CN114508580A - Differential mechanism inner rotating gear and machining method thereof - Google Patents
Differential mechanism inner rotating gear and machining method thereof Download PDFInfo
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- CN114508580A CN114508580A CN202210176605.0A CN202210176605A CN114508580A CN 114508580 A CN114508580 A CN 114508580A CN 202210176605 A CN202210176605 A CN 202210176605A CN 114508580 A CN114508580 A CN 114508580A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title description 7
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 26
- 230000008595 infiltration Effects 0.000 claims description 12
- 238000001764 infiltration Methods 0.000 claims description 12
- 238000005496 tempering Methods 0.000 claims description 12
- 238000010791 quenching Methods 0.000 claims description 9
- 230000000171 quenching effect Effects 0.000 claims description 9
- 238000005553 drilling Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a differential internal rotation gear, which comprises a bearing shaft and an installation shell which are sequentially connected from left to right, wherein the bearing shaft and the installation shell are both cylindrical cavities, the left end side of the installation shell is provided with an annular gear part, the outer side surface of the installation shell is provided with an annular hole in a penetrating manner, the inner cavity of the installation shell comprises a first step cavity and a second step cavity which are sequentially communicated, and the inner side of the second step cavity is arc-shaped; the bearing shaft and the mounting shell are integrally processed; this integrated into one piece's differential mechanism internal rotation gear reduces fastening connection's complicated installation procedure, and then reduces the differential mechanism error, reduces the whole weight of differential mechanism internal rotation gear simultaneously, reduces the kinetic energy loss among the differential mechanism motion process. Meanwhile, the invention also provides a method for processing the internal rotating gear of the differential, which ensures the precision and the strength of the internal rotating gear of the differential, simultaneously enhances the manufacturing efficiency and reduces the production cost.
Description
Technical Field
The invention relates to the technical field of differentials, in particular to a differential inner rotating gear and a machining method thereof.
Background
Currently, a differential is provided with an inner rotating shell structure and a driven gear connected with the inner rotating shell structure, wherein the inner rotating shell structure and the driven gear are manufactured separately in the manufacturing process, and are fastened together through bolts during assembly; while this is possible, such a configuration may suffer from the following disadvantages: 1. after the inward-turning shell structure and the driven gear are manufactured and molded respectively, the inward-turning shell structure and the driven gear are fastened and connected through bolts, so that the assembly steps are complicated, the labor time of workers is increased, and the assembly efficiency is reduced; meanwhile, the formed rotary shell structure and the formed driven gear are manufactured respectively, so that the cost is higher; 2. adopt bolted connection, in the use, because receive the influence of the circumstances such as vibrations, bolted connection department is easy not hard up, leads to driven gear to appear skidding the phenomenon, and in the time of serious, causes differential mechanism assembly to damage, influences differential mechanism quality.
In CN 111637209a, an invention patent application entitled "integral differential case" is disclosed, which comprises a differential case integrally in a spherical shell structure, half-shaft gear holes are respectively arranged on the left and right sides of the differential case, and planetary shaft holes are respectively arranged on the vertical two sides of the differential case; a main reduction gear is sleeved outside the left side of the differential shell, and the axis of the main reduction gear is superposed with the axes of the two half axle gear holes; and the differential case and the main reduction gear are integrally formed. Because the integral machining of the internal rotating gear of the differential has higher requirement on the machining precision, the integral quality of the internal rotating gear of the differential is difficult to ensure by adopting the traditional machining method, errors such as coaxiality and the like are easy to generate, and the manufacturing cost is higher. Disclosure of Invention
The invention aims to provide a differential inner rotating gear and a processing method thereof, which can improve the processing quality of the differential inner rotating gear and reduce the manufacturing cost.
The invention provides a differential mechanism internal rotation gear which comprises a bearing shaft and an installation shell which are sequentially connected from left to right, wherein the bearing shaft and the installation shell are cylindrical cavities, the left end side of the installation shell is provided with an annular gear part, an annular hole is arranged on the outer side surface of the installation shell in a penetrating manner, the inner cavity of the installation shell comprises a first step cavity and a second step cavity which are sequentially communicated, and the inner side of the second step cavity is arc-shaped; the bearing shaft and the mounting shell are integrally processed.
According to the internal rotating gear of the differential, the right end face of the mounting shell is provided with the bolt holes and the pin holes, and the bolt holes are arranged in a plurality and are uniformly distributed in the mounting shell.
