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The utility model discloses a hydraulic pile extractor relates to pile extractor technical field, including pile extractor and hydraulic cylinder, the pile extractor includes C type frame, the inside of the upper and lower side wall of C type frame is symmetric and is provided with fixed clamping plate, the fixed clamping plate one end between through the pivot swing installation has the left and right symmetry swing arm, through the effective regulation of the height of pile extractor of mechanical arm, the rotating disc of mechanical arm bottom can also effectively satisfy the pipe pile of different positions and carry out the pile extraction operation, through the upward stretching of mechanical arm, thereby guaranteeing the effect that pipe pile whole is pulled out to the pile extractor one time and holds, through the push rod of hydraulic cylinder between two fixed clamping plates and drives swing arm to rotate along the pivot between fixed clamping plate and swing arm, thereby effectively adjusting the interval between two clamping blocks, thereby effectively satisfying the pile extraction operation of pipe pile of different sizes.