{"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\/de\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/","title":{"rendered":"Ursachen und L\u00f6sungen f\u00fcr Bremsversagen bei Br\u00fcckenkr\u00e4nen"},"content":{"rendered":"<p>In industriellen Umgebungen kommt es bei Br\u00fcckenkr\u00e4nen gelegentlich zu Bremsversagen, was zu dem gef\u00e4hrlichen Ph\u00e4nomen des \u201eLastrutschens\u201c f\u00fchren kann. Dies geschieht, wenn der Kranf\u00fchrer das Heben oder Senken der Last stoppt, die Last jedoch weiter absinkt, h\u00e4ufig \u00fcber die zul\u00e4ssige Grenze von v\/100 hinaus (wobei v die Nennhubgeschwindigkeit ist). Dies birgt ernsthafte Risiken, wenn die Last bis zum Boden rutscht. Ein weiteres Problem tritt auf, wenn die Bremse nicht gel\u00f6st wird, was den Hebemechanismus einschr\u00e4nkt und verhindert, dass der Kran seine volle Hubkapazit\u00e4t erreicht.<\/p>\n\n\n\n<p><strong>Ursachen f\u00fcr unvollst\u00e4ndiges Bremsen<\/strong><\/p>\n\n\n\n<p>Eine unvollst\u00e4ndige Bremsung, bei der die Ladung verrutschen kann, kann mehrere Ursachen haben:<\/p>\n\n\n\n<ul>\n<li>Verschlei\u00df: H\u00e4ufiger Gebrauch kann zum Verschlei\u00df von Komponenten wie Stiften, Stiftl\u00f6chern und Bremsbel\u00e4gen f\u00fchren, was zu Ver\u00e4nderungen der Bremsarmposition und verringertem Bremsdrehmoment f\u00fchrt.<\/li>\n\n\n\n<li>Federprobleme: Schwache oder falsch eingestellte Hauptfedern verringern die Bremskraft, h\u00e4ufig aufgrund schlechter Materialqualit\u00e4t oder Erm\u00fcdung.<\/li>\n\n\n\n<li>Fehlausrichtung: Eine radiale Fehlausrichtung des Bremsrads kann zu Exzentrizit\u00e4t f\u00fchren und dadurch die Bremswirkung verringern.<\/li>\n\n\n\n<li>Ungleichm\u00e4\u00dfiger Belagabstand: Ungleichm\u00e4\u00dfiger Kontakt zwischen Bremsbel\u00e4gen und Bremsrad verringert das Drehmoment, h\u00e4ufig aufgrund von Einbauungenauigkeiten oder losen Schrauben.<\/li>\n\n\n\n<li>Blockierte Langhubbremsen: St\u00fctzmaterial unter dem Gegengewicht kann das Bremsmoment verringern.<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u00f6sungen f\u00fcr unvollst\u00e4ndiges Bremsen<\/strong><\/p>\n\n\n\n<p>Um die zuverl\u00e4ssige Bremsfunktion wiederherzustellen, werden folgende Schritte empfohlen:<\/p>\n\n\n\n<ul>\n<li>Ersetzen Sie verschlissene Bremskomponenten und beseitigen Sie etwaige Verstopfungen.<\/li>\n\n\n\n<li>Reinigen Sie das Bremsrad und die Bremsbel\u00e4ge mit Kerosin oder Benzin, um Verunreinigungen zu entfernen.<\/li>\n\n\n\n<li>Richten Sie falsch ausgerichtete Bremsr\u00e4der neu aus oder ersetzen Sie sie.<\/li>\n\n\n\n<li>Stellen Sie die Schrauben und Hilfsfedern so ein, dass der Abstand zwischen den Bel\u00e4gen gleichm\u00e4\u00dfig ist.<\/li>\n\n\n\n<li>Bauen Sie die Bremsen pr\u00e4zise neu ein, um eine ordnungsgem\u00e4\u00dfe Ausrichtung sicherzustellen, und entfernen Sie jegliche zus\u00e4tzliche St\u00fctze unter den Gegengewichten.<\/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 Br\u00fcckenkran\" 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 Br\u00fcckenkran\" 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>Ursachen f\u00fcr das Blockieren der Bremse<\/strong><\/p>\n\n\n\n<p>Wenn sich die Bremsen nicht l\u00f6sen, kann dies h\u00e4ufig folgende Ursachen haben:<\/p>\n\n\n\n<ul>\n<li>Ausfall des Elektromagneten: Eine getrennte Spule stoppt den Magneten, wodurch das L\u00f6sen der Bremse verhindert wird und ein lautes Motorger\u00e4usch entsteht.<\/li>\n\n\n\n<li>Gebogene Bremsstangen: Falsch ausgerichtete Stangen k\u00f6nnen die Bewegung behindern und dazu f\u00fchren, dass die Bremse geschlossen bleibt.<\/li>\n\n\n\n<li>Mechanische Blockaden: Komponenten im Bremsmechanismus k\u00f6nnen feststecken und die freie Bewegung blockieren.<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u00f6sungen f\u00fcr Bremsverriegelungen<\/strong><\/p>\n\n\n\n<p>So beheben Sie Probleme mit der Bremsblockierung:<\/p>\n\n\n\n<ul>\n<li>Defekte Spulen ersetzen oder erneut anschlie\u00dfen.<\/li>\n\n\n\n<li>Gebogene Stangen begradigen oder ersetzen.<\/li>\n\n\n\n<li>Identifizieren und beseitigen Sie Hindernisse, um einen reibungslosen Betrieb zu gew\u00e4hrleisten.<\/li>\n<\/ul>\n\n\n\n<p>Die Behebung dieser h\u00e4ufigen Bremsprobleme tr\u00e4gt zur Verbesserung der Sicherheit und Effizienz bei <a href=\"https:\/\/www.sevencrane.com\/de\/pro_cat\/overhead-crane\/\">Br\u00fcckenkr\u00e4ne <\/a>Operationen, wodurch Risiken bei der Materialhandhabung minimiert werden.<\/p>","protected":false},"excerpt":{"rendered":"<p>In industriellen Umgebungen kommt es bei Br\u00fcckenkr\u00e4nen gelegentlich zu Bremsversagen, was zu dem gef\u00e4hrlichen Ph\u00e4nomen des \u201eLastrutschens\u201c f\u00fchren kann. Dies geschieht, wenn der Kranf\u00fchrer das Heben oder Senken der Last stoppt, die Last jedoch weiter absinkt, oft \u00fcber die zul\u00e4ssige Grenze von v\/100 hinaus (wobei v die Nennhubgeschwindigkeit ist). Dies birgt ernsthafte Risiken \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\/de\/causes-and-solutions-for-brake-failure-in-bridge-cranes\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" 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