Girgizawar motar za ta gajarta rayuwar iskar rufin iska da ɗaukar nauyi, kuma tana shafar lubrication na al'ada na zamiya.Ƙarfin girgiza yana haɓaka haɓakar ratawar ɓoyewa, ƙyale ƙurar waje da danshi su shiga cikinsa, yana haifar da raguwar juriya da haɓakar ɗigogi a halin yanzu, har ma da samuwar ɓarna.jira hatsarin.

Bugu da kari, motar tana haifar da girgiza, wanda ke da sauƙin fashe bututun ruwa mai sanyaya, kuma wurin walda yana girgiza.A lokaci guda, zai haifar da lalacewa ga na'ura mai ɗaukar nauyi, rage daidaiton aikin aikin, haifar da gajiyar duk sassan injin da aka yiwa girgiza, da sassauta screws na anka.Ko kuma ya karye, motar za ta haifar da lalacewa mara kyau na gogewar carbon da zoben zamewa, har ma da gobarar goga mai tsanani za ta ƙone rufin zoben mai tarawa, kuma motar za ta haifar da hayaniya mai yawa, wanda gabaɗaya yana faruwa a cikin injin DC.

 

Dalilai Goma na Jijjiga Motoci

 

1.Wanda ya haifar da rashin daidaituwar na'ura mai juyi, ma'aurata, hada guda biyu, dabaran watsawa (hanyar birki).

2.Bakin ƙarfe na ƙarfe yana kwance, makullin maɓalli da fil ɗin ba su da inganci kuma ba su da kyau, kuma ba a ɗaure na'urar ba da ƙarfi, wanda zai haifar da rashin daidaituwa na ɓangaren juyi.

3.Tsarin shaft na ɓangaren haɗin gwiwa ba a tsakiya ba, layin tsakiya ba daidai ba ne, kuma ƙaddamarwa ba daidai ba ne.Dalilin wannan gazawar yana faruwa ne ta hanyar rashin daidaituwa da rashin dacewa yayin aikin shigarwa.

4.Layin tsakiya na sashin haɗin gwiwa ya zo daidai a cikin yanayin sanyi, amma bayan gudu na wani lokaci, saboda lalacewa na rotor fulcrum da tushe, layin tsakiya ya sake lalacewa, wanda ya haifar da girgiza.

5.Gears da couplings da aka haɗa da motar ba su da kyau, kayan aikin ba su da kyau, haƙoran gear sun sawa sosai, lubrication na ƙafafu ba su da kyau, haɗakarwa sun karkace kuma sun rabu, haɗin haɗin haƙori suna da siffar haƙori da farar da ba daidai ba, kuma wuce kima yarda.Babban lalacewa ko tsanani, zai haifar da wani adadin girgiza.

6.Rashin lahani a cikin tsarin motar da kanta, jarida yana da elliptical, shaft yana lanƙwasa, rata tsakanin shaft da daji mai ɗaukar nauyi ya yi yawa ko ƙananan ƙananan, da rigidity na wurin zama, farantin tushe, wani ɓangare na tushe. kuma ko da duka tushen shigarwa na mota bai isa ba.

7.Matsalolin shigarwa, motar da farantin tushe ba a gyara su da kyau ba, ƙullun ƙafar ƙafa suna kwance, wurin zama da farantin gindi, da dai sauransu.

8.Matsakaicin girma ko ƙarami da yawa tsakanin shaft da daji mai ɗaukar nauyi ba zai iya haifar da girgiza kawai ba, har ma da sanya lubrication da zafin jiki na daji mai ɗaukar nauyi ya zama mara kyau.

9.Nauyin da motar ke motsa shi yana gudanar da jijjiga, kamar girgizar fanfo da famfo na ruwa da motar ke yi, wanda hakan ya sa motar ta yi rawar jiki.

10.Wutar lantarki ta AC ba daidai ba ce, juzu'in jujjuyawar raunin asynchronous motor gajere ne, jujjuyawar motsin injin ɗin yana ɗan gajeren kewayawa tsakanin jujjuyawar, motsin motsi na injin ɗin yana haɗa ba daidai ba, rotor na motar asynchronous na nau'in keji ya karye, kuma lalacewar na'urar rotor core yana haifar da tazarar iska tsakanin stator da rotor ta kasa.A ko'ina, tazarar iskar maganadisu ba ta daidaita kuma ana haifar da girgiza.

Abubuwan da ke haifar da girgizawa da lokuta na yau da kullun

Akwai manyan dalilai guda uku na girgiza: dalilai na lantarki;dalilai na inji;electromechanical hadawa dalilai.

 

1. Dalili na Electromagnetic

1.Dangane da samar da wutar lantarki: wutar lantarki mai kashi uku ba ta da daidaituwa, kuma injin mai hawa uku yana gudana ba tare da lokaci ba.

2. A cikinstator: core stator ya zama elliptical, eccentric, da sako-sako;iskar stator ya karye, rushewar ƙasa, gajeriyar da'ira ta tsaka-tsaki, kuskuren wayoyi, da kuma yanayin halin yanzu na lokaci uku na stator ba shi da daidaito.

Misali: Kafin gyaran injin fan ɗin da aka rufe a cikin ɗakin tukunyar jirgi, an sami jan foda a cikin ma'aunin ƙarfe na stator, kuma ana zargin cewa tushen ƙarfen ƙarfen ya yi sako-sako, amma ba wani abu bane da ke cikin iyakokin daidaitaccen aikin. don haka ba a sarrafa shi ba.Shirya matsala bayan maye gurbin stator.

3.Rashin ƙarfi na rotor: Cibiyoyin rotor ya zama elliptical, eccentric da sako-sako.Wurin cajin rotor da zoben ƙarshen suna buɗewa da welded, shingen kejin rotor ya karye, jujjuyawar ba daidai ba ne, kuma tuntuɓar goga ba ta da kyau.

Misali: A lokacin da injin tsinken hakori ke aiki a sashin mai barci, an gano cewa stator current na motar yana murzawa baya da baya, kuma girgizar motar ta karu a hankali.Bisa ga al'amarin, an yanke hukuncin cewa za a iya walda da kuma karye kejin rotor na motar.Bayan da aka tarwatsa motar, an gano cewa rotor kejin ya karye a wurare 7., bangarorin biyu masu tsanani da kuma zoben ƙare duk sun karye, idan ba a samo su a cikin lokaci ba, za a iya samun mummunan hatsari wanda zai iya haifar da stator ya ƙone.

 

2. dalilai na injiniya

 

1. Motar kanta

Rotor ba shi da daidaituwa, jujjuyawar juyi yana lanƙwasa, zoben zamewa ya lalace, ratar iska tsakanin stator da rotor ba daidai ba ne, cibiyar maganadisu na stator da na'ura mai jujjuyawar ba ta dace ba, abin da ke ɗaure ba daidai ba ne, shigarwa na tushe bai dace ba. matalauta, da inji tsarin ba karfi isa, resonance, anka dunƙule sako-sako da, da kuma motor fan ya lalace.

 

Halin na yau da kullun: Bayan maye gurbin na sama na injin famfo na condensate a cikin masana'anta, girgizar motar ta ƙaru, kuma na'ura mai juyi da stator sun nuna ɗan alamun sharewa.Bayan an yi nazari da kyau, an gano cewa an ɗaga rotor ɗin motar zuwa tsayin da ba daidai ba, kuma cibiyoyin maganadisu na rotor da stator ba su daidaita ba.Gyara Bayan an maye gurbin dunƙule turawa tare da hula, an kawar da laifin jijjiga motar.Bayan sake fasalin, girgizar motar hawan igiyar giciye ya yi girma da yawa, kuma akwai alamun karuwa a hankali.Lokacin da aka sauke motar, an gano cewa motsin motar yana da girma sosai, kuma akwai motsi mai yawa.An gano cewa rotor core sako-sako ne., Hakanan akwai matsala tare da ma'aunin rotor.Bayan maye gurbin na'urar rotor, an kawar da kuskuren, kuma an mayar da na'urar ta asali zuwa masana'anta don gyarawa.

