〗Research on a Drill Pipe Holder with Preload Function

Abstract:

Based on the analysis on the problems of existing mechanical drill pipe holder, in view of the mechanical drill pipe holder’s working reliability and operability, the hinged force-increasing clamping structure is adopted to design a kind of holder with preloaded clamping function, which c52an increase the initial clamping force of gripper and improve the performance of drill pipe holder.