CN218094079U - High-speed output shaft connecting structure of planetary speed-up gear box - Google Patents
High-speed output shaft connecting structure of planetary speed-up gear box Download PDFInfo
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- CN218094079U CN218094079U CN202222514424.2U CN202222514424U CN218094079U CN 218094079 U CN218094079 U CN 218094079U CN 202222514424 U CN202222514424 U CN 202222514424U CN 218094079 U CN218094079 U CN 218094079U
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Abstract
The invention belongs to the field of medium and small power and high rotating speed single-stage centrifugal compressors, vacuum fans and centripetal turbines in the field of energy conservation and emergency rescue, and particularly relates to a high-speed output shaft connecting structure of a planetary speed-increasing gear box. A high-speed output shaft connection structure of a planetary speed-up gearbox comprises: the device comprises a sun gear, a sun gear limiting block, a bolt, an inner gear sleeve and a high-speed output shaft; compared with the prior art, the high-speed output shaft connecting structure of the planetary speed-up gearbox, which is provided by the invention, adopts a structure that the sun gear and the high-speed shaft are meshed with the inner gear sleeve through the circular arc teeth, reduces the requirement of decentration of the planetary gear and the high-speed shaft, solves the influence of axial force generated by decentration on the high-speed shaft, reduces the manufacturing cost and the assembly precision requirement, and can provide reliable power transmission.
Description
Technical Field
The invention belongs to the field of medium and small power and high rotating speed single-stage centrifugal compressors, vacuum fans and centripetal turbines in the field of energy conservation and emergency rescue, and particularly relates to a high-speed output shaft connecting structure of a planetary speed-increasing gear box.
Background
The high-speed output shaft of the planetary speed-increasing gearbox is usually directly connected with the sun wheel or directly integrated with the sun wheel to realize high-speed output, the working centrifugal impeller is directly connected with the sun wheel, and due to the problems of manufacturing errors and assembly precision between the planet wheels, the inevitable generation of non-concentricity between the planet wheels and the sun wheel and the transmission of axial force to a working rotor are caused, so that the assembly difficulty is increased, and the vibration of the rotor is increased due to unstable operation, so that an important method for solving the problem is urgently needed by a novel high-speed output shaft connecting structure of the planetary speed-increasing gearbox.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to provide a high-speed output shaft connecting structure of a planetary speed-increasing gearbox, and solve the problem of direct output by adopting a sun gear at present.
(II) technical scheme
In order to solve the technical problem, the invention provides a high-speed output shaft connecting structure of a planetary speed-up gearbox, which comprises: sun gear 1, sun gear stopper 2, bolt 3, interior tooth cover 4, high-speed output shaft 5.
The sun gear 1 is of a stepped double-row tooth structure, one end of the sun gear is straight teeth, the other end of the sun gear is arc teeth, and a cylindrical hole is further formed in the center of the sun gear 1.
The sun gear 1 is externally meshed with the planet gear 6 through straight teeth.
The sun wheel 1 is meshed with the planet wheel 6 externally, and simultaneously is meshed with the inner gear sleeve 4 internally through the circular arc teeth.
The sun wheel limiting block 2 is connected with the inner cylindrical surface of the sun wheel 1.
The inner gear sleeve 4 is connected with a high-speed output shaft 5 through a bolt 3.
The sun gear 1 and the high-speed output shaft 5 are axially limited through a sun gear limiting block 2.
The sun gear 1 is internally meshed with the inner gear sleeve 4 through the circular arc teeth, and the inner gear sleeve 4 is connected with the high-speed output shaft 5 through the bolt 3, so that the high-speed shaft output is realized.
The sun gear 1 is meshed with the inner gear sleeve 4 through the circular arc teeth, so that the planetary gear 6 and the high-speed output shaft 5 can still normally run under the condition of non-concentricity, and the axial force generated by the planetary gear 6 and the sun gear 1 in the non-concentricity mode is not transmitted to the high-speed output shaft 5.
(III) advantageous effects
Compared with the prior art, the high-speed output shaft connecting structure of the planetary speed-up gearbox, which is provided by the invention, adopts a structure that the sun gear and the high-speed shaft are meshed with the inner gear sleeve through the circular arc teeth, reduces the requirement of decentration of the planetary gear and the high-speed shaft, solves the influence of axial force generated by decentration on the high-speed shaft, reduces the manufacturing cost and the assembly precision requirement, and can provide reliable power transmission.
Drawings
FIG. 1 is a schematic diagram of a two-dimensional structure of a high-speed output shaft connecting structure of a planetary speed-increasing gearbox.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the above technical problem, as shown in fig. 1, the present invention provides a high-speed output shaft connection structure of a planetary step-up gear box, including: sun gear 1, sun gear stopper 2, bolt 3, interior tooth cover 4, high-speed output shaft 5.
The sun gear 1 is of a stepped double-row tooth structure, one end of the sun gear is straight teeth, the other end of the sun gear is arc teeth, and a cylindrical hole is further formed in the center of the sun gear 1.
The sun gear 1 is externally meshed with the planet gear 6 through straight teeth.
The sun gear 1 is meshed with the planet gear 6 externally, and simultaneously, is meshed with the inner gear sleeve 4 internally through the circular arc teeth.
The sun gear limiting block 2 is connected with the inner cylindrical surface of the sun gear 1.
The inner gear sleeve 4 is connected with a high-speed output shaft 5 through a bolt 3.
The sun gear 1 and the high-speed output shaft 5 are axially limited through a sun gear limiting block 2.
The sun gear 1 is internally meshed with the inner gear sleeve 4 through the circular arc teeth, and the inner gear sleeve 4 is connected with the high-speed output shaft 5 through the bolt 3, so that the high-speed shaft output is realized.
The sun gear 1 is meshed with the inner gear sleeve 4 through the circular arc teeth, so that the planetary gear 6 and the high-speed output shaft 5 can still normally run under the condition of non-concentricity, and the axial force generated by the planetary gear 6 and the sun gear 1 in the non-concentricity mode is not transmitted to the high-speed output shaft 5.
Example 1
As shown in fig. 1, the high-speed output shaft connecting structure of the planetary step-up gear box according to the embodiment is suitable for the fields of medium and low power and high rotating speed single-stage centrifugal compressors, vacuum fans and centripetal turbines in the fields of energy conservation and emergency rescue using motors and internal combustion engines as power sources.
As shown in fig. 1, the figure is a schematic diagram of a two-dimensional structure of a high-speed output shaft connecting structure of a planetary speed-up gearbox according to the invention. With traditional sun gear direct output or directly link the difference, this scheme adopts sun gear 1 and 4 meshing transmissions of interior tooth cover, and sun gear 1 is for taking the ladder double row tooth structure, and one end is the straight-tooth, and the other end is the circular arc tooth, and planet wheel 6 has the external tooth, and interior tooth cover 4 is the internal gear, and 6 external teeth of planet wheel and 1 external tooth external toothing of sun gear, 4 internal teeth of interior tooth cover and 1 circular arc external toothing of sun gear to realize the indirect output of sun gear.
The main body of the invention is a sun gear meshing structure which comprises three basic elements, namely a sun gear 1, an inner gear sleeve 4, a high-speed output shaft 5 and the like, and the three basic elements are used for carrying out motion and power transmission, wherein the high-speed output shaft is a final output element.
The sun gear 1 is of a stepped double-row tooth structure, one end of the sun gear is straight teeth, the other end of the sun gear is arc teeth, and a cylindrical hole is further formed in the center of the sun gear 1.
The sun gear 1 is externally meshed with the planet gear 6 through straight teeth.
The sun gear 1 is meshed with the planet gear 6 externally, and simultaneously, is meshed with the inner gear sleeve 4 internally through the circular arc teeth.
The sun gear limiting block 2 is connected with the inner cylindrical surface of the sun gear 1.
The inner gear sleeve 4 is connected with a high-speed output shaft 5 through a bolt 3.
The sun gear 1 and the high-speed output shaft 5 are axially limited through a sun gear limiting block 2.
The sun gear 1 is internally meshed with the inner gear sleeve 4 through the circular arc teeth, and the inner gear sleeve 4 is connected with the high-speed output shaft 5 through the bolt 3, so that the high-speed shaft output is realized.
The sun gear 1 is meshed with the inner gear sleeve 4 through the circular arc teeth, so that the planetary gear 6 and the high-speed output shaft 5 can still normally run under the condition of non-concentricity, and the axial force generated by the planetary gear 6 and the sun gear 1 in the non-concentricity mode is not transmitted to the high-speed output shaft 5.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a high-speed output shaft connection structure of planet speed increasing gear box which characterized in that, high-speed output shaft connection structure of planet speed increasing gear box include: the device comprises a sun gear (1), a sun gear limiting block (2), a bolt (3), an inner gear sleeve (4) and a high-speed output shaft (5).
2. A planetary speed-increasing gearbox high-speed output shaft connecting structure as defined in claim 1, wherein said sun gear (1) is of a stepped double-row tooth structure, one end is straight teeth, the other end is circular-arc teeth, and a cylindrical hole is further provided at the center of said sun gear (1),
the sun gear (1) is externally meshed with the planet gear (6) through straight teeth,
the sun wheel (1) is meshed with the planet wheel (6) and simultaneously is meshed with the inner gear sleeve (4) through the circular arc teeth,
the sun wheel limiting block (2) is connected with the inner cylindrical surface of the sun wheel (1),
the inner gear sleeve (4) is connected with a high-speed output shaft (5) through a bolt (3),
the sun gear (1) and the high-speed output shaft (5) are axially limited through a sun gear limiting block (2).
3. A planetary speed-increasing gearbox high-speed output shaft connection structure according to claim 1, wherein the sun gear (1) is internally engaged with the inner gear sleeve (4) through circular arc teeth, and the inner gear sleeve (4) is connected with the high-speed output shaft (5) through the bolt (3), thereby realizing high-speed shaft output.
4. The connecting structure of the high-speed output shaft of the planetary speed-increasing gearbox according to claim 1, wherein the sun gear (1) is meshed with the inner gear sleeve (4) through circular arc teeth, so that the planetary gear (6) and the high-speed output shaft (5) can still normally run under the condition of non-concentricity, and the axial force generated by the non-concentricity of the planetary gear (6) and the sun gear (1) is not transmitted to the high-speed output shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514424.2U CN218094079U (en) | 2022-09-22 | 2022-09-22 | High-speed output shaft connecting structure of planetary speed-up gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222514424.2U CN218094079U (en) | 2022-09-22 | 2022-09-22 | High-speed output shaft connecting structure of planetary speed-up gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094079U true CN218094079U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222514424.2U Active CN218094079U (en) | 2022-09-22 | 2022-09-22 | High-speed output shaft connecting structure of planetary speed-up gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094079U (en) |
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2022
- 2022-09-22 CN CN202222514424.2U patent/CN218094079U/en active Active
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