A na nka Kopana le Li-Slings tse peli tsa Flat Hammoho ho Holisa Bolelele?

Basebetsi ba qhekellang ba ntse ba lokisa lifti. Mojaro o bolelele ba limithara tse 15, empa ke oona feela Sling e bataletseng e fumanehang ke maoto a 10. Mookameli o hloka letjeketjane le lelelele—le ka potlako. Teko ea ho kopanya li-slings tse peli tse khuts'oane hammoho e batla e le e ke keng ea hanyetsoa.

Empa mookameli oa lichelete o tseba betere. Ho latela OSHA 1910.184(c)(2) , neng kapa neng ha letjeketjane leha e le lefe le sebelisoa, li-slings li ke ke tsa khutsufatsoa ka mafito kapa liboutu kapa lisebelisoa tse ling tsa nakoana. ASME B30.9 ka ho tšoanang e hloka hore matjeketjane a se ke a sotheha, a khutsufatsoa, ​​a lelefatsoa, ​​a tlamelloa ka mafito, kapa a kopanngoa ka mafito.

Lishenflex e 'nile ea etsa li-slings tsa maiketsetso tse bataletseng ka lilemo tse mashome,' me phihlelo ea rona ea tšimo e bontša hore likhokahano tse sa lokelang tsa letjeketjane ke sesosa se ka sehloohong sa liketsahalo tsa ho qhekella . Ketso e bonolo ea ho kopanya li-slings tse peli hammoho e ka fokotsa matla ka 50% kapa ho feta, ho baka sebaka se seholo sa ho hlōleha tlas'a mojaro.

1. Ke Hobane'ng ha Ho Kopanela Li-slings ka ho toba ho Kotsi

1.1 Li-knots le Girth Hitches-Ho Fokotsa Matla a Matla

Mokhoa o tloaelehileng oa ho kopanya li-slings tse peli ke lefito kapa girth hitch (lark's leoto). Mekhoa ena ka bobeli e etsa mekoloko e bohale e lebisang khatello sebakeng se senyenyane. Ho latela tlhahlobo e boletsoeng sechabeng sa batho ba hloahloa sa UK, ho otla ha girth ho ka fokotsa matla a letjeketjane ka hoo e ka bang 50% . Esita le tlas'a Lifting Operations le Lifting Equipment Regulations (LOLER), phokotso ke bonyane 20% ha e etsoa ka li-slings tsa bophara bo lekanang.

SpanSet e hlokomelisa hore mofuta ofe kapa ofe oa letjeketjane—tsling ea marang-rang, letjeketjane le chitja, thapo ea terata, ketane—ha ea lokela ho tlangoa. Ho tlama lefito ho tla etsa hore likarolo tse nang le mafito li arohane 'me ho baka tšenyo, e leng se ka qetellang se baka kotsi e bolaeang.

1.2 'Pulley Effect' le Ketso ea ho Seha

Ha li-slings tse peli li kopantsoe 'me li behoa tlas'a mojaro, ntlha ea ho hokahanya e sebetsa joaloka pulley. Li-slings li tsamaea khahlanong le tse ling tlas'a tsitsipano e phahameng, li etsa hore ho be le likhohlano le liketso tse sehang tse ka khaolang likhoele. SpanSet e bolela ka ho hlaka hore likhoele tse koetsoeng li etsa hore likarolo li arohane, ho baka tšenyo e ka qetellang e baka kotsi e bolaeang. Ke ka lebaka leo litekanyetso tsa OSHA le ASME li thibelang ho ikopanya ka ho kotela-tšenyo e ntse e tsoela pele 'me hangata ha e bonahale ho fihlela e hloleha.

1.3 Maemo a Indasteri a e Thibela

Ho latela WAC 296-155-55825 , bahiri ha baa lokela ho khutsufatsa kapa ho lelefatsa matjeketjane ka ho tlanya kapa ho sotha. Sena se sebetsa ho li-slings tsa marang-rang ka ho khetheha. Tlas'a ASME B30.9 , mafito karolong efe kapa efe ea letjeketjane ke mabaka a hore a tlosoe ts'ebeletso hanghang. Sena se bolela letjeketjane le lohiloeng—leha e le hanngoe feela—le tlameha ho hlakoloa.

Tataiso ea tlhahlobo ea Mazzella Companies e thathamisa 'mafito karolong efe kapa efe ea letjeketjane' e le boemo bo hlokang hore motho a tlosoe tšebeletsong, hape e bolela hore letjeketjane ha lea lokela ho sotheha, ho tlamelloa ka mafito, kapa ho kopanngoa ka mafito. Ka mokhoa o ts'oanang, Melao ea Ts'ebetso ea Phahamiso le Lits'ebetso tsa ho Phahamisa (LOLER) e thibela ho kotula e le mokhoa oa ho khutsufatsa kapa ho kopanya li-slings.

2. Seo Melao e se Buang

3. Tsela e Nepahetseng ea ho Eketsa Bolelele ba Sling

Haeba li-slings tse peli tse bataletseng li tlameha ho kopanngoa ho fihlela bolelele bo hlokahalang, mokhoa o le mong feela o bolokehileng ke ho sebelisa lisebelisoa tsa ho phahamisa tse inehetseng.

3.1 Lihlapi

Li-shackles ke mokhoa o tloaelehileng haholo oa ho kopanya li-slings. Leihlo le leng le le leng la letjeketjane le khomaretsoe pineng ea shackle kapa seqha, ho theha sebaka sa khokahano se lekantsoeng ke mojaro. TS EN 1492-1 li-slings tse lohiloeng tse sephara li ka sebelisoa hammoho le lisebelisoa, ha feela lisebelisoa li lekantsoe hantle ebile li lumellana le letjeketjane.

Litlhoko tsa bohlokoa ha u sebelisa li-shackles :

• Shackle WLL e tlameha ho lekana kapa ho feta WLL ea letjeketjane

• Boholo ba shackle bo tlameha ho lekana mahlo a letjeketjane ntle le ho tlama

• Pini ea shackle e tlameha ho tiisoa hantle le ho tiisoa

3.2 Li-Joker Hooks le Lihokelo tse inehetseng

SpanSet e khothalletsa Joker Hook e le mokhoa o sireletsehileng oa ho atolosa bolelele ba letjeketjane. Joker Hook e sebetsa e le sehokelo se kopanyang ho kopanya bolelele ba lilaemane tse chitja kapa melangoana ea marang-rang hammoho, e u lumellang ho theha letjeketjane le lelelele ha ho hlokahala. E na le matla a ho phahamisa, likhoutu tsa mebala, 'me e lumellana le litekanyetso tsa EN 1492.

3.3 Likhokahano tse bonolo (Ha li lumelletsoe)

Liftex le bahlahisi ba bang ba lumella likhokahano tse bonolo ha feela ho hokeloa ho entsoe ka hardware e lekantsoeng hantle-eseng ka ho toba ho sling-to-sling. Tekanyetso ea Sechaena GB/T 25854 ka ho tšoanang e hloka hore likarolo tsohle tse hokelang li fuoe litekanyetso li be li tsamaellane le WLL ea letjeketjane, 'me likarolo tsohle li tlameha ho hlahlobjoa hore na ha li senyehile kapa li senyehile pele li sebelisoa.

4. Ho Etsahala'ng Haeba U Sebelisa Sling ea Knotted?

• Sling e tlameha ho hlakoloa : Ho latela ASME B30.9, mafito a hloka ho tlosoa tšebeletsong.

• Litlhaloso tsa OSHA : OSHA hangata e qotsa bahiri bakeng sa ho sebelisa li-slings tse koetsoeng. Bonyane nyeoeng e le 'ngoe e ngotsoeng, ho ile ha fanoa ka qotso bakeng sa letjeketjane la maiketsetso le neng le tlanngoe lefito.

• Ho fokotsa matla : Ho otla ha girth ho fokotsa matla ka 20-50%, ho itšetlehile ka mokhoa oa ho hokahanya.

• Kotsi ea ho hlōleha ha koluoa ​​: Ketso ea ho khohlana le ho itšeha lefitong ho ka baka ho hloleha ha tšohanyetso tlas'a mojaro.

5. Kakaretso le Likhothaletso tse Sebetsang

Ho kopanya li-slings tse peli tse bataletseng ka ho otla kapa ho otla ho thibetsoe ke OSHA, ASME, EN 1492-1, le LOLER . Tloaelo ena e fokotsa matla a letjeketjane ka 20-50%, e baka tšenyo e tsoelang pele ho tsoa ho khohlano, 'me e pepesetsa basebelisi kotsing e kholo ea ho se atlehe.

Lintlha tsa bohlokoa:

1. Le ka mohla u se ke ua kopanya lefito kapa girth-hitch slings hammoho - e thibetsoe ka litekanyetso tse ngata 'me e fokotsa matla haholo.

2. Sebelisa li-hardware tse inehetseng - li-shackles, Joker Hooks, kapa lihokelo tse ling tse lekantsoeng ke mojaro ke tsona feela mekhoa e sireletsehileng

3. Litekanyetso tsa papali - lisebelisoa tsohle tse hokahanyang li tlameha ho ba le WLL e lekanang kapa e kholo ho feta WLL ea letjeketjane.

4. Hlahloba likhokahano —hlahloba hore na hardware e lumellana le mahlo a letjeketjane ’me ha e na tšenyo

5. Koetlisa sehlopha sa hau - etsa bonnete ba hore li-riggers tsohle li tseba thibelo ea likhokahano tse nang le mafito

Lishenflex e etsa li-slings tse bataletseng tsa polyester ho litekanyetso tsa EN 1492-1 le ASME B30.9, tse nang le matšoao a hlakileng a mebala-bala le ho roka ho jara. Re boetse re fana ka lisebelisoa tsa ho rigging-ho kenyeletsoa mahlaahlela le likhokahanyo-tse etselitsoeng likhokahanyo tse bolokehileng tsa letjeketjane.

Haeba o hloka thuso ho khetha lisebelisoa tse nepahetseng tsa khokahanyo bakeng sa ts'ebetso ea hau ea ho phahamisa — kapa o hloka thuso ho tseba mokhoa o nepahetseng oa ho lelefatsa bolelele ba letjeketjane — ka kopo romella lengolo-tsoibila ho sales@lishenflex.com , mme sehlopha sa rona sa tekheniki se tla fana ka ts'ehetso ea motho a le mong.