专利摘要:
The invention relates to a connection carrier for connecting two longitudinal members of a chassis frame of a rail vehicle, with at least one attachment point for receiving add-on components. In order to damp oscillations that occur and thus prevent the system from swinging up, the connection carrier comprises at least a first carrier element (1) with a first carrier section and a second carrier element (2) with a second carrier section, wherein the carrier elements (1, 2) are non-positively connected to each other by at least two connecting means (5) such that the carrier sections overlap one another at least in sections.
公开号:AT516912A2
申请号:T50120/2015
申请日:2015-02-17
公开日:2016-09-15
发明作者:Jochen Dr Brandstetter;Christian Küter;Gerald Schobegger;Martin Teichmann
申请人:Siemens Ag Österreich;
IPC主号:
专利说明:

description
Connecting support for two longitudinal members of a rail vehicle
Technical area
The invention relates to a connection carrier for connecting two longitudinal members of a chassis frame of a rail vehicle, with at least one attachment point for receiving add-on components.
State of the art
Bogies of rail vehicles usually comprise a chassis frame with two side rails and a cross member connecting them, wheelsets, which are connected via a primary suspension with the side rails, and at least one secondary suspension for connecting a car body. In addition to a number of other add-on components for the function of the chassis or rail vehicles are necessary, for example, elements of the train protection (antennas) or lines or their cable and piping components. In order to attach these add-on components to the chassis frame or to connect them to the side members, connection carriers, also called headrests, are known, which connect the two side members together and have attachment points to accommodate the attachment components. At such attachment points, for example, cable clamps or brackets with the connection carrier, for example via screw connections connected.
The connection carrier are usually rigidly connected to the side rails. As a result, however, the connecting beams act as additional stiffening of the
Chassis frame, resulting in a reduced Verwinde ability of the side members against each other in the operating condition. Rigid connection carrier can therefore adapt much worse during the operation of twisting the track and compensate for this to a lesser extent, resulting in a deterioration of the running characteristics of the chassis.
There are also known connection carrier which are decoupled from the side rails or consist of twisted profiles. As a result, while the Verwinde ability of the side members is restored, but at the same time lowered the natural frequency, so it may come during operation to a swinging of the components. Since this swinging is to be avoided in any case, such connection carrier constructive compromises, which are in any case associated with corresponding disadvantages.
Object of the invention
It is therefore an object of the invention to overcome the disadvantages of the prior art and to propose a connection support for the connection of two side members, which influences the Verwinde ability of the side members as little as possible and at the same time counteracts a swinging of the system.
Presentation of the invention
This object is achieved by a connection carrier having the features of patent claim 1. Advantageous embodiments of the invention are defined in the respective dependent claims.
According to the invention is therefore in a connection carrier for connecting two side members of a chassis frame of a
Railway vehicle with at least one attachment point for receiving attachment components provided that the connection carrier comprises at least a first support member having a first support portion and a second support member having a second support portion, wherein the support elements are non-positively connected by at least two connecting means such that the support sections at least overlap in sections.
The frictional connection of the two support elements can be realized for example by connecting means such as screws or rivets with corresponding holes in the support elements. If the connection carrier in the operating state connected to the side members, it comes in case of load to a vibration excitation of the system.
At the connection points at which the connecting means connect the carrier elements to one another, micro-movements between the carrier elements with one another or between carrier elements and connecting means occur during the oscillation excitation of the system. These micro-movements lead to a damping of the oscillatory overall system and thus counteract a swinging of the entire system. The overlapping carrier sections thereby form a major part of the connecting carrier and thus serve to bridge the distance between the longitudinal carriers. The overlap results in terms of the Verwinde ability particularly favorable properties.
An embodiment variant of the invention provides that the first carrier element and the second carrier element are strip-shaped in the region of the carrier sections, so that the carrier elements extend substantially with a constant cross-section along a longitudinal direction, which longitudinal direction is preferably perpendicular to the longitudinal carriers, and the distance bridge between the longitudinal beams. The carrier elements are basically flat in the region of the carrier sections.
In order to increase the Verwinde ability of the connection carrier, in a further embodiment of the invention, it is provided that the first carrier element and the second carrier element have an open profile in cross-section. As a result, the torsional moment of resistance is reduced, so that the connection carrier allows greater deformations in a torsion of the longitudinal members. The open profile are aligned so that they open in the direction away from the other support member direction, in other words outward.
Preferred embodiments of a connection carrier according to the invention provide that the open profile is an L-profile or a U-profile. Such profiles are easy to produce and therefore represent a cost-effective alternative to conventional cast or welded parts. The support sections are usually formed by a vertical part of the profile; either the vertical part of the L-profile or the vertical cross-section of the U-profile.
On the one hand to increase the Verwinde ability of the connection carrier and on the other hand, to reduce the weight of the connection carrier, provides a further embodiment of the invention, the carrier elements in the overlapping support sections having a plurality of openings. It has proven to be particularly advantageous if the carrier sections form between 70% and 90%, preferably between 80% and 90%, of the length of the carrier elements, so that a large number of openings can be provided.
In a further embodiment variant of the invention, it is provided that the carrier elements have two respectively overlapping attachment sections, wherein the connection means are arranged in the attachment sections. By the
Connection of the two support elements in the
Fixing sections, the support elements can be connected to each other as well as with the side rails, without doing consuming design measures. Preferably, the support elements are connected to each other via at least two connecting means per attachment portion, in order to keep the relative movement of the support elements against each other small and to increase the rigidity of the connection carrier. Thus, the connection carrier, for example, connected to the longitudinal members rigidly, for example. Welded, mounting plates may be connected.
For a simple connection of the connection carrier to the longitudinal members, a further preferred variant of a connection carrier according to the invention provides that the fastening sections are arranged on the ends of the carrier sections pointing in the mounted state in the direction of the longitudinal members. By the arrangement of the fastening portions in those areas of the
Connection carrier, which are closest to the longitudinal members, is as small as possible, for example by fastening elements, to be bridged distance between connection carrier and side members.
In order to further improve the Verwinde ability of the side members against each other by the torsional stiffness is reduced and at the same time the shear stiffness of the connection carrier is increased, provides a further preferred embodiment of the invention that at least one fastening element for connecting the connection carrier with a longitudinal member of the chassis frame provided is. The provision of fasteners also allows flexible connection to different side members and thus a high adaptability of the connection carrier to different bogies.
It is particularly advantageous in terms of construction if the fastening elements have a contact section which is arranged between the fastening sections of the carrier elements and is connected to the carrier elements via the connecting means. By receiving the, preferably flat, contact portion between the two support elements, wherein the connecting means provided for connecting the connecting elements also fix the fastening elements to the support elements, only a few separate components are necessary, which form the connection carrier. Likewise, the reduced number of components and connecting means favors the vibration damping generated by the connecting means. In particular, micro-movements between the contact section, the attachment sections of the carrier elements and the connection means are also possible.
Since the structural design of the fasteners has a direct effect on the strength of the connection carrier, see further preferred embodiments of the invention provide that the fasteners are bracket-like or L-shaped. Due to the simple and convenient such design of the fasteners, on the one hand, the production and assembly is inexpensive and on the other hand, a high shear stiffness in the longitudinal direction of the support elements is achieved.
In order to compensate for different fields of application and acceleration levels, it is provided in a further embodiment variant of a connection carrier according to the invention that the fastening elements each have at least one elastomer element, via which elastomer element the fastening elements can be connected to the respective longitudinal carrier. When using such elastomeric elements, these deformations from the distortion take on and also take over damping function.
To connect attachment components in a simple manner with the connection carrier, according to a further preferred embodiment, the first support member on at least one receiving portion which angled, preferably perpendicular, projects from the first support portion, wherein the at least one attachment point is arranged on the receiving portion. In this case, the receiving portion may be formed, for example, as a horizontally standing part of the L or U-profile.
Characterized in that the receiving portion has at least one attachment point for receiving add-on components, the add-on components, for example via screwed to the attachment points cable clamps can be quickly and easily connected to the connection carrier.
In a further embodiment, it is provided that the second carrier element, in addition to or instead of the receiving portion of the first support member, at least one further receiving portion which angled, preferably perpendicular, projecting from the second support portion, wherein at least one attachment point is arranged on the further receiving portion. The attachment points can be formed, for example, as a console-like projections of the receiving portions, on which the inclusion of the attachment components. Due to the flexible design and arrangement of the attachment points on the receiving portions, such an inventive connecting carrier can be easily adapted to the respective bogie and the male attachment components.