In order to further reduce the overall weight of the internal gear of the differential, the side surface of the mounting housing is provided with a relief groove.
Has the advantages that: the invention provides an integrally formed differential inner rotating gear which has the following beneficial effects: 1. the fastening connection between the inner rotary body and the driven gear is reduced, the assembly steps are simplified, and the assembly efficiency is improved; 2. the coaxiality is guaranteed by integral forming; 3. reduce accessories such as bolt to reduce differential mechanism internal rotation gear's whole weight, reduce the kinetic energy loss in the differential mechanism motion process.
The invention also provides a processing method of the internal rotating gear of the differential mechanism, which comprises the following steps:
s1, preparing an original blank of the internal rotating gear of the differential;
s2, fixing the original blank, turning two end faces of the original blank to the size, and roughly turning to form the bearing shaft and the outer circle of the mounting shell;
s3, fixing the inner rotary body of the differential obtained in S2, and turning the end face of the right end of the bearing shaft to form an annular tool withdrawal groove;
s4, fixing the inner rotary body of the differential obtained in S3, and turning to form a bearing shaft and an inner cavity of the mounting shell;
s5, fixing the differential inner rotary body obtained in S4, turning from the right end face of the differential inner rotary body to form a step for mounting a first step cavity and a second step cavity of the inner cavity of the shell, and turning to form an arc shape at the second step cavity;
s6, fixing the differential inner rotary body obtained in the step S5, and drilling holes on the right end face of the mounting shell to form bolt holes and pin holes;
s7, fixing the differential inner rotary body obtained in the step S6, and drilling holes in the side face of the differential inner rotary body to form a shaft hole and an oil inlet hole;
s8, fixing the differential inner rotary body obtained in S7, and milling a gear-shaped annular gear part on the side surface of the mounting shell;
s9, carrying out heat treatment on the differential internal rotation gear obtained in the step S8;
s10: fixing the obtained differential inner rotating gear in S9, and finely turning to form an annular groove of the outer ring of the bearing position;
s11: and fixing the internal rotating gear of the differential obtained in the step S10, and honing to form an inner hole of the bearing position.
In order to improve the hardness and wear resistance of the inner rotor gear, the heat treatment process of S9 includes the following steps: 1) preheating; 2) heating treatment; 3) strong infiltration treatment; 4) quenching treatment; 5) and (6) tempering.
In order to further improve the heat treatment effect, in the step 1), preheating a heating furnace, adjusting the temperature to 480-500 ℃, and preheating for 1.5-2.5 hours; in the step 2), heating in a heating furnace, adjusting the temperature to 860-870 ℃, and heating for 1.5-2.5 hours; in the step 3), during the strong infiltration treatment, the strong infiltration temperature is 880-900 ℃, and the strong infiltration time is 2.5 hours; in the step 4), during quenching treatment, the temperature is reduced to 840 ℃, and the quenching time is 2 hours; in the step 5), during tempering treatment, the tempering temperature is 170 ℃ and the tempering time is 2.5-3 hours.
According to the method for processing the internal rotating gear of the differential, the raw blank is integrally formed by casting in the step S1.
The invention provides a method for processing a rotating gear in a differential mechanism, which has the following beneficial effects: 1. the coaxiality of the steel pipe is ensured by adopting integral processing and forming; 2. the heat treatment is carried out on the differential mechanism internal rotation gear after the gear milling, so that the overall strength and the wear resistance of the differential mechanism internal rotation gear are improved; 3. the differential mechanism inner rotation gear is integrally formed, and the production cost is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a schematic view of an internal transfer gear of the differential of the present invention;
FIG. 2 is a front view of an internal transfer gear of the differential of the present invention;
FIG. 3 is a bottom view of the inner transfer gear of the differential of the present invention;
fig. 4 is a cross-sectional view of an internal transfer gear of the differential of the present invention.
In the figure: 1. bearing shaft, 2, mounting housing, 21, first step cavity, 22, second step cavity, 23, annular gear portion, 24, annular hole, 25 bolt hole, 26, pin hole, 27, tool withdrawal groove.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
Referring to fig. 1-4, a differential internal rotation gear is provided, which comprises a bearing shaft 1 and a mounting shell 2 connected in sequence from left to right, wherein the bearing shaft 1 and the mounting shell 2 are both cylindrical cavities, the left end side of the mounting shell 2 is provided with an annular gear portion 23, an annular hole 24 is arranged on the outer side surface of the mounting shell 2 in a penetrating manner, the inner cavity of the mounting shell 2 comprises a first step cavity 21 and a second step cavity 22 which are communicated in sequence, and the inner side of the second step cavity 22 is arc-shaped; the bearing shaft 1 and the mounting shell 2 are integrally processed.
Compared with the differential mechanism internal rotating gear in the prior art, the differential mechanism internal rotating gear is integrally formed, so that the complex connecting and mounting steps of bolt connection or welding connection are avoided, the production efficiency of the differential mechanism internal rotating gear is improved, and the labor amount of workers is reduced; differential errors caused by the connection step are avoided; meanwhile, accessories such as bolts are reduced, so that the overall weight of a rotating gear in the differential is reduced, and the kinetic energy loss in the motion process of the differential is reduced.
Further, the right end face of the installation shell 2 is provided with a bolt hole 25 and a pin hole 26, and the bolt hole 25 is provided in a plurality of and evenly distributed in the installation shell 2.
Further, the side surface of the mounting case 2 has a relief groove 27. The tool withdrawal grooves 27 are annularly distributed on the side surface of the mounting shell 2, so that the overall quality of the gear arranged in the differential is further reduced on the basis of ensuring the overall quality of the internal rotating gear of the differential.
The invention also provides a processing method of the internal rotating gear of the differential mechanism, which comprises the following steps:
s1, preparing an original blank of the internal rotating gear of the differential;
s2, fixing the original blank, turning two end faces of the original blank to the size, and roughly turning to form the bearing shaft 1 and the outer circle of the mounting shell 2;
s3, fixing the differential inner rotary body obtained in the step S2, and turning the end face of the right end of the bearing shaft 1 to form an annular tool withdrawal groove 27;
s4, fixing the inner rotary body of the differential obtained in S3, and turning to form an inner cavity of the bearing shaft 1 and the mounting shell 2;
s5, fixing the differential inner rotary body obtained in S4, turning the right end face of the differential inner rotary body to form a step of a first step cavity 21 and a second step cavity 22 of the inner cavity of the mounting shell 2, and turning to form an arc shape at the position of the second step cavity 22;
s6, fixing the differential inner rotary body obtained in the step S5, and drilling holes on the right end face of the mounting shell 2 to form a bolt hole 25 and a pin hole 26;
s7, fixing the differential inner rotary body obtained in the step S6, and drilling holes in the side face of the differential inner rotary body to form a shaft hole and an oil inlet hole;
s8, fixing the differential inner rotary body obtained in S7, and milling teeth on the side surface of the mounting shell 2 to form an annular gear part 23;
s9, carrying out heat treatment on the differential internal rotation gear obtained in the step S8;
s10: fixing the obtained differential inner rotating gear in S9, and finely turning to form an annular groove of the outer ring of the bearing position;
s11: and fixing the internal rotating gear of the differential obtained in the step S10, and honing to form an inner hole of the bearing position.
Preferably, the process of the heat treatment of S9 in the above processing method includes the steps of: the process of the heat treatment of S9 includes the steps of: 1, preheating treatment; 2, heating treatment; 3, strong infiltration treatment; 4, quenching treatment; 5 tempering treatment.
Further, in the step 1, preheating the heating furnace, adjusting the temperature to 480-500 ℃, and preheating for 1.5-2.5 hours; step 2, heating in a heating furnace, adjusting the temperature to 860-870 ℃, and heating for 1.5-2.5 hours; in the step 3, during the strong infiltration treatment, the strong infiltration temperature is 880-900 ℃, and the strong infiltration time is 2.5 hours; in the step 4, during quenching treatment, the temperature is reduced to 840 ℃, and the quenching time is 2 hours; in the step 5, during tempering treatment, the tempering temperature is 170 ℃, and the tempering time is 2.5-3 hours.
Through carrying out heat treatment to the differential mechanism internal rotation gear after milling the tooth, promote differential mechanism internal rotation gear bulk strength and abrasion resistance.
Preferably, the raw blank in S1 is integrally formed by casting. The original blank which accords with the internal rotating gear of the differential is obtained through casting, and then subsequent integrated processing is carried out on the blank, so that the quality of the internal rotating gear of the differential is ensured.
By the method, the differential inner rotating gear is integrally formed, the manufacturing cost is reduced through the integral forming, errors such as coaxiality and the like generated by the inner rotating gear in the machining process are reduced, the accuracy of the inner rotating gear is improved, the strength and the wear resistance of the inner rotating gear are improved through heat treatment, and the use quality of the differential is ensured.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. An inner rotating gear of a differential mechanism is characterized by comprising a bearing shaft (1) and an installation shell (2) which are sequentially connected from left to right, wherein the bearing shaft (1) and the installation shell (2) are cylindrical cavities, the left end side of the installation shell (2) is provided with an annular gear part (23), an annular hole (24) penetrates through the outer side surface of the installation shell (2), the inner cavity of the installation shell (2) comprises a first step cavity (21) and a second step cavity (22) which are sequentially communicated, and the inner side of the second step cavity (22) is arc-shaped; the bearing shaft (1) and the mounting shell (2) are integrally processed.
2. A differential inner rotary gear according to claim 1, wherein the right end face of the mounting case (2) has bolt holes (25) and pin holes (26), and the bolt holes (25) are provided in plural and uniformly distributed in the mounting case (2).
3. A differential inner transfer gear according to claim 1, wherein a relief groove (27) is provided on a side surface of the mounting case (2).
4. A method for processing a rotating gear in a differential, which is characterized by comprising the following steps:
s1, preparing an original blank of the internal rotating gear of the differential;
s2, fixing the original blank, turning two end faces of the original blank to the size, and roughly turning to form the bearing shaft (1) and the excircle of the mounting shell (2);
s3, fixing the differential inner rotary body obtained in the step S2, and turning the end face of the right end of the bearing shaft (1) to form an annular tool withdrawal groove (27);
s4, fixing the inner rotary body of the differential obtained in the step S3, and turning to form an inner cavity of the bearing shaft (1) and the mounting shell (2);
s5, fixing the differential inner rotary body obtained in the step S4, turning the right end face of the differential inner rotary body to form a step of a first step cavity (21) and a second step cavity (22) of the inner cavity of the mounting shell (2), and turning to form an arc shape at the second step cavity (22);
s6, fixing the differential inner rotary body obtained in the S5, and drilling a hole on the right end face of the mounting shell (2) to form a bolt hole (25) and a pin hole (26);
s7, fixing the differential inner rotary body obtained in the step S6, and drilling holes in the side face of the differential inner rotary body to form a shaft hole and an oil inlet hole;
s8, fixing the differential inner rotary body obtained in S7, and milling teeth on the side surface of the mounting shell (2) to form an annular gear part (23);
s9, carrying out heat treatment on the differential internal rotation gear obtained in the step S8;
s10: fixing the obtained differential inner rotating gear in S9, and finely turning to form an annular groove of the outer ring of the bearing position;
s11: and fixing the internal rotating gear of the differential obtained in the step S10, and honing to form an inner hole of the bearing position.
5. The method of manufacturing a differential internal gear according to claim 4, wherein the heat treatment of S9 comprises the steps of: 1) preheating; 2) heating treatment; 3) strong infiltration treatment; 4) quenching treatment; 5) and (6) tempering.
6. The method of claim 5, wherein: in the step 1), preheating a heating furnace, adjusting the temperature to 480-500 ℃, and preheating for 1.5-2.5 hours; in the step 2), heating in a heating furnace, adjusting the temperature to 860-870 ℃, and heating for 1.5-2.5 hours; in the step 3), during the strong infiltration treatment, the strong infiltration temperature is 880-900 ℃, and the strong infiltration time is 2.5 hours; in the step 4), during quenching treatment, the temperature is reduced to 840 ℃, and the quenching time is 2 hours; in the step 5), during tempering treatment, the tempering temperature is 170 ℃ and the tempering time is 2.5-3 hours.
7. The method of claim 6, wherein the raw blank in S1 is integrally formed by casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210176605.0A CN114508580A (en) | 2022-02-25 | 2022-02-25 | Differential mechanism inner rotating gear and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210176605.0A CN114508580A (en) | 2022-02-25 | 2022-02-25 | Differential mechanism inner rotating gear and machining method thereof |
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| Publication Number | Publication Date |
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| CN114508580A true CN114508580A (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210176605.0A Pending CN114508580A (en) | 2022-02-25 | 2022-02-25 | Differential mechanism inner rotating gear and machining method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189845A (en) * | 2023-10-09 | 2023-12-08 | 杭州吉利机械有限公司 | Differential case for automatic transmission and processing method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1219865A1 (en) * | 2000-12-29 | 2002-07-03 | Johann Hay GmbH & Co. KG, Automobiltechnik | A differential assembly and method for producing the same |
| CN102059504A (en) * | 2010-10-29 | 2011-05-18 | 鞠小平 | Method for processing differential case with end face teeth |
| CN202965954U (en) * | 2012-12-21 | 2013-06-05 | 重庆富瑞机械制造有限公司 | Inner rotating body structure of rear axle assistor |
| CN203500421U (en) * | 2013-06-19 | 2014-03-26 | 重庆隆旺机电有限责任公司 | Differential mechanism with integral shell |
| CN203627711U (en) * | 2013-06-19 | 2014-06-04 | 重庆隆旺机电有限责任公司 | Integral housing of differential mechanism |
| CN105154633A (en) * | 2015-10-26 | 2015-12-16 | 江苏保捷锻压有限公司 | Rapid carburizing heat treatment technology of driving gear for automobile differential mechanism |
| CN204900773U (en) * | 2015-08-26 | 2015-12-23 | 重庆钟华机械有限责任公司 | Easy manufacturing's differential mechanism casing |
| JP2017003125A (en) * | 2016-10-05 | 2017-01-05 | 武蔵精密工業株式会社 | Differential gear |
| CN209370400U (en) * | 2018-11-29 | 2019-09-10 | 一汽解放汽车有限公司 | A kind of electric drive axle differential assembly |
| CN110259910A (en) * | 2019-07-25 | 2019-09-20 | 株洲齿轮有限责任公司 | Differential casing and differential mechanism |
| CN112692520A (en) * | 2020-12-21 | 2021-04-23 | 银峰铸造（芜湖）有限公司 | Differential housing machining process |
| CN112780747A (en) * | 2021-01-07 | 2021-05-11 | 广西汽车集团有限公司 | Front axle differential mechanism shell and front axle differential mechanism of four-wheel drive vehicle |
| CN213685179U (en) * | 2020-10-17 | 2021-07-13 | 合普动力股份有限公司 | Differential housing for vehicle reduction gearbox |
-
2022
- 2022-02-25 CN CN202210176605.0A patent/CN114508580A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1219865A1 (en) * | 2000-12-29 | 2002-07-03 | Johann Hay GmbH & Co. KG, Automobiltechnik | A differential assembly and method for producing the same |
| CN102059504A (en) * | 2010-10-29 | 2011-05-18 | 鞠小平 | Method for processing differential case with end face teeth |
| CN202965954U (en) * | 2012-12-21 | 2013-06-05 | 重庆富瑞机械制造有限公司 | Inner rotating body structure of rear axle assistor |
| CN203500421U (en) * | 2013-06-19 | 2014-03-26 | 重庆隆旺机电有限责任公司 | Differential mechanism with integral shell |
| CN203627711U (en) * | 2013-06-19 | 2014-06-04 | 重庆隆旺机电有限责任公司 | Integral housing of differential mechanism |
| CN204900773U (en) * | 2015-08-26 | 2015-12-23 | 重庆钟华机械有限责任公司 | Easy manufacturing's differential mechanism casing |
| CN105154633A (en) * | 2015-10-26 | 2015-12-16 | 江苏保捷锻压有限公司 | Rapid carburizing heat treatment technology of driving gear for automobile differential mechanism |
| JP2017003125A (en) * | 2016-10-05 | 2017-01-05 | 武蔵精密工業株式会社 | Differential gear |
| CN209370400U (en) * | 2018-11-29 | 2019-09-10 | 一汽解放汽车有限公司 | A kind of electric drive axle differential assembly |
| CN110259910A (en) * | 2019-07-25 | 2019-09-20 | 株洲齿轮有限责任公司 | Differential casing and differential mechanism |
| CN213685179U (en) * | 2020-10-17 | 2021-07-13 | 合普动力股份有限公司 | Differential housing for vehicle reduction gearbox |
| CN112692520A (en) * | 2020-12-21 | 2021-04-23 | 银峰铸造（芜湖）有限公司 | Differential housing machining process |
| CN112780747A (en) * | 2021-01-07 | 2021-05-11 | 广西汽车集团有限公司 | Front axle differential mechanism shell and front axle differential mechanism of four-wheel drive vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189845A (en) * | 2023-10-09 | 2023-12-08 | 杭州吉利机械有限公司 | Differential case for automatic transmission and processing method thereof |
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Application publication date: 20220517 |