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平行光管是光学仪器装调、检测领域常用的标校设备。随着目前光学仪器向着大口径、长焦距、多波段方向的发展,仪器的口径与焦距都远远超出常规平行光管的适用范围。因此,为了保证其检测精度,需使用超出常规的平行光管,这就给光学加工,尤其是机械支撑提出了很高的要求,针对此问题提出了一种新型的大口径平行光管的设计,在传统平行光管应用原理的基础上,采用一种分体式软连接新型机械结构,该设计结构不仅可以降低长焦距、大口径光管的分段连接难度,而且减轻了整个光管的质量,从而可以很大程度上提高检测、装调的效率,降低制造成本。
Parallel light pipe is installed in optical instruments, testing the field of standard equipment. With the development of large aperture, long focal length and multi-band optical instruments, the caliber and focal length of the optical instruments far exceed the applicable range of conventional parallel optical tubes. Therefore, in order to ensure its detection accuracy, the need to use beyond the conventional parallel light pipe, which gives the optical processing, especially mechanical support put forward high requirements for this problem proposed a new type of large-caliber collimator design On the basis of the application principle of traditional collimator, a new type of split-type soft-jointed mechanical structure is adopted, which not only can reduce the difficulty of segment connection of long focal length and large-caliber light pipe, but also reduce the quality of the whole light pipe , Which can greatly improve the efficiency of detection, installation and adjustment, reduce manufacturing costs.