JPH0632501Y2 - Non-separable angular contact ball bearing - Google Patents
Non-separable angular contact ball bearingInfo
- Publication number
- JPH0632501Y2 JPH0632501Y2 JP1987017802U JP1780287U JPH0632501Y2 JP H0632501 Y2 JPH0632501 Y2 JP H0632501Y2 JP 1987017802 U JP1987017802 U JP 1987017802U JP 1780287 U JP1780287 U JP 1780287U JP H0632501 Y2 JPH0632501 Y2 JP H0632501Y2
- Authority
- JP
- Japan
- Prior art keywords
- ball bearing
- outer rings
- balls
- angular contact
- ring
- 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 - Lifetime
Links
Description
【考案の詳細な説明】 「産業上の利用分野」 本考案は、建設機械のパワーシヨベルの走行用油圧減速
機などに使用される低速の非分離形アンギュラ玉軸受に
関するものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a low-speed non-separable angular contact ball bearing used in a traveling hydraulic speed reducer of a power shovel of a construction machine.
「従来の技術」 アンギュラ玉軸受は外輪を加熱し、熱膨張させて組立て
るので深みぞ玉軸受と同じ大きさの玉を数多く組込むこ
とができる。"Prior Art" Angular contact ball bearings are assembled by heating the outer ring and thermal expansion, so many balls of the same size as deep groove ball bearings can be incorporated.
例えば、第10図に示す如き内外輪1,2間に所定間隔
毎にポケツトが打抜き成形されたプレスわん形保持器
3、あるいは第11図に示す如き銅合金リングより工作
機械にてボール用ポケツトが穿孔されたもみ抜き保持器
31を介して複数の玉4が組込まれることもよく知られ
ている。For example, as shown in FIG. 10, a press cage retainer 3 in which pockets are punched at predetermined intervals between the inner and outer rings 1, 2 or a copper alloy ring as shown in FIG. It is also well known that a plurality of balls 4 are incorporated through a machined cage 31 having a hole.
また、第8図に示す如き、内外輪1,2に円周方向隙間
を玉径1ケ分以下に小さくすることにより保持器を使用
しない玉4のみの総玉入れアンギュラ玉軸受が知られて
いる。Further, as shown in FIG. 8, there is known an all-in-one angular contact ball bearing having only a ball 4 without using a cage by reducing the circumferential clearance between the inner and outer rings 1 and 2 to a ball diameter of 1 or less. There is.
これらアンギュラ玉軸受はラジアル荷重と一方向スラス
ト荷重を負荷することができる特徴を有する。These angular contact ball bearings have the feature of being able to apply radial loads and unidirectional thrust loads.
また、深みぞ玉軸受、旋回輪軸受などで間隔体を用いた
軸受が知られている。In addition, bearings using a spacer are known, such as deep groove ball bearings and slewing ring bearings.
該軸受は第9図に示すように、外輪2に玉4および間隔
体5を挿入する入れ穴21が形成され、該入れ穴21を
介して玉4および間隔体5が順次挿入された後、スロツ
トぶた6が嵌め込まれている。As shown in FIG. 9, the bearing is formed with an insertion hole 21 into which the balls 4 and the spacer 5 are inserted in the outer ring 2, and after the balls 4 and the spacer 5 are sequentially inserted through the insertion hole 21, The slot lid 6 is fitted.
「考案が解決しようとする問題点」 ところが、鋼板をプレスにてポケツト打抜き成形してな
る保持器を組込むため、量産に適しているが、金型など
を要するためコスト高になる。"Problems to be solved by the invention" However, it is suitable for mass production because it incorporates a cage formed by punching and punching a steel plate with a press, but it requires a metal mold and the like, which increases the cost.
また銅合金リングを工作機械、例えばボール盤たてポケ
ツトが1ケづつ穿孔するため、金型などを必要としない
が、量産に適せず、かつ高価な肉厚材料を使用するため
コスト高要因の1つになっている。In addition, since a copper alloy ring is machined, for example, by a drilling machine with one pocket each, no mold is required, but it is not suitable for mass production, and the use of an expensive thick material causes a high cost factor. It is one.
また、保持器を使用しない総玉入れアンギュラ玉軸受は
回転中の玉相互間のかじり作用が起き、好ましくない。Further, a full-ball-insertion angular contact ball bearing that does not use a retainer is not preferable because it causes a galling effect between the rotating balls.
また、外輪に入れ穴を形成し、該入れ穴を介して玉およ
び間隔体を順次挿入するようなことは構造並びに作業工
程上コスト高となる。Further, forming the insertion hole in the outer ring and sequentially inserting the balls and the spacers through the insertion hole increases the cost in terms of the structure and the working process.
これら、コスト高要因となる保持器の製作、加工あるい
は材料などの諸問題点の他、外輪などに穿孔する如きの
問題点を解消すべく、間隔体の外径寸法の玉の直径寸法
より僅かに小さくし、さらに、内外輪の双方若しくは内
外輪の何れか一方にかゝり代をもうけ、非分離形とし、
間隔体の抜け出し防止を計ることを本考案の技術的課題
とするものである。In order to solve these problems such as cage manufacturing, processing, materials, etc., which cause high cost, and problems such as perforation of the outer ring, etc. To a smaller size, and also with a margin for either the inner or outer ring or either the inner or outer ring to make it a non-separable type.
It is a technical subject of the present invention to prevent the spacer from coming out.
「問題点を解決するための手段」 本考案は上記課題を解決するために以下の技術的手段、
すなわち、内外輪間に複数の玉を有し、該玉と玉との間
には間隔体が配置されてなるアンギュラ玉軸受におい
て、該内外輪の開口部に玉及び間隔体用入れ溝若しくは
外輪側に入れ穴が形成されてなく、又該間隔体の外径寸
法Bが玉の直径寸法Dより僅かに小さく、前記内外輪の
開口部寸法Aより大きく、さらに内外輪の双方若しくは
内外輪の何れか一方にかかり代が設けられていることを
特徴とする非分離形アンギュラ玉軸受を提供することに
ある。"Means for Solving Problems" The present invention has the following technical means for solving the above problems.
That is, in an angular ball bearing that has a plurality of balls between the inner and outer rings, and a spacing body is arranged between the balls, in the opening of the inner and outer rings, a ball and a spacing body insertion groove or an outer ring. No insertion hole is formed on the side, the outer diameter dimension B of the spacer is slightly smaller than the diameter dimension D of the balls, is larger than the opening dimension A of the inner and outer races, and both of the inner and outer races or the inner and outer races are It is an object of the present invention to provide a non-separable angular contact ball bearing, characterized in that a barb is provided on either one of them.
「作用」 本考案は上記せる如き構成要件を具備することにより、
間隔体の外径寸法が玉の外径寸法より僅かに小さく、か
つ、内外輪間の開口部より間隔体の直径の方が大きいか
ら、間隔体が玉と玉および、内外輪から脱落するのを防
ぐ抜け出し防止機能並びに玉と玉間の接触を防ぐと同時
に所定間隔に保持する機能を有する。"Operation" The present invention has the above-mentioned constitutional requirements,
Since the outer diameter of the spacing body is slightly smaller than the outer diameter of the ball and the diameter of the spacing body is larger than the opening between the inner and outer rings, the spacing body falls off from the balls and the balls and the inner and outer rings. It has a function to prevent slipping out and a function to prevent contact between balls and at the same time hold it at a predetermined interval.
また、間隔体軸受は第10図のプレス保持器、第11図
のもみ抜き保持器のような保持器がないので、荷重負荷
部の肩を高くすることができ、大きなスラスト荷重を負
荷する場合に、制約されない利点がある。In addition, since the spacer bearing does not have a retainer such as the press retainer shown in FIG. 10 and the machined retainer shown in FIG. 11, it is possible to increase the shoulder of the load-bearing portion and to apply a large thrust load. Has the advantage of not being constrained.
