CN105910742B - A kind of ultrasonic wave residual stress test surface positions coupling device - Google Patents
A kind of ultrasonic wave residual stress test surface positions coupling device Download PDFInfo
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- CN105910742B CN105910742B CN201610510750.2A CN201610510750A CN105910742B CN 105910742 B CN105910742 B CN 105910742B CN 201610510750 A CN201610510750 A CN 201610510750A CN 105910742 B CN105910742 B CN 105910742B
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- ultrasonic wave
- residual stress
- stress test
- lens barrel
- energy converter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/25—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons
- G01L1/255—Measuring force or stress, in general using wave or particle radiation, e.g. X-rays, microwaves, neutrons using acoustic waves, or acoustic emission
Abstract
The invention discloses a kind of ultrasonic wave residual stress test surfaces to position coupling device, which includes organic glass wedge block, energy converter fixing screwed hole, positioning lens barrel, glue film bag, water flow pipes, mini flume；The organic glass voussoir mounting ultrasonic energy converter or ultrasonic transmission/reception probe, the threaded hole lower section lead directly to organic glass voussoir lower surface；Positioning lens barrel is located among glass voussoir, and glue film bag and energy converter fixing screwed hole are seamlessly connected.The present invention to the ultrasonic wave residual stress test surface coupling device of existing offer on the one hand can quickly, simple, flexible positioning need the position of stress test, and the direction of proof stress test is parallel with the direction that material roll or vertically；On the other hand the measuring accuracy of ultrasonic wave residual stress is improved, while avoids and organic glass wedge block bring higher cost and production efficiency reduction is processed according to different curvature value, realize that single device can be tested with multiple curvature.
Description
Technical field
The present invention relates to a kind of ultrasonic wave residual stress test surfaces to position coupling device, and in particular to one kind can be super
The accurate simple ultrasonic wave residual stress test surface positioning coupling positioned and test error is few during sound wave residual stress test
It attaches together and sets.
Background technique
The step of being tested at present using ultrasonic wave remnants is main are as follows: one, to needing material to be tested to carry out sonoelastic coefficient K
It is acquired with zero stress calibration block ultrasonic propagation velocity；Two, it treats test position to be marked, generally according to required to be tested
Two-dimensional coordinate system is established in position；Three, daubing coupling agent is carried out to required position to be tested；Four, ultrasonic wave transducer will be fixed with
The plexiglass block of device is fixed at coordinate to be measured；Five, stress test is carried out to the coordinate points that needs measure.
Needed during being demarcated in step 1 to sonoelastic coefficient respectively to the parallel rolling direction of same material and
Vertical rolling direction is demarcated, and spread speed of the ultrasonic wave in zero stress calibration block also will be respectively according to parallel rolling direction
It is acquired with vertical direction.Ultrasonic wave is mainly based upon what Sound elasticity principle tested residual stress, that is, utilizes material
Residual stress in the spread speed and material of middle ultrasonic wave is in a linear relationship to test remnants, the spread speed of ultrasonic wave
It is not only related with the stress in test piece, it is also related with the rolling direction of workpiece material.Same ultrasonic wave is in zero stress sample
In spread speed be also ultrasonic wave residual stress basic data, and spread speed of the ultrasonic wave in zero stress sample, also together
Sample it is related with the rolling direction of material.Parallel rolling direction and vertical rolling side usually are divided into the test of material residual stress
To stress test, if using ultrasonic wave carry out residual stress test, ultrasonic wave cannot be made in the material in the process of positioning
The direction of propagation accurately with material rolling direction and vertical direction, and the basic data sonoelastic coefficient K and zero stress used
Spread speed in sample is obtained according to parallel material rolling direction or vertical material rolling direction, to keep ultrasonic wave remaining
Stress test error is larger；On the other hand, when the workpiece surface of test is relatively rough, and pipeline with curvature etc. carries out
When stress test, the organic glass voussoir of mounting ultrasonic energy converter and the contact surface of test piece cause couple state compared with
Difference causes ultrasonic wave that higher decaying occurs on coupling poor interface, makes the resultant error of ultrasonic wave residual stress test
It is larger.
Organic glass voussoir transparency used at present is insufficient, and the lens barrel cross hairs of no positioning is as reference substance, usually only
The position tested needed for capable of being about fixed on ultrasonic wave stress test device rule of thumb adjusts organic glass voussoir, makes to surpass
The direction of Acoustic Wave Propagation and the direction of test stress are parallel, and then cause error larger.
The fixed voussoir of ultrasonic transducer organic glass is used as couplant usually using glycerol or honey etc. at present, and surveys
The surface of trial work part contacts coupling, and organic glass voussoir is higher due to hardness, it is difficult to it deforms, it is higher and have curvature with roughness
Workpiece test face contact when, couple state is poor.
Summary of the invention
To solve the deficiencies in the prior art, the present invention devises a kind of ultrasonic wave residual stress test surface positioning coupling dress
It sets.
The technical scheme is that a kind of ultrasonic wave residual stress test surface positions coupling device, characterized in that should
Device includes organic glass wedge block, energy converter fixing screwed hole, positions lens barrel, glue film bag, water flow pipes and mini flume, described to have
Machine glass voussoir mounting ultrasonic energy converter or ultrasonic transmission/reception probe, the threaded hole lower section are led directly under organic glass voussoir
Surface, positioning lens barrel are located among glass voussoir, and glue film bag and energy converter fixing screwed hole are seamlessly connected.
Further, water flow pipes setting water flow pressure sensor and micro pump, micro pump are connect with mini flume.
Further, positioning lens barrel is high transparency lens barrel, and positioning lens barrel and test point contact side are formed with cross graduation mark.
The invention is realized in this way glass voussoir plays the role of mounting ultrasonic energy converter, the setting of glass voussoir middle section is fixed
Position lens barrel, positioning lens barrel are high transparency lens barrel, and high transparency lens barrel and the side for testing point contact are formed with cross graduation mark, pass through sight
The about position that glass voussoir is fixed on required stress test by positioning lens barrel is examined, organic glass is adjusted according to the cross hairs in lens barrel
Glass voussoir makes the middle position of cross hairs and the middle position alignment of test point, and the two lines of cross hairs is made to distinguish test point
Two lines be overlapped, achieve the purpose that accurate positionin.
Further, by ultrasonic transmission/reception probe assembly before energy converter threaded hole, glue film bag is not infused below threaded hole
Enter water.Water is injected if before assembly probe, the pipeline of water pump is not closed, and it is easy to cause water flow to overflow, and it is screwed into transducing
Pump tube can guarantee to close after device, and water flow is avoided to overflow, after ultrasonic probe assembly, by adjusting micro pump control
The water (flow) direction of mini flume processed and water flow pipes stops adjustment when the registration of water flow pressure sensor is identical as calibration registration
Micro pump.
Further, glue film bag soft can deform, and higher or test surfaces with curvature may be implemented with roughness
Good coupling reduces since contact surface roughness is big, with the influence that couple state caused by curvature test surfaces is poor.
Beneficial effects of the present invention: the present invention changes existing ultrasonic wave residual stress test surface coupling device
Into, on the one hand, it quick, simple, flexible can position the position for needing stress test, and the direction of proof stress test and material
Expect that the direction of rolling is parallel or vertical；On the other hand, glue film band soft can deform, higher or with curvature with roughness
Test surfaces good coupling may be implemented, reduce since contact surface roughness is big, with coupling shape caused by curvature test surfaces
The poor influence of state, improves the measuring accuracy of ultrasonic wave residual stress, while avoiding and processing organic glass according to different curvature value
Glass voussoir bring higher cost and production efficiency reduce, and realize that single device can be tested with multiple curvature.
Detailed description of the invention
Fig. 1 is invention overall structure diagram；
Fig. 2 is glue film bag portion separation structure schematic top plan view of the present invention；
Fig. 3 is glue film bag portion separation structure left view schematic diagram of the present invention；
Fig. 4 be the present invention to testing of materials when the distribution map of residual stress test point chosen；
Fig. 5 be the present invention to testing of materials when position schematic diagram.
Specific embodiment
Further explanation is done to the present invention with reference to the accompanying drawing.
As shown in Figures 1 to 5, a specific embodiment of the invention be include organic glass wedge block 1, energy converter fixed thread
Hole 2, positioning lens barrel 3, glue film bag 4, water flow pipes 5 and mini flume 8,1 mounting ultrasonic energy converter of organic glass voussoir or super
Sound wave transmitting-receiving is popped one's head in, and 1 lower surface of organic glass voussoir is led directly to below energy converter fixing screwed hole 2, and positioning lens barrel 3 is located at glass wedge
Among block 1, glue film bag 4 and energy converter fixing screwed hole 2 are seamlessly connected；Water flow pressure sensor 6 and miniature is arranged in water flow pipes 5
Water pump 7, micro pump 7 are connect with mini flume 8.
Before test, need to carry out stress test according to the specific works situation of workpiece, unique characteristics and production requirement determination
Position, arrange coordinate points.When testing the stress of the parallel bead direction of test point 1, according to cross hairs 9 in lens barrel
Position adjusts organic glass voussoir 1, is overlapped the cross hairs center of lens barrel cross hairs 9 and test point coordinate point, and and coordinate
The intersecting lens of point cross hairs is overlapped, by the step for can accurately position and need the coordinate position of stress test, guarantee super
The direction of Acoustic Wave Propagation and the direction of stress test are parallel, prevent test point position inaccuracy and ultrasonic direction of wave travel and stress
The direction of test is not parallel and brings biggish error using the Stress Constants K and zero stress block spread speed of mistake.
By ultrasonic probe assembly before energy converter threaded hole, glue film bag is not injected into water below threaded hole, if filling
With water is just injected before probe, the pipeline of water pump is not closed, and water flow is easy to cause to overflow, and is screwed into pump tube energy after energy converter
It is enough to guarantee closing, avoid water flow from overflowing, after ultrasonic probe assembly, by adjust micro pump control mini flume and
The water (flow) direction of water flow pipes adjusts micro pump 7, makes mini flume 8 with specific reference to the display numerical value of water flow pressure sensor 6
In water enter water flow pipes 5 or flow out to the water in water flow pipes 5 in mini flume 8, when the display of water flow pressure sensor 6
When numerical value is identical with display numerical value when calibration, stop adjusting micro pump 7, glue film bag 4 and test surfaces reach and mark at this time
Periodically consistent coupling pressure, coupling pressure inconsistent bring coupling error when so as to avoid due to test and calibration,
Improve measuring accuracy.
If the workpiece surface of test is the surface of the higher plane of roughness or test piece with certain song
Rate, glue film bag 4 soft can deforms, make glue film bag 4 and test surfaces good coupling, can 4 pairs of glue film bag of soft deformation with bent
The tests such as the pipeline of rate can be avoided with good coupling and be processed organic glass wedge block bring higher cost according to different curvature value
It is reduced with production efficiency, realizes that single device can be tested with multiple curvature.
Using effect of the invention can be verified and be illustrated by following tests:
Bullet train Aluminium Alloys in Common Use materials A 7N01S-T5 is chosen, 700*230 docks test plate (panel), arranges according to same distance
Residual stress test point.It does not use track ultrasonic wave residual stress test surface of the invention to position coupling device, holds and stablize
Mounting ultrasonic probe, directly tests test point 1-10 point residual stress, test result see the table below.
Ultrasonic wave residual stress test surface positioning coupling device is in the above way installed, by supersonic generator and is surpassed
The connection of sonic test system carries out residual stress test to 1-10 point, and the result of test see the table below.
Using the residual stress test result of the design relative to weld seam two sides almost symmetry, and the design device is not used
Remaining test result is poor relative to the symmetry of weld seam two sides, can guarantee test process coupling pressure using the design device
Consistency and with calibration when coupling pressure consistency, while it is also ensured that test stress direction and calibration stress it is normal
The consistency of ultrasonic propagation time under several and zero stress state is surveyed to avoid test mode and couple state inconsistency
Ultrasonic wave stress test caused by couple state otherness in direction and fixed setting inconsistency and test process is tried to miss
Difference, by the essential characteristic of welding residual stress it is found that the residual stress of weld seam two sides symmetric position also has preferable symmetry,
So relatively reliable using the stress result of ultrasonic wave residual stress test surface positioning coupling device test.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (3)
1. a kind of ultrasonic wave residual stress test surface position coupling device, characterized in that the device include organic glass wedge block,
Energy converter fixing screwed hole, positioning lens barrel, glue film bag, water flow pipes and mini flume, the organic glass voussoir mounting ultrasonic
Energy converter or ultrasonic transmission/reception probe, the threaded hole lower section lead directly to organic glass voussoir lower surface, and positioning lens barrel is located at glass
Among glass voussoir, the positioning lens barrel is high transparency lens barrel, and positioning lens barrel and test point contact side are formed with cross graduation mark；Glue
Film bag and energy converter fixing screwed hole are seamlessly connected, and water flow pipes are arranged water flow pressure sensor and micro pump, micro pump with
Mini flume connection, adjustment micro pump can control the water (flow) direction of mini flume and water flow pipes, work as water flow pressure sensor
Registration with calibration registration be mutually simultaneously stopped adjustment micro pump.
2. a kind of ultrasonic wave residual stress test surface according to claim 1 positions coupling device, characterized in that will surpass
Sound wave transmitting-receiving probe is assemblied in front of energy converter threaded hole, and glue film bag is not injected into water below threaded hole.
3. a kind of ultrasonic wave residual stress test surface according to claim 1 positions coupling device, characterized in that glue film
Bag soft can deform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610510750.2A CN105910742B (en) | 2016-07-01 | 2016-07-01 | A kind of ultrasonic wave residual stress test surface positions coupling device |
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| CN201610510750.2A CN105910742B (en) | 2016-07-01 | 2016-07-01 | A kind of ultrasonic wave residual stress test surface positions coupling device |
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| CN105910742A CN105910742A (en) | 2016-08-31 |
| CN105910742B true CN105910742B (en) | 2019-05-21 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106645432B (en) * | 2016-12-28 | 2018-06-01 | 中国水利水电科学研究院 | A kind of automatic coupling sonic test system and sonic test method |
| CN106679872B (en) * | 2017-01-25 | 2019-04-23 | 大连理工大学 | A kind of straight coupling makes the surface residual stress supersonic detection method of wave |
| CN108088915B (en) * | 2017-10-31 | 2021-01-08 | 中国大唐集团科学技术研究院有限公司火力发电技术研究所 | Nondestructive ultrasonic detection wedge block |
| CN108709933A (en) * | 2018-05-17 | 2018-10-26 | 马飞虎 | A kind of non-destructive detecting device for metal material production |
| CN109959477B (en) * | 2019-03-29 | 2021-02-19 | 华南理工大学 | Internal stress ultrasonic longitudinal wave detection method and system for GIS basin-type insulator epoxy test block |
| CN111678629B (en) | 2020-06-05 | 2021-10-22 | 北京理工大学 | Ultrasonic monitoring probe for internal service stress of ocean structural member |
| CN111811708A (en) * | 2020-07-23 | 2020-10-23 | 北京理工大学 | Mechanical component ultrasonic testing device and method based on magnetic fluid coupling |
| CN111811707B (en) * | 2020-07-23 | 2021-06-04 | 北京理工大学 | Rotating member ultrasonic testing device and method based on magnetic fluid coupling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889955A (en) * | 2012-10-10 | 2013-01-23 | 北京理工大学 | Simple clamping device for ultrasonic inspection of residual stress of steel rail |
| CN103323535A (en) * | 2012-03-20 | 2013-09-25 | 北京理工大学 | Ultrasonic detection device for residual stress on near surface of hole or cavity |
| CN103616102A (en) * | 2013-12-09 | 2014-03-05 | 北京理工大学 | Ultrasound leakage longitudinal wave sensing device for detecting residual stress distribution of sheet metal |
| CN104931167A (en) * | 2015-07-08 | 2015-09-23 | 四川广正科技有限公司 | Fixed line feed apparatus of ultrasonic probe in ultrasonic wave stress measurement system |
| CN105300578A (en) * | 2015-11-20 | 2016-02-03 | 西南交通大学 | Ultrasonic-wave stress detection device capable of adjusting acoustic beam angle and test area |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8181524B2 (en) * | 2008-12-26 | 2012-05-22 | Panasonic Corporation | Ultrasonic stress measurement method and device |
-
2016
- 2016-07-01 CN CN201610510750.2A patent/CN105910742B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323535A (en) * | 2012-03-20 | 2013-09-25 | 北京理工大学 | Ultrasonic detection device for residual stress on near surface of hole or cavity |
| CN102889955A (en) * | 2012-10-10 | 2013-01-23 | 北京理工大学 | Simple clamping device for ultrasonic inspection of residual stress of steel rail |
| CN103616102A (en) * | 2013-12-09 | 2014-03-05 | 北京理工大学 | Ultrasound leakage longitudinal wave sensing device for detecting residual stress distribution of sheet metal |
| CN104931167A (en) * | 2015-07-08 | 2015-09-23 | 四川广正科技有限公司 | Fixed line feed apparatus of ultrasonic probe in ultrasonic wave stress measurement system |
| CN105300578A (en) * | 2015-11-20 | 2016-02-03 | 西南交通大学 | Ultrasonic-wave stress detection device capable of adjusting acoustic beam angle and test area |
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| CN105910742A (en) | 2016-08-31 |
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