Column socket plugging device

The utility model discloses a column nest plugging device of a hydraulic support for a coal mine. The column nest plugging device is composed of a bottom plate assembly (1), a supporting crotch assembly (2), a cover body assembly (3) and a fastening belt (4). The bottom plate assembly (1) is fixed i...

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Main Authors JIA FUCHANG, LIU ZHIGANG, XIONG WEI, ZHANG LONGLONG, YAN KESHUAI, ZHENG XUDONG, HUANG XIANGQIAN, AN DENGFENG
Format Patent
LanguageChinese
English
Published 28.03.2023
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses a column nest plugging device of a hydraulic support for a coal mine. The column nest plugging device is composed of a bottom plate assembly (1), a supporting crotch assembly (2), a cover body assembly (3) and a fastening belt (4). The bottom plate assembly (1) is fixed in the mode that bolts abut against the inner wall of the column nest; the support crotch assembly (2) is fixed on the upright post through a crotch body ring (21); the upper edge of the cover body assembly (3) is fixed on the upright post through the fastening belt (4) and the crotch supporting assembly (2); and the lower edge of the cover body assembly (3) is fastened on the bottom plate assembly (1) through a cover body lower edge fixing mechanism (14). Therefore, the soft plugging device for the hydraulic support stand column and the upper edge of the column socket is formed. According to the column nest plugging device, coal briquettes can be effectively prevented from falling into the column nest, the phenomen
Bibliography:Application Number: CN202222274991U