Quick-drill pneumatic hard rock drill
A rock drill and hard rock technology, which is applied in the field of mine rock drills, can solve the problems of inability to use blasting drilling, inconvenient operation, and large volume, and achieve the effect of light volume, easy operation, and small volume
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[0025] Such as figure 1 , 2 As shown, the impact and cutting combined pneumatic rock drill of the present invention is composed of three independent parts connected by the main engine, the operating valve and the propulsion device; wherein the main engine is composed of a base, a fuselage and a machine head as a whole, and the three parts are composed of bolts 9 Put the gland 8 of the machine head and the base 1 together and fasten them; the basic structure of the main engine is that the machine head consists of the gland 8 and the head box (including the worm gear box cover 5 and the worm gear box body 4) to form the machine head cavity. The rotary sleeve 10 is installed in the head chamber through the angular contact bearing 13, and the shank sleeve 7 is inserted into the rotary sleeve 10; Air intake nozzle 20 is arranged, and intake nozzle 20 communicates with gas distribution valve; Described gas distribution valve is a finned structure, and finned structure is made of va...
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