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Ungayikhetha kanjani i-gearbox ne-motor PDF?

Ungayikhetha kanjani i-gearbox ne-motor PDF?

Ungayikhetha kanjani i-gearbox ne-motor PDF?

Udinga ukubala amandla esinciphisi ngokuya ngesivinini sakho, i-torque edingekayo ukuze uqale ukusebenza kahle lapho ithangi ligcwele ngokugcwele, kanye nesikhathi sokusebenzisa esidingwa umklamo. Ngesikhathi esifanayo, ungakwazi ukubala amandla alinganiselwe adingwa yi-motor. Lapho ukhetha injini, udinga ukunaka isilinganiso. Amapharamitha amabili wetorque namandla alinganiselwe kufanele akhethwe abe mkhulu kunevelu yokuklama.

Izinto ezidinga ukunakwa uma ukhetha u-gearbox wezimboni
1. H no-B ochungechungeni lwama-gearbox asezimboni amukela izikimu zokuklama ezijwayelekile, ezingashintshwa zibe ama-gearbox aqondene nemboni ngokwezidingo zamakhasimende.
2. Qaphela i-axis ehambisanayo, i-axis ye-engeli yesokudla, amakhabethe wendawo yonke aqondile navundlile, unciphise izinhlobo zezingxenye futhi ukwandise ukucaciswa namamodeli.
3. Ukwamukela ukwakheka kwesipika esimunca umsindo nendawo enkulu yebhokisi. Igiya le-spiral bevel lamukela ubuchwepheshe obuthuthukisiwe bokugaya amagiya kanye nefeni enkulu ukwenza wonke umshini ukhuphuke izinga lokushisa, ukuncishiswa komsindo, ukuthembeka kokusebenza kuthuthukiswe, namandla okudlulisela anda.
4. Indlela yokufaka: chofoza i-flange yokuxhuma kanye ne-shaft ukuze ufake.
5. Imodi yokuphumayo: i-shaft eqinile, i-shaft engenalutho enokhiye, i-shrink disk.
6. Indlela yokufaka: uhlobo oluvundlile, uhlobo olume mpo, uhlobo lwesisekelo sokushwiba, uhlobo lwengalo yokuvivinya.
7. H, B imikhiqizo yochungechunge inezicaciso ezingu-1-22, izigaba zokudlulisa zokunciphisa zingu-1-4, futhi isilinganiso sesivinini singu-1.25-450, futhi inhlanganisela yochungechunge lwe-R no-K ingathola isilinganiso esikhulu sesivinini.

Ungayikhetha kanjani i-gearbox ne-motor PDF?

Ukukhethwa kohlobo lwe-asynchronous motor yezigaba ezintathu kusekelwe kugesi we-AC noma we-DC, izici zemishini, izici zokulawula isivinini kanye nokusebenza kokuqala, ukulungiswa kanye nentengo.
Ngokuvamile, izigaba ezintathu ze-AC zisetshenziswa ekukhiqizeni. Uma kungekho sidingo esikhethekile, ama-motor asynchronous ezigaba ezintathu kufanele asetshenziswe. Phakathi kwamamotho e-AC, ukungalungi okuyinhloko kwekheji yezigaba ezintathu ukulawulwa kwejubane okunzima, isici samandla aphansi, nokusebenza kabi kokuqala. Ngakho-ke, umshini wokukhiqiza ojwayelekile onezakhiwo eziqinile zemishini futhi azikho izidingo ezikhethekile zokulawula isivinini kufanele ziqhutshwe ama-motor asynchronous ezigaba ezintathu ngangokunokwenzeka. Kumaphampu amanzi anamandla aphansi, ama-ventilator, ama-conveyor, namabhande okuthutha, kanye nokunyakaza okuyisizayo kwethuluzi lomshini (njengokunyakaza okushesha kokuthunyelwe kwamathuluzi, ukuphakamisa insimbi nokubopha, njll.), cishe konke kusebenzisa isigaba esisodwa. ama-cage asynchronous motors, namanye amathuluzi omshini amancane Ibuye isetshenziswe njengenjini yokuphotha. Emishinini yokukhiqiza edinga i-torque enkulu yokuqala, njengama-compressor emoyeni, ama-conveyors amabhande, njll., i-groove ejulile noma i-double cage asynchronous motors ingacatshangelwa.

Izidingo eziyisisekelo zokukhetha imoto
1. Ukukhethwa kohlobo lwemoto kufanele kunikezwe kuqala injini enesakhiwo esilula, ukusebenza okuthembekile, intengo ephansi kanye nokugcinwa okulula. Kulezi zindlela, amamotho e-AC angcono kune-DC motors, ama-AC asynchronous motors angcono kune-AC synchronous motors, futhi ama-cage asynchronous motors angcono kunokujikajika. I-Rotor asynchronous motor. Into yokuqala okufanele icatshangelwe lapho ukhetha injini ukuthi izici zemishini yemoto kufanele zivumelane nezimpawu zemishini yemishini yokukhiqiza. Eminye imishini yokukhiqiza edinga isivinini esiqhubekayo noma isici samandla esithuthukisiwe lapho umthwalo ushintsha, njengama-compressor komoya amakhulu namaphakathi, izigayo zamabhola, njll., ingakhetha amamotho ahambisanayo: imishini edinga i-torque enkulu yokuqala kanye nezici zemishini ethambile, njenge ama-tram nama-cranes asindayo Futhi nokunye, kufanele ukhethe uchungechunge lwenjabulo noma i-compound excitation DC motor. Ngaphezu kwalokho, ukusebenza kokulawulwa kwesivinini kanye nokusebenza kokuqala kwemoto kufanele futhi kuhlangabezane nezidingo zemishini yokukhiqiza.
2. Ukukhethwa kohlobo lwemoto Izinhlobo eziyinhloko zemoto ziwuhlobo oluvulekile, uhlobo oluvikelayo, uhlobo oluvalekile kanye nohlobo lokuvikela ukuqhuma. Lapho indawo yokukhiqiza inokhahlo, uhlobo oluvalekile kufanele lusetshenziswe; uhlobo lokuvikela ukuqhuma kufanele lusetshenziselwe izidingo zokuvikela ukuqhuma. Ngemuva kokukhetha uhlobo nohlobo lwenjini, kubalulekile ukukhetha umthamo wemoto, okungukuthi, amandla alinganisiwe.

Ungayikhetha kanjani i-gearbox ne-motor PDF?

Umgomo wokukhetha imoto ukuthi ngesisekelo sokuthi ukusebenza kwemoto kuhlangabezana nezidingo zemishini yokukhiqiza, injini enesakhiwo esilula, intengo ephansi, umsebenzi onokwethenjelwa kanye nokugcinwa okulula kuyakhethwa. Kulokhu, amamotho e-AC aphakeme kunezinjini ze-DC, ama-asynchronous motors aphakeme kune-AC synchronous motors, kanti ama-squirrel cage asynchronous motors aphakeme kunamamotor asynchronous.
Emishinini yokukhiqiza enomthwalo ozinzile futhi engenazo izidingo ezikhethekile zokuqalisa nokubhuleka, ama-motor asynchronous ajwayelekile we-squirrel-cage kufanele akhethwe, asetshenziswa kabanzi emishinini, amaphampu amanzi, abalandeli, njll.
Ukuqala nokubhuleka kuvame kakhulu, futhi imishini yokukhiqiza edinga amatorque amakhulu okuqalisa kanye namabhuleki, njengama-cranes amabhuloho, ama-hoist asemayini, ama-air compressor, nezigayo eziginqikayo ezingahlehleki, kufanele zisebenzise amamotho esilonda asynchronous.
Lapho kungekho sidingo sokulawulwa kwesivinini, isivinini esiqhubekayo noma isici samandla esithuthukisiwe siyadingeka, amamotho ahambisanayo kufanele asetshenziswe, njengamaphampu amanzi anomthamo ophakathi nendawo omkhulu, ama-compressor emoyeni, ama-hoists, izigayo, njll.
Ibanga lokulawula isivinini liyadingeka ukuba libe ngaphezu kuka-1:3, futhi umshini wokukhiqiza odinga ukulawulwa kwesivinini esiqhubekayo, esizinzile nesibushelelezi kufanele usebenzise injini ye-DC ejabule ngokwehlukana noma i-squirrel cage asynchronous motor noma i-synchronous motor enokulawulwa kwesivinini sokuguqulwa kwemvamisa, njenge amathuluzi amakhulu omshini wokunemba, amapulani, izigayo eziginqikayo, ama-hoists, njll.
Imishini yokukhiqiza edinga i-torque enkulu yokuqala nezici zemishini ethambile isebenzisa amamotho e-DC ajatshuliswa uchungechunge noma ahlanganiswe-jabulile, njengamathilamu, izitimela zikagesi, namakhreni asebenza kanzima.

1. Ihlukaniswe ngohlobo lokunikezwa kwamandla: ingahlukaniswa ngama-DC motors nama-AC motors.
1) DC izinjini zingahlukaniswa ngokuya ngesakhiwo kanye nesimiso sokusebenza: ama-brushless DC motors nama-brush ama-DC motors.
Izinjini ze-Brushed DC zingahlukaniswa zibe: izinjini ezingamagnet DC ezihlala njalo nama motors kagesi kagesi.
Ama-motors e-Electromagnetic DC ahlukaniswe: ama-motors e-DC athanda uchungechunge, ama-motors e-DC ashubile, ama-motors e-DC ahlukaniswe ngokwahlukana kanye nama-motors e-DC ajabule kakhulu.
Izinjini ze-DC ezihlala unomphela zihlukaniswe zibe: izinjini ze-DC ezingavamile emhlabeni ezihlala unomphela, ama-ferrite magnetic unomphela ama-DC motors kanye ne-alnico unomphela uzibuthe we-DC motors.
2) Phakathi kwazo, ama-AC motors nawo angahlukaniswa abe: ama-motors esigaba esisodwa kanye nama-motors esigaba sesithathu.
2. Ngokwesakhiwo nangendlela yokusebenza, ingahlukaniswa ngama-DC motors, ama-asynchronous motors kanye nama-synchronous motors.
1) izinjini ezihambisanayo zingahlukaniswa: unomphela uzibuthe izinjini ezivumelanayo, ukungafuni izinjini ezihambisanayo kanye ne-hysteresis motors synchronous.
2) Ama-asynchronous motors angahlukaniswa abe ama-induction motors kanye nama-AC commutator motors.
Ama-induction motors angahlukaniswa ngezigaba ezintathu zama-asynchronous motors, single-phase asynchronous motors kanye ne-shaded-pole asynchronous motors.
Ama-AC commutator motors angahlukaniswa abe: single-phase series motors, AC and DC dual-purpose motors and repulsion motors.

Ungayikhetha kanjani i-gearbox ne-motor PDF?

3. Ngokuya ngemodi yokuqala nokusebenza, ingahlukaniswa nge: motor-phase single asynchronous motor, capacitor-operating single-phase asynchronous motor, capacitor-starting single-phase asynchronous motor and split-phase single-phase asynchronous imoto.
4. Ngokwenhloso, ingahlukaniswa: drive motor nokulawula motor.
1) Izinjini zeDrayivu zingahlukaniswa zibe: ama-motors amathuluzi kagesi (kufaka phakathi amathuluzi wokubhola, ukupholisha, ukupholisha, ukubhoboza, ukusika, ukuvuselela, njll), izinto zasendlini (kufaka phakathi imishini yokuwasha, abalandeli bakagesi, amafriji, ama-air conditioners, amarekhodi okuqopha , ama-video recorder, njll.), ama-DVD player, vacuum cleaners, amakhamera, izomisi izinwele, izinsimbi zikagesi, njll.) kanye neminye imishini ejwayelekile emincane (kubandakanya amathuluzi emishini ehlukahlukene, imishini emincane, imishini yezokwelapha, imishini ye-elekthronikhi, njll.) izinjini.
2) Ama-motors wokulawula ahlukaniswe ngama-motor anyathela kanye nama-servo motors.
5. Ngokwesakhiwo se-Rotor, ingahlukaniswa: ama-cage induction motors (abizwa ngama-squirrel cage asynchronous motors ezingeni elidala) kanye nama-motor rotor induction motors (abizwa ngama-motor asynchronous motors asezingeni elidala).
6. Ngokuya ngesivinini sokusebenza, ingahlukaniswa: isivinini semoto, isivinini esiphansi, isivinini esisheshayo, nesivinini esiguqukayo. Ama-motors anejubane eliphansi ahlukaniswe ngamamitha anciphisa igiya, ama-motors okwehlisa ugesi, ama-torque motors nama-claw-pole motors synchronous.

Uhlobo lweDC
Umgomo wokusebenza we-generator we-DC ukuguqula amandla e-electromotive ashintshanayo afakwe ku-coil armature abe yi-DC electromotive force lapho idonswa ekugcineni kwebhulashi ngumgibeli kanye nesenzo sokushintshana kwebhulashi.
Ukuqondiswa kwamandla e-electromotive kunqunywa ngokomthetho wesandla sokudla (umugqa kazibuthe wamaphoyinti wokungeniswa entendeni yesandla, isithupha sikhomba lapho kuhamba khona umqhubi, neminye iminwe emine ikhomba isiqondiso samandla e-electromotive eyenziwe ku-conductor).
isimiso sokusebenza
Ukuqondiswa kwamandla ombutho womqhubi kunqunywa umthetho wesokunxele. La mapheya wamandla kagesi akha umzuzwana osebenza ezingalweni. Lo mzuzu ubizwa ngokuthi i-torque kagesi emshinini kagesi ojikelezayo. Ukuqondiswa kwetorque kuphikisana nokuhamba kwewashi emzameni wokwenza i-armature ijikeleze ngokungafani newashi. Uma i-torque ye-electromagnetic inganqoba i-torque yokumelana ku-armature (njenge-torque yokumelana ebangelwe ukungqubuzana namanye ama-torque wokulayisha), i-armature ingazungeza ngendlela ephikisana newashi.
Imoto yeDC iyimoto egijima kumandla asebenzayo e-DC futhi isetshenziswa kakhulu kuma-tape recorders, ama-video recorders, ama-DVD player, shavers kagesi, ama-dryer ezinwele, amawashi kagesi, amathoyizi, njll.

Imoto evumelanisiwe
Imoto evumelanisiwe iyimoto ejwayelekile ye-AC njengemoto yokungeniswa. Isici sithi: ngesikhathi sokusebenza okuqinile, kunobudlelwano obuqhubekayo phakathi kwejubane le-rotor kanye nemvamisa yegridi n = ns = 60f / p, kanti i-ns iba isivinini sokuvumelanisa. Uma imvamisa yegridi yamandla ingashintshi, ijubane lezimoto ezivumelanisayo esimweni esizinzile lihlala likhona kungakhathalekile ukuthi ubukhulu bomthwalo bunjani. Ama-motor ahambisanayo ahlukaniswe ngama-generator ahambisanayo nama-motor ahambisanayo. Imishini ye-AC ezitshalweni zamandla zesimanje ikakhulukazi izinjini ezihambisanayo.
isimiso sokusebenza
Ukusungulwa kwensimu kazibuthe eyinhloko: ukuminyaniswa kokuthakazelisa kudluliswa ngamandla wamanje we-DC ukusungula insimu kazibuthe eyisimanga phakathi kwe-polarities, okungukuthi, insimu enkulu kazibuthe iyasungulwa.

Ungayikhetha kanjani i-gearbox ne-motor PDF?

Ama-gearbox anezinhlobonhlobo zezinhlelo zokusebenza, njengama-wind turbines. Ama-gearbox ayingxenye ebalulekile yomshini esetshenziswa kakhulu kuma-wind turbines. Umsebenzi wawo omkhulu ukuhambisa amandla akhiqizwa yisondo lomoya ngaphansi kwesenzo somoya ku-generator futhi akwenze kuthole isivinini esihambisanayo.
Ngokuvamile, isivinini sokuzungezisa sesondo lomoya siphansi kakhulu, singaphansi kakhulu kunesivinini sokuzungeza esidingwa ijeneretha ukukhiqiza ugesi. Kumele kubonakale ngomphumela okhulayo wejubane wegiya lebhokisi legiya, ngakho-ke ibhokisi legiya libuye libizwe ngebhokisi elinyusa isivinini.

I-gearbox inemisebenzi elandelayo:
1. Ukusheshisa nokwehlisa isivinini u-gearbox obizwa nge-variable speed.
2. Shintsha indlela yokuhambisa. Isibonelo, singasebenzisa amagiya womkhakha amabili ukudlulisa amandla ngokuya komunye umphini ojikelezayo.
3. Shintsha i-torque ejikelezayo. Ngaphansi kwesimo samandla esifanayo, amagiya ajikeleza ngokushesha, bese kuba omncane torque eshafeni, okuphambene nalokho.
Umsebenzi we-Clutch: Singahlukanisa injini nomthwalo ngokuhlukanisa amagiya amabili asekuqaleni anemeshi. Njengokubamba ibhuleki njalonjalo.
5. Ukwabiwa kwamandla. Isibonelo, singasebenzisa injini eyodwa ukushayela imiphini yezigqila eminingi kushaft eyinhloko ka-gearbox, ukuze sifeze ukusebenza kwenjini eyodwa eshayela imithwalo eminingi.

Ivolumu yayo yi-1/2 encane kuneyokunciphisa igiya elithambile, isisindo sayo sincishiswa ngesigamu, impilo yayo yesevisi ikhuphuka izikhathi ezi-3 kuya kwezi-4, futhi umthamo wayo wokuthwala ukhuphuka izikhathi ezingu-8 kuya kweziyi-10. Isetshenziswa kakhulu emishinini yokuphrinta nokupakisha, imishini yegalaji enezinhlangothi ezintathu, imishini yokuvikela imvelo, okokuthutha, okokusebenza kwamakhemikhali, okokusebenza kwezimayini zensimbi, okokusebenza kwamandla ensimbi nensimbi, okokuxuba, imishini yokwakha umgwaqo, imboni kashukela, ukukhiqizwa kwamandla omoya, izitezi ezizihambelayo kanye ama-elevator drives, ukwakha imikhumbi, ukukhanya High-power, high-speed ratio, izikhathi ze-torque ephezulu njengenkundla yezimboni, inkundla yokwenza iphepha, imboni yensimbi, ukuthuthwa kwendle, imboni yezinto zokwakha, imishini yokuphakamisa, ulayini wokuthutha, umugqa wokuhlanganisa, njll. isilinganiso esihle sokusebenza kwentengo futhi ihambisana nokumataniswa kwemishini yendawo.

Ungayikhetha kanjani i-gearbox ne-motor PDF?

 

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