High-amandla umshudo uxhumano ngokusebenzisa omkhulu qinisa ukuzenzisa umshudo induku ngaphakathi ipuleti uxhumano ipuleti clamping ucezu, okwanele ukukhiqiza okuningi ukungqubuzana, ukuze kuthuthukiswe ubuqotho nokuqina uxhumano, lapho phuca, ngokuhambisana nezidingo umklamo kanye nokucindezeleka ihlukile, zingahlukaniswa zibe uhlobo friction high amandla umshudo uxhumano kanye nomfutho ophakeme umkhawulo iwukuba umehluko ezimbili ezibalulekile phakathi ingcindezi uhlobo umshudo ezimbili, umkhawulo ingcindezi iwukuba umkhawulo ezimbili ezibalulekile iwukuba umehluko phakathi kwe-bolt amandla amabili ahlukene, umkhawulo owodwa ubalulekile, umehluko phakathi kwe-bolt nokucindezela okukhulu. uhlobo lwebhawodi, kodwa indlela yokubala, izidingo, ububanzi bokusebenza kwehluke kakhulu.Ekuklanyweni kwe-shear, ukuxhunyaniswa kwebhawudi enamandla amakhulu kubhekisela kumandla amakhulu okungqubuzana okungahlinzekwa ngamandla okuqinisa ibhawodi phakathi kwamandla angaphandle okugunda kanye nendawo yokuxhumana yepuleti njengesimo somkhawulo, okungukuthi, ukuqinisekisa ukuthi amandla okugunda angaphakathi nangaphandle angeqi phakathi nesikhathi sokugunda kwezindebe angeqi. ukuwohloka kwepuleti (igebe langempela phakathi kwesikulufu nodonga lwembobo lihlala ligcinwa).Ekuklanyweni kwe-shear, uhlobo lwengcindezi ephezulu yokuxhumeka kwebholithi luvunyelwe kumandla ogunda angaphandle adlula amandla okungqubuzana aphezulu, isihlobo esishelelayo phakathi kwe-deformation yepuleti elixhunyiwe, kuze kube yilapho ukuxhumana kwebhawodi nodonga lwembobo, bese kuxhunywa ku-shear ye-bolt shaft kanye nengcindezi odongeni lwembobo kanye nokucindezela odongeni lwembobo kanye nokucindezela odongeni lwembobo, ukuxhumana nodonga oluhlangene Kafushane nje, amabhawodi anamandla amakhulu ohlobo lokungqubuzana kanye nohlobo oluthwala ukucindezela amabhawodi anamandla aphezulu awuhlobo olufanayo lwamabhawodi, kodwa umklamo
Ukushelela akubhekwa.Ibhawodi eliqinile eliqinile alikwazi ukushelela, ibhawodi alinawo amandla okugunda, uma usheleli, umklamo uthathwa njengofinyelela esimweni sokwehluleka, uvuthiwe kubuchwepheshe;Amabhawodi anamandla aphezulu akwazi ukushelela, namabhawodi nawo anamandla okugunda. Umonakalo wokugcina ulingana nowamabhawodi ajwayelekile (i-shear yebhawudi noma i-steel plate crushing). Ngokombono wokusetshenziswa:
Uxhumo lwebhawodi lwelungu eliyinhloko lesakhiwo sesakhiwo ngokuvamile lwenziwa ngebholidi enamandla amakhulu.Amabhawodi avamile angasetshenziswa kabusha, amabhawodi anamandla aphakeme awakwazi ukuphinda asetshenziswe.Amabhawodi amandla aphezulu ngokuvamile asetshenziselwa ukuxhumana unomphela.
Ama-bolts anamandla amakhulu ama-bolts ane-prestressed, uhlobo lokungqubuzana nge-torque wrench ukuze kusetshenziswe i-prestress enqunyiwe, uhlobo lokucindezela olususa ikhanda le-plum.Ama-bolts ajwayelekile anokusebenza okungekuhle kwe-shear futhi angasetshenziswa ezingxenyeni zesakhiwo sesibili.Amabhawodi ajwayelekile adinga ukuqiniswa kuphela.
Amabhawodi ajwayelekile ngokuvamile ayikilasi 4.4, ikilasi 4.8, ikilasi 5.6 kanye nekilasi 8.8.Amabhawodi anamandla aphezulu ngokuvamile angu-8.8 no-10.9, angu-10.9 amaningi.
I-8.8 yizinga elifanayo ne-8.8S.Izakhiwo zemishini kanye nezindlela zokubala ze-bolt ezijwayelekile kanye ne-high-strength bolt zihlukile.Ukucindezeleka kwe-bolt yamandla aphezulu kuqala ngokusetshenziswa kwe-pretension P ngaphakathi kwayo kwangaphakathi, bese-ke ukumelana nokungqubuzana phakathi kwendawo yokuxhumana yesiqeshana sokuxhuma ukuthwala umthwalo wangaphandle, futhi ithwala umthwalo ovamile wangaphandle ngokuqondile.
Ukuxhumeka kwebholidi yamandla aphezulu kunezinzuzo zokwakha okulula, ukusebenza kahle kwemishini, okungenakugwemeka, ukumelana nokukhathala, nangaphansi kwesenzo somthwalo oguquguqukayo, okuyindlela yokuxhumana ethembisa kakhulu.
Ibhawodi yamandla aphezulu iwukusebenzisa isikrufu esikhethekile ukuqinisa inathi, ukuze ibhawudi likhiqize ukuzenzisa okukhulu futhi okulawulwayo, ngokusebenzisa nati kanye nepuleti, ukuze lixhunywe inani elifanayo lokucindezela kwangaphambili.Ngaphansi kwesenzo se-pre-pressure, amandla amakhulu okungqubuzana azokwenziwa eduze kobuso besiqephu esixhunyiwe. Ngokusobala, inqobo nje uma i-axial force ingaphansi kwalokhu kuqhuma kwamandla, ilungu ngeke lishelele futhi ukuxhumana ngeke konakale. Lona umgomo wokuxhumeka kwebhawodi lamandla aphezulu.
Uxhumano lwebhawodi lamandla amakhulu luncike emandleni okungqubuzana phakathi kwezindawo zokuthintana zezingxenye ezixhumayo ukuze kuvinjelwe ukushelela okuhlanganyelwe. Ukuze ube namandla okwanele okungqubuzana ezindaweni ezithintana naye, kuyadingeka ukwandisa amandla okubamba kanye ne-coefficient yokungqubuzana kwezindawo zokuxhumana zamalungu.Amandla okuqinisa phakathi kwamalungu atholakala ngokusebenzisa i-pretension kuma-bolts, ngakho-ke amabhawodi kufanele enziwe ngensimbi enamandla amakhulu, yingakho ebizwa ngokuthi ukuxhunywa kwebhawudi enamandla amakhulu.
Ekuxhumekeni kwebhawodi lamandla amakhulu, i-coefficient yokungqubuzana inethonya elikhulu kumthamo wokuthwala.Ukuhlola kubonisa ukuthi i-coefficient yokushayisana ithintwa ikakhulukazi uhlobo lwendawo yokuthintana nezinto ze-component.Ukuze kwandiswe i-coefficient yokungqubuzana kwendawo yokuxhumana, izindlela ezifana nokuqhunyiswa kwesihlabathi nokuhlanza ibhulashi lezintambo zivame ukusetshenziswa ekwakhiweni ukwelapha indawo yokuxhumana yezingxenye ngaphakathi kohlu lokuxhuma.
Isikhathi sokuthumela: Jun-08-2019