Iinkcukacha zeeBolts zamandla aphezulu
Ngokwemeko yoxinzelelo, inokwahlulwa ibe luhlobo lwengxabano kunye nohlobo loxinzelelo: Ngokwenyani, kukho umahluko kuyilo kunye neendlela zokubala.Uhlobo lwe-friction high-high-power bolts luthatha i-slip phakathi kwamacwecwe njengelizwe elilinganiselweyo lokuthwala umthamo.Iibholiti ze-Type-I eziphakamileyo zithatha ukutyibilika phakathi kwee-slabs njengemeko yesiqhelo somda, kunye nokungaphumeleli koxhulumaniso njengobume bomda wokuthwala umthamo.Iibholiti zokuqina ezikhuhlayo azikwazi ukunika umdlalo opheleleyo kwisakhono seebholithi.Kwisicelo esisebenzayo, uhlobo lwe-friction high-high-forty bolts kufuneka lusetyenziswe kwizakhiwo ezibaluleke kakhulu okanye izakhiwo ezithwele imithwalo eguquguqukayo, ngakumbi xa imithwalo ibangela uxinzelelo olubuyela umva.Ngeli xesha, amandla ebholithi angasetyenziswanga angasetyenziswa njengendawo yokugcina ukhuseleko.Ukongezelela, iibholiti ezinoxinzelelo oluphezulu kufuneka zisetyenziswe ukunciphisa iindleko.
Ngokobuchwephesha bokwakha, yahlulwe yaba: uhlobo lwe-torsional shear high-strength bolt kunye ne-hexagonal high-strength bolt.Ibholithi ene-hexagonal high-strength grade yeyomgangatho ophezulu we-screws eziqhelekileyo, ngelixa i-torsional shear type high-strength bolt luhlobo oluphuculweyo lwebholithi yokuqina kwe-hexagonal, ukuze kwakhiwe ngcono.Ukwakhiwa kweebholiti zokuqina okuphezulu kufuneka kujikelezwe kuqala kwaye ekugqibeleni, kwaye uhlobo lwempembelelo yombane okanye i-torque-adjustable wrench yombane kufuneka isetyenziselwe ukukrazula kokuqala kweebholiti zamandla aphezulu;Nangona kunjalo, kukho iimfuno eziqinileyo zokuqiniswa kokugqibela kweebholiti eziphezulu.Ukuqiniswa kokugqibela kohlobo lweebholithi eziguquguqukayo ezomeleleyo kufuneka kusetyenziswe isikrufu sombane sohlobo lokucheba, kwaye ukuqiniswa kokugqibela kohlobo lwetorque ezomeleleyo iibholithi kufuneka kusetyenziswe uhlobo lwetorque yokutshixa sombane.Ibholithi enehexagonal ibandakanya ibholithi, indongomane kunye neewasha ezimbini.Uhlobo lwe-shear-high-strength bolt luqukethe i-bolt, i-nut kunye ne-washer.
1. I-Bolt-high-strength bolt: Olu hlobo lwe-bolt yamandla aphezulu lusetyenziselwa ukudibanisa phakathi kwe-static okanye i-sliding encinci ye-structural components.Kuyimfuneko ukuba ibholithi ephezulu yokuqina isetyenziselwe ukunyanzeliswa koxinzelelo olunamandla kunye nokumelana nokucheba okuqinileyo.
2. I-Friction-type high-strength bolt: Olu hlobo lwe-bolt high-strength bolt lusetyenziselwa ukudibanisa phakathi kwenkqubo ye-braking kunye nezakhiwo ezibalulekileyo ezithwele imithwalo eguquguqukayo, njengokudityaniswa kwe-crane enzima kunye ne-web beams eqinile.
3. Iibholiti zodidi oluphezulu lwe-Tensile: Imfuno esisiseko yolu hlobo lweebholiti eziphakamileyo kukuba iibholiti azikho lula ukuguqula, ukuphuka okanye ukuwa phantsi koxinzelelo olunamandla, njl. iinxalenye.
Iibholiti eziphakamileyo eziphezulu zifanelekile kwizindlu ezinkulu ze-span, izakhiwo zetsimbi zezityalo zoshishino, izakhiwo zesakhelo zensimbi zezakhiwo eziphakamileyo, izakhiwo zebhulorho, oomatshini bokuphakamisa obunzima kunye nezinye izakhiwo ezibalulekileyo.
Ngokohlobo loqhagamshelwano, kukho ezi ntlobo zintathu zilandelayo:
(1) Ufakelo kunye nohlobo lokusula iibholiti ezinokuqina okuphezulu zilungele ukudityaniswa kwe-beam-column kwizakhiwo zesakhelo sentsimbi, ukudityaniswa kwe-crane enzima kwizityalo zoshishino, ukudityaniswa kwe-web eqinile, iinkqubo zokuqhawula kunye nezakhiwo ezibalulekileyo ezithwele imithwalo enamandla.
(2) Iibholiti ezinoxinzelelo oluphezulu zingasetyenziselwa ukudibaniswa kwe-shear kwizakhiwo zomthwalo we-static ezivumela ubungakanani obuncinci be-sliding okanye kumacandelo athwala ngokungathanga ngqo imithwalo eguquguqukayo.
(3) Iibholiti eziqinileyo eziqinileyo zinamandla aphantsi okudinwa kuxinzelelo, kwaye amandla azo okuthwala akakwazi ukudlula ngokulula i-0.6P (P phantsi komthwalo oguqukayo (P yi-axial force evumelekileyo yeebholiti) Ngoko ke, ifanelekile kuphela ukusetyenziswa phantsi kwe-static umthwalo, njenge-flange butt joint kunye ne-T-joint ye-compression bar.
Ixesha lokuposa: Jun-27-2022