Nā bearings kaʻaahi
ʻO nā bearings rolling stock railway e pili ana i nā bearings i hoʻohana ʻia i loko o nā locomotive a me nā rolling stock. ʻO nā bearings ma ka locomotive e komo pū me nā bearings pahu axle, nā bearings motika traction, nā bearings ʻōnaehana hoʻoili, nā bearings ʻāpana mana a me nā bearings ʻōnaehana hoʻoluʻu, a me nā mea ʻē aʻe, ʻoiai ʻo nā bearings ma ke kaʻa he mau bearings pahu axle nui, ʻo nā pahu axle kaʻa ohua e hoʻohana nui i nā bearings wili cylindrical pōkole, a ʻo nā pahu axle o nā kaʻa ukana e hoʻohana nui i nā bearings wili tapered, a ʻo ke ʻano, ke ʻano a me ka hana o nā bearings kaʻa e like me nā bearings pahu axle locomotive.
1.Ka mea hāpai pahu ʻākau
Hoʻopili ʻia ka huila locomotive me ke kino locomotive ma o ka pahu axle, ka pūnāwai a me ke kiʻikuhi bogie, a halihali pololei ka pahu axle i ke kaumaha puna o ka locomotive a me ka hopena radial a me axial o ke kaʻaahi ma ka huila, me ka hoʻouna ʻana i ka ikaika traction a me kekahi mau ukana hou i hana ʻia ma laila, no laila pono ka pahu axle e loaʻa i kahi hiki ke halihali nui, hiki ke kū i ka haʻalulu a me ka haʻalulu, a pono e loaʻa ke ola kiʻekiʻe, palekana a hilinaʻi, liʻiliʻi ka nui a me ka maikaʻi; Maʻalahi e nānā a mālama, a pēlā aku. No laila, hoʻohana pinepine nā bearings locomotive i nā moʻo bearings maʻamau ʻole a me nā kūlana loea bearing kūikawā, a ʻo nā bearings wili i hoʻohana pinepine ʻia he ʻekolu mau ʻāpana.
(1)Nā mea hoʻopaʻa wili cylindricalHoʻohana ka hapa nui o nā axles o nā locomotive diesel a me nā locomotive uilanā mea hoʻopaʻa wili cylindricalʻElua ʻano nui.
1)ʻEhā lālani o nā bearings wili cylindrical
ʻO ka bearing pahu axle locomotive o Kina ka mea mua loa i hoʻohana ʻia, a ʻo ka nui o nā mea i hoʻouka ʻia ʻo ia ka bearing wili cylindrical ʻehā lālani 972832. Loaʻa i ka bearing kahi ukana kiʻekiʻe a me ke ola lōʻihi, a ʻo kāna ukana dynamic i helu ʻia he 1445kN. No ka mea hiki iā ia ke halihali i nā ukana radial wale nō, ʻaʻole nā ukana axial, pono e hoʻonohonoho i kahi mea e kū i nā ikaika axial i loko o ka pahu axle.
2) Nā mea hoʻopaʻa wiliwili paukūʻolokaʻa lālani pālua
Hoʻohana nā pahu axle locomotive Dongfanghong 2, 3, 5, 21 a me Beijing o Kina i nā bearings wili cylindrical lālani pālua 982832T, e hali ana i nā mana radial, a me nā bearings pōpō hoʻopili angular 146132T e hali ana i nā ukana axial.
ʻO ka pōmaikaʻi o ka hoʻohana ʻana i nā bearings wili poepoe, ʻaʻohe mea hoʻopaʻi hoʻohuli ma waena o ka pahu axle a me ke kiʻikuhi bogie. ʻO ka bearings pahu axle o ka locomotive diesel ND2 he bearing wili poepoe ʻano C. Ua like kona kumu hoʻohālike me ka bearing kūloko 3G4053736KT. He symmetrical nā wili o kēia ʻano bearing, ʻaʻohe flange waho o ke apo o loko, hiki ke hoʻokaʻawale ʻia ka flange waena, pili ka wili me ke apo o waho, ʻoi aku ka lōʻihi o ka hana pono o ka wili, a ʻoi aku ka nui o ke ola lawelawe ma mua o ka bearing wili poepoe asymmetrical me ka nui o waho like.
(3)Nā bearings wili i hoʻopili ʻia
ʻO kēia ʻano bearing i hoʻohana ʻia i loko o ka pahu axle o ka locomotive he bearing wili tapered lālani pālua, a ua lako ka locomotive diesel ND5 me kahi bearing ʻano AP. He ʻīniha ka nui o kēia ʻano bearing, a hoʻohana pinepine ʻia ma B, C, D, E, F, G a me nā pae ʻē aʻe, i hoʻohana ʻia no nā papa like ʻole o nā axles.
