Design of the track-mounted ZDY4000LD(A) fully hydraulic directional drilling rig

In order to meet the condition of the narrow coal mine roadway, ZDY4000LD(A) directional drilling rig is developed and produced, which is mainly used to drill deep hole for gas extraction, water delection and drainage, roof and floor grouting. The primary design methods are introduced including conceptual design, key structural design, hydraulic system design, molding design, the key structural design and hydraulic system design.