CN205718857U - The wall thickness measuring device of circular shell - Google Patents
The wall thickness measuring device of circular shell Download PDFInfo
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- CN205718857U CN205718857U CN201620347558.1U CN201620347558U CN205718857U CN 205718857 U CN205718857 U CN 205718857U CN 201620347558 U CN201620347558 U CN 201620347558U CN 205718857 U CN205718857 U CN 205718857U
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Abstract
The utility model provides the wall thickness measuring device of a kind of circular shell, including pedestal；The turntable for carrying tested housing being positioned on pedestal, this turntable is configured to rotate around its axis；The column being positioned on pedestal, this column is provided in one first installation site and is pivotally connected to pedestal；Angle-adjusting mechanism, is arranged for the angle relative to pedestal for the adjusting post, and one end of this angle-adjusting mechanism is connected on column, and the other end is connected to pedestal in one second installation site；Being additionally provided with the first measurement arm that can move along column longitudinally and the second measurement arm on column, the first measurement arm is isometric with the second measurement arm and arranges two range finder modules, employing indirect method of measurement wall-thickness measurement.Wall thickness measuring device of the present utility model can make the wall thickness detection automation of circular shell, has higher accuracy of measurement and measurement efficiency, and can effectively reduce measurement blind area.
Description
Technical field
The utility model relates to technical field of measuring equipment, is cylindrical or conical shell in particular to a kind of profile
The wall thickness measuring device of body.
Background technology
Manufacturing field at space flight, machinery etc., the processing and manufacturing of circular shell is relatively broad, relates to casting, panel beating and finishing
The technological processes such as work.For making housing have stronger rigidity, lighter weight and good machinability, need to measure housing
Wall thickness value, is controlled in certain margin of tolerance.
At present, operating personnel mainly use sonigauge point-to-point measurement housing wall thickness value.During measurement, need
Continuous dipping couplant, measures inefficiency, and different personnel's measurement result differs greatly；Simultaneously because manual measurement is counted
Relatively limited, it is difficult to cover all surfaces of housing, easily there is check frequency.
Utility model content
For sonigauge measurement housing wall thickness value inefficiency, the problem that there is check frequency in prior art,
The utility model is directed to a kind of wall thickness measuring device, uses non-contact scanning method to realize that the automation of housing wall thickness is quick
Measurement.
Above-mentioned purpose of the present utility model is realized by the technical characteristic of independent claims, and dependent claims is to select else
Or favourable mode develops the technical characteristic of independent claims.
For reaching above-mentioned purpose, the utility model proposes the wall thickness measuring device of a kind of circular shell, comprising:
Pedestal；
The turntable for carrying tested housing being positioned on pedestal, this turntable is configured to revolve around its axis
Turn；
The column being positioned on pedestal, this column is provided in one first installation site and is pivotally connected to described base
Seat；
Angle-adjusting mechanism, is arranged for the angle relative to pedestal for the adjusting post, one end of this angle-adjusting mechanism
Being connected on described column, the other end is connected to described pedestal in one second installation site；
Wherein, described column is additionally provided with and can measure along the first measurement arm and second that column longitudinally moves
Arm, the first measurement arm is isometric with the second measurement arm, and measures arm first and close on one end of pedestal and arrange the first range finder module,
The one end closing on pedestal at the second measurement arm arranges the second range finder module.
In further embodiment, described angle-adjusting mechanism includes being hinged to the first screw rod of column, is hinged to pedestal
The second screw rod, be sleeved on the first screw rod, the swivel nut on the second screw rod and operation handle, this operation handle is configured to for behaviour
The motion of work driving the first screw rod and/or the second screw rod is to adjust the angle of inclination of column.
In further embodiment, described angle-adjusting mechanism includes being hinged to the first connecting rod of column, is hinged to pedestal
Second connecting rod, drive the motor of first connecting rod and/or first connecting rod and for controlling the control switch that motor runs, described
The operational control that motor is configured to suspension control switch drives first connecting rod and/or first connecting rod to move to adjust the inclination of column
Angle.
In further embodiment, described turntable includes disc-shaped body and radially arranges in disc-shaped body
Multiple bracing frames, the outer end of support frame as described above extends beyond the neighboring of disc-shaped body.
From above technical scheme, compared with prior art, housing wall thickness measuring device of the present utility model, based on survey
Away from sensor such as laser ranging module, ultrasound measurement module, use servo control technique, use noncontact scanning method to realize shell
The high accuracy measuring quickly and automatically of body wall thickness value.Inside and outside housing, two sensors being installed in housing normal direction are same
When measure self distance to surface of shell, be the wall thickness value of housing at this point with the difference of two sensors distance；Also can divide
Linear motion on housing generatrix direction for the other control realization distance measuring sensor and housing along the gyration of own central axis,
Realize the automatic measurement to housing wall thickness value and thoroughly evaluating.
