CN201795920U - Testing system for yaw bearing of wind turbine generator set - Google Patents
Testing system for yaw bearing of wind turbine generator set Download PDFInfo
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- CN201795920U CN201795920U CN2010205073538U CN201020507353U CN201795920U CN 201795920 U CN201795920 U CN 201795920U CN 2010205073538 U CN2010205073538 U CN 2010205073538U CN 201020507353 U CN201020507353 U CN 201020507353U CN 201795920 U CN201795920 U CN 201795920U
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- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000012806 monitoring device Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a testing system for the yaw bearing of a wind turbine generator set. The testing system comprises a base, a main testing bearing, a monitoring device, an accompanying testing bearing, a driving device and a top rack, wherein the main testing bearing is fixedly connected with the base; the monitoring device is connected with the main testing bearing and is used for monitoring the parameters of the main testing bearing; the accompanying testing bearing is fixedly connected with a main testing gear through a middle connecting cylinder; the driving device is arranged on the external of the middle connecting cylinder and is used for providing driving force to the main testing bearing; and the top rack is connected with the accompanying testing bearing through a flange, the two ends of the top rack are fixedly supported respectively by axial cylinders which are vertically arranged and are used for providing upsetting moment and axial force to the main testing bearing, and one end of the top rack is fixed through a radial cylinder which is horizontally arranged and is used for providing radial force to the main testing bearing. The utility model has the advantages that the application environment of the bearing to be tested is really simulated and the credibility of test data is effectively improved.
Description
Technical Field
The utility model relates to a wind generating set test technique especially relates to wind generating set driftage bearing test system.
Background
With the continuous development of human society, the demand for energy is also increasing, and the excessive exploitation of non-renewable energy sources (such as coal, oil, natural gas, etc.) causes the exhaustion of the non-renewable resources, and also brings social problems such as environmental pollution, etc. Wind energy is used as renewable energy, and the reserves which can be developed and utilized in China exceed 10 hundred million kilowatts, so that the state ranks the rapid development of wind power generation as one of the national policies of China from one fiftieth.
At present, a wind generating set is developing towards the direction of high megawatt power, a tower barrel where the high megawatt wind generating set is located can be connected with an impeller through a yaw bearing, so that the direction of the impeller can be adjusted through the yaw bearing, and therefore the reliability of the yaw bearing has very important influence on the work of the wind generating set. If the yaw bearing has problems, the work of the wind generating set must be stopped, and the yaw bearing is replaced after the wind generating set is hoisted to the ground, so that the efficiency is affected and the cost is high. Therefore, ground testing of the yaw bearing before use is important.
However, in the prior art, the actual simulation test system for the yaw bearing can only be carried out on a small yaw bearing, and the test on a large yaw bearing is only designed and checked through general theoretical calculation; or the inner ring and the outer ring of the yaw bearing rotate relatively to check whether oil leaks; or the starting torque of the yaw bearing is estimated by the current of the driving motor, and the operation data under the actual load is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind generating set driftage bearing test system for solve the defect among the prior art, make high-power wind generating set's driftage bearing's actual load test possible.
The utility model provides a wind generating set driftage bearing test system, include:
a base;
the main test bearing is fixedly connected with the base;
the monitoring device is connected with the main test bearing and is used for monitoring the parameters of the main test bearing;
the test-accompanying bearing is fixedly connected with the main test gear through an intermediate connecting cylinder;
the driving device is positioned on the outer side of the intermediate connecting cylinder and used for providing driving force for the main bearing;
the top frame is connected with the test-accompanying bearing through a flange, two ends of the top frame are fixedly supported through axial cylinders arranged in the vertical direction respectively, and the axial cylinders are used for providing overturning moment and axial force for the main test bearing; one end of the top frame is fixed through a horizontally arranged radial cylinder, and the radial cylinder is used for providing radial force for the main test bearing.
According to the yaw bearing test system of the wind generating set, the main test bearing comprises an inner ring and an outer ring which can rotate relatively; the test-accompanying bearing comprises an inner ring and an outer ring which can rotate relatively;
the base is fixedly connected with the inner ring of the main test bearing, one end of the intermediate connecting cylinder is fixedly connected with the outer ring of the main test bearing, and the other end of the intermediate connecting cylinder is fixedly connected with the outer ring of the auxiliary test bearing; or,
the base with the outer lane fixed connection of main examination bearing, the one end of intermediate junction section of thick bamboo with the inner circle fixed connection of main examination bearing, the other end of intermediate junction section of thick bamboo with accompany the inner circle fixed connection of examination bearing.
According to the yaw bearing test system of the wind generating set, the axial cylinders at the two ends of the top frame are the upper axial cylinder and the lower axial cylinder respectively, and the radial cylinder is located at one end where the upper axial cylinder is located.
According to the yaw bearing test system of the wind generating set, the number of the driving devices is multiple, and the driving devices are uniformly distributed on the main test bearing.
The wind generating set yaw bearing test system as described above, the monitoring device includes: at least one of a temperature monitoring device, a vibration monitoring device, a sealing performance monitoring device, and a starting torque monitoring device.
The utility model provides a wind generating set driftage bearing test system fixes on the base through being surveyed the bearing as the dominant survey bearing, is surveyed the bearing and is accompanied the inner circle or the outer lane of surveying the bearing and fixed together with the intermediate junction section of thick bamboo. During testing, the force applied to the top frame by the axial cylinder forms overturning moment and axial force borne by the tested bearing, and the acting force of the radial cylinder on the top frame enables the tested bearing to be subjected to radial force, so that the application environment of the tested bearing is truly simulated, and the reliability of test data is effectively improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a yaw bearing testing system of a wind turbine generator system provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a yaw bearing testing system of a wind turbine generator system provided by an embodiment of the present invention, as shown in fig. 1, the testing system includes: the device comprises a base 8, a main test bearing 9, a monitoring device (not shown in the figure), an intermediate connecting cylinder 6, an auxiliary test bearing 5, a driving device 7, a flange 4, a top frame 3, an axial cylinder (comprising an upper axial cylinder 2 and a lower axial cylinder 10) and a radial cylinder 1.
Wherein, the main test bearing 9 is fixedly connected with the base 8; the monitoring device is connected with the main test bearing 9 and is used for detecting various parameters of the main test bearing 9; the test-accompanying bearing 5 is fixedly connected with the main test bearing 9 through the middle connecting cylinder 6; the driving device 7 is positioned outside the middle connecting cylinder 6 and used for improving the driving force for the main bearing 9; roof-rack 3 is connected with accompanying examination bearing 5 through flange 4, and the axial jar that sets up through vertical direction respectively carries out fixed stay at the both ends of this roof-rack 3, goes up axial jar 2 and axial jar 10 down and is used for providing overturning moment and axial force for main examination bearing 9, and the radial jar 1 that the one end of this roof-rack 3 set up through the level is fixed, and this radial jar 1 is used for providing radial force for main examination bearing 9, and this radial jar 1 can be located the one end at axial jar 2 place.
The upper axial cylinder 2 and the lower axial cylinder 10 may or may not be simultaneously operated in synchronization. The upper axial cylinder 2, the lower axial cylinder 10 and the radial cylinder 1 are all preferably hydraulically driven cylinders.
The main test bearing 9 is a tested bearing and comprises an inner ring and an outer ring which can rotate relatively, and the auxiliary test bearing 5 is a bearing which is completely the same as the tested bearing and comprises an inner ring and an outer ring which can rotate relatively.
When the base 8 is fixedly connected with the inner ring of the main test bearing 9, one end of the middle connecting cylinder 6 is fixedly connected with the outer ring of the main test bearing 9, and the other end of the middle connecting cylinder 6 is fixedly connected with the outer ring of the test-assistant bearing 5; or, when the base 8 is fixedly connected with the outer ring of the main bearing 9, one end of the intermediate connecting cylinder 6 is fixedly connected with the inner ring of the main bearing 9, and the other end of the intermediate connecting cylinder 6 is fixedly connected with the inner ring of the auxiliary bearing 5.
The drive device 7 may be provided in plurality, preferably evenly distributed over the main bearing 9. The monitoring devices not shown in fig. 1 may include a number of devices, such as temperature monitoring devices, vibration monitoring devices, sealability monitoring devices, starting torque monitoring devices, and the like.
The yaw bearing test system of the wind generating set provided by the embodiment is provided with the test-accompanying bearing, so that the tested bearing can rotate the inner ring or the outer ring of the tested bearing through the force provided by the driving device, and the operation of the yaw bearing under the actual working condition is simulated; the detection device can detect parameters such as deformation vibration and the like loaded on each position of the yaw bearing in the rotation process of the yaw bearing; the top frame is controlled by various hydraulic drive cylinders to load the main test bearing, so that the performance test of the yaw bearing of the high-power wind generating set under the actual working condition is realized. In conclusion, the yaw bearing test system of the wind generating set provided by the embodiment truly simulates the application environment of the tested bearing, and the reliability of test data is effectively improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a wind generating set driftage bearing test system which characterized in that includes:
a base;
the main test bearing is fixedly connected with the base;
the monitoring device is connected with the main test bearing and is used for monitoring the parameters of the main test bearing;
the test-accompanying bearing is fixedly connected with the main test gear through an intermediate connecting cylinder;
the driving device is positioned on the outer side of the intermediate connecting cylinder and used for providing driving force for the main bearing;
the top frame is connected with the test-accompanying bearing through a flange, two ends of the top frame are fixedly supported through axial cylinders arranged in the vertical direction respectively, and the axial cylinders are used for providing overturning moment and axial force for the main test bearing; one end of the top frame is fixed through a horizontally arranged radial cylinder, and the radial cylinder is used for providing radial force for the main test bearing.
2. The wind generating set yaw bearing test system of claim 1, wherein the main test bearing includes an inner race and an outer race that are relatively rotatable; the test-accompanying bearing comprises an inner ring and an outer ring which can rotate relatively;
the base is fixedly connected with the inner ring of the main test bearing, one end of the intermediate connecting cylinder is fixedly connected with the outer ring of the main test bearing, and the other end of the intermediate connecting cylinder is fixedly connected with the outer ring of the auxiliary test bearing; or,
the base with the outer lane fixed connection of main examination bearing, the one end of intermediate junction section of thick bamboo with the inner circle fixed connection of main examination bearing, the other end of intermediate junction section of thick bamboo with accompany the inner circle fixed connection of examination bearing.
3. The wind generating set yaw bearing test system of claim 1, wherein the axial cylinders at the two ends of the top frame are an upper axial cylinder and a lower axial cylinder, respectively, and the radial cylinder is located at one end where the upper axial cylinder is located.
4. The wind generating set yaw bearing test system of any one of claims 1 to 3, wherein the number of the driving devices is multiple and is evenly distributed on the main test bearing.
5. The wind generating set yaw bearing test system of any one of claims 1 to 3, wherein the monitoring device comprises: at least one of a temperature monitoring device, a vibration monitoring device, a sealing performance monitoring device, and a starting torque monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205073538U CN201795920U (en) | 2010-08-26 | 2010-08-26 | Testing system for yaw bearing of wind turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205073538U CN201795920U (en) | 2010-08-26 | 2010-08-26 | Testing system for yaw bearing of wind turbine generator set |
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| Publication Number | Publication Date |
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| CN201795920U true CN201795920U (en) | 2011-04-13 |
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| CN2010205073538U Expired - Lifetime CN201795920U (en) | 2010-08-26 | 2010-08-26 | Testing system for yaw bearing of wind turbine generator set |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134680A (en) * | 2011-12-02 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Testing device and method of yaw bearing |
| CN103217279A (en) * | 2013-01-16 | 2013-07-24 | 青岛华瑞丰机械有限公司 | Yaw system test stand of wind driven generator |
| CN105102954A (en) * | 2013-03-21 | 2015-11-25 | Osmos股份有限公司 | Method for monitoring deformation of rotating element via monitoring device employing optical fibre, and wind turbine equipped with such device |
| CN111504681A (en) * | 2020-05-11 | 2020-08-07 | 大连理工大学 | Yaw brake system friction test device and yaw brake test method |
| CN114252265A (en) * | 2022-01-25 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Bearing working condition simulation test bed |
| CN118168802A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing belt carries rotatory precision detection device |
-
2010
- 2010-08-26 CN CN2010205073538U patent/CN201795920U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134680A (en) * | 2011-12-02 | 2013-06-05 | 华锐风电科技(集团)股份有限公司 | Testing device and method of yaw bearing |
| CN103134680B (en) * | 2011-12-02 | 2016-01-13 | 华锐风电科技(集团)股份有限公司 | Driftage bearing testing device and method |
| CN103217279A (en) * | 2013-01-16 | 2013-07-24 | 青岛华瑞丰机械有限公司 | Yaw system test stand of wind driven generator |
| CN105102954A (en) * | 2013-03-21 | 2015-11-25 | Osmos股份有限公司 | Method for monitoring deformation of rotating element via monitoring device employing optical fibre, and wind turbine equipped with such device |
| CN111504681A (en) * | 2020-05-11 | 2020-08-07 | 大连理工大学 | Yaw brake system friction test device and yaw brake test method |
| CN114252265A (en) * | 2022-01-25 | 2022-03-29 | 中国铁建重工集团股份有限公司 | Bearing working condition simulation test bed |
| CN118168802A (en) * | 2024-05-15 | 2024-06-11 | 洛阳轴承集团股份有限公司 | Bearing belt carries rotatory precision detection device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
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Granted publication date: 20110413 |