Rapid maintenance device for expansion joint of expressway pavement

The utility model discloses an expressway pavement expansion joint rapid maintenance device which comprises a supporting cross beam, and two connecting sleeves are symmetrically fixed to the two sides of the bottom end of the supporting cross beam. The utility model has the beneficial effects that through the matching design of the hand-operated jack, the partial pressure seat, the supporting cross beam, the U-shaped bolt, the limiting pressing plate and the locking nut, the supporting strength of the beam body of the expansion joint of the expressway pavement can be increased in a supporting manner when the equipment is used; the supporting strength of the expansion joint beam body of the expressway pavement is greatly improved, and the situation that the expansion joint beam body of the expressway pavement is bent and damaged due to the fact that the expansion joint beam body bears large loads in the maintenance process is avoided; when the equipment is used for supporting the high-speed pavement expansion