{"id":1207,"date":"2026-05-20T03:49:46","date_gmt":"2026-05-20T03:49:46","guid":{"rendered":"https:\/\/pto-gearbox.net\/?p=1207"},"modified":"2026-05-20T03:49:46","modified_gmt":"2026-05-20T03:49:46","slug":"feed-mixer-gearbox-engineering-for-extreme-torque-loads","status":"publish","type":"post","link":"https:\/\/pto-gearbox.net\/cs\/feed-mixer-gearbox-engineering-for-extreme-torque-loads\/","title":{"rendered":"P\u0159evodovka krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed: Konstrukce pro extr\u00e9mn\u00ed zat\u00ed\u017een\u00ed kroutic\u00edm momentem"},"content":{"rendered":"
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P\u0159evodovka krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed: Konstrukce pro extr\u00e9mn\u00ed zat\u00ed\u017een\u00ed kroutic\u00edm momentem<\/h1>\n

Jeden krmn\u00fd m\u00edchac\u00ed stroj TMR (Total Mixed Ration) ve velk\u00e9m ml\u00e9k\u00e1rensk\u00e9m provozu zpracuje denn\u011b 30 000 a\u017e 50 000 kg krmn\u00e9 sm\u011bsi \u2013 hust\u00e9ho, vlhk\u00e9ho, vl\u00e1knit\u00e9ho materi\u00e1lu, kter\u00fd je odoln\u00fd v\u016f\u010di pohybu, \u0159ez\u00e1n\u00ed a m\u00edch\u00e1n\u00ed. P\u0159evodovka poh\u00e1n\u011bj\u00edc\u00ed ka\u017ed\u00fd m\u00edchac\u00ed \u0161nek nese jedno z nejvy\u0161\u0161\u00edch trval\u00fdch zat\u00ed\u017een\u00ed kroutic\u00edm momentem ze v\u0161ech zem\u011bd\u011blsk\u00fdch aplikac\u00ed poh\u00e1n\u011bn\u00fdch v\u00fdvodov\u00fdm h\u0159\u00eddelem a pracuje 4 a\u017e 8 hodin denn\u011b, 365 dn\u00ed v roce, s nulovou toleranc\u00ed k nepl\u00e1novan\u00fdm prostoj\u016fm.<\/p>\n

Z\u00edskat technick\u00e9 specifikace<\/a><\/p>\n<\/div>\n<\/div>\n

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<\/p>\n

Co d\u011bl\u00e1 p\u0159evodovka krmn\u00e9ho m\u00edchac\u00edho vozu \u2013 a pro\u010d je jedine\u010dn\u00e1<\/h2>\n

A p\u0159evodovka pro krmn\u00e9 m\u00edcha\u010dky<\/a> p\u0159ev\u00e1d\u00ed ot\u00e1\u010dky v\u00fdvodov\u00e9ho h\u0159\u00eddele traktoru na extr\u00e9mn\u011b n\u00edzk\u00e9 ot\u00e1\u010dky a extr\u00e9mn\u011b vysok\u00fd to\u010div\u00fd moment pot\u0159ebn\u00fd k ot\u00e1\u010den\u00ed jednoho nebo v\u00edce velk\u00fdch \u0161nek\u016f skrz vanu napln\u011bnou hust\u00fdm krmivem. Zat\u00edmco p\u0159evodovka v\u00fdvodov\u00e9ho h\u0159\u00eddele rota\u010dn\u00edho \u0159ezac\u00edho stroje m\u016f\u017ee sn\u00ed\u017eit ot\u00e1\u010dky z 540 ot.\/min na 350 ot.\/min (pom\u011br 1,5:1) a p\u0159evodovka lisu na 40 ot.\/min (pom\u011br 13:1), p\u0159evodovka m\u00edchac\u00edho za\u0159\u00edzen\u00ed krmiva obvykle dod\u00e1v\u00e1 ot\u00e1\u010dky \u0161neku 15 a\u017e 30 ot.\/min \u2013 co\u017e vy\u017eaduje celkov\u00e9 reduk\u010dn\u00ed pom\u011bry 18:1 a\u017e 36:1 nebo v\u00edce.<\/p>\n

T\u011bchto extr\u00e9mn\u00edch p\u0159evodov\u00fdch pom\u011br\u016f nelze dos\u00e1hnout s jedinou sadou p\u0159evodov\u00fdch stup\u0148\u016f v praktick\u00e9 velikosti. P\u0159evodovky krmn\u00fdch m\u00edcha\u010dek proto pou\u017e\u00edvaj\u00ed v\u00edcestup\u0148ovou redukci \u2013 \u010dasto kombinuj\u00ed pravo\u00fahl\u00fd ku\u017eelov\u00fd vstupn\u00ed stupe\u0148 s jedn\u00edm nebo v\u00edce planetov\u00fdmi p\u0159evodov\u00fdmi stupni, kter\u00e9 zn\u00e1sobuj\u00ed to\u010div\u00fd moment na \u00farovn\u011b, kter\u00e9 p\u0159evy\u0161uj\u00ed t\u00e9m\u011b\u0159 v\u0161echny ostatn\u00ed zem\u011bd\u011blsk\u00e9 aplikace s v\u00fdvodov\u00fdm h\u0159\u00eddelem. Traktor s v\u00fdkonem 100 kon\u00ed s v\u00fdvodov\u00fdm h\u0159\u00eddelem, kter\u00fd dosahuje 540 ot.\/min a vstupn\u00edho to\u010div\u00e9ho momentu p\u0159ibli\u017en\u011b 975 ft-lb, propojen\u00fd s p\u0159evodovkou 25:1 s \u00fa\u010dinnost\u00ed 95%, produkuje v\u00fdstupn\u00ed to\u010div\u00fd moment zhruba 23 000 ft-lb p\u0159i 21,6 ot.\/min. Toto je technick\u00e1 realita uvnit\u0159 sk\u0159\u00edn\u011b p\u0159evodovky velk\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed TMR.<\/p>\n

D\u016fsledky selh\u00e1n\u00ed p\u0159evodovky p\u0159i m\u00edch\u00e1n\u00ed krmiva jsou okam\u017eit\u00e9 a z\u00e1va\u017en\u00e9. St\u00e1do dojnic, kter\u00e9 nedodr\u017e\u00ed svou denn\u00ed d\u00e1vku TMR, sn\u00ed\u017e\u00ed produkci ml\u00e9ka do 24 hodin. V\u00fdkrmna pro hov\u011bz\u00ed maso, kter\u00e1 nedok\u00e1\u017ee dodat denn\u00ed d\u00e1vku, \u010del\u00ed jak ztr\u00e1t\u00e1m produkce, tak i povinnostem v oblasti dobr\u00fdch \u017eivotn\u00edch podm\u00ednek zv\u00ed\u0159at. Spolehlivost p\u0159evodovky krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed nen\u00ed jen ot\u00e1zkou vybaven\u00ed \u2013 je to nezbytnost pro management hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at.<\/p>\n

\"Produkt<\/div>\n

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Planetov\u00e9 p\u0159evodovky: Pro\u010d je pou\u017e\u00edvaj\u00ed krmn\u00e9 m\u00edcha\u010dky<\/h2>\n

Planetov\u00e9 (epicyklick\u00e9) p\u0159evodov\u00e9 syst\u00e9my jsou ur\u010duj\u00edc\u00edm mechanick\u00fdm prvkem p\u0159evodovek krmn\u00fdch m\u00edcha\u010dek. Planetov\u00e9 soukol\u00ed se skl\u00e1d\u00e1 z centr\u00e1ln\u00edho centr\u00e1ln\u00edho kola, vn\u011bj\u0161\u00edho ozuben\u00e9ho v\u011bnce (prstence) a t\u0159\u00ed nebo \u010dty\u0159 planetov\u00fdch kol namontovan\u00fdch na nosi\u010di, kter\u00fd se ot\u00e1\u010d\u00ed mezi centr\u00e1ln\u00edm a v\u011bncem. Toto uspo\u0159\u00e1d\u00e1n\u00ed poskytuje n\u011bkolik z\u00e1sadn\u00edch v\u00fdhod oproti jednoduch\u00fdm \u010deln\u00edm nebo ku\u017eelov\u00fdm soukol\u00edm pro aplikace m\u00edch\u00e1n\u00ed krmiva:<\/p>\n

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

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Extr\u00e9mn\u00ed hustota to\u010div\u00e9ho momentu<\/p>\n

Zat\u00ed\u017een\u00ed sd\u00edl\u00ed v\u00edce planetov\u00fdch p\u0159evodovek sou\u010dasn\u011b \u2013 obvykle t\u0159i nebo \u010dty\u0159i planetov\u00e9 p\u0159evodovky, z nich\u017e ka\u017ed\u00e1 nese p\u0159ibli\u017en\u011b jednu t\u0159etinu nebo \u010dtvrtinu celkov\u00e9ho to\u010div\u00e9ho momentu. To znamen\u00e1, \u017ee planetov\u00e1 p\u0159evodovka m\u016f\u017ee p\u0159en\u00e1\u0161et 3\u20134\u00d7 v\u011bt\u0161\u00ed to\u010div\u00fd moment ne\u017e p\u0159evodovka s rovnob\u011b\u017en\u00fdm h\u0159\u00eddelem stejn\u00e9ho pr\u016fm\u011bru. U m\u00edchac\u00edch za\u0159\u00edzen\u00ed krmiva to umo\u017e\u0148uje, aby se p\u0159evodovka ve\u0161la do omezen\u00e9ho prostoru pod m\u00edchac\u00ed vanou a z\u00e1rove\u0148 zvl\u00e1dla v\u00fdstupn\u00ed to\u010div\u00fd moment p\u0159es 20 000 Nm.<\/p>\n<\/div>\n<\/div>\n

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

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Vysok\u00fd p\u0159evodov\u00fd pom\u011br v kompaktn\u00edch stupn\u00edch<\/p>\n

Jeden planetov\u00fd stupe\u0148 dosahuje p\u0159evodov\u00fdch pom\u011br\u016f 3:1 a\u017e 10:1 v z\u00e1vislosti na po\u010dtu zub\u016f mezi ozuben\u00fdm kolem a v\u011bncem. Dva stupn\u011b zapojen\u00e9 do s\u00e9rie dosahuj\u00ed p\u0159evodov\u00fdch pom\u011br\u016f 9:1 a\u017e 100:1. Dvoustup\u0148ov\u00fd planetov\u00fd stupe\u0148 v kombinaci s ku\u017eelov\u00fdm vstupn\u00edm stupn\u011bm snadno dosahuje celkov\u00e9ho pom\u011bru 18:1 a\u017e 36:1, kter\u00fd je pro m\u00edch\u00e1n\u00ed krmiva vy\u017eadov\u00e1n \u2013 a to v krytu dostate\u010dn\u011b mal\u00e9m pro svislou mont\u00e1\u017e pod dno m\u00edchac\u00ed vany.<\/p>\n<\/div>\n<\/div>\n

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

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Koaxi\u00e1ln\u00ed vstup\/v\u00fdstup<\/p>\n

V\u00fdstupn\u00ed h\u0159\u00eddel (una\u0161e\u010d planetov\u00fdch kol nebo ozuben\u00fd v\u011bnec, v z\u00e1vislosti na konfiguraci) je soust\u0159edn\u00fd se vstupem. To umo\u017e\u0148uje p\u0159ipojen\u00ed h\u0159\u00eddele \u0161neku p\u0159\u00edmo pod p\u0159evodovku bez pou\u017eit\u00ed odsazen\u00fdch adapt\u00e9r\u016f nebo spojovac\u00edch h\u0159\u00eddel\u00ed \u2013 zjednodu\u0161uje se konstruk\u010dn\u00ed spojen\u00ed mezi p\u0159evodovkou a \u0161nekem a eliminuj\u00ed se komponenty citliv\u00e9 na souosost.<\/p>\n<\/div>\n<\/div>\n

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

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Vyv\u00e1\u017een\u00e9 radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed<\/p>\n

Proto\u017ee je kolem soukol\u00ed uspo\u0159\u00e1d\u00e1no v\u00edce planetov\u00fdch kol, radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed lo\u017eisek od sil z\u00e1b\u011bru ozuben\u00fdch kol se vz\u00e1jemn\u011b vyru\u0161\u00ed. To dramaticky sni\u017euje nam\u00e1h\u00e1n\u00ed lo\u017eiska ve srovn\u00e1n\u00ed s uspo\u0159\u00e1d\u00e1n\u00edm dvou paraleln\u00edch h\u0159\u00eddel\u00ed, kde je ve\u0161ker\u00e1 odd\u011blovac\u00ed s\u00edla soust\u0159ed\u011bna na jednu sadu lo\u017eisek. V aplikac\u00edch s nep\u0159etr\u017eit\u00fdm provozem, jako je m\u00edch\u00e1n\u00ed krmiva, toto vyv\u00e1\u017een\u00e9 zat\u00ed\u017een\u00ed v\u00fdrazn\u011b prodlu\u017euje \u017eivotnost lo\u017eiska.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

Konfigurace jednoho vs. dvojit\u00e9ho \u0161neku a d\u016fsledky pro p\u0159evodovku<\/h2>\n

M\u00edcha\u010dky krmiva se vyr\u00e1b\u011bj\u00ed ve dvou z\u00e1kladn\u00edch konfigurac\u00edch a po\u017eadavky na p\u0159evodovku se mezi nimi podstatn\u011b li\u0161\u00ed:<\/p>\n

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1\ufe0f\u20e3<\/p>\n

Jedno\u0161nekov\u00fd (vertik\u00e1ln\u00ed m\u00edcha\u010d)<\/p>\n

Jeden velk\u00fd vertik\u00e1ln\u00ed \u0161nek se ot\u00e1\u010d\u00ed uvnit\u0159 kulat\u00e9 nebo ku\u017eelov\u00e9 vany. Krmivo je nas\u00e1v\u00e1no dol\u016f st\u0159edem a tla\u010deno nahoru pod\u00e9l st\u011bn vany. Jedna p\u0159evodovka na \u0161nek, namontovan\u00e1 na dn\u011b vany. P\u0159evodovka nese pln\u00e9 m\u00edchac\u00ed zat\u00ed\u017een\u00ed na jednom v\u00fdstupn\u00edm h\u0159\u00eddeli. Typick\u00e9 pro m\u00edcha\u010dky s objemem do 500 krychlov\u00fdch stop (mal\u00e9 a\u017e st\u0159edn\u00ed ml\u00e9\u010dn\u00e9 provozy).<\/p>\n<\/div>\n

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2\ufe0f\u20e3<\/p>\n

Dvojit\u00fd \u0161nekov\u00fd m\u00edcha\u010d (dvou\u0161nekov\u00fd m\u00edcha\u010d)<\/p>\n

Dva protib\u011b\u017en\u00e9 vertik\u00e1ln\u00ed \u0161neky sd\u00edlej\u00ed m\u00edchac\u00ed z\u00e1t\u011b\u017e. Ka\u017ed\u00fd \u0161nek m\u00e1 vlastn\u00ed p\u0159evodovku, poh\u00e1n\u011bnou spole\u010dn\u00fdm vstupn\u00edm h\u0159\u00eddelem z v\u00fdvodov\u00e9ho h\u0159\u00eddele p\u0159es rozd\u011blovac\u00ed p\u0159evodovku s k\u0159\u00ed\u017eov\u00fdm h\u0159\u00eddelem. Celkov\u00fd to\u010div\u00fd moment je rozd\u011blen mezi dv\u011b p\u0159evodovky, ale ob\u011b mus\u00ed b\u00fdt synchronizovan\u00e9, aby se zabr\u00e1nilo vz\u00e1jemn\u00e9mu p\u016fsoben\u00ed \u0161nek\u016f. Typick\u00e9 pro velk\u00e9 komer\u010dn\u00ed m\u00edcha\u010dky o objemu 500\u20131200+ krychlov\u00fdch stop.<\/p>\n<\/div>\n<\/div>\n

U konstrukc\u00ed s dvojit\u00fdm \u0161nekem je synchroniza\u010dn\u00ed mechanismus z\u00e1sadn\u00ed \u2013 pokud se jeden \u0161nek ot\u00e1\u010d\u00ed o n\u011bco rychleji ne\u017e druh\u00fd, krmn\u00fd materi\u00e1l je tla\u010den na jednu stranu vany, co\u017e vede k nerovnom\u011brn\u00e9mu m\u00edch\u00e1n\u00ed a asymetrick\u00e9mu struktur\u00e1ln\u00edmu zat\u00ed\u017een\u00ed podvozku m\u00edcha\u010dky. P\u0159esn\u00e1 v\u00fdroba ozuben\u00fdch kol (kvalita AGMA 10+) v rozd\u011blovac\u00ed p\u0159evodovce zaji\u0161\u0165uje, \u017ee oba pohony \u0161nek\u016f dost\u00e1vaj\u00ed stejn\u00fd to\u010div\u00fd moment p\u0159i stejn\u00e9 rychlosti. Levn\u011bj\u0161\u00ed p\u0159evodovky s voln\u011bj\u0161\u00edmi tolerancemi umo\u017e\u0148uj\u00ed dostate\u010dn\u00e9 kol\u00eds\u00e1n\u00ed ot\u00e1\u010dek mezi stranami, co\u017e ohro\u017euje rovnom\u011brnost krmn\u00e9 d\u00e1vky \u2013 probl\u00e9m, kter\u00fd je neviditeln\u00fd, dokud data o produkci ml\u00e9ka nebo pom\u011bry konverze krmiva neodhal\u00ed nesrovnalost.<\/p>\n

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\"Rozm\u011brov\u00fd<\/div>\n

Rozm\u011brov\u00e1 reference p\u0159evodovky krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed \u2013 vertik\u00e1ln\u00ed mont\u00e1\u017en\u00ed konfigurace se vstupn\u00ed h\u0159\u00eddel\u00ed a v\u00fdstupn\u00ed p\u0159\u00edrubou pro p\u0159\u00edm\u00e9 p\u0159ipojen\u00ed \u0161neku<\/p>\n<\/div>\n

<\/p>\n

V\u00fdpo\u010det kapacity p\u0159evodovky z hustoty vstupn\u00edho materi\u00e1lu a objemu vany<\/h2>\n

Dimenzov\u00e1n\u00ed p\u0159evodovky krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed za\u010d\u00edn\u00e1 hmotnost\u00ed materi\u00e1lu, kter\u00fd mus\u00ed \u0161nek pohybovat. Hustota krmiva TMR se dramaticky li\u0161\u00ed v z\u00e1vislosti na slo\u017ek\u00e1ch:<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Komponenta krmiva<\/th>\nObjemov\u00e1 hustota (kg\/m\u00b3)<\/th>\nObt\u00ed\u017enost m\u00edch\u00e1n\u00ed<\/th>\nFaktor to\u010div\u00e9ho momentu<\/th>\n<\/tr>\n<\/thead>\n
Such\u00e9 seno (nasekan\u00e9)<\/td>\n60\u2013120<\/td>\nN\u00edzk\u00fd<\/td>\n1,0\u00d7 (v\u00fdchoz\u00ed hodnota)<\/td>\n<\/tr>\n
Kuku\u0159i\u010dn\u00e1 sil\u00e1\u017e<\/td>\n250\u2013350<\/td>\nM\u00edrn\u00fd<\/td>\n1,5\u00d7<\/td>\n<\/tr>\n
Mokr\u00e9 pal\u00edrny<\/td>\n400\u2013550<\/td>\nVysok\u00fd<\/td>\n2,0\u00d7<\/td>\n<\/tr>\n
Obiloviny \/ koncentr\u00e1ty<\/td>\n600\u2013800<\/td>\nM\u00edrn\u00fd<\/td>\n1,8\u00d7<\/td>\n<\/tr>\n
Kompletn\u00ed sm\u011bs TMR (typick\u00e1)<\/td>\n300\u2013500<\/td>\nVysok\u00fd<\/td>\n2,0\u20132,5\u00d7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

P\u0159evodovka mus\u00ed b\u00fdt dimenzov\u00e1na pro sc\u00e9n\u00e1\u0159 s nejvy\u0161\u0161\u00ed hustotou nakl\u00e1d\u00e1n\u00ed, nikoli pro pr\u016fm\u011brnou. M\u00edchac\u00ed stroj o objemu 600 krychlov\u00fdch stop (cca 600 krychlov\u00fdch stop) nalo\u017een\u00fd obil\u00edm a sil\u00e1\u017e\u00ed z mokr\u00fdch v\u00fdpal\u016f m\u016f\u017ee p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed v\u00e1\u017eit 8 000\u201312 000 kg \u2013 a \u0161nek mus\u00ed celou tuto hmotu ot\u00e1\u010det a z\u00e1rove\u0148 pro\u0159ez\u00e1vat dlouhovl\u00e1knit\u00e9 seno, aby se dos\u00e1hlo rovnom\u011brn\u00e9 sm\u011bsi. To\u010div\u00fd moment pot\u0159ebn\u00fd k zah\u00e1jen\u00ed ot\u00e1\u010den\u00ed z klidov\u00e9ho stavu (spou\u0161t\u011bc\u00ed to\u010div\u00fd moment) je 1,5\u00d7 a\u017e 2,5\u00d7 vy\u0161\u0161\u00ed ne\u017e to\u010div\u00fd moment pot\u0159ebn\u00fd k udr\u017een\u00ed ot\u00e1\u010den\u00ed, jakmile se materi\u00e1l pohybuje.<\/p>\n

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\u26a0\ufe0f Probl\u00e9m s rozb\u011bhov\u00fdm momentem<\/p>\n

Nejnebezpe\u010dn\u011bj\u0161\u00edm okam\u017eikem pro p\u0159evodovku krmn\u00e9ho m\u00edchac\u00edho vozu je prvn\u00ed ot\u00e1\u010dka po nalo\u017een\u00ed. Materi\u00e1l se b\u011bhem nakl\u00e1d\u00e1n\u00ed usadil a zhutnil a \u0161nek ho mus\u00ed z mrtv\u00e9ho bodu vytrhnout. Pokud obsluha nejprve nalo\u017eila t\u011b\u017ek\u00e9 p\u0159\u00edsady (obil\u00ed a pot\u00e9 navrch sil\u00e1\u017e), zhutn\u011bn\u00e1 spodn\u00ed vrstva vytvo\u0159\u00ed \u0161pi\u010dku to\u010div\u00e9ho momentu p\u0159i rozb\u011bhu, kter\u00e1 m\u016f\u017ee p\u0159ekro\u010dit 3n\u00e1sobek ust\u00e1len\u00e9ho provozn\u00edho momentu. Kvalitn\u00ed p\u0159evodovky jsou dimenzov\u00e1ny na tento rozb\u011bhov\u00fd stav. Levn\u00e9 p\u0159evodovky, kter\u00e9 jsou dimenzov\u00e1ny pouze na provozn\u00ed moment, selh\u00e1vaj\u00ed p\u0159i prvn\u00edm studen\u00e9m startu s pln\u00fdm zat\u00ed\u017een\u00edm \u2013 obvykle st\u0159ihem h\u0159\u00eddele centr\u00e1ln\u00edho kola nebo zlomen\u00edm zubu planetov\u00e9ho kola v ko\u0159eni.<\/p>\n<\/div>\n

<\/p>\n

Tepeln\u00fd management pro kontinu\u00e1ln\u00ed m\u00edch\u00e1n\u00ed krmiva<\/h2>\n

M\u00edcha\u010dky krmiva funguj\u00ed v nep\u0159etr\u017eit\u00e9m cyklu, co\u017e je odli\u0161uje od t\u00e9m\u011b\u0159 v\u0161ech ostatn\u00edch aplikac\u00ed s v\u00fdvodov\u00fdm h\u0159\u00eddelem. V ml\u00e9\u010dn\u00e9m provozu je m\u00edcha\u010dka provozov\u00e1na 4\u20138 hodin denn\u011b, ka\u017ed\u00fd den, po cel\u00fd rok. Komer\u010dn\u00ed v\u00fdkrmna m\u016f\u017ee provozovat n\u011bkolik m\u00edchac\u00edch cykl\u016f denn\u011b, co\u017e celkem p\u0159edstavuje 6\u201312 hodin provozu. P\u0159evodovka mus\u00ed b\u011bhem t\u011bchto dlouh\u00fdch provozn\u00edch obdob\u00ed nep\u0159etr\u017eit\u011b odv\u00e1d\u011bt teplo, ani\u017e by p\u0159ekro\u010dila tepeln\u00e9 limity p\u0159evodov\u00e9ho oleje nebo maziva lo\u017eisek.<\/p>\n

Teplo v planetov\u00e9 p\u0159evodovce poch\u00e1z\u00ed ze t\u0159\u00ed zdroj\u016f: t\u0159en\u00ed v z\u00e1b\u011bru ozuben\u00fdch kol (kontakt zub\u016f za extr\u00e9mn\u00edho tlaku), valiv\u00e9 t\u0159en\u00ed v lo\u017eisku (planetov\u00e1 lo\u017eiska nesou obrovsk\u00e9 zat\u00ed\u017een\u00ed p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch) a v\u00ed\u0159en\u00ed oleje (m\u00e9n\u011b v\u00fdznamn\u00e9 u p\u0159evodovek m\u00edchac\u00edch za\u0159\u00edzen\u00ed, proto\u017ee v\u00fdstupn\u00ed ot\u00e1\u010dky jsou tak n\u00edzk\u00e9 \u2013 obvykle pod 30 ot\/min). Dominantn\u00edm zdrojem tepla je t\u0159en\u00ed v z\u00e1b\u011bru ozuben\u00fdch kol, zejm\u00e9na u planetov\u00fdch stup\u0148\u016f s vysok\u00fdm to\u010div\u00fdm momentem, kde kontaktn\u00ed tlak mezi zuby planetov\u00e9ho kola a ozuben\u00fdm v\u011bncem dosahuje hodnot bl\u00ed\u017e\u00edc\u00edch se mezi kluzu materi\u00e1lu.<\/p>\n

Proto\u017ee p\u0159evodovky m\u00edchac\u00edch za\u0159\u00edzen\u00ed krmiva jsou montov\u00e1ny svisle pod m\u00edchac\u00ed vanou, je p\u0159irozen\u00e1 konvekce omezen\u00e1 \u2013 teplo nem\u016f\u017ee snadno unikat z pouzdra obklopen\u00e9ho r\u00e1movou konstrukc\u00ed m\u00edcha\u010dky. Kvalitn\u00ed v\u00fdrobci to \u0159e\u0161\u00ed velkorysou tlou\u0161\u0165kou st\u011bn pouzdra (kter\u00e9 slou\u017e\u00ed jako chladi\u010d), obr\u00e1b\u011bn\u00fdmi vn\u011bj\u0161\u00edmi chladic\u00edmi \u017eebry, kter\u00e1 zv\u011bt\u0161uj\u00ed povrch pro konvekci, a v n\u011bkter\u00fdch p\u0159\u00edpadech i instalace extern\u00edho olejov\u00e9ho cirkula\u010dn\u00edho \u010derpadla, kter\u00e9 pohybuje hork\u00fdm olejem p\u0159es chladi\u010d vzduch-olej namontovan\u00fd tam, kde je k dispozici proud\u011bn\u00ed vzduchu.<\/p>\n

Pro ml\u00e9k\u00e1rensk\u00e9 provozy v tepl\u00e9m podneb\u00ed s prodlou\u017een\u00fdmi cykly m\u00edch\u00e1n\u00ed poskytuje syntetick\u00fd p\u0159evodov\u00fd olej (na b\u00e1zi PAO EP 80W-90) m\u011b\u0159iteln\u00e9 sn\u00ed\u017een\u00ed teploty ve srovn\u00e1n\u00ed s miner\u00e1ln\u00edm olejem \u2013 obvykle o 8\u201315 \u00b0C ni\u017e\u0161\u00ed rovnov\u00e1\u017enou teplotu za stejn\u00fdch podm\u00ednek zat\u00ed\u017een\u00ed. Tento teplotn\u00ed rozd\u00edl p\u0159\u00edmo prodlu\u017euje \u017eivotnost oleje, \u017eivotnost t\u011bsn\u011bn\u00ed a \u017eivotnost lo\u017eisek.<\/p>\n

\"P\u0159evodovka<\/div>\n

<\/p>\n

V\u00fdb\u011br lo\u017eiska pro extr\u00e9mn\u00ed trval\u00fd kroutic\u00ed moment<\/h2>\n

Lo\u017eiskov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed v p\u0159evodovce krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed mus\u00ed sn\u00e1\u0161et nejvy\u0161\u0161\u00ed trval\u00e9 zat\u00ed\u017een\u00ed ze v\u0161ech zem\u011bd\u011blsk\u00e1 p\u0159evodovka<\/strong> aplikace \u2013 a to po tis\u00edce hodin p\u0159i velmi n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch. Tento n\u00edzkorychlostn\u00ed provozn\u00ed re\u017eim s vysok\u00fdm to\u010div\u00fdm momentem p\u0159edstavuje specifickou technickou v\u00fdzvu: p\u0159i v\u00fdstupn\u00edch ot\u00e1\u010dk\u00e1ch pod 30 ot.\/min se hydrodynamick\u00fd olejov\u00fd film, kter\u00fd norm\u00e1ln\u011b odd\u011bluje valiv\u00e1 t\u011blesa od povrchu lo\u017eisek, nemus\u00ed pln\u011b rozvinout. Lo\u017eiska pracuj\u00ed v re\u017eimu mezn\u00edho maz\u00e1n\u00ed, kde doch\u00e1z\u00ed k p\u0159\u00edm\u00e9mu kontaktu kovu s kovem na mikroskopick\u00e9 \u00farovni.<\/p>\n

Aby p\u0159evodovky krmn\u00fdch m\u00edcha\u010dek v tomto re\u017eimu p\u0159e\u017eily, vy\u017eaduj\u00ed lo\u017eiska s prvot\u0159\u00eddn\u00ed povrchovou \u00fapravou jak na v\u00e1lc\u00edch, tak na ob\u011b\u017en\u00fdch drah\u00e1ch, p\u0159evodov\u00fd olej s p\u0159\u00edsadami EP, kter\u00fd vytv\u00e1\u0159\u00ed chemick\u00fd hrani\u010dn\u00ed film tam, kde hydrodynamick\u00fd film nen\u00ed dostate\u010dn\u00fd, a velkorys\u00e9 lo\u017eisko \u2013 naddimenzovan\u00e9 vzhledem ke statick\u00e9 \u00fanosnosti, aby byla zaji\u0161t\u011bna dostate\u010dn\u00e1 kontaktn\u00ed plocha na \u00farovni mikroskopick\u00e9 drsnosti. Ku\u017eel\u00edkov\u00e1 lo\u017eiska jsou univerz\u00e1ln\u00ed v hlavn\u00ed v\u00fdstupn\u00ed poloze, proto\u017ee sou\u010dasn\u011b zvl\u00e1daj\u00ed extr\u00e9mn\u00ed radi\u00e1ln\u00ed zat\u00ed\u017een\u00ed od hmotnosti \u0161neku i axi\u00e1ln\u00ed axi\u00e1ln\u00ed s\u00edlu od \u0161neku.<\/p>\n

Lo\u017eiska planetov\u00fdch p\u0159evod\u016f p\u0159edstavuj\u00ed svou vlastn\u00ed v\u00fdzvu. Ot\u00e1\u010dej\u00ed se rychleji ne\u017e v\u00fdstupn\u00ed rychlost (obvykle 3\u20135\u00d7 v\u00fdstupn\u00ed ot\u00e1\u010dky, neboli 60\u2013150 ot.\/min), ale nesou obrovsk\u00e9 zat\u00ed\u017een\u00ed, proto\u017ee ka\u017ed\u00e1 planeta p\u0159en\u00e1\u0161\u00ed jednu t\u0159etinu a\u017e \u010dtvrtinu celkov\u00e9ho to\u010div\u00e9ho momentu. Jehlov\u00e1 lo\u017eiska s pln\u00fdm po\u010dtem valiv\u00fdch t\u011bles jsou v t\u00e9to poloze b\u011b\u017en\u00e1, proto\u017ee maximalizuj\u00ed po\u010det valiv\u00fdch t\u011bles v omezen\u00e9m pr\u016fm\u011bru d\u00edry planety, \u010d\u00edm\u017e zvy\u0161uj\u00ed nosnost bez zv\u011bt\u0161en\u00ed velikosti pouzdra.<\/p>\n

<\/p>\n

Postupy \u00fadr\u017eby p\u0159evodovek krmn\u00fdch m\u00edcha\u010dek<\/h2>\n

Nep\u0159etr\u017eit\u00fd, celoro\u010dn\u00ed provozn\u00ed cyklus krmn\u00fdch m\u00edcha\u010dek znamen\u00e1, \u017ee intervaly \u00fadr\u017eby jsou v porovn\u00e1n\u00ed se sez\u00f3nn\u00edmi za\u0159\u00edzen\u00edmi rychlej\u0161\u00ed z hlediska kalend\u00e1\u0159n\u00edho \u010dasu ne\u017e z hlediska provozn\u00edch hodin. P\u0159evodovka krmn\u00e9ho m\u00edcha\u010de nashrom\u00e1\u017ed\u00ed 1 500\u20133 000 provozn\u00edch hodin ro\u010dn\u011b \u2013 v\u00edce ne\u017e v\u011bt\u0161ina zem\u011bd\u011blsk\u00e9ho n\u00e1\u0159ad\u00ed nashrom\u00e1\u017ed\u00ed za deset let.<\/p>\n

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\u2705<\/span><\/p>\n

Denn\u011b: Kontrola hladiny a stavu oleje<\/strong> \u2014 Ka\u017ed\u00fd den p\u0159ed prvn\u00edm m\u00edch\u00e1n\u00edm zkontrolujte hladinu oleje v pr\u016fzoru. Hledejte z\u00e1kal (kontaminace vodou z vysokotlak\u00e9ho oplachu vany pronikaj\u00edc\u00ed skrz t\u011bsn\u011bn\u00ed) a kovov\u00e9 \u010d\u00e1stice (opot\u0159eben\u00ed ozuben\u00e9ho kola nebo lo\u017eiska). Jak\u00e1koli anom\u00e1lie vy\u017eaduje okam\u017eit\u00e9 vy\u0161et\u0159en\u00ed \u2013 n\u00e1klady na p\u0159ed\u010dasnou v\u00fdm\u011bnu oleje jsou zanedbateln\u00e9 ve srovn\u00e1n\u00ed s poruchou lo\u017eiska b\u011bhem m\u00edch\u00e1n\u00ed.<\/p>\n<\/div>\n

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\u2705<\/span><\/p>\n

Ka\u017ed\u00fdch 250 hodin: Kompletn\u00ed v\u00fdm\u011bna oleje<\/strong> \u2014 P\u0159evodovky krmn\u00fdch m\u00edcha\u010dek pracuj\u00ed s vy\u0161\u0161\u00edm trval\u00fdm zat\u00ed\u017een\u00edm ne\u017e v\u011bt\u0161ina aplikac\u00ed s v\u00fdvodov\u00fdm h\u0159\u00eddelem, co\u017e zp\u016fsobuje rychlej\u0161\u00ed spot\u0159ebu oleje. Zcela vypus\u0165te olej, zkontrolujte magnetickou vypou\u0161t\u011bc\u00ed z\u00e1tku, zda neobsahuje mno\u017estv\u00ed ne\u010distot a typ \u010d\u00e1stic (jemn\u00fd kal = norm\u00e1ln\u00ed opot\u0159eben\u00ed; t\u0159\u00edsky nebo vlo\u010dky = abnorm\u00e1ln\u00ed) a dopl\u0148te \u010derstv\u00fd olej EP 80W-90 nebo syntetick\u00fd ekvivalent.<\/p>\n<\/div>\n

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\u2705<\/span><\/p>\n

Ka\u017ed\u00fdch 500 hodin: Kontrola t\u011bsn\u011bn\u00ed<\/strong> \u2014 Vizu\u00e1ln\u011b zkontrolujte v\u0161echna t\u011bsn\u011bn\u00ed h\u0159\u00eddele, zda nedoch\u00e1z\u00ed k prosakov\u00e1n\u00ed oleje. Vertik\u00e1ln\u00ed mont\u00e1\u017e p\u0159evodovek m\u00edchadel znamen\u00e1, \u017ee gravitace neust\u00e1le p\u016fsob\u00ed na spodn\u00ed v\u00fdstupn\u00ed t\u011bsn\u011bn\u00ed. Vym\u011b\u0148te jak\u00e9koli t\u011bsn\u011bn\u00ed, kter\u00e9 vykazuje vlhkost, d\u0159\u00edve ne\u017e se do pouzdra dostane kontaminovan\u00e1 nap\u00e1jec\u00ed voda.<\/p>\n<\/div>\n

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\u2705<\/span><\/p>\n

Ro\u010dn\u011b: Posouzen\u00ed lo\u017eisek<\/strong> \u2014 S pr\u00e1zdn\u00fdm m\u00edchadlem a odpojen\u00fdm v\u00fdvodov\u00fdm h\u0159\u00eddelem ot\u00e1\u010dejte v\u00fdstupem ru\u010dn\u011b. Jak\u00e1koli znateln\u00e1 drsnost, zadrh\u00e1v\u00e1n\u00ed nebo odpor signalizuje opot\u0159eben\u00ed lo\u017eiska. Napl\u00e1nujte si v\u00fdm\u011bnu d\u0159\u00edve, ne\u017e lo\u017eisko porouch\u00e1 \u2013 vadn\u00e9 planetov\u00e9 lo\u017eisko v planetov\u00e9 p\u0159evodovce kontaminuje cel\u00e9 ozuben\u00e9 soukol\u00ed ne\u010distotami.<\/p>\n<\/div>\n

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\u2705<\/span><\/p>\n

Sledov\u00e1n\u00ed stavu hnac\u00edho \u00fastroj\u00ed PTO<\/strong> \u2014 Opot\u0159ebovan\u00fd V\u00fdvodov\u00fd h\u0159\u00eddel<\/a> s uvoln\u011bn\u00fdmi kardanov\u00fdmi klouby p\u0159en\u00e1\u0161\u00ed cyklick\u00e9 r\u00e1zov\u00e9 zat\u00ed\u017een\u00ed do vstupn\u00edho lo\u017eiska p\u0159evodovky. V prost\u0159ed\u00ed nep\u0159etr\u017eit\u00e9ho provozu s m\u00edch\u00e1n\u00edm krmiva se toto po\u0161kozen\u00ed rychle hromad\u00ed. Kardanov\u00e9 klouby proaktivn\u011b vym\u011b\u0148ujte p\u0159i prvn\u00edch zn\u00e1mk\u00e1ch v\u016fle.<\/p>\n<\/div>\n<\/div>\n

<\/p>\n

\u0158e\u0161en\u00ed probl\u00e9m\u016f s p\u0159evodovkou krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed<\/h2>\n
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\u26a0\ufe0f<\/span><\/p>\n

\u0160nek se nezapne p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed<\/strong> \u2014 Traktor se zastav\u00ed nebo se spojka proti p\u0159et\u00ed\u017een\u00ed v\u00fdvodov\u00e9ho h\u0159\u00eddele vypne d\u0159\u00edve, ne\u017e se \u0161nek za\u010dne ot\u00e1\u010det. To nazna\u010duje, \u017ee spou\u0161t\u011bc\u00ed moment p\u0159ekra\u010duje kapacitu p\u0159evodovky nebo traktoru. Po\u0159ad\u00ed pln\u011bn\u00ed m\u016f\u017ee b\u00fdt nespr\u00e1vn\u00e9 \u2013 nejprve vkl\u00e1dejte leh\u010d\u00ed p\u0159\u00edsady, nahoru t\u011b\u017e\u0161\u00ed. Pokud probl\u00e9m p\u0159etrv\u00e1v\u00e1 i p\u0159i spr\u00e1vn\u00e9m po\u0159ad\u00ed pln\u011bn\u00ed, p\u0159evodovka m\u016f\u017ee b\u00fdt poddimenzov\u00e1na pro objem vany a hustotu krmiva.<\/p>\n<\/div>\n

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

Abnorm\u00e1ln\u00ed hluk b\u011bhem mixov\u00e1n\u00ed<\/strong> \u2014 Nov\u00fd sk\u0159\u00edpav\u00fd, cvakav\u00fd nebo kv\u00edliv\u00fd zvuk b\u011bhem m\u00edch\u00e1n\u00ed nazna\u010duje vznikaj\u00edc\u00ed vnit\u0159n\u00ed po\u0161kozen\u00ed. Zastavte m\u00edcha\u010dku a ihned odeberte vzorek oleje. Kovov\u00e9 \u010d\u00e1stice potvrzuj\u00ed vnit\u0159n\u00ed opot\u0159eben\u00ed; sk\u0159\u00edpav\u00fd zvuk s \u010dist\u00fdm olejem m\u016f\u017ee nazna\u010dovat, \u017ee se lo\u017eisko za\u010d\u00edn\u00e1 odlupovat. Nepokra\u010dujte v provozu \u2013 katastrof\u00e1ln\u00ed porucha v napln\u011bn\u00e9 m\u00edcha\u010dce vy\u017eaduje vypr\u00e1zdn\u011bn\u00ed vany p\u0159ed zp\u0159\u00edstupn\u011bn\u00edm p\u0159evodovky.<\/p>\n<\/div>\n

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

P\u0159eh\u0159\u00e1t\u00ed p\u0159evodovky (sk\u0159\u00ed\u0148 p\u0159\u00edli\u0161 hork\u00e1 na dotek)<\/strong> \u2014 Zkontrolujte hladinu a typ oleje. Ujist\u011bte se, \u017ee vana nen\u00ed p\u0159et\u00ed\u017een\u00e1 nad stanovenou kapacitu. Zkontrolujte, zda je odvzdu\u0161\u0148ovac\u00ed otvor \u010dist\u00fd (n\u00e1r\u016fst tlaku zvy\u0161uje provozn\u00ed teplotu). Pokud je p\u0159evodovka spr\u00e1vn\u011b napln\u011bna, nen\u00ed p\u0159et\u00ed\u017een\u00e1 a st\u00e1le se p\u0159eh\u0159\u00edv\u00e1, jednotka nemus\u00ed m\u00edt dostate\u010dnou tepelnou kapacitu pro dan\u00fd pracovn\u00ed cyklus \u2013 zva\u017ete p\u0159echod na v\u011bt\u0161\u00ed t\u011bleso nebo na syntetick\u00fd p\u0159evodov\u00fd olej.<\/p>\n<\/div>\n

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

\u00danik oleje u v\u00fdstupn\u00edho (spodn\u00edho) t\u011bsn\u011bn\u00ed<\/strong> \u2014 Vertik\u00e1ln\u00ed mont\u00e1\u017e znamen\u00e1, \u017ee pln\u00e1 v\u00fd\u0161ka sloupce oleje tla\u010d\u00ed na v\u00fdstupn\u00ed t\u011bsn\u011bn\u00ed. V kombinaci s extr\u00e9mn\u00edm to\u010div\u00fdm momentem, kter\u00fd krout\u00ed v\u00fdstupn\u00ed h\u0159\u00eddel, je opot\u0159eben\u00ed t\u011bsn\u011bn\u00ed nej\u010dast\u011bj\u0161\u00ed polo\u017ekou \u00fadr\u017eby m\u00edchac\u00edch p\u0159evodovek. Vym\u011b\u0148te t\u011bsn\u011bn\u00ed; zkontrolujte tak\u00e9 povrch h\u0159\u00eddele, zda se na n\u011bm nevyskytuj\u00ed r\u00fdhy nebo dr\u00e1\u017eky od opot\u0159eben\u00ed, kter\u00e9 br\u00e1n\u00ed spr\u00e1vn\u00e9mu usazen\u00ed nov\u00e9ho t\u011bsn\u011bn\u00ed.<\/p>\n<\/div>\n<\/div>\n

\"D\u00edlna<\/div>\n

<\/p>\n

Z\u00edsk\u00e1n\u00ed n\u00e1hradn\u00ed p\u0159evodovky pro m\u00edcha\u010dku krmiva<\/h2>\n

V\u00fdm\u011bna p\u0159evodovky krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed nen\u00ed \u00fakol, u kter\u00e9ho je p\u0159ijateln\u00e1 nejlevn\u011bj\u0161\u00ed varianta. Nep\u0159etr\u017eit\u00fd pracovn\u00ed cyklus, extr\u00e9mn\u00ed zat\u00ed\u017een\u00ed kroutic\u00edm momentem a p\u0159\u00edm\u00fd dopad na produkci hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at \u010din\u00ed z kvality dominantn\u00ed krit\u00e9rium n\u00e1kupu. P\u0159i hodnocen\u00ed n\u00e1hrady ov\u011b\u0159te: materi\u00e1l planetov\u00e9ho p\u0159evodu (mus\u00ed to b\u00fdt cementovan\u00e1 legovan\u00e1 ocel, nikoli kalen\u00e1 uhl\u00edkov\u00e1 ocel), typ a zna\u010dku planetov\u00e9ho lo\u017eiska (uve\u010fte pouze v\u00fdrobce \u2013 SKF, NSK, NTN, Timken nebo ekvivalentn\u00ed \u00farove\u0148), materi\u00e1l v\u00fdstupn\u00edho t\u011bsn\u011bn\u00ed (minim\u00e1ln\u011b FKM pro prost\u0159ed\u00ed s vertik\u00e1ln\u00ed mont\u00e1\u017e\u00ed a vysok\u00fdm tlakov\u00fdm rozd\u00edlem) a zda v\u00fdrobce prov\u00e1d\u00ed z\u00e1t\u011b\u017eov\u00e9 zkou\u0161ky 100%, kter\u00e9 zahrnuj\u00ed simulaci spou\u0161t\u011bc\u00edho kroutic\u00edho momentu.<\/p>\n

Proto\u017ee p\u0159evodovky krmn\u00fdch m\u00edcha\u010dek jsou specifick\u00e9 pro danou aplikaci, je k\u0159\u00ed\u017eov\u00e9 odkazov\u00e1n\u00ed na \u010d\u00edsla d\u00edl\u016f OEM nejspolehliv\u011bj\u0161\u00ed metodou vyhled\u00e1v\u00e1n\u00ed p\u0159evodovky PTO. Pokud pot\u0159ebujete n\u00e1hradu za konkr\u00e9tn\u00ed zna\u010dku a model m\u00edcha\u010dky, kontaktujte n\u00e1\u0161 technick\u00fd t\u00fdm<\/a> s \u010d\u00edslem d\u00edlu OEM, zna\u010dkou m\u00edcha\u010dky, objemem vany a po\u010dtem \u0161nek\u016f. P\u0159ed odesl\u00e1n\u00edm ov\u011b\u0159ujeme rozm\u011brovou kompatibilitu, to\u010div\u00fd moment a tepelnou kapacitu \u2013 proto\u017ee porucha p\u0159evodovky v\u00fdvodov\u00e9ho h\u0159\u00eddele m\u00edcha\u010dky krmiv je nouzov\u00e1 situace v chovu hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at, nejen nep\u0159\u00edjemnost se za\u0159\u00edzen\u00edm.<\/p>\n

<\/p>\n

\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
\n
\nPro\u010d p\u0159evodovky krmn\u00fdch m\u00edcha\u010dek pou\u017e\u00edvaj\u00ed planetov\u00e1 kola m\u00edsto \u010deln\u00edch ozuben\u00fdch kol?+<\/span><\/summary>\n
\n

Planetov\u00e9 p\u0159evodovky dosahuj\u00ed mnohem vy\u0161\u0161\u00ed hustoty to\u010div\u00e9ho momentu v men\u0161\u00edm proveden\u00ed. V\u00edce planetov\u00fdch p\u0159evodovek sd\u00edl\u00ed zat\u00ed\u017een\u00ed sou\u010dasn\u011b a souos\u00e1 konstrukce umo\u017e\u0148uje, aby se v\u00fdstupn\u00ed h\u0159\u00eddel p\u0159\u00edmo vyrovnala se \u0161nekem. P\u0159evodovka s \u010deln\u00edmi koly a rovnob\u011b\u017en\u00fdmi h\u0159\u00eddeli, kter\u00e1 by dok\u00e1zala dos\u00e1hnout stejn\u00e9ho to\u010div\u00e9ho momentu, by m\u011bla 3\u20134\u00d7 v\u011bt\u0161\u00ed pr\u016fm\u011br \u2013 fyzicky by byla p\u0159\u00edli\u0161 velk\u00e1 na to, aby se ve\u0161la pod v\u011bt\u0161inu m\u00edchac\u00edch van.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJak \u010dasto bych m\u011bl m\u011bnit olej v p\u0159evodovce krmn\u00e9ho m\u00edchac\u00edho vozu?+<\/span><\/summary>\n
\n

Ka\u017ed\u00fdch 250 provozn\u00edch hodin u miner\u00e1ln\u00edho p\u0159evodov\u00e9ho oleje s vysok\u00fdm v\u00fdkonem nebo ka\u017ed\u00fdch 500 hodin u syntetick\u00e9ho oleje. Vzhledem k tomu, \u017ee krmn\u00e9 m\u00edcha\u010dky nasb\u00edraj\u00ed 1 500\u20133 000 hodin ro\u010dn\u011b, znamen\u00e1 to 6\u201312 v\u00fdm\u011bn oleje ro\u010dn\u011b u miner\u00e1ln\u00edho oleje nebo 3\u20136 u syntetick\u00e9ho oleje. Vy\u0161\u0161\u00ed n\u00e1klady na syntetick\u00fd olej jsou kompenzov\u00e1ny men\u0161\u00edm po\u010dtem v\u00fdm\u011bn a del\u0161\u00ed \u017eivotnost\u00ed lo\u017eisek d\u00edky lep\u0161\u00ed tepeln\u00e9 stabilit\u011b.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nJak\u00fd v\u00fdkon v\u00fdvodov\u00e9ho h\u0159\u00eddele pot\u0159ebuji pro vertik\u00e1ln\u00ed krmn\u00fd m\u00edchac\u00ed stroj?+<\/span><\/summary>\n
\n

Obecn\u011b se doporu\u010duje 6\u201310 kon\u00ed v\u00fdvodov\u00e9ho h\u0159\u00eddele na metr krychlov\u00fd objemu m\u00edchac\u00ed vany v z\u00e1vislosti na hustot\u011b krmiva. M\u00edchac\u00ed za\u0159\u00edzen\u00ed o objemu 11,3 m\u00b3, kter\u00e9 zpracov\u00e1v\u00e1 typickou ml\u00e9\u010dnou sm\u011bs pro dojnice, vy\u017eaduje p\u0159ibli\u017en\u011b 70\u2013115 kon\u00ed v\u00fdvodov\u00e9ho h\u0159\u00eddele. P\u0159evodovka mus\u00ed b\u00fdt dimenzov\u00e1na na alespo\u0148 1251 krychlov\u00fdch stop (TP3T) maxim\u00e1ln\u00edho v\u00fdkonu v\u00fdvodov\u00e9ho h\u0159\u00eddele traktoru s dodate\u010dnou rezervou pro podm\u00ednky spou\u0161t\u011bc\u00edho to\u010div\u00e9ho momentu.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nMohu si repasovat p\u0159evodovku krmn\u00e9ho m\u00edcha\u010de, nebo ji m\u00e1m celou vym\u011bnit?+<\/span><\/summary>\n
\n

Planetov\u00e9 p\u0159evodovky lze repasovat, pokud jsou sk\u0159\u00ed\u0148 a ozuben\u00fd v\u011bnec nepo\u0161kozen\u00e9. Planetov\u00e1 kola, centr\u00e1ln\u00ed kola, lo\u017eiska a t\u011bsn\u011bn\u00ed jsou vym\u011bniteln\u00e9. Repasi v\u0161ak mus\u00ed prov\u00e9st d\u00edlna se zku\u0161enostmi s mont\u00e1\u017e\u00ed planetov\u00fdch p\u0159evod\u016f \u2013 f\u00e1zov\u00e1n\u00ed planetov\u00fdch p\u0159evod\u016f a nastaven\u00ed p\u0159edp\u011bt\u00ed jsou z\u00e1sadn\u00ed. Pokud sk\u0159\u00ed\u0148 vykazuje praskliny nebo je povrch ozuben\u00e9ho v\u011bnce po\u0161kozen, je kompletn\u00ed v\u00fdm\u011bna jednotky spolehliv\u011bj\u0161\u00ed a \u010dasto i n\u00e1kladov\u011b efektivn\u011bj\u0161\u00ed ne\u017e repase.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nCo zp\u016fsobuje selh\u00e1n\u00ed p\u0159evodovky krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed b\u011bhem spou\u0161t\u011bn\u00ed?+<\/span><\/summary>\n
\n

Rozb\u011bhov\u00fd moment u pln\u011b zat\u00ed\u017een\u00e9ho m\u00edcha\u010de m\u016f\u017ee dos\u00e1hnout 2,5\u20133\u00d7 provozn\u00edho momentu. Pokud je p\u0159evodovka dimenzov\u00e1na pouze na provozn\u00ed moment (b\u011b\u017en\u00e9 opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed n\u00e1klad\u016f), nadm\u011brn\u00e9 rozb\u011bhov\u00e9 zat\u00ed\u017een\u00ed zp\u016fsob\u00ed zlomen\u00ed h\u0159\u00eddel\u00ed centr\u00e1ln\u00edch kol, prasknut\u00ed zub\u016f planetov\u00fdch kol u ko\u0159ene nebo st\u0159\u00edh\u00e1n\u00ed dr\u00e1\u017eek vstupn\u00edho h\u0159\u00eddele. V\u017edy ov\u011b\u0159te jmenovit\u00fd rozb\u011bhov\u00fd moment p\u0159evodovky \u2013 mus\u00ed se rovnat nebo p\u0159ekro\u010dit 2,5\u00d7 trval\u00fd provozn\u00ed moment.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nM\u00e1m m\u00edt po ruce n\u00e1hradn\u00ed p\u0159evodovku m\u00edcha\u010dky?+<\/span><\/summary>\n
\n

Pro jak\u00fdkoli provoz, kde jeden m\u00edcha\u010d krmiva obsluhuje cel\u00e9 st\u00e1do \u2013 naprosto ano. Porucha p\u0159evodovky krmn\u00e9ho m\u00edcha\u010de zcela zastav\u00ed krmn\u00fd provoz. St\u00e1da dojnic ztr\u00e1cej\u00ed produkci do 24 hodin po vynech\u00e1n\u00ed krmn\u00e9 d\u00e1vky a n\u00e1klady na nouzovou leteckou p\u0159epravu n\u00e1hradn\u00ed p\u0159evodovky mohou p\u0159ekro\u010dit cenu n\u00e1hradn\u00ed jednotky. N\u00e1hradn\u00ed jednotka se zaplat\u00ed hned napoprv\u00e9 a zabr\u00e1n\u00ed p\u0159eru\u0161en\u00ed v\u00fdroby.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

<\/p>\n

\n

Chra\u0148te sv\u016fj krmn\u00fd provoz spr\u00e1vnou p\u0159evodovkou<\/h2>\n

V\u011b\u010dn\u00e1 s\u00edla<\/a> vyr\u00e1b\u00ed planetov\u00e9 zem\u011bd\u011blsk\u00e1 p\u0159evodovka<\/a> \u0158e\u0161en\u00ed pro m\u00edcha\u010dky krmiv \u2013 dimenzovan\u00e1 na spou\u0161t\u011bc\u00ed moment, ov\u011b\u0159en\u00e1 pro trval\u00fd tepeln\u00fd provoz a s k\u0159\u00ed\u017eov\u00fdmi odkazy na v\u0161echny hlavn\u00ed zna\u010dky m\u00edcha\u010dek TMR.<\/p>\n

Z\u00edskat technick\u00e9 specifikace<\/a><\/p>\n<\/div>\n

St\u0159iha\u010d: Cxm<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

P\u0159evodovka krmn\u00e9ho m\u00edchac\u00edho za\u0159\u00edzen\u00ed: Konstrukce pro extr\u00e9mn\u00ed zat\u00ed\u017een\u00ed kroutic\u00edm momentem Jeden krmn\u00fd m\u00edchac\u00ed za\u0159\u00edzen\u00ed TMR (Total Mixed Ration) ve velk\u00e9m ml\u00e9k\u00e1rensk\u00e9m provozu zpracuje denn\u011b 30 000 a\u017e 50 000 kg krmn\u00e9 suroviny \u2013 hust\u00e9ho, vlhk\u00e9ho, vl\u00e1knit\u00e9ho materi\u00e1lu, kter\u00fd odol\u00e1v\u00e1 pohybu, \u0159ez\u00e1n\u00ed a m\u00edch\u00e1n\u00ed. P\u0159evodovka poh\u00e1n\u011bj\u00edc\u00ed ka\u017ed\u00fd m\u00edchac\u00ed \u0161nek nese jedny z nejvy\u0161\u0161\u00edch trval\u00fdch [\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-1207","post","type-post","status-publish","format-standard","hentry","category-agricultural-gearbox"],"_links":{"self":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/comments?post=1207"}],"version-history":[{"count":2,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1207\/revisions"}],"predecessor-version":[{"id":1209,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/posts\/1207\/revisions\/1209"}],"wp:attachment":[{"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/media?parent=1207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/categories?post=1207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pto-gearbox.net\/cs\/wp-json\/wp\/v2\/tags?post=1207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}