Gate-type pier rotation limiting device

The utility model relates to the technical field of swivel construction, in particular to a gate-type pier swivel limiting device which comprises a lower bearing platform and an upper bearing platform, a counter-force seat body is arranged on the lower bearing platform, a first jack is arranged on the counter-force seat body, a steel cable is arranged in the first jack and connected with the upper bearing platform, a limiting ring is connected to the counter-force seat body, and the limiting ring is connected with the counter-force seat body. A first buffer spring is arranged in the limiting ring, the first buffer spring is connected with the counter-force seat body, the steel cable is connected with a limiting plate, the limiting plate is located on the steel cable between the upper bearing platform and the counter-force seat body, and the limiting plate abuts against the first buffer spring and abuts against the limiting ring after overcoming the elastic force of the first buffer spring. When the upper bear