Anti-loosening lifting hook for monorail crane

Abstract

The utility model relates to the field of anti-loosening lifting hooks, and discloses an anti-loosening lifting hook for a monorail crane, which comprises a lifting hook, the bottom of the lifting hook is fixedly connected with a square block, a circular groove in the square block is rotatably connected with a cylinder I, and the left side and the right side of the cylinder I are fixedly connected with long plates; a balancing weight is fixedly connected between the bottoms of the two long plates, fixing blocks are fixedly connected to the tops of the long plates, the two fixing blocks abut against the outer wall of a lifting hook, and a round rod is rotationally connected into the top end of the lifting hook. According to the lifting hook, through the cooperation of the square blocks and the cylinders, during operation, the balancing weights at the bottoms of the two long plates are lifted, then the long plates slide downwards, an object to be lifted is placed in the lifting hook and hung well, then the balancing weights are released, the balancing weights enable the long plates to move upwards under the action of gravity, the lifted object is fixed in the lifting hook, and the stability and the looseness prevention performance of the lifting hook are achieved.

Description

Technical Field

[0001] This utility model relates to the field of anti-loosening hooks, and in particular to an anti-loosening hook for monorail cranes. Background Technology

[0002] As a key component connecting lifting equipment and heavy objects, the anti-loosening performance of existing hooks directly affects operational safety. Existing anti-loosening hooks mostly use spring clips, locking pins, and other structures to prevent the load from falling. While these structures provide some protection, their effectiveness often diminishes due to wear and tear on the clips and loosening of the locking pins under conditions of frequent vibration and large load variations, posing safety hazards.

[0003] The existing monorail crane anti-loosening hook's main structure includes a hook body, an anti-loosening baffle, and an elastic component. The hook body is forged from high-strength alloy steel, and a rotatable anti-loosening baffle is installed at the hook opening. One end of the baffle is connected to the hook body via a pin, and the other end is connected to the elastic component. The elastic component constantly applies a force to the baffle towards the inside of the hook opening, ensuring the baffle is tightly pressed against the hook body, forming a closed space and preventing the load from accidentally slipping out. In addition, the top of the hook body is equipped with a connecting seat that mates with the monorail crane's guide rail, ensuring the hook can move smoothly along the rail.

[0004] However, this structure has obvious shortcomings. On the one hand, the anti-slip baffle relies solely on the force of the elastic component to remain closed. When a heavy object impacts or vibrates violently, the baffle is easily pushed open, failing to effectively prevent slippage. On the other hand, the long-term friction between the anti-slip baffle and the hook body, coupled with the repeated deformation of the elastic component under stress, leads to accelerated wear and reduced elasticity of the baffle. This prevents the baffle from effectively reducing the overall wear of the hook, shortening its service life and requiring frequent maintenance and replacement, thus increasing operating costs. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides an anti-loosening hook for monorail cranes, which aims to improve the problems that the hook cannot better prevent loosening and cannot effectively reduce the wear and tear of the hook.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a single-rail crane anti-loosening hook, comprising a hook, a block fixedly connected to the bottom of the hook, a cylinder rotatably connected to the inner groove of the block, long plates fixedly connected to both sides of the cylinder, a counterweight fixedly connected between the bottom of the two long plates, a fixing block fixedly connected to the top of the long plates, and the two fixing blocks abutting against the outer wall of the hook.

[0007] As a further description of the above technical solution:

[0008] A round rod is rotatably connected to the top of the hook. A second protective shell is rotatably connected to the left side of the round rod. A rotating block is rotatably connected to the right side of the round rod. A hinge is fixedly connected to the top of the rotating block. A first protective shell is fixedly connected to the top of the hinge. A rotating shaft is rotatably connected to the inner groove of the first protective shell. A turntable is fixedly connected to the outside of the rotating shaft.

[0009] As a further description of the above technical solution:

[0010] The right side of the round rod is rotatably and fixedly connected to a fixing rod.

[0011] As a further description of the above technical solution:

[0012] The rotating shaft is internally connected to a cylindrical shaft.

[0013] As a further description of the above technical solution:

[0014] The fixed rod is rotatably connected to the outer wall of the rotating block.

[0015] As a further description of the above technical solution:

[0016] The outer wall of the hook abuts against the rotating block, and the outer wall of the hook abuts against the inner wall of the second protective shell.

[0017] As a further description of the above technical solution:

[0018] The inner walls of the first and second protective shells are parallel to each other on both sides of the turntable.

[0019] As a further description of the above technical solution:

[0020] The cylinder is externally fitted inside the turntable.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, by combining the square and the cylindrical, during operation, the counterweights at the bottom of the two long plates are lifted, and then the long plates slide down, placing the item to be lifted into the hook and hanging it. Then the counterweights are released, and the long plates move up due to gravity, fixing the lifted item inside the hook, thus achieving the stability and anti-loosening properties of the hook.

[0023] 2. In this invention, the hook and its top round rod cooperate, and as the rope is inserted into the hook, the fixed rod inside the rotating block is rotated to the appropriate position. Then, the rotating block flips outward, the round rod is pulled out, the rope is inserted, and the round rod is reinserted and rotated to secure it. When sliding on the turntable, the rope slides more smoothly and lubricatedly in the upper circular rail, thus reducing wear on the hook. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of an anti-loosening hook for a monorail crane proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the hook structure for an anti-loosening hook for a monorail crane proposed in this utility model;

[0026] Figure 3 This is a schematic diagram of the protective shell structure for an anti-loosening hook for a monorail crane proposed in this utility model.

[0027] Legend:

[0028] 1. Hook; 2. Cube; 3. Cylinder I; 4. Counterweight; 5. Long plate; 6. Fixing block; 7. Round rod; 8. Fixing rod; 9. Hinge; 10. Protective shell I; 101. Protective shell II; 11. Turntable; 12. Rotating block; 13. Cylinder II; 14. Shaft. Detailed Implementation

[0029] 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.

[0030] Reference Figures 1-3 This utility model provides an embodiment of an anti-loosening hook for a monorail crane, comprising a hook 1, a block 2 fixedly connected to the bottom of the hook 1, a cylinder 3 rotatably connected to the inner groove of the block 2, long plates 5 fixedly connected to both sides of the cylinder 3, a counterweight 4 fixedly connected between the bottoms of the two long plates 5, and a fixing block 6 fixedly connected to the top of the long plates 5. The two fixing blocks 6 abut against the outer wall of the hook 1. Utilizing the combination of the block 2 and the cylinder, during operation, the counterweight 4 at the bottom of the two long plates 5 is lifted, and then the long plates 5 slide down, placing the object to be lifted into the hook 1 and securing it. Afterwards, the counterweight 4 is released, and the long plates 5 rise due to gravity, locking the lifted object in the hook 1, thereby ensuring the stability and anti-loosening properties of the hook 1.

[0031] Reference Figures 1-3A round rod 7 is rotatably connected to the top of the hook 1. A protective shell 101 is rotatably connected to the left side of the round rod 7, and a rotating block 12 is rotatably connected to the right side of the round rod 7. A hinge 9 is fixedly connected to the top of the rotating block 12, and a protective shell 10 is fixedly connected to the top of the hinge 9. A rotating shaft 14 is rotatably connected to the internal groove of the protective shell 10, and a turntable 11 is fixedly connected to the outside of the rotating shaft 14. Through the interaction between the hook 1 and the round rod 7 at its top, as the rope is inserted into the hook 1, the fixed rod 8 inside the rotating block 12 is rotated to the appropriate position. Then, the rotating block 12 flips outward, the round rod 7 is pulled out, and the rope is inserted. The round rod 7 is then reinserted and rotated to secure it. When sliding on the turntable 11, the sliding of the rope in the upper circular rail becomes smoother and more lubricated, reducing wear and tear on the hook 1.

[0032] Working Principle: Utilizing the cooperation between block 2 and cylinder, during operation, the counterweight 4 at the bottom of the two long plates 5 is first lifted. Then, the long plates 5 slide down, placing the item to be lifted into the hook 1 and securing it. Subsequently, the counterweight 4 is released, causing the long plates 5 to move upwards due to gravity, ensuring the lifted item is stable in the hook 1 and preventing it from falling. Through the cooperation between the hook 1 and the top round rod 7, when the rope is inserted into the hook 1, the fixed rod 8 inside the rotating block 12 is rotated to the appropriate position. Afterwards, the rotating block 12 flips outwards, the hinge 9 folds, the round rod 7 is pulled out, and the rope can be inserted. Then, the round rod 7 is reinserted into the hinge 9 to restore its original position and rotated to secure it. The rope slides on the turntable 11. Protective shell 10 and protective shell 2 101 better secure the rope to the turntable 11. When sliding on the turntable 11, the rope slides more smoothly and lubricatedly in the upper round rail, effectively reducing wear on the hook 1.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A non-loosening hook for a monorail crane, comprising a hook (1), characterized in that: The bottom of the hook (1) is fixedly connected to a block (2), and a cylinder (3) is rotatably connected to the inner groove of the block (2). Long plates (5) are fixedly connected to both sides of the cylinder (3). A counterweight (4) is fixedly connected between the bottoms of the two long plates (5). A fixing block (6) is fixedly connected to the top of the long plate (5). The two fixing blocks (6) abut against the outer wall of the hook (1).

2. The anti-loosening hook for a monorail crane according to claim 1, characterized in that: The top of the hook (1) is rotatably connected to a round rod (7). The left side of the round rod (7) is rotatably connected to a second protective shell (101). The right side of the round rod (7) is rotatably connected to a rotating block (12). The top of the rotating block (12) is fixedly connected to a hinge (9). The top of the hinge (9) is fixedly connected to a first protective shell (10). The groove inside the first protective shell (10) is rotatably connected to a rotating shaft (14). The outside of the rotating shaft (14) is fixedly connected to a turntable (11).

3. The anti-loosening hook for a monorail crane according to claim 2, characterized in that: The round rod (7) is rotatably and fixedly connected to a fixed rod (8) on its right side.

4. The anti-loosening hook for a monorail crane according to claim 2, characterized in that: The rotating shaft (14) is rotatably connected to a cylinder (13).

5. The anti-loosening hook for a monorail crane according to claim 3, characterized in that: The fixed rod (8) is rotatably connected to the outer wall of the rotating block (12).

6. The anti-loosening hook for a monorail crane according to claim 1, characterized in that: The outer wall of the hook (1) abuts against the rotating block (12), and the outer wall of the hook (1) abuts against the inner wall of the second protective shell (101).

7. The anti-loosening hook for a monorail crane according to claim 2, characterized in that: The inner walls of the first protective shell (10) and the second protective shell (101) are parallel to each other on both sides of the turntable (11).

8. The anti-loosening hook for a monorail crane according to claim 4, characterized in that: The cylinder 2 (13) is fitted inside the turntable (11).

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