CN108006184A - Main reducing gear of drive axle - Google Patents
Main reducing gear of drive axle Download PDFInfo
- Publication number
- CN108006184A CN108006184A CN201711223107.2A CN201711223107A CN108006184A CN 108006184 A CN108006184 A CN 108006184A CN 201711223107 A CN201711223107 A CN 201711223107A CN 108006184 A CN108006184 A CN 108006184A
- Authority
- CN
- China
- Prior art keywords
- gear
- spiral bevel
- bevel gear
- oil
- drive axle
- 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.)
- Withdrawn
Links
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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
-
- 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
- F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
It is big to solve existing main reducing gear of drive axle churning loss the present invention relates to main reducing gear of drive axle, the problem of caused transmission efficiency declines and drive axle temperature is excessive；A kind of main reducing gear of drive axle, including bracket assembly and differential assembly, driven spiral bevel gear, active spiral bevel gear, the first oil baffle are provided.Bracket assembly includes bracket and left shaft holder on bracket, right axle bearing.The right end of first oil baffle is fixed in right axle bearing, and front end is located at below active spiral bevel gear, rear end is located at gear oil for driving axle oil level line above position, and left end is located at the radial outside of driven spiral bevel gear.In the present invention, driven spiral bevel gear and differential assembly are the faster transmission parts of velocity of rotation, first oil baffle covers the part that two component is located at below gear oil, agitation gear oil for driving axle effect can be effectively reduced, so that solving driving bridge main reducing speed stirs the big technical problem of oily power loss.
Description
Technical field
The present invention relates to a kind of retarder, more specifically to a kind of main reducing gear of drive axle.
Background technology
In driving bridge for engineering machinery, generally use double reduction structure, i.e. main reducing gear and hub reduction gear, for balanced tooth
Take turns the service life and reduce main reducing gear appearance and size, final driver ratio should not set excessive, therefore driven spiral bevel gear
Rotating speed is higher；Simultaneously because spiral bevel gear tooth form feature, when rotation, stirs Drive-Axle Gears wheel oil positive effect, causes in height
Under speed conditions, main reducing gear churning loss is larger, not only reduces main reducing gear transmission efficiency, while drive axle caloric value is big,
Easily cause drive axle temperature excessive, establish gear surface, bearing film difficult, cause inordinate wear.Also can accelerating gear
Deterioration of oil, in addition, easily causing drive axle seal premature aging to fail.
The content of the invention
The technical problem to be solved in the present invention is big for main reducing gear of drive axle churning loss, under caused transmission efficiency
The problem of drop and drive axle temperature are excessive, and a kind of efficient, reliable main reducer in drive axle for construction machines is provided.
The present invention is such to realize the technical solution of its purpose：A kind of main reducing gear of drive axle, including bracket are provided
Assembly and differential assembly, driven spiral bevel gear, active spiral bevel gear, the bracket assembly include bracket and installed in supports
Left shaft holder, right axle bearing on frame, the left and right ends of the differential assembly are installed on institute by taper roll bearing respectively
State on bracket assembly, driven spiral bevel gear is rigidly fixed with the differential assembly and is connected, active spiral bevel gear with it is driven
Spiral bevel gear engages, it is characterised in that：The first oil baffle is further included, the right end of first oil baffle is fixed on right axle bearing
On, front end is located at below active spiral bevel gear, rear end is located at gear oil for driving axle oil level line above position, and left end is positioned at driven
The radial outside of spiral bevel gear.In the present invention, driven spiral bevel gear and differential assembly are that velocity of rotation passes faster
Dynamic component, the first oil baffle cover the part that two component is located at below gear oil, can effectively reduce agitation gear oil for driving axle
Effect, so that solving driving bridge main reducing speed stirs the big technical problem of oily power loss.
Further, in above-mentioned main reducing gear of drive axle, first oil baffle is half-body of revolution structure, and so-called half revolves
Swivel structure is 180 ° or so obtained rotary bodies of rotation.
Further, in above-mentioned main reducing gear of drive axle, first oil baffle is stepped, it is from right end to left end
It is sequentially connected first radially installed section, the first cylinder section, conical surface section and the second cylinder section, the first radially installed section institute
Axially vertical and be bolted in right axle bearing in plane and left and right, it is total that the first cylinder section is located at the differential mechanism
Into right section of outside, the conical surface section is opposite with the flank of tooth of the driven spiral bevel gear, and the second cylinder section is positioned at described
The radial outside of driven spiral bevel gear.
Further, in above-mentioned main reducing gear of drive axle, the first radially installed section, the first cylinder section, conical surface section
At interconnection it is arc transition structure with the second cylinder section.
Further, in above-mentioned main reducing gear of drive axle, the second oil baffle, the left end of second oil baffle are further included
It is fixed on Left hand bearing block, front end is located at below active spiral bevel gear, rear end is located at more than gear oil for driving axle oil level line
Position, left end are located at the radial outside of driven spiral bevel gear.
Further, in above-mentioned main reducing gear of drive axle, second oil baffle is half-body of revolution structure.
Further, in above-mentioned main reducing gear of drive axle, second oil baffle is stepped, it is from left end to right end
It is sequentially connected second radially installed section, the 3rd cylinder section, changeover portion and the 4th cylinder section, the second radially installed section institute
Axially vertical and be bolted on Left hand bearing block in plane and left and right, the 3rd cylinder section is located at the differential mechanism
The radial outside that left section of assembly, the 4th cylinder section are located at the radial outside of the driven spiral bevel gear, the 4th column
The arc radius of face section is more than the arc diameter of the 3rd cylinder section, and the changeover portion connects the 3rd cylinder section and the 4th cylinder section.
Further, in above-mentioned main reducing gear of drive axle, plane and left and right are axially vertical where the changeover portion.
Further, in above-mentioned main reducing gear of drive axle, the right end arc radius of second oil baffle is equal to described
The arc radius of first oil baffle left end, the right end of second oil baffle are fixedly connected with the first oil baffle left end.Or
Second oil baffle described in person is structure as a whole with first oil baffle.
Compared with prior art, the present invention in the present invention, it is located at tooth in driven spiral bevel gear and differential assembly circumference
After taking turns the major part covering oil baffle below oil level, to driving when effectively reducing spiral bevel gear and differential assembly rotation
The stirring effect of axle gear oil, reduces the power loss for stirring oil generation, while structure is reliable.
Brief description of the drawings
Fig. 1 is the structure diagram of main reducing gear of drive axle in the embodiment of the present invention one.
Fig. 2 be in Fig. 1 H to sectional view.
Fig. 3 be in Fig. 1 A to sectional view.
Fig. 4 is the structure diagram of the first oil baffle in the embodiment of the present invention one.
Fig. 5 is the structure diagram of main reducing gear of drive axle in the embodiment of the present invention two.
Fig. 6 is the sectional view of main reducing gear of drive axle in the embodiment of the present invention two.
Fig. 7 is the structure diagram of the second oil baffle in the embodiment of the present invention two.
Fig. 8 is the first oil baffle and the structure diagram of the second oil baffle connection in the embodiment of the present invention two.
Parts title and sequence number in figure：
Left shaft holder 1, axle housing 2, differential assembly 3, driven spiral bevel gear 4, the first oil baffle 5, bridge bag oil sump 6, spiral shell
Bolt 7, packing ring 8, right axle bearing 9, bracket 10, right side taper roll bearing 11, left side taper roll bearing 12, active screw conic tooth
Wheel 13, gear oil level 14, the second oil baffle 15.
Embodiment
Illustrate specific embodiment below in conjunction with the accompanying drawings.
Embodiment one.
