Adjustable lifting aluminum alloy ladder

The invention relates to the technical field of escalators, and discloses an adjustable lifting aluminum alloy ladder which comprises two vertical rods, and a pedal is arranged between the two vertical rods; sliding plates are arranged on the outer sides of the two ends of the pedal, and the two ends of the two sliding plates are rotationally connected with a lower steering wheel and an upper steering wheel correspondingly. A driving wheel is arranged on the inner side of the bottom rod, a top steering wheel is rotationally connected to the inner side of the top rod, and electromagnetic braking structures are arranged in the driving wheel, the lower steering wheel and the upper steering wheel; according to the scheme, the closed-loop steel wire ropes are arranged on the inner sides of the vertical rods, the steel wire ropes are matched with the driving wheels and the steering wheels, distribution is achieved, control over the position relation between the wheel discs and the steel wire ropes is achieved throu