CN207486025U - A kind of anti-loose structure planet axis and planet frame system - Google Patents
A kind of anti-loose structure planet axis and planet frame system Download PDFInfo
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- CN207486025U CN207486025U CN201721207732.3U CN201721207732U CN207486025U CN 207486025 U CN207486025 U CN 207486025U CN 201721207732 U CN201721207732 U CN 201721207732U CN 207486025 U CN207486025 U CN 207486025U
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- planet
- planet axis
- axis
- positioning surface
- carrier
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Abstract
The utility model discloses a kind of anti-loose structure planet axis and planet frame system, the overall structure of planet axis is d-axis, and planet axis one end is equipped with chamfering；The planet axis other end is equipped with annular knurl, and the lower section of annular knurl is equipped with positioning surface；The diameter of section of positioning surface is more than the diameter of section relative to planet axis below locating surface.The annular knurl is straight knurling.The diameter of section of the positioning surface is bigger 0.05 0.1mm than the diameter of section of the planet axis below locating surface.In addition to the annular knurl and positioning surface, the planet axis installing hole in the rest part and planet carrier of planet axis is clearance fit.The positioning surface coordinates with the planet axis installing hole in planet carrier for transition.Planet frame system, including planet carrier, planetary gear and anti-loose structure planet axis, the planet axis coordinates with the planet axis installing hole in the planet carrier for transition, and bearing is equipped between the planet axis and the planetary gear, and axle sleeve is equipped between the planet carrier and the planetary gear.
Description
Technical field
The utility model belongs to the field of mechanical equipment installation tool, and in particular to a kind of anti-loose structure planet axis and planet
Frame system.
Background technology
At present, yaw, variable paddle speed reducer are had a wide range of applications in wind-powered electricity generation field due to its excellent design feature.Wind-powered electricity generation
Yaw, variable paddle speed reducer are mostly driven using multi-stage planetary gear, and structure generally comprises sun gear, planetary gear, planet axis, planet
The parts such as frame, ring gear and bearing.Sun gear is engaged with planetary gear, transfers a torque to planetary gear；Planetary gear and planet axis
Between bearing is installed, be used to support planetary gear；Planet axis is installed in the planet axis hole in planet carrier；For using planet carrier
The planetary gear transmission mechanism of output, planetary gear transfers a torque to planet axis under the action of fixed ring gear, and planet axis pushes away
The torque output of planet carrier is realized in dynamic planet carrier rotation.
To ensure reliable power output, it is necessary to assure the installation positioning of planet axis and locking.In engineering practice, generally
It is positioned using jackscrew or the shaft shoulder and hole circlip groove is processed on planet carrier, positioned using the shaft shoulder and baffle ring.It is positioned using jackscrew
With it is locking when, mounting-positioning holes need to be processed on planet carrier and planet axis, and in planet axis installation process, above-mentioned mounting hole needs pair
Just, jackscrew is then screwed into, installation effectiveness is relatively low；When being positioned using hole with baffle ring, circlip groove and the shaft shoulder need to be processed in planet carrier,
And for ease of hole baffle ring installation and ensure planet axis axially position, need to accurately control the axial dimension of planet axis, it is right
It is higher to manufacture requirement on machining accuracy, improves processing cost.
Utility model content
The purpose of this utility model is to provide a kind of anti-loose structure planet axis and planet frame system, passes through the rolling in planet axis
Flower and positioning surface effectively realize the installation of planet axis, positioning and locking, help to reduce complete machine running noise and planet axis
Abrasion can effectively solve the problems, such as that planet axis installation effectiveness is low, installation is complicated and high processing costs.
To achieve these goals, a kind of anti-loose structure planet axis provided by the utility model, the entirety of the planet axis
Structure is d-axis, and described planet axis one end is equipped with chamfering；The planet axis other end is equipped with annular knurl.
Planet axis one end is equipped with chamfering, eliminates the corner angle of planet shaft end, makes planet axis beautiful, can also reduce stress collection
In and planet axis facilitate into the planet axis installing hole in planet carrier so that assembling is easy；The planet axis other end is equipped with rolling
Flower has anti-skidding effect, and planet axis installing hole inner surface in annular knurl insertion planet carrier, realizes planet axis under extruding force effect
It positions and locking so that axial with circumferentially without relative motion, reduction complete machine operating being contributed to make an uproar between planet axis and planet carrier
The abrasion of sound and planet axis.
