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Elevator Traction Motor introduction 2011-09-29

Elevator elevator traction machine is powered devices, also known as lift host. Function is to transport and transfer power to the elevator. It consists of motor, brake, coupling, gearbox, traction wheels, chassis and driver-oriented round of disc wheels, and ancillary components. General guide wheel mounted on the rack or rack under the load-bearing beam. Some of the drivers wheel disc fixed to the motor shaft, there are usually hung in the vicinity of the wall, then use sets of the motor shaft.

Classification
1 Geared Traction Machine: drag force device, passing through the intermediate gear wheel to the traction on the traction machine, which usually worm gear box Tractor Round worm drive (also useful for helical gears), this tractor has to communicate with the motor, but also DC, generally used for low lift and high-speed elevator. Traction ratio is usually 35:2. If the traction machine motor power is transmitted through the gear box on the traction wheel, called a gear tractor, generally used for 2.5m / s following a low-speed lift.
2. Gearless traction machine: drag device power, not the middle of the reducer but directly passed to the traction sheave of the traction machine. Most of this tractor before the DC motor as the driving force, and now the country has developed a proprietary AC permanent magnet synchronous gearless traction machine, such as Xuchang Boma Traction Machine. Traction compared with 2:1 and 1:1. Load 320kg ~ 2000kg, ladder-speed 0.3m / s ~ 4.00m / s. If the motor does not power transmission through the gear box directly to the traction sheave is called gearless traction machine, generally used for 2.5m / s over high-speed elevators and high-speed elevators.

Maintenance of the Elevator Traction Motor:The outer surface of the traction machine should be kept clean to prevent dirt, regularly wipe with a clean cotton yarn brake wheel and pulley face; Regular inspections of brake work, if necessary, should adjust and replace, and pay attention to the electromagnetic ring as no more than 90k;Also periodically check the wear due to the storm;Click the Maintenance motor use and maintenance instructions.

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