Cov thoob hniav puas ua qhov txawv?
Yog tias koj nyob hauv kev lag luam ntawm kev tsim kho lossis khawb, koj yuav tau hnov txog lo lus "cov hniav thoob". Cov no yog cov hniav taw qhia hlau uas protrude los ntawm lub thoob txuas ntawm cov tshuab hnyav xws li excavators, loaders, thiab bulldozers. Lawv tsis yog ib qho kev kho kom zoo nkauj nkaus xwb - thoob cov hniav ua lub luag haujlwm tseem ceeb hauv kev ua kom muaj txiaj ntsig thiab txiaj ntsig ntawm cov tshuab uas lawv txuas nrog.
Cov hniav thoob yog dab tsi thiab lawv ua haujlwm li cas?
Lub thoob cov hniav yog me me, taw tes ntxig uas feem ntau yog ua los ntawm cov hlau lossis hlau. Lawv tau welded mus rau qhov txiav ntug ntawm lub thoob los yog ib qho excavator caj npab kom muab lub tshuab ua kom lub ntsej muag, uas yog qhov tseem ceeb thaum tsiv cov khoom xws li av, xuab zeb, lossis pob zeb. Cov hniav feem ntau tuaj ntawm ntau qhov sib txawv thiab cov duab los ua cov haujlwm tshwj xeeb xws li ripping, khawb, lossis muab qhab nia.
Thaum lub thoob cov hniav ntsib qhov chaw uas nyuaj heev rau nws khawb rau hauv, nws tuaj yeem thaws tawm ntawm qhov chaw. Qhov no tsis yog tsuas yog siv tsis tau xwb tab sis kuj tuaj yeem ua rau kev puas tsuaj rau cov tshuab. Txawm li cas los xij, thaum lub thoob cov hniav muaj qhov taw qhia thiab tiv taus ntug, lawv tuaj yeem nkag mus rau saum npoo yam tsis muaj bouncing, ua rau cov txheej txheem ntau dua thiab smoother.
Cov txiaj ntsig ntawm kev siv thoob cov hniav yog dab tsi?
Txhim kho qhov muaj peev xwm khawb: Raws li tau hais ua ntej, cov hniav thoob muab lub ntsej muag ntse uas tuaj yeem nkag mus rau qhov tawv tawv nrog me ntsis tsis kam. Qhov no txhais tau hais tias cov txheej txheem khawb yog ntau smoother thiab sai dua.
Lub tshuab ua haujlwm zoo dua: Kev ua haujlwm ntawm cov tshuab hnyav tuaj yeem txhim kho tau zoo los ntawm kev siv thoob cov hniav. Vim tias cov hniav tom rau hauv cov khoom siv, cov roj tsawg yog xav tau los ua lub zog rau lub tshuab.
Cov nqi khiav lag luam qis: Vim tias lub tshuab ua haujlwm tau zoo dua qub thiab txo qhov xav tau ntawm kev siv roj, cov nqi ua haujlwm tau qis dua. Nyob rau lub sijhawm ntev, qhov no tuaj yeem txuag cov neeg siv nyiaj ntau.
Txo kev hnav thiab tsim kua muag: Thaum siv cov thoob cov hniav, hnav thiab tsim kua muag ntawm cov tshuab raug txo, txo qhov kev xav tau ntawm kev tu thiab kho.
Dab tsi yog hom thoob hniav?
Muaj ntau ntau hom thoob hniav, txhua tus tsim los rau ib txoj haujlwm tshwj xeeb. Hauv qab no yog qee yam ntawm ntau hom:
Standard los yog general-purpose thoob cov hniav: Cov no yog cov feem ntau siv hom thoob cov hniav. Lawv tau tsim los khawb los ntawm cov ntaub ntawv mos mus rau nruab nrab-nyuaj thiab tsim nyog rau kev khawb av dav dav.
Pob zeb thoob cov hniav: Raws li lub npe qhia, cov hniav no yog tsim los ua hauj lwm nrog cov tawv thiab abrasive nto xws li pob zeb, thiab feem ntau yog siv nyob rau hauv mining thiab excavation ua hauj lwm.
Chisel thoob cov hniav: Chisel cov hniav yog tsim tshwj xeeb rau ripping thiab tawg tawv, tawv tawv. Lawv muaj lub hauv paus dav dua thiab flatter, uas ua rau lawv muaj thaj tsam ntau dua rau kev siv dag zog.
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Koj yuav saib xyuas cov hniav thoob li cas?
Txhawm rau ua kom lub neej zoo tshaj plaws ntawm cov hniav, kev tu kom zoo yog qhov tseem ceeb. Nov yog qee cov lus qhia rau kev saib xyuas cov hniav thoob:
Tshawb xyuas cov hniav tsis tu ncua rau kev hnav thiab kev puas tsuaj - Yog tias cov hniav tsis hloov thaum nws hnav, nws tuaj yeem ua rau lub tshuab puas tsuaj, uas yuav ua rau muaj kev xav tau kev kho mob kim heev.
Xaiv cov hniav zoo - Xaiv cov hniav zoo rau txoj haujlwm yog qhov tseem ceeb. Kev siv cov hniav tsis raug tuaj yeem txo qhov ua tau zoo thiab ua rau kom hnav thiab tsim kua muag.
Khaws cov hniav kom huv - Cov hniav huv si ua haujlwm zoo dua thiab kav ntev dua. Tom qab siv, tshem tawm tej yam khoom uas muaj nyob rau ntawm cov hniav.
Xaus
Cov hniav thoob yuav zoo li ib feem me me ntawm cov tshuab hnyav, tab sis lawv ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm cov tshuab thiab kev ua tiav tag nrho ntawm qhov project. Kev nkag siab txog ntau hom thoob cov hniav, lawv cov kev siv, thiab cov txheej txheem tu kom zoo tuaj yeem mus ntev hauv kev ua kom muaj txiaj ntsig zoo ntawm cov tshuab. Yog li, los teb cov lus nug "ua thoob cov hniav ua qhov txawv"? Lo lus teb yog ib qho unequivocal "yog".