Combined lifting belt

Abstract

The utility model discloses a combined lifting belt, which relates to the technical field of lifting belts and comprises a plurality of groups of lifting belt bodies, and splicing mechanisms are arranged among the inner sides of the lifting belt bodies. By the adoption of the structure, the splicing mechanism, the adjusting assembly and the limiting assembly are arranged, so that the device has many use advantages. In the splicing mechanism, an inserting frame is inserted into a sleeving frame body, clamping actions of a limiting arm, a limiting pin and the like are achieved through cooperation of parts such as a limiting spring and a clamping spring, clamping of a plurality of lifting belt bodies can be assisted, and use is convenient; through linkage of components such as the guide blocks and the guide arms, the limiting arms move outwards, then the lifting frame is moved, all the components can be separated, the lifting belt body can be rapidly disassembled, assembled and separated, and the overall disassembling and assembling convenience of the device is improved.

Description

Technical Field

[0001] This utility model belongs to the field of lifting sling technology, and specifically relates to a combined lifting sling. Background Technology

[0002] Lifting slings are flexible lifting tools widely used in many industries. They are typically made of high-strength fiber materials such as polyester, nylon, and aramid fibers. Lifting slings come in various shapes, with flat and round being the most common. Flat lifting slings are suitable for lifting heavy objects with a large bearing area, as they better distribute pressure. Round lifting slings are advantageous when lifting irregularly shaped objects, offering good wrapping and gripping performance. Compared to traditional lifting tools such as metal chains and wire ropes, lifting slings are softer and less likely to scratch the surface of the object being lifted. They are particularly suitable for lifting precision equipment and fragile items. Lifting slings are also lightweight, easy to operate, and easy to carry and store. They play a vital role in heavy lifting, equipment installation, and cargo handling in industries such as construction, logistics, ports, and mining.

[0003] Chinese patent publication number "CN203392723U" discloses a lifting sling, which includes a load-bearing belt made of flat webbing stitched together. The load-bearing belt has lifting rings formed by webbing at both ends. A label containing various information about the use of the load-bearing belt is attached to the load-bearing belt. A plastic film is fitted over the outer surface of the label. This lifting sling has the following advantages: it extends the service life under the same conditions; the plastic protective film on the outer surface of the label, sewn together with the label onto the lifting sling, effectively avoids the problem of illegible text on the label due to oxidation or other factors, allowing users to clearly distinguish the usage conditions of the lifting sling and preventing misuse; and it effectively prevents losses caused by sudden breakage of the lifting sling due to overload.

[0004] The aforementioned lifting slings feature a one-piece design. However, this one-piece structure has limitations in practical use. Its overall length is fixed, meaning it lacks sufficient flexibility when facing different lifting needs. For example, when extending the sling to accommodate larger loads, the only option is usually to replace the entire sling, increasing costs and wasting time and effort. Clearly, the lack of a corresponding splicing and extension structure makes it difficult to adapt to different load sizes, undoubtedly causing inconvenience and reducing work efficiency. Therefore, improving the slings to better meet various lifting needs and enhance their practicality and applicability is an urgent priority. Utility Model Content

[0005] In view of the problems mentioned in the background art, the purpose of this utility model is to provide a modular lifting sling to solve the problem that it is inconvenient to quickly and flexibly combine and adjust the existing technology during application.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] A modular lifting sling includes a lifting sling body, which is configured as multiple sets. Each set of the lifting sling body has a splicing mechanism between its inner sides, and the inner sides of the lifting sling bodies are spliced ​​and installed together through the splicing mechanisms.

[0008] The splicing mechanism includes a sleeve frame and a plug-in frame. The sleeve frame is connected to the bottom of the lifting sling body, and the plug-in frame is fixedly connected to the top of the lifting sling body. The plug-in frame is inserted into the inside of the sleeve frame. An elastic component is provided at the upper inside of the sleeve frame. An adjustment component is provided at the upper front of the sleeve frame, and a limiting component is provided at the upper back of the sleeve frame.

[0009] As a preferred technical solution, the elastic component includes a semi-circular sleeve, which is fixedly connected to the upper end of the sleeve body. Both ends of the semi-circular sleeve are fixedly connected to limit springs. A circular slider is fixedly connected to the outer end of the limit spring. A limit arm is fixedly connected to the bottom of the circular slider. The plug-in bracket is snapped into the inner side of the limit arm.

[0010] As a preferred technical solution, the upper end of the connector is provided with limiting grooves on both sides, the limiting arm is generally configured in a hook shape, and the hook-shaped inner end of the limiting arm is engaged with the limiting groove.

[0011] As a preferred technical solution, the adjustment component includes a guide arm and a guide block. The guide block is rotatably connected to the center of the front of the sleeve frame. The guide arm is fixedly connected to the front of the circular slider and the guide block. The inner end of the guide arm and the outer side of the guide block are fitted together. The outer end of the guide arm is generally arc-shaped, and the overall shape of the guide block is elliptical.

[0012] As a preferred technical solution, an adjustment knob is fixedly connected to the front of the guide block, and the inner side of the adjustment knob is arranged in a cross shape on the front.

[0013] As a preferred technical solution, the limiting component includes a fixed frame and a snap-fit ​​arm. The fixed frame is fixedly connected to the top of the sleeve frame, and the snap-fit ​​arm is fixedly connected to both sides of the back of the circular slider. A limiting hole is opened at the inner end of the snap-fit ​​arm. A snap-fit ​​spring is fixedly connected inside the fixed frame, and a snap-fit ​​arm is fixedly connected to the outer end of the snap-fit ​​spring. Limiting pins are opened on both sides of the lower back of the snap-fit ​​arm, and the ends of the limiting pins are inserted into the inner side of the limiting hole.

[0014] As a preferred technical solution, a connecting rod is fixedly connected to the top of the topmost lifting sling body, and a lifting ring is fixedly connected to the top of the connecting rod.

[0015] In summary, the present invention has the following main advantages:

[0016] First, by setting up a splicing mechanism, the device can insert the plug-in frame into the sleeve frame during actual use. During this process, the limit spring will quickly reset and drive the circular slider to move inward. As the circular slider moves inward, the limit arm will also move inward accordingly. At this time, the limit arm can be accurately inserted into the limit groove. The auxiliary interlocking positioning function between the limit arm and the limit groove can effectively lock the plug-in frame into the internal groove of the sleeve frame. At the same time, through the reset action of the locking spring, the locking arm will move inward. The movement of the locking arm will drive the limit pin to be inserted into the limit hole. Through the locking of the limit pin and the limit hole, the limit arm can be firmly fixed. In this way, multiple lifting sling bodies can be locked inward, which greatly facilitates the use of this device.

[0017] Secondly, by setting adjustment and limiting components, if it is necessary to disassemble the lifting sling body during use, this can be achieved by turning the adjustment knob. As the adjustment knob is turned, the guide block will also rotate. When the guide block contacts the inclined surface of the guide arm, since the guide block is elliptical, it will squeeze and resist the guide arm to move outward during its rotation. The outward movement of the guide arm will drive the circular slider to move outward. After the circular slider moves outward, the limiting arm at its bottom will also move outward. At this time, if the lifting frame is moved upward, the insertion frame can be separated from the limiting arm inside the sleeve frame. The limiting arm and the limiting inclined groove on the lifting frame are separated from each other, which can help to quickly disassemble and separate the lifting sling bodies. This design improves the overall ease of disassembly and assembly of the device and brings great convenience to users in actual operation. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0020] Figure 3 This is a utility model Figure 1 A magnified structural diagram at point A;

[0021] Figure 4 This is a utility model Figure 2 A magnified structural diagram at point B.

[0022] Reference numerals in the attached drawings: 1. Lifting sling body; 2. Splicing mechanism; 21. Sleeve frame; 22. Insertion frame; 23. Elastic component; 231. Semi-circular sleeve; 232. Limiting spring; 233. Circular slider; 234. Limiting arm; 235. Limiting groove; 24. Adjusting component; 241. Guide arm; 242. Guide block; 243. Adjusting knob; 25. Limiting component; 251. Fixing frame; 252. Snap-fit ​​arm; 253. Limiting hole; 254. Snap-fit ​​spring; 255. Snap-fit ​​arm; 256. Limiting pin; 3. Connecting rod; 4. Lifting ring. Detailed Implementation

[0023] Example

[0024] refer to Figures 1 to 4 This embodiment of a combined lifting sling includes a lifting sling body 1, which is configured as multiple sets. Each lifting sling body 1 is provided with a splicing mechanism 2 on its inner side, and the inner sides of the lifting sling body 1 are spliced ​​and installed together through the splicing mechanism 2.

[0025] The splicing mechanism 2 includes a sleeve frame 21 and a connector 22. The sleeve frame 21 is connected to the bottom of the lifting sling body 1, and the connector 22 is fixedly connected to the top of the lifting sling body 1. The connector 22 is inserted into the sleeve frame 21. An elastic component 23 is provided at the upper end of the sleeve frame 21. An adjustment component 24 is provided at the upper end of the front of the sleeve frame 21, and a limiting component 25 is provided at the upper end of the back of the sleeve frame 21. The splicing mechanism 2 enables mutual splicing and installation, greatly improving the flexibility of use. The sleeve frame 21 and the connector 22 in the splicing mechanism 2 are respectively connected to different lifting sling bodies 1, facilitating quick splicing. The elastic component 23 at the upper end of the sleeve frame 21 ensures the firmness of the splicing, while the adjustment component 24 and the limiting component 25 further enhance the stability and operability of the splicing. In actual use, the lifting sling body 1 can be flexibly combined according to different lifting needs to adapt to the lifting of goods of various sizes, improving the applicability and convenience of the lifting sling.

[0026] refer to Figures 1-4The elastic component 23 includes a semi-circular sleeve 231, which is fixedly connected to the upper end of the sleeve frame 21. Limiting springs 232 are fixedly connected to both ends of the semi-circular sleeve 231. A circular slider 233 is fixedly connected to the outer end of each limiting spring 232. A limiting arm 234 is fixedly connected to the bottom of the circular slider 233. A connector 22 is snapped into the inner side of the limiting arm 234. Limiting grooves 235 are formed on both sides of the upper end of the connector 22. The limiting arm 234 is generally hook-shaped, and its hook-shaped inner end is snapped into the limiting groove 235. The semi-circular sleeve 231 in the elastic component 23 is fixed to the upper end of the sleeve frame 21, providing stable support for the internal structure. The limiting springs 232 at both ends of the semi-circular sleeve 231 play a key role. When the plug-in frame 22 is inserted, the limiting springs 232 push the circular slider 233, causing the hook-shaped limiting arm 234 fixedly connected at the bottom to move inward. The hook-shaped inner end of the limiting arm 234 engages with the limiting grooves 235 on both sides of the upper end of the plug-in frame 22, ensuring that the plug-in frame 22 is firmly installed in the sleeve frame 21. This design makes the lifting sling more stable and reliable during splicing, able to withstand greater tension, and ensures the safety of the lifting process. At the same time, the presence of the elastic component 23 also provides a certain buffer for the splicing of the lifting sling, reduces stress concentration at the splicing point, and extends the service life of the lifting sling.

[0027] refer to Figure 3 The adjustment assembly 24 includes a guide arm 241 and a guide block 242. The guide block 242 is rotatably connected to the center of the front of the sleeve frame 21. The guide arm 241 is fixedly connected to the front of the circular slider 233 and the front of the guide block 242. The inner end of the guide arm 241 and the outer end of the guide block 242 are fitted together. The outer end of the guide arm 241 is generally arc-shaped. The guide block 242 is generally elliptical. An adjustment knob 243 is fixedly connected to the front of the guide block 242. The inner side of the adjustment knob 243 is generally cross-shaped. The guide block 242 in the adjustment assembly 24 is elliptical and rotatably connected to the center of the front of the sleeve frame 21. The inner side of the adjustment knob 243 is shaped like a cross for easy operation. The guide arm 241 is fixedly connected to the front of the circular slider 233, and its inner end is attached to the outer side of the guide block 242. The outer end is arc-shaped. When the adjustment knob 243 is rotated, the guide block 242 is rotated. Due to the special elliptical shape of the guide block 242, it can press against the guide arm 241 during rotation. This design allows for precise adjustment of the guide arm 241 and the connected circular slider 233 by precisely controlling the adjustment knob 243 when the state of the lifting sling needs to be adjusted. This facilitates the splicing and disassembly of the lifting sling, improving the ease of use and flexibility of the device.

[0028] refer to Figure 4The limiting component 25 includes a fixed frame 251 and a snap-fit ​​arm 252. The fixed frame 251 is fixedly connected to the top of the sleeve frame 21, and the snap-fit ​​arm 252 is fixedly connected to both sides of the back of the circular slider 233. A limiting hole 253 is provided at the inner end of the snap-fit ​​arm 252. A snap-fit ​​spring 254 is fixedly connected inside the fixed frame 251, and a snap-fit ​​arm 255 is fixedly connected to the outer end of the snap-fit ​​spring 254. Limiting pins 256 are provided on both sides of the lower back of the snap-fit ​​arm 255, and the ends of the limiting pins 256 are inserted into the inner side of the limiting hole 253. A connecting rod 3 is fixedly connected to the top of the topmost lifting belt body 1, and a lifting ring 4 is fixedly connected to the top of the connecting rod 3. The fixed frame 251 in the limiting component 25 is fixed to the top of the sleeve frame 21, providing stable support for the internal structure. The connecting arm 252 is fixedly connected to both sides of the back of the circular slider 233. When the circular slider 233 moves, the connecting arm 252 moves accordingly. The connecting spring 254 in the fixed frame 251 is connected to the clamping arm 255, providing elastic restoring force for the clamping arm 255. The limiting hole 253 at the inner end of the connecting arm 252 cooperates with the limiting pins 256 on both sides of the lower back of the clamping arm 255. When the connecting spring 254 pushes the clamping arm 255, the limiting pins 256 are inserted into the inner side of the limiting hole 253, thereby limiting and fixing the circular slider 233 and related components, ensuring the stability of the lifting sling in the spliced ​​state. The connecting rod 3 and the lifting ring 4 at the top of the top lifting sling body 1 facilitate connection with the lifting equipment. The overall design makes the lifting sling safer and more reliable during use, and easier to operate and adjust.

[0029] Operating principle and advantages: By setting up the splicing mechanism 2, the device can insert the plug-in bracket 22 into the sleeve body 21 during actual use. During this process, the limiting spring 232 will quickly return to its original position and drive the circular slider 233 to move inward. As the circular slider 233 moves inward, the limiting arm 234 will also move inward accordingly. At this time, the limiting arm 234 can be accurately inserted into the limiting groove 235, and the limiting arm 234 and the limiting groove 235 are mutually engaged. The positioning function can effectively snap the connector 22 into the internal groove of the sleeve frame 21. At the same time, through the reset action of the snap spring 254, the snap arm 255 will move inward. The movement of the snap arm 255 will drive the limit pin 256 to insert into the limit hole 253. Through the snap engagement of the limit pin 256 and the limit hole 253, the limit arm 234 can be firmly fixed. In this way, it can assist in snapping multiple lifting sling bodies 1, which greatly facilitates the use of this device.

[0030] By setting the adjustment component 24 and the limiting component 25, if it is necessary to disassemble the lifting sling body 1 during use, it can be achieved by turning the adjustment knob 243. As the adjustment knob 243 rotates, the guide block 242 will also rotate. When the guide block 242 contacts the inclined surface of the guide arm 241, since the guide block 242 is elliptical, it will squeeze and resist the guide arm 241 to move outward during its rotation. The outward movement of the guide arm 241 will drive the circular slider 233 to move outward. After the circular slider 233 moves outward, the limiting arm 234 at its bottom will also move outward. At this time, if the lifting frame is moved upward, the insertion frame 22 can be separated from the limiting arm 234 inside the sleeve frame 21. The limiting arm 234 and the limiting inclined groove 235 on the lifting frame are separated from each other, which can help to quickly disassemble and separate each lifting sling body 1. This design improves the overall ease of disassembly and assembly of the device and brings great convenience to users in actual operation.

Claims

1. A combined lifting sling, comprising a lifting sling body (1), characterized in that: The lifting sling body (1) is configured in multiple groups, and splicing mechanism (2) is provided between the inner sides of the lifting sling body (1). The inner sides of the lifting sling body (1) are spliced ​​and installed together by the splicing mechanism (2). The splicing mechanism (2) includes a sleeve frame (21) and a plug-in frame (22). The sleeve frame (21) is connected to the bottom of the lifting sling body (1). The plug-in frame (22) is fixedly connected to the top of the lifting sling body (1). The plug-in frame (22) is inserted into the inside of the sleeve frame (21). An elastic component (23) is provided at the upper inside of the sleeve frame (21). An adjustment component (24) is provided at the upper front of the sleeve frame (21). A limiting component (25) is provided at the upper back of the sleeve frame (21).

2. The combined lifting sling according to claim 1, characterized in that: The elastic component (23) includes a semi-circular sleeve (231), which is fixedly connected to the upper end of the sleeve frame (21). Both ends of the semi-circular sleeve (231) are fixedly connected to limit springs (232). The outer end of the limit springs (232) is fixedly connected to a circular slider (233). The bottom of the circular slider (233) is fixedly connected to a limit arm (234). The plug-in bracket (22) is snapped into the inner side of the limit arm (234).

3. The combined lifting sling according to claim 2, characterized in that: The upper sides of the connector (22) are provided with limiting grooves (235), and the limiting arm (234) is generally set in a hook shape. The hook-shaped inner end of the limiting arm (234) is engaged with the limiting groove (235).

4. A combined lifting sling according to claim 2, characterized in that: The adjustment component (24) includes a guide arm (241) and a guide block (242). The guide block (242) is rotatably connected to the center of the front of the sleeve frame (21). The guide arm (241) is fixedly connected to the front of the circular slider (233). The guide arm (241) is fixedly connected to the front of the guide block (242). The inner end of the guide arm (241) and the outer side of the guide block (242) are closely connected. The outer end of the guide arm (241) is generally arc-shaped. The overall shape of the guide block (242) is elliptical.

5. A combined lifting sling according to claim 4, characterized in that: An adjustment knob (243) is fixedly connected to the front of the guide block (242), and the inner side of the adjustment knob (243) is arranged in a cross shape on the front.

6. A combined lifting sling according to claim 5, characterized in that: The limiting component (25) includes a fixed frame (251) and a snap-fit ​​arm (252). The fixed frame (251) is fixedly connected to the top of the sleeve frame (21). The snap-fit ​​arm (252) is fixedly connected to both sides of the back of the circular slider (233). A limiting hole (253) is opened at the inner end of the snap-fit ​​arm (252). A snap-fit ​​spring (254) is fixedly connected inside the fixed frame (251). A snap-fit ​​arm (255) is fixedly connected at the outer end of the snap-fit ​​spring (254). A limiting pin (256) is opened on both sides of the lower back of the snap-fit ​​arm (255). The end of the limiting pin (256) is inserted into the inner side of the limiting hole (253).

7. A combined lifting sling according to claim 6, characterized in that: The top of the hoisting sling body (1) is fixedly connected to a connecting rod (3), and the top of the connecting rod (3) is fixedly connected to a lifting ring (4).

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