After wirerope being pulled tightly, the safety brake loosen, operate safety inserting block's handle, withdraw the safety inserting block from guiding track framework.
钢丝绳涨紧后,防坠安全滑块松开,操纵安全插块控制手柄,使安全插块退出导轨架。
2
Equivalent triangle structure is constructed with hinged bar elements to precisely simulate the effect of wirerope pulley block in the finite element analysis of structure of construction machines.