CN104500713B - A kind of planet row lubricant passage way of gearbox - Google Patents
A kind of planet row lubricant passage way of gearbox Download PDFInfo
- Publication number
- CN104500713B CN104500713B CN201410682471.5A CN201410682471A CN104500713B CN 104500713 B CN104500713 B CN 104500713B CN 201410682471 A CN201410682471 A CN 201410682471A CN 104500713 B CN104500713 B CN 104500713B
- Authority
- CN
- China
- Prior art keywords
- gearbox
- hole
- oil
- sun gear
- planet row
- 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.)
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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
- F16H57/04—Features relating to lubrication or cooling or heating
-
- 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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
- F16H2700/02—Transmissions, specially for working vehicles
Abstract
This application discloses a kind of planet row lubricant passage way of gearbox, it includes：It is arranged in the gear of the gearbox on hub, is connected with the export oil supplying hole of the gearbox, allows lubricating oil to flow to the intercommunicating pore of planetary gear and gear ring installation position；On the sun gear that the gearbox is set, the sun gear oil supplying hole connected with the oil guide pipe of the gearbox；On the planet carrier for being opened in the gearbox, connected with the sun gear oil supplying hole, lubricating oil is guided to the oil guiding hole of the planet carrier installation position.The planet row lubricant passage way for the gearbox that the present invention is provided, new fuel supply path is additionally arranged for planet row, make oil supplying hole of the planet row no longer by power input shaft, make what lubricating oil can be more sufficient to flow in planet row, planet row is more fully lubricated.
Description
Technical field
The present invention relates to technical field of a vehicle accessory, more specifically to a kind of planet row lubricant passage way of gearbox.
Background technology
Gearbox is the indispensable part of normal vehicle operation, and gearbox operationally needs lubricating oil to gearbox
In multiple parts be lubricated, therefore need to set a plurality of lubricant passage way on gearbox, such as on the valve plate of gearbox, set
Have connection gearbox oil pump delivery outlet 01 and the importing oil supplying hole 03 of hydraulic moment variator control valve 02, and by lubricating oil from
Exported in hydraulic moment variator control valve 02, and the export oil supplying hole 04 delivered in the housing of gearbox, (scheme as depicted in figs. 1 and 2
What middle dotted arrow was indicated is the flow path of lubricating oil).
In gearbox, power input shaft and planet row are exactly to need two in multiple parts for lubricating, in prior art
In, the lubricating system of power input shaft and planet row is got on the housing of gearbox exclusively for power input shaft fuel feeding
Through hole (is subsequently referred to as oil supplying hole), using the circulation path as lubricating oil, lubricating oil is lubricated power input shaft, power input
After axle lubrication is completed, lubricating oil flow to the installation position of planet row by the gap between part again, so that real to planet row
Now lubricate, that is to say, that the lubrication of planet row is realized by the oil supplying hole of power input shaft.But, due to such a lubrication side
Formula is not that planet row DFF Direct Fuel Feed is lubricated, and is occurred so often causing planet row to lubricate insufficient situation.
Therefore, the lubrication to planet row how is more fully realized, is that current those skilled in the art are urgently to be resolved hurrily
Problem.
The content of the invention
In view of this, the invention provides a kind of planet row lubricant passage way of gearbox, it can more fully be realized
To the lubrication of planet row.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of planet row lubricant passage way of gearbox, it includes：
It is arranged in the gear of the gearbox on hub, is connected with the export oil supplying hole of the gearbox, allows lubrication
Oil flow to the intercommunicating pore of planetary gear and gear ring installation position；
On the sun gear that the gearbox is set, the sun gear oil supplying hole connected with the oil guide pipe of the gearbox；
On the planet carrier for being opened in the gearbox, connected with the sun gear oil supplying hole, lubricating oil is guided to institute
State the oil guiding hole of planet carrier installation position.
It is preferred that, in the planet row lubricant passage way of the gearbox of above-mentioned offer, the spiral shell of the intercommunicating pore and the gearbox
Bolt throughhole is connected, and the valve plate oil supplying hole is realized with the intercommunicating pore by the bolt hole and connected.
It is preferred that, in the planet row lubricant passage way of the gearbox of above-mentioned offer, the sun gear oil supplying hole be along it is described too
The radially oil supplying hole for extending radially through its centre hole side wall of sun wheel.
It is preferred that, in the planet row lubricant passage way of the gearbox of above-mentioned offer, the sun gear oil supplying hole is arranged on described
The upward middle part of sun gear centre hole axis.
It is preferred that, in the planet row lubricant passage way of the gearbox of above-mentioned offer, the oil guiding hole be own axes with it is described
The vertical axis of sun gear oil supplying hole has the angling hole of angle.
In the planet row lubricant passage way for the gearbox that the present invention is provided, new fuel supply path is additionally arranged wherein, i.e., in tooth
Intercommunicating pore is provided with hub in wheel, is provided with sun gear in sun gear oil supplying hole, planet carrier and is provided with oil guiding hole.Lubrication
Oil is flow in intercommunicating pore and oil guide pipe, so as to make lubricating oil flow to planetary gear through intercommunicating pore respectively after export oil supplying hole outflow
With the installation position of gear ring, the installation position of sun gear and planet carrier is flow to through oil guide pipe, so that direct and sufficiently realization pair
The lubrication of whole planet row.The planet row lubricant passage way for the gearbox that the present invention is provided, new fuel feeding is additionally arranged for planet row
Path, makes oil supplying hole of the planet row no longer by power input shaft, makes what lubricating oil can be more sufficient to flow in planet row, makes
Planet row is more fully lubricated.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
The structural representation of the valve plate for the gearbox that Fig. 1 provides for prior art；
Fig. 2 is the structural representation of the oil pump of gearbox；
Fig. 3 is the structural representation of the planet row lubricant passage way of gearbox provided in an embodiment of the present invention.
In figure 1 above-Fig. 3：
Delivery outlet 01, hydraulic moment variator control valve 02, importing oil supplying hole 03, export oil supplying hole 04；
Oil guiding hole 1, intercommunicating pore 2, sun gear oil supplying hole 3, oil guide pipe 4, bolt hole 5.
Embodiment
The invention provides a kind of planet row lubricant passage way of gearbox, it can be more fully realized to planet row
Lubrication.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 3, the planet row lubricant passage way of gearbox provided in an embodiment of the present invention, it includes：
It is arranged in the gear of gearbox on hub, is connected with the export oil supplying hole of gearbox, to allow lubricating oil to flow to row
Star-wheel and the intercommunicating pore of gear ring installation position 2；
On the sun gear that gearbox is set, the sun gear oil supplying hole 3 connected with the oil guide pipe 4 of gearbox；
It is opened on the planet carrier of gearbox, is connected with sun gear oil supplying hole 3, lubricating oil is guided into planet carrier installs
The oil guiding hole 1 at position.
The present embodiment provide gearbox planet row lubricant passage way in, be additionally arranged wherein new fuel supply path (Fig. 3's
Shown in dotted arrow), i.e., intercommunicating pore 2 is provided with gear on hub, sun gear oil supplying hole 3 is provided with sun gear, in planet
Oil guiding hole 1 is provided with frame.After lubricating oil flows out from export oil supplying hole, it flow to respectively in intercommunicating pore 2 and oil guide pipe 4, so that
Make lubricating oil flow to the installation position of planetary gear and gear ring through intercommunicating pore 2, the installation of sun gear and planet carrier is flow to through oil guide pipe 4
Position, so that the direct and sufficient lubrication realized to whole planet row.
The planet row lubricant passage way for the gearbox that the present embodiment is provided, new fuel supply path is additionally arranged for planet row, is made
Planet row makes what lubricating oil can be more sufficient to flow in planet row, makes planet row no longer by the oil supplying hole of power input shaft
More fully lubricated.
As shown in figure 3, intercommunicating pore 2 connects (as shown in arrow 1-1 in Fig. 3), valve plate fuel feeding with the bolt hole 5 of gearbox
Hole is connected by bolt by being realized with the intercommunicating pore 2.Specifically, valve plate oil supplying hole is connected by the original oil supplying hole of housing
To bolt hole 5, the end of bolt hole 5 extends to connecting seat (connecting seat is the part of carrying bolt) between sun gear
Gap location, lubricating oil passes sequentially through valve plate oil supplying hole, on housing after original oil supplying hole and bolt hole 5, flow to connecting seat
In gap between sun gear, now lubricating oil can be lubricated to sun gear, and lubricating oil is again by being arranged on tooth afterwards
Planet is flow in intercommunicating pore 2 (as shown in arrow 1-2 in Fig. 3) in wheel on hub, the gap between miscellaneous part in reduction box
The installation position of wheel and gear ring, is lubricated to planetary gear and gear ring.
Specifically, as shown in figure 3, sun gear oil supplying hole 3 is to extend radially through its centre hole side wall along the sun gear
Radially oil supplying hole.Because sun gear centre bore is connected with oil guide pipe 4, radial direction insertion side wall, it becomes possible to make lubricating oil from leading
In oil pipe 4 position needed is flowed to through side wall.
Specifically, sun gear oil supplying hole 3 is arranged on the upward middle part of sun gear centre hole axis, and then make lubricating oil energy
It is enough to be entered through sun gear centre bore in oil guiding hole 1, it is lubricated (such as arrow 1-3 institutes in Fig. 3 so as to flow at planet carrier
Show).And the lubricating oil of sun gear center bore end is flow to, can be by the gap between another oil supplying hole and transmission internal part
The installation position (as shown in arrow 1-4 in Fig. 3) of sun gear and planetary gear is flowed to, sun gear and planetary gear are lubricated.
In the present embodiment, oil guiding hole 1 has the inclination of angle for the vertical axis of own axes and sun gear oil supplying hole 3
Hole.As shown in figure 3, oil guiding hole 1 uses such a set-up mode, it is on the premise of the job requirement of lubrication planet carrier is met, to be
The structure of gearbox is adapted to, to avoid a kind of preferred arrangement that other parts are impacted and selected, and such a is set
Put mode difficulty of processing smaller, it is easy to accomplish.
Specifically, lubricating oil enters from oil pump input port, then come out from oil pump delivery outlet, by the original circulation of housing
Path, enters importing oil supplying hole, and from importing oil supplying hole enters hydraulic moment variator control valve, then by controlling hydraulic pressure to become
The keying of square device control valve, make lubricating oil entered after hydraulic moment variator control valve export oil supplying hole in, then from export fuel feeding
Enter the original circulation path of housing in hole, now lubricating oil is divided into both direction flowing, the lubricating oil in one of direction according to
It is secondary to flow through bolt hole 5 and intercommunicating pore 2, the installation position of planetary gear and gear ring is reached, planetary gear and gear ring are lubricated.Separately
Lubricating oil is entered in oil guide pipe 4 by original circulation path on housing all the way, and a part of lubricating oil in oil guide pipe 4 enters
Enter to sun gear oil supplying hole 3, and then enter in oil guiding hole 1, flow to the installation position of planet carrier, planet carrier is realized and lubricated；
The lubricating oil of another part continues to flow in oil guide pipe 4 in oil guide pipe 4, until the end of oil guide pipe 4, passes through another oil supplying hole
Gap between part, flows to the installation position of sun gear and planetary gear, to realize lubrication to it.So provided by oil pump
Lubricating oil pass through hydraulic moment variator control valve, and by opening up through hole on hub, sun gear and planet carrier in gear, make whole
Planet row has special fuel supply path, makes it obtain sufficient lubrication.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (4)
1. a kind of planet row lubricant passage way of gearbox, it is characterised in that including：
It is arranged in the gear of the gearbox on hub, is connected with the export oil supplying hole of the gearbox, allows lubricating oil stream
To planetary gear and the intercommunicating pore of gear ring installation position, the intercommunicating pore is connected with the bolt hole of the gearbox, valve plate fuel feeding
Hole is realized with the intercommunicating pore by the bolt hole and connected, so that lubricating oil passes through the valve plate oil supplying hole and the bolt
Through hole is flow in the intercommunicating pore；
On the sun gear that the gearbox is set, the sun gear oil supplying hole connected with the oil guide pipe of the gearbox；
On the planet carrier for being opened in the gearbox, connected with the sun gear oil supplying hole, lubricating oil is guided to the row
The oil guiding hole of carrier installation position.
2. the planet row lubricant passage way of gearbox according to claim 1, it is characterised in that the sun gear oil supplying hole is
Along the radially oil supplying hole for extending radially through its centre hole side wall of the sun gear.
3. the planet row lubricant passage way of gearbox according to claim 2, it is characterised in that the sun gear oil supplying hole is set
Put in the upward middle part of the sun gear centre hole axis.
4. the planet row lubricant passage way of gearbox according to claim 3, it is characterised in that the oil guiding hole is itself axle
The vertical axis of line and the sun gear oil supplying hole has the angling hole of angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682471.5A CN104500713B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricant passage way of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682471.5A CN104500713B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricant passage way of gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500713A CN104500713A (en) | 2015-04-08 |
| CN104500713B true CN104500713B (en) | 2017-09-01 |
Family
ID=52942145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410682471.5A Active CN104500713B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricant passage way of gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN104500713B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100692153B1 (en) * | 2005-11-11 | 2007-03-12 | 현대자동차주식회사 | A planetary gear set for automatic transmission |
| JP4730408B2 (en) * | 2008-07-18 | 2011-07-20 | マツダ株式会社 | Automatic transmission |
| US8353797B2 (en) * | 2010-07-29 | 2013-01-15 | GM Global Technology Operations LLC | Lubrication system for a planetary gear set |
| US8425361B1 (en) * | 2012-01-18 | 2013-04-23 | GM Global Technology Operations LLC | Lubrication system for a planetary gear set |
| CN102644724A (en) * | 2012-04-12 | 2012-08-22 | 盛瑞传动股份有限公司 | Planet row and assembly process thereof |
-
2014
- 2014-11-24 CN CN201410682471.5A patent/CN104500713B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104500713A (en) | 2015-04-08 |
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