Lub hom phiaj ntawm txoj kev tsheb ciav hlau yog dab tsi?
Jan 22, 2026
A hlau railyog ib qho khoom siv hlau nplaum uas ua tau raws li qhov txuas mus ntxiv, thauj khoom -cov kabmob nto ntawm lub log uas mus. Nws faib cov zog ntsug thiab sab nraud rau cov neeg pw tsaug zog thiab lub hauv paus kev taug qab thaum tswj kev sib raug zoo thiab kev taw qhia lub log. Nws cov khoom metallurgical thiab profile yog optimized rau hnav tsis kam, toughness, thiab qaug zog durability, ua rau nws yog ib qho tseem ceeb rau kev nyab xeeb thiab ua hauj lwm zoo nyob rau hauv railways, industrial lem, thiab crane systems.
Lub hom phiaj ntawm txoj kev tsheb ciav hlau yog dab tsi?
Lub luag haujlwm tseem ceeb ntawm txoj kev tsheb ciav hlau yog muab qhov chaw du thiab txuas ntxiv rau kev txav mus los thiab muab kev taw qhia rau sab nraud rau kev txav ntawm lub log. Nyob rau hauv tus txheej txheem, nws hloov lub load los ntawm lub log mus rau lub khiav qauv hauv qab no. Cov tsheb ciav hlau raug kev nyuaj siab.
Yuav kom muaj peev xwm tiv taus cov haujlwm no, cov ntsia hlau thiab rail hlau yog ua kom tau raws li qhov yuav tsum tau ua:
(i) siab hnav tsis kam,
(ii) siab tsis kam mus deformation los ntawm compression,
(iii) siab qaug zog,
(iv) siab yield zog, toughness / tensile zog, thiab hardness,
(v) siab tiv thaiv brittle puas,
(vi) zoo weldability,
(vii) qib siab ntawm steel purity thiab zoo kev ntxhib los mos,
(vii) profile evenness thiab qhov ntev qhov tseeb los ntawm kev tshuaj xyuas thiab kev lees paub,
(viii) qis residual stresses tom qab kev tsim khoom thiab straightening. Qee qhov kev xav tau no yog qhov tsis sib haum xeeb, uas ua rau nyuaj rau kev xaiv ntawm txoj kev tsheb ciav hlau thiab qib rail steel.
Rails ua haujlwm li cas?
Txoj kev tsheb ciav hlau ua haujlwm los ntawm kev muab kev sib txhuam qis, coj txoj hauv kev rau tsheb ciav hlau log, faib qhov hnyav hnyav los ntawm cov txheej txheem ntawm cov hlua steel, cov neeg pw tsaug zog (cov hlua), thiab ballast, thaum flanges ntawm lub log ua kom lub tsheb ciav hlau nyob nruab nrab, tso cai rau cov keyboards hloov txoj hauv kev thiab ua kom muaj kev nyab xeeb, du, thiab kev thauj mus los zoo.
- Load Distribution:Thaum lub tsheb ciav hlau los yog lub tsheb log yob ntawm txoj kev tsheb ciav hlau, lub qag qag ntsug yog tsom rau ntawm lub taub hau tsheb ciav hlau. Txoj kev tsheb ciav hlau lub taub hau, lub vev xaib, thiab cov qauv ko taw faib cov khoom thauj no mus rau cov neeg pw tsaug zog thiab taug qab lub hauv paus, tiv thaiv kev deformation hauv zos thiab ua kom ntev - lub sij hawm kev ruaj ntseg.
- Kev taw qhia log:Rails tuav txoj kev sib dhos ntawm lub log los ntawm lawv lub taub hau profile. Lub taub hau tsheb ciav hlau thiab lub log flange sib cuam tshuam los coj lub tsheb raws txoj kev ncaj thiab nkhaus, ua kom lub log kom zoo kom txo tau qhov kev pheej hmoo ntawm derailment.
- Hnav thiab Fatigue Resistance:Rails yog tsim los tiv thaiv ntau lab lub voj voog dov. Cov hlau muaj pes tsawg leeg, suav nrog cov ntsiab lus xws li manganese, vanadium, thiab chromium, nrog rau kev kho cua sov, txhim kho hardness thiab toughness. Qhov no tso cai rau cov ntsia hlau los tiv thaiv qhov hnav, dov kev sib cuag qaug zog, thiab tawg lub sijhawm.
