CN105973732A - Temperature vibration fatigue test on-line loading device and method thereof - Google Patents
Temperature vibration fatigue test on-line loading device and method thereof Download PDFInfo
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- CN105973732A CN105973732A CN201510920769.XA CN201510920769A CN105973732A CN 105973732 A CN105973732 A CN 105973732A CN 201510920769 A CN201510920769 A CN 201510920769A CN 105973732 A CN105973732 A CN 105973732A
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Abstract
The invention discloses a temperature vibration fatigue test on-line loading device and a method thereof. The device comprises a temperature case, an impedance head, a vibration rod, a vibration device, and a measurement and control system; the temperature case is connected with the measurement and control system, the glass windows are arranged at the periphery of a pre-set height of the temperature case; the impedance head is fixed on the surface of a test piece in the temperature case, at the same time, a first end of the vibration rod is connected with the measurement and control system; the first end of the vibration rod passes through a hole above the side wall of the temperature case and is connected with the impedance head, a second end is connected with the vibration device; the vibration device is arranged at one side of the temperature case with the hole, and is connected with the measurement and control system. The technical problem that a X-ray tomography device can not realize high/low temperature vibration environment applying during an on-line observation process, so that the vibration fatigue damage mechanism of the material under high/low temperature is revealed.
Description
Technical field
The present invention relates to vibration fatigue test field, be specifically related to the on-line loaded device and method of a kind of temperature disturbance fatigue test.
Background technology
In many fields such as Aero-Space, transportation, parts need to bear harsh mechanical environment.Such as, aerospace flight vehicle surface high-temperature vibrating to be born environment, high ferro train low temperature shock the to be born environment of extremely frigid zones.Material, under these harsh high/low temperature vibration environments, is faced with the risk occurring vibrating fatigue to destroy.Although the reliability test reliability with verification component can be carried out by traditional temperature disturbance proof box at present, but it is difficult to disclose the failure mechanism of material from microcosmic.Understand the microcosmic mechanism that material lost efficacy under these circumstances, be on the one hand conducive to, from manufacturing and being improved processing technique, being on the other hand conducive to the Accurate Prediction of fatigue life, such that it is able to preferably carry out the raising of structure optimization and structural reliability.Traditional microcosmic failure mechanism is mainly observed by postmortem analysis or surface in situ: although postmortem analysis may determine that the approximate region of crack initiation and propagation on fracture, cannot dynamically reproduce the process of damage development；And surface in situ observation can only observe the cracks can spread on testpieces surface.
In recent years, x-ray tomography device is becoming widely adopted in the research of material science, and it can realize material internal is carried out 3D Non-Destructive Testing.By means of in-situ test device, can be while carrying out dynamic environmental test, utilize x-ray tomography device to realize the online observation to material internal damage development process, from three dimensions, disclose the process of crack initiation and propagation, thus disclose the microcosmic mechanism of material damage.But, although China has built up three generations's Synchrotron Radiation (first generation: Beijing Synchrotron Radiation Facility the most in succession；The second filial generation: NSRL (Hefei)；The third generation: SSRF), but the in-situ test device that can be used for the on-line loaded material damage evolution of synchrotron radiation imaging line station is very few.In the world, these in-situ test device are the most all to be invented manufacture by the line scientific research personnel being engaged in correlational study.But, so far, also there is no a set of online observation device of vibration fatigue test under on-line loaded high/low temperature environment.
Summary of the invention
Realizing, owing to there is presently no, the technical barrier that high/low temperature vibration environment applies during test battery device can solve x-ray tomography device online observation, the present invention proposes the on-line loaded device and method of a kind of temperature disturbance fatigue test.
First aspect, the present invention proposes the on-line loaded device of a kind of temperature disturbance fatigue test, including: sweat box, reluctance head, exciting rod, vibrator and TT&C system；
Described sweat box is connected with described TT&C system, for the control instruction according to described TT&C system, regulation temperature within sweat box, and it is formed around glass window at the preset height of described sweat box, so that X-ray penetrates sweat box and is scanned testpieces, described sweat box is divided into two parts by described glass window；
Described reluctance head is fixed on the testpieces surface within sweat box, it is connected with the first end and the described TT&C system of described exciting rod simultaneously, for experiment with measuring part acceleration in process of the test and power, and the measurement data of described acceleration and power is fed back to described TT&C system；
First end of described exciting rod is connected through the hole above described sweat box sidewall with described reluctance head, and the second end is connected with described vibrator；
The side that described sweat box is with holes is located at by described vibrator, is connected with described TT&C system, produces vibration for the control instruction according to described TT&C system.
Preferably, also include: lifting platform；
Described lifting platform is connected with described TT&C system, instructs for the control according to described TT&C system, the height of regulation testpieces；
Described sweat box is fixed on described lifting platform upper surface.
Preferably, also include: support；
Described is set up in below described vibrator, is used for supporting described vibrator.
Preferably, also include: fixture；
Described fixture is fixed on the lower surface within described sweat box, for fixation test part.
Preferably, described exciting rod is divided into two sections, and described two sections of exciting rods pass through nut in sweat box external connection.
Preferably, described sweat box is cylindrical.
Preferably, the hole above described sweat box sidewall is provided with heat-insulating and sealing plug, and described exciting rod is arranged in described heat-insulating and sealing plug.
Preferably, described TT&C system includes that lifting platform controls subsystem, sweat box regulon system and vibrator and controls subsystem；
Described lifting platform controls subsystem and is used for controlling described lifting platform；
Described sweat box regulon system is used for controlling described sweat box；
Described vibrator controls subsystem and is used for controlling described vibrator.
Second aspect, the present invention also proposes a kind of on-line loaded method of temperature disturbance fatigue test, including:
TT&C system controls vibrator and sweat box starts, and carries out temperature disturbance fatigue test；
After Preset Time, TT&C system controls vibrator and quits work, and disconnects the connection of two sections of exciting rods, so that described sweat box rotates along vertical axial；
X-ray is worn the glass window penetrating sweat box and the testpieces following the rotation of described sweat box is carried out tomoscan, so that detector receives tomoscan result.
Preferably, before described TT&C system controls vibrator and sweat box startup, also include:
Being fixed in the fixture within sweat box by test block, TT&C system controls lifting platform and lifts, so that test block flushes with the height of the glass window of sweat box..
As shown from the above technical solution, the present invention uses the on-line loaded apparatus and method of the temperature disturbance fatigue test of vibrator and sweat box, the technical barrier that high/low temperature vibration environment applies cannot be realized during solving x-ray tomography device online observation, thus disclose optimization and the raising of reliability of material vibrating fatigue micromechanism of damage under high/low temperature environment, the beneficially field structure such as Aero-Space, transportation.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these figures.
The structural representation of the on-line loaded device of a kind of temperature disturbance fatigue test that Fig. 1 provides for one embodiment of the invention；
A kind of sweat box internal structure schematic diagram that Fig. 2 provides for one embodiment of the invention；
The connection diagram of a kind of TT&C system that Fig. 3 provides for one embodiment of the invention；
The structural scheme of mechanism of a kind of testpieces that Fig. 4 provides for one embodiment of the invention；
The schematic flow sheet of the on-line loaded method of a kind of temperature disturbance fatigue test that Fig. 5 provides for one embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the detailed description of the invention of invention is further described.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
Fig. 1 shows the structural representation of the on-line loaded device of a kind of temperature disturbance fatigue test that the present embodiment provides；Including: sweat box 1, reluctance head, exciting rod 14, vibrator 13 and TT&C system；
Described sweat box 1 is connected with described TT&C system, for the control instruction according to described TT&C system, regulation temperature within sweat box 1, and it is formed around glass window at the preset height of described sweat box 1, so that X-ray penetrates sweat box 1 and is scanned testpieces, described sweat box 1 is divided into two parts by described glass window；
Described reluctance head is fixed on the testpieces surface within sweat box 1, it is connected with the first end and the described TT&C system of described exciting rod 14 simultaneously, for experiment with measuring part acceleration in process of the test and power, and the measurement data of described acceleration and power is fed back to described TT&C system；
First end of described exciting rod 14 is connected through the hole above described sweat box sidewall with described reluctance head, and the second end is connected with described vibrator 13；
The side that described sweat box 1 is with holes is located at by described vibrator 13, is connected with described TT&C system, produces vibration for the control instruction according to described TT&C system.
Wherein, sweat box uses the high/low temperature sweat box of repacking, it is achieved from the change of-80 DEG C to 1500 DEG C, and during high temperature, (room temperature-1500 DEG C) uses hot environment proof box, and during low temperature, (-80 DEG C-room temperature) use low temperature environment proof box；Using double-deck safety glass to make 360 ° of cincture projection windows, passing for X-ray in the middle part of sweat box, intensity is also beneficial to completely cut off the transmission of temperature to use double-deck safety glass both to can ensure that；Above sweat box, leave a hole vertically, for through exciting rod, and be furnished with due to vibrator and can regulate the base of height, therefore can meet the requirement of different size testpieces.
The present embodiment uses the on-line loaded apparatus and method of the temperature disturbance fatigue test of vibrator and sweat box, the technical barrier that high/low temperature vibration environment applies cannot be realized during solving x-ray tomography device online observation, thus disclose optimization and the raising of reliability of material vibrating fatigue micromechanism of damage under high/low temperature environment, the beneficially field structure such as Aero-Space, transportation.
As the preferred version of the present embodiment, as in Figure 2-4, also include: lifting platform 8；
Described lifting platform 8 is connected with described TT&C system, instructs for the control according to described TT&C system, the height of regulation testpieces 6；
Described sweat box 1 is fixed on the upper surface of described lifting platform 8.
Lifting platform 8 uses Serve Motor Control, is installed on the bottom of proof box, for regulating the height of testpieces 6.
Further, also include: support 16；
Described support 16 is located at below described vibrator 13, is used for supporting described vibrator 13.
The small-sized vibrator of different size can be selected according to actual needs, and be installed on ground by exciter support；The support of vibrator can realize the movement of six-freedom degree up and down all around, in order to adjusting the position of vibrator, vibrator base is provided with locking device, in order to ensures stablizing of vibrator in loading procedure.
Further, also include: fixture 7；
Described fixture 7 is fixed on the lower surface within described sweat box 1, for fixation test part 6.
Various sizes of testpieces can be fixed on fixture, and carry out liter general who has surrendered's testpieces by lifting platform and be adjusted to suitable height.
Specifically, described exciting rod is divided into two sections, and described two sections of exciting rods pass through nut in sweat box external connection.
Exciting rod is divided into two sections, and two sections are connected outside sweat box hole by special nut 15, and the exciting rod 11 in case is connected with reluctance head 10, and the exciting rod 14 outside case is connected with vibrator 13；Can be implemented in the case of not unpacking, the outer vibrator of case and the connection loading attachment means in case and separate, solve owing to vibrator and testpieces connect the problem causing testpieces can not rotate in tomographic scanning procedure.
Further, described sweat box is cylindrical.
Sweat box is designed as cylinder, in order to rotate in x-ray tomography process, and do not affect X-ray penetrates effect.
Further, the hole above described sweat box sidewall is provided with heat-insulating and sealing plug, and described exciting rod is arranged in described heat-insulating and sealing plug.
Use special heat-insulating and sealing plug, to reduce the temperature transfer between sweat box and the external world.
Specifically, described TT&C system includes that lifting platform controls subsystem 17, sweat box regulon system 18 and vibrator and controls subsystem；
Described lifting platform controls subsystem 17 and is used for controlling described lifting platform 8；
Described sweat box regulon system 18 is used for controlling described sweat box 1；
Described vibrator controls subsystem and is used for controlling described vibrator 13.
Further, as in figure 2 it is shown, vibrator control system includes controller 19 and power amplifier 20, described controller 19 is connected with reluctance head 10 and power amplifier 20 simultaneously.
Further；Also include detector 5；
Described detector 5 is located at the offside of the X-ray incidence side of described sweat box, for receiving the X-ray tomoscan result to testpieces.
When being embodied as: as shown in Figure 1, 2, cylindrical proof box 1 being arranged on the rotation platform 2 of x-ray tomography device, X-ray 3 can be by 360 ° of double-deck tempering glass windows 4 around proof box, and the X-ray passed is received by detector 5.In the inside of sweat box 1, the bottom of testpieces 6 is arranged on lifting platform 8 by fixture 7, and the height of regulation lifting platform 8 is so that X-ray 3 passes observation area 9 through safety glass window 4；Reluctance head 10 1 sections is arranged on the top of testpieces 6 by splicing, and the other end is connected with the outside exciting rod 14 being connected vibrator 13 through gap slot 12 by internal exciting rod 11；Vibrator 13 applies oscillating load by internal exciting rod 11 and outside exciting rod 14, internal exciting rod 11 and outside exciting rod 14 special attachment means (special nut) 15 link together, and the height of vibrator 13 can be regulated by support 16；In process of the test, it is to be ensured that the center of vibrator 13, reluctance head 10 are completely on same level height, in order to the power of vibrator 13 can correctly be delivered to testpieces 6；The surrounding of gap slot 12 seals with special heat-insulating and sealing material, reduces the temperature transfer between proof box 1 and the external world as far as possible.
As it is shown on figure 3, the servo control mechanism of lifting platform 8 is controlled by lifting platform control system 17, the temperature of temperature test chamber 1 is regulated by humidity control system 18；The data feedback of reluctance head 10 controls vibrator 13 to controller 19, controller 19 by power amplifier 20.As Fig. 4 shows a kind of typical testpieces schematic diagram, testpieces can be flat board can also be cylindrical, breach in observation area 9 can produce the stress of local and concentrate, therefore crackle will germinate in this region and extend, such that it is able to utilize x-ray tomography device to observe the process of damage development.
Fig. 5 shows the on-line loaded method of a kind of temperature disturbance fatigue test that the present embodiment provides, including:
S1, TT&C system control vibrator and sweat box starts, and carry out temperature disturbance fatigue test；
S2, after Preset Time, TT&C system control vibrator quit work, disconnect two sections of exciting rods connection so that described sweat box along vertical axial rotate；
S3, X-ray are worn the glass window penetrating sweat box and the testpieces following the rotation of described sweat box are carried out tomoscan, so that detector receives tomoscan result.
The present embodiment uses the on-line loaded apparatus and method of the temperature disturbance fatigue test of vibrator and sweat box, the technical barrier that high/low temperature vibration environment applies cannot be realized during solving x-ray tomography device online observation, thus disclose optimization and the raising of reliability of material vibrating fatigue micromechanism of damage under high/low temperature environment, the beneficially field structure such as Aero-Space, transportation.
As the preferred version of the present embodiment, before described TT&C system controls vibrator and sweat box startup, also include:
Being fixed in the fixture within sweat box by test block, TT&C system controls lifting platform and lifts, so that test block flushes with the height of the glass window of sweat box.
