On the background of ropeway driving

The traditional passenger ropeway driving system generally adopts the motor and reducer. As a power transmission mechanism, the reducer can reduce the rotation speed of the output shaft. At the same time, the torque of the motor is properly amplified to the output shaft of the reducer, and then the power is transferred to the carrier ropeway by the drive wheel that mesh with the output shaft. So that the operating speed of the ropeway meets the design requirements. There are many forms of ropeway installation. At present, according to the driving direction of the cable disc, the output division of motor+reducer: horizontal power output and vertical power output.

Problems of traditional ropeway drivers

Although the characteristics of DC motors are relatively hard, the carbon brush is large, the failure rate is high, and the power consumption is high in the later period, causing energy waste. During the use of traditional ropeway driving methods, there are disadvantages such as oil leakage, vibration, overheating, and high noise during use, which will reduce the continuous operation capacity and reliability of the equipment. Due to the loss of mechanical efficiency of the reducer, the system’s utilization rate of electricity is reduced. In the maintenance of the ropeway, the maintenance of the reducer has always been an important part. The decelerator lubricating oil leaks or pollution, and the damage of parts such as bearings and gears may cause the reducer to work improperly and cause hidden safety hazards. The reducer that work under high temperature environment should set up a circular cooling system, and the reducer working in low -temperature areas should also have anti -freezing measures.

The traditional ropeway driver system adopts the structural form of the “three -phase asynchronous motor +reducer +frequency frequency or soft starting device”. There are three main problems in this structure:

(1) Long drive chain, low transmission efficiency;

(2) Low motor efficiency and high energy consumption;

The ropeway is a typical lifting of the lifting load. The working speed is adjusted with the production load and process, and the speed range of the running speed is narrow; and the efficient range of the asynchronous motor is small. Once the rated power and speed are deviated, the efficiency decreases sharply. At the same time, asynchronous motors are again There is a large excitation current. When the load changes, the power factor is low, resulting in lower efficiency.

(3) The gear box is prone to oil leakage failure;

The motor is horizontal and high -speed output. After the gear box changes and the deceleration is output vertically downward, its high -speed change is used to use umbrella gears, which has low efficiency, resulting in a large amount of heating; The bearing speed is high, and it is easy to fail. If the reducer leaks oil, etc., it is very troublesome to maintain and repair, the cost of maintenance and disassembly is high, and it will affect continuous production.

The reducer is running on noise.

Permanent magnet motor feasibility

The permanent magnet motor has developed in recent years with the progress of material technology, microelectronics technology, and computer control technology. It uses the current most efficient and reliable technology. Power density, ultra -high reliability field. With the reduction of costs, it has these characteristics and values in industry, automobiles, and consumer goods.

The technical characteristics of permanent magnet direct drive machine

(1) Simplify the transmission chain and improve the efficiency of the transmission. The permanent magnet motor directly drives the host through the coupling. The system integration has increased significantly to effectively reduce the fault points, improve system reliability, save user space and other infrastructure, reduce user maintenance and maintenance cost.

(2) Energy -saving

(3) High reliability, high overload capacity

There are no high -speed operating components in the entire power transmission system, related bearings, sealing and other life expectancy have increased significantly; low vibration, low noise;

Noise can be reduced from 100dB to less than 55dB.

The low vibration of noise will reduce the damage of the transmission impeller bearing and extend the service life of the impeller bearing.