钻机绞车刹车系统的制动特性是合理设计和使用刹车装置的理论基础。
The braking characteristic of the brake system of rig drawworks is a basis of design and use of brake apparatus.
石油钻机绞车刹车鼓在下钻过程中，由于热负荷的作用会发生热疲劳破坏。
The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.
我们经常保养钻机(绞车)。
交流变频电驱动钻机采用VFD驱动和数字控制技术，可简化绞车结构，提高钻机性能。
AC VFD rig adopts VFD and digital control technology, simplifying the drawworks structure and improving the rig's performance.
石油钻机的绞车一般设计成多个档位，各档的挂合和变更方法都不同。
Multi gears is commonly used for the winch of oil RIGS each with different gear changing method.
在钻机或修井作业机的绞车中使用提升滚筒。
A hoisting drum is used in the drawworks of a drilling or workover rig.
特深井钻机的绞车由多台大功率电机通过并车后驱动，保证了钻井过程的功率需求；
The winch of extra deep shaft rig is driven by multiple high power motors that paralleled, which guarantees drilling's power requirement;
绞车是钻机的核心部件。
深井钻机在下钻或下套管作业中，绞车电磁制动一旦失灵可能造成严重事故。
When the drawworks's electromagnetic brake is out of work in drilling or casing operation, serious accident will happen.
深井钻机在下钻或下套管作业中，绞车电磁制动一旦失灵可能造成严重事故。
When the drawworks's electromagnetic brake is out of work in drilling or casing operation, serious accident will happen.
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