Lo mhlahlandlela unikeza ukubuka konke okuningiliziwe ama-cranes wokwakha umbhoshongo wokwakha, ezihlanganisa izinhlobo zazo, izicelo, ukucatshangelwa kokuphepha, kanye nenqubo yokukhetha. Funda ngendima ebalulekile edlalwa yile mishini kumaphrojekthi wokwakha wesimanje nokuthi ungakhetha kanjani u-crane ofanele ngezidingo zakho ezithile. Sizohlola izici ezifana nokuphakamisa umthamo, ukufinyelela, kanye nezimfuneko zokusebenza.
Ama-cranes ama-Hammerhead awuhlobo oluvame kakhulu isakhiwo sokwakhiwa kombhoshongo crane. Zibonakala nge-jib yazo evundlile (i-boom) ene-counterweight ngemuva. Idizayini yabo ivumela umthamo omkhulu wokuphakamisa nokufinyelela okubanzi, okubenza balungele amaphrojekthi amakhulu wokwakha. Ziyaziwa ngokuguquguquka kwazo futhi zivame ukusetshenziswa ezakhiweni eziphakeme kanye nemiklamo yengqalasizinda. Imodeli ethile namandla azothonya kakhulu izici ezifana nentengo nokugcinwa.
Okhreni abashaya phezulu bazungeza sonke isakhiwo sawo esingaphezulu, okuhlanganisa i-jib ne-counterweight, endaweni ye-pivot emaphakathi phezulu kombhoshongo. Lokhu kulungiselelwa kulungele ngokukhethekile amaphrojekthi anendawo elinganiselwe, njengoba akudingi indawo evundlile njenge-crane ye-hammerhead. Zivame ukuthandwa ezindaweni zasemadolobheni lapho isikhala siphezulu kakhulu.
Okhrayini abazimisayo mancane, bahlangene ama-cranes wokwakha umbhoshongo wokwakha engamiswa futhi ihlakazwe ngaphandle kwesidingo se-crane enkulu. Lokhu kuwenza asebenze kahle kakhulu futhi angabizi kakhulu kumaphrojekthi amancane wokwakha. Ukuphatheka kwabo nokusebenziseka kalula kuyizinzuzo ezibalulekile.
I-Luffer cranes, eyaziwa nangokuthi i-luffing jib cranes, ine-jib engaphakanyiswa futhi yehliswe. Lokhu kuwenza afaneleke kahle amaphrojekthi lapho i-crane idinga ukufinyelela okuguquguqukayo, njengalapho isebenza ezindaweni ezivalekile noma eduze kwezithiyo.
Ukukhetha okulungile isakhiwo sokwakhiwa kombhoshongo crane ibalulekile empumelelweni yephrojekthi. Kunezici ezimbalwa ezibalulekile ezidinga ukucatshangelwa ngokucophelela:
Umthamo wokuphakamisa u-crane kufanele udlule umthwalo osinda kakhulu ozowuphatha, futhi ukufinyelela kwawo kufanele kudlulele kuzo zonke izindawo ezidingekayo zesizinda sokwakha. Ngaso sonke isikhathi cabangela izidingo zesikhathi esizayo ezingase zibe khona. Izilinganiso ezingalungile lapha zingaholela ekubambezelekeni okukhulu kanye nezindleko ezikhulayo.
Ubude obudingekayo be-crane kufanele bunele ukumboza zonke izitezi zesakhiwo. Imikhawulo yobude bendawo kanye nemithetho yethrafikhi yendiza nayo kufanele ibhekwe. Ukwehluleka ukuthobela le mithetho kungaholela ezinhlawulweni ezinkulu nasekubambezelekeni.
Isimo sendawo, imizila yokufinyelela, nengqalasizinda ezungezile kunomthelela ekukhethweni nasekubekweni kwama-crane. Cabangela izimo zaphansi, izithiyo ezingaba khona, kanye nesikhala esitholakalayo sokumiswa nokusebenza kwe-crane. Ungathola ukuthi ama-cranes athile afaneleka kakhulu ezinhlotsheni ezithile zomhlabathi.
Beka kuqala ama-cranes anezici zokuphepha ezithuthukisiwe, okuhlanganisa izikhombisi zemzuzu yokulayisha (ama-LMI), amasistimu okumelana nokushayisana, namabhuleki ezimo eziphuthumayo. Ukuhlolwa njalo nokunakekelwa kubalulekile ekuqinisekiseni ukuphepha okuqhubekayo.
Isebenza ama-cranes wokwakha umbhoshongo wokwakha kudinga ukubambelela ngokuqinile emithethweni yokuphepha kanye nezindlela ezihamba phambili. Ukuhlola okuvamile, ukuqeqeshwa kwabasebenzisi, kanye nokuhambisana nezindinganiso zemboni kubalulekile ukuze kuvinjelwe izingozi nokuqinisekisa ukuphepha kwabasebenzi nomphakathi.
Hlala uthintana nochwepheshe abaqeqeshiwe ukuze uqinisekise ukuthotshelwa kwayo yonke imithetho efanele. Ukunganaki izinqubo zokuphepha kungaholela emiphumeleni engathi sína, futhi kufanelekile ukuqaphela ukuthi amaphrimiyamu omshwalense angaba phezulu kakhulu ezinkampanini ezinomlando wezigameko zokuphepha.
Ukugcinwa njalo kubalulekile ukuze kuphile isikhathi eside nokusebenza okuphephile kwe ama-cranes wokwakha umbhoshongo wokwakha. Lokhu kuhlanganisa ukuhlolwa okuvamile, ukugcotshwa, nokulungiswa njengoba kudingeka. I-crane enakekelwa kahle izonciphisa isikhathi sokuphumula futhi inciphise ubungozi bezingozi.
| Uhlobo lwe-Crane | Amandla okuphakamisa | Finyelela | Ukufaneleka |
|---|---|---|---|
| I-Hammerhead | Phezulu | Okukhulu | Amaphrojekthi amakhulu |
| Top-slewing | Maphakathi | Maphakathi | Amasayithi anesikhala |
| Ukuzimisa | Phansi ukuya Okumaphakathi | Kuncane kuya Kumaphakathi | Amaphrojekthi amancane |
| I-Luffer | Maphakathi | Iyaguquguquka | Amaphrojekthi anezithiyo |
Ukuze uthole ulwazi olwengeziwe mayelana nemishini emikhulu nezixazululo zezidingo zakho zokwakha, vakashela I-Suizhou Haicang Automobile sales Co., LTD.
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