This paper analyses parabola precision of a cableway of single span,discusses rise angle of overshead travelling crane while the load is in motion and puts new method of algorithm for rise angle.

• 研究单跨索道的抛物线算法，分析讨论了荷重运行时跑车的升角，提出一种新的升角计算方法，所得结果便于索道的优化设计。