伸缩门(Retractable door)，就是门体可以伸缩自由移动，来控制门洞大小、来控制行人或车辆的拦截和放行的一种门。伸缩门主要由门体、驱动电机，滑道、控制系统构成。门体采用优质不锈钢及铝合金专用型材制作，采用平行四边形原理铰接，伸缩灵活行程大。驱动器采用特种电机驱动，蜗杆蜗轮减速，并设有自动离合或手动离合器，自动离合停电时可自动启闭，手动离合停电时可手动启闭，控制系统有控制板，按钮开关，另可根据需求配备无线遥控装置。
Retractable door is a kind of door whose body can move freely to control the size of the door opening and the interception and release of pedestrians or vehicles. The expansion door is mainly composed of door body, driving motor, slide way and control system. The door body is made of high-quality stainless steel and aluminum alloy special profiles. It is hinged on the principle of parallelogram, with large flexible expansion stroke. The driver is driven by special motor, the worm and worm wheel decelerates, and is equipped with automatic clutch or manual clutch, which can be opened and closed automatically in case of power failure of automatic clutch, and can be opened and closed manually in case of power failure of manual clutch. The control system is equipped with control board, button switch, and wireless remote control device according to the demand.
可配备滚动显示屏，显示300-5保定平面设计培训 保定室内设计培训 保定空调移机 保定太阳能维修 保定厨房排烟 雄安管道通风 00字的显示内容。还可配备智能红外线探头防碰撞装置，遇人或异物20-30CM可自动返回运行，从而保障车辆及行人的安全。
It can be equipped with a rolling display to display 300-500 words. It can also be equipped with intelligent infrared probe anti-collision device, which can automatically return to operation when encountering people or foreign matters 20-30cm, so as to ensure the safety of vehicles and pedestrians