1. Qhov txawv ntawm European (UIC) thiab Suav (TB / T) elastic fasteners yog dab tsi?
UIC fasteners (piv txwv li, Vossloh SKL) siv "ob-clip" tsim kom muaj kev sib npaug, nrog cov suab nrov nruj (tsawg dua lossis sib npaug li 75dB). Suav TB/T fasteners (piv txwv li, Hom III) feem ntau siv ib zaug, stiffer clip los tuav lub qag siab dua (30 tons vs. UIC's 25 tons). UIC muab qhov tseem ceeb ntawm kev hloov kho (shims rau qhov siab) rau kev sib hais haum ballast, thaum TB / T tsom rau kev sib koom ua ke ntawm precast qhob pw tsaug zog (taw qhov siab). Ob leeg ua tau raws li cov qauv kev qaug zog tab sis cuam tshuam txog qhov tseem ceeb: UIC rau kev nplij siab ntawm cov neeg caij tsheb, TB/T rau kev thauj khoom sib xyaw- siv neeg caij tsheb.
2. Yuav ua li cas fastening systems nrog tus kheej -locking nta tiv thaiv loosening ntawm kev co?
Tus kheej- kaw tshuab siv: deformed threads (cov txiv ntseej nrog cov ntu ntus) uas tuav bolts; nylon- ntxig cov txiv ntseej uas tsim kev sib txhuam; los yog caij nplooj ntoos hlav-loaded clips uas tuav nro. Nyob rau hauv elastic clips, ib tug "detent" (me me projection) xauv lawv rau hauv lub hauv paus daim hlau, tiv thaiv upward zog. Cov yam ntxwv no tshem tawm qhov kev xav tau rov- zawm, txo kev txij nkawm. Lawv yog ib qho tseem ceeb nyob rau hauv siab - thaj chaw vibration (piv txwv li, freight yards, txuas hniav), uas txheem bolts loosen sai. Kev ntsuam xyuas qhia tau tias tus kheej- kaw lub kaw lus khaws 90% ntawm torque tom qab 1 lab vibration cycles, vs. 60% rau cov txiv ntseej txheem.
3. Cov txheej txheem fastening cuam tshuam li cas nrog cov daus thiab dej khov hauv cov huab cua txias?
Txias-cov huab cua huab cua siv cov dej khov- cov ntaub ntawv tiv taus (xws li, 4140 alloy steel) uas tsis txhob nkig ntawm -40℃. De-icing ntsev kuj los ntawm kub-dip galvanization (85μm) los yog stainless hlau. Snowplow-cov qauv tsim tau zoo (tsawg-profile clips) zam kev puas tsuaj los ntawm cov hniav plooj, thaum cov phaj rhuab (tsim hluav taws xob) tiv thaiv cov dej khov hauv qhov chaw tseem ceeb (xws li cov keyboards). Greases nrog cov ntsiab lus qis qis (-30 degree) khaws cov xov ua haujlwm, ua kom cov bolts tuaj yeem nruj / tshem tawm thaum lub caij ntuj no. Cov kev hloov pauv no txo qis lub caij ntuj no ua tsis tiav los ntawm 50% hauv cheeb tsam Arctic ..
4. Dab tsi yog qhov kev ntsuas kev ua haujlwm tseem ceeb rau kev tsheb ciav hlau ceev (piv txwv li, qaug zog lub neej, kev tuav nruj)?
Cov kev ntsuas tseem ceeb muaj xws li: lub neej qaug zog (Ntau dua lossis sib npaug rau 10 lab lub voj voog ntawm 25kN nro), kev ceev nro (Ntau dua lossis sib npaug li 80% tom qab 5 xyoos), kev tiv thaiv corrosion (tsawg dua lossis sib npaug li 5% poob hauv ntsev tsuag), thiab rwb thaiv tsev tsis kam (Ntau dua lossis sib npaug ntawm 500MΩ). Rau siab -cov tshuab ceev, kev co damping (tsawg dua lossis sib npaug ntawm 0.5g acceleration) thiab ntsuas tuav (± 1mm) yog qhov tseem ceeb. Hnyav-haul systems tseem ceeb tshaj qhov cuam tshuam (Ntau dua lossis sib npaug rau 50J yam tsis ua haujlwm). Cov kev ntsuas no raug sim rau ib tus qauv (piv txwv li, UIC 860-4), nrog rau kev hla / tsis ua haujlwm kom ntseeg tau tias muaj kev ntseeg siab thoob plaws hauv daim ntawv thov.
5. Modular fastening systems tau txais txiaj ntsig zoo li cas ntawm kev tsheb ciav hlau thiab kev txhim kho?
Modular systems (interchangeable clips, base plates, pads) tso cai rau kev sib xyaw / sib xyaw cov khoom, ua kom yooj yim kho. Piv txwv li, hnav cov clips tuaj yeem hloov pauv yam tsis hloov cov paib hauv qab, txo cov nqi. Lawv haum rau kev hloov kho dua tshiab (xws li, ntxiv cov rwb thaiv tsev) los ntawm kev sib pauv hauv qhov sib xws. Standardized interfaces (piv txwv li, UIC-raws li lub hauv paus daim hlau) ua hauj lwm nrog ntau yam rail/sleeper hom, easing hloov. Modularity ceev kev saib xyuas- cov neeg ua haujlwm xav tau cov cuab yeej tsawg dua-thiab txo cov khoom muag (tsawg dua qhov tshwj xeeb). Qhov kev hloov pauv no muaj txiaj ntsig hauv cov tes hauj lwm nrog cov kev sib xyaw ua ke (piv txwv li, mainline + ceg kab).