There are a lot of design methods for it, but themethod of adjusting the brake moment of the capstan engine (according to themaximum pulling force of steel cable) is most simple and safest.

• 71型索道即承载索松紧式索道,在无荷与有荷状态时,都可以用抛物线法求解,线型同样符合两端固定式索道承载索遵循的定律,设计方法很多,但以钢索最大拉力为依据调整统盘机制动力矩的方法最为简便、安全。