CN209446216U - A kind of verifying wheel hub of Vehicular hub bounce testing machine - Google Patents
A kind of verifying wheel hub of Vehicular hub bounce testing machine Download PDFInfo
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- CN209446216U CN209446216U CN201920250060.7U CN201920250060U CN209446216U CN 209446216 U CN209446216 U CN 209446216U CN 201920250060 U CN201920250060 U CN 201920250060U CN 209446216 U CN209446216 U CN 209446216U
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Abstract
The utility model provides a kind of verifying wheel hub of Vehicular hub bounce testing machine, the verifying wheel hub includes the outer toroid being fixed to each other, end plate and clamping portion, the end plate is located at one end of the outer toroid, and the end plate is fixed on by dismountable mode in the clamping portion；The clamping portion includes the first positioning hole of a positioning and clamping, and the first positioning hole is cylindrical hole, and the cylindricity of the first positioning hole is less than preset value；The excircle of the outer toroid, which includes at least, has two circles to preset the measurement cylindrical surface that axial length and bus are parallel to the axis of the first positioning hole, the axis on the measurement cylindrical surface and the axis of the first positioning hole are greater than preset value at a distance from radial direction, and the circle glitch detection value on the measurement cylindrical surface is preset first harmonic jerk value.The verifying wheel hub of the Vehicular hub bounce testing machine of the utility model, energy accurate validation bounce testing machine, and long service life, will not obscure with ordinary motor vehicle wheel hub.
Description
Technical field
The utility model relates to vehicle wheels manufacturing technologies, and in particular to a kind of Vehicular hub bounce testing machine is tested
Demonstrate,prove wheel hub.
Background technique
Vehicular hub (hereinafter referred to as wheel hub) can be deformed in processing and heat treatment process, and lead to wheel hub
Shape generates deviation.One of relatively conventional deviation is existed between the rotation axis of wheel hub and the axis of wheel hub periphery
Certain eccentric distance.When wheel hub is there are after the eccentric distance deviation, the periphery of wheel hub can go out in a rotation round
An existing jerk value maximum value (crest value) and a jerk value minimum value (valley value), by this in a revolution in engineering
Circular runout with a crest value and a valley value in phase is known as first harmonic jerk value, and evaluates the excellent of wheel hub with this
It is bad.If being equipped with the excessive wheel hub of first harmonic jerk value on motor vehicle, it will cause motor vehicle and generate in the process of moving and jolt
Or wave, it is not safe enough and comfortable for users.Therefore, general wheel hub finished product requires to carry out jerk value detection, wheel hub
Manufacturing enterprise is also all configured with the Vehicular hub bounce testing machine of special detection Vehicular hub jerk value.
Motor vehicle hub testing machine of beating according to detection mode is divided into contact and contactless.The wherein inspection of contact
Surveying principle is to be contacted using measuring part with the medial and lateral bcad seats of tested wheel hub, when wheel hub rotation, medial and lateral bcad seats
Jerk value, displacement sensor is passed to by measuring part, thus realize hub runout amount detect.Contactless glitch detection
Testing machine, as detection source, laser is directly projeced on the medial and lateral bcad seats of tested wheel hub using laser, anti-by detecting
Light is penetrated, jerk value when wheel hub rotation is calculated.
But due to being that all wheel hubs will detect, detection limit is bigger, no matter which type of Vehicular hub is tested
Machine can gradually wear out in use and lose detection accuracy, it is therefore desirable to which one has determining first harmonic jerk value
The standard wheel hub (i.e. rejected product) of numerical value carries out the verifying of first harmonic jerk value Stability and veracity to bounce testing machine, with
Ensure that the detection data of bounce testing machine is accurate and reliable.Meanwhile when needs carry out detection comparison to different hub runout testing machines
When, it is also desirable to it is a kind of with the standard wheel hub for determining first harmonic bounce numerical quantity, to complete the first harmonic between distinct device
The comparison of jerk value testing result.
But directly verified using true wheel hub, it may appear that following problem:
1) common wheel hub is batch production, and quality is more stable, and to find one has determining first harmonic bounce
Numerical quantity, and first harmonic bounce numerical quantity is relatively big, it is not easy to it looks for；
2) the standard wheel hub that common wheel hub makes is easy to change because of abrasion after repeated detection on bounce testing machine primary humorous
Wave bounce numerical quantity, leads to verifying inaccuracy.
3) the standard wheel hub that common wheel hub is done is easy after this authentication and common wheel hub is obscured and flows into lower road, leads to standard
Wheel hub is lost and defective products flows into lower road.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of verifying wheel hub of Vehicular hub bounce testing machine,
Energy accurate validation bounce testing machine, and structure is simple, long service life, will not obscure with ordinary motor vehicle wheel hub.
In order to achieve the above objectives, the technical solution of the utility model embodiment is achieved in that
A kind of verifying wheel hub of Vehicular hub bounce testing machine, including outer toroid, end plate and the clamping portion being fixed to each other,
The end plate is located at one end of the outer toroid, and the end plate is fixed on by dismountable mode in the clamping portion；The dress
Folder portion includes the first positioning hole of a positioning and clamping, and the first positioning hole is cylindrical hole, the circle of the first positioning hole
Column degree is less than preset value；The excircle of the outer toroid, which includes at least, to be had two circles to preset axial length and bus to be parallel to described the
The measurement cylindrical surface of the axis of a positioning hole, the axis on the measurement cylindrical surface and the axis of the first positioning hole are in radial direction
Distance is greater than preset value, and the circle glitch detection value on the measurement cylindrical surface is preset first harmonic jerk value.
In above scheme, the clamping portion further include with the end plate assembly boss, the end plate include with it is described convex
The second location hole of platform cooperation, after the boss is packed into the second location hole, the bus on the measurement cylindrical surface with it is described
The depth of parallelism of the axis of first positioning hole is less than preset value.
In above scheme, the two circles measurement cylindrical surface is aligned in radial outer end, and the outer toroid is in the two circle surveys
The radial dimension for measuring the excircle between cylindrical surface is less than the measurement cylindrical surface.
In above scheme, measurement vertical plane, the measurement vertical plane are respectively equipped on the outside of the two circle measurement cylindrical surfaces
Angle with the measurement cylindrical surface is 80~90 degree.
In above scheme, the clamping portion further includes the end face positioning surface with the bounce testing machine cooperation, the end face
Positioning surface is located at the one end in the clamping portion, has between the vertical plane of the axis of the end face positioning surface and the first positioning hole
The angle of default size.
In above scheme, the clamping portion further includes at least two threaded holes, the axis direction of the threaded hole with it is described
The axis direction of first positioning hole is identical, and the end plate further includes position and the matched screw via hole of the threaded hole；The dress
The fixation of folder portion and the end plate includes: then to be passed through by screw described after the boss and second location hole assembly
Screw via hole, the screw-in threaded hole are fixed.
In above scheme, the end plate is equipped at least two lightening holes being uniformly distributed along the circumference, the lightening hole and the survey
It measures cylindrical surface and is greater than preset value in radial distance.
The verifying wheel hub of the Vehicular hub bounce testing machine of the utility model embodiment, including the outer circle being fixed to each other
Ring, end plate and clamping portion, the end plate are located at one end of the outer toroid, and the clamping portion is fixed on by dismountable mode
The end plate；The clamping portion includes the first positioning hole of a positioning and clamping, and the first positioning hole is cylindrical hole, described
The cylindricity of first positioning hole is less than preset value；The excircle of the outer toroid, which includes at least, has two circles to preset axial length and mother
Line is parallel to the measurement cylindrical surface of the axis of the first positioning hole, the axis on the measurement cylindrical surface and the first positioning hole
Axis be greater than preset value in radial distance, the circle glitch detection value on the measurement cylindrical surface is that preset first harmonic is jumped
Momentum；As it can be seen that the verifying wheel hub of the Vehicular hub bounce testing machine of the utility model embodiment, it can accurate validation bounce test
Machine, and structure is simple, long service life, will not obscure with ordinary motor vehicle wheel hub.
Other beneficial effects of the utility model embodiment will combine specific technical solution into one in a specific embodiment
Walk explanation.
Detailed description of the invention
Fig. 1 is the schematic diagram of the verifying wheel hub of one Vehicular hub of the utility model embodiment bounce testing machine；
Fig. 2 be Fig. 1 in A-A to schematic diagram；
Fig. 3 is the signal in clamping portion in the verifying wheel hub of one Vehicular hub of the utility model embodiment bounce testing machine
Figure；
Fig. 4 is the schematic diagram of the verification method of two Vehicular hub of the utility model embodiment bounce testing machine.
Specific embodiment
It should be noted that the term " Yi Er third " that the utility model embodiment such as relates to is only to distinguish
Similar object does not represent the particular sorted for object, it is possible to understand that ground, " first second third " is in the case where permission
Specific sequence or precedence can be interchanged.
The utility model embodiment provides a kind of verifying wheel hub of Vehicular hub bounce testing machine, the verifying wheel hub
Including outer toroid, end plate and the clamping portion being fixed to each other, the end plate is located at one end of the outer toroid, and the clamping portion passes through
Dismountable mode is fixed on the end plate；The clamping portion include one positioning and clamping first positioning hole, described first
Location hole is cylindrical hole, and the cylindricity of the first positioning hole is less than preset value；The excircle of the outer toroid, which includes at least, to be had
The default axial length of two circles and bus are parallel to the measurement cylindrical surface of the axis of the first positioning hole, the measurement cylindrical surface
Axis and the axis of the first positioning hole are greater than preset value, the circle glitch detection value on the measurement cylindrical surface at a distance from radial direction
It is preset first harmonic jerk value.
Here the outer toroid, in order to simulate true Vehicular hub, bus is not straight line, i.e., is not mark
Quasi- annulus, it is understood, however, that, it is also possible if the annulus for being set as standard is used to verify.
Here, the measurement cylindrical surface is the face for measuring circle bounce；The verifying wheel hub is positioned by described first
The Vehicular hub bounce testing machine is fixed in hole, and the Vehicular hub bounce testing machine is provided with the folder including tensioner column
Tool, the tensioner column are inserted into tensioner after the first positioning hole, and the verifying wheel hub is clamped.
The cylindricity of the first positioning hole is less than preset value, can just make to position more acurrate；The axis on the measurement cylindrical surface
It is the default gauge head contact for being easy for measuring circle bounce to length；The circle glitch detection value on the measurement cylindrical surface is preset
First harmonic jerk value；The i.e. described verifying wheel hub is rejected product, it is underproof the reason is that it is described measurement cylindrical surface axis with
(because pivot center is determined by the axis of first positioning hole) caused by the pivot center on the measurement cylindrical surface is inconsistent,
The i.e. described verifying wheel hub simulates the axis and the unqualified wheel hub of pivot center out-of-alignment of outer circle, is able to verify that wheel for motor vehicle in this way
Hub bounce testing machine；In fact, the Vehicular hub is also configured with the mounting hole on the wheel shaft for being installed to motor vehicle, the peace
Fill hole equally will appear and the wheel hub outer circle out-of-alignment deviation as the first positioning hole, therefore the utility model
The structural principle and true Vehicular hub of the verifying wheel hub of embodiment are consistent.
The verifying wheel hub of the Vehicular hub bounce testing machine of the utility model embodiment, can accurate validation bounce test
Machine, and structure is simple, long service life, will not obscure with ordinary motor vehicle wheel hub.
The utility model embodiment additionally provides a kind of verification method of Vehicular hub bounce testing machine, the method packet
It includes:
The verifying wheel hub clamping for meeting preset requirement is measured into verifying to the first bounce testing machine, obtains verifying number
According to；
When the verify data meets preset requirement, it is default to determine that the measurement accuracy of the first bounce testing machine meets
It is required that otherwise, it determines the measurement accuracy of the first bounce testing machine does not meet preset requirement.
Here, the verifying wheel hub for meeting preset requirement meets default for the fluctuation of the circular runout of the verifying wheel hub
It is required that the measurement cylindrical surface of the specifically described verifying wheel hub and the circle glitch detection value of measurement vertical plane are preset first harmonic
Jerk value, i.e., typical rejected product；The first bounce testing machine is the bounce testing machine of unknown measurement accuracy, the verifying
Data fit preset requirement refers to the fluctuation feelings for the circle bounce that verifying wheel hub is detected in the bounce testing machine of unknown measurement accuracy
Condition meets the actual circle bounce fluctuation situation of the verifying wheel hub.
In one embodiment, described to carry out the verifying wheel hub clamping for meeting preset requirement to the first bounce testing machine
Measurement verifying, obtains verify data, comprising:
The verifying wheel hub clamping of preset requirement will be met to the first bounce testing machine, the first bounce test
Machine measures circle bounce of the predetermined patterns in radial and axial both direction of the verifying wheel hub respectively, and each direction at least measures
64 points, then at least repeated clamping 3 times, each clamping all detects, and will test data and carries out presupposition analysis processing, described in acquisition
Verify data.
Here, the predetermined patterns can be above-mentioned measurement cylindrical surface and measurement vertical plane, it can while detection is tested
Wheel hub is demonstrate,proved in the circle bounce of radial and axial both direction；It is since it is desired that according to Fourier that each direction, which at least measures 64 points,
Functional expansion, which calculates, to be required, and points take 2 n times power；Points can be 64 or 128 when rough measure, strictly measure time point
Number can be 512, and points can be 1024 or 2048 when tightened up measurement.As for repeat detection be for 3 times in order to avoid
Error in detection, such as gauge head have dust.Number is more, more accurate.
Here presupposition analysis processing, both includes Fourier transformation, also includes calculating the statistical dispositions such as standard deviation.
By being measured after multiple clamping, in addition to be able to verify that it is described first bounce testing machine measurement accuracy, be also able to verify that institute
State the clamping reliability of the second bounce testing machine.
The circle bounce data of verifying wheel hub are obtained by fourier function, it is more scientific accurate, it is a kind of preferred embodiment.Energy
It is enough to understand, measuring point is chosen using the requirement of other methods in addition to fourier function and measurement is counted, obtains verifying number
According to also possible.
In one embodiment, it is described will meet the verifying wheel hub clamping of preset requirement to the first bounce testing machine into
Row measurement verifying, before obtaining verify data, the method also includes:
By the verifying wheel hub clamping to the second bounce testing machine, the second bounce testing machine measures the verifying respectively
For the predetermined patterns of wheel hub in the circle bounce of radial and axial both direction, each direction at least measures 64 points, and at least repeats
Detection 3 times obtains the first circle jitter values；
The first circle jitter values are subjected to Fourier transformation, second after obtaining the verifying wheel hub rejecting clamping error
Circle jitter values；
The second circle jitter values are subjected to default statistical disposition, obtain the radial and axial both direction of the verifying wheel hub
Circle jitter values fluctuation situation statistical data；
When the statistical data is located at preset range, determine that the verifying wheel hub meets preset requirement.
Here, the statistical data is whether the detection verifying wheel hub meets preset requirement, serves as the institute of measurement work
The bounce testing machine that the second bounce testing machine is known measurement accuracy is stated, the preset requirement is the circle bounce of the verifying wheel hub
The fluctuation of amount meets first harmonic jerk value, i.e., typical rejected product.
Here, the predetermined patterns can be above-mentioned measurement cylindrical surface and measurement vertical plane, it can while detection is tested
Wheel hub is demonstrate,proved in the circle bounce of radial and axial both direction；The default statistical disposition is that the circle bounce data that will be obtained are counted
The statistical dispositions such as standard deviation are calculated, and draw sine curve accordingly.
Here 64 points that at least measure are also the calculating needs to meet fourier function；It is at least repeated clamping 3 times
In order to avoid the influence of clamping error.
Below in conjunction with drawings and the specific embodiments, the present invention will be further described in detail.It should be appreciated that herein
Described specific embodiment only to explain the utility model, is not used to limit the utility model.
