Subway gate flood control device with high stability

The subway gate flood control device with the high stability comprises a gate plate, a fixing groove is formed in the back face of the gate plate, a fixing base is fixedly connected to the inner wall of the fixing groove, an electric push rod is fixedly connected to the inner wall of the fixing base, and a flood control bottom plate is fixedly connected to the bottom end of the electric push rod. According to the subway gate flood control device with the high stability, a servo motor is started, so that two gate plates are attached together, an electric push rod is started, the bottom of a flood control bottom plate is fed into a bottom inserting groove, then a flood control front plate is rotated around a bottom rotating rod from a bottom groove, a movable supporting rod is rotated out around an inner rotating rod from a storage groove, and the bottom end of the movable supporting rod is inserted into an inserting hole; in this way, when the flood comes, the flood prevention front plate, the gate plate and t