{"id":1039,"date":"2026-06-23T05:49:39","date_gmt":"2026-06-23T05:49:39","guid":{"rendered":"https:\/\/planetary-gearboxes.com\/?p=1039"},"modified":"2026-06-23T05:49:39","modified_gmt":"2026-06-23T05:49:39","slug":"track-drive-planetary-gearbox-for-dump-trucks","status":"publish","type":"post","link":"https:\/\/planetary-gearboxes.com\/cs\/track-drive-planetary-gearbox-for-dump-trucks\/","title":{"rendered":"Planetov\u00e1 p\u0159evodovka s p\u00e1sov\u00fdm pohonem pro skl\u00e1p\u011b\u010de"},"content":{"rendered":"
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\"Planetov\u00e1<\/p>\n
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Aplika\u010dn\u00ed in\u017een\u00fdrstv\u00ed<\/span>
\nP\u00e1sov\u00e9 skl\u00e1p\u011b\u010de<\/span><\/div>\n

Planetov\u00e1 p\u0159evodovka s p\u00e1sov\u00fdm pohonem pro skl\u00e1p\u011b\u010de \u2013 pln\u00e9 u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed, strm\u00fd sklon, m\u011bkk\u00fd ter\u00e9n<\/h1>\n

Kolov\u00fd kloubov\u00fd skl\u00e1p\u011b\u010d s pln\u00fdm u\u017eite\u010dn\u00fdm zat\u00ed\u017een\u00edm na svahu 15% v mokr\u00e9 hl\u00edn\u011b? Prot\u00e1\u010dej\u00edc\u00ed se pneumatiky a nulov\u00e1 akce. Stejn\u00e9 u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed na stejn\u00e9m svahu s p\u00e1sov\u00fdm skl\u00e1p\u011b\u010dem: stabiln\u00edch 6 km\/h do kopce, \u017e\u00e1dn\u00e9 prot\u00e1\u010den\u00ed kol, \u017e\u00e1dn\u00e9 vyjet\u00e9 koleje, \u017e\u00e1dn\u00e9 po\u0161kozen\u00ed ter\u00e9nu. planetov\u00e1 p\u0159evodovka s pohonem p\u00e1s\u016f<\/strong> to umo\u017e\u0148uje \u2013 a d\u011bl\u00e1 to 8 a\u017e 10 hodin za sm\u011bnu, do kopce a s n\u00e1kladem, v nejn\u00e1ro\u010dn\u011bj\u0161\u00edch podm\u00ednk\u00e1ch na jak\u00e9koli p\u0159epravn\u00ed silnici.<\/p>\n

Proch\u00e1zet planetov\u00e9 p\u0159evodovky pro p\u00e1sov\u00e9 pohony \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/section>\n

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P\u00e1sov\u00e9 vs. kolov\u00e9 skl\u00e1p\u011b\u010de \u2013 technick\u00e9 argumenty pro p\u00e1sy na neupraven\u00e9m ter\u00e9nu<\/h2>\n

Rozhodnut\u00ed mezi kolov\u00fdm kloubov\u00fdm damprem (ADT) a p\u00e1sov\u00fdm damprem (naz\u00fdvan\u00fdm tak\u00e9 p\u00e1sov\u00fd nosi\u010d nebo p\u00e1sov\u00fd nosi\u010d) je v z\u00e1sad\u011b z\u00e1visl\u00e9 na stavu ter\u00e9nu. Na dob\u0159e udr\u017eovan\u00e9 \u0161t\u011brkov\u00e9 komunikaci je kolov\u00fd ADT rychlej\u0161\u00ed, levn\u011bj\u0161\u00ed na tunokilometr a m\u00e1 ni\u017e\u0161\u00ed spot\u0159ebu paliva. Na \u010demkoli m\u011bk\u010d\u00edm \u2013 a \u201em\u011bk\u010d\u00ed\u201c zahrnuje v\u011bt\u0161inu podm\u00ednek, s nimi\u017e se setk\u00e1v\u00e1me p\u0159i rekultivaci, skl\u00e1dkov\u00e1n\u00ed, prov\u00e1d\u011bn\u00ed ropovod\u016f, pro ra\u0161elinu a p\u0159i zemn\u00edch prac\u00edch v obdob\u00ed de\u0161\u0165\u016f \u2013 dod\u00e1 p\u00e1sov\u00fd dampre u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed, zat\u00edmco kolov\u00fd damp\u0159 to nedok\u00e1\u017ee.<\/p>\n

