{"id":1934,"date":"2026-04-17T03:59:33","date_gmt":"2026-04-17T03:59:33","guid":{"rendered":"https:\/\/worm-reducers.xyz\/?p=1934"},"modified":"2026-04-17T03:59:33","modified_gmt":"2026-04-17T03:59:33","slug":"worm-gear-reducers-for-winches-and-cable-drums","status":"publish","type":"post","link":"https:\/\/worm-reducers.xyz\/cs\/worm-gear-reducers-for-winches-and-cable-drums\/","title":{"rendered":"\u0160nekov\u00e9 reduktory pro navij\u00e1ky a lanov\u00e9 bubny"},"content":{"rendered":"
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\u0160nekov\u00e9 reduktory pro navij\u00e1ky a lanov\u00e9 bubny<\/h1>\n

V\u00fdb\u011br spr\u00e1vn\u00e9ho \u0161nekov\u00e9ho reduktoru pro aplikace s navij\u00e1ky a kabelov\u00fdmi bubny vy\u017eaduje pochopen\u00ed specifick\u00fdch princip\u016f v\u00fdpo\u010dtu kroutic\u00edho momentu, kter\u00e9 se li\u0161\u00ed od v\u00fdb\u011bru standardn\u00edho dopravn\u00edku nebo m\u00edchadla. Pohony navij\u00e1k\u016f vy\u017eaduj\u00ed \u0161nekov\u00fd reduktor<\/strong> kter\u00fd poskytuje trvalou ta\u017enou s\u00edlu p\u0159i n\u00edzk\u00fdch rychlostech, spolehliv\u011b dr\u017e\u00ed polohu pod zat\u00ed\u017een\u00edm a vydr\u017e\u00ed roky venkovn\u00edho a mo\u0159sk\u00e9ho vystaven\u00ed. Tato p\u0159\u00edru\u010dka se zab\u00fdv\u00e1 v\u00fdb\u011brem, v\u00fdpo\u010dtem a specifikac\u00ed, kter\u00e9 ur\u010duj\u00ed, zda pohon navij\u00e1ku funguje, nebo sel\u017ee.<\/p>\n

Z\u00edskejte cenovou nab\u00eddku na pohon navij\u00e1ku<\/a><\/p>\n<\/div>\n<\/div>\n

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Pohony navij\u00e1k\u016f vs. pohony kladkostroj\u016f: R\u016fzn\u00e9 aplika\u010dn\u00ed profily<\/h2>\n
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Aplikace pro kladkostroje a zdvihac\u00ed za\u0159\u00edzen\u00ed se prim\u00e1rn\u011b zam\u011b\u0159uje na vertik\u00e1ln\u00ed zav\u011b\u0161en\u00ed b\u0159emen \u2013 samosvorn\u00fd mechanismus \u0161nekov\u00e9ho p\u0159evodu zabra\u0148uje nebezpe\u010dn\u00e9mu p\u00e1du, kdy\u017e je motor bez proudu. Aplikace s navij\u00e1ky a lanov\u00fdmi bubny maj\u00ed jin\u00fd prim\u00e1rn\u00ed po\u017eadavek: trval\u00e9 horizont\u00e1ln\u00ed nebo \u0161ikm\u00e9 zav\u011b\u0161en\u00ed. trakce<\/em>, obousm\u011brn\u00e9 ovl\u00e1d\u00e1n\u00ed kabelu a odolnost v\u016f\u010di venkovn\u00edmu prost\u0159ed\u00ed po dlouhou dobu.<\/p>\n

V\u00edcevrstv\u00e1 konstrukce kabelu:<\/strong> Jak se kabel nav\u00edj\u00ed na buben ve v\u00edce vrstv\u00e1ch, efektivn\u00ed polom\u011br bubnu se plynule zv\u011bt\u0161uje. Po\u017eadavek na kroutic\u00ed moment na \u0161nekov\u00fd p\u0159evod se \u00fam\u011brn\u011b zvy\u0161uje. V\u00fdb\u011br mus\u00ed b\u00fdt zalo\u017een na stavu pln\u00e9ho bubnu (maxim\u00e1ln\u00ed polom\u011br) \u2013 nikoli na stavu pr\u00e1zdn\u00e9ho bubnu.<\/p>\n

Obousm\u011brn\u00fd provoz:<\/strong> V\u011bt\u0161ina navij\u00e1k\u016f natahuje a vytahuje lano. \u0160nekov\u00fd p\u0159evod mus\u00ed p\u0159en\u00e1\u0161et jmenovit\u00fd to\u010div\u00fd moment v obou sm\u011brech. Samosvorn\u00e9 chov\u00e1n\u00ed se uplat\u0148uje pouze v klidov\u00e9m stavu \u2013 b\u011bhem motorov\u00e9ho vytahov\u00e1n\u00ed \u0159\u00edd\u00ed motor rychlost v obou sm\u011brech.<\/p>\n

Venkovn\u00ed prost\u0159ed\u00ed a vystaven\u00ed mo\u0159i:<\/strong> Navij\u00e1ky se instaluj\u00ed v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch \u2013 paluby plavidel, staveni\u0161t\u011b, podzemn\u00ed kabelov\u00e9 tunely, pob\u0159e\u017en\u00ed za\u0159\u00edzen\u00ed. Minim\u00e1ln\u00ed specifikace je IP65. Pro n\u00e1mo\u0159n\u00ed aplikace je vy\u017eadov\u00e1no kryt\u00ed IP66 a antikorozn\u00ed n\u00e1t\u011bry.<\/p>\n<\/div>\n

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V\u00fdpo\u010det v\u00fdb\u011bru j\u00e1dra pro \u0161nekov\u00e9 p\u0159evody navij\u00e1k\u016f<\/h2>\n

V\u00fdb\u011br \u0161nekov\u00e9ho p\u0159evodu navij\u00e1ku se \u0159\u00edd\u00ed specifick\u00fdm po\u0159ad\u00edm. V\u00edcevrstv\u00e9 lanko \u010din\u00ed v\u00fdpo\u010det to\u010div\u00e9ho momentu kritick\u00fdm \u2013 chyba v tomto p\u0159\u00edpad\u011b zp\u016fsob\u00ed, \u017ee pohon bude poddimenzov\u00e1n v nejhor\u0161\u00edm mo\u017en\u00e9m okam\u017eiku: p\u0159i pln\u011b zat\u00ed\u017een\u00e9m bubnu.<\/p>\n

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V\u00fdpo\u010detn\u00ed sekvence<\/h3>\n

Krok 1:<\/strong> Ur\u010dete maxim\u00e1ln\u00ed tah lana F (N) p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed. Zahr\u0148te provozn\u00ed sou\u010dinitel: F_design = F_actual \u00d7 SF (pro provoz s navij\u00e1kem pou\u017eijte SF 1,75\u20132,5).<\/p>\n

Krok 2:<\/strong> Vypo\u010d\u00edtejte maxim\u00e1ln\u00ed polom\u011br bubnu r_max: r_max = polom\u011br j\u00e1dra + (pr\u016fm\u011br dr\u00e1tu \u00d7 po\u010det vrstev). V\u017edy pou\u017e\u00edvejte r_max, nikoli polom\u011br j\u00e1dra.<\/p>\n

Krok 3:<\/strong> Po\u017eadovan\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment T = F_design \u00d7 r_max (m).<\/p>\n

Krok 4:<\/strong> Ot\u00e1\u010dky bubnu p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed: n_drum = (v \u00d7 1000) \/ (2\u03c0 \u00d7 r_max_mm). Pou\u017eijte v = rychlost kabelu p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed bubnu.<\/p>\n

Krok 5:<\/strong> Po\u017eadovan\u00fd pom\u011br i = n_motor\u016f \/ n_buben\u016f.<\/p>\n

Krok 6:<\/strong> Potvr\u010fte T_catalog \u2265 T_required a ov\u011b\u0159te tepeln\u00fd v\u00fdkon pro nep\u0159etr\u017eit\u00fd provoz.<\/p>\n<\/div>\n

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Pracovan\u00fd p\u0159\u00edklad: Navij\u00e1k pro n\u00e1mo\u0159n\u00ed pr\u016fzkum<\/h3>\n

Aplikace:<\/strong> Navij\u00e1k pro hydrofonn\u00ed lanko. Tah lana 2 500 N, rychlost lana 8 m\/min, j\u00e1dro bubnu \u00f8 120 mm, dr\u00e1t \u00f8 8 mm, 4 vrstvy. SF = 2,0.<\/p>\n

r_max = 60 + (8 \u00d7 4) = 92 mm<\/strong>
\nF_design = 2 500 \u00d7 2,0 = 5 000 N<\/strong>
\nT_v\u00fdstup = 5 000 \u00d7 0,092 = 460 N\u00b7m<\/strong>
\nn_bubn = 8 000 \/ (2\u03c0 \u00d7 92) = 13,8 ot.\/min<\/strong>
\nPom\u011br = 1,450 \/ 13,8 = 105 \u2192 vyberte 100:1<\/strong><\/p>\n

Vybran\u00fd:<\/strong> WP135 p\u0159i 100:1, T_catalog 520 N\u00b7m > 460 N\u00b7m. \u2713
\nIP66, epoxidov\u00fd n\u00e1t\u011br pro lodn\u00ed pou\u017eit\u00ed, t\u011bsn\u011bn\u00ed VITON, syntetick\u00fd olej PAO.<\/p>\n<\/div>\n<\/div>\n

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Chyba poddimenzov\u00e1n\u00ed z d\u016fvodu v\u00edce vrstev:<\/strong> In\u017een\u00fd\u0159i, kte\u0159\u00ed vypo\u010d\u00edt\u00e1vaj\u00ed to\u010div\u00fd moment s pou\u017eit\u00edm polom\u011bru pr\u00e1zdn\u00e9ho j\u00e1dra bubnu \u2013 a zjist\u00ed, \u017ee \u0161nekov\u00fd p\u0159evod funguje, kdy\u017e je buben pr\u00e1zdn\u00fd, ale zastav\u00ed se, kdy\u017e se buben napln\u00ed \u2013 se dopustili p\u0159esn\u011b t\u00e9to chyby. U bubnu s j\u00e1drem 60 mm a pln\u00fdm polom\u011brem 92 mm se po\u017eadovan\u00fd to\u010div\u00fd moment zvy\u0161uje o 53%. V\u017edy po\u010d\u00edtat s r_max.<\/p>\n<\/div>\n<\/div>\n

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Pro\u010d jsou \u0161nekov\u00e9 reduktory standardem v pr\u016fmyslu navij\u00e1k\u016f<\/h2>\n
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Velk\u00fd p\u0159evodov\u00fd pom\u011br, jednostup\u0148ov\u00fd<\/h3>\n

Jednostup\u0148ov\u00fd \u0161nekov\u00fd reduktor je nejkompaktn\u011bj\u0161\u00edm a nejhospod\u00e1rn\u011bj\u0161\u00edm zp\u016fsobem, jak dos\u00e1hnout velk\u00fdch p\u0159evodov\u00fdch pom\u011br\u016f pot\u0159ebn\u00fdch pro aplikace s navij\u00e1ky. Rychlosti lana navij\u00e1ku (5\u201330 m\/min) vy\u017eaduj\u00ed velk\u00e9 p\u0159evodov\u00e9 pom\u011bry (60:1\u2013100:1) od standardn\u00edho motoru s ot\u00e1\u010dkami 1 450 ot.\/min. Jednostup\u0148ov\u00fd \u0161nekov\u00fd reduktor toho dosahuje v kompaktn\u00edm proveden\u00ed. \u0160roubov\u00e9 pohony vy\u017eaduj\u00ed k dosa\u017een\u00ed ekvivalentn\u00edch p\u0159evodov\u00fdch pom\u011br\u016f dva nebo t\u0159i reduk\u010dn\u00ed stupn\u011b.<\/p>\n<\/div>\n

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Samosvorn\u00e9 udr\u017een\u00ed polohy<\/h3>\n

P\u0159i p\u0159evodov\u00fdch pom\u011brech nad 40:1 se \u0161nekov\u00fd reduktor p\u0159i zastaven\u00ed motoru samo\u010dinn\u011b zablokuje \u2013 napnut\u00ed lanka nem\u016f\u017ee zp\u016fsobit zp\u011btn\u00fd tok bubnu. To eliminuje pot\u0159ebu samostatn\u00e9 mechanick\u00e9 brzdy v mnoha aplikac\u00edch navij\u00e1k\u016f, co\u017e sni\u017euje n\u00e1klady a slo\u017eitost.<\/p>\n<\/div>\n

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Prav\u00fd \u00fahel pohonu 90\u00b0<\/h3>\n

Bubny navij\u00e1k\u016f jsou t\u00e9m\u011b\u0159 v\u017edy poh\u00e1n\u011bny pod \u00fahlem 90\u00b0 k ose motoru. D\u00edky inherentn\u00ed pravo\u00fahl\u00e9 geometrii \u0161nekov\u00e9ho reduktoru nen\u00ed nutn\u00fd samostatn\u00fd stupe\u0148 ku\u017eelov\u00e9ho p\u0159evodu, \u010d\u00edm\u017e se sni\u017euje po\u010det sou\u010d\u00e1st\u00ed hnac\u00edho \u00fastroj\u00ed a po\u010det potenci\u00e1ln\u00edch bod\u016f selh\u00e1n\u00ed.<\/p>\n<\/div>\n

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N\u00edzk\u00e1 provozn\u00ed hlu\u010dnost<\/h3>\n

\u0160nekov\u00fd p\u0159evodov\u00fd mechanismus s posuvn\u00fdm kontaktem pracuje ti\u0161eji ne\u017e pohony s \u010deln\u00edmi nebo \u0161ikm\u00fdmi ozuben\u00fdmi koly p\u0159i stejn\u00e9m to\u010div\u00e9m momentu a p\u0159evodov\u00e9m pom\u011bru \u2013 co\u017e je relevantn\u00ed pro navij\u00e1ky na palub\u00e1ch plavidel, kde je hladina hluku regulov\u00e1na, a pro podzemn\u00ed instalace nebo instalace v budov\u00e1ch, kde je probl\u00e9mem vibrace p\u0159en\u00e1\u0161en\u00e9 konstrukc\u00ed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Po\u017eadavky na ochranu podle aplika\u010dn\u00edho prost\u0159ed\u00ed<\/h2>\n
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Prost\u0159ed\u00ed<\/th>\nBydlen\u00ed<\/th>\nIP adresa<\/th>\nZvl\u00e1\u0161tn\u00ed po\u017eadavky<\/th>\n<\/tr>\n<\/thead>\n
N\u00e1mo\u0159n\u00ed \/ pob\u0159e\u017en\u00ed<\/td>\nLitina + epoxidov\u00e1 prysky\u0159ice pro lodn\u00ed pou\u017eit\u00ed<\/td>\nIP66<\/td>\nSpojovac\u00ed prvky z nerezov\u00e9 oceli, t\u011bsn\u011bn\u00ed z VITONu, soln\u00e1 mlha NSS >500h<\/td>\n<\/tr>\n
Pob\u0159e\u017en\u00ed venkovn\u00ed<\/td>\nLitina + z\u00e1kladn\u00ed n\u00e1t\u011br s vysok\u00fdm obsahem zinku<\/td>\nIP65<\/td>\nPreferov\u00e1ny jsou spojovac\u00ed prvky z nerezov\u00e9 oceli; syntetick\u00fd olej PAO<\/td>\n<\/tr>\n
T\u011b\u017eba v podzem\u00ed<\/td>\nLitina + pr\u016fmyslov\u00fd epoxid<\/td>\nIP65<\/td>\nP\u0159evodov\u00fd olej EP; zes\u00edlen\u00e1 t\u011bsn\u011bn\u00ed h\u0159\u00eddele<\/td>\n<\/tr>\n
Staveni\u0161t\u011b<\/td>\nLitina, standardn\u00ed n\u00e1t\u011br<\/td>\nIP54<\/td>\n\u010ctvrtletn\u00ed kontrola oleje; v\u00fdm\u011bna na konci projektu<\/td>\n<\/tr>\n
Vnit\u0159n\u00ed pr\u016fmyslov\u00e9<\/td>\nLitina nebo hlin\u00edk<\/td>\nIP54<\/td>\nStandardn\u00ed specifikace; standardn\u00ed miner\u00e1ln\u00ed olej<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Probl\u00e9m s v\u00edcevrstv\u00fdm kabelem: Technick\u00e1 v\u00fdzva specifick\u00e1 pro navij\u00e1k<\/h2>\n
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Jak se kabel nav\u00edj\u00ed na buben ve v\u00edce vrstv\u00e1ch, doch\u00e1z\u00ed sou\u010dasn\u011b ke dv\u011bma v\u011bcem, kter\u00e9 zvy\u0161uj\u00ed n\u00e1roky na \u0161nekov\u00fd reduktor p\u0159i pln\u011bn\u00ed bubnu:<\/p>\n

Zv\u00fd\u0161en\u00ed to\u010div\u00e9ho momentu:<\/strong> To\u010div\u00fd moment, kter\u00fd mus\u00ed \u0161nekov\u00fd reduktor poskytovat, se rovn\u00e1 sou\u010dtu ta\u017en\u00e9 s\u00edly \u00d7 efektivn\u00ed polom\u011br. S ka\u017edou zv\u011bt\u0161uj\u00edc\u00ed se vrstvou lana k pr\u016fm\u011bru bubnu se zv\u011bt\u0161uje rameno momentu a po\u017eadovan\u00fd to\u010div\u00fd moment se \u00fam\u011brn\u011b zvy\u0161uje. Buben, jeho\u017e polom\u011br j\u00e1dra se zv\u011bt\u0161\u00ed z 60 mm na 92 \u200b\u200bmm, vy\u017eaduje o 53% vy\u0161\u0161\u00ed v\u00fdstupn\u00ed to\u010div\u00fd moment ze \u0161nekov\u00e9ho reduktoru pro stejnou ta\u017enou s\u00edlu \u2013 tento rozd\u00edl nelze ve f\u00e1zi v\u00fdb\u011bru ignorovat.<\/p>\n

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Zm\u011bny rychlosti:<\/strong> P\u0159i stejn\u00e9 line\u00e1rn\u00ed rychlosti kabelu se ot\u00e1\u010dky bubnu s pln\u011bn\u00edm bubnu sni\u017euj\u00ed, proto\u017ee se zv\u011bt\u0161uje obvod. P\u0159i konstantn\u00edch ot\u00e1\u010dk\u00e1ch motoru a pevn\u00e9m p\u0159evodov\u00e9m pom\u011bru se rychlost kabelu ve skute\u010dnosti s pln\u011bn\u00edm bubnu zvy\u0161uje \u2013 opak toho, co v\u011bt\u0161ina oper\u00e1tor\u016f o\u010dek\u00e1v\u00e1. V aplikac\u00edch vy\u017eaduj\u00edc\u00edch \u0159\u00edzenou rychlost kabelu je zapot\u0159eb\u00ed bu\u010f motor s prom\u011bnn\u00fdmi ot\u00e1\u010dkami, nebo akceptace zm\u011bny rychlosti.<\/p>\n

Pravidlo n\u00e1vrhu:<\/strong> \u0160nekov\u00fd reduktor v\u017edy dimenzujte pro stav pln\u00e9ho bubnu. Pokud je spr\u00e1vn\u011b dimenzov\u00e1n pro pln\u00fd buben, bude pohodln\u011b v mez\u00edch limit\u016f p\u0159i v\u0161ech st\u0159edn\u00edch podm\u00ednk\u00e1ch zat\u00ed\u017een\u00ed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Referen\u010dn\u00ed p\u0159\u00edru\u010dka pro v\u00fdb\u011br \u0159ady WP pro aplikace s navij\u00e1ky<\/h2>\n

N\u00e1sleduj\u00edc\u00ed tabulka poskytuje v\u00fdchoz\u00ed bod pro v\u00fdb\u011br \u0161nekov\u00e9ho reduktoru navij\u00e1ku na z\u00e1klad\u011b p\u0159ibli\u017en\u00e9ho v\u00fdstupn\u00edho to\u010div\u00e9ho momentu a rychlosti lana. P\u0159ed porovn\u00e1n\u00edm katalogov\u00fdch hodnot to\u010div\u00e9ho momentu v\u017edy pou\u017eijte koeficient p\u0159evodovky 1,75\u20132,5 v z\u00e1vislosti na pracovn\u00edm cyklu navij\u00e1ku a r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed. P\u0159ed porovn\u00e1n\u00edm katalogov\u00e9ho to\u010div\u00e9ho momentu s po\u017eadavky aplikace pou\u017eijte koeficient p\u0159evodovky 1,75\u20132,5.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
WP Model<\/th>\nMax. T\u2082 (N\u00b7m)<\/th>\nRozsah pom\u011br\u016f<\/th>\nP\u0159ibli\u017en\u00fd tah lana (SF2, r=80 mm)<\/th>\nTypick\u00fd typ navij\u00e1ku<\/th>\n<\/tr>\n<\/thead>\n
WP60<\/td>\n440<\/td>\n10:1\u201360:1<\/td>\n~2 750 N<\/td>\nNavij\u00e1k pro m\u011b\u0159en\u00ed \/ p\u0159\u00edstrojov\u00fd navij\u00e1k<\/td>\n<\/tr>\n
WP80<\/td>\n900<\/td>\n10:1\u201380:1<\/td>\n~5 600 N<\/td>\nMal\u00e1 kotva \/ kotvic\u00ed pom\u016fcka<\/td>\n<\/tr>\n
WP100<\/td>\n1,750<\/td>\n10:1\u2013100:1<\/td>\n~11 000 N<\/td>\nTa\u017en\u00e9 lano \/ kabelov\u00fd buben pro n\u00e1mo\u0159n\u00ed pracovn\u00ed \u010dluny<\/td>\n<\/tr>\n
WP135<\/td>\n3,500<\/td>\n10:1\u2013100:1<\/td>\n~22 000 N<\/td>\nKabelov\u00fd navij\u00e1k \/ kotevn\u00ed navij\u00e1k pro d\u016fln\u00ed tunel<\/td>\n<\/tr>\n
WP155 \/ WP200<\/td>\n6 000\u201312 000<\/td>\n10:1\u2013100:1<\/td>\n~38 000\u201375 000 N<\/td>\nT\u011b\u017ek\u00fd navij\u00e1k pro kotven\u00ed na mo\u0159i \/ v p\u0159\u00edstavu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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T\u0159i p\u0159\u00edpady pou\u017eit\u00ed navij\u00e1ku<\/h2>\n

<\/p>\n

\n
\n

P\u0159\u00edpad 1: Plavidlo pro mo\u0159sk\u00fd geofyzik\u00e1ln\u00ed pr\u016fzkum<\/h3>\n

Po\u017eadavek:<\/strong> Rozm\u00edst\u011bn\u00ed a vyta\u017een\u00ed hydrofonn\u00edho streameru. Tah lana 2 500 N, 8 m\/min, j\u00e1dro bubnu \u00f8 150 mm, 6 vrstev lana, dr\u00e1t \u00f8 12 mm.<\/p>\n

r_max = 75 + (12\u00d76) = 147 mm; T = 3 000 \u00d7 2,0 \u00d7 0,147 = 882 N\u00b7m<\/p>\n

Vybran\u00fd \u0161nekov\u00fd reduktor:<\/strong> WP135 p\u0159i 100:1, IP66, epoxidov\u00fd n\u00e1t\u011br pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed, nerezov\u00e9 spojovac\u00ed prvky, t\u011bsn\u011bn\u00ed VITON, syntetick\u00fd olej PAO. Pro\u0161el testem soln\u00e9 mlhy NSS 500h.<\/p>\n<\/div>\n

\n

P\u0159\u00edpad 2: Podzemn\u00ed kabelov\u00fd buben \u2013 stroj na razen\u00ed tunel\u016f<\/h3>\n

Po\u017eadavek:<\/strong> Nav\u00edjec\u00ed buben pro nap\u00e1jec\u00ed a komunika\u010dn\u00ed kabely, kter\u00fd pod\u00e1v\u00e1 TBM b\u011bhem jeho pohybu. Rychlost kabelu 1,5 m\/min, tah 800 N, nep\u0159etr\u017eit\u00fd provoz. IP65.<\/p>\n

Vybran\u00fd \u0161nekov\u00fd reduktor:<\/strong> WP80 p\u0159i 80:1, IP65, EP olej. Samosvorn\u00fd mechanismus p\u0159i 80:1 dr\u017e\u00ed kabel, kdy\u017e je TBM v klidu bez samostatn\u00e9 brzdy.<\/p>\n

Provozn\u00ed \u017eivotnost:<\/strong> V\u00edce ne\u017e 22 000 hodin v r\u00e1mci t\u0159\u00edlet\u00e9 smlouvy TBM, nulov\u00e9 selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed.<\/p>\n<\/div>\n

\n

P\u0159\u00edpad 3: Do\u010dasn\u00fd navij\u00e1k na staveni\u0161ti<\/h3>\n

Po\u017eadavek:<\/strong> Navij\u00e1k pro ta\u017een\u00ed materi\u00e1lu pro mont\u00e1\u017e fas\u00e1dy v\u00fd\u0161kov\u00fdch budov, projekt do 6 m\u011bs\u00edc\u016f, p\u0159eru\u0161ovan\u00fd provoz. Maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed 4 500 N, rychlost lana 6 m\/min.<\/p>\n

Vybran\u00fd \u0161nekov\u00fd reduktor:<\/strong> WP100 p\u0159i 60:1, SF 2.0, litina IP54. Standardn\u00ed miner\u00e1ln\u00ed olej vym\u011bn\u011bn na konci projektu.<\/p>\n

Pozn\u00e1mka k n\u00e1klad\u016fm:<\/strong> U do\u010dasn\u00fdch instalac\u00ed na 6 m\u011bs\u00edc\u016f je zakoupen\u00ed nov\u00e9ho standardn\u00edho \u0161nekov\u00e9ho reduktoru pro dan\u00fd projekt n\u00e1kladov\u011b efektivn\u011bj\u0161\u00ed ne\u017e pron\u00e1jem jednotky s vy\u0161\u0161\u00ed specifikac\u00ed. Celkov\u00e9 n\u00e1klady na \u0161nekov\u00fd reduktor tvo\u0159\u00ed jen mal\u00fd zlomek hodnoty smlouvy na instalaci fas\u00e1dy.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n

\u010casto kladen\u00e9 ot\u00e1zky \u2013 \u0160nekov\u00e9 p\u0159evodovky pro navij\u00e1ky<\/h2>\n
\nJe p\u0159i v\u00fdb\u011bru \u0161nekov\u00e9ho reduktoru navij\u00e1ku d\u016fle\u017eit\u011bj\u0161\u00edm po\u010d\u00e1te\u010dn\u00edm parametrem p\u0159evodov\u00fd pom\u011br nebo v\u00fdstupn\u00ed to\u010div\u00fd moment?<\/summary>\n
V\u00fdstupn\u00ed to\u010div\u00fd moment je prim\u00e1rn\u00edm parametrem v\u00fdb\u011bru. Nejprve vypo\u010d\u00edtejte po\u017eadovan\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment (tah v ose \u00d7 maxim\u00e1ln\u00ed polom\u011br bubnu \u00d7 p\u0159evodov\u00fd moment), pot\u00e9 vyberte \u0161nekov\u00fd p\u0159evod s katalogov\u00fdm to\u010div\u00fdm momentem vy\u0161\u0161\u00edm ne\u017e je tato hodnota. Pot\u00e9 ov\u011b\u0159te reduk\u010dn\u00ed pom\u011br pro dosa\u017een\u00ed po\u017eadovan\u00fdch ot\u00e1\u010dek bubnu z ot\u00e1\u010dek motoru. Pokud \u017e\u00e1dn\u00fd jednostup\u0148ov\u00fd \u0161nekov\u00fd p\u0159evod nepokr\u00fdv\u00e1 po\u017eadovan\u00fd pom\u011br, m\u016f\u017ee b\u00fdt nutn\u00e1 kombinace dvoustup\u0148ov\u00e9ho reduktoru nebo p\u0159evodov\u00e9ho motoru. Prohl\u00e9dn\u011bte si na\u0161i kompletn\u00ed sortiment \u0161nekov\u00fdch reduktor\u016f<\/a> pro dostupn\u00e9 mo\u017enosti pom\u011br\u016f.<\/div>\n<\/details>\n
\nM\u016f\u017ee samosvorn\u00e1 funkce zcela nahradit mechanickou brzdu u navij\u00e1ku?<\/summary>\n
Pro mnoho aplikac\u00ed s navij\u00e1ky ano. P\u0159i p\u0159evodov\u00fdch pom\u011brech nad 40:1 se \u0161nekov\u00fd reduktor samosvorn\u011b zajist\u00ed p\u0159i statick\u00e9m zat\u00ed\u017een\u00ed lanem a dr\u017e\u00ed polohu bez samostatn\u00e9 mechanick\u00e9 brzdy. Pro zved\u00e1n\u00ed osob nebo navij\u00e1ky s dynamick\u00fdm zat\u00ed\u017een\u00edm (p\u016fsoben\u00ed vln, kyvadlov\u00e9 efekty ve stavebnictv\u00ed) je v\u0161ak z bezpe\u010dnostn\u00edch norem vy\u017eadov\u00e1na samostatn\u00e1 mechanick\u00e1 brzda bez ohledu na samosvornost \u0161neku. Samosvornost je tak\u00e9 nespolehliv\u00e1, pokud jsou p\u0159\u00edtomny vibrace, je-li mazivo hork\u00e9 nebo je-li p\u0159evodov\u00fd pom\u011br ni\u017e\u0161\u00ed ne\u017e 20:1. Pro aplikace s dr\u017een\u00edm b\u0159emen bez osob s p\u0159evodov\u00fdm pom\u011brem nad 40:1 a bez vibrac\u00ed je obvykle dosta\u010duj\u00edc\u00ed samotn\u00e1 samosvornost \u0161neku.<\/div>\n<\/details>\n
\nJak \u010dasto by se m\u011bla kontrolovat t\u011bsn\u011bn\u00ed na reduktoru \u0161nekov\u00e9ho p\u0159evodu lodn\u00edho navij\u00e1ku?<\/summary>\n
V prost\u0159ed\u00ed se slanou vodou prov\u00e1d\u011bjte vizu\u00e1ln\u00ed kontrolu t\u011bsn\u011bn\u00ed ka\u017ed\u00e9 3 m\u011bs\u00edce a h\u0159\u00eddelov\u00e1 t\u011bsn\u011bn\u00ed VITON vym\u011b\u0148ujte ka\u017ed\u00e9 2 roky bez ohledu na viditeln\u00fd stav. Soln\u00e1 mlha zp\u016fsobuje ozonem indukovan\u00e9 tvrdnut\u00ed t\u011bsnic\u00edho b\u0159itu rychleji ne\u017e b\u011b\u017en\u00e9 pr\u016fmyslov\u00e9 prost\u0159ed\u00ed. VITON je mnohem odoln\u011bj\u0161\u00ed ne\u017e NBR, ale st\u00e1le m\u00e1 omezenou \u017eivotnost v agresivn\u00edch mo\u0159sk\u00fdch podm\u00ednk\u00e1ch. P\u0159i ka\u017ed\u00e9 kontrole by se m\u011bla tak\u00e9 zkontrolovat vn\u011bj\u0161\u00ed strana pouzdra, zda nedo\u0161lo k po\u0161kozen\u00ed laku nebo korozi spojovac\u00edch prvk\u016f \u2013 v\u010dasn\u00e9 o\u0161et\u0159en\u00ed je mnohem levn\u011bj\u0161\u00ed ne\u017e \u0159e\u0161en\u00ed pokro\u010dil\u00e9 koroze. Kontaktujte Korea Ever-Power<\/a> pro pokyny k programu \u00fadr\u017eby n\u00e1mo\u0159n\u00ed dopravy.<\/div>\n<\/details>\n
\nJak\u00fd je nejspolehliv\u011bj\u0161\u00ed zp\u016fsob spojen\u00ed mezi v\u00fdstupn\u00ed h\u0159\u00eddel\u00ed \u0161nekov\u00e9ho reduktoru a bubnem navij\u00e1ku?<\/summary>\n
Spr\u00e1vn\u00e9 p\u0159ipojen\u00ed v\u00fdstupn\u00ed h\u0159\u00eddele \u0161nekov\u00e9ho reduktoru k bubnu navij\u00e1ku zabra\u0148uje nej\u010dast\u011bj\u0161\u00ed mechanick\u00e9 poru\u0161e v pohonech navij\u00e1k\u016f \u2013 uvoln\u011bn\u00ed p\u0159i reverzn\u00edm zat\u00ed\u017een\u00ed. Nejspolehliv\u011bj\u0161\u00edm spojen\u00edm pro aplikace s navij\u00e1ky s vysok\u00fdm to\u010div\u00fdm momentem je n\u00e1boj bubnu s dut\u00fdm otvorem, upevn\u011bn\u00fd smr\u0161\u0165ovac\u00edm ulo\u017een\u00edm p\u0159\u00edmo na v\u00fdstupn\u00ed h\u0159\u00eddeli \u0161nekov\u00e9ho reduktoru s perem, zaji\u0161t\u011bn\u00fd hydraulickou pojistnou matic\u00ed nebo \u0161roubem na konci h\u0159\u00eddele. Toto spojen\u00ed nem\u00e1 \u017e\u00e1dnou v\u016fli, p\u0159en\u00e1\u0161\u00ed to\u010div\u00fd moment p\u0159es p\u0159esah a pero a neuvol\u0148uje se p\u0159i reverzn\u00edm zat\u00ed\u017een\u00ed. Spoje s v\u016fl\u00ed a perem jsou p\u0159ijateln\u00e1 pro leh\u010d\u00ed provoz, ale p\u0159i reverzn\u00edm zat\u00ed\u017een\u00ed se u nich m\u016f\u017ee vyvinout koroze zp\u016fsoben\u00e1 t\u0159en\u00edm. Vyhn\u011bte se pou\u017eit\u00ed \u010delistn\u00edch spojek pro bubnov\u00e9 spoje \u2013 \u010delistn\u00ed prvek se opot\u0159ebov\u00e1v\u00e1 p\u0159i r\u00e1zov\u00e9m zat\u00ed\u017een\u00ed typick\u00e9m pro provoz navij\u00e1ku.<\/div>\n<\/details>\n
\nVy\u017eaduje obousm\u011brn\u00fd provoz navij\u00e1ku speci\u00e1ln\u00ed \u0161nekov\u00fd p\u0159evod?<\/summary>\n
Nen\u00ed pot\u0159eba \u017e\u00e1dn\u00fd speci\u00e1ln\u00ed \u0161nekov\u00fd reduktor. Standardn\u00ed jednotky \u0159ady WP p\u0159en\u00e1\u0161ej\u00ed jmenovit\u00fd to\u010div\u00fd moment v obou sm\u011brech ot\u00e1\u010den\u00ed. N\u011bkte\u0159\u00ed oper\u00e1to\u0159i si samosvornost myln\u011b vykl\u00e1daj\u00ed tak, \u017ee p\u0159evodovku nelze reverzovat pod proudem \u2013 lze ji reverzovat. Samosvornost znamen\u00e1 pouze to, \u017ee samotn\u00e1 z\u00e1t\u011b\u017e nem\u016f\u017ee poh\u00e1n\u011bt \u0161nekov\u00fd reduktor zp\u011bt, kdy\u017e je motor zastaven. Reverzace s pohonem (odv\u00edjen\u00ed lana reverzac\u00ed motoru) je mechanicky norm\u00e1ln\u00ed. Motor mus\u00ed b\u00fdt dimenzov\u00e1n na jmenovit\u00fd to\u010div\u00fd moment ve sm\u011bru zp\u011btn\u00e9ho chodu i ve sm\u011bru zasouv\u00e1n\u00ed.<\/div>\n<\/details>\n
\nM\u016f\u017ee \u0161nekov\u00fd p\u0159evod navij\u00e1ku pracovat p\u0159i -30 \u00b0C v severn\u00edm venkovn\u00edm prost\u0159ed\u00ed?<\/summary>\n
Se standardn\u00edm miner\u00e1ln\u00edm olejem, \u010d. Standardn\u00ed miner\u00e1ln\u00ed olej ISO VG 220 se bl\u00ed\u017e\u00ed sv\u00e9 mezi te\u010den\u00ed p\u0159i -20 \u00b0C. Pro venkovn\u00ed aplikace navij\u00e1k\u016f v severn\u00edm prost\u0159ed\u00ed pou\u017eijte syntetick\u00e9 t\u011bsn\u011bn\u00ed PAO ISO VG 220 (bod tuhnut\u00ed pod -42 \u00b0C) a h\u0159\u00eddelov\u00e1 t\u011bsn\u011bn\u00ed VITON (pru\u017en\u00e1 do -40 \u00b0C). Standardn\u00ed t\u011bsn\u011bn\u00ed NBR tuhnou pod -20 \u00b0C a ztr\u00e1cej\u00ed t\u011bsnic\u00ed funkci. S olejem PAO a t\u011bsn\u011bn\u00edmi VITON pracuje litinov\u00fd \u0161nekov\u00fd p\u0159evod \u0159ady WP spolehliv\u011b a\u017e do okoln\u00ed teploty -30 \u00b0C.<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

\n

Dod\u00e1vka \u0161nekov\u00fdch p\u0159evod\u016f pro navij\u00e1ky a lanov\u00e9 bubny<\/h2>\n

Jako specialista dodavatel \u0161nekov\u00fdch reduktor\u016f<\/a>Spole\u010dnost Korea Ever-Power dod\u00e1v\u00e1 navij\u00e1ky a lanov\u00e9 bubny s litinov\u00fdmi \u0161nekov\u00fdmi p\u0159evody \u0159ady WP ve standardn\u00edch i lodn\u00edch variant\u00e1ch. Ke v\u0161em objedn\u00e1vk\u00e1m je p\u0159ilo\u017eena podpora v\u00fdpo\u010dtu kroutic\u00edho momentu, rozm\u011brov\u00e9 v\u00fdkresy a certifik\u00e1ty materi\u00e1l\u016f. Prohl\u00e9dn\u011bte si na\u0161e rozsah \u0161nekov\u00fdch reduktor\u016f<\/a> nebo kontaktujte n\u00e1\u0161 t\u00fdm s parametry va\u0161eho navij\u00e1ku.<\/p>\n

Proch\u00e1zet reduktory \u0159ady WP<\/a>
\nZ\u00edskejte podporu pro pohon navij\u00e1ku<\/a><\/div>\n<\/div>\n<\/div>\n

St\u0159iha\u010d: Cxm<\/p>","protected":false},"excerpt":{"rendered":"

Worm Gear Reducers for Winches and Cable Drums Selecting the right worm gear reducer for winch and cable drum applications requires understanding specific torque calculation principles that differ from standard conveyor or agitator selection. Winch drives demand a worm gear reducer that delivers sustained low-speed traction force, holds position reliably under load, and survives years […]<\/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":[1517],"tags":[218,363,365],"class_list":["post-1934","post","type-post","status-publish","format-standard","hentry","category-worm-gear-reducer","tag-worm-gear-reducer","tag-worm-gearbox","tag-worm-reducer-gearbox"],"_links":{"self":[{"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/posts\/1934","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/comments?post=1934"}],"version-history":[{"count":2,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/posts\/1934\/revisions"}],"predecessor-version":[{"id":1938,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/posts\/1934\/revisions\/1938"}],"wp:attachment":[{"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/media?parent=1934"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/categories?post=1934"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/worm-reducers.xyz\/cs\/wp-json\/wp\/v2\/tags?post=1934"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}