Labarai

A cikin yanayin aiki mai ƙarfi na tashoshin kwantena na zamani, kayan aikin ɗaga kaya masu nauyi kamar su cranes na Ship-to-Shore (STS) da cranes na Rubber-Tired Gantry (RTG) suna kula da manyan abubuwan da ke shigowa da kaya kowace rana. A cikin waɗannan tsarin masu rikitarwa, kebul masu bin diddigi da kebul na juyawa suna aiki a matsayin mahimman hanyoyin rayuwa - suna aiki ba kawai a matsayin manyan hanyoyin wutar lantarki ba har ma a matsayin hanyar sadarwa ta siginar sarrafawa daidai.

Duk da haka, kebul na musamman abubuwa ne na yau da kullun da ke lalacewa da tsagewa. Bayan miliyoyin lanƙwasawa, shimfiɗawa, da jujjuyawar, daga ƙarshe sun kai ga iyakar tsufa na rufin da gajiyar na'urar sarrafa ƙarfe. Lokacin da maye gurbin ya zama dole, ƙungiyoyin gyara da injiniyan tashar jiragen ruwa galibi suna fuskantar matsala: siyayya kai tsaye a ƙarƙashin Mai ƙera Kayan Aiki na Asali Lambobin sassan galibi suna shafar kasafin kuɗi mai yawa na siye da kuma tsawaita lokacin jagora. Akasin haka, samun kebul na kasuwanci na yau da kullun yana haifar da gazawar da wuri, karyewar core, ko lokacin hutu ba zato ba tsammani saboda rashin daidaiton sigogi.

Rabuwa daga dogaro da tashar guda ɗaya ba ya buƙatar sadaukar da aminci. Ta hanyar daidaita wasu mahimman sigogin fasaha, injiniyoyin tashar jiragen ruwa za su iya samo hanyoyin da suka dace daidai waɗanda ke ba da aiki daidai ko mafi kyau cikin sauƙi.

A cikin ayyukan ɗagawa, kayan aiki, da sarrafa kayan aiki na masana'antu, zaɓar kayan aiki da suka dace a ƙarƙashin ƙugiya yana da matuƙar muhimmanci wajen tabbatar da amincin ma'aikata, hana lalacewar kaya, da kuma inganta lokutan zagayowar crane. Amfani da na'urar ɗagawa mara kyau na iya haifar da ƙarfin lanƙwasawa ba tare da niyya ba, haifar da rashin kwanciyar hankali a tsarin, ko haifar da gazawa mai tsanani.

Na'urorin ɗagawa a ƙasan ƙugiya sun faɗi cikin manyan rukuni biyu na tsarin gini: Bishiyoyin Yaɗawa kuma Firam ɗin ɗagawa da kuma shimfidawaFahimtar ƙa'idodin injinansu, yanayin aikace-aikacensu, da zaɓuɓɓukan keɓancewa yana da mahimmanci ga injiniyoyi, manajojin sayayya, da jami'an tsaro.

A kowace lokacin guguwa, manyan kayan ɗagawa a tashoshin jiragen ruwa da tashoshin jiragen ruwa suna fuskantar ƙalubale masu tsanani. Kebulan da ke hana iska - wanda kuma aka sani da kebul na iska ko kebul na juriya ga iska - suna aiki a matsayin muhimman na'urorin tsaro ga kekunan a lokutan da ba sa aiki. Duk da cewa suna iya zama kamar masu sauƙi - "kawai igiyar waya ta ƙarfe mai haɗin haɗi biyu" - kebul mai hana iska mai kyau yana kare kayan aiki masu darajar miliyoyin daloli. Zaɓi mai kyau, kuma kekunan ku suna kasancewa lafiya lokacin da guguwa ta afka. Zaɓi mara kyau, kuma kuna iya samun kebul ɗinku ya lalace lokacin da kuke buƙatarsa ​​sosai.

Yawancin ƙungiyoyin sayayya suna mai da hankali ne kawai kan farashi da kuma "ko yana aiki" yayin neman kebul masu hana iska, suna yin watsi da muhimman bayanai kamar ingancin kayan aiki, ƙwarewar masana'antu, da abubuwan da suka shafi aminci. A cikin wannan jagorar, TSF ta bayyana duk abin da kuke buƙatar sani game da zaɓar kebul masu hana iska don cranes na tashar jiragen ruwa.

A cikin busassun tashoshi da sarƙoƙin jigilar kayayyaki na tashar jiragen ruwa, Ingancin fitarwa da saukar da kaya (TPH - Tan a kowace awa) yana sarrafa yadda ake fitar da kayayyaki ta tashar jiragen ruwa kai tsaye, sarrafa rushewar jiragen ruwa, da kuma jimlar kuɗin aiki. A matsayin babban tashar kamawa don crane na portal slewing, crane na jiragen ruwa, da na'urorin sauke kaya na gada (GSU), zaɓin kimiyya na bokitin kamawa shine babban wurin amfani da wutar lantarki don haɓaka yawan aiki na tashar jiragen ruwa.

Fuskantar kayan da suka ƙunshi abubuwa masu yawa waɗanda ke da halaye daban-daban na zahiri—kamar ƙarfe, kwal, hatsi, clinker na siminti, da kuma tarawa—wannan labarin yana nazarin sharuɗɗan zaɓi don kama-karya ta injina, kama-karya ta hydraulic, da kama-karya ta sarrafa rediyo bisa ga kayan aiki da kuma zagayowar aikin crane (ƙungiyoyin aiki na ISO/FEM), yayin da suke samar da dabarun haɓaka inganci mai ƙima.

A cikin ayyukan tashar jiragen ruwa masu ƙarfi da manyan tashoshi, ingancin kayan aiki kai tsaye yana nuna yawan samar da kayayyaki. Duk da haka, kiyaye kadarorin sarrafa kayayyaki masu nauyi - kamar su cranes na Ship-to-Shore (STS), cranes na portal gantry, kamawa, da na'urorin sauke kaya - yana gabatar da babban ƙalubalen kuɗi, galibi saboda hauhawar farashi akan kayayyakin gyara na Original Equipment Manufacturer (OEM).

Aiwatar da tsari mai tsari Tsarin maye gurbin kayan gyara na crane mai daidai da OEM yana bawa hukumomin tashar jiragen ruwa da masu gudanar da tashoshin jiragen ruwa damar rage farashin siye ta hanyar 30% zuwa 40% yayin da ake hanzarta lokutan jagora da kuma kiyaye cikakken bin ƙa'idodin injiniya na duniya. Wannan jagorar fasaha tana bincika yadda ake aiwatar da maye gurbin sassa marasa matsala ta hanyar kamawa, hoppers, haɗa ƙafafun, da sheaves ba tare da yin illa ga ingancin tsarin ko amincin aiki ba.

Lokacin hutun da ba a tsara ba a fannin sarrafa kayan aiki mai yawa yana kashe tashoshin tashoshin jiragen ruwa da wuraren masana'antu har zuwa $10,000 a kowace awa. Daga cikin dukkan tsarin ɗagawa, lalacewar igiyar waya da zamewar birki su ne manyan abubuwan da ke haifar da mummunan haɗurra a kan kekunan hawa da kuma tsaikon samar da kayayyaki masu tsada. Binciken igiyar crane da kuma kiyaye daidaito Gyara matsalar birkin crane yarjejeniyoyi suna da mahimmanci ga bin ƙa'idodi da amincin aiki. Wannan jagorar fasaha ta fayyace ƙa'idodin dubawa masu aiki, hanyoyin gazawa, da kuma hanyoyin kulawa na tsari waɗanda aka tsara don rage haɗarin aiki da tsawaita rayuwar sabis na sassan.

A cikin ayyukan tashar jiragen ruwa da kwantena na zamani, kayan aikin ɗagawa masu nauyi—kamar su cranes na Ship-to-Shore (STS), cranes na Rail-Mounted Gantry (RMG), da cranes na Rubber-Tyred Gantry (RTG)—suna sarrafa ayyuka masu ƙarfi awanni 24 a rana. A matsayin muhimmin sashi na watsa wutar lantarki a cikin hanyoyin ɗagawa da luffing, yanayin aiki na shearing na igiyar waya kai tsaye yana shafar amincin kayan aiki da inganci gaba ɗaya.

Duk da haka, yanayin tashoshin jiragen ruwa yana da yanayi mai tsanani: feshin gishiri mai yawa, zafi mai yawa, hasken ultraviolet mai tsanani, da kuma canjin yanayin zafi mai ban mamaki. A ƙarƙashin yanayi mai tsanani na ISO 12944 CX (Matsakaicin nau'in gurɓataccen yanayi), daidaitattun sheaves galibi suna fuskantar ƙalubale masu tsanani, kamar lalata feshin gishiri, lalacewar igiya mara kyau, da gazawar ɗaukar kaya da wuri.

Waɗannan matsalolin ba wai kawai suna rage tsawon lokacin aikin datti ba ne, har ma suna haifar da lalacewar igiyar waya ko kuma katsewa kwatsam, wanda ke haifar da tsadar aiki mai yawa da kuma haɗarin tsaro ga masu aiki da tashar.

Ta yaya injiniyoyin kayan aikin tashar jiragen ruwa da manajojin sayayya za su iya magance wannan ƙalubale yadda ya kamata? Wannan labarin yana ba da cikakken nazari kan fasaha game da manyan dabaru guda huɗu: zaɓin kayan aiki, rufin saman da ke hana tsatsa, inganta ƙirar tsari, da kuma kula da kulawa.

A cikin hanyar sadarwa ta jiragen ruwa ta duniya, tashoshin kwantena sune cibiyoyi 24/7 da ba sa barci. A matsayin manyan kamfanonin ƙarfe na tashar jiragen ruwa, cranes na Ship-to-Shore (STS) da cranes na Rubber-Tyred Gantry (RTG) sun dogara sosai akan nasu na ciki. kayan aikin watsawa na tsakiya da na tafiya—kamar akwatin gearbox, haɗa ƙafafun gantry/trolley, giya, da sheaves na igiyar waya—don aiwatar da kowane motsi na ɗagawa da tafiya.

Shekaru da dama, samar da waɗannan muhimman kayan gyara sun kasance ƙarƙashin ikon masana'antun cranes na asali (OCMs). Duk da haka, yayin da tashoshin jiragen ruwa na duniya ke fuskantar matsin lamba don inganta kasafin kuɗi na gyara, gyara, da gyara (MRO) da kuma gina sarƙoƙin samar da kayayyaki masu jurewa, ƙarin ƙungiyoyin injiniyan tashoshi suna juyawa zuwa ga ƙwararrun masana'antun ɓangare na uku.

Tunda cranes na tashar jiragen ruwa suna da matuƙar haɗari, kuma suna da matuƙar aiki, duk wani lahani na sassan na iya haifar da mummunan lokacin aiki ko kuma mummunan haɗarin tsaro. Waɗanne ƙa'idodi na fasaha ne hukumomin tashar jiragen ruwa dole ne su aiwatar yayin da suke cancantar masana'anta na ɓangare na uku?

Wannan jagorar mai cikakken bayani ta fayyace ƙa'idodi guda biyar na masana'antu: aikin ƙarfe, juriyar daidaito, maganin zafi, gwajin da ba ya lalatawa (NDT), da injiniyan dijital na baya.

A cikin yanayi mai cike da matsaloli na tashoshin kwantena na zamani, ana auna ingancin aiki cikin daƙiƙa. Duk da haka, tashoshin jiragen ruwa masu cike da jama'a a duk duniya suna fuskantar matsalar da ba a iya gani ba: Yawancin injinan tashar jiragen ruwa na baya (kamar su cranes na STS da cranes na RTG) masu shekaru 10 zuwa 20 suna fuskantar dakatarwar kayayyakin masana'anta na asali ko rushewar mai samar da kayayyaki.

Idan wani crane ya fita daga intanet saboda lalacewar kayan aiki masu nauyi, kuma Asalin ya bayyana cewa ba a sake tallafawa samfurin ba, to, ana barin ƙungiyoyin siyan kayan aiki su makale.

Ganin irin waɗannan matsalolin sarkar samar da kayayyaki, tashoshin jiragen ruwa ba sa buƙatar sake yin gyare-gyare masu tsada ko kuma dakatar da aiki da wuri. injina na musamman bisa ga zane-zanekuma ayyukan injiniyan baya-zane ba tare da zane ba, tashoshi na iya cimma cikakkiyar maye gurbin 1: 1.

Amfani da manyan abubuwan guda biyu masu mahimmanci wajen rage yawan amfani da crane -sheaƙƙarfan cranekuma ƙafafun crane—a matsayin misalai, wannan jagorar ta bincika yadda za a karya ikon mallakar farashin masana'anta na asali da kuma dawo da kayan aikin tashar jiragen ruwa na baya.

A cikin yanayin da ake amfani da shi wajen amfani da tashoshin kwantena na zamani, ingancin aiki da aminci sun dogara ne akan ingancin kayan aiki. A zuciyar ayyukan crane daga jirgi zuwa bakin teku (STS) da kuma na'urar gantry mai taya ta roba (RTG) sune mai yaɗa kwantenaDuk da cewa mai shimfiɗa kanta babban aikin injiniya ne, aikinsa sau da yawa ya danganta da ƙananan sassansa mafi wahala: maɓallan juyawa da maɓallan jagora (jagororin juyawa).