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Parametr<\/th>\nKolov\u00fd ADT (u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed 30 t)<\/th>\nP\u00e1sov\u00fd skl\u00e1p\u011b\u010d (u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed 15 t)<\/th>\n<\/tr>\n<\/thead>\n
Tlak na zem (zat\u00ed\u017een\u00fd)<\/td>\n180 \u2013 350 kPa<\/td>\n30 \u2013 55 kPa (6x ni\u017e\u0161\u00ed)<\/td>\n<\/tr>\n
Pr\u016fchodnost m\u011bkk\u00e9ho povrchu<\/td>\nSel\u017ee pod CBR 8<\/td>\nFunguje do CBR 2\u20133<\/td>\n<\/tr>\n
Maxim\u00e1ln\u00ed sklon (zat\u00ed\u017een\u00fd, m\u011bkk\u00fd)<\/td>\n8 \u2013 12% (omezen\u00e1 trakce)<\/td>\n20 \u2013 30% (omezen\u00fd po\u010det motor\u016f)<\/td>\n<\/tr>\n
Rychlost p\u0159i zat\u00ed\u017een\u00ed (bez z\u00e1t\u011b\u017ee)<\/td>\n25 \u2013 40 km\/h<\/td>\n8 \u2013 12 km\/h<\/td>\n<\/tr>\n
Po\u0161kozen\u00ed zem\u011b<\/td>\nSiln\u00e9 vyjet\u00ed kolej\u00ed na m\u011bkk\u00e9m povrchu<\/td>\nMinim\u00e1ln\u00ed \u2013 rozkl\u00e1d\u00e1 z\u00e1t\u011b\u017e<\/td>\n<\/tr>\n
Typ koncov\u00e9ho pohonu<\/td>\nPlanetov\u00e1 p\u0159evodovka pohonu kol<\/a><\/td>\nPlanetov\u00e1 p\u0159evodovka s pohonem p\u00e1s\u016f<\/a><\/td>\n<\/tr>\n
Palivo na tunokilometr<\/td>\nNi\u017e\u0161\u00ed (na dobr\u00e9 silnici)<\/td>\nVy\u0161\u0161\u00ed (t\u0159en\u00ed v koleji)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Bod zvratu:<\/strong> Kdy\u017e sou\u010dinitel \u00fanosnosti povrchu (CBR) klesne pod 8 \u2013 co\u017e je zhruba stav mokr\u00e9ho j\u00edlovit\u00e9ho ter\u00e9nu po de\u0161ti \u2013 kolov\u00fd ADT za\u010dne ztr\u00e1cet trakci, zabo\u0159ovat se do vyjet\u00fdch kolej\u00ed a vy\u017eadovat \u00fadr\u017ebu odvozn\u00ed cesty. Pod CBR 4 nem\u016f\u017ee kolov\u00fd ADT v\u016fbec fungovat. P\u00e1sov\u00fd damper pokra\u010duje v pr\u00e1ci s CBR 2 a\u017e 3, \u010d\u00edm\u017e zcela eliminuje n\u00e1klady na v\u00fdstavbu a \u00fadr\u017ebu odvozn\u00ed cesty. Pro lokality, kde by zlep\u0161en\u00ed ter\u00e9nu st\u00e1lo v\u00edce ne\u017e sn\u00ed\u017een\u00ed produktivity p\u00e1sov\u00e9ho damperu (ni\u017e\u0161\u00ed rychlost, ni\u017e\u0161\u00ed u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed na cestu), je p\u00e1sov\u00e1 varianta ekonomicky racion\u00e1ln\u00ed volbou bez ohledu na p\u0159\u00edplatek za palivo na tunokilometr.<\/p>\n<\/div>\n<\/section>\n

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Odolnost proti svahu s u\u017eite\u010dn\u00fdm zat\u00ed\u017een\u00edm \u2013 zat\u011b\u017eovac\u00ed stav, kter\u00fd dimenzuje pohony p\u00e1sov\u00fdch dampr\u016f<\/h2>\n

P\u00e1sov\u00fd skl\u00e1p\u011b\u010d veze sv\u00e9 u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed do kopce. Ka\u017ed\u00fd metr p\u0159ev\u00fd\u0161en\u00ed p\u0159i pln\u00e9m u\u017eite\u010dn\u00e9m zat\u00ed\u017een\u00ed vy\u017eaduje trval\u00fd to\u010div\u00fd moment na pohonech p\u00e1s\u016f \u2013 to\u010div\u00fd moment, kter\u00fd mus\u00ed b\u00fdt udr\u017eov\u00e1n po celou p\u0159epravn\u00ed vzd\u00e1lenost, kter\u00e1 m\u016f\u017ee u velk\u00fdch zemn\u00edch a rekultiva\u010dn\u00edch projekt\u016f \u010dinit 200 a\u017e 2 000 metr\u016f. Tento trval\u00fd provoz s n\u00e1kladem do kopce je ur\u010duj\u00edc\u00edm p\u0159\u00edpadem zat\u00ed\u017een\u00ed pohonu p\u00e1s\u016f pro skl\u00e1p\u011b\u010de.<\/p>\n

