Anti-falling device for lifting hook

Abstract

The utility model discloses a lifting hook anti-dropping device which comprises a lifting hook, a wrapping sleeve block is rotatably sleeved on the outer wall of a stop lever, a threaded groove is formed in the inner wall of the wrapping sleeve block, the stop lever and the threaded groove are rotatably inserted, a limiting slot is formed in the edge of one end of the wrapping sleeve block, and a limiting insertion disc is inserted into the limiting slot. Locking nuts are welded to one sides of the upper ends of the front side and the rear side of the lifting hook, and the stop rods and the locking nuts are installed in a rotating and inserting mode. According to the lifting hook anti-falling device, two sets of blocking can be conducted through the blocking rod and the wrapping sleeve block, the supporting effect is good, the wrapping sleeve block can be conveniently limited and disassembled through the threaded groove, the limiting inserting groove and the limiting inserting disc, rapid disassembling can be conducted through the locking nut and the telescopic nut, independent overturning adjustment can be conducted through the rotating shaft, and the lifting hook anti-falling device is convenient to use. When one group is damaged, use is not affected, hoisted materials can be supported through the supporting cushion blocks, shaking and unhooking are avoided, and the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hook anti -drop technical field, concretely is a hook anti -drop device. BACKGROUND

[0002] The travelling crane is widely used in the machining and production of the workshop. The end of the travelling crane is connected with the heavy object through the hook. In order to protect the safety of the personnel and the safety of the hoisted goods, various safety measures are often used to prevent the goods from falling off the hook.

[0003] The prior art CN103010940B can effectively prevent the hook from falling off and eliminate the safety hazard in the working process, but has the following disadvantages: the effect of preventing the hook from falling off is not good, the damaged device cannot be quickly put into use, the hoisting stability is not good, and the device is inconvenient to use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a hook anti -drop device to solve the problems of the hook anti -drop device mentioned in the background art, such as poor effect of preventing the hook from falling off, slow use after damage, poor hoisting stability, and inconvenience in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hook anti -drop device, including the hook, the upper end of the hook is installed on one side and is equipped with the fixed block, the upper end center position of the hook is installed in the sleeve and is equipped with the installation sleeve block, and the inner pad block is installed on the inner wall of the installation sleeve block, the front and rear of the installation sleeve block are inserted and are equipped with the locking knob, and the support pad block is fixedly connected to the upper end of the installation sleeve block, the upper end of the front and rear side of the hook is welded and is equipped with the rotating shaft, and the telescopic nut is rotatably installed on one end of the rotating shaft, the stop rod is inserted and is equipped with the blocking disc on the outer wall of the telescopic nut, and the blocking disc is welded and is equipped with the limiting plug on one side of the outer wall, the wrapping sleeve block is rotatably inserted and is equipped with the screw groove on the inner wall, the stop rod and the screw groove are rotatably inserted, the limiting plug is inserted and is equipped with the limiting slot on one end of the wrapping sleeve block, the blocking disc and the limiting slot are inserted and are equipped, the locking nut is welded and is equipped with the locking nut on one side of the upper end of the front and rear side of the hook, and the stop rod and the locking nut are rotatably inserted.

[0006] Preferably, the support pad block is of an elastic structure, and the support pad block is inserted and spliced with the hook through the installation sleeve block and the inner pad block, and the installation sleeve block is fixedly connected with the hook through the locking knob.

[0007] Preferably, the stop rod is distributed in two symmetrical positions on the upper end of the front and rear side of the hook.

[0008] Preferably, the blocking rod is rotatably and telescopically installed with the locking nut through a telescopic nut.

[0009] Preferably, the wrapping sleeve block is rotatably installed with the blocking rod through a thread groove, and the wrapping sleeve block is limitingly installed with the blocking rod through a limiting slot and a limiting disc.

[0010] Preferably, the telescopic nut and the blocking rod are independently rotatably connected with the hook through a rotating shaft.

[0011] Compared with the prior art, the hook anti-falling device can be resisted by two groups of the blocking rod and the wrapping sleeve block, has good supporting effect, and the wrapping sleeve block is convenient to limit disassemble through the thread groove, the limiting slot and the limiting disc, can be quickly disassembled through the locking nut and the telescopic nut, and can be independently flipped and adjusted through the rotating shaft, so that one group can be used without being affected after being damaged, the hoisted material can be supported through the supporting pad block, the hooking is avoided, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the hook anti-falling device of the utility model;

[0013] Figure 2 It is a schematic diagram of internal structure connection of the hook anti-falling device of the utility model;

[0014] Figure 3 It is a plan view of the hook anti-falling device of the utility model;

[0015] Figure 4 It is a hook anti-falling device of the utility model Figure 2 It is an enlarged view of A in the middle;

[0016] Figure 5 It is a hook anti-falling device of the utility model Figure 2 It is an enlarged view of B in the middle;

[0017] Figure 6 It is a hook anti-falling device of the utility model Figure 2 It is an enlarged view of C in the middle.

[0018] In the drawing: 1, hook, 2, supporting pad block, 3, blocking rod, 4, locking nut, 5, locking knob, 6, wrapping sleeve block, 7, rotating shaft, 8, telescopic nut, 9, thread groove, 10, limiting slot, 11, limiting disc, 12, mounting sleeve block, 13, inner pad block, 14, fixed block. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings of the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present utility model.

[0020] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a kind of lifting hook anti-drop device, including lifting hook 1, support pad 2, baffle rod 3, locking nut 4, locking knob 5, wrapping sleeve block 6, pivot 7, telescopic nut 8, screw groove 9, limiting slot 10, limiting disc 11, mounting sleeve block 12, inner pad 13 and fixed block 14, fixed block 14 is installed on the upper end of lifting hook 1 one side, mounting sleeve block 12 is fitted and installed in the center position of the upper end of lifting hook 1, and inner pad 13 is attached and installed on the inner wall of mounting sleeve block 12, locking knob 5 is inserted and installed before and after mounting sleeve block 12, and support pad 2 is fixedly connected with mounting sleeve block 12 upper end, support pad 2 is elastic structure, and support pad 2 is inserted and spliced and installed with lifting hook 1 by mounting sleeve block 12, inner pad 13, mounting sleeve block 12 is locked and fixedly connected with lifting hook 1 by locking knob 5, so that support pad 2 can be elastically supported, hoisting is stable, and quick insertion bolt disassembly can be carried out, which is convenient and quick to replace.

[0021] pivot 7 is welded and installed on the upper end of the front and rear side of lifting hook 1 another side, and telescopic nut 8 is rotatably installed at one end of pivot 7, telescopic nut 8 and baffle rod 3 are independently rotatably connected with lifting hook 1 by pivot 7, so that telescopic nut 8 and baffle rod 3 are conveniently rotated and adjusted, and are conveniently and quickly disassembled, baffle rod 3 is inserted and installed on the inner wall of telescopic nut 8, and limiting disc 11 is welded and installed on the outer wall of baffle rod 3 one side, baffle rod 3 is distributed in two groups of symmetrical positions on the upper end of the front and rear side of lifting hook 1, so that baffle rod 3 can be resisted in two groups, to avoid damage and quickly put into use.

[0022] baffle rod 3 is rotatably telescopic and locked with locking nut 4 by telescopic nut 8, so that baffle rod 3 is conveniently and stably telescopic and disassembled, and is stably installed, and has good anti-drop effect, wrapping sleeve block 6 is rotatably fitted and installed on the outer wall of baffle rod 3, screw groove 9 is formed in the inner wall of wrapping sleeve block 6, the outer wall of wrapping sleeve block 6 is made of rubber material, wrapping sleeve block 6 is rotatably fitted and installed with baffle rod 3 by screw groove 9, wrapping sleeve block 6 is limitingly installed with baffle rod 3 by limiting slot 10 and limiting disc 11, so that wrapping sleeve block 6 is conveniently and rotatably inserted and disassembled, and is conveniently and adaptively replaced and used.

[0023] The blocking rod 3 is rotatably inserted into the threaded groove 9, the wrapping sleeve block 6 has a limiting slot 10 formed at one end edge thereof, a limiting insert disc 11 is inserted into the limiting slot 10, the hook 1 is welded with the locking nut 4 at one side of the upper end of the front and rear sides, and the blocking rod 3 is rotatably inserted into the locking nut 4.

[0024] Working principle: when the hook anti-falling device is used, first, the support pad block 2 is inserted and locked with the hook 1 through the locking knob 5, the mounting sleeve block 12, the inner pad block 13, and then the material is hoisted with the hook 1 and is elastically limited and supported by the support pad block 2, then the blocking rod 3 and the telescopic nut 8 are turned and adjusted through the rotating shaft 7, and are telescopically locked with the locking nut 4 and the telescopic nut 8, and double sets of resistance are formed, when one set of blocking rod 3 is damaged, the other set of blocking rod 3 can be used, and the hoisting work is not affected, when it is needed to release the hoisting, the blocking rod 3 and the wrapping sleeve block 6 are released from the locking of the locking nut 4 through the telescopic nut 8, then the blocking rod 3 is turned through the rotating shaft 7, and the installation is quickly released, when the wrapping sleeve block 6 is damaged, it can be quickly limited and installed through the threaded groove 9, the limiting slot 10, and the limiting insert disc 11, which is the use process of the hook anti-falling device.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A hook anti-drop device, comprising a hook (1), a fixed block (14) being installed on one side of the upper end of the hook (1), characterized in that: The hook (1) upper end center position sleeve block (12) is installed, and the inner wall of the sleeve block (12) is installed with the inner pad block (13). The sleeve block (12) is installed with the locking knob (5) in front and back. The sleeve block (12) is fixedly connected with the support pad block (2) on the upper end. The hook (1) is welded with the rotating shaft (7) on the upper end of the other side of the front and rear side. The telescopic nut (8) is rotatably installed on one end of the rotating shaft (7). The telescopic nut (8) is installed with the stop rod (3) in the inner wall. The stop rod (3) is welded with the limiting plug disc (11) on the outer wall of one side. The stop rod (3) is rotatably installed with the wrapping sleeve block (6) on the outer wall. The wrapping sleeve block (6) is provided with a threaded groove (9) in the inner wall. The stop rod (3) and the threaded groove (9) are rotatably installed. The wrapping sleeve block (6) is provided with a limiting slot (10) on the edge of one end. The limiting plug disc (11) and the limiting slot (10) are installed. The hook (1) is welded with the locking nut (4) on the upper end of one side of the front and rear side. The stop rod (3) and the locking nut (4) are rotatably installed.

2. A hook anti-drop device according to claim 1, characterized in that: The support pad block (2) is of elastic structure, and the support pad block (2) is installed by the sleeve block (12), the inner pad block (13) and the hook (1) in the form of insertion splicing. The sleeve block (12) is fixedly connected with the hook (1) by the locking knob (5).

3. A hook trip device according to claim 2, wherein: The stop rod (3) is distributed in two groups of symmetrical positions on the upper end of the front and rear side of the hook (1).

4. A hook trip device according to claim 3, wherein: The stop rod (3) is rotatably and telescopically installed with the locking nut (4) through the telescopic nut (8).

5. A hook trip device according to claim 4, wherein: The outer wall of the wrapping sleeve block (6) is made of rubber material, and the wrapping sleeve block (6) is rotatably installed with the stop rod (3) through the threaded groove (9). The wrapping sleeve block (6) is limitingly installed with the stop rod (3) through the limiting slot (10) and the limiting plug disc (11).

6. A hook trip device according to claim 5, wherein: The telescopic nut (8) and the stop rod (3) are independently rotatably connected with the hook (1) through the rotating shaft (7).

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