CN112937824A - Propeller entanglement cutting device - Google Patents
Propeller entanglement cutting device Download PDFInfo
- Publication number
- CN112937824A CN112937824A CN202110348339.0A CN202110348339A CN112937824A CN 112937824 A CN112937824 A CN 112937824A CN 202110348339 A CN202110348339 A CN 202110348339A CN 112937824 A CN112937824 A CN 112937824A
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- CN
- China
- Prior art keywords
- propeller
- cavity
- winding
- positioning sleeve
- shaft
- 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.)
- Withdrawn
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/14—Fishing vessels
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the field of propellers and discloses a propeller entanglement cutting device which comprises a positioning sleeve sleeved on the outer side of a propeller shaft, wherein the positioning sleeve is fixedly connected with a ship body and is rotationally connected with the propeller shaft, a collecting block is fixedly arranged on the outer circular surface of the positioning sleeve, and a cutting cavity is arranged on one side, close to the propeller, in the positioning sleeve. The cutting device can effectively cut the winding materials wound on the outer sides of the propeller and the positioning sleeve by using the cutting device which swings in a reciprocating mode, meanwhile, the rope-shaped winding materials can be shaken off by using the action of reciprocating shaking, the rotation capacity of the propeller is recovered, and the power problem of a ship is solved.
Description
Technical Field
The invention relates to the technical field of propellers, in particular to a propeller entanglement cutting device.
Background
Small-size fishing boat generally catches the operation in the shallow sea, because factor influences such as weather, there are some broken old fishing nets in shallow sea territory, the fishing boat causes the winding of fishing net to the screw easily in shallow sea navigation, influence the fishing boat and cause the damage of fishing boat engine when serious, influence the fishing boat navigation, the clearance is removed to the screw winding thing to personnel's launching is generally need to be dispatched to this kind of condition, the consuming time and the wasting force of processing procedure, current screw winding thing resection device can carry out shredding to the winding thing simultaneously, can not carry out effectual recovery to the winding thing, current resection device still causes the damage of certain degree to screw and rotation axis easily, influence the life of screw.
Disclosure of Invention
The propeller winding object cutting device provided by the invention has the advantages of cutting and collecting winding objects, solves the problem that a propeller cannot effectively operate, cuts and collects the winding objects, prevents the propeller from winding due to the fact that undecomposed objects such as fishing nets and the like can cause the propeller to wind again, and can avoid personnel launching and removing faults.
The invention provides the following technical scheme: a propeller entanglement cutting device comprises a positioning sleeve sleeved outside a propeller shaft, the positioning sleeve is fixedly connected with a ship body and is rotationally connected with the propeller shaft, a collecting block is fixedly arranged on the outer circular surface of the positioning sleeve, a cutting cavity is arranged on one side of the positioning sleeve, which is close to the propeller, extension channels which are uniformly distributed are communicated between the circumferential wall of the cutting cavity and the outer circular surface of the positioning sleeve, cutting devices are arranged inside the extension channel and outside the positioning sleeve, power transmission components are arranged inside the cutting cavity and the positioning sleeve, a containing cavity is arranged at one side of the interior of the collecting block close to the propeller, a rolling component is arranged in the containing cavity, accomodate the chamber and keep away from screw one side the collection piece inside is equipped with the hook and gets the subassembly, the hook get the subassembly can retrieve the fishing net after the cutting extremely accomodate the intracavity.
Carefully, the power transmission subassembly is including fixing the inside motor of position sleeve, the motor is close to cutting chamber one side be equipped with and sway the chamber, sway the chamber wall rotate be equipped with the drive shaft that motor power connects is located sway the intracavity portion the fixed rolling disc that is equipped with of drive shaft one end, it is close to sway chamber one side wall and rotate and be equipped with and extend to cutting intracavity portion's transmission shaft is located sway the intracavity portion the fixed board that sways that is equipped with of transmission shaft one end, it is close to sway the board rolling disc one side end face is equipped with and sways the groove.
Carefully selecting, the carousel is close to swing a board side end face and keep away from axle center department fixed be equipped with can extend to swing the post of stirring of inslot portion, stir the post with swing the mutual butt of inslot internal face, stir the post round can drive when the drive shaft rotates swing the reciprocal swing of swing board.
And carefully selecting, wherein an annular support is rotatably arranged on the wall surface of one side, close to the propeller, of the cutting cavity, a gear ring is fixedly arranged on the end surface of one side of the annular support, and a transmission gear meshed with the inner circular surface of the gear ring is fixedly arranged at one end of the transmission shaft extending into the cutting cavity.
Carefully, cutting device is including fixing the outer disc of ring gear and evenly distributed's moving blade, the moving blade is kept away from propeller shaft one end and can is extended the outer disc of position sleeve, epitaxial passageway be close to propeller side wall fixed be equipped with the stationary blade that the moving blade is mutually supported, the moving blade with stationary blade mutually supports and can cut off the winding.
The winding device is characterized in that a belt wheel cavity is arranged in the positioning sleeve, the end face of the motor is in power connection with a belt wheel shaft penetrating through two side wall faces of the belt wheel cavity, a winding shaft penetrating through two side wall faces of the storage cavity is rotatably arranged on the two side wall faces of the belt wheel cavity extending to the interior of the collection block, a driving belt wheel is fixedly arranged on the outer circumferential face of the belt wheel shaft located in the belt wheel cavity, a driven belt wheel is fixedly arranged on the outer circumferential face of the winding shaft located in the belt wheel cavity, and a transmission belt is wound between the driving belt wheel and the driven belt wheel.
Preferably, the winding assembly comprises winding sleeves rotating on circumferential walls on two sides of the accommodating cavity, rolling needles capable of being wound conveniently are arranged on the outer circumferential surfaces of the winding sleeves, winding gears are fixedly arranged on the outer circumferential surfaces of the winding shafts positioned on the inner sides of the winding sleeves, and the outer circumferential surfaces of the winding gears are meshed with the inner circumferential surfaces of the winding sleeves.
Carefully, accomodate the chamber be close to screw one side wall with the intercommunication is equipped with the collection passageway between the collection piece terminal surface, the hook is got the subassembly and is located collect the inside propelling movement chamber of piece, propelling movement intracavity portion be equipped with can remove and with the propelling movement board of the mutual butt of propelling movement intracavity wall face, propelling movement board is close to the fixed evenly distributed that is equipped with of screw one side terminal surface and extends to accomodate the pull rod of intracavity portion, be located accomodate intracavity portion the fixed hook that is equipped with of pull rod one end, the hook that the winding thing can be assisted to the hook is got, propelling movement chamber opposite side collect the inside fixed propelling movement motor that is equipped with of piece, propelling movement motor one side terminal surface power is connected with and runs through propelling movement board both sides terminal surface and form screw-thread fit's lead screw, the lead screw can drive the removal of propelling.
The invention has the following beneficial effects:
1. the invention can effectively cut the winding objects wound on the outer sides of the propeller and the positioning sleeve by using the cutting device which swings in a reciprocating way, and simultaneously can shake off the rope-shaped winding objects by using the action of reciprocating shaking, thereby recovering the rotation capability of the propeller and solving the power problem of ships.
2. The invention utilizes the hooking component and the winding roller to recover the reticular winding object, prevents the cut winding object from being continuously wound on the propeller, solves the potential hazard of the fishing net to ships and improves the sea environment.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view taken at A-A in FIG. 1;
FIG. 3 is a schematic view at B-B of FIG. 1;
FIG. 4 is a schematic view at C-C of FIG. 1;
FIG. 5 is an enlarged view of FIG. 1 at D;
fig. 6 is a perspective view of the cutting assembly of the present invention.
In the figure: 11. a positioning sleeve; 12. collecting blocks; 13. cutting the cavity; 14. an annular support; 15. a ring gear; 16. an epitaxial channel; 17. a stationary blade; 18. a movable blade; 19; a transmission gear; 20. a rocking cavity; 21. a drive shaft; 22. a wobble plate; 23. a swing tank; 24. a motor; 25. a drive shaft; 26. rotating the disc; 27. shifting the column; 28. a pulley cavity; 29. a receiving cavity; 30. a collection channel; 31. a push chamber; 32. a pushing motor; 33. a push plate; 34. a pull rod; 35. a hook; 36. a pulley shaft; 37. a driving pulley; 38. a transmission belt; 39. a winding shaft; 40. a driven pulley; 41. a winding gear; 42. winding a sleeve; 43. and a screw rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a propeller entanglement cutting device comprises a positioning sleeve 11 sleeved on the outer side of a propeller shaft, the positioning sleeve 11 is fixedly connected with a hull and rotatably connected with the propeller shaft, a collecting block 12 is fixedly arranged on the outer circumferential surface of the positioning sleeve 11, a cutting cavity 13 is arranged on one side of the positioning sleeve 11 close to the propeller, extension channels 16 which are uniformly distributed are communicated between the circumferential wall of the cutting cavity 13 and the outer circumferential surface of the positioning sleeve 11, cutting devices are arranged inside the extension channels 16 and the outer side of the positioning sleeve 11, power transmission assemblies are arranged inside the cutting cavity 13 and the positioning sleeve 11, a collecting cavity 29 is arranged inside the collecting block 12 close to one side of the propeller, a winding assembly is arranged inside the collecting cavity 29, and a hooking assembly is arranged inside the collecting block 12 on the side of the collecting cavity 29 far away from the propeller, the fishing net after cutting can be recovered to the containing cavity 29 by the hooking component.
Wherein, power transmission subassembly is including fixing the inside motor 24 of position sleeve 11, motor 24 is close to cutting chamber 13 one side is equipped with and sways chamber 20, sway chamber 20 wall rotate be equipped with the drive shaft 25 that motor 24 power is connected is located sway the chamber 20 inside drive shaft 25 one end is fixed and is equipped with rolling disc 26, it is close to sway chamber 20 cutting chamber 13 a lateral wall face is rotated and is equipped with and extends to cutting chamber 13 inside transmission shaft 21 is located sway the chamber 20 inside transmission shaft 21 one end is fixed and is equipped with rocking plate 22, rocking plate 22 is close to rolling disc 26 a side end face is equipped with rocking groove 23.
The rotating disc 26 is provided with a toggle column 27 which is close to one side end face of the oscillating plate 22 and is far away from the axis, the toggle column 27 can extend into the oscillating groove 23, the toggle column 27 is abutted against the inner wall face of the oscillating groove 23, and the toggle column 27 can drive the oscillating plate 22 to oscillate back and forth when rotating around the driving shaft 25.
An annular support 14 is rotatably arranged on the wall surface of one side, close to the propeller, of the cutting cavity 13, a gear ring 15 is fixedly arranged on the end surface of one side of the annular support 14, and a transmission gear 19 meshed with the inner circular surface of the gear ring 15 is fixedly arranged at one end of the transmission shaft 21 extending into the cutting cavity 13.
The cutting device comprises a movable blade 18 which is fixed on the outer circular surface of the gear ring 15 and is uniformly distributed, one end, far away from the propeller shaft, of the movable blade 18 can extend out of the outer circular surface of the positioning sleeve 11, a static blade 17 which is matched with the movable blade 18 is fixedly arranged on one side wall surface, close to the propeller, of the extension channel 16, and the movable blade 18 and the static blade 17 are matched with each other to cut off a wound.
A pulley cavity 28 is arranged inside the positioning sleeve 11, the end surface of the motor 24 is dynamically connected with a pulley shaft 36 penetrating through two side wall surfaces of the pulley cavity 28, two side wall surfaces of the pulley cavity 28 extending into the collecting block 12 are rotatably provided with a winding shaft 39 penetrating through two side wall surfaces of the receiving cavity 29, a driving pulley 37 is fixedly arranged on the outer circumferential surface of the pulley shaft 36 inside the pulley cavity 28, a driven pulley 40 is fixedly arranged on the outer circumferential surface of the winding shaft 39 inside the pulley cavity 28, and a transmission belt 38 is wound between the driving pulley 37 and the driven pulley 40.
The winding assembly comprises winding sleeves 42 rotating on the circumferential walls on two sides of the receiving cavity 29, rolling needles capable of being wound conveniently are arranged on the outer circumferential surfaces of the winding sleeves 42, a winding gear 41 is fixedly arranged on the outer circumferential surface of the winding shaft 39 positioned on the inner side of the winding sleeves 42, and the outer circumferential surface of the winding gear 41 is meshed with the inner circumferential surface of the winding sleeve 42.
Wherein a collecting channel 30 is communicated between one side wall surface of the containing cavity 29 close to the propeller and the end surface of the collecting block 12, the hooking component comprises a pushing cavity 31 positioned in the collecting block 12, a pushing plate 33 which can move and is mutually abutted with the inner wall surface of the pushing cavity 31 is arranged in the pushing cavity 31, the end surface of one side of the pushing plate 33 close to the propeller is fixedly provided with pull rods 34 which are uniformly distributed and extend into the containing cavity 29, one end of each pull rod 34 positioned in the containing cavity 29 is fixedly provided with a hook 35, the hook 35 can assist the hook of the winding, the collecting block 12 at the other side of the pushing cavity 31 is internally and fixedly provided with a pushing motor 32, the end face of one side of the pushing motor 32 is in power connection with a screw rod 43 which penetrates through the end faces of two sides of the pushing plate 33 and forms thread fit, and the screw rod 43 can drive the pushing plate 33 to move.
The working principle is as follows:
initially, the pusher plate 33 is on the side away from the propeller, and the pull rod 34 and hook 35 are located in the receiving cavity 29.
When the winding is wound on the upper side of the outer circular surface of the propeller and the positioning sleeve 11, the rotation of the propeller shaft is stopped at the moment, the propeller stops rotating, the driving motor 24 drives the driving shaft 25 to rotate, the rotating disc 26 is driven to rotate, the stirring column 27 rotates around the axis of the driving shaft 25 at the moment, the swinging plate 22 is stirred to swing back and forth through the swinging groove 23, the reciprocating swing of the driving shaft 21 can be driven, the transmission gear 19 is driven to rotate, the gear ring 15 which is meshed with each other is driven to rotate at the moment, the reciprocating movement of the movable blade 18 is driven, the movable blade 18 is matched with the stationary blade 17 while moving back and forth, the winding wound on the outer circular surface of the positioning sleeve 11 can be cut, the rope-shaped winding on the upper side of the positioning sleeve 11 can be shaken off due to the reciprocating swing of the movable blade 18, and the driving belt wheel, then the belt wheel assembly drives the winding shaft 39 to rotate, further drives the winding gear 41 to rotate, further drives the mutually meshed winding sleeve 42 to rotate, the driving motor 24 simultaneously drives the pushing motor 32 to rotate forwardly, further drives the screw rod 43 to rotate forwardly, further drives the pushing plate 33 in threaded fit to move to the side close to the propeller, further drives the pull rod 34 and the hook 35 to move to the side close to the propeller, after the pull rod 34 extends out of the collecting block 12 through the collecting channel 30 and hooks the cut reticular winding object, the pushing motor 32 is driven to rotate reversely, further drives the screw rod 43 to rotate reversely, further drives the pushing plate 33 and the pull rod 34 to move to the side far away from the propeller, further pulls the reticular winding object into the containing cavity 29 through the pull rod 34 and the hook 35, when the pull rod 34 is reset, the driving of the pushing motor 32 is stopped, at the moment, the reticular winding object entering the containing cavity 29 is grabbed and wound by the winding sleeve 42, and then the winding is stored, and the motor 24 is disconnected after the winding is stored, so that the reset of the whole equipment is realized.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a propeller winding thing resection device, establishes the position sleeve (11) in the propeller shaft outside including the cover, its characterized in that: the positioning sleeve (11) is fixedly connected with the ship body and is rotationally connected with the propeller shaft, a collecting block (12) is fixedly arranged on the outer circular surface of the positioning sleeve (11), a cutting cavity (13) is arranged on one side of the positioning sleeve (11) close to the propeller, extension channels (16) which are uniformly distributed are communicated between the circumferential wall of the cutting cavity (13) and the outer circular surface of the positioning sleeve (11), cutting devices are arranged inside the extension channel (16) and outside the positioning sleeve (11), a power transmission assembly is arranged in the cutting cavity (13) and the positioning sleeve (11), a containing cavity (29) is arranged at one side of the interior of the collecting block (12) close to the propeller, a winding component is arranged in the containing cavity (29), a hooking component is arranged in the collecting block (12) at one side of the containing cavity (29) far away from the propeller, the hooking component can recover the cut fishing net into the containing cavity (29).
2. A propeller wrap removal apparatus as defined in claim 1, wherein: power transmission subassembly is including fixing motor (24) inside locator sleeve (11), motor (24) are close to cutting chamber (13) one side be equipped with and sway chamber (20), sway chamber (20) wall rotate be equipped with drive shaft (25) that motor (24) power is connected, be located sway chamber (20) inside drive shaft (25) one end is fixed and is equipped with rolling disc (26), it is close to sway chamber (20) cutting chamber (13) side wall rotate be equipped with extend to cutting chamber (13) inside transmission shaft (21), be located sway chamber (20) inside transmission shaft (21) one end is fixed and is equipped with and sways board (22), it is close to sway board (22) rolling disc (26) a side end face is equipped with and sways groove (23).
3. A propeller wrap removal apparatus as defined in claim 2, wherein: the rotating disc (26) is close to one side end face of the swing plate (22) and is fixedly provided with a shifting column (27) which can extend to the inside of the swing groove (23) and is far away from the axis, and the shifting column (27) is mutually abutted against the inner wall face of the swing groove (23).
4. A propeller wrap removal apparatus as defined in claim 2, wherein: the cutting cavity (13) is provided with an annular support (14) in a rotating mode close to the side wall face of the propeller, a gear ring (15) is fixedly arranged on the end face of one side of the annular support (14), and a transmission gear (19) meshed with the inner circular face of the gear ring (15) is fixedly arranged at one end of a transmission shaft (21) extending into the cutting cavity (13).
5. A propeller wrap removal device as defined in claim 4, wherein: the cutting device comprises a movable blade (18) which is fixed on the outer circular surface of the gear ring (15) and is uniformly distributed, one end, far away from the propeller shaft, of the movable blade (18) can extend out of the outer circular surface of the positioning sleeve (11), and a static blade (17) which is matched with the movable blade (18) is fixedly arranged on one side wall surface, close to the propeller, of the extension channel (16).
6. A propeller wrap removal apparatus as defined in claim 1, wherein: the belt pulley cavity (28) is arranged inside the positioning sleeve (11), the end face of the motor (24) is in power connection with a belt pulley shaft (36) penetrating through two side wall faces of the belt pulley cavity (28), the belt pulley shaft (28) extending to the inside of the collecting block (12) is provided with a winding shaft (39) penetrating through two side wall faces of the containing cavity (29) in a rotating mode, a driving pulley (37) is fixedly arranged on the outer circular face of the belt pulley shaft (36) inside the belt pulley cavity (28), a driven pulley (40) is fixedly arranged on the outer circular face of the winding shaft (39) inside the belt pulley cavity (28), and a transmission belt (38) is wound between the driving pulley (37) and the driven pulley (40).
7. A propeller wrap removal device as defined in claim 6, wherein: the winding assembly comprises winding sleeves (42) rotating on circumferential walls on two sides of the receiving cavity (29), rolling needles capable of being wound conveniently are arranged on the outer circumferential surfaces of the winding sleeves (42), winding gears (41) are fixedly arranged on the outer circumferential surfaces of the winding shafts (39) on the inner sides of the winding sleeves (42), and the outer circumferential surfaces of the winding gears (41) are meshed with the inner circumferential surfaces of the winding sleeves (42).
8. A propeller wrap removal apparatus as defined in claim 1, wherein: a collecting channel (30) is communicated between the wall surface of one side of the containing cavity (29) close to the propeller and the end surface of the collecting block (12), the hooking assembly comprises a pushing chamber (31) located inside the collection block (12), a pushing plate (33) which can move and is mutually abutted with the inner wall surface of the pushing cavity (31) is arranged in the pushing cavity (31), pull rods (34) which are uniformly distributed and extend into the containing cavity (29) are fixedly arranged on the end surface of one side, close to the propeller, of the push plate (33), hooks (35) are fixedly arranged at one end of each pull rod (34) located in the containing cavity (29), the hook (35) can assist the hook taking of the wound object, a pushing motor (32) is fixedly arranged in the collecting block (12) at the other side of the pushing cavity (31), and the end surface of one side of the pushing motor (32) is in power connection with a screw rod (43) which penetrates through the end surfaces of the two sides of the pushing plate (33) and forms thread fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110348339.0A CN112937824A (en) | 2021-03-31 | 2021-03-31 | Propeller entanglement cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110348339.0A CN112937824A (en) | 2021-03-31 | 2021-03-31 | Propeller entanglement cutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112937824A true CN112937824A (en) | 2021-06-11 |
Family
ID=76231386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110348339.0A Withdrawn CN112937824A (en) | 2021-03-31 | 2021-03-31 | Propeller entanglement cutting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112937824A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912198A (en) * | 2021-08-26 | 2022-01-11 | 郑佳佳 | Sewage treatment aeration machine |
| CN114477466A (en) * | 2022-02-25 | 2022-05-13 | 苏州硕亚环保科技有限公司 | Composite fiber floating type wetland system |
-
2021
- 2021-03-31 CN CN202110348339.0A patent/CN112937824A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113912198A (en) * | 2021-08-26 | 2022-01-11 | 郑佳佳 | Sewage treatment aeration machine |
| CN113912198B (en) * | 2021-08-26 | 2023-07-14 | 中山公用工程有限公司 | Sewage treatment aerator |
| CN114477466A (en) * | 2022-02-25 | 2022-05-13 | 苏州硕亚环保科技有限公司 | Composite fiber floating type wetland system |
| CN114477466B (en) * | 2022-02-25 | 2023-11-03 | 苏州硕亚环保科技有限公司 | Composite fiber floating wetland system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210611 |
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| WW01 | Invention patent application withdrawn after publication |