The present invention constitutes an arcuate frame equipped with a plurality of wheels for moving forward and backward and constitutes a cage moving device for rotating a chain moving device and a frame around an arched frame, The purpose of this paper is to provide a multi-purpose work vehicle for tunnels, lining work after tunnel lining work, installation of lighting facility and ventilation jet fan in tunnel, painting and tiling of interior after tunnel completion, periodic cleaning and maintenance maintenance of tunnel , A plurality of arcuate frames (1) connected to a frame linkage (11) and arranged to receive the wheels (2), a wheel drive motor and a brake device (21) for moving the frame A chain moving device 3 which is attached to the outer periphery of the arcuate frame 1 so as to be meshed with a moving gear 41 in the cage moving device 4, A cage moving device 4 mounted on the cage moving device 4 and equipped with a hydraulic motor and a moving gear 41 for transmitting power from the hydraulic motor to the moving gear 41, And a cage arm 5 that is free to move.
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