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Introduction
Mining electric locomotive generally refers to the traction equipment for rail transportation, and is the "locomotive" of rail vehicles. It is powered by high-voltage cable or battery, and driven by motor to drive wheels to rotate. Therefore, its traction force is not only limited by the power of traction motor, but also affected by the friction coefficient between wheel and rail surface. In addition, the gradient of the transport track also has a significant impact on its transport capacity. Generally, the gradient is required to be 3 鈥? and the local gradient cannot exceed 30 鈥?
There are many kinds of classification standards for mining electric locomotives, mainly including four.
1. According to the different working environment, it can be divided into open-pit mining electric locomotive and underground electric locomotive.
2. According to different gauge, there are standard gauge electric locomotive and narrow gauge electric locomotive.
3. According to the nature of power supply, electric locomotive is divided into DC electric locomotive and AC electric locomotive, of which DC electric locomotive is more widely used.
