CN108688427A - Twist beam rear axle and its manufacturing method - Google Patents
Twist beam rear axle and its manufacturing method Download PDFInfo
- Publication number
- CN108688427A CN108688427A CN201710235589.7A CN201710235589A CN108688427A CN 108688427 A CN108688427 A CN 108688427A CN 201710235589 A CN201710235589 A CN 201710235589A CN 108688427 A CN108688427 A CN 108688427A
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- China
- Prior art keywords
- bend pipe
- crossbeam
- arm assembly
- welded
- rear axle
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/012—Hollow or tubular elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/60—Subframe construction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention relates to a kind of twist beam rear axle and its manufacturing method, twist beam rear axle includes:Crossbeam has the tubular structure extended along first axle, and includes intermediate recess portion or opening and first end and second end;Left dragging arm assembly comprising there is the left bend pipe of the tubular structure extended along second axis, and one end has the Left-wing Federation's socket part being configured to be connected in the first end of crossbeam;With the symmetrical right dragging arm assembly of left dragging arm assembly;Wherein, crossbeam, left dragging arm assembly and right dragging arm assembly are configured to mirror symmetry, and first axle and second axis are continuous at first end, and first axle and third axis are continuous at second end.The twist beam rear axle of the present invention has many advantages, such as that simple in structure, reliable for operation, manufacturing cost is low, easy to install and use, the twist beam rear axle manufacturing method of the present invention has many advantages, such as simple and convenient, easy to process, and manufacture difficulty and manufacturing cost can be reduced while being effectively reduced weight.
Description
Technical field
The present invention relates to vehicle structure fields, and more specifically, are related to a kind of twist beam rear axle, are used to be erected at
For providing structure support on vehicle, and the invention further relates to a kind of methods of the above-mentioned twist beam rear axle of manufacture.
Background technology
It is known that being usually provided with twist beam rear axle on vehicle.Typically twist beam rear axle includes elongated torsion bar beam
Or crossbeam, and it is connected in the trailing arm at crossbeam both ends.Wherein, trailing arm is typically configured as the left and right for being connected to vehicle
On side wheel and underbody.
Have existed some modular designs for twist beam rear axle.Wherein, crossbeam is typically by having round or U-shaped horizontal
The pipe in section is formed.Towing arm can be cast by cast iron or aluminium, and be then welded direct on crossbeam, Huo Zhe
In some designs, is welded or be connected in torsion bar beam by intermediate member.However, due to existing rear axle generally require by by
Crossbeam made of different materials and towing arm connection are integral, therefore welding process usually requires relatively high technological requirement and phase
The expensive welding equipment answered, so that cost increase.In addition, the towing arm of casting and the quality of additional intermediate member are opposite
It is heavier, it increases complete vehicle weight and therefore improves oil consumption.
It is therefore desired to provide a kind of new twist beam rear axle and its manufacturing method, matter can be effectively reduced
Amount and simplified manufacturing process.
Invention content
It is an object of the present invention to provide a kind of twist beam rear axles, and manufacture can be reduced while reducing weight
Difficulty and manufacturing cost.It is another object of the present invention to provide a kind of methods for manufacturing above-mentioned twist beam rear axle.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of twist beam rear axle comprising:
Crossbeam has the tubular structure extended along first axle, and crossbeam includes intermediate recess portion or opening and both ends
First end and second end;
Left dragging arm assembly comprising left bend pipe, left bend pipe has the tubular structure extended along second axis, and one end has
There is the Left-wing Federation's socket part for being configured to be connected in the first end of crossbeam;And
Right dragging arm assembly comprising right bend pipe, right bend pipe has the tubular structure extended along third axis, and one end has
There is the right connection part for being configured to be connected in the second end of crossbeam;
Wherein, crossbeam, left dragging arm assembly and right dragging arm assembly are configured to mirror symmetry, and first axle and second axis exist
It is continuous at first end, and first axle and third axis are continuous at second end.
Optionally, second axis and third axis are the circular arc with the first radius, and second axis and third axis
To the same lateral bend of first axle.
Optionally, the cross-sectional diameter of Left-wing Federation's socket part and right connection part is respectively greater than the cross of the first end and second end of crossbeam
Diameter of section.The first end and second end of crossbeam is configured to be squeezed into Left-wing Federation's socket part and right connection part, and by the Left-wing Federation
Welding in socket part and right connection part periphery couples.
Optionally, the cross-sectional diameter of Left-wing Federation's socket part is more than the cross-sectional diameter of the remainder of left bend pipe, and right
The cross-sectional diameter of socket part is more than the cross-sectional diameter of the remainder of right bend pipe.
Optionally, left dragging arm assembly and right dragging arm assembly respectively include being welded to following on left bend pipe and right bend pipe
One or more of component:Spring holder, shock absorber support, damper casing, brake back plate holder, band with brake back plate
There is the preceding trailing arm of rubber bushing sleeve.
Optionally, it is respectively arranged with perforation on left bend pipe and right bend pipe, and damper casing is configured to pass through perforation simultaneously
And it is welded on left bend pipe and right bend pipe.
A method of the above-mentioned twist beam rear axle of manufacture includes the following steps:
1) crossbeam is manufactured;
2) left dragging arm assembly is manufactured;
3) right dragging arm assembly is manufactured using the method similar with step 2);
4) reaming is carried out to Left-wing Federation's socket part and right connection part;
5) first end and second end of crossbeam is squeezed into respectively in Left-wing Federation's socket part and right connection part;
6) it is welded along the periphery of Left-wing Federation's socket part and right connection part so that left dragging arm assembly and the connection of right dragging arm assembly
Onto crossbeam.
Optionally, the step of manufacture left dragging arm assembly includes:
2.1) preceding trailing arm is manufactured by tubulose punch forming, and one end of preceding trailing arm is welded on rubber bushing sleeve,
The other end is welded on left bend pipe;
2.2) spring holder is manufactured by punch forming, and spring holder is welded to the middle part of left bend pipe;
2.3) by punch forming to manufacture the shock absorber support with bolt hole, and one end of shock absorber support is welded
Onto spring holder, the other end is welded on left bend pipe;
2.4) so that damper casing is passed through the perforation on left bend pipe, be then welded on left bend pipe;And
2.5) brake back plate is welded on brake back plate holder, then brake back plate holder is welded on left bend pipe.
Optionally, the step of manufacture crossbeam includes:Round tube is formed into intermediate recess portion by punch forming.
Optionally, the step of manufacture crossbeam includes:Steel plate is rolled into tubulose;The end that contacts with each other of steel plate is welded on one
It rises;Then by cutting the opening to form intermediate.
The beneficial effects of the present invention are:The twist beam rear axle of the present invention has simple in structure, reliable for operation, manufacturing cost
The advantages that low, easy to install and use, twist beam rear axle manufacturing method of the invention have many advantages, such as simple and convenient, easy to process.
By using the twist beam rear axle and its manufacturing method of the present invention, manufacture difficulty can be reduced while being effectively reduced weight
And manufacturing cost.
Description of the drawings
The present invention is explained in further detail below with reference to attached drawing and preferred embodiment, but art technology
Personnel it will be appreciated that, these attached drawings are drawn for the purpose for explaining preferred embodiment, and therefore should not be made
For limitation of the scope of the invention.In addition, unless otherwise indicated, attached drawing is only intended to the group for conceptually indicating described object
At or construct and may be shown comprising expansiveness, and attached drawing is also not necessarily drawn to scale.
Fig. 1 is the structural schematic diagram of one embodiment of the twist beam rear axle of the present invention.
Fig. 2 is the partial enlarged view of embodiment illustrated in fig. 1.
Fig. 3 is the structural schematic diagram of the crossbeam of embodiment illustrated in fig. 1.
Fig. 4 is the structural schematic diagram of the left bend pipe of embodiment illustrated in fig. 1.
Fig. 5 is the schematic diagram of the crossbeam and left bend pipe connection place of embodiment illustrated in fig. 1.
Fig. 6 a are the schematic diagrames of the cross sections A-A in Fig. 4.
Fig. 6 b are the schematic diagrames of the cross sections B-B in Fig. 5.
Fig. 6 c are the schematic diagrames of the cross sections C-C in Fig. 5.
Fig. 7 is the structural schematic diagram of another embodiment of the twist beam rear axle of the present invention.
Fig. 8 is the structural schematic diagram of the crossbeam of embodiment illustrated in fig. 7.
Specific implementation mode
Carry out detailed description of the present invention preferred embodiment below with reference to attached drawing.What those of skill in the art will be appreciated that
It is that these descriptions are only descriptive, illustrative, and should not be interpreted as limiting protection scope of the present invention.
Firstly, it is necessary to explanation, the top that is previously mentioned herein, bottom, upward, towards inferior orientation term be opposite
Direction in each attached drawing defines, they are opposite concepts, and therefore can be at it different positions
It sets and changes with different practical states.So should not restricted term be interpreted as these or other orientation term.
In addition, it should be further noted that for described in the embodiments herein or implicit arbitrary single technical characteristic, or
The arbitrary single technical characteristic for being shown in the accompanying drawings or implying still is able to continue between these technical characteristics (or its equivalent)
It is combined, to obtain the other embodiment of the present invention not referred to directly herein.
It should be noted that in different drawings, identical reference label indicates same or about component.
Fig. 1 is the structural schematic diagram of one embodiment of the twist beam rear axle of the present invention.Wherein, twist beam rear axle includes:
Crossbeam 10, with tubular structure, and crossbeam includes the recess portion or the opening 10c and first end 10a at both ends at middle part
With second end 10b;
Left dragging arm assembly 20L comprising left bend pipe 11L, left bend pipe 11L have tubular structure, and one end has construction
To be connected to the Left-wing Federation socket part 11a on the first end 10a of crossbeam 10;And
Right dragging arm assembly 20R comprising right bend pipe 11R, right bend pipe 11R also have tubular structure, and one end has structure
It makes to be connected to the right connection part 11b on the second end 10b of crossbeam 10;
Wherein, it is symmetrical to be configured to mirror by crossbeam 10, left dragging arm assembly 20L and right dragging arm assembly 20R.
In the preferred embodiment shown in the drawings, the direction of recess portion 10c can be arranged according to actual needs, to control torsion bar beam
The whole torsion stiffness and other kinetic characteristics of rear axle.Adjust crossbeam concave panel towards when, due to the circle at 10 both ends of crossbeam
Shape cross section can remain unchanged, therefore with left dragging arm assembly 20L and the right junction for pulling arm assembly 20R without doing any tune
It is whole to be connected accordingly.During designing the twist beam rear axle of different performance, such construction can reduce design
Cost simultaneously realizes sharing for part.The manufacturing cost of entire rear axle is also reduced simultaneously.
In addition, left dragging arm assembly 20L and right dragging arm assembly 20R respectively include being welded to left bend pipe 11L and right bend pipe
One or more of following component on 11R:Spring holder 13L and 13R, shock absorber support 14L and 14R, damper casing 15L
Brake back plate holder 16L and 16R with 15R, with brake back plate 17L and 17R, with rubber bushing sleeve 18L and 18R before
Trailing arm 12L and 12R.
Fig. 2 is the partial enlarged view of embodiment illustrated in fig. 1, shows one of left dragging arm assembly 20L and crossbeam 10
Point.As depicted in figs. 1 and 2, one end of shock absorber support 14L is welded on spring holder 13L, and the other end is welded to left bend pipe
On 11L.In addition, unshowned perforation is also carried on left bend pipe 11L, so that damper casing 15L can pass through perforation, and so
After be welded on left bend pipe 11L.
Fig. 3 is the structural schematic diagram of the crossbeam of embodiment illustrated in fig. 1.Wherein, crossbeam 10 has and prolongs along first axle A1-A1
The tubular structure stretched, and crossbeam 10 includes:First end 10a at the both ends of crossbeam 10 and second end 10b, and be located at
Recess portion 10c between first end 10a and second end 10b.In the illustrated embodiment, recess portion 10c is to first end 10a and second end
Length mark between 10b is C1, and in C1 length ranges, crossbeam 10 substantially has circular cross section.
Optionally, medial concavity 10c can be by manufacturing the local punch forming of round sealed pipe.Optionally, ability
Field technique personnel can design the length of first end 10a and second end 10b according to actual needs, to adapt to different vehicle knots
Structure.
