Kheej spyerical rho tawm cov kabmob bearings rau kev siv highpay inway (SSIB)

1.1, txhais tau
A kheej kheej bearing yog ib qho cuab yeej cuab yeej (siab thauj mult - kev sib hloov ntawm cov neeg sib hloov thaum muaj ntau yam kev sib hloov thiab, hauv qee qhov kev tsim qauv, kev sib txuas lus, kev sib txuas lus ntau. Cov kabmob muaj cov sib piv sib txawv ntawm lub ntsej muag sib dhos nrog lub ntsej muag convex
Nyob rau hauv Choj engineering, kheej kheej bearings yog ua haujlwm rau:
{{0 {0} Hloov cov load loads, cov tub kab rov tav, thiab kev hloov chaw ntev dua li ib qho kev tsim qauv.
{{0- Tso cai rau kev sib hloov los ntawm kev tsheb thauj khoom, cua sov thiab kev sib cav, nkag mus, thiab shrinkage ntawm tus choj tus qauv.
-}} Muab cov ntaub ntawv sib txhuam siab dhau los ntawm kev sib txhuam tsis muaj peev xwm nrog kev sib txhuam tsawg (piv txwv li}
Cov kabmob no feem ntau yog tsim ua raws li cov qauv hauv tebchaws thiab thoob ntiaj teb xws li GB / T 1737-

1.2, cov nyom
Cov lus qhia no txhais cov kev qhia tshwj xeeb, tsim qauv, tsim chaw tsim khoom, kev tsim khoom, kuaj xyuas, thiab txij nkawm rauKev sib faib cov seismic sib cais (ssib)npaj rau cov ntawv thov Choj, ua raws li cov cim Suav thiab International.
1.3, muaj cov qauv tsim nyog:
Thaj av|Txheem code|Npe|Tau luag
Suav Teb|GB / T 17955-2009 |Cov kheej bearingsRau choj|Tsim, kev tsim khoom, thiab kev soj ntsuam rau cov neeg soj xyuas cov spherical bearings.
Suav Teb|GB / T 32836-2016 |Spherical Bearings Rau Cov Qauv Steel| Cov kev xav tau ntxiv rau cov ntawv thov cov hlau.
Suav Teb|JTG / T 2231-01-2020|Cov lus qhia tshwj xeeb rau Kev Loj Choj Bearings|Kev ua tau zoo thiab ua tau zoo rau kev loj choj bearings.
Teb chaws Europe|En 1337-7 |Cov Txheej Txheem Bearings- Tshooj 7: Cov Poj Niam Cov Kheej|Cov khoom siv, geometry, txhuam, thiab cov cai xeem.
Teb chaws Europe|EN 15129: 2018 |Anti - seismic devices| Seismic sib cais tsim rau cov ntawv thov kev sib sau ua ke.
USA|Aashto lrfd Choj Tsim Kev Tsim Kho (2023) Tshooj 14|Bearings thiab nthuav tawm cov khoom siv|Tsim qauv raucov kheej bearings.
UK|BS 5400 PART 9 |Choj bearings| Kev tsim qauv thiab kev teeb tsa yuav tsum tau ua.

2.1, muaj nuj nqi:
Kev Puas Nco Kev Lag Luam BearingsMuab kev sib cav sib ceg ntawm tus choj superstructure thiab kev ua haujlwm thaum tso cai tswj swb rau dissipate seismic lub zog.

2.2, lub ntsiab tseem ceeb:

• 1. Sab saud concave phaj - high - Lub zog carbon stamp (Q345 lossis ASTM A70) nrog kev ntsuas {{5} tshuab concave concave.
• 2. Spherical Zawv Zawg El - Stainless Hlau (AISI 304/316) nrog daim ntawv cog lus PTFE lossis UHMWPE txheej.
• 3. Qis convex phaj - ntais ntawv curvature, transfers ntsug load.
• 4. Kev txwv cov txheej txheem - Cov Lus Qhia Xaiv tau los yog tus txwv tsis pub coj los tswj.
• 5. Seismic Zog Dissipation lub caij - Yeem siab Damping txheej.

