Tus nuv yog ib qho tseem ceeb ntawm cov kabmob nqa nqa ntawm lub tsheb-mounted crane. Txij li cov khoom hnyav feem ntau yog dai, nws yog ib qho yooj yim rau hnav, yog li nws kuj yog ib qho yooj yim tivthaiv. Yog li ntawd, tus neeg siv yuav tsum nco ntsoov xyuas cov xwm txheej siv ntawm tus nuv, thiab tshem tawm cov kev phom sij zais hauv lub paj. Lub voj voog tseem ceeb ntawm kev tshuaj xyuas tag nrho ntawm tus nuv yuav tsum tsis pub tshaj 1 xyoos. Yog tias ua tau, kev tshuaj xyuas cov khoom sib nqus tuaj yeem ua tau los xyuas seb lub ntsiab sib txuas puas tawg.
Thaum pom cov xwm txheej hauv qab no ntawm tus nuv tau pom hauv kev tshuaj xyuas, nws yuav tsum tau nres tam sim ntawd thiab muab pov tseg:
1.Tus nuv muaj ib lub voj qauv;
2.Qhov txaus ntshai seem ntawm tus nuv tau mus txog 10% ntawm qhov loj me;
3. Qhov qhib degree ntawm tus nuv yog qis dua li qhov qub. 15% nce hauv qhov loj;
4. Cov hlua siv tau raug twisted thiab deformed los ntawm ntau tshaj 10 degrees.
5. Cov seem txaus ntshai thiab lub caj dab ntawm tus nuv tau raug deformed yas;
6. Kev hnav ntawm lub wrench teeb tau mus txog 15% ntawm qhov loj me. Lub zos teeb yuav tsum tau qhia. 7. Thaum hnav lub mandrel ntawm tus ciaj ntswj tau mus txog 5% ntawm qhov loj me, yuav tsum tau tshaj tawm ib qho mandrel.
Tsis tas li ntawd, yog tias lub crane nuv tau pom tias muaj qhov tsis zoo, nws tsis tuaj yeem welded thiab yuav tsum tau muab pov tseg.
