伸缩门的主要结构及工作原理
Main structure and working principle of expansion door
伸缩门主要由门体、驱动器、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，另可根据用户需求配备无线遥控装置。型槽模具 一次性止血带 保定水处理设备 一次性止血带 保定空压机 北京真空泵可配备滚动显示屏，显示500字的显示内容。还可配备智能红外线双探头防碰撞装置，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。
The expansion door is mainly composed of door body, driver 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 user's demand. It can be equipped with a rolling display to display 500 words of display content. It can also be equipped with intelligent infrared dual 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