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1·The hoisting gear is easy to control and maintain, safe and reliable, suitable for middle and small mines.

绞车操纵维修方便、安全可靠、适合于中小型矿山使用。

2·This hoisting gear is used for hoisting or transporting at the place of coal shaft with explosive mixture of gas or coal dust.

该系列绞车用于煤矿井下有瓦斯或煤尘爆炸性混合物的场所作提升或运输用。

3·Aim at the problem, this paper establishes the mathematical model of multipurpose optimization to made hoisting mechanism to occupy minimum space and planet gear to use minimum material.

针对这一问题，建立了以起升机构占用空间最小和行星齿轮减速机构用材最少为目标的多目标最优化数学模型。

4·As far as hoisting mechanism with planet gear inside reel to be concerning, it is a vigorous issue to scholars to alleviate weigh, decrease dimension and reduce cost.

在内藏式起升机构设计中，如何减轻重量，降低成本，减少占用空间等问题一直为同行所关注。

5·In this paper, a method to determine and calculate terminal test load is pointed out for adjusting brake rope parachute gear for cage hoisting in auxiliary shaft.

文中提出了副井罐笼提升制动绳防坠器调整时终端试验荷重的确定理论与计算方法，并结合具体实例介绍了这一方法的应用。

6·The advanced hoisting technique and control method of prefabricated box girder over sea including spreader gear design, floating crane improvement and transport barge have been expounded in details.

详细阐述了预制箱梁海上新的吊装工艺和控制方法，包括吊具设计、浮吊改造、运输驳改造。

7·Widely used in auto engine, motorcycle clutch, gear flappers and hoisting equipment etc.

广泛应用于汽车发动机、底盘、摩托车离合器、齿轮侧板和起重设备领域。

8·The Zhongli brand electric control quick gear satellite drive construction hoisting machinery has won the state patent( the patent no. : 99 3 36200.1) ;

我公司开发研制的“重力”牌电控快速少齿差行星传动建筑卷扬机获得国家专利（专利号：99 3 36200.1）；