{"id":1164,"date":"2026-06-25T05:44:36","date_gmt":"2026-06-25T05:44:36","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1164"},"modified":"2026-06-25T05:44:36","modified_gmt":"2026-06-25T05:44:36","slug":"wheel-drive-planetary-gearbox-for-land-clearing-stone-crushers","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/wheel-drive-planetary-gearbox-for-land-clearing-stone-crushers\/","title":{"rendered":"Planetov\u00e1 p\u0159evodovka s pohonem kol pro drti\u010de kamene na \u010di\u0161t\u011bn\u00ed pozemk\u016f"},"content":{"rendered":"
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\"Planetov\u00e1<\/p>\n
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Korea Ever-Power \u00b7 Aplika\u010dn\u00ed in\u017een\u00fdrstv\u00ed \u00b7 Drti\u010de kamene pro \u010di\u0161t\u011bn\u00ed pozemk\u016f<\/p>\n

Planetov\u00e1 p\u0159evodovka s pohonem kol pro drti\u010de kamene na \u010di\u0161t\u011bn\u00ed pozemk\u016f<\/h1>\n

Drti\u010d kamene se pohybuje rychlost\u00ed 0,5 a\u017e 3 km\/h v surov\u00e9m ter\u00e9nu \u2013 drt\u00ed balvany o velikosti a\u017e 500 mm, zat\u00edmco rotor generuje vibrace, kter\u00e9 by zni\u010dily standardn\u00ed zem\u011bd\u011blskou p\u0159evodovku za 200 hodin. Pohon kol mus\u00ed odolat nejextr\u00e9mn\u011bj\u0161\u00ed kombinaci n\u00e1raz\u016f, vibrac\u00ed a abrazivn\u00edho prachu v cel\u00e9m odv\u011btv\u00ed zem\u011bd\u011blsk\u00e9 techniky.<\/p>\n

Proch\u00e1zet planetov\u00e9 p\u0159evodovky pohonu kol \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Co d\u011bl\u00e1 drti\u010d kamene \u2013 a pro\u010d jeho pohon kol sn\u00e1\u0161\u00ed nejhor\u0161\u00ed vibrace v zem\u011bd\u011blstv\u00ed<\/h2>\n

Drti\u010d kamen\u016f pro \u010di\u0161t\u011bn\u00ed pozemk\u016f (naz\u00fdvan\u00fd tak\u00e9 drti\u010d kamen\u016f, lesn\u00ed mul\u010dova\u010d-drti\u010d nebo stroj na p\u0159\u00edpravu povrchu) je samoj\u00edzdn\u00fd nebo traktorem ta\u017een\u00fd stroj, kter\u00fd jezd\u00ed po surov\u00e9 nebo zem\u011bd\u011blsk\u00e9 p\u016fd\u011b a drt\u00ed povrch a zabudovan\u00e9 kameny na \u010d\u00e1stice o velikosti \u0161t\u011brku, kter\u00e9 lze zapracovat do p\u016fdy. Drtic\u00ed rotor \u2013 masivn\u00ed ocelov\u00fd buben vybaven\u00fd kladivy s hroty z karbidu wolframu nebo pevn\u00fdmi zuby \u2013 se ot\u00e1\u010d\u00ed rychlost\u00ed 800 a\u017e 1 500 ot\/min a ude\u0159\u00ed do balvan\u016f s energi\u00ed n\u00e1razu 5 a\u017e 50 kJ na \u00fader kladiva.<\/p>\n

Ka\u017ed\u00fd \u00fader kladiva vyvol\u00e1 r\u00e1zovou vlnu, kter\u00e1 se \u0161\u00ed\u0159\u00ed r\u00e1mem stroje ke ka\u017ed\u00e9 namontovan\u00e9 sou\u010d\u00e1sti \u2013 v\u010detn\u011b planetov\u00e1 p\u0159evodovka pohonu kol<\/a>Spektrum vibrac\u00ed v bod\u011b upevn\u011bn\u00ed pohonu kol je dominantn\u011b definov\u00e1no frekvenc\u00ed n\u00e1raz\u016f kladiva (ot\u00e1\u010dky rotoru x po\u010det kladiv = 100 a\u017e 500 \u00fader\u016f za sekundu) superponovanou na n\u00e1hodn\u00e9 n\u00e1razy balvan\u016f, kter\u00e9 na mont\u00e1\u017en\u00ed p\u0159\u00edrub\u011b vytv\u00e1\u0159ej\u00ed p\u0159echodn\u00e9 akcelera\u010dn\u00ed \u0161pi\u010dky 5 a\u017e 20 g. Toto vibra\u010dn\u00ed prost\u0159ed\u00ed je 3 a\u017e 10kr\u00e1t n\u00e1ro\u010dn\u011bj\u0161\u00ed ne\u017e v jak\u00e9koli jin\u00e9 zem\u011bd\u011blsk\u00e9 aplikaci \u2013 a je srovnateln\u00e9 s \u00farovn\u011bmi vibrac\u00ed stavebn\u00edch za\u0159\u00edzen\u00ed na kladivech a vibra\u010dn\u00edch v\u00e1lc\u00edch.<\/p>\n

Samoj\u00edzdn\u00fd drti\u010d kamene je men\u0161\u00ed a l\u00e9pe ovladateln\u00e1 varianta \u2013 o hmotnosti 8 a\u017e 25 tun s drti\u010dem integrovan\u00fdm do podvozku. Pohon kol zaji\u0161\u0165uje jak pohon pojezdu, tak regulaci rychlosti j\u00edzdy, kter\u00e1 ur\u010duje hloubku drcen\u00ed a kvalitu povrchov\u00e9 \u00fapravy. Po\u017eadovan\u00e1 rychlost j\u00edzdy je 0,5 a\u017e 3,0 km\/h \u2013 ultran\u00edzk\u00e1, podobn\u011b jako u skl\u00edze\u010de jablek, ale s 50 a\u017e 100kr\u00e1t vy\u0161\u0161\u00ed \u00farovn\u00ed vibrac\u00ed. Pohon kol mus\u00ed poskytovat stejnou p\u0159esnost p\u0159i n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch jako stroj do sadu a z\u00e1rove\u0148 odol\u00e1vat r\u00e1zov\u00e9mu prost\u0159ed\u00ed t\u011b\u017eebn\u00edho drti\u010de.<\/p>\n

Drti\u010de kamene pro \u010di\u0161t\u011bn\u00ed pozemk\u016f se pou\u017e\u00edvaj\u00ed ve t\u0159ech hlavn\u00edch aplikac\u00edch: rekultivace zem\u011bd\u011blsk\u00e9 p\u016fdy (p\u0159em\u011bna kamenit\u00fdch pastvin nebo lesn\u00edch pozemk\u016f na ornou zem\u011bd\u011blskou p\u016fdu), p\u0159\u00edprava silnic a staveni\u0161\u0165 (redukce povrchov\u00fdch balvan\u016f na zhutnitelnou podkladovou vrstvu) a \u010di\u0161t\u011bn\u00ed potrub\u00ed a in\u017een\u00fdrsk\u00fdch s\u00edt\u00ed (p\u0159\u00edprava p\u00e1su bez kamen\u016f pro hlouben\u00ed p\u0159\u00edkop\u016f). Ka\u017ed\u00e1 aplikace vystavuje pohon kol stejn\u00e9mu vibra\u010dn\u00edmu prost\u0159ed\u00ed, ale odli\u0161n\u00fdm ter\u00e9nn\u00edm podm\u00ednk\u00e1m \u2013 od relativn\u011b ploch\u00fdch pastvin a\u017e po strm\u00e9 svahy se sklony od 20 do 401 TP3T. Stroj mus\u00ed udr\u017eovat c\u00edlovou rychlost j\u00edzdy bez ohledu na sklon ter\u00e9nu, proto\u017ee hloubka drcen\u00ed a kvalita povrchov\u00e9 \u00fapravy jsou p\u0159i dan\u00fdch ot\u00e1\u010dk\u00e1ch rotoru p\u0159\u00edmo \u00fam\u011brn\u00e9 rychlosti j\u00edzdy: rychlej\u0161\u00ed pojezd vede k m\u011bl\u010d\u00edmu a hrub\u0161\u00edmu povrchu; pomalej\u0161\u00ed pojezd vede k hlub\u0161\u00edmu a jemn\u011bj\u0161\u00edmu povrchu.<\/p>\n

Proces drcen\u00ed tak\u00e9 generuje obrovsk\u00e9 odporov\u00e9 s\u00edly. Kdy\u017e rotor naraz\u00ed na velk\u00fd balvan (300 a\u017e 500 mm), mus\u00ed stroj tla\u010dit dop\u0159edu proti reak\u010dn\u00ed s\u00edle drcen\u00ed \u2013 kter\u00e1 m\u016f\u017ee u tvrd\u00e9 vyv\u0159el\u00e9 horniny dos\u00e1hnout 30 a\u017e 80 kN. Tato pot\u0159eba tahu se superponuje k norm\u00e1ln\u00edmu valiv\u00e9mu odporu a s\u00edle stoup\u00e1n\u00ed \u2013 co\u017e vytv\u00e1\u0159\u00ed celkov\u00e9 po\u017eadavky na to\u010div\u00fd moment pohonu kol, kter\u00e9 b\u011bhem z\u00e1b\u011bru s balvanem na 1 a\u017e 5 sekund vzrostou na 2 a\u017e 4n\u00e1sobek ust\u00e1len\u00e9 \u00farovn\u011b. Pohon kol mus\u00ed tyto \u0161pi\u010dky to\u010div\u00e9ho momentu dodat bez prokluzov\u00e1n\u00ed kol (co\u017e by zm\u011bnilo hloubku drcen\u00ed) a bez zav\u00e1h\u00e1n\u00ed rychlosti (kter\u00e9 by zanechalo na povrchu nezpracovanou plochu).<\/p>\n<\/section>\n

\"Pohon<\/p>\n

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Konstrukce odoln\u00e1 proti vibrac\u00edm \u2013 stavebn\u00ed in\u017een\u00fdrstv\u00ed v zem\u011bd\u011blsk\u00e9m proveden\u00ed<\/h2>\n

Standardn\u00ed planetov\u00e9 p\u0159evodovky s pohonem zem\u011bd\u011blsk\u00fdch kol jsou navr\u017eeny pro \u00farovn\u011b vibrac\u00ed 0,5 a\u017e 2 g na mont\u00e1\u017en\u00ed p\u0159\u00edrub\u011b \u2013 co\u017e je dostate\u010dn\u00e9 pro skl\u00edze\u010de, sec\u00ed stroje a rozmetadla, kter\u00e9 pracuj\u00ed na relativn\u011b hladk\u00e9m zem\u011bd\u011blsk\u00e9m povrchu. Pohon kola drti\u010de kamene za\u017e\u00edv\u00e1 \u0161pi\u010dkov\u00e9 zrychlen\u00ed 5 a\u017e 20 g \u2013 co\u017e od zem\u011bd\u011blsk\u00e9ho za\u0159\u00edzen\u00ed vy\u017eaduje odolnost proti vibrac\u00edm na \u00farovni stavebn\u00edch nebo t\u011b\u017eebn\u00edch prac\u00ed.<\/p>\n

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Vibrace ovliv\u0148uj\u00ed v\u0161echny sou\u010d\u00e1sti pohonu kol. Zuby ozuben\u00fdch kol za\u017e\u00edvaj\u00ed v m\u00edst\u011b kontaktu z\u00e1b\u011bru mikrooscilace, co\u017e zp\u016fsobuje po\u0161kozen\u00ed t\u0159en\u00edm podobn\u00e9 t\u0159en\u00edm u je\u0159\u00e1b\u016f namontovan\u00fdch na n\u00e1kladn\u00edch automobilech p\u0159i p\u0159eprav\u011b, ale s vy\u0161\u0161\u00ed amplitudou a frekvenc\u00ed. Lo\u017eiska za\u017e\u00edvaj\u00ed vibracemi vyvolan\u00e9 mikropohyby mezi valiv\u00fdmi t\u011blesy a ob\u011b\u017en\u00fdmi dr\u00e1hami, co\u017e vede k fale\u0161n\u00fdm Brinellingov\u00fdm stop\u00e1m, kter\u00e9 se b\u011bhem 500 a\u017e 1 500 hodin vyvinou v \u00fanavov\u00e9 odlupov\u00e1n\u00ed, pokud p\u0159edp\u011bt\u00ed lo\u017eiska nen\u00ed dostate\u010dn\u00e9 k zabr\u00e1n\u011bn\u00ed mikropohybu. Spojovac\u00ed prvky (\u0161rouby pouzdra, dr\u017e\u00e1ky t\u011bsn\u011bn\u00ed, mont\u00e1\u017en\u00ed \u0161rouby brzd) za\u017e\u00edvaj\u00ed uvol\u0148ov\u00e1n\u00ed vibracemi, co\u017e vy\u017eaduje pou\u017eit\u00ed pojistn\u00fdch sm\u011bs\u00ed pro z\u00e1vity nebo podlo\u017eek Nord-Lock na ka\u017ed\u00e9m kritick\u00e9m spoji.<\/p>\n

Nejefektivn\u011bj\u0161\u00edm konstruk\u010dn\u00edm p\u0159\u00edstupem je zv\u00fd\u0161it p\u0159edp\u011bt\u00ed lo\u017eiska nad r\u00e1mec standardn\u00ed zem\u011bd\u011blsk\u00e9 specifikace. Lo\u017eisko p\u0159edepnut\u00e9 na 5 a\u017e 81 TP3T jeho dynamick\u00e9 \u00fanosnosti eliminuje mikropohyb, kter\u00fd zp\u016fsobuje fale\u0161n\u00e9 Brinellingovo p\u016fsoben\u00ed \u2013 ale zvy\u0161uje t\u0159en\u00ed lo\u017eiska a provozn\u00ed teplotu o 10 a\u017e 201 TP3T. Tento kompromis (vy\u0161\u0161\u00ed teplota pro del\u0161\u00ed \u017eivotnost vibrac\u00ed) je u drti\u010de kamene p\u0159ijateln\u00fd, proto\u017ee provozn\u00ed ot\u00e1\u010dky jsou ultran\u00edzk\u00e9 (2 a\u017e 12 ot.\/min na v\u00fdstupu) a zah\u0159\u00edv\u00e1n\u00ed lo\u017eiska p\u0159i t\u011bchto ot\u00e1\u010dk\u00e1ch je minim\u00e1ln\u00ed i p\u0159i zv\u00fd\u0161en\u00e9m p\u0159edp\u011bt\u00ed.<\/p>\n

Uspo\u0159\u00e1d\u00e1n\u00ed upevn\u011bn\u00ed sk\u0159\u00edn\u011b mus\u00ed b\u00fdt tak\u00e9 odoln\u00e9 proti vibrac\u00edm. Standardn\u00ed pohony zem\u011bd\u011blsk\u00fdch kol jsou p\u0159i\u0161roubov\u00e1ny k sk\u0159\u00edni n\u00e1pravy 4 a\u017e 8 \u0161rouby v kruhov\u00e9m vzoru. Pohon kola drti\u010de kamene by m\u011bl pou\u017e\u00edvat 8 a\u017e 12 \u0161roub\u016f s kombinac\u00ed kol\u00edk\u016f (aby se zabr\u00e1nilo posunut\u00ed sk\u0159\u00edn\u011b v d\u016fsledku vibrac\u00ed) a podlo\u017eek Belleville (aby se udr\u017eelo nap\u011bt\u00ed \u0161roub\u016f i p\u0159es mikroposunut\u00ed v d\u016fsledku opakovan\u00fdch n\u00e1raz\u016f). Bez t\u011bchto v\u00fdztuh se m\u016f\u017ee sk\u0159\u00ed\u0148 p\u0159i upevn\u011bn\u00ed posunout o 0,1 a\u017e 0,5 mm \u2013 co\u017e vede k nespr\u00e1vn\u00e9mu vyrovn\u00e1n\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele vzhledem k n\u00e1boji pneumatiky a nerovnom\u011brn\u00e9mu zat\u00ed\u017een\u00ed lo\u017eiska, kter\u00e9 urychluje po\u0161kozen\u00ed lo\u017eiska zp\u016fsoben\u00e9 vibracemi.<\/p>\n

Samotn\u00fd olej je ovlivn\u011bn vibra\u010dn\u00edm prost\u0159ed\u00edm. Neust\u00e1l\u00e9 vibrace s vysokou amplitudou urychluj\u00ed provzdu\u0161\u0148ov\u00e1n\u00ed oleje \u2013 vibruj\u00edc\u00edm z\u00e1b\u011brem ozuben\u00fdch kol jsou do oleje vtla\u010dov\u00e1ny mikrobublinky vzduchu, \u010d\u00edm\u017e se sni\u017euje efektivn\u00ed objem oleje a \u00fanosnost olejov\u00e9ho filmu. Provzdu\u0161\u0148ovan\u00fd olej se pod kontaktn\u00edm tlakem mezi ozuben\u00fdm kolem a zuby stla\u010duje \u2013 \u010d\u00edm\u017e vznik\u00e1 ten\u010d\u00ed film ne\u017e u neprovzdu\u0161\u0148ovan\u00e9ho oleje se stejnou viskozitou. V z\u00e1va\u017en\u00fdch p\u0159\u00edpadech m\u016f\u017ee provzdu\u0161\u0148ov\u00e1n\u00ed sn\u00ed\u017eit efektivn\u00ed tlou\u0161\u0165ku filmu o 20 a\u017e 401 TP3T \u2013 co\u017e vede k posunu kontaktu ozuben\u00e9ho kola z hydrodynamick\u00e9ho maz\u00e1n\u00ed s pln\u00fdm filmem na sm\u00ed\u0161en\u00e9 nebo mezn\u00ed maz\u00e1n\u00ed, co\u017e je spojeno se zv\u00fd\u0161en\u00edm m\u00edry opot\u0159eben\u00ed. Protip\u011bniv\u00e9 p\u0159\u00edsady v p\u0159evodov\u00e9m oleji sni\u017euj\u00ed tendenci k provzdu\u0161\u0148ov\u00e1n\u00ed \u2013 ale mus\u00ed b\u00fdt dopl\u0148ov\u00e1ny v krat\u0161\u00edch intervalech (ka\u017ed\u00fdch 500 hodin oproti 1 000 hodin\u00e1m u aplikac\u00ed bez vibrac\u00ed), proto\u017ee vibrace urychluj\u00ed vy\u010derp\u00e1v\u00e1n\u00ed p\u0159\u00edsad.<\/p>\n<\/div>\n

\"Pohon<\/div>\n<\/div>\n<\/section>\n
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T\u011bsn\u011bn\u00ed kamenn\u00e9ho prachu \u2013 \u010d\u00e1stice jemn\u011bj\u0161\u00ed ne\u017e mastek p\u0159i vibrac\u00edch 5 a\u017e 20 g<\/h2>\n
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Drt\u00edc\u00ed proces generuje obrovsk\u00e9 objemy jemn\u00e9ho kamenn\u00e9ho prachu \u2013 \u010d\u00e1stic o velikosti 1 a\u017e 100 mikron\u016f, kter\u00e9 jsou men\u0161\u00ed ne\u017e mezera mezi standardn\u00edm t\u011bsn\u011bn\u00edm b\u0159itu a jeho h\u0159\u00eddel\u00ed. Tento prach je rotorem un\u00e1\u0161en vysokou rychlost\u00ed \u2013 a obaluje cel\u00fd stroj oblakem, kter\u00fd pronik\u00e1 ka\u017ed\u00fdm otvorem. Prach je tak\u00e9 extr\u00e9mn\u011b abrazivn\u00ed: v\u00e1pencov\u00fd prach m\u00e1 tvrdost dle Mohse 3; \u017eulov\u00fd prach m\u00e1 tvrdost dle Mohse 6 a\u017e 7 \u2013 je tvrd\u0161\u00ed ne\u017e ocel h\u0159\u00eddele (Mohs 5 a\u017e 6) a v\u00fdrazn\u011b tvrd\u0161\u00ed ne\u017e materi\u00e1l b\u0159itu t\u011bsn\u011bn\u00ed (Mohs 1 a\u017e 2).<\/p>\n

Kombinace ultrajemn\u00e9ho abrazivn\u00edho prachu a vysok\u00fdch vibrac\u00ed p\u0159edstavuje nejn\u00e1ro\u010dn\u011bj\u0161\u00ed t\u011bsnic\u00ed prost\u0159ed\u00ed v zem\u011bd\u011blsk\u00fdch stroj\u00edch. Vibrace zp\u016fsobuj\u00ed mikrooscilaci t\u011bsnic\u00edho b\u0159itu v\u016f\u010di h\u0159\u00eddeli \u2013 a prachov\u00e9 \u010d\u00e1stice, kter\u00e9 pronikly labyrintov\u00fdm p\u0159edt\u011bsn\u011bn\u00edm, se zachyt\u00ed mezi oscila\u010dn\u00edm b\u0159item a h\u0159\u00eddel\u00ed a p\u016fsob\u00ed jako lapovac\u00ed pasta. Standardn\u00ed zem\u011bd\u011blsk\u00e9 t\u011bsn\u011bn\u00ed, kter\u00e9 na skl\u00edze\u010di vydr\u017e\u00ed 3 000 a\u017e 5 000 hodin, m\u016f\u017ee na drti\u010di kamene vydr\u017eet pouze 300 a\u017e 800 hodin \u2013 proto\u017ee m\u00edra od\u011bru zes\u00edlen\u00e1 vibracemi je 5 a\u017e 10kr\u00e1t vy\u0161\u0161\u00ed.<\/p>\n

\u0158e\u0161en\u00ed t\u011bsn\u011bn\u00ed pro pohony kol drti\u010d\u016f kamene je inspirov\u00e1no t\u011b\u017eebn\u00edm a stavebn\u00edm pr\u016fmyslem: kovov\u00e1 t\u011bsn\u011bn\u00ed s dvojit\u00fdm ku\u017eelem (dva p\u0159esn\u011b lapovan\u00e9 kovov\u00e9 krou\u017eky, kter\u00e9 se op\u00edraj\u00ed o sebe, bez kontaktu s elastomery na h\u0159\u00eddeli), proplachov\u00e1n\u00ed p\u0159etlakem vzduchu (nep\u0159etr\u017eit\u00fd p\u0159\u00edvod vzduchu do t\u011bsnic\u00ed komory, kter\u00fd natlakuje dutinu nad tlak okoln\u00edho prachu a zabra\u0148uje tak vnik\u00e1n\u00ed prachu) nebo kombinovan\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed labyrintov\u00e9ho a \u010deln\u00edho t\u011bsn\u011bn\u00ed, kter\u00e9 vytv\u00e1\u0159\u00ed 3 a\u017e 5 postupn\u00fdch bari\u00e9r mezi oblakem horninov\u00e9ho prachu a planetov\u00e1 p\u0159evodovka pohonu kol<\/a> olej.<\/p>\n<\/div>\n

\"Pohon<\/div>\n<\/div>\n<\/section>\n

\"Testovac\u00ed<\/p>\n

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T\u0159i re\u017eimy selh\u00e1n\u00ed specifick\u00e9 pro pohony kol drti\u010d\u016f kamene<\/h2>\n
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1<\/div>\n
Fale\u0161n\u00e9 Brinellingov\u00e9 po\u0161kozen\u00ed lo\u017eiska v d\u016fsledku nep\u0159etr\u017eit\u00fdch vibrac\u00ed s vysokou amplitudou<\/div>\n<\/div>\n

Vibrace 5 a\u017e 20 g z rotoru drti\u010de zp\u016fsobuj\u00ed mikrooscilace valiv\u00fdch t\u011bles lo\u017eisek v\u016f\u010di ob\u011b\u017en\u00fdm drah\u00e1m s n\u00e1razovou frekvenc\u00ed. Ka\u017ed\u00e1 mikrooscilace posouv\u00e1 mazac\u00ed film a vytv\u00e1\u0159\u00ed kontaktn\u00ed stopu kov na kov. B\u011bhem 500 a\u017e 1 500 hodin se tyto stopy prohlubuj\u00ed do viditeln\u00fdch fale\u0161n\u00fdch Brinellingov\u00fdch vryp\u016f, kter\u00e9 zvy\u0161uj\u00ed hluk, drsnost a v\u016fli lo\u017eiska. Na rozd\u00edl od skute\u010dn\u00e9ho Brinellingu (z jedin\u00e9ho p\u0159et\u00ed\u017een\u00ed) se fale\u0161n\u00fd Brinelling vyv\u00edj\u00ed postupn\u011b a je detekovateln\u00fd pouze monitorov\u00e1n\u00edm vibrac\u00ed nebo m\u011b\u0159en\u00edm v\u016fle lo\u017eiska \u2013 v dob\u011b, kdy obsluha usly\u0161\u00ed lo\u017eisko, je po\u0161kozen\u00ed ob\u011b\u017en\u00e9 dr\u00e1hy ji\u017e neopraviteln\u00e9. Postup fale\u0161n\u00e9ho Brinellingu se \u0159\u00edd\u00ed p\u0159edv\u00eddateln\u00fdm vzorem: F\u00e1ze 1 (0 a\u017e 500 hodin) \u2013 mikrostopy se tvo\u0159\u00ed, ale neovliv\u0148uj\u00ed funkci lo\u017eiska; F\u00e1ze 2 (500 a\u017e 1 500 hodin) \u2013 stopy se prohlubuj\u00ed na 5 a\u017e 15 mikron\u016f, co\u017e vede k m\u011b\u0159iteln\u00e9mu zv\u00fd\u0161en\u00ed v\u016fle lo\u017eiska a amplitudy vibrac\u00ed; F\u00e1ze 3 (1 500 a\u017e 3 000 hodin) \u2013 stopy se vyv\u00edjej\u00ed v m\u00edsta vzniku \u00fanavov\u00e9ho odlupov\u00e1n\u00ed, co\u017e produkuje sly\u0161iteln\u00fd hluk a zrychluje r\u016fst v\u016fle; F\u00e1ze 4 (po 3 000 hodin\u00e1ch) \u2013 odlupov\u00e1n\u00ed se \u0161\u00ed\u0159\u00ed po ob\u011b\u017en\u00e9 dr\u00e1ze, co\u017e zp\u016fsobuje hrub\u00fd chod, nadm\u011brnou v\u016fli a riziko zad\u0159en\u00ed lo\u017eiska. Optim\u00e1ln\u00ed interval v\u00fdm\u011bny je b\u011bhem f\u00e1ze 2, p\u0159ed zah\u00e1jen\u00edm odlupov\u00e1n\u00ed \u2013 detekovateln\u00e9 pouze kvantitativn\u00ed anal\u00fdzou vibrac\u00ed nebo m\u011b\u0159en\u00edm v\u016fle lo\u017eiska, nikoli subjektivn\u00edm pozorov\u00e1n\u00edm obsluhy.<\/p>\n

Prevence: P\u0159edp\u011bt\u00ed lo\u017eiska na dynamickou mez 5\u201381 TP3T. Plastick\u00e9 mazivo EP s vibra\u010dn\u011b odoln\u00fdm zahu\u0161\u0165ovadlem (polymo\u010dovina). Monitorov\u00e1n\u00ed vibrac\u00ed v intervalech 500 hodin. Vym\u011b\u0148te lo\u017eiska maxim\u00e1ln\u011b po 3 000 hodin\u00e1ch bez ohledu na stav.<\/div>\n<\/div>\n
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2<\/div>\n
Ni\u010den\u00ed t\u011bsn\u011bn\u00ed v d\u016fsledku od\u011bru \u017eulov\u00e9ho prachu zes\u00edlen\u00e9ho vibracemi<\/div>\n<\/div>\n