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Dimenze odolnosti proti svahu \u2014 p\u00e1sov\u00fd skl\u00e1p\u011b\u010d s u\u017eite\u010dn\u00fdm zat\u00ed\u017een\u00edm 15 t, stavebn\u00ed t\u0159\u00edda 20%<\/div>\n
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Vzhledem k:<\/div>\n
\u00a0\u00a0Hmotnost pr\u00e1zdn\u00e9ho stroje: 18 000 kg<\/div>\n
\u00a0\u00a0U\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed: 15 000 kg<\/div>\n
\u00a0\u00a0Celkov\u00e1 hmotnost vozidla (GVW): 33 000 kg<\/div>\n
\u00a0\u00a0Pohony kolej\u00ed: 2 (jeden na kolej)<\/div>\n
\u00a0\u00a0Rozte\u010d \u0159et\u011bzov\u00e9ho kola: 550 mm (r = 0,275 m)<\/div>\n
\u00a0\u00a0Sklon z\u00e1tahu: 20% (11,3 stup\u0148\u016f)<\/div>\n
\u00a0\u00a0Valiv\u00fd odpor (m\u011bkk\u00e1 hl\u00edna): 8%<\/div>\n
Krok 1 \u2013 \u00danosnost na svahu pro ka\u017edou kolej (zat\u00ed\u017eenou):<\/div>\n
\u00a0\u00a0F_stupe\u0148 = (33 000 x 9,81 x sin(11,3)) \/ 2<\/div>\n
\u00a0\u00a0F_stupe\u0148 = 31 723 N na kolej<\/strong><\/div>\n
Krok 2 \u2013 Valiv\u00fd odpor na tra\u0165 (m\u011bkk\u00e1 hl\u00edna p\u0159i 8%):<\/div>\n
\u00a0\u00a0F_roll = (33 000 x 9,81 x 0,08) \/ 2<\/div>\n
\u00a0\u00a0F_roll = 12 949 N na kolej<\/strong><\/div>\n
Krok 3 \u2013 Celkov\u00fd trval\u00fd to\u010div\u00fd moment na jeden pohon kolejnice:<\/div>\n
\u00a0\u00a0T = (31 723 + 12 949) x 0,275<\/div>\n
\u00a0\u00a0T = 12 285 Nm trvale po celou dobu j\u00edzdy do kopce<\/strong><\/div>\n
Krok 4 \u2013 Pou\u017eit\u00ed SF = 1,5 (trval\u00e9 ta\u017een\u00ed, m\u00edrn\u00e9 r\u00e1zy):<\/div>\n
\u00a0\u00a0Po\u017eadovan\u00e1_t = 12 285 x 1,5 = Minim\u00e1ln\u00ed trval\u00fd to\u010div\u00fd moment 18 428 Nm<\/strong><\/div>\n
Krok 5 \u2013 Kontrola zp\u00e1te\u010dn\u00ed cesty (pr\u00e1zdn\u00fd v\u016fz, z kopce, brzd\u011bn\u00ed):<\/div>\n
\u00a0\u00a0Brzdn\u00e1 s\u00edla (pr\u00e1zdn\u00fd v\u016fz, sestup 20%): (18 000 x 9,81 x sin(11,3)) \/ 2<\/div>\n
\u00a0\u00a0= 17 300 N na kolej \u2192 brzda mus\u00ed udr\u017eet 4 758 Nm<\/strong><\/div>\n
\u2192 Pohon p\u00e1s\u016f Korea Ever-Power 22 000 Nm s integrovanou brzdou 6 000 Nm \u2714<\/div>\n<\/div>\n<\/div>\n
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Pro\u010d je valiv\u00fd odpor na m\u011bkk\u00e9m povrchu d\u016fle\u017eit\u011bj\u0161\u00ed<\/div>\n

Na zhutn\u011bn\u00e9 \u0161t\u011brkov\u00e9 p\u0159epravn\u00ed cest\u011b je valiv\u00fd odpor 3 ku 41 TP3T celkov\u00e9 hmotnosti. Na m\u011bkk\u00e9m j\u00edlu se zvy\u0161uje na 8 a\u017e 121 TP3T. Na ra\u0161elin\u011b nebo skl\u00e1dkov\u00e9m odpadu m\u016f\u017ee dos\u00e1hnout 15 a\u017e 201 TP3T. P\u0159i valiv\u00e9m odporu 151 TP3T na svahu 201 TP3T se s\u00edla valiv\u00e9ho odporu t\u00e9m\u011b\u0159 rovn\u00e1 s\u00edle odporu ve svahu \u2013 to znamen\u00e1, \u017ee celkov\u00fd po\u017eadavek na to\u010div\u00fd moment pohonu p\u00e1s\u016f je t\u00e9m\u011b\u0159 dvojn\u00e1sobn\u00fd oproti tomu, co p\u0159edpov\u00edd\u00e1 samotn\u00fd v\u00fdpo\u010det svahu. In\u017een\u00fd\u0159i, kte\u0159\u00ed dimenzuj\u00ed pohon p\u00e1s\u016f pouze na odpor ve svahu a ignoruj\u00ed valiv\u00fd odpor na m\u011bkk\u00e9m povrchu, podhodnocuj\u00ed p\u0159evodovku o 30 ku 501 TP3T.<\/p>\n<\/div>\n

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Tepeln\u00fd p\u0159\u00ednos pro zp\u00e1te\u010dn\u00ed cestu<\/div>\n

P\u00e1sov\u00fd damper t\u00e1hne do kopce (nalo\u017een\u00fd, vysok\u00fd to\u010div\u00fd moment, vysok\u00e9 zah\u0159\u00e1t\u00ed) a vrac\u00ed se z kopce (pr\u00e1zdn\u00fd, n\u00edzk\u00fd to\u010div\u00fd moment, brzd\u011bn\u00ed motorem). Zp\u00e1te\u010dn\u00ed cesta je interval ochlazov\u00e1n\u00ed \u2013 teplota oleje v pohonu p\u00e1s\u016f b\u011bhem j\u00edzdy z kopce kles\u00e1. Tento p\u0159irozen\u00fd tepeln\u00fd cyklus je specifick\u00fd pro p\u0159epravn\u00ed aplikace a poskytuje pohonu p\u00e1s\u016f tepeln\u00fd klid, kter\u00e9ho buldozery nikdy nedos\u00e1hnou. Efektivn\u00ed pracovn\u00ed cyklus pro tepeln\u00e9 dimenzov\u00e1n\u00ed je 50 a\u017e 601 TP3T \u2013 m\u00e9n\u011b ne\u017e u buldozeru (75 a\u017e 851 TP3T), a to i p\u0159esto, \u017ee damper pracuje nep\u0159etr\u017eit\u011b po celou sm\u011bnu.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

\"Planetov\u00e1<\/p>\n

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Pom\u011br u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed k hmotnosti \u2013 Pro\u010d p\u00e1sov\u00e9 dampry pot\u0159ebuj\u00ed v\u011bt\u0161\u00ed to\u010div\u00fd moment na tunu ne\u017e kolov\u00e9 dampry<\/h2>\n

Kolov\u00fd autopodvozek obvykle nese u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed odpov\u00eddaj\u00edc\u00ed jeho pr\u00e1zdn\u00e9 hmotnosti \u2013 30tunov\u00fd n\u00e1kladn\u00ed v\u016fz vezme 30 tun, co\u017e zdvojn\u00e1sobuje celkovou hmotnost. P\u00e1sov\u00fd skl\u00e1p\u011b\u010d vezme u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed od 60 do 901 tun na tunu sv\u00e9 pr\u00e1zdn\u00e9 hmotnosti \u2013 18tunov\u00fd stroj vezme 15 tun, co\u017e zvy\u0161uje celkovou hmotnost o 831 tun na tunu. P\u00e1sov\u00fd skl\u00e1p\u011b\u010d je na tunu u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed t\u011b\u017e\u0161\u00ed kv\u016fli p\u00e1sov\u00e9mu podvozku, kter\u00fd v\u00e1\u017e\u00ed o 30 a\u017e 501 tun na tunu v\u00edce ne\u017e ekvivalentn\u00ed kolov\u00fd podvozek.<\/p>\n

Tento ni\u017e\u0161\u00ed pom\u011br u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed k hmotnosti znamen\u00e1, \u017ee p\u00e1sov\u00fd skl\u00e1p\u011b\u010d mus\u00ed p\u0159epravovat v\u00edce vlastn\u00ed hmotnosti na tunu p\u0159epravovan\u00e9ho u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed \u2013 co\u017e zvy\u0161uje po\u017eadavek na to\u010div\u00fd moment u pohon\u016f p\u00e1s\u016f na jednotku produktivn\u00ed kapacity. Na rovn\u00e9m, pevn\u00e9m ter\u00e9nu je proto p\u00e1sov\u00fd skl\u00e1p\u011b\u010d m\u00e9n\u011b efektivn\u00ed ne\u017e kolov\u00fd autonomn\u00ed skl\u00e1p\u011b\u010d. Na m\u011bkk\u00e9m ter\u00e9nu, kde kolov\u00fd autonomn\u00ed skl\u00e1p\u011b\u010d nem\u016f\u017ee v\u016fbec fungovat, je v\u0161ak srovn\u00e1n\u00ed irelevantn\u00ed \u2013 p\u00e1sov\u00fd skl\u00e1p\u011b\u010d je produktivn\u00ed dle standardu %, zat\u00edmco kolov\u00e1 varianta dle standardu 0TP3T.<\/p>\n

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83%<\/div>\n
Zv\u00fd\u0161en\u00ed celkov\u00e9 hmotnosti (p\u00e1sov\u00e9 vozidlo, u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed 15 t na 18t stroji)<\/div>\n<\/div>\n
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100%<\/div>\n
Zv\u00fd\u0161en\u00ed celkov\u00e9 hmotnosti (kolov\u00fd, u\u017eite\u010dn\u00e1 hmotnost 30 t na 30tunov\u00e9m n\u00e1kladn\u00edm voze)<\/div>\n<\/div>\n
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6x<\/div>\n
ni\u017e\u0161\u00ed tlak na p\u016fdu (p\u00e1sov\u00fd vs. kolov\u00fd)<\/div>\n<\/div>\n
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0<\/div>\n
n\u00e1klady na \u00fadr\u017ebu silnic na sledovan\u00fdch tras\u00e1ch<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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P\u011bt aplikac\u00ed, kde p\u00e1sov\u00e9 skl\u00e1p\u011b\u010de eliminuj\u00ed omezen\u00ed kolov\u00fdch dampr\u016f<\/h2>\n

P\u00e1sov\u00fd skl\u00e1p\u011b\u010d nen\u00ed univerz\u00e1ln\u00edm n\u00e1kladn\u00edm vozidlem. Je to specializovan\u00fd stroj, kter\u00fd vynik\u00e1 v p\u011bti specifick\u00fdch podm\u00ednk\u00e1ch, kde kolov\u00e1 vozidla selh\u00e1vaj\u00ed nebo kde n\u00e1klady na uveden\u00ed kolov\u00e9ho vozidla do provozu (v\u00fdstavba a \u00fadr\u017eba silnic) p\u0159evy\u0161uj\u00ed n\u00e1klady na sn\u00ed\u017een\u00ed produktivity p\u00e1sov\u00e9ho vozidla.<\/p>\n

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Skl\u00e1dky a m\u00edsta pro odpad<\/div>\n

CBR odpadn\u00edho materi\u00e1lu: 1 a\u017e 3. Kolov\u00e9 n\u00e1kladn\u00ed vozy se okam\u017eit\u011b pot\u00e1p\u00ed. P\u00e1sov\u00e9 skl\u00e1dky p\u0159epravuj\u00ed kryc\u00ed materi\u00e1l p\u0159es aktivn\u00ed bu\u0148ky skl\u00e1dky bez \u00fapravy ter\u00e9nu. Pohon p\u00e1s\u016f pracuje v nejv\u00edce korozivn\u00edm prost\u0159ed\u00ed ze v\u0161ech p\u0159epravn\u00edch aplikac\u00ed \u2013 v\u00fdluhy ze skl\u00e1dky nap\u00e1daj\u00ed t\u011bsn\u011bn\u00ed a povrchy budov.<\/p>\n<\/div>\n

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Rekultivace a zasyp\u00e1n\u00ed bagrem<\/div>\n

Nov\u011b nanesen\u00fd bagrovac\u00ed n\u00e1syp m\u00e1 t\u00e9m\u011b\u0159 nulovou \u00fanosnost, dokud nezhutn\u00ed. P\u00e1sov\u00e9 dampry rozprost\u00edraj\u00ed n\u00e1syp po povrchu a rozkl\u00e1daj\u00ed hmotnost, aby se zabr\u00e1nilo prora\u017een\u00ed nezhutn\u011bn\u00e9 vrstvy. Pohon p\u00e1s\u016f mus\u00ed b\u00fdt p\u0159i ka\u017ed\u00e9m cyklu \u010d\u00e1ste\u010dn\u011b pono\u0159en\u00fd v nasycen\u00e9m p\u00edsku a vod\u011b.<\/p>\n<\/div>\n

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Potrubn\u00ed a in\u017een\u00fdrsk\u00e9 koridory<\/div>\n

Dopravn\u00ed cesty potrub\u00ed k\u0159i\u017euj\u00ed zem\u011bd\u011blskou p\u016fdu, mok\u0159ady a zalesn\u011bn\u00fd ter\u00e9n, kde je v\u00fdstavba p\u0159epravn\u00edch cest zak\u00e1z\u00e1na nebo nepraktick\u00e1. P\u00e1sov\u00e9 skl\u00e1p\u011b\u010de p\u0159epravuj\u00ed potrub\u00ed, z\u00e1sypov\u00fd materi\u00e1l a za\u0159\u00edzen\u00ed pod\u00e9l koridoru s minim\u00e1ln\u00edm naru\u0161en\u00edm povrchu. Planetov\u00e9 p\u0159evodovky Ever-Power od Koreje<\/a> obsluhovat kompletn\u00ed flotilu potrubn\u00edho za\u0159\u00edzen\u00ed.<\/p>\n<\/div>\n

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Ra\u0161elini\u0161t\u011b a mok\u0159ady<\/div>\n

\u00danosnost ra\u0161eliny: 10 a\u017e 25 kPa \u2013 v\u00fdrazn\u011b m\u00e9n\u011b ne\u017e u jak\u00e9hokoli kolov\u00e9ho vozidla. P\u00e1sov\u00e9 skl\u00e1p\u011b\u010de se \u0161irok\u00fdmi p\u00e1sy (500 a\u017e 700 mm) dosahuj\u00ed tlaku na zem 20 a\u017e 30 kPa, co\u017e umo\u017e\u0148uje p\u0159epravu materi\u00e1lu p\u0159es aktivn\u00ed z\u00f3ny t\u011b\u017eby ra\u0161eliny bez propadnut\u00ed podlo\u017e\u00ed.<\/p>\n<\/div>\n

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Zemn\u00ed pr\u00e1ce v obdob\u00ed de\u0161\u0165\u016f<\/div>\n

B\u011bhem monzunov\u00fdch a de\u0161\u0165ov\u00fdch obdob\u00ed v tropick\u00e9m stavebnictv\u00ed jsou kolov\u00e9 dampry odstaveny na cel\u00e9 t\u00fddny. P\u00e1sov\u00e9 dampry pokra\u010duj\u00ed v provozu na nasycen\u00e9 p\u016fd\u011b \u2013 dodr\u017euj\u00ed tak harmonogram projektu, i kdy\u017e po\u010das\u00ed zastav\u00ed provoz kolov\u00e9 techniky. Dodate\u010dn\u00e9 n\u00e1klady na palivo na tunu jsou kompenzov\u00e1ny odstran\u011bn\u00edm pokut za zpo\u017ed\u011bn\u00ed zp\u016fsoben\u00e9 po\u010das\u00edm.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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T\u0159i re\u017eimy selh\u00e1n\u00ed pohonu p\u00e1s\u016f specifick\u00e9 pro servis p\u00e1sov\u00fdch skl\u00e1p\u011b\u010d\u016f<\/h2>\n
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1<\/div>\n
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Trval\u00e9 tepeln\u00e9 p\u0159et\u00ed\u017een\u00ed b\u011bhem dlouh\u00fdch j\u00edzd do kopce na m\u011bkk\u00e9m povrchu<\/div>\n

Na rozd\u00edl od buldozeru, kter\u00fd na jednu j\u00edzdu zvl\u00e1dne 60 a\u017e 120 metr\u016f, p\u00e1sov\u00fd skl\u00e1p\u011b\u010d t\u00e1hne do kopce 200 a\u017e 2 000 metr\u016f na jednu j\u00edzdu \u2013 s trval\u00fdm t\u00e9m\u011b\u0159 maxim\u00e1ln\u00edm to\u010div\u00fdm momentem na m\u011bkk\u00e9m povrchu. Kombinovan\u00fd odpor svahu a valiv\u00fd odpor na m\u011bkk\u00e9m povrchu vytv\u00e1\u0159\u00ed nep\u0159etr\u017eit\u00fd p\u0159\u00edsun tepla do olejov\u00e9 l\u00e1zn\u011b pohonu p\u00e1s\u016f po dobu 3 a\u017e 15 minut na jednu j\u00edzdu s n\u00e1kladem. Na d\u00e1lkov\u00fdch tras\u00e1ch v hork\u00e9m podneb\u00ed m\u016f\u017ee teplota oleje p\u0159ekro\u010dit 110 \u00b0C, ne\u017e je j\u00edzda s n\u00e1kladem dokon\u010dena. Opakovan\u00e9 tepeln\u00e9 cykly nad prahovou hodnotou olejov\u00e9ho filmu urychluj\u00ed \u00fanavu povrchu zub\u016f ozuben\u00e9ho kola.<\/p>\n

Prevence: Sledujte teplotu oleje na d\u00e1lkov\u00fdch tras\u00e1ch. Sni\u017ete rychlost o 20% na svaz\u00edch p\u0159esahuj\u00edc\u00edch 15%, pokud se teplota oleje bl\u00ed\u017e\u00ed 100 \u00b0C. Pro tropick\u00e9 a pou\u0161tn\u00ed podm\u00ednky pou\u017eijte syntetick\u00fd p\u0159evodov\u00fd olej.<\/div>\n<\/div>\n<\/div>\n
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2<\/div>\n
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Degradace korozivn\u00edho prost\u0159ed\u00ed na skl\u00e1dk\u00e1ch a rekultiva\u010dn\u00edch m\u00edstech<\/div>\n

V\u00fdluhy ze skl\u00e1dek (pH 5 a\u017e 8, obsahuj\u00edc\u00ed rozpu\u0161t\u011bn\u00e9 kovy a organick\u00e9 kyseliny) a slan\u00e1 voda (z rekultiva\u010dn\u00edch m\u00edst) napadaj\u00ed sk\u0159\u00ed\u0148 pohonu p\u00e1s\u016f, t\u011bsnic\u00ed plochy a z\u00e1vity upev\u0148ovac\u00edch prvk\u016f. B\u011bhem 2 000 a\u017e 4 000 hodin provozu v t\u011bchto prost\u0159ed\u00edch doch\u00e1z\u00ed ke korozi povrch\u016f sk\u0159\u00edn\u011b, degradaci materi\u00e1lu t\u011bsnic\u00edho b\u0159itu a uvoln\u011bn\u00ed utahovac\u00edho momentu \u0161roub\u016f, proto\u017ee koroze oslabuje up\u00ednac\u00ed rozhran\u00ed. Sk\u0159\u00ed\u0148 p\u0159evodovky, kter\u00e1 se jev\u00ed jako konstruk\u010dn\u011b zdrav\u00e1, m\u016f\u017ee m\u00edt v korozn\u00edch oblastech sn\u00ed\u017eenou tlou\u0161\u0165ku st\u011bny o 20 a\u017e 30%.<\/p>\n

Prevence: Na kryt a spojovac\u00ed prvky naneste antikorozn\u00ed n\u00e1t\u011br n\u00e1mo\u0159n\u00ed kvality. P\u0159i ka\u017ed\u00e9m v\u011bt\u0161\u00edm servisu zkontrolujte tlou\u0161\u0165ku st\u011bn krytu. Pro provoz na skl\u00e1dk\u00e1ch pou\u017e\u00edvejte spojovac\u00ed prvky z nerezov\u00e9 oceli a t\u011bsnic\u00ed hmoty FKM ur\u010den\u00e9 pro chemick\u00e9 prost\u0159ed\u00ed.<\/div>\n<\/div>\n<\/div>\n
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3<\/div>\n
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Asymetrick\u00e9 zat\u00ed\u017een\u00ed z d\u016fvodu nerovnom\u011brn\u00e9ho rozlo\u017een\u00ed u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed<\/div>\n

P\u00e1sov\u00fd skl\u00e1p\u011b\u010d nakl\u00e1dan\u00fd bagrem \u010dasto p\u0159ij\u00edm\u00e1 materi\u00e1l nerovnom\u011brn\u011b \u2013 na jedn\u00e9 stran\u011b korby je v\u011bt\u0161\u00ed v\u00e1ha ne\u017e na druh\u00e9. U u\u017eite\u010dn\u00e9ho zat\u00ed\u017een\u00ed 15 tun p\u0159en\u00e1\u0161\u00ed rozd\u011blen\u00ed 60\/40 na jeden p\u00e1s 9 tun a na druh\u00fd 6 tun \u2013 asymetrie zat\u00ed\u017een\u00ed 501 TP3T. Pohon t\u011b\u017e\u0161\u00edho p\u00e1su pracuje s nomin\u00e1ln\u00edm zat\u00ed\u017een\u00edm 120 a\u017e 1301 TP3T, zat\u00edmco leh\u010d\u00ed strana pracuje s zat\u00ed\u017een\u00edm 70 a\u017e 801 TP3T. B\u011bhem tis\u00edc\u016f p\u0159epravn\u00edch cykl\u016f doch\u00e1z\u00ed na siln\u011b zat\u00ed\u017een\u00e9 stran\u011b k ne\u00fam\u011brn\u00e9mu opot\u0159eben\u00ed lo\u017eisek a p\u0159evod\u016f, co\u017e vede k selh\u00e1n\u00ed jednoho pohonu p\u00e1su, zat\u00edmco druh\u00fd m\u00e1 st\u00e1le zb\u00fdvaj\u00edc\u00ed \u017eivotnost 40 a\u017e 601 TP3T.<\/p>\n

Prevence: Pro\u0161kolte obsluhu bagru v vyst\u0159ed\u011bn\u00ed z\u00e1t\u011b\u017ee v korb\u011b skl\u00e1dky. P\u0159i dimenzov\u00e1n\u00ed pohonu p\u00e1s\u016f pou\u017eijte 1,3n\u00e1sobn\u00fd sou\u010dinitel asymetrick\u00e9ho zat\u00ed\u017een\u00ed \u2013 oba pohony by m\u011bly b\u00fdt dimenzov\u00e1ny na 130% jmenovit\u00e9ho to\u010div\u00e9ho momentu na p\u00e1s.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n
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Planetov\u00e1 p\u0159evodovka s p\u00e1sov\u00fdm pohonem pro skl\u00e1p\u011b\u010de \u2013 \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n
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Jak se pracovn\u00ed cyklus skl\u00e1p\u011b\u010de po p\u00e1su srovn\u00e1v\u00e1 s buldozerem?<\/h3>\n

Buldozer pracuje s trval\u00fdm to\u010div\u00fdm momentem 60 a\u017e 851 TP3T bez tepeln\u00e9ho odleh\u010den\u00ed \u2013 p\u0159i ka\u017ed\u00e9m pr\u016fjezdu je zat\u00ed\u017een\u00ed v obou sm\u011brech (tla\u010den\u00ed vp\u0159ed, couv\u00e1n\u00ed vzad). P\u00e1sov\u00fd skl\u00e1p\u011b\u010d pracuje s to\u010div\u00fdm momentem 80 a\u017e 1001 TP3T b\u011bhem j\u00edzdy s n\u00e1kladem do kopce, ale s to\u010div\u00fdm momentem pouze 10 a\u017e 301 TP3T b\u011bhem n\u00e1vratu s pr\u00e1zdn\u00fdm n\u00e1kladem z kopce. Toto tepeln\u00e9 odleh\u010den\u00ed p\u0159i n\u00e1vratu sni\u017euje efektivn\u00ed tepeln\u00fd pracovn\u00ed cyklus na 50 a\u017e 601 TP3T \u2013 v\u00fdrazn\u011b m\u00e9n\u011b ne\u017e u buldozeru. Jednotliv\u00fd pr\u016fjezd s n\u00e1kladem v\u0161ak m\u016f\u017ee b\u00fdt del\u0161\u00ed ne\u017e jak\u00fdkoli jednotliv\u00fd pr\u016fjezd buldozerem tla\u010den\u00edm (2 000 metr\u016f oproti 120 metr\u016fm), co\u017e vede k del\u0161\u00ed nep\u0159etr\u017eit\u00e9 dob\u011b vysok\u00e9ho to\u010div\u00e9ho momentu na jednu j\u00edzdu.<\/p>\n<\/div>\n

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Jak\u00e1 je typick\u00e1 \u017eivotnost p\u00e1sov\u00e9ho pohonu p\u00e1sov\u00e9ho skl\u00e1p\u011b\u010de?<\/h3>\n

Standardn\u00ed zemn\u00ed pr\u00e1ce a rekultivace: 6 000 a\u017e 8 000 hodin. Skl\u00e1dka (korozivn\u00ed prost\u0159ed\u00ed): 4 000 a\u017e 6 000 hodin. Potrub\u00ed (sm\u00ed\u0161en\u00fd ter\u00e9n, st\u0159edn\u011b t\u011b\u017ek\u00fd provoz): 7 000 a\u017e 10 000 hodin. Tepeln\u00e9 cykly mezi j\u00edzdou s n\u00e1kladem do kopce a j\u00edzdou s pr\u00e1zdn\u00fdm n\u00e1kladem z kopce poskytuj\u00ed p\u0159irozenou \u00falevu, kter\u00e1 prodlu\u017euje \u017eivotnost p\u0159evodovky ve srovn\u00e1n\u00ed s provozem buldozeru p\u0159i stejn\u00e9m jmenovit\u00e9m kroutic\u00edm momentu. Korozivn\u00ed prost\u0159ed\u00ed, ve kter\u00fdch p\u00e1sov\u00e9 skl\u00e1p\u011b\u010de b\u011b\u017en\u011b pracuj\u00ed (skl\u00e1dky, rekultivace, pob\u0159e\u017e\u00ed), v\u0161ak urychluj\u00ed degradaci sk\u0159\u00edn\u00ed a t\u011bsn\u011bn\u00ed, co\u017e \u010din\u00ed nezbytn\u00e9 protokoly \u00fadr\u017eby specifick\u00e9 pro dan\u00e9 prost\u0159ed\u00ed.<\/p>\n<\/div>\n

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M\u00e1m dimenzovat pohon p\u00e1s\u016f pro to\u010div\u00fd moment p\u0159i stoup\u00e1n\u00ed s n\u00e1kladem nebo pro brzdn\u00fd moment p\u0159i pr\u00e1zdn\u00e9m brzd\u011bn\u00ed?<\/h3>\n

Oba. Jmenovit\u00fd trval\u00fd to\u010div\u00fd moment pohonu p\u00e1s\u016f mus\u00ed odpov\u00eddat to\u010div\u00e9mu momentu p\u0159i j\u00edzd\u011b do kopce (sklon + valiv\u00fd odpor + SF). Brzda mus\u00ed udr\u017eet nalo\u017een\u00fd stroj na nejstrm\u011bj\u0161\u00edm o\u010dek\u00e1van\u00e9m sklonu b\u011bhem zastaven\u00ed motoru. U v\u011bt\u0161iny profil\u016f p\u00e1sov\u00fdch skl\u00e1p\u011b\u010d\u016f ur\u010duje to\u010div\u00fd moment p\u0159i j\u00edzd\u011b do kopce jmenovit\u00e9 hodnoty p\u0159evodovky, zat\u00edmco brzdn\u00fd moment p\u0159i j\u00edzd\u011b z kopce ur\u010duje jmenovit\u00e9 hodnoty brzd. Oba v\u00fdpo\u010dty by m\u011bly b\u00fdt provedeny nez\u00e1visle a oba mus\u00ed b\u00fdt \u00fasp\u011b\u0161n\u00e9 p\u0159ed finalizac\u00ed specifikace pohonu p\u00e1s\u016f.<\/p>\n<\/div>\n

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Pro\u010d je valiv\u00fd odpor na m\u011bkk\u00e9m povrchu tak d\u016fle\u017eit\u00fd pro dimenzov\u00e1n\u00ed pohonu p\u00e1s\u016f?<\/h3>\n

Na zhutn\u011bn\u00e9m \u0161t\u011brku (valiv\u00fd odpor 3 a\u017e 41 TP3T) je to\u010div\u00fd moment valiv\u00e9ho odporu mal\u00fd v porovn\u00e1n\u00ed s odporem v ter\u00e9nu. Na m\u011bkk\u00e9m j\u00edlu (8 a\u017e 121 TP3T) se valiv\u00fd odpor t\u00e9m\u011b\u0159 rovn\u00e1 odporu v ter\u00e9nu \u2013 co\u017e v podstat\u011b zdvojn\u00e1sobuje celkov\u00fd po\u017eadavek na to\u010div\u00fd moment pohonu p\u00e1s\u016f ve srovn\u00e1n\u00ed s v\u00fdpo\u010dtem pro tvrd\u00fd povrch. Na ra\u0161elin\u011b nebo odpadn\u00edm n\u00e1sypu (15 a\u017e 201 TP3T) valiv\u00fd odpor p\u0159evy\u0161uje odpor v ter\u00e9nu. In\u017een\u00fdr, kter\u00fd vynech\u00e1 \u010dlen valiv\u00e9ho odporu nebo p\u0159edpokl\u00e1d\u00e1 koeficient pro tvrd\u00fd povrch, podhodnot\u00ed pohon p\u00e1s\u016f o 30 a\u017e 1001 TP3T v z\u00e1vislosti na skute\u010dn\u00fdch podm\u00ednk\u00e1ch ter\u00e9nu.<\/p>\n<\/div>\n

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Dod\u00e1v\u00e1 Korea Ever-Power kolejov\u00e9 pohony s korozivzdorn\u00fdmi povlaky pro skl\u00e1dkov\u00e1n\u00ed odpadu?<\/h3>\n

Ano. Spole\u010dnost Korea Ever-Power nab\u00edz\u00ed planetov\u00e9 p\u0159evodovky s pohonem p\u00e1sov\u00fdch skl\u00e1p\u011b\u010d\u016f s antikorozn\u00ed \u00fapravou sk\u0159\u00edn\u011b pro n\u00e1mo\u0159n\u00ed \u00fa\u010dely, chemicky odoln\u00fdmi t\u011bsn\u011bn\u00edmi FKM a nerezov\u00fdmi spojovac\u00edmi prvky pro aplikace na skl\u00e1dk\u00e1ch, rekultivaci a pob\u0159e\u017e\u00ed. Specifikace ochrany proti korozi prodlu\u017euje \u017eivotnost sk\u0159\u00edn\u011b o 40 % na 60% ve srovn\u00e1n\u00ed se standardn\u00ed povrchovou \u00fapravou v agresivn\u00edm prost\u0159ed\u00ed. Pro doporu\u010den\u00ed materi\u00e1l\u016f specifick\u00fdch pro dan\u00e9 prost\u0159ed\u00ed uve\u010fte popis provozn\u00edho prost\u0159ed\u00ed (skl\u00e1dka, rekultivace slan\u00e9 vody, chemick\u00fd are\u00e1l).<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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Pohony p\u00e1sov\u00fdch skl\u00e1p\u011b\u010d\u016f \u2013 navr\u017eeny pro u\u017eite\u010dn\u00e9 zat\u00ed\u017een\u00ed, ter\u00e9n a korozivn\u00ed ter\u00e9n<\/div>\n

Spole\u010dnost Korea Ever-Power dod\u00e1v\u00e1 planetov\u00e9 p\u0159evodovky s pohonem p\u00e1s\u016f pro p\u00e1sov\u00e9 dampry od 10 000 do 80 000 Nm \u2013 od 6tunov\u00fdch stavebn\u00edch dampr\u016f a\u017e po 30tunov\u00e9 kloubov\u00e9 p\u00e1sov\u00e9 nosi\u010de. Pro skl\u00e1dkov\u00e1n\u00ed a rekultivaci jsou k dispozici varianty s ochranou proti korozi. Pro doporu\u010den\u00ed specifikace uve\u010fte model va\u0161eho stroje a staveni\u0161t\u011b.<\/p>\n<\/div>\n

Zobrazit sortiment pohonu p\u00e1s\u016f \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":"

Application Engineering Tracked Dump Trucks Track Drive Planetary Gearbox for Dump Trucks \u2014 Full Payload, Steep Grade, Soft Ground A wheeled articulated dump truck at full payload on a 15% grade in wet clay? Spinning tyres and zero progress. The same payload on the same grade with a tracked dump truck: steady 6 km\/h uphill, […]<\/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-1039","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\/1039","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=1039"}],"version-history":[{"count":2,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1039\/revisions"}],"predecessor-version":[{"id":1044,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/posts\/1039\/revisions\/1044"}],"wp:attachment":[{"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/media?parent=1039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/categories?post=1039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planetary-gearboxes.com\/cs\/wp-json\/wp\/v2\/tags?post=1039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}