CN107554733B - A kind of Propeller Guard device - Google Patents
A kind of Propeller Guard device Download PDFInfo
- Publication number
- CN107554733B CN107554733B CN201710849328.4A CN201710849328A CN107554733B CN 107554733 B CN107554733 B CN 107554733B CN 201710849328 A CN201710849328 A CN 201710849328A CN 107554733 B CN107554733 B CN 107554733B
- Authority
- CN
- China
- Prior art keywords
- sawtooth
- propeller
- blade
- 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.)
- Expired - Fee Related
Links
- 230000003796 beauty Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 241001589086 Bellapiscis medius Species 0.000 abstract description 10
- 230000001788 irregular Effects 0.000 abstract description 4
- 210000003934 vacuole Anatomy 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000001141 propulsive effect Effects 0.000 description 8
- 241000239290 Araneae Species 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 241001125840 Coryphaenidae Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Prevention Of Electric Corrosion (AREA)
- Toys (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
- Sawing (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The propulsion device used the present invention relates to ship in water more particularly to a kind of 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 that blade sawtooth is offered on the guide margin of the blade and is covered on blade sawtooth；Control sawtooth is equipped 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 setting blade sawtooth on blade guide margin, twister can be cut by the rotation of propeller using while the rotation of propeller, by setting sawtooth lid, it can make ship in normal/cruise, ensure 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
Technical field
The present invention relates to the Propeller Guard devices of the various ships travelled in water, are related to being wound or being hindered by various twisters
The marine propeller protection hindered and propulsion device, more particularly to a kind of Propeller Guard device.
Background technology
Propeller itself causes unpredictable serious consequence to marine organisms such as diver, frogman and sea dog dolphins, until
There are no effective solutions both at home and abroad at present, and with the progress of modern marine activity, 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.) it winds, influence the normal work of propeller.It sometimes results in ship to run out of steam, cause a serious accident,
It being capable of effective solution so being badly in need of one kind based on case above.
Invention content
The technical problems to be solved by the invention are：There is provided a kind of can cut the floating material for being wrapped in propeller
It cuts, and when no floating material is wound, the 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 is：A kind of Propeller Guard device, including spiral shell
Rotation paddle and stern tube shaft, the propeller are integrally formed formula ship's propeller with stern tube shaft；Described stern tube shaft one end is stretched into beauty's frame in
Countershaft is connected, 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 in 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 storage sawtooth lid and driving device in the propeller hub.
Further, sawtooth platform is further opened on the guide margin, the blade sawtooth is connected to by sawtooth platform on blade,
The both sides of the sawtooth platform are provided with the sliding slot slided for sawtooth lid, and the madial wall of the sawtooth lid is equipped with what is be adapted to sliding slot
Protrusion；The radial section of the protrusion is T fonts, and the sliding slot is T for the section with the matched open space of T fonts protrusion
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 motor and the motor shaft of motor driving rotation, and the motor shaft passes through electricity
Machine fuselage, including stretching out the fixing end at motor body both ends and driving end respectively, the driving end is connect with chain collector, institute
It states chain collector and includes chain and spool；One end of the chain passes through opening to be 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 and motor that are located on the motor shaft
Layer.
Further, the edge of a knife direction of the blade sawtooth towards propeller advance when direction of rotation.
The beneficial effects of the present invention are：By setting blade sawtooth on blade guide margin, the rotation of propeller can be utilized
Twister is cut by the rotation of propeller while turning, by setting sawtooth lid, ship can be made in normal/cruise
In, ensure 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 so that the spiral shell of ship
Rotation paddle the shape of the guide margin of propeller can be controlled as needed, it have it is simple in structure, cutting thoroughly, propeller work
Make the advantages that 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.
Description of the drawings
Fig. 1 is structure when a kind of propeller sawtooth lid of Propeller Guard device of the specific embodiment of the invention is closed
Schematic diagram；
Fig. 2 is structure when a kind of propeller sawtooth lid of Propeller Guard device of the specific embodiment of the invention is opened
Schematic diagram；
Fig. 3 is that a kind of propeller blade cut-away section structure of Propeller Guard device of the specific embodiment of the invention is shown
It is intended to；
Label declaration：
1st, propeller hub；2nd, propeller blade；3rd, sawtooth lid；4th, blade sawtooth；5th, it is raised；6th, holding tank；7th, sawtooth platform.
Specific embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：By designing blade sawtooth in blade guide margin, floating material can be cut
It cuts；By designing sawtooth lid, the folding that will can as needed control sawtooth lid；Ensure the performance of propeller.
Please refer to Fig. 1 to Fig. 3, a kind of Propeller Guard device, including propeller and stern tube shaft, the propeller and stern tube shaft structure
Integrated ship's propeller；Described stern tube shaft one end is stretched into beauty's frame to be connected with jackshaft, the fixed propeller of other end；
The propeller includes blade and propeller hub 1；Blade sawtooth 4 is offered on the guide margin of the blade and is covered in 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 storage sawtooth lid 3 and driving device is additionally provided in the propeller hub 1.
The present invention the course of work be：Ship, if when encountering twister winding, is being driven during navigation by controlling
The work of device makes the sawtooth lid 3 on blade guide margin be received into 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 saw
Tooth lid 3 is returned 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 setting blade sawtooth 4, energy on blade guide margin
Enough twister is cut by the rotation of propeller using while the rotation of propeller, it, can by setting sawtooth lid 3
Make ship in normal/cruise, ensure 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 so that the propeller of ship can as needed control the shape of the guide margin of propeller, it have structure letter
It is single, the advantages that thorough, propeller works are 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 further opened on the guide margin, the blade sawtooth 4 is connected to blade by sawtooth platform 7
On, the both sides of the sawtooth platform 7 are provided with the sliding slot slided for sawtooth lid 3, and the madial wall of the sawtooth lid 3 is equipped with and sliding slot
The protrusion 5 of adaptation；Raised 5 radial section is T fonts, and the sliding slot is and the raised 5 matched open spaces of T fonts
Section be T fonts 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 the length of 4, blade sawtooth.
Seen from the above description, it by being provided with the sliding slot slided for sawtooth lid 3 in the both sides of sawtooth platform 7, can will saw
Tooth lid 3 is fixed on the chute, and the blade root that blade connect with propeller hub 1 is extended close to along guide margin by blade sawtooth 4 and sawtooth platform 7
Place, can be there are part for the space of the installation of sawtooth lid 3.It, can be preferably solid by sawtooth lid 3 by setting T font sliding slots
It is scheduled on blade sawtooth 4, sawtooth lid 3 is avoided to come 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 coordinates is more than vane thickness, and influences the propulsive performance of ship.Saw is longer than by the length for making sawtooth lid 3
The length of tooth platform 7 can make sawtooth lid 3 in the case where not opening, and blade sawtooth 4 can be formed and closed, while sawtooth lid 3
Still some ensure that sawtooth lid 3 caused will not may sawed because closing is formed to blade sawtooth 4 in accommodating chamber
There are a distance between tooth lid 3 and the accommodating chamber, so as to affect the propulsive performance of propeller.
The blade sawtooth 4 and sawtooth platform 7 extend close to just stop extending at blade root along guide margin, in 4 He of blade sawtooth
Sawtooth platform 7 to be used to sawtooth lid 3 being installed to blade sawtooth to there are a distances, the space occupied of this segment distance between blade root
On 4；In the case that the sawtooth lid 3 is closed, the space of a closing 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 the way that the shape of accommodating chamber is made to coordinate with the formability of sawtooth lid 3, this cooperation increases
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 ensures the tight type of sawtooth lid 3, the propulsive performance of the ship caused by the loosening of sawtooth lid 3 is avoided to send out
Changing.And what is be equipped in accommodating chamber can be not necessarily spring, can reach the device of spring effect same can also replace bullet
Spring.
Further, the driving device includes motor and the motor shaft of motor driving rotation, and the motor shaft passes through electricity
Machine fuselage, including stretching out the fixing end at motor body both ends and driving end respectively, the driving end is connect with chain collector, institute
It states chain collector and includes chain and spool；One end of the chain passes through opening to be connected with the tail end of the sawtooth lid 3, another
End is fixed on spool.
Seen from the above description, the motor shaft of motor and motor driving rotation is included and in motor shaft by driving device
Chain collector and chain, control the movement of chain, and then control the movement of sawtooth lid 3 by controlling the rotation of motor,
So as to control in the income to containing cavities of sawtooth lid 3, when sawtooth lid 3 is needed 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 sawtooth lid 3 be made to return on blade guide margin, blade sawtooth 4 is closed；And
The aperture of sawtooth lid 3 can be controlled as needed, it is easy to use.
The power supply of driving device can lead to hull stern tube shaft part and be connected with electric power system on ship, be supplied by ship electric power system
Electricity can add accumulator in propeller hub 1, be that accumulator 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 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, is bounce 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 and motor that are located on the motor shaft
Layer.
Seen from the above description, it by setting etch-proof wall between chain collector and motor, can prevent
The water for penetrating into the accommodating chamber bottom opening is entered in motor, corrosion electrical motor.
Further, the edge of a knife direction of the blade sawtooth 4 towards propeller advance when direction of rotation.
Seen from the above description, by be blade sawtooth 4 the edge of a knife towards propeller advance when direction of rotation, i.e. ship
When advancing, it is only necessary to open sawtooth lid 3, not need to doing extra action, it will be able to effectively cut twister
It cuts, it is easy to use.
