Txoj moo

Dab tsi yog qhov ua tsis tiav ntawm crane trolley lub log?

2025-08-05
Raws li ib qho tseem ceeb ntawm cov crane lub cev ua haujlwm ua haujlwm, kev ua haujlwm ntawm aCrane trolley logcuam tshuam ncaj qha cov khoom siv kev nyab xeeb thiab ntau lawm. Hauv kev siv tiag tiag, tib lub trolley log tsis muaj xws li suav nrog cov hauv qab no:

I. CRANE TROLLEY log ntug kev hnav thiab deformation
1. Unilateral hnav: Tration installation kev sib txawv lossis cov log tsis muaj tseeb los ua ke tuaj yeem ua rau muaj kev hnav khaub ncaws ntau dhau ntawm ib sab ntawm ntug. Ib qho chaw nres nkoj gantry crane paub txog kev khiav qib ua yuam kev ntau tshaj 3 hli, ua rau cov ntug txhua hli hnav ntawm 0.5mm tus qauv kev nyab xeeb ntawm 0.5mm / lub hli.
2. Tread Spalling: Thaum lub log log tshaj qhov khoom siv kev qaug zog (piv txwv li, ib lub log 500mn), lub tread yuav spall nyob rau hauv ib tug ntses-teev qauv. Ib lub zeb zeb pob zeb cam trolley lub log tsim spalling pits txog 8 hli tob tom qab ob xyoos ntawm kev siv.
3. Yas Deformation: Thaum ua haujlwm nyob rau hauv qhov chaw siab (> 150 ° C) lossis nyob rau hauv overload, lub log tsuj tau vau thiab deform. Lub log ntawm ib lub tshuab hluav taws xob ntawm lub tshuab hluav taws xob hauv electrolytic aluminium RHOH RHOH RHO SIM NTAW CUA HEEV, ua rau pom kev tsis txaus siab thiab deformation ntawm lub tsuj.

Ii. Cov kabmob lub cev tsis ua haujlwm
1. Cov kabmob corrosion: tsis zoo lubrication yog thawj qhov ua rau. Thaum cov roj relubrice kev caij luv tshaj 200 cov sijhawm ua haujlwm, cov kabmob kub tuaj yeem nce siab ntau dua 120 ° C. Ib qho txhaws lubrication kab hauv lub crane ntawm lub chaw logistics ua rau cov kabmob tuav tau.
2 Tom qab 18 lub hlis ntawm kev siv, cov trolley bearings ntawm crane ntawm ntug dej hiav txwv uas tau tsim kev sib tw ntawm kev sib tw thiab cov dej tso dej.
3. Axial Play: Cov xoob locknuts tuaj yeem ua rau muaj cov log tsheb loj heev (> 2mm), ua rau kev tsheb ciav hlau. Qhov tsis ua hauj lwm ua rau 10mm kauj ruam ntawm kev sib koom ua ke ntawm lub chaw nres tsheb fais fab choj Crane.

III. Tawg thiab pob txha lov ntawmCrane trolley log
1. Qaug zog tawg: nyob rau hauv lwm cov khoom siv, radial cracks yog nquag los tsim kev sib tshuam ntawm lub log ntawm lub log thiab hub. Kev sim ultrasonic qhia tau hais txog 15 hli-sib sib zog nqus zais pob hauv lub log ntawm lub ntsej muag metallurgical crane tom qab tab dhau 800,000 thauj mus los.
2. Casting Cov Tsis Txaus Siab: Casting Cov Tsis Txaus Siab xws li shrinkage kab noj hniav thiab pinnholes tuaj yeem txo lub zog log. Lub log hloov tshiab ntawm lub cuab yeej Crane tsoo tsoo tom qab peb lub hlis ntawm kev siv. Kev ua tiav no qhia tau 20mm shrinkage kab noj hniav hauv lub log.
3. Overload bacture: britle bacture tshwm sim thaum cov khoom cuam tshuam tshaj cov khoom siv tensile (piv txwv li, σ ≥ 10,5mn hlau). Ib qho khoom hnyav poob ntawm lub tsev kawm tsim kho, ua rau lub log kom tawg tau tam sim ntawd.

IV. Taug qab Gnawing thiab taug qab
1. Kab rov tav Sokew: thaum lub log txoj kev sib txawv tshaj 5 hli, nws yuav ua rau Serpentine khiav. Ib 32-tuj crane nyob rau hauv ib tug rhiav tau ntxiv rau peb ntu ntxiv nyob rau hauv taug qab sab hnav vim muaj hnub nyoog 8 hli trolley span sib txawv.
2. Ntsug SKW: log ntsug txawv txawv ntau dua 1 / 1000 tuaj yeem ua rau muaj kev sib cav sai, ua txhaum kev ua tsis ncaj ncees. Qhov txhaum no ua rau nquag tawg ntawm kev taug qab cov phaj bolts ntawm ib lub taub ntim trane. 3. Under khiav sib piv: log doluction dhau ± 0.1% lossis taug qab txoj kev ua kom tsav asynchrony. Ib 200-tuj crane ntawm lub zog cog tsob nroj muaj kev paub txog 30% lub cev muaj zog tam sim vim muaj 2 hli sib txawv hauv kev tsav tsheb pulley lub taub.

V. Hluav Taws Xob Hluav Taws Xob
1. Tsis muaj lub cev muaj zog torque: Chaw nres tsheb tsis raug cai tuaj yeem ua rau cov kev tawm tsam ntawm> 15% ntawm cov roj tsav tsheb, exacerbating lub log hnav. Lub crane nyob rau hauv ib qho chaw tso cai siv hluav taws xob uas tau muaj kev cuam tshuam nrog lub log tsav log vim tsis muaj nyiaj them rau lub zog.
2. Nres asynchrony: ib qho kev tshem tawm qhov sib txawv> 0.5mm tuaj yeem ua rau lub log tsheb. Qhov kev txhaum no ua rau lub cev muaj zog tawm ntawm lub log tread ntawm ib tug subway taug kev ciav hlau-pw crane.
3. Encoder tsis ua hauj lwm: Txawv txav tawm tswv yim tuaj yeem ua rau tsav lub log ceev sib txawv. Nyob rau hauv lub crane nyob rau ntawm lub tsheb ntau lawm kab, dej ingress mus rau encoder ua rau hauv 5% nrawm sib txawv ntawm ob tsav pulleys.
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