Amabheringi esitokwe esigingqika sesitimela
Ama-bearings esitokweni sokugingqika kwesitimela abhekisela kuma-bearings asetshenziswa ezinqolobaneni zezitimela kanye nasesitokweni sokugingqika. Ama-bearings esitokweni afaka ama-bearings esitokweni, ama-bearings e-traction motor, ama-bearings esistimu yokudlulisa, ama-power unit bearings kanye nama-bearings esistimu yokupholisa, njll., kuyilapho ama-bearings esitokweni ikakhulukazi ama-bearings esitokweni, ama-axles e-axles emoto yabagibeli ikakhulukazi asebenzisa ama-bearings amafushane angama-cylindrical roller, kanti ama-axles ezimoto zempahla asebenzisa kakhulu ama-bearings ama-roller aqoshiwe, futhi ukuhlukahluka, isakhiwo kanye nokusebenza kwama-bearings ezimoto kufana kakhulu nama-bearings esitokweni sezitimela.
1.Ukuthwala ibhokisi le-axle
Isondo lesitimela lixhunywe nomzimba wesitimela ngebhokisi lesitimela, uhlaka lwentwasahlobo kanye ne-bogie, kanti i-axle box bearing ithwala ngqo amandla adonsela phansi esitimela kanye nomthelela we-radial kanye ne-axial wesitimela esondweni, ngaphezu kokudlulisa amandla okudonsa kanye neminye imithwalo eyengeziwe ekhiqizwa yilo, ngakho-ke i-axle box bearing kumele ibe nomthamo omkhulu wokuthwala, ikwazi ukumelana nokushaqeka nokudlidliza, futhi kumele ibe nokuphila okuphezulu, ukuphepha nokuthembeka, usayizi omncane kanye nekhwalithi; Kulula ukuhlola nokunakekela, njll. Ngakho-ke, ama-locomotive bearing avame ukusebenzisa uchungechunge lwama-bearing angewona ajwayelekile kanye nezimo zobuchwepheshe zokuthwala ezikhethekile, futhi ama-rolling bearing asetshenziswa kakhulu anezigaba ezintathu ezilandelayo.
(1)Ama-roller bearings e-cylindricalAma-axle amaningi ezinqolobane zikadizili kanye nezinqolobane zikagesi asebenzisaamabheringi e-cylindrical rollerKunezinhlobo ezimbili eziyinhloko.
1)Imigqa emine yama-roller bearings ayindilinga
I-locomotive axle box bearing yaseShayina yayiyiyona yokuqala ukuyisebenzisa, futhi inani elikhulu kunawo wonke lalawa alayishiwe uhlobo lwe-roller roller bearing olunemigqa emine oluyi-972832. I-bearing inomthamo omkhulu womthwalo futhi ihlala isikhathi eside, futhi umthwalo wayo oguquguqukayo olinganiselwe yi-1445kN. Njengoba ingathwala kuphela imithwalo ye-radial, hhayi imithwalo ye-axial, kuyadingeka ukusetha idivayisi yokumelana namandla e-axial ebhokisini le-axle.
2) Ama-roller bearings aphindwe kabili
Amabhokisi e-axle e-Dongfanghong 2, 3, 5, 21 kanye ne-Beijing e-locomotive aseShayina asebenzisa ama-roller bearings angu-982832T anemigqa emibili, aphethe amandla e-radial, kanye nama-angular contact ball bearings angu-146132T aphethe imithwalo ye-axial.
(2)Ama-roller bearings ayisiyingi
Inzuzo yokusebenzisa ama-roller bearings ayindilinga ukuthi ayikho idivayisi yokunciphisa ukuthambekela phakathi kwebhokisi le-axle kanye nohlaka lwe-bogie. I-axle box bearing ye-ND2 diesel locomotive iyi-roller bearing eyindilinga yohlobo lwe-C. Imodeli yayo ifana ne-domestic bearing 3G4053736KT. Ama-roller alolu hlobo lwe-bearing ayalingana, indandatho yangaphakathi ayinayo i-flange yangaphandle, i-flange ephakathi iyahlukaniswa, i-roller ixhumene nendandatho yangaphandle, ubude bokusebenza obusebenzayo be-roller bude, futhi impilo yesevisi inkulu kancane kune-roller bearing eyindilinga engalingani enobukhulu obufanayo bangaphandle.
(3)Ama-roller bearings athambile
Lolu hlobo lwebheri olusetshenziswa ebhokisini le-axle le-locomotive luyi-roller bearing enemigqa emibili, kanti i-ND5 diesel locomotive ifakwe i-AP type bearing. Lolu hlobo lwebheri luyi-intshi eyodwa, futhi luvame ukusetshenziswa kumazinga e-B, C, D, E, F, G nakwamanye, asetshenziselwa amazinga ahlukene ama-axle.
2.Ukuthwala kwenjini yokudonsa
(1) Ukuthwala kwe-armature ye-traction motor
Injini yokudonsa iyimishini eyinhloko ohlelweni lokudlulisa lwezitimela zikagesi kanye nezitimela zikadizili eziqhutshwa ngogesi, kanti i-armature bearing ingenye yezingxenye zayo eziyinhloko.
1)Ama-bearings okudlulisela ohlangothini olulodwa
I-armature ivame ukusekelwa ngama-fulcrum amabili, ukuphela kokuphuma kwegiya lokufaka kuyisekelo elihambayo, kanti ukuphela kwe-commutator kuyisekelo sokuma. I-output bearing ibekwe eduze kwegiya, okuyiyona ecindezeleke kakhulu, futhi iyisihluthulelo sama-bearing amabili e-armature. Ukuze kuncishiswe umthwalo, uhlobo lwe-NU lwe-cylindrical roller bearing olungenayo i-inner ring flange luvame ukusetshenziswa. I-commutator end ngokuvamile isebenzisa uhlobo lwe-cylindrical roller bearing NUP olune-flange eyodwa ene-flange eyodwa ene-flange eyisicaba endandatho yangaphakathi, futhi kukhona nama-cylindrical roller bearing ane-flange eyodwa ene-inner flange kanye ne-bevel retaining ring ekugcineni kwe-commutator.
2) Amabheringi okudlulisela ohlangothini oluphindwe kabili
Uma amandla enjini enkulu, uma i-transmission yecala elilodwa isasetshenziswa, umthwalo wokuthwala ekugcineni kwegiya mkhulu kakhulu, futhi kunzima ukukhetha i-bearing ukuthi umthwalo oguquguqukayo olinganisiwe kanye nesivinini esiphezulu kungahlangabezana nezidingo, ngakho-ke imodi yokudlulisela enezinhlangothi ezimbili ingashintshwa ngaphansi kwesimo esivunyelwe umklamo wemoto. Inzuzo yokudlulisela enezinhlangothi ezimbili ukuthi amagiya e-helical cylindrical angasetshenziswa, ukuze ama-engeli e-helix amagiya amabili alingane futhi isiqondiso sokujikeleza siphambene, ukuze kutholakale ikhwalithi yokudlulisela ezinzile ngaphandle kokukhiqiza umthwalo we-axial. I-bearing efanele le njongo uhlobo lwe-cylindrical roller bearing NU olungena-flange eringini yangaphakathi, uma i-spur cylindrical gear isasetshenziswa ekudluliseni kwezinhlangothi ezimbili, i-bearing engamelana namandla athile e-axial kufanele ikhethwe, futhi i-cylindrical roller bearing NJ uhlobo lwe-flange eyodwa eringini yangaphakathi ngokuvamile isetshenziswa.
(2)Ukuthwala umgodi wokuthwala we-traction motor
Ama-traction motors afakwe ku-axle avame ukusekelwa ku-bogie ngenduku yokulungisa ohlangothini olulodwa, kanye ne-axle kolunye uhlangothi nge-shaft bearing.Ama-roller bearings e-cylindrical, amabheringi e-roller ayindilingafuthiamabheringi e-roller anciphilesezisetshenzisiwe.
Ukuthwala kwe-roller eyi-cylindricalAma-s afanele izitimela zesivinini esikhulu, futhi imijikelezo yazo yokugcwalisa amafutha inde, futhi ukufakwa nokugcinwa kulula kakhulu, ikakhulukazi uma usebenzisa igobolondo elihlanganisiwe, le nzuzo ingabonakaliswa ngokugcwele. Ukuqina kokufakwa kwama-roller bearings athambile kuhle, okusiza ekuqinisekiseni ukunemba kwe-meshing yamagiya, kodwa kunzima ukulungisa ukuhlanganiswa kwawo kanye nokuhlukaniswa kwawo kanye ne-axial clearance. Ukufakwa kwamasethi amabili ama-roller bearings ayindilinga, ikakhulukazi i-disconnection, kunzima kakhulu kunokwama-roller bearings athambile, kodwa kungamelana nokugoba kwe-shaft. I-shaft bearing ye-traction motor ye-electric locomotive eShayina isebenzisa i-roller bearings eyindilinga, futhi imodeli yayo yi-3G3053148T.
(3)Amabheringi ejeneretha yokudonsa
Umzimba wejenereyitha yokudonsa yenjini yedizili yesimanje eqhutshwa ngogesi uvame ukufakwa ekugcineni komzimba ekugcineni kokuphuma kwenjini yedizili. Kungakhathaliseki ukuthi ifakwe ngale ndlela noma ngenye indlela, ukuphela kokungena kwe-armature akuvamile ukufakwa ama-bearings, futhi i-armature ngokuvamile isekelwa ku-crankshaft noma ku-output shaft yenjini yedizili ngokusebenzisa i-elastic coupling, ukuze kufinyezwe usayizi we-longitudinal wejenereyitha.
Isiphetho sangaphandle se-armature shaft singasetshenziswa ngokujwayelekileamabheringi e-cylindrical roller, futhi ngezinye izikhathi ukuze kube lula kakhulu ukuhambisana nenjini kadizili ngesikhathi sokufakwa, ama-roller bearings ayindilinga nawo angasetshenziswa.
3. Ama-bearings ohlelo lokudlulisa amanzi olusebenzisa i-hydraulic lwezitimela zikadizili
Uhlelo lokudlulisa i-hydraulic lwe-diesel locomotive luvame ukuba nezingxenye ezintathu: ibhokisi lokudlulisa i-hydraulic, i-cardan shaft, kanye ne-axle gearbox. Ngezinye izikhathi ama-shunting locomotive afaka ne-gearbox yesimo sokusebenza, efakwe inani elikhulu lama-rolling bearings.
(1) I-Hydraulic gearbox bearing
Imodi yokusebenza yebhokisi lokudlulisa i-hydraulic ukuguqula amandla enjini kadizili abe amandla enjini yokushayela nge-hydraulic torque converter lapho isitimela sidonswa; Uma kusetshenziswa i-power brake, i-hydraulic brake isetshenziselwa ukumunca amandla e-kinetic amasondo enjini yokushayela. Kunezinhlelo eziningi ze-shaft ezihlelwe ku-gearbox ye-hydraulic, futhi ukusekelwa kwe-shaft ngayinye kuphelele ngama-rolling bearings.
(2) Ukuthwala kwebhokisi legiya eliphakathi
Izingxenye eziyinhloko zebhokisi lamagiya eliphakathi yi-input shaft kanye ne-output shaft ngayinye inamagiya amabili, kanti igiya kwelinye lama-shaft liyi-shift gear, kanti i-shaft kanye negiya layo kune-clutch mechanism, engenza elinye lamagiya lixhumane ne-shaft futhi lidlulise amandla; Elinye igiya liyama nje kulokhu. I-shift gear kanye ne-clutch zivame ukuhlelwa ku-input shaft, ngoba i-input torque incane, okusiza ekunciphiseni usayizi we-spline clutch kanye nosayizi we-bearing.
(3) I-gearbox bearing ye-axle
4. I-crankshaft bearing yenjini yedizili
Izinzuzo eziyinhloko ze-crankshaft bearing yenjini kadizili esebenzisa i-rolling bearing zikhawulelwe enjinini kadizili enesivinini esikhulu, okungukuthi: ukulahlekelwa okuncane kokungqubuzana, ukusebenza kahle kakhulu kwemishini, umsebenzi othembekile kanye nokuphila isikhathi eside; Ukuthambisa okulula, usayizi omncane we-radiator kawoyela, njll. Uma kuqhathaniswa nokusetshenziswa kwama-sliding bearing, izinkinga zayo eziyinhloko yilezi: intengo ephezulu, ikhwalithi enkulu, izidingo zobuchwepheshe eziphezulu zokuhlanganisa ama-bearing nama-crankshaft, ukulungiswa okungafanele kanye nokushintshwa, kanye nomsindo omkhulu.
Kuma-crankshaft amancane enjini kadizili anesilinda elilodwa kanye ne-double-cylinder, kusetshenziswa kakhulu ama-rolling bearings ekilasini 0; Kuma-crankshaft enjini kadizili anesivinini esikhulu kanye namandla aphezulu, ngenxa yemithwalo yawo emikhulu, kusetshenziswa ama-roller bearings ayisilinda kuphela.
Isikhathi sokuthunyelwe: Julayi-28-2025
