CN208520815U - One kind can water coincidence core parameters,acoustic test platform - Google Patents
One kind can water coincidence core parameters,acoustic test platform Download PDFInfo
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- CN208520815U CN208520815U CN201821205051.8U CN201821205051U CN208520815U CN 208520815 U CN208520815 U CN 208520815U CN 201821205051 U CN201821205051 U CN 201821205051U CN 208520815 U CN208520815 U CN 208520815U
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Abstract
The utility model provides one kind can water coincidence core parameters,acoustic test platform, comprising: clamper pedestal, core barrel, clamping device, retaining mechanism, energy converter, wherein: the clamping device includes retaining mechanism and symmetrically arranged two clampers, two clamper holds core barrel in it tightly, retaining mechanism connects two clampers, and is locked；Energy converter mounting hole is offered on the clamper side wall, for installing energy converter；Water cavity up and down is offered in clamper, the water cavity is connected to energy converter mounting hole；Transducer seal is set between energy converter and water cavity, clamper axial seal, clamper radial seal are set between core barrel and water cavity, guarantees water cavity sealing.It is small in size using cross-species transferability, it occupies little space, it is easy to operate, the coupling of core barrel and energy converter is substantially increased, acoustic wave transducer can have both been clamped and core is measured, can also be matched according to demand with other test platforms and parameters,acoustic test is carried out to core.
Description
Technical field
The utility model relates to medium acoustic characteristic field of measuring technique, specifically, being related to one kind can water coincidence core
Parameters,acoustic test platform.
Background technique
The parameters,acoustic of sediment, such as speed and decaying that sound wave is propagated in substrate, 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 measurement.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 are generallyd use
Measure its parameters,acoustic:
Its sound directly is measured with the method for two end in contact of Sediment Cores first is that emitting using sound wave and receiving energy converter
Learn parameter；
Second is that being joined using the method that sound wave emits and receives in transducer probe insertion Sediment Cores to measure its acoustics
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 is contacted respectively with energy converter is received with core barrel radially opposite sides, Sediment Cores will not be caused to disturb, therefore become first choice
Parameters,acoustic test method, but in actual measurement, the coupling of acoustic wave transducer and core barrel is not good enough, influences measurement accuracy.
Utility model content
To solve the above-mentioned problems, the utility model provide one kind can water coincidence core parameters,acoustic test platform, tool
The technical solution of body is as follows:
One kind can water coincidence core parameters,acoustic test platform comprising: clamper pedestal 2, core barrel 1, clamping device,
Retaining mechanism 5, energy converter 4, in which:
The clamping device includes retaining mechanism 5 and symmetrically arranged cross section is in two folders of " [", "] " shape respectively
Holder 6, two clamper 6 hold core barrel 1 in it tightly, and retaining mechanism 5 connects two clampers 6, and is locked；
Laterally disposed guide rail 11 is provided on clamper pedestal 2,6 bottom of clamper is fixedly connected with sliding block 12,
Sliding block 12 is set up on guide rail 11, move clamper 6 can along guide rail 11；
Energy converter mounting hole 601 is offered on 6 side wall of clamper, for installing energy converter 4；
Water cavity 8 up and down is offered in clamper 6, the water cavity 8 is connected to energy converter mounting hole 601；
Transducer seal 9 is set between energy converter 4 and water cavity 8, retainer shaft is set between core barrel 1 and water cavity 8 to close
14, clamper radial seal 15 are sealed, guarantee water cavity sealing.
Further, the energy converter 4 is pressed on core barrel 7 by energy converter hold-down bolt 10, guarantees energy converter 4 and rock
The close contact of core pipe 7.
Further, water receiver 13 being set in the clamper pedestal 2,8 lower end of water cavity is provided with discharge device 3,
When replacing energy converter 4, the water in water cavity 8 can flow in water receiver 13 via discharge device 3.
Further, guide castor 1 is installed in 2 bottom of clamper pedestal, keeps whole device easy to remove.
Further, the transducer seal 9 is rubber seal.
One kind provided by the utility model can water coincidence core parameters,acoustic test platform, have the advantage that
One, after thering is water cavity, water cavity to be full of water between energy converter and core barrel, make energy converter and core barrel good coupling, water
Chamber guarantees its watertightness, two gripper cores by transducer seal, clamper axial seal, clamper radial seal
Pipe, and is locked by retaining mechanism, adjusts the tightness of retaining mechanism, the frictional force between adjustable sealing and core barrel,
It is allowed to both can guarantee watertightness, test platform can also be enable to slide axially along core barrel, to realize the section of core parameters,acoustic
Measurement；
Two, clamper 6 has two pieces, is symmetrically distributed in 7 two sides of core barrel, easy to disassemble and installation；It opens and closes shift action
Guiding is provided by guide rail 11 and sliding block 12, energy converter is made to remain higher concentricity, guarantees that energy converter 4 precisely aligns,
Improve the convenience of operation；
Three, water cavity lower end is provided with discharge device, can be via eduction valve goalkeeper's water aerial drainage to storage when needing replacing energy converter
In hydrophone, the convenient recycling to water；
Four, one kind of the utility model can water coincidence core parameters,acoustic test platform, using cross-species transferability, volume
It is small, occupy little space, it is easy to operate, acoustic wave transducer can be clamped, core is measured, can also according to demand with other surveys
Examination platform, which is matched, carries out parameters,acoustic test to core.
Detailed description of the invention
Attached drawing 1 is can water coincidence core parameters,acoustic test platform front section view；
Attached drawing 2 is holder structure schematic diagram；
Figure label:
Guide castor 1, clamper pedestal 2, aerial drainage valve 3, energy converter 4, retaining mechanism 5, clamper 6, core barrel 7, water
Chamber 8, transducer seal 9, energy converter hold-down bolt 10, guide rail 11, sliding block 12, water receiver 13, clamper axial seal 14, clamping
Device radial seal 15.
Specific embodiment
With reference to the accompanying drawing and the embodiments of the present invention can water coincidence core acoustics ginseng to one kind of the utility model
Number test platform is described in further detail.
One kind can water coincidence core parameters,acoustic test platform comprising: clamper pedestal 2, core barrel 1, clamping device,
Retaining mechanism 5, energy converter 4, in which: clamper (6)
The clamping device includes retaining mechanism 5 and symmetrically arranged cross section is in two folders of " [", "] " shape respectively
Holder 6, two clamper 6 hold core barrel 1 in it tightly, and retaining mechanism 5 connects two clampers 6, and is locked；Locking
Mechanism 5 preferably uses clamping screw.
Laterally disposed guide rail 11 is provided on clamper pedestal 2,6 bottom of clamper is fixedly connected with sliding block 12,
Sliding block 12 is set up on guide rail 11, move clamper 6 can along guide rail 11；
Energy converter mounting hole 601 is offered on 6 side wall of clamper, for installing energy converter 4；One preferred scheme
In, the energy converter 4 is pressed on core barrel 7 by energy converter hold-down bolt 10, and guarantee energy converter 4 is close with core barrel 7
Contact.
Water cavity 8 up and down is offered in clamper 6, the water cavity 8 is connected to energy converter mounting hole 601；
Transducer seal 9 is set between energy converter 4 and water cavity 8, retainer shaft is set between core barrel 1 and water cavity 8 to close
14, clamper radial seal 15 are sealed, guarantee water cavity sealing.
In addition, water receiver 13 is arranged in the clamper pedestal 2,8 lower end of water cavity is provided with discharge device 3,
When replacing energy converter 4, the water in water cavity 8 can flow in water receiver 13 via discharge device 3.
Guide castor 1 is installed in 2 bottom of clamper pedestal, keeps whole device easy to remove.
In one preferred embodiment, the transducer seal 9, clamper axial seal 14, clamper radial seal 15 are rubber
Glue sealing ring.
In this platform, all components are process by resistant materials such as stainless steels, can resist the corrosion of marine test
Environment.
Test platform uses cross-species transferability, both independently can carry out parameters,acoustic test to the core in core barrel 7, can also
Parameters,acoustic test is carried out to the core in core barrel 7 with the cooperation of other equipment.
Using one kind can water coincidence core parameters,acoustic test platform carry out parameters,acoustic test when, comprising the following steps:
(1) core barrel to be measured is lying on test platform；
(2) two pieces clamper is held tightly on core barrel with retaining mechanism；
It (3) will be in the location hole of energy converter merging clamper；
(4) water cavity is full of water, eliminates the gap of energy converter and core barrel；
(5) energy converter is pressed on core tube wall with energy converter hold-down bolt；
(6) energy converter is connected into sonic apparatus, enabling signal generator and collector, passes through the transmitting of hair energy converter and reception sound
Wave signal；
(7) step (1) to (6) is repeated after same core barrel being filled distilled water, calculates velocity of sound Vp and sound as follows
Attenuation alpha p:
Wherein Vw is the velocity of sound of distilled water, reception 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 made according to the patent scope of the utility model the foregoing is merely the better embodiment of the utility model
Equivalent changes and modifications should all belong to the covering scope of the utility model patent.
Claims (5)
1. one kind can water coincidence core parameters,acoustic test platform, characterized in that it comprises: clamper pedestal (2), core
Pipe, clamping device, retaining mechanism (5), energy converter (4), in which:
The clamping device includes retaining mechanism (5) and symmetrically arranged cross section is in two clampings of " [", "] " shape respectively
Device (6), two clamper (6) hold core barrel in it tightly, and retaining mechanism (5) connects two clampers (6), and is locked
Tightly；
It is provided on clamper pedestal (2) laterally disposed guide rail (11), clamper (6) bottom is fixedly connected with sliding block
(12), sliding block (12) is set up on guide rail (11), keeps clamper (6) mobile along guide rail (11)；
Energy converter mounting hole (601) are offered on clamper (6) side wall, for installing energy converter (4)；
Water cavity (8) up and down is offered in clamper (6), the water cavity (8) is connected to energy converter mounting hole (601)；
Between energy converter (4) and water cavity (8) be arranged transducer seal (9), between core barrel and water cavity (8) setting retainer shaft to
(14), clamper radial seal (15) are sealed, guarantee water cavity sealing.
2. one kind according to claim 1 can water coincidence core parameters,acoustic test platform, which is characterized in that described changes
Energy device (4) is pressed on core barrel (7) by energy converter hold-down bolt (10), guarantees that energy converter (4) connect with the close of core barrel (7)
Touching.
3. one kind according to claim 1 can water coincidence core parameters,acoustic test platform, it is characterised in that: the clamping
Water receiver (13) are set in device pedestal (2), the water cavity (8) lower end is provided with discharge device (3), in replacement energy converter (4)
When, the water in water cavity (8) can flow in water receiver (13) via discharge device (3).
4. one kind according to claim 1 can water coincidence core parameters,acoustic test platform, it is characterised in that: clamper bottom
Seat (2) bottom installation guide castor (1), keeps whole device easy to remove.
5. one kind according to claim 1 can water coincidence core parameters,acoustic test platform, it is characterised in that: the transducing
It is rubber seal that device, which seals (9),.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205051.8U CN208520815U (en) | 2018-07-27 | 2018-07-27 | One kind can water coincidence core parameters,acoustic test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821205051.8U CN208520815U (en) | 2018-07-27 | 2018-07-27 | One kind can water coincidence core parameters,acoustic test platform |
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| Publication Number | Publication Date |
|---|---|
| CN208520815U true CN208520815U (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821205051.8U Active CN208520815U (en) | 2018-07-27 | 2018-07-27 | One kind can water coincidence core parameters,acoustic test platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760886A (en) * | 2018-07-27 | 2018-11-06 | 国家海洋局第海洋研究所 | One kind can water coincidence core parameters,acoustic test platform |
-
2018
- 2018-07-27 CN CN201821205051.8U patent/CN208520815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760886A (en) * | 2018-07-27 | 2018-11-06 | 国家海洋局第海洋研究所 | One kind can water coincidence core parameters,acoustic test platform |
| CN108760886B (en) * | 2018-07-27 | 2024-08-13 | 国家海洋局第一海洋研究所 | But water coupling core acoustic parameter test platform |
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