Lub crane yog ib lub tshuab nqa ntau-action lifting tshuab uas vertically lifts thiab horizontally tsiv cov khoom hnyav nyob rau hauv ib tug tej yam ntau yam. Nws tseem hu ua overhead crane, gantry crane, lossis hoist.
Cov yam ntxwv tseem ceeb ntawm lub log tsheb -mounted crane yog: nws lub tsheb tavxij tsav tsheb thiab nqa lub tsheb thauj khoom tau muab tso rau hauv ib chav; nws hloov zuj zus los ntawm tus crawler crane, hloov cov lem thiab kev txhawb nqa ntawm lub tshuab crawler nrog lub log tsheb -mounted chassis, kov yeej qhov tsis zoo ntawm crawler crane lem ua rau txoj kev ntog. Nws belongs rau qeb ntawm cov khoom tuav machinery.
Tus choj crane yog ib qho cuab yeej nqa nqa uas hla hla kev cob qhia, warehouses, thiab cov khoom siv rau kev tuav cov khoom. Vim tias nws ob qhov kawg so ntawm cov ncej siab lossis cov hlau txhawb nqa, nws zoo li tus choj. Tus choj thav duab ntawm tus choj crane khiav longitudinally raws lem nteg nyob rau hauv elevated qauv ntawm ob sab, ua kom tag nrho ntawm qhov chaw hauv qab tus choj ncej rau cov khoom tuav tsis muaj kev cuam tshuam los ntawm cov khoom siv hauv av. Nws yog qhov feem ntau siv thiab ntau hom lifting machinery.
