This wheelchair lift is composed of rotating device, hydraulic raising mechanism, and platform. Rotating device is used to control the rotation of the wheelchair lift. It rotates the wheelchair lift vertical to the door so as to let the passenger in and out and also maintain parallel to the door when the wheelchair is stowed and rotated to the door.

Hydraulic raising device adopt hydro cylinder and USA hydraulic station to achieve the liberation of the arm of the wheelchair lift in vertical, so as to make the lifting device to come to the lifting height of the platform.