CN223136881U - A welding structure of electric drive axle housing - Google Patents
A welding structure of electric drive axle housingInfo
- Publication number
- CN223136881U CN223136881U CN202422504095.2U CN202422504095U CN223136881U CN 223136881 U CN223136881 U CN 223136881U CN 202422504095 U CN202422504095 U CN 202422504095U CN 223136881 U CN223136881 U CN 223136881U
- Authority
- CN
- China
- Prior art keywords
- planet carrier
- differential
- axle housing
- housing
- welded
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Retarders (AREA)
Abstract
本实用新型涉及一种电驱桥壳体焊接结构，其包括左差速器壳、左行星架、右行星架、右差速器壳；左行星架的右端和右行星架的左端焊接固定，右行星架套装于左差速器壳的外部且焊接固定，右行星架的右端和右差速器壳的左端焊接固定，其通过对左右行星架和左右差速器壳体的布置结构和连接方式进行创兴，彼此之间采用焊接连接，将左右差速器壳和左右行星架布置为一体，减少螺栓使用，优化了壳体空间布置，降低了电驱桥重量，实现了轻量化。
The utility model relates to an electric drive axle housing welding structure, which comprises a left differential housing, a left planetary carrier, a right planetary carrier, and a right differential housing; the right end of the left planetary carrier and the left end of the right planetary carrier are welded and fixed, the right planetary carrier is sleeved on the outside of the left differential housing and welded and fixed, the right end of the right planetary carrier and the left end of the right differential housing are welded and fixed, and the left and right differential housings are arranged as a whole by innovating the arrangement structure and connection method of the left and right planetary carriers and the left and right differential housings, and the left and right differential housings are connected to each other by welding, so that the use of bolts is reduced, the housing space arrangement is optimized, the weight of the electric drive axle is reduced, and lightweight is achieved.
Description
Technical Field
The utility model relates to the technical field of automobile electric drive axle structure design, in particular to an electric drive axle shell welding structure.
Background
At present, the development of the electric drive axle speed reducer has compact and complex structural space arrangement and limited shell space arrangement. The planet carrier shells are connected through bolts, as shown in fig. 1, the differential shells are connected through bolts, as shown in fig. 2, the planet carriers are arranged separately from the differential shells, the occupied space is large, the weight is heavy, and the cost is high.
Disclosure of utility model
Based on the expression, the utility model provides an electric drive axle housing welding structure, which aims to solve the technical problems that in the prior art, the left and right differential housings are connected by bolts, the left and right planet carrier housings and the left and right differential housings are arranged separately, the occupied space is large, the weight is heavy, and the cost is high.
The technical scheme for solving the technical problems is as follows:
an electric drive axle housing welding structure comprises a left differential housing, a left planet carrier, a right planet carrier and a right differential housing;
the right end of the left planet carrier and the left end of the right planet carrier are welded and fixed, the right planet carrier is sleeved outside the left differential case and welded and fixed, and the right end of the right planet carrier and the left end of the right differential case are welded and fixed.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
The invention creates the arrangement structure and the connection mode of the left and right planet carriers and the left and right differential shells, adopts welding connection between the left and right differential shells and the left and right planet carriers, arranges the left and right differential shells and the left and right planet carriers as a whole, reduces the use of bolts, optimizes the space arrangement of the shells, reduces the weight of an electric drive bridge and realizes light weight.
On the basis of the technical scheme, the utility model can be improved as follows.
Further, the left differential case includes a cylindrical portion and a disc portion, the disc portion is coaxially connected to a right end of the cylindrical portion, a stepped hole is formed in the right carrier, and the stepped hole is disposed corresponding to an outer edge of the disc portion.
Further, the left planet carrier is sleeved on the left differential case and is not in contact with the left differential case.
Further, the welding between the left planet carrier and the right planet carrier, between the right planet carrier and the left differential case, and between the right planet carrier and the right differential case is laser welding.
Further, the right end of the left planet carrier and the left end of the right planet carrier are in butt joint with each other and have the same outer contour.
Further, the right end of the right planet carrier and the left end of the right differential case are butted with each other and have the same outer contour.
Drawings
FIG. 1 is a schematic diagram of a structure in which left and right planetary carriers are connected by bolts in the prior art;
FIG. 2 is a schematic view of a prior art structure in which left and right differential cases are bolted;
Fig. 3 is a schematic structural diagram of a welding structure of an electric drive axle housing according to an embodiment of the present application.
In the figures, 10, left differential case, 20, left carrier, 30, right carrier, 40, right differential case.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
As shown in fig. 3, an embodiment of the present application provides an electric drive axle housing welding structure including a left differential housing 10, a left carrier 20, a right carrier 30, and a right differential housing 40.
The right end of the left planet carrier 20 and the left end of the right planet carrier 30 are welded and fixed, the right planet carrier 30 is sleeved outside the left differential case 10 and welded and fixed, and the right end of the right planet carrier 30 and the left end of the right differential case 40 are welded and fixed.
In a preferred embodiment of the present application, the left differential case 10 includes a cylindrical portion 11 and a disc portion 12, the disc portion 12 is coaxially connected to the right end of the cylindrical portion 11, a stepped hole 301 is formed in the right carrier 30, and the stepped hole 301 is disposed corresponding to the outer edge of the disc portion 12.
By the structural design, the contact area between the right planet carrier 30 and the left differential case 10 is increased, and the stability of the welded structure is ensured.
The left carrier 20 is sleeved on the left differential case 10 and is not in contact with the left differential case 10, and the right end of the left carrier 20 and the left end of the right carrier 30 are butted with each other and have the same outer contour.
Further, the welding between the left planet carrier 20 and the right planet carrier 30, between the right planet carrier 30 and the left differential case 10, and between the right planet carrier 30 and the right differential case 40 is laser welding, preferably laser brazing welding, and the right end of the right planet carrier 30 and the left end of the right differential case 40 are butted with each other and have the same outer contour.
The invention creates the arrangement structure and the connection mode of the left and right planet carriers and the left and right differential shells, adopts welding connection between the left and right differential shells and the left and right planet carriers, arranges the left and right differential shells and the left and right planet carriers as a whole, reduces the use of bolts, optimizes the space arrangement of the shells, reduces the weight of an electric drive bridge and realizes light weight.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (6)
1. The electric drive axle housing welding structure is characterized by comprising a left differential housing, a left planet carrier, a right planet carrier and a right differential housing;
the right end of the left planet carrier and the left end of the right planet carrier are welded and fixed, the right planet carrier is sleeved outside the left differential case and welded and fixed, and the right end of the right planet carrier and the left end of the right differential case are welded and fixed.
2. The electrically driven axle housing welding structure according to claim 1, wherein the left differential case includes a cylindrical portion and a disc portion coaxially connected to a right end of the cylindrical portion, the right carrier being internally formed with a stepped hole provided in correspondence with an outer edge of the disc portion.
3. The electrically driven axle housing weld structure of claim 1, wherein the left planet carrier is nested within and out of contact with the left differential housing.
4. The electrically driven axle housing weld structure of claim 1, wherein the welds between the left and right carriers, the right and left differential housings are all laser welds.
5. The electrically driven axle housing weld structure of claim 1, wherein the right end of the left planet carrier and the left end of the right planet carrier are butted against each other and have a uniform outer contour.
6. The electrically driven axle housing weld structure of claim 1, wherein the right end of the right planet carrier and the left end of the right differential housing are butted against each other and have identical outer contours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422504095.2U CN223136881U (en) | 2024-10-16 | 2024-10-16 | A welding structure of electric drive axle housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422504095.2U CN223136881U (en) | 2024-10-16 | 2024-10-16 | A welding structure of electric drive axle housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223136881U true CN223136881U (en) | 2025-07-22 |
Family
ID=96417808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422504095.2U Active CN223136881U (en) | 2024-10-16 | 2024-10-16 | A welding structure of electric drive axle housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223136881U (en) |
-
2024
- 2024-10-16 CN CN202422504095.2U patent/CN223136881U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |