采用空间薄壁板壳元与空间梁元混合离散模型对大吨位起重机钢丝绳缠绕卷筒进行有限元分析，将有限元方法与进退法优化方法耦合形成数值算法进而对卷筒进行优化设计。
The numerical method represents a coupling between the optimum method of advance and retreat and the finite element analysis for the design on large hoist drums of cranes that is an actual structure.
卷筒上钢丝绳必须缠绕排列整齐，不得乱绳。
这种钢丝绳沿滚筒松开和缠绕引起游动滑车从井眼内下降或上升，无论游动滑车下面悬挂的是什么东西。
This reeling out and in of the drilling line causes the traveling block, and whatever may be hanging underneath it, to be lowered into or raised out of the wellbore.
松开钢丝绳是依靠重力的作用，而缠绕钢丝绳则是借助于电马达或柴油机。
The reeling out of the drilling line is powered by gravity and reeling in by an electric motor or diesel engine.
吊杆架可绕自身轴线回转，手摇起重机绳筒上缠绕的钢丝绳通过吊杆架带动吊具。
The suspension can turn winding it's axle line, the wire rope winding on the rope roller drive the suspension tools by the suspension shaft.
推导出双层缠绕时提升钢丝绳咬绳力的计算公式，给出一个实例计算结果。
The Paper deduces the calculating formula for interference force between hoisting ropes in double-layer winding and gives the calculating results of an example.
钻机启动过程中的冲击载荷造成快绳拉力过大是钢丝绳在滚筒缠绕过程中发生夹绳、乱绳事故的主要原因之一。
One of the accident of wire line squeeze and disorder is caused by the impact force happened on fast line during rig starting.
为更换缠绕在天车和游动滑车周围的钻井钢丝绳用。
To replace the drilling line wrapped around the crown block and traveling block.
钢丝绳绕经驱动轮时部分成圆周缠绕，一部分是直线缠绕。
When the steel wire rope is winded by the drive wheel some winded along the circumference, others winded along the straight line.
钢丝绳绕经驱动轮时部分成圆周缠绕，一部分是直线缠绕。
When the steel wire rope is winded by the drive wheel some winded along the circumference, others winded along the straight line.
应用推荐