What Is a Double Torsion Spring?
Ufuna amandla ajikelezayo, kodwa kumthombo omnye ojikijelwayo ubangela ukonakala ebandleni lenu. Oku kukhokelela ekunxibeni okungalinganiyo, ukusebenza okungazinzanga, kwaye ekugqibeleni, imveliso enokusilela kwangethuba.
I-spring torsion ephindwe kabini yinto enye yocingo eyenziwe kwiikhoyili ezimbini ezidibeneyo, inxeba elinye lasekhohlo kunye nelinye lasekunene. Olu yilo lunikezela amandla ajikelezayo alinganayo ukusuka kwindawo ephakathi, ukuphinda kabini itorque kwindawo exineneyo.
I've worked with many engineers who were struggling with complex linkage systems to try and balance the force from a single spring. Kwiimeko ezininzi kwezo meko, isisombululo sasilula ngakumbi. Imithombo ye-torsion ephindwe kabini ihlala ibonelela ngozinzo kunye namandla ababewadinga ngaphandle kweendawo ezongezelelweyo kunye nobunzima. Olu yilo lukrelekrele lucombulula iingxaki ezingakumbi zoomatshini kunokuba abantu abaninzi becinga. Enye yezona ndlela zisebenzayo zokufumana i-torque eninzi elungeleleneyo ukusuka kwicandelo elincinci kakhulu.
Isebenza njani iNtwasahlobo yeTorsion ephindwe kabini ngokwahlukileyo komnye?
Uyabona a intwasahlobo ye-torsion ephindwe kabini[^ 1] kwaye ibonakala ngathi yimithombo emibini edityanisiweyo kunye. You're not sure what the real functional advantage is or why this design is even necessary.
A intwasahlobo ye-torsion ephindwe kabini[^ 1] isebenza ngokubonelela ezimbini ezilinganayo nezichasanayo torque[^2] iziphumo ukusuka kwenye, indawo yeankile ezinzileyo. Olu yilo lubonakalisiweyo lucima amandla okulayisha asecaleni okwenziwa sisiphethu se-torsion esisodwa, isiphumo esisulungekileyo, intshukumo ejikelezayo elungeleleneyo.
One of the first things I learned when designing with torsion springs is that a single spring doesn't just rotate—it also wants to shift sideways. Ndakha ndadibana neprojekthi yesixhobo sonyango esinesiciko esinehenjisi ekwakufuneka sivuleke kakuhle nangokuphindaphindiweyo ngaphandle kokuhexa.. Uyilo lwantlandlolo lusebenzise umthombo omnye owomeleleyo we-torsion, kodwa isiciko siya kusoloko sijijeka kancinci, ebangela ukuba ibophe ngokuhamba kwexesha. Siyitshintshe nge-double torsion spring. Ingxaki yaphela ngoko nangoko. Amandla alungeleleneyo asuka kwiikhoyili ezimbini agcina ihenjisi ilungelelaniswe ngokugqibeleleyo kumawaka emijikelo.
Umgaqo weTorque eLungileyo
Inzuzo engundoqo ye intwasahlobo ye-torsion ephindwe kabini[^ 1] ilele kuyilo lwayo olulingeneyo. It's not just two springs; it's a balanced system.
- Ii-Mirrored Coils: Umthombo wenziwa ngocingo olunye oluqhubekayo, ngekhoyili yenxeba lasekunene kwelinye icala kunye nekhoyili yenxeba lasekhohlo kwelinye. Xa ikhoyili enye ilayishwa kwicala elinye, enye ilayishwe ngokuchaseneyo, ukudala imeko yokulingana.
- Ukurhoxisa iMikhosi yeLateral: Njengomoya omnye we-torsion spring, yenza amandla e-perpendicular kwi-axis yayo. Kwintwasahlobo ye-torsion ephindwe kabini, iikhoyili ezimbini zisebenzisa amandla asecaleni alinganayo nachaseneyo, ezirhoxisa enye kwenye. Oku kubangela ukuba torque ecocekileyo[^ 3]e](https://en.wikipedia.org/wiki/Torque)[^2] ngaphandle kokulayisha ecaleni okungafunekiyo kwindibano yakho.
| Uphawu | I-Single Torsion Spring | Intlakohlaza yeTorsion ephindwe kabini |
|---|---|---|
| Imveliso yeTorque | Umgangatho (T) | Phantse kabini (2T) |
| Nyanzelisa ibhalansi | Ukungalungelelani (yenza umthwalo wecala) | Ilungelelene (akukho mthwalo wecala lomnatha) |
| Uzinzo | Ungatshintsha okanye "uhambe" kwindawo yayo | Izinzile kakhulu ngenxa ye-ankile esembindini |
| Ukunyuka | Ifuna intonga yenkxaso | Inokulungiswa kwibhulorho esembindini |
Kufuneka ukhethe nini iNtwasahlobo yeTorsion ephindwe kabini kuYilo lwakho?
Udinga amandla ajikelezayo[^ 4] kwimveliso yakho, but you're not sure if the application is right for the unique properties of a intwasahlobo ye-torsion ephindwe kabini[^ 1].
Kuya kufuneka ukhethe intwasahlobo ye-torsion ephindwe kabini nanini na isicelo sakho sifuna phezulu torque[^2] kwindawo encinci, ibhalansi ejikelezayo egqibeleleyo, okanye isixhobo esizinzileyo esichasayo ukujija kunye nokulayisha ecaleni. Ukusetyenziswa okuqhelekileyo kubandakanya iihenjisi ezinzima, ezichaseneyo, kunye namalungu adibeneyo.
Ndikhumbula ndisebenza nenkampani eyayiyila izifuba zezixhobo eziphezulu. Isiciko sasinzima kakhulu, kwaye babedinga indlela yokuyenza ivakale ikhaphukhaphu kwaye ivale kakuhle ngaphandle kokumbakraza. Babezama ukudibanisa imithombo emibini emikhulu ye-torsion enye kwihenjisi, kodwa yayiqinile kwaye ukulungelelaniswa kwakunzima. Siyile enye, intwasahlobo enamandla ye-torsion ephindwe kabini ukuze ithathe indawo yazo. Yayixhonywe kakuhle embindini wehenjisi, kunikwe amandla angaphezu kwaneleyo okumelana nesivalo esinzima, nangenxa yokuba amandla ayelungelelene ngokugqibeleleyo, isiciko savuleka savaleka ngaphandle kokuhexa.
Iimeko ezingundoqo zeSicelo
Olu yilo lwentwasahlobo lugqwesa kwiimeko ezithile apho ukulinganisela kunye namandla kubaluleke kakhulu.
- IiNkqubo zokuBalance: Kwizicelo ezifana nezivalo zamashishini, iibhedi ezilungelelanisiweyo esibhedlele, okanye iipali zokuxhoma ezinkulu, a intwasahlobo ye-torsion ephindwe kabini[^ 1] inikeza i torque ephezulu[^ 5]e](https://en.wikipedia.org/wiki/Torque)[^2] efunekayo ukunciphisa umthwalo onzima, iyenza ingabi nabunzima kumsebenzisi.
- Iindlela zokuHamba: Kwiimveliso apho a agudileyo, intshukumo ezinzileyo yehinge luphawu lomgangatho, njengakwiibhokisi zeglavu zemoto, iziko elithuthuzelayo, okanye iingcango zeprimiyamu yesixhobo, amandla alungeleleneyo avimbela ukujija kwaye aqinisekise ubomi obude benkonzo.
- Unxulumano kunye neLever Actuation: Xa a isixhobo sifuna eyomeleleyo[^6], amandla okubuyisela okuphakathi kwi-lever, njengakwiindidi ezithile zoomatshini okanye iileva zolawulo, a intwasahlobo ye-torsion ephindwe kabini[^ 1] inikeza loo mandla ngaphandle kokutyhala i-lever emacaleni.
| Uhlobo lwesicelo | Ingxaki Iyazisombulula | Umzekelo |
|---|---|---|
| Ukuchasana | Ukunciphisa umthwalo onzima kwindawo encinci. | Izivalo zesixhobo esinzima, iitafile zonyango. |
| Iihenjisi | Ikhusela ukujija kwaye iqinisekisa intshukumo egudileyo. | Iziko lokuthuthuzela iimoto, iindawo ezivaliweyo zepremium. |
| IiLevers & Abenzi bezinto | Ibonelela ngamandla, amandla okubuyela ku-zero. | Iibhodi eziqhotyoshwayo, Metsetgraps, ulawulo koomatshini. |
Uyichaza njani ngokuchanekileyo iNtwasahlobo yeTorsion ephindwe kabini?
You've decided a double torsion spring is right for your design, but you see multiple leg configurations and don't know which dimensions are the most critical to get right.
Ukucacisa i-spring torsion ephindwe kabini ngokuchanekileyo, kufuneka uchaze i-diameter yocingo, iidayamitha ikhoyili, inani leekhoyili kwicala ngalinye, i-angle yamahhala phakathi kwemilenze, kunye nobude bomlenze kunye noqwalaselo. Ijometri yemilenze ibaluleke kakhulu ekugqithiseni torque[^2] kwindibano yakho.
Owona mthombo mkhulu wempazamo endiwubonayo kwimizobo yemithombo ye-torsion ephindwe kabini ikwimilinganiselo yomlenze. Injineli iya kuchaza ngokugqibeleleyo iikhoyili kodwa iya kuba ingacacanga malunga nee-engile zomlenze okanye ubude. Ngokungafaniyo neminye imithombo apho iziphelo ziyi-hook ezilula okanye iilophu, imilenze yomthombo we-torsion "sisiphelo seshishini" - zizo ezityhala ngokuchasene nezinto zakho ukuhambisa itorque.. I once had to delay a production run because a client's drawing showed a 90-degree free angle but didn't specify the direction. It's a small detail, kodwa imisela ukuba intwasahlobo iyatyhala okanye iyatsala xa ifakiwe.
Iiparamitha eziHlanu zoYilo oluBalulekileyo
Ukufumana ezi nkcukacha zintlanu kanye kumzobo wakho kuya kuqinisekisa ukuba intwasahlobo yenza kanye njengoko uceba.
- Ikhoyili kunye nemilinganiselo yocingo: Oku kubandakanya i-diameter yocingo, i-diameter yangaphakathi okanye yangaphandle yeekhoyili, kunye nenani leekhoyili kwicala ngalinye (ekufuneka ifane).
- I-engile yasimahla: Le yi-angle phakathi kwemilenze emibini xa intwasahlobo iphumle kwaye ingafakwanga. Lo ngumba obalulekileyo ekumiseleni isixa somthwalo wangaphambili kwindibano yakho.
- Ubude bomlenze: Ubude bomlenze ngamnye ukusuka kumgca ophakathi wekhoyili ukuya kwincam. Oku kugqiba amandla kunye nalapho amandla aya kusetyenziswa.
- Uqwalaselo Lomlenze: Oku kuchaza imilo kunye nokuqhelaniswa kwemilenze. Ngaba zithe tye? Ngaba banamagophe? Ngaba ziyahambelana okanye zidibene? This must match your product's geometry.
- Isalathiso somoya: Ngelixa intwasahlobo ineekhoyili zombini ngasekhohlo nasekunene, kufuneka ucacise ukuba imilenze ifuna ukutyunyuzwa okanye ukuhla ukuze udale okufunayo torque[^2] ulwalathiso.
| Ipharamitha | Why It's Critical | Impazamo eqhelekileyo |
|---|---|---|
| Ucingo & Ubungakanani bekhoyili | Determines the spring's stiffness and overall torque[^2]. | Ukuqikelela ubungakanani bocingo endaweni yokusebenzisa iicalipers. |
| I-engile yasimahla | Ibeka i-pre-load yokuqala kunye ne-angle yokusebenza kwentwasahlobo. | Ayikhankanyi i-engile, okukhokelela kuxinzelelo olungalunganga lwangaphambili. |
| Ubude bomlenze | Imisela ingalo yomzuzu kwi torque[^2] isicelo. | Ukwenza imilenze ibe mfutshane okanye inde kakhulu ukuba ibandakanyeke ngokufanelekileyo. |
| Uqwalaselo Lomlenze | Kufuneka utshatise iindawo zokukhwelana kwindibano yakho. | Ukusebenzisa igeneric "umlenze othe ngqo" uyilo xa kufuneka ukugoba ngokwesiko. |
| Isalathiso somoya | Uqinisekisa ukuba intlakohlaza ibonelela ngetorque kwicala elichanekileyo lokujikeleza. | Ukulibala ukucacisa ukuba imilenze kufuneka ihlanjululwe "phezulu" okanye "phantsi". |
Ukuqukumbela
Imithombo ye-torsion ephindwe kabini sisisombululo esihle sobunjineli esibonelela phezulu torque[^2] kunye nokulingana okugqibeleleyo ukusuka kwelinye, icandelo elihlangeneyo, ukusombulula imiba eqhelekileyo yokungazinzi efumaneka kwi-single-spring designs.
[^ 1]: Phonononga iingenelo zemithombo ye-torsion ephindwe kabini kwitorque elungeleleneyo kunye noyilo olubambeneyo.
[^2]: Fumana iziseko zetorque kunye nokusetyenziswa kwayo kubunjineli.
[^ 3]: Fumana indlela yokufezekisa i-torque ecocekileyo kwiinkqubo zoomatshini ukuze usebenze ngcono.
[^ 4]: Ukuqonda amandla ajikelezayo ngundoqo ekuphuculeni uyilo lomatshini.
[^ 5]: Jonga usetyenziso olufuna itorque ephezulu kwiindawo ezinyiniweyo.
[^6]: Fumanisa iindlela ezixhamlayo kumandla embuyekezo anamandla okusebenza ngokufanelekileyo.