CN107804421B - A kind of trimaran of variable length-width ratio - Google Patents

A kind of trimaran of variable length-width ratio Download PDF

Info

Publication number
CN107804421B
CN107804421B CN201711095583.0A CN201711095583A CN107804421B CN 107804421 B CN107804421 B CN 107804421B CN 201711095583 A CN201711095583 A CN 201711095583A CN 107804421 B CN107804421 B CN 107804421B
Authority
CN
China
Prior art keywords
oscillating deck
deck
trimaran
wear rib
hull
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
Application number
CN201711095583.0A
Other languages
Chinese (zh)
Other versions
CN107804421A (en
Inventor
万伟
林彬
江波
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.)
Co Ltd Of Zhoushan Of Zhejiang Province Bo Site Ship Design Research Institute
Original Assignee
Co Ltd Of Zhoushan Of Zhejiang Province Bo Site Ship Design Research Institute
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 Co Ltd Of Zhoushan Of Zhejiang Province Bo Site Ship Design Research Institute filed Critical Co Ltd Of Zhoushan Of Zhejiang Province Bo Site Ship Design Research Institute
Priority to CN201711095583.0A priority Critical patent/CN107804421B/en
Publication of CN107804421A publication Critical patent/CN107804421A/en
Application granted granted Critical
Publication of CN107804421B publication Critical patent/CN107804421B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/12Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly
    • B63B1/125Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls the hulls being interconnected rigidly comprising more than two hulls
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B1/00Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/32Other means for varying the inherent hydrodynamic characteristics of hulls
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T70/00Maritime or waterways transport
    • Y02T70/10Measures concerning design or construction of watercraft hulls

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The invention belongs to ship machinery technical fields, are related to a kind of trimaran of variable length-width ratio, and which solve the technical problems such as the slowing effect of existing trimaran is poor.Trimaran includes main hull and the auxiliary hull positioned at main hull two sides, deck is provided on main hull, auxiliary hull is connected with the two sides on deck, auxiliary hull includes bracket and oscillating deck, the upper end of bracket is fixed on deck, and the lower end of bracket and the lower end of oscillating deck are hinged, and the upper end of oscillating deck is free end, trimaran further include be able to drive oscillating deck swing driving source, oscillating deck can under the action of driving source vertical state or the horizontality rotated in the upper end of oscillating deck towards main hull.The present invention has many advantages, such as that slowing effect is good.

Description

A kind of trimaran of variable length-width ratio
Technical field
The invention belongs to ship machinery technical fields, are related to a kind of trimaran of variable length-width ratio.
Background technique
Trimaran is mainly made of three hulls, is among it hull, and respectively there are the identical auxiliary of a size in two sides shoulder to shoulder Hull, three hulls share a main deck and superstructure and obtain anti-work by spraying water backward using turbine hydro-motor Firmly push ahead.Since the design of each hull hull is long and narrow, there is lesser designed waterplane, length-width ratio is big, so as to The wave making resistance for reducing ship, reduces drag overall.
Patent CN 204250295 U in China discloses a kind of folding trimaran lateral piece.It is by sheet body, connecting rod 1, connecting rod 2, connecting rod 3, connecting rod 4, revolute pair 1, revolute pair 2, revolute pair 3, revolute pair 4 are constituted;Sheet body is hollow, appearance Streamlined, cross-sectional profiles are in " deep V-arrangement ";Connecting rod 1, connecting rod 2 are close to ship's head;Revolute pair 1, turns revolute pair 2 Connecting rod, can be locked in the shape after connection is remembered and turns to required angle by built-in self-locking device in dynamic pair 3, revolute pair 4 State.By the telescopic folding of 4 connecting rods, folding trimaran lateral piece can realize three kinds of working conditions: extended state, receipts Contracting state and " V " font state.When ship, which encounters emergency, to be needed quick deceleration or pull in shore to berth, trimaran lateral piece Just " V " font state is showed, in this operating condition, impact force of the sheet body of main hull two sides by water flow, to make Ship resistance increases, and facilitates ship quick deceleration, reduces inertial stopping distance.
But above-mentioned trimaran still have the shortcomings that it is certain: 1, the demand that trimaran occurs is, three hulls share one Deck improves naval vessel space, meets the requirement to naval vessel such as helicopter.And there is no share one for three hulls in above-mentioned patent A deck does not see that three hulls have any effect;2, above-mentioned trimaran is in " V-shaped ", the work of wave when needing to slow down The tip of V word is firmly concentrated on, and folding structure is inherently more thin, therefore is more easily broken off, practical performance It is bad, do not have good slowing effect.
Summary of the invention
The purpose of the present invention is aiming at the above problems existing in the prior art, propose a kind of three-body of variable length-width ratio Ship, the technical problems to be solved by the present invention are: how to improve the slowing effect of this trimaran.
Object of the invention can be realized by the following technical scheme:
A kind of trimaran of variable length-width ratio, the trimaran include main hull and the auxiliary ship positioned at main hull two sides Body is provided with deck on the main hull, and the auxiliary hull is connected with the two sides on deck, which is characterized in that the auxiliary hull Including bracket and oscillating deck, the upper end of the bracket is fixed on the deck, the lower end of the bracket and the oscillating deck Lower end is hinged, and the upper end of the oscillating deck is free end, and the trimaran further includes being able to drive what the oscillating deck was swung Driving source, the oscillating deck state in a vertical shape or can turn in the upper end of oscillating deck (4) towards main hull (1) under the action of driving source Dynamic horizontality.
Its working principles are as follows: when this trimaran is normally exercised, oscillating deck state in a vertical shape under the action of driving source, with Bracket fits, and not only meets the needs of big deck at this time, but also reduce the wave making resistance of ship, reduces drag overall, guarantees trimaran Normal use.And when needing to slow down, oscillating deck can be rocked to horizontality under the action of driving source, at this time the length of trimaran Width increases drag overall, realizes quick deceleration than reducing.The program is compared with the documents referred in background technique, both just The advantages of often realizing trimaran, while in assisted deceleration, efficiently utilize the principle for changing length-width ratio, slowing effect It is good, and the case where stress is concentrated will not be generated, it reduces component and is damaged probability.
In a kind of trimaran of above-mentioned variable length-width ratio, the bracket includes a cross bar and two vertical bars, institute The upper end for stating vertical bar is fixed on the lower face on the deck, and the lower end of two vertical bars is mutually fixed by the cross bar, the pendulum The lower end of movable plate is articulated on two vertical bars by shaft, and the cross bar and vertical bar, which surround, can accommodate the oscillating deck Space.Bracket as above designs, and when being slowed down, can still realize the support to big deck, is not in that big deck loses support And the problems such as being broken;Oscillating deck can be contained in the space that vertical bar and cross bar surround, and can reduce the overall volume of trimaran.
In a kind of trimaran of above-mentioned variable length-width ratio, the driving source includes motor, main pulley, from belt wheel and skin Band, the motor are fixed at the upper end of vertical bar, the main pulley be rotatably dispose at the upper end of the vertical bar and with the electricity The output end of machine is connected, described to be sheathed in the shaft from belt wheel and the two is mutually fixed, the main pulley with it is logical from belt wheel Belt is crossed to be connected.Motor rotation can drive main pulley to rotate, and rotate to be driven by belt from belt wheel, and then drive shaft Rotation, it is final that oscillating deck is driven to swing, switch oscillating deck between horizontal and vertical position, changes the length-width ratio of trimaran.
In a kind of trimaran of above-mentioned variable length-width ratio, the upper end of the oscillating deck is provided with wear rib one, described Wear rib two is provided on the side wall of main hull, the lower face on the deck is provided with wear rib three;When the oscillating deck is in When horizontality, the wear rib one is abutted against with wear rib two;When the oscillating deck is in a vertical state, the wear rib One abuts against with wear rib three.After design has wear rib one, wear rib two and wear rib three, because bracket is in frame shape, come relatively Say the more thin rapid wear of structure, when oscillating deck is when in a horizontal state, wear rib one and wear rib two are abutted against, so that swinging Plate, bracket, deck and main hull section be in the supporting framework of frame shape, structure is more stable, and biggish deck is also hardly damaged; And when oscillating deck is in a vertical state, wear-resisting one and wear rib three abut against, equally can bear certain external force, raising is integrally The stability of structure;In addition, wear rib one, wear rib two and wear rib three herein also acts as the effect of positioning, so that swinging Plate can frictional force effect therebetween it is lower relatively fixed with main crewman's body or deck, kill two birds with one stone;As for wear rib one, The material of wear rib two and wear rib three, using the antifriction metal (AFM) that market is general.
In a kind of trimaran of above-mentioned variable length-width ratio, the section semicircular in shape of the wear rib one is described wear-resisting There is the concave surface that can be matched with the side of the wear rib one on item two and wear rib three.
In a kind of trimaran of above-mentioned variable length-width ratio, the end face of the upper end of the oscillating deck is vertically and fixedly provided with several Root guide rod is arranged with pressure spring on the guide rod, and one end of the pressure spring is fixed on the end face of the upper end of oscillating deck, the pressure spring The other end be connected with the wear rib one.After design has pressure spring, it can be further ensured that wear-resisting one and wear rib two, wear rib Three can be relatively fixed when abutting, and energy consumption needed for motor is also less in separation.
In a kind of trimaran of above-mentioned variable length-width ratio, offered on the end face of the lower end of the wear rib one blind Hole, the upper end of the guide rod is plugged in the blind hole and the two is slidably matched.Design have blind hole after so that wear rib one with it is resistance to Abrasive stick two, wear rib three are not likely to produce beat when abutting against;Moreover it is possible to play position-limiting action, the elastic deformation of pressure spring is limited Size, to guarantee that wear rib one can play preferable supporting role.
Compared with prior art, the invention has the following advantages that
1, when this trimaran is normally exercised, oscillating deck state in a vertical shape under the action of driving source fits with bracket, this When not only meet the needs of big deck, but also reduce the wave making resistance of ship, reduce drag overall, guarantee trimaran normal use.And work as When needing to slow down, oscillating deck can be rocked to horizontality under the action of driving source, and the length-width ratio of trimaran reduces at this time, increase Quick deceleration is realized in drag overall.The program both normally realizes trimaran compared with the documents referred in background technique The advantages of, while in assisted deceleration, efficiently utilize the principle for changing length-width ratio, slowing effect is good, and will not generate by The case where power is concentrated reduces component and is damaged probability;
2, after design has wear rib one, wear rib two and wear rib three, because bracket is in frame shape, comparatively structure is more Thin rapid wear, when oscillating deck is when in a horizontal state, wear rib one and wear rib two are abutted against, so that oscillating deck, bracket, deck Section with main hull is in the supporting framework of frame shape, and structure is more stable, and biggish deck is also hardly damaged;And at oscillating deck When vertical state, wear-resisting one and wear rib three abut against, equally can bear certain external force, improve integrally-built stabilization Property;In addition, wear rib one, wear rib two and wear rib three herein also acts as the effect of positioning, so that oscillating deck can be in the two Between frictional force effect it is lower relatively fixed with main crewman's body or deck, kill two birds with one stone.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of trimaran.
Fig. 2 is the structural schematic diagram of oscillating deck.
In figure, 1, main hull;2, auxiliary hull;3, deck;4, oscillating deck;5, driving source;6, cross bar;7, vertical bar;8, motor; 9, main pulley;10, from belt wheel;11, belt;12, wear rib one;13, wear rib two;14, wear rib three;15, guide rod;16, it presses Spring.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
As shown in Figure 1 and Figure 2, trimaran includes main hull 1 and the auxiliary hull 2 positioned at 1 two sides of main hull, on main hull 1 It is provided with deck 3, auxiliary hull 2 is connected with the two sides on deck 3, which is characterized in that auxiliary hull 2 includes bracket and oscillating deck 4, branch The upper end of frame is fixed on deck 3, and the lower end of bracket and the lower end of oscillating deck 4 are hinged, and the upper end of oscillating deck 4 is free end, Trimaran further include be able to drive oscillating deck 4 swing driving source 5, oscillating deck 4 can under the action of driving source 5 state in a vertical shape Or the horizontality that is rotated towards main hull 1 of upper end in oscillating deck 4.
Specifically, as shown in Figure 1 and Figure 2, bracket includes that a cross bar 6 and two vertical bars 7, the upper end of vertical bar 7 are fixed In on the lower face on deck 3, the lower end of two vertical bars 7 is fixed by 6 phase of cross bar, and the lower end of oscillating deck 4 is articulated with by shaft On two vertical bars 7, cross bar 6 and vertical bar 7 surround the space that can accommodate oscillating deck 4.Driving source 5 include motor 8, main pulley 9, from Belt wheel 10 and belt 11, motor 8 are fixed at the upper end of vertical bar 7, main pulley 9 be rotatably dispose at the upper end of vertical bar 7 and with electricity The output end of machine 8 is connected, and is sheathed in shaft from belt wheel 10 and the two is mutually fixed, main pulley 9 with from belt wheel 10 pass through belt 11 are connected.The upper end of oscillating deck 4 is provided with wear rib 1, and wear rib 2 13, deck 3 are provided on the side wall of main hull 1 Lower face be provided with wear rib 3 14;When oscillating deck 4 is when in a horizontal state, wear rib 1 offsets with wear rib 2 13 It connects;When oscillating deck 4 is in a vertical state, wear rib 1 is abutted against with wear rib 3 14.The section of wear rib 1 is in half There is the concave surface that can be matched with the side of wear rib 1 on circle, wear rib 2 13 and wear rib 3 14.Oscillating deck 4 The end face of upper end is vertically and fixedly provided with several guide rods 15, and pressure spring 16 is arranged on guide rod 15, and swing is fixed in one end of pressure spring 16 On the end face of the upper end of plate 4, the other end of pressure spring 16 is connected with wear rib 1.It is opened on the end face of the lower end of wear rib 1 Equipped with blind hole, the upper end of guide rod 15 is plugged in blind hole and the two is slidably matched.
Working principle of the present invention is as follows: when this trimaran is normally exercised, oscillating deck is under the action of driving source in vertical State fits with bracket, not only meets the needs of big deck at this time, but also reduce the wave making resistance of ship, reduces drag overall, guarantees Trimaran normal use.And when needing to slow down, oscillating deck can be rocked to horizontality under the action of driving source, at this time three-body The length-width ratio of ship reduces, and increases drag overall, realizes quick deceleration.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (7)

1. a kind of trimaran of variable length-width ratio, the trimaran includes main hull (1) and is located at the auxiliary of main hull (1) two sides Hull (2) is provided with deck (3) on the main hull (1), and the auxiliary hull (2) is connected with the two sides of deck (3), special Sign is that the auxiliary hull (2) includes bracket and oscillating deck (4), and the upper end of the bracket is fixed on the deck (3), institute The lower end of the lower end and the oscillating deck (4) of stating bracket is hinged, and the upper end of the oscillating deck (4) is free end, the three-body Ship further includes the driving source (5) for being able to drive the oscillating deck (4) swing, and the oscillating deck (4) can be in the effect of driving source (5) Under state in a vertical shape or the horizontality that is rotated towards main hull (1) of upper end in oscillating deck (4).
2. the trimaran of variable length-width ratio according to claim 1, which is characterized in that the bracket includes a cross bar (6) and two vertical bars (7), the upper end of the vertical bar (7) are fixed on the lower face of the deck (3), two vertical bars (7) Lower end is mutually fixed by the cross bar (6), and the lower end of the oscillating deck (4) is articulated on two vertical bars (7) by shaft, The cross bar (6) and vertical bar (7) surround the space that can accommodate the oscillating deck (4).
3. the trimaran of variable length-width ratio according to claim 2, which is characterized in that the driving source (5) includes motor (8), main pulley (9), from belt wheel (10) and belt (11), the motor (8) is fixed at the upper end of vertical bar (7), the master tape Wheel (9) is rotatably dispose at the upper end of the vertical bar (7) and is connected with the output end of the motor (8), described from belt wheel (10) it is sheathed in the shaft and the two is mutually fixed, the main pulley (9) is connected with from belt wheel (10) by belt (11).
4. the trimaran of variable length-width ratio according to claim 3, which is characterized in that the upper end of the oscillating deck (4) is set It is equipped with wear rib one (12), wear rib two (13), the lower face of the deck (3) are provided on the side wall of the main hull (1) It is provided with wear rib three (14);When the oscillating deck (4) is when in a horizontal state, the wear rib one (12) and wear rib two (13) it abuts against;When the oscillating deck (4) is in a vertical state, the wear rib one (12) offsets with wear rib three (14) It connects.
5. the trimaran of variable length-width ratio according to claim 4, which is characterized in that the section of the wear rib one (12) Semicircular in shape, having on the wear rib two (13) and wear rib three (14) can match with the side of the wear rib one (12) The concave surface of conjunction.
6. the trimaran of variable length-width ratio according to claim 5, which is characterized in that the upper end of the oscillating deck (4) End face is vertically and fixedly provided with several guide rods (15), is arranged with pressure spring (16) on the guide rod (15), one end of the pressure spring (16) It is fixed on the end face of the upper end of oscillating deck (4), the other end of the pressure spring (16) is connected with the wear rib one (12).
7. the trimaran of variable length-width ratio according to claim 6, which is characterized in that the lower end of the wear rib one (12) End face on offer blind hole, the upper end of the guide rod (15) is plugged in the blind hole and the two is slidably matched.
CN201711095583.0A 2017-11-09 2017-11-09 A kind of trimaran of variable length-width ratio Expired - Fee Related CN107804421B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711095583.0A CN107804421B (en) 2017-11-09 2017-11-09 A kind of trimaran of variable length-width ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711095583.0A CN107804421B (en) 2017-11-09 2017-11-09 A kind of trimaran of variable length-width ratio

Publications (2)

Publication Number Publication Date
CN107804421A CN107804421A (en) 2018-03-16
CN107804421B true CN107804421B (en) 2019-11-05

Family

ID=61590657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711095583.0A Expired - Fee Related CN107804421B (en) 2017-11-09 2017-11-09 A kind of trimaran of variable length-width ratio

Country Status (1)

Country Link
CN (1) CN107804421B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039982C (en) * 1991-01-18 1998-09-30 阿弗尔新工厂公司 Displacement and multihull ship with limited transverse rectifying torque and with reduced advance resistance
CN102602510A (en) * 2011-12-15 2012-07-25 深圳市海斯比船艇科技股份有限公司 Collision and rolling resistant monohull ship
WO2014045017A1 (en) * 2012-09-18 2014-03-27 Pulse Hydro Power Ltd A mooring system for a hydropower generator and a hydropower system
CN204250295U (en) * 2014-07-28 2015-04-08 鲁一南 Folding trimaran lateral piece
CN105172994A (en) * 2015-08-26 2015-12-23 王有健 Folding type trimaran yacht
CN105966545A (en) * 2016-05-23 2016-09-28 哈尔滨工程大学 Trimaran

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470817B2 (en) * 1999-03-01 2002-10-29 Barry E. Delfosse Small waterplane area multihull (SWAMH) vessel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1039982C (en) * 1991-01-18 1998-09-30 阿弗尔新工厂公司 Displacement and multihull ship with limited transverse rectifying torque and with reduced advance resistance
CN102602510A (en) * 2011-12-15 2012-07-25 深圳市海斯比船艇科技股份有限公司 Collision and rolling resistant monohull ship
WO2014045017A1 (en) * 2012-09-18 2014-03-27 Pulse Hydro Power Ltd A mooring system for a hydropower generator and a hydropower system
CN204250295U (en) * 2014-07-28 2015-04-08 鲁一南 Folding trimaran lateral piece
CN105172994A (en) * 2015-08-26 2015-12-23 王有健 Folding type trimaran yacht
CN105966545A (en) * 2016-05-23 2016-09-28 哈尔滨工程大学 Trimaran

Also Published As

Publication number Publication date
CN107804421A (en) 2018-03-16

Similar Documents

Publication Publication Date Title
JP2015533356A (en) A ship having a rotor with a flap arranged in the vicinity of the rotor
CN101966870B (en) Steel wire hinged-type flapping-wing micro air vehicle (FMAV) driving mechanism
CN107804421B (en) A kind of trimaran of variable length-width ratio
CN201099290Y (en) Crawler type walking means
CN204548462U (en) A kind of crane sail
CN201825236U (en) Driving mechanism for steel-wire hinged minisize flapping-wing aircraft
CN203767047U (en) Telescopic lateral-turnover prevention device for ship
CN103661838B (en) Lifting mode ship rollover-resistant mechanism
CN110683012B (en) Disconnect-type stabilizer
CN103693172A (en) Folding type ship side capsizing proof mechanism
CN208306966U (en) A kind of ship combination propulsion device
CN106120585A (en) A kind of silencing energy economizer type bridge paravent
CN204821979U (en) High -speed boat variable angle who unites surperficial oar propeller presses unrestrained device
CN103661842A (en) Telescopic ship side turn preventing mechanism
CN203780768U (en) Foldable type ship sidewise turning preventing mechanism
CN207389453U (en) A kind of trimaran
CN203921176U (en) Differential rack-and-pinion adjustable pitch paddle mechanism
CN203780764U (en) Lifting type ship side-rollover prevention mechanism
CN209382247U (en) A kind of ship stretches crankshaft holder
CN205396382U (en) Sail vehicle
CN208055845U (en) Yacht pontoon bridge with novel skirt pile gripper
CN205131633U (en) Aerodynamic device
CN201882239U (en) Rocker arm structure of marine retractable fin stabilizer
CN205131645U (en) Conveniently adjust device of thrust bearing
CN206171781U (en) Marine sheet rudder

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
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191105

Termination date: 20211109

CF01 Termination of patent right due to non-payment of annual fee