1. Qhov sib xyaw ntawm txoj kev xav tau los ntawm Kev Txhim Kho Txoj Cai
Cov neeg caij tsheb sib xyaw-freight corridor yog ib qho kev khiav haujlwm los ntawm ob qho tib si siab - cov tsheb ciav hlau ceev lossis ceev ceev (feem ntau 160-}250 km / h ntawm cov kev sib tw uas twb muaj lawm) thiab cov tsheb ciav hlau thauj khoom nrog axle loads ntawm 25-30 t. Ob hom kev pabcuam thawb lub fastening system nyob rau hauv opposite lus qhia. Cov neeg caij tsheb thauj khoom tau txais txiaj ntsig zoo ntawm cov tsheb ciav hlau tsis tshua muaj zog rau kev caij tsheb thiab txo cov khoom siv thauj khoom, thaum lub tsheb thauj mus los xav tau lub zog clamping siab thiab kev txhawb nqa nruj los tswj kev tsheb ciav hlau lub taub hau, ntsuas qhov dav thiab qhov chaw pw tsaug zog. Yog li ntawd, lub fastening system yuav tsum tau tsim raws li ib tug kev sib haum xeeb, tsis yog luam los ntawm ib tug ntshiab neeg nrog caij los yog ib tug ntshiab hnyav-haul catalogue.
Cov kev qhia tseem ceeb rau kev sib xyaw ua ke - txoj hauv kev fastening yog: ntiv taw load (qhov quab yuam lub clip siv rau txoj kev tsheb ciav hlau), ntiv taw tuav tom qab dynamic load, longitudinal thiab lateral restraint, ntsug nruj ntawm lub ncoo, thiab lub hauv paus phaj load- kis tau tus mob. Hauv Suav xyaum cov tshuab no tau teev tseg thiab txheeb xyuas tawm tsam TB/T 3395 rau siab - nrawm nrawm sib dhos thiab lwm yam GB / T steel specifications, thaum export tej yaam num feem ntau siv EN 13481 series kev ua tau zoo cov chav kawm rau fastening systems ntawm European tes hauj lwm.
2. Technical Parameters uas txiav txim siab qhov kev sib haum xeeb
Clip ntiv taw load yog thawj qhov kev kho. Tus neeg caij tsheb - taw qhia elastic clip feem ntau muab 7-9 kN ntiv taw thauj khoom rau ib lub rooj zaum, uas muab kev caij tsheb tau zoo tab sis marginal tsis kam rau 30 t qag freight. Ib qho hnyav-haul clip muab kwv yees li 10-13 kN, uas tswj cov tsheb ciav hlau yob thiab ntsuas qhov dav tab sis ua rau kom muaj zog nruj thiab tuaj yeem ua kom cov tsheb ciav hlau hnyav yog tias ua ke nrog cov ntaub qhwv tawv. Rau kev sib xyaw ntawm txoj kev hauv tsev, ib qho clip hauv 9-11 kN ntau yam nrog kev tswj xyuas kom zoo yog qhov pib ua tau zoo, txheeb xyuas los ntawm ntiv taw load gauges ua ntej kev teeb tsa thiab los ntawm torque retention checks hauv kev pabcuam.
| Parameter | Neeg nrog caij -kev taw qhia | Freight-kev taw qhia kev teeb tsa | Mixed - txoj kev pom zoo |
|---|---|---|---|
| Clip ntiv taw load | 7-9 kN | 10-13 KN | 9-11 kN nrog nruj kam rau ua |
| Rail ncoo static stiffness | 60-90 kN / hli (softer) | 120-180 kN / hli | 90-120 kN / mm, ob qib nruj khaws cia hauv Tshuag |
| Base phaj load cheeb tsam | Txheem dav | Phaj dav, 150-200 mm | Dav puag phaj rau cap sleeper tiv tauj siab |
| Torque ntawm fastening bolt | 150-250 N·m | 250-350 N·m | Teem ib hom clip; rov- xyuas tom qab thawj 30 hnub ntawm kev khiav tsheb |
| Pad thickness ntau | 5-10 hli | 10-12 hli | Interchangeable 8-12 hli pads rau kho geometry |
3. Daim ntawv thov Scenarios thiab Geometry Kho
Kev sib xyaw- txoj hauv kev sib txuas tau pom nyob rau ntawm cov neeg caij tsheb sib txuas uas thauj cov khoom thauj thaum hmo ntuj, hnyav- txoj kev taug kev nrog cov tsheb ciav hlau teem caij, thiab cov chaw hauv nroog suburban uas thauj khoom thauj thaum hmo ntuj tso cai. Pad thickness dhau los ua cov cuab yeej ua haujlwm hauv cov cheeb tsam no. A 10-20 hli ncoo pawg muab cov neeg ua haujlwm ntsug kho kom haum rau qib rails dhau qhov tsis sib xws ntawm cov rooj zaum pw tsaug zog; ib lub 5-10 hli ncoo muab kev thauj khoom zoo dua ntawm kev ruaj khov. Cov txheej txheem uas lees txais cov ntaub ntawv sib hloov tau tso cai rau tib lub hauv paus phaj thiab clip siv los ntawm ob hom kev pabcuam, uas yooj yim rau kev yuav khoom thiab khaws cov khoom seem qis rau tus neeg teb xov tooj.
Cov ntu nkhaus tsim nyog tau txais kev saib xyuas ntxiv: nrog kev sib xyaw ua ke, cov tsheb ciav hlau sab nrauv pom lub zog siab tshaj plaws los ntawm kev thauj khoom thiab kev caij tsheb nruj tshaj plaws - qhov yuav tsum tau ua zoo los ntawm cov neeg caij tsheb. Widened puag daim hlau thiab raug taw qhia clips txo rail yob thiab tuav gauge nyob rau hauv lub tighter tolerances uas neeg caij tsheb ua hauj lwm yuav tsum tau, feem ntau ob peb millimeters tshaj lub ntsuas ntsuas ntawm lub khiav band.
4. Kev xaiv thiab kev teeb tsa cov ntsiab lus rau kev tsim khoom engineers
Txhais qhov phem tshaj -case qag load thiab ceev tshaj neeg nrog caij ua ntej xaiv clip class; yeej tsis loj qhov system ntawm lub tsheb ciav hlau nruab nrab.
Thov cov ntiv taw thauj khoom thiab daim ntawv pov thawj nruj rau ib pob; ob qhov tseem ceeb no, tsis yog qhov kev tsim pom, txiav txim siab seb lub kaw lus puas haum rau txoj hauv kev.
Nruab nrog calibrated torque wrenches (calibration ib ISO 6789, sib txawv nyob rau hauv ± 3%) thiab re- zawm lub fastening bolts tom qab thawj ob peb lub lis piam ntawm kev khiav tsheb, thaum xub thawj zaum poob tshwm sim.
Qhia kom kub-dip galvanized lossis zinc-nickel coated Cheebtsam hauv cov ntug dej hiav txwv thiab qhov av; pad elastomer yuav tsum yog ozone- tiv taus rau qhov av nrog cov av noo siab.
Khaws ob lub ncoo txhav qib thiab cov cuab yeej clip zaum hauv qhov chaw tu; Kev hloov pauv ntawm lub ncoo stiffer "ib ntus" yog qhov ua rau muaj kev puas tsuaj rau lub taub hau.
5. Kev xav tsis zoo
"Ib txoj hlua khi haum rau txhua txoj hauv kev."cuav. Lub kaw lus tsim los rau 25-30 t axle freight nrog lub ncoo txhav yuav qaug zog neeg caij tsheb ciav hlau fasteners thiab ua rau kev caij tsheb tsis zoo; ib tug mos mos neeg nrog caij yuav tsis tuav gauge nyob rau hauv hnyav qag loads. Kev sib xyaw tsim qauv yog txhob txwm sib tham nrog cov ntaub ntawv tsis raug.
"Ib lub tsheb ciav hlau tuab yog ib txwm zoo dua."cuav. Thick pads ntxiv ntsug adjustability tab sis qis lateral stability thiab muaj peev xwm nce yob nyob rau hauv freight tsheb. Thickness yuav tsum tau sib phim rau kev pw tsaug zog, tsis yog xaiv los daws cov teeb meem tsis sib xws.
"Hloov clip ntiv taw load yog ib txwm txhim kho."cuav. Saum tus nqi tsim, ntiv taw load nce dynamic rigidity, tsub kom rail lub taub hau coj thiab yuav ua rau ntxov ntxov clip nkees. Cov clip yuav tsum ua haujlwm hauv nws qhov ntsuas qhov rai.
"Torque ntawm lub fastening bolt sib npaug clip ntiv taw load."cuav. Torque tsav lub clip mus rau nws txoj haujlwm ntsia; ntiv taw load yog ib qho kev ntsuas cais los ntawm kev ua siab ntev, ncoo compression thiab rail ko taw thickness. Ob leeg yuav tsum tau kuaj xyuas ntawm lub installation.
"Kev tiv thaiv corrosion tuaj yeem ntxiv tom qab."cuav. Retrofitting galvanizing los yog hloov cov fasteners ntawm ib qho kev khiav hauj lwm sib xyaw corridor txhais tau hais tias ntev lub qhov rais thiab rov torque cuam tshuam. Qhia txog kev tiv thaiv ntawm theem tsim.
FAQ
Q1: Cov ntiv taw thauj khoom twg yog qhov zoo rau cov neeg caij tsheb sib xyaw-freight fastening clip?
Hauv kev xyaum 9-11 kN ib lub rooj tsav tsheb npog feem ntau ntawm txoj kev nrog cov neeg caij tsheb ceev txog 250 km / h thiab freight qag loads txog 30 t. Paub meej tias tus nqi nrog cov chaw tsim khoom tawm tsam koj qhov tshwj xeeb qag load thiab ceev, vim hais tias cov clip's ntiv taw load band yuav tsum tau validated los ntawm kev xeem rau cov rail seem koj siv.
Q2: Kuv yuav tsum txiav txim siab li cas rau txoj kev tsheb ciav hlau sib xyaw?
Pib nrog 90-120 kN / mm static stiffness ntau thiab khaws cov qib softer rau cov seem uas tsis zoo pw tsaug zog los yog qhov chaw tsis txaus siab ntawm kev caij tsheb. Txiav ob qib nyob rau hauv tib lub hneev taw kom lawv sib hloov tau yam tsis hloov daim phiaj.
Q3: Vim li cas lub ntsia liaj qhov rooj yuav tsum tau rov qab- nruj tom qab thawj lub lis piam ntawm kev khiav tsheb?
Cov ntaub qhwv tshiab thiab cov coatings nyob rau hauv thawj lub lis piam ntawm kev thauj khoom, uas txo cov preload thiab clip ntiv taw load. Ib re-tightening pass ntawm kwv yees li 30 hnub, ntawm qhov ntsuas torque nrog lub ntsuas ntsuas ntsuas, rov qab kho cov qauv tsim thiab tiv thaiv kev xoob thaum ntxov.
Q4: Puas yog tib lub hauv paus phaj siv tau rau ntawm qhov nkhaus thiab ncaj?
Yog rau feem ntau txoj kev sib xyaw ua ke, muab cov clip muab kev ruaj ntseg rau sab nraud thiab lub ncoo tau raug zaum. Ntawm qhov nkhaus nkhaus hauv qab kwv yees li 300 m vojvoog, kev tiv thaiv kev tsheb ciav hlau ntxiv los yog qib qib stiffer ntawm cov tsheb ciav hlau sab nrauv yuav tsim nyog.
Q5: Yuav ua li cas pad thickness cuam tshuam nrog kev kho geometry?
Thicker pads (10-20 mm) muab ntau ntsug adjustability rau leveling dua uneven sleepers, thaum thinner pads (5-10 mm) faib load zoo dua nyob rau hauv ruaj khov. Interchangeable pad thicknesses nyob rau hauv ib qho system cia crews kho geometry yam tsis hloov clips los yog puag daim hlau.
Q6: Kev tiv thaiv corrosion zoo li cas rau kev sib xyaw ntawm txoj kev nyob ze ntawm ntug dej hiav txwv?
Kub-dip galvanized fastening Cheebtsam nrog zinc txheej tsawg kawg yog 50-85 µm ib GB/T 13912, los yog zinc-nickel coated bolts nyob rau hauv feem ntau nthuav txoj hauj lwm, ua ke nrog ozone-resistant elastomer pads. Stainless Cheebtsam yog tshwj tseg rau qhov tseem ceeb bolts qhov twg galvanizing tsis tuaj yeem khaws cia.