Major International Crane Rail Standards
Ua raws li cov qauv kev tsheb nqaj hlau nruj nruj yog lub hauv paus tseem ceeb rau kev nyab xeeb, ua haujlwm tau zoo, thiab ntev - lub sijhawm ua haujlwm ntawm ib qho kev nqa hnyav. Txawm tias qhov sib txawv me ntsis hauv kev sib tw khiav tuaj yeem ua rau muaj kev puas tsuaj ntawm cov qauv kev qaug zog, hnav lub log ntxov ntxov, thiab kev puas tsuaj crane derailments.
Crane khiav kev teeb tsa yog tswj hwm los ntawm cov txheej txheem kev lees paub thoob ntiaj teb engineering. Cov kab lis kev cai no hais txog qhov ua tau zoo rau kev ntsuas ntsuas, qhov siab, qhov ncaj, thiab kev sib koom ua ke. Nyob ntawm koj qhov project qhov chaw thiab lub hauv paus chiv keeb, koj yuav tsum ua kom koj lub installation nrog ib lossis ntau dua ntawm cov qauv hauv qab no:
- ISO 12488-1:Cranes - Kev kam rau lub log thiab kev mus los thiab kev taug kev (Qhov kev lees paub thoob ntiaj teb tshaj plaws).
- CMAA 70 & CMAA 74:Cov lus qhia tshwj xeeb tsim los ntawm Crane Manufacturers Association ntawm America rau sab saum toj -khiav choj thiab gantry cranes.
- FEM 1.001:Cov cai rau kev tsim cov khoom siv hoisting los ntawm European Federation of Materials Handling.
- GB/T 10183:Suav teb tus qauv rau overhead thiab portal choj crane taug qab kam rau ua.
| QU Crane Rails | Lub taub hau dav A ± 1 (mm) |
Hauv qab dav B (mm) |
Rail Qhov siab H ± 0.8 hli |
Lub duav Thickness ± 1 (mm) |
Nominal Nyhav (kg / m) |
Siv Load (ton) |
|---|---|---|---|---|---|---|
| qw 70 | 70 | 120 | 120 | 28 | 52.77 | 32 |
| qw 80 | 80 | 130 | 130 | 32 | 64.41 | 50~75 |
| QU 100 | 100 | 150 | 150 | 38 | 89.05 | 100~125 |
| qw 120 | 120 | 170 | 170 | 44 | 118.50 | 160 |
- DIN 15018 / VDI 3576:German cov qauv kev lag luam qhia txog hnyav - lub luag haujlwm crane taug qab tsim thiab ua tiav.
| DIN536 Crane Rail | Lub taub hau dav (mm) |
Lub hauv paus dav | Rail Qhov siab | Lub duav Thickness | Nominal Nyhav (kg / m) |
|---|---|---|---|---|---|
| A45 | 45 (±0.6) | 125 (+1.5, -3) | 55 (±1) | 24 | 22.10 |
| A55 | 55 (±0.6) | 150 (+1.5, -3) | 65 (±1) | 31 | 31.80 |
| A65 | 65 (±0.8) | 175 (+1.5, -4) | 75 (±1) | 38 | 43.10 |
| A75 | 75 (±0.8) | 200 (+2, -5) | 85 (±1) | 45 | 56.20 |
| A100 | 100 (±1) | 200 (+2, -5) | 95 (±1.5) | 60 | 74.30 |
| A120 | 120 (±1) | 220 (+2, -5) | 105 (±1.5) | 72 | 100.00 |
| A150 | 150 (±1) | 220 (+2, -5) | 150 (±1.5) | 80 | 150.30 |
Critical Dimensional Tolerances for Track Installation
Thaum txhim kho crane rails, cov kws tshawb fawb thiab cov kws tsim qauv tsom hnyav rau plaub qhov kev ntsuas qhov loj me. Txawm hais tias muaj pes tsawg tus lej sib txawv me ntsis raws li lub crane qhov ncua sij hawm thiab kev khiav hauj lwm ceev (xws li ISO 12488-1 faib kev kam rau ua rau cov chav kawm 1 txog 4), cov kev kam rau siab dav dav suav nrog:
Track Span (Gauge) Tolerance: Kab rov tav nrug nruab nrab ntawm cov kab nruab nrab ntawm ob txoj kab sib txuas. Rau spans nyob rau hauv 10 meters, qhov kam rau ua yog feem ntau ± 3 hli. Rau cov spans loj (ntau tshaj 15 meters), nws yuav ncav cuag ± 5 hli mus rau ± 8 hli, xam raws li (3 + 0.25 × (Span - 10)) mm].
- Straightness (Alignment) Deviation:Lub lateral straightness ntawm ib lub tsheb ciav hlau. Qhov sib txawv yuav tsum tsis pub tshaj ± 1 hli ib 'meter', thiab tag nrho qhov sib txawv ntawm qhov ntev ntawm txoj kev khiav feem ntau yuav tsum tsis pub tshaj ± 10 hli.
- Qhov siab (Levelness) Tolerance:Vertical high / low variance raws tus khiav. Qhov siab tshaj txoj kab nqes raws qhov ntev ntawm txoj kev tsheb ciav hlau yuav tsum tsis pub tshaj 1 hli rau 1 meter.
- Parallelism (Cross-level):Qhov siab qhov sib txawv ntawm ob txoj kab sib txuas ntawm ib qho twg muab -section. Feem ntau, ib lub tsheb ciav hlau tsis tuaj yeem siab tshaj 10 hli siab tshaj qhov kev tsheb ciav hlau.
Rail Joint thiab Vuam Standards
Cov pob qij txha yog cov ntsiab lus tsis muaj zog tshaj plaws hauv txhua qhov crane khiav. Cov pob qij txha ua tsis raug cai ua rau muaj kev cuam tshuam loj heev txhua zaus lub crane log hla lawv.
- Staggered Joints:Yog siv bolted fishplates (splice bars) siv, qhov sib koom ua ke ntawm sab laug rail yuav tsum tsis txhob ncaj nraim nrog kev sib koom tes ntawm txoj kev tsheb ciav hlau. Lawv yuav tsum tau staggered los ntawm yam tsawg kawg yog 1.5 mus rau 2 meters los tiv thaiv lub crane qauv los ntawm absorbing ib txhij ob kev cuam tshuam.
- Vuam Standards:Rau Nruam Welded Rails (CWR) siv Aluminothermic (thermite) welding, cov weld tiav yuav tsum yog av tag nrho nrog lub taub hau rail. Qhov ntsug thiab lateral misalignment ntawm welded sib koom yuav tsum nruj me ntsis tsawg dua los yog sib npaug li 1 hli.
- Expansion Gaps:Nyob rau hauv bolted pob qij txha raug kub hloov pauv (piv txwv li, sab nraum zoov gantries), suav thermal expansion kis (feem ntau yog 1mm mus rau 3mm) yuav tsum tau tswj raws li nyob rau hauv lub zos ambient kub heev.
Fastening System thiab Pad Installation Guidelines
Txoj kev tsheb ciav hlau tsuas yog muaj kev ruaj ntseg zoo li lub kaw lus fastening tuav nws nyob rau hauv qhov chaw. Cov txheej txheem yuav tsum muaj cov khoom sib khi los tuav cov quab yuam sab nraud yam tsis muaj loosening.
- Clip qhov nrug:Adjustable crane rail clips (txawm yog weldable los yog bolted) yuav tsum tau muab tso rau ntawm nruj nreem xam raws sijhawm -feem ntau yog 500 hli los yog 600 hli sib nrug- nyob ntawm qhov siab tshaj plaws log load.
- Pad Centering:Nruam steel-cov ntaub ntawv elastomeric roj hmab yuav tsum tau muab tso rau hauv lub hauv paus rail. Ib qho overhang lossis misalignment cuam tshuam rau lub ncoo lub peev xwm los faib cov khoom hnyav thiab nqus kev co.
- Torque Specifications:Lub bolts nyob rau sab sauv ntawm adjustable clips yuav tsum tau nruj nreem siv ib tug calibrated torque ciaj ntswj mus rau lub meej torque tus nqi teev los ntawm lub clip chaw tsim tshuaj paus (xws li, 150 Nm mus rau 200 Nm) kom ntseeg tau tias cov roj hmab qhov ntswg siv qhov tseeb downward siab.
GNEE RAILua tau raws li kev nruj ua ntej- straightening thiab kuaj ultrasonic ua ntej nws tawm ntawm peb qhov chaw. Tsis tas li ntawd, peb tsim thiab muab cov kev ua tiav, ua tiav kev sib koom ua ke kom ruaj khov ecosystem- suav nrog micro- adjustable weldable clips, nruam elastomeric pads, thiab ib daim hlau. Peb tuaj yeem ua ntej - txiav koj cov ntsia hlau kom ntev thiab ua ntej - tho lawv raws li koj qhov chaw tsim qauv, kom ntseeg tau tias koj pab neeg txhim kho siv sijhawm tsawg dua cov ntaub ntawv hloov kho thiab ntau lub sijhawm kom ua tiav kev sib raug zoo.