An anti-drop device for electric hoist hook

Abstract

The utility model discloses an anti-dropping device for an electric hoist hook, comprising a main body box for installation and a hook at the lower end, wherein the hook body is an overall circular ring with a notch, a placement cavity is provided inside the hook, a rotating hook is provided inside the placement cavity, a through hole is provided on the hook, a driven tooth is provided on the rotating hook, a driving component is provided above the through hole, a driving controller is controlled to control the driving motor to rotate and drive the driving gear to rotate and mesh with the driven tooth, so that the rotating hook rotates in the placement cavity to close the notch of the hook, and the sealing and opening of the notch of the hook are achieved mechanically, and the operation is convenient and simple.

Description

Technical Field

[0001] The utility model relates to the field of electric hoist hooks, in particular to an anti-dropping device for electric hoist hooks. Background Art

[0002] Electric hoist is a special lifting device that integrates power and braking force, including a reducer, a lifting motor, a running motor, a fire breaker, a cable slide, a drum device, a hook device, a coupling, a soft cable current introducer, etc. A hook will be installed at the lower end to facilitate connection with the lifting rope group to lift heavy objects;

[0003] For example, a utility model with authorization announcement number CN217838090U discloses an anti-drop hook device for an electric hoist, comprising a shell with a pulley rotatably installed inside, a plug hole being provided at the top of the shell, a hook being provided at the bottom of the shell, a mounting block fastened to the shell being provided above the hook, a fixed block being provided at the bottom of the mounting block, a movable shaft being passed through the lower part of the mounting block, a mounting groove being provided on the shell, a limiting cap being sleeved on both ends of the movable shaft being provided on the outer wall of the shell, and the mounting groove passing through one side of the shell; the hook comprises a main hook body connected to the fixed block, an upper hook body being hinged at the other end of the main hook body, and a baffle being hinged at the other end of the upper hook body. In the utility model, by setting the installation groove, it is only necessary to move the movable shaft along the installation groove to realize the rapid disassembly and assembly of the hook. By setting the upper hook body and the main hook body to be hinged, the baffle plate and the upper hook body to be hinged, and the baffle plate can be separated from the rope group that applies pressure by rotating the upper hook body. The directions in which the baffle plate and the upper hook body can be rotated are inconsistent. Therefore, when lifting heavy objects, it is necessary to use bolts to close the main hook body. When disassembling the rope group, it is also necessary to loosen the bolts and remove the rope group, which is relatively cumbersome. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides an anti-dropping device for an electric hoist hook, which controls the driving controller to control the driving motor to rotate and drive the driving gear to rotate and engage with the driven teeth, so that the rotating hook rotates in the placement cavity to close the hook gap. The sealing and opening of the hook gap are achieved mechanically, and the operation is convenient and simple.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-dropping device for an electric hoist hook, comprising a main body box installed and a hook at the lower end, the hook body as a whole is a circular ring with a notch, a placement cavity is opened inside the hook, a rotating hook is arranged inside the placement cavity, a through hole is opened on the hook, a driven tooth is opened on the rotating hook, and a driving assembly is arranged above the through hole.

[0006] As a preferred technical solution of the utility model, the driving assembly includes a driving box, a transmission shaft, a driving gear, a driving motor, and a driving controller. A driving box is arranged above the through hole, a transmission shaft is passed through the inside of the driving box, a driving gear is fixedly installed on the transmission shaft, a driving motor is arranged on the left side of the driving box, and the output shaft of the driving motor is fixedly connected to the transmission shaft.

[0007] As a preferred technical solution of the utility model, a pulley is arranged inside the installation main body box.

[0008] As a preferred technical solution of the utility model, a connecting shaft is passed through the lower end of the installation main body box.

[0009] As a preferred technical solution of the utility model, a connecting block is provided on the connecting shaft.

[0010] As a preferred technical solution of the utility model, a rotatable rotating shaft is connected below the connecting block.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] By controlling the driving controller to control the driving motor to rotate, the driving gear is driven to rotate and engage with the driven teeth, so that the rotating hook rotates in the placement cavity to close the hook gap. The sealing and opening of the hook gap are achieved mechanically, and the operation is convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main view structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the side view structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the internal structure of the drive box of the utility model;

[0017] Among them: 1. Install the main box; 2. Pulley; 3. Connecting shaft; 4. Connecting block; 5. Rotating shaft; 6. Hook; 7. Rotating hook; 8. Placement cavity; 9. Drive box; 10. Transmission shaft; 11. Drive gear; 12. Drive motor; 13. Drive controller; 14. Driven gear; 15. Through hole. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1 - Figure 4 As shown, the utility model provides an anti-drop device for an electric hoist hook, comprising a mounting main body box 1, a hook 6 at the lower end, a pulley 2 is arranged inside the mounting main body box 1, a connecting shaft 3 is passed through the lower end of the mounting main body box 1, and blocks are provided at both ends of the connecting shaft 3 to prevent the connecting shaft 3 from falling off, a connecting block 4 is arranged on the connecting shaft 3, and a rotatable rotating shaft 5 is connected below the connecting block 4;

[0021] like Figure 1 - Figure 4 As shown, the hook body of the hook 6 is a circular ring with a notch as a whole, a placement cavity 8 is provided inside the hook 6, the placement cavity 8 is a circular cavity, a rotating hook 7 is arranged inside the placement cavity 8, a through hole 15 is provided on the hook 6, a driven tooth 14 is provided on the rotating hook 7, the driven tooth 14 is located on the back of the rotating hook 7, a driving assembly is arranged above the through hole 15, the driving assembly includes a driving box 9, a transmission shaft 10, a driving gear 11, a driving motor 12, and a driving controller 13, a driving box 9 is arranged above the through hole 15, a transmission shaft 10 is passed through the driving box 9, a driving gear 11 is fixedly installed on the transmission shaft 10, and the driving gear 11 can pass through the through hole 15 and mesh with the driven tooth 14, a driving motor 12 is arranged on the left side of the driving box 9, and the output shaft of the driving motor 12 is fixedly connected to the transmission shaft 10;

[0022] When installing the rope group, first control the driving controller 13 to control the driving motor 12 to rotate, the driving motor 12 rotates to drive the driving gear 11 to rotate, the driving gear 11 rotates and meshes with the driven teeth 14, so that the rotating hook 7 rotates in the placement cavity 8, the gap of the hook 6 is opened, and the rope group is placed in the hook 6, and the driving controller 13 is controlled to control the driving motor 12 to rotate in the opposite direction, the driving motor 12 rotates to drive the driving gear 11 to rotate, the driving gear 11 rotates and meshes with the driven teeth 14, so that the rotating hook 7 rotates in the placement cavity 8, and the gap of the hook 6 is closed. After the lifting is completed, the same operation can be taken;

[0023] Specific working principle:

[0024] When using the device, first control the drive controller 13 to control the drive motor 12 to rotate. The rotation of the drive motor 12 drives the drive gear 11 to rotate. The drive gear 11 rotates and engages with the driven gear 14, so that the rotating hook 7 rotates in the placement cavity 8, and the gap of the hook 6 is opened. The rope group is placed in the hook 6. The drive controller 13 is controlled to control the drive motor 12 to rotate in the opposite direction. The rotation of the drive motor 12 drives the drive gear 11 to rotate. The drive gear 11 rotates and engages with the driven gear 14, so that the rotating hook 7 rotates in the placement cavity 8 and the gap of the hook 6 is closed. After the lifting is completed, the same operation can be taken.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-drop device for an electric hoist hook, comprising a mounting main body box (1) and a hook (6) at the lower end, characterized in that: The hook body of the hook (6) is a circular ring with a notch as a whole. A placement cavity (8) is provided inside the hook (6). A rotating hook (7) is arranged inside the placement cavity (8). A through hole (15) is provided on the hook (6). A driven tooth (14) is provided on the rotating hook (7). A driving component is arranged above the through hole (15).

2. The electric hoist hook anti-drop device according to claim 1, characterized in that: The driving assembly comprises a driving box (9), a transmission shaft (10), a driving gear (11), a driving motor (12), and a driving controller (13); the driving box (9) is arranged above the through hole (15); a transmission shaft (10) is passed through the driving box (9); a driving gear (11) is fixedly mounted on the transmission shaft (10); a driving motor (12) is arranged on the left side of the driving box (9); and an output shaft of the driving motor (12) is fixedly connected to the transmission shaft (10).

3. The electric hoist hook anti-drop device according to claim 1, characterized in that: A pulley (2) is arranged inside the installation main body box (1).

4. The electric hoist hook anti-drop device according to claim 3, characterized in that: A connecting shaft (3) is passed through the lower end of the installation main body box (1).

5. The electric hoist hook anti-drop device according to claim 4, characterized in that: A connecting block (4) is provided on the connecting shaft (3).

6. The electric hoist hook anti-drop device according to claim 5, characterized in that: A rotatable rotating shaft (5) is connected below the connecting block (4).

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