Mine tunnel drilling rig ZLJ250 tunnel drilling rig manufacturer sales hotline: 1.35837.52283 ZLJ250 drilling rig, ZLJ250 drilling rig prices, ZLJ250 drilling rig manufacturers, ZLJ250 much money rig ZLJ250 tunnel drilling rig machine features: simple structure, small volume weight light power. Failure rate, easy to operate. Mechanical drive hydraulic feed. Equipped with hydraulic chuck. ZLJ250 tunnel drilling machine for: subway tunnel, cable trench trenches, foundation drilling grouting. Foundation Reinforcement ground geological exploration and coal, iron ore, gold mine coal exploration various angles exploring water shutoff the gas drainage. ZLJ250 drilling rig basic performance parameters: Basic Parameter name ZLJ-250 vertical Rated output torque (NM) 250 using a drill (mm) Φ33.5 / 42 Drilling depth (m) 100/75 drill hole diameter (mm) Φ89 final hole (mm) ≥Φ50 vertical shaft diameter (mm) Φ44 vertical speed (r / min) 120/205/363 vertical stroke (mm) 400 Rated pull force (kN) 12 (7MPa) Rated driving force (kN ) 9 (7MPa time) drilling angle range (°) 0-360 winch lifting capacity (kN) 7.35 / 5.88 / 3.28 first layer of single rope winch lifting speed (m / s) 0.22 / 0.347 / 0.672 drum rope capacity (m) 26.8 rope diameter (mm) Φ8.8 spring chuck Pressure (Mpa) 6 spring chuck maximum clamping force (kN) 30 pump models YBC-12/80 pump rated pressure (Mpa) 8 pump rated flow ( Mpa) 12 Model YBK2-112M-4 Motor Power (kW) 4 Speed ??(r / min) 1440 Rated voltage (V) 380/660 Rated current (A) 8.8 / 5.1 mass (kg) 480 Dimensions (l × b × h) (mm) 1230 × 600 × 1185 manufacturers and Contact: Heng Wang Shandong Mining Group Co., Ltd. - is the country's largest production base! A world-class production workshop and advanced equipment, welcome to customers in the provisional return visit, to discuss cooperation! ! ! Manufacturers and Contact: Heng Wang Shandong Mining Group Co., Ltd. - is the country's largest production base! A world-class production workshop and advanced equipment, welcome to customers in the provisional return visit, to discuss cooperation! ! ! Contact: chai galvanic :: 0.5.3.7-2.3.5.5.5.1.4 hand chi: 1.3.5.8.3.7.5.2.2.8.3 fixed: 0.5.3.7-2.5.8.5.5.3.8 Q Q buckle : 2.2.9.0.0.4.8.3.4.4 Want: hengwangmn1 Q buckle Q-mail: 2.2.9.0.0.4.8.3.4.4@Q buckle Q.com