CN108194625A - A kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanism - Google Patents
A kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanism Download PDFInfo
- Publication number
- CN108194625A CN108194625A CN201810017808.9A CN201810017808A CN108194625A CN 108194625 A CN108194625 A CN 108194625A CN 201810017808 A CN201810017808 A CN 201810017808A CN 108194625 A CN108194625 A CN 108194625A
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- CN
- China
- Prior art keywords
- differential
- drive axle
- differential mechanism
- guide road
- left housing
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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.)
- 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
- F16H57/04—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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The present invention relates to a kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanisms, it is that the Oil Guide road of several connection differential casings outwardly and inwardly is arranged in differential mechanism left housing, and reinforcing rib outer of the entrance in Oil Guide road in differential mechanism left housing, to ensure no matter under slow-speed of revolution operating mode or high speed conditions, the lubricating oil outside differential casing can enter through Oil Guide road inside differential casing；Under high speed conditions, superfluous lubricating oil can be flowed out to by the oilhole in differential mechanism left housing and right shell outside differential casing inside differential casing, lubricating oil so as to make differential casing inside and outside can be circulated by Oil Guide road and the oilhole realization in differential mechanism left housing and right shell, conducive to the diverging of differential casing internal heat and the discharge of impurity, improve the abrasion condition of differential mechanism inner body.It the composite can be widely applied in all kinds of drive axle differential lubrication systems, can be promoted to the industries such as automobile, rail locomotive, heavy-duty machinery and scientific research institution.
Description
Technical field
The present invention relates to a kind of drive axle differential mechanism, the method for arranging of specifically a kind of drive axle differential case body oil duct and
Drive axle differential mechanism.
Background technology
Differential mechanism is the important component of drive axle, and major function realizes vehicle during turning or traveling is not
Left and right driving wheel is rolled with different rotating speeds when flat road surface.Lubrication state inside drive axle differential mechanism is always to drive
The key points and difficulties paid close attention in bridge design process.Currently, the lubrication problem of drive axle differential mechanism protrudes, and is mainly manifested in inside and rubs
Wipe it is secondary between lubricate it is insufficient caused by inordinate wear, including between cross axle and planetary gear mounting hole abrasion, planetary gear
Abrasion between abrasion and gasket and differential case internal surface between end face and gasket etc..Further, it is different inside differential mechanism
Often abrasion will cause the fit clearance between correlated parts to change, and then cause gear load distribution unevenness, extraordinary noise
The problems such as.
In existing drive axle differential mechanism, realize lubricating oil outside differential mechanism often by the oilhole on differential casing
Portion enters inside differential mechanism.However, due to the presence of centrifugal force in the differential mechanism course of work, when speed is higher, outside differential mechanism
The lubricating oil in portion is difficult to be entered inside differential mechanism by oilhole, causes differential mechanism internal lubrication oil mass less；Meanwhile speed is higher
When, lubricating oil is difficult outside poor flow speed device, to cause the metal filings inside differential mechanism etc. miscellaneous inside the differential mechanism by oilhole
Matter is not easy to discharge, and then cause inner body wear condition severe inside differential mechanism.
Invention content
In view of the above-mentioned problems, the method for arranging and drive axle the object of the present invention is to provide a kind of differential casing oil duct are poor
Fast device to improve differential mechanism oil inlet quantity, while improves differential mechanism inner body wear condition.
To achieve the above object, the present invention takes following technical scheme：A kind of arrangement of drive axle differential case body oil duct
Method, which is characterized in that the method for arranging is that several connection differential casings leading outwardly and inwardly are arranged in differential mechanism left housing
Oil duct, and reinforcing rib outer of the entrance in Oil Guide road in differential mechanism left housing, to ensure no matter turn in slow-speed of revolution operating mode or height
Under fast operating mode, the lubricating oil outside differential casing can enter through Oil Guide road inside differential casing；Meanwhile in high rotating speed work
Under condition, superfluous lubricating oil can flow out to differential casing by the oilhole in differential mechanism left housing and right shell inside differential casing
Outside, the lubricating oil so as to make differential casing inside and outside can pass through the oilhole on Oil Guide road and differential mechanism left housing and right shell
Realization circulates, conducive to the diverging of differential casing internal heat and the discharge of impurity.
A kind of drive axle differential mechanism using above-mentioned method for arranging, including left housing, right shell, cross axle, planetary gear and the sun
Wheel, circumferentially several first oilholes and reinforcing rib in the left housing, circumferentially several second oilholes on the right shell are special
Sign is, the Oil Guide road of quantity identical with first oilhole, the entrance and exit in the Oil Guide road are arranged in the left housing
It is outwardly and inwardly communicated with differential casing respectively, and the entrance in the Oil Guide road is close to the outer of the reinforcing rib.
In a preferred embodiment, the radius of gyration for leading oil-passage inlet is less than the radius of gyration of outlet.
In a preferred embodiment, the Oil Guide road forms 10 °~45 ° with differential casing center of rotation axis
Angle.
In a preferred embodiment, the Oil Guide road is alternately distributed along the left housing is circumferential with first oilhole.
In a preferred embodiment, which is suitable for automobile, rail locomotive or heavy-duty machinery.
The present invention has the following advantages due to taking above technical scheme：1st, the present invention and existing differential casing knot
Structure is compared, and can meet differential mechanism simultaneously in low speed and the oil inlet demand of high-speed rotation operating mode, it is worked to significantly improve differential mechanism
Oil inlet quantity in journey, especially when differential mechanism high-speed rotation, external lubrication oil is entered by the Oil Guide road in left housing in poor shell
Portion increases the lubricants capacity in poor shell.2nd, the present invention is compared with existing differential mechanism casing structure, when differential mechanism runs at high speed,
The Oil Guide road that external lubrication oil can be continued through in left housing enters inside poor shell, and shell internal lubrication oil of being on duty increases to a certain amount of
When, superfluous lubricating oil will be flowed out from the oilhole in left housing and right shell, it is achieved thereby that the cycle of the inside and outside lubricating oil of differential mechanism
Flowing helps to discharge the impurity such as the metal filings inside poor shell, improves the abrasion condition of differential mechanism inner body.The present invention
It can be widely applied in all kinds of drive axle differential lubrication systems, it can be to the industries such as automobile, rail locomotive, heavy-duty machinery and scientific research
Mechanism promotes.
Description of the drawings
Fig. 1 is the structure diagram of differential casing；
Fig. 2 is the structure diagram inside differential mechanism；
Fig. 3 is the oil inlet process schematic of differential mechanism under slow-speed of revolution operating mode；
Fig. 4 is the structure diagram of differential mechanism left housing of the present invention；
Fig. 5 is the differential casing schematic cross-section that the present invention is centrally formed along Oil Guide road；
Fig. 6 is the oil inlet process schematic of present invention differential mechanism under high speed conditions；
Fig. 7 is the cyclic process schematic diagram of present invention differential carrier inside and outside lubricating oil under high speed conditions.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated, however, that the offer of attached drawing is only
For a better understanding of the present invention, they should not be interpreted as limitation of the present invention.
As shown in Figure 1 and Figure 2, differential mechanism include the differential casing being mainly made of left housing 1 and right shell 2 and mainly by
The differential mechanism inner body of the compositions such as planetary gear 6, sun gear 7 and cross axle 8.Wherein, circumferentially several oilholes 3 in left housing 1
With reinforcing rib 5, circumferentially several oilholes 4 on right shell.In the course of work, differential casing is rotated around its center line, works as differential
When device housing rotating speed is relatively low, the lubricating oil outside differential casing can be entered by oilhole 3 and oilhole 4 inside differential casing
(as shown in Figure 3).But when differential casing rotating speed is higher, due to the presence of reinforcing rib 5 and the effect of centrifugal force, lubricating oil was both
It cannot be entered inside differential casing by oilhole 3 and oilhole 4, it is external also can not to flow out to differential carrier from oilhole 3 and oilhole 4
Portion can not circulate, and can not will generate inside differential casing and the impurity discharge such as metal filings of accumulation, aggravate differential mechanism
The inordinate wear of inner body.
To solve the above problems, as shown in Figure 4, Figure 5, the arrangement side of drive axle differential case body oil duct proposed by the present invention
Method is arrangement and the Oil Guide road 9 of 3 identical quantity of oilhole in left housing 1, and Oil Guide road 9 replaces point along 1 circumferential direction of left housing with oilhole 3
Cloth.The entrance and exit in Oil Guide road 9 outwardly and inwardly communicates respectively with differential casing, and the entrance in Oil Guide road 9 is close to reinforcing rib
5 outer, it is ensured that during differential casing high speed rotation, external lubrication oil can not be influenced by reinforcing rib 5 and reach Oil Guide road 9
Entrance.
As shown in fig. 6, when differential casing rotating speed is higher, since centrifugal force is larger, although lubricating oil cannot pass through oil
Hole 3 and oilhole 4 enter inside differential casing, but can under the influence of centrifugal force by Oil Guide road 9 by lubricating oil from differential mechanism
Hull outside is imported inside differential casing, increases the lubricants capacity inside differential casing.As shown in Fig. 7, work as differential mechanism
When enclosure interior lubricants capacity is reached to a certain degree, superfluous lubricating oil can flow out to differential casing by oilhole 3 and oilhole 4
It is external.It realizes and recycles with oilhole 3 and oilhole 4 at this point, the inside and outside lubricating oil of differential casing can pass through Oil Guide road 9
Flowing, is conducive to the diverging of differential casing internal heat, while can arrange the impurity such as the metal filings inside differential casing
Go out, improve differential casing internal lubrication situation, reduce the abrasion of differential mechanism inner body.
In a preferred embodiment, the radius of gyration of 9 entrance of Oil Guide road is smaller than the radius of gyration of outlet, and Oil Guide road
10 °~45 ° of angle is formed with differential casing center of rotation axis, it in this way can be under the influence of centrifugal force by lubricating oil from difference
Fast device hull outside is imported inside differential casing, increases the lubricants capacity inside differential casing.
This embodiment is merely preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
Subject to.
Claims (6)
1. a kind of method for arranging of drive axle differential case body oil duct, which is characterized in that the method for arranging is in differential mechanism left housing
Arrange the Oil Guide road of several connection differential casings outwardly and inwardly, and reinforcement of the entrance in Oil Guide road in differential mechanism left housing
Muscle outer, to ensure no matter under slow-speed of revolution operating mode or high speed conditions, the lubricating oil outside differential casing can be through Oil Guide
Road enters inside differential casing；Meanwhile under high speed conditions, superfluous lubricating oil can pass through differential inside differential casing
Oilhole in device left housing and right shell is flowed out to outside differential casing, so as to which the lubricating oil for making differential casing inside and outside can
It is circulated by Oil Guide road and the oilhole realization in differential mechanism left housing and right shell, conducive to the diverging of differential casing internal heat
With the discharge of impurity.
2. a kind of drive axle differential mechanism using method for arranging as described in claim 1, including left housing, right shell, cross axle, planet
Wheel and sun gear, circumferentially several first oilholes and reinforcing rib in the left housing, circumferentially several second on the right shell
Oilhole, which is characterized in that the Oil Guide road of quantity identical with first oilhole is arranged in the left housing, the Oil Guide road enters
Mouth and outlet outwardly and inwardly communicate respectively with differential casing, and the entrance in the Oil Guide road is close to the outer of the reinforcing rib
Edge.
3. a kind of drive axle differential mechanism as claimed in claim 2, which is characterized in that the radius of gyration for leading oil-passage inlet is small
The radius of gyration in outlet.
4. a kind of drive axle differential mechanism as claimed in claim 3, which is characterized in that the Oil Guide road is rotated with differential casing
Central axis forms 10 °~45 ° of angle.
5. a kind of drive axle differential mechanism as claimed in claim 2, which is characterized in that the Oil Guide road along the left housing it is circumferential with
First oilhole is alternately distributed.
6. a kind of drive axle differential mechanism as claimed in claim 2, which is characterized in that the drive axle differential mechanism be suitable for automobile,
Rail locomotive or heavy-duty machinery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017808.9A CN108194625A (en) | 2018-01-09 | 2018-01-09 | A kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810017808.9A CN108194625A (en) | 2018-01-09 | 2018-01-09 | A kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194625A true CN108194625A (en) | 2018-06-22 |
Family
ID=62588707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810017808.9A Pending CN108194625A (en) | 2018-01-09 | 2018-01-09 | A kind of method for arranging of drive axle differential case body oil duct and drive axle differential mechanism |
Country Status (1)
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|---|---|
| CN (1) | CN108194625A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089154A (en) * | 2018-10-24 | 2020-05-01 | 陕西汉德车桥有限公司 | Drive axle differential mechanism's lubricating structure and drive axle differential mechanism assembly |
| CN112555383A (en) * | 2020-12-17 | 2021-03-26 | 一汽解放汽车有限公司 | Differential mechanism assembly |
| WO2021137279A1 (en) * | 2019-12-30 | 2021-07-08 | ジヤトコ株式会社 | Power transmission device |
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| US20090176614A1 (en) * | 2008-01-04 | 2009-07-09 | Hilker Gregory J | Differential assembly with oil deflector shield |
| US20110111911A1 (en) * | 2007-07-17 | 2011-05-12 | Hilker Gregory J | Method and apparatus for lubricating a differential in an axle assembly |
| CN102235482A (en) * | 2010-04-21 | 2011-11-09 | 丰田自动车株式会社 | Lubrication structure of differential gear unit |
| JP2012112442A (en) * | 2010-11-24 | 2012-06-14 | Ud Trucks Corp | Lubricating structure of differential gear mechanism in final reduction gear system |
| CN103732953A (en) * | 2011-09-29 | 2014-04-16 | 爱信艾达株式会社 | Power transmission device |
| JP2015081630A (en) * | 2013-10-22 | 2015-04-27 | スズキ株式会社 | Differential device |
| CN204628480U (en) * | 2015-05-18 | 2015-09-09 | 杨柳 | Truck driving axle differential assembly |
| CN105570442A (en) * | 2014-10-30 | 2016-05-11 | 爱信精机株式会社 | Lubricating structure for speed reducer |
| CN106080038A (en) * | 2015-04-27 | 2016-11-09 | 阿文美驰技术有限责任公司 | There is the vehicle bridge assembly of dam module |
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| CN107228182A (en) * | 2016-03-23 | 2017-10-03 | 阿文美驰技术有限责任公司 | Vehicle bridge component with lubricant reservoir |
| CN206770547U (en) * | 2017-06-12 | 2017-12-19 | 青岛雷沃工程机械有限公司 | A kind of improved loading machine differential mechanism |
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- 2018-01-09 CN CN201810017808.9A patent/CN108194625A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09296857A (en) * | 1996-05-01 | 1997-11-18 | Tochigi Fuji Ind Co Ltd | Differential gear |
| US20110111911A1 (en) * | 2007-07-17 | 2011-05-12 | Hilker Gregory J | Method and apparatus for lubricating a differential in an axle assembly |
| US20090176614A1 (en) * | 2008-01-04 | 2009-07-09 | Hilker Gregory J | Differential assembly with oil deflector shield |
| CN102235482A (en) * | 2010-04-21 | 2011-11-09 | 丰田自动车株式会社 | Lubrication structure of differential gear unit |
| JP2012112442A (en) * | 2010-11-24 | 2012-06-14 | Ud Trucks Corp | Lubricating structure of differential gear mechanism in final reduction gear system |
| CN103732953A (en) * | 2011-09-29 | 2014-04-16 | 爱信艾达株式会社 | Power transmission device |
| JP2015081630A (en) * | 2013-10-22 | 2015-04-27 | スズキ株式会社 | Differential device |
| CN105570442A (en) * | 2014-10-30 | 2016-05-11 | 爱信精机株式会社 | Lubricating structure for speed reducer |
| CN106080038A (en) * | 2015-04-27 | 2016-11-09 | 阿文美驰技术有限责任公司 | There is the vehicle bridge assembly of dam module |
| CN204628480U (en) * | 2015-05-18 | 2015-09-09 | 杨柳 | Truck driving axle differential assembly |
| JP2017096463A (en) * | 2015-11-27 | 2017-06-01 | 株式会社ショーワ | Power transmission device |
| CN107228182A (en) * | 2016-03-23 | 2017-10-03 | 阿文美驰技术有限责任公司 | Vehicle bridge component with lubricant reservoir |
| CN206770547U (en) * | 2017-06-12 | 2017-12-19 | 青岛雷沃工程机械有限公司 | A kind of improved loading machine differential mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089154A (en) * | 2018-10-24 | 2020-05-01 | 陕西汉德车桥有限公司 | Drive axle differential mechanism's lubricating structure and drive axle differential mechanism assembly |
| WO2021137279A1 (en) * | 2019-12-30 | 2021-07-08 | ジヤトコ株式会社 | Power transmission device |
| JPWO2021137279A1 (en) * | 2019-12-30 | 2021-07-08 | ||
| JP7392220B2 (en) | 2019-12-30 | 2023-12-06 | ジヤトコ株式会社 | power transmission device |
| CN112555383A (en) * | 2020-12-17 | 2021-03-26 | 一汽解放汽车有限公司 | Differential mechanism assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180622 |