{"id":1063,"date":"2026-06-23T06:02:42","date_gmt":"2026-06-23T06:02:42","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1063"},"modified":"2026-06-23T06:02:42","modified_gmt":"2026-06-23T06:02:42","slug":"track-drive-planetary-gearbox-for-surface-miners","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/sk\/track-drive-planetary-gearbox-for-surface-miners\/","title":{"rendered":"Plan\u00e9tov\u00e1 prevodovka s p\u00e1sov\u00fdm pohonom pre povrchov\u00e9 ban\u00edctvo"},"content":{"rendered":"
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\"Plan\u00e9tov\u00e1<\/p>\n
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Aplika\u010dn\u00e9 in\u017einierstvo<\/span>
\nPovrchov\u00e9 \u0165a\u017eby \u00b7 Nepretr\u017eit\u00e1 \u0165a\u017eba<\/span><\/div>\n

Plan\u00e9tov\u00e1 prevodovka s p\u00e1sov\u00fdm pohonom pre povrchov\u00e9 bane \u2013 200 ton pri nepretr\u017eitom \u0165a\u017ebe pevnou horninou<\/h1>\n

\u017diadne v\u0155tanie. \u017diadne trhacie pr\u00e1ce. \u017diadne sekund\u00e1rne drvenie v porube. Povrchov\u00e1 \u0165a\u017eba nahr\u00e1dza v\u0161etky tri oper\u00e1cie jedn\u00fdm strojom, ktor\u00fd sa pos\u00fava dopredu a \u0165a\u017e\u00ed miner\u00e1l priamo z lo\u017eiska \u2013 a plan\u00e9tov\u00e1 prevodovka s pohonom p\u00e1sov<\/strong> To, \u010do tento 200-tonov\u00fd stroj vylep\u0161uje, mus\u00ed udr\u017eiava\u0165 tak\u00fa presn\u00fa r\u00fdchlos\u0165 posuvu, aby narezan\u00fd produkt sp\u013a\u0148al \u0161pecifikovan\u00fa ve\u013ekos\u0165 bez \u010fal\u0161ieho spracovania.<\/p>\n

Prehliada\u0165 plan\u00e9tov\u00e9 prevodovky s pohonom p\u00e1sov \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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\u010co rob\u00ed p\u00e1sov\u00fd pohon povrchov\u00e9ho bansk\u00e9ho stroja jedine\u010dn\u00fdm v celom odvetv\u00ed strojov<\/h2>\n

Povrchov\u00fd \u0165a\u017eobn\u00fd stroj (tie\u017e naz\u00fdvan\u00fd kontinu\u00e1lny povrchov\u00fd \u0165a\u017eobn\u00fd stroj alebo horninov\u00fd reza\u010d) je p\u00e1sov\u00fd stroj s vlastn\u00fdm pohonom a prie\u010dnym rezn\u00fdm bubnom namontovan\u00fdm pod telom stroja. Pri pohybe stroja sa bubon ot\u00e1\u010da a re\u017ee miner\u00e1l alebo horninu do h\u013abky 200 a\u017e 650 mm na jeden prechod, pri\u010dom narezan\u00fd materi\u00e1l naklad\u00e1 na dopravn\u00edk, ktor\u00fd ho vyklad\u00e1 do strany alebo dozadu. plan\u00e9tov\u00e1 prevodovka s pohonom p\u00e1sov<\/a> ktor\u00fd poh\u00e1\u0148a tento pokrok, \u010del\u00ed kombin\u00e1cii po\u017eiadaviek, s ktor\u00fdmi sa nestret\u00e1va \u017eiadny in\u00fd p\u00e1sov\u00fd stroj:<\/p>\n

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Naj\u0165a\u017e\u0161ia aplik\u00e1cia samohybn\u00e9ho p\u00e1sov\u00e9ho pohonu<\/div>\n

Ve\u013ek\u00e9 povrchov\u00e9 \u0165a\u017eobn\u00e9 stroje v\u00e1\u017eia 100 a\u017e 230 ton \u2013 s\u00fa \u0165a\u017e\u0161ie ako v\u00e4\u010d\u0161ina p\u00e1sov\u00fdch \u017eeriavov a porovnate\u013en\u00e9 s najv\u00e4\u010d\u0161\u00edmi bansk\u00fdmi buldoz\u00e9rmi. Na rozdiel od buldoz\u00e9ra (ktor\u00fd tla\u010d\u00ed kr\u00e1tke priechody) sa v\u0161ak povrchov\u00fd \u0165a\u017eobn\u00fd stroj pohybuje kontinu\u00e1lne stovky metrov reznou r\u00fdchlos\u0165ou. Pohony p\u00e1sov podopieraj\u00fa t\u00fato hmotnos\u0165 s trval\u00fdm takmer maxim\u00e1lnym kr\u00fatiacim momentom po celej d\u013a\u017eke rezan\u00e9ho materi\u00e1lu.<\/p>\n<\/div>\n

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R\u00fdchlos\u0165 posuvu ur\u010duje ve\u013ekos\u0165 produktu<\/div>\n

R\u00fdchlos\u0165 rezacieho bubna je pevne dan\u00e1 ot\u00e1\u010dkami motora. Ve\u013ekos\u0165 \u00falomkov produktu je ur\u010den\u00e1 r\u00fdchlos\u0165ou posunu \u2013 o ko\u013eko sa stroj posunie dopredu medzi po sebe id\u00facimi z\u00e1bermi zubov bubna. Pr\u00edli\u0161 r\u00fdchlo: \u00falomky nadrozmernej ve\u013ekosti, ktor\u00e9 presahuj\u00fa \u0161pecifik\u00e1ciu. Pr\u00edli\u0161 pomaly: nadmern\u00e9 mno\u017estvo prachu a jemn\u00fdch \u010dast\u00edc, ktor\u00e9 zni\u017euj\u00fa v\u00fd\u0165a\u017enos\u0165 z\u00edskate\u013en\u00e9ho produktu. Pohon p\u00e1su mus\u00ed udr\u017eiava\u0165 r\u00fdchlos\u0165 posuvu v rozmedz\u00ed \u00b15% od cie\u013ea, aby sa splnilo okno ve\u013ekosti produktu.<\/p>\n<\/div>\n

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18 a\u017e 22 hod\u00edn denne v kamennom prachu<\/div>\n

Povrchov\u00e9 \u0165a\u017eobn\u00e9 stroje pracuj\u00fa takmer nepretr\u017eite \u2013 zastavuj\u00fa sa iba na striedanie zmien, v\u00fdmenu zubov a doplnenie paliva. Pohony p\u00e1sov be\u017eia v nepretr\u017eitom oblaku jemn\u00e9ho kamenn\u00e9ho prachu, ktor\u00fd je abraz\u00edvnej\u0161\u00ed ako ak\u00e1ko\u013evek pr\u00edrodn\u00e1 p\u00f4da. Tento prach prenik\u00e1 do ka\u017ed\u00e9ho tesnenia, ka\u017ed\u00e9ho priedu\u0161n\u00e9ho otvoru a ka\u017edej medzery v kryte \u2013 v\u010faka \u010domu je povrchov\u00fd \u0165a\u017eobn\u00fd stroj najagres\u00edvnej\u0161\u00edm prostred\u00edm na pohlcovanie prachu pre ak\u00fdko\u013evek pohon p\u00e1sov na svete.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Reak\u010dn\u00e1 sila rezn\u00e9ho bubna \u2013 trval\u00e9 za\u0165a\u017eenie, ktor\u00e9 zni\u017euje valiv\u00fd odpor<\/h2>\n

Rezac\u00ed bubon na ve\u013ekom povrchovom ban\u00ed je poh\u00e1\u0148an\u00fd vyhraden\u00fdm motorom s v\u00fdkonom 500 a\u017e 1 200 kW. Ke\u010f zuby bubna zasahuj\u00fa do horniny, horizont\u00e1lna reak\u010dn\u00e1 sila tla\u010d\u00ed stroj dozadu \u2013 presne ako pri ryhova\u010di, ale s 3 a\u017e 10-n\u00e1sobnou ve\u013ekos\u0165ou sily, preto\u017ee bubon re\u017ee pevn\u00fa horninu na \u0161\u00edrku 2,2 a\u017e 4,2 metra v h\u013abke 200 a\u017e 650 mm.<\/p>\n

\n\n\n\n\n\n\n
Trieda stroja<\/th>\nHmotnos\u0165 (t)<\/th>\nV\u00fdkon bubna (kW)<\/th>\nReakcia bubna (kN)<\/th>\nR\u00fdchlos\u0165 posuvu<\/th>\nKr\u00fatiaci moment\/strana trate<\/th>\n<\/tr>\n<\/thead>\n
Stredn\u00fd (bubon 2200 mm)<\/td>\n100 \u2013 140<\/td>\n500 \u2013 700<\/td>\n200 \u2013 350<\/td>\n5 \u2013 25 m\/min<\/td>\n60 000 \u2013 110 000 Nm<\/td>\n<\/tr>\n
Ve\u013ek\u00fd (bubon 3800 mm)<\/td>\n180 \u2013 230<\/td>\n800 \u2013 1 200<\/td>\n350 \u2013 600<\/td>\n3 \u2013 18 m\/min<\/td>\n120 000 \u2013 200 000 Nm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Reakcia bubna dominuje e\u0161te viac ako u ryhova\u010dov:<\/strong> Na 200-tonovom povrchovom banskom stroji, ktor\u00fd \u0165a\u017e\u00ed v\u00e1penec v h\u013abke 400 mm, je reak\u010dn\u00e1 sila bubna 400 kN (200 kN na p\u00e1s). Valiv\u00fd odpor pri 4% na zhutnenom stole je 200 000 x 9,81 x 0,04 \/ 2 = 39 240 N na p\u00e1s. Reakcia bubna (200 000 N) je 5,1-kr\u00e1t<\/strong> valiv\u00fd odpor \u2013 \u010do znamen\u00e1, \u017ee rezn\u00fd n\u00e1stroj, a nie hmotnos\u0165 stroja, ur\u010duje 84% kr\u00fatiaceho momentu pohonu p\u00e1su. Pohon p\u00e1su dimenzovan\u00fd len na hmotnos\u0165 stroja by bol 5-kr\u00e1t poddimenzovan\u00fd.<\/p>\n<\/div>\n<\/section>\n

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R\u00fdchlos\u0165 posuvu a kvalita produktu \u2013 priame prepojenie medzi presnos\u0165ou pohonu p\u00e1sov a pr\u00edjmami<\/h2>\n

Na rozdiel od v\u0161etk\u00fdch ostatn\u00fdch aplik\u00e1ci\u00ed s pohonom p\u00e1sov \u2013 kde presnos\u0165 r\u00fdchlosti ovplyv\u0148uje iba v\u00fdkon stroja \u2013 r\u00fdchlos\u0165 posuvu povrchov\u00e9ho dolovacieho stroja priamo ovplyv\u0148uje hodnotu \u0165a\u017een\u00e9ho produktu. Je to preto, \u017ee ve\u013ekos\u0165 \u00falomkov produkovan\u00fdch rezac\u00edm bubnom je funkciou dvoch premenn\u00fdch: r\u00fdchlosti bubna (pevn\u00e1) a r\u00fdchlosti posunu stroja (riadenej pohonom p\u00e1sov).<\/p>\n

\"SE402T2<\/p>\n

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Pr\u00edli\u0161 r\u00fdchle pod\u00e1vanie \u2192 Nadmerne ve\u013ek\u00fd produkt<\/div>\n

Ka\u017ed\u00fd zub bubna re\u017ee hrub\u0161iu triesku. Fragmenty presahuj\u00fa cie\u013eov\u00fa \u0161pecifik\u00e1ciu ve\u013ekosti. Nadmerne ve\u013ek\u00fd materi\u00e1l vy\u017eaduje sekund\u00e1rne drvenie \u2013 pridanie kroku spracovania, ktor\u00fd mal povrchov\u00fd \u0165a\u017eobn\u00fd stroj eliminova\u0165. N\u00e1klady na sekund\u00e1rne drvenie m\u00f4\u017eu predstavova\u0165 15 a\u017e 251 TP3T \u00faspory paliva, ktor\u00e1 by od\u00f4vod\u0148ovala pou\u017eitie povrchov\u00e9ho \u0165a\u017eobn\u00e9ho stroja namiesto v\u0155tania a trhania.<\/p>\n<\/div>\n

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Pr\u00edli\u0161 pomal\u00e9 pod\u00e1vanie \u2192 Nadmern\u00e9 jemn\u00e9 l\u00e1tky<\/div>\n

Ka\u017ed\u00fd zub znovu prere\u017ee u\u017e rozdrven\u00fd materi\u00e1l, \u010d\u00edm produkuje prach a jemn\u00e9 \u010dastice men\u0161ie ako minim\u00e1lna u\u017eito\u010dn\u00e1 ve\u013ekos\u0165. V \u0165a\u017ebe uhlia nadmern\u00e9 jemn\u00e9 \u010dastice zni\u017euj\u00fa v\u00fd\u0165a\u017enos\u0165 predajn\u00e9ho produktu o 5 a\u017e 151 TP3T. V kamennej v\u00fdrobe maj\u00fa jemn\u00e9 \u010dastice pod 4 mm jednu desatinu hodnoty cie\u013eovej frakcie s ve\u013ekos\u0165ou 20 a\u017e 40 mm. Ka\u017ed\u00e9 percento podkro\u010denia r\u00fdchlosti posuvu stoj\u00ed tr\u017eby.<\/p>\n<\/div>\n

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K\u0155mte presne tak, ako m\u00e1 by\u0165 \u2192 Produkt s priamou prepravou<\/div>\n

Pri spr\u00e1vnej r\u00fdchlosti posuvu spad\u00e1 70 a\u017e 851 TP3T rezan\u00e9ho materi\u00e1lu do cie\u013eov\u00e9ho okna ve\u013ekosti \u2013 a mo\u017eno ho nalo\u017ei\u0165 priamo na n\u00e1kladn\u00e9 vozidl\u00e1 bez sekund\u00e1rneho spracovania. T\u00e1to schopnos\u0165 \u201erezania na mieru\u201c je hlavnou ekonomickou v\u00fdhodou povrchovej \u0165a\u017eby oproti v\u0155taniu a trhaniu. Pohon p\u00e1su, ktor\u00fd udr\u017eiava konzistentnos\u0165 r\u00fdchlosti posuvu \u00b151 TP3T, je komponentom, ktor\u00fd t\u00fato v\u00fdhodu prin\u00e1\u0161a.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Dimenzovanie pohonu p\u00e1sov pre ve\u013ek\u00fd povrchov\u00fd ban\u00edk<\/h2>\n
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Pohon p\u00e1sov povrchov\u00e9ho bansk\u00e9ho stroja \u2014 200 t stroj, 900 kW bubon, v\u00e1penec v h\u013abke 400 mm<\/div>\n
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Vzh\u013eadom na:<\/div>\n
\u00a0\u00a0Hmotnos\u0165 stroja: 200 000 kg<\/div>\n
\u00a0\u00a0Pohony p\u00e1sov: 2<\/div>\n
\u00a0\u00a0Rozmery ozuben\u00e9ho kolesa: 800 mm (r = 0,4 m)<\/div>\n
\u00a0\u00a0Reak\u010dn\u00e1 sila bubna (v\u00e1penec, 400 mm): celkovo 400 000 N<\/div>\n
\u00a0\u00a0Valiv\u00fd odpor (zhutnen\u00e1 sk\u00fa\u0161obn\u00e1 lavica, 4%): na ko\u013eaj<\/div>\n
\u00a0\u00a0Stupe\u0148: 0% (rovn\u00e1 plo\u0161ina \u2013 povrchov\u00ed ban\u00edci nelez\u00fa)<\/div>\n
Krok 1 \u2013 Reakcia bic\u00edch na skladbu:<\/div>\n
\u00a0\u00a0F_bubon = 400 000 \/ 2 = 200 000 N na ko\u013eaj<\/strong><\/div>\n
Krok 2 \u2013 Valiv\u00fd odpor na tra\u0165:<\/div>\n
\u00a0\u00a0F_roll = (200 000 x 9,81 x 0,04) \/ 2 = 39 240 N<\/strong><\/div>\n
Krok 3 \u2013 Celkov\u00fd trval\u00fd kr\u00fatiaci moment na dr\u00e1hu:<\/div>\n
\u00a0\u00a0T = (200 000 + 39 240) x 0,4 = 95 696 Nm trval\u00e9ho kr\u00fatiaceho momentu<\/strong><\/div>\n
Krok 4 \u2013 Pou\u017eite SF = 1,75 (trval\u00e9 rezanie, premenliv\u00e1 tvrdos\u0165 horniny):<\/div>\n
\u00a0\u00a0Po\u017eadovan\u00e1_T = 95 696 x 1,75 = Minim\u00e1lny trval\u00fd kr\u00fatiaci moment 167 468 Nm<\/strong><\/div>\n
\u2192 Reakcia bubna je 84% celkovej sily \u2013 dominuje n\u00e1stroj, nie hmotnos\u0165<\/div>\n
\u2192 Pohon p\u00e1sov Korea Ever-Power 180 000 Nm pri pomere 150:1 \u2714<\/div>\n<\/div>\n<\/div>\n

Pri kr\u00fatiacom momente 180 000 Nm na p\u00e1s sa pohon p\u00e1sov povrchov\u00e9ho ban\u00edka bl\u00ed\u017ei k kr\u00fatiacemu momentu najv\u00e4\u010d\u0161ieho Plan\u00e9tov\u00e1 prevodovka Ever-Power od K\u00f3rey<\/a> katal\u00f3gov\u00e9 modely. Pre najv\u00e4\u010d\u0161ie povrchov\u00e9 \u0165a\u017eobn\u00e9 stroje (230+ ton, bubon 1 200 kW) m\u00f4\u017eu by\u0165 potrebn\u00e9 dvojit\u00e9 pohony p\u00e1sov na ka\u017edej strane alebo z\u00e1kazkov\u00e9 kon\u0161truk\u010dn\u00e9 rie\u0161enia nad r\u00e1mec \u0161tandardn\u00e9ho katal\u00f3gu.<\/p>\n<\/section>\n

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Po\u017eitie prachu \u2013 najabraz\u00edvnej\u0161ie prostredie, s ak\u00fdm sa stretnete na trati<\/h2>\n

Kamenn\u00fd prach z rezacieho bubna obaluje cel\u00fd stroj. Pohony p\u00e1sov, namontovan\u00e9 na \u00farovni zeme za rezac\u00edm bubnom, pracuj\u00fa v nepretr\u017eitej vzdu\u0161nej suspenzii \u010dast\u00edc s ve\u013ekos\u0165ou 10 a\u017e 100 mikr\u00f3nov \u2013 \u010dast\u00edc dostato\u010dne mal\u00fdch na to, aby obi\u0161li \u0161tandardn\u00e9 odvzdu\u0161\u0148ovacie otvory, a dostato\u010dne ve\u013ek\u00fdch na to, aby obrusovali zuby ozuben\u00fdch kolies a lo\u017eiskov\u00e9 povrchy, ak sa dostan\u00fa do olejov\u00e9ho k\u00fape\u013ea.<\/p>\n

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Koncentr\u00e1cia prachu na \u00farovni ko\u013eaj\u00ed<\/div>\n

Koncentr\u00e1cia prachu vo vzduchu na povrchu krytu pohonu p\u00e1sov po\u010das rezania: 500 a\u017e 5 000 mg\/m3 \u2013 50 a\u017e 500-n\u00e1sobok limitu expoz\u00edcie pre respirabiln\u00fd prach na pracovisku. Nejde o pr\u00edle\u017eitostn\u00fa expoz\u00edciu; je kontinu\u00e1lna po\u010das ka\u017edej hodiny rezania. Prach pozost\u00e1va z \u010derstvo rozl\u00e1man\u00fdch \u010dast\u00edc horn\u00edn s ostr\u00fdmi, hranami \u2013 ove\u013ea abraz\u00edvnej\u0161\u00edch ako zvetran\u00e9 \u010dastice prirodzenej p\u00f4dy rovnakej ve\u013ekosti.<\/p>\n<\/div>\n

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Miera kontamin\u00e1cie olejom bez ochrany<\/div>\n

\u0160tandardn\u00fd odvzdu\u0161\u0148ovac\u00ed ventil na p\u00e1sovom pohone v povrchovej \u0165a\u017ebe prep\u00fa\u0161\u0165a 50 a\u017e 200 mg horninov\u00e9ho prachu za hodinu do olejov\u00e9ho k\u00fape\u013ea prostredn\u00edctvom norm\u00e1lneho tepeln\u00e9ho d\u00fdchania. Po\u010das 500-hodinov\u00e9ho intervalu v\u00fdmeny oleja je nahromaden\u00e1 hmotnos\u0165 prachu 25 a\u017e 100 gramov \u2013 \u010do sta\u010d\u00ed na zv\u00fd\u0161enie po\u010dtu \u010dast\u00edc oleja nad normu ISO 22\/20\/17 a do rozsahu, kde sa \u017eivotnos\u0165 lo\u017eiska skracuje o 50 a\u017e 70%. Tlakov\u00e9, filtrovan\u00e9 odvzdu\u0161\u0148ovacie syst\u00e9my zni\u017euj\u00fa po\u017eitie na menej ako 5 mg za hodinu \u2013 \u010d\u00edm sa \u010distota oleja predl\u017euje na prijate\u013en\u00fa \u00farove\u0148 po\u010das cel\u00e9ho intervalu v\u00fdmeny.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\"Plan\u00e9tov\u00e1<\/p>\n

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Tri re\u017eimy poruchy \u0161pecifick\u00e9 pre pohony p\u00e1sov povrchov\u00fdch ban\u00ed<\/h2>\n
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1<\/div>\n
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Zr\u00fdchlen\u00e9 opotrebovanie ozuben\u00fdch kolies a lo\u017e\u00edsk v d\u00f4sledku kontamin\u00e1cie kamenn\u00fdm prachom<\/div>\n

Dominantn\u00fd sp\u00f4sob poruchy. Jemn\u00fd horninov\u00fd prach (10 a\u017e 100 mikr\u00f3nov, hranat\u00fd, \u010derstvo rozlomen\u00fd) vstupuje do olejov\u00e9ho k\u00fape\u013ea cez rozhrania odvzdu\u0161\u0148ova\u010da a tesnenia. Po rozpt\u00fdlen\u00ed v oleji tieto \u010dastice p\u00f4sobia ako s\u00favisl\u00e1 lapovacia zmes na ka\u017edom povrchu zuba ozuben\u00e9ho kolesa, ka\u017edej obe\u017enej dr\u00e1he lo\u017eiska a ka\u017edej ploche tesnenia. Miera opotrebenia pri prev\u00e1dzke povrchov\u00e9ho ban\u00edctva je 3 a\u017e 8-kr\u00e1t vy\u0161\u0161ia ako pri prev\u00e1dzke r\u00fdpadla na \u010distom stavenisku pri rovnakom kr\u00fatiacom momente \u2013 nie preto, \u017ee by kr\u00fatiaci moment bol in\u00fd, ale preto, \u017ee olej je kontaminovan\u00fd od prvej hodiny prev\u00e1dzky.<\/p>\n

Prevencia: Tlakov\u00fd filtrovan\u00fd odvzdu\u0161\u0148ova\u010d (povinn\u00fd). V\u00fdmena oleja po 500 hodin\u00e1ch (nie po 1 000 a viac hodin\u00e1ch). Odber vzoriek oleja pri ka\u017edej v\u00fdmene \u2013 vyme\u0148te pohon p\u00e1sov, ke\u010f koncentr\u00e1cia \u017eelezn\u00fdch \u010dast\u00edc prekro\u010d\u00ed 200 ppm a m\u00e1 st\u00fapaj\u00faci trend.<\/div>\n<\/div>\n<\/div>\n
\n
2<\/div>\n
\n
Trval\u00e9 tepeln\u00e9 za\u0165a\u017eenie z takmer nepretr\u017eitej prev\u00e1dzky pri vysokom kr\u00fatiacom momente<\/div>\n

