Flood prevention inspection well grating

Flood prevention inspection well grating

The utility model discloses a flood prevention inspection well grating which comprises a round inspection well cover, an annular side wall arranged on the circumference of the outer side of the round inspection well cover and an annular pressing plate arranged at the top end of the annular side wall...

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Hauptverfasser: SUN GUONING, ZHOU JUNXIAO, WANG SHUANGQI, MAO SHENGRONG, LIN JINGSONG, GUO ZHUOKE
Format: Patent
Sprache:chi ; eng
Schlagworte:
CESSPOOLS
FIXED CONSTRUCTIONS
SEWERAGE
SEWERS
WATER SUPPLY
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creator SUN GUONING
ZHOU JUNXIAO
WANG SHUANGQI
MAO SHENGRONG
LIN JINGSONG
GUO ZHUOKE
description The utility model discloses a flood prevention inspection well grating which comprises a round inspection well cover, an annular side wall arranged on the circumference of the outer side of the round inspection well cover and an annular pressing plate arranged at the top end of the annular side wall, a vertically-arranged supporting rod is arranged above the annular pressing plate, and the supporting rod is of a hollow sleeve structure with an opening in the top end. A first telescopic rod is arranged in the supporting rod in a sleeved mode, a set of opening grooves are formed in the outer side wall of the first telescopic rod, a fixing rod is arranged in the first telescopic rod, a compression spring is arranged on the side wall of the fixing rod, the other end of the compression spring is connected with a limiting block, and a positioning groove is formed in the outer side wall of the supporting rod. The top end of the first telescopic rod is connected with a protective ring. When a flood season or a place
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language chi ; eng
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subjects CESSPOOLS
FIXED CONSTRUCTIONS
SEWERAGE
SEWERS
WATER SUPPLY
title Flood prevention inspection well grating
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