Umsebenzi weBeam NeSwivel Clamps KwiSikhangeli

Izinhlobo Nezinkomba Zokudala Kwamakhamphu eSikilonda

Zonke izihlathi ezintsha zasikilonda zilandela izinhlobo ezintathu zezakhamphu ukuze ziqine: amakhamphu angaphandle komgwa, amakhamphu aswivel jaw, namakhamphu abeam. Leli nhlalo lezinhlobo zokuthaka kwenza imisebenzi ethile xa kuxhunywa iziphi nezibhima. Ngokwesiviko sezinhlelo, ukukhetha ikhamphu efanelekileyo kulesi simo singaholela ekugcineni komthelelo phakathi kweqondo ngama-40% kunokuthatha okuthile okulandelayo. Lokhu kubalulekile kakhulu ekuphepheni nokubukeka kweqiniso embangweni.

Umbono Wokubuka Kwizikhomba Zesikhangiso: I-Sikhangiso Sezansi Elingana, I-Swivel Jaw, Nezikhomba ZeBhema

Izikhomba zesansi elingana zisetyenziswa ukwenza izinkinga eziphambili ezingu-90 degrees xa kusakazwa i-frameworks ngokuphambene. Kukhona futhi izinhlelo ezitsheleka kakhulu ngoba zingasebenza noma yini izanzi phakathi kwezingu-15 kuze kube ngu-135 degrees, okuyinhle kakhulu kumaqondo amadala nezinhlelo ezingavamile. Kule ndawo kukhona izikhomba ze-beam ephathelene nesikhangiso ngqo kuzinto njengezibhima ze-steel I noma izindawo ezinezinja ezinkimbinkimbi. Ngokwesiqephu sezimali esaphendulwe ngoPitsholo, lezi zikhomba zibala ngempela ngaphezu kwezingu-62% yezixhumanisi ezitholakala kuzo zonke izinhlelo zesikhangiso yezimali emhlabeni wonke ngoba abasebenzi badinga into efanele kakhulu ekusebenza kuzo zonke izimo ezahlukene.

Indima Yomlando Wezikhomba ZeBeam Ekupheleni KweSikhangiso Kuzo Mabhema Okuthutha

Amaklampu e-beam anezinhlangothi ezikhethekile zokwenza izixwayiso phakathi kwezinqamuzana zokusebenza ngexesha neendawo eziphambili. Izihlwa zapho zazinyanyaniswa ngokuchazwe ukuze akunakulwa xa kukhona ukuhamba nokuxhasa. Iingcinga zibonise ukuba amaklampu ayaqhubeka nangona akhokelelwa ngamandla angama-3.5 akakilonyuthoni. Kumaqhamuka okukhula abasebenzayo emadwaleni okanye kumabhridji, amaklampu e-beam ayinto ekudingekayo ngoba iinguqu ezilandelayo azifanelekanga kulo msebenzi. Ayaqinisa ngaphandle kokudubula izinxalenye ezigcweleyo, okuqinisa ixesha kwaye libeke inxalenye eyasemva.

Amaklampu Angcolana Ngempendulo Yezibini Ngokuphindaphinda Kwabo

Yenzelwe ukuxhunyaniswa phakathi kwezilimi, i-clamp zokugcina okungcono kakhulu kuzo zonke izinto ezenziwa ngendlela echanekileyo. Izivikelo zombuso zibonisa ukuthi lezi ziphazamiso zihlala zixhunywe ngokukhanya okungaphezu kuka-23% kunazo ezizulayo xa kusetyenziswa umthwalo ongqonge, futhi zibe yisidingo esibalulekile kubasebenzi basezinkathalo eziningi.

Izicaphuza Zokugcina Ngokutheleka Ngokuvamile Kwi-Hinge Ezingavamile

Ngokusebenza kwazo okuphinde kaphindwa kabili (360°), izicaphuza zokugcina zokutheleka zinakekela ukukhokelela kwezilimi kumgodi ongenamandla njengezifasi ebomvu. Ukulungiselela kwazo okuphinde kaphindwa kabili kuvumela ukungahambelani kwezilimi ku-5° ngaphandle kokulahlekelwa kwezindleko zokuxhunyana, nakuba abasebenzi basejinjalo bakhumbula ukuthi kudinga ukukhokha okungaphezu kuka-15% kulokhu kufanele kube khona kuzo ezizulayo ngemva kokuqhathaniswa ngokudala.

[^1]: Imvume emvela kwehlatywaliba le-2023 yeSithembiso sikaScaffolding Safety Institute (ISSI)
[^2]: Izimpendulo emvela kwezigaba zokuhlola ngaphandle ngokulinganiselwe ku-EN 74-1:2022

Ukufakelwa Kwiziciyelelo Nezimali Zokusebenza Kwizicaphuza Ezithelekayo Nezilandelayo

Izicaphuza Zokugcina Ngokutheleka Ngokuvamile KwiNtonga Ezihlukene Noma Ezingenamandla

Amakhamphu aqhubekayo azinika ukuzingqa ngaphezu kuka-280 izigaba okwenzela ukuba kube yisikhathi esihle kulezi zikhalo ezinzima apho izinto ayizuzi. Faka phakathi izicathulo zesivumo noma izinkundla ezingadinga ukulungiswa kwesizingo. Lapho sizilondoloza lezi ngane, zazilinda iqhaza eligcwele lomlando nangoba ziqhakazile ngamagaba angama-45—lokhu kubalulekile kakhulu lapho abasebenzi bangadinga ukulungiselela izibukhi zebrishi noma izindlu ezizungezile. Okukhanya kubo kukhusela lwabo oluphinde phezu kwebali elinamandla lokuthola amagaba angama-12 kuphela noma ngapha. Akudingi ukuguqulela izimboni ngelengelelo, okususa ixesha ikakhulukazi emkhakheni emadodana apho isikhala sikhona njalo siyisilingo.

Amakhamphu Amanye Amathambo kwiZimenyelo Ezahlukene Zemthambo Nezinguquko ZaseKhaya

Amaklampu e-beam angadinga ukumiswa phakade ayakwazi ukubamba ububanzi be-flange okungaphansi kwezintathu nezihlanu inchi kuze kube yishumi nayishumi inchi ngokuthi zinesayensi esalindelwe. Lokhu kusho ukuthi abasebenzi abasebenzayo embangalini apho kunezinkinga ezahlukene ezinezibuko ezahlukene azidingi ukuba abe nenani eliningi lamaklampu edolobha alilingi. Ngokwesicwangciso esheshayo ekugcineni isikhathi, abasebenzi ababe nemithombo lezi etholaselwa yizikhathi ezingu-30 kulandela izigaba ezahlukene ezivalelwe kakhulu ngaphandle kokulahlekelwa kwisikhathi kunabo basebenzisa iziklampu ezivimba ngokuvamile xa bezama ukuvula imithombo yezihospitali entiriyweni. Kanti kodwa okubalulekile kangaka kukhona ukuthi zilunge ngakanani emshinini wempilo. Isimo esithile se-tungsten esingxenyeni yokubamba sicinga ukuthi singaqhubeka ngaphezu kwezikhathi ezingu-10 ngaphandle kokulahlekelwa kwe-thread, into engasivimbi njalo amaklampu akhawulezwayo ahlelekile xa aqhubekisa kuzinyikelo ezifanayo embangalini.

Ubunzima Bokukhanya Nezindlela Zokulindela Umoya Wezivuno Zesikhangiso

Ukwenza Kwamathambo Akhanyisiwe Ukugcinwa Kude Nokulindela Ukuthinta

Ngokwesikhangeliwa kwezivuno, sidinga izimboni ezingakwazi ukulawula wonke lezi zikhathi ezihlukene zokuphazanyiswa ngelishani elisebenza. Ngokwemfundo ethile eyisayo emlandweni, igolide yesilika isilika sibonakala njengesinkana esihle kangaka manje. Lezi ziphaphu ezithunyelwe zihlala phakathi kwesikhathi sesibili ngaphambi kokuthathwa yisikhathi, ngokusho kukaShelterRC kusihlandlo samuhla. Kungani lokhu galvanized steel kuyindlela enhle yokuhlaba ububi? Kusekelwe kubali oku. Okokuqala, kusethembela ngokwalo uma kugcwaliswe nge-oxigen, ukuvikela ukuthi kweba umoya. Okwesibili, kukhona lo gongoma olukhulu olukhazimula kahle kakhulu kizinyo eziphazanyiswa ngalo ngexesha. Masingenze ukuthini ukuthi uhlelo lwempahla olupheleleyo luthatha inyaniso kulo lonke into. Uma ababhili bakhathala kakhulu ekunikelweni inkcazelo ngexesha lokwenza, bazothola ukuthi kunezinkinga ezincane ezingaphezu kumfanekiso wazo—lezizinto eziphazanyiswa ngazo.

Ukukhuseleka Kwe-Corrosion Emkhawulweni Engcono: Izihlalo, EzaseKuselini, Nezindawo Zokunqamula

Xa khethekwa amakhambi endaweni yezindlu zokuphatha, emaphandleni okukhanya, noma emvuleni lapho izilithiyo zokuthintela isihlalo zisetshenziswa khona kakhulu, abasebenzi basebenzisa kakhulu indlela abathintwayo bathinta ngayo inhlawulo. Izivikelo ezwenziwe emkhumbini wamanzi anesilithi zibonisa ukuthi amakhambi akhanyisiwe angasebenze kahle ngaphezu kweminyaka engu-1,200, lokhu kungaphezu kweziphethandaba ezingu-3 kunazo ezinye izinkathi ezikhanyisiwe ngokuvikela ngokusho kwekhiya ye-Sunjelec ekwazulwa ngo-2022. Iziseko zangaphandle zezimali ezingenamandla angena kakhulu ayingcobile ukuthi amakhambi atholakala esitshaleni esinamandla afakwe ngamakhromiumu namaniqeli njengoba awunika uhlelo olungenhla kwezici eziningi zasilithiyo. Imali efakiwe kusabela kuphela iyahlulela futhi. Iziphahlaloko zezenzo ezidlulayo zezimali ezithe phansi kwezindawo zomphakathi zafumana ukuthi ukusebenzisa lezi zidingo ezinezindlela zokugcinwa kancane ngama-37% ngeminyaka engaphezu kweminyaka.

Ingeno Yokuqhubeka, Ukusebenza, Nezivikelo Zezimali Zokusebenzisa Amakhambi

Amatheshwado ebala kwezimali ezilayishwayo nezikhazimla eziphazanywayo ngaphansi kwezimo ezinhle

Izikhazimla ezilayishwayo zihlala zibala izimali ezinkulu kunazo ezikhazimlayo. Siyashiyela ngaphezu kuka-3,500 ukuya ku-4,200 iphaundi yebala eliphakeme ngendlela eyodwa, nguye ngaphezu kuka-2,800 ukuya ku-3,300 iphaundi yezikhazimla ngoba lezo ezilayishwayo zidolobheni ngokukhulu. Izivivinyo ezithile zasemva kujikeleza le mina ngokulinganisa ngezinhlobo ze-ANSI/ASSE A10.8-2019. Kodwa kufunyanwa futhi, uma ziqashelwa kuzivivinyo ezinezinkinga ezihambisana nezimo zehlathi ezenziwa ngamandla amaningi, izikhazimla ezikhazimlayo zihlangabezana ngama-12 iphesenti ngaphansi kwekho kufanele kube khona. Okunye okubalulekile kukhona nokhuseleko. Abadoli kumele bakhuthaze isilinganiso esikhulu kunesine kusine ukuze batholele izinkinga ezithile njengegciwane elimbilikayo emva kwegusha lesikhathi nezixhumanisi ephazanyayo ngokugcwele.

Ukusebenza kwesithuthiwa ngaphansi kwebala enkimbini nembala engenamandla emabombeni aphezulu

Izivikelo ezweni ngokwabo zibonisa ukuthi i-beam clamps zihlukana kakhulu nge-18% kuya ku-22% yesilingo sabo uma zitholakala emkhanyeni omubi ophakeme kuku-30 miles per hour. Uma abasebenzi bazothola izinto njengezinkathalo noma izilimi zokuphepha, ubunzima awubaluleki ngokuphelele. Lokhu okungaphakade kubona konke okusemthethweni kuhlelekisa indlela abasebenzayo ngayo lezi ziphazanyo, futhi kangaka kusenzo kube yizilingo eziphansi nge-35%. Kuzindlu ezikhula phezu kwezulu, amagunya okulungiselela kumele achazeke ubuncane bezinkinga ngaphambi kwesinye isikhathi ngasinye ngeminyaka yobudaka. Ukuhlukatha kukaqondile kumelapha kuhlukanwa kakhulu kwezi ziphazanyo ezibalulekile, futhi kungenzeka kuhlukane kwezilingo eziphansi kuma-8 kuya ku-10 Newton meters ngonyaka uma akuchazeki.

Ukulinganisa izimiso zomphathi wengxenye kusho nokuzivikela kwempilo: ukulungiselela izilingo ezikhulu kakhulu

Ngo-2023, abacwaningi babheka izibopho ezihlukene ezingu-42 zezinhlaka zezimpahla futhi bathola okuthile okushaqisayo: cishe ingxenye yesithathu ayizange ihlale ngaphansi kwemingcele yesisindo sayo lapho ihlolwa ngokuwa okulawulwayo. Iyini inkinga? Izinkampani eziningi zivivinya imikhiqizo yazo ngaphansi kwalokho ezikubiza ngokuthi "izimo ezinhle", ngokuyisisekelo zingakunaki ukuphila kwangempela njengokushintsha kwezinga lokushisa noma uthuli olungena ezenzweni. Yingakho amaqembu azimele okuqinisekisa eseqalile ukufuna ukuhlolwa okuqinile kulezi zinsuku. Manje abakhiqizi kumelwe bafakazele ukuthi izibopho zabo zingakwazi ukubhekana nemithwalo ephindaphindwayo engaphezu kuka-500 kanye nokuchayeka kwamanzi anosawoti okufaniswayo ngaphambi kokuba kube khona othatha izinsolo zabo ngokungathi sína.

Ukuhambisana namazinga okuphepha aphesheya kwezilokotho ze-scaffolding

Ukuhlangabezana namazinga we-AS 1576, BS 1139 ne-EN 74 obuqotho bokwakhiwa nokuphepha

Uma kubekekanga kumgubhu kuyavikela i-AS 1576 e-Australia, i-BS 1139 e-Britain, kanye ne-EN 74 e-Europe, kwenza umqondo wokuphepha okufanayo okusebenza kahle emathengakalini apho konke akhiwe khona. Lo msebenti wase-Australia u-AS 1576 ubabiza ukuthi izinto kumele zilinde amandla okugcwalisa kuze kube ngu-500 MPa xa kusekelwa kumagugu amakhulu kakhulu. Ngakwesokunxele, e-Britain, i-BS 1139 isebenza ngokuthi yonke into ihlangane kahle, ibe yizilinganiso ezihlelekile ngaphakathi kwemitha 1.5 ukuze izimbi zihlangane ngaphandle kwezinkinga. Izikekanga ezivikiwe nge-EN 74 e-Europe zihlaziywa kabusha kabusha ngamagugu angu-10 kN atholakala ngamahluko, okuthi izahluko eziningi zehlaziywa ngokuphepha kwegubeke kubonise. Okuthakathaka kukhona ukuthi uma abayenzelwa bafuna ivikeli lesikhulu ngokulingana nalezi zimpendulo, kusungulwa kwezimali zezikekanga ngama-83 phesenti kuphela kunezoo ayizange zifakwe ivikeli njalo ngokwalesi uphawu lwemviki ya-2023 ngokuphepha kwegubeke.

Ukuthi amakhampu aqondene kangakanani kusaphulelo, ukhululekile kwezikhathi zokuhlola, nokwamukelwa kwezinhlelo ezihlukene

Xa kufanele kuthathwe ngamakhampu aqondene, akunciphisa khona umsebenzi wonke wokwamukela phakathi kwezifundazwe ezahlukene ngoba izigaba eziningi zizivumela izidokhumenti zakho ngaphambili. Lezi zidokhumenti zandaba ziqukethe izibonakude zomthelela ongenhla futhi iminikelo yokuqina kwegadi lokulahla. Izimboni zokudala ezigcina iziqhamo ezixhaswayo kuka-BS 1139 zithola izivumo zokuhlola ngokushesha kakhulu—ngaphezu kwama-40% ngokushesha kunazo zinye. Kungani? Ngoba bonke bazi ukuthi yini okuthethwa ngamagaka ethorque (okuvamile ngu-8 ku-10 Newton meters) bafasa ngokuyi qinisekisa ubunzima bomlilo wesilvere esigcinwe emhlabeni. Okunye okubaluleke kakhulu kukusasa xa kudingeka ukulungiswa ngokushesha. Abasebenzi bangathatha iziqhamo ezintsha kuyiphi indawo engenako inkohlakalo mayelana nomtholampilo, lokhu kunciphisa isikhathi futhi kugcine izinxenye zisemoyeni nezisemoyeni.

Imibuzo Evame Ukubuzwa

• Izihlobo ezimbalwa zezakhambi zezakhambi ziziphi?
  Izinhlobo ezisemthandabuziwe kakhulu zeziklipha zokuthaka kuyiziklipha ze-90-degree, iziklipha zezinhlango zibophezela, neziklipha zomthambili.
• Kungani iziklipha ze-90-degree ziyathandwa kakhulu kumaqashito e-90-degree?
  Iziklipha ze-90-degree zifinyelela ukuxhumana okuphephile kakhulu (98%) kumetali ngemetali bese ziqinisekisa ukuthintana okuhle kangaka nge-23% kunazo ezizungezileyo phansi kolawulo oluwundiza.
• Iziklipha zomthambili zenza yini ukuhlonipha kwesetyenziso esethulwini?
  Iziklipha zomthambili zixhumanisa iplatfomu esethulwayo nomgudu wakumele womnyango ngaphandle kokugcwalisa, zinikeza isivinini futhi zilindele umgudu wasekhona.
• Yintoni leliqobo elithandwa kakhulu kuleziklipha zokuthaka ukuqinisekisa ukudala okude?
  Isteeli egalvanisiwe ithandwa ngoba inamandla amandla nokukhanyeka, ibandla ukuthi igaleka futhi ikholelwe kakhulu emiphilweni yomgudu ngonyaka.
• Kubalulekani ukuthi kuhlaziywe nezimali ezihlaziywe ngendlela eziphathelene nesetyenziso njenge-AS 1576, BS 1139, ne-EN 74?
  Ukuthi kuhlaziywe kulezi zimali ziqinisekisa ubunzima besistimu nesetyenziso, sibandla iziphazanyo zeziklipha futhi senze inkonzo yesimilo esingcono emhlabeni wonke.