CN215928315U - Steel ball supporting type speed reducer - Google Patents
Steel ball supporting type speed reducer Download PDFInfo
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- CN215928315U CN215928315U CN202121410140.8U CN202121410140U CN215928315U CN 215928315 U CN215928315 U CN 215928315U CN 202121410140 U CN202121410140 U CN 202121410140U CN 215928315 U CN215928315 U CN 215928315U
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- input shaft
- output gear
- gear
- steel ball
- speed reducer
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Abstract
The utility model discloses a steel ball supporting type speed reducer which comprises a shell assembly, an output gear, a transition gear, an input shaft and steel balls, wherein the input shaft and the output gear are respectively arranged at two ends of the shell assembly, the input shaft and the output gear are respectively connected with the input gear and the transition gear, the two ends of the shell assembly are respectively connected with the input shaft and the output gear, the power of the input shaft is transmitted to the output gear, and the transition gear is connected with the output gear through the steel balls to transmit the power. The utility model solves the problem that the steel ball is used for single-point support, effectively solves the defect of large transmission friction resistance caused by directly using a sliding pair, cannot meet the requirement of equipment space layout, supports the axial dimension of the whole transmission system by the steel ball, can adjust the axial clearance and can meet the requirement of transmission precision; the utility model has the advantages of simple structure, stable performance and longer service life.
Description
Technical Field
The utility model relates to the technical field of speed reducers, in particular to a steel ball supporting type speed reducer.
Background
The speed reducer is arranged at the tail part of the aircraft and mainly has the function of converting the deflection angle of the action mechanism into a real-time angle in a 1:1 state through the speed reducer.
The actuating structure mainly comprises a shell, an output inner gear, a transition gear and an input pinion. The working process is that the input pinion drives the transition gear to complete the first-stage speed reduction, the transition gear drives the output inner gear to complete the second-stage speed reduction, and the friction torque of the speed reducer is less than 10 mN.m.
In the past, the speed reducer in the design uses a double-bearing supporting mode, and the requirement of a user on the space size cannot be met.
Therefore, how to solve the prior art problem is a technical problem to be solved urgently in the industry.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide a steel ball supported type speed reducer.
The utility model realizes the purpose through the following technical scheme:
the steel ball supporting type speed reducer comprises a shell assembly, an output gear, a transition gear, an input shaft and a transmission medium, wherein the input shaft and the output gear are arranged at two ends of the shell assembly respectively, the two ends of the shell assembly are connected with the input shaft and the output gear respectively after being connected through the input gear and the transition gear, the power of the input shaft is transmitted to the output gear, and the transition gear is connected with the output gear through the transmission medium to transmit the power.
Preferably, the transmission medium is steel balls, a groove for clamping the steel balls is formed in the surface, opposite to the output gear, of the transition gear, and the transition gear is connected with the output gear through the steel balls to transmit power.
Preferably, the housing assembly comprises a second cover plate arranged on the outer wall of the input shaft and a first cover plate arranged on the outer wall of the output gear, and the first cover plate and the second cover plate are connected through a central body.
Preferably, the first cover plate and the central body are fixed through screws, and a bearing is arranged between the second cover plate and the input shaft.
Preferably, the input shaft is sleeved in the input gear and fixed through the cylindrical pin.
Preferably, a first deep groove ball bearing is arranged between the transition gear and the central body.
Preferably, a second deep groove ball bearing is arranged between the output gear and the first cover plate.
According to the utility model, preferably, a key is arranged on the outer wall of the input shaft and is used for being connected with an external power assembly to transmit power.
The utility model has the beneficial effects that:
compared with the prior art, the utility model solves the problem of single-point support by using steel balls, effectively solves the defect of large transmission friction resistance caused by directly using a sliding pair, cannot meet the requirement of equipment space layout, supports the axial dimension of the whole transmission system by using the steel balls, can adjust the axial clearance and can meet the requirement of transmission precision; the utility model has the advantages of simple structure, stable performance and longer service life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of a steel ball supporting type speed reducer according to the utility model;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the transition gear and the output gear through steel balls.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 and 2, an embodiment of the present invention provides a steel ball supported speed reducer, which includes a housing assembly, an output gear 2, a transition gear 4, an input gear 5, an input shaft 3, and a transmission medium, where two ends of the housing assembly are respectively provided with the input shaft 3 and the output gear 2, and after being connected by the input gear 5 and the transition gear 4, the two ends are respectively connected with the input shaft 3 and the output gear 2, so as to transmit power of the input shaft 3 to the output gear 2, and the transition gear 4 is connected with the output gear 2 by the transmission medium to transmit power.
As shown in fig. 1-3, the transmission medium is steel balls 10, a groove 15 for engaging the steel balls 10 is formed in the opposite surface of the transition gear 4 to the output gear 5, and the transition gear 4 is engaged with the output gear 5 through the steel balls 10 to transmit power.
As shown in fig. 1 and 2, the housing assembly includes a second cover plate 9 disposed on an outer wall of the input shaft 3 and a first cover plate 8 disposed on an outer wall of the output gear 2, the first cover plate 8 and the second cover plate 9 are connected by a central body 1, the first cover plate 8 and the central body 1 are fixed by a screw 14, and a bearing 13 is disposed between the second cover plate 9 and the input shaft 3.
As shown in fig. 1 and 2, the input shaft 3 is sleeved in the input gear 5 and fixed by the cylindrical pin 7, a first deep groove ball bearing 11 is arranged between the transition gear 4 and the central body 1, a second deep groove ball bearing 12 is arranged between the output gear 2 and the first cover plate 8, and a key 6 is arranged on the outer wall of the input shaft 3 and used for being connected with an external power assembly to transmit power.
The working principle of the utility model is as follows:
as shown in fig. 1 and 2, a key 6 is arranged on the outer wall of the input shaft 3 and used for being connected with an external power assembly to transmit power, the input shaft 3 is sleeved in the input gear 5 and fixed through a cylindrical pin 7, two ends of the input gear 5 and two ends of the transition gear 4 are respectively connected with the input shaft 3 and the output gear 2 after being connected, the power of the input shaft 3 is transmitted to the output gear 2, the transition gear 4 is connected with the output gear 2 through a steel ball 10 to transmit power, and the steel ball 10 supports the axial size of the whole transmission system, so that the axial clearance can be adjusted, and the requirement of transmission precision can be met.
In conclusion, the steel ball supporting type speed reducer is designed, the problem that the steel ball is used for single-point supporting is solved, the defect that the transmission friction resistance is large due to the fact that a sliding pair is directly used is effectively solved, the requirement of equipment space layout cannot be met, the steel ball supports the axial size of the whole transmission system, the axial clearance can be adjusted, and the requirement of transmission precision can be met; the utility model has the advantages of simple structure, stable performance and longer service life.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the terms describing the positional relationships in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. The steel ball supporting type speed reducer is characterized by comprising a shell assembly, an output gear, a transition gear, an input shaft and a transmission medium, wherein the input shaft and the output gear are arranged at two ends of the shell assembly respectively, the two ends of the shell assembly are connected with the input shaft and the output gear respectively after being connected through the input gear and the transition gear, the two ends of the shell assembly are connected with the input shaft and the output gear respectively, the power of the input shaft is transmitted to the output gear, and the transition gear is connected with the output gear through the transmission medium to transmit the power.
2. The steel ball supported reducer of claim 1, wherein the transmission medium is steel balls, a groove for engaging the steel balls is formed in a surface of the transition gear opposite to the output gear, and the transition gear is engaged with the output gear through the steel balls to transmit power.
3. A steel ball supported speed reducer according to claim 1 or 2 wherein said housing assembly includes a second cover plate disposed on the outer wall of the input shaft and a first cover plate disposed on the outer wall of the output gear, said first and second cover plates being connected by a central body.
4. A steel ball supported speed reducer according to claim 3 wherein said first cover plate is fixed to said central body by screws and said second cover plate is mounted to said input shaft by bearings.
5. A steel ball supported speed reducer according to claim 4 wherein the input shaft is journalled within the input gear and secured thereto by a cylindrical pin.
6. A steel ball supported speed reducer according to claim 5, wherein a first deep groove ball bearing is provided between the transition gear and the central body.
7. A steel ball supported speed reducer according to claim 6, wherein a second deep groove ball bearing is provided between the output gear and the first cover plate.
8. A steel ball supported speed reducer according to claim 7 wherein the input shaft has a key on its outer wall for connection to an external power unit for power transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410140.8U CN215928315U (en) | 2021-06-23 | 2021-06-23 | Steel ball supporting type speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121410140.8U CN215928315U (en) | 2021-06-23 | 2021-06-23 | Steel ball supporting type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215928315U true CN215928315U (en) | 2022-03-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121410140.8U Active CN215928315U (en) | 2021-06-23 | 2021-06-23 | Steel ball supporting type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215928315U (en) |
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2021
- 2021-06-23 CN CN202121410140.8U patent/CN215928315U/en active Active
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