CN218579446U

CN218579446U - Hook unhooking device

Info

Publication number: CN218579446U
Application number: CN202223044594.5U
Authority: CN
Inventors: 薛强; 张建峰; 张延年; 康恒; 桑恩; 刘彦丁; 杨永辉
Original assignee: Zhejiang Yitong Special Foundation Engineering Co ltd
Current assignee: Zhejiang Yitong Special Foundation Engineering Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-07
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a hook unhooking device, which comprises a hook and a hook frame which is cast and formed with the hook, wherein the hook frame is articulated with an anti-unhooking plate, a reset spring is arranged between the upper end of the anti-unhooking plate and the side wall of the hook frame, and the anti-unhooking plate seals a hanging opening of the hook under the action of the reset spring; the hook is sleeved with a limiting ring, one end of the limiting ring is fixed with a fixing ring, a first steel wire pull rope capable of preventing the hook from shaking is fixed through the fixing ring, the upper end of the limiting ring is fixed with an inserting ring, a second steel wire pull rope used for opening the anti-falling hook plate is inserted through the inserting ring, and one end of the second steel wire pull rope is fixed on the anti-falling hook plate; the utility model has the advantages of simple structure, convenient operation and low cost.

Description

Hook unhooking device

Technical Field

The utility model belongs to the technical field of the lifting hook, especially, relate to a lifting hook unhook device.

Background

A hook is the most common type of lifting device in a hoisting machine, and is often suspended from a steel cable of the hoisting machine by means of a pulley block or the like. In the field of construction, the lifting of a pile body is generally realized through a lifting hook in a lifting machine, but the existing lifting hook is generally provided with an anti-drop hook plate to prevent a steel rope hung in the lifting hook from slipping, so that the safety of the lifting hook in the lifting process is ensured; however, an automatic anti-drop hook plate is developed later, automatic pressing and resetting of the anti-drop hook plate can be achieved through matching of a controller and a mechanical transmission device, operation is simple and convenient, however, in the construction field, environment conditions are poor, workers do not live well, the controller and the mechanical transmission device are often damaged, use cost is high, and the purchase price of the lifting hook with the automatic anti-drop hook plate is expensive, so that a constructor is basically unwilling to purchase, and construction cost can be increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects existing in the prior art and provide a lifting hook unhooking device with simple structure, convenient operation and low cost.

The utility model aims to solve the problems that the hook unhooking device comprises a hook and a hook frame which is integrally cast and formed with the hook, wherein an anti-unhooking plate is hinged on the hook frame, a reset spring is arranged between the upper end of the anti-unhooking plate and the side wall of the hook frame, and the anti-unhooking plate seals a hanging opening of the hook under the action of the reset spring; the lifting hook is connected with a limiting ring in a sleeved mode, one end of the limiting ring is fixed with a fixing ring, a first steel wire pull rope capable of preventing the lifting hook from shaking is fixed to the fixing ring, an inserting ring is fixed to the upper end of the limiting ring, the inserting ring is inserted with a second steel wire pull rope used for enabling the anti-falling hook plate to be opened, and one end of the second steel wire pull rope is fixed to the anti-falling hook plate.

The utility model has the advantages that: compared with the prior art, through cup jointing the spacing ring on the lifting hook to fixed interlude ring sum solid fixed ring on the spacing ring, the workman is in operation process, holds first steel wire stay cord and down pulls the second steel wire stay cord simultaneously, can make the anticreep hook plate break away from the hook point of lifting hook and realize opening like this, and the closure can be realized through reset spring, has simple structure, convenient operation, advantage with low costs.

Preferably, the anti-drop hook plate comprises a main plate body and two side plates, the two side plates are respectively fixed on two sides of the main plate body, connecting holes are formed in the end parts of the two side plates, the connecting holes are communicated with shaft holes formed in the side wall of the hook hanging frame, and the anti-drop hook plate is hinged to the side wall of the hook hanging frame through a pin shaft; through hinging between the two side plates and the lifting hook frame, the whole anti-drop hook plate and the lifting hook frame are more convenient to disassemble and assemble.

Preferably, a bayonet is arranged at the end part of the main plate body close to the hook tip of the lifting hook, and the bayonet abuts against the side wall of the hook tip when the anti-drop hook plate is closed; through set up the bayonet socket on the mainboard body for the closure between the prong of anticreep hook plate and lifting hook is better, and the mainboard body passes through the bayonet socket embedding on the prong simultaneously, also further promotes the security of anticreep hook plate and lifting hook.

Preferably, the return spring is a return torsion spring, one end of the return spring is fixed on the end part of the main plate body, and the other end of the return spring is fixed on the side wall of the hook hanging frame; through selecting as the reset torsion spring, can make the opening angle of mousing-hook plate further increase, be more convenient for lift by crane putting into of steel cable, lifting efficiency.

Preferably, the main board body is provided with a through hole, the second steel wire pull rope penetrates through the through hole and is fixed on a fixing column arranged on the main board body, and the fixing column is positioned on one side of the through hole; the dismouting between the second steel wire stay cord and the mainboard body of being convenient for sets up the fixed column simultaneously, more is favorable to the fixed between second steel wire stay cord and the mainboard body.

Preferably, the fixing column is of a T-shaped structure and is positioned on the outer side of the main board body; through the fixed column that sets up T font structure for after fixing well between second steel wire stay cord and the fixed column, can obtain fine spacing, further promote the stability and the security of second steel wire stay cord.

Preferably, one end of the limiting ring is provided with a butting block, the butting block is positioned on the outer side of the lifting hook, the fixing ring is welded on one end of the butting block, and the penetrating ring is welded on the upper end of the butting block; through setting up the butt piece for the spacing ring is under the effort of first steel wire stay cord, and the butt piece can be fine contradicts with the lateral wall of lifting hook, can prevent skidding between spacing ring and the lifting hook, and stability and security are better.

Drawings

Fig. 1 is a schematic view of the front view structure of the hook unhooking device of the present invention.

Fig. 2 is a schematic diagram of the structure of the anti-drop hook plate of the present invention.

The reference numbers in the drawings are respectively: 1. a hook; 2. a hook frame; 3. an unhooking prevention plate; 4. a return spring; 5. a limiting ring; 6. a fixing ring; 7. a first wire rope; 8. inserting a ring; 9. a second wire rope; 11. hanging a mouth; 12. hooking a tip; 31. a main board body; 32. a side plate; 33. fixing the column; 51. a butting block; 31-1, bayonet; 31-2, through holes; 32-1 and connecting holes.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in the attached figure 1, the lifting hook comprises a lifting hook 1 and a lifting hook frame 2 which is integrally cast and formed with the lifting hook 1, wherein an anti-falling hook plate 3 is hinged on the lifting hook frame 2, a reset spring 4 is arranged between the upper end of the anti-falling hook plate 3 and the side wall of the lifting hook frame 2, and the lifting opening 11 of the lifting hook 1 is sealed by the anti-falling hook plate 3 under the action of the reset spring 4; the lifting hook 1 is sleeved with a limiting ring 5, one end of the limiting ring 5 is fixed with a fixing ring 6, a first steel wire pull rope 7 capable of preventing the lifting hook from shaking is fixed through the fixing ring 6, the upper end of the limiting ring 5 is fixed with an inserting ring 8, a second steel wire pull rope 9 used for enabling the anti-falling hook plate 3 to be opened is inserted through the inserting ring 8, and one end of the second steel wire pull rope 9 is fixed on the anti-falling hook plate 3.

As shown in fig. 2, the anti-unhooking plate 3 comprises a main plate body 31 and two side plates 32, wherein the two side plates 32 are fixed on two sides of the main plate body 31 respectively in a welding manner, connecting holes 32-1 are formed in end portions of the two side plates 32, the connecting holes 32-1 are communicated with shaft holes 21 formed in the side walls of the lifting hook frame 2, and the anti-unhooking plate 3 is hinged to the side walls of the lifting hook frame 2 through pin shafts; the end part of the main board body 31 close to the hook point 12 of the lifting hook 1 is provided with a bayonet 31-1, the bayonet 31-1 is abutted against the side wall of the hook point 12 when the anti-drop hook plate 3 is closed, and the bayonet edge of the bayonet 31-1 is abutted against the inner side wall of the hook point 12 when the anti-drop hook plate 3 is closed, so that the contact sealing stability between the anti-drop hook plate 3 and the hook point 12 is better, and the lifting steel rope can be prevented from being unhooked in the lifting process of the lifting hook unhooking device.

The return spring 4 is a return torsion spring, one end of the return spring 4 is fixed on the end of the main plate body 31, and the other end of the return spring 4 is fixed on the side wall of the hook frame 2.

A through hole 31-2 is formed in the main plate body 31, the second steel wire pull rope 9 penetrates through the through hole 31-2 and is fixed on a fixing column 33 arranged on the main plate body 31, and the fixing column 33 is located on one side of the through hole 31-2; the fixing post 33 is of a T-shaped structure, and the fixing post 33 is located on the outer side of the main board body 31.

One end of the limiting ring 5 is provided with a butt joint block 51, the butt joint block 51 is positioned on the outer side of the lifting hook 1, the fixing ring 6 is welded on one end of the butt joint block 51, and the inserting ring 8 is welded on the upper end of the butt joint block 51.

The utility model discloses a theory of operation does: when lifting by crane the steel cable and need hanging on lifting hook 1, this moment, the workman as long as pull first steel wire stay cord 7, stimulate second steel wire stay cord 9 and drop-down simultaneously, make anticreep hook plate 3 overturn in to lifting hook 1 through second steel wire stay cord 9, and make anticreep hook plate 3 break away from the hook point 12 realization of lifting hook 1 and open, at this moment, the workman will lift by crane the steel cable and hang in lifting hook 1, then loosen the pulling force to second steel wire stay cord 9, can realize the closure between the hook point 12 of anticreep hook plate 3 and lifting hook 1 through reset spring 4.

The utility model discloses not be limited to above-mentioned embodiment, no matter make any change on its shape or material constitution, all adopt the utility model provides a structural design all is the utility model discloses a warp, all should consider to be in within the protection scope of the utility model.

Claims

1. The utility model provides a lifting hook unhooking device, includes lifting hook (1) and with lifting hook (1) integrated into one piece casting lifting hook frame (2), its characterized in that: an anti-disengaging plate (3) is hinged to the hook frame (2), a return spring (4) is installed between the upper end of the anti-disengaging plate (3) and the side wall of the hook frame (2), and the anti-disengaging plate (3) seals a lifting opening (11) of the lifting hook (1) under the action of the return spring (4); spacing ring (5) have been cup jointed on lifting hook (1), the one end of spacing ring (5) is fixed with solid fixed ring (6), through gu fixed ring (6) are fixed with first steel wire stay cord (7) that can prevent the lifting hook from rocking, the upper end of spacing ring (5) is fixed with interlude ring (8), through interlude ring (8) are interlude have and are used for making second steel wire stay cord (9) that mousing hook plate (3) opened, just the one end of second steel wire stay cord (9) is fixed on mousing hook plate (3).

2. A lifting hook unhooking device as claimed in claim 1, wherein: the unhooking prevention plate (3) comprises a main plate body (31) and two side plates (32), the two side plates (32) are fixed on two sides of the main plate body (31) respectively, connecting holes (32-1) are formed in the end portions of the two side plates (32), the connecting holes (32-1) are communicated with shaft holes (21) formed in the side wall of the lifting hook frame (2), and the unhooking prevention plate (3) is hinged to the side wall of the lifting hook frame (2) through hinge pins.

3. A lifting hook unhooking device as claimed in claim 2, wherein: a bayonet (31-1) is arranged at the end part of the main plate body (31) close to the hook tip (12) of the lifting hook (1), and the bayonet (31-1) is abutted against the side wall of the hook tip (12) when the anti-drop hook plate (3) is closed.

4. A hook unhooking device as claimed in claim 2, wherein: reset spring (4) are reset torsion springs, the one end of reset spring (4) is fixed on the tip of mainboard body (31), the other end of reset spring (4) is fixed on the lateral wall of lifting hook frame (2).

5. A lifting hook unhooking device as claimed in claim 2, wherein: the main plate body (31) is provided with a through hole (31-2), the second steel wire pull rope (9) penetrates through the through hole (31-2) and is fixed on a fixing column (33) arranged on the main plate body (31), and the fixing column (33) is located on one side of the through hole (31-2).

6. A lifting hook unhooking device as claimed in claim 5, wherein: the fixing column (33) is of a T-shaped structure, and the fixing column (33) is located on the outer side of the main plate body (31).

7. A lifting hook unhooking device as claimed in claim 1, wherein: the one end of spacing ring (5) is equipped with butt joint piece (51), butt joint piece (51) are located the outside of lifting hook (1), just gu fixed ring (6) welding is in one of butt joint piece (51) is served, cross the welding of insert ring (8) is in the upper end of butt joint piece (51).