CN220351495U

CN220351495U - Lifting hook anti-drop device

Info

Publication number: CN220351495U
Application number: CN202322038163.6U
Authority: CN
Inventors: 王德晓
Original assignee: Qingdao Dexing Rigging Co ltd
Current assignee: Qingdao Dexing Rigging Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-16
Anticipated expiration: 2033-07-31

Abstract

The utility model relates to the technical field of lifting hook anti-drop, and discloses a lifting hook anti-drop device, which solves the problems that the existing lifting hook with an anti-drop structure needs to be opened manually when an article is hung, and further increases the operation burden; this design need not manual operation at the in-process that the lifting hook body opened and shut, the effectual operation burden that has alleviateed.

Description

Lifting hook anti-drop device

Technical Field

The utility model belongs to the technical field of lifting hook anti-drop, and particularly relates to a lifting hook anti-drop device.

Background

The lifting hook is the most common lifting appliance in the lifting machinery, the lifting hook is often hung on a steel wire rope of a lifting mechanism by means of components such as a pulley block, and a rope unhooking phenomenon is easy to occur in the operation process of a crane without the lifting hook unhooking prevention device, so that a heavy object is dropped, and safety accidents are caused, therefore, whether the lifting hook is provided with the unhooking prevention device or not is listed as a forced necessary detection item in the detection of special equipment every year, and the detection requirement that the lifting hook should be provided with the unhooking prevention device and should be effective is required.

But current lifting hook that has anticreep structure, after transporting the prescribed position with the heavy object, need have other people to cooperate, just can open the anticreep structure on the lifting hook, this in-process needs the labour to throw into, and then has increased the operation burden.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the lifting hook anti-falling device, which effectively solves the problem that the existing lifting hook with the anti-falling structure needs to be opened manually when hanging articles, thereby increasing the operation burden.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lifting hook anticreep device, includes the lifting hook spliced pole, the bottom of lifting hook spliced pole is equipped with the lifting hook body, the notch has been seted up to the one end of lifting hook body, one side slidable mounting of lifting hook spliced pole has the lifting frame, one side of lifting hook spliced pole is equipped with the lift group of being connected with the lifting frame, the bottom of lifting frame is equipped with the rotation axis, the middle part cover of rotation axis is equipped with gear one, the inside of lifting frame is equipped with the circulator of being connected with gear one, be connected with the rotation seat on the rotation axis, the bottom of rotation seat is equipped with the connecting rod, the bottom of connecting rod is located the one end top of lifting hook body, and one side of connecting rod is equipped with the cardboard that is located notch one side, be equipped with the draw-in bar that is located the notch inside on the cardboard, the inside of notch is equipped with the locking piece of being connected with the draw-in bar.

Preferably, the rotator comprises a motor, a second gear, a mounting shaft and a third gear, the motor is arranged on the inner wall of the lifting frame, the second gear is connected with the output shaft of the motor, the mounting shaft is arranged on the inner wall of the lifting frame, the third gear is sleeved on the mounting shaft, and the third gear is respectively meshed with the second gear and the first gear.

Preferably, a sliding rod is symmetrically arranged on one side of the lifting frame, a sliding groove which is in sliding connection with the sliding rod is formed in the side wall of the lifting hook connecting column, and the sliding rod is of a T-shaped structure.

Preferably, an opening is formed in one side of the lifting frame, and the opening and the rotating seat are of U-shaped structures.

Preferably, the lifting group comprises a stabilizing cylinder, a telescopic rod, a second spring and a toothed plate, wherein the stabilizing cylinder is arranged on one side of the lifting hook connecting column, the telescopic rod is inserted into the stabilizing cylinder, the telescopic rod is connected with the top end of the lifting frame, the inside of the stabilizing cylinder is connected with the top end of the telescopic rod through the second spring, the toothed plate penetrating through the opening is arranged on one side of the lifting hook connecting column, and the toothed plate is meshed with the second gear.

Preferably, the locking piece comprises a first spring, a socket, a groove and a plug rod, the socket is formed in the bottom end of the clamping rod, the groove is formed in the inner bottom end of the groove, the plug rod extending to the inside of the socket is inserted in the groove, and the inner bottom end of the groove is connected with the plug rod through the first spring.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, through being provided with lifting hook spliced pole, the lifting hook body, the notch, the lifting frame, the connecting rod, the cardboard, the clamping lever, the rotation axis, rotate the seat, gear one, the circulator and lifting group, be convenient for realize that the connecting rod deflects at the in-process of lift, for the connecting rod is convenient to the opening and shutting of lifting hook body, conveniently hang rope article on the lifting hook body, and the design of cooperation locking piece, realize the fastening to the clamping lever, make lifting hook body, connecting rod and lifting frame constitute the sealing ring, the connection compactness of connecting rod and lifting hook body has been improved, and then can avoid hanging rope article on the lifting hook body rather than breaking away from, realize the anticreep performance of lifting hook, and then improved the safety in utilization and the stability in use of lifting hook, the in-process that the lifting hook body opened and shut need not manual operation simultaneously, the effectual labor burden that has alleviateed.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a hook drop-preventing device according to the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at B in FIG. 1;

FIG. 4 is a schematic diagram of a connection structure between a lifting frame and a lifting group according to the present utility model;

in the figure: 1. a hook connecting column; 2. a hook body; 3. a notch; 4. a lifting frame; 5. a connecting rod; 6. a clamping plate; 7. a clamping rod; 8. a rotation shaft; 9. a rotating seat; 10. a first gear; 11. a first spring; 12. a stabilizing cylinder; 13. a telescopic rod; 14. a second spring; 15. a toothed plate; 16. an opening; 17. a slide bar; 18. a chute; 19. a motor; 20. a second gear; 21. a mounting shaft; 22. a third gear; 23. a socket; 24. a groove; 25. and a plunger.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the utility model comprises a lifting hook connecting column 1, wherein the bottom end of the lifting hook connecting column 1 is provided with a lifting hook body 2, one end of the lifting hook body 2 is provided with a notch 3, one side of the lifting hook connecting column 1 is slidably provided with a lifting frame 4, one side of the lifting hook connecting column 1 is provided with a lifting group connected with the lifting frame 4, the bottom end of the lifting frame 4 is provided with a rotating shaft 8, the middle part of the rotating shaft 8 is sleeved with a gear I10, the inside of the lifting frame 4 is provided with a rotator connected with the gear I10, the rotating shaft 8 is connected with a rotating seat 9, the bottom end of the rotating seat 9 is provided with a connecting rod 5, the bottom end of the connecting rod 5 is positioned at the top of one end of the lifting hook body 2, one side of the connecting rod 5 is provided with a clamping plate 6 positioned at one side of the notch 3, the clamping plate 6 is provided with a clamping rod 7 positioned in the notch 3, and the inside of the notch 3 is provided with a locking piece connected with the clamping rod 7; through the cooperation design of circulator and lifting group, be convenient for realize that connecting rod 5 deflects at the in-process of going up and down, and then conveniently hang rope article on lifting hook body 2, hang the completion back, can make the bottom of connecting rod 5 be located the top of lifting hook body 2, and then the design of cooperation locking piece, realize the fastening to clamping lever 7, make lifting hook body 2, connecting rod 5 and lifting frame 4 constitute the sealing ring, the connection compactness of connecting rod 5 and lifting hook body 2 has been improved, can avoid hanging rope article on lifting hook body 2 rather than breaking away from, realize the anticreep performance of lifting hook, and then the safety in utilization and the stability in use of lifting hook have been improved.

The rotator comprises a motor 19, a second gear 20, a mounting shaft 21 and a third gear 22, wherein the motor 19 is arranged on the inner wall of the lifting frame 4, the second gear 20 is connected with the output shaft of the motor 19, the mounting shaft 21 is arranged on the inner wall of the lifting frame 4, the third gear 22 is sleeved on the mounting shaft 21, and the third gear 22 is respectively meshed and connected with the second gear 20 and the first gear 10;

through starter motor 19, motor 19 drives gear two 20 rotations, through gear two 20 and gear three 22's meshing relation of connection, can make gear three 22 rotate, through gear three 22 and gear one 10's meshing relation of connection, can make gear one 10 rotatory, gear one 10 can drive rotation axis 8 rotation, rotation axis 8 drives rotation seat 9 rotation, and then rotation seat 9 can drive connecting rod 5 swing, realize the deflection of connecting rod 5, and then be convenient for make lifting hook body 2's top open and shut the operation, hang article for lifting hook body 2 and offer convenience, when closing lifting hook body 2, realize lifting hook body 2's anticreep design, and then improved lifting hook body 2 and hung article's stability.

A sliding rod 17 is symmetrically arranged on one side of the lifting frame 4, a sliding groove 18 which is in sliding connection with the sliding rod 17 is formed in the side wall of the lifting hook connecting column 1, the sliding rod 17 is of a T-shaped structure, an opening 16 is formed in one side of the lifting frame 4, the opening 16 and the rotating seat 9 are of U-shaped structures, the lifting group comprises a stabilizing cylinder 12, a telescopic rod 13, a spring II 14 and a toothed plate 15, the stabilizing cylinder 12 is arranged on one side of the lifting hook connecting column 1, the telescopic rod 13 is inserted into the stabilizing cylinder 12, the telescopic rod 13 is connected with the top end of the lifting frame 4, the inside of the stabilizing cylinder 12 is connected with the top end of the telescopic rod 13 through the spring II 14, the toothed plate 15 penetrating through the inside of the opening 16 is arranged on one side of the lifting hook connecting column 1, and the toothed plate 15 is meshed and connected with the gear II 20;

through starting the motor 19, the motor 19 can drive the gear II 20 to rotate, through the meshing connection relation between the gear II 20 and the toothed plate 15, the gear II 20 can roll on one side of the toothed plate 15, and then the lifting frame 4 can be driven to lift on one side of the lifting hook connecting post 1, and then the opening 16 can slide outside the toothed plate 15, meanwhile, the sliding rod 17 can slide in the sliding groove 18, and meanwhile, the lifting frame 4 can drive the telescopic rod 13 to stretch out and draw back in the stabilizing cylinder 12 in the lifting process, when the gear II 20 moves downwards on one side of the toothed plate 15, the rotating seat 9 can be close to the lifting hook connecting post 1, and then the rotating seat 9 can drive the connecting rod 5 to rotate towards one side of the lifting hook body 2, and then the connecting rod 5 can rotate to the top end of the lifting hook body 2 in the downward moving process, and then the clamping plate 6 on one side of the connecting rod 5 is positioned on one side of the notch 3, so that the closing operation of the connecting rod 5 on the lifting hook body 2 can be realized, and the anti-falling design of the lifting hook body 2 is effectively improved;

when the article is hung on the hook body 2, the motor 19 is started, the gear II 20 can rotate, then the gear II 20 moves upwards on the toothed plate 15 through the meshing connection relation of the gear II 20 and the toothed plate 15, then the lifting frame 4 can slide upwards on one side of the hook connecting column 1, the lifting frame 4 can drive the connecting rod 5 to move upwards, meanwhile, the rotating seat 9 can drive the connecting rod 5 to rotate through the meshing connection relation of the gear III 22 and the gear I10, the connecting rod 5 deflects towards the direction far away from one side of the hook connecting column 1, the top end of the hook body 2 is opened, the article is hung on the hook body 2 conveniently, and convenience is effectively provided for hanging the article on the hook body 2.

The locking piece comprises a first spring 11, a socket 23, a groove 24 and a plug rod 25, the socket 23 is formed at the bottom end of the clamping rod 7, the groove 24 is formed at the inner bottom end of the notch 3, the plug rod 25 extending to the inside of the socket 23 is inserted in the groove 24, and the inner bottom end of the groove 24 is connected with the plug rod 25 through the first spring 11; when connecting rod 5 moves down and to the in-process that lifting hook body 2 deflected, can make the bottom of connecting rod 5 remove to the top of lifting hook body 2, simultaneously connecting rod 5 can drive cardboard 6 to lifting hook body 2 be close to make cardboard 6 be located one side of notch 3, cardboard 6 can drive the card pole 7 simultaneously and be located the inside of notch 3, and then card pole 7 can extrude inserted bar 25 and move down, can make spring one 11 compression, after socket 23 moves to the directly over the inserted bar 25, under spring one 11 reverse effort, can make the top of inserted bar 25 insert in socket 23, and then realize the fixed of inserted bar 25 to card pole 7, the effectual lifting hook body 2 that has improved is connected compactedness with connecting rod 5, realize closing lifting hook body 2 top, and then realize the anticreep design of lifting hook body 2, the effectual stability of hanging of improving article.

Claims

1. The utility model provides a lifting hook anticreep device, includes lifting hook spliced pole (1), its characterized in that: the lifting hook comprises a lifting hook connecting column (1), wherein the bottom of the lifting hook connecting column (1) is provided with a lifting hook body (2), one end of the lifting hook body (2) is provided with a notch (3), one side of the lifting hook connecting column (1) is provided with a lifting frame (4), one side of the lifting hook connecting column (1) is provided with a lifting group connected with the lifting frame (4), the bottom of the lifting frame (4) is provided with a rotating shaft (8), the middle part of the rotating shaft (8) is sleeved with a gear I (10), the inside of the lifting frame (4) is provided with a rotator connected with the gear I (10), the rotating shaft (8) is connected with a rotating seat (9), the bottom of the rotating seat (9) is provided with a connecting rod (5), the bottom of the connecting rod (5) is located at one end top of the lifting hook body (2), one side of the connecting rod (5) is provided with a clamping plate (6) located at one side of the notch (3), the clamping plate (6) is provided with a clamping rod (7) located inside the notch (3), and the inside of the notch (3) is provided with a locking piece connected with the clamping rod (7).

2. The hook release-preventing device according to claim 1, wherein: the rotator comprises a motor (19), a gear II (20), a mounting shaft (21) and a gear III (22), wherein the motor (19) is arranged on the inner wall of the lifting frame (4), the gear II (20) is connected with an output shaft of the motor (19), the mounting shaft (21) is arranged on the inner wall of the lifting frame (4), the gear III (22) is sleeved on the mounting shaft (21), and the gear III (22) is respectively connected with the gear II (20) and the gear I (10) in a meshed manner.

3. The hook release-preventing device according to claim 1, wherein: one side of the lifting frame (4) is symmetrically provided with a sliding rod (17), the side wall of the lifting hook connecting column (1) is provided with a sliding groove (18) which is in sliding connection with the sliding rod (17), and the sliding rod (17) is of a T-shaped structure.

4. The hook release-preventing device according to claim 2, wherein: an opening (16) is formed in one side of the lifting frame (4), and the opening (16) and the rotating seat (9) are of U-shaped structures.

5. The hook release-preventing apparatus of claim 4, wherein: lifting group is including steady section of thick bamboo (12), telescopic link (13), spring two (14) and pinion rack (15), one side of lifting hook spliced pole (1) is equipped with steady section of thick bamboo (12), the inside of steady section of thick bamboo (12) is interlude has telescopic link (13), telescopic link (13) are connected with the top of lifting frame (4), the inside of steady section of thick bamboo (12) is connected with telescopic link (13) top through spring two (14), and one side of lifting hook spliced pole (1) is installed and is run through in inside pinion rack (15) of opening (16), and pinion rack (15) are connected with gear two (20) meshing.

6. The hook release-preventing device according to claim 1, wherein: the locking piece comprises a first spring (11), a socket (23), a groove (24) and an inserting rod (25), the socket (23) is formed in the bottom end of the clamping rod (7), the groove (24) is formed in the inner bottom end of the notch (3), the inserting rod (25) extending to the inside of the socket (23) is inserted in the groove (24), and the inner bottom end of the groove (24) is connected with the inserting rod (25) through the first spring (11).