Simbi majoko mahwendefa ndiwo akakosha anobatanidza mumagetsi ekufambisa mitsara, shongwe dzekutaurirana, uye kuvaka zvivakwa zvesimbi. Panguva yekushandiswa, vanobatanidza akawanda insulator tambo, hardware, uye zvikamu kune imwechete yekushushikana pfungwa, zvichiita kuti yunifomu yemutoro wegova. Kushandiswa kwavo hakuna kupatsanurika kubva pakuumbwa kwavo. Pazasi, isu tichaongorora maitiro avo paramita:
Dhizaini yezvimiro: Zvimiro zvakajairika zvinosanganisira rectangles, ellipses, uye matatu. Kune chaiyo yekuisa nzvimbo, zvimiro zvisina kujairika zvinogonawo kugadzirwa. Kubva pakuonekwa, takawana mabhoti akawanda uye maburi epini, uye mipendero yakapoteredzwa kuti kuderedze njodzi yekushungurudzika kwepfungwa;
Kusarudzwa kwezvinhu: Pakusarudza zvinhu, isu tinofanirwa kufunga nezve mashandisiro mamiriro. Kune mamiriro ane mitoro midiki uye yakaoma nharaunda, Q235B kabhoni simbi inosarudzwa. Mumatambo ekufambisa{{3}voltage epamusoro uye mahombe-zvivakwa zvesimbi, Q345 yakaderera-alloy yakakwirira-simbi yakasimba inoshandiswa, ine goho repamusoro. Kana iri mumhenderekedzo yegungwa, ine mwando, kana kuti ine munyu, inopisa-inonyudza galvanized low{10}carbon steel inosarudzwa, inogona kudzivirira ngura nekudzivirira;
Tensile simba: Yakakura kupfuura kana yakaenzana ne450MPa;
Goho simba: Huru kupfuura kana kuenzana ne235MPa;
Gomba chinzvimbo kushivirira: ± 0.5mm;
Kushanda tembiricha: -40 dhigirii ~ +120 dhigirii .
Aya ndiwo maitiro akajairwa maparameter esimbi yejoko mahwendefa panguva yekugadzira. Kana iyo chaiyo yekushanda mamiriro ane akasiyana anodiwa ejoko, unogona kutaurirana nemugadziri kuti agadzirise zvigadzirwa zvinoenderana nezvinodiwa zvako.
Semhando yekukodzera magetsi, mahwendefa ejoko esimbi anonyanya kushandiswa muindasitiri yemagetsi. Kuti ubatsire vashandisi kunzwisisa chigadzirwa mune zvakadzama, chidzidzo chechiitiko chekugadzirisa grid renovation project inopiwa pasi apa, iyo inofanirawo kubatsira pakusarudza mahwendefa ejoko akasiyana.
MuState Grid's upgrade and renovation projects, simbi dzejoko ndiro dzinoshandiswa kubatanidza makondukita ega kune insulator tambo. Iyo denderedzwa gomba dhizaini inogadzirisa kuwedzera kwekupisa uye kudonhedza kwema conductor, kudzivirira kushushikana kwekushushikana. Iyi tekinoroji yakagamuchirwa zvakanyanya, kunyanya mumagidhi emagetsi ekumaruwa. Kune 220kV substation mapurojekiti, mahwendefa ejoko ane mativi matatu anobatanidza ma insulators ekuchinja kwepasi kune substation furemu, inoenderana ne EN 50341 zviyero. Izvi zvinogonesa kugadzikana kweiyo pasi system ye substation midziyo uye inopa zvakanakira mukuora kuramba uye kuita kwemakanika.
