Cooling device of pneumatic drilling machine

The utility model discloses a cooling device of a pneumatic drilling machine. The cooling device comprises a pneumatic jumbolter assembly and water circulation cooling assemblies arranged at the head end and the tail end of the pneumatic jumbolter assembly. The water circulation cooling assembly com...

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Bibliographische Detailangaben
Hauptverfasser:	WEI GUOXING, DONG ZIJUAN, YANG XIAOMIAN, SUN BAOCUN, WANG YANDONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BEARINGS BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS REFRIGERATION OR COOLING REFRIGERATORS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL WEAPONS
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