Lifting platform operation vehicle suitable for tunnel engineering and operation method thereof

The invention relates to the technical field of tunnel construction, in particular to a lifting platform operation vehicle suitable for tunnel engineering and an operation method thereof.The lifting platform operation vehicle comprises a vehicle frame, rolling wheels are rotationally installed on the front side and the rear side of the vehicle frame, supporting devices are fixedly installed at the two ends of the vehicle frame, and an extending mechanism is fixedly installed at the top end of the vehicle frame; the extending mechanism comprises guide parts, a positioning part, a first butt-joint sleeve and a second butt-joint sleeve, the guide parts are slidably mounted on the front side and the rear side of the positioning part, the first butt-joint sleeve and the second butt-joint sleeve are slidably mounted at the opposite ends of the guide parts correspondingly, and each guide part comprises a treading device and a reversing device; the reversing devices are slidably mounted at the top end of the treading