Bolt ea ho atolosa ke sehokelo se khethehileng sa khoele se sebelisetsoang ho lokisa phala ea tšehetso / phahamisa / bracket kapa lisebelisoa leboteng, fatše kapa kholomo.Litefiso tsa liboutu tsa tšepe tsa k'habone li arotsoe ka 3.6,4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9 le limaraka tse ling tse fetang 10. Linomoro pele le ka mor'a ntlha ea decimal ka ho latellana li bonts'a matla a tsitsitseng le chai. ea thepa ea bolt, mohlala: ho tšoaea liboutu tsa 8,8 ho bontša hore matla a ho tiea ha thepa a fihla ho 800MPa, 'me matla a tlhahiso ke 0.8, ke hore, matla a tlhahiso a fihla ho 800×0.8=640MPa.
Lisebelisoa:
Likarolo tsa liboutu tsa katoloso li arotsoe ka 45, 50, 60, 70 le 80. Thepa e arotsoe haholo-holo ka austenite A1, A2, A4;Martensite le ferrite C1, C2, C4; Kemelo ea eona, mohlala, A2-70;”- ” pele le ka morao ho bontša thepa ea bolt le kereiti ea matla ka ho latellana.(1) Thepa ea bolt e sebelisoang hangata: Q215, Q235, 25 le 45 tšepe, bakeng sa likarolo tsa khokahanyo tsa bohlokoa kapa tse khethehileng, li ka khetha 15Cr, 20Cr, 40Cr, 15MnVB, 30CrMrSi le lisebelisoa tse ling tse phahameng tsa mochini oa tšepe ea alloy.(2) Khatello e lumelletsoeng Khatello e lumelletsoeng ea khokahanyo ea khoele e amana le tlhaho ea mojaro (moroalo o tsitsitseng, o feto-fetohang), ho sa tsotellehe hore na khokahanyo e tiisitsoe, hore na thepa ea pele e lokela ho laoloa, le lintho tse bonahalang le boholo ba sebopeho sa khokahanyo e khoele.
mofuta:
Mekhahlelo ea liboutu tsa tšepe e sa hloekang e arotsoe ka 45, 50, 60, 70, 80, thepa e arotsoe haholo ka austenite A1, A2, A4, martensite le ferrite C1, C2, C4, mokhoa oa eona oa ho bua joalo ka A2-70, "e le 'ngoe" pele le ka mor'a ho latellana bontša thepa ea bolt le kereiti ea matla.
e na le: Bolt ea katoloso e na le bolt ea countersunk, tube ea katoloso, washer e bataletseng, washer ea selemo le nate ea hex.
Ha e sebelisoa, ho hlokahala ho phunya lesoba la boholo bo lekanang holim'a 'mele o tsitsitseng ka mochine o nang le tšusumetso (hamore), ebe o kenya bolt le tube ea ho atolosa ka sekoting, ebe o tiisa linate ho etsa bolt, tube ea ho atolosa. , karolo ea ho kenya le 'mele o tsitsitseng o atoloha ka thata ho e le' ngoe. Ka mor'a ho tiisa ho tla atolosoa, mohatla oa bolt o na le hlooho e kholo, bolt e ka ntle e behile e kholoanyane ho feta bophara ba phala e pota-potileng, karolo ea mohatla e na le menyetla e mengata, ha bolt e tiisitsoe, mohatla oa hlooho e kholo o tla isoa ho bula phala ka hare, phala e kholo, ho finyella morero oa ho atolosa, ebe bolt e behiloe fatše kapa leboteng, ho finyella morero oa ho rooting. .
Liboutu tsa katoloso tsa sehlopha sa 4.6, se bolelang: 1, matla a ho sisinyeha a bolt a katoloso a fihla boemong ba 400MPa; 2.Karo-karolelano ea flexion ea lisebelisoa tsa bolt ea ho atolosa ke 0.6; 3, matla a tlhahiso ea lihlahisoa tsa lisebelisoa tsa ho atolosa ke 400 × 0.6 = 240MPaMoelelo oa boemo ba ts'ebetso ea bolt ea ho atolosa ke maemo a machaba, boemo bo tšoanang ba ts'ebetso ea bolt ea ho atolosa. , ho sa tsotellehe phapang ea thepa le tšimoloho, ts'ebetso ea eona e ts'oana, moqapi o ka khetha feela boemo ba ts'ebetso.
Litaba tse hlokang tlhokomelo:
1, botebo ba ho phunya: botebo ba mohaho o khethehileng bo molemo ho feta bolelele ba tube ea ho atolosa hoo e ka bang 5 mm.Hafeela e le kholo ho feta kapa e lekana le bolelele ba tube ea ho atolosa, bolelele ba bolt ea ho atolosa ka hare e setseng fatše e lekana kapa e ka tlaase ho bolelele ba tube ea ho atolosa.2, litlhoko tsa bolt ea ho atolosa ka hare. fatše, ha e le hantle, ho thata haholoanyane, ho boetse ho itšetlehile ka matla a ntho eo u lokelang ho e lokisa.Matla a matla a kenngoa ka konkreite (C13-15) ke makhetlo a mahlano ho 'mele oa litene.3.Ka mor'a ho kenya ka nepo bolt ea ho atolosa ka hare ea M6/8/10/12 ka konkreite, matla a eona a phahameng ka ho fetisisa a tsitsitseng ke 120/170/320/510 kg ka ho latellana.Mokhoa oa ho kenya bolt ea ho atolosa ka hare ha o thata haholo, ts'ebetso e khethehileng ke e latelang;Qala ka ho khetha motsoako oa motsoako o nang le bophara bo lekanang le selikalikoe sa ho atolosa (tube) ea "screw" ea ho atolosa, e kenye holim'a mochine oa motlakase ebe o etsa ho phunya leboteng, botebo ba lesoba bo lekana hantle le bolelele ba bolt. , ebe o beha sekoti sa katoloso tlase sekoting, hopola;U se ke ua screw tima screw, ho thibela lesoba cheka ke batlang e tebileng ha bolt oela ka sekoting 'me ha ho molemo ho ntša.Ebe u fafalletsa screw screw 2-3 buckle ka mor'a hore u utloe hore boutu ea ka hare e tiile empa ha e lokolohe, ebe o phurufalla screw screw.
