{"id":2154,"date":"2025-03-02T16:36:56","date_gmt":"2025-03-02T08:36:56","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2154"},"modified":"2025-03-06T23:04:38","modified_gmt":"2025-03-06T15:04:38","slug":"coal-mine-explosion-proof-inspection-standards","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/sk\/explosion-proof-equipment\/coal-mine-explosion-proof-inspection-standards\/","title":{"rendered":"Normy kontroly odolnosti proti v\u00fdbuchu v uho\u013en\u00fdch baniach"},"content":{"rendered":"

Normy pre in\u0161pekcie v uho\u013en\u00fdch baniach odoln\u00fdch proti v\u00fdbuchu<\/strong><\/strong><\/h1>\n\n\n\n

I. V\u0161eobecn\u00e9 ustanovenia:<\/strong><\/strong><\/h2>\n\n\n\n

    1. S cie\u013eom \u010falej uplat\u0148ova\u0165 \u201cBezpe\u010dnostn\u00e9 predpisy uho\u013en\u00fdch ban\u00ed\u201d a normy a predpisy o nev\u00fdbu\u0161nej elektrotechnike, zlep\u0161i\u0165 znalosti elektromechanikov o fungovan\u00ed nev\u00fdbu\u0161nej elektrotechniky a u\u013eah\u010di\u0165 zvl\u00e1dnutie pou\u017e\u00edvania noriem v praxi, aby sa posilnilo vedeck\u00e9 riadenie nev\u00fdbu\u0161nej elektrotechniky v podzemn\u00fdch uho\u013en\u00fdch baniach, zlep\u0161ila kvalita \u00fadr\u017eby, odstr\u00e1nila porucha elektrotechniky a realizovala bezpe\u010dn\u00e1 prev\u00e1dzka elektrick\u00fdch zariaden\u00ed, sa formuluj\u00fa \u201cPravidl\u00e1\u201d.<\/p>\n\n\n\n

    2. V\u0161etky podzemn\u00e9 elektrick\u00e9 zariadenia (vr\u00e1tane mal\u00fdch elektrick\u00fdch zariaden\u00ed) musia by\u0165 vybran\u00e9 v s\u00falade s po\u017eiadavkami \u010dl\u00e1nkov 444 a 7 predpisov o bezpe\u010dnosti uho\u013en\u00fdch ban\u00ed.<\/p>\n\n\n\n

    3. In\u0161pektori na pln\u00fd \u00fav\u00e4zok musia by\u0165 vy\u0161kolen\u00ed a presk\u00fa\u0161an\u00ed vy\u0161\u0161\u00edmi org\u00e1nmi a musia z\u00edska\u0165 osved\u010denie o sp\u00f4sobilosti. In\u0161pektori odolnosti proti v\u00fdbuchu na \u010diasto\u010dn\u00fd \u00fav\u00e4zok musia absolvova\u0165 \u0161kolenie a sk\u00fa\u0161ku na \u00farovni ban\u00ed a z\u00edska\u0165 osved\u010denie o sp\u00f4sobilosti.<\/p>\n\n\n\n

    4. Nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 zariadenie mus\u00ed by\u0165 pred vstupom do vrtu skontrolovan\u00e9 in\u0161pektormi nev\u00fdbu\u0161nosti na pln\u00fd \u00fav\u00e4zok, aby sa zistila jeho \u201ccertifik\u00e1cia v\u00fdrobku\u201d, \u201ccertifik\u00e1cia nev\u00fdbu\u0161nosti\u201d, \u201cbezpe\u010dnostn\u00e1 zna\u010dka bansk\u00e9ho v\u00fdrobku\u201d a bezpe\u010dnostn\u00e9 parametre; a\u017e po \u00faspe\u0161nej kontrole a vydan\u00ed osved\u010denia o zhode bude m\u00f4c\u0165 vst\u00fapi\u0165 do vrtu. Po \u00faspe\u0161nom absolvovan\u00ed kontroly a vydan\u00ed osved\u010denia o zhode sa zariadeniu umo\u017en\u00ed vstup do vrtu. Nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 v\u00fdrobky ur\u010den\u00e9 na priemyseln\u00fa sk\u00fa\u0161obn\u00fa prev\u00e1dzku musia ma\u0165 \u201cpovolenie na priemyseln\u00fa sk\u00fa\u0161ku\u201d vydan\u00e9 oddelen\u00edm doh\u013eadu a kontroly kvality a bezpe\u010dnostn\u00e9 opatrenia formulovan\u00e9 pou\u017e\u00edvaj\u00facou jednotkou presk\u00fama a ods\u00fahlas\u00ed z\u00e1stupca gener\u00e1lneho riadite\u013ea pre stroj\u00e1rstvo a elektrotechniku bane, inak im nebude umo\u017enen\u00e9 vst\u00fapi\u0165 do vrtu.<\/p>\n\n\n\n

    5. Elektrick\u00e9 zariadenia odoln\u00e9 proti v\u00fdbuchu v h\u013abke na zmenu menovitej hodnoty pou\u017eitia a technickej transform\u00e1cie musia by\u0165 schv\u00e1len\u00e9 oddeleniami \u0161t\u00e1tneho dozoru nad kvalitou bansk\u00fdch v\u00fdrobkov a in\u0161pekcie.<\/p>\n\n\n\n

    6. Prev\u00e1dzka, \u00fadr\u017eba a opravy podzemn\u00fdch nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch zariaden\u00ed musia sp\u013a\u0148a\u0165 technick\u00e9 po\u017eiadavky na nev\u00fdbu\u0161nos\u0165. Nev\u00fdbu\u0161n\u00fd v\u00fdkon je po\u0161koden\u00e9 elektrick\u00e9 zariadenie, mus\u00ed sa okam\u017eite rie\u0161i\u0165 alebo vymeni\u0165, je pr\u00edsne zak\u00e1zan\u00e9 ho \u010falej pou\u017e\u00edva\u0165.<\/p>\n\n\n\n

    7. \u00dadr\u017eba nev\u00fdbu\u0161n\u00e9ho pl\u00e1\u0161\u0165a sa mus\u00ed vykon\u00e1va\u0165 v s\u00falade s \u201cPredpismi o oprav\u00e1ch nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch zariaden\u00ed v uho\u013en\u00fdch baniach\u201d a mus\u00ed ju vykon\u00e1va\u0165 jednotka alebo v\u00fdrobca, ktor\u00fd z\u00edskal kvalifik\u00e1ciu nev\u00fdbu\u0161nej in\u0161pekcie.<\/p>\n\n\n\n

    8. Posilni\u0165 kontrolu nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch parametrov pri pou\u017e\u00edvan\u00ed v podzem\u00ed:<\/p>\n\n\n\n

    (1) Pracovn\u00edci \u00fadr\u017eby (nev\u00fdbu\u0161n\u00ed in\u0161pektori na \u010diasto\u010dn\u00fd \u00fav\u00e4zok) nev\u00fdbu\u0161n\u00fdch elektrick\u00fdch zariaden\u00ed vo svojej p\u00f4sobnosti musia kontrolova\u0165 nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 zariadenia najmenej raz za zmenu.<\/p>\n\n\n\n

    (2) In\u0161pektor nev\u00fdbu\u0161nosti na pln\u00fd \u00fav\u00e4zok kontroluje nev\u00fdbu\u0161n\u00fa elektroin\u0161tal\u00e1ciu v bani s vysok\u00fdm obsahom plynu alebo v oblasti s vysok\u00fdm obsahom plynu v bani s n\u00edzkym obsahom plynu najmenej dvakr\u00e1t t\u00fd\u017edenne. Nev\u00fdbu\u0161n\u00fa elektroin\u0161tal\u00e1ciu n\u00edzkoplynov\u00fdch ban\u00ed kontroluje raz t\u00fd\u017edenne.<\/p>\n\n\n\n

    (3) Person\u00e1lne zabezpe\u010denie in\u0161pektorov nev\u00fdbu\u0161nosti na pln\u00fd a \u010diasto\u010dn\u00fd \u00fav\u00e4zok mus\u00ed zodpoveda\u0165 potreb\u00e1m in\u0161pek\u010dnej \u010dinnosti v oblasti nev\u00fdbu\u0161nosti.<\/p>\n\n\n\n

  II. V\u0161eobecn\u00e9 ustanovenia:<\/strong><\/strong><\/p>\n\n\n\n

    1. Nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 zariadenie (vr\u00e1tane mal\u00fdch elektrick\u00fdch spotrebi\u010dov), pou\u017eitie k\u00e1bla nesmie by\u0165 vy\u0161\u0161ie ako jeho menovit\u00e1 \u00farove\u0148 nap\u00e4tia, inak sa pova\u017euje za straten\u00e9.<\/p>\n\n\n\n

