CN108974299A - A kind of holding type Propeller Guard device - Google Patents
A kind of holding type Propeller Guard device Download PDFInfo
- Publication number
- CN108974299A CN108974299A CN201810611438.1A CN201810611438A CN108974299A CN 108974299 A CN108974299 A CN 108974299A CN 201810611438 A CN201810611438 A CN 201810611438A CN 108974299 A CN108974299 A CN 108974299A
- Authority
- CN
- China
- Prior art keywords
- sawtooth
- blade
- propeller
- lid
- accommodating chamber
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/26—Blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
- B63H5/165—Propeller guards, line cutters or other means for protecting propellers or rudders
Abstract
The propulsion device used the present invention relates to ship in water more particularly to a kind of holding type Propeller Guard device, including propeller and stern tube shaft;The propeller includes blade and propeller hub;The sawtooth lid being slidably connected with guide margin for offering blade sawtooth on the guide margin of the blade and being covered on blade sawtooth;It is equipped with control sawtooth in the propeller hub and covers the driving device that accommodating chamber is slided and be received on guide margin.The beneficial effects of the present invention are: by the way that blade sawtooth is arranged on blade guide margin, twister can be cut by the rotation of propeller using while the rotation of propeller, by the way that sawtooth lid is arranged, it can make ship in normal/cruise, guarantee the normal work of propeller, avoid because blade zigzag fashion it is irregular caused by propeller generate a large amount of vacuoles, and then influence the normal operation of ship;The folding and unfolding of sawtooth lid is controlled by adding driving device in propeller hub.
Description
This case is with the applying date for 2017-09-20, and application No. is 201710849328.4, entitled " a kind of propeller is anti-
The divisional application that the patent of invention of protection unit " carries out for female case.
Technical field
The present invention relates to the Propeller Guard device of the various ships travelled in water, it is related to being wound or being hindered by various twisters
The marine propeller protection hindered and propulsion device, are specifically related to a kind of holding type Propeller Guard device.
Background technique
Propeller itself causes unpredictable serious consequence to marine organisms such as diver, frogman and sea dog dolphins, until
There are no effective solution methods both at home and abroad at present, and with the movable progress of modern marine, marine environment constantly deteriorates, in ocean
Rubbish floating object increase, ship navigate by water in water when, the propeller of ship be easy to by water floating material (such as water plant,
Fishing net, hawser etc.) winding, influence the normal work of propeller.It sometimes results in ship to run out of steam, cause a serious accident,
So being badly in need of one kind based on the above circumstances can be effectively solved method.
Summary of the invention
The technical problems to be solved by the present invention are: the floating material for being wrapped in propeller can be cut by providing one kind
It cuts, and when no floating material is wound, the holding type Propeller Guard device that propeller can be run as normal propeller.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: a kind of holding type Propeller Guard device,
Including propeller and stern tube shaft, the propeller is integrally formed formula ship's propeller with stern tube shaft;Beauty's frame is protruded into described stern tube shaft one end
It is interior to be connected with jackshaft, the fixed propeller of other end;
The propeller includes blade and propeller hub;Blade sawtooth is offered on the guide margin of the blade and is covered on blade saw
The sawtooth lid being slidably connected with guide margin on tooth;It is covered in the propeller hub equipped with control sawtooth and receiving is slided and be received on guide margin
The driving device of chamber is additionally provided with the accommodating chamber for storing sawtooth lid and driving device in the propeller hub.
Further, sawtooth platform is also provided on the guide margin, the blade sawtooth is connected on blade by sawtooth platform,
The two sides of the sawtooth platform are provided with the sliding slot for the sliding of sawtooth lid, and the inner sidewall of the sawtooth lid is equipped with to be adapted to sliding slot
Protrusion;The radial section of the protrusion is T font, and the sliding slot is that the section of the open space matched with T font protrusion is T
The holding tank of font, the thickness of the sawtooth platform are less than the thickness of blade, and the thickness of the blade sawtooth is less than the thickness of sawtooth platform
Degree;The length of the sawtooth lid is longer than the length of blade sawtooth platform.
Further, institute's accommodating chamber is equipped with the opening for the disengaging of sawtooth lid, the cross sectional shape and sawtooth of the opening
The radial cross-sectional shape of lid is identical.
Further, spring is equipped in the accommodating chamber, the spring one end is connected with sawtooth lid, and the other end is fixed on appearance
Receive the bottom of chamber.
Further, the driving device includes the motor shaft of motor and motor driven rotation, and the motor shaft passes through electricity
Machine fuselage, fixing end and driving end, the driving end including stretching out motor body both ends respectively are connect with chain collector, institute
Stating chain collector includes chain and spool;One end of the chain passes through opening and is connected with the tail end of the sawtooth lid, another
End is fixed on spool.
Further, the fixing end of the motor shaft is equipped with spider gear and electromagnetic locking device.
Further, etch-proof separation seal is provided between the chain collector being located at and motor on the motor shaft
Layer.
Further, the direction of rotation when edge of a knife direction of the blade sawtooth is advanced towards propeller.
The beneficial effects of the present invention are: by the way that blade sawtooth is arranged on blade guide margin, the rotation of propeller can be utilized
Twister is cut by the rotation of propeller while turning, by the way that sawtooth lid is arranged, ship can be made in normal/cruise
In, guarantee the normal work of propeller, avoid because blade zigzag fashion it is irregular caused by propeller generate a large amount of vacuoles,
And then influence the normal operation of ship;The folding and unfolding that sawtooth lid is controlled by adding driving device in propeller hub, so that the spiral shell of ship
Rotation paddle can the shape as needed to the guide margin of propeller control, it have structure it is simple, cutting thoroughly, propeller work
Make the advantages that high-efficient, can be applied to various ships, the failure caused with preventing from being wound by propeller;Improve anti-foreign matter
The ability of winding.
Detailed description of the invention
When Fig. 1 is that a kind of propeller sawtooth lid of holding type Propeller Guard device of the specific embodiment of the invention is closed
Structural schematic diagram;
When Fig. 2 is that a kind of propeller sawtooth lid of holding type Propeller Guard device of the specific embodiment of the invention is opened
Structural schematic diagram;
Fig. 3 is a kind of propeller blade cut-away section of holding type Propeller Guard device of the specific embodiment of the invention
Structural schematic diagram;
Label declaration:
1, propeller hub;2, propeller blade;3, sawtooth lid;4, blade sawtooth;5, raised;6, holding tank;7, sawtooth platform.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: can be cut to floating material by designing blade sawtooth in blade guide margin
It cuts;By designing sawtooth lid, the folding of sawtooth lid will can be controlled as needed;Guarantee the performance of propeller.
Please refer to Fig. 1 to Fig. 3, a kind of holding type Propeller Guard device, including propeller and stern tube shaft, the propeller with
Stern tube shaft is integrally formed formula ship's propeller;Described stern tube shaft one end is protruded into beauty's frame to be connected with jackshaft, and other end is fixed
Propeller;
The propeller includes blade and propeller hub 1;Blade sawtooth 4 is offered on the guide margin of the blade and is covered on blade
The sawtooth lid 3 being slidably connected with guide margin on sawtooth 4;Control sawtooth lid 3 is equipped in the propeller hub 1 to slide and store on guide margin
To the driving device of accommodating chamber, the accommodating chamber for storing sawtooth lid 3 and driving device is additionally provided in the propeller hub 1.
The course of work of the invention are as follows: if ship encounters twister winding during navigation, driven by control
The work of device is received into the sawtooth lid 3 on blade guide margin in the accommodating chamber of propeller hub 1, exposes blade sawtooth 4, to being wrapped in
Twister on propeller is cut, to be cut to finish, and after propeller disengages twister, by controlling driving device, makes to saw
Tooth lid 3 returns on the guide margin of blade, continues to navigate by water.
As can be seen from the above description, the beneficial effects of the present invention are: by the way that blade sawtooth 4, energy are arranged on blade guide margin
Enough twister is cut by the rotation of propeller using while the rotation of propeller, it, can by the way that sawtooth lid 3 is arranged
Make ship in normal/cruise, guarantee the normal work of propeller, avoid because 4 shape of blade sawtooth it is irregular caused by spiral shell
It revolves paddle and generates a large amount of vacuoles, and then influence the normal operation of ship;Sawtooth lid 3 is controlled by adding driving device in propeller hub 1
Folding and unfolding, the propeller of ship as needed controls the shape of the guide margin of propeller, it have structure letter
It is single, the advantages that thorough, propeller works are high-efficient is cut, various ships is can be applied to, is drawn with preventing from being wound by propeller
The failure of hair;Improve the ability of anti-foreign matter winding.
Further, sawtooth platform 7 is also provided on the guide margin, the blade sawtooth 4 is connected to blade by sawtooth platform 7
On, the two sides of the sawtooth platform 7 are provided with the sliding slot slided for sawtooth lid 3, and the inner sidewall of the sawtooth lid 3 is equipped with and sliding slot
The protrusion 5 of adaptation;Raised 5 radial section is T font, and the sliding slot is the open space matched with T font protrusion 5
Section be T font holding tank 6, the thickness of the sawtooth platform 7 is less than the thickness of blade, and the thickness of the blade sawtooth 4 is small
In the thickness of sawtooth platform 7;The length of the sawtooth lid 3 is longer than 4, blade sawtooth length.
Seen from the above description, it by being provided with the sliding slot slided for sawtooth lid 3 in the two sides of sawtooth platform 7, can will saw
Tooth lid 3 is fixed on the chute, and the blade root that blade is connect with propeller hub 1 is extended close to along guide margin by blade sawtooth 4 and sawtooth platform 7
Place, can there are parts for the space of the installation of sawtooth lid 3.It, can be preferably solid by sawtooth lid 3 by the way that T font sliding slot is arranged
It is scheduled on blade sawtooth 4, sawtooth lid 3 is avoided to fall off from propeller blade 2;The thickness of the sawtooth platform 7 is less than the thickness of blade
Degree, the thickness of blade sawtooth 4 are less than the thickness of sawtooth platform 7, can be 3 leaving space of sawtooth lid, avoid because of sawtooth lid 3 and blade
Thickness after sawtooth 4 cooperates is greater than vane thickness, and influences the propulsive performance of ship.Length by making sawtooth lid 3 is longer than saw
The length of tooth platform 7 can make sawtooth lid 3 in the case where not opening, can be formed and be closed to blade sawtooth 4, while sawtooth lid 3
Still some ensure that sawtooth lid 3 in the saw that will not be may cause because of closing is formed to blade sawtooth 4 in accommodating chamber
There are a distances between tooth lid 3 and the accommodating chamber, to affect the propulsive performance of propeller.
The blade sawtooth 4 and sawtooth platform 7 are extended close to along guide margin just to be stopped extending at blade root, in 4 He of blade sawtooth
Sawtooth platform 7 is to, there are a distance, the space of this section of distance occupied is used to sawtooth lid 3 being installed to blade sawtooth between blade root
On 4;In the case that the sawtooth lid 3 is closed, a closed space can be formed with blade guide margin.
Further, institute's accommodating chamber is equipped with the opening passed in and out for sawtooth lid 3, the cross sectional shape and sawtooth of the opening
The radial cross-sectional shape of lid 3 is identical.
Seen from the above description, by making the shape of accommodating chamber and the formability cooperation of sawtooth lid 3, this cooperation is increased
Water resistance can be interposed between outside, water is avoided to enter in accommodating chamber by accommodating chamber air-tightness;By adding spring, in daily navigation,
Sawtooth lid 3 can be made to be in stable closed state, prevented because the loosening of sawtooth lid 3 causes the variation of propulsive performance.
Further, spring is equipped in the accommodating chamber, the spring one end is connected with sawtooth lid 3, and the other end is fixed on
The bottom of accommodating chamber.
Seen from the above description, during vessel motion, sawtooth lid 3 is in closed state, can be to saw by spring
Tooth lid 3 is squeezed, and guarantees the tight type of sawtooth lid 3, avoids the propulsive performance hair of ship caused by the loosening because of sawtooth lid 3
Changing.And what is be equipped in accommodating chamber can be not necessarily spring, the device that can reach spring effect same can also replace bullet
Spring.
Further, the driving device includes the motor shaft of motor and motor driven rotation, and the motor shaft passes through electricity
Machine fuselage, fixing end and driving end, the driving end including stretching out motor body both ends respectively are connect with chain collector, institute
Stating chain collector includes chain and spool;One end of the chain passes through opening and is connected with the tail end of the sawtooth lid 3, another
End is fixed on spool.
It seen from the above description, include the motor shaft of motor and motor driven rotation by driving device, and in motor shaft
Chain collector and chain, the movement of chain is controlled by the rotation of control motor, and then control the movement of sawtooth lid 3,
In income to containing cavities to control sawtooth lid 3, when needing sawtooth lid 3 to close blade sawtooth 4, it is only necessary to stop
Power supply, passes through the effect of the spring, it will be able to return to sawtooth lid 3 on blade guide margin, close to blade sawtooth 4;And
Can the aperture as needed to sawtooth lid 3 control, be easy to use.
The power supply of driving device can lead to hull stern tube shaft part and be connected with power supply system on ship, be supplied by ship power supply system
Electricity, or battery can be added in propeller hub 1, it is that battery carries out filling energy and to driving device by wireless power supply system
It is controlled.
Further, the fixing end of the motor shaft is equipped with spider gear and electromagnetic locking device.
Seen from the above description, by spider gear and electromagnetic locking device, sawtooth lid 3 can be taken in into accommodating chamber
Afterwards, by the cooperation of spider gear and electromagnetic locking device, fix motor shaft, motor shaft fixing end chain collector simultaneously
Also it is fixed, bounces back into sawtooth lid 3 on the blade guide margin so as to avoid the elasticity because of spring.
Further, etch-proof separation seal is provided between the chain collector being located at and motor on the motor shaft
Layer.
Seen from the above description, it by the way that etch-proof wall is arranged between chain collector and motor, can prevent
The water for penetrating into the accommodating chamber bottom opening enters in motor, corrosion electrical motor.
Further, the direction of rotation when edge of a knife direction of the blade sawtooth 4 is advanced towards propeller.
Seen from the above description, direction of rotation when being advanced by the edge of a knife of blade sawtooth 4 towards propeller, i.e. ship
When advancing, it is only necessary to open sawtooth lid 3, not need doing extra movement, it will be able to effectively cut twister
It cuts, is easy to use.
Embodiment 1
Please refer to Fig. 1-Fig. 3, a kind of holding type Propeller Guard device, including propeller and stern tube shaft, the propeller with
Stern tube shaft is integrally formed formula ship's propeller;Described stern tube shaft one end is protruded into beauty's frame to be connected with jackshaft, and other end is fixed
Propeller;
The propeller includes blade and propeller hub 1;Blade sawtooth 4 is offered on the guide margin of the blade and is covered on blade
The sawtooth lid 3 being slidably connected with guide margin on sawtooth 4;Control sawtooth lid 3 is equipped in the propeller hub 1 to slide and store on guide margin
To the driving device of accommodating chamber, the accommodating chamber for storing sawtooth lid 3 and driving device is additionally provided in the propeller hub 1.
Further, sawtooth platform 7 is also provided on the guide margin, the blade sawtooth 4 is connected to blade by sawtooth platform 7
On, the two sides of the sawtooth platform 7 are provided with the sliding slot slided for sawtooth lid 3, and the inner sidewall of the sawtooth lid 3 is equipped with and sliding slot
The protrusion 5 of adaptation;Raised 5 radial section is T font, and the sliding slot is the open space matched with T font protrusion 5
Section be T font holding tank 6, the thickness of the sawtooth platform 7 is less than the thickness of blade, and the thickness of the blade sawtooth 4 is small
In the thickness of sawtooth platform 7;The length of the sawtooth lid 3 is longer than 4, blade sawtooth length.
The sliding slot extends in the accommodating chamber along guide margin to blade root direction, and the length of the sawtooth lid 3 is longer than
The length that blade sawtooth is 4.Institute's accommodating chamber is equipped with the opening passed in and out for sawtooth lid 3, the cross sectional shape and saw of the opening
The radial cross-sectional shape of tooth lid 3 is identical.Spring is equipped in the accommodating chamber, the spring one end is connected with sawtooth lid 3, the other end
It is fixed on the bottom of accommodating chamber.
The driving device includes the motor shaft of motor and motor driven rotation, and the motor shaft passes through motor body, packet
The fixing end for stretching out motor body both ends respectively and driving end are included, the driving end is connect with chain collector, and the chain is received
Storage includes chain and spool;One end of the chain passes through opening and is connected with the tail end of the sawtooth lid 3, and the other end is fixed on
On spool.
The fixing end of the motor shaft is equipped with spider gear and electromagnetic locking device.The chain being located on the motor shaft is collected
Etch-proof separation seal layer is provided between device and motor.When the edge of a knife direction of the blade sawtooth 4 is advanced towards propeller
Direction of rotation.
In conclusion a kind of holding type Propeller Guard device provided by the invention is by being arranged blade on blade guide margin
Sawtooth can cut twister by the rotation of propeller using while the rotation of propeller, by the way that sawtooth is arranged
Lid, can make ship in normal/cruise, guarantee the normal work of propeller, avoid irregularly drawing because of blade zigzag fashion
The propeller risen generates a large amount of vacuoles, and then influences the normal operation of ship;By adding driving device control saw in propeller hub
The folding and unfolding of tooth lid enables the propeller of ship to control as needed the shape of the guide margin of propeller, it has knot
The advantages that structure is simple, and cutting is thoroughly, propeller works are high-efficient, can be applied to various ships, to prevent from being wound by propeller
And the failure caused;Improve the ability of anti-foreign matter winding.
It is provided with the T font sliding slot slided for sawtooth lid by adding the two sides in sawtooth platform, it can be more preferable by sawtooth lid
Be fixed on blade sawtooth, avoid sawtooth lid from falling off from screw blade on piece;The thickness of blade sawtooth is less than the thickness of sawtooth platform
Degree can be sawtooth lid leaving space, avoid being greater than vane thickness because of the thickness after sawtooth lid and blade jigsaw fit, and influence
The propulsive performance of ship.
Length by making sawtooth lid is longer than the length of sawtooth platform, and sawtooth can be made to cover in the case where not opening, can
Blade sawtooth is formed and is closed, at the same sawtooth lid still some ensure that sawtooth is covered will not be because of to paddle in accommodating chamber
Leaf sawtooth forms closing and there are a distances between the sawtooth lid that may cause and the accommodating chamber, to affect propeller
Propulsive performance.
By keeping the opening shape of accommodating chamber identical as the radial shape of sawtooth lid, this cooperation increases accommodating chamber gas
Water resistance can be interposed between outside, water is avoided to enter in accommodating chamber by close property;By adding spring, in daily navigation, can make to saw
Tooth lid is in stable closed state, prevents because the loosening of sawtooth lid causes the variation of propulsive performance.
During vessel motion, sawtooth lid is in closed state, by spring, can squeeze sawtooth lid, protects
The tight type for demonstrate,proving sawtooth lid avoids the propulsive performance of ship caused by the loosening because of sawtooth lid from changing.And in accommodating chamber
What is be equipped with can be not necessarily spring, and the device that can reach spring effect same can also replace spring.
It include the motor shaft of motor and motor driven rotation, and chain collector and chain in motor shaft by driving device
Item, the movement of chain is controlled by the rotation of control motor, and then controls the movement of sawtooth lid, to control the receipts of sawtooth lid
Enter into containing cavities, when needing sawtooth lid to close blade sawtooth, it is only necessary to stop power supply, pass through the work of the spring
With, it will be able to it returns to sawtooth lid on blade guide margin, blade sawtooth is closed;And sawtooth lid can be opened as needed
Degree is controlled, and is easy to use.
By spider gear and electromagnetic locking device, after sawtooth lid can be taken in into accommodating chamber, by spider gear with
The cooperation of electromagnetic locking device, fixes motor shaft, is also fixed simultaneously in the chain collector of motor shaft fixing end, to avoid
Because the elasticity of spring bounces back into sawtooth lid on the blade guide margin.
By the way that etch-proof wall is arranged between chain collector and motor, can prevent from penetrating into the accommodating chamber
The water of bottom opening enters in motor, corrosion electrical motor.
Direction of rotation when being advanced by the edge of a knife of blade sawtooth towards propeller, i.e., ship is when advancing, it is only necessary to
Sawtooth lid is opened, does not need doing extra movement, it will be able to effectively twister be cut, be easy to use.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (3)
1. a kind of holding type Propeller Guard device, which is characterized in that including propeller, the propeller includes blade and paddle
Hub;The sawtooth lid being slidably connected with guide margin for offering blade sawtooth on the guide margin of the blade and being covered on blade sawtooth;
It is equipped with control sawtooth in the propeller hub and covers the driving device that accommodating chamber is slided and be received on guide margin, is additionally provided in the propeller hub
For storing the accommodating chamber of sawtooth lid and driving device;
Sawtooth platform is also provided on the guide margin, the blade sawtooth is connected on blade by sawtooth platform, the sawtooth platform
Two sides are provided with the sliding slot for the sliding of sawtooth lid, and the inner sidewall of the sawtooth lid is equipped with the protrusion being adapted to sliding slot;It is described convex
The radial section risen is T font, and the sliding slot is that the section of the open space matched with T font protrusion is the receiving of T font
Slot, the thickness of the sawtooth platform are less than the thickness of blade, and the thickness of the blade sawtooth is less than the thickness of sawtooth platform;The sawtooth
The length of lid is longer than the length of blade sawtooth platform;Spring is equipped in the accommodating chamber, the spring one end is connected with sawtooth lid, separately
One end is fixed on the bottom of accommodating chamber;The direction of rotation when edge of a knife direction of the blade sawtooth is advanced towards propeller;
The accommodating chamber is equipped with the opening for the disengaging of sawtooth lid, the cross sectional shape of the opening and the radial section of sawtooth lid
Shape is identical;
The driving device includes the motor shaft of motor and motor driven rotation, and the motor shaft passes through motor body, including divides
Not Shen Chu motor body both ends fixing end and driving end, the driving end connect with chain collector, the chain collector
Including chain and spool;One end of the chain passes through opening and is connected with the tail end of the sawtooth lid, and the other end is fixed on spool
On.
2. holding type Propeller Guard device according to claim 1, which is characterized in that the chain being located on the motor shaft
Etch-proof separation seal layer is provided between collector and motor.
3. holding type Propeller Guard device according to claim 1, which is characterized in that the fixing end of the motor shaft is set
There are spider gear and electromagnetic locking device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810611438.1A CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710849328.4A CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
CN201810611438.1A CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
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CN201710849328.4A Division CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
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CN108974299A true CN108974299A (en) | 2018-12-11 |
CN108974299B CN108974299B (en) | 2020-01-07 |
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CN201810611447.0A Active CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
CN201810611526.1A Active CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
CN201710849328.4A Active CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
CN201810611438.1A Active CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
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CN201810611447.0A Active CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
CN201810611526.1A Active CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
CN201710849328.4A Active CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
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CN108820175A (en) * | 2017-09-20 | 2018-11-16 | 航天晨光(福建)管业科技有限公司 | A kind of ship's propeller that cutting type is antiwind |
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CN108263587A (en) * | 2018-04-03 | 2018-07-10 | 中国科学院大气物理研究所 | unmanned boat propulsion device with cutting function |
CN109466733B (en) * | 2018-10-25 | 2020-11-27 | 涡阳县信隆船舶附件有限公司 | Multi-stage remediation control method for propeller incapability |
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Also Published As
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CN108791787B (en) | 2019-08-13 |
CN108791787A (en) | 2018-11-13 |
CN108820175B (en) | 2019-12-17 |
CN107554733B (en) | 2018-06-19 |
CN108820175A (en) | 2018-11-16 |
CN107554733A (en) | 2018-01-09 |
CN108974299B (en) | 2020-01-07 |
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