{"id":931,"date":"2026-06-18T05:32:56","date_gmt":"2026-06-18T05:32:56","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?post_type=product&p=931"},"modified":"2026-06-18T05:32:56","modified_gmt":"2026-06-18T05:32:56","slug":"402w2-winch-drive-planetary-gearbox","status":"publish","type":"product","link":"https:\/\/planetary-gearboxes.com\/cs\/produkt\/402w2-winch-drive-planetary-gearbox\/","title":{"rendered":"Planetov\u00e1 p\u0159evodovka s reduktorem pohonu navij\u00e1ku 402W2"},"content":{"rendered":"
\n

<\/p>\n

\n
\n
\n
\n
BEZ INTEGROVAN\u00c9 BRZDY<\/span>
\nDVOJF\u00c1ZOV\u00dd<\/span><\/div>\n

402W2 \u2014 3 500 ot.\/min, v\u00edcestup\u0148ov\u00fd p\u0159evod, bez brzd\u011bn\u00ed<\/h2>\n

EP-402W2 ozna\u010duje dva p\u0159echody v planetov\u00e1 p\u0159evodovka pohonu navij\u00e1ku<\/a> rozsah: od jednostup\u0148ov\u00e9ho po dvoustup\u0148ov\u00fd (odeblokovac\u00ed pom\u011bry od 12,4 do 37,1) a od n\u00edzkorychlostn\u00edch orbit\u00e1ln\u00edch motor\u016f po vysokorychlostn\u00ed axi\u00e1ln\u00ed p\u00edstov\u00e9 motory s 3 500 ot.\/min. Ob\u011b zm\u011bny slou\u017e\u00ed stejn\u00e9mu c\u00edli \u2013 dos\u00e1hnout to\u010div\u00e9ho momentu bubnu 4 000 Nm s men\u0161\u00edmi, leh\u010d\u00edmi a levn\u011bj\u0161\u00edmi hydraulick\u00fdmi motory, kter\u00e9 pracuj\u00ed p\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch a ni\u017e\u0161\u00edch tlac\u00edch ne\u017e jednotky s velk\u00fdm objemem, kter\u00e9 vy\u017eaduj\u00ed jednostup\u0148ov\u00e9 modely 400\/401.<\/p>\n<\/div>\n

\n
\n
To\u010div\u00fd moment<\/span>4 000 Nm<\/span><\/div>\n
Pom\u011bry<\/span>12,4 \u2014 37,1<\/span><\/div>\n
Vstup<\/span>3 500 ot\/min<\/span><\/div>\n
Hmotnost<\/span>115 kg<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n

Absence integrovan\u00e9 brzdy nep\u0159edstavuje sn\u00ed\u017een\u00ed n\u00e1klad\u016f \u2013 jde o konstruk\u010dn\u00ed v\u00fdsledkem. Model 402W2 je navr\u017een pro zdvihac\u00ed syst\u00e9my, kde je brzdn\u00e1 architektura sofistikovan\u011bj\u0161\u00ed ne\u017e jedin\u00fd pru\u017einov\u00fd kotou\u010d uvnit\u0159 p\u0159evodovky. Palubn\u00ed je\u0159\u00e1by pro lod\u011b s vyva\u017eovac\u00edmi ventily s certifikac\u00ed DNV. Je\u0159\u00e1by pro z\u00e1chrann\u00e9 \u010dluny s voln\u00fdm p\u00e1dem a dvojit\u00fdmi nez\u00e1visl\u00fdmi hydraulick\u00fdmi brzdov\u00fdmi okruhy. T\u011b\u017ek\u00e9 stavebn\u00ed kladkostroje s elektromagnetick\u00fdmi brzdami namontovan\u00fdmi na motoru a samostatn\u00fdmi bubnov\u00fdmi t\u0159menov\u00fdmi brzdami. V ka\u017ed\u00e9m z t\u011bchto syst\u00e9m\u016f by dal\u0161\u00ed brzda uvnit\u0159 p\u0159evodovky p\u0159edstavovala nadbyte\u010dnou hmotnost, kter\u00e1 nijak nep\u0159isp\u00edv\u00e1 k bezpe\u010dnosti, proto\u017ee extern\u00ed brzdov\u00fd syst\u00e9m ji\u017e poskytuje po\u017eadovanou nosnost a shodu s p\u0159edpisy.<\/p>\n<\/div>\n

\"Dvoustup\u0148ov\u00e1<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Planetov\u00e1 p\u0159evodovka s pohonem navij\u00e1ku 402W2 \u2013 technick\u00e9 parametry<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n
Jmenovit\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment<\/td>\n4 000 Nm<\/td>\n<\/tr>\n
Rozsah p\u0159evodov\u00fdch pom\u011br\u016f<\/td>\n12,4 a\u017e 37,1 (dvoustup\u0148ov\u00e1 planetov\u00e1 p\u0159evodovka)<\/td>\n<\/tr>\n
Maxim\u00e1ln\u00ed vstupn\u00ed rychlost<\/td>\n3 500 ot\/min<\/td>\n<\/tr>\n
Maxim\u00e1ln\u00ed v\u00fdstupn\u00ed rychlost<\/td>\n25 ot\/min (FEM M5 nep\u0159etr\u017eit\u00fd provoz)<\/td>\n<\/tr>\n
Mechanick\u00e1 \u00fa\u010dinnost<\/td>\n\u2265 95%<\/td>\n<\/tr>\n
Integrovan\u00e1 brzda<\/td>\n\u017d\u00e1dn\u00e9 (vy\u017eadov\u00e1n extern\u00ed brzdov\u00fd syst\u00e9m)<\/td>\n<\/tr>\n
Mont\u00e1\u017e<\/td>\nOto\u010dn\u00e9 p\u0159\u00edruby sk\u0159\u00edn\u011b (p\u0159\u00edm\u00e1 integrace bubnu)<\/td>\n<\/tr>\n
Such\u00e1 hmotnost<\/td>\nP\u0159ibli\u017en\u011b 115 kg<\/td>\n<\/tr>\n
Maz\u00e1n\u00ed<\/td>\nOlejov\u00fd olej s rozst\u0159ikem, vysoce kvalitn\u00ed p\u0159evodov\u00fd olej s vysok\u00fdm v\u00fdkonem<\/td>\n<\/tr>\n
Provozn\u00ed teplota<\/td>\n-20 a\u017e +85 \u00b0C (k dispozici jsou vitonov\u00e1 t\u011bsn\u011bn\u00ed)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Navij\u00e1k bez p\u0159evodov\u00e9 brzdy \u2013 Jak bezpe\u010dn\u011b udr\u017eet zav\u011b\u0161en\u00e9 b\u0159emeno<\/h2>\n

