CN206573404U - Uniaxial tests device with ultrasonic scanning function - Google Patents
Uniaxial tests device with ultrasonic scanning function Download PDFInfo
- Publication number
- CN206573404U CN206573404U CN201720166324.1U CN201720166324U CN206573404U CN 206573404 U CN206573404 U CN 206573404U CN 201720166324 U CN201720166324 U CN 201720166324U CN 206573404 U CN206573404 U CN 206573404U
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- Prior art keywords
- pressure cylinder
- ultrasonic
- sample
- ultrasonic scanning
- scanning function
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of uniaxial tests device with ultrasonic scanning function, solve existing uniaxial tests apparatus function single, the problem of sample crack can not being positioned, technical scheme includes the confined pressure cylinder barrel of epimere axle cylinder pressure cylinder and hypomere, the axle cylinder pressure cylinder top is provided with top cover, the confined pressure cylinder barrel bottom is provided with bottom, axial piston is provided with the axle cylinder pressure cylinder, the piston rod end of the axial piston is extended in confined pressure cylinder barrel through axle cylinder pressure cylinder, the top surface of the bottom is made up of central part and week portion, the central part is provided with sample bench corresponding with the piston rod end, all portions are provided with the circular orbit around the sample bench, the circular orbit is provided with the ultrasonic scanner that can be moved in orbit.The utility model is simple in construction, easy to operate, good reliability, and ultrasonic scanning function is added in uniaxial tests, and fast and effectively sample crack is positioned.
Description
Technical field
The utility model is related to a kind of experimental provision for rock, specifically a kind of uniaxial tests device.
Background technology
Rock undergoes the ambient stress of complexity in complicated rock engineering, works as lotus as a kind of special engineering medium
When load reaches certain degree, some small cracks occur in rock interior.Often these small cracks are largely
Affect the reliability of engineering.
In order to determine bearing capacity of these rocks in Practical Project, it is necessary to carry out pressure experiment for rock,
Uniaxial tests are exactly one of which, and rock sample is placed in a closed confined pressure cylinder barrel by it, passes through the load of controlled loading
Measure to rock examination and apply axial compressive force.This laboratory experiment can set up this structure mould of the rock sample under simple stress effect
Type, but be blind area in experiment link for the positioning in crack.Because sample is usually cylindric, during uniaxial tests, generation
Crack is often irregular to be distributed on cylinder facade circumference rather than a plane, how to be fast and effectively skill to crack positioning
The problem of art personnel need to solve.
The content of the invention
The purpose of this utility model is that in order to solve the above-mentioned technical problem there is provided one kind is simple in construction, easy to operate, reliable
Property it is good, in uniaxial tests add ultrasonic scanning function, fast and effectively to sample crack position have ultrasonic scanning function
Uniaxial tests device.
Technical scheme includes the confined pressure cylinder barrel of epimere axle cylinder pressure cylinder and hypomere, and the axle cylinder pressure cylinder top is provided with top cover, institute
Confined pressure cylinder barrel bottom is stated provided with bottom, the axle cylinder pressure cylinder is interior to be provided with axial piston, and the piston rod end of the axial piston is worn
Cross and extended in axle cylinder pressure cylinder in confined pressure cylinder barrel, the top surface of the bottom is made up of central part and week portion, the central part provided with
The corresponding sample bench in the piston rod end, all portions are provided with the circular orbit around the sample bench, the circular orbit
Provided with the ultrasonic scanner that can be moved in orbit.
The ultrasonic scanner includes base, and the top surface of the base is provided with multiple ultrasonic probes, the bottom of the base
Face is provided with rail wheel, and the rail wheel is located on the circular orbit and driven by drive device；The ultrasonic probe includes hair
Penetrate probe and receiving transducer.
Multiple ultrasonic probes of the top surface of the base are arranged in arrays.
The piston rod end connects pressure head.
The rubber sleeve for being used for wrapping up sample, the upper/lower terminal warp of the rubber sleeve are provided between the pressure head and sample bench
Clip is separately fixed on pressure head and sample bench.
The problem of to solve in background technology, the ultrasound that inventor is considered as being widely used in other fields is swept in real time
Technology is retouched, ultrasonic testing signals, the ultrasonic signal reflected by testee are launched to testee by ultrasonic probe
Received by ultrasonic probe, it is whether defective inside testee so as to be judged according to reflected signal, by matching somebody with somebody therewith
The functions such as the equipment and software of set are imaged in fact when can realize, Three-dimensional Display.Based on above-mentioned principle, inventor is real to existing single shaft
Experiment device is improved, on the basis of the axle cylinder pressure cylinder and confined pressure cylinder barrel of original composition uniaxial tests device, to confined pressure
The bottom of cylinder barrel is improved, and the circular orbit around sample bench is set in all portions, and provided with can be in track on circular orbit
The ultrasonic scanner of upper slip.So, when being enclosed under control ultrasonic scanner working condition on circular orbit around one, i.e.,
A circle can be carried out to the facade circumference of the sample on bottom central part testing stand to scan without dead angle, so as to realize the quick of fracture
Positioning.
Further, the ultrasonic scanner includes base, and the top surface of the base is provided with multiple ultrasonic probes, described
The bottom surface of base is provided with rail wheel, and the rail wheel is located on the circular orbit and driven by drive device；So pass through control
Drive device processed makes rail wheel drive base to be moved along circular orbit, realizes that ultrasonic scanner surrounding centered on sample is moved
Make.
It is preferred that, including the ultrasonic probe of transmitting probe and receiving transducer is arranged at the top surface of base, it is arranged in arrays,
Equipment is set more to be compact, easy to install and overhaul.Transmitting probe launches ultrasonic testing signals to tested sample, by testee
The ultrasonic signal of reflection is received by receiving transducer, is analyzed by the ultrasonic signal to collection, so as to be believed according to reflection
It is number whether defective inside testee to judge.
The rubber sleeve of parcel sample is set between the pressure head and sample bench, the effect with fixed sample, it is to avoid produce
The generation of landing problem occurs for crack process test specimen.Further, as needed, it is also saturating in the top surface in sample and bottom surface cushioning
Water plate is to reach purpose that fixed sample does not allow pressure head directly to contact test block.
The axial piston can be the axial piston that air pressure, oil pressure or hydraulic pressure are power, or other provide axial direction
The axial piston of loading force.
Beneficial effect：
The utility model is simple in construction, simple to operate, it is only necessary to which existing uniaxial tests device is simply transformed, and adds super
Sound scan function, is fast and effectively positioned to sample crack.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model A-A sectional views.
Fig. 3 is the structural representation of ultrasonic scanner.
Fig. 4 is arrangement schematic diagram of the ultrasonic probe in base top surface.
Wherein, 1- axles cylinder pressure cylinder, 2- top covers, 3- confined pressures cylinder barrel, 4- bottoms, 5- axial pistons, 6- sample bench, 7- circular rails
Road, 8- ultrasonic scanners, 8.1- bases, 8.2- transmitting probes, 8.3- receiving transducers, 8.4- rail wheels, 9- pressure heads, 10- rubbers
Gum cover, 11- porous discs, 12- samples.
Embodiment
Explanation is further explained to the utility model below in conjunction with the accompanying drawings：
Referring to Fig. 1, the utility model is made up of the confined pressure cylinder barrel 3 of epimere axle cylinder pressure cylinder 1 and hypomere, the axle cylinder pressure cylinder 1
Top is provided with top cover 2, and the bottom of confined pressure cylinder barrel 3 is provided with bottom 4, is internally formed a relative space being sealed, the axle pressure
Be provided with axial piston 5 in cylinder barrel 1, the piston rod end of the axial piston 5 through axle cylinder pressure cylinder 1 extend in confined pressure cylinder barrel 3 with
Pressure head 9 is connected, and the top surface of the bottom 4 is made up of central part and week portion, and the central part is provided with and the piston rod end pair
The sample bench 6 answered, all portions are provided with the circular orbit 7 around the sample bench 6, and the circular orbit 7 is provided with can be in-orbit
The ultrasonic scanner 8 moved on road.
The ultrasonic scanner 8 includes base 8.1, referring to Fig. 3, and it is in matrix that the top surface of the base 8.1, which is provided with multiple,
Ultrasonic probe is arranged, the ultrasonic probe includes transmitting probe 8.2 and receiving transducer 8.1, in the present embodiment, using there is 4*8 bis-
Array is tieed up, first two columns is transmitting probe 8.2, and next two columns are receiving transducer 8.1.The bottom surface of the base 8.1 is provided with rail wheel
8.4, the rail wheel 8.4 is located on the circular orbit 7 and driven (drive device is not shown in figure) by drive device, institute
Stating drive device can include using stepper motor through transmission mechanism drive rail wheel 8.4, can use wired or wireless
Mode is controlled to the stepper motor, and this is prior art, is not described in detail here；In addition, ultrasonic probe can be by wired
Or wirelessly outer signal processing equipment (such as PLC), the signal data of collection is synthesized using relevant treatment software
Aperture handles and stored, and then carries out the scanning imagery of next position, and specific method is prior art, is not described in detail here.
Being provided between the pressure head 9 and sample bench 6 is used to wrapping up the rubber sleeve 10 of sample, the rubber sleeve 10 it is upper and lower
Two ends are separately fixed on pressure head 9 and sample bench 6 through clip.
Operation principle：
Carry out before axle pressure test, upper and lower pad dress porous disc 11 is placed on sample bench 6 simultaneously after sample 12 is wrapped up with rubber 10
It is fixed, then the axle cylinder pressure cylinder 1 with top cover 2 and the confined pressure cylinder barrel 3 with bottom 4 are sealed through bolt connection, make axle cylinder pressure
The pressure head 9 of the piston rod end of axial piston 5 just props up the porous disc 11 of the top surface of sample 12 in cylinder 1.
When carrying out uniaxial tests to rock, uniaxial test loading procedure is first normally carried out, i.e., by axial piston 5 axially
Be forced into sample and reach destruction, on-load pressure is controllable, air pressure or oil pressure etc. can be used (the present embodiment is air pressure).
When carrying out behaviour's sound Scanning Detction：Control starts ultrasonic scanner 8, makes one edge circular orbit 7 around sample bench 6
Mobile, while being scanned by ultrasonic probe to the circumference facade of sample 12, scanning signal can be in wired or wireless form
External processor (such as PLC) is sent, data are carried out with synthetic aperture processing by processor after the completion of scanning and is stored, Ran Houjin
The scanning imagery of the next position of row.Specifically, also further to data as needed the various images shown can be handled,
Data three-dimensional can also be merged, carry out Three-dimensional Display, including the moving towards of crackle, the shape of aqueous gassiness hole, various media
Interface can be shown with image format in the display being connected with processor or be printed by the printer of connection.
Claims (5)
1. a kind of uniaxial tests device with ultrasonic scanning function, includes the confined pressure cylinder barrel of epimere axle cylinder pressure cylinder and hypomere, institute
State axle cylinder pressure cylinder top and be provided with top cover, the confined pressure cylinder barrel bottom is provided with bottom, the axle cylinder pressure cylinder and is provided with axial piston, institute
The piston rod end of axial piston is stated to extend in confined pressure cylinder barrel through axle cylinder pressure cylinder, it is characterised in that the top surface of the bottom by
Central part and week portion's composition, the central part are provided with sample bench corresponding with the piston rod end, and all portions are provided with and surrounded
The circular orbit of the sample bench, the circular orbit is provided with the ultrasonic scanner that can be moved in orbit.
2. there is the uniaxial tests device of ultrasonic scanning function as claimed in claim 1, it is characterised in that the ultrasonic scanning
Device includes base, and the top surface of the base is provided with multiple ultrasonic probes, and the bottom surface of the base is provided with rail wheel, the track
Wheel is located on the circular orbit and driven by drive device；The ultrasonic probe includes transmitting probe and receiving transducer.
3. there is the uniaxial tests device of ultrasonic scanning function as claimed in claim 2, it is characterised in that the top of the base
Multiple ultrasonic probes in face are arranged in arrays.
4. the uniaxial tests device with ultrasonic scanning function as described in claim any one of 1-3, it is characterised in that described
Piston rod end connects pressure head.
5. there is the uniaxial tests device of ultrasonic scanning function as claimed in claim 4, it is characterised in that the pressure head and examination
Being provided between sample platform is used to wrapping up the rubber sleeve of sample, the upper/lower terminal of the rubber sleeve through clip be separately fixed at pressure head and
On sample bench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166324.1U CN206573404U (en) | 2017-02-23 | 2017-02-23 | Uniaxial tests device with ultrasonic scanning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720166324.1U CN206573404U (en) | 2017-02-23 | 2017-02-23 | Uniaxial tests device with ultrasonic scanning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573404U true CN206573404U (en) | 2017-10-20 |
Family
ID=60059835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720166324.1U Expired - Fee Related CN206573404U (en) | 2017-02-23 | 2017-02-23 | Uniaxial tests device with ultrasonic scanning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573404U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769518A (en) * | 2017-02-23 | 2017-05-31 | 湖北工业大学 | Uniaxial tests device with ultrasonic scanning function |
| CN109752257A (en) * | 2019-02-20 | 2019-05-14 | 中国地质大学（武汉） | Natural gas hydrate deposits object Dynamic triaxial test device and method with ultrasonic scanning |
-
2017
- 2017-02-23 CN CN201720166324.1U patent/CN206573404U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769518A (en) * | 2017-02-23 | 2017-05-31 | 湖北工业大学 | Uniaxial tests device with ultrasonic scanning function |
| CN109752257A (en) * | 2019-02-20 | 2019-05-14 | 中国地质大学（武汉） | Natural gas hydrate deposits object Dynamic triaxial test device and method with ultrasonic scanning |
| CN109752257B (en) * | 2019-02-20 | 2024-04-02 | 中国地质大学（武汉） | Natural gas hydrate sediment dynamic triaxial experimental device and method with ultrasonic scanning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20180223 |