Crane with anti-unhooking assembly
By adopting a combined structure of electric push rods, connecting plates, connecting rods, cross rods, hooks and other components in the crane, the problems of shaft jamming and heavy objects are solved, which improves safety and simplifies maintenance and ladder management.
Patent Information
- Application Number
- CN202420882726.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The shaft and turntable of existing cranes may be stuck during emergency braking, resulting in damage to the motor. At the same time, the heavy object is decoupled due to inertia when it is lifted and runs, which poses a safety hazard.
A crane with anti-dehooking components is designed, using a combined structure of electric push rod, connecting plate, connecting rod, cross rod, connecting block, clamp slot and hook, through the motor, bidirectional screw, limit slot, limit block Cooperation with the ladder prevents heavy objects from being decoupled due to inertia, and facilitates maintenance and storage of the ladder.
It effectively prevents heavy objects from being decoupled due to inertia during handling, improves safety, and through convenient maintenance and ladder storage design, ladders are avoided from hindering the operation of the crane.
Smart Images
Figure CN222249735U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to a crane with an anti-unhooking component. Background Art
[0002] A crane is a mechanical equipment used to lift and move heavy objects, usually consisting of a bracket, a lifting mechanism, a running mechanism, a motor system, etc.
[0003] Publication No. CN212669012U discloses a crane, including a shell, a fixed plate fixed at the top of the shell, a first slide groove provided inside the fixed plate, a first slider provided inside the first slide groove, a movable block installed at the bottom end of the first slider, and the movable block is installed through the shell. The crane cleverly utilizes the principle of the clutch through the mutual cooperation of parts such as a fixed rod, a belt and a second clamping tooth, and disconnects the power source of the walking device by pulling out the handle to disconnect the rotating shaft from the turntable, preventing the motor and the rotating shaft from getting stuck, avoiding hard damage caused by sudden locking during mechanical movement, and solving the problem that when the existing crane is performing emergency braking, the rotating shaft and the turntable suddenly get locked, while the motor is still running, which will cause greater damage to the inside of the motor and cause damage to the crane. Although this type of crane can prevent the motor from being damaged due to sudden locking of the rotating shaft and the turntable, it is lacking in anti-unhooking. Since this type of crane does not have an anti-unhooking structure, when the heavy object is lifted, the heavy object will shake due to inertia, causing the heavy object to fall off the hook, which will not only cause damage to the heavy object but also pose a safety hazard to the workers. Utility Model Content
[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.
[0005] The utility model adopts the following technical scheme: a crane with an anti-unhooking component comprises a bracket and a connecting block, a top plate is fixedly installed on the top surface of the bracket, a motor A is fixedly installed on the surface of the top plate, a screw rod A is installed on the output end of the motor A, a slide groove is provided on the surface of the top plate, a slider is slidably connected inside the slide groove, a steel wire rope is fixedly installed on the surface of the slider, a motor B is fixedly installed on the surface of the slider, a winding roller is installed on the output end of the motor B, a hook is fixedly installed on the bottom surface of the connecting block, a card groove is provided on the surface of the hook, a roller is rotatably connected inside the connecting block, an electric push rod is fixedly installed on the surface of the connecting block, a connecting plate is installed on the output end of the electric push rod, a connecting plate is rotatably connected to a connecting rod on the surface of the connecting plate, and a cross bar is fixedly installed on the surface of the connecting rod.
[0006] Preferably, a motor C is fixedly mounted on the surface of the top plate, a bidirectional screw B is mounted on the output end of the motor C, a limit slot is provided on the surface of the top plate, a limit block is slidably connected inside the limit slot, and a ladder is fixedly mounted on the surface of the limit block. Here, the design of the ladder makes it easy for maintenance personnel to inspect or maintain the crane by climbing the ladder.
[0007] Preferably, the connecting rod and the connecting block are connected in a rotational manner, and the cross bar and the slot are connected in a sliding manner. Here, the rotational design of the connecting rod and the connecting block facilitates the electric push rod to drive the cross bar to move through the connecting rod and the connecting plate, while the sliding design of the cross bar and the slot closes the hook, thereby preventing the heavy object from being unhooked due to inertia.
[0008] Preferably, one end of the steel wire rope is connected to the surface of the slider, and the other end is wound around the surface of the winding roller. Here, the design of the steel wire rope and the winding roller has the effect of raising the connecting block and the hook.
[0009] Preferably, the screw rod A is rotatably connected to the top plate, the winding roller is rotatably connected to the slider, and the slider is threadedly connected to the screw rod A. Here, the threaded connection design between the screw rod A and the slider has the effect of driving the slider to slide in the slide groove when the screw rod A rotates.
[0010] Preferably, the limit block is connected to the bidirectional screw rod B by a threaded connection, and the bidirectional screw rod B is rotatably connected to the top plate. Here, the threaded connection design between the limit block and the bidirectional screw rod B has the effect of driving the limit block to slide in the limit groove when the bidirectional screw rod rotates, thereby facilitating the storage and assembly of the ladder.
[0011] Preferably, the number of the ladder and the limit block is two groups, and the two groups of ladders and limit blocks are symmetrically distributed on the surface of the top plate. Here, the symmetrical design of the ladder and the limit block facilitates the storage of the ladder, thereby avoiding the situation where the ladder hinders the crane from carrying heavy objects.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, by arranging an electric push rod, a connecting plate, a connecting rod, a cross bar, a connecting block, a slot and a hook, it is possible to prevent the heavy object from being unhooked due to inertia when carrying the heavy object, thereby protecting the heavy object from damage and improving safety. The utility model has a simple structure and strong practicality.
[0014] 2. In the utility model, by providing the motor C, the bidirectional screw rod B, the limit groove, the limit block and the ladder, it is convenient for maintenance personnel to inspect or maintain the crane through the ladder, and it is also convenient to store the ladder, thereby avoiding the situation where the ladder hinders the crane from carrying heavy objects. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional structural schematic diagram of a crane with an anti-unhooking component is proposed for the utility model;
[0016] Figure 2 The utility model provides a schematic diagram of the exploded structure of a connecting block, a slider, a motor A and a screw rod A in a crane with an anti-unhooking component;
[0017] Figure 3 The utility model provides a schematic diagram of the explosion structure of a winding roller, a steel wire rope, a connecting block and a hook in a crane with an anti-unhooking component;
[0018] Figure 4 The utility model proposes a crane with an anti-unhooking component Figure 3 Enlarged view of point A in the middle;
[0019] Figure 5 The utility model provides a schematic diagram of the explosion structure of a limit block and a ladder in a crane with an anti-unhooking component.
[0020] Legend:
[0021] 1. Bracket; 2. Top plate; 3. Motor A; 4. Screw A; 5. Slide; 6. Slider; 7. Wire rope; 8. Motor B; 9. Winding roller; 10. Connecting block; 11. Hook; 12. Slot; 13. Roller; 14. Electric push rod; 15. Connecting plate; 16. Connecting rod; 17. Cross bar; 18. Motor C; 19. Bidirectional screw B; 20. Limiting groove; 21. Limiting block; 22. Ladder. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0024] Embodiment 1
[0025] See also Figure 1-5 The utility model provides a technical solution: a crane with an anti-unhooking component, including a bracket 1 and a connecting block 10, a top plate 2 is fixedly installed on the top surface of the bracket 1, a motor A3 is fixedly installed on the surface of the top plate 2, a screw rod A4 is installed on the output end of the motor A3, a slide groove 5 is opened on the surface of the top plate 2, a slider 6 is slidably connected inside the slide groove 5, the slider 6 and the screw rod A4 are threadedly connected, the threaded connection design of the screw rod A4 and the slider 6 has the effect of driving the slider 6 to slide in the slide groove 5 when the screw rod A4 rotates, the screw rod A4 is rotatably connected to the top plate 2, a steel wire rope 7 is fixedly installed on the surface of the slider 6, one end of the steel wire rope 7 is connected to the surface of the slider 6, and the other end is wound around the surface of the winding roller 9, the design of the steel wire rope 7 and the winding roller 9 has the effect of lifting the connecting block 10 and the hook 11, a motor B8 is fixedly installed on the surface of the slider 6, the output of the motor B8 A winding roller 9 is installed at the end, and the winding roller 9 is rotatably connected to the slider 6. A hook 11 is fixedly installed on the bottom surface of the connecting block 10, and a card slot 12 is opened on the surface of the hook 11. The roller 13 is rotatably connected inside the connecting block 10, and an electric push rod 14 is fixedly installed on the surface of the connecting block 10. A connecting plate 15 is installed on the output end of the electric push rod 14, and a connecting rod 16 is rotatably connected to the surface of the connecting plate 15. The connecting rod 16 is rotatably connected to the connecting block 10. The rotating design of the connecting rod 16 and the connecting block 10 facilitates the electric push rod 14 to drive the cross bar 17 to move through the connecting rod 16 and the connecting plate 15. A cross bar 17 is fixedly installed on the surface of the connecting rod 16, and the cross bar 17 is slidably connected to the card slot 12. The sliding design of the cross bar 17 and the card slot 12 has the effect of closing the hook 11, thereby preventing the heavy object from being unhooked due to inertia.
[0026] Embodiment 2
[0027] See also Figure 1-5A motor C18 is fixedly mounted on the surface of the top plate 2, and a bidirectional screw rod B19 is mounted on the output end of the motor C18. The bidirectional screw rod B19 is rotatably connected to the top plate 2. A limit groove 20 is provided on the surface of the top plate 2. The limit block 21 is slidably connected inside the limit groove 20. The limit block 21 is connected to the bidirectional screw rod B19 through a threaded connection. The threaded connection design of the limit block 21 and the bidirectional screw rod B19 has the effect of driving the limit block 21 to slide in the limit groove 20 when the bidirectional screw rod rotates, thereby facilitating In order to store and assemble the ladder 22, the ladder 22 is fixedly installed on the surface of the limit block 21. The design of the ladder 22 makes it easy for maintenance personnel to inspect or maintain the crane through the ladder 22. The number of ladders 22 and limit blocks 21 is two groups, and the two groups of ladders 22 and limit blocks 21 are symmetrically distributed on the surface of the top plate 2. The symmetrical design of the ladder 22 and the limit block 21 makes it easy to store the ladder 22, thereby avoiding the situation where the ladder 22 hinders the crane from carrying heavy objects.
[0028] Working principle: When using the crane, first hang the heavy object to be moved on the hook 11 and then open the electric push rod 14. The electric push rod 14 will drive the connecting plate 15. When the connecting plate 15 moves, it will rotate in the connecting rod 16, and at the same time, it will cause the connecting rod 16 to rotate on the surface of the connecting block 10. When the connecting rod 16 rotates, it will drive the cross bar 17 to move, so that the cross bar 17 is stuck in the slot 12. At this time, turn on the motor B8, and the motor B8 will drive the winding roller 9 to wind the wire rope 7. When the wire rope 7 is wound, it will drive the roller 13 to rotate in the connecting block 10, and at the same time, it will cause the roller 13 and the connecting block 10 to rise upward, so that the heavy object is lifted. At this time, turn on the motor A3, and the motor A3 will drive the screw rod A4 to rotate. When the screw rod A4 rotates, it will drive the slider 6 to slide in the slide groove 5 to transport the heavy object. The electric push rod 14, the connecting plate 15, the connecting rod 16, and the cross bar 17 prevent the heavy objects from being unhooked due to inertia when being transported, thereby protecting the heavy objects from damage and improving safety. When the crane needs to be maintained and overhauled, it is only necessary to turn on the motor C18, which will drive the bidirectional screw rod B19 to rotate. When the bidirectional screw rod B19 rotates, it will drive the limit block 21 to slide in the limit groove 20, so that the ladder 22 can be docked and assembled. At this time, the crane can be maintained and overhauled through the ladder 22. The motor C18, the bidirectional screw rod B19, the limit groove 20, the limit block 21 and the ladder 22 facilitate the maintenance personnel to overhaul or maintain the crane through the ladder 22, and also facilitate the storage of the ladder 22, thereby avoiding the situation where the ladder 22 hinders the crane from transporting heavy objects.
[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A crane with an anti-unhooking assembly, comprising a bracket (1) and a connecting block (10), characterized in that: A top plate (2) is fixedly mounted on the top surface of the bracket (1), a motor A (3) is fixedly mounted on the surface of the top plate (2), a screw rod A (4) is mounted on the output end of the motor A (3), a slide groove (5) is provided on the surface of the top plate (2), a slider (6) is slidably connected inside the slide groove (5), a steel wire rope (7) is fixedly mounted on the surface of the slider (6), a motor B (8) is fixedly mounted on the surface of the slider (6), and a winding roller (9) is mounted on the output end of the motor B (8) A hook (11) is fixedly mounted on the bottom surface of the connection block (10), a slot (12) is provided on the surface of the hook (11), a roller (13) is rotatably connected inside the connection block (10), an electric push rod (14) is fixedly mounted on the surface of the connection block (10), a connecting plate (15) is mounted on the output end of the electric push rod (14), a connecting rod (16) is rotatably connected to the surface of the connecting plate (15), and a cross bar (17) is fixedly mounted on the surface of the connecting rod (16).
2. The crane with an anti-unhooking assembly according to claim 1, characterized in that: A motor C (18) is fixedly mounted on the surface of the top plate (2), a bidirectional screw rod B (19) is mounted on the output end of the motor C (18), a limiting groove (20) is provided on the surface of the top plate (2), a limiting block (21) is slidably connected inside the limiting groove (20), and a ladder (22) is fixedly mounted on the surface of the limiting block (21).
3. The crane with an anti-unhooking assembly according to claim 1, characterized in that: The connecting rod (16) is rotationally connected to the connecting block (10), and the cross bar (17) is slidingly connected to the clamping slot (12).
4. The crane with an anti-unhooking assembly according to claim 1, characterized in that: One end of the steel wire rope (7) is connected to the surface of the slider (6), and the other end is wound around the surface of the winding roller (9).
5. The crane with an anti-unhooking assembly according to claim 1, characterized in that: The screw rod A (4) is rotationally connected to the top plate (2), the winding roller (9) is rotationally connected to the slider (6), and the slider (6) is threadedly connected to the screw rod A (4).
6. The crane with an anti-unhooking assembly according to claim 2, characterized in that: The limit block (21) is connected to the bidirectional screw rod B (19) via threads, and the bidirectional screw rod B (19) is rotationally connected to the top plate (2).
7. The crane with an anti-unhooking assembly according to claim 2, characterized in that: The number of the ladders (22) and the limit blocks (21) is two groups, and the two groups of ladders (22) and the limit blocks (21) are symmetrically distributed on the surface of the top plate (2).