Indima ebalulekileyo yeeBearings eziPlain kwi-Wind turbines-Jiashan Epen Bearing

Kwiphulo lokufumana amandla ahlaziyekayo, iiinjini zomoya zimi njengemimangaliso yobunjineli. Ngelixa iiblades kunye neejenereyitha zihlala zibamba indawo ebonakalayo, amagorha angavunywanga aqinisekisa ukusebenza kwawo okugudileyo, okuthembekileyo, kunye nokusebenza kakuhle zizinto ezingaphakathi-ingakumbi. iibheringi ezicacileyo. Indima yabo ayipheleli nje ekuxhaseni kodwa ibaluleke kakhulu ekusebenzeni kweinjini yomoya, ubomi obude, kunye nokuhlala kakuhle kwezoqoqosho.

Iibheringi ezicacileyo idlala indima ebalulekileyo ekusebenzeni ngokufanelekileyo kunye nobomi obude beeinjini zomoya. Ukujikeleza kweeshafti, ukucutheka kokungqubana, kunye nokuhamba kakuhle kwezinto ezahlukeneyo zeinjini yomoya zonke zixhomekeke kula malungu abonakala engabalulekanga. Iiinjini zomoya zithembele kakhulu kwiibheringi ezicacileyo zeshaft engundoqo, i-yaw, kunye neenkqubo zepitch, eziphucula kakhulu ukusebenza kwazo kunye nokuthembeka. Umboniso wamandla avuselelekayo uxhomekeke kubo kakhulu ngenxa yokusebenza kwabo okuphantsi, amandla okusebenza kwiimeko ezingaxoleliyo, kunye nokuqina. Kuyinto engaqondakaliyo ukugxininisa ubumbi bomgangatho ophezulu wokuqhelaniswa nethafa ekuphuhliseni nasekugcinweni kweeinjini zomoya, xa kujongwa ukongezwa okuqhubekekayo kwamandla omoya.

Yintoni i-Plain Bearing (Ukutyibilika Ukuthwala)?

Iibheringi ezingenanto (ekwabizwa ngokuba zi-sliding okanye ii-sleebe bearings) lolona hlobo lulula lokuthwala. Ngokungafani neebheringi ze-rolling-element (ibhola okanye ii-roller bearings), zisebenza kumgaqo wokuqhagamshelana ne-sliding. Ngokuqhelekileyo zibandakanya umphezulu othweleyo, odla ngokwenziwa ngezinto ezininzi ezidibeneyo, ezingenazo iindawo ezihambayo. Lo mphezulu uyilelwe ukuxhasa umthwalo ngelixa uvumela intshukumo ehambelanayo kunye nokukhuhlana okuncinci.

Kusetyenziswa phi ukuSlayida (ukuthwala okucacileyo) Kusetyenziswa kwiTurbine yoMoya?

Ukutyibilika / iibheringi ezicacileyo zisasazwe kwiindawo ezininzi ezinoxinzelelo oluphezulu ngaphakathi kweinjini yomoya, nganye ineemfuno ezizodwa:

I-Rotor Blade Pitch kunye ne-Yaw Systems: Esi sesona sicelo sabo sibalulekileyo.

Pitch Bearings: Ifumaneka kwingcambu yeblade nganye apho idityaniswa khona kwi hub. Bavumela ii-blades ukuba zijikeleze ("i-pitch") ukwandisa i-angle yabo emoyeni, ukulawula ukuphuma kwamandla kunye nokukhusela i-injini yomoya kwi-overspeed ngexesha lomoya ophezulu.

I-Yaw Bearings: Imi phakathi kwe-nacelle (indlu equlethe ijenereyitha) kunye nenqaba. Zenza ukuba yonke i-nacelle ikwazi ukujikeleza kwaye ijonge kwicala lomoya njengoko itshintsha.

Inkxaso yeShaft engundoqo: Kolunye uyilo lwe-iturbine, ngakumbi iimodeli ezinkulu, iibheringi ezinkulu ezithafa zisetyenziselwa ukuxhasa i-shaft engundoqo enesantya esisezantsi, ukuphatha imithwalo emikhulu yeradial kunye ne-axial ukusuka kwirotor.

Kutheni le nto i-Sliding Bearing (i-plain bear) ibaluleke kangaka?

Iimeko zokusebenza ezigqithisileyo zeinjini yomoya zenza ukutyibilika/iibheringi ezicacileyo zibe lolona khetho luphezulu kwezi zicelo zingundoqo:

Isakhono sokuThwala uMthwalo ophezulu: Ukutyibilika/iibheringi ezingenanto zinendawo enkulu yoqhagamshelwano, ebavumela ukuba baxhase imithwalo emikhulu engashukumiyo eveliswa ziincakuba ezinkulu zerotor kunye nemimoya ebhudla ngamandla ingcono kakhulu kunomlinganiselo olinganayo wokuqengqeleka-elementi. Banobuchule obukhethekileyo bokuphatha imithwalo yokothuka.

Ukuqina kunye noBomi beNkonzo ende: Yenzelwe ubomi benkonzo yeminyaka engama-20+, iibheringi ezicacileyo zakhiwe ukuze zihlale. Ulwakhiwo lwazo olulula, olomeleleyo aluqhelekanga kwiindlela zokungaphumeleli njenge-brinelling (umonakalo ongaphezulu) onokuchaphazela iibheringi eziqengqelekayo phantsi kwemithwalo enzima emileyo xa i-injini yomoya imisiwe.

Iindleko eziFanelekileyo kwiiDamitha ezinkulu: Kububanzi obukhulu obufunekayo kwiinkqubo zepitch kunye ne-yaw (ngokuqhelekileyo iimitha ezininzi), ukuveliswa kweringi engenamthungo ye-rolling-element bearing inzima kakhulu kwaye iyabiza. Iibheringi ezicacileyo, ezinokuthi zihlulwe, zisisombululo esinoqoqosho ngakumbi.

Ukuguquguquka koyilo kunye nokuThobeka: Uyilo lwazo luvumela ukudityaniswa kwiindawo ezixineneyo kwaye lunokwenziwa ngobunjineli ukujongana nemithwalo edibeneyo (i-radial, i-axial, kunye nemithwalo yemizuzu) ngaxeshanye ngaphakathi kweyunithi enye yokuthwala, ukwenza lula uyilo lonke lwe-injini yomoya.

Ugcino kunye nokuqikelela: Ngelixa zifuna ukuthanjiswa, ukunxiba kwazo kudla ngokucotha kwaye kuqikelelwe, kuvumela ukubekwa esweni kwemeko kunye nokugcinwa okucwangcisiweyo kunokusilela ngequbuliso, okuyintlekele.

ImiSebenzi eSisiseko yeeBearings eziPlain kwi-Wind turbines

Izakhono zokuthwala umthwalo

Iibheringi ezingenanto kwiiinjini zomoya zenzelwe ukusingatha imithwalo emikhulu. I-rotor enkulu kunye neeblades, ezinobunzima beetoni ezininzi, zithembele kula malungu ukubamba ubunzima bazo. Ngokomzekelo, ubunzima bendibano ye-rotor kunye nemithwalo yomoya ivelisa amandla e-axial kunye ne-radial, apho i-shaft ethwala i-shaft kufuneka ixhathise. Ukubonelela ngokuthembeka kwexesha elide kunye nokunciphisa ukunxiba kwangaphambili, iibheringi ezicacileyo zenziwe ngemathiriyeli ethile kunye neejometri ukusasaza olu xinzelelo ngokufanayo.

Iibheringi ezicacileyo zeeinjini zomoya zikwasebenzisa imathiriyeli yangoku njengealloyi zebimetal okanye iicomposites zentsimbi-zeplastiki. Xa kuthelekiswa nezinye izinto eziqhelekileyo zokuthwala, ezi zingcono kakhulu ekuxhaseni imithwalo. Banokumelana nemithwalo yebhayisikile kunye nemithwalo eyothusayo eyenzeka ngamaxesha athile ngexesha lokusebenza kweinjini yomoya, ngakumbi ngexesha lokuqalisa, ukuvalwa, kunye nezandyondyo zomoya ngequbuliso.

UkuNcitshiswa kweFriction

Omnye wemisebenzi ephambili yeebheringi ezicacileyo kwiiinjini zomoya kukunciphisa ukukhuhlana phakathi kweendawo ezihambayo. Oku kubaluleke kakhulu ngenxa yezizathu ezininzi. Okokuqala, ukonyuka kwempumelelo ekuguquleni amandla omoya kumandla ombane sisiphumo esithe ngqo sokukhuhlana okuncinci. Njengenzuzo yesibini, ukukhuhlana okuncitshisiweyo kuthetha ukuthotywa nokukrazuka okuncinci kumalungu, oko kuthetha ukuba i-injini yomoya ihlala ixesha elide phakathi kokulungiswa.

Ukungqubuzana okuncitshisiweyo kwiibheringi ezicacileyo kuyisiphumo sokukhethwa kwezinto eziphathekayo kunye nobunjineli beendawo zokuthwala. Nokuba ziphantsi kwemithwalo enzima, iibheringi ezininzi zangoku ezisetyenziswa kwiiinjini zomoya ziyakwazi ukuzithambisa ngokugcina umaleko obhityileyo wesithambiso phakathi komphezulu wazo. Ngenxa yokuba ukugcinwa kwesiqhelo ngamanye amaxesha kunzima kwaye kuyabiza, olu phawu lokuzithambisa luluncedo ngakumbi kwiindawo ezikude nonxweme okanye kwiifama zomoya ezikude.

Ukuguquguquka kokusingqongileyo

Iiinjini zomoya zisebenza kwiindawo ezahlukeneyo nezihlala zirhabaxa, ukusuka kwintlango etshisayo ukuya kwimimandla ebandayo ye-arctic, nakude nonxweme kwindawo engcolisayo yamanzi anetyuwa. Iibheringi ezingenanto kufuneka zikwazi ukusebenza ngokuthembekileyo kuluhlu olubanzi lwamaqondo obushushu kunye neemeko zokusingqongileyo. Izinto ezisetyenziswa kwezi bheringi zikhethwa ngenxa yokukwazi ukugcina iipropati kunye nokusebenza kwazo phantsi kweemeko ezinjalo ezahlukeneyo.

Ngokomzekelo, ezinye iibheringi ezicacileyo bandakanya izinto zokwaleka ezikhethekileyo okanye unyango lomphezulu ukomeleza ukuxhathisa kwazo kumhlwa, uphawu olubalulekileyo kwiiinjini zomoya kwiindawo eziselunxwemeni okanye ezikude nonxweme. Ezinye ziyilwe ngezinto ezinokumelana nokuguquguquka okugqithisileyo kobushushu ngaphandle kokulahlekelwa ukuzinza kwe-dimensional okanye umthamo wokuthwala umthwalo. Umthamo weeinjini zomoya ukuze zisebenze ngokufanelekileyo nangokuthembekileyo phantse kuyo nayiphi na indawo sisiphumo sokuguquguquka kwazo kokusingqongileyo, nto leyo enceda ukwandisa amandla omoya kwihlabathi jikelele.

Ukusetyenziswa okuPhakamileyo kweeBearings eziPlain kuMalunga eiTurbine yoMoya

IiBearings ezingundoqo zeShaft

I-shaft ephambili ye-injini yomoya yinxalenye ebalulekileyo ehambisa amandla ajikelezayo ukusuka kwirotor ukuya kwijenereyitha. Iibheringi ezingenanto zidlala indima ebalulekileyo ekuxhaseni le shaft, iqinisekisa ukujikeleza kwayo kakuhle ngelixa imelana nemithwalo emikhulu. Ezi bheringi kufuneka zomelele ngendlela ekhethekileyo kwaye zikwazi ukusebenza ngokuthembekileyo ixesha elongeziweyo ngolondolozo oluncinci.

Iibheringi eziphambili zeshaft ezicacileyo kwiiinjini zomoya zihlala ziyilwe njengeebheringi ezinobubanzi obukhulu, zodidi olucandekileyo ukuququzelela ufakelo nokugcinwa. Iinkqubo zokuthambisa iHydrodynamic kunye nezinye izinto ezintsha zinokunyusa umthamo wazo wokuthwala umthwalo kunye nokuncipha kokunxiba. Unyango olukhethekileyo lomphezulu lunokusetyenziswa kwakhona. Ukuze i-injini yomoya isebenze ngokufanelekileyo kwaye ihlale ixesha elide kangangoko, ezi bheringi kufuneka zilungelelaniswe kakuhle kwaye zithanjiswe kakuhle.

Yaw System iibheringi

Inkqubo ye-yaw kwi-injini yomoya inoxanduva lokujikeleza i-nacelle kunye ne-rotor ijongane necala lomoya, ukwandisa ukubamba amandla. Iibheringi ezicacileyo kwinkqubo ye-yaw kufuneka zivumele ukujikeleza okugudileyo, okulawulwayo ngelixa uxhasa ubunzima obuninzi be-nacelle kunye ne-rotor assembly. Ezi bheringi zihlala zithatha imo yezangqa ezinkulu zokuxhela okanye iibheringi ezicandekileyo.

Iibheringi zenkqubo ye-Yaw ethafeni zifuna ukusebenza ngesantya esiphezulu esisezantsi kunye nokukwazi ukuxhathisa umhlwa, onokuthi wenzeke ngenxa yeentshukumo ezincinci ze-oscillatory ezibangelwa kukuguquguquka komoya. Uninzi lwezi bheringi zibandakanya izixhobo zokuzithambisa okanye iireservoirs ezikhethekileyo zokuthambisa ukuze kuqinisekiswe ukusebenza okuhambelanayo kunye neemfuneko zogcino oluncinci. Uyilo lwezi bheringi kufuneka lunike ingxelo ngolungelelwaniso olunokuthi lwenzeke ngenxa yokuphambuka kwenqaba okanye ukuhlaliswa kwesiseko.

Pitch System Bearings

Inkqubo yepitch kwii-injini zomoya ilungisa i-engile ye-rotor blades ukulawula ukuphuma kwamandla kunye nokukhusela i-iturbine kwizantya zomoya ezigqithisileyo. Iibheringi ezicacileyo kwinkqubo yepitch kufuneka zivumele ukujikeleza okuchanekileyo, okulawulwayo kweblade nganye ngelixa imelana nemithwalo ebalulekileyo kunye namaxesha. Ezi bheringi zihlala zisebenza ngamaxesha athile kodwa kufuneka ziphendule ngokukhawuleza nangokuchanekileyo xa zibizwa.

Inkqubo yepitch iibheringi ezicacileyo bahlala besebenzisa izixhobo ezidityanisiweyo eziphambili ezibonelela ngokudityaniswa komthwalo ophezulu, ukukhuhlana okuphantsi, kunye nokumelana okugqwesileyo kokunxiba. Iimpawu zokuzithambisa ezi zinto ziluncedo kakhulu kwesi sicelo, njengoko zinokugcina ukusebenza kwazo nangexesha elide lokungasebenzi. Ezinye iibheringi zepitch zikwabandakanya iinkqubo zokutywina ezikhethekileyo zokukhusela ukosuleleka kwizinto ezisingqongileyo ezinjengothuli, ukufuma, okanye isitshizi setyuwa kwizicelo zangaphandle konxweme.

Imingeni yobuNjineli

Ukusetyenziswa kweebheringi ezicacileyo kwindawo ebaluleke kangaka akukho ngaphandle kwemingeni yayo, ethe yoyiswa ngobunjineli obuphambili:

Ukukhuhla kunye nokuthambisa: Uqhagamshelo lwesilayidi ngokwendalo lunokukhuhlana okuphezulu kunokunxibelelana okuqengqelekayo. Oku kuncitshiswa ngokusetyenziswa self-lubricating izinto ezidityanisiweyo (umzekelo, PTFE/graphite linings on intsimbi backing) kwaye ephucukileyo, automated iinkqubo zokuthambisa ezisembindini ezisa igrisi ngokuchanekileyo kwindawo etyibilikayo ngamaxesha acwangcisiweyo.

Ukonakala kunye nokuNgcola: Zibekwe elunxwemeni okanye kwiindawo ezikude, iiinjini zomoya zisesichengeni sokufuma, ityuwa, kunye nobumdaka. Iibheringi zitywinwe ngokuphambili i-labyrinth okanye i-rubber seals ukukhusela iindawo ezibalulekileyo zokutyibilika kwizinto ezingcolisayo.

Iimfuno zokuSebenza: Kufuneka basebenze ngokuthembekileyo kuluhlu olukhulu lwamaqondo obushushu, ukusuka kwiimeko ezibandayo zeArctic ukuya kubushushu obusentlango, kwaye ngelixa bephantsi kongcangcazelo oluqhubekayo kunye neentshukumo ezijikelezayo (kunokujikeleza okuzingileyo)

isiphelo

Xa kuziwa ekusebenzeni, ukungaguquguquki, kunye nexesha elilindelekileyo lokuphila lee-injini zomoya ezisikekileyo, ukuqhelaniswa okucacileyo yinxalenye esisiseko. Ezi sihloko zibalulekile ekusebenzeni kweeinjini zomoya njengoko ziphethe imithwalo enzima kakhulu kwishafti engundoqo kunye nemvume yolawulo oluchanekileyo lwezahlulo kunye nesakhelo sesandi. Xa amandla omoya eqhubeka ekhula njengomthombo wamandla ahlaziyekayo obalulekileyo, ukubaluleka kokutyibilika kwenoveli/ iibheringi ezicacileyo zowona mgangatho uphezulu kubalulekile. Iiinjini zomoya sele zisebenza kakuhle, kwaye uphuculo lwexesha elizayo lwemathiriyeli, iinkqubo zokubeka iliso, kunye nobuchwepheshe bokuthambisa kufuneka kubenze babe njalo nangakumbi.

