Dab tsi yog Reeving ntawm crane?
Dab tsi yog Reeving ntawm crane?

Video: Dab tsi yog Reeving ntawm crane?

Video: Dab tsi yog Reeving ntawm crane?
Video: Hmong new song 2016 - Yog dab tsi - Xub Hluav Taws (Official MV) 2024, Kaum ib hlis
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Ib txoj hlua hlau rov qhov tseem ceeb yog txoj hlua hluav taws xob uas cov hlua hlau taug kev ncig cov nruas thiab cov hlaws, lossis cov hlua, rau lub hom phiaj ntawm kev nqa lossis nqa. Hlau hlua yog tsim los tiv thaiv ib puag ncig hostile; txhua tus neeg xaim yog coated nrog zinc, lossis galvanized.

Ua raws li qhov no, dab tsi yog sheave ntawm crane?

iːv/) los yog rub lub log yog lub log grooved feem ntau siv los tuav txoj siv, hlua hlua, los yog hlua thiab muab tso rau hauv lub pulley. Cov khawm tig rau ntawm lub qag lossis cov kabmob sab hauv lub thav duab ntawm cov menyuam. Sheaves Nws tuaj yeem siv los hloov cov kab hluav taws xob lossis hlua, nqa cov khoom thauj, thiab xa hluav taws xob.

Ntxiv thiab, dab tsi yog Reeving ob npaug? Tus qauv rov ntawm phau ntawv teev npe nrog cov nqa ntsug tseeb yog ob feem ob npaug ” uas muaj plaub qhov sib cais ntawm cov hlua hlau. Kuj tseem yog “plaub ntu ob npaug ” rov ua los ntawm yim cais ntawm cov hlua hlau.

Dhau li, kab ntawv rub ntawm crane yog dab tsi?

Txiav txim siab tus nqi ntawm qhov ntsuas kab rub yog qhov tseem ceeb thaum xaiv lub winch. Rated zog line hais txog qhov hnyav tshaj plaws uas lub winch tuaj yeem lub xub pwg nyom, yog li koj xav tau lub winch nrog lub zog txaus los tuav koj lub tsheb qhov hnyav.

Tus nqes ntawm tus crane hu li cas?

HOOK APPROACH - Yam tsawg kawg kab rov tav nrug nruab nrab ntawm txoj kev tsheb ciav hlau thiab txoj kev nuv . JIB CRANE - A crane tsim qhov twg tus choj girder (feem ntau hu ua lub boom) raug tsau ntawm ib kawg, tso qhov kawg rov qab rau cantilever.

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