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山西農業(yè)大學工程技術學院畢業(yè)論文 畢業(yè)設計說明書中文摘要 沙石振動篩的設計 摘要 十六大明確提出，我國在新世紀頭20年經濟建設的主要任務之一，是基本實現(xiàn)工業(yè)化，并鄭重提出“走新型工業(yè)化道路”?？墒窃谖沂〈蠖鄶?shù)沙石材料廠的沙石篩選過程還是走著最原始的人工運作，工具簡單，勞動強度大的老路。本設計正是我們在了解了家鄉(xiāng)大部分沙石場的實際情況后，運用我們所學知識為家鄉(xiāng)的中小規(guī)模的沙石場設計的一種篩分砂石的振動篩。 本設計的振動篩為自同步雙振動電機驅動的，其特點是結構簡單、安裝方便、成本低、容易操作及維護等。其篩箱為板梁鉚焊組合結構，由主副側板、管梁、入料擋板、出料板、篩板等組成，側板選用低合金壓力容器鋼板，強度高、可焊性好，周邊折彎，并在振動方向及沿縱向連接多根角鋼，使側板剛度大大增強，有利于強度的提高和噪音的降低。管梁由法蘭盤、無縫鋼管、加強槽鋼等組成，重量輕、強度大，便于制造安裝，具有互換性。加強槽鋼上有T形孔，使用T形螺栓，便于篩板的安裝維護，消除U形螺栓對管梁的磨損。工作原理：兩臺振動電機的型號相同，可以產生一種組合的直線振動。這種振動可以使輸送槽體中的物料運動，并與篩面發(fā)生碰撞，使小于篩孔的物料透過，從而實現(xiàn)物料的幾何分級，實現(xiàn)篩分?？傮w方案為：采用普通篩分法，振動形式為共振，運動軌跡為直線運動，激振方式為慣性式，隔振方式為一級隔振，隔振彈簧為金屬螺旋式隔振彈簧。 關鍵詞 振動篩; 篩箱; 振動電機 畢業(yè)設計說明書外文摘要 The design of gravel shaker Abstract Congress made it clear that in the new century, China's first 20 years of economic development one of the main tasks is the basic realization of industrialization, and solemnly to "take a new road to industrialization." However, in our province the majority of gravel sand and gravel plant materials selection process is the most primitive artificial walked to operate simple tools, the old labor-intensive. The design is exactly what we learned about the home in the sand most of the actual market situation, we have learned to use his knowledge of small and medium-sized gravel field design of a shaker screen sand and gravel. This topic shaker for self-synchronizing pair vibration motor-driven, Its characteristic is the structure simple, the installs convenient, the cost low, is easy to operate and the maintenance and so on. It sieves the box is board crossbeam riveting hitch welds built-up section, By host vice- side bar, Hollow beam, Enters the material back plate, Leaves material board, Sieves board and so on composition, The side bar selects the low-alloy pressure vessel steel plate, The intensity is high, The weldability is good, Peripheral knee bend, And in the vibration direction and along longitudinal connects themulti- roots angle steel, Causes the side bar rigidity big enhancement, Is advantageous to the intensity enhancement and noise reducing. Hollow beam by flange plate, Seamless steel pipe, Strengthens composition and so on channel steel, The weight light, the intensity is big, is advantageous for themanufacture installment, Has the interchangeability. Strengthens in the channel steel to have the T shape hole, Uses the T shape bolt, Is advantageous for screen board installs the maintenance, Eliminates the U shape bolt to the hollow beam attrition. Principle of work: Two vibrate the electrical machinery the model to be same, May have one kind of combination straight-line oscillation. This kind of vibration may cause in the transportation trough body thematerial movement, And has the collision with the screening surface, And has the collision with the screening surface, Thus realization material geometry graduation, Realization screening. The overall plan is: Uses the ordinary screening law, The vibration form for resonates, The path is the translation, Stirs up the strength vibration the way is the inertia type, The vibration isolation way is level of vibration isolations, The vibration isolation spring is the metal screw type vibrationisolation spring。 Keywords : Reciprocating coal conveyor Reducer Analysis Strength Check