Preferably, the lower section of the annular knurl is equipped with positioning surface, and the diameter of section of the positioning surface is more than relative to positioning
The diameter of section of the planet axis below face.
The lower section of annular knurl is equipped with positioning surface, and positioning surface matches with planet axis installing hole in planet carrier in planet axis installation process
It closes, the coaxial centering of planet axis and planet axis installing hole, ensures its axially position after ensureing planet axis and planet carrier installation is complete
Precision.The diameter of section of positioning surface is more than the diameter of section relative to planet axis below locating surface, when positioning surface and planet
Shaft mounting hole matches to ensure its axially position precision and during without opposite going to, planet axis and planet carrier below positioning surface
There is gap in middle planet axis installing hole, planet axis installation effectiveness can be improved, and planet axis and planet axis in planet carrier can be improved
The concentricity of mounting hole improves matching relationship, reduces the abrasion of planet axis.
Preferably, the annular knurl is straight knurling.
Annular knurl is designed as straight knurling, and planet axis reduces friction when entering the planet axis installing hole in planet carrier so that dress
With easy.
Preferably, the diameter of section of the positioning surface is bigger than the diameter of section of the planet axis below locating surface
0.05-0.1mm。
The diameter of section of positioning surface is bigger 0.05-0.1mm than the diameter of section of planet axis below locating surface, can improve row
Star axis installation effectiveness, and the concentricity of planet axis and planet axis installing hole in planet carrier can be improved.
Preferably, when in the planet axis installing hole that planet axis is mounted on planet carrier, in addition to the annular knurl and positioning surface, row
Planet axis installing hole in the rest part and planet carrier of star axis is clearance fit.
Planet axis installing hole is clearance fit in the rest part and planet carrier of planet axis, can improve planet axis installation effect
Rate.
Preferably, when in the planet axis installing hole that planet axis is mounted on planet carrier, in the positioning surface and planet carrier
Planet axis installing hole coordinates for transition.
Positioning surface coordinates with the planet axis installing hole in planet carrier for transition, and the certralizing ability of transition cooperation is relatively good, from
And ensureing the axially position precision of planet axis, planet axis, without relative rotation, completes the axial and circumferential of planet axis with respect to planet carrier
It positions, contributes to reduce total noise of centrifuge in the course of work, on the other hand can improve planet axis and planet axis installing hole in planet carrier
Concentricity, improve matching relationship.
The utility model also provides a kind of planet frame system, including planet carrier, planetary gear and above-mentioned anti-loose structure planet axis,
The planet axis coordinates with the planet axis installing hole in the planet carrier for transition, is set between the planet axis and the planetary gear
There is bearing, axle sleeve is equipped between the planet carrier and the planetary gear.
One kind provided by the utility model, has the advantages that：
Planet axis is machined with annular knurl and positioning surface, and planet carrier is without thread mill drilling, circlip groove or shaft shoulder etc., and planet axis
Jackscrew slot need not be processed, simple in structure, processing cost is low；
Planet axis is machined with annular knurl and positioning surface, realizes the axial and circumferential positioning of planet axis, ensures the axial direction of planet axis
Positioning accuracy, planet axis without relative rotation, contribute to reduce complete machine running noise and planet in the course of work with respect to planet carrier
The abrasion of axis；
Planet axis installing hole is clearance fit in the rest part and planet carrier of planet axis, can improve planet axis installation effect
Rate, positioning surface coordinate with the planet axis installing hole in planet carrier for transition, can improve planet axis and be installed with planet axis in planet carrier
The concentricity in hole improves matching relationship.
Description of the drawings
Fig. 1 is the scheme of installation of anti-loose structure planet axis.
Fig. 2 is the annular knurl of anti-loose structure planet axis and positioning surface close-up schematic view.
Fig. 3 is the scheme of installation of jackscrew planet axis.
Fig. 4 is the scheme of installation of baffle ring planet axis.
In figure：
1. 7. positioning surface of planet axis 2. axle sleeve, 3. planetary gear, 4. bearing, 5. planet carrier, 6. annular knurl, 8. jackscrew planet axis
9. jackscrew of planet carrier positioning, 10. threaded hole of planet axis 11. jackscrew, 12. jackscrew planet axis 13. jackscrew planet axis of axle sleeve
14. jackscrew planet axis of planetary gear 15. jackscrew slot of bearing, 16. baffle ring planet axis 17. baffle ring planet axis of planet carrier
18. the bearing of the 21. baffle ring planet axis of planetary gear of the 20. baffle ring planet axis of axle sleeve of hole 19. baffle ring planet axis of baffle ring.
Specific embodiment
It is right With reference to embodiment in order to which those skilled in the art is made to more fully understand the utility model
The utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model proposes a kind of anti-loose structure planet axis, 1 overall structure of planet axis is straight
Axis, one end are machined with chamfering, and the other end is machined with annular knurl 6 using hobboing cutter, and annular knurl can be straight knurling, and under straight knurling 6
End is machined with positioning surface 7, and positioning surface 7 need to meet certain cylindricity and require, except straight knurling 6, positioning surface 7 in planet axis 1
Diameter of section 0.05-0.1mm big with respect to rest part.
In addition to straight knurling 6 and positioning surface 7,1 rest part of planet axis is matched with planet axis installing hole in planet carrier 5 for gap
It closes, 1 installation effectiveness of planet axis can be improved, installed convenient for planet axis；Positioning surface 7 and planet axis installing hole are transition in planet axis 1
Cooperation can improve the concentricity of planet axis 1 and planet axis installing hole in planet carrier 5, improve matching relationship, realize planet axis installation
Centering in the process.
Using the planetary gear transmission mechanism of planet axis 1, assembling process is as follows：Bearing 4 is packed into planetary gear 3, by axis
Set 2, planetary gear 3 are aligned with the planet axis installing hole in planet carrier 5, after planet axis 1 is inserted into planet axis installing hole, squeeze planet
Annular knurl 6 coordinates outer end face in planet axis installing hole and planet axis 1 in frame 5, and planet axis installing hole inner surface is in annular knurl in planet carrier 5
Be deformed under 6 effects, annular knurl 6 is embedded in planet axis installing hole inner surface in planet carrier 5, realize annular knurl planet axis 1 axial direction and
It is circumferentially positioned and locking.Positioning surface 7 is matched with planet axis installing hole in planet carrier 5 in 1 installation process of planet axis, ensures it
Axially position precision.After installation is complete, annular knurl 6 coordinates annular knurl planet axis 1 with planet axis installing hole inner surface, planet axis and planet
It is axial with circumferentially without relative motion, helping to reduce the abrasion of complete machine running noise and planet axis between frame.
Fig. 3 is the scheme of installation of jackscrew planet axis.As shown in figure 3, it is threaded on the planet carrier 8 of jackscrew planet axis
Hole 10, jackscrew position and are machined with jackscrew slot 15 in planet axis 9.In assembling process, jackscrew 11 is screwed into the planet of jackscrew planet axis
In threaded hole 10 in frame 8, the jackscrew slot 15 on 11 end face of jackscrew and jackscrew positioning planet axis 9 coordinates, and realizes jackscrew home row
The installation positioning of star axis 9.Using annular knurl and positioning surface positioning compared with using jackscrew positioning, planet carrier without thread mill drilling,
And planet axis need not process jackscrew slot, it is simple in structure.
Fig. 4 is the scheme of installation of baffle ring planet axis.As shown in figure 4,16 upper planet axis of the planet carrier peace of baffle ring planet axis
Dress is machined with circlip groove in hole, and spline outer ring is machined with the shaft shoulder.Hole baffle ring 18 is installed in planet axis installing hole inner shield ring slot.
17 one end of baffle ring planet axis and the cooperation of the spline outer ring shaft shoulder, one end coordinate with hole baffle ring 18, realize its installation positioning.Using gear
Position is drawn a circle to approve compared with being positioned using annular knurl and positioning surface, the planet carrier 16 of baffle ring planet axis need to process circlip groove and the shaft shoulder, and
There are certain axial floats for baffle ring planet axis 17 after installation is complete, are unfavorable for the control of noise and transmission accuracy.
During using other positioning methods, assembling process mesoporous baffle ring 18, which installs inconvenient, jackscrew 11, to be needed to position with jackscrew
Jackscrew slot 15 in planet axis 9 is to the heart, and assembling is cumbersome, compared with other kinds of planet axis positioning method, using planet axis 1
When, planet carrier 5 is simple in structure, without thread mill drilling 10, circlip groove and the shaft shoulder, reduces the manufacturing procedure of planet carrier 5, improves
Processing efficiency；And 18 grade parts of jackscrew 11 or hole baffle ring are reduced, it effectively reduces cost；Dress can be improved using planet axis 1
With efficiency.
Specific case used herein elaborates inventive concept, the explanation of above example is only intended to
Help understands the core concept of the utility model.It should be pointed out that it for those skilled in the art, is not taking off
Under the premise of from the inventive concept, any obvious modification, equivalent replacement or the other improvements made should be included in this
Within the protection domain of utility model.
Claims (7)
1. a kind of anti-loose structure planet axis, the overall structure of the planet axis is d-axis, and described planet axis one end is equipped with chamfering；Its
It is characterized in that, the planet axis other end is equipped with annular knurl.
2. anti-loose structure planet axis according to claim 1, which is characterized in that the lower section of the annular knurl is equipped with positioning surface,
The diameter of section of the positioning surface is more than the diameter of section relative to the planet axis below locating surface.
3. anti-loose structure planet axis according to claim 1, which is characterized in that the annular knurl is straight knurling.
4. anti-loose structure planet axis according to claim 2, which is characterized in that the diameter of section ratio of the positioning surface is fixed
The big 0.05-0.1mm of diameter of section of the planet axis below plane.
5. anti-loose structure planet axis according to claim 2, which is characterized in that when planet axis is mounted on the planet of planet carrier
When in shaft mounting hole, in addition to the annular knurl and positioning surface, the planet axis installing hole in the planet axis and planet carrier of rest part is
Clearance fit.
6. anti-loose structure planet axis according to claim 2, which is characterized in that when planet axis is mounted on the planet of planet carrier
When in shaft mounting hole, the positioning surface coordinates with the planet axis installing hole in planet carrier for transition.
7. a kind of planet frame system, which is characterized in that prevent including planet carrier, planetary gear and claim 1-6 any one of them
Loose structure planet axis, the planet axis coordinate with the planet axis installing hole in the planet carrier for transition, the planet axis and institute
It states and bearing is equipped between planetary gear, axle sleeve is equipped between the planet carrier and the planetary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207732.3U CN207486025U (en) | 2017-09-20 | 2017-09-20 | A kind of anti-loose structure planet axis and planet frame system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721207732.3U CN207486025U (en) | 2017-09-20 | 2017-09-20 | A kind of anti-loose structure planet axis and planet frame system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207486025U true CN207486025U (en) | 2018-06-12 |
Family
ID=62482050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721207732.3U Active CN207486025U (en) | 2017-09-20 | 2017-09-20 | A kind of anti-loose structure planet axis and planet frame system |
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| CN (1) | CN207486025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728059A (en) * | 2021-01-20 | 2021-04-30 | 索特传动设备有限公司 | Planet shaft, planet speed reducer and engineering machinery |
| CN112728060A (en) * | 2021-01-20 | 2021-04-30 | 索特传动设备有限公司 | Planet carrier, planetary reducer and engineering machinery |
-
2017
- 2017-09-20 CN CN201721207732.3U patent/CN207486025U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728059A (en) * | 2021-01-20 | 2021-04-30 | 索特传动设备有限公司 | Planet shaft, planet speed reducer and engineering machinery |
| CN112728060A (en) * | 2021-01-20 | 2021-04-30 | 索特传动设备有限公司 | Planet carrier, planetary reducer and engineering machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti loosening structure planet axle and planet carrier system Effective date of registration: 20181225 Granted publication date: 20180612 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd Pledgor: Yinchuan power transmission technology Limited by Share Ltd Registration number: 2018640000005 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191202 Granted publication date: 20180612 Pledgee: Bank of Ningxia science and technology branch of Limited by Share Ltd Pledgor: Yinchuan power transmission technology Limited by Share Ltd Registration number: 2018640000005 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Anti loosening structure planet axle and planet carrier system Effective date of registration: 20200116 Granted publication date: 20180612 Pledgee: Ningxia Chuangyi Equity Investment Fund Management Co., Ltd Pledgor: Yinchuan power transmission technology Limited by Share Ltd Registration number: Y2020640000001 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210105 Granted publication date: 20180612 Pledgee: Ningxia Chuangyi Equity Investment Fund Management Co.,Ltd. Pledgor: YINCHUAN WEILI TRANSMISSION TECHNOLOGY Co.,Ltd. Registration number: Y2020640000001 |