Unhooking device
A lifting device and movable 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, easily causing danger, etc., achieving strong applicability, improving safety, operation The effect of the simple method
Active Publication Date: 2012-04-11
ZOOMLION HEAVY IND CO LTD
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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
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[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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The invention provides an unhooking device which comprises a fixed lifting bracket and a movable lifting bracket, wherein the fixed lifting bracket comprises a bottom plate and a support plate arranged on the bottom plate, the support plate is provided with a mating hole, the movable lifting bracket comprises a main plate, a lifting device arranged on the main plate and a connecting plate arranged below the main plate, and the connecting plate is provided with a mating hole. The unhooking device also comprises a mating hole which can be inserted into the support plate on the fixed lifting bracket and a plunger of the mating hole on the connecting plate of the movable lifting bracket, as well as a lifting jack which can be arranged on the fixed lifting bracket or the movable lifting bracket, can abut against the top end of the lifting bracket and can push out the mating hole accommodated on the support plate of the fixed lifting bracket and the plunger in the mating hole on the connecting plate of the movable lifting bracket. By adopting the unhooking device, the heavy weight lifted by a crane can be ensured to fall vertically when being unhooked, thus the security of unhooking operation can be improved.
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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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