Multifunctional movable platform special for overhauling and maintaining and maintaining method

The invention relates to a multifunctional movable platform special for overhauling and maintaining and a maintaining method. A traditional overhauling framework or platform is over heavy or cannot be moved, is single in using method, can only be used for height ascending work, and cannot meet the requirement of an operating and maintaining integrated working mode at present any more. The multifunctional movable platform comprises a wheel (6), the wheel (6) is provided with a braking device, the brake wheel (6) is connected with the lower end of a stretchable support (4), the upper end of the stretchable support (4) is connected with a working platform (10), a tool box fixing rod (2) is installed at one corner of the working platform (10), a set of 360-degree rotating movable tool boxes (1) are installed on the tool box fixing rod (2), the working platform (10) is connected with a stretchable ladder (9) through a ladder rail movable rod (12), and the lower end of the stretchable ladder (9) is provided with th