Construction site material elevator

The utility model discloses a material elevator for a construction site. Including a machine frame, a pressure sensor is fixedly connected to the bottom of the inner wall of the rack; first buffer springs are fixedly connected to the two sides of the bottom of the inner wall of the rack. The top of the first buffer spring is fixedly connected with a first baffle plate; the top of the first baffleis fixedly connected with a first magnetic plate, sliding grooves are formed in the two sides of the inner wall of the rack, sliding blocks are connected to the inner walls of the two sliding groovesin a sliding mode, sliding rods are fixedly connected to one sides of the two sliding blocks, and a charging box is fixedly connected between the surfaces of the two sliding rods. According to the construction site material elevator, due to the fact that the emergency braking device and the overweight reminding device are fixedly connected to the material box, the safety of materials in the transportation process is improv