A i-portal boom crane, eyaziwa nangokuthi i-portal crane noma i-gantry crane, uhlobo lwe-crane oluqukethe indlela yokuphakamisa efakwe esakhiweni esihlanganisa indawo yokusebenza. Isakhiwo ngokuvamile sinemilenze emibili eqondile esekela ugongolo oluvundlile (i-boom) lapho indlela yokuphakamisa ilenga khona. Lo mklamo uvumela i-crane ukuthi ihambise imithwalo ngokuvundlile nangokuqondile ngaphakathi kwendawo echaziwe, okwenza ifaneleke kakhulu ezinhlotsheni ezahlukene zokusebenza, njengasemagcekeni okuthumela impahla, ezindaweni zokugcina impahla, nasezindaweni zokukhiqiza.
Izici ezibalulekile zama-portal boom cranes zifaka:
Ukuhamba:Ama-portal cranes amaningi aklanyelwe ukuhamba emigwaqweni, evumela ukuthi amboze izindawo ezinkulu futhi aphathe izinto ngendlela ephumelelayo.
Umthamo Wokulayisha:Zingaphatha imithwalo esindayo, okwenza zifanelekele ukuphakamisa nokuthutha izinto ezinkulu, njengezitsha zokuthumela noma imishini esindayo.
Ukuguquguquka:Ama-portal cranes angasetshenziswa ezimbonini ezahlukahlukene, okuhlanganisa ukwakhiwa, ukuthunyelwa kwempahla, kanye nokukhiqiza, emisebenzini efana nokulayisha nokukhipha izinto, ukuhlanganisa, kanye nokulungisa.
Ukuzinza:Umklamo we-crane unikeza ukuzinza, okwenza ukuthi ikwazi ukuphakamisa imithwalo esindayo ngaphandle kokuguqa.
Isikhathi sokuthunyelwe: Disemba-06-2024