When carrying out temperature disturbance fatigue test, certain cycle has been applied or after the time in vibration, suspend and load, disconnect special attachment means (special nut) 15, exciting rod 11 and 14 is made to separate, vibrator 13 is moved after utilizing support 16, thereby may be ensured that the proof box 1 rotation along vertical axial, at this moment can utilize x-ray tomography device that observation area 9 is observed, after this observation terminates, support 16 is utilized to move forward vibrator 13, re-use special attachment means (special nut) 15 and connect exciting rod 11 and 14, then vibrator 13 is utilized to continue to load until need cycle or the time of observation next time.By above flow process, it is possible to achieve in the different phase of vibrating fatigue loading procedure, utilize x-ray tomography device that the damage development process of material internal is observed.In addition it is also possible to the temperature in sweat box 1 is adjusted in process of the test the most simultaneously, in order to the microcosmic mechanism of fatigue damage under research variations in temperature and vibration this complex environment of common effect.
The device that the present embodiment provides aims at the design of x-ray tomography matched with devices, sweat box appearance design is cylindrical, and it is provided with 360 ° around double-deck safety glass projection window, proof strength and heat insulation in the case of, ensure passing of X-ray, it is possible to achieve the applying of the environment such as high/low temperature, vibration during x-ray tomography online observation.
In the description of the present invention, illustrate a large amount of detail.It is to be appreciated, however, that embodiments of the invention can be put into practice in the case of not having these details.In some instances, it is not shown specifically known method, structure and technology, in order to do not obscure the understanding of this description.
Claims (10)
1. the on-line loaded device of a temperature disturbance fatigue test, it is characterised in that including:
Sweat box, reluctance head, exciting rod, vibrator and TT&C system；
Described sweat box is connected with described TT&C system, for the control according to described TT&C system
Instruction, regulation temperature within sweat box, and be formed around at the preset height of described sweat box
Glass window, so that X-ray penetrates sweat box and is scanned testpieces；
Described reluctance head is fixed on the testpieces surface within sweat box, simultaneously with described exciting rod
The first end and described TT&C system connect, for the acceleration in process of the test of the experiment with measuring part
Degree and power, and the measurement data of described acceleration and power is fed back to described TT&C system；
First end of described exciting rod passes the hole above described sweat box sidewall and described impedance
Head connects, and the second end is connected with described vibrator；
The side that described sweat box is with holes is located at by described vibrator, is connected with described TT&C system,
Vibration is produced for the control instruction according to described TT&C system.
Device the most according to claim 1, it is characterised in that also include: lifting platform；
Described lifting platform is connected with described TT&C system, for referring to according to the control of described TT&C system
Order, the height of regulation testpieces；
Described sweat box is fixed on described lifting platform upper surface.
Device the most according to claim 2, it is characterised in that also include: support；
Described is set up in below described vibrator, is used for supporting described vibrator.
Device the most according to claim 3, it is characterised in that also include: fixture；
Described fixture is fixed on the lower surface within described sweat box, for fixation test part.
Device the most according to claim 4, it is characterised in that described exciting rod is divided into
Two sections, described two sections of exciting rods pass through nut in sweat box external connection.
Device the most according to claim 5, it is characterised in that described sweat box is circle
Cylindricality.
Device the most according to claim 6, it is characterised in that described sweat box sidewall
The hole of top is provided with heat-insulating and sealing plug, and described exciting rod is arranged in described heat-insulating and sealing plug
In.
Device the most according to claim 7, it is characterised in that described TT&C system bag
Include lifting platform and control subsystem, sweat box regulon system and vibrator control subsystem；
Described lifting platform controls subsystem and is used for controlling described lifting platform；
Described sweat box regulon system is used for controlling described sweat box；
Described vibrator controls subsystem and is used for controlling described vibrator.
9. the on-line loaded method of a temperature disturbance fatigue test, it is characterised in that including:
TT&C system controls vibrator and sweat box starts, and carries out temperature disturbance fatigue test；
After Preset Time, TT&C system controls vibrator and quits work, and disconnects two sections of excitings
The connection of bar, so that described sweat box rotates along vertical axial；
X-ray wears the glass window penetrating sweat box to following the testpieces that described sweat box rotates
Carry out tomoscan, so that detector receives tomoscan result.
Device the most according to claim 9, it is characterised in that described TT&C system control
Before vibrator processed and sweat box start, also include:
Being fixed in the fixture within sweat box by test block, TT&C system controls lifting platform and carries out
Lifting, so that test block flushes with the height of the glass window of sweat box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510920769.XA CN105973732A (en) | 2015-12-11 | 2015-12-11 | Temperature vibration fatigue test on-line loading device and method thereof |
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| CN201510920769.XA CN105973732A (en) | 2015-12-11 | 2015-12-11 | Temperature vibration fatigue test on-line loading device and method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202807A (en) * | 2017-04-10 | 2017-09-26 | 中国矿业大学(北京) | A kind of loading device based on neutron photography experimental bench |
| CN108716973A (en) * | 2018-03-07 | 2018-10-30 | 西北工业大学 | High-temperature vibrating fatigue experimental device and high-temperature vibrating fatigue test method |
| CN108871837A (en) * | 2018-09-18 | 2018-11-23 | 福州大学 | A kind of variable boundary high temperature modal test device and test method for slab construction |
| CN113865512A (en) * | 2021-12-02 | 2021-12-31 | 北京中天星控科技开发有限公司 | Contour scanning and measuring device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19601788C1 (en) * | 1996-01-19 | 1997-07-24 | Geesthacht Gkss Forschung | Contactless measurement device for high-temperature fracture parameters |
| CN101144785A (en) * | 2007-08-01 | 2008-03-19 | 华东理工大学 | High temperature fracture parameter test method and its device |
| WO2008083993A1 (en) * | 2007-01-12 | 2008-07-17 | Yxlon International X-Ray Gmbh | Method and apparatus for in-situ investigation of mechanically loaded test objects |
| CN104034600A (en) * | 2014-05-20 | 2014-09-10 | 北京航空航天大学 | Fatigue crack propagation experiment testing system under extremely high temperature environment |
| CN104535438A (en) * | 2014-12-31 | 2015-04-22 | 北京航空航天大学 | High-temperature high-low cycle complex fatigue crack propagation testing system and measuring method for test article |
-
2015
- 2015-12-11 CN CN201510920769.XA patent/CN105973732A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19601788C1 (en) * | 1996-01-19 | 1997-07-24 | Geesthacht Gkss Forschung | Contactless measurement device for high-temperature fracture parameters |
| WO2008083993A1 (en) * | 2007-01-12 | 2008-07-17 | Yxlon International X-Ray Gmbh | Method and apparatus for in-situ investigation of mechanically loaded test objects |
| CN101144785A (en) * | 2007-08-01 | 2008-03-19 | 华东理工大学 | High temperature fracture parameter test method and its device |
| CN104034600A (en) * | 2014-05-20 | 2014-09-10 | 北京航空航天大学 | Fatigue crack propagation experiment testing system under extremely high temperature environment |
| CN104535438A (en) * | 2014-12-31 | 2015-04-22 | 北京航空航天大学 | High-temperature high-low cycle complex fatigue crack propagation testing system and measuring method for test article |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202807A (en) * | 2017-04-10 | 2017-09-26 | 中国矿业大学(北京) | A kind of loading device based on neutron photography experimental bench |
| CN107202807B (en) * | 2017-04-10 | 2023-07-18 | 中国矿业大学(北京) | Loading device based on neutron photography experiment table |
| CN108716973A (en) * | 2018-03-07 | 2018-10-30 | 西北工业大学 | High-temperature vibrating fatigue experimental device and high-temperature vibrating fatigue test method |
| CN108871837A (en) * | 2018-09-18 | 2018-11-23 | 福州大学 | A kind of variable boundary high temperature modal test device and test method for slab construction |
| CN113865512A (en) * | 2021-12-02 | 2021-12-31 | 北京中天星控科技开发有限公司 | Contour scanning and measuring device and method |
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