    2. Ak je svorka 9# nev\u00fdbu\u0161n\u00e9ho magnetick\u00e9ho sp\u00edna\u010da pou\u017e\u00edvan\u00e9ho v baniach s vysok\u00fdm obsahom plynu, uhlia a v\u00fdznamn\u00e9ho plynu uzemnen\u00e1 alebo ak je nev\u00fdbu\u0161n\u00fd pl\u00e1\u0161\u0165 z nejak\u00e9ho d\u00f4vodu elektrifikovan\u00fd, pova\u017euje sa to za stratu v\u00fdbuchu.<\/p>\n\n\n\n

    3. Pou\u017eitie prep\u00edna\u010dov na ovl\u00e1danie vstupn\u00fdch a v\u00fdstupn\u00fdch elektrick\u00fdch veden\u00ed vstupn\u00fdch a v\u00fdstupn\u00fdch zariaden\u00ed sa pova\u017euje za stratu v\u00fdbu\u0161n\u00edn (okrem pr\u00edstupu k rel\u00e9 na detekciu \u00faniku a nap\u00e1jania ovl\u00e1dacieho obvodu).<\/p>\n\n\n\n

4. V\u0161etky nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 zariadenia by sa mali spravova\u0165 v s\u00falade s po\u017eiadavkami na nev\u00fdbu\u0161nos\u0165 bez oh\u013eadu na to, kde sa pou\u017e\u00edvaj\u00fa v podzem\u00ed. <\/strong><\/strong><\/p>\n\n\n\n

III<\/strong>, nev\u00fdbu\u0161n\u00fd pl\u00e1\u0161\u0165 mus\u00ed ma\u0165 jasn\u00e9 nev\u00fdbu\u0161n\u00e9 zna\u010dky, bezpe\u010dnostn\u00e9 zna\u010dky na uhlie. Jedna z nasleduj\u00facich podmienok pre stratu v\u00fdbuchu:<\/strong><\/strong><\/p>\n\n\n\n

    1. Pl\u00e1\u0161\u0165 m\u00e1 trhliny, otvoren\u00e9 zvary, z\u00e1va\u017en\u00e9 deform\u00e1cie (d\u013a\u017eka deform\u00e1cie je viac ako 50 mm a h\u013abka konvexity a konk\u00e1vnosti je viac ako 5 mm).<\/p>\n\n\n\n

    2. Nev\u00fdbu\u0161n\u00fd pl\u00e1\u0161\u0165 vo vn\u00fatri a mimo hrdzavej vrstvy (hr\u00fabka hrdzavej vrstvy 0,2 mm a viac).<\/p>\n\n\n\n

    3. Prieh\u013eadn\u00e1 doska pozorovacieho otvoru (okna) nev\u00fdbu\u0161nej komory (dutiny) je uvo\u013enen\u00e1, rozbit\u00e1 alebo sa pou\u017e\u00edva oby\u010dajn\u00e9 sklo.<\/p>\n\n\n\n

    4. nev\u00fdbu\u0161n\u00e9 zariadenie nev\u00fdbu\u0161nej dutiny priamo cez, odstr\u00e1\u0148te nev\u00fdbu\u0161n\u00e9 zariadenie spojovacej skrinky v nev\u00fdbu\u0161nom izola\u010dnom sedle.<\/p>\n\n\n\n

5. Blokovacie zariadenie je ne\u00fapln\u00e9, po\u0161kodenie deform\u00e1ciou nem\u00f4\u017ee zohr\u00e1va\u0165 \u00falohu blokovania.<\/p>\n\n\n\n

IV<\/strong>, povrch odoln\u00fd proti v\u00fdbuchu by mal by\u0165 udr\u017eiavan\u00fd \u010dist\u00fd, neporu\u0161en\u00fd, mus\u00ed ma\u0165 opatrenia proti kor\u00f3zii.<\/strong><\/strong><\/h2>\n\n\n\n

    1. Kon\u0161truk\u010dn\u00e9 parametre povrchu nev\u00fdbu\u0161n\u00e9ho spoja musia by\u0165 v s\u00falade s nasleduj\u00facimi ustanoveniami, inak sa to pova\u017euje za stratu v\u00fdbuchu:<\/p>\n\n\n\n

