CN220198971U - Integral steering electric drive axle - Google Patents
Integral steering electric drive axle Download PDFInfo
- Publication number
- CN220198971U CN220198971U CN202321823487.4U CN202321823487U CN220198971U CN 220198971 U CN220198971 U CN 220198971U CN 202321823487 U CN202321823487 U CN 202321823487U CN 220198971 U CN220198971 U CN 220198971U
- Authority
- CN
- China
- Prior art keywords
- knuckle
- driving shaft
- bearing
- electric drive
- steering
- 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
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model provides an integral steering electric drive axle, includes knuckle and the front wheel hub of cover on knuckle back shaft, and the upper and lower both ends of C font knuckle back shaft are rotated through knuckle round pin and the upper and lower both ends of knuckle respectively, and the middle part of knuckle back shaft sets up the drive shaft and wears the mouth, and the one end of constant speed drive shaft assembly runs through drive shaft and wears mouthful and knuckle back shaft, and passes through flange and front wheel hub outer end fixed connection at the tip. The utility model not only can meet the structural strength, but also can ensure to meet the comprehensive performance requirements of bearing performance, steering performance, braking performance, NVH and the like under the multiple working conditions of the real vehicle load.
Description
Technical Field
The utility model relates to a front axle assembly of a vehicle, in particular to an integral steering electric drive axle.
Background
An automobile axle (also called an axle) is connected with a frame (or a bearing type automobile body) through a suspension, and wheels are arranged at two ends of the axle. The axle is used for bearing the load of the automobile and maintaining the normal running of the automobile on a road. The current load of the integral steering drive axle is more than 1.5T, and in the state that the space of the rear axle is limited, a steering drive front axle with small load is needed.
Disclosure of Invention
In order to solve the above problems, an object of the present utility model is to provide an integral steering electric transaxle.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides an integral steering electric drive axle, includes knuckle and the front wheel hub of cover on knuckle back shaft, and the upper and lower both ends of C font knuckle back shaft are rotated through knuckle round pin and the upper and lower both ends of knuckle respectively, and the middle part of knuckle back shaft sets up the drive shaft and wears the mouth, and the one end of constant speed drive shaft assembly runs through drive shaft and wears mouthful and knuckle back shaft, and passes through flange and front wheel hub outer end fixed connection at the tip.
Further, the constant velocity drive shaft assembly comprises a constant velocity drive shaft and a drive shaft, wherein the constant velocity drive shaft is in transmission connection with the drive shaft through a universal joint, and the drive shaft penetrates through the bearing.
Further, the driving shaft penetrates through a bearing sleeve in the bearing, and the outer ring of the bearing is fixedly connected with the bearing cover.
Further, a brake disc is fixed on the periphery of the front hub, and a gear ring is arranged on the outer side of the front hub in an inner cavity of the brake disc.
Further, the outer end of the connecting flange is covered with a hub cover, and the constant-speed driving shaft assembly is fixedly connected with the connecting flange in an inserting mode through a hexagonal column or a tetragonal column at the end portion.
Further, a thrust needle roller integrated bearing is sleeved on the knuckle pin between each end of the knuckle support frame and each end of the knuckle respectively.
Further, the outer ends of the knuckle pins at each end of the knuckle are respectively covered with a kingpin dust cover.
Further, pin lock bolts intersecting each knuckle pin are respectively provided in both ends of the knuckle support frame.
Further, the knuckle is provided with a limit bolt extending into a groove at an end of the knuckle support, the limit bolt being used to limit the swing range of the knuckle.
Further, a half-shaft oil seal is sleeved at the part of the constant-speed driving shaft assembly penetrating through the steering knuckle, an inner bearing and an outer bearing are respectively supported between the steering knuckle supporting shaft and the front hub, hub oil seals and steering knuckle nuts are respectively covered on the outer end faces of the inner bearing and the outer bearing, and locking gaskets are covered on the outer ends of the steering knuckle nuts.
