Generally speaking, there are five power supply modes for electric rail transfer carts: battery power supply, low-voltage rail power supply, cable drum power supply, towing cable power supply and bus bar power supply.
The advantages of battery-powered electric rail transfer carts are: low requirements for track laying and unrestricted running distance. Suitable for long-distance transportation, low noise, and reduced environmental pollution.
Compared with battery-powered rail transfer carts, low-voltage rail-powered rail transfer carts are suitable for occasions where transfer carts are used frequently or for medium and long-distance transportation. However, its disadvantage is that this type of rail transfer cart has high requirements for track laying, and the track on which the transfer cart runs needs to be insulated.
Cable drum-powered rail transfer carts are also suitable for occasions where transfer carts are used frequently or for long-distance transportation. The laying of tracks is not too strict. However, its disadvantage is that due to the influence of the volume of the cable drum, the counter tops of some models are higher; in the cable dragging range, the passage of people or other vehicles will be affected.
Compared with the cable drum powered rail transfer cart, the cable powered rail transfer cart can be lower and the price is relatively low. Its disadvantage is that the running distance is restricted by its own conditions, and the general running distance of the car is about 20 meters.
The advantages of the bus bar powered electric rail car almost include the advantages of the above various models. But its disadvantage lies in the bus bar. The installation of the bus bar must consider more safety factors. At the same time, this type of vehicle is not allowed to be used in an explosion-proof environment.
The above makes a rough comparison of the advantages and disadvantages of the five power supply methods of electric rail transfer carts. In specific use, due to the differences in each enterprise and each specific environment, the shortcomings of some models can be overcome