「実施例」 以下図示に基いて本考案の一実施例について説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
第1図は非分離形アンギュラ玉軸受の縦断正面図、第2
図は内外輪間の開口部寸法と間隔体寸法との関連を示す
縦断正面図、第3図は内外輪にかゝり代が形成されてい
る状態を示す縦断正面図、第4図は第2図C−C線縦断
側面図である。Fig. 1 is a vertical sectional front view of a non-separable angular contact ball bearing, 2nd
The figure shows a vertical front view showing the relationship between the size of the opening between the inner and outer rings and the size of the spacing body. Fig. 3 shows the vertical front view showing the state in which the inner and outer rings have a margin. 2 is a vertical sectional side view taken along the line CC of FIG.
100は外輪、200は内輪、300は転動体および400は間隔体
を示す。100 is an outer ring, 200 is an inner ring, 300 is a rolling element, and 400 is a spacing element.
外輪100および内輪200は第2図に示すように、軌道101
および201の両側の形状はそれぞれの片側が荷重負荷部
の肩102,202を有し、その他の片側には内外輪100,200の
軌道径と開口端間の厚みによりかゝり代(また引っかゝ
り代ともいう。)103,203が形成される。The outer ring 100 and the inner ring 200 are, as shown in FIG.
The shape on both sides of and 201 has shoulders 102 and 202 for the load-bearing part on one side, and the other side has a margin (or scratching margin) depending on the raceway diameter of the inner and outer rings 100,200 and the thickness between the open ends. Also referred to as) 103, 203 are formed.
該内外輪200,100の軌道101,201内の玉300,300同志の接
触しないように嵌挿せしむる間隔体400は断面略つゞみ
形を呈しており、該間隔体400の両側には玉300と略同一
の凹曲面401,401が形成され、さらに該間隔体400の略中
央には貫通孔402が形成され、そして該間隔体400の外径
寸法Bは玉300の直径寸法Dよりも僅かに小さく形成さ
れ、前記内外輪100,200の開口部寸法Aよりも大きく形
成されている。The balls 300, 300 in the orbits 101, 201 of the inner and outer rings 200, 100 are fitted in such a manner that they do not come into contact with each other. Concave curved surfaces 401, 401 are formed, a through hole 402 is further formed substantially in the center of the spacing member 400, and the outer diameter dimension B of the spacing member 400 is slightly smaller than the diameter dimension D of the ball 300. It is formed to be larger than the opening dimension A of the inner and outer rings 100, 200.
従って、上記第1図に示す実施例にあっては、内外輪双
方にかゝり代103,203が形成され、そして間隔体400の外
径寸法Bは玉300の直径寸法Dよりも僅かに小さく形成
され、内外輪100,200開口部寸法Aよりも大きく形成さ
れた非分離形アンギュラ玉軸受で、間隔体400は内外輪1
00,200の軌道溝に接触することなく、かつ、玉相互間の
接触も防ぐことができるので、玉の自転並びに公転をス
ムーズに行わせしむることができると共に内外輪の開口
部より抜け出すのが防止される。Therefore, in the embodiment shown in FIG. 1, the margins 103 and 203 are formed on both the inner and outer races, and the outer diameter B of the spacing member 400 is slightly smaller than the diameter D of the ball 300. The non-separable angular contact ball bearing is formed larger than the opening size A of the inner and outer rings 100,200.
Since it is possible to prevent the balls from contacting each other without touching the raceway grooves of 00 and 200, it is possible to smoothly rotate and revolve the balls and prevent them from coming out of the openings of the inner and outer rings. To be done.
第5図は標準タイプのアンギュラ玉軸受の内外輪に本考
案を適用した他の実施例を示す内外輪非分離形アンギュ
ラ玉軸受の縦断正面図である。FIG. 5 is a vertical sectional front view of an inner / outer ring non-separable angular ball bearing showing another embodiment in which the present invention is applied to the inner and outer rings of a standard type angular ball bearing.
該内外輪1001,2001の巾Lが上記第1実施例の内外輪10
0,200の巾lより大きく形成されていることにより、該
内輪2001と軸(図示せず)の嵌め合い面の大きさ、外輪
1001とハウジング(図示せず)の嵌め合い面の大きさが
大きくとることができるため(軸方向に広いため)嵌め
合い面圧を低くすることができ、重荷重用に適してお
り、特に内外輪1001,2001の軌道溝101,201の縁の片側を
溝底からの高さが僅か残る103,203のかかり代を形成後
に削り取り、この縁の部分104,204と103,203の熱膨張を
利用して玉300と内輪2001または外輪1001と玉に組込ん
だものである。The width L of the inner and outer rings 100 1 , 200 1 is the inner and outer rings 10 of the first embodiment.
Since the inner ring 200 1 and the shaft (not shown) are formed to have a width larger than the width 1 of 0,200, the size of the outer ring
100 1 and the housing (not shown) have a large mating surface size (because they are wide in the axial direction), so that the mating surface pressure can be lowered, making them suitable for heavy loads, especially inside and outside One side of the edge of the raceway groove 101, 201 of the wheel 100 1 , 200 1 is scraped off after forming a barring margin 103, 203 where the height from the groove bottom remains slightly, and the ball 300 is used by utilizing the thermal expansion of the edge portion 104, 204 and 103, 203. It is built into a ball with the inner ring 200 1 or the outer ring 100 1 .
該内外輪間の間隔体400の外径寸法Bは玉300の直径寸法
Dより小さく形成され、内外輪の開口部寸法Aより大き
く形成されている。The outer diameter dimension B of the spacer 400 between the inner and outer races is smaller than the diameter dimension D of the ball 300 and larger than the opening dimension A of the inner and outer races.
第6図は標準タイプのアンギュラ玉軸受の内外輪に本考
案を適用した他の実施例を示す外輪非分離形アンギュラ
玉軸受の縦断正面図である。FIG. 6 is a vertical sectional front view of an outer ring non-separable angular ball bearing showing another embodiment in which the present invention is applied to the inner and outer rings of a standard type angular ball bearing.
該内外輪1001,2001の巾Lが上記第1実施例の内外輪10
0.200の巾lより大きく形成されていることにより第5
図同様重荷重用に適している。The width L of the inner and outer rings 100 1 , 200 1 is the inner and outer rings 10 of the first embodiment.
5th because it is formed larger than the width l of 0.200
Suitable for heavy loads as in the figure.
内輪2002の形状は深みぞ玉軸受と同じであるが、軌道溝
205は深みぞ玉軸受より深く外輪1001の軌道溝101の縁の
片側を溝底からの高さが僅か残る程度に削り取り、この
縁の部分104の熱膨張を利用して玉と内輪2002に組込む
ものである。The shape of the inner ring 200 2 is the same as the deep groove ball bearing, but the raceway groove
205 is deeper than the deep groove ball bearing, one side of the edge of the raceway groove 101 of the outer ring 100 1 is scraped off so that the height from the groove bottom remains slightly, and the thermal expansion of this edge portion 104 is used to make the ball and the inner ring 200 2 To be incorporated into.
間隔体400の条件は第1実施例と同一につきその説明を
省略する。The condition of the spacer 400 is the same as that of the first embodiment, and the description thereof is omitted.
第7図は標準タイプのアンギュラ玉軸受の内外輪に本考
案を適用した他の実施例を示す内輪非分離形アンギュラ
玉軸受の縦断面図である。FIG. 7 is a longitudinal sectional view of an inner ring non-separable type angular ball bearing showing another embodiment in which the present invention is applied to the inner and outer rings of a standard type angular ball bearing.
該内外輪1002,2001の巾Lが上記第1実施例の内外輪10
0.200の巾lよりも大きく形成されていることにより第
5図同様重荷重用に適している。The width L of the inner and outer rings 100 2 and 200 1 is the inner and outer ring 10 of the first embodiment.
Since it is formed larger than the width l of 0.200, it is suitable for heavy loads as in FIG.
外輪の形状は深みぞ玉軸受と同じであるが、その軌道溝
105は深みぞ玉軸受より深く、内輪2001の軌道溝201の縁
の片側を溝底からの高さが僅か残る程度に削り取り、こ
の縁の部分204の熱膨張冷し嵌めなど収縮を利用して玉
と外輪1002に組込まれる。The outer ring has the same shape as the deep groove ball bearing, but its raceway groove
105 is deeper than the deep groove ball bearing, one side of the edge of the raceway groove 201 of the inner ring 200 1 is scraped off so that the height from the groove bottom is slightly left, and shrinkage such as thermal expansion cold fitting of this edge portion 204 is used. Integrated into the ball and outer ring 100 2 .
間隔体400の条件は第1実施例と同一につきその説明を
省略する。The condition of the spacer 400 is the same as that of the first embodiment, and the description thereof is omitted.
「考案の効果」 本考案の非分離アンギュラ玉軸受はその内外輪の双方若
しくは内外輪の一方にかゝり代が形成され、そして該内
外輪間に嵌挿される間隔体の外径寸法が玉の直径寸法よ
り僅かに小さく形成され、かつ前記内外輪の開口部より
大きく形成されているので、玉と玉との間は間隔体によ
り一定間隔に保持され、この状態で内輪若しくは外輪と
共にスムーズに回転し、ラジアル荷重とスラスト荷重に
対して十分負荷することができる。"Effect of the Invention" In the non-separable angular contact ball bearing of the present invention, a clearance is formed on both the inner and outer rings or one of the inner and outer rings, and the outer diameter dimension of the spacing body fitted between the inner and outer rings is a ball. Since it is formed to be slightly smaller than the diameter dimension of the inner and outer rings and is formed to be larger than the opening of the inner and outer rings, a space between the balls is held at a constant interval, and in this state, the balls smoothly move together with the inner ring or the outer ring. It rotates and can be sufficiently loaded against radial load and thrust load.
また、間隔体は内外輪の開口部より大きく形成され、内
外輪から抜け出しを防ぐことができるので、内外輪、
玉、間隔体が一体的に組合わされた軸受として取扱うこ
とができ、軸受の取付け、取外しなどが容易になり、き
わめて実用的である。In addition, since the spacing body is formed larger than the openings of the inner and outer rings and can be prevented from coming out of the inner and outer rings,
It can be handled as a bearing in which balls and spacers are integrally combined, and mounting and dismounting of the bearing are easy, which is extremely practical.
また、同一玉径であれば、間隔体は軸受サイズに関係な
く使用できるので、プレス打抜き保持器、もみ抜き保持
器よりもコスト的にも有利である。Further, if the ball diameter is the same, the spacing body can be used regardless of the bearing size, so that it is more advantageous in cost than the press punched cage and the machined cage.
第1図は本考案非分離形アンギュラ玉軸受の縦断正面
図、第2図は内外輪間の開口部寸法と間隔体寸法との関
連を示す縦断正面図、第3図は内外輪にかゝり代が形成
されている状態を示す一部省略縦断正面図、第4図は第
2図C−C線縦断側面図、第5図は本考案の他の実施例
を示す内外輪非分離形アンギュラ玉軸受の縦断正面図、
第6図は本考案の他の実施例を示す外輪非分離形アンギ
ュラ玉軸受の縦断正面図、第7図は本考案の他の実施例
を示す内輪非分離形アンギュラ玉軸受の縦断正面図、第
8図は従来例の1つ総玉入れアンギュラ軸受の側面図、
第9図は外輪に間隔体を入れるための入れ穴が形成され
ている状態を示す従来例の深みぞ玉軸受の縦断側面図、
第10図は従来例の1つのアンギュラ玉軸受にプレスわ
ん形保持器が組込まれている状態を示す縦断正面図、第
11図は従来例の1つアンギュラ玉軸受にもみ抜き保持
器が組込まれている状態を示す縦断正面図である。 符号の説明 100……外輪 200……内輪 300……玉 400……間隔体 A……内外輪の開口部寸法 B……間隔体の外径寸法 D……玉の直径寸法FIG. 1 is a vertical sectional front view of the non-separable angular contact ball bearing of the present invention, FIG. 2 is a vertical sectional front view showing the relation between the opening size between the inner and outer rings and the size of the spacing body, and FIG. 3 is the inner and outer rings. A partially omitted vertical front view showing a state in which a clearance is formed, FIG. 4 is a vertical sectional side view of FIG. 2 along line CC, and FIG. Vertical sectional front view of angular contact ball bearing,
FIG. 6 is a vertical sectional front view of an outer ring non-separable angular ball bearing showing another embodiment of the present invention, and FIG. 7 is a vertical front view of an inner ring non-separable angular ball bearing showing another embodiment of the present invention. FIG. 8 is a side view of a conventional full throw angular contact angular bearing,
FIG. 9 is a vertical sectional side view of a conventional deep groove ball bearing showing a state in which an insertion hole for inserting a spacing body is formed in the outer ring,
FIG. 10 is a vertical cross-sectional front view showing a state where a press bowl type cage is incorporated in one conventional angular ball bearing, and FIG. 11 is a single cage bearing also incorporated in a conventional angular ball bearing. It is a vertical section front view showing the state where it is. Explanation of code 100 …… Outer ring 200 …… Inner ring 300 …… Ball 400 …… Spacing element A …… Inner / outer ring opening dimension B …… Spacing element outer diameter dimension D …… Ball diameter dimension
Claims (1)
し、該玉(300)と玉(300)との間には間隔体(400)が配置
されてなるアンギュラ玉軸受において、該内外輪の開口
部に玉及び間隔体用入れ溝若しくは外輪(100)側に入れ
穴が形成されてなく、又該間隔体の外径寸法Bが玉の直
径寸法Dより僅かに小さく、前記内外輪の開口部寸法A
より大きく、さらに内外輪の双方若しくは内外輪の何れ
か一方にかかり代(103,203)が設けられていることを特
徴とする非分離形アンギュラ玉軸受。1. An angular contact ball bearing comprising a plurality of balls (300) between inner and outer rings (100, 200), and a spacer (400) disposed between the balls (300). In the opening of the inner and outer races, the insertion groove for balls and the spacing body or the insertion hole on the outer ring (100) side is not formed, and the outer diameter dimension B of the spacing body is slightly smaller than the diameter dimension D of the ball. , The opening dimension A of the inner and outer rings
A non-separable angular contact ball bearing, which is larger, and further has a clearance (103, 203) provided on both of the inner and outer rings or on one of the inner and outer rings.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017802U JPH0632501Y2 (en) | 1987-02-12 | 1987-02-12 | Non-separable angular contact ball bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987017802U JPH0632501Y2 (en) | 1987-02-12 | 1987-02-12 | Non-separable angular contact ball bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63126614U JPS63126614U (en) | 1988-08-18 |
JPH0632501Y2 true JPH0632501Y2 (en) | 1994-08-24 |
Family
ID=30810891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987017802U Expired - Lifetime JPH0632501Y2 (en) | 1987-02-12 | 1987-02-12 | Non-separable angular contact ball bearing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0632501Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009192049A (en) * | 2008-02-18 | 2009-08-27 | Yaskawa Electric Corp | Nonseparable angular contact ball bearing |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850103Y2 (en) * | 1976-12-03 | 1983-11-15 | エヌ・テ−・エヌ東洋ベアリング株式会社 | deep groove ball bearing |
-
1987
- 1987-02-12 JP JP1987017802U patent/JPH0632501Y2/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009192049A (en) * | 2008-02-18 | 2009-08-27 | Yaskawa Electric Corp | Nonseparable angular contact ball bearing |
Also Published As
Publication number | Publication date |
---|---|
JPS63126614U (en) | 1988-08-18 |
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