{"id":4983,"date":"2024-03-12T14:16:48","date_gmt":"2024-03-12T06:16:48","guid":{"rendered":"https:\/\/www.sevencrane.com\/?p=4983"},"modified":"2024-03-12T14:18:04","modified_gmt":"2024-03-12T06:18:04","slug":"common-electrical-faults-of-garbage-grab-bridge-crane","status":"publish","type":"post","link":"https:\/\/www.sevencrane.com\/fi\/common-electrical-faults-of-garbage-grab-bridge-crane\/","title":{"rendered":"Roskasiltanosturin yleiset s\u00e4hk\u00f6viat"},"content":{"rendered":"<p>Roskanosturi on yksi t\u00e4rkeimmist\u00e4 j\u00e4tteenpolttovoimaloiden laitteista. Sen teht\u00e4v\u00e4n\u00e4 on tarttua, sekoittaa ja vy\u00f6hykek\u00e4yt\u00e4\u00e4 kotitalousj\u00e4tteit\u00e4 kotitalousj\u00e4tteen varastokuoppaan. Ja laita k\u00e4ynyt kotitalousj\u00e4tteet polttokattilaan polttamista varten. Roskanostureiden s\u00e4hk\u00f6laitteiden ymm\u00e4rt\u00e4minen on suureksi avuksi kotitalousj\u00e4tteenpolttolaitosten normaalissa toiminnassa. Samalla se on hy\u00f6dyllinen my\u00f6s roskanostureiden k\u00e4yt\u00f6ss\u00e4 ja huollossa jokap\u00e4iv\u00e4isess\u00e4 el\u00e4m\u00e4ss\u00e4.<\/p>\n\n\n\n<p>1. Rajoita j\u00e4rjestelm\u00e4n toimintah\u00e4iri\u00f6it\u00e4<\/p>\n\n\n\n<p>Rajakytkimen p\u00e4\u00e4teht\u00e4v\u00e4 on rajoittaa roskasiltanosturin toiminta-aluetta. Ja varmista, ett\u00e4 laitteet toimivat normaalisti turvallisella alueella. Kun k\u00e4\u00e4nn\u00f6smekanismin rajakytkin t\u00f6rm\u00e4\u00e4 viivaimeen, rajakytkin laukeaa ja PLC pys\u00e4ytt\u00e4\u00e4 mekanismin toiminnan vastaanotettuaan signaalin. Rajakytkinvikojen t\u00e4rkeimm\u00e4t oireet ovat:<\/p>\n\n\n\n<p>1) K\u00e4\u00e4nn\u00f6smekanismin rajakytkin<\/p>\n\n\n\n<p>Nosturi ei voi toimia, koska se ei saavuta pys\u00e4ytysaluetta, mutta rajakytkin laukeaa. Tai saavutetaan pys\u00e4ytysalue, mutta rajakytkin ei laukea, jolloin nosturi ylitt\u00e4\u00e4 toiminta-alueen.<\/p>\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\/2019\/04\/08151612\/12.5T-grab-crane.jpg\" alt=\"12,5T nosturi\" class=\"wp-image-3108 lazyload\"\/><noscript><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane.jpg\" alt=\"12,5T nosturi\" class=\"wp-image-3108 lazyload\" srcset=\"https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane.jpg 800w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane-300x225.jpg 300w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane-768x576.jpg 768w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane-428x321.jpg 428w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane-345x258.jpg 345w, https:\/\/d3fnmw4lwrx8lm.cloudfront.net\/wp-content\/uploads\/2019\/04\/08151612\/12.5T-grab-crane-253x190.jpg 253w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/noscript><\/figure>\n\n\n\n<p>2. Nostomekanismin korkeusrajakytkin<\/p>\n\n\n\n<p>P\u00e4\u00e4asiallinen toimintah\u00e4iri\u00f6 laukesi v\u00e4\u00e4r\u00e4ll\u00e4 korkeudella, jolloin nostomekanismi ei p\u00e4\u00e4ssyt toiminnan edellytt\u00e4m\u00e4\u00e4n korkeuteen. Tai korkeusrajoitussuoja ei laukea normaalikorkeudessa.<\/p>\n\n\n\n<p>2. Enkooderij\u00e4rjestelm\u00e4n toimintah\u00e4iri\u00f6<\/p>\n\n\n\n<p>1) Kosketusn\u00e4yt\u00f6ll\u00e4 n\u00e4ytetyn matkan ja todellisen matkan v\u00e4linen poikkeama on merkitt\u00e4v\u00e4.<\/p>\n\n\n\n<p>2) Kosketusn\u00e4yt\u00f6n veto pysyy muuttumattomana tai tiedot ovat ep\u00e4normaalit, ja PLC n\u00e4ytt\u00e4\u00e4 vian anturimoduulissa.<\/p>\n\n\n\n<p>3. Punnitusj\u00e4rjestelm\u00e4n toimintah\u00e4iri\u00f6<\/p>\n\n\n\n<p>1) Vaa&#039;an n\u00e4ytt\u00e4m\u00e4ss\u00e4 laadussa on poikkeama.<\/p>\n\n\n\n<p>2) Teollisuustietokoneen sy\u00f6tt\u00f6tietueessa on ongelma.<\/p>\n\n\n\n<p>Roskasiltanosturin erityisest\u00e4 toimintaymp\u00e4rist\u00f6st\u00e4 ja ty\u00f6ominaisuuksista johtuen my\u00f6s laitteiden p\u00e4ivitt\u00e4inen tarkastus ja huolto ovat eritt\u00e4in t\u00e4rkeit\u00e4. Ep\u00e4normaalien s\u00e4hk\u00f6komponenttien varhainen havaitseminen ja huolto tai vaihto ovat olennaisia, jotta voidaan perusteellisesti v\u00e4hent\u00e4\u00e4 s\u00e4hk\u00f6vikojen todenn\u00e4k\u00f6isyytt\u00e4 roskanostureissa.<\/p>","protected":false},"excerpt":{"rendered":"<p>Roskanosturi on yksi t\u00e4rkeimmist\u00e4 j\u00e4tteenpolttovoimaloiden laitteista. Sen teht\u00e4v\u00e4n\u00e4 on tarttua, sekoittaa ja vy\u00f6hykek\u00e4yt\u00e4\u00e4 kotitalousj\u00e4tteit\u00e4 kotitalousj\u00e4tteen varastokuoppaan. Ja laita k\u00e4ynyt kotitalousj\u00e4tteet polttokattilaan polttamista varten. Roskanostureiden s\u00e4hk\u00f6laitteiden ymm\u00e4rt\u00e4minen on\u2026<\/p>","protected":false},"author":2,"featured_media":3108,"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>Common Electrical Faults of Garbage Grab Bridge Crane<\/title>\n<meta name=\"description\" content=\"Understanding the garbage grab bridge crane is of great help for the normal operation of household waste incineration plants.\" \/>\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\/fi\/common-electrical-faults-of-garbage-grab-bridge-crane\/\" \/>\n<meta property=\"og:locale\" content=\"fi_FI\" \/>\n<meta property=\"og:type\" 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