Plugging device for end part of tunnel trolley

The utility model relates to the technical field of tunnel construction, and discloses a tunnel trolley end plugging device which comprises a plugging seat, a first limiting seat, a second limiting seat and a penetrating rod, the plugging seat is hinged to a tunnel formwork, the first limiting seat...

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Bibliographic Details
Main Author LIN TIANLONG
Format Patent
LanguageChinese
English
Published 24.05.2024
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
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Summary:The utility model relates to the technical field of tunnel construction, and discloses a tunnel trolley end plugging device which comprises a plugging seat, a first limiting seat, a second limiting seat and a penetrating rod, the plugging seat is hinged to a tunnel formwork, the first limiting seat is connected to the plugging seat, the second limiting seat is connected to the tunnel formwork, and the penetrating rod is connected to the plugging seat. The first limiting base and the second limiting base are each provided with a sliding channel allowing the penetrating rod to penetrate in a sliding mode, the size of the sliding channels is larger than that of the penetrating rod, and the first limiting base is in threaded connection with a stud extending into the sliding channels. An abutting piece sliding in the sliding channel is arranged between the stud and the penetrating rod, the two opposite ends of the abutting piece extend out of the two opposite sides of the first limiting base respectively, and the
Bibliography:Application Number: CN202323124220U