May Nghien Bi

7/23/2019 May Nghien Bi

1/90

t

I HC QUC GIA TP.H CH MINH

TRNG I HC BCH KHOA TP.HCM

Khoa Cn Nh! "#$ %&!'

N M(N HCTHI)T K) M* NGHI+N BI GIN ON NGHI+N

,-NG CHN /0 12N 13NG N4NG /U5T 6 TRI7UCHN8N4M

GVHD:

Thy:T./ PHM TRUNG KI9N

B mn Silicat

SVTH:

Trn Th Thu Trang V1103740

122014


2/90

%I N:I ;U

!" #inh $i%n &h'a cng ngh( $)t li(u thuc * mn #ilicat+ $i(c n,m$-ng &i.n th/c $ tnh cht+ ui trnh 56 #n 8ut ra $)t li(u l" mt5iu c9 *n+ *%n cnh 5; &i.n th/c $ cc $> ch' u thuc:

!c li%n &.t gi-a c


8/90

$)t li(u 5)= nghin #n =hm

$)t li(u 5)= nghin #n =hm

#n =hm

$)t li(u bh{n l'i

Yi #"n

#n =hm

Tr%n #"n5)= nghin #n =hm

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>

GVHD: TS bhm Trung Ui%n

SVTH: Trn Th Thu Trang V1103740

$%$%'% Phn loi theo chu trnh v phng phpnghin:

! Phn loi theo chu trnh lm vic: !"m $i(c th' chu trnh h: &hng c; kng hi lu

!"m $i(c th' chu trnh &n: c; kng hi lu

"# $heo phng php nghin:Nh&n =h

(u !i)m:

V)t li(u #au &hi nghin &hng cn #y li

I; th6 &.t h= u< trnh nghin $" #y

Khu*t !i)m:

[ Ti%u tXn nhiu nng lng[ Sinh ra *>i[ In lc nghin lYn[ D' lc ma #


9/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



(u !i)m:

[ Uhng #inh ra *>i[ Ti%u tXn nng lng t h9n nh c; nYc ln $"' c


10/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



`c =h


11/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



CH-NG Y. GIdI THI7U "+ NGU*9N %I7U

Y.. CC TNH CH5T C- BeN C\A "]T %I7U NGHI+N

211 Ln` c/ng l" mt thng #X uan tr@ng tr'ng u< trnh 5)= nghin+

n; giE= ta la ch@n $)t li(u l"m *i 5n $" tm l;t thch h= y%u cu5 c/ng csa *i nghin $" tm l;t =hi *|ng nhau $" lYn h9n 5 c/nglYn nht csa $)t li(u cn nghin

Hi(n nay 5 c/ng thng 5c 5' *|ng thang W'h# gm 10 *)c$Yi 10 $)t li(u chun 5c 8,= th' th/ t t c/ng tYi mn

Ln

"#$ ^&!'h'fn

10

7

Z

Uim c9ng

Sa==hir

T'=a

Muat

Tr"ng thch

O=atit


12/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



4

32

1

l'rit

IancitThch ca'

Talt

212 &gn`c trng ch' &h nng * =h< hu Yi tng $a 5)= csa $)t

li(u a $"' #X ln $a 5)= cn thi.t 56 =h< hu $)t li(u ngi ta

chia th"nh c


13/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Cm2

Wm +1 10

Thch ca'+ than 5



0 $ nh1n th2% ct l ngu%/n liu c3 45 c6ng co nh2t trongcc ngu%/n liu c7n nghin8 t ph9i tm "i nghin v t2m l3tc3 45 c6ng ln hn ;!

CH-NG . GIdI THI7U "+ M* NGHI+N BI GIN ON

.. M* NGHI+N BI GIN ON

311 G&& $h&!' D ^XiW


18/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



5ng c9 truyn 5ng ua 5ai hay ua h= gim tXc tYi * ly h= $"c= *


19/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



[ Ti%u tXn nng lng lYn $ cuXi chu & chd ckn mt* #X tht cha 5t &ch thYc y%u cu m


20/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



`6 5m *' ch' thng 5c c{n *|ng+ trc ta =hi c; mt 5Xi tr@ng tr%n th{n thng $ tr5Xi 8/ng $Yi ca n= li(u

. TE> ^y$ b & nh&nB mt tr'ng csa thng nghin chu tng csa lc $a 5)= $"

ch" 8


21/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



H"m lng #,t tuy c; nhng t+ &hng l"m nh hng 5.n m"u #,ccsa #n =hm+ c; th6 ch= nh)n 5c

Tm l;t:tm l;t tr'ng m


22/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Cch ghp gch l;t vo thn th,ng

17


23/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



B mt csa gch l;t c; th6 c; nhiu hnh ng &h


24/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



>"t ?@ !6ng A5nh #i tr7n thB tr6ng

.Y. %[THU*)T TNH TON

321 %Xin & nh&n nk bo >?@Th' &hXi lng ri%ng csa *i nghin ta =h{n th"nh 3 l'i *i nghin

nh #au:

Bi nghin c; &hXi lng ri%ng th= 24 2Z gcm3: *i #/+ #ilici'8yt thng

Bi nghin c; &hXi lng ri%ng trung *nh 2 27 gcm3: *i#tatit+ #/ ch/a nhiu alumin

Bi nghin c; &hXi lng ri%ng ca' 34 3Z gcm3: *i aluminng 5< tE= $" alu*it

V)t li(u c; &hXi lng ri%ng c"ng lYn th 5ng nng ' n; #inh rac?ng lYn th'+ t


25/90

1

23

Bi c; tr@ng lng ri%ng th=

Bi c; tr@ng lng ri%ng trung *nhBi c; tr@ng lng ri%ng ca'

Uch thYc ht

Thi gian nghin

t1

t2

t3

B52mXi li%n h( gi-a tr@ng lng ri%ng *i $Yi thi gian nghin

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



T 5 th ta nh)n thy &hi nghin 5.n cng mt &ch thYc ht th$Yi:

1 2 3

t1 t2 t3

V)y $Yi c


26/90

V*iVthng

Thi gian nghin

14 13 12 23 34B53mXi uan h( gi-a th6 tch *i $" thi gian nghin

R

r

Z

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



G;c &=:G;c &= l" g;c &= *i 2 ti.= tuy.n

ti 2 5i6m ti.= 8Ec gi-a c


27/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



bh{n *X *i tr'ng thng nghin:`6 hi(u u nghin tXt nht ta =hi tng 5i6m ti.= 8Ec gi-a c


28/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



322 TS V'a@ pa $hqn nh&nUhi m


29/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



24


30/90

Bi trt tr%n th"nh thngIhd c; lc m"i 8i.t+Uhng c; lc $a 5)=

Bi chuy6n 5ng cng $Yi thng+ ' lc ly t{m lYn h9n tr@ng lngMu< trnh 5)= nghin &hng 8y ra

Bi chuy6n 5ng ng th



Cc ch !" chu*)n !"ng c83 v0t liu trong th,ng nghin

Ta c; th6 nh)n thy ch. 5 chuy6n 5ng hi(u u nht l" chuy6n5ng ng th


31/90

R2

R1

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



v gR=

Z

\V

RngR

=

WVthn

R=

Uhi thng uay $Yi $)n tXc tYi hn n"y th chd c; nh-ng $i%n *i lY=

ng'"i cng mYi uay th' m


32/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



( )

m5xY

Z U U

U

WV WV WV U WV

U

U

nR kR R

R

= = = =

Uhi 5; $)n tXc 56 t'"n * *i 5u uay th' thng # *|ng:

m5xZY U

thnn

=

VYi l" h( #X ch/a *i 5n

V)y #X $kng uay thch h= ch' m

thuc $"' #X $kng uay $" * mt tm l;t

Uhi $i%n *i l%n 5.n 5i6m ri O th lc ly t{m T # c{n *|ng $Yith"nh =hn hYng t{m G1csa tr@ng lng G

UT G=

Z

`cos cosmv

G mgR

= =

Zcosv Rg =

W"WV

Rnv =

C%n

Z Z Z

Z cos

WV

R nRg

=

REt ra

WVcos

gn

R

=

27


33/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



V

g

n%n

WVcosn

R =

V)y n l" #X $kng uay csa thng 56 $i%n *i lY= c; *


34/90

thi gian nghin

$)n tXc uay

tmin

n

B51thi gian nghin $" $)n tXc uay

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



323 %Xin #$ ^&!' nk!ng $)t li(u n= $"' *ung nghin t nht =hi =hs &n 5c

t'"n * c


35/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



CH-NG . TNH TON THI)T K) M* NGHI+N BI GINON NGHI+N ,-NG CHN /0 N4NG /U5T 6 TRI7UCHN8N4M.

.. TNH C2N BNG "]T CH5T

411 n hS& ^&!'

Cguy%n li(u

q8itWU

CTn

g

Siq2Ol2q

3U2q

Ca2q

Iaq

Wgq

2q3

Tiq2

`t #At TrEc

Thn

Z2

23

30104

010

04

11707

733100

Ia' lanhB' !c

47

3420

0302

00

00

100

122100

Tr"ng thch`" Cng

77

1

1110

24

02Z

00

00 0 0Z1100

I


36/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



I


37/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



N'@n &!' Thbnh hn MKN

`t #At 2Z 733Ia' lanh 1Z 122

Tr"ng thch 30 0Z1

I


38/90

Cguy{n liu

!@c A= &hung *ng

M?@ nh&n & X$ &?n okn

T' hnh '

W


39/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



413 Bln $jnh n n #$ hE$

Ing 5'n

`m

Ha'h>t

Hilu

UhXi lng nguy%n li(u UhXi lng hi lu

Cng #uttri(u chAn

Uhtn

JYttn

Uhtn

JYttn

Th"nh =hn 0 0 0 1200 1200 0 0

Ui6m tra 0 2 0 12 1224 1224 0 0

H= m"u 0 0 0 12 1224 1224 0 0

Trang tr 0 1 0 112 12324 12324 0 0

Cung ln 2 30 Z 0 402 120Z2 1Z43 0 0

Tr


40/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



I{n 4 4 030417427

31034

ZZ17300330

7Z700Z4

7221307

0

Cch t'nh:

Cng #ut tri(u chAn nmgm c


41/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



UhXi lng &h =hi nghin :w}6.}w6w} tnnm

UhXi lng Yt =hi nghin :}.}Ytnnm

Wt nm l"m $i(c 300 ng"y+ mt ng"y l"m 1 ca 14 ti.ng+ 2 m+ 2m


42/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



.. THNG NGHI+N

431 Kjh $hX $hqn nh&nCng #ut m


43/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Tnh th6 tch thng trn $)t li(u :

Th6 tch $)t li(u :Ta c;: cng th/c Sacmi ng ch' m


44/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



4 $=3

4%t1.7'

=3

410.29

1.7' =1.975)2 (m)

Ih@n D 2 m 1=1.72=3.4 (m )

V)y `ng &nh tr'ng thng nghin D 2 m

Ihiu "i thng nghin ! 34 m

Th6 tch thng nghin thc t. :

m(3)

%tt=' $

2 1

4=

' 223.4

4=10.68

Ch& 45 np "i nghin:Tr@ng lng *i 5n n= $"' thng nghin =h> thuc $"' l'i *i 5n+$)t li(u l"m *i 5n+ h( #X 5 5y+ h( #X rng *i 5n

Tr@ng lng csa *i nghin 5c tnh nh #au:56i=' R

2 107 (T)

Tr'ng 5; : R : *


45/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Tng th6 tch *i nghin :

%6i=56i

6i=12.06

3.57=3.38(m3)

Ta c;: Vh V*i7 33 1027 m3

`6 m ^y$

Item Name Length(mm

)

Height (mm) Width

a (mm)

Width

i (mm)A 3:ctangula

, b,ick150 50 60 70 50

B (a)*R+ctang,)ar

brick

X_ _V \V XV _V

C ;a$$:,b,ick

150 50 60 70 50 45

D Thin brick U_V _V \V XV Z_ ZZE (a)* )add+r

brick

X_ _V \V XV _V Y_

40


46/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Cc th1ng ?@ AH thu0t c83 m"t loi tIm l;t%

Gch $kng th{n:Ih@n l'i gch hnh cn c;:

! 1Z0 mm+ H 0 mm+ 1 Z0 mm+ 2 4Z mm

Ihu $i mt tr'ng thng:C='$=' 2=6.283 m

Ta tnh 5c:

SX gch tr%n 1 $kng:

nC=C 10

3

45=

6.283103

45=139.626)140(v i9n)

SX gch th' chiu "i:

nl=1

l=

3.41000

150=22.6)23(vi9n)

Tng #X gch $kng th{n *|ng:

nt=n" nl=14023=3220(v i 9 n)

Gch l;t mt 5


47/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Ih@n gch ch- nh)t c; !H 1Z00Z0

Di(n tch mt*%n:

S2=' $

2

4=

' 22

4=3.14 (m2)

SX gch cn tr%n 1 mt 5


48/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



V)y %g=12.4310.68=1.74 m3

Tr@ng lng lY= gch l;t: c =hn &huy.t

5g=g %g=3.571.75=6.22(tn)

433 B& nh&n Tng &hXi lng *i nghin :

56i=6i %6i=3.573.38=12.05 ( tn )

Uch thYc *i nghin th' !%$n8'n?A

( )

W

W

Za

b Za \ _V mm

bi v) D d=

J.i dvl l A5ch th.c trung #nh c83 v0t liu np vo m* dvl G L mm

Tr'ng 5; c; :

Uhi n= *i $"' mt ' * m"i mkn #au &hinghin

43


49/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Wi l'i c; &hXi lng $" #X lng nh #au:

M6ng A5nh #iNmmO

D 'D LD

Ph=n trm NEO 2Z Z0 2Z+rQng l-ng $

vi7n NAgO

m=(' 23

6) 6i

00Z 0234 0404

Kh@i l-ng

chim NAgO

3013 027 3013

R@ l-ng Nvi7nO Z73 2Z0 747

434 " $h Thng thng chiu "y $ thA= 001 01ZD?A

D l" 5ng &nh tr'ng csa thng nghin

Ta ch@n :;=0.015 $=0.01552=0.03 (m )

Ih@n $)t li(u l"m $ thng l" thA= h= &im 40HWO?A

chy Z0 Cmm2

*n 1000 Cmm2

thA= 77 &gm3

Ta # 5Ec th{n thng ri%ng #au 5; h"n th{n thng $Yi 2 mt 5


50/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Th6 tch ng'"i csa $ thA=:

%+t='[$+2 ( g+t) ]

2

4 [1+2 (g+t)]=

'[2+2(0.06+0.03) ]24

[3.4+2(0.06+0.03) ]=13.36(m3)

VYit

m l" chiu "y lY= $ thA=

Th6 tch csa t'"n lY= thA=: tr =hn c tr>c

%t=%+t+%=13.3612.42=0.94 m3

Tr@ng lng csa $ thA=: c =hn &huy.t

5t=t%t=7.870.93=7.37 ( tn )

`ng &nh ng'"i csa th{n thng l":

$+t=$+2 (g+t)=2000+2 (60+30 )=2180 (mm)=2.18 (m )

43Z Ca b S& $Fn

! ra $"' &ch thYc 008Z00 mm

Ia tr%n th{n thng gm c;: n,= $in thA=

Vin: 8m n; gn nh n|m tr%n mt =hng

%v=(740640640540) 20+ (640540600500 )30=3.928106 (mm3 )=3.93(2m3)

5v=7.873.93=30.91((g)

C,=:

C,= gm c; gch l;t $" thA=:

Gch: 5g=g (p < ;g )=3.57650.6

64.26((g)

ThA=:4Z


51/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



2030 (500+600 )=10,57106 (mm3 )=10.57(2m3)%t=(50060030)+ (640540600500)20+

5t=7,8710,57=83.2((g)

V)y tr@ng lng t'"n ca l":

5"=30.91+64.26+83.20=178.35 ((g)

Tr@ng lng =hn &huy.t:

( t pc: Ih@n l=4

#=4

0.2

=0.8

(m)

Th6 tch c tr>c : %"t=' #2l=' 0.22 0.8=0.1(m3)

Th6 tch mt *t :

%m6=' lm6 #2=' 0.020.62=0.023(m3)

Th6 tch csa c tr>c $" mt *t :

%=%"t+%m6=0.1+0.023=0.123(m3)

4


52/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Tr@ng lng 2 c tr>c $" mt *t : 5"t=2% th& p=20.1237.87

1.94 (T)=1940 ((g )

VYi &ch thYc csa c tr>c ta ch@n l'i *i 00W

TFon ^Xin pa $obn $hqn nh&n > l & nh&n b#$ ^&!'

5=56i+5vl+5g+5t+25-t+5"t

12050+6000+6220+7372+2 43.28+1940

33668.56 ((g )=33.669(t n )

.. $DEF $GHE CFIJE LMEN CO QHJ:

441 H! DS @Ta # tnh h( #X 5 5y *i 5n th' cng th/c #X 2:

47

0= 56i

' R217

VYi G*i 1024 tn

R 0Z m

! 32 m 3Z7

tnm3 h( #X rng

ch' 0Z7Z


53/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



V)y h( #X 5 5y # *|ng:

0= 12.05' 1

23.40.5753.57

=0.55

442 "#n $S $hqn V'a@

SX $kng uay tYi hn:

nt h=30

R=

30

1=30( v=ngp h> t)

SX $kng uay 56 *i ly t{m h'"n t'"n:

nmax= n t h4

10=

304

10.55=36.63(v = ngp h > t)

SX $kng uay thch h=:

4


54/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



N=32

$=

32

2=22.63(v= ngph> t)

SX $kng uay c; 8At 5.n h( #X 5 5y 0 :

n= 8

$(5 0+2 )= 8

2 (50.55+2)=26.87( v=ngp h> t)

V)y ta # ch@n tXc 5 uay ch' m


55/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Ihu & chuy6n 5ng csa *i l" mt 5ng &hA= &nh gm c; u 5'trkn &hi *i ua th' thng $" u 5' =ara*'l &hi *i r9i

Thi gian *i 5i th' u 5' trkn:

Zc nt t

=

VYi l" g;c r9i csa *i Z4' 042Z ra

tnl" thi gian thng uay 5c mt $kng

U U

ZWnt n

= =

=hEt

\VZ.\V

ZWnt = =

#

V)y thi gian *i 5i th' u 5' trkn *|ng:

t"='20.9425

' 60

23=1.04 ( s )

Thi gian *i th' u 5' =ara*'l:

sinZ. nt t

=

tp=sin 2(54@)

'

60

23=0.79 (s )

Thi gian mt chu & chuy6n 5ng csa $i%n *i:

T=t"+tp=1.04+0.79=1.83 ( s )

SX chu & *i thc hi(n 5c #au &hi thng uay 5c mt $kng:

C=tn

T

=

60

23

1.83

=1.423 ( v = n g )

Z0


56/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



. /S ^Xin & $Fn V' ko $Fgn b aFao^bhn trm *i tr%n u 5' trkn:

( )

Zd UVVd

Z sin ZcN

=

+

N"= '20.9425

( '20.9425 )+sin (254@)100=57

bhn trm *i tr%n u 5' =ara*'l:

( )

sinZd UVVd

Z sin Z.N

=

+

Np= siin (254@ )

( '20.9425 )+sin (254@ )100=43.099

Ta # ng Cc Z7 56 tnh ch' c


57/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



VYi bhn trm tr'ng lng $)t li(u $" *i uay th' thng Z7 0Z7

G*i Tr@ng lng csa *i nghin c; tr'ng m


58/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



G;c 30 4 54@=144@ 2Z1 ra

% y' :#=0.852sin(

144@

2)

2.51

2

=0.645

G;c 0'

V)y a=0.645 #in 60@=0.559

IuXi cng ta tm 5c gi< tr csa $:

v=' 0.55923

30=1.345( ms)

Ta tnh 5c cng #ut ti%u ha' 56 nghin $)t li(u:

Nn=0.57

9.81

(12050

+6000

)1.345

1000 =135.77 ((:)

4Z2 Cn D'E$ $&' hao ~ $hn >a D?$ t Nms

. .

UVVV

cm/

* 0 vN =

&

VYi h( #X ma #


59/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



n #X $kng uay csa thng nghin

n 23 $kng=hEt

V)y v"=' 230.2

30=0.481( ms)

btng ti tr'ng tng l%n gXi 5

( ) ( )Z Z

cos sin)t )t 0 G 1 0 0 = + + +

G tr@ng lng csa *n th{n thng

G 1Z1337 &g 1Z321441 C

M tr@ng lng *i $" $)t li(u uay th' thng

M 0ZZG*i G$l 0ZZ 120Z0000 2

&g

7407 C

blt lc ly t{m ' ti tr@ng *i g{y n%n

Z. .

VV

2)t

1 R n0 =

B=97406.780.85223

2

900=48780.018 (N)

g;c t' *i blt$" tr>c thng 5/ng csa 5ng &nhthng

0'

Z4


60/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



60@

153216.4419+97406,78+48780.018cos ()

2+(48780.018 sin (60@))2

B=

V)y cng ti%u ha' 56 th,ng ma #


61/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



H( thXng truyn 5ng tr'ng m


62/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



`ai rng Truyn 5ng gi-acc chA' nhau:* chA'h'c *


63/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



gim =hn n"' tr@ng lng thng n%n ta # # >ng {y 5ai 56truyn ng

Truyn 5ng {y 5ai gim giE= gi< th"nh 5u t *an 5u+ thu)nti(n ch' $i(c thay th. #a ch-a+ &hng l"m gi


64/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



T%n m


65/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Td #X truyn csa t'"n h( thXng:+=+6#1 +6#2+2t=42.83

Ih@n h= gim tXc * rng thng 2 c= c; td #X truyn u*r 1 ?WA

+2t=42.83

16=2.677

SX $kng uay csa cc:

nD=n- "=985( v = n gp h> t)

nDD=nD

+6#1=

985

4=246.25(

v=ng

ph>t)

nDDD=nDD

+6# 2=

246.25

4=61.5625(v= ngph>t)

nD%=n=

nDDD

+2t=61.5625

2.677 =23(v=ng

ph> t)

Ing #ut tr%n tr>c mc :

0


66/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



BDDDBD%

E2tEl=

135.77

0.950.99=144.36 ((:)

Ing #ut tr%n tr>c :

BDD= BDDD

El E6#=

144.36

0.990.95=153.49 ((:)

Ing #ut tr%n tr>c 5ng c9:

BD=B- "= BDD

El E6#=

153.49

0.990.95=163.20 (:

W'mnt 8',n T tr%n cc:

TD=9.55106B

D

nD=9.55106163.20

985=1582327.273(Nmm)

TDD=9.55106

BDD

nDD=9.55106

153.49

246.25=5952715.202(Nmm)

TDDD=9.55106

BDDD

nDDD=9.55106

144.36

61.5625=22394114.59(Nmm)

TD%=9.55106

BD%

nD%=9.55106135.77

22.99=56374292.93 (Nmm)

1


67/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



?@nh&n &x

Cn D'E$Pt=x

1320 1Z34 1443 13Z77

Tc DS $F'@n N*r1 4 N*r2 4 N5t 277/S gnV'a@ t8hx

Z 242Z 1Z2Z 23

Mo>n$on TtN>>x

1582327.273 5952715.202 22394114.59 56374292.93

42 H &l> $STa # >ng h= gim tXc * rng thng 2 c= c; t #Xtruyn tng l" 1Tr'ng h= gim tXc c; 2 c= * rngthng

>"t ?@ loi #nh rng tr rng thUng

C $hL nhE$

S= liu "n 47u:Ing #ut $"': 1320 &

2

TF

Thn


68/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



SX $kng uay: Z $=

T #X truyn: u 4

W'mnt 8',n: T 1582327.273 Cmm

ChYn v1t liu v phng php nhit lu%n:

Ih@n $)t li(u l" thp VDCr5c ti ci thi(n ' *


69/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Uh'ng cc csa * truyn *


70/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



21=I

1m=335=165 (mm )

22=I2m=1325=660(mm)

`ng &nh $kng 5dnh:

2a1=21+2m=165+25=175 (mm)

2a2=22+2m=660+25=670(mm)

`ng &nh $kng ch{n:

2 i1=212.5m=1652.55=152.5 (mm )

2 i2=222.5m=6602.55=647.5(mm)

Uh'ng cc:

a=21+2

2

2=

165+6602

=412.5(mm)

B rng *


71/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



SX $kng uay: 242Z $=

T #X truyn: u 4W'mnt 8',n T ZZ271Z+202Cmm

ChYn v1t liu v phng php nhit lu%n :

Ih@n $)t li(u l" thA= 40Ir 5c ti ci thi(n ' *


72/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Uh'ng cc csa * truyn *


73/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Tnh li td #X truyn:

+6#=I

2

I1=

128

32=4

Uch thYc *


74/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



B rng *


75/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Thi.t &. * truyn 5ng 5ai thang c; td #X truyn u 277`ng &nh ng'"i csa thng nghin c; gi< tr D'ut 210 mm

`ng &nh *


76/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



v=' 2

1nDDD

60000=

' 90061.5625

60000=2.9(

m

s)

Wh0n thI* v0n t@c n* nXm trong v0n t@c 3n ton c83 !3i th3ngth6ng v Y &' NmZ?O%Ih= nh)n 1 00 mm

Kho9ng cch trc :

Ih@n #9 * &h'ng cc a+ ' u 242 n%n a 10Z2210Z2210 23mm

Ui6m tra 5iu &i(n &h'ng cc:?WA

2( 21+22 )J a J 0.55 (21+22 )+h

2 (900+2180 ) J a J0.55 (900+2180 )+23.5

6160 J aJ 1717.5

Tha mFn ch@n #9 *

$'nh chiu di ` theo X "5:

1=2a+'

2(21+22 )+

(2221)2

4 a =22366+

'

2 (900+2180 )+

(2180900)2

42366=9740.72(mm)

V)y chiu "i 5ai th' ti%u chun l" ! 10000 mm 10 m

`6 nXi {y 5ai ta tng ! t 100 400 $" th' ti%u chun

?WA

Ta ch@n !1000mm10m

Ki+m nghim 4i v tu-i thY:

71


77/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



i=v

l=

2.9

10=0.29(

1

s)

Ta nh{n thy i tha 5iu &i(n

m5x

UUVi i

/ =

$'nh li ,ho9ng cch trc :

a=1

'

(2

2+2

1

)2 +2

(1'2(22+21 ))

2

8(2

2

21

2 )2

4

(2180+900 )

10000'

2

28 (2180900

2 )2

10000'

2(2180+900 )+

V)y a 2Z00mm

$'nh g3c >m 4i:

?WAG;c m 1 tr%n *


78/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Th' 5iu &i(n ch' =hA=

U UZV '

Suy ra 1+ 2+ a tha mFn 5iu &i(n ch' =hA=

$'nh X= d% 4i:?WA

SX 5ai thang cn thi.t:

[ ] . . . . . .

III

2 , L 4 r v

05

0 6 6 6 6 6 6

+rong !;:

b 144+3 &

b' 1 &

I h( #X 8At 5.n nh hng csa g;c m 5ai:

C?=1.24(1e?

1

110 )=1.24(1e150.58

110 )=0.96

Iu h( #X 8At 5.n td #X truyn u?WA

Iu 114 ' u 2Z

I! h( #X 8At 5.n nh hng chiu "i {y 5ai:

C1=6

1

10=

6 1000010500=0.992

I h( #X 8At 5.n nh hng csa # =h{n *X &hng 5u ti tr@nggi-a c


79/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Ir h( #X 8At 5.n nh hng csa ti tr@ng:

Ir 0?WA

I$ h( #X nh hng $)n tXc:?WA

Cv=10.05 (0.01 v21 )=10.05 (0.012.921 )=1.046

SX 5ai thang cn thi.t:

I J 141.99

160.931.140.9920.90.91.046=9.79)10

K'ch thc "nh 4i:

Ihiu rng *


80/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



2a2=22+2h0=2180+28.3=2196.6 (mm )

$3m li Xu cbng t X chYn "5 4i hnh thng c3 cc th>ngX= t3m tt theo "9ng Xu:

`ng&nh *


81/90

P^$

G

P^$Y

P^$

Yw0

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



G@i bltl" lc ly t{m ' *i $" $)t li(u cng uay $Yi thng #inh ra?A

B=m v

2

# =

0.57 (56i+5 vl ) '2

#2

n2

900 #g

G*i 11243+2404C

G$l Z0 C

n 23 $=h

r 07Z0R 07Z m

V)y lc ly t{m *|ng:

B=0.56(118243.2404+58860) '2

0.75

2

23

2

9000.759.81=44726.62(N)

bh9ng csa lc ly t{m l" =h9ng t t{m thng 5.n t{m csa &hXi $)tli(u uay G;c t' *i =h9ng csa lc ly t{m $" =h9ng csa tr@nglc l" 0'

H= lc M gi-a lc ly t{m $" tr@ng lc g{y n%n lc uXn th{n thng

Z Z

Z Z

Z cos]UaV \V ^2 2)t )t

)t )t

1 G 0 G0

1 G 0 G0

= +

= + +

/=330319.68232+44726.622+330319.6823 44726.62=355((N)

7


82/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Ta c; 5c m'mn uXn tng l%n th{n thng:?A

.

a,

1 L7 =

VYi ! l" &h'ng c


83/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



V)y /ng #ut uXn # *|ng:?A

+= M+

0.8:+=

189574.8278

0.80.297=796743.65(

N

m2)

Wmn 8',n tng l%n th{n thng:

?AMx=9740

N

n

J.i: W l c1ng ?uIt ti7u h3o cho m*% W G &DD A[

n l ?@ v\ng /u3* c83 th,ng% n G & vZp

Mx=9740200

23=84695.65217 (N .m)

Wmn chXng 8',n csa th{n thng g= 2 ln mmn chXng uXn?A

:x=2:+=20.297=0.593(m3)

wng #ut ti.= #inh ra ' mmn 8',n?A

7


84/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



L= Mx

0.8:x=

84695.65217

0.80.594=178583.7809 (

N

m2)

V)y /ng #ut #inh ra th{n thng ' uXn $" 8',n *|ng:?A

=+2+L2=796743.652+178583.78092=816512.4682 (

N

m2)

Ta c; giYi hn *n 1000 Cmm210Cm2

Ch $)yf ?fAn%n th{n thng tha 5iu &i(n $ *n

w.Y. B'^n h $hn b ?@ $hqnHai mt 5


85/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



]


86/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



2=

4F

'[L]=

4187720.0551

' 170=37.51(mm)

+rong !; f: ngoi lc tc !"ng dQc trc #ul1ng

[L] : ng ?uIt ct cho php c83 v0t liu #ulong%

[ L]=(0.20.3) "=0.2850=170( N

"m2)

?WA

1


87/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



d l !6ng A5nh #ul1ng chQn #ul1ng ti7u chun QaWc; d G V& mmG V%& cm

V)y /ng #ut #inh ra # *|ng:

L"= 187720.0551

300.7854.22=484.15(

N

"m2)

wng #ut c,t ch' =hA=:

c 02 03ch

J.i v0t liu lm #ul1ng l thp h-p Aim VDjk


88/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



l l Aho^ng cch t2 tm c9 !n tit din %

l G VD mm G D%V m

V)y Wu $L'$%L034 ZZ033Cm

Wmn 8',n tng l%n c tr>c:

W8 84695.65217 Cm

Wmn t9ng 59ng *|ng:?A

Mt2=M+2+Mx

2

Mt2=59959.603932+84695.652172=103771.42(N .m)

Wmn chXng uXn *|ng:

YW

UWZ

D d8D

=

J.i : l !6ng A5nh ngoi c83 c9 th,ng G D%V m

d l !6ng A5nh trong c83 c9 th,ng nghin d G D m

:= ' 0.343

32 [1(

00.34 )

4

]=3.857103(N .m)

wng #ut ti ti.t i(n O O *|ng:

H=

Mt2

: =

103771,42

3.857 103=26906755.89

(N

m2

)=2690.68

( N

"m2

)3


89/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



Ta c; 1000 Cmm2 100 000 Ccm2

Ch $)y: f ?fAn%n c tr>c tha 5iu &i(n $ *n

Bln $y> $$ $hn DS = $h'#$ >?@ nh&n &

Thn DS Kj h&!' G&? $F` n ``ng &nh tr'ng D 2000 mmIhiu "i ! 3400 mmIhiu "y gch l;t g 0 mm

Cng #ut M tnmIhiu "y $ thA= t 30 mm`ng &nh ng'"i D'ut 210 mm`ng &nh tr>c 340 mmIhiu "i tr>c l 00 mmSX gch $kng th{n nt 3220 $i%nSX gch mt 5


90/90

Th&?@ nh&n & nn D'E$ 6 $F&!' hn8n>



CH-NG 6. TmI %I7U THAM KHeO

H !% Vi%n+ Cc m% gi c>ng v1t liu rn v do j $1p Ch" 8ut *n Uh'a H@c $" U Thu)t H" Ci+ 2003

q+r3ng $D$&VLs

YCguyn H-u !c+ C Xk $hi&t ,& m%+ Ch" 8ut *n `i H@cMuXc Gia TbHIW+ 2004

q+r3ng '$s

Sacmi+pplied Cermic $echnolog% _olume Via Slicbr'$incial 17O 4002 m'la Bq taly+ 200Z

q+r3ng $s

?aA+rBnh ChIt 7 *)n$'nh ton h th=ng dn 45ng c ,h'j$1p U%

q+r3ng Ls

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