奥地利专利AT520110A1 Underframe for a platform truck

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专利摘要:
Undercarriage (1) for a platform truck, comprising two head pieces (2a, 2b) each having a buffer breast (3a, 3b) for arranging at least one buffer (4), a side member (5) connecting the two head pieces (2a, 2b), which defines a loading surface (6) for the arrangement of containers and extends along a central longitudinal axis (7), wherein the longitudinal carrier (5) comprises a preferably integral upper flange (8) and a preferably integral lower flange (9), which are arranged substantially one above the other and at their ends via preferably one-piece longitudinal webs (10a, 10b, 10c, 10d) with each other and with the head pieces (2a, 2b) are connected.
公开号:AT520110A1
申请号:T50453/2017
申请日:2017-05-31
公开日:2019-01-15
发明作者:Graner Gernot；Herincs Philipp
申请人:Rail Cargo Wagon Austria Gmbh；
IPC主号:

专利说明:

Summary
Base frame (1) for a platform carriage, comprising two head pieces (2a, 2b), each with a buffer breast (3a, 3b) for arranging at least one buffer (4), a longitudinal member (5) connecting the two head pieces (2a, 2b), which defines a loading area (6) for arranging containers and extends along a central longitudinal axis (7), the longitudinal member (5) comprising a preferably one-piece upper flange (8) and a preferably one-piece lower flange (9) which are arranged essentially one above the other and are connected at their ends to one another and to the head pieces (2a, 2b) via preferably one-piece longitudinal webs (10a, 10b, 10c, 10d).
Fig. 1/43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
Base frame for a platform trolley
The invention relates to a base frame for a platform trolley.
Underframes for platform wagons, in particular container wagons, are known from the prior art, which comprise a longitudinal beam which is arranged between two head pieces, each with a buffer breast for arranging one or more buffers. The longitudinal member defines a loading area for the arrangement of containers and extends along a central longitudinal axis between the two head pieces.
For example, EP 2 837 542 A1 shows such a known base frame for a container carrier wagon, which is composed of a large number of individual support elements consisting of steel profiles. This known underframe comprises two outer longitudinal members, which run parallel to one another on the outside of the underframe and are connected to one another at the head pieces via transverse buffer supports. An unloading opening is formed between the outer side members. In other known bases, the two outer side members are reinforced by transverse struts. The outer side members are usually formed from welded I-members or box sections.
Such bases are complex and complex to manufacture due to the large number of longitudinal welds. In addition, the strength of the base material used cannot be exploited, since the strength is reduced by the weld seams. In addition, no high-strength steels have been used as a material.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The object of the present invention is therefore, inter alia, to provide a base frame for a platform trolley which is simple to manufacture, has as few individual elements as possible and yet ensures greater strength. In particular, a strength of category FI instead of FII according to EN 12663-2 should be guaranteed. Weld seams should be avoided if possible, and an optimal flow of force should be made possible with as few connecting elements as possible. The weight of the base should be reduced if possible.
These and other tasks are solved according to the invention by a base frame according to claim 1.
According to the invention, the longitudinal member comprises an upper chord and a lower chord, which are arranged essentially one above the other and are connected at their ends to one another and to the head pieces via longitudinal webs.
In order to reduce the number of elements of the underframe, it can be provided that the upper chord is in one piece. It can also be provided that the lower flange is also in one piece.
It is particularly advantageous if the longitudinal webs arranged on the head pieces are each in one piece. This significantly reduces the number of elements required, so that in the ideal case, in addition to the top and bottom chords, only two longitudinal webs are required for connection to a head piece.
The smaller number of elements and the reduction in the number of welds required result in significantly faster and less error-prone production. The strength of the base material used can be better exploited, since there is no need to devalue the strength from weld notch cases. When using high-strength structural steel, this effect also increases compared to the use of conventional structural steel.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The invention can be particularly distinguished when using high-strength steels from voestalpine, in particular the alform® material family, with a minimum yield strength of over 550 MPa to 700 MPa, in particular in the upper chord, in the lower chord and in the entire head piece.
In addition, when using high-strength steel in combination with the construction in question, weight can be reduced by up to 25% compared to conventional underframes, which results in a higher possible payload of the car.
According to the invention, it can be provided that the width of the longitudinal member transverse to the central longitudinal axis of the longitudinal member is less than the width of the head pieces transverse to the central longitudinal axis. In particular, it can be provided that the width of the longitudinal member transversely to the central longitudinal axis is approximately 20% to approximately 70%, preferably approximately 40%, of the width of the head piece transversely to the central longitudinal axis. This results in further material savings with the same strength.
According to the invention it can be provided that the upper chord and the lower chord are essentially identical. This enables cost-effective and efficient production of the components.
According to the invention it can be provided that the upper chord and the lower chord are arranged one above the other at a distance which essentially corresponds to the width of the side member transversely to the central longitudinal axis. If necessary, the cross-section of the longitudinal beam can essentially have the shape of a box-shaped, in particular square, hollow profile. This ensures a particularly high strength of the side member.
According to the invention it can be provided that the upper chord and the lower chord are connected at certain points via angle braces. At least four angle struts can preferably be provided, two angle struts preferably being arranged on each side of the side member.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The angle struts can be arranged approximately in a range of 30% to 70% of the length of the longitudinal beam and preferably symmetrically along the central longitudinal axis in order to achieve a particularly good distribution of the load. The angle struts can in particular be K-shaped, two ends being arranged on the upper flange and two ends on the lower flange. This ensures a particularly good introduction of force.
According to the invention, it can be provided that each of the two head pieces is connected to the upper chord and the lower chord via two separate longitudinal webs, the longitudinal webs running essentially parallel to one another and being arranged essentially normal to the loading area. It is thereby achieved that the forces introduced into the head piece, in particular tensile forces, are efficiently transmitted into the side member. The longitudinal webs are preferably in one piece.
According to the invention, it can be provided that the longitudinal webs are essentially Y-shaped, each with three longitudinal web ends, a first longitudinal web end being connected to the upper flange, a second longitudinal web end to the lower flange and a third longitudinal web end to the head piece. This special shape of the longitudinal webs eliminates the need for additional weld seams, since the shape of the longitudinal webs is already adapted to the special design of the upper and lower chord. In order not to impair the high strength and robustness of the longitudinal webs, they run as a direct extension of the longitudinal beam into the head pieces and are welded to them. According to the invention, it can also be provided to increase the stability that the first longitudinal web end is connected to the second longitudinal web end via a material web.
According to the invention it can be provided that the longitudinal webs are slightly curved and widen somewhat in the direction from the longitudinal member to the head pieces. For this purpose, it can in particular be provided that the longitudinal webs are curved at an angle of approximately 5 ° from the third longitudinal web end in the direction of the first and second longitudinal web ends.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
According to the invention it can be provided that the upper chord and preferably also the lower chord are each formed by an integral profile part. These profile parts can preferably be essentially flat.
According to the invention, it can be provided that the upper chord and preferably also the lower chord are formed by a plurality of, preferably four, material reinforcements, which run parallel to one another along the central longitudinal axis and are connected by trough-shaped depressions, in particular beads, the spacing of which is preferably about 30% to 70%, particularly is preferably about 50% of its extent transverse to the central longitudinal axis.
According to the invention, it can also be provided that the upper belt preferably has on its underside two stiffening ribs which run parallel to one another along the central longitudinal axis and extend downward normal to the loading area. This ensures a particularly high level of strength. The expansion of the stiffening ribs normal to the loading area downwards can be approximately 10% to 20% of the width of the loading area. The stiffening ribs can preferably be arranged evenly distributed on the underside of the upper chord.
According to the invention, it can be provided that the head pieces and the longitudinal beam are designed essentially symmetrically to the central longitudinal axis of the longitudinal beam.
According to the invention, it can be provided that the head pieces have at least three material cutouts separated by material webs, each of which extends from the area of the buffer face in the direction of the side member and tapers in this direction. The material cutouts allow a reduction in the required material and thus a significant weight saving.
According to the invention, it can be provided that the head pieces taper from the area of the buffer breast towards the side member to form a tapered area. At least two material cutouts can be provided in the area of the tapered area, which also taper in this direction and are preferably essentially triangular.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The tapering of the head pieces ensures a seamless transition from the narrow side member to the standard width head pieces. The material cutouts in turn allow weight to be reduced while maintaining strength.
According to the invention, it can be provided that the head pieces taper from the area of the buffer breast in the direction of the longitudinal member in the plane defined by the loading area to 20% to 70%, preferably approximately 40%, of their extent transversely to the central longitudinal axis. This corresponds to the width of the side member, so that a direct transition from the head piece to the side member is achieved.
According to the invention, it can be provided that the head pieces each have an un weakened area for the arrangement of rotary pans, each of which preferably extends across the entire width of the head pieces transversely to the central longitudinal axis, and in which no material cutouts are provided. The head pieces taper in their extension transversely to the central longitudinal axis from the area of the buffer face towards the side member, preferably only from the end of the un weakened area, so that the full strength of the material is retained in the un weakened area.
According to the invention, it can be provided that the non-weakened areas each extend essentially along the central longitudinal axis over 10% to 20%, preferably about 15%, of the length of the head pieces. This provides sufficient scope for attaching the rotating pans in the un weakened area.
According to the invention, it can be provided that the non-weakened areas along the central longitudinal axis are provided essentially centrally in relation to the length of the head pieces. The rotary pans can thus be arranged centrally with respect to the length of the head piece.
However, it can also be provided according to the invention to arrange the un weakened areas offset by approximately 2% to 10% of the length of the head pieces in the direction of the longitudinal member.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
According to the invention, at least one transverse boom with two beams can be provided on the longitudinal beam, the beams each having container pins and extending essentially transversely to the central longitudinal axis. These container pins are used to determine the position of containers and / or superstructures on the side member.
According to the invention, it can be provided that the carriers are arranged on the upper flange and are supported on the lower flange via transverse struts. This enables a particularly good load distribution of the weight of the containers and / or superstructures to be achieved. The cross struts can be substantially V-shaped.
According to the invention it can be provided that a one-piece, shaped support profile is arranged on the sides of the head pieces for stiffening, which serves to optimally guide the buffer forces from the buffer face into the main cross member.
Furthermore, it can be provided according to the invention that a one-piece cover plate is arranged on the top of the head pieces, which serves to optimally guide the buffer forces from the buffer breast into the side member.
The invention further relates to a platform trolley with an underframe according to the invention.
Further features according to the invention result from the claims, the figures and the description. The invention is explained in more detail below with reference to figures of two, non-limiting exemplary embodiments. Show it
Figure 1 is a schematic three-dimensional representation of an embodiment of a platform truck with an underframe according to the invention.
2a-2d views of the underframe according to the invention from above and from the side and as a sectional view;
3a-3c views of the underframe according to the invention from the front, in a first sectional view and in a second sectional view;
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
4a-4b views of a longitudinal web of the underframe according to the invention from the side and from above;
FIG. 5 shows a schematic three-dimensional representation of a further exemplary embodiment of a platform carriage with an underframe according to the invention;
6a-6f views of the underframe according to the invention from above and from the side and as a sectional illustration;
7a-7b views of a further embodiment of a longitudinal web according to the invention from the side and from above.
1 shows a schematic three-dimensional representation of an embodiment of a platform carriage according to the invention. The platform carriage comprises a base frame 1 with two head pieces 2a, 2b, each with a buffer breast 3a, 3b. Two buffers 4 are arranged on each buffer breast 3a, 3b. The two head pieces 2a, 2b are connected by a longitudinal beam 5, which defines a loading area 6 for supporting containers and / or superstructures. The longitudinal beam 5 extends along a central longitudinal axis 7 and has beams 19a, 19b for positioning the containers and / or superstructures. A shaped carrier profile 24a, 24b is arranged on the sides of the head pieces 2a, 2b.
The longitudinal beam 5 comprises a one-piece upper chord 8 and a one-piece lower chord 9, which are arranged one above the other and are connected at their ends via the longitudinal webs 10a, 10b to one another and to the head pieces 2a, 2b. In addition, the upper flange 8 and the lower flange 9 are connected to one another via angle braces 22a, 22b. Also shown are the two rotary pans 17a, 17b, which are each arranged on the underside of the head pieces 2a, 2b.
The width of the longitudinal beam 5 transverse to the central longitudinal axis 7 is less than the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7. The upper flange 8 and the lower flange 9 form a substantially box-shaped hollow body and those which act on the longitudinal beam 5 via the beams 19a, 19b Forces are efficiently dissipated to the head pieces 2a, 2b via the longitudinal webs 10a, 10b.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
It can also be seen that the head pieces 2a, 2b have numerous recesses to reduce weight. It can also be seen that the upper chord 8 and the lower chord 9 have four material stiffeners 12a, 12b, 12c, 12d running parallel to one another along the central longitudinal axis 7, between which beads are arranged. The spacing of the material stiffeners 12a, 12b, 12c, 12d is approximately 50% of their extent transverse to the central longitudinal axis 7.
2a shows a schematic illustration of an embodiment of a platform carriage according to the invention from below.
The platform carriage comprises a base frame 1 with two head pieces 2a, 2b, each with a buffer breast 3a, 3b for arranging buffers 4. A longitudinal member 5 with a central longitudinal axis 7 extends between the two head pieces 2a, 2b. On the sides of the head pieces 2a, 2b a shaped carrier profile 24a, 24b is arranged in each case.
The longitudinal beam 5 comprises an upper flange 8 and a lower flange 9; only the lower flange 9 is visible in the view from below. The upper flange 8 and the lower flange 9 are connected at their ends to one another and to the head pieces 2a, 2b via longitudinal webs 10a, 10b, 10c, 10d. The width of the longitudinal member 5 transverse to the central longitudinal axis 7 is less than the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7, and in the present exemplary embodiment is approximately 40% of the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7.
Rotary pans 17a, 17b are arranged on the underside of the head pieces 2a, 2b. These are located in an un weakened area 16a, 16b of the two head pieces 2a, 2b. Each of the two head pieces 2a, 2b is connected to the upper chord 8 and the lower chord 9 via two separate longitudinal webs 10a, 10b and 10c, 10d, the longitudinal webs 10a, 10b, 10c, 10d running essentially parallel to one another and essentially normal to Loading area 6, not shown, are arranged. The longitudinal webs 10a, 10b, 10c, 10d run essentially parallel or only slightly curved with respect to the central longitudinal axis 7.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The lower flange 9 is formed by four material stiffeners 12a, 12b, 12c, 12d, which run parallel to one another along the central longitudinal axis 7 and are connected to one another at their ends. The spacing of the material stiffeners 12a, 12b, 12c, 12d is approximately 50% of their extent transversely to the central longitudinal axis 7. Both the head pieces 2a, 2b and the longitudinal member 5 are essentially symmetrical to the central longitudinal axis 7.
The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5. In the plane defined by the loading area 6, not shown, the taper is approximately 40% of its extent transversely to the central longitudinal axis 7, in other words, the extent of the Head pieces 2a, 2b in the area of the transition to the longitudinal beam 5 is only 40% of their extent in the area of the buffer face 3a, 3b. However, the tapering only begins after the un weakened area 16a, 16b. The head pieces 2a, 2b thus taper from the area of the buffer breast 3a, 3b towards the side member 5 only from the un weakened area 16a, 16b, so that the full width of the head pieces 2a, 2b is available for the rotary pans 17a, 17b.
Three cross arms 18 are provided on the longitudinal beam 5 on both sides. These are used to hold containers and / or superstructures and extend essentially transversely to the central longitudinal axis 7. In further, not shown embodiments of the invention, more or fewer cross arms can also be provided.
The crossbeams 18 are arranged on the upper chord 8 and are supported on the lower chord 9 via transverse struts 21a, 21b.
