V-drive bel: abin dogara drive na raka'a da kayan aiki
Gears dangane da roba V-belts ana amfani da ko'ina don fitar da na'urorin inji da kuma a watsa na daban-daban kayan aiki.Karanta duk game da tuƙi V-belts, nau'ikan su na yau da kullun, fasalulluka na ƙira da halaye, kazalika da zaɓi daidai da maye gurbin bel a cikin labarin.
Manufar da ayyuka na V-belts
A drive V-belt (fan fan, mota bel) wani roba-kayan aiki mara iyaka (birgima a cikin zobe) bel na trapezoidal (V-dimbin yawa) giciye-seshe, tsara don watsa karfin juyi daga crankshaft na ikon shuka zuwa saka raka'a. , da kuma tsakanin sassa daban-daban na hanya, injinan noma, kayan aikin injin, masana'antu da sauran kayan aiki.
Motar bel ɗin, wanda ɗan adam ya san fiye da shekaru dubu biyu, yana da naƙasasshe da yawa, daga cikin manyan matsalolin da ke haifar da zamewa da lalacewar injina ƙarƙashin manyan lodi.Har ila yau, an warware waɗannan matsalolin a cikin belts tare da bayanin martaba na musamman - V-dimbin yawa (trapezoidal).
V-belts suna da aikace-aikace masu yawa:
● A cikin wutar lantarki na mota da sauran kayan aiki don watsawar juyawa daga crankshaft zuwa na'urori daban-daban - fan, janareta, famfo mai sarrafa wutar lantarki da sauransu;
● A cikin watsawa da tuki na hanya mai sarrafa kansa da hanya, kayan aikin gona da na musamman;
● A cikin watsawa da tuƙi na injuna na tsaye, kayan aikin injin da sauran kayan aiki.
Belts suna fuskantar mummunar lalacewa da lalacewa yayin aiki, wanda ke rage amincin watsawar V-belt ko kuma ya kashe shi gaba ɗaya.Don yin zaɓin da ya dace na sabon bel, ya kamata ku fahimci nau'ikan waɗannan samfuran, ƙirar su da halaye.
Lura: a yau akwai V-belts da V-ribbed (multi-strand) bel waɗanda ke da ƙira daban-daban.Wannan labarin yana bayanin daidaitattun V-belts kawai.
V-beltsV-belts
Nau'in tuƙi V-belts
Akwai manyan nau'ikan V-bels guda biyu:
- Smooth drive belts (na al'ada ko AV);
- Belt ɗin tafiyar lokaci (AVX).
Belin mai santsi shine rufaffiyar zobe na trapezoidal giciye-sashe tare da m aiki surface tare da dukan tsawon.A saman aiki na bel na lokaci (kunkuntar), hakora na bayanan martaba daban-daban ana amfani da su, wanda ke ba da bel ɗin ya karu da haɓakawa kuma yana taimakawa wajen haɓaka rayuwar dukan samfurin.
Ana samun bel mai laushi a nau'i biyu:
- Kisa I - sassan kunkuntar, rabon tushe mai fadi zuwa tsayin irin wannan bel yana cikin kewayon 1.3-1.4;
- Kisa II - sassan al'ada, rabon tushe mai fadi zuwa tsayin irin wannan bel yana cikin kewayon 1.6-1.8.
Smooth belts iya samun maras muhimmanci zane nisa na 8.5, 11, 14 mm (kunkuntar sassa), 12.5, 14, 16, 19 da 21 mm (na al'ada sassan).Wajibi ne a nuna cewa an auna nisa zane a ƙasa da babban tushe na bel, don haka ma'auni na sama sun dace da nisa na 10, 13, 17 mm da 15, 17, 19, 22, 25 mm. bi da bi.
Abubuwan tuƙi don injunan aikin gona, kayan aikin injin da na'urori daban-daban suna da tsayin daka na girman tushe, har zuwa mm 40.Ana samun bel ɗin tuƙi don masana'antar wutar lantarki na kayan aikin mota a cikin girma uku - AV 10, AV 13 da AV 17.
Fan V-belts
V-belt watsa
Ana samun bel ɗin lokaci kawai a cikin Nau'in I (ƙunƙuntattun sassan), amma haƙoran na iya zama bambance-bambancen guda uku:
● Zabin 1 - hakora masu kauri (sinusoidal) tare da radius iri ɗaya na hakori da nisa tsakanin juna;
● Zabin 2 - tare da lebur hakori da radius interdental nisa;
● Zabi na 3 - tare da radius (mai zagaye) haƙori da faffadan nisa tsakanin haƙora.
Belin lokaci ya zo cikin masu girma biyu kawai - AVX 10 da AVX 13, kowane girman yana samuwa tare da duk bambance-bambancen hakori guda uku (don haka akwai manyan nau'ikan belin lokaci guda shida).
V-belts na kowane nau'i ana kera su a cikin nau'ikan iri daban-daban bisa ga kaddarorin tarin cajin wutar lantarki da yanayin yanayin aiki.
Dangane da kaddarorin tarin cajin electrostatic, belts sune:
● Na yau da kullun;
● Antistatic - tare da rage ikon tara caji.
Dangane da yankunan yanayi, belts sune:
● Don wuraren da ke da yanayi mai zafi (tare da yanayin aiki daga -30 ° C zuwa + 60 ° C);
● Don wuraren da ke da yanayin yanayi (kuma tare da yanayin aiki daga -30 ° C zuwa + 60 ° C);
● Don wuraren da yanayin sanyi (tare da yanayin aiki daga -60 ° C zuwa + 40 ° C).
Rarraba, halaye da haƙuri na V-belts na nau'ikan iri daban-daban ana tsara su ta ka'idodin gida da na duniya, gami da GOST 5813-2015, GOST R ISO 2790-2017, GOST 1284.1-89, GOST R 53841-2010 da takaddun da suka danganci.
Lokacin aikawa: Jul-10-2023