The invention discloses a suspension type monorail independent speed measuring wheel device comprising a fixed support, a swing support, a shaft bolt, a speed measuring wheel shaft mechanism, a wheeldisc, a speed measuring wheel, a side support, a speed sensor and a pressure spring mechanism; the longitudinal end of the swing support is rotationally connected to the fixed support through a horizontal transverse shaft bolt, the fixed support partially extends to the upper portion of the swing support and the vertical pressure spring mechanism is arranged between the extension portion and the swing support, a shaft hole penetrating through the two sides is transversely formed in the swing support, the speed measuring wheel shaft mechanism is installed in the shaft hole, the wheel disc, theside support and the speed sensor are coaxially and fixedly installed at the two ends of the speed measuring wheel shaft mechanism, and the speed measuring wheel is installed on the wheel disc and ispositioned in the center. The suspension type monorail independent speed measuring wheel device in the invention can be installed at the front end or the rear end of a bogie, the arrangement and installation are not limited by internal space and structure of the bogie, the arrangement and installation of other systems and parts on the bogie are not affected, and the difficulty in arrangement and installation is solved.