Drill collar lock device, drilling and well servicing pipe arrangement device and use method

The invention relates to the technical field of drilling equipment, and particularly relates to a drill collar lock device, a drilling and well servicing pipe arrangement device and a use method. Thedrill collar lock device comprises a first buffer part, wherein one end of the first buffer part is arranged on a mounting base, and the other end of the first buffer part is connected with the end ofa push rod of a straight motor; and the first buffer part is used for providing buffer force for making the push rod move in the direction away from a base of the straight motor. The impact of a stoplever on the motor can be buffered. 本发明涉及钻井设备技术领域，具体而言，涉及一种钻铤锁装置、钻修井排管设备和使用方法。钻铤锁装置包括第一缓冲件，第一缓冲件的一端设置在安装座上，第一缓冲件的另一端与直行电机的推杆的端部连接；第一缓冲件用于提供使推杆向远离直行电机的底座的方向移动的缓冲力。其能够缓冲电机受到来自挡杆的冲击。