Kunjani Ukuba Iclamp Zokwenza Kuphumayo Ngokuhlwanya?

Indlela Yokuvibrasi: Ngani Kusidinga Ukuthi i-Suspension Clamps Zihlale Ngokuvibrasi Kwe-Aeolian Nokuvibrasi Okwesikhathi Esifanayo

Imisebenzi YokuVibrasi Kwe-Aeolian Nokuthi Kuyakwenza Kanjani Ukuvibrasi Kwe-Conductor-Fitting Interfaces

Xa izulu ezihlanya kakhulu phakathi kwemitha-5 kuya ku-25 ngamazulu ziyahlanya emaphethelweni, zenza into ebizwa ngokuthi uvibration ye-aeolian. Lokhu kusungulwa ngoba isulu kwenza amaswiri aphathukutshane ngomzimba wamawhili, akhuthaza ukuthi aqhamele phambi nembali kumazinga okuqhubeka kuka-3 kuya ku-150 hertz. Ukuphazanyiswa akukho mkhawulo kodwa kusheshayo kangaka ukuthi kwenzeke ukugcinwa kwezinkinga lapho umxhafi uphakeme kumashumi, ikakhulukazi kubonakala kambili kumbuzo wamaqedi amabili. Ngokwehluleka kwesikhathi, lokhu kuthinta into abazali abangcolisa yibiza ngokuthi fretting fatigue. Uma akukho mthetho uzungezileyo, ukugcina kwegugu kuyagcinwa kunezinye futhi kuhola imigodolo engaphezu kwezinye. Izinhloso zebonakala ukuthi ezigonini nesililo sikhulu, lo msebenzi kusungulwa kuhlaba kungcono njengoba 40% ngokuvamile ngokomlando wesicwaningo esabelwe ngu-Transmission Research Group ngoPitshini. Kuyazekelwa, izinhlelo ezintsha ze-suspension clamps ezidolophiwe ngokuthi ziphenduke izinkinga zengcinwa zisebenza ngokuphazanyiswa ngamathuba amathathu amakhulu:

• Ukugxilwa kwe-Elastomer , ukuguqula imvelo yokuhamba ku-heat ngokusebenzisa ukudampunga kwe-hysteresis
• Umphakathi wokuphatha okuhlelwe , ukusawula umthelela kusuka kwezinyathelo ezibomvu ezinokuthi zizame ukubhekana nokufa kwemithambo
• Iziqu zezihluzi eziphambili , ukuvimbela ukubheka kwe-harmonic futhi ukunqoba ukuthi umthelela uhlulekile kusukela kwezinyathelo ezithile

Iziphumo zempilo yokwesekwa: Ukufa kwemithambo, Ukusuka kwezinyathelo ezincinci, futhi Ukufa Okwakhiwe Ngaphambi Kwesikhathi

Ukukhangelwa okungafanele kwezivumelwano zokubheka kuyabangela izimo ezithathu zokufa ezihlanganiswe okuzimelela ukuthi isistimu ayisekeli noma iyadlula isikhathi sokusekwa:

Ngamashumi amabili nesihlanu, umuntu omunye ngamashumi amabili nesihlanu wezinyathelo zokungavumelekile kwezinhlangano zokuthumela ezindaweni eziyisikhulu ziyasendaweni lezi zizindlela. Uma sibheka ukuphupha okuphansi ngokuphelele, loku kuyisigaba esikhulu sokubulawa. Emazweni apho ukuzimba kuyasebenza kakhulu, lokho okuphansi okukhulu kuyabulawa isikhathi sokugcina kwezinyathelo ngamashumi amashumi amabili nesihlanu kuya kufika ku-20. Futhi lokhu kuyabonisa ukuthi kuyaspendeka imali enkulu kwezinyathelo zokuzilonda okungekho kubalulekile futhi kuyasendwa izinto ezinconyiweyo phambi kokuthi zibe yizinto ezinconyiweyo. Izinyathelo zokugcina ezintsha ziyasebenza ngendlela eyodwa. Aziyizama ukuzimba konke ukuzimba, okungakwaziwa ngokuphelele. Kodwa ziyasebenza ngendlela efanele, ukudlula kwezimali kwezinyathelo kanye nokuphakanyisa izindawo zokuzimba phakathi kwezinyathelo nezinyathelo zokugcina.