Planetov\u00e1 p\u0159evodovka s pohonem navij\u00e1ku bez brzdy p\u0159en\u00e1\u0161\u00ed ve\u0161kerou odpov\u011bdnost za udr\u017een\u00ed b\u0159emene na extern\u00ed syst\u00e9m. Na rozd\u00edl od pohonu kol bez brzdy (kde se v nejhor\u0161\u00edm p\u0159\u00edpad\u011b vozidlo pohne samovoln\u011b), pohon navij\u00e1ku bez brzdy znamen\u00e1, \u017ee zav\u011b\u0161en\u00e9 b\u0159emeno NEKONTROLOVAN\u011a KLESE, pokud sel\u017ee extern\u00ed brzda. Konstrukce syst\u00e9mu mus\u00ed poskytovat alespo\u0148 dva nez\u00e1visl\u00e9 zp\u016fsoby udr\u017een\u00ed b\u0159emene.<\/p>\n

\"Planetov\u00e1<\/p>\n

\n
\n

\u2460 Brzda integrovan\u00e1 v motoru<\/h3>\n

V\u011bt\u0161ina axi\u00e1ln\u00edch p\u00edstov\u00fdch motor\u016f (Rexroth A2FM\/A6VM, Eaton, Parker) nab\u00edz\u00ed z v\u00fdroby integrovanou pru\u017einovou hydraulickou brzdu na h\u0159\u00eddeli motoru. Tato brzda p\u016fsob\u00ed prost\u0159ednictv\u00edm p\u0159evodov\u00e9ho pom\u011bru 402W2: motorov\u00e1 brzda 30 Nm p\u0159i p\u0159evodov\u00e9m pom\u011bru 25 vytv\u00e1\u0159\u00ed na bubnu p\u0159\u00eddr\u017en\u00fd moment 750 Nm. Ov\u011b\u0159te, zda tato vyn\u00e1soben\u00e1 hodnota p\u0159ekra\u010duje maxim\u00e1ln\u00ed moment zav\u011b\u0161en\u00e9ho b\u0159emene na vn\u011bj\u0161\u00ed vrstv\u011b lana. Toto je nejjednodu\u0161\u0161\u00ed a nejb\u011b\u017en\u011bj\u0161\u00ed metoda extern\u00edho brzd\u011bn\u00ed pro hydraulick\u00e9 navij\u00e1kov\u00e9 syst\u00e9my.<\/p>\n<\/div>\n

\n

\u2461 Vyva\u017eovac\u00ed ventily<\/h3>\n

Vyva\u017eovac\u00ed ventil v ka\u017ed\u00e9m potrub\u00ed motorov\u00e9ho portu zabra\u0148uje tomu, aby b\u0159emeno b\u011bhem spou\u0161t\u011bn\u00ed p\u0159et\u00ed\u017eilo motor. Kdy\u017e se \u010derpadlo zastav\u00ed, vyva\u017eovac\u00ed ventil zachyt\u00ed olej v okruhu motoru a zablokuje motor a buben v dan\u00e9 poloze. T\u00edm je zaji\u0161t\u011bno hydraulick\u00e9 uchycen\u00ed nez\u00e1visl\u00e9 na jak\u00e9koli mechanick\u00e9 brzd\u011b. U je\u0159\u00e1bov\u00fdch aplikac\u00ed certifikovan\u00fdch podle norem EN 13001 nebo FEM je vyva\u017eovac\u00ed ventil obvykle prim\u00e1rn\u00edm mechanismem uchycen\u00ed a brzda motoru je sekund\u00e1rn\u00ed.<\/p>\n<\/div>\n

\n

\u2462 Vn\u011bj\u0161\u00ed bubnov\u00e1 brzda s t\u0159menov\u00fdm mechanismem<\/h3>\n

Samostatn\u00e1 t\u0159menov\u00e1 brzda namontovan\u00e1 na p\u0159\u00edrub\u011b bubnu nebo na r\u00e1mu navij\u00e1ku, p\u016fsob\u00edc\u00ed p\u0159\u00edmo na brzdov\u00fd kotou\u010d p\u0159iva\u0159en\u00fd k l\u00edcnici bubnu. To zaji\u0161\u0165uje zcela nez\u00e1visl\u00e9 mechanick\u00e9 uchycen\u00ed, kter\u00e9 nez\u00e1vis\u00ed na p\u0159evodovce, motoru ani hydraulick\u00e9m okruhu. Pro zved\u00e1n\u00ed, kter\u00e9 je kritick\u00e9 z hlediska bezpe\u010dnosti (zved\u00e1n\u00ed osob, certifikace je\u0159\u00e1b\u016f pro pr\u00e1ci na mo\u0159i), je tato t\u0159et\u00ed nez\u00e1visl\u00e1 brzda \u010dasto vy\u017eadov\u00e1na klasifika\u010dn\u00ed spole\u010dnost\u00ed nebo bezpe\u010dnostn\u00ed normou staveni\u0161t\u011b jako terci\u00e1rn\u00ed mechanismus uchycen\u00ed.<\/p>\n<\/div>\n<\/div>\n

Kritick\u00fd bezpe\u010dnostn\u00ed po\u017eadavek: <\/span>
\nNikdy nepou\u017e\u00edvejte zved\u00e1k 402W2 se zav\u011b\u0161en\u00fdm b\u0159emenem, pokud nejsou ov\u011b\u0159eny a funk\u010dn\u00ed alespo\u0148 dva nez\u00e1visl\u00e9 upev\u0148ovac\u00ed mechanismy. Selh\u00e1n\u00ed jedin\u00e9 brzdy nesm\u00ed v\u00e9st k nekontrolovan\u00e9mu kles\u00e1n\u00ed b\u0159emene. Toto nen\u00ed doporu\u010den\u00ed \u2013 jedn\u00e1 se o regula\u010dn\u00ed po\u017eadavek podle prakticky v\u0161ech mezin\u00e1rodn\u00edch norem pro zdvihac\u00ed za\u0159\u00edzen\u00ed.<\/span><\/div>\n<\/section>\n

<\/p>\n

\n

Od 1 000 do 3 500 ot\u00e1\u010dek za minutu \u2013 co odemyk\u00e1 dvoustup\u0148ov\u00e1 architektura<\/h2>\n

Jednostup\u0148ov\u00e9 motory 400W1 a 401W1 akceptuj\u00ed 1 000 ot\/min \u2013 co\u017e je rozsah ot\u00e1\u010dek pro n\u00edzkorychlostn\u00ed orbit\u00e1ln\u00ed motory s velk\u00fdm objemem (200\u2013500 cm3\/ot.). Motor 402W2 s 3 500 ot\/min otev\u00edr\u00e1 dve\u0159e pro vysokorychlostn\u00ed axi\u00e1ln\u00ed p\u00edstov\u00e9 motory s mal\u00fdm objemem (20\u201380 cm3\/ot.), kter\u00e9 produkuj\u00ed stejn\u00fd v\u00fdstupn\u00ed to\u010div\u00fd moment p\u0159i zlomku fyzick\u00e9 velikosti a n\u00e1klad\u016f.<\/p>\n

\n
\n

Men\u0161\u00ed a leh\u010d\u00ed motory<\/strong><\/p>\n

Orbit\u00e1ln\u00ed motor o objemu 250 cm3\/ot. p\u0159i 1 000 ot.\/min. v\u00e1\u017e\u00ed p\u0159ibli\u017en\u011b 25\u201335 kg. Axi\u00e1ln\u00ed p\u00edstov\u00fd motor o objemu 45 cm3\/ot., kter\u00fd vytv\u00e1\u0159\u00ed stejn\u00fd to\u010div\u00fd moment p\u0159i 3 500 ot.\/min., v\u00e1\u017e\u00ed 8\u201312 kg. U lodn\u00edho je\u0159\u00e1bu, kde hmotnost ve v\u00fd\u0161ce p\u0159\u00edmo ovliv\u0148uje stabilitu plavidla, je d\u016fle\u017eit\u00e9 sn\u00ed\u017eit hmotnost motoru 60-70%. U stavebn\u00edho v\u00fdtahu, kde je motor montov\u00e1n uvnit\u0159 uzav\u0159en\u00e9ho pl\u00e1\u0161t\u011b bubnu, m\u016f\u017ee b\u00fdt men\u0161\u00ed fyzick\u00fd obal jedinou vhodnou mo\u017enost\u00ed.<\/p>\n<\/div>\n

\n

Ni\u017e\u0161\u00ed tlak v syst\u00e9mu<\/strong><\/p>\n

P\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch motoru a ni\u017e\u0161\u00edm objemov\u00e9m objemu je tlak v syst\u00e9mu pot\u0159ebn\u00fd k dosa\u017een\u00ed stejn\u00e9ho v\u00fdstupn\u00edho v\u00fdkonu ni\u017e\u0161\u00ed. Ni\u017e\u0161\u00ed tlak znamen\u00e1 men\u0161\u00ed nam\u00e1h\u00e1n\u00ed hadic, armatur, t\u011bsn\u011bn\u00ed a \u010derpadla \u2013 co\u017e prodlu\u017euje \u017eivotnost v\u0161ech sou\u010d\u00e1st\u00ed hydraulick\u00e9ho okruhu. Rozsah p\u0159evodov\u00e9ho pom\u011bru 402W2 (12,4\u201337,1) je speci\u00e1ln\u011b navr\u017een tak, aby umo\u017e\u0148oval motoru provoz p\u0159i 2 000\u20133 000 ot\/min v nej\u00fa\u010dinn\u011bj\u0161\u00edm tlakov\u00e9m p\u00e1smu typick\u00e9ho okruhu s axi\u00e1ln\u00edmi p\u00edsty 250\u2013350 bar\u016f.<\/p>\n<\/div>\n

\n

Variabiln\u00ed rychlost bez slo\u017eitosti ventil\u016f<\/strong><\/p>\n

Axi\u00e1ln\u00ed p\u00edstov\u00e9 motory s prom\u011bnn\u00fdm objemem umo\u017e\u0148uj\u00ed nekone\u010dnou zm\u011bnu rychlosti pomoc\u00ed nastaven\u00ed k\u00fdvav\u00e9 desky \u2013 od pln\u00e9 rychlosti do nuly \u2013 bez jak\u00e9hokoli extern\u00edho ovl\u00e1d\u00e1n\u00ed ventil\u016f nebo regulace pr\u016ftoku. V kombinaci s p\u0159evodov\u00fdm pom\u011brem 402W2 to umo\u017e\u0148uje p\u0159esn\u00e9 \u0159\u00edzen\u00ed rychlosti zdvihu od zved\u00e1n\u00ed plnou rychlost\u00ed dol\u016f a\u017e po \u0159\u00edzen\u00e9 polohov\u00e1n\u00ed plazivou rychlost\u00ed, a to v\u0161e pouze z ovl\u00e1d\u00e1n\u00ed motoru. P\u0159evodovky 402W2 p\u0159en\u00e1\u0161ej\u00ed jakoukoli rychlost a to\u010div\u00fd moment, kter\u00e9 motor dod\u00e1v\u00e1, v obou sm\u011brech, bez mechanick\u00e9ho omezen\u00ed.<\/p>\n<\/div>\n

\n

Flexibilita s v\u00edce pom\u011bry<\/strong><\/p>\n

Rozsah p\u0159evodov\u00fdch pom\u011br\u016f 12,4\u201337,1 umo\u017e\u0148uje konstrukt\u00e9rovi navij\u00e1ku p\u0159izp\u016fsobit p\u0159evodovku p\u0159esn\u00e9mu objemov\u00e9mu objemu motoru a pr\u016ftoku \u010derpadla dostupn\u00e9mu v syst\u00e9mu. V\u00fdrobce origin\u00e1ln\u00edho je\u0159\u00e1bu pou\u017e\u00edvaj\u00edc\u00ed motor o objemu 40 cm3\/ot. a pr\u016ftoku \u010derpadla 120 l\/min vol\u00ed p\u0159evod 25. V\u00fdrobce lodn\u00edch navij\u00e1k\u016f pou\u017e\u00edvaj\u00edc\u00ed motor o objemu 63 cm3\/ot. a pr\u016ftoku 80 l\/min vol\u00ed p\u0159evod 15. Stejn\u00fd p\u0159evodn\u00edk 402W2 slou\u017e\u00ed pro ob\u011b funkce, p\u0159i\u010dem\u017e p\u0159evod je zvolen na objedn\u00e1vku tak, aby odpov\u00eddal konkr\u00e9tn\u00edmu n\u00e1vrhu hydraulick\u00e9ho obvodu. Kontakt Korea Ever-Power<\/a> s va\u0161imi specifikacemi motoru a pr\u016ftoku pro ov\u011b\u0159en\u00e9 doporu\u010den\u00ed pom\u011bru.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Aplikace pohonu vysokorychlostn\u00edho navij\u00e1ku p\u0159i 4 000 Nm<\/h2>\n

\"Dvoustup\u0148ov\u00e1<\/p>\n

\n
\n

Lodn\u00ed palubn\u00ed je\u0159\u00e1by (5-10 tun SWL)<\/h3>\n

Palubn\u00ed je\u0159\u00e1by s kloubov\u00fdm v\u00fdlo\u017en\u00edkem a teleskopick\u00e9 je\u0159\u00e1by na z\u00e1sobovac\u00edch plavidlech, v\u00fdzkumn\u00fdch lod\u00edch a pob\u0159e\u017en\u00edch n\u00e1kladn\u00edch lod\u00edch. Tyto je\u0159\u00e1by pou\u017e\u00edvaj\u00ed hydraulick\u00e9 obvody s certifikac\u00ed DNV nebo Lloyd s vyva\u017eovac\u00edmi ventily jako prim\u00e1rn\u00edm p\u0159\u00eddr\u017en\u00fdm mechanismem a brzdami integrovan\u00fdmi v motoru jako sekund\u00e1rn\u00edm. Bezbrzdn\u00e1 konstrukce 402W2 se integruje p\u0159\u00edmo do t\u00e9to architektury bez p\u0159id\u00e1n\u00ed redundantn\u00ed t\u0159et\u00ed brzdy uvnit\u0159 p\u0159evodovky. planetov\u00e1 p\u0159evodovka s oto\u010dn\u00fdm pohonem<\/a> zvl\u00e1d\u00e1 rotaci je\u0159\u00e1bu na stejn\u00e9m plavidle.<\/p>\n<\/div>\n

\n

Z\u00e1chrann\u00e9 \u010dluny s voln\u00fdm p\u00e1dem a vypro\u0161\u0165ovac\u00edmi je\u0159\u00e1by<\/h3>\n

Je\u0159\u00e1by pro z\u00e1chrann\u00e9 \u010dluny s voln\u00fdm p\u00e1dem na offshore plo\u0161in\u00e1ch a FPSO pou\u017e\u00edvaj\u00ed navij\u00e1k pouze k vypro\u0161t\u011bn\u00ed (vyta\u017een\u00ed z\u00e1chrann\u00e9ho \u010dlunu zp\u011bt do \u00falo\u017en\u00e9 polohy po cvi\u010den\u00ed nebo vypu\u0161t\u011bn\u00ed). Spu\u0161t\u011bn\u00ed na vodu je poh\u00e1n\u011bno gravitac\u00ed \u2013 bez zapojen\u00ed navij\u00e1ku. Model 402W2 poskytuje 4 000 Nm pot\u0159ebn\u00fdch k vyta\u017een\u00ed z\u00e1chrann\u00e9ho \u010dlunu o hmotnosti 5\u20138 tun po skluzu kontrolovanou rychlost\u00ed, zat\u00edmco du\u00e1ln\u00ed vyva\u017eovac\u00ed ventily v hydraulick\u00e9m okruhu je\u0159\u00e1bu zaji\u0161\u0165uj\u00ed v\u0161echny funkce uchycen\u00ed b\u0159emene. P\u0159id\u00e1n\u00ed brzdy uvnit\u0159 p\u0159evodovky by nezlep\u0161ilo bezpe\u010dnostn\u00ed situaci \u2013 pouze by zv\u00fd\u0161ilo hmotnost syst\u00e9mu, kde hmotnost hlavice je\u0159\u00e1bu ovliv\u0148uje v\u00fdpo\u010det konstruk\u010dn\u00edho zat\u00ed\u017een\u00ed plo\u0161iny.<\/p>\n<\/div>\n

\n

Zved\u00e1ky pro t\u011b\u017ek\u00e9 stavebn\u00ed materi\u00e1ly<\/h3>\n

Vysokokapacitn\u00ed materi\u00e1lov\u00e9 kladkostroje na velk\u00fdch staveni\u0161t\u00edch, kter\u00e9 zvedaj\u00ed 1\u20133 tuny beton\u00e1\u0159sk\u00e9 oceli, bednic\u00edch panel\u016f a prefabrikovan\u00fdch prvk\u016f. Tyto kladkostroje obvykle pou\u017e\u00edvaj\u00ed elektromagnetick\u00e9 brzdy namontovan\u00e9 na motoru (prim\u00e1rn\u00ed) a bubnovou t\u0159menovou brzdu (sekund\u00e1rn\u00ed) jako syst\u00e9m dvojit\u00e9 brzdy vy\u017eadovan\u00fd stavebn\u00ed p\u0159edpisy pro zved\u00e1n\u00ed<\/a>Navij\u00e1k 402W2 dod\u00e1v\u00e1 kroutic\u00ed moment bubnu, zat\u00edmco extern\u00ed brzdy zaji\u0161\u0165uj\u00ed funkci p\u0159idr\u017eov\u00e1n\u00ed, co\u017e umo\u017e\u0148uje konstrukt\u00e9rovi navij\u00e1ku specifikovat ka\u017edou brzdu samostatn\u011b pro optim\u00e1ln\u00ed dimenzov\u00e1n\u00ed a redundanci.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Pot\u0159ebujete brzdu uvnit\u0159? Alternativa 403W2<\/h2>\n

Pokud va\u0161e aplikace vy\u017eaduje integrovanou brzdu p\u0159evodovky \u2013 proto\u017ee extern\u00ed syst\u00e9m nem\u016f\u017ee poskytnout po\u017eadovanou p\u0159\u00eddr\u017enou kapacitu nebo p\u0159\u00edslu\u0161n\u00e1 norma vy\u017eaduje brzdu uvnit\u0159 sestavy bubnu \u2013 je model 403W2 p\u0159\u00edm\u00fdm prot\u011bj\u0161kem modelu 402W2. Stejn\u00fd to\u010div\u00fd moment 4 000 Nm, stejn\u00e1 dvoustup\u0148ov\u00e1 architektura, stejn\u00e1 certifikace FEM M5 a nav\u00edc integrovan\u00e1 v\u00edcekotou\u010dov\u00e1 brzda s to\u010div\u00fdm momentem 270 Nm.<\/p>\n

\n
\n

\"Oto\u010dn\u00fd<\/p>\n

\n

Planetov\u00e1 p\u0159evodovka s oto\u010dn\u00fdm pohonem \u2192<\/a><\/h3>\n

\u0158ada ZR pro ot\u00e1\u010den\u00ed v\u00fdlo\u017en\u00edku je\u0159\u00e1bu, vykl\u00e1p\u011bn\u00ed je\u0159\u00e1bu a ot\u00e1\u010den\u00ed palubn\u00edho je\u0159\u00e1bu na stejn\u00fdch n\u00e1mo\u0159n\u00edch plo\u0161in\u00e1ch.<\/p>\n<\/div>\n<\/div>\n

\n

\"Pohon<\/p>\n

\n

Planetov\u00e1 p\u0159evodovka pohonu kol \u2192<\/a><\/h3>\n

Pohony kol EP pro pojezd mobiln\u00edch je\u0159\u00e1b\u016f a pohon stavebn\u00edch vozidel.<\/p>\n<\/div>\n<\/div>\n

\n

\"P\u0159esn\u00e1<\/p>\n

\n

P\u0159esn\u00e1 planetov\u00e1 p\u0159evodovka \u2192<\/a><\/h3>\n

EP-ZDS pro mechanismy je\u0159\u00e1b\u016f s vyrovn\u00e1vac\u00edmi mechanismy, syst\u00e9my veden\u00ed lan navij\u00e1k\u016f a ovl\u00e1d\u00e1n\u00ed polohy je\u0159\u00e1b\u016f.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Planetov\u00e1 p\u0159evodovka s pohonem navij\u00e1ku \u2013 \u010casto kladen\u00e9 ot\u00e1zky k bezbrzdn\u00e9mu provozu a vysok\u00fdm rychlostem<\/h2>\n
\n
\n

Je bezpe\u010dn\u00e9 provozovat pohon navij\u00e1ku bez vnit\u0159n\u00ed brzdy?<\/h3>\n

Ano, za p\u0159edpokladu, \u017ee extern\u00ed brzdov\u00fd syst\u00e9m spl\u0148uje po\u017eadavky na redundanci a \u00fanosnost p\u0159\u00edslu\u0161n\u00e9 normy pro zved\u00e1n\u00ed. Za\u0159\u00edzen\u00ed 402W2 nen\u00ed ur\u010deno pro syst\u00e9my, kter\u00e9 se spol\u00e9haj\u00ed na jedinou vnit\u0159n\u00ed brzdu p\u0159evodovky jako jedin\u00fd mechanismus pro uchycen\u00ed b\u0159emene. Je navr\u017eeno pro syst\u00e9my, kde je brzd\u011bn\u00ed rozd\u011bleno mezi v\u00edce nez\u00e1visl\u00fdch komponent \u2013 \u200b\u200bmotorov\u00e9 brzdy, vyva\u017eovac\u00ed ventily a\/nebo extern\u00ed bubnov\u00e9 brzdy \u2013 z nich\u017e ka\u017ed\u00e1 je dimenzov\u00e1na tak, aby nez\u00e1visle unesla cel\u00e9 zav\u011b\u0161en\u00e9 b\u0159emeno.<\/p>\n<\/div>\n

\n

Jak\u00fd je rozd\u00edl mezi 402W2 a 403W2?<\/h3>\n

Stejn\u00fd to\u010div\u00fd moment (4 000 Nm), stejn\u00e1 dvoustup\u0148ov\u00e1 architektura, stejn\u00e1 klasifikace zat\u00ed\u017een\u00ed dle FEM M5, stejn\u00e9 vstupn\u00ed ot\u00e1\u010dky 3 500 ot\/min. Model 403W2 p\u0159id\u00e1v\u00e1 uvnit\u0159 sk\u0159\u00edn\u011b v\u00edcelamelovou negativn\u00ed parkovac\u00ed brzdu s to\u010div\u00fdm momentem 270 Nm, co\u017e zvy\u0161uje hmotnost vozidla p\u0159ibli\u017en\u011b o 5 kg (120 vs 115 kg) a rozsah p\u0159evodov\u00fdch pom\u011br\u016f se m\u00edrn\u011b posouv\u00e1 (15,4\u201340 vs 12,4\u201337,1) v d\u016fsledku vnit\u0159n\u00edho prostoru, kter\u00fd brzdov\u00e1 sestava zab\u00edr\u00e1. Pokud aplikace vy\u017eaduje intern\u00ed brzdu, specifikujte model 403W2. Pokud extern\u00ed brzdov\u00fd syst\u00e9m poskytuje ve\u0161kerou po\u017eadovanou brzdnou kapacitu, je model 402W2 leh\u010d\u00ed a nab\u00edz\u00ed m\u00edrn\u011b ni\u017e\u0161\u00ed p\u0159evodov\u00e9 pom\u011bry.<\/p>\n<\/div>\n

\n

Pro\u010d 402W2 akceptuje 3 500 ot\/min, kdy\u017e 400\/401 akceptuje pouze 1 000 ot\/min?<\/h3>\n

Jednostup\u0148ov\u00e9 modely 400\/401 pou\u017e\u00edvaj\u00ed jedno velk\u00e9 centr\u00e1ln\u00ed kolo, kter\u00e9 vytv\u00e1\u0159\u00ed vysokou obvodovou rychlost zubu p\u0159i vysok\u00fdch vstupn\u00edch ot\u00e1\u010dk\u00e1ch. Dvoustup\u0148ov\u00fd model 402W2 rozd\u011bluje celkovou redukci mezi dv\u011b men\u0161\u00ed sady ozuben\u00fdch kol, z nich\u017e ka\u017ed\u00e1 pracuje s ni\u017e\u0161\u00ed obvodovou rychlost\u00ed, ne\u017e by jeden stupe\u0148 pracoval p\u0159i stejn\u00fdch vstupn\u00edch ot\u00e1\u010dk\u00e1ch. To umo\u017e\u0148uje modelu 402W2 bezpe\u010dn\u011b akceptovat 3 500 ot\/min \u2013 rychlost zubu v ka\u017ed\u00e9m stupni je srovnateln\u00e1 s modelem 400\/401 p\u0159i 1 000 ot\/min. Dvoustup\u0148ov\u00e1 konstrukce sou\u010dasn\u011b umo\u017e\u0148uje vy\u0161\u0161\u00ed vstupn\u00ed ot\u00e1\u010dky a vy\u0161\u0161\u00ed celkov\u00fd p\u0159evodov\u00fd pom\u011br.<\/p>\n<\/div>\n

\n

Lze model 402W2 pou\u017e\u00edt pro certifikaci je\u0159\u00e1bov\u00fdch kladkostroj\u016f podle normy EN 13001?<\/h3>\n

Ano. Norma EN 13001 vy\u017eaduje, aby zvedac\u00ed mechanismus m\u011bl alespo\u0148 dva nez\u00e1visl\u00e9 prost\u0159edky zabra\u0148uj\u00edc\u00ed nekontrolovan\u00e9mu kles\u00e1n\u00ed b\u0159emene. Funkce p\u0159enosu to\u010div\u00e9ho momentu zaji\u0161\u0165uje za\u0159\u00edzen\u00ed 402W2; brzdn\u00e1 funkce mus\u00ed b\u00fdt zaji\u0161t\u011bna alespo\u0148 dv\u011bma extern\u00edmi komponenty (nap\u0159\u00edklad motorov\u00e1 brzda + vyva\u017eovac\u00ed ventil nebo motorov\u00e1 brzda + bubnov\u00e1 t\u0159menov\u00e1 brzda). Samotn\u00e1 p\u0159evodovka je v t\u00e9to syst\u00e9mov\u00e9 architektu\u0159e komponentou pro p\u0159enos to\u010div\u00e9ho momentu, nikoli bezpe\u010dnostn\u00ed komponentou. Pro certifikaci dle EN 13001 poskytn\u011bte notifikovan\u00e9 osob\u011b kompletn\u00ed n\u00e1vrh brzdov\u00e9ho syst\u00e9mu.<\/p>\n<\/div>\n

\n

Jak\u00fd je doporu\u010den\u00fd pom\u011br pilotn\u00edho \u0159\u00edzen\u00ed vyva\u017eovac\u00edho ventilu pro 402W2 p\u0159i spou\u0161t\u011bn\u00ed?<\/h3>\n

\u0158\u00eddic\u00ed pom\u011br vyva\u017eovac\u00edho ventilu z\u00e1vis\u00ed na provozn\u00edm tlaku syst\u00e9mu a tlaku vyvolan\u00e9m zat\u00ed\u017een\u00edm na portech motoru. Jako v\u00fdchoz\u00ed bod: zvolte pilotn\u00ed pom\u011br 3:1 a\u017e 4,5:1. Vy\u0161\u0161\u00ed pilotn\u00ed pom\u011br zaji\u0161\u0165uje plynulej\u0161\u00ed ovl\u00e1d\u00e1n\u00ed spou\u0161t\u011bn\u00ed, ale k otev\u0159en\u00ed ventilu vy\u017eaduje v\u011bt\u0161\u00ed pilotn\u00ed tlak. Ni\u017e\u0161\u00ed pilotn\u00ed pom\u011br se sn\u00e1ze otev\u00edr\u00e1, ale p\u0159i n\u00edzk\u00fdch rychlostech m\u016f\u017ee zp\u016fsobit trhav\u00e9 spou\u0161t\u011bn\u00ed. Optim\u00e1ln\u00ed nastaven\u00ed se ur\u010d\u00ed testov\u00e1n\u00edm na skute\u010dn\u00e9m je\u0159\u00e1bu \u2013 upravujte v kroc\u00edch po 0,5:1, dokud rychlost spou\u0161t\u011bn\u00ed nebude plynul\u00e1 a ovladateln\u00e1 p\u0159i v\u0161ech \u00farovn\u00edch zat\u00ed\u017een\u00ed od nuly do maxima.<\/p>\n<\/div>\n

\n

Jak se porovn\u00e1v\u00e1 \u00fa\u010dinnost planetov\u00e9 p\u0159evodovky pohonu navij\u00e1ku s... pohon navij\u00e1ku se \u0161nekov\u00fdm p\u0159evodem<\/a> p\u0159i stejn\u00e9m to\u010div\u00e9m momentu?<\/h3>\n

Navij\u00e1k 402W2 s \u00fa\u010dinnost\u00ed 951 TP3T pl\u00fdtv\u00e1 51 TP3T vstupn\u00edho v\u00fdkonu jako teplo. \u0160nekov\u00fd p\u0159evod se stejn\u00fdm rozsahem p\u0159evodov\u00fdch pom\u011br\u016f (12\u201337:1) pracuje s \u00fa\u010dinnost\u00ed 55\u2013751 TP3T a pl\u00fdtv\u00e1 25\u2013451 TP3T vstupn\u00edho v\u00fdkonu jako teplo. Pro navij\u00e1k s to\u010div\u00fdm momentem 4 000 Nm, kter\u00fd zved\u00e1 2tunov\u00fd n\u00e1klad rychlost\u00ed 20 m\/min, vy\u017eaduje 402W2 p\u0159ibli\u017en\u011b 14,0 kW hydraulick\u00e9ho vstupn\u00edho v\u00fdkonu. \u0160nekov\u00fd p\u0159evod by pro stejn\u00fd zdvih vy\u017eadoval 18,7\u201325,5 kW \u2013 o 33\u2013821 TP3T v\u00edce v\u00fdkonu, kter\u00fd se v\u0161e p\u0159em\u011b\u0148uje na teplo uvnit\u0159 ut\u011bsn\u011bn\u00e9 sk\u0159\u00edn\u011b bubnu. P\u0159i t\u00e9to \u00farovni v\u00fdkonu se st\u00e1v\u00e1 limituj\u00edc\u00edm faktorem probl\u00e9m s tepeln\u00fdm \u0159\u00edzen\u00edm \u0161nekov\u00e9ho p\u0159evodu dlouho p\u0159ed dosa\u017een\u00edm jmenovit\u00e9ho to\u010div\u00e9ho momentu.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Zpr\u00e1vy z ter\u00e9nu<\/h2>\n
\n
\n
\n
\u00d3<\/div>\n
\n
Olav H. \u2014 Syst\u00e9mov\u00fd in\u017een\u00fdr pro lodn\u00ed je\u0159\u00e1by<\/div>\n
Ov\u011b\u0159en\u00fd n\u00e1kup \u00b7 Haugesund, Norsko \u00b7 duben 2026<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n<\/div>\n

Osmitunov\u00fd je\u0159\u00e1b SWL s kloubov\u00fdm v\u00fdlo\u017en\u00edkem na z\u00e1sobovac\u00ed lodi pro plo\u0161iny. Je\u0159\u00e1b 402W2 s p\u0159evodov\u00fdm pom\u011brem 28 byl sp\u00e1rov\u00e1n s motorem Rexroth A2FM o objemu 45 cm3\/ot. a dvojit\u00fdmi vyva\u017eovac\u00edmi ventily. Bezbrzdn\u00e1 konstrukce byla pro tuto aplikaci spr\u00e1vnou volbou \u2013 n\u00e1\u0161 hydraulick\u00fd okruh s certifikac\u00ed DNV zaji\u0161\u0165uje motorovou brzdu a z\u00e1rove\u0148 udr\u017een\u00ed vyva\u017eovac\u00edho mechanismu a p\u0159id\u00e1n\u00ed t\u0159et\u00ed brzdy uvnit\u0159 p\u0159evodovky by vy\u017eadovalo op\u011btovnou certifikaci cel\u00e9ho brzdov\u00e9ho syst\u00e9mu. Je\u0159\u00e1b 402W2 pro\u0161el typovou homologac\u00ed DNV bez jak\u00e9koli dal\u0161\u00ed dokumentace nad r\u00e1mec standardn\u00edho datov\u00e9ho listu produktu a materi\u00e1lov\u00fdch certifik\u00e1t\u016f. \u010cist\u00e9 a jednoduch\u00e9.<\/p>\n<\/div>\n

\n
\n
C<\/div>\n
\n
Chris W. \u2014 V\u00fdrobce offshore je\u0159\u00e1b\u016f<\/div>\n
Ov\u011b\u0159en\u00fd n\u00e1kup<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2605<\/div>\n<\/div>\n

Voln\u011b padaj\u00edc\u00ed z\u00e1chrann\u00fd \u010dlun s vypro\u0161\u0165ovac\u00edm je\u0159\u00e1bem pro projekt FPSO. Navij\u00e1k pracuje pouze ve sm\u011bru zved\u00e1n\u00ed \u2013 vypro\u0161\u0165uje 6,5tunov\u00fd z\u00e1chrann\u00fd \u010dlun po cvi\u010den\u00ed. Model 402W2 s p\u0159evodov\u00fdm pom\u011brem 18 a motorem s prom\u011bnn\u00fdm objemem 63 cm3\/ot. n\u00e1m poskytuje rychlost vypro\u0161\u0165ov\u00e1n\u00ed 15 m\/min p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed. Proveden\u00ed bez brzdy bylo konkr\u00e9tn\u011b po\u017eadov\u00e1no provozovatelem plo\u0161iny, proto\u017ee jeho postup \u00fadr\u017eby pova\u017euje brzdy uvnit\u0159 p\u0159evodovky za kontrolovanou polo\u017eku, kter\u00e1 vy\u017eaduje demont\u00e1\u017e bubnu \u2013 co\u017e u FPSO znamen\u00e1 je\u0159\u00e1b a t\u0159\u00eddenn\u00ed pracovn\u00ed povolen\u00ed. Absence vnit\u0159n\u00ed brzdy znamen\u00e1, \u017ee \u017e\u00e1dn\u00e1 kontrola brzd znamen\u00e1, \u017ee se ani buben nesm\u00ed demontovat. Vyva\u017eovac\u00ed ventily zaji\u0161\u0165uj\u00ed v\u0161echny funkce p\u0159idr\u017eov\u00e1n\u00ed a jsou p\u0159\u00edstupn\u00e9 z vn\u011bj\u0161ku pouzdra bubnu.<\/p>\n<\/div>\n

\n
\n
B.<\/div>\n
\n
Ben K. \u2014 Konstrukt\u00e9r OEM stavebn\u00edch v\u00fdtah\u016f<\/div>\n
Ov\u011b\u0159en\u00fd n\u00e1kup \u00b7 \u010derven 2026<\/div>\n<\/div>\n
\u2605\u2605\u2605\u2605\u2606<\/div>\n<\/div>\n

2,5tunov\u00fd materi\u00e1lov\u00fd kladkostroj pro v\u00fd\u0161kov\u00e9 stavby. Model 402W2 s p\u0159evodov\u00fdm pom\u011brem 25 s elektromagnetickou brzdou namontovanou na motoru (prim\u00e1rn\u00ed) a bubnovou t\u0159menovou brzdou (sekund\u00e1rn\u00ed). Mechanicky je pohon spolehliv\u00fd a regulace rychlosti zdvihu pomoc\u00ed motoru s prom\u011bnn\u00fdm objemem je plynul\u00e1. \u010cty\u0159hv\u011bzdi\u010dkov\u00e9 hodnocen\u00ed odr\u00e1\u017e\u00ed probl\u00e9m s dokumentac\u00ed: v datov\u00e9m listu produktu je uvedeno \u201evy\u017eadov\u00e1n extern\u00ed brzdn\u00fd syst\u00e9m\u201c, ale nespecifikuje se MINIM\u00c1LN\u00cd pot\u0159ebn\u00fd brzdn\u00fd moment na bubnu pro r\u016fzn\u00e9 sc\u00e9n\u00e1\u0159e zat\u00ed\u017een\u00ed. Vypo\u010d\u00edtali jsme ho sami z to\u010div\u00e9ho momentu a p\u0159evodu, ale p\u0159edem vypo\u010d\u00edtan\u00e1 tabulka ukazuj\u00edc\u00ed \u201ep\u0159i zat\u00ed\u017een\u00ed X na v\u00e1lci bubnu Y je minim\u00e1ln\u00ed extern\u00ed brzdn\u00fd moment = Z\u201c by urychlila na\u0161e p\u0159edlo\u017een\u00ed bezpe\u010dnostn\u00ed dokumentace o t\u00fdden.<\/p>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

EP-402W2 je prvn\u00ed dvoustup\u0148ov\u00e1 planetov\u00e1 p\u0159evodovka s pohonem navij\u00e1ku v katalogu korejsk\u00e9 spole\u010dnosti Ever-Power: 4 000 Nm v rozsahu v\u00edce p\u0159evodov\u00fdch stup\u0148\u016f od 12,4 do 37,1 p\u0159i vstupn\u00edch ot\u00e1\u010dk\u00e1ch a\u017e 3 500 ot.\/min. Je to tak\u00e9 prvn\u00ed model pohonu navij\u00e1ku, kter\u00fd se dod\u00e1v\u00e1 bez integrovan\u00e9 parkovac\u00ed brzdy \u2013 z\u00e1m\u011brn\u00e1 konstruk\u010dn\u00ed volba pro zdvihac\u00ed syst\u00e9my, kde brzdnou funkci zaji\u0161\u0165uje v\u00fdhradn\u011b hydraulick\u00fd motor, extern\u00ed t\u0159menov\u00e9 brzdy nebo vyva\u017eovac\u00ed ventily v okruhu. Toto architektonick\u00e9 rozhodnut\u00ed \u0161et\u0159\u00ed hmotnost, eliminuje \u00fadr\u017ebu brzdov\u00fdch kotou\u010d\u016f a umo\u017e\u0148uje konstrukt\u00e9rovi navij\u00e1kov\u00e9ho syst\u00e9mu specifikovat zp\u016fsob brzd\u011bn\u00ed, kter\u00fd odpov\u00edd\u00e1 aplika\u010dn\u00edmu standardu \u2013 nikoliv ten, kter\u00fd je zabudov\u00e1n v p\u0159evodovce.<\/div>","protected":false},"featured_media":940,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[969],"product_tag":[],"class_list":["post-931","product","type-product","status-publish","has-post-thumbnail","product_cat-winch-drive-planetary-gearbox","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/product\/931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/comments?post=931"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media\/940"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media?parent=931"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/product_brand?post=931"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/product_cat?post=931"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/product_tag?post=931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}