CN203023306U - High-temperature-resistant self-lubricating bearing for steel rolling roller way - Google Patents
High-temperature-resistant self-lubricating bearing for steel rolling roller way Download PDFInfo
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- CN203023306U CN203023306U CN 201220585751 CN201220585751U CN203023306U CN 203023306 U CN203023306 U CN 203023306U CN 201220585751 CN201220585751 CN 201220585751 CN 201220585751 U CN201220585751 U CN 201220585751U CN 203023306 U CN203023306 U CN 203023306U
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- bearing
- lubricating
- temperature
- resistant self
- outer ring
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Abstract
The utility model discloses a high-temperature-resistant self-lubricating bearing for a steel rolling roller way. The high-temperature-resistant self-lubricating bearing comprises a bearing pedestal, a roller shaft and a bearing upper cover, wherein the shaft neck position of the roller shaft is provided with a tapered expanding cover, and a bearing bush is arranged on the expanding cover; one side of the bearing bush is provided with a movable gasket, and is fixed by a round nut in a screwing way; and a sliding bearing outer ring which is milled with the bearing bush is arranged on the bearing bush, and the outer ring is axially positioned by end covers arranged at two ends of the bearing pedestal. An antifriction bearing is replaced by the sliding bearing, so that the high-temperature-resistant self-lubricating bearing is better in practical value and economic value. The tapered expanding cover is preinstalled on the shaft neck, the 1: 15 taper is adopted, and a locking gasket is matched with a circular-head nut, so that the bearing bush is fixedly arranged at the shaft neck position. The bearing bush rotates along with the whole body of the shaft, so that the semi-circular surface friction work of the sliding bearing can be avoided, the wear rate can be reduced, and the service life of the bearing bush can be prolonged, i.e. the service life of the bearing is 6-9 times as long as the service life of a conventional bearing. The high-temperature-resistant self-lubricating bearing is very good in practical applicability and economical efficiency.
Description
Technical field
The utility model relates to technical field of bearings, is specifically related to a kind of roller bed high temp resistance self-lubricating bearing.
Background technique
The development of science and technology, the friction under high temperature condition, wearing and tearing and lubrication problem receive publicity day by day.Iron and steel, metallurgy industry are in the running state of low speed, heavy duty mostly for delivery of the steel rolling roller of the hot ingot of height, line, bar, heat is conducted, thermal-radiating temperature is very high, reaches as high as 900 ~ 1000 ℃.Generally be difficult to form stable oil film in its friction pair bearing, or lubricant oil, fat carbonization lost efficacy.Particularly machinery is in many bisques, iron rust, lower time of rugged environment of water or water vapour is arranged, and causes bearing to turn round, and sharp wear causes the axle stuck phenomenon and happens occasionally, and greatly reduces working life; Its greasy dirt leakage phenomenon is serious simultaneously, not only easily pollute and poison environment, and oil consumption, power consumption and materials consumption is all very large, the Integrated using high cost.Therefore in order to ensure its normal operation, adopt the sliding bearing of high-temp. resistant self-lubricating compound material preparation to replace rolling bearing, high use value and economic value arranged.
In CN29376l9Y, a kind of sliding bearing is disclosed, adopt joint shaft bearing class assembling form, but under mal-condition, the aggravation of the bearing bush abrasion of bearing, cambered surface very quick-wearing lost efficacy, and axial float is larger, and maintenance mounting or dismounting inconvenience.
In CN258019lY, a kind of sliding bearing is disclosed, bore area coating lead, tin, Cuprum alloy antifriction layer at acieral antifriction material matrix can be worn pressure break very soon under high temperature heavy load and lose efficacy.In addition, in use, in case antifriction layer is destroyed, can cause steel backing to contact with the direct of axle journal, cause the badly damaged of axle journal matching surface.
The model utility content
Goal of the invention: for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of roller bed high temp resistance self-lubricating bearing, and making it have high temperature can be wear-resisting, antifriction and able to quickly change mounting or dismounting, particularly avoids the direct wearing and tearing of axle journal.
Technological scheme: for achieving the above object, the technical solution used in the present invention is as follows:
A kind of roller bed high temp resistance self-lubricating bearing comprises bearing support, roller axle and bearing upper cover; Axle journal position in described roller axle is provided with the tapered expansion cover, is provided with bearing shell on expansion sleeve; A side at bearing shell is installed mobile gasket, tightens fixing by round nut; Be provided with on bearing shell and the sliding bearing outer ring of bearing shell to mill, described outer ring is by the end cap axially locating at bearing support two ends.
Described expansion sleeve adopts the tapering of 1:15.
Described outer ring is the high-sulfur alloy steel axle sleeve.
The material of described bearing shell is powder metallurgy preparing high-temp Ni-Cr-W based composites.
Beneficial effect: compared with prior art, the major advantage that the utlity model has comprises: adopt sliding bearing to replace rolling bearing that more excellent practicality and economic value are arranged.Adopted on axle journal prepackage tapered expansion cover, adopted the tapering of 1:15, supporting locked spacer and cheese head screw are fixed on the axle journal position with bearing shell.Making bearing shell with the axle integral-rotation, avoid sliding bearing semi circular surface friction work, reduced wear rate, improved the bearing shell operating life, is 6 ~ 9 times of traditional bearing.Have good practicability and Economy.
Description of drawings
Fig. 1 is the structural representation that roller bed is used high temp resistance self-lubricating bearing;
Fig. 2 is the structural representation of the roller axle that assembles.
Embodiment
Further illustrate the present invention below in conjunction with accompanying drawing, the present embodiment is implemented under take technical solution of the present invention as prerequisite, should understand these modes and only be used for explanation the present invention and be not used in and limit the scope of the invention.
As depicted in figs. 1 and 2, the roller bed high temp resistance self-lubricating bearing mainly is made of bearing support 1, the roller axle 2 that assembles and bearing upper cover 3 these three parts.Wherein, tapered opening expansion sleeve 8 cover top bearing shells 7 are adopted in the axle journal position of roller axle, then install locked spacer 5 additional, with round nut 4, it are tightened fixingly, with bearing shell, the sliding bearing outer ring 6 of mill are passed through the end cap axially locating at bearing support two ends.Realize unidirectional the fixing of roller axle system, the other end bearing support combination with axle system forms whole axially locating, realizes the pure rotational freedom of roller axle.The material of its intermediate bushing 7 is powder metallurgy preparing high-temp Ni-Cr-W based composites, and outer ring 6 is the high-sulfur alloy steel axle sleeve.
The steel rolling conveying roller in high temperature, heavy duty, have under dust operating mode operating conditions, many bisques, iron rust are often arranged in working procedure, the engaging friction secondary surfaces such as water or water vapour, unstable wear are arranged.And be applied to the running state that metallurgical heavy duty equipment is in high temperature, low speed, heavy duty mostly, generally be difficult to form stable oil film in the bearing of its friction pair, therefore in order to ensure its normal operation, high to the greasy property requirement of bearing.Powder metallurgy preparation process is adopted in this novel invention, prepares high temperature resistant Ni-Cr-W base Alloy bearing liner, take Ni-Cr, Ni-Mo etc. as reinforcing phase, adds nanometer MoS
2, WS
2, Graphite is the selflubricating constituent element.
Traditional rolling bearing causes the life-span lower because of rugged environment, and oil consumption, power consumption and materials consumption are all very large, and the Integrated using high cost adopts sliding bearing to replace rolling bearing that more excellent practicality and economic value are arranged.Be the protection roller axle, corresponding friction pair can not be bearing shell and axle journal, takes into account again assembling with easy to maintenance.Adopted on axle journal prepackage tapered expansion cover, adopted the tapering of 1:15, supporting locked spacer and cheese head screw are fixed on the axle journal position with bearing shell.Making bearing shell with the axle integral-rotation, avoid sliding bearing semi circular surface friction work, reduced wear rate, improved the bearing shell operating life, is 6 ~ 9 times of traditional bearing.For preventing that roller axle from being axial float, the interior pore area location ladder of design sliding bearing outer ring, bearing outer ring is by the bearing (ball) cover location of bearing support both sides.
Claims (4)
1. a roller bed high temp resistance self-lubricating bearing, comprise bearing support (1), roller axle (2) and bearing upper cover (3); It is characterized in that: the axle journal position in described roller axle (2) is provided with tapered expansion cover (8), is provided with bearing shell (7) on expansion sleeve (8); A side at bearing shell (7) is installed mobile gasket (5), tightens fixing by round nut (4); Be provided with on bearing shell (7) and the sliding bearing outer ring (6) of bearing shell (7) to mill, described outer ring (6) are by the end cap axially locating at bearing support (1) two ends.
2. roller bed high temp resistance self-lubricating bearing according to claim 1, is characterized in that: the tapering of described expansion sleeve (8) employing 1:15.
3. roller bed high temp resistance self-lubricating bearing according to claim 1 is characterized in that: described outer ring (6) are the high-sulfur alloy steel axle sleeve.
4. roller bed high temp resistance self-lubricating bearing according to claim 1, it is characterized in that: the material of described bearing shell (7) is powder metallurgy preparing high-temp Ni-Cr-W based composites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585751 CN203023306U (en) | 2012-11-08 | 2012-11-08 | High-temperature-resistant self-lubricating bearing for steel rolling roller way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220585751 CN203023306U (en) | 2012-11-08 | 2012-11-08 | High-temperature-resistant self-lubricating bearing for steel rolling roller way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203023306U true CN203023306U (en) | 2013-06-26 |
Family
ID=48647295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220585751 Expired - Fee Related CN203023306U (en) | 2012-11-08 | 2012-11-08 | High-temperature-resistant self-lubricating bearing for steel rolling roller way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203023306U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576621A (en) * | 2020-12-25 | 2021-03-30 | 飞瑞航空科技（江苏）有限公司 | Single-rotor unmanned helicopter tail transmission shaft supporting mechanism |
| CN112983978A (en) * | 2021-02-05 | 2021-06-18 | 西安科技大学 | Flexible sliding bearing based on 3D printing and manufacturing method thereof |
| CN114909393A (en) * | 2022-03-19 | 2022-08-16 | 山东蓝宇精密轴承制造有限公司 | Self-pretightening large-caliber double-row angular contact ball bearing |
-
2012
- 2012-11-08 CN CN 201220585751 patent/CN203023306U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576621A (en) * | 2020-12-25 | 2021-03-30 | 飞瑞航空科技（江苏）有限公司 | Single-rotor unmanned helicopter tail transmission shaft supporting mechanism |
| CN112983978A (en) * | 2021-02-05 | 2021-06-18 | 西安科技大学 | Flexible sliding bearing based on 3D printing and manufacturing method thereof |
| CN114909393A (en) * | 2022-03-19 | 2022-08-16 | 山东蓝宇精密轴承制造有限公司 | Self-pretightening large-caliber double-row angular contact ball bearing |
| CN114909393B (en) * | 2022-03-19 | 2024-01-09 | 山东蓝宇精密轴承制造有限公司 | Self-pretightening double-row angular contact ball bearing with large caliber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20191108 |