The invention relates to an emergency repair device for railway signal equipment, which relates to the technical field of railway facilities and includes a U-shaped frame, a sleeve, a work block, a vertical rod, a sliding sleeve, a second electric push rod, an articulated arm, a sliding rod and a V-shaped plate , the beneficial technical effect is that the present invention can erect the position where the cable needs to be repaired, so that the damaged part of the cable is protruded and placed, thereby facilitating local repair. A sleeve is provided at both ends of the U-shaped frame, and the work-shaped block is arranged in the middle of the U-shaped frame. The work-shaped block is fixedly connected to the vertical bar, and the sliding sleeve is movably connected to the vertical bar. The telescopic end of the push rod, the second electric push rod is fixedly connected to the I-shaped block, the two ends of the articulated arm are respectively rotated to connect the sliding sleeve and one end of the sliding rod, the middle part of the sliding rod is slidably connected to the I-shaped block, and the V-shaped plate Fixedly connected to the other end of the slide bar.