CN215893894U - Motor vehicle steering wheel steering power steering angle detector calibrating device - Google Patents
Motor vehicle steering wheel steering power steering angle detector calibrating device Download PDFInfo
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- CN215893894U CN215893894U CN202122362354.9U CN202122362354U CN215893894U CN 215893894 U CN215893894 U CN 215893894U CN 202122362354 U CN202122362354 U CN 202122362354U CN 215893894 U CN215893894 U CN 215893894U
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Abstract
The utility model provides a calibrating device for a steering angle detector of a steering wheel of a motor vehicle, which comprises a main frame, a first unit and a second unit, wherein the first unit comprises a base, a first motor, a speed reducer, a bearing seat, a test piece tool, a torque sensor and an encoder, and the second unit comprises a left-right translation mechanism, a front-back translation mechanism, a lifting mechanism, a tension sensor and a traction rope. By adopting the technical scheme of the utility model, the test piece is only required to be installed on the test piece tool and driven by the first motor of the first unit, the torque, the rotation angle and the steering force of the steering wheel force angle gauge can be automatically detected through the torque sensor, the encoder and the tension sensor, and the detection efficiency is high. The left and right translation mechanism and the front and back translation mechanism of the second unit are convenient for adjusting the tension direction, so that the adaptation can be used for detecting the steering wheel force angle meters with different types and sizes, and the detection capability and the detection accuracy of the device are improved.
Description
Technical Field
The utility model belongs to the technical field of force angle instrument detection, and particularly relates to a calibrating device for a steering force and steering angle detector of a steering wheel of a motor vehicle.
Background
The steering wheel force angle instrument is used to measure the steering force and rotation angle of the steering wheel of automobile, tractor and other wheeled vehicles. The method is suitable for detecting static or dynamic metering parameters such as the turning angle, the steering force, the moment and the like of the steering wheel. Steering wheel force angle gauges are typically comprised of mechanical components, sensors, displays, and the like. The steering force and the torque are measured by a method that a force measuring mechanism is converted into an electric signal through a sensor and the electric signal is displayed by an instrument display; the steering angle can be converted into an electric signal through the angle measuring sensor and displayed through the instrument display or displayed through the pointer and the angle scale. The current common steering wheel force angle instrument on the market comprises a linear steering wheel force angle instrument (as shown in figure 1) and a disc type steering wheel force angle instrument (as shown in figure 2).
At present, the detection of the motor vehicle steering wheel force angle instrument is generally carried out according to JJF1196-2008 'calibration standard of motor vehicle steering wheel steering force-steering angle detector'. During detection, a special weight calibration device, a special dynamometer calibration device and a special torquemeter calibration device are adopted to perform manual detection respectively, and the detection efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a calibration device for a steering angle detector of a steering wheel of a motor vehicle.
In order to achieve the purpose, the technical scheme adopted by the utility model for solving the technical problems is as follows: a kind of motor vehicle steering wheel steering force steering angle detector calibrating device, including:
the main frame comprises a stand column, a first frame layer positioned at the top and a second frame layer positioned below the first frame layer;
the first unit is mounted on the second frame layer and comprises a base, a first motor, a speed reducer, a bearing seat, a test piece tool, a torque sensor and an encoder, wherein the speed reducer and the bearing seat are mounted on the base;
the second unit is installed on the first frame layer, the second unit comprises a left translation mechanism, a right translation mechanism, a front translation mechanism, a rear translation mechanism, an elevating mechanism, a tension sensor and a traction rope, bases of the left translation mechanism and the right translation mechanism are installed on the first frame layer, bases of the front translation mechanism and the rear translation mechanism are installed on a translation plate of the left translation mechanism and the right translation mechanism, bases of the elevating mechanism are installed on the translation plate of the front translation mechanism and the rear translation mechanism, the tension sensor is installed at the lower end of a lifting shaft of the elevating mechanism, and the traction rope is connected between the tension sensor and a tested piece.
By adopting the technical scheme of the utility model, the test piece is only required to be installed on the test piece tool and driven by the first motor of the first unit, the torque, the rotation angle and the steering force of the steering wheel force angle gauge can be automatically detected through the torque sensor, the encoder and the tension sensor, and the detection efficiency is high. The left and right translation mechanism and the front and back translation mechanism of the second unit are convenient for adjusting the tension direction, so that the adaptation can be used for detecting the steering wheel force angle meters with different types and sizes, and the detection capability and the detection accuracy of the device are improved.
Furthermore, an angle adjusting mechanism is installed on the second frame layer, the base of the first unit is installed on a rotating shaft of the angle adjusting mechanism, and the rotating shaft of the angle adjusting mechanism is perpendicular to an output shaft of the speed reducer of the first unit.
Further, angle adjustment mechanism includes hand wheel, reduction gears, first pivot, second pivot and rotation support seat, hand wheel is installed on reduction gears's the input shaft, first pivot coaxial coupling in reduction gears's output shaft, the second pivot is rotationally installed rotation support seat is last, first pivot and second pivot are connected respectively the base both sides of first unit, first pivot and the coaxial setting of second pivot level.
By adopting the preferable scheme, the angle of the tested test piece can be conveniently adjusted, and more comprehensive detection data can be conveniently acquired.
Furthermore, the left-right translation mechanism comprises a first translation guide rail, a first lead screw and a first translation plate, and the first lead screw drives the first translation plate to move left and right along the first translation guide rail.
Furthermore, the front-back translation mechanism comprises a second translation guide rail, a second screw rod and a second translation plate, and the second screw rod drives the second translation plate to move front and back along the second translation guide rail.
Further, the lifting mechanism comprises a second motor and a worm gear lifter, and a crankshaft of the second motor is connected to an input end of the worm gear lifter.
Adopt above-mentioned preferred scheme, improve structural stability and position control convenience.
Further, the test piece tool comprises a mounting disc, the mounting disc comprises a main disc body and a shaft part extending towards the back of the main disc body, the shaft part is mounted on the bearing seat, 6 radially extending inwards concave limiting grooves are formed in the outer end face of the main disc body, and a through long hole for a locking screw to penetrate through is formed in the bottom of each inwards concave limiting groove; the main tray body is also provided with a plurality of through holes arranged in rows.
By adopting the preferable scheme, the linear steering wheel force angle instrument and the disc type steering wheel force angle instrument can be simultaneously adapted to be fixedly installed, and the universality is improved.
Furthermore, the test piece tool further comprises a central supporting assembly used for supporting the circle center of the outer end face of the disc type steering wheel force angle instrument, the central supporting assembly comprises a magnetic seat, a vertical supporting rod and a cone top, the magnetic seat is attracted to the second frame layer, the vertical supporting rod is installed on the magnetic seat, and the cone top is installed on the vertical supporting rod in a liftable mode.
By adopting the preferable scheme, the stability of the center position of the detected disc type steering wheel force angle instrument is improved, and the detection accuracy is improved.
Further, the test piece tool further comprises a clamping component used for clamping an outer disc body of the disc type steering wheel force angle instrument, the clamping component comprises a first clamping block and a second clamping block which are clamped with each other, and the lower end of a traction rope of a second unit is connected onto the clamping component.
By adopting the preferred scheme, the disc type steering wheel force angle instrument to be detected can be conveniently and quickly installed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a linear steering wheel force angle gauge;
FIG. 2 is a schematic structural diagram of a disc type steering wheel angle gauge;
FIG. 3 is a schematic structural diagram of one embodiment of the present invention;
FIG. 4 is a front view of one embodiment of the present invention;
FIG. 5 is a right side view of one embodiment of the present invention;
FIG. 6 is a top view of an embodiment of the present invention;
FIG. 7 is a schematic view of the first unit;
FIG. 8 is a schematic view showing a detection state of a disc type steering wheel angle gauge;
fig. 9 is a schematic view of the detection state of the linear steering wheel force angle gauge.
Names of corresponding parts represented by numerals and letters in the drawings:
10-a main frame; 11-upright post; 12-a first shelf layer; 13-a second shelf layer; 20-a first unit; 21-a machine base; 22-a first motor; 23-a speed reducer; 24-a bearing seat; 25-test piece tooling; 251-mounting a disk; 2511-concave limiting groove; 2512-elongated holes; 2513-a through hole; 252-a central support assembly; 253-a clamping assembly; 26-a torque sensor; 27-an encoder; 30-a second unit; 31-left-right translation mechanism; 32-a front-back translation mechanism; 33-a lifting mechanism; 34-a tension sensor; 35-a hauling rope; 40-an angle adjustment mechanism; 41-hand wheel; 42-a reduction mechanism; 43-a first shaft; 44-a second shaft; 45-rotating the supporting seat; 91-linear steering wheel force angle gauge; 92-disc steering wheel goniometer.
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.
As shown in fig. 3-7, one embodiment of the present invention is: a kind of motor vehicle steering wheel steering force steering angle detector calibrating device, including:
a main frame 10 including a pillar 11, a first shelf layer 12 at the top, and a second shelf layer 13 below the first shelf layer;
the first unit 20 is mounted on the second frame layer 13, the first unit 20 comprises a base 21, a first motor 22, a speed reducer 23, a bearing seat 24, a test piece fixture 25, a torque sensor 26 and an encoder 27, the speed reducer 23 and the bearing seat 24 are mounted on the base 21, a crankshaft of the first motor 22 is connected to the input end of the speed reducer 23, an output shaft of the speed reducer 23 and a bearing of the bearing seat 24 are coaxially arranged, the test piece fixture 25 is rotatably mounted on the bearing seat 24, the torque sensor 26 is mounted between the output shaft of the speed reducer 23 and the test piece fixture 25, and the encoder 27 is coaxially connected to the output shaft of the speed reducer 23;
the second unit 30 is installed on the first frame layer 12, the second unit 30 comprises a left-right translation mechanism 31, a front-back translation mechanism 32, a lifting mechanism 33, a tension sensor 34 and a traction rope 35, bases of the left-right translation mechanism 31 are installed on the first frame layer 12, bases of the front-back translation mechanism 32 are installed on a translation plate of the left-right translation mechanism 31, bases of the lifting mechanism 33 are installed on a translation plate of the front-back translation mechanism 32, the tension sensor 34 is installed at the lower end of a lifting shaft of the lifting mechanism 33, and the traction rope 35 is connected between the tension sensor 34 and a tested piece.
The beneficial effect of adopting above-mentioned technical scheme is: only a test piece is required to be installed on a test piece tool, fig. 8 is an installation state schematic diagram of a disc type steering wheel force angle instrument, fig. 9 is an installation state schematic diagram of a linear type steering wheel force angle instrument (a limiting block and a bolt for limiting are not shown in the figure), a traction rope of a second unit pulls a force application point of the test piece, the traction rope is driven by a first motor of the first unit, the torque, the rotation angle and the steering force of the steering wheel force angle instrument can be automatically detected through a torque sensor, an encoder and a tension sensor, and the detection efficiency is high. The left and right translation mechanism and the front and back translation mechanism of the second unit are convenient for adjusting the tension direction, so that the adaptation can be used for detecting the steering wheel force angle meters with different types and sizes, and the detection capability and the detection accuracy of the device are improved.
As shown in fig. 7, in another embodiment of the present invention, an angle adjusting mechanism 40 is installed on the second frame layer 13, the angle adjusting mechanism 40 includes a hand-operated wheel 41, a speed reducing mechanism 42, a first rotating shaft 43, a second rotating shaft 44 and a rotating support 45, the hand-operated wheel 41 is installed on an input shaft of the speed reducing mechanism 42, the first rotating shaft 43 is coaxially connected to an output shaft of the speed reducing mechanism 42, the second rotating shaft 44 is rotatably installed on the rotating support 45, the first rotating shaft 43 and the second rotating shaft 44 are respectively connected to two sides of the base 21 of the first unit, and the first rotating shaft 43 and the second rotating shaft 44 are horizontally and coaxially disposed. The beneficial effect of adopting above-mentioned technical scheme is: the angle of the tested test piece is conveniently adjusted, and more comprehensive detection data can be conveniently acquired.
In other embodiments of the present invention, as shown in fig. 6, the left-right translation mechanism 31 includes a first translation guide rail, a first lead screw, and a first translation plate, wherein the first lead screw drives the first translation plate to move left and right along the first translation guide rail. The front-back translation mechanism 32 includes a second translation guide rail, a second lead screw and a second translation plate, and the second lead screw drives the second translation plate to move back and forth along the second translation guide rail. The lifting mechanism 33 comprises a second motor and a worm gear lifter, the shaft of the second motor being connected to the input of the worm gear lifter. The beneficial effect of adopting above-mentioned technical scheme is: the structural stability and the convenience of position adjustment are improved.
As shown in fig. 4, in other embodiments of the present invention, the test piece fixture 25 includes a mounting plate 251, where the mounting plate 251 includes a main plate body and a shaft portion extending to the back of the main plate body, the shaft portion is mounted on the bearing seat, 6 radially extending inner concave limiting grooves 2511 are provided on the outer end surface of the main plate body, and a through long hole 2512 for passing a locking screw is further provided at the bottom of the inner concave limiting groove 2511; a plurality of through holes 2513 arranged in rows are also provided on the main tray body. The beneficial effect of adopting above-mentioned technical scheme is: the linear steering wheel force angle instrument and the disc type steering wheel force angle instrument can be simultaneously adapted to be fixedly installed, and the universality is improved.
As shown in fig. 4, in other embodiments of the present invention, the test piece fixture further includes a central support assembly 252 for supporting a circle center of an outer end surface of the disc-type steering wheel goniometer, the central support assembly 252 includes a magnetic base, a vertical support rod, and a cone top, the magnetic base is attracted to the second frame layer, the vertical support rod is installed on the magnetic base, and the cone top is installed on the vertical support rod in a liftable manner. The beneficial effect of adopting above-mentioned technical scheme is: the stability of the center position of the detected disc type steering wheel force angle instrument is improved, and the detection accuracy is improved.
In other embodiments of the present invention, as shown in fig. 4, the test piece fixture further includes a clamping assembly 253 for clamping an outer disc body of the steering wheel goniometer, the clamping assembly 253 includes a first clamping block and a second clamping block which are engaged with each other, and a lower end of a traction rope of a second unit is connected to the clamping assembly. The beneficial effect of adopting above-mentioned technical scheme is: the quick installation of the detected disc type steering wheel force angle instrument is facilitated.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (9)
1. The utility model provides a motor vehicle steering wheel power of turning to angle detector calibrating device which characterized in that includes:
the main frame comprises a stand column, a first frame layer positioned at the top and a second frame layer positioned below the first frame layer;
the first unit is mounted on the second frame layer and comprises a base, a first motor, a speed reducer, a bearing seat, a test piece tool, a torque sensor and an encoder, wherein the speed reducer and the bearing seat are mounted on the base;
the second unit is installed on the first frame layer, the second unit comprises a left translation mechanism, a right translation mechanism, a front translation mechanism, a rear translation mechanism, an elevating mechanism, a tension sensor and a traction rope, bases of the left translation mechanism and the right translation mechanism are installed on the first frame layer, bases of the front translation mechanism and the rear translation mechanism are installed on a translation plate of the left translation mechanism and the right translation mechanism, bases of the elevating mechanism are installed on the translation plate of the front translation mechanism and the rear translation mechanism, the tension sensor is installed at the lower end of a lifting shaft of the elevating mechanism, and the traction rope is connected between the tension sensor and a tested piece.
2. The calibration device for the motor vehicle steering wheel steering force and steering angle detector according to claim 1, wherein an angle adjusting mechanism is mounted on the second frame layer, the base of the first unit is mounted on a rotating shaft of the angle adjusting mechanism, and the rotating shaft of the angle adjusting mechanism is perpendicular to an output shaft of a speed reducer of the first unit.
3. The motor vehicle steering wheel steering force steering angle detector calibrating device of claim 2, characterized in that, angle adjusting mechanism includes hand wheel, reduction gears, first pivot, second pivot and rotation support seat, hand wheel is installed on reduction gears's the input shaft, first pivot coaxial coupling in reduction gears's output shaft, the second pivot is rotationally installed rotation support seat is last, first pivot and second pivot are connected respectively the base both sides of first unit, first pivot and the coaxial setting of second pivot level.
4. The calibration device for the motor vehicle steering wheel steering angle detector of claim 1, wherein the left-right translation mechanism comprises a first translation rail, a first lead screw, and a first translation plate, and wherein the first lead screw drives the first translation plate to move left and right along the first translation rail.
5. The calibration device of the motor vehicle steering wheel steering force and steering angle detector of claim 4, wherein the fore-and-aft translation mechanism comprises a second translation guide rail, a second lead screw and a second translation plate, and the second lead screw drives the second translation plate to move fore-and-aft along the second translation guide rail.
6. The calibration device for the steering angle detector of the steering wheel of the motor vehicle as claimed in claim 5, wherein the elevating mechanism comprises a second motor and a worm gear elevator, and a shaft of the second motor is connected to an input end of the worm gear elevator.
7. The calibrating device for the steering angle detector of the steering wheel of the motor vehicle as claimed in claim 1, wherein the test piece fixture comprises a mounting disc, the mounting disc comprises a main disc body and a shaft part extending to the back of the main disc body, the shaft part is mounted on the bearing seat, 6 radially extending inward concave limiting grooves are formed in the outer end surface of the main disc body, and a through long hole for a locking screw to penetrate through is formed in the bottom of each inward concave limiting groove; the main tray body is also provided with a plurality of through holes arranged in rows.
8. The calibration device for the motor vehicle steering wheel steering force and steering angle detector according to claim 7, wherein the test piece fixture further comprises a central bearing assembly for supporting the center of the circle of the outer end face of the disc type steering wheel force angle detector, the central bearing assembly comprises a magnetic base, a vertical support rod and a cone top, the magnetic base is attracted to the second frame layer, the vertical support rod is installed on the magnetic base, and the cone top is installed on the vertical support rod in a liftable manner.
9. The calibration device for the motor vehicle steering wheel steering force and steering angle detector according to claim 8, wherein the test piece fixture further comprises a clamping assembly for clamping the outer disc body of the disc type steering wheel force angle detector, the clamping assembly comprises a first clamping block and a second clamping block which are matched with each other in a clamping manner, and the lower end of the traction rope of the second unit is connected to the clamping assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362354.9U CN215893894U (en) | 2021-09-28 | 2021-09-28 | Motor vehicle steering wheel steering power steering angle detector calibrating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122362354.9U CN215893894U (en) | 2021-09-28 | 2021-09-28 | Motor vehicle steering wheel steering power steering angle detector calibrating device |
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| CN215893894U true CN215893894U (en) | 2022-02-22 |
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| CN202122362354.9U Active CN215893894U (en) | 2021-09-28 | 2021-09-28 | Motor vehicle steering wheel steering power steering angle detector calibrating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705149A (en) * | 2022-03-30 | 2022-07-05 | 武汉达安科技有限公司 | Device and method for calibrating angle and angular speed of steering robot |
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2021
- 2021-09-28 CN CN202122362354.9U patent/CN215893894U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114705149A (en) * | 2022-03-30 | 2022-07-05 | 武汉达安科技有限公司 | Device and method for calibrating angle and angular speed of steering robot |
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