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第二十章 刘盈:我这是鸡同鸭讲了是吧?(2 / 2)

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“不信。”张不疑斩钉截铁。

“不辩。”刘盈把脸扭到一边。

过了一会,刘盈慢慢忍不住,指着火车头说道:“看清楚了,这种大家伙不仅能向前跑,而且还可以倒着跑,而且是自动挡,无级变速!”

张不疑满头雾水:“啥玩意,自动……挡?无级变速?这说的都是什么?”

本小章还未完,请点击下一页继续阅读后面精彩内容!刘盈冷笑:“现在你知道前期的投资都花到哪里去了吧?造铁轨、做枕木、组装火车头固然很费钱,但这都是明面上的,只要投入,就有产出。”

“最难的其实是培养合适的人才,懂得机械原理,知道如何让火车头平稳运行,重要的是还有调度人员,尤其是调度,有了他们,整条铁路才能高速运转,让我可以用盈利偿还债券的利息,然后吸纳更多投资……”

张不疑摇了摇头:

“工师培养艰难我理解,但调度又有何难?无非就是让火车有序进站,有序出站,长安城十字大街上那些指挥马车通行的长安府吏干的不就这个,从那里调几个过来不就行了?”

“说的轻巧,做起来就难喽。”刘盈捡了个棍子在地上比划了两下,抬头问道:“你看,一来一回两条铁路很简单,那若是十字路口呢?米字路口呢?甚至于四五条不同方向的列车同时进站出站,近乎在同一时间通向不同地点呢?”

“这么个铁疙瘩要是撞在一起,你有想过会有怎么样严重的后果吗?”

“是,现在只有一条长九铁路,也只有通向煤矿、码头、盐池这几条支线,但我敢保证,最多三年时间,至少会有五条以上的铁路陆续开工,从长安城通向不同的地方!”

张不疑摸了摸静静放在铁轨上,如同一头沉默巨兽的火车,轻轻颔首。

他之前见到过火车运行时的一幕,喷吐着白烟,轰轰隆隆驶来,压迫感十足,让人忍不住的想要顶礼膜拜!

“那,到时候我能开一会吗?嗯,就一会!”张不疑看向刘盈,双眼中有些祈求。

“行啊,等到过了通向码头的岔路口时,让你开一天都没问题!”刘盈满脸堆笑,只是竖起手指说道:“不过快到长安城的时候要我亲自来开,这种出风头的事情我从来都是当仁不让的!”

我懂、我懂……张不疑轻轻颔首,脑海中浮现了另一个喜欢出风头的大胡子,脸上挂起了几分受宠若惊的神色:“正好,反正现在闲着也是闲着,你来教教我怎么开火车!嗯,很难学吗?”

“很好学的。”刘盈指着火车下方的轮子:

“你看,车头两边各有三个动轮,第三个轮子边上装有被蒸汽活塞推动的摇杆,摇杆带动曲拐让轮子动起来,这个曲拐还带动连杆,推动前面两个轮子同步转动,而曲拐头部还装有一个偏心曲拐,等到轮子转起来之后,就带动上面的偏心杆前后摆动,从而又带动月牙板在支架上来回摆动。”

“月牙板摆动时,再推拉半径杆前后运动,推动合并杆移动气室里的阀门,合并杆的另一端连接着结合杆,结合杆又和滑板上的十字头连接,而十字头则被气缸的蒸汽活塞推动……呐,就是这个东西,它一端连接着气缸活塞杆,另一端为接摇杆提供动力……”

在张不疑满脸懵逼中,刘盈兴致勃勃的拉着他登上车头,继续说道:

“你看,前进时回动机手柄前推,半径杆下移,气室阀行程增大,蒸汽推动轮子前进……需要倒车的时候将回动机手柄向后拉,半径杆越过中点移动到上止点,气室阀行程先减小然后再次增大,蒸汽反向推动轮子向后。”

“只需要控制半径杆上下移动,就能控制火车向前向后移动,而且车速也可以通过遮断比的不同而调节,不需要额外的构件,这就是我说的无级变速!”

张不疑懵逼了一会,指着驾驶室中的几根手柄,做了总结:“也就是说,我只需要推动这几个东西,就能稳稳让这么大个铁疙瘩跑起来了?”

刘盈愣了一下,点头表示赞同。

张不疑顿时趾高气昂起来:“说了啦啦渣渣一大堆,没想到这么简单!你早说不就完事了,都快把我听迷湖了……”

刘盈满脸无奈,蒸汽火车的结构其实很简单,难点在于知道为什么这么做,简简单单的结构背后,是无数工程师的绞尽脑汁……

所以,文科生真讨厌!

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