Novel harvester header height measuring mechanism

The invention, which relates to the technical field of header height measurement, discloses a novel harvester header height measuring mechanism comprising a supporting rod, one end of the supporting rod is provided with a groove, the other end of the supporting rod is provided with a connecting seat, one side of the connecting seat is provided with an angle sensor, and a rotating shaft of the angle sensor is connected with the supporting rod; the rolling wheel is rotationally arranged in the groove; the two connecting plates are rotationally arranged on the side wall of the supporting rod, and the connecting plates and the rolling wheels are fixed; and two auxiliary assemblies. According to the invention, the included angle value between the support rod and the connecting seat can be measured through the angle sensor, the distance data between the connecting seat and the ground at the moment can be calibrated, and the relationship between the included angle between the support rod and the connecting seat and