Straight-moving arm assembly of a high-speed hydraulic drilling rig

Abstract

The invention discloses a direct operated arm assembly for a high-speed hydraulic drilling rig. A first horizontal hinge pin and a second horizontal hinge pin are respectively arranged at the front end and the rear end of the lower lateral surface of a direct operated arm; a third horizontal hinge pin and a fourth horizontal hinge pin are respectively arranged at the front end and the rear end of the upper lateral surface of the direct operated arm; the front end of the upper side of a body hinged seat is hinged to the second horizontal hinge pin; a first vertical hinge pin is arranged at the rear end of the body hinged seat; a support on one end face of the body hinged seat is hinged to the front end of a direct operated arm deflection oil cylinder; the third horizontal hinge pin is hinged to the front end of the lower lateral surface of a hinged joint; the rear end of the hinged joint is hinged to the front end of a drilling cramp front-and-back-swinging oil cylinder; the rear end of the drilling cramp front-and-back-swinging oil cylinder is hinged to the fourth horizontal hinge pin. According to the direct operated arm assembly disclosed by the invention, a drilling cramp can take the approximately-spherical composite motion, so that the drilling cramp can move in a large range and at a large angle, and thus, not only is the requirement of the high-speed hydraulic drilling rig for an operation environment reduced, but also drilling can be carried out on the flat or rough ground.

Description

technical field [0001] The invention belongs to the field of high-speed hydraulic drilling rigs, in particular to a straight-moving arm assembly of a high-speed hydraulic drilling rig. Background technique [0002] A high-speed hydraulic drilling rig is a widely used construction machine. It is mainly composed of a car body and a drill frame. The drill frame is currently connected to the car body through a straight arm. However, the structure and movement of the straight arm are very simple. It can only drive the drill frame to lift up and down in the vertical plane and swing back and forth at a small angle, so that the movement angle and range of the drill frame are limited, which leads to high-speed hydraulic pressure. Drilling rigs have strict requirements on the working environment. For example, vertical drilling can only be done on flat ground. If the ground is uneven, vertical drilling cannot be done. As a result, the existing hydraulic drilling rigs have limited opera...

AI Technical Summary

Problems solved by technology

However, the structure and movement of the straight arm are very simple. It can only drive the drill frame to lift up and down in the vertical plane and swing back and forth at a small angle, so that the movement angle and range of the drill frame are limited, which leads to high-speed hydraulic pressure. Drilling rigs have strict requirements on the working environment. For example, vertical drilling can only be done on flat ground. If the ground is uneven, vertical drilling cannot be done. As a result, the existing hydraulic drilling rigs have limited operating range and cannot adapt well to the working conditions. Therefore, it is urgent to solve the problem. The above technical problems

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