skreperlarni xisoblashning nazariy asoslari

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prezentatsiya powerpoint r e j a: skreperlarni xisoblashning nazariy asoslari. skreper ish jixozining va mashinaning asosiy ko'rsatkichlari. skreperning ishchi va transport xolatlarida ta'sir etuvchi qarshilik kuchlari, ularning turlari va xisoblash usullari. skreperning tortish kuchi va quvvat balansi. mavzu: skreperlarni hisoblash asoslari. 1. skreperni asosiy ko'rsatkichlari skreperni tortish kuchiga hisoblash. skreperga ta'sir etuvchi kuchlar a) tuproq yig'ib olish jarayonida b) tuproqni tashish paytida skreperning quvvat balansi. image2.emf image3.emf image4.emf image5.emf image6.emf image7.emf image8.emf image9.png image10.png image11.emf image12.emf image13.emf image14.emf image15.png elevator yo rdamida cho'michni to'ldiradigan sk reperning asosiy parametrlariga asos mashinasining massasi, mashina ning maksimal massasi va cho'michning geometrik h ajmi, q ir g ichli elevatorning yuritma q uvvati va ish unumi kiradi. skreperning to'li q massas i: kg   , 367 62 , 3 367 max 2 max max max p p l m p eo e v f v a k v p p m    …

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      kvt  f - tortkichning maksimal tortish kuchi, kn; f f - h arakatlanishga q arshilik kuchi, kn; , g m f f f    kn p v - cho'michni to'ldirish tezligi, m/sek. skreperning ish unum dorlig i , 60 ) ( ) ( yu r ts t n k t k t k g p     m 3 /soat k g - cho'michning si g' imi, m 3 (20 m 3 ); k n - cho'michni grunt bilan to'ldirish koeffitsienti; k r (yu) - gruntning yumsha t ish koeffitsienti; t ts - skreper bitta tsiklining davomiyligi, sek. kayt n sx sx bush bush t aa t aa t t ts t t v l v l v l v l t        2 t l - cho'michni to'ldirish uzunligi, m; t v …

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xirida q irindisining chi q ish balandligi, m . (n pr =0,4…0,8 m); k pr – q op q o q ning oldidagi tupro q ni surishda h osil bo'lishini xiso bga oluvchi koeffitsient, (k pr =0,5…0,7); f - gruntning grunt bilan ish q alanish ko effitsienti kovsh (cho'mich) ning to'lishidagi va tupro q q irindisining q o'z g' atish dagi q arshilik kuchi. k n.   , f k f k n h k g n v x gr s gr gr k           k s - q irindi q alinligining kattalashish koeffitsienti , (k s =0,06...0,16); k x - tupro q q irindisining h arakatidagi q arshilik koeffitsienti, (k x =0,27...0,44). yuklangan skreperning h arak a tiga ko'rsatilgan q arshilik q uyidagicha ani q lanadi :     i f g m m f m g …

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prezentatsiya powerpoint r e j a: skreperlarni xisoblashning nazariy asoslari. skreper ish jixozining va mashinaning asosiy ko'rsatkichlari. skreperning ishchi va transport xolatlarida ta'sir etuvchi qarshilik kuchlari, ularning turlari va xisoblash usullari. skreperning tortish kuchi va quvvat balansi. mavzu: skreperlarni hisoblash asoslari. 1. skreperni asosiy ko'rsatkichlari skreperni tortish kuchiga hisoblash. skreperga ta'sir etuvchi kuchlar a) tuproq yig'ib olish jarayonida b) tuproqni tashish paytida skreperning quvvat balansi. image2.emf image3.emf image4.emf image5.emf image6.emf image7.emf image8.emf image9.png image10.png image11.emf image12.emf image13.emf image14.emf image15.png elevator yo rdamida cho'michni to'ldiradigan sk reperning asosiy parametrlariga asos mashinasining ...

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