CN111137780B

CN111137780B - Hoist and mount mousing-hook device

Info

Publication number: CN111137780B
Application number: CN202010059875.4A
Authority: CN
Inventors: 刘凯; 张向东; 孙钦军; 张鹏程
Original assignee: China MCC17 Group Co Ltd
Current assignee: China MCC17 Group Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2021-07-09
Anticipated expiration: 2040-01-19
Also published as: CN111137780A

Abstract

The invention discloses a hoisting unhooking prevention device which comprises a hoisting shackle, a shackle column, a shackle locking assembly, a limiting pull rod and a shackle limiting assembly, wherein the shackle locking assembly comprises a support ring, a locking ring and a shifting ring, the support ring is annularly arranged, the locking ring and the support ring are concentrically arranged, the shackle limiting assembly comprises a limiting sleeve box, a self-adaptive limiting block and a hinge shaft, and a friction limiting layer is arranged on one side of the self-adaptive limiting block, which is close to the shackle column. The invention belongs to the technical field of hoisting equipment; the hoisting anti-unhooking device can accurately adjust the tightness of the locking assembly, limit lifting ropes to be limited in hoisting hook rings and not to be unhooked, achieve the matching of hoisting hook rings of different models and hook heads of limiting hoisting hook rings through the self-adaptive function of the hook ring limiting assembly, play a role in closing the hoisting hook rings, and further prevent unhooking.

Description

Hoist and mount mousing-hook device

Technical Field

The invention relates to the technical field of hoisting equipment, in particular to a hoisting anti-unhooking device.

Background

In the process of steel production, no matter operations such as packaging, stacking and the like, steel needs to be lifted by a crane to move back and forth, and the lifting device is lifting equipment which is used for lifting a steel pipe in cooperation with the crane to achieve the purpose of transferring the steel pipe. In the past, the tightness of a lifting hook and a lifting hook inhaul cable is extremely difficult to control, when a steel pipe is hung, the automatic unhooking phenomenon often occurs, the hanging on the rear side is not waited, the automatic unhooking on the front side is fallen, an operator repeatedly hangs the steel pipe for several times and can hang the steel pipe well, time and labor are wasted, and the hoisting efficiency is seriously influenced.

Disclosure of Invention

The invention aims to provide a hoisting unhooking prevention device, which can accurately adjust the tightness of a locking assembly, limit a lifting rope in a hoisting shackle and prevent unhooking, realize matching of hoisting shackles of different types and hook heads of limiting hoisting shackles through the self-adaptive function of a shackle limiting assembly, play a role in closing the hoisting shackles and further prevent unhooking. .

In order to achieve the purpose, the invention adopts the following technical scheme:

a hoisting anti-unhooking device comprises a hoisting shackle, a shackle column, a shackle locking assembly, a limit pull rod and a shackle limit assembly, wherein the shackle column is arranged on the hoisting shackle, the shackle locking assembly is sleeved on the shackle column, one end of the limit pull rod is symmetrically arranged on two sides of the shackle locking assembly, the shackle limit assembly is arranged on the other end of the limit pull rod, the shackle locking assembly comprises a support ring, a locking ring and a displacement ring, the support ring is annularly arranged, the support ring is sleeved on the shackle column, the locking ring is annularly arranged, the locking ring and the support ring are concentrically arranged, the diameter of the locking ring is smaller than that of the support ring, the locking ring is arranged on the support ring and is integrally formed with the support ring, the displacement ring is sleeved on the locking ring, and the inner diameter and the outer diameter of the displacement ring are provided with threads matched with each other, the spacing subassembly of shackle includes spacing cover box, self-adaptation stopper and articulated shaft, the articulated shaft is articulated to be located between the spacing pull rod, the self-adaptation stopper is located on the articulated shaft between the spacing pull rod, spacing cover box parcel self-adaptation stopper outside is located on the spacing pull rod, one side that the self-adaptation stopper is close to the shackle post is equipped with the friction limiting layer.

Furthermore, one side that self-adaptation stopper is close to the shackle post is equipped with spacing bayonet socket, and the gib head of hoist and mount shackle inserts spacing bayonet socket, further limits the firm relation of hoist and mount shackle gib head and self-adaptation stopper, guarantees the closure of hoist and mount shackle, especially avoids the phenomenon of unhook in the hoist and mount shackle moves, and convenient control.

Furthermore, be equipped with the absorption magnetic path on the last lateral wall of spacing cover box, when hanging steel, utilize the magnetic adsorption's of absorption magnetic path characteristic to upwards adsorb the spacing subassembly of shackle and spacing pull rod on the shackle post, avoid disturbing the suspension steel.

Furthermore, an elastic deformation layer is arranged between the inner ring and the outer ring of the locking ring, and can adapt to hook ring columns and hoisting hook rings with different sizes, so that the locking ring is firmly sleeved on the hook ring columns.

Furthermore, the outer diameter of the displacement ring is the same as that of the support ring, and the locking assembly is integrally formed into a cylindrical structure without edges and corners outside the locking assembly, so that a lifting rope for lifting steel materials is prevented from being damaged or abraded.

Compared with the prior art, the invention provides a hoisting unhooking prevention device which has the following beneficial effects:

the closing of the hoisting shackle is realized through the limiting pull rod; the locking assembly displacement ring is connected with the locking ring through threads, so that the limiting pull rod is pulled to move up and down along the shackle column, the self-adaptive limiting block is abutted against the hook head of the hoisting shackle, the hook head of the hoisting shackle is limited in the shackle limiting assembly, the semi-closed hoisting shackle is closed, and the unhooking prevention effect is realized; the self-adaptive limiting block is hinged with the limiting pull rod, so that the self-adaptive limiting block rotates along each angle of the hinged shaft, the effect of limiting hook heads of hook rings of different models is realized, the rotating angle of the self-adaptive limiting block is adjusted according to the radian of the hook heads to realize stable mutual collision, and the hook heads are guaranteed to be limited in the limiting sleeve box; the self-adaptive limiting block is provided with a friction limiting layer, so that the friction force between the hook head and the self-adaptive limiting block is increased, the contact stability of the self-adaptive limiting block and the hook head is realized, the closure of the hoisting hook ring is further ensured, and the unhooking caused by looseness caused by vibration and the like in the hoisting moving process is avoided; meanwhile, the locking ring provided with the elastic deformation layer can meet the requirement of a lifting shackle without a model, the locking piece and the shifting piece which are connected through threads can be screwed to realize closing of the lifting shackle, and the lifting shackle is simple to operate, wide in application range and easy to popularize.

Drawings

FIG. 1 is a schematic view of the overall structure of a hoisting unhooking prevention device of the invention;

FIG. 2 is a schematic structural diagram of a self-adaptive limiting block of the hoisting unhooking prevention device;

FIG. 3 is a schematic structural diagram of a support ring and a locking ring of the hoisting anti-unhooking device according to the present invention;

FIG. 4 is a schematic view of a shifting ring structure of a hoisting anti-unhooking device according to the present invention;

fig. 5 is a side view of an adaptive limiting block of the hoisting anti-unhooking device of the invention.

The device comprises a lifting shackle 1, a lifting shackle 2, a shackle column 3, a shackle locking assembly 4, a limiting pull rod 5, a shackle limiting assembly 6, a support ring 7, a locking ring 8, a shifting ring 9, a friction limiting layer 10, a limiting bayonet 11, an adsorption magnetic block 12, a limiting sleeve box 13, a self-adaptive limiting block 14 and an articulated shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-5, a hoisting anti-unhooking device comprises a hoisting shackle 1, a shackle column 2, a shackle locking assembly 3, a limit pull rod 4 and a shackle limit assembly 5, wherein the shackle column 2 is arranged on the hoisting shackle 1, the shackle locking assembly 3 is sleeved on the shackle column 2, one end of the limit pull rod 4 is symmetrically arranged at two sides of the shackle locking assembly 3, the shackle limit assembly 5 is arranged at the other end of the limit pull rod 4, the shackle locking assembly 3 comprises a support ring 6, a locking ring 7 and a displacement ring 8, the support ring 6 is annularly arranged, the support ring 6 is sleeved on the shackle column 2, the locking ring 7 is annularly arranged, the locking ring 7 and the support ring 6 are concentrically arranged, the diameter of the locking ring 7 is smaller than that of the support ring 6, the locking ring 7 is arranged on the support ring 6 and integrally formed with the support ring 6, the displacement ring 8 is annularly sleeved on the locking ring 7, the inner diameter of the displacement ring 8 and the outer diameter of the, spacing subassembly 5 of shackle includes spacing cover box 12, self-adaptation stopper 13 and articulated shaft 14, and articulated shaft 14 is articulated to be located between the spacing pull rod 4, and on the articulated shaft 14 was located between the spacing pull rod 4 to self-adaptation stopper 13, spacing cover box 12 parcel self-adaptation stopper 13 outside was located on spacing pull rod 4, and one side that self-adaptation stopper 13 is close to shackle post 2 is equipped with friction limiting layer 9.

The self-adaptive limiting block 13 is provided with a limiting bayonet 10 at one side close to the shackle column 2, the hook head of the hoisting shackle 1 is inserted into the limiting bayonet 10, the stable relation between the hook head of the hoisting shackle 1 and the self-adaptive limiting block 13 is further limited, the closure of the hoisting shackle 1 is ensured, the unhooking phenomenon is avoided particularly during the movement of the hoisting shackle 1, and the control is convenient; the upper side wall of the limiting sleeve box 12 is provided with an adsorption magnetic block 11, and when steel is hung, the hook ring limiting component 5 and the limiting pull rod 4 are upwards adsorbed on the hook ring column 2 by utilizing the magnetic adsorption characteristic of the adsorption magnetic block 11, so that the steel is prevented from being interfered; an elastic deformation layer is arranged between the inner ring and the outer ring of the locking ring 7, and can adapt to the shackle columns 2 and the hoisting shackles 1 with different sizes, so that the locking ring 7 is firmly sleeved on the shackle columns 2; the outer diameter of the displacement ring 8 is the same as that of the support ring 6, and the hook ring locking component 3 is integrally formed into a cylindrical structure without edges and corners outside, so that a lifting rope for lifting steel materials is prevented from being damaged or abraded.

During the specific use, after having hoisted the material, rotatory to the gib head of wrapping up hoist and mount shackle 1 with spacing subassembly 5 of shackle, in the gib head block advanced spacing bayonet 10, rotatory locking ring 7, with the aversion ring 8 of locking ring 7 threaded connection upwards remove along shackle post 2, stimulate spacing pull rod 4 and upwards remove along shackle post 2 to realize that self-adaptation stopper 13 contradicts each other with the gib head, the restriction gib head is in spacing subassembly 5 of shackle, realize firm closed hoist and mount shackle 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A hoisting unhooking prevention device is characterized by comprising a hoisting shackle, a shackle column, a shackle locking assembly, a limit pull rod and a shackle limit assembly, wherein the shackle column is arranged on the hoisting shackle, the shackle locking assembly is sleeved on the shackle column, one end of the limit pull rod is symmetrically arranged on two sides of the shackle locking assembly, the shackle limit assembly is arranged on the other end of the limit pull rod, the shackle locking assembly comprises a support ring, a locking ring and a displacement ring, the support ring is annularly arranged, the support ring is sleeved on the shackle column, the locking ring is annularly arranged, the locking ring and the support ring are concentrically arranged, the diameter of the locking ring is smaller than that of the support ring, the locking ring is arranged on the support ring and is integrally formed with the support column, the displacement ring is sleeved on the locking ring, and the inner diameter of the displacement ring and the outer diameter of the locking ring are provided with threads matched with each other, the spacing subassembly of shackle includes spacing cover box, self-adaptation stopper and articulated shaft, the articulated shaft is articulated to be located between the spacing pull rod, the self-adaptation stopper is located on the articulated shaft between the spacing pull rod, spacing cover box parcel self-adaptation stopper outside is located on the spacing pull rod, one side that the self-adaptation stopper is close to the shackle post is equipped with the friction limiting layer.

2. The hoisting unhooking prevention device of claim 1, which is characterized in that: one side that self-adaptation stopper is close to the shackle post is equipped with spacing bayonet socket.

3. The hoisting unhooking prevention device of claim 1, which is characterized in that: and the upper side wall of the limiting sleeve box is provided with an adsorption magnetic block.

4. The hoisting unhooking prevention device of claim 1, which is characterized in that: and an elastic deformation layer is arranged between the inner ring and the outer ring of the locking ring.

5. The hoisting unhooking prevention device of claim 1, which is characterized in that: the outer diameter of the displacement ring is the same as the outer diameter of the support ring.