Temporary support in pit

The utility model discloses a temporary support in pit, prop up the guard bar including a column, the both ends of this column guard bar set up a square backplate, arrange the upper and lower hollow hole of having a perfect understanding in the middle of this column guard bar, and the guard bar is p...

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Hauptverfasser:	LIU FANGQIU, XIAO XUFENG, LI HUIHUI, HUANG ZHI, PENG JUN, ZOU SHANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
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creator	LIU FANGQIU XIAO XUFENG LI HUIHUI HUANG ZHI PENG JUN ZOU SHANG
description	The utility model discloses a temporary support in pit, prop up the guard bar including a column, the both ends of this column guard bar set up a square backplate, arrange the upper and lower hollow hole of having a perfect understanding in the middle of this column guard bar, and the guard bar is propped up to this column and a square backplate is all made for the organic polymer plastics. This temporary support in pit has good mechanics characteristic to have light in weight, use cost is low, and easy dismounting is longe -lived, but advantages such as reuse, and the especially obvious can replace wood to strut, thereby greatly reduces ligneous consumption, significant to ecological balance's stability and environmental protection.
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subjects	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
title	Temporary support in pit
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