• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The hoist frame structure, the frame structure (1) comprising a carrier frame structure (2), a carrier wheel arrangement (3) attached to the carrier frame structure (2) by hangers (4) for supporting the hoist with the main carrier structure (12) and carrying wheels (5) arranged on opposite sides, and upper diverting wheel arrangements (6) fixed to the carrier frame structure (2), characterized in that the carrier frame structure (2) comprises two plates (7) arranged at a distance from one another and having upper plates (8) bent towards each other, and a shaft (10) passing through both plates (7) is arranged in the support frame structure (2), on which axis (10) is arranged a diverting wheel (11) between the plates (7) and the bent plates (8) with wedge lock (29) to hanger (4) k for adjusting the distance (s) of the carrying wheels (5) arranged on opposite sides of the annulus body structure (2) by means of hangers (4).
    公开号:FI20176106A1
    申请号:FI20176106
    申请日:2017-12-12
    公开日:2019-06-13
    发明作者:Henri Kokko；Niko Laukkanen；Atte Lähteenmäki；Teppo Lindberg；Mikko Jutila；Mikko Ritala；Mikko Mykrä；Henri Helkiö
    申请人:Konecranes Global Oy；
    IPC主号:
    专利说明:

    Lifting frame structure
    BACKGROUND OF THE INVENTION The invention relates to a hoist frame structure comprising a carrier frame structure, a carrier assembly mounted on the carrier frame to support the hoist by a main carrier structure, and the carrier arrangement of the carrier comprising a lifting arm arrangement.
    A type of crane commonly used in the industry is a bridge crane, which consists of a bridge on a rail or rails, a trolley running along a bridge and a load lifter attached to the trolley. A bridge crane hoist is typically a rope hoist. It is important for crane availability that it makes efficient use of the available workspace.
    In this case, it is advantageous for the structure of the hoist to be such that it allows the load to be raised as high as possible, utilizing the available free height. However, the construction of the hoist must be inexpensive and reliable in operation.
    It is important for the lift's installation and serviceability that the structure of the lift enables the lift to be fitted to the bridge, the main carrier structure, simply and quickly.
    BRIEF DESCRIPTION OF THE INVENTION The object of the invention is thus to improve the structure of the hoist so that the above-mentioned problems can be solved. The object of the invention is achieved by a structure of a hoist, which is characterized by what is stated in the independent claims. Preferred embodiments of the invention are claimed in the dependent claims.
    The invention is based on a hoist frame structure, the frame structure comprising a carrier frame structure, a carrier assembly attached to the carrier frame structure by means of hangers for supporting the hoist with a main carrier structure, and The bracket frame structure comprises two plates disposed at a distance from one another, the tops of which are bent towards each other, and
    2172064FI
    20176106 prh 12-12-2017 The carrier frame structure is provided with an axle passing through both discs, on which axis is provided a pivoting wheel between the plates, and the bent tops of the plates are removably secured by wedge locking to the suspension by means of spacers spaced apart on opposite sides.
    The frame structure of the hoist according to the invention has the advantage of having a small height of the hoist allowing the load to be raised as high as possible by utilizing the available free height. The frame structure of the hoist allows the hoist to be easily and quickly fitted to the main carrier structure.
    BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be further described in connection with preferred embodiments, with reference to the accompanying drawings, in which:
    Figure 1 shows the frame structure of the hoist;
    Figure 2 is a top plan view of the hoist frame of Figure 1;
    Figure 3 is a front view of the frame structure of the hoist of Figure 1;
    Figure 4 is a side elevation view of the frame structure of Figure 1;
    Figure 5 is a side view of the frame structure of the hoist;
    Figure 6 shows a hanger;
    Fig. 7 shows the hanger of Fig. 6.
    DETAILED DESCRIPTION OF THE INVENTION The frame structure 1 of the hoist can be used, for example, to lift a bridge crane in a carriage. The hoist trolley moves along the crane's main carrier structure. The main carrier structure typically comprises a profile beam, with the lifting carriage supported on the lower flange of the profile beam. Thus, the main carrier structure refers to 30 load-bearing structures, which in its simplest form is a single beam and most often a single beam. The rope hoist lifting arrangement is arranged in the hoisting trolley.
    Figures 1-5 show the frame structure 1 of the hoist. The frame structure 1 of the hoist comprises a frame frame 2, a carrier wheel arrangement 3 and hangers 4. The carrier wheel arrangement 3 is fixed to the frame frame structure 2i.
    2172064EN with struts 4 for supporting the hoist with the main carrier structure and for moving the hoist with the main carrier structure. The carrier wheel arrangement 3 comprises carrier wheels 5 arranged in opposite directions on the hoist movement x. The upper arm wheel arrangement 6 is fixed to the carrier frame structure 2. The carrier frame structure 2 comprises two plates 7 arranged at a distance from each other. The tops 8 of the plates 8 are bent towards each other so that a gap 9 is formed between the bent tops 8 of the plates 7 of the bracket structure. The shaft 10 is provided with a shaft 10 passing through both plates 7 with at least one folding wheel 11 between the plates 7. The bent tops 8 of the plates are removably secured by wedge lock 29 to the hanger 4 for adjusting the mutual distance s of the carrying wheels 5 on opposite sides by means of the hangers 4.
    In addition to the frame structure 1, the lifting trolley also comprises other parts not shown in the figures. The hoisting trolley comprises a hoisting machine n with a rope roller with a rope groove for the hoisting rope. The hoisting trolley comprises rope pulley arrangements with upper pulley arrangements and lower rope arrangements. Through the rope wheel arrangements, the lifting rope can be guided from the rope roll to the anchorage point. The lifting trolley also has a lifting means cooperating with the lifting rope for lifting the load. Depending on the rope arrangement, the attachment point for the first end of the hoisting rope may be adapted to, for example, the hoisting member or the supporting frame structure 2.
    Figure 4 shows that the bracket frame structure 2 secured to the carrier wheel arrangement 3 via the hangers 4 is located below the lower flange of the main carrier structure 12 in its immediate vicinity. The position of the diverting pulley 11 between the plates 8 of the bracket frame structure also becomes closer to the main bracket structure 12.
    According to a preferred embodiment, the top part 8 of the plate is bent in a substantially horizontal plane. In the figures, the plate 7 of the bracket frame structure is bent such that the plate 7 is substantially L-shaped and the plates of the bracket frame structure are mirror images of one another.
    According to one embodiment, the frame structure of the hoist comprises the frame structure of the rope hoist, and an anchor point 13 is provided on the middle part of the first plate 7 of the frame frame structure 2 to which the free end of the hoisting rope can be attached. The attachment point 13 is preferably formed at the end of the shaft 10 passing through the plates 7 of the support frame structure.
    According to one embodiment, a junction 14 is provided in the middle of the second plate 7 of the support frame structure for other parts of the hoist, such as, for example, a rope roll of a hoisting rope. The junction 14 is preferably formed at the end of the shaft 10 passing through the plates 8 of the support frame structure. For example, the junction 14 may be joined by another wheel-mounted subassembly to which the rope roller is fitted with drive motors and gears.
    According to one embodiment, the two plates 7 of the carrier frame structure are arranged at a distance from one another by means of spacers 15 such as spacers. The position of the spacers 15, the spacers, in the height direction h of the support frame structure 2 is arranged so that the lower part 18 of the hanger 4 is adapted to move in the space between the spacers 15 and the bent upper parts 8 of the plates.
    Figures 6-7 show the frame structure hanger 4. The hanger 4 comprises an upper part 16, a central part 17 and a lower part 18. The upper part 16 has an attachment means for a carriage arrangement 3. At its upper part the hanger 4 engages the carriage arrangement 3 An axle joint is also advantageous to manufacture. In addition, the shaft connection is a secure connection that does not open accidentally. In connection with the shaft connection 28, it is advantageous for the hanger 4 to be attached from the center part 17 to the carrier arrangement 3 by means of a screw connection 19. This screw connection 19 prevents rotation around the shaft connection 28. The screw connection 19 to the carrier arrangement 3 is shown in Figures 1 and 3.
    A lifting lug 20 may also be formed in the upper part 16 of the hanger, for example for mounting the hoist.
