CN218702669U - Single-motor-driven bridge system with parallel shafts - Google Patents
Single-motor-driven bridge system with parallel shafts Download PDFInfo
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- CN218702669U CN218702669U CN202222711627.0U CN202222711627U CN218702669U CN 218702669 U CN218702669 U CN 218702669U CN 202222711627 U CN202222711627 U CN 202222711627U CN 218702669 U CN218702669 U CN 218702669U
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- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- 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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Abstract
A single electro-mechanical bridge system with parallel shafts is provided, which is composed of the following components: the first gear is connected with a motor shaft of the single motor; the first intermediate shaft is fixedly connected with a second gear and intermediate shaft joint teeth in sequence, and a third gear is sleeved on the first intermediate shaft in a relatively rotatable manner; the second intermediate shaft is coaxially arranged with the first intermediate shaft and is fixedly connected with a fourth gear; the differential mechanism comprises a differential gear and a differential case, the differential case is fixedly connected to a second intermediate shaft and driven by the second intermediate shaft, and the differential gear is connected with a first output half shaft and a second output half shaft; the parallel shaft is fixedly connected with a fifth gear and a sixth gear in sequence; the first wheel side speed reducing mechanism is connected between the first output half shaft and the first wheel; the second wheel side speed reducing mechanism is connected between the second output half shaft and a second wheel; and a synchronizing sleeve switchable between a first position and a second position. The system is driven by a single motor, and is simple and reliable to control.
Description
Technical Field
The utility model relates to a new energy automobile spare part field especially relates to a take single electromechanical bridge system that drives of parallel axis.
Background
The development of new energy automobiles is more and more emphasized by the nation. With the rapid development of the electric driving of medium and heavy commercial vehicles, the matching electric drive bridge system has gradually become the mainstream. However, the current electric drive bridge is difficult to meet the requirements of different road conditions on power and vehicle speed, and has the disadvantages of complex structure, low transmission efficiency, heavy weight and high cost.
Accordingly, there is a need to develop a single electro-mechanical bridge system with parallel axes to address one or more of the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, according to the present invention, there is provided a single electro-mechanical bridge system with parallel shafts, comprising:
the first gear is connected with a motor shaft of the single motor;
the first intermediate shaft is fixedly connected with a second gear and intermediate shaft joint teeth in sequence, and a third gear is sleeved on the first intermediate shaft in a relatively rotatable manner;
the second intermediate shaft is coaxially arranged with the first intermediate shaft and is fixedly connected with a fourth gear;
the differential mechanism comprises a differential gear and a differential case, the differential case is fixedly connected to a second intermediate shaft and driven by the second intermediate shaft, and the differential gear is connected with a first output half shaft and a second output half shaft;
the parallel shaft is fixedly connected with a fifth gear and a sixth gear in sequence;
the first wheel side speed reducing mechanism is connected between the first output half shaft and the first wheel;
the second wheel side speed reducing mechanism is connected between the second output half shaft and a second wheel; and
a synchronizing sleeve switchable between a first position and a second position;
the first gear is meshed with the second gear, the third gear is meshed with the fifth gear, and the fourth gear is meshed with the sixth gear; the synchronizing sleeve engages the third gear with the countershaft engaging teeth when in the first position and engages the countershaft engaging teeth with the fourth gear when in the second position.
According to a further aspect of the invention, the third gear is arranged between the second gear and the intermediate shaft engaging teeth.
According to the utility model discloses in another aspect, first output semi-axis passes second jackshaft and first jackshaft in proper order and is connected with first round of limit reduction gears.
According to another aspect of the present invention, the synchronizing sleeve may also be switched to an intermediate position and disengaged from the third gear and the fourth gear.
According to yet another aspect of the present invention, the first hub reduction mechanism includes a first planetary row and the second hub reduction mechanism includes a second planetary row.
According to another aspect of the present invention, the first planetary row includes a first sun gear, a first planet gear, a first ring gear, and a first carrier, the first ring gear being connected to the case.
According to the utility model discloses in another aspect, the second planet row includes second sun gear, second planet wheel, second ring gear and second planet carrier, and the second ring gear is connected in the box.
According to yet another aspect of the present invention, the parallel shaft is arranged between the first output half shaft and the single motor.
The utility model discloses can obtain following one or more technological effect:
1. the single motor is used for transmission, and the control is simple and reliable;
2. the gear group with one group of parallel shafts can realize high-low gear large-speed ratio switching;
3. the structure is simple, the transmission efficiency is high, the weight is light, and the cost is low;
4. the single motor is external, can increase the space of electricity drive bridge one side, is favorable to power battery's arrangement.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a single electro-mechanical bridge system with parallel axes according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of the first forward gear power transmission of a single electro-mechanical axle system with parallel shafts according to a preferred embodiment of the present invention.
Fig. 3 is a schematic diagram of the second forward gear power transmission of a single electro-mechanical axle system with parallel shafts according to a preferred embodiment of the present invention.
Detailed Description
The best mode of the present invention will be described in detail with reference to the accompanying drawings, wherein the detailed description is to be regarded as illustrative in nature and not as restrictive, and various changes and modifications may be made without departing from the spirit and scope of the present invention.
Example 1
In accordance with a preferred embodiment of the present invention, and with reference to fig. 1-3, there is provided a single electro-mechanical axle system with parallel axes, characterized by consisting of:
a first gear 13 connected to the motor shaft 12 of the single motor 11;
a first intermediate shaft 20 which is fixedly connected with a second gear 14 and intermediate shaft joint teeth 22 in sequence and is sleeved with a third gear 15 in a relatively rotatable manner;
a second intermediate shaft arranged coaxially with the first intermediate shaft 20 and fixedly connected with a fourth gear 19;
a differential 23 comprising a differential gear and a differential case, the differential case being fixedly connected to and driven by a second intermediate shaft, the differential gear being connected to a first output half shaft 24 and a second output half shaft 25;
a parallel shaft 17 fixedly connected with a fifth gear 16 and a sixth gear 18 in sequence;
a first wheel reduction mechanism connected between the first output axle shaft 24 and the first wheel 41;
a second wheel-side reduction mechanism connected between second output axle 25 and second wheel 42; and
a synchronizing sleeve 21 switchable between a first position and a second position;
wherein, the first gear 13 is meshed with the second gear 14, the third gear 15 is meshed with the fifth gear 16, and the fourth gear 19 is meshed with the sixth gear 18; the synchronizing sleeve 21 engages the third gear wheel 15 with the counter engaging teeth 22 when in the first position and the synchronizing sleeve 21 engages the counter engaging teeth 22 with the fourth gear wheel 19 when in the second position.
According to a further preferred embodiment of the invention, the third gear wheel 15 is arranged between the second gear wheel 14 and the counter shaft engaging teeth 22.
According to a further preferred embodiment of the present invention, the first output half shaft 24 is connected to the first wheel reduction mechanism through the second intermediate shaft and the first intermediate shaft 20 in sequence.
According to a further preferred embodiment of the invention, the synchronizing sleeve 21 can also be switched to an intermediate position and disengaged from the third gear 15 and the fourth gear 19.
According to a further preferred embodiment of the present invention, the first hub reduction mechanism includes a first planetary row, and the second hub reduction mechanism includes a second planetary row.
According to a further preferred embodiment of the present invention, the first planetary row comprises a first sun gear 30, a first planet gear 31, a first ring gear 32 and a first carrier 33, the first ring gear 32 being connected to the casing.
According to a further preferred embodiment of the invention, the second planetary gear set comprises a second sun gear 26, a second planet gear 27, a second ring gear 28 and a second planet carrier 29, the second ring gear 28 being connected to the housing.
According to a further preferred embodiment of the invention, said parallel shaft 17 is arranged between the first output half-shaft 24 and the single motor 11.
Referring to fig. 2, the first forward gear power transmission process, in which power is transmitted from the single motor 11 to the left and right wheels, is shown in thick black lines.
Referring to FIG. 3, a second forward gear power transfer process is illustrated. Further, shifting the synchronizing sleeve 21 to the middle, power interruption can be realized, thereby realizing neutral. The motor 11 is controlled to rotate reversely, the synchronous gear sleeve 21 is shifted to the left side, the power transmission process is consistent with the first forward gear, the output steering is opposite, and reverse gear is achieved.
The utility model discloses can obtain following one or more technological effect:
1. the single motor is used for transmission, and the control is simple and reliable;
2. the gear group with one group of parallel shafts can realize high-low gear large-speed ratio switching;
3. the structure is simple, the transmission efficiency is high, the weight is light, and the cost is low;
4. the single motor is external, can increase the space of electricity drive bridge one side, is favorable to power battery's arrangement.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A single electro-mechanical bridge system with parallel shafts is characterized by comprising the following components:
the first gear is connected with a motor shaft of the single motor;
the first intermediate shaft is fixedly connected with a second gear and intermediate shaft joint teeth in sequence, and is sleeved with a third gear in a relatively rotatable manner;
the second intermediate shaft is coaxially arranged with the first intermediate shaft and is fixedly connected with a fourth gear;
the differential mechanism comprises a differential gear and a differential case, the differential case is fixedly connected to a second intermediate shaft and driven by the second intermediate shaft, and the differential gear is connected with a first output half shaft and a second output half shaft;
the parallel shaft is fixedly connected with a fifth gear and a sixth gear in sequence;
the first wheel side speed reducing mechanism is connected between the first output half shaft and the first wheel;
the second wheel side speed reducing mechanism is connected between the second output half shaft and a second wheel; and
a synchronizing sleeve switchable between a first position and a second position;
the first gear is meshed with the second gear, the third gear is meshed with the fifth gear, and the fourth gear is meshed with the sixth gear; the synchronizing sleeve engages the third gear with the countershaft engaging teeth when in the first position and engages the countershaft engaging teeth with the fourth gear when in the second position.
2. The single electro-mechanical axle system with parallel shafts of claim 1 wherein a third gear is disposed between the second gear and the countershaft engaging teeth.
3. The single electro-mechanical axle system with parallel shafts of claim 2 wherein the first output axle shaft is connected to the first wheel reduction mechanism sequentially through the second intermediate shaft and the first intermediate shaft.
4. The single electro-mechanical axle system with parallel shafts of claim 3 wherein the synchronizing sleeve is further switchable to an intermediate position and disengaged from the third and fourth gears.
5. A single electro-mechanical axle system with parallel axes as defined in any one of claims 1 to 4 wherein the first wheel reduction mechanism comprises a first planet row and the second wheel reduction mechanism comprises a second planet row.
6. The single electro-mechanical axle system with parallel axes of claim 5 wherein the first planetary row comprises a first sun gear, a first planet gear, a first ring gear, and a first carrier, the first ring gear coupled to the housing.
7. The single electro-mechanical axle system with parallel shafts of claim 6, wherein the second planetary row includes a second sun gear, a second planet gear, a second ring gear, and a second planet carrier, the second ring gear being coupled to the housing.
8. The single electro-mechanical axle system with parallel shafts of claim 6, wherein the parallel shafts are disposed between the first output half shaft and the single motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711627.0U CN218702669U (en) | 2022-10-14 | 2022-10-14 | Single-motor-driven bridge system with parallel shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222711627.0U CN218702669U (en) | 2022-10-14 | 2022-10-14 | Single-motor-driven bridge system with parallel shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218702669U true CN218702669U (en) | 2023-03-24 |
Family
ID=85584471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222711627.0U Active CN218702669U (en) | 2022-10-14 | 2022-10-14 | Single-motor-driven bridge system with parallel shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218702669U (en) |
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2022
- 2022-10-14 CN CN202222711627.0U patent/CN218702669U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240313 Address after: No.8, Jiangfang Road, Changjiang Town, Rugao City, Nantong City, Jiangsu Province, 226500 Patentee after: Jiangsu Huayong composite materials Co.,Ltd. Country or region after: China Address before: 130000 No. 85 Puyang Street, Changchun Automobile Development Zone, Jilin Province (in the courtyard of Changchun automobile economic and Trade Development Zone Economic and Trade Corporation) Patentee before: Tomson (Jilin) Auto Parts Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |