CN108167424A - It is integrated with the planet carrier and planetary gear mechanism of park tooth - Google Patents
It is integrated with the planet carrier and planetary gear mechanism of park tooth Download PDFInfo
- Publication number
- CN108167424A CN108167424A CN201711329985.2A CN201711329985A CN108167424A CN 108167424 A CN108167424 A CN 108167424A CN 201711329985 A CN201711329985 A CN 201711329985A CN 108167424 A CN108167424 A CN 108167424A
- Authority
- CN
- China
- Prior art keywords
- planet carrier
- planetary gear
- mounting portion
- bearing
- integrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
A kind of planet carrier for being integrated with park tooth is provided, the planet carrier is formed as single structure by casting, the planet carrier includes planetary gear mounting portion and parking teeth portion, the planetary gear mounting portion includes the first side wall, second sidewall and connects the first side wall and the peripheral wall of the second sidewall, multiple planetary gear construction openings are formed in the peripheral wall, the second sidewall extends beyond the peripheral wall towards radial outside and forms the parking teeth portion with multiple park tooths.The planet carrier of the present invention is formed as single structure by casting, and simple production process, process for machining is simple, at low cost.Meanwhile planet carrier has the rigidity improved and good NVH performances.In addition, the present invention the planet carrier in, form parking teeth portion by extending second sidewall, in a simple manner with structure assembly parking function.
Description
Technical field
The present invention relates to transmission device field, more particularly, to a kind of planet carrier for being integrated with park tooth and including this
The planetary gear mechanism of planet carrier.
Background technology
Fig. 1 shows a kind of existing planet carrier.The planet carrier is welded by three components.In the planet carrier, axis
The peripheral surface of axial one end of bearing 100 is welded to the first side plate 200 at welding position W1.It is stretched out from the second side plate 300
Multiple arms 400 are welded to the first side plate 200 at welding position W2.Bearing can be installed at the inner peripheral surface 101 of bearing block 100
(not shown).The planetary gear installation space 500 for installing planetary gear (not shown) is formed between alternate arm 400.
The manufacturing process of the planet carrier is complex, of high cost.Simultaneously as the planet carrier can only be in side installation axle
It holds, therefore, insufficient rigidity.
Invention content
In view of the state of the above-mentioned prior art and make the present invention.It is an object of the present invention to provide a kind of one into
The planet carrier of type and the planetary gear mechanism including the planet carrier.
A kind of planet carrier for being integrated with park tooth, the planet carrier are formed as single structure by casting, the planet carrier packet
Planetary gear mounting portion and parking teeth portion are included,
The planetary gear mounting portion includes the first side wall, second sidewall and connects the first side wall and the second sidewall
Peripheral wall, multiple planetary gear construction openings are formed in the peripheral wall,
The second sidewall extends beyond the peripheral wall towards radial outside and is formed with being stayed described in multiple park tooths
Skiving portion.
In at least one embodiment, the park tooth is formed in the outer peripheral edge of the parking teeth portion.
In at least one embodiment, the planet carrier further includes clutch shaft bearing mounting portion and second bearing mounting portion,
The clutch shaft bearing installation position is in the axial side of the planetary gear mounting portion, and the second bearing installation position is in the row
The axial opposite side of star-wheel mounting portion.
In at least one embodiment, described in inner peripheral direction of the clutch shaft bearing mounting portion from the first side wall
Axial side extension, the second bearing mounting portion extend from the inner peripheral of the second sidewall towards the axial opposite side.
In at least one embodiment, the clutch shaft bearing mounting portion is formed with for the outer of external installation clutch shaft bearing
Circumferential surface, the second bearing mounting portion are formed with for the inner peripheral surface of inscribed installation second bearing.
In at least one embodiment, the diameter of the clutch shaft bearing mounting portion is less than the second bearing mounting portion
Diameter.
In at least one embodiment, the axial length of the second bearing mounting portion is installed more than the clutch shaft bearing
The axial length in portion.
In at least one embodiment, the first bearing pin mounting hole is formed in the first side wall, described second
It is formed with the second bearing pin mounting hole being aligned with first bearing pin mounting hole in side wall, first bearing pin mounting hole and described
Second bearing pin mounting hole positions the axis pin of planetary gear for installing.
In at least one embodiment, the planetary gear construction opening is included described in the first opening portion and circumferential width ratio
The second wide opening portion of first opening portion.
The present invention also provides a kind of planetary gear mechanism, including：
The planet carrier according to the present invention for being integrated with park tooth；
It is installed on multiple planetary gears of the planetary gear mounting portion；
The sun gear engaged in the inner cavity of the planet carrier and with the multiple planetary gear；
The ring gear engaged with the multiple planetary gear.
In at least one embodiment, the planetary gear mechanism, which further includes, is welded on the second bearing mounting portion
The rotation output gear of peripheral surface.
The planet carrier of the present invention is formed as single structure by casting, and simple production process, process for machining is simple, into
This is low.Meanwhile planet carrier has the rigidity improved and good NVH performances.In addition, in the planet carrier of the present invention, pass through
Extend second sidewall and form parking teeth portion, in a simple manner with structure assembly parking function.
Description of the drawings
Fig. 1 is to show a kind of schematic diagram of existing planet carrier.
Fig. 2 is the stereogram for showing planet carrier according to embodiment of the present invention.
Fig. 3 is the axial, cross-sectional view for showing the planet carrier.
Reference sign
100 bearing blocks；The inner peripheral surface of 101 bearing blocks；200 first side plates；300 second side plates；400 arms；500 planetary gears are pacified
Fill space；W1, W2 welding position；
10 planet carriers；1 planetary gear mounting portion；11 the first side walls；The first bearing pin mounting holes of 11H；12 peripheral walls；12P planetary gears
Construction opening；The first opening portions of 12S；The second opening portions of 12W；13 second sidewalls；The second bearing pin mounting holes of 13H；2 parking teeth portion；
21 park tooths；3 second bearing mounting portions；The inner peripheral surface of 31 second bearing mounting portions；32 second boss；33 second bearing mounting portions
Peripheral surface；4 clutch shaft bearing mounting portions；The peripheral surface of 41 clutch shaft bearing mounting portions；42 first boss；
A is axial；R is radially；C is circumferential.
Specific embodiment
Exemplary embodiments of the present invention are described with reference to the accompanying drawings.It should be appreciated that these specific descriptions are only used for
How teaching those skilled in the art implement all feasible modes of the present invention rather than the exhaustive present invention, without in
It limits the scope of the invention.
As shown in Figures 2 and 3, the present invention provides a kind of single-piece planet carrier 10 for being integrated with park tooth.
The planet carrier 10 has hollow, generally rotational symmetry structure.A in Fig. 3 represents the axis of the planet carrier 10
The radial direction of the planet carrier 10 is represented to, R, and the C in Fig. 2 represents the circumferential direction of the planet carrier 10.Planet carrier 10 is installed including planetary gear
Portion 1, parking teeth portion 2, clutch shaft bearing mounting portion 4 and second bearing mounting portion 3.
Planetary gear mounting portion 1 includes：Radially R extends and the first side wall 11 that is separated from each other on axial A and the
Two side walls 13；And connect the first side wall 11 and the peripheral wall 12 of second sidewall 13.The first side wall 11 and second sidewall 13 are big each other
It causes parallel.Multiple (for example, three or four) planetary gear construction opening 12P that circumferentially C is separated are formed in peripheral wall 12.
The first bearing pin mounting hole 11H is formed in the first side wall 11, is formed in second sidewall 13 and the first bearing pin mounting hole 11H
Second bearing pin mounting hole 13H of alignment.First bearing pin mounting hole 11H and the second bearing pin mounting hole 13H positions planet for installing
The axis pin of wheel.
In a nonrestrictive example, planetary gear construction opening 12P is included in first of the narrower width on circumferential C
The second opening portion 12W of opening portion 12S and the wider width on circumferential C.The structure of planetary gear construction opening 12P is suitable for
Composite planetary wheel, certainly, the present invention is not limited thereto.The axially distinct position of planetary gear construction opening 12P can have substantially
Equal circumferential width.
Second sidewall 13 extends beyond peripheral wall 12 towards radial outside and forms parking teeth portion 2.It is unrestricted at one
In example, multiple teeth 21 of driving for being engaged with structures such as pawl (not shown) are formed in the outer peripheral edge of parking teeth portion 2.Parking
The axial width of teeth portion 2 can be less than the axial width of second sidewall 13, this is demoulded after being convenient for casting.
From the inner peripheral of the first side wall 11 towards axial side, (the first side wall 11 is equipped with peripheral wall to clutch shaft bearing mounting portion 4
The opposite side of 12 that side) extension.Clutch shaft bearing mounting portion 4 is ring-type, can be pacified in the peripheral surface 41 of clutch shaft bearing mounting portion 4
Fill clutch shaft bearing (not shown).It can be in axially inner side (11 institute of the first side wall of the axle bearing mount portion position of clutch shaft bearing mounting portion 4
In side) setting is for the first boss 42 that is positioned to clutch shaft bearing.The clutch shaft bearing can be installed to including the planet carrier
The housing (not shown) of 10 planetary gear mechanism.
(being equipped with for second sidewall 13 is all from the inner peripheral of second sidewall 13 towards axial opposite side for second bearing mounting portion 3
The opposite side of that side of wall 12) extension.The diameter of second bearing mounting portion 3 can be more than the diameter of clutch shaft bearing mounting portion 4, and
Less than the diameter of peripheral wall 12.More particularly, the outer diameter of clutch shaft bearing mounting portion 4 is less than the internal diameter of second bearing mounting portion 3.Second
Axle bearing mount portion 3 is ring-type, can install second bearing (not shown) in the inner peripheral surface 31 of second bearing mounting portion 3.It can be
The axle bearing mount portion position of the inner peripheral surface 31 axially inner side (close to second sidewall 13 that side) setting for second bearing into
The second boss 32 of row positioning.The second bearing can be installed to the housing of the planetary gear mechanism including the planet carrier 10.
The axial length of second bearing mounting portion 3 is preferably greater than the axial length of clutch shaft bearing mounting portion 4.It can be second
The peripheral surface 33 of axle bearing mount portion 3 is by the means installation rotation output gear (not shown) such as welding, for by planet carrier 10
Rotation passes.
With reference to Fig. 2 and Fig. 3 it is found that planet carrier 10 is one piece design.Planet carrier 10 can pass through the metal of such as steel
It casts and machines and be made.First, entire planet carrier 10 is cast out, it is then possible to bearing pin mounting hole 11H, 13H, first
Axle bearing mount portion 4 for install the peripheral surface 41 of clutch shaft bearing and second bearing mounting portion 3 for installing second bearing
31 grade positions of inner peripheral surface are machined out.
The present invention also provides a kind of planetary gear mechanisms for including the planet carrier 10.The planetary gear mechanism includes being mounted on
Sun gear in the inner cavity of planet carrier 10, be installed in the planetary gear construction opening P of planet carrier 10 engaged with sun gear it is more
A planetary gear, the ring gear engaged with multiple planetary gear.Power can be inputted from sun gear, be exported from planet carrier.
Planet carrier 10 and planetary gear mechanism including the planet carrier 10 of the present invention can with but be not limited to use in vehicle
Transmission device.
The function and effect of the planet carrier 10 of the present invention are briefly described below.
The planet carrier 10 of the present invention is formed as single structure by casting, and simple production process, process for machining is simple,
It is at low cost.Meanwhile planet carrier 10 has the rigidity improved and good NVH performances.
In the planet carrier 10 of the present invention, parking teeth portion 2 is formd by extending second sidewall 13, with simple side
Formula and structure assembly parking function.
There are two axle bearing mount portions for the tool of planet carrier 10 of the present invention, bearing can be installed in axial both sides, so as to improve
Support stiffness has good NVH performances.
The planet carrier 10 of the present invention is compact-sized, and function is complete, can be adapted for complicated planet gear transmission system, suitable for modularization
Design and assembling.
It should be appreciated that the above embodiment is only exemplary, it is not used in the limitation present invention.Those skilled in the art can be with
Various modifications and changes are made to the above embodiment under the teachings of the present invention, without departing from the scope of the present invention.
Claims (11)
1. a kind of planet carrier for being integrated with park tooth, which is formed as single structure by casting, which includes
Planetary gear mounting portion and parking teeth portion,
The planetary gear mounting portion includes the first side wall, second sidewall and the week for connecting the first side wall and the second sidewall
Wall is formed with multiple planetary gear construction openings in the peripheral wall,
The second sidewall extends beyond the peripheral wall towards radial outside and forms the park tooth with multiple park tooths
Portion.
2. the planet carrier according to claim 1 for being integrated with park tooth, which is characterized in that the park tooth is formed in described
The outer peripheral edge of parking teeth portion.
3. the planet carrier according to claim 1 or 2 for being integrated with park tooth, which is characterized in that the planet carrier further includes
Clutch shaft bearing mounting portion and second bearing mounting portion, the clutch shaft bearing installation position is in axial the one of the planetary gear mounting portion
Side, the second bearing installation position is in the axial opposite side of the planetary gear mounting portion.
4. the planet carrier according to claim 3 for being integrated with park tooth, which is characterized in that the clutch shaft bearing mounting portion from
The inner peripheral of the first side wall extends towards the axial side, and the second bearing mounting portion is out of described second sidewall
Periphery extends towards the axial opposite side.
5. the planet carrier according to claim 3 for being integrated with park tooth, which is characterized in that the clutch shaft bearing mounting portion shape
Into the peripheral surface for being useful for external installation clutch shaft bearing, the second bearing mounting portion is formed with for inscribed installation second bearing
Inner peripheral surface.
6. the planet carrier according to claim 5 for being integrated with park tooth, which is characterized in that the clutch shaft bearing mounting portion
Diameter is less than the diameter of the second bearing mounting portion.
7. the planet carrier according to claim 3 for being integrated with park tooth, which is characterized in that the second bearing mounting portion
Axial length is more than the axial length of the clutch shaft bearing mounting portion.
8. the planet carrier according to claim 1 for being integrated with park tooth, which is characterized in that formed in the first side wall
There is the first bearing pin mounting hole, the second axis pin installation being aligned with first bearing pin mounting hole is formed in the second sidewall
Hole, first bearing pin mounting hole and second bearing pin mounting hole position the axis pin of planetary gear for installing.
9. the planet carrier according to claim 1 for being integrated with park tooth, which is characterized in that the planetary gear construction opening packet
Include the second wide opening portion of the first opening portion described in the first opening portion and circumferential width ratio.
10. a kind of planetary gear mechanism, which is characterized in that the planetary gear mechanism includes：
The planet carrier according to any one of claim 1 to 9 for being integrated with park tooth；
It is installed on multiple planetary gears of the planetary gear mounting portion；
The sun gear engaged in the inner cavity of the planet carrier and with the multiple planetary gear；
The ring gear engaged with the multiple planetary gear.
11. planetary gear mechanism according to claim 10, which is characterized in that the planetary gear mechanism further includes welding
In the rotation output gear of the peripheral surface of the second bearing mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329985.2A CN108167424A (en) | 2017-12-13 | 2017-12-13 | It is integrated with the planet carrier and planetary gear mechanism of park tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711329985.2A CN108167424A (en) | 2017-12-13 | 2017-12-13 | It is integrated with the planet carrier and planetary gear mechanism of park tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108167424A true CN108167424A (en) | 2018-06-15 |
Family
ID=62525806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711329985.2A Pending CN108167424A (en) | 2017-12-13 | 2017-12-13 | It is integrated with the planet carrier and planetary gear mechanism of park tooth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108167424A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623111A (en) * | 2019-02-27 | 2020-09-04 | 舍弗勒技术股份两合公司 | Planet carrier |
| US10955045B2 (en) | 2018-12-14 | 2021-03-23 | Rolls-Royce Plc | Planet carrier and method of assembling of a planet carrier |
-
2017
- 2017-12-13 CN CN201711329985.2A patent/CN108167424A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10955045B2 (en) | 2018-12-14 | 2021-03-23 | Rolls-Royce Plc | Planet carrier and method of assembling of a planet carrier |
| CN111623111A (en) * | 2019-02-27 | 2020-09-04 | 舍弗勒技术股份两合公司 | Planet carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180615 |
|
| WD01 | Invention patent application deemed withdrawn after publication |