ZDY4300LK crawler type automatic tunnel drill for coal mine is a new tunnel drill developed by CCTEG Xi'an Research Institute (Group) Co., Ltd., for the problems of low automation level of underground coal mine drilling equipment, high labor intensity of workers and low safety factor.The drill adopts the integral layout, set the main engine, pump station, control console, explosion-proof control system, data acquisition and detection system in one;With wireless remote control, automatic loading and unloading of drill pipe, one key automatic drilling, condition monitoring and fault diagnosis, remote data transmission and other functions, mainly used in coal mine underground gas extraction hole, water exploration hole, geological structure detection hole and other engineering hole construction.In order to verify the comprehensive performance of the drilling machine, the type test, ground drilling test and field industrial test have been carried out on the drilling machine, the reliability of the mechanical structure of the drilling machine and the stability of the control system have been comprehensively inspected.Among them, in the field industrial test carried out in Fusi Coal Mine, Bindawei, Shaanxi Province, the drill used automatic drilling method to carry out the construction of gas extraction holes and water exploration holes, the total construction of 14 holes, a total of 1379.75m, the maximum hole depth of 172.5m, drilling speed of 25 ~ 35m/h, the comprehensive drilling efficiency reached 2~3 times of the ordinary drill.Various tests show that ZDY4300LK coal mine with crawler type automatic tunnel drill structure design is reasonable, electro-hydraulic control system and remote control system is stable, reliable, high degree of automation, process adaptability, low labor intensity, safety and drilling efficiency, laid a solid foundation for the development of intelligent drilling technology equipment in coal mine, intelligent coal mine construction.
