CN216764087U

CN216764087U - Anti-rolling device of crane

Info

Publication number: CN216764087U
Application number: CN202122731225.2U
Authority: CN
Inventors: 虞晓斌
Original assignee: Zhejiang Institute of Special Equipment Science
Current assignee: Zhejiang Institute of Special Equipment Science
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-06-17
Anticipated expiration: 2031-11-09

Abstract

The utility model provides a swing reducing device of a crane, which comprises a crane boom, wherein a driving mechanism is arranged at the top of the crane boom, a balancing mechanism is arranged at the bottom of the crane boom, the driving mechanism is connected with the balancing mechanism through a steel wire rope, and the balancing mechanism is connected with a bearing hook; the driving mechanism comprises a first motor, a driving rod and a driven roller, the first motor drives the driving rod to rotate, the driving rod penetrates through the driven roller and drives the driven roller to rotate, and the steel wire rope is wound on the driven roller; the balance mechanism comprises a connecting rod and a bearing plate, the connecting rod is connected with the bottom of the crane boom, a movable groove is formed in the connecting rod, the bearing plate can slide in the movable groove of the connecting rod, the top of the bearing hook is connected with the bearing plate, and the free end of the steel wire rope is connected into a rope locking buckle of the bearing plate. The utility model has the advantages that: structural design is reasonable, can fix a position, the anti-sway to the bearing hook, improves work efficiency, reduces the loss of manpower and materials.

Description

Anti-rolling device of crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a stabilizer of a crane.

Background

A crane, also called a crown block, a gantry crane, or a crane, refers to a multi-action hoisting machine that vertically lifts and horizontally carries heavy objects within a certain range. The crane belongs to material handling machinery, and is the lifting machinery with the widest application range and the largest quantity, in the process of handling the crane, a heavy object can swing back and forth in a plumb plane under the action of inertia force and horizontal wind load, and the suspension is not firm possibly caused when the swing amplitude of the heavy object is too large, and a device positioning mechanism is lacked. The existing device has poor anti-rolling effect, so that the device still has great potential safety hazard in the use process, the existing device positioning device is not perfect enough, most of the devices rotate the whole crane boom to adjust the position, and the workload of related workers is increased.

Therefore, designing a crane anti-rolling device becomes a problem to be solved currently.

Disclosure of Invention

The utility model aims to provide the swing reducing device of the crane, which has reasonable structural design, can position and reduce the swing of the bearing hook, improves the working efficiency and reduces the loss of manpower and material resources.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the anti-rolling device of the crane comprises a crane boom, wherein a driving mechanism is arranged at the top of the crane boom, a balancing mechanism is arranged at the bottom of the crane boom, the driving mechanism is connected with the balancing mechanism through a steel wire rope, and the balancing mechanism is connected with a bearing hook.

Furthermore, the driving mechanism comprises a first motor, a driving rod and a driven roller, the first motor drives the driving rod to rotate, the driving rod penetrates through the driven roller and drives the driven roller to rotate, and the steel wire rope is wound on the driven roller; the balance mechanism comprises a connecting rod and a bearing plate, the connecting rod is connected with the bottom of the crane boom, a movable groove is formed in the connecting rod, the bearing plate can slide in the movable groove of the connecting rod, the top of the bearing hook is connected with the bearing plate, and the free end of the steel wire rope is connected into a rope locking buckle of the bearing plate.

Furthermore, the driven roller includes driven roller one and driven roller two of arranging side by side, and the drive lever penetrates driven roller one and driven roller two in proper order and links to each other with the bearing frame of both sides, is equipped with the bracing piece between driven roller one and the driven roller two, first motor passes through the bearing frame and links to each other with the drive lever.

Further, the top of the bearing hook is in threaded connection with the middle of the bearing plate.

Furthermore, a positioning mechanism is arranged in the crane boom and comprises a second motor, a bidirectional threaded rod and two sliding blocks, the second motor is connected with the bidirectional threaded rod and drives the bidirectional threaded rod to rotate, the two sliding blocks are respectively connected onto the bidirectional threaded rod in a penetrating manner and can slide along with the rotation of the bidirectional threaded rod, the bottoms of the sliding blocks are connected with the connecting rod, and a notch for the connecting rod to move is formed in the lower side of the crane boom.

Further, be equipped with the limiting plate between two sliding blocks, can inject the slip range of sliding block.

