Escalator silencer rubber: silencer rubber is mainly used for sprocket vibration reduction, sprocket rotation, chain roller and sprocket teeth mesh, in order to prevent steel sprocket and steel chain roller direct contact metal impact, sprocket bottom will be designed with silencer rubber, the part has a certain deformation bearing capacity, so that sprocket and chain roller do not have direct contact. With the characteristics of high resilience and excellent silence, it can meet the riding comfort of the escalator, reduce the energy consumption of the elevator, and meet the national demand for green travel.