Chisel rock Shi produced of rock powder, by Feng Shui mixed gas flush discharge hole outside, mixed gas is by row powder institutions by drill pipe Center injected impact device of, again by impact device cylinder body Shang of gas slot into hole end of. its advantages is: to minimum of power, minimum of cost meet drought irrigation water of need, is currently most advanced, and fast of mechanized drilling equipment one of, has success sold domestic outside, And won the praise of customers. this product (LQ-200 crawler water well drilling rig, Shandong) maximum hole depth 1000m-2000m, drilling diameter maximum 235mm 2000mm-3000mm drill pipe length, power stroke 2800mm-3700mm, drill diameter 89mm, lifting capacity 15T, Rotary torque 5500NM, carrying mode: hydraulic crawler, walking speed: 2500km/h, climbing capacity is 25 °, Dimensions 2600mm*1300mm*2050mm, weight 4600kg.