專利名稱：陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn)子的制作方法
技術(shù)領(lǐng)域：
本實用新型涉及一種轉(zhuǎn)子，尤其涉及陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn) 子。
背景技術(shù)：
螺桿式壓縮機有一對相互嚙合的按一定傳動比反向旋轉(zhuǎn)的螺旋形轉(zhuǎn)子，水平且平 行配置于機體內(nèi)部，具有凸齒的轉(zhuǎn)子為陽轉(zhuǎn)子，通常為驅(qū)動轉(zhuǎn)子，具有凹齒的轉(zhuǎn)子稱為陰轉(zhuǎn) 子，通常為從動轉(zhuǎn)子。螺桿式壓縮機屬于容積式壓縮機，它利用一對相互嚙合的陰陽轉(zhuǎn)子在 機體內(nèi)作回轉(zhuǎn)運動，周期性地改變轉(zhuǎn)子每對齒槽間的容積完成吸氣、壓縮、排氣過程。螺桿式壓縮機轉(zhuǎn)子的公稱直徑DO的尺寸系列為100、125、160、200、250、315、400、 500、630mm等，轉(zhuǎn)子公稱直徑DO的尺寸越大，排氣量和功率越大。螺桿式壓縮機轉(zhuǎn)子在作回轉(zhuǎn)運動過程中由于吸排氣壓力差和型面氣體力的作用 而受到軸向力，為了平衡該軸向力，使壓縮機轉(zhuǎn)子運轉(zhuǎn)平穩(wěn)可靠，通常在壓縮機轉(zhuǎn)子的排氣 端設(shè)置軸向推力軸承。由于陽轉(zhuǎn)子齒形的端面面積比陰轉(zhuǎn)子齒形的端面面積大很多，陽轉(zhuǎn) 子受到的軸向力就大很多，其運轉(zhuǎn)平穩(wěn)可靠度比陰轉(zhuǎn)子差。螺桿式壓縮機轉(zhuǎn)子的齒形決定螺桿式壓縮機的性能。目前螺桿式壓縮機轉(zhuǎn)子的齒 形組成曲線有圓弧、擺線和橢圓及其包絡(luò)線等，但陰陽轉(zhuǎn)子的齒數(shù)比一般為6 5，陰陽轉(zhuǎn) 子的直徑差較大，陰轉(zhuǎn)子直徑較小，通常陽轉(zhuǎn)子1的直徑Dl = (1+0. 05)DO,陰轉(zhuǎn)子2的直徑 D2 = (0.85 0.87)D0，大大小于陽轉(zhuǎn)子1直徑Dl的17% 19%，不適合陰轉(zhuǎn)子驅(qū)動陽轉(zhuǎn) 子，且因轉(zhuǎn)速比為1.2倍，對螺桿式壓縮機排氣量的提高有限；由圓弧、擺線及其包絡(luò)線組 成的螺桿式壓縮機轉(zhuǎn)子的齒形存在尖點棱角，不利于加工和檢測，噪聲較大。
發(fā)明內(nèi)容本實用新型的目的在于克服上述現(xiàn)有技術(shù)的不足而提出易于加工，嚙合面光滑， 密封性好，陰陽轉(zhuǎn)子的直徑差小，可互換驅(qū)動轉(zhuǎn)子，振動小，噪聲低，減小陽轉(zhuǎn)子1的軸向 力，提高軸承的使用壽命，提高螺桿式壓縮機的排氣量和效率的陰轉(zhuǎn)子直徑等于公稱直徑 的螺桿式壓縮機轉(zhuǎn)子。本實用新型的目的可以通過如下措施來達到參見附圖，陰轉(zhuǎn)子直徑等于公稱直 徑的螺桿式壓縮機轉(zhuǎn)子，它包含陽轉(zhuǎn)子1和陰轉(zhuǎn)子2，其特征在于陽轉(zhuǎn)子1和陰轉(zhuǎn)子2的齒 形為雙邊非對稱，齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽轉(zhuǎn)子的齒數(shù)比為7 5， 轉(zhuǎn)子公稱直徑為DO時，陽轉(zhuǎn)子1的直徑Dl = DO+(0. 04 0. 05) DO,陰轉(zhuǎn)子2的直徑D2 = DO,陰陽轉(zhuǎn)子的中心距A = (0. 82 0. 83)DO。本實用新型同現(xiàn)有技術(shù)相比可產(chǎn)生如下積極效果1.轉(zhuǎn)子的齒形組成曲線為圓弧和橢圓及其包絡(luò)線，接觸線短，泄漏三角形小，嚙合 平穩(wěn)，密封性好，效率高；2.各組成齒形曲線間光滑連接，型線上無尖點，便于加工和檢測，流線性好，噪聲低；3.節(jié)圓處成點嚙合，使整個嚙合線均可形成油膜；4.齒形為雙邊非對稱，陰陽轉(zhuǎn)子直徑調(diào)整方便，轉(zhuǎn)子間力矩分配合理，振動?。?.陰轉(zhuǎn)子直徑的增大，使陽轉(zhuǎn)子齒形的端面面積減小，從而使陽轉(zhuǎn)子所受軸向力 減小，其運轉(zhuǎn)平穩(wěn)可靠度得到提高，軸承的使用壽命得到提高；6.陰陽轉(zhuǎn)子的齒數(shù)比為7 5，轉(zhuǎn)速比為1.4倍，陰陽轉(zhuǎn)子直徑相差不大，轉(zhuǎn)子剛 度接近，承載能力高，可用于壓差和壓比較大的工況，可實現(xiàn)陰轉(zhuǎn)子1驅(qū)動陽轉(zhuǎn)子2，減少壓 縮機的開發(fā)系列。我們知道，一種規(guī)格轉(zhuǎn)子的螺桿式壓縮機當(dāng)R22制冷劑更換成R134a制冷劑時，其 制冷量和功率降低至0. 7左右，也就是說，要制冷量不變，通常的技術(shù)是用大一個規(guī)格轉(zhuǎn)子 的螺桿式壓縮機。而采用本實用新型的技術(shù)，陰陽轉(zhuǎn)子的齒數(shù)比為7 5，轉(zhuǎn)速比為1.4倍， 不用增大一個規(guī)格轉(zhuǎn)子，就用原規(guī)格轉(zhuǎn)子實現(xiàn)了制冷量不變，且因排氣量的提高，容積效率 將提高，壓縮機性能也就提高；對該規(guī)格轉(zhuǎn)子螺桿式壓縮機而言，因轉(zhuǎn)子規(guī)格相同就可壓縮 機的鑄件通用，因轉(zhuǎn)子齒形通用則加工齒形的刀具通用，從而可以減少機型的開發(fā)和刀具 的投入，可以大大節(jié)省開發(fā)成本，加快開發(fā)進度，使螺桿式壓縮機有更廣的應(yīng)用領(lǐng)域。
附圖是本實用新型陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn)子的結(jié)構(gòu)示意圖。圖中1.陽轉(zhuǎn)子，2.陰轉(zhuǎn)子
具體實施方式
以下結(jié)合附圖對本實用新型的具體實施方式
作詳細說明。實施例陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn)子，它包含陽轉(zhuǎn)子1和陰轉(zhuǎn) 子2，陽轉(zhuǎn)子1和陰轉(zhuǎn)子2的齒形為雙邊非對稱，其齒形的組成曲線為圓弧和橢圓及其包絡(luò) 線，陰陽轉(zhuǎn)子的齒數(shù)比為7 5，轉(zhuǎn)子公稱直徑為DO時，陽轉(zhuǎn)子1的直徑Dl =DO+(0.04 0. 05) DO,陰轉(zhuǎn)子2的直徑D2 = DO,陰陽轉(zhuǎn)子的中心距A = (0. 82 0. 83) DO,公稱直徑DO =200mm的陽轉(zhuǎn)子1和陰轉(zhuǎn)子2以其中心點為坐標(biāo)原點且無間隙的轉(zhuǎn)子型線坐標(biāo)如下，其 他公稱直徑系列的轉(zhuǎn)子型線坐標(biāo)為所述公稱直徑DO = 200mm轉(zhuǎn)子型線坐標(biāo)的D0/200倍 數(shù)陽轉(zhuǎn)子陰轉(zhuǎn)子[0021]序號XlYlX2Y2[0022]141.88761598-49.7033965481.2829018658.2502349[0023]242.26656293-49.38963881.5866182857.81362222[0024]342.65099305-49.0824530281.8780017557.36861971[0025]443.0408674-48.7818603682.1568525756.91553235[0026]543.43614478-48.4878715282.4229796456.45467067[0027]643.83678296-48.2004898982.6762005555.98635051[0028]744.24274007-47.9197099482.9163417755.51089285[0029]844.65397601-47.645516583.1432387255.02862353[0030]945. 07045398-47. 3778840383. 3567358954.53987308[0031]1045. 49214211-47. 1167758983.5566869654.04497646[0032]1145. 9190152-46.8621436683.742954953.54427286[0033]1246.35105661-46.6139264783.9154120453.03810542[0034]1346.78826031-46.3720502984.073940252.52682106[0035]1447.23063308-46.1364272784.2184307252.01077017[0036]1547.67819692-45. 9069550484.3487845851.49030644[0037]1648.13099165-45. 6835159384.4649124450.96578656[0038]1748.58907778-45. 4659762984.5667347150.43757002[0039]1849.05253961-45.2541855784.6541816149.90601883[0040]1949.52148869-45.0479755284.7271932149.37149728[0041]2049.99606756-44.8471591684.7857194748.83437171[0042]2150.47645388-44.6515297184.8297202748.29501024[0043]2250.962865-44.4608593584.8591654747.75378252[0044]2351.45556297-44.2748978484.8740348847.21105949[0045]2451.95486008-44.0933708784.8743183146.66721309[0046]2552.46112495-43.9159781984.8600155646.12261605[0047]2652.97478927-43.742391484.8311364445.57764162[0048]2753.49635525-43.5722513684.7877007545.03266328[0049]2854.02640374-43.4051650784.7297382444.48805455[0050]2954.56560326-43.2407020684.6572886543.94418866[0051]3055.11471988-43.0783899784.5704016343.40143836[0052]3155.67462799-42.9177093684.4691367242.86017562[0053]3256.24632211-42.7580874684.3535633342.32077139[0054]3356.83092971-42.5988907184.2237606641.78359537[0055]3457.42972502-42.4394158284.0798176841.24901569[0056]3558.0441439-42.2788791383.9218330440.71739873[0057]3658.67579969-42.1164038183.7499150140.18910884[0058]3759.32649982-41.9510047383.5641814239.66450809[0059]3859.99826316-41.7815703883.3647595639.143956[0060]3960.69333776-41.606841583.1517860938.62780933[0061]4061.41421859-41.4253858282.9254069938.11642184[0062]4162.16366471-41.235568482.6857774137.61014399[0063]4262.94471533-41.0355169182.4330615737.10932276[0064]4363.76070368-40.8230812882.1674326736.6143014[0065]4464.61526777-40.5957871781.8890727636.12541916[0066]4565.5123565-40.3507825981.5981726135.64301111[0067]4666.45622959-40.0847773481.294931635.16740785[0068]4767.45144944-39.7939750280.9795575434.69893535
11[0069]4868.50286262-39.4739974680.6522665934.23791467[0070]4969.61556866-39.1198020480.3132830533.78466177[0071]5070.79487347-38.7255925379.9628392433.33948729[0072]5172.04622457-38.2847247979.6011753332.90269633[0073]5273.37512552-37.7896092379.2285392132.47458824[0074]5374.78702684-37.2316126978.8451862432.05545643[0075]5476.28719123-36.60096378.4513791731.64558815[0076]5577.88053127-35.8866606678.0473878831.24526431[0077]5679.57141885-35.0764022477.6334892630.85475926[0078]5781.3634661-34.1565213677.2099669630.47434063[0079]5883.25927923-33.1119531276.7771112630.10426916[0080]5985.26018764-31.9262284376.335218829.74479846[0081]6087.36595235-30.5815044875.8845924529.3961749[0082]6189.57445898-29.0586374175.4255410229.05863741[0083]6290.03144224-28.7256456274.9685577628.72564562[0084]6390.48310179-28.3854678874.5168982128.38546788[0085]6490.92932463-28.038189374.0706753728.0381893[0086]6591.36999914-27.6838967473.6300008627.68389674[0087]6691.80501508-27.3226788573.1949849227.32267885[0088]6792.23426364-26.9546259772.7657363626.95462597[0089]6892.65763742-26.5798301972.3423625826.57983019[0090]6993.07503052-26.1983852671.9249694826.19838526[0091]7093.48633853-25.8103865971.5136614725.81038659[0092]7193.89145855-25.4159312671.1085414525.41593126[0093]7294.29028924-25.0151179470.7097107625.01511794[0094]7394.68273083-24.6080468970.3172691724.60804689[0095]7495.06868515-24.1948199569.9313148524.19481995[0096]7595.44805564-23.7755404869.5519443623.77554048[0097]7695.8207474-23.3503133869.179252623.35031338[0098]7796.18666721-22.9192450268.8133327922.91924502[0099]7896.54572353-22.4824432368.4542764722.48244323[0100]7996.89782653-22.0400172868.1021734722.04001728[0101]8097.24288813-21.5920778667.7571118721.59207786[0102]8197.58082201-21.13873767.4191779921.138737[0103]8297.91154364-20.6801081367.0884563620.68010813[0104]8398.23497029-20.2163059766.7650297120.21630597[0105]8498.55102104-19.7474465466.4489789619.74744654[0106]8598.85961683-19.2736471466.1403831719.27364714[0107]8699.16068047-18.7950262865.8393195318.795026280108]8799.45413665-183117037165.5458633518311703710109]8899.73991194-178238003265.2600880617823800320110]89100.0179349-173314381664.9820651317331438160111]90100.2881359-168347404164.7118641116834740410112]91100.5504474-163338313364.4495526116333831330113]92100.8048038-15828836264.195196231582883620114]93101.0511414-153198813863.9488586215319881380115]94101.2893986-148070941663.7106013814807094160116]95101.5195159-142906028463.4804841314290602840117]96101.7414356-13770536663.258564421377053660118]97101.9551022-132470255763.0448977813247025570119]98102.1604624-127202006962.8395376512720200690120]99102.3574646-121901937562.6425354112190193750121]100102.5460597-116571373462.4539403311657137340122]101102.7262004-11121164862.27379961112116480123]102102.8978417-105824102262.1021582810582410220124]103103.0609407-100410083761.9390593110041008370125]104103.2154565-9.49709468361.784543499.4970946830126]105103.3613505-8.95080522361.638649468.9508052230127]106103.4985863-8.4022766561.501413748.402276650128]107103.6271294-7.35164618361.372870647.8516461830129]108103 7469477-729905156561 2530523372990515650130]109103 8580112-674463103361 1419887767446310330131]110103 9602922-61885232861 039707766188523280132]111104 0537651-563086741960.9462348756308674190133]112104.1384065-507180295360 861593550718029530134]113104 2141952-451146973760.7858048145114697370135]114104 2811122-395000794160 7188877639500079410136]115104 3391409-33875580260 660859093387558020137]116104 3882667-282426067660 6117333228242606760138]117104.4284773-22602568260 571522752260256820139]118104 4597626-169568754460 5402374216956875440140]119104 4821148-113069407860 5178851611306940780141]120104 4955284-056541776160.5044715705654177610142]121104.5060.500143]122104 49986990.32281172160.50384417-3. 3659843090144]123104.49947960.34562047460 51538302-3.7320357840145]124104 49882920.36842329260 53463568-1.0982215870146]125104 49791880.39121720860 5616341-1.464608877[0147]126104.49674840.1139992576059642323-1.831264804[0148]127104.49531830.1367664766063906119-2.198256501[0149]128104.49362850.1595159016068961961-2.565651076[0150]129104.49167940.1822445736074818389-2.933515593[0151]130104.48947120.2049495366081485367-3.301917056[0152]131104.48700420.2276278356088974328-3.670922376[0153]132104.48427860.250276526097298227-4.04059834[0154]133104.48129490.2728926456106471613-4.411011562[0155]134104.47805350.2954732676116510691-4.782228427[0156]135104.47455470.3180154496127433413-5.154315021[0157]136104.4707990.340516257613925957-5.527337042[0158]137104.46678690.3629727656152010891-5.901359698[0159]138104.4625190.3853820526165711166-6.276447578[0160]139104.45799570.40774126180386376-6.652664499[0161]140104.45321770.4300473036196064839-7.030073331[0162]141104.44818560.4522974576212777372-7.408735775[0163]142104.44290.474488768623055748-7.788712112[0164]143104.43736170.4966183496249441559-8.1700609[0165]144104.43157130.5186833226269469121-8.552838621[0166]145104.42552960.5406808146290683062-8.937099254[0167]146104.41923740.562607966631312994-9.322893789[0168]147104.41269550.5844619236336860309-9.710269634[0169]148104.40590480.6062398436361929077-10.09926993[0170]149104.39886620.6279388926388395925-10.48993275[0171]150104.39158050.6495562486416325772-10.88229011[0172]151104.38404870.6710890986445789302-11 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1權(quán)利要求陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn)子，它包含陽轉(zhuǎn)子(1)和陰轉(zhuǎn)子(2)，其特征在于陽轉(zhuǎn)子(1)和陰轉(zhuǎn)子(2)的齒形為雙邊非對稱，其齒形的組成曲線為圓弧和橢圓及其包絡(luò)線，陰陽轉(zhuǎn)子的齒數(shù)比為7∶5，轉(zhuǎn)子公稱直徑為D0時，陽轉(zhuǎn)子(1)的直徑D1＝D0+(0.04～0.05)D0，陰轉(zhuǎn)子(2)的直徑D2＝D0，陰陽轉(zhuǎn)子的中心距A＝(0.82～0.83)D0。
2.根據(jù)權(quán)利要求1所述的陰轉(zhuǎn)子直徑等于公稱直徑的螺桿式壓縮機轉(zhuǎn)子，其特征在于 所述的陽轉(zhuǎn)子(1)和陰轉(zhuǎn)子(2)當(dāng)公稱直徑DO = 200mm時，以其中心點為坐標(biāo)原點且無間 隙的轉(zhuǎn)子型線坐標(biāo)如下，其他公稱直徑系列的轉(zhuǎn)子型線坐標(biāo)為所述公稱直徑DO = 200mm轉(zhuǎn) 子型線坐標(biāo)的D0/200倍數(shù)陽轉(zhuǎn)子陰轉(zhuǎn)子序號XlYlX2Y2141.88761598-49.7033965481.2829018658.2502349242.26656293-49.38963881.5866182857.81362222342.65099305-49.0824530281.8780017557.36861971443.0408674-48.7818603682.1568525756.91553235543.43614478-48.4878715282.4229796456.45467067643.83678296-48.2004898982.6762005555.98635051744.24274007-47.9197099482.9163417755.51089285844.65397601-47.645516583.1432387255.02862353945.07045398-47.3778840383.3567358954.539873081045.49214211-47.1167758983.5566869654.044976461145.9190152-46.8621436683.742954953.544272861246.35105661-46.6139264783.9154120453.038105421346.78826031-46.3720502984.073940252.526821061447.23063308-46.1364272784.2184307252.010770171547.67819692-45.9069550484.3487845851.490306441648.13099165-45.6835159384.4649124450.965786561748.58907778-45.4659762984.5667347150.437570021849.05253961-45.2541855784.6541816149.906018831949.52148869-45.0479755284.7271932149.371497282049.99606756-44.8471591684.7857194748.834371712150.47645388-44.6515297184.8297202748.295010242250.962865-44.4608593584.8591654747.753782522351.45556297-44.2748978484.8740348847.211059492451.95486008-44.0933708784.8743183146.667213092552.46112495-43.9159781984.8600155646.122616052652.97478927-43.742391484.8311364445.577641622753.49635525-43.5722513684.7877007545.032663282854.02640374-43.4051650784.7297382444.488054552954.56560326-43.2407020684.6572886543.944188663055.11471988-43.0783899784.5704016343.401438363155.67462799-42.9177093684.4691367242.860175623256.24632211-42.7580874684.3535633342.320771393356.83092971-42.5988907184.2237606641.783595373457.42972502-42.4394158284.0798176841.249015693558.0441439-42.2788791383.9218330440.717398733658.67579969-42.1164038183.7499150140.189108843759.32649982-41.9510047383.5641814239.664508093859.99826316-41.7815703883.3647595639.1439563960.69333776-41.606841583.1517860938.627809334061.41421859-41.4253858282.9254069938.116421844162.16366471-41.235568482.6857774137.610143994262.94471533-41.0355169182.4330615737.109322764363.76070368-40.8230812882.1674326736.61430144464.61526777-40.5957871781.8890727636.125419164565.5123565-40.3507825981.5981726135.643011114666.45622959-40.0847773481.294931635.167407854767.45144944-39.7939750280.9795575434.698935354868.50286262-39.4739974680.6522665934.237914674969.61556866-39.1198020480.3132830533.784661775070.79487347-38.7255925379.9628392433.339487295172.04622457-38.2847247979.6011753332.902696335273.37512552-37.7896092379.2285392132.474588245374.78702684-37.2316126978.8451862432.055456435476.28719123-36.60096378.4513791731.645588155577.88053127-35.8866606678.0473878831.245264315679.57141885-35.0764022477.6334892630.854759265781.3634661-34.1565213677.2099669630.474340635883.25927923-33.1119531276.7771112630.104269165985.26018764-31.9262284376.335218829.744798466087.36595235-30.5815044875.8845924529.39617496189.57445898-29.0586374175.4255410229.058637416290.03144224-28.7256456274.9685577628.725645626390.48310179-28.3854678874.5168982128.385467886490.92932463-28.038189374.0706753728.03818936591.36999914-27.6838967473.6300008627.683896746691.80501508-27.3226788573.1949849227.322678856792.23426364-26.9546259772.7657363626.954625976892.65763742-26.5798301972.3423625826.579830196993.07503052-26.1983852671.9249694826.198385267093.48633853-25.8103865971.5136614725.810386597193.89145855-25.4159312671.1085414525.415931267294.29028924-25.0151179470.7097107625.015117947394.68273083-24.6080468970.3172691724.608046897495.06868515-24.1948199569.9313148524.194819957595.44805564-23.7755404869.5519443623.775540487695.8207474-23.3503133869.179252623.350313387796.18666721-22.9192450268.8133327922.919245027896.54572353-22.4824432368.4542764722.482443237996.89782653-22.0400172868.1021734722.040017288097.24288813-21.5920778667.7571118721.592077868197.58082201-21.13873767.4191779921.1387378297.91154364-20.6801081367.0884563620.680108138398.23497029-20.2163059766.7650297120.216305978498.55102104-19.7474465466.4489789619.747446548598.85961683-19.2736471466.1403831719.273647148699.16068047-18.7950262865.8393195318.795026288799.45413665-18.3117037165.5458633518.311703718899.73991194-17.8238003265.2600880617.8238003289100 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文檔編號F04C18/16GK201687712SQ20102022243
公開日2010年12月29日 申請日期2010年6月11日 優(yōu)先權(quán)日2010年6月11日
發(fā)明者余凱, 余金龍, 周國珍, 常博 申請人:武漢凱龍技術(shù)開發(fā)有限責(zé)任公司