Inqanawa yokuthutha impahla eninzi yinqanawa ethwala iibheli ezinzima, ezinkulu, iibhokisi, kunye neebhalkhoni zempahla eyahlukeneyo. Iinqanawa zokuthutha impahla zikhethekile ekuthwaleni imisebenzi eyahlukeneyo yemithwalo emanzini, kukho iinqanawa zokuthutha impahla ezomileyo kunye neenqanawa zokuthutha impahla ezingamanzi, kwaye iinqanawa zokuthutha impahla eninzi luhlobo lweenqanawa zokuthutha impahla ezomileyo. Ngokuqhelekileyo zibizwa ngokuba yinqanawa yokuthutha impahla enobunzima beetoni ezili-10,000, oko kuthetha ukuba umthamo wayo wemithwalo umalunga neetoni ezili-10,000 okanye ngaphezulu kweetoni ezili-10,000, kwaye ubunzima bayo obupheleleyo kunye nomthwalo opheleleyo bukhulu kakhulu.
Iinqanawa ezinkulu zeBreak zihlala ziinqanawa ezinemigangatho emibini, ezineendawo zokugcina imithwalo ezi-4 ukuya kwezi-6, kunye neendawo zokubeka imithwalo kwidekhi yendawo nganye yokugcina imithwalo, kwaye iintonga zemithwalo ezinokuphakamisa iitoni ezi-5 ukuya kwezingama-20 zifakelwe kumacala omabini endawo yokugcina imithwalo. Ezinye iinqanawa zikwanazo neekhreyini ezinzima zokuphakamisa imithwalo enzima, amandla okuphakamisa ayi-60 ukuya kwiitoni ezingama-250. Iinqanawa zemithwalo ezineemfuno ezikhethekileyo zixhotyiswe ngee-boom ezinkulu zokuphakamisa ezimile okwe-V ezinokuphakamisa amakhulu eetoni. Ukuze kuphuculwe ukusebenza kakuhle kokulayisha nokukhupha impahla, ezinye iinqanawa zemithwalo zixhotyiswe ngeekhreyini zemithwalo ezijikelezayo.
Kwakhona kuphuhliswe inqanawa yemithwalo eyomileyo eneenjongo ezininzi, enokuthwala ukutya okupakishwe ngokubanzi, kodwa ikwazi nokuthwala imithwalo emikhulu nesezikhongozelweni. Olu hlobo lwenqanawa yemithwalo lufanelekile kwaye lusebenza kakuhle kunenqanawa yemithwalo eqhelekileyo ethwala imithwalo enye.
Iinqanawa ezinkulu eziqhekezayo zisetyenziswa kakhulu kwaye zibekwe kwindawo yokuqala kwinani elipheleleyo leenqanawa zorhwebo zehlabathi. Inani leenqanawa zemithwalo eziqhelekileyo ezihamba emanzini angaphakathi lineetoni ezingamakhulu, amawaka eetoni, kwaye iinqanawa zemithwalo eziqhelekileyo kwezothutho lolwandle zinokufikelela kwiitoni ezingaphezu kwama-20,000. Iinqanawa zemithwalo eziqhelekileyo kufuneka zibe noqoqosho oluhle kunye nokhuseleko, ngaphandle kokulandela isantya esiphezulu. Iinqanawa zemithwalo eziqhelekileyo zihlala zihamba kumazibuko ngokweemeko ezithile zemithombo yemithwalo kunye neemfuno zemithwalo, kunye nemihla yokuthunyelwa emiselweyo kunye neendlela. Inqanawa yemithwalo eqhelekileyo inesakhiwo esomeleleyo sobude, ezantsi kwenqanawa ikakhulu sisakhiwo esineengqimba ezimbini, isaphetha kunye nomva zixhotyiswe ngeetanki eziphambili nezingasemva, ezinokusetyenziselwa ukugcina amanzi acocekileyo okanye amanzi okulayisha i-ballast ukulungisa umqolo wenqanawa, kwaye zinokuthintela amanzi olwandle ukuba angangeni kwitanki enkulu xa ingqubana. Kukho iidekhi ezi-2 ukuya kwezi-3 ngaphezulu kwenqanawa, kwaye iindawo ezininzi zokugcina imithwalo zimiselwe, kwaye ii-hatch zigqunywe zii-hatch ezingangeni manzi ukuze kuthintelwe amanzi. Igumbi lenjini okanye elibekwe embindini okanye elibekwe emsileni, ngalinye linezibonelelo kunye neengxaki, elibekwe embindini linokulungisa ulungelelwaniso lwesiqu, ngasemva lilungele ulungiselelo lwendawo yemithwalo. Izintonga zokuphakamisa imithwalo zibonelelwa kumacala omabini e-hatch. Ukulayisha nokukhulula iindawo ezinzima, kudla ngokuxhotyiswa nge-derrick enzima. Ukuze kuphuculwe ukulungelelaniswa kakuhle kweenqanawa eziqhekezayo kwiindlela ezahlukeneyo zokuthutha imithwalo, zinokuthwala imithwalo emikhulu, izixhobo ezinzima, izikhongozeli, ukutya, kunye neminye imithwalo emikhulu, iinqanawa ezintsha zanamhlanje eziqhekezayo zihlala ziyilwa njengeenqanawa zeenjongo ezininzi.
Inzuzo:
Iitoni ezincinci, eziguquguqukayo,
I-crane yenqanawa yakho
Iqandusele ngokubanzi
Iindleko zokuvelisa eziphantsi
Ixesha leposi: Disemba-16-2024