A crane hook that is easy to replace

Abstract

The utility model provides a crane hook convenient to replace. The crane hook convenient to replace includes: hook neck, the hook body fixed connection in the bottom of hook neck, the fixed peg fixed connection in the top of hook neck, the top fixed connection of fixed peg limits the block, the outer surface of fixed peg and limit block all is equipped with the perforation, the outer surface of limit block and fixed peg is equipped with the butt joint block, the bottom of butt joint block is equipped with the spigot, the top of spigot inner wall is equipped with the rotation groove, the both sides of butt joint block are equipped with first through -hole. The crane hook convenient to replace provided by the utility model, through the design hook body only needs through limit block, fixed peg, first fixed component and second fixed component constitute quick installation and dismounting mechanism, can complete replacement in short time, saves the operation time greatly, improves work efficiency, makes hook body adapt to a variety of working conditions.

Description

Technical Field

[0001] This utility model relates to the field of crane hook technology, and in particular to a crane hook that is easy to replace. Background Technology

[0002] The lifting hook is the core component of a crane, mainly used for lifting and moving heavy objects. It is widely used in industrial hoisting, heavy equipment handling and other scenarios. It is mainly composed of wire rope, hanger structure, rotating locking device and other components. The lifting range is adjusted by the wire rope, the hanger structure enhances stability, the limit switch prevents disengagement, and it directly bears the weight of the goods.

[0003] The crane hook is the core component of the crane's lifting device, used to suspend heavy objects for lifting operations. It mainly consists of the hook body, hook neck, lifting shaft, and safety devices. The hook body is forged from high-strength alloy steel and must have impact resistance and wear resistance. The whole unit works with the crane's transmission system through the lifting shaft to lift and move heavy objects. It is a key load-bearing component to ensure lifting safety.

[0004] In actual lifting operations, different types of hooks often need to be changed frequently depending on the type, shape, weight, and other factors of the goods being lifted. Once a traditional integral hook is selected, it is difficult to quickly adapt to various working conditions.

[0005] Therefore, it is necessary to provide a crane hook that is easy to replace to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a crane hook that is easy to replace, solving the problem that it is inconvenient to replace integral hooks according to different goods and difficult to quickly adapt to various working conditions.

[0007] To solve the above-mentioned technical problems, the crane hook that is easy to replace provided by this utility model includes: a hook neck;

[0008] The hook body is fixedly connected to the bottom end of the hook neck;

[0009] A fixing bolt is fixedly connected to the top of the hook neck. A limiting block is fixedly connected to the top of the fixing bolt. Both the outer surfaces of the fixing bolt and the limiting block have through holes. A mating block is installed on the outer surfaces of the limiting block and the fixing bolt. A socket is opened at the bottom of the mating block. A rotating groove is opened at the top of the inner wall of the socket. First through holes are opened on both sides of the mating block. Second through holes are opened on the front and back of the mating block. A first fixing component is installed inside the first through hole. A second fixing component is installed inside the second through hole. A lifting shaft assembly is fixedly connected to the top of the mating block.

[0010] The hook body is bent, and the perforations on the outer surface of the fixing bolt and the limiting block are arranged in a cross shape. The second perforation and the insertion port are positioned opposite each other, and the first perforation is positioned opposite the rotating groove. The rotating groove allows the limiting block to rotate at an angle, thereby causing the limiting block and the insertion port to be misaligned and forming a snap-fit. The first perforation is positioned opposite the perforation on the limiting block.

[0011] Preferably, the lifting shaft assembly includes a hanger and a lifting roller, the hanger being used to mount the lifting roller on the top of the docking block.

[0012] Preferably, a safety component is installed inside the hook body, the first opening is square, and the second opening is round;

[0013] Safety components prevent structures suspended on the hook from falling off.

[0014] Preferably, the safety component includes a rotating buckle, a limiting rod, and a limiting block. The rotating buckle is used to install the limiting rod on one side of the inner wall of the hook, and the limiting block is installed on the other side of the inner wall of the hook.

[0015] The other end of the limit block and the limit rod are in contact.

[0016] Preferably, the first fixing component includes a plug rod, a limiting structure, and an external threaded bolt, wherein the external threaded bolt is installed at one end of the plug rod, and the limiting structure and the external threaded bolt are threadedly connected.

[0017] The insertion rod passes through the opening and the hole.

[0018] Preferably, a docking plate is fixedly connected to the top of the hook body, and a limiting groove is formed at the bottom of the hook neck;

[0019] The shape of the limiting groove matches the structure composed of the rotating shaft, the hanging plate, and the buffer pad.

[0020] Preferably, a rotating shaft is fixedly connected to the top of the docking plate, a hanging plate is fixedly connected to the top of the rotating shaft, and a buffer pad is provided at the bottom of the hanging plate.

[0021] Compared with related technologies, the easily replaceable crane hook provided by this utility model has the following advantages:

[0022] This utility model provides a crane hook that is easy to replace. In order to facilitate the replacement of the crane hook when lifting different goods, a slot with a rotating groove is first opened at the bottom of the docking block. After the limiting block on the hook neck is inserted and rotated, the limiting block and the fixing bolt can be fixed in place with the first fixing component and the second fixing component, which facilitates the replacement of the hook body. With this design, the hook body can be replaced in a short time by forming a quick installation and disassembly mechanism with the limiting block, the fixing bolt, the first fixing component and the second fixing component. This greatly saves the operation time, improves the work efficiency, and makes the hook body adaptable to various working conditions. Attached Figure Description

[0023] Figure 1 A schematic diagram of the first embodiment of the easily replaceable crane hook provided by this utility model;

[0024] Figure 2 A structural schematic diagram of the mounting wheel is provided for this utility model;

[0025] Figure 3 A schematic diagram of the socket structure is provided for this utility model;

[0026] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;

[0027] Figure 5 Provided for this utility model Figure 3 An enlarged view of point B shown;

[0028] Figure 6 A schematic diagram of the second embodiment of the easily replaceable crane hook provided by this utility model;

[0029] Figure 7 A schematic diagram of the structure of the buffer pad provided for this utility model.

[0030] The following are the labeling elements in the diagram: 1. Hook neck, 2. Hook body, 3. Safety component, 301. Rotating buckle, 302. Limiting rod, 303. Limiting block, 4. First fixing component, 401. Insert rod, 402. Limiting structure, 403. External threaded bolt, 5. Hanging shaft assembly, 501. Hanger, 502. Hanging roller, 6. Connecting block, 7. Second fixing component, 8. First through hole, 9. Second through hole, 10. Insertion, 11. Rotating groove, 12. Limiting block, 13. Through hole, 14. Fixing bolt, 15. Connecting plate, 16. Rotating shaft, 17. Hanging plate, 18. Limiting groove, 19. Buffer pad. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] First Embodiment

[0033] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of the first embodiment of the easily replaceable crane hook provided by this utility model; Figure 2 A structural schematic diagram of the mounting wheel is provided for this utility model; Figure 3 A structural schematic diagram of the mounting port is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 Provided for this utility model Figure 3 An enlarged view of point B is shown. The easily replaceable crane hook includes: hook neck 1;

[0034] Hook body 2, which is fixedly connected to the bottom end of hook neck 1;

[0035] A fixing bolt 14 is fixedly connected to the top end of the hook neck 1. A limiting block 12 is fixedly connected to the top end of the fixing bolt 14. Both the outer surfaces of the fixing bolt 14 and the limiting block 12 are provided with through holes 13. A docking block 6 is installed on the outer surfaces of the limiting block 12 and the fixing bolt 14. A socket 10 is provided at the bottom of the docking block 6. A rotating groove 11 is provided at the top of the inner wall of the socket 10. First through holes 8 are provided on both sides of the docking block 6. Second through holes 9 are provided on the front and back of the docking block 6. A first fixing component 4 is installed inside the first through hole 8. A second fixing component 7 is installed inside the second through hole 9. A lifting shaft assembly 5 is fixedly connected to the top end of the docking block 6.

[0036] The hook body 2 is hook-shaped. The perforations 13 on the outer surfaces of the fixing bolt 14 and the limiting block 12 are arranged in a cross shape. The positions of the second through hole 9 and the insertion port 10 are corresponding. The position of the first through hole 8 is corresponding to the position of the rotating groove 11. The rotating groove 11 allows the limiting block 12 to rotate, thereby causing the limiting block 12 and the insertion port 10 to be misaligned and forming a snap-fit. The position of the first through hole 8 is corresponding to the position of the perforation 13 on the limiting block 12. The position of the second through hole 9 is corresponding to the position of the perforation 13 on the outer surface of the fixing bolt 14. The first fixing component 4 and the second fixing component 7 have the same structure, except that one is square and the other is round.

[0037] Please refer to Figure 1 and Figure 2 The suspension shaft assembly 5 includes a hanger 501 and a roller 502, wherein the hanger 501 is used to mount the roller 502 on the top of the docking block 6;

[0038] The lifting roller 502 and the hanger 501 are rotatably connected.

[0039] Please refer to Figure 1 The hook body 2 is equipped with a safety component 3. The first opening 8 is square and the second opening 9 is round.

[0040] Safety component 3 can prevent the structure hoisted on hook 2 from falling off.

[0041] Please refer to Figure 1 , Figure 3 and Figure 5 The safety component 3 includes a rotating buckle 301, a limiting rod 302, and a limiting block 303. The rotating buckle 301 is used to install the limiting rod 302 on one side of the inner wall of the hook body 2, and the limiting block 303 is installed on the other side of the inner wall of the hook body 2.

[0042] The other end of the limiting block 303 and the limiting rod 302 are in contact, which serves as a limiting function.

[0043] Please refer to Figure 1 , Figure 3 and Figure 4 The first fixing component 4 includes a plug rod 401, a limiting structure 402 and an external threaded bolt 403. The external threaded bolt 403 is installed at one end of the plug rod 401, and the limiting structure 402 and the external threaded bolt 403 are threadedly connected.

[0044] The insertion rod 401 passes through the through-hole and the through-hole 13 and is fixed by the limiting structure 402.

[0045] The working principle of the easily replaceable crane hook provided by this utility model is as follows:

[0046] First, a slot 10 with a rotating groove 11 is made at the bottom of the docking block 6. After the limiting block 12 on the hook neck 1 is inserted and rotated, the limiting block 12 and the fixing bolt 14 can be fixed in conjunction with the first fixing component 4 and the second fixing component 7, which facilitates the replacement of the hook body 2. When the hook body 2 needs to be replaced, simply loosen the limiting structure 402 on the first fixing component 4 and the second fixing component 7, and the first fixing component 4 and the second fixing component 7 can be pulled out from the first through hole 8 and the second through hole 9 respectively, thereby releasing the restriction on the limiting block 12 and the fixing bolt 14. After that, simply rotate the limiting block 12. Aligning with the socket 10, the limiting block 12 can be pulled out to replace the hook body 2. When installing the hook body 2 of the corresponding model, simply insert the limiting block 12 of the same specification from the bottom of the socket 10 until it is inserted into the inside of the rotating groove 11. Then rotate the limiting block 12 so that the limiting block 12 is staggered with the socket 10, and align the through hole 13 on the fixing bolt 14 and the limiting block 12 with the first through hole 8 and the second through hole 9. Then, the first fixing component 4 and the second fixing component 7 can be passed through the limiting block 12 and the fixing bolt 14 to fix the limiting block 12, thereby completing the installation of the hook body 2.

[0047] Compared with related technologies, the easily replaceable crane hook provided by this utility model has the following advantages:

[0048] To facilitate the replacement of crane hooks when lifting different goods, an insertion port 10 with a rotating groove 11 is first opened at the bottom of the docking block 6. After the limiting block 12 on the hook neck 1 is inserted and rotated, the limiting block 12 and the fixing bolt 14 can be fixed together with the first fixing component 4 and the second fixing component 7, which facilitates the replacement of the hook body 2. With this design, the hook body 2 can be replaced in a short time by forming a quick installation and disassembly mechanism with the limiting block 12, the fixing bolt 14, the first fixing component 4 and the second fixing component 7, which greatly saves operation time, improves work efficiency, and allows the hook body 2 to adapt to various working conditions.

[0049] Second Embodiment

[0050] Please refer to the following: Figures 6-7 , Figure 6 A schematic diagram of the second embodiment of the easily replaceable crane hook provided by this utility model; Figure 7 This utility model provides a structural schematic diagram of a buffer pad. Based on the easily replaceable crane hook provided in the first embodiment of this application, the second embodiment of this application proposes another easily replaceable crane hook. The second embodiment is merely a preferred embodiment of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0051] Specifically, the difference in the easily replaceable crane hook provided in the second embodiment of this application is as follows, please refer to... Figure 6 and Figure 7 The top end of the hook body 2 is fixedly connected to the docking plate 15, and the bottom end of the hook neck 1 is provided with a limiting groove 18.

[0052] The shape of the limiting groove 18 matches that of the rotating shaft 16, the hanging plate 17 and the buffer pad 19.

[0053] Please refer to Figure 6 and Figure 7 The top end of the docking plate 15 is fixedly connected to a rotating shaft 16, the top end of the rotating shaft 16 is fixedly connected to a hanging plate 17, and the bottom end of the hanging plate 17 is provided with a buffer pad 19.

[0054] Cushion 19 is made of abrasion-resistant and highly elastic material.

[0055] Compared with related technologies, the easily replaceable crane hook provided by this utility model has the following advantages:

[0056] To install a docking plate 15 at the top of the hook body 2, a rotating shaft 16 with a lifting plate 17 is then installed at the top of the docking plate 15, and a buffer pad 19 is installed at the bottom of the lifting plate 17. The lifting plate 17 can then be installed inside the limiting groove 18, allowing the hook body 2 to rotate at the required angle during hoisting. At the same time, the buffer pad 19 can act as a buffer to avoid hard connection and reduce wear.

[0057] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A crane hook that is easy to replace, characterized in that, include: Hook neck; The hook body is fixedly connected to the bottom end of the hook neck; A fixing bolt is fixedly connected to the top of the hook neck. A limiting block is fixedly connected to the top of the fixing bolt. Both the fixing bolt and the limiting block have through holes on their outer surfaces. A mating block is installed on the outer surfaces of the limiting block and the fixing bolt. A socket is opened at the bottom of the mating block. A rotating groove is opened at the top of the inner wall of the socket. First through holes are opened on both sides of the mating block. Second through holes are opened on the front and back of the mating block. A first fixing component is installed inside the first through hole. A second fixing component is installed inside the second through hole. A lifting shaft assembly is fixedly connected to the top of the mating block.

2. The easily replaceable crane hook according to claim 1, characterized in that, The lifting shaft assembly includes a hanger and a lifting roller, the hanger being used to mount the lifting roller on the top of the docking block.

3. The easily replaceable crane hook according to claim 1, characterized in that, The hook body is equipped with a safety component. The first opening is square and the second opening is round.

4. The easily replaceable crane hook according to claim 3, characterized in that, The safety component includes a rotating buckle, a limiting rod, and a limiting block. The rotating buckle is used to install the limiting rod on one side of the inner wall of the hook, and the limiting block is installed on the other side of the inner wall of the hook.

5. The easily replaceable crane hook according to claim 1, characterized in that, The first fixing component includes a plug rod, a limiting structure, and an external threaded bolt. The external threaded bolt is installed at one end of the plug rod, and the limiting structure and the external threaded bolt are threadedly connected.

6. The easily replaceable crane hook according to claim 1, characterized in that, The top of the hook body is fixedly connected to a docking plate, and the bottom of the hook neck is provided with a limiting groove.

7. The easily replaceable crane hook according to claim 6, characterized in that, A rotating shaft is fixedly connected to the top of the docking plate, a hanging plate is fixedly connected to the top of the rotating shaft, and a buffer pad is provided at the bottom of the hanging plate.

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