CN104358859B - A kind of planet row lubricating system of gearbox - Google Patents
A kind of planet row lubricating system of gearbox Download PDFInfo
- Publication number
- CN104358859B CN104358859B CN201410682472.XA CN201410682472A CN104358859B CN 104358859 B CN104358859 B CN 104358859B CN 201410682472 A CN201410682472 A CN 201410682472A CN 104358859 B CN104358859 B CN 104358859B
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- CN
- China
- Prior art keywords
- oil
- gearbox
- hole
- supplying hole
- oil supplying
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- 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
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0445—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control for supply of different gearbox casings or sections
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- 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
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
-
- 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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
-
- 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 lubricating system of gearbox, it includes：It is arranged on the valve plate of gearbox, connects the valve plate oil supplying hole of the oil pump of the gearbox, the valve plate oil supplying hole is connected with the oil guide pipe being arranged in the gearbox；In the gear of the gearbox on hub, it is provided with and is connected with the valve plate oil supplying hole, allows lubricating oil to flow to the intercommunicating pore of planetary gear and gear ring installation position；On the sun gear of the gearbox, the sun gear oil supplying hole for connecting the oil guide pipe is provided with；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 lubricating system 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 lubricating system 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.
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 lubricating system 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 lubricating system of gearbox, it includes：
It is arranged on the valve plate of gearbox, connects the valve plate oil supplying hole of the oil pump of the gearbox, the valve plate oil supplying hole
Connected with the oil guide pipe being arranged in the gearbox；
In the gear of the gearbox on hub, it is provided with and is connected with the valve plate oil supplying hole, to allow lubricating oil to flow to row
Star-wheel and the intercommunicating pore of gear ring installation position；
On the sun gear of the gearbox, the sun gear oil supplying hole for connecting the oil guide pipe is provided with；
On the planet carrier for being opened in the gearbox, connected with the oil supplying hole, lubricating oil is guided to the planet
The oil guiding hole of frame installation position.
It is preferred that, in the planet row lubricating system of the gearbox of above-mentioned offer, the valve plate oil supplying hole includes：
One end is connected with the delivery outlet of the oil pump, the other end and the hydraulic moment variator control valve being arranged on the valve plate
Connection, lubricating oil is imported the importing oil supplying hole of the hydraulic moment variator control valve；
One end is connected with the dividing plate oil supplying hole, and the other end is connected with the hydraulic moment variator control valve, by lubricating oil
From the hydraulic moment variator control valve imported into the dividing plate oil supplying hole in export oil supplying hole.
It is preferred that, in the planet row lubricating system of the gearbox of above-mentioned offer, the importing oil supplying hole and the export are supplied
Oilhole is straight hole.
It is preferred that, in the planet row lubricating system 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 lubricating system 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 lubricating system 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 lubricating system 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 lubricating system for the gearbox that the present invention is provided, new fuel supply path is additionally arranged wherein, i.e., in valve
Valve plate oil supplying hole is set on plate, intercommunicating pore is provided with hub in gear, sun gear oil supplying hole is provided with sun gear, is expert at
Oil guiding hole is provided with carrier.After lubricating oil flows out from oil pump, it is flow to respectively in intercommunicating pore and oil guide pipe through valve plate oil supplying hole,
So as to make lubricating oil flow to the installation position of planetary gear and gear ring through intercommunicating pore, the peace of sun gear and planet carrier is flow to through oil guide pipe
Position is filled, so that the direct and sufficient lubrication realized to whole planet row.The planet row lubrication for the gearbox that the present invention is provided
System, new fuel supply path is additionally arranged for planet row, is made oil supplying hole of the planet row no longer by power input shaft, is made lubricating oil
Can be more sufficient flow in planet row, makes planet row more fully be 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.
Fig. 1 for gearbox provided in an embodiment of the present invention planet row lubricating system in valve plate structural representation；
Fig. 2 is the structural representation of oil pump；
Fig. 3 is the structural representation of the planet row lubricating system of gearbox.
In figure 1 above-Fig. 3：
Import oil supplying hole 1, export oil supplying hole 2, hydraulic moment variator control valve 3, input port 4, delivery outlet 5, oil guiding hole 6, company
Through hole 7, sun gear oil supplying hole 8, oil guide pipe 9, bolt hole 10.
Embodiment
The invention provides a kind of planet row lubricating system 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 1-Figure 3, the planet row lubricating system of gearbox provided in an embodiment of the present invention, it includes：
It is arranged on the valve plate of gearbox, connects the valve plate oil supplying hole of the oil pump of gearbox, valve plate oil supplying hole is with being arranged on
Oil guide pipe 9 in gearbox is connected by original oil supplying hole on gear box casing；
In the gear of gearbox on hub, it is provided with original oil supplying hole on gear box casing and connects with valve plate oil supplying hole
It is logical, to allow lubricating oil to flow to planetary gear and the intercommunicating pore 7 of gear ring installation position；
On the sun gear of gearbox, the sun gear oil supplying hole 8 of connection oil guide pipe 9 is provided with；
It is opened on the planet carrier of gearbox, is connected with sun gear oil supplying hole 8, lubricating oil is guided into planet carrier installs
The oil guiding hole 6 at position.
In the planet row lubricating system for the gearbox that the present embodiment is provided, be additionally arranged wherein new fuel supply path (Fig. 1-
Shown in Fig. 3 dotted arrow), i.e., valve plate oil supplying hole is set on valve plate, intercommunicating pore 7 is provided with hub in gear, in the sun
It is provided with wheel in sun gear oil supplying hole 8, planet carrier and is provided with oil guiding hole 6.After lubricating oil flows out from oil pump, supplied through valve plate
Oilhole is flow in intercommunicating pore 7 and oil guide pipe 9 respectively, so as to make lubricating oil flow to the installation portion of planetary gear and gear ring through intercommunicating pore 7
Position, the installation position of sun gear and planet carrier is flow to through oil guide pipe 9, so that the direct and sufficient profit realized to whole planet row
It is sliding.
The planet row lubricating system 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.
In order to further optimize in above-mentioned technical proposal, the planet row lubricating system for the gearbox that the present embodiment is provided, such as
Shown in Fig. 1, valve plate oil supplying hole includes：
One end is connected by original oil supplying hole on housing with the delivery outlet 5 of oil pump, and the other end is with being arranged on valve plate
Hydraulic moment variator control valve 3 is connected, and lubricating oil is imported to the importing oil supplying hole 1 of hydraulic moment variator control valve 3；
One end is connected by original oil supplying hole on housing with dividing plate oil supplying hole, the other end and hydraulic moment variator control valve 3
Connection, by lubricating oil from hydraulic moment variator control valve 3 imported into dividing plate oil supplying hole in export oil supplying hole 2.
It is preferred that, it is straight hole to import oil supplying hole 1 and export oil supplying hole 2, as shown in Figure 1.Such a set-up mode can be most
The structure for simplifying importing oil supplying hole 1 and export oil supplying hole 2 of big degree, it is to avoid cause to contradict with the other structures on housing, and
And can also reduce difficulty of processing, it is easy to the realization of technical scheme.
As shown in figure 3, intercommunicating pore 7 is connected (as shown in arrow 1-1 in Fig. 3) with the bolt hole 10 of gearbox, valve plate is supplied
Oilhole is connected by bolt by being realized with the intercommunicating pore 7.Specifically, valve plate oil supplying hole is connected by the original oil supplying hole of housing
Bolt hole 10 is passed to, the end of bolt hole 10 extends to connecting seat (connecting seat is the part of carrying bolt) and sun gear
Between gap location, lubricating oil passes sequentially through valve plate oil supplying hole, on housing after original oil supplying hole and bolt hole 10, the company of flowing to
In gap between joint chair and sun gear, now lubricating oil can be lubricated to sun gear, and lubricating oil is again by setting afterwards
It is flow in intercommunicating pore 7 (as shown in arrow 1-2 in Fig. 3) in gear on hub, the gap between miscellaneous part in reduction box
The installation position of planetary gear and gear ring, is lubricated to planetary gear and gear ring.
Specifically, as shown in figure 3, sun gear oil supplying hole 8 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 9, radial direction insertion side wall, it becomes possible to make lubricating oil from leading
In oil pipe 9 position needed is flowed to through side wall.
Specifically, sun gear oil supplying hole 8 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 6, 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 6 has the inclination of angle for the vertical axis of own axes and sun gear oil supplying hole 8
Hole.As shown in figure 3, oil guiding hole 6 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 4, then come out from oil pump delivery outlet 5, by the original stream of housing
Path, enters importing oil supplying hole 1, and is entered from oil supplying hole 1 is imported in hydraulic moment variator control valve 3, then passes through control
The keying of hydraulic moment variator control valve 3, makes lubricating oil be entered after hydraulic moment variator control valve 3 in export oil supplying hole 2, then from
Export and enter the original circulation path of housing in oil supplying hole 2, now lubricating oil is divided into both direction flowing, one of direction
Lubricating oil flows successively through bolt hole 10 and intercommunicating pore 7, reaches the installation position of planetary gear and gear ring, planetary gear and gear ring are entered
Row lubrication.Another road lubricating oil is entered in oil guide pipe 9 by original circulation path on housing, and one in oil guide pipe 9
Lubricating oil of sharing in the benefit enters sun gear oil supplying hole 8, and then enters in oil guiding hole 6, the installation position of planet carrier is flow to, to planet carrier
Realize lubrication；The lubricating oil of another part continues to flow in oil guide pipe 9 in oil guide pipe 9, until the end of oil guide pipe 9, passes through
Gap between another oil supplying hole and part, flows to the installation position of sun gear and planetary gear, to realize lubrication to it.So lead to
The lubricating oil for crossing oil pump offer passes through hydraulic moment variator control valve, and by being opened up in gear on hub, sun gear and planet carrier
Through hole, makes whole planet row have 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 (7)
1. a kind of planet row lubricating system of gearbox, it is characterised in that including：
It is arranged on the valve plate of gearbox, connects the valve plate oil supplying hole of the oil pump of the gearbox, the valve plate oil supplying hole is with setting
Put the oil guide pipe connection in the gearbox；
In the gear of the gearbox on hub, it is provided with and is connected with the valve plate oil supplying hole, to allow lubricating oil to flow to planetary gear
With the intercommunicating pore of gear ring installation position；
On the sun gear of the gearbox, the sun gear oil supplying hole for connecting the oil guide pipe is provided with；
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 lubricating system of gearbox according to claim 1, it is characterised in that the valve plate oil supplying hole bag
Include：
One end is connected with the delivery outlet of the oil pump, and the other end and the hydraulic moment variator control valve being arranged on the valve plate connect
It is logical, lubricating oil is imported to the importing oil supplying hole of the hydraulic moment variator control valve；
One end is connected with dividing plate oil supplying hole, and the other end is connected with the hydraulic moment variator control valve, by lubricating oil from the liquid
The export oil supplying hole that pressure torque converter control valve is imported into the dividing plate oil supplying hole.
3. the planet row lubricating system of gearbox according to claim 2, it is characterised in that the importing oil supplying hole and institute
It is straight hole to state export oil supplying hole.
4. the planet row lubricating system of gearbox according to claim 1, it is characterised in that the intercommunicating pore becomes with described
The bolt hole connection of fast case, the valve plate oil supplying hole is realized with the intercommunicating pore by the bolt hole and connected.
5. the planet row lubricating system 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.
6. the planet row lubricating system of gearbox according to claim 5, 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.
7. the planet row lubricating system of gearbox according to claim 5, 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 |
|---|---|---|---|
| CN201410682472.XA CN104358859B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricating system of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682472.XA CN104358859B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricating system of gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104358859A CN104358859A (en) | 2015-02-18 |
| CN104358859B true CN104358859B (en) | 2017-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410682472.XA Active CN104358859B (en) | 2014-11-24 | 2014-11-24 | A kind of planet row lubricating system of gearbox |
Country Status (1)
| Country | Link |
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| CN (1) | CN104358859B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489756A (en) * | 2016-12-23 | 2017-12-19 | 宝沃汽车（中国）有限公司 | A kind of gearbox and the vehicle with the gearbox |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629625A (en) * | 2008-07-18 | 2010-01-20 | 马自达汽车株式会社 | Automatic transmission |
| CN102644724A (en) * | 2012-04-12 | 2012-08-22 | 盛瑞传动股份有限公司 | Planet row and assembly process thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3065622B2 (en) * | 1988-11-04 | 2000-07-17 | アイシン・エィ・ダブリュ株式会社 | Support device for automatic transmission |
| JPH0914404A (en) * | 1995-06-23 | 1997-01-14 | Mitsubishi Motors Corp | Lubricating device for planet gear |
| CN201509123U (en) * | 2009-08-31 | 2010-06-16 | 比亚迪股份有限公司 | Hub motor system and lubricating system thereof |
| JP4785976B1 (en) * | 2010-04-13 | 2011-10-05 | 川崎重工業株式会社 | Planetary gear set |
| JP2012017762A (en) * | 2010-07-06 | 2012-01-26 | Jtekt Corp | Lubricating structure for planetary gear mechanism |
| CN202182170U (en) * | 2011-06-18 | 2012-04-04 | 南车戚墅堰机车车辆工艺研究所有限公司 | Planetary system outer meshing forcemeat lubricating device |
| CN102829166B (en) * | 2011-06-18 | 2014-09-24 | 南车戚墅堰机车车辆工艺研究所有限公司 | Planetary-system meshed forced lubricating system |
| JP2013068252A (en) * | 2011-09-21 | 2013-04-18 | Ntn Corp | Lubricating device for planetary gear speed reducer |
| CN202360491U (en) * | 2011-11-25 | 2012-08-01 | 盛瑞传动股份有限公司 | Flow control valve for hydraulic valve plate of automatic transmission |
| CN203823028U (en) * | 2014-05-08 | 2014-09-10 | 第一拖拉机股份有限公司 | Differential planet lubrication structure for continuously variable transmission of tractor |
| CN203906742U (en) * | 2014-06-09 | 2014-10-29 | 中国重汽集团济南动力有限公司 | Heavy gearbox lubricating system |
-
2014
- 2014-11-24 CN CN201410682472.XA patent/CN104358859B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629625A (en) * | 2008-07-18 | 2010-01-20 | 马自达汽车株式会社 | Automatic transmission |
| CN102644724A (en) * | 2012-04-12 | 2012-08-22 | 盛瑞传动股份有限公司 | Planet row and assembly process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104358859A (en) | 2015-02-18 |
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