Emergency braking will not only make the running in the brakesystem is affected, but also increase the chassis and engine impact load.
紧急制动不光会使磨合中的制动体系受到冲击，并且还会加大车辆底盘和发动机的冲击负荷。
2
Pneumatic-electric emergency valve has pneumatic emergency function and Electric emergency function, which can simplify DK—1 brakesystem and reduce trouble.
气电两用紧急阀具有气动紧急和电动紧急功能，可将DK— 1制动系统简化，减少故障发生。
3
The system design is reasonable, safe and reliable, fully meet the normal tripping and emergencybrake of drilling rig, the light drilling and workover machines, has a good application prospect.