CN112503041A - Deep sea hydraulic station - Google Patents
Deep sea hydraulic station Download PDFInfo
- Publication number
- CN112503041A CN112503041A CN202011396644.9A CN202011396644A CN112503041A CN 112503041 A CN112503041 A CN 112503041A CN 202011396644 A CN202011396644 A CN 202011396644A CN 112503041 A CN112503041 A CN 112503041A
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- Prior art keywords
- stacked
- valve
- box body
- deep sea
- overflow valve
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 30
- 239000010720 hydraulic oil Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 2
- 239000010985 leather Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/027—Check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a deep sea hydraulic station. The deep sea hydraulic station comprises a box body, a radial pump, a direct current brushless motor, a stacked three-position four-way electromagnetic directional valve, a stacked hydraulic control one-way valve, a stacked overflow valve, a hydraulic cylinder, an energy accumulator, a pressure sensor, a direct-acting overflow valve and an integrated block interpolation overflow valve, wherein the radial pump, the direct current brushless motor, the stacked three-position four-way electromagnetic directional valve, the stacked hydraulic control one-way valve, the stacked overflow valve, the energy accumulator, the pressure sensor, the direct-acting overflow valve and the integrated block interpolation overflow valve are all located in the box body. The deep sea hydraulic station provided by the invention has the advantages of compact structure, good sealing performance, stability, safety and capability of adapting to the special environment of deep sea.
Description
Technical Field
The invention relates to the technical field of hydraulic pressure, in particular to a deep sea hydraulic station.
Background
With the continuous progress of science and technology, ocean resources such as the exploitation of deep-sea natural gas and the exploitation of deep-sea oil are continuously utilized by people.
When marine resources are mined, hydraulic technology such as a deep sea manipulator, a deep sea television grab bucket, a deep sea multi-tube sampler or a deep sea box type sampler and other deep sea sampling equipment is required to be utilized, but the traditional hydraulic system cannot meet the requirements of deep sea operation.
Therefore, there is a need to provide a new deep sea hydraulic station to solve the above technical problems.
Disclosure of Invention
The invention solves the technical problem of providing a deep sea hydraulic station which has compact structure, good sealing performance, stability and safety and can adapt to the special environment of deep sea.
In order to solve the technical problem, the deep sea hydraulic station provided by the invention comprises: the hydraulic system comprises a box body, a radial pump, a direct-current brushless motor, a stacked three-position four-way electromagnetic directional valve, a stacked hydraulic control one-way valve, a stacked overflow valve, a hydraulic cylinder, an energy accumulator, a pressure sensor, a direct-current brushless motor, a stacked three-position four-way electromagnetic directional valve and an integrated block interpolation overflow valve, wherein the radial pump, the direct-current brushless motor, the stacked three-position four-way electromagnetic directional valve, the stacked hydraulic control one-way valve, the stacked overflow valve, the energy accumulator, the pressure sensor, the direct-current overflow valve and the integrated block interpolation overflow valve are all positioned in the box body, the hydraulic cylinder is positioned outside the box body, the stacked overflow valve, the hydraulic cylinder, the energy accumulator, the pressure sensor, the direct-current overflow valve and the stacked hydraulic control one-way valve are all connected, and the stacked four-position three-way, the pressure sensor is arranged between the energy accumulator and the stacked hydraulic control one-way valve, the radial pump and the integrated block interpolation overflow valve are connected with the stacked three-position four-way electromagnetic directional valve, the direct-current brushless motor is connected with the radial pump, and low-temperature anti-wear hydraulic oil is arranged in the box body.
Preferably, the box is square, a groove is formed in the end face of the box, a sealing strip is arranged in the groove, and the sealing strip is in close contact with the box.
Preferably, the box is equipped with the connector, be connected with the compensation leather bag on the connector, the outside cover of compensation leather bag is equipped with the safety cover, the safety cover forms for the stainless steel material preparation.
Preferably, two oil holes are formed in the top of the box body, and plugs are arranged in the oil holes.
Preferably, a filter is fixedly mounted at the oil inlet end of the radial pump and is located in the box body.
Compared with the related art, the deep sea hydraulic station provided by the invention has the following beneficial effects:
1. the device is applied to deep sea manipulators, deep sea television grab buckets, deep sea multi-tube samplers or deep sea box samplers and other deep sea sampling equipment, and provides hydraulic power for seabed operation equipment;
2. the box is square, has the recess of installation sealing strip on the box terminal surface, realizes the inside and outside sealed isolated of box through the sealing strip, and the box is inside to be filled with low temperature hydraulic oil that wear-resistants, and the inside oil circuit of box communicates with each other with external compensation leather bag, and compensation leather bag has two effects: (1) the rubber has the elasticity of expansion and contraction, so that the pressure balance inside and outside the box body of the device is realized, and the box body is not pressed and deformed by water pressure during deep sea operation; (2) when the hydraulic station works, the low-temperature anti-wear hydraulic oil inside the hydraulic station is pumped into an oil pipe and a hydraulic cylinder outside the box body, and the compensation bladder can supplement oil inside the box body in time;
3. the direct-current brushless motor and the radial pump are both immersed in the low-temperature anti-wear hydraulic oil in the box body, so that the problem of dynamic sealing of an external motor is solved, and the failure rate of equipment is greatly reduced;
4. in the hydraulic system, the superposed hydraulic control one-way valves are used for locking the oil ways on two sides, so that the pressure can be kept when the direct current brushless motor is stopped;
5. an energy accumulator arranged in the system can supplement pressure to the system, so that the pressure of the system is stably maintained;
6. the system is provided with a pressure sensor which can monitor the internal pressure and the water depth pressure of the hydraulic system in real time;
7. the box body is provided with two oil holes, so that when oil is filled into the box body, one hole is filled with oil, and the other hole is filled with gas, and the quick oil filling is realized;
8. the system is provided with three overflow valves, so that the total pressure limitation and safety of an overflow valve system in the integrated block are ensured, the pressure safety of two ports AB is ensured by the overlapped overflow valves, the pressure safety on the path A is ensured by the direct-acting overflow valve, and the triple safety guarantee is realized;
9. the compensating leather bag is arranged in a cage made of stainless steel, so that the compensating leather bag can be prevented from being damaged due to overlarge expansion, and meanwhile, the compensating leather bag is prevented from being scraped by foreign objects in the working process to leak oil.
Drawings
FIG. 1 is a schematic oil circuit diagram of a deep sea hydraulic station provided by the invention;
FIG. 2 is a schematic perspective view of a deep sea hydraulic station box provided by the invention;
FIG. 3 is a schematic top view of the internal structure of the deep sea hydraulic station box provided by the invention;
FIG. 4 is a schematic front view of the internal structure of the deep sea hydraulic station box provided by the invention;
FIG. 5 is a schematic structural diagram of a compensation bladder of the deep sea hydraulic station provided by the invention.
Reference numbers in the figures: 1. the system comprises a radial pump, 2, a direct-current brushless motor, 3, a stacked three-position four-way electromagnetic directional valve, 4, a stacked hydraulic control one-way valve, 5, a stacked overflow valve, 6, a hydraulic cylinder, 7, an energy accumulator, 8, a pressure sensor, 9, a direct-acting overflow valve, 10, an integrated block interpolation type overflow valve and 11, and low-temperature anti-wear hydraulic oil.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic oil circuit diagram of a deep sea hydraulic station provided by the present invention; FIG. 2 is a schematic perspective view of a deep sea hydraulic station box provided by the invention; FIG. 3 is a schematic top view of the internal structure of the deep sea hydraulic station box provided by the invention; FIG. 4 is a schematic front view of the internal structure of the deep sea hydraulic station box provided by the invention; FIG. 5 is a schematic structural diagram of a compensation bladder of the deep sea hydraulic station provided by the invention. The deep sea hydraulic station includes: the hydraulic system comprises a box body 12, a radial pump 1, a direct-current brushless motor 2, a stacked three-position four-way electromagnetic directional valve 3, a stacked hydraulic control one-way valve 4, a stacked overflow valve 5, a hydraulic cylinder 6, an energy accumulator 7, a pressure sensor 8, a direct-acting overflow valve 9 and an integrated block inserted overflow valve 10, wherein the radial pump 1, the direct-current brushless motor 2, the stacked three-position four-way electromagnetic directional valve 3, the stacked hydraulic control one-way valve 4, the stacked overflow valve 5, the energy accumulator 7, the pressure sensor 8, the direct-acting overflow valve 9 and the integrated block inserted overflow valve 10 are all positioned in the box body 12, the hydraulic cylinder 6 is positioned outside the box body 12, and the stacked overflow valve 5, the hydraulic cylinder 6, the energy accumulator 7, the pressure sensor 8, the direct-acting overflow valve 9 and the stacked hydraulic control one-way valve 4 are connected, the stacked three-position four-way electromagnetic directional valve 3 is connected with the stacked hydraulic control one-way valve 4, the pressure sensor 8 is arranged between the energy accumulator 7 and the stacked hydraulic control one-way valve 4, the radial pump 1 and the integrated block inserted overflow valve 10 are both connected with the stacked three-position four-way electromagnetic directional valve 3, the direct-current brushless motor 2 is connected with the radial pump 1, and 11 low-temperature wear-resistant hydraulic oil 11 is arranged in the box body 12.
The box 12 is square, a groove is arranged on the end face of the box 12, a sealing strip is arranged in the groove, and the sealing strip is in close contact with the box 12.
The box 12 is equipped with the connector, be connected with the compensation leather bag on the connector, the outside cover of compensation leather bag is equipped with the safety cover, the safety cover forms for the stainless steel material preparation.
Two oil holes are formed in the top of the box body 12, and plugs are arranged in the oil holes.
The oil inlet end of the radial pump 1 is fixedly provided with a filter, and the filter is positioned in the box body 12.
Compared with the related art, the deep sea hydraulic station provided by the invention has the following beneficial effects:
1. the device is applied to deep sea manipulators, deep sea television grab buckets, deep sea multi-tube samplers or deep sea box samplers and other deep sea sampling equipment, and provides hydraulic power for seabed operation equipment;
2. box 12 is square, has the recess of installation sealing strip on the 12 terminal surfaces of box, realizes through the sealing strip that box 12 is inside and outside sealed isolated, and box 12 is inside to be filled with low temperature hydraulic oil 11 that wear-resistants, and the inside oil circuit of box 12 communicates with each other with external compensation leather bag, and compensation leather bag has two effects: (1) because the rubber has the elasticity of expansion and contraction, the pressure balance inside and outside the device box body 12 is realized, so that the box body 12 is not pressed and deformed by water pressure during deep sea operation; (2) when the hydraulic station works, the low-temperature anti-wear hydraulic oil 11 inside is pumped into the oil pipe and the hydraulic cylinder 6 outside the box body 12, and the compensation bladder can supplement oil inside the box body 12 in time;
3. the direct-current brushless motor 2 and the radial pump 1 are both immersed in the low-temperature anti-wear hydraulic oil 11 in the box body 12, so that the problem of dynamic sealing of an external motor is solved, and the failure rate of equipment is greatly reduced;
4. in the hydraulic system, the superposed hydraulic control one-way valve 4 is used for locking the oil ways at two sides, so that the pressure can be kept when the direct current brushless motor 12 is shut down;
5. an energy accumulator 7 arranged in the system can supplement pressure to the system, so that the pressure of the system is stably maintained;
6. the system is provided with a pressure sensor 8 which can monitor the internal pressure and the water depth pressure of the hydraulic system in real time;
7. the box body 12 is provided with two oil holes, so that when oil is filled into the box body 12, one hole is filled with oil, and the other hole is filled with gas, and the rapid oil filling is realized;
8. the system is provided with three overflow valves, so that the total pressure limitation and safety of an overflow valve system in the integrated block are ensured, the pressure safety of two ports AB is ensured by the overlapped overflow valves, the pressure safety on the path A is ensured by the direct-acting overflow valve, and the triple safety guarantee is realized;
9. the compensating leather bag is arranged in a cage made of stainless steel, so that the compensating leather bag can be prevented from being damaged due to overlarge expansion, and meanwhile, the compensating leather bag is prevented from being scraped by foreign objects in the working process to leak oil.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A deep sea hydraulic station, comprising: the hydraulic system comprises a box body, a radial pump, a direct-current brushless motor, a stacked three-position four-way electromagnetic directional valve, a stacked hydraulic control one-way valve, a stacked overflow valve, a hydraulic cylinder, an energy accumulator, a pressure sensor, a direct-current brushless motor, a stacked three-position four-way electromagnetic directional valve and an integrated block interpolation overflow valve, wherein the radial pump, the direct-current brushless motor, the stacked three-position four-way electromagnetic directional valve, the stacked hydraulic control one-way valve, the stacked overflow valve, the energy accumulator, the pressure sensor, the direct-current overflow valve and the integrated block interpolation overflow valve are all positioned in the box body, the hydraulic cylinder is positioned outside the box body, the stacked overflow valve, the hydraulic cylinder, the energy accumulator, the pressure sensor, the direct-current overflow valve and the stacked hydraulic control one-way valve are all connected, and the stacked four-position three-way, the pressure sensor is arranged between the energy accumulator and the stacked hydraulic control one-way valve, the radial pump and the integrated block interpolation overflow valve are connected with the stacked three-position four-way electromagnetic directional valve, the direct-current brushless motor is connected with the radial pump, and low-temperature anti-wear hydraulic oil is arranged in the box body.
2. The deep sea hydraulic station according to claim 1, wherein the box body is square, a groove is formed in an end face of the box body, a sealing strip is arranged in the groove, and the sealing strip is in close contact with the box body.
3. The deep sea hydraulic station of claim 1, wherein the box body is provided with a connector, a compensation bladder is connected to the connector, a protective cover is sleeved on the outer side of the compensation bladder, and the protective cover is made of stainless steel materials.
4. The deep sea hydraulic station of claim 1, wherein two oil holes are formed in the top of the box body, and plugs are arranged in the oil holes.
5. The deep sea hydraulic station of claim 1, wherein a filter is fixedly mounted at an oil inlet end of the radial pump, and the filter is located in the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011396644.9A CN112503041A (en) | 2020-12-02 | 2020-12-02 | Deep sea hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011396644.9A CN112503041A (en) | 2020-12-02 | 2020-12-02 | Deep sea hydraulic station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503041A true CN112503041A (en) | 2021-03-16 |
Family
ID=74969577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011396644.9A Pending CN112503041A (en) | 2020-12-02 | 2020-12-02 | Deep sea hydraulic station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503041A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439817A (en) * | 2021-12-28 | 2022-05-06 | 中国科学院沈阳自动化研究所 | Modular underwater direct-current hydraulic power unit |
| CN116241521A (en) * | 2023-02-09 | 2023-06-09 | 广州海洋地质调查局 | Multipurpose hydraulic valve body of deep sea hydraulic submersible vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566182A (en) * | 2009-05-26 | 2009-10-28 | 长沙矿山研究院 | Deep sea pressure compensator |
| CN202468549U (en) * | 2012-03-21 | 2012-10-03 | 长沙矿山研究院有限责任公司 | Pressure compensating device for deep sea hydraulic system |
| CN105604991A (en) * | 2016-01-21 | 2016-05-25 | 燕山大学 | Cabin door opening and closing hydraulic control system of underwater vehicle |
| CN110056546A (en) * | 2019-05-17 | 2019-07-26 | 中国科学院深海科学与工程研究所 | A kind of Quan Haishen Multi-oil circuit pressure compensator |
| CN210565407U (en) * | 2019-07-19 | 2020-05-19 | 江苏迪萨机械有限公司 | Hydraulic station and sewage gate |
-
2020
- 2020-12-02 CN CN202011396644.9A patent/CN112503041A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566182A (en) * | 2009-05-26 | 2009-10-28 | 长沙矿山研究院 | Deep sea pressure compensator |
| CN202468549U (en) * | 2012-03-21 | 2012-10-03 | 长沙矿山研究院有限责任公司 | Pressure compensating device for deep sea hydraulic system |
| CN105604991A (en) * | 2016-01-21 | 2016-05-25 | 燕山大学 | Cabin door opening and closing hydraulic control system of underwater vehicle |
| CN110056546A (en) * | 2019-05-17 | 2019-07-26 | 中国科学院深海科学与工程研究所 | A kind of Quan Haishen Multi-oil circuit pressure compensator |
| CN210565407U (en) * | 2019-07-19 | 2020-05-19 | 江苏迪萨机械有限公司 | Hydraulic station and sewage gate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439817A (en) * | 2021-12-28 | 2022-05-06 | 中国科学院沈阳自动化研究所 | Modular underwater direct-current hydraulic power unit |
| CN116241521A (en) * | 2023-02-09 | 2023-06-09 | 广州海洋地质调查局 | Multipurpose hydraulic valve body of deep sea hydraulic submersible vehicle |
| CN116241521B (en) * | 2023-02-09 | 2023-11-03 | 广州海洋地质调查局 | Multipurpose hydraulic valve body of deep sea hydraulic submersible vehicle |
| WO2023241183A1 (en) * | 2023-02-09 | 2023-12-21 | 广州海洋地质调查局 | Multipurpose hydraulic valve body of deep-sea hydraulic submersible |
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Application publication date: 20210316 |
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