Guide rail fixed type speed limiter

The utility model discloses a guide rail fixed type speed governor which is fixed on a guide rail and comprises a speed governor body and a speed governor base installed below the speed governor body. The speed governor base comprises a lower base body, an upper base body fixed to the upper portion of the lower base body and connected to the lower portion of the speed governor body and a locking assembly used for fixing the lower base body to a guide rail, and the lower base body comprises a first connecting base and a second connecting base connected with the first connecting base and extending in the horizontal direction. The included angle between the projection of the second connecting base and the projection of the first connecting base on the upper end face of the lower base body is an obtuse angle, the upper base body is fixed to the upper end face of the second connecting base, and the first connecting base is fixedly connected with the guide rail through a locking assembly. The speed governor base is