1.Brief introductions of ZLJ650 grouting reinforcement drilling rig ZLJ-650 grouting reinforcement drilling rig is mainly used for drilling holes with different angles in underground mine, tunnel, subway and slope support. This drilling rig adopts mechanical drive, hydraulic feed with small size, light weight, The drilling rig is reliable and convenient to operate. 2. Specifications of ZLJ650 grouting reinforcement drilling rig Drilling hole diameter 50-113mm Hole depth 200m Drilling pipe diameter 42mm Open hole diameter 50-113mm End hole diameter 56-113mm Vertical rated speed 340 192 112 r/min Vertical shaft torque rating 130/ 230/ 400 n.m Main shaft angle 0-360 Spindle stroke 400mm System pressure rated 8mpa Feeding force 9kn Elevating power 12kn Winch lifting capacity 7.35kn Drum Capacity  26.8m Wire rope diameter  8.85mm Oil pump type YBC-12/80 Motor power 7.5kw Dimension 1200*700*1280mm Total weight 560kg