Novel descending frame spraying device

Novel descending frame spraying device

The utility model discloses a novel descending frame spraying device which comprises a lifting frame, a control valve is installed on the lifting frame, a liquid inlet pipe is installed on the left side of the control valve, a first liquid return pipe is installed on the right side of the control va...

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Hauptverfasser: YI JING, LIU WEI, ZHANG JIANTAO, YE XIAOSAN, NIU JINXING, WANG YUTING, LI LI, FAN HONGFA, DUAN JIANTAO, LIU CHENCHEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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creator YI JING
LIU WEI
ZHANG JIANTAO
YE XIAOSAN
NIU JINXING
WANG YUTING
LI LI
FAN HONGFA
DUAN JIANTAO
LIU CHENCHEN
description The utility model discloses a novel descending frame spraying device which comprises a lifting frame, a control valve is installed on the lifting frame, a liquid inlet pipe is installed on the left side of the control valve, a first liquid return pipe is installed on the right side of the control valve, a three-way connector is installed on the right side of the first liquid return pipe, and a second liquid return pipe is installed on the right side of the three-way connector. A liquid supply pipe is installed on the lower side of the three-way connector, a one-way valve is installed at the lower end of the liquid supply pipe, an execution inlet is formed in the left end of the lower side of the one-way valve, and a first water supply pipeline is installed at the execution inlet. According to the novel descending frame spraying device, a three-way connector is installed on a control valve on the right side of a lifting frame, a liquid supply pipe is communicated with a pilot port of a one-way valve, pressure
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A liquid supply pipe is installed on the lower side of the three-way connector, a one-way valve is installed at the lower end of the liquid supply pipe, an execution inlet is formed in the left end of the lower side of the one-way valve, and a first water supply pipeline is installed at the execution inlet. 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subjects EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
title Novel descending frame spraying device
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