Povrchov\u00e9 \u0165a\u017eobn\u00e9 stroje pracuj\u00fa 18 a\u017e 22 hod\u00edn denne. Pri kr\u00fatiacom momente 167 000 Nm, ktor\u00fd je udr\u017eiavan\u00fd trojstup\u0148ovou plan\u00e9tovou prevodovkou s \u00fa\u010dinnos\u0165ou 94%, je nepretr\u017eit\u00fd tepeln\u00fd pr\u00edkon zna\u010dn\u00fd \u2013 porovnate\u013en\u00fd s buldoz\u00e9rom pri nepretr\u017eitom tla\u010den\u00ed, ale po dobu 3 a\u017e 4-kr\u00e1t dlh\u0161iu ako denn\u00fa dobu. Teplota oleja v pohone p\u00e1sov sa po\u010das rezania stabilizuje na 80 a\u017e 100 stup\u0148och Celzia \u2013 a zost\u00e1va na tejto \u00farovni po\u010das celej zmeny bez tepelnej \u00fa\u013eavy, ktor\u00fa dost\u00e1vaj\u00fa skl\u00e1pa\u010de pri spiato\u010dn\u00fdch cest\u00e1ch s pr\u00e1zdnym motorom alebo bagre po\u010das prestojov pri kopan\u00ed.<\/p>\n

Prevencia: Pre povrchov\u00e9 ban\u00edcke pr\u00e1ce bansk\u00e9ho typu \u0161pecifikujte pohony p\u00e1sov s extern\u00fdmi otvormi na chladenie oleja. Pou\u017e\u00edvajte syntetick\u00fd prevodov\u00fd olej 75W-90. Neust\u00e1le monitorujte teplotu oleja \u2013 maxim\u00e1lny prev\u00e1dzkov\u00fd limit 100 stup\u0148ov Celzia.<\/div>\n<\/div>\n<\/div>\n
\n
3<\/div>\n
\n
Nestabilita r\u00fdchlosti posuvu v d\u00f4sledku rastu v\u00f4le, \u010do zni\u017euje kvalitu produktu<\/div>\n

Ke\u010f sa zuby ozuben\u00fdch kolies opotreb\u00favaj\u00fa v d\u00f4sledku kontamin\u00e1cie prachom a trval\u00e9ho za\u0165a\u017eenia, v\u00f4\u013ea sa zvy\u0161uje. Zvy\u0161uj\u00faca sa v\u00f4\u013ea sp\u00f4sobuje kol\u00edsanie r\u00fdchlosti posuvu po\u010das zmien tvrdosti horn\u00edn \u2013 stroj sa prudko pohne dopredu, ke\u010f vst\u00fapi do m\u00e4kkej z\u00f3ny (prevzatie v\u00f4le ur\u00fdch\u013euje odozvu) a v\u00e1ha, ke\u010f vst\u00fapi do tvrdej z\u00f3ny (v\u00f4\u013ea oneskoruje prenos kr\u00fatiaceho momentu). Tieto kol\u00edsania, nevidite\u013en\u00e9 pre obsluhu, vytv\u00e1raj\u00fa striedaj\u00face sa p\u00e1sy nadrozmern\u00e9ho a podrozmern\u00e9ho produktu v rezanej ploche \u2013 vidite\u013en\u00e9 na v\u00fdstupe z dopravn\u00edka, ale pripisovate\u013en\u00e9 iba meraniu v\u00f4le pohonu p\u00e1su.<\/p>\n

Prevencia: Merajte v\u00f4\u013eu pohonu p\u00e1sov po ka\u017ed\u00fdch 1 000 hodin\u00e1ch prev\u00e1dzky. Vyme\u0148te, ke\u010f v\u00f4\u013ea presiahne 1,5-n\u00e1sobok dodanej hodnoty. Sledujte trend distrib\u00facie ve\u013ekosti produktu ako nepriamy indik\u00e1tor stavu pohonu.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\"Testovacie<\/p>\n

Plan\u00e9tov\u00e1 prevodovka s p\u00e1sov\u00fdm pohonom pre povrchov\u00e9 bane \u2013 \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\n

Ako sa porovn\u00e1va kr\u00fatiaci moment pohonu p\u00e1sov povrchov\u00e9ho ban\u00edka s buldoz\u00e9rom podobnej hmotnosti?<\/h3>\n