    (1) elektrick\u00e9 zariadenie stacion\u00e1rna \u010das\u0165 nev\u00fdbu\u0161n\u00e9ho k\u013abov\u00e9ho povrchu, joystick a hriade\u013e a lo\u017eiskov\u00fd hriade\u013e nev\u00fdbu\u0161n\u00e9ho k\u013abov\u00e9ho povrchu a zodpovedaj\u00faci objem pl\u00e1\u0161\u0165a zodpovedaj\u00faci maxim\u00e1lnej v\u00f4li musia by\u0165 v s\u00falade s ustanoveniami tabu\u013eky I. Minim\u00e1lna \u00fa\u010dinn\u00e1 d\u013a\u017eka r\u00fdchlo p\u00f4sobiaceho typu dver\u00ed nie je 25 mm. Povrch k\u013abu odoln\u00e9ho proti v\u00fdbuchu typu r\u00fdchlobe\u017en\u00fdch dver\u00ed minim\u00e1lnej efekt\u00edvnej d\u013a\u017eky nie je men\u0161\u00ed ako 25 mm.<\/p>\n\n\n\n

    (2) Priemern\u00e1 drsnos\u0165 povrchu nev\u00fdbu\u0161n\u00e9ho spoja nesmie by\u0165 v\u00e4\u010d\u0161ia ako 6,3 \u03bcm.<\/p>\n\n\n\n

    (3) \u017eiadna hrdza na povrchu izol\u00e1cie v\u00fdbuchu (tren\u00e9 bavlnenou g\u00e1zou, st\u00e1le existuj\u00fa hrdzav\u00e9 \u0161kvrny pre hrdzu, pri\u010dom sa ponech\u00e1va len tie\u0148 mraku, nepo\u010d\u00edta sa ako hrdza).<\/p>\n\n\n\n

    (4) Priskrutkovan\u00e9 a upevnen\u00e9 povrchy izoluj\u00face od v\u00fdbuchu:<\/p>\n\n\n\n

    \u2460 Skrutky a pru\u017en\u00e9 podlo\u017eky musia by\u0165 kompletn\u00e9 a dotiahnut\u00e9 (kvalifikovan\u00e1 je tesnos\u0165 na vyrovnanie podlo\u017eky).<\/p>\n\n\n\n

    \u2461 \u0161pecifik\u00e1cie pru\u017einovej podlo\u017eky musia by\u0165 kompatibiln\u00e9 so skrutkou (ob\u010das sa jednotliv\u00e9 pru\u017einov\u00e9 podlo\u017eky zlomia alebo stratia pru\u017enos\u0165, skontrolujte v\u00f4\u013eu odoln\u00fa proti v\u00fdbuchu, ak nie je nad limitom, vyme\u0148te kvalifikovan\u00fa pru\u017einov\u00fa podlo\u017eku nie je strata v\u00fdbuchu).<\/p>\n\n\n\n

    \u2462 Skrutky alebo otvory pre skrutky nem\u00f4\u017eu sk\u013aznu\u0165 (okrem v\u00fdmeny dlh\u00fdch skrutiek rovnak\u00e9ho priemeru a upevnenia mat\u00edc).<\/p>\n\n\n\n

    (iv) V pr\u00edpade skrutiek a nepriepustn\u00fdch otvorov pre skrutky by mala by\u0165 osov\u00e1 d\u013a\u017eka zvy\u0161n\u00fdch z\u00e1vitov na skrutk\u00e1ch a otvoroch pre skrutky po utiahnut\u00ed v\u00e4\u010d\u0161ia ako 1,5-n\u00e1sobok hr\u00fabky pru\u017en\u00fdch podlo\u017eiek; hr\u00fabka okolo a na dne otvorov pre skrutky by mala by\u0165 v\u00e4\u010d\u0161ia ako 3 mm.<\/p>\n\n\n\n

    \u2464 \u0160pecifik\u00e1cie skrutiek a mat\u00edc v tej istej \u010dasti by mali by\u0165 rovnak\u00e9 a h\u013abka oce\u013eov\u00fdch upev\u0148ovac\u00edch skrutiek zaskrutkovan\u00fdch do mat\u00edc by nemala by\u0165 men\u0161ia ako priemer skrutiek.<\/p>\n\n\n\n

    (vi) D\u013a\u017eka zapusten\u00e9ho otvoru oce\u013eovej upev\u0148ovacej skrutky do otvoru pre skrutku by mala by\u0165 v\u00e4\u010d\u0161ia ako priemer skrutky, liatiny, medi, hlin\u00edkov\u00fdch dielov nie menej ako 1,5-n\u00e1sobok priemeru skrutky; ak h\u013abka otvoru pre skrutku nie je dostato\u010dn\u00e1, mus\u00ed by\u0165 na plnom otvore.<\/p>\n\n\n\n

    (vii) Kryt rozvodnej skrine motora nesmie by\u0165 oto\u010den\u00fd.<\/p>\n\n\n\n

    2. Na povrchu izoluj\u00facom v\u00fdbuch nesm\u00fa defekty v r\u00e1mci stanovenej d\u013a\u017eky a najkrat\u0161ej \u00fa\u010dinnej d\u013a\u017eky od okraja otvoru pre skrutku po okraj povrchu izoluj\u00faceho v\u00fdbuch presiahnu\u0165 nasleduj\u00face ustanovenia:<\/p>\n\n\n\n

    (1) Pre miestny vzh\u013ead priemeru nie je v\u00e4\u010d\u0161\u00ed ako 1 mm; h\u013abka nie je v\u00e4\u010d\u0161ia ako 2 mm pieskov\u00fdch otvorov, v 40, 25, 15 mm povrchu odoln\u00e9ho proti v\u00fdbuchu, nie viac ako 2 na \u0161tvorcov\u00fd centimeter.<\/p>\n\n\n\n

    (2) Mechanick\u00e1 rana vytvoren\u00e1 n\u00e1hodne, jej \u0161\u00edrka a h\u013abka nie je v\u00e4\u010d\u0161ia ako 0,5 mm, efekt\u00edvna d\u013a\u017eka zost\u00e1vaj\u00facej neporu\u0161enej tryskacej plochy nie je men\u0161ia ako 2\/3 uvedenej d\u013a\u017eky.<\/p>\n\n\n\n

    (3) povrch odoln\u00fd proti v\u00fdbuchu sa nesmie natiera\u0165 (n\u00e1jden\u00fd v n\u00e1tere pri kontrole medzery nepresahuje ustanovenia o d\u013a\u017eke spoja bez n\u00e1teru v d\u013a\u017eke spoja nie je men\u0161\u00ed ako d\u013a\u017eka ustanoven\u00ed 2\/3 nie je strata v\u00fdbuchu).<\/p>\n\n\n\n

    3. Nev\u00fdbu\u0161n\u00fd motor<\/p>\n\n\n\n

    (1) Povrch nev\u00fdbu\u0161n\u00e9ho spoja hriade\u013ea motora a otvoru hriade\u013ea by nemal za norm\u00e1lnych pracovn\u00fdch podmienok vytv\u00e1ra\u0165 trenie. Ak sa pou\u017eije valcov\u00fd nev\u00fdbu\u0161n\u00fd k\u013abov\u00fd povrch, minim\u00e1lna jednostrann\u00e1 v\u00f4\u013ea medzi hriade\u013eom a otvorom hriade\u013ea nesmie by\u0165 men\u0161ia ako 0,075 mm.<\/p>\n\n\n\n

    (2) Kon\u0161trukcia valiv\u00e9ho lo\u017eiska, maxim\u00e1lna jednostrann\u00e1 v\u00f4\u013ea medzi hriade\u013eom a otvorom hriade\u013ea nesmie by\u0165 v\u00e4\u010d\u0161ia ako 2\/3 hodnoty uvedenej v tabu\u013eke I. v. Zariadenie na zavedenie k\u00e1bla:<\/strong><\/strong><\/p>\n\n\n\n

    Zariadenie na zavedenie k\u00e1bla mus\u00ed by\u0165 kompletn\u00e9, \u00fapln\u00e9, tesn\u00e9 a dobre utesnen\u00e9 a mus\u00ed by\u0165 splnen\u00e1 jedna z nasleduj\u00facich podmienok: nev\u00fdbu\u0161nos\u0165:<\/p>\n\n\n\n

    1. Vn\u00fatorn\u00fd priemer tesnenia je v\u00e4\u010d\u0161\u00ed ako vonkaj\u0161\u00ed priemer k\u00e1bla o viac ako 1 mm.<\/p>\n\n\n\n

    2. Rozdiel medzi vn\u00fatorn\u00fdm priemerom vstupnej d\u00fdzy a vonkaj\u0161\u00edm priemerom tesniaceho kr\u00fa\u017eku presahuje hodnotu uveden\u00fa v tabu\u013eke II.<\/p>\n\n\n\n

    3. \u0160\u00edrka tesniaceho kr\u00fa\u017eku je men\u0161ia ako 0,7-n\u00e1sobok vonkaj\u0161ieho priemeru k\u00e1bla alebo minim\u00e1lna \u0161\u00edrka je men\u0161ia ako 10 mm.<\/p>\n\n\n\n

    4. Hr\u00fabka tesniaceho kr\u00fa\u017eku je men\u0161ia ako 0,3-n\u00e1sobok vonkaj\u0161ieho priemeru k\u00e1bla (okrem k\u00e1blov s rozmermi 70 \u0161tvorcov\u00fdch milimetrov a viac) alebo minim\u00e1lna hr\u00fabka je men\u0161ia ako 4 mm.<\/p>\n\n\n\n

    5. Tesnenia s viacer\u00fdmi k\u00e1blami navle\u010den\u00fdmi do jedn\u00e9ho otvoru.<\/p>\n\n\n\n

    6. Odre\u017ete tesniaci kr\u00fa\u017eok nad k\u00e1blom.<\/p>\n\n\n\n

    7. Tvrdos\u0165 tesniaceho kr\u00fa\u017eku nesp\u013a\u0148a Sauerovu tvrdos\u0165 45 stup\u0148ov - 55 stup\u0148ov, starnutie (praskanie, lepenie, tvrdnutie, m\u00e4knutie, pulveriz\u00e1cia, zmena farby a in\u00e9 javy) strata pru\u017enosti, trval\u00e1 deform\u00e1cia, efekt\u00edvna ve\u013ekos\u0165 medzery ulo\u017eenia nesp\u013a\u0148a po\u017eiadavky na tesniacu \u00falohu.<\/p>\n\n\n\n

    8. Tesniaci kr\u00fa\u017eok nie je \u00faplne na pl\u00e1\u0161ti k\u00e1bla (alebo pancierovanom pl\u00e1\u0161ti k\u00e1bla).<\/p>\n\n\n\n

    9. Medzi tesniacim kr\u00fa\u017ekom a pl\u00e1\u0161\u0165om k\u00e1bla (alebo oloven\u00fdm pl\u00e1\u0161\u0165om pancierovan\u00e9ho k\u00e1bla) s\u00fa \u010fal\u0161ie obaly; medzi tesniacim kr\u00fa\u017ekom a nap\u00e1jacou d\u00fdzou s\u00fa v\u00fdplne.<\/p>\n\n\n\n

   10. V jednej vstupnej d\u00fdze sa pou\u017e\u00edva viacero tesnen\u00ed.<\/p>\n\n\n\n

   11. Zariadenia na zav\u00e1dzanie k\u00e1blov so z\u00e1vitmi, so zapojen\u00edm menej ako 5 spojovac\u00edch prvkov, s d\u013a\u017ekou z\u00e1vitovej \u010dasti men\u0161ou ako 8 mm a s menej ako 6 z\u00e1vitov\u00fdmi spojovac\u00edmi prvkami.<\/p>\n\n\n\n

   12. Presnos\u0165 z\u00e1vitu je men\u0161ia ako stupe\u0148 3 a rozstup je men\u0161\u00ed ako 0,7 mm.<\/p>\n\n\n\n

   13. Nepou\u017eit\u00e1 pod\u00e1vacia d\u00fdza nem\u00e1 tesniaci kr\u00fa\u017eok alebo prep\u00e1\u017eku; alebo je prep\u00e1\u017eka umiestnen\u00e1 vn\u00fatri tesniaceho kr\u00fa\u017eku; priemer prep\u00e1\u017eky je men\u0161\u00ed ako vn\u00fatorn\u00fd priemer pod\u00e1vacej d\u00fdzy o viac ako 2 mm; hr\u00fabka prep\u00e1\u017eky je men\u0161ia ako 2 mm alebo hr\u00fabka prep\u00e1\u017eky je men\u0161ia ako 3 mm, ak je priemer prep\u00e1\u017eky 110 mm a viac (v\u0161etky prep\u00e1\u017eky by mali by\u0165 pozinkovan\u00e9).<\/p>\n\n\n\n

   14. Pri pou\u017e\u00edvan\u00ed \u0161pir\u00e1lovej pod\u00e1vacej d\u00fdzy ch\u00fdba kovov\u00fd kr\u00fa\u017eok; kovov\u00fd kr\u00fa\u017eok a pod\u00e1vacia d\u00fdza sa nezhoduj\u00fa. (Nepou\u017eit\u00e9 pod\u00e1vacie d\u00fdzy sa m\u00f4\u017eu pou\u017e\u00edva\u0165 bez kovov\u00fdch kr\u00fa\u017ekov).<\/p>\n\n\n\n

   15. Po stla\u010den\u00ed vstupnej d\u00fdzy nie je \u017eiadna rezerva alebo vn\u00fatorn\u00fd okraj vstupnej d\u00fdzy nem\u00f4\u017ee tesne stla\u010di\u0165 tesniaci kr\u00fa\u017eok; \u010deln\u00e1 strana tesniaceho kr\u00fa\u017eku nie je v dobrom kontakte so stenou; alebo tesniaci kr\u00fa\u017eok m\u00f4\u017ee by\u0165 pohybliv\u00fd.<\/p>\n\n\n\n

   16. Tlakov\u00e1 doska typu d\u00fdzy na pod\u00e1vanie dr\u00f4tu nem\u00e1 kompresn\u00fa skrutku alebo kompresn\u00e1 skrutka nie je dotiahnut\u00e1, rukou m\u00f4\u017ee by\u0165 d\u00fdza na pod\u00e1vanie dr\u00f4tu zjavne otrasen\u00e1.<\/p>\n\n\n\n

   17. D\u00fdzy pod\u00e1va\u010da dr\u00f4tu s maticou, ktor\u00e9 sa nedaj\u00fa utiahnu\u0165 na mieste z d\u00f4vodu neporiadneho vybo\u010denia, hrdzavenia at\u010f. alebo pri ktor\u00fdch sa palec, ukazov\u00e1k a prostredn\u00edk jednej ruky pou\u017e\u00edvaj\u00fa na to, aby sa kompresn\u00e1 matica posunula o viac ako polovicu ot\u00e1\u010dky v smere skrutkovania.<\/p>\n\n\n\n

   18 k\u00e1bel na vstupnej d\u00fdze, ktor\u00fd sa zatla\u010d\u00ed jednou rukou v smere vstupu k\u00e1bla.<\/p>\n\n\n\n

   19. Ak sa vo vysokonap\u00e4\u0165ovej pancierovej k\u00e1blovej spojovacej skrinke pou\u017e\u00edva izola\u010dn\u00e1 guma, izola\u010dn\u00e1 guma nie je vyplnen\u00e1 nad \u00fast\u00edm s tromi vidlicami; izola\u010dn\u00e1 guma m\u00e1 trhliny, ktor\u00e9 m\u00f4\u017eu by\u0165 relat\u00edvne akt\u00edvne.<\/p>\n\n\n\n

VI. Pripojenie k\u00e1blov:<\/strong><\/strong><\/h2>\n\n\n\n

    K\u00e1blov\u00e9 pripojenie sa pova\u017euje za nefunk\u010dn\u00e9, ak plat\u00ed jedna z nasleduj\u00facich podmienok:<\/p>\n\n\n\n

    1. K\u00e1bel nie je spojen\u00fd s vulkanizovanou hor\u00facou z\u00e1platou.<\/p>\n\n\n\n

    2. K\u00e1ble (vr\u00e1tane komunika\u010dn\u00fdch, osvet\u013eovac\u00edch, signaliza\u010dn\u00fdch, ovl\u00e1dac\u00edch k\u00e1blov), ak je spojovacia skrinka s neiskrovo bezpe\u010dn\u00fdm zariaden\u00edm, nepou\u017e\u00edvajte nev\u00fdbu\u0161n\u00fa k\u00e1blov\u00fa spojovaciu skrinku (patriacu do iskrovo bezpe\u010dn\u00e9ho ovl\u00e1dania komunika\u010dn\u00fdch k\u00e1blov, mala by sa pou\u017ei\u0165 iskrovo bezpe\u010dn\u00e1 spojovacia skrinka);<\/p>\n\n\n\n

    3. Pripojenie pancierov\u00e9ho k\u00e1bla nepou\u017e\u00edva spojovaciu skrinku, stredn\u00e1 skrinka nie je naplnen\u00e1 izola\u010dn\u00fdm v\u00fdpl\u0148ov\u00fdm materi\u00e1lom alebo v\u00fdpl\u0148 nie je pr\u00edsna netesnos\u0165 jadrov\u00e9ho vedenia spojov;<\/p>\n\n\n\n

    4. Koniec k\u00e1bla nie je pripojen\u00fd k in\u0161tal\u00e1cii nev\u00fdbu\u0161n\u00e9ho elektrick\u00e9ho zariadenia alebo nev\u00fdbu\u0161n\u00fdch komponentov;<\/p>\n\n\n\n

    5. Elektrick\u00e9 zariadenia a k\u00e1ble s odkryt\u00fdmi vodi\u010dmi;<\/p>\n\n\n\n

6. Gumov\u00fd pl\u00e1\u0161\u0165, zosie\u0165ovan\u00fd polyetyl\u00e9nov\u00fd pl\u00e1\u0161\u0165 k\u00e1bla po\u0161kodenie odkryt\u00e9ho jadra (tienen\u00fd k\u00e1bel odkryt\u00e9 tienenie alebo iskrovo bezpe\u010dn\u00e9 zariadenie pripojen\u00e9 ku k\u00e1blu odkryt\u00fd vodi\u010d okrem, ale mal by by\u0165 okam\u017eite opraven\u00fd).<\/p>\n\n\n\n

