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;
The connecting hole on the upper arm of the hoist is penetrated by a connecting shackle connected with a main steel cable hanging rope.
位于重型井架或桅架式井架顶部的固定的滑轮组(称之为滑车轮槽轮),通过该滑轮组钻井钢丝绳进行穿绳。
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded.
从钢丝绳的开卷方式、穿绕方式、切断扎结方式等方面论述钢丝绳的正确使用方法。详细介绍塔式起重机用钢丝绳的日常检查和维护的方法,给出报废原则。
The right use method of wire rope is expounded from such aspect as opening coil mode, penetrating and winding mode, cut off and lashing mode of wire rope.
从钢丝绳的开卷方式、穿绕方式、切断扎结方式等方面论述钢丝绳的正确使用方法。详细介绍塔式起重机用钢丝绳的日常检查和维护的方法,给出报废原则。
The right use method of wire rope is expounded from such aspect as opening coil mode, penetrating and winding mode, cut off and lashing mode of wire rope.
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