Design and Analysis of the Rotatable Balance-arm System in Crane

被引：0
|
作者：
Qin, Jian [1 ]
Wan, Jiancheng [1 ]
Jiang, Ming [1 ]
Ma, Yimin [1 ]
Feng, Liang [1 ]
机构：
[1] China Elect Power Res Inst, Beijing 100055, Peoples R China
来源：
2017 2ND INTERNATIONAL CONFERENCE ON DESIGN, MECHANICAL AND MATERIAL ENGINEERING (D2ME 2017) | 2017年 / 136卷
关键词：
D O I：
10.1051/matecconf/201713602004
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The merits and demerits of the movable balance-weight schemes in the existing tower crane are summarized and analyzed. The new design of rotatable balance-arm, latticed crane head, platform and rotational upper support is put forward for top of crane SXD50. The rotatable balance-arm is composed of two parallel truss structures, platform, luffing mechanism and balance-weight. The balance-arm can be pulled to rotate around the rotational upper support by luffing mechanism under amplitude control system. The forward torque is equaled to the backward torque from the balance-arm to realize the moment equilibrium of crane body during working. The luffing mechanism of balance-arm on the platform can be as a part of balance-weight. The finite element model of balance-arm and crane head is built and the calculated results prove the rotatable balance-arm system reliable and the structure strength satisfies the requirement of design.
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页数：5
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