DY-23 internal combustion rock drill, gasoline rock drill, pneumatic rock drill 
 DY-23 Zaoyanjixie type drilling machine alias: internal combustion rock drill 
 Bore diameter of 26-46 (mm) 
 Hole to the depth of ≥ 6 (m) 
 Drilling speed ≥ 250 (mm / min.) 
 Impact energy of ≥ 20 (J) 
 Purposes: DY-23 internal combustion rock drill has perforated, split, broken, tamping shovel chisel function, widely used in mining, road construction, quarrying, national defense projects and other projects. 
 Features: 

 1, do not replace the head internal parts, just move the handle as required, can be operating. 
 2, the use of aircraft operating convenience, the more time-saving, labor-saving, with chisel-speed, high efficiency characteristics. 
 3, it now stands at the class level of similar products, and similar parts completely interchangeable. 
 4, on the rocks perforated vertically downward, level up less than 45 ° vertical down the deepest drilling up to six meters. 
 5, host weight only 27 kg, and easy to carry, for the mountains, no power, no region of the pressure equipment, and greater mobility of temporary workers 
 The process is particularly suitable. 
 6, both in the mountains, plains, and can work both in the heat of the 40 ° or 40 ° below zero cold regions, this machine has a wide range of adaptability. 
 DY-23 internal combustion rock drill, gasoline rock drill, pneumatic rock drill