The invention discloses a secondary platform system and belongs to the technical field of precision motion control. A first roller assembly, a second roller assembly, a third roller assembly and a fourth roller assembly of the system are all installed on the bottom surface of a lower platform. A first air cushion transporter, a second air cushion transporter and a third air cushion transporter are arranged on the bottom surface of the lower platform into a triangle. The lower end of a first voice coil motor provided with a cylinder, the lower end of a second voice coil motor provided with a cylinder and the lower end of a third voice coil motor provided with a cylinder are installed on the upper end face of the lower platform into a triangle. The lower end face of an upper platform is connected with the upper end of the first voice coil motor provided with the cylinder. The upper end of the second voice coil motor provided with the cylinder is connected with the upper end of the third voice coil motor provided with the cylinder. An air cushion platform is arranged on the upper plane of the upper platform. According to the system, multiple systems work coordinately and synchronously, the requirement of a six-freedom-degree air bearing table for the flatness of a marble foundation platform can be reduced greatly, and good simulated test initial conditions are provided for the air bearing table.
Secondary platform system
2015-11-04
Patent
Elektronische Ressource
Englisch
IPC: | B64G Raumfahrt , COSMONAUTICS |
Europäisches Patentamt | 2024
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