As long as it should be appreciated that aforementioned concepts and all of the extra design describing in greater detail below combine at this
The design of sample can be viewed as a part for the utility model theme of the disclosure in the case of not conflicting.In addition, wanted
The all combinations seeking the theme of protection are considered as a part for the utility model theme of the disclosure.
The foregoing and other side of the utility model teaching can be more fully appreciated with in conjunction with accompanying drawing from the following description
Face, embodiment and feature.The feature of other additional aspect such as illustrative embodiments of the present utility model and/or beneficial effect
To be obvious in the following description, or the practice by the detailed description of the invention instructed according to the utility model will be learnt.
Brief description
Accompanying drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group of each illustrating in each figure
One-tenth part can be indicated by the same numeral.For clarity, in each figure, not each part is all labeled.
Now, by by example the embodiment that of the present utility model various aspects are described in reference to the drawings, wherein:
Fig. 1 is the circular shell wall thickness measuring principle schematic according to some embodiment of the utility model.
Fig. 2 is the schematic diagram of the circular shell wall thickness measuring device according to some embodiment of the utility model.
Fig. 3 is the structural representation of the angle-adjusting mechanism according to some embodiment of the utility model.
Fig. 4 is the structural representation of the turntable according to some embodiment of the utility model.
When Fig. 5 is the circular shell wall thickness measuring device measurement cylindrical housings according to some embodiment of the utility model
Schematic diagram.
When Fig. 6 is the circular shell wall thickness measuring device measurement conical shell according to some embodiment of the utility model
Schematic diagram.
Detailed description of the invention
In order to know more about technology contents of the present utility model, especially exemplified by specific embodiment and coordinate institute's accompanying drawings to be described as follows.
It is described with reference to each side of the present utility model in the disclosure, the enforcement illustrating shown in the drawings of many
Example.Embodiment of the disclosure and must not be intended to include all aspects of the present utility model.It should be appreciated that multiple structures presented hereinbefore
Think and embodiment, and describe in more detail below those design and embodiment can in many ways in any one
Implement, this is because design disclosed in the utility model and embodiment are not limited to any embodiment.In addition, this practicality
Novel some aspects disclosed can be used alone, or otherwise any appropriately combined next with disclosed in the utility model
Use.
In conjunction with shown in Fig. 1, according to embodiment of the present utility model, the wall thickness of a kind of circular shell using the indirect method of measurement
Measurement apparatus, uses two sensor such as laser ranging modules, ultrasound measurement modules to measure sensor self to circle simultaneously
The distance of the surfaces externally and internally of housing, and calculate housing wall thickness value based on following formula (1).
In Fig. 1, label A is first sensor, and label B is second sensor, and label C is tested circular shell.
H=l-l1-l2 (1)
In formula, h-housing wall thickness value；
Distance between l-two sensors；
l1、l2-two sensors are to the distance of housing surfaces externally and internally.
It when using laser ranging module as sensor, based on laser triangulation range measurement principle, is non-contact measurement,
Certainty of measurement can reach micron order, easily realizes automatic fast precise measurement.
In aforementioned formula, distance l between two sensors can determine by way of prior demarcation, it is believed that is one
Individual known amount, therefore we only need to record the distance of two sensors and housing surfaces externally and internally when measurement.
In conjunction with the example of the measurement apparatus of Fig. 2, Fig. 3 and Fig. 4, wall thickness measuring device has a pedestal the 1st, turntable the 2nd, column
3rd, angle-adjusting mechanism 4.
Turntable 2 is positioned on pedestal, is used for carrying tested housing 100, and this turntable 2 is configured to revolve around its axis
Turn.
Column 3 is arranged on pedestal, and the first installation site 1-1 that this column 3 is provided on pedestal is rotationally
It is connected to described pedestal 1.
Angle-adjusting mechanism 4, is arranged for the angle relative to pedestal 1 for the adjusting post 3, this angle-adjusting mechanism 3
One end is connected on described column 3, and the other end is connected to described pedestal 1 in the second installation site 1-2 of pedestal.
Can survey along the first measurement arm 6 and second that column longitudinally moves as in figure 2 it is shown, be additionally provided with on column 3
Amount arm 8, the first measurement arm 6 is isometric with the second measurement arm 8, and measures arm 6 first and close on one end of pedestal 1 and arrange first
Range finder module 7, the one end closing on pedestal 1 at the second measurement arm 8 arranges the second range finder module 9.
