电动伸缩门主要有伸缩门体、机头、控制器三部分组成。
The electric expansion door mainly consists of three parts: telescopic door body, nose and controller.
1、伸缩门体：伸缩门体是由门体大框、交叉撑、轴（定轴、滑轴）及门体轮等主要部件组成。门体整体为金属结构，按材质又分为不锈钢门体、铝合金门体、压铸铝门体。
1, telescopic door body: telescopic door body is composed of main frame, cross bracing, shaft (fixed axis, sliding shaft) and door body wheel. The door body is a metal structure, and is divided into stainless steel door body, aluminum alloy door body and die-casting aluminum door material according to the material.
2、机头：由驱动器和电气部分组成，它固定在门体的一端，带动门体伸缩运动，与门体配套使用。
2, the nose is composed of a driver and an electrical part. It is fixed at one end of the door body to drive the door body to expand and move and match with the door body.
驱动器分普通型和机器人型。
The drive is divided into common type and robot type.
3、控制器：由控制盒、台式控制器及手柄遥控器组成。
3, controller: composed of control box, desktop controller and handle remote controller.
1）、控制盒：固定在机头内，由它接收控制器发出的指令控制门体的运行。
1), control box: fixed in the head, it receives the instructions issued by the controller to control the operation of the door body.
2）、台式控制器：主要由值班人员在值班室内使用。
2) desktop controller is mainly used by duty personnel in duty rooms.
3）、手柄遥控器：主要配备车辆使用，可在机头周围10-30米内（根据现场的无线电通讯环境而定）活动控制大门的开、关。
3), handle remote control: mainly equipped with vehicles, which can control the opening and closing of the door within 10-30 meters around the head of the machine (according to the radio communication environment on the spot).