CN209762175U - face gear connecting structure of wind power speed-increasing gear box - Google Patents
face gear connecting structure of wind power speed-increasing gear box Download PDFInfo
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- CN209762175U CN209762175U CN201822215119.7U CN201822215119U CN209762175U CN 209762175 U CN209762175 U CN 209762175U CN 201822215119 U CN201822215119 U CN 201822215119U CN 209762175 U CN209762175 U CN 209762175U
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Abstract
The utility model discloses a wind power speed-up gearbox face gear connecting structure, which comprises a torque arm, an inner gear ring and a middle box body; the torque arm, the inner gear ring and the middle box body are sequentially connected to form a gear box body; a first face gear is formed on the end surface of the torsion arm; a second face gear matched with the first face gear is formed on one end face of the inner gear ring to realize a self-centering function; a third face gear is formed on the other end face of the inner gear ring; the middle box body is provided with a fourth face gear meshed with the third face gear; the torque arm and the inner gear ring are connected with the second face gear through the first face gear; the inner gear ring and the middle box body are connected with the fourth face gear through the third face gear. The utility model discloses a wind-powered electricity generation acceleration rate gear box face gear connection structure has from the centering effect, and the installation is simple convenient, and the installation accuracy is high, can bear higher torsion.
Description
Technical Field
the utility model relates to a wind-powered electricity generation acceleration rate gear box face gear connection structure.
Background
In a common connection structure of a wind power speed-up gear box, a series of threaded holes and pin holes are uniformly arranged on a torque arm, an inner gear ring and a middle box body at intervals along the axial direction, and then the torque arm is connected with the inner gear ring and the middle box body by using bolts and positioning pins. The main defects of the wind power speed-increasing gear box connecting structure are as follows: the quantity of bolts and positioning pins is large, the specification is large, the overall dimension of the planet grade is increased, and the weight of the gear box is increased. The stretched stud is adopted for fixing, so that the stud is easy to deform and even break under dynamic load, and further the torsion arm, the inner gear ring and the middle box body are staggered, the mutual transmission power is influenced, the wind power speed-up gear box cannot work normally, and the safety and the reliability are poor. Meanwhile, when pin positioning is adopted, the pin holes still have the problem of machining errors, so that the installation deviation of the inner gear ring is caused, and a series of problems such as meshing with the planetary gear and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of wind-powered electricity generation acceleration rate gear box face gear connection structure, technical scheme is as follows:
A face gear connecting structure of a wind power speed-increasing gear box comprises a torque arm, an inner gear ring and a middle box body; the torque arm, the inner gear ring and the middle box body are sequentially connected to form a gear box body; a first face gear is formed on the end surface of the torsion arm; a second face gear matched with the first face gear is formed on one end face of the inner gear ring; a third face gear is formed on the other end face of the inner gear ring; the middle box body is provided with a fourth face gear meshed with the third face gear; the torque arm and the inner gear ring are connected with the second face gear through the first face gear; the inner gear ring and the middle box body are connected with the fourth face gear through the third face gear.
Further, wind-powered electricity generation step-up gear case face gear connection structure still includes: a first dust cover for preventing dust from entering the gear housing through a connection position of the torque arm and the inner gear ring and a second dust cover for preventing dust from entering the gear housing through a connection position of the inner gear ring and the middle housing; the first dustproof cover is arranged on the outer side of a meshing gap between the first face gear and the second face gear of the gear box body; the second dust cover is arranged on the outer side of a meshing gap between a third face gear and a fourth face gear of the gear box body.
Further, wind-powered electricity generation step-up gear case face gear connection structure still includes: a first seal ring for sealing the connection position of the torque arm and the ring gear to prevent the leakage of the lubricating oil through the meshing gap of the first face gear and the second face gear and a second seal ring for sealing the connection position of the center housing and the ring gear to prevent the leakage of the lubricating oil through the meshing gap of the third face gear and the fourth face gear; the first sealing ring is arranged on the inner side of a meshing gap between a first face gear and a second face gear of the gear box body; the second sealing ring is arranged on the inner side of a meshing gap between a third face gear and a fourth face gear of the gear box body.
Further, the tooth width of the first face gear is smaller than the wall thickness of the torque arm, the inner gear ring and the middle box body.
Further, the module and the tooth form of the first face gear and the second face gear are the same.
Further, the module and the tooth form of the third face gear and the fourth face gear are the same.
furthermore, the inner gear ring defines a center line; the inner gear ring is provided with a plurality of bolt holes; and the plurality of bolt holes are uniformly distributed along the central line of the inner gear ring.
Further, bolt holes are formed in the second face gear and the third face gear.
Further, the torque arm and the ring gear are fixed by a bolt.
Further, the inner gear ring and the middle box body are fixed through bolts.
the utility model discloses an useful part lies in:
After the torque arm is meshed with the inner gear ring, the inner gear ring and the middle box body through the face gear and gear pair, the self-centering effect is achieved, the installation process is simple and convenient, and meanwhile, the installation precision is improved.
the torque arm is connected with the inner gear ring, the inner gear ring is connected with the middle box body through the face gear, and high radial force and torque force can be borne.
The face gear connecting structure is adopted to connect the torque arm with the inner gear ring and connect the inner gear ring with the middle box body, so that the number and the size of bolts and positioning pins are reduced, and the power density of the gear box is increased.
drawings
FIG. 1 is a schematic view of the connection of a torque arm, an inner gear ring and a middle box body of a wind power increasing gearbox face gear connecting structure;
FIG. 2 is an enlarged fragmentary view of area I of the wind-powered step-up gear box face gear connection of FIG. 1;
FIG. 3 is an enlarged fragmentary view of area II of the wind-powered step-up gear box face gear connection of FIG. 1;
FIG. 4 is a first face gear schematic of the torsion arm of the wind-powered step-up gearbox face gear connection of FIG. 1;
FIG. 5 is a schematic view of a second face gear and a third face gear of the ring gear of the wind turbine speed increasing gearbox face gear connection of FIG. 1;
Fig. 6 is a schematic view of a fourth face gear of the middle housing of the wind speed increasing gearbox face gear connection structure of fig. 1.
The wind power increasing gearbox face gear connecting structure 10, the torque arm 11, the inner gear ring 12, the middle gearbox body 13, the first face gear 111, the second face gear 121, the third face gear 122, the fourth face gear 131, the first dust cover 14, the second dust cover 15, the first sealing ring 16, the second sealing ring 17 and the bolt hole 123.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a wind power increasing gear box face gear connecting structure 10 comprises a torque arm 11, an inner gear ring 12 and a middle box body 13. The torque arm 11, the inner gear ring 12 and the gearbox 13 are connected in sequence to form a gearbox housing.
Specifically, the first face gear 111 is formed on the end surface of the torque arm 11. One end surface of the ring gear 12 is formed with a second face gear 121 that is engaged with the first face gear 111. The torque arm 11 and the ring gear 12 are connected to the second face gear 121 through the first face gear 111 to achieve a self-centering function.
the other end surface of the ring gear 12 is formed with a third face gear 122. The middle housing 13 is formed with a fourth face gear 131 that meshes with the third face gear 122. The torque arm 11 and the ring gear 12 are connected to the second face gear 121 through the first face gear 111 to achieve a self-centering function. The inner gear ring 12 and the middle box body 13 are connected with a fourth face gear 131 through a third face gear 122 to realize a self-centering function.
After the torque arm 11 and the inner gear ring 12, the inner gear ring 12 and the middle box body 13 are meshed through the face gear and gear pair, the self-centering effect is achieved, the installation process is simple and convenient, and meanwhile, the installation precision is improved. The torque arm 11 and the inner gear ring 12 are connected through the face gear, and the inner gear ring 12 and the middle box body 13 are connected through the face gear, so that high radial force and high torque force can be borne. A face gear connecting structure is adopted to connect the torque arm 11 with the inner gear ring 12 and connect the inner gear ring 12 with the middle box body 13, so that the number and the size of bolts and positioning pins are reduced, and the power density of the gear box is increased.
As a specific embodiment, the wind speed increasing gearbox face gear connecting structure 10 further includes: a first dust cover 14. The first dust cover 14 serves to prevent dust from entering the gear housing through the connection position of the torque arm 11 and the ring gear 12. The first dust cover 14 is disposed outside the meshing gap between the first face gear 111 and the second face gear 121 of the gear housing.
As a specific embodiment, the wind speed increasing gearbox face gear connecting structure 10 further includes: and a second dust cover 15. The second dust cover 15 serves to prevent dust from entering the gear housing through the connection position of the ring gear 12 and the middle housing 13. The second dust cover 15 is provided outside the meshing gap between the third face gear 122 and the fourth face gear 131 of the gear housing.
As a specific embodiment, the wind speed increasing gearbox face gear connecting structure 10 further includes: a first sealing ring 16. The first seal ring 16 serves to seal the connection position of the torsion arm 11 and the ring gear 12 to prevent leakage of lubricating oil through the meshing gap of the first face gear 111 and the second face gear 121. The first seal ring 16 is provided inside a meshing gap between the first face gear 111 and the second face gear 121 of the gear housing.
As a specific embodiment, the wind speed increasing gearbox face gear connecting structure 10 further includes: a second sealing ring 17. The second seal ring 17 is used to seal the connection position of the middle case 13 and the ring gear 12 to prevent the leakage of the lubricating oil through the meshing gap of the third face gear 122 and the fourth face gear 131. The second seal ring 17 is provided inside the meshing gap between the third face gear 122 and the fourth face gear 131 of the gear housing.
In a preferred embodiment, the width of the first face gear 111 is smaller than the thickness of the torque arm 11, the inner gear 12, and the middle case 13.
In a preferred embodiment, the first face gear 111 and the second face gear 121 have the same module and tooth profile.
In a preferred embodiment, the third face gear 122 and the fourth face gear 131 have the same module and tooth profile.
in a preferred embodiment, the ring gear 12 defines a centerline. The ring gear 12 is formed with a plurality of bolt holes 123. The plurality of bolt holes 123 are evenly distributed along the center line of the ring gear 12.
specifically, bolt holes 123 are formed in the second face gear 121 and the third face gear 122. The first face gear 111 and the fourth face gear 131 are formed with bolt holes that engage with the bolt holes on the second face gear 121 and the third face gear 122, respectively. The torque arm 11 and the ring gear 12 are fixed by bolts simultaneously passing through bolt holes of the first face gear 111 and the second face gear 121. The ring gear 12 and the middle case 13 are fixed by bolts simultaneously passing through bolt holes of the third face gear 122 and the fourth face gear 131.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by adopting equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (10)
1. A face gear connecting structure of a wind power speed-increasing gear box comprises a torque arm, an inner gear ring and a middle box body; the torque arm, the inner gear ring and the middle box body are sequentially connected to form a gear box body; the end face of the torque arm is provided with a first face gear; a second face gear matched with the first face gear is formed on one end face of the inner gear ring; a third face gear is formed on the other end face of the inner gear ring; a fourth face gear meshed with the third face gear is formed on the middle box body; the torque arm and the inner gear ring are connected with the second face gear through the first face gear; the inner gear ring and the middle box body are connected with the fourth face gear through the third face gear.
2. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
Wind-powered electricity generation acceleration rate gear box face gear connection structure still includes: a first dust cover for preventing dust from entering the gear housing through a connection position of the torque arm and the inner gear ring and a second dust cover for preventing dust from entering the gear housing through a connection position of the inner gear ring and the middle housing; the first dustproof cover is arranged on the outer side of a meshing gap between the first face gear and the second face gear of the gear box body; the second dust cover is arranged on the outer side of a meshing gap between the third face gear and the fourth face gear of the gear box body.
3. The face gear connection structure of a wind speed increasing gearbox according to claim 2,
Wind-powered electricity generation acceleration rate gear box face gear connection structure still includes: a first seal ring for sealing a connection position of the torsion arm and the ring gear to prevent leakage of lubricating oil through a meshing gap of the first face gear and the second face gear and a second seal ring for sealing a connection position of the middle case and the ring gear to prevent leakage of lubricating oil through a meshing gap of the third face gear and the fourth face gear; the first sealing ring is arranged on the inner side of a meshing gap between the first face gear and the second face gear of the gear box body; the second sealing ring is arranged on the inner side of a meshing gap between the third face gear and the fourth face gear of the gear box body.
4. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
The tooth width of the first face gear is smaller than the wall thickness of the torque arm, the inner gear ring and the middle box body.
5. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
The modulus and the tooth form of the first face gear and the second face gear are the same.
6. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
The module and the tooth form of the third face gear and the fourth face gear are the same.
7. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
The inner gear ring defines a center line; the inner gear ring is provided with a plurality of bolt holes; the bolt holes are uniformly distributed along the central line of the inner gear ring.
8. The face gear connection structure of a wind speed increasing gearbox according to claim 7,
The bolt holes are formed in the second face gear and the third face gear.
9. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
the torque arm and the inner gear ring are fixed through a bolt.
10. The face gear connection structure of a wind speed increasing gearbox according to claim 1,
The inner gear ring and the middle box body are fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215119.7U CN209762175U (en) | 2018-12-27 | 2018-12-27 | face gear connecting structure of wind power speed-increasing gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215119.7U CN209762175U (en) | 2018-12-27 | 2018-12-27 | face gear connecting structure of wind power speed-increasing gear box |
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| Publication Number | Publication Date |
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| CN209762175U true CN209762175U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215119.7U Active CN209762175U (en) | 2018-12-27 | 2018-12-27 | face gear connecting structure of wind power speed-increasing gear box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611529A (en) * | 2018-12-27 | 2019-04-12 | 南京高速齿轮制造有限公司 | Gear of wind power speed-increasing gearbox face gear connection structure |
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2018
- 2018-12-27 CN CN201822215119.7U patent/CN209762175U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611529A (en) * | 2018-12-27 | 2019-04-12 | 南京高速齿轮制造有限公司 | Gear of wind power speed-increasing gearbox face gear connection structure |
| CN109611529B (en) * | 2018-12-27 | 2024-05-14 | 南京高速齿轮制造有限公司 | Face gear connecting structure of wind power speed-up gear box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200512 Address after: 211103 No.30, Houjiao Road, gaoxinyuan, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211103 Jiangning Science Park, Nanjing, Jiangsu, 1 Tianyuan East Road. Co-patentee before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Patentee before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230207 Granted publication date: 20191210 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230327 Granted publication date: 20191210 |