In conjunction with Fig. 5, Fig. 6, by the first range finder module 7 and the second range finder module 9 record each to tested housing away from
From, utilize aforementioned formula (1) i.e. can get tested housing wall thickness.
In certain embodiments, the first range finder module the 7th, the second range finder module 9 all uses laser ranging module, supersonic sounding
One in module.For convenience of description, will illustrate with laser ranging module in the following embodiment of the disclosure.
So, in conjunction with shown in Fig. 1, Fig. 2, based on the circular shell wall thickness measuring mode of aforementioned measuring appliance, it is substantially logical
Cross following process to realize the measurement of wall thickness: after tested housing is placed on a spinstand, can be according to the class of tested housing
Type control angle-adjusting mechanism adjusts the angle of column opposite base；Then, the described first measurement arm and the second measurement arm are made
In one extend into the inside of tested housing, another one is positioned at the relative position in the outside of tested housing；Control described rotation again
Turntable rotates, and described first range finder module and the second range finder module measure its distance arriving tested surface of shell respectively, and will survey
Amount data are transmitted to a processing terminal；Processing terminal is surveyed based on distance and first of the first range finder module and the second range finder module
Range data away from module and the second range finder module transmission carries out doing difference process, obtains the wall thickness of a cross section of tested housing.
In conjunction with Fig. 2, column 3 is provided with the upright guide rail 3-1 along longitudinally, the first measurement arm 6 and the second measurement
Arm 8 can move along this upright guide rail 3-1 at vertical direction, so drives the first range finder module 7 and the second range finder module 9 vertically
Direction is moved, and will be described in further derail in content below, vertical by the first range finder module 7 and the second range finder module 9
The movement in direction, in the range of being on the one hand easy to before measuring tested housing 100 be moved to measurement, on the other hand can be when measurement
Carry out continuous print measurement, it is thus achieved that the thickness data of the varying cross-section of housing.
Utilize the data of range finder module on the second measurement arm to calculate the circularities in each cross section of housing, the evaluation of circularity
Method of minimun zone, minimum two-multiply law, minimum circumscribed circle method and Maximum Inscribed Circle Method four kinds can be used, specifically can use existing
Existing calculation process in technology is had to realize.
In conjunction with shown in Fig. 2, in order to reduce the whole systematic error measuring process, simultaneously facilitate Synchronization Control, the first measurement
It is connected fixing between arm 6 with the second measurement arm 6 by beam, so that the two common beam, and can be by a set of servomotor control
System keeps the motion of synchronization.
In conjunction with shown in Fig. 2, Fig. 5, column 3 is set to hinge 10 and is connected on described pedestal 1, and this hinge is positioned at institute
State the first installation site 1-1.So, column 3 is when adjusting its angle of inclination via angle-adjusting mechanism 4, for example, pass through angle
Stretching of guiding mechanism 4 entire length, can adjust the angle relative to pedestal 1 for the column 3 neatly.
In conjunction with shown in Fig. 6, for the thickness measure of conical shell, the angle of column 3 needs to be adjusted, and passes through angle
Guiding mechanism 4 makes can start parallel with the generatrix direction of tested housing of column 3 measure.
In conjunction with Fig. 2, in the example depicted in fig. 3, angle-adjusting mechanism 4 include being hinged to column 3 the first screw rod 4-1,
The the second screw rod 4-2 being hinged to pedestal 1, the swivel nut 4-3 being sleeved on the first screw rod 4-1 and the second screw rod 4-2 and manipulator
Handle 4-4, this operation handle 4-4 are configured to for user operation to drive the motion of the first screw rod 4-1 and/or the second screw rod 4-2
To adjust the angle of inclination of column 3.For example, operating personnel/user passes through rotating operation handle 4-4, makes two screw rods (4-1,4-
2) precession simultaneously or back-out swivel nut 4-3, it is achieved stretching of angle-adjusting mechanism 4 entire length, and then realize column 3 angle of inclination
Adjustment.
In further embodiments, angle-adjusting mechanism 4 can also realize column 3 jiaos by motor-driven mode
The adjustment of degree.In some instances, angle-adjusting mechanism 4 includes being hinged to the first connecting rod of column, is hinged to the second of pedestal
The motor of connecting rod, driving first connecting rod and/or first connecting rod and the control running for controlling motor switch, and this motor is set
The operational control being set to suspension control switch drives first connecting rod and/or first connecting rod to move to adjust the angle of inclination of column.
