Bridge support seat extracting device

The invention discloses a bridge support seat extracting device, which comprises a position limiting frame (1) and a work handle (2). The bridge support seat extracting device also comprises position limiting rods (3), a support frame (11) and pulleys (4), wherein the position limiting rods (3) are used for limiting a bridge support seat; and the work handle (2) also comprises a thread tapping connector. When the bridge support seat extracting device is in an adjustable semi-sealed mode, the position limiting frame (1) comprises a cross beam (12), a lead screw (13) and a pair of clamp rods (14). The bridge support seat extracting device has the advantages that the structure is simple; economical performance and practicability are realized; the construction difficulty of construction personnel is effectively reduced; and the work efficiency is improved.