KR100428173B1 - a suspension system of commercial vehicles - Google Patents

a suspension system of commercial vehicles Download PDF

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Publication number
KR100428173B1
KR100428173B1 KR10-2001-0078815A KR20010078815A KR100428173B1 KR 100428173 B1 KR100428173 B1 KR 100428173B1 KR 20010078815 A KR20010078815 A KR 20010078815A KR 100428173 B1 KR100428173 B1 KR 100428173B1
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KR
South Korea
Prior art keywords
shaft
rotation shaft
torsion bar
frame
vehicle
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KR10-2001-0078815A
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Korean (ko)
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KR20030048785A (en
Inventor
김경호
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현대자동차주식회사
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Priority to KR10-2001-0078815A priority Critical patent/KR100428173B1/en
Publication of KR20030048785A publication Critical patent/KR20030048785A/en
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Publication of KR100428173B1 publication Critical patent/KR100428173B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/419—Gears
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • 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
    • B60G2206/8207—Joining by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes
    • F16H1/14—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-parallel axes comprising conical gears only

Abstract

본 발명은 상용차의 현가장치에 관한 것으로, 프레임(F)에 장착된 마운팅부재(10)에 트레일링암(30)의 축(32)이 삽입되고, 이 축(32)에 로테이션샤프트(40)가 삽입고정되며, 이 로테이션샤프트(40)와 베벨기어(41,51) 치합된 토션바(50)의 단부가 프레임(F)에 장착된 고정부재(20)에 삽입고정되는 구조로 이루어진다.The present invention relates to a suspension device for a commercial vehicle, wherein the shaft 32 of the trailing arm 30 is inserted into a mounting member 10 mounted to the frame F, and the rotation shaft 40 is inserted into the shaft 32. It is inserted and fixed, the end of the torsion bar 50 is engaged with the rotation shaft 40 and the bevel gears (41, 51) is made of a structure that is inserted into the fixing member 20 mounted to the frame (F).

따라서, 상기 토션바(50)에 의해 하중이 지지되고, 이 토션바(50)의 비틀림에 의해 진동 및 충격이 흡수된다.Therefore, the load is supported by the torsion bar 50, and vibration and shock are absorbed by the torsion of the torsion bar 50.

즉, 토션바(50)의 비틀림을 이용하는 간단한 구조의 독립현가가 구현되고, 차중 특히 스프링 하하중이 감소하여 차량의 승차감과 조정안정성이 향상되는 효과가 있으며, 또한 조립이 용이하고 조립공수도 감소하는 장점이 있다.That is, the independent suspension of a simple structure using the torsion bar 50 is implemented, and in particular, the spring load of the vehicle is reduced, so that the ride comfort and adjustment stability of the vehicle are improved, and the assembly is easy and the assembly labor is also reduced. There is an advantage.

Description

상용차의 현가장치{a suspension system of commercial vehicles}Suspension system of commercial vehicles

본 발명은 상용차의 현가장치에 관한 것으로, 특히 간단한 구조로 독립현가를 구현한 상용차의 현가장치에 관한 것이다.The present invention relates to a suspension of a commercial vehicle, and more particularly to a suspension of a commercial vehicle that implements an independent suspension with a simple structure.

일반적으로 상용차의 현가장치는 리지드 액슬(rigid axle)에 리프스프링(leaf spring)이 설치된 구조로 이루어진다.In general, the suspension of a commercial vehicle has a structure in which a leaf spring is installed on a rigid axle.

즉, 도 1에 도시된 바와 같이, 액슬(100)의 상부에 리프스프링(101)이 U볼트(102)를 매개로 고정되고, 상기 리프스프링(101)의 양단은 프레임(F)에 고정된 브라켓(103,104)에 고정되되, 리프스프링(101)의 후단은 상하유동시 길이방향 변형량을 흡수할 수 있도록 섀클(105)을 매개로 브라켓(104)에 연결되는 구조로 이루어진다.(미설명 부호 W는 휠이다.)That is, as shown in Figure 1, the leaf spring 101 is fixed to the upper portion of the axle 100 via the U bolt 102, both ends of the leaf spring 101 is fixed to the frame (F) It is fixed to the brackets (103, 104), the rear end of the leaf spring 101 is made of a structure that is connected to the bracket 104 via the shackle 105 so as to absorb the longitudinal deformation amount during vertical flow. Is a wheel.)

따라서, 프레임(F)의 상부 즉, 차체의 하중을 지지하고, 주행중 상하로 변형되면서 진동 및 충격을 흡수하게 된다.Accordingly, the upper portion of the frame F, that is, the load of the vehicle body is supported, and the vibration and shock are absorbed while being deformed up and down while driving.

그러나 상기 종래의 현가장치는 리지드 액슬 타입 즉, 비독립형 현가장치이기 때문에 양쪽 휠의 독립적인 거동이 불가하므로 독립현가장치에 비하여 승차감과 주행안정성이 떨어지는 단점이 있다.However, since the conventional suspension device is a rigid axle type, that is, a non-independent suspension device, independent movement of both wheels is impossible, so that the riding comfort and running stability are inferior to those of the independent suspension device.

또한, 리지드 타입의 상기 액슬(100)과 리프스프링(101)은 고중량체로서 차량의 중량이 증가하게 되고, 특히 스프링 하하중이 증가됨으로써 이 또한 승차감과 주행안정성을 저하시키는 요인이 되었다.In addition, the axle 100 and the leaf spring 101 of the rigid type have a heavy weight, and the weight of the vehicle is increased, and in particular, the spring load is increased, which also causes a deterioration of ride comfort and running stability.

또한, U볼트(102), 전후의 브라켓(103,104), 섀클(105) 등을 장착하기 위한공정수가 매우 많다는 단점이 있었다.In addition, there is a disadvantage that the number of steps for mounting the U bolt 102, the front and rear brackets 103 and 104, the shackle 105 and the like is very large.

이에 본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 간단한 구조로 독립현가를 구현할 수 있으며, 중량이 감소하고, 조립공수가 줄어들 수 있도록 된 상용차의 현가장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been made to solve the above problems, it is an object to provide a suspension device of a commercial vehicle that can implement the independent suspension with a simple structure, the weight is reduced, the assembly labor can be reduced.

도 1은 종래 상용차의 현가장치를 도시한 도면,1 is a view showing a suspension of a conventional commercial vehicle,

도 2는 본 발명에 따른 상용차의 현가장치를 구성하는 부품들의 분해 상태도,2 is an exploded state diagram of the components constituting the suspension device of a commercial vehicle according to the present invention;

도 3은 도 2의 조립 상태 평면도와, 이의 요부 확대도,3 is a plan view of the assembled state of FIG. 2, and an enlarged view of main parts thereof;

도 4는 도 3의 정면도,4 is a front view of FIG. 3;

도 5는 도 4의 우측면도이다.5 is a right side view of FIG. 4.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10 : 마운팅부재, 20 : 고정부재,10: mounting member, 20: fixing member,

11,21 : 브라켓, 12,22 : 몸체,11,21: bracket, 12,22: body,

30 : 트레일링암, 31 : 보스,30: trailing arm, 31: boss,

32 : 축, 33 : 스핀들,32: axis, 33: spindle,

40 : 로테이션샤프트, 41 : 베벨기어,40: rotation shaft, 41: bevel gear,

42 ; 수나사부, 50 : 토션바,42; External thread, 50: torsion bar,

51 : 베벨기어, 52 : 스플라인부,51: bevel gear, 52: spline part,

60 : 와셔, N : 너트.60: washer, N: nut.

