Multifunctional stretchable inverted-arch trestle
A telescopic and multi-functional technology, applied in the direction of shaft lining, tunnel lining, underground chamber, etc., can solve the problems of low construction efficiency, repetitive procedures, cumbersome operation, etc., to improve construction efficiency, ensure construction quality, and reduce labor intensity Effect
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[0014] The present invention will be further described below in conjunction with accompanying drawing:
[0015] Such as Figure 1-Figure 4 As shown, the multifunctional telescopic inverted arch trestle of the present invention comprises trestle main girder 5, front climbing ladder 16, rear climbing ladder 1, walking trolley 8, telescopic trestle 17, inverted arch formwork 26 and center ditch formwork 22, and walking trolley 8 installs It is placed under the trestle main girder 5 and can walk forward and backward. The front end of the trestle main girder 5 is placed on the main beam 29, and the main beam 29 is installed on the walkable main crawler chassis through the vertical main lifting hydraulic cylinder 30 and the main movable column 31. 28, the telescopic trestle 17 is positioned at the front portion below the trestle main girder 5 and can move forward and backward. The front portion of the telescopic trestle 17 is placed on the telescopic trestle crossbeam 18, and the re...
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