 

2. Daidaitawa tare da haɗin gwiwa

Lalacewar haɗakarwa, ƙarancin haɗin haɗin gwiwa, rashin daidaitaccen haɗin haɗin gwiwa, injin kaya marasa daidaituwa, haɓakar tsarin, da sauransu.Tsarin shaft na ɓangaren haɗin gwiwa ba a tsakiya ba, layin tsakiya ba daidai ba ne, kuma ƙaddamarwa ba daidai ba ne.Dalilin wannan gazawar yana faruwa ne ta hanyar rashin daidaituwa da rashin dacewa yayin aikin shigarwa.Wani yanayi kuma shi ne, layin tsakiyar wasu sassan haɗin gwiwa sun zo daidai a cikin yanayin sanyi, amma bayan gudu na wani lokaci, saboda lalacewar na'urar rotor fulcrum da tushe, layin tsakiya ya sake lalacewa, wanda ya haifar da girgiza.

 

Misali:a.Girgizawar injin famfo ruwa da ke kewaya ya yi girma da yawa yayin aiki.Babu matsala a cikin binciken motar, kuma babu-nauyi na al'ada ne.Ƙungiyar famfo tana tunanin cewa motar tana gudana akai-akai.A ƙarshe, an gano cewa cibiyar daidaitawar motar ta yi nisa sosai.Bayan tabbatacce, an kawar da girgizar motar.

b.Bayan maye gurbin juzu'in daftarin fan ɗin da aka jawo a cikin ɗakin tukunyar jirgi, motar za ta yi rawar jiki yayin gwajin gwajin kuma motsi mai hawa uku na injin zai ƙaru.Bincika duk da'irori da kayan lantarki.A ƙarshe, an gano abin da bai cancanta ba.Bayan maye gurbin, ana kawar da vibration na motar, kuma yanayin motsi na lokaci uku na motar shine The current kuma ya koma al'ada.

3. Dalilan hadawar mota

1.Sau da yawa jijjiga mota yana faruwa ne ta hanyar rashin daidaituwar tazarar iska, wanda ke haifar da ƙarfin jan wutar lantarki guda ɗaya, kuma ƙarfin jan wutar lantarki ɗaya na ƙara ƙara tazarar iska.Wannan tasirin matasan na lantarki yana bayyana azaman jijjiga mota.

2.Motsi na axial na motar yana haifar da tashin hankali na lantarki wanda ya haifar da nauyin rotor da kansa ko matakin shigarwa da kuma cibiyar da ba daidai ba na ƙarfin maganadisu, yana sa motar ta motsa axially, yana sa motar ta yi rawar jiki.tashi da sauri.

Gears da couplings da aka haɗa da motar ba su da kyau.Irin wannan gazawar yana bayyana ne a cikin rashin haɗin gwiwa na kayan aiki mai mahimmanci, raunin haƙoran gear mai tsanani, rashin lubrication na dabaran, skew da rashin daidaituwa na haɗin gwiwa, kuskuren haƙori da farar haɗin haɗin haƙori, ƙetare wuce haddi ko lalacewa mai tsanani, wanda zai haifar da wasu. lalacewa.girgiza.

Rashin lahani a cikin tsarin motar kanta da matsalolin shigarwa.Wannan nau'in kuskuren yana bayyana ne a matsayin mujallar ellipse, lankwasa shaft, babba ko ƙananan rata tsakanin shaft da daji mai ɗaukar nauyi, rashin isasshen ƙarfi na wurin zama, farantin tushe, ɓangaren tushe har ma da kafuwar shigarwa na mota gabaɗaya, daidaitawa tsakanin motar da kuma ɗaukar hoto. farantin tushe Ba shi da ƙarfi, ƙullun ƙafafu suna kwance, wurin zama da farantin gindi suna kwance, da dai sauransu.Matsakaicin wuce gona da iri da yawa tsakanin shaft da daji mai ɗaukar nauyi ba zai iya haifar da girgiza kawai ba, har ma da sanya lubrication da zafin jiki na daji mai ɗaukar nauyi.

 

Jijjiga mai ɗaukar nauyi ya ja motar

Misali: turbine na injin injin turbine yana girgiza, fanfo da fanfo na ruwa da motar ke tukawa ta yi rawar jiki, hakan ya sa motar ta yi rawar jiki.

Yadda ake gano dalilin girgiza?

 

Don kawar da girgizar motar, dole ne mu fara gano dalilin girgizar.Ta hanyar gano dalilin girgizar kawai za mu iya ɗaukar matakan da aka yi niyya don kawar da girgizar motar.

 

1.Kafin a tsayar da motar, yi amfani da mitar girgiza don duba girgizar kowane bangare.Don sassan da ke da babban rawar jiki, gwada ƙimar girgizar a cikin kwatance uku a tsaye, a kwance da kwatance axial.Idan screws na anga sunyi sako-sako da sukurori na ƙarshen ƙarshen sukurori, zaku iya ƙara ƙara kai tsaye, kuma auna girman girgizar bayan ƙara don lura ko an kawar da shi ko an rage shi.Na biyu, duba ko wutar lantarki mai kashi uku na samar da wutar lantarki daidai ne, da kuma ko fuse mai mataki uku ya busa.Ayyukan motsa jiki guda ɗaya na motar ba zai iya haifar da girgiza kawai ba, amma kuma zai sa yanayin zafin motar ya tashi da sauri.Duba ko mai nunin ammeter yana jujjuyawa baya da baya.Lokacin da rotor ya karye, halin yanzu yana jujjuyawa.A ƙarshe, duba ko yanayin halin yanzu mai hawa uku na motar yana daidaitawa.Idan akwai matsala, tuntuɓi mai aiki don tsayar da motar cikin lokaci don guje wa kona motar.lalacewa.

 

2.Idan ba a warware girgizar motar ba bayan an yi maganin abin da ke faruwa a saman, ci gaba da cire haɗin wutar lantarki, kwance haɗin haɗin, da kuma raba kayan da aka haɗa da motar.Idan motar da kanta ba ta yi rawar jiki ba, yana nufin tushen jijjiga Yana faruwa ne ta hanyar kuskuren haɗakarwa ko na'ura mai ɗaukar nauyi.Idan motar ta girgiza, yana nufin cewa akwai matsala tare da motar kanta.Bugu da ƙari, ana iya amfani da hanyar gazawar wutar lantarki don bambance ko lantarki ne ko inji.Lokacin da aka yanke wutar lantarki, motar ba za ta yi rawar jiki nan da nan ba ko kuma Idan girgizar ta ragu, dalili ne na lantarki, in ba haka ba ya zama gazawar inji.

 

Gyara sanadin gazawar

1. Kula da dalilai na lantarki:

Na farko shine don ƙayyade ko juriya na uku na DC na stator ya daidaita.Idan shi ne unbalanced, yana nufin cewa akwai wani bude walda sabon abu a cikin waldi part na stator dangane.Cire haɗin iska don gano matakan.Bugu da ƙari, ko akwai ɗan gajeren kewayawa tsakanin juyi a cikin iska.Idan an ga alamun ƙonawa a saman, ko auna iskar stator da kayan aiki, bayan tabbatar da gajeriyar kewayawa tsakanin jujjuyawar, ɗauki motar da ke juye wayan kuma.

Misali: injin famfo ruwa, yayin aiki, injin ba kawai girgiza sosai ba, har ma da yanayin zafi mai ɗaukar nauyi.Ƙaramar gwajin gyare-gyare ta gano cewa juriyar DC ɗin motar ba ta cancanta ba, kuma iskar gas na motar yana da yanayin bude walda.Bayan an gano laifin kuma an kawar da shi ta hanyar kawar, motar tana aiki akai-akai.

2. Kula da dalilai na inji:

Bincika cewa tazarar iska iri ɗaya ce, kuma gyara tazarar iskar idan ƙimar da aka auna ta fita daga ƙayyadaddun bayanai.Bincika abin da aka yi amfani da shi, auna izinin ɗaukar kaya, idan bai cancanta ba, maye gurbin shi da sabon nau'i, duba nakasawa da rashin daidaituwa na ƙarfe, za a iya ciminti na baƙin ƙarfe mai laushi tare da manne na resin epoxy, duba sandar juyawa, gyara lankwasa igiya mai jujjuyawa, sake aiwatarwa ko daidaita shaft ɗin kai tsaye, sannan yi gwajin ma'auni akan rotor.A lokacin aikin gwaji bayan gyaran motar mai busa, motar ba kawai ta girgiza sosai ba, har ma da yawan zafin jiki na daji ya wuce misali.Bayan kwanaki da yawa na ci gaba da jiyya, laifin ya kasance ba a warware ba.Lokacin da ’yan ƙungiyarmu suka taimaka wajen magance shi, sun gano cewa tazarar iska na motar tana da girma sosai, kuma matakin kujerar tayal bai cancanta ba.Bayan an gano musabbabin gazawar kuma aka gyara gibin kowane bangare, motar ta samu nasarar gwaji.

3. Ana duba sashin injin na kaya akai-akai, kuma motar kanta ba ta da matsala:

Dalilin gazawar yana haifar da sashin haɗin gwiwa.A wannan lokacin, ya zama dole don bincika matakin asali, karkata, ƙarfin motar, ko daidaitawar tsakiya daidai ne, ko haɗin haɗin gwiwa ya lalace, kuma ko tsawaita bututun injin da iska ya cika buƙatun.

 

Matakan magance jijjiga mota:

 

1.Cire haɗin motar daga kaya, gwada motar fanko, kuma duba ƙimar girgiza.

2.Duba ƙimar girgizar ƙafar motar.Dangane da ma'auni na ƙasa GB10068-2006, ƙimar girgizar farantin ƙafa bai kamata ya wuce 25% na daidaitaccen matsayi na ɗaukar hoto ba.Idan ya zarce wannan ƙimar, tushen motar ba tushe mai ƙarfi ba ne.

3.Idan ɗaya daga cikin ƙafafu huɗu ko biyu ne kawai ke girgiza diagonal wanda ya wuce daidaitattun ma'auni, sassauta maƙallan anka, kuma girgizar za ta cancanci, yana nuna cewa ƙasan ƙafafu ba ta da kyau.Bayan an ƙara ƙusoshin anga, tushen injin zai lalace kuma ya yi rawar jiki.Sanya ƙafar ƙasa da ƙarfi, sake daidaita su, kuma ƙara ƙuƙumman anga.

4.Cikakkun ƙara maƙallan anka guda huɗu akan tushe, kuma ƙimar girgizar motar har yanzu ta zarce ma'auni.A wannan lokacin, duba ko haɗin haɗin da aka sanya a kan tsawo na shaft yana da matakin tare da kafada.Ƙarfi mai ban sha'awa zai sa motar ta yi rawar jiki a kwance fiye da ma'auni.A wannan yanayin, ƙimar girgiza ba za ta wuce da yawa ba, kuma ƙimar girgizar za ta ragu sau da yawa bayan docking tare da mai watsa shiri.Ya kamata a lallashe masu amfani don amfani da shi.An shigar da motar igiya guda biyu a cikin maɓallin rabi a cikin maɓalli na tsawo na shaft bisa ga GB10068-2006 yayin gwajin masana'anta.Ƙarin maɓalli ba zai ƙara ƙarin ƙarfin motsa jiki ba.Idan kana buƙatar magance shi, kawai yanke ƙarin makullin don yin shi fiye da tsayi.

