CN219673109U - Main bearing oil seal structure of wind turbine generator - Google Patents
Main bearing oil seal structure of wind turbine generator Download PDFInfo
- Publication number
- CN219673109U CN219673109U CN202320602595.2U CN202320602595U CN219673109U CN 219673109 U CN219673109 U CN 219673109U CN 202320602595 U CN202320602595 U CN 202320602595U CN 219673109 U CN219673109 U CN 219673109U
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- clamping groove
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- 239000000463 material Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 29
- 229910001220 stainless steel Inorganic materials 0.000 claims description 25
- 239000010935 stainless steel Substances 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 21
- 230000001965 increasing effect Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 134
- 239000000428 dust Substances 0.000 description 9
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
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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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- Sealing Of Bearings (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a main bearing oil seal structure of a wind turbine generator, which relates to the technical field of bearing oil seals and comprises an oil seal main body, an inner oil seal unit and an outer protection unit; the oil seal main body is of an annular structure and is made of rubber materials; the inner oil seal unit comprises a Pi Jin clamping groove, a flexing part, an oil seal lip, a rubber band and a spring clamping groove, wherein the rubber band clamping groove is formed in the oil seal main body and is positioned on the inner ring side of the inner groove, the rubber band is sleeved in the rubber band clamping groove and is made of elastic plastic, and the flexing part at one end is arranged on the right side of the oil seal main body and is positioned on the lower side of the rubber band clamping groove; the outer protection unit is installed at the left side of the oil seal body. According to the utility model, the degree of fit between the oil seal and the inner ring and the outer ring of the bearing can be increased through the two pre-tightening devices, so that a good oil seal effect is ensured, and the dustproof and anti-corrosion effects of the oil seal on the main bearing of the wind turbine generator can be realized, so that the service life of the oil seal is prolonged.
Description
Technical Field
The utility model relates to the technical field of bearing oil seals, in particular to a main bearing oil seal structure of a wind turbine generator.
Background
Oil seals are a common term for seals, simply referred to as lubrication seals, and are a type of mechanical element used to seal grease. The oil seal is cheap and convenient to install, and can seal lubricating oil of the bearing, thereby playing an important role on the bearing. For the oil seal structure of the main bearing of the wind power equipment, a higher installation and use position brings new requirements for the performance of the oil seal;
the sealing device for the main shaft bearing of the wind turbine generator disclosed by the prior art with the authority publication number CN214743325U comprises a magnetic assembly type double-split combined open oil seal, wherein the magnetic assembly type double-split combined open oil seal comprises a sealing oil seal and a main shaft bearing, the sealing oil seal comprises a supporting ring, a sealing ring, a magnetic bolt and a positioning block, and the supporting ring and the sealing ring are of split combined structures; the magnetic bolt and the positioning block are of independent structures; the supporting ring is radially and circumferentially connected with the shoulder part of the sealing ring and the boss positioned at the outer side of the shoulder part of the sealing ring into a whole through the groove at the inner side of the supporting ring, and the whole is fixed on the end face of the equipment through a magnetic bolt;
the inside of the wind turbine generator system is provided with a spring device for increasing pretightening force, but the spring device can only be used for enhancing the sealing effect of the side sealing oil lip of the inner ring of the oil seal, can not play a role in reinforcing the sealing performance between the oil seal component and the outer ring of the main bearing, and in addition, the outside of the wind turbine generator system lacks a protection component, so that the oil seal is easily eroded by wet and cold air and wind in the working environment of the wind turbine generator system, the service life of the oil seal is reduced, and the main bearing of the wind turbine generator system can not be effectively protected for a long time.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the main bearing oil seal structure of the wind turbine generator, which is provided with the reliable internal oil seal unit, so that the degree of fit between the oil seal and the inner ring and the outer ring of the bearing can be increased through two pre-tightening devices, thereby ensuring a good oil seal effect, and is provided with the reliable external protection unit, and the dustproof and anti-erosion effects of the oil seal on the main bearing of the wind turbine generator can be realized, thereby prolonging the service life of the oil seal, and effectively solving the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a main bearing oil seal structure of a wind turbine generator comprises an oil seal main body, an internal oil seal unit and an external protection unit;
