CN205841717U - Pinion frame - Google Patents
Pinion frame Download PDFInfo
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- CN205841717U CN205841717U CN201620769415.XU CN201620769415U CN205841717U CN 205841717 U CN205841717 U CN 205841717U CN 201620769415 U CN201620769415 U CN 201620769415U CN 205841717 U CN205841717 U CN 205841717U
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- axle journal
- disc
- mounting cylinder
- pinion frame
- groups
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Abstract
The utility model discloses a kind of pinion frame, including disc and two groups for installing the axle journal group of planetary gear, two groups of axle journal groups are correspondingly arranged on two relative installed surfaces of disc respectively.Each axle journal group includes multiple axle journal, and the multiple axle journal one_to_one corresponding in two groups of axle journal groups are arranged.Pinion frame of the present utility model, when being equiped with planetary gear on each axle journal, the bearing load that axle journal bears is symmetrical with disc for the plane of symmetry, thus effectively suppress the flexural deformation of axle journal, so not only can effectively alleviate the weight of pinion frame, and make the engaging pressure of gear uniformly, effectively prevent flank of tooth impression, the generation of the engagement problem such as exciting, crushing strength；And owing to disc is no longer necessary to suppress the flexural deformation of axle journal, thus the stress of axle journal and disc junction be can effectively reduce, strength margin and the service life of pinion frame improved.
Description
Technical field
This utility model relates to planetary transmission system field, especially, relating to a kind of pinion frame.
Background technology
The structure of existing planet carrier is as shown in accompanying drawing Fig. 1, due to the single distribution of planetary gear, so support planetary gears
Axle journal is positioned at the side of disc 1, and the load that planet carrier bears is mainly planetary bearing load, and the direction of load is spoke
Plate circumference is tangential.
The side of planet carrier disc it is distributed in, after planet carrier stand under load, for resisting the bending of axle journal owing to planetary gear is single
Deformation, the thickness of disc is the thickest, so that the weight of planet carrier is big；Even if the thickness increasing disc also is difficult to substantially carry
The bending stiffness of high axle journal, causes axle journal flexural deformation, axle journal flexural deformation to make the engaging pressure of gear uneven, and then produces
Population face impression, the engagement problem such as exciting, crushing strength；The flexural deformation of axle journal is inhibited to a certain extent due to disc,
Thus axle journal and disc junction can exist bigger bending stress, this causes the strength margin degree of planet carrier low, carries in fatigue
Under lotus effect, axle journal and disc junction are fatigue strength weak area.
Utility model content
This utility model provides a kind of pinion frame, and to solve, the weight of existing planet carrier existence is big, axle journal is easy
Flexural deformation, the technical problem that strength margin is low and service life is short.
The technical solution adopted in the utility model is as follows:
A kind of pinion frame, including disc and two groups for installing the axle journal group of planetary gear, two groups of axle journal groups are the most right
Should be arranged on two relative installed surfaces of disc；Each axle journal group includes multiple axle journal, the multiple axle journals in two groups of axle journal groups
One_to_one corresponding is arranged.
Further, axle journal is hollow tubular structure, and is interconnected between the axle journal being correspondingly arranged in two groups of axle journal groups.
Further, axle journal vertical mounting surface is arranged, and axle journal is one-body molded with disc.
Further, the multiple axle journals in each axle journal group are arranged along the circumferential uniform intervals of disc.
Further, the center of disc is machined with installing hole, and between arbitrary installed surface and the installing hole of disc, indent is formed
The mounting cylinder of toroidal cavity；The beam barrel for installing power input shaft or power output shaft, one end of beam barrel it is provided with at installing hole
Being connected with the bottom of mounting cylinder, the other end of beam barrel extends outside the installed surface offering installing hole；Between mounting cylinder and beam barrel
Spacing constitute for installing the installation cavity of sun gear.
Further, the perisporium of mounting cylinder is provided with multiple through hole, logical to pass when sun gear is installed in installation cavity
Hole is to engage with the planetary gear being positioned at disc both sides simultaneously.
Further, disc include mounting cylinder and polylith for installing the installing plate of axle journal, polylith installing plate is along mounting cylinder
Circumferentially-spaced layout and along remotely mounted cylinder center direction protrude；It is respectively provided with axle journal on two relative faces of installing plate；
It is provided with through hole with installing plate corresponding position on mounting cylinder.
Further, the quantity of installing plate is three pieces, and three pieces of installing plates are arranged along the circumferential uniform intervals of mounting cylinder.
Further, mounting cylinder is hollow cone mesa-shaped, and the necking end of mounting cylinder is away from disc, the end of beam barrel and installation
The necking end of cylinder is connected, and towards the flared end extension of mounting cylinder.
Further, beam barrel is one-body molded with mounting cylinder.
