{"id":16151,"date":"2026-09-16T08:50:19","date_gmt":"2026-09-16T08:50:19","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=16151"},"modified":"2026-09-16T08:50:21","modified_gmt":"2026-09-16T08:50:21","slug":"overhead-crane-hook-types-and-safety-requirements","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/cs\/posts\/overhead-crane-hook-types-and-safety-requirements\/","title":{"rendered":"Typy h\u00e1k\u016f mostov\u00fdch je\u0159\u00e1b\u016f a bezpe\u010dnostn\u00ed po\u017eadavky"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#overhead-crane-hook-types-and-structure\">Typy a konstrukce h\u00e1k\u016f mostov\u00fdch je\u0159\u00e1b\u016f<\/a><\/li><li><a href=\"#overhead-crane-hook-blocks\">H\u00e1kov\u00e9 kladkostroje pro mostov\u00e9 je\u0159\u00e1by<\/a><\/li><li><a href=\"#dangerous-sections-of-an-overhead-crane-hook\">Nebezpe\u010dn\u00e9 \u010d\u00e1sti h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#overhead-crane-hook-safety-inspection-requirements\">Po\u017eadavky na bezpe\u010dnostn\u00ed kontrolu h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/a><ul><li><a href=\"#overhead-crane-hook-load-test\">Zkou\u0161ka zat\u00ed\u017een\u00ed h\u00e1kem mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#overhead-crane-hook-scrap-criteria\">Krit\u00e9ria pro \u0161rot z h\u00e1k\u016f mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>H\u00e1k mostov\u00e9ho je\u0159\u00e1bu je jedn\u00edm z nejpou\u017e\u00edvan\u011bj\u0161\u00edch za\u0159\u00edzen\u00ed pro manipulaci s b\u0159emeny. M\u00e1 jednoduchou konstrukci, snadno se vyr\u00e1b\u00ed a lze jej pou\u017e\u00edt v mnoha zdvihac\u00edch aplikac\u00edch.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2400\" height=\"1600\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/hook-7.jpg\" alt=\"h\u00e1\u010dek\" class=\"wp-image-956\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/hook-7.jpg 2400w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/hook-7-1536x1024.jpg 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/hook-7-2048x1365.jpg 2048w\" sizes=\"(max-width: 2400px) 100vw, 2400px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-hook-types-and-structure\">Typy a konstrukce h\u00e1k\u016f mostov\u00fdch je\u0159\u00e1b\u016f<\/h2>\n\n\n\n<p>Podle tvaru h\u00e1\u010dku, <a href=\"https:\/\/www.hndfcrane.com\/cs\/crane-hooks\/\">h\u00e1ky mostov\u00e9ho je\u0159\u00e1bu<\/a> Lze je rozd\u011blit na jednoduch\u00e9 h\u00e1ky a dvojit\u00e9 h\u00e1ky. Jednoduch\u00fd h\u00e1k se sn\u00e1ze vyr\u00e1b\u00ed a pou\u017e\u00edv\u00e1, zat\u00edmco dvojit\u00fd h\u00e1k m\u00e1 p\u0159\u00edzniv\u011bj\u0161\u00ed silov\u00e9 podm\u00ednky. Jednoduch\u00e9 h\u00e1ky se pou\u017e\u00edvaj\u00ed pro men\u0161\u00ed nosnosti. Pokud je nosnost velk\u00e1, \u010dasto se pou\u017e\u00edvaj\u00ed dvojit\u00e9 h\u00e1ky, aby se zabr\u00e1nilo p\u0159\u00edli\u0161n\u00e9mu zat\u011b\u017eov\u00e1n\u00ed h\u00e1ku. U lic\u00edch je\u0159\u00e1b\u016f se laminovan\u00e9 jednoduch\u00e9 h\u00e1ky st\u00e1le pou\u017e\u00edvaj\u00ed i pro velk\u00e9 nosnosti, proto\u017ee mus\u00ed odpov\u00eddat lic\u00ed p\u00e1nvi.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1477\" height=\"500\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-hook-types.png\" alt=\"\" class=\"wp-image-16156\"\/><figcaption class=\"wp-element-caption\">(a) Kovan\u00fd jednoduch\u00fd h\u00e1k (b) Kovan\u00fd dvojit\u00fd h\u00e1k (c) Laminovan\u00fd jednoduch\u00fd h\u00e1k (d) Laminovan\u00fd dvojit\u00fd h\u00e1k<\/figcaption><\/figure>\n\n\n\n<p>Kovan\u00e9 h\u00e1ky by m\u011bly b\u00fdt ozna\u010deny v oblasti s n\u00edzk\u00fdm nam\u00e1h\u00e1n\u00edm trval\u00fdmi zna\u010dkami, kter\u00e9 se snadno neodstra\u0148uj\u00ed. Zna\u010dky by m\u011bly obsahovat jmenovitou nosnost, zna\u010dku v\u00fdrobce, inspek\u010dn\u00ed zna\u010dku, datum a s\u00e9riov\u00e9 \u010d\u00edslo. Pot\u00e9, co v\u00fdrobce kovan\u00fdch h\u00e1k\u016f provede kontrolu povrchu a zkou\u0161ku zat\u00ed\u017een\u00ed, by m\u011bl b\u00fdt poskytnut certifik\u00e1t shody.<\/p>\n\n\n\n<p>Laminovan\u00e9 h\u00e1ky se upev\u0148uj\u00ed n\u00fdtov\u00e1n\u00edm ka\u017ed\u00e9 vrstvy plech\u016f. Po n\u00fdtov\u00e1n\u00ed by m\u011bl b\u00fdt p\u0159edn\u00ed a horn\u00ed konec plech\u016f h\u00e1ku sva\u0159en. Aby se zabr\u00e1nilo opot\u0159eben\u00ed v oblasti \u010depu, m\u011bla by b\u00fdt na horn\u00ed stranu ohybu h\u00e1ku instalov\u00e1na kovov\u00e1 deska odoln\u00e1 proti opot\u0159eben\u00ed, kterou by m\u011blo b\u00fdt mo\u017en\u00e9 snadno vyjmout a nasadit. Laminovan\u00fd h\u00e1k se vyr\u00e1b\u00ed naskl\u00e1d\u00e1n\u00edm n\u011bkolika ocelov\u00fdch plech\u016f ve tvaru h\u00e1ku a jejich spojen\u00edm n\u00fdty.<\/p>\n\n\n\n<p>Aby se zabr\u00e1nilo n\u00e1hodn\u00e9mu uvoln\u011bn\u00ed, m\u011bl by b\u00fdt h\u00e1k vybaven bezpe\u010dnostn\u00edm za\u0159\u00edzen\u00edm, kter\u00e9 zabr\u00e1n\u00ed sklouznut\u00ed b\u0159emene.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"954\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-hook-safety-latch-device.png\" alt=\"\" class=\"wp-image-16157\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-hook-blocks\">H\u00e1kov\u00e9 kladkostroje pro mostov\u00e9 je\u0159\u00e1by<\/h2>\n\n\n\n<p>H\u00e1kov\u00fd kladkostroj mostov\u00e9ho je\u0159\u00e1bu je kombinac\u00ed h\u00e1ku a pohybliv\u00e9ho kladkostroje. H\u00e1kov\u00e9 kladkostroje zahrnuj\u00ed b\u011b\u017en\u00e9 h\u00e1kov\u00e9 kladkostroje a elektrick\u00e9 oto\u010dn\u00e9 h\u00e1kov\u00e9 kladkostroje. U typick\u00e9ho b\u011b\u017en\u00e9ho h\u00e1kov\u00e9ho kladkostroje lze h\u00e1k ru\u010dn\u011b tla\u010dit, aby se oto\u010dil. Pokud se h\u00e1k nem\u016f\u017ee ot\u00e1\u010det, lze p\u0159idat blokovac\u00ed za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-hook-block.png\" alt=\"\" class=\"wp-image-16158\"\/><\/figure>\n\n\n\n<p>B\u011b\u017en\u00e9 h\u00e1kov\u00e9 kladnice jsou k dispozici v dlouh\u00e9m a kr\u00e1tk\u00e9m proveden\u00ed.<\/p>\n\n\n\n<p>Dlouh\u00fd kladkostroj pou\u017e\u00edv\u00e1 b\u011b\u017en\u00fd kr\u00e1tk\u00fd h\u00e1k s kr\u00e1tk\u00fdm d\u0159\u00edkem. H\u00e1k je podep\u0159en p\u0159\u00ed\u010dn\u00fdm nosn\u00edkem h\u00e1ku, zat\u00edmco kladky jsou podep\u0159eny na samostatn\u00e9 h\u0159\u00eddeli kladky. Tato konstrukce m\u00e1 v\u011bt\u0161\u00ed celkovou v\u00fd\u0161ku a sni\u017euje efektivn\u00ed v\u00fd\u0161ku zdvihu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"537\" height=\"510\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/long-and-short-crane-hook-block-diagram.png\" alt=\"\" class=\"wp-image-16159\"\/><\/figure>\n\n\n\n<p>Kr\u00e1tk\u00e9 kladkostroje s h\u00e1kem se pou\u017e\u00edvaj\u00ed k pou\u017eit\u00ed dlouh\u00fdch h\u00e1k\u016f. V t\u00e9to konstrukci jsou kladky p\u0159\u00edmo namontov\u00e1ny na p\u0159\u00ed\u010dn\u00edku h\u00e1ku, co\u017e v\u00fdrazn\u011b sni\u017euje v\u00fd\u0161ku. Tuto konstrukci lze v\u0161ak pou\u017e\u00edt pouze pro dvojit\u00e9 lanov\u00e9 lanov\u00e1n\u00ed. Kr\u00e1tk\u00fd kladkostroj s h\u00e1kem je vhodn\u00fd pouze pro men\u0161\u00ed pom\u011bry lanov\u00e1n\u00ed. P\u0159i velk\u00e9m pom\u011bru lanov\u00e1n\u00ed se zv\u011bt\u0161uje po\u010det kladek, p\u0159\u00ed\u010dn\u00edk h\u00e1ku se st\u00e1v\u00e1 p\u0159\u00edli\u0161 dlouh\u00fdm, ohybov\u00fd moment se st\u00e1v\u00e1 p\u0159\u00edli\u0161 velk\u00fdm a zvy\u0161uje se i vlastn\u00ed hmotnost h\u00e1ku.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2496\" height=\"1664\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/short-type-overhead-crane-hook-block.png\" alt=\"\" class=\"wp-image-16164\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/short-type-overhead-crane-hook-block.png 2496w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/short-type-overhead-crane-hook-block-1536x1024.png 1536w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/short-type-overhead-crane-hook-block-2048x1365.png 2048w\" sizes=\"(max-width: 2496px) 100vw, 2496px\" \/><\/figure>\n\n\n\n<p>Elektrick\u00fd rota\u010dn\u00ed kladkostroj je obvykle poh\u00e1n\u011bn cykloidn\u00edm p\u0159evodov\u00fdm motorem s v\u011btrn\u00edkem a brzdnou funkc\u00ed, ozna\u010den\u00fdm jako polo\u017eka 1 na obr. 2-21. Lze pou\u017e\u00edt i trojstup\u0148ov\u00fd reduktor. Motor poh\u00e1n\u00ed ozuben\u00e1 kola 3 a 4 prost\u0159ednictv\u00edm t\u0159ec\u00ed spojky 2, \u010d\u00edm\u017e se h\u00e1k ot\u00e1\u010d\u00ed. Kdy\u017e h\u00e1k dos\u00e1hne stanoven\u00e9 polohy, va\u010dkov\u00fd sp\u00edna\u010d 5 se dotkne koncov\u00e9ho sp\u00edna\u010de 6, obvod se p\u0159eru\u0161\u00ed, brzdov\u00fd motor se zabrzd\u00ed a h\u00e1k se zastav\u00ed v nastaven\u00e9m \u00fahlu. Podle po\u017eadavk\u016f u\u017eivatele m\u016f\u017ee b\u00fdt dod\u00e1v\u00e1n i blokovac\u00ed mechanismus \u00fahlu.<\/p>\n\n\n\n<p>Rychlost ot\u00e1\u010den\u00ed elektrick\u00e9ho rota\u010dn\u00edho h\u00e1ku je obvykle asi 2 ot\/min a \u00fahel nato\u010den\u00ed nen\u00ed v\u011bt\u0161\u00ed ne\u017e 270 stup\u0148\u016f.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"634\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/electric-rotating-crane-hook-block-diagram.png\" alt=\"\" class=\"wp-image-16161\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"dangerous-sections-of-an-overhead-crane-hook\">Nebezpe\u010dn\u00e9 \u010d\u00e1sti h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>Nebezpe\u010dn\u00e9 \u010d\u00e1sti h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu jsou d\u016fle\u017eit\u00fdmi oblastmi pro ka\u017edodenn\u00ed kontrolu a bezpe\u010dnostn\u00ed kontrolu. Na z\u00e1klad\u011b anal\u00fdzy sil lze identifikovat n\u00e1sleduj\u00edc\u00ed nebezpe\u010dn\u00e9 \u010d\u00e1sti.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"900\" height=\"1216\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/crane-hook-dangerous-sections-diagram.png\" alt=\"\" class=\"wp-image-16162\"\/><\/figure>\n\n\n\n<p>P\u0159edpokl\u00e1dejme, \u017ee z\u00e1va\u017e\u00ed zav\u011b\u0161en\u00e9 na h\u00e1ku je Q.<\/p>\n\n\n\n<ul>\n<li>I \u2013 I: Zat\u00ed\u017een\u00ed p\u016fsob\u00ed na \u010d\u00e1st II h\u00e1ku p\u0159es ocelov\u00e9 lano a vytv\u00e1\u0159\u00ed tendenci ke smykov\u00e9mu nam\u00e1h\u00e1n\u00ed h\u00e1ku. Tato \u010d\u00e1st je vystavena smykov\u00e9mu nap\u011bt\u00ed.<\/li>\n\n\n\n<li>III \u2013 III: P\u016fsoben\u00edm hmotnosti Q m\u00e1 tato \u010d\u00e1st tendenci se od sebe odtrh\u00e1vat. Nach\u00e1z\u00ed se v dr\u00e1\u017ece pro odleh\u010den\u00ed z\u00e1vitu v\u00e1lcov\u00e9ho d\u0159\u00edku h\u00e1\u010dku. Jedn\u00e1 se o nejmen\u0161\u00ed \u010d\u00e1st h\u00e1\u010dku a existuje zde riziko poru\u0161en\u00ed tahem.<\/li>\n\n\n\n<li>II \u2013 II: Vnit\u0159n\u00ed strana je vystavena tahov\u00e9mu nap\u011bt\u00ed, zat\u00edmco vn\u011bj\u0161\u00ed strana je vystavena tlakov\u00e9mu nap\u011bt\u00ed. Podle v\u00fdpo\u010dtu je tahov\u00e9 nap\u011bt\u00ed na vnit\u0159n\u00ed stran\u011b v\u011bt\u0161\u00ed ne\u017e tlakov\u00e9 nap\u011bt\u00ed na vn\u011bj\u0161\u00ed stran\u011b. P\u016fsoben\u00edm zat\u00ed\u017een\u00ed Q je h\u00e1k vystaven tahov\u00e9mu a smykov\u00e9mu nap\u011bt\u00ed a m\u00e1 tak\u00e9 tendenci se narovn\u00e1vat. U h\u00e1ku zn\u00e1zorn\u011bn\u00e9ho na obr. 2-4 jsou \u010d\u00e1sti napravo od st\u0159edov\u00e9 osy vystaveny nejen tahu, ale tak\u00e9 momentu M.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-crane-hook-safety-inspection-requirements\">Po\u017eadavky na bezpe\u010dnostn\u00ed kontrolu h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>H\u00e1ky se \u0161iroce pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch typech zdvihac\u00edch stroj\u016f. N\u011bkter\u00e9 h\u00e1ky se vyr\u00e1b\u011bj\u00ed podle d\u0159\u00edve pou\u017e\u00edvan\u00fdch pr\u016fmyslov\u00fdch norem, zat\u00edmco jin\u00e9 se vyr\u00e1b\u011bj\u00ed podle normy GB10051.1-5, Zvedac\u00ed h\u00e1ky. B\u011bhem inspekce a zkou\u0161en\u00ed jsou kontroln\u00ed polo\u017eky a obsah obecn\u011b stejn\u00e9 pro r\u016fzn\u00e9 typy h\u00e1k\u016f, ale specifick\u00e9 po\u017eadavky se mohou m\u00edrn\u011b li\u0161it.<\/p>\n\n\n\n<p>H\u00e1k mostov\u00e9ho je\u0159\u00e1bu by m\u011bl b\u00fdt kontrolov\u00e1n jednou za \u0161est m\u011bs\u00edc\u016f a m\u011bl by b\u00fdt \u010di\u0161t\u011bn a maz\u00e1n, aby se zabr\u00e1nilo \u00fanavov\u00fdm trhlin\u00e1m.<\/p>\n\n\n\n<p>Obecn\u00e1 metoda kontroly spo\u010d\u00edv\u00e1 v prvn\u00edm vy\u010di\u0161t\u011bn\u00ed t\u011bla h\u00e1ku petrolejem. Pot\u00e9 se pomoc\u00ed 20n\u00e1sobn\u00e9 lupy zkontroluje, zda t\u011blo h\u00e1ku nevykazuje \u00fanavov\u00e9 trhliny, zejm\u00e9na v nebezpe\u010dn\u00fdch \u010d\u00e1stech. Dr\u00e1\u017eka pro odleh\u010den\u00ed z\u00e1vitu na d\u0159\u00edku h\u00e1ku je oblast\u00ed koncentrace nap\u011bt\u00ed a m\u011bla by b\u00fdt pe\u010dliv\u011b zkontrolov\u00e1na na p\u0159\u00edtomnost trhlin. U deskov\u00e9ho h\u00e1ku by se m\u011bly tak\u00e9 zkontrolovat pouzdra, \u010depy, mal\u00e9 otvory, zvedac\u00ed oka a dal\u0161\u00ed spojovac\u00ed prvky, zda nejsou uvoln\u011bn\u00e9 a opot\u0159ebovan\u00e9. U h\u00e1k\u016f pou\u017e\u00edvan\u00fdch na n\u011bkter\u00fdch velk\u00fdch je\u0159\u00e1bech nebo je\u0159\u00e1bech pro t\u011b\u017ek\u00e9 zat\u00ed\u017een\u00ed by se m\u011bly k proveden\u00ed vnit\u0159n\u00edch vad pou\u017e\u00edt tak\u00e9 nedestruktivn\u00ed zkou\u0161ky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"overhead-crane-hook-load-test\">Zkou\u0161ka zat\u00ed\u017een\u00ed h\u00e1kem mostov\u00e9ho je\u0159\u00e1bu<\/h3>\n\n\n\n<p>U nov\u00e9ho h\u00e1ku by se krom\u011b technick\u00e9ho certifik\u00e1tu od v\u00fdrobce m\u011bla prov\u00e9st z\u00e1t\u011b\u017eov\u00e1 zkou\u0161ka podle zna\u010dek na h\u00e1ku. H\u00e1k lze pou\u017e\u00edt a\u017e po potvrzen\u00ed jeho v\u00fdkonu. U h\u00e1ku, kter\u00fd se b\u011bhem provozu opot\u0159eboval, by se m\u011bla prov\u00e9st tak\u00e9 postupn\u00e1 z\u00e1t\u011b\u017eov\u00e1 zkou\u0161ka, aby se znovu stanovila p\u0159\u00edpustn\u00e1 jmenovit\u00e1 nosnost.<\/p>\n\n\n\n<p>Po zat\u00ed\u017een\u00ed kontrolovan\u00e9ho h\u00e1ku specifikovanou zku\u0161ebn\u00ed z\u00e1t\u011b\u017e\u00ed by m\u011blo b\u00fdt b\u0159emeno zvednuto a zav\u011b\u0161eno na 10 minut. Po odleh\u010den\u00ed by nem\u011bly b\u00fdt \u017e\u00e1dn\u00e9 vady ani deformace. Povrch h\u00e1ku by m\u011bl b\u00fdt pot\u00e9 zkontrolov\u00e1n 20n\u00e1sobnou lupou a nem\u011bl by m\u00edt \u017e\u00e1dn\u00e9 praskliny. M\u011bla by b\u00fdt zm\u011b\u0159ena velikost otvoru h\u00e1ku a zv\u011bt\u0161en\u00ed oproti p\u016fvodn\u00ed hodnot\u011b by nem\u011blo p\u0159ekro\u010dit 0,25%.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"overhead-crane-hook-scrap-criteria\">Krit\u00e9ria pro \u0161rot z h\u00e1k\u016f mostov\u00e9ho je\u0159\u00e1bu<\/h3>\n\n\n\n<p>H\u00e1\u010dek by m\u011bl b\u00fdt vy\u0159azen, pokud nastane n\u011bkter\u00e1 z n\u00e1sleduj\u00edc\u00edch podm\u00ednek:<\/p>\n\n\n\n<ul>\n<li>Na povrchu se objevuj\u00ed praskliny.<\/li>\n\n\n\n<li>Opot\u0159eben\u00ed v nebezpe\u010dn\u00e9 \u010d\u00e1sti dos\u00e1hne 10% p\u016fvodn\u00edho rozm\u011bru.<\/li>\n\n\n\n<li>Rozev\u0159en\u00ed h\u00e1ku se zv\u011bt\u0161uje o 15% ve srovn\u00e1n\u00ed s p\u016fvodn\u00edm rozm\u011brem.<\/li>\n\n\n\n<li>Torzn\u00ed deformace p\u0159esahuje 10 stup\u0148\u016f.<\/li>\n\n\n\n<li>K plastick\u00e9 deformaci doch\u00e1z\u00ed v nebezpe\u010dn\u00e9 \u010d\u00e1sti nebo v oblasti kr\u010dku h\u00e1ku.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Vysv\u011btlen\u00ed typ\u016f je\u0159\u00e1bov\u00fdch h\u00e1k\u016f, konstrukc\u00ed kladnic, nebezpe\u010dn\u00fdch \u00fasek\u016f, z\u00e1t\u011b\u017eov\u00fdch zkou\u0161ek a po\u017eadavk\u016f na bezpe\u010dnostn\u00ed inspekce.","protected":false},"featured_media":16171,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/16151"}],"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":13,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/16151\/revisions"}],"predecessor-version":[{"id":16173,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/16151\/revisions\/16173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media\/16171"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=16151"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=16151"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=16151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}