Load-bearing trundle for crane
By designing the matching structure of cross beams and mounting plates, it is easy to disassemble and replace the crane load-bearing casters, solving the problem of low replacement efficiency in the prior art, and achieving rapid replacement and stable fixation.
Patent Information
- Application Number
- CN202422065632.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-08-26
AI Technical Summary
The load-bearing casters of existing cranes are inefficient to replace after wear and cannot be replaced quickly.
A load-bearing castor for cranes was designed. Through the coordination of cross beams, mounting plates, grooves, bumps, slides, slides, springs and other structures, the installation plates are easily disassembled and replaced; through the coordination of connecting frames, clamps, movable plates, springs and other structures, the fixation of cross beams is achieved.
It realizes convenient disassembly and replacement of load-bearing casters, ensuring rapid replacement after wear and maintaining stable and fixed during use.
Smart Images

Figure CN223060537U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of load-bearing casters, in particular to a load-bearing caster for a crane. Background Technique
[0002] A crane is a lifting equipment that spans over workshops, warehouses, and yards for material hoisting. Since its two ends are seated on tall cement columns or metal brackets. The bridge of the crane runs longitudinally along the tracks laid on both sides of the elevated racks, and can make full use of the space under the bridge to hoist materials without being hindered by ground equipment.
[0003] When the existing crane is in use, load-bearing casters are required for moving and bearing the load. However, the casters are usually fixed on the crossbeam. When the casters are worn out after long-term use and need to be replaced, the replacement efficiency is low and quick replacement cannot be carried out. Therefore, a load-bearing caster for a crane is needed. Content of the Utility Model
[0004] (1) Technical Problems to be Solved
[0005] In view of the deficiencies of the prior art, the utility model provides a load-bearing caster for a crane, which solves the problems raised in the above background technique.
[0006] (2) Technical Solutions
[0007] To achieve the above object, the utility model is realized through the following technical solutions: A load-bearing caster for a crane, including a crossbeam and a mounting plate. The mounting plate is located below the crossbeam. A groove is opened in the inner wall of the crossbeam. A convex block is slidably connected to the inner wall of the groove. The lower surface of the convex block is fixedly connected to the mounting plate. A placement groove is fixedly connected to the inner wall of the crossbeam. A placement block is fixedly connected to one side of the convex block. The placement block is slidably connected to the inner wall of the placement groove. A cavity is opened in the inner wall of the convex block. A chute is opened in the inner wall of the cavity. A slider is slidably connected to the inner wall of the chute.
[0008] Optionally, a moving plate is fixedly connected to the lower surface of the slider. A first spring is fixedly connected to one side of the moving plate.
[0009] Optionally, one side of the first spring is fixedly connected to the cavity. A connecting block is fixedly connected to one side of the moving plate.
[0010] Optionally, a clamping block is fixedly connected to one side of the connecting block. A clamping groove is opened in the inner wall of the crossbeam.
[0011] Optionally, the clamping groove is adapted to the clamping block. The number of the clamping blocks and the clamping grooves is four. The four clamping blocks and the clamping grooves are symmetrically arranged.
[0012] Optionally, a connecting frame is fixedly connected to one side of the cross beam. A sliding groove is formed in the inner wall of the connecting frame. A sliding block is slidably connected to the inner wall of the sliding groove. A movable plate is fixedly connected to the lower surface of the sliding block.
[0013] Optionally, a movable rod is fixedly connected to one side of the movable plate. A second spring is fixedly connected to one side of the connecting frame. One side of the second spring is fixedly connected to the movable plate. The inner wall of the movable rod is slidably connected to the connecting frame. A clamping block is fixedly connected to one side of the movable plate. A clamping groove is formed in one side of the clamping block. The clamping block is adapted to the clamping groove.
[0014] Optionally, a fixing frame is fixedly connected to the lower surface of the mounting plate. A roller is rotatably connected to the inner wall of the fixing frame.
[0015] The utility model provides a load-bearing caster for a crane, which has the following beneficial effects:
[0016] 1. For the load-bearing caster for the crane, through the setting of the cross beam, the device has the effect of being convenient for replacement. Through the cooperation of the cross beam and the mounting plate, during use, the mounting plate can be easily disassembled and installed from the cross beam through the groove and the convex block. Through the cooperation of the cavity, the chute, the slider, the moving plate, the first spring, the connecting block, the clamping block and the clamping groove, the elastic force of the first spring drives the clamping block to move in the convex block, which is convenient for driving the mounting plate and the roller to be disassembled and replaced, thus playing the role of being convenient for disassembly and replacement and achieving the purpose of disassembly and replacement.
[0017] 2. For the load-bearing caster for the crane, through the setting of the connecting frame, the device has the effect of being fixed. Through the cooperation of the connecting frame and the clamping block, during use, after the cross beam is fixed by the clamping block and the clamping groove, the elastic force of the second spring drives the movable plate and the movable rod to move, and at the same time drives the clamping block to be clamped and fixed to the clamping groove, which is convenient for fixing the convex block, thus playing the role of being fixed and achieving the purpose of being fixed. Description of the Drawings
[0018] Figure 1 is a three-dimensional structural diagram of the utility model;
[0019] Figure 2 is a side-sectional structural diagram of the utility model;
[0020] Figure 3 is the utility model Figure 2 an enlarged structural diagram of part A in;
[0021] Figure 4 is a front-sectional structural diagram of the utility model;
[0022] Figure 5 For the present utility model Figure 4 is a schematic enlarged structure view at position B in the present utility model.
[0023] In the figure: 1, cross beam; 2, mounting plate; 3, groove; 4, convex block; 5, placement groove; 6, placement block; 7, cavity; 8, sliding groove; 9, sliding block; 10, moving plate; 11, first spring; 12, connecting block; 13, clamping block; 14, clamping groove; 15, connecting frame; 16, sliding slot; 17, sliding block; 18, movable plate; 19, movable rod; 20, second spring; 21, clamping connection block; 22, clamping connection groove; 23, fixed frame; 24, roller. Specific embodiments
[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0025] Embodiment 1
[0026] Please refer to Figures 1 to 3 , the present utility model provides a technical solution: a load-bearing caster for a crane, including a cross beam 1 and a mounting plate 2. The mounting plate 2 is located below the cross beam 1. A groove 3 is provided in the inner wall of the cross beam 1. A convex block 4 is slidably connected to the inner wall of the groove 3. The lower surface of the convex block 4 is fixedly connected to the mounting plate 2. A placement groove 5 is fixedly connected to the inner wall of the cross beam 1. A placement block 6 is fixedly connected to one side of the convex block 4. The inner wall of the placement groove 5 is slidably connected to the placement block 6. A cavity 7 is provided in the inner wall of the convex block 4. A sliding groove 8 is provided in the inner wall of the cavity 7. A sliding block 9 is slidably connected to the inner wall of the sliding groove 8. The lower surface of the sliding block 9 is fixedly connected to a moving plate 10. A first spring 11 is fixedly connected to one side of the moving plate 10. One side of the first spring 11 is fixedly connected to the cavity 7. A connecting block 12 is fixedly connected to one side of the moving plate 10. A clamping block 13 is fixedly connected to one side of the connecting block 12. A clamping groove 14 is provided in the inner wall of the cross beam 1. The clamping groove 14 is adapted to the clamping block 13. The number of the clamping blocks 13 and the clamping grooves 14 is four. The four clamping blocks 13 and the clamping grooves 14 are symmetrically arranged.
[0027] When using the load-bearing caster for the crane, through the setting of the cross beam 1, the device has the effect of being convenient for replacement. Through the combined setting of the cross beam 1 and the mounting plate 2, during use, the mounting plate 2 can be easily disassembled and installed from the cross beam 1 through the groove 3 and the convex block 4. Through the combined setting of the cavity 7, the sliding groove 8, the sliding block 9, the moving plate 10, the first spring 11, the connecting block 12, the clamping block 13 and the clamping groove 14, the elastic force of the first spring 11 drives the clamping block 13 to move in the convex block 4, which is convenient for driving the mounting plate 2 and the roller 24 to be disassembled and replaced, thus playing a role of being convenient for disassembly and replacement and achieving the purpose of disassembly and replacement.
[0028] Embodiment 2
[0029] Please refer to Figures 4 - 5 , the present utility model provides a technical solution: a load-bearing caster for a crane, including a cross beam 1 and a mounting plate 2. The mounting plate 2 is located below the cross beam 1. One side of the cross beam 1 is fixedly connected with a connecting frame 15. A sliding groove 16 is provided on the inner wall of the connecting frame 15. A sliding block 17 is slidably connected to the inner wall of the sliding groove 16. The lower surface of the sliding block 17 is fixedly connected with a movable plate 18. One side of the movable plate 18 is fixedly connected with a movable rod 19. One side of the connecting frame 15 is fixedly connected with a second spring 20. One side of the second spring 20 is fixedly connected with the movable plate 18. The inner wall of the movable rod 19 is slidably connected with the connecting frame 15. One side of the movable plate 18 is fixedly connected with a clamping block 21. A clamping groove 22 is provided on one side of the clamping block 13. The clamping block 21 is adapted to the clamping groove 22. The lower surface of the mounting plate 2 is fixedly connected with a fixing frame 23. A roller 24 is rotatably connected to the inner wall of the fixing frame 23. A groove 3 is provided on the inner wall of the cross beam 1. A convex block 4 is slidably connected to the inner wall of the groove 3. The lower surface of the convex block 4 is fixedly connected with the mounting plate 2. A placement groove 5 is fixedly connected to the inner wall of the cross beam 1. One side of the convex block 4 is fixedly connected with a placement block 6. The inner wall of the placement groove 5 is slidably connected with the placement block 6. A cavity 7 is provided on the inner wall of the convex block 4. A sliding groove 8 is provided on the inner wall of the cavity 7. A slider 9 is slidably connected to the inner wall of the sliding groove 8.
[0030] When using this load-bearing caster for a crane, through the setting of the connecting frame 15, the device has a fixing effect. Through the cooperation of the connecting frame 15 and the clamping block 13, during use, after the cross beam 1 can be fixed by the clamping block 13 and the clamping groove 14, the elastic force of the second spring 20 drives the movable plate 18 and the movable rod 19 to move, and at the same time drives the clamping block 21 to be clamped and fixed to the clamping groove 22, which is convenient for fixing the convex block 4, thus playing a fixing role and achieving the purpose of fixing.
[0031] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.
Claims
1. A load-bearing caster for a crane, comprising a cross beam (1) and a mounting plate (2), characterized in that: The mounting plate (2) is located below the cross beam (1). A groove (3) is formed in the inner wall of the cross beam (1). A convex block (4) is slidably connected to the inner wall of the groove (3). The lower surface of the convex block (4) is fixedly connected to the mounting plate (2). A placement groove (5) is fixedly connected to the inner wall of the cross beam (1). A placement block (6) is fixedly connected to one side of the convex block (4). The inner wall of the placement groove (5) is slidably connected to the placement block (6). A cavity (7) is formed in the inner wall of the convex block (4). A sliding groove (8) is formed in the inner wall of the cavity (7). A slider (9) is slidably connected to the inner wall of the sliding groove (8).
2. The load-bearing caster for a crane according to claim 1, wherein: The lower surface of the slider (9) is fixedly connected to a moving plate (10). A first spring (11) is fixedly connected to one side of the moving plate (10).
3. The load-bearing caster for a crane according to claim 2, wherein: One side of the first spring (11) is fixedly connected to the cavity (7). A connecting block (12) is fixedly connected to one side of the moving plate (10).
4. The load-bearing caster for a crane according to claim 3, characterized in that: A clamping block (13) is fixedly connected to one side of the connecting block (12). A clamping groove (14) is formed in the inner wall of the cross beam (1).
5. The load-bearing caster for a crane according to claim 4, characterized in that: The clamping groove (14) is adapted to the clamping block (13). The number of the clamping blocks (13) and the clamping grooves (14) is four. The four clamping blocks (13) and the clamping grooves (14) are symmetrically arranged.
6. The load-bearing caster for a crane according to claim 5, wherein: A connecting frame (15) is fixedly connected to one side of the cross beam (1). A sliding groove (16) is formed in the inner wall of the connecting frame (15). A sliding block (17) is slidably connected to the inner wall of the sliding groove (16). The lower surface of the sliding block (17) is fixedly connected to a movable plate (18).
7. The load-bearing caster for a crane according to claim 6, characterized in that: A movable rod (19) is fixedly connected to one side of the movable plate (18). A second spring (20) is fixedly connected to one side of the connecting frame (15). One side of the second spring (20) is fixedly connected to the movable plate (18). The inner wall of the movable rod (19) is slidably connected to the connecting frame (15). A clamping block (21) is fixedly connected to one side of the movable plate (18). A clamping groove (22) is formed in one side of the clamping block (13). The clamping block (21) is adapted to the clamping groove (22).
8. The load-bearing caster for a crane according to claim 7, wherein: A fixing frame (23) is fixedly connected to the lower surface of the mounting plate (2). A roller (24) is rotatably connected to the inner wall of the fixing frame (23).