Izindlela Zokuphatha Ukuzimela Kwemithambo Yokuqonda Kwezindlela Zokugcina I-Suspension

Ukufaka kwe-Elastomer: Ukuphatha Ukuzimela Kwemithambo Yokuqonda Nokuhlela Ukukhula Kwemithambo Yokuqonda

Izingxenye zenjoloba zidlala indima ebalulekile ekunciphiseni ukudlidliza namuhla, kodwa azisezona nje izinto zokugcoba. Lezi zingxenye ziye zaba izakhi eziyinkimbinkimbi ezishukumisayo ngenxa yalokho okubizwa ngokuthi i-hysteresis damping. Okwenzekayo ukuthi zithatha lokho kudlidliza okuvela emoyeni nakwezinye izindawo, bese zikuguqula kube amandla okushisa. Lokhu kuvimbela ukwakheka kokuphenduleka okuyingozi kumaza athile omqhubi okungadala izinkinga. Izindaba ezinhle ngempela konjiniyela ukuthi izinto zanamuhla zenjoloba zigcina amandla azo nokuqina kwazo ngisho nalapho amazinga okushisa esuka kuma-degree Celsius angu-40 kuya kwangu-80 ngaphansi kwezinga eliphansi. Lokhu kusho ukuthi zingase zihambisane kahle namazinga ahlukahlukene okudlidliza ngokuhamba kwesikhathi. Ukuhlolwa kwezwe langempela kubonisa ukuthi lezi zixazululo zenjoloba zinciphisa amazinga okudlidliza cishe ngo-60% uma kuqhathaniswa nama-clamp ensimbi avamile. Futhi lokhu akuyona nje indaba engokombono, empeleni kuyayivimbela imifantu emincane ukuba ingabi khona futhi kuvimbele imicu ukuba ingasebenzi ngaphambi kwesikhathi, konke lokhu kuyilapho kugcina ukucindezelwa komqhubi nokuwa lapho kufanele kube khona ukuze kusebenze kahle.

Umjikelo wa Wiri Ophuzekileyo Okulandelayo Nenqubo Yezinye Indawo Zokuxhumana Ukulungiselela Ukudakwa

Umboniso wokudonsa kwawhili ubonakala njengendlela eqondene yokuphatha ukugcinwa kwiwiri. Ngokudonsa amawhili ngendlela yehelical, kuyahlukanisa indlela yokudonsa ngokulinganile kuzo zonke izinye ngaphandle kokuthi kuthunyelwe ngokuguqulwa emaphandleni ayethile. Lokhu kusiza ekukhulula ukwephula okusheshayo okutholakala emaphandleni aphawuliwayo lapho amathambo athinta kuqala. Isici esibalulekile sokuthuthwa sitholakala kumsebenzi wokugcina okusetshenziselwa kumagrooves ephawuliwa. Le magroove anamandla abhekene angakhuphula okungenani kabusha kakhulu kunemisebenzi engcono, wonke ngokuqinisekisa ukuncipha kwezinkinga zokugayaya. Xhuma le magroove ngezimboniso ezithile eziphulula ukugayaya futhi sibona oko kube nzima ngaphezu kuka-70 yezinkinga zokuhlehleka ngaphansi ngokwesicelo saOverhead Transmission Reliability Consortium ngo-2022. Oko kubalulekile kakhulu kodwa kukuthini konke kuhlale kubi noma kuthi kufihlwa kizinhlo nyane eziningi kakhulu kune-15 Hz. Inhlangano ithola ubomi obude okuphumelelayo okuphakade kakhulu kunoko okutholakala ngokuvamile phansi kwezimo ze-Aeolian.

Ukusebenza Okuqinisekisiwe: Ubufakazi Basensimini Nokuthuthukiswa Kempilo Yenkonzo Ngezixubho Zokumisa Ezithuthukile

Ukuqinisekiswa kwezwe langempela kuqinisekisa ukuthi ukunciphisa ukudlidliza okuhlanganisiwe kunikeza inzuzo enokulinganiswa yengqalasizinda - ikakhulukazi lapho izingcindezi zemvelo zandisa ukukhathala kwemishini.

Isifundo Secala: Ukwehliswa kwama-72% Okwehliswayo Kokukhathala Emigqeni Yomoya Yasogwini Engu-230 kV

Ukuhlolwa kwensimu kwezinyanga ezingu-34 emgqeni ongasogwini ongama-230 kV kuqhathaniswa nama-clamp okuxhuma amadala namayunithi athuthukile anezixhumi ezibonakalayo ezenziwe nge-elastomer nama-alloys amelana nokugqwala. Imiphumela yabonisa:

• ukwehluleka kokukhathala kwabaqhubi kunciphe ngo-72%
• ukwehliswa kwezigameko zokugwedla okuncane ngo-68%
• Izikhathi zokugcinwa zandiswa ngezinyanga ezingu-22

Ukuphumelela kusuka kumthetho wokulungiselela kwakhona okutholakala ngemeko yokuqasha isimo futhi kuthuthukiswa ukugcina kwezimali ekuhlangothini phakathi kwegolide nesilawuli. Lokhu kulingana nokutholwa kwezinye izinkampani: ukuguquka kwezinhlelo nezimpendulo zokulungisa kuzindlela zokuhlola kungaholela ngaphezulu kwezingu-15 iminyaka emva kokuthi ihlale ikhona emaphandleni aphathelene kanye namaphaneleni aphathekayo.

Ukuthunyelwa Kwesakhiwo: Ukulungana Kokuqinekelwa KweVibration Nekudala Kwezimali Nezindleko Zomkhawulo

Ukudizaina kwebhulanki yethikili enempilo kudinga ukuthola isiphazamiso phakathi kwezinsuku ezintathu eziphambene: ukuphelisa izivivinyo, ukusebenza kakhulu emaqashini amaningi, nokuphatha izindlela zokulahlekelwa ngempela. Isidingo kukuthi uhlinze ubhulanki abangasebenzi ngaphandle kokuchithwa xa kusetyenziswa emaqashini amaningi. Cabanga ngezimo apho ikhanda likhuphuka emadodakini okuyila noma izinkinga eziphazanyayo ziyenzeka izinto ezintathimbi kune-kilonewton 15. Ukulungiselela lezi zinkinga, abasebenzi bengenje baye baya kumagunya akhethekile angaphansi kwe-rubber nezandla ezihlaziyweyo kwindlela yokudizaina kwebhulanki. Lezi zinto kudinga ukuzivocavoca ngokugcwele ngokusebenzisa imiyalelo yekhompyutha ukuqinisekisa ukuthi azikwazi ukudala izindawo ezingcono noma izindawo ezindebe xa ziphoqwa kwindlela enkulu noma kulezo zihlabelelo ezixhentsayo ezigcina zibonakala emadodakini.

Ukukhetha izimboni ezifanelekileyo kuyaphawula njengalokhu konke lokulandelayo kule ndlela. Kufuneka izinkinga zilindele ukuthi zibe nezici zabo ze-hysteresis noma emva kokushiswa okuphakade kusuka ku-minus 40 degrees Celsius kuya ku-plus 80. Kufuneka bazameleka nakwezimali zika-UV nokugcwaliseka okuthintana nesalathiyamu, ikakhulu emva kwe-conductor clamp interfaces lapho ukuchithwa kwebhubhubhu kungaqala kwanamuhla. Uma sizama izidingo zokuphila ezihlaziyekayo kulezi zimboni, okuqondwa kukhona ukuthatha izinhlelo ezigcinwe ngcono kwenza kube yini ukuthi lezi ziphazinyana aziphinde phansi embangeni wokuxhumana, lokho kusho ukuthi izikhathi zokulungisa zidluliselwa kabili. Ngokwesiko, abayikhi manje bakhokhelwa emachineni akhethekileyo aqinisekisa ukuthinta okutholakala emashishini ngeminyaka engaphezu kwesikhathi esincane kuphela. Lezi zilinganiso ezibonakalayo zibonisa ngqondo ukuthi uma izinkampani ziqhakaza ekuthinteni izivibrashiya ngelokhu ezilondoloza ubomi obude kanye nesimo sezimu ngaphandle kwegcinwa, zizohlala zisinda kusuku 34% kumali yokubuyisela imigudu ngokwesicelo esahlukanisiwe ngu-Transmission R&D ngo-2023.

Imibuzo Evame Ukubuzwa

Umbuzo wokuthi i-Aeolian vibration yini?

I-Aeolian vibration ibhuka xa imiyane eyodwa ithinta amaphathi emithombo yezimboni, kubonisa ukuthi zihlaziywa ngamafrekhwensi amathile, okungaba yindlela yokuthinta izikhundla zokugcina.

Izikhundla zokugcina zezindaba zokuhlaziywa zingasebenza kanjani ukunciphula izinkinga zokuhlaziywa?

Izikhundla zokugcina zezindaba zokuhlaziywa zisebenzisa ukugcina kwe-elastomer, ukuphepha kwesikhundla sokugcina, nokugcina kwezimbali zemithombo yezimboni ukuze zihlanzele isibonelo sokuhlaziywa kanye nokunciphula ukuthinta okufanayo.

Ukugcina kwe-elastomer kusenxa kanjani ekunciphuleni ukuhlaziywa?

Ukugcina kwe-elastomer kusiza ekuguquleni imithandazo yokuhlaziywa ku-heat, ukunciphula ukukhanya kwezinhlobo, nokunqoba ukuthi izinkambu zokugqibela zibekele.

Izikhundla zokugcina zezindaba zokuhlaziywa zingasiza kanjani ngakumbi kunazo ezintsha?

Amathuba asekhaya asho ukuthi izikhundla zokugcina zezindaba zokuhlaziywa zinakunciphula izinkinga zokugqibela ngama-72% kanye nezinkinga zokuhamba kwe-micro-slippage ngama-68%, okunqoba ukuphindeleka kwezikhundla zokugcina.