Wind power blade main beam with ladder for maintenance

The utility model relates to a wind power blade main beam with a maintenance step ladder, which comprises a main beam main body, step ladder components are respectively adhered to the positions of the main beam main body close to the front edge and the rear edge at intervals of 80-100cm in the chordwise direction, and the step ladder components are arranged at equal intervals along the axial direction of the main beam main body after being adhered; the step ladder part is arranged to be in a notch shape, the notch direction of the step ladder part faces the blade tip, and one side face of the step ladder part is a roughened bonding face and bonded with the main beam body; the step components are made of glass fiber cloth and hand lay-up resin according to a standard proportion and manufactured on a mold through a hand lay-up process, and the step components and the main beam body are bonded and then subjected to curing treatment at the same time. According to the utility model, ladder climbing maintenance ope