CN217999800U - Pitch bearing protection device for wind driven generator - Google Patents
Pitch bearing protection device for wind driven generator Download PDFInfo
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- CN217999800U CN217999800U CN202220953009.4U CN202220953009U CN217999800U CN 217999800 U CN217999800 U CN 217999800U CN 202220953009 U CN202220953009 U CN 202220953009U CN 217999800 U CN217999800 U CN 217999800U
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Abstract
The utility model discloses a variable-pitch bearing protection device for a wind driven generator, which comprises a main body unit, wherein the protection shell is connected with a bearing and a base through bolts and is connected with an oil inlet pipe and an oil discharge pipe, and the protection shell is also provided with an improved oil inlet and oil discharge device; wherein fix the protecting crust on the bearing can block the ball piece when becoming the inside ball of oar bearing and garrulous splitting, avoid it to cause destruction to the all the other parts of wheel hub, the oil feed device that the improvement was crossed can realize the purpose of more quick more even refueling, the oil extraction device that the improvement was crossed has made things convenient for fortune dimension personnel to the change of waste oil tank, and has bigger volume and be difficult for overflowing and be convenient for fortune dimension personnel to observe.
Description
Technical Field
The utility model belongs to the technical field of wind power generation and specifically relates to a aerogenerator is with becoming oar bearing protection device.
Background
A wind driven generator is a device for converting wind energy into electric energy and mainly comprises a tower barrel, an engine room and a wind wheel. When the wind speed exceeds the preset minimum generating wind speed, the variable pitch motor drives the blades to rotate to realize slurry opening, the blades of the fan are influenced by wind power to drive the wind wheel to rotate, and then the main shaft drives the generator rotor to rotate to realize power generation; and when the wind speed is lower than the preset minimum generating wind speed or exceeds the preset maximum generating wind speed, the variable pitch motor rotates reversely to drive the blades to retract the blades, the blades of the fan are not stressed any more, the wind wheel stops rotating, and the generator does not generate power any more.
The variable pitch bearing is arranged on the hub, the outer ring is fixedly connected with the hub, the inner ring is connected with the fan blade, the gear of the inner ring can be driven by the variable pitch motor to rotate, so that the whole fan blade is driven to rotate, and the variable pitch bearing is an extremely important component. However, the lack of protection for the pitch bearing in use is that the pitch shaft
The bearing cannot bear high load, so that the balls are exploded, and when the balls are exploded, the balls are easily splashed to the structure in the hub, so that the structure in the hub is damaged;
when the variable-pitch bearing is used, the lubricating oil filling speed is slow or uneven, so that the lubricating oil is lack in the bearing, or the lubricating oil is degraded or deteriorated in performance in long-term use, so that the balls in the bearing are seriously abraded, the service life of the bearing is shortened, and the normal use of a generator is influenced;
in addition, the conventional way of accumulating waste oil is to arrange a circle of oil collecting bottles on the outer side of the hub, but the oil collecting bottles on the outer side are inconvenient to replace and overflow is often caused due to the limited volume.
Therefore, in order to solve the problems proposed in the foregoing, a pitch bearing protection device for a wind turbine is proposed.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and some simplifications or omissions may be made in this section as well as in the abstract and the title of the application to avoid obscuring the purpose of this section, the abstract and the title, and such simplifications or omissions cannot be used to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the utility model aims to solve the technical problem that aerogenerator becomes the circumstances that the pitch bearing protection is not week, lubricating oil filling speed is too slow, lubricating oil filling is uneven, lubricating oil is difficult to change, the waste oil bottle is changed trouble and is spilled over easily.
In order to solve the technical problem, the utility model provides a following technical scheme: a variable-pitch bearing protection device for a wind driven generator comprises,
the main body unit comprises a protective shell, a bearing and a base, wherein the bearing and the base are connected to the protective shell through a bolt, the protective shell is connected with an oil inlet pipe and an oil outlet pipe, and the other ends of the oil inlet pipe and the oil outlet pipe are connected with a check valve;
the oil inlet unit comprises an oil storage tank, an oil storage tank fixing ring and an oil storage tank base, wherein the oil storage tank is connected to the oil storage tank base through the oil storage tank fixing ring, and the oil storage tank base is connected to the protective shell through an oil storage tank base screw;
the oil discharge unit comprises a waste oil tank, a waste oil tank fixing ring and a waste oil tank base, wherein the waste oil tank is connected with the waste oil tank fixing ring on the waste oil tank base, and the waste oil tank base is connected with the protective shell through a waste oil tank base screw.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the bearing comprises bearing inner race and bearing outer lane, the bearing outer lane is located between protecting crust, the base, protecting crust, base and the bearing outer lane is gone up to have the screw hole that the equidistance distributes, through bolt fixed connection.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the bearing inner ring is located between the protective shell and the base, and the bearing inner ring is connected with the protective shell and the base in a sliding mode.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the inner circle has 8 inlet ports that the equidistance distributes on the protective housing, 8 the inlet port respectively with advance oil pipe fixed connection.
As a wind driven generator is with becoming oar bearing protection device's an optimal selection scheme, wherein: the outer lane has 8 oil drain holes of equidistance distribution, 8 on the protecting crust the oil drain hole respectively with oil drain pipe fixed connection.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the oil storage tank is fixedly connected with two oil storage tank fixing rings, the oil storage tank fixing rings are fixedly connected with an oil storage tank base, and the oil storage tank base is fixedly connected with the upper surface of the protective shell through 6 oil storage tank base screws.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the waste oil tank is fixedly connected with the two waste oil tank fixing rings, the waste oil tank fixing rings are fixedly connected with the waste oil tank base, and the waste oil tank base is fixedly connected with the upper surface of the protective shell through 6 waste oil tank base screws.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the check valve is provided with a check valve shell, the check valve shell is provided with two openings which are respectively an oil inlet and an oil outlet, a ball which is not connected with the check valve shell is arranged inside the check valve shell, a # -shaped net is arranged at a position close to the direction of the oil outlet inside the check valve shell, the diameter of the ball is larger than that of the oil inlet, and the ball can freely roll between the oil inlet and the # -shaped net.
As a wind-driven generator is with becoming oar bearing protection device's an preferred scheme, wherein: the oil storage tank is characterized in that the top of the oil storage tank is fixedly connected with the oil storage tank control module, the bottom of the oil storage tank is fixedly connected with the oil inlet pump, the oil inlet pump is far away from one end of the oil storage tank and fixedly connected with an oil inlet of the check valve, and an oil outlet end of the check valve end is connected with the oil inlet pipe.
As a wind driven generator is with becoming oar bearing protection device's an optimal selection scheme, wherein: waste oil tank top fixedly connected with waste oil tank control module, waste oil tank bottom fixedly connected with oil extraction pump, oil extraction pump is kept away from the one end fixed connection of waste oil tank the oil outlet end of check valve, the oil inlet end of check valve is being connected the oil inlet pipe.
The utility model has the advantages that:
the protective shell which is fixed on the bearing by 8 bolts can block ball fragments when the balls in the variable-pitch bearing are broken and cracked, so that the ball fragments are prevented from damaging other parts of the hub, and the function of protecting the internal structure of the hub is achieved;
through the connection of 8 inlet ports that circle on with the oil inlet pipe way, realized refueling to bearing inside from 8 not equidirectionals, thereby reach the purpose of more quick more even refueling, 8 oil drain holes on the outer lane in addition and being connected of oil drain pipe way have realized driving waste oil and have been saved waste oil and be arranged in the inside waste oil tank of wheel hub from 8 not equidirectionals to the external world, made things convenient for the change of fortune dimension personnel to the waste oil tank, and the waste oil tank has bigger volume and is difficult for overflowing the characteristics of the fortune dimension personnel observation of being convenient for.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic structural view of a main body of a pitch bearing protection device for a wind driven generator according to an embodiment of the present invention;
fig. 2 is an assembly schematic diagram of a main body of a pitch bearing protection device for a wind driven generator according to an embodiment of the present invention;
fig. 3 is an enlarged view of a portion ii in fig. 1 of a pitch bearing protection device for a wind turbine according to an embodiment of the present invention;
fig. 4 is a partial enlarged view of a position i in fig. 1 of a pitch bearing protection device for a wind driven generator according to an embodiment of the present invention;
fig. 5 is an enlarged view of a portion iii in fig. 3 of a pitch bearing protection device for a wind turbine according to an embodiment of the present invention;
fig. 6 is an embodiment of the utility model provides an internal structure schematic diagram of a check valve of a pitch bearing protection device for a wind driven generator.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
The main body unit 100 comprises a protective shell 101, a bearing 102 and a base 103, wherein the bearing 102 and the base 103 are connected to the protective shell 101 through a bolt 104, the protective shell 101 is connected with an oil inlet pipe 105 and an oil outlet pipe 106, and the other ends of the oil inlet pipe 105 and the oil outlet pipe 106 are connected with a check valve 400;
the oil inlet unit 200 comprises an oil storage tank 201, an oil storage tank fixing ring 202 and an oil storage tank base 202a, wherein the oil storage tank 201 is connected to an oil storage tank base 202b through the oil storage tank fixing ring 202a, and the oil storage tank base 202b is connected to the protective shell 101 through an oil storage tank base screw 202 c;
the oil discharge unit 300, the waste oil tank fixing ring 302 and the waste oil tank base 302a comprise a waste oil tank 301, the waste oil tank 301 is connected to a waste oil tank base 302b through the waste oil tank fixing ring 302a, and the waste oil tank base 302b is connected to the protective shell 101 through a waste oil tank base screw 302 c.
When in use, clean lubricating oil is output from the oil storage tank 201 through the control of the oil storage tank control module 203 by the oil inlet pump 204 and enters the oil inlet pipe 105 through the check valve 400, the check valve 400 plays a role in preventing the lubricating oil from flowing back, waste oil cannot enter the oil storage tank 201, the lubricating oil flows in the oil inlet pipe 105 and is then injected into the bearing 102 through 8 oil inlet holes 105a, and the lubricating oil plays a role in lubricating and protecting the bearing 102.
Example 2
Referring to fig. 1 to 6, in order to implement the second embodiment of the present invention, the present embodiment is based on the previous embodiment:
preferably, the bearing 102 is composed of a bearing inner ring 102b and a bearing outer ring 102a, the bearing outer ring 102a is located between the protective shell 101 and the base 103, and the protective shell 101, the base 103 and the bearing 102 outer ring are provided with threaded holes distributed at equal intervals and fixedly connected through bolts 104.
Specifically, the bearing inner race 102b is located between the protective shell 101 and the base 103, and the bearing inner race 102b is slidably connected with the protective shell 101 and the base 103.
Preferably, the inner ring of the protection shell 101 has 8 oil inlets 105a distributed at equal intervals, and the 8 oil inlets 105a are respectively fixedly connected with the oil inlet pipe 105. Furthermore, 8 oil drain holes 106a are equidistantly distributed on the outer ring of the protective shell 101, and 8 oil drain holes 106a are respectively fixedly connected with the oil drain pipe 106.
When the oil-saving device is used, waste oil with reduced performance or deteriorated quality is discharged into the oil discharge pipe 106 through the 8 oil inlet holes 106a, the waste oil flows in the oil discharge pipe 106 and then enters the oil discharge pump 304 through the check valve 400, the check valve 400 plays a role in preventing the waste oil from flowing back, and then the waste oil tank control module 303 controls the oil discharge pump 304 to suck the waste oil into the waste oil tank 301 to play a role in collecting the waste oil.
Example 3
Referring to fig. 1 to 6, in order to implement the third embodiment of the present invention, the present embodiment is based on the previous embodiment:
preferably, the oil tank 201 is fixedly connected with two oil tank fixing rings 202a, the oil tank fixing rings 202a are fixedly connected with an oil tank base 202b, and the oil tank base 202b is fixedly connected with the upper surface of the protective shell 101 through 6 oil tank base screws 202 c.
Preferably, the waste oil tank 301 is fixedly connected to two waste oil tank fixing rings 302, the waste oil tank fixing rings 302 are fixedly connected to a waste oil tank base 302a, and the waste oil tank base 302a is fixedly connected to the upper surface of the protective shell 101 through 6 waste oil tank base screws 302 b.
Specifically, the check valve 400 has a check valve housing 401, the check valve housing 401 has two openings, namely an oil inlet 404 and an oil outlet 405, a ball 402 not connected to the check valve housing 401 is present in the check valve housing 401, a cross net 403 is present in the check valve housing 401 at a position close to the oil outlet 405, the diameter of the ball 402 is larger than that of the oil inlet 404, and the ball 402 can freely roll between the oil inlet 404 and the cross net 403.
Preferably, the top of the oil storage tank 201 is fixedly connected with the oil storage tank control module 203, the bottom of the oil storage tank 201 is fixedly connected with the oil inlet pump 204, one end of the oil inlet pump 204 far away from the oil storage tank 201 is fixedly connected with the oil inlet 404 of the check valve 400, and the oil outlet 405 end of the check valve 400 is connected with the oil inlet pipe 105.
Further, a waste oil tank control module 303 is fixedly connected to the top of the waste oil tank 301, an oil discharge pump 304 is fixedly connected to the bottom of the waste oil tank 301, one end of the oil discharge pump 304, which is far away from the waste oil tank 301, is fixedly connected to an oil outlet 405 end of the check valve 400, and an oil inlet 404 end of the check valve 400 is connected to the oil inlet pipe 105.
Preferably, the top of the oil storage tank 201 is fixedly connected with the oil storage tank control module 203, the bottom of the oil storage tank 201 is fixedly connected with the oil feed pump 204, one end of the oil feed pump 204 far away from the oil storage tank 201 is fixedly connected with the oil inlet 404 of the check valve 400, and the oil outlet 405 end of the check valve 400 is connected with the oil feed pipe 105.
Further, a waste oil tank control module 303 is fixedly connected to the top of the waste oil tank 301, an oil discharge pump 304 is fixedly connected to the bottom of the waste oil tank 301, one end of the oil discharge pump 304, which is far away from the waste oil tank 301, is fixedly connected to an oil outlet 405 end of the check valve 400, and an oil inlet 404 end of the check valve 400 is connected to the oil inlet pipe 105.
When in use, clean lubricating oil is output from the oil storage tank 201 through the control of the oil storage tank control module 203 by the oil inlet pump 204 and enters the oil inlet pipe 105 through the check valve 400, the check valve 400 plays a role in preventing the lubricating oil from flowing back, waste oil cannot enter the oil storage tank 201, the lubricating oil flows in the oil inlet pipe 105 and is then injected into the bearing 102 through 8 oil inlet holes 105a, and the lubricating oil plays a role in lubricating and protecting the bearing 102. The waste oil with reduced performance or deteriorated quality is discharged into the oil discharge pipe 106 through 8 oil inlet holes 106a, the waste oil flows in the oil discharge pipe 106 and then enters the oil discharge pump 304 through the check valve 400, and the check valve 400 plays a role in preventing the waste oil from flowing back; the waste oil tank control module 303 then controls the oil discharge pump 304 to suck the waste oil into the waste oil tank 301, completing the purpose of collecting the waste oil.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a aerogenerator is with becoming oar bearing protection device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the main body unit (100) comprises a protective shell (101), a bearing (102) and a base (103), wherein the bearing (102) and the base (103) are connected to the protective shell (101) through a bolt (104), the protective shell (101) is connected with an oil inlet pipe (105) and an oil outlet pipe (106), and the other ends of the oil inlet pipe (105) and the oil outlet pipe (106) are connected with a check valve (400);
the oil inlet unit (200) comprises an oil storage tank (201), an oil storage tank fixing ring (202) and an oil storage tank base (202 a), wherein the oil storage tank (201) is connected to the oil storage tank base (202 a) through the oil storage tank fixing ring (202), and the oil storage tank base (202 a) is connected to the protective shell (101) through an oil storage tank base screw (202 b);
the oil discharge unit (300) comprises a waste oil tank (301), a waste oil tank fixing ring (302) and a waste oil tank base (302 a), wherein the waste oil tank (301) is connected to the waste oil tank base (302 a) through the waste oil tank fixing ring (302), and the waste oil tank base (302 a) is connected to the protective shell (101) through a waste oil tank base screw (302 b).
2. The pitch bearing protection device for the wind turbine according to claim 1, wherein: the bearing (102) comprises a bearing inner ring (102 b) and a bearing outer ring (102 a), wherein the bearing outer ring (102 a) is positioned between the protective shell (101) and the base (103), threaded holes which are distributed at equal intervals are formed in the protective shell (101), the base (103) and the bearing (102) outer ring, and the threaded holes are fixedly connected through the bolts (104).
3. The pitch bearing protection device for a wind turbine according to claim 2, wherein: the bearing inner ring (102 b) is located between the protective shell (101) and the base (103), and the bearing inner ring (102 b) is connected with the protective shell (101) and the base (103) in a sliding mode.
4. The pitch bearing protection device for a wind turbine according to claim 1 or 2, wherein: the inner circle has 8 inlet ports (105 a) that the equidistance distributes on protective housing (101), 8 inlet port (105 a) respectively with oil inlet pipe (105) fixed connection.
5. The pitch bearing protection device for a wind turbine according to claim 1 or 3, wherein: the outer lane has 8 oil drain holes (106 a) that the equidistance distributes on protective housing (101), 8 oil drain hole (106 a) respectively with oil drain pipe (106) fixed connection.
6. The pitch bearing protection device for a wind turbine according to claim 4, wherein: oil storage tank (201) and two the solid fixed ring of oil storage tank (202) fixed connection, the solid fixed ring of oil storage tank (202) with oil storage tank base (202 a) fixed connection, oil storage tank base (202 a) is through 6 oil storage tank base screw (202 b) and protecting crust (101) upper surface fixed connection.
7. A pitch bearing protection device for a wind turbine according to claim 5, wherein: the waste oil tank (301) is fixedly connected with the two waste oil tank fixing rings (302), the waste oil tank fixing rings (302) are fixedly connected with the waste oil tank base (302 a), and the waste oil tank base (302 a) is fixedly connected with the upper surface of the protective shell (101) through 6 waste oil tank base screws (302 b).
8. The pitch bearing protection device for a wind turbine according to claim 1, wherein: check valve (400) have check valve shell (401), check valve shell (401) have two openings and are oil inlet (404) and oil-out (405) respectively, inside one that has of check valve shell (401) not with ball (402) that check valve shell (401) are connected, the position that is close to the direction of oil-out (405) inside check valve shell (401) has a well word net (403), ball (402) diameter ratio oil inlet (404) diameter is big, ball (402) can freely roll between oil inlet (404) and well word net (403).
9. The pitch bearing protection device for a wind turbine according to claim 6, wherein: oil storage tank (201) top fixedly connected with oil storage tank control module (203), oil storage tank (201) bottom fixedly connected with oil feed pump (204), oil feed pump (204) are kept away from the one end fixed connection of oil storage tank (201) oil inlet (404) of check valve (400), oil-out (405) end connection of check valve (400) end advance oil pipe (105).
10. The pitch bearing protection device for a wind turbine according to claim 7, wherein: waste oil tank (301) top fixedly connected with waste oil tank control module (303), waste oil tank (301) bottom fixedly connected with oil drain pump (304), oil drain pump (304) are kept away from the one end fixed connection of waste oil tank (301) oil-out (405) end of check valve (400), oil inlet (404) end connection of check valve (400) advance oil pipe (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953009.4U CN217999800U (en) | 2022-04-24 | 2022-04-24 | Pitch bearing protection device for wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220953009.4U CN217999800U (en) | 2022-04-24 | 2022-04-24 | Pitch bearing protection device for wind driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN217999800U true CN217999800U (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220953009.4U Active CN217999800U (en) | 2022-04-24 | 2022-04-24 | Pitch bearing protection device for wind driven generator |
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| Country | Link |
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| CN (1) | CN217999800U (en) |
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2022
- 2022-04-24 CN CN202220953009.4U patent/CN217999800U/en active Active
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