{"id":3314,"date":"2026-05-14T03:32:59","date_gmt":"2026-05-14T03:32:59","guid":{"rendered":"https:\/\/sprocket-chain.net\/?p=3314"},"modified":"2026-05-14T03:32:59","modified_gmt":"2026-05-14T03:32:59","slug":"pintle-chain-and-drag-chain","status":"publish","type":"post","link":"https:\/\/sprocket-chain.net\/sk\/pintle-chain-and-drag-chain\/","title":{"rendered":"\u010capov\u00e1 re\u0165az a \u0165a\u017en\u00e1 re\u0165az: \u0160pecifik\u00e1cia a pou\u017eitie na prepravu \u0165a\u017ek\u00fdch sypk\u00fdch materi\u00e1lov"},"content":{"rendered":"
\n

<\/p>\n

\n
<\/div>\n

<\/p>\n

<\/div>\n
\n
\n
Manipul\u00e1cia sypk\u00fdch materi\u00e1lov<\/div>\n
Cement \u00b7 Kamenivo \u00b7 Obilniny \u00b7 \u0164a\u017eba<\/div>\n<\/div>\n

\u010capov\u00e1 re\u0165az a \u0165a\u017en\u00e1 re\u0165az: \u0160pecifik\u00e1cia a pou\u017eitie na prepravu \u0165a\u017ek\u00fdch sypk\u00fdch materi\u00e1lov<\/h1>\n

\u0160tandardn\u00e1 val\u010dekov\u00e1 re\u0165az nie je ur\u010den\u00e1 pre podmienky, ktor\u00e9 dominuj\u00fa pri preprave sypk\u00fdch materi\u00e1lov \u2013 priamy kontakt s abraz\u00edvnym materi\u00e1lom, za\u0165a\u017eenie \u017e\u013eabu pri \u0165ahan\u00ed, vysok\u00e9 r\u00e1zy z ve\u013ek\u00fdch kusov a takmer nepretr\u017eit\u00e1 prev\u00e1dzka pri n\u00edzkej r\u00fdchlosti. \u010capov\u00e9 re\u0165aze a \u0165a\u017ek\u00e9 \u0165a\u017en\u00e9 re\u0165aze existuj\u00fa ako samostatn\u00e9 kateg\u00f3rie produktov pr\u00e1ve preto, \u017ee \u0161tandardn\u00e9 val\u010dekov\u00e9 re\u0165aze v t\u00fdchto aplik\u00e1ci\u00e1ch r\u00fdchlo zlyh\u00e1vaj\u00fa.<\/p>\n

Vy\u017eiadajte si \u0161pecifik\u00e1ciu \u010dapu alebo \u0165a\u017enej re\u0165aze<\/a><\/p>\n<\/div>\n<\/div>\n

\n

<\/p>\n

Za\u010diatkom roka 2024 vymenila beton\u00e1re\u0148 na spracovanie kameniva u\u017e \u0161tvrt\u00fdkr\u00e1t za 18 mesiacov svoju re\u0165az dopravn\u00edka na regener\u00e1ciu kameniva. Ka\u017ed\u00e1 v\u00fdmena mala rovnak\u00fa \u0161pecifik\u00e1ciu \u2013 \u0165a\u017ek\u00fa \u200b\u200bval\u010dekov\u00fa re\u0165az ANSI #120, ktor\u00e1 bola zladen\u00e1 s ozuben\u00fdmi kolesami 25T, ktor\u00e9 sa u\u017e nach\u00e1dzali v pohone. Re\u0165az mala spr\u00e1vny rozstup, spr\u00e1vne medzn\u00e9 za\u0165a\u017eenie na papieri a spr\u00e1vnu d\u013a\u017eku. Na rovnakom mieste \u2013 v strednej \u010dasti spodnej vetvy, kde re\u0165az \u0165ahala priamo cez nahromaden\u00fd jemn\u00fd kamenivo na dne \u017e\u013eabu \u2013 sa na\u010falej pokazila 4 \u2013 5 mesiacov. Sp\u00f4sob poruchy bol zaka\u017ed\u00fdm rovnak\u00fd: vonkaj\u0161ie \u010dl\u00e1nkov\u00e9 dosky opotrebovan\u00e9 v strede plochy, vonkaj\u0161\u00ed povrch valca opotrebovan\u00fd na kontaktnej strane a viacero zadret\u00fdch spojov v d\u00f4sledku vstreb\u00e1vania abraz\u00edva. Spr\u00e1vnym rie\u0161en\u00edm nebola lep\u0161ia trieda val\u010dekovej re\u0165aze #120. I\u0161lo o zmenu na kateg\u00f3riu produktu navrhnut\u00fa pre tento \u0161pecifick\u00fd stav za\u0165a\u017eenia: \u010dapov\u00e1 re\u0165az s kalen\u00fdmi povrchmi valca a otvorenou kon\u0161trukciou valca, ktor\u00e1 uvo\u013e\u0148uje zachyten\u00e9 abraz\u00edvum, namiesto toho, aby ho drvila do lo\u017eiskov\u00fdch pl\u00f4ch.<\/p>\n

\"Pintle<\/p>\n

Pochopenie rozdielu medzi val\u010dekovou re\u0165azou, \u010dapovou re\u0165azou a \u0165a\u017enou re\u0165azou \u2013 a toho, ak\u00e9 \u0161pecifick\u00e9 kon\u0161truk\u010dn\u00e9 vlastnosti ka\u017ed\u00e1 z nich rie\u0161i \u2013 je nevyhnutn\u00e9 pre spr\u00e1vny v\u00fdber pre aplik\u00e1cie manipul\u00e1cie s \u0165a\u017ek\u00fdm sypk\u00fdm materi\u00e1lom.<\/p>\n

\u010capov\u00fd re\u0165azec: \u0160trukt\u00fara a zd\u00f4vodnenie n\u00e1vrhu<\/h2>\n
\n
\n

\u010capov\u00e1 re\u0165az (ASME B29.4, ISO 1977) je pomenovan\u00e1 pod\u013ea pln\u00e9ho \u010dapu \u2013 \u201e\u010dapu\u201c \u2013 ktor\u00fd tvor\u00ed spoj medzi \u010dl\u00e1nkami. Na rozdiel od \u0161tandardnej val\u010dekovej re\u0165aze, kde je \u010dap uzavret\u00fd v zostave puzdra a val\u010deka, \u010dapov\u00fd spoj re\u0165aze pou\u017e\u00edva otvoren\u00fa liatu alebo kovan\u00fa bo\u010dn\u00fa ty\u010d (\u201ebo\u010dn\u00e1 ty\u010d\u201c) s otvoren\u00fdm h\u00e1kom alebo dr\u00e1\u017ekou, ktor\u00e1 prij\u00edma \u010dap susedn\u00e9ho \u010dl\u00e1nku bez \u00fapln\u00e9ho uzavretia puzdra.<\/p>\n

