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魔界狂想曲- 第一四六九章 氣缸實驗-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> 第一四六九章 氣缸實驗

第一四六九章 氣缸實驗

  他現在製作氣缸是非常容易的。


  一個金屬圓柱中間鏜出一個洞,再用車床製造出一個活塞。


  從選定尺寸到製作出來不需要花多久。


  他們這裏有現成的材料和工具。


  接著是把氣缸一端給封閉起來,留下進氣孔和排氣孔。


  怎麽進氣孔怎麽與氫氣瓶連接還不漏氣?


  氫氣瓶的出氣孔可以做成金屬的。


  插入活塞的進氣孔並且有橡膠墊片來封閉縫隙。


  於是就不用擔心漏氣的問題了。


  氫氣瓶正常情況下不會爆炸,除非它漏氣並混入了氧氣。


  馬林的想法是,噴零點五秒的氫氣之後氣缸燃燒對活塞產生的推力就大於一百斤。


  這需要氫氣瓶的壓強夠大、出氣孔夠粗,氣缸的尺寸也剛好合適。


  馬林覺得氫氣的熱值怎麽都比汽油高。


  他把活塞連通一個裝置,隻要活塞的推力夠大,就會有一個一百斤的重物被吊起一小段距離。


  他希望一百斤的重物能夠被吊起一尺左右的高度。


  事實上氣缸換過一次之後就似乎挺靠譜了。


  氫氣瓶的壓強確定是合適的。


  氫氣瓶出氣孔的尺寸調整了三次。


  終於能夠達成這個要求了:氫氣瓶零點五秒噴出的氫氣進入氣缸,就足以推動活塞,使之通過裝置把一個一百斤重的口袋給吊起半米高。


  對氣缸的尺寸的調整是為了讓氫氣的燃燒不產生爆炸式的力量,而產生平穩的推動力量。


  氣缸越是大,氫氣燃燒對活塞產生的力量越是平穩,隻是太大的話氫氣量不足的話壓根就難以做功。


  實驗一直在有條不紊的進行中。


  事實上當氣缸做出來後想進行測試會非常快,半個鍾頭就能夠確定它是否合適。


  但是當它不合適的時候到底是該改變氣缸的總容積還是改變活塞的截麵積,這是需要進行很多次比較的。


  不知不覺,柳樹已經開始發芽了。


  明顯看得出來了。


  鐵爐村的電動拖拉機開始拖著電纜出去耕地。


  穀子種植一千畝,黃豆一千畝,以及果園、菜園子幾百畝。


  鐵爐村的總人口其實隻有兩百左右。


  馬林老家兩千人口有兩千畝耕地。


  可見鐵爐村是真的人丁稀少而人均土地很多。


  若不是有這種農業機械,想種植真是不容易。


  馬林隻是說,要根據日影測量儀記下今天是哪天,將來的年份好進行參照,尋找最佳的春耕日期。


  然後他繼續研究他的氫氣氣缸。


  ‘機靈鬼’等人一看到他在搞新發明,馬上就把他的雜活給承包了。


  春耕這麽大的事情馬林都不用自己管了。


  畢竟這是鐵爐村第一次用機械進行耕田。


  電纜以各種方式扯到田裏。


  拖拉機拖著電纜跑來跑去,一輛拖拉機有兩個人幫忙收放電纜,給駕駛員減少麻煩。


  拖拉機耕地快不快?

  快。


  一萬瓦的電機確實不錯。


  這十五輛拖拉機每一輛都不一樣。


  本來是同一批生產的,可是在測試的過程中全都進行了一些調整和改進。


  尤其是後麵的旋耕機應該以什麽方式進行懸吊和下放,出現了七八種不同的解決方案。


  一種方案是旋耕機的吊起來和放下去都采用手動方式,完全不接通主發動機的動力,多重杠杆使得一個人旋轉一個手柄十來圈旋耕機就可以被吊起來,倒著旋轉十幾圈旋耕機就會被放下去。


  另一種方案是旋耕機的吊起來和放下去都采用一個獨立的電動機,這個電動機功率是一千瓦,力氣較小,所以進行這種操作需要的時間較久。


  還有種方案是,上述功能通過接通主發動機的動力裝置來實現,這也是最讓馬林不放心的方式。


  馬林認為最合適的還是液壓技術,至於他自己想出來的液壓技術與藍星的是否是一回事他就不清楚了。畢竟他隻是聽說過液壓技術這個詞,完全沒見過相關的資料。


  關於液壓技術。


  液體對活塞使那麽大的力氣怎麽才能不漏出去?


  活塞的氣密性到底要有多好?

  其實這個要求並不是那麽高,液體畢竟跟氣體不一樣,就算是給液體一個孔洞讓它漏出去,並施以巨大的壓強,它都會漏的非常緩慢。


  像是活塞與氣缸這種程度的縫隙,液體漏出去的速度幾乎可以忽略。


  一個用電動機驅動的液體打氣筒。


  一下子把各種難題都給解決了。


  他製作的液壓裝置。


  如同打氣筒那般有活塞、打氣筒、進液口。


  活塞像上拉,閥門打開液體湧入打氣筒。


  活塞向下推,閥門關閉,液體被推入連通的腔室中並舉起重物。


  因為重物非常重,所以要給活塞施加比較大的力氣。


  以曲柄連杆裝置可以把發動機的轉動變成反複運動,從而推拉活塞進行‘打氣’使得液體壓強越來越高。


  氣密性方麵比起打氣筒並不強多少,現有技術完全合格。


  當儲存的液體接近耗盡之後,‘打氣筒’就抽不到更多的液體了,於是舉起重物的動作自發停止了。


  當要把重物給下放的時候隻要打開一個排液孔,讓液體流出來。


  可是液體粘性大,即使壓力那麽大流出的速度也非常慢。


  於是重物落下的速度也非常慢。


  幾乎是完美解決了舉起重物的問題。


  給這種裝置設置一個機械組,便可以用於起重機,同樣會把馬林的各種煩心事都給解決掉。


  隻是想一下馬林就覺得神清氣爽。


  當下就製造這種液壓裝置。


  不比他的打氣筒精密多少。


  裏麵用什麽液體?

  不知道。


  一種比較幹淨的不腐蝕金屬、不容易變質的液體。


  一點水都不含。


  那隻有用油了。


  他先前試驗漆包線的時候使用過很多脂類。


  選最容易生產、常溫下呈液態的脂類,它對鐵的腐蝕性比較弱,這是已知的。


  試試看。


  它的打氣筒要非常粗,活塞上的閥杆也應該比較粗。


  一個齒輪能夠通過手柄連接到發動機的齒輪組上。


  這個齒輪再接一個齒輪組以及一個曲柄搖杆裝置來給這個打氣筒‘打氣’。


  接著就是這個液壓裝置與打氣筒的區別了。


  它要有個儲液室,還要有個排液孔。


  排液孔必須可由手控製開關。


  於是排液孔其實是一個中間帶孔的墊片。


  墊片滑動一點可以堵上排液孔,複位的時候可以打開排液孔。


  這件事其實比較好做。


  這個打氣筒用於舉起重物的那一側必須還有個裝置,那就是個隻進不出的閥門,跟打氣筒的進氣孔相似。


  閥門正常情況下會被壓力壓的鎖死下方的口子,但是當打氣筒在‘打氣’的時候,下麵的壓力大,於是它便打開了。

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