This paper simply states two basal structures of the mount: equatorial and horizontal,and detailedly states horizontal structure. Horizontal structure is applied in Southern Astrophysical Research Telescope,Magellan 1 Telescope.

• 本文简述跟踪架的两种基本结构:赤道式和地平式,并详细介绍地平式结构,以及地平式结构在南天体物理研究望远镜(SOAR)和麦哲伦望远镜(Magellan 1)中的应用。