Dab tsi yog qhov txawv ntawm Rail Pads?
Rail padstuaj yeem tiv thaiv kev tsheb ciav hlau pw tsaug zog abrasion thiab crushing ntawm lub sleeper nyob rau hauv lub tsheb ciav hlau ko taw. Roj hmab rail pads feem ntau yog tsim los rau ib qho kev teev tseg - tus yam ntxwv deflection. Thawj qhov tawv tawv ntawm lub tsheb ciav hlau yog tsim los kom qis kom lawv cov deformations nyob rau hauv cov ntiv taw ntiv taw hnyav heev. Qhov no ua kom ntseeg tau tias cov tsheb ciav hlau tseem nyob hauv kev sib raug zoo nrog cov tsheb ciav hlau txawm tias muaj kev txav ntsug ntawm qhov kawg. Thaum lub log dhau ntawm lub ncoo, lub tsheb ciav hlau qhov nruj yuav tsum siab kom tiv thaiv kev txav loj uas tuaj yeem ua rau lub caij nplooj ntoos hlav hlau ua kom xoob. Xws li ib tug load- tus yam ntxwv deflection tuaj yeem tau los ntawm kev qhia cov grooves hauv cov roj hmab rail pads. Roj hmab ncoo los yog grooved roj hmab rail ncoo yog tsim los ntawm roj hmab los yog yas kom dampen lub shocks ntawm vibrations ntawm lub tsheb ciav hlau hla.
Kev faib tawm los ntawm Cov Khoom Siv: Thermoplastics vs. Elastomers
Qhov tseem ceeb tshaj qhov txawv yog nyob rau hauv cov khoom muaj pes tsawg leeg, uas dictates lub ncoo qhov kev ua tau zoo.
- Thawj qeb tseem ceeb suav nrog Cov Ntawv Thermoplastic, feem ntau ua los ntawm HDPE (High-Density Polyethylene) lossis EVA. Cov hom Railroad Pads yog tus cwj pwm los ntawm lawv qhov siab nruj thiab ua haujlwm ntev. Lawv ua haujlwm feem ntau yog nruj, hnav- tiv thaiv kev sib txuas los tiv thaiv tus neeg pw tsaug zog los ntawm kev puas tsuaj, ua rau lawv zoo tagnrho rau cov kab thauj khoom hnyav uas ntsuas qhov ntsuas qhov tseem ceeb tshaj kev co damping.
| HDPE Rail Pad | |||
| Technical Parameter | Chav tsev | Kev Xav Tau | Tus nqi |
| Qhov ntom | g/cm3 | 0.95-0.98 | 0.95 |
| Tensile zog | Mpa | Ntau dua lossis sib npaug li 19 | 19 |
| Elongation | % | >80 | 150 |
| Melting Point | degree | 170-190 | 190 |
| Rwb thaiv tsev Resistance | Ω | Loj dua los yog sib npaug rau 1 × 1010 | 3.5 ×1010 |
| Hardness | A | Ntau dua lossis sib npaug li 98 | 98(A) |
| EVA: Polyethylene 80%, Vinyl Acetate 20%. | |||
| Technical Parameter | Chav tsev | Kev Xav Tau | Tus nqi |
| Qhov ntom | g/cm3 | 0.95-0.98 | 0.95 |
| Tensile zog | Mpa | Ntau dua lossis sib npaug li 15 | 16 |
| Elongation | % | >500 | 550 |
| Melting Point | degree | 170-190 | 170 |
| Rwb thaiv tsev Resistance | Ω | Loj dua los yog sib npaug rau 1 × 1010 | 5.0 ×1010 |
| Hardness | A | Ntau dua lossis sib npaug li 90 | 92(A) |
- Cov qeb thib ob muaj Elastomers, lossis Rail Rubber Pads. Ua los ntawm cov roj hmab ntuj lossis hluavtaws, cov Rail Elastic Pads feem ntau muaj cov grooved lossis studded nto. Lawv lub luag haujlwm tseem ceeb yog muab qhov tseem ceeb ntsug deflection, nqus siab - zaus vibrations tseem ceeb rau cov neeg caij tsheb kev nplij siab ntawm High-Speed Rail networks.
| Rubber Rail Pad | ||
| Technical Parameter | Chav tsev | Tus nqi |
| Kev nruj | KN | 90-130 |
| Hardness Ntug A | degree | 72-80 degree |
| Electronic Resistance | Ω | Ntau dua lossis sib npaug rau 106 |
| Tensile zog ua ntej kev laus | Mpa | Ntau dua lossis sib npaug li 12.5 |
| Elongation ua ntej kev laus | % | Ntau dua lossis sib npaug li 250 |
Kev faib tawm los ntawm Qhov Chaw: Hauv Rail vs. Nyob rau hauv Sleeper
Kev lig kev cai, lo lus "rail ncoo" xa mus rau cov khoom sib xyaw ua ke ntawm cov hlau rail thiab cov neeg pw tsaug zog. Txawm li cas los xij, niaj hnub engineering tau qhia txog kev ua si - hloov pauv hloov pauv hu uaHauv qab Sleeper Pad(USP). Tsis zoo li tus qauv Track Pad, USP txuas nrog rau hauv qab ntawm lub pob zeb pw tsaug zog, so ncaj qha rau ntawm lub ballast. Hom tshiab no ua rau thaj chaw sib cuag nrog cov pob zeb ballast thiab muab cov txheej txheem thib ob ntawm kev co attenuation. Advanced railway tej yaam num tam sim no nquag qhia ob qho tib si siab - zoo rail pads thiab USPs los tsim ib tug dual - elasticity system rau siab tshaj plaws suab nrov txo thiab taug qab stability.
GNEE RAIL: Koj Qhov Chaw rau Txhua Hom
Kev taw qhia ntau yam ntawm cov ntaub qhwv thiab lawv cov qauv tshwj xeeb tuaj yeem yog qhov nyuaj. GNEE RAIL ua kom yooj yim qhov no los ntawm kev muab cov khoom lag luam ua tiav. Peb tsim txhua yam los ntawm tus nqi-hloov HDPE pads rau kev lag luam sab hauv kom siab -kev ua tau zoo, siab-damping Rubber Track Pads rau hauv nroog tsheb thauj mus los, ua raws li cov qauv thoob ntiaj teb xws li UIC thiab AREMA.
Txawm hais tias koj qhov kev qhia tshwj xeeb hu rau lub ncoo nruj los tuav lub qag hnyav los yog lub ntsej muag muag, ua haujlwm zoo rau lub suab nrov- ntu txuas txuas, GNEE RAIL muaj peev xwm los kho cov kev daws teeb meem.Tiv tauj peb pab neegniaj hnub no los tshawb txog peb cov ntau yam ntawm kev tsheb ciav hlau pad hom thiab nrhiav qhov zoo tshaj plaws match rau koj infrastructure.