This utility model has the advantages that
Pinion frame of the present utility model, owing to two groups of axle journal groups are correspondingly arranged in two relative peaces of disc respectively
On dress face, and the multiple axle journal one_to_one corresponding in two groups of axle journal groups are arranged, therefore when being equiped with planetary gear on each axle journal, axle journal holds
The bearing load being subject to is symmetrical with disc for the plane of symmetry, thus effectively suppresses the flexural deformation of axle journal, so not only can be effective
Alleviate the weight of pinion frame, and make the engaging pressure of gear uniformly, effectively prevent flank of tooth impression, engagement exciting, extruding by force
The generation of the problems such as degree；And owing to disc is no longer necessary to suppress the flexural deformation of axle journal, thus can effectively reduce axle journal and spoke
The stress of plate junction, improves strength margin and the service life of pinion frame.
In addition to objects, features and advantages described above, this utility model also has other purpose, feature and excellent
Point.Below with reference to figure, this utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.At accompanying drawing
In:
Fig. 1 is the space structure schematic diagram of existing planet carrier；
Fig. 2 is the space structure schematic diagram of the pinion frame of this utility model preferred embodiment；
Fig. 3 is the plan structure schematic diagram of Fig. 2；
Fig. 4 is that the B-B of Fig. 3 is to sectional structure schematic diagram.
Marginal data
1, disc；10, disc；101, installed surface；102, installing hole；103, through hole；11, mounting cylinder；12, installing plate；20、
Axle journal；30, beam barrel；40, installation cavity.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be by right
Require that the multitude of different ways limiting and covering is implemented.
With reference to Fig. 2 and Fig. 3, preferred embodiment of the present utility model provides a kind of pinion frame, including disc 10 He
Two groups of axle journal groups being used for installing planetary gear, two groups of axle journal groups are correspondingly arranged in two relative installed surfaces of disc 10 respectively
On 101.Each axle journal group includes multiple axle journal 20, and multiple axle journals 20 one_to_one corresponding in two groups of axle journal groups is arranged.This utility model
Pinion frame, owing to two groups of axle journal groups are correspondingly arranged on two relative installed surfaces 101 of disc 10 respectively, and two groups
Multiple axle journals 20 one_to_one corresponding in axle journal group is arranged, therefore when being equiped with planetary gear on each axle journal 20, the bearing that axle journal bears
Load is symmetrical for the plane of symmetry with disc 10, thus effectively suppresses the flexural deformation of axle journal, so not only can effectively alleviate row
The weight of gear rack, and make the engaging pressure of gear uniformly, effectively prevent flank of tooth impression, engagement exciting, crushing strength etc. from asking
The generation of topic；And owing to disc 10 is no longer necessary to suppress the flexural deformation of axle journal 20, thus can effectively reduce axle journal 20 and spoke
The stress of plate 10 junction, improves strength margin and the service life of pinion frame.
Alternatively, as shown in Figure 4, axle journal 20 is in hollow tubular structure, and the axle journal 20 being correspondingly arranged in two groups of axle journal groups
Between be interconnected.It is interconnected due between the axle journal 20 that is correspondingly arranged in two groups of axle journal groups, so peace can be easy in axle journal 20
Dress bearing and planetary gear.
Preferably, as shown in Figure 3 and Figure 4, axle journal 20 vertical mounting surface 101 is arranged, and axle journal 20 becomes with disc 10 one
Type.Owing to axle journal 20 is one-body molded with disc 10, so the stress of axle journal 20 and disc 10 junction can effectively be reduced, improve axle
The ability of the counter-bending deformation of neck 20.
Preferably, as it is shown on figure 3, multiple axle journals 20 in each axle journal group are arranged along the circumferential uniform intervals of disc 10.
In this utility model, as shown in Figure 2 and Figure 4, the center of disc 10 is machined with installing hole 102, disc 10 arbitrary
Between installed surface 101 and installing hole 102, concave shaped circularizes the mounting cylinder 11 of cavity.It is provided with for installing dynamic at installing hole 102
The beam barrel 30 of power power shaft or power output shaft, one end of beam barrel 30 is connected with the bottom of mounting cylinder 11, the other end of beam barrel 30
Extend and offer outside the installed surface 101 of installing hole 102.Spacing composition between mounting cylinder 11 and beam barrel 30 is used for installing the sun
The installation cavity 40 of wheel.
Alternatively, as shown in Figure 2 and Figure 4, for make the sun gear that is installed in installation cavity 40 simultaneously with disc 10 both sides
Planetary gear engages, and in the present embodiment, arranges multiple through hole 103 on the perisporium of mounting cylinder 11, to be installed in peace when sun gear
Through through hole 103 to engage with the planetary gear being positioned at disc 10 both sides simultaneously when behaveing affectedly in 40.On the perisporium of mounting cylinder 11
Through hole 103 is set and also can effectively alleviate the weight of pinion frame.
In the present embodiment, as in figure 2 it is shown, disc 10 includes that mounting cylinder 11 and polylith are for installing the installing plate of axle journal 20
12, the polylith installing plate 12 circumferentially-spaced layout along mounting cylinder 11 and the direction along remotely mounted cylinder 11 center are protruded.Installing plate
It is respectively provided with axle journal 20 on two relative faces of 12.It is provided with through hole 103 with installing plate 12 corresponding position on mounting cylinder 11.
In this preferred embodiment, as in figure 2 it is shown, disc 10 includes mounting cylinder 11 and three pieces of circumferences along mounting cylinder 11 uniformly
Spaced installing plate 12, two faces being oppositely arranged of each installing plate 12 are respectively provided with an axle journal 20.
In this preferred embodiment, as shown in Figure 4, mounting cylinder 11 in hollow cone mesa-shaped, the necking end of mounting cylinder 11 away from
Disc 10, the end of beam barrel 30 is connected with the necking end of mounting cylinder 11, and towards the flared end extension of mounting cylinder 11.
Preferably, as shown in Figure 4, beam barrel 30 is one-body molded with mounting cylinder 11.Owing to beam barrel 30 becomes with mounting cylinder 11 one
Type, therefore the bonding strength between beam barrel 30 and mounting cylinder 11 can be effectively increased, and make pinion frame Stability Analysis of Structures.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a pinion frame, it is characterised in that
Being used for installing the axle journal group of planetary gear including disc (10) and two groups, axle journal group described in two groups is correspondingly arranged in described respectively
On two relative installed surfaces (101) of disc (10)；
Each described axle journal group includes multiple axle journal (20), and multiple described axle journal (20) one_to_one corresponding in axle journal group described in two groups sets
Put.
Pinion frame the most according to claim 1, it is characterised in that
Described axle journal (20) is in mutual between the described axle journal (20) being correspondingly arranged in hollow tubular structure, and axle journal group described in two groups
Connection.
Pinion frame the most according to claim 2, it is characterised in that
The vertical described installed surface of described axle journal (20) (101) is arranged, and described axle journal (20) is one-body molded with described disc (10).
Pinion frame the most according to claim 1, it is characterised in that
Multiple described axle journal (20) in each described axle journal group is arranged along the circumferential uniform intervals of described disc (10).
Pinion frame the most according to claim 1, it is characterised in that
The center of described disc (10) is machined with installing hole (102), arbitrary installed surface (101) of described disc (10) and described peace
Between dress hole (102), concave shaped circularizes the mounting cylinder (11) of cavity；
Described installing hole (102) place is provided with the beam barrel (30) for installing power input shaft or power output shaft, described beam barrel
(30) one end is connected with the bottom of described mounting cylinder (11), and the other end of described beam barrel (30) extends offers described installing hole
(102) outside installed surface (101)；
Spacing between described mounting cylinder (11) and described beam barrel (30) constitutes the installation cavity (40) for installing sun gear.
Pinion frame the most according to claim 5, it is characterised in that
The perisporium of described mounting cylinder (11) is provided with multiple through hole (103), to be installed in described installation cavity when described sun gear
(40) through described through hole (103) to engage with the planetary gear being positioned at described disc (10) both sides simultaneously time interior.
Pinion frame the most according to claim 6, it is characterised in that
Described disc (10) includes that described mounting cylinder (11) and polylith are used for installing the installing plate (12) of described axle journal (20), polylith
Described installing plate (12) is along the circumferentially-spaced layout of described mounting cylinder (11) and along the direction away from described mounting cylinder (11) center
Protrude；
It is respectively provided with described axle journal (20) on two relative faces of described installing plate (12)；
Described mounting cylinder (11) is upper is provided with described through hole (103) with described installing plate (12) corresponding position.
Pinion frame the most according to claim 7, it is characterised in that
The quantity of described installing plate (12) is three pieces, three pieces of described installing plates (12) along described mounting cylinder (11) circumference uniformly between
Every layout.
Pinion frame the most according to claim 5, it is characterised in that
Described mounting cylinder (11) is in hollow cone mesa-shaped, and the necking end of described mounting cylinder (11) is away from described disc (10), described
The end of beam barrel (30) is connected with the necking end of described mounting cylinder (11), and towards the flared end extension of described mounting cylinder (11).
Pinion frame the most according to claim 5, it is characterised in that
Described beam barrel (30) is one-body molded with described mounting cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769415.XU CN205841717U (en) | 2016-07-21 | 2016-07-21 | Pinion frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620769415.XU CN205841717U (en) | 2016-07-21 | 2016-07-21 | Pinion frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841717U true CN205841717U (en) | 2016-12-28 |
Family
ID=57624841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620769415.XU Active CN205841717U (en) | 2016-07-21 | 2016-07-21 | Pinion frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841717U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222624A1 (en) * | 2021-04-21 | 2022-10-27 | 采埃孚(天津)风电有限公司 | Planetary carrier and gear box |
-
2016
- 2016-07-21 CN CN201620769415.XU patent/CN205841717U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222624A1 (en) * | 2021-04-21 | 2022-10-27 | 采埃孚(天津)风电有限公司 | Planetary carrier and gear box |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |