ZQJC-150 / 2.8 pneumatic drill column frame work of video ZQJC-150 / 2.8 pneumatic drill column frame is designed for high gas concentration and underground roadway design is not easy to use the power of the machine is the top tight cylinder, with a rotating, rack driven by a gas motor to feed and back, greatly reducing the labor intensity. ? Change machine is mainly used to detect geological structures in coal exploration drilling water holes gas exploration, coal seam water holes and put pressure discharge hole. ZQJC-150 / 2.8 pneumatic drill column frame China's overall technological level of the road, the overall ease the traffic tension, improve economic efficiency, ZQJC-150 / 2.8 pneumatic drill column frame to enhance the development of vitality, enhance the national quality of life, the protection of national Security has made outstanding contributions. At the same time, with the rapid economic and social development, ZQJC-150 / 2.8 pneumatic drill column frame national trunk highway planning and construction is still facing some problems to be solved, such as the coverage is not comprehensive, inadequate main channel capability, network efficiency needs to be improved, and other modes of transportation, such as the need to further strengthen the interface. Performance Parameters Unit Value Working pressure MPa 0.40 0.50 0.63 Rated torque N · m 140 150 160 Rated speed r / min 150 180 190 Maximum output power kW 2.1 2.8 3.1 Maximum load torque N · m 200 250 270 Power Stall Torque N · When m 210 260 280 starting torque N · m 205 255 275 Air Consumption m3 / min 4.7 5.5 6.2 No-load speed r / min 430 450 460 1/2 load speed r / min 215 225 230 1/2 load speed torque Nm 100 120 120????? Performance Parameter Unit Value noise level dB (A) 106 108 110 acoustic frequency noise level dB (A) 116 118 120 Self Drilling dimensions mm 18 × 18?? hole diameter mm Φ76-Φ110?? propulsion kn 5?? rail length mm 2200?? rail propulsion stroke mm 1300??-load pushing speed mm / min 6000?? maximum working height mm 1500?? minimum working height mm 500?? Host Weight kg 45?? support mechanism Weight kg 130 ZQJC-150 / 2.8 pneumatic drill column frame is designed for high gas concentrations and difficult to use underground roadway design power, the aircraft for the top tight cylinder with reversing, by motor driven rack to feed and back, greatly reducing the labor intensity. It is mainly used in the drilling side of the geological structure of coal, coal seam water injection hole and put pressure discharge hole. No. The basic parameters of the unit ZQJC-150 / 2.8 1 Working pressure MPa 0.50 2 rated torque N · m 150 3 Rated speed r / min 180 4 Maximum output power kW 2.8 5 maximum load torque N · m 250 6 dynamic stall torque N · m 260 7 starting torque N · m 255 8 Air Consumption m3 / min 5.5 9 load speed r / min torque load speed r / min 225 11 1/2 load speed of 45,010 at half N · m 120 12 noise level dB (A) 108 Sound power level dB (A) 118 13 drill tail size mm 18 × 18 14 Drilling diameter mm? 50 ~? 150 15 Propulsion kN 5 16 rail length r / min 2200 17 rail propulsion stroke r / min 1300 18 no-load pushing speed mm / min 6000 19 Maximum working height mm 1500 20 Minimum Operating height mm 500 21 Weight kg 45 22 host support mechanism Weight kg 130 JSD-HH Jining Gast Mining Equipment Co., Ltd.