CN114295269B - Shaft coupling type intelligent driving dynamometer - Google Patents
Shaft coupling type intelligent driving dynamometer Download PDFInfo
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- CN114295269B CN114295269B CN202111418243.3A CN202111418243A CN114295269B CN 114295269 B CN114295269 B CN 114295269B CN 202111418243 A CN202111418243 A CN 202111418243A CN 114295269 B CN114295269 B CN 114295269B
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- 230000008878 coupling Effects 0.000 title claims abstract description 51
- 238000010168 coupling process Methods 0.000 title claims abstract description 51
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 51
- 239000003638 chemical reducing agent Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 10
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 19
- 238000004088 simulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to an axle coupling type intelligent driving dynamometer, which comprises an axle coupling dynamometer which is bilaterally symmetrical, wherein the axle coupling dynamometer is matched with an inner rail and an outer rail through a plurality of idler wheels, and a gear is arranged in the middle of the axle coupling dynamometer and matched with a rack.
Description
Technical Field
The invention belongs to the technical field of automobile manufacturing, and particularly relates to a shaft coupling type intelligent driving dynamometer.
Background
Along with the development of the times, the requirements on the intelligent of the automobile are higher and higher, and the development of the existing test standard and test equipment is lagged behind the development of the whole automobile. At present, intelligent driving development mainly depends on model on-loop testing and software on-loop testing, and part of development has realized hardware on-loop testing of parts such as cameras, controllers, wire control systems and the like.
The whole vehicle test mainly comprises a totally-enclosed test field test, a semi-enclosed test field test and a social road test. Between the whole vehicle actual road test and the part-system hardware in-loop test, there is a relatively blank whole vehicle bench test. At present, the whole vehicle is arranged on a ring test bench, but the whole vehicle is realized by adopting a shaft coupling scheme. The chassis dynamometer coupled with the current shaft intelligently simulates the longitudinal control working condition of the vehicle, but cannot simulate the transverse control working condition.
In order to simulate the transverse control working condition and the longitudinal control working condition mark of the whole vehicle at the same time, a shaft coupling intelligent driving test chassis dynamometer is designed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a shaft coupling type intelligent driving dynamometer.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a shaft coupling formula intelligence driving dynamometer, includes bilateral symmetry's shaft coupling dynamometer, and shaft coupling dynamometer passes through a plurality of gyro wheel and interior track, the cooperation of outer track, and the gear has been laid at shaft coupling dynamometer middle part, and the gear cooperates with the rack.
As a preferable scheme of the invention, the shaft coupling dynamometer comprises a dynamometer body, wherein a dynamometer cooling fan is arranged at the upper end of the dynamometer body, and a servo motor and a speed reducer are arranged on the side surface of the dynamometer body.
As a preferable scheme of the invention, the speed reducer is arranged at the front end of the servo motor, and the lower end of the speed reducer is provided with a gear which exceeds the lower surface of the speed reducer.
As a preferable scheme of the invention, the shaft coupling dynamometer comprises a plurality of rollers, and the rollers are two in a group.
As a preferable scheme of the invention, the roller is arranged on the side surface of the shaft coupling dynamometer through the connecting piece, and the connecting piece is arranged at the front end and the rear end of the dynamometer body.
As a preferable scheme of the invention, the connecting piece is arranged at an angle with the dynamometer body, and the angle is between 0 and 90 degrees.
As a preferable mode of the invention, the rack is positioned between the inner rail and the outer rail, and the distance between the rack and the inner rail is consistent with the distance between the rack and the outer rail.
As a preferable scheme of the invention, the inner rail, the outer rail and the rack are of inward arc structures, and the inner rail, the outer rail and the rack are fixed on the base.
As a preferable scheme of the invention, the side surfaces of the inner rail and the outer rail are in a convex shape.
As a preferable scheme of the invention, the roller is provided with a groove matched with the convex shape of the outer rail.
The beneficial effects of the invention are as follows:
compared with the existing chassis dynamometer, the invention increases the annular tracks such as the inner track, the outer track and the like, adopts the servo motor to control the rotation angle of the shaft coupling dynamometer, realizes the simulation of the large-angle turning condition of the tested vehicle, expands the testing field of the chassis dynamometer, and can realize the simulation of the straight line road of the tested vehicle and the simulation of the turning road of the tested vehicle.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a perspective view of the shaft coupled dynamometer of the present invention;
FIG. 3 is a side view of the shaft coupled dynamometer of the present invention;
reference numerals in the drawings: shaft coupling dynamometer 1, rack 2, interior track 3, outer track 4, gear 11, dynamometer body 12, dynamometer cooling fan 13, servo motor 14, reduction gear 15, gyro wheel 16, connecting piece 17, recess 161.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in figures 1-3, the shaft coupling type intelligent driving dynamometer is applied to testing of an intelligent driving whole-vehicle rack with steering control, and comprises a shaft coupling dynamometer 1 which is bilaterally symmetrical, wherein the shaft coupling dynamometer 1 is matched with an inner rail 3 and an outer rail 4 through a plurality of rollers 16, a gear 11 is arranged in the middle of the shaft coupling dynamometer 1, the gear 11 is matched with a rack 2, a collar-shaped rail is additionally arranged on an existing shaft coupling chassis, the shaft coupling dynamometer 1 is arranged on the annular rail, the shaft coupling dynamometer 1 rotates under the action of a power source through a gear rack mechanism, and the shaft coupling dynamometer 1 rotates relative to the annular rail to simulate the transverse operation and control working condition of a vehicle.
Specifically, the gear 11 on the shaft coupling dynamometer 1 is matched with the rack 2, when the gear 11 rotates, the shaft coupling dynamometer 1 is in arc-shaped motion in the inner track 3 and the outer track 4, the motion direction of the arc-shaped motion can be clockwise or anticlockwise, correspondingly, the inner track 3 and the outer track 4 play a bearing role on the stationary and moving shaft coupling dynamometer 1, and when the shaft coupling dynamometer 1 is in arc-shaped motion, the center of the shaft coupling dynamometer 1 coincides with the rotation center of the steering knuckle of the tested vehicle relative to the ground, so that the transverse control working condition and the longitudinal control working condition of the tested vehicle are better simulated.
The shaft coupling dynamometer 1 comprises a dynamometer body 12, the dynamometer body 12 plays a role of bearing other parts mounted on the dynamometer body 12 under the test effect, a dynamometer cooling fan 13 is arranged at the upper end of the tail of the dynamometer body 12, the higher arrangement of the dynamometer cooling fan 13 enlarges the wind power coverage range of the dynamometer cooling fan, and the dynamometer cooling fan 13 dissipates heat of the running dynamometer body 12, a servo motor 14 and a speed reducer 15.
The servo motor 14 and the speed reducer 15 are arranged on the side face of the dynamometer body 12, the speed reducer 15 is arranged at the front end of the servo motor 14, a vehicle generally can move in a decelerating mode when running on a curve, and the vehicle is prevented from sliding out of a running track, so that the speed reducer 15 arranged at the front end of the servo motor 14 accords with the simulation of the transverse (curve) operation working condition, the gear 11 is arranged at the lower end of the speed reducer 15, and the lower end of the gear 11 exceeds the lower surface of the speed reducer 15, so that the structure of the speed reducer 15 is prevented from interfering with the rotation of the gear 11.
Specifically, when the tested vehicle turns, the servo motor 14 acts to drive the gear 11 to rotate, the gear 11 and the rack 2 cooperate to drive the dynamometer body 12 to act, correspondingly, the front end and the rear end of the dynamometer body 12 are supported by the inner rail 3 and the outer rail 4 through the idler wheels 16 and move on the inner rail and the outer rail, the servo motor 14 controls the speed reduction of the gear 11 through the speed reducer 15, and the steering force and the steering action of the tested vehicle at different speeds can be simulated.
The connecting piece 17 is arranged at the front end and the rear end of the dynamometer body 12, the rollers 16 are arranged on the side face of the shaft coupling dynamometer 1 through the connecting piece 17, a group of rollers 16 are respectively arranged at the front end and the rear end of the shaft coupling dynamometer 1, the number of the rollers 16 is 2, stability of the dynamometer body 12 during rotation is guaranteed, and the rollers 16 can be slightly adjusted in the connecting piece 17.
The connecting piece 17 is arranged at an angle with the dynamometer body 12, the angle is between 0 degrees and 90 degrees, and the subsequent rotation of the dynamometer body 12 is met.
