{"id":5319,"date":"2024-11-11T15:56:39","date_gmt":"2024-11-11T07:56:39","guid":{"rendered":"https:\/\/www.sevencrane.com\/?p=5319"},"modified":"2024-11-11T15:56:43","modified_gmt":"2024-11-11T07:56:43","slug":"causes-and-solutions-for-brake-failure-in-bridge-cranes","status":"publish","type":"post","link":"https:\/\/www.sevencrane.com\/cs\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/","title":{"rendered":"P\u0159\u00ed\u010diny a \u0159e\u0161en\u00ed selh\u00e1n\u00ed brzd u mostov\u00fdch je\u0159\u00e1b\u016f"},"content":{"rendered":"<p>V pr\u016fmyslov\u00e9m prost\u0159ed\u00ed mostov\u00e9 je\u0159\u00e1by ob\u010das zaznamenaj\u00ed selh\u00e1n\u00ed brzd, co\u017e m\u016f\u017ee v\u00e9st k nebezpe\u010dn\u00e9mu jevu \u201eprokluzov\u00e1n\u00ed n\u00e1kladu\u201c. K tomu doch\u00e1z\u00ed, kdy\u017e obsluha je\u0159\u00e1bu p\u0159estane zvedat nebo spou\u0161t\u011bt b\u0159emeno, ale b\u0159emeno nad\u00e1le kles\u00e1, \u010dasto a\u017e za povolenou hranici v\/100 (kde v je jmenovit\u00e1 rychlost zdvihu). To p\u0159edstavuje v\u00e1\u017en\u00e9 riziko, pokud n\u00e1klad sklouzne a\u017e na zem. Dal\u0161\u00ed probl\u00e9m nast\u00e1v\u00e1, kdy\u017e se brzda neuvoln\u00ed, co\u017e omezuje zvedac\u00ed mechanismus a br\u00e1n\u00ed je\u0159\u00e1bu v dosa\u017een\u00ed pln\u00e9 nosnosti.<\/p>\n\n\n\n<p><strong>P\u0159\u00ed\u010diny ne\u00fapln\u00e9ho brzd\u011bn\u00ed<\/strong><\/p>\n\n\n\n<p>Ne\u00fapln\u00e9 brzd\u011bn\u00ed, kter\u00e9 umo\u017e\u0148uje prokluzov\u00e1n\u00ed n\u00e1kladu, m\u016f\u017ee pramenit z n\u011bkolika faktor\u016f:<\/p>\n\n\n\n<ul>\n<li>Opot\u0159eben\u00ed: \u010cast\u00e9 pou\u017e\u00edv\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit opot\u0159eben\u00ed sou\u010d\u00e1st\u00ed, jako jsou \u010depy, d\u00edrky a brzdov\u00e9 desti\u010dky, co\u017e vede ke zm\u011bn\u00e1m polohy ramene brzdy a sn\u00ed\u017een\u00ed brzdn\u00e9ho momentu.<\/li>\n\n\n\n<li>Probl\u00e9my s pru\u017einami: Slab\u00e9 nebo nespr\u00e1vn\u011b nastaven\u00e9 hlavn\u00ed pru\u017einy sni\u017euj\u00ed brzdnou s\u00edlu, \u010dasto kv\u016fli \u0161patn\u00e9 kvalit\u011b materi\u00e1lu nebo \u00fanav\u011b.<\/li>\n\n\n\n<li>Nesouosost: Radi\u00e1ln\u00ed nesouosost brzdov\u00e9ho kola m\u016f\u017ee v\u00e9st k excentricit\u011b, co\u017e zp\u016fsobuje sn\u00ed\u017een\u00ed \u00fa\u010dinnosti brzd\u011bn\u00ed.<\/li>\n\n\n\n<li>Nerovnom\u011brn\u00e1 v\u016fle desti\u010dek: Nerovnom\u011brn\u00fd kontakt mezi brzdov\u00fdmi desti\u010dkami a brzdov\u00fdm kolem sni\u017euje to\u010div\u00fd moment, \u010dasto kv\u016fli nep\u0159esnostem p\u0159i instalaci nebo uvoln\u011bn\u00fdm \u0161roub\u016fm.<\/li>\n\n\n\n<li>Zablokovan\u00e9 brzdy s dlouh\u00fdm zdvihem: Podp\u011brn\u00fd materi\u00e1l pod protiz\u00e1va\u017e\u00edm m\u016f\u017ee sn\u00ed\u017eit brzdn\u00fd moment.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0158e\u0161en\u00ed pro ne\u00fapln\u00e9 brzd\u011bn\u00ed<\/strong><\/p>\n\n\n\n<p>Pro obnoven\u00ed spolehliv\u00e9ho brzd\u011bn\u00ed se doporu\u010duj\u00ed n\u00e1sleduj\u00edc\u00ed kroky:<\/p>\n\n\n\n<ul>\n<li>Vym\u011b\u0148te opot\u0159ebovan\u00e9 brzdov\u00e9 sou\u010d\u00e1sti a odstra\u0148te v\u0161echny p\u0159ek\u00e1\u017eky.<\/li>\n\n\n\n<li>Vy\u010dist\u011bte brzdov\u00e9 kolo a desti\u010dky petrolejem nebo benz\u00ednem, abyste odstranili ne\u010distoty.<\/li>\n\n\n\n<li>Vyrovnejte nebo vym\u011b\u0148te \u0161patn\u011b se\u0159\u00edzen\u00e1 brzdov\u00e1 kola.<\/li>\n\n\n\n<li>Nastavte \u0161rouby a pomocn\u00e9 pru\u017einy pro rovnom\u011brnou v\u016fli podlo\u017eky.<\/li>\n\n\n\n<li>Znovu nainstalujte brzdy s p\u0159esnost\u00ed, abyste zajistili spr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed a odstra\u0148te ve\u0161kerou p\u0159idanou podporu pod protiz\u00e1va\u017e\u00edm.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane.jpg\" alt=\"85t mostov\u00fd je\u0159\u00e1b\" class=\"wp-image-5104 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane.jpg\" alt=\"85t mostov\u00fd je\u0159\u00e1b\" class=\"wp-image-5104 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane.jpg 800w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-768x576.jpg 768w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-16x12.jpg 16w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2024\/05\/28110643\/85t-overhead-crane-253x190.jpg 253w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p><strong>P\u0159\u00ed\u010diny zablokov\u00e1n\u00ed brzd<\/strong><\/p>\n\n\n\n<p>Kdy\u017e se brzdy neuvoln\u00ed, mezi b\u011b\u017en\u00e9 p\u0159\u00ed\u010diny pat\u0159\u00ed:<\/p>\n\n\n\n<ul>\n<li>Selh\u00e1n\u00ed elektromagnetu: Odpojen\u00e1 c\u00edvka zastav\u00ed magnet, zabr\u00e1n\u00ed uvoln\u011bn\u00ed brzdy a v\u00fdsledkem je siln\u00fd zvuk motoru.<\/li>\n\n\n\n<li>Ohnut\u00e9 brzdov\u00e9 ty\u010de: Nespr\u00e1vn\u011b zarovnan\u00e9 ty\u010de mohou br\u00e1nit pohybu a zp\u016fsobit, \u017ee brzda z\u016fstane zav\u0159en\u00e1.<\/li>\n\n\n\n<li>Mechanick\u00e9 p\u0159ek\u00e1\u017eky: Sou\u010d\u00e1sti v brzdov\u00e9m mechanismu se mohou zad\u0159\u00edt a blokovat voln\u00fd pohyb.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0158e\u0161en\u00ed pro zamyk\u00e1n\u00ed brzd<\/strong><\/p>\n\n\n\n<p>\u0158e\u0161en\u00ed probl\u00e9m\u016f se zamyk\u00e1n\u00edm brzd:<\/p>\n\n\n\n<ul>\n<li>Vym\u011b\u0148te nebo znovu p\u0159ipojte vadn\u00e9 c\u00edvky.<\/li>\n\n\n\n<li>Ohnut\u00e9 ty\u010de narovnejte nebo vym\u011b\u0148te.<\/li>\n\n\n\n<li>Identifikujte a odstra\u0148te p\u0159ek\u00e1\u017eky, abyste zajistili hladk\u00fd provoz.<\/li>\n<\/ul>\n\n\n\n<p>\u0158e\u0161en\u00ed t\u011bchto b\u011b\u017en\u00fdch probl\u00e9m\u016f s brzdami pom\u00e1h\u00e1 zv\u00fd\u0161it bezpe\u010dnost a \u00fa\u010dinnost <a href=\"https:\/\/www.sevencrane.com\/cs\/pro_cat\/overhead-crane\/\">mostov\u00e9 je\u0159\u00e1by <\/a>operace, minimalizace rizik p\u0159i manipulaci s materi\u00e1lem.<\/p>","protected":false},"excerpt":{"rendered":"<p>V pr\u016fmyslov\u00e9m prost\u0159ed\u00ed mostov\u00e9 je\u0159\u00e1by ob\u010das zaznamenaj\u00ed selh\u00e1n\u00ed brzd, co\u017e m\u016f\u017ee v\u00e9st k nebezpe\u010dn\u00e9mu jevu \u201eprokluzov\u00e1n\u00ed n\u00e1kladu\u201c. K tomu doch\u00e1z\u00ed, kdy\u017e obsluha je\u0159\u00e1bu p\u0159estane zvedat nebo spou\u0161t\u011bt b\u0159emeno, ale b\u0159emeno nad\u00e1le kles\u00e1, \u010dasto a\u017e za povolenou hranici v\/100 (kde v je jmenovit\u00e1 rychlost zdvihu). To p\u0159edstavuje v\u00e1\u017en\u00e1 rizika\u2026<\/p>","protected":false},"author":2,"featured_media":4264,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Causes and Solutions for Brake Failure in Bridge Cranes<\/title>\n<meta name=\"description\" content=\"In industrial settings, bridge cranes occasionally experience brake failures, which can lead to the dangerous phenomenon of \u201cload slipping.\u201d\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sevencrane.com\/cs\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" 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