Esi sikhokelo sibanzi sikunceda ukuba ujonge imarike iicranes ezithengiswayo, equka yonke into ukusuka kwiintlobo kunye neenkcukacha zokuthenga iingcebiso kunye nokugcinwa. Siza kuphonononga iindlela ezahlukeneyo zecrane ukufumana izixhobo ezifanelekileyo kwiimfuno zakho ezithile kunye nohlahlo lwabiwo-mali. Nokuba uyinkampani yokwakha, ingcali yokudiliza, okanye umntu oneprojekthi eyodwa yokuphakamisa, esi sixhobo siya kukuxhobisa ukuba wenze isigqibo esinolwazi.
Ii-cranes zeTower zinde, zimisela oomatshini abadla ngokusetyenziswa kwiindawo ezinkulu zokwakha. Banikezela ngomgangatho ophezulu wokuphakamisa kunye nokufikelela, okwenza ukuba balungele izakhiwo eziphakamileyo kunye neeprojekthi zeziseko. Qwalasela izinto ezinje ngowona mthamo uphakamileyo wecrane wokuphakamisa, ubude bejib, kunye nokuphakama okuzimeleyo xa ukhetha i tower crane. Iimodeli ezahlukeneyo ziyafumaneka kubavelisi abahlukeneyo, nganye inenkcazo kunye neempawu zayo. Umzekelo, uLiebherr kunye nePotain ziibrendi ezaziwayo-kakuhle ezibonelela ngoluhlu olubanzi lweekhreyini zetower kwizicelo ezahlukeneyo.
Iselula iicranes ezithengiswayo zibonelela ngezinto ezininzi ezingenakuthelekiswa nanto. Ukukwazi kwabo ukuhamba ngokulula phakathi kweendawo zemisebenzi kubenza babe lukhetho oludumileyo kwizicelo ezahlukeneyo. Ezi zisusela kwiikhreyini ezincinci ze-terrain ezilungele iiprojekthi ezincinci ukuya kwiikhreyini ezinkulu zomhlaba ezirhabaxa ezikwaziyo ukuphakamisa imithwalo enzima kakhulu. Xa ukhetha i-crane ehambayo, qwalasela izinto ezifana nomhlaba oza kusebenza kuwo, umthamo wokuphakamisa ofunekayo, kunye nokuhamba okufunekayo kwiiprojekthi zakho ezithile. Jonga iimveliso ezifana neGrove kunye neTerex kwiinketho ezithembekileyo neziphezulu.
Iikhreyini ezingaphezulu ziqhele ukufunyanwa kwimizi-mveliso nakwindawo zokugcina iimpahla. Ezi cranes zibaleka kwimizila kwaye zisetyenziselwa ukuhambisa izinto ezinzima ngaphakathi kwendawo ethile. Ukukhetha ikhreyini engaphezulu echanekileyo kubandakanya ukumisela umthamo ofanelekileyo womthwalo, ubude bexesha, kunye nokuphakama kokuphakama ukuze kuhambelane neemfuno zoncedo lwakho. Abavelisi abaninzi babonelela ngezisombululo ezilungiselelwe iimfuno zomntu ngamnye.
Ngaphandle kweentlobo ezintathu eziphambili, ezinye iicranes ezithengiswayo zibandakanya: i-boom cranes ezichazayo (ubuchule obugqwesileyo bokuhamba kwiindawo ezixineneyo), iikhreyini zokukhasa (ezifanele ukunyuswa okunzima kumhlaba ongalinganiyo), kunye ne-knuckle boom cranes (ezinokuninzi kwizicelo ezahlukeneyo). Olona hlobo lulungileyo luya kuxhomekeka kakhulu kwiimfuno zakho ezithile kunye nohlahlo lwabiwo-mali. Unokufumana zonke iintlobo zeekhreyini kunye nezinye izixhobo zokwakha Apha.
Ukuthenga i-crane lutyalo-mali olubalulekileyo. Zivavanye ngokucokisekileyo iimfuno zakho phambi kokuba uthenge. Iingqwalasela eziphambili ziquka:
Ungafumana iicranes ezithengiswayo ngeendlela ezahlukeneyo:
Ukugcinwa rhoqo kubalulekile kubomi obude kunye nokusebenza ngokukhuselekileyo kwayo nayiphi na i-crane. Ngalo lonke ixesha ulandela iingcebiso zomenzi malunga nokugcinwa kunye nokuhlolwa. Iinkqubo ezifanelekileyo zokhuseleko kufuneka zihlale zilandelwa ngabasebenzi abaqeqeshiweyo. Ukutyeshela ulungiso kunokukhokelela ekulungisweni okuxabisa imali eninzi nakwiingozi ezinokubakho zokhuseleko.
Ukukhetha i-crane efanelekileyo kuxhomekeke kwizinto ezahlukeneyo. Ukuqwalaselwa ngononophelo kwiimfuno zakho ezithile, uhlahlo lwabiwo-mali, kunye nokusingqongileyo okusebenzayo kuya kuqinisekisa ukuba ukhetha eyona crane ifanelekileyo yeprojekthi yakho. Hlala ubeka phambili ukhuseleko kunye neendlela ezifanelekileyo zokulondoloza.
| Uhlobo lweCrane | Isicelo esifanelekileyo | IiPros | Ububi |
|---|---|---|---|
| Tower Crane | Ukwakhiwa okuphezulu | Ukufikelela okuphezulu, umthamo ophezulu | Ukuhamba okulinganiselweyo |
| I-Mobile Crane | Izicelo ezahlukeneyo, iindawo ezahlukeneyo | Izinto ezininzi, eziphathwayo | Ufikelelo olusezantsi kune-tower cranes |
| Umphezulu weCrane | Iindawo zokugcina iimpahla, iifektri | Ukuphatha izinto ezifanelekileyo ngaphakathi kwendawo echaziweyo | Ukuhamba okulinganiselweyo ngaphandle kweengoma |
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