{"id":10961,"date":"2025-02-20T01:55:37","date_gmt":"2025-02-20T01:55:37","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=10961"},"modified":"2025-05-16T07:47:06","modified_gmt":"2025-05-16T07:47:06","slug":"overhead-crane-brake-wheels-failure","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/cs\/posts\/overhead-crane-brake-wheels-failure\/","title":{"rendered":"Selh\u00e1n\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu: Vady na kruhov\u00e9m povrchu P\u0159\u00ed\u010diny a l\u00e9\u010dba"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#overhead-cranes-brake-wheels-main-defects-and-analysis\">Mostov\u00e9 je\u0159\u00e1by brzd\u00ed kola hlavn\u00ed vady a anal\u00fdza<\/a><\/li><li><a href=\"#discovery-of-defects-in-overhead-crane-brake-wheels\">Zji\u0161t\u011bn\u00ed z\u00e1vad brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#causes-of-overhead-crane-brake-wheels-defects\">P\u0159\u00ed\u010diny defekt\u016f brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/a><\/li><li><a href=\"#treatment-measures\">L\u00e9\u010debn\u00e1 opat\u0159en\u00ed<\/a><\/li><li><a href=\"#summary\">Shrnut\u00ed<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1334\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/Overhead-Crane-Brake-Wheels-Failure.png\" alt=\"Selh\u00e1n\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu\" class=\"wp-image-10962\" srcset=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/Overhead-Crane-Brake-Wheels-Failure.png 2000w, https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/Overhead-Crane-Brake-Wheels-Failure-1536x1025.png 1536w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/figure>\n\n\n\n<p>Jako kl\u00ed\u010dov\u00e9 za\u0159\u00edzen\u00ed v pr\u016fmyslov\u00e9 v\u00fdrob\u011b m\u00e1 bezpe\u010dnost a spolehlivost mostov\u00fdch je\u0159\u00e1b\u016f p\u0159\u00edm\u00fd vliv na efektivitu v\u00fdroby a bezpe\u010dnost provozu. <\/p>\n\n\n\n<p>Brzdov\u00e9 kolo mostov\u00e9ho je\u0159\u00e1bu je d\u016fle\u017eitou sou\u010d\u00e1st\u00ed mostov\u00e9ho je\u0159\u00e1bu. P\u0159i procesu brzd\u011bn\u00ed podl\u00e9h\u00e1 vysok\u00e9mu t\u0159en\u00ed a tlaku, tak\u017ee je n\u00e1chyln\u00fd k r\u016fzn\u00fdm z\u00e1vad\u00e1m, kter\u00e9 ovliv\u0148uj\u00ed b\u011b\u017en\u00fd provoz a \u017eivotnost je\u0159\u00e1bu. <\/p>\n\n\n\n<p>S roz\u0161\u00ed\u0159enou aplikac\u00ed mostov\u00fdch je\u0159\u00e1b\u016f v r\u016fzn\u00fdch drsn\u00fdch prost\u0159ed\u00edch se postupn\u011b zvy\u0161ovala frekvence poruch brzdov\u00fdch kol, zejm\u00e9na vznik kruhov\u00fdch defekt\u016f, co\u017e p\u0159ineslo v\u00e1\u017en\u00e9 v\u00fdzvy pro bezpe\u010dn\u00fd provoz za\u0159\u00edzen\u00ed. V\u011bt\u0161ina st\u00e1vaj\u00edc\u00edho v\u00fdzkumu se v\u0161ak zam\u011b\u0159uje na b\u011b\u017en\u00e9 z\u00e1vady jako kl\u00ed\u010dov\u00e9 za\u0159\u00edzen\u00ed v pr\u016fmyslov\u00e9 v\u00fdrob\u011b, bezpe\u010dnost a spolehlivost mostov\u00fdch je\u0159\u00e1b\u016f p\u0159\u00edmo ovliv\u0148uje efektivitu v\u00fdroby a bezpe\u010dnost provozu. <\/p>\n\n\n\n<p>Brzdov\u00e9 kolo mostov\u00e9ho je\u0159\u00e1bu je d\u016fle\u017eitou sou\u010d\u00e1st\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu, jako jsou povrchov\u00e9 trhliny a opot\u0159eben\u00ed, zat\u00edmco o kruhov\u00fdch defektech na povrchu brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu a jejich p\u0159\u00ed\u010din\u00e1ch bylo provedeno relativn\u011b m\u00e1lo v\u00fdzkumu. Tento \u010dl\u00e1nek analyzuje kruhov\u00e9 defekty brzdov\u00fdch kol mostov\u00fdch je\u0159\u00e1b\u016f, prozkoum\u00e1 konkr\u00e9tn\u00ed p\u0159\u00ed\u010diny a navrhne \u00fa\u010dinn\u00e1 l\u00e9\u010debn\u00e1 opat\u0159en\u00ed a strategie prevence. <\/p>\n\n\n\n<p>Prost\u0159ednictv\u00edm obs\u00e1hl\u00e9 diskuse o procesu odl\u00e9v\u00e1n\u00ed, procesu tepeln\u00e9ho zpracov\u00e1n\u00ed a provozn\u00edm prost\u0159ed\u00ed poskytuje praktick\u00fd n\u00e1vod na spolehlivost brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overhead-cranes-brake-wheels-main-defects-and-analysis\">Mostov\u00e9 je\u0159\u00e1by brzd\u00ed kola hlavn\u00ed vady a anal\u00fdza<\/h2>\n\n\n\n<p><strong>Vliv faktor\u016f prost\u0159ed\u00ed na mostov\u00e9 je\u0159\u00e1by<\/strong><\/p>\n\n\n\n<p>Za prv\u00e9, mostov\u00e9 je\u0159\u00e1by obvykle pracuj\u00ed v prost\u0159ed\u00ed s v\u011bt\u0161\u00edm mno\u017estv\u00edm prachu a kovov\u00fdch ne\u010distot. Ne\u010distoty se mohou snadno dostat do vnit\u0159ku strojn\u00edho za\u0159\u00edzen\u00ed, \u010d\u00edm\u017e se zvy\u0161uje opot\u0159eben\u00ed d\u00edl\u016f. Z dlouhodob\u00e9ho hlediska se zv\u00fd\u0161\u00ed poruchovost, sn\u00ed\u017e\u00ed se bezpe\u010dnost pou\u017e\u00edv\u00e1n\u00ed a v\u00fdrazn\u011b se zkr\u00e1t\u00ed \u017eivotnost.<\/p>\n\n\n\n<p>Za druh\u00e9, vliv velikosti a charakteru pracovn\u00edho zat\u00ed\u017een\u00ed je\u0159\u00e1bu na je\u0159\u00e1b v norm\u00e1ln\u00edm provozu, kdy je zat\u00ed\u017een\u00ed d\u00edl\u016f v\u011bt\u0161\u00ed ne\u017e pr\u016fm\u011brn\u00e9 projektovan\u00e9 zat\u00ed\u017een\u00ed, zes\u00edl\u00ed opot\u0159eben\u00ed brzdov\u00fdch desti\u010dek a <a href=\"https:\/\/www.hndfcrane.com\/cs\/overhead-crane-brake-wheels-protect-work-safety\/\">brzdov\u00e1 kola mostov\u00e9ho je\u0159\u00e1bu<\/a>. Dlouhodob\u00fd provoz p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed ovlivn\u00ed \u017eivotnost je\u0159\u00e1bu. Praxe uk\u00e1zala, \u017ee stabiln\u00ed z\u00e1t\u011b\u017ee maj\u00ed men\u0161\u00ed opot\u0159eben\u00ed, m\u00e9n\u011b poruch a del\u0161\u00ed \u017eivotnost.<\/p>\n\n\n\n<p><strong>Vady brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/strong><\/p>\n\n\n\n<p>Brzdov\u00e1 kola mostov\u00e9ho je\u0159\u00e1bu se skl\u00e1daj\u00ed z v\u00edce odlitk\u016f. Vady, ke kter\u00fdm doch\u00e1z\u00ed v procesu odl\u00e9v\u00e1n\u00ed, se nevyhnuteln\u011b projevuj\u00ed na brzdov\u00e9m kole, co\u017e se projevuje zejm\u00e9na v n\u00e1sleduj\u00edc\u00edch aspektech:<\/p>\n\n\n\n<ul>\n<li>Projevuje se na vn\u011bj\u0161\u00ed stran\u011b v\u00fdkovku, jako jsou drsn\u00e9 vn\u011bj\u0161\u00ed plochy, d\u016flky, r\u00fdhy, nevypln\u011bnost, z\u00e1hyby, praskliny atd.<\/li>\n\n\n\n<li>N\u011bkter\u00e9 se objev\u00ed vnit\u0159n\u011b, jako je uvoln\u011bnost, praskliny, hrub\u00e9 krystaly, vlasov\u00e9 linie, b\u00edl\u00e9 skvrny, segregace, inkluze, povrchov\u00e1 dekarbonizace, dendritick\u00e9 krystaly, hrub\u00e9 krystalov\u00e9 prstence, zbytky smr\u0161t\u011bn\u00ed, pronik\u00e1n\u00ed ne\u017eelezn\u00fdch kov\u016f, oxidov\u00fd film, poruchy proud\u011bn\u00ed atd.<\/li>\n\n\n\n<li>N\u011bkter\u00e9 se odr\u00e1\u017eej\u00ed v mikrostruktu\u0159e, jako je precipitace druh\u00e9 f\u00e1ze.<\/li>\n\n\n\n<li>N\u011bkter\u00e9 se projevuj\u00ed ve v\u00fdkonnosti v\u00fdkovk\u016f, nap\u0159. nekvalifikovan\u00e1 pevnost nebo plasticita p\u0159i pokojov\u00e9 teplot\u011b, hou\u017eevnatost, \u00fanavov\u00e9 vlastnosti atd., okam\u017eit\u00e1 pevnost, dlouhodob\u00e1 pevnost, dlouhodob\u00e1 plasticita, pevnost p\u0159i te\u010den\u00ed a dal\u0161\u00ed vlastnosti za vysok\u00fdch teplot nebo \u00fanavov\u00e9 vlastnosti za tepla a za studena nespl\u0148uj\u00ed po\u017eadavky pou\u017eit\u00ed. A\u0165 u\u017e se jedn\u00e1 o probl\u00e9my s kvalitou povrchu v\u00fdkovk\u016f je\u0159\u00e1bov\u00fdch kol nebo vnit\u0159n\u00ed v\u00fdkonnostn\u00ed vady, obvykle se vz\u00e1jemn\u011b ovliv\u0148uj\u00ed, \u010dasto spolu \u00fazce souvis\u00ed, doprov\u00e1zej\u00ed se a tvo\u0159\u00ed za\u010darovan\u00fd kruh.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"discovery-of-defects-in-overhead-crane-brake-wheels\">Zji\u0161t\u011bn\u00ed z\u00e1vad brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<p>Mostov\u00e9 je\u0159\u00e1by d\u00edky sv\u00e9mu \u010dast\u00e9mu pou\u017e\u00edv\u00e1n\u00ed a velk\u00e9mu kol\u00eds\u00e1n\u00ed zat\u00ed\u017een\u00ed \u010dasto za\u017e\u00edvaj\u00ed cykly rozb\u011bhu a brzd\u011bn\u00ed ve sv\u00fdch r\u016fzn\u00fdch mechanismech. V ur\u010dit\u00e9m obdob\u00ed, kdy je t\u0159eba prov\u00e9st brzd\u011bn\u00ed, nen\u00ed jejich brzdn\u00fd v\u00fdkon \u010dasto ide\u00e1ln\u00ed. Z\u00e1rove\u0148 mnoha je\u0159\u00e1bn\u00edk\u016fm chyb\u00ed odborn\u00e9 a kvalifikovan\u00e9 provozn\u00ed dovednosti. <\/p>\n\n\n\n<p>B\u011bhem provozn\u00edho procesu \u010dasto nakl\u00e1n\u011bj\u00ed je\u0159\u00e1b \u0161ikmo a zved\u00e1n\u00ed n\u00e1kladu nen\u00ed v bod\u011b olovnice zvedac\u00edho bodu; ne\u017e je bod pro zved\u00e1n\u00ed je\u0159\u00e1bu na sv\u00e9m m\u00edst\u011b, spol\u00e9haj\u00ed na couv\u00e1n\u00ed vozidla, aby dos\u00e1hly \u00fa\u010delu brzd\u011bn\u00ed na m\u00edst\u011b. Nav\u00edc p\u0159i pr\u00e1ci je\u0159\u00e1bu doch\u00e1z\u00ed k \u010dast\u00e9mu t\u0159en\u00ed mezi brzdovou ta\u0161kou a brzdov\u00fdm kolem a brzdov\u00e1 ta\u0161ka je do ur\u010dit\u00e9 m\u00edry opot\u0159ebovan\u00e1, co\u017e zp\u016fsobuje, \u017ee brzdov\u00e1 kola mostov\u00e9ho je\u0159\u00e1bu odhaluj\u00ed hlubok\u00e9 kruhov\u00e9 defekty zachycuj\u00edc\u00ed strusku. <\/p>\n\n\n\n<p>Kdy\u017e se ostr\u00fdm kladivem naraz\u00ed na prohlube\u0148 brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu, je sly\u0161et zvuk drcen\u00ed p\u00edsku, kter\u00fd ukazuje, \u017ee materi\u00e1l brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu je zlomen\u00fd a tvrd\u00fd a v \u010dern\u00fdch kruhov\u00fdch defektech na povrchu je tendence ke vzniku strusky. <\/p>\n\n\n\n<p>P\u0159i pravideln\u00e9 kontrole mostov\u00e9ho je\u0159\u00e1bu bylo zji\u0161t\u011bno, \u017ee komponenty syst\u00e9mu zvedac\u00ed a ovl\u00e1dac\u00ed konstrukce vyd\u00e1vaj\u00ed b\u011bhem provozu abnorm\u00e1ln\u00ed zvuky a pe\u010dlivou kontrolou bylo zji\u0161t\u011bno, \u017ee na povrchu brzdov\u00e9ho kola mostov\u00e9ho je\u0159\u00e1bu jsou kruhov\u00e9 vady. Vnit\u0159n\u00ed st\u011bny t\u011bchto defekt\u016f jsou drsn\u00e9 a tmav\u011b hn\u011bd\u00e9. Pr\u016fm\u011br defekt\u016f je 7 mm a 3 mm a hloubka je 12 mm a 5 mm, jak je zn\u00e1zorn\u011bno na obr\u00e1zku.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"609\" height=\"406\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/circular-defects.png\" alt=\"\" class=\"wp-image-10963\" style=\"aspect-ratio:4\/3;object-fit:cover\"\/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"causes-of-overhead-crane-brake-wheels-defects\">P\u0159\u00ed\u010diny defekt\u016f brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/h2>\n\n\n\n<ul>\n<li>B\u011bhem procesu odl\u00e9v\u00e1n\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu je odplyn\u011bn\u00ed tekut\u00e9 oceli nedostate\u010dn\u00e9, odkysli\u010den\u00ed tekut\u00e9 oceli je nedostate\u010dn\u00e9 b\u011bhem procesu taven\u00ed a tekut\u00e1 ocel obsahuje p\u0159\u00edli\u0161 mnoho plynu, jak je zn\u00e1zorn\u011bno na obr\u00e1zku. Stupe\u0148 lok\u00e1ln\u00edho smr\u0161t\u011bn\u00ed zp\u016fsoben\u00e9ho \u201ep\u0159echlazen\u00edm\u201c je proto \u010dasto p\u0159\u00edli\u0161 velk\u00fd, co\u017e zp\u016fsobuje nerovnom\u011brn\u00e9 lit\u00ed samotn\u00e9ho brzdov\u00e9ho kola a vytv\u00e1\u0159en\u00ed vzduchov\u00fdch bublin.<\/li>\n\n\n\n<li>V dutin\u011b formy jsou zbytky a v\u00fdfuk dutiny nen\u00ed b\u011bhem perfuze hladk\u00fd; \u010d\u00e1stice p\u00edsku nebo jin\u00e9 \u00falomky padaj\u00ed do formy b\u011bhem procesu perfuze, tak\u017ee \u010d\u00e1sti lit\u00fdch ocelov\u00fdch d\u00edl\u016f nejsou zcela napln\u011bny. Kv\u016fli p\u0159\u00edtomnosti dutin uvnit\u0159 p\u0159edm\u011btu m\u00e1 p\u0159i smr\u0161\u0165ov\u00e1n\u00ed vrstva epidermis st\u00e1le ur\u010ditou tvrdost v d\u016fsledku chladiv\u00e9ho \u00fa\u010dinku p\u0159irozen\u00e9 teploty, ale vytvo\u0159\u00ed na povrchu prohlube\u0148 v d\u016fsledku \u00fa\u010dinku vnit\u0159n\u00edho smr\u0161t\u011bn\u00ed.<\/li>\n\n\n\n<li>B\u011bhem procesu odl\u00e9v\u00e1n\u00ed je plyn sev\u0159en mezi proudem kovu a st\u011bnou dutiny a nem\u016f\u017ee b\u00fdt zcela vypu\u0161t\u011bn, \u010d\u00edm\u017e se tvo\u0159\u00ed vzduchov\u00e9 bubliny v odpov\u00eddaj\u00edc\u00edch \u010d\u00e1stech brzdov\u00e9ho kola. Pokud se tyto vzduchov\u00e9 bubliny shroma\u017e\u010fuj\u00ed ve velk\u00e9m mno\u017estv\u00ed v dutin\u011b, objev\u00ed se na hran\u00e1ch a povrchov\u00fdch \u010d\u00e1stech ocelolitiny.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"299\" height=\"225\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2025\/02\/casting-process-of-the-overhead-crane-brake-wheel.png\" alt=\"\" class=\"wp-image-10964\" style=\"aspect-ratio:4\/3;object-fit:cover;width:603px;height:auto\"\/><\/figure><\/div>\n\n\n<p>Po v\u00fd\u0161e uveden\u00e9 anal\u00fdze je vid\u011bt, \u017ee materi\u00e1l, proces odl\u00e9v\u00e1n\u00ed a faktory v procesu pou\u017eit\u00ed zp\u016fsob\u00ed v\u00fdznamn\u00e9 tahov\u00e9 nap\u011bt\u00ed a tlakov\u00e9 nap\u011bt\u00ed v oblasti koncentrace nap\u011bt\u00ed na kontaktn\u00edm povrchu brzdov\u00e9 ta\u0161ky a brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu. Tato nap\u011bt\u00ed p\u0159ekra\u010duj\u00ed mez elastick\u00e9 pevnosti odlitk\u016f spolu s nespr\u00e1vn\u00fdm provozem a \u010dast\u00fdm t\u0159en\u00edm, kter\u00e9 odhaluje hlubok\u00e9 kruhov\u00e9 defekty zachycuj\u00edc\u00ed strusku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"treatment-measures\">L\u00e9\u010debn\u00e1 opat\u0159en\u00ed<\/h2>\n\n\n\n<p><strong>Kontrolujte kvalitu brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu<\/strong><\/p>\n\n\n\n<p>Pro zlep\u0161en\u00ed \u017eivotnosti a v\u00fdkonu je\u0159\u00e1bov\u00fdch brzdov\u00fdch kol je nutn\u00e9 kontrolovat kvalitu a v\u00fdkon ve v\u00fdrobn\u00edm procesu a posilovat kontrolu kvality ve v\u00fdrobn\u00ed technologii. Ve v\u00fdrobn\u00edm procesu brzdov\u00fdch kol mostov\u00fdch je\u0159\u00e1b\u016f by jejich proces a technologie v\u00fdroby m\u011bly p\u0159\u00edsn\u011b dodr\u017eovat proces odl\u00e9v\u00e1n\u00ed \u2192 normalizace \u2192 obr\u00e1b\u011bn\u00ed \u2192 st\u0159edn\u011bfrekven\u010dn\u00ed kalen\u00ed a popou\u0161t\u011bn\u00ed \u2192 brou\u0161en\u00ed. <\/p>\n\n\n\n<p>Mezi nimi by m\u011bla b\u00fdt normaliza\u010dn\u00ed teplota \u0159\u00edzena na p\u0159ibli\u017en\u011b 830 \u2103, co\u017e m\u016f\u017ee b\u00fdt dokon\u010deno v odporov\u00e9 peci 100 kW, a doba izolace by m\u011bla b\u00fdt \u0159\u00edzena do 1 hodiny; temperovac\u00ed teplota by m\u011bla b\u00fdt \u0159\u00edzena na p\u0159ibli\u017en\u011b 350 \u2103, co\u017e m\u016f\u017ee b\u00fdt dokon\u010deno v 95kW odporov\u00e9 peci typu studny, a doba temperov\u00e1n\u00ed by m\u011bla b\u00fdt \u0159\u00edzena do 1 hodiny. <\/p>\n\n\n\n<p>B\u011bhem procesu tepeln\u00e9ho zpracov\u00e1n\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu by m\u011bla b\u00fdt povrchov\u00e1 tvrdost tepeln\u00e9ho zpracov\u00e1n\u00ed materi\u00e1lu \u0159\u00edzena na 3545HR a hloubka tvrzen\u00e9 vrstvy by m\u011bla b\u00fdt \u0159\u00edzena na 23 mm. To m\u016f\u017ee zlep\u0161it tvrdost a odolnost proti opot\u0159eben\u00ed brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu, stejn\u011b jako mez pru\u017enosti a komplexn\u00ed mechanick\u00e9 vlastnosti oceli, \u010d\u00edm\u017e se zlep\u0161\u00ed materi\u00e1lov\u00e9 vlastnosti nebo chemick\u00e9 vlastnosti oceli.<\/p>\n\n\n\n<p><strong>Nastavte mezeru mezi brzdov\u00fdmi koly mostov\u00e9ho je\u0159\u00e1bu a brzdovou ta\u0161kou<\/strong><\/p>\n\n\n\n<p>Mezera mezi brzdovou ta\u0161kou je\u0159\u00e1bu a brzdov\u00fdmi koly mostov\u00e9ho je\u0159\u00e1bu do ur\u010dit\u00e9 m\u00edry ur\u010duje brzdn\u00fd v\u00fdkon brzdov\u00e9ho kola. Kdy\u017e je mezera mezi brzdov\u00fdm kolem a brzdovou desti\u010dkou mal\u00e1, b\u011bhem \u010dast\u00e9 pr\u00e1ce s brzdov\u00fdm kolem je\u0159\u00e1bu se mezi nimi vytvo\u0159\u00ed v\u00e1\u017en\u00e9 t\u0159en\u00ed. Kdy\u017e je materi\u00e1l na povrchu brzdov\u00e9 desti\u010dky rozdrcen t\u0159en\u00edm, \u0161rouby pou\u017eit\u00e9 k upevn\u011bn\u00ed brzdov\u00e9 desti\u010dky se budou p\u0159\u00edmo ot\u00edrat o brzdov\u00e9 kolo mostov\u00e9ho je\u0159\u00e1bu.<\/p>\n\n\n\n<p>Po\u0161kozen\u00ed brzdov\u00e9ho kola zp\u016fsoben\u00e9 t\u00edmto t\u0159en\u00edm je mimo\u0159\u00e1dn\u011b v\u00e1\u017en\u00e9, tak\u017ee je\u0159\u00e1bn\u00edk mus\u00ed p\u0159\u00edsn\u011b kontrolovat mezeru mezi brzdov\u00fdm kolem je\u0159\u00e1bu a brzdovou ta\u0161kou. Jakmile se zjist\u00ed, \u017ee mezera mezi nimi je p\u0159\u00edli\u0161 mal\u00e1, m\u011bla by b\u00fdt okam\u017eit\u011b upravena na p\u0159\u00edslu\u0161nou normu, aby byl zaji\u0161t\u011bn norm\u00e1ln\u00ed provoz.<\/p>\n\n\n\n<p><strong>Pos\u00edlit kontrolu<\/strong><\/p>\n\n\n\n<p>Brzdov\u00e9 kolo je jednou z nejn\u00e1chyln\u011bj\u0161\u00edch \u010d\u00e1st\u00ed pracovn\u00edho procesu je\u0159\u00e1bu. Obsluha by proto m\u011bla p\u0159i b\u011b\u017en\u00e9m pou\u017e\u00edv\u00e1n\u00ed je\u0159\u00e1bu brzdov\u00e9 kolo pravideln\u011b kontrolovat. Obsah kontroly zahrnuje p\u0159edev\u0161\u00edm n\u00e1sleduj\u00edc\u00ed aspekty:<\/p>\n\n\n\n<ul>\n<li>Prove\u010fte podrobn\u00e9 m\u011b\u0159en\u00ed mezery mezi brzdov\u00fdm kolem a brzdovou desti\u010dkou, abyste zajistili, \u017ee mezera mezi brzdov\u00fdm kolem a brzdovou desti\u010dkou bude b\u011bhem pracovn\u00edho procesu udr\u017eov\u00e1na ve v\u011bdeck\u00e9m a rozumn\u00e9m rozsahu.<\/li>\n\n\n\n<li>P\u0159i provozu je\u0159\u00e1bu v\u011bnujte pozornost tomu, zda je zvuk brzdov\u00e9ho kola b\u011bhem provozu norm\u00e1ln\u00ed.<\/li>\n\n\n\n<li>Pravideln\u011b kontrolujte a udr\u017eujte brzdov\u00e1 kole\u010dka, v\u011bdecky vyhodnocujte a p\u0159im\u011b\u0159en\u011b p\u0159edv\u00eddejte opot\u0159eben\u00ed a kontrolujte povrch brzdov\u00fdch kole\u010dek, zda nevykazuj\u00ed z\u00e1vady, kter\u00e9 ovliv\u0148uj\u00ed bezpe\u010dnost.<\/li>\n\n\n\n<li>Zkontrolujte tla\u010dnou pru\u017einu brzdov\u00e9 desti\u010dky. Pokud se zjist\u00ed, \u017ee pru\u017enost pru\u017einy je nedostate\u010dn\u00e1, m\u011bla by b\u00fdt okam\u017eit\u011b vym\u011bn\u011bna.<\/li>\n<\/ul>\n\n\n\n<p><strong>Bezpe\u010dnostn\u00ed technick\u00e1 kontrola<\/strong><\/p>\n\n\n\n<p>P\u0159i kontrole brzdov\u00fdch kol mostov\u00e9ho je\u0159\u00e1bu je t\u0159eba dodr\u017eet n\u00e1sleduj\u00edc\u00ed kroky:<\/p>\n\n\n\n<ul>\n<li>Pro ka\u017edou sm\u011bnu je t\u0159eba ji jednou pe\u010dliv\u011b zkontrolovat.<\/li>\n\n\n\n<li>Inspektor m\u016f\u017ee pomoc\u00ed m\u011b\u0159ic\u00ed p\u00e1sky zm\u011b\u0159it velikost v\u016fle na obou stran\u00e1ch brzdov\u00e9ho kola a m\u011bla by spl\u0148ovat po\u017eadavky n\u00e1rodn\u00edch norem.<\/li>\n\n\n\n<li>K m\u011b\u0159en\u00ed tlou\u0161\u0165ky r\u00e1fku brzdov\u00e9ho kola m\u016f\u017eete pou\u017e\u00edt posuvn\u00e9 m\u011b\u0159\u00edtko. Je po\u017eadov\u00e1no, aby pr\u016fm\u011br r\u00e1fku brzdov\u00e9ho kola p\u0159ed opot\u0159eben\u00edm byl celo\u010d\u00edseln\u00e1 hodnota, aby bylo mo\u017en\u00e9 rychle a p\u0159esn\u011b vypo\u010d\u00edtat p\u016fvodn\u00ed tlou\u0161\u0165ku r\u00e1fku brzdov\u00e9ho kola a n\u00e1sledn\u011b vypo\u010d\u00edtat tlou\u0161\u0165ku opot\u0159eben\u00ed.<\/li>\n\n\n\n<li>Ujist\u011bte se, \u017ee t\u0159ec\u00ed plocha brzdov\u00e9ho kola je \u010dist\u00e1. Pokud se objev\u00ed olej a jin\u00e9 ne\u010distoty, je t\u0159eba je okam\u017eit\u011b vy\u010distit.<\/li>\n<\/ul>\n\n\n\n<p>P\u0159i kontrole mostov\u00fdch je\u0159\u00e1b\u016f je t\u0159eba p\u0159\u00edsn\u011b dodr\u017eovat n\u00e1sleduj\u00edc\u00ed opat\u0159en\u00ed.<\/p>\n\n\n\n<ul>\n<li>B\u011bhem inspek\u010dn\u00edho procesu mus\u00ed inspekto\u0159i p\u0159\u00edsn\u011b kontrolovat komponenty jeden po druh\u00e9m podle ustanoven\u00ed TSG 51-2023 \u201eTechnick\u00e9 specifikace pro bezpe\u010dnost speci\u00e1ln\u00edch za\u0159\u00edzen\u00ed\u201c.<\/li>\n\n\n\n<li>P\u0159i procesu kontroly mostov\u00fdch je\u0159\u00e1b\u016f by m\u011bly b\u00fdt zji\u0161t\u011bn\u00e9 z\u00e1vady a hlavn\u00ed geometrick\u00e9 rozm\u011bry podrobn\u011b zaznamen\u00e1ny nebo vyfotografov\u00e1ny, aby je bylo mo\u017en\u00e9 p\u0159i budouc\u00edch kontrol\u00e1ch c\u00edlen\u011b porovn\u00e1vat.<\/li>\n\n\n\n<li>B\u011bhem kontroly d\u00edl\u016f a r\u016fzn\u00fdch v\u00fdkonnostn\u00edch test\u016f pozorn\u011b poslouchejte, zda se b\u011bhem provozu je\u0159\u00e1bu neozve abnorm\u00e1ln\u00ed zvuk; bl\u00ed\u017ee se pod\u00edvejte, zda na pohybliv\u00fdch \u010d\u00e1stech nejsou zjevn\u00e9 deformace, opot\u0159eben\u00ed, d\u016flky a jin\u00e9 vady; pe\u010dliv\u011b zm\u011b\u0159te data a ud\u011blejte z\u00e1znam.<\/li>\n\n\n\n<li>Zajist\u011bte, aby byly probl\u00e9my zji\u0161t\u011bn\u00e9 b\u011bhem procesu kontroly a testov\u00e1n\u00ed v\u010das ozn\u00e1meny u\u017eivatelsk\u00e9 jednotce a poskytn\u011bte podrobn\u00e9 vysv\u011btlen\u00ed, n\u00e1zory na n\u00e1pravu a n\u00e1vrhy.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"summary\">Shrnut\u00ed<\/h2>\n\n\n\n<p>Kruhov\u00e1 vada brzdov\u00e9ho kola mostov\u00e9ho je\u0159\u00e1bu je d\u016fle\u017eitou z\u00e1le\u017eitost\u00ed, kter\u00e1 ovliv\u0148uje bezpe\u010dn\u00fd provoz a \u017eivotnost za\u0159\u00edzen\u00ed. Prost\u0159ednictv\u00edm anal\u00fdzy p\u0159\u00ed\u010din defekt\u016f brzdov\u00fdch kol a diskus\u00ed o l\u00e9\u010debn\u00fdch opat\u0159en\u00edch \u010dl\u00e1nek navrhuje n\u00e1sleduj\u00edc\u00ed t\u0159i c\u00edlen\u00e9 pl\u00e1ny zlep\u0161en\u00ed\uff1a<\/p>\n\n\n\n<ul>\n<li>Zlep\u0161en\u00ed procesu odl\u00e9v\u00e1n\u00ed: Brzdov\u00e9 kolo mus\u00ed b\u011bhem procesu odl\u00e9v\u00e1n\u00ed p\u0159\u00edsn\u011b kontrolovat proces odply\u0148ov\u00e1n\u00ed a deoxygenace tekut\u00e9 oceli, sni\u017eovat tvorbu vzduchov\u00fdch bublin a strusky a vyh\u00fdbat se tvorb\u011b kruhov\u00fdch povrchov\u00fdch defekt\u016f ze zdroje.<\/li>\n\n\n\n<li>Optimalizace tepeln\u00e9ho zpracov\u00e1n\u00ed: D\u00edky rozumn\u00e9mu procesu tepeln\u00e9ho zpracov\u00e1n\u00ed se zlep\u0161uje tvrdost a odolnost materi\u00e1lu brzdov\u00e9ho kola proti opot\u0159eben\u00ed, zvy\u0161uje se jeho v\u00fdkon v prost\u0159ed\u00ed s vysok\u00fdm nam\u00e1h\u00e1n\u00edm a vysokou teplotou a prodlu\u017euje se jeho \u017eivotnost.<\/li>\n\n\n\n<li>Specifikace provozu a \u00fadr\u017eby: pos\u00edlit ka\u017edodenn\u00ed kontrolu a \u00fadr\u017ebu brzdov\u00e9ho kola, zejm\u00e9na \u00fapravu mezery mezi brzdov\u00fdm kolem a brzdovou desti\u010dkou, sn\u00ed\u017eit zbyte\u010dn\u00e9 opot\u0159eben\u00ed a koncentraci nap\u011bt\u00ed a zajistit bezpe\u010dn\u00fd provoz je\u0159\u00e1bu.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"As a key equipment in industrial production, the safety and reliability of overhead cranes directly affect production efficiency and operation safety. The overhead crane brake wheel is an important part of the overhead crane. It undergoes high-intensity friction and pressure during the braking process, so it is prone to various defects, which affect the normal [&hellip;]","protected":false},"featured_media":10962,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[378,379,464],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10961"}],"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":9,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10961\/revisions"}],"predecessor-version":[{"id":11779,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/10961\/revisions\/11779"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media\/10962"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=10961"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=10961"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=10961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}