A control scheme that trolley and pulley blocks can arrive at the preset positions as soon as possible and swinging Angle caused by wire rope and load inertias can be removed is obtained.
控制模型的目标是建立使小车和滑轮组尽快到达预定位置，并消除钢丝绳和负载由惯性所致摆角的控制方案。
The arc guiding pipe is in a trolley-guiding construction to reduce the scratch upon the wire rods surface.
圆弧导向管采用滚轮导向结构，减少铜杆表面擦伤。
The four corners of the frame are provided with four pulleys. Wire ropes pass round the pulleys and are tightened on the reel drum of a crane trolley.
框架上面的四角装有四只滑轮，钢丝绳绕过滑轮向上系于起重行车的卷筒上。
The four corners of the frame are provided with four pulleys. Wire ropes pass round the pulleys and are tightened on the reel drum of a crane trolley.
框架上面的四角装有四只滑轮，钢丝绳绕过滑轮向上系于起重行车的卷筒上。
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