Heavy-load antifriction type sealing transmission shaft assembly

Heavy-load antifriction type sealing transmission shaft assembly

The invention discloses a heavy-load antifriction type sealing transmission shaft assembly. The heavy-load antifriction type sealing transmission shaft assembly comprises a transmission shaft and a shell, an installation cavity is formed between the transmission shaft and the shell, and a lower seal...

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Hauptverfasser: LI MEIQIU, HOU ZUOFU, LIU YANG
Format: Patent
Sprache:chi ; 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 LI MEIQIU
HOU ZUOFU
LIU YANG
description The invention discloses a heavy-load antifriction type sealing transmission shaft assembly. The heavy-load antifriction type sealing transmission shaft assembly comprises a transmission shaft and a shell, an installation cavity is formed between the transmission shaft and the shell, and a lower sealing assembly, a lower positioning assembly, a bearing pack assembly, an upper positioning assembly and an upper sealing assembly are sequentially installed in the installation cavity from bottom to top; and the bearing pack assembly comprises a plurality of joint bearing packs, a plurality of conical bearing packs and a plurality of pressure-bearing rings, and the joint bearing packs and the conical bearing packs fixedly sleeve the outer wall of the transmission shaft in a staggered mode. The transmission shaft assembly has the following beneficial effects that the joint bearing packs and the conical bearing packs are arranged on the transmission shaft in a staggered mode, so that the transmission shaft rotates alo
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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 Heavy-load antifriction type sealing transmission shaft assembly
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