A ranar 12 ga Oktoba, 2022, wani babban tarotsarin ƙarfeTayar Ferris ta kammala zagayenta na ƙarshe kuma ta cimma cikakkiyar rufewa. Tare da ɗakunan fasinjoji 48, diamita na juyawa na mita 113, da kuma jimillar tsayin mita 120, wannan babban ginin ya tabbatar da kammala shi a hukumance. Aikin ya ƙara wani sabon tarihi ga Harbin, babban birnin Arewa maso Gabashin China.
An san ta a duk duniya da "Idon Harbin," Ferris wheel tana tsaye a matsayin wata alama mai ƙarfi ta injiniyanci na zamani da burin birane. Bayan wannan tsari mai ban mamaki akwai haɗin kai da sadaukarwar ɗaruruwan ma'aikata daga Harbin Dongan Building Sheets Co., Ltd.
Mayar da Tayar Ferris ta Tsarin Karfe daga Tsarin Zane zuwa Gaskiya
Babban ƙafafun Ferris yana aiki a matsayin abin jan hankali a cikin Harbin Ice da Snow World Park kuma yana ɗaya daga cikin manyan ayyukan gini na birnin. Da farko, Dongan ya fuskanci babban ƙalubale. Ƙungiyar ta buƙaci canza hangen nesa na kyan gani na mai zane zuwa kayan ƙarfe da za a iya ƙera waɗanda za su iya aiki da aminci a ƙarƙashin mawuyacin yanayi.
Domin magance wannan ƙalubalen, Dongan ya tattara wata ƙungiya ta musamman da ta ƙunshi masu zane da injiniyoyin samfura cikin sauri. Ƙungiyar ta shirya tarurrukan haɗin gwiwa na fasaha sama da 30 tare da mai tsara ayyuka don daidaita manufar ƙira da yuwuwar ƙera. Ta hanyar waɗannan tattaunawar, ɓangarorin biyu sun cimma matsaya kan yanayin kayan aiki, hanyoyin haɗi, da kuma juriyar samarwa.
Yanayin hunturu na Harbin ya haifar da ƙarin matsin lamba na fasaha. Zafin jiki na iya raguwa zuwa ƙasa da digiri 40 na Celsius, wanda ke shafar ƙarfin abu da halayen tsarinsa sosai. Injiniyoyi sun sake ƙididdige mahimman sigogi, gami da ƙarancin zafin jiki da kuma nakasar da ke faruwa a ƙarƙashin nauyin iska.
Ta amfani da tsarin ƙira mai girma uku wanda aka gina a BIM, ƙungiyar fasaha ta raba dukkan gefen ƙafafun zuwa wuraren sarrafawa na matakin milimita waɗanda za a iya sarrafa su kuma a duba su daidai. Bayan samar da zane-zanen ƙira sama da 2,000, Dongan ya sami nasarar samun sauyi daga ƙirar ra'ayi zuwa tsarin masana'antu ba tare da wata matsala ba.
Daidaita Masana'antar Tsarin Karfe
Dangane da tsarin da aka kammala, gefen ƙafafun Ferris ya ƙunshi trusses guda 24 na sarari waɗanda aka haɗa su cikin cikakken zobe. Jimillar kuskuren da aka tara don tsarin gaba ɗaya ba zai iya wuce milimita 8 ba. Kowane truss yana da tsawon mita 16 kuma yana da nauyin tan 8.7. A ƙarshen kowane truss, jimillar ramukan bolts 412 suna buƙatar daidaiton injin ±0.2 milimita. Waɗannan alkaluman sun sanya buƙatu masu yawa ga daidaiton ƙera.
Domin cika waɗannan buƙatu, Dongan ya yi amfani da injinan yanke mahadar CNC mai axis biyar. Tare da saurin ciyarwa na milimita 0.1 kawai a kowace daƙiƙa, injinan sun sassaka lanƙwasa mahadar sarari masu rikitarwa zuwa manyan bututun chord masu diamita na milimita 426. Wannan hanyar ta tabbatar da sauƙin canja wurin ƙarfi da daidaiton yanayin haɗin gwiwa.
Ingancin walda shi ma ya taka muhimmiyar rawa. Bayan walda, kowace truss ta yi aikin tabbatarwa sau biyu, wanda ya haɗa da aunawa da bin diddigin laser. Wannan hanyar ta matse karkacewar geometric zuwa cikin milimita 2. Tare da goyon bayan injunan haƙa 3D CNC da kayan aikin aunawa, ƙungiyar samarwa ta gudanar da cikakken bincike kan kowane kayan da aka gama. Sakamakon haka, ƙimar dacewa da ramin ƙugiya a duk trusses 24 ta kai kashi 100 cikin ɗari, wanda ya samar da tushe mai ƙarfi don ingantaccen shigarwa wurin.
Santsi da Daidaitacce Taro a Wurin
An ɗaga kowace katangar bututu mai nauyin tan 8.7 ta amfani da crane mai nauyin tan 400 sannan aka sanya ta ta amfani da hanyar haɗa manyan duwatsu masu tsayi. Ma'aikatan shigarwa suna aiki a tsayin da ya kai mita 80 a sama da ƙasa. A wannan tsayin, sun daidaita da hannu kuma suka ɗaure dukkan ƙusoshin ƙarfe 412 masu ƙarfi a kan kowace haɗin flange, ɗaya bayan ɗaya.
Yayin da aka haɗa truss na ƙarshe da na farko, kayan aikin bincike sun sami kuskuren rufewa na milimita 3.2 kacal. Wannan sakamakon ya wuce buƙatun jurewar ƙira na asali. A ranar 14 ga Disamba na wannan shekarar, tsarin tuƙi ya kammala aiki, kuma ƙafafun Ferris sun fara aiki a hukumance a Harbin Ice and Snow World. Tsarin ya ƙunshi kimanin tan 1,500 na ƙarfe da saitin ƙwallo 36,000 masu ƙarfi.
A yau, a kowace kakar aiki ta Duniyar Kankara da Dusar ƙanƙara, "Eye of Harbin" tana maraba da baƙi sama da miliyan 1.3 a kowace shekara. Bayan darajar yawon buɗe ido, aikin yana nuna ƙarfin kera gine-ginen ƙarfe na ƙasar Sin, hanyoyin ƙira na zamani, da kuma ingantaccen tsarin gini. Hakanan yana nuna yadda ƙwarewar masana'antu za ta iya tallafawa hangen nesa mai ban sha'awa na gine-gine a wasu daga cikin mawuyacin yanayi a duniya.
Lokacin Saƙo: Janairu-21-2026