Oil duct structure for actively lubricating bearing at rear end of speed reducer in oil cooling electric drive

The utility model discloses an oil duct structure for actively lubricating a bearing at the rear end of a speed reducer in oil cooling electric drive, which comprises an electronic oil pump, a cooler, an input flow channel and an output flow channel, the output flow channel comprises an output section I which is communicated with the cooler and a drainage hole of the input shaft cooling flow channel in the area of the input shaft rear bearing position on the rear shell; the second output section obliquely extends downwards from the drainage hole to the area where the rear bearing position of the intermediate shaft is located, and the third output section obliquely extends upwards from the second output section to the area where the rear bearing position of the main reduction gear shaft of the differential mechanism is located. And each output section is respectively provided with a shunting hole I, a shunting hole II and a shunting hole III which are communicated with the input shaft rear bearing position, th