Accurate adjustment method for replacement device of vertical continuous casting withdrawal and straightening machine

The invention discloses a method for accurately adjusting a replacement device of a vertical continuous casting withdrawal and straightening machine. The method comprises the following steps: adjusting a two-way slideway; adjusting a one-way slideway; adjusting the locking slideway; a trolley fixing stand column is adjusted and replaced; a transverse moving trolley rack is adjusted; adjusting and replacing a cylindrical pin and a pin sleeve of the trolley; and the replacement device of the vertical continuous casting withdrawal and straightening machine operates. According to the method, a laser scanner is used for carrying out associated adjustment on a plurality of equipment parts, center adjustment and elevation adjustment are completed at the same time, the installation precision and the installation efficiency of the withdrawal and straightening machine replacement device are improved, and accurate and efficient replacement of the vertical continuous casting withdrawal and straightening machine is achiev