CN201047399Y - Roller retainer structure of roller bearing - Google Patents
Roller retainer structure of roller bearing Download PDFInfo
- Publication number
- CN201047399Y CN201047399Y CNU2007200049850U CN200720004985U CN201047399Y CN 201047399 Y CN201047399 Y CN 201047399Y CN U2007200049850 U CNU2007200049850 U CN U2007200049850U CN 200720004985 U CN200720004985 U CN 200720004985U CN 201047399 Y CN201047399 Y CN 201047399Y
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- CN
- China
- Prior art keywords
- roller
- roller cage
- bearing
- type
- utility
- 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.)
- Ceased
Links
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 19
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 19
- 239000004033 plastic Substances 0.000 claims abstract description 16
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 13
- 239000006223 plastic coating Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000005253 cladding Methods 0.000 abstract 1
- 239000011247 coating layer Substances 0.000 description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052802 copper Inorganic materials 0.000 description 11
- 239000010949 copper Substances 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 4
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 Polytetrafluoroethylene Polymers 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011536 re-plating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009183 running Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a roller retainer structure of roller bearing, its characterized in that the body surface coating one deck of roller retainer contains the plastics of polyether ether ketone (PEEK), borrows this plastics cladding layer that contains polyether ether ketone can remain on the surface of roller retainer for a long time in use, therefore prolongs the live time of roller retainer to realize delaying the purpose of bearing outer rail surface wearing and tearing.
Description
Technical field
The utility model relates to a kind of roller cage structure of roller bearing, more particularly, relates to a kind of bent axle/linkage mechanism interior roller cage structure improvement of roller bearing.
Background technique
Roller bearing (roller bearing) has extensively been applied in various bent axle/connecting rods (crankshaft/connecting rod) mechanism.Its roller (rollingelement) diameter is that the following person of 6mm (containing) also is called as needle bearing (needle rollerbearing) in the roller bearing.Because the structure of needle bearing and roller bearing is identical in the utility model, so follow-up described roller bearing will also be represented needle bearing.
Seeing also Fig. 1, is the application schematic representation of general roller bearing.The typical use of roller bearing 10 is to be used in the tie rod holes 21 of connecting rod (connectingrod) 20 1 ends in the internal combustion engines such as motorcycle, mowing machine and the intersection of the bent axle tip (crank pin) 40.This roller bearing 10 is positioned at the non-central place of the bent axle (crank shaft) 30 that two disks form, and bent axle 30 both sides are respectively equipped with central shaft 31.The characteristics of roller bearing 10 are only to comprise roller 12 and 11 two kinds of parts of roller cage, and utilize the outside track face 22 of the internal surface of tie rod holes 21 as roller bearing 10, utilize the inner orbit of the bent axle tip 40 as roller bearing 10.
See also Fig. 2 to Fig. 5, they are bent axle/linkage mechanism organigrams with roller bearing 10, and it includes one with metallic roller cage 11 and a plurality of roller 12 circlewise.The pattern of roller cage 11 commonly used is the ring-type of integral type (one piece type), and outer surface 13 centre of contact outside track face 22 are (as shown in Figure 2) of umbilicate type; Or be that the ring-type of integral type and the outer surface 13 of contact outside track face 22 are (as shown in Figure 3) of smooth type; Or be the two semi-rings combination of split type (split type), and outer surface 13 centre of contact outside track face 22 are (as shown in Figure 4) of umbilicate type; Or be the two semi-rings combination of split type, and the outer surface 13 of contact outside track face 22 is (as shown in Figure 5) of smooth type.
Because the roller bearing 10 that bent axle/linkage mechanism is used is positioned at the tie rod holes 21 of connecting rod 20 1 ends and the intersection of the bent axle tip 40, therefore when bent axle 30 runnings, roller bearing 10 has following two kinds of actions simultaneously: (1) is rotatablely moving of center with the bent axle tip 40; (2) along with the bent axle tip 40 around the central shaft 31 of bent axle 30 and turn round.
Because roller bearing 10 is eccentric for the central shaft 31 of bent axle 30, therefore above-mentioned (2) kind motor behavior can make roller bearing 10 be subjected to centrifugal force, and roller cage 11 is constantly rubbed be positioned on the connecting rod 20 internal surface, and then cause the abrasion of outside track face 22 as the tie rod holes 21 of bearing outside track face 22.For delaying this kind abrasion, conventional method be on the outer surface 13 of roller cage 11 with plating mode lining copper layer or lining copper layer after again by silver-coated layer, delay the abrasion of outside track face 22 by consuming this softer copper/silver-colored coating.
Above-mentioned had following shortcoming by the method for silver-coated layer again behind lining copper layer on the outer surface 13 of roller cage 11 or lining copper layer, that is, cost an arm and a leg, and can produce hydrogen embrittlement (Hydrogen Embrittlement in the electroplating process; HE) problem often causes roller cage 11 damage of in use breaking.
In view of the copper layer or the lining copper layer of outer surface 13 lining of aforementioned roller cage 11 are being made and the problem of using with silver layer, the utility model designer is by the many years of experience of its production and marketing bearing, constantly makes great efforts research and improves, and develops the utility model finally.
The model utility content
Main purpose of the present utility model provides a kind of roller cage, with a kind of polyether-ether-ketone (Polyetheretherketones that contains; PEEK) plastic covering is in the surface of roller cage, thereby reduces the cost of this roller cage, provides no hydrogen embrittlement (HE) problem durable again roller cage.
Roller cage of the present utility model is characterized in that its structure comprises: the body of roller cage; And overlayed on the body outer surface and contained the plastics coating layer of polyether-ether-ketone (Polyetheretherketones).The thickness of this plastics coating layer is 1 μ m to 50 μ m, and can further comprise following additive: teflon (Polytetrafluoroethylene; PTFE), graphite (Graphite), molybdenum disulfide (Molybdenum Disulfide; MoS
2) and above mixture.
Wherein the body of this roller cage is the ring structure of integral type or split type combination, and this this external surface be umbilicate type and smooth type one of them.
Therefore owing to contain polyether-ether-ketone (Polyetheretherketones; PEEK) performances such as the low hardness of plastics coating layer (hardness is far below HV700～840 of general bearing outside track face), low coefficient of friction (low coefficient of friction), inadhesion (non-stick), wear resistance performance (abrasion resistance), heat-resisting quantity, oil resistance, make the plastics coating layer of lining in use can reside in the surface of roller cage for a long time, prolong the service time of roller cage, and realize delaying the purpose of bearing outside track face abrasion.
Description of drawings
Fig. 1 is the application schematic representation of general roller bearing.
Fig. 2 is that roller cage is that integral type, appearance are the schematic representation of umbilicate type.
Fig. 3 is that roller cage is that integral type, appearance are the schematic representation of smooth type.
Fig. 4 is that roller cage is that split type, appearance are the schematic representation of umbilicate type.
Fig. 5 is that roller cage is that split type, appearance are the schematic representation of smooth type.
Fig. 6 is the sectional schematic diagram of roller bearing of the present utility model.
Embodiment
Relevant detailed description of the present utility model and technology contents, existing accompanying drawings is as follows.
See also shown in Figure 6ly, Fig. 6 is the sectional schematic diagram of roller bearing of the present utility model.
Be plastics coating layer 120 more described in the utility model and the RT of the silver-plated again coating of traditional copper facing on roller cage 100 and the performance that delays the abrasion of bearing outside track face, it is as follows to carry out one group of check experiment:
Test specimen A: at the roller cage outer surface electro-coppering 10 μ m re-platings silver 10 μ m of bearing, total electrodeposited coating thickness is 20 μ m.
Test specimen B: contain the plastics coating layer 120 of polyether-ether-ketone in the lining of the roller cage outer surface of bearing, coating layer thickness is 10 μ m.
Test conditions: bearing turns round with 9000 RPM under the situation of centrifugal force being subjected to, and the centrifugal force that makes roller cage act on bearing outside track face is 95 newton; Relative velocity between roller cage and outside track face is 7.2 meter per seconds; Lubricating oil temperature is 80 ℃; The hardness of bearing outside track face is HV720～750.
Behind 100 hours durable tests, test result:
(1) silver plating layer of the outer surface of test specimen A roller cage all exhausts, and the part copper layer also exhausts; The maximum abrasion loss of bearing outside track face is about 2 microns.
(2) the plastics coating layer of the outer surface of test specimen B roller cage still remains intact; The maximum abrasion loss of bearing outside track face is less than 1 μ m.
Test result to sum up can understand that the RT that adopts the utility model to contain the plastics coating layer 120 of polyether-ether-ketone is better than the silver-plated again mode of traditional copper facing for the RT of the coating layer of roller cage outer surface; For delaying bearing outside track face wear hardness, the plastics coating layer 120 that roller cage 100 linings contain polyether-ether-ketone is better than the silver-plated again mode of traditional copper facing.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model.In the above-described embodiments, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200049850U CN201047399Y (en) | 2007-03-06 | 2007-03-06 | Roller retainer structure of roller bearing |
| JP2009547744A JP2010518799A (en) | 2007-02-05 | 2007-04-26 | bearing |
| EP07732570.2A EP2115310B1 (en) | 2007-02-05 | 2007-04-26 | Bearings |
| CN200780050799.3A CN101657647B (en) | 2007-03-06 | 2007-04-26 | bearing |
| PCT/GB2007/001533 WO2008096097A1 (en) | 2007-02-05 | 2007-04-26 | Bearings |
| US12/449,304 US20100119188A1 (en) | 2007-02-05 | 2007-04-26 | Bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200049850U CN201047399Y (en) | 2007-03-06 | 2007-03-06 | Roller retainer structure of roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201047399Y true CN201047399Y (en) | 2008-04-16 |
Family
ID=39299979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200049850U Ceased CN201047399Y (en) | 2007-02-05 | 2007-03-06 | Roller retainer structure of roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201047399Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588443A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision roller bearing retainer |
| CN102588442A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision ball bearing retainer |
| CN102601579A (en) * | 2011-06-14 | 2012-07-25 | 李东炬 | Production process for high-precision deep groove ball bearings |
| CN103122941A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Process for manufacturing roller bearing cage |
| CN103122424A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Ball bearing retainer production process |
| CN105275996A (en) * | 2014-07-16 | 2016-01-27 | Skf公司 | Crankshaft or connecting-rod bearing assembly of an internal combustion engine |
-
2007
- 2007-03-06 CN CNU2007200049850U patent/CN201047399Y/en not_active Ceased
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102601579A (en) * | 2011-06-14 | 2012-07-25 | 李东炬 | Production process for high-precision deep groove ball bearings |
| CN102588443A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision roller bearing retainer |
| CN102588442A (en) * | 2011-06-15 | 2012-07-18 | 李东炬 | Production process of high-precision ball bearing retainer |
| CN103122941A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Process for manufacturing roller bearing cage |
| CN103122424A (en) * | 2011-11-19 | 2013-05-29 | 大连得达科技发展有限公司 | Ball bearing retainer production process |
| CN105275996A (en) * | 2014-07-16 | 2016-01-27 | Skf公司 | Crankshaft or connecting-rod bearing assembly of an internal combustion engine |
| CN105275996B (en) * | 2014-07-16 | 2019-02-05 | Skf公司 | Crankshaft or connecting rod bearing arrangements for internal combustion engines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140613 Decision number of declaring invalidation: 22957 Granted publication date: 20080416 |
|
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20140613 Decision number of declaring invalidation: 22957 Granted publication date: 20080416 |
|
| IW01 | Full invalidation of patent right |