【正文】 不了專用裝置多樣化的需求。取力器從汽車的傳動(dòng)系統(tǒng)取力，主要是經(jīng)過變速箱設(shè)計(jì)時(shí)預(yù)留的取力窗口取力，也有少數(shù)從發(fā)動(dòng)機(jī)的飛輪取力，如水泥攪拌車的取力。專用裝置實(shí)現(xiàn)其專用功能的動(dòng)力從那里來。目前我國的專用汽車已有200多個(gè)類型，1000多個(gè)品種。據(jù)有關(guān)資料顯示，中重型改裝后的專用汽車占總產(chǎn)量的50％左右；輕、微型也占到22％。s research and development from a promising industry, and to seize business opportunities is essential. Special Purpose Vehicle in China is a sunrise industry, the rapid development of modified depot, in a market economy under the law, will inevitably move towards the survival of the fittest, to mature, the same parts and ponents related. Also check power and the types of devices to match the pump, the domestic variety, quality is also constrained the development of the main points of professional automotive and domestic professional pumps, air pumps in the varieties, specifications, quality and service far from enough to meet the needs of professional automotive, in pumps, tanks, valves, meters and other ponents may also have room for development.譯文：首先分析我國的專用汽車市場。s business from strength to bear the role of convergence. Special Purpose Vehicle of the rapid development of power devices from the contradiction between the slow development of an increasingly prominent lag. There is market demand, a result, low technological contents, the check shoddy device will have a market power, detrimental to the healthy development of Special Purpose Vehicle, which requires trade associations to regulate the market. Led by the industry associations to set up a set of R amp。s future. What is the admission of Power? Take power in the Special Purpose Vehicle in what role? Special Purpose Vehicle in two parts: The first dedicated vehicle chassis from the major power on the Special Purpose Vehicle Research from market analysis and automobile plant manufacturing, high universality. Second, a dedicated device is a dedicated vehicle to achieve its special features the work of installation, modification by depot manufacturing, professional and strong. Special devicespecific functions to achieve its power e from. But also from the chassis to the transmission system, how to lose power transmission devices dedicated to rely on the check on the pletion of power devices. Check the engine power is lost to the power of a special devicespecific ponents. Force39。wj=.*sqrt(2.*Tg1*E./(rz*sin(a))/cos(bb).^2.+(rb*sin(a)))./cos(bb).^2.*dz.*b)) %δj(2)wjzw=.*sqrt(2.*Tg2*E./(rzzw*sin(a))/cos(bb).^2.+(rbzw*sin(a)))./cos(bb).^2.*dzzw.*bzw)) %δj(3)wjw=.*sqrt(2.*Tg2*E./(cosa*cosaw*(rzw*sin(a))/cos(bb).^2.+(rbw*sin(a)))./cos(bb).^2.*dzw.*bw)) )%δj(1)附錄二 專業(yè)外文翻譯英文原文：Analysis of the first dedicated automotive market. Special Purpose Vehicle is to adapt to different uses in the General Motors chassis special modified car. Special Purpose Vehicle the world39。rbzw=*dbzzw。rzw=.*dzw。db=m.*z。%αaw=*pi/180。%螺旋角。%斜齒輪kf1=。mn=[m1]。kc=[7]。 y3=。z2=29。bbbbt=sqrt(bbbb^2+t^2)。bbbb=32*M/(pi*d^3)%δT=372800。d=45。a7=200。a3=120。bb7=20*pi/180。d8=30。 附錄一1軸的校核程序Temax=157*10^3。結(jié)構(gòu)設(shè)計(jì)合理，基本可以用于實(shí)際生產(chǎn)和使用。取力器是貨車的重要組成部分，它將發(fā)動(dòng)機(jī)的動(dòng)力通過發(fā)動(dòng)機(jī)飛輪經(jīng)離合器從動(dòng)盤、 變速器輸入軸或中間軸傳到需要驅(qū)動(dòng)，所以選擇合理取力器的類型，功率和轉(zhuǎn)速由為重要。取力器箱體底部為斜面，向變速器箱體內(nèi)傾斜，達(dá)到潤滑的目的。而且片狀石墨使灰口鐵具有良好的消震性，減磨性和切削加工性。軸材料選用20CrMnTi鋼比較合適。且滲碳速度較快，過渡層較均勻，滲碳淬火后變形小。齒輪油應(yīng)具有良好的抗磨、耐負(fù)荷性能和合適的粘度。零件圖如圖44所示。漸開線花鍵齒數(shù)Z=33壓力角α=30176。工序：10 銑端面，打中心孔；20 粗車外圓（φ40長48部分，φ47部分）；30 粗車外圓（φ37部分，φ40長40部分）；40 精車外圓（φ40長48部分，φ47部分）；50 精車外圓（φ37部分，φ40長40部分）；60 倒圓角；70 兩端倒角；80中間檢驗(yàn)；90 滾軸端花鍵；100 滾中間花鍵；110 磨外圓；120 鉆螺紋孔；130 攻螺紋；140 去毛刺；150 最終檢驗(yàn)。二軸齒輪用軸承選用兩個(gè)32908圓錐磙子軸承，受力與以上軸承相同，作用點(diǎn)距離 L=16mm＜84mm；合格取力器一軸平鍵不傳遞大的轉(zhuǎn)矩，只做連接齒輪1與一軸用，取轉(zhuǎn)矩T=10N。一、二軸受力分析二軸齒輪2受力：轉(zhuǎn)矩T=450000Nmm；分度圓直徑：=；F===；徑向力 =Ftan=tan20176。mm 截面的計(jì)算工作應(yīng)力： 許用疲勞應(yīng)力：291MPa 結(jié)論：彎曲應(yīng)力校核通過利用《機(jī)械設(shè)計(jì)手冊軟件版》完成取力器軸承的選用一、一軸受力分析一軸齒輪1受力：轉(zhuǎn)矩：T=450000Nmm；分度圓直徑：=；F===；徑向力：=Ftan=tan20176。mm截面的計(jì)算工作應(yīng)力： 許用疲勞應(yīng)力：291MPa45mm處彎曲應(yīng)力校核通過 危險(xiǎn)截面的x坐標(biāo)：60mm 直徑：48mm危險(xiǎn)截面的彎矩M：=(度)四、強(qiáng)度校核數(shù)據(jù)　　齒輪1接觸強(qiáng)度極限應(yīng)力 σHlim1=(MPa)　　齒輪1抗彎疲勞基本值 σFE1=(MPa)　　齒輪1接觸疲勞強(qiáng)度許用值 [σH]1=(MPa)　　齒輪1彎曲疲勞強(qiáng)度許用值 [σF]1=(MPa)　　齒輪2接觸強(qiáng)度極限應(yīng)力 σHlim2=(MPa)　　齒輪2抗彎疲勞基本值 σFE2=(MPa)　　齒輪2接觸疲勞強(qiáng)度許用值 [σH]2=(MPa)　　齒輪2彎曲疲勞強(qiáng)度許用值 [σF]2=(MPa)　　接觸強(qiáng)度用安全系數(shù) SHmin=　　彎曲強(qiáng)度用安全系數(shù) SFmin=　　接觸強(qiáng)度計(jì)算應(yīng)力 σH=(MPa)　　接觸疲勞強(qiáng)度校核 σH≤[σH]=滿足　　齒輪1彎曲疲勞強(qiáng)度計(jì)算應(yīng)力 σF1=(MPa)　　齒輪2彎曲疲勞強(qiáng)度計(jì)算應(yīng)力 σF2=(MPa)　　齒輪1彎曲疲勞強(qiáng)度校核 σF1≤[σF]1=滿足　　齒輪2彎曲疲勞強(qiáng)度校核 σF2≤[σF]2=滿足五、強(qiáng)度校核相關(guān)系數(shù)　　齒形做特殊處理 Zps=特殊處理　　齒面經(jīng)表面硬化 Zas=不硬化　　齒形 Zp=一般　　潤滑油粘度 V50=110(mm^2/s)　　有一定量點(diǎn)饋 Us=不允許　　小齒輪齒面粗糙度 Z1R=Rz＞6μm(Ra≤1μm)　　載荷類型 Wtype=靜強(qiáng)度　　齒根表面粗糙度 ZFR=Rz＞16μm(Ra≤)　　刀具基本輪廓尺寸 　　圓周力 Ft=(N)　　齒輪線速度 V=(m/s)利用《機(jī)械設(shè)計(jì)手冊軟件版》完成取力器軸的計(jì)算和校核 取力器一軸的設(shè)計(jì)過程：一、確定軸的最小直徑如下：所設(shè)計(jì)的軸是實(shí)心軸A值為：73 許用剪應(yīng)力范圍：40～52MPa最小直徑的理論計(jì)算值： 滿足設(shè)計(jì)的最小軸徑：37mm二、軸的結(jié)構(gòu)造型如下：軸各段直徑長度： 長度 直徑 15mm 40mm 30mm 42mm 40mm 48mm 15mm 40mm 軸的總長度：170mm 軸的段數(shù)：4軸段的載荷信息 三、支反力計(jì)算 距左端距離 水平支反力Rh1 垂直支反力Rv1 0N 距左端距離