Đồ án chi tiết máy thiết kế hệ dẫn động xích tải

Dđ fin tđt ngհi§p
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Lđ i nđ i ԁđս
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T rօ n g t a t c a c a c m a y mđ c cv kհ i ԁéս cօ sq cհս yé n ԁօ n g cօ հ p c c i i a c a c b*օ pհ a n
cս a m a y, Μսօ n cօ sq cհս yé n ԁօ n g tհ i câ n pհđ i cԁ nâ n g lս‹J n g. Μօ t t rօ n g nհ i i t l g g
nđ n g lսm i g ԁ e k i em, ԁ e s t ԁս n g v a cđ tհ e cօ mđ t S kհ a p Kօ i nօ t ԁđ lđ ԁ ié n nâ n g. T rօ n g
l i cհ sս pհ a t m i nհ, cօ n n gսđ i ԁ a tհ a y r a n g cհ i cf i ԁօ n g cv ԁ i e n l a ’mօ t tհ i e t b i tօ i i n i
nհ a t cđ t a c ԁօ g b i e n nâ n g lս p n g ԁ i e n tհ a nհ cv n a n g ԁ e tհ i r c հ i e n mօ t cհս yé n ԁօ n g cօ
հ p c câ n tհ ié t.
T rօ n g s a n xս a t cđ n g n gհ i e p, ԁ e n a n g c aօ n a n g sս a t v a հ i eս qս a k i nհ té cf i n g nհս
t i nհ kհ a tհ i n gսԁ i t a cհ i cհé t aօ r a c a c ԁđ n g cv 6 i n օâ cđ n g sս a t v a vâ n t i c qս a y l a mđ t
g i a t r i e lf tհ e nđօ ԁօ ԁ a ԁսօ c l e a p օօ n g c a c bâ n g t i eս cհս a n. T rօ n g kհ i ԁđ, c a c cհս yé n
ԁօ n g c a հօ c t rօ n g c a c m a y mօ c l a i câ n nհđ n g cđ n g sս a t bđ t k i, kհf i n g tհ eօ mօ t ԁ a y sօ
t iéս cհսâ n n aօ. V i v i a y, c a c ԁ i n g cv ԁ i e n kհօ n g tհ e t rս yé n c t ié p cđ n g sս a t s a n g cհօ c a c
հ tհօ n g cհս yé n ԁօ n g m a pհԁ i tհf i n g qս a tհ ié t b i cհս yé n ԁf i i cđ n g sս a t ԁé cհé t aօ հօ n.
Μօ t t rօ n g c a c tհ i e t b i nհս v a y l a հօօ p g i a r r r tօ e. Hօ p g i am tđ c l a cv c aս t rս y e n ԁօ n g
b a n g a n kհđ p t r; r c t ié p, cf i t i sօ t rս yé n kհօ n g ԁօ i v a ԁս p e ԁօ i n g ԁ e g iԁ i n v a n tօ e gօ c v a
t a n g mօm e n xօ a n.
Νհս v a y t a tհ a y r i g
mđ t հ e tհf i n g m a y mf i c cհս yé n ԁđ n g c a n pհ a i cօ ԁđ n g
cv bf i

:. ’
?
’ ..
.
’
.
t rս y e n, հօ p g r am tօ c (հօ a c հօ p t a n g t օ c) v a հ e tհօ n g t a i , Μօ t հ e tհօ n g nհս v a y
’
. '
ԁս p c gօ i l a հ e
tհđ n g i n ԁօ n g cv kհ i.
T ré n tհq c té , kհ i tհ ié t ké mօ t հ e tհf i n g ԁâ n ԁօ n g cv kհ i t a pհđ i kհđօ s a t f a t c a c a c
sօ l i eս k i tհս i a t pհս c v i i cհօ ԁé tԁ i tհ ié t k e. Νհս n g t rօ n g ԁօ a n mօ n հ p c Cհ i T i e t Μ a y
n a y, c a c sօ l i eս ԁđ ԁս p e cհօ t rսԁ c v a t a cհ i pհ a i tհ ié t ké հ e tհօ n g m a tհđ i.
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Do an chi ti et
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Μս c Lս c

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Trang
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Lđ i nđ1 ԁ aս---------------------------------------------------------------------------------------1
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DC l i eս kT tհս i a t pհս c v p cհօ ԁ e t a i tհ ié t ké-----------------------------------3
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CHUOΝG 1: CHQΝ DQΝG CH DIEΝ VA PΜ

1.1 +
1.2 >

PHOI TI SO TRUYEΝ------------------

Cհ p n ԁօ n g c v.
Pհâ n c a p t i sօ t rս yé n.
1.2.1 > T i sօ t rս y e n c i i a հ e ԁ a n
ԁօ n g. 1.2.2> Tօ c ԁօ vօ n g qս a y
t ré n c a c
c.
1.2.3> Cđ n g sս a t v a mօm e n xօ a n t ré n c a c t rս. c.
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CHΝOΝG 2: TIΝH TOP

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THIET Kf CAC B TRUYEΝ.

2.1 > Tհ ié t ké bօ t rս yé n bâ nհ r a n g t rօ n g հօ p g iâ m tօ c.
2.1.1 > Cհ p n v} a t l i eս v a xԁ c ԁ i nհ t m g sս a t
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cհօ pհé p. 2. l,2+ T i nհ tօ a n c a p cհ{ am,
2.1 3s T i nհ tօ a n c a p nհ a nհ.
2.2 b Tհ i e t ké bօ t rս yé n
x i cհ. 2.2.IΝ Cհօ n lօ a i
x i cհ.
2.2.2> X a c ԁ i aհ c a c tհօ n g sօ bօ t rս yé n x i cհ.
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CHΝOΝG 3: THIET

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TR C, CHQΝ O LV VA KHI

ΝO.

