Hydraulic telescopic grouting device for reinforcing soil layer before shield opening

The utility model provides a hydraulic telescopic grouting device for reinforcing a soil layer before a shield is opened. The grouting device comprises a counter-force support, a grouting pipe, a telescopic oil cylinder and an oil cylinder fixing base, the counter-force support is fixed to a flange...

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Hauptverfasser:	ZHOU QIUYUE, TANG HUI, XUE KAIBIN, YANG YU, LI YINGJIAO, ZHOU SHUQING, DU DIANKUI, LIU ZHENDONG, DANG CHENGPENG
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	ZHOU QIUYUE TANG HUI XUE KAIBIN YANG YU LI YINGJIAO ZHOU SHUQING DU DIANKUI LIU ZHENDONG DANG CHENGPENG
description	The utility model provides a hydraulic telescopic grouting device for reinforcing a soil layer before a shield is opened. The grouting device comprises a counter-force support, a grouting pipe, a telescopic oil cylinder and an oil cylinder fixing base, the counter-force support is fixed to a flange plate on the outer side of a reserved ball valve on the soil bin wall, and a grouting pipe penetrating hole matched with the grouting pipe is formed in the counter-force support; the oil cylinder fixing seat is an annular support and is fixedly arranged at the position, close to the grouting head, of the grouting pipe in a sleeving mode, the grouting head of the grouting pipe penetrates through a grouting pipe penetrating hole in the counter-force support and stretches into the inlet end of the reserved ball valve, and the telescopic oil cylinder is horizontally arranged between the oil cylinder fixing seat and the counter-force support and stretches to the maximum stroke. And one end of the telescopic oil cylinder
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The grouting device comprises a counter-force support, a grouting pipe, a telescopic oil cylinder and an oil cylinder fixing base, the counter-force support is fixed to a flange plate on the outer side of a reserved ball valve on the soil bin wall, and a grouting pipe penetrating hole matched with the grouting pipe is formed in the counter-force support; the oil cylinder fixing seat is an annular support and is fixedly arranged at the position, close to the grouting head, of the grouting pipe in a sleeving mode, the grouting head of the grouting pipe penetrates through a grouting pipe penetrating hole in the counter-force support and stretches into the inlet end of the reserved ball valve, and the telescopic oil cylinder is horizontally arranged between the oil cylinder fixing seat and the counter-force support and stretches to the maximum stroke. 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language	chi ; eng
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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	Hydraulic telescopic grouting device for reinforcing soil layer before shield opening
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