The rack 2 is positioned between the inner rail 3 and the outer rail 4, and the distance between the rack 2 and the inner rail 3 is consistent with the distance between the rack 2 and the outer rail 4, so that the positioning and the installation of the connecting piece 17 are convenient. Based on this, the diameter of the outer rail 4 is larger than the diameter of the inner rail 3, and correspondingly, the angle between the connecting piece 17 at the front end of the shaft coupling dynamometer 1 and the dynamometer body 12 is smaller than the angle between the connecting piece 17 at the rear end of the shaft coupling dynamometer 1 and the dynamometer body 12.
The inner rail 3, the outer rail 4 and the rack 2 are of inward arc structures, the inner rail 3, the outer rail 4 and the rack 2 are fixed on the base, and stable operation of the shaft coupling dynamometer 1 on the inner rail 3, the outer rail 4 and the rack 2 is guaranteed due to stable fixation of the inner rail 3, the outer rail 4 and the rack 2.
The side surfaces of the inner rail 3 and the outer rail 4 are in a convex shape, the side surface of the rack 2 is also in a convex shape, but the tops of the convex parts of the rack 2 are provided with teeth matched with the gear 11, the roller 16 is provided with a groove 161 matched with the convex shape of the outer rail 4, and the convex parts of the inner rail 3 and the outer rail 4 are clamped into the groove 161 to restrict the movement of the shaft coupling dynamometer 1 in the running rails of the inner rail 3 and the outer rail 4.
The shaft coupling type intelligent driving dynamometer is concretely implemented:
as shown in fig. 1, the turning angle to be tested is determined, the rack 2 conforming to the angle is fixed on the base, and correspondingly, the inner rail 3 and the outer rail 4 are equidistantly arranged on two sides of the rack 2, and the inner rail 3 and the outer rail 4 are fixed on the base.
As shown in fig. 2-3, the position of the gear 11 matched with the rack 2 is determined on the dynamometer body 12, the positions of the servo motor 14 and the speed reducer 15 are correspondingly determined, the positions of the roller 16 and the connecting piece 17 are further determined through the positions of the inner rail 3 and the outer rail 4, and the servo motor 14, the speed reducer 15 and the gear 11 are sequentially installed on the dynamometer body 12.
Next, the front and rear sets of connecting members 17 and rollers 16 are mounted on the dynamometer body 12, the assembled dynamometer body 12 is run on the rack 2, the inner rail and the outer rail 4, if no problem exists, the dynamometer cooling fan 13 is mounted above the dynamometer body 12, and if a problem exists, the mounting positions of the gears 11, the servo motor 14, the speed reducer 15, the rollers 16 and the connecting members 17 are adjusted.
When the gear 11, the dynamometer cooling fan 13, the servo motor 14, the speed reducer 15, the roller 16 and the connecting piece 17 are accurately arranged on the dynamometer body 12, the shaft coupling dynamometer 1 is formed.
At this time, the servo motor 14 is started to simulate the large-angle turning condition of the tested vehicle.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: shaft coupling dynamometer 1, rack 2, inner rail 3, outer rail 4, gear 11, dynamometer body 12, dynamometer cooling fan 13, servo motor 14, decelerator 15, roller 16, connector 17, groove 161, etc., but the possibility of using other terms is not excluded; these terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. A shaft coupling type intelligent driving dynamometer is characterized in that: including bilateral symmetry's axle coupling dynamometer (1), axle coupling dynamometer (1) are through a plurality of gyro wheel (16) and interior track (3), outer track (4) cooperation, gear (11) have been laid at axle coupling dynamometer (1) middle part, gear (11) and rack (5) cooperation, rack (5) are located interior track (3), between outer track (4), interior track (3), outer track (4), rack (5) are inwards arc structure, realize axle coupling dynamometer (1) and do arc motion including track (3), outer track (4) when gear (11) rotate, its center and the rotational center coincidence of measured vehicle knuckle for ground when axle coupling dynamometer (1) do arc motion.
2. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the shaft coupling dynamometer (1) comprises a dynamometer body (12), a dynamometer cooling fan (13) is arranged at the upper end of the dynamometer body (12), and a servo motor (14) and a speed reducer (15) are arranged on the side face of the dynamometer body (12).
3. The shaft-coupled intelligent driving dynamometer of claim 2, wherein: the speed reducer (15) is arranged at the front end of the servo motor (14), the gear (11) is arranged at the lower end of the speed reducer (15), and the lower part of the gear (11) exceeds the lower surface of the speed reducer (15).
4. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the shaft coupling dynamometer (1) comprises a plurality of rollers (16), and the rollers (16) are two in a group.
5. The shaft-coupled intelligent driving dynamometer of claim 4, wherein: the roller (16) is arranged on the side surface of the shaft coupling dynamometer (1) through a connecting piece (17), and the connecting piece (17) is arranged at the front end and the rear end of the dynamometer body (12).
6. The shaft-coupled intelligent driving dynamometer of claim 5, wherein: the connecting piece (17) is arranged at an angle with the dynamometer body (12), and the angle is between 0 and 90 degrees.
7. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the distance between the rack (5) and the inner rail (3) is consistent with the distance between the rack (5) and the outer rail (4).
8. The shaft-coupled intelligent driving dynamometer of claim 7, wherein: the inner rail (3), the outer rail (4) and the rack (5) are all fixed on the base.
9. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the side surfaces of the inner rail (3) and the outer rail (4) are in a convex shape.
10. The shaft-coupled intelligent driving dynamometer of claim 9, wherein: the roller (16) is provided with a groove (161) which is matched with the convex shape of the outer rail (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418243.3A CN114295269B (en) | 2021-11-26 | 2021-11-26 | Shaft coupling type intelligent driving dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111418243.3A CN114295269B (en) | 2021-11-26 | 2021-11-26 | Shaft coupling type intelligent driving dynamometer |
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| Publication Number | Publication Date |
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| CN114295269A CN114295269A (en) | 2022-04-08 |
| CN114295269B true CN114295269B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111418243.3A Active CN114295269B (en) | 2021-11-26 | 2021-11-26 | Shaft coupling type intelligent driving dynamometer |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723260U (en) * | 1991-05-16 | 1995-04-25 | 三菱自動車工業株式会社 | Chassis dynamometer |
| CN203798588U (en) * | 2014-03-18 | 2014-08-27 | 中国汽车技术研究中心 | Integrated non-driving wheel clamping device |
| CN110168332A (en) * | 2017-06-08 | 2019-08-23 | 株式会社东阳特克尼卡 | Dynamometer load device |
| CN110441066A (en) * | 2019-07-15 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of intelligent driving vehicle is in ring test method and test macro |
| CN211178991U (en) * | 2020-02-06 | 2020-08-04 | 北京经纬恒润科技有限公司 | Vehicle dynamometer system |
| CN212585886U (en) * | 2020-07-27 | 2021-02-23 | 北京博科测试系统股份有限公司 | Chassis dynamometer for vehicle test |
| CN213956744U (en) * | 2020-11-30 | 2021-08-13 | 吉林大学 | High-frequency simulation loaded double-servo power tool rest reliability test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9752961B2 (en) * | 2014-06-19 | 2017-09-05 | Avl Test Systems, Inc. | Dual-purpose dynamometer |
-
2021
- 2021-11-26 CN CN202111418243.3A patent/CN114295269B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723260U (en) * | 1991-05-16 | 1995-04-25 | 三菱自動車工業株式会社 | Chassis dynamometer |
| CN203798588U (en) * | 2014-03-18 | 2014-08-27 | 中国汽车技术研究中心 | Integrated non-driving wheel clamping device |
| CN110168332A (en) * | 2017-06-08 | 2019-08-23 | 株式会社东阳特克尼卡 | Dynamometer load device |
| CN110441066A (en) * | 2019-07-15 | 2019-11-12 | 中国第一汽车股份有限公司 | A kind of intelligent driving vehicle is in ring test method and test macro |
| CN211178991U (en) * | 2020-02-06 | 2020-08-04 | 北京经纬恒润科技有限公司 | Vehicle dynamometer system |
| CN212585886U (en) * | 2020-07-27 | 2021-02-23 | 北京博科测试系统股份有限公司 | Chassis dynamometer for vehicle test |
| CN213956744U (en) * | 2020-11-30 | 2021-08-13 | 吉林大学 | High-frequency simulation loaded double-servo power tool rest reliability test device |
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| CN114295269A (en) | 2022-04-08 |
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Address after: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant after: United New Energy Automobile Co.,Ltd. Address before: 314500 988 Tong Tong Road, Wu Tong Street, Tongxiang, Jiaxing, Zhejiang Applicant before: Hozon New Energy Automobile Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A shaft coupled intelligent driving dynamometer Granted publication date: 20231024 Pledgee: Tongxiang Science and Technology Entrepreneurship Service Center Co.,Ltd. Pledgor: United New Energy Automobile Co.,Ltd. Registration number: Y2024330000709 |