Kritick\u00fdm kon\u0161truk\u010dn\u00fdm prvkom, ktor\u00fd odli\u0161uje \u010dapov\u00fa re\u0165az od val\u010dekovej re\u0165aze v aplik\u00e1ci\u00e1ch s sypk\u00fdmi materi\u00e1lmi, je t\u00e1to geometria otvoren\u00e9ho k\u013abu. Ke\u010f abraz\u00edvny materi\u00e1l vst\u00fapi do \u0161tandardn\u00e9ho otvoru puzdra val\u010dekovej re\u0165aze, zachyt\u00ed sa medzi \u010dapom a povrchom puzdra, \u010d\u00edm sa vytvor\u00ed abraz\u00edvna zmes, ktor\u00e1 sa pri ka\u017edom k\u013abe nepretr\u017eite br\u00fasi. V \u010dapovej re\u0165azi otvoren\u00fd k\u013ab umo\u017e\u0148uje abraz\u00edvnym \u010dasticiam prepadn\u00fa\u0165 cez medzeru k\u013abu, namiesto toho, aby boli zachyten\u00e9 \u2013 re\u0165az sa po\u010das prev\u00e1dzky \u010diasto\u010dne samo\u010disti. Tento jedin\u00fd kon\u0161truk\u010dn\u00fd rozdiel vedie k v\u00fdrazne dlh\u0161ej \u017eivotnosti v aplik\u00e1ci\u00e1ch, kde je kontakt s jemn\u00fdm abraz\u00edvnym materi\u00e1lom nevyhnutn\u00fd.<\/p>\n<\/div>\n

\n
\n
Rozmery k\u013e\u00fa\u010da s \u010dapovou re\u0165azou<\/div>\n
\n
Rozsah t\u00f3nu<\/span>38 \u2013 203 mm<\/span><\/div>\n
Priemer \u010dapu<\/span>16\u201350 mm<\/span><\/div>\n
Materi\u00e1l odkazu<\/span>Liatina \/ liata oce\u013e<\/span><\/div>\n
Materi\u00e1l \u010dapu<\/span>Kalen\u00e1 legovan\u00e1 oce\u013e<\/span><\/div>\n
Maxim\u00e1lna r\u00fdchlos\u0165<\/span>typicky 0,1\u20130,5 m\/s<\/span><\/div>\n
Rozsah medzn\u00e9ho za\u0165a\u017eenia<\/span>45 \u2013 500+ kN<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
Protiintuit\u00edvne: geometria otvoren\u00e9ho k\u013abu \u010dapovej re\u0165aze \u2013 ktor\u00e1 sa jav\u00ed ako \u0161truktur\u00e1lne slab\u0161ia ako plne uzavret\u00e1 zostava puzdra a \u010dapu \u2013 v skuto\u010dnosti poskytuje dlh\u0161iu \u017eivotnos\u0165 v abraz\u00edvnych aplik\u00e1ci\u00e1ch ako re\u0165aze s uzavret\u00fdm k\u013abom s vy\u0161\u0161\u00edm menovit\u00fdm medzn\u00fdm za\u0165a\u017een\u00edm.<\/strong> Medzn\u00e1 pevnos\u0165 liatinovej \u010dapovej re\u0165aze s rozstupom 102 mm m\u00f4\u017ee by\u0165 iba 180 kN \u2013 menej ako pri \u0161tandardnej val\u010dekovej re\u0165azi ANSI #120 so 124,5 kN na prame\u0148. V agreg\u00e1tovom vle\u010dnom dopravn\u00edku v\u0161ak m\u00f4\u017ee \u010dapov\u00e1 re\u0165az be\u017eiaca r\u00fdchlos\u0165ou 0,2 m\/s dosiahnu\u0165 8 000 \u2013 12 000 hod\u00edn pred vyraden\u00edm z prev\u00e1dzky, zatia\u013e \u010do val\u010dekov\u00e1 re\u0165az s porovnate\u013enou menovitou nosnos\u0165ou zlyh\u00e1 po 500 \u2013 800 hodin\u00e1ch v d\u00f4sledku abraz\u00edvneho opotrebenia diery \u010dapu. Krit\u00e9riom v\u00fdberu pre aplik\u00e1cie dopravy sypk\u00fdch materi\u00e1lov je odolnos\u0165 proti opotrebeniu v prev\u00e1dzkovom m\u00e9diu, nie statick\u00e1 medzn\u00e1 pevnos\u0165.<\/div>\n

<\/p>\n

\u0160tandardn\u00e9 s\u00e9rie \u010dapov\u00fdch re\u0165az\u00ed a ich pou\u017eitie<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
\u010c\u00edslo re\u0165aze<\/th>\nRozstup (mm)<\/th>\nPriemer \u010dapu (mm)<\/th>\nMinim\u00e1lna medzn\u00e1 hmotnos\u0165 (kN)<\/th>\nTyp odkazu<\/th>\nPrim\u00e1rna aplik\u00e1cia<\/th>\n<\/tr>\n<\/thead>\n
S\u00e9ria 32<\/td>\n101.6<\/td>\n25.4<\/td>\n111.0<\/td>\nLiatinov\u00fd odsaden\u00fd bo\u010dn\u00fd panel<\/td>\nRekultiv\u00e1cia kameniva, dopravn\u00edk piesku<\/td>\n<\/tr>\n
S\u00e9ria 42<\/td>\n101.6<\/td>\n31.8<\/td>\n156.0<\/td>\nLiatina, \u0165a\u017e\u0161\u00ed bo\u010dn\u00fd panel<\/td>\n\u0160trk, drven\u00fd kame\u0148, cementov\u00fd slinok<\/td>\n<\/tr>\n
S\u00e9ria 51<\/td>\n152.4<\/td>\n38.1<\/td>\n178.0<\/td>\nLiatina alebo liata oce\u013e<\/td>\nNajbe\u017enej\u0161ie: cement, \u0165a\u017eba, \u0165a\u017eba kameniva<\/td>\n<\/tr>\n
S\u00e9ria 55 (\u0165a\u017ek\u00e1)<\/td>\n152.4<\/td>\n44.5<\/td>\n267.0<\/td>\nLiata oce\u013e<\/td>\n\u0164a\u017ek\u00e9 kamenivo, lom, poruba bane<\/td>\n<\/tr>\n
S\u00e9ria 62<\/td>\n203.2<\/td>\n50.8<\/td>\n356.0<\/td>\n\u0164a\u017ek\u00e1 liata oce\u013e s upev\u0148ovac\u00edmi bodmi<\/td>\nTermin\u00e1l pre hromadn\u00fd n\u00e1klad, ve\u013ekokusov\u00e1 ruda, oce\u013eov\u00fd \u0161rot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Ploch\u00e1 \u0165a\u017en\u00e1 re\u0165az: Ke\u010f s\u00fa potrebn\u00e9 \u0161krabky a un\u00e1\u0161a\u010de<\/h2>\n

