Traction Machine Elevator Parts Manufacturer

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Traction Machine Elevator Parts Manufacturer

Elevator traction machine is the elevator’s power equipment, also known as the elevator host. The function is to transport and transmit power to run the elevator. It consists of a motor, a brake, a coupling, a gear box, a traction sheave, a frame and a guide wheel, and an accessory wheel. Guide wheels are generally mounted on a load beam under a frame or frame. Some of the disc wheels are fixed on the motor shaft, and are usually hung on the nearby wall. When used, they are placed on the motor shaft.

One. Classified by deceleration

1.With gear traction machines: The power of the drive device is transmitted to the traction machine on the traction wheel through the intermediate speed reducer.

Wheel worm drive (also used for helical gear drive). The motor used in this type of traction machine is AC and DC. It is generally used in low speed elevators. The drag ratio is usually 35:2. If the motor power of the traction machine is transmitted to the traction sheave through the reduction gear box, it is called a gear traction machine and is generally used for low and medium speed elevators below 2.5 m/s.

2.Gearless traction machines: The power of the dragging device is transmitted directly to the traction machines on the traction sheave without the intermediate speed reducer. In the past, most of the traction machines were powered by DC motors. The domestically developed permanent magnet synchronous gearless traction machines with independent intellectual property rights have been developed in China. Traps are usually 2:1 and 1:1. The load is 320kg to 2000kg, and the speed is 0.3m/s to 4.00m/s. If the power of the motor is directly transmitted to the traction sheave without passing through the reduction gear box, it is called a gearless traction machine, and is generally used for high-speed elevators and ultra-high speed elevators of 2.5 m/s or more.

3.Flexible transmission mechanism traction machines

Two. Classified by drive motor 

1.DC traction machines can be divided into DC gear traction machines and DC gearless traction machines.

2.AC traction machines can be further divided into AC geared traction machines, AC gearless traction machines and permanent magnet traction machines. Among them, AC traction machines can be further subdivided into: worm deputy traction machines, cylindrical gear deputy traction machines, planetary gear traction machines, and other gear decoupling machines.

Three. Classification by purpose

1.Two-speed passenger and freight elevator traction machines

2.VVVF passenger ladder traction machines

3.Grocery Traction Machines

4.Machine-room traction machines

5.Vehicle elevator traction machines

Four. According to the speed classification

1.Low speed traction machines (ν <1 m/s)

2.Medium-speed traction machines (fast traction machine) (ν = 1m/s – 2m.s)

3.High-speed traction machines (ν=2m/s to 5m/s)

4.Super-speed traction machines (ν> 5 m/s)

Five. Classified by structure

1.Horizontal traction machines

2.Vertical traction machines

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