A light-weight space camera main bearing device with focusing function
A technology of space camera and main force, which is applied in the field of space optical remote sensing, can solve the problems of high parts quality and assembly requirements, achieve the effect of improving light weight rate, improving utilization rate, and solving high parts quality and assembly requirements
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[0022] Specific implementation mode one: combine Figure 1~3 Describe this embodiment, a light-duty space camera main load-bearing device with focusing function, which includes a main load-bearing truss 1 and a main load-bearing backplane 2, and it also includes a number of heating chips 3, a number of thermistors 4 and a number of Thermal film 5,
[0023] The main load-bearing truss 1 includes an upper circular structure 11, a lower circular structure 12 arranged coaxially, and three truss rods 13 fixed between the upper circular structure 11 and the lower circular structure 12. The back plate 2 is coaxially fixed on the bottom of the lower ring structure 12, the primary mirror of the camera is installed on the main load-bearing back plate 2, and the secondary mirror of the camera is installed on the upper ring structure 11,
[0024] The material of the main load-bearing truss 1 matches the linear expansion coefficient characteristics of the material of the main load-bearing...
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