According to a particularly preferred embodiment of the invention, the support elements, preferably also the fastening elements, designed as sheet-metal bent parts. Metallic sheets in this case have particularly favorable mechanical properties, which meet the high load requirements, and allow a connection of the add-on components with relatively small wall thicknesses, so that a weight reduction in comparison to compound carriers according to the prior art is possible.
The production of the elements in a bending process avoids weld seams which generally adversely affect the strength properties, which is due to the notch stresses in the weld root and the changes in the metallic structure due to the heat during welding. It has proven to be particularly advantageous that the sheet-metal bent parts are made of stainless steel, since stainless steel requires no further coating or coating in order to be protected against corrosion. Thus, even places, such as those places where the connecting means are arranged, where a conventional coating or painting is not possible or is abraded or eroded over time, protected against wear and corrosion.
The object stated in the introduction is also achieved by a chassis frame of a rail vehicle with two longitudinal members and a connecting carrier according to the invention connecting the longitudinal members. The chassis frame is a chassis frame of a bogie of a rail vehicle, to which by means of the connecting support mounting components are connected. An embodiment of the invention provides that the connection carrier is connected via the fastening elements with the longitudinal members. If the fastening elements have elastomeric elements, then these elastomeric elements are arranged between the fastening elements and the longitudinal members. Particularly simple and stable, the fasteners can then connect to the side rails when the fasteners have a cantilevered portion which extends in the direction of the respective side members. This projecting portion, which may be formed as part of an L-shaped or console-like profile, allows a particularly flexible connection of the connection carrier at different positions of the longitudinal member, for example, directly to the longitudinal ends or in the defined between the longitudinal members clear width.
According to a further embodiment of the chassis frame, the connection carrier includes a right angle with both side rails. Since the longitudinal members are aligned in a known manner parallel to each other and the connection carrier is substantially rectilinear, a right angle between longitudinal members and
Connecting carriers to the fact that the connection carrier runs parallel to a cross member of the chassis frame and thus leads to a uniform deformation of the longitudinal members with a twisting of the longitudinal ends of the chassis frame against each other.
If the cross section of the first carrier element is open in a longitudinal direction of the chassis frame and the cross section of the second carrier element is opposite to the longitudinal direction of the chassis frame, in other words the carrier elements are aligned in or against the direction of travel, the twisting of the longitudinal ends of the longitudinal carriers is not obstructed.
Since the connection carrier is not necessarily in the, formed by the parallelism of the side members, clear width between the longitudinal members, must be arranged, but can also be arranged from the cross member of the chassis frame from behind the longitudinal ends of the longitudinal beams to the longitudinal beams in the longitudinal direction of the connecting member overlap, is provided in a preferred embodiment of a chassis frame according to the invention that the length of the support elements between 80% and 120%, preferably 90% and 110%, the clear width between the two side rails.
A particularly preferred embodiment of the invention provides that the connection carrier seen from the cross member of the chassis frame from behind a wheel axle of the
Rail vehicle is arranged to provide the required attachment points for the mounting components to be mounted there.
Brief description of the figures
To further explain the invention, reference is made in the following part of the description to the figures, from the further advantageous embodiments, details and further developments of the invention can be found. The figures are to be understood as exemplary and are supposed to set out the character of the invention, but in no way restrict it or even render it conclusively. Show it:
Fig. 1 is an exploded view of a preferred embodiment of a connection carrier according to the invention
Fig. 2 is a first axonometric view of the connection carrier
Fig. 3 is a second axonometric view of the connection carrier
Fig. 4 is a schematic representation of a chassis frame with connection carrier
Fig. 5 is an axonometric view of the with
Chassis frame connected connection carrier
Embodiment of the invention
FIG. 1 clearly shows the individual components from which the connection carrier is constructed: A first carrier element 1 and a second carrier element 2 are substantially strip-shaped and extend primarily along a length direction. Both support elements 1,2 have a U-shaped profile, wherein the profiles in the opposite direction
Open towards the outside, so that the flat portions of the support members 1, 2 are opposite. In the longitudinally end-side sections of the carrier elements 1, 2, which, as described in FIG. 2, are designed as a first 7 and second attachment section 8, a first 9 or second attachment element 10 is arranged in each case.
