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Unhooking device

A lifting device and hanger technology, applied in the directions of transportation and packaging, load hanging components, etc., can solve the problems of not meeting the application and testing of construction machinery, easy to cause danger, etc., achieving strong applicability, improving safety, and operating methods. easy effect

Active Publication Date: 2013-08-28
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But because of this, the existing decoupling device needs an additional external pulling force to complete the decoupling process, and the lifting device also needs to bear the additional pulling force during the decoupling process, and the decoupling direction is mostly unilateral lateral decoupling. The lateral force is easy to cause danger and cannot meet the requirements of construction machinery operation and testing

Method used

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Embodiment Construction

[0020] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation, structure, characteristics and effects of a decoupling device proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , detailed as follows:

[0021] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of specific implementation methods, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the present invention limit.

[0022] Please refer to figure 1 , figure 2 ...

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PUM

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Abstract

A hook-releasing device comprising a fixed hanger (1) and a moving hanger (3), wherein the fixed hanger (1) includes a base plate (12) with a supporting plate (14) arranged on the base plate (12) and the supporting plate (14) having a mating hole (142) arranged thereupon; the moving hanger (3) includes a main plate (30), a hoist system positioned on the main plate(30), and a connecting board (32) arranged underneath the main plate (30) with a mating hole (325) arranged on the connecting board (32). The hook-releasing device further comprises a plunger (34) capable of being inserted into the mating hole (142) on the supporting plate (14) positioned on the fixed hanger (1), as well as into the mating hole (325) on the connecting board (32) positioned on the moving hanger (3); and a jack (19) arranged on the fixed hanger (1) or on the moving hanger (3), with the end of the jack being capable of pushing the plunger (34) out of the mating hole (142) on the supporting plate (14) of the fixed hanger (1) and the mating hole (325) on the connecting board (32) of the moving hanger(3). Applying the hook-releasing device ensures that heavy loads hoisted by a crane can fall vertically downward when releasing the hook, thereby improving the safety in releasing the hook.

Description

technical field [0001] The invention relates to the field of instant unloading devices, and in particular to a decoupling device. Background technique [0002] Decoupling devices are often used during the operation and testing of construction machinery such as cranes. The decoupling device can realize the sudden unloading of heavy objects, and the operator does not need to approach the heavy objects, thereby avoiding danger. Most of the existing decoupling devices realize the decoupling function of the decoupling device by controlling and pulling a certain movable part to change the stability of the main hook of the decoupling device. But because of this, the existing decoupling device needs an additional external pulling force to complete the decoupling process, and the lifting device also needs to bear the additional pulling force during the decoupling process, and the decoupling direction is mostly unilateral lateral decoupling. The lateral force is easy to cause danger,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66C1/12
CPCB66C1/12B66C1/10
Inventor 李莹松刘洋魏淑芬吴紫俊郭传真
Owner ZOOMLION HEAVY IND CO LTD