CN108177733A - A kind of scientific surveying ship dedicated liftable fin system - Google Patents
A kind of scientific surveying ship dedicated liftable fin system Download PDFInfo
- Publication number
- CN108177733A CN108177733A CN201711471059.9A CN201711471059A CN108177733A CN 108177733 A CN108177733 A CN 108177733A CN 201711471059 A CN201711471059 A CN 201711471059A CN 108177733 A CN108177733 A CN 108177733A
- Authority
- CN
- China
- Prior art keywords
- lifting
- fin keel
- vertical shaft
- guide rail
- lifting fin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B17/00—Vessels parts, details, or accessories, not otherwise provided for
- B63B2017/0054—Rests or supports for movable ship-borne equipment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of scientific surveying ship dedicated liftable fin systems, including extending the vertical shaft opened up vertically into cabin along hull bottom, the lifting fin keel for carrying detecting instrument is provided in vertical shaft, the both ends of lifting fin keel are separately provided for the guide rail mechanism that assistance for lifting fin keel slides lifting, guide rail mechanism is vertically laid with along the direction that opens up of vertical shaft on the borehole wall, it is provided with that lifting fin keel decline is driven to be detected or rise the driving mechanism withdrawn on the borehole wall of vertical shaft, one is further included when driving mechanism drives the precalculated position that drops in water of lifting fin keel to be detected for reducing the buffer gear of impact force of the driving mechanism with lifting fin keel junction.Buffer gear is not only more convenient connect oil cylinder with lifting fin keel, and when dropping to the work of underwater examinations, can effectively alleviate when ship navigate by water resistance to water-flow caused by lifting fin keel to the constant impingement power of oil cylinder and lifting fin keel.
Description
Technical field
The present invention relates to marine exploration instrument equipment technical field more particularly to a kind of scientific surveying ship dedicated liftables
Fin system.
Background technology
Laboratory of the scientific surveying ship as sea flowing is the key facility of marine exploration.At present, oceanographic survey
Marine exploration instrument on ship, some are directly installed on the outside plate of hull bottom, and some is installed on hull bottom plate or traditional
" axis-rudder " formula fin keel instrument room bottom, since underwater sound is measured with claimed below：
(1), it can be carried out under wide sea conditions (i.e. sea climate condition) and higher shipping sail speed
Work is measured, to shorten the period of measurement task, improves the utilization rate of ship and equipment；
(2), measuring instrument stretches out hull bottom a certain distance as far as possible, to avoid noise caused by hull and underwater bubble
Influence to measurement accuracy；
(3), measuring instrument position and the position of signal launch coordinate keep being relatively fixed constant, to ensure to measure number every time
According to precision；
(4), the efficiency of maintenance, maintenance and the replacement of instrument and its carrier is considered as possible and facility and is built and dimension
The cost repaiied.
The former the defects of, is that detecting devices can not avoid the turbosphere of floor, greatly reduces detection accuracy, can also
Since the Cavitation effect of turbosphere influences the service life of instrument；The disadvantage of latter configuration form be exactly be not easy to fin keel and
Maintenance, maintenance and the replacement of interior instrument must lie up once breaking down and repair, in addition, since fin keel is stretched for a long time
Go out other than hull, big by water flow impact pressure due to ship resistance, fin keel will be chronically at stress, need to set dedicated
Underwater locking device ensures the safe and stable of instrument room, and the opposite increase of real draft of scientific investigation ship can also be made (to stretch out ship
Fin keel height other than body), therefore its navigation area is restricted, fin keel service life shortens dramatically.The height of marine exploration activity
Scientific and technological property determines that fin keel instrument room should safe and reliable and vibration and noise reducing to a certain extent.But above-mentioned lifting fin keel
Device can not solve hull in navigation, influence of the resistance to water-flow to lifting fin keel, can so that lifting fin keel vibrates,
Connection directly between lifting fin keel and hull causes greater impact, connecting portion can be caused to damage long lasting for impact.
Invention content
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide one kind can pass through it
Elevating mechanism realizes fin keel instrument room moving up and down in hull interior deep-well, effectively avoids hull bottom bubble layer to detecting environment
Influence, and alleviate the scientific surveying ship dedicated liftable fin keel system that influences caused by resistance to water-flow is lifting fin keel
System.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of special liftable of scientific surveying ship
Formula fin system including extending the vertical shaft opened up vertically into cabin along hull bottom, is provided with to carry detector in vertical shaft
Device extends downwardly into the lifting fin keel that precalculated position is reached in water, the both ends difference of the lifting fin keel when detection along vertical shaft
Be provided with the guide rail mechanism that lifting is slided for assistance for lifting fin keel, guide rail mechanism along vertical shaft to open up direction vertical on the borehole wall
It is laid with, is provided on the guide rail mechanism when lifting fin keel and drop to the precalculated position in water for locking the lock of lifting fin keel
Pin is provided with for lifting fin keel decline to be driven to be detected or rise the driving mechanism withdrawn on the borehole wall of vertical shaft, also wraps
It includes one and is used to reduce driving mechanism when the precalculated position that driving mechanism drives lifting fin keel to drop in water is detected with rising
The buffer gear of the impact force of fin keel junction drops.
Above-mentioned scientific surveying ship dedicated liftable fin system, the buffer gear include being arranged on lifting fin keel
The pedestal with inner cavity, be provided in the lumen a fluid damping cavity that the inner cavity is divided into bottom being connect with pedestal and
The partition board of the elastic buffer chamber at top, the elastic buffer intracavitary are equipped with a connecting base plate being connected with driving mechanism, around even
The circumferential direction of joint chair plate is evenly equipped with multiple springs being connected with elastic buffer cavity wall, and one is provided in the bottom of connecting base plate downwards
The body of rod for the fluid damping cavity for being marked with high-viscosity oil is stretched into through partition board, the leaf of multiple connections intersected with each other is provided on the body of rod
Piece, offered on partition board allow the body of rod pass through for adapt to lifting fin keel generate vibration displacement when adjustment hole, it is described every
One is connected between plate and the body of rod for sealing the elastic rubber pouch of adjustment hole.
Above-mentioned scientific surveying ship dedicated liftable fin system, the aperture of the adjustment hole are more than the outer diameter of the body of rod.
Above-mentioned scientific surveying ship dedicated liftable fin system, the elastic rubber pouch upper end are fixed on outside the body of rod
Portion, lower end are fixed on the upper surface of partition board, are provided in partition board upper surface around adjustment hole and are connect with elastic rubber pouch
For enhancing the rubber layer of sealing performance.
Above-mentioned scientific surveying ship dedicated liftable fin system, the connecting base plate include a terminal pad, are connecting
The upper surface of disk is symmetrically arranged with two otic placodes being connected with driving mechanism, and the connection for connecting rotational pin is opened up on two otic placodes
Hole, the spring one end are connected on the internal chamber wall of pedestal, and the other end is connected in terminal pad, the body of rod along the center of terminal pad to
It is lower to be extended.
Above-mentioned scientific surveying ship dedicated liftable fin system, the driving mechanism are vertically fixed on vertical shaft including one
Two-stage oil cylinder on inner wall, down-set telescopic piston rod, the bottom end of the piston rod are provided with one and two in oil cylinder
The connector of otic placode rotation connection, connector are connect by the rotational pin being installed in connecting hole with two otic placodes.
Above-mentioned scientific surveying ship dedicated liftable fin system, the guide rail mechanism include vertically being set on lifting respectively
The main guide rail of fin keel forepart and the secondary guide rail of flipper postlaminar part both sides, lock pin are respectively arranged on main guide rail and two secondary guide rails,
The lifting area of a triangle is formed between main guide rail and two secondary guide rails, the lifting fin keel is located at the lifting of major and minor guide rail composition
In area.
Above-mentioned scientific surveying ship dedicated liftable fin system, the lifting fin keel include being had by what steel plate formed
The rotating part that the ship type tube body of double-layer structure, the forepart setting of ship type tube body and main guide rail are slidably matched, the rear portion of ship type tube body
Both sides set the right angle portion being slidably matched with two secondary guide rails respectively, and the instrument for installing testing stand is offered on ship type tube body
Cabin, the testing stand for carrying detecting instrument are fixed in instrument room and extend downwardly the bottom surface of ship type tube body.
Above-mentioned scientific surveying ship dedicated liftable fin system is equipped at the top of the vertical shaft to overhaul lifting
The lifting device of fin keel, the lifting device include hydraulic wireline winch, movable pulley and steel wire rope, and wirerope-winding is on hydraulic wireline winch
And stretch out, the top of vertical shaft is fixed on across movable pulley.
Above-mentioned scientific surveying ship dedicated liftable fin system, the two-stage oil cylinder pass through vertically arranged multiple solid
Determine snap-gauge to be fixed on vertical shaft inner wall.
The advantages of scientific surveying ship dedicated liftable fin system of the present invention is：For launching oceanographic survey detection
Instrument, the drawbacks of fin keel instrument room is effectively avoided to be chronically at other than hull, pass through driving mechanism not only effective protection fin keel instrument
Device cabin and the detection instrument of internal installation, and influence of the hull bottom bubble layer to detection can be reasonably avoided, it is provided for survey meter
Good detection environment, and it is simple in structure, convenient for the maintenance, maintenance and replacement of fin keel and interior instrument.And buffer gear
Setting, it is not only more convenient that oil cylinder connect with lifting fin keel, and when dropping to underwater examinations and working, can be effective
Alleviate when ship navigate by water resistance to water-flow lifting fin keel caused by oil cylinder and lifting fin keel constant impingement power, extend oil cylinder
And the service life of lifting fin keel.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is to lift the schematic enlarged-scale view that fin keel is connect with guide rail mechanism；
Fig. 3 is the schematic enlarged-scale view of buffer gear；
Fig. 4 is the overlooking structure figure of buffer gear；
Fig. 5 is the position assumption diagram that oil cylinder is connect with lifting fin keel；
Fig. 6 is the usage state diagram of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further details the present invention；
As shown in Fig. 1,2,3,4,5,6, a kind of scientific surveying ship dedicated liftable fin system, including along hull bottom 1 to
Extending the vertical shaft 3 opened up in cabin 2 vertically, the top of the vertical shaft 3 is equipped with the lifting device 5 for overhauling lifting fin keel 4,
The lifting device 5 includes 6 movable pulley 7 of hydraulic wireline winch and steel wire rope 8, steel wire rope 8 are wound on hydraulic wireline winch 6 and stretch out, wear
Cross the top that movable pulley 7 is fixed on vertical shaft 3.
Be provided in vertical shaft 3 for carry detecting instrument when detection when along vertical shaft 3 extend downwardly into water pass through bubble
Layer 9 reach precalculated positions lifting fin keel 4, bubble layer 9 by ship navigation during alow generate, generally hull bottom 1 to
2.5~2.9 meters lower, underwater detection needs to avoid the influence of bubble layer 9.The both ends of the lifting fin keel 4 are respectively arranged with use
The guide rail mechanism of lifting is slided in assistance for lifting fin keel 4, guide rail mechanism is vertically laid with along the direction that opens up of vertical shaft 3 on the borehole wall,
Be provided on the guide rail mechanism when lift fin keel 4 drop to the precalculated position in water when for lock lifting fin keel 4 lock pin
10, the guide rail mechanism includes vertically being set on the pair of the 4 rear portion both sides of main guide rail 11 and lifting fin keel of 4 forepart of lifting fin keel respectively
Guide rail 12, lock pin 10 are respectively arranged on the secondary guide rail 12 of main guide rail 11 and two, and one is formed between the secondary guide rail 12 of main guide rail 11 and two
The lifting area of triangle, the lifting fin keel 4 are located in the lifting area that the secondary guide rail 12 of main guide rail 11 and two forms.The flipper
Plate 4 includes the ship type tube body 13 with double-layer structure being made of steel plate, and the forepart setting of ship type tube body 13 is slided with main guide rail 11
The rotating part 14 of dynamic cooperation, the rear portion both sides of ship type tube body 13 set the right angle portion 15 being slidably matched with two secondary guide rails 12 respectively,
The instrument room 16 for installing testing stand is offered on ship type tube body 13, the testing stand 17 for carrying detecting instrument is fixed on
Instrument room 16 is interior and extends downwardly the bottom surface of ship type tube body 13.
It is provided with that lifting fin keel 4 is driven to decline the driving machine for being detected or rising and withdraw on the borehole wall of vertical shaft 3
Structure, driving mechanism includes a vertical two-stage oil cylinder 18 being fixed on 3 inner wall of vertical shaft, down-set in two-stage oil cylinder 18 to stretch
The piston rod 19 of contracting, the bottom end of the piston rod 19 are provided with a connector 32 being rotatablely connected with lifting fin keel 4,
One is further included to be used to reduce when the precalculated position that driving mechanism drives lifting fin keel 4 to drop in water is detected
Driving mechanism and the buffer gear 20 of the impact force of 4 junction of lifting fin keel.The buffer gear 20 includes being arranged on flipper
The pedestal 21 with inner cavity on plate 4 is provided with the oil that the inner cavity is divided into bottom being connect with pedestal 21 in the lumen
The partition board 24 of the elastic buffer chamber 23 at liquid damping cavity 22 and top, the elastic buffer chamber 23 is interior to be connected equipped with one with driving mechanism
Connecting base plate 25, be evenly equipped with multiple springs 26 being connected with 23 inner wall of elastic buffer chamber around the circumferential direction of connecting base plate 25,
The bottom of connecting base plate 25 is provided with the body of rod 27 for stretching into the fluid damping cavity 22 for being marked with high-viscosity oil through partition board 24 downwards,
The connecting base plate 25 include a terminal pad 28, be symmetrically arranged in the upper surface of terminal pad 28 one be connected with driving mechanism two
Otic placode 29 opens up the connecting hole 31 for connecting rotational pin 30 on two otic placodes 29, and described 26 one end of spring is connected to pedestal 21
On internal chamber wall, the other end is connected in terminal pad 28, and the center of the body of rod 27 along terminal pad 28 extends downwardly setting.Connector 32 passes through
The rotational pin 30 being installed in connecting hole 31 is connect with two otic placodes 29.Two-stage oil cylinder 18 passes through vertically arranged multiple fixing chuck plates
33 are fixed on the inner wall of vertical shaft 3.
The blade 34 of multiple connections intersected with each other is provided on the body of rod 27, being offered on partition board 24 allows the body of rod 27 to wear
That crosses is used to adapt to the adjustment hole 35 when lifting fin keel 4 generates vibration displacement, and the aperture of the adjustment hole 35 is more than the body of rod 27
Outer diameter.One is connected between the partition board 24 and the body of rod 27 for sealing the elastic rubber pouch 36 of adjustment hole 35.The elasticity
36 upper end of rubber pouch is fixed on outside the body of rod 27, and lower end is fixed on the upper surface of partition board 24, around adjustment hole 35 every
24 upper surface of plate is provided with the rubber layer 37 for being used to enhance sealing performance being connect with elastic rubber pouch 36.
The present invention working mechanism be：(1) when needing to carry out marine exploration, system will lift fin keel 4 in company with internal instrument
Device is down to hull baseline hereinafter, the bubble layer 9 of hull bottom 1 is avoided, so as to increase detection accuracy；(2) it is promoted during cruising condition
To position that is concordant with floor or rising, effectively reduce because lifting 4 increased ship resistance of fin keel, and effective protection lifts
Fin keel 4；(3) when lifting fin keel 4 and needing to safeguard, then hull interior, waterline are risen to upper bit, is lain up time so as to reduce
Number reduces use cost.
Certainly, it is limitation of the present invention that above description, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made should all belong to the present invention
Protection domain.
Claims (10)
1. a kind of scientific surveying ship dedicated liftable fin system, it is characterised in that：Including prolonging vertically into cabin along hull bottom
Stretch out the vertical shaft set, be provided in vertical shaft for carry detecting instrument extend downwardly into along vertical shaft when detection reached in water it is pre-
The lifting fin keel put is positioned, the both ends of the lifting fin keel are separately provided for the guide rail that assistance for lifting fin keel slides lifting
Mechanism, guide rail mechanism are vertically laid with along the direction that opens up of vertical shaft on the borehole wall, are provided on the guide rail mechanism when lifting fin keel
For locking the lock pin of lifting fin keel when dropping to the precalculated position in water, it is provided with to drive lifting on the borehole wall of vertical shaft
Fin keel decline is detected or rises the driving mechanism withdrawn, further includes one when driving mechanism driving lifting fin keel is dropped in water
Precalculated position when being detected for reducing the buffer gear of impact force of the driving mechanism with lifting fin keel junction.
2. scientific surveying ship dedicated liftable fin system according to claim 1, it is characterized in that：The buffer gear
Including be arranged on lifting fin keel on the pedestal with inner cavity, be provided in the lumen one connect with pedestal by the inner cavity divide
The partition board of the elastic buffer chamber of fluid damping cavity and top for bottom, the elastic buffer intracavitary are equipped with one and driving mechanism phase
Connecting base plate even, is evenly equipped with multiple springs being connected with elastic buffer cavity wall, in connecting seat around the circumferential direction of connecting base plate
The bottom of plate is provided with the body of rod for stretching into the fluid damping cavity for being marked with high-viscosity oil through partition board downwards, is provided on the body of rod
The blade of multiple connections intersected with each other, the lifting fin keel that is used to adapt to that being offered on partition board allows the body of rod to pass through generate vibration position
Adjustment hole during shifting is connected with one for sealing the elastic rubber pouch of adjustment hole between the partition board and the body of rod.
3. scientific surveying ship dedicated liftable fin system according to claim 2, it is characterized in that：The adjustment hole
Aperture is more than the outer diameter of the body of rod.
4. scientific surveying ship dedicated liftable fin system according to claim 3, it is characterized in that：The elastic rubber
Pouch upper end is fixed on outside the body of rod, and lower end is fixed on the upper surface of partition board, is set around adjustment hole in partition board upper surface
There is the rubber layer for being used to enhance sealing performance being connect with elastic rubber pouch.
5. scientific surveying ship dedicated liftable fin system according to claim 2, it is characterized in that：The connecting base plate
Including a terminal pad, two otic placodes being connected with driving mechanism are symmetrically arranged in the upper surface of terminal pad, are opened up on two otic placodes
For connecting the connecting hole of rotational pin, the spring one end is connected on the internal chamber wall of pedestal, and the other end is connected in terminal pad,
The center of the body of rod along terminal pad extends downwardly setting.
6. scientific surveying ship dedicated liftable fin system according to claim 5, it is characterized in that：The driving mechanism
Including a vertical two-stage oil cylinder being fixed on vertical shaft inner wall, down-set telescopic piston rod, described in two-stage oil cylinder
The bottom end of piston rod is provided with the connector of one and two otic placodes rotation connection, and connector passes through the rotational pin being installed in connecting hole and two
Otic placode connects.
7. scientific surveying ship dedicated liftable fin system according to claim 1, it is characterized in that：The guide rail mechanism
Including vertically set on the secondary guide rail of the main guide rail of flipper prelaminar part and flipper postlaminar part both sides, lock pin is respectively arranged at respectively
On main guide rail and two secondary guide rails, the lifting area of a triangle is formed between main guide rail and two secondary guide rails, the lifting fin keel is located at
In the lifting area of major and minor guide rail composition.
8. scientific surveying ship dedicated liftable fin system according to claim 7, it is characterized in that：The lifting fin keel
Including the ship type tube body with double-layer structure being made of steel plate, the forepart of ship type tube body is set to be returned with what main guide rail was slidably matched
Transfer part, the rear portion both sides of ship type tube body set the right angle portion being slidably matched with two secondary guide rails, are offered on ship type tube body respectively
For installing the instrument room of testing stand, the testing stand for carrying detecting instrument is fixed in instrument room and extends downwardly ship type tube
The bottom surface of body.
9. scientific surveying ship dedicated liftable fin system according to claim 1, it is characterized in that：The top of the vertical shaft
Portion is equipped with the lifting device for overhauling lifting fin keel, which includes hydraulic wireline winch, movable pulley and steel wire rope, steel
Cord is wound on hydraulic wireline winch and stretches out, and the top of vertical shaft is fixed on across movable pulley.
10. scientific surveying ship dedicated liftable fin system according to claim 6, it is characterized in that：The two-stage oil
Cylinder is fixed on by vertically arranged multiple fixing chuck plates on vertical shaft inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471059.9A CN108177733B (en) | 2017-12-22 | 2017-12-22 | A kind of scientific surveying ship dedicated liftable fin system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711471059.9A CN108177733B (en) | 2017-12-22 | 2017-12-22 | A kind of scientific surveying ship dedicated liftable fin system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108177733A true CN108177733A (en) | 2018-06-19 |
| CN108177733B CN108177733B (en) | 2019-08-13 |
Family
ID=62548847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711471059.9A Active CN108177733B (en) | 2017-12-22 | 2017-12-22 | A kind of scientific surveying ship dedicated liftable fin system |
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| CN (1) | CN108177733B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820131A (en) * | 2018-08-27 | 2018-11-16 | 中交海洋建设开发有限公司 | Underwater measurement of ship wave active compensation device |
| CN110077528A (en) * | 2019-04-24 | 2019-08-02 | 三峡大学 | A kind of Liftable type fin keel hydraulic lifting apparatus and method for automatically regulating based on stay wire displacement sensor |
| CN114222700A (en) * | 2021-11-15 | 2022-03-22 | 无锡市东舟船舶设备股份有限公司 | Fin lifting device |
| CN114269644A (en) * | 2021-11-15 | 2022-04-01 | 无锡市东舟船舶设备股份有限公司 | Fin lifting device and scientific investigation ship |
| CN115158530A (en) * | 2022-08-11 | 2022-10-11 | 浙江海洋大学 | High-stability water transportation platform |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820131A (en) * | 2018-08-27 | 2018-11-16 | 中交海洋建设开发有限公司 | Underwater measurement of ship wave active compensation device |
| CN108820131B (en) * | 2018-08-27 | 2023-12-08 | 中交海洋建设开发有限公司 | Marine wave active compensation device for underwater measurement |
| CN110077528A (en) * | 2019-04-24 | 2019-08-02 | 三峡大学 | A kind of Liftable type fin keel hydraulic lifting apparatus and method for automatically regulating based on stay wire displacement sensor |
| CN110077528B (en) * | 2019-04-24 | 2020-05-12 | 三峡大学 | Lifting type fin hydraulic lifting device based on stay wire displacement sensor and automatic regulation and control method |
| CN114222700A (en) * | 2021-11-15 | 2022-03-22 | 无锡市东舟船舶设备股份有限公司 | Fin lifting device |
| CN114269644A (en) * | 2021-11-15 | 2022-04-01 | 无锡市东舟船舶设备股份有限公司 | Fin lifting device and scientific investigation ship |
| WO2023082224A1 (en) * | 2021-11-15 | 2023-05-19 | 无锡市东舟船舶设备股份有限公司 | Fin stabilizer raising and lowering apparatus and research vessel |
| WO2023082225A1 (en) * | 2021-11-15 | 2023-05-19 | 无锡市东舟船舶设备股份有限公司 | Lifting fin device |
| CN114222700B (en) * | 2021-11-15 | 2024-02-20 | 无锡市东舟船舶设备股份有限公司 | Lifting fin device |
| CN114269644B (en) * | 2021-11-15 | 2024-02-20 | 无锡市东舟船舶设备股份有限公司 | Lifting fin device and scientific investigation ship |
| CN115158530A (en) * | 2022-08-11 | 2022-10-11 | 浙江海洋大学 | High-stability water transportation platform |
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| Publication number | Publication date |
|---|---|
| CN108177733B (en) | 2019-08-13 |
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