Kov yeej lub sijhawm tsis ua haujlwm: Kev daws teeb meem ntawm cov saw hlau thiab kev tswj hwm Longwall Conveyor Maintenance

Rau kev ua haujlwm ntawm phab ntsa ntev, lub sijhawm tsis ua haujlwm ntawm lub tshuab xa khoom tsis tau xav txog yog tus yeeb ncuab ntawm kev tsim khoom. Txawm hais tias kev ua tsis tiav tuaj yeem zoo li sai sai, lawv feem ntau yog los ntawm cov teeb meem kho tshuab uas tiv thaiv tau. Ob qho tseem ceeb tshaj plaws uas yuav tsum tau tsom mus rau yog qhov teeb meem tas li ntawm cov saw hlau "knuckling" thiab kev xyaum ua kom zoo ntawm kev saib xyuas cov saw hlau. Kev nkag siab thiab kev daws cov no tuaj yeem txhim kho koj lub tshuab xa khoom txoj kev ntseeg tau thiab lub neej ntev.

Qhov teeb meem ntawm Saw "Knuckling"

Ib qho kev ua tsis tiav tshwj xeeb thiab ua rau puas tsuaj rau cov khoom siv conveyor ntev hu ua "knuckling." Qhov no tshwm sim thaum lub voj voog ntawm cov saw hlau conveyor tig ntsug, sawv ntsug ntawm 90° mus rau nws lub dav hlau kab rov tav ib txwm muaj. Thaum nyob hauv qhov chaw ntsug no, lub txuas tuaj yeem poob ncaj qha rau ntawm lub dav hlau ya (scraper). Qhov no ua rau lub txuas sib txuas rau lub cev ntawm lub dav hlau ya, tiv thaiv nws kom tsis txhob tig rov qab mus rau nws qhov kev taw qhia thiab ua rau lub kaw lus kaw tag nrho.

Qhov tshwm sim yog qhov nres tam sim ntawd, uas ua rau muaj kev puas tsuaj loj heev rau cov saw hlau, cov pas nrig, thiab cov sprockets. Kev daws qhov teeb meem no yuav tsum tau siv tes ua ntau yam, ua rau lub sijhawm tsis ua haujlwm kim heev.

Kev Dais Teeb Meem Txog Kev Tsim Kho: Cov Ntxig Tiv Thaiv Knuckle

Qhov kev daws teeb meem no yog kev tsim qauv yooj yim tab sis ruaj khov: lub ntxig tiv thaiv pob qij txha. Raws li tau piav qhia hauv cov ntawv pov thawj kev lag luam mining, lub cuab yeej no yog lub ntxig polymer tsim tshwj xeeb kom haum rau hauv qhov chaw qhib nruab nrab ntawm cov saw hlau.

Ua los ntawm cov thermoplastic uas ruaj khov thiab ruaj khov, daim ntxig no tau ntsuas kom dav dua qhov siab sab hauv ntawm qhov txuas me ntsis. Thaum lub sijhawm teeb tsa, nws raug nias thiab ntxig rau ntawm cov sab sib luag ntawm qhov txuas. Thaum nyob hauv qhov chaw, nws rov qab mus rau nws cov duab qub, xauv nws tus kheej kom ruaj ntseg nyob ib puag ncig phab ntsa sab hauv ntawm qhov txuas. Rau kev ruaj ntseg ntxiv, feem ntau muaj tus pin xauv los ntawm daim ntxig kom tiv thaiv nws kom tsis txhob vau thaum muaj kev thauj khoom hnyav.

Thaum sau qhov chaw hauv qhov txuas, qhov ntxig yuav tiv thaiv kom txoj saw tsis txhob tig mus rau hauv qhov chaw "knuckle", yog li tshem tawm qhov ua rau muaj kev sib tsoo.

Kev Txij Nkawm Tiv Thaiv Kab Mob: Koj Txoj Kev Tiv Thaiv Thawj Zaug

Txawm hais tias cov kev daws teeb meem zoo li cov ntxig tiv thaiv pob qij txha daws teeb meem qee qhov kev ua tsis tiav, kev saib xyuas kom zoo yog lub hauv paus ntawm kev noj qab haus huv ntawm lub tshuab nqa khoom ntev. Kev tshawb fawb hauv kev lag luam tau qhia tias feem pua ​​​​​​ntawm lub sijhawm tsis ua haujlwm ntawm lub tshuab nqa khoom ntev - suav txog 27% ntawm cov chaw tsuas hauv ib qho kev tshawb fawb loj - yog cuam tshuam nrog kev ua tsis tiav ntawm cov saw hlau, nrog rau kev nruj tsis raug yog qhov ua rau muaj kev puas tsuaj loj tshaj plaws.

Nov yog cov hauv paus tseem ceeb ntawm txoj kev npaj kho kom zoo:

1. Master Chain Tension thiab Slack

Qhov kev nruj ntawm cov saw hlau yog qhov tseem ceeb tshaj plaws rau kev saib xyuas. Kev nruj dhau yog qhov ua rau puas tsuaj, ua rau cov saw hlau sib sau ua ke, dhia cov sprockets, thiab derail. Ntawm qhov tod tes, cov saw hlau nruj dhau ua rau kev sib txuas ntawm cov txuas thiab kev puas tsuaj ntawm sprocket sai dua. Lub hom phiaj yog kom tswj tau qhov kev nruj ua ntej uas tiv thaiv kev nruj thaum muaj kev thauj khoom yam tsis tsim kev nruj ntau dhau. Ntsuas thiab kho qhov nruj tsis tu ncua siv lub ntsuas kev nruj, thiab tshem tawm cov saw hlau nruj me me, tswj tau (piv txwv li, ob qhov txuas ib zaug).

2. Saib xyuas thiab ntsuas qhov ntev ntawm cov saw hlau

Cov saw hlau tsis "ncab" tiag tiag; nws ntev vim yog kev sib txuas ntawm cov chaw sib cuag. Kev saib xyuas qhov ntev no yog ib txoj hauv kev ncaj qha los ntsuas kev noj qab haus huv ntawm cov saw hlau thiab lub neej seem. Siv lub caliper ntawm cov saw hlau los ntsuas qhov ntev ntawm lub suab teeb tsa tas li. Raws li cov lus qhia dav dav, cov saw hlau yuav raug txiav txim siab hloov thaum qhov ntev tshaj 3%, txawm hais tias ntau qhov kev ua haujlwm teeb tsa qhov txwv tsis pub dhau 2%.

3. Ua kom muaj kev tshuaj xyuas zoo

Kev tshuaj xyuas lub cev thiab lub cev raws sijhawm yuav ntes tau cov teeb meem me me ua ntej lawv loj zuj zus. Koj daim ntawv teev npe yuav tsum muaj xws li:

- Sprockets: Xyuas seb puas muaj cov hniav puas tawg, tawg, lossis txiav. Cov sprockets uas puas lawm ua rau cov saw hlau puas sai dua thiab tuaj yeem ua rau tsis sib haum.

- Kev Sib Tho: Xyuas kom tseeb tias cov sprockets, cov lauj kaub conveyor, thiab tag nrho cov kab ntsej muag tau sib dhos kom raug. Cov kab ntsej muag tsis zoo ua rau muaj kev sib txhuam tsis sib xws thiab kev hnav sib txawv ntawm cov xov saw.

- Kev Sib Txuas & Cov Qauv: Nias tag nrho cov txiv ntoo thiab cov hlua khi uas xoob, thiab hloov cov ntsia hlau txuas lauj kaub uas ploj lawm. Tshawb xyuas seb puas muaj cov lauj kaub puas lossis cov hlua khi uas yuav ua rau txoj saw hlau tsis raug.

4. Siv Txoj Cai Hloov Chaw Ua Ntej

Tsis txhob khiav cov khoom kom puas tsuaj. Tsim kom muaj cov qauv meej, raws li cov ntaub ntawv rau kev hloov cov saw hlau thiab cov sprockets raws li kev ntsuas qhov ntev thiab kev hnav ntawm sprocket. Kev khiav cov saw hlau uas hnav ntau heev nrog cov sprockets tshiab (lossis rov qab) ua rau muaj kev puas tsuaj sai thiab nrawm rau ob qho tib si.


Lub sijhawm tshaj tawm: Lub Ob Hlis-10-2026

Tawm Koj Cov Lus:

Sau koj cov lus ntawm no thiab xa tuaj rau peb