CN202612386U - Multi-row combination ball bearing - Google Patents
Multi-row combination ball bearing Download PDFInfo
- Publication number
- CN202612386U CN202612386U CN2012201906999U CN201220190699U CN202612386U CN 202612386 U CN202612386 U CN 202612386U CN 2012201906999 U CN2012201906999 U CN 2012201906999U CN 201220190699 U CN201220190699 U CN 201220190699U CN 202612386 U CN202612386 U CN 202612386U
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- China
- Prior art keywords
- seat ring
- blowout patche
- ball bearings
- bearing
- combination ball
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a multi-row combination ball bearing. The multi-row combination ball bearing comprises a shaft ring in fit with a shaft, a seat ring in fit with a shell, and a steel ball arranged between the shaft ring and the seat ring, wherein a nanometer alloy coating is further disposed on a raceway face of the shaft ring. According to the multi-row combination ball bearing, the nanometer alloy coating is additionally disposed on the raceway face of the shaft ring, and therefore hardness of the raceway face of the shaft ring is improved so that abrasion resistance of the raceway face of the shaft ring is improved, and continuous service life of the bearing is prolonged.
Description
Technical field
The utility model relates to special bearing manufacturing technology field, more particularly, relates to a kind of many row's combination ball bearings.
Background technique
At present, many row's combination ball bearings are mainly used in the helicoid hydraulic motor of petroleum production, wellbore construction.Helicoid hydraulic motor be a kind of be power with the drilling fluid, can transfer fluid pressure to the positive displacement mud motor of mechanical energy, the life-span that its used bearing direct relation cartridge.The cartridge of this drilling tool is when work; Bearing not only need bear huge hydraulic load; Also can receive the effect of drill bit drilling rod deadweight power, the existing axial force of these power also has certain footpath load; So require bearing must have very big bearing capacity, therefore this helicoid hydraulic motor generally adopts many row's combination ball bearings at present.
Many row's combination ball bearings mainly comprise: be used for and a blowout patche that cooperates, be used for the seat ring that cooperates with shell and be arranged on blowout patche and seat ring between steel ball.Because the used bearing of helicoid hydraulic motor is more abominable in the operating conditions of down-hole, but also receive the drag effect of mud, cause abrasive wear serious.Though many rows of existing technology combination bearing overall structure performance is good, because of its blowout patche and seat ring all adopt the 42CrMo steel behind heat-treatment quenching, to process, hardness is lower, and when work, contacts for line between steel ball and blowout patche, the seat ring; So in abrasive wear, blowout patche, seat ring raceway are more easy to wear, cause the bearing continuous operation life-span to be reduced.
In addition, the reduction in bearing working life-span has not only increased drilling cost; And installation time is changed in the repairing that has increased the drilling tool parts; Reduce drilling efficiency, shortened the overall operation life-span simultaneously, can not satisfy the whole usage requirement of domestic straight well, deep drilling drilling tool.
In sum, how a kind of many row's combination ball bearings being provided, improving its wear resistance, and then prolonging the continuous operation life-span of this bearing, is the technical problem that present those skilled in the art need to be resolved hurrily.
The model utility content
In view of this, the purpose of the utility model is to provide a kind of many row's combination ball bearings, improving its wear resistance, and then prolongs the continuous operation life-span of this bearing.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of many row's combination ball bearings comprise: be used for and a blowout patche that cooperates, be used for the seat ring that cooperates with shell and be arranged on said blowout patche and said seat ring between steel ball; Also be provided with the Nanoalloy coating on the roller surface of said blowout patche.
Preferably, in above-mentioned many row's combination ball bearings, also be provided with the Nanoalloy coating on the roller surface of said seat ring.
Preferably, in above-mentioned many row's combination ball bearings, be provided with the Nanoalloy coating on contacted of said blowout patche and the said seat ring.
Preferably, in above-mentioned many row's combination ball bearings, the thickness of said Nanoalloy coating is 1-2mm.
Preferably, in above-mentioned many row's combination ball bearings, said Nanoalloy coating combines with the matrix steel of said blowout patche or said seat ring through the mode of cladding.
Preferably, in above-mentioned many row's combination ball bearings, said steel ball employing is completely adorned spherical structure and is arranged between said blowout patche and the said seat ring.
Preferably, in above-mentioned many row's combination ball bearings, these many row's combination ball bearings are seven row's combination ball bearings.
Many rows that the utility model provides make up ball bearing and comprise: be used for and the blowout patche that cooperates of axle, be used for the seat ring that cooperates with shell and be arranged on said blowout patche and said seat ring between steel ball; Wherein, also be provided with the Nanoalloy coating on the roller surface of said blowout patche.
Because many rows of providing of the utility model make up on the roller surface of the said blowout patche in the ball bearing and have added the Nanoalloy coating; Improved the hardness of the roller surface of blowout patche; And then improved the wear resistance of the roller surface of blowout patche, thereby prolonged the continuous operation life-span of this bearing.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the assembly structure schematic representation that many rows that the utility model embodiment provides make up ball bearing.
Embodiment
The utility model embodiment provides a kind of many row's combination ball bearings, has improved its wear resistance, and then has prolonged the continuous operation life-span of this bearing.
For the purpose, technological scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technological scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to accompanying drawing 1, many rows that the utility model embodiment provides make up ball bearing and comprise: be used for and the blowout patche 1 that cooperates of axle, be used for the seat ring 2 that cooperates with shell and be arranged on blowout patche 1 and seat ring 2 between steel ball 3; Wherein, also be provided with the Nanoalloy coating on the roller surface of blowout patche 1.
Because many rows of providing of the utility model embodiment make up on the roller surface of the blowout patche 1 in the ball bearing and have added the Nanoalloy coating; Improved the hardness of the roller surface of blowout patche 1; And then improved the wear resistance of the roller surface of blowout patche 1, thereby prolonged the continuous operation life-span of this bearing.
Preferably, many rows that the foregoing description provides make up in the ball bearing, also are provided with the Nanoalloy coating on the roller surface of seat ring 2.This Nanoalloy coating has improved the hardness of the roller surface of seat ring 2, and then has improved the wear resistance of the roller surface of seat ring 2, has further prolonged the continuous operation life-span of this bearing.
Further, many rows that the foregoing description provides make up in the ball bearing, are provided with the Nanoalloy coating on 2 contacted of blowout patche 1 and the seat rings.This Nanoalloy coating has improved the hardness of blowout patche 1 and seat ring 2 contacted rubbing surfaces, and then has improved the wear resistance of above-mentioned rubbing surface, has at utmost prolonged the continuous operation life-span of this bearing.
Many rows that the foregoing description provides make up in the ball bearing, are used for the roller surface of steel ball rolling and the rubbing surface between blowout patche 1 and the seat ring 2 on blowout patche 1 and the seat ring 2 and have all added the Nanoalloy coating; Improved the hardness of above-mentioned roller surface and rubbing surface; And then improved its wear resistance, and improved the operating life of bearing, not only reduced drilling cost; And installation time is changed in the repairing that has reduced the drilling tool parts; Improve drilling efficiency, prolonged the overall operation life-span simultaneously, satisfied the whole usage requirement of domestic straight well, deep drilling drilling tool.
Concrete, many rows that the foregoing description provides make up in the ball bearing, and the thickness of Nanoalloy coating is 1-2mm.Certainly, present embodiment is not done qualification to the thickness of Nanoalloy coating, should be according to the thickness of different applying working conditions to the suitable Nanoalloy coating of the different choice of wear resistance requirement.
Preferably, many rows that the foregoing description provides make up in the ball bearing, and the Nanoalloy coating combines with the matrix steel of blowout patche 1 or seat ring 2 through the mode of cladding; Make both surfaces form uniform cementation zone.Can certainly add above-mentioned Nanoalloy coating through other technological method.
Preferably, many rows that the foregoing description provides make up in the ball bearing, and steel ball 3 employings are completely adorned spherical structure and are arranged between blowout patche 1 and the seat ring 2.At this moment, do not have retainer in the bearing race, reduced friction, above-mentioned full dress spherical structure has improved the dynamic load rating of bearing and specified dead load, makes bearing can bear bigger load when in use, but its occasion that can not be used for running up.
Preferably, many rows that the foregoing description provides make up in the ball bearing, and these many row's combination ball bearings are seven row's combination ball bearings, and are as shown in Figure 1.It also can be other row's numbers that many rows that present embodiment provides make up ball bearing, and this mainly chooses its row's number according to bearing stressed.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and other embodiments' difference that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. the ball bearing of row combination more than a kind comprises: be used for and a blowout patche (1) that cooperates, be used for the seat ring (2) that cooperates with shell and be arranged on said blowout patche (1) and said seat ring (2) between steel ball (3); It is characterized in that, also be provided with the Nanoalloy coating on the roller surface of said blowout patche (1).
2. many row's combination ball bearings according to claim 1 is characterized in that, also are provided with the Nanoalloy coating on the roller surface of said seat ring (2).
3. many row's combination ball bearings according to claim 2 is characterized in that, are provided with the Nanoalloy coating on contacted of said blowout patche (1) and the said seat ring (2).
4. according to any described many row's combination ball bearings of claim 1-3, it is characterized in that the thickness of said Nanoalloy coating is 1-2mm.
5. many row's combination ball bearings according to claim 4 is characterized in that said Nanoalloy coating combines with the matrix steel of said blowout patche (1) or said seat ring (2) through the mode of cladding.
6. many row's combination ball bearings according to claim 1 is characterized in that said steel ball (3) employing is completely adorned spherical structure and is arranged between said blowout patche (1) and the said seat ring (2).
7. many row's combination ball bearings according to claim 1 is characterized in that, these many row's combination ball bearings are seven row's combination ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201906999U CN202612386U (en) | 2012-04-28 | 2012-04-28 | Multi-row combination ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201906999U CN202612386U (en) | 2012-04-28 | 2012-04-28 | Multi-row combination ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202612386U true CN202612386U (en) | 2012-12-19 |
Family
ID=47346088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201906999U Expired - Fee Related CN202612386U (en) | 2012-04-28 | 2012-04-28 | Multi-row combination ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202612386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518414A (en) * | 2018-05-30 | 2018-09-11 | 长江大学 | A kind of big channel can bore thrust bearing |
-
2012
- 2012-04-28 CN CN2012201906999U patent/CN202612386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518414A (en) * | 2018-05-30 | 2018-09-11 | 长江大学 | A kind of big channel can bore thrust bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUZHOU XIDI HARD ALLOY TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHUZHOU XIDI HARD ALLOY TECHNOLOGY LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Zhuzhou City, Hunan province 412000 Lusong District of Prince Edward Road, hi tech Park Dong Jia Duan Patentee after: SEED CEMENTED CARBIDE LTD. Address before: Zhuzhou City, Hunan province 412000 Lusong District of Prince Edward Road, hi tech Park Dong Jia Duan Patentee before: Zhuzhou Xidi Hard Alloy Technology Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Zhuzhou City, Hunan province 412002 Lusong District of Prince Edward Road, hi tech Park Dong Jia Duan Patentee after: ASEEDER CORPORATION Address before: Zhuzhou City, Hunan province 412000 Lusong District of Prince Edward Road, hi tech Park Dong Jia Duan Patentee before: SEED CEMENTED CARBIDE LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |