① The synchronous elevator is a structure composed of gears and racks connected to a gearbox shaft, and is a unit used for synchronizing the upper and lower surfaces of the valve during up/down operations. ② Several gears inside the gearbox mesh with each other, so there is almost no noise floor. ③ Up/down movement, can also move normally when receiving a bias voltage within 50%. ④ Its guide rail is composed of standardized components in a unit form. Elevator is a passive type of elevator that uses a cylinder as a power source to guide and synchronize






































