The invention discloses a pair of novel progressive safety tongs, which comprises a tongs body, wherein the inside of the tongs body is provided with a movable wedge; and a movable wedge pushing mechanism is arranged inside the tongs body under the movable wedge. The pushing mechanism comprises a fixed seat, two lever arms, a spring and an electromagnet, wherein the fixed seat can move up and down in the tongs body; the two lever arms are hinged on both sides of the fixed seat through a pin shaft respectively; a brake shoe is arranged on the inner surface of the front end of each lever arm, and a cushion block is arranged on the upper surface of the front end of the each lever arm; the spring is arranged between lever bodies of the two lever arms; the electromagnet is arranged on the rear end part of the two lever arms; and the switching of a circuit of the electromagnet is controlled by an elevator speed monitoring device. The invention adopts the pushing mechanism to drive the movable wedge of the progressive safety tongs to complete the elevator braking function by the structure, does not need to arrange a safety pulling device, simplifies the structure of a speed limiter, has the advantages of compact structure and convenient assembly, and is suitable to be arranged on various elevators.