Iibholiti ezimile okwe-U zizinto ezingezizo ezisemgangathweni ezidla ngokusetyenziselwa ukulungisa iityhubhu ezifana nemibhobho yamanzi okanye iisheet springs ezifana neemoto leaf springs. Ngenxa yesimo sayo esimile okwe-U, inokudityaniswa neenati, ngoko ke ikwaziwa ngokuba ziibholiti ezimile okwe-U okanye iibholiti zokukhwela.
Iimilo eziphambili zeebholiti ezimile okwe-U ziquka i-semicircle, i-engile yesikwere ekunene, unxantathu, unxantathu obhityileyo njalo njalo. Iibholiti ezimile okwe-U ezineempawu ezahlukeneyo zezinto, ubude, ububanzi kunye namanqanaba amandla zinokukhethwa ngokweendawo ezahlukeneyo zokusetyenziswa kunye neemfuno.
Uneendlela ezahlukeneyo zokusetyenziswa, ezisetyenziswa kakhulu ekwakheni nasekufakeni, ekuqhagamshelweni kwezixhobo zoomatshini, kwizithuthi nakwiinqanawa, kwiibhulorho, kwiitonela, koololiwe nakwezinye iindawo. Kwiilori, ii-U-bolts zisetyenziselwa ukuzinzisa indawo yemoto kunye nefreyimu. Umzekelo, intwasahlobo yamagqabi iqhagamshelwe ngeebolts ezimile okwe-U.
Ukukhetha inqanaba leBolt.
Amanqanaba ebholiti adla ngokwahlulwahlulwa abe ziintlobo ezimbini: iibholiti ezinamandla aphezulu kunye neebholiti eziqhelekileyo. Xa ukhetha umgangatho webholiti, kufuneka uqwalaselwe ngokwemeko-bume yokusetyenziswa, iimpawu zamandla, izinto ezikrwada njalo njalo.
1. Ngokwembono yezinto ezisetyenziswa kudala: iibholiti ezinamandla aphezulu zenziwe ngezinto ezinamandla aphezulu, njengentsimbi engama-45 #, intsimbi engama-40 boron, intsimbi engama-20 manganese titanium boron. Iibholiti eziqhelekileyo zihlala zenziwe ngentsimbi ye-Q235.
ezimbini.. Ngokuphathelele umgangatho wamandla, iibholiti ezinamandla aphezulu ezisetyenziswa rhoqo zii-8.8s kunye nee-10.9s, apho i-10.9S yeyona isetyenziswa kakhulu. Amanqanaba amandla eebholiti eziqhelekileyo yi-4.4, 4.8, 5.6 kunye ne-8.8.
3. Ngokwembono yeempawu zoomatshini: iibholiti ezinamandla aphezulu zisebenzisa i-pre-tension kwaye zidlulisa amandla angaphandle ngokungqubana. Kwelinye icala, uqhagamshelo oluqhelekileyo lwebholiti luxhomekeke ekuxhathiseni kwentonga yebholiti kunye noxinzelelo eludongeni lomngxuma ukuhambisa amandla okunqunqa, kwaye i-pre-tension incinci kakhulu xa kuqiniswa i-nut. Ke ngoko, iimpawu zoomatshini kufuneka ziqwalaselwe kwisicelo.
4. Ngokwembono yokusetyenziswa: uqhagamshelo olunamabholiti lwezinto eziphambili zesakhiwo sesakhiwo ludla ngokudityaniswa ngamabholiti anamandla aphezulu. Amabholiti aqhelekileyo anokusetyenziswa kwakhona, ngelixa amabholiti anamandla aphezulu angenakusetyenziswa kwakhona kwaye adla ngokusetyenziselwa uqhagamshelo olusisigxina.
Ngamafutshane, xa sikhetha iinkcukacha kunye nomgangatho webholiti yebholiti enomfanekiso we-U, kufuneka siqwalasele izinto ezisetyenzisiweyo, umgangatho wamandla kunye neempawu zoxinzelelo zebholiti ngokwemfuno yokwenyani kunye nendawo yokusetyenziswa, kwaye sikhethe imveliso efanelekileyo ukuze sifezekise isiphumo sokhuseleko, uzinzo kunye nokuthembeka.