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黑龍江工程學院本科生畢業(yè)設計
摘 要
汽車是當今人類使用最廣泛的交通工具。汽車發(fā)動機的自動化裝配程度在一定程度上限制了汽車的自動化生產(chǎn)水平。因此對汽車發(fā)動機自動裝配生產(chǎn)線的研究，對提高生產(chǎn)線水準具有十分重要的現(xiàn)實意義。在對進氣口清洗裝置的設計中，有幾個關鍵的問題，首先是頂開閥桿的凸輪機構的設計；其次是驅動凸輪機構轉動的電動機及皮帶傳動部分；再次就是缸蓋的固定問題，因為在進氣口和出氣口進行高壓空氣清洗時，會給氣缸蓋向上的力，所以要做好固定工作。一旦進氣口有一些雜質或者灰塵粒，就會導致密封不嚴，或者漏氣的現(xiàn)象，這樣就會影響發(fā)動機的正常工作，所以對進氣口的清洗裝置的設計就顯得尤其關鍵。清洗裝置的設計直接影響到發(fā)動機缸蓋的密封性，對發(fā)動機的工作也有很大影響，所以設計出一套完整、完善的清洗裝置是十分必要的。本文在對汽車、汽車構造、發(fā)動機的構造、分類，、工作原理、發(fā)動機氣缸缸蓋和生產(chǎn)線進行了比較詳細的闡述的基礎上，論述了汽車發(fā)動機缸蓋生產(chǎn)線自動裝配進氣門清洗裝置的設計，并對其進行了理論分析和設計計算。完成了該裝置總體結構及凸輪機構、電機、帶傳動、氣缸及清洗等主要部件的設計，為實現(xiàn)汽車發(fā)動機生產(chǎn)線自動化裝置提供了參考價值。
關鍵詞：汽車發(fā)動機；缸蓋；生產(chǎn)線；進氣口清洗；東安465Q發(fā)動機
ABSTRACT
The automobile is the widest means of transportation nowadays . The automation of the automobile engine assembles the automatic level of production and the degree has limited the automobile to a certain extent. So assemblly the research of the production line to the automobile engine automatically , have very important realistic meanings in improving the production line level. Washing the air inlet in the design of the device, there are several key problems, it is a design of the cam organization which backs down the valve stem at first; Secondly it is motor urging the cam organization to rotate and belt running part; fix job is another important problem, because it gives vent to the air inlet and carry on high-pressure air when washing in air inlet, will overlay upward strength for the air cylinder , so we should do the fix job well .
Once the air inlet has some impurity or dust , it can not result in and sealing tightly, or the phenomenon of leaking gas, will influence the normal work of the engine like this, so it seems especially crucial to the design of the washing device of the air inlet . The design which washes the device is influenced the sealing that the engine jar covered directly, have very great influence on the work of the engine too, so it is very essential to design a set of intact , automobile , engine , operation principle,engine air cylinder jar overlay and production line carry on at the detailed foundation of exposition, overlay the production line to assemble into the design that the valve washed the device automatically after describing the engine jar of the automobile, Have finished the design of such main parts as this device of ensemble architecture and camorganization , electrical machinery , taking the transmission , air cylinder and washing ,etc. It has offered reference value for realizing the automatic device of production line of the automobile engine .
Keyword: Automobile engine ；Production line ；The jar covering ；The air inlet washing ；Dongan Engine 465Q
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