Kusiyana uye kushandiswa kwepamusoro-simba mabhoti uye mabhoti akajairwa
High-simba mabhaudhi uye akajairwa mabhaudhi marudzi maviri ezvisungo anoshandiswa mune akasiyana maapplication.
Heino kuenzanisa kwekusiyana kwavo uye yakajairika mashandisirwo:
Simba: High-simba mabhoti akagadzirwa kuti ave nepamusoro-soro simba rekusimudzira uye kugera simba kana zvichienzaniswa nemabhoti akajairwa.Iwo akagadzirwa kubva kune alloy simbi uye anoenda kwakasarudzika ekurapa kupisa maitiro kuti awedzere simba ravo.Mabhaudhi akajairika, kune rumwe rutivi, ane simba rakaderera uye anowanzo gadzirwa kubva kabhonikugadzira simbi.
Markings: Mabhaudhi ane simba-akakwirira anowanzo kuve nemavara pamisoro yavo kuratidza giredhi ravo kana kirasi yesimba.Aya mamakisi anobatsira kuona maratidziro ebhaudhi, senge kusimba kwayo uye zvinhu zvenyama.Mabhaudhi akajairika kazhinji haana maratidziro akananga ane chekuita nesimba.
Installation: High-simba mabhaudhi inoda chaiyo yekuisa maitiro kuti uwane iyo inodiwa simba nekuita.Iwo anowanzo shandiswa mumashandisirwo apo kutendeseka kwechimiro uye kutakura mutoro kwakakosha.Kuisa nzira dzemabhaudhi akasimba anowanzo sanganisira kushandisa calibrated torque wrenches kana hydraulic tensioning equipment kuti uwane iyo yatarwa preload.Mabhaudhi akajairika anowanzo kuve nyore kuisa uye haadi yakasarudzika michina kana torque control.
Applications: High-simba mabhoti anowanzoshandiswa mukuvaka, mapurojekiti ezvivakwa, mabhiriji, zvivakwa, uye mamwe maapplication apo mitoro inorema kana kushushikana kwakanyanya kunotarisirwa.Izvo zvakakosha pakubatanidza nhengo dzesimbi dzakaumbwa, dzakadai sematanda, makoramu, uye matrusses.Mabhaudhi akajairwa anowana kushandiswa mune zvisinganyanyi kudikanwa maapplication, kusanganisiracnc michina zvikamumubatanidzwa wefenicha, zvinhu zvemotokari, zvisungo zvekubatanidza, uye kusungirirwa-chinangwa.
Mitemo: High-simba mabhoti anowanzo gadzirwa uye anotsanangurwa maererano neindasitiri zviyero, seASTM A325 uye ASTM A490 muUnited States.Aya mazinga anotsanangura izvo zvinodikanwa zvezvinhu, zvivakwa zvemakanika, zviyero, uye maitiro ekuisa epamusoro-simba mabhaudhi.Mabhaudhi akajairwa anowanzo kutevedzera mamwe mazinga akajairwa, akadai seASTM A307, ayo anovhara huwandu hwakawanda hwekushandisa uye yakaderera simba zvinodiwa.
Chii mabhaudhi ane simba guru?
High-Strength Friction Grip Bolt , shanduro chaiyo yeChirungu inoti: friction yakasimba-pre-tightening bolt, Chirungu chechidimbu: HSFG.Zvinogona kuonekwa kuti mabhaudhi ane simba-akakwirira anotaurwa mukuvaka kwedu kweChinese ndiwo mapfupiso e-high-simba friction preload bolts.Mukukurukurirana kwezuva nezuva, mazwi okuti "Friction" uye "Grip" anongotaurwa muchidimbu, asi vanjiniya vakawanda uye technicians havana kunzwisisa tsanangudzo yekutanga ye-high-simba mabhoti.
Kusanzwisisa imwe:
Mabhaudhi ane giredhi rezvinhu zvinodarika 8.8 ndee "high-simba mabhoti"?
Musiyano wepakati pakati pe-high-simba mabhoti uye akajairwa mabhaudhi haisi simba rezvinhu zvinoshandiswa, asi chimiro chesimba.Chinokosha ndechekuti kuisa preload uye kushandisa static friction kuramba shear.
Muchokwadi, iwo epamusoro-simba mabhaudhi (HSFG BOLT) anotaurwa muyero yeBritish uye chiyero cheAmerican angori 8.8 uye 10.9 (BS EN 14399 / ASTM-A325&ASTM-490), nepo mabhaudhi akajairwa anosanganisira 4.6, 5.6, 8.8, 10.9, 12.9, nezvimwewo (BS 3692 11 Tafura 2);zvinogona kuonekwa kuti kusimba kwechinyorwa hakusi kiyi yekusiyanisa mabhoti epamusoro-soro kubva kumabhoti akajairwa.
Kunzwisisa kwakarurama kwe "simba guru", iro riripi simba
Zvinoenderana neGB50017, verenga kusimba uye kugera simba reimwe yakajairika bhaudhi (Type B) giredhi 8.8 uye yakakwirira-simba bhaudhi giredhi 8.8.
Kuburikidza nekuverenga, tinogona kuona kuti pasi pegiredhi rimwechete, dhizaini uyealuminium cnc servicekukosha kwekusimba kwesimba uye kugera kwesimba remabhaudhi akajairwa akakwirira pane aya epamusoro-simba mabhaudhi.
Saka "simba" remabhaudhi ane simba riripi?
Kuti upindure mubvunzo uyu, zvinodikanwa kutanga nedhizaini yekushanda mamiriro emabhaudhi maviri, kudzidza mutemo weelastic-plastiki deformation, uye kunzwisisa muganhu wenyika panguva yekutadza kwekugadzira.
Stress-strain curves yemabhaudhi akajairwa uye mabhaudhi akasimba-akakwirira pasi pemamiriro ekushanda
Gadzirisa mamiriro pakukundikana kwekugadzira
Mabhaudhi akajairwa: Iyo yepurasitiki deformation ye screw pachayo inodarika mvumo yekugadzira, uye screw inokuvadzwa nekuveura.
Kune yakajairwa bhaudhi yekubatanidza, kutsvedza kwehukama kuchaitika pakati pemahwendefa ekubatanidza simba reshear risati ratanga kubereka, uye ipapo tsvimbo yebhaudhi uye yekubatanidza ndiro yekubatanidza, elastic-plastiki deformation inoitika, uye simba rekugera rinotsungirira.
High-simba mabhaudhi: Iyo static friction pakati peanoshanda friction surfaces inokundwa, uye kusimuka kwehukama kwemahwendefa maviri esimbi kunoitika, iyo inoonekwa seyakakuvadzwa mukufunga kwekugadzira.
Mukubatanidza bhaudhi repamusoro-soro, simba rekukwesha rinotanga kutakura simba rekugera.Kana mutoro ukawedzera kusvika apo simba rekukwenya harina kukwana kuramba simba rekugera, simba rekukwesha rinokundwa, uye kutsvedza kwechidimbu chendiro yekubatanidza kunoitika (muganhu wenyika).Zvisinei, kunyange zvazvo yakakuvadzwa panguva ino, tsvimbo yebhaudhi inosangana neplate yekubatanidza, uye inogona kushandisa zvayo elastic-plastic deformation kuti imire nesimba rekugera.
Kusanzwisisa 2:
Kutakura simba repamusoro-simba mabhoti akakwirira kudarika emabhoti akajairwa.I“simba guru” here?
Inogona kuonekwa kubva pakuverenga kwebhoti rimwe chete kuti simba rekugadzira re-high-simba mabhoti mumatambudziko uye shear yakaderera pane yeajairika mabhoti.Iyo yakakwirira-yakasimba essence ndeye: panguva yekushanda kwakajairika, node hazvibvumidzwe kuve nechero slippage, kureva, elastic-plastiki deformation idiki, uye kuomarara kwenode yakakura.
Zvinogona kuonekwa kuti munyaya yekupiwa kwekugadzira node mutoro, node yakagadzirwa nepamusoro-simba mabhoti haigoni kuchengetedza nhamba yemabhoti anoshandiswa, asi ine diki deformation, yakakwirira kuoma, uye yakakwirira yekuchengetedza kuchengetedza.Inokodzera magidhi makuru uye dzimwe nzvimbo dzinoda kuomarara kwepamusoro, uye inoenderana neiyo yakakosha seismic dhizaini dhizaini ye "node dzakasimba, nhengo dzisina simba".
Simba remabhoti epamusoro-soro harisi mukugadzirisa kukosha kwekukwanisa kwayo kutakura, asi mukuoma kwepamusoro kwemanode ayo ekugadzira, kushanda kwekuchengetedza kwepamusoro, uye kupikisa kwakasimba kwekukuvara.
Kuenzanisa kwepamusoro-simba mabhoti uye akajairwa mabhoti
Mabhoti ajairika uye mabhaudhi akasimba akasiyana zvakanyanya mukuvaka nzira dzekuongorora nekuda kwemaitiro avo akasiyana ekugadzira.
Zvinodiwa zvemuchina wemabhaudhi egiredhi rimwechete zvakakwirira zvishoma pane zviya zvesimba repamusoro-soro, asi mabhaudhi ane simba repamusoro ane chimwe chinodiwa chekugamuchira simba rekukanganisa kupfuura mabhaudhi akajairwa.
Iko kucherechedzwa kwemabhaudhi akajairwa uye mabhaudhi epamusoro-simba ndiyo nzira yekutanga yekuzivikanwa kwepa-saiti yemabhaudhi egiredhi rimwechete.Sezvo maitiro akaverengerwa kukosha kwetorque ye-high-simba mabhoti muBritish neAmerica zviyero hazvina kufanana, zvinodiwawo kuziva mabhoti ezviyero zviviri.
High-simba mabhaudhi: (M24, L60, giredhi 8.8)
Mabhaudhi akajairika: (M24, L60, giredhi 8.8)
Zvinogona kuonekwa kuti mabhoti akajairwa anenge 70% yemutengo wepamusoro-simba mabhoti.Yakasanganiswa nekuenzanisa kwezvinodiwa zvavo zvekugamuchira, zvinogona kugumiswa kuti chikamu cheprimiyamu chinofanira kunge chiri chekuve nechokwadi chekukanganisa simba (kuoma) kuita kwechinyorwa.
Pfupisa
Padambudziko rinoita serakapfava, haisi nyaya iri nyore kuva nenzwisiso yakadzama, yakazara uye yakarurama yehwaro hwayo.Tsanangudzo, zvinoreva uye mutsauko wakakura pakati pemabhaudhi akasimba-akasimba uye akajairwa mabhaudhi ndiwo musimboti wekuti isu tinzwisise nemazvo, kushandisa mabhaudhi akasimba, uye kuita manejimendi ekuvaka.
Ona:
1) Zvechokwadi zvakataurwa mune mamwe mabhuku ekugadzirwa kwesimbi kuti mabhoti ane simba guru anoreva mabhoti ane simba rinopfuura 8.8 mamakisi.Nokuda kweiyi maonero, kutanga kwezvose, mitemo yeAnglo-America haitsigire, uye hapana tsanangudzo ye "simba" uye "isina simba" kune imwe nhanho yesimba.Chechipiri, hazvisangane ne "high-simba mabhoti" anotaurwa mubasa redu.
2) Kuti zvive nyore kuenzanisa, kushushikana kwezvikwata zvebhoti zvakaoma hazvifungidzirwe pano.
3) Simba rinotakura simba rescrew rinotariswawo mukugadzirwa kwechitsigiro-chinotakura bhaudhi yakasimba, iyo ichaunzwa zvakadzama mune zvinotevera "Kuenzanisa kwekumanikidza-kukanda uye friction-mhando yepamusoro-simba mabhoti".
Zvakawanda sei zvaunoziva nezve mabhaudhi epamusoro-simba?
Zita rakazara repamusoro-simba mabhoti mukugadzirwa rinonzi high-strength bolt connection pair, uye kazhinji harina kunzi semabhoti epamusoro-soro kwenguva pfupi.
Zvinoenderana nehunhu hwekuisa, yakakamurwa kuita: hombe hexagon musoro mabhaudhi uye torsional shear mabhaudhi.Pakati pavo, iyo torsional shear mhando inongoshandiswa muzinga 10.9.
Zvinoenderana negiredhi rekuita repamusoro-simba mabhaudhi, rakakamurwa kuita: 8.8 uye 10.9.Pakati pavo, pane mabhoti makuru ane hexagonal akasimba mugiredhi 8.8.Munzira yekumaka, nhamba isati yasvika decimal inoratidza kusimba kwesimba mushure mekupisa kupisa;nhamba mushure mechikamu chedesimali inoratidza reshiyo yegoho, kureva kuti, chiyero chechiyero chakayerwa chesimba regoho kusvika pachiyero chakayerwa chesimba rekupedzisira..Grade 8.8 zvinoreva kuti kusimba kwebhaudhi shaft hakusi pasi pe800MPa, uye goho reshiyo i0.8;Grade 10.9 zvinoreva kuti kusimba kwebhaudhi shaft hakusi pasi pe1000MPa, uye goho reshiyo i0.9.
Madhayamita emabhaudhi akasimba mukugadzirwa kwemaitiro anowanzo sanganisira M16/M20/M22/M24/M27/M30, asi M22/M27 ndiyo yechipiri sarudzo dzakatevedzana, uye M16/M20/M24/M30 ndiyo sarudzo huru mumamiriro ezvinhu akajairwa.
Mukutaura kwekugadzira shear, mabhoti epamusoro-soro akakamurwa kuva: high-simba bolt pressure-bearing type uye high-simba bolt friction type maererano nezvinodiwa zvekugadzira.
Kutakura simba kwemhando yefriction kunoenderana ne-anti-slip coefficient yeforce transmission friction surface uye nhamba yekukweshana kwepamusoro.Iko friction coefficient ye red rust mushure mejecha (kupfurwa) ndiyo yepamusoro-soro, asi inobatwa zvakanyanya nehuwandu hwekuvaka maererano nekushanda chaiko.Mazhinji ekutarisa mayuniti Ivo vese vakasimudza kana chiyero chinogona kudzikiswa kuti ive nechokwadi chemhando yeprojekiti.
Kuremerwa-kuremerwa kwerudzi rwekudzvinyirirwa kwemhando kunoenderana nehuwandu hwehuwandu hwekuveura simba rebhoti uye simba rekutakura bhoti.Panyaya yenzvimbo imwe chete yekubatanidza, shear inobata simba reM16 friction type i21.6-45.0 kN, ukuwo shear yeM16 pressure-bearing type iri 39.2-48.6 kN, uye kushanda kuri nani kudarika kweiyo friction type.
Panyaya yekuisa, iyo yekumanikidza-inotakura mhando maitiro iri nyore, uye yekubatanidza nzvimbo inongoda kucheneswa nemafuta uye ngura inoyangarara.Iyo tensile inotakura simba padivi peiyo shaft nzira inonakidza kwazvo mune simbi chimiro kodhi.Kukosha kwekugadzirwa kwemhando ye friction yakaenzana ne 0.8 nguva ye pre-tension force, uye kukosha kwekugadzira kwerudzi rwekumanikidzwa kwakaenzana nenzvimbo inoshanda ye screw yakawedzerwa nehuwandu hwekugadzira kwesimba rekugadzirisa zvinhu.Zvinoita sekuti Pane mutsauko mukuru, kutaura zvazviri, hunhu huviri hwakafanana.
Paunenge uchitakura shear force uye tensile force in kwakanangana neakisi yetsvimbo panguva imwe chete, rudzi rwekukweshana runoda kuti reshiyo yesimba rekugera rinotakurwa nebhaudhi kusvika pakugera simba pamwe nekuwanda kwekushushikana kwesimba reaxial rinotakurwa. nescuru kusimba rekusimba ishoma pane 1.0, uye rudzi rwekudzvanywa runoda Iyo hwerengedzo yeskweya yereshiyo yesimba rekugera kune shear kugona kwebhaudhi pamwe neskweya yereshiyo yeaxial simba kune tensile kugona kwescrew ishoma pane 1.0, kureva kuti, pasi pemutoro wakasanganiswa wakafanana, dhayamita imwechete yekutakura. .
Tichifunga kuti pasi pechiito chakadzokororwa chekudengenyeka kwenyika kwakasimba, kukanganiswa kwekubatana kwepamusoro kunogona kukundikana, uye kukwanisa kweshear panguva ino kuchiri kuenderana neshear simba rebhoti uye simba rekumanikidza replate.Naizvozvo, iyo seismic kodhi inotsanangura iyo yekupedzisira shear kugona kweakakwirira-simba mabhaudhi Kutakura kugona kuverenga formula.
Kunyangwe iyo yekudzvanya-inotakura mhando ine mukana mukukosha kwedhizaini, nekuti ndeyerudzi rwekuveura-kudzvanya kutadza, mabhoti maburi maburi emhando yebhoti akafanana neakajairwa mabhaudhi, uye deformation iri pasi pemutoro yakakura kupfuura iyo iyo friction type, saka iyo yakakwirira-simba mabhaudhi anotakura kumanikidzwa Rudzi urwu runonyanya kushandiswa kune isiri-seismic chikamu chekubatanidza, isiri-yakasimba mitoro yekubatanidza inotakura, uye isingadzokeri-inodzokorora chikamu chekubatanidza.
Iyo yakajairwa sevhisi muganho inotaura emhando mbiri idzi dzakasiyana zvakare:
Friction type yekubatanidza inoreva kutsvedza kwehukama hwekubatanidza friction pasi pemusanganiswa wekutanga wemitoro;
Iyo yekumanikidza-inotakura kubatana inoreva kutsvedza kwehukama pakati pezvikamu zvinosungirira pasi pemutoro chiyero chemubatanidzwa;
Common bhaudhi
1. Mabhoti akajairika akakamurwa kuva marudzi matatu: A, B, uye C. Maviri ekutanga mabhoti akacheneswa, mashoma anoshandiswa.Kazhinji kutaura, mabhaudhi akajairwa anoreva C-level akajairwa mabhaudhi.
2. Mune zvimwe zvibatanidzo zvenguva pfupi uye zvinongedzo zvinoda kuparadzaniswa, C-level mabhaudhi akajairwa anowanzoshandiswa.Mabhaudhi akajairika anowanzoshandiswa mukuvaka zvivakwa M16, M20, M24.Mamwe mabhaudhi akakasharara muindasitiri yemuchina anogona kunge ane dhayamita yakakura uye anoshandiswa kune zvakakosha.
High simba mabhaudhi
3. Zvinhu zvemabhoti epamusoro-soro zvakasiyana nemabhoti akajairwa.High-simba mabhaudhi anowanzo shandiswa kubatanidza zvachose.Inonyanya kushandiswa ndeye M16 ~ M30.Kuitwa kwemabhaudhi akawandisa epamusoro-simba hakuna kugadzikana uye kunofanirwa kushandiswa nekuchenjerera.
4. Kubatanidzwa kwebhoti yezvikamu zvikuru zvechivako chekuvaka kunowanzobatanidzwa nepamusoro-simba mabhoti.
5. Mabhoti ane simba-akakwirira anounzwa nefekitari haana kuiswa mukumanikidzwa-kutakura kana friction-type.
6. Iwo ari friction-mhando yepamusoro-simba mabhaudhi kana kumanikidza-inotakura mabhaudhi akasimba-akasimba?Muchokwadi, pane mutsauko mune dhizaini yekuverenga nzira:
1) Kune friction-mhando yepamusoro-simba mabhaudhi, kutsvedza pakati pemahwendefa kunoonekwa seyekugumira mamiriro ekutakura simba.
2) Nekumanikidza-kune mabhaudhi akasimba, kutsvedza pakati pemaplateti kunoonekwa seyakagadzika mamiriro ekushandiswa kwakajairika, uye kukanganisa kwekubatanidza kunoonekwa seyekugumira mamiriro ekutakura.
7. Friction-type high-simba mabhoti haigoni kupa kutamba kwakakwana kune zvingaita mabhoti.Mumashandisirwo anoshanda, friction-type yakakwirira-simba mabhaudhi inofanirwa kushandiswa kune zvakakosha zvakanyanya zvimiro kana zvimiro zvinoiswa pasi pemitoro ine simba, kunyanya kana mutoro uchikonzeresa kushushikana.Panguva ino, iyo isina kushandiswa bhaudhi mukana inogona kushandiswa sekuchengetedza kuchengetedza.Mune dzimwe nzvimbo, mabhaudhi anomanikidza-akasimba anofanirwa kushandiswa kuderedza mutengo.
Musiyano pakati peakajairwa mabhaudhi uye akakwirira-simba mabhaudhi
8. Mabhoti akajairika anogona kushandiswa zvakare, asi mabhoti ane simba repamusoro haagone kushandiswa zvakare.
9. High-simba mabhoti anowanzo kugadzirwa nesimbi yakasimba (No. 45 simbi (8.8s), 20MmTiB (10.9S), iyo yakasimbiswa mabhoti. Rudzi rwe friction inoshandisa torque wrench kushandisa prestress yakataurwa, uye iyo kudzvanywa kwemhando inosunungura iyo plum inotumbuka musoro.
10. Mabhaudhi akajairika anowanzo giredhi 4.4, giredhi 4.8, giredhi 5.6 uye giredhi 8.8.Mabhaudhi akasimba anowanzo giredhi 8.8 uye giredhi 10.9, iro giredhi 10.9 ndiro rakawanda.
.Muchokwadi, mabhaudhi akajairwa ane maburi madiki.
12. Maburi ekuma kiredhiti A uye B emabhaudhi akajairika anowanzo hombe ne 0.3~0.5mm pane mabhaudhi.Makomba eKirasi C akakurisa anowanzo hukuru 1.0~1.5mm kupfuura mabhaudhi.
13. Friction-type high-simba mabhaudhi anotumira mitoro nekukwesha, saka musiyano pakati pescrew rod nescrew hole inogona kusvika 1.5-2.0mm.
14. Simba rekufambisa maitiro ekumanikidzika-inotakura mabhoti e-high-simba ndeyekuvimbisa kuti pasi pekushandiswa kwemazuva ose, simba rekuveura haripfuuri simba rekukwevera, iro rakafanana neicho che-friction-type high-strength bolts.Kana mutoro ukawedzera zvakare, kutsvedza kwehama kuchaitika pakati pemapureti ekubatanidza, uye kubatana kunoenderana nekudzivirira kweshear kwescrew uye kudzvanywa kwegomba remadziro kuendesa simba, iro rakafanana neakajairika mabhaudhi, saka iyo musiyano uripo pakati pesiruu neburi gomba idiki zvishoma, 1.0-1.5mm.
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Nguva yekutumira: Jun-01-2023