{"id":4391,"date":"2013-10-02T08:27:04","date_gmt":"2013-10-02T06:27:04","guid":{"rendered":"http:\/\/obaloviny.rajapack.cz\/?p=4391"},"modified":"2024-03-04T13:12:12","modified_gmt":"2024-03-04T12:12:12","slug":"at-uz-rudl-ci-prepravni-vozik-tady-jasne-vede-fyzika","status":"publish","type":"post","link":"https:\/\/www.rajapack.cz\/blog-cz\/at-uz-rudl-ci-prepravni-vozik-tady-jasne-vede-fyzika","title":{"rendered":"A\u0165 u\u017e rudl \u010di p\u0159epravn\u00ed voz\u00edk \u2013 tady jasn\u011b vede fyzika!"},"content":{"rendered":"

Fakt, \u017ee rudl uleh\u010duje zved\u00e1n\u00ed a p\u0159epravu n\u00e1kladu, je v\u0161eobecn\u00e9 zn\u00e1m. Ale jak to funguje? Tento geni\u00e1ln\u00ed vyn\u00e1lez vyu\u017e\u00edv\u00e1 hned dvou p\u0159evratn\u00fdch fyzik\u00e1ln\u00edch objev\u016f: kola a p\u00e1ky. U\u017e Archimedovo<\/a> slavn\u00e9: \u201eDejte mi bod a j\u00e1 pohnu Zem\u00ed\u201c 250 let p\u0159.n.l. bylo zalo\u017eeno pr\u00e1v\u011b na principu p\u00e1ky. Princip je vcelku jednoduch\u00fd: v\u00fdkon, pot\u0159ebn\u00fd pro zvednut\u00ed, je sou\u010dinem s\u00edly a vzd\u00e1lenosti. S\u00edla, kterou pot\u0159ebujete pro zvednut\u00ed n\u00e1kladu, je z\u00e1visl\u00e1 na vzd\u00e1lenosti n\u00e1kladu od osy ot\u00e1\u010den\u00ed. Pro zjednodu\u0161en\u00ed: \u010d\u00edm sed\u00ed d\u00edt\u011b na houpa\u010dce bl\u00ed\u017ee k jej\u00edmu konci, o to v\u011bt\u0161\u00ed s\u00edlu mus\u00edte vynalo\u017eit pro uveden\u00ed houpa\u010dky do vodorovn\u00e9 polohy. \u010c\u00edm bl\u00ed\u017ee pak sed\u00ed k jej\u00edmu st\u0159edu, t\u00edm snadn\u011bj\u00ed jej nadzvednete.<\/p>\n

U rudlu je t\u011b\u017ei\u0161t\u011b ve st\u0159edu kola. Plocha pro n\u00e1klad (nap\u0159. lopata, deska), na kter\u00e9 je z\u00e1va\u017e\u00ed nalo\u017eeno, se pro optim\u00e1ln\u00ed vyu\u017eit\u00ed s\u00edly nach\u00e1z\u00ed v t\u011bsn\u00e9 bl\u00edzkosti. V z\u00e1vislosti na vlastnostech materi\u00e1lu p\u0159epravn\u00edho voz\u00edku (nap\u0159. hlin\u00edk, ocelov\u00e1 trubka nebo nerez) se tak d\u00e1 zvednout a p\u0159epravovat n\u00e1klad o velk\u00e9 hmotnosti U na\u0161eho nejsiln\u011bj\u0161\u00edho rudlu<\/a> lze vyu\u017e\u00edt maxim\u00e1ln\u00ed u\u017eitnou nosnost 350 kg \u2013 \u201cbez fyziky\u201c by pro zvednut\u00ed takov\u00e9 hmotnosti bylo zapot\u0159eb\u00ed dvou nebo i v\u00edce osob! Ve skladu a logistice se tak rudl st\u00e1v\u00e1 nepostradateln\u00fdm pomocn\u00edkem. \u0160et\u0159\u00ed s\u00edlu, z\u00e1da a klouby, proto\u017ee z\u00e1t\u011b\u017e nemus\u00ed b\u00fdt zved\u00e1na ze zem\u011b \u2013 zna\u010dn\u00fd p\u0159\u00ednos pro bezpe\u010dnost pr\u00e1ce. Tak\u00e9 je mo\u017en\u00e9 pomoc\u00ed stohovac\u00edho rudlu zvednout v\u00edce ne\u017e jednu krabici, t\u0159eba cel\u00fd stoh!<\/p>\n

\"Princip<\/a>
Princip p\u00e1ky<\/figcaption><\/figure>\n

Mimo jin\u00e9: prvn\u00ed rudly u\u017e existovaly v antice. Tehdy bylo\u00a0 kolo z odl\u00e9van\u00e9 oceli a voz\u00edk ze d\u0159eva. Byl tehdy pou\u017e\u00edv\u00e1n velmi \u010dasto pro p\u0159epravu pytl\u016f s moukou, a proto je \u010dasto v jin\u00fdch jazyc\u00edch naz\u00fdv\u00e1n pytlov\u00fdm rudlem, v n\u011bm\u010din\u011b Sackkarre, v Rakousku pak Sackrodel.<\/p>\n","protected":false},"excerpt":{"rendered":"

Fakt, \u017ee rudl uleh\u010duje zved\u00e1n\u00ed a p\u0159epravu n\u00e1kladu, je v\u0161eobecn\u00e9 zn\u00e1m. Ale jak to funguje? Tento geni\u00e1ln\u00ed vyn\u00e1lez vyu\u017e\u00edv\u00e1 hned dvou p\u0159evratn\u00fdch fyzik\u00e1ln\u00edch objev\u016f: kola a p\u00e1ky. U\u017e Archimedovo slavn\u00e9: […]<\/p>\n","protected":false},"author":8,"featured_media":8786,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1208,1205],"tags":[1211,1084,812],"class_list":["post-4391","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-logistika-a-e-commerce","category-nase-obaly-a-novinky","tag-logistika","tag-produkty","tag-skladovani"],"acf":[],"yoast_head":"\nNejlep\u0161\u00ed manipula\u010dn\u00ed voz\u00edk? 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