Height adjusting and supporting device for coal mining machine body

Height adjusting and supporting device for coal mining machine body

The utility model discloses a height adjusting and supporting device for a coal mining machine body, which comprises two height-adjustable supporting mechanisms which have the same structure and are symmetrically arranged on the coal mining machine body close to the coal wall side, the two height-ad...

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Hauptverfasser: BU QINGHUI, ZHAO SHUFEI, LIU YANRU, HU PEIQI, CHEN XIAOXU
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
MINING OR QUARRYING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SHAFTS
TUNNELS
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creator BU QINGHUI
ZHAO SHUFEI
LIU YANRU
HU PEIQI
CHEN XIAOXU
description The utility model discloses a height adjusting and supporting device for a coal mining machine body, which comprises two height-adjustable supporting mechanisms which have the same structure and are symmetrically arranged on the coal mining machine body close to the coal wall side, the two height-adjustable supporting mechanisms are respectively connected to two traction boxes, and each height-adjustable supporting mechanism comprises an L-shaped supporting plate and a smooth shoe, an adjusting oil cylinder is arranged between the L-shaped supporting plate and the traction box, a guide groove is formed in the traction box, two limiting blocks are symmetrically arranged at an opening of the guide groove, and the top of the L-shaped supporting plate is fixedly installed in the guide groove through a fastening bolt and a positioning pin; a plurality of fastening bolt mounting holes distributed in rows and a plurality of pin holes distributed in rows are formed in the guide groove. The two height-adjustable suppo
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
MINING OR QUARRYING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SHAFTS
TUNNELS
title Height adjusting and supporting device for coal mining machine body
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