{"id":2481,"date":"2024-10-17T23:09:25","date_gmt":"2024-10-17T21:09:25","guid":{"rendered":"https:\/\/trucksconcept.com\/?p=2481"},"modified":"2024-10-17T23:09:26","modified_gmt":"2024-10-17T21:09:26","slug":"hydraulicky-system-pro-vyklapeni-cast-2","status":"publish","type":"post","link":"https:\/\/trucksconcept.com\/cs\/hydraulicky-system-pro-vyklapeni-cast-2\/","title":{"rendered":"Hydraulika pro skl\u00e1p\u011bn\u00ed \u010c\u00e1st 2"},"content":{"rendered":"<p>V p\u0159edchoz\u00edm d\u00edle jsme hovo\u0159ili o z\u00e1kladech jednookruhov\u00e9 hydrauliky pro skl\u00e1p\u011bc\u00ed a zubov\u00e1 \u010derpadla. Dnes se bl\u00ed\u017ee pod\u00edv\u00e1me na v\u00fdvodov\u00fd h\u0159\u00eddel (PTO) a ovl\u00e1dac\u00ed ventily.   V\u00fdvodov\u00fd h\u0159\u00eddel (PTO) je kl\u00ed\u010dovou sou\u010d\u00e1st\u00ed syst\u00e9mu. Je t\u0159eba db\u00e1t na slad\u011bn\u00ed typu p\u0159evodovky, volby to\u010div\u00e9ho momentu a p\u0159evodov\u00e9ho pom\u011bru PTO, aby byla zaji\u0161t\u011bna optim\u00e1ln\u00ed rychlost \u010derpadla a pr\u016ftok oleje. D\u016fle\u017eit\u00e1 je tak\u00e9 spr\u00e1vn\u00e1 poloha v\u00fdvodov\u00e9ho h\u0159\u00eddele v\u016f\u010di p\u0159evodovce (zadn\u00ed nebo bo\u010dn\u00ed mont\u00e1\u017e) a volba spr\u00e1vn\u00e9ho typu v\u00fdvodov\u00e9ho h\u0159\u00eddele, nap\u0159. krychlov\u00e9ho nebo posunut\u00e9ho, kter\u00fd ovliv\u0148uje p\u0159evodov\u00fd pom\u011br pohonu \u010derpadla. Posunut\u00fd v\u00fdvodov\u00fd h\u0159\u00eddel obvykle n\u00e1sob\u00ed ot\u00e1\u010dky, tak\u017ee \u010derpadlo m\u016f\u017ee b\u011b\u017eet p\u0159i vy\u0161\u0161\u00edch ot\u00e1\u010dk\u00e1ch, a krychlov\u00fd v\u00fdvodov\u00fd h\u0159\u00eddel p\u0159en\u00e1\u0161\u00ed v\u00fdstupn\u00ed ot\u00e1\u010dky z p\u0159evodovky. Nezapome\u0148te tak\u00e9 na sn\u00edma\u010d PTO, kter\u00fd je p\u0159ipojen k po\u010d\u00edta\u010di a indikuje provozn\u00ed stav PTO - zapnuto - vypnuto. V n\u011bkter\u00fdch konfigurac\u00edch se bez tohoto sn\u00edma\u010de neobejdete. Dal\u0161\u00ed d\u016fle\u017eitou sou\u010d\u00e1st\u00ed je regula\u010dn\u00ed ventil skl\u00e1p\u011bn\u00ed. Tento ventil mus\u00ed omezovat tlak oleje v syst\u00e9mu a chr\u00e1nit pohon. Nastaven\u00ed ventilu mus\u00ed odpov\u00eddat provozn\u00edmu tlaku pohonu. D\u016fle\u017eit\u00e9 je tak\u00e9 spr\u00e1vn\u00e9 um\u00edst\u011bn\u00ed ventilu, kter\u00e9 ovliv\u0148uje veden\u00ed hydraulick\u00fdch veden\u00ed a zabra\u0148uje obt\u00ed\u017e\u00edm p\u0159i omezov\u00e1n\u00ed polom\u011bru ohybu veden\u00ed. D\u016fle\u017eit\u00fd je tak\u00e9 maxim\u00e1ln\u00ed pr\u016ftok oleje ventilem. M\u011bl by b\u00fdt zvolen tak, aby nepotla\u010doval olej v syst\u00e9mu, tj. nezp\u016fsoboval protitlak. To je velmi nep\u0159\u00edjemn\u00fd jev a m\u016f\u017ee po\u0161kodit hydrauliku. Pr\u016ftok ventilem by m\u011bl b\u00fdt jednodu\u0161e v\u011bt\u0161\u00ed ne\u017e pr\u016ftok oleje, kter\u00fd dod\u00e1v\u00e1 \u010derpadlo. P\u0159i v\u00fdb\u011bru pneumatick\u00e9ho ovl\u00e1d\u00e1n\u00ed se zam\u011b\u0159te na to, za co m\u00e1 b\u00fdt zodpov\u011bdn\u00e9. Chcete ovl\u00e1dat pouze v\u00fdklopn\u00fd ventil, tj. polohy nahoru, dol\u016f a neutr\u00e1l? M\u00e1te dal\u0161\u00ed funkce, jako je zapnut\u00ed\/vypnut\u00ed v\u00fdvodov\u00e9ho h\u0159\u00eddele nebo dal\u0161\u00ed ovl\u00e1d\u00e1n\u00ed hydraulick\u00fdch stran? Pneumatick\u00e9 ovl\u00e1d\u00e1n\u00ed se m\u016f\u017ee p\u0159i vykl\u00e1p\u011bn\u00ed automaticky vr\u00e1tit do neutr\u00e1ln\u00ed polohy, co\u017e je tak\u00e9 ot\u00e1zkou specifikace a volby. M\u016f\u017eete si tak\u00e9 zvolit typ signalizace polohy ovl\u00e1dac\u00edho joysticku, a to bu\u010f LED diodou, nebo zvukov\u00fdm sign\u00e1lem.    Pokud jsem v\u00e1s p\u0159esv\u011bd\u010dil a byl v\u00e1m n\u00e1pomocen, zvu v\u00e1s na str\u00e1nky www.trucksconcept.com, kde najdete komponenty od renomovan\u00e9ho italsk\u00e9ho v\u00fdrobce OMFB, jsou skv\u011blou volbou. OMFB nab\u00edz\u00ed ve stavebnici v\u0161echny origin\u00e1ln\u00ed d\u00edly ze sv\u00fdch tov\u00e1ren, nikoliv zna\u010dkov\u00e9 komponenty od jin\u00fdch v\u00fdrobc\u016f a nab\u00edzen\u00ed \u201esestav\u201d jako v\u011bt\u0161ina firem. OMFB je v\u00fdrobcem v\u0161ech komponent\u016f, co\u017e je jejich silnou str\u00e1nkou a kvalitou.  Uvid\u00edme se v dal\u0161\u00edm d\u00edle! Z\u016fsta\u0148te se mnou, Asia Pieprzyca<\/p><figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Hydraulika pro skl\u00e1p\u011bn\u00ed \u010c\u00e1st 2\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/siD9rQbbZwU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>W poprzednim odcinku m\u00f3wili\u015bmy o podstawach uk\u0142adu hydrauliki jednoobwodowej do wywrotu oraz pompach z\u0119batych. Dzi\u015b przyjrzymy si\u0119 bli\u017cej przystawkom odbioru mocy (PTO) oraz zaworom steruj\u0105cym. \u00a0 Przystawka odbioru mocy (PTO) to kluczowy element uk\u0142adu. Nale\u017cy zadba\u0107 o odpowiednie dopasowanie do typu skrzyni bieg\u00f3w, doboru momentu obrotowego oraz prze\u0142o\u017cenia PTO, aby zapewni\u0107 optymalne obroty pompy i [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2482,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bez-kategorii"],"acf":[],"_links":{"self":[{"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/posts\/2481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/comments?post=2481"}],"version-history":[{"count":0,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/posts\/2481\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/media\/2482"}],"wp:attachment":[{"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/media?parent=2481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/categories?post=2481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trucksconcept.com\/cs\/wp-json\/wp\/v2\/tags?post=2481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}