The connecting hole on the upper arm of the hoist is penetrated by a connecting shackle connected with a main steelcable hanging rope.
吊具上臂的连接孔穿有连接卸扣，连接卸扣连接主钢丝绳吊系；
2
The hole of the auxiliary hanging rope connecting plate of the upper arm of the hoist is connected with an auxiliary steelcable chain hanging rope and a small steering rope.
吊具上臂的副吊系连接板的孔内连接副钢丝绳链条吊系和转向小绳。
3
The critical loads of linear elastic flexuosity were computed for 64,80 m hoist masts under the condition of inclined steelcable on the top using finite numerical simulation method.