CN216894742U - Offshore wind generating set bearing seal test device - Google Patents
Offshore wind generating set bearing seal test device Download PDFInfo
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- CN216894742U CN216894742U CN202123257701.8U CN202123257701U CN216894742U CN 216894742 U CN216894742 U CN 216894742U CN 202123257701 U CN202123257701 U CN 202123257701U CN 216894742 U CN216894742 U CN 216894742U
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- flange
- side flange
- cavity
- slewing bearing
- base plate
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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
- Y02E10/727—Offshore wind turbines
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Abstract
The utility model discloses a bearing sealing element test device of an offshore wind generating set, which comprises a driving motor, a slewing bearing, an inner side flange assembly, an outer side flange assembly, an upper base plate and a lower base plate, wherein the driving motor is arranged on an outer ring of the slewing bearing, the inner side flange assembly is arranged at the bottom of an inner ring of the slewing bearing, the outer side flange assembly is arranged at the bottom of the outer ring of the slewing bearing, a first cavity for installing a sealing element to be tested is formed between the upper part of the inner wall of the outer side flange assembly and the outer wall of the inner side flange assembly, the upper base plate is connected to the bottom of the inner side flange assembly, the lower base plate is connected to the bottom of the outer side flange assembly, and a second cavity for injecting high-pressure liquid is formed by the upper base plate, the lower base plate and the lower part of the inner wall of the outer side flange assembly. The utility model can verify the compression resistance, the ageing resistance and the salt resistance of the roller bearing sealing element used in seawater, and the test result is accurate and visual.
Description
Technical Field
The utility model relates to the technical field of offshore wind generating sets, in particular to a testing device for a bearing sealing element of an offshore wind generating set.
Background
With the increasing energy consumption and the increasing demand for environmental protection, the development of new renewable energy is more and more emphasized, wherein wind power generation is one of the fastest-developing new energy, and the design of a wind generating set becomes a vital technology in the wind energy industry. In recent years, wind generating sets have a trend from land to the sea, and due to the particularity of the working environment at the sea, the components in the wind generating sets are required to have high working performance so as to ensure the stability and reliability of the operation of the wind generating sets. Roller bearing can be used to offshore wind turbine generator system, especially to the roller bearing who uses under the sea water, its sealing performance has very high requirement, need verify to the resistance to compression, ageing resistance and the salt resistance ability of its sealing member to guarantee the safe operation of unit, but prior art lacks this kind of corresponding experimental facilities and carries out relevant detection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides the offshore wind turbine generator system bearing sealing element testing device which is simple in structure, convenient to operate and low in cost, aims at verifying the compression resistance, the ageing resistance and the salt resistance of the bearing sealing element used in seawater, and is accurate and visual in test result.
In order to realize the purpose, the technical scheme provided by the utility model is as follows: a bearing sealing element test device of an offshore wind generating set comprises a driving motor, a driving flange, a slewing bearing, an inner side flange assembly, an outer side flange assembly, an upper base plate, a lower base plate, a sealing element to be tested, an electric pressure test pump and a pressure gauge, wherein the driving motor is arranged on an outer ring of the slewing bearing through the driving flange, an output gear of the driving motor is meshed with an inner ring of the slewing bearing, the inner side flange assembly is arranged at the bottom of the inner ring of the slewing bearing and is connected with the inner ring of the slewing bearing into a whole, the inner ring of the slewing bearing is driven by the driving motor to drive the inner side flange assembly to rotate, the outer side flange assembly is arranged at the bottom of the outer ring of the slewing bearing and is connected with the outer ring of the slewing bearing into a whole, and a first cavity for installing the sealing element to be tested is formed between the upper part of the inner wall of the outer side flange assembly and the outer wall of the inner side flange assembly, the utility model discloses a high-pressure liquid injection device, including upper plate, lower plate, first cavity, electric pressure testing pump, manometer, inboard flange subassembly, upper plate, lower plate, the lower part of upper plate, lower plate and outside flange subassembly encloses the formation by the lower part of the inner wall of upper plate, lower plate and outside flange subassembly and becomes the second cavity that is used for pouring into high-pressure liquid into, and second cavity and first cavity intercommunication, electric pressure testing pump and manometer are connected with the second cavity respectively to be used for respectively to pour into high-pressure liquid into in the second cavity and detect the pressure in the second cavity.
Further, the inside flange assembly comprises an inside upper flange and an inside lower flange which are connected with each other and a sealing ring arranged between the two flanges.
Further, the outside flange subassembly is including the flange and locating the sealing washer between two adjacent flanges in the outside on the outside that connects gradually, flange and outside down in the outside.
Furthermore, an observation hole communicated with the first cavity is processed on the outer upper flange and is used for observing the water leakage condition of the sealing element to be detected.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
by adopting the bearing sealing element test device, the compression resistance, the ageing resistance, the salt resistance and the like of the roller bearing sealing element used in seawater can be verified, the sealing performance of the bearing sealing element under the working conditions of high pressure, high salt corrosion and high rotating speed can be effectively measured, the test result is accurate and visual, the whole structure is simple, the test operation is convenient, the cost is low, and the applicability is wide.
Drawings
FIG. 1 is a schematic view of the overall structure of the test apparatus of the present invention.
Fig. 2 is a partially enlarged view of a point a in fig. 1.
Fig. 3 is a front view of the outboard upper flange of the present invention.
Fig. 4 is a sectional view taken along line B of fig. 3.
Detailed Description
The present invention is further illustrated with reference to the following specific examples, but the mode of use of the present invention is not limited thereto.
As shown in fig. 1 to 2, the testing apparatus for a bearing sealing member of an offshore wind turbine generator set in this embodiment includes a driving motor 1, a driving flange 2, a slewing bearing 3, an inner flange assembly 4, an outer flange assembly 5, an upper base plate 6, a lower base plate 7, a sealing member 8 to be tested, an electric pressure test pump 9 and a pressure gauge 10, wherein the slewing bearing 3 is preferably a double-row ball slewing bearing 3, the driving motor 1 is mounted on an outer ring 301 of the slewing bearing 3 through the driving flange 2, an output gear of the driving motor is meshed with an inner ring 302 of the slewing bearing 3, the inner flange assembly 4 is disposed at the bottom of the inner ring 302 of the slewing bearing 3 and is connected with the inner ring 302 of the slewing bearing 3 into a whole through bolts, the driving motor 1 drives the inner ring 302 of the slewing bearing 3 to drive the inner flange assembly 4 to rotate, the outer flange assembly 5 is disposed at the bottom of the outer ring 301 of the slewing bearing 3, and is connected with the outer ring 301 of the slewing bearing 3 into a whole through bolts, and a first cavity 11 for installing a sealing element 8 to be tested is formed between the upper part of the inner wall of the outer flange component 5 and the outer wall of the inner flange component 4, the sealing element 8 to be tested of the embodiment comprises a main sealing element 801, a waterproof sealing element 802 and a sealing isolation ring 803, the upper base plate 6 is welded at the bottom of the inner side flange component 4, the lower base plate 7 is welded at the bottom of the outer side flange component 5, a second cavity 12 for injecting high-pressure liquid is formed by the upper base plate 6, the lower base plate 7 and the lower surrounding part of the inner wall of the outer side flange component 5, the second cavity 12 is communicated with the first cavity 11, the electric pressure test pump 9 and the pressure gauge 10 are respectively connected with the second cavity 12, and are used to inject high pressure liquid into the second chamber 12 and to detect the pressure within the second chamber 12, respectively.
Specifically, the inner flange assembly 4 includes an inner upper flange 401 and an inner lower flange 402 connected to each other and a sealing ring disposed between the two flanges, and the outer flange assembly 5 includes an outer upper flange 501, an outer middle flange 502 and an outer lower flange 503 connected in sequence and a sealing ring disposed between two adjacent flanges. Further, the shape and size of the first cavity 11 between the inner flange assembly 4 and the outer flange assembly 5 can be manufactured according to the structure of the actual sealing element 8 to be tested, so as to meet the actual testing requirements.
In addition, as shown in fig. 3 and 4, an observation hole 5011 communicating with the first cavity 11 may be formed in the outer upper flange 501, and a worker may visually observe the water leakage condition of the sealing element 8 to be tested in real time through the observation hole during the test.
The operation method of the test device comprises the following steps:
1) assembling the sealing element to be tested and the test device together;
2) injecting high-pressure liquid into the second cavity through the electric pressure test pump, verifying the compression resistance of the sealing element to be tested by adjusting the pressure, and setting the water pressure according to the installation positions of the sealing element to be tested at different depths under the seawater to verify the pressure maintaining performance of the sealing element to be tested;
3) the slewing bearing is driven to rotate by the driving motor, and the rotating speed is at least above 15rpm so as to verify the wear resistance of the sealing element to be tested;
4) and the test is operated for a period of time, the water leakage condition of the sealing element to be detected is observed through the observation hole in the operation process, and whether the sealing performance is qualified or not is judged according to the water leakage condition.
Meanwhile, the salt resistance of the sealing element to be tested can be verified by adjusting the salt content of the injected high-pressure liquid, and the components of the liquid can be correspondingly adjusted according to different working conditions so as to verify the sealing performance under different conditions.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.
Claims (4)
1. The utility model provides an offshore wind generating set bearing seal spare test device which characterized in that: the sealing device comprises a driving motor, a driving flange, a slewing bearing, an inner side flange component, an outer side flange component, an upper base plate, a lower base plate, a sealing element to be tested, an electric pressure test pump and a pressure gauge, wherein the driving motor is arranged on the outer ring of the slewing bearing through the driving flange, an output gear of the driving motor is meshed with the inner ring of the slewing bearing, the inner side flange component is arranged at the bottom of the inner ring of the slewing bearing and is connected with the inner ring of the slewing bearing into a whole, the inner side flange component is driven by the driving motor to drive the inner ring of the slewing bearing to rotate, the outer side flange component is arranged at the bottom of the outer ring of the slewing bearing and is connected with the outer ring of the slewing bearing into a whole, a first cavity for installing the sealing element to be tested is formed between the upper part of the inner wall of the outer side flange component and the outer wall of the inner side flange component, and the upper base plate is connected with the bottom of the inner side flange component, the lower base plate is connected to the bottom of outside flange subassembly, encloses the configuration by the lower part of the inner wall of upper plate, lower plate and outside flange subassembly and becomes the second cavity that is used for pouring into high-pressure liquid into, and second cavity and first cavity intercommunication, electric pressure testing pump and manometer respectively with second cavity connection to be used for respectively pouring into high-pressure liquid into the second cavity and detect the pressure in the second cavity.
2. The testing device for the bearing seal of the offshore wind generating set according to claim 1, characterized in that: the inboard flange subassembly includes interconnect's inboard upper flange and inboard lower flange and is equipped with the sealing washer between two flanges.
3. The testing device for the bearing seal of the offshore wind generating set according to claim 1, characterized in that: the outer flange assembly comprises an outer upper flange, an outer middle flange, an outer lower flange and a sealing ring arranged between two adjacent flanges, wherein the outer upper flange, the outer middle flange and the outer lower flange are sequentially connected.
4. The testing device for the bearing seal of the offshore wind generating set according to claim 3, characterized in that: and an observation hole communicated with the first cavity is processed on the outer upper flange and is used for observing the water leakage condition of the sealing element to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123257701.8U CN216894742U (en) | 2021-12-20 | 2021-12-20 | Offshore wind generating set bearing seal test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123257701.8U CN216894742U (en) | 2021-12-20 | 2021-12-20 | Offshore wind generating set bearing seal test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216894742U true CN216894742U (en) | 2022-07-05 |
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ID=82206629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123257701.8U Active CN216894742U (en) | 2021-12-20 | 2021-12-20 | Offshore wind generating set bearing seal test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216894742U (en) |
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2021
- 2021-12-20 CN CN202123257701.8U patent/CN216894742U/en active Active
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