CN205941459U - Experimental device for faying face contact State ultrasonic testing - Google Patents
Experimental device for faying face contact State ultrasonic testing Download PDFInfo
- Publication number
- CN205941459U CN205941459U CN201620774566.4U CN201620774566U CN205941459U CN 205941459 U CN205941459 U CN 205941459U CN 201620774566 U CN201620774566 U CN 201620774566U CN 205941459 U CN205941459 U CN 205941459U
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- sonac
- connecting rod
- contact state
- vertical
- faying face
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses an experimental device for faying face contact State ultrasonic testing, including an ultrasonic sensor and the 2nd ultrasonic sensor who aligns and set up from top to bottom, place the test piece that awaits measuring between an ultrasonic sensor and the 2nd ultrasonic sensor, an ultrasonic sensor and the 2nd ultrasonic sensor respectively through connect be fixed in vertical connecting rod behind the horizontal connecting rod of first horizontal connecting rod and second on, vertical connecting rod is fixed in in the backup pad through magnetic meter seat, the 2nd ultrasonic sensor bottom is provided with the support base, be provided with 3 stands on the support base, it is in the same place with 3 stand assemblies to support the base, be located the test piece below of awaiting measuring, it is fixed with three -dimensional moving platform to support the base bottom, three -dimensional moving platform does the removal of two -dimentional grid in the experimentation, the utility model provides an ultrasonic wave that exists among the prior art be used for the faying face to visit time measuring being difficult to obtain simultaneously reflection and transmission supersound signal, realizing scanning the problem of measuring to the faying face contact State who has how much appearances.
Description
Technical field
The utility model belongs to field of measuring technique and in particular to a kind of experiment of combination surface contact state ultrasound detection fills
Put.
Background technology
In the mechanical systems such as lathe, the parameter such as the real contact area of faying face, pressure distribution affects the whole of system
Body performance.Therefore, in precision and ultraprecise mechanical system design, to the research with reference to surface contact state for raising system
Performance has great importance.
In conjunction with surface contact state as the key character of faying face, faying face is directly influenced to its accurate detection and description
The foundation of system performance model and the research of frictional behavior.When ultrasonic wave is used for faying face detection, due to the geometric form of faying face
The parameters such as looks, roughness, material have modulating action to reflectance ultrasound and transmission ultrasonic, therefore, by contacting pressure to faying face
The Scanning Detction of power distribution, obtains reflectance ultrasound and the transmission ultrasonic signal of the modulation of combined face simultaneously, determines knot for accurate
The changes in contact rule in conjunction face plays an important role.
Utility model content
The purpose of this utility model is to provide a kind of experimental provision of combination surface contact state ultrasound detection, solves existing
Ultrasonic wave present in technology is used for being difficult to obtain reflection and transmission ultrasonic signal when faying face detects simultaneously, realizes several to having
The problem that the combination surface contact state of what pattern is scanned detecting.
The utility model be employed technical scheme comprise that, a kind of experimental provision of combination surface contact state ultrasound detection, bag
Include the first sonac and the second sonac, the first sonac and second sonac of consistency from top to bottom setting
Between place test specimen to be measured, the first sonac and the second sonac pass through to connect first level connecting rod and second respectively
It is fixed in after waling stripe on vertical connecting rod, vertical connecting rod is fixed in gripper shoe by magnetic stand, the second ultrasonic biography
Sensor bottom is provided with support base, and support base is provided with 3 root posts, and support base and 3 root posts are assembled together, position
Below test specimen to be measured, support base bottom is fixed with three-dimensional mobile platform, and in experimentation, three-dimensional mobile platform does two-dimensional grid
Lattice move.
Feature of the present utility model also resides in,
Fixed by the first sonac chuck sleeve between first sonac and first level connecting rod, the second surpass
Fixed by the second sonac chuck sleeve between sonic transducer and the second waling stripe.
First sonac chuck sleeve concrete structure is：Including horizontal case and vertical pipes, horizontal case and hanging down
Connected by connecting portion between straight connector, the casing wall of vertical pipes uniformly has 3 screws, first level connecting rod passes through to insert
Enter horizontal case to connect, pass through between the first sonac and vertical pipes the first adjusting screw A, the second adjusting screw B, the
3 screws that three adjusting screws C are screwed in vertical pipes are fixed.
Second sonac chuck sleeve concrete structure is：Including horizontal case and vertical pipes, horizontal case and hanging down
Connected by connecting portion between straight connector, the second waling stripe passes through to insert horizontal case connection, and the second sonac passes through
Insertion vertical pipes connect.
Second sonac is additionally provided with holddown spring positioned at horizontal case part above, and holddown spring is used for compressing
Second sonac, guarantees that in detection process the second sonac is adjacent to all the time in test specimen lower surface to be measured.
Pass through first connecting rod between first level connecting rod and vertical connecting rod clamping fixed, the second waling stripe and vertical connecting rod it
Between by second connecting rod clamping fixed.
Gripper shoe bottom is provided with 3 base angle screws, and gripper shoe is integrated with the assembling of base angle screw, and base angle screw is used for micro-
Adjust the dimensional orientation of gripper shoe, remain in detection process and maintain static.
The beneficial effects of the utility model are that a kind of experimental provision of combination surface contact state ultrasound detection, by first
Sonac and the second sonac are reflected to the faying face of coupling pressure and transmission ultrasonic detection simultaneously, and scanning is simultaneously
Obtain the reflectivity on faying face and transmission rate matrix, reflectivity, transmissivity integration on statistics faying face, according to reflectivity, thoroughly
Penetrate the corresponding relation between total load on rate integration and faying face, obtain the pressure distribution on faying face region and estimate to combine
The relative contact tightness degree in face.
Brief description
Fig. 1 is a kind of structural representation of the experimental provision of the utility model combination surface contact state ultrasound detection；
Fig. 2 is that a kind of experimental provision of the utility model combination surface contact state ultrasound detection is loaded into assembling after test specimen to be measured
Figure；
Fig. 3 be a kind of the utility model combination surface contact state ultrasound detection experimental provision be loaded into test specimen to be measured after to be measured
Test specimen carries out the structural representation of section；
Fig. 4 be a kind of the utility model combination surface contact state ultrasound detection experimental provision in first sonac folder
Headgear barrel structure schematic diagram；
Fig. 5 be a kind of the utility model combination surface contact state ultrasound detection experimental provision in the second sonac with
Annexation schematic diagram between holddown spring.
In figure, 1. three-dimensional mobile platform, 2. support base, 3. column, 4-1. first sonac, 4-2. second is ultrasonic
Sensor, the upper test specimen of 5-1., test specimen under 5-2., 6-1. the first sonac chuck sleeve, 6-2. second sonac presss from both sides
Headgear cylinder, 7. retainer ring, 8. loading bolt, 9. holddown spring, 10-1. first connecting rod presss from both sides, and 10-2. second connecting rod presss from both sides, 11-1. the
One waling stripe, 11-2. second waling stripe, 12. vertical connecting rods, 13. magnetic stands, 14. gripper shoes, 15. base angle screws,
16. horizontal cases, 17. vertical pipes, 18. connecting portions, 19. first adjusting screws A, 20. second adjusting screws B, 21. the 3rd tune
Section screw C.
Specific embodiment
With reference to the accompanying drawings and detailed description the utility model is described in detail.
A kind of experimental provision of the utility model combination surface contact state ultrasound detection, structure is as shown in figure 1, include up and down
First sonac 4-1 of alignment setting and the second sonac 4-2, the first sonac 4-1 and the second ultrasonic biography
Test specimen to be measured is placed, the first sonac 4-1 and the second sonac 4-2 passes through connection first respectively between sensor 4-2
It is fixed in after waling stripe 11-1 and the second waling stripe 11-2 on vertical connecting rod 12, vertical connecting rod 12 passes through magnetic stand 13
It is fixed in gripper shoe 14, described second sonac 4-2 bottom is provided with support base 2, and support base 2 is provided with
3 root posts 3, support base 2 and 3 root posts 3 are assembled together, and below test specimen to be measured, support base 2 bottom is fixed with three
Dimension mobile platform 1, in experimentation, three-dimensional mobile platform 1 is done two-dimensional grid and is moved.
