Labor-saving large crane hook device capable of automatically adjusting stability
By adopting telescopic rods, sliders, motors and limit components in the crane hook device, multi-angle adjustment and balance are achieved, solving the problems of tilting items and easy pulleys in the prior art, and improving the use of the device Lifespan and maintenance ease.
Patent Information
- Application Number
- CN202421125144.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing crane hook device can easily cause the items to tilt during the lifting process, and the pulley set is easily worn and not convenient to be disassembled and replaced, resulting in the inability to replace or repair in time after long-term use.
A large-scale crane hook device with automatic adjustment and stability was designed, using telescopic rods, sliders, motors, counterweights and limiting components to achieve multi-angle adjustment and balance, and through mechanical such as springs and rods Means are easy to disassemble and replace.
It realizes multi-angle stable adjustment and balance of lifting items, extends the service life of the device, facilitates disassembly and replaces, and improves the safety and efficiency of the lifting process.
Smart Images
Figure CN222204588U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cranes, in particular to an automatically adjustable and stable labor-saving large crane hook device. Background Art
[0002] The crane hook device is a mechanical device used to lift heavy objects. It has the characteristics and functions of automatic adjustment and stability, labor-saving design, large lifting capacity, safety guarantee, precise control, durability and reliability. It can automatically adjust the position and balance according to the weight carried by the hook, reducing the burden on the operator. At the same time, it has sufficient lifting capacity and precise control to ensure the safety and accuracy of the lifting process. This device is widely used in industries such as industry and construction, providing an efficient and safe solution for heavy lifting.
[0003] In the prior art, most crane hook devices are hoisted through a fixed pulley block. Although it can be raised and lowered, it is not stable. During the hoisting process, the object may tilt. After long-term use, the pulley may be easily worn and unusable, and it is not easy to disassemble and replace.
[0004] With regard to the pulley block structure in the above structure, the pulley block structure can only be adjusted for lifting and lowering, and cannot keep the hoisted objects balanced, so that the objects are prone to tilting during the lifting process, which may cause the objects to spill. After long-term use, the structure inside the pulley block is easily damaged by the friction of the rope and needs to be replaced in time. However, the pulley block in the prior art is not easy to disassemble and replace, so that the pulley block cannot be replaced or repaired in time after long-term use. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an automatically adjustable and stable labor-saving large crane hook device, which aims to improve the multi-angle adjustment effect of the hook device in the prior art and the effect of facilitating disassembly, replacement and maintenance.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatically adjustable and stable labor-saving large crane hook device, comprising a support frame, a fixed frame is fixedly connected to the upper surface of the support frame, a telescopic rod is fixedly connected to the upper surface of the fixed frame, a slider is fixedly connected to the output end of the telescopic rod, a roller is rotatably connected to the inside of the slider, the roller is slidably connected to the inside of the fixed frame, a connecting frame is fixedly connected to the lower surface of the slider, a motor is fixedly connected to the outer wall of the connecting frame, a first hub is fixedly connected to the output end of the motor, a first rope is provided on the outer wall of the first hub, a second hub is slidably connected to the outer wall of the first rope, a counterweight is rotatably connected to the outer wall of the second hub, one end of the first rope is fixedly connected to the lower surface of the connecting frame, the other end of the first rope is fixedly connected to a hook group, the hook group comprises a casing, a hook block is rotatably connected to the inside of the casing, a round block is rotatably connected to the inside of the hook block, and a limiting component is arranged inside the hook block.
[0007] Furthermore, the limit assembly includes a pressure rod, which is rotatably connected to the inside of the hook block, the outer wall of the pressure rod is slidably connected to the limit block, the limit block is slidably connected to the inside of the hook block, the limit block is slidably connected to the inside of the round block, a first spring is arranged inside the hook block, one end of the first spring is fixedly connected to the inside of the hook block, and the other end of the first spring is fixedly connected to the upper surface of the limit block, and hanging plates are arranged inside the hook block and the round block.
[0008] Furthermore, a second rope is provided inside the hanging plate, a balance beam is provided on the outer wall of the second rope, a hanging rod is fixedly connected to the lower surface of the balance beam, a connecting rod is rotatably connected to the inside of the hanging rod, and a limiting groove is provided inside the hanging rod.
[0009] Furthermore, a limiting rod is fixedly connected inside the balance beam, a first pulley is slidably connected inside the limiting rod, a clamping rod is rotatably connected inside the limiting rod, and a second spring is arranged inside the limiting rod.
[0010] Furthermore, one end of the second spring is fixedly connected to the inside of the limiting rod, and the other end of the second spring is fixedly connected to the lower surface of the clamping rod.
[0011] Furthermore, a buckle is slidably connected inside the first pulley, the buckle is slidably connected inside the limiting rod, and a third spring is arranged inside the first pulley.
[0012] Furthermore, one end of the third spring is fixedly connected to the inside of the first pulley, and the other end of the third spring is fixedly connected to the outer wall of the buckle.
[0013] Furthermore, a third rope is provided on the outer wall of the first pulley, and a pulley hook is provided on the outer wall of the third rope.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, the sliding block is pushed by the telescopic rod, thereby driving the connecting frame to slide inside the fixed frame, and the motor is started to drive the first wheel hub to rotate, thereby driving the hook group to rise and fall through the first rope to achieve the effect of multi-angle adjustment. The counterweight block plays the role of counterweight, and pressing the pressure rod can make the round block stuck inside the hook block to achieve the effect of limited fixing, thereby fixing the hanging plate inside the hook block.
[0016] 2. In the utility model, the balance beam is driven by four sets of second ropes to achieve a balancing effect, thereby preventing the problem of tilting during lifting. The card rod can be lifted by pressing the card rod, and the first pulley is placed inside the limit rod. The card rod can be reset by loosening it and clamped on the outer wall of the limit rod to prevent the first pulley from falling. The buckle inside the first pulley will be clamped inside the limit rod to fix it, thereby achieving the effect of easy disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a three-dimensional structural diagram of an automatically adjustable and stable labor-saving large crane hook device proposed by the utility model;
[0018] Figure 2 This is a schematic diagram of the casing structure of an automatically adjustable and stable labor-saving large crane hook device proposed by the utility model;
[0019] Figure 3 This is a schematic diagram of the hanging rod structure of an automatically adjustable and stable labor-saving large crane hook device proposed by the utility model;
[0020] Figure 4 This is a schematic diagram of the limit rod structure of an automatically adjustable and stable labor-saving large crane hook device proposed by the utility model;
[0021] Figure 5 The utility model provides a schematic diagram of a buckle structure of an automatically adjustable, stable, labor-saving large crane hook device.
[0022] Legend:
[0023] 1. Support frame; 2. Fixed frame; 3. Telescopic rod; 4. Slider; 5. Roller; 6. Connecting frame; 7. Motor; 8. First wheel hub; 9. First rope; 10. Hook group; 11. Second wheel hub; 12. Counterweight block; 13. Housing; 14. Hook block; 15. Round block; 16. Limit block; 17. Pressure rod; 18. First spring; 19. Hanging plate; 20. Second rope; 21. Balance beam; 22. Hanging rod; 23. Connecting rod; 24. Limiting groove; 25. Limiting rod; 26. First pulley; 27. Clamping rod; 28. Second spring; 29. Buckle; 30. Third spring; 31. Third rope; 32. Pulley hook. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Reference Figure 1 and Figure 2 The utility model provides an embodiment: an automatically adjustable, stable, labor-saving large crane hook device, comprising a support frame 1, a fixed frame 2 is fixedly connected to the upper surface of the support frame 1, a telescopic rod 3 is fixedly connected to the upper surface of the fixed frame 2, a slider 4 is fixedly connected to the output end of the telescopic rod 3, a roller 5 is rotatably connected to the inside of the slider 4, the roller 5 is slidably connected to the inside of the fixed frame 2, a connecting frame 6 is fixedly connected to the lower surface of the slider 4, a motor 7 is fixedly connected to the outer wall of the connecting frame 6, a first hub 8 is fixedly connected to the output end of the motor 7, a first rope 9 is provided on the outer wall of the first hub 8, a second hub 11 is slidably connected to the outer wall of the first rope 9, a counterweight 12 is rotatably connected to the outer wall of the second hub 11, and one end of the first rope 9 is fixedly connected to the lower surface of the connecting frame 6 The other end of the first rope 9 is fixedly connected with a hook group 10, and the hook group 10 includes a casing 13, and a hook block 14 is rotatably connected inside the casing 13, and a round block 15 is rotatably connected inside the hook block 14. A limit assembly is arranged inside the hook block 14, and the limit assembly includes a pressure rod 17, and the pressure rod 17 is rotatably connected to the inside of the hook block 14, and the outer wall of the pressure rod 17 is slidably connected to the limit block 16, and the limit block 16 is slidably connected to the inside of the hook block 14, and the limit block 16 is slidably connected to the inside of the round block 15. A first spring 18 is arranged inside the hook block 14, and one end of the first spring 18 is fixedly connected to the inside of the hook block 14, and the other end of the first spring 18 is fixedly connected to the upper surface of the limit block 16, and a hanging plate 19 is arranged inside the hook block 14 and the round block 15;
[0026] Specifically, the slider 4 is pushed by the telescopic rod 3, and the slider 4 drives the roller 5 to slide inside the fixed frame 2, thereby driving the connecting frame 6 to slide together, and the starting motor 7 drives the first hub 8 to rotate, and the hook group 10 is driven to rise and fall by the first rope 9. The counterweight block 12 plays a counterweight role in the lifting and lowering of the hook group 10, so as to achieve the effect of multi-angle adjustment. Pressing the pressure rod 17 can lift the limit block 16, so that the round block 15 can rotate an angle, and the hanging plate 19 is placed in the groove of the round block 15. Then the pressure rod 17 is released, and the limit block 16 is stuck in the inside of the round block 15 through the resetting effect of the first spring 18, so that the round block 15 is fixed to prevent the hanging plate 19 from falling. The hanging plate 19 can also be taken out by this method to disassemble the device.
[0027] Reference Figure 1 , Figure 3 and Figure 4 A second rope 20 is arranged inside the hanging plate 19, a balance beam 21 is arranged on the outer wall of the second rope 20, a hanging rod 22 is fixedly connected to the lower surface of the balance beam 21, a connecting rod 23 is rotatably connected to the inside of the hanging rod 22, a limiting groove 24 is arranged inside the hanging rod 22, a limiting rod 25 is fixedly connected to the inside of the balance beam 21, a first pulley 26 is slidably connected to the inside of the limiting rod 25, a clamping rod 27 is rotatably connected to the inside of the limiting rod 25, a second spring 28 is arranged inside the limiting rod 25, one end of the second spring 28 is fixedly connected to the inside of the limiting rod 25, and the other end of the second spring 28 is fixedly connected to the lower surface of the clamping rod 27;
[0028] Specifically, the four groups of second ropes 20 can balance the balance beam 21, and the four groups of hanging rods 22 fixed on the lower surface of the balance beam 21 can be used to hang objects. The objects can be hung on the inside of the hanging rod 22 by lifting the connecting rod 23, and the connecting rod 23 is loosened so that the connecting rod 23 is stuck in the limiting groove 24 to limit the position and prevent the objects from falling. The clamping rod 27 is pressed and the clamping rod 27 is rotated to open, so that the first pulley 26 can be placed inside the limiting rod 25, and then the clamping rod 27 is loosened, and the clamping rod 27 is stuck inside the limiting rod 25 by the reset effect of the second spring 28, so that the first pulley 26 is limited and fixed inside the limiting rod 25, so as to achieve the effect of easy disassembly and assembly.
[0029] Reference Figure 4 and Figure 5 The first pulley 26 is slidably connected with a buckle 29, the buckle 29 is slidably connected to the inside of the limiting rod 25, a third spring 30 is arranged inside the first pulley 26, one end of the third spring 30 is fixedly connected to the inside of the first pulley 26, the other end of the third spring 30 is fixedly connected to the outer wall of the buckle 29, a third rope 31 is arranged on the outer wall of the first pulley 26, and a pulley hook 32 is arranged on the outer wall of the third rope 31;
[0030] Specifically, the buckle 29 inside the first pulley 26 can be stuck in the inside of the limiting rod 25. When the first pulley 26 is pulled, the buckle 29 will be squeezed, thereby compressing the third spring 30. When the buckle 29 is stuck in the inside of the limiting rod 25, the third spring 30 will reset, which also facilitates disassembly and assembly. The pulley hook 32 can also be used to hang objects.
[0031] Working principle: when the crane hook device is needed, first hang the object inside the pulley hook 32 or inside the four groups of hanging rods 22, start the motor 7 to drive the first hub 8 to rotate, thereby driving the hook group 10 to rise and fall through the rotation of the first hub 8, and the counterweight block 12 plays the role of counterweight, further driving the hanging plate 19 to rise and fall, thereby driving the balance beam 21 to rise and fall, and finally achieving the effect of lifting the object, and then start the two telescopic rods 3, and push the slider 4 to slide through the two telescopic rods 3, thereby driving the connecting frame 6 to slide, further driving the movement of the object, and achieving the effect of multi-angle lifting and hoisting, by pressing the pressure rod 17, the limit block 16 can be lifted, and the hanging plate 19 can be taken out through the rotation of the round block 15, and a new device can be replaced or damaged parts can be repaired, and the round block 15 can be replaced. The groove is aligned with the groove of the hook block 14 and the hanging plate 19 is placed inside. By pulling the hanging plate 19, the round block 15 can be driven to rotate an angle, and the pressure rod 17 is released. The limit block 16 is clamped inside the round block 15 by the reset effect of the first spring 18, so as to facilitate the removal and replacement. If the first pulley 26 is worn, the clamping rod 27 can be pressed, and the elasticity of the second spring 28 can be used to rotate the clamping rod 27 and open it. The first pulley 26 is pulled, and the buckle 29 is squeezed to compress the third spring 30, so that it slides out of the inside of the limit rod 25, so as to facilitate disassembly. The first pulley 26 can be replaced or repaired, and then the repaired or replaced first pulley 26 is placed into the inside of the limit rod 25, the buckle 29 is clamped inside the limit rod 25, and then the clamping rod 27 is clamped inside the limit rod 25, so as to achieve the effect of double fixing.
[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic adjustable and stable labor-saving large crane hook device, comprising a support frame (1), characterized in that: The upper surface of the support frame (1) is fixedly connected to a fixing frame (2), the upper surface of the fixing frame (2) is fixedly connected to a telescopic rod (3), the output end of the telescopic rod (3) is fixedly connected to a slider (4), the interior of the slider (4) is rotatably connected to a roller (5), the roller (5) is slidably connected to the interior of the fixing frame (2), the lower surface of the slider (4) is fixedly connected to a connecting frame (6), the outer wall of the connecting frame (6) is fixedly connected to a motor (7), the output end of the motor (7) is fixedly connected to a first wheel hub (8), the outer wall of the first wheel hub (8) is provided with a first A rope (9), wherein the outer wall of the first rope (9) is slidably connected to a second hub (11), the outer wall of the second hub (11) is rotatably connected to a counterweight (12), one end of the first rope (9) is fixedly connected to the lower surface of a connecting frame (6), the other end of the first rope (9) is fixedly connected to a hook group (10), the hook group (10) comprises a casing (13), the interior of the casing (13) is rotatably connected to a hook block (14), the interior of the hook block (14) is rotatably connected to a round block (15), and a limit position component is arranged inside the hook block (14).
2. The automatic adjustment and stable labor-saving large crane hook device according to claim 1 is characterized in that: The limit assembly comprises a pressure rod (17), wherein the pressure rod (17) is rotatably connected to the inside of the hook block (14), the outer wall of the pressure rod (17) is slidably connected to the limit block (16), the limit block (16) is slidably connected to the inside of the hook block (14), the limit block (16) is slidably connected to the inside of the round block (15), a first spring (18) is arranged inside the hook block (14), one end of the first spring (18) is fixedly connected to the inside of the hook block (14), and the other end of the first spring (18) is fixedly connected to the upper surface of the limit block (16), and a hanging plate (19) is arranged inside the hook block (14) and the round block (15).
3. The automatic adjustment and stable labor-saving large crane hook device according to claim 2 is characterized in that: A second rope (20) is arranged inside the hanging plate (19), a balance beam (21) is arranged on the outer wall of the second rope (20), a hanging rod (22) is fixedly connected to the lower surface of the balance beam (21), a connecting rod (23) is rotatably connected inside the hanging rod (22), and a limiting groove (24) is arranged inside the hanging rod (22).
4. The automatic adjustment and stable labor-saving large crane hook device according to claim 3 is characterized in that: The balance beam (21) is fixedly connected to a limit rod (25) inside, the limit rod (25) is slidably connected to a first pulley (26) inside, the limit rod (25) is rotatably connected to a clamping rod (27) inside, and a second spring (28) is arranged inside the limit rod (25).
5. The automatic adjustment and stable labor-saving large crane hook device according to claim 4, characterized in that: One end of the second spring (28) is fixedly connected to the inside of the limiting rod (25), and the other end of the second spring (28) is fixedly connected to the lower surface of the clamping rod (27).
6. The automatic adjustment and stable labor-saving large crane hook device according to claim 4, characterized in that: A buckle (29) is slidably connected inside the first pulley (26), and the buckle (29) is slidably connected inside the limiting rod (25). A third spring (30) is arranged inside the first pulley (26).
7. The automatic adjustment and stable labor-saving large crane hook device according to claim 6, characterized in that: One end of the third spring (30) is fixedly connected to the inside of the first pulley (26), and the other end of the third spring (30) is fixedly connected to the outer wall of the buckle (29).
8. The automatic adjustment and stable labor-saving large crane hook device according to claim 4, characterized in that: A third rope (31) is arranged on the outer wall of the first pulley (26), and a pulley hook (32) is arranged on the outer wall of the third rope (31).