CN108732247A - A kind of core acoustic profile test system and method - Google Patents
A kind of core acoustic profile test system and method Download PDFInfo
- Publication number
- CN108732247A CN108732247A CN201810844846.1A CN201810844846A CN108732247A CN 108732247 A CN108732247 A CN 108732247A CN 201810844846 A CN201810844846 A CN 201810844846A CN 108732247 A CN108732247 A CN 108732247A
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- core barrel
- core
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- clamper
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title description 13
- 230000007246 mechanism Effects 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000012153 distilled water Substances 0.000 claims description 12
- 230000003028 elevating effect Effects 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 235000004443 Ricinus communis Nutrition 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims description 3
- 230000002463 transducing effect Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000012625 in-situ measurement Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- 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
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- 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
- G01N29/22—Details, e.g. general constructional or apparatus details
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of core acoustic profile test system comprising：Several support platforms；It can assignment test platform；It is equipped on energy converter that can be on assignment test platform；Being set up in can assignment test platform, the core barrel in support platform；Core pipe fixation structure for being fixed on core barrel in support platform.The core acoustic profile test system of the present invention is separation design, support platform, can assignment test platform be individual component, the core of different length can be tested, energy converter is fixed on clamper, clamper is fixed on can be on assignment test platform, can assignment test platform can be moved axially along core barrel, the support platform at intermediate position can also be moved axially along core barrel with coordinate can the mobile of assignment test platform measure, realize can assignment test platform the overall length of core is tested.
Description
Technical field
The present invention relates to medium acoustic characteristic field of measuring technique, specifically, being related to a kind of core acoustic profile test
System and method.
Background technology
The parameters,acoustic of sediment, such as the speed propagated in substrate of sound wave and decaying, are theory of sound propagation
Basic input parameters, the acoustic model based on theory are also required to these parameters.Obtain the rate of sound and attenuation of sound pair in substrate
The model of marine environment sound field calculates, geophysical forward modeling and inverting are of great significance to.
The measuring technique of sediment parameters,acoustic mainly divides three kinds, i.e., reflection/refractive profile telemetering, in situ measurement and takes
Sample measures.Reflection/refractive profile telemetry provides the estimation of the bulk sound velocity and attenuation coefficient on large volume stratum, belongs to
The indirect method of sediment acoustic properties is obtained, and sampling and measuring and in situ measurement belong to direct method.Sampling and measuring due to
Technically simple, environment is controllable, is still widely used.
In Ocean Drilling Program flight number, after Sediment Cores are taken up from seabed, three kinds of methods of generally use are come
Measure its parameters,acoustic：
Its sound directly is measured with the method for two end in contact of Sediment Cores first, emitting using sound wave and receiving energy converter
Learn parameter；
Join to measure its acoustics second is that being emitted using sound wave and receiving the method that transducer probe is inserted into Sediment Cores
How much number, both methods can cause to disturb to Sediment Cores, and the parameters,acoustic obtained is Sediment Cores length direction
On average value；
And the sound wave when measuring the parameters,acoustic of Sediment Cores of the Multi-Sensor Tracking system on Ocean Drilling ship emits
It contacts, Sediment Cores will not be caused to disturb respectively with core barrel radially opposite sides with energy converter is received, therefore as first choice
Parameters,acoustic test method, but Multi-Sensor Tracking system occupied space is larger, uses inconvenience,.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of core acoustic profile test system and method, specific skill
Art scheme is as follows：
A kind of core acoustic profile test system comprising：
Several support platforms 3；
It can assignment test platform 6；
It is equipped on energy converter 7 that can be on assignment test platform 6；
Being set up in can assignment test platform 6, the core barrel 2 in support platform 3；
Core pipe fixation structure 1 for being fixed on core barrel 2 in support platform 3；
The support platform 3 is provided with carrying on mechanism and elevating mechanism, and the elevating mechanism includes being set up in lifting guide pillar 8
On lifting platform and by leading screw connect lifting platform lifting handle 5, can pass through lifting handle 5 adjust lifting platform height；
Carrying on mechanism includes arc carrying platform, for carrying core barrel 2；.
2 both ends of the core barrel are each provided at least one support platform 3, and 2 end of core barrel is equipped on support platform 3
On, and fixed by core pipe fixation structure 1；
2 middle part of the core barrel is supported by several support platforms 3；
Can assignment test platform 6 include clamper pedestal, clamping device, retaining mechanism, wherein：
The clamping device includes retaining mechanism and symmetrically arranged two clampers 4, and two clamper 4 is by core barrel
2 hold tightly in it, and retaining mechanism connects two clampers 4, and is locked；
Laterally disposed guide rail is provided on clamper pedestal, 4 bottom of the clamper is fixedly connected with sliding block, slider frame
On guide rail, make clamper 4 that can be moved along guide rail；
Energy converter mounting hole is offered on 4 side wall of the clamper, for installing energy converter 7；
Water cavity 8 up and down is offered in clamper 4, the water cavity 8 is connected to energy converter mounting hole.
Further, the energy converter 7 is pressed on by energy converter hold-down bolt on core barrel 2, ensures energy converter 7 and core
The close contact of pipe 7.
Further, clamper base bottom install guide castor, make can assignment test platform 6 it is easy to remove.
Further, it is carved with height number in lifting guide pillar 8.
Further, the core pipe fixation structure 1 is U-shaped structure, is passed through with the arc carrying platform in support platform 3
It is threadedly coupled, by 2 banding of core barrel.
A kind of core acoustic profile test method, includes the following steps：
A, two sets of support platforms 3 are placed on to the both ends of core barrel, be used in combination core pipe fixation structure 1 to clamp core barrel solid
It is fixed；
B, by install energy converter 7 and core barrel can assignment test platform 6 be placed into test position；
C, several different parts for covering support platform 3 and being placed into core barrel are selected according to the length of core barrel；
D, the height for adjusting support platform 3 makes core barrel axially be in the same horizontal position；
E, energy converter 7 is connected into sonic apparatus, and enabling signal generator and collector, passes through energy converter transmitting and reception sound
Wave signal；
F, need to change when measuring position, can assignment test platform moved axially along core barrel, be placed into and need to measure
Position, while support platform is moved axially into certain position along core barrel and continues to support core barrel, to ensure core barrel axial direction
Still in the same horizontal position, it is again started up signal generator and collector, emits and receive acoustic signals by energy converter；
G, step 1 to 5 is repeated after same core barrel being filled distilled water, calculates velocity of sound Vp and acoustic attenuation α as follows
p：
Wherein Vw is the velocity of sound of distilled water, is received when being deposit when Δ t is is distilled water in core barrel and in core barrel
The difference then for the acoustic signals that energy converter receives, d are the internal diameter of core barrel, ew/es be in core barrel when being distilled water and
The ratio of the voltage amplitude for the signal that energy converter receives is received when being deposit in core barrel.
A kind of core acoustic profile provided by the present invention tests system, has the following advantages：
One, core acoustic profile of the invention test system is separation design, support platform, can assignment test platform it is equal
For individual component, the core of different length can be tested, longer core is not required to carry out cutting process, can be accomplished
The non-destructive testing of Sediment Cores, separation design also can be improved the adaptability to test site on ship and be aboard ship easy to
It places.
Two, support platform has several sets, is arranged in the both ends of core barrel and intermediate position, core pipe fixation structure and two
The support platform at end, which matches, clamps core barrel, prevents core barrel from being moved in support platform.During the test, both ends
Support platform position it is constant.Intermediate support platform is rolled over when preventing core barrel long under the gravity of deposit
Curved phenomenon, and can with can assignment test position of platform variation and changing position, make the measurement position of core barrel be constantly in by
Holding state and keep horizontal, to ensure that the precision of measurement.
Three, energy converter is fixed on clamper, clamper be fixed on can on assignment test platform, can assignment test platform can
To be moved axially along core barrel, the support platform at intermediate position can also be moved axially along core barrel with coordinate can assignment test it is flat
The mobile of platform measures, and realizing can overall length test of the assignment test platform to core.
Four, there is support platform elevating mechanism in support platform, height number is carved in the lifting guide pillar of elevating mechanism, can press
The height of each hoistable platform is adjusted to consistent according to height number thereon, meets the test of the core of different tube diameters.Work as test
When place ground flat degree is relatively low, the height of different parts support platform can be adjusted, so that core barrel remains at level
Position.After the support platform at intermediate position reduces height, i.e., it is detached from core barrel, it is ensured that it can axially take up an official post in core barrel
Meaning changes Support Position.
Description of the drawings
Attached drawing 1 is a kind of core acoustic profile test system structure schematic diagram；
Attached drawing 2 connects support platform structural schematic diagram；
Attached drawing 3 is can assignment test platform structure schematic diagram；
Figure label：
Core pipe fixation structure 1, core barrel 2, support platform 3, clamper 4, lifting handle 5, can assignment test platform 6,
Energy converter 7, lifting guide pillar 8.
Specific implementation mode
Below in conjunction with the accompanying drawings and the embodiment of the present invention makees into one a kind of core acoustic profile test system of the present invention
Step detailed description.
