Amapharamitha Amane Ayinhloko Omshini Wezikebhe Zasolwandle

I-Marine Cranes ziyimishini ebalulekile embonini yezolwandle, esetshenziswa kabanzi ekuphatheni imithwalo, ekuhlinzekeni kabusha ogwini lolwandle, ekulungisweni kwemikhumbi, ekutakuleni nasekusindiseni olwandle, kanye nezinye izimo zokusebenza kolwandle. Ukuphepha kokusebenza kwazo, ukuzinza kanye nokusebenza kahle kunquma ngqo impumelelo yokusebenza kolwandle, futhi kusebenza njengesiqinisekiso esibalulekile sokuphepha kwabasebenzi, impahla yomkhumbi kanye nokusebenza kahle kwendalo yolwandle. Emibhalweni yobuchwepheshe yama-crane olwandle, umzuzu wokugumbuqela, umzuzu wokushelela, amandla aqondile kanye namandla avundlile kuyimingcele emine eyinhloko yemishini, echaza ndawonye umthamo womthwalo, ububanzi bokusebenza kanye nomngcele wokuphepha wama-crane.

Njengebhizinisi elihamba phambili embonini yemishini yokuphakamisa izinto zasolwandle emhlabeni jikelele, i-MAXTECH iwuhlakulele ngokujulile lo mkhakha iminyaka eminingi. Ngokulawula okunembile amapharamitha amane ayisisekelo omshini, amakhono e-R&D athuthukile kanye nezindinganiso zokukhiqiza eziqinile, imikhiqizo yethu ye-marine crane ithole izitifiketi eziningi ezigunyaziwe kufaka phakathi i-ABS, i-BV, i-CCS kanye ne-CE. Imishini yethu isetshenziswa kabanzi emikhunjini yeziqukathi, ezithwalini ezinkulu, emikhunjini yokuhlinzeka, emikhunjini yokuhamba ngesikebhe, emikhunjini yokutakula kanye nakwezinye izinkundla zasolwandle, iletha izixazululo eziphephile, ezisebenzayo nezithembekile zemisebenzi yasolwandle yomhlaba wonke.

1. Ukuhlaziywa Kwezimo Eziyinhloko Zemishini: Itshe Legumbi Lemishini Yama-Marine Cranes

Ama-crane asemanzini asebenza ezimweni zolwandle ezinzima neziguquguqukayo, ebhekene nezimo zokusebenza eziyinkimbinkimbi njengesithende somkhumbi kanye nokuhlobisa, umthelela wamagagasi kanye nokuphazamiseka komoya. Amapharamitha amane ayinhloko omshini ayasebenzisana futhi ayancintisana, akha isisekelo esiyisisekelo sokuklama ama-crane, ukukhiqiza kanye nokusebenza kanye nokugcinwa kwawo, kanye nemfuneko eyinhloko yokuphepha kokusebenza. Okulandelayo ukuhlaziywa kobuchwepheshe okuningiliziwe kwamapharamitha amane ahlanganiswe nezimo zokusebenza zasemanzini ezisebenzayo.

(1) Isikhathi Sokujika: Umzila Wokuphepha Kwezinqola

Umzuzu wokugumbuqela ubhekisela kumzuzu okhiqizwa yimithwalo yangaphandle kanye nezici ezahlukahlukene zemvelo ngesikhathi sokusebenza kwe-crane, okuvame ukwenza i-crane iphenduke izungeze iphuzu lokugoba (ngokuvamile umkhawulo wokusekelwa kwesisekelo se-crane), ngeyunithi ye-kN·m.

Ifomula yokubala eyinhloko:

Isikhathi Sokugumbuqela = Isikhathi sokugumbuqela ingxenye esibangelwa umthwalo + umzuzu womthwalo womoya + umzuzu owengeziwe obangelwa isithende somkhumbi kanye nokusika.

Isikhathi sokujika esibangelwa umthwalo sinqunywa umkhiqizo womthwalo wokuphakamisa, isisindo segiya lokuphakamisa kanye nerediyasi yokusebenza. Irediyasi yokusebenza enkulu kanye nomthwalo wokuphakamisa osindayo kuzoholela esikhathini sokujika esiphezulu.

Emisebenzini yasolwandle, isithende somkhumbi (esiphezulu esingu-5°) kanye nokusika (esiphezulu esingu-2°) kuzokwandisa kakhulu isikhathi sokujika. Njengomthwalo ongazinzile, amandla omoya andisa kakhulu izingozi zokujika. Ikakhulukazi ngaphansi kwamandla omoya angaphezu kweBeaufort Scale 4, umthwalo womoya osebenza ku-boom kanye nempahla emisiwe uzodala isikhathi esengeziwe sokujika, okubeka usongo olukhulu ekuphepheni kwe-crane.

I-MAXTECH ifinyelela ekulawuleni okuhamba phambili embonini kwesikhathi sokugumbuqela ekwakhiweni kwe-crane yasolwandle. Yonke imikhiqizo yakhiwe ngokuhambisana ne-API Spec 2C-2004 Code for Offshore Platform Cranes, i-CCS Code for Lifting Appliances on Ships and Offshore Installations kanye nezinye izindinganiso zasekhaya nezamazwe ngamazwe. Ngokwamukela ukuhlaziywa kwezinto ezilinganiselwe, sibala ngokunembile isikhathi sokugumbuqela ngaphansi kwezimo zokusebenza ezahlukahlukene ngemisebe yokusebenza ehlukene, imithwalo kanye nezimo zasolwandle. Ngokwenza ngcono isakhiwo sokusekela isisekelo kanye nomklamo wesigaba se-boom, kanye nokusebenzisa insimbi enamandla aphezulu kanye nensimbi engagqwali yezingxenye ezibalulekile, sithuthukisa kakhulu ukusebenza okujwayelekile kokulwa nokugumbuqela kwama-crane asolwandle.

(2) Isikhathi Sokushelela: I-Power Core Yokusebenza Okuguquguqukayo

Umzuzu wokushefa yi-torque eqhuba indlela yokushefa ye-crane (i-turntable, i-slewing bearing, i-driving motor/hydraulic motor) ukuze ijikeleze isikhungo sokushefa, esilinganiswa nge-kN·m. Inani layo linquma ngqo ukuzinza, isivinini sokuphendula kanye nomthamo womthwalo wokunyakaza kokushefa kwe-crane.

Ukubalwa kwesikhathi sokusika kubheka ngokuphelele umthwalo ongavamile wempahla emisiwe, ukumelana nokungqubuzana kokusika, ukumelana okwengeziwe okubangelwa umthwalo womoya nezinye izici. Isimiso esiyinhloko sokuklama ukuthi isikhathi sokusika sokushayela kufanele sibe sikhulu noma silingane nesikhathi sokumelana okuphelele, ukuze kuqinisekiswe ukuthi ukusika okuguquguqukayo nokuzinzile ngaphandle kokuma noma ukushayisana.

Indlela yokuthunga iyisihluthulelo sokuthuthwa kwempahla okuvundlile kwama-crane asolwandle, futhi ukuzinza kwesikhathi sokuthunga kuthinta ngqo ukusebenza kahle. Emisebenzini yokuthunga evame kakhulu njengokulayisha nokukhipha impahla esitsheni kanye nokuthuthwa kwempahla ngobuningi, ukufana kanye nokulungiswa kwesikhathi sokuthunga kuthuthukisa ngempumelelo umjikelezo wokusebenza, kunciphisa ukujikijelwa kwempahla, futhi kuvimbele umonakalo wempahla kanye nokwehluleka kwemishini okubangelwa umthelela wokuthunga.

Izuza ekuqongeleleni okujulile kobuchwepheshe ezinhlelweni zokushayela ze-electro-hydraulic, i-MAXTECH iqaphela ukulawulwa okunembile nokuhlakaniphile kwesikhathi sokushefa. Ama-crane ethu asolwandle afakwe ama-motor e-hydraulic enziwe ngokwezifiso kanye nama-reducer eplanethi, ahambisana nezinhlelo zokulawula i-hydraulic ezithuthukisiwe. Isikhathi sokushefa singalungiswa ngokuzenzakalelayo ngokuya ngezimo zokusebenza njengesisindo somthwalo kanye nesivinini sokushefa, ukuqinisekisa ukunyakaza kokushefa okuzinzile nokunembile ngesivinini sokuphendula esingaphezu kuka-40% kunemishini yendabuko.

(3) Amandla Aqondile: Isibonakaliso Esiyinhloko Somthamo Wokuthwala Umthwalo

Amandla aqondile abhekisela kumthwalo oqondile othwalwa yi-crane ngesikhathi sokusebenza, ikakhulukazi okuhlanganisa isisindo sempahla ephakanyisiwe, isisindo segiya lokuphakamisa, isisindo se-crane sokwakheka, kanye nomthwalo oguqukayo okhiqizwa ngesikhathi sokupholisa nokuphakamisa (umthwalo owengeziwe obangelwa ukusheshisa kokuphakamisa), ngeyunithi ye-kN.

Njengesisekelo esiyinhloko sokuklama kwesakhiwo kanye nokukhethwa kwezingxenye, amandla aqondile anquma ngqo amandla okuphakamisa alinganiselwe ama-crane. Izingxenye ezibalulekile ezifaka isisekelo se-crane, i-boom, izintambo zensimbi kanye namabhulokhi e-pulley konke kuklanyelwe amandla asekelwe emandleni aphezulu aqondile, ukugwema ukuguquka kwepulasitiki, ukuphuka kanye nezinye iziphambeko ngaphansi komthwalo olinganiselwe kanye nomthwalo oguqukayo.

Amandla aqondile ayashintshashintsha kakhulu ezimweni zokusebenza zasolwandle: ukusheshisa ngesikhathi sokuphakamisa nokwehlisa kukhiqiza imithwalo enamandla futhi kwandisa amandla aqondile; ukunyakaza komkhumbi okuhambayo nakho kubangela izinguquko eziqhubekayo zamandla aqondile, okuholela ekuthintekeni okuphindaphindiwe esakhiweni se-crane.

I-MAXTECH ikhombisa amandla obuchwepheshe avelele ekulawuleni amandla aqondile. Ngobuchwepheshe obuthuthukisiwe bokumodela obunamandla, sibala ngokunembile imithwalo eguquguqukayo kanye nokuguquguquka kwamandla aqondile ngesikhathi sokuphakamisa, futhi sithuthukise ukukhethwa kanye nokwakheka kwezingxenye eziyinhloko ezifana nama-boom nezintambo zensimbi.

(4) Amandla Avundlile: Inselele Efihliwe Yokuzinza Kwesakhiwo

Amandla avundlile umthwalo ovundlile osebenza ku-crane, ikakhulukazi ovela kumthwalo womoya, ukujikijela okuvundlile kwempahla emisiwe, ukunyakazisa nokwenyuka komkhumbi, kanye namandla angenawo amandla akhiqizwa ukufutha kwe-crane nokunyakaza kwe-slewing, okukalwa nge-kN.

Nakuba amandla avundlile enganqumi ngokuqondile amandla okuphakamisa, anomthelela obalulekile ekuzinzeni kwesakhiwo, ukuqina kwesisekelo kanye nokucindezeleka kwe-boom. Isenzo esiqhubekayo sesikhathi eside samandla avundlile singaholela ekugobeni kwe-boom, ukukhululeka kwesisekelo, ukuguguleka kwamabhere ngisho nezingozi ezinkulu zokuphepha.

Ezindaweni eziyinkimbinkimbi zasolwandle, amandla avundlile abonisa ukungaqiniseki okukhulu: izinguquko zesikhathi sangempela esivinini somoya kanye nesiqondiso zikhiqiza amandla okushaya avundlile angajwayelekile; ukushukuma komkhumbi nokukhuphuka kwawo kuqhuba i-crane ukuba ihambe ngokuvundlile futhi ikhiqize amandla avundlile angenawo amandla; ukujikijela okuvundlile kwempahla elengayo kwandisa amandla avundlile, ikakhulukazi ekusebenzeni okuphezulu kanye nezimo zomoya ezinamandla.

Iqondiswe ezicini zamandla avundlile ezimweni zasolwandle, i-MAXTECH isebenzisa imiklamo eminingi yokuvikela ukuze ithuthukise kakhulu ukumelana kwamandla avundlile kwama-crane. Okokuqala, isakhiwo se-boom esilungiselelwe kahle sinciphisa amandla avundlile abangelwa umthwalo womoya, futhi siqinisa ukusebenza kokulwa nokugoba kanye nokulwa nokugoba ukuze simelane nomthelela ovundlile.

1. Ukuhlanganiswa Kwamapharamitha Amane kanye Nezinzuzo Zobuchwepheshe Eziyinhloko ze-MAXTECH

Umzuzu wokugumbuqela, umzuzu wokushefa, amandla aqondile kanye namandla avundlile akuzimele kodwa kuxhumene futhi kuhlanganiswe, kunquma ukusebenza okuphelele kwama-crane asolwandle.

• Amandla aqondile asebenza njengesisekelo, echaza umkhawulo ophezulu womthamo womthwalo;
• Isikhathi sokugumbuqela sisebenza njengomgomo wokuphepha, sinciphisa ukulingana kwerediyasi yokusebenza kanye nomthwalo wokuphakamisa;
• Isikhathi sokuslewing sinikeza isiqinisekiso samandla sokuguquguquka nokusebenza kahle;
• Amandla avundlile ayisici esiyingozi esifihliwe esithinta ukuzinza kwesakhiwo kanye nokuphila kwenkonzo.

Kuphela ngokuhambisana okunembile nokulawula okuhlelekile kwamapharamitha amane lapho ama-crane angafinyelela khona ukusebenza okuphephile, okuphumelelayo nokuzinzile ngaphansi kwezimo zokusebenza zasemanzini ezinzima.

Njengomkhiqizi ochwepheshe wama-crane olwandle omhlaba wonke, i-MAXTECH ithatha amapharamitha amane ayisisekelo omshini njengesisekelo somklamo womkhiqizo, futhi ihlanganisa ubuchwepheshe obuthuthukisiwe bokulingisa imodeli, izinqubo zokukhiqiza eziyinkimbinkimbi kanye nezinhlelo zokulawula ezihlakaniphile ukuze kwakheke izinzuzo zobuchwepheshe ezihlukile:

• Ukumodela Nokulingisa Okunembile: Ukuhlaziywa kwe-Finite element kwamukelwa ukuze kuqashwe ngokunembile izinguquko zamapharamitha amane ngaphansi kwezimo zokusebenza eziningi, kususwe izingozi ezingaba khona zokuklama futhi kuqinisekiswe ukusebenza kwemishini okuhambisanayo.
• Izindinganiso Zokukhiqiza Eziqinile: Izingxenye ezibalulekile zenziwe ngensimbi enamandla kakhulu kanye nensimbi engagqwali enokwelashwa okukhethekile kokulwa nokugqwala, okuzivumelanisa nezimo zasolwandle ezimbi kakhulu. Yonke imikhiqizo ihlolwa ngokuqinile ngokwezinga lomhlaba wonke ukuqinisekisa ukunemba kokulawulwa kwamapharamitha nokunciphisa kakhulu amazinga okuhluleka.
• Uhlelo Lokulawula Oluhlakaniphile: Luhlonyiswe ngohlelo lokuqapha amapharamitha ngesikhathi sangempela ukuze lulungise ngokuzenzakalelayo isimo sokusebenza, lubone ukugumbuqela isexwayiso sangaphambi kwesikhathi, ukulawulwa kwesikhathi okuguquguqukayo kanye nokuvimbela ukumelana nomoya, luthuthukise ukuphepha nokusebenza kahle kokusebenza, ngokusekelwa kobuchwepheshe bochwepheshe amahora angama-24 ngosuku, izinsuku eziyi-7 ngesonto.
• Izixazululo Ezenziwe Ngokwezifiso: Ukwakheka kwe-crane okuklanyelwe kanye nokwenza ngcono amapharamitha kuyatholakala ezinhlotsheni ezahlukene zemikhumbi kanye nezimo zokusebenza, kuthuthukisa ukufana kwamapharamitha amane omshini ukuze kuhlangatshezwane nezidingo zamakhasimende ezenzelwe wena.

Isiphetho

Njengemingcele eyinhloko yemishini yama-crane asolwandle, umzuzu wokugumbuqela, umzuzu wokushefa, amandla aqondile kanye namandla avundlile kuyizinto eziyisisekelo zokuklama imishini, ukukhiqiza kanye nokugcinwa kwayo, kanye nesiqinisekiso esiyinhloko sokuphepha kokusebenza kolwandle. Ezindaweni zasolwandle eziyinkimbinkimbi nezishintshashintshayo, ukuhlanganiswa okunembile nokulawula amapharamitha amane kubalulekile ukuze kufezwe ukusebenza okuphephile, okuphumelelayo nokuzinzile kwesikhathi eside kwama-crane asolwandle.

Njengoba iminyaka eminingi yokuzibandakanya ngokujulile embonini ye-crane yasolwandle, i-MAXTECH inamathela ekusungulweni kwezobuchwepheshe kanye nentuthuko egxile ekhwalithini. Sithembele ekulawulweni okunembile kwamapharamitha, ikhono elizimele le-R&D kanye nokuphathwa kwekhwalithi okuqinile, sinikeza imishini yokuphakamisa yasolwandle esezingeni eliphezulu kanye nezixazululo ezenziwe ngokwezifiso zemboni yezolwandle yomhlaba wonke.

Kusukela ekuphathweni kwemithwalo esebenza kahle kakhulu ezindaweni zokugcina izitsha kanye nokunikezwa kabusha kwezinto eziphephile zasolwandle kuya ekutakulweni okuphuthumayo kwasolwandle, ama-crane asolwandle e-MAXTECH anikeza ukusebenza okuphezulu kanye nekhwalithi ethembekile ngaso sonke isikhathi. Sihlala siqinisa intuthuko yekhwalithi ephezulu yemboni yezolwandle yomhlaba wonke futhi silwela ukuba ngumlingani othembekile kakhulu emkhakheni wobunjiniyela basolwandle.