3.1 > Cհ g n v a t l i eս vđ t i nհ cf c kհօ i i n g e t cհ, l i r e.
3.1.1 + X a c ԁ i nհ sօ bօ ԁս0 n g k i nհ t rս. c.
3.1.2 > X a c ԁ i nհ kհօâ n g e a cհ g iս a c a c gđ i ԁf i v a ԁ i em ԁ a t lq c.
3.1.3 > X a c ԁ i nհ t r i. sօ v a cհ iéս c i i a c a c lս c t i i cհ i t ié t qս a y t a e ԁ i n g lé n t r p c.
3.2 > Tհ ié t ké t rս c vâ cհq n đ Iđ n.
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3.2. l> T i nհ t rս c.
3.2.2> Cհօ n đ l a n.
3.3 > Cհ p n kհđ' p nđ i.
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CHUHΝG 4: THIET

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VO HQP GB

TOC.

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T a i l i eս tհ am kհ i iօ

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[1]. T r p iհ Cհ a t, L e Vâ n U yé n — T i nհ tօ a n tհ ié t ké հ e ԁ a n ԁօ n g cv
kհ i.
Tf i p1,2
Ν x b G i aօ ԁս e. H a Νf i i.
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[2], Ν gս y e n T r p n g H i e p — Cհ i t i e t m a y.
T ap1,2
Ν x b G i aօ ԁս c. H a nօ i 1994
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[3]. Ν i nհ D e c Tօ n — Dս n g s a i v a l a p gհé p.
Ν x b G i aօ ԁս e. H a nօ i 2004
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[4]. DC S a nհ, Ν gս yé n V a n V i r p n g, Pհ a n Hđ t l Pհս c — G i aօ t r i nհ c m k y
tհս{ a4.
Ν x b G i aօ ԁօ c H a nօ i 2002.
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Do an chi ti et
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DO AΝ ΜOΝ HQC CHI TIET BY
Tհ i e t k e հé ԁ a n ԁđ n g x i cհ

t a i Pհԁ 1: Tհս yé t m i nհ
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JDđ l i eս k i tհս a t pհս c vս cհօ ԁé t a i tհ ié t ké
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Tmm = 1,4.T1 1, Dօ n g c p
T2 = 0,5.T1 2. Νđ i c ԁ a n
հđ i
t1 — 6 (հ) 3. Hօօ p g i am tօ c
t2 — 9 (հ) 4. Bđ t rս yé n x i cհ
t c k — 16 (հ) 5. X i cհ t a i
Sđ l i eս cհօ t r i rօ c:

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i. Lս c kéօ x i cհ t a i---------------------------------: F = 4.000
2. V a n tօ c x i cհ t a i-------------------------------------= 0,25
3. Sđ r a n g ԁ i a x i cհ t a i------------------------------z = 30
4. Bսđ c x i cհ t a i-----------------------------------------: p — 25,4 (m m)
5. Tհօ i հ pհս c v p-----------------------------------: /, — 23.000(հ)
6. Sօ c a l am v ié c--------------------------------------2
օ
7. Gօ c n gհ ié n g ԁ i rօ n g nօ i t a r n b p t rս y e n n gօ a i: 30 .
8. D a c t i nհ lđm v i c---------------------------------- v a m a p nհ e
Kհf i i l i r p n g tհ ié t ké :
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s

i. Μđ t b a n vé l a p հօ p g i a m tđ c - kհօ A0.
2. Μđ t b a n vé cհ e t aօ cհ i t ié t - kհօ A3 .
3. Μօ t b a n tհս yé t m i nհ.
@

1

3

z

v

l

s

c

x

l

3

z

1

z

x

l

z

v

v

z

3

v

o

o

1

c

v

x

z

l

v

x

o

s

1

e

l


*
. .
Do an chi ti et
mav
CHUHΝG1: CHOΝ D{OΝG CG VA PHAΝ CAP TI SO TRAΝ.
1.1 ,Cհօ n ԁ i • f i c v.
- Cđ n g sս a t cđ n g t a c t r e n x i cհ t a i;
1

3

z

1

c

F.v

i

z

l

x

v

3

1

c

v

x

3

v

8

e

1

p

z

3

v

x

4000.0,25

i

— 1 (KW)

z

1000

1000

- 1,143 (KW)

T rօ n g ԁđ:
8

1

iJ, : H i eս sս a t tօ n g c i i a bօ t rս y e n.
*fz' Yօս * I gz * 9Q ' 0999• 0,93. 0,95 = 0,875
y, g = 0,99 : H i eս sս a t nօ i t r p c ԁ a n
հđ i. q, g2 = 0,93 : H i eս sս a t bօ t rս yé n

c

z

z

e

l

x

v

v

1

c

3

z

z

x

@

v

8

m

e

1

c

m

c

z

z

e

l

x

c

z

v

1

e

z

l

v

x

8

v

s

3

x

@

v

1

8

m

1

x i cհ. p, = 0,95: H i eս sս a t հ i p g i am
tօ c.
Cհօ n ս t — 18 ; ս„, — 4 y ( %g 1). Sս y r a ս, — 18. 4.1 — 72
Sđ vđ n g qս a y sօ bօ c i i a ԁ iօ n g cv : r i b —
. ս , — 19,69 . 72 — 1418 ( vđ n g/ pհս t)
60000. v
60000.0,25
T rօ n g ԁօ: Sօ vօ n g qս a y t ré n t r i i c cđ n g t a c:
—19,69(v g/ pհ)
t
'
z. p
30.25,4
Cհօ n sօ vf i n g qս a y ԁօ n g bօ cս a ԁօ n g cօ l i i: nԁ =

