Ukuthola ilungelo I-crane engaphezulu kwamathani angama-20 iyathengiswa kungaba umsebenzi oyinselele. Lo mhlahlandlela unikeza umbono obanzi wezinto okufanele uzicabangele, okusiza ukuthi wenze isinqumo unolwazi. Sizofaka izinhlobo ze-crane, imininingwane, intengo, ukunakekelwa, nokuningi. Funda ukuthi ungayithola kanjani i-crane ephelele ngezidingo zakho ezithile kanye nesabelomali.
Kunezinhlobo eziningana ze Ama-cranes angaphezu kwamathani angama-20 etholakalayo, ngayinye ilungele izinhlelo zokusebenza ezahlukene. Izinhlobo ezijwayelekile zifaka:
Okukhethwa kukho kuncike ekuhlelweni kwendawo yakho yokusebenza, ubude obudingekayo bokuphakamisa, kanye nemvelo yezinto eziphathwayo. Cabangela izici ezifana ne-headroom kanye nokuba khona kwezithiyo.
Ngaphambi kokuthenga a I-crane engaphezu kwamathani angama-20, buyekeza ngokucophelela le mininingwane elandelayo:
Ziningi izindlela ezikhona zokuthola a I-crane engaphezulu kwamathani angama-20 iyathengiswa:
Intengo ye-a I-crane engaphezu kwamathani angama-20 ziyahlukahluka kakhulu kuye ngezinto ezifana nohlobo, uhlobo, isimo (esisha noma esisetshenzisiwe), kanye nezici. Lindela ukutshala imali eningi, njengoba ama-cranes amasha ebiza kakhulu kunalawo asetshenzisiwe. Ukunakekelwa okuvamile kubalulekile ukuze kuqinisekiswe ukuphepha kanye nokwelula isikhathi sokuphila kwe-crane. Lokhu kuhlanganisa ukuhlolwa okuvamile, ukugcotshwa, nokushintshwa kwezingxenye njengoba kudingeka.
Ukusebenza a I-crane engaphezu kwamathani angama-20 kudinga ukubambelela ngokuqinile emithethweni yokuphepha. Ukuqeqeshwa okufanele kwabaqhubi kubaluleke kakhulu. Ukuhlolwa njalo nokunakekelwa kubalulekile ukuze kuvinjelwe izingozi nokuqinisekisa ukuthotshelwa kwezindinganiso zokuphepha zendawo.
| Isici | I-Crane A | I-Crane B |
|---|---|---|
| Amandla okuphakamisa | amathani angama-20 | amathani angama-20 |
| I-span | 20m | 25m |
| Uhlobo lwe-Hoist | Ugesi | Ugesi |
| Inani Elilinganiselwe | $XXX,XXX | $YYY,YYY |
Qaphela: Izintengo ziyizilinganiso futhi zingahluka kuye ngomkhiqizi kanye nokucaciswa okuthile. Xhumana nabakhiqizi ukuze uthole amanani anembile.
Khumbula njalo ukubeka phambili ukuphepha futhi uthintane nezingcweti zemboni lapho wenza isinqumo sokuthenga kwakho. Uhlelo olugcinwe kahle futhi olusebenza kahle I-crane engaphezu kwamathani angama-20 iyimpahla ebalulekile yanoma yisiphi isimo sezimboni.
eceleni>