Ukuzenzekela Kwezimboni

Zisebenza Kanjani Izindlala Zekhebula?

Isingeniso
Ama-cable glands amathuluzi abalulekile lapho kuqedwa izintambo ezindaweni ezinzima noma eziyingozi.
Yilapho kudingeka khona ukuvala, ukuvikelwa kokungena kanye nesizathu sokuthi kungani i-cable gland ifakwa enhlabathini.
Umsebenzi wayo ukudlulisa ngokuphephile ipayipi, ucingo, noma ikhebula endaweni evalekile.
Zinikeza impumuzo yokucindezeleka futhi zenzelwe ukufaka amalangabi noma izingxenye zikagesi ezingase zenzeke ezindaweni eziyingozi.

Okunye:
Zisebenza futhi njengesivalo, zivimba ukungcola kwangaphandle ukuthi kungabangela umonakalo ohlelweni lukagesi kanye nekhebula.
Ezinye zalezi zinto ezingcolisayo yilezi:

• uketshezi,
• ukungcola,
• uthuli

Ekugcineni, ziyavimba ukuthi izintambo zingadonswa futhi zisontwe ziphume emshinini.
Lokho kungenxa yokuthi zisiza ekuhlinzekeni uxhumano oluphephile noluzinzile phakathi komshini nekhebula oxhunywe kulo.

Kulesi siqondisi, sizokusiza ukuthi uqonde kangcono ukuthi ama-cable glands asebenza kanjani.
Ake siqale.

Izingxenye ze-Cable Glands kanye ne-Cable Gland
Ama-cable glands aziwa ngokuthi 'amadivayisi okufaka ikhebula lomshini' asetshenziswa kanye nezintambo kanye nekhebula ku:

• izinhlelo zokwenza izinto ngokuzenzakalela (isb. idatha, ukuxhumana ngocingo, ugesi, ukukhanyisa)
• ugesi, izinsimbi kanye nokulawula

Imisebenzi eyinhloko ye-cable gland ukusebenza njengethuluzi lokuvala nokuqeda.
Iqinisekisa ukuvikelwa kwezindawo ezivalekile kanye nemishini kagesi, okuhlanganisa ukulethwa kwalokhu okulandelayo:

• Ukuvalwa okwengeziwe kwemvelo

Endaweni yokungena ngekhebula, ukugcina isilinganiso sokuvikelwa kokungena kwe-enclosure ngezinhlobonhlobo zezesekeli ezifanele ezizinikele ekwenzeni le njongo

Ama-cable glands emshinini ozenzakalelayo

• Ukuvalwa okwengeziwe

Endaweni yekhebula efika endaweni ebiyelwe, uma kudingeka izinga eliphezulu lokuvikelwa kokungena

• Amandla okuphatha

Kukhebula ukuqinisekisa amazinga anele okumelana 'kokudonsa' kwekhebula lomshini

• Ukuqhubeka komhlaba

Uma kwenzeka ikhebula elivikelwe, uma i-cable gland inesakhiwo sensimbi.
Kuleso simo, i-cable gland ingase ihlolwe ukuqinisekisa ukuthi ingakwazi ukumelana nomthamo wephutha le-peak short circuit owanele.

• Ukuvikelwa kwemvelo

Ngokuvala ikhebula langaphandle, ngaphandle komswakama nothuli oluvela kuthuluzi noma endaweni ebiyelwe kagesi

Uyabona:
Ama-cable glands angenziwa ngezinto ezingezona ezensimbi kuya ezintweni zensimbi.
Noma kungaba ingxube yakho kokubili engase imelane nokugqwala.
Kunqunywa ngokuqoqwa ngokwezinga elijwayelekile, noma ngokuhlolwa kokumelana nokugqwala.

Uma isetshenziswa ezindaweni eziqhumayo, kubalulekile ukuthi ama-cable glands avunyelwe uhlobo lwe-cable olukhethiwe.
Kumelwe futhi bagcine izinga lokuvikelwa kwemishini abaxhumeke kuyo.

Enye yezinto ezinhle kakhulu ngama-cable glands ukuthi anomsebenzi wokuvimbela amanzi we-IP68.
Lokho kusho ukuthi zingasetshenziswa ukwenza izindawo zokuphuma ezingangeni manzi ezivela ezindaweni ezivalekile nezimbi kanye nasezindaweni ezinkulu.

Ukuze uzisebenzise:
I-cable gland icindezela uphawu ku-cable eyindilinga.
Kuvimba ukungena kwezinhlayiya noma amanzi okungadala umonakalo ongapheli kumadivayisi kagesi.

Ngokwesibonelo:
Uma udinga ukudlulisa ikhebula endaweni engangeni manzi, kudingeka ubhoboze imbobo endaweni evalekile.
Lokho ngempela kwenza ukuthi ingasakwazi ukungena amanzi.

Izindlala zekhebula endaweni evalekile engangeni manzi
Ukuze ulungise inkinga yakho, ungasebenzisa i-cable gland ukwenza isivalo esingangeni manzi esizungeze i-cable yakho oyidlulisela endaweni ebiyelwe.
Umsebenzi ongangeni manzi we-IP68 ulungele izintambo ezisukela kumamilimitha angu-3.5 kuya kwangu-8 ububanzi.
Lolu hlobo lwezinhlayiya zekhebula lwenzelwe ukufakwa ohlangothini lwendawo ebiyelwe yephrojekthi engangeni manzi.

Izingxenye ze-Cable Glands
Yiziphi izingxenye ze-cable gland?
Lona umbuzo ovamile ongase uzibuze wona.

Izingxenye ze-cable glands
Izingxenye ze-cable gland zinqunywa ngokwezinhlobo ze-cable gland:

• i-single compression cable gland kanye;
• i-gland yekhebula lokucindezelwa okuphindwe kabili

Ake sixoxe ngazo ngazinye.
Uma ubungazi okwamanje, intambo eyodwa yokucindezela isetshenziswa ezintanjeni ezivikelwe kancane.
Zinesikhala sokuthi umhwamuko obolile nomswakama ungene futhi uthinte ikhebula.
Umklamo wokucindezela okukodwa awunayo indandatho yekhoni nekhoni.

Uyabona:
Kukhona isivalo senjoloba se-Neoprene kuphela esihlinzeka ngokusekelwa kwe-toe gland ngomshini uma unamathisela ikhebula.
Okokugcina, ama-single compression cable glands analokhu okulandelayo:

• i-gland body nut
• umzimba wendlala
• umshini wokuwasha oyisicaba
• i-check nut
• umshini wokuwasha irabha
• uphawu lwenjoloba kanye;
• i-neoprene

Lezo yizingxenye ze-single compression cable gland.
Ngakho-ke, ingabe sikuqondile lokho?

Ngakolunye uhlangothi:
Ukucindezela okuphindwe kabili kuhluke kakhulu kune-single compression cable gland.

Kusho ukuthini lokhu?
Into epholile lapha yile:
I-gland yekhebula lokucindezela kabili isetshenziswa lapho izintambo ezivikelwe kakhulu zingena khona ebhodini.
Lolu hlobo lwezindlala zekhebula lunikeza ukwesekwa okwengeziwe.
Ama-cable glands acindezelwe kabili anesici sokuvala okuphindwe kabili.

Yini enye?
Kukhona ukucindezelwa kwe-sheath yangaphakathi kanye ne-cable armor.
Ngakho-ke, ufuna ama-cable glands angashisi noma angangenisi mlilo?
Ngemuva kwalokho udinga ukucabangela umklamo wokucindezela okuphindwe kabili.

Qaphela futhi ukuthi umklamo wokucindezela okuphindwe kabili unendandatho yekhoni kanye nekhoni.
Lokho kunikeza usizo lwemishini kukhebula.
Manje, sikhuluma ngezingxenye ze-cable gland ecindezelwe kabili.
Inezingxenye ezilandelayo:

• i-check nut
• uphawu lwerabha lwe-neoprene
• indandatho yekhoni
• ikhoni
• i-gland body nut kanye;
• umzimba wendlala

Imininingwane ye-Cable Glands
Uhlela ukuthenga i-cable gland yakho?
Khona-ke udinga ukukhumbula ukuthi kunezincazelo eziningi ze-cable gland okudingeka uzicabangele.
Uma uthanda usizo ngezincazelo ze-cable gland, nansi izinketho zakho:

Izinto

• Insimbi engagqwali

Izindlala zekhebula zensimbi engagqwali ziyagqwala futhi azinamakhemikhali.
Bangaba nesilinganiso sokucindezela okuphezulu

• Insimbi

Imikhiqizo yenziwe ngensimbi.

• I-PVC

I-PVC nayo yaziwa ngokuthi i-polyvinyl chloride isetshenziswa kabanzi.
Inendawo ebushelelezi, ukuguquguquka okuhle, kanye nezici ezingezona ubuthi.
Amanani ambalwa asetshenziswa ezinqubweni zamakhemikhali nezokudla ngenxa yemvelo yokungasebenzi kwe-PVC.

• I-Polytetrafluoroethylene (PTFE)

Ubuwazi ukuthi i-Polytetrafluoroethylene iyinhlanganisela engaqondakali?
Ngakho-ke liyini iphuzu?
Nokho, ikhombisa izinga eliphezulu lokumelana namakhemikhali kanye nokungqubuzana okuphansi.

• I-Polyamide / Inayiloni

Inayiloni yakhiwe ngama-polyamides ahlukahlukene.
Kuyizinto ezisetshenziswa kabanzi ekusetshenzisweni okuhlukahlukene.
Iyamelana futhi iqinile futhi inesilinganiso esihle kakhulu sokucindezela.

• Ithusi

Okwamanje, ama-bra afika enamandla amahle.
Iphinde ifaka:

• ukuguquguquka okuhle kakhulu kokushisa okuphezulu
• ukuthambekela okukhulu kokubanda
• ukuvuleka okuphansi kwamandla kazibuthe
• izakhiwo ezinhle zokuthwala
• ukumelana nokugqwala okuphawulekayo kanye;
• ukuhanjiswa okuhle komoya

• I-Aluminium

I-Aluminium iyisici sensimbi esinombala oluhlaza okwesibhakabhaka esithambile nesimhlophe esithambile.
Ine-conductivity enhle kakhulu yokushisa kanye nogesi.
Iphinde ibe nokumelana ne-oxidation kanye nokukhanya okuphezulu

Ukusebenza
Udinga futhi ukucabangela ukusebenza kwezinhlobo ze-cable gland yakho.
Ngezansi, sibhale izindawo okudingeka uzikhumbule.

• Ibanga Lokushisa

Lona ububanzi obuphelele obudingekayo bokushisa okusebenzayo okuzungezile.

• Isilinganiso Sokucindezela

Lena ingcindezi i-cable gland engabhekana nayo ngaphandle kokuvuza.

• Ububanzi Bokuvula

Lokhu ukukhetha kosayizi okungafakwa yi-cable gland.

• Inani Lezintambo

Leli inani lezinto ezingasetshenziswa yinhlangano.

• Usayizi Wokufaka

Lona usayizi wesici sokufaka noma sentambo.

Ukufakwa kwe-Cable Gland
Ukufakwa kwe-cable gland kufanele kwenziwe ngenkathi kulandela imithetho yokusebenza edingekayo kanye nemithetho yendawo.
Kufanele futhi kuhambisane neziqondiso zomenzi.
Ukufakwa kwe-cable gland kumele kwenziwe ngumuntu onekhono nonolwazi.
Kumelwe abe nolwazi oludingekayo futhi abe nekhono ekufakweni kwe-cable gland.
Ngaphezu kwalokho, ukuqeqeshwa kungenziwa lula.

Ukufakwa kwe-armored cable gland enethegi yokuthunga
Lesi siqondiso esingezansi sizokusiza ukuqinisekisa ukuthi ukufakwa kwe-cable gland yakho kuqinisekisa uxhumano oluthembekile noluphephile.
Nakhu okudingeka ukwenze:

• Kumelwe kuqashelwe ukuvimbela umonakalo ezintanjeni zokungena lapho kuhlelwa futhi kufakwa izindlala zekhebula

• Ungafaki ama-cable glands ngenkathi ama-circuit esebenza.

Ngokufanayo, ngemva kokunikezwa amandla kwesekethe zikagesi, izindlala zekhebula akumelwe zivulwe kuze kube yilapho isekethe isikhishwe amandla ngokuphephile.

• Izingxenye ze-cable gland azifani kahle nezanoma yimuphi omunye umenzi we-cable gland.

Izingxenye ezivela komunye umkhiqizo azikwazi ukusetshenziswa komunye.
Ukwenza lokho kuzothinta ukuphepha kokufakwa kwe-cable gland futhi kukhansele noma yisiphi isitifiketi sokuvikela ukuqhuma.

• Qaphela ukuthi i-cable gland akuyona into engasetshenziswa kalula.

Futhi kungaphansi kwezinqubo zokuqinisekisa.
Izingxenye ezisele azivunyelwe ukunikezwa izinto esezivele zisetshenziselwe.

• Izindandatho zokuvala i-cable gland zengezwa ku-cable gland uma zithunyelwa zivela efektri.

Uyabona, akufanele kube khona izimo lapho izindandatho zokuvala kufanele zisuswe khona entanjeni yekhebula.