The structure of main reducing gear of drive axle in the present embodiment as shown in Figures 1 to 4, the driving bridge main reducing in the present embodiment
Fast device includes bracket assembly and differential assembly 3, driven spiral bevel gear 4, active spiral bevel gear 13, the first oil baffle 5, support
Frame assembly includes bracket 10 and left shaft holder 1 on bracket 10, right axle bearing 9.Bracket 10 forms closing sky with axle housing 2
Between form bridge bag oil sump 6.The left end of differential assembly 3 is installed on the left side of bracket assembly by left side taper roll bearing 12,
The right end of differential assembly 3 is installed on the right side of bracket assembly by right side taper roll bearing 11.Left side taper roll bearing
12nd, right side taper roll bearing 11 is installed on the left and right sides of bracket assembly by left shaft holder 1, right axle bearing 9 respectively, driven
Total 3 one-tenth of spiral bevel gear 4 and differential mechanism, which rigidly fixes, to be connected, and active spiral bevel gear is engaged with driven spiral bevel gear.
As shown in figure 4, the first oil baffle 5 is 180 ° or so obtained half-body of revolution structures of rotation, the first oil baffle 5 is in
Stepped, it is sequentially connected first radially installed section 51, the first cylinder section 52, conical surface section 53 and second from right end to left end
Cylinder section 54,51 place plane of the first radially installed section is axially vertical with left and right and is fixed on by bolt 7 in right axle bearing 9,
First cylinder section 52 is located at the radial outside of right section of differential assembly (right part of driven spiral bevel gear), conical surface Duan Yucong
The flank of tooth of dynamic spiral bevel gear 4 is opposite, and the second cylinder section 54 is located at the radial outside of driven spiral bevel gear 4.First radially pacifies
It is arc transition structure at interconnection to fill section 51, the first cylinder section 52,53 and second cylinder section 54 of conical surface section.In the first footpath
Mounting hole 55 is provided with to construction section 51, bolt 7 is fixedly connected through mounting hole 55 with right axle bearing 9, so that by first gear
Oiled-plate method is fixedly mounted in right axle bearing 9.
As shown in Fig. 2 Fig. 3, the right end of the first oil baffle 5 is fixed in right axle bearing 9, and front end is located at active screw conic tooth
The lower section of wheel 13, rear end are located at more than 14 position of gear oil for driving axle oil level line namely gear oil level, and left end is positioned at driven spiral
The radial outside of bevel gear 4, the pivot of the first oil baffle 5 are located on the axis of driven spiral bevel gear 4.Implement in book
In example, driven spiral bevel gear 4 and differential assembly 3 are the faster transmission parts of velocity of rotation, the covering of the first oil baffle 5 this two
Component is located at part of the gear oil level below 14, agitation gear oil for driving axle effect can be effectively reduced, so as to solve drive axle
The big technical problem of oily power loss is stirred in main deceleration.
In the present embodiment, in order to improve the gear oil effect of the first oil baffle, the first cylinder section 52 of the first oil baffle 5 with
Gap between differential assembly 3 is as small as possible, and the gap between the gear of conical surface section 53 and driven spiral bevel gear 4 also to the greatest extent may be used
Energy ground is small, makes the gear oil between 3 and first oil baffle 5 of driven helical gear 4 and differential assembly few as much as possible, so that more
The effect of agitation gear oil is reduced well.
Embodiment two.
As shown in Fig. 5 to Fig. 8, compared with embodiment one, the main reducing gear of drive axle in the present embodiment drives in embodiment one
The second oil baffle 15 is added on the basis of dynamic bridge main reducing gear.
The structure of second oil baffle 15 is as shown in fig. 7, the second oil baffle 15 is stepped half-body of revolution structure, it is certainly
Left end to right end be sequentially connected second radially installed section 151, the 3rd cylinder section 152,153 and the 4th cylinder section of changeover portion
154,151 place plane of the second radially installed section is axially vertical with left and right and is bolted on left shaft holder 1, the 3rd column
Face section 152 is positioned at the radial outside of left section of differential assembly 3 (positioned at the part in the driven left side of spiral bevel gear 4), the 4th cylinder
Section 154 is located at the radial outside of driven spiral bevel gear 4, and the arc radius of the 4th cylinder section 154 is more than the 3rd cylinder section 152
Arc diameter, changeover portion 153 connect the 3rd cylinder section 152 and the 4th cylinder section 154 and 153 place plane of changeover portion and Y-axis
To vertical.