5.Idan girgizar motar ba ta wuce ma'auni a cikin gwajin iska ba, kuma girgiza tare da kaya ya wuce misali, akwai dalilai guda biyu: daya shine cewa rashin daidaituwa yana da girma;Lokaci na adadin da ba a daidaita shi ba ya mamaye, kuma ragowar adadin da ba daidai ba na dukan shafting a wuri ɗaya bayan haɗin gwiwa yana da girma, kuma ƙarfin motsa jiki da aka haifar yana da girma kuma yana haifar da girgiza.A wannan lokacin, za a iya kawar da haɗin gwiwar, kuma ko dai ɗayan biyun za a iya jujjuya shi da 180 ° C, sa'an nan kuma za a iya haɗa na'urar gwajin, kuma girgizar za ta ragu.

6. Idansaurin girgiza (ƙarfin) bai wuce ma'auni ba, kuma saurin girgiza ya zarce ma'auni, kawai za'a iya maye gurbinsa.

7.Saboda rashin dacewar na’urar rotor na motar igiyar igiya guda biyu, na’urar za ta zama nakasu idan ba a dade da amfani da shi ba, kuma za ta iya girgiza idan aka sake juyawa.Wannan shine dalilin rashin kyawun ajiyar motar.A ƙarƙashin yanayi na al'ada, ana adana motar igiya biyu a lokacin lokacin ajiya.Motar ya kamata a crank kowane kwanaki 15, kuma crank ya kamata a juya a kalla sau 8 kowane lokaci.

8.Girgizawar motsi na motsi mai zamewa yana da alaƙa da ingancin taro na daji mai ɗaukar nauyi.Yakamata a bincika ko daji mai ɗaukar nauyi yana da matsayi mai tsayi, ko mashigar mai na daji ya wadatar, ƙarfin ƙarfafa daji mai ƙarfi, izinin bushewa, da kuma ko layin magnetic ya dace.

9. InGabaɗaya, ana iya yin la'akari da dalilin girgizar motar kawai daga ƙimar girgizar a cikin kwatance uku.Idan girgizar da ke kwance tana da girma, rotor ba shi da daidaituwa;idan vibration na tsaye yana da girma, tushe na shigarwa ba shi da lebur;idan vibration na axial yana da girma, an haɗa nau'i-nau'i.low quality.Wannan hukunci ne mai sauƙi.Wajibi ne a gano ainihin dalilin girgizawa bisa ga yanayin wurin da abubuwan da aka ambata a sama.

10.Ya kamata a biya kulawa ta musamman ga girgizar axial don rawar jiki na nau'in akwatin akwatin Y jerin.Idan girgizar axial ta fi rawar radial girma, zai haifar da babban lahani ga motsin motar kuma zai haifar da haɗari mai ɗaukar shaft.Kula da kula da yawan zafin jiki.Idan wurin gano wuri ya yi zafi da sauri fiye da wurin da ba ya nan, ya kamata a dakatar da shi nan da nan.Wannan shi ne saboda girgizawar axial wanda ya haifar da rashin isasshen ƙarfin axial na tushe na inji, kuma ya kamata a ƙarfafa tushen injin.

11.Bayan na'ura mai jujjuya yana daidaita daidaitaccen ma'auni, ragowar rashin daidaituwa na na'ura ya inganta akan na'urar kuma ba zai canza ba.Jijjiga motar kanta ba zai canza tare da canjin wuri da yanayin aiki ba.Ana iya magance matsalar girgiza da kyau a rukunin yanar gizon mai amfani.na.A karkashin yanayi na al'ada, ba lallai ba ne don yin tabbatar da ma'auni mai ƙarfi a kan motar lokacin da ake yin overhauling motar.Sai dai wasu lokuta na musamman, kamar tushe mai sassauƙa, nakasar rotor, da sauransu, dole ne a yi ma'auni mai ƙarfi a kan shafin ko a mayar da shi zuwa masana'anta.

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Lokacin aikawa: Juni-17-2022