Municipal vehicle height limiting device with adjustable height

The utility model discloses a height-adjustable municipal vehicle height limiting device, and relates to the technical field of traffic road management. Comprising a supporting column, a mounting seat is welded to one end of the supporting column, the other end of the supporting column is fixed to a connecting column, a threaded rod is rotatably mounted in the connecting column, the threaded rod penetrates through a sliding block and is in threaded connection with the sliding block, the sliding block penetrates through the connecting column and is slidably mounted in the connecting column, and one end of a shear frame is arranged on the sliding block; the other end of the shear frame is arranged on a U-shaped plate, the U-shaped plate is installed on the surface of a height limiting rod in a sliding mode, the height limiting rod is installed on a supporting column in a sliding mode, and a cleaning device used for cleaning the height limiting rod is arranged in the U-shaped plate. The dust removing mechanism e