KR20040050299A - Hydraulic mounter for preventing axle from healing - Google Patents

Hydraulic mounter for preventing axle from healing Download PDF

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Publication number
KR20040050299A
KR20040050299A KR1020020078091A KR20020078091A KR20040050299A KR 20040050299 A KR20040050299 A KR 20040050299A KR 1020020078091 A KR1020020078091 A KR 1020020078091A KR 20020078091 A KR20020078091 A KR 20020078091A KR 20040050299 A KR20040050299 A KR 20040050299A
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South Korea
Prior art keywords
hydraulic
mounter
fluid
axle
differential
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KR1020020078091A
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Korean (ko)
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이희성
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현대자동차주식회사
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Priority to KR1020020078091A priority Critical patent/KR20040050299A/en
Publication of KR20040050299A publication Critical patent/KR20040050299A/en

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    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/26—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions
    • F16F13/30—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids
    • F16F13/305—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper characterised by adjusting or regulating devices responsive to exterior conditions comprising means for varying fluid viscosity, e.g. of magnetic or electrorheological fluids magnetorheological

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Motor Power Transmission Devices (AREA)
  • Vehicle Body Suspensions (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

PURPOSE: A hydraulic mounter for preventing an axle from being raised by an MR(Magneto-rheological Fluid) is provided to prevent the axle from being raised and prevent noise while traveling, by mounting the mounter to a differential. CONSTITUTION: A hydraulic mounter(20) for preventing an axle from being raised by an MR is mounted between a rear sub-frame and a differential by upper and lower supports. The hydraulic mounter includes an outer pipe(22); an inner pipe(24) mounted through the outer pipe, to interconnect the upper and lower supports; a rubber member(30) arranged around the inner pipe; and a hydraulic pressure chamber(32) in which the MR is charged and an electromagnet(28) is mounted. The electromagnet forms a magnetic field by a signal of a control part when a vehicle departs and the MR becomes a rigid body and thus, the differential is prevented from being raised.

Description

ＭＲ 유체를 이용한 액슬 들림 방지용 하이드로릭 마운터{HYDRAULIC MOUNTER FOR PREVENTING AXLE FROM HEALING}HYDRAULIC MOUNTER FOR PREVENTING AXLE FROM HEALING}

본 발명은 하이드로릭 마운터(Hydraulic Mounter)에 관한 것으로, 더욱 상세하게는 MR 유체를 이용하여 자기장 발생시 MR 유체를 강체화함으로써 차량 발진시 발생하는 액슬의 들림 현상을 방지할 수 있는 하이드로릭 마운터에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hydraulic mounter, and more particularly, to a hydroelectric mounter capable of preventing lifting of axles generated when a vehicle is started by rigidifying an MR fluid when a magnetic field is generated by using an MR fluid. will be.

일반적으로 FR차량에서 차량의 초기 발진시 액슬(Axle)이 구동 반발력에 의해서 위로 들리는 현상이 발생한다. 따라서, 이런 액슬 들림에 의해서 추진축도 위도 들리게 되어 발진 진동이 발생하게 된다.In general, when the vehicle is initially started, the axle (Axle) is lifted up by the driving reaction force in the FR vehicle. Therefore, the propulsion shaft is also lifted by the axle lift, which causes oscillation vibration.

이를 방지하기 위하여 디퍼런셜 마운터로 액슬의 거동을 제어하게 되며, 사용하는 재질이나 구조에 따라 단순한 러버제 마운트 혹은 유압을 이용하는 하이드로릭 마운트 등으로 구분된다.To prevent this, the differential mounter controls the behavior of the axle, and is classified into a simple rubber mount or a hydraulic mount using hydraulic pressure depending on the material or structure used.

