{"id":12010,"date":"2026-07-15T01:19:22","date_gmt":"2026-07-15T01:19:22","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=12010"},"modified":"2026-07-15T01:19:28","modified_gmt":"2026-07-15T01:19:28","slug":"overhead-crane-sheave-specifications-and-discard-criteria","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/cs\/posts\/overhead-crane-sheave-specifications-and-discard-criteria\/","title":{"rendered":"Kladka mostov\u00e9ho je\u0159\u00e1bu: Ultim\u00e1tn\u00ed pr\u016fvodce specifikacemi, typy a krit\u00e9rii pro vy\u0159azen\u00ed"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#1-scope\">1. Rozsah p\u016fsobnosti<\/a><\/li><li><a href=\"#2-sheave-types-and-bearing-categories\">2. Typy kladek a kategorie lo\u017eisek<\/a><ul><li><a href=\"#2-1-by-manufacturing-process\">2.1 Podle v\u00fdrobn\u00edho procesu<\/a><\/li><li><a href=\"#2-2-by-bearing-type\">2.2 Podle typu lo\u017eiska<\/a><\/li><\/ul><\/li><li><a href=\"#3-rope-groove-dimensions-and-d-d-ratio\">3. Rozm\u011bry dr\u00e1\u017eky lana a pom\u011br D\/d<\/a><\/li><li><a href=\"#4-technical-requirements\">4. Technick\u00e9 po\u017eadavky<\/a><ul><li><a href=\"#4-1-material-grades\">4.1 Druhy materi\u00e1l\u016f<\/a><\/li><li><a href=\"#4-2-surface-finish-and-fits\">4.2 Povrchov\u00e1 \u00faprava a ulo\u017een\u00ed<\/a><\/li><li><a href=\"#4-3-geometric-tolerances\">4.3 Geometrick\u00e9 tolerance<\/a><\/li><li><a href=\"#4-4-operating-conditions\">4.4 Provozn\u00ed podm\u00ednky<\/a><\/li><li><a href=\"#4-5-sheave-discard-criteria\">4.5 Krit\u00e9ria pro vy\u0159azen\u00ed kladek<\/a><\/li><\/ul><\/li><li><a href=\"#5-marking-packaging-transport-and-storage\">5. Zna\u010den\u00ed, balen\u00ed, p\u0159eprava a skladov\u00e1n\u00ed<\/a><\/li><li><a href=\"#6-key-takeaways-for-safe-and-reliable-lifting\">6. Kl\u00ed\u010dov\u00e9 poznatky pro bezpe\u010dn\u00e9 a spolehliv\u00e9 zved\u00e1n\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Kladka mostov\u00e9ho je\u0159\u00e1bu je jednou z nejd\u016fle\u017eit\u011bj\u0161\u00edch sou\u010d\u00e1st\u00ed syst\u00e9mu nav\u00edjen\u00ed ocelov\u00fdch lan je\u0159\u00e1bu, kter\u00e1 se \u0161iroce pou\u017e\u00edv\u00e1 v <a href=\"https:\/\/www.kscranegroup.com\/cs\/overhead-cranes\/\">mostov\u00e9 je\u0159\u00e1by<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/cs\/gantry-crane\/\">port\u00e1lov\u00e9 je\u0159\u00e1by<\/a>, <a href=\"https:\/\/www.kscranegroup.com\/cs\/electric-crane-hoist\/electric-wire-rope-hoist.html\/\">elektrick\u00e9 kladkostroje<\/a>, a dal\u0161\u00ed zdvihac\u00ed za\u0159\u00edzen\u00ed. Profil dr\u00e1\u017eky, pr\u016fm\u011br, uspo\u0159\u00e1d\u00e1n\u00ed lo\u017eisek, materi\u00e1l a kvalita v\u00fdroby p\u0159\u00edmo ovliv\u0148uj\u00ed \u017eivotnost ocelov\u00e9ho lana, \u00fa\u010dinnost zved\u00e1n\u00ed a celkovou bezpe\u010dnost je\u0159\u00e1bu.<\/p>\n\n\n\n<p>Tato p\u0159\u00edru\u010dka vysv\u011btluje technick\u00e9 po\u017eadavky na kladky mostov\u00fdch je\u0159\u00e1b\u016f na z\u00e1klad\u011b normy GB\/T 27546-2011, v\u010detn\u011b typ\u016f kladek, variant lo\u017eisek, rozm\u011br\u016f dr\u00e1\u017eek pro lana, jakost\u00ed materi\u00e1l\u016f, geometrick\u00fdch toleranc\u00ed, provozn\u00edch po\u017eadavk\u016f a krit\u00e9ri\u00ed pro vy\u0159azen\u00ed. A\u0165 u\u017e vyb\u00edr\u00e1te novou kladku je\u0159\u00e1bu, kontrolujete st\u00e1vaj\u00edc\u00ed nebo porovn\u00e1v\u00e1te konstruk\u010dn\u00ed specifikace, tento \u010dl\u00e1nek poskytuje praktickou in\u017een\u00fdrskou referenci.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1659\" height=\"948\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png\" alt=\"\" class=\"wp-image-12001\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies.png 1659w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/1Overhead-Crane-Sheave-Selection-Finished-crane-sheave-bodies-1536x878.png 1536w\" sizes=\"(max-width: 1659px) 100vw, 1659px\" \/><figcaption class=\"wp-element-caption\"><em>Hotov\u00e1 t\u011blesa je\u0159\u00e1bov\u00fdch kladek<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-scope\">1. Rozsah p\u016fsobnosti<\/h2>\n\n\n\n<p>Norma GB\/T 27546-2011 se vztahuje na ocelov\u00e9 (nebo litinov\u00e9) kladky pro ocelov\u00e1 lana b\u011b\u017en\u011b pou\u017e\u00edvan\u00e1 u je\u0159\u00e1b\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-sheave-types-and-bearing-categories\">2. Typy kladek a kategorie lo\u017eisek<\/h2>\n\n\n\n<p>Typick\u00e1 sestava kladky se skl\u00e1d\u00e1 z r\u00e1fku, stojiny\/paprsku, n\u00e1boje, lo\u017eiska, protiprachov\u00e9ho krytu, distan\u010dn\u00edho krou\u017eku a pojistn\u00e9ho krou\u017eku.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"2027\" height=\"776\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png\" alt=\"\" class=\"wp-image-12002\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure.png 2027w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/2Figure-2-Typical-sheave-assembly-structure-1536x588.png 1536w\" sizes=\"(max-width: 2027px) 100vw, 2027px\" \/><figcaption class=\"wp-element-caption\"><em>Typick\u00e1 konstrukce sestavy kladky (Zdroj: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-by-manufacturing-process\">2.1 Podle v\u00fdrobn\u00edho procesu<\/h3>\n\n\n\n<p>Kladky mostov\u00fdch je\u0159\u00e1b\u016f se vyr\u00e1b\u011bj\u00ed ve \u010dty\u0159ech typech: lit\u00e9, sva\u0159ovan\u00e9, dvojit\u011b lisovan\u00e9 a v\u00e1lcovan\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1885\" height=\"834\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png\" alt=\"\" class=\"wp-image-12003\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles.png 1885w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/3Figure-3-Sheave-types-and-rope-groove-profiles-1536x680.png 1536w\" sizes=\"(max-width: 1885px) 100vw, 1885px\" \/><figcaption class=\"wp-element-caption\"><em>Typy kladek a profily dr\u00e1\u017eek pro lana (Zdroj: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-by-bearing-type\">2.2 Podle typu lo\u017eiska<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Typ lo\u017eiska<\/th><th>Referen\u010dn\u00ed standard<\/th><\/tr><\/thead><tbody><tr><td>Kuli\u010dkov\u00e9 lo\u017eisko s hlubokou dr\u00e1\u017ekou<\/td><td>GB\/T 276-2013<\/td><\/tr><tr><td>V\u00e1le\u010dkov\u00e9 lo\u017eisko<\/td><td>GB\/T 283-2021<\/td><\/tr><tr><td>Dvou\u0159ad\u00e9 v\u00e1lcov\u00e9 lo\u017eisko s pln\u00fdm po\u010dtem lo\u017eisek<\/td><td>GB\/T 285-2013<\/td><\/tr><tr><td>Kluzn\u00e9 lo\u017eisko<\/td><td>GB\/T 10445-1989<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/4Figure-4-Sheave-bearing-types.png\" alt=\"\" class=\"wp-image-12004\"\/><figcaption class=\"wp-element-caption\"><em>Typy lo\u017eisek kladek (Zdroj: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-rope-groove-dimensions-and-d-d-ratio\">3. Rozm\u011bry dr\u00e1\u017eky lana a pom\u011br D\/d<\/h2>\n\n\n\n<p>Rozm\u011bry pr\u016f\u0159ezu dr\u00e1\u017eky lana mus\u00ed odpov\u00eddat tabulce 1 normy.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1073\" height=\"1465\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/5Table-1-Sheave-rope-groove-cross-section-basic-dimensions.png\" alt=\"\" class=\"wp-image-12005\"\/><figcaption class=\"wp-element-caption\"><em>Tabulka 1 Z\u00e1kladn\u00ed rozm\u011bry pr\u016f\u0159ezu dr\u00e1\u017eky lana kladky (Zdroj: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>Vztah mezi pr\u016fm\u011brem kladky D a pr\u016fm\u011brem ocelov\u00e9ho lana d (pom\u011br D\/d) je uveden v tabulce 2. Na tento \u00fadaj se odkazuje tak\u00e9 v norm\u011b GB\/T 34529-2017 pro celkov\u00fd v\u00fdb\u011br bubnu a kladky.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1310\" height=\"1201\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/6Table-2-Relationship-between-sheave-diameter-D-and-wire-rope-diameter-d.png\" alt=\"\" class=\"wp-image-12006\"\/><figcaption class=\"wp-element-caption\"><em>Tabulka 2 Vztah mezi pr\u016fm\u011brem kladky D a pr\u016fm\u011brem ocelov\u00e9ho lana d (Zdroj: GB\/T 34529-2017)<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-technical-requirements\">4. Technick\u00e9 po\u017eadavky<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-1-material-grades\">4.1 Druhy materi\u00e1l\u016f<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u010c\u00e1st<\/th><th>Materi\u00e1l<\/th><th>Pou\u017eiteln\u00fd proces<\/th><\/tr><\/thead><tbody><tr><td>N\u00e1boj, stojina, r\u00e1fek, lanov\u00e1 vlo\u017eka<\/td><td>Lit\u00e1 ocel \u2265 ZG270-500 (GB\/T 11352-2009)<\/td><td>Lit\u00e1 kladka<\/td><\/tr><tr><td>N\u00e1boj, stojina, r\u00e1fek, lanov\u00e1 vlo\u017eka<\/td><td>Litina \u2265 HT200 (GB\/T 9439-2023)<\/td><td>Lit\u00e1 kladka, lisovan\u00fd n\u00e1boj kladky, distan\u010dn\u00ed podlo\u017eka<\/td><\/tr><tr><td>N\u00e1boj, stojina, r\u00e1fek, lanov\u00e1 vlo\u017eka<\/td><td>Tv\u00e1rn\u00e1 litina \u2265 QT400-18 (GB\/T 1348-2019)<\/td><td>Lit\u00e1 kladka<\/td><\/tr><tr><td>N\u00e1boj, stojina, r\u00e1fek, lanov\u00e1 vlo\u017eka<\/td><td>Konstruk\u010dn\u00ed ocel \u2265 Q235B (GB\/T 700-2006)<\/td><td>V\u00e1lcovan\u00e1, sva\u0159ovan\u00e1 kladka; lisovan\u00e1 kladka (stoj, spojovac\u00ed trubka), protiprachov\u00fd kryt<\/td><\/tr><tr><td>Pojistn\u00fd krou\u017eek<\/td><td>Konstruk\u010dn\u00ed ocel \u2265 45 (GB\/T 699-2015)<\/td><td>V\u0161echny typy<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1254\" height=\"1254\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png\" alt=\"\" class=\"wp-image-12007\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank.png 1254w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/7Figure-5-Cast-sheave-blank-150x150.png 150w\" sizes=\"(max-width: 1254px) 100vw, 1254px\" \/><figcaption class=\"wp-element-caption\"><em>Polotovar lit\u00e9 kladky<\/em><\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-2-surface-finish-and-fits\">4.2 Povrchov\u00e1 \u00faprava a ulo\u017een\u00ed<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Vlastnosti<\/th><th>Po\u017eadavek<\/th><\/tr><\/thead><tbody><tr><td>Povrch dr\u00e1\u017eky lana (obroben\u00fd)<\/td><td>Ra \u2264 12,5 \u03bcm<\/td><\/tr><tr><td>Povrch dr\u00e1\u017eky lana (v\u00e1lcovan\u00fd\/lisovan\u00fd)<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>Povrch lo\u017eiskov\u00e9ho otvoru<\/td><td>Ra \u2264 3,2 \u03bcm<\/td><\/tr><tr><td>Jin\u00e9 neobroben\u00e9 povrchy<\/td><td>Ra \u2264 25 \u03bcm<\/td><\/tr><tr><td>T\u011bleso kladky se p\u0159izp\u016fsob\u00ed vn\u011bj\u0161\u00edmu pr\u016fm\u011bru lo\u017eiska<\/td><td>Doporu\u010deno M7 nebo P7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-3-geometric-tolerances\">4.3 Geometrick\u00e9 tolerance<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1628\" height=\"966\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png\" alt=\"\" class=\"wp-image-12008\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances.png 1628w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/8Figure-6-Sheave-geometric-tolerances-1536x911.png 1536w\" sizes=\"(max-width: 1628px) 100vw, 1628px\" \/><figcaption class=\"wp-element-caption\"><em>Geometrick\u00e9 tolerance kladek (Zdroj: GB\/T 27546-2011)<\/em><\/figcaption><\/figure>\n\n\n\n<p>t1 a t2 jsou tolerance tvaru; t3 a t4 jsou tolerance polohy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-4-operating-conditions\">4.4 Provozn\u00ed podm\u00ednky<\/h3>\n\n\n\n<ul>\n<li>Okoln\u00ed teplota: \u221220 \u00b0C a\u017e +40 \u00b0C. Podm\u00ednky mimo tento rozsah vy\u017eaduj\u00ed dohodu mezi u\u017eivatelem a v\u00fdrobcem.<\/li>\n\n\n\n<li>\u00dahel n\u00e1b\u011bhu lana p\u0159i vstupu\/v\u00fdstupu z dr\u00e1\u017eky kladky: \u2264 5\u00b0<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-5-sheave-discard-criteria\">4.5 Krit\u00e9ria pro vy\u0159azen\u00ed kladek<\/h3>\n\n\n\n<p>Kladka mostov\u00e9ho je\u0159\u00e1bu se mus\u00ed vy\u0159adit, pokud se zjist\u00ed n\u011bkter\u00e1 z n\u00e1sleduj\u00edc\u00edch podm\u00ednek:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>#<\/th><th>Podm\u00ednka zahozen\u00ed<\/th><\/tr><\/thead><tbody><tr><td>1<\/td><td>Trhliny nebo uvoln\u011bn\u00e9 n\u00fdtovan\u00e9 spoje<\/td><\/tr><tr><td>2<\/td><td>Po\u0161kozen\u00ed r\u00e1fku; nerovnom\u011brn\u00e9 opot\u0159eben\u00ed dr\u00e1\u017eek dosahuj\u00edc\u00ed 3 mm<\/td><\/tr><tr><td>3<\/td><td>Sva\u0159ovan\u00e1, lit\u00e1 nebo v\u00e1lcovan\u00e1 kladka: opot\u0159eben\u00ed p\u0159esahuje 201 TP1T tlou\u0161\u0165ky r\u00e1fku NEBO zmen\u0161en\u00ed pr\u016fm\u011bru dna dr\u00e1\u017eky dos\u00e1hne 501 TP1T pr\u016fm\u011bru ocelov\u00e9ho lana<\/td><\/tr><tr><td>4<\/td><td>Dvojit\u00e1 lisovan\u00e1 kladka: opot\u0159eben\u00ed lanov\u00e9 vlo\u017eky p\u0159ekra\u010duje p\u016fvodn\u00ed tlou\u0161\u0165ku 50%<\/td><\/tr><tr><td>5<\/td><td>Jak\u00e1koli jin\u00e1 z\u00e1vada ovliv\u0148uj\u00edc\u00ed provoz nebo zp\u016fsobuj\u00edc\u00ed po\u0161kozen\u00ed ocelov\u00e9ho lana<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Pozn\u00e1mka<\/strong>Norma GB\/T 27546-2026 (\u00fa\u010dinn\u00e1 od z\u00e1\u0159\u00ed 2026) ru\u0161\u00ed ustanoven\u00ed o krit\u00e9ri\u00edch pro vy\u0159azov\u00e1n\u00ed. V\u00fd\u0161e uveden\u00e9 prahov\u00e9 hodnoty pro vy\u0159azov\u00e1n\u00ed z vyd\u00e1n\u00ed z roku 2011 z\u016fst\u00e1vaj\u00ed cenn\u00fdm referen\u010dn\u00edm materi\u00e1lem pro praktickou kontrolu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-marking-packaging-transport-and-storage\">5. Zna\u010den\u00ed, balen\u00ed, p\u0159eprava a skladov\u00e1n\u00ed<\/h2>\n\n\n\n<ul>\n<li>Ka\u017ed\u00e1 kladka mus\u00ed b\u00fdt opat\u0159ena trval\u00fdm a \u010diteln\u00fdm ozna\u010den\u00edm na viditeln\u00e9m m\u00edst\u011b, kter\u00e9 uv\u00e1d\u00ed ozna\u010den\u00ed modelu kladky a identifikaci v\u00fdrobce.<\/li>\n\n\n\n<li>Balen\u00ed mus\u00ed chr\u00e1nit kladky p\u0159ed po\u0161kozen\u00edm a koroz\u00ed (GB\/T 13384-2008)<\/li>\n\n\n\n<li>B\u011bhem p\u0159epravy mus\u00ed b\u00fdt p\u0159ijata vhodn\u00e1 ochrann\u00e1 opat\u0159en\u00ed.<\/li>\n\n\n\n<li>B\u011bhem skladov\u00e1n\u00ed se kladky nesm\u00ed dostat do kontaktu s kysel\u00fdmi nebo alkalick\u00fdmi korozivn\u00edmi l\u00e1tkami; chra\u0148te je p\u0159ed vniknut\u00edm vody a dlouhodob\u00fdm p\u0159\u00edm\u00fdm slune\u010dn\u00edm z\u00e1\u0159en\u00edm.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1327\" height=\"1186\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/07\/9Figure-7-Ring-rolled-double-plate-wide-groove-sheave.png\" alt=\"\" class=\"wp-image-12009\"\/><figcaption class=\"wp-element-caption\"><em>V\u00e1lcovan\u00e1 dvojit\u00e1 kladka se \u0161irokou dr\u00e1\u017ekou<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-key-takeaways-for-safe-and-reliable-lifting\">6. Kl\u00ed\u010dov\u00e9 poznatky pro bezpe\u010dn\u00e9 a spolehliv\u00e9 zved\u00e1n\u00ed<\/h2>\n\n\n\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9 kladky mostov\u00e9ho je\u0159\u00e1bu je pouze \u010d\u00e1st\u00ed zaji\u0161t\u011bn\u00ed bezpe\u010dn\u00e9ho a spolehliv\u00e9ho provozu je\u0159\u00e1bu. Spr\u00e1vn\u00e9 rozm\u011bry dr\u00e1\u017eek, vhodn\u00e9 materi\u00e1ly, p\u0159esn\u00e9 v\u00fdrobn\u00ed tolerance a pravideln\u00e9 kontroly p\u0159isp\u00edvaj\u00ed k prodlou\u017een\u00ed \u017eivotnosti ocelov\u00e9ho lana a sn\u00ed\u017een\u00ed n\u00e1klad\u016f na \u00fadr\u017ebu.<\/p>\n\n\n\n<p>Dodr\u017eov\u00e1n\u00edm technick\u00fdch po\u017eadavk\u016f normy GB\/T 27546-2011 a uplat\u0148ov\u00e1n\u00edm doporu\u010den\u00fdch krit\u00e9ri\u00ed pro vy\u0159azov\u00e1n\u00ed b\u011bhem b\u011b\u017en\u00fdch kontrol mohou majitel\u00e9 je\u0159\u00e1b\u016f a \u00fadr\u017eb\u00e1\u0159i zlep\u0161it spolehlivost za\u0159\u00edzen\u00ed a minimalizovat riziko neo\u010dek\u00e1van\u00fdch poruch.<\/p>\n\n\n\n<p>Pokud navrhujete, vym\u011b\u0148ujete nebo udr\u017eujete kladky mostov\u00fdch je\u0159\u00e1b\u016f, tyto specifikace poskytuj\u00ed praktick\u00fd n\u00e1vod pro dosa\u017een\u00ed bezpe\u010dnosti i dlouhodob\u00e9ho v\u00fdkonu.<\/p>\n\n\n\n<p><strong>Referen\u010dn\u00ed standardy<strong><strong><strong>(<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/std\/std_list?p.p1=0&amp;p.p90=circulation_date&amp;p.p91=desc&amp;p.p2=%E8%B5%B7%E9%87%8D%E6%9C%BA\" target=\"_blank\" rel=\"noopener\">Dotaz na \u010d\u00ednsk\u00e9 normy pro je\u0159\u00e1by<\/a>)<\/strong><\/strong><\/strong>:<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 27546-2011 Je\u0159\u00e1by \u2013 Kladky<\/li>\n\n\n\n<li>GB\/T 34529-2017 Je\u0159\u00e1by a kladkostroje \u2013 V\u00fdb\u011br ocelov\u00fdch lan, bubn\u016f a kladkostroj\u016f (IDT ISO 16625:2013)<\/li>\n\n\n\n<li>GB\/T 11352-2009 Odlitky z uhl\u00edkov\u00e9 oceli pro v\u0161eobecn\u00e9 stroj\u00edrensk\u00e9 \u00fa\u010dely<\/li>\n\n\n\n<li>GB\/T 9439-2023 Odlitky ze \u0161ed\u00e9 litiny<\/li>\n\n\n\n<li>GB\/T 1348-2019 Odlitky z tv\u00e1rn\u00e9 litiny<\/li>\n\n\n\n<li>GB\/T 700-2006 Uhl\u00edkov\u00e9 konstruk\u010dn\u00ed oceli<\/li>\n\n\n\n<li>GB\/T 699-2015 Kvalitn\u00ed uhl\u00edkov\u00e9 konstruk\u010dn\u00ed oceli<\/li>\n\n\n\n<li>GB\/T 276-2013 Valiv\u00e1 lo\u017eiska \u2013 Kuli\u010dkov\u00e1 lo\u017eiska s hlubokou dr\u00e1\u017ekou \u2013 Mezn\u00ed rozm\u011bry<\/li>\n\n\n\n<li>GB\/T 283-2021 Valiv\u00e1 lo\u017eiska \u2013 V\u00e1le\u010dkov\u00e1 lo\u017eiska \u2013 Mezn\u00ed rozm\u011bry<\/li>\n\n\n\n<li>GB\/T 285-2013 Valiv\u00e1 lo\u017eiska \u2013 Dvou\u0159ad\u00e1 v\u00e1le\u010dkov\u00e1 lo\u017eiska \u2013 Mezn\u00ed rozm\u011bry<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"An overhead crane sheave is a critical load-bearing component in the reeving system \u2014 its groove geometry, bearing type, material, and condition directly affect wire rope service life and lifting safe","protected":false},"featured_media":12001,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[801,858,857,850,121,860,862,861,859,57],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12010"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":6,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions"}],"predecessor-version":[{"id":12056,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/12010\/revisions\/12056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media\/12001"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media?parent=12010"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_category?post=12010"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=12010"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}