Iyo shafts inobuda muzvikamu zvekutapurirana uye dzimwe nzira dzemotokari dzinogona kukonzera kuvuza uye kusvibiswa kwemafuta - dambudziko iri rinogadziriswa nekuisa zvisimbiso zvemafuta.Verenga zvese nezve drive oiri zvisimbiso, kupatsanurwa kwavo, dhizaini uye kushanda, pamwe nesarudzo chaiyo uye kutsiva zvisimbiso muchinyorwa.
Chii chinonzi actuator mafuta seal?
Iyo drive mafuta chisimbiso (cuff) chinhu chekuisa chisimbiso chezvikamu zvakasiyana uye masisitimu emotokari;Chikamu che annular chinovhara shafts, mabearings uye zvimwe zvikamu zvinotenderera panzvimbo dzazvo dzekubuda kubva kune unit imba.
Mumotokari chero ipi zvayo, tarakita nemimwe midziyo kune zvikamu uye michina, kubva mumuviri iyo inotenderera shafts inobuda - gearboxes, gearboxes, fan drives nevamwe.Kazhinji, kune mafuta kana mamwe girizi mukati mezvikamu izvi, uye gomba reshaft rinogona kukonzera kurasikirwa uye kusvibiswa kwemafuta.Basa rekuisa chisimbiso chekubuda kwemashafts anotenderera kunze kwedzimba dzemayuniti anogadziriswa nekubatsirwa kwezvinhu zvakakosha zvekuisa chisimbiso - zvisimbiso zvemafuta (cuffs) zvekutyaira.
Iyo drive oil seal inoita akati wandei mabasa:
● Kudzivirira kubuda kwemafuta uye kurasikirwa kweimwe lubricant kubva mumuviri weyuniti kana michina;
● Kudzivirirwa kwechigadziro kubva pakupinda kwemvura, guruva uye tsvina huru;
● Kudzivirirwa kwemafuta kubva pakusvibiswa nemhepo uye mamwe magasi.
Kutyorwa kwekuvimbika kana kurasikirwa kwechisimbiso chemafuta kunotungamira mukudonha kwakakosha kwemafuta uye kusvibiswa, izvo munguva pfupi iri kutevera zvinogona kukonzera kukuvadza kune iyo yese unit.Kuti udzivise izvi, chisimbiso chemafuta chakaneta kana chakashata chinofanira kutsiviwa nenguva.Nekusarudzwa kwakaringana nekutsiviwa kwezvinhu zvekuisa chisimbiso, zvinodikanwa kuti unzwisise marudzi avo aripo, dhizaini uye kushanda.
Mhando, dhizaini uye maficha ekutyaira mafuta zvisimbiso
Ese zvisimbiso zvemafuta anogadzirwa muchimiro chemhete ine U-yakaita chimiro, umo matatu maficha anobuda pachena:
● Mukati kana kushanda - inoumbwa nemicheto yekushanda, chisimbiso chemafuta chinogara pane shaft neiyi nzvimbo;
● Kunze - yakatsetseka kana yakasvibiswa, iyi pamusoro pechisimbiso chemafuta inosangana nemuviri wechikwata;
● Kupera - kazhinji kwakadzika, nzvimbo iyi inofanana nemuviri wechikwata.
Iyo cuff inoiswa pachigaro chemuviri weyuniti (stuffing box) uye inozorora pashaft, nekuda kwedhizaini, kudzvanywa kwayo kumuviri uye shaft kunosimbiswa, iyo inowana chisimbiso.
Oiri zvisimbiso zvakakamurwa kuva marudzi akati wandei zvichienderana nekuvapo / kusavapo kwezvinhu zvakasiyana siyana uye maficha ebasa.
Chokutanga pane zvose, zvisimbiso zvemafuta zvakakamurwa kuva marudzi maviri maererano nekugadzirwa kwavo:
● Frameless;
● Nekusimbisa furemu.
Zvisimbiso zvemafuta zvemhando yekutanga zvinogadzirwa nenzira yemhete elastic yakagadzirwa nerabha yakagadzirwa, pamusoro pemukati iyo iyo mipendero yekushanda inoumbwa.Sezviyero, kune maviri ekushanda macheto muzvisimbiso zvemafuta - kumberi nekumashure, asi nhamba yavo inogona kusvika ina.Mukati memhete mune chitubu chakakomberedzwa chakaputirwa mumhete, icho chinopa kumanikidzwa kwakasimba kwechisimbiso chemafuta kune shaft.
Mafuta zvisimbiso zvemhando yechipiri zvakanyanya kuoma - mukati memhete kune simbi yekusimbisa furemu yeimwe chimiro kana imwe.Kazhinji kazhinji, furemu ine yakatwasuka (ndiro yakakungurutswa mumhete) kana L-yakaita chimiro, asi kune zvisimbiso zvemafuta zvine mafuremu eiyo yakanyanya kuoma chimiro.Zvimwe zvikamu zvakasimbiswa zvakafanana nezvisina kusimbiswa.
Mafuta zvisimbiso ane reinforcing frame akakamurwa kuva matatu maumbirwo emhando:
● Nefuremu yakavharwa;
● Nefuremu isina kuvharwa;
● Nefuremu isina chinhu.
Mukugadzirwa kwerudzi rwekutanga, chigadziko chinowanikwa zvachose mukati memhete yerabha yechisimbiso chemafuta, kana mhete inovhara zvachose kunze kwekunze kwechimiro.Muchiitiko chechipiri, mhete inovhara kuguma uye chikamu chekunze kwechimiro, uye chechitatu, chimiro chinenge chakazaruka zvachose.Oiri zvisimbiso zvine chikamu uye zvachose isina simbi yekusimbisa inoiswa zvakanyanya muchigaro chavo, sezvo ichizorora ichipokana nesimbi muviri weyuniti ine mhete yesimbi.Kunyange zvazvo zvisimbiso zvakadaro zvemafuta zvinopa chisimbiso chakaipisisa, chinomanikidza kushandiswa kwezvisimbiso kana zvimwe zvikamu
Yakajairika dhizaini yedhiraivha mafuta chisimbiso
Kugadzirwa kwechisimbiso chemafuta chisina kusimbiswa ne spring
Dhizaini uye hukuru hukuru hwekusimbiswa kwemafuta chisimbiso nechitubu
Iyo elastic mhete yemarudzi ese ezvisimbiso zvemafuta anogona kugadzirwa emhando dzakasiyana dzesynthetic rubber - acrylate, fluororubber, nitrile butadiene, silicone (organosilicon) nevamwe.Zvinhu izvi zvine kusaenzana kupikisa kutonhora kwepamusoro uye kwakaderera uye mafuta ekuzora, asi iwo ane anenge akafanana coefficients ekukweshera pasimbi uye mechanical simba.
Dhiraivha oiri zvisimbiso zvinogona kuve nezvimwe zvakasiyana zvekuwedzera zvinhu:
● Anther chinhu chiduku chiri mberi kwerin'i chinodzivirira tsvina huru (matombo, shinda, machipisi, nezvimwewo) kuti isapinda muchisimbiso chemafuta.Bhutsu inogona kudzvinyirirwa kurwisa shaft nekuda kweiyo elasticity kana nerubatsiro rwechimwe chitubu chakamonyoroka;
● Outer surface corrugation - corrugation yezvimiro zviri nyore kana zvakaoma, izvo zvinovandudza kukwana kwechisimbiso chemafuta uye kudzivirira kubuda kwemafuta nekumhanya kukuru uye kana tembiricha ichikwira;
● Hydrodynamic knurlings uye notches pamusoro pemukati (kushanda) pamusoro.Dashed notches inoiswa pane imwe kona kune axis yechisimbiso chemafuta, kudzivirira kubuda kwemafuta pakumhanya kwakakwira shaft.Notches inogona kugadzirwa mukati memukati mese, kana muchimiro chemhete dzinoverengeka panzvimbo yekushanda uye mipendero yekushanda.
Oiri zvisimbiso zvakakamurwa kuita mapoka maviri zvinoenderana negwara rekutenderera kwe shaft:
● Kumashafts ane nzira inogara ichitenderera;
● Kumashafts ane reversible rotation.
Zvisimbiso zvezvinangwa zvakasiyana zvakasiyana mumhando yekurovera kana notchi panzvimbo yekushanda.Mune zvisimbiso zvemafuta zvemashafts ane nzira inogara ichitenderera, iyo knurling inogadzirwa nenzira yehatching inotungamirwa mune imwe nzira, saka zvikamu zvakadaro zvinouya ne "kurudyi" uye "kuruboshwe" knurls (notches).Muzvisimbiso zvemafuta anodzoreredzwa, notch iri zigzag kana kuti yakaoma muchimiro.
Chekupedzisira, kune marudzi maviri ekutyaira mafuta zvisimbiso zvinoenderana nedanho redziviriro:
● Zvakajairika (zvakajairika);
● Kaseti.
