{"id":17521,"date":"2026-11-02T07:08:55","date_gmt":"2026-11-02T07:08:55","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=17521"},"modified":"2026-11-02T07:08:58","modified_gmt":"2026-11-02T07:08:58","slug":"20-ton-double-girder-overhead-crane-for-hydropower-station","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/cs\/posts\/20-ton-double-girder-overhead-crane-for-hydropower-station\/","title":{"rendered":"20tunov\u00fd dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b pro vodn\u00ed elektr\u00e1rnu v Kyrgyzst\u00e1nu"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Obsah<\/h2><nav><ul><li><a href=\"#project-background\">Pozad\u00ed projektu<\/a><\/li><li><a href=\"#five-lifting-challenges-at-the-hydropower-station\">P\u011bt v\u00fdzev p\u0159i zved\u00e1n\u00ed ve vodn\u00ed elektr\u00e1rn\u011b<\/a><ul><li><a href=\"#placing-the-generator-and-turbine-smoothly\">Plynul\u00e9 um\u00edst\u011bn\u00ed gener\u00e1toru a turb\u00edny<\/a><\/li><li><a href=\"#lifting-between-different-floor-levels\">Zved\u00e1n\u00ed mezi r\u016fzn\u00fdmi \u00farovn\u011bmi podlah<\/a><\/li><li><a href=\"#working-around-powerhouse-obstacles\">Jak p\u0159ekonat p\u0159ek\u00e1\u017eky v energetice<\/a><\/li><li><a href=\"#long-term-protection-and-reliability\">Dlouhodob\u00e1 ochrana a spolehlivost<\/a><\/li><li><a href=\"#timely-replacement-of-wear-parts\">V\u010dasn\u00e1 v\u00fdm\u011bna opot\u0159ebiteln\u00fdch d\u00edl\u016f<\/a><\/li><\/ul><\/li><li><a href=\"#solutions-to-the-five-challenges\">\u0158e\u0161en\u00ed p\u011bti v\u00fdzev<\/a><ul><li><a href=\"#technical-parameters\">Technick\u00e9 parametry<\/a><ul><li><a href=\"#product-features\">Vlastnosti produktu<\/a><\/li><\/ul><\/li><li><a href=\"#dual-speed-hoisting-and-soft-start-travel-mechanism\">Dvourychlostn\u00ed zdvihac\u00ed mechanismus a mechanismus s pozvoln\u00fdm rozjezdem<\/a><\/li><li><a href=\"#lifting-at-different-heights\">Zved\u00e1n\u00ed v r\u016fzn\u00fdch v\u00fd\u0161k\u00e1ch<\/a><\/li><li><a href=\"#fitting-the-crane-to-the-powerhouse\">Mont\u00e1\u017e je\u0159\u00e1bu k elektr\u00e1rn\u011b<\/a><\/li><li><a href=\"#corrosion-protection-and-electrical-reliability\">Ochrana proti korozi a elektrick\u00e1 spolehlivost<\/a><\/li><li><a href=\"#spare-parts-for-faster-maintenance\">N\u00e1hradn\u00ed d\u00edly pro rychlej\u0161\u00ed \u00fadr\u017ebu<\/a><\/li><\/ul><\/li><li><a href=\"#plan-your-hydropower-crane-project\">Napl\u00e1nujte si projekt vodn\u00edho je\u0159\u00e1bu<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Projekt vodn\u00ed elektr\u00e1rny v Kyrgyzst\u00e1nu vy\u017eadoval p\u0159esn\u00e9 um\u00edst\u011bn\u00ed gener\u00e1toru, zved\u00e1n\u00ed mezi oblastmi v r\u016fzn\u00fdch \u00farovn\u00edch podla\u017e\u00ed, pe\u010dliv\u00e9 pl\u00e1nov\u00e1n\u00ed v okol\u00ed p\u0159ek\u00e1\u017eek v elektr\u00e1rn\u011b a spolehlivou dlouhodobou ochranu a \u00fadr\u017ebu. Specifikovali jsme dvourychlostn\u00ed zved\u00e1n\u00ed, aby dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b mohl um\u00edstit gener\u00e1tor a turb\u00ednu stabiln\u011b a p\u0159esn\u011b a z\u00e1rove\u0148 efektivn\u011b zvl\u00e1dat b\u011b\u017en\u00e9 zved\u00e1n\u00ed. Pou\u017eili jsme tak\u00e9 v\u00fdkresy elektr\u00e1rny k definov\u00e1n\u00ed nosnosti je\u0159\u00e1bu, nat\u0159eli jsme hlavn\u00ed a koncov\u00e9 nosn\u00edky epoxidov\u00fdm z\u00e1kladn\u00edm n\u00e1t\u011brem s obsahem zinku a pro elektrick\u00e1 za\u0159\u00edzen\u00ed jsme specifikovali kryt\u00ed IP54. Pro zjednodu\u0161en\u00ed budouc\u00ed \u00fadr\u017eby dod\u00e1vka zahrnuje dvouletou z\u00e1sobu opot\u0159ebiteln\u00fdch d\u00edl\u016f, co\u017e z\u00e1kazn\u00edkovi umo\u017e\u0148uje vym\u011bnit komponenty na m\u00edst\u011b bez opakovan\u00fdch n\u00e1kup\u016f a dlouh\u00e9ho \u010dek\u00e1n\u00ed. Je\u0159\u00e1b byl nyn\u00ed vyroben, zabalen, nalo\u017een a odesl\u00e1n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1448\" height=\"1086\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/20-Ton-Double-Girder-Overhead-Crane-for-Hydropower-Station-in-Kyrgyzstan.png\" alt=\"\" class=\"wp-image-17529\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"project-background\">Pozad\u00ed projektu<\/h2>\n\n\n\n<p>Vodn\u00ed elektr\u00e1rna v Kyrgyzst\u00e1nu m\u00e1 uvnit\u0159 elektr\u00e1rny dv\u011b turb\u00edny a k nim p\u0159idru\u017een\u00e9 gener\u00e1tory. Z\u00e1kazn\u00edk pot\u0159eboval dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b, kter\u00fd by b\u011bhem v\u00fdstavby zvedl gener\u00e1tory, turb\u00edny a dal\u0161\u00ed velk\u00e9 za\u0159\u00edzen\u00ed na m\u00edsto. Jakmile bude elektr\u00e1rna v provozu, bude stejn\u00fd je\u0159\u00e1b pou\u017eit k demont\u00e1\u017ei, instalaci a p\u0159emis\u0165ov\u00e1n\u00ed sou\u010d\u00e1st\u00ed b\u011bhem \u00fadr\u017eby. Jeho role se tedy rozprost\u00edr\u00e1 od po\u010d\u00e1te\u010dn\u00ed instalace a\u017e po b\u011b\u017en\u00fd servis.<\/p>\n\n\n\n<p>Betonov\u00e9 r\u00e1my, z\u00e1klady jednotek, pracovn\u00ed plo\u0161iny a ods\u00e1vac\u00ed potrub\u00ed zab\u00edraj\u00ed r\u016fzn\u00e9 \u010d\u00e1sti elektr\u00e1rny, zat\u00edmco instala\u010dn\u00ed a p\u0159ekl\u00e1dac\u00ed plochy jsou v r\u016fzn\u00fdch v\u00fd\u0161k\u00e1ch. Pomoc\u00ed stavebn\u00edch v\u00fdkres\u016f a fotografi\u00ed z\u00e1kazn\u00edka jsme ov\u011b\u0159ili, jak se dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b vejde do budovy a v\u00fdrobn\u00edch jednotek. B\u011bhem n\u00e1vrhu byly zohledn\u011bny jak instalace, tak i budouc\u00ed pot\u0159eby \u00fadr\u017eby.<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"five-lifting-challenges-at-the-hydropower-station\">P\u011bt v\u00fdzev p\u0159i zved\u00e1n\u00ed ve vodn\u00ed elektr\u00e1rn\u011b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"placing-the-generator-and-turbine-smoothly\"><strong>Plynul\u00e9 um\u00edst\u011bn\u00ed gener\u00e1toru a turb\u00edny<\/strong><\/h3>\n\n\n\n<p>Gener\u00e1tor v\u00e1\u017e\u00ed p\u0159ibli\u017en\u011b 17,5 tuny a turb\u00edna p\u0159ibli\u017en\u011b 10 tun. Hmotnost gener\u00e1toru byla kl\u00ed\u010dov\u00fdm faktorem pro ur\u010den\u00ed nosnosti je\u0159\u00e1bu, ale do skute\u010dn\u011b zdvi\u017een\u00e9 hmotnosti musely b\u00fdt zahrnuty i zvedac\u00ed za\u0159\u00edzen\u00ed a ocelov\u00e9 lano. U obou jednotek byla pro instalaci z\u00e1sadn\u00ed dostate\u010dn\u00e1 nosnost a p\u0159esn\u00e9 ovl\u00e1d\u00e1n\u00ed.<\/p>\n\n\n\n<p>Hlavn\u00ed v\u00fdzvou bylo spu\u0161t\u011bn\u00ed gener\u00e1toru a turb\u00edny na jejich pevn\u00e9 betonov\u00e9 z\u00e1klady. N\u00e1hl\u00e9 zrychlen\u00ed p\u0159i rozjezdu je\u0159\u00e1bu nebo voz\u00edku m\u016f\u017ee zp\u016fsobit ot\u0159esy a kym\u00e1cen\u00ed z\u00e1t\u011b\u017ee. Jakmile je jednotka zav\u011b\u0161ena nad z\u00e1kladem, jej\u00ed p\u0159\u00edli\u0161 rychl\u00e9 spu\u0161t\u011bn\u00ed neponech\u00e1v\u00e1 mnoho \u010dasu na pozorov\u00e1n\u00ed a \u00fapravu jej\u00ed polohy, zat\u00edmco p\u0159\u00edli\u0161 pomal\u00e9 spu\u0161t\u011bn\u00ed pr\u00e1ci zpo\u017e\u010fuje. Z\u00e1kazn\u00edk proto pot\u0159eboval dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b, kter\u00fd by dok\u00e1zal jednotky efektivn\u011b p\u0159esouvat a z\u00e1rove\u0148 by poskytoval p\u0159esnou kontrolu b\u011bhem kone\u010dn\u00e9ho um\u00edst\u011bn\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lifting-between-different-floor-levels\"><strong>Zved\u00e1n\u00ed mezi r\u016fzn\u00fdmi \u00farovn\u011bmi podlah<\/strong><\/h3>\n\n\n\n<p>Je\u0159\u00e1b b\u011b\u017e\u00ed nad v\u00fdrobn\u00edmi jednotkami, ale body instalace turb\u00edny a gener\u00e1toru jsou v r\u016fzn\u00fdch v\u00fd\u0161k\u00e1ch od oblasti p\u0159em\u00edst\u011bn\u00ed za\u0159\u00edzen\u00ed. H\u00e1k mus\u00ed dos\u00e1hnout dostate\u010dn\u011b n\u00edzko, aby se mohl p\u0159ipevnit k jednotce, a pot\u00e9 ji zvednout dostate\u010dn\u011b vysoko, aby se dostala nad bl\u00edzk\u00e9 betonov\u00e9 z\u00e1klady, plo\u0161iny a dal\u0161\u00ed konstrukce, ne\u017e se p\u0159esune sm\u011brem k oblasti instalace.<\/p>\n\n\n\n<p>Dostupn\u00fd vertik\u00e1ln\u00ed prostor mus\u00ed tak\u00e9 pojmout jednotku a jej\u00ed zvedac\u00ed za\u0159\u00edzen\u00ed. Pot\u0159ebovali jsme zkontrolovat pr\u016f\u0159ezy strojovny, abychom zjistili, zda bude m\u00edt spodn\u00ed \u010d\u00e1st zav\u011b\u0161en\u00e9 jednotky dostate\u010dn\u00fd prostor, kdy\u017e h\u00e1k dos\u00e1hne sv\u00e9 horn\u00ed meze, a zda h\u00e1k dos\u00e1hne spodn\u00ed pracovn\u00ed plochy. P\u0159ehl\u00e9dnut\u00e1 poloha by mohla naru\u0161it pohyb mezi p\u0159epravn\u00ed plochou a z\u00e1klady.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/height-difference-of-powerhouse.png\" alt=\"\" class=\"wp-image-17522\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"working-around-powerhouse-obstacles\"><strong>Jak p\u0159ekonat p\u0159ek\u00e1\u017eky v energetice<\/strong><\/h3>\n\n\n\n<p>Omezen\u00fd byl i horizont\u00e1ln\u00ed prostor. V\u00fdrobn\u00ed jednotky, plo\u0161iny, dve\u0159e a ods\u00e1vac\u00ed potrub\u00ed maj\u00ed nepravideln\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed a betonov\u00fd r\u00e1m omezuje um\u00edst\u011bn\u00ed je\u0159\u00e1bu. Most se pohybuje po kolejnic\u00edch, voz\u00edk se pohybuje p\u0159es n\u011bj a zav\u011b\u0161en\u00fd gener\u00e1tor nebo turb\u00edna zab\u00edr\u00e1 dal\u0161\u00ed prostor. V\u0161echny t\u0159i ob\u00e1lky pohybu musely b\u00fdt porovn\u00e1ny s okoln\u00ed budovou a za\u0159\u00edzen\u00edm.<\/p>\n\n\n\n<p>H\u00e1k tak\u00e9 pot\u0159eboval zakr\u00fdt m\u00edsta pro instalaci a \u00fadr\u017ebu. Mont\u00e1\u017e <a href=\"https:\/\/www.dgcrane.com\/cs\/products\/double-girder-eot-cranes\/\">dvounosn\u00edkov\u00fd je\u0159\u00e1b EOT<\/a> Dostat se do strojovny bylo jen \u010d\u00e1st\u00ed \u00fakolu: museli jsme potvrdit, \u017ee h\u00e1k st\u00e1le dos\u00e1hne c\u00edlov\u00fdch oblast\u00ed pobl\u00ed\u017e konc\u016f ranveje a po stran\u00e1ch budovy s dostate\u010dn\u00fdm prostorem pro p\u0159em\u00edst\u011bn\u00ed gener\u00e1toru nebo turb\u00edny. To vy\u017eadovalo dal\u0161\u00ed kontrolu p\u016fdorysu, v\u00fdkresu celkov\u00e9ho uspo\u0159\u00e1d\u00e1n\u00ed je\u0159\u00e1bu a poloh pro zved\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"long-term-protection-and-reliability\"><strong>Dlouhodob\u00e1 ochrana a spolehlivost<\/strong><\/h3>\n\n\n\n<p>Za\u0159\u00edzen\u00ed ve vodn\u00ed elektr\u00e1rn\u011b mus\u00ed b\u00fdt chr\u00e1n\u011bna p\u0159ed vlhkost\u00ed a kondenzac\u00ed. Dlouhodob\u00e9 vystaven\u00ed oceli vlhkosti a kysl\u00edku m\u016f\u017ee v\u00e9st ke korozi, zat\u00edmco elektrick\u00e9 sou\u010d\u00e1sti vy\u017eaduj\u00ed vhodnou ochranu krytu a izolaci.<\/p>\n\n\n\n<p>Dal\u0161\u00edm praktick\u00fdm probl\u00e9mem byl p\u0159\u00edstup pro \u00fadr\u017ebu. Hlavn\u00ed a koncov\u00e9 nosn\u00edky se nach\u00e1zej\u00ed vysoko nad podlahou strojovny. Budouc\u00ed kontroly, odstra\u0148ov\u00e1n\u00ed rzi nebo nov\u00fd n\u00e1t\u011br by vy\u017eadovaly pr\u00e1ci ve v\u00fd\u0161k\u00e1ch a koordinaci s \u010dinnostmi v okol\u00ed v\u00fdrobn\u00edch jednotek pod nimi. P\u0159\u00edprava povrchu a kvalita n\u00e1t\u011bru b\u011bhem v\u00fdroby jsou proto d\u016fle\u017eit\u00e9 pro snadnou dlouhodobou \u00fadr\u017ebu. Z\u00e1kazn\u00edk cht\u011bl, aby tyto po\u017eadavky na ochranu byly od sam\u00e9ho za\u010d\u00e1tku za\u010dlen\u011bny do materi\u00e1l\u016f a v\u00fdrobn\u00edho procesu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/factory-established.png\" alt=\"\" class=\"wp-image-17523\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"timely-replacement-of-wear-parts\"><strong>V\u010dasn\u00e1 v\u00fdm\u011bna opot\u0159ebiteln\u00fdch d\u00edl\u016f<\/strong><\/h3>\n\n\n\n<p>Jakmile je dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b vyvezen do Kyrgyzst\u00e1nu, mus\u00ed n\u00e1hradn\u00ed d\u00edly proj\u00edt p\u0159eshrani\u010dn\u00edm n\u00e1kupem a p\u0159epravou. N\u011bkter\u00e9 opot\u0159ebiteln\u00e9 d\u00edly jsou mal\u00e9, ale slou\u017e\u00ed d\u016fle\u017eit\u00fdm funkc\u00edm pro zved\u00e1n\u00ed, brzd\u011bn\u00ed, nap\u00e1jen\u00ed nebo \u0159\u00edzen\u00ed. Pokud opot\u0159ebovan\u00fd d\u00edl nelze v\u010das vym\u011bnit, kdy\u017e je je\u0159\u00e1b pot\u0159eba k \u00fadr\u017eb\u011b jednotky, m\u016f\u017ee se \u00fadr\u017eba zpozdit.<\/p>\n\n\n\n<p>Pracovn\u00edci na staveni\u0161ti tak\u00e9 pot\u0159ebuj\u00ed v\u011bd\u011bt, kde je kter\u00e1 sou\u010d\u00e1st nainstalov\u00e1na, kter\u00e1 specifikace plat\u00ed a jak jsou elektrick\u00e9 komponenty zapojeny. Opakovan\u00e1 kontrola model\u016f, zad\u00e1v\u00e1n\u00ed objedn\u00e1vek a zaji\u0161\u0165ov\u00e1n\u00ed dopravy pro ka\u017edou v\u00fdm\u011bnu by mohly je\u0159\u00e1b d\u00e9le vy\u0159adit z provozu. Z\u00e1kazn\u00edk proto cht\u011bl m\u00edt p\u0159edem p\u0159ipraven\u00e9 vhodn\u00e9 n\u00e1hradn\u00ed d\u00edly, kter\u00e9 byly pro \u00fadr\u017eb\u00e1\u0159sk\u00fd t\u00fdm jasn\u011b ozna\u010deny.<\/p>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"solutions-to-the-five-challenges\">\u0158e\u0161en\u00ed p\u011bti v\u00fdzev<\/h2>\n\n\n\n<p>Abychom se vypo\u0159\u00e1dali s t\u011bmito probl\u00e9my se zved\u00e1n\u00edm, prostorem, ochranou a \u00fadr\u017ebou, probrali jsme se z\u00e1kazn\u00edkem uspo\u0159\u00e1d\u00e1n\u00ed strojovny, hmotnost za\u0159\u00edzen\u00ed a provozn\u00ed pot\u0159eby. To n\u00e1m pomohlo ur\u010dit konfiguraci a specifikace dvounosn\u00edkov\u00e9ho mostov\u00e9ho je\u0159\u00e1bu zobrazen\u00e9ho n\u00ed\u017ee.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1949\" height=\"807\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/lh-double-girder-overhead-crane-drawing.png\" alt=\"\" class=\"wp-image-17524\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/lh-double-girder-overhead-crane-drawing.png 1949w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/lh-double-girder-overhead-crane-drawing-1536x636.png 1536w\" sizes=\"(max-width: 1949px) 100vw, 1949px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"technical-parameters\"><strong>Technick\u00e9 parametry<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kapacita: 20 tun<\/li>\n\n\n\n<li>Rozp\u011bt\u00ed: 8,6 m<\/li>\n\n\n\n<li>V\u00fd\u0161ka zdvihu: 13,5 m<\/li>\n\n\n\n<li>Rychlost zdvihu: 3,3\/0,33 m\/min (dvourychlostn\u00ed)<\/li>\n\n\n\n<li>Rychlost pojezdu voz\u00edku: 10 m\/min<\/li>\n\n\n\n<li>Rychlost je\u0159\u00e1bu: 15 m\/min<\/li>\n\n\n\n<li>Pracovn\u00ed povinnost: A3<\/li>\n\n\n\n<li>Zp\u016fsob ovl\u00e1d\u00e1n\u00ed: Dr\u00e1tov\u00fd z\u00e1v\u011bsn\u00fd ovlada\u010d + d\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed<\/li>\n\n\n\n<li>Nap\u00e1jen\u00ed: 380V\/50Hz\/3AC, \u0159\u00eddic\u00ed nap\u011bt\u00ed: 36V<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"product-features\">Vlastnosti produktu<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Jednoduch\u00e1 konstrukce a n\u00edzk\u00e1 vlastn\u00ed hmotnost<\/strong>: Ten <a href=\"https:\/\/www.dgcrane.com\/cs\/crane-trolley\/\">elektrick\u00fd zvedac\u00ed voz\u00edk<\/a> Dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b LH m\u00e1 integrovanou, modul\u00e1rn\u00ed konstrukci. Jeho ni\u017e\u0161\u00ed hmotnost tak\u00e9 sni\u017euje zat\u00ed\u017een\u00ed nosn\u00edk\u016f je\u0159\u00e1bov\u00e9 dr\u00e1hy budovy.<\/li>\n\n\n\n<li><strong>Snadn\u00e1 instalace a ni\u017e\u0161\u00ed n\u00e1klady na \u00fadr\u017ebu:<\/strong> Motor, reduktor a buben s ocelov\u00fdm lanem jsou integrov\u00e1ny do kompaktn\u00ed pojezdov\u00e9 jednotky. Motor a reduktor lze vym\u011bnit samostatn\u011b bez demont\u00e1\u017ee hlavn\u00edch nosn\u00edk\u016f.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"dual-speed-hoisting-and-soft-start-travel-mechanism\"><strong>Dvourychlostn\u00ed zved\u00e1n\u00ed a pozvoln\u00fd rozjezd<\/strong> <strong>Mechanismus<\/strong><\/h3>\n\n\n\n<p>Pro gener\u00e1tor o hmotnosti p\u0159ibli\u017en\u011b 17,5 tuny a turb\u00ednu o hmotnosti 10 tun jsme specifikovali 20tunov\u00fd dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b LH s rychlost\u00ed zdvihu 3,3 a 0,33 m\/min. Norm\u00e1ln\u00ed rychlost slou\u017e\u00ed pro del\u0161\u00ed zdvihy. Jak se gener\u00e1tor nebo turb\u00edna bl\u00ed\u017e\u00ed k z\u00e1klad\u016fm, m\u016f\u017ee obsluha p\u0159epnout na pomalej\u0161\u00ed rychlost \u2013 jednu desetinu norm\u00e1ln\u00ed rychlosti \u2013 aby sledovala polohu jednotky vzhledem k z\u00e1klad\u016fm a postupn\u011b ji spou\u0161t\u011bla podle pokyn\u016f na m\u00edst\u011b. Tyto dv\u011b rychlosti vyva\u017euj\u00ed \u00fa\u010dinnost p\u0159enosu s pe\u010dliv\u00fdm kone\u010dn\u00fdm um\u00edst\u011bn\u00edm a umo\u017e\u0148uj\u00ed obsluze p\u0159izp\u016fsobit rychlost zved\u00e1n\u00ed ka\u017ed\u00e9 f\u00e1zi instalace turb\u00edny.<\/p>\n\n\n\n<p>Pojezd mostu i voz\u00edku vyu\u017e\u00edv\u00e1 motory s pozvoln\u00fdm rozb\u011bhem. Kdy\u017e se je\u0159\u00e1b pohybuje po dr\u00e1ze nebo voz\u00edk nese zav\u011b\u0161en\u00fd gener\u00e1tor \u010di turb\u00ednu p\u0159es most, postupn\u00e9 zrychlov\u00e1n\u00ed pom\u00e1h\u00e1 sn\u00ed\u017eit rozb\u011bhov\u00e9 r\u00e1zy a k\u00fdv\u00e1n\u00ed b\u0159emene. To usnad\u0148uje naveden\u00ed jednotky do c\u00edlov\u00e9 polohy. Pozvoln\u00fd rozb\u011bh vyhlazuje horizont\u00e1ln\u00ed pohyb, zat\u00edmco dvourychlostn\u00ed zved\u00e1n\u00ed \u0159\u00edd\u00ed vertik\u00e1ln\u00ed pohyb a kone\u010dn\u00e9 um\u00edst\u011bn\u00ed; spole\u010dn\u011b tyto funkce podporuj\u00ed stabiln\u00ed zved\u00e1n\u00ed obou jednotek.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lifting-at-different-heights\"><strong>Zved\u00e1n\u00ed v r\u016fzn\u00fdch v\u00fd\u0161k\u00e1ch<\/strong><\/h3>\n\n\n\n<p>Proto\u017ee se oblasti instalace turb\u00edny a gener\u00e1toru nach\u00e1zej\u00ed v r\u016fzn\u00fdch v\u00fd\u0161k\u00e1ch oproti oblasti p\u0159ekl\u00e1dky, zkontrolovali jsme pr\u016f\u0159ezy strojovny, abychom se ujistili, \u017ee h\u00e1k dos\u00e1hne k za\u0159\u00edzen\u00ed a \u017ee bude dostatek prostoru pro zved\u00e1n\u00ed, p\u0159emis\u0165ov\u00e1n\u00ed a um\u00edst\u011bn\u00ed ka\u017ed\u00e9 jednotky. Po\u017eadovan\u00e1 v\u00fd\u0161ka zdvihu byla stanovena na 13,5 m.<\/p>\n\n\n\n<p>V\u00fdpo\u010det tak\u00e9 zohlednil v\u00fd\u0161ku instalace kolejnice, prostor zab\u00edran\u00fd mostem a elektrick\u00fdm kladkostrojem a v\u00fd\u0161ku ka\u017ed\u00e9 jednotky a jej\u00edho zvedac\u00edho za\u0159\u00edzen\u00ed. Po zvednut\u00ed mus\u00ed spodn\u00ed \u010d\u00e1st zav\u011b\u0161en\u00e9 jednotky z\u016fstat mimo betonov\u00e9 z\u00e1klady a pracovn\u00ed plo\u0161iny, aby mohla pokra\u010dovat sm\u011brem ke sv\u00e9 instala\u010dn\u00ed poloze. Zvolen\u00e1 v\u00fd\u0161ka zdvihu proto zahrnuje jak zvednut\u00ed v doln\u00ed pracovn\u00ed oblasti, tak dostate\u010dn\u00fd prostor pro pohyb zvednut\u00e9ho gener\u00e1toru nebo turb\u00edny.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"fitting-the-crane-to-the-powerhouse\"><strong>Mont\u00e1\u017e je\u0159\u00e1bu k elektr\u00e1rn\u011b<\/strong><\/h3>\n\n\n\n<p>Na z\u00e1klad\u011b \u0161\u00ed\u0159ky strojovny a uspo\u0159\u00e1d\u00e1n\u00ed kolejnic na obou stran\u00e1ch jsme stanovili rozp\u011bt\u00ed dvounosn\u00edkov\u00e9ho mostov\u00e9ho je\u0159\u00e1bu na 8,6 m a rozchod voz\u00edku na 1,5 m. Rozp\u011bt\u00ed odpov\u00edd\u00e1 vzd\u00e1lenosti mezi osami kolejnic ranveje, ale pokryt\u00ed h\u00e1ku z\u00e1vis\u00ed tak\u00e9 na pojezdu mostu a voz\u00edku a jejich koncov\u00fdch mez\u00edch. Zohlednili jsme rozm\u011bry budovy pod\u00e9l pracovn\u00ed plochy, abychom zajistili, \u017ee h\u00e1k bude moci obsluhovat instala\u010dn\u00ed z\u00f3ny gener\u00e1toru a turb\u00edny.<\/p>\n\n\n\n<p>Zvl\u00e1\u0161tn\u00ed pozornost vy\u017eadovaly plo\u0161iny, ods\u00e1vac\u00ed potrub\u00ed a betonov\u00fd r\u00e1m. Zkontrolovali jsme jejich um\u00edst\u011bn\u00ed, rozsah pojezdu je\u0159\u00e1bu a napojen\u00ed je\u0159\u00e1bov\u00e9 dr\u00e1hy a pot\u00e9 jsme je sladili s \u0161\u00ed\u0159kou pr\u016fjezdu pot\u0159ebnou k p\u0159em\u00edst\u011bn\u00ed jednotek. Toto pl\u00e1nov\u00e1n\u00ed pomohlo sn\u00ed\u017eit po\u010det opakovan\u00fdch \u00faprav b\u011bhem instalace na staveni\u0161ti.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/factory-drawing.png\" alt=\"\" class=\"wp-image-17525\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/factory-drawing.png 1672w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/factory-drawing-1536x864.png 1536w\" sizes=\"(max-width: 1672px) 100vw, 1672px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"corrosion-protection-and-electrical-reliability\"><strong>Ochrana proti korozi a elektrick\u00e1 spolehlivost<\/strong><\/h3>\n\n\n\n<p>Pro dlouhodobou ochranu ocelov\u00e9 konstrukce je\u0159\u00e1bu jsme nejprve p\u0159ipravili povrchy hlavn\u00edch nosn\u00edk\u016f, koncov\u00fdch voz\u00edk\u016f a dal\u0161\u00edch konstruk\u010dn\u00edch \u010d\u00e1st\u00ed, odstranili jsme olej, prach a okuje, aby se z\u00e1kladn\u00ed n\u00e1t\u011br mohl spr\u00e1vn\u011b p\u0159ichytit. Pot\u00e9 jsme nanesli epoxidov\u00fd z\u00e1kladn\u00ed n\u00e1t\u011br s vysok\u00fdm obsahem zinku v tlou\u0161\u0165ce filmu 120 \u03bcm. V korozivn\u00edm prost\u0159ed\u00ed zinek reaguje d\u0159\u00edve ne\u017e ocel a poskytuje tak ochranu. Po vytvrzen\u00ed epoxid vytv\u00e1\u0159\u00ed hust\u00fd povlak; spolu s hust\u011b uspo\u0159\u00e1dan\u00fdmi \u010d\u00e1sticemi zinku blokuje vodu, kysl\u00edk, chloridov\u00e9 ionty a dal\u0161\u00ed korozivn\u00ed l\u00e1tky v p\u0159\u00edstupu k oceli. Tato \u00faprava ve f\u00e1zi v\u00fdroby je obzvl\u00e1\u0161t\u011b cenn\u00e1 pro hlavn\u00ed a koncov\u00e9 nosn\u00edky, jejich\u017e vyv\u00fd\u0161en\u00e1 poloha by zt\u011b\u017eovala pozd\u011bj\u0161\u00ed odstra\u0148ov\u00e1n\u00ed rzi a op\u011btovn\u00e9 nan\u00e1\u0161en\u00ed n\u00e1t\u011bru.<\/p>\n\n\n\n<p>Elektrick\u00e9 za\u0159\u00edzen\u00ed m\u00e1 kryt\u00ed IP54 a izolaci t\u0159\u00eddy F. IP54 \u0159e\u0161\u00ed vniknut\u00ed prachu a vody a zabra\u0148uje kontaktu s \u017eiv\u00fdmi nebo pohybliv\u00fdmi \u010d\u00e1stmi uvnit\u0159 sk\u0159\u00edn\u011b, zat\u00edmco t\u0159\u00edda F specifikuje tepelnou odolnost izola\u010dn\u00edho materi\u00e1lu. Izolace t\u0159\u00eddy F je dimenzov\u00e1na na dlouhodob\u00fd provoz a\u017e do 155 \u00b0C a je vhodn\u011bj\u0161\u00ed ne\u017e t\u0159\u00edda B pro pohony s prom\u011bnnou frekvenc\u00ed, vysok\u00e9 zat\u00ed\u017een\u00ed a \u010dast\u00e9 ot\u0159esy. Tato opat\u0159en\u00ed spole\u010dn\u011b sni\u017euj\u00ed pravd\u011bpodobnost poruch souvisej\u00edc\u00edch s prost\u0159ed\u00edm a nepl\u00e1novan\u00fdch odst\u00e1vek.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/main-girder-of-overhead-crane-scaled.jpg\" alt=\"\" class=\"wp-image-17526\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/main-girder-of-overhead-crane-scaled.jpg 2560w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/main-girder-of-overhead-crane-1536x1152.jpg 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/main-girder-of-overhead-crane-2048x1536.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Hlavn\u00ed nosn\u00edk mostov\u00e9ho je\u0159\u00e1bu \u00faprava<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1920\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/end-beam-of-overhead-crane-scaled.jpg\" alt=\"\" class=\"wp-image-17527\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/end-beam-of-overhead-crane-scaled.jpg 2560w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/end-beam-of-overhead-crane-1536x1152.jpg 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/end-beam-of-overhead-crane-2048x1536.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Nat\u00edr\u00e1n\u00ed koncov\u00e9ho nosn\u00edku mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"spare-parts-for-faster-maintenance\"><strong>N\u00e1hradn\u00ed d\u00edly pro rychlej\u0161\u00ed \u00fadr\u017ebu<\/strong><\/h3>\n\n\n\n<p>Pro zaji\u0161t\u011bn\u00ed budouc\u00edho servisu jsme k dvounosn\u00edkov\u00e9mu mostov\u00e9mu je\u0159\u00e1bu dodali z\u00e1sobu opot\u0159ebiteln\u00fdch d\u00edl\u016f na dva roky. Pro \u00fadr\u017ebu kladkostroje jsou k dispozici lanov\u00e9 vodi\u010de, brzdov\u00e9 krou\u017eky, ocelov\u00e1 lana, bezpe\u010dnostn\u00ed z\u00e1padky h\u00e1k\u016f a koncov\u00e9 sp\u00edna\u010de. Styka\u010de, sb\u011bra\u010de proudu, uhl\u00edkov\u00e9 kart\u00e1\u010de a tlumi\u010de pojezdu pokr\u00fdvaj\u00ed pravd\u011bpodobn\u00e9 v\u00fdm\u011bny v \u0159\u00eddic\u00edch, nap\u00e1jec\u00edch a pojezdov\u00fdch syst\u00e9mech.<\/p>\n\n\n\n<p>D\u00edky t\u011bmto d\u00edl\u016fm, kter\u00e9 jsou ji\u017e na m\u00edst\u011b, m\u016f\u017ee z\u00e1kazn\u00edk vym\u011bnit opot\u0159ebovan\u00e9 sou\u010d\u00e1sti zji\u0161t\u011bn\u00e9 b\u011bhem b\u011b\u017en\u00fdch kontrol, ani\u017e by musel opakovan\u011b vy\u017eadovat cenov\u00e9 nab\u00eddky, kontrolovat specifikace nebo zad\u00e1vat samostatn\u00e9 objedn\u00e1vky. Bal\u00ed\u010dek obsahuje tak\u00e9 v\u00fdkresy d\u00edl\u016f, sch\u00e9mata zapojen\u00ed a n\u00e1vod k obsluze, aby person\u00e1l \u00fadr\u017eby mohl komponenty lokalizovat a potvrdit po\u017eadavky na v\u00fdm\u011bnu. Rychlej\u0161\u00ed p\u0159\u00edstup ke spr\u00e1vn\u00fdm d\u00edl\u016fm zkracuje dobu \u010dek\u00e1n\u00ed, pom\u00e1h\u00e1 z\u00e1kazn\u00edkovi pl\u00e1novat rozpo\u010dty na \u00fadr\u017ebu a zabra\u0148uje dodate\u010dn\u00fdm n\u00e1klad\u016fm na urgentn\u00ed n\u00e1kupy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"953\" height=\"522\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/11\/packing-list-of-double-girder-overhead-crane.png\" alt=\"\" class=\"wp-image-17528\"><\/figure>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"plan-your-hydropower-crane-project\">Napl\u00e1nujte si projekt vodn\u00edho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>Pokud vyb\u00edr\u00e1te je\u0159\u00e1b pro instalaci nebo \u00fadr\u017ebu vodn\u00ed elektr\u00e1rny, za\u0161lete spole\u010dnosti DGCRANE v\u00fdkresy va\u0161\u00ed elektr\u00e1rny, hmotnost jednotek a po\u017eadavky na zved\u00e1n\u00ed. Na\u0161i technici s v\u00e1mi projdou skute\u010dn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed turb\u00edny a gener\u00e1toru, ov\u011b\u0159\u00ed kryt\u00ed zved\u00e1n\u00edm, metody ovl\u00e1d\u00e1n\u00ed, po\u017eadavky na ochranu a n\u00e1hradn\u00ed d\u00edly a poskytnou v\u00e1m n\u00e1vrh a cenovou nab\u00eddku na m\u00edru. To pom\u016f\u017ee p\u0159izp\u016fsobit dvounosn\u00edkov\u00fd je\u0159\u00e1b EOT dan\u00e9mu m\u00edstu a usnadn\u00ed pl\u00e1nov\u00e1n\u00ed budouc\u00ed \u00fadr\u017eby.<\/p>","protected":false},"excerpt":{"rendered":"Projekt vodn\u00ed elektr\u00e1rny v Kyrgyzst\u00e1nu vy\u017eadoval p\u0159esn\u00e9 um\u00edst\u011bn\u00ed gener\u00e1toru, zved\u00e1n\u00ed mezi oblastmi na r\u016fzn\u00fdch \u00farovn\u00edch podla\u017e\u00ed, pe\u010dliv\u00e9 pl\u00e1nov\u00e1n\u00ed v okol\u00ed p\u0159ek\u00e1\u017eek elektr\u00e1rny a spolehlivou dlouhodobou ochranu a \u00fadr\u017ebu. Specifikovali jsme dvourychlostn\u00ed zved\u00e1n\u00ed, aby dvounosn\u00edkov\u00fd mostov\u00fd je\u0159\u00e1b mohl um\u00edstit gener\u00e1tor a turb\u00ednu stabiln\u011b a p\u0159esn\u011b a z\u00e1rove\u0148 efektivn\u011b zvl\u00e1dat b\u011b\u017en\u00e9 zved\u00e1n\u00ed. My [\u2026]","protected":false},"featured_media":17530,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[4],"posts_tag":[138,78,1072,1071],"class_list":["post-17521","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-cases","posts_tag-double-girder-eot-crane","posts_tag-double-girder-overhead-crane","posts_tag-hydropower-station","posts_tag-kyrgyzstan"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/17521"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":5,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/17521\/revisions"}],"predecessor-version":[{"id":17535,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/17521\/revisions\/17535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media\/17530"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=17521"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=17521"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=17521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}