Zan bayyana yadda bambancin ke aiki a aikace. Me yasa ƙafa ɗaya ke zamewa, amma motar ba ta motsawa?
Abubuwa
Bambancin na ɗaya daga cikin na'urorin da aka yi amfani da su kusan tun farkon fara motsa jiki a cikin dukkan motocin fasinja, kuma wasu motocin lantarki ne kawai ba su da shi. Duk da cewa mun san shi sama da shekaru 100, amma har yanzu bai wuce kashi 15-20 ba. mutane sun fahimci aikinsa a aikace. Kuma ina magana ne kawai game da mutanen da ke sha'awar masana'antar kera motoci.
A cikin wannan rubutun, ba zan mayar da hankali ga zane na bambancin ba, saboda ba kome ba don fahimtar aikin aiki. Hanya mafi sauƙi kuma mafi yawan gama gari tare da gear bevel (crowns da tauraron dan adam) suna aiki ta hanyar da ko da yaushe rarraba karfin juyi, a kowane hali na zirga-zirga daidai a bangarorin biyu. Wannan yana nufin cewa idan muna da uniaxial drive, to Kashi 50 na lokacin yana tafiya zuwa dabaran hagu kuma adadin daidai yake zuwa dama. Idan kun kasance kuna tunani daban kuma wani abu ba zai ƙara ba, kawai ku yarda da shi a matsayin gaskiya a yanzu.
Ta yaya bambancin ke aiki?
A bi da bi, daya daga cikin ƙafafun (na ciki) yana da ɗan gajeren tazara yayin da ɗayan (na waje) yana da nisa mai tsayi, wanda ke nufin cewa motar ciki tana juyawa a hankali kuma motar ta waje tana sauri. Don rama wannan bambance-bambance, masana'antun mota suna amfani da bambanci. Amma ga sunan, yana bambanta saurin juyawa na ƙafafun, kuma ba - kamar yadda mafi yawan tunani - karfin juyi.
Yanzu ka yi tunanin yanayin da motar ke tafiya kai tsaye a gudun X kuma ƙafafun tuƙi suna jujjuya a rpm 10. Lokacin da motar ta shiga wani kusurwa, amma gudun (X) bai canza ba, bambancin yana aiki ta yadda ɗayan ke motsawa, misali, a 12 rpm, sannan sauran yana juyawa a 8 rpm. Matsakaicin ƙimar koyaushe shine 10. Wannan shine diyya da aka ambata. Me za a yi idan an ɗaga ɗaya daga cikin ƙafafun ko kuma an sanya shi a kan wani wuri mai santsi, amma har yanzu mitar tana nuna irin wannan gudu kuma wannan dabarar kawai ke juyi? Na biyu ya tsaya cak, don haka wanda aka tayar zai yi 20 rpm.
Ba duk lokacin da ake kashewa akan zamewar dabara ba
To me zai faru idan wata dabaran ke jujjuyawa cikin sauri kuma motar ta tsaya cak? Bisa ga ka'idar rarraba juzu'i na 50/50, duk abin daidai ne. Ƙarfin juzu'i kaɗan, in ce 50 Nm, ana canja shi zuwa wata dabaran a kan wani wuri mai santsi. Don farawa kuna buƙatar, misali, 200 Nm. Abin takaici, dabaran da ke kan ƙasa mai ɗaci kuma tana karɓar Nm 50, don haka ƙafafun biyu suna watsa 100 Nm zuwa ƙasa. Wannan bai isa motar ta fara motsi ba.
Kallon wannan yanayin daga waje. yana jin kamar duk karfin yana tafiya zuwa keken juyi, amma ba haka bane. Wannan dabaran ce kawai ke jujjuyawa - don haka ruɗi ne. A aikace, na ƙarshe kuma yana ƙoƙarin motsawa, amma wannan ba a bayyane ba.
A taƙaice, za mu iya cewa mota a cikin irin wannan halin da ake ciki ba zai iya motsawa, ba saboda - a nakalto Internet classic - "duk lokacin a kan kadi dabaran", amma saboda duk lokacin da wannan maras zame dabaran samu yana da daraja. kadi ƙafafun. Ko kuma wani - akwai kawai ƙananan juzu'i a kan ƙafafun biyu, saboda suna karɓar adadin kuzari iri ɗaya.
Haka abin yake faruwa a cikin motar tuƙi, inda kuma akwai bambanci tsakanin gatari. A aikace, ya isa ya ɗaga ƙafa ɗaya don dakatar da irin wannan abin hawa. Ya zuwa yanzu, babu abin da ke toshe kowane bambance-bambancen.
Ƙarin bayani don rikitar da ku
Amma da gaske, har sai kun fahimci abin da ke sama, yana da kyau kada ku kara karantawa. Gaskiya ne idan wani ya faɗi haka duk ikon yana tafiya zuwa dabaran juyi akan ƙasa mai santsi (ba kowane lokaci ba). Me yasa? Domin, a cikin sassauƙan kalmomi, iko shine sakamakon ninka karfin juyi ta jujjuyawar dabaran. Idan dabaran daya baya juyi, watau. daya daga cikin dabi'u shine sifili, to, kamar yadda tare da ninkawa, sakamakon dole ne ya zama sifili. Don haka, dabaran da ba ta juyi ba a zahiri ba ta samun kuzari, kuma makamashin yana tafiya ne kawai zuwa keken juyi. Wanda hakan bai canza gaskiyar cewa duka ƙafafu biyun suna samun ɗan ƙaranci don tada motar ba.
