bi -
PHAN
NGQC
S6 T Y
THII:,_r
BI
TAU
THiJY
•
(T!P
I)
NHA
XUAT
B.iN
GIAO
THlJNG
V.;J.N
TAI
NOI-
1986
chiet
bi
tau
huGng
tr~rc
t den an
nav
tr2n
tht
ong

c6ng
tau, mot
Tuy
nhien
do
cac
Uli
\i,;u
bi
tJ.u
tbi:ty
c6n
thieu
nea
khCu::h
'Tru6c hinh
dO
bi
~
ctiu
sinh
vil
d(),
1'rung
so
tav
thiet
bi
tilu
c·a

Lien
kitn1·'
t~ar;1.
Cuon " tay
thict
bt
tiw
nghien
tbiet
ke,
che
(90
V~t
SU
VOi
cac
b(!.ll
d()C
)a
sinh vien va
chuyen nganh
Uw thi',y.
.:.~on
tilu~
rin
tau#
Vi.,!
cic
bi
tau

uic
truong
d~i
I ph§n
soq,n
nhu
sau

l)han I
Jo
k\' su Pban
bien so\)n.
Ph6
tien
si
Ph~:r'
Van H()i
v~
ki
su
Ho
Do
trinh
do
cbuyeH
mon
cua
nhfrng
thieu
sot.

l:;:}n
dqc
y·
Nha
'xuat
b:h1
Giao
v~n
i
v;et
c6
hq.n,
cu6n
sc>
tay
xet.
Thu
ttr
\·
:on
anh
;
Ph~n
II
-
PH
AN
ill01'
THIET
Bl

CHBONG I
. YEU
CAU,
NHff;M
VV,
PHAN
l.l.
1.1.1.
Tinh
dn ltd nla
iiw
va
n/ziem
mz
ci'za
. ' , . *
~
Tinh
an
ciut.
tau
thuy
Ht
khtt
nang
gi
u:
nguyen
cua
tau

tbeo y IJgm'ri
lai.
'
fhi~t
co
vu
diun.
bao
tinh an
ciia
momen
qu<ty
Hun
quay.
!i:nl,
Cfum;h
trt;tc
tb~ng
dtrng
d1
qua

. 1.t.2.
Qna
triTJh
quay
vting
cz~a.
tda
Quy

d~o
chuy&n
d{mg
ci1a
tr~mg
tam
tau
khi
quay
h£wh
ltli
m<jt
g(,c
0:
va
gifr nguyen
.banh
o·
vt.
ti·i d6 la.drrO'ng
quay
yong
cila
tau.
Qn{l.
trl.!lfl
quay, vong cua
tku
gom
:3

glai
do~n
(11lnl1
1 J ) i
(irai
do~n
1
~
giai
do(,t~
nl}m
kong
m~t
phfing
:xtrng
cil.a
····•

Htndtwe
n1(lt
goca (gQi
la
· g6e:
quay
Ap
I\rc tlniy
d\lng P hie dt,tng bimh
tang
.,
.dl:tn. Tl1itnb

pban
cu.a p
day
tim d3ch chuven n
chieu·
quay
y
cua
p h
ll:'<'rng
nguqc
Hm
se Iitm giam
v~n
Momen
Mt<t
=
P.
l
quay
mui
theo
chH~u
quay
Uti
.
.L~rc
d~y
cua
'chan·

V!t
Pcv
b!
. )lnr(l'ng
day
Hmdi
l~cb
lmQ-ng
iitru&c
hi.c
quay
Gia:i
do~n;2
eAch
t'()
ra
Uru.
qu~t
v.huy~n
:xae
l~p.
hat
dau
tt'r
hie g6c
l~eh
giil
tri
co
d~nh,

keo
dai
d~n
dn'mg
T:r~wg
t[trn tau
dong
tren
g9i
Bt
dtr('mg
quay
vong
xiw
l:)p.
t bi tal
h~
Ui
d•J.ng
banh
11\i
ia
lo~ti
U\i
gian
va
ph&
nM\t.
J3imh h\i co d:;mg
tarr1

ph~IDg
tarn
c6
profin
Iun
tny~n.
tan
eh~,ty
th~ng
hitnb
Uti
niim t
rong
rn~u
phtlng
cil.a
t.:m
ho~c
song
song v
t:d
m~l
pMng
do.
~.
Thi~t
bt
lM.
dung banh d:)ng
de

Hi.ng
tinh
quay
lru·
cua
Um,
nh!it
Et
khi
Um
ch:;ty
a toe
d(1
tht'lp, ta
lap
them
viw .M.nh
!{li
nH)t
ch:ln
V!t
pl1l;l
:3.
'!'hitft b!
Hd
dung
d~to
lu·u
quay
:

d~o
hru
quay
la
mi)t
ong co
prMin
hn~
tu.yen
d~.t
bao
quanh
ch£\.n
v Ngoai
titt.:
d~tng
lui
tim,
d:;w
!tnt
eon
la
m9t
be;)
" •
·P'
I .
"""'
'
t'

d
.,
.
'l
" l
"'t
I
d'),
.,
t A
ph.;t1li.
cua
t!ud
:q
\,LQy co
cu:
~1ng
ca1 rtut;n e Ut
tlr<;rng
. ay etta
cnan
V1L
:\goai
clic thitft
hj
L\i
n6i
tren
dm
c6

thiel
:b~
l;ti

,1;ity
ki~u
pht;it mriYc,
thi~t
b!
l:~i
kieu
V
oith
Schneider,
thi~t
:b!
liti
d~y
ki~u
ltnlnb
guong