Kusarudza iyo yakakodzera simbi yejoko ndiro yeimwe mamiriro ezvinhu, isu tinofanirwa kufunga nezvezvinhu zvakaita sezvinodiwa zvinotakura, nzvimbo yekuisa, uye mamiriro ekunze. Pazasi, isu tichakurukura izvi zvakadzama:
Tsanangura maparameter
Tsanangura kumanikidzwa kunofanirwa kutakura ndiro yejoko, kusanganisira static load uye simba rekutakura. Kune mitoro midiki, sarudza Q235B zvinhu + yakadhindwa yakareruka yejoko ndiro. Pamutoro uripakati nepakati we110kV-220kV, sarudza Q345 yakaderera alloy material. Kune mahombe emutoro mamiriro, zvinodikanwa kugadzirisa mahwendefa ejoko akakora, uye zvinhu zvacho zvinofanirwa kunge zvakakwirira-simba alloy structural simbi.
Kuyera nzvimbo
Kuti udzivise matambudziko akadai sekutadza kuisa kana kumanikidza kutsauka, kureba uye kumucheto kurapwa kweyero node kunofanirwa kuenderana nehupamhi hwemabhaudhi ehardware anoenderana nemapini. Iyo dhayamita yegomba inofanirwa kuve 0.5mm-1mm yakakura kupfuura dhayamita yebhaudhi, uye mvumo inofanira kuitwa yekukanganisa yekuisa. Iyo gomba repakati chinhambwe uye gomba kumucheto chinhambwe chinofanirwa kuenderana neinosungirira mhete. Kana gomba kumucheto kureba kuri diki zvakanyanya, zvinokonzeresa kumucheto kushushikana. Zvinokurudzirwa kuti buri mupendero chinhambwe chive Chikuru pane kana kuenzana nekaviri padhayamita yegomba.
Ongorora zvakatipoteredza
Ona kana mamiriro ekushanda ari munzvimbo dzakaoma, dzisiri{0}dzisina kuoresa, munzvimbo dzine mwando, dzine ngura zvishoma, nzvimbo dzine ngura dzakanyanya semushonga wemunyu wemahombekombe, kana kutotonhora zvakanyanya. Uyezve funga zvakasiyana-siyana mhiri kwemakungwa mamiriro uye sarudza akasiyana mwero zvichienderana neakasiyana mamiriro kuti ave nechokwadi chekuteedzera zviyero zvemusika unotangwa.
Yakasimba yekugadzira maitiro ekudzora uye kuongororwa kwemhando yesimbi yejoko mahwendefa anovimbisa kusimba kwechimiro. Sezvo isu tose tinoziva, mechanical properties inosarudza zvakananga kugadzikana; saka, tinogona kubvisa matambudziko anogona kuitika kuburikidza nekuita uye kuongorora:
Yakazara-maitirwo ekuongorora kwemhando: kunyanya inosanganisira michina, kubva pakusimba kwesimba, kusimba kwegoho uye kuyedza kurebesa kuti ive nechokwadi chekutevedzwa kwezviyero zvinoenderana; kusiri-kunoparadza kuyedza, senge ultrasonic test ye forgings kana ma weld parts kuti atarise kana pakatsemuka mukati; Magnetic particle test yenzvimbo kuti ione kuremara kwepamusoro; kuyedza kudzivirira ngura; uye zinc layer ukobvu uye kuyedzwa kwekunamatira kudzivirira zinc layer peeling;
Kuiswa kwakajairwa: Ita shuwa kuti iyo yakayerwa mutoro wesimbi yejoko ndiro yakakura kupfuura kana yakaenzana nebasa rekushanda × kuchengetedza chinhu. Kuwedzeredza kunorambidzwa zvachose. Ita shuwa kuti nzvimbo dzekushushikana dzakagoverwa zvakaenzana. Kuwedzeredza magapu kunokonzeresa kushanduka kwekushushikana uye kushushikana kwenzvimbo kuwanda. Pamamiriro akasiyana-siyana ekushanda akaoma, zvakakosha kubatanidza mamiriro chaiwo ekushanda uye kutora matanho ekudzivirira kusunungura.
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