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Cylinder ya hayidiroliki Yopukutira

Kufotokozera Kwachidule:


Mankhwala Mwatsatanetsatane

Zogulitsa

Mankhwala Mwatsatanetsatane

1.Excavator mndandanda wa mitundu iwiri yochita ndowa imodzi yamphamvu yama hayidiroliki imagwiritsidwa ntchito pobwezera zoyenda zoyenda mu makina opangira ma hydraulic. PC mndandanda hayidiroliki yamphamvu ndi mtundu wa excavator hayidiroliki yamphamvu mankhwala mwapadera kufufuza ndi chopangidwa ndi Komatsu ndi Kayaba luso la Japan. Iwo ali ndi makhalidwe a kuthamanga ntchito, ntchito odalirika, unsembe yabwino ndi disassembly, kukonza zosavuta ndi gawo lotetezedwa. Zisindikizo zonse za mndandanda wama hydraulic amatumizidwa kunja. Pamwamba pa ndodo ya pisitoni ndi yolimba komanso yokutidwa ndi chromium yolimba, ndipo kukhathamira pambuyo pakupukutira kumatha kufikira Ra0.08, luso lamphamvu lamutu wa Kayaba limapangidwa makamaka malinga ndi momwe zinthu zikuyendera. Zinthuzo ndizitsulo za ductile, ndipo malekezero ake awiri amakhala ndi buffer yoyandama. Ili ndi magwiridwe antchito abwino. Amagwiritsidwa ntchito makamaka pofukula ma PC omwe amakumba ma hydraulic ndi ofukula ena amadzimadzi omwe amapangidwa kunyumba ndi kunja.

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2. Zapangidwe kamakina amiyala yamagetsi yamagetsi:

A.Pisitoni ndodo imapangidwa ndi nthaka yolimba kwambiri yolimba kwambiri. Pamwamba pa ndodo ya pisitoni imazimitsidwa ndimafupipafupi mpaka kuuma kwakukulu kwa HRC62. Pamwamba pa ndodo ya pisitoni pamadzaza ndi zolembedwa zolimba ndikupukutidwa kuti zikhale ndi malo osagwira kuteteza pisitoni kuti isakokedwe ndikuphulika, Moyo wautali wa chisindikizo umakhala ndi chitetezo chosachepera kasanu mphamvu yamakokedwe pamavuto omwe adavoteledwa ndodo ya pisitoni ndi msonkhano wa pisitoni.

B. Malaya owongolera amapangidwa ndi chitsulo cha ductile malinga ndi malo omwe amafukulirako. Zimapangidwa ndi chitsulo chosungunuka ndipo chimakhala chotsutsana kwambiri. Imakhala ndi zotsekera zotumizidwa kuchokera ku Japan. Kuthamanga kwakukulu kwa chonyamuliracho ndi 270n / mm2, katundu wamphamvu ndi 140n / mm2, kuthamanga kwambiri ndi 5m / s, koyefishienti yotsutsana ndi 0.02 ~ 0.07, kutentha kogwira ntchito ndi - 200 ° C mpaka 280 ° C, ndi malo owongolera amachepetsa kupsinjika kwakukulu kuti mupirire kupsinjika kwakukulu, Lonjezani moyo wamphamvu zonse ziwiri ndi zisindikizo.

C. Chisindikizo cha pisitoni chimapangidwa ndi mphete ya fumbi, mphete ya pisitoni ndodo komanso chosungira ma hydraulic, chomwe chingateteze kutayika kwama hydraulic kwa ndodo ya pisitoni. Mphete yafumbi ndi mphete iwiri yopanda fumbi. Ntchito yake ndikuletsa fumbi, dothi, mchenga ndi tchipisi tazitsulo kuti zisalowe. Zimateteza kwambiri zikande, zimateteza zomwe zikuwongolera ndikuwonjezera moyo wa chisindikizo. Mlomo wosindikiza wapakatikati umachepetsa kanema wotsalira wamafuta. The polyurethane chuma zipangitsa makhalidwe kwambiri mikangano youma ndi kumawonjezera avale kukana, Chifukwa kukana zake zabwino Mpweya umene ndi cheza chifukwa cha nyengo, moyo wa utumiki ndi yaitali. Kutentha kogwira ntchito kumachokera - 35 ° C mpaka 100 ° C, ndipo mawonekedwe akutali osachepera 2 m / s. Mphete yayikulu yosindikizira ya ndodo ya pisitoni ndi chidindo cha milomo yokhala ndi milomo iwiri yosindikiza komanso yolimba pakulowera kwakunja. Chifukwa chowonjezera chowonjezera pakati pamilomo iwiri, chimalepheretsa kukangana kowuma ndi kuvala, chimakana kukhudzidwa ndi extrusion, ndipo chimapangitsa kuti ntchito yosindikiza iziyenda bwino. Kupanikizika kogwira ntchito ndi 40MPa, kutentha kogwira ntchito ndi - 35 mpaka 110 ℃, ndipo mawonekedwe othamanga ndi ochepera 0.5m / s. Ntchito ya hayidiroliki gawo lotetezedwa ndikutenga kukhudzika ndi kusinthasintha kwa kupanikizika kwambiri, kupatula kutentha kwamadzimadzi, ndikuwonjezera kukhazikika kwa zisindikizo. Kuthamanga kwakukulu kumatha kufikira 100MPa. Chifukwa cha poyambira pakapangidwe kamene kamatulutsa milomo yomwe imatha kutulutsa kuthamanga kwakumbuyo, imatha kuthetsa kukakamiza pakati pa mphete yosindikiza ndi gawo la ndodo yosunthira, ndikutsitsa kukakamiza komwe kumapangidwa pakati pa chisindikizo chachikulu ndi chosindikizira dongosolo.

D. Chombocho chimapangidwa ndi aloyi chitsulo 27SiMn yokhala ndi mphamvu yayitali, mawonekedwe ang'ono ndi kulemera kopepuka, yolumikizidwa ndikulungika kumapeto kwake, kuti muchepetse mkangano wamkati ndikuwonjezera moyo wa chisindikizo.

E. Pisitoni wamba amaponyera ndi ma concentricity awiri omwe amagwirizana ndi ndodo ya pisitoni. Pisitoni imatsekedwa mwamphamvu ndi ulusi wolumikizana pakati pa mtedza ndi mtedza wa pisitoni, kuti zitsimikizire kuti ntchito yodalirika ili pamavuto komanso mbali zina. Zisindikizo zonse za pistoni zimatumizidwa kunja kwa Parker ndi NOK. Onse malekezero a pisitoni anaika ndi 4mm wandiweyani mphete dothi zopangidwa PTFE. Popeza ili ndi ntchito yakumiza konyansa, mafuta amatha kupewedwa kuti asawonongeke chifukwa chosakanikirana ndi zinthu zakunja, kuti zitsimikizire kuti chisindikizo chimakhala ndi moyo wautali ndipo chitha kutsogolera komanso kuthandizira. Mphete yothandizira imakhala ndimphamvu yayikulu, yomwe imatha kuthana ndi chitsulo chilichonse chokhudzana ndi chitsulo pakati pa pisitoni ndi silinda, chimapereka mphamvu yayikulu yofananira, kuyamwa, kukulitsa malo olumikizirana ndikupewa kukanda chipika champhamvu. Chisindikizo cha pisitoni chimatenga mtundu wosavomerezeka wa Pak, womwe uli ndi maubwino okana kukhudzidwa, kutsutsana pang'ono ndikukhazikitsa kosavuta. Chifukwa cha ntchito yapadera ya mphete, ili ndi mphamvu zotsutsana ndi extrusion pansi pa kupanikizika kwakukulu ndi chilolezo chachikulu, ndipo kupanikizika kwa ntchito kuli ngati 50MPa.

F. Manja a buffer okhala ndi ndodo ndi ndodo yolowera, yomwe imatha kusintha kusinthaku, ndipo chifukwa pali kusiyana kwakukulu pakati pamanja ndi pisitoni, kuthamanga koyambira kumatha kuchepetsedwa. The gawo lotetezedwa plunger utenga zitsulo mpira malire, sipangakhalenso tiwolokere. Manja a buffer ndi ma buffer omwe ali ndi mawonekedwe oyandama. Chifukwa chake, imatha kukhala ndi malo ochepera pang'ono, osanjanitsa pakati ndikuchotsa zolakwika za coaxial shaft. Ntchito yotetezera ndiyabwino, yomwe ingachepetse phokoso ndi kunyamula katundu ndikukhalitsa moyo wautumiki wa makina.

Ntchito

Excavator Hydraulic Cylinder
Excavator Hydraulic CylinderExcavator Hydraulic Cylinder


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