A na baya keke cibiya: da na'urar da taro umarnin

A na baya keke cibiya dole ne ko da yaushe kasance a cikin lafiya, saboda shi kayyade santsi ci gaba na biyu wheeled kai. A cewar da yawa cyclists, da bike tafiya ingancin dogara a kan wani babban har a kan irin, kuma inji yi na firam. Duk da haka, a yi shi ya zama kayyade factor a nan jihar undercarriage - bushings, karusa, sarƙoƙi, sauran tsarin.

iri

Bisa ga karfinsu da daban-daban iri braking tsarin ware wasu musamman iri na baya bushings:

• domin Disc birki;
• Birki ga abin nadi.
• ga baki birki.

Hakika, a mafi hadaddun raya keke cibiya tsara don dangane da wani tsarin na Disc birki, zai iya sauƙi a yi amfani a cikin taron jama'ar da dabaran da baki birki, amma ba sabanin haka ba.

zane

A na baya keke cibiya hada da wadannan aka gyara:

• gidaje.
• flanges.
• axis.
• bearings.

gidaje

Wannan bangaren na raya hannun riga da m abubuwa a matsayin wrapper ga sauran aikin sunadaran. Babban umurni ga hukuma - mafi stiffness kamar yayin tuki hannun riga aka fallasa zuwa gagarumin torsional lodi.

Bushing raya wheel na keke za a iya kare jiki sanya ta stamping ko gyare-gyaren. A mafi yawan abin dogara high-karfin jiki samar da farko hanya.

flanges

Shin takamaiman annular tsinkaya cewa suna kunshe a baya na hannun riga gidaje. Wannan kashi hidima ga spoked dabaran connection. Flanges dauke da musamman ramummuka inda ya saka da allurar a wani sa.

Babban umurni da flanges abubuwa mafi ƙarfi. Bisa ga kananan girman da kashi, ku kawai tunanin yadda ya karu dora dama a kan ta rabo. Bayan duk, wani na uku zane na bike da cyclist ne kawai a kan jeri na raya flange.

bearings

keke na baya cibiya da za a Fitted tare da bearings Datti harsashi. Kawai a cikin wannan harka da shi zai yiwu a manta game da goyon baya da kuma maye, knurled a kan bike ga fiye da 10 000 km. Frankly substandard bearings tilasta daure m sauti da kuma wahala da backlash dabaran bayan na farko da tafiya zuwa ga ruwa weather, ba a ma maganar hunturu. M gryazezaschity nuna daban-daban like wanda hana lubricants lamba tare da waje muhalli.

Yanzu ware girma prompodshipniki da kuma raya bushings. A bambanci shi ne, za ka iya kawar da free play a cikin dabaran, yin saba gyara na girma bearings. Idan akwai irin wannan matsala a cikin hali na prompodshipnikami, za su iya samun maye gurbin su. Saboda haka zaba raya keke dabaran cibiya kamata a dogara ne a kan nau'in kuma AMINCI na zahiri.

axis

Babban siga na raya cibiya aksali hidima ta tsawon. Don zaɓar bushing bisa ga nuna alama axis tsawon kawai isa ya gwada tazarar dake tsakanin daura da waje kwayoyi a dace firam da keke firam.

nagartacce

Bayan karatu ciki da kuma na waje na raya keke cibiya, shi ne shawarar ka kula da fadi da kewayon masu girma dabam na tsarin. A gaban wasu bambance-bambance a cikin sigogi saboda da amfani da matosai on daban-daban iri kekuna :

• Track model - 10h120 mm;
• tseren kekuna - 10h130 mm;
• girma daga cikin na kowa ma'adinai model -10h135 mm;
• kekuna ga downhill - 12x135 mm;
• sana'a model aji "giciye-kasa" - 12x142 mm;
• model bike zuwa aji maras tauyewa, matsananci wasanni - 12h150 mm;
• aji kekuna BMX - 14x110 mm.

tsarin bambance-bambance

Inji raya hannun riga dutsen bike kungiyar yana da wasu bambance-bambance daga constructions undercarriages for kekuna Babbar Hanya category.

Bushings hanya da kuma hanya bike model da like - musamman like tsara don kare bearings da ingress gurɓatawa. Sau da yawa gland ake hada a cikin guda naúra da conical abubuwa.

A na baya keke cibiya "Stealth", kazalika da sauran kowa model na dutsen kekuna da kuma kashe-hanya, a Bugu da kari alaka da Cones yana da roba like sau da yawa anthers. A gaban wadannan abubuwa na taimaka wa kariya na gudãna kaya daga datti, kowane irin tarkace da kuma kura.

A bambanci zuwa babbar hanya category kekuna, dutsen model an tsara don tuki a kan mafi m ƙasa. Babu shakka, da yin amfani da ƙarin kariya inji raya hannun riga proportionally qara nauyi na biyu-wheeler da ƙananan bugun jini lightness. Wannan shi ne dalilin da ya sa jama'ar da raya hannun riga keke karauka aji da wani rinjaye na masana'antun ba tare da installing data abubuwa.

Ya kamata mu ma la'akari da halaye na bike zane da Disc birki. Ga sunadaran aka yi amfani, da flanges da wanda ake da alaka da birki fayafai.

Bambance-bambance ne ma ba a cikin hanyoyin mahadi ratchets a kan cibiya tare da tef fasteners. Mafi na kowa model na cikin gida da samar da kekunan hada bushing tare da gina-in wasan yara masu kara. Ã'a, da raya cibiya -speed keke yawanci yana zuwa dunƙule irin ratchet.

takamaiman siffofin

Advantageously mafi raya hannun riga bambanta asymmetric zane a matsayin a gefen dama na inji, da harsashi ne a wurinta ko sprocket. Idan aka kwatanta da hagu, dama flange ne mafi cancanta ga cibiyar axis. A sakamakon haka, gefen dama ta fi gajere kadan spokes.

Akwai musamman irin planetary Dandali. A ciki gina irin wannan articles qunshi wani inji for canjawa. Shigar a kan wadannan tsarin daya ne kawai star. Sarrafa hannun riga da shirin ba zai iya shigar da sarkar tensioner.

Yadda za a tara keke na baya cibiya?

Samun ga taron jama'a na inji, shi wajibi ne don la'akari da cewa da hagu da kuma dama ƙarshen axis da wasu bambance-bambance. Dama mazugi tabbaci da alaka da aksali locknut kara karfafa da kuma saboda haka ba dismantled. Tsarin saituna za a iya gyara ta hanyar canza wuri na hagu mazugi.

Kokarin gane yadda za a tara da raya keke cibiya, babban abu - ba su gauraya gefe, wanda dole ne a shigar da dama axis na mazugi. Kauce wa kuskure a nan shi ne sauƙin fiye a cikin hali na gaba dabaran taro, inda bangarorin biyu duba m inji.

Ku tafi, a haɗa da raya hannun riga abubuwa a cikin guda naúrar a lokacin da shigar, da damar da wadannan ayyuka:

1. Don fara wani dandali harsashi da surface na ratchet kofin hawa tsarin tsabtace na datti, tsohon man shafawa sharan sa'an nan Ya hõre wani sabon man shafawa da kwasfansu m daidaito.
2. Amfani da hanzaki qazanta bukukuwa suna sanya a cikin wurin da guga man a cikin man shafawa Layer, wanda adadin dole isasshen cewa beads ba mirgine baya.
3. Daga gefe na ratchet saita axis ga dama mazugi. The aiki aka yi a hankali, tun akwai wani babban hadarin da ball bearings tura da kofin.
4. A ƙarshen aksali ne kusan duk hanyar ci da gumi hagu mazugi, amma ba ya ƙara ja. Washers ana ci da gumi a cikin daidai jerin sa'an nan lazimta locknut.

A raya cibiya dauke kusan taru. The kawai batu ne da shigarwa na roba anther. Duk da haka, shi ne bu mai kyau zuwa ga aikata haka kawai bayan da karshe gyara daga cikin Gudun tsarin.

A na baya keke cibiya - gyara

Kamar yadda yi nuna, ya fi na kowa, kuma hali na baya na hannun riga ayyukan matsayin matsalar aiki na samfur wuce kima tightening ko loosening na mazugi. A karshen harka za su daure wani gagarumin raya wheel yarda. A bambanci, kugu Tapered inji zai kai ga wani ƙarin yãgaggun leɓɓa, ya kange ta hanya biyu wheeled abin hawa. Bugu da kari, akwai iya zama wani crunch a zahiri.

Abin da za a iya yi a lokacin da dalilin da backlash ne kau da raya keke cibiya? Gyara a cikin wannan hali zai zama ya dauke da Cones ta wajen musamman wrenches. Dace da wannan carob keys 15 da kuma 20 mm, ta hanyar abin da na farko kulle goro unscrewed sa'an nan clamped ko gãshin da mazugi to da ake so iyaka.

Fi dacewa, da sakamako daga cikin backlash lokacin da motsi da bike ya zama gaba daya ba a nan. Idan saitin Tapered raya bushing sunadaran daidai, da dabaran zai juya sauƙi ba tare da ƙarin lokacinta kawai ƙarƙashin rinjayar reflectors a kan nauyi.

Sau da yawa cikin hanyar maye zama lankwasawa hannun riga. Mafi sau da yawa wannan ya faru a cikin yanayin na low-quality, low-cost aka gyara. Idan wannan ya faru, don warware matsalar zai kawai ba da damar musanyawa na axis of wani sabon, mafi m.

Domin gudanar da gyare-gyare, ko na yau da kullum kiyaye da raya wheel na hannun riga da aka fi dace, shi ne shawarar zuwa rarraba da ratchet gaba. Duk da haka, a lokacin da dukan batu na gyara al'ada tightening ko loosening da Cones, ƙarasa da irin waɗannan ayyuka ba lallai ba ne.

Daga qarshe, domin kauce wa ba dole ba matsaloli a cikin nau'i na dogon rago bike da sharar gida a kan m gyare-gyare a kai a kai da isa ya wuce mot. A mafi yawan lokuta shi an rage zuwa bulkhead sabis sunadaran, su tsabtace, lubrication da kuma hawa a baya domin.