CN113803398A - Wave compensation device based on magnetorheological fluid and working method thereof - Google Patents
Wave compensation device based on magnetorheological fluid and working method thereof Download PDFInfo
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- CN113803398A CN113803398A CN202111206925.8A CN202111206925A CN113803398A CN 113803398 A CN113803398 A CN 113803398A CN 202111206925 A CN202111206925 A CN 202111206925A CN 113803398 A CN113803398 A CN 113803398A
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- 239000012530 fluid Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims description 10
- 238000013016 damping Methods 0.000 claims abstract description 9
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 238000005381 potential energy Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/002—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion characterised by the control method or circuitry
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/03—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using magnetic or electromagnetic means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/04—Fluids
- F16F2224/045—Fluids magnetorheological
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0011—Balancing, e.g. counterbalancing to produce static balance
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Electromagnetism (AREA)
- Ocean & Marine Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
本发明属于涉及海洋装备领域，公开了一种基于磁流变液的波浪补偿装置，包括密闭缸体，密闭缸体包括筒体、分别设置在筒体两端的上盖板和下盖板；在筒体内设有顶板和底板，顶板连接有上活动杆，底板连接有下活动杆，在上活动杆和下活动杆上均缠绕有弹簧；使用时，上活动杆与船舶一侧连接，下活动杆与固定平台一侧连接；顶板、底板及筒体内壁所形成的空腔内充满有磁流变液；在筒体的外壁缠绕有线圈，线圈连接有电源；在筒体外侧设有外壳。本发明利用磁流变液的流体性质改变船舶与固定平台之间的阻尼来平衡两者的相对位置，尽量减小船舶的运动幅度实现平稳停靠，能够平衡船舶所受到的外力，就能极大地平衡船舶在停靠过程中遇到的不稳定性问题。
The invention belongs to the field of marine equipment, and discloses a wave compensation device based on magnetorheological fluid, comprising a closed cylinder body, the closed cylinder body comprising a cylinder body, an upper cover plate and a lower cover plate respectively arranged at both ends of the cylinder body; The cylinder is provided with a top plate and a bottom plate, the top plate is connected with an upper movable rod, the bottom plate is connected with a lower movable rod, and springs are wound on both the upper movable rod and the lower movable rod; when in use, the upper movable rod is connected with one side of the ship, and the lower movable rod is connected to the side of the ship. The rod is connected to one side of the fixed platform; the cavity formed by the top plate, the bottom plate and the inner wall of the cylinder is filled with magnetorheological fluid; a coil is wound on the outer wall of the cylinder, and the coil is connected with a power supply; an outer casing is provided on the outside of the cylinder. The invention utilizes the fluid properties of the magnetorheological fluid to change the damping between the ship and the fixed platform to balance the relative positions of the two, minimizes the motion range of the ship to achieve stable docking, can balance the external force on the ship, and can greatly Balance the instability problems encountered by ships during docking.
Description
Technical Field
The invention belongs to the field of marine equipment, and particularly relates to a wave compensation device based on magnetorheological fluid and a working method thereof.
Background
Offshore wind energy resources in China are rich, offshore wind power has the advantages of being high in electricity generation utilization hours, large in single machine capacity, free of land occupation, free of water resource consumption, suitable for large-scale development and the like, and offshore wind power is rapidly developed in recent years. However, since offshore wind power is far away, the operation and maintenance difficulty is increased, and an operation and maintenance ship needs to drive to the wind turbine generator for operation.
The offshore wind power operation relates to the activities of operation and maintenance, personnel boarding and the like when the operation and maintenance ship is parked, the instability of ship parking is brought by the complexity of sea conditions, the swinging motion of the ship in multiple dimensions and the like can be caused by the sea conditions such as wind, wave, surge and the like, and the operation and maintenance operation cannot be smoothly carried out. Therefore, the stability of the ship during docking is guaranteed, and the method has important significance for smooth implementation of operation.
Disclosure of Invention
The invention aims to provide a magnetorheological fluid-based wave compensation device and a working method thereof, and solves the problem that operation and maintenance operations cannot be smoothly carried out due to ship shaking in the current offshore operation.
The invention is realized by the following technical scheme:
a wave compensation device based on magnetorheological fluid comprises a closed cylinder body, wherein the closed cylinder body comprises a cylinder body, an upper cover plate and a lower cover plate, and the upper cover plate and the lower cover plate are respectively arranged at two ends of the cylinder body;
a top plate and a bottom plate are arranged in the cylinder body, the top plate is connected with an upper movable rod, the bottom plate is connected with a lower movable rod, and springs are wound on the upper movable rod and the lower movable rod; when the device is used, the upper movable rod is connected with one side of a ship, and the lower movable rod is connected with one side of the fixed platform;
magnetorheological fluid is filled in a cavity formed by the top plate, the bottom plate and the inner wall of the cylinder;
a coil is wound on the outer wall of the barrel and connected with a power supply;
and a shell used for wrapping the coil is arranged on the outer side of the cylinder body.