Through the arrangement, the utility model optimizes the whole structure and connection through multi-wheel finite element structural strength, rigidity and multi-body dynamics analysis, the upper and lower ends of the C-shaped knuckle support frame are respectively connected with the upper and lower ends of the knuckle in a rotating way through knuckle pins, a driving shaft penetrating opening is arranged in the middle of the knuckle support frame, and the designed knuckle support frame structure not only can meet the structural strength, but also can meet the comprehensive performance requirements of bearing performance, steering performance, braking performance, NVH and the like under the multiple working conditions of a real vehicle load.
Drawings
The utility model will now be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
fig. 2 is a schematic cross-sectional front view of the constant velocity drive shaft assembly of the present utility model.
Detailed Description
As shown in fig. 1 and 2, an integral steering electric drive axle comprises a steering knuckle 7 and a front hub 3 sleeved on a supporting shaft 2 of the steering knuckle 7, wherein the upper end and the lower end of a C-shaped steering knuckle supporting frame 4 are respectively and rotatably connected with the upper end and the lower end of the steering knuckle 7 through a steering knuckle pin 5, a driving shaft penetrating opening 6 is formed in the middle part of the steering knuckle supporting frame 4, one end of a constant-speed driving shaft assembly 1 penetrates through the driving shaft penetrating opening 6 and the supporting shaft 2 of the steering knuckle 7, and the end of the constant-speed driving shaft assembly is fixedly connected with the outer end of the front hub 3 through a connecting flange 8.
Specifically: the constant-speed driving shaft assembly 1 comprises a constant-speed driving shaft 101 and a driving shaft 102, the constant-speed driving shaft 101 is in transmission connection with the driving shaft 102 through a universal joint 103, the universal joint 103 adopts a ball cage type universal joint structure with two spline ends and a 45-degree ball cage type middle part, the driving shaft 102 penetrates through a bearing 104, the driving shaft 102 penetrates through a bearing sleeve 105 in the bearing 104, and the outer ring of the bearing 104 is fixedly connected with a bearing cover 106.
A brake disc 9 is fixed on the periphery of the front hub 3, and a gear ring is arranged on the outer side of the front hub 3 in the inner cavity of the brake disc 9; the outer end of the connecting flange 8 is covered with a hub cover 10, and the constant-speed driving shaft assembly 1 is fixedly spliced with the connecting flange 8 through a hexagonal column or a tetragonal column at the end part; the steering knuckle pin 5 between each end of the steering knuckle support frame 4 and each end of the steering knuckle 7 is respectively sleeved with a thrust needle roller integrated bearing 11; the outer ends of the knuckle pins 5 at each end of the knuckle 7 are respectively covered with a kingpin dust cover 12; pin lock bolts 13 intersecting each knuckle pin 5 are respectively arranged in the two ends of the knuckle support frame 4; the knuckle 7 is provided with a limit bolt 14 extending into a recess in the end of the knuckle support 4, the limit bolt 14 being used to limit the range of oscillation of the knuckle 7.
The part of the constant-speed driving shaft assembly 1 penetrating through the knuckle 7 is sleeved with a half-shaft oil seal 15, an inner bearing 16 and an outer bearing 17 are respectively supported between the supporting shaft 2 of the knuckle 7 and the front hub 3, the outer end faces of the supporting inner bearing 16 and the outer bearing 17 are respectively covered with a hub oil seal 18 and a knuckle nut 19, and the outer end of the knuckle nut 19 is covered with a locking gasket.
The working principle of the utility model is as follows: the utility model adopts a three-section connecting structure, namely a main reduction box body, a left half shaft sleeve 2 and a right half shaft sleeve 3, the parts are connected by using stud bolts, the processing and assembling process of parts is simplified, the requirements of a host factory on large wheel base are met, the requirements of front axle assembly load and transmission ratio are met by optimizing transmission, particularly gear type and calculating and optimizing related parameters of the gear, and finally, the driving cavity 5 is connected with the hub general shell 10, and the sealing reliability is further improved on the premise of ensuring interchangeability by adopting the design of floating oil seal.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (10)
1. An integral steering electric drive axle, includes knuckle (7) and cover front wheel hub (3) on knuckle (7) back shaft (2), its characterized in that: the upper end and the lower end of the C-shaped knuckle support frame (4) are respectively connected with the upper end and the lower end of a knuckle (7) in a rotating way through knuckle pins (5), a driving shaft penetrating opening (6) is formed in the middle of the knuckle support frame (4), one end of the constant-speed driving shaft assembly (1) penetrates through the driving shaft penetrating opening (6) and the knuckle (7) to support a shaft (2), and the end of the constant-speed driving shaft assembly is fixedly connected with the outer end of the front hub (3) through a connecting flange (8).
2. An integral steering electric drive axle as defined in claim 1, wherein: the constant-speed driving shaft assembly (1) comprises a constant-speed driving shaft (101) and a driving shaft (102), wherein the constant-speed driving shaft (101) is in transmission connection with the driving shaft (102) through a universal joint (103), and the driving shaft (102) penetrates through a bearing (104).
3. An integral steering electric drive axle as defined in claim 2, wherein: the driving shaft (102) penetrates through a bearing sleeve (105) in the bearing (104), and the outer ring of the bearing (104) is fixedly connected with a bearing cover (106).
4. A one-piece steer electric drive as claimed in claim 3, wherein: a brake disc (9) is fixed on the periphery of the front hub (3), and a gear ring is arranged on the outer side of the front hub (3) in the inner cavity of the brake disc (9).
5. An integral steering electric drive axle as defined in claim 4 wherein: the outer end of the connecting flange (8) is covered with a hub cover (10), and the constant-speed driving shaft assembly (1) is fixedly connected with the connecting flange (8) in an inserting way through a hexagonal column or a tetragonal column at the end part.
6. An integral steering electric drive axle as defined in claim 1, wherein: the integral bearing (11) of the thrust needle roller is sleeved on the knuckle pin (5) between each end of the knuckle support frame (4) and each end of the knuckle (7) respectively.
7. An integral steering electric drive axle as defined in claim 1, wherein: the outer ends of the knuckle pins (5) at each end of the knuckle (7) are respectively covered with a kingpin dust cover (12).
8. An integral steering electric drive axle as defined in claim 1, wherein: pin locking bolts (13) which are intersected with each knuckle pin (5) are respectively arranged in two ends of the knuckle support frame (4).
9. An integral steering electric drive axle as defined in claim 1, wherein: the steering knuckle (7) is provided with a limit bolt (14) extending into a groove at the end of the steering knuckle support (4), and the limit bolt (14) is used for limiting the swing range of the steering knuckle (7).
10. An integral steering electric drive axle as defined in claim 1, wherein: the part of the constant-speed driving shaft assembly (1) penetrating through the steering knuckle (7) is sleeved with a half-shaft oil seal (15), an inner bearing (16) and an outer bearing (17) are respectively supported between the steering knuckle (7) supporting shaft (2) and the front hub (3), the outer side end surfaces of the inner bearing (16) and the outer bearing (17) are respectively covered with a hub oil seal (18) and a steering knuckle nut (19), and the outer end of the steering knuckle nut (19) is covered with a locking gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823487.4U CN220198971U (en) | 2023-07-12 | 2023-07-12 | Integral steering electric drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823487.4U CN220198971U (en) | 2023-07-12 | 2023-07-12 | Integral steering electric drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220198971U true CN220198971U (en) | 2023-12-19 |
Family
ID=89145880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321823487.4U Active CN220198971U (en) | 2023-07-12 | 2023-07-12 | Integral steering electric drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220198971U (en) |
-
2023
- 2023-07-12 CN CN202321823487.4U patent/CN220198971U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |