Building construction steel bar cut-off machine convenient to position

The utility model discloses a building construction steel bar cut-off machine convenient to position, which structurally comprises a base and a fixed bottom plate, a telescopic pulley assembly is arranged, and a telescopic motor is started to drive a limiting block to slide up and down, so that a pulley stretches out and draws back, and when the pulley stretches out, the device is convenient to move; when the pulley retracts, stability is provided for the device; by arranging the shaking receiving assembly and the driving mechanism, when cut steel bars are placed on a receiving frame, a driving motor is started to drive the receiving frame to slide left and right, so that the steel bars are orderly placed in a receiving box through a material opening, and a user can conveniently collect, move and transport the discharged steel bars; and by arranging the dust collection assembly, when the reinforcing steel bars are cut off, a dust collection motor is started, so that the dust collection motor feeds dust into t