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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

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Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
LỜI NÓI ĐẦU
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SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
2
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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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

Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
pr19GRB1vGRB1%>$B;!2D; !0GRB1$/;!2$60GRB1%u w
- r19! G7$6^G<t+@!/ !21-G<t+U GRB1R!EG<G7$6U $/=!2#A
+Nt+$e,-1
- r19G7$6^G7:+G7$6@gN!2G<G7$6%($91G<t+%E!2,-G7:+
d. Theo phương pháp dẫn động ly hợp:
]1+'!2+.+gQ!%)!2G7:+!2'?$  G7:+$-!.G19@ ;^
- r7:+gQ!%)!2#F
- r7:+gQ!%)!2$;qG<
- r7:+gQ!%)!2E'?!21.^
xr7:+gQ!%)!2#F'?!21.#F!t!
xr7:+gQ!%)!2$;qG<'?!21.#F!t!
1.1.3. Yêu cầu:
- r7:++KE#K!4!2$/;7"!$I]!U %)!2-#I!2Lk$/':$L&$#y
%";#J!@gN!2!-1
- z%E!2G7:++Kegk;0I]!D;.!$F!+5!Lk%)!2+K!d%(2K
$$K$/=!2, %*+Ge!.L.!/4!2U )+@A#@ !2@A
- zG7:++KgS$#1.$,-! !E!2%(,J2-@Aegk;0$.%)!2
/ #dJ$A!2$/;7"!G<$/1!2$?2 !!2T!
- VKLK11J$A!2$/;7"!G<#LkD;.$K
- V";#(!gog-!20G<$.gN!2Ge!L-!%9+!d
- .L">$ @.$+K$1.$!J$$A$
- z$&;G7:++K%!2K!0go%";l!4@E,-LK1g'j!2
1.2. Sơ đồ cấu tạo và nguyên lý hoạt động của ly hợp:
pVA,J$A!2G7:+0,">$&;$91!2'?$  $-!.L)+*!F!^
p&;G7:+^G-L)+*!$<J!,J!A,-!2T$$/;7"!%)!2$X%)!2%!
J$A!2$/;7"!G<
pQ!%)!2G7:+^G-L)+*!$<J!,J%";#(!%E!2G7:+
1.2.1. Ly hợp ma sát khô một đĩa bị động lò xo ép hình trụ bố trí xung quanh:
a. Sơ đồ cấu tạo chung:

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
H!{{^r7:+ @.$#I)$%u Lk%)!2
1. L.!%-| `L-!%9+|
}%u  @.$| ~GRB1i,kL-!%9+|
•%u t+| €%R!#t1|
•GRB1t+| {‚-!2|
ƒ,dG7:+| {{L$y|
„L9| {}%R!|
{•L)2K&!
- 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)

2K&!{•%!1 7/i$/;7"!,-1$/NG7:+v$/N@&+)+@AwrO!-723
L$y{{,-%5;{}E#]$X•÷•0$'!2S!2,-!$/H!$<g1U L-!
%9+G7:+
p/9!2$.G7:+^z5!!2T$$/;7"!%)!2$X%)!2$$/N@&+U )+
@A!2'?$ 5!$.gN!2)$G<,-1L-!%9+`$I!2D; %R!#t1€,--!2{‚0
L9„ !2L$y{{@Ygk;7(!@ !2$/.Z ;##T+N$#]0L$y{{
@Y$H,-1%5;%R!{}?E#+LK!G"U LK!G"Ge!#$,,dƒ!e!%5;#
U %R!{}@Y#t1%u t+•!t!GRB1•G9%(gk;7(!@ !2+Kz!-7.L"
>$ @.$23 L)+*!U%)!2,-Lk%)!2U G7:+%':$./ ,-!2T$$/;7"!
%)!2$X$/N$$/N@&+U )+@A
c. Ưu nhược điểm:
p;%(^
xz$&;2=!0go%";l!,-@3 3 
xCgS$#1.$
x1.$!J$$A$!e!%KLK1$;…$= 11L)G7:+
p':%(^
xVE!2#I!2egk;
xl$/;7"!%':I]!#I!2G!GT;$/;7"!I]!$/e!`‚÷~‚z
$H5!%'?!2#F!%u  @.$G!#t1$]1.#$&;#.%";G!G-1G7:+
i!2#"!
1.2.2. Ly hợp ma sát khô hai đĩa bị động lò xo ép hình trụ bố trí xung quanh :
a. Sơ đồ cấu tạo chung:
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
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Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
H!{}r7:+ @.$#I %u Lk%)!2

{f.!%-| `rRB1t+| {• !#t1|
}rRB1%u Lk%)!2| ~dG7:+| {•-!2|
•Vu t+$/;!22 !| €f9| {ƒf$y|

•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
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2
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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!'

H!,YL 1 2i^
1. f.!%-
2. f.!$; L!
3. f.!L
4. /N@&+
5. dG7:+
H!{•r7:+$U7G<

.$$F!U G7:+2iEL.!L0L.!$; L!.L.!I!2$.!-7
Eg9!2! H!,R!2B;7!0%':LA$/F/&$!";.!gQ!$]1";'!2$6
f.!L%':-!>$,,dG7:+,-%':LT$>$,,d$/N#;q;%)!2
vD; 7W!2,$/N#;q;wEE$.gN!2D;9$gR!2&$Gd!2@ !2L.!$; L!
$I!2D; %E$/;7"!I]!
f.!$; L!%':%>$$/1!2,dG7:+E$(D; 7$<g10%':!A,$/N@
&+)+@ALs!2#+!A$]!1 0!Ek;@<$.%)!2U gR!2&$Gd!2$XL.!
L$/;7"!@ !20#%E!E@YD; 7,-$/;7"!;7(!%)!21$/N@&+)+@A
b. Nguyên lý hoạt động:
r7:+$;qG<G-,Jg< $/e!!2;7e!$T$/;q%)!2zL.!L%':$/N
#;q;%)!2gQ!%)!2D; 7G-&$Gd!2S $/1!2#1 !2I!2$.U L.!
L@YD; 7$]1&$Gd!2$ 2 ,-1 ;7(!%)!2^)$;7(!%)!2D; 7
$]1L.!L,-)$;7(!%)!2$k!$!$]1..!2U .!gQ!$X+F
$/1!2/ +F !21-V)!2!4!2U &$Gd!2m!2$4!2$X$/1!2/ !21-z/ #d
L.!L&$Gd!2@Y;7(!$+@ !2L.!$;AL!,-%)!2!4!2U gR!2&$
Gd!2@YG-1L.!$;AL!D; 7$]1L.!$;AL!&$Gd!2;7(!%)!2$X
!21-,-1$/1!2,-%)!2!4!22Kg5!Z ;#/ #dL.!$;AL!&$Gd!2$+
$N%,-1L.!L%(!*!!4!2G':!2,-$<J!.;$/H!$+$]1
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
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Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
c. Ưu nhược điểm:

- 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

v$/N@&+U )+@Aw.L)+*!U%)!20Lk%)!2,-L)+*!A%k!E$(D; 7
$/!,! ;$I!2D; .#]0f00V(J;@;&$$/;7"!%)!2 1.#]
!-7+K!d21-/ %($4!2#K!4!2$/;7"!I]!$X+5!U%)!2@ !2+5!
Lk%)!2!2'?$ LdL)$@T$,-1#1 !2#F!23 +5!U%)!2,-+5!Lk%)!2
b. Nguyên lý hoạt động:
- 2;7e!G†G-,Jg< ,-1G<%J!$X$'!2$.23 +5!U%)!2,-Lk
%)!2!?! 6%J!g1;)!g67•@!/ 
- /9!2$.%E!2G7:+^z!-7;)!g67•%':&+)$gR!2%J!)$";
,-!E@Y$/$-!! 6%J!VJ!$/'?!2U ! 6@Y#t+#F!90$X
D; .L)+*!A%k!}0+5!U%)!2{0+5!Lk%)!2•$]1%'?!2m$e!!'
H!,Yz!-7g'@<$'!2$.U G<%J!$X+5!U%)!2{@Y#t1+5!Lk
%)!2•D; 7$]10I]!%':$/;7"!$X%)!2@ !2$/NG7:+
- /9!2$.G7:+^z5!G7:+!2'?$ !2T$gR!2%J!&+1
;)!g67{ƒr<%J!$X@Y&$0.$$%':D; 7$<g10!2T$%'?!2$/;7"!I
]!$X%)!2$$/NG7:+
c. Ưu nhược điểm :
- ;%(^
xzK!4!2A!2D;.$K$A$
xfA$/FgQ!%)!2gog-!2
- ':%(^
x$91+S$9+
xfK1g'j!2,-@ 3 #E#4!
x.$-!%T$
1.3 LỰA CHỌN PHƯƠNG ÁN DẪN ĐỘNG.
J$A!2gQ!%)!2G7:+E$.gN!2$/;7"!G<L-!%9+U !2'?G.$.%)!2
,-1L-!%9+%!G7:+%($<J!,J%E!2!2T$G7:+
Q!%)!2G7:+$'?!2G-gQ!%)!2#F1>$U7G<Q!%)!2#FE';
%(;!2G-#$&;%!2K!go$91$;7!e!O!2m!2E!':%(G-G<
L-!%9+$'?!2+KG!,-#ELA$/F,!3!2I$IE%)!2%>$B !2'?G.Q!
%)!2#F%':$'?!2%':@gN!2$/e!)$@AI$I1!,-I$I$Kg1I$I1!E

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

21 543
H!}{Z%igQ!%)!2G7:+Ls!2#F
{Vu Lk%)!2 }Vu t+ •VR!
•f ƒrRB1i,kL „-!2
`f-!%9+ ~rRB1i,kL-!%9+ €VR!gQ!%)!2
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
11
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
b. Nguyên lý làm việc:
pz!2T$G7:+^
2'?G.$.gN!2G<,-1L-!%9+0G<L-!%9+$I!2D; %R!gQ!%)!2€,-
-!2„G-1L•gk;7(!@ !2$/.$y,-1%5;%R!0%R!#t1%u t+
,-%u Lk%)!2$.#d.L">$G-,JG-G7:+
pz%E!2G7:+^ 2'?G.$I#I!2$.gN!2G<,-1L-!%9+0GRB1i,kL-!
%9+#t1L-!%9+$/,",k$/FL !%5;Vi!2$?GRB1i,kL#t1Lgk;7(!
@ !2+K,-$I#I!2t+,-1%R!!3 z%EGRB1t+G9t+%u t+,-%u Lk%)!2
$/G9$/9!2$.G-,JL !%5;
c. Ưu nhược điểm :
p;%(^ xz$&;%!2K!!e!go$91,-LK1g'j!20@ 3 
xC! !,-gS$#1.$
x.$-!/‰
p':%(^
xr< @.$23 .&;G!!e!gQ!%!!>!2#%9+E$(#T
+NLs!2.@gN!2$/:G<VE!2#I!2egk;
1.3.2. Dẫn động cơ khí có trợ lực khí nén :
a. Sơ đồ cấu tạo.
5
1
3
2

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!

