CN204027924U - The acoustic emission probe erecting device of cube rock sample uniaxial loading experiment - Google Patents
The acoustic emission probe erecting device of cube rock sample uniaxial loading experiment Download PDFInfo
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- CN204027924U CN204027924U CN201420368939.9U CN201420368939U CN204027924U CN 204027924 U CN204027924 U CN 204027924U CN 201420368939 U CN201420368939 U CN 201420368939U CN 204027924 U CN204027924 U CN 204027924U
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- acoustic emission
- emission probe
- rock sample
- slip ring
- cube rock
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Abstract
The utility model discloses the acoustic emission probe erecting device of a kind of cube rock sample uniaxial loading experiment, it is overall in the rectangular parallelepiped framed structure that all around four sides is opened wide, inside is cavity, the upper and lower faces of rectangular parallelepiped framework is respectively upper and lower pressing plate, and the quantity of column is four; During experiment, cube rock sample is placed in described rectangular parallelepiped lower portion cavity; Differing heights position on column in former and later two planes of described rectangular parallelepiped framework has been horizontally disposed with some crossbeams respectively, every root crossbeam is also respectively installed with the second slip ring and outer sleeve, in acoustic emission probe is placed on, probe wire is drawn from the strip notch on outer sleeve.It is simple that the utility model has structure, and the flexible and beneficial effect such as easy and simple to handle of acoustic emission probe accurate positioning, position adjustments, can meet the requirement of the cube rock sample uniaxial loading experiment under acoustic emission condition.
Description
Technical field
The utility model relates to a kind of cube rock sample uniaxial loading experimental provision, particularly relates to the acoustic emission probe erecting device of a kind of cube rock sample uniaxial loading experiment.
Background technology
Acoustic emission device is a kind of device detecting internal rupture information in rock loading procedure more advanced at present, its elastic wave utilizing rock fracture to expand to send is to detect internal rupture information in rock loading procedure, and it is easy and simple to handle, testing result is true, reliable.But in experimentation, acoustic emission probe must be connected to surface of test piece and just can effectively detect by acoustic emission device.
But, existing cube rock sample uniaxial loading experimental provision only includes upper and lower two block pressur plates, during experiment, cube rock sample is placed between upper and lower pressing plate, and the uniaxial loading of cube rock sample is carried out upper and lower pressing plate pressurization respectively by upper and lower two pressure heads.
Owing to there is no suitable acoustic emission probe erecting device, in practical operation, the technological means that someone attempted indirect bondings such as tying up, adhesive tape glues attempts to be fitted in surface of test piece by stable for acoustic emission probe, but result is very undesirable, the balance and stability of degree of precision needed for acoustic emission probe cannot be kept, more cannot experimentally need to carry out position adjustments or movement in good time.And due to experiment time acoustic emission probe surface smear have couplant, acoustic emission probe directly can not be bonded in surface of test piece.
In a word, due to structural reason, the cube rock sample uniaxial loading experimental provision of prior art cannot effective fixed sound transmitting probe, cannot carry out the cube rock sample uniaxial loading experiment under acoustic emission condition.
Utility model content
The purpose of this utility model is, the acoustic emission probe erecting device that a kind of cube rock sample uniaxial loading is tested is provided, its structure is simple, and acoustic emission probe accurate positioning, position adjustments flexibly, can meet the requirement of the cube rock sample uniaxial loading experiment under acoustic emission condition.
The technical scheme that the utility model is adopted for achieving the above object is, a kind of acoustic emission probe erecting device of cube rock sample uniaxial loading experiment, comprise top board and lower platen, it is characterized in that, also include column, crossbeam, the first slip ring, the second slip ring, outer sleeve and acoustic emission probe;
Described uniaxial loading cube rock sample apparatus for placing entirety is in the rectangular parallelepiped framed structure that all around four sides is opened wide, inside is cavity, and the upper and lower faces of described rectangular parallelepiped framework is respectively top board and lower platen, and the quantity of described column is four; During experiment, described cube rock sample is placed in described rectangular parallelepiped lower portion cavity;
Described crossbeam quantity is some, is horizontally set in former and later two planes of described rectangular parallelepiped framework respectively;
The two ends of described crossbeam are respectively arranged with the first slip ring, and are sleeved on the differing heights position on corresponding column by the first slip ring;
Every root crossbeam is also respectively installed with second slip ring, described second slip ring is provided with outer sleeve;
The sidewall of described outer sleeve is provided with strip notch, described acoustic emission probe is placed in described outer sleeve, and the wire of acoustic emission probe is drawn from described strip notch.
