作者：爱不爱他我不是路人甲

嘉义阿里山隙顶二延平步道观云平台，就在嘉义与阿里山公路来往的途中，沿途美景怡人茶园步道秀丽，一早从触口山下骑车出发约40分钟左右抵达，步道途中刚好巧遇茶农妇人们采收茶叶增添景观的美丽，二延平步道简单好走适合亲子踏亲户外郊游

二延平步道从建设完成至今已有18年之久。 为考虑游客使用安全，2021年9月10日起封闭进行工程改善，已于2022年3月26日正式开放

入口即有观景平台，步道约1150米，单程约60分钟，步道路径是早年山上居民开垦时，从隙顶山与二延平山间的空隙通过，步道的视野展望绝佳，夕阳、云海的气势十足，更是摄影取景秘境

新增的步道从原步道终点的凉亭，再往山上辟建登山木栈道，沿途有竹林、奇石、茶园等不同的风光

往东可眺望玉山群峰山景。 冬季有机会看到云瀑、云海，夕阳美景更吸引许多摄影人士专程前往拍照。

前往高山深处的 隙顶二延平

刚开始就是阶梯竹林路，从下面往上看看的话 感觉一眼望不到头，台阶初步计算了一下有大概 1000多个阶梯，所以一口气爬上去的话，还是很费劲的，如果体力不支的小伙伴 建议分段爬行，这样的话避免第二天 腰酸背疼

约20分钟后抵达宽阔的茶园，这里的茶农 日出而作日入而息，好不惬意，

等我以后赚够了monkey  就退休到这里，采菊东篱下悠然见南山，那是多自在呀

大石头台阶加上茶树很美

步道今年刚整修好非常完善，走在上面 你不仅仅能看到绿油油的大自然，而且闻到的都是一阵阵的茶香，能让你瞬间安静下来，摆脱城市的喧嚣与吵闹

一层层绿意盎然的茶叶让人心旷神怡

往上来到瞭望点，又可看得更远

看似绿色波浪的茶树

沿途都是一段段阶梯但有美景陪伴，不算太难

云来了下了点小雨

白墙也是一番风景

这边算是最高点了，云来来去去，可以参考比较

往回走水泥路步道

往茶雾之道下山绕个O型

在凉亭稍作休息吃个东西

欣赏对面山岚风起云涌

下山马路旁枫叶已经红了

公路旁的茶庄

马路旁有茶农正在晒茶叶  这种是 当季的茉莉花茶，你到跟前就会闻到非常的清香

整体时间 来回的话  步道从开始到 结束约2个小时蛮轻松的，但有些溵滑地段小心很容易滑倒。

如果带着孩子的话 建议搭配婴儿车，或者腰凳，这样的话 走起来还是比较轻松的

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赵亚店2140齿轮渐开线起始圆直径从哪里开始 -
丰宜媛15359529547 ______ 渐开线起于基圆,而实际加工时,由于齿轮刀具具体结构的限制,渐开线起始圆并非齿轮基圆;渐开线起始圆就是齿轮齿廓,从这个圆以外必须是渐开线(对于外齿轮而言). 而实际齿轮在啮合时,工作齿廓高度是“有限”的,只要在工作齿廓...

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丰宜媛15359529547 ______ 模数(法面模数) Mn=4 齿轮1齿数 Z1=24 齿轮1齿宽 B1=25.00(mm) 齿轮2齿数 Z2... 00 顶隙系数 c*=0.25 压力角 α*=20(度) 端面齿顶高系数 ha*t=1.00000 端面顶隙...

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丰宜媛15359529547 ______ 因为,行星齿轮模数是2,齿圈(直齿内齿轮)模数也是2;分度圆直径=2*36=72 . 齿圈齿顶高=(72-69.92)/ 2 =1.04;齿圈齿根高=(75.26-72)/ 2 =1.63 . 所以,齿顶高系数=1.04 / 2=0.52;顶隙系数=(1.63 -1.04)/ 2=0.295 . 内齿轮接触很少,这是手算的,供参考.