Lo mhlahlandlela ophelele uyahlola ama-cranes e-davit, ehlanganisa ukusebenza kwawo, izicelo, ukucatshangelwa kokuphepha, kanye nemibandela yokukhetha. Sizocubungula imininingwane ehlukahlukene i-davit crane amamodeli, akunikeza imininingwane ezokusiza wenze izinqumo ezinolwazi ngezidingo zakho zokuphakamisa. Funda mayelana nezinzuzo zokukhetha a i-davit crane futhi uthole ukuthi la mathuluzi anamandla kodwa ahlukahlukene angathuthukisa kanjani ukusebenza kwakho.
Khona-ke udavit cranes ziwuhlobo lwe-crane eklanyelwe ukuphakamisa nokwehlisa imithwalo, ngokuvamile ezindaweni ezivalekile noma lapho ukuqondiswa kubaluleke khona. Zaziwa ngokuklama kwazo okuhlangene, ukusebenziseka kalula, namandla okuphakamisa aphezulu uma kuqhathaniswa nosayizi wazo. Lawa ma-cranes ngokuvamile afaka ingalo ejikelezayo (i-davit) esukela kusisekelo esigxilile, okuvumela ukunyakaza okubanzi ngaphakathi kweradius yabo yokusebenza. I-Thern, umkhiqizi ohamba phambili wemishini yokuphakamisa, inikeza uhlu olubanzi lwe ama-cranes e-davit ukuhlangabezana nezidingo zezimboni ezihlukahlukene. Amamodeli amaningi afakwa kalula futhi ahlanganiswe ezakhiweni ezikhona.
I-Thern knuckle boom davit cranes zinikeza ukuguquguquka okukhethekile ngenxa yomklamo wazo we-boom oshiwo. Lokhu kuvumela ukuma okunembile komthwalo, ngisho nasezindaweni ezingajwayelekile. Ikhono lazo lokufinyelela eduze kwezithiyo lizenza zilungele izinhlelo zokusebenza ezihlukahlukene. Zivame ukuthandwa ngenxa yezinyathelo zazo ezihlangene.
I-Thern telescopic boom davit cranes ifaka i-boom enwebekayo futhi ihoxise, inikeze ukufinyelela okulungisekayo kanye namandla okuphakamisa. Lokhu kubenza bazivumelanise nezimo ezihlukahlukene zezidingo zomsebenzi. Lawa ma-cranes avame ukuziqhayisa ngokuphakamisa amandla aphezulu kunamamodeli we-knuckle boom, alungele imithwalo esindayo. Ukukhetha phakathi kwalezi zinhlobo kuncike kakhulu esisindweni esithile kanye nezidingo zokufinyeleleka zephrojekthi.
Khona-ke udavit cranes ayatholakala kuzo zombili izinhlobo zemanuwali nezikagesi. Okhreni abasebenzisa ngesandla ngokuvamile basebenzisa ama-crank esandla ukuze baphakamise futhi behlise, kuyilapho ama-cranes kagesi esebenzisa amamotho nezilawuli ukuze asebenze ngokushelela, nangempumelelo kakhudlwana. Ukukhetha phakathi kokwenziwa ngesandla nogesi kuncike ezintweni ezifana nesisindo semithwalo ephakanyiswayo, imvamisa yokusetshenziswa, kanye nezinga elifiswayo lokuzenzekelayo. Amamodeli kagesi anciphisa kakhulu ukukhathala komsebenzisi ezinhlelweni zevolumu ephezulu.
Ukukhetha ezifanele i-davit crane kuhilela ukucabangela ngokucophelela izici ezimbalwa:
Ukuphepha kubaluleke kakhulu uma usebenzisa noma yikuphi i-davit crane. Hlala unamathela eziqondisweni zomkhiqizi kanye nemithetho efanele yokuphepha. Ukuhlolwa okuvamile, ukuqeqeshwa okufanele kwabaqhubi, kanye nokusetshenziswa kwezinto ezifanele zokuzivikela (i-PPE) kubalulekile.
Khona-ke udavit cranes thola izinhlelo zokusebenza kuzo zonke izimboni ezihlukahlukene, okuhlanganisa:
Okwekhwalithi ephezulu ama-cranes e-davit kanye nesiqondiso sochwepheshe, cabangela ukuxhumana nabahlinzeki abathembekile. Ngokukhethwa okubanzi nezintengo ezincintisanayo, hlola izinketho ezifana nalezo ezitholakalayo I-Hitruckmall. Banikeza uhla lwemishini ukuze ihambisane nezidingo ezahlukahlukene futhi inikeze ukusekelwa okuhle kakhulu kwamakhasimende. Khumbula njalo ukuqhathanisa izintengo nezici ngaphambi kokwenza isinqumo sokuthenga.
| Isici | I-Knuckle Boom | I-Telescopic Boom |
|---|---|---|
| Ukuvumelana nezimo | Kuhle kakhulu | Kuhle |
| Finyelela | Kuphakathi | Okukhulu |
| Amandla okuphakamisa | Kuphakathi | Phezulu |
Khumbula ukuthi uhlale uthintana nochwepheshe oqeqeshiwe ukuze uthole iseluleko mayelana nezicelo ezithile kanye nezidingo zokuphepha.
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