CN215946495U - Crane plate hook unhooking prevention device - Google Patents

Abstract

A plate hook unhooking prevention device of a crane belongs to the technical field of cranes. Set up between the hook neck and the hook point of hoist board hook, including first solid fixed ring, the solid fixed ring of second, open the hasp soon and be used for shutting and opening in the constitution the mousing-hook subassembly of hoist board hook, first solid fixed ring set firmly in the outside of hook neck and with board hook integrated into one piece, the solid fixed ring of second set firmly in the outside of hook point and in board hook integrated into one piece, the mousing-hook subassembly terminal with first solid fixed ring activity ring is connected, the front end passes through the mousing-hook soon with the solid fixed ring buckle of second is connected. The crane plate hook unhooking prevention device solves the problems that a thicker sling cannot be unhooked due to the fact that the opening position of a plate hook is invaded by the conventional plate hook unhooking prevention device, and the sling collides and hurts hands when being taken out of the plate hook, and achieves the effects of convenience in use, safety and reliability.

Description

Crane plate hook unhooking prevention device

Technical Field

The utility model relates to a plate hook unhooking prevention device for a crane, and belongs to the technical field of cranes.

Background

With the continuous progress of industrial development and scientific technology, the crane is rapidly developed and applied, belongs to special equipment, and according to the national standard of the relevant special equipment, an anti-unhooking device is arranged on a crane hook. According to the requirements of actual production, different weights are hoisted by matching a self-made plate hook with a balance beam, in order to ensure the working safety of a crane, the plate hook must meet the national standard of related special equipment, an unhooking prevention device is required to be arranged at the opening of the plate hook, the conventional unhooking prevention device adopts a press-down type one-way spring device, the device is locked at the upper part of a hook neck of the plate hook through a hoop in a holding manner, the unhooking prevention locking plate can automatically return under the elastic force of the spring to block the entrance and the exit of the plate hook, and prevent a steel wire rope from falling off from the opening of the plate hook, but the unhooking prevention device has the following problems when in use, the unhooking prevention locking plate protrudes outwards, so that the opening position of the plate hook is occupied, and a thicker sling cannot unhooking tool can not be unhooked; during the replacement of the hoisting rigging, the locking plate needs to be pressed down by one hand, the hoisting rigging is taken out from the plate hook by the other hand, and the hand for pressing down the locking plate is extremely easy to be collided and damaged by the hoisting rigging; when a heavy sling tool is replaced, the operation cannot be carried out by one hand, two persons are required to cooperate, and the finger pressure injury accident is easily caused by improper cooperation of the two persons due to the narrow operation space.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crane plate hook unhooking prevention device, which solves the problems that a thicker hoisting cable cannot be unhooked due to the fact that the opening position of a plate hook is occupied by the conventional plate hook unhooking prevention device and the hoisting cable collides and hurts hands when being taken out of the plate hook, and achieves the effects of convenience in use, safety and reliability.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a hoist board hook mousing-hook device, sets up between the hook neck and the hook point of hoist board hook, including first solid fixed ring, the solid fixed ring of second, quick-opening hasp and be used for shutting and opening in the constitution the mousing-hook subassembly of hoist board hook, first solid fixed ring set firmly in the outside of hook neck and with board hook integrated into one piece, the solid fixed ring of second set firmly in the outside of hook point and in board hook integrated into one piece, the mousing-hook subassembly terminal with first solid fixed ring activity ring is connected, the front end passes through the quick-opening hasp with the solid fixed ring buckle of second is connected.

Above-mentioned hoist board hook mousing-hook device, the quick-open hasp is the spring buckle, draws bolt, compression spring and direction adapter sleeve to constitute by closed loop, ring-opening, activity, the both ends of direction adapter sleeve set firmly respectively the closed loop with the ring-opening, the closed loop with mousing-hook subassembly loose loop is connected, set up in the direction adapter sleeve compression spring, the activity draw bolt support in compression spring's tip down with the spring action of compression spring down with the open loop forms the hasp that can open with the solid fixed ring detachably buckle of second is connected.

Above-mentioned hoist plate hook mousing-hook device, the mousing-hook subassembly is the wire rope subassembly, contains wire rope and both ends supporting wire rope card with it, wire rope's both ends all the inflection by the wire rope card fastening forms first fag end and second fag end, first fag end with open the hasp loose loop soon and connect, the second fag end with the solid fixed ring loose loop of second is connected.

