CN210802922U - Endurance test experiment bench for single dynamometer double-output-shaft electric drive system - Google Patents
Endurance test experiment bench for single dynamometer double-output-shaft electric drive system Download PDFInfo
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- CN210802922U CN210802922U CN201921847539.5U CN201921847539U CN210802922U CN 210802922 U CN210802922 U CN 210802922U CN 201921847539 U CN201921847539 U CN 201921847539U CN 210802922 U CN210802922 U CN 210802922U
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- electric drive
- dynamometer
- drive system
- endurance test
- universal joint
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Abstract
The utility model relates to a durable test experiment rack of single dynamometer machine dual output axle electric drive system, including the electric drive assembly, the dual output axle of electric drive assembly is connected respectively with 2 steering gear boxes that have the sensor, every steering gear box all is connected with reduction gear, reduction gear box still is connected with the dynamometer machine alone. Compared with the prior art, the utility model has the advantages of the fault rate is low, and control is simple, easily builds.
Description
Technical Field
The utility model belongs to the technical field of new energy automobile electric drive technique and specifically relates to a durable examination experiment rack of single dynamometer machine dual output axle electric drive system is related to.
Background
Since the test product has two output shafts, the existing endurance test rig is shown in fig. 1: two output ends of the product are respectively connected with a measuring motor through a transmission shaft and a gear box, and the service condition of the product is simulated through a dynamometer so as to finish the durability test of the product.
The existing rack has the following defects: the existing rack is loaded by adopting two dynamometers, and meanwhile, because the two dynamometers are independently controlled, two sets of motor control systems are needed, the rack building cost is increased, and the rack building difficulty and the equipment failure rate are also increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a single dynamometer machine dual output axle electric drive system endurance test experiment rack in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a single dynamometer machine dual output axle electric drive system endurance test experiment bench, includes the electric drive assembly, the dual output axle of electric drive assembly is connected respectively with 2 steering gear boxes that have the sensor, every steering gear box all is connected with reduction gear, reduction gear still is connected with the dynamometer machine alone.
Further, the sensor is a torque and rotation speed sensor.
Further, the double output shafts of the electric drive assembly are respectively connected with the 2 steering gear boxes with the sensors through transmission shafts.
Further, each steering gear box is also connected with the reduction gear box through a separate transmission shaft.
Further, the reduction gear box is also connected with the dynamometer through a separate transmission shaft.
Furthermore, the transmission shaft consists of an axle tube, a telescopic sleeve and a universal joint.
Further, the universal joint adopts a rigid universal joint, a flexible universal joint, a constant velocity universal joint or a constant velocity universal joint.
Further, a differential is built in the electric drive assembly.
Compared with the prior art, the utility model has the advantages of it is following:
(1) the utility model discloses a single dynamometer machine loading has saved the cost that the rack was built, and single dynamometer machine's control is more simple simultaneously, has reduced the degree of difficulty that the system realized and the probability that breaks down.
(2) The utility model discloses a single dynamometer machine is connected to steering gear box and reduction gear, and the rack construction after the improvement is more compact, more is favorable to buildding in the laboratory.
Drawings
To further clarify the above and other advantages and features of various embodiments of the present invention, a more particular description of various embodiments of the invention will be rendered by reference to the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. Also, the relative positions and sizes of the respective portions shown in the drawings are exemplary, and should not be understood as uniquely determining positional or dimensional relationships between the respective portions.
FIG. 1 is a prior art endurance test rig frame diagram;
fig. 2 is a test bed frame structure diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Examples
FIG. 2 shows a test bench frame diagram of a durability test bench for a single dynamometer dual output shaft electric drive system of the present invention;
known from the figure, two output shafts of experiment sample spare (being electric drive assembly) are connected with two input that turn to the gear box through the transmission shaft respectively, two gear box models are the same, two turn to the inside torque revolution speed sensor that has all integrateed respectively of gear box, two output that turn to the gear box are connected to same reduction gear's input through another set of other transmission shaft respectively, reduction gear's speed ratio can be formulated according to actual test condition, reduction gear's input is connected with the dynamometer through another independent transmission shaft.
The working principle of the utility model is as follows:
the speed reduction gear box is provided with an output end and two input ends, the two input ends are arranged on one shaft, the output end is connected with the dynamometer, the two input ends are respectively connected with the two output shafts of the electric drive assembly through the transmission shaft and the steering gear box, and the double-output-shaft three-in-one electric drive system serving as the electric drive assembly in the embodiment comprises the differential mechanism, so that the loading of the two output shafts of the system by the single dynamometer can be realized.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a single dynamometer machine dual output axle electric drive system endurance test experiment bench, its characterized in that includes the electric drive assembly, the dual output axle of electric drive assembly is connected respectively with 2 steering gear boxes that have the sensor, every steering gear box all is connected with reduction gear, reduction gear still is connected with the dynamometer machine alone.
2. The endurance test rig for single dynamometer dual output shaft electric drive system of claim 1, wherein said sensor is a torque and rotation speed sensor.
3. The endurance test bench for single dynamometer double output shaft electric driving system according to claim 1, wherein the double output shafts of the electric driving assembly are connected to 2 steering gear boxes with sensors respectively through transmission shafts.
4. The endurance test rig for single dynamometer dual output shafts electric drive system of claim 1, wherein each steering gear box is further connected to the reduction gear box through a separate transmission shaft.
5. The endurance test rig for single dynamometer dual output shaft electric drive system of claim 1, wherein said reduction gear box is further connected to said dynamometer through a separate drive shaft.
6. The endurance test bench for single dynamometer double output shaft electric driving system according to any one of claims 3, 4 and 5, wherein said transmission shaft is composed of shaft tube, telescopic sleeve and universal joint.
7. The durability test bench for single dynamometer double output shaft electric drive system according to claim 6, wherein said universal joint is rigid universal joint, flexible universal joint, constant velocity universal joint or unequal velocity universal joint.
8. The bench for endurance testing of single dynamometer dual output shaft electric drive system of claim 1, wherein said electric drive assembly has a differential built in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847539.5U CN210802922U (en) | 2019-10-30 | 2019-10-30 | Endurance test experiment bench for single dynamometer double-output-shaft electric drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921847539.5U CN210802922U (en) | 2019-10-30 | 2019-10-30 | Endurance test experiment bench for single dynamometer double-output-shaft electric drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802922U true CN210802922U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921847539.5U Active CN210802922U (en) | 2019-10-30 | 2019-10-30 | Endurance test experiment bench for single dynamometer double-output-shaft electric drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802922U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834838A (en) * | 2020-12-26 | 2021-05-25 | 中国汽车工程研究院股份有限公司 | Electric drive assembly testing arrangement |
-
2019
- 2019-10-30 CN CN201921847539.5U patent/CN210802922U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834838A (en) * | 2020-12-26 | 2021-05-25 | 中国汽车工程研究院股份有限公司 | Electric drive assembly testing arrangement |
| CN112834838B (en) * | 2020-12-26 | 2024-03-08 | 中国汽车工程研究院股份有限公司 | Electric drive assembly testing device |
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