Hydraulic tensioning device for finish turning of thrust wheel

The utility model is suitable for the technical field of machinery, and provides a thrust wheel finish turning hydraulic tensioning device which comprises a track frame and further comprises a driving wheel rotationally connected to the track frame, a sliding groove is formed in the track frame, a sliding block is connected into the sliding groove in a sliding mode, a rotating shaft is rotationally connected to the sliding block, and the driving wheel and the sliding block are arranged on the track frame. A guide wheel is fixedly installed on the rotating shaft, the guide wheel is sleeved with a crawler belt, an installation groove is formed in the crawler belt frame, and a tensioning block is arranged in the installation groove in a sliding mode. The hydraulic cylinder extends to drive the tensioning block to move leftwards, the tensioning block pushes the sliding block to move leftwards, the sliding block drives the rotating shaft to move leftwards, the rotating shaft drives the guide wheel to move leftward