JPS6237249B2 - - Google Patents
Info
- Publication number
- JPS6237249B2 JPS6237249B2 JP54079151A JP7915179A JPS6237249B2 JP S6237249 B2 JPS6237249 B2 JP S6237249B2 JP 54079151 A JP54079151 A JP 54079151A JP 7915179 A JP7915179 A JP 7915179A JP S6237249 B2 JPS6237249 B2 JP S6237249B2
- Authority
- JP
- Japan
- Prior art keywords
- outer ring
- ring member
- housing
- roller bearing
- cylindrical roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
- F16C27/045—Ball or roller bearings, e.g. with resilient rolling bodies with a fluid film, e.g. squeeze film damping
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Support Of The Bearing (AREA)
Description
【発明の詳細な説明】
この発明は内輪の微少量の傾きに対して外輪が
内輪に追従して内輪と同方向に微少量傾き、ころ
にスキユーが発生することを防止して円筒ころ軸
受を長寿命とする円筒ころ軸受の取り付け装置に
関する。Detailed Description of the Invention This invention prevents the outer ring from following the inner ring and tilting slightly in the same direction as the inner ring in response to a small amount of inclination of the inner ring, thereby preventing roller skew from occurring. This invention relates to a mounting device for a cylindrical roller bearing that has a long life.
従来の円筒ころ軸受の取り付け装置は第１図に
示すように内輪１を軸２に嵌合して固定し、外輪
３をハウジング４に圧入すると共に外輪の一方の
側面５をハウジング４に当接し、ハウジング４に
固定した押え板６を外輪の他方の側面７に当接し
て外輪３をハウジング４に固定していた。 As shown in FIG. 1, a conventional cylindrical roller bearing mounting device involves fitting and fixing an inner ring 1 onto a shaft 2, press-fitting an outer ring 3 into a housing 4, and abutting one side surface 5 of the outer ring against the housing 4. The outer ring 3 was fixed to the housing 4 by abutting the other side surface 7 of the outer ring with a presser plate 6 fixed to the housing 4.
しかしこのような円筒ころ軸受の取り付け装置
は、内輪１が外輪３に対して微少量傾いた状態で
取り付けられた円筒ころ軸受の回転中に内輪１が
外輪３に対して微少量傾いたりすると、第２図に
示すようにころ８にスキユーが発生してころ端面
９がつばのエツジ１０と接触し、ころ端面９とつ
ばのエツジ１０とに摩耗が生じて円筒ころ軸受の
寿命を著しく阻害していた。このような現象はジ
エツトエンジン等に使用される高速円筒ころ軸受
で生じやすい。 However, such a mounting device for a cylindrical roller bearing has a problem in that if the inner ring 1 tilts slightly with respect to the outer ring 3 during rotation of the cylindrical roller bearing installed with the inner ring 1 slightly tilted with respect to the outer ring 3, As shown in Fig. 2, skew occurs in the rollers 8, and the roller end faces 9 come into contact with the collar edges 10, causing wear between the roller end faces 9 and the collar edges 10, which significantly shortens the life of the cylindrical roller bearing. was. Such a phenomenon is likely to occur in high-speed cylindrical roller bearings used in jet engines and the like.
この発明は内輪の微少量の傾きに対して外輪が
内輪に追従して内輪と同方向に微少量傾き、ころ
にスキユーが発生することを防止して円筒ころ軸
受を長寿命とする円筒ころ軸受の取り付け装置を
提供することを目的とする。 This invention is a cylindrical roller bearing that prolongs the life of the cylindrical roller bearing by preventing the outer ring from following the inner ring and tilting a small amount in the same direction as the inner ring, thereby preventing roller skew from occurring. The purpose is to provide a mounting device for.
次にこの発明の実施例を図面に基いて説明す
る。第３図に示す第一の実施例において、円筒こ
ろ軸受の内輪２０は軸２１に嵌合して固定され、
この円筒ころ軸受の外輪部材２２は外輪２２ａの
みからなつている。前記外輪部材の一方の側面２
３と外輪部材の一方の側面に対向するハウジング
の面２４との間には間隙が設けられ、この外輪部
材の一方の側面に対向するハウジングの面２４に
は周みぞ２５が設けられている。前記周みぞ２５
にはゴム製のＯリング２６が配設され、このゴム
製のＯリング２６は外輪部材の一方の側面２３に
当接している。前記外輪部材の他方の側面２８は
ハウジング２９に固定した押え板３０と対向して
おり、この外輪部材の他方の側面２８と外輪部材
の他方の側面に対向する押え板の面３１との間は
間隙が設けられている。前記外輪部材の他方の側
面に対向する押え板の面３１には周みぞ３２が設
けられ、この周みぞ３２には外輪部材の他方の側
面２８に当接するゴム製のＯリング３３が配設さ
れている。従つて外輪部材の両側面２３，２８は
いずれもハウジング２９に弾性支持されている。
前記外輪部材の外径面３４とハウジング２９との
間にはすきま３５が設けられ、このすきま３５に
流体を供給するようにハウジング２９には流通路
３６が設けられている。前記流通路３６よりすき
ま３５に油を供給してすきま３５に油膜ダンパを
形成し、外輪部材の外径面３４をダンパ支持して
いる。前記外輪部材の両側面２３，２８はハウジ
ング２９に弾性支持されていると共に外輪部材の
外径面３４とハウジング２９との間にはすきま３
５が設けられているので、内輪２０が外輪２２ａ
に対して微少量傾いた状態で取り付けられたり円
筒ころ軸受の回転中に内輪２０が外輪２２ａに対
して微少量傾いたりしても、外輪２２ａは内輪２
０に追従して内輪２０と同方向に微少量傾くので
ころ３７にスキユーが発生せず、ころ端面３８と
つばのエツジ３９との接触は軽微なので摩耗が少
く、円筒ころ軸受は長寿命になる。 Next, embodiments of the present invention will be described based on the drawings. In the first embodiment shown in FIG. 3, the inner ring 20 of the cylindrical roller bearing is fitted onto and fixed to the shaft 21,
The outer ring member 22 of this cylindrical roller bearing consists of only an outer ring 22a. One side surface 2 of the outer ring member
3 and a surface 24 of the housing facing one side of the outer ring member, a gap is provided, and a circumferential groove 25 is provided in the surface 24 of the housing facing one side of the outer ring member. Said circumferential groove 25
A rubber O-ring 26 is disposed therein, and this rubber O-ring 26 is in contact with one side surface 23 of the outer ring member. The other side surface 28 of the outer ring member faces a presser plate 30 fixed to the housing 29, and there is a gap between the other side surface 28 of the outer ring member and a surface 31 of the presser plate that faces the other side surface of the outer ring member. A gap is provided. A circumferential groove 32 is provided in the surface 31 of the presser plate facing the other side surface of the outer ring member, and a rubber O-ring 33 that comes into contact with the other side surface 28 of the outer ring member is disposed in the circumferential groove 32. ing. Therefore, both side surfaces 23 and 28 of the outer ring member are elastically supported by the housing 29.
A gap 35 is provided between the outer diameter surface 34 of the outer ring member and the housing 29, and a flow path 36 is provided in the housing 29 so as to supply fluid to this gap 35. Oil is supplied to the gap 35 from the flow path 36 to form an oil film damper in the gap 35, and the outer diameter surface 34 of the outer ring member is supported by the damper. Both side surfaces 23 and 28 of the outer ring member are elastically supported by the housing 29, and there is a gap 3 between the outer diameter surface 34 of the outer ring member and the housing 29.
5, the inner ring 20 is the outer ring 22a.
Even if the inner ring 20 is installed slightly tilted relative to the outer ring 22a, or even if the inner ring 20 is slightly tilted relative to the outer ring 22a during rotation of the cylindrical roller bearing, the outer ring 22a will be tilted slightly against the inner ring 2.
Since the rollers 37 are slightly tilted in the same direction as the inner ring 20 following zero, no skew occurs in the rollers 37, and the contact between the roller end face 38 and the edge 39 of the collar is slight, so there is less wear and the cylindrical roller bearing has a long life. .
第４図は第二の実施例であつてゴム製のＯリン
グを金属製の弾性チユーブに変更すると共に外輪
部材の外径面とハウジングとの間を単なるすきま
とした第一の実施例の変形であるが、外輪部材の
両側面２３，２８はゴム製のＯリングではなく金
属製の弾性チユーブ４０，４１と当接している。
またハウジング２９には流通路が設けていらず、
外輪部材の外径面３４とハウジング２９との間は
単なるすきま３５となつている。 Figure 4 shows the second embodiment, which is a modification of the first embodiment in which the rubber O-ring is replaced with a metal elastic tube and there is a mere gap between the outer diameter surface of the outer ring member and the housing. However, both side surfaces 23 and 28 of the outer ring member are in contact with metal elastic tubes 40 and 41 rather than rubber O-rings.
Further, the housing 29 is not provided with a flow path,
There is a mere gap 35 between the outer diameter surface 34 of the outer ring member and the housing 29.
第５図は第三の実施例であつて外輪部材の他方
の側面を弾性支持すると共に外輪部材の外径面を
弾性支持した第二の実施例の変形であるが、外輪
部材の一方の側面２３はハウジング２９に当接
し、外輪部材の他方の側面２８は弾性係数の低い
材料たとえばプラスチツクまたは軽合金からなつ
ている弾性をもつた押え板４２に当接している。
前記押え板４２はハウジング２９に固定されてお
り、外輪部材の他方の側面２８はハウジング２９
に弾性支持されている。また外輪部材の外径面３
４に対向するハウジングの面４３には内周みぞ４
４，４５が二ケ所に設けられ、これらの内周ぞ４
４，４５にゴム製のラジアル方向用Ｏリング４
６，４７がそれぞれ配設されている。前記二個の
ラジアル方向用Ｏリング４６，４７は外輪部材の
外径面３４にそれぞれ当接していると共に外輪部
材の外径面３４とハウジング２９との間にはすき
ま３５が設けられているので、外輪部材の外径面
３４はハウジング２９に弾性支持されている。 FIG. 5 shows a third embodiment, which is a modification of the second embodiment in which the other side of the outer ring member is elastically supported and the outer diameter surface of the outer ring member is elastically supported, but one side of the outer ring member is elastically supported. 23 rests on a housing 29, and the other side 28 of the outer ring member rests on an elastic retaining plate 42 made of a material with a low elastic modulus, for example plastic or a light alloy.
The holding plate 42 is fixed to the housing 29, and the other side surface 28 of the outer ring member is fixed to the housing 29.
It is elastically supported. Also, the outer diameter surface 3 of the outer ring member
An inner peripheral groove 4 is formed on the surface 43 of the housing opposite to 4.
4 and 45 are provided in two places, and these inner periphery 4
4 and 45 are rubber O-rings for radial direction 4
6 and 47, respectively. The two radial O-rings 46 and 47 are in contact with the outer diameter surface 34 of the outer ring member, and a gap 35 is provided between the outer diameter surface 34 of the outer ring member and the housing 29. , the outer diameter surface 34 of the outer ring member is elastically supported by the housing 29.
第６図は第四の実施例であつて外輪部材の他方
の側面を弾性支持すると共に外輪部材の外径面を
ダンパ支持した第三の実施例の変形であるが、外
輪部材の他方の側面２８をハウジング２９に固定
した金属性のバネ４８に当接している。また二個
のラジアル方向用Ｏリング４６，４７のすきま３
５に流体を供給する流通路３６がハウジング２９
に設けられ、この流通路３６から圧力空気をすき
ま３５に供給して外輪部材の外径面３４をダンパ
支持している。 FIG. 6 shows a fourth embodiment, which is a modification of the third embodiment in which the other side surface of the outer ring member is elastically supported and the outer diameter surface of the outer ring member is supported by a damper. 28 is in contact with a metal spring 48 fixed to the housing 29. Also, the gap between the two radial direction O-rings 46 and 47 is 3.
A flow path 36 for supplying fluid to the housing 29
The damper supports the outer diameter surface 34 of the outer ring member by supplying pressurized air from the flow path 36 to the gap 35.
第７図は第五の実施例であつて外輪部材を外輪
と外輪の外径面に圧入したスリーブとで構成した
第一の実施例の変形であるが、外輪部材２２は外
輪２２ａと外輪の外径面２２ｂに圧入したスリー
ブ２２ｃとから構成されている。前記外輪部材の
外径面３４には外周みぞ４８，４９が二ケ所に設
けられ、これらの外周みぞ４８，４９にゴム製の
ラジアル方向用Ｏリング４６，４７がそれぞれ配
設されている。前記二個のラジアル方向用Ｏリン
グ４６，４７のすきま３５に流通路３６より油を
供給して外輪部材の外径面３４をダンパ支持して
いる。 FIG. 7 shows a fifth embodiment, which is a modification of the first embodiment in which the outer ring member is composed of an outer ring and a sleeve press-fitted into the outer diameter surface of the outer ring. The sleeve 22c is press-fitted into the outer diameter surface 22b. Outer circumferential grooves 48 and 49 are provided at two locations on the outer diameter surface 34 of the outer ring member, and rubber O-rings 46 and 47 for the radial direction are disposed in these outer circumferential grooves 48 and 49, respectively. Oil is supplied from the flow path 36 to the gap 35 between the two radial O-rings 46 and 47 to support the outer diameter surface 34 of the outer ring member as a damper.
なお、図示の実施例では外輪部材の他方の側面
２８を弾性を有する材料３３，４１，４２，４８
に当接することによつて外輪部材の他方の側面２
８はハウジング２９に弾性支持されているが、外
輪部材の少くとも一方の側面２８は他のいかなる
方法によつてハウジング２９に弾性支持されても
良い。 In the illustrated embodiment, the other side surface 28 of the outer ring member is made of elastic material 33, 41, 42, 48.
The other side surface 2 of the outer ring member by contacting with
8 is elastically supported by the housing 29, but at least one side surface 28 of the outer ring member may be elastically supported by the housing 29 by any other method.
この発明の円筒ころ軸受の取り付け装置による
と、円筒ころ軸受の外輪部材の少くとも一方の側
面はハウジングに弾性支持され、前記外輪部材の
外径面とハウジングとの間にはすきまが設けられ
ているので、内輪が外輪に対して微少量傾いた状
態で取り付けられたり円筒ころ軸受の回転中に内
輪が外輪に対して微少量傾いたりしても、外輪は
内輪に追従して内輪と同方向に微少量傾くのでこ
ろにスキユーが発生せず、ころ端面とつばのエツ
ジとの接触は軽微なので摩耗が少く、円筒ころ軸
受は長寿命になるという効果を有する。 According to the cylindrical roller bearing mounting device of the present invention, at least one side surface of the outer ring member of the cylindrical roller bearing is elastically supported by the housing, and a gap is provided between the outer diameter surface of the outer ring member and the housing. Therefore, even if the inner ring is installed with a slight inclination to the outer ring, or if the inner ring is slightly inclined to the outer ring while the cylindrical roller bearing is rotating, the outer ring will follow the inner ring and remain in the same direction as the inner ring. Since the rollers are slightly tilted, no skew occurs on the rollers, and the contact between the roller end faces and the edges of the ribs is slight, resulting in less wear and a long life for the cylindrical roller bearing.
第１図は従来の円筒ころ軸受の取り付け装置の
断面図、第２図はころにスキユーが発生したとき
の状態を示す説明図、第３図ないし第７図はそれ
ぞれこの発明の実施例を示す円筒ころ軸受の取り
付け装置の断面図である。
図中、２０は内輪、２１は軸、２２ａは外輪、
２８は外輪部材の他方の側面、２９はハウジン
グ、３４は外輪部材の外径面、３５はすきまであ
る。
Fig. 1 is a sectional view of a conventional cylindrical roller bearing mounting device, Fig. 2 is an explanatory diagram showing the state when skew occurs in the rollers, and Figs. 3 to 7 each show an embodiment of the present invention. FIG. 3 is a cross-sectional view of a cylindrical roller bearing mounting device. In the figure, 20 is an inner ring, 21 is a shaft, 22a is an outer ring,
28 is the other side surface of the outer ring member, 29 is a housing, 34 is an outer diameter surface of the outer ring member, and 35 is a clearance.
Claims (1)
固定され、前記円筒ころ軸受の外輪部材の少くと
も一方の側面２８はハウジング２９に弾性支持さ
れ、前記外輪部材の外径面３４とハウジング２９
との間にはすきま３５が設けられ、前記内輪２０
の微少量の傾きに対して外輪２２ａが内輪２０に
追従して内輪２０と同方向に微少量傾くことを特
徴とする円筒ころ軸受の取り付け装置。1. The inner ring 20 of the cylindrical roller bearing is fitted onto and fixed to the shaft 21, and at least one side surface 28 of the outer ring member of the cylindrical roller bearing is elastically supported by the housing 29, and the outer diameter surface 34 of the outer ring member and the housing 29
A clearance 35 is provided between the inner ring 20 and the inner ring 20.
A mounting device for a cylindrical roller bearing, characterized in that the outer ring 22a follows the inner ring 20 and tilts a small amount in the same direction as the inner ring 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7915179A JPS563319A (en) | 1979-06-25 | 1979-06-25 | Attaching device for cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7915179A JPS563319A (en) | 1979-06-25 | 1979-06-25 | Attaching device for cylindrical roller bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS563319A JPS563319A (en) | 1981-01-14 |
| JPS6237249B2 true JPS6237249B2 (en) | 1987-08-11 |
Family
ID=13681951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7915179A Granted JPS563319A (en) | 1979-06-25 | 1979-06-25 | Attaching device for cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS563319A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001050291A (en) * | 1999-07-28 | 2001-02-23 | Skf Gmbh | Method of fixing bearing in bearing case, and bearing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2219359B (en) * | 1988-05-30 | 1992-11-04 | Ntn Toyo Bearing Co Ltd | Roller elements for machine parts such as roller bearings. |
-
1979
- 1979-06-25 JP JP7915179A patent/JPS563319A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001050291A (en) * | 1999-07-28 | 2001-02-23 | Skf Gmbh | Method of fixing bearing in bearing case, and bearing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS563319A (en) | 1981-01-14 |
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