Kev Taw Qhia Txog Cov Hom Bearing Sliding
Ib qho kev sib txhuam yog ib qho uas lub qhov thiab cov kabmob sib cuag ntawm qhov chaw. Vim yog qhov sib cuag ntawm qhov chaw, nws tuaj yeem tiv taus cov zog sab nraud loj dua, tiv taus kev co, thiab muaj cov qauv yooj yim, ua rau nws siv dav. Piv txwv li, cov pob qij txha txav ntawm lub caj npab ntawm lub tshuab khawb av.
Cov kabmob zawv zawgmuaj peev xwm muab faib ua peb hom raws li kev coj ntawm lub zog:
1. Cov Kab Ntsig Radial
Cov kabmob radial sliding muaj lub zog taw qhia perpendicular rau lub axis nruab nrab. Lawv tuaj yeem muab faib ua peb hom raws li lawv daim ntawv:
1) Cov kabmob sib xyaw ua ke: Cov kabmob sib xyaw ua ke yog ib hom kev sib xyaw ua ke ntawm cov kabmob sib xyaw ua ke, txuas nrog lub thav duab nrog cov ntsia hlau. Lub qhov ntawm lub tsev menyuam yaus raug nias, thiab lub khob roj tau teeb tsa rau saum lub tsev menyuam yaus. Lub bushing muaj qhov nkag roj, thiab sab hauv ntawm lub bushing (lossis bushing) tau teeb tsa nrog cov khoom siv txo kev sib txhuam thiab muaj cov roj axial grooves rau lubrication.
2) Cov Bearings Sib Xws: Cov bearings no yooj yim rau kev teeb tsa thiab rhuav tshem, thiab pheej yig heev, ua rau lawv siv dav hauv tshuab. Piv txwv li, cov bearings ntawm lub crankshafts ntawm ntau lub cav sib xyaw sab hauv.
3) Plaub-ntu bearing: Kuj tseem hu ua plaub-ntu bearing, nws yog siv rau hauv cov tsheb loj, xws li cov bearings tseem ceeb ntawm cov cav vibrating thiab lwm yam khoom siv zoo sib xws.
Cov ntaub ntawv rau cov kabmob swb feem ntau yog hlau cam khwb cia thiab hlau cam khwb cia. Vim lawv qhov tawv, lawv yooj yim rau kev hnav ntawm phau ntawv, yog li ntawd feem ntau yuav ntxiv ib lub bushing ntawm tus ncej thiab cov kabmob. Cov ntaub ntawv rau hom bushing no feem ntau yog tooj dag, hlau dawb, thiab hlau Babbitt.
2. Cov kabmob thawb swb
Lub nra hnyav ntawm lub pob zeb thawb uas txav mus los sib luag rau qhov kev taw qhia axial. Ntxiv rau kev txhawb nqa kev sib hloov ntawm cov khoom siv hauv tshuab, nws kuj tseem tuaj yeem tiv thaiv kev txav mus los raws qhov kev taw qhia axial. Nws tuaj yeem muab faib ua plaub hom:
1) Cov kabmob thawb lub nplhaib: Muab faib ntxiv rau hauv:
(1) Ib lub nplhaib thrust bearings: Raws li pom hauv Daim Duab 5 (a), ib lub nplhaib bearing. Raws li pom hauv Daim Duab 5 (b), ib lub nplhaib thrust bearing tuaj yeem tiv taus axial thrust hauv ob qho kev taw qhia.
(2) Cov kabmob thawb ntau lub nplhaib: Hom kabmob no tuaj yeem tiv taus lub zog thawb axial hauv ob qho kev taw qhia, ntawm qhov ceev ceev, thiab nyob rau hauv cov khoom hnyav.
2) Cov kabmob pivot: Kuj tseem hu ua cov kabmob pivot, lawv yog cov kabmob swb uas tau teeb tsa rau ntawm qhov kawg ntawm tus ncej, yog li ntawd kuj hu ua cov kabmob thrust hom puag. 3) Cov kabmob hydrodynamic Thrust: Cov nplaim sib txhuam ntawm tus ncej thiab tus kabmob yog ua rau cov nplaim inclined lossis cov blocks tiltable. Ib txheej ntawm cov roj hydrodynamic zaj duab xis tsim rau ntawm txhua qhov nplaim inclined lossis tilting block, tiv thaiv kev sib cuag ntawm tus ncej thiab tus kabmob.
4) Cov kabmob hydrostatic: Thaum lub nra hnyav ntawm cov kabmob loj dhau, nws tsis tuaj yeem tsim cov roj zaj duab xis los ntawm qhov chaw nres, yog li cov kabmob hydrostatic yuav tsum tau siv. Cov kua (roj) raug nias los ntawm lub twj tso kua mis thiab xa mus ntawm ob qho tib si kom tswj tau lubrication thaum lub sijhawm ua haujlwm. Vim tias cov kua tau muab los ntawm sab nraud, nws tseem hu ua cov kabmob siab sab nraud. Yog tias lub twj tso kua mis roj siab hloov mus rau lub zog cua, nws hu ua cov kabmob cua hydrostatic.
3. Cov kabmob zawv zawg tshwj xeeb
1) Cov kabmob uas muaj qhov (porous bearings): Kuj tseem hu ua cov kabmob uas muaj roj (oil-impregnated bearings), lawv yog tsim los ntawm kev siv hmoov metallurgy. Feem ntau haum rau cov kabmob radial uas muaj lub zog sib dua.
2) Cov Bearings uas tsis muaj roj: Lawv muaj kev tiv thaiv kev hnav zoo heev thiab tsim nyog rau cov tshuab ua zaub mov uas tsis muaj kuab paug thiab tsis muaj kuab paug.
Yog tias koj xav paub ntau ntxiv txog cov ntaub ntawv ntawm cov kabmob, thov hu rau peb:
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Lub sijhawm tshaj tawm: Lub Ob Hlis-10-2026
