Dab tsi yog ib Jack?
Jack yog ib qho yooj yim thiab muaj zog siv tshuab uas yog siv los nqa thiab txhawb nqa cov khoom hnyav, tshwj xeeb rau kev nqa tsheb. Nws siv cov hauv paus ntsiab lus hydraulic los tsim kev quab yuam. Lub "kilo" nyob rau hauv nws lub npe yog hais txog nws load-bearing muaj peev xwm, uas feem ntau qhia nyob rau hauv tons (1 tuj yog li 1000 kg). Lub Nkaus muaj lub hauv paus, hydraulic system thiab Lifting pas nrig, thiab manually ua pas dej ua ke, tus neeg siv khoom tau yooj yim nqa lossis qis dua rau qhov siab xav tau. Raws li cov cuab yeej siv dav siv, NKAUS yog siv rau hauv cov tuam txhab, cov mines, tsheb thauj mus los thiab lwm chav mus saib lub tsheb kho tsheb thiab lwm yam kev nqa tsheb, txhawb nqa thiab lwm yam haujlwm.
Cov tswv yim ntxov tshaj plaws tau ua raws cov ntsia hlau mechanism, tswj ncaj qha los ntawm tib neeg txhais tes, thiab nqa cov khoom hnyav los ntawm kev siv Manpower thiab txoj kev ntawm Lifting pas nrig. Tom qab ntawd, nrog kev txhim kho cov cuab yeej hydraulic, hydraulic jacks tuaj rau hauv ua. Jacks Jacks ua tiav cov zog ua kom nrov los ntawm kev sib kis kua, uas zoo heev txhim kho cov kabmob muaj peev xwm thiab ruaj khov ntawm jacks. Niaj hnub no, hydraulic jacks tau dhau los ua ib qho ntawm feem ntau thiab cov cuab yeej tsheb tseem ceeb.
Lub luag haujlwm ntawm Jack nyob rau hauv daim teb ntawm kev kho pib
Hauv kev saib xyuas tsheb, Jack ua lub luag haujlwm tseem ceeb. Cov cuab yeej siv tau los nqa lub tsheb, ua kom yooj yim rau cov neeg ua haujlwm saib xyuas kev lag luam nkag mus rau hauv qab ntawm lub tsheb rau kev kuaj xyuas thiab txij nkawm. Seb nws hloov cov log tsheb, kev kho cov nqi hloov kho lossis hloov cov kav dej, jacks ua si lub luag haujlwm tseem ceeb hauv cov haujlwm no. Ib qho ntxiv, thaum muaj xwm ceev, ob lub Nkuaj kuj tseem pab tau cov neeg dim cov tub rog.
Jacks Jacks feem ntau yog siv los nqa cov tsheb hnyav, thiab lawv ua haujlwm los ntawm kev siv kua dej ua kua kom tsim kev dag zog. Scissor Jacks feem ntau tau nruab rau cov tsheb siv rau kev hloov tsheb thauj khoom muaj xwm txheej ceev thiab ua haujlwm los ntawm tig lub crank. Lub raj mis jacks yog compact thiab haib, zoo tagnrho rau kev nqa khoom hnyav.
Tsis hais hom, ib lub Nkuaj yog qhov cuab yeej tseem ceeb rau kev siv tshuab thiab cov kws tshaj lij kom tau txais tsheb, kev ua haujlwm nres, thiab ua ntau yam kev kho. Kev siv thiab saib xyuas kom raug thiab kho koj Jack yog qhov tseem ceeb los ua kom muaj kev nyab xeeb thiab txuag lub tsheb kho tsheb.
Lub Sijhawm Post: Mar-19-2024