Dab tsi yog Beam Trolleys
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Lub nqaj trolley tau muab faib ua ob hom: thawb trolley thiab tes trolley. Lub trolley tes yog tsav los ntawm txoj hlua tes, thawb lub trolley yog tsav los ntawm txhais tes kom nqa cov khoom hnyav. Lawv tuaj yeem txav tau dawb ntawm qis flange ntawm I-beam. Thiab qhov kev ncua deb ntawm lub log tuaj yeem hloov kho raws li qhov dav ntawm I-beam khiav. Txuas cov saw lossis qib saw hoist mus rau lub trolley, tom qab ntawd lawv tuaj yeem tsim daim ntawv nqa nqa thiab nqa lub trolley.
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Beam trolley muaj kev nyab xeeb siv thiab yooj yim los tuav. Nws yog ha compact structure& me me teeb tsa me me. Nws' yooj yim los kho lub log sib nrug ntawm lub tsheb laij teb, thiab haum rau ntau yam kab teeb. Nyob rau hauv qhov kev ua ntawm lub ntiajteb txawj nqus, qhov siab tuaj yeem hloov kho los ntawm nws tus kheej kom ua rau plaub lub log sib npaug. Lub trolley muaj kev sib kis tau zoo thiab qis tes rub quab yuam. Nws tuaj yeem tsav ntawm khoov nrog lub vojvoog me dua.
Beam trolleys tau siv dav hauv cov chaw tsim khoom, mines, chaw thau khoom, chaw khaws khoom, chaw tsim khoom, thiab lwm yam. Lawv tau siv los nruab cov tshuab thiab khoom siv kom nqa khoom. Beam trolleys tshwj xeeb tshaj yog haum rau kev ua haujlwm hauv cov chaw tsis muaj lub zog.
