SUBMERSIBLE HYDRAULIC PERCUSSIVE DRILLING MACHINE

drilling equipment, geological prospecting, hydrogeology and mining industry. SUBSTANCE: invention refers to submersible drilling machines with volumetric hydraulic drive for percussive drilling. Proposed machine has body, adapter, churn drill and anvil provided with central discharge path and distr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	LIPIN A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	drilling equipment, geological prospecting, hydrogeology and mining industry. SUBSTANCE: invention refers to submersible drilling machines with volumetric hydraulic drive for percussive drilling. Proposed machine has body, adapter, churn drill and anvil provided with central discharge path and distribution system with feeding-discharge valve and rod with central discharge duct. Sleeve with spring-loaded piston dividing internal space of body into pressure and accumulation chambers is mounted in upper part of body, on side of adapter. Accumulation chamber is permanently connected to discharge path via central discharge duct of rod. EFFECT: raised operational reliability of machine due to prevention of penetration of slime into machine during operation. 3 dwg