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目前国内建筑工地使用的大中型塔机中由法国引进技术的Ｆ0 / 2 3Ｂ及Ｈ3/ 36Ｂ系列的塔机较多 ,这两种塔机的卷扬机构相同 ,使用中经常出现减速箱内装在棒齿上的 99齿齿轮的锁紧螺母松动的故障。一旦 99齿齿轮松动 ,极易引起其自身及与其啮合的 19齿齿轮、 38齿齿轮打齿 ,甚至
Currently used in the construction of large and medium-sized tower crane in France by the introduction of technology F0 / 2 3B and H3 / 36B series of tower crane more, the two tower crane winch the same mechanism, the use of gearbox often appear in the stick 99 tooth gear lock nut loosening fault. Once the 99 tooth gear is loosened, it can easily cause its own and the 19 tooth gear engaged with it, 38 tooth gear tooth, or even