Fasaha ta zamani | Sabbin masana'antu | Afrilu 19, 2025
A cikin kwararowar ƙarfe ta masana'antar zamani, cranes suna kama da makamai marasa gajiya, suna ɗaukar nauyin aikin sarrafa kayan aiki. A matsayin "cibiya ta jijiyoyi" ta wannan babbar na'ura, aikin zoben zamewar drum na kebul yana da alaƙa kai tsaye da ingancin aiki da amincin crane. Idan ana fuskantar nau'ikan samfuran zoben zamewa iri-iri a kasuwa, ta yaya za a zaɓi "abokin tarayya na zinare" da ya dace da crane? Ta wannan labarin, za mu taimaka muku amsa tambayoyin da ke cikin zuciyarku.
Ⅰ. Bayyana halayen aiki na cranes da kuma tantance alkiblar daidaitawa
Akwai mambobi da yawa a cikin dangin crane, kuma crane na gantry, crane na gadoji, da crane na hasumiya kowannensu yana da nasa "ƙwararrun ƙwarewa". Crane na gantry kamar "ƙattatun ƙarfe" ne a wuraren aiki na tashoshin jiragen ruwa da manyan rumbunan adana kayayyaki, suna tafiya tsakanin kwantena da kaya kowace rana. Ba wai kawai suna fuskantar manyan kaya masu yawa na tashi da sauka akai-akai ba, har ma suna da juriya ga lalacewar feshi na gishiri da ƙurar da iskar teku ke ɗauke da ita, da kuma "baftisma" na ruwan sama kwatsam; crane na hasumiya sune "Optimus Prime" a wurin ginin. Yayin da benaye ke ci gaba da tashi, suna buƙatar yin ayyukan ɗagawa, juyawa da luffing akai-akai, kuma kowane juyawa yana tare da girgiza da tasiri mai tsanani. Waɗannan halaye na musamman na aiki suna tabbatar da cewa suna da buƙatu daban-daban don matakin kariya, ƙarfin ɗaukar kaya da dorewa na zoben zamewar igiyar kebul. Saboda haka, kafin zaɓar zoben zamewa, cikakken bincike mai zurfi game da yanayin aikin crane, mitar aiki, da yanayin kaya kamar zana "taswirar kewayawa" daidai don zaɓuɓɓuka masu zuwa.
Ⅱ. Mayar da hankali kan sigogin lantarki kuma kiyaye ingantaccen tsaro na wutar lantarki da ƙarfin lantarki
(I) Sigogi na yanzu
Ƙarfin ɗaukar kaya na yanzu shine babban alamar lantarki na zoben zamewa. Gabaɗaya, ga ƙananan cranes na lantarki, ƙimar wutar lantarki ta 50-100A na iya cika buƙatun aiki na asali; yayin da ga manyan cranes na tashar jiragen ruwa, saboda yawan ƙarfin injin ɗagawa, injin gudu na trolley, da injin gudu na trolley, ƙimar wutar lantarki da ake buƙata yawanci shine 200-630A. Idan ainihin ƙarfin aiki na zoben zamewa ya wuce ƙimar da aka ƙayyade na dogon lokaci, dumama sassan mai gudanarwa zai ƙaru. Misali, ga goga na jan ƙarfe, lokacin da zafin jiki ya wuce 80℃, ƙarfinsa yana raguwa, juriyar hulɗa yana ƙaruwa, kuma ana iya haifar da walƙiyar lantarki, wanda ke hanzarta lalacewa na goga da zoben mai gudanarwa.
(II) Sigogin ƙarfin lantarki
Ƙarfin wutar lantarki na gama gari don kera shine 380V, 400V, 690V, da sauransu. A cikin yanayin grid ɗin wutar lantarki na masana'antu, ƙarfin lantarki yana canzawa tsakanin ±10%, don haka zoben zamewa yana buƙatar samun sauƙin daidaitawa da ƙarfin lantarki. Misali, kera da ake amfani da su a masana'antar ƙarfe suna da babban tsangwama a cikin yanayin aiki. Ya zama dole a zaɓi zoben zamewa tare da ƙarfin lantarki mai ƙimar 690V da aikin kariya daga ƙaruwa, wanda zai iya jure girgizar wutar lantarki mai ƙimar sau 1.2 nan take don tabbatar da ingantaccen watsa wutar lantarki.
(III) Juriyar rufi da juriyar wutar lantarki
Juriyar rufi yana nuna aikin rufin lantarki na zoben zamewa, wanda gabaɗaya ake buƙatar ya kasance sama da 500MΩ; gwajin ƙarfin lantarki mai jurewa dole ne ya dace da ƙarfin mitar wutar lantarki na 1500V, kuma dole ne a sami karyewa ko walƙiya na tsawon minti 1 don tabbatar da amincin aikin zoben zamewa a cikin yanayin lantarki mai rikitarwa.
Ⅲ. Haɗuwar zoben zamewa da ƙayyadaddun kebul
Alaƙar da ke tsakanin zoben zamewar kebul da kebul ɗin kamar "gear da sarka". Sai da haɗin gwiwa sosai ne za a iya cimma ingantaccen aiki. Lokacin zaɓar zoben zamewa, diamita na waje na kebul, adadin tsakiya da kayan su ne manyan abubuwan da ake la'akari da su. Buɗewar zoben zamewa ya kamata ya fi girman diamita na waje na kebul ɗin girma 1-2mm don tabbatar da shigar da kebul mai santsi; ana ƙayyade adadin tashoshi gwargwadon adadin tsakiya na kebul, kuma gabaɗaya ana ajiye tashoshi 1-2 na ajiya.
Ga kebul na sarrafawa mai yawan tsakiya, idan yankin giciye na tsakiya shine 0.75-2.5mm², ya kamata a sarrafa juriyar hulɗar zoben zamewa cikin 50mΩ don tabbatar da cewa watsa siginar ba ta karkace ba. Misali, idan aka yi la'akari da kebul mai kauri mai kauri mai siffar roba ta YC, sau da yawa ana amfani da shi don haɗin injin crane. Radius ɗin lanƙwasawa gabaɗaya yana sau 6-8 diamita na waje na kebul ɗin. Saboda haka, yana buƙatar a daidaita shi da zoben zamewa tare da goga mai sassauƙa sosai. Ana kiyaye matsin lamba na hulɗar goga a 0.15-0.25N/cm² don rage lalacewa tsakanin kebul da zoben zamewa.
Ⅳ. Ƙarfafa matakin kariya da inganta daidaitawar muhalli
Yanayin aiki na kera kekuna galibi yana cike da ƙalubale, kuma yanayin zafi mai yawa, ƙarancin zafin jiki, danshi, ƙura, mamayewar iskar gas mai lalata da sauran yanayi sun zama ruwan dare. Waɗannan abubuwan muhalli masu tsauri, kamar "maƙiya marasa ganuwa", koyaushe suna barazana ga aiki da rayuwar zoben zamewar igiyar kebul. Saboda haka, zaɓar zoben zamewa mai matakin kariya mai dacewa bisa ga yanayin aiki kamar sanya "sulke mai kariya" mai ƙarfi don zoben zamewa.
A tashoshin jiragen ruwa na waje waɗanda ke da iskar teku mai ƙarfi da raƙuman ruwa, ya zama dole a zaɓi zoben zamewa mai matakin kariya na IP67, wanda zai iya hana ƙura shiga gaba ɗaya kuma ana iya nutsar da shi cikin ruwa mai zurfin mita 1 na tsawon mintuna 30 ba tare da shigar ruwa ba; a cikin injinan ƙarfe masu zafi da masana'antun ƙarfe, zafin da ke cikin wurin aiki zai iya kaiwa sama da 60℃, kuma ya kamata a zaɓi zoben zamewa masu juriya ga zafin jiki mai yawa, waɗanda zafin aikinsu shine -40℃-120℃, kuma ana amfani da kayan rufe roba na silicone, waɗanda ke da juriya mai kyau ga tsufa.
V. Cikakken kimantawa na kaddarorin injina don tabbatar da ingantaccen aiki
(I) Sauri da karfin juyi
Lokacin da crane ke aiki, saurin zoben zamewa ya bambanta sosai. Saurin zoben zamewa na crane na gada gabaɗaya shine 10-30r/min; saurin zoben zamewa da tsarin kashewa na crane na hasumiya ke jagoranta zai iya kaiwa 50-80r/min. Lokacin zaɓar zoben zamewa, saurin sa dole ne ya fi 20% sama da ainihin saurin aiki don tabbatar da iyakar aminci. A lokaci guda, dole ne a yi la'akari da ƙarfin farawa. Gabaɗaya, ana buƙatar ƙarfin farawa na zoben zamewa ya zama bai wuce sau 1.5 ba don guje wa lalacewar tsarin ciki saboda yawan ƙarfin juyawa a lokacin farawa.
(II) Rayuwar injina da juriyar lalacewa
Ana auna tsawon rayuwar zoben zamewa ta hanyar adadin juyawa, kuma kayayyaki masu inganci na iya kaiwa sau miliyan 50 zuwa miliyan 100. Bearings na ciki suna amfani da bearings masu zurfin tsagi mai inganci tare da nauyin aiki mai ƙarfi na 10-50kN; kayan goga galibi an yi su ne da ƙarfe mai carbon-graphite, kuma ana sarrafa taurinsa a 40-60HA don tabbatar da kyakkyawan juriya ga lalacewa da rage zagayowar kulawa.
(III) Sigogi na girgiza da girgiza
A wuraren gini, saurin girgiza da cranes na hasumiya ke samarwa yayin aiki na iya kaiwa mita 5 - 10/s², kuma saurin girgiza na iya kaiwa mita 50 - 100/s². Dole ne zoben zamewa su wuce gwajin girgiza (mita 10 - 500Hz, girman 0.75mm) da gwajin girgiza (rabin-sine wave, kololuwar hanzari 50g, tsawon lokaci 11ms) don tabbatar da aiki mai dorewa a ƙarƙashin mawuyacin yanayi na aiki.
Ⅵ. Zaɓi masana'antar zoben zamewa mai inganci da kuma damar yin aiki bayan tallace-tallace
A kasuwar teku na zoben zamewar kebul, ingancin samfura ya bambanta. Zaɓar alamar da aka dogara da ita kamar neman hasumiya mai haske a cikin babban teku. Ingiant Technology tana da suna mai kyau, ƙwarewa mai yawa da ƙarfin fasaha na ƙwararru a masana'antar zamewar kebul na DHK038 jerin zamewa, kuma sau da yawa tana da ƙa'idodin samarwa masu tsauri da cikakken tsarin kula da inganci. Tun daga siyan kayan masarufi zuwa kula da hanyoyin samarwa, zuwa duba masana'anta na samfura, kowace hanyar haɗi an inganta ta don tabbatar da cewa kowace zobe zamewa za ta iya biyan buƙatun inganci. Cikakken sabis na garanti bayan siyarwa shine "tabbacin" da ingiant ke bayarwa ga masu amfani. A lokacin amfani da zoben zamewa, da zarar an sami matsala, ƙwararrun ƙungiyar bayan siyarwa za su iya amsawa da sauri kuma su ba da tallafin fasaha da ayyuka a kan lokaci, kamar "ruwan sama a kan lokaci", suna rage lokacin rashin kayan aiki da rage asarar tattalin arziki da ke haifar da gazawar kayan aiki ga kamfanin.
VII. Tambayoyin da ake yawan yi akai-akai
T1. Me ke haifar da tartsatsin wuta a cikin zoben zamewa?
A1. Rashin kyawun hulɗa: Goga yana da matuƙar lalacewa, kuma yankin hulɗa da zoben mai sarrafa wutar lantarki ya ragu, wanda ke haifar da ƙaruwar juriyar hulɗa da tartsatsin wuta. A wannan lokacin, ana buƙatar a maye gurbin sabbin goga don tabbatar da cewa daidaito tsakanin goga da zoben mai sarrafa wutar lantarki ya fi kashi 80%.
Yawan aiki na yanzu: Ainihin wutar lantarkin da ke aiki ya wuce ƙimar wutar da aka ƙididdige ta zoben zamewa, wanda ke sa sassan da ke aiki su yi zafi kuma tartsatsin wuta ya faru. Ana buƙatar sake ƙididdige wutar kuma a zaɓi zoben zamewa na takamaiman bayanai.
Abubuwan da suka shafi muhalli: A muhalli mai ƙura da danshi, saman zoben mai sarrafa wutar lantarki yana gurɓata, wanda hakan ke shafar hulɗar lantarki. Ya kamata a riƙa tsaftace zoben da ke zamewa akai-akai don ya kasance mai tsabta da bushewa.
T2: Ta yaya za a tantance ko zoben zamewa yana buƙatar kulawa?
A2: Hayaniyar aiki: Idan zoben zamewa ya yi wani irin ƙara mai ban mamaki da tsauri yayin aiki, yana iya zama saboda lalacewa daga bearing ko sassan ciki marasa ƙarfi, kuma ana buƙatar a dakatar da injin don dubawa.
Zafin jiki mara kyau: Idan zafin saman zoben zamewa ya wuce 70℃, yana nuna cewa akwai yiwuwar samun ƙarancin zubar zafi ko kuma juriyar hulɗa da shi sosai, wanda ke buƙatar a duba shi cikin lokaci.
Watsa siginar da ba ta dace ba: Idan siginar sarrafawa ta yi jinkiri ko ta ɓace, ko kuma watsa wutar lantarki ba ta da ƙarfi, ya zama dole a duba ko haɗin wutar lantarki na zoben zamewa ya zama na al'ada.
Q3: Yadda ake zaɓar zoben zamewa na kayan aiki daban-daban?
A3: Zoben zamewa na aluminum: nauyi mai sauƙi, watsar da zafi mai kyau, ya dace da ƙananan cranes waɗanda ke da buƙatun nauyi, amma juriya ga tsatsa mai rauni.
Zoben zamewa na bakin ƙarfe: yana da kyakkyawan juriya da ƙarfi na tsatsa, wanda ya dace da amfani a cikin yanayi mai danshi da lalata, kamar cranes a tashoshin jiragen ruwa da masana'antun sinadarai.
Zoben zamewa na filastik na injiniya: kyakkyawan aikin rufi da ƙarancin farashi, wanda galibi ana amfani da shi don watsa siginar sarrafawa na cranes tare da buƙatun rufin lantarki mai yawa da ƙananan kaya.
A taƙaice, zaɓin zoben zamewar igiyar kebul don cranes yana buƙatar "injiniyar daidaito" wadda ta yi la'akari da halayen aiki, sigogin lantarki, daidaitawar kebul, kariyar muhalli, halayen injiniya, bayan siyarwa da sauran abubuwa. Sai bayan cikakken bincike da kimantawa mai zurfi ne kawai za a iya zaɓar zoben zamewa mafi dacewa don crane, don haka wannan "babban" masana'antu zai iya zama mafi ƙarfi a aiki, ya yi aiki yadda ya kamata, cikin kwanciyar hankali da aminci, kuma ya saka wutar lantarki mai ci gaba a cikin samar da masana'antu.
Lokacin Saƙo: Afrilu-19-2025