We lubricate rig (drawworks) very often.
我们经常保养钻机(绞车)。
Remove the front cover of the drawworks.
卸掉绞车前边的护罩。
Remove the front guard cover of the drawworks.
卸掉绞车前边的护罩。
Drawworks is a core component of a drilling rig.
绞车是钻机的核心部件。
The driller disengages the drum clutch and secures the drawworks.
司钻摘掉辊筒离合器，刹住绞车。
Install the front drawworks guard cover after the mast is raised.
井架起来之后，把绞车前边的护罩装上。
A hoisting drum is used in the drawworks of a drilling or workover rig.
在钻机或修井作业机的绞车中使用提升滚筒。
Manually reeve 6 wraps of the 1 inch Manila rope onto the drawworks drum.
把一寸的棕绳在绞车辊筒上缠六圈。
Note: some drawworks are equipped with a fixed clamp on the side of the drum.
注意：在有些绞车辊筒的一边配了固定的活绳头卡子。
Feed the new drilling line (fast line) through the side of the drawworks drum.
把快绳头穿过绞车辊筒的一边。
The front drawworks guard should be put back in place when the operation is completed.
作业结束之后，要尽快把绞车前边的护罩装回原处。
Drawworks adopts single shaft gear transmission structure, which is simple and reliable.
绞车为单轴齿轮传动结构，传动结构简单、可靠。
Hydraulic well testing drawworks includes mobile roller drawworks and fixed roller drawworks.
液压试井绞车分活动式滚筒和固定式滚筒两种。
Install newly cut fast line into the drawworks drum and fasten the clamp with the torque wrench.
把刚割断的快绳头装到绞车辊筒内，用扭矩扳手上紧活绳头卡子。
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。
Next, reeve the 1 inch Manila rope through the fast line sheave and pull back to the drawworks drum.
下一步，把棕绳穿过天车上的快绳轮，再拉回到绞车辊筒。
The braking characteristic of the brake system of rig drawworks is a basis of design and use of brake apparatus.
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。
With the fast line tied off, remove the snake from the drilling line, and remove the 1 inch rope from the drawworks drum.
把快绳绑好之后，从大绳上把蛇皮接绳器卸下来。再把棕绳从绞车辊筒上弄下来。
AC VFD rig adopts VFD and digital control technology, simplifying the drawworks structure and improving the rig's performance.
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。
The brake rims on drilling rig drawworks are subjected to heat load during string lowering and will end in thermal fatigue failure.
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 main drawworks (40 and 50 model) utilize air-tube clutch to shift gears, which are suitable for remote control, fast and convenient maintenance.
主绞车（40级和50级 ）采用气胎离合器换档，适合远距离操作，方便快捷。
After a drum is dismounted, a spared drum can be located on the drawworks by the hoisting unit, thereby the truck can te put into operation on another well.
然后再利用小吊架吊起一个备用滚筒安装在绞车上，载车就可载着绞车到其他油井继续作业。
After a drum is dismounted, a spared drum can be located on the drawworks by the hoisting unit, thereby the truck can te put into operation on another well.
然后再利用小吊架吊起一个备用滚筒安装在绞车上，载车就可载着绞车到其他油井继续作业。
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