Vibration isolation device suitable for satellite control moment gyroscope
A technology for controlling moment gyroscopes and moment gyroscopes, which is applied in the direction of aerospace vehicle guidance devices, transportation and packaging, and non-rotational vibration suppression. Problems such as the coincidence of gyroscope centroids, to achieve good anisotropic decoupling characteristics, light weight, and the effect of ensuring satellite performance
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Embodiment 1
[0036] The present invention provides a vibration isolation device suitable for satellite control moment gyroscopes, comprising a lower mounting plate 1, an upper mounting plate 2 and a vibration isolation assembly, the lower mounting plate 1 is used to fix the vibration isolation device of the present invention on the satellite On the star body, the upper mounting plate 2 is provided with a gyro mounting position 5 and is provided with a threaded hole. The gyro mounting position 5 is used to install the control moment gyro 4 and is preferably fixed by a threaded hole or a screw. The vibration isolation assembly It includes a first vibration isolator array and a second vibration isolator array, the first vibration isolator array is installed between the lower mounting plate 1 and the upper mounting plate 2, and the second vibration isolator array is installed on the upper mounting plate On the plate 2, the lower mounting plate 1 and the upper mounting plate are preferably coaxi...
Embodiment 2
[0046] This embodiment is a preferred example of Embodiment 1.
[0047] In this embodiment, a satellite control moment gyro vibration isolation device is provided, such as figure 1 As shown, it includes a lower mounting plate 1, an upper mounting plate 2 and a vibration isolation assembly, and the mounting base plate 1 is connected to the satellite body through 8 M8 screws;
[0048] The upper mounting plate 2 is connected to the control torque gyroscope 4 through 8 M8 screws, and the vibration isolation assembly includes 8 sets of vibration isolators 3;
[0049] Further, the vibration isolators 3 are installed parallel to each other, and are respectively connected to the lower mounting plate 1 and the upper mounting plate 2 through four M8 screws;
[0050] Further, the vibration isolator 3 adopts a slotted hollow cylinder, and the cross section is bidirectionally inwardly slotted, and 8 slots are cut along the direction of the generatrix, and adjacent slots are staggered at 9...
Embodiment 3
[0055] This embodiment is a modification example of Embodiment 1.
[0056] In this embodiment, the vibration isolator 3 is a slotted hollow cylinder, wherein the slots are arranged along the direction of the busbar of the vibration isolator 3, and the number of the slots is a positive integer multiple of 3 slots, For example, 3 slots, or 6 slots, every two adjacent slots are staggered at 120° or 60°. When the vibration isolator 3 is manufactured, each parameter is controlled according to the actual situation to adjust the stiffness.
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