CN220502504U

CN220502504U - Arbitrary angle positioning mechanism of rotary crane

Info

Publication number: CN220502504U
Application number: CN202321046410.0U
Authority: CN
Inventors: 张旭平; 杨志根; 叶建良
Original assignee: Jiashan Zeli Tools Co ltd
Current assignee: Jiashan Zeli Tools Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2024-02-20
Anticipated expiration: 2033-05-05

Abstract

The utility model provides an arbitrary angle positioning mechanism of a rotary crane, which comprises a first support shaft, wherein a first connecting flange is fixedly arranged at the top of the first support shaft, a second connecting flange is connected above the first connecting flange in a threaded manner, a second support shaft is fixedly arranged at the top of the second connecting flange, an angle positioning structure is arranged on the side wall of the second support shaft, a first connecting rod is fixedly arranged on the upper surface of the first connecting flange, a latch is fixedly arranged at one end of the first connecting rod, which is far away from the first connecting flange, and a third support shaft is fixedly arranged at the top of the second support shaft. According to the utility model, by designing the angle positioning structure consisting of the grip, the slide bar and the clamping block on any angle positioning mechanism of the rotary crane, the phenomenon that workers are injured due to the too high speed of the cantilever in the rotation process can be reduced, and meanwhile, the condition that the cantilever and goods are impacted on other equipment to cause injury to the cantilever and the goods can be reduced.

Description

Arbitrary angle positioning mechanism of rotary crane

Technical Field

The utility model relates to the technical field of rotary cranes, in particular to an arbitrary angle positioning mechanism of a rotary crane.

Background

The crane is also called a crane, is generally applied to ships, construction sites, workshops and the like, and is generally applied to the functions of lifting, loading and unloading heavy objects or lifting and carrying the heavy objects from the ground to a high place, thereby greatly reducing the loss of labor force.

At present, a crane is generally used in the building decoration process, wherein the small-sized rotary crane is a single-upright crane, an upright can be adjusted according to the indoor height, the bearing is large, the pipe wall is thick, the boom is rotated by 360 degrees, more importantly, the weight pressing is not needed, a lot of trouble is omitted, local materials are not needed, some small-sized rotary cranes produced in the market at present need to manually push the boom to rotate in the hoisting process so as to rotate the hoisted goods to a designated place, but because the rotation and stopping of the boom are controlled by manpower, when the speed of the boom in the rotating process is too fast, the manpower cannot be controlled in time, thereby injuring staff or enabling the boom and the goods to collide on other equipment, and further causing the damage to the boom and the goods.

Therefore, to solve the above problems, we propose an arbitrary angle positioning mechanism of a rotary crane.

Disclosure of Invention

The utility model aims to provide an arbitrary angle positioning mechanism of a rotary crane, so as to solve the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an arbitrary angle positioning mechanism of rotation type loop wheel machine, includes first back shaft, first back shaft top fixed mounting has first flange, first flange top threaded connection has second flange, second flange top rotation is connected with the second back shaft, second back shaft lateral wall is provided with angle location structure, first flange upper surface fixed mounting has the head rod, the one end fixed mounting that first flange was kept away from to the head rod has the latch, second back shaft top fixed mounting has the third back shaft, third back shaft lateral wall fixed mounting has the connecting plate, connecting plate upper surface fixed mounting has the slant cantilever, connecting plate upper surface is located cantilever one side fixed mounting and places the platform, place bench upper surface fixed mounting has driving motor and take-up pulley.

As a further description of the utility model: the angle positioning structure comprises a first fixed block and a second fixed block, the first fixed block and the second fixed block are fixedly connected with a second supporting shaft, the first fixed block and the second fixed block are vertically distributed, a handle is rotatably connected inside the first fixed block, and a first connecting block is fixedly arranged at the bottom of the handle.

As a further description of the utility model: the second fixed block is internally and slidably connected with a sliding rod, the sliding rod penetrates through the second fixed block and the second supporting shaft and is horizontally distributed with the ground, a clamping block which can be clamped with the clamping teeth is fixedly arranged at one end, close to the second supporting shaft, of the sliding rod, and the clamping block is of an arc-shaped design.

As a further description of the utility model: the one end fixed mounting that the fixture block was kept away from to the slide bar has the second connecting block, it has the second connecting rod to articulate between first connecting block and the second connecting block.

As a further description of the utility model: the take-up pulley is located the front of driving motor, and driving motor's output and take-up pulley fixed connection, the front and back both ends of take-up pulley rotate and are connected with solid fixed ring, and gu fixed ring's bottom and place platform fixed connection.

As a further description of the utility model: the cantilever is kept away from the fixed pulley of one end fixed mounting of connecting plate, be provided with the lifting rope between fixed pulley and the take-up pulley, the lifting hook is installed to the one end that the lifting rope kept away from the take-up pulley.

As a further description of the utility model: the side wall of the first support shaft is fixedly provided with four groups of support arms, one end, far away from the first support shaft, of each support arm is fixedly provided with a base, and the outer wall of one side, far away from the cantilever, of the placing table is fixedly provided with a handle.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the angle positioning structure formed by the grip, the slide bar and the clamping block is designed on any angle positioning mechanism of the rotary crane, when the rotary crane is used, a worker can hold the grip to press downwards, press the slide bar through the first connecting block, the second connecting rod and the second connecting block, so that the clamping block at one end of the slide bar is contacted with the clamping tooth, the first supporting shaft, the second fixing shaft and the cantilever are further fixed, and when the fixing is required to be released, the grip can be rotated upwards around the first fixing block to drive the clamping block to be separated from the clamping tooth, the phenomenon that the worker is injured due to the fact that the speed of the cantilever is too fast in the rotating process is reduced, and meanwhile, the condition that the cantilever and goods are impacted on other equipment to cause damage to the suspension arm and the goods can be reduced.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a connection structure of a first support shaft and a second support shaft according to the present utility model;

FIG. 3 is a schematic view of an angular positioning structure according to the present utility model;

fig. 4 is a schematic structural view of a first support shaft and a connecting part thereof according to the present utility model.

In the figure: 1. a first support shaft; 2. a first connection flange; 3. a second connection flange; 4. a second support shaft; 5. an angle positioning structure; 501. a first fixed block; 502. a grip; 503. a first connection block; 504. a second fixed block; 505. a slide bar; 506. a clamping block; 507. a second connection block; 508. a second connecting rod; 6. a first connecting rod; 7. latch teeth; 8. a third support shaft; 9. a connecting plate; 10. a cantilever; 11. a placement table; 12. a driving motor; 13. a wire winding wheel; 14. a fixed pulley; 15. a hanging rope; 16. a handle; 17. a support arm; 18. and (5) a base.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an arbitrary angle positioning mechanism of rotation type loop wheel machine, including first back shaft 1, first back shaft 1 top fixed mounting has first flange 2, first flange 2 top threaded connection has second flange 3, second flange 3 top rotation is connected with second back shaft 4, second back shaft 4 lateral wall is provided with angle location structure 5, first flange 2 upper surface fixed mounting has head rod 6, head rod 6 is kept away from first flange 2's one end fixed mounting has latch 7, second back shaft 4 top fixed mounting has third back shaft 8, third back shaft 8 lateral wall fixed mounting has connecting plate 9, connecting plate 9 upper surface fixed mounting has slant cantilever 10, connecting plate 9 upper surface is located cantilever 10 one side fixed mounting and places platform 11, place platform 11 upper surface fixed mounting has driving motor 12 and take-up pulley 13.

In this embodiment: the angle positioning structure 5 comprises a first fixing block 501 and a second fixing block 504, the first fixing block 501 and the second fixing block 504 are fixedly connected with the second supporting shaft 4, the first fixing block 501 and the second fixing block 504 are vertically distributed, a grip 502 is rotatably connected inside the first fixing block 501, and a first connecting block 503 is fixedly arranged at the bottom of the grip 502.

The specific use is as follows: the handle 502 can rotate around the first fixed block 501, and when rotating downwards, the handle can drive the sliding rod 505 to slide towards the inside of the second fixed block 504, and when rotating upwards, the handle can drive the sliding rod 505 to slide towards the outside of the second fixed block 504.

In this embodiment: the second fixed block 504 is internally and slidably connected with a slide bar 505, the slide bar 505 penetrates through the second fixed block 504 and the second support shaft 4 and is horizontally distributed with the ground, one end, close to the second support shaft 4, of the slide bar 505 is fixedly provided with a clamping block 506 which can be clamped with the clamping teeth 7, and the clamping block 506 is of an arc-shaped design.

The specific use is as follows: the clamping block 506 can be clamped with the clamping tooth 7 to fix the second support shaft 4, the third support shaft 8 and the cantilever 10, so that labor is saved.

In this embodiment: the second connecting block 507 is fixedly arranged at one end of the sliding rod 505, which is far away from the clamping block 506, and a second connecting rod 508 is hinged between the first connecting block 503 and the second connecting block 507.

The specific use is as follows: the two ends of the second connecting rod 508 are respectively hinged with the first connecting block 503 and the second connecting block 507, and the second connecting rod 508 can transmit force to the sliding rod 505 during the up-and-down rotation of the handle 502 so as to drive the sliding rod 505 to slide inside the second fixing block 504.

In this embodiment: the take-up pulley 13 is located the front of driving motor 12, and driving motor 12's output and take-up pulley 13 fixed connection, and the front and back both ends rotation of take-up pulley 13 are connected with the solid fixed ring, and guy fixed ring's bottom and put platform 11 fixed connection.

The specific use is as follows: after the driving motor 12 is started, the take-up pulley 13 can be driven to rotate between the two groups of fixed rings, so that paying-off and take-up of the lifting rope 15 are realized, and the height of the lifted goods is adjusted.

In this embodiment: the cantilever 10 is kept away from the fixed pulley 14 of one end fixed mounting of connecting plate 9, is provided with lifting rope 15 between fixed pulley 14 and the take-up pulley 13, and lifting hook is installed to the one end that lifting rope 15 kept away from take-up pulley 13.

The specific use is as follows: the fixed pulley 14 can reduce the friction phenomenon between the lifting rope 15 and the cantilever 10 in the process of winding or unwinding, and reduce abrasion.

In this embodiment: four groups of supporting arms 17 are fixedly arranged on the side wall of the first supporting shaft 1, a base 18 is fixedly arranged at one end, far away from the first supporting shaft 1, of the supporting arms 17, and a handle 16 is fixedly arranged on the outer wall of one side, far away from the cantilever 10, of the placing table 11.

The specific use is as follows: the support arm 17 and the base 18 serve as a support for the device, while the handle 16 facilitates the application of external forces by a worker when rotating the boom 10.

Working principle: when the lifting hook is used, the lifting hook at one end of the lifting rope 15 is used for hooking a cargo, the driving motor 12 can be started to drive the take-up pulley 13 to rotate, so that the height of the cargo is adjusted, after the cargo is adjusted in height, a worker can rotate the second supporting shaft 4 and the third supporting shaft 8 around the second connecting flange 3 through the handle 16 to drive the cantilever 10 and the cargo to rotate, after the cargo rotates to a designated position, the worker can hold the handle 502 to press downwards at the moment, the clamping block 506 at one end of the sliding rod 505 is enabled to be in contact with the clamping tooth 7 through the first connecting block 503, the second connecting rod 508 and the second connecting block 507, the second supporting shaft 4, the third supporting shaft 8 and the cantilever 10 are further fixed, and similarly when the fixing is needed to be released, the handle 502 can be rotated upwards around the first fixing block 501 to drive the clamping block 506 to be separated from the clamping tooth 7, the phenomenon that the cantilever 10 is damaged due to the fact that the speed is too fast in the rotating process is reduced, and meanwhile the phenomenon that the cantilever 10 and the cargo are impacted on other devices can be reduced, so that the damage occurs to the boom and the cargo.

Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art may modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features thereof, and any modifications, equivalent substitutions, improvements and the like within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. Any angle positioning mechanism of rotary crane, including first back shaft (1), its characterized in that: the utility model discloses a cable-stayed device for the cable-stayed device, including first back shaft (1), second back shaft (4), first back shaft (1), second back shaft (2), first back shaft (2) top fixed mounting has first flange (2), first flange (2) top threaded connection has second flange (3), second flange (3) top rotation is connected with second back shaft (4), second back shaft (4) lateral wall is provided with angle location structure (5), first flange (2) upper surface fixed mounting has head rod (6), the one end fixed mounting that first flange (6) kept away from first flange (2) has latch (7), second back shaft (4) top fixed mounting has third back shaft (8), third back shaft (8) lateral wall fixed mounting has connecting plate (9), connecting plate (9) upper surface fixed mounting has slant cantilever (10), connecting plate (9) upper surface is located cantilever (10) one side fixed mounting and is put platform (11), surface fixed mounting has driving motor (12) and receipts line wheel (13) on placing platform (11).

2. An arbitrary angle positioning mechanism for a rotary crane according to claim 1, wherein: the angle positioning structure (5) comprises a first fixed block (501) and a second fixed block (504), the first fixed block (501) and the second fixed block (504) are fixedly connected with a second supporting shaft (4), the first fixed block (501) and the second fixed block (504) are vertically distributed, a handle (502) is rotationally connected inside the first fixed block (501), and a first connecting block (503) is fixedly arranged at the bottom of the handle (502).

3. An arbitrary angle positioning mechanism for a rotary crane according to claim 2, wherein: the second fixing block (504) is internally connected with a sliding rod (505) in a sliding manner, the sliding rod (505) penetrates through the second fixing block (504) and the second supporting shaft (4) and is horizontally distributed with the ground, a clamping block (506) which can be clamped with the clamping tooth (7) is fixedly arranged at one end, close to the second supporting shaft (4), of the sliding rod (505), and the clamping block (506) is of an arc-shaped design.

4. A rotary hook machine arbitrary angle positioning mechanism according to claim 3, characterized in that: one end of the sliding rod (505) far away from the clamping block (506) is fixedly provided with a second connecting block (507), and a second connecting rod (508) is hinged between the first connecting block (503) and the second connecting block (507).

5. An arbitrary angle positioning mechanism for a rotary crane according to claim 1, wherein: the wire winding wheel (13) is located in the front of the driving motor (12), the output end of the driving motor (12) is fixedly connected with the wire winding wheel (13), the front end and the rear end of the wire winding wheel (13) are rotatably connected with fixing rings, and the bottoms of the fixing rings are fixedly connected with the placement table (11).

6. An arbitrary angle positioning mechanism for a rotary crane according to claim 1, wherein: a fixed pulley (14) is fixedly arranged at one end of the cantilever (10) far away from the connecting plate (9), a lifting rope (15) is arranged between the fixed pulley (14) and the take-up pulley (13), and a lifting hook is arranged at one end of the lifting rope (15) far away from the take-up pulley (13).

7. An arbitrary angle positioning mechanism for a rotary crane according to claim 1, wherein: four groups of supporting arms (17) are fixedly arranged on the side wall of the first supporting shaft (1), a base (18) is fixedly arranged at one end, far away from the first supporting shaft (1), of each supporting arm (17), and a handle (16) is fixedly arranged on the outer wall of one side, far away from the cantilever (10), of each placing table (11).