CN214667648U - Fatigue life detection device for logarithmic curve roller of wind power bearing - Google Patents
Fatigue life detection device for logarithmic curve roller of wind power bearing Download PDFInfo
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- CN214667648U CN214667648U CN202120447199.8U CN202120447199U CN214667648U CN 214667648 U CN214667648 U CN 214667648U CN 202120447199 U CN202120447199 U CN 202120447199U CN 214667648 U CN214667648 U CN 214667648U
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Abstract
The utility model belongs to the technical field of wind power bearings, and mainly relates to a fatigue life detection device for a logarithmic curve roller of a wind power bearing, wherein the fatigue life detection device for the logarithmic curve roller of the wind power bearing is provided with a rotating platform; a simulated raceway tool II is fixed on the rotating table; the simulated raceway tool II is a plane raceway; a simulated raceway tool I is symmetrically arranged right above the simulated raceway tool II; the simulated raceway tool I is a circular raceway which is consistent with the material, heat treatment hardness and structure size of an actual axial raceway of the bearing; the simulated raceway tool I is supported on a simulated raceway tool II through a logarithmic curve roller and a retainer which are assembled in the simulated raceway tool I; and the two simulated raceway tools I are respectively fixed at the lower parts of the loading arms of the corresponding compression testing machines. The utility model realizes the detection of the fatigue life of the logarithmic curve roller; the method has the characteristics of simple and easy detection process and stable and reliable detection result.
Description
Technical Field
The utility model belongs to the technical field of wind-powered electricity generation bearing, mainly relate to a wind-powered electricity generation bearing logarithm curve roller fatigue life's detection device.
Background
With the development of the wind power industry in recent years, the capacity of the wind generating set is continuously increased, and the requirements on the bearing capacity and the service life of the wind power bearing are correspondingly improved. The cylindrical roller bearing is applied to the wind driven generator due to large bearing capacity and small friction factor. The cylindrical rollers are divided into different types according to roller modification curves, wherein under the action of the same load, the logarithmic curve rollers can eliminate edge effect and enable the internal stress of the rollers to be uniformly distributed within the range of effective contact length, the convexity coordinate values of points on the roller modification curves are designed according to the load borne by the bearing, but the bearing capacity and the fatigue life of the designed logarithmic curve rollers and the designed axial roller path in the use process of the bearing are not easy to detect and verify.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model aims at providing a wind-powered electricity generation bearing logarithmic curve roller fatigue life's detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a detection device for the fatigue life of a logarithmic curve roller of a wind power bearing is provided with a rotating platform; a simulated raceway tool II is fixed on the rotating table; the simulated raceway tool II is a plane raceway; a simulation raceway tool I is symmetrically arranged right above the simulation raceway tool II; the simulated raceway tool I is a circular raceway; the simulated raceway tool I is supported on a simulated raceway tool II through a logarithmic curve roller and a retainer which are assembled in the simulated raceway tool I; and the two simulated raceway tools I are respectively fixed at the lower parts of the loading arms of the corresponding compression testing machines.
And the simulated raceway tool II is consistent with the actual axial raceway of the bearing in material and heat treatment hardness.
The simulated raceway tool I is consistent with the actual axial raceway of the bearing in material and heat treatment hardness.
The utility model provides a pair of wind-powered electricity generation bearing logarithm curve roller fatigue life's detection device, through simulating the loading test to logarithm curve roller, can detect bearing capacity and the life-span requirement that logarithm curve roller's structural dimension, machining precision satisfied the bearing and used to can be perfect to the structural dimension of roller according to the wearing and tearing condition of simulation raceway frock, reach the purpose of guarantee wind-powered electricity generation bearing quality.
Drawings
Fig. 1 is a schematic structural diagram of the detection device.
Fig. 2 is a cross-sectional view of fig. 1.
FIG. 3 is a top view of the present detection device.
Fig. 4 is a cross-sectional view of fig. 3.
In the figure: 1. loading arm, 2, simulation raceway frock I, 3, simulation raceway frock II, 4, revolving stage, 5, keep ware, 6, logarithmic curve roller.
Detailed Description
The invention is described in connection with the accompanying drawings and the specific examples:
a detection device for the fatigue life of a logarithmic curve roller of a wind power bearing is provided with symmetrically arranged loading arms 1, wherein the lower ends of the loading arms are fixed with simulation raceway tools I2; the detection device is provided with a rotating table 4; a simulated raceway tool II 3 is fixed on the rotating table; the logarithmic curve roller 6 is assembled in the retainer 5, and the logarithmic curve roller 6 and the retainer 5 are assembled between the simulated raceway tool I2 and the simulated raceway tool II 3.
The utility model discloses finally exert fatigue load and rotate the platform and rotate the equivalence through loading the arm and detect logarithmic curve roller fatigue life, its detailed measurement step as follows:
1. the loading arm 1 and the simulated raceway tool I2 are fixedly connected together through bolts, and the simulated raceway tool I2 is consistent with the actual raceway of the bearing in material, heat treatment hardness and structural size;
2. the rotating table 4 and the simulated raceway tool II 3 are fixedly connected together through bolts, and the simulated raceway tool II 3 is consistent with the actual raceway of the bearing in material, heat treatment hardness and structural size;
3. assembling a logarithmic curve roller 6 in a retainer 5, and adjusting the distance between a loading arm 1 and a rotating table 4 to enable the logarithmic curve roller 6 and the retainer 5 to be assembled between a simulated raceway tool I2 and a simulated raceway tool II 3;
4. fatigue load is applied to the logarithmic curve roller 6 through the loading arm 1, and the rotating speed and the rotating number of turns used by the bearing are simulated through recording the rotating platform 4 to obtain the equivalent fatigue life.
Through the simulation loading test of the logarithmic curve rollers, whether the structural size and the machining precision of the logarithmic curve rollers meet the bearing capacity and service life requirements of a bearing can be detected, the structural size of the rollers can be perfected according to the abrasion condition of a simulated raceway tool, and the purpose of guaranteeing the quality of the wind power bearing is achieved.
Claims (3)
1. The utility model provides a wind-powered electricity generation bearing logarithm curve roller fatigue life detection device which characterized in that: the detection device is provided with a rotating table; a simulated raceway tool II is fixed on the rotating table; the simulated raceway tool II is a plane raceway; a simulation raceway tool I is symmetrically arranged right above the simulation raceway tool II; the simulated raceway tool I is a circular raceway; the simulated raceway tool I is supported on a simulated raceway tool II through a logarithmic curve roller and a retainer which are assembled in the simulated raceway tool I; and the two simulated raceway tools I are respectively fixed at the lower parts of the loading arms of the corresponding compression testing machines.
2. The wind power bearing logarithmic curve roller fatigue life detection device of claim 1, characterized in that: and the simulated raceway tool II is consistent with the actual axial raceway of the bearing in material and heat treatment hardness.
3. The wind power bearing logarithmic curve roller fatigue life detection device of claim 1, characterized in that: the simulated raceway tool I is consistent with the actual axial raceway of the bearing in material and heat treatment hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447199.8U CN214667648U (en) | 2021-03-02 | 2021-03-02 | Fatigue life detection device for logarithmic curve roller of wind power bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120447199.8U CN214667648U (en) | 2021-03-02 | 2021-03-02 | Fatigue life detection device for logarithmic curve roller of wind power bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214667648U true CN214667648U (en) | 2021-11-09 |
Family
ID=78450187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120447199.8U Active CN214667648U (en) | 2021-03-02 | 2021-03-02 | Fatigue life detection device for logarithmic curve roller of wind power bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214667648U (en) |
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2021
- 2021-03-02 CN CN202120447199.8U patent/CN214667648U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Logarithmic Curve Roller Fatigue Life Detection Device for Wind Power Bearings Effective date of registration: 20230630 Granted publication date: 20211109 Pledgee: Bank of China Limited Xin'an Branch Pledgor: LUOYANG NEW ENERGY BEARING MANUFACTURING Co.,Ltd. Registration number: Y2023980046492 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |