Phau ntawv qhia no muab cov ntsiab lus dav dav ntawm nyiaj siv ua haujlwm crane girders, suav nrog lawv hom, xaiv cov qauv, thiab kev txiav txim siab rau kev ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm crane. Peb delve rau hauv cov ntsiab lus tseem ceeb los pab koj txiav txim siab paub thaum xaiv tus girder txoj cai rau koj daim ntawv thov tshwj xeeb. Kawm txog cov ntaub ntawv sib txawv, kev xav txog kev tsim, thiab cov yam ntxwv cuam tshuam rau lub neej thiab kev ua haujlwm ntawm koj nyiaj siv ua haujlwm crane girder.
Lub thawv girders paub txog lawv lub zog-rau-qhov hnyav piv, ua rau lawv haum rau qhov hnyav dua thiab ntev dua. Lawv cov qauv uas nyob ib puag ncig muab zoo heev torsional kuj thiab stability. Lawv feem ntau nyiam nyob rau hauv cov xwm txheej uas xav tau siab precision thiab tsawg deflection nyob rau hauv load. Cov no feem ntau siv nyob rau hauv kev lag luam chaw uas muaj peev xwm xav tau.
I-beam girders yog qhov kev xaiv pheej yig dua, feem ntau siv rau hauv cov ntawv thov nrog cov peev txheej nruab nrab thiab luv luv. Lawv cov qauv tsim yooj yim ua rau lawv yooj yim rau fabricate thiab nruab. Thaum tsis tshua muaj kev tiv thaiv torsion dua li lub thawv girders, lawv tsim nyog rau ntau daim ntawv thov kev lag luam uas tus nqi-zoo yog qhov tseem ceeb rau kev txiav txim siab. Kev xam kom raug ntawm lub peev xwm thauj khoom yog qhov tseem ceeb thaum xaiv I-beam nyiaj siv ua haujlwm crane girder.
Lwm hom girders muaj xws li lattice girders thiab built-up girders. Lattice girders yog lub teeb yuag thiab haum rau ntev spans, thaum cov girders built-up muab kev yooj yim hauv kev tsim thiab kho. Qhov kev xaiv nyob ntawm ntau yam ntawm daim ntawv thov tshwj xeeb thiab cov kev cai thauj khoom. Nco ntsoov sab laj nrog tus kws tsim qauv tsim qauv los txiav txim siab hom girder zoo rau koj cov kev xav tau tshwj xeeb.
Qhov tseem ceeb tshaj plaws yog qhov yuav tsum tau muaj peev xwm load. Qhov no yog nyob ntawm qhov hnyav ntawm cov khoom nqa, lub crane tsim, thiab kev nyab xeeb yam. Kev xam cov load kom raug yog qhov tseem ceeb los tiv thaiv kev ua haujlwm tsis ua haujlwm. Nrog rau cov qauv kev lag luam cuam tshuam thiab cov lej rau kev kwv yees kev nyab xeeb.
Qhov kev ncua deb ntawm cov kab txhawb txiav txim siab qhov ntev. Ntev spans feem ntau xav tau cov girders muaj zog thiab muaj zog dua los tiv thaiv lub sijhawm khoov thiab shear rog. Kev xaiv kom zoo ntawm cov khoom siv girder thiab qhov ntev yog qhov tseem ceeb rau kev ruaj ntseg thiab kev nyab xeeb.
Nyiaj siv ua haujlwm crane girders feem ntau yog tsim los ntawm cov hlau, tab sis lwm yam ntaub ntawv xws li txhuas alloys yuav siv tau rau hauv cov ntawv tshwj xeeb. Hlau muab lub zog siab thiab ua haujlwm ntev, tab sis nws qhov hnyav tuaj yeem yog qhov tseem ceeb hauv qee qhov xwm txheej. Aluminium alloys muab lwm txoj kev sib dua, txawm hais tias lawv yuav tsis haum rau txhua lub peev xwm thauj khoom.
Kev ua haujlwm ib puag ncig plays lub luag haujlwm tseem ceeb hauv kev xaiv girder. Kev raug mob hnyav xws li cov tshuaj corrosive lossis kub hnyav yuav xav tau kev siv cov khoom tshwj xeeb lossis cov txheej tiv thaiv kom ntev lub girder txoj sia. Xav txog yam xws li cov av noo thiab kub hloov pauv kom ntseeg tau tias kev ua haujlwm ntev.
Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua yog qhov tseem ceeb rau kev ua kom muaj kev nyab xeeb thiab ua haujlwm zoo ntawm koj nyiaj siv ua haujlwm crane girder qhov system. Qhov no suav nrog kev tshuaj xyuas qhov muag rau cov paib ntawm kev puas tsuaj, kuaj kev thauj khoom tsis tu ncua, thiab ua raws li cov cai tswj kev nyab xeeb. Lub kaw lus tswj kom zoo txo qhov kev pheej hmoo ntawm kev raug xwm txheej thiab txuas ntxiv lub neej ntawm cov khoom siv. Nco ntsoov, qhov tseem ceeb ntawm kev nyab xeeb yog qhov tseem ceeb.
Xaiv tus neeg xa khoom muaj npe nrov yog qhov tseem ceeb rau kev ua kom zoo thiab kev ntseeg siab ntawm koj nyiaj siv ua haujlwm crane girder. Xav txog yam xws li tus neeg muag khoom qhov kev paub dhau los, lub koob npe nrov, thiab muaj peev xwm ua tau raws li koj cov kev xav tau tshwj xeeb. Nrhiav cov tuam txhab uas muaj cov ntaub ntawv muaj zog thiab kev cog lus rau kev tswj kom zoo. Rau kev xaiv dav ntawm cov cranes zoo thiab cov khoom siv cuam tshuam, xav txog kev tshawb nrhiav kev xaiv los ntawm cov neeg muag khoom muaj npe zoo li cov uas pom ntawm Suizhou Haicang Tsheb Muag Khoom Co., Ltd. Lawv muab ntau yam kev daws teeb meem tsim los ua kom tau raws li kev xav tau ntau yam kev lag luam.
| Hom Girder | Qhov zoo | Qhov tsis zoo |
|---|---|---|
| Box Girder | Siab zog-rau-qhov hnyav piv, zoo heev torsional kuj | Tus nqi siab dua piv rau I-beams |
| Kuv-Beam Girder | Nqi-zoo, yooj yim rau fabricate thiab nruab | Tsawg torsional tsis kam tshaj lub thawv girders |
Nco ntsoov ib txwm sab laj nrog cov kws tshaj lij engineers thiab ua raws li cov qauv kev nyab xeeb cuam tshuam thaum ua haujlwm nrog nyiaj siv ua haujlwm crane girders.