an oil seal main body: the oil seal is of an annular structure and is made of rubber materials, and an annular inner groove is formed in the middle of the right side of the oil seal main body;
an internal oil seal unit: the oil seal comprises a Pi Jin clamping groove, a flexing part, an oil sealing lip, a rubber band and a spring clamping groove, wherein the rubber band clamping groove is formed in the oil seal main body and is positioned on the inner ring side of an inner groove, the rubber band is sleeved in the rubber band clamping groove and is made of elastic plastic, one end flexing part is arranged on the right side of the oil seal main body and positioned on the lower side of the rubber band clamping groove, the flexing part obliquely extends towards the inner ring direction of the oil seal, the flexing part can elastically deform under the stress, the oil sealing lip is fixedly connected to the right end of the flexing part, the oil sealing lip is connected with the flexing part to form a hook shape, the spring clamping groove is formed in the oil seal main body and is positioned on the outer ring side of the inner groove, and the spring clamping groove is of a two-thirds circular structure, and the opening end of the spring clamping groove is communicated with the inner groove;
an external protection unit: is arranged at the left side of the oil seal main body.
The oil seal main body is used for being embedded and installed inside the bearing, oil seal protection is carried out on the main bearing of the wind turbine generator, the inner groove on the right side is used for being corresponding to the roller inside the bearing, and further used for processing the inner structure of the oil seal main body, the rubber band clamping groove is used for sleeving the rubber band, the rubber band forms a pretightening force on the flexing part, so that the flexing part can be deformed under force, the contact force between the oil seal lip of the end part and the inner ring of the main bearing is increased, the proper interference is always kept to improve the sealing effect on oil, the oil seal lip is used for being attached to the inner ring of the bearing, the oil seal effect is achieved, the spring clamping groove is used for installing a spring, and the external protection unit is used for achieving the dustproof and anti-erosion effects of the oil seal on the main bearing of the wind turbine generator.
Further, inside oil blanket unit still contains installation piece, spring sleeve post and spring, the inside rear end fixedly connected with horizontally installation piece of spring draw-in groove, the equal fixedly connected with spring sleeve post in upper and lower both sides of installation piece, the spring is long and thin structure and inlays the inside of establishing at the spring draw-in groove, the both ends of spring cup joint with upper and lower two spring sleeve posts respectively. The installation piece is used for the installation of two spring sleeve posts, and two spring sleeve posts are used for the cover at spring head and the tail both ends respectively to put, and the crooked card of spring is in the spring draw-in groove and form a circle, and crooked spring forms an expansion force to the outer loop side of oil blanket main part to improve the sealed effect between oil blanket main part outer loop side and the bearing outer loop.
Further, the inner oil seal unit further comprises a contact inner ring, the contact inner ring is embedded and arranged on the inner ring surface of the oil seal main body, and the exposed surface of the contact inner ring is polished. The contact inner ring is used for being attached to the bearing inner ring, and the polished smooth ring surface is helpful for forming an oil film at the attached position.
Further, the outside protection unit contains outer mounting groove, stainless steel protection piece, mounting hole and short head screw, the outer mounting groove that the width is great, but the degree of depth is shallower has been seted up in the left side of oil blanket main part, the internally mounted of outer mounting groove has annular stainless steel protection piece, the mounting hole has been seted up in the left side of stainless steel protection piece, short head screw installs in the inside of mounting hole to install the stainless steel protection piece and fix in outer mounting groove. The outer mounting groove is used for the installation of stainless steel protection piece, and short-head screw in the mounting hole is used for fixing the stainless steel protection piece mutually with the left side of oil blanket main part, and the stainless steel protection piece is used for preventing high altitude wet cold's air and wind-force from causing the erosion to the outside of oil blanket main part to improve the life of oil blanket.
Further, the outside protection unit still contains dustproof lip, the left end of oil blanket main part is close to one side of inner ring and is equipped with dustproof lip, dustproof lip is to the slope of inner ring oil blanket and towards left setting. The dustproof lip is used for preventing dust in the air from entering the inside of the main bearing of the wind turbine generator, so that the bearing can rotate stably.
Further, the oil seal further comprises an outer chamfer and an inner chamfer, wherein the outer chamfer and the inner chamfer are respectively arranged on the left side and the right side of the outer annular surface of the oil seal main body, and the inclination angle of the outer chamfer is smaller than that of the inner chamfer. The outer chamfer and the inner chamfer can facilitate the assembly process of the oil seal.
Compared with the prior art, the utility model has the beneficial effects that: the main bearing oil seal structure of the wind turbine generator has the following advantages:
1. the bearing has the advantages that the bearing has a reliable internal oil seal unit, the degree of fit between the oil seal and the inner ring and the outer ring of the bearing can be increased through two pre-tightening devices, and therefore a good oil seal effect is guaranteed: the elastic band clamping groove is used for sleeving the elastic band, and the elastic band forms a pretightening force on the flexing part, so that the flexing part can be deformed under force, the contact force between the oil sealing lip at the end part and the inner ring of the main bearing is increased, and the proper interference is always kept to improve the sealing effect on oil; the spring clamping groove is used for installing springs, the two spring sleeve columns are respectively used for sleeving the head end and the tail end of the springs, the springs are bent and clamped in the spring clamping groove to form a circle, and the bent springs form an expansion force on the outer ring side of the oil seal main body, so that the sealing effect between the outer ring side of the oil seal main body and the outer ring of the bearing is improved;
2. the wind turbine generator main bearing has the advantages that the wind turbine generator main bearing has a reliable external protection unit, and the effects of dust prevention and corrosion prevention of the oil seal on the wind turbine generator main bearing can be achieved, so that the service life of the oil seal is prolonged: the outer mounting groove is used for mounting the stainless steel protection sheet, the short-head screw in the mounting hole is used for fixing the stainless steel protection sheet with the left side of the oil seal main body, the stainless steel protection sheet is used for preventing air which is wet and cold in high air and wind power from corroding the outside of the oil seal main body, so that the service life of the oil seal is prolonged, and the dust-proof lip is used for preventing dust in the air from entering the main bearing of the wind turbine generator, so that the bearing can stably rotate;
3. the bearing has the advantages that the bearing has the reliable internal oil seal unit, the bonding degree between the oil seal and the inner ring and the outer ring of the bearing can be increased through the two pre-tightening devices, so that a good oil seal effect is ensured, and the bearing has the reliable external protection unit, so that the dust prevention and corrosion prevention effects of the oil seal on the main bearing of the wind turbine generator can be realized, and the service life of the oil seal is prolonged.
Drawings
FIG. 1 is a schematic view of the left front side structure of the present utility model;
FIG. 2 is a schematic view of a right front side partial structure of the present utility model;
FIG. 3 is a schematic view of the radial cut-away section of the present utility model.
In the figure: 1 an oil seal main body, 2 an inner groove, 3 an inner oil seal unit, 31 a rubber band clamping groove, 32 a deflection part, 33 an oil sealing lip, 34 a rubber band, 35 a spring clamping groove, 36 a mounting block, 37 a spring sleeve column, 38 a spring, 39 a contact inner ring, 4 an outer protection unit, 41 an outer mounting groove, 42 a stainless steel protection sheet, 43 a mounting hole, 44 a short head screw, 45 a dustproof lip, 5 an outer chamfer and 6 an inner chamfer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-3, the present embodiment provides a technical solution: the main bearing oil seal structure of the wind turbine generator comprises an oil seal main body 1, an inner oil seal unit 3 and an outer protection unit 4;
oil seal main body 1: is of an annular structure and is made of rubber material, and an annular inner groove 2 is arranged in the middle of the right side of the oil seal main body 1;
an internal oil seal unit 3: the oil seal comprises a Pi Jin clamping groove 31, a flexing part 32, an oil sealing lip 33, a rubber band 34 and a spring clamping groove 35, wherein the rubber band clamping groove 31 is formed in the oil seal main body 1 and is positioned on the inner ring side of an inner groove 2, the rubber band 34 is sleeved in the rubber band clamping groove 31, the rubber band 34 is made of elastic plastic, one end flexing part 32 is arranged on the right side of the oil seal main body 1 and is positioned on the lower side of the rubber band clamping groove 31, the flexing part 32 obliquely extends towards the inner ring direction of the oil seal, the flexing part 32 can elastically deform under the stress, the oil sealing lip 33 is fixedly connected with the right end of the flexing part 32, the oil sealing lip 33 is connected with the flexing part 32 to form a hook shape, the spring clamping groove 35 is formed in the oil seal main body 1 and is positioned on the outer ring side of the inner groove 2, and the opening end of the spring clamping groove 35 is in a two-thirds circular structure and is communicated with the inner groove 2;
an external protection unit 4: is installed at the left side of the oil seal body 1.
The oil seal main body 1 is used for being embedded and installed inside a bearing to conduct oil seal protection on a main bearing of a wind turbine generator, the inner groove 2 on the right side is used for being corresponding to a roller inside the bearing and is further used for processing an inner structure of the oil seal main body 1, the rubber band clamping groove 31 is used for sleeving the rubber band 34, the rubber band 34 forms a pretightening force on the flexing part 32, the flexing part 32 can be deformed under stress, the contact force between the oil seal lip 33 at the end part and the inner ring of the main bearing is increased, proper interference is always kept to improve the sealing effect on oil, the oil seal lip 33 is used for being attached to the inner ring of the bearing and forms an oil film between the rotating inner rings of the bearing, the sealing effect on oil is further enhanced, the spring clamping groove 35 is used for installing the spring 38, and the external protection unit 4 is used for achieving the dustproof and anti-erosion effects of the oil seal on the main bearing of the wind turbine generator.
The internal oil seal unit 3 further comprises a mounting block 36, a spring sleeve column 37 and a spring 38, wherein the rear end of the inside of the spring clamping groove 35 is fixedly connected with the horizontal mounting block 36, the upper side and the lower side of the mounting block 36 are fixedly connected with the spring sleeve column 37, the spring 38 is of a slender structure and is embedded in the spring clamping groove 35, and two ends of the spring 38 are respectively sleeved with the upper spring sleeve column 37 and the lower spring sleeve column 37. The mounting block 36 is used for mounting two spring sleeve columns 37, the two spring sleeve columns 37 are respectively used for sleeving the head end and the tail end of a spring 38, the spring 38 is clamped in the spring clamping groove 35 in a bending mode to form a circle, and the bent spring 38 forms an expansion force on the outer ring side of the oil seal main body 1, so that the sealing effect between the outer ring side of the oil seal main body 1 and the outer ring of the bearing is improved.
The inner oil seal unit 3 further comprises a contact inner ring 39, the contact inner ring 39 is embedded and installed on the inner ring surface of the oil seal main body 1, and the exposed surface of the contact inner ring 39 is polished. The contact inner ring 39 is adapted to engage the bearing inner ring and the polished smooth annulus aids in the formation of an oil film at the engagement.
The outer protection unit 4 includes an outer mounting groove 41, a stainless steel protection sheet 42, a mounting hole 43 and a short head screw 44, the left side of the oil seal main body 1 is provided with the outer mounting groove 41 with a larger width but a shallower depth, the inside of the outer mounting groove 41 is provided with the annular stainless steel protection sheet 42, the left side of the stainless steel protection sheet 42 is provided with the mounting hole 43, the short head screw 44 is mounted in the mounting hole 43, and the stainless steel protection sheet 42 is mounted and fixed in the outer mounting groove 41. The outer mounting groove 41 is used for the installation of stainless steel protection piece 42, and short-headed screw 44 in mounting hole 43 is used for fixing stainless steel protection piece 42 with the left side of oil blanket main part 1 mutually, and stainless steel protection piece 42 is used for preventing high altitude wet and cold's air and wind-force from causing the erosion to the outside of oil blanket main part 1 to improve the life of oil blanket.
The external protection unit 4 further comprises a dust lip 45, the dust lip 45 is arranged on one side of the left end of the oil seal main body 1, which is close to the inner ring, and the dust lip 45 is inclined towards the inner ring oil seal and is arranged towards the left. The dust-proof lip 45 is used for preventing dust in the air from entering the main bearing of the wind turbine generator, so that the bearing can rotate stably.
The oil seal further comprises an outer chamfer 5 and an inner chamfer 6, wherein the outer chamfer 5 and the inner chamfer 6 are respectively arranged on the left side and the right side of the outer annular surface of the oil seal main body 1, and the inclination angle of the outer chamfer 5 is smaller than that of the inner chamfer 6. The outer chamfer 5 and the inner chamfer 6 can facilitate the assembly process of the oil seal.
The utility model provides a main bearing oil seal structure of a wind turbine generator, which has the following working principle: when the oil seal structure is installed at the main bearing of the wind turbine generator, the right side of the oil seal main body 1 faces the inside of the bearing, the outer chamfer 5 and the inner chamfer 6 can facilitate the installation of an oil seal, the installed oil seal main body 1 is sleeved between the inner ring and the outer ring of the main bearing, the inner groove 2 on the right side corresponds to the roller in the bearing, the Pi Jin clamping groove 31 is used for sleeving the rubber band 34, the rubber band 34 forms a pretightening force on the flexing part 32, so that the flexing part 32 can deform under the force, the contact force between the oil seal lip 33 at the end part and the inner ring of the main bearing is increased, and the proper interference is always kept to improve the sealing effect on oil; the spring clamping groove 35 is used for installing the spring 38, the two spring sleeve columns 37 are respectively used for sleeving the head end and the tail end of the spring 38, the spring 38 is clamped in the spring clamping groove 35 in a bending mode to form a circle, and the bent spring 38 forms an expansion force on the outer ring side of the oil seal main body 1, so that the sealing effect between the outer ring side of the oil seal main body 1 and the outer ring of the bearing is improved. When the inner ring of the bearing is driven by the shaft to rotate, the smooth ring surface, which is attached to the inner ring 39 of the contact inner ring and the inner ring of the bearing, is conducive to the formation of an oil film, the oil film can further prevent lubricating oil in the bearing from leaking from the shaft part, and the dust-proof lip 45 is used for preventing dust in air from entering the inside of the main bearing of the wind turbine generator, so that the main bearing of the wind turbine generator can rotate stably; the outer mounting groove 41 is used for the installation of stainless steel protection piece 42, and short-headed screw 44 is used for the fixed of stainless steel protection piece 42, and stainless steel protection piece 42 is used for preventing high altitude wet and cold's air and wind-force from causing the erosion to the outside of oil blanket main part 1 to improve the life of oil blanket, in order to protect for a long time the main bearing of wind turbine generator system.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a wind turbine generator system main bearing oil blanket structure which characterized in that: comprises an oil seal main body (1), an inner oil seal unit (3) and an outer protection unit (4);
oil seal main body (1): is of an annular structure and is made of rubber material, and an annular inner groove (2) is formed in the middle of the right side of the oil seal main body (1);
