{"id":16359,"date":"2026-02-06T07:03:10","date_gmt":"2026-02-06T07:03:10","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=16359"},"modified":"2026-02-06T07:03:12","modified_gmt":"2026-02-06T07:03:12","slug":"spillway-gate-gantry-crane","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/no\/spillway-gate-gantry-crane\/","title":{"rendered":"Overl\u00f8psportportalkran: L\u00f8fting av demningstopp for portdrift og vedlikehold"},"content":{"rendered":"<p>En spillwayportalkran er en portalkran installert p\u00e5 toppen av en vannkraftdam. Den er vanligvis konfigurert som en enveis eller toveis mobil enhet, og best\u00e5r av en hovedvogn, en svingbar heisemekanisme, en bromekanisme, portalstrukturen, en f\u00f8rerhytte og diverse elektrisk utstyr og sikkerhetsinnretninger.<\/p>\n\n\n\n<div style=\"height:45px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons FormButton is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"#from-2\" style=\"border-radius:0px\">Foresp\u00f8rsel om kostnadsoverslag<\/a><\/div>\n<\/div>\n\n\n\n<div class=\"ltgallery clearfix content-info\" id=\"1\">\r\n\t\t<div class=\"swiper-container gallery-top\" style=\"pointer-events: none;\">\r\n\t\t\t<div class=\"swiper-wrapper\">\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-1-1.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-5.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Baihetan-Hydropower-Station-Crest-Gantry-Crane-3-watermarked.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-6.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-2.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-3.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-4.jpg?w=870&amp;h=580\" width=\"870\" height=\"580\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t<\/div>\r\n\t\t<\/div><!-- gallery-top -->\r\n\t\t<div class=\"swiper-container gallery-thumbs\">\r\n\t\t\t<div class=\"swiper-wrapper\" style=\"display: block;float: left;\">\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-1-1.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-5.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Baihetan-Hydropower-Station-Crest-Gantry-Crane-3-watermarked.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-6.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-2.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-3.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t\r\n\t\t\t\t\t<div class=\"swiper-slide\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-4.jpg?w=95&amp;h=63\" width=\"95\" height=\"63\" alt=\"\"><\/div>\r\n\t\t\t\t<!-- gallery-thumbs -->\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t<\/div> <!-- swiper gallery -->\n\n\n\n<div style=\"height:65px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Funksjon av spillway portalkran<\/h2>\n\n\n\n<p>Overl\u00f8psportalkran brukes prim\u00e6rt til betjening (\u00e5pning og lukking) av inntaksporter og flomporter ved \u00f8vre del av skipsluser. Den brukes ogs\u00e5 til tung l\u00f8fting av turbinkomponenter, samt installasjon og vedlikehold av sandspylingsporter og deres faste heisesystemer. Videre transporterer den relevante porter til vedlikeholdskammeret for reparasjon eller lagring, mens svingkranen brukes til \u00e5 l\u00f8fte mindre utstyr over demningskammen.<\/p>\n\n\n\n<div style=\"height:75px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Viktige funksjoner ved spillway-portalkraner<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H\u00f8y kapasitet og presisjon<\/strong>Designet med h\u00f8y l\u00f8ftekapasitet og -h\u00f8yde, lave driftshastigheter og et kompakt spenn \u2013 ideelt for krevende portoperasjoner i store vannkraftverk.<\/li>\n\n\n\n<li><strong>Enveis<\/strong>Vognen er fastmontert; bare portalen beveger seg langs demningen.<\/li>\n\n\n\n<li><strong>Toveis<\/strong>Portalkonstruksjonen beveger seg langs demningens akse (langsg\u00e5ende), mens vognen beveger seg i vannstr\u00f8mmens retning (tverrg\u00e5ende).<\/li>\n\n\n\n<li><strong>Utvidet rekkevidde<\/strong>Utstyrt med en dobbel svingmekanisme som \u00f8ker kranens totale arbeidsradius og dekning betydelig.<\/li>\n\n\n\n<li><strong>Forenklet kontroll<\/strong>Konstruert for enkel betjening og vedlikehold, og st\u00f8tter b\u00e5de lokale (p\u00e5 stedet) og fjernkontrollmoduser.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:70px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Spesifikasjoner for overl\u00f8psportkran<\/h2>\n\n\n\n<div data-wp-interactive=\"core\/file\" class=\"wp-block-file postspdf\"><object data-wp-bind--hidden=\"!state.hasPdfPreview\"  class=\"wp-block-file__embed\" data=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-DGCRANE.pdf\" type=\"application\/pdf\" style=\"width:100%;height:600px\" aria-label=\"Embed of Spillway Gate Gantry Crane DGCRANE.\"><\/object><a id=\"wp-block-file--media-045e8235-d392-4ffb-b328-69ea0a571228\" href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-DGCRANE.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Overl\u00f8psportportalkran DGCRANE<\/a><a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Spillway-Gate-Gantry-Crane-DGCRANE.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-045e8235-d392-4ffb-b328-69ea0a571228\">nedlasting<\/a><\/div>\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\">Prosjektcase for portalkran for spillway<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Baihetan vannkraftverk Crest portalkran<\/h3>\n\n\n\n<p>Baihetan vannkraftverks overl\u00f8psportalkran er en toveis kabelhengt portaltalje med en l\u00f8ftekapasitet p\u00e5 10 000 kN\/500 kN.<\/p>\n\n\n\n<p>Hovedkroken har en l\u00f8ftekapasitet p\u00e5 10 000 kN, som for tiden er verdens h\u00f8yeste enkeltkrokkapasitet i vannkraftindustrien. Den brukes prim\u00e6rt til \u00e5 \u00e5pne, lukke og transportere ulykkesporter for dyphull.<\/p>\n\n\n\n<p>Hjelpesvingkranen har en l\u00f8ftekapasitet p\u00e5 500 kN, og brukes prim\u00e6rt til installasjon og vedlikehold av den hydrauliske heisen til overl\u00f8psporten.<\/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=\"1080\" height=\"720\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Baihetan-Hydropower-Station-Crest-Gantry-Crane-2-watermarked.jpg\" alt=\"\" class=\"wp-image-16369\"><\/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=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Baihetan-Hydropower-Station-Crest-Gantry-Crane-watermarked.jpg\" alt=\"\" class=\"wp-image-16370\"><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Gezhouba vannkraftverk intelligent portalkran<\/h3>\n\n\n\n<p>Som det f\u00f8rste storskala vannkraftprosjektet langs Yangtze-elvens hovedstr\u00f8m, benytter Gezhouba vannkraftverk en massiv portalkran for overl\u00f8psporter som er 30 meter h\u00f8y og har et spenn p\u00e5 15 meter. Med en vekt p\u00e5 over 500 tonn h\u00e5ndterer dette kjerneutstyret driften av flate porter, og spiller en kritisk rolle i flomkontroll, str\u00f8mforsyning og demningssikkerhet.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 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=\"1280\" height=\"853\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Gezhouba-Hydropower-Station-Intelligent-Gantry-Crane-watermarked.jpg\" alt=\"\" class=\"wp-image-16372\"><\/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=\"2508\" height=\"1672\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Gezhouba-Hydropower-Station-Intelligent-Gantry-Crane-watermarked.png\" alt=\"\" class=\"wp-image-16373\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Gezhouba-Hydropower-Station-Intelligent-Gantry-Crane-watermarked.png 2508w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Gezhouba-Hydropower-Station-Intelligent-Gantry-Crane-watermarked-1536x1024.png 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Gezhouba-Hydropower-Station-Intelligent-Gantry-Crane-watermarked-2048x1365.png 2048w\" sizes=\"(max-width: 2508px) 100vw, 2508px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><strong>N\u00f8kkelfunksjoner<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Presisjonsposisjonering<\/strong>Ved \u00e5 bruke BeiDou (BDS), laser, UWB og line\u00e6r koding, benytter kranen en fleksibel posisjoneringsarkitektur med \u00abgrov + fin + tilbakemelding + redundant\u00bb. Dette lar systemet oppfatte de n\u00f8yaktige koordinatene, og opprettholder en automatisert kontrolln\u00f8yaktighet innenfor \u00b15 mm.<\/li>\n\n\n\n<li><strong>Smart sammenkobling<\/strong>Et integrert kran-til-port-kommunikasjonssystem utnytter datasyn og RFID for \u00e5 oppn\u00e5 presis identifisering og automatisk deteksjon av b\u00e5de porter og portspor.<\/li>\n\n\n\n<li><strong>Livssyklushelseh\u00e5ndtering<\/strong>Med over 200 sensorer som overv\u00e5ker strukturell stress og transmisjonsfeil, bruker systemet stordataanalyse for \u00e5 gi utstyrsdiagnostikk i sanntid og omfattende livssyklusstyring.<\/li>\n\n\n\n<li><strong>LiDAR-sikkerhetssystem<\/strong>Et innebygd LiDAR-antikollisjonssystem skanner arbeidsomr\u00e5det etter personell og hindringer i sanntid, og utl\u00f8ser en umiddelbar n\u00f8dstopp hvis det oppdages et avvik.<\/li>\n\n\n\n<li><strong>H\u00f8y effektivitet<\/strong>Portresponstiden er redusert til under ett minutt, og hele operasjonen kan h\u00e5ndteres av \u00e9n enkelt operat\u00f8r.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:65px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Taocha-kanalens hovedverk i vannomledningsprosjektet fra s\u00f8r til nord<\/h3>\n\n\n\n<p>En portalkran p\u00e5 2\u00d71500\/300 kN for overl\u00f8psporten er installert p\u00e5 toppen av inntaksdammen i 176,6 meters h\u00f8yde, og betjener b\u00e5de avledningsporten og kraftstasjonsinnl\u00f8pet.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 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=\"870\" height=\"580\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Taocha-Canal-Headworks-of-the-South-to-North-Water-Diversion-Project-2-watermarked.jpg\" alt=\"\" class=\"wp-image-16374\"><\/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=\"2364\" height=\"1576\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Taocha-Canal-Headworks-of-the-South-to-North-Water-Diversion-Project-watermarked.png\" alt=\"\" class=\"wp-image-16375\" srcset=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Taocha-Canal-Headworks-of-the-South-to-North-Water-Diversion-Project-watermarked.png 2364w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Taocha-Canal-Headworks-of-the-South-to-North-Water-Diversion-Project-watermarked-1536x1024.png 1536w, https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/02\/Taocha-Canal-Headworks-of-the-South-to-North-Water-Diversion-Project-watermarked-2048x1365.png 2048w\" sizes=\"(max-width: 2364px) 100vw, 2364px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><strong>N\u00f8kkelfunksjoner<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avansert hydraulisk drift<\/strong>Vognen drives av hydrauliske sylindere, noe som muliggj\u00f8r enkel kontroll og et sv\u00e6rt bredt spekter av trinnl\u00f8s hastighetsregulering (opptil et forhold p\u00e5 2000:1).<\/li>\n\n\n\n<li><strong>H\u00f8y ytelsesdynamikk<\/strong>Det hydrauliske drivsystemet kjennetegnes av sin lette og kompakte design, lave bevegelsestrighet og raske responstider, noe som gj\u00f8r det ideelt for automatisert styring.<\/li>\n\n\n\n<li><strong>Intelligent drift<\/strong>Ved \u00e5 integrere elektrohydraulisk kombinert styring oppn\u00e5r kranen en h\u00f8y grad av prosessautomatisering og st\u00f8tter full fjernstyring.<\/li>\n<\/ul>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"En spillwayportalkran er en portalkran installert p\u00e5 toppen av en vannkraftdam. Den er vanligvis konfigurert som en enveis eller toveis mobil enhet, og best\u00e5r av en hovedheisevogn, en svingbar heisemekanisme, en bromekanisme, portalstrukturen, en f\u00f8rerhytte og diverse elektrisk utstyr og sikkerhetsinnretninger. [\u2026]","protected":false},"author":8,"featured_media":16363,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-new-Product.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[499],"tags":[746],"class_list":["post-16359","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-special-cranes","tag-xgspecial-cranes"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/16359"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/comments?post=16359"}],"version-history":[{"count":8,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/16359\/revisions"}],"predecessor-version":[{"id":16383,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/posts\/16359\/revisions\/16383"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/media\/16363"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/media?parent=16359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/categories?post=16359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/no\/wp-json\/wp\/v2\/tags?post=16359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}