{"id":11021,"date":"2026-01-23T08:53:04","date_gmt":"2026-01-23T08:53:04","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?p=11021"},"modified":"2026-01-23T08:53:07","modified_gmt":"2026-01-23T08:53:07","slug":"nuclear-polar-cranes","status":"publish","type":"post","link":"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/","title":{"rendered":"K\u00e4rnkraftskranar: Multifunktionslyftmaskineri f\u00f6r k\u00e4rnkraftverk"},"content":{"rendered":"<p>K\u00e4rnkranar, vanligtvis kallade ringkranar, \u00e4r en speciell typ av tung traverskran som \u00e4r speciellt konstruerad f\u00f6r k\u00e4rnkraftverkens inneslutningsbyggnader. Deras k\u00e4rnfunktion \u00e4r att hantera lyftoperationer genom hela k\u00e4rnkraftproduktionsprocessen. De arbetar vanligtvis p\u00e5 ett cirkul\u00e4rt sp\u00e5r installerat i den \u00f6vre delen av inneslutnings- och reaktorbyggnaderna, vilket m\u00f6jligg\u00f6r full 360\u00b0 t\u00e4ckning.<\/p>\n\n\n<div class=\"pgc-sgb-cb wp-block-pgcsimplygalleryblock-grid\" data-gallery-id=\"dcc71492\"><div class=\"sgb-preloader\" id=\"pr_dcc71492\">\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div>\n\t<div class=\"sgb-square\" style=\"background:#d4d4d4\"><\/div><\/div><div class=\"simply-gallery-amp pgc_sgb_slider\" style=\"display: none;\"><div class=\"sgb-gallery\"><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-6\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"800\" height=\"551\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes.png\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes.png 800w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-4\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"1080\" height=\"735\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes.jpeg\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes.jpeg 1080w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-5\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"2560\" height=\"1707\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-scaled.jpg\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-scaled.jpg 2560w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-2-2\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"875\" height=\"656\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.png\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.png 875w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-2\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"1080\" height=\"810\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.jpeg\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.jpeg 1080w\" sizes=\"250px\"\/><\/a><\/div><div class=\"sgb-item\"><a href=\"https:\/\/www.kscranegroup.com\/sv\/nuclear-polar-cranes\/nuclear-polar-cranes-1-2\/\" target=\"_blank\"><img decoding=\"async\" alt=\"\" width=\"849\" height=\"551\" loading=\"lazy\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-1.jpg\" srcset=\",https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-1.jpg 849w\" sizes=\"250px\"\/><\/a><\/div><\/div><\/div><script type=\"application\/json\" class=\"sgb-data\">{\"galleryType\":\"pgc_sgb_grid\",\"galleryId\":\"dcc71492\",\"images\":[{\"id\":11031,\"title\":\"nuclear polar 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(2)\",\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.jpeg\",\"link\":\"https:\/\/www.kscranegroup.com\/?attachment_id=11026\",\"alt\":\"\",\"description\":\"\",\"caption\":\"\",\"mime\":\"image\/jpeg\",\"type\":\"image\",\"width\":1080,\"height\":810,\"sizes\":{\"thumbnail\":{\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2-150x150.jpeg\",\"height\":150,\"width\":150,\"orientation\":\"landscape\"},\"full\":{\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-2.jpeg\",\"height\":810,\"width\":1080,\"orientation\":\"landscape\"}},\"imageMeta\":{\"aperture\":\"0\",\"credit\":\"\",\"camera\":\"\",\"caption\":\"\",\"created_timestamp\":\"0\",\"copyright\":\"\",\"focal_length\":\"0\",\"iso\":\"0\",\"shutter_speed\":\"0\",\"title\":\"\",\"orientation\":\"0\",\"keywords\":[]},\"meta\":false,\"postlink\":\"https:\/\/www.kscranegroup.com\/?attachment_id=11026\"},{\"id\":11024,\"title\":\"nuclear 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(1)\",\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-1.jpg\",\"link\":\"https:\/\/www.kscranegroup.com\/?attachment_id=11024\",\"alt\":\"\",\"description\":\"\",\"caption\":\"\",\"mime\":\"image\/jpeg\",\"type\":\"image\",\"width\":849,\"height\":551,\"sizes\":{\"thumbnail\":{\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-1-150x150.jpg\",\"height\":150,\"width\":150,\"orientation\":\"landscape\"},\"full\":{\"url\":\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/nuclear-polar-cranes-1.jpg\",\"height\":551,\"width\":849,\"orientation\":\"landscape\"}},\"imageMeta\":{\"aperture\":\"0\",\"credit\":\"\",\"camera\":\"\",\"caption\":\"\",\"created_timestamp\":\"0\",\"copyright\":\"\",\"focal_length\":\"0\",\"iso\":\"0\",\"shutter_speed\":\"0\",\"title\":\"\",\"orientation\":\"0\",\"keywords\":[]},\"meta\":false,\"postlink\":\"https:\/\/www.kscranegroup.com\/?attachment_id=11024\"}],\"itemsMetaDataCollection\":[]}<\/script><script>(function(){if(window.PGC_SGB && window.PGC_SGB.searcher){window.PGC_SGB.searcher.initBlocks()}})()<\/script><\/div>\n\n\n<h2 class=\"wp-block-heading\">Strukturen f\u00f6r k\u00e4rnpolkranar<\/h2>\n\n\n\n<p>Den nukle\u00e4ra polarkranen best\u00e5r av flera samordnade mekanismer, som var och en har en distinkt funktion:<\/p>\n\n\n\n<ul>\n<li><strong>Huvudlyftmekanism:<\/strong> Utf\u00f6r k\u00e4rnlyftoperationer, inklusive lyftning av tung utrustning i reaktorbyggnaden och rutinm\u00e4ssiga underh\u00e5llsuppgifter.<\/li>\n\n\n\n<li><strong>Underh\u00e5llsportal:<\/strong> Assisterar med lokala lyftmoment under underh\u00e5llsarbeten p\u00e5 utrustning.<\/li>\n\n\n\n<li><strong>Plattform f\u00f6r inspektion av inneslutningsskal<\/strong>Anv\u00e4nds f\u00f6r inspektion och underh\u00e5ll av inneslutningskupolen.<\/li>\n\n\n\n<li><strong>Central b\u00e5gbalk<\/strong>Anv\u00e4nds f\u00f6r installation av ringkollektorn och montering\/demontering av installationsvagnen.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"972\" height=\"729\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/01\/Nuclear-Polar-Cranes-Structure.jpg\" alt=\"\" class=\"wp-image-11032\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Huvudfunktioner hos k\u00e4rnpolarkranar<\/h2>\n\n\n\n<ul>\n<li>Under byggnation av k\u00e4rnkraftverk: Att installera och transportera viktiga komponenter i reaktorbyggnaden, inklusive \u00e5nggeneratorer, reaktortryckk\u00e4rl, trycks\u00e4ttare och annan l\u00e4tt utrustning.<\/li>\n\n\n\n<li>Under anl\u00e4ggningsdrift: Att hantera lastning och lossning av utrustning s\u00e5som tryckk\u00e4rlshuvuden och interna komponenter under revisioner av br\u00e4nslep\u00e5fyllning, samt borttagning och utbyte av br\u00e4nslepatroner och reaktorhuvuden.<\/li>\n\n\n\n<li>F\u00f6r underh\u00e5ll och utbyte av utrustning under hela anl\u00e4ggningens livsl\u00e4ngd.<\/li>\n\n\n\n<li>Under avveckling: Att transportera utrustning inom reaktorbyggnaden efter att anl\u00e4ggningen tagits ur drift.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Funktioner hos k\u00e4rnkraftskranar: H\u00f6gkvalitativa, m\u00e5ngsidiga kranar f\u00f6r k\u00e4rnkraftverk<\/h2>\n\n\n\n<p>K\u00e4rnkraftskranar \u00e4r avancerade multifunktionskranar som \u00e4r speciellt utformade f\u00f6r anv\u00e4ndning i k\u00e4rnkraftverk. Deras viktigaste funktioner inkluderar:<\/p>\n\n\n\n<ul>\n<li>M\u00e5ngsidiga lyftm\u00f6jligheter: De integrerar huvudlyftmekanismen, hj\u00e4lplyftar och en underh\u00e5llssv\u00e4ngkran, vilket g\u00f6r att de kan m\u00f6ta en m\u00e4ngd olika lyftkrav.<\/li>\n\n\n\n<li>Cirkul\u00e4r drift: Kranen r\u00f6r sig l\u00e4ngs ett cirkul\u00e4rt sp\u00e5r monterat p\u00e5 en st\u00f6dsadel. Detta sp\u00e5r, som bildas av flera sammanfogade cirkul\u00e4ra b\u00e5gsegment, ger full 360\u00b0 t\u00e4ckning runt reaktorn.<\/li>\n\n\n\n<li>S\u00e4ker och tillf\u00f6rlitlig strukturell design: Kranen har en fels\u00e4ker design d\u00e4r systemet f\u00f6rblir s\u00e4kert i drift \u00e4ven vid fel p\u00e5 en enskild komponent.<\/li>\n\n\n\n<li>H\u00f6gpresterande klassificering: Alla st\u00f6rre mekanismer (f\u00f6rutom vissa underh\u00e5llsanordningar) \u00e4r konstruerade f\u00f6r h\u00f6gpresterande drift, vilket s\u00e4kerst\u00e4ller h\u00e5llbarhet och prestanda.<\/li>\n\n\n\n<li>Robust l\u00e5dbalkkonstruktion: Viktiga strukturella komponenter som brobalk, \u00e4ndvagnar, ringbalk och central b\u00e5gbalk anv\u00e4nder l\u00e5dbalkskonstruktion. Huvudbalken \u00e4r tillverkad som en enda, kontinuerlig enhet (inte segmenterad), vilket ger \u00f6verl\u00e4gsen styrka och styvhet.<\/li>\n\n\n\n<li>H\u00f6gh\u00e5llfasta st\u00e5lmaterial: Prim\u00e4ra b\u00e4rande delar \u00e4r konstruerade av st\u00e5l med en l\u00e4gsta kvalitet Q345 enligt GB\/T 1591. Sekund\u00e4ra b\u00e4rande delar anv\u00e4nder st\u00e5l med mekaniska egenskaper som inte s\u00e4mre \u00e4n Q235 enligt GB\/T 700. Alla b\u00e4rande delar anv\u00e4nder helst t\u00e4tat eller halvt\u00e4tat st\u00e5l f\u00f6r f\u00f6rb\u00e4ttrad prestanda.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">K\u00e4rnparametrar f\u00f6r k\u00e4rnpolarkranar:<\/h2>\n\n\n\n<ul>\n<li><strong>Vagnens lastkapacitet:<\/strong>115 ton ~ 360 ton<\/li>\n\n\n\n<li><strong>Cirkul\u00e4r sp\u00e5rdiameter:<\/strong>35 m ~ 45 m<\/li>\n\n\n\n<li><strong>Sv\u00e4ngvinkel:<\/strong>360\u00b0<\/li>\n\n\n\n<li><strong>Str\u00f6mf\u00f6rs\u00f6rjning:<\/strong>3-fas AC<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Nukle\u00e4ra polarkranar: Flerskiktat k\u00e4rns\u00e4kerhetssystem<\/h2>\n\n\n\n<p>Utrustning som anv\u00e4nds i k\u00e4rnkraftverk \u00e4r avg\u00f6rande f\u00f6r allm\u00e4n s\u00e4kerhet och kr\u00e4ver h\u00f6gsta m\u00f6jliga skydds\u00e5tg\u00e4rder. I enlighet med branschstandarden JB\/T 12214-2015 (Polarkranar f\u00f6r k\u00e4rnkraftverk) specificeras f\u00f6ljande tekniska krav f\u00f6r kranens komponenter:<\/p>\n\n\n\n<ol start=\"1\">\n<li>St\u00f6d f\u00f6r bruten axel f\u00f6r trumma: Lyfttrumman \u00e4r utrustad med en anordning f\u00f6r st\u00f6d f\u00f6r bruten axel vid hantering av farliga laster. Denna anordning f\u00f6rhindrar att trumman faller mer \u00e4n <strong>10 mm<\/strong>vid axelbrott, vilket f\u00f6rhindrar ett lastfall. Det elektriska styrsystemet \u00e4r utformat f\u00f6r att automatiskt uppt\u00e4cka ett s\u00e5dant axel- eller v\u00e4xelaxelbrott och initiera en s\u00e4ker avst\u00e4ngning.<\/li>\n<\/ol>\n\n\n\n<ol start=\"2\">\n<li>St\u00f6d f\u00f6r trasiga hjulaxel och ursp\u00e5rningsskydd: Hjulaxlar och st\u00f6daxlar f\u00f6r balanseringsanordningar \u00e4r utrustade med en st\u00f6dmekanism f\u00f6r att begr\u00e4nsa fallet till maximalt <strong>25 mm<\/strong>om ett axelbrott skulle uppst\u00e5. Dessutom \u00e4r b\u00e5de kranbryggan och l\u00f6pvagnen utrustade med <strong>ursp\u00e5rningsskydd<\/strong>.<\/li>\n<\/ol>\n\n\n\n<ol start=\"3\">\n<li>\u00d6verhastighetsskydd:* Den huvudsakliga lyftmekanismen inneh\u00e5ller <strong>tv\u00e5 oberoende \u00f6verhastighetsskyddssystem<\/strong>som \u00e4r effektiva vid h\u00f6ghastighetsdrift under ett svagt magnetf\u00e4lt utan belastning. Om en \u00f6verhastighet uppst\u00e5r kommer kranen att <strong>automatiskt aktivera sina bromsar<\/strong>.<\/li>\n<\/ol>\n\n\n\n<ol start=\"4\">\n<li>\u00d6verbelastnings- och underbelastningsskydd: Vid \u00f6verbelastning f\u00f6rhindras lyftmekanismen fr\u00e5n att lyfta ytterligare och till\u00e5ts endast s\u00e4nka lasten. Omv\u00e4nt, vid underbelastning, f\u00f6rhindras lyftmekanismen fr\u00e5n att initiera en s\u00e4nkningsoperation.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">Nukle\u00e4ra polarkranar: Professionell installation, precisionsleverans<\/h2>\n\n\n\n<p>V\u00e5r leverans s\u00e4kerst\u00e4ller precision fr\u00e5n grunden, vilket garanterar prestanda och tillf\u00f6rlitlighet f\u00f6r \u00e5rtionden av kritisk service.<\/p>\n\n\n\n<ul>\n<li>H\u00f6gprecisionssp\u00e5rsystem: Genom att anv\u00e4nda slitstarka material av k\u00e4rnkraftskvalitet och precisionspositionering p\u00e5 millimeterniv\u00e5 s\u00e4kerst\u00e4ller vi att den cirkul\u00e4ra sp\u00e5rets horisontella och vertikala inriktning kontrolleras inom en tolerans p\u00e5 \u00b11 mm. Denna grundl\u00e4ggande noggrannhet garanterar kranens smidiga, tysta 360\u00b0-drift och f\u00f6rl\u00e4nger dess livsl\u00e4ngd avsev\u00e4rt.<\/li>\n\n\n\n<li>Digitaliserad bromontering: Genom avancerad 3D-laserskanning och digital f\u00f6rmonteringsteknik identifierar och eliminerar vi alla potentiella st\u00f6rningar vid montering i en virtuell milj\u00f6. Detta m\u00f6jligg\u00f6r framg\u00e5ngsrik montering p\u00e5 plats i en enda hiss, vilket dramatiskt minskar tidslinjerna f\u00f6r kritiska banor.<\/li>\n\n\n\n<li>Intelligent lyftmekanism: Kalibrering \u00e4r integrerad i installationsprocessen. Systemet \u00e4r utrustat med h\u00f6gprecisionssensorer och k\u00e4nner aktivt av och undertrycker lastens sv\u00e4ngningar i realtid, vilket minskar sv\u00e4ngningsamplituden med \u00f6ver 50%. Detta f\u00f6rb\u00e4ttrar placeringsnoggrannheten och driftss\u00e4kerheten avsev\u00e4rt.<\/li>\n\n\n\n<li>Smart elsystem: Elsystemet genomg\u00e5r 100%-f\u00f6rdrifts\u00e4ttning f\u00f6re installation. Med intelligent kraftdistribution och en fj\u00e4rrstyrd drift- och underh\u00e5llsplattform m\u00f6jligg\u00f6r det status\u00f6vervakning i realtid, feldiagnostik p\u00e5 minutniv\u00e5 och optimering av energieffektivitet. Detta s\u00e4kerst\u00e4ller livsl\u00e5ng systemtillf\u00f6rlitlighet och kan f\u00f6rb\u00e4ttra underh\u00e5llseffektiviteten med upp till 30%.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Simulering av viktiga installationssteg f\u00f6r den nukle\u00e4ra polarkranen<\/h3>\n\n\n\n<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/01DGtrrUysQ?si=zEJ0id2QBSSL_rLj\" title=\"YouTube videospelare\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>","protected":false},"excerpt":{"rendered":"K\u00e4rnkranar med polarfunktion, vanligtvis kallade k\u00e4rnkranar, \u00e4r en speciell typ av tung traverskran som \u00e4r speciellt konstruerad f\u00f6r inneslutningsbyggnader i k\u00e4rnkraftverk. Deras k\u00e4rnfunktion \u00e4r att utf\u00f6ra lyftoperationer under hela k\u00e4rnkraftproduktionsprocessen. De arbetar vanligtvis p\u00e5 ett cirkul\u00e4rt sp\u00e5r installerat i den \u00f6vre delen av [\u2026]","protected":false},"author":4,"featured_media":11027,"parent":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-cranes.php","format":"standard","meta":{"_acf_changed":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[33],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/posts\/11021"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/comments?post=11021"}],"version-history":[{"count":4,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/posts\/11021\/revisions"}],"predecessor-version":[{"id":11036,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/posts\/11021\/revisions\/11036"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/media\/11027"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/media?parent=11021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/categories?post=11021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/sv\/wp-json\/wp\/v2\/tags?post=11021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}