Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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MỤC LỤC
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam

Z!,e!^
2;7o!4!V1-
Phần 1: TỔNG QUAN VỀ LY HỢP
1.1. Công dụng, phân loại, yêu cầu:
1.1.1. Công dụng:
/1!2J$A!2$/;7"!G<I$I0G7:+G-)$$-!+5!/&$D; !$/=!20!EES
!4!2F!G-^
pA%)!2,J$A!2$/;7"!G<#I$Ig;7(!
p2T$%)!2/ #dJ$A!2$/;7"!G<$/1!2$/'?!2:+#I$I#-!
1>@ !2@A
pVKLK1G-&; !$1-!1.$$U J$A!2$/;7"!G<#2>+
D;.$K'$/1!2$/'?!2:++ !%)$!2)$-#I!2!KG7:+
1.1.2. Phân loại:
a. Theo phương pháp truyền mômen:
]1+'!2+.+$/;7"!I]!$X$/N#;q;U %)!2%!J$A!2
$/;7"!G<!2'?$  G7:+$-!.G19@ ;^
- r7:+ @.$^I]!$/;7"!%)!2!?.L">$ @.$
- r7:+$;qG<^I]!$/;7"!%)!2!?!4!2G':!2U &$Gd!2
- r7:+%J!$X^I]!$/;7"!%)!2!?$.gN!2U $/'?!2! 6%J!
- r7:+Ge!:+^I]!$/;7"!%)!2Ls!2.#$:+ $/1!2.G19#(
$/e!
b. Theo trạng thái làm việc của ly hợp:
]1$/9!2$.G-,JU G7:+!2'?$  G7:+$-!.G19@ ;^
- r7:+$'?!2%E!2
- r7:+$'?!2
c. Theo phương pháp sinh lực ép trên đĩa ép:
]1+'!2+.++.$@!G<t+$/e!%u t+!2'?$  / $-!.G19G7
:+@ ;^
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
3

SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
4
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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1. L.!%-| `L-!%9+|
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- E.$$U%)!2L 12i^L.!%-0,dG7:+0%u t+0%R!,-.GRB1
t+zG7:+1-!$1-!$H.$$$;)!EU%)!2@YD; 7W!2,
L.!%-
- E.$$Lk%)!22i%u Lk%)!2v%u  @.$w0$/NG7:+zG7
:+1-!$1-!$H.$$$;)!ELk%)!2@Y%S!27e!
- ]1@%i&;$91H!,Y$H,dG7:+ƒ%':LT$A%k!,L.!%-{Ls!2.
L;GI!20%u t+•E$(gk;7(!$k!$!$/1!2,d,-EL)+*!$/;7"!I]!$X
,dƒ,-1%u t+.$${0•0•0ƒ%':2=G-+5!U%)!2U G7:+$$@A}
%':2=G-+5!Lk%)!2U G7:+0.L)+*!R!G9$;)L)+*!gQ!%)!2G7
+
b. Nguyên lý hoạt động:
- /9!2$.%E!2G7:+^$/9!2$.!-7GRB1•)$%5;$< ,-1,dƒ0%5;R!G9$H
,-1%u t+@A•$91G<t+%(t+>$%u Lk%)!2},L.!%-@A{1+5!U%)!2
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
5
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
,-+5!Lk%)!2$91$-!{#AS!2z!-7I]!$X%)!2%':$/;7"!$X
+5!U%)!2@ !2+5!Lk%)!2U G7:+$I!2D; .L">$ @.$U %u Lk
%)!2},%u t+•,-L.!%-•+%EI]!$/;7"!,-1B'!2%u Lk%)!2D; L)

•Vu Lk%)!2| {‚/NG7:+| {„VR!|
ƒVu t+| {{f-!%9+G7:+| {`rRB12K&!
„f;GI!29!| {}rRB1i,kL-!%9+G7:+| 
a. Cấu tạo:
H!;!2&;$91U G7:+ %u m!2L 12i.L)+*!,-.$$
LK!!'%A,G7:+)$%u V(#.LJ$G-G7:+ %u E %u Lk%)!2
@A•W!2Ge!#$$]!1 ,$/NG7:+{‚HE %u Lk%)!2!e!!21-%u t+ƒ
R!E$e%u t+$/;!22 !•G7:+ %u +KLA$/F$e&;$/;7"!I
]!$X,d1>L.!%-@ !2%u t+,-K%u $/;!22 !
b. Nguyên lý hoạt động:
2;7e!G†G-,JU G7:+ %u Lk%)!2m!2$'!2$<!'G7:+)$%u 
c. Ưu nhược điểm:
p;%(^
xVE!2egk;vg1E!";L">$ @.$w
xK%':%'?!2#F!;!2U %u  @.$0L.!%--,Q!%KLK1
$/;7"!%UI]!5!$$U %)!2
p':%(^
xC#I!2gS$#1.$0!J$G!0#$&;+S$9+!e!#ELK1g'j!2,-@3
3 
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
7
1
2
3
4
5
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
1.2.3. Ly hợp thuỷ lực:
a. Sơ đồ cấu tạo chung:
&; $91U G7:+$U7G<%':$/H!L-7!'

- Ưu điểm :
xz%E!2G7:+/&$egk;
xr-,Jegk;09!, %*+#$/;7"!I]!$X%)!2B;A!2J
$A!2$/;7"!G<
xE#K!4!2$/':$G6;g--#I!2267 1R!!'G7:+ @.$
- Nhược điểm :
xzI!2E#K!4!2L!%…I]!!e!%89!+9,@gN!2U !E
$/e!.)+@A$U7I$I
xJ;@;&$$&+,W!2G-,JE$l@A$/;7"!!d
xV)!97D;. 1G-K!'!2B&;%!%>$F!G-,J#$:+,%)!2
%A$$/1!2
1.2.4. Ly hợp điện từ
r7:+%J!$XG-G19#I!2!3!2lLA$/F$/e!I$I-R!LA$/F$/1!2!";
Gu!,<#.
;%(G-$/;7"!%)!2e1+t+$/':$G6;g--#I!2K!'!2$ 1
R!.$$U G7:+
a. Sơ đồ cấu tạo chung:
H!{•r7:+%J!$X
1. f.!%-
2. z;!2$X
3. ;)!g67
4. r‡@T$Lk%)!2
5. /NG7:+
6. C>$T$
.  L)  +*!  F!
U G7:+%J!$XL 12i^+5!A%k!}$/e!%EE;)!g67%J!$X•f)+*!U
%)!2{%':!A,$/N#;q;%)!20L)+*!Lk%)!2•%':!A,$/NG7:+
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
9
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ

7e;5;G<L-!%9+!d,-I$I$K$'?!2ELH!#F!t!!e!,JLA$/F$/:G<$;*!
G:0gQ!%)!2$U7G<J!! 7%':@gN!2$/e!5;$.G19I$I1!,-I$I
#.g1E';%(/&$G!G-!d2=!0$91%':G<L-!%9+G!0gLA$/F$/e!I$I,-
$?2 !$.%)!2! !
V(2KG<U !2'?G.$.gN!2Ge!L-!%9+0$/1!2J$A!2gQ!%)!2E$(
ELA$/FL)+*!$/:G<Ls!2#F0$U7G<0#F!t!1>6!#I!2J!! 70
%':@gN!2+…L!!K$/e!.G19I$IG-gQ!%)!2$U7G<#$:+,L)$/:
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
10
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
G</:G<$/e!I$I1!E$(G-$/:G<6!#I!20R!.I$I$K$H$'?!2@
gN!2J$A!2$/:G<Ls!2#F!t!g1E@ˆ!LH!#F!t!
CN%FU ,J$$#JgQ!%)!2G7:+G-goLA$/F0%";#(!gog-!20
%KLK1%)$!*7%i!2$?%KLK1$F!#!$1%E+'!2.!gQ!%)!2+K
%.+S!2%':.7e;5;U J$A!2gQ!%)!2%8!e;$/e!
.+'!2.!gQ!%)!2$'?!2gW!2G-^
pQ!%)!2#F
pQ!%)!2#F$/:G<#F!t!
pQ!%)!2#F$/:G<6!#I!2
pQ!%)!2$;qG<
pQ!%)!2$;qG<$/:G<#F!t!
pQ!%)!2$U7G<$/:G<6!#I!2
1.3.1.Dẫn động cơ khí :
ZgN!2.&;$/;7"!G<Ls!2#F%($/;7"!G<%E!21>!2T$G7:+
a. Sơ đồ kết cấu:
δ
9
8
7
6