200-tonov\u00fd povrchov\u00fd \u0165a\u017eobn\u00fd stroj potrebuje pribli\u017ene 167 000 Nm na p\u00e1s \u2013 podobne ako bansk\u00fd buldoz\u00e9r triedy D10\/D11 s kr\u00fatiacim momentom 150 000 a\u017e 255 000 Nm. Povrchov\u00fd \u0165a\u017eobn\u00fd stroj v\u0161ak generuje 841 TP3T tohto kr\u00fatiaceho momentu z reakcie rezn\u00e9ho bubna (ktorej buldoz\u00e9r ne\u010del\u00ed) a iba 161 TP3T z valiv\u00e9ho odporu. Buldoz\u00e9r generuje 1001 TP3T svojho kr\u00fatiaceho momentu z tla\u010denia radlice a valiv\u00e9ho odporu. Technick\u00fd d\u00f4sledok: pohon p\u00e1sov povrchov\u00e9ho \u0165a\u017eobn\u00e9ho stroja mus\u00ed absorbova\u0165 trval\u00e9 kol\u00edsanie kr\u00fatiaceho momentu z premenlivej tvrdosti horniny (\u00b120 a\u017e 301 TP3T z rezn\u00e9ho n\u00e1stroja), zatia\u013e \u010do kr\u00fatiaci moment buldoz\u00e9ra je relat\u00edvne kon\u0161tantn\u00fd. Kol\u00edsav\u00e9 za\u0165a\u017eenie sp\u00f4sobuje \u00fanavu kontaktu zubov ozuben\u00e9ho kolesa r\u00fdchlej\u0161ie ako kon\u0161tantn\u00e9 za\u0165a\u017eenie s rovnakou priemernou hodnotou.<\/p>\n<\/div>\n

\n

Ak\u00e1 je typick\u00e1 \u017eivotnos\u0165 p\u00e1sov\u00e9ho pohonu povrchov\u00e9ho ban\u00edka?<\/h3>\n

4 000 a\u017e 8 000 prev\u00e1dzkov\u00fdch hod\u00edn \u2013 krat\u0161ie ako pri pohonoch p\u00e1sov r\u00fdpadiel (8 000 a\u017e 12 000 hod\u00edn) napriek podobn\u00fdm kr\u00fatiacim momentom. Skr\u00e1tenie \u017eivotnosti je sp\u00f4soben\u00e9 tromi faktormi: (1) kontamin\u00e1cia horninov\u00fdm prachom ur\u00fdch\u013euje opotrebovanie 3 a\u017e 8-kr\u00e1t, (2) 18 a\u017e 22-hodinov\u00fd denn\u00fd prev\u00e1dzkov\u00fd cyklus akumuluje \u00fanavu materi\u00e1lu r\u00fdchlej\u0161ie za kalend\u00e1rny de\u0148 a (3) kol\u00edsanie kr\u00fatiaceho momentu v d\u00f4sledku premenlivej tvrdosti horniny sp\u00f4sobuje kontaktn\u00fa \u00fanavu materi\u00e1lu nad r\u00e1mec toho, \u010do by sp\u00f4sobilo ust\u00e1len\u00e9 za\u0165a\u017eenie. Riadenie oleja \u2013 pretlakov\u00e9 odvzdu\u0161\u0148ova\u010de, v\u00fdmena oleja ka\u017ed\u00fdch 500 hod\u00edn a monitorovanie \u010dast\u00edc oleja \u2013 je najefekt\u00edvnej\u0161\u00edm z\u00e1sahom na pred\u013a\u017eenie \u017eivotnosti pohonu p\u00e1sov povrchov\u00fdch ban\u00ed.<\/p>\n<\/div>\n

\n

Pre\u010do je interval v\u00fdmeny oleja na povrchov\u00fdch baniach krat\u0161\u00ed ako na bagroch?<\/h3>\n

Po\u017eitie horninov\u00e9ho prachu. Aj pri pou\u017eit\u00ed pretlakov\u00fdch odvzdu\u0161\u0148ova\u010dov sa v pohone p\u00e1sov povrchov\u00e9ho ba\u0148a nahromad\u00ed 2 a\u017e 5 gramov horninov\u00e9ho prachu za 500 hod\u00edn prev\u00e1dzky \u2013 \u010do sta\u010d\u00ed na zn\u00ed\u017eenie \u010distoty oleja pod minim\u00e1lnu po\u017eiadavku v\u00fdrobcu lo\u017e\u00edsk. Po 1 000 hodin\u00e1ch (\u0161tandardn\u00fd interval r\u00fdpadla) sa hmotnos\u0165 prachu zdvojn\u00e1sob\u00ed na 4 a\u017e 10 gramov a skr\u00e1tenie \u017eivotnosti lo\u017eiska v d\u00f4sledku kontaminovan\u00e9ho oleja dosiahne 50 a\u017e 701 TP3T. Interval v\u00fdmeny 500 hod\u00edn udr\u017eiava olej v prijate\u013en\u00fdch medziach \u010distoty pre \u017eivotnos\u0165 lo\u017eiska. Pri niektor\u00fdch prev\u00e1dzkach s\u00fa pre obzvl\u00e1\u0161\u0165 pra\u0161n\u00e9 materi\u00e1ly (napr. kremi\u010dit\u00fd piesok, \u017eula) stanoven\u00e9 intervaly 250 hod\u00edn.<\/p>\n<\/div>\n

\n

Ako ovplyv\u0148uje p\u00e1sov\u00fd pohon kvalitu \u0165a\u017een\u00e9ho produktu?<\/h3>\n

Priamo. R\u00fdchlos\u0165 rezacieho bubna je pevne stanoven\u00e1; ve\u013ekos\u0165 \u00falomkov produktu je \u00famern\u00e1 r\u00fdchlosti posunu stroja. Pohon p\u00e1su riadi t\u00fato r\u00fdchlos\u0165 posunu. Zmena r\u00fdchlosti posuvu \u00b15% sp\u00f4sobuje zmenu ve\u013ekosti \u00falomkov \u00b15% \u2013 \u010do m\u00f4\u017ee produkt vytla\u010di\u0165 mimo \u0161pecifika\u010dn\u00e9ho okna. S opotrebovan\u00edm pohonu p\u00e1su a zv\u00e4\u010d\u0161uj\u00facou sa v\u00f4\u013eou sa reakcia r\u00fdchlosti posuvu na zmeny tvrdosti horn\u00edn st\u00e1va menej predv\u00eddate\u013enou \u2013 stroj v m\u00e4kk\u00fdch z\u00f3nach kol\u00ed\u0161e a v tvrd\u00fdch z\u00f3nach v\u00e1ha. To vytv\u00e1ra striedaj\u00face sa p\u00e1sy nadrozmern\u00e9ho a jemn\u00e9ho produktu, \u010do zni\u017euje celkov\u00fd v\u00fd\u0165a\u017eok v s\u00falade so \u0161pecifik\u00e1ciou o 5 a\u017e 15%.<\/p>\n<\/div>\n

\n

Dod\u00e1va spolo\u010dnos\u0165 Korea Ever-Power ko\u013eajnicov\u00e9 pohony s extern\u00fdm chladen\u00edm a pretlakov\u00fdmi odvzdu\u0161\u0148ova\u010dmi pre povrchov\u00e9 ban\u00edctvo?<\/h3>\n

\u00c1no. Spolo\u010dnos\u0165 Korea Ever-Power vyr\u00e1ba plan\u00e9tov\u00e9 prevodovky s p\u00e1sov\u00fdm pohonom pre povrchov\u00fa \u0165a\u017ebu s extern\u00fdmi otvormi na chladenie oleja (prip\u00e1jaj\u00facimi sa k chladi\u010du hydraulick\u00e9ho oleja stroja), tlakov\u00fdmi filtrovan\u00fdmi odvzdu\u0161\u0148ovac\u00edmi syst\u00e9mami (tlak 0,2 baru, filtr\u00e1cia 10 mikr\u00f3nov) a vysoko tvrd\u00fdmi kalen\u00fdmi ozuben\u00fdmi kolesami z ocele 20CrMnTi s povrchovou \u00fapravou triedy DIN 5 pre maxim\u00e1lnu odolnos\u0165 vo\u010di kontamin\u00e1cii prachom. K dispoz\u00edcii od 60 000 do 200 000 Nm pre stredn\u00e9 a\u017e ve\u013ek\u00e9 povrchov\u00e9 \u0165a\u017eobn\u00e9 spolo\u010dnosti. Pre \u0161pecifik\u00e1ciu zodpovedaj\u00facu skuto\u010dnej reznej sile a pra\u0161n\u00e9mu prostrediu uve\u010fte v\u00fdrobcu stroja, v\u00fdkon rezn\u00e9ho bubna a typ prim\u00e1rnej horniny.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\n
\n
\n
Pohony p\u00e1sov pre povrchov\u00e9 bane \u2013 prachotesn\u00e9, tepelne riaden\u00e9, presn\u00e9 posuvy<\/div>\n

Spolo\u010dnos\u0165 Korea Ever-Power dod\u00e1va plan\u00e9tov\u00e9 prevodovky s p\u00e1sov\u00fdm pohonom pre povrchov\u00e9 \u0165a\u017eobn\u00e9 stroje od 60 000 do 200 000 Nm s pretlakov\u00fdmi odvzdu\u0161\u0148ova\u010dmi, extern\u00fdm chladen\u00edm a presnos\u0165ou posuvu na \u00farovni kvality produktu. Pre odpor\u00fa\u010danie \u0161pecifik\u00e1cie poskytnite model v\u00e1\u0161ho povrchov\u00e9ho \u0165a\u017eobn\u00e9ho stroja a prim\u00e1rny rezn\u00fd materi\u00e1l.<\/p>\n<\/div>\n

Zobrazi\u0165 sortiment pohonu p\u00e1sov \u2192<\/a><\/p>\n
sales@planet\u00e1rne-prevodovky.com<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

Application Engineering Surface Miners \u00b7 Continuous Mining Track Drive Planetary Gearbox for Surface Miners \u2014 200 Tonnes Advancing Through Solid Rock, Continuously No drilling. No blasting. No secondary crushing at the face. The surface miner replaces all three operations with a single machine that drives forward and cuts the mineral directly from the deposit \u2014 […]<\/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":[965],"tags":[],"class_list":["post-1063","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/comments?post=1063"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1063\/revisions"}],"predecessor-version":[{"id":1067,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/posts\/1063\/revisions\/1067"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/media?parent=1063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/categories?post=1063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/sk\/wp-json\/wp\/v2\/tags?post=1063"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}