According to the crane plate hook anti-unhooking device, the number of the steel wire rope clamps is 4 or 6, and the steel wire rope clamps are symmetrically distributed at the two ends of the steel wire rope.

According to the crane plate hook unhooking prevention device, the diameter of the steel wire rope is 6 mm.

According to the crane plate hook unhooking prevention device, when a sling in a plate hook needs to be taken out, the spring buckle is held by a single hand, the movable draw bolt is pressed by fingers to separate the spring buckle from the first fixing ring, the fingers are loosened, the movable draw bolt is closed with the open ring under the action of the elastic force of the return spring, the spring buckle and the unhooking prevention assembly are rotated to the outer side of the hook tip along the second fixing ring, at the moment, the opening part of the plate hook is completely opened, the unhooking prevention assembly does not occupy the space of the plate hook opening, the sling in the plate hook can be taken out smoothly, after the plate hook opening is completely opened, the fingers leave the plate hook opening, and then the sling is taken out, so that the problem that the sling hurts hands in the sling replacement process is avoided.

In summary, the crane plate hook unhooking prevention device solves the problems that a thicker hoisting cable cannot be unhooked due to the fact that the opening position of a plate hook is occupied by the conventional plate hook unhooking prevention device and the hoisting cable collides and hurts hands when the hoisting cable is taken out of the plate hook, and achieves the effects of convenience in use, safety and reliability.

Drawings

The utility model is described in further detail below with reference to the figures and the detailed description.

FIG. 1 is a schematic structural diagram of a plate hook anti-unhooking device of a crane according to the utility model;

FIG. 2 is a schematic view of a spring clip in a closed state;

FIG. 3 is a schematic view of the spring snap open configuration;

fig. 4 is a schematic view of a wireline assembly construction.

In the figure:

1. the hook comprises a hook neck, 2 parts of a hook tip, 3 parts of a first fixing ring, 4 parts of a second fixing ring, 5 parts of a quick-opening lock catch, 5a parts of a spring lock catch, 5a-1 parts of a connecting guide sleeve, 5a-2 parts of a closed ring, 5a-3 parts of an open ring, 5a-4 parts of a movable draw bolt, 5a-5 parts of a reset spring, 6 parts of an anti-unhooking component, 6a parts of a steel wire rope, 6a-1 parts of a steel wire rope, 6a-2 parts of a steel wire rope, 6a-3 parts of a steel wire rope clamp, a first rope sleeve, 6a-4 parts of a second rope sleeve.

Detailed Description

Referring to fig. 1 to 3, the utility model provides an unhooking prevention device for a crane plate hook, which is arranged between a hook neck 1 and a hook tip 2 of the crane plate hook, and comprises a first fixing ring 3, a second fixing ring 4, a quick-opening lock catch 5 and an unhooking prevention assembly 6 for locking and opening an opening of the crane plate hook, wherein the first fixing ring 3 is fixedly arranged on the outer side of the hook neck 1 and integrally formed with the plate hook, the second fixing ring 4 is fixedly arranged on the outer side of the hook tip 2 and integrally formed with the plate hook, the tail end of the unhooking prevention assembly 6 is movably connected with the first fixing ring 3, and the front end of the unhooking prevention assembly is connected with the second fixing ring 4 through the quick-opening lock catch 5 in a buckling manner.

In the plate hook unhooking prevention device for the crane, the quick-opening lock catch 5 is a spring buckle 5a and consists of a connecting guide sleeve 5a-1, a closed loop 5a-2, an open loop 5a-3, a movable pull bolt 5a-4 and a compression spring 5a-5, the two ends of the connecting guide sleeve 5a-1 are respectively and fixedly provided with the closed loop 5a-2 and the open loop 5a-3, the closed loop 5a-2 is connected with the movable loop of the mousing-hook component 6, the compression spring 5a-5 is arranged in the connecting guide sleeve 5a-1, the movable pulling bolt 5a-4 is propped against the end part of the compression spring 5a-5, under the action of the elastic force of the compression spring 5a-5, the locking ring and the open ring 5a-3 form a locking buckle which can be opened and closed and are detachably connected with the second fixing ring 4 in a buckling mode.

In the plate hook anti-unhooking device for the crane, the anti-unhooking component is a steel wire rope component 6a and comprises a steel wire rope 6a-1 and a steel wire rope clamp 6a-2 matched with the steel wire rope 6a-1 at two ends, the two ends of the steel wire rope 6a-1 are folded back and fastened by the steel wire rope clamp 6a-2 to form a first rope sling 6a-3 and a second rope sling 6a-4, the first rope sling 6a-3 is connected with the quick-opening lock catch 5 movable ring, and the second rope sling 6a-4 is connected with the second fixing ring 3 movable ring.

According to the plate hook unhooking prevention device for the crane, the number of the steel wire rope clamps 6a-2 is 4, and the steel wire rope clamps are symmetrically distributed at two ends of the steel wire rope 6 a-1.

According to the anti-unhooking device for the plate hook of the crane, the diameter of the steel wire rope 6a-1 is 6 mm.

In the embodiment of the utility model, the diameter of the steel wire rope 6a-1 is 6mm, the steel wire rope is light in weight and good in strength, when the sling in the plate hook needs to be taken out, a single hand holds the spring buckle 5a, fingers press the movable pull bolt 5a-4 to separate the spring buckle 5a from the first fixing ring 3, the fingers are released, the movable pull bolt 5a-4 is closed with the open ring 5a-3 under the elastic force of the return spring 5a-5, the spring buckle 5a and the anti-unhooking component 6 are rotated to the outer side of the hook tip 2 along the second fixing ring 4, at the moment, the opening part of the plate hook is completely opened, the anti-unhooking component 6 does not occupy the space of the plate hook opening, the sling in the plate hook can be taken out smoothly, because after the plate hook opening is completely opened, the fingers leave the plate hook opening, and then the sling is taken out, thus, the problem of the sling injuring the hand during replacement of the sling is also avoided.

In conclusion, the embodiment of the utility model solves the problems that the thicker hoisting rigging cannot be unhooked due to the fact that the opening position of the plate hook is encroached in the conventional plate hook unhooking prevention device and the hoisting rigging collides and hurts hands when being taken out from the plate hook, and achieves the effects of convenience in use, safety and reliability.

Claims (5)

1. The utility model provides a hoist board hook mousing-hook device sets up between the hook neck (1) and the hook point (2) of hoist board hook, its characterized in that, including first solid fixed ring (3), the solid fixed ring of second (4), quick-opening hasp (5) and be used for shutting and opening hoist board hook open-ended mousing-hook subassembly (6), first solid fixed ring (3) set firmly in the outside of hook neck (1) and with board hook integrated into one piece, the solid fixed ring of second (4) set firmly in the outside of hook point (2) and in board hook integrated into one piece, the end of mousing-hook subassembly (6) with first solid fixed ring (3) activity ring is connected, the front end passes through quick-opening hasp (5) with the solid fixed ring of second (4) buckle is connected.

2. The crane plate hook unhooking prevention device according to claim 1, wherein the quick-opening lock catch (5) is a spring buckle (5 a) and is composed of a connecting guide sleeve (5 a-1), a closed loop (5 a-2), an open loop (5 a-3), a movable pulling bolt (5 a-4) and a compression spring (5 a-5), the closed loop (5 a-2) and the open loop (5 a-3) are respectively fixedly arranged at two ends of the connecting guide sleeve (5 a-1), the closed loop (5 a-2) is movably connected with the unhooking prevention component (6), the compression spring (5 a-5) is arranged in the connecting guide sleeve (5 a-1), and the movable pulling bolt (5 a-4) is abutted against the end of the compression spring (5 a-5), under the action of the elastic force of the compression spring (5 a-5), the open-close lock catch is formed with the open ring (5 a-3) and is detachably connected with the second fixing ring (4) in a snap-fit manner.

3. The plate hook anti-unhooking device of the crane as claimed in claim 1 or 2, wherein the anti-unhooking component (6) is a steel wire rope component (6 a) comprising a steel wire rope (6 a-1) and a steel wire rope clamp (6 a-2) matched with the steel wire rope (6 a-1) at two ends thereof, the two ends of the steel wire rope (6 a-1) are folded back and fastened by the steel wire rope clamp (6 a-2) to form a first rope sleeve (6 a-3) and a second rope sleeve (6 a-4), the first rope sleeve (6 a-3) is connected with the movable ring of the quick-opening lock catch (5), and the second rope sleeve (6 a-4) is connected with the movable ring of the second fixing ring (3).

4. The plate hook unhooking prevention device of a crane according to claim 3, wherein the number of the wire rope clips (6 a-2) is 4 or 6, and the wire rope clips are symmetrically distributed at two ends of the wire rope (6 a-1).

5. The crane plate hook unhooking prevention device according to claim 4, wherein the diameter of the wire rope (6 a-1) is 6 mm.

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