CN107941915A - Rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System - Google Patents
Rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System Download PDFInfo
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- CN107941915A CN107941915A CN201710903216.2A CN201710903216A CN107941915A CN 107941915 A CN107941915 A CN 107941915A CN 201710903216 A CN201710903216 A CN 201710903216A CN 107941915 A CN107941915 A CN 107941915A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0256—Triaxial, i.e. the forces being applied along three normal axes of the specimen
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System, including host computer, ultrasonic triggering/receiver board and ultrasonic phased array transducer, host computer is connected with ultrasonic triggering/receiver board, and ultrasonic phased array transducer is coupled with sample；Ultrasonic triggering/receiver board is by array element switching circuit, signal amplification adjustment circuit, digital analog converter, ultrasound element trigger circuit, trigger-delay circuit, data collector, microprocessor；Array element switching circuit amplifies adjustment circuit with signal and ultrasound element trigger circuit is connected, signal amplification adjustment circuit is connected by digital analog converter with digital analog converter, ultrasound element trigger circuit is connected by trigger-delay circuit with digital analog converter, digital analog converter connection is connected by microprocessor with host computer, of the invention to have the advantages that good signal-to-noise ratio, high resolution, easy to use.
Description
Technical field
The invention belongs to rock mechanics and rock test field, and in particular to a kind of band ultrasonic phased array real time imagery system
The rock actual triaxial testing apparatus of system.
Background technology
The macroscopic appearance of rock deforming and cracking behind under cover its it is thin see mechanism, i.e., on meso-scale the germinating of crackle,
Extension, penetrate through to the evolutionary process destroyed, and verifies the Evolution of crackle with important theory significance from microscopic parameter and answers
With value.At present, the loading device of independent development is coordinated to carry out triaxial compression test using Industrial CT Machine mostly, observation rock is broken
Propagation of internal cracks evolutionary process during bad, realizes the Real Time Observation of microscopical structure during the rock failure mechanism of rock to a certain extent
And analysis.
Application No.：201510577392.2 patent name is《A kind of rock true triaxial examination of band CT real time scan systems
Check system and method》Disclose a kind of actual triaxial testing apparatus that can carry out CT real time scans, which solves X-ray without
Method penetrates the problem of traditional true triaxial test machine, realizes the Real Time Observation of microscopical structure and analysis during the rock failure mechanism of rock, but
Since pressure cell, column and counterforce device are made of carbon fibre material, its intensity and plant bulk are true compared to tradition
Three-axis mounting is much smaller, can not the sample high to bulk specimen and intensity test.
In addition, part instrument uses acoustic emission, propagation of internal cracks evolutionary process during the rock failure mechanism of rock is observed.But
On the one hand acoustic emission needs to install several probes on sample, be unfavorable for the application of load.On the one hand need by popping one's head in
Locus and sound wave reach time difference of probe and calculate the position of rock crackle forming, it is as a result not directly perceived enough, and error
Greatly；On the other hand, acoustic emission can only provide the position of acoustic emission source, activity, intensity, it is impossible to provide defect in acoustic emission source
Property and size, i.e., can only provide the general location of crackle, the shape and size of crackle can not be obtained.
Now there is an urgent need for a kind of resolution ratio is higher, noise is relatively good, the germinating, extension, perforation of crackle can be clearly viewed to broken
Bad evolution process and the rock true triaxial microscopical structure real time imagery test that the sample that intensity is high, size is big can be tested
Analytical equipment.
The content of the invention
The object of the present invention is to provide a kind of rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System,
Experimenter can be with the germinating of real-time monitored rock sample crackle in loading procedure, extension, perforation to examination in experimentation
The evolutionary process that sample destroys.