FIG. 2b shows a side view of the underframe 1 from FIG. 2a. It can be seen in this view that the longitudinal member 5 defines a loading area 6 for the arrangement of containers and / or superstructures. It can also be seen that the longitudinal beam 5 comprises an upper chord 8 and a lower chord 9, which are arranged one above the other, and are connected at their ends via longitudinal webs 10a, 10b to one another and to the head pieces 2a, 2b.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The top flange 8 and the bottom flange 9 are essentially identical. The upper chord 8 and the lower chord 9 are arranged one above the other at a distance which essentially corresponds to the width of the side member 5 transversely to the central longitudinal axis 7, so that the side member 5 has the shape of an essentially square hollow profile. The upper chord 8 and the lower chord 9 are connected to one another via the K-shaped angle struts 22a, 22b. The angle struts 22a, 22b, 22c, 22d are designed K-shaped in such a way that two of their ends are each connected to the upper chord 8 and the lower chord 9.
The longitudinal webs 10a, 10b, 10c, 10d are Y-shaped, each with three longitudinal web ends 11a, 11b, 11c. One longitudinal web end 11a is connected to the upper chord 8, a second longitudinal web end 11b to the lower chord 9 and a third longitudinal web end 11c to the head piece 2a, 2b. In a non-weakened area 16a, 16b of the head piece 2a, 2b there is a rotating pan 17a, 17b on the underside. Furthermore, the transverse booms 18 can be seen, which are connected both to the upper chord 8 and to the lower chord 9 and have 6 container pins 20a, 20b on their upper side or in the area of the loading area for receiving containers and / or superstructures.
2c shows a view of the underframe 1 according to the invention from above. The underframe 1 comprises two head pieces 2a, 2b, each with a buffer breast 3a, 3b and buffers 4 arranged thereon. Between the head pieces 2a, 2b, a longitudinal beam 5 extends symmetrically along a central longitudinal axis 7. The longitudinal beam 5 forms a loading surface 6 for supporting containers and / or superstructures, the loading area 6 being formed by the surface of the upper belt 8.
The course of the longitudinal webs 10a, 10b, 10c, 10d on the head pieces 2a, 2b is not visible in this view, since in this view they are covered by a cover plate 25a, 25b, but their position has been indicated schematically.
The head pieces 2a, 2b and the longitudinal beam 5 are designed essentially symmetrically to the central longitudinal axis 7.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The head pieces 2a, 2b comprise a plurality of material cutouts 13a, 13b, 13c which are separated from one another by material webs and which each extend from the region of the buffer breast 3a, 3b in the direction of the longitudinal member 5 and taper in this direction.
The head pieces 2a, 2b themselves also taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5. In the area of the tapered area 14, at least two further material cutouts 15a, 15b are provided, which also taper in this direction and are essentially triangular . An undiminished area 16a, 16b is located between the material cutouts 15a, 15b and the material cutouts 13a, 13b, 13c.
The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5 to approximately 40% of their extent transversely to the central longitudinal axis 7.
The non-weakened area 16a, 16b extends transversely to the central longitudinal axis 7. The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the side member 5 only from the non-weakened area 16a, 16b. It is provided in this exemplary embodiment that the non-weakened regions 16a, 16b each extend along the central longitudinal axis 7 essentially over approximately 15% of the length of the head pieces 2a, 2b and along the central longitudinal axis 7 with respect to the length of the head pieces 2a, 2b are provided offset in the direction of the longitudinal beam 5.
Also shown in this schematic representation are the transverse arms 18 with the container pins 20a, 20b arranged thereon. For the sake of clarity, 18 container journals 20a, 20b are only shown for two cross arms.
The container pins 20a, 20b serve to hold containers and / or superstructures. The crossbeams 18 comprise beams 19a, 19b, which are arranged on the upper chord 8 and extend essentially transversely to the central longitudinal axis 7. In addition, cross struts 21a, 21b are provided which support the carrier 19a, 19b on the lower flange 9.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
FIG. 2d shows a further schematic view of the underframe according to the invention along the section A-A indicated in FIG. 2c. The design of the longitudinal beam 5 by the upper flange 8 and lower flange 9, which run parallel to one another and are connected to one another and to the head pieces 2a, 2b by the angle struts 22c, 22d and the longitudinal webs 10b, 10d, is again evident. It can be seen in particular that the longitudinal webs 10b, 10d are essentially Y-shaped and have three longitudinal web ends 11a, 11b, 11c. The first longitudinal web end 11a is connected to the upper chord 8, the second longitudinal web end 11b to the lower chord 9 and the third longitudinal web end 11c to the buffer breast 3a, 3b.
Furthermore, the longitudinal web ends 11a, 11b of the longitudinal webs 10a, 10b, 10c, 10d have stabilizing struts. Finally, material cutouts are also provided in the longitudinal webs 10a, 10b, 10c, 10d in order to reduce the weight of these elements. The rotary pans 17a, 17b are in turn arranged in the non-weakened area 16a, 16b of the head pieces 2a, 2b.
3a shows a schematic view of the underframe 1 according to the invention from the side, the buffers 4 and the buffer breast 3a being visible. Furthermore, the cross struts 21 a, 21 b for supporting the cross boom 18 are visible. Finally, it can be seen in this illustration that the longitudinal webs 10a, 10b run essentially parallel to the central longitudinal axis 7 of the longitudinal beam 5. A lower part 23 is provided on the underside of the head piece 2a. The container pins 20a, 20b can also be seen in this illustration.
Fig. 3b shows the section B-B indicated in Fig. 2b in a schematic representation. The cut runs across the head piece 2a and the longitudinal webs 10a, 10b. Again, the cross struts 21a, 21b of the crossbeam 18 can be seen.
The lower part 23 can be seen on the underside of the head piece 2a. A shaped carrier profile 24a, 24b is arranged on the sides of the head piece 2a to increase the stability and to optimally introduce the buffer forces into the main cross member.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
3c shows a schematic representation of the section C-C defined in FIG. 2b, which extends in the region of the longitudinal beam 5. It can be seen in this illustration that the upper flange 8 and the lower flange 9 form an essentially square hollow profile. The loading area 6, which is defined by the upper side of the upper chord 8, and the cross boom 18 with the cross struts 21 a, 21 b are indicated. In this view, the lower part 23 arranged in the area of the head piece 2b can be seen. This lower part 23 also has material cutouts for reducing weight. The distance between the upper chord 8 and the lower chord 9 essentially corresponds to the width of the longitudinal beam 5 transversely to the central longitudinal axis 7. The reinforcements 12a, 12b, 12c, 12d of the upper chord 8 and the lower chord 9 can also be seen in this illustration.
4a-4b show views of a longitudinal web 10a of an underframe according to the invention from the side and from above. It can be seen that the longitudinal web 10aY is designed in each case with three longitudinal web ends 11a, 11b, 11c. As shown in the view from above according to FIG. 4b, the longitudinal web 10a is slightly curved in order to expand somewhat in the direction from the longitudinal member to the head pieces. For this purpose, it is provided that the longitudinal web 10a is curved at an angle of approximately 5 ° from the third longitudinal web end 11c in the direction of the first longitudinal web end 11a and the second longitudinal saw end 11b.
FIG. 5 shows a schematic three-dimensional representation of a further embodiment of a platform carriage with an underframe 1 according to the invention. This differs in particular from the embodiment of the upper web 8 and the lower web 9 and the design of the longitudinal webs 10a, 10b, 10c, 10d from the embodiment according to FIG . 1.
The platform carriage comprises a base frame 1 with two head pieces 2a, 2b, each with a buffer breast 3a, 3b. Two buffers 4 are arranged on each buffer breast 3a, 3b. The two head pieces 2a, 2b are connected by a longitudinal beam 5, which defines a loading area 6 for supporting containers and / or superstructures.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The longitudinal beam 5 extends along a central longitudinal axis 7 and has beams 19a, 19b for positioning the containers and / or superstructures. A shaped carrier profile 24a, 24b is arranged on the sides of the head pieces 2a, 2b.
The longitudinal beam 5 comprises a one-piece upper chord 8 and a one-piece lower chord 9, which are arranged one above the other and are connected at their ends via the longitudinal webs 10a, 10b to one another and to the head pieces 2a, 2b. In addition, the upper flange 8 and the lower flange 9 are connected to one another via angle braces 22a, 22b. Also shown are the two rotary pans 17a, 17b, which are each arranged on the underside of the head pieces 2a, 2b.
The width of the longitudinal beam 5 transverse to the central longitudinal axis 7 is less than the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7. The upper flange 8 and the lower flange 9 form a substantially box-shaped hollow body and those which act on the longitudinal beam 5 via the beams 19a, 19b Forces are efficiently dissipated to the head pieces 2a, 2b via the longitudinal webs 10a, 10b.
It can also be seen that the head pieces 2a, 2b have numerous recesses to reduce weight. In addition, it can be seen that the upper flange 8 and the lower flange 9, in contrast to the exemplary embodiment in FIG. 1, are formed by essentially flat profile parts.
6a shows a schematic illustration of an embodiment of a platform carriage according to the invention from below. The platform carriage comprises a base frame 1 with two head pieces 2a, 2b, each with a buffer breast 3a, 3b for arranging buffers 4. A longitudinal member 5 with a central longitudinal axis 7 extends between the two head pieces 2a, 2b. On the sides of the head pieces 2a, 2b a shaped carrier profile 24a, 24b is arranged in each case.
The longitudinal beam 5 comprises an upper flange 8 and a lower flange 9; only the lower flange 9 is visible in the view from below. The upper flange 8 and the lower flange 9 are connected at their ends to one another and to the head pieces 2a, 2b via longitudinal webs 10a, 10b, 10c, 10d.
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55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The width of the longitudinal member 5 transverse to the central longitudinal axis 7 is less than the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7, and in the present exemplary embodiment is approximately 40% of the width of the head pieces 2a, 2b transverse to the central longitudinal axis 7.
Rotary pans 17a, 17b are arranged on the underside of the head pieces 2a, 2b. These are located in an un weakened area 16a, 16b of the two head pieces 2a, 2b. Each of the two head pieces 2a, 2b is connected to the upper chord 8 and the lower chord 9 via two separate longitudinal webs 10a, 10b and 10c, 10d, the longitudinal webs 10a, 10b, 10c, 10d running essentially parallel to one another and essentially normal to Loading area 6, not shown, are arranged. The longitudinal webs 10a, 10b, 10c, 10d are slightly curved with respect to the central longitudinal axis 7. Both the head pieces 2a, 2b and the longitudinal beam 5 are essentially symmetrical with respect to the central longitudinal axis 7.
The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5. In the plane defined by the loading area 6, not shown, the taper is approximately 40% of its extent transversely to the central longitudinal axis 7, in other words, the extent of the Head pieces 2a, 2b in the area of the transition to the longitudinal beam 5 is only 40% of their extent in the area of the buffer face 3a, 3b. However, the tapering only begins after the un weakened area 16a, 16b.
The head pieces 2a, 2b thus taper from the area of the buffer breast 3a, 3b towards the side member 5 only from the un weakened area 16a, 16b, so that the full width of the head pieces 2a, 2b is available for the rotary pans 17a, 17b. Three cross arms 18 are provided on the longitudinal beam 5 on both sides. These are used to hold containers and / or superstructures and extend essentially transversely to the central longitudinal axis 7. In further, not shown embodiments of the invention, more or fewer cross arms can also be provided.
/ 43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The crossbeams 18 are arranged on the upper chord 8 and are supported on the lower chord 9 via transverse struts 21a, 21b.
6b shows a view of the underframe 1 according to the invention from above. The underframe 1 comprises two head pieces 2a, 2b, each with a buffer breast 3a, 3b and buffers 4 arranged thereon. Between the head pieces 2a, 2b, a longitudinal beam 5 extends symmetrically along a central longitudinal axis 7. The longitudinal beam 5 forms a loading surface 6 for supporting containers and / or superstructures, the loading area 6 being formed by the surface of the upper belt 8.
The head pieces 2a, 2b and the longitudinal beam 5 are designed essentially symmetrically to the central longitudinal axis 7. The head pieces 2a, 2b comprise a plurality of material cutouts 13a, 13b, 13c which are separated from one another by material webs and which each extend from the region of the buffer breast 3a, 3b in the direction of the longitudinal member 5 and taper in this direction. The head pieces 2a, 2b themselves also taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5. In the area of the tapered area 14, at least two further material cutouts 15a, 15b are provided, which also taper in this direction and are essentially triangular . An undiminished area 16a, 16b is located between the material cutouts 15a, 15b and the material cutouts 13a, 13b, 13c.
The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the longitudinal beam 5 to approximately 40% of their extent transversely to the central longitudinal axis 7.
The non-weakened area 16a, 16b extends transversely to the central longitudinal axis 7. The head pieces 2a, 2b taper from the area of the buffer breast 3a, 3b in the direction of the side member 5 only from the non-weakened area 16a, 16b. It is provided in this exemplary embodiment that the non-weakened regions 16a, 16b each extend along the central longitudinal axis 7 essentially over approximately 15% of the length of the head pieces 2a, 2b and along the central longitudinal axis 7 with respect to the length of the head pieces 2a, 2b are provided offset in the direction of the longitudinal beam 5.
/ 43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
Also shown in this schematic representation are the transverse arms 18 with the container pins 20a, 20b arranged thereon.
The container pins 20a, 20b serve to hold containers and / or superstructures. The crossbeams 18 comprise beams 19a, 19b, which are arranged on the upper chord 8 and extend essentially transversely to the central longitudinal axis 7. In addition, cross struts 21a, 21b are provided which support the carrier 19a, 19b on the lower flange 9.
6c shows a view of the underframe 1 from the side. It can be seen in this view that the longitudinal member 5 defines a loading area 6 for the arrangement of containers and / or superstructures. It can also be seen that the longitudinal beam 5 comprises an upper chord 8 and a lower chord 9, which are arranged one above the other, and are connected at their ends via longitudinal webs 10a, 10b to one another and to the head pieces 2a, 2b.
The top flange 8 and the bottom flange 9 are essentially identical. The upper chord 8 and the lower chord 9 are arranged one above the other at a distance which essentially corresponds to the width of the side member 5 transversely to the central longitudinal axis 7, so that the side member 5 has the shape of an essentially square hollow profile. The upper chord 8 and the lower chord 9 are connected to one another via the angle braces 22a, 22b, 22c, 22d.
The longitudinal webs 10a, 10b, 10c, 10d are Y-shaped, each with three longitudinal web ends 11a, 11b, 11c. One longitudinal web end 11a is connected to the upper chord 8, a second longitudinal web end 11b to the lower chord 9 and a third longitudinal web end 11c to the head piece 2a, 2b. The longitudinal web ends are connected to each other via struts.
In a non-weakened area 16a, 16b of the head piece 2a, 2b there is a rotating pan 17a, 17b on the underside.
/ 43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
Furthermore, the transverse booms 18 can be seen, which are connected both to the upper chord 8 and to the lower chord 9 and have 6 container pins 20a, 20b on their upper side or in the area of the loading area for receiving containers and / or superstructures.
6d shows a schematic view of the underframe 1 according to the invention from the side, the buffers 4 and the buffer breast 3a being visible. The cross struts 21a, 21b for supporting the crossbeams 18 are also visible. Finally, it can be seen in this illustration that the longitudinal webs 10a, 10b run essentially parallel to the central longitudinal axis 7 of the longitudinal beam 5. A lower part 23 is provided on the underside of the head piece 2a. The container pins 20a, 20b can also be seen in this illustration.
Fig. 6e shows the section B-B indicated in Fig. 6c in a schematic representation. The cut runs across the head piece 2a and the longitudinal webs 10a, 10b. Again, the cross struts 21a, 21b of the crossbeam 18 can be seen.
The lower part 23 can be seen on the underside of the head piece 2a. A shaped carrier profile 24a, 24b is arranged on the sides of the head piece 2a to increase the stability and to optimally introduce the buffer forces into the main cross member.
FIG. 6f shows a schematic representation of the section C-C defined in FIG. 6c, which runs in the region of the longitudinal beam 5. It can be seen in this illustration that the upper flange 8 and the lower flange 9 form an essentially square hollow profile. The loading area 6, which is defined by the upper side of the upper chord 8, and the crossbeam 18 with the cross struts 21a, 21b are indicated.
In this view, the lower part 23 arranged in the area of the head piece 2b can be seen. This lower part 23 also has material cutouts for reducing weight.
The distance between the upper chord 8 and the lower chord 9 essentially corresponds to the width of the longitudinal beam 5 transversely to the central longitudinal axis 7. The stiffening ribs 26a, 26b of the upper chord 8 can also be seen in this illustration.
/ 43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
The two stiffening ribs 26a, 26b are arranged on the underside of the upper chord 8 and run parallel to one another along the central longitudinal axis 7 and extend downwards in a normal manner to the loading area 6.
7a-7b show views of a longitudinal web 10a of an underframe according to the invention from the side and from above. It can be seen that the longitudinal web 10a is Y-shaped with three longitudinal web ends 11a, 11b, 11c. To increase the stability, the first longitudinal web end 11a is connected to the second longitudinal web end 11b via material struts.
As shown in the view from above according to FIG. 7b, the longitudinal web 10a is slightly curved in order to widen somewhat in the direction from the longitudinal member to the head pieces. For this purpose, it is provided that the longitudinal web 10a is curved at an angle of approximately 5 ° from the third longitudinal web end 11c in the direction of the first longitudinal web end 11a and the second longitudinal saw end 11b.
The subject base frame resulted from a cooperation between Rail Cargo Wagon - Austria GmbH and the voestalpine Group, in particular the voestalpine Steel Division and the voestalpine Metal Forming Division.
/ 43
21 55956 / AG / PSRail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
Reference list
1 Underframe 2a, 2b Headpiece 3a, 3b Puffer breast 4th buffer 5 Side member 6 Loading area 7 Central longitudinal axis 8th Top chord 9 Lower chord 10a, 10b, 10c, 10d Longitudinal web 11a, 11b, 11c Longitudinal bar end 12a, 12b, 12c, 12d Material stiffening 13a, 13b, 13c Material recess 14 Tapered area 15a, 15b Material cutouts 16a, 16b Unweakened area 17a, 17b Rotary pan 18th Cross jib 19a, 19b carrier 20a, 20b Container spigot 21a, 21b Cross strut 22a, 22b, 22c, 22d Angle brace 23 Lower part 24a, 24b Beam profile 25a, 25b Cover plate 26a, 26b Stiffening rib
/ 43
55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)

权利要求:
Claims (28)
[1]
Claims
1. Base (1) for a platform trolley, comprising
a. two head pieces (2a, 2b), each with a buffer breast (3a, 3b) for arranging at least one buffer (4),
b. a longitudinal beam (5) connecting the two head pieces (2a, 2b), which defines a loading area (6) for arranging containers and / or superstructures and extends along a central longitudinal axis (7), characterized in that the longitudinal beam (5) comprises a preferably one-piece upper chord (8) and a preferably one-piece lower chord (9) which are arranged essentially one above the other and at their ends via preferably one-piece longitudinal webs (10a, 10b, 10c, 10d) with each other and with the head pieces (2a, 2b) are connected.
[2]
2. Base (1) according to claim 1, characterized in that the width of the longitudinal member (5) transverse to the central longitudinal axis (7) is smaller than the width of the head pieces (2a, 2b) transverse to the central longitudinal axis (7).
[3]
3. Base (1) according to claim 2, characterized in that the width of the longitudinal member (5) transversely to the central longitudinal axis (7) about 20% to about 70%, preferably about 40%, the width of the head piece (2a, 2b) transversely to the central longitudinal axis (7).
[4]
4. Base frame (1) according to one of claims 1 to 3, characterized in that the upper flange (8) and the lower flange (9) are substantially identical.
[5]
5. Base frame (1) according to one of claims 1 to 4, characterized in that the upper flange (8) and the lower flange (9) are arranged one above the other at a distance which is essentially the width of the longitudinal member (5) transverse to the central longitudinal axis ( 7) corresponds.
23/43
23 55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
[6]
6. Base frame (1) according to one of claims 1 to 5, characterized in that the upper flange (8) and the lower flange (9) are connected at certain points via angle struts (22a, 22b, 22c, 22d).
[7]
7. Base frame (1) according to one of claims 1 to 6, characterized in that each of the two head pieces (2a, 2b) via two separate longitudinal webs (10a, 10b, 10c, 10d) with the upper flange (8) and the lower flange ( 9) is connected, the longitudinal webs (10a, 10b, 10c, 10d) running essentially parallel to one another and being arranged essentially normal to the loading area (6).
[8]
8. Underframe (1) according to one of claims 1 to 7, characterized in that the longitudinal webs (10a, 10b, 10c, 10d) are essentially Y-shaped with three longitudinal web ends (11a, 11b, 11c), respectively a first longitudinal web end (11a) is connected to the top flange (8), a second longitudinal web end (11b) is connected to the bottom flange (9) and a third longitudinal web end (11c) is connected to the head piece (2a, 2b).
[9]
9. Base frame (1) according to claim 8, characterized in that the longitudinal webs (10a, 10b, 10c, 10d) from the third longitudinal web end (11c) towards the first longitudinal web end (11a) and second longitudinal web end (11b) at an angle of approximately 5 ° are curved.
[10]
10. Base frame (1) according to one of claims 1 to 9, characterized in that the upper flange (8) and preferably also the lower flange (9) are each formed by an integral and preferably substantially flat profile part.
24/43
24 55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
[11]
11. Base frame (1) according to one of claims 1 to 10, characterized in that the upper flange (8) and preferably also the lower flange (9) by several, preferably four, along the central longitudinal axis (7) parallel to each other, through trough-shaped depressions , in particular beads, connected material stiffeners (12a, 12b, 12c, 12d) is formed, the distance between them is preferably about 30% to 70%, particularly preferably about 50% of their extent transversely to the central longitudinal axis (7).
[12]
12. Base frame according to one of claims 1 to 11, characterized in that the upper flange (8) on its underside preferably two stiffening ribs (26a, 26b) which run parallel to one another along the central longitudinal axis (7) and extend downward normal to the loading surface (6) ) having.
[13]
13. Base (1) according to one of claims 1 to 12, characterized in that the head pieces (2a, 2b) and the longitudinal beam (5) are designed substantially symmetrically to the central longitudinal axis (7).
[14]
14. Underframe (1) according to one of claims 1 to 13, characterized in that the head pieces (2a, 2b) have at least three material cutouts (13a, 13b, 13c) separated by material webs, each of which extends from the area of the buffer breast (3a , 3b) extend in the direction of the longitudinal member (5) and taper in this direction.
[15]
15. Base (1) according to one of claims 1 to 14, characterized in that the head pieces (2a, 2b) from the area of the buffer breast (3a, 3b) towards the side member (5) to form a tapered area (14) rejuvenate.
[16]
16. Base (1) according to claim 15, characterized in that in the area of the tapered area (14) at least two material recesses (15a, 15b) are provided, which also taper in this direction and are preferably substantially triangular.
25/43
25 55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
[17]
17. Base (1) according to claim 14 or 15, characterized in that the head pieces (2a, 2b) from the area of the buffer breast (3a, 3b) towards the side member (5) in the plane defined by the loading area (6) taper to 20% to 70%, preferably about 40% of their extent transversely to the central longitudinal axis (7).
[18]
18. Base (1) according to any one of claims 1 to 17, characterized in that the head pieces (2a, 2b) each have an un weakened area (16a, 16b) for the arrangement of rotary pans (17a, 17b), each of which is transverse to Central longitudinal axis (7) extends, and in which no material recesses are provided, the head pieces (2a, 2b) extending from the area of the buffer breast (3a, 3b) towards the side member (5) only from the un weakened area (16a, 16b) in their expansion taper transversely to the central longitudinal axis (7).
[19]
19. Underframe (1) according to claim 18, characterized in that the un weakened areas (16a, 16b) each extend substantially along the central longitudinal axis (7) over 10% to 20%, preferably about 15%, of the length of the head pieces (2a, 2b) extend.
[20]
20. Underframe (1) according to claim 18 or 19, characterized in that the non-weakened areas (16a, 16b) along the central longitudinal axis (7) are provided substantially centrally in relation to the length of the head pieces (2a, 2b).
[21]
21. Underframe (1) according to one of claims 18 to 20, characterized in that the non-weakened areas (16a, 16b) offset by approximately 2% to 10% of the length of the head pieces (2a, 2b) in the direction of the longitudinal member (5) are arranged.
[22]
22. Base (1) according to one of claims 1 to 21, characterized in that at least one cross-arm (18) with two carriers (21a, 21b) is provided on the longitudinal beam (5), the carriers (21a, 21b) each having container pins (20a, 20b) for receiving containers and / or superstructures and extend essentially transversely to the central longitudinal axis (7).
26/43
26 55956 / AG / PS
Rail Cargo Wagon - Austria GmbH, Am Hauptbahnhof 2, 1100 Vienna (AT)
[23]
23. Underframe (1) according to claim 22, characterized in that the carriers (19a, 19b) are arranged on the upper flange (8) and are supported on the lower flange (9) via transverse struts (21a, 21b).
[24]
24. Base (1) according to any one of claims 1 to 23, characterized in that a one-piece, deformed support profile (24a, 24b) is arranged on the sides of the head pieces (2a, 2b) for stiffening.
[25]
25. Base (1) according to one of claims 1 to 24, characterized in that a one-piece cover plate (25a, 25b) is arranged on the top of the head pieces (2a, 2b).
[26]
26. platform trolley with a base (1) according to any one of claims 1 to 25.
[27]
27/43
[28]
28/43
24a
10b nb 9 5 iodine
4/10
Fig.ßb
Section C-C
Fig.ßc
21b
31/43
5/10
Fig.4a
32/43
6/10
24a
33/43
13b 16a ^x 4
34/43
8/10 ^21a (~ 23 21b ioa ml
35/43
() / 10
36/43
Figya
Figyb
37/43

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同族专利:

公开号 | 公开日

PL3630573T3|2021-12-20|

EP3630573A1|2020-04-08|

AT520110B1|2019-08-15|

RU2019143707A3|2021-09-08|

WO2018219955A1|2018-12-06|

HUE055723T2|2021-12-28|

EP3630573B1|2021-06-23|

RU2759684C2|2021-11-16|

SI3630573T1|2021-11-30|

CN111032474A|2020-04-17|

RU2019143707A|2021-06-30|

引用文献:

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US1078310A|1912-08-14|1913-11-11|American Car & Foundry Co|Underframe.|

US1097800A|1912-09-12|1914-05-26|Bettendorf Co|Underframe for cars.|

DE1530165A1|1965-11-06|1969-09-25|Talbot Waggonfab|Underframe for rail vehicles|

AT394531B|1990-01-19|1992-04-27|Jenbacher Werke Ag|Rail vehicle, in particular double-axle goods wagon|

CN204055786U|2014-07-23|2014-12-31|南车眉山车辆有限公司|A kind of Flat car special for railway container|EP3708453A1|2019-03-15|2020-09-16|Schweizerische Bundesbahnen SBB|Subframe for vehicles and vehicle|DE1233002B|1960-12-08|1967-01-26|Pullman Inc|Freight container carrier frame that can be attached to the loading area of a railway platform car|

DE1919179A1|1969-04-16|1970-10-22|Rheinstahl Siegener Eisenbahnb|Underframe for rail vehicles|

GB2283219B|1993-10-27|1997-03-19|Transtech Ltd Oy|Railway car for transporting trailers|

CN1189426A|1997-01-28|1998-08-05|约翰斯汤美国公司|Gondola rail car|

RU96080U1|2009-08-07|2010-07-20|ОАО "Завод металлоконструкций"|RAILWAY PLATFORM FOR TRANSPORTATION OF LARGE-CONTAINER CONTAINERS|

CN201907519U|2011-01-10|2011-07-27|南车株洲电力机车有限公司|Longitudinal beam for suspension frame of medium-low speed maglev train|

RU108014U1|2011-03-28|2011-09-10|Афст Эдвансд Фрайт Кар Текнолоджи Лимитед|WAGON PLATFORM FRAME|

DE102012102808A1|2012-03-30|2013-10-02|Demag Cranes & Components Gmbh|Crane, in particular overhead crane or gantry crane, with at least one crane girder|

JP5931548B2|2012-04-02|2016-06-08|川崎重工業株式会社|Railway vehicle|

CN104670252A|2013-12-01|2015-06-03|太原轨道交通装备有限责任公司|Low-center-of-gravity container flat car|

CN104057968B|2014-06-25|2017-06-16|中车齐齐哈尔车辆有限公司|A kind of vehicle frame of container flat car|

CN105460037B|2015-12-25|2018-05-25|中车长江车辆有限公司|A kind of flat car car body|

DE202016104134U1|2016-07-27|2016-09-19|Wbn Waggonbau Niesky Gmbh|Undercarriage of a rail vehicle|DE102019105689B3|2019-03-06|2020-06-04|Deutsche Bahn Ag|Underframe of a rail vehicle|

DE102019105686B3|2019-03-06|2020-04-16|Deutsche Bahn Ag|Underframe of a rail vehicle|

DE102020119526A1|2020-07-23|2022-01-27|Deutsche Bahn Aktiengesellschaft|UNDERFRAME OF A RAIL VEHICLE|

法律状态:
2019-11-15| PC| Change of the owner|Owner name: RAIL CARGO AUSTRIA AKTIENGESELLSCHAFT, AT Effective date: 20190920 |

优先权:

申请号 | 申请日 | 专利标题

ATA50453/2017A|AT520110B1|2017-05-31|2017-05-31|Underframe for a platform truck|ATA50453/2017A| AT520110B1|2017-05-31|2017-05-31|Underframe for a platform truck|

EP18728128.2A| EP3630573B1|2017-05-31|2018-05-29|Undercarriage for a platform trolley|

PCT/EP2018/064078| WO2018219955A1|2017-05-31|2018-05-29|Undercarriage for a platform trolley|

PL18728128T| PL3630573T3|2017-05-31|2018-05-29|Undercarriage for a platform trolley|

RU2019143707A| RU2759684C2|2017-05-31|2018-05-29|Frame for the flat car|

CN201880036686.6A| CN111032474A|2017-05-31|2018-05-29|Chassis for flat car|

SI201830404T| SI3630573T1|2017-05-31|2018-05-29|Undercarriage for a platform trolley|

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