• Kumelwe kuqashelwe ukuvimbela ukuchayeka kwe-cable gland sealers ku:

izinto zamakhemikhali ezingathandeki (njengezinyibilikisi noma ezinye izinto zangaphandle)
i-odirt

Imiyalelo Yokufaka
Qaphela ukuthi akuphoqelekile ukuthi uqhubeke nokuqaqa i-cable gland, njengoba kuboniswe ngezansi:

Ukuze uqale ukufakwa kwe-cable gland, nakhu okudingeka ukwenze:
1. Izingxenye ezihlukanisiwe (1) kanye (2).
2. Uma kudingeka, faka indwangu phezu kwekhebula lakho langaphandle
3. Phatha ikhebula ngokususa igobolondo langaphandle lekhebula kanye nesembozo/ibhande ukuze lilingane nokwakheka kwemishini.
4. Susa amamilimitha angu-18 ngaphezulu kwesikhwama sangaphandle ukuze wembule isivikelo.
5. Uma kusebenza, susa noma yiziphi izimbozo noma amatheyiphu okubonisa ingaphakathi lesikhwama.
QAPHELA!! Ezintanjeni ezinkulu kakhulu, indandatho yokubopha ingadlula kuphela phezu kwesembatho sokuzivikela.

6. Bese, qinisa ingxenye yokungena emishinini yakho njengoba kuboniswe.

7. Dlulisa ikhebula lakho entweni yokungena bese ubeka i-armor noma i-braid ngokulinganayo eduze kwekhoni.
8. Ngenkathi uqhubeka ucindezela ikhebula phambili ukuze uvimbele ukuthintana phakathi kwekhoni nesivikelo, qinisa i-nut ngesandla ukuze ubambe isivikelo.
9. Bamba ingxenye yokungena kanye nespanner bese uqinisa i-nut ngosizo lwespanner kuze kube yilapho i-armor isiqinile.
10. Ukufakwa sekuqediwe manje.

Uma ufuna ukufaka i-IP68 engangeni manzi, nansi indlela ongakwenza ngayo.
Uyabona:
Lolu hlobo lwe-cable gland lwenza kube lula futhi kube bushelelezi ukudlula endaweni ebiyelwe.
Kudingeka ubhoboze imbobo engamamilimitha angu-15.6 ububanzi ohlangothini lwendawo yakho ebiyelwe.
Manje usungakwazi ukufaka izingxenye ezimbili ze-cable gland yakho kuzo zombili izinhlangothi zomgodi.
Manje, ikhebula liyadlula, bese uphendula isivalo ukuze usiqinise eduze kwekhebula lakho.
Futhi usuqedile.

Isiphetho
Ama-cable glands enzelwe ukusetshenziswa nge-non-armored cable noma i-armored cable.
Uma zisetshenziswa nekhebula elivikelwe, zinikeza umhlabathi womklamo wekhebula.
Indandatho yokucindezela noma i-O-ring sealing element ingaqina eduze kobubanzi bekhebula.
Ivala noma yimaphi amalangabi ayingozi, izinhlansi noma imisinga ukuthi ingafiki emshinini lapho ikhebula liholela khona.
Zingenziwa ngezinhlobo ezahlukene zepulasitiki nezinsimbi, kuye ngokuthi zisetshenziswa kanjani.
Lokhu kungaba:

• i-aluminium
• ithusi
• ipulasitiki noma
• insimbi engagqwali

Ngenxa yokuthi zenziwe kucatshangelwa ukuphepha, kubalulekile ukuthi ama-cable glands alethe eyodwa noma ngaphezulu kwezinga elilandelayo lokulinganisa ukuphepha kukagesi.
Ezinye zalezi ziyi:

• I-IECx
• I-ATEX
• I-CEC
• I-NEC
• noma ngokufanayo kuye ngokuthi isizwe sakubo kanye nokusetshenziswa kwaso

Ngakho-ke uma ufuna ukuthola ama-cable glands akho, kubalulekile ukuthi uwalinganise ngendlela efanele.
Lokho kungenxa yokuthi ikhebula elilodwa kuphela elingasetshenziswa ne-gland eyodwa.
Futhi uphawu kufanele lwenziwe nge-o-ring efakiwe.
Umsebenzisi angase afake i-tape hhayi ngezinye izinto.

Uzothola ama-gland amaningi atholakala ezindaweni ezahlukene zokukhiqiza.
Ungabheka kancane ku-inthanethi bese udala uhlu lwabathengisi bendawo noma abakhiqizi ukuze uthole okunikezwayo okungcono kakhulu.
Sithemba ukuthi sikunikeze ulwazi oluwusizo mayelana nendlela ama-cable glands asebenza ngayo.
Ucabangani ngalokhu okuthunyelwe?
Yabelana ngemicabango yakho nathi ngokusithumelela imibono yakho!
Uma unombuzo ohlobene nokuthi ama-cable glands asebenza kanjani noma uma uthanda ukwazi okwengeziwe, buza kumazwana.
Uzothola impendulo kochwepheshe bemakethe maduze nje.