CN107631685A - Inner thickness determines device and assay method - Google Patents
Inner thickness determines device and assay method Download PDFInfo
- Publication number
- CN107631685A CN107631685A CN201710451363.0A CN201710451363A CN107631685A CN 107631685 A CN107631685 A CN 107631685A CN 201710451363 A CN201710451363 A CN 201710451363A CN 107631685 A CN107631685 A CN 107631685A
- Authority
- CN
- China
- Prior art keywords
- roller
- current sensor
- eddy current
- inner thickness
- tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003556 assay Methods 0.000 title claims description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 55
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 229920005668 polycarbonate resin Polymers 0.000 claims description 4
- 239000004431 polycarbonate resin Substances 0.000 claims description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 23
- 229910052751 metal Inorganic materials 0.000 description 23
- 238000005259 measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Tires In General (AREA)
Abstract
The present invention provides the tire that a kind of even inner peripheral surface is significantly bent also can be with the inner thickness determination techniques of the inner thickness of short period Accurate Determining tire throughout complete cycle.A kind of inner thickness determines device, and its inner thickness to the pneumatic tire with steel cord is measured, and the inner thickness measure device possesses：Roller, it is used in rotary moving along the inner peripheral surface of pneumatic tire；And eddy current sensor, it is built in roller, eddy current sensor by relative to roller it is in rotary moving it is independent in a manner of be fixed to front end towards fixed-direction, in the measure of inner thickness, so that the state that the front end of eddy current sensor is opposed with the inner peripheral surface of pneumatic tire, roller is moved along the inner peripheral surface of tire, the measure of inner thickness is thus carried out using eddy current sensor.
Description
Technical field
The inner thickness that the thickness of the inner liner of the inner peripheral surface of pneumatic tire is configured at the present invention relates to measure determines device
And the inner thickness assay method using above-mentioned inner thickness measure device.
Background technology
Pneumatic tire is manufactured by overlapping stickup inner liner, the various materials such as casingply, annulus, tyre surface.
Now, in the pneumatic tire produced, if the inner liner for being configured at most inner peripheral surface is thinning, carcass ply be present
Therefore the steel cord of layer, all passes through after fabrication all the time to the inner peripheral surface emersion of tire and as the worry of bad tire
The thickness (inner thickness) for determining inner liner carries out finished product inspection.
All the time, the measure of the inner thickness uses the eddy current sensor 20 shown in (a) in Figure 10.It is specific and
Speech, operating personnel press on eddy current sensor 20 with hand the measuring point A ((b) in reference picture 10) of tire T inner peripheral surface,
The distance of steel cord from the front end of eddy current sensor 20 to casingply is measured, and using the value as inner side
Thickness.
In the past, measuring point A was set in 4 positions or so in the circumference of tire T inner peripheral surface, but in recent years, added
Measuring point, as shown in (c) in Figure 10, throughout tire T inner peripheral surface complete cycle be measured, thus it is expected carry out it is more accurate
Inspection.
If however, it is intended to be surveyed throughout tire T complete cycle by the existing method with hand pressing eddy current sensor
Fixed, then measure spends the time, causes the generation of the loss of work.
Therefore, study using the fixture described in patent document 1,2 as inner thickness and determine device to use.The fixture is
The fixture used in being checked in the defects of plane structure such as steel board, as shown in Figure 11, Figure 12, links by framework 51
Multiple rollers 52 between be configured with eddy current sensor 20, also, the roller 52 is moved on the surface of check object, thus enter
Measure of the row based on eddy current sensor 20.
Patent document 1：Japanese Unexamined Patent Publication 2008-151588 publications
Patent document 2：Japanese Unexamined Patent Publication 2008-249682 publications
However, the inner peripheral surface of tire is different from the plane measure object (steel board etc.) in above-mentioned patent document 1,2,
Because the inner peripheral surface of tire is bent, thus determined in the inner thickness that the fixture shown in Figure 11, Figure 12 is used for pneumatic tire
In the case of, the inner peripheral surface that tire of the larger framework 51 for supporting multiple rollers 52 with bending be present is contacted and can not realized accurately
The worry of range determination.
