{"id":1069,"date":"2026-05-18T03:01:53","date_gmt":"2026-05-18T03:01:53","guid":{"rendered":"https:\/\/pto-gearbox.net\/?post_type=product&p=1069"},"modified":"2026-06-18T07:00:42","modified_gmt":"2026-06-18T07:00:42","slug":"rotary-mower-gearbox-lf-199a","status":"publish","type":"product","link":"https:\/\/pto-gearbox.net\/sk\/produkt\/rotary-mower-gearbox-lf-199a\/","title":{"rendered":"Prevodovka rota\u010dnej kosa\u010dky LF-199A \u2014 45 CV dvojv\u00fdstupn\u00fd zvy\u0161ova\u010d ot\u00e1\u010dok pre pohon po\u013enohospod\u00e1rskych no\u017eov pri 540 ot.\/min."},"content":{"rendered":"
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Prevodovka rota\u010dnej kosa\u010dky LF-199A \u2014 Zvy\u0161ova\u010d ot\u00e1\u010dok s dvojit\u00fdm v\u00fdstupom 45 CV<\/h2>\n

LF-199A je vozidlo s v\u00fdkonom 45 kon\u00ed (33 kW) prevodovka rota\u010dnej kosa\u010dky<\/strong> ktor\u00fd zn\u00e1sobuje vstupn\u00e9 ot\u00e1\u010dky v\u00fdvodov\u00e9ho hriade\u013ea traktora s 540 ot.\/min. na 1 620 ot.\/min. prostredn\u00edctvom prevodov\u00e9ho pomeru 1:3. \u010co odli\u0161uje t\u00fato jednotku od prevodoviek kosa\u010diek s jedn\u00fdm v\u00fdstupom, je jej konfigur\u00e1cia s dvoma v\u00fdstupn\u00fdmi hriade\u013emi \u2013 dva hriadele vych\u00e1dzaj\u00fa z krytu a poh\u00e1\u0148aj\u00fa dvojicu protibe\u017en\u00fdch no\u017eov z jedn\u00e9ho vstupu v\u00fdvodov\u00e9ho hriade\u013ea, \u010d\u00edm sa eliminuje potreba sekund\u00e1rnej prevodovky, nap\u00ednac\u00edch kladiek alebo reme\u0148ov\u00fdch prevodov v kon\u0161trukci\u00e1ch rota\u010dn\u00fdch kosa\u010diek s dvoma no\u017emi.<\/p>\n

T\u00e1to prevodovka, vyroben\u00e1 ako priama n\u00e1hrada za prevodovku Comer Code LF-199A, zodpoved\u00e1 ka\u017ed\u00e9mu kritick\u00e9mu rozmeru origin\u00e1lu: geometria mont\u00e1\u017enej pr\u00edruby, profil vstupn\u00e9ho dr\u00e1\u017ekovania (1-3\/8 palca, 6 dr\u00e1\u017eok) a umiestnenie oboch v\u00fdstupn\u00fdch hriade\u013eov. K\u00f3rejsk\u00ed a juhov\u00fdchodn\u00ed \u00e1zijsk\u00ed oper\u00e1tori m\u00f4\u017eu jednotku vymeni\u0165 na existuj\u00facich r\u00e1moch kosa\u010diek za menej ako 40 min\u00fat pomocou \u0161tandardn\u00e9ho ru\u010dn\u00e9ho n\u00e1radia. Liatinov\u00e9 puzdro v\u00e1\u017ei 27,5 kg bez oleja a dod\u00e1va sa bez maziva \u2013 oper\u00e1tori pred prv\u00fdm pou\u017eit\u00edm dop\u013a\u0148aj\u00fa prevodov\u00fd olej.<\/p>\n

\"Prevodovka<\/p>\n

Farmy pou\u017e\u00edvaj\u00face traktory Daedong, LS Mtron, TYM, Kubota a John Deere s v\u00fdkonom od 45 do 60 kon\u00ed, sp\u00e1ruj\u00fa tento... prevodovka v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> s rota\u010dn\u00fdmi kosa\u010dkami so z\u00e1berom 1,5 a\u017e 2,5 metra na \u00fadr\u017ebu pasienkov, \u00fapravu parkov a \u0161portov\u00fdch ihr\u00edsk a kontrolu veget\u00e1cie pri cest\u00e1ch. Na po\u017eiadanie je k dispoz\u00edcii aj variant s reduk\u010dn\u00fdm prevodom pre aplik\u00e1cie, ktor\u00e9 vy\u017eaduj\u00fa pomal\u0161\u00ed v\u00fdkon s vy\u0161\u0161\u00edm kr\u00fatiacim momentom \u2013 pre alternat\u00edvne konfigur\u00e1cie kontaktujte n\u00e1\u0161 technick\u00fd t\u00edm.<\/p>\n

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Technick\u00e9 \u0161pecifik\u00e1cie<\/h2>\n

Parametre meran\u00e9 pod\u013ea testovacieho protokolu SAE J744. Porovnanie s v\u00fdkonom v\u00fdvodov\u00e9ho hriade\u013ea v\u00e1\u0161ho traktora a po\u017eiadavkami na \u017eacie no\u017ee.<\/p>\n

\"Rozmer<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nHodnota<\/th>\n<\/tr>\n<\/thead>\n
N\u00e1hrada za<\/td>\nK\u00f3d rohu LF-199A<\/strong><\/td>\n<\/tr>\n
Typ aplik\u00e1cie<\/td>\nJednotka na zv\u00fd\u0161enie r\u00fdchlosti<\/td>\n<\/tr>\n
Menovit\u00fd vstupn\u00fd v\u00fdkon<\/td>\n45 kon\u00ed \u2014 33 kW<\/strong> (pri 540 ot.\/min.)<\/td>\n<\/tr>\n
Prevodov\u00fd pomer<\/td>\n1 : 3<\/strong> (zr\u00fdch\u013eova\u010d)<\/td>\n<\/tr>\n
Vstupn\u00e1 r\u00fdchlos\u0165<\/td>\n540 ot.\/min.<\/td>\n<\/tr>\n
V\u00fdstupn\u00e1 r\u00fdchlos\u0165<\/td>\n1 620 ot.\/min.<\/strong><\/td>\n<\/tr>\n
Po\u010det v\u00fdstupov<\/td>\n2<\/strong> (dvojit\u00fd v\u00fdstup)<\/td>\n<\/tr>\n
Vstupn\u00fd hriade\u013e<\/td>\n1-3\/8\u2033 \u2013 6 dr\u00e1\u017eok<\/td>\n<\/tr>\n
Materi\u00e1l puzdra<\/td>\nLiatina<\/td>\n<\/tr>\n
Such\u00e1 hmotnos\u0165<\/td>\n27,5 kg<\/strong><\/td>\n<\/tr>\n
Dod\u00e1van\u00e9 s olejom<\/td>\nNie (lod\u00ed sa such\u00e1)<\/td>\n<\/tr>\n
Mo\u017enos\u0165 zn\u00ed\u017eenia<\/td>\nK dispoz\u00edcii na po\u017eiadanie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

K dispoz\u00edcii je ot\u00e1\u010danie hriade\u013ea v smere aj proti smeru hodinov\u00fdch ru\u010di\u010diek. Pre konkr\u00e9tne konfigur\u00e1cie ot\u00e1\u010dania a mo\u017enosti reduk\u010dn\u00e9ho prevodu kontaktujte na\u0161e technick\u00e9 oddelenie.<\/p>\n

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Pre\u010do sa LF-199A vyzna\u010duje kosa\u010dkami s dvojit\u00fdm no\u017eom<\/h2>\n

\"Pou\u017eitie<\/p>\n

\n
\n

\u2605 Du\u00e1lny v\u00fdstup z jedn\u00e9ho vstupu<\/strong><\/p>\n

Dva v\u00fdstupn\u00e9 hriadele poh\u00e1\u0148aj\u00fa dvojicu protibe\u017en\u00fdch no\u017eov z jedn\u00e9ho pripojenia v\u00fdvodov\u00e9ho hriade\u013ea. T\u00fdm sa eliminuj\u00fa reme\u0148ov\u00e9 prevody, nap\u00ednacie kladky a sekund\u00e1rne prevodovky \u2013 \u010d\u00edm sa odstra\u0148uj\u00fa tri potenci\u00e1lne body poruchy hnacieho \u00fastrojenstva a z\u00e1rove\u0148 sa kosa\u010dka zachov\u00e1va \u013eah\u0161ia a mechanicky jednoduch\u0161ia.<\/p>\n<\/div>\n

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\u2605 R\u00fdchlos\u0165 \u010depele 1 620 ot.\/min.<\/strong><\/p>\n

Pomer zr\u00fdchlenia 1:3 premie\u0148a 540 ot.\/min. na 1 620 ot.\/min. na \u0161pi\u010dk\u00e1ch \u010depel\u00ed. Pri tejto v\u00fdstupnej r\u00fdchlosti na \u0161tandardnom 500 mm \u010depeli sa rezn\u00e1 hrana pohybuje r\u00fdchlos\u0165ou pribli\u017ene 42 m\/s \u2013 \u010do je v\u00fdrazne nad hranicou 30 m\/s potrebnou na \u010dist\u00e9 strihanie vzrastenej tr\u00e1vy bez trhania.<\/p>\n<\/div>\n

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\u2605 V\u00fdkon 33 kW<\/strong><\/p>\n

S menovit\u00fdm pr\u00edkonom 45 kon\u00ed (33 kW) zvl\u00e1da model LF-199A trval\u00fd v\u00fdkon kosenia s dvoma no\u017emi pri r\u00fdchlostiach vpred 8 \u2013 12 km\/h. Tento v\u00fdkon ponech\u00e1va traktoru s v\u00fdkonom 50 kon\u00ed rezervu v\u00fdkonu 15-20% \u2013 dostato\u010dn\u00fa na udr\u017eanie r\u00fdchlosti no\u017eov v hust\u00fdch porastoch bez zasek\u00e1vania sa v bahne.<\/p>\n<\/div>\n

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\u2605 Konfigurovate\u013en\u00fd smer ot\u00e1\u010dania<\/strong><\/p>\n

Oba v\u00fdstupn\u00e9 hriadele je mo\u017en\u00e9 nakonfigurova\u0165 na ot\u00e1\u010danie v smere alebo proti smeru hodinov\u00fdch ru\u010di\u010diek, pri\u010dom sa prisp\u00f4sob\u00ed vzoru prekrytia no\u017eov \u0161pecifikovan\u00e9mu v\u00fdrobcom kosa\u010dky. Protibe\u017en\u00e9 no\u017ee na kosa\u010dk\u00e1ch s dvoma no\u017emi tla\u010dia pokosen\u00fa tr\u00e1vu smerom do stredu a vytv\u00e1raj\u00fa \u010dist\u00fd v\u00fdhozov\u00fd p\u00e1s.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

Prisp\u00f4sobenie LF-199A k\u00f3rejsk\u00fdm syst\u00e9mom kosenia<\/h2>\n

Krmivo na pastvin\u00e1ch na hospod\u00e1rskych zvierat\u00e1ch<\/h3>\n

Mlie\u010dne a hov\u00e4dzie podniky v provinci\u00e1ch Chungcheong a Gangwon kosia pastviny medzi striedaniami pasienkov, aby kontrolovali v\u00fd\u0161ku buriny a podporili rovnomern\u00fd op\u00e4tovn\u00fd rast. Konfigur\u00e1cia s dvoma no\u017emi kos\u00ed \u0161ir\u0161\u00ed z\u00e1ber na jeden prejazd \u2013 zvy\u010dajne 2,0 a\u017e 2,5 metra \u2013 \u010d\u00edm sa zni\u017euje po\u010det potrebn\u00fdch prejazdov na ve\u013ek\u00fdch pastvin\u00e1ch. Pri 1 620 ot\u00e1\u010dkach za min\u00fatu vytv\u00e1raj\u00fa no\u017ee \u010dist\u00fd rez, ktor\u00fd sa hoj\u00ed r\u00fdchlej\u0161ie ako roztrhan\u00e9 hrany po pou\u017eit\u00ed pomal\u0161\u00edch rota\u010dn\u00fdch kosa\u010diek, \u010d\u00edm sa zni\u017euje stres rastl\u00edn po\u010das obdobia zotavenia pred \u010fal\u0161\u00edm cyklom pasenia.<\/p>\n

\u00dadr\u017eba mestsk\u00fdch parkov a \u0161portov\u00fdch ihr\u00edsk<\/h3>\n

K\u00f3rejsk\u00e9 mestsk\u00e9 zamestnanci, ktor\u00ed sa staraj\u00fa o verejn\u00e9 parky, \u0161kolsk\u00e9 ihrisk\u00e1 a \u0161portovisk\u00e1 v bl\u00edzkosti Soulu, Daejeonu a Pusanu, pou\u017e\u00edvaj\u00fa rota\u010dn\u00e9 kosa\u010dky s dvoma no\u017emi na dosiahnutie vysokej kvality kosenia tr\u00e1vnat\u00fdch porastov. Protibe\u017ene rotuj\u00face no\u017ee rozde\u013euj\u00fa pokosen\u00fa tr\u00e1vu rovnomerne, namiesto toho, aby ju rozde\u013eovali na jednu stranu. Kosa\u010dka LF-199A s v\u00fdkonom 33 kW zvl\u00e1da trval\u00e9 t\u00fd\u017edenn\u00e9 kosenie hust\u00fdch k\u00f3rejsk\u00fdch tr\u00e1vnat\u00fdch druhov vr\u00e1tane bentley a bermudskej tr\u00e1vy.<\/p>\n

Kontrola veget\u00e1cie pri cest\u00e1ch a na n\u00e1bre\u017e\u00ed<\/h3>\n

Provin\u010dn\u00e9 cestn\u00e9 oddelenia v provinci\u00e1ch Gyeonggi-do a Jeolla montuj\u00fa rota\u010dn\u00e9 kosa\u010dky so zadn\u00fdm v\u00fdhozom na traktory s v\u00fdkonom 50 \u2013 60 kon\u00ed na sez\u00f3nne kosenie pri cest\u00e1ch. Prekrytie dvoch no\u017eov eliminuje nepokosen\u00fd p\u00e1s, ktor\u00fd kosa\u010dky s jedn\u00fdm no\u017eom zanech\u00e1vaj\u00fa pozd\u013a\u017e stredu riadku \u2013 \u010do je d\u00f4le\u017eit\u00e9 pre \u010dist\u00e9 v\u00fdsledky na krajniciach vidite\u013en\u00fdch pre verejn\u00fa dopravu.<\/p>\n

\"Prevodovka<\/p>\n

<\/p>\n

540 ot.\/min. vs. 1000 ot.\/min. vstupu v\u00fdvodov\u00e9ho hriade\u013ea \u2013 v\u00fdber spr\u00e1vneho \u0161tandardu ot\u00e1\u010dok<\/h2>\n

Model LF-199A je navrhnut\u00fd pre v\u00fdvodov\u00fd hriade\u013e s ot\u00e1\u010dkami 540 ot.\/min. Prev\u00e1dzkovatelia, ktor\u00ed zva\u017euj\u00fa traktor s ot\u00e1\u010dkami 1 000 ot.\/min. na kosenie, by mali pochopi\u0165, ako \u0161tandard ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea ovplyv\u0148uje v\u00fdber prevodovky, v\u00fdstupn\u00fa r\u00fdchlos\u0165 a v\u00fdkon no\u017ea.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Charakteristick\u00fd<\/th>\nV\u00fdvodov\u00fd hriade\u013e 540 ot.\/min. (LF-199A)<\/th>\nV\u00fdvodov\u00fd hriade\u013e 1000 ot.\/min.<\/th>\n<\/tr>\n<\/thead>\n
Ot\u00e1\u010dky motora traktora pri menovitom v\u00fdvodovom hriadeli<\/td>\nNi\u017e\u0161ia (ni\u017e\u0161ia spotreba paliva)<\/strong><\/td>\nVy\u0161\u0161ia<\/td>\n<\/tr>\n
V\u00fdstupn\u00e1 r\u00fdchlos\u0165 (pomer 1:3)<\/td>\n1 620 ot.\/min.<\/td>\n3 000 ot.\/min. (pr\u00edli\u0161 r\u00fdchlo pre v\u00e4\u010d\u0161inu \u010depel\u00ed)<\/td>\n<\/tr>\n
Za\u0165a\u017eenie lo\u017eiska prevodovky<\/td>\nV r\u00e1mci menovit\u00e9ho rozsahu<\/td>\nPrekra\u010duje menovit\u00fa r\u00fdchlos\u0165 lo\u017eiska<\/td>\n<\/tr>\n
Ve\u013ekos\u0165 v\u00fdvodov\u00e9ho hriade\u013ea<\/td>\n1-3\/8\u2033 (6 dr\u00e1\u017eok) \u2013 v\u00e4\u010d\u0161ie, silnej\u0161ie<\/td>\n1-3\/8\u2033 (21 dr\u00e1\u017eok) \u2013 in\u00fd profil<\/td>\n<\/tr>\n
Dostupn\u00fd vstupn\u00fd kr\u00fatiaci moment<\/td>\nVy\u0161\u0161ia pri rovnakom v\u00fdkone<\/strong><\/td>\nNi\u017e\u0161ie (zv\u00fd\u0161enie r\u00fdchlosti, zn\u00ed\u017eenie kr\u00fatiaceho momentu)<\/td>\n<\/tr>\n
Kompatibilita s traktormi (K\u00f3rea)<\/td>\nV\u00e4\u010d\u0161ina kompaktn\u00fdch traktorov s v\u00fdkonom 25 \u2013 60 HP<\/td>\nPredov\u0161etk\u00fdm traktory s v\u00fdkonom 80+ HP<\/td>\n<\/tr>\n
Hladina hluku<\/td>\nNi\u017e\u0161ie<\/td>\nVy\u0161\u0161ia<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Pre k\u00f3rejsk\u00e9 kosenie na traktoroch s v\u00fdkonom 45 \u2013 60 kon\u00ed je \u0161tandard 540 ot.\/min. spr\u00e1vnou vo\u013ebou. V\u00fdstup 1 620 ot.\/min. z prevodov\u00e9ho pomeru 1:3 u\u017e poskytuje r\u00fdchlos\u0165 no\u017eov potrebn\u00fa pre \u010dist\u00e9 kosenie. Prev\u00e1dzka tej istej prevodovky s v\u00fdvodov\u00fdm hriade\u013eom s ot\u00e1\u010dkami 1 000 ot.\/min. by zv\u00fd\u0161ila v\u00fdkon na 3 000 ot.\/min. \u2013 \u010do je v\u00fdrazne nad bezpe\u010dn\u00fdmi prev\u00e1dzkov\u00fdmi limitmi pre \u0161tandardn\u00e9 no\u017ee \u017eac\u00edch strojov a nad menovit\u00e9 ot\u00e1\u010dky lo\u017eiska prevodovky. Farmy s traktormi s ot\u00e1\u010dkami 1 000 ot.\/min. potrebuj\u00fa... prevodovky so zvy\u0161ova\u010dmi ot\u00e1\u010dok v\u00fdvodov\u00e9ho hriade\u013ea<\/strong> variant s ni\u017e\u0161\u00edm pomerom (1:1,5 alebo 1:2) na dosiahnutie rovnak\u00e9ho v\u00fdstupn\u00e9ho rozsahu.<\/p>\n

<\/p>\n

Anal\u00fdza \u00fa\u010dinnosti prenosu a prev\u00e1dzkov\u00fdch n\u00e1kladov<\/h2>\n

\u0160pir\u00e1lov\u00fd prevodov\u00fd mechanizmus na zv\u00fd\u0161enie r\u00fdchlosti kosa\u010dky LF-199A pracuje pri norm\u00e1lnom za\u0165a\u017een\u00ed s mechanickou \u00fa\u010dinnos\u0165ou 96 \u2013 981 TP3T \u2013 \u010do znamen\u00e1, \u017ee z 33 kW vstupn\u00e9ho v\u00fdkonu sa str\u00e1ca iba 2 \u2013 41 TP3T ako teplo v z\u00e1bere ozuben\u00fdch kolies a trenie v lo\u017eisk\u00e1ch. Porovnajte to s alternat\u00edvnymi sp\u00f4sobmi pohonu kosa\u010dky:<\/p>\n