Asymmetrical structure air posture adjusting method

An asymmetric structure and adjustment method technology, applied in the direction of load hanging components, transportation and packaging, etc., to achieve the effect of no sudden change in system force, safe and reliable adjustment action, and smooth conversion

Inactive Publication Date: 2010-06-30
SHANGHAI FOUND ENG GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the technical problem of attitude adjustment in the air of a large asymmetric structure, and provides a method for adjusting the attitude in the air of an asymmetric structure that utilizes pulleys to assist automatic flipping

Method used

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  • Asymmetrical structure air posture adjusting method
  • Asymmetrical structure air posture adjusting method
  • Asymmetrical structure air posture adjusting method

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Embodiment Construction

[0022] The following describes the implementation of the present invention in detail in combination with engineering examples.

[0023] The present invention adopts a set of pulley block system, according to the change of the center of gravity before and after adjustment of the attitude of the asymmetrical structure, and through accurate theoretical calculation and analysis, the force situation and sling configuration of the pulley block and the wire rope system under the two states before and after the attitude adjustment of the component are determined At the same time, find out the relationship curve between the automatic adjustment process of the pulley block steel wire rope system and the change of the center of gravity of the component, so as to reasonably configure the number of pulley block groups, the length of the wire rope and the threading method; and finally use this set of pulley block auxiliary adjustment system to cooperate with hoisting lifting equipment. The s...

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Abstract

The invention relates to an asymmetrical structure air posture adjusting method, which specifically comprises the step of (1) designing a set of applicable pulley set hoist cable system auxiliary posture adjusting mechanisms; (2) allocating lifting equipment; and (3) performing overturn work. By adopting a set of pulley set auxiliary adjusting mechanism. The method achieves the target requirement for accurately adjusting and positioning the asymmetrical structure, and can strictly guarantee the conversion stability between force system and force point when adjusting the posture of the asymmetrical structure, furthermore, the force to the system does not abruptly changed, and the adjustment action is safe and reliable.

Description

technical field [0001] The invention relates to a method for adjusting attitudes of components such as overturning, translation, and lifting in the hoisting operation of a large steel structure, in particular to a method for adjusting the attitude of a large asymmetric steel structure turning over in situ. Background technique [0002] At present, in the hoisting operation of large-scale steel structures, it is usually necessary to perform actions such as turning over, translating, and lifting components. In the in-situ overturning operation of asymmetric components, since the center of gravity of the components deviates more from the center of the structure, the force system changes during the overturning process are complicated, and the process control is difficult to grasp; and the final state is not easy to control, and usually deviates greatly from the target state. Contents of the invention [0003] The present invention aims to solve the technical problem of attitud...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C13/08
Inventor 金东华顾海欢李茂兴
Owner SHANGHAI FOUND ENG GRP
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