A multi-angle rotating hook device of a crane

Abstract

The utility model discloses a kind of crane multi-angle rotary hook devices, it is related to crane hook technical field;And the utility model includes claw, hook body, safety lock, hook lifting lug and bearing pulley set, hook lifting lug outer fixed installation has lifting lug connecting rod, hook body inner wall is movably connected with rotating bearing, hook body inner wall is equipped with hook rotating assembly, rotating bearing moves in the inner wall of hook body, fixedly installed in the inner wall bottom of hook body with inlaying fixed block, fixed circular ring is fixedly installed in the inner wall of hook body, by setting hook rotating assembly, it can be rotated using bearing ball, reduce the friction of hook lifting lug and hook body, can make claw easily rotate, so that hook rotation is more relaxed, and by design inlaying rotating block and inlaying fixed block, goods can be avoided in the air rotation, to ensure that goods is firm in hoisting process.

Description

Technical Field

[0001] This utility model relates to the field of crane hook technology, specifically a crane multi-angle rotating hook device. Background Technology

[0002] A crane is a mechanical device used for lifting and transporting heavy objects, widely used in construction, manufacturing, ports, mining, transportation, and other industries. Its main function is to lift, move, and precisely place heavy objects using hooks, slings, or other tools through mechanical movement. Cranes can greatly improve work efficiency, reduce manpower burden, and operate in various complex environments.

[0003] When suspending goods, crane hooks need to hold the goods on them. However, because cranes need to lift heavy loads, the crane hooks are quite heavy to suspend them. To suspend the goods, the hook needs to be rotated, but the heavy hook's lugs are tightly connected to the hook body, making rotation difficult. This lack of smooth hook rotation increases operational difficulty, especially when quick adjustments to the hook's direction are needed to suspend the goods, prolonging lifting operations. Furthermore, because the hook shaft and lugs are designed to be movable for hook rotation, wind can cause the hook and goods to rotate at high altitudes, posing a safety hazard and reducing work efficiency. To address these problems, the inventor proposes a multi-angle rotating hook device for cranes. Utility Model Content

[0004] To address the problems of heavy hooks making rotation difficult due to the tight connection between the hook lugs and the hook body, and the potential danger of the hook and cargo rotating due to wind force at high altitudes, this invention aims to provide a multi-angle rotating hook device for cranes. By incorporating a hook rotation component, the device utilizes bearing balls to reduce friction between the hook lugs and the hook body, allowing the hook claws to rotate easily and making hook rotation more effortless. Furthermore, the design of interlocking rotating blocks and interlocking fixing blocks prevents cargo from rotating in the air, thus ensuring cargo stability during lifting.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a multi-angle rotating hook device for a crane, comprising a hook claw, a hook body, a safety lock, a hook lug, and a bearing pulley assembly. A lug connecting rod is fixedly installed on the outside of the hook lug, and a rotating bearing is movably connected to the inner wall of the hook body. A hook rotating assembly is provided on the inner wall of the hook body, and the hook rotating assembly includes a locking block, a fixing ring, a first spring, a locking rotating block, and a rotating bearing. The rotating bearing is movable on the inner wall of the hook body. The rotating bearing includes an upper bearing, bearing balls, a lower bearing, and a limiting ring. The fitting and fixing block is fixedly installed at the bottom of the inner wall of the hook body. The fixing ring is fixedly installed on the inner wall of the hook body. The fixing ring is slidably connected to the lifting lug connecting rod. The fitting and rotating block is fixedly installed on the outside of the lifting lug connecting rod. The fitting and rotating block can fit into the fitting and fixing block. The sliding ring is movably connected to the outside of the hook body. A first spring is fixedly installed on the outside of the fixing ring. The end of the first spring away from the fixing ring is fixedly connected to the sliding ring.

[0006] Preferably, the hook claw is fixedly connected to the hook lug, a limit ring is fixedly installed on the outside of the lug connecting rod, the limit ring is in contact with the hook body, the hook body is movably connected to the hook claw, and the hook body is rotatably connected to the bearing pulley block.

[0007] Preferably, a hook shaft is fixedly installed on the outside of the bearing pulley block, and a rotating wheel is rotatably connected to the outside of the hook shaft.

[0008] Preferably, a second hook shaft is fixedly installed on the outside of the bearing pulley block, and the second hook shaft is rotatably connected to the hook body.

[0009] Preferably, a lock hook shaft is fixedly installed on the outside of the safety lock, the lock hook shaft is rotatably connected to the hook claw, and the end of the safety lock away from the lock hook shaft is in contact with the hook claw.

[0010] Preferably, a retaining ring is fixedly installed on the outside of the lock hook shaft, and the end of the retaining ring away from the lock hook shaft is fixedly connected to the hook claw.

[0011] Preferably, the upper bearing slides on the inner wall of the hook body, the upper bearing is in contact with the hook lug, and the lower bearing is fixedly installed on the outside of the sliding ring.

[0012] Preferably, the bearing ball moves between the upper bearing and the lower bearing, and the lower bearing and the upper bearing are externally connected by a limiting ring.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In this utility model, by setting up a hook rotation assembly, the bearing balls can be used to rotate, reducing the friction between the hook lug and the hook body, allowing the hook claw to rotate easily, making the hook rotation easier, avoiding operational difficulties caused by excessive friction, and effectively distributing the load to multiple contact points, reducing the direct contact between the hook body and the hook claw, thereby greatly reducing the degree of wear. In this invention, by designing a rotating and a fixed interlocking block, the weight of the cargo causes the rotating and fixed interlocking block to move downwards and engage with the fixed interlocking block. When the cargo is lifted, the hook lugs are fixed to the hook body, preventing the cargo from rotating in the air. This ensures the cargo is stable during the lifting process, prevents accidents, and ensures the safety of operators and the surrounding environment. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 This is a cross-sectional view of the hook structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the hook structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the hook and lug structure of this utility model.

[0019] Figure 5 This utility model Figure 2 Enlarged schematic diagram of the structure at point A in the middle.

[0020] In the diagram: 1. Hook claw; 2. Hook body; 201. Fitting and fixing block; 202. Fixing ring; 203. Spring No. 1; 204. Sliding ring; 3. Safety lock; 301. Lock hook shaft; 302. Snap ring; 4. Hook lifting lug; 401. Lifting lug connecting rod; 402. Fitting rotating block; 403. Limiting ring; 5. Bearing pulley block; 501. Rotating wheel No. 1; 502. Hook No. 1 shaft; 503. Hook No. 2 shaft; 6. Rotary bearing; 601. Upper bearing; 602. Bearing ball; 603. Lower bearing; 604. Limiting ring. Detailed Implementation

[0021] 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.

[0022] Example: Figure 1-5As shown, this utility model provides a crane multi-angle rotating hook device, including a hook claw 1, a hook body 2, a safety lock 3, a hook lug 4, and a bearing pulley group 5. A lug connecting rod 401 is fixedly installed on the outside of the hook lug 4. A rotating bearing 6 is movably connected to the inner wall of the hook body 2. A hook rotating assembly is provided on the inner wall of the hook body 2. The hook rotating assembly includes a fitting fixing block 201, a fixing ring 202, a first spring 203, a fitting rotating block 402, and a rotating bearing 6. The rotating bearing 6 is movable on the inner wall of the hook body 2. The rotating bearing 6 includes an upper bearing 601, a bearing ball 602, a lower bearing 603, and a limiting ring 604. The fitting and fixing block 201 is fixedly installed at the bottom of the inner wall of the hook body 2. The fixing ring 202 is fixedly installed on the inner wall of the hook body 2. The fixing ring 202 is slidably connected to the lifting lug connecting rod 401. The fitting and rotating block 402 is fixedly installed on the outside of the lifting lug connecting rod 401. The fitting and rotating block 402 can fit into the fitting and fixing block 201. The sliding ring 204 is movably connected to the outside of the hook body 2. A first spring 203 is fixedly installed on the outside of the fixing ring 202. The end of the first spring 203 away from the fixing ring 202 is fixedly connected to the sliding ring 204.

[0023] The hook claw 1 is fixedly connected to the hook lug 4. A limit ring 403 is fixedly installed on the outside of the lug connecting rod 401. The limit ring 403 is in contact with the hook body 2. The hook body 2 is movably connected to the hook claw 1. The hook body 2 is rotatably connected to the bearing pulley block 5.

[0024] By adopting the above technical solution, the limiting ring 403 is attached to the hook body 2, and the limiting ring 403 can be used to limit the lifting lug connecting rod 401.

[0025] A first hook shaft 502 is externally fixedly installed on the bearing pulley block 5, and a first rotating wheel 501 is externally rotatably connected to the first hook shaft 502.

[0026] By adopting the above technical solution, a first rotating wheel 501 is externally rotatably connected to the first hook shaft 502. The rotation of the first rotating wheel 501 allows the crane to bear a heavier load.

[0027] The bearing pulley block 5 is externally fixedly installed with a second hook shaft 503, which is rotatably connected to the hook body 2.

[0028] By adopting the above technical solution, the hook body 2 is rotatably connected to the second hook shaft 503, which allows the hook body 2 and the bearing pulley block 5 to rotate, ensuring that the center of gravity of the cargo is always perpendicular to the bearing pulley block 5, thereby increasing the stability of the crane.

[0029] The safety lock 3 has a locking hook shaft 301 fixedly installed on its exterior. The locking hook shaft 301 is rotatably connected to the hook 1. The end of the safety lock 3 away from the locking hook shaft 301 is in contact with the hook 1.

[0030] By adopting the above technical solution, the end of the safety lock 3 away from the hook pivot 301 is attached to the hook claw 1, which can prevent the goods from falling off when they are suspended on the hook.

[0031] A retaining ring 302 is fixedly installed on the outside of the locking hook shaft 301. The end of the retaining ring 302 away from the locking hook shaft 301 is fixedly connected to the hook pawl 1.

[0032] By adopting the above technical solution, the end of the snap ring 302 away from the lock hook shaft 301 is fixedly connected to the hook 1, and the elastic potential energy of the snap ring 302 can be used to keep the safety lock 3 always in contact with the hook 1.

[0033] The upper bearing 601 slides on the inner wall of the hook body 2 and is in contact with the hook lug 4. The lower bearing 603 is fixedly installed on the outside of the sliding ring 204.

[0034] By adopting the above technical solution, the upper bearing 601 is in contact with the hook lug 4, and the rotating bearing 6 can be used to reduce the friction when the hook lug 4 rotates.

[0035] The bearing ball 602 moves between the upper bearing 601 and the lower bearing 603, and the lower bearing 603 is externally connected to the upper bearing 601 by a limiting ring 604.

[0036] By adopting the above technical solution, a limiting ring 604 is externally connected to the lower bearing 603 and the upper bearing 601, and the limiting ring 604 can be used to limit the bearing ball 602.

[0037] Working principle: When a multi-angle rotating hook device for a crane is needed, when the hook angle needs to be adjusted to facilitate the hanging of goods, or when there are no goods hanging on the hook, the elastic potential energy of the first spring 203 can be used to make the sliding ring 204 move upward and drive the rotating bearing 6 and the hook lug 4 to move upward, thereby releasing the engagement between the engaging rotating block 402 and the engaging fixed block 201. Furthermore, rotating the hook claw 1 can drive the lifting lug connecting rod 401 to rotate, which in turn drives the hook lifting lug 4. Since the hook lifting lug 4 is in contact with the upper bearing 601, the upper bearing 601 can rotate, and the rotation of the upper bearing 601 drives the bearing ball 602 to roll. The rolling of the bearing ball 602 reduces the friction between the hook lifting lug 4 and the hook body 2, allowing the hook claw 1 to rotate easily. This makes the hook rotation easier, avoids operational difficulties caused by excessive friction, and effectively distributes the load to multiple contact points, reducing the direct contact between the hook body 2 and the hook claw 1, thereby greatly reducing the degree of wear. When the hook suspends and lifts the cargo, the weight of the cargo itself will cause the hook lug 4 to compress the first spring 203, which will cause the lug connecting rod 401 and the engaging rotating block 402 to move downwards, and the engaging rotating block 402 to engage with the engaging fixing block 201. When the cargo is lifted, the hook lug 4 can be fixed to the hook body 2, which can prevent the cargo from rotating in the air, thereby ensuring the stability of the cargo during the lifting process, preventing accidents, and ensuring the safety of operators and the surrounding environment.

[0038] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A crane multi-angle rotating hook device, comprising a hook claw (1), a hook body (2), a safety lock (3), a hook lug (4), and a bearing pulley assembly (5), characterized in that: The hook lug (4) is fixedly installed with a lug connecting rod (401) on the outside. The hook body (2) is movably connected with a rotary bearing (6). The hook body (2) is provided with a hook rotating assembly on the inner wall. The hook rotating assembly includes a fitting fixing block (201), a fixing ring (202), a No. 1 spring (203), a fitting rotating block (402), and a rotary bearing (6). The rotary bearing (6) is movable on the inner wall of the hook body (2). The rotary bearing (6) includes an upper bearing (601), bearing balls (602), a lower bearing (603), and a limiting ring (604). The fitting fixing block (201) is fixedly installed on the bottom of the inner wall of the hook body (2). The fixing ring (202) is fixedly installed on the inner wall of the hook body (2). The fixing ring (202) slides with the lifting lug connecting rod (401). The connecting rod (401) of the lifting lug is externally fixedly equipped with a fitting rotating block (402), which can be fitted with the fitting fixing block (201). The hook body (2) is externally movably connected with a sliding ring (204). A first spring (203) is externally fixedly installed on the fixed ring (202). The end of the first spring (203) away from the fixed ring (202) is fixedly connected to the sliding ring (204).

2. The crane multi-angle rotating hook device as described in claim 1, characterized in that, The hook claw (1) is fixedly connected to the hook lug (4), and a limiting ring (403) is fixedly installed on the outside of the lug connecting rod (401). The limiting ring (403) is in contact with the hook body (2), the hook body (2) is movably connected to the hook claw (1), and the hook body (2) is rotatably connected to the bearing pulley group (5).

3. The crane multi-angle rotating hook device as described in claim 1, characterized in that, The bearing pulley assembly (5) has a hook shaft (502) fixedly installed on its exterior, and a rotating wheel (501) is rotatably connected to the hook shaft (502).

4. A crane multi-angle rotating hook device as described in claim 1, characterized in that, The bearing pulley assembly (5) is externally fixedly equipped with a second hook shaft (503), which is rotatably connected to the hook body (2).

5. A crane multi-angle rotating hook device as described in claim 1, characterized in that, The safety lock (3) is externally fixedly mounted with a lock hook shaft (301), the lock hook shaft (301) is rotatably connected to the hook (1), and the end of the safety lock (3) away from the lock hook shaft (301) is in contact with the hook (1).

6. A crane multi-angle rotating hook device as described in claim 5, characterized in that, A retaining ring (302) is fixedly installed on the outside of the locking hook shaft (301), and the end of the retaining ring (302) away from the locking hook shaft (301) is fixedly connected to the hook pawl (1).

7. A crane multi-angle rotating hook device as described in claim 1, characterized in that, The upper bearing (601) slides on the inner wall of the hook body (2), the upper bearing (601) is in contact with the hook lug (4), and the lower bearing (603) is fixedly installed on the outside of the sliding ring (204).

8. A crane multi-angle rotating hook device as described in claim 1, characterized in that, The bearing ball (602) moves between the upper bearing (601) and the lower bearing (603), and the lower bearing (603) is externally connected to the upper bearing (601) by a limiting ring (604).

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