FAQs

1. Zeziphi ezona ntlobo ziphambili zeebheringi ezicacileyo ezisetyenziswa kwiiinjini zomoya?

Iindidi eziphambili zibandakanya iibheringi zentsimbi-yeplastiki, iibheringi zebimetal, kunye neebheringi zentsimbi enye. Ezi zisetyenziswa kumacandelo ahlukeneyo afana ne-shaft engundoqo, inkqubo ye-yaw, kunye nenkqubo ye-pitch.

2. Ingaba iibheringi ezingenanto zinegalelo njani ekusebenzeni kakuhle kweinjini yomoya?

Ukusetyenziswa kwesihloko esicacileyo kwenza umsebenzi ube lula kwaye unciphise amashwa ngokunciphisa ukucola phakathi kwezinto ezihambayo. Isiphumo kukunyuswa kwemveliso ngokubanzi kunye nolawulo lwemveliso yeinjini yomoya.

3. Yeyiphi imingeni ekugcineni iibheringi ezingenanto kwiiinjini zomoya ezikude nonxweme?

Ukonakala kwamanzi etyuwa, ukungafikeleleki kulondolozo, kunye nemozulu embi zezinye zeengxaki abahlangabezana nazo iiinjini zomoya. Ukucombulula ezi ngxaki, kusetyenziswa izixhobo ezikhethekileyo kunye noyilo.

Khetha i-EPEN yeeMfuno zakho ze-Wind Turbine Plain

Njengokhokelayo ukutyibilika/umvelisi ophetheyo, Jiashan Epen Bearing Co., Ltd. ibonelela ngezisombululo ezikumgangatho ophezulu kwizicelo zeinjini yomoya. Iibheringi zethu zentsimbi-yeplastiki edibeneyo kunye neentsimbi ze-bimetal zenzelwe ukuhlangabezana neemfuno ezifunekayo zecandelo lamandla ahlaziyekayo. Ngokuzibophelela kwethu kuphando oluqhubekayo kunye nophuhliso, sibonelela ngezinto ezintsha, ezihlala ixesha elide, kunye neebheringi ezicacileyo eziphucula ukusebenza kweinjini yomoya. Qhagamshelana nathi ku epen@cnepen.cn ukufunda ukuba iimveliso zethu zinokwandisa njani iiprojekthi zakho zamandla omoya.

EPEN EX SLIDING UKUGQIBELA

Epen EX sliding bearing

Ucaphulo

Johnson, KL (2018). UQhagamshelana nooMechanics kunye noYilo lwe- Wind Turbine Bearings. Amandla omoya, 21(3), 149-162.

USmith, AB, & Jones, CD (2019). Ukuqhubela phambili kwiMathiriyeli yokuBheka ePlain kwizicelo zaMandla aHlaziywayo. Ijenali ye-Tribology, i-141 (2), i-021703.

Williams, EF, et al. (2020). Imeko yokuJonga iiBearings zeTurbine yoMoya: Uphononongo oluBanzi. Uphononongo lwamandla ahlaziyekayo kunye noZinzo, 132, 110066.

UBrown, RH, & Green, ST (2017). UbuCwangciso bokuThatha iiBearings zeTurbine yoMoya. I-Tribology International, i-115, i-1-10.

U-Lee, u-YS, kunye nePaki, i-JK (2021). Uyilo oluPhumayo lweNgqungquthela yeeTurbines zoMoya eziMkhulu zoMmandla weOffshore. Ubunjineli boLwandle, 228, 108871.

Chen, X., & Zhang, L. (2019). Ukuziqhelanisa nokusiNgqongileyo kweeBearings eziThala kwiiMeko zeMozulu eziBabekileyo: Uphononongo lweeFama zoMoya weArctic. Imimandla ebandayo iNzululwazi kunye neTekhnoloji, 168, 102888.

Indima enguNdoqo yeeBearings eziPlain kwi-Wind turbines