Zamonaviy avtomobillarning ishchi tormoz tizmi - Машиностроение - Курсовые работы

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Zamonaviy avtomobillarning ishchi tormoz tizmi

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Zamonaviy avtomobillarning ishchi tormoz tizmi I.BOB. 1.1. T or m oz t i z i m i 1.2. T or m oz m e x an iz m lari. 1.3. A v t o m o b i l l a r d an f oy d alan i sh d a v ri d a t o r m o z b o shqar m a s i da uc h ra y di g a n a sosiy n o soz l i k l a r II.BOB. Tormoz tizimining asosiy printsiplari 2.1. Tormoz g'ildiragi silindrining tormoz oralig'ini sozlash

1. T or m oz t i z i m i A v t o m o b i l nin g o ’ z ha ra k a ti d a vo m i d a , v a z i y at g a q a ra b , s eki n l ati sh yo ki t o’ x t a ti s h z a r u r i y at i t u g ’ i l a d i . A g a r d v i g at el n i y e t a k ch i s i ld ir a k - l a r da n a jra t i b q o ’ y i l s a , a v t o m o bi l o ’z i n i n g i n e r si y asi o ’ z hi s ob i g a h a r a - k a t i ni d a vom e t t ir a di . A v t o m o bi l n i n h a r a k a t l a ni s h i ga q a r s h i l ik k uch l a r i ni n g h i s o b i g a ( y o ’ l n i n g, h a vo n i ng q a r s h i l i k k u c h la ri , t r an s mis s i y a da g i i s hq a l a n ish k u ch i va x . z .) a vt o m o bi l n i ng t ezl i g i pa s a y ib b ora d i v a n i h o y at a v t o m o b i l t o ’ x t a y d i . B u h o l d a t o’ x t a sh y o ’ li ka t

pn e v m a ti k (h a v o y or da m id a ) , e lektr i k y o k i k o m b i nats i y a l as h g a n ( p n e v m o g i d r a vl i k , p n ev m o el e k t rik v a h . k . ) t ur l a rg a b o’ l ina d i. To r m oz y u r i t m a s i q u y i da g i el e m e nt l ard a n t a s h k i l t o p g a n : b os h qa ri sh o rg a n i v o s i t a s i d a e n erg i y a m an b a idan t or m o z m ex ani z m l a r i g a u z a t i l a y o t g an e n er g i y a m iqd o r j i h a t d a n r o s t l ab tur i l a d i . B u l ar g a t or m o z k r a n i , a s o s i y t or m o z s i l in d r i, t o ’ x ta t ib t u r i s h v a yo rd a m c h i t o rm o z ti z im i in i ng q o ’l y u r it m a s i k i r a d i ; i j r o e t u v c h i o rg a n — t o r m o z y u ri t mas i d a n t o r m o z m ex ani z -m i g a e n er g i y a

ka m c h i l i k l a r i h i s o b i g a m ex an i k t o rm o z y u ri t m a si i s h c h i t o r m o z ti zi ml a r i d a i s h l a t i l m a y di . L e ki n a v t o m o b i l l a r n i o ’ z jo y i d a c h eg a r a l a n m a g a n v a qt mob a y ni d a us h l a b t u r i s h u c h u n m ex an i k t or m o z y u r i t m a si t o’ x t a ti b t u r i s h t or m o z ti z i m idan k e n g q o ’l l a ni l a d i . A ma l i y o t da g i t a j r i b a d a n k e l ib c hi q g a n h o ld a shuni a y t i sh j o i zk i, g id ra vl ik k u c h a y ti r g i c h b i l an j i h o zl a n g an t r a n s p or t v o si t a l a r i n i t o’ x t a ti s h b i r mun c ha y e ngi lr o qd i r. K un da v o m id a o d di y t o r m o z ti z i m i g a eg a b o’ lg an a v tom o b i l n i b o s h qar i b b o ra y o tgan

h o s i l b o ’ l a d i.1- rasm. Gidravl ik torm oz tizim ining sxem asi. 1-old g’ ildi rak to rmoz silind ri; 2-o ld to rmoz tizimining quvu ri; 3-o rqa to rm oz tizimining quvu ri; 4-o rqa g’ ildi rak to rmoz silind ri; 5-a sosiy to rmoz tizimi bachog i; 6-a sosiy to rmoz silind ri; 7-a sosiy to rmoz silind ri po rsheni; 8-shto k; 9-to rmoz ped ali. G ’ i l d i raklar da g i t or m o z l a ni s h n i n g b a r a v a r b os h l a n i s h i v a t o rm o z p e d a li d a g i ku c h b i l an t o r m o z m ex ani z m l a r ini i s h g a t u s hi r u vc h i k uch l a r n i n g o’ z a r o m o s l i l i g i n i g i d r a v l i k y u r i t m an in g i sh l a s h p r i ns i pi ta ’ mi n l a b b e r a d i .

O’zg. Varo q Hujjat№. Imzo Sana Varo q Asosiy to rm oz silindridan 2- rasm. Dis kli tor m oz tizimi. 1-ko rpu s; 2-po rshen; 3-bir iktu ruvchi trubk a; 4-oldi ngi chap g’i ldi rak to rm oz di ski; 5-fr iksion qoplamali to rmoz kalodka si; 6-po rshen; 7-old ingi chap g’i ldi rak ichki ishchi silind ri. To r m oz p e d a l i g a t a ’ s i r e t a y o t g an k u c h o l i n g a nd a p e d a l p r u j i n a t a ’ s i r i d a o’z in i ng a vv a lg i h o l a t i g a q a y t a d i . S h u n in g d e k, p r u j i n a t a ’ s i r i d a a s o s i y t or m o z s i l i nd r i n ing p ors h e n l ari ha m o’ zi n i ng a v v a lg i h o l a t ig a qa y ta d i . T or m o z m ex an i z m i d a g i p r u j i n a l a r x i s o bi g a k o lo d ka l ar x a m a v v a lg i h o l a t i g a q a y t i b , g’ i l d

O’zg. Varo q Hujjat№. Imzo Sana Varo q t o r m oz l a ni sh m u m k i n em as, c h u n k i s u y u q l i kn i n g b o s i m i k a t ta b o ’lg an i u c hun ( 1 0 . .1 2 M P a ), u zo q v a q t tor m o z l a n ga n d a , z i c h l o v c h i r e z i n a x a l q a l ar b u b o s i m n i u s hlab t ura o l ma y di , m a x a ll iy n os o zl ik b o’ l g a nd a b u t u n t or m o z ti z imi i s h l am a y o l is h i m u m k i n ( m a s a la n , t r u b k a l a r d a n b i t t asi y or i l g and a ), p a s t h a r o r a t da ( - 3 0 0 S d a n p a s t ) F I K nin g s e z i l a r l i p a s a y a di . T or m oz m e x an iz m lari. T or m o z k u c h i n i h osi l q i l i s h v a z i f as in i t or m o z m ex ani z mi b a jar a d i. T or m o z m ex an i z m l ari g ’i l di r ak l a r da y o k i t r an

O’zg. Varo q Hujjat№. Imzo Sana Varo q 3- rasm. Barab anli torm oz tizimi. 1-to rmoz ba raban i; 2-to rmoz ɳ i t ; 3-to rm ozning ishchi silind ri; 4- tormoz ishchi silind rining po rsheni; 5-qayta ruvchi pruji na; 6-f riksion qopl ama; 7-to rmoz ba rabani. To r m oz m e x a ni z mi qa n c ha k a t t a to r m o z mo m e n t i h o s il qi l s a , s h u n ch a l ik s a m arador h i s o b l a n a d i . T or m o z m e x ani z m i da g i i s hqa l a n i s h k oeff its i y e n t i ning o ’ z g aris hi ( q i z i s h i , na ml a n ishi, mo yl an i s hi k a b i l ar n a t i jas i d a ) t or m o z s a m a rad o r l i g i t a ’ s i r e tmas a , b u n da y t or m o z m ex a ni z ml a r i b a ra r o r x i so b l a n a d i . T ormo zla n i sh v a q t i d a t o rmo z m ex an i z mi h o s i l q i l a y o

O’zg. Varo q Hujjat№. Imzo Sana Varo q i s h d a n c h i q i s h i m i s o l b o ’ l ad i . T or m o z ti z im i ga x i z m a t k o’rsa t i s h i shlar i a s o s a n 1 - T X K , 2- T X K v a M X K d a vr l a r i da b a ja r i l a d i. 1 - T X K d a t or m o z ti z i mi b o’ y ich a b a r c ha b i r i km a l a r v a t r uba o’ t ka z g i c h l a rn i n g j i p s l i gi , t orm o z n in g i s h l a s h s i f a t i, k o m p res s o r h o s i l qi l uvc h i b o s i m, j i h o z d a d et al v a bi r i k m a l a r n i n g j o y i g a q ot iri l i s h i , t or m o z t e p k i s i n i n g e r k in va i s h c h i y u r i s h i t e ks h i r i l a di . 2 - T X K d a 1 - T X K da g i i s h l a r b i l an b i r g a l i kda t o r m o z b a r a b a n l a r i ( di s k l ari), k o l o dka l ar, g ’i l d i

O’zg. Varo q Hujjat№. Imzo Sana Varo q t e k s h i r i s h ha m d a a v t o m o b i l g ’ ild i r a gi ni o s ib q o’ y i b , u n i n g ye n g i l a yl an i s h i ni a ni q l as hd an i b o r at. 2 . T or m o z t e p ki s i ning e r k i n y u r i sh y o ’ l i n i t e k s h i r ish v a s o zl a sh ( 7 2 - rasm ) . B u i sh a v t o m o bi l l a r n in g k a bina s i y ok i s a lo n i d a ha y d o v chi o ’ r i n- d i g’ i o l d i d a b a j a r i l a d i . C h i zg ’ i c h n in g bi r u c h i p o l g a q o’ y i l i b , i kk i n ch i t o m o n i t e pk i n i n g y u zasi b i l an t e ng l a s h ti r ila d i v a o r a l i q a n i q l a na d i . S hu h o l atda t ep k i q a r s h i li k h o s i l b o ’ l g u nc h a b o s i l i b , y ana o r a l i q a n i ql a n a d i . S o ’ n gra bi ri n ch i v

O’zg. Varo q Hujjat№. Imzo Sana Varo q H oz i rg i va q td a B S K ( T U - 6 -1 0 - 15 5 3 - 7 5 ) v a NEV A ( T U- 6 - 09 - 5 5 0-73) t ur i d a g i ha m d a x o r i j iy f i rma l a rd a i s hlab c h iqari l a y o tgan t o rm o z s u y uq l i k l a r i ( DOT -2, D OT -3, DO T - 4 v a b os h q a l a r ) d a n k e n g f o y d a l anil-mo q da. B SK s u y uq li g i k a n ak u n j u t m o y i ( 47 % ) v a bu t i l sp i rt i ( 5 3%) d an h a m da qi z i l ra ng b er u v c hi org a ni k m od d ad a n t a y y o r l a na d i. U n in g ka m c h ili gi m in u s 1 5  S d a n pa s t v a 2 5  S d a n y uq or i h a r o r at d a o’ z o qu vc h a n l i g i n i y o ’ q o ti s h i d a d i r. NE V A tu r k um i da g i t or m o z s u y u q l i k l a r i e t i l k a r b i t o l s u y u q l i g i a s o s i

O’zg. Varo q Hujjat№. Imzo Sana Varo q 1. Sozlash oynasini tormoz pabiga qarshi burab, bo'shliqni sozlang; 2. Vintni va eksenel siljishni amalga oshirish uchun ulangan tirgakchani haydash uchun qo'llab-quvvatlash blokining yoki g'ildirak silindrining so'nggi yuziga suyanadigan sozlash somunini burab, bo'shliqni sozlang; 3. Uzunligini o'zgartirish uchun asosiy va ikkilamchi bo'yinbog'li tuyoq orasidagi sozlanishi itariladigan tirgakdagi vintni yoki somunni burab, bo'shliqni sozlang; 4. Uzunligini o'zgartirish uchun sozlanishi to'xtash tormozi tirgovichidagi nonni burab, bo'shliqni sozlang. * Avtomatik Sozlash: Bo'shliqni o'z-o'zini sozlash moslamasini ikki turga bo'lish mumkin: bir martalik sozlash turi va qadam turi. Sozlash m

O’zg. Varo q Hujjat№. Imzo Sana Varo q deformatsiyalar yuzaga kelsa, hosil bo'lgan bo'shliq belgilangan bo'shliqdan oshib ketadi. Deformatsiyani bartaraf etgandan so'ng, tormoz to'xtaydi yoki hatto qulflanadi. Ushbu hodisani oldini olish uchun" haddan tashqari sozlash", o'z-o'zini sozlash pog'onali moslamadan foydalanish kerak. Xulosa A v t o m o b i l nin g o ’ z ha ra k a ti d a vo m i d a , v a z i y at g a q a ra b , s eki n l ati sh yo ki t o ’ x t a ti s h z a r u r i y at i t u g ’ i l a d i . A g a r d v i g at el n i y e t a k ch i s i ld ir a k - l a r da n a jra t i b q o ’ y i l s a , a v t o m o bi l o ’ z i n i n g i n e r si y asi o ’ z hi s ob i g a h a r a - k a t i ni d a vom e t t ir a di . A v t o m o bi l n i n g h a r a k a t l

O’zg. Varo q Hujjat№. Imzo Sana Varo q Foydalanilgan adabiyotlar 1. A v to m o bill a rning t exn i k eks plu a t a t s iy a s i. Qa y t a i s hlang a n v a t o ’ l d i r i l g a n ru s cha 4-na s h r i d a n (p r o f . E . S .K u z n e t s ov t a h r i r i o s t i d a. M .: Nau k a, 2004 . - 535 s . ) ta r j i m a pr o f . Q . M . S i d d i q n a z a r o v u m um i y t a h r i r i o s t i d a , T o s h k e n t . V O R I S - N A S h R I Y o T , 2 0 0 6 . - 6 7 0 b . 2. A v t o m o bill a rning t exn i k ek s plu a t a t s i y a s i. O’z b e k i s ton Re s p u bl i ka s i O liy v a o ’r t a m a x s us t a ’ lim v azi r l i g i a v t o t ra n s port o l iy o ’quv y ur t l a r i t a l a b a la r i u c h u n dar s lik s i f a t i d a t av s i y a e t ga n . p r o f . Q. M . S i d d i q n azar

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