-!2•!3 
pz23L-!%9+)$,k$/F!-1%E^
z!2'?G.23!2;7e!L-!%9+)$,k$/F!-1%E$HB7G !+6!+A{‚
m!2gX!2$9)$,k$/F!&$%k!rO!-7, !#F!t!,Q!,-#F!t!,Q!,-1B7
G !I!2$.$;7!e!G':!2#F!t!,-1$/1!2B7G !I!2$.G-#I!2%…1!e!
G7:+%':)$,k$/F!&$%k!
c. Ưu nhược điểm :
p;%(^
xK%':G<U !2'?G.$.gN!2Ge!L-!%9+
xQ!%KLK1 !$1-!,H!;$/:G<d!2$HG7:+,Q!G-,J%':
p':%(^
x‹K5!.7!t!#F
xz&$$/:G<$HG<%";#(!U !2'?G./&$G!
1.3.3.Dẫn động thủy lực :
a. Sơ đồ cấu tạo.
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
13
Khí nén
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
10
11
δ
9
321
7
6
54
8
H!}•Z%igQ!%)!2G7:+Ls!2$U7G<
{Vu Lk%)!2 }Vu t+ •VR!

•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

4
5
6
13
12 11 10
7
8 9
H!}•Z%igQ!%)!2$U7G<E$/:G<6!#I!2
{Š!2gQ!g5; }7G !I!2$. •-!2
•f ƒVR! „Vu t+
`Vu Lk%)!2 ~rRB1i,kL €=!2O$
{‚f-!%9+ {{rRB1i,kL-!%9+ {}f)$/:G<
{•7G !F!
b. Nguyên lý hoạt động của bộ trợ lực:
zG7:+^z!2'?G.%9+L-!%9+G-%P7, !#F•/ %i!2$?
, !%";#(!{vLs!2 1@;w%E!2, !6!#I!2}G9rO!-7#1 !2f%':!A
,#1 !2#F$/?,-#1 !2f#I!2$I!2,#1 !26!#I!20$91/ @<
e!GJ.+@;&$23  #1 !2,-f0G-, !6!#I!2;7(!%)!2@ !2$/.
%P7+$$I!2U B7G !F!{•@ !2$/.G-g5;$/1!2B7G !F!$]1A!2{
@ !2B7G !I!2$.}%P7+$$I!2U B7G !I!2$.@ !2+KD; -!2•%P7
L•t+,-1%R!ƒG-G7:+
z%E!2G7:+^z!2'?G.$I$.gN!2,-1L-!%9+0!?.GRB1i,kG-
, !#F•$/,",k$/FL !%5;0GO!-7, !#F•t+>$G-, !6!#I!2}/ 
z$D;KG-#1 !2$I!2,#1 !2f,-#1 !2f#I!2$I!2,#1 !2!3 
 #1 !2,-f#I!2E@<e!GJ.+@;&$!e!#I!2@!/ $/:G<!3 ,-
.$$m!2$/,",k$/FL !%5;
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
15
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
12

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]

=!+'!2.!gQ!%)!2G-gQ!%)!2#FE$/:G<#F!t! 
',*7G19G7:+-]=!$$#G-G7:+ @.$#Ig9!2$'?!2%E!2
gQ!%)!2#FE$/:G<#F!t! 
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
16
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
1.4, PHƯƠNG ÁN CHỌN LOẠI LÒ XO ÉP.
a
b
c
H!•{V>$F!.G19GRB1t+G7:+
prRB1I!B1T!
LprRB1$/N
prRB1%u 
•
G
^r<t+0
∆
G
^f!g9!2U GRB1
1.4.1.Lò xo trụ:
rRB1$/NE%'?!2%>$F!G-,JG-%'?!2L$/e!H!•{
rRB1$/N$'?!2%':LA$/F$]1,R!2$/R!$/e!%u t+
V(%k!,k.GRB1,-2K%)L!g9!2U O!2g'$.gN!2U 
G<G7$60$'?!2@gN!2.A0,&;Gi$/e!%u t+1>$/e!,dG7:+
a. Ưu điểm:
pz$&;!d2=!0#1K!2#I!22 !aF$,HG<t+$.gN!2Ge!%u t+
G!
pVKLK1%':G<t+%";Ge!.L">$ @.$Ls!2.LA$/F.GRB1%A
BS!2,! ;,-,.%R!

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!
$'?!2
b. Nhược điểm:
pz1K!2#I!22 !25!$/NG7:+@Y*$,-#ELA$/FL9G7:+
pW!2GRB1I!$H.+@;&$GRB1$.gN!2Ge!%u t++KD; .%R!t+g1%E
,J%";l!G7:+@Y+S$9+

prRB1I!Eg9!2$;7!$F!,W!2G-,J!d0@ ;%E#.,R!2GRB1LT$
%5;$/W!2! ;$H%)S!2U GRB1$4!2Ge!/&$! !0g1%E!E%Rd+K$91
%':G<G!%(!2T$G7:+,-#%u  @.$R!$HG<t+U GRB1@Y2K/&$
! !
1.4.3. Lò xo đĩa:
rRB1%u E%'?!2%>$F!G-,JG-%'?!2$/e!H!•{
rRB1%u %':$91Ls!2$t+GRB1,-%':LT$>$,-1L-!t+G7:+Ls!2%!
$.!1>Ls!2L;GI!2•a+F U GRB1%u LA$/F.,R!2$/NB1 719$%)!2
!')$$/NB1 7#GRB1%u D; 7VA,G19L-!t+G7:+$I!2$'?!2E.
GRB1k;#t1%‰!A%u t+G7:+,GRB1%u 
SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam
18
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
Một lò xo đĩa loại DST
a.Ưu điểm:
prRB1%u G-G;I!!J,NU %R!!e!#$&;%!2K!,-!d2=!
prRB1%u E%>$F!G-,J:+G†,H$/1!2,W!2G-,JG<t+$ 7%…
#I!2g.!2#($]1L!g9!21,*7G<!2T$G7:+%Rd#I!2G!,-#%u 
@.$LkR!$HG<t+$ 7%…#I!2%.!2#(
b. Nhược điểm:
pJ$91#E#4!
1.4.4. Kết luận:
h; ,J$ #K1.G19GRB1t+]D;7$%k!=!G19GRB1t+G-GRB1$/N,H$&$
K!3!2%4$F!$A';U !E
1.5. ĐĨA BỊ ĐỘNG CỦA LY HỢP.
Vu Lk%)!2U G7:+E&;$912i $& @.$%':2T!,! ;Ls!2
%!$.!$I!2D; B'!2%u '!2%u G9%':$.!,1 7%u Lk%)!2
C)$$/1!2!3!27e;5;U G7:+G-+K%E!2egk;07e;5;!-7Ge!D; !
%!&;$91U %u Lk%)!2U G7:+
V($4!2$F!egk;1G7:+$ gW!2%u Lk%)!2G19%-!iV)%-!iU

%u %':2KD;7$Ls!2.$$##$&;E!3!2H!$W!&$%k!1>gW!2
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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$6.%'?!2B‰/8!!-7 %u Lk
%)!2/ !";+5!ZAG':!2./8!$;y$]1%'?!2#F!%u .%'?!2B‰/8!
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!4!2$1.$.LN@!/ $/1!2D;.$/H!G7:+G-,Jg1.$& @.$LkR!
PHẦN 2: TÍNH TOÁN THIẾT KẾ CỤM LY HỢP
2.1Giới thiệu về các thông số cơ bản của cụm ly hợp^
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 B
•{€‚#’
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2.2. Tính toán thiết kế cum ly hợp :
2.2.1. Xác định mô men ma sát mà ly hợp cần truyền :
r7:+5!%':$$#@ 11!E+K$/;7"!$%':I]!U %)!2
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Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam

23
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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SVTH: Nguyễn Văn Đoài GVHD:Vũ Đình Nam

24
Đồ án môn học Tính toán thiết kế cụm ly hợp cho xe du lịch 7 chỗ
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