CN201896860U - Rolling bearing with integral retainer made from carbon graphite or electrographite and retainer - Google Patents
Rolling bearing with integral retainer made from carbon graphite or electrographite and retainer Download PDFInfo
- Publication number
- CN201896860U CN201896860U CN2010205675782U CN201020567578U CN201896860U CN 201896860 U CN201896860 U CN 201896860U CN 2010205675782 U CN2010205675782 U CN 2010205675782U CN 201020567578 U CN201020567578 U CN 201020567578U CN 201896860 U CN201896860 U CN 201896860U
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- retainer
- bearing
- electrographite
- carbon graphite
- roller
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Abstract
A rolling bearing with an integral retainer made from carbon graphite or electrographite comprises a bearing outer ring, an inner ring, a rolling body embedded between an outer ring raceway and an inner ring raceway and a retainer for uniformly separating the rolling body along the circumferential direction, wherein the retainer is integrated by carbon graphite or electrographite tube materials or ring materials through machining. The utility model adopts the integral retainer made from the carbon graphite or the electrographite with high-temperature resistance, low-temperature resistance, corrosion resistance, high strength and excellent self-lubricating property and machining property, so that the retainer is no longer a short slab for restricting the operating temperature upper limit, the operating temperature lower limit and corrosion resistance of the bearing. The integral retainer made from the carbon graphite or the electrographite is used under the environment of ultrahigh temperature, ultralow temperature or strong acid, alkali and salt medium intrusion, in which lubricating oil or lubricating grease is incompetent, so that the bearing does not need to be filled with the lubricating oil or the lubricating grease, and the utility model has great engineering application value.
Description
Technical field
The utility model relates to extraordinary technical field of rolling bearings, particularly a kind of rolling bearing and retainer of making whole retainer with carbon graphite (carbongraphite) or electrographite (electrographite).
Background technique
A lot of main frames of working under high temperature or low temperature environment need its running of bearings of high temperature resistant or low temperature.At present, existing high temperature resistant or low temperature resistant bearing, its lasso and rolling element generally adopt the steel or the pottery of high temperature resistant or low temperature, its oiling agent adopts lubricant oil, lubricating grease or the solid lubricant of high temperature resistant or low temperature, and its retainer generally adopts polytetrafluoroethylene (PTFE), soluble poly tetrafluoroethylene (PFA) or polyether-ether-ketone (PEEK).When under the environment of high especially (being higher than+260 ℃) or low especially (being lower than-60 ℃) temperature or under the environment of strong medium corrosion such as acid, alkali, salt, bearing ring and rolling element can adopt all excellent especially pottery of high temperature performance and corrosion resistance, at this moment, oiling agent and retainer, especially retainer has just become the serviceability temperature scope that restricts a whole set of bearing and the short slab of corrosion resistance.
There is following defective in common in the market high temperature resistant or low temperature resistant rolling bearing:
At first, retainer generally adopts polytetrafluoroethylene (PTFE), soluble poly tetrafluoroethylene (PFA) and polyether-ether-ketone (PEEK) for raw material is made, and it all can not be higher than 260 degree or be lower than the environment of-60 degree or the environment borough chief phase of strong acid-base salt medium invasion and attack stably works.
Secondly, do not have can be at 260 degree above or-60 lubricant oil or the lubricating grease of working steadily in the long term below spending, though and solid lubricant such as graphite etc. can be under above-mentioned particular surroundings stable operation, but it can not evenly cover cloth at bearing working face, and has local the gathering too much and with the danger of rolling element clamping stagnation.
Once more, adopt several graphite rods (or claim spacer block) to replace whole retainer with the separated scheme of each rolling element, have that along the circumferential direction relative position is fixing between each graphite rod, it is asynchronous to move, and then seriously restricts the problem of bearing operation speed.
At last, do not adopt the full complement bearing of retainer, the one, the increase of rolling element number raises obviously the bearing cost, and the 2nd, greatly limited the running speed of bearing, make full complement bearing only be suitable for the environment of ultra low speed operation.
The model utility content
First purpose of the present utility model is to provide a kind of and makes the rolling bearing of whole retainer with carbon graphite or electrographite, all can not be higher than 260 degree or be lower than the environment of-60 degree or environment borough chief phase that the strong acid-base salt medium is attacked stably works and then influences the limited technical matters of whole rolling bearing Environmental Conditions to solve existing retainer material adopts in the prior art polytetrafluoroethylene (PTFE), soluble poly tetrafluoroethylene (PFA) and polyether-ether-ketone (PEEK).
Second purpose of the present utility model is to provide a kind of novel overall retainer that is made with carbon graphite or electrographite, to enlarge the using scope of whole retainer.
A kind of rolling bearing of making whole retainer with carbon graphite or electrographite, comprise rolling element between bearing outer ring, bearing inner race, embedding outer ring raceway and the inner ring raceway and the retainer that rolling element is along the circumferential direction evenly separated, described retainer is to be made into integration by carbon graphite or electrographite, described retainer pocket hole is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the retainer axial slices, described each rolling element is vacant respectively in corresponding pocket hole, and can be provided with the limit stoper that prevents that retainer is shifted vertically in the flat end of the non-opening of the retainer outside.
Preferably, described limit stoper comprise one be arranged on the flat end of the non-opening of the retainer outside and with retainer dust cover separated by a distance.
Preferably, described limit stoper also comprise be arranged on the dust cover outside and with dust cover snap ring or back-up ring separated by a distance.
Preferably, described limit stoper comprise be arranged on the flat end of the non-opening of the retainer outside and with retainer snap ring or back-up ring separated by a distance.
Preferably, the pocket hole of retainer is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the retainer axial slices, and uncovered angle is no more than 60 degree, and the retainer external diameter is less than the outer ring rib diameter, and the retainer internal diameter is greater than the inner ring rib diameter, and the retainer width is less than bearing width.
Preferably, rolling element is one of them of ball, cylindrical roller, tapered roller, needle roller, spherical roller and spiral roller or makes up, corresponding retainer is one of them or combination of ball retainer, cylindrical roller retainer, tapered roller retainer, needle roller retainer, spherical roller retainer and the spiral roller retainer made by carbon graphite or electrographite, and corresponding bearing can be ball bearing, roller bearing, tapered roller bearing, needle bearing, spheric roller bearing and a spiral roller bearing of making whole retainer with carbon graphite or electrographite.
Preferably, according to bearing size dimension difference, the axial distance of dust cover, snap ring or back-up ring and the flat end of described retainer is 5 microns to 5000 millimeters.
A kind of cage for rolling bearing, it is made into integration by carbon graphite or electrographite, and the pocket hole of described retainer is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the axial slices of retainer.
Preferably, the retainer material comprises carbon graphite, resin impregnation carbon graphite, salt impregnated carbon graphite, metal impregnation carbon graphite, electrographite, resin impregnation electrographite, salt dipping electrographite and metal impregnation electrographite.
Preferably, when the pocket hole of retainer outside the axial slices of retainer is shaped as during uncovered type, uncovered angle is no more than 60 degree.
Compared with prior art, the utility model adopts good carbon graphite or the electrographite of mechanical processing characteristic to make whole retainer, make a whole set of bearing be higher than 260 degree or to be lower than the environment of-60 degree or the environment borough chief phase of strong acid-base salt medium invasion and attack stably works, simultaneously, carbon graphite and electrographite itself have good self-lubricating property, under the environment of lubricant oil and the inefficient superhigh temperature of lubricating grease, ultralow temperature and the invasion and attack of strong acid-base salt medium, can not annotate lubricant oil or lubricating grease and guarantee that rolling bearing can normally stably work.
Description of drawings
Fig. 1 is the sectional drawing of rolling bearing;
Fig. 2 is the three-dimensional structure diagram of retainer;
Fig. 3 is the structural drawing of retainer;
Fig. 4 is the axial slices figure in the single pocket hole of retainer.
Embodiment
Below in conjunction with accompanying drawing, describe the utility model in detail.
Use corresponding raw material and preparation process, can produce carbon graphite and electrographite.The claimant finds that carbon graphite and electrographite all have good characteristics such as high temperature resistant, low temperature resistant, anticorrosive.The claimant is applied to rolling bearing with carbon graphite and electrographite, to solve existing rolling bearing retainer is the short slab effect under high temperature, low temperature or strong corrosive medium technical problem.But, traditional high-low temperature resistant bearing cage generally is to be made by polytetrafluoroethylene (PTFE), soluble poly tetrafluoroethylene (PFA) or these materials of polyether-ether-ketone (PEEK) at present, these materials itself have certain elasticity, therefore, the closing in shape of opening width less than the rolling element diameter can be made in the pocket hole of retainer, so that rolling element is contained in vacancy in the pocket hole, and fix by opening.And in the utility model, because the physicochemical property of carbon graphite and electrographite self, the retainer that is made can not be made different shape arbitrarily to reach the purpose that keeps rolling element.For this reason, the claimant has carried out the improvement on the corresponding structure to retainer.
See also Fig. 1-4, a kind of rolling bearing of making whole retainer with carbon graphite or electrographite, the retainer 4 that comprises bearing outer ring 1, bearing inner race 2, embeds the rolling element 3 between outer ring raceway and the inner ring raceway and rolling element 3 is along the circumferential direction evenly separated, retainer 4 is to be made into integration by carbon graphite or electrographite, and the pocket hole 41 of described retainer 4 is along the straight shape of the mouth as one speaks of being shaped as of retainer axial slices or outer uncovered type.Each rolling element 3 is vacant respectively in corresponding pocket hole 41, can be provided with the limit stoper that prevents that retainer 4 is shifted vertically in flat end 42 outsides of retainer 4.The main purpose of limit stoper is to prevent that retainer is axially displaced, the function that forfeiture is evenly separated along the bearing circumferencial direction rolling element 3.The structure that realizes this limit function is very many, below illustrates.
Limit stoper can only comprise that one is arranged on the dust cover 5 of retainer 4 flat end 42 1 sides, and this dust cover 5 is fixed together by impact style and bearing outer ring 1, to the axially displaced restriction that plays of retainer 4.Limit stoper can also comprise dust cover 5 and be arranged on the snap ring 6 or the back-up ring in dust cover 5 outsides, to reach better fixing effect.In addition, need to prove that dust cover prevents that foreign from entering the effect of bearing cavity playing to prevent from also to play when retainer is shifted vertically.Limit stoper also can only comprise snap ring 6 or the back-up ring that is arranged on the flat end of retainer 42 outsides.And, varying in size according to bearing size, the axial distance of dust cover, snap ring or back-up ring and the flat end of described retainer is 5 microns to 5000 millimeters.
The material of retainer 4 comprises carbon graphite, resin impregnation carbon graphite, salt impregnated carbon graphite, metal impregnation carbon graphite, electrographite, resin impregnation electrographite, salt dipping electrographite and metal impregnation electrographite.
Because the physicochemical property of carbon graphite or electrographite self, the pocket hole 41 of retainer is set to the straight shape of the mouth as one speaks or outer uncovered type along the retainer direction of axis line, the external diameter of retainer 4 is less than the rib diameter of outer ring 1, the internal diameter of retainer 4 is greater than the rib diameter of inner ring 2, and the width of retainer 4 is less than bearing width.
In addition, rolling element 3 can be one of them or combination of ball, cylindrical roller, tapered roller, needle roller, spherical roller and spiral roller, and corresponding retainer is one of them or combination of ball retainer, cylindrical roller retainer, tapered roller retainer, needle roller retainer, spherical roller retainer and the spiral roller retainer made by carbon graphite or electrographite.Corresponding bearing can be ball bearing, roller bearing, tapered roller bearing, needle bearing, spheric roller bearing and a spiral roller bearing of making whole retainer with carbon graphite or electrographite.
Under high temperature, hyperthermal environments, if the material of inner ring and outer ring adopts High tem perature steel or pottery, the material of rolling element adopts pottery, the whole retainer that uses carbon graphite or electrographite to make, the rolling bearing of the oiling agent of not annotating can stably be worked in the environment midium or long term that is higher than 260 degree or is lower than media invasion and attack such as-60 degree or strong acid alkali salt.Because the ability of medium invasion and attack that carbon graphite or electrographite are high temperature resistant, low temperature resistant, anti-is strong, and has a good self-lubricating property, therefore, the retainer made from carbon graphite or electrographite, can select the filling or the oiling agent of not annotating, greatly improved the ability of the high low temperature resistance range of rolling bearing and anti-medium invasion and attack, prolonged rolling bearing greatly under high temperature, the hyperthermal environments or under the low temperature, ultra-low temperature surroundings or the working life under the strong medium invasion and attack environment such as soda acid salt.
More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection domain.
Claims (10)
1. rolling bearing of making whole retainer with carbon graphite or electrographite, comprise rolling element between outer ring, inner ring, embedding outer ring raceway and the inner ring raceway and the retainer that rolling element is along the circumferential direction evenly separated, it is characterized in that, described retainer is to be made into integration by carbon graphite or electrographite, described retainer pocket hole is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the retainer axial slices, described each rolling element is vacant respectively in corresponding pocket hole, and can be provided with the limit stoper that prevents that retainer is shifted vertically in the flat end of the non-opening of the retainer outside.
2. rolling bearing as claimed in claim 1 is characterized in that, described limit stoper comprise one be arranged on the flat end of the non-opening of the retainer outside and with flat end dust cover separated by a distance.
3. rolling bearing as claimed in claim 2 is characterized in that, described limit stoper also comprise be arranged on the dust cover outside and with dust cover snap ring or back-up ring separated by a distance.
4. rolling bearing as claimed in claim 1 is characterized in that, described limit stoper comprise be arranged on the flat end of the non-opening of the retainer outside and with retainer snap ring or back-up ring separated by a distance.
5. rolling bearing as claimed in claim 1, it is characterized in that, the pocket hole of retainer is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the retainer axial slices, uncovered angle is no more than 60 degree, the retainer external diameter is less than the outer ring rib diameter, the retainer internal diameter is greater than the inner ring rib diameter, and the retainer width is less than bearing width.
6. rolling bearing as claimed in claim 1, it is characterized in that, rolling element is a ball, cylindrical roller, tapered roller, needle roller, one of them of spherical roller and spiral roller or combination, the ball retainer of corresponding retainer for making by carbon graphite or electrographite, the cylindrical roller retainer, the tapered roller retainer, the needle roller retainer, one of them of spherical roller retainer and spiral roller retainer or combination, corresponding bearing can be a ball bearing of making retainer with carbon graphite or electrographite, roller bearing, tapered roller bearing, needle bearing, spheric roller bearing and spiral roller bearing.
7. rolling bearing as claimed in claim 1 is characterized in that, according to the bearing size size, the axial distance of dust cover, snap ring or back-up ring and the flat end of described retainer is 5 microns to 5000 millimeters.
8. a cage for rolling bearing is characterized in that, it is made into integration by carbon graphite or electrographite, and the pocket hole of described retainer is shaped as the straight shape of the mouth as one speaks or outer uncovered type along the axial slices of retainer.
9. retainer as claimed in claim 8 is characterized in that, the retainer material comprises resin impregnation carbon graphite, salt impregnated carbon graphite, metal impregnation carbon graphite, resin impregnation electrographite, salt dipping electrographite and metal impregnation electrographite.
10. retainer as claimed in claim 8 is characterized in that, when the pocket hole of retainer outside the axial slices of retainer is shaped as during uncovered type, uncovered angle is no more than 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205675782U CN201896860U (en) | 2010-10-19 | 2010-10-19 | Rolling bearing with integral retainer made from carbon graphite or electrographite and retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205675782U CN201896860U (en) | 2010-10-19 | 2010-10-19 | Rolling bearing with integral retainer made from carbon graphite or electrographite and retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896860U true CN201896860U (en) | 2011-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205675782U Expired - Lifetime CN201896860U (en) | 2010-10-19 | 2010-10-19 | Rolling bearing with integral retainer made from carbon graphite or electrographite and retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896860U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052395A (en) * | 2010-10-19 | 2011-05-11 | 上海斐赛轴承科技有限公司 | Rolling bearing taking carbon graphite or electrographite as integral holder and manufacturing method thereof |
| CN102518651A (en) * | 2011-12-20 | 2012-06-27 | 上海斐赛轴承科技有限公司 | Maintenance-free sensitive rolling bearing for flow meters and its making method |
| CN102537083A (en) * | 2012-01-11 | 2012-07-04 | 上海斐赛轴承科技有限公司 | Maintenance-free high-sensitivity separator roll bearing and manufacturing method thereof |
| CN102852977A (en) * | 2012-08-30 | 2013-01-02 | 上海斐赛轴承科技有限公司 | Enclosed carbon graphite retainer antifriction bearing and manufacturing method |
| CN103867576A (en) * | 2012-12-14 | 2014-06-18 | 上海新力动力设备研究所 | Integral-type steel ball bracket device of rolling ball socket swing jet pipe |
-
2010
- 2010-10-19 CN CN2010205675782U patent/CN201896860U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052395A (en) * | 2010-10-19 | 2011-05-11 | 上海斐赛轴承科技有限公司 | Rolling bearing taking carbon graphite or electrographite as integral holder and manufacturing method thereof |
| CN102518651A (en) * | 2011-12-20 | 2012-06-27 | 上海斐赛轴承科技有限公司 | Maintenance-free sensitive rolling bearing for flow meters and its making method |
| CN102537083A (en) * | 2012-01-11 | 2012-07-04 | 上海斐赛轴承科技有限公司 | Maintenance-free high-sensitivity separator roll bearing and manufacturing method thereof |
| CN102852977A (en) * | 2012-08-30 | 2013-01-02 | 上海斐赛轴承科技有限公司 | Enclosed carbon graphite retainer antifriction bearing and manufacturing method |
| CN102852977B (en) * | 2012-08-30 | 2015-09-09 | 上海斐赛轴承科技有限公司 | Split assembled enclosed carbon graphite retainer rolling bearing and making method |
| CN103867576A (en) * | 2012-12-14 | 2014-06-18 | 上海新力动力设备研究所 | Integral-type steel ball bracket device of rolling ball socket swing jet pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110713 Effective date of abandoning: 20130911 |
|
| RGAV | Abandon patent right to avoid regrant |