CN113294506A - Rebound gasket differential mechanism on drive axle assembly - Google Patents
Rebound gasket differential mechanism on drive axle assembly Download PDFInfo
- Publication number
- CN113294506A CN113294506A CN202110697430.3A CN202110697430A CN113294506A CN 113294506 A CN113294506 A CN 113294506A CN 202110697430 A CN202110697430 A CN 202110697430A CN 113294506 A CN113294506 A CN 113294506A
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- Prior art keywords
- gear
- rebound
- differential case
- differential
- drive axle
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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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- 239000003921 oil Substances 0.000 claims description 24
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 4
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 208000020016 psychiatric disease Diseases 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Classifications
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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
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears
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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
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
-
- 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
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
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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
- F16H57/042—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
- F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
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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
- F16H57/048—Type of gearings to be lubricated, cooled or heated
- F16H57/0482—Gearings with gears having orbital motion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention provides a rebound gasket differential mechanism on a drive axle assembly, which comprises a left differential mechanism shell, a right differential mechanism shell, a half axle gear I and a planet gear cross shaft, wherein the left differential mechanism shell is connected with the right differential mechanism shell; the left differential shell and the right differential shell are provided with spherical cavities, and two ends of the left differential shell and the right differential shell are respectively provided with an output hole communicated with the spherical cavities; the half shaft gear and the planet gear are positioned in the spherical cavity and are correspondingly meshed; the planetary gear keys are connected with four ends of a planetary gear cross shaft, and the planetary gear cross shaft is fixedly connected with the inner part between the left differential mechanism shell and the right differential mechanism shell. The half axle gear gasket and the half axle gear resilience gasket are both positioned on the half axle gear step, and the planet gear resilience gasket are both positioned at the gap between the planet gear and the left differential case and the right differential case.
Description
Technical Field
The invention belongs to the technical field of automobile drive axles, and particularly relates to a rebound gasket differential mechanism on a drive axle assembly.
Background
The automobile differential mechanism can realize a mechanism that left and right (or front and rear) driving wheels rotate at different rotating speeds. The differential mainly comprises a left half shaft gear, a right half shaft gear, two planetary gears and a differential shell. The differential mechanism is used for driving the left wheel and the right wheel to roll at different rotating speeds when the automobile turns or runs on an uneven road surface, namely, the pure rolling motion of the driving wheels at two sides is ensured, and the differential mechanism is arranged for adjusting the rotating speed difference of the left wheel and the right wheel.
At present, the differential is widely applied to a drive axle assembly.
However, the existing differential mechanism still has the problems that in the normal driving process of a vehicle, various failure modes of the differential mechanism assembly occur to cause the phenomenon of anchorage due to complex road conditions and poor lubrication of the differential mechanism assembly, particularly, the phenomenon of unreasonable torque distribution due to meshing problem frequently occurs in high-speed turning, abnormal sound is generated in the driving process, the psychological state of drivers and passengers is seriously affected, the psychological disorder of automobile drivers is caused, and the potential safety hazard of automobile driving is easily caused.
Therefore, it is necessary to develop a rebound washer differential for a drive axle assembly.
Disclosure of Invention
In order to solve the technical problems, the invention provides a rebound gasket differential mechanism on a drive axle assembly, wherein the rebound gasket differential mechanism is realized by the following technical scheme:
a rebound gasket differential mechanism-on-drive axle assembly comprises a left differential mechanism shell, a right differential mechanism shell, a half axle gear I, a planetary gear cross shaft, a planetary gear and an oil duct; the left differential shell and the right differential shell are provided with spherical cavities, and two ends of the left differential shell and the right differential shell are respectively provided with an output hole communicated with the spherical cavities; the half shaft gear and the planet gear are positioned in the spherical cavity and are correspondingly meshed; the planetary gear cross shafts are fixedly connected to the inner part between the left differential mechanism shell and the right differential mechanism shell; the half axle gear and the half axle gear are respectively connected with one half axle gear shaft, and the half axle gear cross shaft respectively extends out of the left differential mechanism shell and the right differential mechanism shell through the output holes.
Wherein, a gasket differential mechanism of kick-backing still includes the gasket of kick-backing at the transaxle assembly, the gasket of kick-backing includes half shaft gear resilience gasket, half shaft gear resilience gasket one, planet gear resilience gasket and planet gear resilience gasket one.
Preferably, the side gear and the side gear are both in a constant-meshing seamless state with the planet gear.
Preferably, an oil passage is arranged at the joint of the planet gear and the planet gear cross shaft.
