Hydraulic jack on pile stabilizing platform

The utility model discloses a hydraulic jack of a pile stabilizing platform. The hydraulic jack comprises a jack cylinder body and a jack piston rod. The jack piston rod comprises a piston rod sleeve, a piston rod body, two idler wheel support plates, two idler wheels and two limiting rods. Two fixing rods are connected in the piston rod sleeve; a rotating shaft is bridged between the middle parts of the two fixing rods; the front end of the piston rod body is hinged with the middle part of the rotating shaft; the two roller support plates are rotatably mounted at the two ends of the rotating shaft; the outer surfaces of the two rollers are concave cambered surfaces and are respectively bridged between the front ends of the two roller bracket plates up and down through a roller shaft; and the two limiting rods are bridged between the two roller bracket plates and are respectively positioned behind the two rollers, so that the rotating angle of the two roller bracket plates around the rotating shaft is limited