Crane hook with anti-falling structure

Abstract

The utility model relates to the field of crane hooks, in particular to a crane hook with an anti-falling structure. Comprising a fixing plate, a mounting groove is formed in the bottom of the fixing plate, a movable rod is arranged in the mounting groove, the movable rod is fixedly sleeved with a mounting block, a hook body is mounted at the bottom of the mounting block, a moving groove is formed in the end, close to the mounting block, of the hook body, and a mounting cavity is formed in the other end of the hook body; a movable groove is formed in one side wall of the hook body, a movable arc-shaped clamping block is arranged in the movable groove, the movable arc-shaped clamping block slides in the movable groove, a sliding groove is formed in one side wall of the hook body, the sliding groove communicates with the movable groove, a connecting block is arranged in the sliding groove, one end of the connecting block is installed on the movable arc-shaped clamping block, and a fixed block is installed at the other end of the connecting block; the fixing block is located at one end of the hook body. According to the embodiment of the invention, the device is not blocked when being hung and taken down, the operation is smooth, and the practicability is improved while the convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of crane hooks, and particularly relates to a crane hook with an anti - detachment structure. Background Technique

[0002] A crane refers to a multi - action lifting machine that vertically lifts and horizontally transports heavy objects within a certain range. It is also known as an overhead crane, gantry crane, or hoist. Some working characteristics of lifting equipment are intermittent movements, that is, in a working cycle, the corresponding mechanisms for actions such as material taking, transporting, and unloading work alternately. The development and use of cranes in the market are becoming more and more extensive. Cranes are widely used in the hoisting process of objects, and the hook is one of the most important parts.

[0003] After retrieval, in the prior art, the Chinese patent publication number: CN207726596U, the authorization publication date: August 14, 2018, discloses an anti - detachment hook for a crane, including a fixing plate. A positioning column is fixedly connected to the top of the fixing plate, a clamping plate is fixedly connected to the bottom of the fixing plate, an activity groove is opened on the clamping plate, activity holes are communicated with the top of the front side and the rear side of the inner cavity of the activity groove, an activity rod is arranged through the top of the inner cavity of the activity groove, the front side and the rear side of the activity rod penetrate through the activity holes and are fixedly connected with limiting discs. The inner diameters of the two activity holes are larger than the outer diameter of the activity rod, the shape of the limiting disc is circular, and the diameter of the limiting disc is larger than the diameter of the activity hole. Through the limiting disc, the activity rod can be effectively limited to avoid the problem of the activity rod falling off the clamping plate. A connecting plate is sleeved on the central part of the surface of the activity rod. The above - mentioned embodiment greatly facilitates the use of the hook and is worthy of promotion.

[0004] However, this device still has the following defects: The above - mentioned embodiment lacks convenience. The anti - detachment function causes inconvenience when taking and hanging items, or makes it impossible to take and hang items successfully, thus reducing the practicality of the equipment. Content of the Utility Model

[0005] In view of the above problems, the utility model provides a crane hook with an anti - detachment structure, including a fixing plate. An installation groove is opened at the bottom of the fixing plate, an activity rod is arranged in the installation groove, an installation block is fixedly sleeved on the activity rod, a hook body is installed at the bottom of the installation block, a moving groove is opened at one end of the hook body close to the installation block, an installation cavity is opened at the other end of the hook body, a moving arc - shaped clamping block is arranged in the moving groove, and the moving arc - shaped clamping block slides in the moving groove;

[0006] A sliding groove is opened on one side wall of the hook body, the sliding groove is communicated with the moving groove, a connecting block is arranged in the sliding groove, one end of the connecting block is installed on the moving arc - shaped clamping block, and the other end of the connecting block is installed with a fixing block, and the fixing block is located at one end of the hook body.

[0007] Further, a positioning post is installed on the top of the fixed plate, and a set of limit discs are installed after both ends of the movable rod penetrate through the fixed plate. The two limit discs are symmetrically arranged at both ends of the fixed plate.

[0008] Further, an electric slide is vertically embedded on one side wall of the mounting block. A motor is slidably connected to the output end of the electric slide, and a first mounting block is drivingly connected to the output end of the motor.

[0009] Further, a cavity is formed in the fixed block, and an empty groove is formed at the center of the side wall of the fixed block away from the connecting block. The empty groove communicates with the cavity.

[0010] Further, a second mounting block is slidably attached to the side wall of the fixed block away from the connecting block, and a fixed column is installed at the center of the side wall of the second mounting block close to the fixed block.

[0011] Further, a rotating block is installed at one end of the fixed column away from the second mounting block, and the rotating block is arranged in a disc shape.

[0012] Further, the fixed column is located in the empty groove, and the rotating block is located in the cavity.

[0013] Further, a connecting rod is installed on one side wall of the first mounting block, and the other end of the connecting rod is installed on the second mounting block.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. One end of the movable arc-shaped block moves into the installation cavity, making the hook body circular, so that the object will not fall off after being hung. When the movable arc-shaped block moves out of the installation cavity and into the moving groove, the item can be removed. There is no obstruction when hanging and removing, and the operation is smooth, improving the convenience and practicality at the same time.

[0016] 2. The electric slide drives the motor to move while driving the first mounting block to move. The motor drives the first mounting block to rotate while driving the connecting rod to move. The connecting rod drives the second mounting block to move while driving the fixed block to move. The fixed block drives the connecting block to move while driving the movable arc-shaped block to move. One end of the movable arc-shaped block moves into the installation cavity, making the hook body circular, improving the stability effect, achieving the anti-detachment effect, and improving the safety.

[0017] Other features and advantages of the present utility model will be described in the following specification, and, in part, will be obvious from the specification, or will be understood by implementing the present utility model. The objectives and other advantages of the present utility model can be realized and obtained by the structures pointed out in the specification, the claims, and the drawings. Description of the Drawings

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 Shows a schematic structural diagram of a hook according to an embodiment of the present invention;

[0020] Figure 2 Shows a schematic cross-sectional view of a hook according to an embodiment of the present invention;

[0021] Figure 3 Shows a schematic cross-sectional view of a hook body according to an embodiment of the present invention;

[0022] Figure 4 Shows an enlarged view of part A according to an embodiment of the present invention;

[0023] Figure 5 Shows an enlarged view of part B according to an embodiment of the present invention.

[0024] In the figure: 1, fixed plate; 2, installation groove; 3, movable rod; 4, limit disk; 5, installation block; 6, electric sliding table; 7, motor; 8, first installation block; 9, positioning column; 10, hook body; 11, moving groove; 12, installation cavity; 13, moving arc-shaped clamping block; 14, sliding groove; 15, connecting block; 16, fixed block; 17, cavity; 18, empty groove; 19, second installation block; 20, fixed column; 21, rotating block; 22, connecting rod. Detailed implementation manners

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0026] The embodiments of the present invention provide a crane hook with an anti-detachment structure, including a fixed plate 1. Exemplarily, such as Figure 1 、 Figure 2 and Figure 4As shown, a positioning column 9 is installed at the top of the fixing plate 1. An installation groove 2 is opened at the bottom of the fixing plate 1. A movable rod 3 is arranged in the installation groove 2. Both ends of the movable rod 3 penetrate through the fixing plate 1 and are installed with a group of limit discs 4. The two groups of limit discs 4 are symmetrically arranged at both ends of the fixing plate 1. An installation block 5 is fixedly sleeved on the movable rod 3. An electric slide 6 is vertically embedded on one side wall of the installation block 5. A motor 7 is slidably connected to the output end of the electric slide 6. A first installation block 8 is drivingly connected to the output end of the motor 7. A hook body 10 is installed at the bottom of the installation block 5. A moving groove 11 is opened at one end of the hook body 10 close to the installation block 5. An installation cavity 12 is opened at the other end of the hook body 10. A moving arc-shaped clamping block 13 is arranged in the moving groove 11. The moving arc-shaped clamping block 13 slides in the moving groove 11.

[0027] Exemplarily, as Figure 2 , Figure 3 and Figure 5 shown, a sliding groove 14 is opened on one side wall of the hook body 10. The sliding groove 14 is communicated with the moving groove 11. A connecting block 15 is arranged in the sliding groove 14. One end of the connecting block 15 is installed on the moving arc-shaped clamping block 13. The other end of the connecting block 15 is installed with a fixing block 16. The fixing block 16 is located at one end of the hook body 10. A cavity 17 is opened in the fixing block 16. An empty groove 18 is opened at the center of the side wall of the fixing block 16 away from the connecting block 15. The empty groove 18 is communicated with the cavity 17. A second installation block 19 is slidably attached to the side wall of the fixing block 16 away from the connecting block 15. A fixing column 20 is installed at the center of the side wall of the second installation block 19 close to the fixing block 16. The fixing column 20 is located in the empty groove 18. A rotating block 21 is installed at the end of the fixing column 20 away from the second installation block 19. The rotating block 21 is located in the cavity 17. The rotating block 21 is arranged in a disc-shaped structure. A connecting rod 22 is installed on one side wall of the first installation block 8. The other end of the connecting rod 22 is installed on the second installation block 19.

[0028] Working principle: An object is hung on the hook body 10. The electric slide table 6 and the motor 7 are started simultaneously. While the electric slide table 6 drives the motor 7 to move, it also drives the first mounting block 8 and the connecting rod 22 to move. While the motor 7 drives the first mounting block 8 to rotate, it also drives the connecting rod 22 to move. The connecting rod 22 drives the second mounting block 19 to move while driving the fixed block 16 to move. The fixed column 20 and the rotating block 21 rotate in the empty slot 18 and the cavity 17 respectively. The fixed block 16 drives the connecting block 15 to move while driving the movable arc-shaped clamping block 13 to move. One end of the movable arc-shaped clamping block 13 moves into the installation cavity 12, making the hook body 10 circular, so that the object will not fall off after being hung. While the electric slide table 6 drives the motor 7 to move, it also drives the first mounting block 8 and the connecting rod 22 to move. While the motor 7 drives the first mounting block 8 to rotate in the reverse direction, it also drives the connecting rod 22 to move. After the movable arc-shaped clamping block 13 moves out of the installation cavity 12 and enters the moving slot 11, the item can be taken down.

[0029] One end of the movable arc-shaped clamping block 13 moves into the installation cavity 12, making the hook body 10 circular, so that the object will not fall off after being hung. After the movable arc-shaped clamping block 13 moves out of the installation cavity 12 and enters the moving slot 11, the item can be taken down. There is no obstruction during hanging and taking down, and the operation is smooth, improving convenience and practicality at the same time.

[0030] While the electric slide table 6 drives the motor 7 to move, it also drives the first mounting block 8 to move. While the motor 7 drives the first mounting block 8 to rotate, it also drives the connecting rod 22 to move. The connecting rod 22 drives the second mounting block 19 to move while driving the fixed block 16 to move. The fixed block 16 drives the connecting block 15 to move while driving the movable arc-shaped clamping block 13 to move. One end of the movable arc-shaped clamping block 13 moves into the installation cavity 12, making the hook body 10 circular, improving the stability effect, achieving an anti-detachment effect, and improving safety.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A crane hook with an anti-slip structure, comprising a fixing plate (1), characterized in that: The bottom of the fixed plate (1) is provided with a mounting groove (2), a movable rod (3) is arranged in the mounting groove (2), a mounting block (5) is fixedly sleeved on the movable rod (3), a hook body (10) is installed at the bottom of the mounting block (5), a movable groove (11) is arranged at one end of the hook body (10) close to the mounting block (5), a mounting cavity (12) is arranged at the other end of the hook body (10), a movable arc-shaped clamping block (13) is arranged in the movable groove (11), and the movable arc-shaped clamping block (13) slides in the movable groove (11); A slide groove (14) is provided on one side wall of the hook body (10), the slide groove (14) is communicated with the movable groove (11), a connecting block (15) is provided in the slide groove (14), one end of the connecting block (15) is mounted on the movable arc-shaped clamping block (13), and a fixed block (16) is mounted on the other end of the connecting block (15), and the fixed block (16) is located at one end of the hook body (10).

2. The crane hook with an anti-slip structure according to claim 1, characterized in that: A positioning column (9) is installed on the top of the fixed plate (1), and a set of limiting plates (4) are installed after both ends of the movable rod (3) penetrate the fixed plate (1), and two sets of limiting plates (4) are symmetrically arranged at the two ends of the fixed plate (1).

3. The crane hook with an anti-slip structure according to claim 1, characterized in that: An electric slide (6) is vertically embedded on one side wall of the mounting block (5); a motor (7) is slidably connected to the output end of the electric slide (6); and a first mounting block (8) is transmission-connected to the output end of the motor (7).

4. The crane hook with an anti-slip structure according to claim 3 is characterized in that: A cavity (17) is provided in the fixing block (16), and a slot (18) is provided at the center of a side wall of the fixing block (16) away from the connecting block (15), wherein the slot (18) is in communication with the cavity (17).

5. The crane hook with an anti-slip structure according to claim 4, characterized in that: A second mounting block (19) is slidably fitted on a side wall of the fixing block (16) away from the connecting block (15), and a fixing column (20) is mounted on the second mounting block (19) at the center of a side wall close to the fixing block (16).

6. The crane hook with an anti-slip structure according to claim 5, characterized in that: A rotating block (21) is installed at one end of the fixed column (20) away from the second mounting block (19), and the rotating block (21) is a disc-shaped structure.

7. The crane hook with an anti-slip structure according to claim 6, characterized in that: The fixed column (20) is located in the empty slot (18), and the rotating block (21) is located in the cavity (17).

8. The crane hook with an anti-slip structure according to claim 5, characterized in that: A connecting rod (22) is mounted on one side wall of the first mounting block (8), and the other end of the connecting rod (22) is mounted on the second mounting block (19).

Images