Why is the construction elevator open on one side and the other on the other
Double door is feeding door, double door to the outside of the other's role is to prevent someone broke into the cage after elevator start circle accident, because outside over the door of the cage has a travel switch, when someone will ring into the cage opened the cage door, travel switch action at this moment, the elevator power cuts, you won't get elevator lay down this kind of thing. The door is open only when the lift is off the ground, as is said upstairs.
The two-door design is designed for the safety of the operator. In the discharge mouth, if you set up a single door, a large portion of your body will be exposed outside, causing falling damage.
Open the door, commonly known as the feed door, usually open up, and add weights to both sides. Only if the construction ladder stops at the bottom. If the door is double open, the room must be left with half a door (> 1.3 m) to open the door completely. If it is a single open door that opens up, you can save space in the cage. Double door, namely, two doors, either up or down, the two doors balance weight. It usually arrives on the required floor. There is enough room for double doors.