Chi
tiet
xe:m
[2]. [3],
[<!].
1.2.2.
Cac
/J(J

ph<1n
chinh
ciia
thief
b_i
tai
Thong tl:nrang
thi~t
ht
i'ti
gom c:'te
hr)
ph~n
Gbinh
sau
d~\y
:
_ 13itnh
Hl.i
(ho(w
d~o
hru
quay)
tn.t·c
titfp
ch!u
:ilp
h.rc
tl1uy
d<)ng

d~
!~i
tau.
·
Trt,I liti
la
ph~n
cila song
du6i
Um
e6
cite biin
le
d~
Ul.p
bitnh
bi.
Tn:u:
quay
19U.nh
Hi
ho(ic
d.~w
luu
quay
(g9i
tat
Hn.
tn.tcl:U) tt·uyen momen
Uli

t'lr may
Ui
t&i liun
qu~y
Mnb
hii
ho~c
d~o
hru
quay.
-
May
hH
la
hi(>
ph~n
t~o
hrc
lfti.
May
Hi
gom
co
nguon 6.¢ng
l~rc
(a
may
iii
~i¢n
Hl

d(m~
co·
di¢n.
0'
m;.ay
Hi
tlniy
h_tT
la
Cl,Ull Cll)ng co·
men
-hum
Hn'ly hyc,
i.r
may
lai lay
l~
Yang tay
lli\.i
,),
h~·
truyen
d<)ng
( &
may
Hi
di~n
I a
h9p
giam

toe.
C~Jil
b~mh
ding-
xectcr
va
can Uti,
tt
m(ty
lui
th{ly h,rc
l:d.
c{lC
xilanh
thuy h,rc
,.a
cin
l~i,
cr
mt\y
lai
tay
Ia
day
bi
v~
vong ctwg
JD.i
•••
),

h~
dih.t
khi~n.
-
Cil.C
lhi~l
bi
~n
i6~ln
tin
hi¢u:
lhiet
flt
chi
g(Jc
tJUfty
lai,
thi€'t
liJj
giai
h~lll
coc
<[UlllY
lai,
thi~t
}~!
J)hanh
r:&m

1.3.

Pla&ht
l<~~~~i
lilanh Hli
va
d~;to
he:n
quay
1.3.1.
Phan
lo~ti
lJrinh
lai
lhnb
lt\i
thu&ng
UIT<,)\~
ph:J.n
lo~i
nlm
sau (hinh
1.2)
:
1.
Theo
each
lien
ket
giil:a banl1H1i va
vo
!au:

- Banh
Ui
~an
giit.n
(ki~u
I,
II)
la
bitnh
hi
co
it
lilhat
m¢t
goi
u0'
& phia.
trt'n
va ml}t goi
a&
& p.bfa dm:ri banh [:,ij. .Ngoai I':it
e~
th~
co
tb~m
c!-l.c
g0i
hung
gian •
_.

:Bimb lai
nit:a
tre,o
(ki~lll
III)
la
Mnb
1M
co
ph~n
du&i
lam
vj¢c
nln~
mN
do~n
COD£X'®H.
l8i
treo
IV)
In
Hi
lien
11\u
qua
.,
cua
• 1
Hinb
1-2.

Cac
loq.i
banh lai
2.
Tbeo
vj
td
b811h
so
YO'i
dm'tng tam
quay
:
-
Bimh
l:U khong can
:b~11g
(kil:u
I)
;
Mn
h
lai
c6
duang
Hl.m
quay
n~m
sat
c~nh

1nr6c
cua
banh
lid.
Momen
do
1~p
h;rc thuy d(l.ng tac dl;tng
PD
b2nh
se
truyP'n
hoan
1oim
l~n
lrlJc Hd.
- Banh
Hl.i
ctm bli.ng
(ki~u
II,
HI, IV)
la
hanh Iai
c6
drrcn'g tam
quay
chia
Mnh
h'li

th~'mh
hai
ph3:n.
Momen
do
{tp
hrc
thtiy
d¢ng
Vic
dt,mg
lib
pban
sau
se
dlXQ'<~
din
b1lng
m¢t
ph3:n b&i
{{p
lt;rc
tbuy
d(mg
t;c
dt,mg len
phtln
tnr&c.
:3.
Theo

so
chot
lien k(ft :
cac
M.nh lai
dun
gian
va
banh
U1i
mh
treo
co
the
!:en
k~t
v<'ri
song
duoi
tim
hlhig m(>t
hay
nhiE'u
chot
ban
f'.
do
phan loqi
banh
lai

5 ;
2.
')
'f'}
t.J.,
1neo
lttll
nbU'
~au:
co
llh
nh
quay
trwng
doi
ci1a
d~o
hru
ldl
= 0,5 + 0,6
1:u
= 0,7
;
0,9.
hm:
xli'ng
tr~!C
- B:;to
hru
khong

doi
xli'ng try.c
(hinh
1.3).
prM'in
(hlnh
prOfin
phia
k:et
v
cxi
trt,Jc
d.;,ng
cua
a&o dc)ug
do
Hinh
D'ito)uu~kh6ng
doi
xung
tr~c
xt'rng
tr~te
co
hai
ki~ll
:
kbong
doi
xung

theo
chien
diq
khong
doi
xu·ng
th
eo
d<~ng
pro
fin (
hinb
L'3h ).
Chiru
day
lun
duQ"c
lam
Um
b(rn
ia
gi
a
cm'mg
eho
li~n
quay
khong
doi
xrrng trt}c

c6
dtpig
lam
giam
dao
Lai
gifra
ph~ln
tren
va
phan dlr(ri
chan
vjt
va
giam tai
vito trlJC
chan
vjt.
Chi
tiit
xcm
[8]. .
·ran
hai chftn
L
')
ho
trong
m~it
htmh

lai.
!ri
sau:
::;au
vi:1
hai
plL~
6. Uai
(l<~o
hrn
quay
ddng
b(l
c6
J
dung &
tim
cua
UPt
nl>IJ'fl
fj
\_
- -
Jl
~
~
,,
tJ
tinh
nh

lm&n.rz
cua
Hm
rlwy.
1\
i
i''u
(
7)
nh~,~J
xirug
JCrn
1,5
Hin
g6e quay
ct1a
d~o
luu)
lai
khi
tim
ch1_l.y
theo
quim
tir;h.
va khi.
tau
tinh
CO' Clia
ti:J.U

