CN209820769U - New forms of energy pure electric automobile electric drive assembly detection device - Google Patents
New forms of energy pure electric automobile electric drive assembly detection device Download PDFInfo
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- CN209820769U CN209820769U CN201921023088.3U CN201921023088U CN209820769U CN 209820769 U CN209820769 U CN 209820769U CN 201921023088 U CN201921023088 U CN 201921023088U CN 209820769 U CN209820769 U CN 209820769U
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- load motor
- gearbox
- connecting shaft
- drive assembly
- shaft
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 239000006247 magnetic powder Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 8
- 239000006249 magnetic particle Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a new forms of energy pure electric automobile electric drive assembly detection device, it includes the bottom plate, driving motor, the gearbox, first load motor and second load motor set up respectively in the relative both sides of gearbox, driving motor sets up at second load motor homonymy, driving motor is connected with first connecting axle with the gearbox, install first rotational speed torque sensor on the first connecting axle, be connected with interconnect's first semi-axis and second connecting axle between gearbox and the first load motor, install second rotational speed torque sensor on the second connecting axle, be connected with interconnect's second semi-axis and third connecting axle between gearbox and the second load motor, install third rotational speed torque sensor on the third connecting axle. Through first load motor and second load motor setting in the both sides of gearbox power take off end, driving motor sets up the homonymy at second load motor, simple structure, the installation of being convenient for, the precision is high.
Description
Technical Field
The utility model relates to a gearbox technical field especially relates to a new forms of energy pure electric vehicles electric drive assembly detection device.
Background
At present, with the continuous development of social economy, new energy pure electric vehicles are more and more concerned by people, and an electric drive assembly is the core of the new energy pure electric vehicles, and the transmission performance of the new energy pure electric vehicles needs to be detected after the new energy pure electric vehicles are produced. The electric drive assembly generally refers to a gearbox, and plays a role in transmitting power, and the quality of the gearbox is directly related to the running performance of an automobile. However, the testing process is not strict, and the type of the tested gearbox and the bench testing mode are various. These factors all affect the pertinence and accuracy of the test result, and are not beneficial to gearbox development. In addition, the structure of the current detection device for the electric drive assembly of the new-energy pure electric vehicle is complex, the installation is difficult, the connection precision among all parts is difficult to ensure, and the production and the processing are not facilitated while the detection result is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, a new energy pure electric vehicle electric drive assembly detection device with a simple structure is needed to be provided.
The utility model provides a technical scheme that its technical problem adopted is: a new energy pure electric automobile electric drive assembly detection device comprises a bottom plate, a drive motor, a gearbox, a first load motor and a second load motor, wherein the drive motor, the gearbox, the first load motor and the second load motor are installed on the bottom plate, the first load motor and the second load motor are respectively arranged on two opposite sides of the gearbox, the drive motor is arranged on the same side of the second load motor, the drive motor and the power input end of the gearbox are connected with a first connecting shaft, a first rotating speed torque sensor is installed on the first connecting shaft, a first half shaft and a second connecting shaft which are connected with each other are connected between the power output end of the gearbox and the first load motor, a second rotating speed torque sensor is installed on the second connecting shaft, and a second half shaft and a third connecting shaft which are connected with each other are connected between the power output end of the gearbox and the second load motor, and a third rotating speed and torque sensor is mounted on the third connecting shaft.
Furthermore, the first half shaft is connected with the power output end of the gearbox, the second connecting shaft is connected with the output end of the first load motor, the second half shaft is connected with the power output end of the gearbox, and the third connecting shaft is connected with the output end of the second load motor.
Furthermore, the detection device for the electric drive assembly of the new-energy pure electric vehicle further comprises a first support, a second support, a third support and a fourth support, the driving motor is fixedly installed on the bottom plate through the first support, the gearbox is fixedly installed on the bottom plate through the second support, and the first load motor and the second load motor are fixedly installed on the bottom plate through the third support and the fourth support.
Further, a first magnetic powder brake is arranged on the first load motor, a second magnetic powder brake is arranged on the second load motor, and the first magnetic powder brake and the second magnetic powder brake apply braking torque to the first load motor and the second load motor.
Further, the first connecting shaft comprises a first shaft section and a second shaft section, a first coupler is arranged between the first shaft section and the second shaft section, and the first coupler is used for connecting the first shaft section and the second shaft section.
Further, the cover is equipped with first mount pad on the first shaft part, fixed mounting has on the first mount pad first rotational speed torque sensor, the bottom of first mount pad is provided with first base, the upper end of first base with first mount pad is connected, the lower extreme of first base with the bottom plate is connected.
Furthermore, a second coupling is arranged between the second connecting shaft and the output end of the first load motor, and the second coupling is used for connecting the first load motor and the second connecting shaft.
Further, the second connecting shaft is sleeved with a second mounting seat, the second mounting seat is fixedly provided with the second rotating speed and torque sensor, a second base is arranged at the bottom of the second mounting seat, the upper end of the second base is connected with the second mounting seat, and the lower end of the second base is connected with the bottom plate.
Furthermore, a third coupling is arranged between the third connecting shaft and the output end of the second load motor, and the third coupling is used for connecting the second load motor and the third connecting shaft.
Further, the third connecting shaft is sleeved with a third mounting seat, the third mounting seat is fixedly provided with a third rotating speed and torque sensor, a third base is arranged at the bottom of the third mounting seat, the upper end of the third base is connected with the third mounting seat, and the lower end of the third base is connected with the bottom plate.
The utility model has the advantages that: the utility model provides a new forms of energy pure electric vehicles electric drive assembly detection device, through setting up first load motor and second load motor in gearbox power take off's both sides, driving motor sets up the homonymy at second load motor, moreover, the steam generator is simple in structure, the installation of being convenient for, the precision is high, do benefit to production and processing, transmit the moment of torsion of gearbox for first load motor and second load motor through first semi-axis and second semi-axis simultaneously, can simulate the sight of car in actual operation better, make the testing result more accurate.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the new energy pure electric vehicle electric drive assembly detection device of the present invention;
fig. 2 is a schematic structural diagram of a position a in the electric drive assembly detection device of the new energy electric vehicle shown in fig. 1.
The names and the numbers of the parts in the figure are respectively as follows:
bottom plate 1 driving motor 2 gearbox 3
First load motor 4 second load motor 5 first bracket 21
Second bracket 31 third bracket 41 fourth bracket 51
First magnetic powder brake 43 first connecting shaft 6 first shaft section 61
Second shaft section 62 first coupling 63 first mount 64
First rotational speed torque sensor 65 first base 66 first axle 7
Second connecting shaft 8 and second coupling 42 and second mounting seat 81
Second rotational speed torque sensor 82 second base 83 second axle shaft 9
Third connecting shaft 10 third coupling 52 third mounting seat 101
Third rotational speed torque sensor 102 third base 103 second magnetic particle brake 53
Detailed Description
The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.
Please refer to fig. 1 and 2, the utility model provides a new forms of energy pure electric automobile electric drive assembly detection device for detect gearbox 3, it includes bottom plate 1, driving motor 2, gearbox 3, first load motor 4 and second load motor 5, bottom plate 1 is the cuboid plate, driving motor 2, gearbox 3, first load motor 4 and second load motor 5 are all installed on bottom plate 1, first load motor 4 and second load motor 5 set up the both sides at 3 power take off ends of gearbox, driving motor 2 sets up the homonymy at second load motor 5.
In addition, the new energy pure electric automobile electric drive assembly detection device further comprises a first support 21, a second support 31, a third support 41 and a fourth support 51, the driving motor 2 is fixedly installed on the bottom plate 1 through the first support 21, the gearbox 3 is fixedly installed on the bottom plate 1 through the second support 31, and the first load motor 4 and the second load motor 5 are fixedly installed on the bottom plate 1 through the third support 41 and the fourth support 51.
The first load motor 4 is provided with a first magnetic particle brake 43, the second load motor 5 is provided with a second magnetic particle brake 53, and when in use, the first magnetic particle brake 43 and the second magnetic particle brake 53 apply a braking torque to the first load motor 4 and the second load motor 5.
Be provided with first connecting axle 6 between driving motor 2 and the gearbox 3, first connecting axle 6 includes first shaft section 61 and second shaft section 62, and first shaft section 61 is connected with driving motor 2's output shaft, and second shaft section 62 is connected with the power input end of gearbox 3, is provided with first shaft coupling 63 between first shaft section 61 and the second shaft section 62, and first shaft coupling 63 is used for connecting first shaft section 61 and second shaft section 62. The first shaft section 61 is sleeved with a first mounting seat 64, a first rotating speed torque sensor 65 is fixedly mounted on the first mounting seat 64, the first rotating speed torque sensor 65 can be used for detecting the rotating speed and the torque on the first connecting shaft 6, in the embodiment, the torque detected by the first rotating speed torque sensor 65 is used as the input torque, and the rotating speed detected by the first rotating speed torque sensor 65 is used as the input rotating speed. The bottom of the first installation seat 64 is provided with a first base 66, the upper end of the first base 66 is connected with the first installation seat 64, and the lower end of the first base 66 is connected with the bottom plate 1.
