CN111268078B - Energy-saving auxiliary body structure in front of ship propeller - Google Patents

Energy-saving auxiliary body structure in front of ship propeller Download PDF

Info

Publication number
CN111268078B
CN111268078B CN202010072835.3A CN202010072835A CN111268078B CN 111268078 B CN111268078 B CN 111268078B CN 202010072835 A CN202010072835 A CN 202010072835A CN 111268078 B CN111268078 B CN 111268078B
Authority
CN
China
Prior art keywords
guide piece
rod
paddle
main body
flow guide
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.)
Active
Application number
CN202010072835.3A
Other languages
Chinese (zh)
Other versions
CN111268078A (en
Inventor
谢震达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN JINHANG SHIP MANUFACTURING Co.,Ltd.
Original Assignee
Wenzhou Gaoweitong Industrial Design Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wenzhou Gaoweitong Industrial Design Co Ltd filed Critical Wenzhou Gaoweitong Industrial Design Co Ltd
Priority to CN202010072835.3A priority Critical patent/CN111268078B/en
Publication of CN111268078A publication Critical patent/CN111268078A/en
Application granted granted Critical
Publication of CN111268078B publication Critical patent/CN111268078B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16Arrangements 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention provides an energy-saving attached body structure in front of a ship paddle, which comprises a main body, a connecting rod, a guide piece, a flow guide piece and a bottom plate, wherein the connecting rod is fixedly connected with the main body; the front end of the main body is of a conical structure, and a paddle body is mounted at the front end of the main body; the main body comprises a paddle body and a connecting piece; the upper end and the lower end of the main body are provided with threaded holes; the front end of the paddle body is provided with a connecting piece; the connecting piece is of a T-shaped circular structure; the water conservancy diversion spare is used for installing at the foremost of this device, make this device when using, can make this device be in through the water conservancy diversion spare and carry out the water conservancy diversion with rivers foremost, thereby reduce the pressure that the paddle received, and if there is the object when striking the paddle, can realize contacting through the water conservancy diversion spare, the front end of water conservancy diversion spare is the wedge structure, at the in-process that the ship removed, the water conservancy diversion spare can be cut apart the object that needs and the paddle striking, make the object can be broken, thereby flow to both sides, avoid the object directly to strike the oar.

Description

Energy-saving auxiliary body structure in front of ship propeller
Technical Field
The invention belongs to the technical field of ship matching mechanisms, and particularly relates to an energy-saving attachment structure in front of a ship paddle.
Background
The attachments below the ship design waterline, such as bilge keels, rudders, shaft frames, shafts, sleeve frames and the like, are collectively called ship attachments, and the resistance generated by the attachments is called attachment resistance.
For example, application No.: CN201920126475.3 relates to an energy-conserving additional body structure before boats and ships oar, including the water conservancy diversion fin, the water conservancy diversion fin includes transversely arranged first lamellar body and the second lamellar body of vertical arrangement, and the front side of both all is fixed with the stern portion of boats and ships, first lamellar body is connected with the second lamellar body is perpendicular, is the cross, first lamellar body is by preceding to backward tilt up, and its longitudinal inclination angle is 0-10, and the extension line of rear side is 0.5R-0.9R in the screw quotation department of vertical state, and R is the radius of boats and ships screw quotation, the second lamellar body perpendicular to the spanwise plane of first lamellar body, its transverse inclination angle is 3-10, and the direction of heeling is opposite with the direction of rotation of boats and ships screw. The utility model discloses simple structure, easily installation, processing low cost to the outstanding ship type of current line type, can realize about 2% energy-conserving effect under the draft state, have popularization and application and worth.
Based on prior art discovery, appendage structure is in the time of using before current oar, the screw position can generally contact with the object of aquatic, cause the damage after using for a long time easily, lead to the screw can't use, can't clear away the object of aquatic and screw contact in advance, and appendage structure is in the time of using before current oar, can't be according to the demand with the rivers water conservancy diversion, thereby can't make the screw can be better with the rivers contact, unable screw is in rotatory, easier atress promotes the ship, messenger's ship speed is faster.
Disclosure of Invention
In order to solve the technical problems, the invention provides an energy-saving attachment structure in front of a ship propeller, which aims to solve the problems that when the existing attachment structure in front of the propeller is used, the position of the propeller usually contacts with objects in water, the propeller is easy to damage after being used for a long time, the propeller cannot be used, the objects in water contacting with the propeller cannot be removed in advance, and when the existing attachment structure in front of the propeller is used, water flow cannot be guided according to requirements, so that the propeller cannot be in better contact with the water flow, and when the propeller rotates, the propeller cannot be stressed to push a ship more easily, and the speed of the ship is higher.
The invention relates to an aim and an effect of an energy-saving attachment structure in front of a ship paddle, which are achieved by the following specific technical means:
an energy-saving attached body structure in front of a ship paddle comprises a main body, a connecting rod, a guide piece, a flow guide piece and a bottom plate; the front end of the main body is of a conical structure, and a paddle body is mounted at the front end of the main body; the main body comprises a paddle body and a connecting piece; the upper end and the lower end of the main body are provided with threaded holes; the front end of the paddle body is provided with a connecting piece; the connecting piece is of a T-shaped circular structure; the bottom end of the connecting rod is connected with the threaded hole of the main body through threads; the inner end of the guide piece is connected with the outer end of the mounting rod in a welding mode; the flow guide piece is of a rectangular plate-shaped structure and is arranged at the front end of the guide piece in a fixed connection mode; the middle position of the rear end of the bottom plate is connected with the front end of the bottom of the supporting rod through a connecting shaft, and the adjusting rod at the top end of the bottom plate is installed inside the threaded hole of the guide piece through threads.
Furthermore, the connecting rod comprises a supporting rod and an installation rod; the connecting rod is of a cylindrical structure, and the front end of the connecting rod is connected with the supporting rod through a cross rod; the front end of the supporting rod is of a wedge-shaped structure, and the bottom of the supporting rod is provided with a mounting rod of a cylindrical structure; the connecting piece is installed through the mode of embedding inside the rear end of installation pole, and the connecting piece is in the inside rotation of installation pole.
Further, the guide member includes an adjustment aperture; the guide piece is of a bent structure, and a plurality of diamond structures are arranged on the outer side of the guide piece; the inner end of the guide piece is provided with a threaded hole, and the outer side of the guide piece is of a conical structure; the guide member is a structure capable of dividing water.
Further, the flow guide piece comprises a side groove; the flow guide piece is of a plate-shaped structure, and the rear end of the flow guide piece is of an arc-shaped structure; the front end of the flow guide piece is of a wedge-shaped structure, and a plurality of side grooves of arc structures are formed in the front end of the flow guide piece; threaded holes are formed above two ends of the flow guide piece; the front end of the flow guide piece is of a cutting structure.
Furthermore, the bottom plate comprises a fixing plate and an adjusting rod; the bottom plate is of a rectangular plate-shaped structure, and the front end of the bottom plate is of a wedge-shaped structure; an adjusting rod is installed at the middle position of the top end of the bottom plate through a fixing plate and a connecting shaft, and threads are arranged on the outer side of the adjusting rod.
Compared with the prior art, the invention has the following beneficial effects:
the device is provided with the flow guide part and the bottom plate, wherein the flow guide part is arranged at the foremost end of the device, so that when the device is used, the device can be positioned at the foremost end through the flow guide part to guide water flow, the pressure on the paddle body is reduced, if an object is to impact the paddle body, the device can be contacted with the paddle body through the flow guide part, the front end of the flow guide part is of a wedge-shaped structure, in the moving process of a ship, the flow guide part can divide the object which needs to impact the paddle body, so that the object can be crushed and can flow towards two sides, the object is prevented from directly impacting the paddle body, the paddle body is damaged or broken, and the side grooves on the two sides of the flow guide part are cut through the auxiliary flow guide part, so that the object can be effectively cut when the object slides across the front end of the flow guide part;
still furthermore, the bottom plate is used for being installed at the bottom of the front end of the paddle body, so that when the device is used, the inclination angle of the bottom plate can be adjusted, water flow can be guided to the position of the paddle body, the paddle body can be effectively contacted with water to drive a ship, the front end of the bottom plate is of a wedge-shaped structure, water can be effectively guided, the flowing direction of the water flow can be controlled, the fixing plate is used for installing the connecting shaft, the bottom end of the adjusting rod can be connected with the upper portion of the bottom plate, the adjusting rod can be used for controlling the bottom plate to turn over with the connecting shaft, so that the bottom plate can be adjusted to a proper angle, the adjusting rod is used for being connected with the guide piece through threads, the adjusting rod can effectively push the bottom plate to turn over when rotating, and the adjusting rod can extend into the cabin to be controlled, thereby solved when using, the screw position usually can contact with the object of aquatic, cause the damage easily after using for a long time, lead to the screw can't use, can't clear away the object of aquatic and screw contact in advance, and the appendage structure is when using before the present oar, can't be according to the demand rivers water conservancy diversion to can't make the screw can be better contact with rivers, can't the screw in rotatory, easier atress promotes the ship more, makes the faster problem of ship speed.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a part a enlarged from fig. 1.
Fig. 3 is a schematic bottom view of the present invention.
Fig. 4 is a schematic perspective view of the main body of the present invention.
Fig. 5 is a schematic perspective view of the connecting rod of the present invention.
Fig. 6 is a perspective view of a guide according to the present invention.
Fig. 7 is a perspective view of the base plate of the present invention.
Fig. 8 is a side view of the base plate of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main body; 101. a paddle body; 102. a connecting member; 2. a connecting rod; 201. a support bar; 202. mounting a rod; 3. a guide; 301. an adjustment hole; 4. a flow guide member; 401. a side groove; 5. a base plate; 501. a fixing plate; 502. and adjusting the rod.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides an energy-saving attachment structure in front of a ship paddle, which comprises: the device comprises a main body 1, a connecting rod 2, a guide member 3, a flow guide member 4 and a bottom plate 5; the front end of the main body 1 is of a conical structure, and the front end of the main body 1 is provided with a paddle body 101; the main body 1 comprises a paddle body 101 and a connecting piece 102; the upper end and the lower end of the main body 1 are provided with threaded holes; the front end of the paddle body 101 is provided with a connecting piece 102; the connecting piece 102 is of a T-shaped circular structure; the bottom end of the connecting rod 2 is connected with the threaded hole of the main body 1 through threads; the inner end of the guide member 3 is connected with the outer end of the mounting rod 202 in a welding mode, the outer side of the supporting rod 201 is of a wedge-shaped structure, so that when the device moves along with a ship in water, the supporting rod 201 can divide water, resistance can be reduced when the supporting rod 201 moves in water, and the mounting rod 202 is connected with the connecting member 102 through the rear end, so that the connecting member 102 cannot drive the mounting rod 202 to rotate when rotating; the flow guide part 4 is of a rectangular plate-shaped structure, the flow guide part 4 is fixedly connected with the front end of the guide part 3, and the side grooves 401 at two sides of the flow guide part 4 are used for cutting the auxiliary flow guide part 4, so that an object can be effectively cut when the object passes through the front end of the flow guide part 4; the rear end intermediate position of bottom plate 5 is connected with the bottom front end of bracing piece 201 through the connecting axle, and the regulation pole 502 on bottom plate 5 top passes through the screw thread and installs inside the screw hole of leading piece 3, and fixed plate 501 is then used for installing the connecting axle, make the bottom of adjusting pole 502 be connected with the top of bottom plate 5, make adjust pole 502 can overturn with connecting axle control bottom plate 5, thereby make bottom plate 5 can adjust suitable angle, and the regulation pole 502 here is used for being connected with leading piece 3 through the screw thread, make adjust pole 502 when rotatory, can effectually promote bottom plate 5 upset, and adjust pole 502 can extend to cabin inside and control.
Wherein, the connecting rod 2 comprises a supporting rod 201 and a mounting rod 202; the connecting rod 2 is of a cylindrical structure, and the front end of the connecting rod 2 is connected with the supporting rod 201 through a cross rod; the front end of the supporting rod 201 is of a wedge-shaped structure, and the bottom of the supporting rod 201 is provided with a mounting rod 202 of a cylindrical structure; the connecting piece 102 is installed inside the rear end of the installation rod 202 in an embedded mode, the connecting piece 102 rotates inside the installation rod 202, the connecting rod 2 is used for driving the guide piece 3 to be connected with the main body 1, and therefore the guide piece 3 can be effectively and fixedly supported by the connecting rod 2 to be used.
Wherein, the guide 3 comprises an adjusting hole 301; the guide piece 3 is a bending structure, and a plurality of diamond structures are arranged on the outer side of the guide piece 3; the inner end of the guide piece 3 is provided with a threaded hole, and the outer side of the guide piece 3 is of a conical structure; the guide 3 is a structure capable of dividing water, and the guide 3 is arranged at the front end of the device, so that when the device moves in water, the guide 3 can be positioned at the front end of the paddle 101 to divide water with impact force in advance, so that the paddle 101 does not receive large resistance when rotating, energy is saved, and the boat body can effectively move.
Wherein, the flow guide part 4 comprises a side groove 401; the flow guide part 4 is of a plate-shaped structure, and the rear end of the flow guide part 4 is of an arc-shaped structure; the front end of the flow guide part 4 is of a wedge-shaped structure, and a plurality of side grooves 401 of arc structures are arranged at the front end of the flow guide part 4; threaded holes are formed above two ends of the flow guide piece 4; the front end of the diversion piece 4 is of a cutting structure, the diversion piece 4 is used for being installed at the foremost end of the device, when the device is used, the device can be made to be in the foremost end through the diversion piece 4 to conduct diversion on water flow, pressure borne by the paddle 101 is reduced, if an object is to impact the paddle 101, the diversion piece 4 can be in contact with the object, the front end of the diversion piece 4 is of a wedge-shaped structure, in the process of moving a ship, the diversion piece 4 can divide the object needing to impact the paddle 101, the object can be broken, the object can flow towards two sides, the object is prevented from directly impacting the paddle 101, and the paddle 101 is prevented from being damaged or being broken.
Wherein, the bottom plate 5 comprises a fixing plate 501 and an adjusting rod 502; the bottom plate 5 is of a rectangular plate-shaped structure, and the front end of the bottom plate 5 is of a wedge-shaped structure; the adjusting rod 502 is installed through fixed plate 501 and connecting axle in the top middle position of bottom plate 5, and the outside of adjusting rod 502 is equipped with the screw thread, bottom plate 5 here is used for installing in the front end bottom of paddle 101, make this device when using, can adjust the inclination of bottom plate 5, thereby make rivers can be by the position of water conservancy diversion to paddle 101, make paddle 101 can effectual and water contact, thereby drive the ship, and the front end of bottom plate 5 is the wedge structure, in order to can be effectual with the water reposition, make can control rivers flow direction.
When in use: when the device is needed to be used, the connecting rod 2 can be connected with the main body 1 through the screw thread through manpower, then, the inner end of the mounting rod 202 and the connecting member 102 are coupled, and then the support rod 201 is coupled with the connecting rod 2, so that the installation rod 202 can drive the guide member 3 to be installed, so that the flow guide member 4 can be used at the front end of the device, when the device is used, the paddle body 101 rotates to push the ship to move, when an object is collided with the paddle body 101, the diversion piece 4 divides the object to enable the object to move towards two sides, the object is prevented from being directly contacted with the paddle body 101 to cause damage, if the stress of the paddle body 101 is adjusted, the adjusting rod 502 can be controlled by manpower to rotate, so that the bottom plate 5 can be overturned, so that the flowing water stream can be diverted so that the paddle 101 can be forced to move the boat.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides an energy-conserving appendage structure before boats and ships oar which characterized in that: the method comprises the following steps: the device comprises a main body (1), a connecting rod (2), a guide piece (3), a flow guide piece (4) and a bottom plate (5); the front end of the main body (1) is of a conical structure, and a paddle body (101) is mounted at the front end of the main body (1); the main body (1) comprises a paddle body (101) and a connecting piece (102); the upper end and the lower end of the main body (1) are provided with threaded holes; the front end of the paddle body (101) is provided with a connecting piece (102); the connecting piece (102) is of a T-shaped circular structure; the bottom end of the connecting rod (2) is connected with a threaded hole of the main body (1) through threads; the inner end of the guide piece (3) is connected with the outer end of the mounting rod (202) in a welding mode; the flow guide piece (4) is of a rectangular plate-shaped structure, and the flow guide piece (4) is installed at the front end of the guide piece (3) in a fixed connection mode; the middle position of the rear end of the bottom plate (5) is connected with the front end of the bottom of the support rod (201) through a connecting shaft, and the adjusting rod (502) at the top end of the bottom plate (5) is installed in the threaded hole of the guide piece (3) through threads.
2. The structure of the energy-saving attachment in front of the ship paddle according to claim 1, wherein: the connecting rod (2) comprises a supporting rod (201) and a mounting rod (202); the connecting rod (2) is of a cylindrical structure, and the front end of the connecting rod (2) is connected with the supporting rod (201) through a cross rod; the front end of the supporting rod (201) is of a wedge-shaped structure, and the bottom of the supporting rod (201) is provided with a mounting rod (202) of a cylindrical structure; the connecting piece (102) is installed inside the rear end of the installation rod (202) in an embedded mode, and the connecting piece (102) is located inside the installation rod (202) to rotate.
3. The structure of the energy-saving attachment in front of the ship paddle according to claim 1, wherein: the guide member (3) comprises an adjusting hole (301); the guide piece (3) is of a bent structure, and a plurality of diamond structures are arranged on the outer side of the guide piece (3); the inner end of the guide piece (3) is provided with a threaded hole, and the outer side of the guide piece (3) is of a conical structure; the guide member (3) is configured to divide water.
4. The structure of the energy-saving attachment in front of the ship paddle according to claim 1, wherein: the flow guide piece (4) comprises a side groove (401); the flow guide piece (4) is of a plate-shaped structure, and the rear end of the flow guide piece (4) is of an arc-shaped structure; the front end of the flow guide piece (4) is of a wedge-shaped structure, and a plurality of side grooves (401) of arc structures are formed in the front end of the flow guide piece (4); threaded holes are formed above two ends of the flow guide piece (4); the front end of the flow guide piece (4) is of a cutting structure.
5. The structure of the energy-saving attachment in front of the ship paddle according to claim 1, wherein: the bottom plate (5) comprises a fixing plate (501) and an adjusting rod (502); the bottom plate (5) is of a rectangular plate-shaped structure, and the front end of the bottom plate (5) is of a wedge-shaped structure; an adjusting rod (502) is installed at the middle position of the top end of the bottom plate (5) through a fixing plate (501) and the connecting shaft, and threads are arranged on the outer side of the adjusting rod (502).
CN202010072835.3A 2020-01-21 2020-01-21 Energy-saving auxiliary body structure in front of ship propeller Active CN111268078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010072835.3A CN111268078B (en) 2020-01-21 2020-01-21 Energy-saving auxiliary body structure in front of ship propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010072835.3A CN111268078B (en) 2020-01-21 2020-01-21 Energy-saving auxiliary body structure in front of ship propeller

Publications (2)

Publication Number Publication Date
CN111268078A CN111268078A (en) 2020-06-12
CN111268078B true CN111268078B (en) 2020-12-04

Family

ID=70994970

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010072835.3A Active CN111268078B (en) 2020-01-21 2020-01-21 Energy-saving auxiliary body structure in front of ship propeller

Country Status (1)

Country Link
CN (1) CN111268078B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204916141U (en) * 2015-07-20 2015-12-30 黄文安 Marine propeller winding rope location sword
JP2016137812A (en) * 2015-01-27 2016-08-04 高木 淳 Rudder plate unit for outboard engine and inboard-outdrive engine
KR101949082B1 (en) * 2018-06-15 2019-05-02 이인우 Rope cutter for ships
KR20190071943A (en) * 2017-12-15 2019-06-25 삼성중공업 주식회사 A device to prevent damage to the propeller
CN209479939U (en) * 2018-12-20 2019-10-11 浙江海洋大学 Electric propeller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016137812A (en) * 2015-01-27 2016-08-04 高木 淳 Rudder plate unit for outboard engine and inboard-outdrive engine
CN204916141U (en) * 2015-07-20 2015-12-30 黄文安 Marine propeller winding rope location sword
KR20190071943A (en) * 2017-12-15 2019-06-25 삼성중공업 주식회사 A device to prevent damage to the propeller
KR101949082B1 (en) * 2018-06-15 2019-05-02 이인우 Rope cutter for ships
CN209479939U (en) * 2018-12-20 2019-10-11 浙江海洋大学 Electric propeller

Also Published As

Publication number Publication date
CN111268078A (en) 2020-06-12

Similar Documents

Publication Publication Date Title
US6874441B2 (en) Boat with wake control
EP2873605B1 (en) Ship of contra-rotating propeller propulsion-type
AU2013335369B2 (en) Stabilizer fin and active stabilizer system for a watercraft
KR20040077972A (en) Line design and propulsion system for a directionally stable, seagoing boat with rudder propeller drive system
US6125781A (en) Tunnel-hulled boat
CN111268078B (en) Energy-saving auxiliary body structure in front of ship propeller
KR20160102576A (en) Pivotable propeller nozzle for a watercraft
CN101522515B (en) Lateral ship's rudder
KR20140075929A (en) Rudder bulb structure for ship
US5307754A (en) Hydrofoil stabilizer
US9517827B2 (en) Drift control system
CN110683020B (en) Auxiliary launching system for ship
CN209634673U (en) A kind of catamaran of high stability
CA2639162A1 (en) Stepped boat hull with flat pad portions
US20050145156A1 (en) Watercraft
CN102205874A (en) Flapped rudder for ship
CN102596711A (en) Rudder and ship-like object having such a rudder
JP4515471B2 (en) Marine 1-axis 2-rudder system and 1-axis 2-rudder ship
US20100116188A1 (en) Keel mechanism for sailboats
JP4045233B2 (en) Fin equipment
EP0571401B1 (en) Hydrodynamic fin for water-borne craft
CN107226190B (en) Ship rudder
CN214729583U (en) Ship flow guiding propeller
KR20210137337A (en) Full spade rudder having diverge type bulb
CN111746749A (en) Rudder propeller matching system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20201118

Address after: Room 1130, 1 / F, building 7, No. 135 Yanxing Road, Yangyi street, Lucheng District, Wenzhou City, Zhejiang Province

Applicant after: Wenzhou gaoweitong Industrial Design Co., Ltd

Address before: 310018 No.188, Xuelin street, Xiasha Higher Education Park, Hangzhou City, Zhejiang Province

Applicant before: Xie Zhenda

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210805

Address after: 413100 Yuanjiang Shipbuilding Industrial Park, Yiyang City, Hunan Province

Patentee after: HUNAN JINHANG SHIP MANUFACTURING Co.,Ltd.

Address before: 325000 room 1130, 1st floor, building 7, No. 135, Yanxing Road, Yangyi street, Lucheng District, Wenzhou City, Zhejiang Province

Patentee before: Wenzhou gaoweitong Industrial Design Co., Ltd