Zaɓi Harshe 
A ciki injiniyan gadar babbar hanya, laminated roba bearings ana amfani da su sosai tsakanin tsarin gine-gine da tsarin gadoji. Suna taka muhimmiyar rawa a ciki watsa lodi a tsaye, saukar da nakasar tsari , kuma samar da keɓewar vibration da damping.
Daga hangen nesa na injiniya, wannan tsari na tsari ya dace sosai da bene vibration dampers, m roba gammaye , kuma subgrade damping pads , waxanda suke da hali Injiniya roba girgiza keɓewa kayayyakin . Duk waɗannan tsarin sun dogara da Halin nakasawa da ƙarfin lalata makamashi na kayan roba karkashin matsi da yanayin lodi.
Yawanci, ƙarfafa yadudduka na laminated roba bearings kunshi mahara bakin ciki faranti karfe ko karfe waya raga . Ƙarƙashin ƙuntatawar waɗannan matakan ƙarfafawa, da a kaikaice kumburin roba yana danne yadda ya kamata, ta haka yana inganta haɓaka matsa lamba ƙarfi kuma gabaɗaya taurin kai na roba yadudduka.
A lokaci guda, yayin da tabbatar da high iya aiki mai ɗaukar nauyi a tsaye , isa karfi nakasawa iyawa Har yanzu ana iya samun matsuguni a kwance. Wannan yanayin yana da mahimmanci daidai a cikin ƙirar subgrade damping pads kuma m roba gammaye.
The Hanyar gwajin matsi na roba yana daya daga cikin mahimman hanyoyin tantancewa aikin injiniya na laminated roba bearings . Tare da aiwatar da matakan da aka sabunta, duka biyun hanyoyin lissafi kuma hanyoyin gwaji sun sami daidaitattun canje-canje.
Ta hanyar bincike na gwaji, wannan binciken yana yin nazari akan tsari mahimman abubuwan da ke shafar daidaiton gwaji da kuma tasirin tasirin su, samar da m tushen fasaha don injiniyan gada da injiniyan sarrafa girgiza.
1. Bayyani na Hanyar Gwajin Motsi na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwara
1.1 Asalin Ra'ayi
A shekarar 1981. Lindley PB ya ba da shawarar ƙirar ka'idar don ƙididdigewa a tsaye taurin na roba bearings , bisa zato na dabi'ar roba ta kusan m . Tun daga wannan lokacin an yi amfani da wannan ka'idar sosai a aikin injiniya.
Karkashin tsaye matsawa lodi , kayan roba ba kawai suna nunawa ba kauri-direction nakasawa , amma kuma wani mataki na nakasar ƙwanƙwasa ta gefe . Hakanan ana amfani da wannan halayyar injina bene vibration dampers kuma m roba gammaye in gina tsarin kula da rawar jiki.
1.2 Tsarin Lissafi
Don roba mai ɗauke da shi n roba yadudduka , ɗauka cewa kayan roba ba su da ma'ana kuma an ƙaddamar da su tsantsar matsawa , da taurin kai tsaye ana lissafta kamar:
Kv=E1⋅A0n⋅t1K_v = \frac{E_1 \cdot A_0}{n \cdot t_1}Kv=n⋅t1E1⋅A0
Ina:
E₁ — Dogon roba na roba na roba
A₀ — Wurin ɗaukar nauyi mai inganci
t₁ — Kauri na roba guda ɗaya
Wannan dabara yana da mahimmancin ƙima don laminated roba bearings, subgrade damping pads , kuma samfuran keɓewar girgizar da ake amfani da su a cikin tsarin jigilar dogo.
2. Ƙirar Ƙira na Tsarin Gwaji na Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙwara
The atomatik matsawa na roba modules gwajin tsarin yafi kunshi:
Na'urar gwajin matsi
Matsar da na'urori masu auna firikwensin
Gwajin sana'a da software na nazarin bayanai
A lokacin gwaji, tsarin zai iya ci gaba da samun kaya a tsaye da bayanan nakasar matsawa , ta atomatik haifar danniya – damuwa masu lankwasa , kuma lissafta matsa lamba na roba modulus tare da karkata bincike.
Aikace-aikacen wannan tsarin:
Mahimmanci yana rage ayyukan hannu
Yana guje wa kurakuran karatun ɗan adam yadda ya kamata
Yana kiyaye kurakuran gwaji cikin iyakoki masu karɓuwa
Wannan yanayin gwaji yana aiki ba kawai ga ba laminated roba bearings , amma kuma ga bene vibration dampers kuma m roba gammaye don kimanta aikin injiniya.
3. Nazarin Harka Injiniya da Kwatanta Hanyoyin Gwaji
3.1 Bayanin Harka
A laminated roba hali an zaɓa azaman samfurin gwaji tare da sigogi masu zuwa:
Diamita: 140 mm
Tsawon da aka gama: 25 mm ku
Kauri Layer Layer guda ɗaya: 4 mm ku
Karfe farantin kauri: 2 mm
Yawan farantin karfe yadudduka: 3 yadudduka
Wurin ɗaukar nauyi mai inganci: 15,366 mm²
Siffar siffa: 7.0
Jimlar kauri na roba: 20 mm
Bisa ga sabon ma'auni, da zane kewayon matsawa na roba modulus shine (303 ± 60) MPa.
3.2 Tasirin Hanyoyi daban-daban na Loading akan Sakamakon Gwaji
Don bincika tasirin hanyoyin lodi , an tsara tsarin lodawa biyu:
Tsari na 1 (Load da ba daidai ba):
Adadin lodi da saukewa na al'ada
3 hawan hawan keke
Tsari 2 (Standard loading):
Lodawa mataki-mataki daidai da sabbin ka'idoji
Kowane matakin lodi da aka kiyaye don 120 seconds kafin nakasar data saye
Sakamakon gwaji ya nuna cewa:
Tsari 1 yana nuna sabani da ya wuce 3%, tare da bayyane tasirin hysteresis
Tsari 2 yana nuna sabani kasa da 3%, bayarwa ƙarin barga da ingantaccen sakamako
Wannan ƙarshe kuma yana aiki azaman mahimman bayanai don kimanta aikin dogon lokaci na subgrade damping pads karkashin dorewa lodi.
4. Auna Rashin Tabbacin Tabbacin Lokacin Gwaji
4.1 Abubuwan Rashin tabbas masu zaman kansu na Abubuwan Kaya
Waɗannan sun haɗa da:
Auna daidaito na kayan gwaji (na'urar matsawa, mitoci, extensometers, da sauransu)
Dokokin tattara bayanai
Bambance-bambance a daidaitaccen fassarar fassarar da karantawa ta masu aiki
Ana iya rage waɗannan rashin tabbas da kyau ta hanyar maimaita gwaji kuma daidaitattun hanyoyin aiki.
4.2 Abubuwan Rashin tabbas masu alaƙa da Samfurin Gwaji
Waɗannan sun haɗa da:
Kurakurai a ciki yanki mai ɗaukar nauyi mai tasiri
Kurakurai a auna a jimlar kauri na roba da kauri farantin karfe
Kurakurai a ciki gama tsayin awo
Tasirin yanayin zafi da zafi
Irin waɗannan abubuwan suna daidai da mahimmanci a cikin gwaji na m roba gammaye kuma bene vibration dampers.
5. Sarrafa Gabaɗaya Rashin tabbas
Bayan an haɗa duk sigogin kuskure, a jimlar rashin tabbas an kafa. Ma'auni masu dacewa sun fayyace a sarari madaidaicin kurakurai masu izini don mahimman sigogi kamar lodi da ƙaura.
Ta hanyar bin waɗannan ƙa'idodi da kuma sarrafa daidaitattun kurakurai, da aminci da daidaiton sakamakon gwaji za a iya inganta sosai.
Kammalawa
Laminated roba bearings Abubuwan da ba makawa ba ne a ciki manyan hanyoyin gada , da su m aiki kai tsaye yayi tasiri gada aiki aminci.
Ta hanyar aikace-aikacen kimiyya na hanyoyin gwajin matsi na roba , hade da auna rashin tabbas bincike , tara kurakurai za a iya sarrafa su yadda ya kamata, tabbatar da babban gwaji daidaito.
Sakamakon binciken wannan binciken ba kawai ya shafi injiniyan gada , amma kuma bayar da muhimmanci nassoshi na ka'idar da aiki domin ƙira, gwaji, da aikace-aikace na bene vibration dampers, m roba gammaye , kuma subgrade damping pads , da sauran su Injiniya roba girgiza keɓewa kayayyakin.
A ciki injiniyan gada mai girma, laminated roba bearings ana amfani da su sosai tsakanin tsarin gine-gine da tsarin gadoji.
