Esi sikhokelo sibanzi sihlola ihlabathi le icrane yesizwe izixhobo, ukunceda uqonde iintlobo ezahlukeneyo, izicelo, kunye nezinto ekufuneka uziqwalasele xa ukhetha crane elungileyo iimfuno zakho. Siphengulula kwiingqwalasela zokhuseleko, izenzo zogcino, kunye nokusebenza kakuhle ngokupheleleyo kwe iicranes zelizwe. Nokuba uligcisa elinamava okanye usaqala ukuphonononga eli shishini, esi sikhokelo sibonelela ngeembono ezixabisekileyo.
I-crane yeSizwe iikhreyini zenqaba ziyinto eqhelekileyo kwiindawo ezinkulu zokwakha. Zibonakaliswa ngobude bazo, isakhiwo esizimeleyo kwaye zilungele ukuphakamisa izinto ezinzima kwiindawo eziphakamileyo. Ulungelelwaniso olwahlukileyo lukhona, kubandakanya i-luffing jib cranes kunye ne-hammerhead cranes, nganye ilungele iimfuno zeprojekthi ezahlukeneyo. Izinto ezifana nomthamo, ukufikelela, kunye nokuphakama okuzimeleyo zibalulekile iingqwalasela xa ukhetha i-crane ye-tower yeprojekthi. Qwalasela iimfuno ezithile zeprojekthi yakho kunye nemiqobo yendawo kwindawo yakho. Ukukhetha okungafanelekanga kunokukhokelela ekungasebenzi kakuhle kunye neengozi zokhuseleko.
Iikhreyini eziphathwayo zibonelela ngezinto ezininzi eziguquguqukayo ngakumbi kuneekhreyini zeenqaba ngenxa yokuhamba kwazo. I-crane yeSizwe iikhreyini ezihambayo, kubandakanywa iikhreyini ezikwindlela erhabaxa kunye neekhreyini ezikwindawo yonke, zinokuthuthwa ngokulula kwiindawo ezahlukeneyo. Ezi zisetyenziswa rhoqo kwiimeko apho i-crane esisigxina ingasebenziyo. Ukhetho phakathi kwemihlaba erhabaxa kunye nomhlaba wonke kuxhomekeke kwiimeko zomhlaba kwindawo yakho yomsebenzi. Ii-cranes ze-terrain yonke, umzekelo, zibonelela ngokuhamba okuphezulu kwimigangatho egangathiweyo. Ukukhetha okufanelekileyo icrane yesizwe I-crane ehambayo ixhomekeke kakhulu kuhlobo lwendawo osebenza nayo kunye nobunzima bomthwalo.
Iikhreyini ezingaphezulu, ezihlala zifumaneka kwizicwangciso zemizi-mveliso, zisetyenziselwa ukuhambisa izinto ngaphakathi kumzi-mveliso okanye kwindawo yokugcina impahla. I-crane yeSizwe Iikhreyini ezingaphezulu ziza kuyilo olwahlukeneyo, kubandakanya iikhreyini zebhulorho kunye neekhreyini zegantry, nganye inomthamo wayo womthwalo kunye nesithuba. Ukukhetha ekunene icrane yesizwe I-crane engaphezulu ifuna ukuqwalaselwa ngononophelo koyilo lwendawo yokusebenza, ubunzima bezinto eziphathwayo, kunye nesantya esifunekayo sokuphakamisa. Olona khetho lufanelekileyo luya kwandisa ukusebenza kakuhle kunye nokhuseleko kwindawo yakho yoshishino.
Umthamo wokuphakamisa kunye nokufikelela kwi-crane kubaluleke kakhulu. Ubunzima bomthwalo kunye nomgama owufunayo ukuba uhanjiswe umisela umthamo ofunekayo kunye nokufikelela kwiinkcukacha. Ukukhetha i-crane enomthamo onganeleyo okanye ukufikelela kunokukhokelela kwiingozi kunye nokulibaziseka. Ngalo lonke ixesha qinisekisa ukuba umthamo olinganisiweyo wekhreyini ungaphezulu kobunzima bomthwalo, uqwalasela nayiphi na imiba eyongezelelweyo efana nomthwalo womoya.
Umhlaba apho i-crane iya kusebenza khona kakhulu ichaphazela ukhetho lwecrane. Iikhreyini zomhlaba ezirhabaxa ziyilelwe imiphezulu engalinganiyo, ngelixa iikhreyini zomhlaba wonke zilungele iindawo ezigangathiweyo. Ukufikeleleka kwindawo yomsebenzi nako kubalulekile. Qinisekisa ukuba ikhreyini inokuthuthwa kwaye ibekwe kakuhle. Cinga imilinganiselo kunye nobunzima be-crane ngexesha lokuthutha kunye nokusekwa.
Ukhuseleko kufuneka lube yeyona nto iphambili. Jonga iikhreyini ezineempawu ezinje ngezalathi zomzuzu womthwalo, iinkqubo zokhuseleko lomthwalo ogqithisileyo, kunye neendlela zokuvala ezingxamisekileyo. Ukuhlolwa nokugcinwa rhoqo rhoqo kubalulekile ekugcineni ukhuseleko. Ukuthotyelwa kwayo yonke imimiselo yokhuseleko efanelekileyo kunye nemigangatho kunyanzelekile ekusebenzeni ngokufanelekileyo kwe-crane. Amava kunye noqeqesho lomsebenzisi lukwanegalelo ekusebenzeni ngokukhuselekileyo.
Ukugcinwa rhoqo kubalulekile ekuqinisekiseni ukusebenza ngokukhuselekileyo nangokufanelekileyo iicranes zelizwe. Oku kubandakanya ukuhlolwa rhoqo kwawo onke amacandelo, ukuthambisa, kunye nokulungiswa kwangexesha. I-crane egcinwe kakuhle ayinakwenzeka ukuba ibe neengxaki kwaye ikhuselekile ukusebenza. Uqeqesho lwabaSebenzisi lukwabalulekile, lugxininisa iinkqubo zokusebenza ezikhuselekileyo kunye neeprothokholi zokusabela ngokukhawuleza. Jonga kwizikhokelo zomenzi kwiishedyuli ezineenkcukacha zokulondolozwa kunye neenkqubo zokhuseleko.
Ukukhetha umthengisi othembekileyo kubalulekile xa uthenga iicranes zelizwe. Umthengisi othembekileyo akanikezeli kuphela izixhobo ezikumgangatho ophezulu kodwa kunye nenkonzo ebalaseleyo emva kokuthengisa, kubandakanywa ukugcinwa kunye nenkxaso yobugcisa. Phanda ababoneleli abahlukeneyo, thelekisa iminikelo yabo kunye nokuphononongwa kwabathengi, kwaye ukhethe eyona ihlangabezana neemfuno zakho kunye nohlahlo lwabiwo-mali. Qwalasela izinto ezifana nezibonelelo zewaranti, ukufumaneka kweengxenye, kunye nodumo lomthengisi ngaphakathi kwishishini. I-Hitruckmall sisixhobo esixabisekileyo ukuhlola iinketho ezahlukeneyo crane.
| Uhlobo lweCrane | Isicelo esifanelekileyo | Iingenelo | Iingxaki |
|---|---|---|---|
| Tower Crane | Iiprojekthi ezinkulu zokwakha | Umgangatho ophezulu wokuphakamisa, ukuphakama okukhulu ukufikelela | Ukuhamba okulinganiselweyo, ukuseta okuntsokothileyo |
| I-Mobile Crane | Ukusetyenziswa kwezinto ezahlukeneyo, iindawo ezahlukeneyo | Ukuhamba, ukulungelelaniswa kwiindawo ezahlukeneyo | Ngokuqhelekileyo umthamo ophantsi wokuphakamisa kuneekhreyini zeenqaba |
| Umphezulu weCrane | Izicwangciso zemizi-mveliso, iindawo zokugcina iimpahla | Ukuphatha izinto ezifanelekileyo ngaphakathi kwezithuba ezivaliweyo | Ukufikelela okulinganiselweyo ngaphandle kwendawo echaziweyo |
Khumbula, ukukhetha okulungileyo icrane yesizwe sisigqibo esibalulekileyo esichaphazela zombini impumelelo yeprojekthi kunye nokhuseleko. Ngokuqwalasela ngononophelo izinto ezixoxwe ngasentla kunye nokubonisana neengcali zeshishini, unokwenza isigqibo esinolwazi kwaye ukhethe eyona crane ilungileyo kwiimfuno zakho ezithile.
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