CN109944932A - Axis links system and planet gear transmission system - Google Patents
Axis links system and planet gear transmission system Download PDFInfo
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- CN109944932A CN109944932A CN201910215381.8A CN201910215381A CN109944932A CN 109944932 A CN109944932 A CN 109944932A CN 201910215381 A CN201910215381 A CN 201910215381A CN 109944932 A CN109944932 A CN 109944932A
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- transmission shaft
- axis
- revolving meber
- links system
- links
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Abstract
The present invention relates to planetary gear train technical field, propose that a kind of axis links system and planet gear transmission system, which links system and include transmission shaft, scratch moving axis and revolving meber.The transmission shaft includes along its axially extending cavity；Scratching moving axis includes positioning region and first connecting portion, and the positioning region interference is connected in the cavity of the transmission shaft；Revolving meber spline connects the first connecting portion.The revolving meber that the axis links in system can be in movement axially and radially, to realize the effect of load balancing mechanism of the revolving meber.Occupy little space in addition, the axis links system, can application range it is wider.
Description
Technical field
The present invention relates to planetary gear train technical fields more particularly to a kind of axis to link system and planet gear transmission system.
Background technique
Axis links system and generally comprises transmission shaft and revolving meber, and revolving meber can be rotated around transmission shaft.Axis links system each
Kind technical field has application, can be applied in planet gear transmission system for example, axis links system, for realizing planetary gear and sun gear
Pivoting.Axis links in system, and revolving meber and transmission shaft usually require floating connection, to realize the load balancing of revolving meber.
For example, just having if transmission shaft and sun gear floating connection, between sun gear and other planetary gears automatic in planetary gear train
Compensation space, to realize that each planetary gear averraged load.
In the related technology, axis links system and is usually connect respectively with transmission shaft and revolving meber spline by a spline housing, the flower
Key set has internal spline pair and external splines pair, and internal spline pair is connect with splined driveshaft, and external splines pair is connect with revolving meber spline.
Axis links system and revolving meber axially and radially moving relative to transmission shaft may be implemented by the spline housing.
However, the design requirement of spline housing is high, the internal spline pair and external splines pair of spline housing are limited by torque and are required to
Tool has the dimensions, so that it is larger to cause axis to connect system bulk, may not apply to the lesser system of accommodation space.
It should be noted that the information in the invention of above-mentioned background technology part is only used for reinforcing the reason to background of the invention
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The purpose of the present invention is to provide a kind of axis to link system and planet gear transmission system.The axis, which links system, can solve related skill
Art axis links the big technical problem of system occupied space.
Other characteristics and advantages of the invention will be apparent from by the following detailed description, or partially by the present invention
Practice and acquistion.
According to an aspect of the present invention, a kind of axis is provided and links system, which links system and include transmission shaft, scratch moving axis, return
Turn part.The transmission shaft includes along its axially extending cavity；Scratching moving axis includes positioning region and first connecting portion, the positioning region
Interference is connected in the cavity of the transmission shaft；Revolving meber spline connects the first connecting portion.
In a kind of exemplary embodiment of the invention, it further includes positioning pin that axis, which links system,.Positioning pin is along the transmission shaft
It is connected radially between the transmission shaft and the positioning region for scratching moving axis.
In a kind of exemplary embodiment of the invention, the transmission shaft is supported in a support close to one end of the revolving meber
Bearing, the positioning region are located at the spring bearing corresponding position.
In a kind of exemplary embodiment of the invention, the moving axis of scratching further includes second connecting portion.The second connecting portion
Side positioned at the positioning region far from the first connecting portion, and the second connecting portion spline is connected to the transmission shaft
In cavity.
In a kind of exemplary embodiment of the invention, the revolving meber is provided with blocking towards the side of the transmission shaft
Portion, the blocking portion have the blocking surface towards the revolving meber, and it further includes limit assembly that the axis, which links system,.Limit assembly is solid
Moving axis is scratched due to described, and between the transmission shaft and the revolving meber, the limit assembly includes extending to the resistance
The limiting section of block face；The limiting section matches setting with the blocking surface for stopping the revolving meber to far from the transmission shaft
Side is mobile.
In a kind of exemplary embodiment of the invention, has between the blocking surface and the revolving meber and accommodate the limit
Portion is along the space that the transmission shaft moves axially.
In a kind of exemplary embodiment of the invention, the limit assembly, which is threadedly connected to, described scratches moving axis.
In a kind of exemplary embodiment of the invention, the revolving meber is sun gear.
In a kind of exemplary embodiment of the invention, the revolving meber is planetary gear.
According to an aspect of the present invention, a kind of planet gear transmission system is provided, which includes that above-mentioned axis links
System.
The present invention provides a kind of axis and links system and planet gear transmission system.The axis links system and includes transmission shaft, scratches moving axis and return
Turn part.The transmission shaft includes along its axially extending cavity；Scratching moving axis includes positioning region and first connecting portion, the positioning region
Interference is connected in the cavity of the transmission shaft；Revolving meber spline connects the first connecting portion.On the one hand, which links in system
Revolving meber can be in movement axially and radially, to realize the effect of load balancing mechanism of the revolving meber；On the other hand, which links system
Occupy little space, can application range it is wider.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.It should be evident that the accompanying drawings in the following description is only the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram that the relevant technologies axis links system；
Fig. 2 is the structural schematic diagram that disclosure axis links unified kind of exemplary embodiment；
Fig. 3 is the structural schematic diagram that disclosure axis links another exemplary embodiment of uniting；
Fig. 4 is the structural schematic diagram that disclosure axis links another exemplary embodiment of uniting.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the present invention will more comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical appended drawing reference indicates in figure
Same or similar structure, thus the detailed description that them will be omitted.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".Term of other relativities, such as "high" " low " "top" "bottom" " left side " " right side " etc. are also made to have similar
Meaning.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain structure
It is " direct " to be arranged in other structures, or refer to that certain structure is arranged in other structures by the way that another structure is " indirect ".
Term "one", " one ", " described " to indicate there are one or more elements/component part/etc.；Term " packet
Include " and " having " to indicate the open meaning being included and refer to that the element/component part/in addition to listing waits it
Outside also may be present other element/component part/etc..
As shown in Figure 1, linking the structural schematic diagram of system for the relevant technologies axis.It includes transmission shaft 1, revolution that the axis, which links system,
Part 2 and spline housing 3, wherein transmission shaft 1 is supported by bearing 4.Spline housing 3 connects with transmission shaft 1 and the revolution of revolving meber 2 respectively
It connects.In the related technology, axis links system and is usually connect respectively with transmission shaft and revolving meber spline by a spline housing.However, spline
The design requirement of set 3 is high, and the internal spline pair and external splines pair of spline housing 3, which are limited to be required to have by torque, to be had the dimensions,
It is larger to cause axis to connect system bulk, it may not apply to the lesser system of accommodation space.
Based on this, the present exemplary embodiment provides a kind of axis and links system, as shown in Fig. 2, linking unified kind for disclosure axis
The structural schematic diagram of exemplary embodiment.The axis links system and includes transmission shaft 5, scratches moving axis 6, revolving meber 7.The transmission shaft 5 wraps
It includes along its axially extending cavity；Scratching moving axis 6 includes positioning region 61 and first connecting portion 62, and 61 interference of positioning region is connected to
In the cavity of the transmission shaft 5；7 spline of revolving meber connects the first connecting portion 62.Wherein, scratch moving axis 6 except positioning region 61 with
The outer diameter at outer position is less than the internal diameter of transmission shaft 5, and radial perturb can occur in the cavity of transmission shaft 5.
The present exemplary embodiment provides a kind of axis and links system.The axis links system and includes transmission shaft, scratches moving axis and revolving meber.
The transmission shaft includes along its axially extending cavity；Scratching moving axis includes positioning region and first connecting portion, the positioning region interference
It is connected in the cavity of the transmission shaft；Revolving meber spline connects the first connecting portion.On the one hand, which links returning in system
Turning part can move axially relative to first connecting portion, while the revolving meber can use and scratch the immunity of moving axis and move radially,
So as to realize the effect of load balancing mechanism of the revolving meber；On the other hand, which links system and does not need setting spline housing, and scratches moving axis and set
It is placed in inside transmission shaft, to reduce occupied space.
In the present exemplary embodiment, positioning region 61 can be connected in the cavity of transmission shaft 5 with interference.When revolving meber is in radial direction
When floating, positioning region 61 can deformation occurs, to cause to scratch moving axis 6 with positioning region 61 to be that radial deformation occurs for fulcrum.Therefore, lead to
Overregulate the interference contiguity around property and positioning region 61 and transmission shaft 5 for scratching moving axis 6, the radial floating of adjustable revolving meber
Amount.
It in the present exemplary embodiment, is rotated to avoid scratching moving axis 6 relative to transmission shaft 5, as shown in figure 3, being disclosure axis
Link the structural schematic diagram for another exemplary embodiment of uniting.It can also include positioning pin 8 that the axis, which links system,.Positioning pin 8 can be with
Along being connected radially between the transmission shaft and the positioning region for scratching moving axis for the transmission shaft, to avoid scratching 6 phase of moving axis
Transmission shaft 5 is rotated.
In the present exemplary embodiment, in radial force, which can be transmitted to hollow revolving meber 7 by positioning region 61
Transmission shaft 5 on, which may cause certain damage to the outer wall of transmission shaft 5.As shown in Figure 2,3, the transmission
Axis can be supported in a spring bearing 11 close to one end of the revolving meber, and the positioning region 61 can be located at the spring bearing
11 corresponding positions, when positioning region 61 generates radial force to transmission shaft 5, spring bearing can be generated and the radial force transmission shaft
The support force of opposite direction, so as to avoid the damage of rotation axis 5.
In the present exemplary embodiment, as shown in figure 4, the structure for linking another exemplary embodiment of uniting for disclosure axis is shown
It is intended to.The moving axis 6 of scratching can also include second connecting portion 63.The second connecting portion 63 is located at the positioning region 61 far from institute
The side of first connecting portion 62 is stated, and 63 spline of the second connecting portion is connected in the cavity of the transmission shaft 5.Pass through adjusting
Gap between second connecting portion 63 and transmission shaft 5 can further adjust the amount of floating of revolving meber.
In the present exemplary embodiment, as shown in figure 4, the revolving meber 7 can be set towards the side of the transmission shaft 5
Blocking portion, the blocking portion have the blocking surface 9 towards the revolving meber 7, and it further includes limit assembly 10 that the axis, which links system,.Limit
Hyte part 10 scratches moving axis 6 described in being fixed on, and between the transmission shaft 5 and the revolving meber 7, and the limit assembly 10 wraps
Include the limiting section 101 for extending to the blocking surface；It is described for stopping that the limiting section 101 matches setting with the blocking surface 9
Revolving meber 7 is to far from 5 side of transmission shaft movement.Wherein, have between the blocking surface 9 and the revolving meber 7 and accommodate institute
Limiting section 101 is stated along the space that the transmission shaft moves axially, to realize that revolving meber can be axially moveable.Limit assembly 10
Moving axis 6 is scratched described in being threadedly connected to, for example, limit assembly can be clamp nut.
In the present exemplary embodiment, which, which links system, can be applied to various technical fields, for example, the axis link system can be with
Applied to planet gear transmission system, the revolving meber can be sun gear, and the revolving meber can be planetary gear.
The present exemplary embodiment also provides a kind of planet gear transmission system, which includes that above-mentioned axis links system.
The planet gear transmission system and above-mentioned axis that the present exemplary embodiment provides link system technical characteristic having the same and work
Make principle, above content has been described in detail, and details are not described herein again.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
His embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Adaptive change follow the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure or
Conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the attached claims.
Claims (10)
1. a kind of axis links system characterized by comprising
Transmission shaft, the transmission shaft include along its axially extending cavity；
Moving axis, including positioning region and first connecting portion are scratched, the positioning region interference is connected in the cavity of the transmission shaft；
Revolving meber, spline connect the first connecting portion.
2. axis according to claim 1 links system, which is characterized in that further include:
Positioning pin, along being connected radially between the transmission shaft and the positioning region for scratching moving axis for the transmission shaft.
3. axis according to claim 1 links system, which is characterized in that one end branch of the transmission shaft close to the revolving meber
It supports in a spring bearing, the positioning region is located at the spring bearing corresponding position.
4. axis according to claim 3 links system, which is characterized in that described to scratch moving axis further include:
Second connecting portion, the second connecting portion are located at side of the positioning region far from the first connecting portion, and described
Two interconnecting piece splines are connected in the cavity of the transmission shaft.
5. axis according to claim 1 links system, which is characterized in that the revolving meber is set towards the side of the transmission shaft
It is equipped with blocking portion, the blocking portion has the blocking surface towards the revolving meber, and the axis links system further include:
Limit assembly, be fixed on it is described scratch moving axis, and between the transmission shaft and the revolving meber, the limit assembly packet
Include the limiting section for extending to the blocking surface；
The limiting section matches setting with the blocking surface for stopping the revolving meber to far from transmission shaft side movement.
6. axis according to claim 5 links system, which is characterized in that have between the blocking surface and the revolving meber and hold
The limiting section is received along the space that the transmission shaft moves axially.
7. axis according to claim 5 links system, which is characterized in that the limit assembly is threadedly connected to described perturb
Axis.
8. axis according to claim 1 links system, which is characterized in that the revolving meber is sun gear.
9. axis according to claim 1 links system, which is characterized in that the revolving meber is planetary gear.
10. a kind of planet gear transmission system, which is characterized in that link system including the described in any item axis of at least one claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215381.8A CN109944932B (en) | 2019-03-20 | 2019-03-20 | Shaft coupling system and planetary wheel system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910215381.8A CN109944932B (en) | 2019-03-20 | 2019-03-20 | Shaft coupling system and planetary wheel system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109944932A true CN109944932A (en) | 2019-06-28 |
| CN109944932B CN109944932B (en) | 2020-09-08 |
Family
ID=67010429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910215381.8A Active CN109944932B (en) | 2019-03-20 | 2019-03-20 | Shaft coupling system and planetary wheel system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109944932B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714821U (en) * | 2010-07-09 | 2011-01-19 | 重庆望江工业有限公司 | Flexible shaft assembly of planetary gear |
| CN203230835U (en) * | 2013-02-05 | 2013-10-09 | 杭州前进齿轮箱集团股份有限公司 | Planetary gear resilient support structure |
| CN203297580U (en) * | 2013-05-07 | 2013-11-20 | 中国航空动力机械研究所 | Connecting structure |
| CN204755760U (en) * | 2015-05-29 | 2015-11-11 | 南京高精齿轮集团有限公司 | Power double split flow speed reducer that all carries |
| CN205715578U (en) * | 2016-06-20 | 2016-11-23 | 湖北工程学院 | A kind of wind turbine gearbox flexible shaft |
| DE102017200459A1 (en) * | 2017-01-12 | 2018-07-12 | Zf Friedrichshafen Ag | gear shaft |
-
2019
- 2019-03-20 CN CN201910215381.8A patent/CN109944932B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714821U (en) * | 2010-07-09 | 2011-01-19 | 重庆望江工业有限公司 | Flexible shaft assembly of planetary gear |
| CN203230835U (en) * | 2013-02-05 | 2013-10-09 | 杭州前进齿轮箱集团股份有限公司 | Planetary gear resilient support structure |
| CN203297580U (en) * | 2013-05-07 | 2013-11-20 | 中国航空动力机械研究所 | Connecting structure |
| CN204755760U (en) * | 2015-05-29 | 2015-11-11 | 南京高精齿轮集团有限公司 | Power double split flow speed reducer that all carries |
| CN205715578U (en) * | 2016-06-20 | 2016-11-23 | 湖北工程学院 | A kind of wind turbine gearbox flexible shaft |
| DE102017200459A1 (en) * | 2017-01-12 | 2018-07-12 | Zf Friedrichshafen Ag | gear shaft |
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| Publication number | Publication date |
|---|---|
| CN109944932B (en) | 2020-09-08 |
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