CN215373882U - Four-wheel aligner calibrating device - Google Patents
Four-wheel aligner calibrating device Download PDFInfo
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- CN215373882U CN215373882U CN202121948388.XU CN202121948388U CN215373882U CN 215373882 U CN215373882 U CN 215373882U CN 202121948388 U CN202121948388 U CN 202121948388U CN 215373882 U CN215373882 U CN 215373882U
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- wheel
- control motor
- wheel aligner
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Abstract
The utility model relates to a four-wheel aligner calibrating device. The four-wheel aligner calibration device comprises a simulation hub and a simulation kingpin; the cross connection rotating mechanism is used for connecting the simulation hub and the simulation king pin; the wheel camber control motor and the wheel camber angle encoder are arranged at two ends along the axis in the length direction of the cross connecting rotating mechanism, the wheel camber control motor drives the outward inclination angle of the simulation hub through the cross connecting rotating mechanism, and the wheel camber angle encoder is used for measuring the camber angle of the simulation hub; the main pin rotating motor, the main pin angle encoder and the main pin control motor set. The utility model provides a four-wheel aligner calibration device which can calibrate the detection precision of a four-wheel aligner, is convenient to operate and can improve the calibration efficiency.
Description
Technical Field
The utility model relates to the technical field of automobile detection, in particular to a four-wheel aligner calibrating device.
Background
The four-wheel positioning parameters of the automobile are used as important indexes of automobile safety, and photoelectric sensor type four-wheel positioning instruments or 3D optical four-wheel positioning instruments are generally adopted in the current market to detect the four-wheel positioning parameters of the automobile, such as toe-in angle, wheel camber angle, kingpin caster angle, kingpin inclination angle and the like. When each vehicle leaves a factory, the four-wheel positioning parameters have respective design requirements, if the detection result exceeds the design requirements, the overall performance and safe running of the vehicle can be influenced, and the premise that how to determine the detection precision of the four-wheel aligner is to perform accurate detection is provided.
The existing four-wheel aligner calibration equipment is heavy in whole and long in installation and calibration time. The angle parameters involved in the detection process need to be manually adjusted and set, and the error introduction is large. Some calibration devices use a differential screw knob for adjusting the calibration angle, which is low in precision and inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a calibration device for a four-wheel aligner, which can calibrate the detection precision of the four-wheel aligner, is convenient to operate and can improve the calibration efficiency.
Specifically, the utility model provides a four-wheel aligner calibration device, which comprises,
a simulation hub and a simulation kingpin;
the cross connection rotating mechanism is used for connecting the simulation hub and the simulation kingpin;
the wheel camber control motor and the wheel camber angle encoder are arranged at two ends of the cross connecting rotating mechanism along the axial line in the length direction, the wheel camber control motor drives the outward inclination angle of the simulation wheel hub through the cross connecting rotating mechanism, and the wheel camber angle encoder is used for measuring the camber angle of the simulation wheel hub;
the main pin rotating motor is used for driving the simulation main pin to rotate along the axis of the main pin rotating motor, the simulation main pin drives the cross connection rotating mechanism and the simulation wheel hub to synchronously rotate, and the main pin angle encoder is used for measuring a toe-in angle of the simulation wheel hub;
the kingpin control motor set is fixedly connected with the top of the simulation kingpin through a kingpin fixing rod, and controls the inclination angle and the caster angle of the simulation kingpin through the kingpin fixing rod, and acquires the inclination angle and the caster angle of the simulation kingpin.
According to one embodiment of the present invention, the axis direction of the cross-linked rotating mechanism is perpendicular to the self axis direction of the dummy master pin.
According to an embodiment of the utility model, the four-wheel aligner calibration apparatus further comprises a mounting fixing seat, and the master pin rotating motor and the master pin control motor set are fixedly arranged on the mounting fixing seat.
According to one embodiment of the utility model, the four-wheel aligner calibration device further comprises a master pin rotating turbine, and the master pin rotating motor drives the simulation master pin to rotate along the axis of the simulation master pin through the master pin rotating turbine.
According to an embodiment of the utility model, the four-wheel aligner calibration apparatus further comprises a universal joint, one end of the universal joint is connected with the bottom of the simulation kingpin, and the other end of the universal joint is connected with the kingpin rotating turbine.
According to one embodiment of the utility model, the four-wheel aligner calibration device further comprises a radial bearing, and the master pin fixing rod is connected with the top of the simulation master pin through the radial bearing.
According to an embodiment of the present invention, the kingpin control motor group includes a first control motor that controls a back-tilt angle of the simulation kingpin through the kingpin fixing lever, and a second control motor that controls a back-tilt angle of the simulation kingpin through the kingpin fixing lever.
According to one embodiment of the utility model, the kingpin control motor set calculates the inclination angle of the simulated kingpin according to the displacement of the first control motor and by combining a trigonometric function formula.
According to one embodiment of the utility model, the kingpin control motor assembly calculates the caster angle of the simulated kingpin according to the displacement of the second control motor and by combining a trigonometric function formula.
According to one embodiment of the utility model, the first control motor and the second control motor are high precision linear modules.
The calibration device for the four-wheel aligner provided by the utility model can calibrate the detection precision of the four-wheel aligner through the matching of the simulation hub and the simulation main pin, is convenient to operate and can improve the calibration efficiency.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the utility model as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principle of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a four-wheel aligner calibration apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a four-wheel aligner calibration apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a cross-connection rotating mechanism according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
four-wheel aligner calibrating device 100
Cross connection rotation mechanism 103
Camber control motor 104
Wheel camber angle encoder 105
Kingpin rotating electric machine 106
Kingpin angle encoder 107
Main pin control motor set 108
Kingpin fixing lever 109
Kingpin rotating turbine 111
Radial bearing 113
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Fig. 1 is a schematic structural diagram of a four-wheel aligner calibration apparatus according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a four-wheel aligner calibration apparatus according to an embodiment of the present invention. Fig. 3 is a schematic structural view of a cross-connection rotating mechanism according to an embodiment of the present invention. As shown in the figure, a four-wheel aligner calibration apparatus 100 mainly includes a simulation hub 101, a simulation kingpin 102, a cross connection rotation mechanism 103, a wheel camber control motor 104, a wheel camber angle encoder 105, a kingpin rotation motor 106, a kingpin angle encoder 107, and a kingpin control motor group 108.
The dummy hub 101 and the dummy kingpin 102 are connected by a cross connection rotation mechanism 103.
A wheel camber control motor 104 and a wheel camber angle encoder 105 are provided at both ends of the cross-linked rotary mechanism 103 along its axis in its length direction. The camber control motor 104 controls the cross-connection rotating mechanism 103 to rotate along the axial direction thereof, and then drives the simulation hub 101 to increase or decrease the outward inclination angle. The wheel camber angle encoder 105 is used to measure the camber angle of the simulated hub 101.
The kingpin rotation motor 106 is used to rotate the dummy kingpin 102 along its own axis. The simulation kingpin 102 rotates and drives the cross connection rotation mechanism 103 and the simulation hub 101 to synchronously rotate along the axis of the simulation kingpin 102. The kingpin angle encoder 107 is used to measure the toe angle of the simulated hub 101.
The kingpin control motor assembly 108 is fixedly coupled to the top of the simulated kingpin 102 via a kingpin securing lever 109. The kingpin control motor set 108 controls the caster angle and the caster angle of the dummy kingpin 102 through the kingpin fixing lever 109, and acquires the caster angle and the caster angle of the dummy kingpin 102.
The four-wheel aligner calibration device 100 provided by the utility model adopts the simulated wheels to replace the four-wheel positions of the real vehicle, and obtains the camber angle, the toe-in angle, the inclination angle and the caster angle of the simulated wheel hub 101. The detection result detected by the four-wheel aligner is compared with the four-wheel alignment parameter data presented by the four-wheel aligner calibration device 100 to determine whether the deviation between the detection result and the four-wheel aligner meets the requirement, so that the calibration of the detection precision of the four-wheel aligner is completed.
Preferably, the axial direction of the cross-connection rotating mechanism 103 is perpendicular to the self axial direction of the dummy master pin 102, so that the camber angle change and the toe-in angle change of the dummy hub 101 do not interfere with each other. Specifically, the simulation wheel hubs 101 are fixed to two ends of the cross connecting rotation mechanism 103 along the axial line thereof in the length direction, and the cross connecting rotation mechanism 103 rotates along the axial line thereof, so as to drive the simulation wheel hubs 101 to rotate along with the rotation. The simulation kingpin 102 is fixed at two ends of the cross connection rotating mechanism 103 in the direction perpendicular to the axis, and the simulation kingpin 102 rotates to drive the cross connection rotating mechanism 103 and the simulation hub 101 to rotate synchronously.
Preferably, the four-wheel aligner calibration apparatus 100 further includes a mounting fixture 110, and the kingpin rotating motor 106 and the kingpin control motor 108 are fixedly disposed on the mounting fixture 110.
Preferably, the four-wheel aligner calibration apparatus 100 further includes a kingpin rotating turbine 111. The kingpin rotation motor 106 rotates the dummy kingpin 102 along its own axis by the kingpin rotation turbine 111.
Preferably, the four-wheel aligner calibration apparatus 100 further comprises a universal joint 112. The universal joint 112 is connected at one end to the bottom of the dummy kingpin 102 and at the other end to the kingpin rotary turbine 111. The universal joint 112 is adopted, so that the rotation of the simulation kingpin 102 along the axis of the kingpin does not interfere with the change of the inclination angle and the inclination angle, and the accuracy of the detection result is ensured.
Preferably, the four-wheel aligner calibration apparatus 100 further includes a radial bearing 113. The master pin fixing lever 109 is connected to the top of the dummy master pin 102 through a radial bearing 113.
Preferably, the master pin control motor assembly 108 includes a first control motor and a second control motor. The first control motor controls the caster angle of the dummy kingpin 102 through the kingpin fixing lever 109, and the second control motor controls the caster angle of the dummy kingpin 102 through the kingpin fixing lever 109.
Preferably, the kingpin control motor assembly 108 calculates the camber angle of the simulated kingpin 102 according to the displacement of the first control motor and by combining a trigonometric function formula. Preferably, the kingpin control motor assembly 108 calculates the caster angle of the simulated kingpin 102 according to the displacement of the second control motor and by combining a trigonometric function formula. It should be noted that the present invention protects the structural features of the calibration device, and the algorithms related to calculating the angle are all the prior art in this neighborhood, and the present invention does not provide any algorithmic improvement related to calculating the angle.
Preferably, the first control motor and the second control motor are high-precision linear modules.
The utility model provides a simulated wheel device for calibrating a four-wheel aligner by referring to JJF 1489-:
1. the single simulation hub is used for simulation, so that the whole equipment is lighter and more portable;
2. the cross connection rotating mechanism is adopted, so that the whole structure is more compact and tends to the actual working condition;
3. each measurement angle adjustment all adopts electric control, combines the real time monitoring of high accuracy angle encoder, makes the regulation more accurate.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the utility model. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A four-wheel aligner calibrating device is characterized by comprising,
a simulation hub and a simulation kingpin;
the cross connection rotating mechanism is used for connecting the simulation hub and the simulation kingpin;
the wheel camber control motor and the wheel camber angle encoder are arranged at two ends of the cross connecting rotating mechanism along the axial line in the length direction, the wheel camber control motor drives the outward inclination angle of the simulation wheel hub through the cross connecting rotating mechanism, and the wheel camber angle encoder is used for measuring the camber angle of the simulation wheel hub;
the main pin rotating motor is used for driving the simulation main pin to rotate along the axis of the main pin rotating motor, the simulation main pin drives the cross connection rotating mechanism and the simulation wheel hub to synchronously rotate, and the main pin angle encoder is used for measuring a toe-in angle of the simulation wheel hub;
the kingpin control motor set is fixedly connected with the top of the simulation kingpin through a kingpin fixing rod, and controls the inclination angle and the caster angle of the simulation kingpin through the kingpin fixing rod, and acquires the inclination angle and the caster angle of the simulation kingpin.
2. The four-wheel aligner calibrating device according to claim 1, wherein the cross-linked rotating mechanism has an axial direction perpendicular to the direction of the simulation master pin's own axis.
3. The four-wheel aligner calibrating apparatus according to claim 1, wherein the four-wheel aligner calibrating apparatus further comprises a mounting fixture on which the kingpin rotating motor and the kingpin control motor set are fixedly disposed.
4. The four-wheel aligner calibrating device according to claim 3, wherein the four-wheel aligner calibrating device further comprises a kingpin rotating turbine, and the kingpin rotating motor rotates the dummy kingpin along its own axis by the kingpin rotating turbine.
5. The four-wheel aligner calibrating device according to claim 4, wherein the four-wheel aligner calibrating device further comprises a universal joint having one end connected to the bottom of the dummy king pin and the other end connected to the rotation turbine of the king pin.
6. The four-wheel aligner calibrating device according to claim 1, wherein the four-wheel aligner calibrating device further comprises a radial bearing, and the kingpin fixing lever is connected to a top of the dummy kingpin through the radial bearing.
7. The four-wheel aligner calibrating apparatus according to claim 6, wherein the kingpin control motor assembly includes a first control motor and a second control motor, the first control motor controls the caster angle of the dummy kingpin through the kingpin fixing lever, and the second control motor controls the caster angle of the dummy kingpin through the kingpin fixing lever.
8. The four-wheel aligner calibrating apparatus according to claim 7, wherein the kingpin control motor unit calculates the inclination angle of the dummy kingpin based on the displacement of the first control motor in combination with a trigonometric function formula.
9. The four-wheel aligner calibrating apparatus according to claim 7, wherein the kingpin control motor unit calculates the caster angle of the dummy kingpin according to the displacement of the second control motor in combination with a trigonometric function formula.
10. The four-wheel aligner calibration apparatus of claim 7, wherein the first control motor and the second control motor are high precision linear modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948388.XU CN215373882U (en) | 2021-08-18 | 2021-08-18 | Four-wheel aligner calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121948388.XU CN215373882U (en) | 2021-08-18 | 2021-08-18 | Four-wheel aligner calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215373882U true CN215373882U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121948388.XU Active CN215373882U (en) | 2021-08-18 | 2021-08-18 | Four-wheel aligner calibrating device |
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| CN (1) | CN215373882U (en) |
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- 2021-08-18 CN CN202121948388.XU patent/CN215373882U/en active Active
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