JPH0124421Y2 - - Google Patents
Info
- Publication number
- JPH0124421Y2 JPH0124421Y2 JP1985119945U JP11994585U JPH0124421Y2 JP H0124421 Y2 JPH0124421 Y2 JP H0124421Y2 JP 1985119945 U JP1985119945 U JP 1985119945U JP 11994585 U JP11994585 U JP 11994585U JP H0124421 Y2 JPH0124421 Y2 JP H0124421Y2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- rolling bearing
- housing
- seal
- fastening
- 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
- 238000005096 rolling process Methods 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 description 7
- 230000013011 mating Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
- F16C33/7826—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of the opposing surface cooperating with the seal, e.g. a shoulder surface of a bearing ring
-
- 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
- F16C19/34—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 both radial and axial load
- F16C19/38—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 both radial and axial load with two or more rows of rollers
-
- 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Description
【考案の詳細な説明】
「産業上の利用分野」
本考案は、分割形転がり軸受組立体に係わり、
更に詳しくは、主として、例えば転炉トラニオン
の軸受部に使用される複列自動調心形式の分割形
転がり軸受組立体の密封構造の改良に関するもの
である。[Detailed description of the invention] "Industrial application field" The invention relates to a split type rolling bearing assembly.
More specifically, the present invention mainly relates to an improvement in the sealing structure of a double-row self-aligning type split rolling bearing assembly used, for example, in the bearing portion of a converter trunnion.
「従来技術」
従来より、例えば、転炉トラニオンの軸受部に
使用される転がり軸受組立体は、一例として第２
図に示すように、トラニオン１ａへの組付け、あ
るいは、軸受交換にあたつての分解などの容易性
を考慮し、内輪２ａ、外輪３ａ、保持器４ａ、前
記内輪を締結する締結リング５ａ、（５１ａは、
前記締結リングをボルトを介して締結するための
ボルト穴である。）ハウジング６ａ、該ハウジン
グの一部を構成しているサイドカバー７ａは、軸
心に沿つて２つ割りされた断面がほぼ半円状をな
し、これ等が適当な結合手段によつて一体形に組
付けられてトラニオン１ａを回転支持する構造と
なつている。“Prior Art” Conventionally, for example, rolling bearing assemblies used in the bearing portion of converter trunnions have been
As shown in the figure, in consideration of ease of assembly to the trunnion 1a or disassembly for bearing replacement, an inner ring 2a, an outer ring 3a, a retainer 4a, a fastening ring 5a for fastening the inner ring, (51a is
This is a bolt hole for fastening the fastening ring via a bolt. ) The housing 6a and the side cover 7a, which constitutes a part of the housing, are divided into two parts along the axis, and have a substantially semicircular cross section, and are integrated into one body by a suitable coupling means. The structure is such that the trunnion 1a is rotatably supported by being assembled to the trunnion 1a.
しかしながら、上記従来の転がり軸受組立体に
あつては、２つ割り内輪２ａを一体的に結合する
ための締結リング５ａと、転がり軸受組立体の転
がり軸受８ａを密封しているシール部９ａとがそ
れぞれ独立し、かつ、軸方向に適当な間隔をもつ
て配設されているので、転がり軸受組立体の部品
点数が多く、しかも組立が面倒であるとともに転
がり軸受組立体の軸方向長さが長くなり転がり軸
受組立体のコンパクト化を阻害し、またシール体
の接触面が軸体の外周面の場合には、その外周面
を特別に仕上げない場合、密封性能の点で劣るな
どの欠点があつた。（参考公報実公昭44−4487号
公報）
「考案が解決しようとする問題点」
本考案は、従来の分割形転がり軸受組立体のも
つ上記欠点を除去するもので、具体的には、転が
り軸受組立体の部品点数を減少させて装置への組
付けを容易にするとともに全体の軽量化とコンパ
クト化を図り、同時に密封性能の向上を図ること
を技術的課題とするものである。 However, in the conventional rolling bearing assembly described above, the fastening ring 5a for integrally coupling the two split inner rings 2a and the seal portion 9a sealing the rolling bearing 8a of the rolling bearing assembly are Since each part is arranged independently and at appropriate intervals in the axial direction, the number of parts in the rolling bearing assembly is large, and assembly is troublesome, and the axial length of the rolling bearing assembly is long. This impedes the compactness of the rolling bearing assembly, and if the contact surface of the seal body is the outer circumferential surface of the shaft, there may be disadvantages such as poor sealing performance if the outer circumferential surface is not specially finished. Ta. (Reference Publication No. 4487) ``Problems to be solved by the invention'' The invention aims to eliminate the above-mentioned drawbacks of conventional split type rolling bearing assemblies. The technical objective is to reduce the number of parts in the assembly to make it easier to assemble into the device, make the whole assembly lighter and more compact, and at the same time improve sealing performance.
