Flat lifting eye sling
Patent Information
- Application Number
- CN202522596707.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-08
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-12-08
AI Technical Summary
[0003]现有的扁平吊环吊装带在使用时对承载端的固定效果不佳,影响承载端的使用强度,无法保证吊环使用的稳定性,且在长期使用过程中对承载端的防护效果不佳,导致吊带使用性能不足
1、本实用新型通过设置限位咬合组件,齿板一和齿板二内部错位的齿牙对吊带承载端进行咬合固定,保证吊带承载端固定的稳定性,且设置有抵接块抵接在六角螺栓的一侧对其进行抵接限位,防止六角螺栓在使用过程中出现松脱的情况,保证六角螺栓使用的稳定性,磁铁块卡入把手内部的开槽中并对把手进行吸合固定,使得两块抵接块不会受力移动,提高抵接块的安装强度。
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Figure CN224858063U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of flat lifting slings, specifically relating to a flat lifting ring sling. Background Technology
[0002] Flat lifting slings are industrial lifting slings made from synthetic fibers such as polyester, nylon, and polypropylene. They are available in single-layer, double-layer, and four-layer structures and are widely used in ports, chemical plants, and steel mills. This product utilizes a multi-stitching process to achieve a wide load-bearing surface and pressure distribution. The surface can be fitted with abrasion-resistant or cut-resistant protective sleeves, and the load-bearing capacity is indicated by international standard colors. They are lightweight, flexible, corrosion-resistant, anti-static, and have low elongation, making them suitable for environments from -40℃ to 100℃. Materials are available in general, fire-resistant, and acid-resistant series depending on the application; polyester and polypropylene provide acid and alkali resistance and moisture resistance, respectively. Before use, check for integrity and avoid twisting, overloading, and contact with sharp objects to ensure lifting safety.
[0003] Existing flat lifting slings do not provide adequate fixation to the load-bearing end during use, affecting the strength of the load-bearing end and failing to guarantee the stability of the lifting sling. Furthermore, they do not provide adequate protection to the load-bearing end during long-term use, resulting in insufficient performance of the sling. Utility Model Content
[0004] To address the problems mentioned in the background section, this invention provides a flat lifting ring sling that is stable in use and has a long service life.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a flat lifting ring sling, comprising a flat sling body, wherein a sling label is provided on the surface of the flat sling body, and sling bearing ends are connected to both ends of the flat sling body, and a limit engagement component is installed on the surface of the sling bearing end; The limiting engagement assembly includes a toothed plate one, which is fitted and installed on one side of the sling bearing end. A limiting device is provided on the surface of the toothed plate one. A toothed plate two is provided on the side of the sling bearing end away from the toothed plate one. The toothed plate one and the toothed plate two are connected by fastening bolts. A hexagonal bolt is provided on one side of the toothed plate one corresponding to the fastening bolt.
[0006] Preferably, the teeth on the surfaces of the first and second toothed plates are misaligned.
[0007] Preferably, the limiting device includes a guide frame, which is fixed in the middle of the surface of the toothed plate. An intermediate block is fixed in the middle of the inside of the guide frame. Limiting springs are symmetrically connected to the surface of the intermediate block, and one end of the limiting spring is connected to an abutment block.
[0008] Preferably, two abutment blocks are symmetrically arranged inside the guide frame, one abutment block has a handle movably connected to its upper end, and the other abutment block has a magnet movably connected to its upper end.
[0009] Preferably, the guide frame has a limiting groove inside corresponding to the magnet block and the handle, and the end of the handle near the magnet block is set as a U-shaped structure.
[0010] Preferably, the sling bearing end includes a polyester fiber sling body, which is fixedly connected to both ends of the flat sling body. The inner surface of the polyester fiber sling body is provided with a polyurethane protective layer, and the inner surface of the polyurethane protective layer is provided with a high-density polyester fiber wear-resistant layer.
[0011] Preferably, the outer surface of the polyester fiber suspender body is provided with a polypropylene protective layer, and the outer surface of the polypropylene protective layer is provided with an EVA waterproof layer.
[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model uses a limiting engagement component. The misaligned teeth inside the toothed plates 1 and 2 engage and fix the bearing end of the sling, ensuring the stability of the bearing end. An abutment block is provided to abut against one side of the hexagonal bolt to limit its movement and prevent it from loosening during use, thus ensuring the stability of the hexagonal bolt. A magnetic block is inserted into the slot inside the handle and attracts and fixes the handle, preventing the two abutment blocks from moving under force and improving the installation strength of the abutment blocks.
[0013] 2. This utility model protects the polypropylene protective layer by setting an EVA waterproof layer, preventing external humid air from corroding it. At the same time, the polypropylene protective layer strengthens the protection of the polyester fiber sling body and improves its strength. The polyurethane protective layer and high-density polyester fiber wear-resistant layer set inside the polyester fiber sling body are used to improve the contact and support effect of the lifting ring, ensure wear resistance, and reduce the probability of breakage. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the limiting engagement component structure of this utility model; Figure 3 This is a schematic diagram of the limiting device structure of this utility model; Figure 4 This is a schematic diagram of the load-bearing end structure of the sling of this utility model.
[0015] In the diagram: 1. Shoulder bearing end; 11. EVA waterproof layer; 12. Polypropylene protective layer; 13. Polyester fiber shoulder body; 14. Polyurethane protective layer; 15. High-density polyester fiber wear-resistant layer; 2. Limiting engagement assembly; 21. Limiting device; 211. Magnet block; 212. Handle; 213. Guide frame; 214. Abutment block; 215. Intermediate block; 216. Limiting spring; 22. Hex bolt; 23. Toothed plate one; 24. Fastening bolt; 25. Toothed plate two; 3. Flat shoulder body; 4. Shoulder label. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Example 1: Please see Figure 1-4 The present invention provides the following technical solution: a flat lifting ring sling, including a flat sling body 3, a sling label 4 on the surface of the flat sling body 3, sling bearing ends 1 connected to both ends of the flat sling body 3, and a limit engagement component 2 installed on the surface of the sling bearing ends 1; The limiting engagement assembly 2 includes a toothed plate 23, which is fitted to one side of the sling bearing end 1. A limiting device 21 is provided on the surface of the toothed plate 23. A toothed plate 25 is provided on the side of the sling bearing end 1 away from the toothed plate 23. The toothed plate 23 and the toothed plate 25 are connected by a fastening bolt 24. A hexagonal bolt 22 is provided on one side of the toothed plate 23 corresponding to the fastening bolt 24.
[0018] Specifically, the teeth on the surfaces of toothed plate 23 and toothed plate 25 are misaligned.
[0019] By adopting the above technical solution, the meshing quality of toothed plate 23 and toothed plate 25 with the bearing end 1 of the sling is improved, and the meshing strength is guaranteed.
[0020] Specifically, the limiting device 21 includes a guide frame 213, which is fixed in the middle of the surface of the toothed plate 23. An intermediate block 215 is fixed in the middle of the inside of the guide frame 213. Limiting springs 216 are symmetrically connected to the surface of the intermediate block 215. One end of the limiting spring 216 is connected to an abutment block 214.
[0021] By adopting the above technical solution, when the hexagonal bolt 22 is tightened, the magnet block 211 and the handle 212 are pulled to drive the abutment block 214 into the guide frame 213, preventing obstruction to the hexagonal bolt 22. After the hexagonal bolt 22 is installed, the magnet block 211 and the handle 212 are released to allow the limit spring 216 to return to its original position. The limit spring 216 pushes the abutment block 214 to abut against one side of the hexagonal bolt 22 to limit its movement, preventing the hexagonal bolt 22 from loosening during use and ensuring the stability of the hexagonal bolt 22 in use.
[0022] Specifically, two abutment blocks 214 are symmetrically arranged inside the guide frame 213. One abutment block 214 has a handle 212 movably connected to its upper end, and the other abutment block 214 has a magnet block 211 movably connected to its upper end.
[0023] By adopting the above technical solution, the magnet 211 and handle 212 are rotated and placed flat. At this time, the magnet 211 is inserted into the slot inside the handle 212 and the handle 212 is attracted and fixed, so that the two abutment blocks 214 will not move under force, thereby improving the installation strength of the abutment blocks 214.
[0024] Specifically, the guide frame 213 has a limiting groove inside corresponding to the magnet block 211 and the handle 212, and the end of the handle 212 near the magnet block 211 is set as a U-shaped structure.
[0025] By adopting the above technical solution, the assembly stability of the handle 212 and the magnet block 211 is guaranteed, thereby improving the quality of equipment use.
[0026] In this embodiment, when using the flat sling body 3, one end of the sling bearing end 1 is bent and then fixed. The toothed plate 23 is attached to the surface of the sling bearing end 1. Then, the fastening bolt 24 is passed through the toothed plate 25 and the toothed plate 25 is attached to the surface of the flat sling body 3 so that the fastening bolt 24 corresponds to the opening inside the toothed plate 23. At the same time, the toothed plate 23 and the toothed plate 25 are pressed to pass the fastening bolt 24 through the inside of the toothed plate 23. Then, the hexagonal bolt 22 is used to tighten and fix the fastening bolt 24, so that the misaligned teeth inside the toothed plate 23 and the toothed plate 25 can bite and fix the sling bearing end 1. When tightening the hex bolt 22, pull the magnet block 211 and handle 212 respectively to drive the abutment block 214 into the guide frame 213 to prevent obstruction of the hex bolt 22. After the hex bolt 22 is installed, release the magnet block 211 and handle 212 to reset the limit spring 216. The limit spring 216 pushes the abutment block 214 to abut against one side of the hex bolt 22 to limit its movement and prevent the hex bolt 22 from loosening during use, thus ensuring the stability of the hex bolt 22 in use. Then rotate the magnet 211 and the handle 212 to lay them flat. At this time, the magnet 211 is inserted into the slot inside the handle 212 and attracts and fixes the handle 212, so that the two abutment blocks 214 will not move under force, thus improving the installation strength of the abutment blocks 214.
[0027] Example 2: The difference between this embodiment and embodiment 1 is that, specifically, the sling bearing end 1 includes a polyester fiber sling body 13, the polyester fiber sling body 13 is fixedly connected to both ends of the flat sling body 3, the inner surface of the polyester fiber sling body 13 is provided with a polyurethane protective layer 14, and the inner surface of the polyurethane protective layer 14 is provided with a high-density polyester fiber wear-resistant layer 15.
[0028] By adopting the above technical solution, when the flat sling body 3 is in use, the EVA waterproof layer 11 can protect the polypropylene protective layer 12, preventing external humid air from corroding it. At the same time, the polypropylene protective layer 12 strengthens the protection of the polyester fiber sling body 13 and improves its strength.
[0029] Specifically, the outer surface of the polyester fiber suspender body 13 is provided with a polypropylene protective layer 12, and the outer surface of the polypropylene protective layer 12 is provided with an EVA waterproof layer 11.
[0030] By adopting the above technical solution, the polyurethane protective layer 14 and the high-density polyester fiber wear-resistant layer 15 set inside the polyester fiber sling body 13 are used to improve the contact and support effect on the lifting ring, ensure wear resistance, and reduce the probability of breakage.
[0031] In this embodiment, when the flat sling body 3 is in use, the EVA waterproof layer 11 can protect the polypropylene protective layer 12, preventing external humid air from corroding it. At the same time, the polypropylene protective layer 12 strengthens the protection of the polyester fiber sling body 13 and improves its strength. The polyurethane protective layer 14 and the high-density polyester fiber wear-resistant layer 15 set inside the polyester fiber sling body 13 are used to improve the contact and support effect of the lifting ring, ensure wear resistance, and reduce the probability of breakage.
