A ɗaukar nauyiita ce ainihin na'urar da ke juyar da sigina mai yawa zuwa fitarwar lantarki mai iya aunawa. Lokacin amfani da aɗaukar nauyi, ainihin yanayin aiki naɗaukar nauyi ya kamata a fara la'akari da shi, wanda ke da mahimmanci ga zaɓin daidaitaccen zaɓi naɗaukar nauyi. Yana da alaƙa da koɗaukar nauyi na iya aiki akai-akai, amincin sa da rayuwar sabis, har ma da aminci da amincin duk kayan aikin awo.
Tasirin yanayi akanɗaukar nauyi ya ƙunshi abubuwa masu zuwa:
(1) Yanayin zafin jiki mai girma yana haifar da matsaloli kamar narkewar kayan shafa, buɗe walda na haɗin gwiwar solder, da canje-canjen tsari a cikin damuwa na ciki na elastomer. Dominɗaukar nauyis aiki a high zafin jiki yanayi, high zafin jikiɗaukar nauyis ana amfani dashi akai-akai; Bugu da kari, dole ne a kara na'urori irin su na'urorin da ke hana zafi, sanyaya ruwa ko sanyaya iska.
(2) Tasirin ƙura da zafi a kan gajeren kewaye naɗaukar nauyi. A cikin wannan yanayin muhalli, aɗaukar nauyi da highiska-m ya kamata a zaba. Daban-dabanɗaukar nauyis suna da hanyoyin rufewa daban-daban, da suiska-m ya bambanta sosai.
Hatimi na yau da kullun sun haɗa da cikawa ko sutura; Ana ɗaure fakitin roba da injina kuma an rufe su; waldi (argon arc waldi, walda igiyar plasma) da hatimin ciko na nitrogen.
Daga fuskar tasirin hatimi, walƙiya sealing shine mafi kyau, kuma cikawa da suturar sutura shine mafi talauci. Dominɗaukar nauyis cewa aiki a cikin tsabta da bushe muhalli yanayi, za ka iya zabar wani manne-rufeɗaukar nauyi, da kuma wasuɗaukar nauyis waɗanda ke aiki a cikin yanayi mai ɗanɗano da ƙura, yakamata ku zaɓi hatimin zafi na diaphragm ko hatimin walda diaphragm, famfo Vacuum nitrogen cikeɗaukar nauyi.
(3) A cikin yanayi mai lalacewa sosai, kamar danshi da acidity, wanda zai lalata elastomer ko haifar da ɗan gajeren kewayawa, sai a shafe saman waje ko kuma a yi shi.an rufe shi dabakin karfe , wanda yana da kyakkyawan juriya na lalata da kyaurashin iska.
(4) Tasirin filin lantarki akanload cell siginar rashin ƙarfi na fitarwa. A wannan yanayin, da garkuwar daload cell ya kamata a bincika sosai don ganin ko yana da kyakkyawan juriya na lantarki.
(5) Flammable da fashewa ba kawai haifar da cikakken lalacewa gaɗaukar nauyi, amma kuma yana haifar da babbar barazana ga sauran kayan aiki da amincin mutum. Don haka,ɗaukar nauyiYin aiki a cikin mahalli masu ƙonewa da fashewar abubuwa sun gabatar da buƙatu mafi girma don aikin tabbatar da fashewa: tabbacin fashewaɗaukar nauyiDole ne a zaɓi s a cikin wurare masu ƙonewa da fashewa. Rufin rufewa na wannanɗaukar nauyi dole ne ba kawai la'akari da tarashin iska, amma kuma Ya kamata a yi la'akari da Ƙarfin Ƙarfin fashewa, da kuma mai hana ruwa, tabbatar da danshi da abubuwan fashewa na kebul na kebul.
Abu na biyu, zaɓin lamba da kewayonɗaukar nauyis.
Zaɓin adadinɗaukar nauyis an ƙaddara bisa ga manufar na'urar auna wutar lantarki da adadin maki da ma'aunin jiki ke buƙata don tallafawa (yawan adadin abubuwan tallafi ya kamata a ƙayyade bisa ga ka'idar yin cibiyar geometric na nauyi na jikin sikelin ya dace da daidaitattun ma'auni). ainihin cibiyar nauyi). Gabaɗaya magana, da yawaɗaukar nauyiAna amfani da s don jikin sikelin tare da maki masu goyan baya da yawa. Koyaya, ga wasu jikunan ma'auni na musamman kamar ma'aunin ƙugiya na lantarki, ɗaya kawaiɗaukar nauyi za a iya amfani da. Ga wasuelectromagnetically haɗa ma'auni, zaɓi naɗaukar nauyi ya kamata a ƙayyade bisa ga ainihin halin da ake ciki. lamba.
Zaɓin zaɓi naɗaukar nauyi Za a iya ƙayyade kewayon bisa ga cikakkiyar kimantawa na abubuwa kamar matsakaicin ƙimar ma'auni, adadin da aka zaɓa.ɗaukar nauyis, nauyin kai na jikin sikelin, yuwuwar matsakaicin nauyin eccentric da nauyi mai ƙarfi. Gabaɗaya, mafi kusancin kewayonɗaukar nauyi shine nauyin da aka sanya wa kowaneɗaukar nauyi, gwargwadon gwargwadon awonsa zai kasance. Duk da haka, a cikin ainihin amfani, tun lokacin da nauyin da aka yi amfani da shi zuwa gaɗaukar nauyi ya haɗa da nauyin kai, nauyin tare, nauyin eccentric da tasirin rawar jiki na ma'aunin ban da abin da za a auna, ya kamata a yi la'akari da abubuwa da yawa yayin zabarɗaukar nauyi iyaka don tabbatar da hakanɗaukar nauyi aminci da tsawon rai.
Tsarin lissafi naɗaukar nauyi An ƙaddara kewayon ta hanyar adadi mai yawa na gwaje-gwaje bayan cikakken la'akari da abubuwa daban-daban da suka shafi jikin sikelin.
Tsarin tsari shine kamar haka:
C=K-0K-1K-2K-3(Wmax+W)/N
C-da rated kewayon gudaɗaukar nauyi; W-nauyin kai na ma'auni; Wmax-matsakaicin darajar ma'aunin nauyi na abin da ake auna; N-adadin wuraren tallafi da ma'auni ke amfani da shi; K-0-ma'aunin inshora, gabaɗaya tsakanin 1.2 da 1.3; K-1-tasirin tasiri; K-2-tsakiyar nauyi diyya coefficient na sikelin jiki; K-3-iska matsa lamba coefficient.
Misali: sikelin manyan motocin lantarki 30t, matsakaicin nauyi shine 30t, nauyin jiki shine 1.9t, ta amfani da huduɗaukar nauyis, bisa ga ainihin halin da ake ciki a wancan lokacin, zaɓi nau'in inshora K-0 = 1.25, tasirin tasirin K-1 = 1.18, Cibiyar ƙarfin nauyi ta daidaita ƙimar K-2-= 1.03, madaidaicin matsa lamba na iska K-3 = 1.02, yi ƙoƙarin tantance yawan ton.ɗaukar nauyi.
Magani: Yi lissafin dabara bisa gaɗaukar nauyi zango:
C=K-0K-1K-2K-3(Wmax+W)/N
An san cewa:
C=1.25×1.18×1.03×1.02×(30+1.9)/4
= 12.36t
Don haka, aɗaukar nauyi tare da kewayon 15t za'a iya zaɓar (tonnage naɗaukar nauyi gaba ɗaya kawai 10T, 15T, 20t, 25t, 30t, 40t, 50t, da sauransu, sai dai idan an yi oda ta musamman).
Bisa ga kwarewa, daɗaukar nauyi Ya kamata gabaɗaya aiki tsakanin 30% zuwa 70% na kewayon sa, amma ga wasu kayan aikin aunawa tare da babban tasiri yayin amfani, kamar ma'aunin dogo mai ƙarfi, ma'aunin manyan motoci masu ƙarfi, ma'aunin ƙarfe, da sauransu, lokacin zaɓin zaɓi.ɗaukar nauyis, Gabaɗaya, wajibi ne don faɗaɗa kewayon sa, don hakaɗaukar nauyi yana aiki tsakanin 20% zuwa 30% na kewayon sa, don haka ma'aunin ma'auni naɗaukar nauyi an ƙara don tabbatar da aminci da rayuwa naɗaukar nauyi.
Bugu da ƙari, la'akari da dacewa da kowane nau'i naɗaukar nauyi.
Zaɓin zaɓi naɗaukar nauyi nau'in ya dogara ne akan nau'in aunawa da kuma wurin shigarwa don tabbatar da shigarwa mai kyau da aminci kuma abin dogara; a gefe guda, ya kamata a yi la'akari da shawarwarin masana'anta. Masu kera gabaɗaya suna ƙayyadad da iyakokin aikace-aikacenɗaukar nauyi bisa ga karfin daɗaukar nauyi, Alamomin aiki, nau'in shigarwa, nau'in tsari, da kayan elastomer. Alal misali, aluminum cantilever katakoɗaukar nauyis sun dace da ma'aunin farashi, ma'auni na dandamali, ma'auni, da dai sauransu; karfe Cantilever katakoɗaukar nauyis sun dace da ma'aunin hopper, ma'auni na bel na lantarki, ma'auni na rarraba, da dai sauransu; karfe gadaɗaukar nauyis sun dace da ma'aunin jirgin ƙasa, ma'aunin manyan motoci, ma'aunin crane, da sauransu; shafiɗaukar nauyis sun dace da ma'aunin manyan motoci, ma'aunin jirgin ƙasa mai ƙarfi, da ma'aunin hopper mai girma-tonnage. Jira
A ƙarshe, akwai zaɓi naɗaukar nauyi daidaito aji.
Matsayin daidaito naɗaukar nauyi ya haɗa da alamun fasaha kamar suɗaukar nauyirashin daidaituwa, creep, farfaɗo mai raɗaɗi, ciwon kai, maimaitawa, da azanci. Lokacin zabarɗaukar nauyis, kar kawai ku bi babban matakinɗaukar nauyis, amma la'akari da biyan duka daidaitattun buƙatun ma'aunin lantarki da farashin su.
Zaɓin zaɓi naɗaukar nauyi aji dole ne ya cika sharuɗɗa biyu masu zuwa:
1. Haɗu da buƙatun shigar da kayan aiki. Kayan aikin nuni na awo yana nuna sakamakon awo bayan sarrafa siginar fitarwa naɗaukar nauyi ta hanyar haɓakawa da canza A/D. Saboda haka, siginar fitarwa naɗaukar nauyi dole ne ya fi girma ko daidai da girman siginar shigarwar da mita ke buƙata, wato, ƙwarewar fitarwa naɗaukar nauyi an maye gurbinsu da tsarin da ya dace daɗaukar nauyi da mita, kuma sakamakon lissafin dole ne ya zama mafi girma ko daidai da ƙwarewar shigarwar da mita ke buƙata.
Da matching dabara naɗaukar nauyi da mita:
Loda cell karfin fitarwa * kuzarin samar da wutar lantarki mai kuzari * matsakaicin ma'auni
Yawan rabe-raben ma'auni * adadinɗaukar nauyis * kewayon daɗaukar nauyi
Misali: ma'aunin marufi mai ƙima mai nauyin 25kg, matsakaicin adadin rarrabuwa shine 1000.. Tya sikelin jiki rungumi dabi'ar 3 L-BE-25 irinɗaukar nauyis, kewayon shine 25kg, hankali shine 2.0±0.008mV/V, da baka gada ƙarfin lantarki matsa lamba 12V. Tsikelin yana amfani da mita AD4325. Tambayi koɗaukar nauyi amfani zai iya daidaita mita.
Magani: Bayan tuntuɓar, ƙwarewar shigarwa na mita AD4325 shine 0.6μV/d, don haka bisa ga madaidaicin dabararɗaukar nauyi da mita, ana iya samun ainihin siginar shigarwa na mita kamar:
2×12×25/1000×3×25=8μV/d>0.6μv/d
Saboda haka, daɗaukar nauyi da aka yi amfani da shi ya cika buƙatun shigar da hankali na kayan aiki kuma yana iya dacewa da kayan aikin da aka zaɓa.
2. Haɗu da daidaiton buƙatun duk ma'aunin lantarki. Ma'aunin lantarki ya ƙunshi sassa uku: sikelin jiki,ɗaukar nauyi da kayan aiki. Lokacin zabar daidaito naɗaukar nauyi, daidaito naɗaukar nauyi ya kamata ya zama dan kadan sama da ƙimar ƙididdiga na ka'idar, saboda yawancin ka'idar tana iyakance ne ta yanayin haƙiƙa, kamar ma'auni. Ƙarfin jiki yana da ɗan muni, aikin kayan aiki ba shi da kyau sosai, yanayin aiki na ma'auni yana da mummunan rauni da sauran dalilai kai tsaye.shafi daidaito bukatunna sikelin.
Lokacin aikawa: Agusta-11-2022