I-Breaking Force, i-WLL, kanye Nezici Zokuphepha: Yini Okufanele Bayazi Abathengi Bezintambo Zocingo
Lapho uthenga intambo yocingo yensimbi yama-cranes, ama-hoists, okokuphakamisa impahla noma izinhlelo zokusebenza zokubopha, abathengi bavame ukuhlangana namagama anjengokuthiI-Minimum Breaking Force (MBF), Minimum Breaking Load (MBL), Working Load Limit (WLL), Safe Working Load (SWL)futhiIsici Sokuphepha.
La magama ahlobene, kodwa awasho into efanayo. Ukuqonda umehluko kubalulekile lapho ukhetha ububanzi bezintambo zocingo olulungile, isigaba sokwakha kanye namandla sohlelo lokuphakamisa.
Ukugqashuka kwentambo yocingo kuwukuhlola noma inani lamandla elilinganiselwe. Ikonahhayiumthwalo okufanele usetshenziswe ngokujwayelekile ngesikhathi sokusebenza. Umthwalo ovumelekile wokusebenza kufanele unqunywe kusetshenziswa isici esisebenzayo sokuphepha, izidingo zokwakheka kwezinto zokusebenza kanye namazinga afanelekile.
1. I-Minimum Breaking Force (MBF / MBL)
Ukuhlola ukuqineka kwentambo yensimbi kusetshenziswa ukuze kuqinisekiswe amandla okugqashula entambo kuqhathaniswa nezidingo zobuchwepheshe ezisebenzayo.
I-Minimum Breaking Force (MBF)amandla amancane acacisiwe okudingeka ukuthi intambo yocingo imelane nawo ngaphambi kokugqashuka ngaphansi kwemibandela yokuhlola esebenzayo kanye nezinga.
IgamaUbuncane Bomthwalo Owephukayo (MBL)ibuye isetshenziswe ngokujwayelekile ekuphakamiseni nasekufakeni imininingwane. Kuye ngezinga kanye nemboni, amagama asetshenziswayo angahluka, ngakho abathengi kufanele bahlale beqinisekisa incazelo esetshenziswe ekucacisweni kobuchwepheshe okufanelekile.
Amandla okugqashula anqunywa ngokuhlolwa okuqinile noma kubalwe ngokwezinga lezintambo elisebenzayo kanye nokwakhiwa. Imele amandla okugcina entambo nokuthi kufanelengeke kuhunyushwe njengomthwalo ovunyelwe wokusebenza.
Isibonelo, intambo yocingo enamandla amancane okuphuka100 kNakusho ukuthi umthwalo we-100 kN ungamiswa ngokuphephile entanjeni ngesikhathi sokusebenza okuvamile.
2. Uyini Umkhawulo Womthwalo Osebenzayo (WLL)?
Umkhawulo Womthwalo Osebenzayo (WLL)iwumthwalo omkhulu ingxenye noma umhlangano wokuphakamisa ovunyelwe ukuwusekela ngaphansi kwezimo ezithile zokusetshenziswa.
Ngohlelo olulula lwentambo yocingo, ubudlelwano obuyisisekelo bungavezwa kanje:
Isibonelo, uma intambo inesilinganiso esincane esinqunyiwe sokugqashuka esingu-100 kN futhi isici esisebenzayo sokuklama singu-5:
Lobu ubudlelwano bonjiniyela obenziwe lula. Umthwalo wangempela ovunyelwe ungaba ngaphansi kuye ngohlelo lokuphakamisa, ukunqanyulwa kwentambo, ukuhlelwa kokuqoshwa kabusha, izimo zokugoba, izidingo zomkhiqizi wezinsimbi kanye nemithethonqubo esebenzayo.
3. Iyini Isici Sokuphepha?
IIsici Sokuphepha (SF), ebizwa nangokuthi isici sokuklama kwezinye izinhlelo zokusebenza, iveza isilinganiso phakathi kwamandla okuphuka kwentambo nomthwalo ovumelekile wokusebenza.
Isici sokuphepha esiphezulu sisho ukuthi kukhona umkhawulo omkhulu phakathi komthwalo oshiwo wokusebenza namandla okuphuka kwentambo.
Kodwa-ke, ukuphepha okuphezulu akwenzi ngokuzenzakalela lonke uhlelo lokuphakamisa luphephe. Isistimu ephelele kufanele futhi icabangele:
- Ukwakhiwa kwezintambo kanye nobubanzi
- Ukusebenza kahle kokunqanyulwa kwezintambo
- I-sheave ne-diameter yesigubhu
- Ukugoba ukukhathala
- Ukulayisha okunamandla
- Ukulayisha ukushaqeka
- Ukuhlelwa kwe-engeli ne-reeving
- Ukugqwala nokuchayeka kwemvelo
- Izintambo ezigqokile neziphukile
- Izidingo zomkhiqizi wezisetshenziswa
4. MBF vs WLL vs Safety Factor
| Isikhathi | Incazelo | Isetshenziselwa |
|---|---|---|
| MBF | Ubuncane beBreak Force | Amandla entambo acacisiwe/ahloliwe |
| MBL | Ubuncane Bomthwalo Wokuphuka | Amagama ajwayelekile okuphakamisa/abamba amandla |
| WLL | Umkhawulo Womthwalo Osebenzayo | Ubukhulu bomthwalo ovunyelwe ukusebenza ngaphansi kwezimo ezithile |
| I-SWL | Umthwalo Wokusebenza Ophephile | Itemu lendabuko lomthwalo ovumelekile wokusebenza |
| SF | Ukuphepha / Isici Somklamo | Ubudlelwano phakathi kwamandla okuphuka nomthwalo ovumelekile |
5. Kungani Ungeke Usebenzise i-MBF Njengomthwalo Osebenzayo
Intambo yocingo ayisebenzi ngaphansi kwezimo zaselabhorethri. Phakathi nesevisi yangempela, ivezwa ukugoba, ukukhathala, ukuguga, ukugqwala, ukusheshisa, ukudlidliza nezinye izici ezinganciphisa kancane kancane amandla aso asebenzayo.
Ngakho-ke, intambo ehlangabezana nezidingo zayo ezincane zokugqashuka ingawohloka phakathi nesevisi.
Umehluko phakathi kokuphulwa kwamandla kanye nomthwalo wokusebenza uhlinzeka ngemajini edingekayo yezinto ezifana nalezi:
- Ukuhlukahluka kwezinto
- Ukubekezelelana kokukhiqiza
- Ukukhathala okugoba intambo
- Ukugqoka nokuhuzuka
- Ukugqwala
- Ukulayisha okunamandla
- Ukulayisha ukushaqeka
- Imiphumela yokunqanyulwa kwentambo
- Izimo zokufaka
- Izinguquko endaweni yokusebenza
6. Isibonelo: Indlela Yokuphepha Eshintsha ngayo i-WLL
Cabanga ngentambo yensimbi enamandla agqagqekayo100 kN. Izici zedizayini ezihlukene zikhiqiza imithwalo evumelekile yetiyori ehlukile.
| I-Design Factor | Ukubala | Umthwalo wethiyori |
|---|---|---|
| 3:1 | 100 ÷ 3 | 33.3 kN |
| 4:1 | 100 ÷ 4 | 25.0 kN |
| 5:1 | 100 ÷ 5 | 20.0 kN |
| 6:1 | 100 ÷ 6 | 16.7 kN |
| 8:1 | 100 ÷ 8 | 12.5 kN |
Lezi zibalo ziyizibonelo zezibalo kuphela. Isici sokuklama esisebenzayo kufanele sinqunywe kusukela kuhlelo lokusebenza oluthile lokuphakamisa, izinga elibusayo, umklamo wemishini kanye nezidingo zomkhiqizi.
7. Ingabe Yonke Intambo Yocingo Isebenzisa Isici Sokuphepha Esifanayo?
Cha. Kukhonaayikho into eyodwa yokuphepha yendawo yonke esebenza kuzo zonke izintambo zocingo.
Isici sokuklama esidingekayo sincike kuhlelo lokusebenza kanye nezinga elisebenzayo noma uhlaka lokulawula. Intambo ye-crane hoist, intambo yekheshi, intambo yesilisa, intambo evamile yokubopha kanye nentambo ekhethekile yokuphakamisa ngasogwini kungase kube nezidingo zedizayini ezihlukene.
Ngakho-ke abathengi kufanele bakugweme ukubuza umphakeli kalula nje:"Iyini isici sokuphepha sale ntambo yocingo?"
Ukucaciswa okungcono wukuthi:"Siyini isicelo esidingekayo, umthwalo wokusebenza, ukwakhiwa kwezintambo, izinga elisebenzayo kanye nesici sokuklama esidingekayo?"
8. Intambo Yocingo Ukugqashuka Amandla Kuncike Ngaphezulu Kobubanzi
Izintambo ezimbili ezinobubanzi obufanayo zingaba namandla ahlukene okuphuka. Lokhu kungenxa yokuthi ukuphulwa kwamandla kuncike kumapharamitha wokuklama amaningi.
| Ipharamitha | Umthelela Ekusebenzeni Kwezintambo |
|---|---|
| Ububanzi Bezintambo | Idayamitha enkulu ngokuvamile ihlinzeka indawo enkulu ye-metallic cross-yezingxenye |
| Amandla Okuqina Kwezintambo | Amandla ocingo aphezulu angakhuphula amandla okuphuka |
| Ukwakhiwa Kwezintambo | Inquma indawo yensimbi, ukuguquguquka nokuziphatha kokukhathala |
| Uhlobo Oluyinhloko | Kuthonya ukusekelwa, ukuphihliza ukumelana nokwakhiwa |
| Ukucinana | Ingakhuphula ukugcwaliswa kwensimbi futhi ithuthukise ijometri yezintambo |
| Lala | Ithonya ukuziphatha kwezintambo, ukuzungezisa kanye nokuphatha |
| Ikhwalithi Yokukhiqiza | Kuthinta ukungaguquguquki nokusebenza kwangempela komshini |
9. Ukuphuka Amandla Okwakhiwa Kwentambo Yezintambo Ezivamile
Abathengi bezintambo zocingo kufanele baqhathanise amandla okuphuka besebenzisa iububanzi obufanayo, ukwakhiwa kwentambo, amandla okudonsa kanye nezinga elisebenzayo. Ukumane uqhathanise "6×19 vs 6×36" ngaphandle kwale mingcele kungaveza imiphumela edukisayo.
Isibonelo, intambo ehlanganisiwe efana no-35(W)x7 ingase izuze ukugcwaliswa kwensimbi ephakeme kunentambo evamile enobukhulu obufanayo. Lokhu kunganikeza amandla amancane aphezulu okuphuka kuyilapho kugcinwa i-geometry yezintambo edingekayo ukuze-izicelo zokuphakamisa umsebenzi osindayo.
Ngokufanayo, izakhiwo ezizungezayo-ezimelana{1}ezingajikizi{1}zidizayinelwe izimfuneko ezihlukene zokulayisha nokuzungezisa futhi akufanele zikhethwe kuphela ngokunqamula amandla.
10. Uyini Umehluko Phakathi Kwe-WLL ne-SWL?
WLLfuthiI-SWLzivame ukusetshenziselwa ukuchaza umthamo ovumelekile wokusebenza wemishini yokuphakamisa. Nokho, amagama nezincazelo zomthetho ziyahlukahluka phakathi kwamazinga, izimboni kanye nezindawo.
