{"id":8518,"date":"2025-06-25T08:55:52","date_gmt":"2025-06-25T08:55:52","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=8518"},"modified":"2025-06-25T08:55:55","modified_gmt":"2025-06-25T08:55:55","slug":"reliable-crane-wheel-load-calculation","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/cs\/posts\/reliable-crane-wheel-load-calculation\/","title":{"rendered":"Chytr\u00fd a spolehliv\u00fd v\u00fdpo\u010det zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu: Zvy\u0161te bezpe\u010dnost, zvy\u0161te v\u00fdkon a z\u00edskejte klid"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>Obsah<\/p><nav><ul><li><a href=\"#calculation-of-crane-wheel-load-calculation\">V\u00fdpo\u010det zat\u00ed\u017een\u00ed je\u0159\u00e1bov\u00fdch kol\u00a0<\/a><\/li><li><a href=\"#crane-wheel-selection-and-verification\">V\u00fdb\u011br a ov\u011b\u0159en\u00ed je\u0159\u00e1bov\u00fdch kol\u00a0<\/a><ul><li><a href=\"#1-determination-of-fatigue-calculation-load-of-wheels\">1. Stanoven\u00ed \u00fanavov\u00e9ho v\u00fdpo\u010dtov\u00e9ho zat\u00ed\u017een\u00ed kol:\u00a0<\/a><\/li><li><a href=\"#2-wheel-tread-contact-strength-calculation\">2. V\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola:<\/a><ul><li><a href=\"#2-1-allowable-wheel-pressure-for-line-contact\">2.1 P\u0159\u00edpustn\u00fd tlak kola pro kontakt s dr\u00e1hou:<\/a><\/li><li><a href=\"#2-2-allowable-wheel-pressure-for-point-contact\">2.2 P\u0159\u00edpustn\u00fd tlak kola pro bodov\u00fd kontakt:<\/a><\/li><\/ul><\/li><\/ul><\/li><li><a href=\"#hidden-dangers-of-crane-wheels-not-meeting-the-standard\">Skryt\u00e1 nebezpe\u010d\u00ed je\u0159\u00e1bov\u00fdch kol, kter\u00e1 nespl\u0148uj\u00ed normu\u00a0<\/a><\/li><li><a href=\"#preventive-measures\">Preventivn\u00ed opat\u0159en\u00ed:<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>V\u00fdpo\u010det zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu je kl\u00ed\u010dov\u00fdm krokem v procesu n\u00e1vrhu a v\u00fdb\u011bru je\u0159\u00e1bu. P\u0159esn\u00fd v\u00fdpo\u010det zat\u00ed\u017een\u00ed nejen p\u0159\u00edmo ovliv\u0148uje bezpe\u010dnost a spolehlivost je\u0159\u00e1bu, ale tak\u00e9 souvis\u00ed s \u017eivotnost\u00ed za\u0159\u00edzen\u00ed a n\u00e1klady na \u00fadr\u017ebu. V praxi je zat\u00ed\u017een\u00ed kol generov\u00e1no kombinovan\u00fdm \u00fa\u010dinkem vlastn\u00ed hmotnosti je\u0159\u00e1bu, hmotnosti zdv\u00edhan\u00e9ho n\u00e1kladu, dynamick\u00e9ho zat\u00ed\u017een\u00ed a faktor\u016f prost\u0159ed\u00ed. Pro proveden\u00ed p\u0159esn\u00e9ho v\u00fdpo\u010dtu zat\u00ed\u017een\u00ed je proto nutn\u00e9 zohlednit konstruk\u010dn\u00ed tvar je\u0159\u00e1bu, pracovn\u00ed podm\u00ednky a provozn\u00ed re\u017eim a dal\u0161\u00ed faktory, aby se zajistilo, \u017ee kola mohou bezpe\u010dn\u011b a stabiln\u011b fungovat za r\u016fzn\u00fdch pracovn\u00edch podm\u00ednek.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"715\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Crane-Wheel-Load-Calculation.jpg\" alt=\"\" class=\"wp-image-8530\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"calculation-of-crane-wheel-load-calculation\">V\u00fdpo\u010det zat\u00ed\u017een\u00ed je\u0159\u00e1bov\u00fdch kol&nbsp;<\/h2>\n\n\n\n<p>Zat\u00ed\u017een\u00ed nesen\u00e9 koly je\u0159\u00e1bu nem\u00e1 nic spole\u010dn\u00e9ho se zat\u00ed\u017een\u00edm pohonn\u00e9ho syst\u00e9mu pojezdov\u00e9ho mechanismu a lze jej z\u00edskat p\u0159\u00edmo podle rovnov\u00e1\u017en\u00fdch podm\u00ednek vn\u011bj\u0161\u00edho zat\u00ed\u017een\u00ed je\u0159\u00e1bu. Zat\u00ed\u017een\u00ed kol mostov\u00e9ho je\u0159\u00e1bu zahrnuje maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kol a minim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kol. Maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kol mostov\u00e9ho je\u0159\u00e1bu je zat\u00ed\u017een\u00ed kola velk\u00e9ho kola, kdy\u017e je pln\u011b nalo\u017een\u00fd voz\u00edk bl\u00edzko mezn\u00ed polohy koncov\u00e9ho nosn\u00edku, a minim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kola je zat\u00ed\u017een\u00ed kola velk\u00e9ho kola velk\u00e9ho kola na jednom konci rozp\u011bt\u00ed, kdy\u017e je voz\u00edk odleh\u010den uprost\u0159ed rozp\u011bt\u00ed.<\/p>\n\n\n\n<p>Maxim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kola (p\u0159i pln\u00e9m zat\u00ed\u017een\u00ed) = (G-G1)\/n + (Q+G1)*(L-L1)\/n*L&nbsp;<\/p>\n\n\n\n<p>Minim\u00e1ln\u00ed zat\u00ed\u017een\u00ed kola (bez zat\u00ed\u017een\u00ed) = (G-G1)\/n + G1*L1\/n*L&nbsp;<\/p>\n\n\n\n<ul>\n<li>G = celkov\u00e1 hmotnost je\u0159\u00e1bu (v\u010detn\u011b voz\u00edku) (T)&nbsp;<\/li>\n\n\n\n<li>G1 = hmotnost voz\u00edku (T)&nbsp;<\/li>\n\n\n\n<li>Q = jmenovit\u00e1 nosnost (T)&nbsp;<\/li>\n\n\n\n<li>L = rozp\u011bt\u00ed v m&nbsp;<\/li>\n\n\n\n<li>n = po\u010det kol na je\u0159\u00e1bu&nbsp;<\/li>\n\n\n\n<li>L1 = minim\u00e1ln\u00ed vzd\u00e1lenost (v T) od st\u0159edov\u00e9 osy h\u00e1ku k st\u0159edov\u00e9 ose nosn\u00edku. Minim\u00e1ln\u00ed vzd\u00e1lenost od st\u0159edov\u00e9 osy h\u00e1ku k st\u0159edov\u00e9 ose koncov\u00e9ho nosn\u00edku (m)&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"crane-wheel-selection-and-verification\">V\u00fdb\u011br a ov\u011b\u0159en\u00ed je\u0159\u00e1bov\u00fdch kol&nbsp;<\/h2>\n\n\n\n<p>Jak vybrat kola podle zat\u00ed\u017een\u00ed je\u0159\u00e1bu a jak ov\u011b\u0159it, zda kola unesou&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-determination-of-fatigue-calculation-load-of-wheels\">1. Stanoven\u00ed \u00fanavov\u00e9ho v\u00fdpo\u010dtov\u00e9ho zat\u00ed\u017een\u00ed kol:&nbsp;<\/h3>\n\n\n\n<p>V\u00fdpo\u010det \u00fanavov\u00e9ho zat\u00ed\u017een\u00ed kol PC lze ur\u010dit maxim\u00e1ln\u00edm a minim\u00e1ln\u00edm tlakem je\u0159\u00e1bu na kolo a vzorec pro v\u00fdpo\u010det PC je n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/1Determination-of-fatigue-calculation-load-of-wheels.png\" alt=\"\" class=\"wp-image-8519\"\/><\/figure>\n\n\n\n<ul>\n<li>PC \u2014 zat\u00ed\u017een\u00ed p\u0159i v\u00fdpo\u010dtu \u00fanavy kola (N);&nbsp;<\/li>\n\n\n\n<li>P<sub>max<\/sub> \u2014 maxim\u00e1ln\u00ed tlak na kolo (N) p\u0159i norm\u00e1ln\u00edm provozu je\u0159\u00e1bu;&nbsp;<\/li>\n\n\n\n<li>P<sub>min<\/sub> \u2014 minim\u00e1ln\u00ed tlak na kolo (N) p\u0159i norm\u00e1ln\u00edm provozu je\u0159\u00e1bu;&nbsp;<\/li>\n\n\n\n<li>P\u0159i ur\u010dov\u00e1n\u00ed P<sub>max<\/sub> a P.<sub>min<\/sub>, sou\u010dinitele dynamick\u00e9ho zat\u00ed\u017een\u00ed a sou\u010dinitele n\u00e1razu zdvihac\u00edch a ovl\u00e1dac\u00edch mechanism\u016f se uva\u017euj\u00ed rovn\u00e9 1.&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>U mostov\u00e9ho je\u0159\u00e1bu, kdy\u017e je voz\u00edkov\u00fd je\u0159\u00e1b v j\u00edzd\u011b s jmenovit\u00fdm zat\u00ed\u017een\u00edm v koncov\u00e9 poloze na jedn\u00e9 stran\u011b, je tlak velk\u00e9ho kola pobl\u00ed\u017e strany voz\u00edku P<sub>max<\/sub>; tlak velk\u00e9ho kola na nezat\u00ed\u017een\u00e9 stran\u011b vzd\u00e1len\u00e9 od strany voz\u00edku je P<sub>min<\/sub>U mostov\u00e9ho je\u0159\u00e1bu, kdy\u017e jmenovit\u00e9 zat\u00ed\u017een\u00ed je\u0159\u00e1bov\u00e9 troleje dos\u00e1hne mezn\u00ed polohy na jedn\u00e9 stran\u011b, je tlak kola pobl\u00ed\u017e strany troleje P.<sub>max<\/sub>; tlak kola nezat\u00ed\u017een\u00e9ho sm\u011brem od boku voz\u00edku je P<sub>min<\/sub>U oto\u010dn\u00fdch je\u0159\u00e1b\u016f je tlak kola pod v\u00fdlo\u017en\u00edkem p\u0159i maxim\u00e1ln\u00ed amplitud\u011b pln\u00e9ho zat\u00ed\u017een\u00ed P<sub>max<\/sub>a tlak kola pod v\u00fdlo\u017en\u00edkem s minim\u00e1ln\u00ed amplitudou kmit\u00e1n\u00ed bez zat\u00ed\u017een\u00ed je P<sub>min<\/sub>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-wheel-tread-contact-strength-calculation\">2. V\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-1-allowable-wheel-pressure-for-line-contact\">2.1 P\u0159\u00edpustn\u00fd tlak kola pro kontakt s dr\u00e1hou:<\/h4>\n\n\n\n<p><strong>P<sub>C<\/sub>\u2264K<sub>1<\/sub>\u00d7\u0160\u00d7D\u00d7C<sub>1<\/sub>\u00d7C<sub>2<\/sub><\/strong><\/p>\n\n\n\n<ul>\n<li>P<sub>C<\/sub> \u2014- v\u00fdpo\u010dtov\u00e9 zat\u00ed\u017een\u00ed \u00fanavy kola (N);&nbsp;<\/li>\n\n\n\n<li>K<sub>1<\/sub> \u2014\u2013 p\u0159\u00edpustn\u00e1 konstanta liniov\u00e9ho kontaktn\u00edho nap\u011bt\u00ed (N\/mm2) vzta\u017een\u00e1 k materi\u00e1lu, zvolen\u00e1 dle tabulky 1;&nbsp;<\/li>\n\n\n\n<li>D \u2014\u2013 pr\u016fm\u011br kola (mm);&nbsp;<\/li>\n\n\n\n<li>L\u2014\u2014 efektivn\u00ed kontaktn\u00ed d\u00e9lka kola a p\u00e1su;&nbsp;<\/li>\n\n\n\n<li>C<sub>1<\/sub>\u2014\u2013 sou\u010dinitel rychlosti, zvolen\u00fd dle tabulky 2;&nbsp;<\/li>\n\n\n\n<li>C<sub>2<\/sub>\u2014\u2013 sou\u010dinitel pracovn\u00ed hladiny, zvolen\u00fd dle tabulky 3;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1678\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg\" alt=\"\" class=\"wp-image-8522\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg 2560w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-1536x1007.jpg 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-2048x1342.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>P\u0159ehled v\u00fdpo\u010dtov\u00fdch faktor\u016f (tabulka 1):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u03c3<sub>b<\/sub><\/th><th>K<sub>1<\/sub><\/th><th>K<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>500<\/td><td>3.8<\/td><td>0.053<\/td><\/tr><tr><td>600<\/td><td>5.6<\/td><td>0.1<\/td><\/tr><tr><td>650<\/td><td>6.0<\/td><td>0.132<\/td><\/tr><tr><td>700<\/td><td>6.8<\/td><td>0.181<\/td><\/tr><tr><td>800<\/td><td>7.2<\/td><td>0.245<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka koeficient\u016f pro v\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola 1<\/figcaption><\/figure>\n\n\n\n<p><em>Pozn\u00e1mky:<\/em><\/p>\n\n\n\n<p><em>1. \u03c3<\/em><em><sub>b <\/sub><\/em><em>je pevnost materi\u00e1lu v tahu (N\/mm<\/em><em><sup>2<\/sup><\/em><em>);<\/em><\/p>\n\n\n\n<p><em>2. Ocelov\u00e1 kola by m\u011bla b\u00fdt obecn\u011b tepeln\u011b zpracov\u00e1na, doporu\u010den\u00e1 tvrdost dez\u00e9nu je HB = 300 ~ 380 a hloubka kalic\u00ed vrstvy je 15 mm ~ 20 mm. P\u0159i ur\u010dov\u00e1n\u00ed povolen\u00e9 hodnoty \u03c3<\/em><em><sub>b<\/sub><\/em><em> se odeb\u00edr\u00e1, kdy\u017e materi\u00e1l nen\u00ed tepeln\u011b zpracov\u00e1n;<\/em><\/p>\n\n\n\n<p><em>3. Kdy\u017e materi\u00e1l kola p\u0159ij\u00edm\u00e1 tv\u00e1rnou litinu; \u03c3<sub>b<\/sub>\u2265500N\/mm<sup>2<\/sup> materi\u00e1l, K<sub>1<\/sub>, <em>K<sub>2<\/sub><\/em> hodnota se vol\u00ed podle \u03c3<sub>b<\/sub>= 500 N\/mm<sup>2<\/sup>.<\/em><\/p>\n\n\n\n<p>P\u0159ehled v\u00fdpo\u010dtov\u00fdch faktor\u016f (tabulka 2):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>RPM&nbsp;<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>RPM<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>RPM<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><\/tr><tr><td>min<sup>-1<\/sup><\/td><td>min<sup>-1<\/sup><\/td><td>min<sup>-1<\/sup><\/td><\/tr><tr><td>200<\/td><td>0.66<\/td><td>50<\/td><td>0.94<\/td><td>16<\/td><td>1.09<\/td><\/tr><tr><td>160<\/td><td>0.72<\/td><td>45<\/td><td>0.96<\/td><td>14<\/td><td>1.1<\/td><\/tr><tr><td>125<\/td><td>0.77<\/td><td>40<\/td><td>0.97<\/td><td>12.5<\/td><td>1.11<\/td><\/tr><tr><td>112<\/td><td>0.79<\/td><td>35.5<\/td><td>0.99<\/td><td>11.2<\/td><td>1.12<\/td><\/tr><tr><td>100<\/td><td>0.82<\/td><td>31.5<\/td><td>1.00<\/td><td>10<\/td><td>1.13<\/td><\/tr><tr><td>90<\/td><td>0.84<\/td><td>28<\/td><td>1.02<\/td><td>8<\/td><td>1.14<\/td><\/tr><tr><td>80<\/td><td>0.87<\/td><td>25<\/td><td>1.03<\/td><td>6.3<\/td><td>1.15<\/td><\/tr><tr><td>71<\/td><td>0.89<\/td><td>22.4<\/td><td>1.04<\/td><td>5.6<\/td><td>1.16<\/td><\/tr><tr><td>63<\/td><td>0.91<\/td><td>20<\/td><td>1.06<\/td><td>5<\/td><td>1.17<\/td><\/tr><tr><td>56<\/td><td>0.92<\/td><td>18<\/td><td>1.07<\/td><td>&nbsp;<\/td><td><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka koeficient\u016f pro v\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola 2<\/figcaption><\/figure>\n\n\n\n<p>P\u0159ehled v\u00fdpo\u010dtov\u00fdch faktor\u016f (tabulka 3):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Pracovn\u00ed \u00farove\u0148 provozn\u00ed organizace<\/th><th>C<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>M1~M3<\/td><td>1.25<\/td><\/tr><tr><td>M4<\/td><td>1.12<\/td><\/tr><tr><td>M5<\/td><td>1.00<\/td><\/tr><tr><td>M6<\/td><td>0.9<\/td><\/tr><tr><td>M7, M8<\/td><td>0.8<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka koeficient\u016f pro v\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola 3<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-2-allowable-wheel-pressure-for-point-contact\">2.2 P\u0159\u00edpustn\u00fd tlak kola pro bodov\u00fd kontakt:<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/3Allowable-wheel-pressure-for-point-contact.png\" alt=\"\" class=\"wp-image-8526\"\/><\/figure>\n\n\n\n<ul>\n<li>P<sub>C <\/sub>\u2014- v\u00fdpo\u010dtov\u00e9 zat\u00ed\u017een\u00ed \u00fanavy kola (N);&nbsp;<\/li>\n\n\n\n<li>K<sub>2 <\/sub>\u2014\u2013 p\u0159\u00edpustn\u00e1 konstanta bodov\u00e9ho kontaktn\u00edho nap\u011bt\u00ed souvisej\u00edc\u00ed s materi\u00e1lem (N\/mm2), zvolen\u00e1 dle tabulky 1;&nbsp;<\/li>\n\n\n\n<li>R \u2014\u2013 polom\u011br zak\u0159iven\u00ed, vezm\u011bte polom\u011br zak\u0159iven\u00ed kola a polom\u011br zak\u0159iven\u00ed koleje v\u011bt\u0161\u00ed hodnoty (mm);&nbsp;<\/li>\n\n\n\n<li>M \u2014\u2014 horn\u00edm povrchem koleje a polom\u011brem zak\u0159iven\u00ed kola pom\u011bru (r\/R) dle zvolen\u00e9 tabulky 4;&nbsp;<\/li>\n\n\n\n<li>C<sub>1 <\/sub>\u2014\u2013 Sou\u010dinitel rychlosti, zvolen\u00fd dle tabulky 3;&nbsp;<\/li>\n\n\n\n<li>C<sub>2 <\/sub>\u2014\u2013 sou\u010dinitel pracovn\u00ed hladiny, zvolen\u00fd dle tabulky 4;<\/li>\n<\/ul>\n\n\n\n<p>P\u0159ehled v\u00fdpo\u010dtov\u00fdch faktor\u016f (tabulka 4):<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>r\/R<\/td><td>1.0<\/td><td>0.9<\/td><td>0.8<\/td><td>0.7<\/td><td>0.6<\/td><td>0.5<\/td><td>0.4<\/td><td>0.3<\/td><\/tr><tr><td>m<\/td><td>0.388<\/td><td>0.400<\/td><td>0.420<\/td><td>0.440<\/td><td>0.468<\/td><td>0.490<\/td><td>0.536<\/td><td>0.600<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka koeficient\u016f pro v\u00fdpo\u010det kontaktn\u00ed pevnosti b\u011bhounu kola 4<\/figcaption><\/figure>\n\n\n\n<p><em>Pozn\u00e1mky:<\/em><\/p>\n\n\n\n<p><em>1. Hodnoty m se vypo\u010d\u00edt\u00e1vaj\u00ed interpolac\u00ed, kdy\u017e r\/R je n\u011bjak\u00e1 jin\u00e1 hodnota;<\/em><\/p>\n\n\n\n<p><em>2. r je mal\u00e1 hodnota polom\u011bru zak\u0159iven\u00ed kontaktn\u00ed plochy<\/em><\/p>\n\n\n\n<p>V\u00fd\u0161e uveden\u00e9 v\u00fdpo\u010dty lze pou\u017e\u00edt k ov\u011b\u0159en\u00ed kol s dan\u00fdmi pr\u016fm\u011bry, za \u00fa\u010delem stanoven\u00ed efektivn\u00ed maxim\u00e1ln\u00ed \u00fanosnosti kol a p\u0159im\u011b\u0159enosti rozm\u011br\u016f (pr\u016fm\u011br kol, rozm\u011bry kol a ulo\u017een\u00ed kolejnice atd.).<\/p>\n\n\n\n<p>Tabulka maxim\u00e1ln\u00edho p\u0159\u00edpustn\u00e9ho tlaku kol pro dvojkol\u00ed velk\u00fdch vozidel:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">Pr\u016fm\u011br kola\/mm<\/td><td rowspan=\"4\">Model kolejnice<\/td><td rowspan=\"4\">Pracovn\u00ed \u00farove\u0148<\/td><td colspan=\"9\">Rychlost j\u00edzdy\/(m\/min)<\/td><\/tr><tr><td colspan=\"9\">Ot\u00e1zky a odpov\u011bdi<\/td><\/tr><tr><td colspan=\"3\">&lt;60<\/td><td colspan=\"3\">60~90<\/td><td colspan=\"3\">&gt;90~180<\/td><\/tr><tr><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><\/tr><tr><td rowspan=\"8\">500<\/td><td rowspan=\"4\">P38<\/td><td>M1~M3<\/td><td>20.6<\/td><td>19.7<\/td><td>18<\/td><td>18.7<\/td><td>17.9<\/td><td>16.4<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M4, M5<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><td>15.6<\/td><td>15<\/td><td>13.7<\/td><td>14.4<\/td><td>13.7<\/td><td>12.5<\/td><\/tr><tr><td>M6, M7<\/td><td>14.7<\/td><td>14.1<\/td><td>12.9<\/td><td>13.4<\/td><td>12.8<\/td><td>11.7<\/td><td>12.3<\/td><td>11.7<\/td><td>10.7<\/td><\/tr><tr><td>M8<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><td>11.7<\/td><td>11.2<\/td><td>10.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.4<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>26<\/td><td>24.3<\/td><td>22.7<\/td><td>23.6<\/td><td>22.6<\/td><td>20.6<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><\/tr><tr><td>M4, M5<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><td>19.7<\/td><td>18.9<\/td><td>17.2<\/td><td>18.1<\/td><td>17.3<\/td><td>15.9<\/td><\/tr><tr><td>M6, M7<\/td><td>18.6<\/td><td>17.7<\/td><td>16.2<\/td><td>16.9<\/td><td>16.2<\/td><td>14.7<\/td><td>15.5<\/td><td>14.8<\/td><td>13.6<\/td><\/tr><tr><td>M8<\/td><td>16.3<\/td><td>15.5<\/td><td>14.2<\/td><td>14.8<\/td><td>14.1<\/td><td>12.9<\/td><td>13.6<\/td><td>12.9<\/td><td>11.6<\/td><\/tr><tr><td rowspan=\"8\">600<\/td><td rowspan=\"4\">P38P43<\/td><td>M1~M3<\/td><td>24.6<\/td><td>23.5<\/td><td>21.5<\/td><td>22.4<\/td><td>21.4<\/td><td>19.5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><\/tr><tr><td>M4, M5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><td>19.7<\/td><td>17.8<\/td><td>16.3<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M6, M7<\/td><td>17.6<\/td><td>16.8<\/td><td>15.4<\/td><td>16<\/td><td>15.3<\/td><td>14<\/td><td>14.7<\/td><td>14<\/td><td>12.9<\/td><\/tr><tr><td>M8<\/td><td>15.4<\/td><td>14.7<\/td><td>13.4<\/td><td>14<\/td><td>13.4<\/td><td>12.2<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>32<\/td><td>30.5<\/td><td>27.9<\/td><td>29.2<\/td><td>27.8<\/td><td>25.4<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><\/tr><tr><td>M4, M5<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><td>24.4<\/td><td>23.2<\/td><td>21.2<\/td><td>22.3<\/td><td>21.3<\/td><td>19.4<\/td><\/tr><tr><td>M6, M7<\/td><td>22.9<\/td><td>21.8<\/td><td>19.9<\/td><td>20.9<\/td><td>19.9<\/td><td>18.1<\/td><td>19.1<\/td><td>18.2<\/td><td>16.7<\/td><\/tr><tr><td>M8<\/td><td>20<\/td><td>19.1<\/td><td>17.4<\/td><td>18.3<\/td><td>17.4<\/td><td>15.8<\/td><td>16.7<\/td><td>15.9<\/td><td>14.0<\/td><\/tr><tr><td rowspan=\"8\">700<\/td><td rowspan=\"4\">P43<\/td><td>M1~M3<\/td><td>28<\/td><td>26.8<\/td><td>24.5<\/td><td>25.5<\/td><td>24.4<\/td><td>22.3<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><\/tr><tr><td>M4, M5<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><td>21.3<\/td><td>20.4<\/td><td>18.6<\/td><td>19.5<\/td><td>18.7<\/td><td>17<\/td><\/tr><tr><td>M6, M7<\/td><td>20<\/td><td>19.2<\/td><td>17.5<\/td><td>18.3<\/td><td>17.4<\/td><td>15.9<\/td><td>16.7<\/td><td>16<\/td><td>14.6<\/td><\/tr><tr><td>M8<\/td><td>17.5<\/td><td>16.7<\/td><td>15.3<\/td><td>15.9<\/td><td>15.2<\/td><td>13.9<\/td><td>14.6<\/td><td>14<\/td><td>12.7<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>38.6<\/td><td>36.8<\/td><td>33.6<\/td><td>35.2<\/td><td>33.5<\/td><td>30.6<\/td><td>32.2<\/td><td>30.7<\/td><td>28<\/td><\/tr><tr><td>M4, M5<\/td><td>32.2<\/td><td>30.726<\/td><td>28<\/td><td>29.4<\/td><td>28<\/td><td>25.6<\/td><td>26.9<\/td><td>25.6<\/td><td>23.4<\/td><\/tr><tr><td>M6, M7<\/td><td>27.6<\/td><td>3<\/td><td>24<\/td><td>25.2<\/td><td>24<\/td><td>21.9<\/td><td>23<\/td><td>22<\/td><td>20<\/td><\/tr><tr><td>M8<\/td><td>24.2<\/td><td>23<\/td><td>21<\/td><td>22<\/td><td>21<\/td><td>19.1<\/td><td>20.1<\/td><td>19.2<\/td><td>17.5<\/td><\/tr><tr><td rowspan=\"4\">800<\/td><td rowspan=\"4\">QU70<\/td><td>M1~M3<\/td><td>43.7<\/td><td>41.7<\/td><td>38.1<\/td><td>39.8<\/td><td>38<\/td><td>34.7<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><\/tr><tr><td>M4, M5<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><td>33.2<\/td><td>31.7<\/td><td>29<\/td><td>30.4<\/td><td>29<\/td><td>26.6<\/td><\/tr><tr><td>M6, M7<\/td><td>31.2<\/td><td>29.8<\/td><td>27.2<\/td><td>28.4<\/td><td>27.2<\/td><td>24.8<\/td><td>26<\/td><td>24.9<\/td><td>22.7<\/td><\/tr><tr><td>M8<\/td><td>27.3<\/td><td>26.1<\/td><td>23.8<\/td><td>24.9<\/td><td>23.8<\/td><td>21.7<\/td><td>22.8<\/td><td>21.8<\/td><td>19.8<\/td><\/tr><tr><td rowspan=\"4\">900<\/td><td rowspan=\"4\">QU80<\/td><td>M1~M3<\/td><td>50.5<\/td><td>48.1<\/td><td>44<\/td><td>46<\/td><td>43.7<\/td><td>40<\/td><td>42.2<\/td><td>40.2<\/td><td>36.8<\/td><\/tr><tr><td>M4, M5<\/td><td>42.4<\/td><td>40.2<\/td><td>36.8<\/td><td>38.4<\/td><td>36.5<\/td><td>33.4<\/td><td>35.2<\/td><td>33.6<\/td><td>30.7<\/td><\/tr><tr><td>M6, M7<\/td><td>36.1<\/td><td>34.4<\/td><td>31.5<\/td><td>32.9<\/td><td>31.2<\/td><td>28.6<\/td><td>30.2<\/td><td>28.8<\/td><td>26.3<\/td><\/tr><tr><td>M8<\/td><td>31.6<\/td><td>30.1<\/td><td>27.5<\/td><td>28.8<\/td><td>27.3<\/td><td>25<\/td><td>26.4<\/td><td>25.1<\/td><td>23<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka maxim\u00e1ln\u00edho p\u0159\u00edpustn\u00e9ho tlaku na kola pro dvojkol\u00ed velk\u00fdch vozidel<\/figcaption><\/figure>\n\n\n\n<p>Tabulka maxim\u00e1ln\u00edho p\u0159\u00edpustn\u00e9ho tlaku kol pro dvojkol\u00ed voz\u00edku:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">Pr\u016fm\u011br kola\/mm<\/td><td rowspan=\"4\">Model kolejnice<\/td><td rowspan=\"4\">Pracovn\u00ed \u00farove\u0148<\/td><td colspan=\"8\">Rychlost j\u00edzdy\/(m\/min)<\/td><\/tr><tr><td colspan=\"8\">Ot\u00e1zky a odpov\u011bdi<\/td><\/tr><tr><td colspan=\"2\">&lt;60<\/td><td colspan=\"2\">60~90<\/td><td colspan=\"2\">&gt;90~180<\/td><td colspan=\"2\">&gt;180<\/td><\/tr><tr><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><td>\u22651,6<\/td><td>0.9<\/td><\/tr><tr><td rowspan=\"4\">250<\/td><td rowspan=\"4\">P11<\/td><td>M1~M3<\/td><td>3.3<\/td><td>3.09<\/td><td>2.91<\/td><td>2.81<\/td><td>2.67<\/td><td>2.58<\/td><td>2.46<\/td><td>2.34<\/td><\/tr><tr><td>M4, M5<\/td><td>2.67<\/td><td>2.58<\/td><td>2.43<\/td><td>2.34<\/td><td>2.23<\/td><td>2.15<\/td><td>2.5<\/td><td>1.98<\/td><\/tr><tr><td>M6, M7<\/td><td>2.38<\/td><td>2.51<\/td><td>2.08<\/td><td>2.01<\/td><td>1.91<\/td><td>1.84<\/td><td>1.76<\/td><td>1.7<\/td><\/tr><tr><td>M8<\/td><td>2<\/td><td>1.93<\/td><td>1.82<\/td><td>1.76<\/td><td>1.67<\/td><td>1.61<\/td><td>1.54<\/td><td>1.48<\/td><\/tr><tr><td rowspan=\"8\">350<\/td><td rowspan=\"4\">P18<\/td><td>M1~M3<\/td><td>4.18<\/td><td>4.03<\/td><td>3.8<\/td><td>3.66<\/td><td>3.49<\/td><td>3.36<\/td><td>3.22<\/td><td>3.1<\/td><\/tr><tr><td>M4, M5<\/td><td>3.49<\/td><td>3.36<\/td><td>3.17<\/td><td>3.06<\/td><td>2.91<\/td><td>2.8<\/td><td>2.68<\/td><td>2.59<\/td><\/tr><tr><td>M6, M7<\/td><td>2.99<\/td><td>2.88<\/td><td>2.72<\/td><td>2.62<\/td><td>2.5<\/td><td>2.4<\/td><td>3.2<\/td><td>2.22<\/td><\/tr><tr><td>M8<\/td><td>2.61<\/td><td>2.52<\/td><td>2.38<\/td><td>2.29<\/td><td>2.18<\/td><td>2.1<\/td><td>2.01<\/td><td>1.94<\/td><\/tr><tr><td rowspan=\"4\">P24<\/td><td>M1~M3<\/td><td>14.1<\/td><td>13.5<\/td><td>12.8<\/td><td>12.3<\/td><td>11.8<\/td><td>11.3<\/td><td>10.9<\/td><td>10.4<\/td><\/tr><tr><td>M4, M5<\/td><td>11.8<\/td><td>11.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.85<\/td><td>9.45<\/td><td>9.1<\/td><td>8.7<\/td><\/tr><tr><td>M6, M7<\/td><td>10.1<\/td><td>9.65<\/td><td>9.15<\/td><td>8.8<\/td><td>8.45<\/td><td>8.1<\/td><td>7.8<\/td><td>7.45<\/td><\/tr><tr><td>M8<\/td><td>8.8<\/td><td>8.45<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><td>7.06<\/td><td>6.8<\/td><td>6.5<\/td><\/tr><tr><td rowspan=\"4\">400<\/td><td rowspan=\"4\">P38<\/td><td>M1~M3<\/td><td>16<\/td><td>15.4<\/td><td>14.6<\/td><td>14<\/td><td>13.4<\/td><td>12.8<\/td><td>12.3<\/td><td>11.85<\/td><\/tr><tr><td>M4, M5<\/td><td>13.4<\/td><td>15.8<\/td><td>12.2<\/td><td>11.7<\/td><td>11.2<\/td><td>10.7<\/td><td>10.3<\/td><td>9.9<\/td><\/tr><tr><td>M6, M7<\/td><td>11.4<\/td><td>11<\/td><td>10.4<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.8<\/td><td>8.5<\/td><\/tr><tr><td>M8<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.75<\/td><td>8.4<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><\/tr><tr><td rowspan=\"4\">500<\/td><td rowspan=\"4\">P43<\/td><td>M1~M3<\/td><td>19.8<\/td><td>19.1<\/td><td>18<\/td><td>17.4<\/td><td>16.5<\/td><td>15.9<\/td><td>15.2<\/td><td>14.7<\/td><\/tr><tr><td>M4, M5<\/td><td>16.5<\/td><td>15.9<\/td><td>15<\/td><td>14.5<\/td><td>13.8<\/td><td>13.3<\/td><td>12.7<\/td><td>12.25<\/td><\/tr><tr><td>M6, M7<\/td><td>14.15<\/td><td>13.7<\/td><td>12.9<\/td><td>12.45<\/td><td>11.8<\/td><td>11.4<\/td><td>10.9<\/td><td>10.5<\/td><\/tr><tr><td>M8<\/td><td>12.4<\/td><td>11.9<\/td><td>11.25<\/td><td>10.9<\/td><td>10.3<\/td><td>9.95<\/td><td>9.5<\/td><td>9.2<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Tabulka maxim\u00e1ln\u00edho p\u0159\u00edpustn\u00e9ho tlaku kol pro dvojkol\u00ed voz\u00edk\u016f<\/figcaption><\/figure>\n\n\n\n<p><em>Pozn\u00e1mka: Tato tabulkov\u00e1 hodnota je vypo\u010d\u00edt\u00e1na podle materi\u00e1lu kola: ZG310-570, HB320; pokud je materi\u00e1l kola ZG50MnMo, n\u00e1prava kola 45, HB = 228 ~ 255, lze maxim\u00e1ln\u00ed povolen\u00fd tlak v kole zv\u00fd\u0161it o 20%;&nbsp;<\/em><\/p>\n\n\n\n<p><em>Q \u2013 nosnost je\u0159\u00e1bu;&nbsp;<\/em><\/p>\n\n\n\n<p><em>G \u2014 nosnost je\u0159\u00e1bu.<\/em><\/p>\n\n\n\n<p>V\u00fdpo\u010det zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu je z\u00e1kladn\u00ed prac\u00ed pro zaji\u0161t\u011bn\u00ed bezpe\u010dnosti, stability a trvanlivosti je\u0159\u00e1bu. P\u0159esn\u00fdm v\u00fdpo\u010dtem zat\u00ed\u017een\u00ed kol lze optimalizovat konstrukci je\u0159\u00e1bu a zvolit vhodn\u00e9 materi\u00e1ly a v\u00fdrobn\u00ed proces, \u010d\u00edm\u017e se zlep\u0161\u00ed celkov\u00fd v\u00fdkon za\u0159\u00edzen\u00ed. Celkov\u011b vzato je v\u00fdpo\u010det zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu slo\u017eit\u00fd, ale z\u00e1sadn\u00ed projekt, kter\u00fd mus\u00ed b\u00fdt realizov\u00e1n prost\u0159ednictv\u00edm d\u016fkladn\u00e9 anal\u00fdzy a v\u00fdpo\u010dtu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hidden-dangers-of-crane-wheels-not-meeting-the-standard\">Skryt\u00e1 nebezpe\u010d\u00ed je\u0159\u00e1bov\u00fdch kol, kter\u00e1 nespl\u0148uj\u00ed normu&nbsp;<\/h2>\n\n\n\n<p>Je\u0159\u00e1bov\u00e1 kola, kter\u00e1 nespl\u0148uj\u00ed normu, budou m\u00edt v\u00e1\u017en\u00fd dopad na v\u00fdkon, bezpe\u010dnost a dlouhodob\u00e9 pou\u017e\u00edv\u00e1n\u00ed za\u0159\u00edzen\u00ed, co\u017e se projev\u00ed v n\u00e1sleduj\u00edc\u00edch aspektech:&nbsp;<\/p>\n\n\n\n<p>1. Zv\u00fd\u0161en\u00e1 bezpe\u010dnostn\u00ed rizika<\/p>\n\n\n\n<ul>\n<li>Zlomen\u00ed nebo selh\u00e1n\u00ed kola: Pokud materi\u00e1l kola nespl\u0148uje normu, nemus\u00ed b\u00fdt schopen odolat b\u011b\u017en\u00e9mu zat\u00ed\u017een\u00ed je\u0159\u00e1bu a je n\u00e1chyln\u00fd k zlomen\u00ed nebo v\u00e1\u017en\u00e9mu opot\u0159eben\u00ed. To p\u0159\u00edmo ohro\u017euje bezpe\u010dnost obsluhy, zejm\u00e9na v p\u0159\u00edpad\u011b vysok\u00e9ho zat\u00ed\u017een\u00ed nebo rychl\u00e9ho provozu, co\u017e m\u016f\u017ee v\u00e9st k nehod\u00e1m.<\/li>\n\n\n\n<li>Vych\u00fdlen\u00ed nebo vykolejen\u00ed koleje: pod\u0159adn\u00e1 kola mohou v\u00e9st ke \u0161patn\u00e9mu kontaktu mezi koly a kolej\u00ed, co\u017e zp\u016fsob\u00ed vych\u00fdlen\u00ed nebo vykolejen\u00ed je\u0159\u00e1bu a zv\u00fd\u0161\u00ed riziko nehod.<\/li>\n<\/ul>\n\n\n\n<p>2. Zv\u00fd\u0161en\u00e9 opot\u0159eben\u00ed a po\u0161kozen\u00ed<\/p>\n\n\n\n<ul>\n<li>Nerovnom\u011brn\u00e9 opot\u0159eben\u00ed: Pokud kvalita kol neodpov\u00edd\u00e1 norm\u011b, mohou se na jejich povrchu vyskytnout vady, jako je nerovnom\u011brn\u00e1 tvrdost nebo nerovnom\u011brn\u00e1 struktura, co\u017e vede k nerovnom\u011brn\u00e9mu opot\u0159eben\u00ed. Toto nerovnom\u011brn\u00e9 opot\u0159eben\u00ed urychluje po\u0161kozen\u00ed kol a p\u00e1s\u016f a zvy\u0161uje n\u00e1klady na \u00fadr\u017ebu.<\/li>\n\n\n\n<li>Nadm\u011brn\u00e9 opot\u0159eben\u00ed: nestandardn\u00ed kola se mohou p\u0159i dlouhodob\u00e9m pou\u017e\u00edv\u00e1n\u00ed opot\u0159ebovat p\u0159\u00edli\u0161 rychle, co\u017e vede ke zm\u011bn\u00e1m v rozm\u011brech kol a ovliv\u0148uje stabilitu a p\u0159esnost provozu je\u0159\u00e1bu.<\/li>\n<\/ul>\n\n\n\n<p>3. Ovlivn\u011bn\u00ed provozn\u00ed v\u00fdkonnosti<\/p>\n\n\n\n<ul>\n<li>Nevyv\u00e1\u017eenost a vibrace: Kola nekvalitn\u00ed kvality mohou zp\u016fsobit nerovnom\u011brn\u00fd chod je\u0159\u00e1bu, co\u017e vede k nadm\u011brn\u00fdm vibrac\u00edm a hluku, co\u017e ovliv\u0148uje provozn\u00ed \u00fa\u010dinnost a komfort. Dlouhodob\u00e9 vibrace mohou tak\u00e9 zp\u016fsobit po\u0161kozen\u00ed dal\u0161\u00edch mechanick\u00fdch sou\u010d\u00e1st\u00ed (nap\u0159. lo\u017eisek, motor\u016f atd.).<\/li>\n\n\n\n<li>Nerovnom\u011brn\u00e9 rozlo\u017een\u00ed zat\u00ed\u017een\u00ed: Probl\u00e9my s kvalitou kol mohou v\u00e9st k nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed zat\u00ed\u017een\u00ed, zejm\u00e9na u je\u0159\u00e1b\u016f s v\u00edce konfiguracemi kol. To ovlivn\u00ed nosnost a pracovn\u00ed \u00fa\u010dinnost za\u0159\u00edzen\u00ed, co\u017e m\u00e1 za n\u00e1sledek, \u017ee je\u0159\u00e1b nebude schopen pracovat efektivn\u011b a stabiln\u011b.<\/li>\n<\/ul>\n\n\n\n<p>4. Sn\u00ed\u017een\u00e1 \u017eivotnost za\u0159\u00edzen\u00ed<\/p>\n\n\n\n<ul>\n<li>P\u0159ed\u010dasn\u00e9 st\u00e1rnut\u00ed a selh\u00e1n\u00ed: Nekvalitn\u00ed materi\u00e1ly a konstrukce kol mohou zp\u016fsobit jejich v\u011bt\u0161\u00ed n\u00e1chylnost k \u00fanav\u011b, korozi a dal\u0161\u00edmu po\u0161kozen\u00ed, \u010d\u00edm\u017e se zkracuje celkov\u00e1 \u017eivotnost je\u0159\u00e1bu. \u010cetnost v\u00fdm\u011bny kol se odpov\u00eddaj\u00edc\u00edm zp\u016fsobem zv\u00fd\u0161\u00ed, co\u017e povede k dodate\u010dn\u00fdm n\u00e1klad\u016fm na \u00fadr\u017ebu.<\/li>\n\n\n\n<li>Urychlen\u00ed opot\u0159eben\u00ed dal\u0161\u00edch sou\u010d\u00e1st\u00ed: nekvalitn\u00ed kola mohou v\u00e9st k p\u0159ed\u010dasn\u00e9mu opot\u0159eben\u00ed dal\u0161\u00edch kritick\u00fdch sou\u010d\u00e1st\u00ed je\u0159\u00e1bu (nap\u0159. pohonn\u00e9ho syst\u00e9mu, kolejnicov\u00e9ho syst\u00e9mu, h\u00e1k\u016f atd.), co\u017e zv\u00fd\u0161\u00ed obt\u00ed\u017enost a n\u00e1klady na \u00fadr\u017ebu.<\/li>\n<\/ul>\n\n\n\n<p>5. Zv\u00fd\u0161en\u00ed n\u00e1klad\u016f na \u00fadr\u017ebu a provoz<\/p>\n\n\n\n<ul>\n<li>\u010cast\u00e9 opravy: nekvalitn\u00ed kola povedou k \u010dast\u011bj\u0161\u00edm oprav\u00e1m, v\u00fdm\u011bn\u011b nebo kalibraci za\u0159\u00edzen\u00ed, co\u017e nejen zvy\u0161uje provozn\u00ed n\u00e1klady, ale m\u016f\u017ee tak\u00e9 v\u00e9st k del\u0161\u00edm prostoj\u016fm za\u0159\u00edzen\u00ed a ovlivnit produktivitu.<\/li>\n\n\n\n<li>P\u0159ed\u010dasn\u00e1 v\u00fdm\u011bna: Kola n\u00edzk\u00e9 kvality nemus\u00ed b\u00fdt schopna dlouhodob\u011b zvl\u00e1dat vysok\u00e9 zat\u00ed\u017een\u00ed, co\u017e m\u00e1 za n\u00e1sledek nutnost p\u0159ed\u010dasn\u00e9 v\u00fdm\u011bny a zv\u00fd\u0161en\u00ed n\u00e1klad\u016f na \u00fadr\u017ebu a v\u00fdm\u011bnu d\u00edl\u016f.<\/li>\n<\/ul>\n\n\n\n<p>6. Dopad na celkovou stabilitu syst\u00e9mu<\/p>\n\n\n\n<ul>\n<li>Po\u0161kozen\u00ed p\u0159evodov\u00e9ho syst\u00e9mu: Probl\u00e9my s kvalitou kol mohou v\u00e9st k abnorm\u00e1ln\u00edmu provozu p\u0159evodov\u00e9ho syst\u00e9mu, jako je p\u0159ed\u010dasn\u00e9 opot\u0159eben\u00ed nebo po\u0161kozen\u00ed motoru, reduktoru a dal\u0161\u00edch sou\u010d\u00e1st\u00ed, a t\u00edm ovlivnit stabilitu a provozuschopnost cel\u00e9ho je\u0159\u00e1bov\u00e9ho syst\u00e9mu.<\/li>\n\n\n\n<li>Po\u0161kozen\u00ed kolejov\u00e9ho syst\u00e9mu: dopad nestandardn\u00edch kol na kolejov\u00fd syst\u00e9m m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed nebo deformaci koleje, co\u017e n\u00e1sledn\u011b ovliv\u0148uje stabilitu za\u0159\u00edzen\u00ed a m\u016f\u017ee vy\u017eadovat \u010dast\u011bj\u0161\u00ed opravy a v\u00fdm\u011bny koleje.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"preventive-measures\">Preventivn\u00ed opat\u0159en\u00ed:<\/h2>\n\n\n\n<ul>\n<li>P\u0159\u00edsn\u00e1 kontrola kvality: Zajist\u011bte, aby materi\u00e1ly kol a v\u00fdrobn\u00ed procesy spl\u0148ovaly pr\u016fmyslov\u00e9 standardy, vyb\u00edrejte spolehliv\u00e9 dodavatele kvality a prov\u00e1d\u011bjte podrobn\u00e9 kontroly a testy.<\/li>\n\n\n\n<li>Pravideln\u00e1 kontrola a \u00fadr\u017eba: Pravideln\u011b kontrolujte kola je\u0159\u00e1bu, abyste v\u010das odhalili potenci\u00e1ln\u00ed opot\u0159eben\u00ed a praskliny pro nutnou \u00fadr\u017ebu a v\u00fdm\u011bnu.<\/li>\n\n\n\n<li>Rozumn\u00fd n\u00e1vrh a v\u00fdb\u011br: Vyberte kola s vhodn\u00fdmi specifikacemi podle pracovn\u00edch podm\u00ednek je\u0159\u00e1bu, abyste zajistili, \u017ee odol\u00e1vaj\u00ed o\u010dek\u00e1van\u00e9mu zat\u00ed\u017een\u00ed a pracovn\u00edmu prost\u0159ed\u00ed.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"V\u00fdpo\u010det zat\u00ed\u017een\u00ed kol je\u0159\u00e1bu je kl\u00ed\u010dov\u00fdm krokem v procesu n\u00e1vrhu a v\u00fdb\u011bru je\u0159\u00e1bu. P\u0159esn\u00fd v\u00fdpo\u010det zat\u00ed\u017een\u00ed nejen p\u0159\u00edmo ovliv\u0148uje bezpe\u010dnost a spolehlivost je\u0159\u00e1bu, ale tak\u00e9 souvis\u00ed s \u017eivotnost\u00ed za\u0159\u00edzen\u00ed a n\u00e1klady na \u00fadr\u017ebu. V praxi je zat\u00ed\u017een\u00ed kol generov\u00e1no kombinovan\u00fdmi \u00fa\u010dinky [\u2026]","protected":false},"featured_media":8530,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[499],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/8518"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":5,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/8518\/revisions"}],"predecessor-version":[{"id":8565,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/xmxposts\/8518\/revisions\/8565"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media\/8530"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/media?parent=8518"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_category?post=8518"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/cs\/wp-json\/wp\/v2\/posts_tag?post=8518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}