KR100342223B1 - Device for controlling preload of final reduction gear for vehicle - Google Patents

Device for controlling preload of final reduction gear for vehicle Download PDF

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Publication number
KR100342223B1
KR100342223B1 KR1019970007530A KR19970007530A KR100342223B1 KR 100342223 B1 KR100342223 B1 KR 100342223B1 KR 1019970007530 A KR1019970007530 A KR 1019970007530A KR 19970007530 A KR19970007530 A KR 19970007530A KR 100342223 B1 KR100342223 B1 KR 100342223B1
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South Korea
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preload
reduction gear
spacer
taper roller
ring gear
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KR1019970007530A
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Korean (ko)
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KR19980072621A (en
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최정익
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기아자동차주식회사
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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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1244—Keeping the current state

Abstract

PURPOSE: A compensation control apparatus of preload for a final reduction gear in a vehicle is provided to reduce wear and noise by integrating the outer periphery of a driving pinion with the inside of a taper roller bearing in inserting a spacer between the driving pinion and a ring gear. CONSTITUTION: A ring gear(20) transmits power to a rear axle(10), and increases torque. A final reduction gear unit is composed of a driving pinion(30) rotating by inserting a spacer(60) to the ring gear, and plural taper roller bearings(40) interlocking in rotating the driving pinion. The spacer is made of aluminum having the high coefficient of thermal expansion, and connected to compensate preload for normal wear of the taper roller bearing. Wear and noise are reduced by integrating the outer periphery of the driving pinion with the inside of the taper roller bearing.

Description

차량의 종감속기어의 예압보정 제어장치Preload compensation controller of longitudinal reduction gear of vehicle

본 발명은 차량의 종감속기어의 예압보정 제어장치에 관한 것으로서 더 자세하게는 스페이서를 열팽창계수가 높은 알루미늄 재질로 교체하여 주행에 가해지는 예압을 스페이서의 열팽창량 만큼 보정하여 구동피니언이 밀려 이동하는 것을 막으며 구동피니언과 링기어의 비정상적인 치합에 의한 마모와 소음을 제거하는 차량의 종감속기어의 예압보정 제어장치에 관한 것이다.The present invention relates to a preload correction control device for a longitudinal reduction gear of a vehicle. More specifically, the drive pinion is moved by correcting the preload applied to the driving by replacing the spacer with aluminum material having a high coefficient of thermal expansion. The present invention relates to a preload compensation control device for a longitudinal reduction gear of a vehicle which prevents wear and noise caused by abnormal engagement of a drive pinion and a ring gear.

일반적으로 차량의 뒤차축연결상태는 자동차의 중량을 지지함과 동시에 엔진의 회전력을 구동바퀴에 전달하는 것으로 감속기어,차동기어,액슬 및 하우징을 선택하고 있다.In general, the rear axle connection state of the vehicle supports the weight of the vehicle and at the same time transmits the rotational force of the engine to the drive wheels to select the reduction gear, differential gear, axle and housing.

도 1은 종래의 실시예에 따른 차량의 종감속기어의 예압보정 제어장치의 구성도이며,도 2는 종래의 실시예에 따른 예압에 의한 베어링의 마모의 정도의 그래프이다.1 is a block diagram of a preload correction control device for a longitudinal reduction gear of a vehicle according to a conventional embodiment, Figure 2 is a graph of the degree of wear of the bearing by the preload according to the conventional embodiment.

이러한 종래의 뒤차축 연결장치는 도 1 내지 도 2에서 보는 바와 같이 자동적으로 회전차를 주어서 원할한 주행을 할 수 있도록 하기 위해 종방향으로 세워져 그 외부면에 연결된 장치들로부터 동력회전이 전달되도록 하는 뒤차축(1)과, 상기한 뒤차축(1)의 외주면에 맞물려 전달받은 동력을 그대로 전달할 수 있도록 하는 링기어(2)(ring gear)와, 상기한 링기어(2)에 끼워져 연동하면서 동력을 전달하는 구동 피니언(3)(drive pinion)와,상기한 구동 피니언(3)의 회전에 연동하여 회전하면서 지지하도록 양측으로 나누어 배치하는 타퍼 롤러 베어링(4)(taper rollar bearing)와,상기한 양 타퍼 롤러 베어링(4)을 축방향의 위치결정을 하기 위해 긴밀히 접촉 연결하는 디스턴스 피스(5)(distance piece)를 연결구성하며,특히 링기어(2)에 접촉하면서 회전하는 구동 피니언(3)이 회전하면서 마모되는 것을 막기 위해 끼우는 스페이서(6)를 구비한 종감속기어를 구성하고 있다.Such a conventional rear axle connecting device is a vertically erected in order to allow a smooth driving by giving a rotary car as shown in Figures 1 to 2 so that the power rotation is transmitted from the devices connected to its outer surface The ring gear 2 and the ring gear 2 which are engaged with the rear axle 1 and the outer circumferential surface of the rear axle 1 so as to transmit the received power as they are, and are interlocked with the ring gear 2 as described above A drive pinion (3) for transmitting a drive, a taper roll bearing (4) arranged in two sides so as to support while rotating in association with the rotation of the drive pinion (3) described above; A drive piece (3) which connects a distance piece (5) in intimate contact connection between the two taper roller bearings (4) for axial positioning, in particular rotating in contact with the ring gear (2). This rotation As jong constitute a reduction gear provided with a spacer 6 fitting to prevent wear.

이러한 종래의 기술은 앞엔진 뒤바퀴 구동 자동차인 경우 최종감속기어인 구동피니언의 예압(pre-load)조정은 디퍼런스기어구조에서 양측 타퍼 롤러 베어링(4)사이에 디스턴스피스(5)의 탄력성을 이용하여 지지시켜 예압(pre-load : 13~18㎏/㎝)을 부여하는 것이다.This conventional technique is a pre-load adjustment of the drive pinion, which is the final reduction gear in the case of a front engine rear wheel drive car, by utilizing the elasticity of the distance piece 5 between the two tarper roller bearings 4 in the differential gear structure. It is supported to give a preload (pre-load: 13 ~ 18 kg / ㎝).

그러나, 예압을 부여하게 될 경우 베어링은 지지하는 디스턴스피스간의 정상마모로 부터 베어링의 강성을 증대시키기 위한 예압이 초기 13~18kg/cm에서3~5kg/cm까지 무게하중에 의해 밀려나가 베어링의 마모잡음과 구동피니언의 스러스트(thrust)변위량 발생으로 기어의 토스 콘텍트(tooth contact)불안정으로 치면의 이상으로 쉽게 마모되며 주행중에 과다한 하중으로 디스턴스피스의 심한 마모잡음을 발생하는 문제점을 가지게 되었다,However, when preload is applied, the bearing is pushed by the weight load from the initial 13 ~ 18kg / cm to 3 ~ 5kg / cm to increase the bearing rigidity from normal wear between supporting distance pieces. Due to the noise and thrust displacement of the driving pinion, the tooth contact of the gear is unstable and wears easily over the tooth surface, and there is a problem of severe wear noise of the distance piece due to excessive load while driving.

본 발명은 이와 같은 종래의 제반 문제점을 해결하기 위기 위해 안출한 것으로서 그 목적은 스페이서를 열팽창계수가 높은 알루미늄 재질로 교체하여 주행에 가해지는 예압을 스페이서의 열팽창량 만큼 보정하여 구동피니언이 밀려 이동하는 것을 막으며 구동피니언과 링기어의 비정상적인 치합에 의한 마모와 소음을 제거하고자 하는 데 있다.The present invention has been made in order to solve such a conventional problem, the object is to replace the spacer with aluminum material having a high coefficient of thermal expansion to correct the preload applied to the driving by the amount of thermal expansion of the spacer to move the drive pinion pushed It is to prevent wear and noise caused by abnormal engagement of driving pinion and ring gear.

상기의 목적을 달성하기 위한 본 발명의 구성은 뒤차축에 동력을 전달하여 감속으로 토크를 증대시키기 위해 뒤차측으로부터 전달받은 동력을 링기어에 스페이서를 끼워접촉하면서 회전하는 구동피니언과,상기한 구동피니언의 회전에 연동하도록 복수개로 배치한 타퍼 롤러 베어링을 갖는 종감속기어장치에 있어서, 상기한 타퍼롤러베어링이 예압에 의해 정상마모가 이루어지도록 예압을 보정하는 열팽창계수가 큰 알루미늄재질의 스페이서를 연결함을 특징으로 한다.The configuration of the present invention for achieving the above object is a drive pinion that rotates while transmitting a power to the rear axle to increase the torque at the deceleration by increasing the torque received from the rear vehicle side by inserting a spacer to the ring gear, the above drive In a longitudinal reduction gear device having a plurality of taper roller bearings arranged in conjunction with the rotation of the pinion, the above-mentioned taper roller bearings are connected to an aluminum spacer having a large coefficient of thermal expansion for correcting the preload so that normal wear is achieved by preloading. It is characterized by.

도 1은 종래의 실시예에 따른 차량의 종감속기어의 예압보정 제어장치의 구성도이다.1 is a block diagram of a preload correction control apparatus for a longitudinal reduction gear of a vehicle according to a conventional embodiment.

도 2는 종래의 실시예에 따른 예압에 의한 베어링의 마모의 정도의 그래프이다.Figure 2 is a graph of the degree of wear of the bearing by the preload according to the conventional embodiment.

도 3은 본 발명의 실시예에 따른 차량의 종감속기어의 예압보정 제어장치의 구성도이다.3 is a configuration diagram of a preload correction control apparatus for a longitudinal reduction gear of a vehicle according to an exemplary embodiment of the present invention.

도 4는 본 발명의 실시예에 따른 예압에 의한 베어링의 마모의 정도의 그래프이다.Figure 4 is a graph of the degree of wear of the bearing by the preload according to an embodiment of the present invention.

* 도면의 주요부분에 대한 부호설명* Explanation of symbols on the main parts of the drawings

1,10 : 뒤차축 2,20 : 링기어1,10: Rear axle 2,20: Ring gear

3,30 : 구동 피니언 4,40 : 타퍼 롤러 베어링3,30: Drive Pinion 4,40: Tipper Roller Bearing

5,50 : 디스턴스 피스 6,60 : 스페이서5,50: distance piece 6,60: spacer

이하 본 발명이 속하는 기술 분야에서 통상의 지식을 가진자가 본 발명을 용이하게 실시할수 있을 정도로 본 발명에 의한 구조를 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, a structure according to the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention.

도 3은 본 발명의 실시예에 따른 차량의 종감속기어의 예압보정 제어장치의 구성도이며,도 4는 본 발명의 실시예에 따른 예압에 의한 베어링의 마모의 정도의 그래프이다.3 is a configuration diagram of a preload correction control apparatus for a longitudinal reduction gear of a vehicle according to an exemplary embodiment of the present invention, and FIG. 4 is a graph of the degree of wear of a bearing due to the preload according to the exemplary embodiment of the present invention.

도시한 바와 같이 본 발명은 앞엔진의 동력을 뒷바퀴 부위에 동력을 전달하는 뒤차축(10)은 외주면에 맞물려 전달받은 동력을 그대로 전달할 수 있도록 하는 링기어(20)(ring gear)를 연결구성하며,상기한 링기어(20)에 끼워져 연동하면서 동력을 전달하는 구동 피니언(30)(drive pinion)와,상기한 구동 피니언(30)의 회전에 연동하여 회전하면서 지지하도록 양측으로 나누어 배치하는 타퍼 롤러 베어링(40)(taper rollar baering)을 연결구성한다.As shown in the present invention, the rear axle 10 for transmitting the power of the front engine to the rear wheel portion is connected to the ring gear 20 (ring gear) to be coupled to the outer circumferential surface to transmit the power received as it is. A drive pinion (30) inserted into the ring gear (20) to transmit power while interlocking with each other, and a taper roller that is divided into two sides so as to support while rotating in conjunction with the rotation of the drive pinion (30). The bearing 40 (taper rollar baering) is connected.

상기한 양 타퍼 롤러 베어링(40)은 축방향의 위치결정을 하기 위해 긴밀히 접촉 연결하는 디스턴스 피스(50)(distance piece)를 연결구성된 것으로 이상은 종래의 종감속기어장치와 동일한 구성을 구비하고 있다.The above-mentioned two taper roller bearings 40 are configured by connecting a distance piece 50 which is in close contact with each other for axial positioning. The taper roller bearing 40 has the same configuration as that of the conventional longitudinal reduction gear device. .

특히, 본 발명의 타퍼 롤러 베어링(40)은 차량구동시 예압으로 링기어(20)를 외측으로 밀어내어 구동 피니언(30)과 타퍼 롤러 베어링(40)과의 치합이 어긋나는 것을 막기 위해 예압을 보정하기 위해 열팽창계수가 큰 알루미늄재질의 스페이서(60)를 연결구성하는 것이다.In particular, the taper roller bearing 40 of the present invention corrects the preload in order to prevent misalignment between the drive pinion 30 and the tarper roller bearing 40 by pushing the ring gear 20 outward with a preload during vehicle driving. In order to connect the spacer 60 made of aluminum having a high coefficient of thermal expansion.

이와 같이 구성된 본 발명의 작용효과를 상세히 설명하면 다음과 같다.Referring to the effects of the present invention configured as described above in detail.

본 발명은 도 3 또는 도 4에서 보는 바와 같이 주행중에 과다한 하중에 의해 종감속기어내부의 마모와 소음을 제거하기 위해 예압을 보정할 수 있도록 하는 것으로서,차량 전면에 동력을 발생하는 엔진장치의 동력발생을 뒤차축(10)에서 전달받아 외부면에 있는 링기어(20),구동 피니언(30)로 전달하게 된다.According to the present invention, as shown in FIG. 3 or 4, the preload can be corrected to remove wear and noise inside the longitudinal reduction gear by an excessive load while driving, and the power of the engine device generating power in the front of the vehicle. The generation is transmitted from the rear axle 10 to the ring gear 20, the drive pinion 30 on the outer surface.

상기한 구동 피니언(30)은 원할하게 회전할 수 있도록 하기 위해 외부면 상하에 각각 맞물리게 타퍼 롤러 베어링(40)을 끼워 회전하게 되는 데 차량 주행시 통상 디퍼런스오일의 온도가 약 130℃이상 상승하여 열을 급격하게 팽창하여 압력을 증대시키는 것이다.The drive pinion 30 rotates by inserting the tarper roller bearings 40 to be engaged with each other above and below the outer surface in order to smoothly rotate. The temperature of the differential oil rises by about 130 ° C. or more when the vehicle is driven. To expand the pressure rapidly.

여기서 열팽창에 의한 압력은 베어링의 강성을 증대시키거나 또는 틈새를 없애기 위한 것으로 이 열팽창은 구동 피니언(30)을 좌측으로 밀러내어 링기어(20)를 끌어당기게 된다.In this case, the pressure due to thermal expansion is to increase the rigidity of the bearing or to eliminate the gap, and the thermal expansion pushes the driving pinion 30 to the left to attract the ring gear 20.

상기한 구동 피니언(30)은 열팽창의 압력에 의해 타퍼 롤러 베어링(40)과의 치합의 일치시키기 위해 열팽창게수가 큰 알류미늄의 재질인 스페이서(60)를 구동 피니언(30)에 접하는 링기어(20)간에 삽입하게 된다.The drive pinion 30 is a ring gear 20 that contacts the drive pinion 30 with a spacer 60, which is made of aluminum, having a large thermal expansion coefficient, in order to match the tarp roller bearing 40 by the pressure of thermal expansion. Will be inserted in between.

이 스페이서(60)는 열팽창으로부터 구동 피니언(30)이 예압을 저감시켜 타퍼 롤러 베어링(40)과의 치합이 일치하도록 하여 원활한 회전력을 유지하며 예압을 보정하는 것이다.The spacer 60 reduces the preload from the thermal expansion so that the engagement of the drive pinion 30 with the taper roller bearing 40 coincides, thereby maintaining smooth rotational force and correcting the preload.

이와 같이 작용하는 본 발명은 예압을 보정할 수 있도록 열팽계수가 큰 알누미늄재질의 스페이서를 링기어와 구동 피니언간에 삽입고정시킴으로서 구동 피니언의 외주면이 타퍼 롤러 베어링의 내면과 일치하여 정상적인 마모가 이루어져 구동 피니언의 스러스트이동으로 타퍼 롤러 베어링과의 치합불일치에 의한 치면의 마모와 마모소음을 제거하는 효과를 제공하는 것이다.In this way, the present invention works by inserting and fixing an aluminum spacer having a high coefficient of thermal expansion between the ring gear and the driving pinion so as to correct the preload. The thrust movement of the pinion provides the effect of eliminating tooth wear and abrasion noise caused by mismatches with the taper roller bearings.

Claims (1)

뒤차축(10)에 동력을 전달하여 감속으로 토크를 증대시키는 링기어(20)에 스페이서(60)를 끼워접촉하면서 회전하는 구동 피니언(30)과,상기한 구동 피니언(30)의 회전에 연동하도록 복수개로 배치한 타퍼 롤러 베어링(40)을 갖는 종감속기어장치에 있어서, 상기한 타퍼 롤러 베어링(40)이 예압에 의해 정상마모가 이루어지도록 예압을 보정하는 열팽창계수가 큰 알루미늄재질의 스페이서(60)를 연결함을 특징으로 하는 차량의 종감속기어의 예압보정 제어장치.The drive pinion 30 which rotates while contacting the spacer 60 to the ring gear 20 which transmits power to the rear axle 10 to increase torque by deceleration, and interlocks with the rotation of the drive pinion 30 described above. In the longitudinal reduction gear device having a plurality of taper roller bearings (40) arranged so as to be plural, a spacer made of an aluminum material having a large coefficient of thermal expansion for correcting the preload so that the above-mentioned taper roller bearing (40) is normally worn by preload ( 60. Preload compensation control device for the longitudinal reduction gear of the vehicle, characterized in that for connecting.
KR1019970007530A 1997-03-07 1997-03-07 Device for controlling preload of final reduction gear for vehicle KR100342223B1 (en)

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KR1019970007530A KR100342223B1 (en) 1997-03-07 1997-03-07 Device for controlling preload of final reduction gear for vehicle

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Application Number Priority Date Filing Date Title
KR1019970007530A KR100342223B1 (en) 1997-03-07 1997-03-07 Device for controlling preload of final reduction gear for vehicle

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KR100342223B1 true KR100342223B1 (en) 2002-09-18

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017155248A1 (en) 2016-03-11 2017-09-14 주식회사 상화 Virtual reality experience device
KR20170106162A (en) 2016-03-11 2017-09-20 주식회사 상화 Virtual reality experience apparatus
KR20180064850A (en) 2016-12-06 2018-06-15 주식회사 상화 Experience apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940004237A (en) * 1992-08-21 1994-03-14 제임스 알. 게리티 Differential device with preload means and partial spacer means
JPH06323329A (en) * 1993-05-13 1994-11-25 Utsunomiya Kiki Kk Drive pinion shaft supporting device for vehicular final reduction gear
KR19980025931U (en) * 1996-11-06 1998-08-05 박병재 Differential gear set

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940004237A (en) * 1992-08-21 1994-03-14 제임스 알. 게리티 Differential device with preload means and partial spacer means
JPH06323329A (en) * 1993-05-13 1994-11-25 Utsunomiya Kiki Kk Drive pinion shaft supporting device for vehicular final reduction gear
KR19980025931U (en) * 1996-11-06 1998-08-05 박병재 Differential gear set

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017155248A1 (en) 2016-03-11 2017-09-14 주식회사 상화 Virtual reality experience device
KR20170106162A (en) 2016-03-11 2017-09-20 주식회사 상화 Virtual reality experience apparatus
KR20170106164A (en) 2016-03-11 2017-09-20 주식회사 상화 Virtual reality experience apparatus
KR20180061117A (en) 2016-03-11 2018-06-07 주식회사 상화 Virtual reality experience apparatus
KR20180063002A (en) 2016-03-11 2018-06-11 주식회사 상화 Virtual reality experience apparatus
KR20180064850A (en) 2016-12-06 2018-06-15 주식회사 상화 Experience apparatus

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