- Shock Absorption thiab Vibration Control:Cov tsheb txav ua kom muaj zog thiab kev vibrations. Rails nqus thiab xa cov zog no los ntawm kev pw tsaug zog, fasteners, thiab ballast, faib lub zog sib npaug los tiv thaiv kev puas tsuaj thiab tswj kev caij tsheb.
- Integration nrog Track Systems:Rails thauj tog rau nkoj fastening systems, pads, clips, thiab baseplates. Cov khoom no tuav cov ntsuas ntsuas kom zoo, kev sib tw, thiab kev ruaj ntseg thaum tso cai rau thermal expansion thiab contraction.
Hlau Rail Hom
Hom kev tsheb ciav hlau yog cais los ntawm kilograms ib meter ntawmtxoj kab ntev. Piv txwv li, steel rails siv nyob rau hauv Tuam Tshoj txoj kev tsheb ciav hlau yog 75kg / m, 60kg / m, 50kg / m, 43kg / m thiab 38kg / m.
- Classified los ntawm Daim Ntawv Thov:GNEE RAIL khoom sivcrane rail(Qu 120, QU100, QU80, QU70),hnyav rail(38, 43, 50, 60, 75kg) thiablub teeb rail(9,12,15,22,30kg / m).
| Kev faib tawm | Qhov siab (mm) | Lub taub hau (mm) | Hauv qab (mm) | Thickness (mm) | Qhov hnyav (kg / m) | |
| Lub Teeb Rail | 8 KG / M | 65 | 25 | 54 | 7 | 8.42 |
| 9 KG / M | 63.5 | 32.1 | 63.5 | 5.9 | 8.94 | |
| 12 KG / M | 69.85 | 38.1 | 69.85 | 7.54 | 12.2 | |
| 15 KG / M | 79.37 | 42.86 | 79.37 | 8.33 | 15.2 | |
| 18 KG / M | 80 | 40 | 80 | 10 | 18.06 | |
| 22 KG / M | 93.66 | 50.8 | 93.66 | 10.72 | 22.3 | |
| 24 KG / M | 107 | 51 | 90 | 10.9 | 24.46 | |
| 30 KG / M | 107.95 | 60.33 | 107.95 | 12.3 | 30.1 | |
| Heavy Rail | 38 KG / M | 134 | 68 | 114 | 13 | 38.733 |
| 43 KG / M | 140 | 70 | 114 | 14.5 | 44.653 | |
| 45 KG / M | 145 | 67 | 126 | 14.5 | 45.546 | |
| 50 KG / M | 152 | 70 | 132 | 15.5 | 51.514 | |
| 60 KG / M | 176 | 73 | 150 | 16.5 | 60.64 | |
| Crane Rail | qw 70 | 120 | 70 | 120 | 28 | 52.8 |
| qw 80 | 130 | 80 | 130 | 32 | 63.69 | |
| QU 100 | 150 | 100 | 150 | 38 | 88.96 | |
| qw 120 | 170 | 120 | 170 | 44 | 118.1 | |
- Stee rail nyob rau hauv txawv teb chaws tus qauv:British Standard: BS series (90A, 80A, 75A, 75R, 60A, thiab lwm yam) German tus qauv: DIN series crane ntsia. International Railway Union: UIC series. American Standard: ASCE series. Japanese txuj: JIS series.
| Txuj | Sepc. | Khoom Qib Qib |
| UIC860 | UAS 54 | 700,900A,900B |
| UAS 60 | ||
| EN13674.1 | 5.00E+02 | R200, R350HT, R260Mn, R35LHT, R320Cr, R370CrHT |
| 5.40E+02 | ||
| 6.00E+02 | ||
| 6.00E+03 | ||
| IB 11-1985 | BS80A | 700,900A,900B |
| BS 90 A | ||
| BS100A | ||
| AREMA | 115 RA | SS, HH, LA, IH |
| 136 ROJ | ||
| UAS 60 | ua 71mn | |
| TIAB SA 85 | ua 71mn |
Raws li tus kws tshaj lij rail fastener tsum,GNEE RAILtuaj yeem muab cov qauv hlau sib txawv xws li GB, Asmeskas, BS, UIC, DIN, JIS, Australian thiab South Africa uas siv hauv kev tsheb ciav hlau, cranes thiab thee mining.
