abahleli bakrane zomkhosi wokuphakama
Abakhiqizi bamakhrayoni aphezulu bamelela ingxenye ebalulekile yomkhakha wezinto ezisetshenziswayo zezimboni, abakhethekile ekwakhiweni, ekukhiqizweni nasekufakweni kwezinhlelo zokuphakamisa ezisebenza ngaphezu komhlabathi. Lezi zinkampani ezikhethekile zigxile ekwakheni izixazululo eziqinile zokuphatha izinto ezihambisa imithwalo esindayo ngokujwayelekile emigwaqweni ngenkathi zinikeza amandla okuphakamisa ngokuqondile. Umsebenzi oyinhloko wabakhiqizi bamakhrayoni aphezulu kuhilela ukuklama imishini yokuphakamisa eyinkimbinkimbi ehlanganisa amakhrayoni ebhuloho, amakhrayoni e-gantry, amakhrayoni e-jib, nezinhlelo ze-monorail. Laba bakhiqizi bahlanganisa ubuchwepheshe obuthuthukisiwe njengama-drives ama-variable frequency, izinhlelo zokuqapha umthwalo, ukulawula ukubekwa endaweni ngokunembile, namakhono okusebenza kude okungenantambo kumiklamo yabo yamakhrayoni. Ubuchwepheshe babo buhlanganisa ukubalwa komthwalo okwenziwa nge-computer, ukuhlaziywa kwezinto eziphelile ukuze kutholakale ukuthi izakhiwo azinankinga, kanye nokusetshenziswa kwezinhlelo zokuphepha ezihlanganisa ukuvikelwa kokugcwala ngokweqile, ukumiswa okuphuthumayo, kanye nezinqubo zokugwema ukushayisana. Inqubo yokukhiqiza ihilela izinyathelo eziqinile zokulawula ikhwalithi, ukuhambisana namazinga okuphepha aphesheya njenge-OSHA, ANSI, nezidingo zokumaka i-CE. Izicelo zemikhiqizo evela kubakhiqizi bamakhrayoni aphezulu zihlanganisa izimboni ezihlukahlukene kuhlanganise nezinsimbi, izitshalo zezimoto, izitshalo zemikhumbi, izindlu zokugcina izimpahla, izikhungo zokukhiqiza ugesi nezindawo zokwakha. Laba bakhiqizi futhi banikeza izinsizakalo eziphelele ezihlanganisa ukuhlola indawo, izixazululo zobunjiniyela ezenziwe ngezifiso, ukubhekwa kokufakwa, izinhlelo zokuqeqesha opharetha, nokusekelwa kokuqhubeka nokugcinwa. Abakhiqizi bamakhrayoni anamuhla basebenzisa isofthiwe yokwakha enikwa amandla yikhompyutha, izinqubo zokuwelda ezizenzakalelayo, kanye nemishini eqondile ukuze baqinisekise ikhwalithi yomkhiqizo engaguquguquki. Ngokuvamile bagcina izikhungo zokuhlola ezibanzi lapho ama-crane aqediwe evivinywa khona umthwalo, kuqinisekiswa ukusebenza, futhi kuqinisekiswe uhlelo lokuphepha ngaphambi kokulethwa. Le mboni iyaqhubeka nokuthuthuka ngobuchwepheshe bama-crane ahlakaniphile, amandla okulungisa okuqagelayo, nokuhlanganiswa nezinhlelo zokuphathwa kwezikhungo, okubeka abakhiqizi bama-crane aphezulu phambili ekuzenzekelayo kwezimboni nasekuthuthukiseni ukusebenza kahle.