車輛專業(yè)綜合設(shè)計(jì)說(shuō)明書-動(dòng)力傳動(dòng)系統(tǒng)2481

設(shè)計(jì)題目：連續(xù)抽油桿作業(yè)車1綜合設(shè)計(jì) Contents任務(wù)1.1總體要求-------------------------------------------------------------------------------------------------31.2設(shè)計(jì)具體要求任務(wù)------------------------------------------------------------------------------------3-----------------------------------------------------4-------------------------------------------------------------------------------4第二章汽車底盤的選擇與性能校核2.1汽車底盤的選擇--------------------------------------------------------------------------------------5 第三章動(dòng)力傳動(dòng)系統(tǒng)設(shè)計(jì) 3.5分動(dòng)箱設(shè)計(jì)方案二-----------------------------------------------------------------------------------293.5.1齒輪的設(shè)計(jì)計(jì)算-----------------------------------------------------------------------------292綜合設(shè)計(jì)3.5.2軸的設(shè)計(jì)計(jì)算---------------------------------------------------------------------------------543.5.3軸承的選用------------------------------------------------------------------------------------60計(jì)總結(jié)4.1總結(jié)心得------------------------------------------------------------------------------------------------62----------------------------------------------64--------------------------------------------------------------------------693綜合設(shè)計(jì)天車及游車-大鉤、井架、靠近井口系統(tǒng)的裝配圖，編制計(jì)算說(shuō)明書。3)底盤選型按照車載設(shè)備初步設(shè)計(jì)的結(jié)果，進(jìn)行底盤的選擇。4)動(dòng)力傳動(dòng)系統(tǒng)設(shè)計(jì)5)車載設(shè)備的布局設(shè)計(jì)及整車性能分析6)液壓控制系統(tǒng)設(shè)計(jì)4綜合設(shè)計(jì)7)完成整車的總體設(shè)計(jì)8)進(jìn)行答辯，完成綜合設(shè)計(jì)。連動(dòng)力系統(tǒng)設(shè)計(jì)焦金陽(yáng)楊波其他成員配合選型發(fā)動(dòng)機(jī)及減速箱5綜合設(shè)計(jì)焦金陽(yáng)李敬忠董德寶說(shuō)明書編輯PPT答辯完成動(dòng)力傳動(dòng)圖形及力矩圖的繪制本次汽車底盤選型采用二類汽車底盤，運(yùn)行速度公路最高為80kM/h，野外h底盤選用流程圖底底盤型號(hào)裝載質(zhì)量性能校核6綜合設(shè)計(jì)所述，我們選用的底盤為東風(fēng)DFL1311A4/8×4，采用柴油機(jī)作業(yè)，最i=4.44，變速器型號(hào)為法士特9JS119T-其傳動(dòng)比i=[12.118.085.960g載載荷底盤旋轉(zhuǎn)質(zhì)量絞車質(zhì)夾持系統(tǒng)井架質(zhì)天車質(zhì)游車大鉤質(zhì)量102004000200020002200500500/Kg總重力為:GG1+G2+G3+G4+G5+G6+G7G=10200+4000+2000+2000++2200+500+500=21.4t2.2.1汽車動(dòng)力性(最高車速、加速時(shí)間、最大爬坡度)汽車的動(dòng)力性是指汽車在良好路面上直線行駛時(shí)由汽車受到的縱向外力決的最高車速u；2)汽車的加速時(shí)間t；3)汽車的最大爬坡度i。