地下自卸汽车主要技术参数选择及设计计算

:1005-7854(2007)04-0058-08战凯1,魏义恒2(1北京矿冶研究总院,北京100044;2鲁中冶金矿业集团公司,山东莱芜271113):,,,:;;;;:TD4223;TD402:ASELECTIONANDDESIGNONMAINTECHNICALPARAMETERSFORUNDERGROUNDDUMPTRUCKSZHANKai1,WEIYiheng2(1BeijingGeneralResearchInstituteofMiningandMetallurgy,Beijing100044,China;2LuzhongMetallurgy&MiningGroupCorporation,Laiwu271113,Shandong,China)ABSTRACT:UndergrounddumptrucksaremajorequipmentforundergroundminingandtransportingItismoreandmoreimportanttouseundergrounddumptrucksforlongdistancetransportationTheobviousadvantages,suchasgooddynamicperformance,strongaccessibility,flexibilityandeconomy,maketheundergrounddumptrucksbeingwidelyusedatdomesticandabroadInthispaper,thecalculationandselectionontechnicalparametersareanalyzedwhiledesigningundergrounddumptrucks,andthedetailstudiesonpowertransmission,steering,hydraulic,brakingsystemsandbrakingprocedurearecarriedoutTheseresultswilllaythetheoryfoundationfordesignofundergrounddumptrucksKEYWORDS:undergroundmines;miningwithoutrail;undergrounddumptrucks;technicalparameters;design:2007-08-20:,,1地下汽车主要技术参数选择,,,,,,(1),,,,,(2),,,164200712MINING&METALLURGYVol.16,No.4December2007(3)(4),,,,(5),(6),,(7),,,5%~55%;1/3,,,,(8),,,,(9),,,,,,;,,,,,,,,,,,,,;,,,,,,(10),,,,,,;,,,,(11),(12),,(13),;,,,,(14),,GB853287(15),45(16),,,!59!:;,,12;,,8~10(17),,:;(18),(19),,,65~70(20),12~14s,10~12s2地下汽车主要系统设计计算21,,:,,,,,,,;,,,,:∀;#;∃,,,,,MejMB,nenB:Mej=Me(1-a1)Mej-Mf=MB(1)ne=nB(2):Me,N!m;a1;Mej,N!m;Mf,N!mMf,Nf,kWMfNf::Mf=Mf1+Mf2+Mf3+Mf4(3)Nf=Nf1+Nf2+Nf3+Nf4(4):Mf1Nf1,N!m,kW;Mf2Nf2,N!m,kW;Mf3Nf3,N!m,kW;Mf4Nf4-,N!m,kW,,,:(1),,P1,MPa;1,:!60!Nf1=q1%ne%10-960%i1%1P1Mf1=60%Nf12%ne%106:q1,mL/r;i1(2),,,,,,,P2,MPa,:Nf2=Nf21+Nf22Nf21=q2%ne60%i2%2%10-9%P21%!2Nf22=q2%ne60%i2%2%10-9%P22%(1-!2)Mf2=Nf2%602%ne%106:q2,mL/r;i2;P21,MPa;2;!2;Nf21Nf22:,kW(3),,,,!3,,P32,MPa,:Nf3=Nf31+Nf32Nf31=q3%ne60%i3%3%10-9%P31%!3Nf32=q3%ne60%i3%3%10-9%P32%(1-!3)Mf3=Nf3%602%ne%106:q3,mL/r;i3;P31,MPa;3;Nf31Nf32,kW(4),!4,,:Nf4=Nf41+Nf42Nf41=q4%ne60%i4%4%10-9%P41%!4Nf42=q4%ne60%i4%4%10-9%P42%(1-!4)Mf4=Nf4%602%ne%106:q4,mL/r;i4;4;P41,MPa;P42,MPa;Nf41Nf42,kWMe,,MBMB=∀B#n2BD5:MB=MBg%n2B%10-6(5):∀B;#;D,m;MBg,N!m(5),i,MB=c!n2B,&,,,Mt=KMB(6)nt=nB/i(7):K,(6)(7),22!61!:,,,,80~120∋,;,,40%~50%,,,,23:;::Pqj=Mt%i1j%crq%10-3(8):i1j=i1%ij(j=1,2((n);Vj=0.12ntrqi1jkm/h(9)Nqj=3Mt%c%nt%10-4kW(10):c;rq,,m;i1j;i1;ij(j=1,2((n);ni1=i11%i12(11):i11;i12,(8)(9)(10)(11),,(1)):Pqj(max)=P∃1=∃m1gPqj(max)-Pf1=m1%g%sin%1Pf=m1%g%fsin%1=∃-f:Pqj(max),N;P∃1,N;Pf,N;m1,N;∃;%1;f∗:sin%1=Pqj(max)m1g-f(2)):Pqj(max)=P∃2=∃m2gPqj(max)-Pf2=m2g%sin%2Pf2=m2%g%fsin%2=∃-f:m2,N;%2∗:sin%2=Pqj(max)m2g-f24241,:,,,,:MZ=G1!f(0.1L+0.6)(0.3Q2+0.1Q+26)N!m!62!:MZ,N!m;G1,N;f;;L,m;Q,rad,:Mz=f3G31P:P,MPa242,,,,,15~2243:q=VivmL/r:V,cm3;v;i,(60r/min),,25251GB8532-87:SB=V2044+0.1(32-V0):SB,m;V0,km/h:a=12SB(V03.6)2:a:,m/s2:MB=m!a!rq:MBZ=mg!rq!sin%:%;MBZ,N!m,,,:G=HL!m!a:G,N;H,m;L,m:G11=G1+HL!m!aG12=G2+HL!m!a:G1G2,N;G11G12:,N,252,,,,,,:MT=f!F&!Z!Rc:MT,N!m;f;F&,N;Z;Rc,m:Rc=D3-d33(D2-d2)F&=n!k!X:k,N/mm;X,mm;n;Dd,m4MT253:!63!:,,,,,,,90%,:09FyF&:09!Pz(R22-R21)n!k!X:Fy,N;Pz,MPa;R1R2,m,254,DKC12LCB13150,,,(1),,,:pV/T=:p,Pa;V,m3;T,K,,,:(P2/P1)1/k=V1/V2(k)(2))(1)l1=282mm,:V11=(R22-R21)l1=0.061L:R2=2174mm,R1=2005mmV1=4V11=0.244L∗(2)l2=522mm,:V12=(R22-R21)l2=0.114LV2=4V12=0.456L+(3)l3=822mm,:V13=(R22-R21)l3=0.179LV3=4V13=0.716L1Table1Calculationalresultsoffilledoil,squantityforstoppingbrakingwhenadoptingthenewfrictiondisk/MPa/L/L0980329671193330569528902817193850257743481323376757782097916747185815771716183986891378639663113887106390899111161606593512594041959135740179831400000010002Table2Calculationalresultsoffilledoil,squantityforstoppingbrakingwhenthefrictiondiskliningabrasivetogroove/MPa/L/L0980329671189328371728192377633745191809469814585556490999016605053947756600799380000001000!64!3Table3Calculationalresultsoffilledoil,squantityforstoppingbrakingwhenallthefrictiondiskliningmaterialsabraded/MPa/L/L0980329671185025774327471858153663113887459404195950000001000(3),,,:V2=V1P1P21/k(11):V1V2,L;P1P2,MPa;k,k=14,,P1=56MPa,V1=10L;,,P2=98MPa,V2=671LV:V=V1-V2(12):V1V2,L,V−2:V−2=V2+V−:P−2=P1(V1/V2)k(13):V−4,L(11)(12)(13),,3结语,,,,1~4.1,,,,,,,,,,:/10[M]:,1989/20[M]:,1981/30[M]:,1993/40[M]:1981/50DKC12[R]:,1997(28)/30[J],2006(7):33/40[J],2003,31(4):36-38/50,,[J],1997(2):5-7/60[J],1995,25(2):24-26!65!: