{"id":1150,"date":"2026-06-25T05:39:15","date_gmt":"2026-06-25T05:39:15","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1150"},"modified":"2026-06-25T05:39:15","modified_gmt":"2026-06-25T05:39:15","slug":"wheel-drive-planetary-gearbox-for-access-platforms","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/wheel-drive-planetary-gearbox-for-access-platforms\/","title":{"rendered":"Planetov\u00e1 p\u0159evodovka s pohonem kol pro p\u0159\u00edstupov\u00e9 plo\u0161iny"},"content":{"rendered":"
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\"Planetov\u00e1<\/p>\n
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Korea Ever-Power \u00b7 Aplika\u010dn\u00ed in\u017een\u00fdrstv\u00ed \u00b7 P\u0159\u00edstupov\u00e9 platformy<\/p>\n

Planetov\u00e1 p\u0159evodovka s pohonem kol pro p\u0159\u00edstupov\u00e9 plo\u0161iny<\/h1>\n

V\u00fdlo\u017en\u00edk p\u0159epravuje pracovn\u00edky do v\u00fd\u0161ky 40 metr\u016f \u2013 a pohon kol mus\u00ed tento stroj pohybovat s t\u011b\u017ei\u0161t\u011bm, kter\u00e9 se posouv\u00e1 z 1,5 metru (v p\u0159epravovan\u00e9m stavu) na 12 metr\u016f (v rozlo\u017een\u00e9m stavu). Rychlost se mus\u00ed automaticky sni\u017eovat se zvednut\u00edm plo\u0161iny, proto\u017ee riziko p\u0159evr\u00e1cen\u00ed p\u0159i pln\u00e9m vysunut\u00ed je 5 a\u017e 10kr\u00e1t vy\u0161\u0161\u00ed ne\u017e ve p\u0159epravovan\u00e9m stavu. Ka\u017ed\u00e9 rozhodnut\u00ed t\u00fdkaj\u00edc\u00ed se pohonu kol je rozhodnut\u00edm o bezpe\u010dnosti pracovn\u00edk\u016f.<\/p>\n

Proch\u00e1zet planetov\u00e9 p\u0159evodovky pohonu kol \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Typy platforem a jejich po\u017eadavky na pohon kol<\/h2>\n

Samohybn\u00e9 p\u0159\u00edstupov\u00e9 plo\u0161iny (naz\u00fdvan\u00e9 tak\u00e9 zdvi\u017en\u00e9 pracovn\u00ed plo\u0161iny, MEWP nebo t\u0159e\u0161\u0148ov\u00e9 sb\u011bra\u010de) spadaj\u00ed do t\u0159\u00ed kategori\u00ed \u2013 ka\u017ed\u00e1 s jin\u00fdm planetov\u00e1 p\u0159evodovka pohonu kol<\/a> po\u017eadavky zalo\u017een\u00e9 na pracovn\u00ed v\u00fd\u0161ce, posunu t\u011b\u017ei\u0161t\u011b b\u011bhem provozu a ter\u00e9nu, na kter\u00e9m pracuj\u00ed.<\/p>\n

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Teleskopick\u00e9 v\u00fdlo\u017en\u00edky (pracovn\u00ed v\u00fd\u0161ka 12 a\u017e 58 m)<\/div>\n

Nejn\u00e1ro\u010dn\u011bj\u0161\u00ed aplikace s pohonem kol. Teleskopick\u00fd v\u00fdlo\u017en\u00edk se vysouv\u00e1 na v\u00edce ne\u017e 40 metr\u016f, \u010d\u00edm\u017e se t\u011b\u017ei\u0161t\u011b posouv\u00e1 z 1,5 metru (v zav\u011b\u0161en\u00e9 poloze) na 8 a\u017e 15 metr\u016f (vysunut\u00e9 s p\u0159esahem). Hmotnost stroje: 12 a\u017e 28 tun. Pohon kol mus\u00ed v zav\u011b\u0161en\u00e9 poloze zvl\u00e1dat n\u00e1ro\u010dn\u00fd ter\u00e9n (staveni\u0161t\u011b, nezpevn\u011bn\u00fd ter\u00e9n) a p\u0159i vysunut\u00ed v\u00fdlo\u017en\u00edku mus\u00ed b\u00fdt rychlost omezena nebo zablokov\u00e1na. Pohon v\u0161ech kol s jednotliv\u00fdmi motory kol je u model\u016f pro n\u00e1ro\u010dn\u00fd ter\u00e9n standardn\u00ed.<\/p>\n<\/div>\n

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Kloubov\u00e9 plo\u0161iny (pracovn\u00ed v\u00fd\u0161ka 12 a\u017e 43 m)<\/div>\n

Kloubov\u00fd v\u00fdlo\u017en\u00edk umo\u017e\u0148uje dosah nahoru a nahoru pro p\u0159\u00edstup k poloh\u00e1m za p\u0159ek\u00e1\u017ekami. Hmotnost stroje: 7 a\u017e 22 tun. Posun t\u011b\u017ei\u0161t\u011b b\u011bhem kloubu je m\u00e9n\u011b p\u0159edv\u00eddateln\u00fd ne\u017e u teleskopick\u00e9ho v\u00fdlo\u017en\u00edku \u2013 proto\u017ee v\u00fdlo\u017en\u00edk lze polohovat do v\u00edce \u00fahl\u016f sou\u010dasn\u011b. \u0158\u00eddic\u00ed syst\u00e9m pohonu kol mus\u00ed vypo\u010d\u00edtat polohu t\u011b\u017ei\u0161t\u011b v re\u00e1ln\u00e9m \u010dase ze senzor\u016f \u00fahlu v\u00fdlo\u017en\u00edku a podle toho upravit maxim\u00e1ln\u00ed povolenou rychlost pojezdu.<\/p>\n<\/div>\n

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N\u016f\u017ekov\u00e9 zved\u00e1ky (pracovn\u00ed v\u00fd\u0161ka 6 a\u017e 20 m)<\/div>\n

Vertik\u00e1ln\u011b zvedac\u00ed plo\u0161iny, kter\u00e9 zvedaj\u00ed celou pracovn\u00ed plo\u0161inu rovn\u011b nahoru. T\u011b\u017ei\u0161t\u011b se zved\u00e1 s plo\u0161inou, ale z\u016fst\u00e1v\u00e1 p\u0159\u00edmo nad rozvorem \u2013 co\u017e p\u0159edstavuje men\u0161\u00ed riziko p\u0159evr\u00e1cen\u00ed ne\u017e u ramenov\u00fdch zved\u00e1k\u016f ve stejn\u00e9 v\u00fd\u0161ce. Hmotnost stroje: 2 a\u017e 12 tun. Ter\u00e9nn\u00ed n\u016f\u017ekov\u00e9 zved\u00e1ky pracuj\u00ed na staveni\u0161t\u00edch a vy\u017eaduj\u00ed pohon v\u0161ech kol s mo\u017enost\u00ed trakce v ter\u00e9nu. Vnit\u0159n\u00ed n\u016f\u017ekov\u00e9 zved\u00e1ky pracuj\u00ed na hladk\u00fdch, rovn\u00fdch podlah\u00e1ch a pou\u017e\u00edvaj\u00ed men\u0161\u00ed, nezanech\u00e1vaj\u00edc\u00ed \u0161mouhy pohony kol optimalizovan\u00e9 pro ot\u00e1\u010den\u00ed v \u00fazk\u00fdch prostorech.<\/p>\n<\/div>\n<\/div>\n

Spole\u010dn\u00fdm rysem v\u0161ech t\u0159\u00ed typ\u016f je, \u017ee pohon kol je syst\u00e9m s kritick\u00fdm v\u00fdznamem pro bezpe\u010dnost. Na rozd\u00edl od zem\u011bd\u011blsk\u00fdch pohon\u016f kol \u2013 kde porucha zp\u016fsobuje ekonomick\u00e9 ztr\u00e1ty (po\u0161kozen\u00ed plodiny, prostoje) \u2013 m\u016f\u017ee porucha pohonu kol u p\u0159\u00edstupov\u00e9 plo\u0161iny zp\u016fsobit zran\u011bn\u00ed nebo smrt pracovn\u00edka. Pohon kol, kter\u00fd n\u00e1hle zrychl\u00ed, nebrzd\u00ed nebo zp\u016fsob\u00ed prudk\u00fd n\u00e1r\u016fst to\u010div\u00e9ho momentu, kter\u00fd naklon\u00ed stroj, kdy\u017e jsou pracovn\u00edci 20 a\u017e 40 metr\u016f nad zem\u00ed, p\u0159edstavuje \u017eivot ohro\u017euj\u00edc\u00ed ud\u00e1lost. Tato bezpe\u010dnostn\u00ed kritick\u00e1 skute\u010dnost povy\u0161uje specifikaci pohonu kol z \u00farovn\u011b in\u017een\u00fdrsk\u00e9 optimalizace na po\u017eadavek shody s p\u0159edpisy \u2013 kter\u00fd se \u0159\u00edd\u00ed normami EN 280, ANSI A92 a ISO 16368, kter\u00e9 na\u0159izuj\u00ed specifick\u00fd brzdn\u00fd v\u00fdkon, omezen\u00ed rychlosti a rezervy stability.<\/p>\n<\/section>\n

\"Pohon<\/p>\n

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Omezen\u00ed rychlosti v z\u00e1vislosti na v\u00fd\u0161ce \u2013 Pohon mus\u00ed zpomalit, jakmile plo\u0161ina stoup\u00e1<\/h2>\n

Nejd\u016fle\u017eit\u011bj\u0161\u00ed funkc\u00ed pohonu kol na p\u0159\u00edstupov\u00e9 plo\u0161in\u011b je automatick\u00e9 sni\u017eov\u00e1n\u00ed rychlosti p\u0159i vysouv\u00e1n\u00ed v\u00fdlo\u017en\u00edku. Normy EN 280 a ANSI A92 vy\u017eaduj\u00ed, aby se maxim\u00e1ln\u00ed rychlost pojezdu sni\u017eovala se zvy\u0161uj\u00edc\u00ed se v\u00fd\u0161kou plo\u0161iny \u2013 proto\u017ee riziko p\u0159evr\u00e1cen\u00ed se zvy\u0161uje s v\u00fd\u0161kou t\u011b\u017ei\u0161t\u011b a dynamick\u00e9 s\u00edly z j\u00edzdy na nerovn\u00e9m ter\u00e9nu se na vyv\u00fd\u0161en\u00e9 plo\u0161in\u011b zesiluj\u00ed.<\/p>\n

\n\n\n\n\n\n\n\n
Poloha v\u00fdlo\u017en\u00edku<\/th>\nV\u00fd\u0161ka t\u011b\u017ei\u0161t\u011b<\/th>\nMaxim\u00e1ln\u00ed rychlost pohonu<\/th>\nMar\u017ee stability<\/th>\n<\/tr>\n<\/thead>\n
Ulo\u017een\u00e9 (cestovn\u00ed)<\/td>\n1,5 m<\/td>\n6\u20138 km\/h<\/td>\nVysok\u00fd<\/td>\n<\/tr>\n
\u010c\u00e1ste\u010dn\u00e9 prodlou\u017een\u00ed<\/td>\n4\u20138 m<\/td>\n2\u20134 km\/h<\/td>\nM\u00edrn\u00fd<\/td>\n<\/tr>\n
Pln\u00e9 prodlou\u017een\u00ed<\/td>\n8\u201315 m<\/td>\n0,5\u20131,5 km\/h nebo uzam\u010deno<\/td>\nMinim\u00e1ln\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Omezen\u00ed rychlosti je implementov\u00e1no pomoc\u00ed hydrostatick\u00e9ho \u0159\u00edzen\u00ed v\u00fdtlaku \u010derpadla \u2013 \u0159\u00eddic\u00ed syst\u00e9m stroje sn\u00edm\u00e1 \u00fadaje ze senzor\u016f \u00fahlu a vysunut\u00ed v\u00fdlo\u017en\u00edku, vypo\u010d\u00edt\u00e1v\u00e1 efektivn\u00ed v\u00fd\u0161ku t\u011b\u017ei\u0161t\u011b a omezuje maxim\u00e1ln\u00ed v\u00fdtlak \u010derpadla (a t\u00edm i maxim\u00e1ln\u00ed rychlost pohonu kol) na hodnotu povolenou pro danou konfiguraci t\u011b\u017ei\u0161t\u011b. Pohon kol mus\u00ed na tyto variabiln\u00ed limity rychlosti reagovat p\u0159esn\u011b \u2013 jak\u00e9koli p\u0159ekro\u010den\u00ed povolen\u00e9 rychlosti naru\u0161uje v\u00fdpo\u010det stability a m\u016f\u017ee spustit alarm n\u00e1klonu stroje nebo v nejhor\u0161\u00edm p\u0159\u00edpad\u011b p\u0159evr\u00e1cen\u00ed.<\/p>\n

Plynulost p\u0159echodu rychlosti je tak\u00e9 d\u016fle\u017eit\u00e1 z hlediska bezpe\u010dnosti. Kdy\u017e obsluha vysune rameno za j\u00edzdy (co\u017e je u n\u011bkter\u00fdch stroj\u016f povoleno p\u0159i n\u00edzk\u00e9 rychlosti), rychlostn\u00ed limit se postupn\u011b sni\u017euje. Pohon kol mus\u00ed plynule zpomalovat na nov\u00fd doln\u00ed limit \u2013 bez n\u00e1hl\u00e9ho sn\u00ed\u017een\u00ed rychlosti, kter\u00e9 by mohlo pracovn\u00edky na plo\u0161in\u011b trhnout. Maxim\u00e1ln\u00ed povolen\u00e1 rychlost zpomalen\u00ed je obvykle 0,5 km\/h za sekundu \u2013 pomalej\u0161\u00ed rychlosti se up\u0159ednost\u0148uj\u00ed, proto\u017ee pracovn\u00edci stoj\u00edc\u00ed na plo\u0161in\u011b vn\u00edmaj\u00ed zpomalen\u00ed jako pod\u00e9lnou s\u00edlu, kter\u00e1 m\u016f\u017ee zp\u016fsobit ztr\u00e1tu rovnov\u00e1hy.<\/p>\n

Brzdov\u00fd syst\u00e9m mus\u00ed tak\u00e9 reagovat na v\u00fd\u0161ku. P\u0159i pln\u00e9m vysunut\u00ed v\u00fdlo\u017en\u00edku na svahu mus\u00ed parkovac\u00ed brzda udr\u017eet stroj proti gravita\u010dn\u00ed slo\u017ece a zat\u00ed\u017een\u00ed v\u011btrem a\u017e do rychlosti 100 km\/h (po\u017eadavek normy EN 280) \u2013 p\u0159i\u010dem\u017e t\u011b\u017ei\u0161t\u011b je 8 a\u017e 15 metr\u016f nad zem\u00ed. P\u0159\u00eddr\u017en\u00fd moment brzdy p\u0159i pln\u00e9m vysunut\u00ed m\u016f\u017ee b\u00fdt 3 a\u017e 5kr\u00e1t vy\u0161\u0161\u00ed ne\u017e po\u017eadavek pro slo\u017eenou polohu, proto\u017ee vysok\u00e9 t\u011b\u017ei\u0161t\u011b zesiluje klopn\u00fd moment zp\u016fsoben\u00fd svahem a v\u011btrem. Brzda pohonu kol mus\u00ed b\u00fdt dimenzov\u00e1na na tuto nejhor\u0161\u00ed kombinaci \u2013 nejen na p\u0159\u00eddr\u017en\u00fd moment v slo\u017een\u00e9 poloze.<\/p>\n

Dvojit\u00e9 ovl\u00e1d\u00e1n\u00ed u v\u011bt\u0161iny v\u00fdlo\u017en\u00edk\u016f p\u0159id\u00e1v\u00e1 dal\u0161\u00ed aspekt pohonu kol: stroj lze ovl\u00e1dat z ovl\u00e1dac\u00edch prvk\u016f podvozku na \u00farovni zem\u011b NEBO z ovl\u00e1dac\u00edch prvk\u016f na plo\u0161in\u011b ve v\u00fd\u0161ce. Obsluha na \u00farovni zem\u011b m\u00e1 jasn\u00fd v\u00fdhled na ter\u00e9n p\u0159ed sebou a m\u016f\u017ee p\u0159edv\u00eddat p\u0159ek\u00e1\u017eky. Obsluha plo\u0161iny, kter\u00e1 se nach\u00e1z\u00ed 20 a\u017e 40 metr\u016f nad zem\u00ed, nevid\u00ed detaily povrchu zem\u011b \u2013 a spol\u00e9h\u00e1 se v\u00fdhradn\u011b na omezen\u00ed rychlosti pohonu kol a ochranu proti naklon\u011bn\u00ed, aby zabr\u00e1nila vjet\u00ed do nebezpe\u010d\u00ed. Reakce pohonu kol na ovl\u00e1dac\u00ed vstupy z \u00farovn\u011b plo\u0161iny mus\u00ed b\u00fdt konzervativn\u011bj\u0161\u00ed (pomalej\u0161\u00ed zrychlen\u00ed, ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed rychlost, citliv\u011bj\u0161\u00ed vypnut\u00ed naklon\u011bn\u00ed) ne\u017e na vstupy z \u00farovn\u011b zem\u011b \u2013 proto\u017ee obsluha plo\u0161iny m\u00e1 men\u0161\u00ed situa\u010dn\u00ed pov\u011bdom\u00ed o stavu ter\u00e9nu. Toto mapov\u00e1n\u00ed rychlosti s dvojit\u00fdm ovl\u00e1d\u00e1n\u00edm je naprogramov\u00e1no do \u0159\u00eddic\u00edho syst\u00e9mu stroje a je vynucov\u00e1no funkc\u00ed omezen\u00ed rychlosti pohonu kol.<\/p>\n

Ter\u00e9n na staveni\u0161t\u00edch se v r\u00e1mci jedn\u00e9 zak\u00e1zky dramaticky m\u011bn\u00ed. Stroj m\u016f\u017ee p\u0159ejet ze zpevn\u011bn\u00e9ho parkovi\u0161t\u011b (hladk\u00fd, rovn\u00fd, vysok\u00e1 trakce) na bl\u00e1tiv\u00fd v\u00fdkop (m\u011bkk\u00fd, sva\u017eit\u00fd, n\u00edzk\u00e1 trakce) do vzd\u00e1lenosti 50 metr\u016f. Pohon kol mus\u00ed zvl\u00e1dnout oba extr\u00e9my: dostate\u010dn\u00fd to\u010div\u00fd moment pro stoup\u00e1n\u00ed po bl\u00e1tiv\u00e9m svahu 25% v re\u017eimu pohonu v\u0161ech kol s n\u00edzk\u00fdm p\u0159evodov\u00fdm stupn\u011bm a dostate\u010dnou p\u0159esnost pro navigaci v dokon\u010den\u00e9m interi\u00e9ru budovy rychlost\u00ed 0,5 km\/h bez zanech\u00e1n\u00ed stop na podlaze. N\u011bkte\u0159\u00ed v\u00fdrobci nab\u00edzej\u00ed p\u0159ep\u00ednateln\u00e9 pneumatiky bez zanech\u00e1n\u00ed stop a re\u017eim pro j\u00edzdu v interi\u00e9ru se sn\u00ed\u017eenou rychlost\u00ed \u2013 a pohon kol mus\u00ed zohlednit vliv v\u00fdm\u011bny pneumatik na polom\u011br odva\u017eov\u00e1n\u00ed (kter\u00fd m\u011bn\u00ed efektivn\u00ed p\u0159evodov\u00fd pom\u011br a rychlost v\u016f\u010di pojezdu) bez nutnosti rekalibrace.<\/p>\n

Po\u017eadavky na funk\u010dn\u00ed bezpe\u010dnost pohon\u016f kol p\u0159\u00edstupov\u00fdch plo\u0161in jsou kodifikov\u00e1ny v norm\u00e1ch EN 280:2022 (Evropa) a ANSI A92.20 (Severn\u00ed Amerika). Tyto normy vy\u017eaduj\u00ed, aby funkce omezen\u00ed rychlosti dos\u00e1hla \u00farovn\u011b v\u00fdkonu c nebo d (podle normy ISO 13849) \u2013 co\u017e znamen\u00e1, \u017ee pravd\u011bpodobnost nebezpe\u010dn\u00e9 poruchy (omezen\u00ed rychlosti se neuplatn\u00ed, kdy\u017e je to nutn\u00e9) mus\u00ed b\u00fdt men\u0161\u00ed ne\u017e 10\u207b6 za hodinu. Dosa\u017een\u00ed t\u00e9to \u00farovn\u011b v\u00fdkonu vy\u017eaduje bu\u010f redundantn\u00ed hardware pro omezen\u00ed rychlosti (dva nez\u00e1visl\u00e9 \u0159\u00eddic\u00ed jednotky, z nich\u017e ka\u017ed\u00e1 je schopna omezit pohon), nebo jednu \u0159\u00eddic\u00ed jednotku s diagnostick\u00fdm pokryt\u00edm 90%+ (samostatn\u00e9 monitorov\u00e1n\u00ed, kter\u00e9 detekuje a reaguje na vnit\u0159n\u00ed poruchy d\u0159\u00edve, ne\u017e se stanou nebezpe\u010dn\u00fdmi). Pohon kol mus\u00ed b\u00fdt navr\u017een tak, aby propojoval ob\u011b architektury \u2013 poskytoval du\u00e1ln\u00ed sign\u00e1ly zp\u011btn\u00e9 vazby rychlosti, redundantn\u00ed obvody pro zabrzd\u011bn\u00ed a diagnosticky kompatibiln\u00ed rozhran\u00ed senzor\u016f.<\/p>\n<\/div>\n

\"Pohon<\/div>\n<\/div>\n<\/section>\n
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Varianty pohonu kol pro vnit\u0159n\u00ed a venkovn\u00ed pou\u017eit\u00ed<\/h2>\n

Vnit\u0159n\u00ed p\u0159\u00edstupov\u00e9 plo\u0161iny (elektrick\u00e9 n\u016f\u017ekov\u00e9 zved\u00e1ky, mal\u00e9 kloubov\u00e9 v\u00fdlo\u017en\u00edky) pracuj\u00ed na hladk\u00fdch, rovn\u00fdch podlah\u00e1ch \u2013 sklady, tov\u00e1rny, n\u00e1kupn\u00ed centra, v\u00fdstavn\u00ed haly. Po\u017eadavky na pohon kol se z\u00e1sadn\u011b li\u0161\u00ed od venkovn\u00edch ter\u00e9nn\u00edch model\u016f: (1) pneumatiky nezanech\u00e1vaj\u00edc\u00ed \u010dern\u00e9 \u0161mouhy na le\u0161t\u011bn\u00fdch podlah\u00e1ch \u2013 vy\u017eaduj\u00edc\u00ed m\u011bk\u010d\u00ed pry\u017eov\u00e9 sm\u011bsi, kter\u00e9 se opot\u0159ebov\u00e1vaj\u00ed 2 a\u017e 3kr\u00e1t rychleji ne\u017e standardn\u00ed pneumatiky; (2) elektrick\u00fd pohon s nulov\u00fdmi emisemi \u2013 na podlah\u00e1ch potravin\u00e1\u0159sk\u00fdch nebo zdravotnick\u00fdch za\u0159\u00edzen\u00ed nejsou povoleny \u017e\u00e1dn\u00e9 \u00faniky hydraulick\u00e9ho oleje; (3) ultrat\u011bsn\u00e9 ot\u00e1\u010den\u00ed pro navigaci ve dve\u0159\u00edch, uli\u010dk\u00e1ch a mezi reg\u00e1ly \u2013 vy\u017eaduj\u00edc\u00ed nato\u010den\u00ed \u0159\u00edzen\u00ed 70 a\u017e 90 stup\u0148\u016f a odezvu pohonu kol p\u0159i plaziv\u00fdch rychlostech ji\u017e od 0,1 km\/h; a (4) n\u00edzk\u00e1 hlu\u010dnost \u2013 hluk z\u00e1b\u011bru ozuben\u00fdch kol pod 65 dBA ve vzd\u00e1lenosti 1 metru, aby spl\u0148oval p\u0159edpisy pro hluk v interi\u00e9ru na pracovi\u0161ti.<\/p>\n

Pohon vnit\u0159n\u00edch kol planetov\u00e1 p\u0159evodovka<\/a> mus\u00ed b\u00fdt ut\u011bsn\u011bny proti prosakov\u00e1n\u00ed oleje \u2013 proto\u017ee i jedin\u00e1 olejov\u00e1 skvrna na podlaze supermarketu nebo nemocni\u010dn\u00ed chodby m\u016f\u017ee zp\u016fsobit uklouznut\u00ed a p\u00e1d. T\u011bsn\u011bn\u00ed h\u0159\u00eddele, t\u011bsn\u011bn\u00ed pouzdra a odvzdu\u0161\u0148ovac\u00ed ventil mus\u00ed po celou dobu \u017eivotnosti (5 000 a\u017e 8 000 hodin) dosahovat nulov\u00e9ho viditeln\u00e9ho \u00faniku. Toto je p\u0159\u00edsn\u011bj\u0161\u00ed ne\u017e jak\u00e1koli specifikace t\u011bsn\u011bn\u00ed pro venkovn\u00ed pou\u017eit\u00ed v zem\u011bd\u011blstv\u00ed nebo ve stavebnictv\u00ed \u2013 kde je tolerov\u00e1no men\u0161\u00ed prosakov\u00e1n\u00ed, pokud neovlivn\u00ed hladinu oleje nebo nekontaminuje produkt.<\/p>\n

Modely pro venkovn\u00ed pou\u017eit\u00ed v n\u00e1ro\u010dn\u00e9m ter\u00e9nu \u010del\u00ed opa\u010dn\u00e9 v\u00fdzv\u011b: maxim\u00e1ln\u00ed trakce na neupraven\u00e9m ter\u00e9nu, ochran\u011b p\u0159ed pov\u011btrnostn\u00edmi vlivy pro celoro\u010dn\u00ed venkovn\u00ed skladov\u00e1n\u00ed a odolnosti proti n\u00e1razu stavebn\u00edho odpadu. Stejn\u00fd v\u00fdrobce \u010dasto nab\u00edz\u00ed varianty stejn\u00e9ho modelu platformy pro vnit\u0159n\u00ed i venkovn\u00ed pou\u017eit\u00ed \u2013 s r\u016fzn\u00fdmi specifikacemi pohonu kol (r\u016fzn\u00e9 pneumatiky, r\u016fzn\u00e1 t\u011bsn\u011bn\u00ed, r\u016fzn\u00e9 p\u0159evodov\u00e9 pom\u011bry) na stejn\u00e9 z\u00e1kladn\u00ed platform\u011b s p\u0159evodovkou. Pohon kol proto mus\u00ed b\u00fdt k dispozici v obou konfigurac\u00edch se spole\u010dn\u00fdm z\u00e1kladn\u00edm proveden\u00edm \u2013 minimalizuje se tak skladov\u00e9 z\u00e1soby v\u00fdrobce a z\u00e1rove\u0148 se maximalizuje pokryt\u00ed aplikac\u00ed nap\u0159\u00ed\u010d modely platform pro vnit\u0159n\u00ed, venkovn\u00ed a v\u00edce\u00fa\u010delov\u00e9 pou\u017eit\u00ed.<\/p>\n

\"Testovac\u00ed<\/p>\n<\/section>\n

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T\u0159i poruchov\u00e9 re\u017eimy specifick\u00e9 pro pohony kol p\u0159\u00edstupov\u00fdch plo\u0161in<\/h2>\n
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1<\/div>\n
Selh\u00e1n\u00ed potla\u010den\u00ed rychlostn\u00edho omezen\u00ed umo\u017e\u0148uje j\u00edzdu plnou rychlost\u00ed s vysunut\u00fdm ramenem<\/div>\n<\/div>\n

Pokud dojde k poru\u0161e sn\u00edma\u010de polohy v\u00fdlo\u017en\u00edku (odes\u00edl\u00e1n\u00ed fale\u0161n\u00e9ho sign\u00e1lu o zata\u017een\u00e9 poloze) nebo dojde k poru\u0161e softwaru omezuj\u00edc\u00edho rychlost, m\u016f\u017ee stroj povolit j\u00edzdu plnou rychlost\u00ed v zata\u017een\u00e9 poloze (6 a\u017e 8 km\/h) s pln\u011b vysunut\u00fdm v\u00fdlo\u017en\u00edkem. P\u0159i t\u00e9to rychlosti s t\u011b\u017ei\u0161t\u011bm ve v\u00fd\u0161ce 12 a v\u00edce metr\u016f m\u016f\u017ee i mal\u00e1 nerovnost ter\u00e9nu (okraj obrubn\u00edku 50 mm, v\u00fdmol, m\u00edrn\u00e1 zm\u011bna sklonu) zp\u016fsobit bo\u010dn\u00ed zrychlen\u00ed, kter\u00e9 p\u0159ekro\u010d\u00ed prahovou hodnotu p\u0159evr\u00e1cen\u00ed \u2013 co\u017e m\u00e1 za n\u00e1sledek p\u0159evr\u00e1cen\u00ed stroje s pracovn\u00edky ve v\u00fd\u0161ce. Jedn\u00e1 se o sc\u00e9n\u00e1\u0159 s jedn\u00edm bodem selh\u00e1n\u00ed, kter\u00fd norma EN 280 \u0159e\u0161\u00ed prost\u0159ednictv\u00edm po\u017eadavk\u016f na redundantn\u00ed sn\u00edma\u010de (dva nez\u00e1visl\u00e9 sn\u00edma\u010de v\u00fdlo\u017en\u00edku, z nich\u017e ka\u017ed\u00fd je schopen nez\u00e1visle omezit rychlost pojezdu).<\/p>\n

Prevence: Redundantn\u00ed senzory polohy ramene. Nez\u00e1visl\u00e1 logika omezen\u00ed rychlosti pro ka\u017ed\u00fd senzor. Bezpe\u010dn\u00e9 v\u00fdchoz\u00ed nastaven\u00ed minim\u00e1ln\u00ed rychlosti v p\u0159\u00edpad\u011b nesouhlasu kter\u00e9hokoli ze senzor\u016f. Ro\u010dn\u00ed ov\u011b\u0159en\u00ed funk\u010dn\u00ed bezpe\u010dnosti dle normy EN 280.<\/div>\n<\/div>\n
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2<\/div>\n
Selh\u00e1n\u00ed brzd na svahu s vysunut\u00fdm ramenem a pracovn\u00edky ve v\u00fd\u0161ce<\/div>\n<\/div>\n

Parkovac\u00ed brzda mus\u00ed udr\u017eet pln\u011b nalo\u017een\u00fd stroj na maxim\u00e1ln\u00edm jmenovit\u00e9m sklonu (obvykle 5 a\u017e 251 TP3T v z\u00e1vislosti na t\u0159\u00edd\u011b stroje) s vysunut\u00fdm v\u00fdlo\u017en\u00edkem a zat\u00ed\u017een\u00edm v\u011btrem a\u017e 100 km\/h. Pokud se brzdov\u00e9 desti\u010dky opot\u0159ebuj\u00ed pod minim\u00e1ln\u00ed tlou\u0161\u0165ku, p\u0159\u00eddr\u017en\u00fd moment se sn\u00ed\u017e\u00ed pod po\u017eadovanou \u00farove\u0148 \u2013 a stroj se p\u0159i parkov\u00e1n\u00ed na svahu s vysunut\u00fdm v\u00fdlo\u017en\u00edkem m\u016f\u017ee plazit z kopce. Toto plazen\u00ed m\u016f\u017ee b\u00fdt zpo\u010d\u00e1tku nepost\u0159ehnuteln\u00e9 (1 a\u017e 2 mm za minutu), ale s t\u00edm, jak se ztr\u00e1c\u00ed rovnov\u00e1ha p\u0159i udr\u017een\u00ed svahu, se zrychluje. V dob\u011b, kdy si obsluha nebo pracovn\u00edci na plo\u0161in\u011b pohybu v\u0161imnou, mohl stroj dos\u00e1hnout rychlosti, kterou je obt\u00ed\u017en\u00e9 zastavit \u2013 zejm\u00e9na pokud je motor vypnut\u00fd a hydraulick\u00e9 brzd\u011bn\u00ed nen\u00ed k dispozici.<\/p>\n

Prevence: Indik\u00e1tor opot\u0159eben\u00ed brzd s automatick\u00fdm blokov\u00e1n\u00edm pohonu p\u0159i dosa\u017een\u00ed minim\u00e1ln\u00ed tlou\u0161\u0165ky desti\u010dek. Pru\u017einov\u00e1 brzda (bezpe\u010dnostn\u00ed \u2013 aktivuje se p\u0159i ztr\u00e1t\u011b v\u00fdkonu). Ro\u010dn\u00ed zkou\u0161ka p\u0159\u00eddr\u017en\u00e9ho momentu brzdy p\u0159i maxim\u00e1ln\u00edm jmenovit\u00e9m sklonu dle normy EN 280.<\/div>\n<\/div>\n
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N\u00e1klon zp\u016fsoben\u00fd v\u00fdmolem u pracovn\u00edk\u016f na vyv\u00fd\u0161en\u00e9 plo\u0161in\u011b<\/div>\n<\/div>\n

Povrchy staveni\u0161\u0165 se vyskytuj\u00ed jako v\u00fdmoly, koleje, su\u0165 a nerovnom\u011brn\u00e9 zhutn\u011bn\u00ed. Kdy\u017e pohon kol \u017eene stroj p\u0159es v\u00fdmol i n\u00edzkou rychlost\u00ed (2 a\u017e 3 km\/h), sj\u00ed\u017ed\u011bn\u00ed kol zp\u016fsob\u00ed n\u00e1hl\u00fd n\u00e1klon o 2 a\u017e 5 stup\u0148\u016f \u2013 kter\u00fd je ve v\u00fd\u0161ce plo\u0161iny zes\u00edlen ramenem pru\u017einy. Ve v\u00fd\u0161ce plo\u0161iny 30 metr\u016f posune 3stup\u0148ov\u00fd n\u00e1klon z\u00e1kladny plo\u0161inu o 1,6 metru do strany \u2013 co\u017e sta\u010d\u00ed k tomu, aby se nezapoutan\u00fd pracovn\u00edk p\u0159evalil na svodidla nebo v extr\u00e9mn\u00edch p\u0159\u00edpadech p\u0159es n\u011b. Pohon kol mus\u00ed zaji\u0161\u0165ovat plynul\u00fd a bez trh\u00e1n\u00ed pohyb s aktivn\u00edm monitorov\u00e1n\u00edm n\u00e1klonu \u2013 automaticky zastav\u00ed pohon, pokud n\u00e1klon podvozku p\u0159ekro\u010d\u00ed limit EN 280 (obvykle 3 a\u017e 5 stup\u0148\u016f v z\u00e1vislosti na konfiguraci v\u00fdlo\u017en\u00edku).<\/p>\n

Prevence: Sn\u00edma\u010d n\u00e1klonu s automatick\u00fdm vypnut\u00edm pojezdu. Maxim\u00e1ln\u00ed rychlost pojezdu 0,5 a\u017e 1,5 km\/h p\u0159i pln\u00e9m vysunut\u00ed. P\u0159edj\u00ed\u017ed\u011bc\u00ed pr\u016fzkum ter\u00e9nu na v\u00fdmoly. P\u0159evodovky DIN t\u0159\u00eddy 6 pro minim\u00e1ln\u00ed pulzace to\u010div\u00e9ho momentu p\u0159i n\u00edzk\u00e9 rychlosti.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Jak se li\u0161\u00ed pohon kol p\u0159\u00edstupov\u00e9 plo\u0161iny od pohon\u016f jin\u00fdch mobiln\u00edch za\u0159\u00edzen\u00ed?<\/h3>\n

Pohon kol je kriticky d\u016fle\u017eit\u00fd z hlediska bezpe\u010dnosti \u2013 \u0159\u00edd\u00ed se normami EN 280\/ANSI A92, kter\u00e9 na\u0159izuj\u00ed redundantn\u00ed omezen\u00ed rychlosti, maxim\u00e1ln\u00ed rychlost z\u00e1vislou na v\u00fd\u0161ce, sledov\u00e1n\u00ed n\u00e1klonu s automatick\u00fdm vypnut\u00edm pohonu a ov\u011b\u0159ov\u00e1n\u00ed v\u00fdkonu brzd v ro\u010dn\u00edch intervalech. \u017d\u00e1dn\u00e1 jin\u00e1 aplikace pohonu kol nem\u00e1 tuto \u00farove\u0148 regula\u010dn\u00ed kontroly, proto\u017ee \u017e\u00e1dn\u00e1 jin\u00e1 aplikace nep\u0159epravuje osoby ve v\u00fd\u0161k\u00e1ch. Ka\u017ed\u00e9 rozhodnut\u00ed o n\u00e1vrhu pohonu kol (kvalita p\u0159evodu, dimenzov\u00e1n\u00ed brzd, rychlostn\u00ed odezva, redundance senzor\u016f) podl\u00e9h\u00e1 anal\u00fdze funk\u010dn\u00ed bezpe\u010dnosti a certifikaci t\u0159et\u00ed stranou.<\/p>\n<\/div>\n

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Jak\u00e1 je typick\u00e1 \u017eivotnost?<\/h3>\n

5 000 a\u017e 10 000 hodin pro planetovou p\u0159evodovku. Brzdov\u00e9 desti\u010dky: 2 000 a\u017e 4 000 hodin v z\u00e1vislosti na \u010detnosti provozu na svahu. Ro\u010dn\u00ed kontrola dle normy EN 280 zahrnuje ov\u011b\u0159en\u00ed p\u0159\u00eddr\u017en\u00e9ho momentu brzd, funk\u010dn\u00ed zkou\u0161ku omezen\u00ed rychlosti a kalibraci sn\u00edma\u010de n\u00e1klonu \u2013 to v\u0161e ov\u011b\u0159uje bezpe\u010dnostn\u00ed funkce pohonu kol. Jak\u00e1koli sou\u010d\u00e1st, kter\u00e1 neprojde ro\u010dn\u00ed kontrolou, mus\u00ed b\u00fdt p\u0159ed op\u011btovn\u00fdm uveden\u00edm stroje do provozu vym\u011bn\u011bna. Stroje pronajat\u00e9 flotily nashrom\u00e1\u017ed\u00ed 1 000 a\u017e 2 000 hodin ro\u010dn\u011b \u2013 konce \u017eivotnosti p\u0159evodovky dos\u00e1hnou b\u011bhem 3 a\u017e 5 let. Stroje provozovan\u00e9 majitelem obvykle nashrom\u00e1\u017ed\u00ed 300 a\u017e 800 hodin ro\u010dn\u011b \u2013 \u010d\u00edm\u017e se \u017eivotnost p\u0159evodovky prodlu\u017euje na 7 a\u017e 15 let. Pracovn\u00ed cyklus pronajat\u00e9 flotily zahrnuje tak\u00e9 \u010dast\u011bj\u0161\u00ed nakl\u00e1dku\/vykl\u00e1dku p\u0159epravy, co\u017e p\u0159i j\u00edzd\u011b na rampu a nam\u00e1h\u00e1n\u00ed upev\u0148ovac\u00edch prvk\u016f p\u0159edstavuje dodate\u010dn\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed pohonu kol. P\u016fj\u010dovny obvykle udr\u017euj\u00ed pohony kol podle \u010dasov\u00e9ho harmonogramu (ka\u017ed\u00fdch 6 a\u017e 12 m\u011bs\u00edc\u016f bez ohledu na po\u010det hodin), proto\u017ee vyu\u017eit\u00ed se mezi obdob\u00edmi pron\u00e1jmu zna\u010dn\u011b li\u0161\u00ed. Vlastn\u00edci-provozovatel\u00e9 mohou pou\u017e\u00edvat hodinov\u00e9 pl\u00e1nov\u00e1n\u00ed (ka\u017ed\u00fdch 1 000 a\u017e 2 000 hodin), proto\u017ee vzorec pou\u017e\u00edv\u00e1n\u00ed je p\u0159edv\u00eddateln\u011bj\u0161\u00ed. Oba p\u0159\u00edstupy mus\u00ed p\u0159i ka\u017ed\u00e9m servisu ov\u011b\u0159it funkce udr\u017eov\u00e1n\u00ed brzdn\u00e9ho momentu a omezen\u00ed rychlosti \u2013 proto\u017ee se jedn\u00e1 o bezpe\u010dnostn\u00ed funkce, kter\u00e9 chr\u00e1n\u00ed pracovn\u00edky ve v\u00fd\u0161k\u00e1ch.<\/p>\n<\/div>\n

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Jak\u00fd je typick\u00fd p\u0159evodov\u00fd pom\u011br?<\/h3>\n

30:1 a\u017e 80:1. Maxim\u00e1ln\u00ed rychlost pojezdu (v zata\u017een\u00e9m stavu) je 6 a\u017e 8 km\/h pro modely do n\u00e1ro\u010dn\u00e9ho ter\u00e9nu, 4 a\u017e 6 km\/h pro modely pro vnit\u0159n\u00ed pou\u017eit\u00ed. Vy\u0161\u0161\u00ed p\u0159evodov\u00e9 pom\u011bry zaji\u0161\u0165uj\u00ed plynul\u00e9 a bez trh\u00e1n\u00ed ovl\u00e1d\u00e1n\u00ed p\u0159i n\u00edzk\u00fdch rychlostech p\u0159i kritick\u00e9 provozn\u00ed rychlosti 0,5 a\u017e 1,5 km\/h s vysunut\u00fdm v\u00fdlo\u017en\u00edkem \u2013 kde plynulost pojezdu p\u0159\u00edmo ovliv\u0148uje bezpe\u010dnost a pohodl\u00ed pracovn\u00edk\u016f na vyv\u00fd\u0161en\u00e9 plo\u0161in\u011b.<\/p>\n<\/div>\n

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Dod\u00e1v\u00e1 Korea Ever-Power pohony kol pro p\u0159\u00edstupov\u00e9 plo\u0161iny?<\/h3>\n

Ano. Spole\u010dnost Korea Ever-Power vyr\u00e1b\u00ed planetov\u00e9 p\u0159evodovky s pohonem kol pro samohybn\u00e9 v\u00fdlo\u017en\u00edky, kloubov\u00e9 plo\u0161iny a ter\u00e9nn\u00ed n\u016f\u017ekov\u00e9 plo\u0161iny od 3 000 do 25 000 Nm s pru\u017einov\u00fdmi bezpe\u010dnostn\u00edmi brzdami, p\u0159evody dle DIN t\u0159\u00eddy 6 pro plynul\u00fd n\u00edzkorychlostn\u00ed pohon plo\u0161iny, hydraulick\u00e1 rozhran\u00ed kompatibiln\u00ed s omezen\u00edm rychlosti v z\u00e1vislosti na v\u00fd\u0161ce a spl\u0148uj\u00edc\u00ed po\u017eadavky normy EN 280\/ANSI A92. Pro kompletn\u00ed specifikaci, kter\u00e1 spl\u0148uje jak bezpe\u010dnostn\u00ed po\u017eadavky, tak provozn\u00ed prost\u0159ed\u00ed, uve\u010fte v\u00fdrobce plo\u0161iny, model, maxim\u00e1ln\u00ed pracovn\u00ed v\u00fd\u0161ku, typ ter\u00e9nu a to, zda bude stroj pou\u017e\u00edv\u00e1n v interi\u00e9ru nebo exteri\u00e9ru.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony kol pro p\u0159\u00edstupov\u00e9 plo\u0161iny \u2013 s bezpe\u010dnostn\u00edmi certifikacemi, v\u00fd\u0161kov\u011b nastaviteln\u00e9, chr\u00e1n\u011bn\u00e9 pro pracovn\u00edky<\/div>\n

Spole\u010dnost Korea Ever-Power dod\u00e1v\u00e1 pohony kol pro p\u0159\u00edstupov\u00e9 plo\u0161iny s to\u010div\u00fdm momentem od 3 000 do 25 000 Nm spl\u0148uj\u00edc\u00ed normu EN 280, s bezpe\u010dn\u00fdm brzd\u011bn\u00edm a regulac\u00ed rychlosti v z\u00e1vislosti na v\u00fd\u0161ce.<\/p>\n<\/div>\n

Zobrazit \u0159adu pohon\u016f kol \u2192<\/a><\/p>\n
sales@planet\u00e1rn\u00ed-p\u0159evodovky.com<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

Korea Ever-Power \u00b7 Application Engineering \u00b7 Access Platforms Wheel Drive Planetary Gearbox for Access Platforms A boom lift carries workers to 40 metres \u2014 and the wheel drive must move this machine with a centre of gravity that shifts from 1.5 metres (stowed) to 12 metres (extended). Speed must automatically reduce as the platform rises, […]<\/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-1150","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/comments?post=1150"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1150\/revisions"}],"predecessor-version":[{"id":1155,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1150\/revisions\/1155"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media?parent=1150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/categories?post=1150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/tags?post=1150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}