Choke Hitch Configuration ah Flat Sling hi ka hmang thei ang em?

Rigging crew chuan cylindrical load—steel pipe, concrete column, a nih loh leh rebar bundle—a chawi a ngai a ni. Chumi flat sling  an rack atanga an man chu a sei zawng leh a capacity dik tak a ni. Mahse load hian attachment point mumal tak a nei lo. Rigger chuan sling chu load chu a khuh a, mit pakhat chu mit dang hmangin a pass a, a cinch nghet hle. Hei hi choke hitch a ni—rigging solution tha tak a ni thei a, mahse a dik taka tih a nih chauhvin.

 

Lishenflex hian  kum sawmhnih chuang zet chu synthetic flat slings a siam tawh a, kan field experience atanga a lan dan chuan choke hitches hi sling configuration hman dik loh tam ber zinga mi a ni. Choke hitch hi a awlsam hmel hle a, mahse a hman dan him chu capacity hriatthiamnaah a innghat a ni . reduction, choke angle dik tak, leh sling condition  EN 1492-1-compliant sling siamtute industry data-in a tarlan dan chuan  choke hitch capacity factor chu 0.8 a ni—chu chu vertical lift-a ton 1-a rit sling-in choke hitch-ah kg 800 chauh him takin a phur thei tihna a ni

 

Choke Hitch hi eng nge ni?

Choke hitch chu rigging configuration a ni a, sling chu load-ah a inkhuh a, sling tawp khat chu mit dang emaw fitting emaw kaltlangin a kal tlang a ni. Chumi hnuah chuan load chu an chawi a, chu chuan sling chu load vel chu a tikhauh ta a ni. Hei hian cinching effect a siam a  , chu chuan load chu a secure a , slippage a veng bawk .

 

sawifiah angin OSHA’s Guidance on Safe Sling Use -a , choker hitch hi load, straight vertical lift hmanga balance emaw secure harsa tak takte tan a tha hle. Choker hitch hian load chu a chhehvel a tikhauh a, a vawng tha hle. Mahse, OSHA chuan chiang takin a vaukhân a, choke hitch-ah chuan choke point chu sling taksaah chauh a awm tur a ni a, splice emaw fitting emaw-ah a awm ngai lo vang .

 

Rigging  Institute chuan  choke hitch hi primary sling hitch pathum zinga pakhat a nih thu a sawi a, vertical leh basket hitch te nen a inzawm a, load-in attachment point mumal a neih loh hunah hman a ni tlangpui

 

Choke Hitch ah hian Capacity tihhniam a ni

Choke hitch hmanna atana thil pawimawh ber chu capacity tihtlem hi a ni. Sling pakhata rated working load limit hi vertical straight pull-ah a sang ber a ni. Choke hitch-a hman a nih chuan a capacity chu nasa takin a tlahniam a ni.

 

a tarlan dan chuan OSHA Guidance on Safe Sling Use -in choke hitch-a sling pakhat tana rated load chu sling siamtuin a ruat a, choke angle a zirin a ni. OSHA chuan choke hitch capacity hi choke angle 120 degree emaw a aia tam emaw a nih phawt chuan hman theih a ni tih a sawi. Angle of choke degree 120 aia hniam tan chuan sling siamtute rawtna angin rated load chu tihhniam belh a ngai a ni

 

Capacity tehkhin chart (EN 1492-1 polyester flat sling atanga chhut):

 

Source: CEREX leh Mennens atanga EN 1492-1 capacity data atanga lak chhuah

 

Table-a kan hmuh angin EN 1492-1 hnuaiah hian choke hitch factor (KL) chu 0.8 a ni a, hei hian vertical hitch nena khaikhin chuan 20% zetin capacity a tlahniam a ni.

 

Engtikah nge Choke Hitch hi a remchan?

Choke hitch hi scenario bik ah chuan a dik a ni:

 

1.Attachment point ruat sa nei lo load —cylindrical load, pipe, rebar bundle, leh concrete column te

 

2.Loads him taka vawn ngai —lifting emaw rotation emaw laiin slippage venna

 

3.Single-leg lifts —basket hitch tih theih lohna hmunah

 

in a sawi angin Medeer Lifting choke hitch hi load him taka man nan a tangkai hle a mahse vertical hitch aiin a stable lo zawk a , hman dik loh chuan sling a tichhia thei a ni He configuration-ah hian choke hitch hmanna atana siam sling chauh hman tur a ni a, hman hma leh hman zawh apiangin sling chu a chhiat leh chhiat loh enfiah tur a ni.

