A selo yonyamula katundukwenikweni ndi chipangizo chomwe chimasintha chizindikiro chachikulu kukhala mphamvu zamagetsi zoyezeka. Mukagwiritsa ntchitoselo yonyamula katundu, malo enieni ogwirira ntchito aselo yonyamula katundu choyamba, chomwe chili chofunikira kwambiri pa kusankha bwino kwaselo yonyamula katunduZikugwirizana ndi ngatiselo yonyamula katundu imatha kugwira ntchito bwino, chitetezo chake ndi nthawi yake yogwirira ntchito, komanso kudalirika ndi chitetezo cha chida chonse choyezera.
Zotsatira za chilengedwe paselo yonyamula katundu makamaka zikuphatikizapo zinthu zotsatirazi:
(1) Kutentha kwambiri kumabweretsa mavuto monga kusungunuka kwa zinthu zokutira, kuwotcherera kotseguka kwa malo olumikizirana, komanso kusintha kwa kapangidwe kake mu kupsinjika kwa mkati mwa elastomer.selo yonyamula katunduimagwira ntchito m'malo otentha kwambiri, kutentha kwambiriselo yonyamula katundunthawi zambiri amagwiritsidwa ntchito; Kuphatikiza apo, zida monga zotetezera kutentha, kuziziritsa madzi kapena kuziziritsa mpweya ziyenera kuwonjezeredwa.
(2) Mphamvu ya fumbi ndi chinyezi pa short circuit yaselo yonyamula katunduMu mkhalidwe wa chilengedwe uwu,selo yonyamula katundu ndi okwerampweya-kulimba ziyenera kusankhidwa. Zosiyanaselo yonyamula katunduali ndi njira zosiyanasiyana zotsekera, ndipompweya-kulimba ndi zosiyana kwambiri.
Zisindikizo zodziwika bwino zimaphatikizapo kudzaza kapena kuphimba zomatira; mapepala a rabara amamangiriridwa ndi kutsekedwa ndi makina; kuwotcherera (argon arc welding, plasma beam welding) ndi zisindikizo zodzaza ndi vacuum nitrogen.
Poganizira za kutseka, kutseka kowotcherera ndiye kwabwino kwambiri, ndipo chotseka chodzaza ndi chophimba ndiye chotsika kwambiri.selo yonyamula katunduzomwe zimagwira ntchito m'nyumba yoyera komanso youma, mutha kusankha guluu wotsekedwaselo yonyamula katundundipo kwa enaselo yonyamula katunduNgati mumagwira ntchito pamalo ozizira komanso a fumbi, muyenera kusankha chosindikizira kutentha cha diaphragm kapena chosindikizira cholumikizira diaphragm, chopopera Vacuum nitrogen yodzazidwa ndi vacuum.selo yonyamula katundu.
(3) Mu malo owononga kwambiri, monga chinyezi ndi asidi, zomwe zingawononge elastomer kapena kuyambitsa short circuit, pamwamba pa nthaka payenera kupopedwa kwambiri kapena kupopedwa.yokutidwa ndichitsulo chosapanga dzimbiri, chomwe chili ndi kukana dzimbiri komanso chabwinokutsekeka kwa mpweya.
(4) Mphamvu ya mphamvu ya maginito paloaselo la d chizindikiro cha vuto la kutuluka. Pankhaniyi, chitetezo chaloaselo la d iyenera kufufuzidwa mosamala kuti ione ngati ili ndi kukana kwabwino kwa maginito.
(5) Zoyaka moto komanso zophulika sizimangowononga zinthu zonseselo yonyamula katundu, komanso zimaika pachiwopsezo chachikulu pa zida zina ndi chitetezo cha munthu. Chifukwa chake,selo yonyamula katunduKugwira ntchito m'malo oyaka moto komanso ophulika kumapereka zofunikira zapamwamba kuti zigwire bwino ntchito: kulimbaselo yonyamula katundus ziyenera kusankhidwa m'malo oyaka moto komanso ophulika. Chivundikiro chotseka cha iziselo yonyamula katundu sayenera kungoganizira za iye yekhakutsekeka kwa mpweya, komanso Mphamvu yosaphulika, komanso mphamvu yosalowa madzi, yosanyowa komanso yosaphulika ya zingwe ziyenera kuganiziridwa.
Kachiwiri, kusankha nambala ndi mtundu waselo yonyamula katundus.
Kusankhidwa kwa chiwerengero chaselo yonyamula katundus imatsimikiziridwa malinga ndi cholinga cha chida choyezera zamagetsi ndi kuchuluka kwa mfundo zomwe thupi la sikelo liyenera kuthandizira (chiwerengero cha mfundo zothandizira chiyenera kutsimikiziridwa malinga ndi mfundo yoti pakati pa mphamvu yokoka ya thupi la sikelo zigwirizane ndi pakati lenileni la mphamvu yokoka). Kawirikawiri, zingaposelo yonyamula katundus amagwiritsidwa ntchito pa thupi la sikelo yokhala ndi mfundo zingapo zothandizira. Komabe, pa matupi ena apadera monga sikelo yamagetsi, chimodzi chokhaselo yonyamula katundu ingagwiritsidwe ntchito. Kwa enamwamagetsi miyeso yosakanikirana, kusankha kwaselo yonyamula katundu ziyenera kutsimikiziridwa malinga ndi momwe zinthu zilili.
