CN206766275U

CN206766275U - A kind of double tail linear structures of ship

Info

Publication number: CN206766275U
Application number: CN201720410303.XU
Authority: CN
Inventors: 吴小玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-04-19
Filing date: 2017-04-19
Publication date: 2017-12-19
Anticipated expiration: 2027-04-19

Abstract

The utility model provides a kind of double tail linear structures of ship, including ship body, it is characterised in that the ship body tail section meets following parameter request from two small flat and arch composite line type structure：450mm ＜ B ＜ 550mm, 1750mm<B1<1850mm, 9500mm<B2<1050mm, 350mm<B3<450mm, wherein, B is ship face width, B1 be ship midship to the width of shaft centre line, B2 is ship molded breadth, and B3 is rudder seat width.Double buttock line shapes of the present utility model reduce wave making resistance, improve the propulsive efficiency of fishing boat.And two sets of axle propulsion systems can be installed, increase airscrew diameter, while reduce rotating speed, reached the purpose of the propulsive efficiency of increase propeller.

Description

A kind of double tail linear structures of ship

Technical field

A kind of application of double tail linear structures on ship is the utility model is related to, more particularly to a kind of double buttock line type knots Application of the structure on fishing boat.

Background technology

The operating environment operating mode of seagoing fishing vessel is more complicated, and usually arrives off-lying sea and caught, thus will to endurance Ask comparison high, and sometimes for the pursuit shoal of fish, it is also desirable to carry out quick sailing.Therefore, this requires fishing boat to a certain extent Ship type has the characteristics of wave making resistance is small, propulsive efficiency is high, the speed of a ship or plane is fast.Main engine power required for ship, largely Quality depending on the hydrodynamic performance of hull, therefore hull lines design directly affects the propulsive efficiency and endurance of ship. On the other hand the propulsive efficiency of propeller can also be improved to reduce required main engine power, and then improve promoting comprehensively for ship Performance, such as reduce the rotating speed of propeller, increase the diameter of propeller.But the conventional design carried out according to design specification, it is existing Some fishing vessel designs are single buttock line type or conventional propeller strut type, only install a propeller.Single buttock line type is because drinking water limits, spiral shell The diameter of rotation oar is very restricted, it is impossible to increases diameter to reduce rotating speed, thus to reach same propeller power, spiral The diameter of oar is smaller, and rotating speed is higher, thus the propulsive efficiency of propeller is than relatively low.Meanwhile propeller strut ship type because fishing boat is stranded, Rush beach and the reason such as hit a submerged reef, cause the service life of propeller strut shorter.

Application No. CN201110316185.3 Chinese patents disclose a kind of dual-oar ship form of few ballast water, select The narrow flat and composite line type structure of big wedged bottom, meets following parameter request：

0.10<B1/B<0.35；

1.1≤B2/B<1.2；

0.4<B3/B<0.8；

15 degree<A<25 degree；

Wherein, B is the ship molded breadth of prior art；

B1 is the face width of ship of the present invention；

B2 is ship molded breadth of the present invention；B3 is the distance between double oars of ship of the present invention；

A is bottom of ship angle of inclination of the present invention.

How double buttock line types of the Chinese patent while ballast water for ship is reduced and carries and does ship in zero load if solving Economic benefit under operational configuration.Also with building, convenient, construction cost is low, operability for two-wire type disclosed in the patent simultaneously The advantages that flexible.But if linear structure disclosed in the patent fails solve technical problem existing for fishing vessel.

Utility model content

In order to have defect when to overcome fishing vessel line type stern be single buttock line type, the utility model provides a kind of double Buttock line type is applied to fishing boat, due to the smoothness of double tail linear structures, reduces wave making resistance, improves the propulsive efficiency of fishing boat Outside, two sets of axle propulsion systems can also be installed using the fishing boat of double tail linear structures, increases airscrew diameter, while reduced and turn Speed, the propulsive efficiency of increase propeller is reached.

To achieve the above object, the utility model adopts the following technical scheme that:

A kind of double tail linear structures of ship, including ship body, it is characterised in that the ship body tail section selects two Small flat and arch composite line type structure, meets following parameter request：

450mm ＜ B ＜ 550mm；

1750mm<B1<1850mm；

9500mm<B2<1050mm；

350mm<B3<450mm；

Wherein, B is ship face width, and B1 is width of the ship midship to shaft centre line, and B2 is ship molded breadth, and B3 is that rudder seat is wide Degree.

One kind as above-mentioned technical proposal is improved, wherein also including the through hole for installation axle propulsion system.

One kind as above-mentioned technical proposal is improved, wherein the diameter of phi of the through hole meets following parameter, 330mm<Φ< 350mm。

One kind as above-mentioned technical proposal is improved, wherein also including the rudder seat of installation propeller.

One kind as above-mentioned technical proposal is improved, and the thickness T of its centered rudder seat meets following parameter, 180mm<T<220mm.

Compared with prior art, the technical solution of the utility model has the double propulsion systems of double oars, adds Ship Propeling Power, and do not limited by drinking water, the diameter of propeller can be improved, so as to be reduced in the case where ensureing that propeller power is constant Rotating speed, the propulsive efficiency of the ship of raising.And due to the improvement of structure, make fishing boat in situation that is stranded, hitting a submerged reef and rush beach Under, the service life of propeller strut is improved, so as to substantially increase the survival ability of fishing boat, has ensured the life and property of fisherman Safety.

Brief description of the drawings

Following specification of the present utility model referring to the drawings, wherein：

Fig. 1 is a kind of cross section of the double buttock line types of ship of an embodiment of the present utility model；

Fig. 2 is the afterbody that a kind of double buttock line types of ship of an embodiment of the present utility model are located at the center line of shafting of larboard Sectional side elevation；

Fig. 3 is A direction views in Fig. 2.

Embodiment

The embodiment of the present invention is described further below in conjunction with the accompanying drawings.It should be noted that do not conflicting In the case of, the feature in embodiment and embodiment in the application can be mutually combined.Content and the ratio of drafting in accompanying drawing Only represented as schematical, it is impossible to as limiting the scope of the invention.

The utility model provides a kind of double tail linear structures of ship, including ship body, it is characterised in that the ship Body tail section meets following parameter request from two small flat and arch composite line type structure：

450mm ＜ B ＜ 550mm；

1750mm<B1<1850mm；

9500mm<B2<1050mm；

350mm<B3<450mm；

Fig. 1 is a kind of cross section of an embodiment of the double buttock line types of ship of the present utility model.The utility model uses Be a kind of expanded letter, loose double tail linear structures.It is different from the tail linear structure of the fishing boat of routine, as illustrated, from stern See there is the leg of two slice being arranged symmetrically shapes among bottom to stem, each leg correspondingly installs a set of axle and promotes system System（It is not shown）.Hull both sides have the curve of transition, play a part of reducing both sides seawater resistance.

Fig. 2 is a kind of center line of shafting positioned at larboard of an embodiment of the double tail linear structures of ship of the present utility model Afterbody sectional side elevation.As illustrated, the double tail linear structures of the ship include the through hole for installation axle propulsion system, the through hole Positioned at the position to match with shafting in cabin, in order to install shafting.The center line of the through hole is in as shown in Figure 3 On heart line.There is axle sleeve between its center shafting and hole, axle sleeve is used with hole and is interference fitted, and in order to prevent the oil leakage of axle system Into seawater or seawater enters cabin, using pressurising and can carry out the intermediate cavity of pressure regulation and separates oil and seawater to reach sealing Purpose.

One embodiment of the present utility model, it is preferably, wherein the through hole of one embodiment of the present utility model Diameter of phi meets following parameter：330mm<Φ<350mm.

One embodiment of the present utility model, it is preferably, wherein a kind of double tail linear structures of ship of the present utility model One embodiment also includes being used for the rudder seat for installing propeller.The material of rudder seat can use the ship special-purpose steel consistent with hull Material, can also use has consistent ship special steel with hull, and this depends on the choosing of the design specification, shipowner of economical life-span of steel fishing vessels Select, or the two combines.

One embodiment of the present utility model, it is preferably, the thickness T of its centered rudder seat meets following parameter：180mm<T< 220mm。

As a result of this thickness of rudder seat, add the stability and security of rudder holder structure, when fishing boat is stranded, In the case of hitting a submerged reef and rushing beach, remain to keep the integrality of rudder seat, protect rudder oar without damage, ensure that the function of rudder oar It is intact, and then the power propulsion system of fishing boat oneself has been ensured, and after escaping danger when fishing boat under residing above-mentioned predicament, energy It is enough to carry out continuing navigation and operation rapidly using the power of oneself.And in the case of no foreign assistance, it can also pass through Oneself not impaired propulsion system is escaped danger from the above-mentioned predicament residing for fishing boat self-servicely.

Fig. 3 is Fig. 2 A direction views.It is located at the tail linear structure of larboard.BL represents baseline.Screw shaft tube is located at baseline BL The a certain position in top, so that fishing boat is under sail, ensure that rudder oar immerses in the seawater, so as to be pushed away by the thrust power of shafting Dynamic fishing boat advances.

Compared with the prior art of fishing boat, because fishing boat employs double tail linear structures, reduce wave making resistance, improve The propulsive efficiency of fishing boat.And due to the reinforcement of double tail linear structures, further protect rudder oar and ensure the dynamic property of fishing boat Energy.Double tail linear structures of the present utility model can install two-shipper two sets of propulsion systems of double oars again, that is, ensure that the power of fishing boat Performance, the propulsive efficiency of fishing boat is improved again.As a result of the fishing boat of the double oar schemes of two-shipper, each propeller undertakes entirely The half of ship load, the reduction of propeller load are advantageous to improve the efficiency of propeller.Therefore using the fishing of the double oar schemes of two-shipper Ship can also improve the efficiency of propeller, Jin Ercong by way of reducing the rotating speed of propeller, the diameter of increase propeller The propulsive efficiency of the fishing boat improved on the whole.

Described above, simply preferred embodiment of the present utility model, the utility model is not limited to above-mentioned implementation Mode, as long as it reaches technique effect of the present utility model with identical means, it should all belong to the scope of protection of the utility model, Its technical scheme and/or embodiment can have a variety of modifications and variations in the scope of protection of the utility model.

Claims

1. a kind of double tail linear structures of ship, including ship body, it is characterised in that the ship body tail section is from two small Flat and arch composite line type structure, meets following parameter request：

450mm ＜ B ＜ 550mm；

1750mm<B1<1850mm；

9500mm<B2<1050mm；

350mm<B3<450mm；

Wherein, B is ship face width, B1 be ship midship to the width of shaft centre line, B2 is ship molded breadth, and B3 is rudder seat width.

A kind of 2. double tail linear structures of ship according to claim 1, wherein also including for installation axle propulsion system Through hole.

A kind of 3. double tail linear structures of ship according to claim 2, wherein the diameter of phi of the through hole meets following join Number, 330mm<Φ<350mm.

A kind of 4. double tail linear structures of ship according to claim 1, wherein also including the rudder seat of installation propeller.

5. a kind of double tail linear structures of ship according to claim 4, the thickness T of its centered rudder seat meet following parameter, 180mm<T<220mm。