uvod u hidrauliku
TRANSCRIPT
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HIDRAULIKA................................................................................................................
1 UVOD U HIDRAULIKU ................................................................................. 1
2 HIDROMEHANIKE OSNOVE........................................................................3
3 RADNI FLUIDI ................................................................................................54 PUMPE ..............................................................................................................7
4.1 ZUPASTA PUMPA......................................................................................................94.2 VIJANA PUMPA.......................................................................................................104.3 KRILNAPUMPA.......................................................................................................114.4 KLIPNAPUMPA .......................................................................................................124.5 REGULACIJAPUMPI ................................................................................................15
5 PRIMJERI PRIMJENE ................................................................................155.1 SKLOPZAPOKRETANJEDIESEL-MOTORA...............................................................155.2 HIDRAULIKAPRESA..............................................................................................15.3 PLAT!ORMAZAPODIZANJE ....................................................................................1"
6. ZAKLJUAK......................................................................................................20
7. LITERATURA ...................................................................................................... ..21
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HIDRAULIKA
1. UVOD U HIDRAULIKU
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Sl. 1. Energetsko pretvaranjeu hidraulikom sistemu
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Sl. 2.Principijelna ema hidraulikog sistema
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- (>6& /) (#6& $&7- (*#&6 &/,# %&6# )(=## & *6##7- /%&;&+6/ ?#* /(&@ & (%&6/ &$>&7- (#6&+6 >(&6 /()#6# *a"- (6# ,#(#,(&/&,# )*# ?/ (#)( & (&&/,7 /#(6@7
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2. HIDROMEHANIKE OSNOVE
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Sl. #. Primjer u$ modi%iciranu &ernoullijevu j. ' dionica cjevovoda s pumpom
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3. RADNI FLUIDI
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Sl. -. adna karakteristika volumenske pumpe
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a)lica 1. /arakteristike hidraulikih pumpi i motora
4.1 :*,a()a *ma
a8 :*,a()a *ma ( a'(#m /&*$!'!m
!*)&$ / (#6/() ,( (/( &=) )+#6&,# & ,)&*6 '&$(#)*&, ?&*#7 (#=&6/,& & 8)#(/,&/(&@.
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4.2 K%#'a *ma
K(&*6# &*& *#*6# )# 6#+8
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Sl. 5. /rilna pumpa s kosim lamelama (nije rever$i)ilna3 1 6 stator! 2 6 rotor! # 6 lamela!
- 6 opruga! 0 6 ula$ni otvor! 4 6 i$la$ni otvor
4.3 K#'a *ma
K*&6 ) / ($& &(#=)) / 6#(6& >( %&*&6$#(# ?7 97 11@7 ( / #, $>(#6(6&& (, & (&&/#,.
a8 K#'/-a(#a'a *ma
U (*#&6 &(#6 (#$7 ) )( ,(##.
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N# / 8 & )# / &())&( 6# / (#%& .P*+# $&*6# 6# (&(#)
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Sl. 7.Pumpa s nagi)nom ploom3 1' )lok (rotor! 2 ' klip! # ' opruga! - ' upravljaka ploa!0 ' $akretna ploa
K*& / ,(*&,) *)/%# ?(/6
$&*6 ) $# $&*# /6# 6# )/&/6& $6/6 (&&/6& %$@. P(/6 /86 )( %&*&6$#(#7 #, $# )/&/6& $& /86 ) ( *&%& ,()# ?;## )/&/#@7 # (&&/6& )$() ?;## (&&/,#@.
T(/,& (, (#+)6# / (# ;()*&= 6SCD= %6/.!
P(& +) >( %&*&6$#(#7 n>( >(## ) $. (6#7 S8(8&6# (/,# %&*&6$(#7D(( >*,# %&*&6$#(# ?(( 6# , /) /& %&*&6$#(#@7 #9 )# 6#&># *+.
Z# ()*#%&) (,# (>#6 '#6 # (6) )*# 6#&># *+ ,& / &6#'$ %&*&6$#(#7 # & & (,. P#& '$ 6#(&$-6##$ ?)/&/ & *#+6@. U/&/6# & *#+6# %& /86 /) )/($&6& ((# & #(8##) / 6,(6 %&*&6$(&+6 (#$*6 *+ ,# >$)
(/6#/& ,#6#* $&*6 6# )/&/6& & (&&/6& $&. P(, / B ()*&(#& (6,/%6(&%.
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Sl. 1;. Pumpa s nagi)nom osi3 1 ' )lok (rotor! 2 ' klip! # ' upravljaka ploa! - ' kardanski$glo)
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4 - upravljaki prsten
P*ma ( a'(#m !/a'!m
O# )# 6# / & (#$*6# )# / )6)(#86& ,/%6( .*, %&*&6$#(# &()?/#(@. K*&& /) /#*6& $#/ >&( 6# (#&* / >(& ?(#&* /
,/%6(&%&@. U/&/##6 & (&&/,#6 ;*)&$# $ / (, /#(#$6&' 6(#6&'6&*# )(#=6&' ) ,6/(),%&) %&*&6$(#. P)# $6# # #* (, & &/, (&&/,7# (6# ,/%6(&% & $#(#)
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Sl. 12. Pumpa s vanjskim djelovanjem ' principijelna shema3 1 ' stator! 2 ' ekscentrini(koljeniasti rotor! # ' klip
4.4 R!0*a#a *m#
Z# ()*#%&) / ,(&/ '#6&+,&7 '&$(#)*&+,& &*& *,(6&+,& ()*#(&. P(# ()*&(#6*&+&6& (#*&,)) /:
#@ R)*#(& (,#>@ R)*#(& (&&/,#%@ R)*#(& /6#
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Sl. 1#. ( ,(#6) #,&' %&*&6$#(# #*#) / *&,& (%&. A, / #,
,(#6 /#() /6# )7 (>6 /) & ) *&, ,##%.Z# / >(& '$ (/ >#*# ( '$#7 # # )66
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*#6 %&*&6$(# / # (& ,(&/ 6(#6& 6&*& / '&$(#)*&+,& $>*,&(#67 .6&*& # )66 .G*#6& %&*&6$#( )6& / /# / $6 /(#67 $, $()# #6# /#/;(/,& (#, ?$6(#$6& %&*&6$#(@.
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)66 & #/>6 /(6&,# # )66 /86 &6#$ *#6 6&*#. K#$ #*# (/6#*6 6# &(#$#,7
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Sl. 1-.
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Sl. 10. Skica plat%orme $a podi$anje
5.3 Pa)=/%ma &a /#&a'!
P*#;(# / $&B
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Sl. 14.
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P6)#&,# & '&$(#)*&,# +/ / 6#) #$6&+,& &6 ;*)&$&,#. !*)&$&,# / >#&/&/ # (6/ 6(& &&*& /&6#*# ) (#$6 ;*)&$#. Z#$#%& 6)#/, &*&'&$(#)*&+, /&/# ) ),*)+& (#(#7 (6/ & )(#*#6 6(&.
P6)#&,# ,# (#$6& $& ,(&/& /*#+&& ;*)&$ - *&67 6#+8*
6#$6##6#7 /,(>) $7 >(#6 &$.
H&$(#)*&+,& /&/& ) 6#*6&& ( /6# $&6&%& #/. T#,=( /) (#$6&(&&/%&& &/,& #, $# / '&$(#)*&+,& /&/& &&+6 ,(&/ ) /*)+# ,#$# (>6#*&,# /6## &&*& *&,# /&*#. N/*#+&& $& '&$(#)*&+,&' /&/# )
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