CN103067818A - Hydraulic driving system of acoustical generator underwater - Google Patents
Hydraulic driving system of acoustical generator underwater Download PDFInfo
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- CN103067818A CN103067818A CN2012105947494A CN201210594749A CN103067818A CN 103067818 A CN103067818 A CN 103067818A CN 2012105947494 A CN2012105947494 A CN 2012105947494A CN 201210594749 A CN201210594749 A CN 201210594749A CN 103067818 A CN103067818 A CN 103067818A
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- 239000003921 oil Substances 0.000 claims abstract description 66
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 10
- 239000002828 fuel tank Substances 0.000 claims description 46
- 239000012530 fluid Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 abstract description 10
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000002706 hydrostatic effect Effects 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- -1 compensator Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 210000000664 rectum Anatomy 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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Abstract
The invention discloses a hydraulic driving system of an acoustical generator underwater. The system utilizes high pressure hydraulic oil as a motive power source and controls more than two independent oil cylinders to be served as vibration output, each oil cylinder corresponds to an acoustic radiation element of the acoustical generator, so that a great deal of output is achieved. Meanwhile, each oil cylinder is controlled by two high-speed magnetic valves, so that connection control of flow quality is achieved, and due to the fact that the high-speed magnetic valves are high in response speed, the problems that a traditional hydraulic system is low in the response speed and cannot adapt to high-frequency driving are solved. The high-speed magnetic valves are high in response speed, high in reliability, simple in structure, small in size, low in failure rate and not high in requirements on clean degree of the hydraulic oil, besides, pressure drop on the valves is large, and interference problem cannot occur under a double-driving model. The hydraulic driving system of the acoustical generator underwater is capable of knocking a membrane board to radiate high-frequency sound fields, and therefore a range of a radiated sound field of the hydrostatic drive acoustical generator is expanded to high frequency.
Description
Technical field
Invention relates to a kind of fluid power system, is specifically related to a kind of fluid power system of acoustical generator under water.
Background technology
In the sound mine-clearing operation, acoustical generator is elementary cell under water, and its kind mainly contains mechanical-vibration type, hydraulic drive type, electrodynamic type, piezoelectricity or magnetostriction type etc.It is large that the hydraulic drive type acoustical generator has hydraulic energy power/weight ratio, can produce very strong low frequency (comprising infrasonic sound) sound field, the low frequency vocality is strong, the all-bottom sound source class can surpass 190dB, and can realize the control of underwateracoustic field spectrum by control hydraulic oil, obtain the low frequency of certain frequency range scope, the advantages such as radiated sound field of high sound level, be widely applied.
Mainly there is following shortcoming in existing hydraulic pressure acoustical generator:
(1) can't produce effective high frequency sound field
Present hydraulic pressure acoustical generator all adopts high pressure fuel source as power source, and stiff piston is as the radiation fields device.Compare with power driven system, the hydraulic system response is slower, can't adapt to the requirement of high-frequency drive.And the high frequency sound field of stiff piston radiator response has stronger directive property, can't satisfy the requirement of mine-clearing operation.
(2) physical dimension and weight are all larger
The elements such as the fuel tank of existing hydraulic pressure acoustical generator drive system, oil pump independently arrange, pipeline is more, the cabling complexity, so that acoustical generator size, weight are all larger, range of application is restricted.
(3) system complex is used inconvenience
Existing fluid power system adopts servo control mode, and is very high to the filtering accuracy requirement of hydraulic oil, causes and uses complexity of preparation, often needs the precision of Multi-channel filtering operation guarantee hydraulic oil.In addition, existing fluid power system needs more auxiliary unit finish main functionality, such as heat abstractor independently, has increased length and the complexity of system pipeline, has also reduced system effectiveness.
(4) the movement output form is single
Existing fluid power system only possesses the output of single movement form.
Summary of the invention
In view of this, the invention provides a kind of fluid power system of acoustical generator under water, its compact conformation, size are little, lightweight, good heat dissipation, can provide multiple vibration output, thereby solve the shortcoming of existing common fluid power system.
This under water the fluid power system of acoustical generator comprise housing, oil sources, vibrate oil cylinder more than two; Ancillary equipment is acoustical generator under water more than two; Described each one of hydraulic oil cylinder driving of vibration is the sound radiant element of acoustical generator under water.
Described oil sources comprises: motor, pressure compensator, fuel tank, blast pipe and hydraulic pump; On the axial end of fuel tank one side, be fixed with respectively motor, blast pipe and two identical pressure compensators; The output shaft of described motor is connected with the hydraulic pump that is positioned at fuel tank by shaft coupling, and described two pressure compensators are positioned at the same level position.
Described vibration oil cylinder comprises cylinder body flange, cylinder body, leading to flange, piston rod, position detecting device and high-speed electromagnetic valve.Piston rod in the described cylinder body is divided into rod chamber and rodless cavity two parts with cylinder body, and is at the affixed cylinder body flange of axial end of cylinder body rodless cavity place end, affixed leading to flange at the axial end of cylinder body rod chamber place end.Be provided with oil-out and two oil-ins that connect with rodless cavity that connect with rodless cavity on the end face of described cylinder body rodless cavity place side, described each oil-in place connects a high-speed electromagnetic valve, is used for motion frequency and the stroke of control piston bar; Described high-speed electromagnetic valve is fixed on the cylinder body; Described position detecting device is fixed on the cylinder body, is used for the displacement of monitoring piston rod.
The integrated connection of this fluid power system is: described housing is column construction, and it is coaxial affixed with housing that fuel tank is fixed with the axial end of motor; Described more than two the vibration oil cylinder be specially along axially being fixed on successively in the housing of housing: each vibration oil cylinder is fixed in the housing by cylinder body flange and support, and axially vertical and housing axial of piston in the vibration oil cylinder.Be processed with the motion hole of piston rod on the housing at the correspondence position of each vibration cylinder piston rod, each piston rod drives a sound radiant element of acoustical generator under water; The end face that is connected side at fuel tank with housing is provided with oil-out and oil-in, and two oil-ins on described each cylinder body respectively are connected with oil-out on the fuel tank by in-line; Oil-out on described each cylinder body is connected with oil-in on the fuel tank by fuel-displaced pipeline.
The external diameter of fuel tank is consistent with the external diameter of housing in the described oil sources.
Described fuel tank bottom is provided with horizontal string section.
Described hydraulic pump adopts the gear pump form.
Described leading junction to flange and cylinder body arranges sealing ring.
Connecting fuel tank all adopts diameter to be not less than the flexible pipe of 20mm with fuel-displaced pipeline and the in-line that the vibration oil cylinder is connected.
The axial direction of described each vibration cylinder piston rod is all inconsistent.
Described position detecting device is non-contact displacement transducer.
Beneficial effect:
(1) adopt the high pressure liquid force feed as power source, control more than two independently oil cylinder as vibration output, the sound radiant element of the corresponding acoustical generator of each oil cylinder, thus realize a plurality of outputs; Simultaneously each oil cylinder adopts two high-speed electromagnetic valves controls, realizes the connection control of flow, and the high-speed electromagnetic valve fast response time, has solved the conventional hydraulic response slower, can't adapt to the problem of high-frequency drive.The high-speed electromagnetic valve fast response time, reliability is high, simple in structure, volume is little, failure rate is low, less demanding to the cleannes of hydraulic oil, and the pressure drop on the valve is larger, can interference problem not occur under two drive patterns.Fluid power system of the present invention can be knocked lamina membranacea radiation high frequency sound field, thus to High-Frequency Expanding the radiated sound field scope of hydraulic-driven acoustical generator.
(2) fuel tank among the present invention independently becomes section, the coaxial end that is fixed on the drive system housing, and its external diameter is consistent with housing, as the part of housing.Adopt this mode, fuel tank can directly contact with cold water, has improved heat dissipation environment, does not need extra heat abstractor, has simplified system, reduces simultaneously system dimension, has reduced weight.Simultaneously at Hydraulic Elements such as the built-in hydraulic pump of fuel tank, compensator, oil filter, overflow valves, this arrangement: the one, reduced taking of space, significantly reduce size; The 2nd, so that the oil suction of hydraulic pump is more smooth and easy, improve systematic function; The 3rd, can utilize the oil in the fuel tank to dispel the heat, be conducive to the work of hydraulic pump.
(3) high-speed electromagnetic valve and the oil cylinder of control oil cylinder are installed together, and this more compact structure has improved the response speed of valve-controlled cylinder simultaneously, is conducive to improve the control performance of hydraulic cylinder.
(4) at fuel tank special blast pipe is set, can controls the content of gas initial condition, the again operating process of exhaust after the long-time placement of cooperation drains the gas in the closed system as far as possible, reduces the performance impact to control system.
(5) pipeline that connects fuel tank and cylinder body adopts diameter to be not less than the large latus rectum flexible pipe of 20mm, can play the effect of accumulator, has simplified system, has reduced system element.
(6) adopt two identical pressure compensators of size to make the pressure of closed type hydraulic system inside be greater than or equal to ambient pressure at fuel tank and prevent hydraulic fluid leak, can also satisfy volume-variation relatively rapidly and the needs of system starting process, can satisfy the requirement of compensation rate, also can satisfy the requirement of dynamic quality.
Description of drawings
Fig. 1 is the schematic diagram of fluid power system of the present invention;
Fig. 2 is the structural representation of fluid power system of the present invention;
Fig. 3 is the front view of oil sources;
Fig. 4 is the front view of vibration oil cylinder;
Fig. 5 is the left view of vibration oil cylinder.
Wherein: 1-oil sources, 2-vibration oil cylinder A, 3-vibration oil cylinder B, 4-motor, 5-pressure compensator, 6-fuel tank, 7-blast pipe, 8-hydraulic pump, 9-cylinder body flange, 10-cylinder body, 11-sealing ring, 12-are leading to flange, 13-piston rod, 14-position monitoring device, 15-high-speed electromagnetic valve, 16-housing.
Embodiment
Below in conjunction with the accompanying drawing embodiment that develops simultaneously, describe the present invention.
The clearance that the present embodiment the provides New type driving system of acoustical generator, by two oil cylinders of high pressure fuel source control, the principle of this fluid power system as shown in Figure 1, adopt the high pressure liquid force feed as power source, control two independently oil cylinder drive respectively the sound radiant element of two acoustical generators as vibration output.The sound radiant element of acoustical generator A is stiff piston in the present embodiment, and the sound radiant element of acoustical generator B is lamina membranacea.By the independent control to two vibration oil cylinders, two kinds of output types can be provided, drive stiff piston by vibration oil cylinder A and obtain the low frequency radiation sound field, knock lamina membranacea by vibration oil cylinder B and obtain the high frequency radiation sound field, thus to High-Frequency Expanding the radiated sound field scope of hydraulic-driven acoustical generator.
Based on the fluid power system of acoustical generator under water of this principle as shown in Figure 2, comprise housing 16, oil sources 1, vibration oil cylinder A2, vibration oil cylinder B3.Wherein vibrate the sound radiant element (stiff piston) that oil cylinder A2 drives acoustical generator A, vibration oil cylinder B3 drives the sound radiant element (lamina membranacea) of acoustical generator B.
The structure of oil sources 1 comprises motor 4, pressure compensator 5, fuel tank 6, oiling blast pipe 7 and hydraulic pump 8 as shown in the figure.Wherein fuel tank 6 independently becomes section, the coaxial end that is fixed on drive system housing 16, and fuel tank 6 is conformal with housing 16, as the part of housing 16.Adopt this mode, fuel tank 6 can directly contact with cold water, has improved heat dissipation environment, does not need extra heat abstractor, has simplified system, reduces simultaneously system dimension, has reduced weight.Simultaneously at hydraulic units such as fuel tank 6 built-in hydraulic pumps, compensator, oil filter, overflow valves, this arrangement: the one, reduced taking of space, significantly reduce size; The 2nd, so that the oil suction of hydraulic pump is more smooth and easy, improve systematic function; The 3rd, can utilize the oil in the fuel tank to dispel the heat, be conducive to the work of hydraulic pump.The built-in Hydraulic Elements of fuel tank need and should be hedged off from the outer world, and realize sealing function by pressure compensator sealing, the sealing of fuel tank end, motor shaft end seal, and concrete seal form is rubber seal.
The profile of fuel tank 6 is not wholecircle shape simultaneously, is provided with horizontal string section in its underpart, and slot milling is linked up with the cable and the compressed gas that make things convenient for fuel tank 6 left and right sides.Motor 4, two identical pressure compensators 5 of size are connected with blast pipe and are arranged in fuel tank 6 and are connected on the axial end of side with housing 16.Wherein the output shaft of motor 4 links to each other with the hydraulic pump 8 that is positioned at fuel tank 6 by shaft coupling, and motor 4 provides power for whole hydraulic system.Hydraulic pump 8 adopts the gear pump form, and is simple in structure, failure rate is low.The function of pressure compensator 5 is the pressure of fuel tank 6 inside is kept above or equals ambient pressure, improves the sealing effectiveness of system.The same level position is provided with two pressure compensators 5 that size is identical on fuel tank 6, and pressure compensator 5 can satisfy the requirement of compensation rate, can satisfy again the requirement of dynamic quality.The function of blast pipe 7 is to cooperate special oiling device, makes system just can control the content of gas in the oil duct in initial condition; Can cooperate simultaneously the again operating process of exhaust after the long-time placement, the gas in this closed system is drained as far as possible.The end face that is connected side at fuel tank 6 with housing 16 is provided with oil-out and oil-in.
The structure of vibration oil cylinder A2 comprises cylinder body flange 9, cylinder body 10, sealing ring 11, leading to flange 12, piston rod 13, position detecting device 14 and high-speed electromagnetic valve 15 as shown in Figure 4 and Figure 5.Piston rod 13 in the cylinder body 10 is divided into rod chamber and rodless cavity with cylinder body 10; Axial end in cylinder body 10 rodless cavity place sides is installed cylinder body flange 9, installs leading to flange 12 at the axial end of cylinder body 10 rod chamber place sides; Wherein cylinder body flange 9 is used for cylinder body 10 is fixed on housing 16, leadingly is used for can preventing rotating freely of piston rod 13 to a certain extent when realizing cylinder body 10 sealings to flange 12.10 of the piston rod 13 of cylinder body 10 and cylinder bodies adopt high accuracy to cooperate, just do not have like this parts that can wear and tear on the piston rod 13, can greatly improve the useful life of vibrating oil cylinder.Leading junction to flange 12 and cylinder body 10 arranges sealing ring 11, and material can be polytetrafluoroethylene, and Main Function is the low pressure oil external leakage that prevents in the cylinder body 10.Between the rod chamber of cylinder body 10 and rodless cavity, be provided with suitable fluid passage to form certain liquid resistance.End face in the rodless cavity place of cylinder body 10 side is provided with oil-out and two oil-ins that connect with rodless cavity that connect with rodless cavity, and each oil-in place connects a high-speed electromagnetic valve 15.High-speed electromagnetic valve 15 adopts the high-speed responsive valves, and is simple in structure, and failure rate is low uses restriction few, only controls oil-feed for one, only controls fuel-displacedly for one, according to the output flow of Duty ratio control high-speed electromagnetic valve 15, realizes the continuous control to the vibration Flow of Cylinder.Described high-speed electromagnetic valve 15 is directly installed on cylinder body 10, has improved the response speed of valve-controlled cylinder, and it is mobile to force the interior hydraulic oil of cylinder body 10 rodless cavities to form, and the hydraulic oil that flows back to fuel tank 6 just can effectively be cooled off.The function of position detecting device 14 is that piston rod is carried out displacement monitoring, adopts non-contact displacement transducer.
Vibration oil cylinder B3 is identical with the structure of vibration oil cylinder A2.
The integral layout of this liquid drive system is as shown in Figure 2: vibration oil cylinder A2, vibration oil cylinder B3 all are fixed in the housing 16 by cylinder body flange and support, among vibration oil cylinder A2, the vibration oil cylinder B3 piston be axially perpendicular to housing 16 axially, simultaneously for making the whole system compact conformation, the axial difference of piston among vibration oil cylinder A2, the vibration oil cylinder B3.Two oil-ins on each cylinder body 10 respectively are connected with oil-out on the fuel tank 6 by in-line; Oil-out on each cylinder body 10 is connected with oil-in on the fuel tank 6 by fuel-displaced pipeline.Fuel-displaced pipeline and in-line adopt diameter to be not less than the large latus rectum flexible pipe of 20mm, can play the effect of accumulator, have simplified system, have reduced system element.
The operation principle of this system is:
Oil sources 1 independently vibrates the oil cylinder fuel feeding to two respectively by in-line, drive the piston movement in the oil cylinder, piston movement frequency and stroke are jointly controlled by two high-speed electromagnetic valves in the vibration oil cylinder, the sound radiant element that the piston actuated in the vibration oil cylinder cooperates with it.
In sum, above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the fluid power system of acoustical generator under water is characterized in that, comprises housing (16), oil sources (1), vibrates oil cylinder more than two; Ancillary equipment is acoustical generator under water more than two; Described each one of hydraulic oil cylinder driving of vibration is the sound radiant element of acoustical generator under water;
Described oil sources (1) comprising: motor (4), pressure compensator (5), fuel tank (6), blast pipe (7) and hydraulic pump (8); On the axial end of fuel tank (6) one sides, be fixed with respectively motor (4), blast pipe (7) and two identical pressure compensators (5); The output shaft of described motor (4) is connected with the hydraulic pump that is positioned at fuel tank (6) (8) by shaft coupling; Described two pressure compensators are positioned at the same level position;
Described vibration oil cylinder comprises cylinder body flange (9), cylinder body (10), leading to flange (12), piston rod (13), position detecting device (14) and high-speed electromagnetic valve (15); Piston rod (13) in the described cylinder body (10) is divided into rod chamber and rodless cavity two parts with cylinder body (10), at the affixed cylinder body flange of axial end (9) of cylinder body (10) rodless cavity place end, affixed leading to flange (12) at the axial end of cylinder body (10) rod chamber place end; Be provided with oil-out and two oil-ins that connect with rodless cavity that connect with rodless cavity on the end face of described cylinder body (10) rodless cavity place side, described each oil-in place connects a high-speed electromagnetic valve (15), is used for motion frequency and the stroke of control piston bar (13); Described high-speed electromagnetic valve (15) is fixed on the cylinder body (10); Described position detecting device (14) is fixed on the cylinder body (10), is used for the displacement of monitoring piston rod (13);
The integrated connection of this fluid power system is: described housing (16) is column construction, and it is coaxial affixed with housing (16) that fuel tank (6) is fixed with the axial end of motor (4); Described vibration oil cylinder axially being fixed on successively in the housing (16) along housing (16) more than two, be specially: each vibration oil cylinder is fixed in the housing (16) by cylinder body flange (9) and support, and in the vibration oil cylinder piston axially vertically and housing (16) axial; The upper correspondence position at each vibration cylinder piston rod (13) of housing (16) is processed with the motion hole of piston rod, and each piston rod (13) drives a sound radiant element of acoustical generator under water; Be provided with oil-out and oil-in at fuel tank (6) with the end face that housing (16) is connected side, two oil-ins on described each cylinder body (10) respectively are connected with oil-out on the fuel tank (6) by in-line; Oil-out on described each cylinder body (10) is connected with oil-in on the fuel tank (6) by fuel-displaced pipeline.
2. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, the external diameter of fuel tank (6) is consistent with the external diameter of housing (16) in the described oil sources (1).
3. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, described fuel tank (6) bottom is provided with horizontal string section.
4. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, described hydraulic pump (8) adopts the gear pump form.
5. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, described leading junction to flange (12) and cylinder body (10) arranges sealing ring (11).
6. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, described in-line and fuel-displaced pipeline all adopt diameter to be not less than the flexible pipe of 20mm.
7. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, the axial direction of described each vibration cylinder piston rod (13) is all inconsistent.
8. the fluid power system of a kind of acoustical generator under water as claimed in claim 1 is characterized in that, described position detecting device (14) is non-contact displacement transducer.
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| CN201210594749.4A CN103067818B (en) | 2012-12-31 | 2012-12-31 | Hydraulic driving system of underwater acoustical generator |
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| CN201210594749.4A CN103067818B (en) | 2012-12-31 | 2012-12-31 | Hydraulic driving system of underwater acoustical generator |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180722A (en) * | 2015-08-27 | 2015-12-23 | 江南工业集团有限公司 | Combined underwater sound source device |
| CN105509548A (en) * | 2016-01-26 | 2016-04-20 | 中国船舶重工集团公司第七一〇研究所 | Underwater air-blast sounding device |
| CN106246644A (en) * | 2016-08-31 | 2016-12-21 | 长沙矿山研究院有限责任公司 | A kind of deep sea drill Hydraulic Station |
| CN107061429A (en) * | 2017-03-23 | 2017-08-18 | 东南大学 | A kind of deepwater hydraulic system |
| CN109760805A (en) * | 2018-12-28 | 2019-05-17 | 中国船舶重工集团公司第七一0研究所 | A kind of monomer rotatably combines gas explosion sound source |
| CN110480574A (en) * | 2019-07-15 | 2019-11-22 | 武汉船用机械有限责任公司 | Device for screwing up |
| CN114255721A (en) * | 2021-11-10 | 2022-03-29 | 宜昌测试技术研究所 | Diaphragm size, adjustable vibration sounder of shape |
| CN117492068A (en) * | 2023-12-27 | 2024-02-02 | 吉林大学 | Electrohydraulic ocean controllable seismic source with pressure compensation function |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180722A (en) * | 2015-08-27 | 2015-12-23 | 江南工业集团有限公司 | Combined underwater sound source device |
| CN105509548A (en) * | 2016-01-26 | 2016-04-20 | 中国船舶重工集团公司第七一〇研究所 | Underwater air-blast sounding device |
| CN105509548B (en) * | 2016-01-26 | 2017-03-22 | 中国船舶重工集团公司第七一〇研究所 | Underwater air-blast sounding device |
| CN106246644B (en) * | 2016-08-31 | 2018-06-15 | 长沙矿山研究院有限责任公司 | A kind of deep sea drill hydraulic station |
| CN106246644A (en) * | 2016-08-31 | 2016-12-21 | 长沙矿山研究院有限责任公司 | A kind of deep sea drill Hydraulic Station |
| CN107061429B (en) * | 2017-03-23 | 2018-06-19 | 东南大学 | A kind of deepwater hydraulic system |
| CN107061429A (en) * | 2017-03-23 | 2017-08-18 | 东南大学 | A kind of deepwater hydraulic system |
| CN109760805A (en) * | 2018-12-28 | 2019-05-17 | 中国船舶重工集团公司第七一0研究所 | A kind of monomer rotatably combines gas explosion sound source |
| CN109760805B (en) * | 2018-12-28 | 2020-10-16 | 中国船舶重工集团公司第七一0研究所 | Single rotary combined gas explosion sound source |
| CN110480574A (en) * | 2019-07-15 | 2019-11-22 | 武汉船用机械有限责任公司 | Device for screwing up |
| CN114255721A (en) * | 2021-11-10 | 2022-03-29 | 宜昌测试技术研究所 | Diaphragm size, adjustable vibration sounder of shape |
| CN114255721B (en) * | 2021-11-10 | 2025-09-26 | 宜昌测试技术研究所 | A vibration sounder with adjustable diaphragm size and shape |
| CN117492068A (en) * | 2023-12-27 | 2024-02-02 | 吉林大学 | Electrohydraulic ocean controllable seismic source with pressure compensation function |
| CN117492068B (en) * | 2023-12-27 | 2024-04-02 | 吉林大学 | An electro-hydraulic marine vibrator with pressure compensation function |
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| CN103067818B (en) | 2015-03-18 |
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