(1)Qib 80 welded lifting sawWLL thiab cov ntsuas
Rooj 1: WLL nrog lub kaum sab xis ntawm 0 ° ~ 90 °
| Qhov txuas txoj kab uas hla (hli) | Max. WLL | ||
| Ib ceg xwb t | 2-ceg t | 3 los yog 4 ceg t | |
| 7.1 | 1.6 | 2.2 | 3.3 |
| 8.0 | 2.0 | 2.8 | 4.2 |
| 9.0 | 2.5 | 3.5 | 5.2 |
| 10.0 | 3.2 | 4.4 | 6.7 |
| 11.2 | 4.0 | 5.6 | 8.4 |
| 12.5 | 5.0 | 7.0 | 10.5 |
| 14.0 | 6.3 | 8.8 | 13.2 |
| 16.0 | 8.0 | 11.2 | 16.8 |
| 18.0 | 10.0 | 14.0 | 21.0 |
Rooj 2: WLL index
(2)saw hlauhom thiab ceg kaum sab xis
a. ib ceg saw hlau
b. 2-ceg saw hlau
c. 3-ceg saw hlau
d. 4-ceg saw hlau
(3) kev siv cov saw hlau txuas puag ncig
a. qhov hnyav thauj khoom yuav tsum sib npaug lossis tsawg dua li qhov siab tshaj plaws ntawm kev nqa cov saw hlau WLL.
b. Thaum siv ob ceg lossis ntau ceg saw hlau, lub kaum sab xis loj dua ntawm ob ceg sling, qhov hnyav tsawg dua nws tuaj yeem nqa; lub kaum sab xis ntawm ob ceg yuav tsum tsawg dua 120 ° hauv txhua qhov xwm txheej (piv txwv li, lub kaum sab xis ntawm ceg saw hlau nrog lub kaum sab xis ntsug yuav tsum tsawg dua 60 °).
c. thaum tsa lub choker hitch, lub nra yuav tsum tsawg dua 80% WLL.
d. Cov saw hlau nqa yuav tsum ncaj tsis muaj kev sib txhuam, kev sib txuas lossis kev khoov. Sim tsis txhob muab cov khoom hnyav dov rau ntawm cov saw hlau.
(1) kev tshuaj xyuas txhua hnub
a. Tus neeg tshuaj xyuas, zaus thiab cov ntaub ntawv
Tus neeg teb xov tooj lossis cov neeg ua haujlwm raug xaiv yuav tsum ua qhov kev tshuaj xyuas tsis tu ncua ntawm cov saw hlau nqa txhua hnub ua haujlwm, thiab yuav tsum muaj cov ntaub ntawv ntawm "daim ntawv tshuaj xyuas cov ntsiab lus txhua hnub ntawm cov sling" (saib Annex) ntawm qhov chaw, qhia tias cov sling tuaj yeem siv tau ib txwm.
b. Kev soj ntsuam pom
Saib seb puas muaj cov cim qhia tias puas muaj kev puas tsuaj loj, puas hloov pauv lossis puas tsuaj sab nraud. Yog tias pom muaj qhov tsis zoo hauv kev tshuaj xyuas, xyuas kom meej tias nws puas siv tau dua raws li txoj kev tshuaj xyuas ib txwm muaj.
(2) Kev tshuaj xyuas tsis tu ncua
a. Tus neeg tshuaj xyuas, zaus thiab cov ntaub ntawv
Cov neeg ua haujlwm uas tau raug xaiv yuav tsum ua qhov kev tshuaj xyuas kom meej ntawm cov saw hlau raws li cov cim qhia txog qhov tsis zoo uas tau hais los ntawm kev tshuaj xyuas tsis tu ncua, thiab sau cov ntaub ntawv los ntsuas seb cov saw hlau puas tseem siv tau.
b. Cov chaw kuaj xyuas
i) Seb cov cim sab nraud xws li cov cim saw hlau thiab qhov hnyav ua haujlwm kawg puas meej;
ii) Cov khoom sib txuas sab saud thiab sab qis (qhov txuas tseem ceeb, qhov txuas nruab nrab, cov khoom sib txuas thiab cov hooks) ntawm cov saw hlau nqa tau deformed, txiav thiab tawg, uas dhau qhov yuav tsum tau ua thiab tsis tuaj yeem siv;
iii) Kev puas tsuaj ntawm txoj saw hlau: txoj saw hlau yog ntswj, khoov thiab ntev, thiab tsis tuaj yeem siv thaum nws dhau qhov yuav tsum tau ua tus qauv;
iv) Kev hnav ntawm qhov txuas: qhov notch, notch, gouge thiab kev hnav ntawm qhov txuas ntawm sab nraud ntawm ntu ncaj tsis tuaj yeem siv thaum nws dhau qhov yuav tsum tau ua tus qauv;
v) Kev hloov pauv ntawm tus nuv: qhov "qhib" kev hloov pauv thiab kev cuam tshuam ntawm qhov qhib ntawm tus nuv tshaj qhov yuav tsum tau ua thiab tsis tuaj yeem siv;
vi) Cov kab nrib pleb: cov kab nrib pleb uas tau ua pov thawj los ntawm kev soj ntsuam pom lossis NDT tsis tuaj yeem siv.
a. kev hloov pauv:
kev nthuav dav ntawm sab nraud> 3%
sab hauv ntev elongation> 5%
b. hnav:
Qhov txoj kab uas hla ntawm qhov txuas tom qab hnav yuav tsum tsis pub tsawg dua 10% (piv txwv li, txoj kab uas hla < 90% ntawm qhov nominal)
c. tawg:
Tsis pub muaj qhov tawg ntawm qhov chaw ntawm cov saw hlau los ntawm kev tshuaj xyuas pom lossis kev tshuaj xyuas cov khoom siv.
d. khoov lossis cuam tshuam:
Tsis pub muaj kev khoov lossis kev cuam tshuam pom tseeb, kev xeb loj lossis kev txuas uas tsis tuaj yeem tshem tawm tau rau qhov txuas saw.
(2) tus nuv
a. Qhov qhib ntawm lub qhov (hook): qhov nce ntawm qhov qhib ntawm lub qhov (hook) yuav tsum tsis pub tshaj 10% ntawm tus nqi nominal.
b. Kev hnav ntawm qhov seem uas muaj kev ntxhov siab (txaus ntshai): qhov tuab ntawm qhov seem ntawm qhov chaw hnav yuav tsum tsis txhob txo ntau tshaj 5%
c. Kev sib hloov pauv: qhov kev sib hloov pauv ntawm lub cev nuv ntses yuav tsum tsis pub tshaj 5%.
d. Cov kab nrib pleb: cov kab nrib pleb tsis pub rau ntawm tag nrho qhov chaw nuv ntses los ntawm kev tshuaj xyuas pom lossis kev tshuaj xyuas khoom siv.
e. Cov qhov thiab cov qhov gouge: lawv tuaj yeem kho tau los ntawm kev sib tsoo lossis kev ua ntawv. Qhov chaw kho thiab cov chaw nyob ib sab yuav tsum hloov pauv zoo yam tsis muaj kev hloov pauv sai sai hauv seem. Qhov tuab ntawm seem polished yuav tsum tsis txhob txo ntau tshaj 5%.
(3) qhov txuas tseem ceeb
a. Kev cuam tshuam: qhov kev cuam tshuam ntawm tag nrho cov txuas tswv yuav tsum tsis pub tshaj 5%.
b. Hnav: qhov hnav ntawm qhov txuas ntawm tus tswv yuav tsum tsis pub tshaj 10% ntawm lub cheeb thawj
c. Cov kab nrib pleb: tsis pub muaj kab nrib pleb rau ntawm tag nrho qhov chaw txuas ntawm tus tswv los ntawm kev tshuaj xyuas pom lossis kev tshuaj xyuas cov khoom siv.
(4) cov hlua khi thiab lwm yam khoom siv
a. Qhov qhib: qhov loj ntawm qhov qhib ntawm lub shackle tshaj 10% ntawm tus nqi qub.
b. Hnav: lub cheeb ntawm lub pin lossis tus pin ncej hnav ntau dua 10% ntawm lub cheeb thawj; qhov hnav ntawm qhov seem ntxhov siab (txaus ntshai) yog ntau dua 5%
c. Tawg: tsis pub muaj qhov tawg rau ntawm tag nrho cov khoom siv los ntawm kev tshuaj xyuas pom lossis kev tshuaj xyuas cov khoom siv.
(1) Cov txuas saw hlau ib txwm muaj
(2) Tus nuv uas tsis zoo li qub (raug muab pov tseg)
(3) Kev hloov pauv, kev hnav thiab kev tawg ntawm cov saw hlau (scrapping)
(4) Kev hnav hauv zos ntawm qhov chaw ntawm cov saw hlau (tuaj yeem kho tau)
(5) Cov saw hlau txuas me ntsis hnav thiab deformed (nws tuaj yeem txuas ntxiv siv tau)
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-17-2021