\u017dulov\u00fd prach (Mohsova t\u0159\u00edda 6 a\u017e 7) je tvrd\u0161\u00ed ne\u017e ocel h\u0159\u00eddele (Mohsova t\u0159\u00edda 5 a\u017e 6). Kdy\u017e tento prach pronikne labyrintov\u00fdm p\u0159edt\u011bsn\u011bn\u00edm a dos\u00e1hne prim\u00e1rn\u00edho t\u011bsnic\u00edho b\u0159itu, vibracemi vyvolan\u00e9 mikrooscilace tla\u010d\u00ed tvrd\u00e9 \u010d\u00e1stice proti m\u011bk\u010d\u00edmu povrchu h\u0159\u00eddele a t\u011bsn\u011bn\u00ed \u2013 a opot\u0159ebov\u00e1v\u00e1 tak oba povrchy sou\u010dasn\u011b. T\u011bsnic\u00ed b\u0159it se opot\u0159ebuje za 300 a\u017e 800 hodin a na povrchu h\u0159\u00eddele se v kontaktn\u00ed z\u00f3n\u011b t\u011bsn\u011bn\u00ed vytvo\u0159\u00ed opot\u0159ebovac\u00ed dr\u00e1\u017eka o hloubce 0,05 a\u017e 0,15 mm. V\u00fdm\u011bna t\u011bsn\u011bn\u00ed bez obnovy povrchu h\u0159\u00eddele (nebo instalace pouzdra h\u0159\u00eddele) zp\u016fsob\u00ed okam\u017eit\u00fd op\u011btovn\u00fd \u00fanik, proto\u017ee nov\u00fd t\u011bsnic\u00ed b\u0159it se nem\u016f\u017ee p\u0159izp\u016fsobit opot\u0159ebovan\u00e9mu profilu dr\u00e1\u017eky.<\/p>\n

Prevence: Dvouku\u017eelov\u00e1 t\u011bsn\u011bn\u00ed (bez kontaktu s h\u0159\u00eddel\u00ed). Proplachov\u00e1n\u00ed p\u0159etlakem vzduchu. Kalen\u00e9 pouzdro h\u0159\u00eddele (60+ HRC, tvrd\u0161\u00ed ne\u017e \u017eulov\u00fd prach). Vym\u011b\u0148te pouzdro h\u0159\u00eddele s ka\u017edou v\u00fdm\u011bnou t\u011bsn\u011bn\u00ed.<\/div>\n<\/div>\n
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3<\/div>\n
Uvoln\u011bn\u00ed \u0161roubu pouzdra v d\u016fsledku uvoln\u011bn\u00ed p\u0159edp\u011bt\u00ed vyvolan\u00e9ho vibracemi<\/div>\n<\/div>\n

Neust\u00e1l\u00e9 vibrace 5 a\u017e 20 g na mont\u00e1\u017en\u00ed p\u0159\u00edrub\u011b systematicky uvol\u0148uj\u00ed ka\u017ed\u00fd \u0161roubov\u00fd spoj na pohonu kola. Standardn\u00ed \u0161roubov\u00e9 spoje ztr\u00e1cej\u00ed p\u0159edp\u011bt\u00ed rychlost\u00ed, kter\u00e1 z\u00e1vis\u00ed na amplitud\u011b a frekvenci vibrac\u00ed \u2013 a p\u0159i \u00farovn\u00edch vibrac\u00ed drti\u010de kamene m\u016f\u017ee neo\u0161et\u0159en\u00fd \u0161roub M16 ztratit 30 a\u017e 501 TP3T sv\u00e9ho po\u010d\u00e1te\u010dn\u00edho p\u0159edp\u011bt\u00ed b\u011bhem 200 a\u017e 500 hodin. Kdy\u017e se upev\u0148ovac\u00ed \u0161rouby sk\u0159\u00edn\u011b uvoln\u00ed, sk\u0159\u00ed\u0148 se na sv\u00e9m ulo\u017een\u00ed posune \u2013 co\u017e vede k nespr\u00e1vn\u00e9mu vyrovn\u00e1n\u00ed v\u00fdstupn\u00edho h\u0159\u00eddele, zm\u011bn\u011b p\u0159edp\u011bt\u00ed lo\u017eiska a vzniku excentrick\u00e9ho zat\u00ed\u017een\u00ed, kter\u00e9 sou\u010dasn\u011b urychluje v\u0161echny ostatn\u00ed re\u017eimy selh\u00e1n\u00ed. Jedin\u00fd uvoln\u011bn\u00fd \u0161roub sk\u0159\u00edn\u011b m\u016f\u017ee b\u011bhem 100 a\u017e 200 hodin nep\u0159etr\u017eit\u00e9ho provozu vyvolat kask\u00e1dov\u00e9 selh\u00e1n\u00ed lo\u017eisek, t\u011bsn\u011bn\u00ed a ozuben\u00fdch kol. Uvol\u0148ov\u00e1n\u00ed vyvolan\u00e9 vibracemi je progresivn\u00ed a samozrychluj\u00edc\u00ed se: s klesaj\u00edc\u00edm p\u0159edp\u011bt\u00edm \u0161roubu se sni\u017euje tuhost spoje \u2013 co\u017e umo\u017e\u0148uje v\u011bt\u0161\u00ed mikroposuvy, kter\u00e9 d\u00e1le urychluj\u00ed ztr\u00e1tu p\u0159edp\u011bt\u00ed. \u0160roub, kter\u00fd v prvn\u00edch 250 hodin\u00e1ch ztrat\u00ed p\u0159edp\u011bt\u00ed o 101 TP3T, m\u016f\u017ee v n\u00e1sleduj\u00edc\u00edch 250 hodin\u00e1ch ztratit o 301 TP3T a ve t\u0159et\u00edch 250 hodin\u00e1ch o 601 TP3T \u2013 podle exponenci\u00e1ln\u00ed k\u0159ivky poklesu. To znamen\u00e1, \u017ee interval kontroly utahovac\u00edho momentu mus\u00ed b\u00fdt konzistentn\u00ed (ka\u017ed\u00fdch 250 hodin, nikoli \u201ekdy\u017e je to vhodn\u00e9\u201c) \u2013 proto\u017ee kontrola opo\u017ed\u011bn\u00e1 o 100 a\u017e 200 hodin m\u016f\u017ee zme\u0161kat p\u0159echod od obnoviteln\u00e9 ztr\u00e1ty p\u0159edp\u011bt\u00ed ke struktur\u00e1ln\u00edmu selh\u00e1n\u00ed \u0161roubu.<\/p>\n

Prevence: Zaji\u0161\u0165ovac\u00ed prost\u0159edek na z\u00e1vity (st\u0159edn\u011b pevn\u00fd, odn\u00edmateln\u00fd) na v\u0161ech \u0161roubech pouzdra. Podlo\u017eky Nord-Lock nebo Belleville. Kol\u00edky proti posunut\u00ed pouzdra. Kontrola utahovac\u00edho momentu po ka\u017ed\u00fdch 250 hodin\u00e1ch servisu.<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Ekonomika \u00fadr\u017eby \u2013 Pro\u010d je nejlevn\u011bj\u0161\u00ed pohon kol z\u00e1rove\u0148 nejdra\u017e\u0161\u00ed<\/h2>\n

Standardn\u00ed pohon zem\u011bd\u011blsk\u00fdch kol stoj\u00ed o 30 a\u017e 50% m\u00e9n\u011b ne\u017e vibra\u010dn\u011b kalen\u00fd drti\u010d kamene \u2013 jeho \u017eivotnost v prost\u0159ed\u00ed drti\u010de je v\u0161ak o 40 a\u017e 60% krat\u0161\u00ed. Celkov\u00e9 n\u00e1klady na vlastnictv\u00ed p\u0159i 6 000 provozn\u00edch hodin\u00e1ch: standardn\u00ed pohon za 2 500 USD s intervalem v\u00fdm\u011bny 1 500 hodin = 4 v\u00fdm\u011bny = 10 000 USD plus 4 dny prostoj\u016f stroje. Vibra\u010dn\u011b kalen\u00fd pohon za 4 000 USD s intervalem v\u00fdm\u011bny 3 500 hodin = 1,7 v\u00fdm\u011bny = 6 800 USD plus 2 dny prostoj\u016f. Vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady u\u0161et\u0159\u00ed 3 200 USD a 2 dny prostoj\u016f po celou dobu \u017eivotnosti stroje \u2013 d\u00edky \u010demu\u017e je modernizace specifikace jedn\u00edm z nejjasn\u011bj\u0161\u00edch rozhodnut\u00ed o n\u00e1vratnosti investic v odv\u011btv\u00ed stroj\u016f na \u010di\u0161t\u011bn\u00ed pozemk\u016f.<\/p>\n<\/section>\n

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\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Jak se li\u0161\u00ed pohon kol drti\u010de kamene od jin\u00fdch zem\u011bd\u011blsk\u00fdch pohon\u016f?<\/h3>\n

Vibra\u010dn\u00ed prost\u0159ed\u00ed definuje v\u0161e: 5 a\u017e 20 g na mont\u00e1\u017en\u00ed p\u0159\u00edrub\u011b oproti 0,5 a\u017e 2 g u harvestor\u016f. Toto 10n\u00e1sobn\u00e9 zv\u00fd\u0161en\u00ed vibrac\u00ed vy\u017eaduje p\u0159edp\u011bt\u00ed lo\u017eisek konstruk\u010dn\u00ed kvality, z\u00e1vitov\u00e9 upev\u0148ovac\u00ed prvky, dvojit\u00e1 ku\u017eelov\u00e1 t\u011bsn\u011bn\u00ed a kalen\u00e9 h\u0159\u00eddelov\u00e9 pouzdra \u2013 specifikace, kter\u00e9 jsou standardn\u00ed v t\u011b\u017eebn\u00edm pr\u016fmyslu a stavebnictv\u00ed, ale neobvykl\u00e9 u zem\u011bd\u011blsk\u00e9 techniky. Pohon kola drti\u010de kamene je v podstat\u011b sou\u010d\u00e1st\u00ed zem\u011bd\u011blsk\u00e9ho podvozku pro t\u011b\u017eebn\u00ed pou\u017eit\u00ed.<\/p>\n<\/div>\n

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Jak\u00e1 je typick\u00e1 \u017eivotnost?<\/h3>\n

2 000 a\u017e 4 000 hodin pro planetovou p\u0159evodovku \u2013 krat\u0161\u00ed ne\u017e u jak\u00e9hokoli jin\u00e9ho zem\u011bd\u011blsk\u00e9ho pohonu kol kv\u016fli vibra\u010dn\u00edmu prost\u0159ed\u00ed. T\u011bsn\u011bn\u00ed: 300 a\u017e 800 hodin se standardn\u00edmi b\u0159itov\u00fdmi t\u011bsn\u011bn\u00edmi, 1 500 a\u017e 3 000 hodin s dvojit\u00fdmi ku\u017eelov\u00fdmi t\u011bsn\u011bn\u00edmi. Lo\u017eiska: 1 500 a\u017e 3 000 hodin (omezeno fale\u0161n\u00fdm Brinellingem). \u0160rouby pouzdra: kontrola utahovac\u00edho momentu je nutn\u00e1 ka\u017ed\u00fdch 250 hodin bez v\u00fdjimky. Celkov\u00e9 n\u00e1klady na vlastnictv\u00ed b\u011bhem typick\u00e9 \u017eivotnosti stroje 6 000 hodin jsou dominov\u00e1ny v\u00fdm\u011bnou t\u011bsn\u011bn\u00ed a lo\u017eisek \u2013 nikoli po\u010d\u00e1te\u010dn\u00ed po\u0159izovac\u00ed cenou p\u0159evodovky. Pou\u017eit\u00ed vibra\u010dn\u011b kalen\u00fdch sou\u010d\u00e1st\u00ed zvy\u0161uje po\u010d\u00e1te\u010dn\u00ed n\u00e1klady o 30 a\u017e 501 TP3T, ale sni\u017euje frekvenci v\u00fdm\u011bn o 50 a\u017e 701 TP3T, co\u017e vede k \u010dist\u00e9 \u00faspo\u0159e 25 a\u017e 401 TP3T b\u011bhem \u017eivotnosti stroje.<\/p>\n<\/div>\n

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Jak\u00fd je typick\u00fd p\u0159evodov\u00fd pom\u011br?<\/h3>\n

50:1 a\u017e 100:1 pro modely s vlastn\u00edm pohonem. Ultran\u00edzk\u00e1 provozn\u00ed rychlost (0,5 a\u017e 3 km\/h) v kombinaci s pot\u0159ebou plynul\u00e9 regulace rychlosti pojezdu vy\u017eaduje vysok\u00fd reduk\u010dn\u00ed pom\u011br \u2013 co\u017e umo\u017e\u0148uje hydraulick\u00e9mu motoru pracovat p\u0159i 200 a\u017e 500 ot\u00e1\u010dk\u00e1ch za minutu, kde jsou vibracemi vyvolan\u00e9 pulsace ot\u00e1\u010dek tlumeny setrva\u010dnost\u00ed motoru p\u0159ed dosa\u017een\u00edm v\u00fdstupu p\u0159evodovky.<\/p>\n<\/div>\n

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Dod\u00e1v\u00e1 Korea Ever-Power pohony kol pro drti\u010de kamene?<\/h3>\n

Ano. Spole\u010dnost Korea Ever-Power vyr\u00e1b\u00ed planetov\u00e9 p\u0159evodovky s pohonem kol pro drti\u010de kamene pro \u010di\u0161t\u011bn\u00ed pozemk\u016f od 5 000 do 35 000 Nm se zv\u00fd\u0161en\u00fdm p\u0159edp\u011bt\u00edm lo\u017eisek pro odolnost proti vibrac\u00edm, mo\u017enostmi dvojit\u00e9ho ku\u017eelov\u00e9ho t\u011bsn\u011bn\u00ed, kalen\u00fdmi pouzdry h\u0159\u00eddele (60+ HRC), zes\u00edlen\u00fdmi mont\u00e1\u017en\u00edmi p\u0159\u00edrubami s 8 a\u017e 12 \u0161rouby a kol\u00edky a kalen\u00fdmi ozuben\u00fdmi koly dimenzovan\u00fdmi pro kombinovan\u00e9 vibra\u010dn\u00ed a trak\u010dn\u00ed zat\u00ed\u017een\u00ed. Pro specifikaci s odpov\u00eddaj\u00edc\u00edmi vibracemi uve\u010fte v\u00fdrobce drti\u010de, model, v\u00fdkon rotoru a typick\u00fd typ horniny. Spole\u010dnost Korea Ever-Power tak\u00e9 poskytuje slu\u017eby vibra\u010dn\u00ed anal\u00fdzy pro charakterizaci skute\u010dn\u00e9ho vibra\u010dn\u00edho prost\u0159ed\u00ed na konkr\u00e9tn\u00edm stroji \u2013 zaji\u0161\u0165uje, aby p\u0159edp\u011bt\u00ed lo\u017eisek, typ t\u011bsn\u011bn\u00ed a mont\u00e1\u017en\u00ed v\u00fdztuha odpov\u00eddaly nam\u011b\u0159en\u00fdm \u00farovn\u00edm vibrac\u00ed, a nikoli odhadovan\u00fdm z obecn\u00fdch pr\u016fmyslov\u00fdch dat.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony kol drti\u010d\u016f kamene \u2013 kalen\u00e9 proti vibrac\u00edm, prachot\u011bsn\u00e9, odoln\u00e9 proti n\u00e1razu<\/div>\n

Spole\u010dnost Korea Ever-Power dod\u00e1v\u00e1 pohony kol drti\u010d\u016f kamene od 5 000 do 35 000 Nm s odolnost\u00ed proti vibrac\u00edm v t\u011b\u017eebn\u00edm pr\u016fmyslu, dvojit\u00fdm ku\u017eelov\u00fdm t\u011bsn\u011bn\u00edm a zes\u00edlen\u00fdm uchycen\u00edm.<\/p>\n<\/div>\n

Zobrazit \u0159adu pohon\u016f kol \u2192<\/a><\/p>\n
sales@planet\u00e1rn\u00ed-p\u0159evodovky.com<\/div>\n<\/div>\n<\/div>\n<\/section>\n

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

Korea Ever-Power \u00b7 Application Engineering \u00b7 Land Clearing Stone Crushers Wheel Drive Planetary Gearbox for Land Clearing Stone Crushers A stone crusher drives at 0.5 to 3 km\/h across raw terrain \u2014 pulverising boulders up to 500 mm while the rotor generates vibration that would destroy a standard agricultural gearbox in 200 hours. The wheel […]<\/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":[965],"tags":[],"class_list":["post-1164","post","type-post","status-publish","format-standard","hentry","category-application-and-technical-guid"],"_links":{"self":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/comments?post=1164"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1164\/revisions"}],"predecessor-version":[{"id":1166,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1164\/revisions\/1166"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media?parent=1164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/categories?post=1164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/tags?post=1164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}