So Metumi Aka Nhama Abien a Ɛyɛ Tratraa Bom De Atrɛw Ne Tenten Mu?

Riging adwumayɛfo bi resiesie afiri a wɔde bɛforo. Adesoa no tenten yɛ anammɔn 15, nanso ɛno nkutoo flat sling a ɛwɔ hɔ no yɛ anammɔn 10. Ɔhwɛfo no hia agyan a ɛware —na ɛyɛ ntɛmntɛm. Ɛkame ayɛ sɛ sɔhwɛ a ɛne sɛ wɔbɛka nhama ntiantiaa abien abom kɛkɛ no yɛ nea wontumi nsiw ano.

Nanso rigging sohwɛfo no nim yiye. Sɛnea OSHA 1910.184(c)(2) kyerɛ no , bere biara a wɔde sling biara bedi dwuma no, ɛnsɛ sɛ wɔde nhama anaa nhama anaa mfiri afoforo a wɔde yɛ bere tiaa mu twitwa slings so. ASME B30.9 nso hwehwɛ sɛ ɛnsɛ sɛ wɔkyinkyim slings, ntetew so, ɛntenten, nkyekyere no nkɔ nhama mu, anaasɛ wɔmfa nkɔnsɔnkɔnsɔn nka ho.

Lishenflex ayɛ slings a ɛyɛ tratraa a wɔayɛ no mfe du du pii, na yɛn afuw mu osuahu kyerɛ sɛ sling nkitahodi a ɛmfata ne ade titiriw a ɛde rigging nsɛm ba . Adeyɛ a ɛnyɛ den a ɛne sɛ wɔbɛkyekyere nhama abien abom no betumi atew ahoɔden so 50% anaa nea ɛboro saa, na ɛde huammɔdi kɛse aba wɔ adesoa ase.

1. Nea Enti a Asiane Wɔ Slings a Wɔde Bɛka Ho Tẽẽ

1.1 Knots ne Girth Hitches—Ahoɔden a Wɔtew So Kɛse

Ɔkwan a wɔtaa fa so de nhama abien bom ne kɔndua anaa girth hitch (lark nan). Akwan abien no nyinaa ma wɔyɛ benkum a ano yɛ nnam a ɛma adwennwen kɔ beae ketewaa bi so. Sɛnea sɔhwɛ ahorow a wɔaka ho asɛm wɔ UK forofo kuw mu kyerɛ no, girth hitch betumi atew sling ahoɔden so bɛyɛ 50% . Wɔ Lifting Operations and Lifting Equipment Regulations (LOLER) ase mpo no, anyɛ yiye koraa no, tew no yɛ 20% bere a wɔde slings a ne kɛse yɛ pɛ na ɛyɛ no.

SpanSet bɔ kɔkɔ sɛ ɛnsɛ sɛ wɔde nhama biara—webbing sling, round sling, waya hama, nkɔnsɔnkɔnsɔn—kyekyere. Sɛ wɔkyekyere kɔndua a, ɛbɛma afã horow a wɔakyekyere no atwa wɔn ho wɔn ho na asɛe, na awiei koraa no ebetumi ama akwanhyia a ɛyɛ hu aba.

1.2 'Pulley Effect' ne Twitwa Adeyɛ

Sɛ wɔde nhama abien bom na wɔde gu adesoa ase a, baabi a wɔde nkitahodi no yɛ adwuma te sɛ afiri a wɔde twe ade. Slings no kɔ wɔn ho wɔn ho so wɔ nhyɛso kɛse ase, na ɛde akasakasa ba na ɛtwa adeyɛ a ebetumi atwa nhama no mu. SpanSet ka no pefee sɛ nhama a wɔde nhama ayɛ no ma afã horow no twa wɔn ho wɔn ho mu, na ɛma nneɛma sɛe a awiei koraa no ebetumi ama akwanhyia a edi awu aba. Eyi nti na OSHA ne ASME gyinapɛn ahorow bara sɛ wɔmfa nkɔnsɔnkɔnsɔn nkɔka ho no —ɔsɛe no kɔ so na mpɛn pii no wontumi nhu kosi sɛ edi nkogu.