As shown in Fig. 5 Fig. 6, the left end of the second oil baffle 15 is fixed on left shaft holder 1, and front end is located at active screw conic tooth
The lower section of wheel 13, rear end are located at gear oil for driving axle oil level line above position, and the footpath that left end is located at driven spiral bevel gear 4 is outside
Side, the pivot of the second oil baffle 15 are located on the axis of driven spiral bevel gear 4.In the present embodiment, in order to improve
The gear oil effect of two oil baffles, between the 3rd cylinder section 152 and changeover portion 153 and differential assembly 3 of the second oil baffle 15
Gap is as small as possible, and the gap between the 4th cylinder section 154 and driven spiral bevel gear 4 is also small as much as possible.
As shown in figure 8, the right end arc radius of the second oil baffle 15 is equal to the arc radius of 5 left end of the first oil baffle, the
The right end of two oil baffles 15 is fixedly connected with 5 left end of the first oil baffle.5 left end of right end and the first oil baffle of second oil baffle 15
Between can be that welding is either connected by connector or the second oil baffle and first oil baffle are integrally formed processing
And become one structure.
Claims (10)
1. a kind of main reducing gear of drive axle, including bracket assembly and differential assembly, driven spiral bevel gear, active screw conic tooth
Wheel, the bracket assembly include bracket and left shaft holder on bracket, right axle bearing, the left and right of the differential assembly
Both ends are installed on the bracket assembly by taper roll bearing respectively, and driven spiral bevel gear and the differential assembly are firm
Property is fixedly connected, and active spiral bevel gear is engaged with driven spiral bevel gear, it is characterised in that：Further include the first oil baffle, institute
The right end for stating the first oil baffle is fixed in right axle bearing, and front end is located at below active spiral bevel gear, rear end is located at drive axle
Gear oil oil level line above position, left end are located at the radial outside of driven spiral bevel gear.
2. main reducing gear of drive axle according to claim 1, it is characterised in that first oil baffle is half-body of revolution knot
Structure.
3. main reducing gear of drive axle according to claim 2, it is characterised in that first oil baffle is stepped, it is certainly
Right end to left end be sequentially connected first radially installed section, the first cylinder section, conical surface section and the second cylinder section, first footpath
Plane is axially vertical with left and right where to construction section and is bolted in right axle bearing, and the first cylinder section is located at institute
The outside of right section of differential assembly is stated, the conical surface section is opposite with the flank of tooth of the driven spiral bevel gear, second cylinder
Section is located at the radial outside of the driven spiral bevel gear.
4. main reducing gear of drive axle according to claim 3, it is characterised in that the first radially installed section, the first cylinder
Section, conical surface section and the second cylinder section are arc transition structure at interconnection.
5. main reducing gear of drive axle according to any one of claim 1 to 4, it is characterised in that further include second gear oil
Plate, the left end of second oil baffle are fixed on Left hand bearing block, and front end is located at below active spiral bevel gear, rear end is located at
Gear oil for driving axle oil level line above position, left end are located at the radial outside of driven spiral bevel gear.
6. main reducing gear of drive axle according to claim 5, it is characterised in that second oil baffle is half-body of revolution knot
Structure.
7. main reducing gear of drive axle according to claim 6, it is characterised in that second oil baffle is stepped, it is certainly
Left end to right end be sequentially connected second radially installed section, the 3rd cylinder section, changeover portion and the 4th cylinder section, second footpath
Plane is axially vertical with left and right where to construction section and is bolted on Left hand bearing block, and the 3rd cylinder section is located at
The radial outside of left section of the differential assembly, the 4th cylinder section are located at the radial outside of the driven spiral bevel gear,
The arc radius of the 4th cylinder section is more than the arc diameter of the 3rd cylinder section, and the changeover portion connects the 3rd cylinder section and the
Four cylinder sections.
