Impact device in hole within of high-speed rotary, is is by separate of Rotary institutions, that by hole outside of motor or wind moving rotating device, through received in impact device Hou end of drill pipe to achieved 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 has general user of praise. this paragraph products (LQ-200 track type rig) maximum open 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.