In the example of fig. 4, turntable 2 includes disc-shaped body 2-1 and radially arranges in disc-shaped body 2-1
The outer end of multiple bracing frame 2-2, support frame as described above 2-2 extends beyond the neighboring of disc-shaped body 2-1.So, by rotation
The bracing frame stretching out body installed on turntable, to adapt to the wall thickness detection of the tested housing of different size size.
In further embodiments, turntable 2 can also can be installed the bracing frame 2-2 of different size, to adapt to difference
The housing of diameter dimension.
In conjunction with Fig. 2, it is preferable that be additionally provided with horizontal guide rail 1-3 on pedestal 1, described turntable 2 is configured to can be at this water
Move horizontally along pedestal longitudinally in level gauge.
In conjunction with shown in Fig. 2, Fig. 5, Fig. 6, in preferred example, column 3 and pedestal 1 have been respectively mounted horizontal guide rail and
Upright guide rail, column 3 is connected together through the hinges with both pedestals 1.Angle-adjusting mechanism 4 is by hinge and column and pedestal
Connecting, the angle of inclination to realize column adjusts.
Horizontal guide rail 1-3, upright guide rail 3-1 and turntable 2 all use servomotor to automatically control, and can design certainly
Dynamic control and circuit press key control both of which.In certain embodiments, can also be calculated by the kinematic parameter of servomotor
Obtain the real time position of horizontal guide rail, upright guide rail and turntable.
In further embodiments, the movement position of horizontal guide rail, upright guide rail and turntable, can also be by installing additional
The mode of ball bar ruler or angular encoder carries out the acquisition of positional information.
As shown in Figure 5, Figure 6, the description in conjunction with measurement apparatus disclosed in foregoing teachings, is carrying out cylindrical housings, circular cone
During the wall thickness measuring of shape housing, by the first measurement arm 6 with second measure arm 8 move to highest point (will two sensors upwards
Move and allow that tested housing 100 is lifted into turntable 2 to get out of the way mobile space), turntable 2 moves to outermost along horizontal guide rail
End, after being lifted into tested housing on turntable, in the range of moving rotary platform makes housing be in the measurement of two sensors；If
It is the measurement of cylindrical housings, the first measurement arm 6 and the second measurement arm 8 are moved down and make two sensors extend into inside and outside housing
Surface, can directly start measurement；If the measurement of conical shell, then inclining by angle-adjusting mechanism 4 adjusting post 3
Rake angle, makes can start parallel with the generatrix direction of tested housing of column 3 measure.
When measuring, the vertical direction that can control the first measurement arm 6 and the second measurement arm 8 along column 3 moves
Make two range finder modules be moved down into another cross section, utilize aforementioned manner to obtain the wall of another cross section of tested housing
Thick.
Aforementioned measurement process can be move to tested housing upper end with the first range finder module and the second range finder module after open
Begin to measure for the first time, set up the cylindrical coordinate with tested housing upper surface as initial point.So, to obtain whole tested housing not
With whole wall thickness data of cross section, beneficially follow-up analysis and process.Following form is the data signal of cylindrical coordinate, Th value
Represent wall thickness value.
| 0° | 1° | 2° | 3° | 4° | 5° | 6° | ～～ | |
| 0 | Th value | Th value | Th value | Th value | Th value | Th value | Th value | Th value |
| 10 | Th value | Th value | Th value | Th value | Th value | Th value | Th value | Th value |
| 20 | Th value | Th value | Th value | Th value | Th value | Th value | Th value | Th value |
| ～～ | Th value | Th value | Th value | Th value | Th value | Th value | Th value | Th value |
In certain embodiments, for example, with the upper surface of tested housing as initial point, all to be measured section of tested housing is set
After the height value in face and the measurement in each cross section are counted, wall thickness measuring device beneficially of the present utility model can be automatically performed this quilt
Survey the wall thickness value measurement in all cross sections of housing.First measurement arm 6 and the second measurement arm 8 stop after moving to height cross section to be measured,
Turntable rotation is turned around, and this section gauge completes；First measurement arm 6 and the second measurement arm 8 continue to move to next cross section and survey
Amount, until measurement finishes.
In sum, the wall thickness measuring device in conjunction with disclosure above, for existing calibrator, this practicality
Novel designed wall thickness measuring device, can make the wall thickness detection of circular shell realize mechanical automation, have higher survey
The amount degree of accuracy and the measurement efficiency of superelevation, and can effectively reduce measurement blind area.
Although the utility model is disclosed above with preferred embodiment, so it is not limited to the utility model.This reality
With tool usually intellectual in novel art, without departing from spirit and scope of the present utility model, each when making
The change planted and retouching.Therefore, protection domain of the present utility model ought be as the criterion depending on those as defined in claim.
