Hydraulic tamping device

The utility model provides a hydraulic tamping device, relates to the technical field of tamping equipment, and aims to solve the technical problem that a clamping hydraulic cylinder in the existing tamping equipment is easy to damage. The hydraulic tamping device comprises a box body, a vibration excitation mechanism, a hydraulic cylinder and a pickaxe arm and further comprises a vibration transmission rod, the first end of the vibration transmission rod is connected with the vibration excitation mechanism, and the vibration transmission rod is supported on the box body through an elastic piece; the cylinder body end of the hydraulic cylinder is hinged to the box body; the middle of the pickaxe arm is hinged to the second end of the vibration transmission rod, and the piston end of the hydraulic cylinder is hinged to the top end of the pickaxe arm. According to the hydraulic tamping device, the service life of the clamping hydraulic cylinder on the hydraulic tamping device can be prolonged. 本实用新型提供一种液压捣固装置，涉