[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pekkos.cz\/nejvetsi-mechanicky-vynalez-kolo\/#Article","mainEntityOfPage":"https:\/\/www.pekkos.cz\/nejvetsi-mechanicky-vynalez-kolo\/","headline":"Nejv\u011bt\u0161\u00ed mechanick\u00fd vyn\u00e1lez? Kolo!","name":"Nejv\u011bt\u0161\u00ed mechanick\u00fd vyn\u00e1lez? Kolo!","description":"Lid\u00e9 pou\u017e\u00edvaj\u00ed kolo ji\u017e v\u00edce jak p\u011bt tis\u00edc let a st\u00e1le se jedn\u00e1 o jednu z\u00a0nejpou\u017e\u00edvan\u011bj\u0161\u00edch mechanick\u00fdch sou\u010d\u00e1stek. Krom\u011b dopravn\u00edch prost\u0159edk\u016f jej nalezneme jak v\u00a0hodink\u00e1ch, tak t\u0159eba v\u00a0elektronice nebo v\u00a0letadlech. S\u00a0rostouc\u00edmi pot\u0159ebami spole\u010dnosti se m\u011bnila i podoba kola. Dne\u0161n\u00ed kola jsou modern\u00ed, lehk\u00e1 a jsou vyr\u00e1b\u011bna z\u00a0r\u016fzn\u00fdch materi\u00e1l\u016f. Prvn\u00ed kola","datePublished":"2020-09-22","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.pekkos.cz\/author\/#Person","name":"","url":"https:\/\/www.pekkos.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e2bc6fe70dccf39a55c73bbd7bca9ee949cec8871fdab6d0b20905b7ccca14f3?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"pekkos.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.pekkos.cz\/wp-content\/uploads\/img_a294392_w2020_t1506353478.jpg","url":"https:\/\/www.pekkos.cz\/wp-content\/uploads\/img_a294392_w2020_t1506353478.jpg","height":0,"width":0},"url":"https:\/\/www.pekkos.cz\/nejvetsi-mechanicky-vynalez-kolo\/","wordCount":400,"articleBody":"\tLid\u00e9 pou\u017e\u00edvaj\u00ed kolo ji\u017e v\u00edce jak p\u011bt tis\u00edc let a st\u00e1le se jedn\u00e1 o jednu z\u00a0nejpou\u017e\u00edvan\u011bj\u0161\u00edch mechanick\u00fdch sou\u010d\u00e1stek. Krom\u011b dopravn\u00edch prost\u0159edk\u016f jej nalezneme jak v\u00a0hodink\u00e1ch, tak t\u0159eba v\u00a0elektronice nebo v\u00a0letadlech. S\u00a0rostouc\u00edmi pot\u0159ebami spole\u010dnosti se m\u011bnila i podoba kola. Dne\u0161n\u00ed kola jsou modern\u00ed, lehk\u00e1 a jsou vyr\u00e1b\u011bna z\u00a0r\u016fzn\u00fdch materi\u00e1l\u016f. Prvn\u00ed kola v\u0161ak byla celod\u0159ev\u011bn\u00e1 a t\u011b\u017ekop\u00e1dn\u00e1.\t\tHistorieKolo sni\u017euje t\u0159en\u00ed a plocha, kter\u00e1 se v\u00a0jeden moment dot\u00fdk\u00e1 zem\u011b je mal\u00e1. D\u00edky tomu se snadn\u011bji p\u0159epravuje n\u00e1klad. U\u017e v\u00a0roce 3200 p\u0159ed na\u0161\u00edm letopo\u010dtem se v\u00a0Mezopot\u00e1mii pou\u017e\u00edvaly v\u00e1le\u010dn\u00e9 vozy, kter\u00e9 v\u017edy p\u0159ekvapily protivn\u00edka, kter\u00fd nebyl tak technicky vysp\u011bl\u00fd. Kola pom\u00e1hala i p\u0159i stavb\u011b pyramid v\u00a0Egypt\u011b. Tehdy byla prvn\u011b pou\u017eita tzv. paprskov\u00e1 kola, kter\u00e1 je\u0161t\u011b v\u00edce uleh\u010dovala p\u0159epravu materi\u00e1lu, proto\u017ee rozlo\u017eila zat\u00ed\u017een\u00ed na r\u016fzn\u00e9 \u010d\u00e1sti kola.Prvn\u00edm zn\u00e1m\u00fdm typem kola ale nebylo kolo pro p\u0159epravu, ale hrn\u010d\u00ed\u0159sk\u00fd kruh. Ten pou\u017e\u00edvali lid\u00e9 v\u00a0Mezopot\u00e1mii ji\u017e n\u011bkolik tis\u00edc let p\u0159ed t\u00edm, ne\u017e jej oto\u010dili o 90 stup\u0148\u016f a spojili osou s\u00a0druh\u00fdm kruhem.\u00a0 Dal\u0161\u00edm v\u00fdznamn\u00fdm pokrokem bylo vynalezen\u00ed kulat\u00e9 turb\u00edny vodn\u00edho ml\u00fdnu a pozd\u011bji kolovrat.Samostatnou kapitolou jsou ozuben\u00e1 kola, kter\u00e1 se v\u00a0jednodu\u0161\u0161\u00ed form\u011b pou\u017e\u00edvaj\u00ed u\u017e t\u0159i tis\u00edce let. Nespo\u010det mechanick\u00fdch stroj\u016f by bez t\u011bchto kol nemohlo fungovat. Sta\u010d\u00ed rozebrat ru\u010di\u010dkov\u00e9 hodinky a pochop\u00edte, pro\u010d je tomu tak.\tSou\u010dasnostKola funguj\u00ed nejl\u00e9pe na hladk\u00e9m povrchu a proto st\u00e1le kolem n\u00e1s prob\u00edhaj\u00ed opravy silnic a d\u00e1lnic. Nejsou to v\u0161ak jen kola u dopravn\u00edch prost\u0159edk\u016f, kter\u00e1 ka\u017ed\u00fd den v\u00edd\u00e1me kolem sebe. Snad ka\u017ed\u00fd mechanick\u00fd nebo elektrick\u00fd stroj m\u00e1 v\u00a0sob\u011b n\u011bjak\u00e9 kolo nebo kole\u010dko. Bez tohoto vyn\u00e1lezu bychom se neobe\u0161li a po\u0159ekadlo, \u017ee m\u00e1 n\u011bkdo o kole\u010dko v\u00edc, by teoreticky nem\u011blo b\u00fdt hanliv\u00e9, ale pochvaln\u00e9, proto\u017ee kola n\u00e1m slou\u017e\u00ed a slou\u017eit budou.                                                                                                                                                                                                                                                                                                                                                                                        3\/5 - (6 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nejv\u011bt\u0161\u00ed mechanick\u00fd vyn\u00e1lez? Kolo!","item":"https:\/\/www.pekkos.cz\/nejvetsi-mechanicky-vynalez-kolo\/#breadcrumbitem"}]}]