一种性能良好的反射镜架

A Mirror Holder or Good Performance

反射镜架很多仪器设备中常用的部件．实际工作中要求反射镜架具有良好的调节性能，以利于仪器光路的安装调试，根据这一要求，本文提出了一种反射镜架结构并采用位移分解法分析了该结构调节机构的性能．理论分析和实际应用表明该镜架在小范围内调节光斑位置时确实具有优良的调节性能，保证了光斑位置两维自由度调节的正交独立性。该镜架对通光孔的遮挡最小，结构简单，成本低廉。可方便地用于很多相应的仪器设备中。

The mirror holder is a device in common use for many instruments.It is necessary thatthe mirror holder has a well adjusting performance so as to tune light path of the instrumentsmoothly.In line with this a construction of the mirror holder is proposed. Performance ofthe adjusting machine of the construction is analysed by using displacement resolutionmethod.Theortical analysis and practical application show that the mirror holder has excellent performance which insures orthogonal independence between two dimension of movement of light patch in small range.The mirror holder shields the light through hole least.Theholder is constructed simple and cost low. It may be uesd in many instruments conveniently.