JP2017190835A5 - Bearing device, saddle type roll, and sealing device - Google Patents
Bearing device, saddle type roll, and sealing device Download PDFInfo
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- JP2017190835A5 JP2017190835A5 JP2016080952A JP2016080952A JP2017190835A5 JP 2017190835 A5 JP2017190835 A5 JP 2017190835A5 JP 2016080952 A JP2016080952 A JP 2016080952A JP 2016080952 A JP2016080952 A JP 2016080952A JP 2017190835 A5 JP2017190835 A5 JP 2017190835A5
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- roll
- inner ring
- main body
- groove
- bearing
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- 238000007789 sealing Methods 0.000 title claims description 14
- 210000003027 Ear, Inner Anatomy 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000002093 peripheral Effects 0.000 claims description 5
- 230000003247 decreasing Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
Description
本発明は、杵型ロールを回転可能として支持する軸受装置、杵型ロール、及び、この軸受装置に設けられる密封装置に関する。 The present invention relates to a bearing device that supports a saddle type roll so as to be rotatable, a saddle type roll, and a sealing device provided in the bearing device.
そこで、本発明は、内輪とロールとの間の隙間に水が滞留しないようにして腐食の発生を防ぐことを可能とする軸受装置、前記軸受装置によって支持される杵型ロール、及び、前記腐食の発生を防ぐための密封装置を提供することを目的とする。 Accordingly, the present invention provides a bearing device capable of preventing the occurrence of corrosion by preventing water from staying in the gap between the inner ring and the roll, the saddle type roll supported by the bearing device, and the corrosion It aims at providing the sealing device for preventing generation | occurrence | production of this.
また、本発明は、軸箱に対して杵型ロールを回転可能として支持するために当該ロールの小径軸部に装着される軸受装置の内輪の軸方向側部に設けられ、当該内輪と前記ロールとの間に外部から水が浸入するのを防止するための密封装置であって、前記内輪の前記軸方向側部に形成されている取り付け溝に取り付けられる本体部と、当該本体部から前記ロール側に設けられ当該ロールの一部に接触可能である接触部と、を有している。
この密封装置は、内輪の軸方向側部に取り付けられ、ロールの一部に接触して内輪とロールとの間に外部から水が浸入するのを防止することで、これら内輪とロールとの間の隙間に水が滞留しないようにして腐食の発生を防ぐことが可能となる。
また、本発明は、小径軸部と大径部とを有する杵型ロールの当該小径軸部に外嵌する内輪、前記内輪の径方向外側に設けられている筒状の外輪部材、前記内輪と前記外輪部材との間に設けられている複数の転動体、及び、前記外輪部材を支持している軸箱を有する軸受本体と、前記転動体が設けられている軸受内部、及び、前記内輪と前記ロールとの間に、外部から水が浸入するのを防止するための密封構造体と、を備えた軸受装置であって、前記密封構造体は、前記内輪の軸方向側部に取り付けられ前記ロールの一部に接触し当該内輪と当該ロールとの間に外部から水が浸入するのを防止するためのパッキンを有している。
また、この軸受装置において、前記密封構造体は、前記内輪の径方向外側において前記軸受本体に取り付けられ前記ロールの大径部に形成されている凹周溝に一部が入って当該凹周溝との間でラビリンス隙間を形成するラビリンスリングを有し、前記内輪は、前記軸方向側部において、径方向外側から、環状の取り付け溝と、軸方向中央に向かうにしたがって縮径する円弧状面と、前記小径軸部に嵌合している円筒面と、を有し、前記パッキンは、前記取り付け溝に取り付けられている本体部と、当該本体部から前記ラビリンスリング側に設けられ当該ラビリンスリングの内周面に滑り接触可能である第一接触部と、前記本体部から前記ロール側に設けられ当該ロールに接触可能である第二接触部と、を有しているのが好ましい。
また、本発明は、小径軸部と大径部とを有し、前記軸受装置によって支持される杵型ロールである。
Further, the present invention is provided on an axial side portion of an inner ring of a bearing device mounted on a small-diameter shaft portion of the roll so as to rotatably support the saddle type roll with respect to the axle box, and the inner ring and the roll A main body part that is attached to a mounting groove formed in the axial side part of the inner ring, and the roll from the main body part. A contact portion that is provided on the side and is capable of contacting a part of the roll.
This sealing device is attached to the side of the inner ring in the axial direction and contacts a part of the roll to prevent water from entering between the inner ring and the roll. It is possible to prevent the occurrence of corrosion by preventing water from staying in the gaps.
Further, the present invention provides an inner ring that is externally fitted to the small-diameter shaft portion of a saddle type roll having a small-diameter shaft portion and a large-diameter portion, a cylindrical outer ring member that is provided radially outside the inner ring, and the inner ring. A plurality of rolling elements provided between the outer ring member, a bearing main body having a shaft box supporting the outer ring member, a bearing inside provided with the rolling element, and the inner ring A sealing structure for preventing water from entering from the outside between the rolls, wherein the sealing structure is attached to an axial side portion of the inner ring, and A packing is provided to contact a part of the roll and prevent water from entering between the inner ring and the roll from the outside.
Further, in this bearing device, the sealing structure is attached to the bearing main body on the radially outer side of the inner ring and a part of the concave circumferential groove formed in the large diameter portion of the roll enters the concave circumferential groove. A labyrinth ring that forms a labyrinth gap between the inner ring and the inner ring is an arcuate surface that decreases in diameter from the radially outer side toward the annular mounting groove and toward the center in the axial direction. And a cylindrical surface fitted to the small-diameter shaft portion, and the packing is provided on the labyrinth ring side from the main body portion and the main body portion attached to the attachment groove, and the labyrinth ring It is preferable to have the 1st contact part which can be slidably contacted to the inner peripheral surface, and the 2nd contact part which is provided in the said roll side from the said main-body part and can contact the said roll.
Moreover, this invention is a saddle type roll which has a small diameter shaft part and a large diameter part, and is supported by the said bearing apparatus.
Claims (10)
前記転動体が設けられている軸受内部、及び、前記内輪と前記ロールとの間に、外部から水が浸入するのを防止するための密封構造体と、
を備えた軸受装置であって、
前記密封構造体は、
前記内輪の径方向外側において前記軸受本体に取り付けられ前記ロールの大径部に形成されている凹周溝に一部が入って当該凹周溝との間でラビリンス隙間を形成するラビリンスリングと、
前記内輪の軸方向側部に取り付けられ前記ロールの一部に接触し当該内輪と当該ロールとの間に外部から水が浸入するのを防止するためのパッキンと、を有している、軸受装置。 An inner ring that is externally fitted to the small-diameter shaft portion of a saddle type roll having a small-diameter shaft portion and a large-diameter portion, a cylindrical outer ring member that is provided on the radially outer side of the inner ring, and a space between the inner ring and the outer ring member A plurality of rolling elements, and a bearing body having a shaft box supporting the outer ring member;
A sealing structure for preventing water from entering from the inside between the bearing in which the rolling element is provided and between the inner ring and the roll;
A bearing device comprising:
The sealing structure is
A labyrinth ring which is attached to the bearing body on the radially outer side of the inner ring and a labyrinth gap is formed between the concave circumferential groove and a part of the concave circumferential groove formed in the large diameter portion of the roll;
A bearing device having a packing attached to an axial side portion of the inner ring and contacting a part of the roll to prevent water from entering between the inner ring and the roll from the outside. .
前記内輪の前記軸方向側部のうちの少なくとも前記円弧状面に環状の取り付け溝が設けられており、
前記パッキンは、前記取り付け溝に取り付けられている本体部と、当該本体部から前記ロール側に設けられ当該ロールに接触可能である接触部と、を有している、請求項１に記載の軸受装置。 The inner ring has an annular surface located on a virtual plane perpendicular to the center line of the inner ring, and an arcuate surface that decreases in diameter toward the center in the axial direction, from the radially outer side in the axial direction side portion, A cylindrical surface fitted to the small-diameter shaft portion,
An annular mounting groove is provided on at least the arcuate surface of the axial side portion of the inner ring,
The bearing according to claim 1, wherein the packing includes a main body portion attached to the attachment groove, and a contact portion provided on the roll side from the main body portion and capable of contacting the roll. apparatus.
前記パッキンは、前記取り付け溝に取り付けられている本体部と、当該本体部から前記ラビリンスリング側に設けられ当該ラビリンスリングの内周面に滑り接触可能である第一接触部と、前記本体部から前記ロール側に設けられ当該ロールに接触可能である第二接触部と、を有している、請求項１に記載の軸受装置。 The inner ring includes an annular mounting groove, an arc-shaped surface that decreases in diameter toward the center in the axial direction, and a cylindrical surface that is fitted to the small-diameter shaft portion on the axial side portion from the radially outer side. Have
The packing includes a main body part attached to the attachment groove, a first contact part provided on the labyrinth ring side from the main body part and capable of sliding contact with an inner peripheral surface of the labyrinth ring, and the main body part. The bearing device according to claim 1, further comprising: a second contact portion provided on the roll side and capable of contacting the roll.
前記パッキンは、断面四角形であり、当該パッキンの外周部が前記第一接触部であり、当該パッキンの軸方向側部が前記第二接触部である、請求項３に記載の軸受装置。 The mounting groove consists of a cylindrical surface facing the radially outer side and an annular surface facing the axially outer side,
The bearing device according to claim 3, wherein the packing has a quadrangular cross section, an outer peripheral portion of the packing is the first contact portion, and an axial side portion of the packing is the second contact portion.
前記パッキンは、前記第一溝部及び前記第二溝部に嵌まる前記本体部と、当該本体部から径方向外側に延びて設けられている前記第一接触部と、前記本体部から軸方向外側に延びて設けられている前記第二接触部と、を有している請求項３に記載の軸受装置。 The attachment groove has a first groove portion on the outer side in the axial direction, and a second groove portion that is provided adjacent to the first groove portion and has a smaller groove bottom diameter than the first groove portion,
The packing includes the main body portion that fits in the first groove portion and the second groove portion, the first contact portion that extends radially outward from the main body portion, and the axially outer side from the main body portion. The bearing device according to claim 3, further comprising: the second contact portion that extends.
前記パッキンは、前記取り付け溝に取り付けられていると共に前記円環面を覆っている本体部と、当該本体部から前記ラビリンスリング側に設けられ当該ラビリンスリングの内周面に滑り接触可能である第一接触部と、前記本体部から前記ロール側に設けられ当該ロールに接触可能である第二接触部と、を有している、請求項１に記載の軸受装置。 The inner ring has an annular mounting groove, an annular surface located on a virtual plane orthogonal to the center line of the inner ring, and a diameter decreasing toward the axial center from the radially outer side at the axial side portion. An arcuate surface to be engaged with, and a cylindrical surface fitted to the small-diameter shaft portion,
The packing is attached to the attachment groove and covers the annular surface, and the packing is provided on the labyrinth ring side from the main body portion and is capable of sliding contact with an inner peripheral surface of the labyrinth ring. The bearing device according to claim 1, further comprising: one contact portion; and a second contact portion that is provided on the roll side from the main body portion and is capable of contacting the roll.
前記転動体が設けられている軸受内部、及び、前記内輪と前記ロールとの間に、外部から水が浸入するのを防止するための密封構造体と、A sealing structure for preventing water from entering from the inside between the bearing in which the rolling element is provided and between the inner ring and the roll;
を備えた軸受装置であって、A bearing device comprising:
前記密封構造体は、前記内輪の軸方向側部に取り付けられ前記ロールの一部に接触し当該内輪と当該ロールとの間に外部から水が浸入するのを防止するためのパッキンを有している、軸受装置。The sealing structure includes a packing that is attached to an axial side portion of the inner ring and that contacts a part of the roll to prevent water from entering between the inner ring and the roll from the outside. The bearing device.
前記内輪は、前記軸方向側部において、径方向外側から、環状の取り付け溝と、軸方向中央に向かうにしたがって縮径する円弧状面と、前記小径軸部に嵌合している円筒面と、を有し、The inner ring includes an annular mounting groove, an arc-shaped surface that decreases in diameter toward the center in the axial direction, and a cylindrical surface that is fitted to the small-diameter shaft portion on the axial side portion from the radially outer side. Have
前記パッキンは、前記取り付け溝に取り付けられている本体部と、当該本体部から前記ラビリンスリング側に設けられ当該ラビリンスリングの内周面に滑り接触可能である第一接触部と、前記本体部から前記ロール側に設けられ当該ロールに接触可能である第二接触部と、を有している、請求項７に記載の軸受装置。The packing includes a main body part attached to the attachment groove, a first contact part provided on the labyrinth ring side from the main body part and capable of sliding contact with an inner peripheral surface of the labyrinth ring, and the main body part. The bearing device according to claim 7, further comprising a second contact portion provided on the roll side and capable of contacting the roll.
前記内輪の前記軸方向側部に形成されている取り付け溝に取り付けられる本体部と、
当該本体部から前記ロール側に設けられ当該ロールの一部に接触可能である接触部と、
を有している、密封装置。 Provided on the axial side of the inner ring of the bearing device mounted on the small-diameter shaft portion of the roll for supporting the saddle type roll with respect to the axle box so as to be rotatable, and externally between the inner ring and the roll. A sealing device for preventing water from entering,
A main body attached to an attachment groove formed on the axial side of the inner ring;
A contact portion provided on the roll side from the main body portion and capable of contacting a part of the roll;
Having a sealing device.
前記軸受装置は、請求項１〜８のいずれか一項に記載の軸受装置である、杵型ロール。The said bearing apparatus is a saddle type roll which is a bearing apparatus as described in any one of Claims 1-8.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016080952A JP6710566B2 (en) | 2016-04-14 | 2016-04-14 | Bearing device, assembly, and sealing device |
| DE102017107843.6A DE102017107843A1 (en) | 2016-04-14 | 2017-04-11 | Bearing device and sealing device |
| KR1020170047155A KR102278481B1 (en) | 2016-04-14 | 2017-04-12 | Bearing device and sealing device |
| CN201710235540.1A CN107420434B (en) | 2016-04-14 | 2017-04-12 | Bearing device and sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016080952A JP6710566B2 (en) | 2016-04-14 | 2016-04-14 | Bearing device, assembly, and sealing device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020009182A Division JP6814897B2 (en) | 2020-01-23 | 2020-01-23 | Bearing equipment, sealing equipment, and assemblies |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017190835A JP2017190835A (en) | 2017-10-19 |
| JP2017190835A5 true JP2017190835A5 (en) | 2019-03-28 |
| JP6710566B2 JP6710566B2 (en) | 2020-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2016080952A Active JP6710566B2 (en) | 2016-04-14 | 2016-04-14 | Bearing device, assembly, and sealing device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6710566B2 (en) |
| KR (1) | KR102278481B1 (en) |
| CN (1) | CN107420434B (en) |
| DE (1) | DE102017107843A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI693354B (en) * | 2018-11-15 | 2020-05-11 | 臣庭貿易有限公司 | Sealing device |
| CN110883099A (en) * | 2019-12-11 | 2020-03-17 | 广东冠邦科技有限公司 | Sealing system and planetary rolling mill |
| CN112718871A (en) * | 2020-12-11 | 2021-04-30 | 陕西龙门钢铁有限责任公司 | Rod and wire mill bearing seal assembly |
| WO2024009459A1 (en) * | 2022-07-07 | 2024-01-11 | 株式会社ジェイテクト | Rolling bearing device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1778391A (en) * | 1927-12-08 | 1930-10-14 | Kendall Edgar Homer | Bearing mounting |
| CN85107199A (en) * | 1985-09-26 | 1987-04-08 | 埃默森电气公司 | Bearing unit |
| DE8536143U1 (en) * | 1985-12-21 | 1986-02-20 | SKF Gleitlager GmbH, 6625 Püttlingen | Arrangement for sealing bearings, in particular spherical plain bearings with an outer ring composed of two half-shells |
| JPH04302714A (en) * | 1991-03-29 | 1992-10-26 | Ntn Corp | Sealing device of roller bearing |
| JP2536384Y2 (en) * | 1992-06-26 | 1997-05-21 | 光洋精工株式会社 | Split-type rotary bearing unit |
| JP2539556Y2 (en) * | 1992-06-30 | 1997-06-25 | エヌティエヌ株式会社 | Sealing device for split type rolling bearing |
| JP4187365B2 (en) * | 1999-09-27 | 2008-11-26 | Ｎｔｎ株式会社 | Drive wheel support device |
| JP4506262B2 (en) * | 2004-04-28 | 2010-07-21 | 日本精工株式会社 | Sealing means for rolling bearing unit Rolling bearing unit |
| JP4650310B2 (en) * | 2005-07-04 | 2011-03-16 | 日本精工株式会社 | Split type rolling bearing unit |
| CN201627824U (en) * | 2010-04-13 | 2010-11-10 | 景喜原 | Automobile composite joint bearing with outer spherical surface |
| JP6236878B2 (en) | 2013-05-29 | 2017-11-29 | 株式会社ジェイテクト | Split bearing device |
-
2016
- 2016-04-14 JP JP2016080952A patent/JP6710566B2/en active Active
-
2017
- 2017-04-11 DE DE102017107843.6A patent/DE102017107843A1/en active Pending
- 2017-04-12 CN CN201710235540.1A patent/CN107420434B/en active Active
- 2017-04-12 KR KR1020170047155A patent/KR102278481B1/en active IP Right Grant
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