According to the operating requirements of a large two-axis tracking and measuring system,a new spacing device with compact and skillful structure was researched and designed to realize the shafting revolving in 700° slewing area.

根據(jù)大型兩軸跟蹤測量系統(tǒng)的使用要求,研制了機電式700°轉(zhuǎn)動范圍的旋轉(zhuǎn)軸用限位機構,經(jīng)理論分析和試驗驗證,該機構工作可靠,很好地解決了旋轉(zhuǎn)軸回轉(zhuǎn)零點的第一次通過和第二次限位問題,機構可適時為設備主控系統(tǒng)提供旋轉(zhuǎn)軸當前位置和到位信息,結(jié)構設計巧妙、緊湊,完全可以滿足大型高精度光學儀器的使用要求。

By means of CAD/CAE application,a new spacing device was kinematically simulated and analyzed with FEM.

本文利用CAD/CAE技術對一新型限位機構進行機構運動仿真和有限元分析。

The satisfactory mathematical model of K 8 flap spacing mechanism has been set up by the method provided in this paper, so that the reliability of the mechanism can be calculated.

所采用的建模方法比較完滿地解決了Ｋ－８機襟翼限位機構（以下簡稱限位機構）的建模問題，建立了數(shù)學模型，以便進行機構的可靠性計算和設計；并在此基礎上通過改變模型參數(shù)，使該建模方法同樣適用于解決平面多桿機構的運動可靠性問題。