Pisitini oruka apoju awọn ẹya fun excavator

Apejuwe kukuru:

Ohun elo

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Fi imeeli ranṣẹ si wa

Alaye ọja

ọja Tags

pisitini oruka

Nitoripe ọpọlọpọ awọn iru awọn ohun elo apoju, a ko le ṣe afihan gbogbo wọn lori oju opo wẹẹbu. Jọwọ lero free lati kan si wa fun awọn kan pato.

anfani

1. A pese awọn mejeeji atilẹba ati awọn ọja ọja ọja fun ọ
2. Lati olupese si onibara taara, fifipamọ iye owo rẹ
3. Idurosinsin iṣura fun deede awọn ẹya ara
4. Ni Akoko Ifijiṣẹ Akoko, pẹlu idiyele gbigbe ifigagbaga
5. Ọjọgbọn ati ni akoko lẹhin iṣẹ

iṣakojọpọ

Awọn apoti paali, tabi gẹgẹ bi ibeere awọn alabara.

apejuwe

Iwọn pisitini jẹ oruka irin ti a lo lati wa ni ifibọ sinu piston groove. Awọn oriṣi meji ti awọn oruka pisitini: oruka funmorawon ati oruka epo. A le lo oruka fisinuirindigbindigbin lati fi ipari si adalu gaasi ijona ni iyẹwu ijona; oruka epo ti wa ni lo lati scrape awọn excess epo lori silinda.
Iwọn pisitini jẹ oruka rirọ irin pẹlu imugboroja ita nla ati abuku, ati pe o ti ni ibamu si apakan agbelebu ati iho annular ti o baamu. Iwọn piston ti o tun pada ati yiyi da lori iyatọ titẹ ti gaasi tabi omi lati ṣe aami kan laarin aaye iyipo ita ti iwọn ati silinda ati oju ẹgbẹ kan ti iwọn ati oruka oruka.
Ipa
Awọn ipa ti n ṣiṣẹ lori iwọn piston pẹlu titẹ gaasi, agbara rirọ ti iwọn funrararẹ, agbara inertial ti iwọn iṣipopada iyipada, agbara ija laarin iwọn ati silinda ati iwọn oruka. Nitori awọn ipa wọnyi, oruka yoo gbejade awọn agbeka ipilẹ gẹgẹbi iṣipopada axial, gbigbe radial, ati iyipo iyipo. Ni afikun, nitori awọn abuda gbigbe rẹ, pẹlu iṣipopada alaibamu, oruka piston laiseaniani han lilefoofo ati gbigbọn axial, radial alaibamu ronu ati gbigbọn, lilọ lilọ ti o ṣẹlẹ nipasẹ axial alaibamu ronu. Awọn agbeka alaibamu wọnyi nigbagbogbo ṣe idiwọ iwọn piston lati ṣiṣẹ. Nigbati o ba n ṣe apẹrẹ oruka piston, o jẹ dandan lati fun ere ni kikun si iṣipopada ọjo ati ṣakoso ẹgbẹ ti ko dara.
Gbona elekitiriki
Ooru giga ti ipilẹṣẹ nipasẹ ijona ni gbigbe si ogiri silinda nipasẹ iwọn piston, nitorinaa o le tutu piston naa. Ooru ti a tuka si ogiri silinda nipasẹ iwọn piston le de ọdọ 30-40% ti ooru ti o gba nipasẹ oke piston naa.
Afẹfẹ wiwọ
Iṣẹ akọkọ ti oruka piston ni lati ṣetọju idii laarin piston ati ogiri silinda ati lati ṣakoso jijo afẹfẹ si o kere ju. Yi ipa jẹ nipataki nipasẹ awọn iwọn gaasi, ti o ni, awọn jijo ti fisinuirindigbindigbin air ati gaasi ti awọn engine yẹ ki o wa ni akoso si o kere labẹ eyikeyi ọna awọn ipo lati mu gbona ṣiṣe; ṣe idiwọ silinda ati piston tabi silinda ati oruka naa lati ṣẹlẹ nipasẹ ijagba jijo afẹfẹ; lati ṣe idiwọ awọn aiṣedeede ti o ṣẹlẹ nipasẹ ibajẹ ti epo lubricating.
Iṣakoso epo
Iṣẹ keji ti oruka piston ni lati yọkuro daradara epo lubricating ti o so mọ odi silinda ati ṣetọju lilo epo deede. Nigbati ipese epo lubricating ba pọ ju, yoo fa mu sinu iyẹwu ijona, eyiti yoo mu agbara epo pọ si. Pẹlupẹlu, nitori idogo erogba ti iṣelọpọ nipasẹ ijona, iṣẹ ẹrọ yoo ni ipa pupọju.
Atilẹyin
Nitori piston jẹ kekere diẹ sii ju iwọn ila opin ti inu ti silinda, ti ko ba si oruka piston, piston jẹ riru ninu silinda ati pe ko le gbe larọwọto. Ni akoko kanna, oruka yẹ ki o ṣe idiwọ piston lati kan si silinda taara, ki o ṣe ipa atilẹyin. Nitorinaa, oruka pisitini n gbe soke ati isalẹ ninu silinda, ati dada sisun rẹ ni kikun nipasẹ iwọn.