In addition, in the inner peripheral surface movement of tire, the feelings that a part for multiple rollers 52 floats from the inner peripheral surface of tire be present
Condition.If floating for roller 52 as producing, becomes from the front end of eddy current sensor 20 to the distance of the inner peripheral surface of tire
Change, the measurement result of inner thickness produces deviation, thus can not realize accurate range determination.
The content of the invention
Therefore, problem of the invention be to provide a kind of tire that even inner peripheral surface is significantly bent also can be throughout whole
All ground determines the inner thickness determination techniques of the inner thickness of tire with the short period exactly.
The present inventor is furtherd investigate, and is found to can solve the problem that above-mentioned problem by the invention of following record, is thus completed
The present invention.
Invention described in technical scheme 1 is a kind of inner thickness measure device, and it is to the pneumatic tire with steel cord
Inner thickness be measured,
Above-mentioned inner thickness measure device is characterised by possessing：
Roller, it is used in rotary moving along the inner peripheral surface of above-mentioned pneumatic tire；And
Eddy current sensor, it is built in above-mentioned roller,
Above-mentioned eddy current sensor by relative to above-mentioned roller it is in rotary moving it is independent in a manner of be fixed to front end towards solid
Determine direction,
In the measure of above-mentioned inner thickness, so that the front end of above-mentioned eddy current sensor and the inner circumferential of above-mentioned pneumatic tire
The opposed state in face, inner peripheral surface of the above-mentioned roller along above-mentioned tire is moved, thus carried out using above-mentioned eddy current sensor above-mentioned
The measure of inner thickness.
On the basis of the inner thickness measure device described in technical scheme 1, it is special for invention described in technical scheme 2
Sign is,
Above-mentioned inner thickness measure device possesses the rotary shaft for supporting above-mentioned roller,
Above-mentioned eddy current sensor is installed on the rotary shaft of above-mentioned roller, and above-mentioned eddy current sensor is with relative to above-mentioned roller
Independent mode in rotary moving is fixed.
On the basis of the inner thickness measure device described in technical scheme 2, it is special for invention described in technical scheme 3
Sign is,
The ball bearing of ceramics system is configured between above-mentioned roller and above-mentioned rotary shaft, above-mentioned eddy current sensor is with relative
Fixed in the independent mode of the rotation of above-mentioned roller.
Inner thickness measure of the invention in technical scheme 1~3 described in any technical scheme described in technical scheme 4
On the basis of device, it is characterised in that
Above-mentioned roller is made up of a pair of discs shape rotating part, with relative to above-mentioned circle between above-mentioned a pair of discs shape rotating part
The independent mode in rotary moving of plate-like rotating part and be fixed with above-mentioned eddy current sensor.
On the basis of the inner thickness measure device described in technical scheme 4, it is special for invention described in technical scheme 5
Sign is,
The protection band volume protected to the above-mentioned eddy current sensor being configured between above-mentioned a pair of discs shape rotating part
It is around in the peripheral part of above-mentioned a pair of discs shape rotating part.
On the basis of the inner thickness measure device described in technical scheme 1, it is special for invention described in technical scheme 6
Sign is,
The central portion of the width of the inside of above-mentioned roller is provided with the ditch of the outer surface depressions towards above-mentioned roller,
Above-mentioned eddy current sensor is accommodated in above-mentioned ditch, and is built in above-mentioned roller.
Inner thickness measure of the invention in technical scheme 1~6 described in any technical scheme described in technical scheme 7
On the basis of device, it is characterised in that
Above-mentioned roller is provided with sensor orientation adjustment mechanism, the sensor orientation adjustment mechanism senses to above-mentioned vortex flow
The installation direction of device is adjusted and fixes above-mentioned eddy current sensor.
On the basis of the inner thickness measure device described in technical scheme 7, it is special for invention described in technical scheme 8
Sign is,
The sensor direction adjusting mechanism adjusts above-mentioned vortex flow in the range of 180 ° of the latter half of above-mentioned roller
The installation direction of sensor and fixed above-mentioned eddy current sensor.
Inner thickness measure of the invention in technical scheme 1~8 described in any technical scheme described in technical scheme 9
On the basis of device, it is characterised in that
Above-mentioned roller is nonmetallic system.
Invention described in technical scheme 10 on the basis of the inner thickness measure device described in technical scheme 9, its
It is characterised by,
Above-mentioned roller is any one in polyformaldehyde resin, polycarbonate resin, polyvinyl resin system.
Inner thickness of the invention in technical scheme 1~10 described in any technical scheme described in technical scheme 11 is surveyed
On the basis of determining device, it is characterised in that
Above-mentioned roller is more than 2.
Invention described in technical scheme 12 in 1~technical scheme of technical scheme 11 described in any technical scheme in
On the basis of the apparatus for measuring thickness of side, it is characterised in that
Above-mentioned pneumatic tire is TB tires.
Invention described in technical scheme 13 is a kind of inner thickness assay method, and it, which is used in technical scheme 1~12, appoints
Inner thickness measure device described in one technical scheme is measured to the inner thickness of pneumatic tire,
The inner thickness assay method is characterised by,
So that the state that the above-mentioned front end of above-mentioned eddy current sensor is opposed with the inner peripheral surface of above-mentioned pneumatic tire, makes above-mentioned
Inner peripheral surface of the roller along above-mentioned tire is moved, and the measure of above-mentioned inner thickness is thus carried out using above-mentioned eddy current sensor.
In accordance with the invention it is possible to provide the tire of even inner peripheral surface bending a kind of also can throughout complete cycle with it is shorter when
Between determine exactly tire inner thickness inner thickness determination techniques.
Brief description of the drawings
Fig. 1 is the stereogram of the inner thickness measure device involved by one embodiment of the present invention.
Fig. 2 is the structure for schematically showing the inner thickness measure device involved by the individual embodiment of the present invention
Figure, (a) is side view, and (b) is front view.
Fig. 3 is the side amplification stereogram of the inner thickness measure device involved by one embodiment of the present invention.
Fig. 4 is the figure illustrated to the inner thickness assay method involved by one embodiment of the present invention.
Fig. 5 is the stereogram for illustrating embodiment.
Fig. 6 is the figure for the output for representing the eddy current sensor in embodiment.
Fig. 7 is the figure of the relation of the distance for the output and pitch metal lines for representing the eddy current sensor in embodiment.
Fig. 8 be represent density be 14 in the case of eddy current sensor output and pitch metal lines distance relation
Figure.
Fig. 9 be represent density be 32 in the case of eddy current sensor output and pitch metal lines distance relation
The figure of other examples.
Figure 10 is the figure illustrated to the measure of existing inner thickness.
Figure 11 is the side view of the example for the measure device for representing to possess eddy current sensor.
Figure 12 is the side view of the other examples for the measure device for representing to possess eddy current sensor.Description of reference numerals：
10th, 52... rollers；11... discoid rotating part；12... protection band；13... rotary shaft；14... distribution；15...
Determination part；16... bolt；20... eddy current sensor；30... metal wire；51... framework；A... measuring point；CP... carcass
Casing ply；IL... inner liner；SC... steel cord；T... tire.
Embodiment
1. inner thickness determines device
(1) summary
Fig. 1 is the stereogram for the outward appearance for representing the inner thickness measure device involved by present embodiment.Moreover, Fig. 2 is
The figure of the structure of the inner thickness measure device involved by present embodiment is schematically shown, (a) in Fig. 2 is side view,
(b) in Fig. 2 is front view.In addition, Fig. 3 is the side amplification solid of the inner thickness measure device involved by present embodiment
Figure.
As shown in Figure 1 and Figure 2, the inner thickness measure device involved by present embodiment possesses roller 10 and vortex flow sensing
Device 20, eddy current sensor 20 are built in roller 10.
Roller 10 can be in rotary moving along the inner peripheral surface of pneumatic tire.On the other hand, eddy current sensor 20 is with front end direction
The mode of fixed-direction is fixed independently of the in rotary moving of roller 10, and thereby, it is possible to will detect the vortex flow sensing of vortex flow
The front end of device 20 is fixed as opposed with the inner peripheral surface of pneumatic tire.
Device is determined using the inner thickness having a structure in which, roller 10 is moved along the inner peripheral surface of tire in complete cycle,
Complete cycle thus, it is possible to the inner peripheral surface throughout tire is so that the front end of eddy current sensor 10 and the opposed shape of the inner peripheral surface of tire
State carries out the measure of inner thickness.
Therefore, with operating personnel while the complete cycle throughout the inner peripheral surface of tire carries out pressing while carrying out inner thickness with hand
The conventional situation of measure compare, the measure of inner thickness can be carried out with the time of much shorter than ever.
Moreover, in the present embodiment, it is different from the measure device shown in Figure 11, Figure 12, whirlpool electricity is set not between roller
Flow sensor, eddy current sensor 20 are built in roller 10, it is thus possible to by determine device it is compact in size extremelyIt is left
It is right.As a result, the supporting member of the roller 10 of supporting eddy current sensor and the inner circumferential of the tire significantly bent will not be produced
The situation of face contact, being capable of Accurate Determining inner thickness.
(2) concrete structure
Hereinafter, the part that device is determined to forming the inner thickness involved by present embodiment specifically illustrates.
(a) roller and eddy current sensor
In the present embodiment, for example, as shown in Fig. 2 roller 10 is made up of a pair of discs shape rotating part 11, in a pair of discs
It is built-in between shape rotating part 11 to be configured with eddy current sensor 20.Moreover, eddy current sensor 20 is with its front end direction fixation side
To mode fixed independently of the in rotary moving of roller 10., can be so that vortex flow senses by being formed as such structure
The front end of device 20 state opposed with the inner peripheral surface of pneumatic tire makes roller 10 be moved along the inner peripheral surface of tire in complete cycle, it is thus possible to
Accurate Determining inner thickness.
That is, if eddy current sensor 20 and the synchronous rotary of roller 10 in rotary moving, eddy current sensor 20 are surveyed with being used as
Determine the distance change of the steel cord of object, accurate measurement result can not be obtained, thus in the present embodiment, vortex flow sensing
Device 20 is independent relative to the rotation of roller 10, and as shown by arrows in Figure 3, eddy current sensor 20 is fixed to front end and pneumatic tire
Inner peripheral surface it is opposed.
In addition it is also possible to instead of configuring eddy current sensor 20 between a pair of discs shape rotating part 10, and with width
The middle body of the inside of one roller of degree forms the ditch towards roller surface depression with Rack, and configures vortex flow in the ditch
Sensor.Thereby, it is possible to over-current sensor and steel cord further to state be measured, it is thus possible to make measure
Precision improves.
Moreover, in the present embodiment, it is vortexed and as mistake using preventing from producing beyond the steel cord as measure object
It is preferably nonmetallic system as roller from the viewpoint of detection, specifically, preferably polyformaldehyde resin, polycarbonate resin
Any of system, polyvinyl resin.
In addition, in the present embodiment, as eddy current sensor 20, as long as can be based on before making inside because of metal approach
It is in magnetic field caused by the cell winding of end and different according to the distance untill metal in vortex flow caused by metal surface
And change to determine the distance untill metal, in general eddy current sensor can be used.
(b) protection band
It is built-in between above-mentioned a pair of discs shape rotating part 11 to be configured with the roller 10 of eddy current sensor 20, preferably protect
The protection band 12 of eddy current sensor 20 is wound in the peripheral part of a pair of discs shape rotating part 10.
Due to being wound with such protection band 12, so eddy current sensor 20 will not directly connect with the inner peripheral surface of tire
Touch, it is thus possible to prevent the damage of eddy current sensor 20.In addition, protection band 12 has flexibility, even if thus the table in tire
In the case that face has bumps, it can also deform with the male-female engagement, suppress floating for roller, in swimmingly carrying out
The measure of side thickness.
It is therefore preferable that protection band 12 has the characteristic that will not be impacted to the measure carried out by eddy current sensor, make
For the protection band having characteristics that, the guarantor that polyformaldehyde resin, polycarbonate resin, polyvinyl resin can be enumerated
Protecting band.
(c) rotary shaft
As described above, in the present embodiment, eddy current sensor 20 needs the rotation independence relative to roller 10, and is consolidated
The inner peripheral surface for being set to front end with tire is opposed.
Thus, for example it is preferred that the ball bearing of ceramics system etc. is configured between roller 10 and rotary shaft 13, to make supporting
The rotary shaft 13 of the roller not synchronous rotary of roller 10 with rotation.Moreover, eddy current sensor 20 is fastened by bolts etc. and to be fixed on this
Rotary shaft 13.Thus, eddy current sensor 20 is fixed in a manner of independent relative to the rotation of roller 10, thus in inner thickness
Measure in, can be fixed as making the front end of eddy current sensor 20 opposed with the inner peripheral surface of tire all the time, it is accurate to carry out
Inner thickness measure.
(d) sensor orientation adjustment mechanism
In the present embodiment, carry out inner side thickness by making inner peripheral surface of the roller 10 along tire in rotary moving throughout complete cycle
The measure of degree, but there is also be difficult to when causing and roller 10 is being placed in the inner peripheral surface of tire because of size of tire etc. by vortex flow
Sensor 20 is arranged as the situation vertical with the inner peripheral surface of tire.
It is therefore preferable that the inner thickness measure device involved by present embodiment is provided with sensor orientation adjustment machine
Structure, the sensor orientation adjustment mechanism are fixed on the rotary shaft 13 of roller 10, and the installation direction of eddy current sensor is adjusted into whirlpool
The front end of current sensor 20 is opposed with the inner peripheral surface of tire.
, as shown by arrows in Figure 3, being capable of suitably corresponding tire by sensor orientation adjustment mechanism as setting
The flexure plane of inner peripheral surface, make the front end of eddy current sensor 20 and the inner peripheral surface of tire vertically opposed, it is thus possible to carry out accurate
True inner thickness measure.
In addition, specific adjustment angle during the opposed direction in front end as adjustment eddy current sensor 20, to prevent
From the viewpoint of the broken string of the distribution 14 extended from eddy current sensor 20 to determination part 15, preferably roller 10 is placed in inflated wheel
The scope of 180 ° of the latter half of roller 10 in the state of the bottom surface of the inner peripheral surface of tire, even if being the adjustment of the scope, can also fill
Divide the flexure plane of the suitably inner peripheral surface of corresponding tire, so as to carry out accurate inner thickness measure.
As specific sensor orientation adjustment mechanism, such as following method can be enumerated, i.e.,：It is configured at by relaxation
The bolt 16 of eddy current sensor 20 is fixed in rotary shaft 13 and make eddy current sensor 20 rotate to desired angle it
Afterwards, fastening bolt 16 fixes eddy current sensor 20 again.
2. inner thickness assay method
Next, illustrate that the inner thickness of the inner thickness measure device progress using said structure determines based on Fig. 4
Method.
First, the bead seating produced after the fixture that can be rotated, is made into the periphery of the roller of present embodiment
Inner peripheral surface of the face along the tire placed.
Next, rotate tire.Thus, as shown in figure 4, inner peripheral surface rotation of the one side of roller 10 along tire T is while move
It is dynamic, be built in roller 10 eddy current sensor 20 can throughout tire T inner peripheral surface complete cycle to away from inner liner IL
Distance untill the casingply CP of side steel cord SC is measured.
Here, using Fig. 5 to Fig. 7 to for confirming having for the inner thickness assay method involved by above-mentioned present embodiment
The experiment of effect property illustrates.
In this experiment, device is determined using the inner thickness involved by above-mentioned present embodiment, made as shown in Figure 5
Be equipped with 5mm intervals on piano wire (a diameter of 0.7mm) film and moved in the direction of the arrow as metal wire 30, it is and right
The output of over-current sensor on the move is determined.In addition, in the apparatus for measuring thickness of inner side, the whirlpool of roller 10 is built in
Current sensor is pre-adjusted as downward, make it that front end is opposed with metal wire 30.
Measurement result is as shown in Figure 6.In addition, in figure 6, the longitudinal axis represents the output (V) of eddy current sensor, transverse axis represents
Elapsed time (ms) since inner thickness determines the movement of device.As can be seen from Figure 6, it is being built in the whirlpool electricity of the roller of rotation
Crest is able to confirm that when flow sensor is by metal wire 30, so as to be identified through using involved by present embodiment
Inner thickness measure device can realize the measure of inner thickness.
That is, the peak value (output of wave crest) that determines with relation be present from eddy current sensor to the distance of metal wire 30,
The distance from eddy current sensor to metal wire 30 can be thus obtained according to peak value.
Specifically, the distance of metal wire 30 and eddy current sensor is carried out various change, and determine each under
Peak value, distance of the metal wire 30 away from eddy current sensor and the relation of the peak value (V) as measured value are represented thus, it is possible to be made
Fig. 7 shown in chart.It can be seen from Fig. 7, peak value (V) and distance of the metal wire 30 away from eddy current sensor as measured value
(mm) substantially there is linear relation.According to the measurement result, can calculate eddy current sensor pitch metal lines 30 away from
From (mm) and peak value (V) relational expression.Then, the relational expression can be used, whirlpool electricity is scaled using as the peak value of measured value (V)
The distance (mm) of flow sensor pitch metal lines 30.In addition, in the figure 7, record metal wire 30 surface measured value (●) with
Measured value (zero) between metal wire 30.
In addition, in above-mentioned Fig. 7, linear relation is substantially presented with distance (mm) in peak value (V), but because of metal wire 30
(density), the species of metal wire 30 difference are spaced, can be had differences in the characteristic value obtained, thus is needed according to density, gold
The species for belonging to line 30 is obtained for being obtained according to peak value from eddy current sensor to the formula of the distance of metal wire 30.
For example, on peak value (V) and the relation of distance (mm), obtain Fig. 8 (density is 14 measure example) and Fig. 9 is (close
Spend the measure example for 32) shown in relation.In this case, be divided into it will be appreciated that for linear trend region (in fig. 8
For 3 regions), as the peak value (V) in regional and the relational expression of distance (mm), amendment type 1~3 is made.
3. the effect of present embodiment
As described above, in the present embodiment, operating personnel be not carry out pressing using hand and meanwhile be measured,
Check, but make inner peripheral surface of the roller along tire in rotary moving while being measured, checking, it is thus possible to entered with the short period
Row determines throughout the inner thickness of the complete cycle of the inner peripheral surface of tire, thus does not produce the loss of work.
And, using the teaching of the invention it is possible to provide it is a kind of to realize that the inner thickness of miniaturization determines by making eddy current sensor be built in roller
Device, thus in the absence of the worry that supporting member etc. contacts with tire inner peripheral surface.
In addition, in inner side thickness measurement, the roller that is built-in with eddy current sensor be only one just enough, thus with 2
Set the situation of sensor different between individual roller, cause the worry of measurement result generation deviation in the absence of floating for roller is produced.
In addition, in the above description, roller is one, but in the case where suppressing angle displacement etc., it can make as needed
With more than 2 rollers.In this case, between the rolls also without setting the space of sensor, thus it can care for and make roller each other
Close to configuration, the generation floated thus, it is possible to suppress roller.
Moreover, all steel cords of fiber of the casing ply (housing) of TB tires, thus can utilize overcurrent in application
Sensor measures inner thickness measure device and the inner thickness involved by the present embodiment of the distance untill steel cord
In the case of assay method, especially significant effect can be played.
More than, according to embodiment, the present invention is described, but the present invention is not limited to above-mentioned embodiment.
With the present invention in identical and impartial scope, various changes can be applied to above-mentioned embodiment.
Claims (13)
1. a kind of inner thickness determines device, its inner thickness to the pneumatic tire with steel cord is measured,
The inner thickness measure device is characterised by possessing：
Roller, it is used in rotary moving along the inner peripheral surface of the pneumatic tire；And
Eddy current sensor, it is built in the roller,
The eddy current sensor by relative to the roller it is in rotary moving it is independent in a manner of be fixed to front end towards fixation side
To,
When being measured to the inner thickness, so that the front end of the eddy current sensor and the inner circumferential of the pneumatic tire
The opposed state in face, move inner peripheral surface of the roller along the tire, described in being carried out using the eddy current sensor
The measure of inner thickness.
2. inner thickness according to claim 1 determines device, it is characterised in that
The inner thickness measure device possesses the rotary shaft for supporting the roller,
The eddy current sensor is installed on the rotary shaft of the roller, and the eddy current sensor is with relative to the rotation of the roller
Mobile independent mode is fixed.
3. inner thickness according to claim 2 determines device, it is characterised in that
The ball bearing of ceramics system is configured between the roller and the rotary shaft, the eddy current sensor is with relative to institute
The independent mode that rotates for stating roller is fixed.
4. device is determined according to inner thickness according to any one of claims 1 to 3, it is characterised in that
The roller is made up of a pair of discs shape rotating part, with relative to described discoid between the pair of discoid rotating part
The independent mode in rotary moving of rotating part and be fixed with the eddy current sensor.
5. inner thickness according to claim 4 determines device, it is characterised in that
The protection band protected to the eddy current sensor being configured between the pair of discoid rotating part is wound in
The peripheral part of the pair of discoid rotating part.
6. inner thickness according to claim 1 determines device, it is characterised in that
The central portion of the width of the inside of the roller is provided with the ditch of the outer surface depressions towards the roller,
The eddy current sensor is accommodated in the ditch, and is built in the roller.
7. device is determined according to inner thickness according to any one of claims 1 to 6, it is characterised in that
The roller is provided with sensor orientation adjustment mechanism, the sensor orientation adjustment mechanism is to the eddy current sensor
Installation direction is adjusted and fixes the eddy current sensor.
8. inner thickness according to claim 7 determines device, it is characterised in that
The sensor orientation adjustment mechanism adjusts the vortex flow sensing in the range of 180 ° of the latter half of the roller
The installation direction of device and the fixed eddy current sensor.
9. device is determined according to inner thickness according to any one of claims 1 to 8, it is characterised in that
The roller is nonmetallic system.
10. inner thickness according to claim 9 determines device, it is characterised in that
The roller is any one in polyformaldehyde resin, polycarbonate resin, polyvinyl resin system.
11. device is determined according to inner thickness according to any one of claims 1 to 10, it is characterised in that
The roller is more than 2.
12. the inner thickness measure device according to any one of claim 1~11, it is characterised in that
The pneumatic tire is TB tires.
13. a kind of inner thickness assay method, the inner thickness measure device pair any one of usage right requirement 1 to 12
The inner thickness of pneumatic tire is measured,
The inner thickness assay method is characterised by,
So that the state that the front end of the eddy current sensor is opposed with the inner peripheral surface of the pneumatic tire, makes the roller edge
The inner peripheral surface movement of the tire, the measure of the inner thickness is thus carried out using the eddy current sensor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016141509A JP6739750B2 (en) | 2016-07-19 | 2016-07-19 | Inner gauge measuring device and measuring method |
| JP2016-141509 | 2016-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107631685A true CN107631685A (en) | 2018-01-26 |
Family
ID=61020531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710451363.0A Pending CN107631685A (en) | 2016-07-19 | 2017-06-15 | Inner thickness determines device and assay method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6739750B2 (en) |
| CN (1) | CN107631685A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7226075B2 (en) * | 2019-05-10 | 2023-02-21 | 住友ゴム工業株式会社 | tire thickness measuring device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02208505A (en) * | 1989-02-09 | 1990-08-20 | Bridgestone Corp | Measuring apparatus for base tire for retread |
| JPH08304009A (en) * | 1995-05-10 | 1996-11-22 | Sumitomo Rubber Ind Ltd | Apparatus and method for measurement of tire-surface rubber thickness |
| JP2004198365A (en) * | 2002-12-20 | 2004-07-15 | Yokohama Rubber Co Ltd:The | Thickness measuring apparatus for nonconductive material |
| CN102778203A (en) * | 2012-07-06 | 2012-11-14 | 天津大学 | Online measuring device and measuring and controlling method for tread thickness of tire tread winding |
| JP2012245540A (en) * | 2011-05-27 | 2012-12-13 | Toyota Boshoku Corp | Punching method and punching device |
| CN104011501A (en) * | 2011-12-15 | 2014-08-27 | 株式会社普利司通 | Tread Thickness Measuring Method |
| CN105431706A (en) * | 2013-07-26 | 2016-03-23 | 米其林集团总公司 | System for measuring the thickness of a liner layer of a tyre |
| CN205163108U (en) * | 2015-11-04 | 2016-04-20 | 李娟� | B ultrasonic sensor lag |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05180606A (en) * | 1992-01-07 | 1993-07-23 | Nkk Corp | Detecting apparatus of position of end of coil of metallic thin plate |
-
2016
- 2016-07-19 JP JP2016141509A patent/JP6739750B2/en active Active
-
2017
- 2017-06-15 CN CN201710451363.0A patent/CN107631685A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02208505A (en) * | 1989-02-09 | 1990-08-20 | Bridgestone Corp | Measuring apparatus for base tire for retread |
| JPH08304009A (en) * | 1995-05-10 | 1996-11-22 | Sumitomo Rubber Ind Ltd | Apparatus and method for measurement of tire-surface rubber thickness |
| JP2004198365A (en) * | 2002-12-20 | 2004-07-15 | Yokohama Rubber Co Ltd:The | Thickness measuring apparatus for nonconductive material |
| JP2012245540A (en) * | 2011-05-27 | 2012-12-13 | Toyota Boshoku Corp | Punching method and punching device |
| CN104011501A (en) * | 2011-12-15 | 2014-08-27 | 株式会社普利司通 | Tread Thickness Measuring Method |
| CN102778203A (en) * | 2012-07-06 | 2012-11-14 | 天津大学 | Online measuring device and measuring and controlling method for tread thickness of tire tread winding |
| CN105431706A (en) * | 2013-07-26 | 2016-03-23 | 米其林集团总公司 | System for measuring the thickness of a liner layer of a tyre |
| CN205163108U (en) * | 2015-11-04 | 2016-04-20 | 李娟� | B ultrasonic sensor lag |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6739750B2 (en) | 2020-08-12 |
| JP2018013356A (en) | 2018-01-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104132820B (en) | Tire testing machine | |
| JP5405477B2 (en) | How to determine vehicle tire pressure and profile depth | |
| EP2275777B1 (en) | Device and method for measuring object to be measured having hollow circular cylindrical shape | |
| JP2010032248A (en) | Master tire and inspection method of tire uniformity tester using master tire | |
| CN107687984A (en) | Hob abrasion test experiments platform and supporting measurement evaluation method | |
| WO2007099646A1 (en) | Circular shape measurement method, cylindrical shape measurement method, and cylindrical shape measurement apparatus | |
| JPH02296127A (en) | Method for inspecting defect of pneumatic tire | |
| US4934184A (en) | Method of detecting defects in pneumatic tire in non-destructive manner | |
| JP2008096451A (en) | Improvement in tire uniformity test | |
| JP2002086586A (en) | Method for measuring old rubber gauge of buff tire and method for buffing | |
| KR100679557B1 (en) | Apparatus and method for measuring peripheral surface of mould for forming tire mould | |
| CN107631685A (en) | Inner thickness determines device and assay method | |
| US20080148805A1 (en) | Sensor calibration device and method for a tire | |
| JP3682027B2 (en) | Motor core inner diameter measuring apparatus and method | |
| CN105737723A (en) | Rotary kiln tyre support roller axis misalignment measurement method | |
| US20230152078A1 (en) | Method for the detection of cable spacing in green tire | |
| CN102714133A (en) | Method and device for determining a deformation of a disk-shaped workpiece, particularly a mold wafer | |
| JP4142677B2 (en) | Tire outer diameter abnormality detection method and outer diameter abnormality detection device | |
| JPH08122050A (en) | Contour shape-measuring method and tool for measurement | |
| JP2020134178A (en) | Sector mold inspection device | |
| CN108061503A (en) | A kind of method that conical part outer diameter is detected on JD25-C horizontal metroscopes | |
| CN202757606U (en) | Rotary platform device | |
| CN207395700U (en) | A kind of inner diameter measuring device | |
| JP2005501245A (en) | Machine and method for inspecting tires | |
| CN215178648U (en) | Tire mold circumferential information detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180126 |