    The substantially horizontal lower part of the hanger 18 has means for connecting to the hoist frame frame structure 2. The hoist frame frame structure 2 can be removably secured by wedge lock 29 to the hangers 4 at both ends 21. The vertical center portion 17 and the top portion 16 of the hanger project upwardly from the gap 9 formed between the bent upper portions 8 of the bracket frame plates 7.
    The upper stiffening plates 22 covering the lower part 18 of the hanger abut against the upper surfaces of the bent upper parts 8 of the bracket frame plates 7 outside the bracket frame 2 transversely to the longitudinal direction L of the plates (Fig. 1). The upper stiffening plates 22 engage with the central portion 17 of the hanger 4.
    2172064FI
    The upper stiffening plates 22 are preferably shaped to extend, at least in part, on the vertical side surfaces of the plates 7 for improved bonding strength.
    Figure 7 shows the upper stiffening plates 22 of the hanger 4 removed. The lower portion 18 of the hanger comprises a lower stiffening plate 23 and a wedge portion 24. The lower stiffening plate 23 is disposed transversely to the longitudinal direction L of the support frame structure 2, under the bent upper parts 8 of both plates. The wedge portions 24 are disposed on both sides of the hanger center portion 17 on the lower stiffening plate 23. The wedge portions 24 are preferably disposed in compartments 25 formed in the lower stiffening plate 23. The wedge locking 29 between the hanger 4 and the bracket frame structure 2 is achieved by displacing at one end a The oblique surface of the lower stiffening plate 23 is made, for example, with variable material thickness. By loosening the key lock 29, the compression between the hanger 4 and the support frame structure 2 is removed and the hanger 4 can be moved.
    The hangers 4 which can be detachably attached to both ends 21 of the support frame structure 2 can move continuously in the longitudinal direction L of the support frame structure 2. In this case, the relative distance s of the carrying wheels 5 attached to the hangers 4 can be adjusted by moving the attachment points of the hangers 4 on the bracket frame structure 2 closer or farther apart. The adjustable distance s allows the hoist to be suspended on main carriers of different sizes.
    Figures 1-4 show an embodiment of a carrier arrangement 3, which on each side of the hoist always has at least two arranged carrier wheels 5. The carrier wheels 5 on the same side of the hoist are each arranged on the same suspension part 26 fixed by the carrier 4 the entire hoist moves along the upper surface of the lower flange of the main carrier structure 12.
    Fig. 5 shows an embodiment of the carrier wheel arrangement 3, in which lifting carriage flanges 27 are provided on opposite sides of the hoist to which the carrier wheels 5 are attached. There are always at least two carrying wheels 5 on each side. The carrying wheels 5 are located on the inner sides facing the main carrier structure 12 of the lifting carriages 27 and on which the lifting carriage flanges 27 and thus the entire hoist moves along the upper surface of the lower flange of the main carrier structure 12.
    2172064EN The solution according to the invention achieves a small lift height dimension which increases the lift height. The distance between the upper rope components such as the pulleys and the main support structure is reduced by the solution.
    The frame structure of the hoist allows the hoist to be easily and quickly fitted to the main carrier structure. The distance between the carrying wheels to be mounted on opposite sides of the main carrier structure and their suspension parts or lifting flanges is infinitely adjustable. This improves the lift installation and maintenance.
    The support frame structure formed from the plates has a lower weight than the conventional frame solution. This also facilitates the installation and maintenance of the lift.
    Parts list: 1 hoist frame structure; 2 bracket frame structure; 3 Carriage arrangement; 4 hangers; 5 carrying wheel; 6 upper impeller assembly; 7 bracket frame plate; 8 plate top; 9 slit; 10 axles; 11 folding wheel; 12 main support structure; 13 anchorage points; 14 junctions; 15 distance support; 16 upper part; 17 middle part; Bottom 18; 19 screw connection; 20 lifting lugs; 21 heads; 22 upper stiffening plate; 23 lower stiffening plate; 24 keyway; 25 compartments; 26 suspension members; 27 lifting flange; 28 shaft couplings; 29 key lock.
    H elevation; L longitudinal direction; s distance between carrying wheels; x direction of motion.
    It will be obvious to a person skilled in the art that as technology advances, the basic idea of the invention can be implemented in many different ways. The invention and its embodiments are thus not limited to the examples described above, but may vary within the scope of the claims.
    权利要求:
    Claims (12)
    [1]
    A hoist frame structure, the frame structure (1) comprising a carrier frame structure (2), a carrier wheel arrangement (3) fixed to the carrier frame structure (2) by means of hangers (4) for supporting the hoist by a main carrier structure (12);
    [2]
    Lift structure according to Claim 1, characterized in that the top part (8) of the plate is bent in a substantially horizontal plane.
    [3]
    Lifting frame structure according to one of Claims 1 to 2, characterized in that the plate (7) of the supporting frame structure is bent so that
    The plate 20 is substantially L-shaped and the plates (7) of the carrier frame structure are mirror images of each other.
    [4]
    Lifting frame structure according to one of Claims 1 to 3, characterized in that an attachment point (13) for the lifting rope is provided in the middle of the plate (7) of the supporting frame structure.
    Lifting frame structure according to one of Claims 1 to 4, characterized in that a junction (14) is arranged on the middle part of the plate (7) of the supporting frame structure for the hoisting rope roll.
    [5]
    5 formed by a gap (9) between the upper parts (8).
    5 for moving the hoist by a main carrier structure (12), the carrier arrangement (3) comprising carrier wheels (5) arranged on opposite sides of the hoist, and the upper diverting arrangement (6) fixed to the carrier frame structure (2), characterized in that ) which are arranged at a distance from one another and whose upper parts (8) of the levers are bent towards each other, and a shaft (10) passing through both plates (7) is arranged in the supporting frame structure (2), 11) between the plates (7), and the bent tops (8) of the plates are removably secured by wedge locking (29) to the hanger (4) for adjusting the distance (s) of the carrying wheels (5) arranged on opposite sides by means of the grips (5).
    [6]
    Lifting frame structure according to one of Claims 1 to 5, characterized in that the two plates (7) of the supporting frame structure are arranged opposite to each other.
    30 spacers apart using spacers.
    [7]
    Lifting frame structure according to one of Claims 1 to 6, characterized in that the hanger (4) is attached to the carrying wheel arrangement (3) by an axle joint (28).
    [8]
    Lifting frame structure according to claim 7, characterized in
    35, characterized in that the hanger (4) engages with its center part (17) in the carrier arrangement (3) by means of a screw connection (19).
    2172064FI
    [9]
    Lifting frame structure according to one of Claims 1 to 8, characterized in that the hanger (4) comprises an upper part (16), a middle part (17) and a lower part (18), and the lower part (18) is arranged inside the supporting frame structure (2) (17) and the upper portion (16) projecting from the bends of the plates (7) of the bracket structure
    [10]
    10 (8) is arranged between the upper stiffening plate (22) and the wedge parts (24).
    Lifting frame structure according to claim 9, characterized in that upper stiffening plates (22) are attached to the central part (17) of the hanger (4) and the lower part (18) of the hanger (4) comprises a lower stiffening plate (23) and wedge parts (24) , and a bent upper part of the support frame structure plate (7)
    [11]
    Lifting frame structure according to one of Claims 1 to 10, characterized in that the carrying wheel arrangement (3) always comprises at least two arranged carrying wheels (5) on opposite sides of the lift, and the carrying wheels (5) on the same side of the lifting device are each arranged in the same
    15 to a part (26) secured by a hanger (4) to the support frame structure (2).
    [12]
    The hoist frame structure according to any one of claims 1 to 10, characterized in that the carrying wheel arrangement (3) comprises two lifting carriage flanges (27) arranged on opposite sides of the hoist and having carrying wheels (5).
    类似技术:
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    同族专利:
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    法律状态:
    2019-08-15| FG| Patent granted|Ref document number: 128022 Country of ref document: FI Kind code of ref document: B |
    优先权:
    申请号 | 申请日 | 专利标题
    FI20176106A|FI128022B|2017-12-12|2017-12-12|Body construction for a lifting device|FI20176106A| FI128022B|2017-12-12|2017-12-12|Body construction for a lifting device|
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