[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bofi.cz\/bezpecne-poklopy-na-sachty\/#Article","mainEntityOfPage":"https:\/\/www.bofi.cz\/bezpecne-poklopy-na-sachty\/","headline":"Bezpe\u010dn\u00e9 poklopy na \u0161achty","name":"Bezpe\u010dn\u00e9 poklopy na \u0161achty","description":"Jak je zn\u00e1mo, n\u011bkter\u00e9 zem\u011b byly u\u017e ve starov\u011bku v technick\u00fdch z\u00e1le\u017eitostech na vysok\u00e9 \u00farovni. Nap\u0159\u00edklad v \u010c\u00edn\u011b u\u017e ve \u010dtvrt\u00e9m stolet\u00ed vyzkou\u0161eli spojit dva p\u0159\u00edrodn\u00ed materi\u00e1ly, kter\u00fdmi je \u017eelezo a uhl\u00edk. Vznikla litina, kter\u00e1 je vysoce odoln\u00e1 v\u016f\u010di tlaku a teplot\u011b. Dal\u0161\u00ed v\u00edtanou vlastnost\u00ed je jej\u00ed n\u00edzk\u00e1 pru\u017enost. o Evropa za touto asijskou zem\u00ed […]","datePublished":"2018-11-14","dateModified":"2023-04-27","author":{"@type":"Person","@id":"https:\/\/www.bofi.cz\/author\/#Person","name":"bofi.cz","url":"https:\/\/www.bofi.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/6eaf701939e92690bed32d6f2e2c0f9e1355f2e3837c1fb45fbfacf848239e2d?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bofi.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bofi.cz\/wp-content\/uploads\/img_a330915_w1721_t1543340072.jpg","url":"https:\/\/www.bofi.cz\/wp-content\/uploads\/img_a330915_w1721_t1543340072.jpg","height":0,"width":0},"url":"https:\/\/www.bofi.cz\/bezpecne-poklopy-na-sachty\/","about":["N\u00e1kupy"],"wordCount":385,"articleBody":"Jak je zn\u00e1mo, n\u011bkter\u00e9 zem\u011b byly u\u017e ve starov\u011bku v technick\u00fdch z\u00e1le\u017eitostech na vysok\u00e9 \u00farovni. Nap\u0159\u00edklad v \u010c\u00edn\u011b u\u017e ve \u010dtvrt\u00e9m stolet\u00ed vyzkou\u0161eli spojit dva p\u0159\u00edrodn\u00ed materi\u00e1ly, kter\u00fdmi je \u017eelezo a uhl\u00edk. Vznikla litina, kter\u00e1 je vysoce odoln\u00e1 v\u016f\u010di tlaku a teplot\u011b. Dal\u0161\u00ed v\u00edtanou vlastnost\u00ed je jej\u00ed n\u00edzk\u00e1 pru\u017enost.   o Evropa za touto asijskou zem\u00ed dost pokulh\u00e1vala, proto\u017ee je zde tato slitina zn\u00e1m\u00e1 a\u017e ve \u010dtrn\u00e1ct\u00e9m stolet\u00ed. o Nikdo ale jist\u011b tehdy netu\u0161il, \u017ee litina p\u0159ekon\u00e1 stalet\u00ed a jednou se z n\u00ed bude vyr\u00e1b\u011bt spousta nezbytnost\u00ed. Jednou z nich jsou i poklopy na kan\u00e1ly ud\/litinove-poklopy a r\u016fzn\u00e9 \u0161achty. \u00b7 Litinov\u00e9 poklopy, kter\u00e9 se vyr\u00e1b\u011bj\u00ed v sou\u010dasn\u00e9 dob\u011b, zaru\u010duj\u00ed snadnou a bezpe\u010dnou manipulaci. \u00b7 Jsou ale konstruov\u00e1ny tak, aby samotn\u00fd poklop \u0161el otev\u0159\u00edt pouze s pou\u017eit\u00edm speci\u00e1ln\u00edho mont\u00e1\u017en\u00edho n\u00e1\u0159ad\u00ed. – T\u00edm p\u00e1dem jsou bezpe\u010dn\u00e9 a zaji\u0161t\u011bn\u00e9 proti ne\u017e\u00e1douc\u00edmu otev\u0159en\u00ed.  V r\u00e1mu je ulo\u017eeno takzvan\u00e9 elastomerov\u00e9 t\u011bsn\u011bn\u00ed. To p\u0159in\u00e1\u0161\u00ed jistotu vodot\u011bsnosti a plynot\u011bsnosti p\u0159i uzav\u0159en\u00ed pomoc\u00ed integrovan\u00e9 dvoj\u00ed z\u00e1padky. Tento efekt vznik\u00e1 t\u00edm, \u017ee syst\u00e9m vytv\u00e1\u0159\u00ed dostate\u010dn\u00fd tlak na t\u011bsn\u011bn\u00ed. a) Jestli\u017ee je zapot\u0159eb\u00ed vyu\u017e\u00edt vodot\u011bsn\u00e9 a plynot\u011bsn\u00e9 poklopy, pak hledejte ty, kter\u00e9 maj\u00ed ozna\u010den\u00ed \u201eS\u201c. b) Hydraulick\u00fd posilova\u010d najdete u typu s ozna\u010den\u00edm \u201eH\u201c. Snadn\u00e1 manipulace i \u00fadr\u017eba D\u00edky speci\u00e1ln\u00ed konstrukci poklopu a r\u00e1mu je mo\u017en\u00e9 otev\u0159\u00edt poklop pomoc\u00ed kloubu. Tato konstrukce je tak\u00e9 vhodn\u00e1 pro uzav\u0159en\u00ed \u0161achty, proto\u017ee obsahuje bezpe\u010dnost\u00ed pojistku. \u00b7 Ta je instalov\u00e1na na osmdes\u00e1t stup\u0148\u016f a zabr\u00e1n\u00ed necht\u011bn\u00e9mu uzav\u0159en\u00ed. \u00b7 Zaji\u0161t\u011bn\u00ed je pak na sto stup\u0148\u016f. \u00b7 P\u0159i otev\u0159en\u00ed se poklop zajist\u00ed na sto dvacet stup\u0148\u016f. – P\u0159i t\u00e9to hodnot\u011b bezpe\u010dn\u011b stoj\u00ed. Konstrukce je tak\u00e9 \u0159e\u0161ena tak, aby nedo\u0161lo k p\u00e1du poklopu do \u0161achty. A je\u0161t\u011b jedna v\u00fdhoda na z\u00e1v\u011br \u2013 v\u00fdrobky z litinov\u00e9ho materi\u00e1lu jsou nen\u00e1ro\u010dn\u00e9 na \u00fadr\u017ebu.                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bezpe\u010dn\u00e9 poklopy na \u0161achty","item":"https:\/\/www.bofi.cz\/bezpecne-poklopy-na-sachty\/#breadcrumbitem"}]}]