CN101769309A - Rolling mill double-row cylinder roller bearing - Google Patents
Rolling mill double-row cylinder roller bearing Download PDFInfo
- Publication number
- CN101769309A CN101769309A CN200810230222A CN200810230222A CN101769309A CN 101769309 A CN101769309 A CN 101769309A CN 200810230222 A CN200810230222 A CN 200810230222A CN 200810230222 A CN200810230222 A CN 200810230222A CN 101769309 A CN101769309 A CN 101769309A
- Authority
- CN
- China
- Prior art keywords
- outer ring
- rounded
- roller
- sides
- bearing
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 8
- 239000007924 injection Substances 0.000 claims abstract description 8
- 230000001050 lubricating effect Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 8
- 239000004519 grease Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
- F16C19/28—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 two or more rows of rollers
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a rolling mill double-row cylinder roller bearing, comprising an outer ring (1), an inner ring (2), a roller (3), a retaining bracket (4), a retaining bracket cover (5) and a pin (6); wherein two sides of the outer diameter of the outer ring (1) are rounded off respectively, an circular arc groove is arranged in the middle of the outer ring (1), and oil injection holes which point to the circle center are uniformly distributed in the circular arc groove, two cylindrical roller rolling ways are symmetrically distributed in the inner hole of the outer ring (1), two circular arc grooves are arranged in each roller rolling way, two sides of the inner hole of the outer ring (1) are both rounded off, the outer diameter of the inner ring (2) and two sides of the inner hole are rounded off; the retaining bracket cover (5) is fastened on the retaining bracket (4) by the pin (6) for fixing the roller (3). The oil injection hole adopted in the invention improves the lubricating effect, and the service life of the bearing is greatly improved.
Description
Technical Field
The invention relates to a cylindrical roller bearing, in particular to a cylindrical roller bearing used on a rolling mill, and belongs to the technical field of cylindrical roller bearings.
Background
The four-row cylindrical roller bearing structure consists of an outer ring, an inner ring, a retainer and rollers, the four-row cylindrical roller bearing is used on a rolling mill of each steel rolling mill, and the bearing works under the severe working conditions of impact, high temperature, high speed, heavy load, poor lubrication, high-pressure water scouring and the like. The end part of the bearing box is provided with a sealing element which is mainly used for preventing external foreign matters such as impurities, cooling water, iron scale and the like from entering the bearing.
Foreign matters such as iron oxide scales and cooling water generated in the rolling process can enter the bearing, and lubricating grease can leak out, so that the non-fatigue damage of the bearing can be caused, the service life of the bearing is shortened, the workload of frequent grease adding of workers and the use amount and discharge amount of the grease can be increased, and the pollution to the environment is caused.
Disclosure of Invention
The invention provides a four-row cylindrical roller bearing of a rolling mill for solving the technical problems, which solves the problems that external foreign matters enter the bearing, lubricating grease leaks and the like.
The invention relates to a rolling mill double-row cylindrical roller bearing, which comprises an outer ring, an inner ring, a roller, a retainer cover and a pin, wherein the outer ring is fixedly connected with the inner ring; wherein, both sides of the outer diameter of the outer ring are rounded off, the middle part is provided with an arc groove, and oil injection holes pointing to the circle center are uniformly distributed in the arc groove; two cylindrical roller paths are symmetrically distributed in the inner hole of the outer ring, each roller path is provided with two arc grooves, and two sides of the inner hole of the outer ring are both rounded; both sides of the inner ring outer diameter and the inner hole are rounded; the retainer cover is fastened on the retainer by pins and plays a role in fixing the roller. The outer ring of the bearing is in interference fit with the assembly hole in the rolling mill base body, an oil injection passage is arranged on the assembly hole in the rolling mill base body, lubricating oil is injected into the arc groove in the middle of the outer wall of the outer ring of the bearing through the oil injection passage, and the lubricating oil is injected into the bearing through the oil injection hole in the arc groove.
Compared with the prior art, the invention has the following advantages: the friction is greatly reduced, the lubricating condition is improved, the lubricating quality is improved, the friction heating and the energy consumption loss are reduced, and the service life of the bearing is greatly prolonged.
Drawings
FIG. 1 is a sectional view of a bearing according to the present invention;
FIG. 2 is a cross-sectional view of the double raceway outer ring of the bearing of the present invention;
fig. 3 is a front view of the bearing cage of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the rolling mill double-row cylindrical roller bearing of the invention comprises an outer ring 1, an inner ring 2, rollers 3, a retainer 4, a retainer cover 5 and pins 6; both sides of the outer diameter of the outer ring (1) are rounded, the middle of the outer diameter is provided with an arc groove, and oil injection holes pointing to the circle center are uniformly distributed in the arc groove; two cylindrical roller paths are symmetrically distributed in the inner hole of the outer ring 1, each roller path is provided with two arc grooves, and two sides of the inner hole of the outer ring 1 are both rounded; both sides of the outer diameter and the inner hole of the inner ring 2 are rounded; the cage cover 5 is fastened to the cage 4 by a pin 6, and fixes the roller 3.
A preferred embodiment: taking a rolling mill double-row cylindrical roller bearing with the nominal outer diameter of 310mm as an example, the nominal width of the bearing is 157 mm; the radius of the arc groove is 10mm, and the width of the arc groove is 9.5 mm; the number of the oil holes is 4, and the diameter of the oil holes is 5 mm. The oil holes are beneficial to timely input and exchange of lubricant, so that friction is reduced, lubrication is improved, and friction heating and energy consumption loss are reduced.
Claims (1)
1. A rolling mill double-row cylindrical roller bearing is characterized in that: comprises an outer ring (1), an inner ring (2), a roller (3), a retainer (4), a retainer cover (5) and a pin (6); wherein,
both sides of the outer diameter of the outer ring (1) are rounded, the middle of the outer diameter is provided with an arc groove, and oil injection holes pointing to the circle center are uniformly distributed in the arc groove; two cylindrical roller paths are symmetrically distributed in the inner hole of the outer ring (1), each roller path is provided with two arc grooves, and two sides of the inner hole of the outer ring (1) are both rounded;
both sides of the outer diameter and the inner hole of the inner ring (2) are rounded;
the retainer cover (5) is fastened on the retainer (4) by a pin (6) and plays a role in fixing the roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810230222A CN101769309A (en) | 2008-12-26 | 2008-12-26 | Rolling mill double-row cylinder roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810230222A CN101769309A (en) | 2008-12-26 | 2008-12-26 | Rolling mill double-row cylinder roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101769309A true CN101769309A (en) | 2010-07-07 |
Family
ID=42502353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810230222A Pending CN101769309A (en) | 2008-12-26 | 2008-12-26 | Rolling mill double-row cylinder roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101769309A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606625A (en) * | 2012-03-28 | 2012-07-25 | 袁伟民 | Double-column backing bearing |
| CN103047274A (en) * | 2012-10-25 | 2013-04-17 | 王守彬 | Mute tip cone roller bearing |
| CN103122926A (en) * | 2013-02-06 | 2013-05-29 | 洛阳轴研科技股份有限公司 | Supporting roller bearing |
| CN104019135A (en) * | 2014-05-08 | 2014-09-03 | 洛阳德润精密机床轴承有限公司 | Double-row short cylindrical roller bearing with outer ring provided with arc-shaped grease filling groove |
| CN104033490A (en) * | 2014-05-08 | 2014-09-10 | 洛阳德润精密机床轴承有限公司 | Bidirectional thrust angular-contact ball bearing with outer ring possessing grease injection groove |
| CN107605940A (en) * | 2017-10-24 | 2018-01-19 | 无锡民联汽车零部件有限公司 | Double raceway tapered roller bearings |
-
2008
- 2008-12-26 CN CN200810230222A patent/CN101769309A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606625A (en) * | 2012-03-28 | 2012-07-25 | 袁伟民 | Double-column backing bearing |
| CN103047274A (en) * | 2012-10-25 | 2013-04-17 | 王守彬 | Mute tip cone roller bearing |
| CN103122926A (en) * | 2013-02-06 | 2013-05-29 | 洛阳轴研科技股份有限公司 | Supporting roller bearing |
| CN103122926B (en) * | 2013-02-06 | 2016-06-22 | 洛阳轴研科技股份有限公司 | A kind of supporting rollern bearing |
| CN104019135A (en) * | 2014-05-08 | 2014-09-03 | 洛阳德润精密机床轴承有限公司 | Double-row short cylindrical roller bearing with outer ring provided with arc-shaped grease filling groove |
| CN104033490A (en) * | 2014-05-08 | 2014-09-10 | 洛阳德润精密机床轴承有限公司 | Bidirectional thrust angular-contact ball bearing with outer ring possessing grease injection groove |
| CN107605940A (en) * | 2017-10-24 | 2018-01-19 | 无锡民联汽车零部件有限公司 | Double raceway tapered roller bearings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100707 |