Lifting hook with anti-falling structure for lifting appliance
By designing a sliding and anti-detachment mechanism for the hook, and using springs and magnets to achieve a stable connection of the hook, the problem of object swaying and separation caused by the lack of an anti-detachment structure for the hook is solved, thus improving the safety of lifting operations.
Patent Information
- Application Number
- CN202512017143.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-02-03
AI Technical Summary
The existing hooks lack anti-drop structures, which can cause objects to separate from the hooks during lifting due to the swaying force of the object being transferred, resulting in material spillage and even injury to nearby workers, thus reducing the safety of the lifting equipment.
A hook is designed that includes a lifting ring, a hanging bracket, a hook body, a fixing plate, a sliding mechanism, an anti-detachment mechanism, and a fixing mechanism. The sliding mechanism and the anti-detachment mechanism prevent the suspended object from separating, and the spring and magnet are used to achieve a stable connection and prevent the object from falling.
It effectively prevents the suspended object from separating from the hook during transportation, improves the safety of the lifting equipment, avoids the risk of material spillage and injury, and enhances the safety of lifting operations.
Smart Images
Figure CN121448934A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of lifting appliance, in particular to a lifting hook with anti-falling structure. BACKGROUND
[0002] The commonly used lifting appliance is lifting hook, steel wire rope, chain and other special rigging. The fork and the like can be used as a special lifting appliance on the crane for long-term use, or can be hung on the lifting hook as a replaceable auxiliary lifting appliance for temporary use, and is commonly used in multi-commodity warehouses and yards to improve the operation efficiency. The grabbing lifting appliance is generally openable and closable, and can also be used to attract magnetically conductive materials such as metal chips by using electromagnetic suction cups. The commonly used lifting appliance for lifting flowing materials includes a bucket and a lifting tank, and the molten steel or chemical solution is generally unloaded by tilting or pulling out the plug, and the flowing material such as concrete is unloaded by opening the bottom door of the lifting tank. The existing lifting hook lacks an anti-falling structure, which causes the object to separate and fall off when the object is shifted due to the shaking force of the object, resulting in the spilled material, even the injured surrounding workers, and reducing the safety of the lifting appliance. SUMMARY
[0003] To solve the problems in the background art, the present application provides a lifting hook with anti-falling structure, which has the advantages of anti-falling, solves the problem that the existing lifting hook lacks an anti-falling structure, which causes the object to separate and fall off when the object is shifted due to the shaking force of the object, resulting in the spilled material, even the injured surrounding workers, and reducing the safety of the lifting appliance.
[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a lifting hook with anti-falling structure, comprising a lifting ring, a lifting frame and a lifting hook body, the bottom of the lifting ring is fixedly connected with the top of the lifting frame, the lifting hook body is located at the four corners of the bottom of the lifting frame, the four corners of the bottom of the lifting frame are fixedly connected with a fixed plate, the top of the lifting hook body is movably connected with a connecting shaft, the top of the connecting shaft is fixedly connected with the bottom of the fixed plate, the inner side of the lifting hook body is provided with an auxiliary block, the outer side of the fixed plate is fixedly connected with a support, the side of the support close to the lifting hook body is fixedly connected with a first spring, the end of the first spring away from the support is fixedly connected with the lifting hook body, the bottom of the outer side of the right side of the lifting hook body is provided with a sliding mechanism, and the inner side of the bottom of the fixed plate is fixedly connected with an anti-falling mechanism.
[0005] As a preferred embodiment of the present application, the sliding mechanism comprises a sliding groove, the inner wall of the sliding groove is fixedly connected with a second spring at the bottom, the top of the second spring is fixedly connected with a fixed block, and the side of the fixed block close to the auxiliary block is fixedly connected with the auxiliary block.
[0006] As preferred, the anti-falling mechanism comprises a movable shaft, a baffle movably connected to the bottom of the movable shaft, the bottom of the right side of the baffle in contact with the bottom of the left side of the hook body, a mounting block fixedly connected to the bottom of the side of the hook body close to the baffle, and a fixing mechanism fixedly connected to the bottom of the right side of the baffle.
[0007] As preferred, the fixing mechanism comprises a plug-in block, the left side of the mounting block is provided with a plug-in slot, the plug-in block is plug-in matched with the plug-in slot, the bottom of the inner wall of the plug-in slot is provided with a movable slot, the inside of the movable slot is plug-in connected with a limiting rod, and the top of the limiting rod is plug-in matched with the bottom of the plug-in block.
[0008] As preferred, the two sides of the inner wall of the movable slot are provided with limiting slots, the surface of the limiting rod is fixedly connected with a limiting plate, and the limiting plate is movably connected with the limiting slot.
[0009] As preferred, the two sides of the bottom of the mounting block are fixedly connected with magnets, and the bottom of the magnet is adsorbedly connected with the limiting rod.
[0010] As preferred, the bottom of the fixing plate is fixedly connected with a positioning plate, and the positioning plate is located on the left side of the connecting shaft.
[0011] Compared with the prior art, the present application has the following advantages: 1. The anti-falling mechanism can block the material frame hung on the hook body, avoid the separation of the material frame from the hook body during transportation, and prevent the material frame from falling off, and the sliding mechanism can move the auxiliary block, solving the problem that the existing hook lacks an anti-falling structure, causing the object to separate and fall off when the object is shifted, resulting in the spilling of the hoisted material, even injuring the surrounding workers, reducing the safety of the lifting device, and having the advantage of anti-falling.
[0012] 2. The sliding mechanism can install the second spring into the sliding groove, can compress the second spring through the fixing block when the auxiliary block is pressed, can move the auxiliary block, and the second spring can easily lift the fixing block upward, and can reset the auxiliary block.
[0013] 3. The anti-falling mechanism can install the baffle on the movable shaft, movably connect the baffle with the movable shaft, move the baffle, hang the material frame on the hook body, and the fixing mechanism can limit the baffle to block the material frame hung on the hook body, preventing the material frame from falling off due to separation from the hook body. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of a partial cross-sectional structure in the main view of the present invention; Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 For the present invention Figure 3 Enlarged structural diagram at point B.
[0015] In the diagram: 1. Lifting ring; 2. Hanger; 3. Hook; 4. Fixing plate; 5. Connecting shaft; 6. Auxiliary block; 7. Bracket; 8. Sliding mechanism; 81. Slide groove; 82. Second spring; 83. Fixing block; 9. Anti-detachment mechanism; 91. Movable shaft; 92. Baffle; 93. Mounting block; 94. Fixing mechanism; 941. Insertion block; 942. Insertion groove; 943. Movable groove; 944. Limiting rod; 10. First spring; 11. Limiting groove; 12. Limiting plate; 13. Magnet; 14. Positioning plate. Detailed Implementation
[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0017] like Figures 1 to 4 As shown, the present invention provides a lifting hook with an anti-fall-off structure for lifting devices, comprising a lifting ring 1, a lifting frame 2, and a hook body 3. The bottom of the lifting ring 1 is fixedly connected to the top of the lifting frame 2. The hook body 3 is located at the four corners of the bottom of the lifting frame 2. Each of the four corners of the bottom of the lifting frame 2 is fixedly connected to a fixing plate 4. The top of the hook body 3 is movably connected to a connecting shaft 5. The top of the connecting shaft 5 is fixedly connected to the bottom of the fixing plate 4. An auxiliary block 6 is provided on the inner side of the hook body 3. A bracket 7 is fixedly connected to the outer side of the fixing plate 4. A first spring 10 is fixedly connected to the side of the bracket 7 near the hook body 3. The end of the first spring 10 away from the bracket 7 is fixedly connected to the hook body 3. A sliding mechanism 8 is provided at the bottom of the right outer side of the hook body 3. An anti-fall-off mechanism 9 is fixedly connected to the inner side of the bottom of the fixing plate 4.
[0018] refer to Figure 3 The sliding mechanism 8 includes a slide groove 81, a second spring 82 is fixedly connected to the bottom of the inner wall of the slide groove 81, a fixing block 83 is fixedly connected to the top of the second spring 82, and the side of the fixing block 83 near the auxiliary block 6 is fixedly connected to the auxiliary block 6.
[0019] As a technical optimization scheme of the present application, by setting the sliding mechanism 8, the second spring 82 can be installed into the sliding groove 81, the auxiliary block 6 can be pressed to compress the second spring 82 through the fixing block 83, the auxiliary block 6 can be moved conveniently, and the second spring 82 can conveniently lift the fixing block 83 upward to reset the auxiliary block 6.
[0020] With reference to Figure 3 The anti-disengagement mechanism 9 comprises a movable shaft 91, the bottom of the movable shaft 91 movably connected with a baffle 92, the bottom of the right side of the baffle 92 in contact with the bottom of the left side of the hook body 3, the bottom of the side close to the baffle 92 of the hook body 3 fixedly connected with a mounting block 93, and the bottom of the right side of the baffle 92 fixedly connected with a fixing mechanism 94.
[0021] As a technical optimization scheme of the present application, by setting the anti-disengagement mechanism 9, the baffle 92 can be installed on the movable shaft 91, the baffle 92 can be moved conveniently, the material frame can be hung on the hook body 3, the fixing mechanism 94 can limit the baffle 92, the baffle 92 can block the material frame hung on the hook body 3, and the material frame can be prevented from falling off due to separation from the hook body 3.
[0022] With reference to Figure 4 The fixing mechanism 94 comprises a plug-in block 941, the left side of the mounting block 93 is provided with a plug-in groove 942, the plug-in block 941 is plug-in matched with the plug-in groove 942, the inner wall of the plug-in groove 942 is provided at the bottom with a movable slot 943, the movable slot 943 is internally plug-in connected with a limiting rod 944, and the top of the limiting rod 944 is plug-in matched with the bottom of the plug-in block 941.
[0023] As a technical optimization scheme of the present application, by setting the fixing mechanism 94, the plug-in block 941 can be inserted into the plug-in groove 942, the limiting rod 944 can limit the plug-in block 941 through the movable slot 943, the baffle 92 can be limited conveniently, and the baffle 92 can block the hung material frame conveniently.
[0024] With reference to Figure 4 The inner wall of the movable slot 943 is provided at both sides with a limiting slot 11, and the surface of the limiting rod 944 is fixedly connected with a limiting plate 12, and the limiting plate 12 is movably connected with the limiting slot 11.
[0025] As a technical optimization scheme of the present application, by setting the limiting slot 11 and the limiting plate 12, the limiting plate 12 can move in the limiting slot 11, the limiting plate 12 and the limiting slot 11 can limit the limiting rod 944, and the limiting rod 944 can be prevented from falling off.
[0026] With reference to Figure 4The bottom of the mounting block 93 is fixedly connected with two magnets 13, and the bottom of the magnet 13 is adsorptively connected with the limiting rod 944.
[0027] As a technical optimization scheme of the present application, the magnet 13 can adsorb the limiting rod 944, and the limiting rod 944 can limit the plug-in block 941, so that the limiting rod 944 and the plug-in block 941 are prevented from being separated.
[0028] Reference Figure 3 The bottom of the fixed plate 4 is fixedly connected with a positioning plate 14, and the positioning plate 14 is located on the left side of the connecting shaft 5.
[0029] As a technical optimization scheme of the present application, the positioning plate 14 can limit the hook body 3, and the hook body 3 is prevented from moving inward.
[0030] The working principle and use process of the present application are as follows: in use, the hook body 3 and the baffle 92 are moved in opposite directions, so that the hook body 3 can hook the frame edge of the material frame, then the baffle 92 is moved towards the hook body 3, so that the plug-in block 941 is inserted into the plug-in groove 942, then the limiting rod 944 is moved upwards, so that the limiting rod 944 is inserted into the plug-in block 941, when the limiting rod 944 is inserted into the plug-in block 941, the limiting rod 944 will contact the bottom of the magnet 13, so that the magnet 13 adsorbs the limiting rod 944, the baffle 92 can block the material frame hung on the hook body 3, and the material frame is prevented from falling when being lifted and transported, when it is needed to take down the material frame from the hook body 3, the limiting rod 944 is pulled downwards, so that the limiting rod 944 is separated from the plug-in block 941, the bottom of the limiting plate 12 contacts the bottom of the limiting groove 11, then the baffle 92 and the hook body 3 are pulled outwards, so that the plug-in block 941 is separated from the plug-in groove 942, then the frame edge of the material frame is separated from the hook body 3, and the material frame is taken down, so that the material frame hung on the hook body 3 can be blocked, and the material frame is prevented from falling due to separation from the hook body 3 during transportation.
[0031] In summary: the hook of the anti-falling structure of the lifting appliance can block the material frame hung on the hook body 3 through the anti-falling mechanism 9, and the material frame is prevented from falling due to separation from the hook body 3 during transportation, meanwhile, the sliding mechanism 8 can facilitate the movement of the auxiliary block 6, and the problems that the existing hook lacks an anti-falling structure, the object is separated and falls due to the shaking force of the object during transfer, the transported material is spilled, even the surrounding workers are injured, and the safety of the lifting appliance is reduced are solved.
[0032] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it should be taken in a descriptive sense and not a limiting sense.
[0033] While the embodiments of the application have been shown and described herein, it is to be understood that the application is not limited to these embodiments. Rather, it is to be understood that various modifications, changes, substitutions and alterations can be made to the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.
Claims
1. A lifting hook with an anti-fall-off structure for lifting equipment, comprising a lifting ring (1), a lifting frame (2), and a hook body (3), characterized in that: The bottom of the lifting ring (1) is fixedly connected to the top of the hanging frame (2). The hook body (3) is located at the four corners of the bottom of the hanging frame (2). The four corners of the bottom of the hanging frame (2) are fixedly connected to the fixing plates (4). The top of the hook body (3) is movably connected to the connecting shaft (5). The top of the connecting shaft (5) is fixedly connected to the bottom of the fixing plate (4). An auxiliary block (6) is provided on the inner side of the hook body (3). A bracket (7) is fixedly connected to the outer side of the fixing plate (4). A first spring (10) is fixedly connected to the side of the bracket (7) close to the hook body (3). The end of the first spring (10) away from the bracket (7) is fixedly connected to the hook body (3). A sliding mechanism (8) is provided at the bottom of the right outer side of the hook body (3). An anti-detachment mechanism (9) is fixedly connected to the inner side of the bottom of the fixing plate (4).
2. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 1, characterized in that: The sliding mechanism (8) includes a slide groove (81), a second spring (82) is fixedly connected to the bottom of the inner wall of the slide groove (81), a fixing block (83) is fixedly connected to the top of the second spring (82), and the side of the fixing block (83) near the auxiliary block (6) is fixedly connected to the auxiliary block (6).
3. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 1, characterized in that: The anti-detachment mechanism (9) includes a movable shaft (91), and a baffle (92) is movably connected to the bottom of the movable shaft (91). The bottom right side of the baffle (92) is in contact with the bottom left side of the hook body (3). An installation block (93) is fixedly connected to the bottom of the hook body (3) on the side close to the baffle (92). A fixing mechanism (94) is fixedly connected to the bottom right side of the baffle (92).
4. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 3, characterized in that: The fixing mechanism (94) includes a plug-in block (941). A plug-in groove (942) is provided on the left side of the mounting block (93). The plug-in block (941) is plugged into the plug-in groove (942). A movable groove (943) is provided at the bottom of the inner wall of the plug-in groove (942). A limit rod (944) is plugged into the movable groove (943). The top of the limit rod (944) is plugged into the bottom of the plug-in block (941).
5. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 4, characterized in that: Limiting grooves (11) are provided on both sides of the inner wall of the movable groove (943), and a limiting plate (12) is fixedly connected to the surface of the limiting rod (944), and the limiting plate (12) is movably connected to the limiting groove (11).
6. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 4, characterized in that: Magnets (13) are fixedly connected to both sides of the bottom of the mounting block (93), and the bottom of the magnets (13) is attracted to the limiting rod (944).
7. The lifting hook with an anti-fall-off structure for lifting equipment according to claim 1, characterized in that: The bottom of the fixing plate (4) is fixedly connected to a positioning plate (14), which is located on the left side of the connecting shaft (5).