The technique effect that technique scheme is directly brought is, acoustic emission probe can effective location, and accurate positioning, the requirement of the cube rock sample uniaxial loading experiment under acoustic emission condition can be met.
As preferably, it is stupefied that the outer surface of above-mentioned column and crossbeam is provided with some jagged triangles.
The technique effect that this optimal technical scheme is directly brought is, the slip that jagged triangle is stupefied can effectively prevent the crossbeam being provided with acoustic emission probe from occurring on above-below direction.
Further preferably, the foot of above-mentioned column is provided with web joint, and described web joint is fixedly connected with described lower platen by screw.
The technique effect that this optimal technical scheme is directly brought is, is fixed on by column on lower platen, can ensure balance and the stability of whole device better.
Further preferably, to be provided with a jagged triangle stupefied for the inside surface of above-mentioned first slip ring and the second slip ring.
The technique effect that this optimal technical scheme is directly brought is, it is stupefied that the inside surface of the first slip ring and the second slip ring is provided with a jagged triangle, like this, can mutual clamping stupefied with the jagged triangle on column and crossbeam better, thus can effectively avoid maloperation or other unexpected stressed time, acoustic emission probe remains steady state (SS).
Further preferably, the bottom of above-mentioned outer sleeve is provided with bar blocks, and the top of described second slip ring offers strip groove;
Described bar blocks is mated with described strip groove size, and described bar blocks is inserted in described strip groove, is formed and slidably connects.
The technique effect that this optimal technical scheme is directly brought is, acoustic emission probe picks and places freely, easy and simple to handle; More crucially, arbitrarily can regulate the distance between acoustic emission probe and cube rock sample as required, thus guarantee the accuracy of experimental result.
Further preferably, the outboard end inwall of above-mentioned outer sleeve is provided with screw thread, after described acoustic emission probe puts into described outer sleeve, inserts spring, use bolt tightening again.
The technique effect that this optimal technical scheme is directly brought is, acoustic emission probe fixes more firm, more accurate positioning.
Further preferably, the both sides of above-mentioned bar blocks are evenly provided with some threaded holes, and the two side of described strip groove evenly offers some through holes; Described bar blocks is fixedly connected with described strip groove by bolt.
The technique effect that this optimal technical scheme is directly brought is, further ensures the precise degrees of firm degree that acoustic emission probe fixes and location, can effectively pre-anti-misoperation or other unexpected stressed time, any unexpected movement that acoustic emission probe may occur.
In sum, the utility model, relative to prior art, has structure simple, and the flexible and beneficial effect such as easy and simple to handle of acoustic emission probe accurate positioning, position adjustments, can meet the requirement of the cube rock sample uniaxial loading experiment under acoustic emission condition.
Accompanying drawing explanation
Fig. 1 is the utility model one-piece construction schematic diagram;
Fig. 2 is the annexation schematic diagram of column and pressing plate;
Fig. 3 is the structural representation of crossbeam;
Fig. 4 is the structural representation of the first slip ring;
Fig. 5 is the second slip ring and acoustic emission probe outer sleeve annexation schematic diagram;
Fig. 6 is the contour structures schematic diagram of acoustic emission probe;
Fig. 7 is cube rock sample and lower platen position relationship schematic diagram.
In figure: 1 lower platen, 2 columns, 3 crossbeams, 4 second slip rings, 5 outer sleeves, 6 rock samples, 7 web joints, 8 first slip rings, 9 screws, 10 top boards, 13 triangles are stupefied, 14 strip grooves, 15 bar blocks, 16 acoustic emission probes, 17 acoustic emission wires, 18 thick bar bolts, 19 springs, 21 screw threads, 22 strip notches, 23 through holes, 24 threaded holes, 25 rapier stud.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
In FIG, rock sample is long 200mm, wide 200mm, the cube of high 400mm.
As shown in Figure 1, Figure 7 shows, the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment of the present utility model, comprise top board 10 and lower platen 1, it also includes column 2, crossbeam 3, first slip ring 8, second slip ring 4, outer sleeve 5 and acoustic emission probe 16;
Uniaxial loading cube rock sample apparatus for placing entirety is in the rectangular parallelepiped framed structure that all around four sides is opened wide, inside is cavity, and the upper and lower faces of rectangular parallelepiped framework is respectively top board 10 and lower platen 1, and column 2 quantity is four; During experiment, described cube rock sample 6 is placed in rectangular parallelepiped lower portion cavity;
Crossbeam 3 quantity is some, is horizontally set in former and later two planes of described rectangular parallelepiped framework respectively;
The two ends of crossbeam 3 are respectively arranged with the first slip ring 8, and are sleeved on the differing heights position on corresponding column by the first slip ring 8;
Every root crossbeam 3 is also respectively installed with second slip ring 4, described second slip ring 4 is provided with outer sleeve 5;
As shown in Figure 5, Figure 6, the sidewall of above-mentioned outer sleeve 5 is provided with strip notch 22, acoustic emission probe is placed in outer sleeve 5, and the wire 17 of acoustic emission probe is drawn from strip notch 22.
As shown in Figure 1, the outer surface of column 2 and crossbeam 3 is provided with some jagged triangles stupefied (13).
As shown in Figure 2, the foot of column 2 is provided with web joint 7, and web joint 7 is fixedly connected with lower platen 1 by screw 9.
As shown in Figure 1, Figure 3, the inside surface of the first slip ring 8 and the second slip ring 4 is provided with a jagged triangle stupefied 13.
As shown in Figure 5, the bottom of outer sleeve 5 is provided with bar blocks 15, and the top of the second slip ring 4 offers strip groove 14;
Above-mentioned bar blocks 15 is mated with strip groove 14 size, and bar blocks 15 is inserted in strip groove 14, is formed and slidably connects.
As shown in Figure 4, Figure 5, the outboard end inwall of above-mentioned outer sleeve is provided with screw thread 21, after acoustic emission probe 16 puts into described outer sleeve 5, inserts spring 19, tighten with thick bar bolt 18 again.
The both sides of above-mentioned bar blocks 15 are evenly provided with some threaded holes 24, the two side of strip groove 14 evenly offer some through holes 23;
Bar blocks 15 is fixedly connected with strip groove 14 by rapier stud 25.Illustrate: the spacing at least needing to keep 5cm between cube rock sample 6 and web joint 7, interference may be formed to the acoustic emission signal collection of cube rock sample to avoid acoustic emission probe erecting device.
Claims (7)
1. the acoustic emission probe erecting device of a cube rock sample uniaxial loading experiment, comprise top board (10) and lower platen (1), it is characterized in that, also include column (2), crossbeam (3), the first slip ring (8), the second slip ring (4), outer sleeve (5) and acoustic emission probe;
Described uniaxial loading cube rock sample apparatus for placing entirety is in the rectangular parallelepiped framed structure that all around four sides is opened wide, inside is cavity, the upper and lower faces of described rectangular parallelepiped framework is respectively top board (10) and lower platen (1), and the quantity of described column (2) is four; During experiment, described cube rock sample (6) is placed in described rectangular parallelepiped lower portion cavity;
Described crossbeam (3) quantity is some, is horizontally set in former and later two planes of described rectangular parallelepiped framework respectively;
The two ends of described crossbeam (3) are respectively arranged with the first slip ring (8), and are sleeved on the differing heights position on corresponding column by the first slip ring (8);
Every root crossbeam is also respectively installed with second slip ring (4), described second slip ring (4) is provided with outer sleeve (5);
The sidewall of described outer sleeve (5) is provided with strip notch (22), described acoustic emission probe (16) is placed in described outer sleeve (5), and the wire (17) of acoustic emission probe is drawn from described strip notch (22).
2. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the outer surface of described column (2) and crossbeam (3) is provided with some jagged triangles stupefied (13).
3. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the foot of described column (2) is provided with web joint (7), and described web joint (7) is fixedly connected with described lower platen (1) by screw (9).
4. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the inside surface of described first slip ring (8) and the second slip ring (4) is provided with a jagged triangle stupefied (13).
5. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the bottom of described outer sleeve (5) is provided with bar blocks (15), and the top of described second slip ring (4) offers strip groove (14);
Described bar blocks (15) is mated with described strip groove (14) size, and described bar blocks (15) is inserted in described strip groove (14), is formed and slidably connects.
6. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the outboard end inwall of described outer sleeve is provided with screw thread (21), after described acoustic emission probe puts into described outer sleeve, insert spring (19), use thick bar bolt (18) to tighten again.
7. the acoustic emission probe erecting device of cube rock sample uniaxial loading experiment according to claim 1, the both sides of described bar blocks (15) are evenly provided with some threaded holes (24), the two side of described strip groove (14) evenly offer some through holes (23); Described bar blocks (15) is fixedly connected with described strip groove (14) by rapier stud (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420368939.9U CN204027924U (en) | 2014-07-04 | 2014-07-04 | The acoustic emission probe erecting device of cube rock sample uniaxial loading experiment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420368939.9U CN204027924U (en) | 2014-07-04 | 2014-07-04 | The acoustic emission probe erecting device of cube rock sample uniaxial loading experiment |
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| CN204027924U true CN204027924U (en) | 2014-12-17 |
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| CN201420368939.9U Expired - Fee Related CN204027924U (en) | 2014-07-04 | 2014-07-04 | The acoustic emission probe erecting device of cube rock sample uniaxial loading experiment |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822299A (en) * | 2016-05-04 | 2016-08-03 | 中国科学院武汉岩土力学研究所 | Rock acoustic wave test simulated experimental device and method based on fluid environment |
| CN107063144A (en) * | 2017-06-23 | 2017-08-18 | 四川大学 | A kind of acoustic emission monitoring system |
| CN107727498A (en) * | 2017-09-26 | 2018-02-23 | 北京科技大学 | A kind of Experimental on acoustic emission sensor mounting clamping device and test specimen installation method |
| CN108226289A (en) * | 2017-12-22 | 2018-06-29 | 太原理工大学 | The device and test specimen test method of acoustic emission probe and microseism probe are installed simultaneously |
| CN111044364A (en) * | 2019-12-18 | 2020-04-21 | 辽宁工程技术大学 | Sound wave feedback coal rock structure damage stability detection experimental device |
| WO2020048188A3 (en) * | 2019-06-19 | 2020-05-07 | 四川大学 | Acoustic emission probe positioning system, test block for system, and application of system |
| CN112378741A (en) * | 2020-12-02 | 2021-02-19 | 青岛理工大学 | Acoustic emission probe fixing device and method for indoor rock mechanical test |
| CN113176341A (en) * | 2021-04-25 | 2021-07-27 | 江西理工大学 | Fixing device and method for acoustic emission probe in Brazilian split test |
-
2014
- 2014-07-04 CN CN201420368939.9U patent/CN204027924U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822299A (en) * | 2016-05-04 | 2016-08-03 | 中国科学院武汉岩土力学研究所 | Rock acoustic wave test simulated experimental device and method based on fluid environment |
| CN107063144A (en) * | 2017-06-23 | 2017-08-18 | 四川大学 | A kind of acoustic emission monitoring system |
| CN107063144B (en) * | 2017-06-23 | 2019-07-30 | 四川大学 | A kind of acoustic emission monitoring system |
| CN107727498A (en) * | 2017-09-26 | 2018-02-23 | 北京科技大学 | A kind of Experimental on acoustic emission sensor mounting clamping device and test specimen installation method |
| CN107727498B (en) * | 2017-09-26 | 2019-11-08 | 北京科技大学 | A kind of Experimental on acoustic emission sensor mounting clamping device and test specimen installation method |
| CN108226289A (en) * | 2017-12-22 | 2018-06-29 | 太原理工大学 | The device and test specimen test method of acoustic emission probe and microseism probe are installed simultaneously |
| WO2020048188A3 (en) * | 2019-06-19 | 2020-05-07 | 四川大学 | Acoustic emission probe positioning system, test block for system, and application of system |
| CN111044364A (en) * | 2019-12-18 | 2020-04-21 | 辽宁工程技术大学 | Sound wave feedback coal rock structure damage stability detection experimental device |
| CN112378741A (en) * | 2020-12-02 | 2021-02-19 | 青岛理工大学 | Acoustic emission probe fixing device and method for indoor rock mechanical test |
| CN113176341A (en) * | 2021-04-25 | 2021-07-27 | 江西理工大学 | Fixing device and method for acoustic emission probe in Brazilian split test |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150704 |
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| EXPY | Termination of patent right or utility model |