CN208255151U - A kind of clamping device of the Air Coupling probe of adjustable angle - Google Patents
A kind of clamping device of the Air Coupling probe of adjustable angle Download PDFInfo
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- CN208255151U CN208255151U CN201820735292.7U CN201820735292U CN208255151U CN 208255151 U CN208255151 U CN 208255151U CN 201820735292 U CN201820735292 U CN 201820735292U CN 208255151 U CN208255151 U CN 208255151U
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- clamping device
- air coupling
- fixedly connected
- shaft holder
- fixed
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Abstract
The utility model relates to a kind of clamping device of the Air Coupling of adjustable angle probe, rotary components are pivotably coupled to pedestal, and moving assembly is movably attached to rotary components, and the fixation kit for entraining air coupling probe is fixedly connected with moving assembly；The rotary components include mainboard, terminal pad, rotating shaft holder, roller bearing and rotational positioning bolt, rotating shaft holder is fixedly connected on pedestal, roller bearing is fixedly connected with mainboard and is inserted into rotating shaft holder, one end of terminal pad is fixedly connected on mainboard, and the other end of terminal pad is relatively fixed to pedestal by rotational positioning bolt.Clamping device according to the present utility model grips Air Coupling probe by fixation kit；Change the distance between Air Coupling probe and part to be measured by moving assembly；Change the angle between Air Coupling probe and part surface to be measured by rotary components, to meet the requirement for needing to adjust the position between Air Coupling probe and part to be measured in measurement process.
Description
Technical field
The utility model relates to clamping devices, relate more specifically to a kind of clamping dress of the Air Coupling probe of adjustable angle
It sets.
Background technique
The one kind of contact energy converter as ultrasonic transducer, is widely used in ultrasound detection.In the mistake of detection
Cheng Zhong needs to smear one layer of solid-state or liquid coupling agent between contact energy converter and part to be measured, due to couplant dosage and
The uncertainty of practical coupling condition can cause the fluctuation of measurement data, and then generate certain measurement error.
The one kind of Air Coupling probe as contactless energy converter is coupled in the measurements using air as couplant
The influence of the factors such as agent dosage is smaller, can reduce the measurement error as caused by solid-state or liquid coupling agent to a certain extent,
More and more it is applied in ultrasound detection.
Particularly, the one kind of the Lamb wave in part (such as thin plate) to be measured as ultrasonic wave is commonly used for detecting parts list
The damage and defect in face and inside.In actual measurement, it usually needs the angle between adjustment Air Coupling probe and part to be measured,
With the signal of excitation (or reception) AD HOC.But there is no a kind of air couplings of such adjustable angle in the prior art
Close the clamping device of probe.
Utility model content
In order to solve the problems, such as the above-mentioned angle of the existing technology that can not accurately adjust Air Coupling probe, this is practical
A kind of clamping device of the novel Air Coupling probe for being intended to provide adjustable angle.
The clamping device of the Air Coupling probe of adjustable angle described in the utility model, including pedestal, rotary components, shifting
Dynamic component and fixation kit, wherein rotary components are pivotably coupled to pedestal, and moving assembly is movably attached to rotation group
Part, the fixation kit for entraining air coupling probe are fixedly connected with moving assembly；The rotary components include mainboard, connection
Disk, rotating shaft holder, roller bearing and rotational positioning bolt, wherein rotating shaft holder is fixedly connected on pedestal, and roller bearing is fixed with mainboard
It is connected and inserted into rotating shaft holder, one end of terminal pad is fixedly connected on mainboard, and the other end of terminal pad passes through rotational positioning
Bolt is relatively fixed to pedestal.
Moving assembly includes linear guide, slide unit, sliding block, screw rod, moving shaft holder and feed screw nut, wherein straight line is led
Rail is fixedly connected with mainboard, and moving shaft holder is fixedly connected with mainboard, and screw rod passes through moving shaft holder connection support and and straight line
Guide rail is spaced apart, and sliding block is connected to screw rod by feed screw nut and is cooperated by slide unit and linear guide.
Screw rod passes through sliding block by feed screw nut and is connected to moving shaft holder.
Moving assembly further includes the handwheel for being fixed on screw rod.
Fixation kit includes fixed block, top plate and fixing bolt, wherein fixed block is fixedly connected with a slide block, and top plate passes through
Fixing bolt is connected to fixed block, and Air Coupling probe is clamped between fixed block and top plate and is clamped by fixing bolt.
Pedestal includes bottom plate and the add-in card perpendicular to bottom plate.
Bottom plate is slab construction, and add-in card is connected and fixed on the slab construction.
The upper surface of add-in card and the central axis of roller bearing are in the same plane.
Add-in card is relatively fixed in the other end insertion add-in card of terminal pad and by rotational positioning bolt.
The surface of terminal pad has scale.
Clamping device according to the present utility model grips Air Coupling probe by fixation kit；Pass through movement
Component changes the distance between Air Coupling probe and part to be measured；Change Air Coupling probe and part table to be measured by rotary components
Angle between face, to meet the requirement for needing to adjust the position between Air Coupling probe and part to be measured in measurement process.
Detailed description of the invention
Fig. 1 is the clamping device of the Air Coupling probe of the adjustable angle of a preferred embodiment according to the present utility model
Perspective view；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the application schematic diagram of Fig. 1.
Specific embodiment
With reference to the accompanying drawing, the preferred embodiment of the utility model is provided, and is described in detail.
As shown in Figure 1-Figure 3, the clamping device 2 of the adjustable angle of a preferred embodiment according to the present utility model by with
Carry out entraining air coupling probe 1, and can be adjusted according to the needs the position of Air Coupling probe 1, including adjusts Air Coupling and visit
Angle and distance between first 1 and part to be measured.
The adjustable angle of a preferred embodiment according to the present utility model Air Coupling probe clamping device 2 include
Pedestal 21, rotary components 22, moving assembly 23 and fixation kit 24, wherein pedestal 21 is fixed on the (ginseng of workbench 4 as needed
See Fig. 3) on, rotary components 22 are pivotably coupled to pedestal 21, and moving assembly 23 is movably attached to rotary components 22, use
It is fixedly connected on moving assembly 23 in the fixation kit 24 of entraining air coupling probe 1.
Wherein, pedestal 21 includes bottom plate 211 and the add-in card 212 perpendicular to bottom plate 211.Referring to Fig. 3, bottom plate 211 is flat
Hardened structure, add-in card 212, which is bolted, to be fixed on the slab construction.
Wherein, rotary components 22 include mainboard 221, terminal pad 222, rotating shaft holder 223, roller bearing 224 and rotational positioning
Bolt 225, wherein rotating shaft holder 223 is fixed on the upper surface of bottom plate 211, and roller bearing 224 is fixed with mainboard 221 and inserts
Enter in rotating shaft holder 223, the top of terminal pad 222 is fixed on the back side of mainboard 221, and the bottom end of terminal pad 222 passes through attached
Splice 212 simultaneously can be relatively fixed to add-in card 212 by rotational positioning bolt 225.In this way, mainboard 221 is by means of swivel bearing
Seat 223 is rotated using the central axis of roller bearing 224 as rotary shaft, and in the process, terminal pad 222 rotates in add-in card 212,
After being rotated into required position, terminal pad 222 can be fixed on add-in card 212 by rotational positioning bolt 225, thus will
Mainboard 221 is fixed on required angle position, to prevent the rotation of mainboard 221 in experimentation.In the present embodiment, the connection
The surface of disk 222 has scale, and the upper surface of add-in card 212 and the central axis of roller bearing 224 are in the same plane, convenient for operation
Person is recorded and read out to angle is adjusted.
Wherein, moving assembly 23 include linear guide 231, slide unit 238, sliding block 232, screw rod 233, moving shaft holder 234,
Feed screw nut 235 and handwheel 236, wherein linear guide 231 is fixed on the front of mainboard 221, and moving shaft holder 234 is consolidated
It is scheduled on the top and bottom end of mainboard 221, screw rod 233 is supported on certain apart from linear guide 231 by the connection of moving shaft holder 234
The position of distance, sliding block 232 are connected to screw rod 233 by feed screw nut 235, which passes through slide unit 238 and linear guide
231 cooperations, handwheel 236 are fixed by bolts in the top of screw rod 233.In this way, external force can drive silk in handwheel 236
The rotation of bar 233, to drive sliding of the sliding block 232 in linear guide 231.In the present embodiment, screw rod 233 passes through screw rod
Nut 235 is connected to moving shaft holder 234 across sliding block 232.In the present embodiment, the side of sliding block 232 is fixed with finger
Needle 237, as shown in Fig. 2, in the measurements, rotation hand wheel 236 touches the upper surface of part to be measured, record to Air Coupling probe 1
The corresponding numerical value x1 of pointer 237, then rotates backward handwheel 236, and Air Coupling probe 1 is made slowly to leave part to be measured to measuring position
It sets, the corresponding numerical value x2 of record pointer 237.The distance of center to the upper surface of part to be measured of Air Coupling probe 1 is x2-x1+
D/ (2*tan θ), wherein d is the radius of Air Coupling probe 1, angle of the θ between mainboard 221 and horizontal plane.
Wherein, fixation kit 24 includes fixed block 241, top plate 242 and fixing bolt 243, wherein fixed block 241 passes through
Bolt is fixedly attached on sliding block 232 and can slide with sliding block 232, and top plate 242 is connected to fixed block by fixing bolt 243
241, Air Coupling probe 1 is clamped between fixed block 241 and top plate 242 and is clamped by fixing bolt 243.In this implementation
In example, the central axis of Air Coupling probe 1 is parallel with screw rod 233.
In the clamping device 2 of the adjustable angle of a preferred embodiment according to the present utility model, Air Coupling probe 1
It is gripped by the fixed block 241 and top plate 242 of fixation kit 24, prevents the fluctuation of data in measurement process；Pass through shifting
The handwheel 236 of component 23 is moved to change the position of sliding block 232, that is, changes Air Coupling probe the distance between 1 and part to be measured, it is special
It is not to pop one's head in for focusing Air Coupling, when probe is equal to focal length at a distance from part, the sound of transmitting (or reception)
The energy of wave can significantly increase, and can improve the susceptibility of detection in a certain range；Pass through the mainboards 221 of rotary components 22
Rotation can change the angle between Air Coupling probe 1 and part surface to be measured, the angle that the scale in terminal pad 222 is shown
Angle as between Air Coupling probe 1 and part surface to be measured can pass through rotation after selecting suitable angle according to requirement of experiment
Turn positioning bolt 225 and Air Coupling probe 1 is fixed on the angle.
Compared to contact probe, the ultrasonic signal of Air Coupling probe transmitting is weaker.In use, contact is visited
Head pops one's head in Air Coupling as reception energy converter generally as excitation energy converter.In concrete application citing, such as Fig. 3 institute
Show, contact probe and its wedge block pass through self adaptive clamping device 3 (referring to CN 201520873416.4) clamping, air coupling
The clamping device 2 for closing the adjustable angle that probe 1 provides a preferred embodiment according to the present utility model clamps, wherein clamping
Device 2 and self adaptive clamping device 3 are shiftably disposed on workbench 4.Wherein, contact probe and its wedge block are logical
Crossing the method that self adaptive clamping device 3 clamps can be found in CN 201520873416.4, and details are not described herein, then carry out following
Step measures:
Firstly, Air Coupling probe 1 is fixed between fixed block 241 and top plate 242 by fixing bolt 243；
Secondly, terminal pad 222 is fixed on add-in card by rotational positioning bolt 225 to measurement angle by rotary mainboard 221
On 212；
Then, by the sliding block 232 in the mobile linear guide 231 of rotation hand wheel 236, adjustment Air Coupling probe 1 is opposite
In the position of part to be measured；
Finally, realizing the ultrasonic measurement to part to be measured using above-mentioned clamping device and auxiliary facility.
The clamping device 2 of the Air Coupling probe of the adjustable angle of a preferred embodiment according to the present utility model is certainly
It, can be in the detection of linear surface wave and linear Lamb wave, while in nonlinear surface wave under the cooperation of adaptive clamping device 3
It is equally applicable in detection with non-linear Lamb wave.Wherein, clamping device 2 is mainly used for entraining air coupling probe 1, not
Cooperate self adaptive clamping device 3 to use in the ultrasound detection of same type, can reduce by contact measurement bring experimental error.
Above-described, the only preferred embodiment of the utility model is not intended to limit the scope of the utility model, this
Above-described embodiment of utility model can also make a variety of changes.I.e. all claims according to the present utility model application and
Simple, equivalent changes and modifications, fall within the claims of the utility model patent made by description.This
The not detailed description of utility model is routine techniques content.
Claims (10)
1. the clamping device that a kind of Air Coupling of adjustable angle is popped one's head in, which is characterized in that the clamping device includes pedestal, rotation
Component, moving assembly and fixation kit, wherein rotary components are pivotably coupled to pedestal, and moving assembly is movably coupled to
In rotary components, the fixation kit for entraining air coupling probe is fixedly connected with moving assembly；The rotary components include master
Plate, terminal pad, rotating shaft holder, roller bearing and rotational positioning bolt, wherein rotating shaft holder is fixedly connected on pedestal, roller bearing with
Mainboard is fixedly connected and is inserted into rotating shaft holder, and one end of terminal pad is fixedly connected on mainboard, and the other end of terminal pad passes through
Rotational positioning bolt is relatively fixed to pedestal.
2. clamping device according to claim 1, which is characterized in that moving assembly include linear guide, slide unit, sliding block,
Screw rod, moving shaft holder and feed screw nut, wherein linear guide is fixedly connected with mainboard, moving shaft holder and the fixed company of mainboard
It connects, screw rod is connected by moving shaft holder and supports and be spaced apart with linear guide, and sliding block is connected to screw rod simultaneously by feed screw nut
Cooperated by slide unit and linear guide.
3. clamping device according to claim 2, which is characterized in that screw rod passes through sliding block by feed screw nut and is connected to shifting
Dynamic bearing seat.
4. clamping device according to claim 2, which is characterized in that moving assembly further includes the handwheel for being fixed on screw rod.
5. clamping device according to claim 1, which is characterized in that fixation kit includes fixed block, top plate and fixed spiral shell
Bolt, wherein fixed block is fixedly connected with a slide block, and top plate is connected to fixed block by fixing bolt, and Air Coupling probe is clamped
It is clamped between fixed block and top plate and through fixing bolt.
6. clamping device according to claim 1, which is characterized in that pedestal includes bottom plate and adding perpendicular to bottom plate
Plate.
7. clamping device according to claim 6, which is characterized in that bottom plate is slab construction, and add-in card is connected and fixed on
On the slab construction.
8. clamping device according to claim 6, which is characterized in that the upper surface of add-in card and the central axis of roller bearing are located at
On same plane.
9. clamping device according to claim 6, which is characterized in that in the other end insertion add-in card of terminal pad and pass through
Rotational positioning bolt is relatively fixed to add-in card.
10. clamping device according to claim 1, which is characterized in that the surface of terminal pad has scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735292.7U CN208255151U (en) | 2018-05-17 | 2018-05-17 | A kind of clamping device of the Air Coupling probe of adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820735292.7U CN208255151U (en) | 2018-05-17 | 2018-05-17 | A kind of clamping device of the Air Coupling probe of adjustable angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208255151U true CN208255151U (en) | 2018-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820735292.7U Active CN208255151U (en) | 2018-05-17 | 2018-05-17 | A kind of clamping device of the Air Coupling probe of adjustable angle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777173A (en) * | 2021-08-20 | 2021-12-10 | 西北工业大学 | Ultrasonic nonlinear measurement clamping device and measurement method thereof |
| CN114952670A (en) * | 2022-07-01 | 2022-08-30 | 深圳中科飞测科技股份有限公司 | Clamping device and bearing equipment |
-
2018
- 2018-05-17 CN CN201820735292.7U patent/CN208255151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113777173A (en) * | 2021-08-20 | 2021-12-10 | 西北工业大学 | Ultrasonic nonlinear measurement clamping device and measurement method thereof |
| CN114952670A (en) * | 2022-07-01 | 2022-08-30 | 深圳中科飞测科技股份有限公司 | Clamping device and bearing equipment |
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