2.3, hom thiab kev faib tawm
Raws li cov kev cai sib txawv, cov kheej kheej tuaj yeem faib ua cov hauv qab no:

• 1,Bearings Tais Bearings
• Cov Spherical tsau bearings tsis pub kab rov tav tab sis tuaj yeem tig dawb. Lawv haum rau cov txheej txheem qhov uas yuav tsum tau txwv txoj kab rov tav kev txav thaum sib hloov.
• 2,Unidirectional Zawv zawg Spherical Bearings
• Unidirectional zawv zawg kheej spherical bearings cia swb rau ib tug. Lawv muaj feem xyuam rau cov qauv nrog tshwj xeeb cov kev cai hloov kho, xws li kev hloov kho ntawm cov chaw nyob ntev hauv qee tus choj.
• 3, Multidirection Sliding Spherical Bearings
• Multidirection Sliding Spherical Bearings tuaj yeem swb hauv txhua qhov kev qhia rov qab. Lawv tsim nyog rau av qeeg - huab cua lossis ntev {{} span choj.
• 4, Seismic kheej kheej bearings
• Seismic kheej kheej cov kabmob feem ntau yog nruab nrog cov khoom siv damy, uas tuaj yeem muab lub zog tsis txaus no thiab txhim kho qhov kev ua phem ntawm cov qauv.

2.4, daim ntawv thov ntawmCov kheej bearings
Vim lawv cov kev ua tau zoo, spherical bearings tau siv dav hauv cov teb hauv qab no:

• 1, ntev - spur choj
• Nyob rau hauv ntev - span parges xws li cable {}}} Tus choj, thiab txuas hniav me me los ntawm kev hloov pauv kub, thiab cov choj tsheb, lossis cov cua thauj khoom.
• 2, Siab {-} Rose tsev
• High -}} Cov tuam tsev nce yuav yauv nyob hauv qab cua thauj khoom lossis seismic ua. Spherical bearings tuaj yeem txo cov qauv kev ntxhov siab thiab txhim kho qhov ruaj khov thiab kev nyab xeeb ntawm cov tsev.
• 3, chaw ntau pob thiab loj -}} kev teeb tsa qhov chaw
• Nyob rau hauv loj -} Cov qauv kev ncaws pob thiab cov chaw ua haujlwm, kheej kheej tau hloov kho kom haum rau cov qauv ruaj khov thiab muaj txiaj ntsig ntawm cov qauv.
• 4, lub zog hluav taws xob nuclear thiab cov khoom tseem ceeb
• Hauv qhov tseem ceeb hauv tsev loj xws li cov nroj tsuag hluav taws xob nuclear thiab cov pas dej loj, cov seismic tiv thaiv thiab cov seismic tiv taus kom ntseeg tau kev nyab xeeb.

2.5, Qhov zoo thiab cov kev sib tw ntawm Spherical Bearings
1, qhov zoo:
• High load - bearing muaj peev xwm: tuaj yeem tiv thaiv loads ntawm ntau txhiab tons.
• Multidirectional Displacement adapcement adjectability: muaj peev xwm hloov mus rau ob qho kev sib hloov thiab kab rov tav chaw tsis sib haum.
• Muaj zog durability: ua los ntawm high - kev ua tau zoo cov ntaub ntawv, ua kom muaj kev pabcuam ntev ntev.
• Cov seismic zoo heev: siv dav hauv av qeeg - muaj cheeb tsam.

2, cov nyom:
• Yuav tsum muaj cov kev tsim kom muaj kev tsim qauv: high {- precision cov txheej txheem ua thiab txuam nrog cov khoom zawv zawv zawg.
• Cov nqi txij nkawm: Zawv zawg cov ntaub ntawv lossis cov cuab yeej sib khi yuav tau hloov tom qab ntev - siv.
• Cov qauv tsim qauv: Cov qauv tsim qauv yog yuav tsum tau raws li kev xav tau kev lag luam engineering.

3.1 kev qhia txuj ci tshwj xeeb
Cov Qauv Tsim (Ntau Lawm ntau yam khoom):
Ntsug Load Muaj Peev Xwm: 1,000 - 50,000 KN
Kab rov tav kev tsis muaj peev xwm: ± 50 rau ± 25 hli
Muaj Peev Xwm Muaj Peev Xwm: Ntau dua lossis sib npaug rau 0.03 rad (~ 1.7 degree)
Kev sib txhuam coefficient (μ): 0.03 - 0.06 (zoo li qub), 0.02 - 0.05 (cov)
Damping piv (HDR hom): 8 - 25%
Kev pabcuam kub ntau yam: -40℃rau +60℃(txog +70℃Tshwj xeeb)
Kev Pab Lub Neej: Loj dua lossis sib npaug nrog 50 xyoo
Seismic kev ua tau: ntau dua lossis sib npaug rau 0.3g tsim nrawm

3.2, patent
 

Feem|Khoom siv|Lub hom phiaj
Cov phiaj hlau|Q345, Q420, ASTM A709|GB / T 1591, ASTM A709
Kheej kheej sliding caij|Stainless hlau AISI 304/316|ASTM A240
Zawv zawg nto|Nkauj xwb PTFE, UHMWPE|ASTM D4894
Kua npluas|Silicone - Raws|Chaw tsim tshuaj paus spec
Anchorage Bolts|Qeb 8.8 / ASTM A325|GB / T 5782, ASTM A325

Nto Roughness (Zawv zawg nto): RA tsawg dua lossis sib npaug rau 0.2 μm
Flatness kam kam: tsawg dua los yog sib npaug rau 0.5 hli ib 1,000 hli
Hardness (Zawv zawg phaj): ntau dua lossis sib npaug rau HB 220
PTFE Bond Lub zog: loj dua los yog sib npaug rau 3 MPa Shear
Txhua Bearings yog 100% Hoobkas {{{1} {{{{{2} Cov coeffation, txhuam coefficient nyob rau hauv kev tsim qauv, thiab pom qhov tsis xws luag.

6.1 Cov Kev Xav Tau General
Tag nrho cov kev rho tawm cov seism cov seism yuav raug xeem, kev xeem ua ntu zus, thiab kev xeem txais raws li cov qauv kev cai lij choj raws li Suav thiab thoob ntiaj teb.
6.2 Kev Ntsuas Cov Lus
Hom kev xeem - ua pov thawj tsim kev ua raws cai (ib zaug tsim qauv tshiab)
Cov kev sim ua niaj hnub - Tshawb xyuas ntau lawm (txhua pob)
Kev Ntsuam Xyuas Kev Ntsuam Xyuas - Cov Khoom Kawg Pom Zoo Tshaj Tawm Ua Ntej Ua Ntej (100% bearings)
6.3 Kev Ntsuam Xyuas Tshwj Xeeb thiab Cov Cai Xav Tau
Ntsug lo chaw ntsuam xyuas - Residual deformation tsawg dua los yog sib npaug rau 0.3 hli, tsis muaj qhov pom kev puas tsuaj.
Kab rov tav kev ntsuas chaw - sib txhuam coefficiiition μ tsawg dua lossis sib npaug ntawm 50 mus.
Kev Tshawb Fawb Muaj Peev Xwm Muaj Peev Xwm Kev Ntxaug Tshaj Plaws ntawm ntau dua lossis sib npaug rau 0.0.05 rad sib hloov.
Hnav thiab qaug zog sim - tsawg dua los yog sib npaug rau 1% PTFE thickness poob tom qab voj voog.
Seismic simulation kev ntsuas - damping piv rau hauv ± 2% ntawm kev tsim qauv, kev tsis tuaj yeem tsis pub dhau ntawm kev tshem tawm.
Kev ntsuas kub - kev sib txhuam tsawg dua lossis sib npaug ntawm ± 15% los ntawm chav sov.
Corrosion Kuj Xeem Tawm - tsis muaj txheej tsis ua haujlwm tom qab 500 leej tshuaj ntsev.
6.4 Lub Hoobkas Tswjhwm Zoo
Cov Khoom Siv Khoom Siv Khoom Siv Khoom Siv Khoom Siv Khoom Siv Khoom Siv - Ultrasonic Steel tshev, PTFE ntom thiab lub zog.
Nyob rau hauv -} txheej txheem QC - phaj machining thev taus ± 0.2 mm, weld kuaj.
Kev tshuaj xyuas zaum kawg - qhov chaw kuaj xyuas, kos cim pov thawj.
6.5 Cov ntaub ntawv thiab kev sib tw
Tswj cov ntawv pov thawj ua haujlwm, kev tswj hwm cov ntaub ntawv ntau lawm, thiab cov ntawv pov thawj ntawm kev sib raug zoo.
6.6 Txais Cov Ntsiab Lus Siv
Ntsug deformation tsawg dua los yog sib npaug rau 0.3 hli, sib txhuam tsawg dua los yog sib npaug rau 1%, sib hloov ntau dua lossis sib npaug rau 0.03 rad.
6.7, Ntaus ntawv thiab ntawv qhia.