「問題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、以下の技術
的手段（構成）をとるものである。"Means for Solving the Problem" The present invention takes the following technical means (configuration) to solve the above problems.
少なくとも内輪、外輪、保持器、前記内輪を一
体に結合する締結リングおよびハウジングが軸心
に沿つて分割されており、前記外輪がハウジング
に保持され、かつ、内輪に軸体が嵌合されて前記
軸体を回転支持する分割形転がり軸受組立体にお
いて、ハウジングに保持された外輪の両端側にハ
ウジングの一部をなすサイドカバーを有し、前記
分割形内輪は、該内輪をボルトを介して締結する
締結リングによつて結合されており、該締結リン
グは、シール体の接触するシールリングの機能を
兼ね備えており、前記サイドカバーに保持された
シール体が、前記締結リングの外周面と接触して
転がり軸受を密封する構成をとるものである。 At least an inner ring, an outer ring, a retainer, a fastening ring that integrally connects the inner ring, and a housing are divided along the axis, and the outer ring is held by the housing, and a shaft body is fitted to the inner ring. In a split type rolling bearing assembly that rotatably supports a shaft body, side covers forming part of the housing are provided on both ends of an outer ring held in the housing, and the split inner ring is fastened to the inner ring via bolts. The fastening ring has the function of a seal ring with which the seal body is in contact, and the seal body held by the side cover is in contact with the outer peripheral surface of the fastening ring. The structure is such that the rolling bearing is sealed.
「作用」
かくして、本考案の分割形転がり軸受組立体に
あつては、密封部の構造が簡略化されるため、前
記組立体の部品点数が減少して軸受組立体の組立
が容易になるとともに、軸受組立体の軽量化とコ
ンパクト化が達成でき、同時に密封性能が向上す
る。"Operation" Thus, in the split type rolling bearing assembly of the present invention, the structure of the sealing part is simplified, the number of parts of the assembly is reduced, and the assembly of the bearing assembly is facilitated. , the bearing assembly can be made lighter and more compact, and at the same time the sealing performance is improved.
「実施例」 以下図に基いて本考案の一実施例を説明する。"Example" An embodiment of the present invention will be described below based on the drawings.
符号１００で全体的に示されているのは分割形
転がり軸受である。 Shown generally at 100 is a split rolling bearing.
転がり軸受１００は図示した複列自動調心形式
のものだけでなく、他の適当な型式のものでも採
用できる。 The rolling bearing 100 is not limited to the double-row self-aligning type illustrated, but may also be of any other suitable type.
転がり軸受１００は軸心に沿つて上下に２つ割
りした内輪１０１と、同じく外輪１０２間に軸心
に沿つて２つ割りした保持器１０３を介して多数
のころ１０４が配されている。 The rolling bearing 100 has a large number of rollers 104 disposed between an inner ring 101 which is divided into two halves along the axis, and an outer ring 102 via a cage 103 which is also divided into two parts along the axis.
また、転がり軸受１００が組込まれるハウジン
グ１０５も軸心に沿つて上下に２つ割りされてい
る。 Furthermore, the housing 105 into which the rolling bearing 100 is installed is also divided into two parts, upper and lower, along the axis.
１０６は転炉側の締結リングで、該締結リング
１０６は締結用のボルト１２４を介して２つ割り
内輪１０１を固定するとともに外部より異物の侵
入を防止するシール体１０８と接触してシールリ
ングの役目を兼ね備えている。 106 is a fastening ring on the converter side, and this fastening ring 106 fixes the two-split inner ring 101 via a fastening bolt 124, and also contacts the seal body 108 that prevents foreign matter from entering from the outside, so that the seal ring is closed. It has both roles.
そして、該締結リング１０６は、前記内輪１０
１、外輪１０２、保持器１０３およびハウジング
１０５と同様、軸心に沿つて二つ割りされてい
る。 The fastening ring 106 is connected to the inner ring 10.
1. Like the outer ring 102, cage 103, and housing 105, it is divided into two along the axis.
該締結リング１０６の外周面は図示の如き曲面
状（テーパ面にすることもある。）に形成されて
いる。 The outer peripheral surface of the fastening ring 106 is formed into a curved surface (sometimes tapered) as shown in the drawing.
１０９はプールギア側の締結リングで、基本形
状は前記転炉側の締結リング１０６と同一である
が、特に軸方向に幅広のため、該締結リング１０
９の端部にも締結用のボルトが装着される緩み止
め部１１０が一体的に形成される。 Reference numeral 109 denotes a fastening ring on the pool gear side, which has the same basic shape as the fastening ring 106 on the converter side, but is particularly wide in the axial direction, so that the fastening ring 10
A locking part 110 to which a fastening bolt is attached is also integrally formed at the end of the bolt 9 .
１１１，１１２はハウジング１０５に保持さ
れ、外輪１０２の両側端に位置してハウジング１
０５の一部をなすべく、取付けられた２つ割りサ
イドカバーで、該サイドカバー１１１，１１２の
内周面には周方向段部が形成され、該周方向段部
に前記シール体１０８，１０８が嵌挿され、しか
るのち該シール体１０８，１０８は前記締結リン
グ１０６，１０９の外周面に接触して転がり軸受
１００を密封している。 111 and 112 are held in the housing 105 and are located at both ends of the outer ring 102.
05, a circumferential step is formed on the inner peripheral surface of the side cover 111, 112, and the seal bodies 108, 108 are formed in the circumferential step. are fitted and inserted, and then the seal bodies 108, 108 contact the outer peripheral surfaces of the fastening rings 106, 109 to seal the rolling bearing 100.
この場合、前記サイドカバー１１１，１１２の
合わせ面は、前記各部品の合わせ面と一致させ
ず、周方向にずらして取付けられている。 In this case, the mating surfaces of the side covers 111 and 112 do not match the mating surfaces of the respective parts, but are mounted offset in the circumferential direction.
１１３は２つ割り外輪１０２の回り止めピン
で、該ピン１１３の一端は外輪１０２の側壁に、
他端が前記サイドカバー１１１，１１２に嵌合さ
れる。 Reference numeral 113 denotes a detent pin for the split outer ring 102, and one end of the pin 113 is attached to the side wall of the outer ring 102.
The other end is fitted into the side covers 111 and 112.
１１４，１１５は、サイドカバー１１１，１１
２の外側面１１６，１１７と締結リング１０６，
１０９の外周面間に半径方向フランジ部１１８が
嵌挿される略逆Ｌ字状シールカバーで、該シール
カバー１１４，１１５の半径方向フランジ部１１
８の先端面が前記シール体１０８の側面に密着さ
れている。 114, 115 are side covers 111, 11
2 outer surfaces 116, 117 and the fastening ring 106,
A substantially inverted L-shaped seal cover in which a radial flange portion 118 is fitted between the outer peripheral surfaces of the seal covers 114 and 115.
8 is in close contact with the side surface of the seal body 108.
１１９，１２０は２つ割り内輪１０１の両サイ
ドに形成された凹部で、該凹部１１９，１２０に
前記締結リング１０６，１０９の半径方向突出部
が嵌合されている。 Recesses 119 and 120 are formed on both sides of the split inner ring 101, and the radial protrusions of the fastening rings 106 and 109 are fitted into the recesses 119 and 120.
１２１は前記締結リング１０６の半径方向に形
成された突出部で、該突出部１２１の内周面は前
記内輪１０１と同径にして、転炉側に段部１２２
が形成され、該段部１２２に一致する段部を外周
に形成した軸体１２３が嵌合されると、該軸体１
２３の大径側端面が前記突出部１２１の外側面に
当接する。 Reference numeral 121 denotes a protrusion formed in the radial direction of the fastening ring 106. The inner peripheral surface of the protrusion 121 has the same diameter as the inner ring 101, and a step 122 is formed on the converter side.
is formed, and when the shaft body 123 having a stepped portion formed on the outer periphery that matches the stepped portion 122 is fitted, the shaft body 1
The large diameter side end surface of 23 abuts on the outer surface of the protrusion 121.
前記突出部１２１は、これを省略することもあ
る。上記２つ割りした内輪１０１、外輪１０２お
よび保持器１０３並びにハウジング１０５は上部
のみ説明し、下部については省略されている。 The protrusion 121 may be omitted. Only the upper part of the inner ring 101, outer ring 102, retainer 103, and housing 105 that are divided into two will be explained, and the lower part will be omitted.
第１図に示す実施例にあつては、２つ割りの内
輪、外輪、保持器、ハウジングは、その合わせ面
が、軸心に対し平行な水平面として上下に分れた
位置となつているが、締結リングは、前記水平面
に対し垂直方向に合せ面がある状態で示されてい
るものである。 In the embodiment shown in Fig. 1, the mating surfaces of the inner ring, outer ring, cage, and housing that are divided into two halves are horizontal planes parallel to the axis, and are separated into upper and lower positions. , the fastening ring is shown with a mating surface perpendicular to the horizontal plane.
なお、実施例のサイドカバー１１１，１１２
は、ハウジングと別体に形成されているが、これ
等両者を一体成形したハウジング構造として実施
することもある。 In addition, the side covers 111 and 112 of the embodiment
Although these are formed separately from the housing, they may be implemented as a housing structure in which both are integrally molded.
「考案の効果」
本考案の分割形転がり軸受組付体にあつては、
特に分割された内輪を締結している締結リング
に、ハウジングの一部をなすサイドカバーに保持
されたシール体が接触するシールリング機能をも
たせ、特別のシールリング（またはシール接触
部）を省略した構造としたので、軸受組立体の部
品点数が減少して軸受組立が容易となり、製造コ
ストも低減し、しかも、軸方向幅が小さくなつて
軸受組立体がよりコンパクト化する。"Effect of the invention" Regarding the split type rolling bearing assembly of this invention,
In particular, the fastening ring that fastens the divided inner ring has a seal ring function that makes contact with the seal body held by the side cover that forms part of the housing, and a special seal ring (or seal contact part) is omitted. This structure reduces the number of parts in the bearing assembly, making it easier to assemble the bearing, reducing manufacturing costs, and reducing the axial width, making the bearing assembly more compact.
また締結リングは、シール体の摺接する外周面
が、従来の軸の外周面と比べ精度良く仕上げら
れ、その分だけシール体の摩耗も少なく、密封性
能の向上と長期の使用に耐えられるなどの効果を
奏するもので、特に転炉用トラニオンの軸受装置
に用いられる分割形転がり軸受組立体として有効
である。 In addition, the outer circumferential surface of the fastening ring that the seal body slides on is finished with higher accuracy than the outer circumferential surface of conventional shafts, which reduces wear on the seal body, improves sealing performance, and can withstand long-term use. It is effective, and is particularly effective as a split rolling bearing assembly used in a bearing device for a converter trunnion.
第１図は本考案分割形転がり軸受組立体の半截
断面図、第２図は従来例を示す半截断面図であ
る。
１０１……内輪、１０２……外輪、１０３……
保持器、１０４……ローラ、１０５……ハウジン
グ、１０６，１０９……締結リング、１０８……
シール体、１１６，１１７……サイドカバー、１
２４……ボルト。
FIG. 1 is a half-cut sectional view of the split type rolling bearing assembly of the present invention, and FIG. 2 is a half-cut sectional view of a conventional example. 101... Inner ring, 102... Outer ring, 103...
Cage, 104... Roller, 105... Housing, 106, 109... Fastening ring, 108...
Seal body, 116, 117...Side cover, 1
24...Bolt.
Claims (1)
一体に結合する締結リングおよびハウジングが
軸心に沿つて分割されており、前記外輪がハウ
ジングに保持され、かつ、内輪に軸体が嵌合さ
れて前記軸体を回転支持する分割形転がり軸受
組立体において、ハウジングに保持された外輪
の両端側にハウジングの一部をなすサイドカバ
ーを有し、該サイドカバーは、軸受をシールす
るシール体を備え、また前記分割形内輪は、該
内輪をボルトを介して締結する締結リングによ
つて結合されており、該締結リングは、シール
体の接触するシールリングの機能を兼ね備えて
おり、前記サイドカバーに保持されたシール体
が、前記締結リングの外周面と接触して転がり
軸受を密封していることを特徴とした分割形転
がり軸受組立体。 (2) 実用新案登録請求の範囲第１項において、転
がり軸受組立体の転がり軸受が複列自動調心こ
ろ軸受であり、かつ、締結リングの外周面が、
曲面、テーパ面などによる傾斜面となつている
分割形転がり軸受組立体。[Claims for Utility Model Registration] (1) At least an inner ring, an outer ring, a retainer, a fastening ring that connects the inner ring together, and a housing are divided along an axis, and the outer ring is held by the housing, and , a split rolling bearing assembly in which a shaft body is fitted into an inner ring and rotatably supports the shaft body, the outer ring held in the housing having side covers forming part of the housing at both ends thereof, the side covers is provided with a seal body that seals the bearing, and the split inner ring is connected by a fastening ring that fastens the inner ring via a bolt, and the fastening ring is connected to the seal ring that the seal body is in contact with. 1. A split rolling bearing assembly, characterized in that a seal body held by the side cover contacts the outer peripheral surface of the fastening ring to seal the rolling bearing. (2) In claim 1 of the utility model registration claim, the rolling bearing of the rolling bearing assembly is a double-row spherical roller bearing, and the outer peripheral surface of the fastening ring is
A split rolling bearing assembly with an inclined surface such as a curved or tapered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985119945U JPH0124421Y2 (en) | 1985-08-06 | 1985-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985119945U JPH0124421Y2 (en) | 1985-08-06 | 1985-08-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61109921U JPS61109921U (en) | 1986-07-11 |
| JPH0124421Y2 true JPH0124421Y2 (en) | 1989-07-25 |
Family
ID=30678795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985119945U Expired JPH0124421Y2 (en) | 1985-08-06 | 1985-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0124421Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0645696Y2 (en) * | 1990-09-26 | 1994-11-24 | 光洋精工株式会社 | Split bearing for rolling mill |
| JP4388591B2 (en) * | 2006-12-28 | 2009-12-24 | 日鉱金属株式会社 | Roll device immersed in surface treatment liquid |
-
1985
- 1985-08-06 JP JP1985119945U patent/JPH0124421Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61109921U (en) | 1986-07-11 |
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