Forced lubrication system for traction part of coal mining machine

The utility model relates to a forced lubrication system for a traction part of a coal mining machine, and relates to the field of coal mining machines, the forced lubrication system comprises a traction part body, and the traction part body is provided with a motor output part and a planetary mechanism part; the traction body is provided with a traction shell, the traction shell is provided with a first oil duct, a second oil duct, a third oil duct and a fourth oil duct, one end of the first oil duct and one end of the second oil duct are communicated with the planetary mechanism part, and one end of the third oil duct and one end of the fourth oil duct are communicated with the motor output part; a lubricating pump is arranged on the traction part body, an oil outlet pipe and an oil suction pipe are arranged on the lubricating pump, a first connecting piece used for alternately connecting the first oil duct and the third oil duct is arranged at the end, away from the lubricating pump, of the oil outlet pipe