六场半全场胜负彩开奖 www.bfbdrg.com.cn Usually using wire rope friction drive, wire rope around the traction wheel, both ends are connected to the car and balance weight, the motor driven traction wheel to lift the car. Elevator requirements of safe and reliable, high transmission efficiency, leveling and ride comfort and so accurate. The basic parameters of the elevator are the rated load, take the number of people, the rated speed, car dimensions and shaft type and so on.

Elevator in the E is an emergency stop, F is the fire.

Modern elevator mainly by the traction machine (winches), rails, counterweight devices, safety devices (such as speed limiter, safety gear and buffer, etc.), signal control system, car and hall doors and other components. These parts are installed in the building of the shaft and the engine room.

Usually using wire rope friction drive, wire rope around the traction wheel, both ends are connected to the car and balance weight, the motor driven traction wheel to lift the car. Elevator requirements of safe and reliable, high transmission efficiency, leveling and ride comfort and so accurate. The basic parameters of the elevator are the rated load, take the number of people, rated speed, car dimensions and shaft type and so on.