amaxmax7綜合設(shè)計(jì)選用的發(fā)動(dòng)機(jī)變速器型號(hào)為9JS119T-B，選定法士特變速器系列，傳動(dòng)比g0(1)由發(fā)動(dòng)機(jī)決定的最大爬坡度：tfw(2)由附著率決定的最大爬坡度：FzG1.40×9.8=203.840N?2x2z2C=?2x2z22.2.2汽車通過(guò)性(越野性)階、灌木叢、水障等)的能力。根據(jù)地面對(duì)汽車通過(guò)性的影響原因，它又分為支性、8綜合設(shè)計(jì)綜合設(shè)計(jì)靜止時(shí)，前端突出點(diǎn)向前輪所引切線與地面間的夾角，γ1越大，越不易發(fā)生觸。制動(dòng)性是指汽車行駛時(shí)能在短距離內(nèi)停車且維持行駛方向穩(wěn)定性和在下長(zhǎng)坡時(shí)車的制動(dòng)距離或制動(dòng)時(shí)汽車的減速度。上進(jìn)行制動(dòng)，故制動(dòng)減速度為：msS=1(τ’﹢τ”/2)·uao﹢???2=11.2<12m3.625.92?????bmaxfS=1(τ’﹢τ”/2)·uao﹢?2??<12m3.625.92?????9綜合設(shè)計(jì)綜合設(shè)計(jì)而不傾翻的最大臨界坡角λ，此穩(wěn)定角也稱為橫向極限傾角。由圖2可以求maxGGλ2h由式(1)可得2h將B，h值代入式(2)得 2h2?1725綜合設(shè)計(jì)速泵泵冷卻泵綜合設(shè)計(jì)2100r/minminminrmin綜合設(shè)計(jì)綜合設(shè)計(jì)發(fā)動(dòng)機(jī)1510HB，取平均為195HB。齒面接觸疲勞強(qiáng)度計(jì)算綜合設(shè)計(jì)綜合設(shè)計(jì)轉(zhuǎn)矩T1：T1=9.55×106?=9.55×10620=1.07×106N·mm?10001?1500齒輪傳動(dòng)比u：u1=?1=2100=1.?15002u2=?1=2100=1.172?′180002dd初步計(jì)算的許用接觸應(yīng)力[σH]：HHlim1σ=0.9σ=0.9×HHlim116×1.1綜合設(shè)計(jì)綜合設(shè)計(jì)??1?1??1?1=?×190×2100=20.8m/s60×100060×1000zziz≈43iziz綜合設(shè)計(jì)綜合設(shè)計(jì)F=2?1=2×1.07×106=26750Nt?180?1901.69；εα2=1.68ε=?????=190×???13.17°=2.755β????×5綜合設(shè)計(jì)綜合設(shè)計(jì)HHZZHH+1.9螺旋角系數(shù)Zβ：Zβ=√????=√???13.17°=0.99HlimHlimHlimHlimLNL9N0=1.944×接觸壽命系數(shù)ZN：由圖12.18ZN1=0.96Z=0.99Z=0.99N21N22?1.05許用接觸應(yīng)力[σH]：[σH1]=σ????1??1=580×0.96?1.05?????1.05[σH21]=σ????2??21=580×0.99?1.05????綜合設(shè)計(jì)綜合設(shè)計(jì)?1.05[σH22]=σ????2??22=580×0.99?1.05????Z.8×2.42×0.77×0.99×√·d21=i1d1=266mmd22=i2d1=222mm故b1=200mmb21=b22=190mm綜合設(shè)計(jì)綜合設(shè)計(jì)a211f1a211f1a222f1a222f138Z=?21=56Zv22=?22=46Y=2.321.68 =3.797??1??11.69×0.692綜合設(shè)計(jì) 4.43=3.794??2??21.68×0.695K=1.68/0.9772=1.76＜??2Fα2??2??2故bh5×3)=29.6K=KKKK=1×1.1×1.76×1.24=2.42AvFα2FβFF???????[σF21]=????????[σF22]=????????綜合設(shè)計(jì)綜合設(shè)計(jì)彎曲疲勞極限?????：由圖12.23c?????1=580Mpa?????2=420Mpa彎曲最小安全系數(shù)SFmin：由表12.14S彎曲壽命系數(shù)YN：由圖12.24YN1=0.87Y=0.90N21Y=0.89N221.25代入上式[σF1]=580×0.87×1.0=403.681.251.25[σF21]=420×0.90×1.0=302.441.251.25[σF22]=420×0.89×1.0=299.041.25驗(yàn)算σF1=YFa1YSa1YεYβ1??=2×1.507×1.07×106×2.4×1.68×0.695×0.89190×170×5F21F1×???1·???1=44.56×2.32×1.722.4×1.68綜合設(shè)計(jì)綜合設(shè)計(jì)σ=σ???22·???22F22F1×???1·???1=44.56×2.36×1.702.4×1.68n100r/minP1=235Kw2T=9550×235=1068.7N·m221003T=9550×159=682.1N·m321001500T4=9550×10=63.7N·1500綜合設(shè)計(jì)綜合設(shè)計(jì)PKwT1=132.6N·mβ=13.17°F=t2?1=2×132.6×103=8840N?301F=???????=8840×tan20°=3304N???????????13.17°水平面反力F’=?·260﹣?·111??=3304×260﹣2068×111=1259N500500F’==3304×240﹢2068×111=2117N500500500500垂直面反力FR1”=8040×260=4597500F”=8040×240=4243N5綜合設(shè)計(jì)綜合設(shè)計(jì)圖10軸受轉(zhuǎn)矩T=T=132600N·mm許用應(yīng)力值[σ-1b]=60Mpa?1?=?1?=?0?102.5當(dāng)量彎矩M=√?2＋(??)2=√1165052＋(78234)2=140335N·m綜合設(shè)計(jì)綜合設(shè)計(jì)綜合設(shè)計(jì)對(duì)應(yīng)軸對(duì)應(yīng)軸輸入軸主軸泵冷卻泵輔泵1輔泵2輸出軸軸承輸出軸輸出軸號(hào)軸徑(mm)類型06Cr=51.8kNCor=63.8kNY=1.6e0.37F=??1=45972?2?2×1.6F=??2=4243=1325.9375N2?F=F=1436.5625Na1s1F=F+F=3504.5625Na1s1a綜合設(shè)計(jì)綜合設(shè)計(jì)?4597X、Y值：??1=1325.9375=0.3125＜e，查表18.7X1=1Y1?4597?1?4243??2=3504.5625=0.526＞e，查表18.7X2=0.4Y?4243?2f=1.0沖擊載荷系數(shù)：考慮運(yùn)行平穩(wěn)，查表18.7f=1.0=1×(1×4579＋0×1436)2d2r22a2P=2d2r22a2=1×(0.4×4243＋1.1×3504)L=16670(Cr)?2?P2=16670(51800)321005551.6565.37h＞13000h綜合設(shè)計(jì)第一對(duì)齒輪(錐齒輪)1綜合設(shè)計(jì)1綜合設(shè)計(jì)使用系數(shù)KA：由表12.9KA=1.0動(dòng)載系數(shù)KV：由圖12.9KV=1.17cosδ1=√?1=√11=0.7cosδ2=√?1=√11=0.7z=?1=35=50v1????0.7z=?2=35=50v2????0.72=[1.88–3.2(1+1)]cosβ50508z=√4???==√4?1.8=0.857ε33KK=1=Hα??20.8572H綜合設(shè)計(jì)綜合設(shè)計(jì)AVHαHβAVHαHβ彈性系數(shù)ZE：由表12.12ZE=189.8√Mpa節(jié)點(diǎn)區(qū)域系數(shù)ZH：由圖12.16ZH=2.5接觸最小安全系數(shù)SHlim：由表12.14SHlim=1.05接觸壽命系數(shù)ZN：由圖12.18ZN1=ZN2=1.0大輪大端分度圓直徑d1：取φR=0.34.7??0.3(1?0.5×0.3)2×1648=√34.7×2.96×10686900.3(1?0.5×0.3)2×1648綜合設(shè)計(jì)綜合設(shè)計(jì)mVm===28.33m/s(與估計(jì)值接近)Ft=1==8297N?112√1－???2?112√1－???2?1=0.3×303.07=63.66mm2√1－0.72??=??1.0×8297=130.3N/mm＞??=?63.66(與估計(jì)值相符)大端模數(shù)m：m=?1=303.07=3.98mm?761mm綜合設(shè)計(jì)綜合設(shè)計(jì)2222齒形系數(shù)YFa：由圖12.21YFa1=2.17YFa2=217應(yīng)力修正系數(shù)YSa：由圖12.22YSa1=1.95YSa2=1.95AvFα1FβAvFα1Fβ彎曲疲勞極限?????：由圖12.23c?????1=600Mpa彎曲最小安全系數(shù)SFmin：由表12.14?????2=570MpaS=1.25彎曲壽命系數(shù)YN：由圖12.24尺寸系數(shù)YX：由圖12.25Y=Y=1.0N21N22Y=1.0X綜合設(shè)計(jì)綜合設(shè)計(jì)[σF2]＞???????2??=579×1.0×1.0=456Mpa?????1.25??(1﹣0.5??)2?12?3√?2??(1﹣0.5??)2?12?3√?2﹢1=4.7×2.96×10686900.3×0.852×762×43√2×2.17×1.95×0.68σ=σ?·???2??2F2F1×???1·???1Cr1~286HB，取平均為260HB。綜合設(shè)計(jì)綜合設(shè)計(jì)應(yīng)力[σH]：=82×√3×11=圓周速度v：v=????×150×210011=60×100060×1000精度等級(jí)：由表12.6選6級(jí)精度綜合設(shè)計(jì)綜合設(shè)計(jì)??2.0454使用系數(shù)KA：由表12.9KA=1.5動(dòng)載系數(shù)KV：由圖12.9KV=1.1873102=β?????=???1tanβ=1×73tan12.1°=5.47????????γαβαt=arctan?????γαβαt=arctan?????=arctan???20=25°25’2”???????12.1°=???12.1°cos20°/cos25°25’2”=0.98綜合設(shè)計(jì)K=A+B(?)2+C·10-3bHβ?11.5×1.18×1.79×1.31=4.15彈性系數(shù)ZE：由表12.12ZE=189.8√Mpa節(jié)點(diǎn)區(qū)域系數(shù)ZH：由圖12.16ZH=2.42 Zβ=√????=√???13.76°=0.98接觸最小安全系數(shù)SHlim：由表12.14SHlim=1.05綜合設(shè)計(jì)綜合設(shè)計(jì)接觸壽命系數(shù)ZN：由圖12.18ZN1=1.18ZN2=1.25?1.05許用接觸應(yīng)力[σH]：[σH1]=σ????1??1=710×1.18?1.05?????1.05[σH2]=σ????2??2=580×1.25?1.05????22d?+11.4+1即d1=2a=2×180?+11.4+1d2=id1=210mm故b=140mm綜合設(shè)計(jì)綜合設(shè)計(jì)Z=?2=102=111v21???3????313.26°由圖12.21YFa1=2.23YFa2=2.17由圖12.22YSa1=1.78YSa2=1.8373102Y=0.25﹢0.75=0.25﹢0.75=0.68ε???1.72??1=7.23=6.18????1.72×0.68綜合設(shè)計(jì)綜合設(shè)計(jì)bh5×2)=23.3K=1.31AvFα1FβK=KK1AvFα1Fβ彎曲疲勞極限?????：由圖12.23c?????1=600Mpa彎曲最小安全系數(shù)SFmin：由表12.14彎曲壽命系數(shù)YN：由圖12.24尺寸系數(shù)YX：由圖12.25Y=0.90NY=1.0X?????2=450MpaS=1.25FminY=0.97N代入上式[σF1]=?????1??1???????==456MpaF1??Fa1Sa1εβ驗(yàn)算F1??Fa1Sa1εβ1??=2×4.12×136428.6×2.23×1.78×0.68×0.89150×150×2σ=σ???22·???2F22F1×???1·???1綜合設(shè)計(jì)綜合設(shè)計(jì)=60.01×2.17×1.832.23×1.18Cr~286HB，取平均為260HB。轉(zhuǎn)矩T1：T1=9.55×106?=9.55×10625+10=159167N·mm?12100初步計(jì)算的許用接觸應(yīng)力[σH]：綜合設(shè)計(jì)綜合設(shè)計(jì)ds使用系數(shù)KA：由表12.9KA=1.5動(dòng)載系數(shù)KV：由圖12.9KV=1.18綜合設(shè)計(jì)綜合設(shè)計(jì)F=2?1=2×159167=3537Nt?190????=1.5×2122.23=58.95N·mm＜100N·mm?903541ε=?????=???1tanβ=1×35tan13.54°=2.68β?????4=???13.54°cos20°/cos21°31’28”=0.98K=A+B(?)2+C·10-3bHβ?1綜合設(shè)計(jì)綜合設(shè)計(jì).31彈性系數(shù)ZE：由表12.12ZE=189.8√Mpa節(jié)點(diǎn)區(qū)域系數(shù)ZH：由圖12.16ZH=2.451+1=1+131.663接觸最小安全系數(shù)SHlim：由表12.14SHlim=1.05接觸壽命系數(shù)ZN：由圖12.18ZN1=1.18ZN2=1.25710×1.1.05580×1.25580×1.25=690Mpa1.05綜合設(shè)計(jì)綜合設(shè)計(jì)=189.8×2.45×0.78×0.98×√·1?+11.17+1即d1=2a?+11.17+1d2=id1=105mm故Z=?2=45v21???3?Y=2.41Y=2.37綜合設(shè)計(jì)綜合設(shè)計(jì)Y=1.68Y=1.7......ε1.68 ??1=4.34=3.73????1.66×0.7K=1.72＜??1故K=1.72F??1??1FαK=1.3綜合設(shè)計(jì)綜合設(shè)計(jì)K=KKKK=1.5×1.18×1.72×1.3=41AvFα1Fβ彎曲疲勞極限?????：由圖12.23c?????1=600Mpa?????2=450Mpa彎曲最小安全系數(shù)SFmin：由表12.14SFmin=1.25彎曲壽命系數(shù)YN：由圖12.24Y=0.90NY=0.97N尺寸系數(shù)YX：由圖12.25YX=1.0?1.25代入上式[σF1]=?????1??1??=600×0.9×1.0?1.25?????1.25[σF2]=?????2??2??=450×0.97×1.0?1.25????1??=2×4×159167×2.41×1.68×0.7×0.88790×90×2.5σ=σ???22·???2F22F1×???1·???1.87×2.37×1.72.41×1.68綜合設(shè)計(jì)綜合設(shè)計(jì)Cr~286HB，取平均為260HB。轉(zhuǎn)矩T1：T1=9.55×106?=9.55×10635=185694N·mm?18001初步計(jì)算的許用接觸應(yīng)力[σH]：初步計(jì)算的小齒輪直徑d1：d1≥Ad√3???]2·?1=82×√3×綜合設(shè)計(jì)綜合設(shè)計(jì)??1?160×1000??1?160×100060×1000精度等級(jí)：由表12.6選8級(jí)精度??2.57使用系數(shù)KA：由表12.9KA=1.25動(dòng)載系數(shù)KV：由圖12.9KV=1.26????=1.5×4126.5=57.31N·mm＜100N·mm?90綜合設(shè)計(jì)綜合設(shè)計(jì)3542ε=?????=???1tanβ=1×35tan13.54°=2.68β?????εγ=εα＋εβ=1.66＋2.68=4.34???????13.54°αt=arctan?????=arctan???????13.54°=???13.54°cos20°/cos21°31’28”=0.98Hβ?1AVHαHβAVHαHβ31綜合設(shè)計(jì)綜合設(shè)計(jì)彈性系數(shù)ZE：由表12.12ZE=189.8√Mpa節(jié)點(diǎn)區(qū)域系數(shù)ZH：由圖12.16接觸最小安全系數(shù)SHlim：由表12.14SHlim=1.05接觸壽命系數(shù)ZN：由圖12.18ZN1=1.18ZN2=1.25710×1.1.05580×1.25580×1.25=690Mpa1.05=189.8×2.45×0.78×0.986×√2×3.55×185694·1.2+19031.2綜合設(shè)計(jì)綜合設(shè)計(jì)d2=id1=108mm故35Zv21=?2=42=78???3????313.54°由圖12.21YFa1=2.41YFa2=2.37Y=1.68Y=1.7? ?1???2.68.68綜合設(shè)計(jì)38450.750.750.750.75??1=4.34=3.73????1.72×0.7K=1.72＜??1故K=1.72F??1??1FαK=1.3彎曲疲勞極限?????：由圖12.23c?????1=600Mpa?????2=450Mpa??????????綜合設(shè)計(jì)彎曲最小安全系數(shù)SFmin：由表12.14SFmin=1.25彎曲壽命系數(shù)YN：由圖12.24Y=0.90NY=0.97N尺寸系數(shù)YX：由圖12.25YX=1.0??????????1.25=450×0.97×1.0=349Mpa=1.25=2×3.52×185694×2.41×1.68×0.887×0.790×90×2.5??2??2F22F1×???1·???17×1.72.41×1.68a1800輸出軸1接輔助泵1n1=1800r/minP=25KwT1=9550×25=132.6N·1800綜合設(shè)計(jì)綜合設(shè)計(jì)45#鋼調(diào)制2T=9550×235=1068.7N·m221002100P3=150KwT3=9550×159=682.1N·21001500P4=10KwT4=9550×10=63.7N·1500PKwT1=1680N·m綜合設(shè)計(jì)綜合設(shè)計(jì)F=t2?2×1.68×106 4=2?2×1.68×106?254160垂直160垂直