상기와 같은 목적을 달성하기 위한 본 발명은, 프레임에 장착되는 마운팅부재와, 이 마운팅부재에 삽입되는 축과 휠의 허브가 장착되는 스핀들이 형성된 트레일링암과, 이 트레일링암의 상기 축에 삽입체결되고 단부에 베벨기어가 형성된 로테이션샤프트와, 상기 마운팅부재와 소정거리 떨어진 프레임 상의 위치에 장착되는 고정부재와, 일단에 상기 로테이션샤프트의 베벨기어와 치합되는 베벨기어가 형성되고 타단은 상기 고정부재에 스플라인체결되는 토션바로 이루어진다.The present invention for achieving the above object is a trailing arm formed with a mounting member mounted to the frame, a shaft to be inserted into the mounting member and a spindle to which the hub of the wheel is mounted, and fastened to the shaft of the trailing arm. A rotation shaft having a bevel gear formed at an end thereof, a fixing member mounted at a position on the frame away from the mounting member by a predetermined distance, and a bevel gear engaged with the bevel gear of the rotation shaft at one end thereof, and the other end of which is connected to the fixing member. It consists of a torsion bar that is splined.

상기와 같은 구조로 양측의 휠이 모두 장착됨으로써 독립현가가 구현되며, 또한 리지드 액슬, 리프스프링 등의 고중량체가 사용되지 않음으로써 중량이 감소하고, 구조가 단순하여 조립이 간편하다.Independent structure is realized by mounting the wheels on both sides with the above structure, and also the weight is reduced by not using the heavy weight such as rigid axle and leaf spring, and the assembly is simple and easy to assemble.

이하, 본 발명을 첨부된 예시도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, the present invention will be described in detail.

도 2는 본 발명을 구성하는 부품들의 분해도이다.2 is an exploded view of the components making up the present invention.

마운팅부재(10)는 프레임(F)에 볼트로 직접 장착되는 부분인 브라켓(11)과 트레일링암(30)의 축(32)이 삽입되는 구멍이 형성된 몸체(12)로 이루어진다.The mounting member 10 is composed of a body 12 having a hole into which a bracket 11 and a shaft 32 of the trailing arm 30 are inserted, which are directly mounted to the frame F by bolts.

고정부재(20) 역시 프레임(F)에 직접 장착되는 부분인 브라켓(21)과토션바(50)의 단부가 삽입되는 몸체(22)로 이루어진다.The fixing member 20 also includes a bracket 21, which is a portion directly mounted to the frame F, and a body 22 into which an end portion of the torsion bar 50 is inserted.

상기 트레일링암(30)은 ??자 형태의 부품으로서 한쪽 단부에는 회전중심이 되는 보스(31)가 형성되고, 이 보스(31)에는 상기 마운팅부재(10)의 몸체(12)에 삽입되는 축(32)이 형성되되, 이 축(32)과 상기 보스(31)를 관통하여 로테이션샤프트(40)가 삽입되는 구멍이 형성되고, 다른 한쪽 단부에는 휠(W)의 허브가 장착될 수 있도록 스핀들(33)이 가공된다.The trailing arm 30 is a part of a ?? shape and has a boss 31 which is a rotation center at one end thereof, and the boss 31 is inserted into the body 12 of the mounting member 10. 32 is formed, a hole through which the rotation shaft 40 is inserted through the shaft 32 and the boss 31 is formed, the other end of the spindle so that the hub of the wheel (W) can be mounted 33 is processed.

상기 로테이션샤프트(40)는 외주면에 스플라인이 형성되어 있으며, 헤드부는 베벨기어(41)로 형성되고, 말단부에는 너트(N)가 체결되는 수나사부(12)가 형성된다.The rotation shaft 40 is formed with a spline on the outer circumferential surface, the head portion is formed of a bevel gear 41, the end portion is formed with a male screw portion 12 is fastened to the nut (N).

상기 토션바(50)는 스프링강으로 제작되고, 한쪽 단부에 상기 로테이션샤프트(40)의 베벨기어(41)와 치합되는 베벨기어(51)가 형성되고, 타단에는 상기 고정부재(20)의 몸체(22)에 형성된 구멍에 삽입되는 스플라인부(52)가 형성된다.The torsion bar 50 is made of spring steel, bevel gear 51 is meshed with the bevel gear 41 of the rotation shaft 40 at one end, the other end of the body of the fixing member 20 The spline part 52 inserted into the hole formed in 22 is formed.

상기 부품들의 조립과정과 조립상태에서의 작동을 도 3 내지 도 5를 참조하여 설명한다.The assembly process of the components and the operation in the assembled state will be described with reference to FIGS. 3 to 5.

상기 마운팅부재(10)의 브라켓(11)은 프레임(F)의 외측면에 장착되고, 몸체(12)의 구멍에는 트레일링암(30)의 축(32)이 삽입되며, 이 삽입상태는 회동가능한 상태이다.The bracket 11 of the mounting member 10 is mounted on the outer surface of the frame F, the shaft 32 of the trailing arm 30 is inserted into the hole of the body 12, the insertion state is rotatable It is a state.

이후, 상기 축(32)에 형성된 구멍으로 로테이션샤프트(40)가 차내측부에서 차외측부를 향하는 방향으로 삽입되고, 로테이션샤프트(40)의 수나사부(42)에 와셔(60)와 너트(N)가 체결됨으로써 로테이션샤프트(40)가 축(32)으로부터 빠지지않도록 한다. 이 축(32)의 구멍에는 스플라인이 형성되어 있어 상기 로테이션샤프트(40)는 축(32)과 스플라인 결합되어 상호간에 회전은 불가하다.Subsequently, the rotation shaft 40 is inserted into the hole formed in the shaft 32 in the direction from the inside of the vehicle toward the outside of the vehicle, and the washer 60 and the nut N in the male screw portion 42 of the rotation shaft 40. Is locked so that the rotation shaft 40 does not fall out of the shaft 32. A spline is formed in the hole of the shaft 32 so that the rotation shaft 40 is splined with the shaft 32 so that rotation between them is impossible.

한편, 상기 고정부재(20)의 브라켓(21)은 프레임(F)의 내측면에 장착되며, 몸체(22)에 형성된 구멍의 내부에 스플라인이 형성되어 있어 상기 토션바(50)의 스플라인부(52)가 삽입되어 스플라인 결합되며, 이 상태에서 반대쪽의 베벨기어(51)는 상기 로테이션샤프트(40)의 베벨기어(41)와 치합된다.On the other hand, the bracket 21 of the fixing member 20 is mounted on the inner surface of the frame (F), the spline is formed in the hole formed in the body 22, the spline portion of the torsion bar 50 ( 52 is inserted and spline-coupled, in which the opposite bevel gear 51 is engaged with the bevel gear 41 of the rotation shaft 40.

상기와 같은 구조에 의하여 주행중 차체가 다운되면 보스(31)를 중심으로 상기 트레일링암(30)이 상향회전되는데, 이때 축(32)과 이에 스플라인 결합된 로테이션샤프트(40)도 동일각도로 회전된다.When the vehicle body is driven down by the structure as described above, the trailing arm 30 is rotated upward with respect to the boss 31. At this time, the shaft 32 and the rotation shaft 40 splined thereto are also rotated at the same angle. .

이 로테이션샤프트(40)의 회전력은 베벨기어(41,51)의 치합상태에 의하여 토션바(50)에 전달되는데, 이 토션바(50)의 후단 스플라인부(52)는 고정부재(20)의 몸체(22)에 스플라인 결합되어 회전되지 못하므로 토션바(50)는 비틀리게 된다.The rotational force of the rotation shaft 40 is transmitted to the torsion bar 50 by the engagement state of the bevel gears 41 and 51, and the rear end spline portion 52 of the torsion bar 50 is The torsion bar 50 is twisted because the spline coupled to the body 22 is not rotated.

따라서 비틀림에 대한 반력이 발생하고, 이 반력은 로테이션샤프트(40)와 상기 축(32)을 역회전시킴으로써 트레일링암(30)을 원위치시킨다.Accordingly, a reaction force against torsion occurs, which causes the trailing arm 30 to be returned by rotating the rotation shaft 40 and the shaft 32 back.

이러한 과정을 통하여 주행중 발생되는 진동 및 충격이 흡수된다.Through this process, vibrations and shocks generated while driving are absorbed.

한편, 상기와 같은 구조는 차량 양측의 휠(W)을 장착하는데 동일하게 적용되며, 양측의 트레일링암(30)의 거동은 상호간에 영향받지 않으므로 상기 구조는 독립현가로서 작용하게 된다.On the other hand, the above structure is equally applied to the mounting of the wheels (W) on both sides of the vehicle, the behavior of the trailing arms 30 on both sides is not affected by each other, the structure will act as an independent suspension.

즉, 양측의 휠(W)이 상호 독립적으로 거동하게 됨으로써 각각의 접지면 상태에 따라 적합하게 거동할 수 있게 되어 승차감과 주행 안정성이 향상된다.That is, since the wheels W on both sides behave independently of each other, the wheels W can be suitably behaved according to the respective ground plane states, thereby improving the riding comfort and running stability.

또한, 상기 부품들중 가장 무거운 것은 트레일링암(30)인데 이 트레일링암(20)조차도 종래의 리지드 액슬에 비하면 매우 가벼운 부품이다. 즉, 본 발명은 현가장치를 구성하는데 있어 종래 리지드액슬이나 리프스프링과 같은 고중량체를 사용하지 않음으로써 차량의 중량이 감소되는 효과가 있고, 특히 스프링 하하중이 감소되어 휠(W)의 요동이 적고, 이 요동에 의한 진동이 차체측으로 잘 전달되지 않으므로 승차감과 주행 안정성이 더욱 향상된다.In addition, the heaviest of the components is the trailing arm 30, which is even lighter than the conventional rigid axle. That is, the present invention has the effect that the weight of the vehicle is reduced by not using a heavy weight such as a rigid rigid axle or a leaf spring in the configuration of the suspension, in particular, the spring load is reduced, so that the fluctuation of the wheel (W) is Since the vibration caused by this fluctuation is hardly transmitted to the vehicle body side, the riding comfort and running stability are further improved.

한편, 본 발명에서는 다수의 볼트와 너트를 사용하여 프레임에 장착됨으로써 많은 작업공수를 필요로하는 부품은 마운팅부재와 고정부재 뿐이며, 그 외의 부품들은 끼워맞춰지는 구조로 이루어져 있어서 조립이 매우 용이하고 작업공수도 감소된다.On the other hand, in the present invention, by mounting to the frame using a plurality of bolts and nuts, the parts requiring a lot of work is only the mounting member and the fixing member, the other parts are made of a structure that is fitted to the assembly is very easy and work Airborne is also reduced.

이상 설명한 바와 같이 본 발명에 따르면, 토션바의 비틀림을 이용하는 간단한 구조의 독립현가가 구현되고, 차중 특히 스프링 하하중이 감소하여 차량의 승차감과 조정안정성이 향상되는 효과가 있으며, 또한 조립이 용이하고 조립공수도 감소하는 장점이 있다.As described above, according to the present invention, an independent suspension having a simple structure using the torsion bar's torsion is implemented, and in particular, the spring load of the vehicle is reduced, so that the riding comfort and the adjustment stability of the vehicle are improved. There is also an advantage in reducing the assembly labor.

Claims (3)

프레임(F)에 장착되는 마운팅부재(10)와, 이 마운팅부재(10)의 몸체(12)에 회전가능한 상태로 삽입되는 축(32)과 휠(W)의 허브가 장착되는 스핀들(33)이 형성된 트레일링암(30)과, 이 트레일링암(30)의 상기 축(32)에 삽입되어 스플라인 체결되고 단부에 베벨기어(41)가 형성된 로테이션샤프트(40)와, 상기 마운팅부재(10)와 소정거리 떨어진 프레임(F) 상의 위치에 장착되는 고정부재(20)와, 일단에 상기 로테이션샤프트(40)의 베벨기어(41)와 치합되는 베벨기어(51)가 형성되고 타단은 상기 고정부재(20)의 몸체(22)에 삽입되어 스플라인 체결되는 토션바(50)로 이루어지는 상용차의 현가장치.A spindle 33 on which a mounting member 10 mounted to the frame F, a shaft 32 inserted into the body 12 of the mounting member 10 in a rotatable state, and a hub of the wheel W are mounted. And a rotation shaft 40 formed therein, a rotation shaft 40 which is inserted into the shaft 32 of the trailing arm 30 and splined thereto, and a bevel gear 41 is formed at an end thereof. A fixing member 20 mounted at a position on the frame F spaced apart from the predetermined distance and a bevel gear 51 engaged with the bevel gear 41 of the rotation shaft 40 are formed at one end thereof and the other end of the fixing member ( Suspension device of a commercial vehicle consisting of a torsion bar 50 is inserted into the body 22 of the spline fastening. 제 1항에 있어서, 상기 축(32)은 트레일링암(30)의 단부에 두텁게 형성된 보스(31)에 형성되며, 상기 로테이션샤프트(40)는 이 축(32)과 보스(31)를 관통하는 구멍에 삽입된후 로테이션샤프트(40)의 단부에 형성된 수나사부(42)에 와셔(60)와 너트(N)가 체결되는 것을 특징으로 하는 상용차의 현가장치.2. The shaft (32) according to claim 1, wherein the shaft (32) is formed in a boss (31) thickly formed at the end of the trailing arm (30), and the rotation shaft (40) penetrates the shaft (32) and the boss (31). Suspension device of a commercial vehicle, characterized in that the washer (60) and the nut (N) is fastened to the male screw portion (42) formed at the end of the rotation shaft (40) after being inserted into the hole. 제 1항에 있어서, 상기 마운팅부재(10)와 고정부재(20)는 프레임(F)에 볼트와 너트를 매개로 직접 장착되는 브라켓(11,21)과, 상기 로테이션샤프트(40)와 토션바(50)가 삽입되는 구멍이 형성되는 몸체(12,22)로 이루어지는 것을 특징으로 하는 상용차의 현가장치.According to claim 1, The mounting member 10 and the fixing member 20 is a bracket (11, 21) directly mounted on the frame (F) via a bolt and nut, the rotation shaft 40 and the torsion bar Suspension device for a commercial vehicle, characterized in that consisting of a body (12, 22) is formed a hole into which 50 is inserted.
KR10-2001-0078815A 2001-12-13 2001-12-13 a suspension system of commercial vehicles KR100428173B1 (en)

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KR20050040252A (en) * 2003-10-28 2005-05-03 기아자동차주식회사 A stabilizer bar of vehicle
KR102187462B1 (en) * 2015-12-15 2020-12-07 현대자동차 주식회사 Trailing arm for coupled torsion beam axle in vehicle
KR102406077B1 (en) * 2016-10-26 2022-06-08 현대자동차주식회사 Coupled Torsion Beam Axle for vehicle
CN109442023B (en) * 2018-12-17 2020-12-15 玉环县格黎特汽车配件厂 Integral cold forging bevel gear shaft

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US4415181A (en) * 1981-11-09 1983-11-15 Mccall Charles F Low ground clearance trailer
KR19990058556A (en) * 1997-12-30 1999-07-15 정몽규 Rear two-axis torsion bar suspension of car
JP2001047824A (en) * 1999-08-10 2001-02-20 Mitsubishi Motors Corp Rear suspension for vehicle
KR20010013089A (en) * 1997-05-29 2001-02-26 피어스 윌리암 씨. Dual trailing arm vehicle suspension

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US4415181A (en) * 1981-11-09 1983-11-15 Mccall Charles F Low ground clearance trailer
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KR19990058556A (en) * 1997-12-30 1999-07-15 정몽규 Rear two-axis torsion bar suspension of car
JP2001047824A (en) * 1999-08-10 2001-02-20 Mitsubishi Motors Corp Rear suspension for vehicle

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