Drill jumbo and leveling mechanism thereof

Drill jumbo and leveling mechanism thereof

The invention provides a drill jumbo and a leveling mechanism thereof. The leveling mechanism comprises a platform, an arm lever, a worktable, a lifting hydraulic cylinder and a balance hydraulic cylinder, wherein one end of the arm lever is hinged to the platform, the worktable is hinged to the oth...

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Hauptverfasser: LIU ZAIZHENG, MA CHENGBIAO, ZHENG DAQIAO, CHENG YONGLIANG, LIU FEIXIANG, HE ERCHUN
Format: Patent
Sprache:eng
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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creator LIU ZAIZHENG
MA CHENGBIAO
ZHENG DAQIAO
CHENG YONGLIANG
LIU FEIXIANG
HE ERCHUN
description The invention provides a drill jumbo and a leveling mechanism thereof. The leveling mechanism comprises a platform, an arm lever, a worktable, a lifting hydraulic cylinder and a balance hydraulic cylinder, wherein one end of the arm lever is hinged to the platform, the worktable is hinged to the other end of the arm lever, two ends of the lifting hydraulic cylinder are hinged to the platform and the arm lever respectively, and two ends of the balance hydraulic cylinder are hinged to the worktable and the arm lever respectively. The balance hydraulic cylinder keeps the same length as the lifting hydraulic cylinder so as to enable the attitude of the worktable to be kept unchanged. The leveling mechanism is simple in structure and high in reliability, and is capable of keeping the attitude (pitch angle) of the worktable unchanged after the arm lever is subjected to pitching motion, so that worktable attitude adjusting time is shortened.
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The leveling mechanism comprises a platform, an arm lever, a worktable, a lifting hydraulic cylinder and a balance hydraulic cylinder, wherein one end of the arm lever is hinged to the platform, the worktable is hinged to the other end of the arm lever, two ends of the lifting hydraulic cylinder are hinged to the platform and the arm lever respectively, and two ends of the balance hydraulic cylinder are hinged to the worktable and the arm lever respectively. The balance hydraulic cylinder keeps the same length as the lifting hydraulic cylinder so as to enable the attitude of the worktable to be kept unchanged. 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subjects 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
title Drill jumbo and leveling mechanism thereof
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