{"id":6980,"date":"2021-08-25T08:23:20","date_gmt":"2021-08-25T08:23:20","guid":{"rendered":"https:\/\/www.hndfcrane.com\/posts\/crane-wire-rope-damage-wear\/"},"modified":"2024-09-09T07:26:44","modified_gmt":"2024-09-09T07:26:44","slug":"crane-wire-rope-damage-wear","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/cs\/posts\/crane-wire-rope-damage-wear\/","title":{"rendered":"Po\u0161kozen\u00ed a opot\u0159eben\u00ed Je\u0159\u00e1bov\u00e9ho Lana"},"content":{"rendered":"<p><p><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/08\/crane-wire-rope-wear876-389.jpg\" alt=\" \u0161\u00ed\u0159ka=\"876\" height=\"389\" class=\"alignnone size-full wp-image-12490\" \/>[notphone][symmen_model id=11 cat=news_Info][\/notphone][phone][symmen_model id=12 cat=m-news_share][\/phone]<\/p>\n<p><span>Ve skute\u010dn\u00e9m provozn\u00edm procesu se ocelov\u00e9 lano je\u0159\u00e1bu a dal\u0161\u00ed p\u0159edm\u011bty dot\u00fdkaj\u00ed a maj\u00ed relativn\u00ed rychlost. V mechanick\u00e9m za\u0159\u00edzen\u00ed, fyzik\u00e1ln\u00ed chemii a organick\u00e9 chemii skute\u010dn\u00e9ho \u00fa\u010dinku je tak\u00e9 neust\u00e1le po\u0161kozen vzhled ocelov\u00e9ho lana. Ocelov\u00e9 lano nejb\u011b\u017en\u011bj\u0161\u00ed zp\u016fsob po\u0161kozen\u00ed, obecn\u011b se d\u011bl\u00ed na vn\u011bj\u0161\u00ed po\u0161kozen\u00ed, deforma\u010dn\u00ed po\u0161kozen\u00ed a vnit\u0159n\u00ed po\u0161kozen\u00ed.<\/span><\/p>\n<p>Vn\u011bj\u0161\u00ed po\u0161kozen\u00ed ocelov\u00e9ho lana: u ocelov\u00e9ho lana je\u0159\u00e1bu cel\u00fd proces pou\u017e\u00edv\u00e1n\u00ed, jeho obvodov\u00e1 a dynamick\u00e1 dr\u00e1\u017eka kola kladky, st\u011bna prstencov\u00e9ho v\u00e1lce, vn\u011bj\u0161\u00ed dotyk sedla h\u00e1kov\u00e9 hlavy a vznik po\u0161kozen\u00ed pat\u0159\u00ed k vn\u011bj\u0161\u00edmu po\u0161kozen\u00ed. Po vn\u011bj\u0161\u00edm po\u0161kozen\u00ed se pr\u016fm\u011br lana z\u00fa\u017e\u00ed, obvodov\u00fd vzhled jemn\u00e9ho nerezov\u00e9ho dr\u00e1tu se opot\u0159ebuje.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/08\/crane-wire-rope-wear2.jpg\" alt=\" \u0161\u00ed\u0159ka=\"880\" height=\"660\" class=\"alignnone wp-image-12491\" \/><\/p>\n<p>Po\u0161kozen\u00ed deformac\u00ed ocelov\u00e9ho lana: ocelov\u00e9 lano je\u0159\u00e1bu v d\u016fsledku kmit\u00e1n\u00ed a kolize a vzhledu po\u0161kozen\u00ed naz\u00fdvan\u00e9ho deforma\u010dn\u00ed po\u0161kozen\u00ed je sou\u010d\u00e1st\u00ed m\u00edsta po\u0161kozen\u00ed. Pokud navij\u00e1k ocelov\u00e9ho lana naraz\u00ed na jin\u00e9 p\u0159edm\u011bty, zvedac\u00ed za\u0159\u00edzen\u00ed se zvedac\u00ed ocelov\u00e9 lano zaplete do sebe, kv\u016fli dynamick\u00e9mu zkosen\u00ed kladky a zkosen\u00ed a kous\u00e1n\u00ed lana v pr\u016fmyslov\u00e9 z\u00e1kladn\u011b m\u016f\u017ee doj\u00edt k po\u0161kozen\u00ed deformac\u00ed ocelov\u00e9ho lana.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/wp-content\/uploads\/2021\/08\/crane-wire-rope-wear1.png\" alt=\" \u0161\u00ed\u0159ka=\"880\" height=\"853\" class=\"alignnone wp-image-12492\" \/><\/p>\n<p>Vnit\u0159n\u00ed po\u0161kozen\u00ed dr\u00e1t\u011bn\u00e9ho lana: v cel\u00e9m procesu pou\u017e\u00edv\u00e1n\u00ed, kdy je dr\u00e1t\u011bn\u00e9 lano je\u0159\u00e1bu skrz navij\u00e1k nebo pohyblivou kladku, je po\u017eadovan\u00e9 zat\u00ed\u017een\u00ed vtla\u010deno do strany dr\u00e1t\u011bn\u00e9ho lana, ka\u017ed\u00fd jemn\u00fd polom\u011br zak\u0159iven\u00ed dr\u00e1tu z nerezov\u00e9 oceli nemus\u00ed b\u00fdt \u00fapln\u011b stejn\u00fd. Stru\u010dn\u011b \u0159e\u010deno, proto\u017ee dr\u00e1t\u011bn\u00e9 lano je hrub\u00e9, je\u0159\u00e1bov\u00e9 dr\u00e1t\u011bn\u00e9 lano v ka\u017ed\u00e9m jemn\u00e9m dr\u00e1tu z nerezov\u00e9 oceli dojde ke skute\u010dn\u00e9mu \u00fa\u010dinku s\u00edly, klouz\u00e1n\u00ed. V tomto okam\u017eiku se zemn\u00ed nap\u011bt\u00ed mezi pramenem roz\u0161\u00ed\u0159\u00ed, \u010d\u00edm\u017e se \u010d\u00e1st dr\u00e1tu z nerezov\u00e9 oceli mezi sousedn\u00edm pramenem stane sou\u010d\u00e1st\u00ed hlubok\u00e9ho prom\u00e1\u010dknut\u00ed, co\u017e roz\u0161\u00ed\u0159\u00ed anal\u00fdzu d\u016fvod\u016f prask\u00e1n\u00ed dr\u00e1tu mostov\u00e9ho je\u0159\u00e1bu lano.<\/p><\/p>","protected":false},"excerpt":{"rendered":"Po\u0161kozen\u00ed ocelov\u00e9ho lana deformac\u00ed: Je\u0159\u00e1bov\u00e9 ocelov\u00e9 lano v d\u016fsledku kmit\u00e1n\u00ed a kolize a v\u00fdskyt po\u0161kozen\u00ed naz\u00fdvan\u00e9ho deforma\u010dn\u00ed po\u0161kozen\u00ed je sou\u010d\u00e1st\u00ed m\u00edsta po\u0161kozen\u00ed. Pokud na c\u00edvku ocelov\u00e9ho lana p\u016fsob\u00ed jin\u00e9 p\u0159edm\u011bty, zvedac\u00ed za\u0159\u00edzen\u00ed zamot\u00e1v\u00e1 ocelov\u00e9 lanko do sebe v d\u016fsledku dynamick\u00e9ho zkosen\u00ed a rolov\u00e1n\u00ed kladky [\u2026]","protected":false},"featured_media":5973,"parent":0,"menu_order":0,"template":"","posts_category":[197],"posts_tag":[72,73],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6980"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":1,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6980\/revisions"}],"predecessor-version":[{"id":9193,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6980\/revisions\/9193"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media\/5973"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=6980"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=6980"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=6980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}