Prefabricated fast-assembly steel rail fastener

The utility model discloses a preassembled fast-assembly steel rail fastener, which relates to the technical field of steel rail fasteners and comprises a metal backing plate, anchor bolt holes and an elastic strip fixing seat are arranged on the metal backing plate, an elastic strip is movably arranged on the elastic strip fixing seat, and a supporting platform for supporting a steel rail is arranged in the middle of the metal backing plate. An under-rail anti-vibration pad is movably arranged at the position, corresponding to the supporting platform, of the upper surface of the metal base plate body, an under-plate anti-vibration pad is movably arranged on the lower surface of the metal base plate body, and penetrating holes are formed in the under-plate anti-vibration pad and correspond to anchor bolt holes. And factory preassembly is facilitated, and field installation is facilitated. 本实用新型公开了一种预装式快装钢轨扣件，涉及钢轨扣件技术领域，包括金属垫板，所述金属垫板上设置有锚固螺栓孔、弹条固定座，所述弹条固定座上活动设置有弹条，所述金属垫板中间位置设置有用于支撑钢轨的支撑平台，所述金属垫板的上表面对应支撑平台位置活动设