Claims (9)
1. the wall thickness measuring device of a circular shell, it is characterised in that this wall thickness measuring device includes:
Pedestal；
The turntable for carrying tested housing being positioned on pedestal, this turntable is configured to rotate around its axis；
The column being positioned on pedestal, this column is provided in one first installation site and is pivotally connected to described pedestal；
Angle-adjusting mechanism, is arranged for the angle relative to pedestal for the adjusting post, and one end of this angle-adjusting mechanism connects
On described column, the other end is connected to described pedestal in one second installation site；
Wherein, described column is additionally provided with can along column longitudinally move first measurement arm and second measurement arm, first
Measurement arm is isometric with the second measurement arm, and measures arm first and close on one end of pedestal and arrange the first range finder module, second
One end that measurement arm closes on pedestal arranges the second range finder module.
2. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that be provided with edge on described column
The upright guide rail of longitudinally, the first measurement arm and the second measurement arm can move along this upright guide rail at vertical direction.
3. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that described first measurement arm and the
Connected fixing between two measurement arms by beam.
4. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that described first range finder module,
Second range finder module all uses the one in laser ranging module, ultrasound measurement module.
5. the wall thickness measuring device of the circular shell according to any one in claim 1-4, it is characterised in that described vertical
Post is set to be hingedly connected on described pedestal, and this hinge is positioned at described first installation site.
6. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that described angle-adjusting mechanism bag
Include the first screw rod being hinged to column, the second screw rod being hinged to pedestal, be sleeved on the first screw rod, the swivel nut on the second screw rod with
And operation handle, this operation handle is configured to for operating the motion driving the first screw rod and/or the second screw rod to adjust column
Angle of inclination.
7. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that described angle-adjusting mechanism bag
Include the first connecting rod being hinged to column, the second connecting rod being hinged to pedestal, drive the motor of first connecting rod and/or first connecting rod with
And for controlling the control switch that motor runs, the operational control that described motor is configured to suspension control switch drives first connecting rod
And/or first connecting rod moves to adjust the angle of inclination of column.
8. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that described turntable includes disk
Shape body and the multiple bracing frames radially arranging in disc-shaped body, the outer end of support frame as described above extends beyond disc originally
The neighboring of body.
9. the wall thickness measuring device of circular shell according to claim 1, it is characterised in that be additionally provided with on described pedestal
Horizontal guide rail, described turntable is configured to move horizontally along pedestal longitudinally in this horizontal guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620347558.1U CN205718857U (en) | 2016-04-22 | 2016-04-22 | The wall thickness measuring device of circular shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620347558.1U CN205718857U (en) | 2016-04-22 | 2016-04-22 | The wall thickness measuring device of circular shell |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737746A (en) * | 2016-04-22 | 2016-07-06 | 南京晨光集团有限责任公司 | Apparatus and method for measuring wall thickness of circular housing |
| CN109813241A (en) * | 2019-03-21 | 2019-05-28 | 马鞍山恒瑞测量设备有限公司 | A kind of dedicated calibrator of hot-strip |
| CN111288948A (en) * | 2020-03-19 | 2020-06-16 | 绍兴市江览机械科技有限公司 | High-precision detection equipment and detection method for aluminum shell wall thickness of aluminum electrolytic capacitor |
| CN113375624A (en) * | 2021-07-07 | 2021-09-10 | 中国汽车工程研究院股份有限公司 | Measurement and data processing method for brake disc DTV of commercial vehicle |
-
2016
- 2016-04-22 CN CN201620347558.1U patent/CN205718857U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105737746A (en) * | 2016-04-22 | 2016-07-06 | 南京晨光集团有限责任公司 | Apparatus and method for measuring wall thickness of circular housing |
| CN109813241A (en) * | 2019-03-21 | 2019-05-28 | 马鞍山恒瑞测量设备有限公司 | A kind of dedicated calibrator of hot-strip |
| CN109813241B (en) * | 2019-03-21 | 2024-03-19 | 马鞍山恒瑞测量设备有限公司 | Thickness gauge special for hot rolled strip steel |
| CN111288948A (en) * | 2020-03-19 | 2020-06-16 | 绍兴市江览机械科技有限公司 | High-precision detection equipment and detection method for aluminum shell wall thickness of aluminum electrolytic capacitor |
| CN113375624A (en) * | 2021-07-07 | 2021-09-10 | 中国汽车工程研究院股份有限公司 | Measurement and data processing method for brake disc DTV of commercial vehicle |
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