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For traction elevators, the motor installed in the machine room, reduction gearbox, brake, etc. form a traction machine and are the driving force for traction. One end of the traction wire rope is connected to the car through the traction wheel, and the other end is connected to the counterweight device.
traction mechanism
In order to make the car and the counterweight in the hoistway run along the guide rails in the hoistway without rubbing against each other, a guide wheel is placed on the traction machine to separate the two.
The gravity of the car and the counterweight causes the traction wire rope to press against the traction sheave groove to generate friction. In this way, the rotation of the motor drives the traction wheel to rotate, drives the wire rope, and drags the car and the counterweight to move relative to each other. That is, when the car rises, the counterweight falls; when the counterweight rises, the car falls.
As a result, the car reciprocates up and down along the guide rail in the shaft, and the elevator performs vertical transportation tasks.