CN206095490U - Portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable - Google Patents
Portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable Download PDFInfo
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- CN206095490U CN206095490U CN201621117421.3U CN201621117421U CN206095490U CN 206095490 U CN206095490 U CN 206095490U CN 201621117421 U CN201621117421 U CN 201621117421U CN 206095490 U CN206095490 U CN 206095490U
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- slide plate
- fixed
- coupling pressure
- spring
- removable slide
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Abstract
The utility model provides a portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable, includes probe clamping device, but probe clamping device and coupling pressure adjustment assembly's lower slide plate lower surface middle part fixed connection, but slide plate's last fixed surface is connected with the spring of two at least symmetric distributions down, but through -hole and the last slide plate's of fixed plate lower fixed surface was connected in the middle of the spring passed, but installed pressure sensor between at least one spring and last slide plate's the lower surface, middle fixed plate level is fixed in on the box, but go up slide plate's middle part and be provided with the accent power screw through -hole who supplies to transfer the power screw to pass, be provided with the screw thread through -hole that is used for the fixed power of accent screw lower extreme on the middle fixed plate, four minutes of coupling pressure adjustment assembly's box do not be the support double -screw bolt fixed connection of high strength sucking disc with four bottoms. The device can realize the single independent operation in full position and adjust coupling pressure, makes residual stress measuring result more accurate.
Description
Technical field
This utility model is related to a kind of portable probe fixture for ultrasonic measurement of stress system coupling pressure, category
In residual stress field of non destructive testing.
Background technology
At present China is in the important period of industrial sector update, and that eliminates poor benefit high pollution in the past falls behind product
Can, put forth effort to pursue the high-tech advanced industry of high benefit.With the fast development of the industries such as space flight and aviation, bullet train, high-end system
Make the pillar for being increasingly becoming China's industry.And large-sized structural parts need to be attached by solder technology mostly, due to welding
Component nonuniform heating in journey, welding residual stress will be inevitable.Research shows making for residual stress meeting appreciable impact component
Use the life-span.Accurate Determining residual stress is most important for solution residual stress problems.
Existing residual stress measuring method is broadly divided into and damages and two kinds of Non-Destructive Testing, and orifice method and cutting method are to damage
The main mode of detection, but this method efficiency is low, damaged member, using less in production.Lossless detection method has X-ray
The features such as method, supercritical ultrasonics technology etc., wherein supercritical ultrasonics technology measurement remnant stress efficiency high, green non-pollution, obtains in actual production
Using.
During supercritical ultrasonics technology measurement structure part residual stress, ultrasonic probe is coupled with component surface needs certain coupling pressure
Power.The difference of coupling pressure, measurement result can also occur corresponding change.And at the scene operation when often through operator handss
There is provided, such metering system will need the substantial amounts of working experience of operator, while also inevitably introducing larger measurement
Error.
Utility model content
Goal of the invention of the present utility model is to provide a kind of adjustable portable spy of ultrasonic measurement of stress system coupling pressure
Head fixing equipment.The device overcomes hands grasping ultrasonic probe during traditional stress test and easily causes between probe and workpiece
Measurement error problem caused by coupling pressure fluctuation, is capable of achieving the single independent operation of all positon and adjusts coupling pressure, makes remnants
Results of stress is more accurate.
This utility model realizes that its goal of the invention is adopted the technical scheme that：A kind of ultrasonic measurement of stress system coupling pressure
The adjustable portable probe fixture of power, including probe clamping device, it is structurally characterized in that：The probe clamping device and coupling
The lower surface middle part of the lower removable slide plate of combined pressure apparatus for adjusting force is fixedly connected；Down the upper surface of removable slide plate is fixedly connected
There are at least two symmetrical springs；Spring is fixed and connected through the through hole of middle fixing plate and the lower surface of upper removable slide plate
Connect, pressure transducer is installed between the lower surface of at least one spring and upper removable slide plate；The middle fixing plate level
It is fixed on the casing of coupling pressure adjusting means, in the middle part of the upper removable slide plate tune passed through for force adjustment screw is provided with
Power screwing through hole, is provided with vertical with the force adjustment screwing through hole position corresponding for fixing force adjustment screw on middle fixing plate
The tapped through hole of lower end；Four angles of the casing of the coupling pressure adjusting means are respectively high intensity sucker with four bottoms
Supporting studs are fixedly connected.
Compared with prior art, the beneficial effects of the utility model are：This probe fixture is simple to operation, measurement
Shi Wuxu hands graspings, are coordinated by both upper removable slide plate and supporting studs and are accurately controlled coupling pressure, are prevented effectively from
The measurement error that coupling pressure fluctuates and produces in test process.Simultaneously this utility model device volume is little portable, can surpass
Sonic test probe is smoothly fixed on workpiece, is capable of achieving the single independent operation of all positon, accurate measurement.Additionally by regulation
The height of supporting studs, is adapted to the component surface that there is certain high low head and radian.
Use process of the present utility model is：
1st, sample tested surface is polished flat and uses alcohol washes so as to reach test required cleaning degree requirement, in order to
High intensity sucker stably adsorbs on sample；
2nd, ultrasound probe is fixed on probe clamping device, the device is placed on tested surface, visit ultrasound wave
Head measuring surface is parallel with surface to be measured；
3rd, the transmitting-receiving two-end in ultrasound wave is applied and spreads a certain amount of couplant, adjusting apparatus position so that ultrasound probe
Center is directed at tested point；
4th, whole device is pushed so that the high intensity sucker suction of supporting studs is on the surface of component to be measured, so as to this be filled
Put and be fixed on sample, now ultrasound probe is obtained together with certain distance is moved on lower removable slide plate by pressure transducer
Coupling pressure now；
5th, force adjustment screw is rotated, and then controls the flexible adjusting coupling pressure of spring, according to the reading of pressure transducer
Determine whether the coupling pressure value for reaching requirement；
6th, the measurement that residual stress just can be carried out after pressure transducer numerical stability is waited.
Further, spring inner described in the utility model is provided with the slide bar for support spring, the slide bar lower end with
Down the upper surface of removable slide plate is fixedly connected；The slide bar upper end is free end, is provided with upper removable slide plate and supplies slide bar
The slide bar through hole for passing through.
Slide bar supports the spring of softness and deforms in the prescribed direction, perpendicular to lower removable slide plate imposed load.
Further, lower removable slide plate described in the utility model, middle fixing plate and upper removable slide plate are square,
The spring for being fixed on lower removable slide plate upper surface is four, is distributed on four angles of lower removable slide plate, symmetrical point
Cloth.
Four springs can be by removable slide plate under being applied to of the uniform load suffered by upper moving slide board, it is to avoid eccentric force
Generation.
Further, pressure transducer display screen described in the utility model is electrically connected with pressure transducer, is arranged at removable
On the upper surface of dynamic slide plate.
Pressure transducer can in real time show the stressing conditions of ultrasonic probe with pressure transducer display screen
Further, supporting studs top described in the utility model is threaded, the casing bolt with coupling pressure adjusting means
Connect, by location nut level altitude.
On the tested surface of certain high low head, four support spiral shells can be adjusted according to the situation that is uneven on surface to be measured
The relative altitude of the location nut on post so that the measuring surface of ultrasonic probe is parallel with tested surface.
Description of the drawings
Fig. 1 faces partial schematic sectional view for this utility model embodiment.
Fig. 2 is that this utility model embodiment is right regards schematic diagram.
Fig. 3 is this utility model embodiment schematic top plan view.
Description of reference numerals is as follows：1- location nuts；2- supporting studs；3- pressure transducers；4- force adjustment screws；5- is slided
Bar；6- casings；Slide plate is may move on 7-；8- springs；9- middle fixing plates；Slide plate is may move under 10-；12- probe clamping devices；
13- high intensity suckers；15- pressure transducer display screens.
Specific embodiment
Embodiment
Fig. 1 to Fig. 3 illustrates that a kind of specific embodiment of the present utility model is：
A kind of adjustable portable probe fixture of ultrasonic measurement of stress system coupling pressure, including probe clamping device
12, it is structurally characterized in that：The lower surface of the lower removable slide plate 10 of the probe clamping device 12 and coupling pressure adjusting means
Middle part is fixedly connected；Down the upper surface of removable slide plate 10 is fixedly connected with least two symmetrical springs 8；Spring 8 is worn
The through hole for crossing middle fixing plate 9 is fixedly connected with the lower surface of upper removable slide plate 7, at least one spring 8 and upper removable cunning
Pressure transducer 3 is installed between the lower surface of plate 7；The level of the middle fixing plate 9 is fixed on coupling pressure adjusting means
On casing 6, the middle part of the upper removable slide plate 7 is provided with the force adjustment screwing through hole passed through for force adjustment screw 4, middle fixing plate
The corresponding tapped through hole for fixing the lower end of force adjustment screw 4 vertical with the force adjustment screwing through hole position is provided with 9；It is described
Four angles of the casing 6 of coupling pressure adjusting means are fixed for the supporting studs 2 of high intensity sucker 13 with four bottoms connect respectively
Connect.
Spring 8 described in this example is internally provided with the slide bar 5 for support spring, and the lower end of the slide bar 5 is removable with lower
The upper surface of slide plate 10 is fixedly connected；The upper end of the slide bar 5 is free end, is provided with upper removable slide plate 7 and is passed through for slide bar 5
Slide bar through hole.
Removable slide plate 10, middle fixing plate 9 and upper removable slide plate 7 are square under described in this example, described solid
It is four due to the spring 8 of the lower upper surface of removable slide plate 10, is distributed on four angles of lower removable slide plate 10, symmetrical point
Cloth.
