Hoisting Plug

Description

The new type of tare weight gripper designed and developed independently by our company drives the kava to clamp the drilling tools making use of the tare weight. The heavier are the drilling tools, the tighter is the clamping, completely solving the problem of drill running because of the scarcity of the clamping force of the traditional grippers. The new type of tare weight gripper, maintaining the relevant good clamping effects, not only significantly reduces the volume and weight of the gripper but also achieves the function innovation of removing the gripper at any time in the case of not moving the drilling pipe. The new type of tare weight gripper is suitable for clamping rope drilling pipes of diameters Φ*1,Φ*9,Φ**8,NQ,HQ and PQ.