CN113358261A - Automobile steering force testing tool and testing method thereof - Google Patents
Automobile steering force testing tool and testing method thereof Download PDFInfo
- Publication number
- CN113358261A CN113358261A CN202110715422.7A CN202110715422A CN113358261A CN 113358261 A CN113358261 A CN 113358261A CN 202110715422 A CN202110715422 A CN 202110715422A CN 113358261 A CN113358261 A CN 113358261A
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- hole
- flange plate
- conical
- spline
- boss structure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a test tool for automobile steering force and a test method thereof, and the test tool comprises a conical surface flange plate, a spline hole flange plate and a spline shaft, wherein a conical boss structure is arranged at the center of the upper surface of the conical surface flange plate, the lower end of the spline shaft is connected with the upper end of the conical boss structure, a threaded hole is formed in the spline shaft, a counter bore is formed in the center of the lower surface of the conical boss structure, a bolt corresponding to the threaded hole is arranged in the counter bore, a spline hole is formed in the center of the upper surface of the spline hole flange plate, a conical hole is formed in the lower surface of the spline hole flange plate, the conical hole is communicated with the spline hole, circular boss structures are arranged at the centers of the corresponding surfaces of the spline hole flange plate and the conical surface flange plate, and the circular boss structures are convenient to be matched and connected with a sensor; the invention connects the sensors for testing the steering force and the steering wheel angle in series in the steering system, ensures the contact ratio of the axes, eliminates the influence of the eccentricity of the sensors on the test result and improves the test precision.
Description
Technical Field
The invention relates to the technical field of automobile steering force testing, in particular to an automobile steering force testing tool and an automobile steering force testing method.
Background
At present, in an automobile steering force test experiment, a force measuring steering wheel used for testing steering force of a real automobile is installed in two common modes: firstly, three clamping jaws are directly fixed on the original vehicle steering wheel, the sensor in the form has a small amount of eccentricity, and although torque test is not influenced, a small moment fluctuation value is difficult to identify; secondly, a quick-dismantling type spline sleeve structure is used, eccentricity can be effectively eliminated, but clearance fit can be used for ensuring convenient dismantling, so that the testing precision is influenced, the existing testing tool and the testing method for the automobile steering force cannot meet the requirements in actual use, and therefore an improved technology is urgently needed in the market to solve the problems.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the existing defects and provide a test tool and a test method for automobile steering force, wherein sensors for testing the steering force and the steering wheel angle are connected in series in a steering system, so that the axis contact ratio is ensured, the influence of the eccentricity of the sensors on the test result is eliminated, the test precision is improved, the original automobile steering wheel is used, the hand feeling in the test is consistent with the hand feeling in the original automobile debugging, the one-to-one correspondence effect between subjective evaluation and objective data is achieved, the debugging and calibration of the steering system are facilitated, and the problems in the background technology can be effectively solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a test fixture and test method of auto steering power, includes conical surface ring flange, splined hole ring flange and integral key shaft, the center of conical surface ring flange upper surface is provided with toper boss structure, and the lower extreme and the toper boss structure upper end of integral key shaft are connected, and the inside of integral key shaft is provided with the screw hole, and the lower surface center of toper boss structure is provided with the counter bore, is provided with the bolt corresponding with the screw hole in the counter bore, the center of splined hole ring flange upper surface is provided with the splined hole, and the lower surface of splined hole ring flange is provided with the bell mouth, and bell mouth and splined hole intercommunication, splined hole ring flange and conical surface ring flange correspond the center of face and all are provided with circular boss structure, and circular boss structure is convenient for be connected with the sensor cooperation, ensures the axiality of sensor and steering spindle.
Furthermore, the matching surface of the lower end of the spline shaft and the upper end of the conical boss structure is of a square structure, and the moment of bearing the steering torque on the connecting surface is increased through the square structure, so that the structure is firmer.
Furthermore, the edge of the conical surface flange plate and the edge of the splined hole flange plate are provided with corresponding fixing holes, the conical surface flange plate, the splined hole flange plate and the sensor are convenient to connect and fix through the fixing holes, the coaxiality of the conical surface flange plate, the splined hole flange plate and the sensor is guaranteed, and the accuracy of testing is improved.
Furthermore, the diameter of the upper end of the taper hole is smaller than that of the spline hole, the spline hole is matched with the spline shaft, and the taper hole is matched with the conical boss structure.
Further, the automobile steering force testing method is characterized by comprising the following steps:
s1: firstly, taking down an original vehicle steering wheel, aligning a tapered hole on a splined hole flange plate to the upper end of an original vehicle steering column, mounting the splined hole flange plate on the original vehicle steering column, and firmly fixing the splined hole flange plate and the original vehicle steering column by adopting nuts;
s2: mounting the sensor on the splined hole flange plate, enabling the center of the sensor to correspond to the circular boss structure, ensuring the coaxiality of the steering shaft and the sensor, and then fixing the splined hole flange plate and the sensor firmly by adopting screws;
s3: aligning the circular boss structure on the lower surface of the conical flange plate to the center of the sensor, and fixing the conical flange plate on the upper surface of the sensor by using screws;
s4: and finally, mounting the original steering wheel on the spline shaft on the conical flange plate, and fixing by adopting bolts.
Compared with the prior art, the invention has the beneficial effects that: this test fixture of auto steering power has following benefit:
1. the bolt is arranged on the spline shaft, the conical flange plate and the spline shaft are conveniently connected and fixed through the bolt, the assembly is convenient, the square structure increases the torque of the connecting surface for bearing steering torque, the structure is firmer, the modular design of the conical flange plate and the spline shaft is convenient for processing the spline shaft, and the processing is convenient.
2. The circular boss structure is convenient to be matched and connected with the sensor, the coaxiality of the sensor and the steering shaft is ensured, the circular boss structure is convenient to be connected and fixed with the sensor through the fixing hole, the coaxiality of the conical surface flange plate, the spline hole flange plate and the sensor is ensured, the testing accuracy is improved, and the conical surface flange plate and the spline hole flange plate are convenient to be connected through the spline hole and the spline shaft.
3. The invention connects the sensors for testing the steering force and the steering wheel angle in the steering system in series, ensures the contact ratio of the axes, eliminates the influence of the eccentricity of the sensors on the test result, improves the test precision, uses the original vehicle steering wheel, keeps the hand feeling consistent with the hand feeling of the original vehicle training in the test, achieves the one-to-one correspondence effect between the subjective evaluation and the objective data, and is beneficial to the training and calibration of the steering system.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of a conical flange according to the present invention;
FIG. 3 is a schematic structural view of a cross section of a splined hole flange of the present invention;
FIG. 4 is a schematic view of the installation test configuration of the present invention;
FIG. 5 is a schematic view of the connecting structure of the conical flange and the splined hole flange according to the present invention.
In the figure: 1 conical surface ring flange, 2 integral key shafts, 3 toper boss structure, 4 circular boss structure, 5 splined hole ring flanges, 6 splined holes, 7 fixed orificess, 8 counter bores, 9 square structures, 10 screw holes, 11 bolts, 12 bell mouth, 13 sensors.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-2, the present invention provides a technical solution: a test fixture for automobile steering force and a test method thereof comprise a conical surface flange plate 1, a spline hole flange plate 5 and a spline shaft 2, wherein a conical boss structure 3 is arranged at the center of the upper surface of the conical surface flange plate 1, the lower end of the spline shaft 2 is connected with the upper end of the conical boss structure 3, a square structure 9 is arranged on the matching surface of the lower end of the spline shaft 2 and the upper end of the conical boss structure 3, the moment of bearing steering moment on a connecting surface is increased through the square structure 9, so that the structure is firmer, a threaded hole 10 is arranged inside the spline shaft 2, a counter bore 8 is arranged at the center of the lower surface of the conical boss structure 3, a bolt 11 corresponding to the threaded hole 10 is arranged in the counter bore 8, the conical surface flange plate 1 and the spline shaft 2 are conveniently connected and fixed through the bolt 11, the assembly is convenient, the spline hole 6 is arranged at the center of the upper surface of the spline hole flange plate 5, and the conical hole 12 is arranged on the lower surface of the spline hole flange plate 5, the conical hole 12 is communicated with the spline hole 6, the diameter of the upper end of the conical hole 12 is smaller than that of the spline hole 6, the spline hole 6 is matched with the spline shaft 2, the spline hole 6 and the spline shaft 2 are convenient for connecting the conical flange 1 with the spline hole flange 5, the conical hole 12 is matched with the conical boss structure 3, the centers of the corresponding surfaces of the spline hole flange 5 and the conical flange 1 are respectively provided with the circular boss structure 4, the circular boss structure 4 is convenient for being matched and connected with the sensor 13, the coaxiality of the sensor 13 and a steering shaft is ensured, the corresponding fixing holes 7 are arranged at the edge of the conical flange 1 and the edge of the spline hole flange 5, the sensor 13 is convenient for being connected and fixed through the fixing holes 7, the coaxiality of the conical flange 1, the spline hole flange 5 and the sensor 13 is ensured, the test accuracy is improved, the invention connects the sensors for testing the steering force and the steering wheel rotation angle in series in a steering system, the contact ratio of the axes is ensured, the influence of the eccentricity of the sensor on the test result is eliminated, the test precision is improved, the original vehicle steering wheel is used, the hand feeling in the test is consistent with the hand feeling of the original vehicle training, the one-to-one effect between the subjective evaluation and the objective data is achieved, and the steering system training and calibration are facilitated.
A method for testing the steering force of an automobile is characterized by comprising the following steps:
s1: firstly, taking down an original vehicle steering wheel, aligning a tapered hole 12 on a splined hole flange plate 5 with the upper end of an original vehicle steering column, mounting the splined hole flange plate 5 on the original vehicle steering column, and firmly fixing the splined hole flange plate 5 and the original vehicle steering column by adopting nuts;
s2: mounting the sensor 13 on the splined hole flange 5, enabling the center of the sensor 13 to correspond to the circular boss structure 4, ensuring the coaxiality of the steering shaft and the sensor 13, and then fixing the splined hole flange 5 and the sensor 13 firmly by adopting screws;
s3: aligning the circular boss structure 4 on the lower surface of the conical flange 1 to the center of the sensor 13, and fixing the conical flange 1 on the upper surface of the sensor 13 by using screws;
s4: and finally, mounting the original steering wheel on the spline shaft 2 on the conical flange plate 1, and fixing by adopting bolts.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a test fixture of auto steering power, includes conical surface ring flange (1), splined hole ring flange (5) and integral key shaft (2), its characterized in that: the center of conical surface ring flange (1) upper surface is provided with toper boss structure (3), and the lower extreme and the toper boss structure (3) upper end of integral key shaft (2) are connected, and the inside of integral key shaft (2) is provided with screw hole (10), and the lower surface center of toper boss structure (3) is provided with counter bore (8), is provided with in counter bore (8) with screw hole (10) corresponding bolt (11), the center of splined hole ring flange (5) upper surface is provided with splined hole (6), and the lower surface of splined hole ring flange (5) is provided with bell mouth (12), and bell mouth (12) and splined hole (6) intercommunication, and splined hole ring flange (5) all are provided with circular boss structure (4) with the center of conical surface ring flange (1) corresponding face.
2. The test tool of the automobile steering force according to claim 1, characterized in that: the matching surface of the lower end of the spline shaft (2) and the upper end of the conical boss structure (3) is a square structure (9).
3. The test tool of the automobile steering force according to claim 1, characterized in that: and corresponding fixing holes (7) are formed in the edge of the conical surface flange plate (1) and the edge of the spline hole flange plate (5).
4. The test tool of the automobile steering force according to claim 1, characterized in that: the diameter of the upper end of the taper hole (12) is smaller than that of the spline hole (6), the spline hole (6) is matched with the spline shaft (2), and the taper hole (12) is matched with the conical boss structure (3).
5. A method for testing the steering force of an automobile is characterized by comprising the following steps:
s1: firstly, taking down an original vehicle steering wheel, aligning a tapered hole on a splined hole flange plate to the upper end of an original vehicle steering column, mounting the splined hole flange plate on the original vehicle steering column, and firmly fixing the splined hole flange plate and the original vehicle steering column by adopting nuts;
s2: mounting the sensor on the splined hole flange plate, enabling the center of the sensor to correspond to the circular boss structure, ensuring the coaxiality of the steering shaft and the sensor, and then fixing the splined hole flange plate and the sensor firmly by adopting screws;
s3: aligning the circular boss structure on the lower surface of the conical flange plate to the center of the sensor, and fixing the conical flange plate on the upper surface of the sensor by using screws;
s4: and finally, mounting the original steering wheel on the spline shaft on the conical flange plate, and fixing by adopting bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715422.7A CN113358261A (en) | 2021-06-27 | 2021-06-27 | Automobile steering force testing tool and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110715422.7A CN113358261A (en) | 2021-06-27 | 2021-06-27 | Automobile steering force testing tool and testing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113358261A true CN113358261A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110715422.7A Pending CN113358261A (en) | 2021-06-27 | 2021-06-27 | Automobile steering force testing tool and testing method thereof |
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| Country | Link |
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| CN (1) | CN113358261A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636501A (en) * | 2022-03-30 | 2022-06-17 | 武汉达安科技有限公司 | Torque calibration device and method for steering robot |
-
2021
- 2021-06-27 CN CN202110715422.7A patent/CN113358261A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636501A (en) * | 2022-03-30 | 2022-06-17 | 武汉达安科技有限公司 | Torque calibration device and method for steering robot |
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Address after: 2398 Muye Avenue, high tech Zone, Xinxiang City, Henan Province Applicant after: North Henan Steering System (Xinxiang) Co.,Ltd. Address before: 453000 No. 12, Heping Avenue (South), Hongqi District, Xinxiang City, Henan Province Applicant before: YUBEI STEERING SYSTEM (XINXIANG) CO.,LTD. |
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