/r
mQi
tck
tien
va
li!i;
thtiy d
hi\n
cac
ki~n
b6
tri
lfti khac .
.:\gm\ i
ra
con C() cac
l~i~.u
ho
t
ri
Uri 2 -·- 3
l/mh
fan
1UQt
va
lni
ch:J.n
Vft
dfnh.
th

dinh
IO~u
(8)
kit~U
nay
CO
san
moi
'j
A
cnan
tt·ong
m~
.trb.
Fun
di)e
tit:b
tri
liti
Hible
co
;3
ban
h Iai
quay
dikg
ph()
hi~n
cr
ct".c

U:ru
song
g
~;uat
d:~
quay
b1'tnh
hi
chi
gan bling
lf3
eong
su
quay
,l()t
banh
co
di~n
tich
b!ng
t6ng
dl~Il
tich
cua
ba
b{mb h\i.
lai
ben
di!ct
trong

dong dlly
eua
chan
vjt.
Banh
lc~i
giu·a
trong
ph~ng
ngoai
dong
d~y
cua
c
Mn
v!t.
1.
va
phan
qua
lai
phii.i
n!m
trong
dong
cua
chan v!L
U:i
dim
trong

dong
d
cua
cMn
V!t
d1ng cao.
a giil'a
mer
cua
Ed.
va rnep
ninb
V!t
kMng
•
nh:o·
han
0,3 m
khi
chi~u
da.i
tau
b~ng
12'0m
(do
caC'h
tn;rc
chan
v!t
m()t

7
0,7
:ldwang
dch
"'-
@!oi
chi~u
cHti
Hm.
ll(
11
J:J,o
m
Lhi
13 m
th::~y
tang.
:3.
Khi tim toan ,
h:"tnh
i p!d.i
ng~p
hoiw
!o:lm I mr:j·c. J\ltoltng
dteh
litp
mr<'rc
phia
h
Uu

ki16i!g n
han
0,:25
song·-
dt
0.1:2~)
hbl
(Um
ch~y
trong trong
do
btl
chil:;u
cao
bt'tnh
Tim song
((
C
))
v:l.
((D))
m:;tt
tr~n
h~lnh
Uti
eo
the cao
hem
chrc'rng
mr<"rc

eho·
'Mhung k.h6ng
qu<'t
:350
mm.
bimg
khoang
(n,l·;)
-+-
O,l)
hb1
"L
U'i;it
dtrr'l'i
hanh
Uti
cfw
ch~n
Tjt.
ng
khong tiuo·c
thap
hem
mep
du&i canh
;).
6·
U\n
co
toe dt)

!rung
hinh,
tqrc
quay
ci\a hiHJh lai p!Jai
vrong
g6c v6·i
m~t
ph<ing
ca
ban
cua
Um
va
nlim
trong
m(tt
chin
dm'mg
U'tm
quay
cua
chan
vjt.
G.
()·
tau
cao
toe
hai

ch:1n
vjt.
Mnh
Uti
nt'n
d:;it
d)ch
sang
pl
ia
m~n
nffu
ehin
vjt
co
lm&ng
qt1ay ngoiti
va
d~t
d!ch
vito gifra
n€fu
chan
''!t
c6
Jnn'rng
qm1y
treng.
][hi
d6

htimh lid
se
k:hong
rO'i
vito
vung
xoay
(xem
them
[8]1.
7.
Khi
quay
het
Uti sant-; mr)t ben
rn.~n,
r•rH~p
sau
bltnh
lili kbcl!J[l dm,re
vuvt
n.
ngoai
gi
()'j
h~n
chi
eu
n)n
g

t~u.
~-
X~u
M.nh
l<U
lrco
dn
b~ng
dtr<ye
h~trl
V('ri
tr<.Ic
lai
thi
chi('u
cao
h<h1h
lai plrai
clwn
sao
cho
co
th~
tb:io
chrvc
hi!nh lui
khi
su·a
dti:i·<t.
t.L'3. Chon

k(eu
thi?it
bt
!ai
So lm;rng
hanh
lai
pJw
thur)c
ki~u
tim,
d('ic
tnrngh1nh
hQc,
so
tn;c
chan
v!f,
yen
dtu
doi
V{yj
tinh
an
Iai
va
do
tin
c~y
ctia

qun
thiel
b!
lai

dl'ty.
Ulc
tau
hi~n
eh&
hiwg
khong
hi
gib•i
h1!1-n
chien
chlm
thi
thic;t
hj
day
m<)t
ehan
vjt
la
hi~u
qua
nb~t.
Khi
do

thi(ft
b~
liti fa 1
bftnh
Uli
d(tt tron?; mi}t pl1ang
e:to
i
x1.'m
g . · ·
Ki~u
h:tnh
Ui
plw
thri()c
dieu
k:i~n
sir
d~.Jng
tau
v&
hrqng
(H\.n
wr<'rc
dut
tim.
to~i
Mnh
Hi
co

hi~u
qu~
cao
ma
cong
suat
hti
tbap
nhat
Ht
h{tn
1
1
bi
ki?u
dtn
b~ng
dun
giiln.
Bit11b
lai
dn
h~ng
thm'rng ch!ng
iren
c<'tc
lim
hang
tq;ng
tal

l!m.
Tren
nhung
ti'm
dl'J
neu
diwg
banh
hi
kh6ng
ci'm
hrtng
tbi
c6ng
sua! m{ty liti
dit
JC:rn.
V~
d(ic Unh tln"ty d<)ng,
ki~u
hc1nh
lai
nl'ra
treo
kern h"tnh
Hti
cf:tn
hhng
do·u
gian.

Tuy
nhien
Mnh
l;ii nii·a
treo
it
ht
htmg
hcrn
khi
tau
di
qua
de
luong
l?,ch
c;;tn
ho(tc khi
hi~nh
Uti
va
d<J.p
v(;-i
d.c
v1}t
kh:k
Xgoid
ra
d1'wg
b:l.nh

Hli
nl'ra
treo
6 drr6·i ciia
tm.tc
Hi
nho,
do
d6
(y
nhii-ng
tim
lcrn
cong ngh¢
ehc
t~o
~e
dan
gian
han.
Ikmh
Uli
ni'ra
treo
duQ'c dimg r(>ng
rai
tren
dtc
Um
m(Jt

chan
v!t,
d~c
hi~t
la
de
tim
co·
trung
hinh.
Bitnh
lui
can
hiing mht
treo
va
bimh
Hli
kh<lng
tr·en
d.c
ti'm
hang
rn(>t
ehftn
vjt
co·
tnmg
binh
va

nho
t
• '
th
' ' t
A'
l . 'h l
"'
I l
au
nay
uo·ng
cnt!y uyen ven mr'n, uong
1,1c
1
c<;~n.
cod<) tin city
eao,
it
lnr
hong.
dm
h~ng
dm:rc clung
nhieu
(0\\'
c.:;;;;
tJOOO
+ 8000
!).

C<:1c
rat din nh
u:ng
tbiet
h!
Uti
B~o
hru
quay
UU'()'C dung cai
thi~n
chat
lll'Q'Ilg
d~y
ciin
eh2n
vtt.
dong
thcti
d~
t~o
hrc
li>ti.
ba.o
tinh
;,(ll
h~i
clia tim. Do d() kht
CbQ!l
phtfO'Ilg

itn
va
tinh
foan
thi~t
ke
d~o
hru
quay
can
chti y thoa
d.
hai
cong
ch~
n6i tren;
hi~u
suat
day
l
'
\'
l,}
rihvr
('y
dtc
Um
Ctl
he
so

b •
chim
dl
l<,Yi
vi
Uing
lun
chi
Hun
gi{nn
ht~;u
suat
Bcv
va
h¢
::so
b,rc
Being
1-1
H¢
so
Bcv
va
crcv
cua
die
lo?i
tau
Tiw
hang

nH)I
chf111
vit
Tau
ven
bi'~n
Tau
dau
Tau
d~mh
d<
htu1g
lu6'i
vet
Til
u
kE>o
(a
che
d<)
keo)
() c v
1,0
-c-2,5
2,5
-+-
4,0
295
~
5,0

4,0
_,_
8.0
6,0
15
__
, 35
35
-;-
60
35
-i-·
70
Go
:
100
~,o
'
[8]):
Cttc
Um
co
chieu
chim
nho
(tim. ven
bi~n,
U:m
n¢i
thuy, tau

song-
bi~n)
thm'rn~
co
h0
s6
cong
suat
eiia
chan
v!t
kM
cao. Do
d6
tren cac tim nay tlnran;:t
ho
tri
d~o
hru
quay
pboi
lH!'P1
thkh
dang
v<'ri
luy~n
hinh
du6ij
lim.
I''

\ ,~ne
nay
Mu
h\'~l
d:;to
hru
quay.
Hinh (1.·!)
cho
hi~t
de
ph~m
vi
hqp
H
dimg
d~w
!
uu.
Vt'mg
hq-'P
!:<·
d~
cliwg
d{lo
ltru
la
vung
ma
dm'mg

cong hi¢u
:miit
d~y
d1a
chftn
vtt
khon11
co
dzw hru (1)
nam
dmYi dm'l'ng
l
• '
o'
l"' ? 1 ' 0
'O
4 ,;; ·-+ 1· ! 1 ·+· +•-·+-+-+
COilg
n<;u
~mat
t ay
cna
cmm ·
·,

vjt
c6
d;_w
hru
(:2),

(3).
- Bm)·ng
kich
1m
dta
chin
vjt
c()
dq.o
hm
gilnn
di
klwi'l.ng
109-'(
1
so
v(yi
dm'l'llg
kinh
eh!tn v!t khong
d:Q.o
luu.

Thiel
b!
l{<i
dimg
d~o
lu·u
t?-o

duqc
htc
mlng fhuy
d<)ng
l<'m
ho·n
khoang
4ll%
so
Vt'ri
hrc
nang
ci\.a
bitnh
Uti
c6
ci1ng
di~n
tich
hinh
chi(;u dung.
Hinh
1.4.
So sach ki¢u suat t6i
uu
cua
c:ac
kieu
tbiet
bi

L Chan vit scri B4-70
khOng
d<;to
hru;
2. Chan vit
seri
Ka4-70
va
cl~o
luu
J\!2
19A T =
0,50;
3.
Chan
vit
seri
K<>4-70
v6i
0,80
- Tang [frih CO' d<)ng
cua
Hm
v(ti toe
de>
thri'p,
nhat
la
doi
v<"ri

ct\c
vung
i tau k:rlo,
hQp, k
l1i
tim.
chq.y
,;,)linn
co
dong
rao.
Bac
hif:~t
tretL Hm hai
h~i
d~~
luu
l:o
the
cho
f.JO
hn~
quay
d(ic
l~p
ho:;.c
quay
lim
h
pb6_i

hqp
. ;

g,
v
-
Tn;ng
vit
nh
cMn
vjt
~
d~lo
ltru
quay uht) han
tn;ng
lu(mg
vi!
giil
thanh
M
ch:\n
-·
d~.w
hm
c6
djnh
··-
b::mh
Nlnrq'C

di~m
quay:
-
Th~
tich n
ci!a
h'"
d1~ln
~-
dl~O
hm
quay
lim
hrrn
Mchan
vjt
-
Mnb
l'ii
(dtn'mg
kinh
cLia
dta
ch~.n
vji khong
dl)o
hru
d<,w
hr.n
t6i

n-n
l1'm
l1o'n
c:ucmg
kinh
toi
uu
3 : .j v(ri cllllg
h~
b6
Be,.),
If
Hinh
1.5.
Vi
tri
cac
d:;Jo
luu
quay
khi
hai
chan
vit
lam
vi~c
nguoc
ch{eu. nhau.
a)
Quay

vong:
1,
2.
quav phai (1)
-:•?!
quay
trai
(2)
khi
dm
tien
btwg
mot
dq.o
luu;
3,
4.
quay
ttai
(3)
va
quay
phai
(
4)
khi
ti!U tien bang
hai
Q<).O
hru;

5, 6.
quay
trai
(5)
Va
quay
phai
(6)
khi
tim
lt1i
bang
hai
d~o
luu.
b)
Quay
tim
tai
chO:
7,
8.
quay
du6i
sang
phai
(7)
va
sang
trai

(8)
b~ng
hai
d?-o
luu;
9. 10.
quay
du6i
sang
phai
)
va
sang tr:ii
(10)
m(>t
luu;
11,
12.
quay
mtli
sang
trai
(11)
va
sang
ph a i
(12)
h1i
dao
luu.

c)
Dat
ngahg;
11,
14.
cho
tau
d;;~t
sang
trid
(13) va sang
phili
(14)
bang
hai
luu.
-
K~t
diu
kbong
cb:.ic
chan
bUng
d<}.o
hru
co cltnh,
hanh
Uti
nhieu
chot.

-
.D~
lam
kt?-t
cbf-tn
khi
()
chi;m
ella
d:<~o
luu
,.a,
tn;.c lai
l?i
morL
-
~
drng
t!1ap,
bi
dao
dl)ng
c\].c
h~
-
Che
t:;J.o
kb6
ho·n
b&.nh

ltl.i,
d<)
chinh
banb
lai.
10
II
rlHJY
LU'U
QUAY
:t.l.
Xac
dinh
cac
tl1
2.1.1.
D{nh
fa
1.
Di~n
tich
blmh
A.b1:
lh
rli~n
tich mi;it crd
d6i
xirng
d\1Z'
da

banh
lal.
2.
Chieu
cao
h6nh
l6i
hb1:
khoang
c<1.ch
giu·a
di~m
cao niJat
va
tbap
nhat
c·ua
'banh
IRi
do
lheo
phno·ng
tldl.ng
dl'rng.
a)
c)
b)
Hil'lh
1.6.
Cac th6ng

so
hil1lh
hoc cua
b:imh
Lii
a)
Banh
LH
dan
gian can
bai1g
: b) Banh lai
n\'ra
trcGJ;
c,
d) Banh
lai
dan gian khong can bang;
1.
pr6fin
banh
lai:
2. trv lid
trco;
3.
avlai
; 4.
profin
trv
lai;

5.
profin
trv
Lii
tw~.
3.
Di~n
tich
phan
can
bf1ng
nia
blmh
!rii
Acb:
!a
ph~in
d1~11
Uch
h:Emh
Jai.
tfnh
tt'r drr<'mg Htm
quay
d~n
qmh
tnr(rc
h(m b lhi
!r.
Di~n

licit tnz
lid
;ltl:
Ia
di~n
Uch
hin>.
ehi~u
ctia
tr!,l-
lid
len
m~t
phling
doi
xt'rng
cua
fan.
5.
Chieu r('mg
bdnh
lai
/Jbt:
doi
vc'ri
himh
hU
hinh
c:hi:i'
nhfli,

chi(~'U
r9ng
Mnh
lai
hbl
la
khoang
dch
C<:tnh
tnr6'c
d~n
C/inh
san
cua
banh
lai;
doi
v6i
banh

Jarkhong
e6
d:;trig
ehti·
nhat
thf
ehieu
n)ng
b:lnh
hi

hbt
la
ehieu
r(mg
trung
hinh
tinh
theo
c6ug
tht'rc
:.
bbl=
hbl
11
r;,
ChUh1
r(my
tru
l<ii
btl :
Ia
kboiing
each
tir qn1h
tnrbl:
d~n
c~Nh
san
tn1 !:ii do theo
7.

Di~n
!ich
h0
banh
ud
tru
lai
.h,
Ak
= ,h1 ,
At!
brinh ldi ua
tnr
lrri
(1-2)
hk
=

(1-3)
hbl
9.
11?
so
kt'o d(ii
cua
bdnh
ldi
I,:
11?
so

k0o
cUli
I,
duqc
tinh
bfi.1~g
111Qt
trong
c<h:
cong
lbrre
~;au
;
.,
I
A== =
=
hbJ
I
1J~1
/().
ll
~
1
s6
Uo
d a i
CLla
h¢ banlz 1
ai

- t
l'(!
ldi
Ak
H~
so
!.~;:
dm;c
tinh hilng mr)t
trong
u\c
cong
Hn:rc
sau:
l
I 2 1
Al
=
~
=
~;2._
o=
~
- '
hk .!h hk
(1-5)
11.
H¢
s6
ran

rrio
hanh
/IJi
k:
k
= =
.!:.::!'

Ab1
(1-6)
trong
do,
Ach
~
di¢n
tich
pha.n car:
h~ng
hU.
1:2.
(ioc quay !Iii
7.:
g6c
m?.t
doi
xrrng
dqc
CU3
banh
LU

(d{(O
l.uu)
va
m~it
pb~llig
cH5i
cua
tim.
13.
Pr6/'in
bc1nh
l6i:
!a
drrt:-rng
dm
vi cila cat
b~.nb
lid
dt
ho·i
m(lt
m~t
phiing
vuon;:.:
go~,;
Ycri
du:6·ng
ta.m
quay
cu.a

Mnh
liii
(hinh
1-7).
Htnh
_1.7.
Cac
them~;
so hinh hq::
ctia profin
a) PrOfin· doi xurig
kh6ng;·
co
phan
ouoi phang; b) Pr0fi'1 IfS
co
ph
an
du:oi
phang;
c) Pr6£in
khong
doi
xung.
12
11.
Profin
ciia
ag.o
l!ru

la
dm'rng
chu
L'~t
d~JO
hru
cat
h{)i rt1()t
Ill~t
ph~ng
GlHY!lg
!rt.lC
CUll
d:;-to
hru
(l1inh
l-9).
Pro[in
lfoi xri·ng
Ja
prOfin
ma
dm':mg
cul!g
chia
cite
chi~u
day
e
tb~Jnb

hai
pb~n
bang
nbau,
prOfin
khOng doi
xrrng
lhi
dm'rng
df~Y
nmg
chia
cllJ?~u
day[e
U1anh
hai
dm~n
vi1
yd
kbi.c nhmL
PrMin
b<htb
lid
thm'mg
doi
xirng.
Pro
fin
d~o
llm

k:
hlmg cl6i
:xrmg.
1U.
PrO{w
lmz
tuuen
Ut
profin
rna khi
cho
m(lt
d6ng
chlty cllay
qua
prOfin
!heo
hu6ng
song song
~''~d
dm'n;g
cHly
cnng thi
prMin
khong
t:;w
xotzy
(ho(ic hl!iu
nlm
khong

t~o
xmiy)
trong
dong ehiiy.
2.1.2.
dtnh
cae
thong
s6
binh
h~;c
I.
Chieu
cao bim/1 lili
1t,.,1
c
h9n
l&n
n hat
c6
th?
thw)c
tuyen binh
philo
dn6i
Hm.
2.
D1?n
tich
bcinh lui

Ati:
~~
chqn theo
tau
matt
co
tinh
.an
lUi
tot;
~
ch9n
t.heo cilc
so
!i¢u
thOng
k.e
(kh~:mg
•
c6
U'l,e
n1an)
.
LT
\'
Ab1
=
!-L-,
m
2

(1-7)
'-'
100
trong
do:
L
-~
h;;ii
T ··-
chi;:u
chir:n
c11a
titn
[J
h~
s()
di~n
tich
b:'cnh
di~n
tich
c:tc
ln1nb
!itl
T:::u bi1ng
khC;
va
tau
dan
di

bien
m¢t
cbc\n
vjl
Tin1 kbad1 ciJ nho
va
xui'lug
mc1y
Il
d1
II
I
IV
va
III
T:.\u
khltch
ci"'
l(:m
ha
i chi\ n v jt
Ha
i tn'wh
Hti
kieu
I
II
M<,)t
Lanh lai kH\u
III

-·· ~~ ~~ · ~-·~ ~ ~
-·
-·· ~-~~·~·-'··· ··~ ~-~ ~ · ·1
PM
cho
6t6
va
tiw
Ma
di
bi'len
IIT
Bling
12
1,8
-:-· 4
1
4
_,__
')
0
;:3~
l:\J
2,0 4,0
-~ ~·-~~ ·-···· ··-··· ~-~ ~-~-~-
Bimh
Hti
ki0u
I
ho~c

01.10
luu
quay
~ ~·-

-·
~
Tim
hang
kho
ca
l&n
hni
chan
vft
Yi1
Jiai
banh
H<i
ki~u
III
(tnJ
Jai
trm da u
c6
chi()u c
him
gi(ri
h:;t
n.

Tau
himg
ch<Jy
s6ng
hni
chan
vjt
v>\
tan
[H:
banh
J[1i
ki't!u
III
<tn.:
lai
treo)
sung bien
e6
t6c
d¢
tfnh
tOan
Ue
<
:2,()
Tau
hang
eh~y
s6nc

hai
chln
"it
va
tau
sOng-
bien
c6
t6e
d¢
tinh
to
lin
cr.,>
2.0
Tau
dlly
Tau
kh~ch
ch¥Y
sOng
~
Xubng,
thuy~n
D::IO
hru
quay
Dl}o
hru
quay

III
(tn,l Iai
treo)
I
2,0
-;-
3,5
2,0-:-
:~,0
-t,O
-:-55
Khi
khong
c6
lan
n1~u
hoi.ic
khong
e6
so
li~u
thong
ke
t
hi
[J.
ct')
th~
tin
h

ch9n
-thea cong thirc
cti~
G.
V. Xobolep [8]:
0,023
V
L •'·)-
liTr'

n,_
trong
d6, L
~-
cbieu dl.i
Um
(m)
B-
chi~u
rt)ng
tau
(m)
o -
h~
l\o
Mo
th~
tich ciia tim.
0,030
3VL

~·)
ob

'·~
(1-8)
Khi
chQn
p.
din
chu
}'
:
tang
di~n
tich
hiwh
lili
tlli
duang
kinh
quay
vong
giam
khi
g6c
quay
hU
l&n
v:\
duang

kinh
quay
vong Uing kbi
goc.:
qtray l;h
nht);
di¢n tich
kMi
d~c
dttoi lmh lm&ng
rat
l&n
den
tf'1h
quay
tri.'r
cua
tim,
Uir\({di~n
tich
khOi
d~c
du6i
dU'('J'ng
kinh
quay
vong
tang
d'lt n
haoh;

h~
so
p.
ct1a
Mnh
h\i
13
Tilu
bang
Cu
nbo
Kien
!au
.\J<)t
ch:'in
vj!,
t6c
d<)
!rung
binh
.\!<)t
chan
vjt,
t6c
d¢
cao
Hat
ehan
vjt,
m~Jt

banh
!iti
Hai
chan
vjt,
hai
banh
lai
Tau
d~lu
C{r
nhi'l
va
trung
binh
Ca
Ian
T:'w
khacll
Ci"J
nhi'J.
toe
d<)
lrung
binb
C<J
nho,
toe
d<)
cao

Co
l6n
v:l.
Utu
hltng

khach
t6c
d<)
!rung
blnh
Co·
J(rn
chav
nhanh
Tau
c!l
.•
Pha
cha
Ulll boa
Tau
hoa
tien
Sa
Jan,
tau
kllong
t1r
hanh

Tau
vcn
bien
Thuven
buom
C5·
nho
Ca Urn
Xuong
n.ay
Tau
song
Xuong
Kih1
tau
((r\»

~ ~~-~-
"-•<>==>"<-~
Tau
khach
-
Tau
khach
-hung
3,;33
Ph[t
3,3;)
Tau
hang

kh6
:3,33-~-2,!16
Ll.u
dau
:2,80
Tau
dOng
lllcnh
3,3:~
-:-
3,13
Tau
J,eo
va
tau
day
4,55
~-
:3,5
7
sa.
lun
ch&
hang
kht'J
va
cha
dan
kb6ng
lt.r

hanh
-
Tau
cuoc
-
sa
Jan
cha
dU
-
Tau
keo
bill\n
-·-
Tau
keo tronlol
v)nh
-
Xu~ng
-
J,O
-C

2,5
1,5 -; 2,5
1,4
·7 2,0
1,6
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1.3
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2,0
1,4
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1,
il
1,7 : :l,2
1,7
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1 ,6 -; 2,0
1,4
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2,0
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4,5
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4,0
2.5
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4,0
4,0
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ti,O

2,0
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3,Q
2,0
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2,5
2,0
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3
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3,0
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4,0
co
-:-
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Cap
tau
<<
B »
3,85
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:3,57.
5,00
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:3,85

-<-
3,45
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4,;);)
+ 3,57
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7,69

3,70
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5,00 + 4,00
5,56,+
5,00
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6,67
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7,i!J
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7,69
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-
-
Tan
hang
c1i
bi~a
M¢t
bCmb
lui
Hai
tanh
H<i
Tau
c!llu
Tau

khAch
rO
16n
Tau
ven
bl(';n
Tau
cit
Tlm
k(~o
bi~n
Ph
a
Xuo n g
m!<v
Tau
keo,
day
eht_,y
sfwg
(tr!
s6
J{i'n
doi
v6i
um
day)
Tau
hilllg
ch~y

si'lng
t~r
h:)nh
T~u
khlch
ch~y
sOng
Trw s6ng kbong
ll!
!1:\nh
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+
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v!1
Um hem cil.a
Mnb
hti
dim
t
dbng
dliy cuH chan

vjt;
b~
so
F-·
cil.a
Hm
hang,
khaeh
lcrn
lwn
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tim
dan;
ian
ll<)i
ihuy
va
Htu
song
-
hi~n
thm'mg
c6
di¢n
tich
hhnh
lhi
Um
hO'n
lau

bi~n.
v,v • Tom
l<?i
di~n
tich
bunh
Uli
c6
anh lnr/mg
dit
Utn
den
linh
an
lc'ti
cua
tim, khi X(iC cqnh
u(;
pblti chll
)'
df:!n
ct'tc
d~c
(ti~m
C\l
th~
c{';a
tim:
v!
tri

Mnh
HJ.i,
so chfm
v~t,
lo~i
Um, ket
diu
vung
duoi tau,
Iuong
l~ch.
v.v

Di~n
tich
M.nh
lai
da
ch9n
phiii
kh6ng
nhb
hO'n
lr)
so
tinh
theo
c6ng
tlnrc:
/

A
min
= p . q .
-·-
0,75 + _ ,
m2
L T ( 150 _
).
l':l.
100 L
7;:;
I
trong
d6,
L -
chi~u
d~li
tau
(m)
T-
chi~n
chim
tau
(m)
(1-9)
p - h¢ so,
bllng
1,2
n()u
bimh

lM kh6ng
<.l(tt
trn·c
tie=p
sau
ehan
v~t;
bung
1,0
n~u
b£mh
l<'d
d~t
1n_rc
tit\p sau chfln
vjt
q = 1,25
doi
v&i
Un1
ln'o, q = 1,0
doi
v<\i
c{tc
lo1_1i
tau khac .
.:'\<6u
banh
Uti
d~t

tn.rc
tiep
sau tq1 liti
thi
t6ng
di¢n ticb I:Abl
x:'tc
d!nh theo
cong
tht'rc (1-7) gom
dit_'n
lich
h~\nh
hli +
di¢n
lich
trv
lai
Ak·
Khi
d6,
di~n
tich
banh
lai
n6i
ri~ng
Ah!
kh<'mg
Llt.rqc

nho hO'n
0,8
Amin·
3. H
~
s6
Jd!o
deli
/,
H¢ so
keo
dai
I. =
O,fi
+
3,0
ttty theo ket
diu
vung
duoi tim.
Thi
nghi~m
cho
thtiy
khi
t.
Um
thi
g6c
nghieng

ci1a
duimg
cong
Cy
=
f((l.,)
~xem
mt.lc
2.4
.2)
cimg
16'n, nghia
la
bll.nh
l:U
c6
f
Urn dlnn
hlw
hi¢u
qn~t
lai tot
o·
dt
cilC
g6c
quay lai
nho
[8].
Tren

cac tau nho co
lh~
dung himh hli co
-;.,
Urn
b~ng
citcb
thi~l
k~
tau
c6
d¢
chl.li
duoi,
diJc
hi~t
d.oi
vcd
nhfrng
tau
c6 may lai tay. Khi do
d~
gifr
huang
di
cu.a
tau chi din
qaay
lai
m¢t

goc
nho
(xem
chtrang
ci).
15
clia
1
n l
kinh
= (0,100
< l
sao
o
;),
lnl
Lrong
truug
lll(H
iJiwh
I<U
lit pban
momen
th
ng
klli
tau
('.bi;ty
lLii
i\

hii;n
khi
ph~li
Ung
k. dn.ng
C(
d6
i
khi
l~m
tiC:n,
h1i
:~ap
nhau.
Thong
(
ho:_ic
yen
ve
do
hi.;n.
{
c:i'w
Urn,
ugay
3tH
vo
dtruc
!J
inll

chng
tiw.
c
h9n
k sao c ho
du(mg
0'.
inh
1-8),
dong
moruen
khi
1:\u
chay
xt:mg
>J
kl1
i ihn chay
til:~n
di'
dam
hiw
~;H)
Be
~rimil
ng,
bt'mh L'ti m'n
nbn
san:
- Di¢n tich

phan
dm
Mng
k
di?,n
Lich
biwh
!::d
(k
U,
h
."
• '
·~
' 1
,,
' •
- c
1eu
rqng
pnan
can
uan
g
Lt~l
d t ngang khdng
qw:t
~l;)?/i,
d
r¢ng

banh hti
tl).l
m~t
dit
do.
Hinh 1.8.
Do
thi
Mta
(o:)
da
bauh
w can bang
1. khi k =
0.28;
2. k = 0,34
- tiw
ch:;ty
tien;
-~ '-
tau
ch<Jy
lui
Hinh
1.9.
f)~C
tinh
hinh
hoc
cua

d~o
luu
q1
1.
di(IO
1uu;
2.
doh
on
cfinh;
3.
profin
Ci!nh
on
dix
4.
ti'!m
ch~n
ctla canh
on
dinh; 5.
kh6i
re
donm
2.2.
Xac
dinh
ca.c
thOng
s6

hinh
(
"
th'
g
,,
h •
,,
• d l . ; l
·~
'
. ,ac · on so c u
y~u
cua
· qo rm
c:o
.t1fc xac
1 nlnr
s&
u :
16
trong
do
).
u h·ong
do
ld,
n
khi
1 tang t

g
Hnh
kholmg
·j diti
thl
ll;fC
cite
did
Bcv
tMip
2.2.3,
so
dc"in
~
:
trong
do,
Dr
Thong
hru
co
hi~u
qua
ltru
Urn
hun
N61
!a.u
co
co

tM
li\y
fl
= 1
2.2.!~
trong do,
nhat,
d:ong·
IJ
h·ong do,
acv

h~
Tr!
Hm
xau
di,
cong
suat
bu
tinh
<Xth=
tht'rc:
(1~13)
rang
n!m
iuye;n
d~o
luu
tren

(1-14)
thliy
d~~
JU~t
d~il
(1-15)
v!t
ian
Khid6:
(1-16)
•
cua
n!Jo 1rng
v&i
Bey
< 40
40
<
IL
<
60
Bcv
HO
1.6
I)
luu
ngiln
l =
O,!'i
-+-

0,7, t
rt
so
n
hi'>
(rng
Bcv
ho
Ya
n
grrgc
lf.ti
4 - so
that
!Xth = 1 ;25
-:-
1,35,
!rj
so
nho
v&i
L11
-:-
1, 14,
trt
sll
l6n
ung
vCii
Be,-

nho
i C(J
y~·u
du
ve
ch:H
ltrqng
c
lui
thi
c6 th(i
~
= 0.15 :-0,17,
con
OCth
nho
nl
Chii'u
ttrang
doi
ciia prl'>fin t = 0,125
-;-
0.15(),
nhb
t''11g
V<)·i
Bcv
:?_hi\.
Boi
v&i

d~o
ltru
kh6ng
t
rtiC
Cll
the
t
tai
0,20.
1

Di'!
ng
d:_:o
ltru
dai
l = 0,7
:
0,
!J
so
that
!Zth
= L35
-7-
1,5o
3 -
he
so

dan
f3
= 1.10 + 1,12
trong
d6,
11
- so v<)lJg
quay
ehan
vjl
(vbng/pbu!);
Ncv
cong
sm\t
chan
vjt
(k'\
Va-
toe
a(\
d6ng
ehay
qua
chfin
Yjt
(m/s)
.
. 2.2.5.
trong
d<>

It
khoiing
Tlnr<'mg
J[iy k
:c::::
k =
0,43
:-
0,44
khi
dlll-o
hru
co
trt,-w
quay
kht
tl\u
ch::y.y
kfii
ch:,ty
h)i
c:~mg
nbb.
·
It
k=-
1
(1-
khi
d~o

ltru kh6ng
n6
etlnh
(Jn
d!nh
djnh.
Wd
c:d.c
!r!
50
d6, momen quay tr
nhau. Tr]
so
k
dmg
En
!ll
mom
2.2.6. Chieu day
lmmg
doi
dw
profin
.,
trtllng
d$,
t
~
chieu
day l6·n

h-
chit3u
B~ d~o
luu
eti1
-
t
t=
ciia
prOfin
d~:to
h.ru
(mm)
2.2.7. l{fch th1u!c ctmh
r1tnh
(1-l
Thi,re
nghi~ln
tren
mo
clrt:rng
to
c{mh
6n cl:lnb
kbOD(tl
anh
lm&ng
o.c:;n
ti
quay vong tim

nhung
u·
cho
co
tinh
bn
djnh
hu(Jng
tot
khi
chl:ly
tie:n (k:hi
1 :'mh
bn
d!nh.
gill-'
huang
di
tim
chi
din
quay
d~o
hru
1
: 2
Hlnfph1it,
g6c
qm
0,5° + 1,5° ;

n~ll.
khoug co cimh
6n
d!nh
thi
phll.i
quay
d)~o
hru nhieu
1/itn,
g
.:uay
ttl
5°
-+-
8°), Cimh
6n
con
Iiu:u
tang
h;rc
n.ang
c-wa
toan
h~
dt?-o
luu

lS
-

'!t.:!l
c lhll1
Duung
kiuh
chan
vjt
De"'
m
S6
hmn!I
chan
vit,
chiec
f):)O
hru
-
aoi
1
m
quay
den
tru&c
Uf.lO
luu
lt,
m
so
dn
hang
cua

ltm
k
Goc
qnay
l&n
nhat
ciia
luu
\._";hil:\u
dav
ton
bao
dao
!uu,
mm
tiCn
JlJi
Vl
ei'm
c1pn
chan
vtt
+
dno
luu
tien
Pt,
kN
lili
Pl,

kN
Btl,zg
1-i
Dte
ti•h
eO' biu1
eua
d~o
hru
quay
-
·-·-· ·
T<iu
ln'tng kll6 n(Ji
thuy
Tau
diu
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trt_~c
nl'H
Tau
I
' .
Trang
Uii
Trong
ti\
i
Strc
nang

I
CA
,.
t
·(t)
·(t)
(t)
.ung
sua
1,7
2
1,73
1,,!0
0,81
1,~H
0,85
3,16
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0,45
±35
5,83
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1,7:5
1,50
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1,2
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9
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21
22
23
- Tren
2.3.2.
dtc
cong j
trong
X,
X,
C6ng
(bang
1-lll,
0.00
0,00
0,25
10,32
0,50
1
,5
1

1
0,75
17,85
1,00
20,50
1,25
22,70
1,75
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2.50
31.00
3,25
34,80
5,00
7,50
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10,00 48,20
15,00
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n,oo
6,80
10,75
12~85
16,55
19,20
22.GO
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50,00
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24.00
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banl
tinh
( l
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pr6fin
1
1-9
NACA
46,:'>0
·17,78
·49,50
50,00
48,35
±4;00
38,03
30,50

21,85
17,08
12,06
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1,0~·