Embodiment one
Fig. 1 is the schematic diagram of the verifying wheel hub of one Vehicular hub of the utility model embodiment bounce testing machine, and Fig. 2 is figure
In 1 A-A to schematic diagram, as shown in Figure 1, 2, the verifying wheel hub of Vehicular hub bounce testing machine includes being fixed to each other
Outer toroid 11, end plate 12 and clamping portion 13, the end plate 12 are located at one end of the outer toroid 11, and the clamping portion 13 passes through can
The mode of disassembly is fixed on the end plate 12；The clamping portion 13 includes the first positioning hole 131 of a positioning and clamping, described
First positioning hole 131 is cylindrical hole, and the first positioning hole 131 is used to match with the fixture of Vehicular hub bounce testing machine
It closes；The cylindricity of the first positioning hole 131 is less than preset value, could be accurately positioned in this way；The excircle of the outer toroid 11
Including at least there is two circles to preset the measurement cylindrical surface 111 that axial length and bus are parallel to the axis of the first positioning hole 131,
The axis on the measurement cylindrical surface and the axis of the first positioning hole are e at a distance from radial direction, the measurement cylindrical surface 111
Circle glitch detection value is preset first harmonic jerk value；The i.e. described measurement cylindrical surface 111 is the face for measuring circle bounce,
The verifying wheel hub is rejected product, underproof the reason is that the axis on the measurement cylindrical surface and turning for the measurement cylindrical surface
(because pivot center is determined by the axis of first positioning hole) caused by shaft line is inconsistent, i.e., the described verifying wheel hub simulation
The axis of outer circle and the unqualified wheel hub of pivot center out-of-alignment out are able to verify that Vehicular hub bounce testing machine in this way.
Here, e value has to be larger than preset value, and the size of the preset value is the circular runout in order to ensure that verifying wheel hub
The gap for measuring the crest value and valley value in a rotation round is sufficiently large, can make the radial run-out inspection of the verifying wheel hub
Measured value is preset first harmonic jerk value, can just play the purpose of verifying bounce testing machine, and e value is preferably in the present embodiment
Value is 1~2mm.
In the present embodiment, the clamping portion 13 further includes the boss 132 with the end plate 12 assembly, and the end plate 12 includes
With the second location hole 121 of the boss 132 cooperation, after the boss 132 is packed into the second location hole 121, the survey
The depth of parallelism for measuring the bus on cylindrical surface 111 and the axis of the first positioning hole 131 is less than preset value, i.e., to boss 132, second
Size, shape and the position of location hole 121 propose requirement.In this way, the assembly in clamping portion 13 and the end plate 12 is easier, and
Mutual positional relationship positioning is more quasi-.The clamping portion 13 and the end plate 12 are fixed by the installation that hole axle cooperates, and are not only held
Easily guarantee installation accuracy (precision mainly positioned), and also simplify processing method, is preferred embodiment.
In the present embodiment, the two circles measurement cylindrical surface 111 is aligned in radial outer end, and the outer toroid 11 encloses institute two
The radial dimension for stating the excircle between measurement cylindrical surface 111 is less than the measurement cylindrical surface 111.In this way, more meeting true
Vehicular hub shape is also convenient for measuring, and specifically, the two circles measurement cylindrical surface 111 is aligned in radial outer end, i.e. outer circle
Face is contour in the horizontal plane, and circle glitch detection head is easier to arrange, measurement is more convenient.The two circle measurement cylindrical surfaces 111 it
Between excircle radial dimension be less than the measurement cylindrical surface 111, be for resigning, that is, avoid justify glitch detection head encounter,
Measurement accuracy is influenced, also, is also easier to guarantee the precision and processing efficiency of the periphery on the two circles measurement cylindrical surface 111.
In the present embodiment, the outside on the two circles measurement cylindrical surface 111 is equipped with measurement vertical plane 112, and the measurement is perpendicular
It is 80~90 degree that 112 are faced directly with the angle for measuring cylindrical surface 111, is convenient for while placing the diameter of measurement radial run-out in this way
The axial gauge head beated to gauge head and measurement axial circular, improves the accuracy of detection positioning.In this way, in addition to the radial circle of measurement is jumped
It is dynamic, moreover it is possible to measure axial circular bounce, the outer round jump of the radial run-out i.e. the periphery for measuring cylindrical surface 111
It is dynamic, the Circular Run-out Tolerance of the axial circular bounce i.e. the measurement vertical plane 112.It is understood that only surveying outer round bounce
It is also possible, alternatively, the measurement vertical plane 112 and the angle on the measurement cylindrical surface 111 are also possible to other angles.
In the present embodiment, as shown in figure 3, the clamping portion 13 further includes positioning with the end face of the bounce testing machine cooperation
Face 133, the end face positioning surface 133 are located at the one end in the clamping portion 13, the end face positioning surface 133 and first positioning
There is angle h between the vertical plane of the axis in hole 131.The end face positioning surface 133 is also for positioning the verifying wheel hub, h
Presence, make verify wheel hub installation site there is certain deviation, can make it is described verifying wheel hub axial circular glitch detection
Value be preset first harmonic jerk value, also, h value be also required to it is sufficiently large, can guarantee in this way verifying wheel hub axial runout amount
The gap of crest value and valley value in a rotation round is sufficiently large, can just play the purpose of verifying bounce testing machine, and
The value of h can be 2~5 degree in the present embodiment.
In the present embodiment, the clamping portion 13 further includes at least two threaded holes 134, the axis side of the threaded hole 134
To identical as the axis direction of the first positioning hole 131, the end plate 12 further includes that position and the threaded hole 134 are matched
Screw via hole；The fixation of the clamping portion 13 and the end plate 12 includes: in the boss 132 and the second location hole 121
After assembly, then it is fixed across the screw via hole, the screw-in threaded hole 134 by screw 14.It is fixed simple in this way, assembly and disassembly side
Just.The quantity of threaded hole 134 described in the present embodiment and screw via hole is preferably respectively 5.
In the present embodiment, the end plate 12 is equipped at least two lightening holes 123 being uniformly distributed along the circumference, in this way, verifying wheel hub
It is lighter and handier, the load of Vehicular hub bounce testing machine is reduced, the clamp load of fixture can be also mitigated, avoids changing position in measurement
It sets.The lightening hole 123 is greater than preset value with the measurement cylindrical surface 111 at a distance from radial direction, can guarantee verifying wheel hub in this way
Intensity.The quantity of lightening hole 123 described in the present embodiment is preferably 20.
Embodiment two
Fig. 4 is the schematic diagram of the verification method of two Vehicular hub of the utility model embodiment bounce testing machine, such as Fig. 4 institute
Show, described method includes following steps:
Step 401: by the verifying wheel hub clamping to the second bounce testing machine, the second bounce testing machine measures respectively
Circle bounce of the predetermined patterns of the verifying wheel hub in radial and axial both direction, 512 points of each orientation measurement, acquisition 1
A round jitter values；Here, the predetermined patterns are measurement cylindrical surface 111 and measurement vertical plane 112；
Step 402: step 401 being repeated into detection 10 times, obtains 10 round jitter values, that is, obtains the first circle jitter values；By
It is more in measurement point position, and detect repeatedly, more accurate detection data can be obtained
Step 403: the first circle jitter values being subjected to Fourier transformation, the verifying wheel hub is obtained and rejects clamping error
The second circle jitter values afterwards；The clamping error refer to positioned in clamping it is inaccurate caused by error；
Step 404: the second circle jitter values being subjected to statistical disposition, obtain described verifying wheel hub radial and axial two
The statistical data of the fluctuation situation of the circle jitter values in direction；Specifically, the fluctuation situation is a sine curve, specific point
Analysis method is jerk value harmonic analysis method, is a kind of common method of analysis Vehicular hub circle bounce, is not described further, reference can be made to
The paper " research of aluminium alloy wheel hub bounce testing machine scaling method " of " engineering and test " periodical 04 phase in 2013；
Step 405: when the statistical data meets preset requirement, the verifying wheel hub clamping being tested to the first bounce
Machine, the predetermined patterns that the first bounce testing machine measures the verifying wheel hub respectively are jumped in the circle of radial and axial both direction
Dynamic, 512 points of each orientation measurement obtain 1 round jitter values；
Step 406: by described verifying wheel hub repeated clamping 10 times, detecting, will test by step 405 mode after each clamping
Data carry out presupposition analysis processing, obtain verify data；With step 404, the verify data is also that reflection verifying wheel hub circle is jumped
Dynamic fluctuation situation is a sine curve；Here, by being measured after multiple clamping, in addition to being able to verify that the first bounce examination
The measurement accuracy of machine is tested, is also able to verify that the clamping reliability of the first bounce testing machine.
When the verify data meets preset requirement, it is default to determine that the measurement accuracy of the first bounce testing machine meets
It is required that otherwise, it determines the measurement accuracy of the first bounce testing machine does not meet preset requirement.
By the above method, the verifying wheel hub energy accurate validation bounce testing machine, and structure is simple, long service life,
It will not obscure with ordinary motor vehicle wheel hub.
The above, the only preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model.
Claims (7)
1. a kind of verifying wheel hub of Vehicular hub bounce testing machine, which is characterized in that the verifying wheel hub includes being fixed to each other
Outer toroid, end plate and clamping portion, the end plate is located at one end of the outer toroid, and the clamping portion passes through dismountable mode
It is fixed on the end plate；The clamping portion includes the first positioning hole of a positioning and clamping, and the first positioning hole is cylinder
The cylindricity in hole, the first positioning hole is less than preset value；The excircle of the outer toroid, which includes at least, has two circles default axial
Length and bus are parallel to the measurement cylindrical surface of the axis of the first positioning hole, the axis on the measurement cylindrical surface and described the
The axis of a positioning hole is greater than preset value in radial distance, and the circle glitch detection value on the measurement cylindrical surface is preset one
Subharmonic jerk value.
2. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 1, which is characterized in that the clamping portion
It further include the boss with end plate assembly, the end plate includes the second location hole with boss cooperation, in the boss
After being packed into the second location hole, the depth of parallelism of the axis of the bus and first positioning hole on the measurement cylindrical surface is less than pre-
If value.
3. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 2, which is characterized in that the two circle surveys
It measures cylindrical surface to be aligned in radial outer end, the radial dimension of excircle of the outer toroid between the two circles measurement cylindrical surface
Less than the measurement cylindrical surface.
4. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 3, which is characterized in that the two circle surveys
Measurement vertical plane is respectively equipped on the outside of amount cylindrical surface, the measurement vertical plane and the angle for measuring cylindrical surface are 80~90
Degree.
5. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 4, which is characterized in that the clamping portion
It further include the end face positioning surface with the bounce testing machine cooperation, the end face positioning surface is located at the one end in the clamping portion, institute
State the angle for having default size between the vertical plane of the axis of end face positioning surface and the first positioning hole.
6. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 5, which is characterized in that the clamping portion
It further include at least two threaded holes, the axis direction of the threaded hole is identical as the axis direction of the first positioning hole, described
End plate further includes position and the matched screw via hole of the threaded hole；The fixation of the clamping portion and the end plate includes: in institute
After stating boss and second location hole assembly, then the screw via hole passed through by screw, the screw-in threaded hole is fixed.
7. the verifying wheel hub of Vehicular hub bounce testing machine according to claim 6, which is characterized in that the end plate is set
There are at least two lightening holes being uniformly distributed along the circumference, the lightening hole is greater than at a distance from radial direction default with the measurement cylindrical surface
Value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250060.7U CN209446216U (en) | 2019-02-27 | 2019-02-27 | A kind of verifying wheel hub of Vehicular hub bounce testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250060.7U CN209446216U (en) | 2019-02-27 | 2019-02-27 | A kind of verifying wheel hub of Vehicular hub bounce testing machine |
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| Publication Number | Publication Date |
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| CN209446216U true CN209446216U (en) | 2019-09-27 |
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| CN201920250060.7U Withdrawn - After Issue CN209446216U (en) | 2019-02-27 | 2019-02-27 | A kind of verifying wheel hub of Vehicular hub bounce testing machine |
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2019
- 2019-02-27 CN CN201920250060.7U patent/CN209446216U/en not_active Withdrawn - After Issue
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