Portable antenna pitching rotating shaft angle locking device

The utility model provides a portable antenna pitching rotating shaft angle locking device, which relates to the technical field of antenna equipment and comprises a bottom plate, a fixing plate is fixedly mounted on the bottom plate, a fixing rod is fixedly mounted on the fixing plate, a bearing is fixedly mounted on the fixing rod, a rotating cylinder is rotatably mounted on the bearing, and the rotating cylinder is fixedly mounted on the bottom plate. A clamping inner gear is fixedly mounted in the rotating cylinder; the fixing rod penetrates through the rotating cylinder and is fixedly provided with a mounting plate, the mounting plate is rotatably provided with a two-way screw rod, the two-way screw rod is connected with two screw rod nuts through threads, the two screw rod nuts are fixedly provided with connecting blocks, and the two connecting blocks are fixedly provided with clamping toothed plates. A transverse bevel gear is fixedly mounted on the two-way screw rod; and a vertical bevel gear is arran