Zatia\u013e \u010do \u010dapov\u00e1 re\u0165az je samodopravn\u00fd prvok (telo re\u0165aze sa dot\u00fdka materi\u00e1lu), ploch\u00e1 \u0165a\u017en\u00e1 re\u0165az je hnac\u00ed prvok, ktor\u00fd nesie samostatn\u00e9 \u00fachyty na uchytenie let\u00fana \u2013 oce\u013eov\u00e9 ty\u010de alebo lopatky privaren\u00e9 alebo priskrutkovan\u00e9 k re\u0165azi v pravideln\u00fdch intervaloch. Let\u00fany tla\u010dia materi\u00e1l horizont\u00e1lne pozd\u013a\u017e \u017e\u013eabu alebo panvy bez toho, aby sa samotn\u00e1 re\u0165az musela priamo dot\u00fdka\u0165 materi\u00e1lu.<\/p>\n

\"ozuben\u00e9<\/p>\n

Ploch\u00e9 \u0165a\u017en\u00e9 re\u0165aze pou\u017e\u00edvaj\u00fa ako hnac\u00ed prvok jeden z dvoch typov re\u0165az\u00ed: \u0165a\u017ek\u00fa \u200b\u200bval\u010dekov\u00fa re\u0165az in\u017einierskej triedy (s\u00e9ria ASME B29.10 \u2013 pozri \u010dl\u00e1nok 11 v tejto s\u00e9rii) s bo\u010dn\u00fdmi upev\u0148ovac\u00edmi doskami pre uchytenie lanka alebo \u00fa\u010delovo vyroben\u00fa zv\u00e1ran\u00fa oce\u013eov\u00fa \u0165a\u017en\u00fa re\u0165az, kde s\u00fa bo\u010dn\u00e9 ty\u010de re\u0165aze vyroben\u00e9 z hrub\u00e9ho kon\u0161truk\u010dn\u00e9ho oce\u013eov\u00e9ho plechu s integrovan\u00fdmi upev\u0148ovac\u00edmi bodmi pre uchytenie lanka.<\/p>\n

Rozstup letiek \u2013 vzdialenos\u0165 medzi po sebe id\u00facimi letkami \u2013 ur\u010duje h\u013abku vrstvy materi\u00e1lu v \u017e\u013eabe. Pri jemn\u00fdch materi\u00e1loch (zrno, jemn\u00e9 uho\u013en\u00e9 \u010dastice, pr\u00e1\u0161ky) udr\u017eiava bli\u017e\u0161\u00ed rozstup letiek (0,5 \u2013 1 \u00d7 \u0161\u00edrka \u017e\u013eabu) rovnomern\u00fa h\u013abku materi\u00e1lu. Pri hrub\u0161\u00edch materi\u00e1loch (ve\u013ek\u00fd kamenivo, drevn\u00e1 \u0161tiepka) zni\u017euje v\u00e4\u010d\u0161\u00ed rozstup letiek (1 \u2013 2 \u00d7 \u0161\u00edrka \u017e\u013eabu) \u0165a\u017en\u00e9 za\u0165a\u017eenie re\u0165aze na let t\u00fdm, \u017ee umo\u017e\u0148uje materi\u00e1lu prirodzen\u00fd tok, namiesto toho, aby bol tla\u010den\u00fd ako pevn\u00e1 z\u00e1tka.<\/p>\n

\n
\n
Hromadn\u00fd \u0165ahac\u00ed dopravn\u00edk<\/div>\n

Materi\u00e1l vyp\u013a\u0148a cel\u00fd prierez \u017e\u013eabu. Re\u0165az a un\u00e1\u0161a\u010de sa pohybuj\u00fa pomaly (0,05 \u2013 0,2 m\/s) cez masu materi\u00e1lu. Ve\u013emi vysok\u00e1 kapacita na jednotku sily re\u0165aze. Pou\u017e\u00edva sa na: obilie, pelety, pr\u00e1\u0161ky, jemn\u00e9 uhlie. \u0164ah re\u0165aze sa vypo\u010d\u00edta z objemovej hustoty materi\u00e1lu \u00d7 prierez \u017e\u013eabu \u00d7 d\u013a\u017eka \u00d7 koeficient trenia.<\/p>\n

Po\u017eiadavka na re\u0165az:<\/strong> vysok\u00e1 nosnos\u0165, n\u00edzka hmotnos\u0165 re\u0165aze na meter, upev\u0148ovacie dosky v pravidelnom rozstupe. \u0160tandardom je in\u017einierska trieda #80H alebo #100H s \u00fachytkami K2.<\/div>\n<\/div>\n
\n
Letov\u00fd dopravn\u00edk (s otvorenou panvicou)<\/div>\n

Materi\u00e1l le\u017e\u00ed vo vrstv\u00e1ch medzi nosn\u00edkmi re\u0165aze v otvorenej panvici. Nosn\u00edky pos\u00favaj\u00fa materi\u00e1l dopredu. Mo\u017en\u00e1 vy\u0161\u0161ia r\u00fdchlos\u0165 re\u0165aze (a\u017e do 0,5 m\/s). Pou\u017e\u00edva sa na: kamenivo, drevn\u00fa \u0161tiepku, demola\u010dn\u00fd odpad, ve\u013ek\u00e9 kusov\u00e9 materi\u00e1ly. Re\u0165az je vystaven\u00e1 n\u00e1razom ve\u013ek\u00fdch kusov.<\/p>\n

Po\u017eiadavka na re\u0165az:<\/strong> Vysok\u00e1 odolnos\u0165 vo\u010di n\u00e1razom, kalen\u00e9 kontaktn\u00e9 plochy. Pre aplik\u00e1cie s ve\u013ek\u00fdmi kusmi je \u0161tandardom re\u0165az triedy #120 alebo re\u0165az s \u010dapov\u00fdm uchyten\u00edm.<\/div>\n<\/div>\n
\n
\u0160krabovac\u00ed dopravn\u00edk (podzemn\u00fd)<\/div>\n

Re\u0165az \u0165ah\u00e1 \u0161krab\u00e1ky priamo po \u017e\u013eabe alebo povrchu zeme. Re\u0165az aj \u0161krab\u00e1ky s\u00fa opotrebov\u00e1van\u00e9 prvky. Vysok\u00e9 \u0165a\u017en\u00e9 za\u0165a\u017eenie re\u0165aze z trenia materi\u00e1lu. Pou\u017e\u00edva sa pri podzemnej preprave uhlia, kameniva a rudy tam, kde v\u00fd\u0161ka prekladu br\u00e1ni pou\u017eitiu p\u00e1sov\u00fdch dopravn\u00edkov.<\/p>\n

Po\u017eiadavka na re\u0165az:<\/strong> Ve\u013emi vysok\u00e1 medzn\u00e1 pevnos\u0165, vymenite\u013en\u00e9 vonkaj\u0161ie \u010dl\u00e1nkov\u00e9 dosky, zliatina odoln\u00e1 vo\u010di opotrebovaniu. Najbe\u017enej\u0161ou \u0161pecifik\u00e1ciou je re\u0165az in\u017einierskej triedy s\u00e9rie 81X alebo 132.<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

V\u00fdpo\u010det \u0165ahu re\u0165aze pre vle\u010dn\u00e9 dopravn\u00edky: Metodika n\u00e1vrhov\u00e9ho za\u0165a\u017eenia<\/h2>\n

Prim\u00e1rnym v\u00fdpo\u010dtom n\u00e1vrhu pre ak\u00fako\u013evek re\u0165az vle\u010dn\u00e9ho dopravn\u00edka je \u0165ah re\u0165aze \u2013 \u0165ahov\u00e1 sila, ktor\u00fa mus\u00ed re\u0165az pren\u00e1\u0161a\u0165 medzi hnac\u00edm ozuben\u00fdm kolesom a vratn\u00fdm kolesom. \u0164ah re\u0165aze ur\u010duje po\u017eadovan\u00e9 medzn\u00e9 za\u0165a\u017eenie re\u0165aze (prostredn\u00edctvom kon\u0161truk\u010dn\u00e9ho bezpe\u010dnostn\u00e9ho faktora), ktor\u00fd potom ur\u010duje v\u00fdber s\u00e9rie re\u0165aze.<\/p>\n

\n
Z\u00e1kladn\u00fd vzorec na \u0165ahanie re\u0165aze \u0165ahacieho dopravn\u00edka<\/div>\n
F_celkom = F_materi\u00e1l + F_re\u0165az + F_lety + F_gradient<\/p>\n

F_material = \u03c1 \u00d7 A \u00d7 L \u00d7 g \u00d7 \u03bc_m
\nF_chain = m_c \u00d7 L \u00d7 g \u00d7 (\u03bc_c + sin \u03b8)
\nF_lety = m_f \u00d7 N_f \u00d7 g \u00d7 \u03bc_f
\nF_gradient = (\u03c1 \u00d7 A \u00d7 L + m_c \u00d7 L) \u00d7 g \u00d7 sin \u03b8<\/p><\/div>\n

\n
\u03c1<\/strong> = objemov\u00e1 hmotnos\u0165 (kg\/m\u00b3) \u00b7\u00a0 A<\/strong> = plocha prierezu \u017e\u013eabu (m\u00b2)
\nL<\/strong> = d\u013a\u017eka dopravn\u00edka (m) \u00b7\u00a0 g<\/strong> = 9,81 m\/s\u00b2
\n\u03bcm<\/strong> = koeficient trenia materi\u00e1lu na \u017e\u013eabe<\/div>\n
m_c<\/strong> = hmotnos\u0165 re\u0165aze na meter (kg\/m) \u00b7\u00a0 \u03bc_c<\/strong> = trenie re\u0165aze o \u017e\u013eab
\nm_f<\/strong> = letov\u00e1 hmotnos\u0165 (kg) \u00b7\u00a0 N_f<\/strong> = po\u010det letov
\n\u03b8<\/strong> = uhol sklonu<\/div>\n<\/div>\n<\/div>\n

Typick\u00e9 koeficienty trenia pre kon\u0161trukciu re\u0165azov\u00e9ho \u0165ahacieho dopravn\u00edka: materi\u00e1l na oce\u013eovom \u017e\u013eabe \u2014 0,4\u20130,6 pre such\u00fd kamenivo, 0,5\u20130,7 pre mokr\u00fd piesok, 0,25\u20130,35 pre zrno. Re\u0165az na oce\u013eovom \u017e\u013eabe \u2014 0,1\u20130,2 s mazan\u00edm, 0,25\u20130,35 bez mazania. Re\u0165az na plastovej vlo\u017eke odolnej vo\u010di opotrebovaniu \u2014 0,08\u20130,15. Tieto koeficienty s\u00fa dominantn\u00fdmi premenn\u00fdmi pri v\u00fdpo\u010dte \u0165ahu re\u0165aze \u2013 zmena z oce\u013eov\u00e9ho \u017e\u013eabu na vlo\u017eku z UHMW zni\u017euje \u0165ah re\u0165aze o 35\u2013451 TP3T, \u010do umo\u017e\u0148uje v\u00fdrazne men\u0161iu (a lacnej\u0161iu) s\u00e9riu re\u0165az\u00ed.<\/p>\n

Po\u017eadovan\u00e9 medzn\u00e9 za\u0165a\u017eenie re\u0165aze sa vypo\u010d\u00edta z \u0165ahu re\u0165aze: Medzn\u00e9 za\u0165a\u017eenie \u2265 F_total \u00d7 bezpe\u010dnostn\u00fd faktor. CEMA (Asoci\u00e1cia v\u00fdrobcov dopravn\u00edkov\u00fdch zariaden\u00ed) odpor\u00fa\u010da bezpe\u010dnostn\u00fd faktor 6 \u2013 8 pre \u0165ahov\u00e9 dopravn\u00edky sypk\u00fdch materi\u00e1lov \u2013 v\u00fdrazne vy\u0161\u0161\u00ed ako faktory 3 \u2013 5 pou\u017e\u00edvan\u00e9 pre \u0161tandardn\u00e9 val\u010dekov\u00e9 re\u0165aze na prenos energie. Vy\u0161\u0161\u00ed faktor zoh\u013ead\u0148uje r\u00e1zov\u00e9 a n\u00e1razov\u00e9 za\u0165a\u017eenia z kusov\u00e9ho materi\u00e1lu vstupuj\u00faceho do dopravn\u00edka, ktor\u00e9 m\u00f4\u017eu vytvori\u0165 okam\u017eit\u00e9 \u0161pi\u010dkov\u00e9 sily 2 \u2013 4-n\u00e1sobok ust\u00e1len\u00e9ho \u0165ahu re\u0165aze. Pre kamenivo s maxim\u00e1lnou ve\u013ekos\u0165ou hrudiek nad 50 mm by sa mal na F_materi\u00e1l pred vyn\u00e1soben\u00edm bezpe\u010dnostn\u00fdm faktorom pou\u017ei\u0165 faktor n\u00e1razu 1,5 \u2013 2,0.<\/p>\n

<\/p>\n

Pos\u00fadenie opotrebenia a riadenie \u017eivotnosti \u0165a\u017en\u00fdch a \u010dapov\u00fdch re\u0165az\u00ed<\/h2>\n

\u0160tandardn\u00e9 hodnotenie opotrebenia val\u010dekov\u00fdch re\u0165az\u00ed (meranie pred\u013a\u017eenia \u010dapu a puzdra) sa vz\u0165ahuje na re\u0165aze in\u017einierskej triedy pou\u017e\u00edvan\u00e9 ako pohonn\u00e9 prvky vle\u010dn\u00e9ho dopravn\u00edka. Pri \u010dapov\u00fdch re\u0165aziach je prim\u00e1rne meranie opotrebenia odli\u0161n\u00e9: preto\u017ee \u010dap (\u010dap) dosad\u00e1 priamo na bo\u010dn\u00fa liatinu liateho \u010dl\u00e1nku, meran\u00edm opotrebenia je sk\u00f4r zmen\u0161enie priemeru \u010dapu ne\u017e pred\u013a\u017eenie rozstupu \u010dl\u00e1nkov. Norma ASME B29.4 odpor\u00fa\u010da v\u00fdmenu \u010dapov\u00fdch re\u0165az\u00ed, ke\u010f sa priemer \u010dapu zmen\u0161\u00ed o viac ako 10% p\u00f4vodn\u00e9ho priemeru v ktoromko\u013evek meranom bode pozd\u013a\u017e d\u013a\u017eky re\u0165aze.<\/p>\n

\"anim\u00e1cia<\/p>\n

Priemer \u010dapu zmerajte pomocou vonkaj\u0161\u00edch posuvn\u00fdch meradiel na troch miestach pozd\u013a\u017e ka\u017ed\u00e9ho \u010dapu: v strede rozp\u00e4tia a na oboch koncoch do 10 mm od otvoru bo\u010dnej ty\u010de. Opotrebenie v strede rozp\u00e4tia indikuje prev\u00e1dzkov\u00fd kontakt s otvorom bo\u010dnej ty\u010de po\u010das prev\u00e1dzky. Opotrebenie koncov indikuje nes\u00faosos\u0165 medzi dvoma otvormi bo\u010dnej ty\u010de v susedn\u00fdch \u010dl\u00e1nkoch \u2013 znak skr\u00fatenia alebo bo\u010dn\u00e9ho za\u0165a\u017eenia re\u0165aze. Ak opotrebenie koncov presiahne opotrebenie v strede rozp\u00e4tia, re\u0165az je vystaven\u00e1 bo\u010dn\u00e9mu za\u0165a\u017eeniu, ktor\u00e9 nie je s\u00fa\u010das\u0165ou kon\u0161trukcie \u2013 skontrolujte nes\u00faosos\u0165 \u017e\u013eabu, zo\u0161ikmenie ozuben\u00e9ho kolesa a zaseknutie un\u00e1\u0161a\u010da na sten\u00e1ch \u017e\u013eabu.<\/p>\n

Pri re\u0165aziach vle\u010dn\u00fdch dopravn\u00edkov s upev\u0148ovac\u00edmi prvkami let\u00e1ku sa opotrebovanie let\u00e1ku posudzuje samostatne od opotrebenia re\u0165aze. Let\u00e1ky sa \u0165ahaj\u00fa priamo po vlo\u017ek\u00e1ch \u017e\u013eabov a opotreb\u00favaj\u00fa sa zospodu \u2013 opotrebenie spodnej plochy je vidite\u013en\u00e9 a merate\u013en\u00e9. Let\u00e1ky vyme\u0148te, ke\u010f sa spodn\u00e1 plocha opotrebuje o viac ako 50% p\u00f4vodnej v\u00fd\u0161ky ty\u010de alebo ke\u010f je profil odtokovej hrany erodovan\u00fd do takej miery, \u017ee materi\u00e1l sa kot\u00fa\u013ea po ty\u010di, namiesto toho, aby bol tla\u010den\u00fd dopredu. Re\u0165az in\u017einierskej triedy a \u0165a\u017ek\u00e1 \u0165a\u017en\u00e1 re\u0165az pre aplik\u00e1cie sypk\u00fdch materi\u00e1lov<\/a> je k dispoz\u00edcii so zodpovedaj\u00facimi \u0161pecifik\u00e1ciami uchytenia letu.<\/p>\n

