CN218934636U - Bearing pedestal and wind turbine generator - Google Patents
Bearing pedestal and wind turbine generator Download PDFInfo
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- CN218934636U CN218934636U CN202320080661.4U CN202320080661U CN218934636U CN 218934636 U CN218934636 U CN 218934636U CN 202320080661 U CN202320080661 U CN 202320080661U CN 218934636 U CN218934636 U CN 218934636U
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- bearing
- grease
- mounting groove
- bearing mounting
- accumulation
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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 relates to the technical field of wind power generation, and provides a bearing seat and a wind turbine generator. The bearing seat comprises a bearing seat body. Wherein, be provided with the bearing mounting groove on the bearing frame body. The bearing mounting groove is matched with the bearing. The inner side of the bearing mounting groove is provided with a grease accumulation discharge hole. And a grease accumulation area is arranged between the bearing mounting groove and the bearing. The fat accumulation discharge hole is communicated with the fat accumulation region. And the grease accumulation discharge hole is detachably provided with a hole sealing device. Through this kind of structure setting, set up the long-pending fat discharge port that is used for communicating its long-pending fat region in the inboard of bearing mounting groove to can dismantle installation hole sealing device in long-pending fat discharge port department. When the waste lubricating grease stored in the grease storage area needs to be cleaned, the hole sealing device is disassembled, and the stored waste lubricating grease is drawn out through the grease storage discharge hole. Therefore, the accumulated waste lubricating grease in the bearing seat can be cleaned regularly, so that the bearing is effectively protected, and the working reliability of the bearing is ensured.
Description
Technical Field
The utility model relates to the technical field of wind power generation, in particular to a bearing seat and a wind turbine generator.
Background
The wind turbine generator is a device for converting wind energy into electric energy, and generally consists of three parts, namely a tower barrel, a cabin and a wind wheel. In the drive train of a wind turbine, bearings are an essential component. Good bearing lubricating performance is a necessary condition for stable operation of the wind turbine generator. A grease discharging gap is arranged between the bearing seat and the main shaft. When the lubricating grease is replaced, the waste grease is extruded out of the bearing seat through the grease discharging gap. However, there is typically a grease accumulation area in the bearing housing, such as the bearing bottom area. Waste grease in the area cannot be discharged through the grease discharging gap, and long-time accumulation of waste grease can affect the working reliability of the bearing.
Disclosure of Invention
The utility model provides a bearing seat and a wind turbine generator, which are used for solving the problem that the working reliability of a bearing is affected because stored waste grease cannot be discharged from the existing bearing seat.
According to a first aspect of the present utility model there is provided a bearing housing comprising a housing body.
Wherein, be provided with the bearing mounting groove on the bearing frame body. The bearing mounting groove is matched with the bearing. The inner side of the bearing mounting groove is provided with a grease accumulation discharge hole. And a grease accumulation area is arranged between the bearing mounting groove and the bearing. The fat accumulation discharge hole is communicated with the fat accumulation region. And the grease accumulation discharge hole is detachably provided with a hole sealing device.
According to the bearing seat provided by the utility model, the hole sealing device comprises a sealing plate and a fastening piece. The sealing plate is detachably connected to the outer side of the accumulated fat discharging hole through the fastening piece.
According to the bearing seat provided by the utility model, the outer side of the bearing mounting groove is provided with the end cover. And the end cover is provided with a grease inlet. The grease inlet is communicated with the bearing mounting groove.
According to the bearing seat provided by the utility model, the bearing seat body is provided with the grease discharging channel. And a grease discharging gap exists between the bearing seat body and the main shaft. The lipid discharging channel is communicated with the lipid discharging gap.
According to the bearing seat provided by the utility model, the grease discharging channel is positioned at the inner side of the bearing mounting groove. One end of the fat accumulation discharge hole is communicated with the fat accumulation area of the bearing mounting groove, and the other end of the fat accumulation discharge hole is communicated with the fat discharge channel.
According to the bearing seat provided by the utility model, the grease discharging sealing cover is detachably arranged at the outlet of the grease discharging channel.
According to the bearing seat provided by the utility model, a sealing device is arranged between the sealing plate and the accumulated fat discharging hole and/or between the outlet of the fat discharging channel and the fat discharging sealing cover.
According to the bearing seat provided by the utility model, the bearing mounting groove comprises a first bearing mounting groove and a second bearing mounting groove. The first bearing mounting groove and the second bearing mounting groove are respectively arranged at two ends of the bearing seat body.
According to the bearing seat provided by the utility model, the inner side of the first bearing mounting groove and the inner side of the second bearing mounting groove are respectively provided with the accumulated fat discharging hole. And the hole sealing device is detachably arranged at each fat accumulation discharge hole.
According to a second aspect of the utility model there is provided a wind turbine comprising a main shaft, a bearing and a bearing housing as described above.
Wherein, the bearing is installed in the bearing installation groove. The main shaft is connected with the bearing.
In the bearing seat provided by the utility model, the bearing seat body is provided with the bearing mounting groove. The bearing is mounted into the bearing mounting groove. A grease accumulation discharge hole is provided inside the bearing installation groove. The grease accumulation discharging hole is communicated with a grease accumulation area between the bearing and the wall of the bearing mounting groove, and is used for periodically cleaning accumulated waste grease in the grease accumulation area. And the hole sealing device is detachably arranged at the fat accumulation discharge hole. A grease discharging gap is arranged between the bearing seat and the main shaft.
In the normal working process, the hole sealing device seals the accumulated fat discharging hole. When the lubricating grease is replaced, the novel lubricating grease can extrude the waste lubricating grease in the bearing mounting groove through the grease discharging gap, and part of the waste lubricating grease cannot be discharged through the grease discharging gap and can be accumulated in the grease accumulation area. When the waste lubricating grease stored in the grease storage area needs to be cleaned, the hole sealing device is disassembled, and the stored waste lubricating grease is manually drawn out from the grease storage discharge hole.
Through this kind of structure setting, set up the long-pending fat discharge port that is used for communicating its long-pending fat region in the inboard of bearing mounting groove to can dismantle installation hole sealing device in long-pending fat discharge port department. When the waste lubricating grease stored in the grease storage area needs to be cleaned, the hole sealing device is disassembled, and the stored waste lubricating grease is drawn out through the grease storage discharge hole. Therefore, the accumulated waste lubricating grease in the bearing seat can be cleaned regularly, so that the bearing is effectively protected, and the working reliability of the bearing is ensured.
Further, in the wind turbine generator provided by the utility model, the wind turbine generator also has the advantages as described above because the wind turbine generator comprises the bearing seat.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a part of a wind turbine generator system according to the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
reference numerals:
100. a bearing housing body; 101. a first groove wall; 102. a second groove wall; 103. a bearing mounting groove; 200. a bearing; 300. a fat accumulation discharge hole; 400. a hole sealing device; 401. a sealing plate; 402. a fastener; 500. an end cap; 600. a lipid discharging channel; 601. a grease discharging sealing cover; 700. a lipid discharging gap; 800. a main shaft.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present utility model will be understood in detail by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples, as well as features of various embodiments or examples, described in this specification may be combined and combined to further clarify the objects, aspects and advantages of embodiments of the present utility model, without departing from the spirit and scope of the utility model, and it should be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The following describes a bearing seat and a wind turbine generator provided by the embodiment of the utility model with reference to fig. 1 and 2. It should be understood that the following description is only illustrative of the embodiments of the utility model and is not intended to limit the utility model in any way.
An embodiment of the first aspect of the present utility model provides a bearing housing, as shown in fig. 1 and 2, comprising a housing body 100.
Wherein, the bearing housing body 100 is provided with a bearing mounting groove 103. The bearing mounting groove 103 is adapted to the bearing 200. The bearing mounting groove 103 is provided inside with a grease accumulation discharge hole 300. A grease accumulation area exists between the bearing mounting groove 103 and the bearing 200. The fat accumulation drain hole 300 communicates with the fat accumulation region. The sealing device 400 is detachably installed at the fat accumulation drain hole 300.
In the bearing housing provided by the present utility model, the bearing housing body 100 is provided with the bearing mounting groove 103. The bearing 200 is mounted into the bearing mounting groove 103. A grease discharging hole 300 is provided inside the bearing mounting groove 103. The grease discharging hole 300 communicates with a grease accumulating region between the bearing 200 and the wall of the bearing mounting groove 103, and the grease discharging hole 300 is used to periodically clean up the accumulated waste grease in the grease accumulating region. The sealing device 400 is detachably installed at the fat deposition discharging hole 300. A grease discharging gap 700 is provided between the bearing housing and the main shaft 800.
During normal operation, the sealing device 400 seals the accumulated fat discharging hole 300. When the lubricating grease is replaced, the new lubricating grease can extrude the waste lubricating grease in the bearing mounting groove 103 through the grease discharging gap 700, and part of the waste lubricating grease cannot be discharged through the grease discharging gap 700 and can be accumulated in a grease accumulation area. When the waste lubricating grease stored in the grease storage area needs to be cleaned, the hole sealing device 400 is disassembled, and the stored waste lubricating grease is manually drawn out from the grease storage discharge hole 300.
With this structural arrangement, the grease accumulation discharge hole 300 for communicating the grease accumulation region thereof is opened inside the bearing mounting groove 103, and the sealing device 400 is detachably mounted at the grease accumulation discharge hole 300. When the waste lubricating grease stored in the grease accumulation area needs to be cleaned, the hole sealing device 400 is disassembled, and the stored waste lubricating grease is scraped out through the grease accumulation discharge hole 300. Therefore, the accumulated waste lubricating grease in the bearing seat can be cleaned regularly, so that the bearing 200 is effectively protected, and the working reliability of the bearing 200 is ensured.
In the embodiment shown in fig. 1, the bearing housing body 100 includes a first slot wall 101 and a second slot wall 102. The first groove wall 101 is disposed perpendicularly to the second groove wall 102, and both together constitute a bearing mounting groove 103. The outer race of the bearing 200 is attached to the first groove wall 101, and the inner end surface of the bearing 200 is attached to the second groove wall 102. The main shaft 800 is penetrated into the inner ring of the bearing 200. A grease discharging gap 700 is formed between the second groove wall 102 and the side wall of the main shaft 800. The accumulated fat discharging hole 300 is opened to the second groove wall 102. The region between the second groove wall 102 and the inner end surface of the bearing 200 away from the grease discharging gap 700 is a grease accumulation region.
In one embodiment of the utility model, the sealing device 400 includes a sealing plate 401 and a fastener 402. The closing plate 401 is detachably attached to the outside of the fat deposition outlet hole 300 by a fastener 402.
For example, as shown in fig. 1 and 2, the size of the fat accumulation drain hole 300 should be large enough to enable a worker to manually scoop out the accumulated waste fat. The size of the sealing plate 401 is larger than the size of the fat deposition outlet hole 300 so that the sealing plate 401 can completely cover the fat deposition outlet hole 300. For example, the sealing plate 401 is attached to the fat deposition outlet hole 300 by screws. When the stored waste grease needs to be cleaned, the sealing plate 401 is disassembled, and the stored waste grease in the grease accumulation area is manually drawn out from the grease accumulation discharging hole 300. After cleaning, the sealing plate 401 is plugged and connected to the grease discharging hole 300 through a screw.
In one embodiment of the present utility model, an end cap 500 is mounted on the outside of the bearing mounting groove 103. The end cap 500 is provided with a grease inlet. The grease inlet communicates with the bearing mounting groove 103.
Further, in one embodiment of the present utility model, the bearing housing body 100 is provided with a lipid discharging channel 600. A grease discharging gap 700 exists between the bearing housing body 100 and the main shaft 800. The lipid discharge channel 600 communicates with the lipid discharge gap 700.
In still another embodiment of the present utility model, the lipid discharging cover 601 is detachably installed at the outlet of the lipid discharging channel 600.
For example, as shown in fig. 1 and 2, an end cap 500 is installed at the outer side of the bearing housing body 100. The end cap 500 is disposed opposite the second slot wall 102. The end cap 500 is connected to the bearing housing body 100 by bolts. The end cap 500 is provided with a grease inlet. The grease inlet is connected with the pressure pump through a pipeline. The inner side of the second groove wall 102 is provided with a lipid discharging channel 600. The grease discharging passage 600 communicates with the grease discharging gap 700 between the bearing housing body 100 and the main shaft 800. A lipid discharging cover 601 is installed at the outlet of the lipid discharging channel 600.
In the process of replacing the grease, the grease discharging cover 601 is first disassembled, and then new grease is injected into the bearing mounting groove 103 by using the pressure pump, so that the grease can be extruded into the bearing 200 to perform a lubrication function. The new lubricating grease can press the waste lubricating grease into the grease discharging passage 600 through the grease discharging gap 700 and is discharged through the outlet of the grease discharging passage 600. After the replacement of the lubricating grease is finished, the grease discharging cover 601 is plugged to the outlet of the grease discharging channel 600.
In one embodiment of the present utility model, the grease relief passage 600 is positioned inside the bearing mounting groove 103. One end of the grease discharging hole 300 communicates with the grease accumulating region of the bearing mounting groove 103. The other end of the fat accumulation exhaust hole 300 communicates with the fat exhaust channel 600. When the stored waste grease in the grease accumulation area needs to be cleaned, the grease discharging cover 601 and the sealing plate 401 are firstly opened in sequence, and then hands are stretched into the middle grease discharging hole 300 through the grease discharging channel 600 to draw out the stored waste grease.
In a further embodiment of the utility model sealing means are provided between the closing plate 401 and the fat deposition drain hole 300 and/or between the outlet of the fat discharge channel 600 and the fat discharge cover 601. For example, sealing grooves are provided on the inner side of the sealing plate 401 and the inner side of the grease discharging cover 601, respectively, and sealing rings are installed in the sealing grooves. Therefore, lubricating grease can be prevented from leaking, and the tightness of the whole structure is improved.
In one embodiment of the present utility model, the bearing mounting groove 103 includes a first bearing mounting groove and a second bearing mounting groove. The first bearing mounting groove and the second bearing mounting groove are provided at both ends of the bearing housing body 100, respectively.
In one embodiment of the present utility model, one grease discharging hole 300 is provided at the inner side of the first bearing mounting groove and the inner side of the second bearing mounting groove, respectively. The hole sealing device 400 is detachably installed at each of the fat accumulation drain holes 300.
Wherein, the upwind bearing 200 is installed in the first bearing installation groove, and the downwind bearing 200 is installed in the second bearing installation groove. The main shaft 800 is inserted between the upwind bearing 200 and the downwind bearing 200. The grease discharging hole 300 inside the first bearing installation groove is used to discharge the accumulated waste grease between the windward bearing 200 and the first bearing installation groove. The grease discharging hole 300 inside the second bearing installation groove is used to discharge the accumulated waste grease between the leeward bearing 200 and the second bearing installation groove. When the waste grease cleaning is required, the corresponding hole sealing device 400 can be disassembled.
An embodiment of the second aspect of the present utility model provides a wind turbine comprising a main shaft 800, a bearing 200 and a bearing housing as described above. Wherein the bearing 200 is mounted in the bearing mounting groove 103. The main shaft 800 is connected to the bearing 200.
Further, in the wind turbine generator provided by the utility model, the wind turbine generator also has the advantages as described above because the wind turbine generator comprises the bearing seat.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A bearing seat is characterized by comprising a bearing seat body,
the bearing seat comprises a bearing seat body, wherein a bearing mounting groove is formed in the bearing seat body, the bearing mounting groove is matched with a bearing, a grease accumulation discharging hole is formed in the inner side of the bearing mounting groove, a grease accumulation area is formed between the bearing mounting groove and the bearing, the grease accumulation discharging hole is communicated with the grease accumulation area, and a hole sealing device is detachably arranged at the grease accumulation discharging hole.
2. The housing according to claim 1, wherein the sealing means comprises a sealing plate and a fastener, the sealing plate being detachably connected to the outside of the grease discharging hole by the fastener.
3. The bearing housing of claim 2, wherein an end cap is mounted to the outside of the bearing mounting groove, and wherein a grease inlet is provided on the end cap, the grease inlet being in communication with the bearing mounting groove.
4. A bearing seat according to claim 3, wherein a grease discharging channel is arranged on the bearing seat body, a grease discharging gap exists between the bearing seat body and the main shaft, and the grease discharging channel is communicated with the grease discharging gap.
5. The housing of claim 4, wherein said grease relief passage is located inside said bearing mounting groove, one end of said grease relief hole being in communication with a grease relief area of said bearing mounting groove, and the other end of said grease relief hole being in communication with said grease relief passage.
6. The housing of claim 4, wherein a grease removal cover is removably mounted at the outlet of the grease removal passage.
7. A housing according to claim 6, wherein sealing means are provided between the sealing plate and the grease relief holes and/or between the outlet of the grease relief passage and the grease relief cover.
8. The bearing housing of claim 1, wherein the bearing mounting groove comprises a first bearing mounting groove and a second bearing mounting groove, the first bearing mounting groove and the second bearing mounting groove being disposed at opposite ends of the housing body, respectively.
9. The bearing housing of claim 8, wherein one of said grease accumulation drain holes is provided on an inner side of said first bearing mounting groove and an inner side of said second bearing mounting groove, respectively, and said sealing means is detachably installed at each of said grease accumulation drain holes.
10. Wind turbine comprising a main shaft, a bearing and a bearing housing according to any of claims 1 to 9,
the bearing is installed in the bearing installation groove, and the main shaft is connected with the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080661.4U CN218934636U (en) | 2023-01-13 | 2023-01-13 | Bearing pedestal and wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320080661.4U CN218934636U (en) | 2023-01-13 | 2023-01-13 | Bearing pedestal and wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218934636U true CN218934636U (en) | 2023-04-28 |
Family
ID=86094744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320080661.4U Active CN218934636U (en) | 2023-01-13 | 2023-01-13 | Bearing pedestal and wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218934636U (en) |
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2023
- 2023-01-13 CN CN202320080661.4U patent/CN218934636U/en active Active
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