{"id":4589,"date":"2014-07-20T10:00:50","date_gmt":"2014-07-20T10:00:50","guid":{"rendered":"http:\/\/www.rc-tabor.com\/wordpress\/?p=4589"},"modified":"2014-07-17T12:07:53","modified_gmt":"2014-07-17T12:07:53","slug":"maturitni-prace-jan-brich-podruhe","status":"publish","type":"post","link":"https:\/\/www.rc-tabor.com\/wordpress\/?p=4589","title":{"rendered":"Maturitn\u00ed pr\u00e1ce \u2013 Jan Brich podruh\u00e9.."},"content":{"rendered":"

\"Honza<\/p>\n

Dal\u0161\u00ed d\u00edl odpru\u017een\u00ed a tlumen\u00ed\u00a0..<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

<\/p>\n

3. Odpru\u017een\u00ed a tlumen\u00ed n\u00e1pravy<\/h2>\n

Jedn\u00e1 se o pru\u017en\u00e9 spojen\u00ed mezi podvozkem a karoseri\u00ed. Sni\u017euje nam\u00e1h\u00e1n\u00ed karoserie, podvozkov\u00fdch sou\u010d\u00e1st\u00ed, zvy\u0161uje j\u00edzdn\u00ed komfort a stabilitu podvozku. V\u00a0dne\u0161n\u00ed dob\u011b se nej\u010dast\u011bji pou\u017e\u00edvaj\u00ed vinut\u00e9 pru\u017einy. Listov\u00e9 pru\u017einy ji\u017e do\u017e\u00edvaj\u00ed a nejv\u00edce nach\u00e1zej\u00ed uplatn\u011bn\u00ed u n\u00e1kladn\u00edch automobil\u016f, kde nejsou tak velk\u00e9 n\u00e1roky na komfort j\u00edzdy, ale p\u0159edev\u0161\u00edm na jednoduchost a \u017eivotnost. Samotn\u00e9 odpru\u017een\u00ed by automobil nedok\u00e1zalo komfortn\u011b odladit, a proto se montuje p\u0159\u00eddavn\u00fd tlumi\u010d, kter\u00fd tlum\u00ed kmit\u00e1n\u00ed pru\u017einy.<\/p>\n\n\n\n
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\"obr.13\"Obr.13 [2]<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n1. P\u0159edn\u00ed olejov\u00fd tlumi\u010d s\u00a0vinutou pru\u017einou<\/strong>2. Zadn\u00ed olejov\u00fd tlumi\u010d s\u00a0vinutou pru\u017einou<\/strong>3. Zadn\u00ed torzn\u00ed n\u00e1prava<\/strong>4. P\u0159edn\u00ed nez\u00e1visl\u00e1 n\u00e1prava<\/strong>5. P\u0159edn\u00ed n\u00e1boj s\u00a0kotou\u010dovou brzdou<\/strong><\/p>\n

 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

V\u00a050. letech se ka\u017ed\u00e1 automobilka sna\u017eila vyrobit co nejlep\u0161\u00ed odpru\u017een\u00ed, kter\u00e9 by je \u0159adilo do pop\u0159ed\u00ed trhu. Mezi n\u011b lze za\u0159adit p\u00e9rov\u00e1n\u00ed s\u00a0torzn\u011b zkrutn\u00fdmi ty\u010demi, kter\u00e9 na\u0161lo uplatn\u011bn\u00ed ve francouzsk\u00fdch vozech (Peugeot 205). Zna\u010dka Audi vyu\u017e\u00edvala p\u00e9rov\u00e1n\u00ed pneumatick\u00e9. Citroen vyrukoval s hydropneumatick\u00fdm p\u00e9rov\u00e1n\u00edm, kter\u00e9 dok\u00e1zalo snadno m\u011bnit sv\u011btlou v\u00fd\u0161ku.<\/p>\n

3.1 Odpru\u017een\u00ed<\/h4>\n

Odpru\u017een\u00edm se zmen\u0161uj\u00ed kmitav\u00e9 (vibra\u010dn\u00ed) pohyby n\u00e1prav vozidla na jeho karoserii a podvozkov\u00e9 komponenty. Chr\u00e1n\u00ed pos\u00e1dku p\u0159ed v\u011bt\u0161\u00edmi ot\u0159esy, r\u00e1zy a p\u0159isp\u00edv\u00e1 komfortu j\u00edzdy. Odpru\u017een\u00ed zvy\u0161uje odolnosti podvozkov\u00fdch d\u00edl\u016f. Hlavn\u00edm \u00fakolem je udr\u017een\u00ed st\u00e1l\u00e9ho styku pneumatiky s\u00a0vozovkou p\u0159i p\u0159ej\u00ed\u017ed\u011bn\u00ed nerovnost\u00ed, ale i ne\u010dekan\u00fdch v\u00fdhybn\u00fdch man\u00e9vrech. P\u0159i ztr\u00e1t\u011b kontaktu pneumatiky s\u00a0vozovkou m\u016f\u017ee doch\u00e1zet k\u00a0nep\u0159\u00edzniv\u00e9mu fungov\u00e1n\u00ed vozidla. Samotn\u00e9 p\u00e9rov\u00e1n\u00ed by nem\u011blo tak p\u0159\u00edzniv\u00fd vliv na j\u00edzdn\u00ed vlastnosti jako za pou\u017eit\u00ed p\u0159\u00eddavn\u00e9ho tlumi\u010de. P\u0159\u00eddavn\u00fd tlumi\u010d k pru\u017ein\u011b zaji\u0161\u0165uje tlumen\u00ed kmit\u00e1n\u00ed. Samotn\u00e1 pru\u017eina by (teoreticky) kmitala nekone\u010dn\u011b dlouho, co\u017e by jist\u011b nep\u0159isp\u011blo k dobr\u00fdm j\u00edzdn\u00edm vlastnostem, proto p\u0159id\u00e1v\u00e1me tlumi\u010d.<\/p>\n

3.2 Torzn\u00ed ty\u010d<\/h4>\n

Jedn\u00e1 se o jednoduch\u00e9 v\u00e1lcov\u00e9 pru\u017einy s\u00a0ide\u00e1ln\u00ed line\u00e1rn\u00ed charakteristikou. V\u00a0praxi je jedna strana ty\u010de pevn\u011b spojena s\u00a0karoseri\u00ed a druh\u00fd konec krout\u00ed zav\u011b\u0161en\u00edm kola. \u010c\u00edm v\u00edc je kolo nam\u00e1h\u00e1no t\u00edm v\u00edc se torzn\u00ed ty\u010d br\u00e1n\u00ed zkrutu a vrac\u00ed kolo do sv\u00e9 polohy. V\u00a0automobilu jsou um\u00edst\u011bny horizont\u00e1ln\u011b a nezasahuj\u00ed do podvozku jako nap\u0159\u00edklad vinut\u00e9 pru\u017einy. Jejich v\u00fdhodou je po\u0159izovac\u00ed cena a vysok\u00e1 spolehlivost.<\/p>\n\n\n\n
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\"obr.14\"Obr.14 Zadn\u00ed n\u00e1prava Peugeot 106 <\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n1. Bubnov\u00e1 brzda n\u00e1pravy<\/strong>2. Torzn\u00ed ty\u010d<\/strong> <\/p>\n

 <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3.3 Listov\u00e9 pru\u017einy<\/h4>\n

Pat\u0159\u00ed mezi nejstar\u0161\u00ed st\u00e1le pou\u017e\u00edvan\u00e9 pru\u017einy. P\u0159ed stovkami let se pou\u017e\u00edvaly ji\u017e na ko\u010d\u00e1rech. V\u00a010. \u2013 60. letech 20. stolet\u00ed byla hojn\u011b pou\u017e\u00edvan\u00e1 i u osobn\u00edch automobil\u016f, nyn\u00ed je najdeme p\u0159edev\u0161\u00edm u n\u00e1kladn\u00edch automobil\u016f, offroad\u016f (ter\u00e9nn\u00ed automobil) a vagon\u016f. Jejich hlavn\u00ed p\u0159ednost\u00ed je n\u00edzk\u00e1 cena, jednoduchost a dlouh\u00e1 v\u00fddr\u017e. Bohu\u017eel lehk\u00fdm automobil\u016fm tyto pru\u017einy nedok\u00e1zaly d\u00e1t takov\u00fd komfort jako vinut\u00e9, p\u0159edev\u0161\u00edm kv\u016fli vysok\u00e9 v\u00e1ze a \u0161patn\u00fdm j\u00edzdn\u00edm vlastnostem.<\/p>\n\n\n\n
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\"obr.15\"Obr.15 Zadn\u00ed tuh\u00e1 n\u00e1prava Opel Combo 2000 [3]<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n1. Listov\u00e1 pru\u017eina<\/strong>2. Tlumi\u010d<\/strong>3. Pneumatika s\u00a0n\u00e1bojem<\/strong>4. Karoserie<\/strong><\/p>\n

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3.4 Vinut\u00e9 pru\u017einy<\/h4>\n

Pro laika jde jednodu\u0161e \u0159e\u010deno o sto\u010den\u00fd dr\u00e1t. Tuhost dan\u00e9 pru\u017einy z\u00e1vis\u00ed na materi\u00e1lu, d\u00e9lce pru\u017einy (po\u010det z\u00e1vit\u016f) a pr\u016fm\u011bru (stoup\u00e1n\u00ed). Zm\u011bnou stoup\u00e1n\u00ed pru\u017einy lze dos\u00e1hnout rozd\u00edln\u00e9 progresivity. Mezi nev\u00fdhody t\u011bchto pru\u017ein pat\u0159\u00ed p\u0159edev\u0161\u00edm k\u0159ehkost a choulostivost. V\u00a0ulo\u017een\u00ed n\u00e1pravy je obt\u00ed\u017en\u00e9 je zajistit proti vybo\u010den\u00ed z\u00a0dan\u00e9 osy, p\u0159edev\u0161\u00edm pod zat\u00ed\u017een\u00edm. Do automobil\u016f se montuj\u00ed obvykle vertik\u00e1ln\u011b, proto jejich ulo\u017een\u00ed zasahuje do\u00a0motorov\u00e9ho prostoru a kufru, kde zmen\u0161uje n\u00e1kladov\u00fd prostor.<\/p>\n

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\"obr.16\"Obr.16 Zadn\u00ed tuh\u00e1 n\u00e1prava Opel Record E [3]<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n1. Vinut\u00e1 Pru\u017eina<\/strong>2. Tlumi\u010d<\/strong>3. N\u00e1boj s\u00a0pohonnou h\u0159\u00eddel\u00ed<\/strong>4. Rozvodov\u00e1 h\u0159\u00eddel<\/strong> <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

3.5 Vzduchov\u00e9 odpru\u017een\u00ed<\/h4>\n

Jedn\u00e1 se o \u0159e\u0161en\u00ed, kter\u00e9 vzniklo ke konci 50. let.Ji\u017e na ko\u010d\u00e1rech se pou\u017e\u00edvaly ko\u017een\u00e9 m\u011bchy se vzduchem. Velk\u00e9 expanzi br\u00e1n\u00ed dlouh\u00e9 tlakov\u00e9 veden\u00ed s\u00a0kompresorem a velikost\u00ed m\u011bch\u016f. Tyto m\u011bchy byly pod n\u00e1porem okoln\u00edch vliv\u016f siln\u011b nam\u00e1h\u00e1ny a p\u0159edev\u0161\u00edm nep\u0159\u00edzniv\u00e9po\u010das\u00ed je velmi rychle ni\u010dilo. Odpru\u017een\u00ed um\u00ed velmi dob\u0159e tlumit nerovnosti a z\u00e1rove\u0148 je obt\u00ed\u017en\u00e9 jej stla\u010dit a\u017e na doraz. I d\u00edky t\u011bmto slu\u0161n\u00fdm vlastnostem jej pou\u017e\u00edval Mercedes. Nyn\u00ed nach\u00e1z\u00ed uplatn\u011bn\u00ed nej\u010dast\u011bji u n\u00e1kladn\u00edch automobil\u016f a autobus\u016f, ale i u obytn\u00fdch voz\u016f kde zvy\u0161uje komfort j\u00edzdy a pohodl\u00ed p\u0159i kempov\u00e1n\u00ed. Nespornou v\u00fdhodou je mo\u017enost regulov\u00e1n\u00ed sv\u011btl\u00e9 v\u00fd\u0161ky v\u00a0p\u0159\u00edpad\u011b nerovnom\u011brn\u00e9ho rozlo\u017een\u00ed v\u00e1hy vozu.<\/p>\n

\"obr.17\"<\/p>\n

Obr.17 Vzduchov\u00e9 odpru\u017een\u00ed n\u00e1kladn\u00edho vozu [4]<\/strong><\/p>\n

4. Tlumen\u00ed<\/h2>\n

Hlavn\u00edm c\u00edlem tlumi\u010d\u016f je zaji\u0161t\u011bn\u00ed vysok\u00e9 bezpe\u010dnosti j\u00edzdy a zv\u00fd\u0161en\u00ed j\u00edzdn\u00edho komfortu. Tlumi\u010de mus\u00ed tlumit r\u00e1zy, kter\u00e9 vznikaj\u00ed od nerovnost\u00ed vozovky. Zabra\u0148uj\u00ed \u00fapln\u00e9mu dosednut\u00ed do dorazu a t\u00edm zlep\u0161uj\u00ed pohodl\u00ed pos\u00e1dky. Mus\u00ed zajistit co nejmen\u0161\u00ed kmit\u00e1n\u00ed neodpru\u017een\u00fdch \u010d\u00e1st\u00ed, jeliko\u017e d\u00edky t\u011bmto aspekt\u016fm je zaji\u0161t\u011bn st\u00e1l\u00fd styk kol s\u00a0vozovkou (v\u00a0b\u011b\u017en\u00e9m j\u00edzdn\u00edm re\u017eimu). Z\u00a0toho n\u00e1m vypl\u00fdv\u00e1, \u017ee n\u00e1m tato soustava tlum\u00ed n\u00e1razy a kmit\u00e1n\u00ed. V\u00a0sou\u010dasn\u00e9 dob\u011b se nej\u010dast\u011bji pou\u017e\u00edvaj\u00ed teleskopick\u00e9 tlumi\u010de rozd\u011blen\u00e9 do dvou skupin.<\/p>\n

4.1 Dvoupl\u00e1\u0161\u0165ov\u00e9 tlumi\u010de<\/h4>\n

Skl\u00e1daj\u00ed se z\u00a0vn\u011bj\u0161\u00edho a vnit\u0159n\u00edho pl\u00e1\u0161t\u011b, z\u00e1sobn\u00edku, v\u00e1lce, p\u00edstu s\u00a0p\u00edstnic\u00ed, spodn\u00edho ventilu a v\u00a0neposledn\u00ed \u0159ad\u011b horn\u00edch a doln\u00edch \u00fachyt\u016f. Tlum\u00edc\u00ed \u00fa\u010dinek vznik\u00e1 pohybem p\u00edstu uvnit\u0159 t\u011bla tlumi\u010de. Stla\u010dov\u00e1n\u00edm p\u00edstu ve v\u00e1lci doch\u00e1z\u00ed k prot\u00e9k\u00e1n\u00ed oleje skrz otvory v\u00a0p\u00edstu sm\u011brem nahoru. Ve stejn\u00fd moment je protla\u010dov\u00e1no spodn\u00edm ventilem ur\u010dit\u00e9 mno\u017estv\u00ed do z\u00e1sobn\u00edku, kter\u00fd b\u00fdv\u00e1 napln\u011bn zpravidla vzduchem. Ke zdvihu p\u00edstu doch\u00e1z\u00ed opa\u010dn\u00fdm postupem. Doch\u00e1z\u00ed ke stla\u010dov\u00e1n\u00ed oleje nad p\u00edstem a n\u00e1sledn\u00e9mu prot\u00e9k\u00e1n\u00ed skrz otvory p\u00edstu dol\u016f. Odpor, kter\u00fd vznik\u00e1 mezi p\u00edstem a olejem, zaji\u0161\u0165uje funkci tlumen\u00ed. D\u016fle\u017eit\u00fdm faktorem je hustota oleje- \u010d\u00edm je olej hust\u0161\u00ed, t\u00edm obt\u00ed\u017en\u011bji se pohybuje skrze p\u00edst a tlumi\u010d pracuje pomaleji.<\/p>\n\n\n\n
1. Plynov\u00fd pol\u0161t\u00e1\u0159<\/strong>2. Pracovn\u00ed p\u00edst<\/strong>3. Vyrovn\u00e1vac\u00ed prostor<\/strong>4. Spodn\u00ed ventil<\/strong>5. Horn\u00ed uchycen\u00ed<\/strong><\/p>\n

6. Pl\u00e1\u0161\u0165 tlumi\u010de<\/strong><\/p>\n

\u00a0<\/strong>\"obr.18\"<\/strong><\/p>\n

Obr.18[5]<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

4.2 Jednopl\u00e1\u0161\u0165ov\u00e9 tlumi\u010de<\/h4>\n

Skl\u00e1daj\u00ed se z\u00a0v\u00e1lce, p\u00edstu a d\u011bl\u00edc\u00edho p\u00edstu. D\u011bl\u00edc\u00ed p\u00edst odd\u011bluje plyn a olej. Hlavn\u00edm rozd\u00edlem je absence z\u00e1sobn\u00edku, je\u017e dvoupl\u00e1\u0161\u0165ov\u00e9 tlumi\u010de maj\u00ed. P\u0159i stla\u010den\u00ed p\u00edstu doch\u00e1z\u00ed sou\u010dasn\u011b ke stla\u010dov\u00e1n\u00ed d\u011bl\u00edc\u00edho p\u00edstu a k\u00a0n\u00e1sledn\u00e9mu n\u00e1rustutlaku v\u00a0obou komor\u00e1ch. V\u00a0olejov\u00e9 komo\u0159e se skrze p\u00edstn\u00ed ventil protla\u010duje olej, um\u00edst\u011bn\u00fd v\u00a0horn\u00ed \u010d\u00e1sti p\u00edstu. Plynov\u00e1 spodn\u00ed komora slou\u017e\u00ed k\u00a0vyrovn\u00e1n\u00ed tlak\u016f, kter\u00e9 vznikaj\u00ed nap\u0159\u00edklad oh\u0159evem oleje v\u00a0horn\u00ed komo\u0159e. P\u0159i zdvihu doch\u00e1z\u00ed ke stla\u010den\u00ed oleje, kter\u00fd prot\u00e9k\u00e1 skrze ventily a t\u00edm doch\u00e1z\u00ed k\u00a0funkci tlumen\u00ed. Tvrdost tlumen\u00ed z\u00e1le\u017e\u00ed na pou\u017eit\u00e9m oleji a po\u010dtu d\u011br v p\u00edstn\u00edm ventilu.<\/p>\n\n\n\n
1. Horn\u00ed uchycen\u00ed tlumi\u010de<\/strong>2. Pracovn\u00ed p\u00edst<\/strong>3. D\u011bl\u00edc\u00ed p\u00edst<\/strong>4. Plynov\u00fd pol\u0161t\u00e1\u0159<\/strong>5. Prostor s\u00a0<\/strong>olejem<\/strong><\/p>\n

\u00a0\"obr.19\"<\/strong><\/p>\n

Obr.19[5]<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

5. Tlumi\u010de u model\u016f 1:10<\/h2>\n

Tlumi\u010de u model\u016f pat\u0159\u00ed k\u00a0nejd\u016fle\u017eit\u011bj\u0161\u00edm sou\u010d\u00e1stem cel\u00e9ho podvozku. Na modelech se uplat\u0148uj\u00ed nej\u010dast\u011bji olejov\u00e9 tlumi\u010de s\u00a0vinut\u00fdmi pru\u017einami. U hobby model\u016f \u010di z\u00e1kladn\u00edch stavebnic se dod\u00e1vaj\u00ed t\u0159ec\u00ed tlumi\u010de, kter\u00e9 bohu\u017eel nedok\u00e1\u017eou p\u0159en\u00e1\u0161et takov\u00e9 vlastnosti jako olejov\u00e9. Pro spr\u00e1vnou funkci mus\u00ed b\u00fdt tlumi\u010de v\u00a0dobr\u00e9m technick\u00e9m stavu, jedin\u011b tak budou schopn\u00e9 plnit spr\u00e1vn\u011b svoji funkci<\/p>\n\n\n\n
\"obr.21\"<\/p>\n

Obr.20 [6]<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Olejov\u00fd tlumi\u010d se skl\u00e1d\u00e1 z t\u011bchto sou\u010d\u00e1st\u00ed: t\u011blo tlumi\u010de, p\u00edstn\u00ed ty\u010d, p\u00edst, pru\u017eina, oka k\u00a0uchycen\u00ed.<\/p>\n

1. T\u011blo- v\u00e1lec tlumi\u010de<\/strong><\/p>\n

2. P\u00edstn\u00ed ty\u010d<\/strong><\/p>\n

3. P\u00edst<\/strong><\/p>\n

4. Spodn\u00ed miska pro aretaci pru\u017einy<\/strong><\/p>\n

5. Horn\u00ed uchycen\u00ed k\u00a0podvozku<\/strong><\/p>\n

6. Spodn\u00ed uchycen\u00ed k\u00a0n\u00e1prav\u011b <\/strong><\/p>\n\n\n\n
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\"obr.20\"Obr.21 [7]<\/strong><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

T\u011blo tlumi\u010de je na horn\u00edm konci opat\u0159eno okem k uchycen\u00ed na karoserii modelu. Na t\u011ble tlumi\u010de je z\u00e1vit a matice, kter\u00e1 slou\u017e\u00ed k\u00a0nastaven\u00ed p\u0159edp\u011bt\u00ed pru\u017einy, vedlej\u0161\u00edm efektem je zm\u011bna sv\u011btl\u00e9 v\u00fd\u0161ky. V\u017edy by m\u011blo platit, \u017ee tlumi\u010de na stejn\u00e9 n\u00e1prav\u011b by m\u011bly m\u00edt stejn\u011b nastaven\u00e9 p\u0159edp\u011bt\u00ed. T\u011blo tlumi\u010de je uprost\u0159ed opat\u0159eno otvorem pro p\u00edstn\u00ed ty\u010d. Otvor m\u00e1 na vnit\u0159n\u00edm a vn\u011bj\u0161\u00edm kraji dva O-krou\u017eky pro ut\u011bsn\u011bn\u00ed \u00faniku oleje a vniku okoln\u00edch ne\u010distot. P\u00edstn\u00ed ty\u010d vyroben\u00e1 z\u00a0oceli je opat\u0159ena nej\u010dast\u011bji na jedn\u00e9 stran\u011b z\u00e1vitem pro upevn\u011bn\u00ed k\u00a0podvozku a na druh\u00e9 stran\u011b p\u00edstem se z\u00e1vla\u010dkami pro aretaci. P\u00edst je opat\u0159en n\u011bkolika otvory pro pr\u016ftok oleje. Podle hustoty oleje, po\u010dtu d\u011br a typu pru\u017einy ur\u010duje charakter tlumen\u00ed. Pro spr\u00e1vnou funkci mus\u00ed b\u00fdt tlumi\u010d spr\u00e1vn\u011b napln\u011bn. V\u00e1lec tlumi\u010de nejprve napln\u00edme po horn\u00ed okraj, pot\u00e9 n\u011bkolikr\u00e1t projedeme v\u00e1lec p\u00edstn\u00ed ty\u010d\u00ed, abychom zpod p\u00edstu uvolnili vzduch. N\u011bkolik minut vy\u010dk\u00e1me, ne\u017e vyprchaj\u00ed v\u0161echny bublinky a na v\u00e1lec tlumi\u010de d\u00e1me gumovou z\u00e1tku. Na z\u00e1v\u011br d\u00e1me na v\u00e1lec \u010depi\u010dku s\u00a0d\u00edrou pro uchycen\u00ed k\u00a0n\u00e1prav\u011b. P\u0159i mont\u00e1\u017ei tlumi\u010de na podvozek db\u00e1me na to, aby byl tlumi\u010d uchycen pevn\u011b a bez velk\u00fdch v\u016fl\u00ed, ale p\u0159i tom pohybliv\u011b. Pevn\u00e9, nepohybliv\u00e9 uchycen\u00ed by znemo\u017enilo pohyb tlumi\u010de p\u0159i propru\u017een\u00ed (pohybu) ramene a poloosy v pr\u016fb\u011bhu j\u00edzdy. Mohlo by doj\u00edt ke \u0161patn\u00e9mu fungov\u00e1n\u00ed t\u00e9to \u010d\u00e1sti.<\/p>\n\n\n\n
\u00a0\"obr.22\"<\/strong><\/td>\n1. Horn\u00ed uchycen\u00ed tlumi\u010de<\/strong>2. Doln\u00ed uchycen\u00ed tlumi\u010de<\/strong>3. Vinut\u00e1 p\u0159\u00edroda<\/strong>4. Matice na \u0161telov\u00e1n\u00ed p\u0159edp\u011bt\u00ed<\/strong>\u00a0<\/strong><\/p>\n

Obr.22<\/strong><\/p>\n

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Pru\u017eina a ani jej\u00ed ulo\u017een\u00ed na tlumi\u010di t\u00e9m\u011b\u0159 nepodl\u00e9h\u00e1 opot\u0159eben\u00ed. V\u00a0p\u0159\u00edpad\u011b, \u017ee dojde k\u00a0zne\u010di\u0161t\u011bn\u00ed, sta\u010d\u00ed ji um\u00fdt \u010di jin\u00fdm p\u0159\u00edpravkem o\u010distit. V\u011bt\u0161\u00ed pozornost je pot\u0159eba v\u011bnovat matici k p\u0159edp\u011bt\u00ed pru\u017ein a hlavn\u011b jemn\u00e9mu z\u00e1vitu na t\u011ble tlumi\u010de. P\u0159itahov\u00e1n\u00edm nebo naopak povolov\u00e1n\u00edm ovliv\u0148ujeme pouze postaven\u00ed n\u00e1pravy, tzv. sv\u011btlou v\u00fd\u0161ku a p\u0159edp\u011bt\u00ed pru\u017einy. Nem\u011bn\u00ed se t\u00edm tedy tuhost pru\u017ein, tu lze m\u011bnit pouze v\u00fdm\u011bnou pru\u017ein za siln\u011bj\u0161\u00ed nebo naopak za slab\u0161\u00ed. Tuhost\u00ed pru\u017ein se budeme v\u00edce zaob\u00edrat v\u00a0praktick\u00e9 \u010d\u00e1sti, kde jsem t\u0159i rozd\u00edln\u00e9 pru\u017einy testoval na modelu.<\/p>\n

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V\u00a0dal\u0161\u00edm \u010dl\u00e1nku se pod\u00edv\u00e1me na diferenci\u00e1ly…<\/p>\n","protected":false},"excerpt":{"rendered":"

Dal\u0161\u00ed d\u00edl odpru\u017een\u00ed a tlumen\u00ed\u00a0..      <\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4589","post","type-post","status-publish","format-standard","hentry","category-ostatni"],"_links":{"self":[{"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4589"}],"version-history":[{"count":0,"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/4589\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rc-tabor.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}