Wherein, pass through the first sonac collet sleeve between the first sonac 4-1 and first level connecting rod 11-1
Cylinder 6-1 fixes, and passes through the second sonac chuck sleeve 6- between the second sonac 4-2 and the second waling stripe 11-2
2 is fixing.As shown in figure 4, the first sonac chuck sleeve 6-1 concrete structure is：Including horizontal case 16 and vertical pipes
17, connected by connecting portion 18 between horizontal case 16 and vertical pipes 17, the casing wall of vertical pipes 17 uniformly has 3
Screw, first level connecting rod 11-1 passes through insertion horizontal case 16 and connects, between the first sonac 4-1 and vertical pipes 17
3 screws in vertical pipes 17 are screwed into by the first adjusting screw A19, the second adjusting screw B20, the 3rd adjusting screw C21
Fixing.Second sonac chuck sleeve 6-2 concrete structure is：Including horizontal case 16 and vertical pipes 17, horizontal case
Connected by connecting portion 18 between 16 and vertical pipes 17, the second waling stripe 11-2 passes through insertion horizontal case 16 and connects, the
Two sonac 4-2 pass through insertion vertical pipes 17 and connect.As shown in figure 5, the second sonac 4-2 is located at horizontal case
16 part above are additionally provided with holddown spring 9, and holddown spring 9 is used for compression the second sonac 4-2, in detection process
Guarantee that the second sonac 4-2 is adjacent to all the time in test specimen lower surface to be measured.First level connecting rod 11-1 and vertical connecting rod 12 it
Between by first connecting rod press from both sides 10-1 fix, between the second waling stripe 11-2 and vertical connecting rod 12 by second connecting rod press from both sides 10-2 consolidate
Fixed, gripper shoe 14 bottom is provided with 3 base angle screws 15, and gripper shoe 14 is integrated with base angle screw 15 assembling, base angle screw 15
For finely tuning the dimensional orientation of gripper shoe 14, remain in detection process and maintain static.
A kind of experimental provision of the utility model combination surface contact state ultrasound detection, measuring principle is as follows：
When loading on faying face, have in the surface of test piece of geometrical morphology and substantial amounts of dimpling peak is distributed with, wherein high
Contact in the dimpling peak of average dimpling peak heights, and bear load effect, quantity contact with dimpling peak at contact dimpling peak
Area changes with the change of load, and these reacting conditions are the change of reflected ultrasonic and transmission ultrasonic signal waveform
Change, can be characterized using the feature such as reflectivity (transmissivity) or nonlinear factor.By two-dimensional grid form is carried out to faying face
Ultrasonic scanning detection, then can form the two-dimensional intensity signal of characteristic signal on faying face, according to ultrasonic feature signal with connect
Relation between touch pressure, the two-dimensional intensity distribution on faying face is converted on faying face between pressure distribution and contact condition
Relation.
A kind of experimental provision of the utility model combination surface contact state ultrasound detection, is combined using ultrasonic transflector
Method detects to the contact condition of plane faying face, and the first sonac 4-1 is transmitting-receiving consubstantiality ultrasonic probe, is located at
The surface of test specimen to be measured, the second sonac 4-2 pops one's head in for ultrasonic reception, and positioned at the underface of test specimen to be measured, two surpass
Sonic transducer is contacted with test specimen air-gap-free to be measured respectively by couplant, the first sonac 4-1 and in detection process
The direction position of two sonac 4-2 keeps constant.As shown in Figure 2 and Figure 3, test specimen to be measured includes test specimen 5-1, lower test specimen
5-2, the rough surface that test specimen contacts with each other forms tested faying face so that the first sonac 4-1 and second ultrasonic
The acoustic beam transmitting of sensor 4-2 and reception direction are perpendicular to tested faying face.Upper test specimen 5-1 and lower test specimen 5-2 passes through retainer ring 7
Fixed-link together after, have fixing by four loading bolts 8, retainer ring 7 ensures that upper and lower test specimen contact area correspondence is constant,
Loading bolt 8 connects upper and lower test specimen, and the moment of torsion changing loading bolt 8 is realized changing the load on upper and lower test specimen faying face.