an internal oil seal unit (3): the oil seal comprises a Pi Jin clamping groove (31), a flexing part (32), an oil sealing lip (33), a rubber band (34) and a spring clamping groove (35), wherein the rubber band clamping groove (31) is formed in the oil seal main body (1) and is positioned on the inner ring side of an inner groove (2), the rubber band (34) is sleeved in the rubber band clamping groove (31), the rubber band (34) is made of elastic plastic, one end flexing part (32) is arranged on the right side of the oil seal main body (1) and is positioned on the lower side of the rubber band clamping groove (31), the flexing part (32) obliquely extends towards the inner ring direction of the oil seal, the flexing part (32) can elastically deform under the stress, the oil sealing lip (33) is fixedly connected with the flexing part (32) at the right end of the flexing part, the oil sealing lip (33) is connected with the flexing part (32) to form a hook shape, the spring clamping groove (35) is formed in the inner part of the oil seal main body (1) and is positioned on the outer ring side of the inner groove (2), and the opening end of the spring clamping groove (35) is in a two-third circular structure and is communicated with the inner groove (2);
external protection unit (4): is arranged at the left side of the oil seal main body (1).
2. The main bearing oil seal structure of a wind turbine generator system according to claim 1, wherein: the inside oil blanket unit (3) still contains installation piece (36), spring sleeve post (37) and spring (38), inside rear end fixedly connected with horizontally installation piece (36) of spring draw-in groove (35), the equal fixedly connected with spring sleeve post (37) of upper and lower both sides of installation piece (36), spring (38) are elongated structure and inlay the inside of establishing in spring draw-in groove (35), the both ends of spring (38) cup joint with upper and lower two spring sleeve posts (37) respectively.
3. The main bearing oil seal structure of a wind turbine generator system according to claim 1, wherein: the inner oil seal unit (3) further comprises a contact inner ring (39), the contact inner ring (39) is embedded and installed on the inner ring surface of the oil seal main body (1), and the exposed surface of the contact inner ring (39) is polished.
4. The main bearing oil seal structure of a wind turbine generator system according to claim 1, wherein: the external protection unit (4) comprises an external mounting groove (41), a stainless steel protection sheet (42), a mounting hole (43) and a short head screw (44), wherein the annular stainless steel protection sheet (42) is mounted in the external mounting groove (41), the mounting hole (43) is formed in the left side of the stainless steel protection sheet (42), the short head screw (44) is mounted in the mounting hole (43), and the stainless steel protection sheet (42) is mounted and fixed in the external mounting groove (41).
5. The main bearing oil seal structure of a wind turbine generator system according to claim 4, wherein: the outer protection unit (4) further comprises a dustproof lip (45), one side, close to the inner ring, of the left end of the oil seal main body (1) is provided with the dustproof lip (45), and the dustproof lip (45) inclines towards the inner ring oil seal and is arranged towards the left.
6. The main bearing oil seal structure of a wind turbine generator system according to claim 1, wherein: the oil seal comprises an oil seal body (1), and is characterized by further comprising an outer chamfer (5) and an inner chamfer (6), wherein the outer chamfer (5) and the inner chamfer (6) are respectively arranged on the left side and the right side of the outer annular surface of the oil seal body (1), and the inclination angle of the outer chamfer (5) is smaller than that of the inner chamfer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602595.2U CN219673109U (en) | 2023-03-24 | 2023-03-24 | Main bearing oil seal structure of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320602595.2U CN219673109U (en) | 2023-03-24 | 2023-03-24 | Main bearing oil seal structure of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673109U true CN219673109U (en) | 2023-09-12 |
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ID=87896302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320602595.2U Active CN219673109U (en) | 2023-03-24 | 2023-03-24 | Main bearing oil seal structure of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673109U (en) |
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2023
- 2023-03-24 CN CN202320602595.2U patent/CN219673109U/en active Active
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