Pressure transducer display screen described in this example 15 is electrically connected with pressure transducer 3, is arranged at removable slide plate 7
On upper surface.
The top of supporting studs 2 described in this example is threaded, and bolts with the casing 6 of coupling pressure adjusting means, by fixed
The position level altitude of nut 1.
Claims (5)
1. a kind of adjustable portable probe fixture of ultrasonic measurement of stress system coupling pressure, including probe clamping device
(12), it is characterised in that：Under the lower removable slide plate (10) of probe clamping device (12) and coupling pressure adjusting means
Surface middle part is fixedly connected；Down the upper surface of removable slide plate (10) is fixedly connected with least two symmetrical springs (8)；
Spring (8) is fixedly connected through the through hole of middle fixing plate (9) with the lower surface of upper removable slide plate (7), at least one spring
(8) pressure transducer (3) is installed between the lower surface of upper removable slide plate (7)；Middle fixing plate (9) level is fixed
On the casing (6) of coupling pressure adjusting means, it is provided with the middle part of the upper removable slide plate (7) and is worn for force adjustment screw (4)
The force adjustment screwing through hole crossed, is provided with vertical with the force adjustment screwing through hole position corresponding for solid on middle fixing plate (9)
The tapped through hole of power of setting the tone screw (4) lower end；Four angles of the casing (6) of the coupling pressure adjusting means respectively with four bottoms
Portion is fixedly connected for the supporting studs (2) of high intensity sucker (13).
2. a kind of adjustable portable probe of ultrasonic measurement of stress system coupling pressure according to claim 1 is fixed and set
It is standby, it is characterised in that：The spring (8) is internally provided with the slide bar (5) for support spring, and slide bar (5) lower end is with
The upper surface of removable slide plate (10) is fixedly connected；Slide bar (5) upper end is free end, is arranged on upper removable slide plate (7)
There is the slide bar through hole passed through for slide bar (5).
3. a kind of adjustable portable probe of ultrasonic measurement of stress system coupling pressure according to claim 1 is fixed and set
It is standby, it is characterised in that：The lower removable slide plate (10), middle fixing plate (9) and upper removable slide plate (7) are square,
The spring (8) for being fixed on lower removable slide plate (10) upper surface is four, is distributed in four of lower removable slide plate (10)
It is symmetrical on angle.
4. a kind of adjustable portable probe of ultrasonic measurement of stress system coupling pressure according to claim 1 is fixed and set
It is standby, it is characterised in that：The pressure transducer display screen (15) electrically connects with pressure transducer (3), is arranged at removable cunning
On the upper surface of plate (7).
5. a kind of adjustable portable probe of ultrasonic measurement of stress system coupling pressure according to claim 1 is fixed and set
It is standby, it is characterised in that：Supporting studs (2) top is threaded, and bolts with the casing (6) of coupling pressure adjusting means, leads to
Cross location nut (1) level altitude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117421.3U CN206095490U (en) | 2016-10-13 | 2016-10-13 | Portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117421.3U CN206095490U (en) | 2016-10-13 | 2016-10-13 | Portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095490U true CN206095490U (en) | 2017-04-12 |
Family
ID=58482727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117421.3U Active CN206095490U (en) | 2016-10-13 | 2016-10-13 | Portable probe fixed equipment of supersound stress measurement system coupling pressure adjustable |
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| CN (1) | CN206095490U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289616A (en) * | 2016-10-13 | 2017-01-04 | 西南交通大学 | The adjustable Portable probe fixing device of ultrasonic measurement of stress system coupling pressure |
| CN107247089A (en) * | 2017-05-31 | 2017-10-13 | 大连理工大学 | A kind of self-adapting regulation method for ultrasonic measurement contact condition |
| CN114674472A (en) * | 2022-02-24 | 2022-06-28 | 山东齐鲁石化机械制造有限公司 | Residual stress detection device for nuclear power equipment after heat treatment |
-
2016
- 2016-10-13 CN CN201621117421.3U patent/CN206095490U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106289616A (en) * | 2016-10-13 | 2017-01-04 | 西南交通大学 | The adjustable Portable probe fixing device of ultrasonic measurement of stress system coupling pressure |
| CN107247089A (en) * | 2017-05-31 | 2017-10-13 | 大连理工大学 | A kind of self-adapting regulation method for ultrasonic measurement contact condition |
| CN107247089B (en) * | 2017-05-31 | 2020-04-07 | 大连理工大学 | Self-adaptive adjusting method for ultrasonic measurement of contact state |
| CN114674472A (en) * | 2022-02-24 | 2022-06-28 | 山东齐鲁石化机械制造有限公司 | Residual stress detection device for nuclear power equipment after heat treatment |
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