δ
4
6
12111098
7
H!}}Z%igQ!%)!2G7:+Ls!2#FE$/G<#F!t!
{Š!2gQ!#F }7G !I!2$. •-!2
•VR! ƒVu t+ „Vu Lk%)!2
`f ~rRB1i,kL €fH!#F!t!
{‚7G !+6!+A {{f-!%9+ {}rRB1i,kL-!%9+
b. Nguyên lý hoạt động :
pz!2T$G7:+^2'?G.$.gN!2)$G<Ge!L-!%9+{{G-1B7G !+6!
+A{‚W!2+$$I!2U !E;7(!%)!2@ !2$/.G-1-!2•%P7L`gk
;7(!@ !2$/.,-t+,-1%R!•VR!#t1%u t+W!2%u Lk%)!2$./ #d
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
12
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
L">$G-,J,-G7:+%':!2T$Vi!2$?@<;7(!%)!2$'!2%A23
+$$I!2,-B7G !U B7G !+6!+A{‚G-, !#F!t!zF!t!$XLH!#F%
D; B7G !+6!+A0D; i!2gQ!{,-1B7G !I!2$.}%P7+$$I!2U B7G !
!-7gk;7(!@ !2+K%P7,-1-!2•G-2KL$)$+5!G<1!2'?
G.
pz%E!2G7:+^
z!2'?G.$I$.gN!2G<,-1L-!%9+0GRB1i,kL-!%9+#t1L-!%9+
$/,",k$/FL !%5;Vi!2$?#t1B7G !+6!+A{‚@ !2+KG-#t1-!2•
$I#I!2t+,-1L!3 z%EL$I#I!2t+,-1%5;%R!!3 ,-.GRB1
t+G9t+G7:+%u t+,-%u Lk%)!2$/,"$/9!2$.G-,JL !%5;zB7G !
+6!+A{‚%':#t1,",k$/FL !%5;$H%i!2$?G-, !#F!t!%E!2G9rO
!-7#1 !2$/1!2B7G !{‚$I!2,#F$/?,-g1%E#I!2R!.+@;&$#F!t!$.
gN!2Ge!B7G !I!2$.!3 ,-B7G !I!2$.m!2$I#I!2$.gN!2G<Ge!

•f ƒrRB1i,kL „7G !F!
`f-!%9+ ~rRB1i,kL-!%9+ €-!2
{‚7G !I!2$. {{Š!2gQ!g5;
b. Nguyên lý làm việc:
pz!2T$G7:+^
z!2'?G.$.gN!2)$G<Ge!L-!%9+0g5;$XB7G !F!„D; A!2gQ!
{{,-1B7G !I!2$.{‚%P7+$$I!2U B7G !!-7%@ !2+K$I!2D; -!2
%P7L•t+,-1%R!•G-1%R!#t1%u t+,-%u Lk%)!2$./ G-
G7:+
pz%E!2G7:+^
z!2'?G.$I#I!2$.gN!2G<,-1L-!%9+0!?GRB1i,kLƒ,-GR
B1i,kL-!%9+~%P7+$$I!2U B7G !I!2$.{‚@ !2$/.G-%P7g5;D; A!2
{{$/,"B7G !F!„%P7$/KL-!%9+,(,k$/FL !%5;
Vi!2$?!?GRB1i,k!e!Lm!2%':%P7$./ #d%R!G-G7:+
c. Ưu nhược điểm :
p;%(^
xz$&;%!2K!0goLA$/F$/e!B]
xQ!%)!2e0E$($91%':G<L-!%9+G!
p':%(^
x.$$5!%)#F!#F$$A$!e!#E#4!$/1!2,J$91,-4@E0
LK1g'j!2
1.3.4. Dẫn động thủy lực có trợ lực chân không:
a. Sơ đồ cấu tạo.
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
14
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
δ
3
1
2

34
5
6
A
B
C
H!}ƒZ%iL)$/:G<6!#I!2
{ !%";#(! } !6!#I!2
•0„rRB1i,k • !#F
ƒC-!2 1@;
z!2'?G.gX!26!)$,k$/F!-1%E$H, !#F•gX!2G9'!2
-!2 1@;ƒ,Q!gk;7(!)$O$,-#t1, !6!#I!2}%$]1!e!%P7, !
%";#(!{t+>$,-1, !#F•G-%E!2, !#FrO!-7K, !#F,-, !6!
#I!2%";%':%E!2G9,-#I!2#F$/1!2#1 !2f#I!2%…0@<e!GJ.+
@;&$23  #1 !2,-fG-…!%k!',*7%u t+,Q!%':23)$,k$/F!&$
%k!0$SG-G7:+,Q!%':)$,k$/F!&$%k!
c. Ưu nhược điểm:
p;%(^
xr<L-!%9+!d!e!%";#(!gog-!2
xzI!2$A!I!2@;&$m!2!'!e!GJ;1L)$/:G<
xzJ$A!2$/:G<d!2$HG7:+,Q!G-,J%':
p':%(^
xz$&;+S$9+!e!#E$910LK1g'j!2,-@3 3 
x5!%)#F!#F$ 1%($/.!/R/lg5;,-#F
x1%)6!#I!2#I!2G!!e!;A!EG<$/:G<G!$H+K$4!2#F
$'-!2@!G<gQ!%!#$&;i!2#"!
1.3.5. Kết luận:
G7:+B]I$I$K5!G<L-!%9+G!%i!2$?5!+KE#$&;2=!!Œ0
#I!22 !LA$/F:+G†h; ,J$ #K1@L).+'!2.!0$ $&7+'!2.!
gQ!%)!2#FE$/:G<#F!t! G-+'!2.!E!";';%(!…L*$1%E]

pr;I!2S%':%>$F!$;7!$F!$/1!2$1-!L),W!2G-,J
p.$-!/‰0$91%!2K!
b. Nhược điểm:
- .GRB1$'?!2#I!2%KLK1%':.$I!2@A2A!2! ;1-!$1-!0%>
LJ$G-@ ;)$$?2 !G-,JG<t+U .GRB1@Y#I!2%";! ;1%E+K
$91GRB1$*$F!B.!";#I!2$HG<t+#I!2%";@YG-1%u  @.$R!
#I!2%";,-goLk1!2,e!
1.4.2. Lò xo côn xoắn:
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
17
F
l
∆
l
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ

rRB1I!2B1T!E%'?!2%>$F!G-,JG-%'?!2 $/e!H!
a. Ưu điểm:
prRB1I!1+]+i!2Ge!! ;!e!%)S!2$4!2Ge!%.!2#(#"; 1,-
#F$'U GRB15;!'#I!2$ 7%…
pr<t+Ge!GRB1G!0!e!$'?!2%':gW!2$/e!I$IEI]!U %)!2
$/e!ƒ‚z
pE$(2K%':#I!22 !U #$&;g1GRB1E$(t+%!#GRB1!s
$/e!)$>$+Ž!2
prRB1I!19$%)!2…!%k!!,-F$Lk287d!2!.GRB1k;!t!LH!
$'?!2
b. Nhược điểm:
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SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
19
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
S!2U %u Lk%)!2$ B‰./8!'!2$6.%'?!2B‰/8!!-7 %u Lk
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PHẦN 2: TÍNH TOÁN THIẾT KẾ CỤM LY HỢP
2.1Giới thiệu về các thông số cơ bản của cụm ly hợp^
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20
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