Furthermore, the center of the upper cover plate is provided with a mounting hole, and the free end of the upper movable rod extends out of the mounting hole of the upper cover plate.
Furthermore, the center of the lower cover plate is provided with a mounting hole, and the free end of the lower movable rod extends out of the mounting hole of the lower cover plate.
Furthermore, a plurality of fixed rings are arranged on two sides of the ship, a hook is arranged at the tail end of the upper movable rod, and the fixed rings are connected with the hook in a hanging mode.
Furthermore, a plurality of fixed rings are arranged on four sides of the fixed platform, a hook is arranged at the tail end of the lower movable rod, and the fixed rings are connected with the hook in a hanging mode.
Furthermore, the upper cover plate is connected with the cylinder in a sealing way, and the lower cover plate is connected with the cylinder in a sealing way.
Furthermore, a wave motion sensor is installed on the ship and connected with a controller, and the controller is connected with a power supply through a control switch.
Further, the shell is made of stainless steel.
The invention also discloses a working method of the wave compensation device based on the magnetorheological fluid, which comprises the following processes:
a plurality of the wave compensation devices are arranged between the ship and the fixed platform in parallel;
connecting an upper movable rod with one side of a ship, and connecting a lower movable rod with one side of a fixed platform;
when a ship starts to stop, relative speed is caused by wave motion, the coil is electrified, a magnetic field is formed outside the magnetorheological fluid, the viscosity of the magnetorheological fluid is high, the mobility of the magnetorheological fluid is low, the kinetic energy of the upper movable rod and the lower movable rod is converted into the elastic potential energy of the spring under the action of the magnetic field, the damping force between the ship and the fixed platform is increased, and the motion amplitude between the ship and the fixed platform is weakened.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a wave compensation device based on magnetorheological fluid, which comprises a closed cylinder body, wherein a top plate and a bottom plate are arranged in a cylinder body, the top plate is connected with an upper movable rod, the bottom plate is connected with a lower movable rod, and springs are wound on the upper movable rod and the lower movable rod; magnetorheological fluid is filled in a cavity formed by the top plate, the bottom plate and the inner wall of the cylinder; the outer wall of the barrel body is wound with a coil, and the coil is connected with a power supply. The magnetorheological fluid is a novel fluid with controllable fluidity, is a suspension formed by immersing micro-nano ferromagnetic particles in a non-magnetic carrier liquid, and also contains a small amount of other auxiliary solutions, the magnetorheological fluid has the characteristic of low-viscosity Newtonian fluid when no external magnetic field exists, and is a Bingham fluid with high viscosity and low fluidity when a magnetic field is applied, and a certain corresponding relationship exists between the viscosity of the fluid and the magnetic flux. When a ship starts to stop, the wave motion can cause larger relative speed, the coil is electrified to form an external magnetic field, so that the internal magnetorheological fluid is changed into high-viscosity low-fluidity fluid, the damping of the movable rod is increased, meanwhile, partial kinetic energy of the movable rod is converted into elastic potential energy of the spring, and the spring is used for compensating the potential difference of the up-and-down movement of the piston rod. Therefore, the damping force between the ship and the fixed platform is larger, so that the motion amplitude between the ship and the fixed platform is weakened, and the ship can be stably parked. The invention utilizes the fluid property of the magnetorheological fluid to change the damping between the ship and the fixed platform to balance the relative position of the ship and the fixed platform, reduces the motion amplitude of the ship as much as possible to realize stable berthing, can balance the external force applied to the ship, and can greatly balance the instability problem encountered in the berthing process of the ship.
Furthermore, the movable rod, the ship and the fixed platform are connected through hooks, the connection mode is simple, and the movable rod, the ship and the fixed platform are easy to connect on site.
Drawings
Fig. 1 is a schematic structural diagram of a wave compensator based on magnetorheological fluid according to the present invention;
fig. 2 is a schematic view of a vessel docking a fixed platform with a heave compensation apparatus.
Wherein, 1, an upper movable rod; 2. an upper cover plate; 3. an upper spring; 4. a top plate; 5. magnetorheological fluid; 6. a coil; 7. a base plate; 8. a housing; 9. a lower spring; 10. a lower cover plate; 11. a movable rod is lowered; 12. a barrel; 13. a vessel; 14. and (4) fixing the platform.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
As shown in fig. 1 and 2, the invention discloses a wave compensation device based on magnetorheological fluid, which comprises a closed cylinder body, wherein the closed cylinder body comprises a cylinder body 12, an upper cover plate 2 and a lower cover plate 10 which are respectively arranged at two ends of the cylinder body 12; a top plate 4 and a bottom plate 7 are arranged in the cylinder 12, the top plate 4 is connected with an upper movable rod 1, the bottom plate 7 is connected with a lower movable rod 11, upper springs 3 are wound on the upper movable rods 1, and lower springs 9 are wound on the lower movable rods 11 to supplement the movement of the movable rods; magnetorheological fluid 5 is filled in a cavity formed by the top plate 4, the bottom plate 7 and the inner wall of the cylinder 12; a coil 6 is wound on the outer wall of the barrel 12, and the coil 6 is connected with a power supply; a casing 8 for wrapping the coil 6 is arranged outside the cylinder 12.
The magnetorheological fluid 5 is stored in a closed space formed by the top plate 4, the bottom plate 7 and the inner wall of the cylinder barrel of the piston, and the magnetorheological fluid 5 can become high-viscosity and low-flow fluid when being electrified. The outer side surface of the inner wall of the cylinder barrel filled with the magnetorheological fluid 5 is fully wound with the coil 6, no gap is tightly arranged between the coil 6 and the coil 6, and the number of turns of the coil 6 is determined by the size of the coil 6.
Specifically, the center of the upper cover plate 2 is provided with a mounting hole, and the free end of the upper movable rod 1 extends out of the mounting hole of the upper cover plate 2; the center of the lower cover plate 10 is provided with a mounting hole, and the free end of the lower movable rod 11 extends out of the mounting hole of the lower cover plate 10.
Specifically, a plurality of fixed rings are arranged on two sides of the ship 13, a hook is arranged at the tail end of the upper movable rod 1, and the fixed rings are connected with the hook in a hanging manner; a plurality of fixed rings are arranged on four sides of the fixed platform 14, a hook is arranged at the tail end of the lower movable rod 11, and the fixed rings are connected with the hook in a hanging mode.
Specifically, the upper cover plate 2 is connected with the cylinder 12 in a sealing manner, and the lower cover plate 10 is connected with the cylinder 12 in a sealing manner.
Specifically, a wave motion sensor is mounted on the vessel 13, and the wave motion sensor is connected with a controller, and the controller is connected with a power supply through a control switch.
Specifically, the housing 8 is made of a stainless steel material.
The heave compensation apparatus and the fixed platform 14 may be connected in a plurality of parallel ways before the vessel 13 is docked. When the ship 13 starts to stop, the wave motion can cause a larger relative speed, the motion signal is received by a wave motion sensor and the like arranged on the ship 13, the spiral coil 6 on the outer side of the cylinder barrel starts to be electrified, the formed external magnetic field enables the magnetorheological fluid 5 in the cylinder barrel to be changed into fluid with high viscosity and low fluidity, the damping of the movable rod is increased, and meanwhile, partial kinetic energy of the movable rod is converted into elastic potential energy of the spring. The damping force between the ship 13 and the fixed platform 14 is larger through a plurality of wave compensation devices connected in series, so that the motion amplitude between the ship 13 and the fixed platform is weakened, and the ship 13 can be relatively stably parked.
The invention provides a wave compensation device based on magnetorheological fluid, which utilizes the fluid property of the magnetorheological fluid 5 to change the damping between a ship 13 and a fixed platform 14 to balance the relative positions of the ship 13 and the fixed platform, reduces the motion amplitude of the ship 13 as much as possible to realize stable berthing, can balance the external force applied to the ship 13, and can greatly balance the instability problem of the ship 13 in the berthing process.
Claims (9)
1. A wave compensation device based on magnetorheological fluid is characterized by comprising a closed cylinder body, wherein the closed cylinder body comprises a cylinder body (12), and an upper cover plate (2) and a lower cover plate (10) which are respectively arranged at two ends of the cylinder body (12);
a top plate (4) and a bottom plate (7) are arranged in the cylinder body (12), the top plate (4) is connected with an upper movable rod (1), the bottom plate (7) is connected with a lower movable rod (11), and springs are wound on the upper movable rod (1) and the lower movable rod (11); when the device is used, the upper movable rod (1) is connected with one side of a ship (13), and the lower movable rod (11) is connected with one side of a fixed platform (14);
magnetorheological fluid (5) is filled in a cavity formed by the top plate (4), the bottom plate (7) and the inner wall of the cylinder body (12);
a coil (6) is wound on the outer wall of the barrel (12), and the coil (6) is connected with a power supply;
and a shell (8) used for wrapping the coil (6) is arranged on the outer side of the cylinder body (12).
2. A magnetorheological fluid based heave compensation apparatus according to claim 1, wherein the upper cover plate (2) has a mounting hole in the centre, and the free end of the upper movable rod (1) extends out of the mounting hole of the upper cover plate (2).
3. A magnetorheological fluid based heave compensation apparatus according to claim 1, wherein the lower cover plate (10) has a mounting hole in the center, and the free end of the lower movable rod (11) extends out of the mounting hole of the lower cover plate (10).
4. The magnetorheological fluid-based heave compensation device according to claim 1, wherein a plurality of fixed rings are arranged on two sides of the ship (13), a hook is arranged at the tail end of the upper movable rod (1), and the fixed rings are connected with the hook in a hanging manner.
5. The magnetorheological fluid-based heave compensation device according to claim 1, wherein a plurality of fixed rings are arranged on four sides of the fixed platform (14), a hook is arranged at the tail end of the lower movable rod (11), and the fixed rings are hooked with the hook.
6. The magnetorheological fluid-based heave compensation apparatus according to claim 1, wherein the upper cover plate (2) is hermetically connected to the cylinder (12), and the lower cover plate (10) is hermetically connected to the cylinder (12).
7. A magnetorheological fluid based wave compensator according to claim 1, wherein a wave motion sensor is mounted on the vessel (13) and connected to a controller, the controller being connected to a power supply via a control switch.
8. A magnetorheological fluid based heave compensation apparatus according to claim 1, wherein the housing (8) is made of stainless steel.
9. The method of operating a wave compensator based on magnetorheological fluid according to any one of claims 1 to 8, comprising the following steps:
a plurality of the wave compensation devices are arranged between the ship (13) and the fixed platform (14) in parallel;
an upper movable rod (1) is connected with one side of a ship (13), and a lower movable rod (11) is connected with one side of a fixed platform (14);
when the ship (13) starts to stop, the relative speed is caused by wave motion, the coil (6) is electrified, a magnetic field is formed outside the magnetorheological fluid (5), the viscosity of the magnetorheological fluid (5) is high, the fluidity of the magnetorheological fluid is low, the kinetic energy of the upper movable rod (1) and the lower movable rod (11) is converted into the elastic potential energy of the spring under the action of the magnetic field, the damping force between the ship (13) and the fixed platform (14) is increased, and the motion amplitude between the ship (13) and the fixed platform (14) is weakened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206925.8A CN113803398A (en) | 2021-10-15 | 2021-10-15 | Wave compensation device based on magnetorheological fluid and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111206925.8A CN113803398A (en) | 2021-10-15 | 2021-10-15 | Wave compensation device based on magnetorheological fluid and working method thereof |
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| CN113803398A true CN113803398A (en) | 2021-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950468A (en) * | 2023-03-09 | 2023-04-11 | 亚太卫星宽带通信（深圳）有限公司 | Wisdom shipping data acquisition gateway equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278412A (en) * | 2011-07-08 | 2011-12-14 | 华侨大学 | Shear type magnetorheological buffer compensator |
| KR20120006780A (en) * | 2010-07-13 | 2012-01-19 | 삼성중공업 주식회사 | Top Bracing System of Marine Engine Using MR Damper |
| CN107191530A (en) * | 2017-05-26 | 2017-09-22 | 中国民航大学 | A kind of twin coil piston magneto-rheological liquid shimmy-damper |
| CN206802180U (en) * | 2017-03-07 | 2017-12-26 | 山东科技大学 | A kind of MR damper of embedded with spring automatic protection |
| CN108895112A (en) * | 2018-07-09 | 2018-11-27 | 江苏大学 | A kind of MR fluid shock absorber |
| CN216279144U (en) * | 2021-10-15 | 2022-04-12 | 中国华能集团清洁能源技术研究院有限公司 | A wave compensation device based on magnetorheological fluid |
-
2021
- 2021-10-15 CN CN202111206925.8A patent/CN113803398A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120006780A (en) * | 2010-07-13 | 2012-01-19 | 삼성중공업 주식회사 | Top Bracing System of Marine Engine Using MR Damper |
| CN102278412A (en) * | 2011-07-08 | 2011-12-14 | 华侨大学 | Shear type magnetorheological buffer compensator |
| CN206802180U (en) * | 2017-03-07 | 2017-12-26 | 山东科技大学 | A kind of MR damper of embedded with spring automatic protection |
| CN107191530A (en) * | 2017-05-26 | 2017-09-22 | 中国民航大学 | A kind of twin coil piston magneto-rheological liquid shimmy-damper |
| CN108895112A (en) * | 2018-07-09 | 2018-11-27 | 江苏大学 | A kind of MR fluid shock absorber |
| CN216279144U (en) * | 2021-10-15 | 2022-04-12 | 中国华能集团清洁能源技术研究院有限公司 | A wave compensation device based on magnetorheological fluid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115950468A (en) * | 2023-03-09 | 2023-04-11 | 亚太卫星宽带通信（深圳）有限公司 | Wisdom shipping data acquisition gateway equipment |
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