The invention provides a lead alloy shearing-type damper used for support column-type electric equipment. The damper comprises a central shaft, a barrel body and a lead alloy component, wherein the central shaft is slidably sleeved in the barrel body; a first groove is formed in the outer wall of the central shaft; a second groove is formed in the inner wall of the barrel body; the first groove corresponds to the second groove in position, and a cavity is defined by the first groove and the second groove; the lead alloy component is embedded in the cavity and is matched with the cavity in shape; the first end of the central shaft is placed out of the barrel body, and is used for being connected with the electric equipment; and the barrel body is used for being connected with the base of the electric equipment. In the lead alloy shearing-type damper, the first groove is formed in the outer wall of the central shaft of the damper; the second groove which corresponds to the first groove in position is formed in the inner wall of the barrel body; the lead-aluminum alloy component is embedded in the cavity formed by the second groove and the first groove; and when the central shaft and the barrel body are diastrophic, seismic energy can be effectively absorbed after the lead-aluminum alloy component is shorn.