In this case, the first fastening element 9 has a planar contact section 11 which is arranged between the two carrier elements 1, 2 and is connected to the carrier elements 1, 2 by means of two connecting means 5, which are designed as threaded screws, through-holes and threaded nuts. As a result, the carrier elements 1, 2 are spaced apart from one another and non-positively connected to one another by means of the connecting means 5 via the first fastening element 9. In addition, the first fastening element 9 is L-shaped in the longitudinal direction, so that a projecting portion of the first fastening element 9 points in the same direction in which the second support element 2 is opened. Contact portion 11 and projecting portion 15 include a right angle. At the projecting portion 15, the first fastening element 9 has two elastomer elements 14, via which the connection carrier can be fastened to a longitudinal member of a chassis frame.
Analogously, the second fastening element 10 is formed, so that the two support elements 1,2 are positively connected to each other via the contact portion 11 of the two fastening elements 9,10, each with two connecting means 5. In addition, two further connecting means 5 are arranged in the center of the connecting carrier, which additionally have a spacer sleeve in order to bridge the distance between the carrier elements 1,2. These serve to further stiffen the connection carrier.
If the two fastening elements 9, 10 are connected in the installed state to the longitudinal members of the chassis frame, then, in the case of operational vibration excitation, in the regions of the carrier elements 1, 2 which are connected to one another in a force-locking manner via the respective contact sections 11, and to the connecting means 5 to micromotion in the contact points. These micro-movements have a vibration-damping property and thus prevent a swinging of the entire vibration system, comprising the chassis frame and the connection carrier.
The support members 1,2 each have first and second openings 6a corresponding to each other 6b to reduce the weight of the connection support and at the same time to increase the twisting ability, in other words to reduce the twisting stiffness.
Figure 2 shows the connection carrier in an assembled state, wherein the position of the parts to each other does not deviate from the previously described. In particular, the various sections of the support elements 1,2 are shown in more detail in these figures. The first carrier element 1 has, viewed in its central portion, normal to the longitudinal direction, a first carrier section 3, in which the first openings 6a are arranged. In this case, the first support section 3 sets up that flat part of the U-profile, which is bounded by the two angularly protruding parts. Similarly, the corresponding overlapping portion of the second support member 2 is formed as a second support portion 4, in which the second openings 6b are arranged, so that after joining the support members 1.2 common openings 6 are formed.
At the longitudinal ends of the support members 1,2, the fixing portions 7,8 are arranged, which are in contact with the contact portions 11 of the fasteners 9,10 and in which connect the two connecting means 5, the support members 1,2 via the fasteners 9,10 , More specifically, the first support member 1 has at one end a first part 7a of the first one
Attachment section 7 and at the opposite end a first part 8a of the second attachment portion 8. The second carrier element 2 has a second part 7b of the first attachment section 7 which overlaps the first part 7a of the first attachment section 7 and an analogous second part 8b of the second attachment section 8. The support sections 3.4 take about 75% of the length of the connection carrier.
As already indicated in FIG. 2, two receiving sections 12 are shown in FIG. These extend at a right angle to the openings 6 having planar portion of the first support portion 3 from the second support member 2 away. A receiving portion 12 is thus formed in the present embodiment as that part of the open U-profile, which is formed on the same side in which the fasteners 9,10 extend, in other words, on the top of the connecting carrier. In this receiving portion 12 attachment points 17 for receiving add-on components, such as elements of the train protection (antennas) or lines or their cable and Verrohrungskomponenten are arranged, which are designed in the present case as through holes. At these attachment points 17, now cable clamps or other screw-fasteners can be fastened in a simple manner. In order to further reduce the weight of the connection carrier, the receiving portion 12 has four further openings 13. A second receiving portion 12 is formed as the other part of the open U-profile, in other words the underside of the connecting carrier. Also, this receiving portion 12 has attachment points 17.
Analogously to the first carrier element 1, the second carrier element 2 has two further receiving sections 16 which protrude perpendicularly from the second carrier section 4 on the upper or lower side of the second carrier element 2 or in this case are formed by the U-profile of the second carrier element 2 , The fastening points 17, which are arranged on the further receiving section 16, are designed as projecting sections provided with through-holes.
Due to the flexible design and arrangement of the fastening points 17 on the receiving portions 12, such an inventive connecting carrier can be easily adapted to the respective bogie and the male attachment components.
Figures 4 and 5 show a chassis frame with connection carrier. The connecting carrier or the first and second carrier element 1, 2 is connected via the first fastening element 9 to a first longitudinal carrier 18 and via the second fastening element 10 to a second longitudinal carrier 19, wherein the longitudinal carriers 18, 19 are aligned parallel to a longitudinal direction 21 , The side members 18,19 are further connected by two cross members 20, over which the power flow between the side rails 18,19 flows, the cross member 20 are aligned normal to the longitudinal direction 21. The connecting carrier is parallel to the cross members 20, so also normal to the longitudinal direction 21, aligned. In FIG. 4, for the sake of clarity, those fastening points 17 are again shown, which are visible in a view from above on the chassis frame. It can also be seen that the connection carrier is arranged at one end of the longitudinal members 18,19 and thus viewed in the longitudinal direction 21 of the cross member 20 from behind, not shown, the wheel axle of the rail vehicle. FIG. 5, on the other hand, again clearly shows the projecting portions 15 of the fastening elements 9, 10 which are connected to the longitudinal members 18, 19 via elastomer elements 14.
LIST OF REFERENCES: 1 first carrier element 2 second carrier element 3 first carrier section 4 second carrier section 5 connecting means 6 opening 7 first attachment section 8 second attachment section 9 first attachment element 10 second attachment element 11 contact section of the attachment elements 9,10 12 receiving section 13 further opening 14 elastomer element 15 projecting section of the attachment elements 9 , 10 16 further receiving portion 17 attachment point 18 first side member 19 second side member 20 cross member 21 longitudinal direction
权利要求:
Claims (25)
[1]
claims
1. connection carrier for connecting two longitudinal members (18,19) of a chassis frame of a rail vehicle, with at least one attachment point (17) for receiving add-on components, characterized in that the connection carrier at least a first carrier element (1) with a first support portion (3) and a second carrier element (2) with a second carrier section (4), wherein the carrier elements (1,2) by at least two connecting means (5) non-positively connected to each other such that the carrier sections (3,4) overlap each other at least in sections.
[2]
2. Connection carrier according to claim 1, characterized in that the first carrier element (1) and the second carrier element (2) in the region of the carrier sections (3,4) are strip-shaped.
[3]
3. Connection carrier according to claim 1 or 2, characterized in that the first carrier element (1) and the second carrier element (2) have an open profile in cross-section.
[4]
4. connection carrier according to claim 3, characterized in that it is the open profile to an L-profile.
[5]
5. connection carrier according to claim 3, characterized in that it is the open profile is a U-profile.
[6]
6. connection carrier according to one of claims 1 to 5, characterized in that the carrier elements (1,2) in the overlapping carrier sections (3,4) a plurality of openings (6).
[7]
7. connection carrier according to one of claims 1 to 6, characterized in that the carrier elements (1,2) have two each overlapping fastening portions (7,8), wherein the connecting means (5) in the fastening portions (7,8) are arranged.
[8]
8. Connection support according to claim 7, characterized in that the fastening sections (7, 8) are arranged on the, in the mounted state in the direction of the longitudinal members (18, 19), ends of the support sections (3, 4).
[9]
9. connection carrier according to one of claims 1 to 8, characterized in that each at least one fastening element (9,10) for connection of the connecting carrier with a longitudinal member (18,19) of the chassis frame is provided.
[10]
10. connection carrier according to claim 9, characterized in that the fastening elements (9,10) have a contact portion (11) which is arranged between the fastening portions (7,8) of the carrier elements (1,2) and via the connecting means (5) is connected to the carrier elements (1,2).
[11]
11. connection carrier according to claim 9 or 10, characterized in that the fastening elements (9,10) are formed console-like.
[12]
12. Connecting carrier according to one of claims 9 to 11, characterized in that the fastening elements (9,10) are L-shaped.
[13]
13. Connecting support according to one of claims 9 to 11, characterized in that the fastening elements (9,10) each have at least one elastomer element (14), via which elastomer element (14) the fastening elements (9,10) with the respective side member (18 , 19) are connectable.
[14]
14. Connecting carrier according to one of claims 1 to 13, characterized in that the first carrier element (1) has at least one receiving portion (12) which angularly, preferably at right angles, from the first support portion (3) protrudes, wherein at least one attachment point (17) is arranged on the receiving portion (12).
[15]
15. Connecting carrier according to one of claims 1 to 14, characterized in that the second carrier element (2) has at least one further receiving portion (16) which angularly, preferably at right angles, from the second support portion (4) protrudes, wherein at least one attachment point (17 ) is arranged on the further receiving portion (16).
[16]
16. Connecting carrier according to one of claims 1 to 15, characterized in that the carrier sections (3,4) form between 70% and 90%, preferably between 80% and 90%, of the length of the carrier elements (1,2).
[17]
17. Connecting carrier according to one of claims 1 to 16, characterized in that the carrier elements (1,2), preferably also the fastening elements (9,10) are designed as sheet-metal bent parts.
[18]
18. connection carrier according to claim 17, characterized in that the sheet-metal bent parts are made of stainless steel.
[19]
19 landing gear frame of a rail vehicle with two longitudinal members (18,19) and at least one connecting the longitudinal members (18,19) connecting carrier according to one of claims 1 to 18.
[20]
20. Chassis frame according to claim 19, characterized in that the connecting member encloses a right angle with the two longitudinal members (18,19).
[21]
21. Chassis frame according to claim 19 or 20, characterized in that the cross section of the first carrier element (1) in a longitudinal direction (21) of the chassis frame and the cross section of the second carrier element (2) opposite to the longitudinal direction (21) of the chassis frame is opened.
[22]
22. Chassis frame according to one of claims 19 to 21, characterized in that the length of the carrier elements (1,2) between 80% and 120%, preferably 90% and 110%, of the clear width between the two longitudinal members (18,19) is.
[23]
23. Chassis frame according to one of claims 19 to 22, characterized in that the connection carrier via the fastening elements (9,10) with the longitudinal members (18,19) is connected.
[24]
24. Chassis frame according to one of claims 19 to 23, characterized in that the fastening elements (9,10) have a projecting portion (15) which extends in the direction of the respective side members (18,19).
[25]
25. Chassis frame according to one of claims 19 to 24, characterized in that the connection carrier is arranged from the cross member (20) of the chassis frame from behind a wheel axle of the rail vehicle.
类似技术:
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同族专利:
公开号 | 公开日
AT516912A3|2017-12-15|
WO2016131691A1|2016-08-25|
EP3259169A1|2017-12-27|
US10745035B2|2020-08-18|
CN107207019A|2017-09-26|
RU2675757C1|2018-12-24|
EP3259169B1|2020-11-25|
US20180043909A1|2018-02-15|
CN107207019B|2019-07-16|
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AT516912A3|2015-02-17|2017-12-15|Siemens Ag Österreich|Connecting support for two longitudinal members of a rail vehicle|AT516912A3|2015-02-17|2017-12-15|Siemens Ag Österreich|Connecting support for two longitudinal members of a rail vehicle|
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
ATA50120/2015A|AT516912A3|2015-02-17|2015-02-17|Connecting support for two longitudinal members of a rail vehicle|ATA50120/2015A| AT516912A3|2015-02-17|2015-02-17|Connecting support for two longitudinal members of a rail vehicle|
EP16703972.6A| EP3259169B1|2015-02-17|2016-02-10|Connecting member for two longitudinal members of a rail vehicle|
US15/551,461| US10745035B2|2015-02-17|2016-02-10|Connecting member for two longitudinal members of a rail vehicle|
RU2017129110A| RU2675757C1|2015-02-17|2016-02-10|Connecting beam for two load-bearing components of framework of rail vehicle|
CN201680010859.8A| CN107207019B|2015-02-17|2016-02-10|The connecting elements of two longitudinal members for rail vehicle|
PCT/EP2016/052821| WO2016131691A1|2015-02-17|2016-02-10|Connecting member for two longitudinal members of a rail vehicle|
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