Zvisimbiso zvemafuta zvakajairika zvine dhizaini yakatsanangurwa pamusoro.Zvisimbiso zvekaseti zvinogadzirwa nenzira yezvindori zviviri zvakaiswa imwe mune imwe (mhete yekunze inomira pamutumbi weyuniti uye inomira pakatarisana neshaft, rin'i yemukati inozorora kunze uye zvishoma inozorora pane shaft) - dhizaini iyi inomira zvakakosha inotakura uye inopa dziviriro iri nani pakupinda kwezvinosvibisa.Zvisimbiso zvekaseti zvinoshandiswa pamayuniti anoshanda mumamiriro ekuwedzera guruva uye kusvibiswa.
Mukupedzisa, tinoona kuti mumotokari, matirakita nemimwe midziyo, dhiraivha zvisimbiso zveoiri zvezvinangwa zvakasiyana zvinoshandiswa: mavhiri mavhiri, giya bhokisi shafts uye gearboxes, fan drive shafts nevamwe.Asi iyo yakawanda yezvikamu zviri mukutakura, iyo yavakawana zita ravo.
Cassette gland design
Nzira yekusarudza uye kutsiva chisimbiso chemafuta ekutyaira nenzira kwayo
Mafuta ekufambisa zvisimbiso anoiswa pasi pemitoro yakakosha, iyo nekufamba kwenguva inotungamira mukupfeka, kukuvara kana kuparadzwa zvachose kwechisimbiso.Kana kubuda kwemafuta kuchiitika, chisimbiso cheoiri chinofanira kutsiviwa, zvikasadaro kushandiswa kwemafuta kuchawedzera uye njodzi yekusvibiswa inowedzera, izvo zvinowanzowedzera kusimba kwekupfeka kwezvikamu zveyuniti.Zvakare, zvisimbiso zvemafuta zvinoda kushandurwa zvinoenderana nekuvandudzwa kwechishandiso - nguva yekutsiva inowanzo kuratidzwa nemugadziri weiyo unit.
Idzo chete mhando nemhando dzezvisimbiso zveoiri dzakamboiswa uye dzakakurudzirwa nemugadziri weiyo michina (inotemerwa nenhamba yechikamu mukatalogi yekutanga) ndiyo inofanirwa kushandiswa kutsiva.Mune zvimwe zviitiko, zvinotenderwa kutendeukira kune zvinotsiva, asi izvi zvinofanirwa kuitwa nekuchenjerera uye uchifunga nezvehunhu hwecuffs nekuda kwezvikonzero zvakasiyana.Semuenzaniso, zvisimbiso zveoiri zveaxle shafts edhiraivha maaxles anofanirwa kuve neinodzoreredza notch (knurling), zvikasadaro mushure mekugadzikwa kwavo pachave nekudonha kwemafuta mune mamwe madhiraivha modhi kana kudonha nguva dzose nekuda kwekusashanda zvakanaka kwechisimbiso.Kune rimwe divi, hazvina musoro kuisa cuff inodzoserwa pane fan, sezvo shaft yekunamwa inogara ichitenderera munzira imwe.
Kutsiviwa kwezvisimbiso zvemafuta ekutyaira kunofanirwa kuitwa zvichiteerana nemirairo yekugadzirisa nekugadzirisa mota.Iri basa rinogona kuda disassembly yakakosha yeyuniti iri kugadziriswa, saka zviri nani kuvimba nayo kune nyanzvi.Paunenge uchitsiva chisimbiso iwe pachako, unofanirwa kunyatso kuomerera kune zvinokurudzirwa zvinopihwa mumirayiridzo, kana zvisina kudaro kune njodzi yakakura yekukuvadza chikamu kana kuisa zvisiri izvo.Kuzorora kwecufu yekare kunogona kuitwa neyakajairwa screwdriver kana chimwe chinhu chakanongedza, asi izvi zvinofanirwa kuitwa nekuchenjerera kuti zvisakuvadza pamusoro pemuviri uye shaft.Zviri nani kuisa chisimbiso chitsva uchishandisa yakakosha mandrel inova nechokwadi chekunyura kweyunifomu yechisimbiso chemafuta mubhokisi re gland.Usati waiswa, cuff inozorwa ne lubricant.Mumamiriro ezvinhu apo chisimbiso chemafuta chine chisimbiso chisina kana kuti chikamu chekusimbisa chinoshandiswa chinoshandiswa, zvakakosha kubata nzvimbo yekubatana kwechimiro nemuviri wechikwata nechisimbiso.Mushure mekupedza basa, zvakakosha kuwedzera mafuta kune crankcase yeyuniti.
Nekusarudzwa kwakakodzera uye kutsiva kwechisimbiso chemafuta ekutyaira, iyo unit ichaita mabasa ayo nekuvimbika, mashandiro ayo haazovhiringidzwa nekudonha uye kusvibiswa kwemafuta mune chero mamiriro ekushanda.
Nguva yekutumira: Jul-13-2023