KR20110095069A - Suspension device for automobile and manufacturing method thereof - Google Patents

Suspension device for automobile and manufacturing method thereof Download PDF

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Publication number
KR20110095069A
KR20110095069A KR1020100014879A KR20100014879A KR20110095069A KR 20110095069 A KR20110095069 A KR 20110095069A KR 1020100014879 A KR1020100014879 A KR 1020100014879A KR 20100014879 A KR20100014879 A KR 20100014879A KR 20110095069 A KR20110095069 A KR 20110095069A
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KR
South Korea
Prior art keywords
trailing arm
spindle plate
manufacturing
torsion beam
vehicle
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KR1020100014879A
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Korean (ko)
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KR101127802B1 (en
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박병철
조완제
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주식회사화신
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Priority to KR1020100014879A priority Critical patent/KR101127802B1/en
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    • 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
    • B60G21/052—Mounting means therefor
    • 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
    • B60G7/00—Pivoted suspension arms; Accessories thereof
    • B60G7/02—Attaching arms to sprung part of vehicle
    • 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
    • B60G2206/80—Manufacturing procedures
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/81—Shaping
    • B60G2206/8102—Shaping by stamping
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8201—Joining by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/72—Cooling or warming means

Abstract

PURPOSE: An automotive suspension device and a manufacturing method are provided to improve the productivity without adding the post-manufacturing process of the spindle plate. CONSTITUTION: An automotive suspension device comprises a trailing arm(10), a spindle plate(20), and a deformation absorbing portion(30). The trailing arm is arranged in both sides of the torsion beam. The spindle plate is installed in the trailing arm. The deformation absorbing portion comprises a gap which is formed between the trailing arm and spindle plate. The spindle plate forms an insertion groove portion(26) which is separately inserted to the trailing arm.

Description

차량용 현가장치 및 그 제조방법{SUSPENSION DEVICE FOR AUTOMOBILE AND MANUFACTURING METHOD THEREOF}Suspension for vehicle and manufacturing method thereof {SUSPENSION DEVICE FOR AUTOMOBILE AND MANUFACTURING METHOD THEREOF}

본 발명은 차량용 현가장치 및 그 제조방법에 관한 것으로서, 보다 상세하게는 조립공정에서 발생되는 변형을 보정하는 별도의 후가공이 필요하지 아니하므로, 생산성을 향상시킬 수 있는 차량용 현가장치 및 그 제조방법에 관한 것이다.
The present invention relates to a vehicle suspension device and a method for manufacturing the same, and more particularly, to a vehicle suspension device and a method for manufacturing the same, which do not require a separate post-processing to correct deformation generated in the assembly process. It is about.

일반적으로, CTBA(COUPLED TORSION BEAM AXLE) 타입의 차량용 현가장치는, 자동차의 후측에 고정되며, 타이어로부터 들어오는 외부 충격력을 흡수하여 승차감과 안전성을 향상시키는 장치이다.In general, a vehicle suspension device of the CTBA (COUPLED TORSION BEAM AXLE) type is a device that is fixed to the rear of the vehicle and absorbs external impact force from the tire to improve ride comfort and safety.

이와 같은 CTBA 타입의 차량용 현가장치는, 토션빔(Torsion Beam)과, 토션빔의 양측에 용접으로 고정되는 트레일링암을 포함한다.Such a CTBA type vehicle suspension apparatus includes a torsion beam and a trailing arm fixed by welding to both sides of the torsion beam.

토션빔은 차량의 선회시에 원심력으로 차체의 하중이 쏠리면서 기울어지는 현상을 방지하며, 차체의 평형을 유지한다.The torsion beam prevents the phenomenon of tilting while the load of the vehicle body is inclined by the centrifugal force during the turning of the vehicle and maintains the vehicle body balance.

트레일링암에는 휠 모듈과 결합되는 스핀들 플레이트가 고정되며, 트레일링암의 일단에는 차체프레임과 결합되는 부위에 부쉬가 설치된다.The spindle plate coupled to the wheel module is fixed to the trailing arm, and one end of the trailing arm is provided with a bush at the portion coupled to the body frame.

상기한 기술구성은 본 발명의 이해를 돕기 위한 배경기술로서, 본 발명이 속하는 기술분야에서 널리 알려진 종래기술을 의미하는 것은 아니다.
The above technical configuration is a background art for helping understanding of the present invention, and does not mean a conventional technology well known in the art.

트레일링암과 토션빔의 조립공정에서 발생된 변형으로 스핀들 플레이트의 위치가 변형되며, 이를 보정하기 위한 스핀들 플레이트의 후가공 공정이 추가되므로 생산성이 저하된다. 따라서, 이를 개선할 필요성이 요청된다.Deformation generated in the assembling process of the trailing arm and the torsion beam deforms the position of the spindle plate, and the post-processing process of the spindle plate for correcting this is added, thereby reducing productivity. Therefore, there is a need for improvement.

본 발명은 상기와 같은 필요성에 의해 창출된 것으로서, 스핀들 플레이트의 후가공 공정이 추가되지 아니하므로 생산성을 향상시킬 수 있는 차량용 현가장치 및 그 제조방법을 제공하는데 그 목적이 있다.
The present invention has been made by the necessity as described above, and an object thereof is to provide a suspension device for a vehicle and a method of manufacturing the same, which can improve productivity since a post-processing process of a spindle plate is not added.

본 발명에 따른 차량용 현가장치는: 토션빔의 양측에 구비되는 트레일링암과, 트레일링암에 설치되는 스핀들 플레이트 및 트레일링암과 스핀들 플레이트 사이에 구비되는 변형흡수부를 포함한다.A vehicle suspension apparatus according to the present invention includes: a trailing arm provided on both sides of a torsion beam, a spindle plate installed on the trailing arm, and a deformation absorber provided between the trailing arm and the spindle plate.

또한 변형흡수부는 트레일링암과 스핀들 플레이트 사이에 형성되는 틈인 것이 바람직하다.In addition, the strain absorbing portion is preferably a gap formed between the trailing arm and the spindle plate.

또한 스핀들 플레이트에는 트레일링암의 단부가 스핀들 플레이트와 이격되도록 트레일링암이 이격되게 삽입되는 삽입홈부가 형성되는 것이 바람직하다.In addition, the spindle plate is preferably formed with an insertion groove for inserting the trailing arm spaced apart so that the end of the trailing arm is spaced apart from the spindle plate.

또한 트레일링암은, 토션빔에 용접되는 제1연결부재 및 제1연결부재에 설치되는 제2연결부재를 포함하는 것이 바람직하다.In addition, the trailing arm preferably includes a first connection member welded to the torsion beam and a second connection member installed on the first connection member.

본 발명에 따른 차량용 현가장치의 제조방법은: (a) 트레일링암을 토션빔에 설치하는 단계와, (b) 트레일링암과 스핀들 플레이트 사이에 변형흡수부가 형성되도록 배치하는 단계 및 (c) 스핀들 플레이트를 트레일링암에 설치하는 단계를 포함한다.According to the present invention, there is provided a method of manufacturing a suspension device for a vehicle, comprising: (a) installing a trailing arm on a torsion beam, (b) arranging a deformation absorber to be formed between the trailing arm and the spindle plate, and (c) the spindle plate. It includes the step of installing on the trailing arm.

또한 본 발명은, (a)단계와 (b)단계 사이에 토션빔에 설치된 트레일링암을 냉각하는 단계를 더 포함하는 것이 바람직하다.In addition, the present invention preferably further comprises the step of cooling the trailing arm installed in the torsion beam between step (a) and (b).

또한 본 발명은, (a)단계 이전에 제1연결부재와 제2연결부재를 용접하여 트레일링암을 제조하는 단계를 더 포함하는 것이 바람직하다.In addition, the present invention preferably further comprises the step of manufacturing a trailing arm by welding the first connecting member and the second connecting member before step (a).

또한 (b)단계는 트레일링암의 단부와 스핀들 플레이트를 이격되게 배치하여 변형흡수부를 형성하는 것이 바람직하다.In addition, in step (b), the end of the trailing arm and the spindle plate are preferably spaced apart to form a deformation absorber.

또한 (b)단계는 스핀들 플레이트를 휠얼라인먼트가 셋팅된 지그에 배치하는 것이 바람직하다.Also, in step (b), it is preferable to arrange the spindle plate on the jig in which the wheel alignment is set.

또한 (c)단계 이후 부쉬를 트레일링암에 압입하는 단계를 더 포함하는 것이 바람직하다.
In addition, it is preferable to further include the step of injecting the bush into the trailing arm after step (c).

