1. Ua ntej siv lub sling tshiab, xyuas nws daim ntawv pov thawj thiab kuaj lub hoisting kom paub meej tias muaj kev nyab xeeb.
2. Thaum lub sijhawm ua haujlwm, qhov taw tes nqa yuav tsum tau lees paub raws li qhov hnyav, ntim thiab cov duab ntawm cov khoom dai thiab cov hlua uas tsim nyog yuav tsum tau xaiv.
3. Thaum siv lub nplhaib snap, nws yog nruj me ntsis txwv tsis pub kom nruj lub nplhaib clamp tom qab, thiab nws yuav tsum tau xyuas seb tus pin kaw yog nruj ua ntej nqa. Tsis txhob siv cov khoom tawg los yog deformed snap rings. Nws yog nruj me ntsis txwv tsis pub kho lub nplhaib snap los ntawm txoj kev kho vuam.
4. Cov hlua hlau yuav tsum tsis txhob siv txuas ntxiv rau hauv ib qho ntawm cov xwm txheej hauv qab no: 1) Txoj kab uas hla ntawm txoj hlua hlau yuav tsum raug txo los ntawm 7% ~ 10%. 2) Tus naj npawb ntawm cov filaments tawg nyob rau hauv ib lub suab tshaj 10% ntawm tag nrho cov xov tooj ntawm filaments.
5. Cov saw hlau yuav tsum tau muab pov tseg raws li ib qho ntawm cov xwm txheej hauv qab no: 1) Kev tawg; 2) Yas deformation, elongation mus txog 5% ntawm qhov qub ntev; 3) Txoj kab uas hla ntawm cov saw txuas yog hnav mus txog 10% ntawm tus thawj txoj kab uas hla.
6. Nws yog txwv tsis pub overload lub sling.
7. Cov hlua khi uas tsis muaj cim tsis raug tso cai siv yam tsis muaj kev lees paub.
8. Qhov sib xyaw ua ke ntawm cov hlua yuav tsum tau kuaj xyuas tsis tu ncua.
9. Txoj kev rauj yuav tsum tsis txhob siv los kho qhov distorted spreader.
10. txwv tsis pub muab pov tseg.
11. Tsis txhob rub lossis dov hauv qab cov khoom hnyav ntawm txoj hlua.
12. Thaum hoisting square thiab angular Cheebtsam, cov hlau tiv thaiv yuav tsum tau ntxiv, thiab cov hlua yuav tsum tsis txhob sib cuag nrog cov npoo thiab cov ces kaum ntawm cov khoom.
13. Kev ceev faj rau hoisting daim hlau; 1) Thaum hoisting steel daim hlau nrog thaj tsam ntawm ntau tshaj 6 square metres, steel phaj tsis siv, thiab nqa cov lugs yuav tsum tau welded. 2) Lub thickness ntawm lub phaj siv los ua lub lifting lug yuav tsum tsis txhob tsawg tshaj li 16 hli. 3) Lub phaj steel nrog lub hoisting ntev tshaj 6 meters yuav tsum tau hoisted nrog ib tug ca caj npab. 4) Thaum hoisting 2 los yog ntau dua daim hlau, cov khoom siv los yog cov cuab yeej tshwj xeeb yuav tsum tau siv.
14. Nws yog txwv tsis pub hoist ib leeg.
15. Thaum sib dhos thiab vuam, nws yog txwv tsis pub ua rau saum-hnyav.
16. Rau cov kav dej uas muaj txoj kab uas hla ntau dua 100 mm, nws yog txwv tsis pub thim rov qab ntau tshaj ob txheej, thiab tsis txhob siv lub cushion blocks rau hauv qab.
17. Thaum nqa cov khoom siv, cov khoom siv yog nruj me ntsis txwv tsis pub hla lub taub hau ntawm lwm tus neeg ua haujlwm.
18. Txoj siv nqa nqa tsuas yog siv tau thaum cov khoom xa tuaj rau hauv cov duab kos, thiab yuav tsum tsis txhob siv rau lwm qhov chaw.
