CN205941199U - Three -dimensional defect reconsitution normal position test device - Google Patents
Three -dimensional defect reconsitution normal position test device Download PDFInfo
- Publication number
- CN205941199U CN205941199U CN201620665279.XU CN201620665279U CN205941199U CN 205941199 U CN205941199 U CN 205941199U CN 201620665279 U CN201620665279 U CN 201620665279U CN 205941199 U CN205941199 U CN 205941199U
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- China
- Prior art keywords
- crossbeam
- tailing axle
- frame structure
- frame construction
- test device
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- Withdrawn - After Issue
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Abstract
The utility model discloses a three -dimensional defect reconsitution normal position test device, including hollow frame construction and drive mechanism, frame construction's the left and right sides is the symmetrical baffle that is equipped with respectively, has left crossbeam and a right crossbeam through guide rail sliding connection between the baffle, still be equipped with between the baffle with the rotary screw that left side crossbeam and right crossbeam are connected, one side of frame construction be equipped with with rotary screw links to each other draws high the motor, being equipped with the tailing axle that has the synchronizing wheel respectively on left side crossbeam and the right crossbeam, being equipped with the load sensor who links to each other with the tailing axle on left crossbeam or the right crossbeam, be connected with the anchor clamps that are used for loading test piece on the tailing axle, frame construction's lower part is equipped with step motor, and frame construction's upper portion is equipped with the grating chi. The utility model discloses the device uses coordinately with X ray detecting instrument, can keep letting a test rotation under normal position, the loaded circumstances to the phenomenons such as germinating, extension route and spreading rate of material crazing line are surveyd on line in X ray transmission formation of image, realization.
Description
Technical field
This utility model is related to a kind of original position tension and compression for Minisize materials and fatigue experimental device, in particular, is
Be related to a kind of for the 3 D defects reconstruct in-situ test device to Minisize materials internal structure change and performance change research.
Background technology
In material science, the macro property of material is closely related with its microstructure.When material microstructure skewness
When even, the two-dimensional material characterization technique such as traditional metallurgical microscope or scanning electron microscope is difficult to provide complete material internal to believe
Breath.The relation of material microstructure and macro property can not accurately be set up, cannot Knowing material microstructure three-dimensional
The quantification information such as quantity, volume fraction and distribution.
Stretching-machine common at present and fatigue machine, are one end start, and that is, under circulating outer load effect, one end is fixed, another
End imposed load is it is impossible to the center of holding test block is constant.Simultaneously it is impossible to meet low Zhou Yugao week test requirements document, to test specimen
When carrying out low-cycle fatigue loading after carrying out high-cycle fatigue test or pre- fatigue loading (high frequency loading pre-existing crack) again, examination need to be changed
Check system and again clamping test specimen, it is impossible to ensure the concordance of test position, are not in site measurements truly.
Device for X-Ray detector reconstituted material 3-D view is it is necessary to test block can be made around its own central shaft 360
Degree rotation.Device traditional at present cannot be realized observing material three-dimensional structure function in situ, under load condition.
Utility model content
The purpose of this utility model is to overcome deficiency of the prior art, providing one kind to have bi-directional symmetrical start work(
The 3 D defects reconstruct in-situ test device of energy loads at test block two ends simultaneously, makes the center of test specimen keep constant.
Meanwhile, meet low Zhou Yugao week test requirements document.Realize in site measurement truly.This device is combined with X ray detector
Use, can keep in situ, load in the case of allow test block rotation so that X-ray transmission imaging, realize online observation material
The phenomenons such as the germinating of micro-crack, extensions path and spreading rate.
The purpose of this utility model is achieved through the following technical solutions：
3 D defects reconstruct in-situ test device, the frame structure including hollow and drive mechanism, described frame structure
The left and right sides is symmetrical respectively to be provided with baffle plate, is connected with left crossbeam and right crossbeam, institute by slide between described baffle plate
State and between baffle plate, be additionally provided with the rotating threaded shaft being connected with described left crossbeam and right crossbeam, the two ends of described rotating threaded shaft are provided with instead
To screw thread, the side of described frame structure is provided with draws high motor with described rotating threaded shaft is connected；Described left crossbeam and the right side
Tailing axle with synchronizing wheel is respectively equipped with crossbeam, left crossbeam or right crossbeam are provided with the load sensing being connected with described tailing axle
Device, described tailing axle is connected with the fixture for loading test block, and the bottom of described frame structure is provided with motor, described step
Stepper motor is connected with each other with described synchronizing wheel by drive mechanism, and the top of described frame structure is provided with grating scale.
Described drive mechanism is made up of synchronizing shaft, drive and intermeshing travelling gear, and described drive is provided with
The Timing Belt being connected with described synchronizing wheel.
Described fixture is made up of chuck and folder lid, is provided with the connecting hole for wearing described tailing axle, folder in the middle part of described chuck
The both sides of head are provided with the screwed hole for fastening, and described folder covers and is provided with least four through holes.
Compared with prior art, the beneficial effect that the technical solution of the utility model is brought is：
This utility model assay device need not damage material, without unloading pressure, meet low Zhou Yugao week test requirements document,
Achieve in site measurement truly, can online observation to the germinating of material micro-crack, extensions path and spreading rate etc.
Phenomenon.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the connection status schematic diagram of tailing axle and fixture.
Fig. 3 is the structural representation of tailing axle.
Fig. 4 is the structural representation of fixture.
Reference：The left crossbeam 4- of 1- frame structure 2- baffle plate 3- right crossbeam 5- guide rail 6- rotating threaded shaft 7- tailing axle
8- draws high motor 9- synchronizing wheel 10- fixture 11- load transducer 12- grating scale 13- motor 14- synchronizing shaft
15- drive 16- chuck 17- folder lid 18- connecting hole 19- screwed hole
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings：
As shown in Figures 1 to 4,3 D defects reconstruct in-situ test device, the frame structure 1 including hollow and driver
Structure, frame structure 1 adopts hollow structure, facilitates X-ray to pass through.The left and right sides of frame structure 1 is symmetrical respectively to be provided with gear
Plate 2, slidably connects left crossbeam 3 and right crossbeam 4 by guide rail 5 between baffle plate 2, is additionally provided with and left crossbeam 3 and the right side between baffle plate 2
The rotating threaded shaft 6 that crossbeam 4 is connected, the two ends of rotating threaded shaft 6 are provided with reverse screw thread, and the side of frame structure 1 is provided with and revolves
Turn that leading screw 6 is connected draws high motor 8, and stretching motor 8 drives the rotary screw 6 that there is reverse thread at two ends to rotate, and then makes
Left crossbeam 3, right crossbeam 4 simultaneously closer or far from, realize asymmetrical load it is ensured that load when center constant.
Tailing axle 7 is respectively equipped with left crossbeam 3 and right crossbeam 4, tailing axle 7 is provided with synchronizing wheel 9, left crossbeam 3 in the present embodiment
It is provided with the load transducer 11 being connected with tailing axle 7, tailing axle 7 is connected with the fixture 10 for loading test block；The present embodiment
Middle fixture 10 is made up of chuck 16 and folder lid 17, and the middle part of chuck 16 is provided with the connecting hole 18 for wearing tailing axle 7, chuck 16
Both sides are provided with the screwed hole 19 for fastening, and folder lid 17 is provided with four through holes.
The top of frame structure 1 is provided with grating scale 12, and the bottom of frame structure 1 is provided with motor 13, motor 13
It is connected with each other with synchronizing wheel 9 by drive mechanism, drive mechanism is by synchronizing shaft 14, drive 15 and intermeshing travelling gear
Constitute, drive 15 is provided with the Timing Belt being connected with synchronizing wheel 9.Motor 13 drives synchronizing shaft 14 to revolve by decelerator
Turn, then pass through travelling gear, drive, toothed belt transmission, so that left and right sides tailing axle 7 is rotated, and then make the synchronous rotation of chuck 16
Turn, allow test block to rotate while loading, for X-Ray transmission imaging.Load transducer 11 is Tensile or Compressive Loading sensor, can
So that the size of power to be input to testing machine controller.High-precision grating scale 12 can accurately measure the deformation of test block.Chuck
16 are threadeded by screwed hole 19 with tailing axle 7, copline prevent mechanical displacement at adjustable clamp two ends.
When this utility model device is used in combination with X ray detector, is clamped with fixture and incite somebody to action this after Minisize materials test block
Utility model assay device is put in X-Ray detector, by host computer, test parameterss and stoppage protection parameter is sent to control
Device, is responsible for monitoring, the protection of process of the test by controller after beginning to be tested, host computer is responsible for display test data, picture in real time
Figure and storage file.
Claims (3)
1. 3 D defects reconstruct in-situ test device it is characterised in that including frame structure and the drive mechanism of hollow, described frame
The left and right sides of frame structure is symmetrical respectively to be provided with baffle plate, is connected with left crossbeam and the right side by slide between described baffle plate
Crossbeam, is additionally provided with the rotating threaded shaft being connected with described left crossbeam and right crossbeam between described baffle plate, and the two of described rotating threaded shaft
End is provided with reverse screw thread, and the side of described frame structure is provided with draws high motor with described rotating threaded shaft is connected；A described left side
Tailing axle with synchronizing wheel is respectively equipped with crossbeam and right crossbeam, left crossbeam or right crossbeam are provided with the load being connected with described tailing axle
Lotus sensor, described tailing axle is connected with the fixture for loading test block, and the bottom of described frame structure is provided with motor,
Described motor is connected with each other with described synchronizing wheel by drive mechanism, and the top of described frame structure is provided with grating scale.
2. 3 D defects reconstruct in-situ test device it is characterised in that described drive mechanism is by synchronization according to claim 1
Axle, drive and intermeshing travelling gear are constituted, and described drive is provided with the Timing Belt being connected with described synchronizing wheel.
3. 3 D defects reconstruct in-situ test device it is characterised in that described fixture is by chuck and folder according to claim 1
Lid is constituted, and is provided with the connecting hole for wearing described tailing axle in the middle part of described chuck, and the both sides of chuck are provided with the screw thread for fastening
Hole, described folder covers and is provided with least four through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665279.XU CN205941199U (en) | 2016-06-24 | 2016-06-24 | Three -dimensional defect reconsitution normal position test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620665279.XU CN205941199U (en) | 2016-06-24 | 2016-06-24 | Three -dimensional defect reconsitution normal position test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205941199U true CN205941199U (en) | 2017-02-08 |
Family
ID=57930092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620665279.XU Withdrawn - After Issue CN205941199U (en) | 2016-06-24 | 2016-06-24 | Three -dimensional defect reconsitution normal position test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205941199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018089A (en) * | 2016-06-24 | 2016-10-12 | 天津大学 | In-situ test device for three-dimensional defect reconstruction |
| CN107228738A (en) * | 2017-07-17 | 2017-10-03 | 大连理工大学 | A kind of tension and compression experiment device in situ demarcated for X-ray stress test |
-
2016
- 2016-06-24 CN CN201620665279.XU patent/CN205941199U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018089A (en) * | 2016-06-24 | 2016-10-12 | 天津大学 | In-situ test device for three-dimensional defect reconstruction |
| CN106018089B (en) * | 2016-06-24 | 2019-10-25 | 天津大学 | 3 D defects reconstruct in-situ test device |
| CN107228738A (en) * | 2017-07-17 | 2017-10-03 | 大连理工大学 | A kind of tension and compression experiment device in situ demarcated for X-ray stress test |
| CN107228738B (en) * | 2017-07-17 | 2019-09-17 | 大连理工大学 | A kind of tension and compression experiment device in situ for the calibration of X-ray stress test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20191025 |
|
| AV01 | Patent right actively abandoned |