 

Thil tih dan tha ber:  Choke hitch-ah chuan choke point chu sling taksaah dah tur a ni—mit, splice, leh fitting-ah dah ngai lo tur a ni . 0.8 capacity factor kimchang vawng reng turin choke angle chu 120° emaw a aia tam emaw a ni tur a ni.

 

Hriselna atana ngaihtuah tur pawimawh

Choke hitch hmang suh, hetiang hian:

 

● Sling hian choke tuar tur hmunah hian cut, abrasion, stitching damage a nei a

 

● Choke angle chu 120° aia tlem a nih chuan corresponding capacity reduction a awm lo

 

● Load hian a sir nalh tak tak a nei a, chu chuan sling fiber te chu a tikehsawm thei a (corner protector hmang rawh) .

 

● Sling chu a twist emaw, a kink emaw a ni—chu chuan stress point inang lo tak a siam a ni

 

● Sling-a identification tag chu a bo emaw, chhiar theih loh emaw a nih chuan—rated capacity chu i verify thei lo

 

OSHA chuan chiang takin a khap a ni:

 

● Knotted slings (knotting emaw twisting hmanga tih tawi emaw, sei emaw phal a ni lo) .

 

● Choke hitch-a sling hman, choke point chu splice emaw fitting emaw-ah dah

 

● Sling-a phurrit chawlhtir

 

● Bungrua chu sling chunga a nghah laiin load hnuai atanga sling lak chhuah

 

Lishenflex ’s lab testing chuan slings chhiatna tenau tak tak pawh nei—localized abrasion emaw edge cut ang chi—chu choke point-a concentrated force avang hian choke hitch configuration-ah accelerated wear an tawk tih a nemnghet. Hei vang hian ASME B30.9 angin pre-use leh inspection neih fo hi choke hitch-a hman sling-te tan chuan a pawimawh hle a ni.

 

Choke Hitch hman dan enfiah ngai

Choke hitch-a hman sling-te chu vertical lift-a hman chauh aiin enfiah tam zawk tur a ni. ASME B30.9  hian level thum enfiah a ngai a, chungte chu:

 

ASME B30.9 hnuaia key removal criteria : Choke hitch-a hman flat sling-te

 

● Load-bearing splice-a stitching chhe emaw, chhe tawh emaw

 

● Acid emaw caustic emaw kang

 

● Khua lumnain a tichhia tih finfiahna

 

● Core yarn-te pholang thei khur emaw, tear emaw—a bîk takin choke point-ah

 

● Abrasive wear lutuk

 

● Sling taksaah knot awm—OSHA hnuaiah chuan knotting khap a ni

 

● Chemical emaw UV emaw hmanga chhiatna lantir thei hmun rawng danglam emaw, brittle emaw

 

Thupui tawi leh Thurawn tangkai tak tak

Flat sling hi  choke hitch configuration-ah hman theih a ni a, mahse application chu fimkhur leh thiam takin a pan tur a ni.

 

Takeaway pawimawh tak tak:

 

1.Capacity tihtlem hi non-negotiable a ni —choke hitch hian EN 1492-1 hnuaiah WLL chu vertical capacity 80%-ah a tihhniam a ni

 

2.Choke angle a pawimawh —full 0.8 factor atan 120° emaw a aia tam emaw vawng reng tur; siamtu kaihhruaina angin angle te zawk tan capacity tihtlem

 

3.Splice emaw fitting emaw-ah choke ngai suh —choke point chu sling body-ah a awm tur a ni

 

4.Hman hma leh hman hnuah enfiah thin ang che —choke hitches concentrate stress; localized damage a awm leh awm loh enfiah rawh

 

5.Corner protector hmang rawh —loads a sir hrual nei tan

 

Lishenflex hian  polyester flat slings, mit tihchak leh color-coded capacity marking chiang tak nei, EN 1492-1 leh ASME B30.9 standard nena inmil a siam a ni. Kan thil siamte hi hitch configuration zawng zawngah test a ni a, choke hitch pawh a tel a, rigging practice him tak takte thlawp turin inspection training kan pe bawk.

 

Tuna i flat slings te hi choke hitch application atan a tha em tih hriat theihna tura tanpuina i mamawh a nih chuan—a nih loh leh i specific lift geometry atana capacity calculation chungchanga kaihhruaina i mamawh a nih chuan—khawngaihin email thawn rawh sales@lishenflex.com , leh kan technical team te chuan mi pakhatin min pui dawn a ni.