A na Nka Sebelisa Sling e Flat ho Configuration ea Choke Hitch?

Basebetsi ba qhekellang ba lokela ho phahamisa boima ba cylindrical—phaephe ea tšepe, tšiea ea konkreite, kapa thipa ea tšepe. The bataletseng letjeketjane  ba tšoara ho tloha raka ke bolelele le bokgoni le tokelo ya. Empa mojaro ha o na lintlha tse kenyelletsoeng tse hlalositsoeng. Sesebelisoa se phuthela letjeketjane ho potoloha mojaro, se fetisa leihlo le leng ho le leng, ebe se se tiisa ka thata. Ena ke ho otlolla - 'me e ka ba tharollo e sebetsang ea ho qhekella, empa feela ha e etsoa ka nepo.

 

Lishenflex  e 'nile ea etsa li-slings tsa maiketsetso tse bataletseng ka lilemo tse fetang mashome a mabeli,' me phihlelo ea rona ea tšimo e bontša hore li-hitches ke tse ling tsa lisebelisoa tse sebelisoang hampe hangata. The choke hitch e bonahala e le bonolo, empa ts'ebeliso ea eona e bolokehileng e itšetlehile ka ho utloisisa phokotso ea matla, ho choke angle e nepahetseng le boemo ba letjeketjane. Ho latela tlhaiso-leseling ea indasteri  e tsoang ho baetsi ba matjeketjane ba EN 1492-1-compliant, 'choke hitch capacity factor' ke 0.8 - ho bolelang hore letjeketjane le lekantsoeng bakeng sa thane e le 'ngoe ha le phahamisa e otlolohileng le ka jara lik'hilograma tse 800 ka mokhoa o sireletsehileng.

 

Choke Hitch ke Eng?

Ho choke hitch ke mokhoa oa ho rigging moo letjeketjane le phuthetsoeng ho potoloha mojaro, 'me ntlha e' ngoe ea letjeketjane e fetisoa ka leihlo le fapaneng kapa ho lekana. Joale moroalo oa phahamisoa, e leng ho etsang hore letjeketjane le tiee ho potoloha mojaro. Sena se theha phello ea cinching  e bolokang mojaro le ho thibela ho thella.

 

Joalokaha ho hlalositsoe ho Tataiso ea OSHA mabapi le Tšebeliso e Sireletsehileng ea Sling , choker hitch e loketse meroalo eo ho leng thata ho e leka-lekanya kapa ho e sireletsa ka ho phahamisa holimo ho otlolohileng . Choker hitch e tšoara mojaro ka mokhoa o sireletsehileng ka ho tiisa ho pota-pota. Leha ho le joalo, OSHA e hlokomelisa ka ho hlaka hore ha motho a khangoa, ntlha ea ho khangoa e tlameha ho ba feela 'meleng oa letjeketjane, le ka mohla e se be holim'a splice kapa e loketseng.

 

Setsi  sa Rigging  se hlokomela hore ho choketsoa ke e 'ngoe ea lintho tse tharo tse ka sehloohong tse otlang ka letjeketjane, tse bapileng le tse otlolohileng le tsa baskete, 'me hangata li sebelisoa ha mojaro o se na libaka tse hokelletsoeng hantle.

 

Phokotso ea Bokhoni ho Choke Hitch

Ntho ea bohlokoa ka ho fetisisa bakeng sa tšebeliso ea li-hitch ke ho fokotsa matla. Moeli o lekantsoeng oa mojaro oa ho sebetsa oa letjeketjane o holimo haholo ha o hula ka kotloloho. Ha e sebelisoa ka mokhoa oa ho choke, matla a fokotseha haholo.

 

Ho ea ka Tataiso ea OSHA mabapi le Tšebeliso e Sireletsehileng ea Sling , mojaro o lekantsoeng bakeng sa letjeketjane ka ho choke hitch e khethoa ke moetsi oa letjeketjane mme e thehiloe lehlakoreng la ho khangoa. OSHA e re matla a ho choke a sebetsa hafeela lehlakore la choke e le likhato tse 120 kapa ho feta. Bakeng sa li-angles tsa ho khangoa ka tlase ho likhato tse 120, boima bo lekantsoeng bo tlameha ho fokotsoa ho ea ka litlhahiso tsa moetsi oa letjeketjane.

 

Chate ea papiso ea bokhoni (e ipapisitse le EN 1492-1 polyester flat sling):

 

Mohloli: Lintlha tsa EN 1492-1 tse tsoang ho CEREX le Mennens

 

Joalo ka ha tafole e bonts'a, 'choke hitch factor' (KL) ke 0.8 tlasa EN 1492-1, e emelang phokotso ea 20% ha e bapisoa le e otlolohileng.

 

Ha Choke Hitch e Loketse?

Ho otla ha choke ho loketse maemong a ikhethileng:

 

1. Meroalo e se nang lintlha tse khomaretsoeng - meroalo e cylindrical, liphaephe, dingata tsa rebar le litšiea tsa konkreite

 

2.Meroalo e hlokang ho ts'oaroa ka mokhoa o sireletsehileng - ho thibela ho thella ha o phahamisa kapa o potoloha

 

3.Ho phahamisa leoto le le leng - moo ho sa khoneheng ho otla baskete

 

Joalokaha ho hlokometsoe ke Medeer Lifting , ho choke hitch ho na le thuso bakeng sa ho tšoara meroalo ka mokhoa o sireletsehileng empa ha e tsitsitse ho feta ho otla e otlolohileng 'me e ka senya letjeketjane haeba e sa sebelisoe hantle. Ho lokela ho sebelisoa feela matjeketjane a etselitsoeng tšebeliso ea li-hitch tlhophisong ena, 'me letjeketjane le lokela ho hlahlojoa hore na le senyehile pele le ka mor'a tšebeliso ka 'ngoe.

 

Mokhoa o motle ka ho fetisisa:  Ha motho a khangoa, ntlha e khangoang e lokela ho behoa holim'a 'mele oa letjeketjane—le ka mohla e se ke ea e-ba holim'a leihlo, sekopeng kapa moo ho loketseng. Sekhahla sa choke e lokela ho ba 120 ° kapa ho feta ho boloka matla a felletseng a 0.8.

 

Lintlha Tse ka Sehloohong Tsa Tšireletseho

U se ke ua sebelisa ho choke hitch haeba:

 

● Letsoai le na le maqeba, lekhopho kapa le rōkoa sebakeng seo le tla pupetsoa

 

● The angle choke e ka tlase ho 120 ° ntle le phokotso ea matla e tsamaellanang

 

● Mojaro o na le mathōko a nchocho a ka khaolang likhoele tsa letjeketjane (sebelisa litšireletsana tse hukung)

 

● Letjeketjane lea sotheha kapa le kobehile—sena se baka khatello e sa lekaneng

 

● Letšoao la boitsebiso la letjeketjane ha le eo kapa ha le balehe—o ke ke oa netefatsa boleng bo reriloeng.

 

OSHA e thibela ka ho hlaka:

 

● Li-slings tse nang le mafito (ho khutsufatsa kapa ho lelefatsa ka ho kokota kapa ho sotha ha ho lumelloe)

 

● Ho sebelisa letjeketjane ha u khangoa ka ntlha ea ho bipeha ka ntlha ea khohlopo

 

● Ho beha mejaro holim'a letjeketjane

 

● Ho hula letjeketjane tlas’a mojaro ha mojaro o lutse holim’a letjeketjane

 

Teko ea laboratori ea Lishenflex e tiisa hore li-slings tse nang le ts'enyo e nyane - joalo ka abrasion ea sebakeng sa heno kapa maqeba a manyane - boiphihlelo bo potlakisang ho roala ha maemo a choke hitch ka lebaka la matla a tebileng sebakeng sa ho bipetsa. Ke ka lebaka leo tlhahlobo ea pele ho ts'ebeliso le khafetsa ka ASME B30.9 e leng bohlokoa ka ho khetheha bakeng sa likhoele tse sebelisoang ha li otla.

 

Litlhoko tsa Tlhahlobo bakeng sa Tšebeliso ea Choke Hitch

Li-slings tse sebelisoang ha ho khangoa li-hitch li lokela ho hlahlojoa khafetsa ho feta tse sebelisoang ka ho khetheha liphahameng tse otlolohileng. ASME B30.9  e hloka maemo a mararo a tlhahlobo:

 

Mekhoa ea bohlokoa ea ho tlosa tlas'a ASME B30.9  bakeng sa li-slings tse bataletseng tse sebelisoang ho otloa ke ho choke:

 

● Meroko e robehileng kapa e senyehileng ea likhoele tse rokang moroalo

 

● Ho chesoa ke asiti kapa caustic

 

● Bopaki ba tšenyo ea mocheso

 

● Likoti kapa likhapha tse pepesang likhoele tsa mantlha—haholo-holo ha li khangoa

 

● Ho roala ho tlōla ho feteletseng

 

● Mafito 'meleng oa letjeketjane—ho kotula ho thibetsoe tlas'a OSHA

 

● Ho fifala ha mebala kapa libaka tse robehileng tse bontšang tšenyo ea lik'hemik'hale kapa UV

 

Kakaretso le Likhothaletso tse Sebetsang

Letjeketjane le bataletseng  le ka sebelisoa molemong oa ho choke hitch, empa ts'ebeliso e tlameha ho atameloa ka hloko le ka bokhabane.

 

Lintlha tsa bohlokoa:

 

1. Phokotso ea bokhoni ha e ka buisanoa - ho otla ho fokotsa WLL ho isa ho 80% ea matla a emeng tlasa EN 1492-1

 

2.Choke angle matters — boloka 120° kapa ho feta bakeng sa 0.8 factor e felletseng; fokotsa bokhoni ba li-angles tse nyane ho latela tataiso ea moetsi

 

3. Le ka mohla u se ke ua khangoa ke serethe kapa se betliloeng - ntlha e khangoang e tlameha ho ba 'meleng oa letjeketjane.

 

4.Hlahloba pele le ka mor'a ho sebelisa - khama likotlolo tsepamisa maikutlo khatello ea kelello; hlahloba tšenyo ea sebaka

 

5.Sebelisa lintho tse sireletsang likhutlong —bakeng sa meroalo e metsu e bohale

 

Lishenflex  e etsa li-slings tse bataletseng tsa polyester tse nang le mahlo a matlafalitsoeng le matšoao a hlakileng a nang le mebala, a tsamaellanang le litekanyetso tsa EN 1492-1 le ASME B30.9. Lihlahisoa tsa rona li lekoa bakeng sa meralo eohle ea li-hitch, ho kenyelletsa le li-hitch hitch, 'me re fana ka koetliso ea tlhahlobo ho ts'ehetsa mekhoa e bolokehileng ea ho qhekella.

 

Haeba u hloka thuso ea ho tseba hore na li-slings tsa hau tsa hajoale li loketse lits'ebetso tsa choke hitch - kapa u hloka tataiso mabapi le lipalo tsa bokhoni ba geometry ea hau ea ho phahamisa — 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.