Compared with the prior art, the utility model has the following advantages:

the anti-rolling device of the crane is reasonable in structural design, can position and anti-roll the bearing hook, can block the action of inertia force and horizontal wind force when the bearing hook hooks a heavy object, reduces the time for the heavy object to roll, improves the working efficiency, and reduces the loss of manpower and material resources.

Drawings

Fig. 1 is a schematic overall structure diagram of a roll reducing device of a crane.

Fig. 2 is a structural schematic diagram of a stabilizing balance mechanism of the crane.

FIG. 3 is a schematic structural diagram of a positioning mechanism of a roll damping device of a crane according to the present invention.

FIG. 4 is an enlarged schematic view of the structure at A of the roll reducing device of the crane.

Reference numerals: 1. a cargo boom; 2. a bearing seat; 3. a support bar; 4. a first motor; 5. a drive rod; 6. a driven roller; 7. a wire rope; 8. a second motor; 9. a bidirectional threaded rod; 10. a slider; 11. a limiting plate; 12. a connecting rod; 13. a movable groove; 14. a bearing plate; 15. locking the rope buckle; 16. a thread groove; 17. a load bearing hook.

Detailed Description

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, the anti-rolling device of the crane comprises a crane boom 1, wherein a driving mechanism is arranged at the top of the crane boom 1, a balancing mechanism is arranged at the bottom of the crane boom 1, the driving mechanism is connected with the balancing mechanism through a steel wire rope 7, and the balancing mechanism is connected with a bearing hook 17.

The driving mechanism comprises a first motor 4, a driving rod 5 and a driven roller 6, the first motor 4 drives the driving rod 5 to rotate, the driving rod 5 penetrates through the driven roller 6 and drives the driven roller 6 to rotate, and the steel wire rope 7 is wound on the driven roller 6. The driven roller 6 comprises a first driven roller and a second driven roller which are arranged side by side, the driving rod 5 sequentially penetrates through the first driven roller and the second driven roller and is connected with the bearing seats 2 on two sides, a supporting rod 3 is arranged between the first driven roller and the second driven roller, and the first motor 4 is connected with the driving rod 5 through the bearing seats 2.

As shown in fig. 2, the balancing mechanism includes a connecting rod 12 and a bearing plate 14, the connecting rod 12 is connected to the bottom of the boom 1, a movable groove 13 is formed in the connecting rod 12, the bearing plate 14 can slide in the movable groove 13 of the connecting rod 12, the top of the bearing hook 17 is connected to the bearing plate 14, and the free end of the steel wire rope 7 is connected to a rope locking buckle 15 of the bearing plate 14. As shown in fig. 4, the top of the load-bearing hook 17 is preferably screwed to the middle of the load-bearing plate 14. In the daily use process of the crane, the bearing hook 17 as an indispensable part is often worn, the bearing hook 17 in the existing device cannot be independently replaced and maintained, and the working efficiency of operators and the safety of lifting and pulling goods are influenced; according to the utility model, the threaded grooves 16 are arranged at the connecting parts of the top of the bearing hook 17 and the bearing plate 14 for meshing connection, so that when the bearing hook 17 is damaged and needs to be replaced, the bearing hook 17 is directly rotated and taken off from the bearing plate 14, and the overall convenience of the device is greatly improved.

In the linkage process of the driving mechanism and the balance mechanism, the first motor 4 drives the driving rod 5 to rotate to drive the driven roller 6, the driven roller 6 rotates to enable the steel wire rope 7 to fall, the steel wire rope 7 is connected with the bearing plate 14 through the rope buckle 15, and therefore the bearing plate 14 slides down in the movable groove 13 in the connecting rod 12, and the bearing hook 17 hooks up a heavy object. The arrangement of the connecting rod 12 and the bearing plate 14 can block the action of inertia force and horizontal wind force, reduce the shaking time of the heavy object and greatly improve the practicability and safety of the device.

As shown in fig. 3, a positioning mechanism is arranged in the boom 1, the positioning mechanism includes a second motor 8, a two-way threaded rod 9 and two sliding blocks 10, the second motor 8 is connected with the two-way threaded rod 9 and drives the two-way threaded rod to rotate, the two sliding blocks 10 are respectively connected to the two-way threaded rod 9 in a penetrating manner and can slide along with the rotation of the two-way threaded rod 9, the bottom of each sliding block 10 is connected with a connecting rod 12, and a notch for the connecting rod 12 to move is formed in the lower side of the boom 1. A limiting plate 11 is arranged between the two sliding blocks 10, and the sliding amplitude of the sliding blocks 10 can be limited.

In the process of carrying heavy objects by the crane, an operator needs to adjust the position of the bearing hook 17 so as to hook up the heavy objects, the existing positioning device is not perfect enough, the position is mostly adjusted by rotating the whole crane boom 1, and the working efficiency is reduced. According to the utility model, by arranging the positioning mechanism, in the positioning process of the positioning mechanism, the second motor 8 drives the bidirectional threaded rod 9 to rotate, the sliding block 10 on the bidirectional threaded rod 9 horizontally moves along with the rotation of the bidirectional threaded rod 9, the limiting plate 11 can limit the moving position, and the connecting rod 12 can move along with the sliding block 10, so that the purpose of moving the bearing hook 17 is achieved, the workload of operators is greatly reduced, the working efficiency is improved, and the function of the device is perfected.

The working process of the anti-rolling device of the crane comprises the following steps: before the crane moves heavy objects, the position of the bearing hook 17 is adjusted, the second motor 8 is controlled to be turned on, the second motor 8 drives the bidirectional threaded rod 9 to rotate, the sliding block 10 on the bidirectional threaded rod 9 horizontally moves along with the rotation of the bidirectional threaded rod 9, the limiting plate 11 can limit the position of the sliding block 10, and the connecting rod 12 moves along with the sliding block 10, so that the purpose of moving the bearing hook 17 is achieved; in the process of carrying the heavy object by the crane, an operator controls the first motor 4 to enable the driving rod 5 to rotate to drive the driven roller 6, the driven roller 6 rotates to enable the steel wire rope 7 to fall, the steel wire rope 7 is connected with the bearing plate 14 through the rope locking buckle 15, the bearing plate 14 slides down in the movable groove 13 of the connecting rod 12, the heavy object is hooked by the bearing hook 17, the connecting rod 12 and the bearing plate 14 can be arranged to block the effects of inertia force and horizontal wind force, the shaking time of the heavy object is shortened, and the practicability and the safety of the device are improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements should also be considered as within the scope of the present invention.

Claims

1. The utility model provides a stabilizer of hoist, includes the jib loading boom which characterized in that: the top of the crane boom is provided with a driving mechanism, the bottom of the crane boom is provided with a balancing mechanism, the driving mechanism is connected with the balancing mechanism through a steel wire rope, the balancing mechanism is connected with a bearing hook, and a positioning mechanism is arranged in the crane boom.

2. A roll stabilizer for crane according to claim 1, wherein: the driving mechanism comprises a first motor, a driving rod and a driven roller, the first motor drives the driving rod to rotate, the driving rod penetrates through the driven roller and drives the driven roller to rotate, and the steel wire rope is wound on the driven roller; the balance mechanism comprises a connecting rod and a bearing plate, the connecting rod is connected with the bottom of the crane boom, a movable groove is formed in the connecting rod, the bearing plate can slide in the movable groove of the connecting rod, the top of the bearing hook is connected with the bearing plate, and the free end of the steel wire rope is connected into a rope locking buckle of the bearing plate.

3. A roll stabilizer for crane according to claim 2, wherein: the driven roller includes driven roller one and driven roller two of arranging side by side, and the actuating lever penetrates driven roller one and driven roller two in proper order and links to each other with the bearing frame of both sides, is equipped with the bracing piece between driven roller one and the driven roller two, first motor passes through the bearing frame and links to each other with the actuating lever.

4. A roll stabilizer for a crane according to claim 2, wherein: the top of the bearing hook is in threaded connection with the middle of the bearing plate.

5. A roll reducing device for a crane according to claim 2, 3 or 4, wherein: the positioning mechanism comprises a second motor, a two-way threaded rod and two sliding blocks, the second motor is connected with the two-way threaded rod and drives the two-way threaded rod to rotate, the two sliding blocks are respectively connected to the two-way threaded rod in a penetrating mode and can slide along with the rotation of the two-way threaded rod, the bottoms of the sliding blocks are connected with the connecting rod, and a notch for the connecting rod to move is formed in the lower side of the crane boom.

6. A roll stabilizer for crane according to claim 5, wherein: be equipped with the limiting plate between two sliding blocks, can inject the sliding amplitude of sliding block.