Device and method for cleaning and recycling float coal behind top coal caving support

Device and method for cleaning and recycling float coal behind top coal caving support

The invention provides a device and method for cleaning and recycling float coal behind a top coal caving support. The device is based on a rear support connecting rod of the top coal caving hydraulic support and comprises an overturning plate, a telescopic plate, a telescopic oil cylinder and a fir...

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Hauptverfasser: LIU SHUAIGANG, WANG GUANGHUI, YAN SHUAI, WU BOWEN, XU YING, BAI JIANBIAO, WANG XIANGYU, ZHAO JIAXIN
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SHAFTS
TUNNELS
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creator LIU SHUAIGANG
WANG GUANGHUI
YAN SHUAI
WU BOWEN
XU YING
BAI JIANBIAO
WANG XIANGYU
ZHAO JIAXIN
description The invention provides a device and method for cleaning and recycling float coal behind a top coal caving support. The device is based on a rear support connecting rod of the top coal caving hydraulic support and comprises an overturning plate, a telescopic plate, a telescopic oil cylinder and a first overturning oil cylinder; a connecting column and a hinge seat are arranged on the front side surface of the overturning plate; the connecting column is hinged to the inner side face of one rear support connecting rod, and a notch allowing the overturning plate to rotate around the same rear support connecting rod is formed in the section, close to the connecting column, of the overturning plate; a sliding groove extending in the length direction of the overturning plate is formed in the overturning plate; the telescopic plate is matched with the sliding groove; a cylinder body of the telescopic oil cylinder is fixed to the overturning plate, and a cylinder head is hinged with the telescopic plate; and a cylinde
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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SHAFTS
TUNNELS
title Device and method for cleaning and recycling float coal behind top coal caving support
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