본 발명에 따른 차량용 현가장치 및 그 제조방법은, 트레일링암과 토션빔의 용접과 냉각 과정 중에 발생된 변형이 변형흡수부에 흡수되어 스핀들 플레이트의 후가공 공정이 필요하지 않으므로 생산성을 향상시킬 수 있다.
Suspension for a vehicle and a method for manufacturing the same according to the present invention can improve productivity since the deformation generated during the welding and cooling process of the trailing arm and the torsion beam is absorbed in the deformation absorbing portion, so that the post-processing process of the spindle plate is not necessary.

도 1은 본 발명의 일 실시예에 따른 차량용 현가장치를 개략적으로 도시한 분해 사시도이다.
도 2는 본 발명의 일 실시예에 따른 차량용 현가장치가 결합된 상태를 도시한 사시도이다.
도 3은 본 발명의 일 실시예에 따른 변형흡수부를 도시한 부분절개 사시도이다.
도 4는 본 발명의 일 실시예에 따른 차량용 현가장치의 제조방법에 대한 순서도이다.1 is an exploded perspective view schematically showing a vehicle suspension according to an embodiment of the present invention.
2 is a perspective view illustrating a state in which a vehicle suspension apparatus is coupled according to an embodiment of the present invention.
Figure 3 is a partial cutaway perspective view showing a deformation absorber according to an embodiment of the present invention.
4 is a flowchart illustrating a method of manufacturing a vehicle suspension according to an embodiment of the present invention.

이하, 첨부된 도면들을 참조하여 본 발명에 따른 차량용 현가장치 및 그 제조방법의 일 실시예를 설명한다. 설명의 편의를 위해 CTBA 타입의 차량용 현가장치 및 그 제조방법을 예로 들어 설명한다. 이 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로, 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.
Hereinafter, with reference to the accompanying drawings will be described an embodiment of a vehicle suspension and a method of manufacturing the same according to the present invention. For convenience of explanation, a description will be given taking a CTBA type vehicle suspension and a method of manufacturing the same. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

도 1은 본 발명의 일 실시예에 따른 차량용 현가장치를 개략적으로 도시한 분해 사시도이며, 도 2는 본 발명의 일 실시예에 따른 차량용 현가장치가 결합된 상태를 도시한 사시도이며, 도 3은 본 발명의 일 실시예에 따른 변형흡수부를 도시한 부분절개 사시도이며, 도 4는 본 발명의 일 실시예에 따른 차량용 현가장치의 제조방법에 대한 순서도이다.1 is an exploded perspective view schematically showing a vehicle suspension device according to an embodiment of the present invention, Figure 2 is a perspective view showing a state in which the vehicle suspension device is coupled according to an embodiment of the present invention, Figure 3 is 4 is a partially cutaway perspective view illustrating a deformation absorber according to an exemplary embodiment of the present invention, and FIG. 4 is a flowchart illustrating a manufacturing method of a vehicle suspension apparatus according to an exemplary embodiment of the present invention.

도 1 내지 도 4에 도시된 바와 같이, 본 발명의 일 실시예에 따른 차량용 현가장치(1)는, 토션빔(40)의 양측에 구비되는 트레일링암(10)과, 트레일링암(10)에 설치되는 스핀들 플레이트(20) 및 트레일링암(10)과 스핀들 플레이트(20) 사이에 구비되는 변형흡수부(30)를 포함한다.1 to 4, the vehicle suspension apparatus 1 according to an embodiment of the present invention includes a trailing arm 10 and trailing arms 10 provided at both sides of the torsion beam 40. It includes a spindle plate 20 to be installed and the deformation absorbing portion 30 provided between the trailing arm 10 and the spindle plate 20.

토션빔(40)은 차량의 횡방향으로 설치되며, 강한 비틀림 강성과 벤딩 강성이 요구되며, 이와 같은 기술사상 안에서 토션빔(40)은 다양한 형상의 빔부재가 사용될 수 있다.The torsion beam 40 is installed in the transverse direction of the vehicle, strong torsional rigidity and bending rigidity is required, and in such a technical concept, the torsion beam 40 may be a beam member of various shapes.

토션빔(40)의 양측에 설치되는 트레일링암(10)은 일체로 형성되거나, 복수의 부재가 일체로 고정되는 등 다양한 변형 실시가 가능하다.The trailing arms 10 provided on both sides of the torsion beam 40 may be integrally formed or various modifications may be performed such that a plurality of members are integrally fixed.

일 실시예에 의한 트레일링암(10)은, 토션빔(40)에 용접되는 제1연결부재(12) 및 제1연결부재(12)에 설치되는 제2연결부재(14)를 포함하며, 제1연결부재(12)와 제2연결부재(14)는 용접으로 고정된다.The trailing arm 10 according to an embodiment includes a first connecting member 12 welded to the torsion beam 40 and a second connecting member 14 installed on the first connecting member 12. The first connecting member 12 and the second connecting member 14 are fixed by welding.

제1연결부재(12)와 제2연결부재(14)가 고정된 일측에는 스핀들 플레이트(20)가 고정되며, 타측에는 파이프 형상의 부쉬브라켓(16)이 고정된다.The spindle plate 20 is fixed to one side to which the first connection member 12 and the second connection member 14 are fixed, and the bushing bracket 16 having a pipe shape is fixed to the other side.

부쉬(50)는 부쉬브라켓(16)에 삽입 설치되며, 차량용 현가장치(1)를 통해서 차체로 전달되는 진동을 감쇄시킨다.The bush 50 is inserted into the bushing bracket 16 and attenuates vibration transmitted to the vehicle body through the vehicle suspension device 1.

제1연결부재(12)와 제2연결부재(14)를 포함하는 트레일링암(10)은, 곡선 형상의 굽은 관 형상으로 형성되므로, 직선 관에 비하여 향상된 내구성을 제공한다.The trailing arm 10 including the first connecting member 12 and the second connecting member 14 is formed in a curved curved tube shape, thereby providing improved durability compared to a straight tube.

트레일링암(10)에 설치되는 스핀들 플레이트(20)는, 트레일링암(10)의 단부가 스핀들 플레이트(20)와 이격되도록 트레일링암(10)이 이격되게 삽입되는 삽입홈부(26)를 포함한다.The spindle plate 20 installed on the trailing arm 10 includes an insertion groove 26 into which the trailing arm 10 is spaced apart so that the end of the trailing arm 10 is spaced apart from the spindle plate 20.

삽입홈부(26)는 트레일링암(10) 단부의 외측면을 감싸는 형상으로 형성되거나, 내측면과 접하는 형상으로 형성될 수 있다.Insertion groove 26 may be formed in a shape surrounding the outer surface of the trailing arm 10, or may be formed in a shape in contact with the inner surface.

스핀들 플레이트(20)는 내측에 중공부(24)가 형성되는 몸체부(22)를 구비하며, 트레일링암(10)과 접하는 몸체부(22)에는 삽입홈부(26)가 형성된다.The spindle plate 20 has a body portion 22 having a hollow portion 24 formed therein, and an insertion groove portion 26 is formed in the body portion 22 in contact with the trailing arm 10.

일 실시예에 따른 삽입홈부(26)는, 트레일링암(10)의 단부 외측면을 감싼 형상으로 절곡 형성된다. 삽입홈부(26)는, 트레일링암(10)의 단부 외측면과 접하는 측면부(28)와, 측면부(28)에서 절곡되어 트레일링암(10)의 단부와 이격 설치되는 베이스부(29)를 포함한다.Insertion groove 26 according to an embodiment is bent to form a shape surrounding the outer end surface of the trailing arm (10). The insertion groove portion 26 includes a side portion 28 in contact with an outer surface of the trailing arm 10, and a base portion 29 that is bent at the side portion 28 and spaced apart from an end portion of the trailing arm 10. .

본 실시예에서, 트레일링암(10)과 스핀들 플레이트(20) 사이에 구비되는 변형흡수부(30)는, 트레일링암(10)과 스핀들 플레이트(20) 사이에 형성되는 틈(Gap)이다.In the present embodiment, the deformation absorbing portion 30 provided between the trailing arm 10 and the spindle plate 20 is a gap formed between the trailing arm 10 and the spindle plate 20.

트레일링암(10)의 단부와 삽입홈부(26)의 베이스부(29)는 이격되게 배치되어 변형흡수부(30)인 틈을 형성하며, 트레일링암(10)의 단부 외측면은 측면부(28)에 접한 상태에서 용접된다.The end of the trailing arm 10 and the base portion 29 of the insertion groove 26 are spaced apart to form a gap that is the deformation absorbing portion 30, the outer surface of the end of the trailing arm 10 is the side portion 28 Welded in contact with.

이하에서는 첨부된 도면들을 참조하여 본 발명의 일 실시예에 따른 차량용 현가장치(1)의 제조방법을 상세히 설명한다.Hereinafter, a method of manufacturing a vehicle suspension device 1 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 일 실시예에 따른 차량용 현가장치(1)의 제조방법은, 제1연결부재(12)와 제2연결부재(14)를 용접하여 트레일링암(10)을 제조한다.(S10)In the manufacturing method of the vehicle suspension apparatus 1 according to an embodiment of the present invention, the trailing arm 10 is manufactured by welding the first connecting member 12 and the second connecting member 14.

제1연결부재(12)와 제2연결부재(14)가 일체로 형성된 트레일링암(10)은, 토션빔(40)의 양측에 용접으로 고정되어, (a) 트레일링암(10)을 토션빔(40)에 설치한다.(S20)The trailing arm 10 in which the first connecting member 12 and the second connecting member 14 are integrally fixed is welded to both sides of the torsion beam 40, so that the trailing arm 10 is torsion beam fixed. (40). (S20)

트레일링암(10)을 토션빔(40)에 설치한 후에, 토션빔(40)에 설치된 트레일링암(10)을 냉각한다.(S30)After the trailing arm 10 is installed in the torsion beam 40, the trailing arm 10 installed in the torsion beam 40 is cooled. (S30)

제1연결부재(12)와 제2연결부재(14)의 용접으로 발생된 변형과, 제1연결부재(12)와 토션빔(40)의 용접으로 발생된 변형으로, 냉각된 트레일링암(10)은 설계와 다른 형상을 갖는다.The trailing arm 10 is cooled by deformation caused by welding of the first connection member 12 and the second connection member 14 and welding caused by the welding of the first connection member 12 and the torsion beam 40. ) Has a different shape from the design.

토션빔(40)에 트레일링암(10)을 고정한 후, (b) 트레일링암(10)과 스핀들 플레이트(20) 사이에 변형흡수부(30)가 형성되도록 배치한다.(S40)After the trailing arm 10 is fixed to the torsion beam 40, (b) the strain absorbing part 30 is disposed between the trailing arm 10 and the spindle plate 20.

이를 더욱 상세하게 설명하면, 트레일링암(10)의 단부가 삽입홈부(26)의 베이스부(29)와 이격된 상태로 배치되어 틈을 형성하므로, 트레일링암(10)과 스핀들 플레이트(20) 사이에는 용접이나 냉각으로 발생되는 변형을 흡수하는 변형흡수부(30)가 구비된다.In more detail, since the end of the trailing arm 10 is arranged to be spaced apart from the base portion 29 of the insertion groove 26 to form a gap, the trailing arm 10 and the spindle plate 20 The strain absorbing portion 30 that absorbs the strain generated by welding or cooling is provided.

토션빔(40)에 트레일링암(10)이 고정된 상태에서, 변형흡수부(30)의 간격을 조절하여, 트레일링암(10)에 배치되는 스핀들 플레이트(20)는 별도의 후가공 작업이 요구되지 아니한다.In the state in which the trailing arm 10 is fixed to the torsion beam 40, by adjusting the interval of the deformation absorbing portion 30, the spindle plate 20 disposed on the trailing arm 10 does not require a separate post-processing operation. No.

스핀들 플레이트(20)는 별도의 지그에 배치되지 않고 바로 트레일링암(10)에 용접으로 고정될 수 있으며, 조립 작업의 정확도를 높이기 위하여, 휠얼라인먼트가 셋팅된 지그에서 트레일링암(10)을 스핀들 플레이트(20)의 삽입홈부(26)에 삽입시켜 변형흡수부(30)의 간격을 조절한다.The spindle plate 20 may be directly fixed to the trailing arm 10 by welding without being disposed on a separate jig. In order to increase the accuracy of the assembly work, the spindle plate 20 may be mounted on the spindle plate in the jig where the wheel alignment is set. Inserted into the insertion groove 26 of the (20) to adjust the interval of the deformation absorbing portion (30).

변형흡수부(30)의 간격이 조절되면, (c) 스핀들 플레이트(20)를 트레일링암(10)에 설치한다.(S50)When the distance between the strain absorbing portion 30 is adjusted, (c) the spindle plate 20 is installed on the trailing arm 10. (S50)

트레일링암(10)의 단부와 스핀들 플레이트(20)의 베이스부(29)는 이격된 상태로 변형흡수부(30)를 형성하며, 스핀들 플레이트(20)의 측면부(28)와 트레일링암(10)의 측면은 용접으로 고정된다.The end of the trailing arm 10 and the base portion 29 of the spindle plate 20 form a deformation absorbing portion 30 in a spaced apart state, and the side portion 28 and the trailing arm 10 of the spindle plate 20. The side of is fixed by welding.

토션빔(40)과 트레일링암(10)에서 발생된 변형은 변형흡수부(30)에서 흡수되므로, 스핀들 플레이트(20)의 보정을 위한 후가공 작업이 생략된다.Since the deformation generated in the torsion beam 40 and the trailing arm 10 is absorbed by the deformation absorber 30, post-processing for the correction of the spindle plate 20 is omitted.

(c)단계 이후 부쉬(50)를 트레일링암(10)에 구비된 부쉬브라켓(16)에 압입한다.(S60)After step (c), the bush 50 is press-fitted into the bushing bracket 16 provided on the trailing arm 10. (S60)

상술한 바와 같은 구성에 의하면, 일 실시예에 따른 차량용 현가장치(1) 및 그 제조방법은, 트레일링암(10)과 토션빔(40)의 용접과 냉각 과정 중에 발생된 변형이 변형흡수부(30)에 흡수되어 스핀들 플레이트(20)의 후가공 공정이 추가되지 아니하므로 생산성을 향상시킬 수 있다.According to the configuration as described above, the vehicle suspension device 1 and the manufacturing method according to an embodiment of the present invention, the deformation generated during the welding and cooling process of the trailing arm 10 and the torsion beam 40 is a strain absorbing portion ( 30 is not absorbed by the post-processing process of the spindle plate 20 can be added to improve the productivity.

본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다. Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand.

또한, CTBA 타입의 차량용 현가장치 및 그 제조방법을 예로 들어 설명하였으나, 이는 예시적인 것에 불과하며, 다른 종류의 차량용 현가장치 및 그 제조방법에도 본 발명의 차량용 현가장치 및 그 제조방법이 사용될 수 있다.In addition, the vehicle suspension of the CTBA type and its manufacturing method has been described as an example, but this is merely exemplary, the vehicle suspension of the present invention and the manufacturing method of the present invention can be used in other types of vehicle suspension and its manufacturing method. .

따라서, 본 발명의 진정한 기술적 보호범위는 특허청구범위에 의해서 정하여져야 할 것이다.
Therefore, the true technical protection scope of the present invention will be defined by the claims.

1: 차량용 현가장치
10: 트레일링암 12: 제1연결부재
14: 제2연결부재 16: 부쉬브라켓
20: 스핀들 플레이트 26: 삽입홈부
28: 측면부 29: 베이스부
30: 변형흡수부 40: 토션빔
50: 부쉬1: vehicle suspension
10: trailing arm 12: first connecting member
14: second connecting member 16: bushing bracket
20: spindle plate 26: insertion groove
28: side part 29: base part
30: deformation absorbing portion 40: torsion beam
50: bush

Claims (10)

토션빔의 양측에 구비되는 트레일링암;
상기 트레일링암에 설치되는 스핀들 플레이트; 및
상기 트레일링암과 상기 스핀들 플레이트 사이에 구비되는 변형흡수부;를 포함하는 것을 특징으로 하는 차량용 현가장치.
Trailing arms provided at both sides of the torsion beam;
A spindle plate mounted to the trailing arm; And
And a strain absorbing part provided between the trailing arm and the spindle plate.
제1항에 있어서,
상기 변형흡수부는 상기 트레일링암과 상기 스핀들 플레이트 사이에 형성되는 틈인 것을 특징으로 하는 차량용 현가장치.
The method of claim 1,
The strain absorbing portion is a vehicle suspension, characterized in that the gap formed between the trailing arm and the spindle plate.
제1항에 있어서,
상기 스핀들 플레이트에는 상기 트레일링암의 단부가 상기 스핀들 플레이트와 이격되도록 상기 트레일링암이 이격되게 삽입되는 삽입홈부가 형성되는 것을 특징으로 하는 차량용 현가장치.
The method of claim 1,
The spindle plate is a suspension device for a vehicle, characterized in that the insertion groove is inserted into the trailing arm is spaced apart so that the end of the trailing arm is spaced apart from the spindle plate.
제1항 내지 제3항 중 어느 한 항에 있어서, 상기 트레일링암은,
상기 토션빔에 용접되는 제1연결부재; 및
상기 제1연결부재에 설치되는 제2연결부재;를 포함하는 것을 특징으로 하는 차량용 현가장치.
The trailing arm according to any one of claims 1 to 3,
A first connecting member welded to the torsion beam; And
And a second connection member installed at the first connection member.
(a) 트레일링암을 토션빔에 설치하는 단계;
(b) 상기 트레일링암과 스핀들 플레이트 사이에 변형흡수부가 형성되도록 배치하는 단계; 및
(c) 상기 스핀들 플레이트를 상기 트레일링암에 설치하는 단계;를 포함하는 것을 특징으로 하는 차량용 현가장치의 제조방법.
(a) installing the trailing arm into the torsion beam;
(b) arranging a deformation absorber to be formed between the trailing arm and the spindle plate; And
(c) installing the spindle plate to the trailing arm; manufacturing method of a vehicle suspension comprising a.
제5항에 있어서,
상기 (a)단계와 상기 (b)단계 사이에 상기 토션빔에 설치된 상기 트레일링암을 냉각하는 단계를 더 포함하는 것을 특징으로 하는 차량용 현가장치의 제조방법.
The method of claim 5,
Cooling the trailing arm installed in the torsion beam between the step (a) and the step (b).
제5항에 있어서,
상기 (a)단계 이전에 제1연결부재와 제2연결부재를 용접하여 상기 트레일링암을 제조하는 단계를 더 포함하는 것을 특징으로 하는 차량용 현가장치의 제조방법.
The method of claim 5,
And manufacturing the trailing arm by welding the first connection member and the second connection member before step (a).
제5항 내지 제7항 중 어느 한 항에 있어서,
상기 (b)단계는 상기 트레일링암의 단부와 상기 스핀들 플레이트를 이격되게 배치하여 상기 변형흡수부를 형성하는 것을 특징으로 하는 차량용 현가장치의 제조방법.
8. The method according to any one of claims 5 to 7,
The step (b) is a suspension manufacturing method for a vehicle, characterized in that for forming the deformation absorber by arranging the end of the trailing arm and the spindle plate.
제5항 내지 제7항 중 어느 한 항에 있어서,
상기 (b)단계는 상기 스핀들 플레이트를 휠얼라인먼트가 셋팅된 지그에 배치하는 것을 특징으로 하는 차량용 현가장치의 제조방법.
8. The method according to any one of claims 5 to 7,
Step (b) is a manufacturing method of a vehicle suspension, characterized in that for placing the spindle plate on the jig set wheel alignment.
제5항 내지 제7항 중 어느 한 항에 있어서,
상기 (c)단계 이후 부쉬를 상기 트레일링암에 압입하는 단계를 더 포함하는 것을 특징으로 하는 차량용 현가장치의 제조방법.8. The method according to any one of claims 5 to 7,
And (b) injecting a bush into the trailing arm after the step (c).
KR1020100014879A 2010-02-18 2010-02-18 Suspension device for automobile and manufacturing method thereof KR101127802B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109094322A (en) * 2018-08-08 2018-12-28 吉利汽车研究院（宁波）有限公司 A kind of torsion girder construction
JP2019172203A (en) * 2018-03-29 2019-10-10 ダイハツ工業株式会社 suspension
US11383574B2 (en) * 2018-03-29 2022-07-12 Magna International Inc. Vehicle twist axle assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4093548B2 (en) * 2002-07-09 2008-06-04 株式会社エフテック Torsion beam suspension

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019172203A (en) * 2018-03-29 2019-10-10 ダイハツ工業株式会社 suspension
US11383574B2 (en) * 2018-03-29 2022-07-12 Magna International Inc. Vehicle twist axle assembly
CN109094322A (en) * 2018-08-08 2018-12-28 吉利汽车研究院（宁波）有限公司 A kind of torsion girder construction

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