{"id":1150,"date":"2026-05-19T08:18:03","date_gmt":"2026-05-19T08:18:03","guid":{"rendered":"https:\/\/pto-gearbox.net\/?p=1150"},"modified":"2026-05-19T08:18:03","modified_gmt":"2026-05-19T08:18:03","slug":"how-a-pto-drive-gearbox-converts-tractor-power","status":"publish","type":"post","link":"https:\/\/pto-gearbox.net\/sk\/how-a-pto-drive-gearbox-converts-tractor-power\/","title":{"rendered":"Ako prevodovka s v\u00fdvodov\u00fdm hriade\u013eom premie\u0148a v\u00fdkon traktora"},"content":{"rendered":"
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<\/div>\n
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Ako prevodovka s v\u00fdvodov\u00fdm hriade\u013eom premie\u0148a v\u00fdkon traktora<\/h1>\n

\u010co sa vlastne deje medzi okamihom, ke\u010f sa v\u00fdvodov\u00fd hriade\u013e traktora za\u010dne ot\u00e1\u010da\u0165, a okamihom, ke\u010f sa va\u0161e n\u00e1radie za\u010dne pou\u017e\u00edva\u0165? Odpove\u010f sa skr\u00fdva v prevodovke.<\/p>\n

Porozpr\u00e1vajte sa s na\u0161imi odborn\u00edkmi na prevodovky<\/a><\/p>\n<\/div>\n<\/div>\n

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<\/p>\n

Kde poch\u00e1dza sila traktora \u2013 \u010dap v\u00fdvodov\u00e9ho hriade\u013ea<\/h2>\n

Ka\u017ed\u00fd traktor so zadn\u00fdm v\u00fdvodov\u00fdm hriade\u013eom m\u00e1 kr\u00e1tky dr\u00e1\u017ekovan\u00fd \u010dap hriade\u013ea vy\u010dnievaj\u00faci zo zadnej \u010dasti prevodovky. Tento \u010dap je poh\u00e1\u0148an\u00fd motorom cez prevodovku alebo nez\u00e1vislou spojkou, v z\u00e1vislosti od typu v\u00fdvodov\u00e9ho hriade\u013ea. Ke\u010f zapnete v\u00fdvodov\u00fd hriade\u013e, rota\u010dn\u00e1 energia motora sa pren\u00e1\u0161a na tento \u010dap \u0161tandardizovanou r\u00fdchlos\u0165ou \u2013 bu\u010f 540 ot.\/min., alebo 1000 ot.\/min. pre preva\u017en\u00fa v\u00e4\u010d\u0161inu po\u013enohospod\u00e1rskych traktorov na celom svete.<\/p>\n

Samotn\u00fd pah\u00fd\u013e nepoh\u00e1\u0148a \u017eiadne n\u00e1radie priamo. Poskytuje iba \u0161tandardizovan\u00fd mechanick\u00fd v\u00fdstupn\u00fd bod. V\u00fdvodov\u00fd hriade\u013e<\/a> sp\u00e1ja koncovku traktora so vstupom n\u00e1radia \u2013 a tento vstup je takmer v\u017edy Prevodovka pohonu v\u00fdvodov\u00e9ho hriade\u013ea<\/strong>Bez prevodovky na prevod r\u00fdchlosti a smeru nem\u00f4\u017ee surov\u00fd v\u00fdstup v\u00fdvodov\u00e9ho hriade\u013ea zodpoveda\u0165 po\u017eiadavk\u00e1m n\u00e1radia.<\/p>\n

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\"Zostava<\/div>\n

Prevodovka v\u00fdvodov\u00e9ho hriade\u013ea namontovan\u00e1 s hnac\u00edm hriade\u013eom \u2013 v\u00fdkon prech\u00e1dza z traktora (vpravo) do n\u00e1radia (v\u013eavo)<\/p>\n<\/div>\n

<\/p>\n

Krok jedna: V\u00fdkon vstupuje do vstupn\u00e9ho hriade\u013ea prevodovky<\/h2>\n

Pohon v\u00fdvodov\u00e9ho hriade\u013ea kon\u010d\u00ed na vstupnom hriadeli prevodovky a je spojen\u00fd pomocou dr\u00e1\u017ekovanej spojky. Dr\u00e1\u017eky (vyv\u00fd\u0161en\u00e9 hrebene vyfr\u00e9zovan\u00e9 do hriade\u013ea aj do vidlice hnacieho \u00fastrojenstva) sa mechanicky zais\u0165uj\u00fa a pren\u00e1\u0161aj\u00fa kr\u00fatiaci moment bez preklz\u00e1vania. Nasleduj\u00fa \u0161tandardn\u00e9 konfigur\u00e1cie. po\u013enohospod\u00e1rska prevodovka ISO 500<\/a> \u0161pecifik\u00e1cie: 6-dr\u00e1\u017ekov\u00fd s rozstupom 1-3\/8 palca pre 540 ot.\/min. a 20-dr\u00e1\u017ekov\u00fd s rozstupom 1-3\/4 palca pre 1000 ot.\/min.<\/p>\n

Vstupn\u00fd hriade\u013e zasahuje do puzdra a je podopret\u00fd lo\u017eiskami na ka\u017edej strane vstupn\u00e9ho ozuben\u00e9ho kolesa. Tieto lo\u017eisk\u00e1 presne umiest\u0148uj\u00fa hriade\u013e vzh\u013eadom na sp\u00e1jan\u00e9 ozuben\u00e9 koleso a absorbuj\u00fa radi\u00e1lne a axi\u00e1lne sily, ktor\u00e9 generuje z\u00e1ber ozuben\u00e9ho kolesa. Nespr\u00e1vne zarovnan\u00fd alebo vo\u013ene podopret\u00fd vstupn\u00fd hriade\u013e sp\u00f4sobuje nerovnomern\u00fd kontakt zubov, \u010do ur\u00fdch\u013euje opotrebovanie oboch ozuben\u00fdch kolies.<\/p>\n

<\/p>\n

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\ud83d\udd11 K\u013e\u00fa\u010dov\u00fd bod<\/p>\n

Na vn\u00fatornom konci vstupn\u00e9ho hriade\u013ea sa nach\u00e1dza hnacie koleso \u2013 bu\u010f ku\u017ee\u013eov\u00e9 koleso (v pravouhl\u00fdch prevodovk\u00e1ch) alebo \u010deln\u00e9\/\u0161pir\u00e1lov\u00e9 koleso (v kon\u0161trukci\u00e1ch s rovnobe\u017en\u00fdmi hriade\u013emi). Toto koleso je prv\u00fdm bodom, kde za\u010d\u00edna transform\u00e1cia v\u00fdkonu.<\/p>\n<\/div>\n

<\/p>\n

Druh\u00fd krok: Prevodov\u00fd mechanizmus \u2013 kde sa r\u00fdchlos\u0165 st\u00e1va kr\u00fatiacim momentom<\/h2>\n

Skuto\u010dn\u00e1 premena prebieha v z\u00e1bere ozuben\u00fdch kolies. Dva ozuben\u00e9 koles\u00e1 \u2013 vstupn\u00e9 (hnac\u00ed) a v\u00fdstupn\u00e9 (hnan\u00fd) \u2013 zaberaj\u00fa svojimi zubami v riadenom valivom a posuvnom kontakte. Tento kontakt vykon\u00e1va tri veci s\u00fa\u010dasne:<\/p>\n

<\/p>\n

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\ud83d\udd04<\/p>\n

Zmen\u00ed os ot\u00e1\u010dania<\/p>\n

V pravouhlej prevodovke v\u00fdvodov\u00e9ho hriade\u013ea presmeruj\u00fa \u0161pir\u00e1lov\u00e9 ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1 v\u00fdkon o 90\u00b0 \u2013 z horizont\u00e1lnej \u010diary v\u00fdvodov\u00e9ho hriade\u013ea do vertik\u00e1lnej roviny, \u010do vy\u017eaduje v\u00e4\u010d\u0161ina \u017eac\u00edch strojov.<\/p>\n<\/div>\n

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\u23ec<\/p>\n

Zni\u017euje r\u00fdchlos\u0165<\/p>\n

Ke\u010f m\u00e1 v\u00fdstupn\u00e9 ozuben\u00e9 koleso viac zubov ako vstupn\u00e9, v\u00fdstupn\u00fd hriade\u013e sa ot\u00e1\u010da pomal\u0161ie. 12-zubov\u00fd vstupn\u00fd hriade\u013e, ktor\u00fd zaber\u00e1 s 18-zubov\u00fdm v\u00fdstupn\u00fdm ozuben\u00fdm kolesom, vytv\u00e1ra zn\u00ed\u017eenie v pomere 1:1,5 \u2013 z 540 ot.\/min sa stane 360 \u200b\u200bot.\/min.<\/p>\n<\/div>\n

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\ud83d\udcaa<\/p>\n

N\u00e1sob\u00ed kr\u00fatiaci moment<\/p>\n

Zachovanie energie: ak sa r\u00fdchlos\u0165 zn\u00ed\u017ei, kr\u00fatiaci moment sa \u00famerne zv\u00fd\u0161i. Tento pomer 1:1,5 poskytuje 1,5-n\u00e1sobok vstupn\u00e9ho kr\u00fatiaceho momentu \u2013 prevodovka vymie\u0148a r\u00fdchlos\u0165 za silu v presnom pomere, ak\u00fd potrebuje dan\u00e9 n\u00e1radie.<\/p>\n<\/div>\n<\/div>\n

\u0160pir\u00e1lov\u00e9 ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1, pou\u017e\u00edvan\u00e9 takmer vo v\u0161etk\u00fdch modern\u00fdch kon\u0161trukci\u00e1ch po\u013enohospod\u00e1rskych prevodoviek, zaberaj\u00fa postupne \u2013 dva alebo tri p\u00e1ry zubov si v ka\u017edom okamihu rozde\u013euj\u00fa za\u0165a\u017eenie, \u010d\u00edm rozkladaj\u00fa silu na \u0161ir\u0161iu kontaktn\u00fa plochu ako priame ozuben\u00e9 koles\u00e1. To po\u010das prev\u00e1dzky sp\u00f4sobuje cite\u013ene menej hluku a vibr\u00e1ci\u00ed.<\/p>\n

<\/p>\n

Tret\u00ed krok: V\u00fdstupn\u00fd hriade\u013e vykon\u00e1va pr\u00e1cu<\/h2>\n

V\u00fdstupn\u00fd hriade\u013e pren\u00e1\u0161a transformovan\u00fd v\u00fdkon \u2013 ni\u017e\u0161iu r\u00fdchlos\u0165, vy\u0161\u0161\u00ed kr\u00fatiaci moment, presmerovan\u00fa os \u2013 z krytu do n\u00e1stroja. Sp\u00f4sob pripojenia z\u00e1vis\u00ed od typu zariadenia: rota\u010dn\u00e1 reza\u010dka odober\u00e1 vertik\u00e1lny v\u00fdstup smerom nadol do pr\u00edruby no\u017ea; rozmetadlo hnoj\u00edv poh\u00e1\u0148a rozmetacie disky horizont\u00e1lne; mie\u0161a\u010dka krmiva vedie v\u00fdkon cez sekund\u00e1rne re\u0165azov\u00e9 alebo reme\u0148ov\u00e9 pohony do syst\u00e9mu z\u00e1vitovky.<\/p>\n

Bez oh\u013eadu na typ n\u00e1radia mus\u00ed by\u0165 v\u00fdstupn\u00fd hriade\u013e podopret\u00fd lo\u017eiskami navrhnut\u00fdmi pre \u0161pecifick\u00fa kombin\u00e1ciu radi\u00e1lneho za\u0165a\u017eenia, axi\u00e1lneho posuvu zo z\u00e1beru ku\u017ee\u013eov\u00e9ho ozuben\u00e9ho kolesa a r\u00e1zov\u00e9ho za\u0165a\u017eenia. Ku\u017eel\u00edkov\u00e9 lo\u017eisk\u00e1 s\u00fa \u0161tandardnou vo\u013ebou pre Prevodovka pohonu v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> v\u00fdstupn\u00e9 hriadele, preto\u017ee s\u00fa\u010dasne pren\u00e1\u0161aj\u00fa radi\u00e1lne aj axi\u00e1lne za\u0165a\u017eenie.<\/p>\n

\"Typy<\/div>\n

<\/p>\n

Konfigur\u00e1cie prevodovky: pravouhl\u00e1, paraleln\u00e1 a plan\u00e9tov\u00e1<\/h2>\n

Nie ka\u017ed\u00e9 n\u00e1radie potrebuje 90-stup\u0148ov\u00e9 ot\u00e1\u010danie. Konfigur\u00e1cia prevodovky sa l\u00ed\u0161i v z\u00e1vislosti od mechanick\u00e9ho usporiadania n\u00e1radia. Pochopenie troch hlavn\u00fdch typov v\u00e1m pom\u00f4\u017ee prisp\u00f4sobi\u0165 prevodovku aplik\u00e1cii.<\/p>\n

<\/p>\n

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\u2699\ufe0f Pravouhl\u00e9 ku\u017ee\u013eov\u00e9 prevodovky<\/p>\n

Najbe\u017enej\u0161ie v po\u013enohospod\u00e1rstve. \u0160pir\u00e1lov\u00e9 ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1 presmeruj\u00fa v\u00fdkon o 90\u00b0 \u2013 zvy\u010dajne z horizont\u00e1lnej na vertik\u00e1lnu. Pou\u017e\u00edvaj\u00fa sa v rota\u010dn\u00e9 fr\u00e9zy<\/a>, rota\u010dn\u00e9 kosa\u010dky, rota\u010dn\u00e9 kultiv\u00e1tory a rydl\u00e1 na jamy. Kompaktn\u00fd kryt umiest\u0148uje vstupn\u00e9 a v\u00fdstupn\u00e9 hriadele kolmo na seba, \u010d\u00edm prirodzene zapadaj\u00fa do geometrie stroja zaoberaj\u00faceho sa zemou.<\/p>\n<\/div>\n

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\ud83d\udd17 Prevodovky s paraleln\u00fdm hriade\u013eom<\/p>\n

\u010celn\u00e9 alebo \u0161pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 so vstupn\u00fdm a v\u00fdstupn\u00fdm hriade\u013eom be\u017eiacim rovnobe\u017ene. Be\u017en\u00e9 tam, kde nie je potrebn\u00e1 zmena smeru \u2013 napr\u00edklad a prevodovka so zvy\u0161ova\u010dom ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> poh\u00e1\u0148anie hydraulick\u00e9ho \u010derpadla v rade s v\u00fdvodov\u00fdm hriade\u013eom traktora. \u0160pir\u00e1lov\u00e9 ozuben\u00e9 koles\u00e1 v jednotk\u00e1ch s rovnobe\u017en\u00fdmi hriade\u013emi be\u017eia tich\u0161ie ako \u010deln\u00e9 ozuben\u00e9 koles\u00e1, preto\u017ee ich \u0161ikm\u00e9 zuby zaberaj\u00fa postupne.<\/p>\n<\/div>\n

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\ud83e\ude90 Plan\u00e9tov\u00e9 prevody<\/p>\n

Extr\u00e9mne zn\u00e1sobenie kr\u00fatiaceho momentu v kompaktnom balen\u00ed. Centr\u00e1lne koleso, okolit\u00e9 plan\u00e9tov\u00e9 koles\u00e1 a vonkaj\u0161ie ozuben\u00e9 koleso dosahuj\u00fa v jednom stupni prevodov\u00e9 pomery 3:1 a\u017e 10:1+. Pou\u017e\u00edva sa v prevodovky mie\u0161a\u010diek krmiva<\/a> a pohony lisov na bal\u00edky s vysokou z\u00e1\u0165a\u017eou, kde je kr\u00fatiaci moment v pomere k fyzickej ve\u013ekosti kritick\u00fd.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Zn\u00ed\u017eenie r\u00fdchlosti vs. zv\u00fd\u0161enie r\u00fdchlosti: Dve opa\u010dn\u00e9 \u00falohy<\/h2>\n

V\u00e4\u010d\u0161ina \u013eud\u00ed si mysl\u00ed, \u017ee ka\u017ed\u00e1 prevodovka PTO veci spoma\u013euje. V skuto\u010dnosti svet po\u013enohospod\u00e1rskej techniky potrebuje zariadenia na zn\u00ed\u017eenie aj zv\u00fd\u0161enie r\u00fdchlosti \u2013 a tie funguj\u00fa na rovnakom mechanickom princ\u00edpe, len naopak.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nReduktor v\u00fdvodov\u00e9ho hriade\u013ea<\/th>\nZvy\u0161ova\u010d ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea<\/th>\n<\/tr>\n<\/thead>\n
Zmena ot\u00e1\u010dok za min\u00fatu<\/td>\n540 \u2192 270 (pr\u00edklad 2:1)<\/td>\n540 \u2192 1080 (pr\u00edklad 1:2)<\/td>\n<\/tr>\n
\u00da\u010dinok kr\u00fatiaceho momentu<\/td>\nDvojit\u00e9 (2\u00d7 vstup)<\/td>\nPolovice (0,5\u00d7 vstup)<\/td>\n<\/tr>\n
Aplik\u00e1cie<\/td>\nRota\u010dn\u00e9 reza\u010dky, bal\u00edkovacie lisy, mie\u0161a\u010dky krmiva, kultiv\u00e1tory<\/td>\nPohony hydraulick\u00fdch \u010derpadiel, gener\u00e1tory, d\u00fachadl\u00e1<\/td>\n<\/tr>\n
Be\u017en\u00e9 pomery<\/td>\n1:1.47, 1:1.92, 1:2.4, 1:3<\/td>\n1:1.5, 1:2, 1:2.5, 1:4<\/td>\n<\/tr>\n
Ozuben\u00e9 oko<\/td>\nMen\u0161ie ozuben\u00e9 koleso poh\u00e1\u0148a v\u00e4\u010d\u0161ie ozuben\u00e9 koleso<\/td>\nV\u00e4\u010d\u0161ie ozuben\u00e9 koleso poh\u00e1\u0148a men\u0161ie ozuben\u00e9 koleso<\/td>\n<\/tr>\n
Tepeln\u00e9 obavy<\/td>\nMierne \u2013 ni\u017e\u0161ie r\u00fdchlosti, menej tepla<\/td>\nVy\u0161\u0161ie \u2014 zv\u00fd\u0161en\u00e9 r\u00fdchlosti, v\u00e4\u010d\u0161ie trenie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

A reduk\u010dn\u00fd prevod v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> vy\u017eaduje 540 alebo 1 000 ot.\/min. a dosahuje ni\u017e\u0161iu r\u00fdchlos\u0165 pri vy\u0161\u0161om kr\u00fatiacom momente \u2013 to, \u010do potrebuj\u00fa rota\u010dn\u00e9 reza\u010dky, lisy na bal\u00edky a kultiv\u00e1tory. A zvy\u0161ova\u010d r\u00fdchlosti pre hydraulick\u00e9 \u010derpadl\u00e1<\/strong> rob\u00ed opak: zvy\u0161uje ot\u00e1\u010dky v\u00fdvodov\u00e9ho hriade\u013ea na 1500 \u2013 3000 ot.\/min. pre pohony \u010derpadiel, kde je po\u017eiadavka na kr\u00fatiaci moment relat\u00edvne n\u00edzka. Oba pou\u017e\u00edvaj\u00fa rovnak\u00fa fyziku z\u00e1beru ozuben\u00fdch kolies \u2013 jedin\u00fd rozdiel je v tom, ktor\u00fd hriade\u013e nesie v\u00e4\u010d\u0161ie ozuben\u00e9 koleso.<\/p>\n

<\/p>\n

\u00daloha mazania pri prenose v\u00fdkonu<\/h2>\n

Prevodov\u00fd olej nie je len mazivo \u2013 je akt\u00edvnou zlo\u017ekou v procese prenosu v\u00fdkonu. Medzi 2% a 5% sa vstupn\u00fd v\u00fdkon str\u00e1ca tren\u00edm a takmer v\u0161etok sa premie\u0148a na teplo. Olej toto teplo absorbuje, pren\u00e1\u0161a ho na steny krytu a rozpty\u013euje ho do okolit\u00e9ho vzduchu.<\/p>\n

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\ud83d\udee2\ufe0f Z\u00e1kladn\u00e9 lubrika\u010dn\u00e9 potreby<\/p>\n

\u25cf<\/span><\/p>\n

Prevodov\u00e9 oleje EP (extr\u00e9mne tlakov\u00e9)<\/strong> obsahuj\u00fa s\u00edrovo-fosforov\u00e9 pr\u00edsady, ktor\u00e9 pri vysokom kontaktnom tlaku vytv\u00e1raj\u00fa ochrann\u00fa chemick\u00fa vrstvu \u2013 zabra\u0148uj\u00fa zv\u00e1raniu a odieraniu pri stla\u010den\u00ed tenk\u00e9ho olejov\u00e9ho filmu.<\/p>\n<\/div>\n

\u25cf<\/span><\/p>\n

SAE 80W-90 EP<\/strong> poskytuje spr\u00e1vnu rovnov\u00e1hu medzi prietokom v chladnom po\u010das\u00ed a pevnos\u0165ou filmu pri vysok\u00fdch teplot\u00e1ch pre v\u00e4\u010d\u0161inu po\u013enohospod\u00e1rskych aplik\u00e1ci\u00ed.<\/p>\n<\/div>\n

\u25cf<\/span><\/p>\n

Vymie\u0148ajte ka\u017ed\u00fdch 100 prev\u00e1dzkov\u00fdch hod\u00edn<\/strong> na odstr\u00e1nenie ne\u010dist\u00f4t (vniknutie vody, kovov\u00e9 \u010dastice) sk\u00f4r, ako sp\u00f4sobia merate\u013en\u00e9 \u0161kody.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

S\u00fahrn toku v\u00fdkonu: Motor na implement\u00e1ciu<\/h2>\n

Tu je kompletn\u00fd re\u0165azec pohonu od motora a\u017e po v\u00fdstup n\u00e1radia s typickou \u00fa\u010dinnos\u0165ou v ka\u017edej f\u00e1ze:<\/p>\n

\n\n\n\n\n\n\n\n\n
Javisko<\/th>\nKomponent<\/th>\nEfekt\u00edvnos\u0165<\/th>\nHP (od motora s v\u00fdkonom 75 HP)<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nMotor \u2192 V\u00fdvodov\u00fd hriade\u013e (prevodovka)<\/td>\n82\u201387%<\/td>\n~63 kon\u00ed<\/td>\n<\/tr>\n
2<\/td>\nPohon v\u00fdvodov\u00e9ho hriade\u013ea (u-k\u013aby, klzn\u00fd k\u013ab)<\/td>\n96\u201398%<\/td>\n~61 kon\u00ed<\/td>\n<\/tr>\n
3<\/td>\nPrevodovka pohonu v\u00fdvodov\u00e9ho hriade\u013ea (z\u00e1ber ozuben\u00fdch kolies, lo\u017eisk\u00e1)<\/td>\n95\u201398%<\/td>\n~59 kon\u00ed<\/td>\n<\/tr>\n
4<\/td>\nPohon n\u00e1radia (re\u0165aze, remene, ozuben\u00e9 koles\u00e1)<\/td>\n90\u201395%<\/td>\n~55 HP v pracovnom bode<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Z motora s v\u00fdkonom 75 kon\u00ed v skuto\u010dnosti vykon\u00e1 pr\u00e1cu pribli\u017ene 55 kon\u00ed. Prevodovka s pohonom v\u00fdvodov\u00e9ho hriade\u013ea je jedn\u00fdm z najefekt\u00edvnej\u0161\u00edch \u010dl\u00e1nkov \u2013 dobre vyroben\u00e1 jednotka str\u00e1ca iba 2\u20135%. Rozdiel medzi \u00fa\u010dinnou prevodovkou 95% a 98%, ktor\u00fd sa s\u010d\u00edtava po\u010das tis\u00edcok hod\u00edn, sa premieta do skuto\u010dn\u00fdch \u00faspor paliva a zn\u00ed\u017een\u00e9ho tepeln\u00e9ho nam\u00e1hania v\u0161etk\u00fdch n\u00e1sledn\u00fdch komponentov.<\/p>\n

\"Preh\u013ead<\/div>\n

<\/p>\n

Ako sa kon\u0161trukcia prevodovky l\u00ed\u0161i pod\u013ea typu n\u00e1radia<\/h2>\n

Princ\u00edp premeny v\u00fdkonu zost\u00e1va rovnak\u00fd vo v\u0161etk\u00fdch zariadeniach poh\u00e1\u0148an\u00fdch v\u00fdvodov\u00fdm hriade\u013eom, ale po\u017eiadavky na n\u00e1radie formuj\u00fa prevodovku ve\u013emi odli\u0161n\u00fdmi sp\u00f4sobmi:<\/p>\n

<\/p>\n

\n
\ud83c\udf3f<\/span><\/p>\n
\n

Rota\u010dn\u00e9 fr\u00e9zy \u2013 odolnos\u0165 vo\u010di n\u00e1razu<\/p>\n

Kontakt \u010depele s kame\u0148mi a p\u0148ami generuje kr\u00fatiace momenty 3\u20135-n\u00e1sobok norm\u00e1lneho prev\u00e1dzkov\u00e9ho za\u0165a\u017eenia. Tieto prevodovky pou\u017e\u00edvaj\u00fa stri\u017en\u00e9 skrutky, klzn\u00e9 spojky a kryty z tv\u00e1rnej liatiny na absorbovanie n\u00e1razov a nie na praskanie.<\/p>\n<\/div>\n<\/div>\n

\ud83c\udf3e<\/span><\/p>\n
\n

Lisy na okr\u00fahle bal\u00edky \u2013 trval\u00e9 cyklick\u00e9 za\u0165a\u017eenie<\/p>\n

Kr\u00fatiaci moment sa postupne zvy\u0161uje s rast\u00facim bal\u00edkom. Viacstup\u0148ov\u00e9 redukcie od 3:1 do 5:1 poskytuj\u00fa ve\u013emi vysok\u00fd kr\u00fatiaci moment pri n\u00edzkych v\u00fdstupn\u00fdch ot\u00e1\u010dkach, pri\u010dom tepeln\u00fd mana\u017ement a odolnos\u0165 lo\u017e\u00edsk s\u00fa uprednost\u0148ovan\u00e9 pred odolnos\u0165ou vo\u010di n\u00e1razu.<\/p>\n<\/div>\n<\/div>\n

\ud83d\udca7<\/span><\/p>\n
\n

Pohony hydraulick\u00fdch \u010derpadiel \u2013 vysok\u00e1 r\u00fdchlos\u0165, n\u00edzky kr\u00fatiaci moment<\/p>\n

Prevodovka zvy\u0161uje ot\u00e1\u010dky hydraulick\u00fdch \u010derpadiel z 540 ot.\/min. na 1 500 \u2013 2 500 ot.\/min. Tepeln\u00fd mana\u017ement je kritick\u00fd, preto\u017ee zv\u00fd\u0161en\u00e9 ot\u00e1\u010dky vytv\u00e1raj\u00fa viac trecieho tepla a tieto jednotky \u010dasto be\u017eia nepretr\u017eite cel\u00e9 hodiny.<\/p>\n<\/div>\n<\/div>\n

\ud83e\uddea<\/span><\/p>\n
\n

Rozmetadl\u00e1 hnoj\u00edv \u2013 chemick\u00e1 odolnos\u0165<\/p>\n

Kysl\u00e9 a so\u013en\u00e9 zl\u00fa\u010deniny nap\u00e1daj\u00fa oce\u013eov\u00e9 povrchy. Prevodovky rozmetadiel s\u00fa vybaven\u00e9 antikor\u00f3znymi n\u00e1termi, nerezov\u00fdmi prvkami a vylep\u0161enou technol\u00f3giou tesnenia. Prevodov\u00e9 pomery s\u00fa mierne (1:1 a\u017e 1:1,5), preto\u017ee po\u017eiadavky na r\u00fdchlos\u0165 rozmetadla nie s\u00fa extr\u00e9mne.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Zn\u00e1mky toho, \u017ee va\u0161a prevodovka str\u00e1ca \u00fa\u010dinnos\u0165<\/h2>\n

Prevodovka, ktor\u00e1 str\u00e1ca \u00fa\u010dinnos\u0165 konverzie, v\u00e1m pred \u00fapln\u00fdm zlyhan\u00edm signalizuje nieko\u013eko varovn\u00fdch sign\u00e1lov. V\u010dasn\u00e9 rozpoznanie t\u00fdchto sign\u00e1lov zachr\u00e1ni va\u0161u prevodovku \u2013 a va\u0161u sez\u00f3nu:<\/p>\n

\n
\u26a0\ufe0f<\/span><\/p>\n

Nezvy\u010dajn\u00fd hluk pri za\u0165a\u017een\u00ed<\/strong> \u2014 V novom stave sa nepo\u010dulo \u0161kr\u00edpanie, kv\u00edlenie ani klepanie. Kv\u00edlenie ozuben\u00e9ho kolesa nazna\u010duje opotrebovanie povrchu; klepanie poukazuje na po\u0161kodenie zubov alebo lo\u017eiska.<\/p>\n<\/div>\n

\u26a0\ufe0f<\/span><\/p>\n

Nadmern\u00e1 teplota krytu<\/strong> \u2014 Pr\u00edli\u0161 vysok\u00e1 teplota na dotyk (nad ~180 \u00b0F \/ 82 \u00b0C) po\u010das be\u017enej prev\u00e1dzky znamen\u00e1 nadmern\u00e9 trenie v d\u00f4sledku degradovan\u00e9ho oleja, opotrebovan\u00fdch lo\u017e\u00edsk alebo nadmernej v\u00f4le.<\/p>\n<\/div>\n

\u26a0\ufe0f<\/span><\/p>\n

\u00daniky oleja na tesneniach hriade\u013ea<\/strong> \u2014 Ak\u00e9ko\u013evek vidite\u013en\u00e9 \u00faniky oleja tie\u017e znamenaj\u00fa, \u017ee do prevodovky vstupuj\u00fa ne\u010distoty. \u00danik m\u00f4\u017ee by\u0165 mal\u00fd, ale kontamin\u00e1cia, ktor\u00fa umo\u017e\u0148uje, sp\u00f4sobuje ur\u00fdchlenie vn\u00fatorn\u00e9ho po\u0161kodenia.<\/p>\n<\/div>\n

\u26a0\ufe0f<\/span><\/p>\n

Vibr\u00e1cie cez r\u00e1m stroja<\/strong> \u2014 Opotrebovan\u00e9 ozuben\u00e9 koles\u00e1 alebo lo\u017eisk\u00e1 pren\u00e1\u0161aj\u00fa cyklick\u00e9 vibr\u00e1cie, ktor\u00e9 v \u010dase, ke\u010f bola jednotka nov\u00e1, neexistovali. To tie\u017e ur\u00fdch\u013euje opotrebovanie v\u0161etk\u00fdch pripojen\u00fdch komponentov.<\/p>\n<\/div>\n<\/div>\n

Odhalenie probl\u00e9mov v po\u010diato\u010dnom \u0161t\u00e1diu pr\u00edznakov \u010dasto znamen\u00e1 v\u00fdmenu tesnenia alebo lo\u017eiska, a nie \u00fapln\u00fa gener\u00e1lnu opravu prevodovky.<\/p>\n

\"V\u00fdroba<\/div>\n

<\/p>\n

V\u00fdber spr\u00e1vnej prevodovky pohonu v\u00fdvodov\u00e9ho hriade\u013ea<\/h2>\n

V\u00fdber spr\u00e1vnej prevodovky z\u00e1vis\u00ed od \u0161tyroch parametrov, ktor\u00e9 zodpovedaj\u00fa kombin\u00e1cii v\u00e1\u0161ho stroja a traktora:<\/p>\n

<\/p>\n

\n
1<\/span><\/p>\n

Kompatibilita ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> \u2014 Vstupn\u00e9 ot\u00e1\u010dky 540 alebo 1 000 ot.\/min. so spr\u00e1vnou konfigur\u00e1ciou dr\u00e1\u017eok. Nikdy neupravujte r\u00f4zne menovit\u00e9 ot\u00e1\u010dky bez overenia, \u010di s\u00fa v\u0161etky vn\u00fatorn\u00e9 komponenty dimenzovan\u00e9 na skuto\u010dn\u00e9 prev\u00e1dzkov\u00e9 ot\u00e1\u010dky.<\/p>\n<\/div>\n

2<\/span><\/p>\n

Prevodov\u00fd pomer pre zam\u00fd\u0161\u013ean\u00fd v\u00fdkon<\/strong> \u2014 Ur\u010dte r\u00fdchlos\u0165 a kr\u00fatiaci moment, ktor\u00e9 va\u0161e n\u00e1radie potrebuje, a potom vyberte prevodov\u00fd pomer, ktor\u00fd ho zabezpe\u010d\u00ed z ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea v\u00e1\u0161ho traktora.<\/p>\n<\/div>\n

3<\/span><\/p>\n

Kr\u00fatiaci moment s bezpe\u010dnostnou rezervou<\/strong> \u2014 Aplik\u00e1cie n\u00e1chyln\u00e9 na n\u00e1razy potrebuj\u00fa \u2265150% nad ust\u00e1len\u00fdm stavom. Aplik\u00e1cie s nepretr\u017eitou prev\u00e1dzkou (\u010derpadl\u00e1, gener\u00e1tory) m\u00f4\u017eu pou\u017e\u00edva\u0165 125%.<\/p>\n<\/div>\n

4<\/span><\/p>\n

Fyzick\u00e1 mont\u00e1\u017e a rozmery hriade\u013ea<\/strong> \u2014 Rozmiestnenie skrutiek, profil telesa, priemer v\u00fdstupn\u00e9ho hriade\u013ea a smer ot\u00e1\u010dania sa musia zhodova\u0165. Rozmerov\u00fd nes\u00falad je naj\u010dastej\u0161\u00edm d\u00f4vodom vr\u00e1tenia tovaru.<\/p>\n<\/div>\n<\/div>\n

Ak si nie ste ist\u00ed \u0161pecifik\u00e1ciami, kontaktujte n\u00e1\u0161 technick\u00fd t\u00edm<\/a> porovna\u0165 s va\u0161ou existuj\u00facou prevodovkou alebo vypo\u010d\u00edta\u0165 po\u017eiadavky z \u00fadajov o va\u0161om stroji. M\u00f4\u017eete si tie\u017e prezrie\u0165 kompletn\u00fd Katal\u00f3g prevodoviek PTO<\/a> zobrazi\u0165 dostupn\u00e9 konfigur\u00e1cie pod\u013ea typu aplik\u00e1cie a pomeru.<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nAk\u00fd je rozdiel medzi prevodovkou s pohonom v\u00fdvodov\u00e9ho hriade\u013ea a v\u00fdvodov\u00fdm hriade\u013eom?+<\/span><\/summary>\n
\n

V\u00fdvodov\u00fd hriade\u013e je rotuj\u00faci hnac\u00ed mechanizmus, ktor\u00fd pren\u00e1\u0161a v\u00fdkon z \u010dapu v\u00fdvodov\u00e9ho hriade\u013ea traktora do n\u00e1radia. Prevodovka pohonu v\u00fdvodov\u00e9ho hriade\u013ea je uzavret\u00fd prevodov\u00fd mechanizmus na n\u00e1rad\u00ed, ktor\u00fd prij\u00edma a premie\u0148a tento v\u00fdkon \u2013 men\u00ed r\u00fdchlos\u0165, kr\u00fatiaci moment a \u010dasto aj smer ot\u00e1\u010dania. Hriade\u013e pren\u00e1\u0161a v\u00fdkon; prevodovka ho transformuje.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nM\u00f4\u017ee jedna prevodovka PTO fungova\u0165 na r\u00f4znych n\u00e1radiach?+<\/span><\/summary>\n
\n

Iba ak mont\u00e1\u017eny vzor, \u200b\u200bprevodov\u00fd pomer, rozmery v\u00fdstupn\u00e9ho hriade\u013ea a smer ot\u00e1\u010dania zodpovedaj\u00fa po\u017eiadavk\u00e1m ka\u017ed\u00e9ho n\u00e1stroja. V praxi je v\u00e4\u010d\u0161ina prevodoviek navrhnut\u00e1 pre konkr\u00e9tny typ n\u00e1stroja. Prevodovku v\u017edy prisp\u00f4sobte \u0161pecifik\u00e1cii n\u00e1stroja.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nPre\u010do sa moja prevodovka v\u00fdvodov\u00e9ho hriade\u013ea po\u010das prev\u00e1dzky zahrieva?+<\/span><\/summary>\n
\n

Ur\u010dit\u00e9 teplo je norm\u00e1lne \u2013 2\u20135% vstupn\u00e9ho v\u00fdkonu sa premie\u0148a na teplo z trenia. Nadmern\u00e9 teplo nazna\u010duje n\u00edzku hladinu oleja, degradovan\u00fd alebo nespr\u00e1vne viskozn\u00fd olej, opotrebovan\u00e9 lo\u017eisk\u00e1 alebo neust\u00e1le pre\u0165a\u017eovanie nad r\u00e1mec menovit\u00fdch hodn\u00f4t prevodovky. Najprv skontrolujte hladinu a stav oleja.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\n\u010co vlastne znamen\u00e1 \u010d\u00edslo prevodov\u00e9ho pomeru?+<\/span><\/summary>\n
\n

Pomer 1:1,5 znamen\u00e1, \u017ee vstupn\u00fd hriade\u013e sa oto\u010d\u00ed 1,5-kr\u00e1t na jednu ot\u00e1\u010dku v\u00fdstupu. V\u00fdstup sa ot\u00e1\u010da pomal\u0161ie, ale s 1,5-n\u00e1sobn\u00fdm kr\u00fatiacim momentom. Pomer 1:1 prep\u00fa\u0161\u0165a v\u00fdkon nezmenen\u00fd. Pomer 2:1 (zv\u00fd\u0161enie ot\u00e1\u010dok) znamen\u00e1, \u017ee v\u00fdstup sa oto\u010d\u00ed dvakr\u00e1t na jednu ot\u00e1\u010dku vstupu s polovi\u010dn\u00fdm kr\u00fatiacim momentom.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJe prevodovka s v\u00fdvodov\u00fdm hriade\u013eom 540 ot.\/min. lep\u0161ia ako prevodovka s 1000 ot.\/min.?+<\/span><\/summary>\n
\n

Ani jeden z nich nie je vo svojej podstate lep\u0161\u00ed. 540 ot.\/min je \u0161tandardom pre traktory s v\u00fdkonom do pribli\u017ene 100 kon\u00ed; 1000 ot.\/min je ur\u010den\u00fd pre traktory s vy\u0161\u0161\u00edm v\u00fdkonom, ktor\u00e9 potrebuj\u00fa v\u00e4\u010d\u0161\u00ed v\u00fdkon s men\u0161\u00edmi komponentmi hnacieho \u00fastrojenstva. Spr\u00e1vna vo\u013eba z\u00e1vis\u00ed od v\u00e1\u0161ho traktora a poh\u00e1\u0148an\u00e9ho n\u00e1radia.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nAk\u00e1 je \u00fa\u010dinnos\u0165 typickej prevodovky s pohonom v\u00fdvodov\u00e9ho hriade\u013ea?+<\/span><\/summary>\n
\n

Dobre vyroben\u00e1 jednostup\u0148ov\u00e1 ku\u017ee\u013eov\u00e1 jednotka pracuje s mechanickou \u00fa\u010dinnos\u0165ou 95 \u2013 981 kon\u00ed TP3T. Na ka\u017ed\u00fdch 100 kon\u00ed vstupn\u00e9ho v\u00fdkonu sa na v\u00fdstupn\u00fd hriade\u013e dostane 95 \u2013 98 kon\u00ed. Pravideln\u00e1 v\u00fdmena oleja a \u00fadr\u017eba lo\u017e\u00edsk zachov\u00e1vaj\u00fa \u00fa\u010dinnos\u0165 po\u010das celej \u017eivotnosti.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nM\u00f4\u017eem si s\u00e1m zrekon\u0161truova\u0165 prevodovku v\u00fdvodov\u00e9ho hriade\u013ea?+<\/span><\/summary>\n
\n

V\u00fdmena tesnen\u00ed, lo\u017e\u00edsk a oleja je so z\u00e1kladn\u00fdmi zru\u010dnos\u0165ami jednoduch\u00e1. V\u00fdmena ozuben\u00e9ho kolesa si v\u0161ak vy\u017eaduje presn\u00e9 nastavenie v\u00f4le a predp\u00e4tia lo\u017e\u00edsk \u2013 chyby sp\u00f4sobuj\u00fa pred\u010dasn\u00e9 zlyhanie. Ak s\u00fa ozuben\u00e9 koles\u00e1 po\u0161koden\u00e9, kompletn\u00e1 v\u00fdmena je zvy\u010dajne n\u00e1kladovo efekt\u00edvnej\u0161ia ako z\u00edskavanie jednotliv\u00fdch p\u00e1rov a \u0161pecializovan\u00e9ho n\u00e1radia.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

\n

Potrebujete pom\u00f4c\u0165 s v\u00fdberom spr\u00e1vnej prevodovky pohonu v\u00fdvodov\u00e9ho hriade\u013ea?<\/h2>\n

Ve\u010dn\u00e1 sila<\/a> sa \u0161pecializuje na prisp\u00f4sobenie konfigur\u00e1ci\u00ed prevodoviek PTO \u0161pecifick\u00fdm po\u013enohospod\u00e1rskym a priemyseln\u00fdm aplik\u00e1ci\u00e1m. Od jednotliv\u00fdch n\u00e1hradn\u00fdch dielov a\u017e po kompletn\u00e9 programy v\u00fdvoja OEM \u2013 dod\u00e1vame presn\u00e9 prevodovkov\u00e9 rie\u0161enia podlo\u017een\u00e9 pr\u00edsnym testovan\u00edm kvality.<\/p>\n

Porozpr\u00e1vajte sa s na\u0161imi odborn\u00edkmi na prevodovky<\/a><\/p>\n<\/div>\n

Redaktor: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Ako prevodovka s v\u00fdvodov\u00fdm hriade\u013eom premie\u0148a v\u00fdkon traktora \u010co sa vlastne deje medzi okamihom, ke\u010f sa v\u00fdvodov\u00fd hriade\u013e traktora za\u010dne ot\u00e1\u010da\u0165, a okamihom, ke\u010f sa va\u0161e n\u00e1radie za\u010dne pou\u017e\u00edva\u0165? Odpove\u010f sa nach\u00e1dza vo vn\u00fatri prevodovky. Porozpr\u00e1vajte sa s na\u0161imi odborn\u00edkmi na prevodovky Kde poch\u00e1dza v\u00fdkon traktora \u2013 \u010dap v\u00fdvodov\u00e9ho hriade\u013ea Ka\u017ed\u00fd traktor so zadn\u00fdm v\u00fdvodov\u00fdm hriade\u013eom m\u00e1 [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[4042],"tags":[],"class_list":["post-1150","post","type-post","status-publish","format-standard","hentry","category-agricultural-gearbox"],"_links":{"self":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/comments?post=1150"}],"version-history":[{"count":2,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1150\/revisions"}],"predecessor-version":[{"id":1181,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1150\/revisions\/1181"}],"wp:attachment":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/media?parent=1150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/categories?post=1150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/tags?post=1150"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}