A kind of core acoustic profile test system comprising：Several support platforms 3；It can assignment test platform 6；It is equipped on
Energy converter 7 that can be on assignment test platform 6；Being set up in can assignment test platform 6, the core barrel 2 in support platform 3；For inciting somebody to action
Core barrel 2 is fixed on the core pipe fixation structure 1 in support platform 3.
The support platform 3 is provided with carrying on mechanism and elevating mechanism, and the elevating mechanism includes being set up in lifting guide pillar 8
On lifting platform and by leading screw connect lifting platform lifting handle 5, can pass through lifting handle 5 adjust lifting platform height；
Carrying on mechanism includes arc carrying platform, for carrying core barrel 2；2 both ends of the core barrel be each provided with to
A few support platform 3,2 end of core barrel is equipped in support platform 3, and is fixed by core pipe fixation structure 1；The core
2 middle part of pipe is supported by several support platforms 3；Can assignment test platform 6 include clamper pedestal, clamping device, retaining mechanism,
In：
The clamping device includes retaining mechanism and symmetrically arranged two clampers 4, and two clamper 4 is by core barrel
2 hold tightly in it, and retaining mechanism connects two clampers 4, and is locked；
Laterally disposed guide rail is provided on clamper pedestal, 4 bottom of the clamper is fixedly connected with sliding block, slider frame
On guide rail, make clamper 4 that can be moved along guide rail；
Energy converter mounting hole is offered on 4 side wall of the clamper, for installing energy converter 7；
Water cavity 8 up and down is offered in clamper 4, the water cavity 8 is connected to energy converter mounting hole.
The energy converter 7 is pressed on by energy converter hold-down bolt on core barrel 2, and guarantee energy converter 7 is tight with core barrel 7
Contiguity is touched.
In one preferred scheme, clamper base bottom install guide castor, make can assignment test platform 6 convenient for move
It is dynamic.
It, can be according to height number thereon by the height tune of each hoistable platform in addition, be carved with height number in lifting guide pillar 8
It saves consistent, meets the test of the core of different tube diameters.
The core pipe fixation structure 1 is U-shaped structure, is connected by screw thread with the arc carrying platform in support platform 3
It connects, by 2 banding of core barrel.
A kind of core acoustic profile test all parts of system preferably uses the resistant materials such as stainless steel to be process,
The corrosive environment of marine test can be resisted.Test system be separation design, the support platform, can assignment test platform it is equal
For individual component, the core of different length can be tested, to longer core without carrying out cutting process, accomplish to sink
The non-destructive testing of product object core, separation design also can be improved the adaptability to test site on ship and be aboard ship easy to put
It sets.There is elevating mechanism in support platform, a certain range of height adjusting can be carried out, the survey of the core of different tube diameters can be met
Examination, and reduce the requirement to test site flatness.Can assignment test platform can be moved axially along core barrel, support platform
The Support Position under core barrel can be changed, it can overall length test of the assignment test platform to core with realization.
The course of work that system is tested using a kind of core acoustic profile is as follows：
A, two sets of support platforms 3 are placed on to the both ends of core barrel, be used in combination core pipe fixation structure 1 to clamp core barrel solid
It is fixed；
B, by install energy converter 7 and core barrel can assignment test platform 6 be placed into test position；
C, several different parts for covering support platform 3 and being placed into core barrel are selected according to the length of core barrel；
D, the height for adjusting support platform 3 makes core barrel axially be in the same horizontal position；
E, energy converter 7 is connected into sonic apparatus, and enabling signal generator and collector, passes through energy converter transmitting and reception sound
Wave signal；
F, need to change when measuring position, can assignment test platform moved axially along core barrel, be placed into and need to measure
Position, while support platform is moved axially into certain position along core barrel and continues to support core barrel, to ensure core barrel axial direction
Still in the same horizontal position, it is again started up signal generator and collector, emits and receive acoustic signals by energy converter；
G, step 1 to 5 is repeated after same core barrel being filled distilled water, calculates velocity of sound Vp and acoustic attenuation α as follows
p：
Wherein Vw is the velocity of sound of distilled water, is received when being deposit when Δ t is is distilled water in core barrel and in core barrel
The difference then for the acoustic signals that energy converter receives, d are the internal diameter of core barrel, ew/es be in core barrel when being distilled water and
The ratio of the voltage amplitude for the signal that energy converter receives is received when being deposit in core barrel.
It is all according to equivalent change made by scope of the present invention patent the foregoing is merely the better embodiment of the present invention
With modification, it should all belong to the covering scope of patent of the present invention.
Claims (6)
1. a kind of core acoustic profile tests system, which is characterized in that it includes：
Several support platforms (3)；
It can assignment test platform (6)；
It is equipped on energy converter (7) that can be on assignment test platform (6)；
Being set up in can assignment test platform (6), the core barrel (2) in support platform (3)；
Core pipe fixation structure (1) for being fixed on core barrel (2) in support platform (3)；
The support platform (3) is provided with carrying on mechanism and elevating mechanism, and the elevating mechanism includes being set up in lifting guide pillar (8)
On lifting platform and by leading screw connect lifting platform lifting handle (5), can pass through lifting handle (5) adjust lifting platform height
Degree；
Carrying on mechanism includes arc carrying platform, for carrying core barrel (2)；.
Core barrel (2) both ends are each provided at least one support platform (3), and it is flat that core barrel (2) end is equipped on support
On platform (3), and it is fixed by core pipe fixation structure (1)；
It is supported by several support platforms (3) in the middle part of the core barrel (2)；
Can assignment test platform (6) include clamper pedestal, clamping device, retaining mechanism, wherein：
The clamping device includes retaining mechanism and symmetrically arranged two clampers (4), and two clamper (4) is by core barrel
(2) it holds tightly in it, retaining mechanism connects two clampers (4), and is locked；
Laterally disposed guide rail is provided on clamper pedestal, clamper (4) bottom is fixedly connected with sliding block, and sliding block is set up
In on guide rail, making clamper (4) that can be moved along guide rail；
Energy converter mounting hole is offered on clamper (4) side wall, for installing energy converter (7)；
Water cavity (8) up and down is offered in clamper (4), the water cavity (8) is connected to energy converter mounting hole.
2. a kind of core acoustic profile according to claim 1 tests system, which is characterized in that the energy converter (7)
It is pressed on core barrel (2) by energy converter hold-down bolt, ensures the close contact of energy converter (7) and core barrel (7).
3. a kind of core acoustic profile according to claim 1 tests system, which is characterized in that lifting guide pillar is carved on (8)
There is height number.
4. a kind of core acoustic profile according to claim 1 tests system, it is characterised in that：Clamper base bottom is pacified
Fill guide castor, make can assignment test platform (6) it is easy to remove.
5. a kind of core acoustic profile according to claim 1 tests system, it is characterised in that：The core barrel fixed knot
Structure (1) is U-shaped structure, is connected through a screw thread with the arc carrying platform in support platform (3), by core barrel (2) banding.
6. a kind of core acoustic profile test method, includes the following steps：
Two sets of support platforms (3) A, are placed on to the both ends of core barrel, are used in combination core pipe fixation structure (1) to clamp core barrel solid
It is fixed；
B, will install energy converter (7) and core barrel can assignment test platform (6) be placed into test position；
C, the different parts of core barrel are placed into according to several set support platforms (3) of the length of core barrel selection；
D, the height for adjusting support platform (3) makes core barrel axially be in the same horizontal position；
E, energy converter (7) is connected into sonic apparatus, and enabling signal generator and collector, emits and receive sound wave by energy converter
Signal；
F, need to change when measuring position, can assignment test platform moved axially along core barrel, be placed into and need the position that measures,
Support platform certain position is moved axially to along core barrel simultaneously to continue to support core barrel, with ensure core barrel it is axial still in
The same horizontal position is again started up signal generator and collector, emits and receive acoustic signals by energy converter；
G, step (1) is repeated to (5) after same core barrel being filled distilled water, calculates velocity of sound Vp and acoustic attenuation α as follows
p：
Wherein Vw is the velocity of sound of distilled water, and transducing is received when being deposit when Δ t is is distilled water in core barrel and in core barrel
The difference then for the acoustic signals that device receives, d are the internal diameter of core barrel, and ew/es is in core barrel when being distilled water and core
The ratio of the voltage amplitude for the signal that energy converter receives is received when being deposit in pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844846.1A CN108732247A (en) | 2018-07-27 | 2018-07-27 | A kind of core acoustic profile test system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810844846.1A CN108732247A (en) | 2018-07-27 | 2018-07-27 | A kind of core acoustic profile test system and method |
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| Publication Number | Publication Date |
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| CN108732247A true CN108732247A (en) | 2018-11-02 |
Family
ID=63941944
Family Applications (1)
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| CN201810844846.1A Pending CN108732247A (en) | 2018-07-27 | 2018-07-27 | A kind of core acoustic profile test system and method |
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| Country | Link |
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Application publication date: 20181102 |