The invention discloses a two-degrees-of-freedom spherical motion platform. A pitching driving gear is mounted in a base; a rotation supporting body comprises an annular outer ring and an annular inner ring; the annular outer ring is fixedly mounted on the base; the outer wall of the annular inner ring is provided with external teeth which are meshed with the pitching driving gear; a pitching driving motor is capable of driving the annular inner ring to rotate around the own axis for 360 degrees by the pitching driving gear; the annular inner ring is fixedly provided with two rolling and connecting assemblies; rod parts of two ends of a spherical cabin are respectively mounted in the corresponding rolling and connecting assemblies by bearings; the rod part at one end of the spherical cabin is sleeved with a rolling driven wheel; a rolling driving wheel is arranged around the rolling driven wheel; the rolling driven wheel, the rolling driving wheel and the spherical cabin form a planet wheel transmission mechanism, a rolling driving motor drives the rolling driving wheel to rotate, and the rolling driven wheel drives the spherical cabin to rotate around the own axis for 360 degrees. According to the invention, the coupling is eliminated, the cost is reduced, the energy consumption and fault rate are reduced, and the maintenance interval time is prolonged.
Two-degrees-of-freedom spherical motion platform
2015-07-29
Patent
Elektronische Ressource
Englisch
IPC: | B64G Raumfahrt , COSMONAUTICS |
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