Automatic slip loading and unloading device for raise drilling rig

Abstract

An automatic slip assembling and disassembling device for a raise boring machine comprises a positioning rack, a straining beam, a bracket, a vertical push oil cylinder and horizontal push oil cylinders, wherein the positioning rack is vertically arranged; a fixed end of the vertical push oil cylinder is fixed on a top cover of the positioning rack; a retractable end of the vertical push oil cylinder is connected with the straining beam; the horizontal push oil cylinders are arranged on two sides of the bracket in the horizontal direction; a fixed end of each horizontal push oil cylinder is fixedly connected with the straining beam; a retractable end of each horizontal push pol cylinder is connected with the bracket. By the aid of positioning plates, the whole raise boring machine is fixed on a raise boring machine power head by the automatic slip assembling and disassembling device, a slip is arranged on the bracket, and the bracket is driven by the vertical push oil cylinder to move up and down and is driven by the horizontal push oil cylinders to move forwards and backwards, so that automatic assembling and disassembling of the slip is realized.

Description

technical field [0001] The invention relates to the technical field of supporting equipment for a raise drilling rig for coal mines, in particular to an automatic slip loading and unloading device for a raise drilling rig. Background technique [0002] Raise drilling rigs are widely used in the construction of vertical shafts and inclined shafts in mines, hydropower and other projects. Its working principle is to drive the power faucet through the hydraulic motor, transmit the torque to the drilling tool system, drive the drill pipe and the drill bit to rotate, and impact on the rock. Squeeze and shear action, breaking rock. [0003] Slips are a part used when the raise drilling rig disassembles the drill pipe. Its function is to clamp the drill pipe and limit the relative rotation between the drill pipe and the power head, so as to facilitate the release of the clamped drill pipe and the lower drill pipe when the power head is reversed. The thread between a drill rod achie...

AI Technical Summary

Problems solved by technology

At present, the weight of the slip structure used for small-scale raise drilling rigs is relatively light, and the slips are mainly loaded and unloaded by manual handling. For large-scale raise drilling rigs, the weight of the slips used together is more than 25kg, and it is difficult to carry the slips manually. , the labor intensity of the workers is high, and the manual installation and disassembly is time-consuming and laborious, which seriously affects the labor efficiency, and there are certain safety hazards

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