Inqola engaphansi kwensimbi yokukhasaidlala indima ebalulekile kwezobunjiniyela, ezolimo nakweminye imikhakha. Inamandla okuthwala kahle, ukuzinza kanye nokuzivumelanisa nezimo, futhi ingasetshenziswa ezimweni ezahlukene zokusebenza. Ukukhetha inqola yensimbi engaphansi kwenqola efanele izimo ezahlukene zokusebenza kudinga ukucatshangelwa izici ezilandelayo: indawo yokusebenza, izidingo zomsebenzi, umthwalo kanye nokuhleleka. Okulandelayo kuzokwethula ngokuningiliziwe indlela yokukhetha inqola yensimbi engaphansi kwenqola efanele izimo ezahlukene zokusebenza.
Okokuqala, indawo yokusebenza ingenye yezinto ezibalulekile lapho ukhetha inqola yensimbi ekhasa phansi. Izindawo zokusebenza ezahlukene zidinga imiklamo ehlukene yenqola ekhasa phansi kanye nokukhethwa kwezinto. Isibonelo, ezindaweni ezomile njengezingwadule noma amadlelo, inqola yensimbi ekhasa phansi enomklamo ovikela uthuli kanye nokumelana nokugqwala kufanele ikhethwe ukuze ibhekane nezimo zemvelo ezinzima. Ezindaweni ezishelelayo, inqola yensimbi ekhasa phansi eyenziwe ngomumo enokubamba kahle kanye nezakhiwo zokuxosha udaka kufanele ikhethwe ukuqinisekisa ukuzinza nokuphepha kwemoto emigwaqweni eshelelayo.
Okwesibili, izidingo zomsebenzi nazo zingenye yezinto ezibalulekile ekukhetheni inqola engaphansi kwensimbi ekhasa phansi. Izidingo zomsebenzi ezahlukene zidinga izakhiwo nezici ezahlukene zenqola engaphansi kwephansi. Isibonelo, ezimweni zokwakha ubunjiniyela, inqola engaphansi kwephansi enekhono elikhulu lokuthwala imithwalo kanye nokuqina kuyadingeka ukuze kusingathwe ukuthuthwa nokusebenza kwemishini yobunjiniyela esindayo. Ezimweni zezolimo, kuyadingeka ukukhetha inqola engaphansi kwephansi ekwazi ukugudluka kahle kanye nokuguquguquka ukuze ivumelane nokusebenza ezindaweni ezahlukene kanye nezimo zomhlaba.
Ngaphezu kwalokho, umthwalo ungenye yezinto okufanele uzicabangele lapho ukhetha inqola yensimbi. Kuye ngezimo zokusebenza ezahlukene kanye nezidingo, kubalulekile ukukhetha ishasi elingathwala umthwalo odingekayo. Ezimweni lapho izinto ezisindayo kudingeka zithwalwe khona, inqola engaphansi komhlaba enekhono eliphezulu lokuthwala umthwalo kufanele ikhethwe ukuqinisekisa ukuthuthwa nokusebenza okuphephile nokuzinzile. Ngesikhathi esifanayo, ukufana kokusatshalaliswa komthwalo kanye nokubola kwawo nakho kudingeka kucatshangelwe ukuze kuncishiswe ukucindezeleka kanye nokuguguleka kwenqola engaphansi komhlaba.
Ukukwazi ukuqondisa ngendlela oyifisayo kwe-steel crawler undercarriage nakho kungenye yezinto okudingeka zicatshangelwe lapho ukhetha i-steel crawler undercarriage efanelekela izimo ezahlukene zokusebenza. Izimo ezahlukene zomsebenzi zidinga ukukwazi ukuqondisa okuhlukile, njengokujikeleza kwe-radius, ukulinganisa kanye nesivinini. Ezindaweni zokwakha ezincane noma epulazini, kuyadingeka ukukhetha i-undercarriage ene-redius encane yokujika kanye nokunyakaza okuhle ukuthuthukisa ukuphathwa nokusebenza kahle. Ezimweni lapho kudingeka khona ukuthuthwa kwebanga elide, i-undercarriage enejubane eliphezulu kanye nekhono elihle lokukhuphuka kufanele ikhethwe ukuze kuthuthukiswe ukusebenza kahle kwezokuthutha futhi kuncishiswe izindleko.
Ngamafuphi, ukukhetha inqola engaphansi kwensimbi ekhasa phansi efanele izimo ezahlukene zokusebenza kudinga ukucatshangelwa okubanzi kwezici ezifana nendawo yokusebenza, izidingo zomsebenzi, umthwalo, kanye nokuhamba. Kuphela ngokuhlola nokuhlaziya ngokugcwele lezi zici lapho inqola engaphansi kwensimbi ekhasa phansi efanele ingakhethwa ukuze kufezwe umsebenzi ophumelelayo, ophephile futhi ozinzile.
Uma ufuna i-umenzi wesitimela esingaphansi kwenqola elandelwayo ye-crawler ngekhwalithi yokuqala kanye nentengo yesibili, ungasithinta njalo.
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