KR20030004478A - mounting structure of differential bearing for differential gear - Google Patents
mounting structure of differential bearing for differential gear Download PDFInfo
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- KR20030004478A KR20030004478A KR1020010039975A KR20010039975A KR20030004478A KR 20030004478 A KR20030004478 A KR 20030004478A KR 1020010039975 A KR1020010039975 A KR 1020010039975A KR 20010039975 A KR20010039975 A KR 20010039975A KR 20030004478 A KR20030004478 A KR 20030004478A
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- differential
- carrier
- bearing
- cover
- bearings
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Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/42—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion with gears having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/42—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon
- F16H2048/423—Constructional details characterised by features of the input shafts, e.g. mounting of drive gears thereon characterised by bearing arrangement
Abstract
Description
본 발명은 차동기어장치용 디퍼렌셜베어링의 설치구조에 관한 것으로, 특히 디퍼렌셜베어링이 캐리어커버에 의해 지지되면서 설치되어 작업자의 조립공수를 절감시키고 아울러 제조원가를 절감시킬 수 있도록 된 차동기어장치용 디퍼렌셜베어링의 설치구조에 관한 것이다.The present invention relates to an installation structure of a differential bearing for a differential gear device. In particular, the differential bearing for the differential gear device is installed while the differential bearing is supported by the carrier cover to reduce the assembly labor of the operator and reduce the manufacturing cost. It relates to the installation structure.
일반적으로, 차동기어장치는 종감속기어(final gear)와 일체로 되어 액슬하우징(axle housing)에 설치된 것으로서, 차량의 좌우측 바퀴의 회전수 변화를 가능케 하여 울퉁불퉁한 도로를 주행할 때나 또는 선회주행을 할때에 무리없이 주행이 가능하도록 하는 장치이다.In general, the differential gear device is installed in the axle housing, which is integral with the final gear, and allows the rotation of the left and right wheels of the vehicle to be changed when driving on uneven roads or turning. It is a device that makes it possible to drive without difficulty.
이와 같은, 차동기어장치는 외관상 도 1과 도 2에 도시된 바와 같이 디퍼렌셜캐리어(1)와, 이 디퍼렌셜캐리어(1)의 일측에 다수개의 캐리어고정볼트(2a)를 매개로 나사결합되는 캐리어커버(2)로 구성되어 있으며, 상기 디퍼렌셜캐리어(1)의 내부에는 디퍼렌셜케이스(6)와 디퍼렌셜피니언샤프트(7)와 디퍼렌셜피니언(8) 및 디퍼렌셜사이드기어(9)등이 서로 치합(이맞물림)되어 설치되어 있는 구조로 되어 있다.As described above, the differential gear device is a carrier cover which is screwed through a differential carrier 1 and a plurality of carrier fixing bolts 2a on one side of the differential carrier 1 as shown in FIGS. 1 and 2. (2), and the differential case 6, the differential pinion shaft 7, the differential pinion 8, the differential side gear 9 and the like are engaged with each other inside the differential carrier 1; The structure is installed.
즉, 구동륜(도시않됨)에 연결되는 드라이브샤프트(3)의 회전축 중심 주위에는 드라이브피니언(4)에 이맞물림(치합)된 링기어(5)에 의해 디퍼렌셜케이스(6)가 회전가능하도록 설치되어 있고, 상기 디퍼렌셜케이스(6)에는 디퍼렌셜피니언샤프트(7)가 핀결합으로 설치되어 있으며, 상기 디퍼렌셜피니언샤프트(7)의 양단에는 한 쌍의 디퍼렌셜피니언(8)이 베어링 결합에 의해 설치되어 있다.That is, the differential case 6 is rotatably installed by the ring gear 5 which is engaged (matched) to the drive pinion 4 around the center of the rotation shaft of the drive shaft 3 connected to the drive wheel (not shown). The differential case 6 is provided with a differential pinion shaft 7 in a pin coupling, and a pair of differential pinions 8 are provided at both ends of the differential pinion shaft 7 with a bearing coupling.
또한, 상기 디퍼렌셜피니언(8)의 측부에는 한 쌍의 베벨기어인 디퍼렌셜사이드기어(9)가 디퍼렌셜피니언(8)에 의해 회전가능하도록 설치되어 있고, 상기 디퍼렌셜사이드기어(9)에는 한 쌍의 드라이브샤프트(3)가 각각 스플라인 끼워맞춤되어 설치되는 구조로 되어 있다.In addition, a differential side gear 9, which is a pair of bevel gears, is rotatably installed at the side of the differential pinion 8 by a differential pinion 8, and the differential side gear 9 has a pair of drives. The shaft 3 has a structure in which spline-fitting is provided, respectively.
