Elevator door in the sub-door and the difference between the two points is defined as the god of God ah? Have to answer. The
In the sub-door: door split, opening and closing the high efficiency, commonly used in passenger ladder and passenger and freight ladder; in the sub-folding door: composed of four door panels, both sides of the opening and closing sides of the door through the door arm to the two. The elevator door can be divided into two types from the installation location, which are installed at the entrance of the hoistway at the entrance to the entrance. Floor doors and car doors in accordance with the structure can be divided into sub-door, next door, vertical sliding doors, hinge doors and so on. Fractional doors are mainly used in passenger lifts, side open doors in the freight ladder and bed ladder on the more common use, vertical sliding doors are mainly used for debris ladder and large car elevator. Hinge door in the country less used in foreign residential ladder used more.
I went to some of the elevator company to ask those salesman where there is a walk to see do not know! Talk about it is not clear!
In the middle of the door: two doors, separated from the middle, each opened to both sides of the double fold: double folding elevator door has four door panels, the elevator door to open on both sides, every two door board through the two Danchuo door arm to the equivalent...
In the middle of the door: two doors, separated from the middle, each opened to both sides of the double fold: double folding elevator door has four door panels, the elevator door to open on both sides, every two door board through the two Danchuo door arm to the equivalent
