CN212403182U

CN212403182U - Unhooking prevention device for mechanical hoisting

Info

Publication number: CN212403182U
Application number: CN202021153025.2U
Authority: CN
Inventors: 刘智慧; 何美琳; 刘斌
Original assignee: China Energy Engineering Group Shanxi No1 Electric Power Construction Co Ltd
Current assignee: China Energy Engineering Group Shanxi No1 Electric Power Construction Co Ltd
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-01-26
Anticipated expiration: 2030-06-20

Abstract

The utility model discloses an unhooking-proof device for mechanical hoisting, which comprises a lifting hook, wherein one side of the inner arc of the lifting hook is provided with a fan-shaped block, the fan-shaped block is provided with a first through hole and a groove, one end of the fan-shaped block is fixedly connected with a rotating shaft, a rotating shaft sleeve is provided with a connecting block, the connecting block is rotatably connected with the rotating shaft, one end of the connecting block is fixedly connected with the lifting hook, the connecting block is provided with a second through hole, a sliding block is arranged in the second through hole and is in sliding connection with the second through hole, one end of the sliding block, which is out of the range of the second through hole sleeve, is sleeved with a cylinder, one end of the cylinder is fixedly connected with the connecting block, the utility model is different from the traditional lifting hook which needs to push away a limit stop, the utility model is not provided with a baffle plate, avoids the risk of clamping operators existing in, more time-saving and labor-saving, low strength and high efficiency.

Description

Unhooking prevention device for mechanical hoisting

Technical Field

The utility model relates to a hoist and mount mousing-hook technical field specifically is a machinery is mousing-hook device for hoist and mount.

Background

At the transport, widely use hoist device when hoist and mount large-scale or heavy object, the lifting hook is one of the most common hoist among hoist device, the opening part of lifting hook is equipped with anti-disengaging structure mostly, prevent under the condition that receives external factor influence, the rope drops and leads to staff's safety to go wrong, the anti-disengaging structure that sets up on traditional lifting hook increases dog and torsional spring at the opening part of conventional lifting hook mostly, the dog utilizes the tension of torsional spring to make the free end support on the prong inner wall of lifting hook, when needs use the lifting hook, direct rope striking dog with needs hoist and mount, the rope slides in the lifting hook back smoothly, the dog resets and makes the lifting hook form a confined ring, the unhook of hoist and mount in-process rope has been prevented.

However, the limit of the torsion spring enables the stop block to bear larger elasticity, so that time and labor are wasted during the process of installing and uninstalling the rope, the labor intensity of operators is increased, the working efficiency is reduced, and the risk of clamping the operators is also existed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an mousing-hook device is used in machinery hoist and mount to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-unhooking device for mechanical hoisting comprises a lifting hook, wherein a sector block is arranged on one side of the inner arc of the lifting hook, the fan-shaped block is provided with a first through hole and a groove, one end of the fan-shaped block is fixedly connected with a rotating shaft, the rotating shaft is sleeved with a connecting block, the connecting block is rotationally connected with the rotating shaft, one end of the connecting block is fixedly connected with the lifting hook, the connecting block is provided with a second through hole, a sliding block is arranged in the second through hole and is connected with the second through hole in a sliding way, a cylinder is sleeved outside one end of the sliding block outside the sleeving range of the second through hole, one end of the cylinder is fixedly connected with the connecting block, the sliding block is connected with the cylinder body in a sliding way, one end of the sliding block is fixedly connected with a rod body, one end of the rod body is arranged outside the cylinder body, the rod body is connected with the barrel in a sliding mode, and the upper cover is fixedly connected to one end, arranged outside the barrel, of the rod body.

As a further aspect of the present invention: the pivot overcoat is equipped with the torsional spring, the one end and the fan-shaped piece fixed connection of torsional spring, the other end and the connecting block fixed connection of torsional spring.

As a further aspect of the present invention: the rod body overcoat is equipped with first magnet and second magnet.

As a further aspect of the present invention: the first magnet is fixedly connected with the upper cover.

As a further aspect of the present invention: the second magnet is fixedly connected with one end of the cylinder.

As a further aspect of the present invention: and the surface of the upper cover is fixedly connected with a pull ring.

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

1. the utility model discloses it is different with traditional lifting hook that need push away limit stop, the utility model discloses do not set up the baffle, avoid traditional lifting hook to have the risk of pressing from both sides hindering the operation workman, only need insert the slider after down pulling on lifting hook and recess to the cable wire cover, labour saving and time saving more, intensity is low, efficient.

2. The utility model discloses be provided with the torsional spring, after removing the spacing back of connecting block to the sector piece, the torsional spring resets, further drives the sector piece and rotates and reset to make things convenient for the user of service to take off the cable wire.

Drawings

Fig. 1 is a schematic structural view of an unhooking prevention device for mechanical hoisting.

Fig. 2 is a partial sectional view of a unhooking prevention device for mechanical lifting.

Fig. 3 is a schematic view of the connection relationship among the sector block, the rotating shaft, the connecting block and the torsion spring of the unhooking-proof device for mechanical hoisting.

Shown in the figure: lifting hook 1, fan-shaped piece 2, pivot 3, connecting block 4, upper cover 5, pull ring 6, first through-hole 7, recess 8, first magnet 9, second magnet 10, sliding block 11, second through-hole 12, barrel 13, the body of rod 14, torsional spring 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, an unhooking prevention device for mechanical hoisting includes a hook 1, a fan-shaped block 2, a rotation shaft 3, a connection block 4, an upper cover 5, a pull ring 6, a first through hole 7, a groove 8, a first magnet 9, a second magnet 10, a sliding block 11, a second through hole 12, a cylinder 13, a rod body 14, and a torsion spring 15, wherein the fan-shaped block 2 is disposed on one inner arc side of the hook 1, the fan-shaped block 2 is disposed with the first through hole 7 and the groove 8, one end of the fan-shaped block 2 is fixedly connected to the rotation shaft 3, the connection block 4 is disposed outside the rotation shaft 3, the torsion spring 15 is disposed outside the rotation shaft 3, one end of the torsion spring 15 is fixedly connected to the fan-shaped block 2, the other end of the torsion spring 15 is fixedly connected to the connection block 4, one end of the connection block 4 is fixedly connected to the hook 1, the connection block, sliding block 11 and second through-hole 12 sliding connection, sliding block 11 establishes the one end overcoat outside the scope at second through-hole 12 cover and is equipped with barrel 13, barrel 13's one end and 4 fixed connection of connecting block, sliding block 11 and barrel 13 sliding connection, sliding block 11's the one end fixedly connected with body of rod 14, the one end setting of the body of rod 14 is outside barrel 13, body of rod 14 and barrel 13 sliding connection, body of rod 14 sets up the one end fixedly connected with upper cover 5 outside barrel 13, the fixed surface of upper cover 5 is connected with pull ring 6, the 14 overcoat of the body of rod is equipped with first magnet 9 and second magnet 10,

first magnet

9 and 5 fixed connection of upper cover, the one end fixed connection of second magnet 10 and barrel 13.

The utility model discloses a theory of operation is:

when the device is used, the steel cable is sleeved in the groove 8, the steel cable is further pulled downwards, the steel cable further moves downwards and simultaneously drives the sector block 2 to rotate until the first through hole 7 is overlapped with the second through hole 12, the upper cover 5 is further pushed through the pull ring 6, the upper cover 5 further drives the sliding block 11 to move towards the second through hole 12 through the rod body 14, the sliding block 11 further falls into the first through hole 7, the limitation of the sector block 2 by the connecting block 4 is realized, the fixed connection of the connecting block 4 and the sector block 2 is further realized, the pull ring 6 is further pushed until the first magnet 9 is contacted with the second magnet 10, the magnetic connection between the first magnet 9 and the second magnet 10 is further realized, the sliding block 11 is prevented from easily sliding out of the first through hole 7 and the second through hole 12, the steel cable is limited in the groove 8 at the moment, and the sector block 2 is limited by the connecting block 4, therefore, the steel cable cannot be taken out from the lifting hook 1, so that the steel cable is prevented from being unhooked from the lifting hook 1, and when the limiting of the connecting block 4 on the sector block 2 is relieved, the torsion spring 15 resets to further drive the sector block 2 to rotate and reset, so that a user can take down the steel cable conveniently.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an unhooking prevention device for mechanical hoisting, includes lifting hook (1), its characterized in that: the lifting hook is characterized in that a sector block (2) is arranged on one side of the inner arc of the lifting hook (1), a first through hole (7) and a groove (8) are formed in the sector block (2), a rotating shaft (3) is fixedly connected to one end of the sector block (2), a connecting block (4) is sleeved outside the rotating shaft (3), the connecting block (4) is rotatably connected with the rotating shaft (3), one end of the connecting block (4) is fixedly connected with the lifting hook (1), a second through hole (12) is formed in the connecting block (4), a sliding block (11) is arranged in the second through hole (12), the sliding block (11) is slidably connected with the second through hole (12), a barrel body (13) is sleeved outside the range of the second through hole (12) in the sliding block (11), one end of the barrel body (13) is fixedly connected with the connecting block (4), and the sliding block (11) is slidably connected with the barrel body (13), the one end fixedly connected with body of rod (14) of sliding block (11), the one end setting of the body of rod (14) is outside barrel (13), the body of rod (14) and barrel (13) sliding connection, the body of rod (14) sets up one end fixedly connected with upper cover (5) outside barrel (13).

2. The unhooking prevention device for mechanical hoisting according to claim 1, wherein: the hinge is characterized in that a torsion spring (15) is sleeved outside the rotating shaft (3), one end of the torsion spring (15) is fixedly connected with the sector block (2), and the other end of the torsion spring (15) is fixedly connected with the connecting block (4).

3. The unhooking prevention device for mechanical hoisting according to claim 1, wherein: the rod body (14) is sleeved with a first magnet (9) and a second magnet (10).

4. The unhooking prevention device for mechanical hoisting according to claim 3, wherein: the first magnet (9) is fixedly connected with the upper cover (5).

5. The unhooking prevention device for mechanical hoisting according to claim 3, wherein: the second magnet (10) is fixedly connected with one end of the cylinder (13).

6. The unhooking prevention device for mechanical hoisting according to claim 1, wherein: the surface of the upper cover (5) is fixedly connected with a pull ring (6).