한편, 상기 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)사이에는 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)를 회동가능하게 결합시키는 한 쌍의 디퍼렌셜베어링(11,12)이 설치되어 있으며, 이 디퍼렌셜베어링(11,12)은 각각의 베어링커버(13,14)에 의해 덮여지면서 이 베어링커버(13,14)를 관통하여 디퍼렌셜케이스(6)에 나사결합되는 복수개의 베어링커버볼트(13a,14a)에 의해 위치가 고정되도록 설치되는 구조로 되어 있다.On the other hand, between the differential carrier 1 and the differential case 6, a pair of differential bearings 11 and 12 for rotatably coupling the differential carrier 1 and the differential case 6 are provided. The bearings 11 and 12 are covered by the respective bearing covers 13 and 14, and the plurality of bearing cover bolts 13a and 14a which are screwed into the differential case 6 through the bearing covers 13 and 14. It is structured so that a position is fixed by it.
이와 같이 구성된 차동기어장치는, 상기 드라이브피니언(4)을 거쳐서 입력된 엔진의 출력은 링기어(5)를 회전시키고, 상기 링기어(5)에 일체로 볼팅 결합된 디퍼렌셜케이스(6)가 회전하게 됨에 따라 상기 디퍼렌셜케이스(6)에 핀결합된 디퍼렌셜피니언샤프트(7)가 회전하게 된다.In the differential gear device configured as described above, the output of the engine input through the drive pinion 4 rotates the ring gear 5, and the differential case 6, which is integrally bolted to the ring gear 5, rotates. As the pin is coupled to the differential pinion shaft (7) is rotated.
이때, 상기 디퍼렌셜피니언샤프트(7)에 베어링 결합된 한 쌍의 디퍼렌셜피니언(8)이 각각 회전하게 되고, 이로 인해 상기 디퍼렌셜피니언(8)에 각각 이맞물림된 한 쌍의 디퍼렌셜사이드기어(9)가 회전하면서 상기 디퍼렌셜사이드기어(9)에 스플라인 결합된 좌우의 드라이브샤프트(3)로 구동력을 분배시키게 된다.At this time, the pair of differential pinions 8 bearing-coupled to the differential pinion shaft 7 are rotated, so that the pair of differential side gears 9 meshed with the differential pinions 8 are respectively rotated. While rotating, the driving force is distributed to the left and right drive shafts 3 splined to the differential side gears 9.
그러나, 상기와 같은 종래의 차동기어장치에 의하면, 상기 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)사이에는 설치되는 한 쌍의 디퍼렌셜베어링(11,12)은 전술한 바와 같이 각각의 베어링커버(13,14) 및 복수개의 베어링커버볼트(13a,14a)에 의해 디퍼렌셜케이스(6)에 나사결합되어 설치되는데, 상기 디퍼렌셜베어링(11,12)이 이와 같은 구조로 설치되면 상기 디퍼렌셜케이스(6)와의 결합력은 증대되게 되나, 상기 베어링커버(13,14)를 결합시키기 위한 작업자의 작업공수가 증가하면서 생산성이 그만큼 감소되는 문제점이 있을 뿐만 아니라, 상기 베어링커버(13,14) 및 복수개의 베어링커버볼트(13a,14a)에 의해 차동기어장치의 전체적인 중량이 증가하게 되는 문제점도 있었다.However, according to the conventional differential gear device as described above, the pair of differential bearings 11 and 12 installed between the differential carrier 1 and the differential case 6 have respective bearing covers 13 as described above. 14 and the plurality of bearing cover bolts 13a and 14a are screwed and installed in the differential case 6. When the differential bearings 11 and 12 are installed in such a structure, the differential case 6 and the differential case 6 are connected to the differential case 6. Coupling force is increased, but the productivity is reduced by the increase of the labor of the operator for coupling the bearing cover (13,14), as well as the bearing cover (13,14) and a plurality of bearing cover bolts There is also a problem that the overall weight of the differential gear device is increased by 13a and 14a.
이에 본 발명은 상기한 같은 문제점을 해소하기 위해 안출된 것으로, 디퍼렌셜캐리어에 캐리어커버를 결합시킬 때 디퍼렌셜베어링이 동시에 설치되게 함으로써, 상기 디퍼렌셜베어링의 설치시 작업자의 편의성 및 작업공수를 단축시켜 생산성을 증가시킬 수 있도록 된 차동기어장치용 디퍼렌셜베어링의 설치구조를 제공함에 그 목적이 있다.Accordingly, the present invention has been made in order to solve the above problems, the differential bearing is installed at the same time when the carrier cover is coupled to the differential carrier, thereby reducing the productivity and convenience of the operator when installing the differential bearing It is an object of the present invention to provide an installation structure of differential bearings for differential gear devices that can be increased.
또한, 상기 디퍼렌셜베어링이 설치시 베어링커버 및 복수개의 베어링커버볼트를 사용하지 않게 됨으로써 차동기어장치의 전체적인 중량을 감소시키고 아울러 제조비용도 절감시킬 수 있도록 된 차동기어장치용 디퍼렌셜베어링의 설치구조를 제공함에 그 목적이 있다.In addition, since the differential bearing does not use a bearing cover and a plurality of bearing cover bolts when installed, it provides an installation structure of the differential bearing for differential gear device that can reduce the overall weight of the differential gear device and also reduce the manufacturing cost. Has its purpose.
상기와 같은 목적을 달성하기 위한 본 발명의 설치구조는, 디퍼렌셜캐리어와 디퍼렌셜케이스사이에 설치되는 한 쌍의 디퍼렌셜베어링이 캐리어커버가 디퍼렌셜캐리어에 조립될 때 상기 캐리어커버와 접촉되면서 디퍼렌셜케이스쪽으로 압착되어 설치되는 것을 특징으로 한다.The installation structure of the present invention for achieving the above object, the pair of differential bearings installed between the differential carrier and the differential case is pressed toward the differential case while contacting the carrier cover when the carrier cover is assembled to the differential carrier It is characterized by being installed.
도 1은 일반적으로 사용되는 차동기어장치의 외관을 도시한 사시도,1 is a perspective view showing the appearance of a differential gear apparatus generally used;
도 2는 도 1의 Ⅰ-Ⅰ선 부분단면도로서, 종래구조에 따른 디퍼렌셜베어링의 설치구조를 설명하기 위한 종단면도,FIG. 2 is a partial sectional view taken along the line I-I of FIG. 1, and is a longitudinal sectional view for explaining the installation structure of the differential bearing according to the conventional structure; FIG.
도 3은 도 1의 Ⅱ-Ⅱ선 부분단면도로서,3 is a partial cross-sectional view taken along the line II-II of FIG.
도 4는 본 발명에 따른 디퍼렌셜베어링의 설치구조를 설명하기 위한 종단면도이다.4 is a longitudinal sectional view for explaining the installation structure of the differential bearing according to the present invention.
< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>
1 - 디퍼렌셜캐리어 2 - 캐리어커버1-Different carrier 2-Carrier cover
6 - 디퍼렌셜케이스 11,12 - 디퍼렌셜베어링6-Differential Case 11,12-Differential Bearing
이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 4는 본 발명에 따른 디퍼렌셜베어링의 설치구조를 설명하기 위한 종단면도이다로서, 종래구조와 동일한 부위에는 동일한 참조부호를 붙이면서 설명하기로 한다.Figure 4 is a longitudinal sectional view for explaining the installation structure of the differential bearing according to the present invention, will be described with the same reference numerals to the same parts as the conventional structure.
본 발명에 따라 차동기어장치를 구성하는 디퍼렌셜베어링(11,12)는 도 4에 도시된 바와 같이 디퍼렌셜캐리어(1)에 캐리어커버(2)가 조립될 때 상기 캐리어커버(2)에 의해 디퍼렌셜케이스(6)쪽으로 압착되면서 설치되는 구조로 되어 있다.The differential bearings 11 and 12 constituting the differential gear device according to the present invention have a differential case by the carrier cover 2 when the carrier cover 2 is assembled to the differential carrier 1 as shown in FIG. 4. It is designed to be installed while being pressed toward (6).
즉, 상기 차동기어장치는 외관상 도 4에 도시된 바와 같이 디퍼렌셜캐리어(1)와, 이 디퍼렌셜캐리어(1)의 일측에 다수개의 캐리어고정볼트(2a)를 매개로 나사결합되는 캐리어커버(2)로 구성되어 있으며, 상기 디퍼렌셜캐리어(1)의 내부에는 구동륜(도시않됨)에 연결되는 드라이브샤프트(3)의 회전축 중심 주위에는 드라이브피니언(4)에 이맞물림(치합)된 링기어(5)에 의해 디퍼렌셜케이스(6)가 회전가능하도록 설치되어 있고, 상기 디퍼렌셜케이스(6)에는 디퍼렌셜피니언샤프트(7)가 핀결합으로 설치되어 있으며, 상기 디퍼렌셜피니언샤프트(7)의 양단에는 한 쌍의 디퍼렌셜피니언(8)이 베어링 결합에 의해 설치되어 있다.That is, the differential gear device, as shown in FIG. 4, has a differential carrier 1 and a carrier cover 2 which is screwed through a plurality of carrier fixing bolts 2a on one side of the differential carrier 1. The differential carrier 1 has a ring gear 5 which is engaged with the drive pinion 4 around the center of the rotation shaft of the drive shaft 3 connected to the drive wheels (not shown). The differential case 6 is rotatably installed, the differential case 6 is provided with a differential pinion shaft 7 by pin coupling, and a pair of differential pinions are provided at both ends of the differential pinion shaft 7. (8) is provided by bearing engagement.
또한, 상기 디퍼렌셜피니언(8)의 측부에는 한 쌍의 베벨기어인 디퍼렌셜사이드기어(9)가 디퍼렌셜피니언(8)에 의해 회전가능하도록 설치되어 있고, 상기 디퍼렌셜사이드기어(9)에는 한 쌍의 드라이브샤프트(3)가 각각 스플라인 끼워맞춤되어 설치되는 구조로 되어 있다.In addition, a differential side gear 9, which is a pair of bevel gears, is rotatably installed at the side of the differential pinion 8 by a differential pinion 8, and the differential side gear 9 has a pair of drives. The shaft 3 has a structure in which spline-fitting is provided, respectively.
한편, 상기 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)사이에는 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)를 회동가능하게 결합시키는 한 쌍의 디퍼렌셜베어링(11,12)이 설치되어 있는데, 이 디퍼렌셜베어링(11,12)은 본 발명에 따라 상기 캐리어커버(2)가 디퍼렌셜캐리어(1)에 캐리어고정볼트(2a)를 매개로 조립될 때 상기 캐리어커버(2)와 접촉을 이루면서 디퍼렌셜케이스(6)쪽으로 압착되어 설치되는 구조로 되어 있다.On the other hand, between the differential carrier 1 and the differential case 6, a pair of differential bearings 11 and 12 for rotatably coupling the differential carrier 1 and the differential case 6 are provided. The bearings 11 and 12 are in contact with the carrier cover 2 when the carrier cover 2 is assembled to the differential carrier 1 via the carrier fixing bolt 2a according to the present invention. It is structured to be pressed to the side.
즉, 상기 캐리어커버(2)가 디퍼렌셜캐리어(1)에 조립될 때 상기 디퍼렌셜베어링(11,12)과 동축상으로 연결되는 캐리어커버(2)의 소정부위에는 굴곡부(2b)가 형성되는데, 이 굴곡부(2b)는 상기 디퍼렌셜캐리어(1)의 내측을 향하도록 굴곡지게 형성되어 있으며, 이로 인해 상기 캐리어커버(2)가 디퍼렌셜캐리어(1)에 조립될 때 캐리어커버(2)에 형성된 굴곡부(2b)가 디퍼렌셜베어링(11,12)을 디퍼렌셜케이스(6)쪽으로 압착시킴으로써 상기 디퍼렌셜베어링(11,12)이 설치되게 되는 것이다.That is, when the carrier cover 2 is assembled to the differential carrier 1, a bent portion 2b is formed at a predetermined portion of the carrier cover 2 which is coaxially connected to the differential bearings 11 and 12. The bent part 2b is formed to be bent toward the inner side of the differential carrier 1, and thus the bent part 2b formed in the carrier cover 2 when the carrier cover 2 is assembled to the differential carrier 1. ) By pressing the differential bearings 11 and 12 toward the differential case 6 so that the differential bearings 11 and 12 are installed.
그리고, 상기 디퍼렌셜베어링(11,12)이 캐리어커버(2)에 의해 디퍼렌셜케이스(6)쪽으로 압착되면서 설치되게 되면 상기 디퍼렌셜베어링(11,12)의 마모현상이 발생될 수도 있으나, 상기 캐리어커버(2)가 다이캐스트(die casting) 주조법에 의해 알루미늄(Al)으로 제조되면 상기 디퍼렌셜베어링(11,12)의 마모를 방지할 수 있게 된다.In addition, when the differential bearings 11 and 12 are installed while being pressed toward the differential case 6 by the carrier cover 2, wear of the differential bearings 11 and 12 may occur, but the carrier cover ( When 2) is made of aluminum (Al) by die casting, it is possible to prevent wear of the differential bearings 11 and 12.
이와 같이, 상기 디퍼렌셜캐리어(1)와 디퍼렌셜케이스(6)사이에 설치된 한 쌍의 디퍼렌셜베어링(11,12)이 디퍼렌셜캐리어(1)로 캐리어커버(2)가 조립될 때 상기 캐리어커버(2)의 굴곡부(2b)에 의해 디퍼렌셜케이스(6)쪽으로 압착되면서 설치되게 되면, 상기 디퍼렌셜베어링(11,12)의 설치작업이 도 2를 참조로 전술한 종래의 설치작업보다 단축되게 되며, 이로 인해 작업자의 편의성이 향상되면서 생산성도 증가되게 된다.As such, when the pair of differential bearings 11 and 12 installed between the differential carrier 1 and the differential case 6 are assembled with the differential carrier 1, the carrier cover 2 is assembled. When it is installed while being pressed toward the differential case 6 by the bent portion (2b) of the installation, the installation work of the differential bearings (11, 12) is shorter than the conventional installation work described above with reference to Figure 2, thereby Productivity is also increased as the convenience of.
또한, 본 발명에 따라 캐리어커버(2)를 이용해 디퍼렌셜베어링(11,12)을 설치하게 되면 베어링커버 (13,14) 및 복수개의 베어링커버볼트(13a,14a)를 사용하지 않 됨으로써, 차동기어장치의 전체적인 중량이 감소되게 되고 아울러 제조비용도 절감시킬 수 있게 된다.In addition, when the differential bearings 11 and 12 are installed using the carrier cover 2 according to the present invention, the bearing cover 13 and 14 and the plurality of bearing cover bolts 13a and 14a are not used, thereby providing differential gears. The overall weight of the device is reduced and manufacturing costs are also reduced.
이상 설명한 바와 같이 본 발명에 의하면, 디퍼렌셜캐리어와 디퍼렌셜케이스사이에 설치된 한 쌍의 디퍼렌셜베어링이 캐리어커버의 조립시 함께 설치되어져, 상기 디퍼렌셜베어링의 설치작업이 단축되면서 작업자의 편의성 및 생산성이 향상되게 되고, 아울러 차동기어장치의 전체적인 중량이 감소되면서 제조비용도 절감되는 효과가 있게 된다.As described above, according to the present invention, a pair of differential bearings installed between the differential carrier and the differential case are installed together when assembling the carrier cover, thereby improving the convenience and productivity of the operator while reducing the installation work of the differential bearing. In addition, as the overall weight of the differential gear device is reduced, the manufacturing cost is also reduced.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0039975A KR100412830B1 (en) | 2001-07-05 | 2001-07-05 | mounting structure of differential bearing for differential gear |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0039975A KR100412830B1 (en) | 2001-07-05 | 2001-07-05 | mounting structure of differential bearing for differential gear |
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| Publication Number | Publication Date |
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| KR20030004478A true KR20030004478A (en) | 2003-01-15 |
| KR100412830B1 KR100412830B1 (en) | 2003-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA027536B1 (en) * | 2015-04-01 | 2017-08-31 | Публичное акционерное общество "КАМАЗ" | Main gear for independent suspension of a vehicle |
| CN110103023A (en) * | 2019-06-03 | 2019-08-09 | 安阳工学院 | A kind of the differential bearing mounting device and installation method of computer control |
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2001
- 2001-07-05 KR KR10-2001-0039975A patent/KR100412830B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA027536B1 (en) * | 2015-04-01 | 2017-08-31 | Публичное акционерное общество "КАМАЗ" | Main gear for independent suspension of a vehicle |
| CN110103023A (en) * | 2019-06-03 | 2019-08-09 | 安阳工学院 | A kind of the differential bearing mounting device and installation method of computer control |
Also Published As
| Publication number | Publication date |
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| KR100412830B1 (en) | 2003-12-31 |
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