Transmission mechanism for spaceflight

Transmission mechanism for spaceflight

  • CN 110,798,048 A
  • Filed: 09/30/2019
  • Published: 02/14/2020
  • Est. Priority Date: 09/30/2019
  • Status: Active Application
First Claim
Patent Images

1. A transmission mechanism for spaceflight is characterized in that:

  • the planetary gear set comprises a planetary gear set (1) and a ball screw pair (2), wherein the ball screw pair (2) is connected with the planetary gear set (1), the planetary gear set (1) and the ball screw pair (2) are arranged in a linear mode, the planetary gear set (1) comprises a sun gear (11), a planet gear (12), an inner gear ring (13) and permanent magnets, the sun gear (11) and the inner gear ring (13) are arranged in a coaxial line mode, the permanent magnets comprise a first permanent magnet (111), a second permanent magnet (121) and a third permanent magnet (131), the first permanent magnet (111) is arranged on the outer surface of the sun gear (11), the second permanent magnet (121) is arranged on the outer surface of the planet gear (12), the third permanent magnet (131) is arranged on the inner surface of the inner gear ring (13), and the permanent magnets comprise;

    the ball screw pair (2) comprises a roller screw (21), a nut (23) and a flat key (22), one end of the roller screw (21) is connected with the planetary gear set (1), the nut (23) is sleeved on the ball screw, and the flat key (22) is arranged on the nut (23).

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