Ntauwd cranes yog "tus ncej ntawm lub zog" ntawm qhov chaw tsim kho, thiab lawv cov khoom tuaj yeem muab faib ua plaub pawg:
Hlau Structure Cheebtsam:
Ntauwd Lub Cev: Cov txheej txheem feem ntau yog 1.6-3 meters siab, txuas nrog thiab sib dhos ntawm bolts, nqa qhov hnyav ntawm tag nrho lub tshuab.
Hoist: Ntev 40-80 meters, muaj nyob rau hauv kab rov tav thiab luffing jib hom, nrog lub trolley rau pem hauv ntej rau nqa.
Counterweight Boom: Ib qho hnyav ntawm lub nraub qaum (feem ntau 3-20 tons) tiv thaiv kev nqa lub zog, tuav lub tshuab ruaj khov.
Tsav System:
Motors: Hoisting lub cev muaj zog 15-55kW, slewing lub cev muaj zog 5-30kW.
Reducer: Iav piv 1:50 rau 1:100, txo qhov ceev thiab nce torque.