<\/p>\n

V\u00fdber materi\u00e1lu \u010dapovej a \u0165a\u017enej re\u0165aze: uhl\u00edkov\u00e1 oce\u013e vs. legovan\u00e1 oce\u013e vs. liatina<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Materi\u00e1l odkazu<\/th>\nTvrdos\u0165 (HB)<\/th>\nOdolnos\u0165 vo\u010di oderu<\/th>\nOdolnos\u0165 vo\u010di n\u00e1razu<\/th>\nRelat\u00edvne n\u00e1klady<\/th>\nNajlep\u0161ia aplik\u00e1cia<\/th>\n<\/tr>\n<\/thead>\n
\u0160tandardn\u00e1 liatina<\/td>\n170 \u2013 220<\/td>\nMierne<\/td>\nN\u00edzka \u2014 krehk\u00fd lom pri n\u00e1raze<\/td>\nNajni\u017e\u0161ia<\/td>\nJemn\u00e9 materi\u00e1ly, n\u00edzky n\u00e1raz, cement (preosiaty)<\/td>\n<\/tr>\n
Temperovan\u00e1 liatina<\/td>\n180 \u2013 240<\/td>\nDobr\u00e9<\/td>\nMierne<\/td>\nN\u00edzko-stredn\u00e9<\/td>\nObilniny, uhlie, stredne kusov\u00e9 kamenivo<\/td>\n<\/tr>\n
Liata oce\u013e (tepelne spracovan\u00e1)<\/td>\n280 \u2013 360<\/td>\nVysok\u00e1<\/td>\nVysok\u00e1<\/td>\nMierne<\/td>\nKamenivo, drven\u00fd kame\u0148, kusov\u00e1 ruda<\/td>\n<\/tr>\n
Liatina s vysok\u00fdm obsahom chr\u00f3mu<\/td>\n450 \u2013 600<\/td>\nVe\u013emi vysok\u00e1<\/td>\nN\u00edzke \u2013 pou\u017e\u00edvajte iba pri n\u00edzkych r\u00e1zov\u00fdch za\u0165a\u017eeniach<\/td>\nVysok\u00e1<\/td>\nJemn\u00fd agreg\u00e1t s vysok\u00fdm obsahom kremi\u010dit\u00e9ho, sklenen\u00e9 \u010drepy, abraz\u00edvny pr\u00e1\u0161ok<\/td>\n<\/tr>\n
Legovan\u00e1 oce\u013e (kovan\u00e1)<\/td>\n300 \u2013 400<\/td>\nVysok\u00e1<\/td>\nVe\u013emi vysok\u00e1<\/td>\nVysok\u00e1<\/td>\n\u0164a\u017ek\u00e1 \u0165a\u017eba, oce\u013eov\u00fd \u0161rot, demola\u010dn\u00e9 sutiny<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Aplik\u00e1cie \u0161pecifick\u00e9 pre dan\u00e9 odvetvie v K\u00f3rei a juhov\u00fdchodnej \u00c1zii<\/h2>\n

Bet\u00f3nov\u00e9 zmesi a kamenivo.<\/strong> \u00davodn\u00fd pr\u00edklad v tomto \u010dl\u00e1nku je reprezentat\u00edvny pre najbe\u017enej\u0161ie pou\u017eitie \u010dapov\u00fdch re\u0165az\u00ed v k\u00f3rejskom priemysle \u2013 dopravn\u00edky na regener\u00e1ciu kameniva pod skladovac\u00edmi priestormi, ktor\u00e9 pres\u00favaj\u00fa drven\u00fd kame\u0148, piesok a zmie\u0161an\u00e9 kamenivo zo skladu do d\u00e1vkovacieho syst\u00e9mu. Spr\u00e1vna \u0161pecifik\u00e1cia je \u010dapov\u00e1 re\u0165az z liatej ocele radu 42 alebo 51 pre aplik\u00e1cie s drven\u00fdm kame\u0148om (maxim\u00e1lna ve\u013ekos\u0165 hrudiek 40 \u2013 60 mm, objemov\u00e1 hmotnos\u0165 1 600 \u2013 1 800 kg\/m\u00b3). Na regener\u00e1ciu jemn\u00e9ho piesku je posta\u010duj\u00faca a lacnej\u0161ia temperovan\u00e1 liatina radu 42. Ozuben\u00e9 koles\u00e1 z liatej ocele s kalen\u00fdmi zubov\u00fdmi plochami<\/a> s\u00fa pre tieto aplik\u00e1cie \u0161pecifikovan\u00e9 spolu s re\u0165azou \u2013 tvrdos\u0165 zubov ozuben\u00e9ho kolesa mus\u00ed by\u0165 prisp\u00f4soben\u00e1 tvrdosti materi\u00e1lu re\u0165aze, aby sa zabr\u00e1nilo prednostn\u00e9mu opotrebovaniu m\u00e4k\u0161ej zlo\u017eky.<\/p>\n

\"ozuben\u00e9<\/p>\n

V\u00fdroba cementu.<\/strong> K\u00f3rejsk\u00e9 cement\u00e1rne (prev\u00e1dzky Ssangyong, Asia a Hanil) pou\u017e\u00edvaj\u00fa pri manipul\u00e1cii so surovinami viacero stup\u0148ov \u0165ahac\u00edch dopravn\u00edkov, vstupn\u00e9 dopravn\u00edky do pec\u00ed a re\u0165aze chladi\u010dov slinku. Vstupn\u00fd dopravn\u00edk do cement\u00e1rne je vystaven\u00fd najn\u00e1ro\u010dnej\u0161\u00edm podmienkam \u2013 slinok pri teplote 100 \u2013 200 \u00b0C, ve\u013ek\u00e9 nepravideln\u00e9 hrudky do 80 mm a abraz\u00edvny silik\u00e1tov\u00fd prach. \u0160tandardnou \u0161pecifik\u00e1ciou pre t\u00fato poz\u00edciu je \u010dapov\u00e1 re\u0165az z liatej ocele s\u00e9rie 55 s tepelne odolnou \u010dapovou zliatinou. Vstupn\u00e1 re\u0165az do pece zvy\u010dajne pracuje pri r\u00fdchlosti 0,05 \u2013 0,15 m\/s a v dobre udr\u017eiavan\u00fdch z\u00e1vodoch sa vymie\u0148a v r\u00e1mci 2-ro\u010dn\u00e9ho pl\u00e1novan\u00e9ho cyklu \u00fadr\u017eby, na rozdiel od 6 \u2013 9 mesiacov pri \u0161tandardnej val\u010dekovej re\u0165azi in\u017einierskej triedy, ktor\u00e1 sa predt\u00fdm \u0161pecifikovala na star\u0161\u00edch zariadeniach.<\/p>\n

Kore\u010dkov\u00e9 elev\u00e1tory pre obiln\u00e9 dru\u017estv\u00e1.<\/strong> K\u00f3rejsk\u00e1 infra\u0161trukt\u00fara po\u013enohospod\u00e1rskych dru\u017estiev na skladovanie obilia vyu\u017e\u00edva hromadn\u00e9 \u0165ahacie dopravn\u00edky na horizont\u00e1lnu prepravu obilia medzi z\u00e1sobn\u00edkmi a spracovate\u013esk\u00fdmi zariadeniami. Materi\u00e1lom je obilie (objemov\u00e1 hmotnos\u0165 700 \u2013 800 kg\/m\u00b3, v porovnan\u00ed s miner\u00e1lnymi aplik\u00e1ciami v podstate neabraz\u00edvne) pri n\u00edzkych r\u00fdchlostiach re\u0165aze (0,05 \u2013 0,12 m\/s). Pre tieto aplik\u00e1cie je \u0161tandardom \u010dapov\u00e1 re\u0165az z temperovanej liatiny alebo \u0165a\u017ek\u00e1 val\u010dekov\u00e1 re\u0165az in\u017einierskej triedy s nerezov\u00fdmi upev\u0148ovac\u00edmi doskami \u2013 po\u017eiadavka na oder je n\u00edzka a dominantnou po\u017eiadavkou je ochrana proti kor\u00f3zii (pred vlhkos\u0165ou obilia a pozberov\u00fdm um\u00fdvan\u00edm).<\/p>\n

\u0164a\u017eba a dob\u00fdvanie vo Vietname a Indon\u00e9zii.<\/strong> Exportn\u00ed z\u00e1kazn\u00edci z juhov\u00fdchodnej \u00c1zie, ktor\u00ed prev\u00e1dzkuj\u00fa kamenivo a spracovanie nerastn\u00fdch surov\u00edn, tvoria v\u00fdznamn\u00fa \u010das\u0165 dod\u00e1vok \u010dapov\u00fdch re\u0165az\u00ed spolo\u010dnosti Korea Ever-Power \u2013 filip\u00ednske zariadenia na spracovanie niklov\u00e9ho lateritu, p\u00e1sov\u00e9 pod\u00e1va\u010de v indon\u00e9zskych uho\u013en\u00fdch termin\u00e1loch a vietnamsk\u00e9 regenera\u010dn\u00e9 dopravn\u00edky z cement\u00e1rn\u00ed pou\u017e\u00edvaj\u00fa \u0161pecifik\u00e1cie \u010dapov\u00fdch re\u0165az\u00ed v s\u00e9rii 51 a 55. Dodacia lehota pre \u00fadr\u017eb\u00e1rske oper\u00e1cie v juhov\u00fdchodnej \u00c1zii \u2013 zvy\u010dajne 3 \u2013 6 t\u00fd\u017ed\u0148ov pre polo\u017eky, ktor\u00e9 nie s\u00fa na sklade \u2013 znamen\u00e1, \u017ee t\u00edto z\u00e1kazn\u00edci v\u00fdrazne profituj\u00fa z k\u00f3rejsk\u00fdch skladov\u00fdch z\u00e1sob be\u017en\u00fdch s\u00e9riov\u00fdch ve\u013ekost\u00ed a rozstupov v porovnan\u00ed s 12 \u2013 20-t\u00fd\u017ed\u0148ovou dodacou lehotou pri priamom obstar\u00e1van\u00ed od v\u00fdrobcu.<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\nM\u00f4\u017ee sa namiesto \u010dapovej re\u0165aze v aplik\u00e1ci\u00e1ch s agreg\u00e1tnym \u0165ahan\u00edm pou\u017ei\u0165 val\u010dekov\u00e1 re\u0165az in\u017einierskej triedy (s\u00e9ria 94\/95)?<\/summary>\n
Pre stredne n\u00e1ro\u010dn\u00fa dopravu kameniva s jemn\u00fdm materi\u00e1lom (maxim\u00e1lna ve\u013ekos\u0165 hrudiek pod 20 mm, n\u00edzky index oderu) je prijate\u013enou alternat\u00edvou k \u010dapovej re\u0165azi val\u010dekov\u00e1 re\u0165az triedy in\u017einier (s\u00e9ria 94 alebo 95). Uzavret\u00e1 kon\u0161trukcia val\u010dekovej re\u0165aze triedy in\u017einier poskytuje lep\u0161iu odolnos\u0165 vo\u010di po\u017eieraniu jemn\u00fdch \u010dast\u00edc ako \u0161tandardn\u00e1 val\u010dekov\u00e1 re\u0165az v\u010faka v\u00e4\u010d\u0161iemu priemeru valca a u\u017e\u0161\u00edm v\u00fdrobn\u00fdm toleranci\u00e1m. Av\u0161ak pri drvenom kameni, \u0161trku alebo in\u00fdch materi\u00e1loch s vysokou abraziou s ve\u013ekos\u0165ou hrudiek nad 25 \u2013 30 mm otvoren\u00e1 kon\u0161trukcia \u010dapovej re\u0165aze trvalo prekon\u00e1va val\u010dekov\u00fa re\u0165az triedy in\u017einier, pokia\u013e ide o \u017eivotnos\u0165. Rozhoduj\u00facim bodom je abrazivita materi\u00e1lu: ak je materi\u00e1l vysoko abraz\u00edvny (miner\u00e1ly na b\u00e1ze oxidu kremi\u010dit\u00e9ho, keramika, sklo), \u010dapov\u00e1 re\u0165az je spr\u00e1vnou vo\u013ebou. Ak m\u00e1 materi\u00e1l n\u00edzku abrazivitu (obilniny, uhlie, jemn\u00e9 \u010dastice slinku), val\u010dekov\u00e1 re\u0165az triedy in\u017einier je primeran\u00e1 a lacnej\u0161ia.<\/div>\n<\/details>\n
\nAko sa ma\u017ee \u010dapov\u00e1 re\u0165az v aplik\u00e1ci\u00e1ch sypk\u00e9ho materi\u00e1lu, kde by olej kontaminoval produkt?<\/summary>\n
Vo v\u00e4\u010d\u0161ine aplik\u00e1ci\u00ed na prepravu sypk\u00fdch materi\u00e1lov s \u010dapov\u00fdmi re\u0165azami sa v mieste re\u0165azov\u00e9ho spoja nepou\u017e\u00edva konven\u010dn\u00e9 olejov\u00e9 mazanie \u2013 dopravovan\u00fd materi\u00e1l by okam\u017eite absorboval alebo kontaminoval ak\u00fdko\u013evek olej aplikovan\u00fd na re\u0165az. Kon\u0161truk\u010dn\u00e1 reakcia na toto obmedzenie spo\u010d\u00edva v maximaliz\u00e1cii po\u010diato\u010dn\u00e9ho mazania a kvality materi\u00e1lu kontaktu \u010dapu a bo\u010dnej ty\u010de: vysokokvalitn\u00e9 liate oce\u013eov\u00e9 \u010dapy s\u00fa \u0161pecifikovan\u00e9 s tvrdos\u0165ou povrchu HRC 55 \u2013 60 a otvory bo\u010dn\u00fdch ty\u010d\u00ed s\u00fa opracovan\u00e9 s presnou toleranciou a kalen\u00e9, aby sa zabezpe\u010dila \u010do najdlh\u0161ia \u017eivotnos\u0165 pri chode nasucho. V niektor\u00fdch aplik\u00e1ci\u00e1ch spracovania cementu a miner\u00e1lov sa na re\u0165az na hlave po\u010das prev\u00e1dzky nan\u00e1\u0161aj\u00fa such\u00e9 pr\u00e1\u0161kov\u00e9 maziv\u00e1 z PTFE alebo disulfidu molybd\u00e9nu \u2013 pr\u00e1\u0161kov\u00e9 mazivo je kompatibiln\u00e9 s produktom a vytv\u00e1ra hrani\u010dn\u00fa mazaciu vrstvu, ktor\u00e1 predl\u017euje \u017eivotnos\u0165 \u010dapu o 30 \u2013 501 TP3T v porovnan\u00ed s plne such\u00fdm chodom.<\/div>\n<\/details>\n
\n\u010co sp\u00f4sobuje nerovnomern\u00e9 pred\u013a\u017eenie po \u0161\u00edrke vle\u010dn\u00e9ho dopravn\u00edka \u2013 jeden prame\u0148 sa predl\u017euje r\u00fdchlej\u0161ie ako druh\u00fd?<\/summary>\n
Rozdielne pred\u013a\u017eenie medzi rovnobe\u017en\u00fdmi prame\u0148mi re\u0165aze v dvojpramennom vle\u010dnom dopravn\u00edku je sp\u00f4soben\u00e9 nerovnomern\u00fdm za\u0165a\u017een\u00edm. Tri naj\u010dastej\u0161ie pr\u00ed\u010diny s\u00fa: (1) mimostredov\u00e9 za\u0165a\u017eenie materi\u00e1lu \u2013 materi\u00e1l pad\u00e1 prednostne na jednu stranu \u017e\u013eabu, \u010d\u00edm za\u0165a\u017euje jeden prame\u0148 viac; (2) nespr\u00e1vne zarovnanie hnacieho ozuben\u00e9ho kolesa \u2013 ak dve hnacie ozuben\u00e9 koles\u00e1 nie s\u00fa v rovnakej rovine, jeden prame\u0148 obop\u00edna ozuben\u00e9 koleso s mierne v\u00e4\u010d\u0161\u00edm nap\u00e4t\u00edm; (3) odklon vratn\u00e9ho \u017e\u013eabu \u2013 ak m\u00e1 spodn\u00fd (vratn\u00fd) \u017e\u013eab bo\u010dn\u00fd sklon, gravit\u00e1cia \u0165ah\u00e1 re\u0165az smerom k spodnej strane, \u010d\u00edm sa zvy\u0161uje trecie za\u0165a\u017eenie na tomto prameni. Pred\u013a\u017eenia oboch prame\u0148ov merajte samostatne v \u0161tvr\u0165ro\u010dn\u00fdch kontroln\u00fdch intervaloch. Ak sa jeden prame\u0148 konzistentne predl\u017euje r\u00fdchlej\u0161ie, presk\u00famajte a odstr\u00e1\u0148te pr\u00ed\u010dinu predt\u00fdm, ako bude potrebn\u00e9 ho vymeni\u0165 v r\u00f4znych intervaloch. V\u00fdmena jedn\u00e9ho prame\u0148a, zatia\u013e \u010do druh\u00fd zost\u00e1va v prev\u00e1dzke, znovu vytv\u00e1ra probl\u00e9m s rozdielnym za\u0165a\u017een\u00edm.<\/div>\n<\/details>\n

<\/p>\n

\n

K dispoz\u00edcii s\u00fa \u010dapov\u00e9 re\u0165aze, \u0165a\u017en\u00e9 re\u0165aze in\u017einierskej triedy a re\u0165aze pre \u0165a\u017ek\u00e9 dopravn\u00edky<\/h2>\n

Po\u0161lite n\u00e1m d\u013a\u017eku dopravn\u00edka, \u0161\u00edrku \u017e\u013eabu, typ materi\u00e1lu, ve\u013ekos\u0165 kusov a r\u00fdchlos\u0165 re\u0165aze \u2013 na\u0161i technici pred v\u00fdrobou potvrdia spr\u00e1vnu s\u00e9riu, materi\u00e1l a konfigur\u00e1ciu uchytenia p\u00e1su.<\/p>\n

Prehliada\u0165 \u0165a\u017ek\u00e9 dopravn\u00e9 re\u0165aze<\/a>
\nVy\u017eiada\u0165 si kontrolu \u0161pecifik\u00e1cie \u010dapovej re\u0165aze<\/a><\/div>\n<\/div>\n<\/div>\n

Redaktor: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Manipul\u00e1cia so sypk\u00fdm materi\u00e1lom Cement \u00b7 Kamenivo \u00b7 Obilie \u00b7 \u0164a\u017eobn\u00e9 \u010dapov\u00e9 re\u0165aze a \u0165a\u017en\u00e9 re\u0165aze: \u0160pecifik\u00e1cia a pou\u017eitie pre dopravu \u0165a\u017ek\u00fdch sypk\u00fdch materi\u00e1lov \u0160tandardn\u00e1 val\u010dekov\u00e1 re\u0165az nie je navrhnut\u00e1 pre podmienky, ktor\u00e9 dominuj\u00fa pri doprave sypk\u00fdch materi\u00e1lov \u2013 priamy kontakt s abraz\u00edvnym materi\u00e1lom, \u0165ahov\u00e9 za\u0165a\u017eenie \u017e\u013eabu, vysok\u00e9 r\u00e1zy z ve\u013ek\u00fdch kusov a takmer nepretr\u017eit\u00e1 prev\u00e1dzka [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[6634],"tags":[78,69],"class_list":["post-3314","post","type-post","status-publish","format-standard","hentry","category-chain-sprocket","tag-chain-sprocket","tag-sprocket-china"],"_links":{"self":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts\/3314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/comments?post=3314"}],"version-history":[{"count":1,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts\/3314\/revisions"}],"predecessor-version":[{"id":3315,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/posts\/3314\/revisions\/3315"}],"wp:attachment":[{"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/media?parent=3314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/categories?post=3314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sprocket-chain.net\/sk\/wp-json\/wp\/v2\/tags?post=3314"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}