VII. Nehor\u013eav\u00e9 z\u00e1suvn\u00e9 zariadenie:<\/strong><\/strong><\/h2>\n\n\n\n

    1. Nap\u00e1jacia strana z\u00e1str\u010dky elektrickej v\u0155ta\u010dky na uhlie by mala by\u0165 pripojen\u00e1 k z\u00e1suvke, meranie z\u00e1\u0165a\u017ee je pripojen\u00e9 k z\u00e1str\u010dke a pripojenie je opa\u010dn\u00e9, aby sa pova\u017eovalo za stratu v\u00fdbuchu.<\/p>\n\n\n\n

    2. Ch\u00fdbaj\u00face zariadenie na sp\u00e1janie zabra\u0148uje n\u00e1hlemu odtrhnutiu zariadenia na pohyb Xu, nap\u00e1jacie nap\u00e4tie v rozmedz\u00ed 660 V - 1140 V z\u00e1str\u010dkov\u00e9ho zariadenia ch\u00fdbaj\u00face elektrick\u00e9 blokovacie zariadenie sa pova\u017euje za zariadenie mimo v\u00fdbuchu.<\/p>\n\n\n\n

    3. Z\u00e1str\u010dka v kontaktnom odpojen\u00ed v okamihu v\u00fdpadku nap\u00e1jania, pl\u00e1\u0161\u0165 s maxim\u00e1lnym priemerom rozdielu prasknutej plochy w a minim\u00e1lnou \u00fa\u010dinnou d\u013a\u017ekou L, nesp\u013a\u0148a ustanovenia tabu\u013eky III pre stratu v\u00fdbuchu.<\/p>\n\n\n\n

VIII. Osvet\u013eovacie zariadenia:<\/a><\/strong><\/h2>\n\n\n\n

    1. Bezpe\u010dnostn\u00e9 lampy a svietidl\u00e1 odoln\u00e9 proti v\u00fdbuchu na zmenu tlakov\u00e9ho portu na port Luo pri strate v\u00fdbuchu.<\/p>\n\n\n\n

    2. Nev\u00fdbu\u0161n\u00e9 lampy a svietidl\u00e1 mo\u017eno otvori\u0165 a\u017e po odpojen\u00ed prieh\u013eadn\u00e9ho krytu nap\u00e1jania z d\u00f4vodu poruchy blokovacieho zariadenia.<\/p>\n\n\n\n

    3. Sklenen\u00fd kryt nev\u00fdbu\u0161n\u00fdch l\u00e1mp a svietidiel sa zd\u00e1 by\u0165 uvo\u013enen\u00fd, prasknut\u00fd, rozbit\u00fd, \u010do je jedn\u00fdm z d\u00f4vodov straty v\u00fdbuchu.<\/p>\n\n\n\n

IX. Bansk\u00e9 lampy:<\/strong><\/strong><\/h2>\n\n\n\n

   Bansk\u00e9 lampy pou\u017e\u00edvan\u00e9 v podzem\u00ed musia ma\u0165 zna\u010dku nev\u00fdbu\u0161nosti a bezpe\u010dnostn\u00fa zna\u010dku bansk\u00fdch v\u00fdrobkov a za stratu v\u00fdbuchu sa pova\u017euje jedna z nasleduj\u00facich podmienok:<\/p>\n\n\n\n

   1. Prasknut\u00e1 hlava svietidla, uvo\u013enen\u00fd kr\u00fa\u017eok hlavy svietidla, prasknut\u00e9 sklo, zl\u00e9 tesnenie hlavy svietidla, porucha z\u00e1mku svietidla.<\/p>\n\n\n\n

   2. Vedenie \u017eiarovky je zlomen\u00e9 a odhalen\u00e9 jadro dr\u00f4tu, zariadenie na zavedenie vedenia \u017eiarovky je po\u0161koden\u00e9, tesnenie nie je tesn\u00e9, vedenie \u017eiarovky je po\u0161koden\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"

Coal mine explosion-proof inspection standards I. General provisions:     1. In order to further implement the “Coal Mine Safety Regulations” and the standards and regulations on explosion-proof electrics, to improve the understanding of electromechanical workers on the performance of explosion-proof electrics, and to facilitate the mastery of the use of the standards in practical […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2154","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/sk\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Coal mine explosion-proof inspection standards I. General provisions:     1. 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