{"id":6975,"date":"2021-08-07T07:54:40","date_gmt":"2021-08-07T07:54:40","guid":{"rendered":"https:\/\/www.hndfcrane.com\/posts\/overhead-eot-crane-wheel-load-calculation-data\/"},"modified":"2024-09-09T07:27:47","modified_gmt":"2024-09-09T07:27:47","slug":"overhead-eot-crane-wheel-load-calculation-data","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/cs\/posts\/overhead-eot-crane-wheel-load-calculation-data\/","title":{"rendered":"V\u00fdpo\u010det zat\u00ed\u017een\u00ed a data z\u00e1v\u011bsn\u00e9ho kola je\u0159\u00e1bu"},"content":{"rendered":"

\"[notphone][symmen_model id=11 cat=news_Info][\/notphone][phone][symmen_model id=12 cat=m-news_share][\/phone]<\/p>\n

Tlakov\u00e9 zat\u00ed\u017een\u00ed kol mostov\u00e9ho je\u0159\u00e1bu je svisl\u00fd tlak kolo<\/a> na stop\u011b. V\u00fdpo\u010det pevnostn\u00edch d\u00edl\u016f je\u0159\u00e1bov\u00e9ho mechanismu a kovov\u00e9 konstrukce z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na maxim\u00e1ln\u00edm tlakov\u00e9m zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu, p\u0159i\u010dem\u017e tak\u00e9 poskytuje z\u00e1klad pro n\u00e1vrh kolov\u00fdch za\u0159\u00edzen\u00ed, ale tak\u00e9 pro n\u00e1vrh nosn\u00e9 konstrukce koleje poskytuje p\u016fvodn\u00ed data. A minim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol se pou\u017e\u00edv\u00e1 hlavn\u011b pro startov\u00e1n\u00ed mechanismu chodu a test prokluzu brzdov\u00e9ho kola.<\/p>\n

\"<\/p>\n

V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol mostov\u00e9ho je\u0159\u00e1bu, tj. v\u00fdpo\u010det celkov\u00e9ho tlaku oto\u010dn\u00e9ho bodu. V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol je rozd\u011blen na v\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol p\u0159i pohybliv\u00e9m zat\u00ed\u017een\u00ed a v\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol pod superstatickou konstrukc\u00ed.<\/p>\n

\"<\/p>\n

V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol p\u0159i superstatick\u00e9 konstrukci<\/span><\/h3>\n

\u010cty\u0159bodov\u00e1 nosn\u00e1 konstrukce mostov\u00e9ho je\u0159\u00e1bu je superstatick\u00e1, rozlo\u017een\u00ed nosn\u00e9 reak\u010dn\u00ed s\u00edly souvis\u00ed nejen se zat\u00ed\u017een\u00edm, ale souvis\u00ed i s konstruk\u010dn\u00ed tuhost\u00ed r\u00e1mu, tuhost\u00ed z\u00e1kladu, p\u0159esnost\u00ed v\u00fdroby a instalace. konstrukce r\u00e1mu, pru\u017enost a rovinnost koleje atd. Vypo\u010d\u00edtat vliv t\u011bchto faktor\u016f na reak\u010dn\u00ed s\u00edlu podp\u011bry je v\u0161ak \u010dasov\u011b velmi n\u00e1ro\u010dn\u00e9 a je obt\u00ed\u017en\u00e9 odhadnout nerovnosti koleje. V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol pod superstacion\u00e1rn\u00ed konstrukc\u00ed proto obecn\u011b pou\u017e\u00edv\u00e1 metodu p\u0159ibli\u017en\u00e9ho \u0159e\u0161en\u00ed a rozd\u00edl chyb mezi metodou p\u0159ibli\u017en\u00e9ho \u0159e\u0161en\u00ed a metodou p\u0159esn\u00e9ho \u0159e\u0161en\u00ed nebyl dosud studov\u00e1n.<\/p>\n

P\u0159\u00edklad anal\u00fdzy:<\/span><\/h3>\n

Za prv\u00e9, zn\u00e1m\u00e9: nosnost: Q = 20 tun, rozp\u011bt\u00ed: L = 22,5 m, po\u010det kol: 4, celkov\u00e1 hmotnost je\u0159\u00e1bu (v\u010detn\u011b voz\u00edku) celkem = 32,5 tun.<\/p>\n

Hmotnost voz\u00edku: G = 7,5 tuny, hmotnost rozp\u011brky: 0,5 tuny, minim\u00e1ln\u00ed vzd\u00e1lenost od st\u0159edov\u00e9 osy h\u00e1ku k st\u0159edov\u00e9 ose koncov\u00e9ho nosn\u00edku L1 = 1,5 metru (mezn\u00ed poloha velk\u00e9ho h\u00e1ku)<\/p>\n

Za druh\u00e9, proces v\u00fdpo\u010dtu<\/p>\n

    \n\t
  1. Maxim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol (pln\u00e9 zat\u00ed\u017een\u00ed) Pmax=(32500-7500)\/4+(20000+500+7500)*(22,5-1,5)\/2*22,5=19317kg<\/li>\n\t
  2. Minim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol (pln\u00e9 zat\u00ed\u017een\u00ed) Pmin=(32500-7500)\/4+(20000+500+7500)*1,5\/2*22,5?=7183kg<\/li>\n\t
  3. Maxim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol (bez zat\u00ed\u017een\u00ed) Pmax=(32500-7500)\/4+(500+7500)*(22,5-1,5)\/2*22,5?=9983kg<\/li>\n\t
  4. Minim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol (bez zat\u00ed\u017een\u00ed) Pmin=(32500-7500)\/4+(500+7500)*1,5\/2*22,5?=6517kg<\/li>\n<\/ol>\n

    Tak\u017ee maxim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol Pmax=19317, minim\u00e1ln\u00ed tlakov\u00e9 zat\u00ed\u017een\u00ed kol Pmin=6517kg<\/p><\/p>","protected":false},"excerpt":{"rendered":"V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol mostov\u00e9ho je\u0159\u00e1bu, tj. v\u00fdpo\u010det celkov\u00e9ho tlaku oto\u010dn\u00e9ho bodu. V\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol je rozd\u011blen na v\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol p\u0159i pohybliv\u00e9m zat\u00ed\u017een\u00ed a v\u00fdpo\u010det tlakov\u00e9ho zat\u00ed\u017een\u00ed kol p\u0159i superstatick\u00e9m [\u2026]","protected":false},"featured_media":5999,"parent":0,"menu_order":0,"template":"","posts_category":[197],"posts_tag":[70,71],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6975"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":1,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6975\/revisions"}],"predecessor-version":[{"id":9198,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/xmxposts\/6975\/revisions\/9198"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media\/5999"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/media?parent=6975"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_category?post=6975"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=6975"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}