Cooling and filtering oil tank for heading machine

The utility model provides a cooling and filtering oil tank for a heading machine. The cooling and filtering oil tank for the heading machine comprises a box body. A tank cover is installed on the top of the box body. An oil inlet is formed in the tank cover. The cooling and filtering oil tank for the heading machine further comprises a cooler and a filter. The cooler is a coiler which is bent repeatedly. Two pipe openings of the coiler are located on the top and are flush with each other. The cooler is fixed to the tank cover. Elbows are installed on the two pipe openings of the cooler. The filter comprises a filter net cylinder and a filter steel cylinder. The filter steel cylinder is arranged outside the filter net cylinder in a sleeving mode. The wall of the filter steel cylinder is provided with a plurality of through holes and fixedly covered with a filter net. The filter net cylinder and the filter steel cylinder are fixed to the lower surface of the tank cover and right face the oil inlet. An oil injecting pipe is fixed to the upper surface of the tank cove and right faces the oil inlet. The pipe opening of the top of the oil injecting pipe is sleeved with a pipe cap. The cooling and filtering oil tank for the heading machine is simple in structure, low in cost, convenient to use and high in durability and prolongs the service life of parts of a hydraulic system.