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魔界狂想曲- 第一四五六章 方向盤與耙地機-玄幻奇幻-萬花小說
当前位置:萬花小說>书库>玄幻奇幻>魔界狂想曲> 第一四五六章 方向盤與耙地機

第一四五六章 方向盤與耙地機

  先前的吊車也可以這麽搞。


  它存在大臂和小臂。


  大臂與車子之間的連接是可以旋轉的,而小臂與大臂之間的角度可以調整。


  小臂伸展開的的時候重物就會向前移動。


  小臂吊著滑輪,決定滑輪的位置。


  滑輪約束的鐵索的長度決定貨物被吊起的高度。


  拉鐵索采用一個電動機,控製小臂的移動的是另一台電動機。


  再用一個電動機來控製大臂的旋轉。


  於是這個起重機吊起重物既可以控製高度,又可以旋轉,還可以沿著吊臂方向前後移動。


  於是就滿足了要求。


  雖然這種結構很是奇葩,為了實現這些功能一台吊車要安裝三個電動機,但是它起碼真的能夠完成工作。


  再考慮一下,其實小臂這種設計太麻煩。


  不如把大臂分為兩段,上麵的那段可以在下麵的那段上前後滑動。


  上麵那段也使用足夠結實的鋼材,不會彎折。


  專門在吊臂上放置一個功率一千瓦的電動機來推動上麵這段吊臂前後滑動。


  上麵這段吊臂冒出下麵這段吊臂的長度比較短,因為多數時候都不需要重物前後移動多遠。


  反正馬林這是真的實現了相關功能。


  雖然采用的是歪門邪道的辦法。


  他因為采用的是電力驅動,所以比較的膽大妄為。


  其實現在就可以造出一輛挖掘機、一輛吊車,讓它們去施工。


  鐵爐村需要它們。


  尤其是現在需要好好的修路。


  有了挖掘機之後工作效率不是一般的高。


  還有那種能夠鑽開石頭的車子,拆樓、拆馬路的時候經常見到它們。


  用它們開礦豈不是很簡單?

  用這種笨法子是可行的。


  馬林跟‘巧手’說明白了自己對吊車、挖掘機的設計思路。


  ‘巧手’說道:“這樣就太麻煩了。”


  馬林必須快點解決一個問題,那就是方向盤的問題。


  沒有方向盤,這些車子都難以轉向。


  馬林沒有啥好辦法,他隻會物理法轉向。


  前麵的兩個輪子各自連接到一個很短的車軸上。


  車軸的內側那端裝一根垂直地麵的鋼柱子。


  鋼柱子插在一個很結實的鋼管子裏,可以在管子中轉動。


  於是車輪便是可以轉向的。


  以鋼柱子為軸安裝齒輪,通過齒輪組連接到方向盤。


  於是方向盤便可以控製兩個輪子轉動。


  似乎這不是很方便的方式。


  但是是個可行方案。


  馬林覺得這種方向控製設備日後很容易出故障,成為他的車子最常見的故障之一。


  但是如果使用的鋼足夠好,又堅硬、又均勻,這種設備說不準可以比較耐用。


  不管怎麽說,這確實是種可行的方向盤方案。


  有了方向盤之後馬林可以略微出一口氣了。


  既然吊車、挖掘機的設計都搞定了,那麽耙地機的問題也可以搞定。


  電動拖拉機拉著耙地機。不耙地的時候,耙地機要抬到高處,刀片遠離地麵;耙地的時候,耙地機要放下去,壓在土地中。


  怎麽對耙地機進行這種控製?


  如同前麵控製吊車吊臂的裝置那般。


  耙地機與拖拉機的連接處,上下有突出的架子,以鋼索連接到耙地機上。


  一個電動機專門控製這兩條鋼索。


  上麵的鋼索收緊,耙地機就會被舉起來,下麵的鋼索收緊,耙地機就會被放下去。


  這是非常繁瑣的方式。


  但是可行。


  如果嫌麻煩,隻設置上麵那條鋼索,然後在耙地機上綁一個一百來斤的重物把它給壓向地麵。


  當上麵的繩索收緊,耙地機就會懸起來。


  當上麵的鋼索放鬆,耙地機就會被放到地麵上開始耙地。


  再考慮一下,耙地機是否需要電動機帶著旋轉?


  需要。


  那就再給它裝一個電動機好了。


  於是這樣一輛車子裝了三個互不相關的電動機。


  雖然很麻煩,但是可行。


  用來耙地可以省卻大家很多力氣。


  使得農忙季節不再那麽累。


  那麽進一步思考一下吧。


  如果他的這些工農業機械使用的都是柴油機,不是發電機,所有這些功能都由同一個柴油機提供動力,那麽應該怎麽設計這些傳動裝置呢?

  馬林不懂的是怎麽移動一個齒輪使它與一個正在轉動的齒輪咬合起來,又怎麽使它們脫離。


  大約掛擋就是這麽掛的吧?

  似乎需要靠手感來進行判斷?


  一個盒子裏,兩個齒輪相距一段距離。


  其中一個齒輪可以水平滑動,並由手柄進行操作。


  人可以抓著手柄對兩個齒輪進行對接。


  鋸齒都特別結實,要麽手掛擋的時候掛不進去,要麽會掛的非常牢。


  這種方式其實是可行的。


  固定的那個齒輪的鋸齒可以存在一個保護設施,如果掛擋的時機不好,手柄會推不進去,必須再試。直到機會特別好,掛了進去。


  這麽兩個齒輪最好尺寸都比較大,轉動速度也相對較慢,力氣卻非常大。


  發電機的轉軸上可以設置多個這種齒輪,供別的需要動力的齒輪進行銜接。


  這種齒輪最好四秒轉不了一圈才方便銜接上去。


  馬林隻能想起來這麽一種做法。


  一個每秒隻轉四分之一圈的齒輪如何驅動一個每秒要轉五六十圈的齒輪?


  用兩個提高轉速十倍的齒輪組就差不多近了。


  這個轉速慢的大齒輪咬合一個非常小的齒輪,使得小齒輪的轉速是它的十倍,小齒輪同軸有一個直徑十倍的大齒輪,大齒輪的速度便比先前那個大齒輪的轉速提高了十倍。


  再接一個同樣的齒輪組,轉速便會提高更多。


  但是它們對齒的結實程度有比較高的要求。


  馬林認為自己是做得出來的。


  於是他便以這種方式實現了‘掛擋’。


  像是耙地機提起來和放下去的問題,涉及到的鋼索,它纏在一個軲轆上。


  這個軲轆在駕駛員認為需要的時候可以手動掛擋連接到拖拉機的發動機上。


  因此便獲得了動力。


  而挖掘機的六條鋼索也都是這樣子。


  關鍵在於用於驅動的這個齒輪必須轉的很慢,這樣子不管是想進行對接還是想進行分離都比較容易。


  甚至不用齒輪也行。


  兩個轉軸,一個帶有很多凹坑,一個帶有很多凸起,都是周期對稱形狀。


  把凸起給推入凹坑,兩者就會一起轉動。


  拉出來就脫離了動力。

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