Kusankhidwa kwaselo yonyamula katundu mtunda ukhoza kudziwika malinga ndi kuwunika kwathunthu kwa zinthu monga kulemera kwakukulu kwa sikelo, chiwerengero cha osankhidwaselo yonyamula katundus, kulemera kwa thupi la sikelo, katundu wochuluka kwambiri wosiyana ndi katundu wosiyanasiyana. Kawirikawiri, kuchuluka kwa katundu komwe kuliposelo yonyamula katundu ndi katundu woperekedwa kwa aliyenseselo yonyamula katundu, kulemera kwake kudzakhala kolondola kwambiri. Komabe, pakugwiritsa ntchito kwenikweni, popeza katundu wogwiritsidwa ntchito paselo yonyamula katundu Kuphatikizapo kulemera kwa thupi, kulemera kwa chinthu, katundu wosiyana ndi momwe sikelo imakhudzira komanso momwe imakhudzira kugwedezeka kwa chinthu chomwe chikuyesedwa, zinthu zambiri ziyenera kuganiziridwa posankha chinthucho.selo yonyamula katundu kuti zitsimikizire kutiselo yonyamula katundu chitetezo ndi moyo wautali.
Fomula yowerengera yaselo yonyamula katundu Kuchuluka kwa zinthu kumatsimikiziridwa kudzera mu mayeso ambiri pambuyo poganizira mokwanira zinthu zosiyanasiyana zomwe zimakhudza thupi la sikelo.
Fomula yake ndi iyi:
C=K-0K-1K-2K-3(Wmax+W)/N
C—chiwerengero cha anthu omwe ali ndi chiwerengero chimodziselo yonyamula katunduW—kulemera kwa thupi la sikelo; Wmax—mtengo wapamwamba kwambiri wa kulemera konse kwa chinthu chomwe chikuyesedwa; N—chiwerengero cha mfundo zothandizira zomwe zimagwiritsidwa ntchito ndi thupi la sikelo; K-0—chinthu cha inshuwalansi, nthawi zambiri chimakhala pakati pa 1.2 ndi 1.3; K-1—kuchuluka kwa zotsatira; K-2—pakati pa mphamvu yokoka ya thupi la sikelo; K-3—mphamvu ya mphepo.
Mwachitsanzo: sikelo ya galimoto yamagetsi ya 30t, kulemera kwakukulu ndi 30t, kulemera kwa thupi ndi 1.9t, pogwiritsa ntchito zinayiselo yonyamula katundus, malinga ndi momwe zinthu zinalili panthawiyo, sankhani chinthu cha inshuwaransi K-0=1.25, chinthu cha impact K-1=1.18, Pakati pa gravity offset coefficient K-2—=1.03, coefficient ya kuthamanga kwa mphepo K-3=1.02, yesani kudziwa kuchuluka kwa mphamvu yaselo yonyamula katundu.
Yankho: Werengerani fomula molingana ndiselo yonyamula katundu mtunda:
C=K-0K-1K-2K-3(Wmax+W)/N
Amadziwika kuti:
C=1.25×1.18×1.03×1.02×(30+1.9)/4
= 12.36t
Chifukwa chake,selo yonyamula katundu ndi mtunda wa 15t akhoza kusankhidwa (matani aselo yonyamula katundu nthawi zambiri ndi 10T, 15T, 20t, 25t, 30t, 40t, 50t, ndi zina zotero, pokhapokha ngati zalamulidwa mwapadera).
Malinga ndi zomwe zachitika,selo yonyamula katundu nthawi zambiri iyenera kugwira ntchito mkati mwa 30% mpaka 70% ya malo ake, koma pazida zina zoyezera zomwe zimakhala ndi mphamvu yayikulu yogwira ntchito, monga masikelo a njanji yamphamvu, masikelo agalimoto amphamvu, masikelo achitsulo, ndi zina zotero, posankhaselo yonyamula katundus, Kawirikawiri, ndikofunikira kukulitsa malo ake, kutiselo yonyamula katundu imagwira ntchito mkati mwa 20% mpaka 30% ya mulingo wake, kotero kuti malo osungira kulemera kwaselo yonyamula katundu yawonjezeka kuti iwonetsetse kuti chitetezo ndi moyo waselo yonyamula katundu.
Apanso, ganizirani momwe mtundu uliwonse waselo yonyamula katundu.
Kusankhidwa kwaselo yonyamula katundu Mtundu wa chipangizocho umadalira kwambiri mtundu wa chipangizocho ndi malo oikira kuti zitsimikizire kuti chipangizocho chili bwino komanso kuti chikhale chotetezeka komanso chodalirika; komano, malangizo a wopanga ayenera kuganiziridwa. Opanga nthawi zambiri amatchula momwe angagwiritsire ntchito chipangizocho.selo yonyamula katundu malinga ndi mphamvu yaselo yonyamula katundu, zizindikiro za magwiridwe antchito, mawonekedwe oyika, mtundu wa kapangidwe kake, ndi zinthu za elastomer. Mwachitsanzo, mtanda wa aluminiyamu wopangira chotenthetseraselo yonyamula katundus ndi oyenera masikelo amitengo, masikelo a nsanja, masikelo a kesi, ndi zina zotero; mtanda wachitsulo wa Cantileverselo yonyamula katunduMa s ndi oyenera ma scales a hopper, ma electronic lamba scales, ma scales osankhiramo, ndi zina zotero; mlatho wachitsuloselo yonyamula katundus ndi oyenera masikelo a sitima, masikelo a galimoto, masikelo a crane, ndi zina zotero; mzatiselo yonyamula katunduMa s ndi oyenera ma truck scales, dynamic rail scales, ndi ma scale akuluakulu a hopper. Dikirani.
Pomaliza, pali kusankhaselo yonyamula katundu kalasi yolondola.
Mulingo wolondola waselo yonyamula katundu zikuphatikizapo zizindikiro zaukadaulo mongaselo yonyamula katundu's nonlinearity, creep, creep recovery, hysteresis, repeatable, ndi sensitivity. Posankhaselo yonyamula katundus, musamangotsatira zinthu zapamwambaselo yonyamula katundus, koma ganizirani kukwaniritsa zofunikira zonse ziwiri za sikelo zamagetsi komanso mtengo wake.
Kusankhidwa kwaselo yonyamula katundu kalasi iyenera kukwaniritsa zofunikira ziwiri izi:
1. Kukwaniritsa zofunikira za chipangizo cholowetsa. Chida chowonetsera kulemera chikuwonetsa zotsatira zoyezera pambuyo pokonza chizindikiro chotulutsa chaselo yonyamula katundu kudzera mu kukulitsa ndi kusintha kwa A/D. Chifukwa chake, chizindikiro chotulutsa chaselo yonyamula katundu iyenera kukhala yayikulu kapena yofanana ndi kukula kwa chizindikiro cholowera chomwe chimafunikira ndi mita, ndiko kuti, mphamvu yotulutsa yaselo yonyamula katundu imalowedwa m'malo ndi fomula yofananira yaselo yonyamula katundu ndi mita, ndipo zotsatira za kuwerengera ziyenera kukhala zazikulu kapena zofanana ndi mphamvu yolowera yomwe ikufunika ndi mita.
Fomula yofananira yaselo yonyamula katundu ndi mita:
Lselo la oad mphamvu yotulutsa * mphamvu yotulutsa mphamvu yosonkhezera * kulemera kwakukulu kwa sikelo
Chiwerengero cha magawo a sikelo * chiwerengero chaselo yonyamula katundus * mtundu waselo yonyamula katundu
Mwachitsanzo: sikelo yokwanira yonyamula katundu yolemera 25kg, chiwerengero chachikulu cha magawo ndi 1000. TThupi la sikelo limagwiritsa ntchito mtundu wa 3 L-BE-25selo yonyamula katundus, mtunda ndi 25kg, kukhudzidwa ndi 2.0±0.008mV/V, mphamvu ya voteji ya mlatho wa arch ndi 12V. TSikelo yake imagwiritsa ntchito mita AD4325. Funsani ngatiselo yonyamula katundu chogwiritsidwa ntchito chingafanane ndi mita.
Yankho: Pambuyo pofunsa, mphamvu ya AD4325 mita ndi 0.6.μV/d, motsatira njira yofananira yaselo yonyamula katundu ndi mita, chizindikiro chenicheni cholowera cha mita chingapezeke motere:
2×12×25/1000×3×25 = 8μV/d>0.6μv/d
Chifukwa chake,selo yonyamula katundu Chogwiritsidwa ntchito chikukwaniritsa zofunikira za momwe chidacho chikumvera ndipo chingagwirizane ndi chida chosankhidwa.
2. Kukwaniritsa zofunikira zolondola za sikelo yonse yamagetsi. Sikelo yamagetsi imapangidwa makamaka ndi zigawo zitatu: thupi la sikelo,selo yonyamula katundu ndi chida. Posankha kulondola kwaselo yonyamula katundu, kulondola kwaselo yonyamula katundu iyenera kukhala yokwera pang'ono kuposa mtengo wowerengera wa chiphunzitso, chifukwa chiphunzitsocho nthawi zambiri chimakhala chocheperako chifukwa cha mikhalidwe yeniyeni, monga sikelo. Mphamvu ya thupi ndi yoyipa pang'ono, magwiridwe antchito a chida si abwino kwambiri, malo ogwirira ntchito a sikelo ndi oipa pang'ono komanso zinthu zina mwachindunjizimakhudza zofunikira pa kulondolaya sikelo.
Nthawi yotumizira: Ogasiti-11-2022