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第二套辅助的电动机-油泵液压驱动系统使得移动式工程机械有可能实现柴油驱动和电力驱动两种驱动方式间的转换,从而令行驶液压系统和挖掘、升举液压系统可根据不同需求在两种驱动方式之间转换。在柴油驱动的隧道挖掘机中,为了实现电力驱动,在隧道挖掘机的后部安装了电动机。为使其能够像柴油驱动系统一样强劲有力,该电力驱动系统与液压系统组合在一起构成了一个复合动力系统。
The second set of auxiliary motor - pump hydraulic drive system enables mobile construction machinery diesel drive and electric drive possible to achieve the conversion between the two driving modes, so that driving hydraulic system and excavation, lifting hydraulic system according to different needs in two The kind of drive between the conversion. In a diesel-powered tunnel excavator, an electric motor is mounted on the rear of the tunnel excavator for electric drive. To make it as powerful as a diesel-driven system, the electric drive system and hydraulic system combine to form a hybrid powertrain.