Extensible protection device for tunnel secondary lining trolley

The utility model discloses an extensible protective device for a tunnel secondary lining trolley, which comprises a connecting plate used for being connected with the secondary lining trolley, a supporting plate is arranged on the connecting plate, a front baffle and two side baffles are arranged o...

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Bibliographic Details
Main Authors DONG JIE, XIONG ZIXU, LIU JINWEI, LUO CHENGXIN
Format Patent
LanguageChinese
English
Published 11.06.2024
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SHAFTS
TUNNELS
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Summary:The utility model discloses an extensible protective device for a tunnel secondary lining trolley, which comprises a connecting plate used for being connected with the secondary lining trolley, a supporting plate is arranged on the connecting plate, a front baffle and two side baffles are arranged on the supporting plate, a rectangular frame is defined by the front baffle, the side baffles and the connecting plate, and the two side baffles are arranged on the rectangular frame. The front baffle is hinged to the supporting plate, and the front baffle is used for rotating on the supporting plate along a vertical plane; a movable plate and a protective fence are arranged on the front baffle, the movable plate is movably connected with the front baffle, and the movable plate is used for rotating on the front baffle along a vertical plane. According to the protective device, constructors on the secondary lining trolley can be protected to a certain extent, the area of the working table can be expanded, and the wor
Bibliography:Application Number: CN202321879801U