CN117074024B - Outer ring rotating bearing loading test device - Google Patents
Outer ring rotating bearing loading test device Download PDFInfo
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- CN117074024B CN117074024B CN202311074525.5A CN202311074525A CN117074024B CN 117074024 B CN117074024 B CN 117074024B CN 202311074525 A CN202311074525 A CN 202311074525A CN 117074024 B CN117074024 B CN 117074024B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
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Abstract
The invention relates to the technical field of bearing testing, in particular to an outer ring rotating bearing loading test device. The utility model provides an outer lane swivel bearing loading test device, including the installation base, the fixed spindle, test bearing fixing base, test bearing rotates the seat, have the installation space that is used for installing test bearing between test bearing fixing base and the test bearing rotates the seat, test bearing rotates the seat both sides and is connected with the loading bearing frame respectively, have radial interval between loading bearing frame and the fixed spindle, the loading bearing frame includes internal rotation bush and external loading bush, test bearing rotates seat and internal rotation bush fixed connection, be connected with transmission structure on the internal rotation bush of one side, be connected with the radial loading structure that is used for exerting radial load to test bearing simulation actual operating mode respectively on the external loading bush of both sides, and/or apply moment loading structure of moment loading, realize the complicated in-service use operating mode such as simulation test bearing outer lane is rotatory, radial load, moment loading.
Description
Technical Field
The invention relates to the technical field of bearing testing, in particular to an outer ring rotating bearing loading test device.
Background
The full suspension bearing of the rail transit locomotive is used as a key part of the rail transit locomotive, and the performance and the service life of the full suspension bearing directly influence the safe running and the quality of the rail transit. Therefore, such bearings need to be tested for performance after manufacture to ensure reliability of their performance.
The application publication number CN114235400A discloses a wind power sliding bearing performance testing device, which comprises a rotating shaft, a testing bearing seat, a testing bearing arranged between the rotating shaft and the testing bearing seat, a bending moment loading unit for providing bending moment acting force of the testing bearing, a radial loading unit for providing radial acting force of the testing bearing and a swinging loading unit for driving the rotating shaft to swing at a small angle, wherein the bending moment loading unit comprises two groups of loading components, and the two groups of loading components are arranged on two axial sides of the testing bearing and act on opposite angles of the testing bearing seat; the radial loading unit is connected below the test bearing seat; the swing loading module is connected with one end of the rotating shaft during swing test, and the invention has the advantages of truly simulating various actual working conditions of the wind power sliding bearing, reasonable layout and the like.
However, the full suspension bearing of the rail transit locomotive needs to simulate the mechanical fatigue parameters such as the rotating speed of the outer ring and the load, and the testing device of the invention can only simulate the mechanical fatigue parameters such as the rotating speed of the inner ring and the load, can not simulate the working conditions of the full suspension bearing of the rail transit locomotive such as the rotating speed of the outer ring, the radial load and the loading of bending moment during the use process of the full suspension bearing of the rail transit locomotive, and can not meet the testing requirements of the full suspension bearing of the rail transit locomotive which needs to be tested by the rotating of the outer ring.
Disclosure of Invention
The invention aims to provide an outer ring rotating bearing loading test device which is used for solving the problem that the existing bearing loading test device cannot simulate the working conditions of outer ring rotation, radial load and bending moment loading of a rail transit locomotive full-suspension bearing in the use process.
The invention relates to an outer ring rotating bearing loading test device which adopts the following technical scheme: the utility model provides an outer lane swivel bearing loading test device, includes the installation base, fixedly mounted has fixed spindle on the installation base, fixedly mounted has the test bearing fixing base of fixed test bearing inner race on the fixed spindle, the test bearing fixing base outside is equipped with the test bearing rotation seat that drives test bearing outer lane pivoted, have the installation space that is used for installing test bearing between test bearing fixing base and the test bearing rotation seat, test bearing rotation seat is connected with the loading bearing frame respectively along the both sides of fixed spindle direction, has radial interval between loading bearing frame and the fixed spindle, loading bearing frame includes internal rotation bush and additional loading bush, test bearing rotation seat and internal rotation bush fixed connection, be connected with the transmission structure that is used for driving internal rotation bush pivoted on the internal rotation bush of one side wherein, be connected with the radial loading structure that is used for exerting radial load to test bearing simulation actual condition on the additional loading bush of both sides respectively, and/or be connected with the moment loading structure that is used for exerting moment load to test bearing simulation actual condition on the loading respectively.
The invention relates to a loading test device for an outer ring rotary bearing, which is a novel loading test device for the outer ring rotary bearing.
Further, the mounting base is provided with a total loading structure which applies radial homodromous and radial reverse to the external loading bushes on the two sides, and the total loading structure simultaneously forms the radial loading structure and the bending moment loading structure. The radial load and the bending moment load can be tested through one loading structure of the total loading structure, so that the device is convenient to use and saves cost.
Further, the test bearing rotating seat comprises a test bearing mounting bush arranged on the outer side of the test bearing and test bearing end covers arranged at two ends of the test bearing mounting bush, the test bearing mounting bush and the test bearing end covers enclose a ring groove structure with an inward opening, a space for mounting the test bearing and the test bearing fixing seat is arranged in the ring groove structure, and the test bearing end covers are connected with the inner rotating bush. The ring groove type structure with the inward opening is convenient to be in transmission connection with the loading bearing seat on one hand, and the stability of the rotation process is convenient to be ensured on the other hand.
Further, the transmission structure comprises a transmission bearing seat rotatably arranged on the fixed main shaft through a transmission bearing and a transmission input end arranged on the transmission bearing seat, and the transmission bearing seat is in transmission connection with the inner rotation bushing. The transmission bearing seat is in transmission connection with the inner rotation bushing, the transmission input end can generate radial acting force on a driven part in the transmission process, the transmission effect is prevented from being influenced by the transmission of the transmission bearing seat, the fixed main shaft is kept fixed, and the transmission bearing seat of the outer ring is convenient to be in transmission connection with the transmission bearing.
Further, the transmission input end is a transmission belt groove arranged on the transmission bearing seat. The belt slot and the transmission bearing seat are in transmission connection, so that the synchronous rotation can be realized, the belt transmission process is stable, and the belt transmission device has certain flexibility and plays a role in buffering.
Further, the inner rotation bushing is in transmission connection with the transmission bearing seat through an elastic coupling. The inner rotation bushing is connected with the transmission bearing seat in a transmission way through the elastic coupling, and the coupling has elasticity, so that small deflection can occur in the transmission process, and interaction force between the structures is protected.
Further, the loading bearing seat on the side opposite to the transmission structure is also connected with an axial loading structure for applying axial load to the test bearing under the simulated actual working condition. The axial loading structure is arranged on the loading bearing seat on the opposite side of the transmission structure, so that the simulation of the radial direction and the bending moment is not influenced, the transmission effect is not influenced, and the axial load simulation is realized.
Further, the axial loading structure comprises axial loading connecting rods symmetrically arranged relative to the fixed main shaft, one end, far away from the test bearing, of each axial loading connecting rod is connected with an axial loading disc, an axial force application mechanism is connected to the axial loading disc at the position coaxial with the fixed main shaft, and each axial loading connecting rod is connected with an external loading bushing. The axial loading structure ensures the balance of axial force through the axial loading disc and the symmetrically arranged axial loading connecting rods, so that the simulation effect is better.
Further, the axial force application mechanism comprises an axial loading oil cylinder, and the axial loading oil cylinder is connected with an axial loading disc through an axial force sensor and a joint bearing. The knuckle bearing can allow to generate a bit of deflection in the axial force transmission process without affecting the axial force transmission, so that the flexibility of the structure is ensured, the axial force sensor is convenient for monitoring the axial load condition, and the analysis of the test bearing is convenient.
Drawings
Fig. 1 is a schematic structural view of an embodiment of an outer race rotating bearing loading test device according to the present invention.
In the figure: 1. a mounting base; 2. an axial loading oil cylinder; 3. an axial force sensor; 4. a knuckle bearing; 5. an axial loading disc; 6. a left bushing; 7. axially loading the connecting rod; 8. loading a bearing end cover; 9. a left loading bushing; 10. a left loading bearing; 11. a left rotary bushing 11; 12. a test bearing mounting bushing; 13. testing a bearing; 14. testing a bearing end cover; 15. a right loading bushing; 16. a right rotating bushing; 17. a left coupling; 18. a right coupling; 19. a drive bearing rotating bushing; 20. a belt slot of the transmission belt; 21. a transmission bearing; 22. a right bushing; 23. fixing the main shaft; 24. fixing the end cover; 25. radial and bending moment loading force sensors; 26. radial and bending moment loading oil cylinders; 27. fixing the supporting frame; 28. a radially inner convex ring.
Detailed Description
The features and capabilities of the present invention are described in further detail below in connection with the examples.
The embodiment I of the outer ring rotating bearing loading test device comprises:
The invention discloses an outer ring rotating bearing loading test device, as shown in figure 1, which comprises a mounting base 1, wherein a fixed main shaft 23 is fixedly arranged on the mounting base 1, a test bearing fixing seat for fixing an inner ring of a test bearing is arranged on the fixed main shaft 23, a test bearing rotating seat for driving the outer ring of the test bearing to rotate is sleeved outside the test bearing fixing seat, a mounting space for mounting the test bearing 13 is arranged between the test bearing fixing seat and the test bearing rotating seat, a left loading bearing seat and a right loading bearing seat are respectively connected with two sides of the test bearing rotating seat along the direction of the fixed main shaft 23, a transmission structure is connected with the right loading bearing seat, the left loading bearing seat is connected with an axial loading structure for applying axial load to the test bearing 13 under the simulation of actual working conditions, the left loading bearing seat and the right loading bearing seat are connected with a total loading structure for applying radial equidirectional or radial reverse to the test bearing 13 under the simulation of actual working conditions, and complex actual working conditions such as rotating speed, axial load, radial load, bending moment load and the like of the outer ring of the test bearing 13 are realized as required, and the performance and service life of a full-suspension bearing of a rail locomotive are tested.
The fixed main shaft 23 is provided with a fixed support frame, the test bearing fixing seat comprises an annular structure, one end of the annular structure is a radial inner convex ring 28, a through hole is formed in the radial inner convex ring 28, a connecting blind hole is formed in the fixed support frame 27, a bolt penetrates through the through hole and stretches into the connecting blind hole to fixedly connect the annular structure with the fixed support frame 27, the test bearing rotating seat comprises a test bearing mounting bush 12 positioned at the outer side of the test bearing 13 and test bearing end covers 14 positioned at two ends of the test bearing mounting bush 12, the test bearing mounting bush 12 and the test bearing end covers 14 enclose an annular groove structure with inward openings, the inside of the annular groove structure is used for mounting the test bearing 13 and the test bearing fixing seat, the annular groove structure is convenient to be connected with a loading bearing seat in a transmission manner, and the stability of the rotating process is convenient to be ensured.
The left loading bearing seat comprises a left rotating bush 11 positioned at the inner side of a left loading bearing 10 and a left loading bush 9 positioned at the outer side of the left loading bearing 10, the right loading bearing seat comprises a right rotating bush 16 positioned at the inner side of a right loading bearing and a right loading bush 15 positioned at the outer side of the right loading bearing, test bearing end covers 14 at two ends are respectively connected with the left rotating bush 11 and the right rotating bush 16 through bolts, the total loading structure is two symmetrical loading structures which are arranged on the mounting base 1 and are connected with the left loading bush 9 and the right loading bush 15, radial loading is formed when the two loading structures radially apply force in the same direction, bending moment loading is formed when the two loading structures radially apply force in opposite directions, the two loading structures simultaneously form a radial loading structure and a bending moment loading structure, and the two loading structures comprise a radial and bending moment loading force sensor 25 and a radial and bending moment loading cylinder 26.
The transmission structure comprises a transmission bearing seat, the transmission bearing seat comprises a transmission bearing rotating bush 19 positioned on an outer ring of the transmission bearing, an inner ring of the transmission bearing is fixed with a fixed main shaft 23, a left coupling 17 is connected to a right rotating bush 16, a right coupling 18 is connected to the transmission bearing rotating bush 19, the left coupling 17 and the right coupling 18 are connected through elastic pins, the left coupling 17 and the right coupling 18 form an elastic coupling, the right rotating bush 16 and the transmission bearing rotating bush 19 are in transmission connection through the elastic coupling, a transmission belt groove 20 is arranged on the transmission bearing rotating bush 19, and the transmission belt groove 20 can be connected with a driving motor.
The axial loading structure is mounted on the mounting base 1, the axial loading structure comprises an axial loading oil cylinder 2, an axial force sensor 3 is connected to the right side of the axial loading oil cylinder 2, a joint bearing 4 is connected to the right side of the axial force sensor 3, an axial loading disc 5 is connected to the joint bearing 4, axial loading connecting rods 7 which are symmetrically arranged are connected to the two ends of the axial loading disc 5, a loading bearing cover 8 is further arranged on the left loading bearing seat, and the axial loading connecting rods 7 are connected with the loading bearing cover 8 through bolts.
Specifically, the installation base 1 comprises two far-away supports along the vertical direction, a left bushing 6 and a right bushing 22 along the vertical direction are respectively arranged on the two supports, a fixing main shaft 23 is fixed between the left bushing 6 and the right bushing 22, two ends of the fixing main shaft 23 penetrate through the left bushing 6 and the right bushing 22, two ends of the fixing main shaft 23 are respectively provided with a fixing end cover 24, the fixing end covers 24 are provided with bolts, and the fixing end covers 24 are fixedly connected with the left bushing 6 and the right bushing 22 through the bolts.
When the outer ring rotary bearing loading test device is used, the inner ring fixed outer ring of the test bearing 13 can rotate, the fixed main shaft 23 is fixed on the left and right bushings 22, a transmission belt is sleeved on the transmission belt groove 20, a driving motor drives the transmission belt to rotate, the transmission belt is connected with the transmission bearing rotary bushing 19 to drive the transmission bearing rotary bushing 19 to rotate, the transmission bearing rotary bushing 19 is connected with the right rotary bushing 16, the test bearing rotary seat and the left rotary bushing 11 through an elastic coupler, the left loading bearing 10 and the left loading bushing 9 are arranged on the left rotary bushing 11, the right loading bearing and the right loading bushing 15 are arranged on the right rotary bushing 16, the axial loading oil cylinder 2 is connected with the left loading bushing 9 through the axial force sensor 3 and the axial loading connecting rod 7, and the two radial and bending moment loading oil cylinders 26 are respectively connected with the left loading bushing 9 and the right loading bushing 15 through the radial and bending moment loading force sensors 25 to realize radial loading or bending moment loading. The driving motor, the axial loading structure and the radial and bending moment loading structure are fixed on the mounting base 1, the driving motor can be controlled through an electric control and software system to realize accurate control of the rotating speed and the direction, the loading direction of the axial loading oil cylinder 2 is controlled rapidly in response speed and size, and meanwhile, the radial loading or bending moment loading of the test bearing 13 can be realized by controlling the size and the direction of loading force of the radial and bending moment loading oil cylinder 26. Finally, the working conditions such as the rotating speed (speed change and direction change), the axial load (the load waveform can be set to be rectangular wave, square wave and other alternating loads), the bending moment or the radial load of the outer ring of the test bearing are achieved. Meanwhile, the temperature, vibration, load, bending moment and the like of the test bearing 13 can be monitored and recorded in real time, and the test bearing 13 is convenient to analyze.
Through the description of the first specific embodiment of the outer ring rotary bearing loading test device, the outer ring rotary bearing loading test device is seen that the inner ring of the outer ring rotary bearing is fixedly connected with the test bearing fixing seat, the test bearing rotating seat is rotationally connected with the outer ring of the test bearing relatively, the transmission structure transmits the rotating force to the loading bearing seat, the rotating force is transmitted to the test bearing rotating seat through the loading bearing seat and finally transmitted to the test bearing, the loading bearing seat is positioned at two sides of the test bearing, the radial loading structure can provide radial loading force for the loading bearing seat to test the working condition of load, the bending moment loading structure can provide radial reverse loading force for the loading bearing seat to test the working condition of bending moment loading, and complex practical working conditions such as the rotation of the outer ring of the test bearing, the radial load, the bending moment loading and the like can be simulated according to requirements, and further the performance and service life research of the full suspension bearing of the rail transit locomotive can be tested.
Of course, the outer race rotating bearing loading test apparatus of the present invention is not limited to the above-described embodiment. The following are also examples of several other embodiments of the outer race rotating bearing loading test apparatus based on the design concept of the present invention.
For example, in other embodiments, unlike the above embodiment, one loading structure is additionally disposed in the opposite direction of one of the two loading structures, and three loading structures are added, and two loading structures located on the same side of the fixed spindle apply force simultaneously to implement radial loading, and loading structures located on different sides of the fixed spindle and axially offset apply force simultaneously to implement bending moment loading.
For example, in other embodiments, unlike the above embodiment, the test bearing holder is fixed to the fixed spindle such that the test bearing holder is close to the fixed spindle, no fixed support frame is provided, the space between the right loading bearing seat and the fixed spindle is increased, and the test bearing holder is fixedly connected to the inner rotating bush of the right loading bearing seat in an annular structure.
For example, in another embodiment, unlike the above embodiment, the inner rotary sleeve is extended to the right, and the outer surface of the extending section is provided with a belt slot to directly drive the inner rotary shaft sleeve to rotate, and no transmission bearing is provided.
Or in other embodiments, unlike the above embodiment, the outside of the rotating bushing of the transmission bearing is a gear structure, and the transmission is realized through the gear.
Or in other embodiments, unlike the above embodiment, the diameter of the fixed main shaft at the transmission bearing seat is reduced, so that the transmission bearing rotating bush is connected with the right rotating bush, and then fixedly connected through bolts.
In a further embodiment, unlike the first embodiment described above, the axial loading rod is connected to the inner rotating bush via an end bearing, directly axially loads the inner rotating bush and transmits it to the test bearing.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an outer lane swivel bearing loading test device, its characterized in that, including installation base (1), fixed mounting has fixed main shaft (23) on installation base (1), fixed mounting has the test bearing fixing base of fixed test bearing inner race on fixed main shaft (23), the test bearing fixing base outside is equipped with the test bearing rotation seat that drives test bearing outer lane pivoted, there is the installation space that is used for installing test bearing (13) between test bearing fixing base and the test bearing rotation seat, test bearing rotation seat is connected with the loading bearing frame respectively along the both sides of fixed main shaft (23) direction, have radial interval between loading bearing frame and the fixed main shaft (23), loading bearing frame includes internal rotation bush and external loading bush, be connected with the transmission structure that is used for driving internal rotation bush pivoted on the internal rotation bush of one side, be connected with the radial loading structure that is used for exerting radial load to test bearing (13) simulation actual condition on the external loading bush of both sides respectively, and/or be connected with the moment loading structure that is used for exerting moment load to test bearing (13) simulation actual condition on the loading respectively on the loading bearing frame of both sides.
2. The outer ring rotating bearing loading test device according to claim 1, wherein the mounting base (1) is provided with a total loading structure which applies radial homodromous and radial reverse directions to the outer loading bushes on the two sides, and the total loading structure simultaneously forms the radial loading structure and the bending moment loading structure.
3. The outer ring rotary bearing loading test device according to claim 1, wherein the test bearing rotating seat comprises a test bearing mounting bush (12) arranged on the outer side of the test bearing (13) and test bearing end covers (14) arranged on two ends of the test bearing mounting bush (12), the test bearing mounting bush (12) and the test bearing end covers (14) enclose a ring groove structure with inward openings, a space for mounting the test bearing (13) and the test bearing fixing seat is formed in the ring groove structure, and the test bearing end covers (14) are connected with the inner rotating bush.
4. The outer ring rotating bearing loading test device according to claim 1, wherein the transmission structure comprises a transmission bearing seat rotatably mounted on the fixed main shaft (23) through a transmission bearing (21) and a transmission input end arranged on the transmission bearing seat, and the transmission bearing seat is in transmission connection with the inner rotation bushing.
5. The outer race swivel bearing loading test apparatus of claim 4 wherein the drive input is a drive belt slot (20) provided on a drive bearing housing.
6. The outer ring rotating bearing loading test device according to claim 4, wherein the inner rotating bush is in transmission connection with the transmission bearing seat through an elastic coupling.
7. The outer ring rotating bearing loading test device according to any one of claims 1-6, wherein an axial loading structure for applying an axial load to the test bearing (13) under a simulated actual condition is further connected to a loading bearing seat on a side opposite to the transmission structure.
8. The outer ring rotating bearing loading test device according to claim 7, wherein the axial loading structure comprises axial loading connecting rods (7) symmetrically arranged about a fixed main shaft (23), one ends of the axial loading connecting rods (7) far away from the test bearings (13) are connected with axial loading discs (5), the axial loading discs (5) are connected with axial force application mechanisms at positions coaxial with the fixed main shaft (23), and the axial loading connecting rods (7) are connected with external loading bushings.
9. The outer ring rotating bearing loading test device according to claim 8, wherein the axial force application mechanism comprises an axial loading oil cylinder (2), and the axial loading oil cylinder (2) is connected with an axial loading disc (5) through an axial force sensor (3) and a knuckle bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311074525.5A CN117074024B (en) | 2023-08-24 | 2023-08-24 | Outer ring rotating bearing loading test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311074525.5A CN117074024B (en) | 2023-08-24 | 2023-08-24 | Outer ring rotating bearing loading test device |
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| Publication Number | Publication Date |
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| CN117074024A CN117074024A (en) | 2023-11-17 |
| CN117074024B true CN117074024B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311074525.5A Active CN117074024B (en) | 2023-08-24 | 2023-08-24 | Outer ring rotating bearing loading test device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN119198090B (en) * | 2024-11-28 | 2025-02-28 | 洛阳开远智能精机有限公司 | An outer ring rotating bearing testing machine and a testing method thereof |
| CN119374905B (en) * | 2024-12-27 | 2025-03-14 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Variable contact state's angular contact ball bearing rolling element bearing unit test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124214A (en) * | 2016-09-07 | 2016-11-16 | 大连理工大学 | A kind of testing stand of bearings synthesis charger |
| CN206593856U (en) * | 2017-03-07 | 2017-10-27 | 宁波更大集团有限公司 | Bearing tester and its loading device |
| CN207923448U (en) * | 2017-12-27 | 2018-09-28 | 中国航发四川燃气涡轮研究院 | Rolling bearing moment of flexure load testing machine |
| CN109459240A (en) * | 2018-11-22 | 2019-03-12 | 洛阳轴承研究所有限公司 | A kind of bearing tester |
| CN114061953A (en) * | 2021-11-02 | 2022-02-18 | 洛阳轴承研究所有限公司 | Bearing test device for butterfly separator |
| WO2023004911A1 (en) * | 2021-07-29 | 2023-02-02 | 山东凯美瑞轴承科技有限公司 | Self-aligning rolling bearing performance testing apparatus and rigidity testing method |
-
2023
- 2023-08-24 CN CN202311074525.5A patent/CN117074024B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124214A (en) * | 2016-09-07 | 2016-11-16 | 大连理工大学 | A kind of testing stand of bearings synthesis charger |
| CN206593856U (en) * | 2017-03-07 | 2017-10-27 | 宁波更大集团有限公司 | Bearing tester and its loading device |
| CN207923448U (en) * | 2017-12-27 | 2018-09-28 | 中国航发四川燃气涡轮研究院 | Rolling bearing moment of flexure load testing machine |
| CN109459240A (en) * | 2018-11-22 | 2019-03-12 | 洛阳轴承研究所有限公司 | A kind of bearing tester |
| WO2023004911A1 (en) * | 2021-07-29 | 2023-02-02 | 山东凯美瑞轴承科技有限公司 | Self-aligning rolling bearing performance testing apparatus and rigidity testing method |
| CN114061953A (en) * | 2021-11-02 | 2022-02-18 | 洛阳轴承研究所有限公司 | Bearing test device for butterfly separator |
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