rokovi 2 tsu

7/30/2019 Rokovi 2 TSU

1/55

-

-

2007/2008

: _______________________________

: _______________________________

:

02.10.2008. :

1 :

:

m = 2000 [kg] ; Zzp = 16677 [N] ; hc = 0,6 [m] ; lp = 1,5 [m] ; l = 2 [m].

= 10 [] (cos = 1),

, :

f = 0,017; = 0,6 ; Xp = 0 .

:

) ,) ,

) ?


2/55


3/55

2 :

:

- m = 1000 [kg]; rd = 0,35[m] ; Jtp = 8 [kgm2] ; a = 2,0 [m/s2] ; f = 0,02 ;

.

:

) ( )) Fo

,

?) /

?

: , ...

_______________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________


4/55

: ____________

: __________

: ,

______________________________________

: 1


5/55


6/55


7/55

: 2

:

: 22.09.2008. ,

...


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-

-

2007/2008

: _______________________________ : _______________________________

:

23.10.2008.

1 :

mt ( )

.

:

) Mot ,

RM, ,

) Motmin, RM = 0,


9/55

) Mot ,

?

:

- mt = 1000 [kg] ; RM = 2000 [N] ; rd = 0,3 [m]; =0,6 ; f = 0,02; g = 9,81

[m/s2]


10/55

2 :

v = 11,1 [m/s]

Po = 54 [kW]. u = 10780

[kg], [ ]22678,2 = mNsAK . f = 0,015 u = 0 %.

:

) ? ( 1= g = 9,81[m/s2] )?

)

vv = 10[m/s] o

1 ?

: . , ...

____________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________


11/55

: ____________

: __________

: ,

______________________________________


12/55

: 1


13/55

: 2

:

: 15.10.2008. ,

..


14/55

-

-

2007/2008

: _______________________________ : _______________________________

:

07.11.2008.

1 :

[ ]kgMU 14000= , [ ]223 = mNsAK , [ ]smv /16=

[ ]st 20= . %3=u .


15/55

:

) [ ]smv /0= [ ]smv /16= .

) S v ?) ,

92,0=P , 02,0=f .


16/55

2 :

(mp mz) (

0= ) 303 ! 20 [m/s]

[ ] [ ] [ ] [ ] [ ] akomhkgmmrmlml cdp ,6,0,1825,33,0;8,2,46,1 ===== [ ] [ ] [ ].230,0318,0;07,1 kNiRNRkNR vfu === ?

: . , ...

____________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________


17/55

: ____________

: __________

: ,

______________________________________


18/55

: 1


19/55

: 2


20/55


21/55

: 04.11.2008.

:

. ,

...


22/55

- , ,

,

2008/2009

: _______________________________

: _______________________________

:

29.01.2009. :

1 :

-

m.max = 305 [Nm]. Rm = 111 [mm]

b = 5,71 [cm]. 480 [N]. ,

?


23/55


24/55

:

- : = 0,25- : =2- : pdop = 14 [Pa]


25/55

2 :

(f = 0,02 = 330'),

,

m = 1825 [kg] 17,7 [m/s] Fo = 2120 [N], a K = 0,25[Ns2m], A = 2,3 [m2].

: . , ...

____________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________

: ____________

: __________


26/55

: ,

______________________________________


27/55

: 1

[ ]21

1

1

03,398

71,514,31,112

2

cmA

A

bRA m

=

==

[ ]

[ ]cmD

bRD

cmD

bRD

i

mi

S

ms

49,16

71,51,1122

91,27

71,51,1122

===

=+=+=

:

[ ]mmDs 280= [ ]mmDi 165=

:

( ) ( ) [ ]22222 4005,1628

4

14,3

4cmADDA iisi ===

:

[ ]NF

pAF

A

dopiA

5600

14400

=

== [ ]kNFA 6,5=

:

[ ]NmM

MM

s

ms

610

3052

max.

max.max.

===

:

[ ]NF

R

MFRFM

R

m

s

RmRs

5,5495

111,0

610max.max.

=

===

:

.

925,3

560025,0

5,5495

=

=

==

i

F

FiFiF

a

R

aR

4=i


28/55

:

22

4

2===

in

:

6,11480

5600

1

1 =====z

AAzz

F

FzFzFF 12=z

: 2

:

080,0

061,0998,002,0

998,0cos061,0sin303

sincos

=+=

===+=

f

:

[ ] [ ]kNRNR

gmR

43,11432

81,9182508,0

==

==

:

[ ]kWP

vRP

34,25

1000

7,171432

=

==

:

1083,0

17903

86,1939

17903

14,1802120

81,91825

7,173,225,0212022

==

=

=

=

=D

gm

vAkF

G

RFD ovo


29/55

: . ,

...

: 27.01.2009.


30/55

-

2007/2008

: _______________________________

: _______________________________

:

- 05.12.2007. :

1 :

Ms = m s =900 [kg] : 5 65 [kg] 40 [kg]

, 0,55 .

.


31/55

:

- .

2 :

:

- Ms = ms = 1120 [kg],

- Mk = mk= 280 [kg]

- Pe = 21,2 [kW]

- tr= 0,89- v = 25 [m/s]

- f = 0,021


32/55

:

- AK

w [Ns2

m

-2

]Kw [Ns

2m-4] , A [m2]

: , ..._________________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________

: ____________

: __________

: ,

______________________________________

: 1


33/55

: G = m x g = ( ms + 5 x mp + mprt ) x g = ( 900 + 5x65 + 40 ) x 10 = 1265

x 10= G = 12650 [N]

: Gtz = 0,55 x2G = 0,55 x

212650 =

25,6957 = 3478, 75 [N]

: Gtp = 0,45 x

[ ]NG

25,28462

5,5692

2

1265045,0

2===


34/55

: 2

:

[ ]kWP

P TOe

= ; [ ]kWvRPTO =

[ ]NRRRRR iWuf +++= ; 0uR ; 0iR

wf RRR +=

( ) fgmmR tervozf += = ( ) =+ 021,0102801120 294 [N ]

( ) 22 vAKvvAKR wwww ==

vRRP wfTO += ; eTO PP =

3294 vAKvP we += ; :

325252942120089,0 += AKw

15625735018868 = AKw

[ ]22737152,015625

11518 == mNsAKw

= AKw 0,737152 [Ns2m-2 ]

: ,

...

: 01.12.2007.


35/55

-

2007/2008

: _______________________________

: _______________________________

:

- 10.04.2008. :

1 :

,

, 19,6 [ ]sm /

[ ]kWPo 3,96= . [ ]kgMu 13750= ,

[ ]2244,4 = mNsAK . 02,0=f .

:

- ( )!M

%0=u ;- %15=u

( tg== sin;1cos ). 1.


36/55

2 :

( = 0)

:

mp = 732 kg i mz = 1068 kg.

DREDITI :

- lp lz, l = 3m,- 25 %, Zp Zz

, hc = 0,75m ?


37/55

: , ...

_________________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________

: ____________

: __________

: ,

______________________________________

: 1


38/55

: 2


39/55


40/55

: ,

...

: 08.04.2008.


41/55

-

2007/2008

: _______________________________ : _______________________________

:

- 31.01.2008. :

1 :

:

- m = 1000 [kg]- rd = 0,35

- Jt = 7,848 [Nms2]

- a = 2,0 [m/s2]- f = 0,02.


42/55

:) ( ) ?

) F

?

)

?

2 :

,

:- mt

- mn- l

- lp

- hc- hcn

- ln

:

1. v = const,

?


43/55

2. -, (

).

: , ..._________________________________________

1 : 30 ; : __________

2 : 30 ; : __________

___________

: ____________

: __________

: ,

______________________________________

: 1

a) ( ) (

) .

[ ]Nd

dJ

rmR

t

v

t

d

a 26,2256213,112821225,0

696,1510002848,7

35,0

21000

12

22==

+=

+=

+=

)

[ ]NRmgfRRF aafo 46,245226,22562,19626,225602,081,91000 =+=+=+=+=

) ( ,

, .)

.


44/55


45/55

: 2

1.

0= OFM

( )[ ]cnnnncpM hGllGhGlGl

Z ++++= sincossincos1

( )[ ]cnazaaM hGllGl

Z += sincos1

MaMnF ZGZGGZ =+= coscoscos

na GGG +=

2. -

0= OMM


46/55

( )

( )cnncan

nncca

nnz

an

nnz

za

cnnccaa

nnzzaa

hGhGGGG

lGhGh

lGlGGGG

lGlGl

hGhGhG

lGlGlG

=+

=

=+

=

==

1

1

sinsinsin

coscoscos

: ,

...

: 25.01.2008.

:

: 2007/2008

: ________________________

: __________________________

:

11.10 .2008.

1. :

?

:

- Q = 25[t]- Gms = 300 [KN]- Gko = 100 [KN]


47/55

- L = 25 [m]- =

3[m]

- pdoz= 7,5 [N/mm2]- k1 = 1,0

- k2 = 0,94- k3 = 1,0- b = 65 [mm]- r = 6 [mm]

:

. ,

...


48/55

:

:

( ) ( )

( ) ( ) ( ) ( )

[ ]

( )

( ) ( )

[ ]KNF

eGGL

GL

F

eGGL

GLF

M

KNF

LGeLGG

LF

LGeLGGLF

M

B

kotmoB

kotmoB

B

A

mokotA

mokotA

A

192

31002502

25300

25

1

2

1

02

0

4582

25300325100250

25

1

2

1

02

;0

=

++=

++=

=+

=

=

++=

++=

=+

=

:

[ ];2292

458

2max KN

FF A === [ ]KN

FF B 96

2

192

2min === ;

( ) :

3

2 maxmin FFF

+= , I = 109 . 193

[ ]KNF 66,1843

554

3

229296==

+=

:

( )rbkkkpF

Ddoz

T

=

2321

; I = 113 ; . 196


49/55

( )[ ] =

= mmD

T20,494

6265194,00,15,7

1066,1843

[ ]mmDT 500= :

. ,

..


50/55

:

: 2007/2008

: ________________________

: __________________________

:

05.05.2008.

1. :

Q = 2,0 [t]. .

. .

: a = 3 [m]; h = 2,5 [m]; 1==d

l ; 2,0==

d

do ;

- = 0,1

- [ ]MPapdoz 128 = .

: ( C ), .

G.


51/55

:

: ,

...


52/55

- , ,

,

2008/2009

: _______________________________

: _______________________________

:

01.04.2009. :

1 :

FAP 1616 B ( ) 2F 116A 118[kW]. , SP 1.38.70.3

. () :

1 = 800 mm, 2 = 220 mm, b1 = 120 mm, b2 = 60 mm.

F = 2700 [ ]N

1F = ?


53/55

. 1. ( )

2 :

, ,

() () Fc = 63 [KN].

:- p = 0,2 [MPa]

- Qv = 1,55[l/min]- () z

=1, m = 0,97, KK p = 0,8.

- D = 125 [mm], d = 63[mm]. Qv = 12 [l/min].

.


54/55


55/55

[ ]NF 50003 = -

[ ]NF

F

457,110

04091,02700176000

72002700

220800

601202700

1

1

=

===

=

100-150 [N]

: 2

Vkl:

[ ]min/78,914,325,1

124422

dmD

QV vkl =

=

=

[ ]smVkl /0163,0=

cQ :

( ) ( ) [ ]min/95,81

78,963,025,1

4

14,3

4

2222l

VdDQ

z

kl

c ===

- pQ :

[ ]min/5,1055,195,8 lQQQ vcp =+=+=

ckp :

( ) ( )[ ]Pa

dD

Fp

m

c

ck

6

22

3

22101,7

97,0063,0125,014,3

106344=

=

=

() pp :

[ ]

[ ]MPap

Pappp

p

ckp

3,7

103,7102,0101,7666

=

=+=+=

: . ,

...

rokovi 2 tsu

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