Hauv qab-tus-nuv nqa cov khoom siv yog qhov tseem ceeb ntawm ntau cov khoom siv ua haujlwm. Ib qho hauv qab-tus-nuv tsim khoom yog txhua lub cuab tam tsim los txuas rau cov kev thauj khoom rau crane lossis ho ruaj khov kom nws tau nqa thiab hloov chaw nyab xeeb. Lawv feem ntau yog siv los nqa thiab nqa loads uas nyuaj los daws cov hlua hlau tsoos, saw, lossis hluavtaws slings.
Hauv qab-tus-nuv nqa li muaj xws li cov hlau nplaum, rub tawm cov nqaj, pob zeb, lub tsev nqus tsev nqa khoom, thiab lwm yam khoom siv tshwj xeeb. Nws tseem muaj zog nrhiav cov khoom siv kev cai uas tsim tau rau cov ntawv thov tshwj xeeb. Cov hauv qab no hauv qab-tus-nuv cov khoom siv tau tsim kom haum cov ntaub ntawv tshwj xeeb lossis cov khoom siv los ua kev khiav haujlwm nyab xeeb dua thiab muaj txiaj ntsig.
Vim li cas siv cov khoom siv hauv qab no?
Muaj ob pab nyiaj tseem ceeb rau kev siv cov khoom nqa hauv qab no: Kev Nyab Xeeb Lifting ntaus: kev nyab xeeb thiab kev ua tau zoo. Hauv qab-cov-nuv khoom siv tau Lifting thauj khoom nyab xeeb los ntawm kev tuav lub nra hauv txoj kev muaj kev nyab xeeb tshaj plaws tau. Cov cuab yeej siv no tau xaiv raws li cov cai ntawm cov khoom lag luam tshwj xeeb lossis cov hom khoom thauj khoom rau ib daim ntawv thov. Lawv raug siv rau cov haujlwm tshwj xeeb, yog li lawv tau tsim los muab cov qib siab ntawm kev tswj tau dhau ntawm lub nra, uas tso cai rau cov neeg ua haujlwm los lis cov thauj khoom muaj kev nyab xeeb ntau.
Thaum nqa lub nra nrog lub cim pwm, loj, lossis nruab nrab ntawm kev nqus, nws tuaj yeem nyuaj rau kev nyab xeeb lub nra, uas tuaj yeem txav lossis poob qis poob nthav. Yog tias sling tsis muaj kev nyab xeeb, lub thauj khoom tuaj yeem hloov chaw, ua rau tsis muaj kev phom sij uas muab cov neeg ua haujlwm muaj kev pheej hmoo lossis kev puas tsuaj. Hauv qab-cov khoom siv nuv tau tuaj yeem hloov lossis ntxiv cov kev ua yeeb yam rau cov tsis muaj kev cuam tshuam los tshem tawm cov sijhawm uas lub nra yuav plam. Vim tias hauv qab-cov khoom siv nuv tau raug xaiv rau cov haujlwm hauv kev nqa cov haujlwm, lub nra yeej ruaj ntseg thiab muaj kev nyab xeeb, thiab cov khoom siv muaj kev tiv thaiv.
Tsis tas li ntawd, cov khoom thauj tsis muaj peev xwm siv sijhawm ntev dua rau kev nyab xeeb. Cov khoom siv tsis zoo lossis cov khoom ruaj khov yuav tsum tau ua tib zoo saib xyuas thaum nqa nrog cov nplais. Tej zaum nws yuav nyuaj rau nrhiav tau qhov chaw uas slings tuaj yeem txuas nrog ib lub nra, uas tuaj yeem ua haujlwm qeeb. Nws tseem tuaj yeem siv sijhawm ntev dua txav lub nra vim tias tus neeg teb xov tooj yuav tsum txav qeeb qeeb kom tsis txhob txav lub nra. Hauv qab-tus-nuv cov khoom siv txo lub sijhawm caij rigging vim tias lawv cov qauv tshwj xeeb txhais tau tias koj tsis tas yuav siv sijhawm los nrhiav cov tshuaj zoo nkauj tshaj plaws. Koj tuaj yeem txhim kho efficiency los ntawm kev txuas sai rau lub thauj mus rau hauv txoj kev nyab xeeb, feem ntau muaj peev xwm ua tau.
Cov khoom siv tshwj xeeb nqa tuaj yeem pab tiv thaiv kev puas tsuaj rau nqa cov khoom siv. Piv txwv li, cov ntaub ntawv ntawm cov khoom siv feem ntau yuav tsum muaj cov khoom tiv thaiv los tiv thaiv cov pob zeb ntse los ntawm kev ua phem ib txwm muaj. Txawm hais tias muaj kev tiv thaiv, cov ces kaum ntse muaj lub peev xwm deform ib sling mus tas li. Daim ntawv teev tes siv rau hauv cov ntaub ntawv mus rau lob cov ntawv ntawm cov khoom siv los ntawm cov npoo, kom lub nra, thiab koj cov lus nqa tawm los ntawm kev puas tsuaj. Lwm hom hauv qab-tus-nuv cov khoom siv, xws li cov twj siv hluav taws xob, lub tsev nqus tsev nqa, thiab ntau dua, muab kev tiv thaiv zoo ib yam rau ntau lwm yam khoom siv.
Tsis yog txhua daim ntawv thov yuav tsum muaj qis dua-tom qab-nqa ib zaug, tab sis koj tuaj yeem nrhiav lub cuab yeej tsim nyog rau yuav luag txhua txoj haujlwm. Kauj hooks, griping nqa tes, nqa thiab kis cov kab teeb, thiab lwm cov khoom siv tuaj yeem siv rau ntau txoj haujlwm nqa tshwj xeeb. Ntau lub tuam txhab kuj muab cov khoom siv tsim qauv rau cov ntawv thov uas tsis haum ntau cov qauv tsim qauv.
Hauv qab-tus neeg nqa khoom yog txoj hauv kev zoo los txhim kho kev ua haujlwm thaum siv cov ntawv thov kom tsim nyog. Yog tias koj xav tias koj daim ntawv thov yuav tau txais txiaj ntsig los ntawm kev siv cov khoom siv hauv qab-tus nuv, ntau cov neeg muab khoom sib tsoo tuaj yeem pab koj nrhiav cov cuab yeej xis rau ib txoj haujlwm twg. Koj tseem tuaj yeem sab laj hais tias yog cov qauv kev nyab xeeb, kev tshuaj xyuas, kev saib xyuas, thiab cov ntaub ntawv ua haujlwm ntsig txog cov khoom noj hauv qab no.