Preferably, the flange plate ends of the left differential case and the right differential case are provided with the oil ducts which are communicated with the left differential case and the right differential case, and the inner end and the outer end of each oil duct form a lubricating oil path.
Preferably, the end faces of the side gear rebound gasket and the side gear rebound gasket I are both set to have an inclination angle of 3.5 degrees and an inclination distance of 1.28 millimeters.
Preferably, 12 oil passages are symmetrically arranged around the centers of the flange plates of the left differential case and the right differential case.
Preferably, the side gear spacer and the first side gear rebound spacer are both located on the side gear step, and the planet gear rebound spacer and the first planet gear rebound spacer are both located at a gap between the planet gear and the left differential case and the right differential case.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, the half axle gear and the half axle gear are both in a normally meshed seamless state with the planet gear, so that the meshed clearance of the gears is reduced, and the noise of the differential assembly is reduced.
2. In the invention, the half axle gear gasket and the half axle gear resilience gasket are both positioned on the half axle gear step, and the planet gear resilience gasket are both positioned at the gap between the planet gear and the left differential case and the right differential case.
3. According to the invention, the starting torque of the differential assembly is less than 3Nm after the differential assembly is assembled, and the differential assembly is applied to the drive axle assembly, so that the noise of the drive axle assembly in the running process is better controlled.
4. In the invention, the left differential shell, the right differential shell, the half axle gear, the first half axle gear, the cross shaft of the planetary gear and the planetary gear fully solve the problems that the conventional differential has various failure modes and causes the phenomenon of anchor breaking due to complex road conditions and poor lubrication of the differential assembly in the normal running process of a vehicle, particularly, the phenomenon of unreasonable torque distribution due to meshing problem in high-speed turning frequently occurs, abnormal sound is generated in the running process, the psychological states of drivers and passengers are seriously influenced, the psychological disorder of automobile drivers is caused, and the potential safety hazard of automobile running is easily caused.
5. In the invention, the oil passage can ensure the lubricating effect among all parts, thereby ensuring the working stability of the parts and reducing noise.
6. According to the invention, the half axle gear resilience gasket I, the planet gear resilience gasket and the planet gear resilience gasket I are both 50CrV4 spring steel gaskets, so that the service life can be prolonged, and the abrasion can be reduced.
7. In the invention, the end surfaces of the half axle gear rebound gasket and the first half axle gear rebound gasket are set to have an inclination angle of 3.5 degrees and an inclination distance of 1.28 millimeters, so that the installation is convenient and the rebound effect is ensured.
8. According to the invention, 10 oil holes with the diameter of 4 mm are formed in the half axle gear resilience gasket and 6 oil holes with the diameter of 4 mm are formed in the planet gear resilience gasket, so that the passing rate of lubricating oil can be ensured, and the resilience lubricating effect is further ensured.
9. In the invention, 12 oil passages are symmetrically arranged about the centers of the flange plates of the left differential shell and the right differential shell, so that the passing rate of lubricating oil is ensured, and the lubricating effect is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the left differential case of the present invention.
FIG. 3 is a schematic view of the construction of the side gear rebound washer of the present invention.
FIG. 4 is a schematic diagram of the construction of the planet gear rebound washer of the present invention.
In the figure:
1. a left differential housing; 2. a right differential case; 3. a half shaft gear; 3-1, a half axle gear I; 4. a half axle gear rebound gasket; 4-1, half axle gear resilience gaskets; 5. a planetary gear spider; 6. a planet gear rebound gasket; 6-1, a first planet gear rebound gasket; 7. a planetary gear; 8. an oil passage.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1 and fig. 2, a rebound gasket differential on drive axle assembly comprises a left differential case 1, a right differential case 2, a half axle gear 3-1, a planet gear cross shaft 5, a planet gear 7 and an oil passage 8; the left differential case 1 and the right differential case 2 are internally provided with spherical cavities, and two ends of the left differential case 1 and the right differential case 2 are respectively provided with an output hole communicated with the spherical cavities; the half shaft gear 3 and the planet gear 7 are positioned in the spherical cavity and are correspondingly meshed; the 4 planetary gears 7 are connected with the four 4 ends of the planetary gear cross shaft 5 in a key mode, and the planetary gear cross shaft 5 is fixedly connected to the inner portion between the left differential case 1 and the right differential case 2; the half axle gear 3 and the half axle gear I3-1 are respectively connected with one half axle gear shaft, and the half axle gear cross shaft 5 respectively extends out of the left differential case 1 and the right differential case 2 through the output holes.
The rebound gasket differential mechanism is arranged on a drive axle assembly and further comprises a rebound gasket, wherein the rebound gasket comprises a half axle gear rebound gasket 4, a half axle gear rebound gasket I4-1, a planet gear rebound gasket 6 and a planet gear rebound gasket I6-1, which are shown in the attached drawings 1, 3 and 4.
And a rebound washer differential having a starting torque of less than 3Nm after assembly of a differential assembly in a drive axle assembly.
Preferably, the side gear 3 and the side gear one 3-1 are in constant mesh and seamless state with the planet gear 7.
Preferably, an oil passage 8 is arranged at the joint of the planet gear 7 and the planet gear cross shaft 5.
Preferably, 12 oil passages 8 are arranged at the flange plate ends of the left differential case 1 and the right differential case 2, the oil passages 8 are communicated with the left differential case 1 and the right differential case 2, and lubricating oil passages are formed at the inner end and the outer end of each oil passage.
Preferably, the end faces of the side gear rebound washer 4 and the side gear rebound washer one 4-1 are both set to have an inclination angle of 3.5 degrees and an inclination distance of 1.28 millimeters.
Preferably, 12 oil passages 8 are symmetrically arranged around the center of the flange of the left differential case 1 and the right differential case 2.
Preferably, the side gear rebound gasket 4, the side gear rebound gasket one 4-1, the planet gear rebound gasket 6 and the planet gear rebound gasket one 6-1 are all made of 50CrV4 spring steel gaskets.
Preferably, 10 oil holes with the diameter of 4 millimeters are formed in the periphery of the inner portion of the half axle gear rebound gasket 4.
Preferably, 6 oil holes with the diameter of 4 mm are formed in the periphery inside the planet gear rebound gasket 6.
Preferably, the side gear spacers 4 and the side gear rebound spacers one 4-1 are located on the steps of the side gear 3, and the planet gear rebound spacers 6 and the planet gear rebound spacers one 6-1 are located at the gaps between the planet gears 7 and the left and right differential cases 1 and 2.
Principle of operation
In the invention, the rebound gasket differential is applied in a drive axle assembly, is arranged in a main speed reducer assembly of an automobile, is connected with the drive axle assembly and drives a hub and a brake assembly to work, compared with the prior art, the noise in the driving of the automobile can be effectively reduced, and the starting torque of the differential assembly is less than 3Nm after the assembly; the differential assembly is applied to a drive axle assembly, so that the noise of the drive axle assembly in running is better controlled; the rebound gasket differential mechanism is arranged on a drive axle assembly and comprises a left differential mechanism shell 1, a right differential mechanism shell 2, a half axle gear 3, a half axle gear I3-1, a planetary gear cross shaft 5, a planetary gear 7 and an oil passage 8; the left differential case 1 and the right differential case 2 are internally provided with spherical cavities, and two ends of the left differential case 1 and the right differential case 2 are respectively provided with an output hole communicated with the spherical cavities; the half shaft gear 3 and the planet gear 7 are positioned in the spherical cavity and are correspondingly meshed; the 4 planetary gears 7 are connected with the four 4 ends of the planetary gear cross shaft 5 in a key mode, and the planetary gear cross shaft 5 is fixedly connected to the inner portion between the left differential case 1 and the right differential case 2; the half axle gear 3 and the half axle gear I3-1 are respectively connected with one half axle gear shaft, and the half axle gear cross shaft 5 respectively extends out of the left differential case 1 and the right differential case 2 through the output hole, so that the running stability can be ensured, the lubricating effect can be ensured, the passing rate can be improved, the service life can be prolonged, and the running stability of the automobile can be ensured.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (8)
1. A rebound gasket differential mechanism on a drive axle assembly is characterized by comprising a left differential mechanism shell (1), a right differential mechanism shell (2), a side gear (3), a first side gear (3-1), a planetary gear cross shaft (5), a planetary gear (7) and an oil duct (8); spherical cavities are formed in the left differential case (1) and the right differential case (2), and output holes communicated with the spherical cavities are formed in the two ends of the left differential case (1) and the right differential case (2) respectively; the half shaft gear (3) and the planet gear (7) are positioned in the spherical cavity and are correspondingly meshed; (4) the planet gears (7) are connected with four ends of a planet gear cross shaft (5) in a key mode, and the planet gear cross shaft (5) is fixedly connected to the inner portion between the left differential case (1) and the right differential case (2); the half axle gear (3) and the half axle gear I (3-1) are respectively connected with one half axle gear shaft, and the half axle gear cross shaft (5) respectively extends out of the left differential case (1) and the right differential case (2) through the output holes.
2. The drive axle assembly of claim 1, wherein said rebound washer differential further comprises a rebound washer in said drive axle assembly, said rebound washer comprising a side gear rebound washer (4), a side gear rebound washer one (4-1), a planetary gear rebound washer (6) and a planetary gear rebound washer one (6-1).
3. A resilient shim differential and drive axle assembly as claimed in claim 1 wherein the side gear (3) and side gear one (3-1) are both in constant mesh and seamless condition with the planet gears (7).
4. A resilient pad differential on a drive axle assembly according to claim 1 wherein the planet gears (7) are provided with oil passages (8) at their connection to the planet gear cross (5).
5. The rebound washer differential on drive axle assembly as set forth in claim 1, wherein 12 oil passages (8) are provided at the flange plate ends of the left differential case (1) and the right differential case (2), the oil passages (8) communicate the left differential case (1) and the right differential case (2), and the inner and outer ends form a lubricating oil passage.
6. The rebound washer differential on the drive axle assembly as set forth in claim 2, wherein the end faces of the side gear rebound washer (4) and the side gear rebound washer one (4-1) are each disposed at an inclination angle of 3.5 degrees and at an inclination distance of 1.28 mm.
7. The rebound washer differential on drive axle assembly as set forth in claim 1, wherein 12 of the oil passages (8) are provided symmetrically with respect to the center of the flange of the left differential case (1) and the right differential case (2).
8. The rebound washer differential on the drive axle assembly as set forth in claim 2, wherein the side gear rebound washer (4) and the side gear rebound washer one (4-1) are both located on the step of the side gear (3), and the planet gear rebound washer (6) and the planet gear rebound washer one (6-1) are both located at the gap between the planet gear (7) and the left differential case (1) and the right differential case (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697430.3A CN113294506A (en) | 2021-06-23 | 2021-06-23 | Rebound gasket differential mechanism on drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110697430.3A CN113294506A (en) | 2021-06-23 | 2021-06-23 | Rebound gasket differential mechanism on drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113294506A true CN113294506A (en) | 2021-08-24 |
Family
ID=77329273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110697430.3A Pending CN113294506A (en) | 2021-06-23 | 2021-06-23 | Rebound gasket differential mechanism on drive axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113294506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922220A (en) * | 2023-03-02 | 2023-04-07 | 山东国基泰祥汽车部件有限公司 | Fixed clamping fine adjustment seat for machining electric axle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203035879U (en) * | 2013-01-09 | 2013-07-03 | 杨柳 | Truck drive axle differential assembly |
| CN203335772U (en) * | 2012-12-31 | 2013-12-11 | 陕西汉德车桥有限公司 | Differential mechanism for drive axle |
| JP2017044248A (en) * | 2015-08-25 | 2017-03-02 | 株式会社イケヤフォ−ミュラ | Differential device |
| CN207049282U (en) * | 2017-08-18 | 2018-02-27 | 山东汇金股份有限公司 | One kind is without sideshake differential assembly |
| CN208634306U (en) * | 2018-06-13 | 2019-03-22 | 中唐空铁科技有限公司 | A kind of differential mechanism |
| CN209524057U (en) * | 2018-11-12 | 2019-10-22 | 北汽福田汽车股份有限公司 | Differential assembly and vehicle |
-
2021
- 2021-06-23 CN CN202110697430.3A patent/CN113294506A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203335772U (en) * | 2012-12-31 | 2013-12-11 | 陕西汉德车桥有限公司 | Differential mechanism for drive axle |
| CN203035879U (en) * | 2013-01-09 | 2013-07-03 | 杨柳 | Truck drive axle differential assembly |
| JP2017044248A (en) * | 2015-08-25 | 2017-03-02 | 株式会社イケヤフォ−ミュラ | Differential device |
| CN207049282U (en) * | 2017-08-18 | 2018-02-27 | 山东汇金股份有限公司 | One kind is without sideshake differential assembly |
| CN208634306U (en) * | 2018-06-13 | 2019-03-22 | 中唐空铁科技有限公司 | A kind of differential mechanism |
| CN209524057U (en) * | 2018-11-12 | 2019-10-22 | 北汽福田汽车股份有限公司 | Differential assembly and vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115922220A (en) * | 2023-03-02 | 2023-04-07 | 山东国基泰祥汽车部件有限公司 | Fixed clamping fine adjustment seat for machining electric axle |
| CN115922220B (en) * | 2023-03-02 | 2023-05-05 | 山东国基泰祥汽车部件有限公司 | Electric axle processing, fixing, clamping and fine-tuning seat |
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