Lifting appliance for installing existing railway sound barrier plate

The utility model discloses a lifting appliance for installing the existing railway sound barrier plate. The lifting appliance is characterized by comprising an upper bracket, a lower bracket, an arm and a fixed pulley, wherein the lower bracket is formed by welding a tension sleeve with the top of a steel pipe; a lower bracket fixator is arranged at the periphery of the lower bracket steel pipe near the tension sleeve; the upper end of the upper bracket is connected with the arm, and the lower end is inserted into the lower bracket steel pipe through an insert pipe, and lifts up objects in different directions through rotation of the tension sleeve; the free end of the arm is connected with the tension sleeve; the fixed pulley is suspended on the tension sleeve and sleeved with a lifting rope.