Ezicacisweni zomkhiqizo wokuphakamisa wesimanje,WLLivamise ukusetshenziswa njengomkhawulo wokusebenza womkhiqizi noma ojwayelekile{0}ochaziwe ngaphansi kwezimo ezithile.I-SWLigama elidala noma elibanzi elingase livele kumadokhumenti obunjiniyela kanye nokuzijwayeza kokuphakamisa.
Ngokuthenga kwamanye amazwe, kungcono ukuchaza kahle ukuthi umthamo oshiwo usho ukuthini kunokuncika kuphela kusifinyezo.
11. Ukunqanyulwa Kwentambo Yocingo Kungathinta Umthamo
Intambo ngokwayo iyingxenye eyodwa kuphela yesistimu yokuphakamisa. Ukunqanyulwa ekugcineni ngakunye kungathonya amandla asebenzayo omhlangano.
Izindlela ezijwayelekile zokuqeda zihlanganisa:
- Ukuqedwa kwesokhethi
- Isokhethi ye-Wedge
- Itheminali ephukile
- Iziqeshana zezintambo zocingo
- Ukunqanyulwa okuhlukene
- Ama-Thimbles kanye nama-assemblies afanelekile
Ukusebenza kahle kokunqanyulwa kuncike kumklamo, indlela yokufaka nezinga elisebenzayo. Ngakho-ke, i-WLL yokuhlanganisa intambo yocingo ephelele akufanele ibalwe ngokuzenzakalelayo ku-MBF yentambo iyodwa.
12. Imithwalo Enamandla kanye Nokulayisha Okushaqisayo
Izibalo zokulayisha ezimile azichazi ngokugcwele imisebenzi eminingi yokhreyini nokuphakamisa. Ukuqala, ukuma, ukusheshisa okungazelelwe, ukushwibeka komthwalo kanye nokulayisha ukushaqeka kungakhuphula okwesikhashana amandla asetshenziswa entanjeni.
Ngenxa yalesi sizathu, izinto zokuphakamisa kufanele zisetshenziswe ngaphakathi kwemikhawulo eklanyelwe yokulayisha kanye nesivinini. Ukulayisha kungazelelwe kufanele kugwenywe, futhi isistimu yokuphakamisa ephelele kufanele yakhelwe ukulandisa ngemiphumela eguqukayo esebenzayo.
Intambo ebonakala yanele ngokusekelwe kuphela ekulayisheni okumile ingase ingafaneleki uhlelo lokusebenza olufaka ukulayisha okunamandla okuguquguqukayo, ukugoba okuphindaphindiwe noma ukulayisha ukushaqeka.
13. Yiluphi Ulwazi Okufanele Abathengi Balucele Kumhlinzeki Wezintambo Ezintambo?
Ngezinhlelo zokusebenza ezibucayi zokuphakamisa, abathengi kufanele bacele imibhalo yezobuchwepheshe kunokuthembela kuphela egameni lomkhiqizo noma i-diameter encane.
- Ukwakhiwa kwezintambo
- Ububanzi bokuzisholo
- Uhlobo oluyinhloko
- Ibanga lezintambo / amandla okudonsa ucingo
- Amandla amancane okuphula
- Izinga lokukhiqiza elisebenzayo
- Lay direction
- Ukwelashwa kwendawo
- Isisindo ngobude beyunithi ngayinye
- Ukubekezelela Dimensional
- Isitifiketi sokuhlola lapho kudingeka
- Isitifiketi esibalulekile lapho kufanele khona
14. MBF vs WLL: Isibonelo Somthengi Esisebenzayo
Ake sithi umkhiqizi we-crane udinga intambo yocingo enamandla okunqamuka okungenani200 kN. Umthengi akufanele avele acele umphakeli "intambo engu-200 kN."
Inqubo yokuthenga elungile yile:
- Nquma umthamo omkhulu wangempela wokusebenza.
- Khomba izinga elisebenzayo lempahla yokuphakamisa.
- Nquma isici sokuklama esidingekayo.
- Bala ubuncane bemandla obuncane obudingekayo.
- Khetha ukwakhiwa kwezintambo ezifanele kanye nobubanzi.
- Hlola ukuhambisana nesigubhu nezithungu.
- Qinisekisa ukunqanyulwa kwentambo bese uqedela ukuhlanganisa.
- Cela imibhalo yezobuchwepheshe efanele.
Le ndlela iqinisekisa ukuthi intambo ikhethiwe njengengxenye yeuhlelo lokuphakamisa oluphelele, esikhundleni sokuba umkhiqizo wempahla ongawodwa.
15. Amaphutha Okuthenga Ngentambo Yezintambo Ezivamile
Iphutha 1: Ukuphatha amandla okuphuka njengomthwalo osebenzayo
Breaking force iyinani lamandla ekugcineni. Akufanele isetshenziswe ngokuqondile njengomthwalo osebenzayo ovunyelwe.
Iphutha lesi-2: Ukukhetha intambo ngokwedayamitha iyodwa
Ububanzi obufanayo bungatholakala ekwakhiweni okuhlukene, amamaki aqinile kanye nokucushwa okuyisisekelo okunezakhiwo ezihlukene zemishini.
Iphutha lesi-3: Ukusebenzisa isici esisodwa sokuphepha kulo lonke uhlelo lokusebenza
I-Crane, ilifti, ukugetshengwa kanye nezicelo ezikhethekile zokuphakamisa zingase zibe nezidingo zedizayini ezihlukene.
Iphutha lesi-4: Ukuziba ukunqanyulwa
Ukuhlanganiswa kwentambo yocingo kungaba nomthamo ohlukile osebenzayo kusukela entanjeni engenalutho kuye ngendlela yokunqamula.
Iphutha lesi-5: Ukuziba ukuwohloka kwesevisi
Amandla okuqala okuphuka awahlali angashintshi impilo yonke yenkonzo yentambo. Ukuguga, ukugqwala, izintambo eziphukile kanye nokuguqulwa kunganciphisa isimo sentambo futhi kudinga ukushintshwa.
16. Imibuzo Evame Ukubuzwa
Yimaphi amandla amancane okuphuka kwentambo yocingo?
I-Minimum Breaking Force (MBF) amandla amancane acacisiwe okudingeka ukuthi intambo yocingo imelane ngaphansi kokuhlolwa okusebenzayo noma izimo ezijwayelekile. Imele amandla okugcina ezintambo kunomthamo ojwayelekile wokusebenza.
Uyini umehluko phakathi kwe-MBF ne-WLL?
I-MBF ichaza ubuncane bamandla okuphuka kwentambo, kuyilapho i-WLL imele umthwalo ovunyelwe wokusebenza ngaphansi kwezimo ezithile. I-WLL ivamise ukuba ngaphansi kakhulu kune-MBF ngoba kusetshenziswa ukuphepha okufanele noma isici sokuklama.
Ubala kanjani i-WLL yentambo yocingo?
Ukuze uthole izibalo ezenziwe lula, i-WLL ingavezwa njengamandla amancane okuphulwa ahlukaniswe isici esisebenzayo sokuklama. Kodwa-ke, umthamo wangempela ovunyelwe kufanele futhi ucabangele isistimu yokuphakamisa, ukunqanyulwa, ukuhlela kabusha, imithwalo eguqukayo, amazinga asebenzayo kanye nezidingo zomkhiqizi.
Ingabe i-MBL iyafana ne-MBF?
I-MBL isho I-Minimum Breaking Load, kuyilapho i-MBF isho Amandla Aphule Kancane. Ziyimiqondo ehlobene eduze futhi ngezinye izikhathi zisetshenziswa ngokushintshana embonini, kodwa incazelo enembile kufanele iqinisekiswe ngokumelene nezinga elisebenzayo noma ukucaciswa komkhiqizo.
Iyiphi into yokuphepha okufanele ngiyisebenzise entanjeni yocingo lwensimbi?
Asikho isici esisodwa sokuphepha sazo zonke izintambo zezintambo. Isici sokuklama esidingekayo sincike ezintweni zokusebenza, isicelo sokuphakamisa, izinga elisebenzayo, izimo zokusebenza kanye nezidingo zomkhiqizi.
Ingabe intambo yocingo enkulu ihlale ine-WLL ephakeme?
Akunjalo. I-diameter enkulu ngokuvamile ihlinzeka indawo yensimbi enkulu, kodwa i-WLL iphinde incike ekwakhiweni kwezintambo, amandla aqinile, ukunqanyulwa, isici sokuphepha kanye nohlelo oluthile lokuphakamisa.
Kungani abathengi bedinga isitifiketi sokuhlolwa kwentambo yocingo?
Isitifiketi sokuhlola singanikeza ubufakazi obubhaliwe bezakhiwo ezilinganisiwe zemishini kanye nokuhambisana nezidingo ezicacisiwe. Ngezicelo ezibucayi zokuphakamisa, abathengi kufanele bacacise uhlobo lwesitifiketi esidingekayo nezinga elisebenzayo ngaphambi kokufaka i-oda.
Ingabe i-SOLITE ingahlinzeka ngedatha yamandla okuphuka kwentambo?
Yebo. Emikhiqizweni esebenzayo, i-SOLITE ingahlinzeka ngezicaciso zobuchwepheshe ezifaka ukwakhiwa kwentambo, ububanzi, amandla aqinile kanye namandla amancane okuphuka. Amadokhumenti okuhlola angaxoxwa ngokuya ngomkhiqizo, ukuhleleka kanye nezidingo ezisebenzayo.
17. Ukukhethwa Kwezobuchwepheshe: Yini Abathengi Okufanele Basithumelele Ngayo
Ukuncoma intambo yensimbi efanele, sithumele imininingwane elandelayo:
| Ulwazi Oludingekayo | Isibonelo |
|---|---|
| Isicelo | I-port crane / tower crane / hoist |
| Ukwakhiwa Kwezintambo | 6×19 / 6×36 / 35(W)x7 |
| Ububanzi | 32 mm |
| Ingqikithi | IWRC / FC |
| Ubuso | Kukhanyiswe / Kukhanya |
| Umthwalo Wokusebenza | Icaciswe ngumklami wemishini |
| Amandla Okuphula Adingekayo | Inani elincane elishiwo |
| Ubude Bezintambo | 500 m / 1,000 m |
| Uhlobo Lwesigubhu | -Isendlalelo esisodwa /{1}}eziningi |
| Isitifiketi | Isitifiketi sokuhlola / i-MTC njengoba kudingeka |
18. Khetha Intambo Yocingo Ngohlelo Oluphelele, Hhayi Inombolo Eyodwa
Intambo yocingo ephephe kakhulu futhi eyonga kakhulu akuyona ngempela intambo enamandla kakhulu egqashuka. Ukukhetha okulungile yintambo kabaniukwakhiwa, ububanzi, amandla okuphuka, ukuguquguquka, ukusebenza kokukhathala, ukumelana nokugqwala kanye nokuqedwaqondanisa impahla yangempela nezimo zokusebenza.
Kubathengi bamazwe ngamazwe, i-RFQ egcwele ngokobuchwepheshe kufanele ihlanganise isicelo, umthwalo wokusebenza, ukwakhiwa kwentambo, ububanzi, ingqikithi, isisekelo, ukunakekelwa okungaphezulu, amandla okuphuka adingekayo, ubude bezintambo nezinga elisebenzayo.
Udinga ukucaciswa kwentambo yezintambo ezifanele?
Thumela i-SOLITE ububanzi bentambo yakho, ukwakhiwa, uhlelo lokusebenza, umthwalo osebenzayo kanye namandla adingekayo okuphuka. Ithimba lethu lezobuchwepheshe lingasiza ekuboneni ukucaciswa okufanele futhi linikeze imininingwane yedatha ehambisanayo kanye nekhotheshini.
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