CN104482188B - A kind of gearbox - Google Patents
A kind of gearbox Download PDFInfo
- Publication number
- CN104482188B CN104482188B CN201410682302.1A CN201410682302A CN104482188B CN 104482188 B CN104482188 B CN 104482188B CN 201410682302 A CN201410682302 A CN 201410682302A CN 104482188 B CN104482188 B CN 104482188B
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- CN
- China
- Prior art keywords
- hole
- gearbox
- main shaft
- fuel feeding
- transmission main
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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
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
-
- 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
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
This application discloses a kind of gearbox, including transmission main shaft and it is coaxially disposed with the transmission main shaft, and connects the bolt of the main casing of gearbox, wherein：The bolt is the through hole bolt for offering axial fuel feeding through hole, and a side ports of the fuel feeding through hole are connected with the lubricant passage way on the main casing；Axial bore, and the radial direction through hole connected with the axial bore are offered on the transmission main shaft, the axial bore is connected with another side ports of the fuel feeding through hole.The gearbox that the present invention is provided, the set-up mode on different oils road is no longer specially set using traditional different parts, but circulated by opening up through hole nearby on the internal part of gearbox for lubricating oil, the quantity of the lubricant passage way opened up with reducing on gear box casing, the length of lubricant passage way is also reduced simultaneously, transmission main shaft and the overall lubricant passage way of gearbox are further simplify, makes the setting of lubricant passage way more optimize.
Description
Technical field
The present invention relates to technical field of a vehicle accessory, more specifically to a kind 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, transmission main shaft and planet row are exactly to need two in multiple parts for lubricating, in the prior art,
The lubricating system of transmission main shaft and planet row, is got respectively on the housing of gearbox exclusively for transmission main shaft and planet row confession
The through hole (being subsequently referred to as fuel feeding through hole) of oil, using the circulation path as lubricating oil.The mode of such a oil circuit design is, it is necessary to become
Multiple different fuel feeding through holes are got for different parts on the housing of fast case, make the arrangement of gearbox lubricating oil way more multiple
Miscellaneous and different part is provided with different fuel feeding through holes, also make it that the length of lubricant passage way is larger, causes lubricating oil on housing
The setting on road is not compact.
Therefore, how to simplify the lubricant passage way of transmission main shaft, be current sheet further to optimize the lubricant passage way of gearbox
Art personnel's urgent problem to be solved.
The content of the invention
In view of this, the invention provides a kind of gearbox, it can simplify the lubricant passage way of transmission main shaft, so as to enter one
Step optimizes the lubricant passage way of gearbox.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of gearbox, including transmission main shaft and be coaxially disposed with the transmission main shaft, and connect the main casing of gearbox
Bolt, wherein：
The bolt is the through hole bolt for offering axial fuel feeding through hole, and a side ports and the institute of the fuel feeding through hole
State the lubricant passage way connection on main casing；
Axial bore, and the radial direction through hole connected with the axial bore, the axial direction are offered on the transmission main shaft
Inner chamber is connected with another side ports of the fuel feeding through hole.
It is preferred that, in above-mentioned gearbox, the axial bore and the fuel feeding through hole connect for non-tight.
It is preferred that, in above-mentioned gearbox, the sun gear oil of its centre hole side wall of insertion is offered on the sun gear of gearbox
Road hole.
It is preferred that, in above-mentioned gearbox, the multiple supports radially run through are provided with the membrane support axle of gearbox
Slinger hole.
It is preferred that, in above-mentioned gearbox, the axial bore is the close through hole bolt in the transmission main shaft
There is the open inner chamber of opening on end face.
It is preferred that, in above-mentioned gearbox, the axial bore is open interior for the one side not axially through the transmission main shaft
Chamber.
It is preferred that, in above-mentioned gearbox, the fuel feeding through hole is coaxially disposed with the through hole bolt.
In the gearbox that the present invention is provided, it will be coaxially disposed with transmission main shaft, the bolt for connecting main casing is set to
The bolt of axial fuel feeding through hole is offered, and a side ports of the fuel feeding through hole connect with original lubricant passage way on main casing
It is logical, so as to make the lubricating oil in lubricant passage way flow in fuel feeding through hole, and then transmission main shaft is flowed to by fuel feeding through hole, and be driven
Axial bore, and the radial direction through hole connected with axial bore are offered on main shaft, the lubricating oil through fuel feeding through hole is logical from fuel feeding
After being flowed out in another side ports in hole, in the axial bore for entering transmission main shaft, and transmission main shaft is flowed to through radial direction through hole
On periphery wall, so as to realize the lubrication of transmission main shaft.The gearbox that the present invention is provided, it is no longer special using traditional different parts
The set-up mode on different oils road is set, but by opening up through hole nearby on the internal part of gearbox for lubricating oil stream
It is logical, to reduce the quantity of the lubricant passage way opened up on gear box casing, while also reducing the length of lubricant passage way, further
Transmission main shaft and the overall lubricant passage way of gearbox are simplified, makes the setting of lubricant passage way more optimize.
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 is the profile of gearbox provided in an embodiment of the present invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is the structural representation of sun gear；
Fig. 4 is the structural representation of membrane support axle；
Fig. 5 is the cooperation schematic diagram of section components in Fig. 1.
In figure 1 above-Fig. 5：
Through hole bolt 1, main casing 2, friction plate 3, stop steel disc 4, sun gear 5, thrust bearing 6, transmission main shaft 7, support
Seat 8, hub spring bearing 9 in gear, transmission main shaft spring bearing 10, hub 11 in clutch, deep groove ball bearing 12, copper sheathing 13, every
Plate support shaft 14, sun gear oil hole 15, bearing axle oil hole 16, first gear spring bearing 17, second gear spring bearing
18th, gear 19, jump ring 20.
Embodiment
The invention provides a kind of gearbox, it can simplify the lubricant passage way of transmission main shaft, so as to further optimize
The lubricant passage way of gearbox.
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 Figure 1-Figure 5, gearbox provided in an embodiment of the present invention, including transmission main shaft 7 and coaxial with transmission main shaft 7
Set, and connect the bolt of the main casing 2 of gearbox, wherein：
Bolt is on the through hole bolt 1 for offering axial fuel feeding through hole, and the side ports and main casing 2 of fuel feeding through hole
Lubricant passage way connection, the lubricating oil flowed out by fuel feeding through hole and from fuel feeding through hole opposite side port can be along multiple different
Direction flow to the setting position of different parts；
Axial bore, and the radial direction through hole connected with axial bore are offered on transmission main shaft 7, axial bore is led to fuel feeding
Another side ports connection in hole.
In the gearbox that the present embodiment is provided, it will be coaxially disposed with transmission main shaft 7, the bolt for connecting main casing 2, if
It is set to the bolt for offering axial fuel feeding through hole, and the side ports and original lubrication on main casing 2 of the fuel feeding through hole
Oil communication, so as to make the lubricating oil in lubricant passage way flow in fuel feeding through hole, and then flows to transmission main shaft by fuel feeding through hole
7, and axial bore is offered on transmission main shaft 7, and the radial direction through hole connected with axial bore, the lubricating oil through fuel feeding through hole
After being flowed out from another side ports of fuel feeding through hole, in the axial bore for entering transmission main shaft 7, and biography is flowed to through radial direction through hole
On the periphery wall of dynamic main shaft 7, so as to realize the lubrication of transmission main shaft 7.
The gearbox that the present embodiment is provided, no longer specially sets the setting on different oils road using traditional different parts
Mode, but circulated by opening up through hole nearby on the internal part of gearbox for lubricating oil, to reduce in gear box casing
On the quantity of lubricant passage way that opens up, while also reducing the length of lubricant passage way, further simplify transmission main shaft 7 and speed change
The overall lubricant passage way of case, makes axial lubrication road realize that good lubricant effect becomes more simple, reduces lubricant passage way
Overall arrangement space and arrangement difficulty, makes the setting of lubricant passage way more optimize.
In order to further optimize in above-mentioned technical proposal, the gearbox that the present embodiment is provided, axial bore and fuel feeding through hole
Connected for non-tight.As shown in figure 1, in the present embodiment, axial bore and fuel feeding through hole connect for non-tight, so that
The lubricating oil flowed out from fuel feeding through hole can flow to multiple directions.Specifically, lubricating oil flows out from fuel feeding through hole, via
After support base 8, it is divided into two parts, as shown by arrows in FIG., a portion is divided to two opposite direction flow directions to be arranged on speed change
Transmission main shaft spring bearing 10 in case, lubrication is played to transmission main shaft spring bearing 10, and lubricating oil can continue afterwards
The installation position of hub 11 in hub spring bearing 9 and clutch in the gear being arranged in gearbox is flowed to, with to hub in gear
Hub 11 is lubricated in spring bearing 9 and clutch.And equal cloth hole is provided with clutch on hub 11, hub 11 is in transmission in clutch
When main shaft 7 drives lower rotation, under the action of the centrifugal force, lubricating oil is by equal cloth hole to friction plate 3 and the (friction plate 3 of stop steel disc 4
It is the part that is arranged in gearbox with stop steel disc 4) play lubrication
And the lubricating oil of another part then flows to transmission main shaft 7, as shown by arrows in FIG., enter in axial bore, and
By radial direction through hole, flow in the gap between the periphery wall of transmission main shaft 7 and the centre bore of sun gear 5, afterwards this parts of lubricating oil
It is further divided into two different direction flowings.The lubricating oil in one of direction is via being opened on the side wall of the centre bore of sun gear 5
Sun gear oil hole 15 (as shown in Figure 3), flowing to membrane support axle 14, (sun gear 5 and membrane support axle 14 are to be arranged on
Part in gearbox) installation position, extend radially through many of membrane support axle 14 subsequently into along membrane support axle 14
In individual support shaft oil hole 16 (as shown in Figure 4), after lubricating oil is by the support shaft oil hole 16, it is divided into two flow branch,
Lubricating oil is set to flow to the installation position of the deep groove ball bearing 12 of hub in copper sheathing 13 and support gear in one of flow branch, from
And lubrication is played to copper sheathing 13 and deep groove ball bearing 12 (copper sheathing 13 and deep groove ball bearing 12 are to be arranged in gearbox
Part), and another flow branch then flows to gear 19 with the direction opposite with previous flow branch, as shown in figure 5, lubricating
The gap that oil is flow between first gear spring bearing 17, second gear spring bearing 18 and jump ring 20, and gear 19 and first
The inner surface that gear spring bearing 17, second gear spring bearing 18 and jump ring 20 are in contact, in the circumferential to first gear branch
The gap formed between support bearing 17, second gear spring bearing 18 and jump ring 20 serves sealing function, forms annular seal space,
Hydraulic oil is set to flow to first gear spring bearing 17 and second gear spring bearing 18, to first gear spring bearing 17 and second
18 lubrications of gear spring bearing.The lubricating oil in other in which direction by transmission main shaft 7 and the centre bore of sun gear 5 it
Between gap after, flow to thrust bearing 6, and thrust bearing 6 is lubricated, and lubricating oil is after thrust bearing 6, can be with
Continue to flow, and under the centrifugal action that transmission main shaft 7 is rotated, the edge of sun gear 5 is flowed to, with to sun gear 5 and planetary gear
Site of engagement play lubrication so that the gear teeth of sun gear 5 and planetary gear are lubricated simultaneously, and due to planetary gear with
Gear ring is engaged, so planetary gear can take lubricating oil on gear ring to again, gear ring is lubricated, finally realized to whole planet
The lubrication of row (thrust bearing 6, planetary gear and gear ring mentioned above is the part being arranged in gearbox).
Specifically, in the present embodiment, axial bore is to have on the end face of the close through hole bolt 1 of transmission main shaft 7
The open inner chamber of opening, further, axial bore is axially through the open inner chamber in one side of transmission main shaft 7, such as Fig. 1 and figure
Shown in 2.On the premise of it disclosure satisfy that job requirement, such a set-up mode can farthest reduce difficulty of processing, it is easy to
Implementation of the technical scheme in actual production process.
It is preferred that, fuel feeding through hole is coaxially disposed with through hole bolt 1.Fuel feeding through hole is made to be coaxially disposed with through hole bolt 1, can
Preferably ensure the self-strength of through hole bolt 1, and difficulty of processing can be reduced, on through hole bolt 1 and housing is realized
On the premise of lubricant passage way UNICOM, the connection effect of through hole bolt 1 will not be impacted.
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 (6)
1. a kind of gearbox, including transmission main shaft and it is coaxially disposed with the transmission main shaft, and connect the main casing of gearbox
Bolt, it is characterised in that：
The bolt is the through hole bolt for offering axial fuel feeding through hole, and a side ports and the master of the fuel feeding through hole
Lubricant passage way connection on housing；
Axial bore, and the radial direction through hole connected with the axial bore, the axial bore are offered on the transmission main shaft
Connected with another side ports of the fuel feeding through hole, the axial bore and the fuel feeding through hole are to allow lubricating oil to multiple sides
Connected to the non-tight of flowing.
2. gearbox according to claim 1, it is characterised in that offer insertion its centre bore on the sun gear of gearbox
The sun gear oil hole of side wall.
3. gearbox according to claim 1, it is characterised in that be provided with radially on the membrane support axle of gearbox
The multiple support shaft oil holes run through.
4. gearbox according to claim 1, it is characterised in that the axial bore is in the close of the transmission main shaft
There is the open inner chamber of opening on the end face of the through hole bolt.
5. gearbox according to claim 4, it is characterised in that the axial bore is axially through the transmission master
The open inner chamber in one side of axle.
6. the gearbox according to any one in claim 1-5, it is characterised in that the fuel feeding through hole and the through hole
Bolt is coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682302.1A CN104482188B (en) | 2014-11-24 | 2014-11-24 | A kind of gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682302.1A CN104482188B (en) | 2014-11-24 | 2014-11-24 | A kind of gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104482188A CN104482188A (en) | 2015-04-01 |
| CN104482188B true CN104482188B (en) | 2017-09-15 |
Family
ID=52756766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410682302.1A Active CN104482188B (en) | 2014-11-24 | 2014-11-24 | A kind of gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104482188B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4339007B2 (en) * | 2003-04-07 | 2009-10-07 | 本田技研工業株式会社 | Lubricating device in mission gear mechanism |
| JP4577145B2 (en) * | 2005-08-09 | 2010-11-10 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission lubrication system |
| JP4730408B2 (en) * | 2008-07-18 | 2011-07-20 | マツダ株式会社 | Automatic transmission |
| JP2014173658A (en) * | 2013-03-08 | 2014-09-22 | Honda Motor Co Ltd | Oil guide plate |
| CN203214844U (en) * | 2013-03-20 | 2013-09-25 | 徐州徐工挖掘机械有限公司 | Excavator rotary motor and speed reducer lubricating device |
| CN103644289A (en) * | 2013-12-02 | 2014-03-19 | 淅川县顺隆弹簧有限公司 | Electric reduction gearbox provided with duplicate gear mechanism |
-
2014
- 2014-11-24 CN CN201410682302.1A patent/CN104482188B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104482188A (en) | 2015-04-01 |
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