{"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\/sk\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/","title":{"rendered":"Pr\u00ed\u010diny a rie\u0161enia zlyhania b\u0155zd v mostov\u00fdch \u017eeriavoch"},"content":{"rendered":"<p>V priemyselnom prostred\u00ed mostov\u00e9 \u017eeriavy pr\u00edle\u017eitostne zaznamenaj\u00fa zlyhanie b\u0155zd, \u010do m\u00f4\u017ee vies\u0165 k nebezpe\u010dn\u00e9mu javu \u201epo\u0161myknutia n\u00e1kladu\u201c. St\u00e1va sa to vtedy, ke\u010f oper\u00e1tor \u017eeriavu prestane zdv\u00edha\u0165 alebo sp\u00fa\u0161\u0165a\u0165 bremeno, ale bremeno na\u010falej kles\u00e1, \u010dasto a\u017e za povolen\u00fa hranicu v\/100 (kde v je menovit\u00e1 r\u00fdchlos\u0165 zdv\u00edhania). To predstavuje v\u00e1\u017ene riziko, ak sa n\u00e1klad zo\u0161mykne a\u017e na zem. \u010eal\u0161\u00ed probl\u00e9m nast\u00e1va, ke\u010f sa brzda neuvo\u013en\u00ed, \u010do obmedzuje zdv\u00edhac\u00ed mechanizmus a br\u00e1ni tomu, aby \u017eeriav dosiahol svoju pln\u00fa nosnos\u0165.<\/p>\n\n\n\n<p><strong>Pr\u00ed\u010diny ne\u00fapln\u00e9ho brzdenia<\/strong><\/p>\n\n\n\n<p>Ne\u00fapln\u00e9 brzdenie, ktor\u00e9 umo\u017e\u0148uje \u0161myku n\u00e1kladu, m\u00f4\u017ee prameni\u0165 z nieko\u013ek\u00fdch faktorov:<\/p>\n\n\n\n<ul>\n<li>Opotrebenie: \u010cast\u00e9 pou\u017e\u00edvanie m\u00f4\u017ee sp\u00f4sobi\u0165 opotrebovanie komponentov, ako s\u00fa kol\u00edky, dierky a brzdov\u00e9 do\u0161ti\u010dky, \u010do vedie k zmen\u00e1m polohy brzdov\u00e9ho ramena a zn\u00ed\u017eeniu brzdn\u00e9ho momentu.<\/li>\n\n\n\n<li>Probl\u00e9my s pru\u017einami: Slab\u00e9 alebo nespr\u00e1vne nastaven\u00e9 hlavn\u00e9 pru\u017einy zni\u017euj\u00fa brzdn\u00fa silu, \u010dasto v d\u00f4sledku n\u00edzkej kvality materi\u00e1lu alebo \u00fanavy.<\/li>\n\n\n\n<li>Vych\u00fdlenie: Radi\u00e1lne vych\u00fdlenie brzdov\u00e9ho kolesa m\u00f4\u017ee vies\u0165 k excentricite, \u010do sp\u00f4sob\u00ed zn\u00ed\u017eenie \u00fa\u010dinnosti brzdenia.<\/li>\n\n\n\n<li>Nerovnomern\u00e1 v\u00f4\u013ea do\u0161ti\u010diek: Nerovnomern\u00fd kontakt medzi brzdov\u00fdmi do\u0161ti\u010dkami a brzdov\u00fdm kolesom zni\u017euje kr\u00fatiaci moment, \u010dasto v d\u00f4sledku nepresnost\u00ed pri in\u0161tal\u00e1cii alebo uvo\u013enen\u00fdch skrutiek.<\/li>\n\n\n\n<li>Brzdy s dlh\u00fdm zdvihom s prek\u00e1\u017ekami: Nosn\u00fd materi\u00e1l pod protiz\u00e1va\u017e\u00edm m\u00f4\u017ee zn\u00ed\u017ei\u0165 brzdn\u00fd moment.<\/li>\n<\/ul>\n\n\n\n<p><strong>Rie\u0161enia pre ne\u00fapln\u00e9 brzdenie<\/strong><\/p>\n\n\n\n<p>Na obnovenie spo\u013eahliv\u00e9ho brzdenia sa odpor\u00fa\u010daj\u00fa nasleduj\u00face kroky:<\/p>\n\n\n\n<ul>\n<li>Vyme\u0148te opotrebovan\u00e9 brzdov\u00e9 komponenty a odstr\u00e1\u0148te v\u0161etky prek\u00e1\u017eky.<\/li>\n\n\n\n<li>Vy\u010distite brzdov\u00e9 koleso a do\u0161ti\u010dky petrolejom alebo benz\u00ednom, aby ste odstr\u00e1nili ne\u010distoty.<\/li>\n\n\n\n<li>Vyrovnajte alebo vyme\u0148te nespr\u00e1vne nastaven\u00e9 brzdov\u00e9 koles\u00e1.<\/li>\n\n\n\n<li>Nastavte skrutky a pomocn\u00e9 pru\u017einy pre rovnomern\u00fa v\u00f4\u013eu podlo\u017eky.<\/li>\n\n\n\n<li>Znovu nain\u0161talujte brzdy s presnos\u0165ou, aby ste zaistili spr\u00e1vne zarovnanie a odstr\u00e1\u0148te ak\u00fako\u013evek pridan\u00fa podperu pod protiz\u00e1va\u017eiami.<\/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 \u017eeriav\" 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 \u017eeriav\" 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>Pr\u00ed\u010diny zablokovania b\u0155zd<\/strong><\/p>\n\n\n\n<p>Ke\u010f sa brzdy neuvo\u013enia, medzi be\u017en\u00e9 pr\u00ed\u010diny patria:<\/p>\n\n\n\n<ul>\n<li>Porucha elektromagnetu: Odpojen\u00e1 cievka zastav\u00ed magnet, \u010d\u00edm sa zabr\u00e1ni uvo\u013eneniu brzdy a v\u00fdsledkom bude siln\u00fd zvuk motora.<\/li>\n\n\n\n<li>Ohnut\u00e9 brzdov\u00e9 ty\u010de: Nespr\u00e1vne nastaven\u00e9 ty\u010de m\u00f4\u017eu br\u00e1ni\u0165 pohybu a sp\u00f4sobi\u0165, \u017ee brzda zostane zatvoren\u00e1.<\/li>\n\n\n\n<li>Mechanick\u00e9 prek\u00e1\u017eky: Komponenty v brzdovom mechanizme sa m\u00f4\u017eu zadrh\u00e1va\u0165 a blokova\u0165 vo\u013en\u00fd pohyb.<\/li>\n<\/ul>\n\n\n\n<p><strong>Rie\u0161enia pre blokovanie b\u0155zd<\/strong><\/p>\n\n\n\n<p>Ak chcete vyrie\u0161i\u0165 probl\u00e9my s blokovan\u00edm b\u0155zd:<\/p>\n\n\n\n<ul>\n<li>Vyme\u0148te alebo znova pripojte chybn\u00e9 cievky.<\/li>\n\n\n\n<li>Vyrovnajte alebo vyme\u0148te ohnut\u00e9 ty\u010de.<\/li>\n\n\n\n<li>Identifikujte a odstr\u00e1\u0148te prek\u00e1\u017eky, aby ste zabezpe\u010dili bezprobl\u00e9mov\u00fa prev\u00e1dzku.<\/li>\n<\/ul>\n\n\n\n<p>Rie\u0161enie t\u00fdchto be\u017en\u00fdch probl\u00e9mov s brzdami pom\u00e1ha zv\u00fd\u0161i\u0165 bezpe\u010dnos\u0165 a \u00fa\u010dinnos\u0165 <a href=\"https:\/\/www.sevencrane.com\/sk\/pro_cat\/overhead-crane\/\">mostov\u00e9 \u017eeriavy <\/a>oper\u00e1cie, minimalizuj\u00face rizik\u00e1 pri manipul\u00e1cii s materi\u00e1lom.<\/p>","protected":false},"excerpt":{"rendered":"<p>V priemyselnom prostred\u00ed mostov\u00e9 \u017eeriavy pr\u00edle\u017eitostne zaznamenaj\u00fa zlyhanie b\u0155zd, \u010do m\u00f4\u017ee vies\u0165 k nebezpe\u010dn\u00e9mu javu \u201epo\u0161myknutia n\u00e1kladu\u201c. St\u00e1va sa to vtedy, ke\u010f oper\u00e1tor \u017eeriavu prestane zdv\u00edha\u0165 alebo sp\u00fa\u0161\u0165a\u0165 bremeno, ale bremeno na\u010falej kles\u00e1, \u010dasto a\u017e za povolen\u00fa hranicu v\/100 (kde v je menovit\u00e1 r\u00fdchlos\u0165 zdv\u00edhania). To predstavuje v\u00e1\u017ene rizik\u00e1\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\/sk\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" 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