8. main reducing gear of drive axle according to claim 7, it is characterised in that plane and Y-axis where the changeover portion
To vertical.
9. the main reducing gear of drive axle according to any one of claim 6 to 8, it is characterised in that second oil baffle
Right end arc radius is equal to the arc radius of the first oil baffle left end, right end and the first gear of second oil baffle
Oiled-plate method left end is fixedly connected.
10. main reducing gear of drive axle according to claim 9, it is characterised in that second oil baffle and the first gear
Oiled-plate method is structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223107.2A CN108006184A (en) | 2017-11-29 | 2017-11-29 | Main reducing gear of drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711223107.2A CN108006184A (en) | 2017-11-29 | 2017-11-29 | Main reducing gear of drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108006184A true CN108006184A (en) | 2018-05-08 |
Family
ID=62054443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711223107.2A Withdrawn CN108006184A (en) | 2017-11-29 | 2017-11-29 | Main reducing gear of drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896346A (en) * | 2021-03-11 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Drive axle guiding device and drive axle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275164A (en) * | 2005-03-29 | 2006-10-12 | Daihatsu Motor Co Ltd | Vehicular differential device |
| CN101936448A (en) * | 2009-06-30 | 2011-01-05 | 美驰技术有限责任公司 | An axle |
| CN102287522A (en) * | 2010-06-08 | 2011-12-21 | 加特可株式会社 | Lubrication structure of gear |
| DE102011003221A1 (en) * | 2011-01-27 | 2012-08-02 | Zf Friedrichshafen Ag | Differential component for propelled vehicle axle, has plate wheel fully or partly shielded against lubrication oil, where propelled vehicle axle is driven with drive pinion and plate wheel via bevel gear drive |
| CN204114058U (en) * | 2014-09-22 | 2015-01-21 | 安徽江淮汽车股份有限公司 | A kind of differential mechanism oil baffle |
| CN106068409A (en) * | 2014-03-10 | 2016-11-02 | 本田技研工业株式会社 | The lubrication system of differential gear |
| CN206290680U (en) * | 2016-09-05 | 2017-06-30 | 现代自动车株式会社 | For the lubricating arrangement of vehicle differential arrangements |
| CN206988398U (en) * | 2017-03-28 | 2018-02-09 | 长城汽车股份有限公司 | Differential mechanism oil baffle and transmission assembly |
-
2017
- 2017-11-29 CN CN201711223107.2A patent/CN108006184A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275164A (en) * | 2005-03-29 | 2006-10-12 | Daihatsu Motor Co Ltd | Vehicular differential device |
| CN101936448A (en) * | 2009-06-30 | 2011-01-05 | 美驰技术有限责任公司 | An axle |
| CN102287522A (en) * | 2010-06-08 | 2011-12-21 | 加特可株式会社 | Lubrication structure of gear |
| DE102011003221A1 (en) * | 2011-01-27 | 2012-08-02 | Zf Friedrichshafen Ag | Differential component for propelled vehicle axle, has plate wheel fully or partly shielded against lubrication oil, where propelled vehicle axle is driven with drive pinion and plate wheel via bevel gear drive |
| CN106068409A (en) * | 2014-03-10 | 2016-11-02 | 本田技研工业株式会社 | The lubrication system of differential gear |
| CN204114058U (en) * | 2014-09-22 | 2015-01-21 | 安徽江淮汽车股份有限公司 | A kind of differential mechanism oil baffle |
| CN206290680U (en) * | 2016-09-05 | 2017-06-30 | 现代自动车株式会社 | For the lubricating arrangement of vehicle differential arrangements |
| CN206988398U (en) * | 2017-03-28 | 2018-02-09 | 长城汽车股份有限公司 | Differential mechanism oil baffle and transmission assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896346A (en) * | 2021-03-11 | 2021-06-04 | 中国重汽集团济南动力有限公司 | Drive axle guiding device and drive axle |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180508 |