CN208520818U - Seabed sediment acoustics profile survey device - Google Patents
Seabed sediment acoustics profile survey device Download PDFInfo
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- CN208520818U CN208520818U CN201821203161.0U CN201821203161U CN208520818U CN 208520818 U CN208520818 U CN 208520818U CN 201821203161 U CN201821203161 U CN 201821203161U CN 208520818 U CN208520818 U CN 208520818U
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- energy converter
- core barrel
- positioning
- block
- lifting
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Abstract
The utility model provides seabed sediment acoustics profile survey device, and device includes core barrel, energy converter clamping device, elevating mechanism, is fixedly connected between the core barrel and riser guide by core barrel positioning device and pose adjustment；It is fixedly connected between the energy converter clamping device and riser guide by energy converter positioning device and pose adjustment；The energy converter positioning device is connect by going up and down guide sleeve with riser guide, can be gone up and down along riser guide；Lifting handwheel is arranged in the elevating screw upper end, by shaking lifting handwheel, realizes the lifting of energy converter clamping device.Energy converter group is set up on riser guide by the utility model by clamping device, the lifting of energy converter group is driven by rotation and lifting handwheel, the measurement to core barrel arbitrary section may be implemented, core barrel is disposed vertically, trickling when deposit avoids stream modeling, soft modeling or be full of the deposit on marine-bottom surface measurement of water full of sample cell, substantially increases measuring accuracy.
Description
Technical field
The utility model relates to medium acoustic characteristic field of measuring technique, cut open specifically, being related to seabed sediment acoustics
Gauge.
Background technique
Seabed sediment acoustics parameter, such as speed and decaying that sound wave is propagated in deposit are that deposit sound wave passes
Theoretical basic input parameters are broadcast, the acoustic model based on theory is also required to these parameters.Obtain the sound of bottom sediment
Fast harmony attenuation profiles calculate the model of marine environment sound field, geophysical forward modeling and inverting have highly important meaning
Justice.
Seabed sediment acoustics parameter measurement techniques mainly divide three kinds, i.e., reflection/refractive profile telemetering, in situ measurement and take
Sample laboratory measurement.Reflection/refractive profile telemetry provides the bulk sound velocity on large volume stratum and estimating for attenuation coefficient
Meter belongs to the indirect method for obtaining seabed sediment acoustics property, and samples laboratory measurement and in situ measurement belongs to direct side
Method.Laboratory measurement is sampled due to technically simple, environment is controllable, is still widely used.
Obtaining in seabed for the measurement of laboratory rate of sound and attenuation of sound is usually column shaped deposit sample (core), measurement
The usual way of the velocity of sound is the transmitting transducer in columnar samples one end installation connection signal generator, and other end installation connection signal connects
The reception energy converter of receiving apparatus is really in this way that column is heavy according to the velocity of sound of columnar samples length and acoustic signals being then calculated
Bulk sound velocity on product object sample length direction；The acoustic attenuation of deposit is usually obtained using coaxial gap attenuation measurement method.
In actual experiment, there are certain defects for this method, are mainly manifested in: needing to cut out one section of sample in measurement process
Product will certainly cause to disturb to deposit in this way, and especially for the deposit of convection current modeling and soft modeling, performance is become apparent from.In addition,
The average value that its acoustic attenuation obtained is also only cut out on sample length direction, can not obtain the continuous velocity of sound of bottom sediment
Harmony attenuation profiles.
The core integrated test system (MSCL) of GEOTEK company of Britain production is although column bottom sediment can be obtained
The acoustic profile of sample, but cylindrical sample needs traverse to measure when its test, it is heavy for stream modeling, the soft submarine surface moulded or be full of water
For product object, deposit can be made to trickle, and from the point of view of sample cell cross section, deposit cannot be full of sample cell, influence to test
Precision；In addition, the acoustic transducer of core integrated test system coupled with sample cell it is not good enough.
Utility model content
In order to solve the problems, such as that current seabed sediment acoustics profile survey technology exists, it is heavy that the utility model provides seabed
Product object acoustic profile measuring device, specific technical solution are as follows:
Seabed sediment acoustics profile survey device comprising: core barrel 1, energy converter clamping device, elevating mechanism,
In:
The core barrel 1, elevating mechanism are perpendicularly fixed on core barrel positioning seat 6；The elevating mechanism includes that lifting is led
Rail 8, elevating screw 9, the riser guide 8, elevating screw 9 and core barrel 1 are arranged in parallel；
It is fixedly connected between the core barrel 1 and riser guide 8 by core barrel positioning device and pose adjustment；
It is fixedly connected and posture tune between the energy converter clamping device and riser guide 8 by energy converter positioning device
It is whole；
The energy converter positioning device is connect by going up and down guide sleeve 11 with riser guide 8, can be gone up and down along riser guide 8；
The energy converter clamping device includes two groups of grip blocks for being set to the opposite side of core barrel 1, for clamping transducing
Device group 17；The elevating screw nut 10 engaged with elevating screw 9, the elevating screw nut are provided on the elevating screw 9
10 are fixedly connected with lifting guide sleeve 11；The energy converter group 17 is connect with sonic apparatus；
Lifting handwheel 12 is arranged in 9 upper end of elevating screw, by shaking lifting handwheel 12, realizes energy converter clamping device
Lifting.
Further, the grip block of the energy converter clamping device includes that energy converter clamps upper V block 2, energy converter clamps lower V block
4；Energy converter group 17 is held on energy converter and clamps between upper V block 2, the lower V block 4 of energy converter clamping, to guarantee the transducing of different frequency
Repetitive positioning accuracy of the device group 17 in 1 axial direction of core barrel.
Further, the energy converter positioning device includes the energy converter positioning sliding block perpendicular to the setting of 8 direction of riser guide
19, energy converter positioning guide rail 20, energy converter position wing nut 18；
The energy converter positioning guide rail 20 is fixedly connected with lifting guide sleeve 11, and 20 direction of energy converter positioning guide rail is led with lifting
8 direction of rail is vertical；
Energy converter positioning sliding block 19 capable of sliding back and forth, the folder of energy converter clamping device are set on energy converter positioning guide rail 20
It holds block and is fixedly connected on energy converter positioning sliding block 19.
Further, the grip block of the energy converter clamping device is fixed on energy converter by energy converter positioning wing nut 18 and determines
On the guide rail 20 of position, its position is adjusted by energy converter positioning wing nut 18, energy converter group 17 is made to be pressed to the outer wall of core barrel 1
On, guarantee that energy converter group 17 is in the stability of 1 radial position of core barrel when measurement.
Further, the core barrel positioning device includes leading along the core barrel positioning perpendicular to the setting of 8 direction of riser guide
Rail 16, core barrel position V block 14, core barrel positioning sliding block 15；
The core barrel 1 is clamped by the core barrel positioning V block 14 of bilateral, and core barrel positions 14 rear end of V block and core barrel is fixed
Position sliding block 15 is fixedly connected；
Core barrel positioning sliding block 15 is set on core barrel positioning guide rail 16, can be slided along core barrel positioning guide rail 16, is adjusted
The position of whole core barrel positioning V block 14；
Core barrel positioning 14 front end of V block of bilateral is integrally connected and is fastened by core barrel positioning wing nut 13.
Further, the core barrel positioning seat 6 is arranged location hole, core barrel 1 by the location hole of core barrel positioning seat 6 into
Row positioning.
Further, elevating screw bearing block 7, the riser guide 8, elevating screw 9 are set on the core barrel positioning seat 6
It is fixedly connected on core barrel positioning seat 6 by elevating screw bearing block 7.
Seabed sediment acoustics profile survey device provided by the utility model, has the advantage that
One, energy converter group is set up on riser guide by the utility model by clamping device, passes through rotation and lifting handwheel
The lifting of energy converter group is driven, the measurement to core barrel arbitrary section may be implemented, core barrel is disposed vertically, and is avoided stream and is moulded, is soft
Mould or be full of water deposit on marine-bottom surface measurement when trickling problem, from the point of view of sample cell cross section, deposit be full of sample
Pipe, substantially increases measuring accuracy.
Two, energy converter positioning guide rail is fixed on lifting guide sleeve and elevating screw nut, when rotation and lifting handwheel, is risen
Drop lead screw moves up elevating screw nut, energy converter positioning guide rail, energy converter group in core barrel axis, lifting guide sleeve and lifting
The guiding role of guide rail makes energy converter group when moving, guarantees that energy converter group sense and core barrel axially retain enough and hangs down
Straight degree, and move energy converter group on the same bus of core barrel；
Three, core barrel lower part is placed on core barrel positioning seat, is machined with location hole on core barrel positioning seat, be may be implemented
The top of accurate positionin of the core barrel on core barrel positioning seat, core barrel is clamped by core barrel positioning V block.Core barrel positions V
Block is mounted on core barrel positioning sliding block, and core barrel positioning sliding block slides on core barrel positioning guide rail, guarantees that core barrel positions V
The mobile convenient and reliable property of block, high-accuracy core barrel positioning sliding block and core barrel positioning guide rail guarantee that core barrel positioning V block begins
The whole verticality with core barrel axial direction, to ensure that the accuracy of measurement.Core barrel positions V block and positions butterfly by core barrel
Nut clamps core barrel, easy to operate.
Four, above-mentioned energy converter group clamps lower V block by energy converter and energy converter clamps upper V block and clamps butterfly by energy converter
Nut is fixed on energy converter positioning sliding block, and energy converter positioning sliding block slides on energy converter positioning guide rail, and energy converter positioning is led
Rail is axially vertical with core barrel, and energy converter group sense is parallel with energy converter positioning sliding block glide direction, this structure can guarantee
Repetitive positioning accuracy of the energy converter group of different frequency in core barrel axial direction, at the same also ensure energy converter group sense with
The verticality of core barrel axial direction.Energy converter positioning wing nut is fixed on energy converter positioning guide rail, and precession energy converter positions butterfly
Energy converter group can be pressed on core barrel by shape nut, guarantee stability of the energy converter group in measuring device when measurement.
Detailed description of the invention
Attached drawing 1 is the main view of the utility model；
Attached drawing 2 is the top view of the utility model core barrel connecting portion；
Attached drawing 3 is the top view of the energy converter group connecting portion of the utility model.
Figure label:
Core barrel 1, energy converter clamp upper V block 2, energy converter clamping wing nut 3, energy converter and clamp lower V block 4, energy converter
Grip seat 5, core barrel positioning seat 6, elevating screw bearing block 7, riser guide 8, elevating screw 9, elevating screw nut 10,
Go up and down guide sleeve 11, lifting handwheel 12, core barrel positioning wing nut 13, core barrel positioning V block 14, core barrel positioning sliding block 15,
Core barrel positioning guide rail 16, energy converter group 17, energy converter positioning wing nut 18, energy converter positioning sliding block 19, energy converter positioning
Guide rail 20.
Specific embodiment
With reference to the accompanying drawing and seabed sediment acoustics profile survey of the embodiments of the present invention to the utility model
Device is described in further detail.
Referring to Fig.1, seabed sediment acoustics profile survey device comprising: core barrel 1, energy converter clamping device, lifting
Mechanism, in which: the core barrel 1, elevating mechanism are perpendicularly fixed on core barrel positioning seat 6；The elevating mechanism includes lifting
Guide rail 8, elevating screw 9, the riser guide 8, elevating screw 9 and core barrel 1 are arranged in parallel；The core barrel 1 is led with lifting
It is fixedly connected between rail 8 by core barrel positioning device and pose adjustment；The energy converter clamping device and riser guide 8 it
Between be fixedly connected by energy converter positioning device and pose adjustment；The energy converter positioning device is by lifting guide sleeve 11 and rises
It drops guide rail 8 to connect, can be gone up and down along riser guide 8；The energy converter clamping device include be set to core barrel 1 opposite side two
Group grip block, for clamping energy converter group 17；The elevating screw spiral shell engaged with elevating screw 9 is provided on the elevating screw 9
Mother 10, the elevating screw nut 10 are fixedly connected with lifting guide sleeve 11；The energy converter group 17 is connect with sonic apparatus；The liter
It drops 9 upper end of lead screw and lifting handwheel 12 is set, by shaking lifting handwheel 12, realize the lifting of energy converter clamping device.One excellent
In the scheme of choosing, elevating screw bearing block 7 is set, and the riser guide 8, elevating screw 9 pass through on the core barrel positioning seat 6
Elevating screw bearing block 7 is fixedly connected on core barrel positioning seat 6.
Referring to Fig. 3, the grip block of the energy converter clamping device includes that energy converter clamps upper V block 2, energy converter clamps lower V
Block 4；Energy converter group 17 is held on energy converter and clamps between upper V block 2, the lower V block 4 of energy converter clamping, to guarantee changing for different frequency
It can repetitive positioning accuracy of the device group 17 in 1 axial direction of core barrel.Wherein, the energy converter positioning device includes leading perpendicular to lifting
Energy converter positioning sliding block 19, energy converter positioning guide rail 20, the energy converter of 8 direction of rail setting position wing nut 18；The transducing
Device positioning guide rail 20 is fixedly connected with lifting guide sleeve 11, and 20 direction of energy converter positioning guide rail is vertical with 8 direction of riser guide；Transducing
Energy converter positioning sliding block 19 capable of sliding back and forth is set on device positioning guide rail 20, and the grip block of energy converter clamping device is fixedly connected
In energy converter positioning sliding block 19.
In one preferred scheme, the grip block of the energy converter clamping device is fixed by energy converter positioning wing nut 18
In on energy converter positioning guide rail 20, its position is adjusted by energy converter positioning wing nut 18, energy converter group 17 is made to be pressed to core
On the outer wall of pipe 1, guarantee that energy converter group 17 is in the stability of 1 radial position of core barrel when measurement.
Referring to Fig. 2, the core barrel positioning device includes leading along the core barrel positioning perpendicular to the setting of 8 direction of riser guide
Rail 16, core barrel position V block 14, core barrel positioning sliding block 15；The core barrel 1 is clamped by the core barrel positioning V block 14 of bilateral,
Core barrel positioning 14 rear end of V block is fixedly connected with core barrel positioning sliding block 15；It is fixed that core barrel positioning sliding block 15 is set to core barrel
It on the guide rail 16 of position, can be slided along core barrel positioning guide rail 16, the position of adjustment core barrel positioning V block 14；The core barrel of bilateral is fixed
V block 14 front end in position is integrally connected and is fastened by core barrel positioning wing nut 13.
In one preferred embodiment, location hole is arranged in the core barrel positioning seat 6, and core barrel 1 passes through core barrel positioning seat 6
Location hole is positioned.
It is measured using the seabed sediment acoustics profile survey device of the utility model, detailed process is as follows:
S1: measuring device is put into water-filled water tank, and 1 lower part of core barrel equipped with sediment sample is put into core
In the location hole of pipe positioning seat 6, mobile core barrel positioning V block 14 positions core barrel top, and positions butterfly spiral shell with core barrel
Mother 13 clamps core barrel positioning V block 14 and core barrel；
Energy converter group 17: being mounted on that energy converter clamps upper V block 2 and energy converter clamps between lower V block 4 by S2, and by transducing
Device clamping wing nut 18 is tightened；
S3: wing nut 18 is positioned by precession energy converter, is pressed to energy converter group 17 on the outer wall of core barrel 1；
S4: energy converter group 17 is moved to a certain height position of core barrel 1 according to testing program by rotation and lifting handwheel 12
It sets；
S5: starting sonic apparatus acquires signal；
S6: same core barrel is filled and is again started up sonic apparatus after distilled water and measures, and calculates the velocity of sound and acoustic attenuation；
Velocity of sound Vp harmony attenuation alphapIt calculates as follows:
Wherein VwFor 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/esWhen to be distilled water in core barrel and rock
The ratio of the voltage amplitude for the signal that energy converter receives is received when being deposit in core pipe.
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 (7)
1. seabed sediment acoustics profile survey device, characterized in that it comprises: core barrel (1), energy converter clamping device,
Elevating mechanism, in which: the core barrel (1), elevating mechanism are perpendicularly fixed on core barrel positioning seat (6)；The elevating mechanism
Including riser guide (8), elevating screw (9), the riser guide (8), elevating screw (9) and core barrel (1) are arranged in parallel；
It is fixedly connected between the core barrel (1) and riser guide (8) by core barrel positioning device and pose adjustment；
It is fixedly connected and posture tune between the energy converter clamping device and riser guide (8) by energy converter positioning device
It is whole；
The energy converter positioning device is connect by going up and down guide sleeve (11) with riser guide (8), can be gone up and down along riser guide (8)；
The energy converter clamping device includes two groups of grip blocks for being set to the opposite side of core barrel (1), for clamping energy converter
Group (17)；The elevating screw nut (10) engaged with elevating screw (9), the lifting silk are provided on the elevating screw (9)
Thick stick nut (10) is fixedly connected with lifting guide sleeve (11)；The energy converter group (17) connect with sonic apparatus；
Lifting handwheel (12) are arranged in elevating screw (9) upper end, by shaking lifting handwheel (12), realize energy converter clamping machine
The lifting of structure.
2. seabed sediment acoustics profile survey device according to claim 1, which is characterized in that the energy converter clamping
The grip block of mechanism includes that energy converter clamps upper V block (2), energy converter clamps lower V block (4)；Energy converter group (17) is held on transducing
Device clamps upper V block (2), energy converter clamps between lower V block (4), to guarantee the energy converter group (17) of different frequency in core barrel (1)
Repetitive positioning accuracy in axial direction.
3. seabed sediment acoustics profile survey device according to claim 2, which is characterized in that the energy converter positioning
Device includes energy converter positioning sliding block (19), the energy converter positioning guide rail (20), transducing perpendicular to the setting of riser guide (8) direction
Device positions wing nut (18)；
The energy converter positioning guide rail (20) is fixedly connected with lifting guide sleeve (11), energy converter positioning guide rail (20) direction and lifting
Guide rail (8) direction is vertical；
Energy converter positioning sliding block (19) capable of sliding back and forth, the folder of energy converter clamping device are set on energy converter positioning guide rail (20)
It holds block and is fixedly connected on energy converter positioning sliding block (19).
4. seabed sediment acoustics profile survey device according to claim 3, which is characterized in that the energy converter clamping
The grip block of mechanism is fixed on energy converter positioning guide rail (20) by energy converter positioning wing nut (18), positions butterfly by energy converter
Shape nut (18) adjusts its position, is pressed to energy converter group (17) on the outer wall of core barrel (1), guarantees energy converter group when measurement
(17) in the stability of core barrel (1) radial position.
5. seabed sediment acoustics profile survey device according to claim 1, which is characterized in that the core barrel positioning
Device includes positioning V block (14), rock along core barrel positioning guide rail (16), the core barrel perpendicular to the setting of riser guide (8) direction
Core pipe positioning sliding block (15)；
The core barrel (1) is clamped by core barrel positioning V block (14) of bilateral, and core barrel positions V block (14) rear end and core barrel
Positioning sliding block (15) is fixedly connected；
Core barrel positioning sliding block (15) is set on core barrel positioning guide rail (16), can be slided along core barrel positioning guide rail (16),
Adjust the position of core barrel positioning V block (14)；
Core barrel positioning V block (14) front end of bilateral is integrally connected and is fastened by core barrel positioning wing nut (13).
6. seabed sediment acoustics profile survey device according to claim 1, which is characterized in that the core barrel positioning
Location hole is arranged in seat (6), and core barrel (1) is positioned by the location hole of core barrel positioning seat (6).
7. seabed sediment acoustics profile survey device according to claim 1, which is characterized in that the core barrel positioning
Elevating screw bearing block (7) are set on seat (6), the riser guide (8), elevating screw (9) pass through elevating screw bearing block (7)
It is fixedly connected on core barrel positioning seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203161.0U CN208520818U (en) | 2018-07-27 | 2018-07-27 | Seabed sediment acoustics profile survey device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821203161.0U CN208520818U (en) | 2018-07-27 | 2018-07-27 | Seabed sediment acoustics profile survey device |
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| Publication Number | Publication Date |
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| CN208520818U true CN208520818U (en) | 2019-02-19 |
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ID=65333887
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| CN201821203161.0U Active CN208520818U (en) | 2018-07-27 | 2018-07-27 | Seabed sediment acoustics profile survey device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760888A (en) * | 2018-07-27 | 2018-11-06 | 国家海洋局第海洋研究所 | Seabed sediment acoustics profile survey device and method |
| CN112557514A (en) * | 2020-12-22 | 2021-03-26 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
| CN113866269A (en) * | 2021-09-16 | 2021-12-31 | 中国科学院南海海洋研究所 | Vertical cross section layered acoustic measurement system and method |
| CN113866275A (en) * | 2021-10-29 | 2021-12-31 | 广东工业大学 | Automatic acoustic layered measurement system and measurement method |
-
2018
- 2018-07-27 CN CN201821203161.0U patent/CN208520818U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760888A (en) * | 2018-07-27 | 2018-11-06 | 国家海洋局第海洋研究所 | Seabed sediment acoustics profile survey device and method |
| CN112557514A (en) * | 2020-12-22 | 2021-03-26 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
| CN112557514B (en) * | 2020-12-22 | 2021-09-21 | 中国海洋大学 | Hand-held type submarine sediment sample section acoustics full-automatic measuring device |
| CN113866269A (en) * | 2021-09-16 | 2021-12-31 | 中国科学院南海海洋研究所 | Vertical cross section layered acoustic measurement system and method |
| CN113866269B (en) * | 2021-09-16 | 2024-07-09 | 中国科学院南海海洋研究所 | Vertical cross section layered acoustic measurement system and method |
| CN113866275A (en) * | 2021-10-29 | 2021-12-31 | 广东工业大学 | Automatic acoustic layered measurement system and measurement method |
| CN113866275B (en) * | 2021-10-29 | 2023-08-01 | 广东工业大学 | Automatic acoustic layering measurement system and measurement method |
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