No machine room elevator working principle
And the general elevator a principle, that is, the host control cabinet in the shaft
Non-machine room elevator with permanent magnet synchronous traction machine, small size, high efficiency, light weight, easy control, low cost of machine room elevator is often used for the transformation of old buildings, through the elevator shaft, the production of steel stent, traction machine installation In the top side of the side due to the permanent magnet synchronous traction machine speed is higher, commonly used pulley group speed and increase the torque, and some brands of elevators in the car on both sides of the bottom with a turn rope [or called other name pulley] , Wire rope - counterweight - hoisting machine --- car bottom left - right - top turn rope round - car top, loaded wire rope - enough long winded enough trouble, a wheel is ramp loading of
