Installation method of double-wheel slot milling machine

The invention discloses an installation method of a double-wheel slot milling machine, which comprises the following steps: rotatably installing an upper chassis on a lower chassis, installing a lower mast at one end of the upper chassis, and adjusting the angle; a counterweight is mounted at the other end of the upper chassis; the pump station is placed at the upper end of the counter weight and fixedly connected with the counter weight; the double winches are hoisted to the position above the upper chassis and fixed; a main crown block, a slag pipe winch and a top auxiliary crown block are installed at the end, away from the lower mast, of the upper mast; aligning the lower mast and the upper mast and inserting the connecting pin shaft; hoisting the rubber tube guide wheel to a position below the upper mast, aligning to a pin shaft hole position of the upper mast, and fixing the rubber tube guide wheel and the upper mast; a rubber pipe winch is installed at the upper end of the pump station; pulling the rub