[0032] The working principle and usage process of this utility model are as follows: When using this utility model, one end of the sling bearing end 1 is bent and then fixed. The toothed plate 23 is attached to the surface of the sling bearing end 1. Then, the fastening bolt 24 is passed through the toothed plate 25 and attached to the surface of the flat sling body 3 so that the fastening bolt 24 corresponds to the opening inside the toothed plate 23. At the same time, the toothed plate 23 and the toothed plate 25 are pressed to pass the fastening bolt 24 through the inside of the toothed plate 23. Then, the hexagonal bolt 22 is used to tighten and fix the fastening bolt 24, so that the misaligned teeth inside the toothed plate 23 and the toothed plate 25 can bite and fix the sling bearing end 1. When tightening the hex bolt 22, pull the magnet block 211 and handle 212 respectively to drive the abutment block 214 into the guide frame 213 to prevent obstruction of the hex bolt 22. After the hex bolt 22 is installed, release the magnet block 211 and handle 212 to reset the limit spring 216. The limit spring 216 pushes the abutment block 214 to abut against one side of the hex bolt 22 to limit its movement and prevent the hex bolt 22 from loosening during use, thus ensuring the stability of the hex bolt 22 in use. Then rotate the magnet 211 and the handle 212 to lay them flat. At this time, the magnet 211 is inserted into the slot inside the handle 212 and attracts and fixes the handle 212, so that the two abutment blocks 214 will not move under force, thus improving the installation strength of the abutment blocks 214. When the flat sling body 3 is in use, the EVA waterproof layer 11 can protect the polypropylene protective layer 12 and prevent external humid air from corroding it. At the same time, the polypropylene protective layer 12 strengthens the protection of the polyester fiber sling body 13 and improves its strength. The polyurethane protective layer 14 and the high-density polyester fiber wear-resistant layer 15 set inside the polyester fiber sling body 13 are used to improve the contact and support effect of the lifting ring, ensure wear resistance, and reduce the probability of breakage.
[0033] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A flat lifting sling, comprising a flat sling body (3), characterized in that: The surface of the flat sling body (3) is provided with a sling label (4), and the two ends of the flat sling body (3) are connected to sling bearing ends (1). The surface of the sling bearing ends (1) is equipped with a limit engagement component (2). The limiting engagement assembly (2) includes a toothed plate (23), which is fitted to one side of the sling bearing end (1). A limiting device (21) is provided on the surface of the toothed plate (23). A toothed plate (25) is provided on the side of the sling bearing end (1) away from the toothed plate (23). The toothed plate (23) and the toothed plate (25) are connected by a fastening bolt (24). A hexagonal bolt (22) is provided on one side of the toothed plate (23) corresponding to the fastening bolt (24).
2. The flat lifting ring sling according to claim 1, characterized in that: The teeth on the surfaces of the first tooth plate (23) and the second tooth plate (25) are misaligned.
3. A flat lifting ring sling according to claim 1, characterized in that: The limiting device (21) includes a guide frame (213), which is fixed in the middle of the surface of the toothed plate (23). A middle block (215) is fixed in the middle of the inside of the guide frame (213). A limiting spring (216) is symmetrically connected to the surface of the middle block (215). One end of the limiting spring (216) is connected to an abutment block (214).
4. A flat lifting ring sling according to claim 3, characterized in that: Two abutment blocks (214) are symmetrically arranged inside the guide frame (213). One abutment block (214) has a handle (212) movably connected to its upper end, and the other abutment block (214) has a magnet block (211) movably connected to its upper end.
5. A flat lifting ring sling according to claim 3, characterized in that: The guide frame (213) has a limiting groove inside corresponding to the magnet block (211) and the handle (212), and the end of the handle (212) near the magnet block (211) is set as a U-shaped structure.
6. A flat lifting ring sling according to claim 1, characterized in that: The sling bearing end (1) includes a polyester fiber sling body (13), which is fixedly connected to both ends of the flat sling body (3). The inner surface of the polyester fiber sling body (13) is provided with a polyurethane protective layer (14), and the inner surface of the polyurethane protective layer (14) is provided with a high-density polyester fiber wear-resistant layer (15).
7. A flat lifting ring sling according to claim 6, characterized in that: The outer surface of the polyester fiber sling body (13) is provided with a polypropylene protective layer (12), and the outer surface of the polypropylene protective layer (12) is provided with an EVA waterproof layer (11).