1、
The drawworks auto-gearing system controlled by single chip computer is put forward in this paper.
提出了由单片机控制的绞车自动换挡系统.
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2、
3、
4、
Experimental research on comprehensive improvement of brake system of drilling rig drawworks
石油钻机绞车刹车系统综合改进试验研究
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5、
6、
Test and Study on friction performance of the brake blocks on drawworks for drilling
石油钻机绞车刹车块摩擦性能的试验研究
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7、
A Method for Measuring Instantaneous Working Temperature of the Drum Brake on Drawworks
绞车刹车副瞬时工作温度的测量方法
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8、
9、
用刹车气缸取代刹把驱动滚筒带刹车的转轴，操纵气阀手柄实现了刹车的远程控制及司钻入室操作。
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