도 1에는 이러한 하이드로릭 마운트가 도시되는 바, 아웃터 파이프(Outer Pipe;8)의 내부에 이너 파이프(Inner Pipe;9)가 배치되고, 이너 파이프(9)의 주위에 러버부재(10) 및 스토퍼(11)가 제공된다. 그리고, 러버부재(10)의 내부에 공간이 형성됨으로 댐핑특성을 나타내게 되며, 액실(12)이 마련되어 물과 부동액을 공급함으로써 진동을 절감시키게 된다.In FIG. 1, such a hydraulic mount is shown. An inner pipe 9 is disposed inside an outer pipe 8, and a rubber member 10 and a stopper are disposed around the inner pipe 9. 11 is provided. In addition, the space is formed inside the rubber member 10 to exhibit damping characteristics, and the liquid chamber 12 is provided to reduce vibration by supplying water and an antifreeze.

그러나, 이러한 물과 부동액을 사용한 하이드로릭 마운트는 초기 발진시의 거동을 제어하면서 주행중의 소음(Load Noise)를 제어하기에는 튜닝(Tunning)의 어려움이 있어, 발진 진동 및 주행중 소음 둘다 제어하기 어려운 문제점이 있다.However, the hydroelectric mount using the water and the antifreeze has difficulty in controlling the load noise while controlling the behavior during initial oscillation, which makes it difficult to control both the oscillation vibration and the noise during the driving. .

따라서, 본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 창출된 것으로서, 본 발명의 목적은 MR 유체를 적용한 마운터를 디퍼런셜에 장착함으로써 자기장 발생시 MR 유체의 고체화에 의하여 액슬의 들림 현상을 방지할 수 있고 주행중 소음을 방지할 수 있는 하이드로릭 마운터를 제공하는데 있다.Therefore, the present invention was created to solve the problems as described above, an object of the present invention is to mount the mount to which the MR fluid is applied to the differential to prevent the lifting of the axle by the solidification of the MR fluid during magnetic field generation It is to provide a hydroelectric mounter to prevent noise while driving.

도 1은 종래 기술에 따른 차량의 액슬 들림 방지용 하이드로릭 마운터의 내부구조를 도시한 도면이다.1 is a view showing the internal structure of the axle lifter for preventing axle lift of a vehicle according to the prior art.

도 2는 본 발명에 따른 차량의 액슬 들림 방지용 하이드로릭 마운터가 디퍼런셜에 장착된 것을 도시하는 구조도이다.Figure 2 is a structural diagram showing that the axle lifter for preventing axle lift of a vehicle according to the present invention is mounted in a differential.

도 3은 도2에 도시된 하이드로릭 마운터의 내부구조를 도시하는 도면이다.3 is a diagram illustrating an internal structure of the hydroelectric mounter shown in FIG. 2.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

20: 하이드로릭 마운터 22: 아웃터 파이프20: hydraulic mounter 22: outer pipe

24: 이너 파이프 28: 전자석24: inner pipe 28: electromagnet

30: 러버부재 32: 액압실30: rubber member 32: hydraulic chamber

상기한 바와 같은 목적을 달성하기 위한 본 발명은 상부 및 하부 지지대에 의하여 차량의 저부와 디퍼런셜의 사이에 장착되는 하이드로릭 마운터에 있어서, 아웃터 파이프와, 상기 아웃터 파이프를 관통하여 장착되어 상기 상부 및 하부 지지대를 서로 연결하는 이너 파이프와, 상기 이너 파이프 주위에 제공되는 러버부재와, 그리고 MR 유체가 충전되고, 전자석이 장착되는 액압실을 포함하며, 차량 발진시 제어부의 신호에 의하여 상기 전자석이 자기장을 형성하여 MR 유체를 강체화시킴으로서 상기 디퍼런셜의 들림을 방지하고, 주행중에는 자기장을 해소시킴으로써 상기 MR 유체를 유동화시켜 댐핑작용을 하는 하이드로릭 마운터를 제공한다.The present invention for achieving the object as described above, in the hydraulic mounter is mounted between the bottom and the differential of the vehicle by the upper and lower support, the outer pipe, and mounted through the outer pipe and the upper and lower An inner pipe connecting the support to each other, a rubber member provided around the inner pipe, and a hydraulic chamber filled with MR fluid and equipped with an electromagnet. It is formed to rigidize the MR fluid to prevent the differential is lifted, while the magnetic field is released while driving to provide a hydro-mounter that has a damping action by fluidizing the MR fluid.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2 및 도 3에 도시된 바와 같이, 변속기(1)로부터 전달된 동력은 추진축(3)을 통하여 디퍼런셜(Differential;5)로 전달되며, 디퍼런셜(5)을 통하여 리어액슬(Rear Axle;7)로 전달된다. 따라서, 차량의 발진시 구동 반발력에 의하여 리어액슬(7)이 들리게 됨으로, 이러한 들림을 방지하기 위하여 하이드로릭 마운트(20)가 디퍼런셜(5)의 상부에 제공된다.2 and 3, the power transmitted from the transmission 1 is transmitted to the differential 5 through the propulsion shaft 3, and the rear axle 7 through the differential 5. Is delivered to. Accordingly, the rear axle 7 is lifted by the driving repulsion force when the vehicle is started, so that the hydraulic mount 20 is provided on the upper portion of the differential 5 to prevent the lift.

즉, 하이드로릭 마운터(20)는 상부 지지대(23)를 통하여 리어 서프레임(21)의 저부에 연결되고, 하부 지지대(25)를 통하여 디퍼런셜(5)의 상부에 연결된다. 따라서, 상기 디퍼런셜(5)이 상부로 들리는 것을 방지하게 된다.That is, the hydraulic mounter 20 is connected to the bottom of the rear subframe 21 through the upper support 23, and is connected to the upper portion of the differential 5 through the lower support 25. Thus, the differential 5 is prevented from being lifted upwards.

이러한 하이드로릭 마운트(20)는 아웃터 파이프(22)와, 상기 아웃터 파이프(22)를 관통하여 장착되어 상기 상부 및 하부 지지대(23,25)를 서로 연결하는 이너 파이프(24)와, 상기 이너 파이프(24) 주위에 제공되는 러버부재(30)와, 상기 러버부재(30)의 주위에 장착되는 스토퍼(32)와, 전자석(28)이 장착되고, MR 유체가 충전되는 액압실(30)을 포함한다.The hydraulic mount 20 has an outer pipe 22, an inner pipe 24 mounted through the outer pipe 22 to connect the upper and lower supports 23 and 25 to each other, and the inner pipe. The hydraulic member 30 provided around the rubber member 30, the stopper 32 mounted around the rubber member 30, and the electromagnet 28 are mounted, and the hydraulic chamber 30 filled with the MR fluid is provided. Include.

상기와 같은 구조를 갖는 하이드로릭 마운트에 있어서, 상기 러버부재(30)의 내부에는 댐핑 특성을 갖도록 공간(26)이 형성된다.In the hydraulic mount having the above structure, the space 26 is formed in the rubber member 30 to have damping characteristics.

그리고, 상기 액압실(30)에는 전자석(28)이 장착됨으로써 전기신호에 의하여 자기장을 발생하게 된다. 이러한 전자석(28)은 제어부(도시안됨)와 연결됨으로써 차량이 발진하는 경우 전기신호가 인가되어 자기장이 발생하게 된다.In addition, the electromagnet 28 is mounted in the hydraulic chamber 30 to generate a magnetic field by an electric signal. The electromagnet 28 is connected to a control unit (not shown), and when the vehicle starts, an electric signal is applied to generate a magnetic field.

또한, 상기 액압실(30)에 충전되는 MR 유체(Magnetorheological Fluid)는 광물유와 같은 비자성 액체에 금속 카르보닐기와 같은 미세한 가루가 함유되어 있는 물질이다. 이러한 MR 유체에 자기장이 가해지면 미세 입자들은 각각 자성을 띠게 되어 인력에 의하여 서로 접착됨으로써 강체를 형성하게 된다.In addition, the MR fluid (Magnetorheological Fluid) filled in the hydraulic chamber 30 is a material in which a fine powder such as a metal carbonyl group is contained in a nonmagnetic liquid such as mineral oil. When a magnetic field is applied to the MR fluid, the fine particles become magnetic each other, and are bonded to each other by attraction to form a rigid body.

따라서, 이러한 MR 유체에 가해지는 자기장을 적절하게 조절하게 되면 강도의 정도를 조절 가능하다. 그리고, 상기 액압실(30)은 상부와 하부에 각각 형성됨으로써 MR 유체가 충전된다.Therefore, if the magnetic field applied to such MR fluid is properly adjusted, the degree of intensity can be adjusted. In addition, the hydraulic chamber 30 is formed at the upper and lower portions thereof, respectively, so that the MR fluid is filled.

이러한 원리를 적용하여 상기 액압실(30)의 내부에 MR 유체를 충전하고, 전자석(28)에 전기신호를 인가하여 자기장을 형성함으로써 MR 유체를 강체화하여 진동을 감소시킬 수 있다.By applying this principle, the MR fluid may be filled in the hydraulic chamber 30, and an electric signal may be applied to the electromagnet 28 to form a magnetic field, thereby rigidifying the MR fluid to reduce vibration.

보다 상세하게 설명하면, 차량의 초기발진시 제어부(도시안됨)는 하이드로릭 마운터(20)에 신호를 인가함으로써 전자석(28) 주위에 자기장이 발생하도록 한다.이 자기장에 의하여 액압실(30)에 충전된 MR 유체는 강체화되어 유동이 없어진다.In more detail, when the vehicle is initially started, the control unit (not shown) generates a magnetic field around the electromagnet 28 by applying a signal to the hydroelectric mounter 20. The filled MR fluid is rigid and loses flow.

결국, MR 유체가 강체화됨으로써 하이드로릭 마운터(20)의 댐핑상수(Ks)의 값이 높아진다. 따라서, 차량의 초기 발진에 의한 액슬(5)과 추진축(3)의 들림 현상을 방지할 수 있다.As a result, the rigidity of the MR fluid increases the value of the damping constant Ks of the hydraulic mounter 20. Therefore, the lifting phenomenon of the axle 5 and the propulsion shaft 3 due to the initial start of the vehicle can be prevented.

반면에, 차량의 초기 발진이 아닌 경우에는 제어부(도시안됨)가 하이드로릭 마운터(20)에 신호를 차단함으로써 전자석(28) 주위에 자기장이 해소되어 발생하지 않게 된다.On the other hand, when the vehicle is not initially started, the control unit (not shown) blocks the signal to the hydroelectric mounter 20 so that the magnetic field around the electromagnet 28 is not generated.

따라서, MR 유체가 유동화되어 자유로이 유동 가능하게 되고, 하이드로릭 마운터(20)의 댐핑 상수값이 낮아지게 된다.Therefore, the MR fluid is fluidized to be freely flowable, and the damping constant value of the hydraulic mounter 20 is lowered.

결과적으로, 주행중에는 제어부(도시안됨)가 하이드로릭 마운터(20)에 인가되는 신호를 적절하게 조절함으로써 MR 유체의 강체화를 완화하여 적절하게 댐핑작용을 하게 됨으로 소음을 방지할 수 있다.As a result, while driving, the controller (not shown) appropriately adjusts the signal applied to the hydroelectric mounter 20 to mitigate the rigidity of the MR fluid so that the damping action can be appropriately prevented.

상술한 바와 같이 본 발명에 따른 MR 유체를 적용한 하이드로릭 마운터는 제어부로부터 전자석에 인가되는 신호를 조절함으로써 MR 유체의 강체화를 적절하게 조절하여 차량의 초기 발진시 액슬의 들림 현상을 방지할 수 있고 주행중 소음을 방지할 수 있는 장점이 있다.As described above, the hydroelectric mounter to which the MR fluid according to the present invention is applied can adjust the rigidity of the MR fluid by controlling the signal applied to the electromagnet from the control unit, thereby preventing the axle of the axle when the vehicle is initially started. There is an advantage to prevent noise while driving.

이상을 통해 본 발명의 바람직한 실시예에 대하여 설명하였으나, 본 발명은 이에 한정되는 것은 아니고 특허청구범위와 발명의 상세한 설명 및 첨부한 도면의 범위 안에서 여러 가지로 변형하여 실시하는 것이 가능하고, 이 또한 본 발명의 범위에 속하는 것은 당연하다.Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it is within the scope of the present invention.

Claims (2)

상부 및 하부 지지대에 의하여 차량의 리어 서프레임과 디퍼런셜의 사이에 장착되는 하이드로릭 마운터에 있어서,In the hydraulic mounter mounted between the rear subframe and the differential of the vehicle by the upper and lower supports, 아웃터 파이프와;With an outer pipe; 상기 아웃터 파이프를 관통하여 장착되어 상기 상부 및 하부 지지대를 서로 연결하는 이너 파이프와;An inner pipe mounted through the outer pipe and connecting the upper and lower supports to each other; 상기 이너 파이프 주위에 제공되는 러버부재와; 그리고A rubber member provided around the inner pipe; And MR 유체가 충전되고, 전자석이 장착되는 액압실을 포함하며,A hydraulic chamber filled with MR fluid and equipped with an electromagnet, 차량 발진시 제어부의 신호에 의하여 상기 전자석이 자기장을 형성하여 MR 유체를 강체화시킴으로서 상기 디퍼런셜의 들림을 방지하고, 주행중에는 자기장을 해소시킴으로써 상기 MR 유체를 유동화시켜 댐핑작용을 하는 하이드로릭 마운터.The electromagnet forms a magnetic field by the signal of the control unit when the vehicle is started, thereby rigidifying the MR fluid, thereby preventing the differential from being lifted, and discharging the magnetic field while fluidizing the MR fluid while driving to perform a damping action. 제1 항에 있어서, 상기 액압실은 상기 아웃터 파이프의 상, 하부에 각각 형성되어 MR 유체가 충전되는 하이드로릭 마운터.The hydraulic mounter of claim 1, wherein the hydraulic chamber is formed above and below the outer pipe to fill MR fluid.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064218A1 (en) * 2011-11-05 2013-05-10 Audi Ag Differential gearing bearing system and motor vehicle with a differential gearing bearing system

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JPS62184255A (en) * 1986-02-10 1987-08-12 Yakumo Kogyo Kk Vibration isolating device
JPH03249440A (en) * 1990-02-26 1991-11-07 Toyoda Gosei Co Ltd Vibration isolator
JPH0510379A (en) * 1991-07-08 1993-01-19 Bridgestone Corp Vibration-proof device and applied voltage control method for electromagnet
JPH05149372A (en) * 1991-11-29 1993-06-15 Tokai Rubber Ind Ltd Fluid charging type cylindrical vibration-proof device
KR19980036194U (en) * 1996-12-14 1998-09-15 박병재 Insulators for Engine Mounting

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Publication number Priority date Publication date Assignee Title
JPS62184255A (en) * 1986-02-10 1987-08-12 Yakumo Kogyo Kk Vibration isolating device
JPH03249440A (en) * 1990-02-26 1991-11-07 Toyoda Gosei Co Ltd Vibration isolator
JPH0510379A (en) * 1991-07-08 1993-01-19 Bridgestone Corp Vibration-proof device and applied voltage control method for electromagnet
JPH05149372A (en) * 1991-11-29 1993-06-15 Tokai Rubber Ind Ltd Fluid charging type cylindrical vibration-proof device
KR19980036194U (en) * 1996-12-14 1998-09-15 박병재 Insulators for Engine Mounting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013064218A1 (en) * 2011-11-05 2013-05-10 Audi Ag Differential gearing bearing system and motor vehicle with a differential gearing bearing system

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