1.3 Nnwumayɛbea Gyinapɛn Bara No

Sɛnea WAC 296-155-55825 , ɛnsɛ sɛ adwumawuranom tew nhama tiaa anaasɛ wɔtrɛw mu denam nhama a wɔbɛkyekyere anaasɛ wɔbɛkyinkyim no so. Eyi fa synthetic web slings ho titiriw. Wɔ ASME B30.9 ase no , nhama a ɛwɔ sling no fã biara no yɛ nea wogyina so yi fi adwuma mu ntɛm ara. Eyi kyerɛ sɛ ɛsɛ sɛ wɔsɛe agyan a wɔabɔ no nkɔnsɔnkɔnsɔn—pɛnkoro mpo—no.

no Mazzella Companies nhwehwɛmu akwankyerɛ kyerɛw 'nknots a ɛwɔ sling no fã biara' sɛ tebea a ɛhwehwɛ sɛ woyi fi ɔsom mu, na ɛka bio sɛ ​​ɛnsɛ sɛ wɔkyinkyim slings, kyekyere no nkɔnsɔnkɔnsɔn, anaasɛ wɔde nhama bom. Saa ara nso na Lifting Operations and Lifting Equipment Regulations (LOLER) bara sɛ wɔbɛkyekyere nhama sɛ ɔkwan a wɔfa so twitwa nhama so anaasɛ wɔde bom.

2. Nea Gyinapɛn no Ka

3. Ɔkwan Pa a Wɔfa so Trɛw Sling Tenten mu

Sɛ ɛsɛ sɛ wɔde abien a ɛyɛ nhama tratraa bom na ama wɔatumi ayɛ tenten a wɔhwehwɛ a, ɔkwan biako pɛ a ahobammɔ wom ne sɛ wɔde mfiri a wɔatu ho ama a wɔde ma nneɛma so bedi dwuma.

3.1 Nkɔnsɔnkɔnsɔn

Nkɔnsɔnkɔnsɔn ne ɔkwan a wɔtaa fa so de nhama bom. Wɔde sling biara aniwa bata shackle pin anaa bow no ho, na ɛma wonya baabi a wɔde adesoa toto ho. EN 1492-1 kyerɛ sɛ wobetumi de webbing slings a wɔanwene a ɛyɛ tratraa adi dwuma ne fittings, sɛ wɔahyɛ fittings no yiye na ɛne sling no hyia a.

Ahwehwɛde atitiriw bere a wode nkɔnsɔnkɔnsɔn redi dwuma no :

• Ɛsɛ sɛ Shackle WLL yɛ pɛ anaasɛ ɛboro sling no WLL so

• Ɛsɛ sɛ nkɔnsɔnkɔnsɔn kɛse fata sling aniwa no a ɛnkyekyere

• Ɛsɛ sɛ wɔkyekyere shackle pin no yiye na wɔde hyɛ mu den

3.2 Joker Hooks ne Nkitahodi a Wɔahyira So

SpanSet kamfo Joker Hook kyerɛ sɛ ɔkwan foforo a ahobammɔ wom a wɔfa so trɛw sling tenten mu. Joker Hook no yɛ adwuma sɛ nkitahodi a ɛka bom a ɛde slings kurukuruwa anaa webbing slings tenten abien bom, na ɛma wutumi yɛ sling tenten bere a ɛho hia. Ɛwɔ tumi a ɛma nneɛma so, kɔla ahorow, na ɛne EN 1492 gyinapɛn ahorow hyia.

3.3 Nkitahodi a ɛyɛ mmerɛw (Bere a wɔma ho kwan) .

Liftex ne afoforo a wɔyɛ no ma kwan ma wɔde nkitahodi a ɛyɛ mmerɛw di dwuma bere a wɔde nkitahodi no akɔ hardware fitting a wɔahyɛ no agyirae yiye so nkutoo —ɛnyɛ sling-to-sling tẽẽ. Chinafoɔ gyinapɛn GB/T 25854 saa ara hwehwɛ sɛ wɔde nneɛma a ɛka bom no nyinaa to sling no WLL so na ɛne sling no WLL hyia, na ɛsɛ sɛ wɔhwɛ afã horow no nyinaa mu sɛ ebia asɛe na asɛe ansa na wɔde adi dwuma.

4. Sɛ Wode Nhama a Wɔabɔ no Nhama Di Dwuma a, Dɛn na Ɛba?

• Ɛsɛ sɛ wɔpopa sling no : Sɛnea ASME B30.9 kyerɛ no, nhama hwehwɛ sɛ woyi fi ɔsom mu.

• OSHA citations : OSHA taa fa adwumawuranom asɛm ka sɛ wɔde slings a wɔabɔ no nhama di dwuma. Anyɛ yiye koraa no, wɔ asɛm biako a wɔakyerɛw ho asɛm mu no, wɔde krataa mae sɛ wɔde afiri a wɔde yɛ wɛb a wɔde ayɛ afiri a wɔakyekyere wɔ kɔndua mu.

• Ahoɔden so tew : Girth hitch ma ahoɔden so tew 20-50%, egyina ɔkwan a wɔfa so de nkitahodi no so.

• Asiane a ɛde huammɔdi ba : Friction ne cutting action a ɛwɔ knot no so no betumi ama adi huammɔ mpofirim wɔ adesoa ase.

5. Nsɛm a Wɔaboaboa Ano ne Nkamfo a Wɔde Di Dwuma

abien a ɛyɛ tratraa bɛka abom nhama denam nhama anaa girth hitching so OSHA, ASME, EN 1492-1, ne LOLER bara sɛ wɔde . Adeyɛ no ma sling ahoɔden so tew 20-50%, ɛde ɔsɛe a ɛkɔ so nkakrankakra fi friction mu ba, na ɛma wɔn a wɔyɛ adwuma no to asiane a ɛyɛ hu mu sɛ wobedi nkogu.

Nneɛma atitiriw a wɔde kɔ:

1. Mfa nkɔnsɔnkɔnsɔn anaa girth-hitch nkabom da —wɔabara wɔ gyinapɛn ahorow pii mu na ɛtew ahoɔden so kɛse

2. Fa hardware a wɔatu ho ama di dwuma —shackles, Joker Hooks, anaa nkitahodi afoforo a wɔde adesoa ahyɛ mu ma nkutoo ne akwan a ahobammɔ wom

3. Match ratings —ɛsɛ sɛ hardware a ɛka bom nyinaa nya WLL a ɛne sling no WLL yɛ pɛ anaasɛ ɛboro so

4. Hwɛ nkitahodi ahorow —hwɛ sɛ hardware fata sling aniwa no na ɛnsɛee

5. Tete wo kuw no —hwɛ hu sɛ riggers nyinaa nim bara a wɔabara wɔ knotted connections ho

Lishenflex yɛ polyester flat slings a ɛne EN 1492-1 ne ASME B30.9 gyinapɛn ahorow hyia, a ɛwɔ kɔla-coded tumi agyiraehyɛde a emu da hɔ ne adesoa-soa stitching. Yɛsan nso de rigging hardware —a shackles ne connectors ka ho —a wɔayɛ ama sling nkitahodi a ahobammɔ wom ma.

Sɛ wuhia mmoa a wode bɛpaw nkitahodi hardware a ɛfata ama wo lifting adwumayɛ —anaasɛ wuhia mmoa a wode bɛkyerɛ ɔkwan a ɛfata a wobɛfa so atrɛw sling tenten mu —yɛsrɛ wo fa email kɔ sales@lishenflex.com , na yɛn mfiridwuma kuw no de mmoa bɛma mmiako mmiako.