Double-column construction hoist and hoist control method

The invention discloses a double-column construction elevator and an elevator control method, and belongs to the field of elevators, the double-column construction elevator comprises two frame bodies and a suspension cage arranged between the two frame bodies, the frame bodies are provided with vertically arranged racks, and a driving assembly is arranged between each frame body and the suspension cage; the driving assembly comprises a first sliding frame and a second sliding frame, the first sliding frame and the second sliding frame are arranged on the frame body in a sliding mode in the vertical direction, the cage is connected with the second sliding frame, the first sliding frame is provided with a power gear and a motor used for driving the power gear, and the power gear is meshed with the rack; an elastic component is connected between the first sliding frame and the second sliding frame. The frame body does not need to bear larger bending moment, so that the loading weight of the construction hoist is