In addition, the first coupling 63 has the offset compensation capability, so that the rotating speed and the torque on the first shaft section 61 can be equal to those on the second shaft section 62, and the first coupling 63 also has certain damping performance.
A first half shaft 7 and a second connecting shaft 8 are arranged between the gearbox 3 and the first load motor 4, one end of the first half shaft 7 is connected with the power output end of the gearbox 3, a second coupler 42 is arranged between the second connecting shaft 8 and the output end of the first load motor 4, and the second coupler 42 is used for connecting the first load motor 4 and the second connecting shaft 8. The second connecting shaft 8 is sleeved with a second mounting seat 81, a second rotating speed and torque sensor 82 is fixedly mounted on the second mounting seat 81, the second rotating speed and torque sensor 82 can be used for detecting the rotating speed and the torque on the second connecting shaft 8, in the embodiment, the torque detected by the second rotating speed and torque sensor 82 is used as the output torque, and the rotating speed detected by the second rotating speed and torque sensor 82 is used as the output rotating speed. The bottom of second mount pad 81 is provided with second base 83, and the upper end and the second mount pad 81 of second base 83 are connected, and the lower extreme and the bottom plate 1 of second base 83 are connected.
In addition, the second coupling 42 has the offset compensation capability, so that the rotating speed and the torque on the second connecting shaft 8 can be equal to those on the output end of the first load motor 4, and meanwhile, the second coupling 42 also has certain buffering and damping performance.
A second half shaft 9 and a third connecting shaft 10 are arranged between the gearbox 3 and the second load motor 5, one end of the second half shaft 9 is connected with the power output end of the gearbox 3, the other end of the second half shaft 9 is connected with the third connecting shaft 10, a third coupling 52 is arranged between the third connecting shaft 10 and the output end of the second load motor 5, and the third coupling 52 is used for connecting the second load motor 5 and the third connecting shaft 10. A third mounting seat 101 is sleeved on the third connecting shaft 10, a third rotating speed and torque sensor 102 is fixedly mounted on the third mounting seat 101, and the third rotating speed and torque sensor 102 can be used for detecting the rotating speed and the torque on the third connecting shaft 10. The bottom of the third installation seat 101 is provided with a third base 103, the upper end of the third base 103 is connected with the third installation seat 101, and the lower end of the third base 103 is connected with the bottom plate 1.
In addition, the third coupling 52 has the offset compensation capability, so that the rotating speed and the torque of the third connecting shaft 10 can be equal to those of the output end of the second load motor 5, and the third coupling 52 also has certain damping performance.
In the embodiment, the torque of the gearbox 3 is transmitted to the first load motor 4 and the second load motor 5 through the first half shaft 7 and the second half shaft 9, so that the actual operation situation of the automobile can be better simulated, and the detection result is more accurate.
During the use, through the rotational speed and the moment of torsion on first shaft section 61 of first rotational speed torque sensor 65 measurement to obtain the input power of gearbox 3, rethread second rotational speed torque sensor 82 and third rotational speed torque sensor 102 measure the rotational speed and the moment of torsion on second connecting axle 8 and the third connecting axle 10, thereby obtain the output power of gearbox 3, finally, calculate whether the ratio (promptly, transmission efficiency) of the output power of gearbox 3 and the gearbox 3 input power is in the scope of setting for the threshold value.
The utility model provides a new forms of energy pure electric vehicles electric drive assembly detection device, through setting up first load motor 4 and second load motor 5 in the both sides of 3 power take off ends of gearbox, driving motor 2 sets up the homonymy at second load motor 5, moreover, the steam generator is simple in structure, the installation of being convenient for, the precision is high, do benefit to production and processing, transmit the moment of torsion of gearbox 3 for first load motor 4 and second load motor 5 through first semi-axis 7 and second semi-axis 9 simultaneously, can simulate the sight of car in actual motion better, make the testing result more accurate.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a new forms of energy pure electric automobile electric drive assembly detection device for detect the gearbox, its characterized in that: the detection device for the electric drive assembly of the new-energy pure electric automobile comprises a bottom plate, and a drive motor, a gearbox, a first load motor and a second load motor which are arranged on the bottom plate, wherein the first load motor and the second load motor are respectively arranged on two opposite sides of the gearbox, the drive motor is arranged on the same side of the second load motor, the drive motor and the power input end of the gearbox are connected with a first connecting shaft, a first rotating speed torque sensor is arranged on the first connecting shaft, a first half shaft and a second connecting shaft which are mutually connected are connected between the power output end of the gearbox and the first load motor, a second rotating speed torque sensor is arranged on the second connecting shaft, a second half shaft and a third connecting shaft which are mutually connected are connected between the power output end of the gearbox and the second load motor, and a third rotating speed and torque sensor is mounted on the third connecting shaft.
2. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: the first half shaft is connected with the power output end of the gearbox, the second connecting shaft is connected with the output end of the first load motor, the second half shaft is connected with the power output end of the gearbox, and the third connecting shaft is connected with the output end of the second load motor.
3. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: the detection device for the electric drive assembly of the new-energy pure electric automobile further comprises a first support, a second support, a third support and a fourth support, the driving motor is fixedly installed on the bottom plate through the first support, the gearbox is fixedly installed on the bottom plate through the second support, and the first load motor and the second load motor are fixedly installed on the bottom plate through the third support and the fourth support.
4. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: the brake device is characterized in that a first magnetic powder brake is arranged on the first load motor, a second magnetic powder brake is arranged on the second load motor, and the first magnetic powder brake and the second magnetic powder brake apply braking torque to the first load motor and the second load motor.
5. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: the first connecting shaft comprises a first shaft section and a second shaft section, a first coupler is arranged between the first shaft section and the second shaft section, and the first coupler is used for connecting the first shaft section and the second shaft section.
6. The device for detecting the electric drive assembly of the new-energy pure electric vehicle as claimed in claim 5, wherein: the improved motor shaft is characterized in that a first mounting seat is sleeved on the first shaft section, a first rotating speed torque sensor is fixedly mounted on the first mounting seat, a first base is arranged at the bottom of the first mounting seat, the upper end of the first base is connected with the first mounting seat, and the lower end of the first base is connected with the bottom plate.
7. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: and a second coupler is arranged between the second connecting shaft and the output end of the first load motor and is used for connecting the first load motor and the second connecting shaft.
8. The device for detecting the electric drive assembly of the new-energy pure electric vehicle as claimed in claim 7, wherein: the second connecting shaft is sleeved with a second mounting seat, the second mounting seat is fixedly provided with a second rotating speed and torque sensor, a second base is arranged at the bottom of the second mounting seat, the upper end of the second base is connected with the second mounting seat, and the lower end of the second base is connected with the bottom plate.
9. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 1, characterized in that: and a third coupling is arranged between the third connecting shaft and the output end of the second load motor, and the third coupling is used for connecting the second load motor and the third connecting shaft.
10. The new energy pure electric vehicle electric drive assembly detection device as claimed in claim 9, characterized in that: the third connecting shaft is sleeved with a third mounting seat, the third mounting seat is fixedly provided with a third rotating speed and torque sensor, a third base is arranged at the bottom of the third mounting seat, the upper end of the third base is connected with the third mounting seat, and the lower end of the third base is connected with the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023088.3U CN209820769U (en) | 2019-07-02 | 2019-07-02 | New forms of energy pure electric automobile electric drive assembly detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921023088.3U CN209820769U (en) | 2019-07-02 | 2019-07-02 | New forms of energy pure electric automobile electric drive assembly detection device |
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| Publication Number | Publication Date |
|---|---|
| CN209820769U true CN209820769U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921023088.3U Expired - Fee Related CN209820769U (en) | 2019-07-02 | 2019-07-02 | New forms of energy pure electric automobile electric drive assembly detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820769U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089721A (en) * | 2020-02-19 | 2020-05-01 | 常州纺织服装职业技术学院 | Flexible test bench of new energy automobile gear box |
| CN112197894A (en) * | 2020-10-15 | 2021-01-08 | 安徽江淮汽车集团股份有限公司 | Method and system for acquiring average efficiency of gearbox based on whole vehicle |
-
2019
- 2019-07-02 CN CN201921023088.3U patent/CN209820769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111089721A (en) * | 2020-02-19 | 2020-05-01 | 常州纺织服装职业技术学院 | Flexible test bench of new energy automobile gear box |
| CN112197894A (en) * | 2020-10-15 | 2021-01-08 | 安徽江淮汽车集团股份有限公司 | Method and system for acquiring average efficiency of gearbox based on whole vehicle |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |