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三速變速箱設(shè)計(jì)畢業(yè)設(shè)計(jì)-資料下載頁(yè)

2025-07-10 16:38本頁(yè)面

【導(dǎo)讀】變速箱是改變機(jī)床主運(yùn)動(dòng)速度的機(jī)構(gòu)。它可以單獨(dú)地裝在一個(gè)箱體內(nèi)構(gòu)成機(jī)。變速的方法包括通過(guò)變。更傳動(dòng)件的組合實(shí)現(xiàn)有級(jí)變速和采用機(jī)械的、液壓的或電力的機(jī)構(gòu)實(shí)現(xiàn)無(wú)級(jí)變速。本變速箱中變速的方式采用滑移齒輪實(shí)現(xiàn)三對(duì)齒輪的依次嚙合。采用滑移齒輪變速時(shí)﹐主軸必須停止或緩慢旋轉(zhuǎn)﹐但結(jié)構(gòu)比較簡(jiǎn)單。的指導(dǎo)下進(jìn)行的研究工作及取得的成果。已在文中作了明確的說(shuō)明并表示了謝意。包含任何其他個(gè)人或集體已經(jīng)發(fā)表或撰寫(xiě)的成果作品。做出重要貢獻(xiàn)的個(gè)人和集體,均已在文中以明確方式標(biāo)明。意識(shí)到本聲明的法律后果由本人承擔(dān)。許論文被查閱和借閱。涉密論文按學(xué)校規(guī)定處理。學(xué)習(xí)階段的最后一個(gè)環(huán)節(jié),它是我們步入社會(huì),走上工作崗位前的一次大練兵,程問(wèn)題的能力,使我們具備良好的職業(yè)素質(zhì)。本次畢業(yè)設(shè)計(jì)的題目是:三速變速箱設(shè)計(jì)。法,這是本次設(shè)計(jì)的缺點(diǎn)。造生產(chǎn)過(guò)程,從而大大方便了我們的設(shè)計(jì)。取V帶的傳動(dòng)效率帶?

  

【正文】 器 的工作原理,是 變速箱 裝配、調(diào)試、維護(hù)等的技術(shù)依據(jù),表明 變速箱 各零件的裝配和拆卸的可能性、次序及變速箱 的調(diào)整和使用方法。 二 、 變速箱裝配圖的繪制 (一) 視圖布局 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 40 選擇 3 個(gè)基本視圖,結(jié)合必要的剖視、剖面和局部視圖加以補(bǔ)充。 選擇主視圖作為基本視圖,它 將 變速箱 的工作原理和主要裝配關(guān)系集中反映在一個(gè)基本視圖上。 布置視圖時(shí)應(yīng)注意: a、 整個(gè)圖面應(yīng)勻稱(chēng)美觀(guān),并在右下方預(yù)留 變速箱 技術(shù)特性表、技術(shù)要求、標(biāo)題欄和零件明細(xì)表的位置。 b、 各視圖之間應(yīng)留適當(dāng)?shù)某叽鐦?biāo)注和零件序號(hào)標(biāo)注的位置。 (二 ) 尺寸的標(biāo)注 特性尺寸:用于表明 變速箱 的性能、規(guī)格和特征。如傳動(dòng)零件的中心距及其極限偏差等。 配合尺寸: 變速箱 中有配合要求的零件應(yīng)標(biāo)注配合尺寸。如:軸承與軸、軸承外圈與機(jī)座、軸與齒輪的配合、等應(yīng)標(biāo)注公稱(chēng)尺寸、配合性質(zhì)及精度等級(jí)。查表可知。 外形尺寸: 變速箱 的最大長(zhǎng)、寬、高外形尺寸表明裝配圖中整體所占空間。 安裝尺寸:變速箱箱體底面的長(zhǎng)與寬、 間距及其通孔直徑、外伸軸端的直徑、配合長(zhǎng)度及中心高等。 (三) 標(biāo)題欄、序號(hào)和明細(xì)表 : 說(shuō)明機(jī)器或部件的名稱(chēng)、數(shù)量、比 例、材料、標(biāo)準(zhǔn)規(guī)格、標(biāo)準(zhǔn)代號(hào)、圖號(hào)以及設(shè)計(jì)者姓名等內(nèi)容。查【 6】 中的國(guó)標(biāo) 和 標(biāo)題欄和明細(xì)表的格式。 裝備圖中每個(gè)零件都應(yīng)編寫(xiě)序號(hào),并在標(biāo)題欄的上方用明細(xì)表來(lái)說(shuō)明。 (四) 技術(shù)特性表和技術(shù)要求 技術(shù)特性表說(shuō)明 變速箱 的主要性能參數(shù)、精度等級(jí)、表的格式參考書(shū),布置在裝配圖右下方空白處。 技術(shù)要求包括 變速箱 裝配前、滾動(dòng)軸承游隙、傳動(dòng)接觸斑點(diǎn)、嚙合側(cè)隙、變速箱 的潤(rùn)滑、試驗(yàn)、包裝運(yùn)輸要求。 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 41 結(jié) 束 語(yǔ) 至此 ,全部設(shè)計(jì)任務(wù)均已完成,共繪制裝配圖,零件圖編寫(xiě)說(shuō)明書(shū), 三項(xiàng)任務(wù)。 通過(guò) 這次設(shè)計(jì),對(duì)四年所學(xué)專(zhuān)業(yè)課程以及基礎(chǔ)課等均有了比較系統(tǒng),全面的認(rèn)識(shí)。同時(shí)也發(fā)現(xiàn)了許多過(guò)去存在的問(wèn)題,例如:計(jì)算與較核齒輪,查有關(guān)手冊(cè)等等,經(jīng)過(guò)同學(xué)之間相互幫助,以及知道老師認(rèn)真幫助講解,終于克服了設(shè)計(jì)中的許多問(wèn)題,順利完成了設(shè)計(jì)任務(wù)。同時(shí)養(yǎng)成了查資料的良好習(xí)慣, 樹(shù)立起嚴(yán)肅求實(shí)的科學(xué)作風(fēng)。因此這次設(shè)計(jì)增加了我們綜合運(yùn)用所學(xué)知識(shí),解決實(shí)際問(wèn)題的能力。 通過(guò)這次設(shè)計(jì),使自己樹(shù)立了正確的設(shè)計(jì)思想,嚴(yán)謹(jǐn)求實(shí)的工作作風(fēng),培養(yǎng)了分析問(wèn)題,提出問(wèn)題,解決問(wèn)題的能力,為我們將來(lái)順利地步入工作崗位打下了許多堅(jiān)實(shí)的基礎(chǔ),使我們 更好地成為合格的工程技術(shù)人員,為我國(guó)的機(jī)械行業(yè)作出貢獻(xiàn)。 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 42 參考文獻(xiàn) 【 1】吳宗澤 .機(jī)械設(shè)計(jì) .武漢:華中科技大學(xué)出版社, 【 2】 成大先 .《機(jī)械設(shè)計(jì)手冊(cè)》化學(xué)工業(yè)出版社,第三版,第三卷,; 【 3】王世剛 .機(jī)械設(shè)計(jì)實(shí)踐 .哈爾濱:哈爾濱工程大學(xué)出版社, 20xx 【 4】姚云英 .公差配合與測(cè)量技術(shù) .北京:機(jī)械工業(yè)出版社, 【 5】王知行、劉廷榮 .機(jī)械原理 .北京:高等教育出版社, 20xx. 【 6】 王明珠 《工程制圖學(xué)及計(jì)算機(jī)繪圖》,國(guó)防工業(yè)出版社, 1998 年 8 月第一版; 【 7】 徐灝 .機(jī)械設(shè)計(jì)手冊(cè) .北京 :機(jī)械工業(yè)出版社 , 【 8】 鐘毅芳 .機(jī)械設(shè)計(jì) .第二版 .武漢:華中科技大學(xué)出版社, 【 9】 江耕華 .機(jī)械傳動(dòng)設(shè)計(jì)手冊(cè) .第二版(下冊(cè)) .北京:煤炭工業(yè)出版社, 【 10】 焦小明 .機(jī)械加工技術(shù) .北京:機(jī)械工業(yè)出版社, 【 11】 李 洪 .實(shí)用軸承手冊(cè) .沈陽(yáng):遼寧科學(xué)技術(shù)出版社, 【 12】 楊叔子 .機(jī)械加工工藝師手冊(cè) .北京:機(jī)械工業(yè)出版社, 【 13】 張秀親 .機(jī)械設(shè)計(jì)實(shí)踐 .哈爾濱:哈爾濱工程大 學(xué)出版社, 20xx 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 43 外文資料 Gear and gearbox Gear and gearbox (collectively Gear products) is the key industrial machinery based pieces, Almost all the outfits mechanical drive ponents are inseparable from Gear. As China gears enterprise under the planned economic system, have long been scattered in the original machinery industry (hereinafter referred to the Department of Mechanical) of the Industrial Development Bureau and the seven other eight Ministry of Industry related departments Management was scattered in the large and allembracing, small side of the mechanical factory production. Fragmentation, with all the departments of gear product standardization, specialization and market development. Gear industry research, standards, centralized intelligence work by mechanical science research center at the Zhengzhou Zhengzhou move machinery Institute. Gear specialization and the rapid development is only 20 years of reform and opening up things. In the past the government statistics, there is no plete statistics gear products. No sector can stand gear industry point of view, the analysis of gear products in the market good, Looking entire gear market development prospects. 1986 by the Ministry of mechanical apparatuses and joint investment in Zhengzhou Institute of mechanical preparation of national product quality gear Supervision and Test Center, and start a national Gear product quality supervision and sampling. 1989 documents issued by the Ministry of MachineBuilding Industry, set up a crosssectoral, Interministries of China Machinery Industry Association generic parts gear professional associations, Secretariat is located in the Department of Mechanical machinery Zhengzhou Institute. 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 44 1992 by the Ministry of Machine and the government of Henan Province below electromechanical Health (1992) No. 2069 set up When the Zhengzhou gear products and highlevel technical transactions, Deputy Minister Sun Changji Zhengzhou made a special trip to the ribboncutting. He Guangyuan Minister inscription for the market opened. 1995 by the China Association of gear mechanical assistance, prepared by the Ministry of Austin first gear industry on September 5 plan. Machinery in 1997 by the Ministry of Science and Technology Commission of China and the Association of gear published a joint editorial of the China39。s first Chinese products Gear Contents , catalog is fully reflect the good gear products industry, the most information, the most informative tool. Mechanical Department in 1997 in Beijing held a 97 39。China International Machinery mon parts and special equipment exhibition. Including gear bearings and exhibitions. It standardized the biennial exhibition of market transactions. International Exhibition and sale transactions of convergence. 30 years after the liberation of the planned economic system, China has spent a huge amount of foreign exchange, the introduction of a lot of gearcutting machines and Measuring Instruments, Gear products has not been well. The key problem is lack of specialized production and no standard market petition. 1980s to the 1990s, China39。s rapid development of the market economy, the industrial sector restructuring. Gear of production, and ancillary sales to break the original sectoral boundaries, professional production has developed rapidly. To be marketoriented, according to the laws of the market formed a vehicle with the gear system of the two major industrial gear. Gear for vehicles including cars, motorcycles, farm vehicles, farm machinery, engineering machinery supporting the largescale production of gear. Other metallurgical, construction, petroleum, chemical, mining, power, light industry, textiles, 畢業(yè)設(shè)計(jì)(論文)說(shuō)明書(shū) 45 railways, aviation, ships, and other industrial outfits matching gear products, collectively called industrial gear. Gear Works to break the existing sectoral boundaries, crosssectoral and interdepartmental support, and gradually enter the inter
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