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Automatic retractable door why use parallelogram structure

Automatic retractable door why use parallelogram structure

Answer:

Automatic doors can be sorted according to different characteristics. According to the structural characteristics of the door, automatic doors are divided into nine categories, namely automatic revolving door, circular automatic door, smooth automatic doors, flat open automatic doors, folding automatic doors, telescopic automatic doors, shutter automatic doors, Lifting automatic doors and automatic gears. According to the use of classification, automatic doors are divided into five categories, namely, civil automatic doors, commercial automatic doors, industrial automatic doors, automatic doors and garage with automatic doors. Integrated door structure and use, automatic doors mainly classified several categories: 1. Automatic revolving door, including wings, three wings and four wings 2. Curved automatic door 3. Commercial smooth automatic doors 4. Folding automatic doors 5. Garden automatic doors 6. Garage automatic doors 7. Automatic block car
The retractable door is the use of parallel quadratic instability. The two sides are always parallel and equal. In the stretch and compression of the time, will not become other shapes, which is other graphics do not have. Retractable door (Retractable door), is the door can be telescopic free movement, to control the size of the door, to control pedestrians or vehicles to intercept and release a door. Retractable door mainly by the door, drive motor, slide, control system. The door is made of high quality stainless steel and aluminum alloy special profile, using parallelogram principle hinge, flexible flexible stretching. The drive is driven by a special motor, the worm gear is slowed down, and is equipped with automatic clutch or manual clutch, automatic clutch power failure can automatically open and close, manual clutch power failure can be manually open and close, the control system has control panel, button switch, Equipped with wireless remote control device. Can be equipped with a rolling display, display 300-500 words display. Can also be equipped with intelligent infrared probe anti-collision device, case or foreign body 20-30CM can automatically return to run, so as to protect the safety of vehicles and pedestrians.

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