Embodiment 1
Please refer to Fig. 1-Fig. 3, a kind of Propeller Guard device, including propeller and stern tube shaft, the propeller and stern tube shaft structure
Integrated ship's propeller；Described stern tube shaft one end is stretched into beauty's frame to be connected with jackshaft, the fixed propeller of other end；
The propeller includes blade and propeller hub 1；Blade sawtooth 4 is offered on the guide margin of the blade and is covered in 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 storage sawtooth lid 3 and driving device is additionally provided in the propeller hub 1.
Further, sawtooth platform 7 is further opened on the guide margin, the blade sawtooth 4 is connected to blade by sawtooth platform 7
On, the both sides of the sawtooth platform 7 are provided with the sliding slot slided for sawtooth lid 3, and the madial wall of the sawtooth lid 3 is equipped with and sliding slot
The protrusion 5 of adaptation；Raised 5 radial section is T fonts, and the sliding slot is and the raised 5 matched open spaces of T fonts
Section be T fonts 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 the length of 4, blade sawtooth.
The sliding slot is extended to blade root direction in the accommodating chamber along guide margin, 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 motor and the motor shaft of motor driving 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 to be 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.The edge of a knife direction of the blade sawtooth 4 towards propeller advance when
Direction of rotation.
In conclusion a kind of Propeller Guard device provided by the invention by blade guide margin set blade sawtooth,
Twister can be cut by the rotation of propeller using while the rotation of propeller, by setting sawtooth lid, energy
Ship is enough made to ensure the normal work of propeller in normal/cruise, avoid because blade zigzag fashion it is irregular caused by
Propeller generates a large amount of vacuoles, and then influences the normal operation of ship；Sawtooth lid is controlled by adding driving device in propeller hub
Folding and unfolding so that the propeller of ship can as needed control the shape of the guide margin of propeller, it have structure letter
It is single, the advantages that thorough, propeller works are 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.
It, can be more preferable by sawtooth lid by adding the T font sliding slots for being provided in the both sides of sawtooth platform and being slided for sawtooth lid
Be fixed on blade sawtooth, sawtooth lid is avoided to come 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 more than vane thickness because of the thickness after sawtooth lid and blade jigsaw fit, and influence
The propulsive performance of ship.
It is longer than the length of sawtooth platform by the length for making sawtooth lid, sawtooth can be made to cover in the case where not opening, it can
Blade sawtooth is formed and is closed, at the same sawtooth lid still some in accommodating chamber, ensure that sawtooth is covered will not be because of to paddle
Leaf sawtooth formed closing and may caused by between sawtooth lid and the accommodating chamber there are a distance, so as to affect propeller
Propulsive performance.
Opening shape by making accommodating chamber is identical with the radial shape of sawtooth lid, and 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, saw can be made
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, and by spring, sawtooth lid can be squeezed, and protects
The tight type of sawtooth lid is demonstrate,proved, the propulsive performance of the ship caused by the loosening of sawtooth lid is avoided to change.And in accommodating chamber
What is be equipped with can be not necessarily spring, can reach the device of spring effect same and can also replace spring.
The motor shaft and the chain collector and chain in motor shaft that motor and motor driving rotation are included by driving device
Item controls the movement of chain, and then control the movement of sawtooth lid, so as to control the receipts of sawtooth lid by controlling the rotation of motor
Enter into containing cavities, when sawtooth lid is needed 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 sawtooth lid is made to return on blade guide margin, blade sawtooth is closed；And sawtooth lid can be opened as needed
Degree is controlled, easy to use.
By spider gear and electromagnetic locking device, after can sawtooth lid 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, so as to avoid
Because the elasticity of spring bounces back into sawtooth lid on the blade guide margin.
By setting etch-proof wall between chain collector and motor, can prevent from penetrating into the accommodating chamber
The water of bottom opening is entered in motor, corrosion electrical motor.
By be blade sawtooth the edge of a knife towards propeller advance when direction of rotation, i.e., ship advance when, it is only necessary to
Sawtooth lid is opened, does not need to doing extra action, it will be able to effectively twister is cut, it is easy to use.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made directly or indirectly are used in relevant technical field, similarly include
In the scope of patent protection of the present invention.
Claims (7)
1. a kind of Propeller Guard device, which is characterized in that including propeller and stern tube shaft, the propeller is integrally formed with stern tube shaft
Formula ship's propeller；Described stern tube shaft one end is stretched into beauty's frame 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 sawtooth
The sawtooth lid being slidably connected with guide margin；It is covered in the propeller hub equipped with control sawtooth and accommodating chamber is slided and be received on guide margin
Driving device is additionally provided with the accommodating chamber for storage sawtooth lid and driving device in the propeller hub；
Sawtooth platform is further opened on the guide margin, the blade sawtooth is connected to by sawtooth platform on blade, the sawtooth platform
Both sides are provided with the sliding slot slided for sawtooth lid, and the madial wall 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, the sliding slot is with the section of the matched open space of T fonts protrusion is T fonts receiving
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.
2. Propeller Guard device according to claim 1, which is characterized in that the accommodating chamber is equipped with for sawtooth lid
The opening of disengaging, the cross sectional shape of the opening are identical with the radial cross-sectional shape of sawtooth lid.
3. Propeller Guard device according to claim 2, which is characterized in that the driving device includes motor and motor
The motor shaft of rotation is driven, the motor shaft passes through motor body, fixing end and drive including stretching out motor body both ends respectively
Moved end, the driving end are connect with chain collector, and the chain collector includes chain and spool；It wears one end of the chain
It crosses opening with the tail end of the sawtooth lid to be connected, the other end is fixed on spool.
4. Propeller Guard device according to claim 3, which is characterized in that the fixing end of the motor shaft is equipped with star
Gear and electromagnetic locking device.
5. Propeller Guard device according to claim 3, which is characterized in that the chain being located on the motor shaft is collected
Etch-proof separation seal layer is provided between device and motor.
6. Propeller Guard device according to claim 1, which is characterized in that spring is equipped in the accommodating chamber, it is described
Spring one end is connected with sawtooth lid, and the other end is fixed on the bottom of accommodating chamber.
7. Propeller Guard device according to claim 1, which is characterized in that the edge of a knife direction direction of the blade sawtooth
Direction of rotation when propeller advances.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611438.1A CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
| CN201810611447.0A CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
| CN201710849328.4A CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
| CN201810611526.1A CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710849328.4A CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611526.1A Division CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
| CN201810611447.0A Division CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
| CN201810611438.1A Division CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107554733A CN107554733A (en) | 2018-01-09 |
| CN107554733B true CN107554733B (en) | 2018-06-19 |
Family
ID=60981582
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611447.0A Expired - Fee Related CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
| CN201810611438.1A Expired - Fee Related CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
| CN201710849328.4A Expired - Fee Related CN107554733B (en) | 2017-09-20 | 2017-09-20 | A kind of Propeller Guard device |
| CN201810611526.1A Expired - Fee Related CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611447.0A Expired - Fee Related CN108791787B (en) | 2017-09-20 | 2017-09-20 | A kind of adjustable type propeller protective device |
| CN201810611438.1A Expired - Fee Related CN108974299B (en) | 2017-09-20 | 2017-09-20 | Accommodating type propeller protection device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611526.1A Expired - Fee Related CN108820175B (en) | 2017-09-20 | 2017-09-20 | Cutting type anti-winding marine propeller |
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| CN (4) | CN108791787B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108791787B (en) * | 2017-09-20 | 2019-08-13 | 航天晨光（福建）管业科技有限公司 | A kind of adjustable type propeller protective device |
| CN108263587B (en) * | 2018-04-03 | 2024-06-25 | 中国科学院大气物理研究所 | Unmanned ship 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 |
| CN109178274B (en) * | 2018-11-02 | 2020-07-14 | 东台海工安全科技有限公司 | Marine screw fishing net cutting knife mechanism |
| CN109178273B (en) * | 2018-11-02 | 2020-07-17 | 东台海工安全科技有限公司 | Movably-mounted marine propeller fishing net cutting knife mechanism |
| CN110654518A (en) * | 2019-09-20 | 2020-01-07 | 浙江派尼尔科技股份有限公司 | Screw for preventing fishing net and aquatic plants at water inlet of unmanned intelligent robot |
| CN112693585B (en) * | 2021-01-15 | 2021-10-29 | 中国船舶科学研究中心 | Device for improving root cavitation of propeller for high-speed ship and using method thereof |
| CN116620535B (en) * | 2023-07-24 | 2023-09-22 | 江苏环保产业技术研究院股份公司 | Landscape type floating pontoon water quality monitoring station |
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- 2017-09-20 CN CN201810611447.0A patent/CN108791787B/en not_active Expired - Fee Related
- 2017-09-20 CN CN201810611438.1A patent/CN108974299B/en not_active Expired - Fee Related
- 2017-09-20 CN CN201710849328.4A patent/CN107554733B/en not_active Expired - Fee Related
- 2017-09-20 CN CN201810611526.1A patent/CN108820175B/en not_active Expired - Fee Related
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| CN203078743U (en) * | 2013-03-12 | 2013-07-24 | 张建新 | Sawtooth propeller |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107554733A (en) | 2018-01-09 |
| CN108820175B (en) | 2019-12-17 |
| CN108791787A (en) | 2018-11-13 |
| CN108820175A (en) | 2018-11-16 |
| CN108791787B (en) | 2019-08-13 |
| CN108974299A (en) | 2018-12-11 |
| CN108974299B (en) | 2020-01-07 |
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