CN219474958U - Wind power generator main shaft bearing test device - Google Patents
Wind power generator main shaft bearing test device Download PDFInfo
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- CN219474958U CN219474958U CN202320600657.6U CN202320600657U CN219474958U CN 219474958 U CN219474958 U CN 219474958U CN 202320600657 U CN202320600657 U CN 202320600657U CN 219474958 U CN219474958 U CN 219474958U
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- main shaft
- wind power
- shaft bearing
- loading
- detected
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a wind power generator main shaft bearing test device which comprises a base, wherein an inclined plane is obliquely arranged on the base along the length direction of the base, a tool seat is arranged on the inclined plane, a main shaft is movably arranged on the tool seat, the initial end of the main shaft is a mounting end for mounting an external wind power main shaft bearing to be detected, the tail end of the main shaft is provided with a driving part for driving the main shaft to axially rotate, the mounting end is provided with a linkage sleeve for being connected with the outer ring of the external wind power main shaft bearing to be detected, and the linkage sleeve is provided with a first loading part for applying radial loading to the external wind power main shaft bearing to be detected and a second loading part for applying axial loading and overturning moment to the external wind power main shaft bearing to be detected. The utility model solves the problem that a detection tool for simulating the actual running condition and the stress condition of the main shaft bearing of the wind power generator and detecting the moment by using the same is lacking in the prior art.
Description
Technical Field
The utility model relates to the technical field of wind power generator main shaft bearing detection equipment, in particular to a wind power generator main shaft bearing test device.
Background
The performance of the main shaft bearing of the wind driven generator can directly influence the performance of the wind driven generator, the main shaft bearing of the wind driven generator is stressed in complex, axial force, radial force and overturning moment in multiple directions are required to be borne, meanwhile, the maintenance of the wind driven generator after installation is difficult, various performance tests are required to be carried out on the main shaft bearing before the formal installation for the wind driven generator, but a detection tool for simulating the actual operation working condition and the stressed working condition of the main shaft bearing of the wind driven generator and carrying out moment detection by the detection tool is absent in the prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a wind power generator main shaft bearing test device, which aims at solving the problem that a detection tool for simulating the actual operation working condition and the stress working condition of a wind power generator main shaft bearing and detecting the moment according to the actual operation working condition and the stress working condition is lacked in the prior art.
In order to achieve the above purpose, the utility model provides a wind power generator main shaft bearing test device, which comprises a base, wherein an inclined surface is obliquely arranged on the base along the length direction of the base, a tool seat is arranged on the inclined surface, a main shaft is movably arranged on the tool seat, the initial end of the main shaft is a mounting end for mounting an external wind power main shaft bearing to be detected, the tail end of the main shaft is provided with a driving piece for driving the main shaft to axially rotate, the mounting end is provided with a linkage sleeve for being connected with the external wind power main shaft bearing to be detected, and the linkage sleeve is provided with a first loading piece for applying radial loading to the external wind power main shaft bearing to be detected and a second loading piece for applying axial loading and overturning moment to the external wind power main shaft bearing to be detected.
The technical scheme is beneficial in that: the operating personnel installs the bearing that waits to detect on the main shaft installation end, and afterwards be connected the linkage cover with external wind-powered electricity generation main shaft bearing outer lane that waits to detect through connection structure such as external connecting pin, then operating personnel opens first loading piece and second loading piece according to experimental purpose, first loading piece is applied radial loading to waiting to detect the bearing this moment, second loading piece is applied axial loading and the ascending overturning moment of a plurality of directions to waiting to detect the bearing, realize waiting to detect the multidirectional force value loading of bearing through the setting of first loading piece and second loading piece, thereby simulate wind-powered electricity generation main shaft bearing operation condition, improve detection numerical value accuracy and detection efficiency, slope is provided with the inclined plane on the base among the above-mentioned techniques, the frock seat sets up in the relative highest department of inclined plane, so that the main shaft is in the slope form in comparison with external reference plane, so as to simulate main shaft bearing actual installation condition.
The utility model further provides that: the two sides of the linkage sleeve are respectively provided with a supporting block in a protruding mode, the two supporting blocks are respectively provided with a first force arm, the two first force arms are respectively connected with a static pressure supporting actuator loading cylinder, the output end of each static pressure supporting actuator loading cylinder is coaxially arranged with the corresponding adjacent first force arm, a first joint bearing is connected between each first force arm and each supporting block, and the static pressure supporting actuator loading cylinder is a first loading piece.
The technical scheme is beneficial in that: the two static pressure supporting actuator loading cylinders apply radial force, when the bearing to be detected runs, moment is generated, and the two static pressure supporting actuator loading cylinders are arranged on two sides of the bearing to be detected, so that the moment acting on the two supporting blocks is inconsistent, namely, the moment acting on the two first moment arms is inconsistent, the load values of the two static pressure supporting actuator loading cylinders are different, the product of the difference and the moment arms is the rotation moment of the bearing to be detected, the radial loading working condition of the bearing to be detected during actual running is simulated through the technology, the moment value of the bearing to be detected under the radial loading working condition can be obtained in the experimental process, and further the detection accuracy and the detection efficiency are improved; in the technology, the loading cylinder of the static pressure supporting actuator is in communication connection with the external intelligent control center, so that moment values can be transmitted in real time for the external intelligent control center to control and calculate; the numerical value of the first knuckle bearing in the technology can effectively protect the loading cylinder of the hydrostatic bearing actuator from being influenced by lateral force, and the detection result is prevented from being influenced; according to the technology, the loading cylinder of the hydrostatic bearing actuator is controlled by the hydraulic motion controller, and the loading frequency is up to 300Hz, so that an operator can load a load spectrum of a bearing to be detected according to test requirements, and can also perform vibration loading test, and further the data detection range and the detection accuracy are improved.
The utility model further provides that: and a high-precision load sensor is connected between the loading cylinder of the hydrostatic bearing actuator and the supporting block.
The technical scheme is beneficial in that: the high-precision load sensor in the technology can accurately detect the transmission moment value and the output force value of the loading cylinder of the static pressure supporting actuator when the bearing to be detected runs, so that the detection accuracy and the detection efficiency are improved; the high-precision load sensor in the technology is in communication connection with the external intelligent control center, so that moment values can be transmitted in real time for the external intelligent control center to control and calculate.
The utility model further provides that: the four second force arms are distributed on the linkage sleeve in a four-corner mode, each second force arm is connected with an axial loading cylinder, the output end of each axial loading cylinder is coaxially arranged with the corresponding second force arm adjacent to each other, a second joint bearing is connected between the second force arm and the linkage sleeve, and the axial loading cylinders are second loading pieces.
The technical scheme is beneficial in that: the four groups of axial loading cylinders can apply axial load to the linkage table so as to simulate the external axial load working condition of the bearing in actual operation, meanwhile, the four axial loading cylinders can control the output forces of the four axial loading cylinders to be inconsistent through an external intelligent control system when applying axial force, so that the four output forces generate difference values, a X, Y, Z space shaft is supposed to exist, the bearing to be detected rotates along the Z axis direction, when the output forces of the four axial loading cylinders generate difference values, the bearing to be detected bears the reciprocating moment values in X, Y two directions, and the product of the load difference values of the four axial loading cylinders in the corresponding directions and the second moment arm is the corresponding moment value, and the axial moment working condition and the overturning moment working condition of the bearing in actual operation are simulated through the arrangement of the technology; in the technology, the axial loading cylinder is controlled by the hydraulic motion controller, and the loading frequency is up to 300Hz, so that an operator can load a load spectrum of a bearing to be detected according to test requirements, and can also perform vibration loading test, thereby improving the data detection range and the detection accuracy; in the technology, the axial loading cylinder is in communication connection with the external intelligent control center, so that moment values can be transmitted in real time for the external intelligent control center to control and calculate; the numerical value of the second joint bearing in the technology can effectively protect the axial loading cylinder from being influenced by lateral force, and the detection result is prevented from being influenced.
The utility model further provides that: the driving piece comprises a driving motor, and the output end of the driving motor is connected with the tail end of the main shaft.
The technical scheme is beneficial in that: in the technology, the output end of the driving motor is connected with the tail end of the main shaft, so that the driving motor can drive the bearing to be detected to move, and the actual running condition of the bearing is simulated.
The utility model further provides that: the linkage sleeve is penetrated with a plurality of lightening holes.
The technical scheme is beneficial in that: the weight reducing holes in the technology lighten the weight of the linkage sleeve, prevent the weight of the linkage sleeve from exerting acting force on the bearing and prevent test data from being influenced.
Drawings
FIG. 1 is a three-dimensional view of the present utility model;
FIG. 2 is a three-dimensional view of a linkage sleeve and linkage structure according to the present utility model;
fig. 3 is a cross-sectional view of fig. 2.
Detailed Description
The utility model provides a wind power generator main shaft 21 bearing test tool, which comprises a base 1, wherein an inclined plane 11 is obliquely arranged on the base 1 along the length direction of the inclined plane 11, a tool seat 2 is arranged on the inclined plane 11, a main shaft 21 is movably arranged on the tool seat 2, the initial end of the main shaft 21 is a mounting end 22 for mounting an external wind power main shaft 21 to be detected, the tail end of the main shaft 21 is provided with a driving piece for driving the main shaft 21 to axially rotate, the mounting end 22 is provided with a linkage sleeve 3 for connecting with the outer ring of the external wind power main shaft 21 to be detected, the linkage sleeve 3 is provided with a first loading piece for applying radial loading to the external wind power main shaft 21 to be detected and a second loading piece for applying axial loading and tilting moment to the external wind power main shaft 21 to be detected, the two sides of the linkage sleeve 3 are respectively provided with a supporting block 31, the two supporting blocks 31 are respectively provided with a first force arm 32, the two first force arms 32 are respectively connected with a hydrostatic bearing actuator loading cylinder 4, the output end of each hydrostatic bearing actuator loading cylinder 4 is coaxially arranged with the respectively adjacent and corresponding first force arm 32, a first joint bearing 41 is connected between the first force arm 32 and the supporting block 31, the hydrostatic bearing actuator loading cylinder 4 is a first loading part, a high-precision load sensor 42 is connected between the hydrostatic bearing actuator loading cylinder 4 and the supporting block 31, the outer wall of the linkage sleeve 3 is connected with four second force arms 33, the four second force arms 33 are distributed on the linkage sleeve 3 in a quadrangle shape, each second force arm 33 is connected with an axial loading cylinder 5, the output end of each axial loading cylinder 5 is coaxially arranged with the respectively adjacent and corresponding second force arm 33, the second joint bearing 51 is connected between the second force arm 33 and the linkage sleeve 3, the axial loading cylinder 5 is a second loading part, the driving part comprises a driving motor 6, the output end of the driving motor 6 is connected with the tail end of the main shaft 21, and a plurality of weight reducing holes 34 are formed in the linkage sleeve 3 in a penetrating mode.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wind-powered electricity generation generator main shaft bearing test device which characterized in that: the wind power main shaft bearing detection device comprises a base, wherein an inclined surface is obliquely arranged on the base along the length direction of the base, a tool seat is arranged on the inclined surface, a main shaft is movably arranged on the tool seat, the initial end of the main shaft is a mounting end for mounting a wind power main shaft bearing to be detected from outside, a driving part for driving the main shaft to axially rotate is arranged at the tail end of the main shaft, a linkage sleeve connected with an outer ring of the wind power main shaft bearing to be detected from outside is arranged at the mounting end of the main shaft, and a first loading part for applying radial loading to the wind power main shaft bearing to be detected from outside and a second loading part for applying axial loading and overturning moment to the wind power main shaft bearing to be detected from outside are arranged on the linkage sleeve.
2. The wind power generator main shaft bearing test device according to claim 1, wherein: the two sides of the linkage sleeve are respectively provided with a supporting block in a protruding mode, the two supporting blocks are respectively provided with a first force arm, the two first force arms are respectively connected with a static pressure supporting actuator loading cylinder, the output end of each static pressure supporting actuator loading cylinder is coaxially arranged with the corresponding adjacent first force arm, a first joint bearing is connected between each first force arm and each supporting block, and the static pressure supporting actuator loading cylinder is a first loading piece.
3. The wind power generator main shaft bearing test device according to claim 2, wherein: and a high-precision load sensor is connected between the loading cylinder of the hydrostatic bearing actuator and the supporting block.
4. The wind power generator main shaft bearing test device according to claim 1, wherein: the four second force arms are distributed on the linkage sleeve in a four-corner mode, each second force arm is connected with an axial loading cylinder, the output end of each axial loading cylinder is coaxially arranged with the corresponding second force arm adjacent to each other, a second joint bearing is connected between the second force arm and the linkage sleeve, and the axial loading cylinders are second loading pieces.
5. The wind power generator main shaft bearing test device according to claim 1, wherein: the driving piece comprises a driving motor, and the output end of the driving motor is connected with the tail end of the main shaft.
6. The wind power generator main shaft bearing test device according to claim 1, wherein: the linkage sleeve is penetrated with a plurality of lightening holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600657.6U CN219474958U (en) | 2023-03-23 | 2023-03-23 | Wind power generator main shaft bearing test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320600657.6U CN219474958U (en) | 2023-03-23 | 2023-03-23 | Wind power generator main shaft bearing test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474958U true CN219474958U (en) | 2023-08-04 |
Family
ID=87458644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320600657.6U Active CN219474958U (en) | 2023-03-23 | 2023-03-23 | Wind power generator main shaft bearing test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474958U (en) |
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2023
- 2023-03-23 CN CN202320600657.6U patent/CN219474958U/en active Active
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