{"id":1297,"date":"2026-06-18T08:49:44","date_gmt":"2026-06-18T08:49:44","guid":{"rendered":"https:\/\/pto-gearbox.net\/?p=1297"},"modified":"2026-06-18T08:49:44","modified_gmt":"2026-06-18T08:49:44","slug":"disc-mower-gearbox-cutter-bar-drive-engineering","status":"publish","type":"post","link":"https:\/\/pto-gearbox.net\/sk\/disc-mower-gearbox-cutter-bar-drive-engineering\/","title":{"rendered":"Prevodovka diskovej kosa\u010dky: Pohon \u017eacej li\u0161ty"},"content":{"rendered":"
\n
<\/div>\n
\n

Prevodovka diskovej kosa\u010dky: Pohon \u017eacej li\u0161ty<\/h1>\n

\u017dacia li\u0161ta diskovej kosa\u010dky ot\u00e1\u010da ka\u017ed\u00fdm \u017eac\u00edm kot\u00fa\u010dom r\u00fdchlos\u0165ou 2 800 a\u017e 3 200 ot.\/min \u2013 viac ako 50 ot\u00e1\u010dok za sekundu \u2013 zatia\u013e \u010do cel\u00e1 zostava li\u0161ty je \u0165ahan\u00e1 po nerovnom ter\u00e9ne r\u00fdchlos\u0165ou 12 a\u017e 20 km\/h. Prevodovka poh\u00e1\u0148aj\u00faca t\u00fato \u017eaciu li\u0161tu mus\u00ed zv\u00fd\u0161i\u0165 ot\u00e1\u010dky v\u00fdvodov\u00e9ho hriade\u013ea traktora z 540 alebo 1 000 ot.\/min. na po\u017eadovan\u00fa r\u00fdchlos\u0165 disku, rozdeli\u0165 tento v\u00fdkon s\u00fa\u010dasne na 4 a\u017e 9 \u017eac\u00edch kot\u00fa\u010dov a odola\u0165 ne\u00faprosn\u00fdm vibr\u00e1ci\u00e1m, teplu a ob\u010dasn\u00fdm n\u00e1razom sk\u00e1l, ktor\u00e9 definuj\u00fa prostredie diskov\u00e9ho kosenia. Spr\u00e1vna \u0161pecifik\u00e1cia prevodovky je rozdielom medzi strojom, ktor\u00fd kos\u00ed \u010disto viac ako 3 000 hod\u00edn, a strojom, ktor\u00fd zlyh\u00e1 uprostred sez\u00f3ny s opotrebovan\u00fdm ozuben\u00fdm prevodom.<\/p>\n

Z\u00edskajte cenov\u00fa ponuku na prevodovku<\/a><\/p>\n<\/div>\n<\/div>\n

\n

<\/p>\n

Ako funguje prevodov\u00fd syst\u00e9m diskovej kosa\u010dky<\/h2>\n

Pohonn\u00fd syst\u00e9m diskovej kosa\u010dky sa z\u00e1sadne l\u00ed\u0161i od pravouhlej prevodovky s jedn\u00fdm v\u00fdstupom, ktor\u00e1 sa pou\u017e\u00edva v... rota\u010dn\u00e1 kosa\u010dka alebo cepov\u00e1 kosa\u010dka<\/a>Namiesto jednej prevodovky poh\u00e1\u0148aj\u00facej jedno vreteno no\u017ea pou\u017e\u00edva diskov\u00e1 kosa\u010dka viacstup\u0148ov\u00fd prevodov\u00fd mechanizmus umiestnen\u00fd vo vn\u00fatri plochej, utesnenej \u017eacej li\u0161ty, ktor\u00e1 rozde\u013euje v\u00fdkon z jedn\u00e9ho vstupu v\u00fdvodov\u00e9ho hriade\u013ea na viacero rezac\u00edch diskov usporiadan\u00fdch v rade po celej pracovnej \u0161\u00edrke. Samotn\u00e1 \u017eacia li\u0161ta je prevodovka \u2013 presne opracovan\u00fd kryt v olejovom k\u00fapeli obsahuj\u00faci s\u00e9riu vz\u00e1jomne zaberaj\u00facich ozuben\u00fdch kolies, ktor\u00e9 pren\u00e1\u0161aj\u00fa rot\u00e1ciu z disku na disk pozd\u013a\u017e celej d\u013a\u017eky li\u0161ty.<\/p>\n

Architekt\u00fara pohonu za\u010d\u00edna u hlavnej vstupnej prevodovky \u2013 pravouhlej ku\u017ee\u013eovej prevodovky, ktor\u00e1 premie\u0148a horizont\u00e1lne ot\u00e1\u010danie v\u00fdvodov\u00e9ho hriade\u013ea na vertik\u00e1lne ot\u00e1\u010danie v s\u00falade s ozuben\u00fdm prevodom \u017eacej li\u0161ty. T\u00e1to hlavn\u00e1 prevodovka tie\u017e zabezpe\u010duje prim\u00e1rne zv\u00fd\u0161enie r\u00fdchlosti: typick\u00fd pomer 1:3 a\u017e 1:5 zvy\u0161uje vstupn\u00e9 ot\u00e1\u010dky v\u00fdvodov\u00e9ho hriade\u013ea s 540 ot.\/min. a\u017e na 1 600 a\u017e 2 700 ot.\/min. na vstupnom hriadeli \u017eacej li\u0161ty. Vn\u00fatorn\u00e9 ozuben\u00e9 koleso \u017eacej li\u0161ty potom rozde\u013euje toto ot\u00e1\u010danie na ka\u017ed\u00fd disk, pri\u010dom striedav\u00e9 ozuben\u00e9 koles\u00e1 menia smer ot\u00e1\u010dania susedn\u00fdch diskov \u2013 tento kon\u0161truk\u010dn\u00fd prvok vytv\u00e1ra prekr\u00fdvaj\u00face sa rezn\u00e9 z\u00f3ny medzi susedn\u00fdmi diskami pre \u010dist\u00fd rez bez medzier.<\/p>\n

Kone\u010dn\u00e1 r\u00fdchlos\u0165 disku z\u00e1vis\u00ed od prevodov\u00e9ho pomeru \u010deln\u00e9ho prevodu v \u017eacej li\u0161te. V\u00e4\u010d\u0161ina diskov\u00fdch kosa\u010diek dosahuje kone\u010dn\u00fa r\u00fdchlos\u0165 disku 2 800 a\u017e 3 200 ot.\/min. kombin\u00e1ciou hlavn\u00e9ho prevodov\u00e9ho stup\u0148a a vn\u00fatorn\u00fdch prevodov\u00fdch pomerov \u010deln\u00e9ho prevodu. Pri t\u00fdchto r\u00fdchlostiach dosahuje obvodov\u00e1 r\u00fdchlos\u0165 rezacieho disku 60 a\u017e 80 m\/s \u2013 porovnate\u013en\u00e1 s r\u00fdchlos\u0165ou hrotu no\u017ea rota\u010dnej kosa\u010dky \u2013 \u010do vytv\u00e1ra vysoko\u00fa\u010dinn\u00fd rezn\u00fd \u00fa\u010dinok, ktor\u00fd umo\u017e\u0148uje diskov\u00fdm kosa\u010dk\u00e1m \u010disto kosi\u0165 stojace seno, tr\u00e1vu a tenk\u00e9 kr\u00edky bez trhania a otla\u010denia, ktor\u00e9 sp\u00f4sobuj\u00fa pomal\u0161ie rezacie mechanizmy. Porovnanie s rota\u010dn\u00fdmi \u017eac\u00edmi syst\u00e9mami s jedn\u00fdm no\u017eom n\u00e1jdete v na\u0161ej technickej pr\u00edru\u010dke na prevodovka pre rota\u010dn\u00e9 fr\u00e9zy<\/a>.<\/p>\n

\n
\"Prevodovka<\/div>\n

Prevodovka \u017eacej li\u0161ty \u2014 viacdiskov\u00fd pohonn\u00fd syst\u00e9m s prepojen\u00fdmi ozuben\u00fdmi kolesami pre synchronizovan\u00e9 ot\u00e1\u010danie diskov po celej \u0161\u00edrke rezu<\/p>\n<\/div>\n

<\/p>\n

Synchroniz\u00e1cia viacer\u00fdch diskov: Kon\u0161trukcia ozuben\u00e9ho prevodu vo vn\u00fatri \u017eacej li\u0161ty<\/h2>\n

Ozuben\u00e9 koleso vo vn\u00fatri \u017eacej li\u0161ty je technick\u00fdm srdcom ka\u017edej diskovej kosa\u010dky. Ka\u017ed\u00fd \u017eac\u00ed disk je namontovan\u00fd na zvislom hriadeli podopretom lo\u017eiskami v kryte \u017eacej li\u0161ty a ka\u017ed\u00fd hriade\u013e nesie \u010deln\u00e9 ozuben\u00e9 koleso, ktor\u00e9 zaber\u00e1 so susedn\u00fdm. Usporiadanie ozuben\u00fdch kolies vytv\u00e1ra mechanick\u00e9 prepojenie, ktor\u00e9 n\u00fati v\u0161etky disky ot\u00e1\u010da\u0165 sa presne synchronizovan\u00fdmi r\u00fdchlos\u0165ami \u2013 ak sa jeden disk spomal\u00ed v d\u00f4sledku ve\u013ek\u00e9ho za\u0165a\u017eenia plodinou, ozuben\u00e9 koleso rozlo\u017e\u00ed odpor medzi v\u0161etky disky, namiesto toho, aby pre\u0165a\u017een\u00fd disk s\u00e1m zastavil.<\/p>\n

Striedav\u00fd vzorec ot\u00e1\u010dania (v smere hodinov\u00fdch ru\u010di\u010diek \u2013 proti smeru hodinov\u00fdch ru\u010di\u010diek \u2013 v smere hodinov\u00fdch ru\u010di\u010diek) je vlastn\u00fd z\u00e1beru ozuben\u00fdch kolies s \u010deln\u00fdm ozuben\u00fdm kolesom \u2013 ka\u017ed\u00e9 ozuben\u00e9 koleso obracia ot\u00e1\u010danie susedn\u00e9ho ozuben\u00e9ho kolesa. Toto protismern\u00e9 ot\u00e1\u010danie vytv\u00e1ra z\u00f3nu prekrytia medzi susedn\u00fdmi diskami, kde rezn\u00e9 hrany susedn\u00fdch diskov prech\u00e1dzaj\u00fa tou istou vertik\u00e1lnou rovinou z opa\u010dn\u00fdch smerov, \u010d\u00edm sa zabezpe\u010d\u00ed, \u017ee medzi diskami nezostane \u017eiadny neporezan\u00fd p\u00e1s. Rozmer prekrytia je typicky 50 a\u017e 80 mm a je dan\u00fd priemerom disku, rozstupom diskov a presahom \u010depele za vonkaj\u0161\u00ed priemer ka\u017ed\u00e9ho disku.<\/p>\n

Po\u010det diskov ur\u010duje \u0161\u00edrku kosenia a celkov\u00fd potrebn\u00fd v\u00fdkon. 7-diskov\u00e1 kosa\u010dka so \u0161\u00edrkou kosenia 2,4 metra vy\u017eaduje pribli\u017ene 25 a\u017e 35 kon\u00ed na v\u00fdvodovom hriadeli. 9-diskov\u00e1 kosa\u010dka so \u0161\u00edrkou kosenia 3,2 metra vy\u017eaduje 40 a\u017e 55 kon\u00ed. Ka\u017ed\u00fd \u010fal\u0161\u00ed disk prid\u00e1va kosiaci v\u00fdkon pre svoj podiel pracovnej \u0161\u00edrky a parazitn\u00e9 straty z jedn\u00e9ho \u010fal\u0161ieho z\u00e1beru ozuben\u00fdch kolies v s\u00fakol\u00ed. Kumulat\u00edvne straty z\u00e1beru ozuben\u00fdch kolies v 7 a\u017e 9 stup\u0148och s\u00fa zna\u010dn\u00e9 \u2013 zvy\u010dajne 8 a\u017e 15 percent celkov\u00e9ho vstupn\u00e9ho v\u00fdkonu spotrebuje samotn\u00e9 ozuben\u00e9 koleso ako teplo z trenia, a preto je \u017eacia li\u0161ta... po\u013enohospod\u00e1rska prevodovka<\/strong> Tepeln\u00fd mana\u017ement je k\u013e\u00fa\u010dov\u00fd pre spo\u013eahliv\u00fa prev\u00e1dzku.<\/p>\n

<\/p>\n

Hlavn\u00e1 vstupn\u00e1 prevodovka: Kritick\u00fd pravouhl\u00fd pohon<\/h2>\n

Hlavn\u00e1 vstupn\u00e1 prevodovka premie\u0148a horizont\u00e1lne ot\u00e1\u010danie v\u00fdvodov\u00e9ho hriade\u013ea na vertik\u00e1lne ot\u00e1\u010danie \u017eacej li\u0161ty a z\u00e1rove\u0148 zabezpe\u010duje prim\u00e1rne zv\u00fd\u0161enie r\u00fdchlosti. T\u00e1to prevodovka je konven\u010dn\u00e1 pravouhl\u00e1 ku\u017ee\u013eov\u00e1 prevodovka \u2013 konceptom podobn\u00e1 prevodovke rota\u010dn\u00e9ho \u017eacieho stroja, ale s prevodov\u00fdm pomerom zvy\u0161uj\u00facim r\u00fdchlos\u0165 namiesto 1:1 alebo reduk\u010dn\u00e9ho pomeru r\u00fdchlosti. Pastorok (vstupn\u00e9 koleso) je v\u00e4\u010d\u0161ie ozuben\u00e9 koleso a korunov\u00fd veniec (v\u00fdstupn\u00e9) je men\u0161\u00ed, \u010d\u00edm sa vytv\u00e1ra n\u00e1sobok r\u00fdchlosti, ktor\u00fd poh\u00e1\u0148a \u017eaciu li\u0161tu po\u017eadovan\u00fdmi ot\u00e1\u010dkami 1 600 a\u017e 2 700 ot.\/min.<\/p>\n

Preto\u017ee hlavn\u00e1 prevodovka funguje ako zvy\u0161ova\u010d ot\u00e1\u010dok, v\u00fdstupn\u00fd hriade\u013e sa ot\u00e1\u010da r\u00fdchlej\u0161ie ako vstupn\u00fd \u2013 \u010do obracia vz\u0165ah n\u00e1sobenia kr\u00fatiaceho momentu. Pomer zv\u00fd\u0161enia ot\u00e1\u010dok 1:4 znamen\u00e1, \u017ee v\u00fdstupn\u00fd kr\u00fatiaci moment je iba \u0161tvrtinou vstupn\u00e9ho kr\u00fatiaceho momentu (m\u00ednus straty \u00fa\u010dinnosti). Tento ni\u017e\u0161\u00ed v\u00fdstupn\u00fd kr\u00fatiaci moment zni\u017euje nam\u00e1hanie zubov ozuben\u00e9ho kolesa na vysokor\u00fdchlostnom v\u00fdstupnom stupni, ale vy\u0161\u0161ie ot\u00e1\u010dky zvy\u0161uj\u00fa tepeln\u00e9 za\u0165a\u017eenie lo\u017e\u00edsk a dynamick\u00fd faktor za\u0165a\u017eenia s\u00favisiaci s ot\u00e1\u010dkami lo\u017e\u00edsk. Lo\u017eisk\u00e1 hlavnej prevodovky musia by\u0165 dimenzovan\u00e9 na nepretr\u017eit\u00fa prev\u00e1dzku pri zv\u00fd\u0161en\u00fdch v\u00fdstupn\u00fdch ot\u00e1\u010dkach, ktor\u00e9 s\u00fa zvy\u010dajne 2 a\u017e 5-n\u00e1sobkom \u0161tandardn\u00fdch ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea 540 ot.\/min.<\/p>\n

\u0160pir\u00e1lov\u00e9 ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa \u0161tandardnou vo\u013ebou pre hlavn\u00e9 prevodovky diskov\u00fdch kosa\u010diek, preto\u017ee vysok\u00e1 prev\u00e1dzkov\u00e1 r\u00fdchlos\u0165 vy\u017eaduje plynul\u00fd a tich\u00fd z\u00e1ber, ktor\u00fd poskytuje \u0161pir\u00e1lov\u00e1 geometria. Priame ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1, ktor\u00e9 s\u00fa prijate\u013en\u00e9 v n\u00edzkor\u00fdchlostn\u00fdch prevodovk\u00e1ch rota\u010dn\u00fdch kosa\u010diek s pomerom 1:1, generuj\u00fa nadmern\u00fd hluk a vibr\u00e1cie pri v\u00fdstupn\u00fdch ot\u00e1\u010dkach viac ako 2 000 ot.\/min. potrebn\u00fdch pre pohon diskov\u00fdch kosa\u010diek. Hluk a vibr\u00e1cie z priamych ku\u017ee\u013eov\u00fdch ozuben\u00fdch kolies by sa pri t\u00fdchto r\u00fdchlostiach pren\u00e1\u0161ali priamo na kosaciu li\u0161tu a kab\u00ednu traktora, \u010do by sp\u00f4sobovalo neprijate\u013en\u00e9 nepohodlie pre obsluhu po\u010das dlh\u00fdch kosen\u00ed, na ktor\u00e9 s\u00fa diskov\u00e9 kosa\u010dky ur\u010den\u00e9.<\/p>\n

\"Prevodovka<\/div>\n

<\/p>\n

Vysokor\u00fdchlostn\u00fd tepeln\u00fd mana\u017ement pre prevodovky diskov\u00fdch kosa\u010diek<\/h2>\n

\u017dacie li\u0161ty diskov\u00fdch \u017eac\u00edch strojov generuj\u00fa viac vn\u00fatorn\u00e9ho tepla na jednotku objemu oleja ako takmer ak\u00e9ko\u013evek in\u00e9 Prevodovka v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> aplik\u00e1cia. Kombin\u00e1cia vysokej r\u00fdchlosti ot\u00e1\u010dania (2 800 \u2013 3 200 ot.\/min. na diskoch), viacer\u00fdch ozuben\u00fdch kolies (7 a\u017e 9 stup\u0148ov) a relat\u00edvne malej, plochej olejovej vane (teleso \u017eacej li\u0161ty m\u00e1 obmedzen\u00fd objem oleja) vytv\u00e1ra tepeln\u00e9 prostredie, ktor\u00e9 po\u010das dlh\u0161ej prev\u00e1dzky pos\u00fava konven\u010dn\u00fd prevodov\u00fd olej na hranicu jeho mo\u017enost\u00ed.<\/p>\n

9-diskov\u00e1 \u017eacia li\u0161ta s v\u00fdkonom 45 kon\u00ed na v\u00fdvodovom hriadeli str\u00e1ca pribli\u017ene 4 a\u017e 7 kon\u00ed (3 a\u017e 5 kW) ako teplo v prevodovom mechanizme \u2013 v\u00fdkon, ktor\u00fd absorbuj\u00fa 2 a\u017e 3 litre prevodov\u00e9ho oleja v telese s obmedzenou plochou na odvod tepla. Bez adekv\u00e1tneho tepeln\u00e9ho mana\u017ementu m\u00f4\u017ee teplota oleja dosiahnu\u0165 100 a\u017e 120 stup\u0148ov Celzia v priebehu 2 a\u017e 3 hod\u00edn nepretr\u017eit\u00e9ho kosenia v tepl\u00fdch podmienkach (teplota okolia nad 25 stup\u0148ov Celzia), \u010do zni\u017euje viskozitu oleja a ur\u00fdch\u013euje oxid\u00e1ciu aj spotrebu adit\u00edv.<\/p>\n

V\u00fdrobcovia diskov\u00fdch kosa\u010diek rie\u0161ia tepeln\u00fd mana\u017ement prostredn\u00edctvom nieko\u013ek\u00fdch kon\u0161truk\u010dn\u00fdch strat\u00e9gi\u00ed. Objem oleja je maximalizovan\u00fd v r\u00e1mci dostupn\u00e9ho objemu \u017eacej li\u0161ty \u2013 \u0161ir\u0161ie a hlb\u0161ie olejov\u00e9 vane zvy\u0161uj\u00fa tepeln\u00fa hmotu dostupn\u00fa na absorbovanie tepelnej energie. Extern\u00e9 chladiace rebr\u00e1 zaliate do krytu \u017eacej li\u0161ty zv\u00e4\u010d\u0161uj\u00fa povrch pre konvek\u010dn\u00fd prenos tepla do okolit\u00e9ho vzduchu. Niektor\u00e9 pr\u00e9miov\u00e9 diskov\u00e9 kosa\u010dky obsahuj\u00fa okruhy chladi\u010da oleja, ktor\u00e9 pre\u010derp\u00e1vaj\u00fa hor\u00faci olej z \u017eacej li\u0161ty cez extern\u00fd vzduchom chladen\u00fd v\u00fdmenn\u00edk tepla predt\u00fdm, ako ho vr\u00e1tia sp\u00e4\u0165 do vane. Pre obsluhu je najd\u00f4le\u017eitej\u0161\u00edm opatren\u00edm tepeln\u00e9ho mana\u017ementu pou\u017eitie spr\u00e1vneho syntetick\u00e9ho prevodov\u00e9ho oleja \u2013 EP 220 na b\u00e1ze PAO alebo ekvivalentu \u0161pecifikovan\u00e9ho v\u00fdrobcom \u2013 ktor\u00fd si zachov\u00e1va pevnos\u0165 ochrann\u00e9ho filmu pri teplot\u00e1ch o 30 a\u017e 40 stup\u0148ov vy\u0161\u0161\u00edch ako miner\u00e1lny olej rovnakej triedy.<\/p>\n

<\/p>\n

Diskov\u00e1 kosa\u010dka vs. rota\u010dn\u00e1 kosa\u010dka: Porovnanie prevodovky<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nDiskov\u00e1 kosa\u010dka<\/th>\nRota\u010dn\u00e1 reza\u010dka<\/th>\n<\/tr>\n<\/thead>\n
R\u00fdchlos\u0165 kot\u00fa\u010da\/disku<\/td>\n2 800 \u2013 3 200 ot.\/min.<\/td>\n200 \u2013 600 ot.\/min. (\u010depe\u013e)<\/td>\n<\/tr>\n
Typ prevodovky<\/td>\nHlavn\u00fd skosen\u00fd + \u010deln\u00fd s\u00fakolesov\u00fd syst\u00e9m \u017eacej li\u0161ty<\/td>\nJednoduch\u00fd pravouhl\u00fd skosen\u00fd rez<\/td>\n<\/tr>\n
Pomer ot\u00e1\u010dok (v\u00fdvodov\u00fd hriade\u013e \u2192 rezanie)<\/td>\nZv\u00fd\u0161enie z 1:5 na 1:6<\/td>\n1:1 a\u017e 1:1,5<\/td>\n<\/tr>\n
Rezn\u00e9 prvky<\/td>\n4\u20139 diskov, ka\u017ed\u00fd s 2\u20133 vymenite\u013en\u00fdmi \u010depe\u013eami<\/td>\n1\u20133 ve\u013ek\u00e9 pevn\u00e9 alebo v\u00fdkyvn\u00e9 \u010depele<\/td>\n<\/tr>\n
Tepeln\u00e1 v\u00fdzva<\/td>\nVysok\u00e1 (viacero \u00f4k, mal\u00fd objem oleja)<\/td>\nN\u00edzka a\u017e stredn\u00e1 (jednoduch\u00e1 sie\u0165ovina)<\/td>\n<\/tr>\n
Najlep\u0161ia aplik\u00e1cia<\/td>\nKosenie sena a krmov\u00edn, \u010distenie strniska<\/td>\nKr\u00edky, burina, drsn\u00e1 veget\u00e1cia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"Prevodovka<\/div>\n

<\/p>\n

Ochrana pred n\u00e1razom kame\u0148ov a bezpe\u010dnos\u0165 pri pre\u0165a\u017een\u00ed<\/h2>\n

Rezacie kot\u00fa\u010de diskov\u00fdch kosa\u010diek sa ot\u00e1\u010daj\u00fa obvodovou r\u00fdchlos\u0165ou presahuj\u00facou 60 m\/s a n\u00e1raz na kame\u0148 pri tejto r\u00fdchlosti generuje okam\u017eit\u00fd kr\u00fatiaci moment, ktor\u00fd sa \u0161\u00edri sp\u00e4tne cez cel\u00e9 ozuben\u00e9 koleso k hlavn\u00e9mu prevodu. Prevodovka v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> vstup. Bez dostato\u010dnej ochrany proti pre\u0165a\u017eeniu m\u00f4\u017ee jedin\u00fd siln\u00fd n\u00e1raz do kame\u0148a strhn\u00fa\u0165 zuby z viacer\u00fdch ozuben\u00fdch kolies v \u017eacej li\u0161te \u2013 \u010d\u00edm sa cel\u00e9 ozuben\u00e9 koleso zni\u010d\u00ed v zlomku sekundy. Vysok\u00e1 rota\u010dn\u00e1 zotrva\u010dnos\u0165 7 a\u017e 9 diskov ot\u00e1\u010daj\u00facich sa r\u00fdchlos\u0165ou 3 000 ot.\/min. uklad\u00e1 zna\u010dn\u00fa kinetick\u00fa energiu, ktor\u00e1 sa uvo\u013en\u00ed do ozuben\u00e9ho kolesa po\u010das n\u00e1hleho zastavenia, \u010d\u00edm sa zosiln\u00ed po\u0161kodenie nad r\u00e1mec toho, \u010do by sp\u00f4sobil samotn\u00fd po\u010diato\u010dn\u00fd n\u00e1raz.<\/p>\n

V\u00fdrobcovia diskov\u00fdch kosa\u010diek zabudov\u00e1vaj\u00fa ochranu proti pre\u0165a\u017eeniu na viacer\u00fdch miestach pohonn\u00e9ho syst\u00e9mu. Jednotliv\u00e9 kosa\u010dky s\u00fa zvy\u010dajne upevnen\u00e9 pomocou stri\u017en\u00fdch skrutiek alebo odlamovac\u00edch spojovac\u00edch prvkov, ktor\u00e9 umo\u017e\u0148uj\u00fa, aby sa \u010depe\u013e pri n\u00e1raze vych\u00fdlila alebo oddelila, \u010d\u00edm sa zni\u017euje n\u00e1raz pren\u00e1\u0161an\u00fd na hriade\u013e disku a ozuben\u00e9 koleso. Pohon v\u00fdvodov\u00e9ho hriade\u013ea medzi traktorom a hlavnou prevodovkou obsahuje bu\u010f stri\u017en\u00fa skrutku, alebo klzn\u00fa spojku, ktor\u00e1 odpoj\u00ed pohon, ak pre\u0165a\u017eenie prekro\u010d\u00ed menovit\u00fa kapacitu hnacieho \u00fastrojenstva. Niektor\u00e9 pr\u00e9miov\u00e9 modely diskov\u00fdch kosa\u010diek obsahuj\u00fa spojku obmedzuj\u00facu kr\u00fatiaci moment medzi hlavn\u00fdm... Prevodovka v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> v\u00fdstup a vstup \u017eacej li\u0161ty, ktor\u00fd poskytuje dodato\u010dn\u00fa ochrann\u00fa vrstvu \u0161peci\u00e1lne kalibrovan\u00fa pre kapacitu ozuben\u00e9ho prevodu \u017eacej li\u0161ty.<\/p>\n

Spr\u00e1vne nastavenie svetlej v\u00fd\u0161ky je naj\u00fa\u010dinnej\u0161\u00edm opatren\u00edm ovl\u00e1dan\u00fdm obsluhou na minimaliz\u00e1ciu po\u0161kodenia sp\u00f4soben\u00e9ho n\u00e1razom do sk\u00e1l. Pr\u00edli\u0161 n\u00edzke nastavenie \u017eacej li\u0161ty zvy\u0161uje pravdepodobnos\u0165 kontaktu disku s kame\u0148mi, p\u00f4dnymi n\u00e1sypmi a in\u00fdmi prek\u00e1\u017ekami na \u00farovni zeme. V\u00e4\u010d\u0161ina diskov\u00fdch kosa\u010diek umo\u017e\u0148uje nastavenie p\u00e4tky alebo ly\u017einy na nastavenie minim\u00e1lnej v\u00fd\u0161ky kosenia \u2013 udr\u017eiavanie minim\u00e1lnej v\u00fd\u0161ky odpor\u00fa\u010danej v\u00fdrobcom (zvy\u010dajne 30 a\u017e 50 mm nad \u00farov\u0148ou zeme) dramaticky zni\u017euje frekvenciu a z\u00e1va\u017enos\u0165 udalost\u00ed sp\u00f4soben\u00fdch n\u00e1razom do sk\u00e1l bez v\u00fdznamn\u00e9ho ovplyvnenia kvality kosenia krmov\u00edn.<\/p>\n

\u00dadr\u017eba a mazanie prevodov\u00fdch syst\u00e9mov diskov\u00fdch kosa\u010diek<\/h2>\n

Hladina oleja v \u017eacej li\u0161te je najd\u00f4le\u017eitej\u0161\u00edm parametrom \u00fadr\u017eby pre spo\u013eahlivos\u0165 diskovej kosa\u010dky. Ke\u010f\u017ee teleso \u017eacej li\u0161ty je plytk\u00e9 a objem oleja je mal\u00fd v porovnan\u00ed s generovan\u00fdm teplom, aj mal\u00fd pokles hladiny oleja (100 a\u017e 200 ml) m\u00f4\u017ee vystavi\u0165 z\u00e1bery horn\u00fdch prevodov nedostato\u010dn\u00e9mu mazaniu. Pred ka\u017ed\u00fdm kosen\u00edm skontrolujte hladinu oleja v \u017eacej li\u0161te \u2013 t\u00e1to denn\u00e1 30-sekundov\u00e1 kontrola je najhodnotnej\u0161ou \u00fadr\u017ebou pre dlh\u00fa \u017eivotnos\u0165 diskovej kosa\u010dky.<\/p>\n

Intervaly v\u00fdmeny oleja pre \u017eacie li\u0161ty diskov\u00fdch \u017eac\u00edch strojov s\u00fa zvy\u010dajne krat\u0161ie ako pre konven\u010dn\u00e9 po\u013enohospod\u00e1rske prevodovky, preto\u017ee vysokor\u00fdchlostn\u00e9 a teplotn\u00e9 prev\u00e1dzkov\u00e9 prostredie r\u00fdchlej\u0161ie degraduje olej. V\u00e4\u010d\u0161ina v\u00fdrobcov uv\u00e1dza 200-hodinov\u00e9 intervaly v\u00fdmeny oleja pre \u017eaciu li\u0161tu a 500-hodinov\u00e9 intervaly pre hlavn\u00fa vstupn\u00fa prevodovku. V hor\u00facom podneb\u00ed alebo po\u010das dlh\u0161\u00edch denn\u00fdch kosen\u00ed (10 a viac hod\u00edn) poskytuje skr\u00e1tenie intervalu \u017eacej li\u0161ty na 100 a\u017e 150 hod\u00edn dodato\u010dn\u00fa ochranu. Pou\u017e\u00edvajte iba druh oleja uveden\u00fd v\u00fdrobcom \u2013 \u017eacie li\u0161ty zvy\u010dajne vy\u017eaduj\u00fa ni\u017e\u0161iu viskozitu (EP 90 alebo ISO VG 150) ako hlavn\u00e1 prevodovka (EP 220 alebo ISO VG 220), preto\u017ee z\u00e1bery ozuben\u00fdch kolies pri vysok\u00fdch ot\u00e1\u010dkach potrebuj\u00fa red\u0161\u00ed olej pre dostato\u010dn\u00e9 mazanie rozstrekom pri 3 000 ot.\/min.<\/p>\n

Po ka\u017edom kosen\u00ed skontrolujte \u017eaciu li\u0161tu, \u010di v miestach tesnenia hriade\u013ea disku nedoch\u00e1dza k \u00faniku oleja. Diskov\u00e1 kosa\u010dka m\u00e1 4 a\u017e 9 tesnen\u00ed hriade\u013ea na hriade\u013eoch \u017eac\u00edch diskov a 2 a\u017e 4 tesnenia na vstupnom hriadeli pohonu a nap\u00ednacom hriadeli \u2013 ktor\u00e9ko\u013evek z t\u00fdchto tesnen\u00ed m\u00f4\u017ee sp\u00f4sobi\u0165 \u00fanik oleja v d\u00f4sledku po\u0161kodenia vibr\u00e1ciami, n\u00e1razu kame\u0148ov alebo be\u017en\u00e9ho opotrebenia. Netesn\u00e9 tesnenie umo\u017e\u0148uje \u00fanik oleja (\u010do vedie k nedostatku oleja v prevodovom syst\u00e9me) a vniknutie ne\u010dist\u00f4t (\u010do ur\u00fdch\u013euje opotrebovanie v\u0161etk\u00fdch vn\u00fatorn\u00fdch povrchov). Netesn\u00e9 tesnenia okam\u017eite vyme\u0148te \u2013 n\u00e1klady na tesnenie s\u00fa v porovnan\u00ed s po\u0161koden\u00edm prevodov\u00e9ho syst\u00e9mu, ktor\u00e9 nasleduje po nedostatku oleja, zanedbate\u013en\u00e9. Kvalitn\u00fd Prevodovka v\u00fdvodov\u00e9ho hriade\u013ea<\/a> Dod\u00e1vate\u013e m\u00e1 na sklade n\u00e1hradn\u00e9 tesnenia, lo\u017eisk\u00e1 a ozuben\u00e9 koles\u00e1 pre popul\u00e1rne modely \u017eac\u00edch li\u0161t diskov\u00fdch kosa\u010diek. Kontaktujte n\u00e1\u0161 t\u00edm<\/a> pre dostupnos\u0165 kr\u00ed\u017eov\u00fdch odkazov. Pre V\u00fdvodov\u00fd hriade\u013e<\/a> a po\u013enohospod\u00e1rska prevodovka<\/a> Rie\u0161enia prisp\u00f4soben\u00e9 po\u017eiadavk\u00e1m na pohon diskov\u00fdch kosa\u010diek, n\u00e1\u0161 technick\u00fd t\u00edm poskytuje overenie pomeru a potvrdenie kompatibility rozmerov pre ka\u017ed\u00fa objedn\u00e1vku.<\/p>\n

\"Diel\u0148a<\/div>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nAk\u00fa r\u00fdchlos\u0165 dosahuje prevodovka diskovej kosa\u010dky?+<\/span><\/summary>\n
\n

Hlavn\u00e1 vstupn\u00e1 prevodovka zvy\u0161uje ot\u00e1\u010dky v\u00fdvodov\u00e9ho hriade\u013ea s 540 ot.\/min. na vstupe do \u017eacej li\u0161ty pribli\u017ene na 1 600 a\u017e 2 700 ot.\/min. Vn\u00fatorn\u00e9 ozuben\u00e9 koleso \u017eacej li\u0161ty potom poh\u00e1\u0148a ka\u017ed\u00fd rezn\u00fd disk kone\u010dnou r\u00fdchlos\u0165ou 2 800 a\u017e 3 200 ot.\/min. Presn\u00e9 ot\u00e1\u010dky z\u00e1visia od prevodov\u00fdch pomerov v\u00fdrobcu a po\u010dtu diskov v \u017eacej li\u0161te.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nAko \u010dasto by som mal meni\u0165 olej v \u017eacej li\u0161te?+<\/span><\/summary>\n
\n

Ka\u017ed\u00fdch 200 hod\u00edn pre \u017eaciu li\u0161tu a 500 hod\u00edn pre hlavn\u00fa vstupn\u00fa prevodovku za norm\u00e1lnych podmienok. V hor\u00facom podneb\u00ed alebo po\u010das dlh\u0161ej dennej prev\u00e1dzky presahuj\u00facej 10 hod\u00edn skr\u00e1\u0165te interval \u017eacej li\u0161ty na 100 a\u017e 150 hod\u00edn. Pred kosen\u00edm v\u017edy denne skontrolujte hladinu oleja \u2013 mal\u00fd objem oleja v \u017eacej li\u0161te znamen\u00e1, \u017ee aj mal\u00e9 straty s\u00fa kritick\u00e9.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nAk\u00fd druh oleja sa pou\u017e\u00edva do \u017eacej li\u0161ty diskovej kosa\u010dky?+<\/span><\/summary>\n
\n

V\u00e4\u010d\u0161ina \u017eac\u00edch l\u00ed\u0161t vy\u017eaduje prevodov\u00fd olej EP 90 alebo ISO VG 150 \u2013 s ni\u017e\u0161ou viskozitou ako EP 220, ktor\u00fd sa be\u017ene pou\u017e\u00edva v konven\u010dn\u00fdch po\u013enohospod\u00e1rskych prevodovk\u00e1ch. \u013dah\u0161\u00ed olej je nevyhnutn\u00fd pre dostato\u010dn\u00e9 mazanie rozstrekovan\u00edm pri vysok\u00fdch ot\u00e1\u010dkach kot\u00fa\u010dov od 2 800 do 3 200 ot.\/min. Pre lep\u0161iu tepeln\u00fa stabilitu sa odpor\u00fa\u010da syntetick\u00fd olej na b\u00e1ze PAO. V\u017edy si overte \u0161pecifik\u00e1ciu v\u00fdrobcu kosa\u010dky, preto\u017ee niektor\u00e9 zna\u010dky vy\u017eaduj\u00fa in\u00e9 triedy.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nPre\u010do diskov\u00e9 kosa\u010dky pou\u017e\u00edvaj\u00fa \u010deln\u00e9 ozuben\u00e9 koles\u00e1 namiesto ku\u017ee\u013eov\u00fdch?+<\/span><\/summary>\n
\n

Vn\u00fatorn\u00e9 ozuben\u00e9 koleso \u017eacej li\u0161ty vyu\u017e\u00edva \u010deln\u00e9 ozuben\u00e9 koles\u00e1, preto\u017ee v\u0161etky hriadele diskov s\u00fa rovnobe\u017en\u00e9 (v\u0161etky vertik\u00e1lne), tak\u017ee medzi diskami nie je potrebn\u00e1 \u017eiadna zmena osi ot\u00e1\u010dania. \u010celn\u00e9 ozuben\u00e9 koles\u00e1 s\u00fa \u00fa\u010dinn\u00e9, kompaktn\u00e9 v plochom profile \u017eacej li\u0161ty a inherentne menia ot\u00e1\u010danie medzi susedn\u00fdmi zaberaj\u00facimi ozuben\u00fdmi kolesami \u2013 vytv\u00e1raj\u00fa striedav\u00fd vzorec smeru a proti smeru hodinov\u00fdch ru\u010di\u010diek, ktor\u00fd diskov\u00e9 kosa\u010dky potrebuj\u00fa pre \u010dist\u00e9 kosenie s prekryt\u00edm. Hlavn\u00e1 vstupn\u00e1 prevodovka pou\u017e\u00edva ku\u017ee\u013eov\u00e9 ozuben\u00e9 koles\u00e1, preto\u017ee mus\u00ed presmerova\u0165 horizont\u00e1lny v\u00fdvodov\u00fd hriade\u013e do vertik\u00e1lnej roviny \u017eacej li\u0161ty.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nKo\u013eko kon\u00ed potrebuje diskov\u00e1 kosa\u010dka?+<\/span><\/summary>\n
\n

Po\u017eiadavky na v\u00fdkon v\u00fdvodov\u00e9ho hriade\u013ea sa l\u00ed\u0161ia v z\u00e1vislosti od \u0161\u00edrky kosenia: 5-diskov\u00e1 kosa\u010dka (\u0161\u00edrka 1,7 m) potrebuje pribli\u017ene 20 a\u017e 25 kon\u00ed, 7-diskov\u00e1 kosa\u010dka (2,4 m) potrebuje 25 a\u017e 35 kon\u00ed a 9-diskov\u00e1 kosa\u010dka (3,2 m) potrebuje 40 a\u017e 55 kon\u00ed. Toto s\u00fa v\u00fdkony v\u00fdvodov\u00e9ho hriade\u013ea \u2013 motor traktora mus\u00ed vyprodukova\u0165 pribli\u017ene o 20 a\u017e 25 percent viac celkov\u00e9ho v\u00fdkonu, aby sa zoh\u013eadnili straty v prevodovke a hnacom \u00fastrojenstve v\u00fdvodov\u00e9ho hriade\u013ea. Valce kondicion\u00e9ra (ak s\u00fa s\u00fa\u010das\u0165ou v\u00fdbavy) prid\u00e1vaj\u00fa k po\u017eiadavk\u00e1m \u010fal\u0161\u00edch 10 a\u017e 15 kon\u00ed.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nM\u00f4\u017eem vymeni\u0165 jednotliv\u00e9 ozuben\u00e9 koles\u00e1 v \u017eacej li\u0161te?+<\/span><\/summary>\n
\n

\u00c1no \u2013 ide o be\u017en\u00fa opravu \u017eac\u00edch l\u00ed\u0161t s lok\u00e1lnym po\u0161koden\u00edm ozuben\u00e9ho kolesa v d\u00f4sledku n\u00e1razov sk\u00e1l alebo poruchy lo\u017e\u00edsk. Jednotliv\u00e9 ozuben\u00e9 koles\u00e1, lo\u017eisk\u00e1, tesnenia hriade\u013eov a hriadele diskov s\u00fa dostupn\u00e9 ako n\u00e1hradn\u00e9 diely od v\u00fdrobcu kosa\u010dky alebo od dod\u00e1vate\u013eov n\u00e1hradn\u00fdch dielov. Pri v\u00fdmene jedn\u00e9ho ozuben\u00e9ho kolesa skontrolujte jeho zaberaj\u00faci partner, \u010di nie je po\u0161koden\u00fd \u2013 po\u0161koden\u00e9 ozuben\u00e9 koleso \u010dasto zanech\u00e1va stopy po susednom a v\u00fdmena iba vidite\u013ene po\u0161koden\u00e9ho ozuben\u00e9ho kolesa m\u00f4\u017ee vies\u0165 k r\u00fdchlemu opotrebovaniu nov\u00e9ho ozuben\u00e9ho kolesa oproti po\u0161koden\u00e9mu povrchu star\u00e9ho ozuben\u00e9ho kolesa.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nDod\u00e1vate hlavn\u00e9 prevodovky pre diskov\u00e9 kosa\u010dky?+<\/span><\/summary>\n
\n

\u00c1no \u2013 vyr\u00e1bame pravouhl\u00e9 ku\u017ee\u013eov\u00e9 prevodovky s prevodov\u00fdmi pomermi zvy\u0161uj\u00facimi r\u00fdchlos\u0165 od 1:3 do 1:5, vhodn\u00e9 pre hlavn\u00e9 pohony diskov\u00fdch kosa\u010diek. Na\u0161e prevodovky diskov\u00fdch kosa\u010diek s\u00fa vybaven\u00e9 kalen\u00fdmi \u0161pir\u00e1lov\u00fdmi ku\u017ee\u013eov\u00fdmi kolesami, ku\u017eel\u00edkov\u00fdmi lo\u017eiskami ur\u010den\u00fdmi pre nepretr\u017eit\u00fa prev\u00e1dzku pri vysok\u00fdch ot\u00e1\u010dkach a utesnen\u00fdmi krytmi so syntetickou olejovou n\u00e1pl\u0148ou. Pre kontrolu kompatibility s kr\u00ed\u017eov\u00fdmi referenciami kontaktujte n\u00e1\u0161 technick\u00fd t\u00edm a uve\u010fte zna\u010dku, model a aktu\u00e1lne \u010d\u00edslo dielu prevodovky va\u0161ej kosa\u010dky.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

\n

Zadajte prevodovku pre va\u0161u diskov\u00fa kosa\u010dku<\/h2>\n

Od hlavn\u00fdch vstupn\u00fdch prevodoviek pre pohony diskov\u00fdch kosa\u010diek a\u017e po n\u00e1hradn\u00e9 ozuben\u00e9 koles\u00e1 a lo\u017eisk\u00e1 pre repas \u017eac\u00edch li\u0161t \u2013 n\u00e1\u0161 technick\u00fd t\u00edm poskytuje overenie kr\u00ed\u017eov\u00fdch referenci\u00ed, potvrdenie prevodov\u00e9ho pomeru a kontroly kompatibility rozmerov pre ka\u017ed\u00fa objedn\u00e1vku. Cenov\u00e9 ponuky prevodoviek so zvy\u0161uj\u00facimi r\u00fdchlos\u0165ou pre aplik\u00e1cie diskov\u00fdch kosa\u010diek priamo z v\u00fdroby.<\/p>\n

Kontaktujte na\u0161ich technikov<\/a><\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Disc Mower Gearbox: Cutter Bar Drive Engineering A disc mower cutter bar spins each cutting disc at 2,800 to 3,200 RPM \u2014 over 50 revolutions per second \u2014 while the entire bar assembly is dragged across uneven terrain at ground speeds of 12 to 20 km\/h. The gearbox system driving this cutter bar must step […]<\/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-1297","post","type-post","status-publish","format-standard","hentry","category-agricultural-gearbox"],"_links":{"self":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1297","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=1297"}],"version-history":[{"count":1,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1297\/revisions"}],"predecessor-version":[{"id":1298,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/posts\/1297\/revisions\/1298"}],"wp:attachment":[{"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/media?parent=1297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/categories?post=1297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearbox.net\/sk\/wp-json\/wp\/v2\/tags?post=1297"}],"curies":[{"name":"pracovn\u00fd list","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}