2.Ka hali ʻana o ka motika traction
(1) Ka mea e hāpai ai i ka mīkini traction armature
ʻO ka motika traction ka lako nui i ka ʻōnaehana hoʻoili o nā locomotive uila a me nā locomotive diesel hoʻokele uila, a ʻo ka bearing armature kekahi o kāna mau ʻāpana nui.
1)Nā bearings no ka hoʻoili ʻana i hoʻokahi ʻaoʻao
ʻO ka maʻamau, kākoʻo ʻia ka armature e nā fulcrums pālua, ʻo ka hopena puka o ke kapa kau he kākoʻo hele, a ʻo ka hopena commutator he kākoʻo kūlana. Hoʻonoho ʻia ka bearing puka kokoke i ke kapa, ʻo ia ka mea i hoʻokaumaha nui ʻia, a ʻo ia ke bearing kī o nā bearings ʻelua o ka armature. I mea e hōʻemi ai i ka ukana, hoʻohana pinepine ʻia ke ʻano NU o ka bearing cylindrical roller me ka ʻole o ka flange apo o loko. Hoʻohana pinepine ka hopena commutator i ke ʻano NUP bearing cylindrical roller me kahi flange hoʻokahi me kahi flange hoʻokahi me kahi apo paʻa pālahalaha ma ke apo o loko, a aia pū kekahi mau bearing cylindrical roller me kahi flange hoʻokahi me kahi flange o loko a me kahi apo paʻa bevel ma ka hopena commutator.
2) Nā bearings no ka hoʻoili ʻana ʻelua ʻaoʻao
Ke nui ka mana o ka mīkini, inā hoʻohana mau ʻia ka hoʻoili ʻaoʻao hoʻokahi, nui loa ka ukana halihali ma ka hopena o ke kapa, a he paʻakikī ke koho i ka bearing e hiki ai i ka ukana dynamic i helu ʻia a me ka wikiwiki hope loa ke hoʻokō i nā koi, no laila hiki ke hoʻololi ʻia ke ʻano hoʻoili ʻelua ʻaoʻao ma lalo o ke kūlana e ʻae ʻia ai ka hoʻolālā mīkini. ʻO ka pōmaikaʻi o ka hoʻoili ʻelua ʻaoʻao, ʻo ia ka hiki ke hoʻohana ʻia nā kia cylindrical helical, i like nā kihi helix o nā kia ʻelua a kūʻē ke kuhikuhi o ka wili, i mea e loaʻa ai kahi kūlana hoʻoili paʻa me ka ʻole o ka hoʻoulu ʻana i ka ukana axial. ʻO ka bearing kūpono no kēia kumu ʻo ia ka cylindrical roller bearing NU ʻano me ka ʻole o ka flange i loko o ke apo o loko, inā hoʻohana mau ʻia ka spur cylindrical gear no ka hoʻoili ʻana ʻelua ʻaoʻao, pono e koho ʻia ka bearing e hiki ke kū i kekahi ikaika axial, a hoʻohana pinepine ʻia ka cylindrical roller bearing ʻano NJ me kahi flange hoʻokahi i loko o ke apo o loko.
(2)ʻO ke koʻokoʻo o ka mea halihali motika traction
Kākoʻo pinepine ʻia nā motika traction i kau ʻia ma ke axle ma ka bogie e kahi koʻokoʻo hoʻoponopono ma kekahi ʻaoʻao, a ma ke axle ma kekahi ʻaoʻao e kahi bearing shaft.Nā mea hoʻopaʻa wili cylindrical, nā mea wili poepoea menā bearings wili i hoʻopaʻa ʻiaua hoʻohana ʻia.
ʻO ka hali ʻōwili cylindricalHe kūpono ia no nā locomotive wikiwiki, a he lōʻihi ko lākou mau pōʻaiapuni hoʻopiha hou ʻana i ka momona, a he maʻalahi ke kau ʻana a me ka mālama ʻana, ʻoiai ke hoʻohana ʻana i ka pūpū hoʻohui, hiki ke hōʻike piha ʻia kēia pono. Maikaʻi ka paʻakikī o ke kau ʻana o nā bearings roller tapered, kahi mea e kōkua ai i ka hōʻoia ʻana i ka pololei o ka meshing o nā kia, akā he paʻakikī ke hoʻoponopono i kā lākou ʻākoakoa a me ka wehe ʻana a me ka axial clearance. ʻOi aku ka paʻakikī o ke kau ʻana o ʻelua mau set o nā bearings roller spherical, ʻoi aku ka wehe ʻana, ma mua o nā bearings roller tapered, akā hiki ke hoʻokipa i ke kūlou ʻana o ke koʻokoʻo. Hoʻohana ka bearings koʻokoʻo o ka mīkini traction o ka locomotive uila ma Kina i kahi bearings roller spherical, a ʻo kāna kumu hoʻohālike ʻo 3G3053148T.
(3)Nā bearings mīkini hana traction
ʻO ke kino o kahi mīkini hana hoʻoili uila diesel hou e hoʻokomo pinepine ʻia ma ka ʻaoʻao hope o ke kino ma ka hopena hoʻopuka o ka mīkini diesel. Inā paha e hoʻokomo ʻia ma kēia ʻano a i ʻole, ʻaʻole i hoʻolako pinepine ʻia ka hopena hoʻokomo o ka armature me nā bearings, a ua kākoʻo pinepine ʻia ka armature ma ka crankshaft a i ʻole ka ʻau hoʻopuka o ka mīkini diesel ma o kahi hui elastic, i mea e pōkole ai ka nui longitudinal o ka mīkini hana.
Hiki ke hoʻohana ʻia ka ʻaoʻao o waho o ke koʻokoʻo armature menā mea hoʻopaʻa wili cylindrical, a i kekahi manawa i mea e maʻalahi ai ke hoʻohālikelike me ka mīkini diesel i ka wā o ke kau ʻana, hiki ke hoʻohana ʻia nā bearings wili poepoe.
3. Nā bearings o ka ʻōnaehana hoʻoili hydraulic o nā locomotives diesel
ʻO ka ʻōnaehana hoʻoili hydraulic o ka locomotive diesel ma ke ʻano laulā he ʻekolu mau ʻāpana: ka pahu hoʻoili hydraulic, ke koʻokoʻo cardan, a me ka pahu pahu axle. I kekahi manawa hoʻokomo pū nā locomotive shunting i kahi pahu pahu hana, i hoʻolako ʻia me ka nui o nā bearings wili.
(1) Ka mea e hāpai ai i ka pahu pahu hydraulic
ʻO ke ʻano hana o ka pahu hoʻoili hydraulic, ʻo ia ke hoʻololi i ka mana o ka mīkini diesel i ka mana o ka locomotive hoʻokele ma o ka mea hoʻololi torque hydraulic i ka wā e huki ʻia ai ke kaʻaahi; I ka wā e hoʻopili ai i ka braking mana, hoʻohana ʻia ka braking hydraulic e omo i ka ikehu kinetic o nā huila locomotive. Hoʻonohonoho ʻia kekahi mau ʻōnaehana koʻokoʻo i loko o ka pahu pahu hydraulic, a ʻo ke kākoʻo o kēlā me kēia koʻokoʻo a pau me nā bearings wili.
(2) Ka hali pahu pahu waena
ʻO nā ʻāpana nui o ka pahu pahu waena ʻo ia ka ʻau hoʻokomo a me ka ʻau hoʻopuka i kēlā me kēia me ʻelua mau kia, a ʻo ke kia ma kekahi o nā ʻau he kia hoʻololi, a ʻo ke kumu a me kāna kia he mīkini paʻa, hiki ke hoʻopili i kekahi o nā kia me ke kumu a hoʻouna i ka mana; Ke hana wale nei ka kia ʻē aʻe i kēia hihia. Hoʻonohonoho pinepine ʻia ka kia hoʻololi a me ka paʻa ma ka ʻau hoʻokomo, no ka mea, he liʻiliʻi ka torque hoʻokomo, kahi e kūpono ai i ka hōʻemi ʻana i ka nui o ka paʻa spline a me ka nui o ka bearing.
(3) Ka mea e hāpai ai i ka pahu kiaʻi ʻākau
4. ʻO ka crankshaft bearing o ka mīkini diesel
ʻO nā pono nui o ka bearing crankshaft mīkini diesel me ka hoʻohana ʻana i ka bearing rolling ua kaupalena ʻia i ka mīkini diesel wikiwiki kiʻekiʻe, ʻo ia hoʻi: ka pohō haʻalulu liʻiliʻi, ka pono mechanical kiʻekiʻe, ka hana hilinaʻi a me ke ola lawelawe lōʻihi; lubrication maʻalahi, ka liʻiliʻi o ka radiator aila, a pēlā aku. Ke hoʻohālikelike ʻia me ka hoʻohana ʻana i nā bearings sliding, ʻo kona mau hemahema nui: ke kumukūʻai kiʻekiʻe, ke ʻano nui, nā koi loea kiʻekiʻe no ka hōʻuluʻulu ʻana i nā bearings a me nā crankshafts, ka mālama pono ʻole a me ka hoʻololi ʻana, a me ka walaʻau nui.
No nā crankshafts mīkini diesel liʻiliʻi hoʻokahi-cylinder a me pālua-cylinder, hoʻohana nui ʻia nā bearings rolling class 0; No nā crankshafts mīkini diesel wikiwiki a me ka mana kiʻekiʻe, ma muli o kā lākou ukana nui, hoʻohana wale ʻia nā bearings roller cylindrical.
Ka manawa hoʻouna: Iulai-28-2025