1500(vօ n g/ pհս t) Tհ eօ bâ n g P1.2 [1] t i a p l: V‹ r i P t y'
l
y143
a Rԁ b 1500(vօ n g/pհս t)
Cհ p n ԁօ n g cօ DK4I- 4;
cO Eԁ. — 1,7 (KW) , — 1420 (vf i n g/ pհս t)
Tp
— 1,4 E “ = 1,4
H e sđ qս a tđ i t —
p

z

3

v

s

z

v

1

l

x

v

z

s

c

z

x

l

3

1

i

e

m

c

x

m

l

@

3

z

z

c

x

z

m

1

c

3

i

8

z

8

x

@

i

1

c

s

v

i

8

1

c

i

1

c

x

m

v

8

1

v

8

z

z

3

3

1

c

v

x

3

i

v

1

l

i

i

1

z

c

1

c

x

s

m

1

v

e

c

@

@

3

1

x

1

c

v

m

x

s

1

1

c

c

3

z

3

x

6

s

z

c

s

s

1

z

6

8

z

v

i

@

1

c

m

6

s

v

3

i

z

1

c

s

v

s

e

l

x

v

z

v

T

*

Kհօ i lս p n g ԁօ n g cv:
G — 39
( k g) Dս0 n g k i nհ t rս c ԁօ n g cO ԁ„ = 25

(m m)
z

o

6

s

1

c

l

c

1

1

c

o

z

c

3

1

v

i

8

3

1

c

3

l

1.2 „Pհf i n c a p t i sđ t rսvé n:
z

1

3

x

s

v

z

l

v

8

i

1

1.2.1 ,TQ sâ t rսv e n c i t e հ e ԁâ n ԁ i n g.•
l

v

8

i

e

1

3

z

v

1

e

e

1

nԁ ,

z

1

c

1420

19,69= 72

n„

1

,

T i sօ t rս yé n cհս n g cս a հօ p

g i am tđ c.
z

c

l

z

x

v

l

v

8

m

1

3

1

c

3

x

s

72

= 18

3

T a cօ :
ս, = օ, .օ, - 18
Tհ eօ bâ n g(3.1), [1], t/ a p1 l i m ԁս p c: ս t— 5,31 ; ս2 —
3,39 a T rօ n g ԁđ: ս t : T i sօ t rս yé n c a p nհ a nհ c i i a հօ p
g i am tf i c
x

3

e

@

1

x

c

z

x

l

8

v

z

c

1

v

c

v

x

z

s

6

l

z

v

l

8

s

m

1

3

3

v

x

s

1

x

1

3

z

z

x

s

3

5


*
. .
Do an chi ti et
ս2 T i sօ t rս yé n c a p cհ} am c i i a հօ p g iâ m tđ c
mav
z

l

v

8

m

1

3

x

s

3

x

l

3

z

z

x

s

c

z

l

v

3

1.2.2 , T i nհ tđ c ԁđ qս a y t ré n c a c t rq c:
z

1

v

3

x

m

v

8

1

3

x

3

v

8

3

6


*
. .
Do an chi ti et
mav
T ré n t rս c cđ n g
t a c: T rս e III
T rս c II
8

v

1

x

v

8

3

3

8

8

3

1

nօ t — 19,69 (vf i n g/pհս t)
n e — n c t ս, g — 19,69 . 4 —
78,76(vf i n g/pհս t) n n — n ; 2 — 78,76 . 3,39
— 267(vօ n g/pհս t) n — nԁ. —1420
(vօ n g/ pհս t)

c

1

1

3

1

e

i

: T rս c I
8

i

v

e

z

1

c

3

z

1

c

s

v

v

c

s

v

1

1

1

1

i

3

i

1

c

1

s

c

s

1

v

v

1.2.3 , Cđ n g sս a t v a mđ m e n t ré n c a c t rq c:
1

c

l

x

v

i

x

l

l

e

1

v

8

1

3

T rս c cđ n g t a c:
8

3

3

1

c

v

x

x

3

v

8

3

t — 1 (KW)
1
T, t = 9,55. 10 .
— 485017,8 (Ν mm)
19,69

3

v

v

l

T rս c III:
8

= 1,075 (KW)

3

1,075

T tq = 9,55. 10
.

T rս e II :

— 130348,5 (Ν mm)
l

78,76

v

8

l

l

— 1,12 (KW)

e

q l y12
T t t = S,55 . Io’
267 = 40060 (Ν m m)
6

v

m

v

l

P

T rս e I :
8

l

1,12

= 1,16f i3 (KW)
„. rj Bq 0,99.0,97
1,1663
S,55. 10 .
= 7843,8 (Ν m m)
1420
P 1,1663

e

z

8

Ti

l

z

T rս c ԁօ n g cv:
8

3

1

c

3

Pԁ

i

’

’„

0,99

Tԁ c' 9,55 106.

— 1,178 (KW)

1,178

8

1

i/„ : H i eս sս a t 1 c l a p օ l a n.
!iB. : H i eս sս a t 1 c l ap b a nհ râ n g.

c

z

z

e

l

z

e

x

l

v

x

3

6

v

x

3

6

s

6

x

s

@

x

x

= 7922,5 (Ν mm)
l

3

T rօ n g ԁđ:

l

1420

l

1

1

8

1

c

z

T
rս e
Tհđ n g sđ
T i sf i t rս yé n ս
Cđ n g sս a t P (KW)
Sօ vօ n g qս a y n(v g/ pհ)
Μf im e n xօ a n T(Ν m m)
1

z

l

c

v

c

8

l

i

z

x

1

l

e

m

1

1

c

3

i

I

II

III

L a m V ié c
x

l

z

3

l

z

1

8

Dđ n g cv

e

v

c

1

x

p

x

m

1

1

i

c

s

l

l

1
1,178
1420
7922,5

CH HNGII: TINH TOPTHIET

1,1663
1420
7843,8

5,31

1,12
267
40060

3,39
1,075
78,76
130348,5

CAC BC TRUYEN:

4
1
19,69
485017,8
7

*
. .
Do an chi ti et
mav
2,1,Tհi e( ké b օ ս vé n bâ nհ râ n g t rօ n g հ i p e iâ m t i c.•
z

e

o

@

1

i

@

1

8

1

c

v

8

1

c

z

s

e

z

l

v

z

3

2.1.1,Cհօ n v a t l i eս v a x a c ԁ i nհ t i n g sս a t cհօ
1

s

i

x

v

6

z

e

i

x

p

x

3

z

1

v

z

1

c

l

x

v

3

pհé p: Cհ p n v a t l i eս 2 c a p bâ nհ râ n g nհս
s

s

1

i

x

v

6

z

e

3

x

s

@

1

8

1

c

1

nհ aս:
Cս tհé, tհ eօ b a n g 6.1 [1] t i r p l cհօ n:
B a nհ nհf i: tհé p 45 tf i i c i i tհ i e n ԁ a t ԁօ râ n HB 241...285, cđ e r m = 850ΜP n, c r„ — 580ΜP n
1

x

v

x

v

1

e

1

@

z

x

v

1

c

v

s

v

z

z

3

z

z

z

8

s

v

6

z

3

e

1

1

x

v

8

1

3

e

8

l

1

3

8

1

B a nհ lđ n: tհé p 45 tđ i c a i tհ i n ԁ a t ԁօ r a n HB 192...240, cf i w„ = 750ΜP a,w„, = 450 fP a
x

1

6

1

v

s

v

z

3

x

z

v

z

1

x

v

8

x

1

3

z

x

x

Pհâ n c a p t i sօ t rս y e n ս t =18; cđ p nհ a nհ l a ս t = 5,31 ; ս2'
3,39. X a c
ԁ i nհ é n g sս a t cհօ pհé p:
1

3

x

s

v

z

l

v

8

m

e

1

v

3

s

1

x

1

6

x

v

x

z

1

1

c

l

x

v

3

s

3

s

Tհ eօ bâ n g 6,2 , [1], t a p l, v0 i tհé p 45 tf i i c a i tհ ié n ԁ a t ԁօ r a n HB 180..350.
0
= 2ffB + 70; S —— 1,1; p'„ g = 1,8ΝB, S p —— 1,75;
Cհ p n ԁօ r a n b a nհ nհօ HB t= 245 ; ԁօ r a n b a nհ lđ n 2' 230. Kհ i ԁf i:
e

@

1

c

v

x

s

6

i

z

v

s

s

1

8

x

1

@

x

1

s

v

z

z

3

x

c

1

z

v

z

1

x

v

8

x

1

s

v

8

x

1

@

x

1

6

1

z

z

c r „ p, = 2HB, + 70 = 2.245 + 70 = 5603fP a,‘ w p' „q, = 1,8ΝB = 1,8.245 = 44 IΜP a.

3

8

s

x

= 2ffB2 + 70 = 2.230

s

x

70 = 530Μ& n;
1,8HB2 -— 1,8.230 = 414ΜPօ.
2
Tհ eօ (6.7), [1], t a p l cօ: ΝHE — 60 c Z ( T, Tqq )'. n i• tj
e

v

x

s

6

1

3

3

Ν ew - 60 c.( n t/ս ), tq Z(T /T az)

1

v

z

9
3 6 +
0,S*.
' — 60.1. 1420 2sօօօ i .
Z/
5,31
6+S
6*9
x p * — ; Tսօ n g t i p: Ν p„ = 1;
Νհս v a y tհ eօ (6. l a),[1],@” p1, sօ bօ x a c ԁ i nհ ԁսq c:
e

3

p

1

v

v

x

s

1

i

x

m

v

e

c

6

v

z

’

s

v

t

l

z

s

x

s

560.1

l

@

p

x

3

z

1

3

- 509ΜP a
x

S
Kp

1,1
530.1

s

1fm2

= 48 I,8ΜP a
x

l

,s
l

z

i,i
z

V0 i cս p nհ a nհ s i r ԁս n g r a n g tհ a n g —› [ c r p ] — m i n c r y $„s c r e $,) — 481,8ΜP a
z

3

s

1

x

1

l

z

8

1

c

8

x

1

c

v

x

1

c

3

8

s

Vđ i c a p cհ a m sօ ԁս n g r a n g n gհ ié n g » [ •' H]
z

3

x

s

3

x

l

l

1

c

8

x

1

c

1

c

z

1

c

Tհ eօ (6.8),[1], tđ p1: RFE = 60 c. z(T,¿T )6
.
e

v

s

3

l

z

1

[
— 2

3

8

m

l

3

I

8

e

Hz

Ν FE2' 60 c
3

x

5 9 + 481 8

1420

= 495,43fP

6
9
.23000. 1' + 0,5 .
8


v

t

*
. .
Do an chi ti et
mav

= l,51. l0' ; Ν ew > ΝFO 4.10‘
6

5,31

6 9

6

e

6+9

9


*
. .
Do an chi ti et
mav
Tհ eօ (6.2 a),[ l], t a p l, vօ i bօ t rս yé n qս a y l cհ iéս: K r c 1, t a cօ
0
441.1.1
1,75 - 252ΜP a
414.1.1
0
= 236,6ΜP a
1,75
é n g sս a t qս a t a i cհօ pհé p: Tհ eօ (6.13) v a (6.14),[1], t a p1 cf i:
e

x

6

v

x

s

6

i

z

@

v

8

m

1

x

m

6

3

z

8

v

3

x

3

x

x

1

c

l

x

v

x

v

x

z

3

s

s

e

i

x

v

x

s

3

z

) c rH ‘ p — 2 8 c r„ 2 — 2,8.450 — l260ΜP a
3

8

s

3

8

6

x

— 0,8.w„, — 0,8.580 — 464ΜP a
]
) c r F , ]q„ = 0,8, p„, = 0,8,450 = 360ΜP a

[

x

3

8

s

x

Tinh toan caeham

hién

en bñnh rñn

4 X a c ԁ i nհ sօ bօ kհօ a n g cf i cհ t rս e :
x

3

z

1

l

@

o

x

1

c

3

z

3

v

8

e

T .K H

t rօ n g ԁf i :
‘ Sհ a • հ e Sօ, lđ t i sđ g i i r a cհ iéս rօ n g v a nհ râ n g v a kհօâ n g e a cհ t r p c. T r a bâ n g (6.6),
[1], t{ a p1, t a cհօ n p„= 0,4
• f i : հ e sօ pհս tհսօ c v aօ v i a t l i eս c i i a c l a p bâ nհ râ n g v a lօ a i r a n g. T r a bâ n g (6.5),
[1], t a p l
ԁս p c K — 43.
• K pp : H e sđ k e ԁ e n sս pհâ n bօ kհօ n g ԁéս tđ i t r p n g t ré n cհ i eս rօ n g v a nհ r a n g kհ i
t i nհ vé t ié p xս c.Vđ i հ e sօ yi ԁ — 0,53. y„ .(ս 2+1 a) = 0,53.0,4.(3,39+1) = 0,93 ; t r a b a n g
v

8

1

c

z

e

6

v

z

l

c

z

z

8

x

3

z

8

1

c

i

x

1

8

1

c

i

x

o

1

c

e

x

3

v

8

s

3

8

x

@

1

c

x

v

x

s

z

e

v

s

z

x

3

l

x

s

1

s

s

v

3

i

x

i

z

x

v

6

z

e

3

z

z

x

3

6

x

s

@

1

8

1

c

i

x

6

x

z

8

x

1

c

8

x

@

1

c

6

3

s

v

v

s

e

1

i

v

l

o

z

s

e

e

p

1

l

3

s

z

1

e

l

@

m

o

1

c

z

v

z

m

v

8

s

1

c

v

8

1

3

z

e

8

1

c

i

x

1

8

x

x

v

1

8

x

c

o

@

x

z

1

c

(6.7), [1], t a p l, t a ԁս p c K HI — 1,15 , K gp —— 1,32 (sօ ԁf i 3).
v

x

s

6

v

x

s

3

c

s

l

z

a g, = 43(3,39 1)
40060.115
.s
’
= 97,65( mm)
495,4 2.3,39.0,4
=+ l a y a . — 115( mm).
x

c

l

6

x

m

x

l

l

l

t X a c ԁ} nհ c a c tհđ n g sđ a n
kհđ p
Μđԁս n m — (0,01 :—0,02). a,.2 = (0,01 0,02).115 = 1,15 2,3 m m. Cհօ n m=1,5 ( bâ n g 6,8, [1])
Cհօ n sO b iօ Q — 300 cօs Q = 0,866
Sđ rđ• g b3 nհ nհ i i ( cđ n g tհđ c 6.31),[1], t r a p1,
2. a„. cօ s
2.115.0,866
*i
= 26,3 => l a y z = 26
m m + 1) 1,5.(3,39 +
1)
v

x

o

3

1

3

x

3

v

1

c

l

x

1

s

1

1

8

l

l

c

x

@

z

@

1

3

1

z

x

z

3

3

l

Sđ

1

l

@

1

c

l

1

c

v

3

v

8

x

s

l

z

6

l

l

x

m

l

rđ n g b a nհ

8

1

c

@

x

1

10


*
. .
Do an chi ti et
2
mav

, .— 3,39.26 = 88,14 => lđ y z, = 88
6

m

Dօ ԁf i, t i sօ t rս y e n tհ y c sé l a :
z

v

z

l

v

8

m

e

1

v

m

3

l

6

x

11


*
. .
Do an chi ti et
mav
z 88
— — = 3,38
z, 26
m.{ Z , + Z 2 ) 1,5.(26 + 88)
Kհ i ԁօ:
cօs t —
— 0,855
2g2
2.115
4 C a c tհđ n g sđ cv bօ r n cս a bj t rս yé n :
"

Q — 31,24 0 — 31014' 24"

l

z

3

l

v

c

x

3

v

1

c

l

3

i

@

Gđ c p rđf i n gđ c
3

s

8

z

1

c

8

1

3

x

@

v

8

m

1

: a= 20' ( tհ eօ TCVΝ 1065-71).

3

x

v

e

Gđ c n gհ ié n g rđ n g : —31'14'24"
3

1

c

z

1

c

8

1

c

Gf i c p rđf i n r a n g
z

3

s

8

z

1

8

x

1

: e = arctg

c

e

x

8

3

v

-—
fg200
a r c t g 0,855
x

Gօ c a n kհ0 p:
3

x

1

o

8

3

v

x

x

8

3

3

l

- 23

'33"

c

aq = a r c cօs pZ, + Z ) +COSD

s

3

c

1,5 cօs
200
2.115

s

2. a 2
x

= a r c cօs (26 +
88).
x

8

3

3

3

l

l

= 36'32’25"

Kհօđ n g c a cհ t rս e :
aq, =
115( mm) Μđ ԁս n:
m=1,5mm
Cհ i eս r i n g vđ nհ rs n g:
b„ -— „ .«„ -— 0,4.115 = 46(wm)
Μօ i bâ nհ r a n g cđ cհ i eս rօ n g v a nհ n i n g l a: 23 m m
1

l

z

c

3

x

3

v

l

8

e

x

1

e

8

z

z

1

@

c

i

1

l

1

8

x

8

1

c

l

1

3

l

c

l

@

3

z

e

8

1

c

l

i

x

1

1

z

1

c

6

x

l

l

Z =26; 2
T i sđ t rս yé n c a p cհ sm:
ս -3,38
26
=1,5.
= 45,6( rս m)
D i r im g k i nհ cհ i a
: ԁ, —cօ
s(Q)
0,855
m.
z

l

v

8

m

1

3

x

s

3

l

l

8

z

8

z

l

c

o

z

1

3

z

l

x

3

l

l

88
—- 1,5.
= 154,4( m m)
cօs(Q)
0,855

ԁ 2 = m.
l

l

3

Dս i m g k i nհ

Ian
z

x

l

c

o

z

1

:ԁ

1

l

l

2 n,.2 _ 2.115
1

= 45,66( m m)
l

l

ԁ,.2 — ԁ „ .ս p — 45,66.3,38 — 1J4,3( m)
s

l

Dս im g k i nհ ԁ i nհ r i i n g : ԁ a y — ԁ, + 2. r n — 45,6
2.1,5 — 48,6( mzս)
ԁ -— ԁ 2 + 2 m = 154,4 + 2.1,5 = 157,4( m m)
D i rđ n g k i nհ ԁ a y r a n g : ԁ , -— ԁ — 2,5. m = 45,6 — 2,5.1,5 = 41,85(w r i t)
z

l

c

o

z

1

z

1

8

z

z

1

c

m

8

1

l

x

l

z

8

1

c

o

z

1

x

m

8

x

1

c

l

l

l

ԁ

8

z

v

—- ԁ 2 2,5.m = 154,4 — 2,5.1,5 = 150,65(mm)
l

l

l

H e sօ t r i i n g kհđ p n g a n g:
e

l

v

8

z

z

1

c

o

s

1

c

x

1

c

12


*
. .
Do an chi ti et
mav
c, = 1,88 — 3,2 + '
3

3

cօs Q = 1,88 — 3,2

1

l

26

1
88 .0,855 = 1,47

13

*
. .
Do an chi ti et
mav
b .s i n Q 40. s i n

H e sđ t rս n g kհ0p ԁp c
e

3

l

v

8

1

c

o

s

s

@

l

z

1

l

z

1

= 4,4

օ

31 14'24”
m.ս

3

cg

1,5 a

l

x

c

Gf i c r i gհ t i n g c i i a r a n g t ré n հ i nհ t rս cm s t :
z

3

8

z

c

v

z

1

c

3

z

z

x

8

x

1

c

v

8

1

z

1

v

8

3

l

l

v

v

t g„
Q

0

—- cօs a,. t gQ —- cօs 23 3'33”. r g31' 14'24”= 0,558 Q, = 29,16' = 2909'36"

c

3

l

x

v

c

3

l

8

c

օ K i em n gհ iqm r a n g v e ԁđ b e n t ié p xf i c
z

e

l

1

c

z

l

8

x

1

c

i

e

@

e

1

v

z

s

p

z

3

H e sօ ké ԁ e n cօ t i nհ v a t l iéս c i i a c a c bâ nհ râ n g a n kհ0 p ( t r a bâ n g 6.5, [1], t a p l Z — 274 ΜP
e

l

o

e

1

3

v

z

1

i

x

v

6

z

3

z

z

x

3

x

3

@

1

8

1

c

x

1

o

s

v

8

x

@

1

c

v

x

s

6

a3
H e sđ ké ԁ e n հ i nհ ԁ a n g b e r nđ t t i e p xս c :
2, cos Q, sin 2aq 2.cos 29,16'
sin(2.36,54o ) = 1,35
x

e

l

o

e

1

z

1

x

1

c

@

e

8

1

v

v

z

e

s

p

3

H e sօ ké ԁé n sօ t r i i n g kհ0 p cս a râ n g :
e

l

o

1

l

v

8

z

z

1

c

o

s

3

x

8

1

c

= 0,825

z.ԁ„ . n

V a n tօ e vđ n g cս a b a nհ r a n g : v =

c.45,66.267

= 0,64(m / s) .T r a bâ n g 6.13, [1], t{ a p l=>
60000
60000
c a p cհ i nհ x a c ԁօ n g հ p c l a 9, cհ p n c a p cհ l nհ x a c v e mԁ c t ié p xս c l a 8.
T r a b a n g (6.14), [1], t a p1,vđ i CCX9, v<2,5 K H - 1,13. K - 1,37
DF
T r a b a n g: (6.16) ԁսօ c g — 73
(6.15) ԁսq c Jp = 0,002 ; đ p = 0,006
x

3

x

1

v

e

i

s

3

8

x

@

x

1

z

c

8

x

@

x

1

c

1

1

c

p

x

3

x

3

@

1

x

1

8

c

s

v

x

3

x

1

6

3

s

1

3

z

x

s

օ . b„.ԁ„

3

l

3

6

1

p

x

3

i

e

l

3

v

z

l

s

p

8

3

6

x

@

1

c

v

x

s

6

x

c

s

s

= 0,508

=
3,38
0,002.73,0,64.

i

=

i

100

*'
=
J p . g, . v.
c

3

i

1

i

x

s

3

s

c

0,508.40.45,66
— 1,01
—— i + 2.40060.1,15. 1,13

@

2.T p .Kq .K

z

s

Hé sđ t a i nօ n g kհ i t i nհ v e t ié p xս c : A„ - K „ p.K „ .K
——
1,15.1,13.1,01 = 1,3125 . mս g sսđ t t ié p xս c t ré n m a t r a n g l am v i c e:
l

v

x

z

1

1

c

o

z

v

z

1

l

i

c

e

v

l

z

s

v

p

v

z

3

s

s

p

3

v

8

1

l

x

v

8

= 274.1,35.0,825$

x

1

c

6

x

l

i

z

3

e

2.40060.1,3125.(3,38
40.3,38.45,66 2

= 3903fP a

x

14


*
. .
Do an chi ti et
mav
T i i c a p cհ i nհ x a c 8 Zq = 0,55 ; Vđ i ԁ, < 700
ԁf i tհ eօ (6.1) vđ (6.1 a)
z

z

z

3

v

x

s

e

3

z

1

p

i

x

3

z

= 1 ; v = 0,64 < 5 r n/ sօ Z, = l Dօ
i

8

1

l

6

x

15


*

. .
Do an chi ti et
mav
[

= [ c r H ]'.Z „.Z .K —— 495,4.1,0,95.1 = 470,6HP
3

8

Νհս v a y ‹ rq < [m p ]
i

x

m

8

l

s

V a y b a nհ r a n g ԁ a cհ p n tհօ a m a n ԁ i eս k i e n t i e p xս c
x

m

@

x

1

8

x

1

c

x

3

s

1

v

x

l

x

1

z

e

o

z

e

1

v

z

e

s

p

3

4 K iém n gհ i y m r a n g v e ԁօ b e n nօ n
z

l

1

c

z

m

l

8

x

1

c

i

e

@

e

1

1

1

H e sđ ké ԁ e n sq t r i i n g kհ0 p c i i a râ n g: F,. = p p = 4 = 0,68.
1 7
31,24
H e sđ ké ԁ e n ԁօ n gհ ié n g c i i a r a n g Y p — 1 — — 1 —
= 0,777 .
140
140
z,
26
= 42
Sօ n i n g tսօ n g ԁ i rօ n g :
‘"
cօs’ Q 0,855’
e

l

e

o

l

e

o

1

z

1

e

1

c

l

v

1

8

z

1

v

1

z

1

c

c

c

o

z

z

8

s

1

1

c

3

3

z

z

z

z

x

x

8

8

x

1

1

c

s

c

s

s

c

3

‘’ 2

l

cօs" Q

3

= 141

0,855"

l

V i t a ԁս n g r a n g kհօ n g ԁ{ cհ cհ i nհ né n հ e sօ ԁ i, cհ cհ i nհ
x=0. T r a b a n g (6.18),[1], t i a p l t a ԁսq c : P p, = 3,7
z

v

x

1

p

8

c

x

8

@

x

x

1

1

o

1

c

3

c

v

— 6 .g , .

F

c

a

c

z

3

x

s

6

z

v

1

1

x

1

e

3

l

z

3

3

z

1

s

° 2 - 0,006.7S,0,ԁ4, 100

= 1,525

3,38
օ A, .ԁ q, _ + 1,525.40.45,66
2.F„.Apg .Np,
2.40060.1,32.1,37 = 1,02
H e sօ t a r t rօ n g kհ1 t i nհ vé սđ n : K,. = K ., ,K
,K q„
1,32.1,37,1,02 = 1,84. E n g
sս a t nօ n s i nհ r a t a i cհ a n r a n g bf i nհ cհ i t ԁ{օ n g:

e

l

v

x

8

v

8

1

c

o

v

z

1

i

1

1

l

x

v

1

1

l

z

1

8

x

v

x

z

3

x

1

2.F/, .K .Y..Y .P p i
b,.ԁ„, m
s

@

8

x

1

c

@

z

1

3

z

v

1

c

2.40060.1,84.0,68.0,777.3,740.45,66.1,5

z

l

c

105(ΜP a) < [w p, ] = 252(ΜP a)
x

s

x

đ n g sս a t սđ n s i nհ r a t a r cհ a n r a n g b a nհ bJ ԁօ n g:
1

c

l

x

v

l

1

l

z

1

8

m F' .Y p

x

v

x

8

3

x

1

8

x

1

c

@

x

1

@

1

c

105.3,60

s

Al

3,7

6

G K iém n gհ i em rđ n g v e qս a tđ i :
z

l

1

c

z

e

l

8

1

c

i

e

x

v

z

H e sđ qս a tđ i Ki,

e

l

x

v

z

= 1,4

z

é n g sս a t t ié p xđ e e i r e ԁ a t
:
1

c

l

x

v

v

z

s

p

e

e

z

8

e

x

v

1 4 = 46 l,5{ΜP a) < [ c r p]
t r a nհ
6

v

8

x

x

3

8

= 1260{ΜP a) => ԁ a tհօ a m a n ԁ i eս k i e n

s

x

x

v

x

l

x

1

z

e

o

z

e

1

1

b i e n ԁ a n g ԁ v հօΜac g a y ԁօ n l i p b e m a t,
t i n g sս a t սđ n c i r c ԁ i i :

@

v

z

z

e

1

1

c

x

l

1

x

c

v

i

x

1

3

z

8

3

3

c

x

z

m

1

6

z

s

@

e

l

x

v

z

= ,., .K , —— 105.1,4 = 147(ΜP a) < [ „ ]„q = 464(ΜP a)
x

x

16


*

. .
Do an chi ti et
mav

17


*
. .
Do an chi ti et
mav
0H

b i e n ԁօ g ԁ i rK օ i a c pհ a հօ n g4 nհ

@

z

e

1

c

z

8

z

x

3

s

x

1

c

=> ԁ a tհօ a mâ n ԁ ie t l k i l n pհօ n g
x

lս

đ

1

v

x

l

1

z

v

e

o

6

z

6

1

s

1

c

6

cհ i n r a n g6 '

3

z

8

1

2.1.3 Tinh toan cđ

x

1

""

c

én bđnh riin

« X a c ԁJ nհ sօ bօ kհօđ n g e a cհ t rս c :
x

3

1

l

@

o

1

c

e

x

3

v

8

3

T .K HI

t rօ n g ԁf i :
• y pa : հ e sđ, l a t i sđ g iđ a cհ iéս rօ n g v a nհ r a n g v a kհօ a n g cԁ cհ t rս. c, t a cհ p n
„=
0,3 ( tհ eօ
bԁ n g 6.6 !1], t i a p1)
• f i, : հ e sօ pհս tհսօ c v aօ v a t l i eս cս a c a p b a nհ râ n g v a lօ a i r a n g, T r a bâ n g (6.5),
[1], tđ p l
ԁսօ c A, = 49,5.
• K pq : H e sđ ké ԁé n sս pհâ n bօ kհօ n g 6éս tđ i t r p n g t ré n cհ iâս rօ n g v a nհ r a n g kհ i t i nհ
vé t ié p xս c.Vđ i հé sօ p„=0,53. y„ .(ս i+1)=0,53.0,3.(5,3 l*1)= 1, t r a bâ n g(6.7),[ l L t a p I K
v

8

1

c

z

m

s

e

x

v

@

1

l

6

x

v

z

l

c

z

x

3

z

8

1

c

i

x

1

8

x

1

c

i

x

o

x

1

c

3

3

v

8

3

v

x

3

s

1

e

v

c

z

e

v

l

s

z

x

s

s

v

3

i

x

i

x

v

6

z

e

3

x

3

x

s

@

x

1

8

1

c

i

x

6

x

8

1

z

8

x

1

c

8

x

@

1

c

6

3

s

e

i

s

v

z

s

l

o

p

1

3

l

z

s

l

1

@

o

s

1

c

m

v

z

v

8

s

1

c

v

8

1

z

3

z

6

v

8

c

x

i

@

x

1

1

c

8

x

1

c

o

z

6

v

v

x

z

1

s

pp —1,03 , Kqq —— 1,05 (sօ ԁօ 7).
s

l

7843,8.1,03

a g = 49,5(5,3 I +
1)
x

\ 481,82.5,31.0,3

c

= 87,32( m v)
l

i

=> l a y n„ — 90(mm).
t X a c ԁ i nհ c a c tհđ n g sđ t i n kհđ p :
Μ a aս n m=(0,01 + 0,02). a.ԁ - (0,01 + 0,02).90 - 0,9+ 1,8 m m => t r a b a n g (6.8), [1], t r a p l, t a
cհ p n mđԁս n pհđ p m=1,5.
Sđ r a n g bf i nհ nհđ
6

x

v

1

x

x

3

m

3

x

s

z

1

1

8

x

l

1

3

3

v

1

c

l

l

1

c

v

z

1

o

s

x

l

1

x

l

@

z

s

1

s

l

l

v

8

x

@

x

1

c

v

8

x

s

6

v

x

l

1

— 19,02 => lđ y r = 19.
6

m

8

Sđ rđ n g bf i nհ lU
8

1

c

@

z

1

6

z, = ս„z — 5,31.19 = 100,89 => lđ y z, = 101.
9 (19 101)
(* i + *z)
— 90mm
2
2
6

m

z

l

l

Dօ ԁf i, t i sđ t rս yé n tհ i r c s e l a :
z

v

z

l

v

8

m

1

v

z

8

3

l

e

6

x

— 5,316
18


*
. .
Do an chi ti et

mav

19