Fig. 4 is the structural schematic diagram of the left bend pipe of embodiment illustrated in fig. 1.Wherein, left bend pipe 20L has along second axis
The tubular structure that A2-A2 extends, and due to symmetric relation, right bend pipe 20R also has the tubular structure extended along third axis.
As shown, second axis A2-A2 (and therefore third axis) is the circular arc with the first radius R1, and as shown in fig. 1,
The same lateral bend of second axis and third axis to first axle.
Similarly, right bend pipe 20R has the structure with left bend pipe 20L mirror symmetries shown in Fig. 4.
Comprehensible, crossbeam 10, left dragging arm assembly 20L and right dragging arm assembly 20R are configured to mirror symmetry,
First axle A1-A1 and second axis A2-A2 is continuous at the first end 10a, and first axle A1-A1 and third
Axis is continuous at second end 10b.
Fig. 5 is the schematic diagram of the crossbeam and left bend pipe connection place of embodiment illustrated in fig. 1.Wherein, the Left-wing Federation on left bend pipe 11L
Socket part 11a is connected on the first end 10a of crossbeam 10, and the Left-wing Federation socket part 11a and first end 10a are respectively provided with length appropriate.It can
Selection of land, Left-wing Federation socket part 11a undergo reaming so that its cross-sectional diameter is slightly larger than the cross-sectional diameter of first end 10a, is conducive to the
One end 10a is inserted by squeezing in Left-wing Federation socket part 11a.
Then, it can be welded along the periphery of Left-wing Federation socket part 11a, to which left bend pipe 11L to be welded on crossbeam 10.In this way
Soldering be conducive to enhance the link strength of weld part, reduce twist beam rear axle failure risk in the position, and carry
The fatigue behaviour and strength character of high twist beam rear axle.
Optionally, as shown, the Left-wing Federation socket part 11a and first end 10a are respectively provided with the thickness for being identified as s1 and s2.
Fig. 6 a are the schematic diagrames of the cross sections A-A in Fig. 4.Wherein, left bend pipe 11L has generally circular cross section, and
With the diameter for being identified as D0, and the thickness of tube wall is t1.
Fig. 6 b are the schematic diagrames of the cross sections B-B in Fig. 5.Wherein, Left-wing Federation's socket part 11a has generally circular cross section, and
And with the diameter for being identified as D1, and the thickness of tube wall is t1.
Fig. 6 c are the schematic diagrames of the cross sections C-C in Fig. 5.Wherein, first end 10a has generally circular cross section, and
With the diameter for being identified as D2, and the thickness of tube wall is t2.Preferably, D2 is less than D1, is passed through with being conducive to first end 10a
It squeezes to be inserted into Left-wing Federation socket part 11a.
Optionally, the cross-sectional diameter D1 of Left-wing Federation's socket part 10a can be more than the cross-sectional diameter D0 of the remainder of left bend pipe,
Similarly, the cross-sectional diameter D2 of right connection part 10b can be more than the cross-sectional diameter of the remainder of right bend pipe.
In the inventive solutions, the portion of left bend pipe 11L, right bend pipe 11R, preceding trailing arm 12L, 12R and crossbeam 10
Sectional is configured with circular cross section, namely has tubular structure.This is while meeting twist beam rear axle performance, very greatly
By the optimization in tubing section and thickness light-weight design is easily implemented in amplitude reduction weight.
In Fig. 6 a-6c, cross section is generally circular, however, according to actual needs, ellipse, no also may be selected
The shapes such as regular continuous closed curve, regular polygon or irregular polygon.
Fig. 7 is the structural schematic diagram of another embodiment of the twist beam rear axle of the present invention.Wherein, the both ends of crossbeam 30 point
It is not installed with left dragging arm assembly 20L and right dragging arm assembly 20R.
Fig. 8 is the structural schematic diagram of the crossbeam of embodiment illustrated in fig. 7.Wherein, crossbeam 30 includes first be located at both ends
Hold 30a and second end 30b, and the opening 30c at middle part between first end 30a and second end 30b.In the implementation of diagram
In example, recess portion 30c to the length mark between first end 30a and second end 30b is C2.
Similarly, the length of the parts C2 can be also adjusted according to actual needs, to adapt to different vehicles and wheelspan
It needs.
Optionally, crossbeam 30 can manufacture in the following manner:Monoblock steel plate is rolled into tubulose, then by the mutual of steel plate
Contact jaw welds together, and then to cutting the opening 30c to form intermediate.
The invention further relates to a kind of methods of the above-mentioned twist beam rear axle of manufacture comprising the following steps:
1) crossbeam is manufactured;
2) left dragging arm assembly is manufactured;
3) right dragging arm assembly is manufactured using the method similar with step 2);
4) reaming is carried out to Left-wing Federation's socket part and right connection part;
5) first end and second end of crossbeam is squeezed into respectively in Left-wing Federation's socket part and right connection part;
6) it is welded along the periphery of Left-wing Federation's socket part and right connection part so that left dragging arm assembly and the connection of right dragging arm assembly
Onto crossbeam.
Molding is respectively welded by the way that towing arm assembly will be controlled and then welds with crossbeam, can make so whole
A technical process is more rationally effective, reduces same station working hour, makes manufacture efficiency higher.
Wherein, the step of manufacture left dragging arm assembly includes:
2.1) preceding trailing arm is manufactured by tubulose punch forming, and one end of preceding trailing arm is welded on rubber bushing sleeve,
The other end is welded on left bend pipe;
2.2) spring holder is manufactured by punch forming, and spring holder is welded to the middle part of left bend pipe;
2.3) by punch forming to manufacture the shock absorber support with bolt hole, and one end of shock absorber support is welded
Onto spring holder, the other end is welded on left bend pipe;
2.4) so that damper casing is passed through the perforation on left bend pipe, be then welded on left bend pipe;And
2.5) brake back plate is welded on brake back plate holder, then brake back plate holder is welded on left bend pipe.
It is easily understood that can be used and 2.1) manufacture right dragging arm assembly to 2.5) identical step.
Optionally, the step of manufacture crossbeam includes:Round tube is formed into intermediate recess portion by punch forming.
Optionally, the step of manufacture crossbeam includes:Steel plate is rolled into tubulose;The end that contacts with each other of steel plate is welded on one
It rises;Then by cutting the opening to form intermediate.
Suitable material can be used to be made in all parts in the present invention, including but not limited to stainless steel, steel alloy, aluminium
Alloy, aluminium etc..
Disclosure according to the present invention, those skilled in the art can be readily available the twist beam rear axle for including the present invention
Vehicle.
The twist beam rear axle of the present invention has that simple in structure, reliable for operation, manufacturing cost is low, easy to install and use etc. excellent
Point, twist beam rear axle manufacturing method of the invention have many advantages, such as simple and convenient, easy to process.By using the torsion bar of the present invention
Beam rear axle and its manufacturing method can reduce manufacture difficulty and manufacturing cost while being effectively reduced weight.
The present invention is disclosed with reference to the accompanying drawings in this specification, and also those of skill in the art is enable to implement this hair
It is bright, including manufacture and using any device or system, select suitable material and using the method for any combination.The present invention's
Range is limited by claimed technical solution, and includes other examples that those of skill in the art expect.If this
Other examples of class include not being different from the structural detail of claimed technical solution literal language or other such example packets
There is no the equivalent structural elements of essential distinction containing the literal language with claimed technical solution, then other such examples are answered
When considereding to be in the protection domain determined by the claimed technical solution of the present invention.
Claims (10)
1. a kind of twist beam rear axle, which is characterized in that it includes:
Crossbeam has the tubular structure extended along first axle, and the crossbeam includes intermediate recess portion or opening, and
The first end and second end at both ends;
Left dragging arm assembly comprising left bend pipe, the left bend pipe have the tubular structure extended along second axis, and one
Hold the Left-wing Federation's socket part for having and being configured to be connected in the first end of the crossbeam;And
Right dragging arm assembly comprising right bend pipe, the right bend pipe have the tubular structure extended along third axis, and one
Hold the right connection part for having and being configured to be connected in the second end of the crossbeam;
Wherein, the crossbeam, the left dragging arm assembly and the right dragging arm assembly are configured to mirror symmetry, and described first
Axis and the second axis are continuous at the first end, and the first axle and the third axis are described
It is continuous at second end.
2. twist beam rear axle according to claim 1, which is characterized in that the second axis and the third axis are tool
There is a circular arc of the first radius, and the second axis and the third axis are to the same lateral bend of the first axle.
3. twist beam rear axle according to claim 2, which is characterized in that the cross of Left-wing Federation's socket part and the right connection part
Diameter of section is respectively greater than the cross-sectional diameter of the first end and the second end of the crossbeam, and described the of the crossbeam
One end and the second end are configured to be squeezed into Left-wing Federation's socket part and the right connection part, and by being connect in the Left-wing Federation
Welding in portion and the right connection part periphery couples.
4. twist beam rear axle according to claim 3, which is characterized in that the cross-sectional diameter of Left-wing Federation's socket part is more than institute
The cross-sectional diameter of the remainder of left bend pipe is stated, and the cross-sectional diameter of the right connection part is more than the surplus of the right bend pipe
The cross-sectional diameter of remaining part point.
5. according to the twist beam rear axle described in any one of claim 1-4, which is characterized in that the left dragging arm assembly and institute
It states right dragging arm assembly and respectively includes being welded to one or more of following component on the left bend pipe and the right bend pipe:
Spring holder, shock absorber support, damper casing, the brake back plate holder with brake back plate, with rubber bushing sleeve before
Trailing arm.
6. twist beam rear axle according to claim 5, which is characterized in that set respectively on the left bend pipe and the right bend pipe
It is equipped with perforation, and the damper casing is configured to pass through the perforation and is welded to the left bend pipe and the right bend pipe
On.
7. a kind of method of twist beam rear axle of manufacture according to any one of claim 1-6, which is characterized in that the side
Method includes the following steps:
1) crossbeam is manufactured;
2) left dragging arm assembly is manufactured;
3) right dragging arm assembly is manufactured using the method similar with step 2);
4) reaming is carried out to Left-wing Federation's socket part and right connection part;
5) first end and second end of crossbeam is squeezed into respectively in Left-wing Federation's socket part and right connection part;
6) it is welded along the periphery of Left-wing Federation's socket part and right connection part so that the left dragging arm assembly and the right trailing arm
Assembly is connected on the crossbeam.
8. the method according to the description of claim 7 is characterized in that the step of manufacturing left dragging arm assembly includes:
2.1) preceding trailing arm is manufactured by tubulose punch forming, and one end of the preceding trailing arm is welded to rubber bushing set
On cylinder, the other end is welded on left bend pipe;
2.2) spring holder is manufactured by punch forming, and the spring holder is welded to the middle part of the left bend pipe;
2.3) shock absorber support with bolt hole is manufactured by punch forming, and by one end of the shock absorber support
It is welded on the spring holder, the other end is welded on the left bend pipe;
2.4) so that damper casing is passed through the perforation on the left bend pipe, be then welded on the left bend pipe;And
2.5) brake back plate is welded on brake back plate holder, it is curved that the brake back plate holder is then welded to the left side
Guan Shang.
9. the method according to the description of claim 7 is characterized in that the step of manufacturing the crossbeam includes:Round tube is passed through
Punch forming forms intermediate recess portion.
10. the method according to the description of claim 7 is characterized in that the step of manufacturing the crossbeam includes:Steel plate is rolled into pipe
Shape;The end that contacts with each other of steel plate is welded together;Then by cutting the opening to form intermediate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235589.7A CN108688427A (en) | 2017-04-12 | 2017-04-12 | Twist beam rear axle and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235589.7A CN108688427A (en) | 2017-04-12 | 2017-04-12 | Twist beam rear axle and its manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN108688427A true CN108688427A (en) | 2018-10-23 |
Family
ID=63843521
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710235589.7A Pending CN108688427A (en) | 2017-04-12 | 2017-04-12 | Twist beam rear axle and its manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400876A (en) * | 2021-07-29 | 2021-09-17 | 四川建安工业有限责任公司 | Automobile front lower control arm |
| US11535079B2 (en) * | 2019-07-03 | 2022-12-27 | Ford Global Technologies, Llc | Torsion beam axles for vehicles |
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| US11535079B2 (en) * | 2019-07-03 | 2022-12-27 | Ford Global Technologies, Llc | Torsion beam axles for vehicles |
| CN113400876A (en) * | 2021-07-29 | 2021-09-17 | 四川建安工业有限责任公司 | Automobile front lower control arm |
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Application publication date: 20181023 |