Mesamo ea tse tharo, kapa hore na lienjine tse 3-cylinder li kentsoe joang
Baetsi ba likoloi ba ntse ba eketsa ho hlahisa lienjineri tse tharo tsa li-cylinder linyehelong tsa bona. Le hoja likarolo tsena li sebelisa mafura a fokolang ha li bapisoa le li-cylinder tse 'nè, ka lehlakoreng le leng, li baka mathata a mangata, haholo-holo a amanang le ho kenya liforeimi tsa likoloi.
Bothata ke eng?
Palo e fokotsehileng ea li-cylinders e hloka hore ho sebelisoe mekhoa e nepahetseng ea ho senya, ho kenyelletsa le li-balancer shafts. The resonance damping Curve e tlameha ho ikamahanya le moralo oa enjene ka bomong, ho fapana le lienjine tsa setso tsa li-cylinder tse nne. Ho etsa bonnete ba hore ho sisinyeha ho nepahetseng ha li-cylinder tse tharo, ho sebelisoa lisebelisoa tse loketseng tsa enjine ho fokotsa, haholo-holo, metsamao ea bona ea longitudinal le ea lateral.
Hydraulic, electro-hydraulic kapa torque fastening?
Ho kenya li-engine tse tharo-cylinder, u ka sebelisa li-cushions tsa hydraulic le electrohydraulic, tse nang le bophelo bo bolelele ba tšebeletso. Leha ho le joalo, matsatsing ana lintho tseo ho thoeng ke "brake mount" li kopanya li-pads hangata li tsejoa e le li-lollipops. Tharollong ena, damping ea vibration e fanoa ke sehokelo se khethehileng seo ho sona bushing e le 'ngoe e khomaretsoeng enjene,' me e 'ngoe e koaletsoe' meleng. Monyetla oa "ts'ehetso ea motsotso" ke moeli o tsitsitseng oa ho sekama ha enjene, empa bobe ke bophelo bo khuts'oane ba ts'ebeletso ha bo bapisoa le li-cushions tsa hydraulic.
Ke khefu efe?
Lihlahla tse ntseng li phahama li senyeha ka mochine nakong ea ts'ebetso. Ho hlōleha ha e 'ngoe ea tsona ho lebisa ho ts'ebetso e phahameng ea enjene, hammoho le ho thothomela (resonant oscillations) e fetisetsoang ho' mele oa koloi. Ho khanna koloi ea hau nako e telele haholo ka lihlahla tse fosahetseng ho ka baka tšenyo ho likarolo tsa phetisetso 'me ha fella ka ho thothomela ho bonahalang ha lefi le lebili la setereng. Maemong a feteletseng, ho hloleha ho fokotsa ho thothomela ho tla baka tšenyo tsamaisong ea tsamaiso, enjene le phetiso.
Ho nka sebaka neng?
Ha ho na sebaka se behiloeng ka mor'a moo li-airbags tsa enjene li tlamehang ho nkeloa sebaka. Li lokela ho nkeloa sebaka ke tse ncha ha matšoao a tšenyo a hlokomeloa. Ela hloko! Haeba thaba e senyehileng e behiloe ka axially ka thaba e 'ngoe (mohlala, bohareng ba sebaka sa metsi sa enjene), ka bobeli li lokela ho nkeloa sebaka.
Ka litšobotsi tse feto-fetohang tsa damping
Litharollo tsa sejoale-joale li sebelisa seo ho thoeng ke li-engine mounts tse sebetsang, tse khetholloang ka litšobotsi tse fapaneng tsa damping. Tsela e 'ngoe ke ho sebelisa motlakase oa motlakase. E u lumella ho fetola boemo ba ho fokotsa maemo ho maemo a hona joale a ho khanna kapa mokhoa oa ho khanna o khethiloeng ke mosebedisi, hammoho le ho laola ka mokhoa o nepahetseng litšobotsi tse senyang tsa ho sisinyeha ho sa leka-lekaneng (sena ke sa bohlokoa haholo tabeng ea lienjineri tse tharo tsa li-cylinder in-line).
Ntho e fapaneng le mokhoa ona ke mochine oa motlakase o nang le mekhoa e 'meli ea ts'ebetso (ho e-na le motlakase oa motlakase). Seo ho thoeng ke litšobotsi tse bonolo tsa mosamo li utloahala feela ha li sa sebetse. Ka lehlakoreng le leng, ha koloi e ntse e tsamaea, boholo ba matla a damping boa fetoha 'me bo lumellana le ho thothomela ha hona joale ha enjene.
Joang damping e nepahetseng e khethoa? Ts'ebetso ea mochini oa ho phahamisa enjene e laoloa ke yuniti ea taolo e amohelang matšoao ho tsoa mehloling e 'meli: sensor ea lebelo la crankshaft le li-acceleration sensors (tse lutseng lithabeng tse peli tsa enjine). Ba fana ka data ea amplitude ea nako ea nnete bakeng sa ho felisa vibrate. Tsela e 'ngoe ea ho fokotsa ho thothomela ke ho sebelisa mochine o khethehileng oa hydraulic mochine oa ho kenya mochine. Li kolobisitsoe ke "hydraulic medium" (hydraulic fluid e thehiloeng ho propylene glycol), eo tabeng ena e leng boima bo ka hare bo lekanyang ho sisinyeha. E sebetsa joang? Ho kenngoa ha matla a maholo a ho sisinyeha ha amplitude ho tloha nthong e emisitsoeng ho etsahala ka lebaka la ho phalla ha mokelikeli o sebetsang ho tloha ka kamoreng ea ho sebetsa (ka likanale tsa damping) ho kena ka kamoreng e lekanang. Phallo ena e susumetsa ho thothomela ho sa batleheng hape e fokotsa ho falla ha longitudinal le lateral tsa enjene. Ka lehlakoreng le leng, ka li-amplitudes tse tlaase tsa vibration, ho fokotsa metsi ho finyelloa ka diaphragm e khethehileng e phaphametseng. E sebetsa joang? Setiiso sa diaphragm sea thothomela ho fapana le ho thothomela ho hlahisoang ke enjene. Ka lebaka leo, li-vibrations tse sa batleheng tse fetisetsoang ntlong li tlase, kahoo ha ho hlokahale ho sebelisa li-shafts tse eketsehileng.
