telescoping cylinder

This paper is devoted to researching the telescoping system with single cylinder and pinning, which is the crucial technique by which the high-performance, lower prices big-ton crane can be made.

本文以研发适合中国国情的、中价位、高性能的大吨位轮式起重机所急需攻克的关键技术之一&单缸插销式自动伸缩臂控制系统作为研究对象。

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telescoping of the boom is carried out through telescoping cylinder and steel cable, and all booms telescope simultaneously.

吊臂的伸缩是通过伸缩油缸和钢丝绳进行，各伸缩臂同步伸缩。

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the mapping relation between the telescoping cylinder and the rotation of booms is obtained, so the control of booms are performed. 2.

得到了油缸伸缩运动和臂架变幅运动之间的映射关系，实现了臂架变幅运动的制约。

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The structure of the derrick is triple-section telescoping structure, substructure is parallelogram structure, can be lifted by hydraulic cylinder.

井架采用三节伸缩式结构，底座采用平行四边形结构，能用液缸整体起升。

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