Track tensioner

The utility model discloses a track tensioner which comprises a groove type base, a hydraulic control cylinder, a hydraulic tension cylinder and an oil pipe, wherein the hydraulic tension cylinder is mounted at the top of the groove type base; the hydraulic control cylinder is mounted in a groove of the groove type base; the oil pipe penetrates through the upper side wall of the groove type base, and two ends are connected with the hydraulic control cylinder and the hydraulic tension cylinder respectively; a tension pulley mounting base is arranged at the top of the hydraulic tension cylinder; and a track tension pulley is mounted on the left side of the tension pulley mounting base. The track tensioner is simple in overall structure, can be applied to various engineering machinery, improves the adaptation, and is quite simple and convenient to mount and maintain; hydraulic control is adopted, so that equipment has sufficient tension force, and the tensioner is more convenient to use; and the manufacturing co