Square self-tightening lifting appliance
By designing a square self-tightening spreader and using the sliding connection structure of the guide tube and clamping arm assembly, the problem that existing spreaders cannot fix objects of different sizes is solved, and the stable fixation and efficient handling of goods of different specifications is achieved, and the hanging is improved. Practicality and operational efficiency.
Patent Information
- Application Number
- CN202421159303.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-27
AI Technical Summary
Existing spreaders can only be used for objects of the same specifications and sizes, and cannot effectively fix objects of different sizes or shapes, resulting in increased usage costs.
A square self-tightening spreader is designed, adopting a guide tube, clamping arm assembly, slide rail, connecting frame, limit hook and other structures. The clamping arm assembly position is fixed through the limit hook and slide inward through the rotary clamping arm assembly. Fix the goods, ensure that the fixture is open before aligning the goods, and improve the ability to clamp the goods.
The fixation of goods of different specifications and sizes is achieved, the practicality and operating efficiency of the spreader are improved, the need to replace the spreader is reduced, and the cost of use is reduced.
Smart Images

Figure CN222249746U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of slings, in particular to a square self-tightening sling. Background Art
[0002] A sling refers to a device or equipment used to lift, suspend or transport heavy objects. It is usually composed of hooks, slings, chains, beams, etc. It can bear weight and safely move objects from one location to another. It is often used in transportation operations in industry and construction.
[0003] The square self-tightening sling is a device used to hang or lift objects. It can automatically tighten when the heavy object is suspended, thereby ensuring that the object is firmly suspended in the air and is not easy to loosen or shake. It is often used to improve the safety and efficiency of operations.
[0004] Most of the slings currently available on the market can only fix objects of the same specifications and sizes during actual use. When moving objects of different sizes or shapes, the corresponding slings need to be replaced to operate, thereby increasing the use cost of the device. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a square self-tightening hanger, aiming to improve the problem that the hanger in the prior art can only fix objects of the same specifications and sizes.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a square self-tightening hanger, including a guide tube, the left and right sides of the guide tube are provided with clamping arm assemblies, the left and right sides of the outer wall of the guide tube are provided with sliding rails, the inner sides of the two sliding rails are slidably connected with connecting frames, the two connecting frames are rotatably connected, the front side of the front connecting frame is fixedly connected with a limiting hook, the bottom of the guide tube is fixedly connected with a baffle assembly, the inner side of the clamping arm assembly is fixedly connected with a third latch shaft, and the clamping arm assembly is fixedly connected to the guide tube through the third latch shaft.
[0007] As a further description of the above technical solution:
[0008] A flat washer is provided on the top of the clamp arm assembly, and first hexagonal bolts are threadedly connected around the top of the flat washer. The flat washer is fixedly connected to the clamp arm assembly through the first hexagonal bolts.
[0009] As a further description of the above technical solution:
[0010] A spring washer is arranged on the top of the baffle assembly, and second hexagonal bolts are arranged around the top of the spring washer. The spring washer is fixedly connected to the baffle assembly through the second hexagonal bolts.
[0011] As a further description of the above technical solution:
[0012] The outer side of the clamp arm assembly is rotatably connected with a U-shaped block, and the outer side of the U-shaped block is fixedly connected with a base.
[0013] As a further description of the above technical solution:
[0014] A handle is fixedly connected to the left side of the front end of the connecting frame on the front side.
[0015] As a further description of the above technical solution:
[0016] The top of the connecting frame is rotatably connected with a connecting rod.
[0017] As a further description of the above technical solution:
[0018] The bottom of the left connecting frame is rotatably connected to the second latch shaft, and the bottom of the right connecting frame is rotatably connected to the first latch shaft.
[0019] As a further description of the above technical solution:
[0020] The outer side of the clamp arm assembly is fixedly connected with a plurality of nylon nuts.
[0021] The utility model has the following beneficial effects:
[0022] 1. In the utility model, the clamp arm assembly position is fixed by fixing the limit hook, and then the clamp is moved to the position where the goods are required to be held, and the clamp arm assembly is rotated to slide inward to fix the goods, so that the clamp is always in an open state before aligning with the goods, and then the clamp is lifted to clamp the goods. After that, after the goods are transported to the designated position, the limit hook is lowered to loosen the clamp arm assembly to complete the transportation. Goods of different specifications and sizes can be fixed, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 A three-dimensional diagram of the square self-tightening sling proposed by the utility model;
[0024] Figure 2 This is a schematic diagram of the slide rail structure of the square self-tightening hanger proposed by the utility model;
[0025] Figure 3 This is a schematic diagram of the guide tube structure of the square self-tightening hanger proposed by the utility model;
[0026] Figure 4 This is a schematic diagram of the baffle assembly structure of the square self-tightening hanger proposed by the utility model;
[0027] Figure 5 The present invention is a schematic diagram of the handle structure of the square self-tightening hanger proposed by the utility model.
[0028] Legend:
[0029] 1. Connecting frame; 2. Slide rail; 3. Clamp arm assembly; 4. Baffle assembly; 5. Guide tube; 6. First latch shaft; 7. Second latch shaft; 8. Third latch shaft; 9. Limit hook; 10. First hexagonal bolt; 11. Flat washer; 12. Nylon nut; 13. Second hexagonal bolt; 14. Spring washer; 15. U-shaped block; 16. Base; 17. Connecting rod; 18. Handle. DETAILED DESCRIPTION
[0030] 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.
[0031] Reference Figure 1 , Figure 2 and Figure 3 The utility model provides an embodiment: a square self-tightening hanger, including a guide tube 5, a clamp arm assembly 3 is provided on the left and right sides of the guide tube 5, a slide rail 2 is provided on the left and right sides of the outer wall of the guide tube 5, a connecting frame 1 is slidably connected to the inner sides of the two slide rails 2, and the two connecting frames 1 are rotatably connected, and the front side of the front connecting frame 1 is fixedly connected to a limiting hook 9, the bottom of the guide tube 5 is fixedly connected to a baffle assembly 4, the inner side of the clamp arm assembly 3 is fixedly connected to a third latch shaft 8, and the clamp arm assembly 3 is fixedly connected to the guide tube 5 through the third latch shaft 8;
[0032] Specifically, the position of the clamp arm assembly 3 is fixed by the limit hook 9, and then the clamp is moved to the position where the goods need to be held, and the clamp arm assembly 3 is rotated to slide inward to fix the goods. This design ensures that the clamp is always in an open state before it is aligned with the goods. Then, the clamp can be lifted to clamp the goods. After the goods are transported to the specified position, the limit hook 9 is lowered to release the clamp arm assembly 3 to complete the transportation process. This device can be suitable for goods of different specifications and sizes, thereby improving its practicality.
[0033] Reference Figure 2 , Figure 4 and Figure 5A flat washer 11 is provided on the top of the clamp arm assembly 3, and first hexagonal bolts 10 are threadedly connected to the top of the flat washer 11. The flat washer 11 is fixedly connected to the clamp arm assembly 3 through the first hexagonal bolts 10; a spring washer 14 is provided on the top of the baffle assembly 4, and second hexagonal bolts 13 are provided on the top of the spring washer 14. The spring washer 14 is fixedly connected to the baffle assembly 4 through the second hexagonal bolts 13;
[0034] Specifically, the flat washer 11 can be fixed by the first hexagonal bolt 10 , and the protective capability of the clamp arm assembly 3 can be improved by the flat washer 11 . The spring washer 14 and the baffle assembly 4 can be easily fixed by the second hexagonal bolt 13 .
[0035] Reference Figure 2 , Figure 3 and Figure 4 The outer side of the clamp arm assembly 3 is rotatably connected to a U-shaped block 15, and the outer side of the U-shaped block 15 is fixedly connected to a base 16; the front left side of the front end of the connecting frame 1 is fixedly connected to a handle 18;
[0036] Specifically, by rotating the base 16 through the U-shaped block 15 , the stability of clamping can be improved through the base 16 during clamping, and the rotation of the connecting frame 1 can be manually adjusted through the handle 18 .
[0037] Reference Figure 1 , Figure 2 and Figure 5 The top of the connecting frame 1 is rotatably connected to a connecting rod 17; the bottom of the left connecting frame 1 is rotatably connected to a second latch shaft 7, and the bottom of the right connecting frame 1 is rotatably connected to a first latch shaft 6; the outer side of the clamp arm assembly 3 is fixedly connected to a plurality of nylon nuts 12;
[0038] Specifically, the device can be easily installed and fixed by the connecting rod 17, and the connecting frame 1 can be easily replaced and fixed by the first latch shaft 6 and the second latch shaft 7.
[0039] Working principle: Before using the device, first ensure that the clamp arm assembly 3 is in a fixed position by fixing the limit hook 9, then move the clamp to the desired cargo position, rotate the clamp arm assembly 3 to slide it inward to fix the cargo. This design ensures that the clamp remains open before it is aligned with the cargo. Then, lift the clamp to clamp the cargo. After moving the cargo to the specified position, lower the limit hook 9 to release the clamp arm assembly 3 to complete the handling process. This device can be suitable for cargo of different specifications and sizes, thereby improving the practicality of the device.
[0040] 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. A square self-tightening hanger, comprising a guide tube (5), characterized in that: The left and right sides of the guide tube (5) are both provided with clamp arm assemblies (3), the left and right sides of the outer wall of the guide tube (5) are both provided with slide rails (2), the inner sides of the two slide rails (2) are slidably connected with a connecting frame (1), the two connecting frames (1) are rotatably connected, the front side of the front connecting frame (1) is fixedly connected with a limiting hook (9), the bottom of the guide tube (5) is fixedly connected with a baffle assembly (4), the inner side of the clamp arm assembly (3) is fixedly connected with a third latch shaft (8), and the clamp arm assembly (3) is fixedly connected to the guide tube (5) through the third latch shaft (8).
2. The square self-tightening hanger according to claim 1 is characterized in that: A flat washer (11) is provided on the top of the clamp arm assembly (3), and first hexagonal bolts (10) are threadedly connected around the top of the flat washer (11), and the flat washer (11) is fixedly connected to the clamp arm assembly (3) via the first hexagonal bolts (10).
3. The square self-tightening hanger according to claim 1 is characterized in that: A spring washer (14) is arranged on the top of the baffle assembly (4), and second hexagonal bolts (13) are arranged around the top of the spring washer (14). The spring washer (14) is fixedly connected to the baffle assembly (4) via the second hexagonal bolts (13).
4. The square self-tightening hanger according to claim 1 is characterized in that: The outer side of the clamp arm assembly (3) is rotatably connected to a U-shaped block (15), and the outer side of the U-shaped block (15) is fixedly connected to a base (16).
5. The square self-tightening hanger according to claim 1 is characterized in that: A handle (18) is fixedly connected to the left side of the front end of the front connecting frame (1).
6. The square self-tightening hanger according to claim 1, characterized in that: The top of the connecting frame (1) is rotatably connected to a connecting rod (17).
7. The square self-tightening hanger according to claim 1, characterized in that: The bottom of the left connecting frame (1) is rotatably connected to a second latch shaft (7), and the bottom of the right connecting frame (1) is rotatably connected to a first latch shaft (6).
8. The square self-tightening hanger according to claim 1, characterized in that: A plurality of nylon nuts (12) are fixedly connected to the outer side of the clamp arm assembly (3).