In experimentation,
Using retainer ring 7, upper test specimen 5-1 and lower test specimen 5-2 is positioned, using loading bolt 8, upper and lower test specimen is fixed
Together, to loading bolt 8 uniform load, so that surface of test piece pressure is equalized, form fixing contact area；
By the through hole with column 3 correspondence position and size on lower test specimen 5-2, test specimen is arranged on support base 2
On, make test specimen be located at the surface of support base 2；
Press from both sides 10-1 by connecting rod first level connecting rod 11-1 is arranged on vertical connecting rod 12, in first level connecting rod 11-1
On be installed the first sonac 4-1, adjusting three-dimensional mobile platform 1 height makes test specimen relative to the first sonac 4-1
It is in optimum position.Next, the second waling stripe 11-2 is arranged on by connecting rod folder 10-2 perpendicular according to test specimen position to be measured
On straight connecting rod 12, the second waling stripe is consistent with first level length of connecting rod, with reference to the first sonac installation site the
On two waling stripe 11-2, fixed position is installed the second sonac 4-2 and holddown spring 9 it is ensured that two sonacs exist
It is aligned in vertical direction, the elastic force of holddown spring 9 can ensure that the second sonac 4-2 is adjacent in test specimen lower surface to be measured；
Vertically connecting rod 12 is threadingly attached to magnetic stand 13, and magnetic stand 13 adsorbs in gripper shoe 14, tested
Immobilize in journey；
Adjust base angle screw 15, realize inclination angle and the angle of pitch fine setting of gripper shoe 14, reach bracing frame 14 upper surface with
Test specimen upper surface to be measured is parallel, that is, parallel to the purpose of plane faying face, base angle screw 15 and gripper shoe 14 in experimentation
Immobilize；
Sensor chuck 6-1 clamps the first sonac 4-1, the first adjusting screw A19, the second adjusting screw B20, the
Three adjusting screws C21 fine setting probe orientation, make acoustic beam perpendicular to faying face, the first sonac 4-1 pass through couplant with upper
The air-gap-free contact of test specimen 5-1 upper surface.Holddown spring 9 makes the second sonac 4-2 pass through couplant and lower examination by elastic force
Part 5-2 lower surface air-gap-free contacts, and in detection process, two sonacs immobilize；
To any measured position, the first sonac 4-1 and the second sonac are obtained by signal pickup assembly
The reflection of 4-2 output and transmission ultrasonic signal, three-dimensional mobile platform 1 is done two-dimensional grid in the horizontal plane and is moved, and obtains faying face
Corresponding reflection and transmission 2D signal array；
After the completion of one group of experiment, change load, repeat the above steps, so, can get reflection faying face under different loads
The measurement data of contact condition；
After the completion of one group of test specimen, change test specimen, repeat the above steps, can get connecing under different Complexed Prostate Specific Antigen
The measurement data of tactile state；
After every group of experiment is measured, carry out Data Post, obtain under different loads act on and different faying face
The description of surface contact state is combined during parameter.
A kind of experimental provision of the utility model combination surface contact state ultrasound detection, by the faying face to coupling pressure
Carry out reflection and transmission ultrasonic detection simultaneously, scan and obtain the reflectivity on faying face and transmission rate matrix, count faying face
Upper reflectivity, transmissivity integration, according to the corresponding relation between total load on reflectivity, transmissivity integration and faying face, obtain
Pressure distribution on faying face region simultaneously estimates the relative contact tightness degree of faying face.Measurement experimental provision structure is simpler
Single, can be scanned for the faying face pressure distribution situation under the parameters such as different contact geometry patterns, pressure and material
Measurement, and using the rule between interpretation load change and the change of faying face closeness of contact.
Claims (7)
1. a kind of experimental provision of combination surface contact state ultrasound detection is it is characterised in that include the first of consistency from top to bottom setting
Sonac (4-1) and the second sonac (4-2), the first sonac (4-1) and the second sonac (4-2)
Between place test specimen to be measured, the first sonac (4-1) and the second sonac (4-2) pass through to connect first level respectively
It is fixed in after connecting rod (11-1) and the second waling stripe (11-2) on vertical connecting rod (12), vertical connecting rod (12) passes through magnetic power meter
Seat (13) is fixed in gripper shoe (14), and described second sonac (4-2) bottom is provided with support base (2), supports
3 root posts (3) are provided with base (2), support base (2) and 3 root posts (3) are assembled together, below test specimen to be measured,
Support base (2) bottom is fixed with three-dimensional mobile platform (1), and in experimentation, three-dimensional mobile platform (1) is done two-dimensional grid and moved.
2. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 1 is it is characterised in that described
Pass through the first sonac chuck sleeve (6-1) solid between first sonac (4-1) and first level connecting rod (11-1)
Fixed, pass through the second sonac chuck sleeve between described second sonac (4-2) and the second waling stripe (11-2)
(6-2) fixing.
3. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 2 is it is characterised in that described
First sonac chuck sleeve (6-1) concrete structure is：Including horizontal case (16) and vertical pipes (17), horizontal case
(16) pass through connecting portion (18) and vertical pipes (17) between to connect, the casing wall of vertical pipes (17) uniformly has 3 spiral shells
Hole, described first level connecting rod (11-1) is passed through to insert horizontal case (16) and is connected, described first sonac (4-1) and vertical
Pass through the first adjusting screw A (19) between straight connector (17), the second adjusting screw B (20), the 3rd adjusting screw C (21) be screwed into vertical
3 screws on straight connector (17) are fixed.
4. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 2 is it is characterised in that described
Second sonac chuck sleeve (6-2) concrete structure is：Including horizontal case (16) and vertical pipes (17), horizontal case
(16) pass through connecting portion (18) and vertical pipes (17) between to connect, the second waling stripe (11-2) passes through to insert horizontal case
(16) connect, the second sonac (4-2) passes through to insert vertical pipes (17) connection.
5. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 4 is it is characterised in that described
Second sonac (4-2) is additionally provided with holddown spring (9), holddown spring positioned at described horizontal case (16) part above
(9) it is used for compression the second sonac (4-2), guarantee that the second sonac (4-2) is adjacent to all the time in detection process
Test specimen lower surface to be measured.
6. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 1 is it is characterised in that described
Fixing by first connecting rod folder (10-1) between first level connecting rod (11-1) and vertical connecting rod (12), the second waling stripe (11-
2) fixing by second connecting rod folder (10-2) and vertical connecting rod (12) between.
7. a kind of experimental provision of combination surface contact state ultrasound detection according to claim 1 is it is characterised in that described
Gripper shoe (14) bottom is provided with 3 base angle screws (15), and gripper shoe (14) is integrated with base angle screw (15) assembling, base angle spiral shell
Nail (15) is used for finely tuning the dimensional orientation of gripper shoe (14), remains and maintain static in detection process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620774566.4U CN205941459U (en) | 2016-07-21 | 2016-07-21 | Experimental device for faying face contact State ultrasonic testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620774566.4U CN205941459U (en) | 2016-07-21 | 2016-07-21 | Experimental device for faying face contact State ultrasonic testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941459U true CN205941459U (en) | 2017-02-08 |
Family
ID=57925828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620774566.4U Expired - Fee Related CN205941459U (en) | 2016-07-21 | 2016-07-21 | Experimental device for faying face contact State ultrasonic testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254083A (en) * | 2018-09-12 | 2019-01-22 | 南昌航空大学 | A kind of pressure monitoring clamping device for ultrasound non-linear test |
| CN109828030A (en) * | 2019-03-28 | 2019-05-31 | 深圳中凯剑无损检测设备科技有限公司 | A kind of reflector pattern extraction system and extracting method based on sound field characteristics |
-
2016
- 2016-07-21 CN CN201620774566.4U patent/CN205941459U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254083A (en) * | 2018-09-12 | 2019-01-22 | 南昌航空大学 | A kind of pressure monitoring clamping device for ultrasound non-linear test |
| CN109828030A (en) * | 2019-03-28 | 2019-05-31 | 深圳中凯剑无损检测设备科技有限公司 | A kind of reflector pattern extraction system and extracting method based on sound field characteristics |
| CN109828030B (en) * | 2019-03-28 | 2021-07-27 | 烟台中凯检测科技有限公司 | Reflector morphology extraction system and method based on sound field characteristics |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20190721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |