CN114295269A - Shaft coupling type intelligent driving dynamometer - Google Patents
Shaft coupling type intelligent driving dynamometer Download PDFInfo
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- CN114295269A CN114295269A CN202111418243.3A CN202111418243A CN114295269A CN 114295269 A CN114295269 A CN 114295269A CN 202111418243 A CN202111418243 A CN 202111418243A CN 114295269 A CN114295269 A CN 114295269A
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- dynamometer
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- rack
- shaft coupling
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- 230000008878 coupling Effects 0.000 title claims abstract description 44
- 238000010168 coupling process Methods 0.000 title claims abstract description 44
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 44
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 abstract description 21
- 238000004088 simulation Methods 0.000 abstract description 6
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
Compared with the existing chassis dynamometer, the invention increases annular tracks such as the inner track and the outer track, adopts a servo motor to control the rotation angle of the shaft coupling dynamometer, realizes the simulation of the large-angle turning working condition of the tested vehicle, expands the field of chassis dynamometer testing, and can realize the simulation of a straight line road of the tested vehicle and the simulation of a turning road of the tested vehicle.
Description
Technical Field
The invention belongs to the technical field of automobile manufacturing, and particularly relates to an axial coupling type intelligent driving dynamometer.
Background
With the development of the times, the requirements on automobile intellectualization are higher and higher, and the development of the existing test standards and test equipment lags behind the development of the whole automobile. At present, intelligent driving development mainly depends on model in-loop testing and software in-loop testing, and part of the development already realizes hardware in-loop testing of parts such as a camera, a controller, a line control system and the like.
The whole vehicle test mainly comprises three types, namely a totally-enclosed test field test, a semi-enclosed test field test and a social road test. A relatively blank whole vehicle bench test exists between the actual road test of the whole vehicle and the part-system hardware in-loop test. At present, a complete vehicle in-loop test bench is available, but the test bench 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 simultaneously simulate the transverse control working condition trace and the longitudinal control working condition trace of the whole vehicle, an axle coupling intelligent driving test chassis dynamometer is designed.
Disclosure of Invention
The invention provides an axial coupling type intelligent driving dynamometer, aiming at overcoming the defects in the prior art.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides an axle coupling formula intelligence driving dynamometer, includes bilateral symmetry's axle coupling dynamometer, and axle coupling dynamometer passes through a plurality of gyro wheel and interior track, outer track cooperation, and axle coupling dynamometer middle part has laid the gear, and the gear cooperates with the rack.
As a preferable scheme of the invention, the shaft coupling dynamometer comprises a dynamometer body, 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 present invention, the speed reducer is installed at a front end of the servo motor, and a gear is disposed at a lower end of the speed reducer and exceeds a lower surface of the speed reducer.
As a preferable scheme of the invention, the shaft coupling dynamometer comprises a plurality of rollers, and two rollers form a group.
As a preferable scheme of the invention, the roller is arranged on the side surface of the shaft coupling dynamometer through a 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 and the dynamometer body are arranged at an angle of 0-90 degrees.
In a preferred embodiment of the present invention, the rack is located between the inner rail and the outer rail, and the distance between the rack and the inner rail is the same as 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 all fixed on the base.
In a preferred embodiment of the present 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 character of the outer rail.
The invention has the beneficial effects that:
compared with the existing chassis dynamometer, the invention increases the annular tracks such as the inner track and the outer track, adopts the servo motor to control the rotation angle of the shaft coupling dynamometer, realizes the simulation of the large-angle turning working condition of the tested vehicle, expands the field of chassis dynamometer test, and can realize the simulation of both the straight line road and the turning road of the tested vehicle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the shaft coupling dynamometer of the present invention;
FIG. 3 is a side view of the shaft coupling dynamometer of the present invention;
reference numbers in the figures: the device comprises a shaft coupling dynamometer 1, a rack 2, an inner rail 3, an outer rail 4, a gear 11, a dynamometer body 12, a dynamometer cooling fan 13, a servo motor 14, a speed reducer 15, rollers 16, a connecting piece 17 and a groove 161.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
As shown in figures 1-3, an axle coupling type intelligent driving dynamometer is applied to testing of an intelligent driving whole vehicle rack with steering control and comprises an axle coupling dynamometer 1 which is bilaterally symmetrical, the axle coupling dynamometer 1 is matched with an inner rail 3 and an outer rail 4 through a plurality of idler wheels 16, a gear 11 is arranged in the middle of the axle coupling dynamometer 1, and the gear 11 is matched with a rack 2.
Specifically, a gear 11 on the shaft coupling dynamometer 1 is matched with a rack 2, when the gear 11 rotates, the shaft coupling dynamometer 1 is realized to do arc motion on an inner rail 3 and an outer rail 4, the motion direction of the arc motion can be clockwise or anticlockwise, correspondingly, the inner rail 3 and the outer rail 4 play a bearing role on the static and moving shaft coupling dynamometer 1, when the shaft coupling dynamometer 1 does the arc motion, the center of the shaft coupling dynamometer 1 coincides with the rotation center of a steering knuckle of a tested vehicle relative to the ground, and 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 a test effect, a dynamometer cooling fan 13 is arranged at the upper end of the tail portion of the dynamometer body 12, the dynamometer cooling fan 13 is arranged at a high position, the wind power coverage range of the dynamometer cooling fan 13 is enlarged, and the dynamometer cooling fan 13 dissipates heat of the running dynamometer body 12, a servo motor 14 and a speed reducer 15.
Servo motor 14, reduction gear 15 are laid to the side of dynamometer body 12, and reduction gear 15 installs at servo motor 14's front end, and the vehicle generally can the deceleration motion when the bend moves, avoids the vehicle roll-off orbit, therefore the reduction gear 15 setting of servo motor 14 front end accords with horizontal (bend) and controls the operating mode simulation, and gear 11 has been laid to the lower extreme of reduction gear 15, and the lower extreme of gear 11 has surpassed the lower surface of reduction gear 15 and has avoided reduction gear 15 structure to disturb the rotation of gear 11.
Specifically, when the tested vehicle steers, the servo motor 14 acts to drive the gear 11 to rotate, the gear 11 and the rack 2 are matched 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 rollers 16 and move on the inner rail and the outer rail, and the servo motor 14 controls the speed reduction of the gear 11 through the speed reducer 15, so that 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, the front end and the rear end of the shaft coupling dynamometer 1 are respectively provided with a group of rollers 16, the number of the group of rollers 16 is 2, the 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 and the dynamometer body 12 are arranged at an angle of 0-90 degrees, and the subsequent rotation of the dynamometer body 12 is met.
The rack 2 is positioned between the inner track 3 and the outer track 4, and the distance between the rack 2 and the inner track 3 is consistent with the distance between the rack 2 and the outer track 4, so that the connecting piece 17 is convenient to position and mount. Based on this, the diameter of the outer rail 4 is larger than that of the inner rail 3, and accordingly, the angle between the joint 17 at the front end of the shaft coupling dynamometer 1 and the dynamometer body 12 is smaller than the angle between the joint 17 at the rear end of the shaft coupling dynamometer 1 and the dynamometer body 12.
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, the top of the convex part of the rack is 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, the convex parts of the inner rail 3 and the outer rail 4 are clamped into the groove 161, and the movement of the shaft coupling dynamometer 1 is restricted in the running tracks of the inner rail 3 and the outer rail 4.
The specific implementation of an axle coupling formula intelligence drives dynamometer:
as shown in fig. 1, a turning angle to be tested is determined, a rack 2 corresponding to the angle is fixed on a base, and accordingly, an inner rail 3 and an outer rail 4 are arranged at equal intervals on both sides of the rack 2, and both 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 adapted to the rack 2 is determined on the dynamometer body 12, the positions of the servo motor 14 and the reducer 15 are correspondingly determined, the positions of the roller 16 and the connecting member 17 are further determined through the positions of the inner rail 3 and the outer rail 4, and the servo motor 14, the reducer 15 and the gear 11 are sequentially mounted on the dynamometer body 12.
Next, two sets of the front and rear joints 17 and the rollers 16 are mounted on the dynamometer body 12, the assembled dynamometer body 12 is trial-run on the rack 2, the inner rail, and the outer rail 4, if there is no problem, the dynamometer cooling fan 13 is mounted above the dynamometer body 12, and if there is a problem, the mounting positions of the gear 11, the servo motor 14, the reducer 15, the rollers 16, and the joints 17 are adjusted.
When the gear 11, the dynamometer cooling fan 13, the servo motor 14, the reducer 15, the roller 16 and the connecting piece 17 are all accurately installed 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 detected 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 here: the terms of the shaft coupling dynamometer 1, the rack 2, the inner rail 3, the outer rail 4, the gear 11, the dynamometer body 12, the dynamometer cooling fan 13, the servo motor 14, the reducer 15, the roller 16, the connecting piece 17, the groove 161 and the like, but the possibility of using other terms is not excluded; these terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides an axle coupling formula intelligence driving dynamometer machine which characterized in that: the device comprises a shaft coupling dynamometer (1) which is symmetrical left and right, wherein the shaft coupling dynamometer (1) is matched with an inner rail (3) and an outer rail (4) through a plurality of idler wheels (16), a gear (11) is arranged in the middle of the shaft coupling dynamometer (1), and the gear (11) is matched with a rack (5).
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 installed at the front end of the servo motor (14), a gear (11) is arranged at the lower end of the speed reducer (15), and the lower portion 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 two rollers (16) form a group.
5. The shaft-coupled intelligent driving dynamometer of claim 4, wherein: the roller (16) is installed on the side face 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) and the dynamometer body (12) are arranged at an angle of 0-90 degrees.
7. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the rack (5) is positioned between the inner track (3) and the outer track (4), and the distance between the rack (5) and the inner track (3) is consistent with the distance between the rack (5) and the outer track (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 of inward arc structures, and the inner rail (3), the outer rail (4) and the rack (5) are fixed on the base.
9. The shaft-coupled intelligent driving dynamometer of claim 1, wherein: the side surfaces of the inner track (3) and the outer track (4) are convex.
10. The shaft-coupled intelligent drive dynamometer of claim 9, wherein: the roller (16) is provided with a groove (161) 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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| CN114295269A true CN114295269A (en) | 2022-04-08 |
| CN114295269B CN114295269B (en) | 2023-10-24 |
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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 (8)
| 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 |
| US20150369702A1 (en) * | 2014-06-19 | 2015-12-24 | Avl Test Systems, Inc. | Dual-Purpose Dynamometer |
| 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 |
-
2021
- 2021-11-26 CN CN202111418243.3A patent/CN114295269B/en active Active
Patent Citations (8)
| 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 |
| US20150369702A1 (en) * | 2014-06-19 | 2015-12-24 | Avl Test Systems, Inc. | Dual-Purpose Dynamometer |
| 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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| CN114295269B (en) | 2023-10-24 |
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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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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 |