Introduction of a 2.5m telescope mount

摘要

Telescope is a very important tool for astronomers to survey and study the stellar stars and astronomical phenomena. Theperformance of a telescope is its capability to track the observing objects and keep the image on the field of view duringthe observing period. All these functions will be achieved by telescope mount, including mount control system. Themount is to support the mirror cell and keep the mirror cell position stability. Meanwhile, with the help of control system,the mount acts as tracker of the observing objects. So, for a telescope, the mount and its control system play an importantrole during the telescope operation. This paper introduces the structure design and analysis of the mount system of a2.5m optical/infrared telescope, such as azimuth axis, elevation axis, M2 positioning system, M3 positioning system, andso on. Especially, an innovative support and escape mechanism of M3 will be proposed and analysed in this paper.