6.7.1, kuaj cov khoom
 

6.7.2, Kev Ntsuas Cov Ntawv Qhia

Kev npaj - kos cov kabmob cov kabmob lub tog kev rau siab ntev thiab ntsia liaj qhov rooj.
Cov kauj ruam teeb tsa - nqa superstructure, txoj kev coj tus kabmob, ruaj ntseg, kos, tso jacks.
Clearance - tswj ntau dua lossis sib npaug nrog 50 hli seismic sib txawv.

6 lub hlis: kos duab
2 xyoos: ua haujlwm kos
5 xyoos: kuaj xyuas kom ntxaws
25 xyoos: Overhaulaul

Ntim hauv noo noo -} Cov ntawv pov thawj qhwv, khw hauv thaj chaw muaj pa, max 3 txheej teeb tsa.

10.1, specifications rau Qz spherical bearings rau txoj kev loj txuas.
10.2, specifications rau lqz spherical bearings rau txoj kev loj txuas

Nrog rau kev txhim kho kev siv tshuab Engineering,cov kheej bearingsPuas yog tas li tsim kho tshiab, thiab cov ncauj lus hauv qab no tuaj yeem tawm mus yav tom ntej:

• 1, txawj ntse cov kabmob:
• Kev sib xyaw nrog cov thev naus laus zis thev naus laus zis, lawv tuaj yeem saib xyuas kev ntxhov siab, kev hnav khaub ncaws thiab hnav ntawm cov kabmob hauv lub sijhawm ceeb toom kom paub txog kev ceeb toom ntse ntse thaum ntxov thiab saib xyuas.
• 2, Daim ntawv thov ntawm cov ntaub ntawv tshiab
• Cov ntaub ntawv xws li gracene acene graphene - Siv cov khoom siv lubricating thiab tus kheej} Lubricious cov khoom tuaj yeem txhim kho cov khoom siv ruaj khov thiab zawv zawg ntawm cov bearicical.
• 3, Kev tiv thaiv kob Ntsuab thiab ib puag ncig kev tsim qauv
• Kev siv cov khoom siv rov siv dua tshiab lossis qis -}}} kev sib txhuam ib puag ncig cov txheej txheem yuav txo qhov kev cuam tshuam ntawm ib puag ncig.
• 4, 3D Tshuab Luam Ntawv
• Kev siv cov tshuab luam ntawv 3D tshuab los tsim cov kabmob uas muaj cov duab nyuaj tuaj yeem txhim kho cov kev ua tau zoo thiab kev siv tau cov peev txheej.

Cim npe nrov: Kev rho tawm cov seismic rau cov khoom siv highbers)