{"id":10107,"date":"2025-01-23T08:24:46","date_gmt":"2025-01-23T08:24:46","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=10107"},"modified":"2025-01-23T08:24:50","modified_gmt":"2025-01-23T08:24:50","slug":"overhead-crane-hoisting-mechanisms-failures-and-repair","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/cs\/posts\/overhead-crane-hoisting-mechanisms-failures-and-repair\/","title":{"rendered":"Poruchy a opravy zvedac\u00edch mechanism\u016f mostov\u00e9ho je\u0159\u00e1bu: B\u011b\u017en\u00e9 probl\u00e9my a \u0159e\u0161en\u00ed sou\u010d\u00e1st\u00ed"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#brake-failures-and-repair\">Poruchy brzd a opravy<\/a><\/li><li><a href=\"#reducer-failures-and-repair\">Poruchy reduktoru a opravy<\/a><\/li><li><a href=\"#wire-rope-pulley-system-failures-and-repair\">Poruchy a opravy syst\u00e9mu kladek ocelov\u00e9ho lana<\/a><\/li><li><a href=\"#forged-lifting-hook-failures-and-repair\">Poruchy a opravy kovan\u00e9ho zvedac\u00edho h\u00e1ku<\/a><\/li><li><a href=\"#laminated-lifting-hook-failures-and-repair\">Poruchy a opravy lamin\u00e1tov\u00e9ho zvedac\u00edho h\u00e1ku<\/a><\/li><li><a href=\"#wire-rope-failures-and-repair\">Poruchy a opravy ocelov\u00fdch lan<\/a><\/li><li><a href=\"#drum-failures-and-repair\">Poruchy a opravy bubnu<\/a><\/li><li><a href=\"#gear-failures-and-repair\">Poruchy a opravy ozuben\u00fdch kol<\/a><\/li><li><a href=\"#shaft-failures-and-repair\">Poruchy h\u0159\u00eddele a opravy<\/a><\/li><li><a href=\"#crane-wheel-failures-and-repair\">Poruchy a opravy je\u0159\u00e1bov\u00fdch kol<\/a><\/li><li><a href=\"#brake-parts-failures-and-repair\">Poruchy a opravy brzdov\u00fdch d\u00edl\u016f<\/a><\/li><li><a href=\"#coupling-failures-and-repair\">Poruchy spojky a opravy<\/a><\/li><li><a href=\"#rolling-bearing-failures-and-repair\">Poruchy a opravy valiv\u00fdch lo\u017eisek<\/a><\/li><li><a href=\"#sliding-bearing-failures-and-repair\">Poruchy a opravy kluzn\u00fdch lo\u017eisek<\/a><\/li><li><a href=\"#pdf-download\">PDF ke sta\u017een\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>Mostov\u00e9 je\u0159\u00e1by jsou nezbytn\u00e9 v pr\u016fmyslov\u00e9 v\u00fdrob\u011b a spolehlivost jejich zdvihac\u00edch mechanism\u016f je kl\u00ed\u010dem k bezpe\u010dnosti a \u00fa\u010dinnosti. Pochopen\u00ed poruch zvedac\u00edch mechanism\u016f mostov\u00fdch je\u0159\u00e1b\u016f a metod oprav pom\u00e1h\u00e1 prodlou\u017eit \u017eivotnost za\u0159\u00edzen\u00ed a zv\u00fd\u0161it produktivitu. Tento \u010dl\u00e1nek zkoum\u00e1 b\u011b\u017en\u00e9 poruchy sou\u010d\u00e1st\u00ed zdvihac\u00edho mechanismu, analyzuje jejich p\u0159\u00ed\u010diny a poskytuje praktick\u00e1 \u0159e\u0161en\u00ed oprav.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1404\" height=\"936\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/01\/Overhead-Crane-Hoisting-Mechanisms-Failures-and-Repair.png\" alt=\"\" class=\"wp-image-10766\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"brake-failures-and-repair\">Poruchy brzd a opravy<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"7\">Selh\u00e1n\u00ed zablokov\u00e1n\u00ed brzdov\u00e9ho kola (spadnut\u00ed n\u00e1kladu)<\/td><td>Pant p\u00e1ky je zaseknut\u00fd<\/td><td>Odstra\u0148te z\u00e1vadu zablokov\u00e1n\u00ed a proma\u017ete<\/td><\/tr><tr><td>Olej na brzdov\u00e9m kole a t\u0159ec\u00ed podlo\u017ece<\/td><td>O\u010dist\u011bte olejov\u00e9 ne\u010distoty<\/td><\/tr><tr><td>Nedostate\u010dn\u00e1 dojezdov\u00e1 vzd\u00e1lenost \u017eelezn\u00e9ho j\u00e1dra magnetu<\/td><td>Se\u0159i\u010fte brzdu<\/td><\/tr><tr><td>Brzdov\u00e9 kolo a t\u0159ec\u00ed podlo\u017eka maj\u00ed siln\u00e9 abrazivn\u00ed opot\u0159eben\u00ed<\/td><td>Vym\u011b\u0148te t\u0159ec\u00ed podlo\u017eku<\/td><\/tr><tr><td>Hlavn\u00ed pru\u017eina uvoln\u011bn\u00e1 nebo po\u0161kozen\u00e1<\/td><td>Vym\u011b\u0148te hlavn\u00ed pru\u017einu a matici<\/td><\/tr><tr><td>Pojistn\u00e1 matice a p\u00e1ka uvoln\u011bn\u00e9<\/td><td>Upevn\u011bte pojistnou matici<\/td><\/tr><tr><td>Ob\u011b\u017en\u00e9 kolo hydraulick\u00e9ho pomocn\u00e9ho motoru nefunguje<\/td><td>Zkontrolujte elektrickou \u010d\u00e1st trysky<\/td><\/tr><tr><td rowspan=\"9\">Brzda se neda\u0159\u00ed uvolnit<\/td><td>Magnetick\u00fd dr\u00e1t sho\u0159\u00ed<\/td><td>Nahradit<\/td><\/tr><tr><td>Odpojen\u00ed vodi\u010de od magnetick\u00e9ho vodi\u010de<\/td><td>P\u0159ipojte dr\u00e1t<\/td><\/tr><tr><td>Blok botky na brzd\u00edc\u00edm kole\u010dku<\/td><td>Vy\u010dist\u011bte petrolejem<\/td><\/tr><tr><td>Gemel se zasekl<\/td><td>Odstra\u0148te z\u00e1mek a nama\u017ete jej<\/td><\/tr><tr><td>S\u00edla hlavn\u00ed pru\u017einy je p\u0159\u00edli\u0161 velk\u00e1 nebo konfigurace je p\u0159\u00edli\u0161 t\u011b\u017ek\u00e1<\/td><td>Nastavte hlavn\u00ed pru\u017einu<\/td><\/tr><tr><td>Tla\u010dn\u00e1 ty\u010d je ohnuta, nem\u016f\u017ee pohybovat magnetick\u00fdm \u017eelezem (hydraulick\u00e1 tla\u010dn\u00e1 ty\u010d se zlom\u00ed)<\/td><td>Narovnejte mandril nebo vym\u011b\u0148te mandril<\/td><\/tr><tr><td>Nespr\u00e1vn\u00e1 aplikace oleje<\/td><td>Vym\u011b\u0148te olej podle provozn\u00edch podm\u00ednek<\/td><\/tr><tr><td>Ob\u011b\u017en\u00e9 kolo je zablokovan\u00e9<\/td><td>Nastavte tla\u010dnou ty\u010d a zkontrolujte elektrickou \u010d\u00e1st<\/td><\/tr><tr><td>85% ni\u017e\u0161\u00ed ne\u017e jmenovit\u00e9 zat\u00ed\u017een\u00ed, magnetick\u00e1 s\u00edla nesta\u010d\u00ed<\/td><td>Zjist\u011bte d\u016fvod sn\u00ed\u017een\u00ed nap\u011bt\u00ed, abyste probl\u00e9m odstranili<\/td><\/tr><tr><td rowspan=\"4\">Brzda se p\u0159eh\u0159\u00edv\u00e1, t\u0159ec\u00ed desti\u010dky vyd\u00e1vaj\u00ed z\u00e1pach sp\u00e1leniny a rychle se opot\u0159ebov\u00e1vaj\u00ed<\/td><td>Bota nem\u016f\u017ee \u00fapln\u011b uvolnit brzdn\u00e9 kole\u010dko, kdy\u017e se uvoln\u00ed, tak\u017ee zp\u016fsobuje t\u0159en\u00ed<\/td><td>Upravte v\u016fli<\/td><\/tr><tr><td>Asymetrick\u00e1 vzd\u00e1lenost od bot k brzd\u00edc\u00edmu kole\u010dku<\/td><td>Nastavte v\u016fli pro dv\u011b brzdy<\/td><\/tr><tr><td>Podpora po\u0161kozen\u00ed nebo ohnut\u00ed pru\u017einy<\/td><td>Vym\u011b\u0148te nebo opravte pru\u017einu<\/td><\/tr><tr><td>Drsn\u00fd povrch brzdov\u00e9ho kola<\/td><td>Nat\u00e1\u010den\u00ed povrchu brzdy dle po\u017eadavk\u016f<\/td><\/tr><tr><td>Brzdu lze snadno vych\u00fdlit z nastaven\u00e9 polohy a brzdn\u00fd moment nen\u00ed st\u00e1l\u00fd<\/td><td>Upev\u0148ovac\u00ed matice je uvoln\u011bn\u00e1. <br>Po\u0161kozen\u00ed z\u00e1vitu \u0161roubu.<\/td><td>Upevn\u011bte matici. <br>Vym\u011b\u0148te to.<\/td><\/tr><tr><td rowspan=\"3\">Magnetick\u00e9 p\u0159eh\u0159\u00e1t\u00ed nebo abnorm\u00e1ln\u00ed hluk<\/td><td>Hlavn\u00ed pru\u017eina je p\u0159elisovan\u00e1<\/td><td>Upravte ve spr\u00e1vn\u00e9m rozsahu<\/td><\/tr><tr><td>Tla\u010dn\u00e1 li\u0161ta je zablokov\u00e1na<\/td><td>Odstra\u0148te blok a prove\u010fte maz\u00e1n\u00ed<\/td><\/tr><tr><td>\u0160patn\u00e1 poloha \u017eelezn\u00e9ho j\u00e1dra a trnu<\/td><td>Vyrovn\u00e1n\u00ed l\u00edcovac\u00edch ploch<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.hndfcrane.com\/cs\/overhead-crane-brakes\/\">Brzda mostov\u00e9ho je\u0159\u00e1bu<\/a> Poruchy a opravy<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"reducer-failures-and-repair\">Poruchy reduktoru a opravy<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Jev periodick\u00e9ho chv\u011bn\u00ed ozuben\u00e9ho kola, zvl\u00e1\u0161t\u011b patrn\u00fd u hnan\u00e9ho ozuben\u00e9ho kola<\/td><td>Chyba vzd\u00e1lenosti sekc\u00ed, v\u016fle na stran\u011b p\u0159evodu mimo toleranci<\/td><td>Opravit, znovu nainstalovat<\/td><\/tr><tr><td>Siln\u00fd zvuk kovov\u00e9ho t\u0159en\u00ed, chv\u011bn\u00ed reduktoru, mu\u0161le.<\/td><td>P\u0159\u00edli\u0161 mal\u00e1 v\u016fle p\u0159evod\u016f, osy p\u0159evod\u016f nejsou rovnob\u011b\u017en\u00e9, p\u0159evod m\u00e1 ostr\u00e9 hrany<\/td><td>Upravte, znovu nainstalujte<\/td><\/tr><tr><td>B\u011bhem z\u00e1b\u011bru ozuben\u00fdch kol je sly\u0161et nerovnom\u011brn\u00fd zvuk klep\u00e1n\u00ed a sk\u0159\u00ed\u0148 vibruje<\/td><td>Povrch zub\u016f nen\u00ed ploch\u00fd, zuby s trhlinami, kontaktn\u00ed plocha ozuben\u00e9ho kola nen\u00ed zcela sev\u0159en\u00e1, ale v jednom \u00fahlu<\/td><td>Vym\u011b\u0148te ozuben\u00e9 kolo<\/td><\/tr><tr><td rowspan=\"4\">Vyt\u00e1p\u011bn\u00ed pl\u00e1\u0161t\u011b zejm\u00e9na m\u00edsta, kde je instalov\u00e1no lo\u017eisko<\/td><td>Po\u0161kozen\u00ed lo\u017eiska<\/td><td>Vym\u011b\u0148te lo\u017eisko<\/td><\/tr><tr><td>Krk lo\u017eiska je zaschl\u00fd<\/td><td>Vym\u011b\u0148te lo\u017eisko<\/td><\/tr><tr><td>Opot\u0159eben\u00ed zub\u016f ozuben\u00fdch kol<\/td><td>Vym\u011b\u0148te ozuben\u00e9 kolo<\/td><\/tr><tr><td>Nedostatek mazac\u00edho oleje<\/td><td>Vym\u011b\u0148te mazac\u00ed olej<\/td><\/tr><tr><td rowspan=\"4\">\u00danik oleje z d\u011blic\u00edch ploch<\/td><td>Selh\u00e1n\u00ed t\u011bsn\u011bn\u00ed<\/td><td>Vym\u011b\u0148te t\u011bsnic\u00ed d\u00edly<\/td><\/tr><tr><td>Deformace pl\u00e1\u0161t\u011b<\/td><td>Zkontrolujte rozd\u011blovac\u00ed plochy a p\u0159i siln\u00e9m po\u0161kozen\u00ed je vym\u011b\u0148te<\/td><\/tr><tr><td>Plochy d\u011blen\u00ed nejsou rovn\u00e9<\/td><td>Povrch d\u011blen\u00ed zarovn\u00e1n<\/td><\/tr><tr><td>Uvoln\u011bn\u00fd spojovac\u00ed \u0161roub<\/td><td>Vy\u010dist\u011bte vratn\u00fd skluz a ut\u00e1hn\u011bte matice<\/td><\/tr><tr><td rowspan=\"3\">Ot\u0159es reduktoru na z\u00e1kladn\u011b<\/td><td>Kotevn\u00ed \u0161roub je uvoln\u011bn\u00fd<\/td><td>Nastavte kotevn\u00ed \u0161roub<\/td><\/tr><tr><td>Osy h\u0159\u00eddele nejsou zarovnan\u00e9<\/td><td>Upravte diagon\u00e1ln\u00ed zarovn\u00e1n\u00ed<\/td><\/tr><tr><td>Tuhost z\u00e1kladny nesta\u010d\u00ed<\/td><td>Zes\u00edlit z\u00e1kladnu a zv\u00fd\u0161it tuhost<\/td><\/tr><tr><td>Oh\u0159ev reduktoru<\/td><td>P\u0159\u00edli\u0161 mnoho oleje<\/td><td>Upravte hladinu oleje<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy reduktoru mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wire-rope-pulley-system-failures-and-repair\">Poruchy a opravy syst\u00e9mu kladek ocelov\u00e9ho lana<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"5\">Ocelov\u00e9 lano se rychle opot\u0159ebov\u00e1v\u00e1 nebo se \u010dasto po\u0161kozuje<\/td><td>Pr\u016fm\u011br \u0159emenice a bubnu je p\u0159\u00edli\u0161 mal\u00fd<\/td><td>Vym\u011b\u0148te ocelov\u00e9 lano za lano s lep\u0161\u00ed pru\u017enost\u00ed a zv\u011bt\u0161ete pr\u016fm\u011br kladky a bubnu<\/td><\/tr><tr><td>Rozm\u011bry ocelov\u00e9ho lana neodpov\u00eddaj\u00ed dr\u00e1\u017ece bubnu; je p\u0159\u00edli\u0161 mal\u00fd.<\/td><td>Vym\u011b\u0148te ocelov\u00e9 lano za lano se stejnou nosnost\u00ed, ale men\u0161\u00edm pr\u016fm\u011brem, nebo vym\u011b\u0148te kladku a buben<\/td><\/tr><tr><td>\u0160pinav\u00fd a bez oleje<\/td><td>Vy\u010dist\u011bte a nama\u017ete<\/td><\/tr><tr><td>Nespr\u00e1vn\u00e1 instalace zvedac\u00ed p\u0159ep\u00e1\u017eky, kter\u00e1 zp\u016fsobuje \u010dast\u00e9 od\u00edr\u00e1n\u00ed lana<\/td><td>Upravit<\/td><\/tr><tr><td>Dr\u00e1\u017eka \u0159emenice a hrana kola nejsou hladk\u00e9 a maj\u00ed vady<\/td><td>Vadn\u00e1 m\u00edsta brouste ru\u010dn\u011b<\/td><\/tr><tr><td>N\u011bkter\u00e9 kladky se nemohou ot\u00e1\u010det<\/td><td>Lo\u017eisko postr\u00e1d\u00e1 olej, ne\u010distoty a korozi v lo\u017eisku<\/td><td>Namazat, vy\u010distit<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy syst\u00e9mu lanov\u00fdch kladek mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"forged-lifting-hook-failures-and-repair\">Poruchy a opravy kovan\u00e9ho zvedac\u00edho h\u00e1ku<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>\u00danavov\u00e9 praskliny na povrchu h\u00e1\u010dku<\/td><td>P\u0159et\u00ed\u017een\u00ed, dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed nebo vady materi\u00e1lu<\/td><td>Vym\u011b\u0148te jej, pokud najdete n\u011bjak\u00e9 praskliny<\/td><\/tr><tr><td>Opot\u0159eben\u00ed otev\u00edrac\u00edch a nebezpe\u010dn\u00fdch \u010d\u00e1st\u00ed<\/td><td>Sni\u017ete tuhost, nebo je snadn\u00e9 zp\u016fsobit zlomen\u00ed h\u00e1ku a nehodu<\/td><td>P\u0159i od\u011bru nad 5% nebezpe\u010dn\u00e9 \u010d\u00e1sti h\u00e1k vym\u011b\u0148te<\/td><\/tr><tr><td>V otev\u0159en\u00fdch oblastech a bodech ohybu doch\u00e1z\u00ed k trval\u00e9 deformaci<\/td><td>Zp\u016fsobeno dlouhodob\u00fdm p\u0159et\u00ed\u017een\u00edm a \u00fanavou<\/td><td>Ihned vym\u011b\u0148te<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy kovan\u00e9ho zvedac\u00edho h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"laminated-lifting-hook-failures-and-repair\">Poruchy a opravy lamin\u00e1tov\u00e9ho zvedac\u00edho h\u00e1ku<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Zkreslen\u00ed h\u00e1\u010dku<\/td><td>Dlouh\u00e9 p\u0159et\u00ed\u017een\u00ed a je snadn\u00e9 zp\u016fsobit zlomen\u00ed h\u00e1ku<\/td><td>Nahradit<\/td><\/tr><tr><td>Povrch m\u00e1 \u00fanavovou trhlinu<\/td><td>P\u0159es\u010dasy, p\u0159et\u00ed\u017een\u00ed a po\u0161kozen\u00ed h\u00e1ku<\/td><td>Nahradit<\/td><\/tr><tr><td>Ot\u011br \u010depov\u00e9 h\u0159\u00eddele je v\u011bt\u0161\u00ed ne\u017e 3%-5% jmenovit\u00e9ho pr\u016fm\u011bru<\/td><td>H\u00e1k spadne<\/td><td>Nahradit<\/td><\/tr><tr><td>Oko m\u00e1 praskliny nebo ot\u0159epy<\/td><td>Rozbit\u00ed oka<\/td><td>Nahradit<\/td><\/tr><tr><td>Ot\u011br v\u00fdstelky oka dosahuje 5% p\u016fvodn\u00ed tlou\u0161\u0165ky<\/td><td>\u0160patn\u00fd nucen\u00fd stav<\/td><td>Nahradit<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy lamin\u00e1tov\u00e9ho zvedac\u00edho h\u00e1ku mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"wire-rope-failures-and-repair\">Poruchy a opravy ocelov\u00fdch lan<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Zlomen\u00ed, zauzlen\u00ed, od\u011br<\/td><td>P\u0159\u00ed\u010dina p\u0159etr\u017een\u00ed lana<\/td><td>P\u0159esta\u0148te jej pou\u017e\u00edvat, kdy\u017e se ocelov\u00e9 lano p\u0159etrhne a zauzl\u00ed, vym\u011b\u0148te podle normy, kdy\u017e se nit p\u0159etrhne, a vym\u011b\u0148te ocelov\u00e9 lano podle normy, kdy\u017e dojde k od\u011bru<\/td><\/tr><tr><td>Nerovnom\u011brn\u00e9 opot\u0159eben\u00ed dr\u00e1\u017eek pro lano kladky<\/td><td>Asymetrie materi\u00e1lu, \u0161patn\u00e1 instalace a \u0161patn\u00e9 spojen\u00ed lana a kola<\/td><td>Vym\u011b\u0148te jej, kdy\u017e ot\u011br st\u011bny dr\u00e1\u017eky dos\u00e1hne 1\/5 p\u0159edchoz\u00ed tlou\u0161\u0165ky a m\u011brka dos\u00e1hne 1\/2 pr\u016fm\u011bru ocelov\u00e9ho lana<\/td><\/tr><tr><td>\u0158emenice se nem\u016f\u017ee ot\u00e1\u010det<\/td><td>Po\u0161kozen\u00ed h\u0159\u00eddele nebo po\u0161kozen\u00ed lo\u017eiska<\/td><td>Vym\u011b\u0148te h\u0159\u00eddel a lo\u017eisko a pot\u00e9 je proma\u017ete a udr\u017eujte<\/td><\/tr><tr><td>\u0158emenice je naklon\u011bn\u00e1 nebo uvoln\u011bn\u00e1<\/td><td>Dr\u017e\u00e1k h\u0159\u00eddele uvoln\u011bn\u00fd nebo ocelov\u00e9 lano vysko\u010dit z dr\u00e1\u017eky<\/td><td>Upevn\u011bte dr\u017e\u00e1k a opravte poskakov\u00e1n\u00ed ocelov\u00e9ho lana<\/td><\/tr><tr><td>Prasklina \u0159emenice nebo zlomen\u00ed okolku kola<\/td><td>Po\u0161kozen\u00ed \u0159emenice<\/td><td>Nahradit<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy ocelov\u00fdch lan mostov\u00fdch je\u0159\u00e1b\u016f<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"drum-failures-and-repair\">Poruchy a opravy bubnu<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Buben m\u00e1 \u00fanavovou trhlinu<\/td><td>Rozbit\u00ed bubnu<\/td><td>Vym\u011b\u0148te buben<\/td><\/tr><tr><td>Od\u011br h\u0159\u00eddele bubnu a kl\u00ed\u010de<\/td><td>Zlomen\u00ed h\u0159\u00eddele a zp\u016fsoben\u00ed p\u00e1du n\u00e1kladu<\/td><td>P\u0159esta\u0148te pou\u017e\u00edvat a okam\u017eit\u011b zkontrolujte kl\u00edn h\u0159\u00eddele<\/td><\/tr><tr><td>Od\u011br dr\u00e1\u017eek a p\u0159eskakov\u00e1n\u00ed lana. Ot\u011br dosahuje 15%-20% p\u016fvodn\u00ed tlou\u0161\u0165ky<\/td><td>Tuhost bubnu se st\u00e1v\u00e1 slab\u0161\u00ed a snadno se zlom\u00ed. A dr\u00e1t\u011bn\u00e9 lano je zkroucen\u00e9<\/td><td>Vym\u011b\u0148te buben<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.hndfcrane.com\/cs\/crane-rope-drum\/\">Buben mostov\u00e9ho je\u0159\u00e1bu<\/a> Poruchy a opravy<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"gear-failures-and-repair\">Poruchy a opravy ozuben\u00fdch kol<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Zuby ozuben\u00fdch kol se zlom\u00ed<\/td><td>Abnorm\u00e1ln\u00ed hluk b\u011bhem provozu, pokud se bude nad\u00e1le pou\u017e\u00edvat, po\u0161kod\u00ed p\u0159evodov\u00fd mechanismus<\/td><td>Vym\u011b\u0148te nov\u00e9 ozuben\u00e9 kolo<\/td><\/tr><tr><td>Ot\u011br ozuben\u00ed dosahuje 15%-20% p\u016fvodn\u00ed tlou\u0161\u0165ky zub\u016f<\/td><td>P\u0159i pr\u00e1ci doch\u00e1zelo k n\u00e1raz\u016fm a vibrac\u00edm a n\u00e1sledn\u011b k po\u0161kozen\u00ed p\u0159evodov\u00e9ho mechanismu<\/td><td>Vym\u011b\u0148te nov\u00e9 ozuben\u00e9 kolo<\/td><\/tr><tr><td>Prasklina ozuben\u00e9ho kola, dr\u00e1\u017eka pro kl\u00ed\u010d ozuben\u00e9ho kola po\u0161kozen\u00e1 odvalov\u00e1n\u00edm kl\u00ed\u010de<\/td><td>Vibrace a hluk zp\u016fsoben\u00e9 p\u0159es\u010dasov\u00fdm pou\u017e\u00edv\u00e1n\u00edm a nespr\u00e1vnou instalac\u00ed, kter\u00e9 zp\u016fsobuj\u00ed pokles n\u00e1kladu<\/td><td>U zvedac\u00edho mechanismu je vym\u011b\u0148te, u pojezdov\u00e9ho mechanismu opravte nebo vym\u011b\u0148te kl\u00ed\u010d<\/td><\/tr><tr><td>Plocha odlupov\u00e1n\u00ed povrchu zubu dosahuje 301 TP1T z celkov\u00e9 pracovn\u00ed plochy a hloubka odlupov\u00e1n\u00ed dosahuje 101 TP1T tlou\u0161\u0165ky zubu, abraze nauhli\u010den\u00e9 vrstvy dosahuje 801 TP1T tlou\u0161\u0165ky zubu<\/td><td>Vyu\u017eit\u00ed p\u0159es\u010das<\/td><td>V\u00fdm\u011bna: U reduktor\u016f s obvodovou rychlost\u00ed &gt; 8 m\/s by m\u011bla b\u00fdt vysokorychlostn\u00ed ozuben\u00e1 kola p\u0159i opot\u0159eben\u00ed vym\u011bn\u011bna v p\u00e1rech<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy p\u0159evod\u016f mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"shaft-failures-and-repair\">Poruchy h\u0159\u00eddele a opravy<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Crack<\/td><td>\u0160patn\u00e1 kvalita materi\u00e1lu a nespr\u00e1vn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed vedou k po\u0161kozen\u00ed h\u0159\u00eddele<\/td><td>Nahradit<\/td><\/tr><tr><td>Ohyb h\u0159\u00eddele p\u0159esahuje 0,5 mm\/m<\/td><td>Zp\u016fsobit po\u0161kozen\u00ed hrdla h\u0159\u00eddele a ovlivnit p\u0159evod a zp\u016fsobit vibrace<\/td><td>Zm\u011b\u0148te nebo opravte<\/td><\/tr><tr><td>Po\u0161kozen\u00ed kl\u00ed\u010dov\u00e9 dr\u00e1\u017eky<\/td><td>Nelze p\u0159en\u00e9st kroucen\u00ed<\/td><td>U zvedac\u00edho mechanismu je vym\u011b\u0148te, u pojezdov\u00e9ho mechanismu je opravte<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy h\u0159\u00eddele mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"crane-wheel-failures-and-repair\">Poruchy a opravy je\u0159\u00e1bov\u00fdch kol<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>B\u011bhoun kola a okolek kola maj\u00ed \u00fanavovou trhlinu<\/td><td>Po\u0161kozen\u00ed kola<\/td><td>Nahradit<\/td><\/tr><tr><td>Nerovnom\u011brn\u00fd od\u011br b\u011bhounu hnac\u00edho kola<\/td><td>Vede k ohryzu kolejnice a naklon\u011bn\u00ed je\u0159\u00e1bu<\/td><td>Vym\u011b\u0148te ve dvojic\u00edch<\/td><\/tr><tr><td>Ot\u011br b\u011bhounu dosahuje 15% tlou\u0161\u0165ky okolku kola<\/td><td>Vibrace p\u0159i j\u00edzd\u011b, po\u0161kozen\u00ed kola<\/td><td>Nahradit<\/td><\/tr><tr><td>Od\u011br okolku kola dosahuje 50% p\u016fvodn\u00ed tlou\u0161\u0165ky<\/td><td>V d\u016fsledku naklon\u011bn\u00ed je\u0159\u00e1bu a ohryzu kolejnice se zvy\u0161uje riziko vykolejen\u00ed<\/td><td>Nahradit<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy kol mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"brake-parts-failures-and-repair\">Poruchy a opravy brzdov\u00fdch d\u00edl\u016f<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>\u00danavov\u00e9 prasknut\u00ed na p\u00e1ce<\/td><td>Brzda nefunguje<\/td><td>Nahradit<\/td><\/tr><tr><td>\u00danava prasknout na ja\u0159e<\/td><td>Brzda nefunguje<\/td><td>Nahradit<\/td><\/tr><tr><td>Ot\u011br vedlej\u0161\u00edho h\u0159\u00eddele a trnu dosahuje 3%-5% jmenovit\u00e9ho pr\u016fm\u011bru<\/td><td>Neda\u0159\u00ed se brzdit<\/td><td>Nahradit<\/td><\/tr><tr><td>Ot\u011br brzdov\u00e9ho kola dosahuje 40%\uff5e50% p\u016fvodn\u00ed tlou\u0161\u0165ky okolku kola<\/td><td>Spadne b\u0159emeno nebo se posune je\u0159\u00e1b<\/td><td>Nahradit<\/td><\/tr><tr><td>Opot\u0159eben\u00ed t\u0159ec\u00ed podlo\u017eky brzdov\u00e9 \u010delisti 2 mm nebo do 50% p\u016fvodn\u00ed tlou\u0161\u0165ky<\/td><td>\u0160patn\u00e1 p\u0159est\u00e1vka<\/td><td>Vym\u011b\u0148te t\u0159ec\u00ed podlo\u017eku<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy d\u00edl\u016f brzdy mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"coupling-failures-and-repair\">Poruchy spojky a opravy<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td>Prasklina na spojce<\/td><td>Po\u0161kozen\u00ed spojky<\/td><td>Nahradit<\/td><\/tr><tr><td>Uvoln\u011bn\u00e9 spojovac\u00ed \u0161rouby<\/td><td>N\u00e1razy a vibrace b\u011bhem brzd\u011bn\u00ed\/rozjezdu zp\u016fsob\u00ed zp\u011btn\u00fd pohyb \u0161roubu a p\u00e1d b\u0159emene<\/td><td>Uta\u017een\u00e9<\/td><\/tr><tr><td>Zuby ozuben\u00e9ho kola spojky jsou opot\u0159eben\u00e9 nebo zlomen\u00e9<\/td><td>Nedostatek maz\u00e1n\u00ed, velk\u00e1 pracovn\u00ed z\u00e1t\u011b\u017e, opa\u010dn\u00fd start povede k po\u0161kozen\u00ed spojky<\/td><td>U zvedac\u00edho mechanismu, kdy ot\u011br zub\u016f ozuben\u00ed dos\u00e1hne 15% p\u016fvodn\u00ed tlou\u0161\u0165ky, jej vym\u011b\u0148te a u pojezdov\u00e9ho mechanismu, kdy\u017e ot\u011br ozuben\u00ed ozuben\u00ed dos\u00e1hne 30% p\u016fvodn\u00ed tlou\u0161\u0165ky, vym\u011b\u0148te jej<\/td><\/tr><tr><td>Lisov\u00e1n\u00ed nebo deformace kl\u00ed\u010dov\u00e9 dr\u00e1\u017eky<\/td><td>Nelze p\u0159en\u00e9st moment torzn\u00edho kl\u00ed\u010de vypadne<\/td><td>U zvedac\u00edho mechanismu je vym\u011b\u0148te, u jin\u00fdch mechanism\u016f je opravte<\/td><\/tr><tr><td>Od\u011br h\u0159\u00eddele, \u010depu a pry\u017eov\u00e9ho krou\u017eku atd<\/td><td>P\u0159i startov\u00e1n\u00ed a brzd\u011bn\u00ed doch\u00e1z\u00ed k siln\u00fdm n\u00e1raz\u016fm a vibrac\u00edm<\/td><td>Vym\u011b\u0148te opot\u0159ebovan\u00e9 d\u00edly<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy spojky mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rolling-bearing-failures-and-repair\">Poruchy a opravy valiv\u00fdch lo\u017eisek<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"2\">Teplota je p\u0159\u00edli\u0161 vysok\u00e1<\/td><td>Ne\u010distoty z mazac\u00edho oleje<\/td><td>Vy\u010dist\u011bte ne\u010distoty, vym\u011b\u0148te lo\u017eisko<\/td><\/tr><tr><td>Naprost\u00fd nedostatek oleje<\/td><td>Podle pot\u0159eby p\u0159idejte mazac\u00ed olej<\/td><\/tr><tr><td rowspan=\"2\">Abnorm\u00e1ln\u00ed hluk<\/td><td>P\u0159\u00edli\u0161 mnoho oleje<\/td><td>Zkontrolujte mno\u017estv\u00ed maziva<\/td><\/tr><tr><td>\u0160pinav\u00e9 lo\u017eisko<\/td><td>\u010cist\u011bte \u0161pinav\u00e9<\/td><\/tr><tr><td>Hluk p\u0159i brou\u0161en\u00ed kovu<\/td><td>Nedostatek oleje<\/td><td>P\u0159idejte olej<\/td><\/tr><tr><td>N\u00e1razov\u00fd nebo n\u00e1razov\u00fd zvuk<\/td><td>Po\u0161kozen\u00ed podp\u011bry spojky, valiv\u00e9 t\u011bleso<\/td><td>Vym\u011b\u0148te lo\u017eisko<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy valiv\u00fdch lo\u017eisek mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"sliding-bearing-failures-and-repair\">Poruchy a opravy kluzn\u00fdch lo\u017eisek<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Selh\u00e1n\u00ed<\/th><th>P\u0159\u00ed\u010diny a v\u00fdsledek<\/th><th>Opravit<\/th><\/tr><\/thead><tbody><tr><td rowspan=\"4\">P\u0159eh\u0159\u00edv\u00e1n\u00ed<\/td><td>Naklo\u0148te lo\u017eisko a p\u0159itla\u010dte<\/td><td>Odstra\u0148te nesouosost a zajist\u011bte spr\u00e1vn\u00e9 upevn\u011bn\u00ed<\/td><\/tr><tr><td>Nespr\u00e1vn\u00e9 povolen\u00ed<\/td><td>Upravte v\u016fli<\/td><\/tr><tr><td>Nedostatek maz\u00e1n\u00ed<\/td><td>P\u0159idejte maz\u00e1n\u00ed<\/td><\/tr><tr><td>Kvalita maziva je podpr\u016fm\u011brn\u00e1<\/td><td>Vym\u011b\u0148te za kvalifikovan\u00e9 mazivo<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Poruchy a opravy kluzn\u00fdch lo\u017eisek mostov\u00e9ho je\u0159\u00e1bu<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"pdf-download\">PDF ke sta\u017een\u00ed<\/h2>\n\n\n\n<div class=\"wp-block-file postspdf\"><a id=\"wp-block-file--media-46db2942-083c-4289-91ef-ed35dbbc048d\" href=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/01\/Overhead-Crane-Hoisting-Mechanism-Failure-and-Repair.pdf\">Selh\u00e1n\u00ed a opravy zvedac\u00edho mechanismu mostov\u00e9ho je\u0159\u00e1bu<\/a><a href=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/01\/Overhead-Crane-Hoisting-Mechanism-Failure-and-Repair.pdf\" class=\"wp-block-file__button wp-element-button\" download aria-describedby=\"wp-block-file--media-46db2942-083c-4289-91ef-ed35dbbc048d\">St\u00e1hnout PDF<\/a><\/div>","protected":false},"excerpt":{"rendered":"Mostov\u00e9 je\u0159\u00e1by jsou v pr\u016fmyslov\u00e9 v\u00fdrob\u011b nezbytn\u00e9 a spolehlivost jejich zdvihac\u00edch mechanism\u016f je kl\u00ed\u010dem k bezpe\u010dnosti a efektivit\u011b. Pochopen\u00ed poruch zdvihac\u00edch mechanism\u016f mostov\u00fdch je\u0159\u00e1b\u016f a metod oprav pom\u00e1h\u00e1 prodlou\u017eit \u017eivotnost za\u0159\u00edzen\u00ed a zv\u00fd\u0161it produktivitu. Tento \u010dl\u00e1nek zkoum\u00e1 b\u011b\u017en\u00e9 poruchy sou\u010d\u00e1st\u00ed zdvihac\u00edch mechanism\u016f, analyzuje jejich p\u0159\u00ed\u010diny a nab\u00edz\u00ed praktick\u00e1 \u0159e\u0161en\u00ed oprav. Poruchy brzd [\u2026]","protected":false},"featured_media":10766,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[247,351,248],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10107"}],"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":10,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10107\/revisions"}],"predecessor-version":[{"id":10791,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10107\/revisions\/10791"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media\/10766"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=10107"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=10107"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=10107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}