Internal-transmission torque hydraulic cylinder and water-detecting gas-detecting onboard jumbolter

Abstract

The invention relates to an internal-transmission torque hydraulic cylinder and a water-detecting gas-detecting onboard jumbolter. The internal-transmission torque hydraulic cylinder comprises a cylinder body, a cylinder cover and a piston rod and is characterized in that a torque rod is arranged inside the cylinder body, one end of the torque rod is fixed at the bottom of the cylinder body, the piston rod is axially and movably sleeved on the torque rod and circumferentially fixed relative to the torque rod, and an oil through channel running through the contact surface of the piston rod and the torque rod axially. The internal-transmission torque hydraulic cylinder and the water-detecting gas-detecting onboard jumbolter have the advantages of being simple structure, low in volume, flexible, light, convenient to install, capable of achieving integral synchronous operation of digging, anchoring, water detection and gas detection and accurate and safe in operation.

Description

technical field [0001] The invention belongs to the technical field of tunneling equipment for tunneling working faces in underground coal mines, and in particular relates to an airborne bolter for water and gas exploration and a hydraulic cylinder used for the bolter. Background technique [0002] Roof bolting rig is a drilling tool in coal mine roadway bolt support and water exploration and gas exploration operations. It has very prominent advantages in terms of reducing the amount of labor, reducing labor intensity, and improving the utilization rate of the roadway section. Monolithic rock bolter is currently the most widely used rocker drill, including a push cylinder, a hydraulic motor connected to the lever of the push cylinder, and an operating arm connected to the hydraulic motor. The operator controls the drilling of the rock bolt through the operating arm Direction, the single-body bolter has the disadvantages of slow overall support speed, low degree of mechaniza...

AI Technical Summary

Problems solved by technology

The existing airborne rock bolter is installed on the upper part of the roadheader as a whole, including a mechanism for adjusting the drilling direction, a propulsion cylinder and a hydraulic motor. The propulsion cylinder is an ordinary hydraulic cylinder, and the hydraulic motor is connected to the lever of the hydraulic cylinder. Due to the rotation reaction torque generated by the stuck drill pipe, the outside of the hydraulic motor is equipped with a reaction torque support mechanism. This mechanism is generally a bracket fixed outside the hydraulic cylinder. The bracket slides axially with the casing of the hydraulic motor, and the structure is extremely complicated. Large volume and weight, difficult installation and maintenance, and high cost

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