In order to realize the purpose of the invention described above, the technical scheme is that：Band ultrasonic phased array real time imagery system
The rock actual triaxial testing apparatus of system, including true triaxial loading system and ultrasonic phased array detecting system；It is characterized in that：Institute
Stating true triaxial loading system includes X-direction loading system, Y-direction loading system, Z-direction loading system, X-direction loading system, Y
Direction loading system, Z-direction loading system are each independent, and X-direction loading system includes：It is manually operated loading section 7, pump is moved and added
Carry part and horizontal pressure head；Y-direction loading system includes：Confined pressure compression system exhaust outlet, confined pressure compression system oil inlet, confined pressure
Compression system oil outlet；Z-direction loading system includes：Axis pressure chamber, Vertical loading piston, square seaming chuck, square push
Head；Square seaming chuck may be contained within pressure indoor with square push-down head, and axis pressure chamber is installed on directly over pressure indoor, vertical to add
Carry piston to be located at directly over square seaming chuck, square seaming chuck and lower square pressure head are respectively arranged at the upper and lower of sample
Both ends；The axis pressure chamber lower face is provided with through hole, and axis pressure chamber is connected with pressure indoor by through hole；Vertical loading piston includes hanging down
Straight loading piston lateral part and Vertical loading piston longitudinal component, Vertical loading piston longitudinal component are horizontal with Vertical loading piston
Vertical to part, Vertical loading piston longitudinal component is located at the center of Vertical loading piston lateral part lower end, and Vertical loading is lived
Plug lateral part is located in axis pressure chamber, and Vertical loading piston longitudinal component lower end is located in through hole or extends downwardly the entrance of axis pressure chamber
Pressure indoor, Vertical loading piston lateral part are an integral structure with Vertical loading piston longitudinal component；There are left axle bar, right axle bar
Pressure indoor both sides are arranged at axial symmery shape respectively, and are each passed through confined pressure chamber outer wall；The dynamic loading section right end of pump is connected to
Left axle bar left end, manual operation loading section left end are connected to right axle bar right end；Confined pressure compression system oil inlet, confined pressure compression train
System oil outlet is arranged at the arranged on left and right sides of confined pressure chamber outer wall lower end with axial symmery shape respectively, and confined pressure compression system exhaust outlet is set
It is placed in the right side of confined pressure chamber outer wall upper end；There is base to be vertically connected at pressure indoor lower end；Sample is the rectangle that bottom surface is square
Body, horizontal pressure head have two, and respectively positioned at the left and right both ends of sample, horizontal pressure head is cuboid, and with the section of sample contacts with
Specimen shape and size are identical；The bottom shape of square seaming chuck and square push-down head be square and with the examination
Sample bed-plate dimension is identical；The Z-direction loading system further include axial loading system oil inlet, axial loading system oil outlet and
Axial loading system exhaust outlet, axial loading system oil inlet and axial loading system oil outlet, axial loading system oil inlet,
Axial loading system oil outlet is arranged at the arranged on left and right sides of axis pressure chamber outer wall upper end, axially loaded system with axial symmery shape respectively
System exhaust outlet is arranged at the right side of axis pressure chamber outer wall lower end；The ultrasonic phased array detecting system includes host computer, ultrasound is touched
Hair/receiver board and ultrasonic phased array transducer, the host computer are connected with ultrasonic triggering/receiver board, ultrasonic phased array transducer
The sound wave surface of emission is coupling in the front or behind of sample by couplant, and the ultrasound triggering/receiver board and host computer are respectively provided with
In outside pressure indoor.
In the above-mentioned technical solutions, the ultrasonic triggering/receiver board includes array element switching circuit, signal amplification adjustment electricity
Road, digital analog converter, ultrasound element trigger circuit, trigger-delay circuit, data collector and microprocessor；The array element switching
Circuit is connected with signal amplification adjustment circuit, ultrasound element trigger circuit and ultrasonic phased array transducer respectively, and signal amplification is adjusted
Whole circuit is connected by digital analog converter with data collector, and ultrasound element trigger circuit is adopted by trigger-delay circuit and data
Storage connects, and data collector connection is connected by microprocessor with host computer.
In the above-mentioned technical solutions, the axial loading system oil inlet is watched with axial loading system oil outlet connecting shaft pressure
Clothes pump, axial loading system exhaust outlet are connected with air；The confined pressure compression system oil inlet and confined pressure compression system oil outlet
Confined pressure servopump is connected, confined pressure compression system exhaust outlet is connected by confined pressure servo valve with air.
In the above-mentioned technical solutions, there is USB interface in the confined pressure chamber outer wall lower end, and ultrasonic triggering/receiver board is connect by USB
Mouth is connected with ultrasonic phased array transducer.
The present invention has the beneficial effect that：
1) ultrasonic phased array transducer size of the invention is small, investigative range is big, has dynamic focusing ability, can apply
In small-sized or even large-scale real triaxial loading device；
2) present invention is a kind of rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System, has noise
Than good, high resolution, to being detected inside big and thick sample, the results contrast of acquisition is directly perceived, can clearly observe crackle
Germinating, extension, perforation to destroy evolution process, there is dynamic focusing ability, it is not necessary to which mobile probe can be completed necessarily
In the range of the scanning work of sample, advantage easy to use；
3) present invention has axial loading system exhaust outlet and confined pressure compression system exhaust outlet, axial loading system exhaust outlet
It can ensure that Vertical loading piston will not press room air compression to produce interference to experiment when to sample applying power because of axis；Confined pressure
Compression system exhaust outlet can exclude the indoor air of confined pressure, i.e., the present invention can compress to avoid air produces interference to experiment；
4) ultrasonic phased array transducer is coupled to sample front or behind by couplant, on the one hand be used for fix sample with
The relative position of ultrasonic phased array transducer, prevents that with ultrasonic phased array transducer opposite position occurs for sample in detection process
Move；On the other hand hydraulic oil in isolation pressure indoor, prevents hydraulic oil from being had an impact to the ultrasonic phased array transducer sound wave surface of emission,
Influence testing result.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is sample of the present invention, horizontal pressure head, the plan-position schematic diagram of ultrasonic phased array transducer.
Fig. 4 is the ultrasonic phase array detecting system structure diagram of the present invention.
1- Vertical loadings piston in figure, 1.1- Vertical loading pistons lateral part, 1.2- Vertical loading piston longitudinal components,
2- axial loading system oil inlets, 3- axial loading system oil outlets, 4- axial loading system exhaust outlets, are pressed on 5- squares
Head, 6- square push-down heads, 7- manual operation loading sections, the dynamic loading section of 8- pumps, the horizontal pressure heads of 9-, 10- confined pressure compression trains
System exhaust outlet, 11- confined pressure compression system oil inlets, 12- confined pressure compression system oil outlets, 13- samples, 14- left axle bars, 15- are right
Axostylus axostyle, 16- pressure indoors, 17- bases, 18- ultrasonic phased array transducers, 19-USB interfaces, 20- ultrasounds triggering/receiver board,
20.1- array element switching circuits, 20.2- signals amplification adjustment circuit, 20.3- digital analog converters, 20.4- ultrasound elements triggering electricity
Road, 20.5- trigger-delay circuits, 20.6- data collectors, 20.7- microprocessors, 21- host computers, 22- axis pressure chambers.
Embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they do not form limitation of the invention, only
It is for example, while make advantages of the present invention more clear by explanation and be readily appreciated that.
Understood refering to attached drawing：Rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System, its feature exist
In：Including true triaxial loading system and ultrasonic phased array detecting system；
The true triaxial loading system includes X-direction loading system, Y-direction loading system, Z-direction loading system, X-direction
Loading system, Y-direction loading system, Z-direction loading system are each independent, and X-direction loading system includes：It is manually operated loading unit
Divide the dynamic loading section 8 of 7, pump and horizontal pressure head 9；Y-direction loading system includes：Confined pressure compression system exhaust outlet 10, confined pressure pressurization
System oil inlet 11, confined pressure compression system oil outlet 12；Z-direction loading system includes：Axis pressure chamber 22, Vertical loading piston 1, just
Square seaming chuck 5, square push-down head 6；Square seaming chuck 5 and square push-down head 6 may be contained within pressure indoor 16, axis pressure
Room 22 is installed on directly over pressure indoor 16, and Vertical loading piston 1 is located at directly over square seaming chuck 5, square 5 He of seaming chuck
Lower square pressure head 6 is respectively arranged at the upper/lower terminal of sample 13；22 lower face of axis pressure chamber is provided with through hole, axis pressure chamber
22 are connected with pressure indoor 16 by through hole；Vertical loading piston 1 includes Vertical loading piston lateral part 1.1 and Vertical loading is lived
Longitudinal component 1.2 is filled in, Vertical loading piston longitudinal component 1.2 is vertical with Vertical loading piston lateral part 1.1, and Vertical loading is lived
Plug longitudinal component 1.2 is located at the center of 1.1 lower end of Vertical loading piston lateral part, Vertical loading piston lateral part 1.1
In in axis pressure chamber 22,1.2 lower end of Vertical loading piston longitudinal component, which is located in through hole or extends downwardly axis pressure chamber 22, enters confined pressure
Room 16, Vertical loading piston lateral part 1.1 are an integral structure with Vertical loading piston longitudinal component 1.2；Have left axle bar 14,
Right axle bar 15 is arranged at 16 both sides of pressure indoor with axial symmery shape respectively, and is each passed through 16 outer wall of pressure indoor；The dynamic loading unit of pump
8 right ends are divided to be connected to 14 left end of left axle bar, manual operation 7 left end of loading section is connected to 15 right end of right axle bar；Confined pressure compression train
System oil inlet 11, confined pressure compression system oil outlet 12 are arranged at the left and right of 16 outer wall lower end of pressure indoor with axial symmery shape respectively
Both sides, confined pressure compression system exhaust outlet 10 are arranged at the right side of 16 outer wall upper end of pressure indoor；There is base 17 to be vertically connected at confined pressure
16 lower end of room；Sample 13 is the cuboid that bottom surface is square, and horizontal pressure head 9 has two, respectively positioned at sample 13 left and right two
End, horizontal pressure head 9 is cuboid, and identical with 13 shape of sample and size with the section that sample 13 contacts；Square seaming chuck 5
Bottom shape with square push-down head 6 is square and identical with 13 bed-plate dimension of sample；
The Z-direction loading system further includes axial loading system oil inlet 2, axial loading system oil outlet 3 and axial direction
Loading system exhaust outlet 4, axial loading system oil inlet 2 and axial loading system oil outlet 3 are set with axial symmery shape respectively
Arranged on left and right sides in 22 outer wall upper end of axis pressure chamber, axial loading system exhaust outlet 4 are arranged at the right side of 22 outer wall lower end of axis pressure chamber
Side；
The ultrasonic phased array detecting system includes host computer 21, ultrasonic triggering/receiver board 20 and ultrasonic phase array and changes
Energy device 18, the host computer 21 are connected with ultrasonic triggering/receiver board 20, and the 18 sound wave surface of emission of ultrasonic phased array transducer passes through coupling
Mixture is coupling in the front or behind of sample 13, and horizontal pressure head 9 and ultrasonic phased array transducer 18 are arranged on the outside of gum cover, described
Ultrasonic triggering/receiver board 20 and host computer 21 may be contained within outside pressure indoor 16.
Preferably, the ultrasonic triggering/receiver board 20 includes array element switching circuit 20.1, signal amplification adjustment circuit
20.2nd, digital analog converter 20.3, ultrasound element trigger circuit 20.4, trigger-delay circuit 20.5, data collector 20.6 and micro-
Processor 20.7；The array element switching circuit 20.1 amplifies adjustment circuit 20.2, ultrasound element trigger circuit with signal respectively
20.4 and ultrasonic phased array transducer 18 connect, signal amplification adjustment circuit 20.2 pass through digital analog converter 20.3 and data acquisition
Device 20.6 connects, and ultrasound element trigger circuit 20.4 is connected by trigger-delay circuit 20.5 with data collector 20.6, data
The connection of collector 20.6 is connected by microprocessor 20.7 with host computer 21.The length of ultrasonic phased array transducer 18, width with
And combining form has plurality of specifications, specifically used specification is determined according to imaging effect and economy.
Preferably, the axial loading system oil inlet 2 and 3 connecting shaft of axial loading system oil outlet pressure servopump, axis
It is connected to loading system exhaust outlet 4 with air；The confined pressure compression system oil inlet 11 connects with confined pressure compression system oil outlet 12
Confined pressure servopump is connect, confined pressure compression system exhaust outlet 10 is connected by confined pressure servo valve with air；Axial loading system exhaust outlet
With confined pressure compression system exhaust outlet, axial loading system exhaust outlet can ensure Vertical loading piston when to sample applying power not
Interference can be produced to experiment because of axis pressure room air compression；Confined pressure compression system exhaust outlet can exclude the indoor air of confined pressure,
I.e. the present invention can compress to avoid air produces interference to experiment；
Preferably, there is usb 19 in the 16 outer wall lower end of pressure indoor, and ultrasonic triggering/receiver board 20 passes through usb 19
It is connected with ultrasonic phased array transducer 18；USB interface is used to connect so that installation and removal are very convenient.
In actual use, the 18 sound wave surface of emission of ultrasonic phased array transducer is contacted with sample 13, by launch sound wave with
Sound wave is received to achieve the purpose that measurement；Its lap of ultrasonic phased array transducer 18 is sealed with seal box, leaves behind sound wave transmitting
Face couplant is coupled with sample 13；Seal box is hollow rectangle, and ultrasonic phased array transducer 18 is placed in seal box, is passed through
Seal box is connected by screw, couplant etc. with ultrasonic phased array transducer 18, achievees the purpose that to completely cut off hydraulic oil.
In order to more clearly illustrate that the rock true triaxial of the present invention based on ultrasonic phased array carefully sees knot
Structure real time imagery detecting and analysing system and Application No.：201510577392.2 patent name is《A kind of band CT real time scans system
The rock true triaxial test system and method for system》Than possessed advantage, staff has carried out both technical solutions pair
Than its comparing result such as following table：
As seen from the above table, the rock actual triaxial testing apparatus of the present invention with ultrasonic phased array Real Time Image System
With Application No.：201510577392.2 patent name is《A kind of rock true triaxial test system of band CT real time scan systems
And method》Compare, the device of the rock actual triaxial testing apparatus of the present invention with ultrasonic phased array Real Time Image System
Scale, intensity can be guaranteed, and can complete the true triaxial experiment of high intensity rock sample, have dynamic focusing ability, it is not necessary to
Mobile probe can complete the scanning work of sample in a certain range, and use is more convenient, and image quality is preferable, can be clearly viewed
Germinating, extension, the perforation to the evolution process destroyed of crackle.
Other unaccounted parts belong to the prior art.
Claims (4)
1. the rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System, including true triaxial loading system and ultrasound
Phased array detecting system；It is characterized in that：The true triaxial loading system includes X-direction loading system, Y-direction loading system
System, Z-direction loading system, X-direction loading system, Y-direction loading system, Z-direction loading system are each independent, X-direction loading
System includes：It is manually operated the dynamic loading section (8) of loading section (7), pump and horizontal pressure head (9)；Y-direction loading system includes：
Confined pressure compression system exhaust outlet (10), confined pressure compression system oil inlet (11), confined pressure compression system oil outlet (12)；Z-direction adds
Loading system includes：Axis pressure chamber (22), Vertical loading piston (1), square seaming chuck (5), square push-down head (6)；Square
Seaming chuck (5) and square push-down head (6) may be contained within pressure indoor (16), axis pressure chamber (22) be installed on pressure indoor (16) just on
Side, Vertical loading piston (1) are located at directly over square seaming chuck (5), square seaming chuck (5) and lower square pressure head (6)
It is respectively arranged at the upper/lower terminal of sample (13)；Axis pressure chamber (22) lower face is provided with through hole, axis pressure chamber (22) and confined pressure
Room (16) is connected by through hole；Vertical loading piston (1) includes Vertical loading piston lateral part (1.1) and Vertical loading piston
Longitudinal component (1.2), Vertical loading piston longitudinal component (1.2) is vertical with Vertical loading piston lateral part (1.1), vertical to add
Carry the center that piston longitudinal component (1.2) is located at Vertical loading piston lateral part (1.1) lower end, Vertical loading piston transverse part
(1.1) are divided to be located in axis pressure chamber (22), Vertical loading piston longitudinal component (1.2) lower end is located in through hole or extends downwardly axis pressure
Room (22) enters pressure indoor (16), and Vertical loading piston lateral part (1.1) is one with Vertical loading piston longitudinal component (1.2)
Body formula structure；There are left axle bar (14), right axle bar (15) to be arranged at pressure indoor (16) both sides respectively with axial symmery shape, and wear respectively
Cross pressure indoor (16) outer wall；Dynamic loading section (8) right end of pump is connected to left axle bar (14) left end, manual operation loading section (7)
Left end is connected to right axle bar (15) right end；Confined pressure compression system oil inlet (11), confined pressure compression system oil outlet (12) respectively with
Axial symmery shape is arranged at the arranged on left and right sides of pressure indoor (16) outer wall lower end, and confined pressure compression system exhaust outlet (10), which is arranged at, to be enclosed
The right side of pressure chamber (16) outer wall upper end；There is base (17) to be vertically connected at pressure indoor (16) lower end；Sample (13) is that bottom surface is just
Square cuboid, horizontal pressure head (9) have two, are respectively cuboid positioned at sample (13) left and right both ends, horizontal pressure head (9),
It is and identical with sample (13) shape and size with the section that sample (13) contacts；Square seaming chuck (5) and square push-down head
(6) bottom shape is square and identical with the sample (13) bed-plate dimension；
The Z-direction loading system further includes axial loading system oil inlet (2), axial loading system oil outlet (3) and axial direction
Loading system exhaust outlet (4), axial loading system oil inlet (2) and axial loading system oil outlet (3) are respectively with axisymmetric shape
Formula is arranged at the arranged on left and right sides of axis pressure chamber (22) outer wall upper end, and axial loading system exhaust outlet (4) is arranged at axis pressure chamber (22) outside
The right side of wall lower end；
The ultrasonic phased array detecting system includes host computer (21), ultrasonic triggering/receiver board (20) and ultrasonic phase array and changes
Energy device (18), the host computer (21) are connected with ultrasonic triggering/receiver board (20), the transmitting of ultrasonic phased array transducer (18) sound wave
Face is coupling in the front or behind of sample (13) by couplant, and seaming chuck (5) and push-down head (6) are located in rubber sleeve, clip
It is respectively arranged at rubber sleeve upper and lower ends；Ultrasound triggering/the receiver board (20) and host computer (21) may be contained within pressure indoor
(16) outside.
2. the rock actual triaxial testing apparatus according to claim 1 with ultrasonic phased array Real Time Image System, it is special
Sign is：Ultrasound triggering/the receiver board (20) includes array element switching circuit (20.1), signal amplifies adjustment circuit (20.2),
Digital analog converter (20.3), ultrasound element trigger circuit (20.4), trigger-delay circuit (20.5), data collector (20.6) and
Microprocessor (20.7)；
The array element switching circuit (20.1) amplifies adjustment circuit (20.2), ultrasound element trigger circuit (20.4) with signal respectively
Connected with ultrasonic phased array transducer (18), signal amplification adjustment circuit (20.2) is adopted by digital analog converter (20.3) with data
Storage (20.6) connects, and ultrasound element trigger circuit (20.4) passes through trigger-delay circuit (20.5) and data collector (20.6)
Connection, data collector (20.6) connection are connected by microprocessor (20.7) with host computer (21).
3. the rock actual triaxial testing apparatus according to claim 2 with ultrasonic phased array Real Time Image System, it is special
Sign is：The axial loading system oil inlet (2) and axial loading system oil outlet (3) connecting shaft pressure servopump, it is axial to add
Loading system exhaust outlet (4) is connected with air；
The confined pressure compression system oil inlet (11) is connected confined pressure servopump, confined pressure pressurization with confined pressure compression system oil outlet (12)
System exhaust (10) is connected by confined pressure servo valve with air.
4. the rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System according to claims 1 to 3, its
It is characterized in that：Pressure indoor (16) the outer wall lower end sets USB interface (19), and ultrasonic triggering/receiver board (20) passes through USB interface
(19) it is connected with ultrasonic phased array transducer (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710903216.2A CN107941915A (en) | 2017-09-29 | 2017-09-29 | Rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710903216.2A CN107941915A (en) | 2017-09-29 | 2017-09-29 | Rock actual triaxial testing apparatus with ultrasonic phased array Real Time Image System |
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| 白磊: "超声波检测技术在混凝土上的应用研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132733A (en) * | 2019-06-10 | 2019-08-16 | 中国科学院武汉岩土力学研究所 | A kind of three-dimensional high stress hydraulic fracturing physical simulation experiment system of real time imagery |
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