Txhim kho thiab tiv thaiv -kev puas tsuaj Tsim Hnyav-Haul Railway Track Cheebtsam
Dab tsi yog cov ntsiab lus tseem ceeb rau kev tsheb ciav hlau ntawm cov kab hnyav -load?
High load- bearing muaj peev xwm, siab qaug zog tsis kam, siab hnav tsis kam, siab cuam tshuam tsis kam, siab corrosion kuj, thiab siab tuav quab yuam. Lub neej ntev ntawm cov kab ib txwm muaj peev xwm luv luv los ntawm ntau dua 50% nyob rau hauv hnyav -load tej yam kev mob, yog li ntawd, ib tug ua tiav txheej ntawm kev txhawb zog yog qhov tseem ceeb.
Dab tsi yog qhov tseem ceeb ntawm qhov hnyav -load fastener systems?
Caij nplooj ntoos hlav clips: muaj zog dua, ntau dua clamping quab yuam, thiab muaj zog qaug zog tiv thaiv; Bolts: qib siab zog, ntau dua torque, thiab ntev -ntev los tiv thaiv-loosing nyhuv; Pads: siab compressive zog, tsis tshua muaj creep, cuam tshuam tsis kam, thiab ntau- txheej txheej txheem; Iron pads: thickened, widened, siab rigidity, thiab anti-slip qauv.
Vim li cas cov tsheb ciav hlau sib koom ua ke ntawm hnyav - cov kab thauj khoom ntau dua ua rau tsis ua haujlwm?
Lub qag hnyav load multiplies qhov cuam tshuam quab yuam ntawm kev sib koom ua ke; braking thiab pib ua kom muaj zog longitudinal zog; rail qhov khoob thiab misaligned cov hniav tsim cov kauj ruam cuam tshuam; zoo tib yam fishplates thiab bolts yog nquag shearing, breakage, thiab loosening.
Cov kev ntsuas twg tuaj yeem ua tau los txuas ntxiv lub neej ntawm cov khoom hnyav -load kab?
Siab -lub zog pearlitic steel rails thiab hardened steel rails raug xaiv; cov phaj hlau txhawb nqa, siab- lub zog bolts, thiab tiv thaiv -loosing qauv raug saws; fastener clamping siab thiab tuav quab yuam yog txhim kho; siab-load-cov kabmob, cuam tshuam- cov ntaub thaiv kev tsheb ciav hlau raug siv; Kev saib xyuas lub voj voog luv luv, thiab kev tiv thaiv kev hloov pauv tau siv.
Vim li cas "system matching" tseem ceeb rau hnyav -kab kab?
Txhim kho ib qho kev tiv thaiv yam tsis tau hloov kho dua lwm tus yuav ua rau "qhov cuam tshuam tsis muaj zog tshaj plaws": kev sib tw muaj zog → nce kev ntxhov siab ntawm fasteners → fastener tsis ua ntej; muaj zog fasteners → nce kev nyuaj siab ntawm sleepers → sleeper breakage. Rails, fasteners, rail pads, thiab sleepers yuav tsum tau ntxiv dag zog synchronously tag nrho.