平衡力矩 equilibrant moment
- 平衡重块安装位置不准确,会造成起重臂与平衡臂平衡力矩偏差过大,轻易造成塔吊失稳。
Balance weight block installation position is not accurate, will cause the boom and the balance arm balance torque deviation is too large, easily lead to instability of the tower crane. - 顶升作业时液压系统应进行空载运转,调整顶升套架滚轮与塔身标准节的间隙,使起重力矩与平衡力矩保持平衡;
Lifting operation hydraulic system should be no-load operation, adjust the lifting sleeve frame roller and the mast section clearance, hoisting torque and balance torque balance;
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