Drilling boom with telescopic manipulator - has feed with drifter, and servo-mechanisms for hydraulic cylinders

The drilling boom has a telescopic manipulator mounted on a bearing plate and able to turn round the vertical axis, while hinged to its free end is a feed with a drifter and with a crowd hydraulic cylinder. On the vacant end of the manipulator is a head carrying hydraulic cylinders for tilting and t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	V. K. GRIGORIEV, V. D. CHUGUNOV, A. M. TSIPKIS, M. N. KUDRYAKOV, V. G. YAKOVLEV, V. B. TUMARKIN, J. B. BASHILOV, J. M. KULAEV, V. Y. FELDMAN, V. F. SEMIKOZOV, V. I. BADIN ET V. V. SHEVELEVA
Format:	Patent
Sprache:	eng ; fre
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:	The drilling boom has a telescopic manipulator mounted on a bearing plate and able to turn round the vertical axis, while hinged to its free end is a feed with a drifter and with a crowd hydraulic cylinder. On the vacant end of the manipulator is a head carrying hydraulic cylinders for tilting and turning the feed in a horizontal plane and a rotational mechanism adapted to turn the feed. Hydraulic cylinders lift and turn the manipulator in a horizontal plane. The manipulator-actuating hydraulic cylinder and the feed crowd cylinder are controlled by respective servomechanisms, each having a servo drive rod with hydraulic cylinders, the rod-end space or piston-end space of each cylinder communicating with the respective rod-end space or piston-end space of the hydraulic cylinder controlled by the servomechanism, the spaces being equal in volume.