CN218368222U - Electric ferry boat on coastal area - Google Patents

Abstract

The utility model discloses an electronic ferry boat in coastal uses at daily life water route traffic, and its technical scheme main points are: the ship comprises a ship body and a propulsion system, wherein the ship adopts the propulsion system combining a diesel generator set, an alternating current variable frequency motor and a straight wing rudder propeller, the diesel generator set is connected with the alternating current variable frequency motor through a cable, and the alternating current variable frequency motor drives the straight wing rudder propeller through a coupling joint to carry out ship control. The utility model discloses the technological effect who has is that the maneuverability is good.

Description

Electric ferry boat on coastal area

Technical Field

The utility model belongs to the technical field of boats and ships and specifically relates to an electronic ferry boat in coastal region is related to.

Background

The ferry as one of four modern traveling modes is a transport ship sailing between rivers, lakes, straits and islands, and is mainly used for carrying passengers, goods, vehicles and trains to bridge rivers, lakes and straits. Ferry boats are short-range transport vessels, have a long history, can see the figure of the ferry boat in many places around the world, and have fewer electric propulsion technologies and less energy-saving and environment-friendly measures in civil ships.

The traditional ferry boat generally uses diesel to urge a diesel generator to generate energy to drive a propeller to operate, a connecting shaft of the diesel generator is connected with a transmission shaft of the propeller through a rigid coupling, the requirement on neutrality of two shafts is high, when the two shafts have relative displacement, additional load can be caused in a machine to deteriorate the working condition, when the propeller and the rigid coupling work in a matching way, the discharge flow of the propeller is sprayed on a rudder surface when the boat advances, the lateral force of the right side discharge flow is larger than that of the left side due to the influence of half flow of the boat body, so that the discharge flow lateral force is formed, when the boat is rewound, the discharge flow of the boat is driven on the stern instead of the rudder surface, the lateral force of the right side discharge flow is larger than that of the left side due to the slimming on the stern, so that the reverse sailing discharge flow lateral force is formed, the influence on the boat is small in the advancing process, however, the boat can generate a large influence on the boat in the process of rewound, the main influence is that once the ship is driven by the rightwards to push the ship to deflect, the thrust generated, so that the boat can hardly move towards the original place, and the ship can rotate in a complex direction.

With respect to the related art in the above, the inventor considers the maneuverability of the conventional ferry to be general.

SUMMERY OF THE UTILITY MODEL

In order to optimize vessel maneuverability, the present application provides a coastal electric ferry.

The above technical purpose of the present invention can be achieved by the following technical solutions: the coastal electric ferryboat comprises a boat body, wherein a propulsion system is fixedly arranged at the stern of the boat body, the propulsion system comprises a diesel generator, the diesel generator is connected with an alternating current variable frequency motor through a cable, a rotating shaft of the alternating current variable frequency motor is connected with a straight wing steering oar, and the rotating shaft of the alternating current variable frequency motor is fixedly connected with a transmission shaft of the straight wing steering oar.

By adopting the technical scheme, the rotating shaft of the straight wing rudder propeller is vertically arranged, the hydraulic cross-sectional area of the propeller is rectangular, the hydraulic cross-sectional area of a general propeller is circular, under the same draught condition, the hydraulic cross-sectional area of the straight wing rudder propeller is generally larger than that of a general propeller, the reduction of the load of the propeller is facilitated, and meanwhile, the blade of the straight wing rudder propeller forms thrust consistent with the direction of a rudder blade surface when rotating, so that the size and the direction of the thrust can be changed within the range of 360 degrees by the straight wing rudder propeller, the ship body can realize various complex motions such as in-situ rotation, and the like, and the ship body has extremely excellent maneuverability.

The utility model discloses further set up to, propulsion system has two sets to fix respectively in the stern both sides.

By adopting the technical scheme, two sets of propulsion systems are installed at the same time to work in a mutually matched mode, and in the process of turning around, besides the rudder, one propulsion system can also be used for advancing and one reverse sailing mode so as to obtain enough thrust torque to help the ship to turn around and further strengthen the maneuverability of the ship.

The utility model discloses further set up to, alternating current inverter motor's pivot with the transmission shaft of straight wing rudder oar passes through the quincunx elastic coupling and connects.

Through adopting above-mentioned technical scheme, quincunx elastic coupling only receives the extrusion force at the in-process of transmission moment of torsion, and does not receive the moment of torsion that the rotating member received usually, is difficult for wearing and tearing in the use, and life improves by a wide margin.

The utility model discloses further set up to, the hull bow is established the head post that leans forward and is gathered together both sides planking and fossil fragments.

By adopting the technical scheme, the forerake head column gathers the outer plates and the keels on the two sides of the bow, is a strong member for keeping the shape of the bow, and plays a certain role in strengthening the structure of the ship body.

The utility model discloses further set up to, the hull afterbody adopts the horizontal tail to indulge streamlined and be equipped with dull wood and press the unrestrained board.

By adopting the technical scheme, the tail of the ship body adopts the principle of horizontal tail longitudinal streamline application pressure intensity to reduce the resistance of the ship body in water operation and simultaneously reduce the bumping feeling, the tail is fixedly provided with the stiff wood which mainly plays a role in guiding flow and reduces the rolling effect of the ship to improve the navigation stability of the ship, and the tail is also provided with the wave pressing plate which can provide a part of forward power for the ship body while reducing the bumping feeling and improving the comfort.

The utility model discloses further set up to, the electronic ferry boat owner hull deck in coastal is the longitudinal frame formula, and topside and hull bottom are the horizontal frame formula, and upper main deck room adopts marine steel welded forming for horizontal frame formula.

By adopting the technical scheme, the requirement of total longitudinal strength is met, the transverse strength is better, and the further improved structural strength of the ship body provides one layer of guarantee for the safety of sailors and passengers.

The utility model discloses further set up to, diesel generating set on the electric ferry boat in the main deck equipment cabin down.

Through adopting above-mentioned technical scheme, diesel oil power generation unit places in main deck equipment cabin down, can reduce the noise of propagation, and has laid aluminium flower board in the under-deck, further noise reduction, noise abatement pollution.

The utility model discloses further set up to, be equipped with domestic sewage cabin, sump oil water tank and garbage bin on the electronic ferryboat in coastal, forbid to use the device that contains ozone depletion layer goods and materials, the air conditioner refrigerant adopts the environment-friendly refrigerant.

By adopting the technical scheme, the problem that domestic sewage such as grey water and grey water generated on a ship is directly discharged to the outboard to cause water pollution of a sailing water area is avoided, and garbage generated in the riding process of ship passengers is prevented from being discarded and not concentrated so as to improve the environmental protection efficiency of the sailing area of a coastal water area.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the maneuverability of the ship is better;

2. the ship has better navigation performance and stronger hull structure;

3. the noise is less, energy-conserving environmental protection.

Drawings

Fig. 1 is a side view of a hull of an embodiment of the invention.

Fig. 2 is a top view of the main deck of an embodiment of the present invention.

Fig. 3 is a bottom view of the bilge in accordance with an embodiment of the present invention.

Fig. 4 is a front view of the bow of an embodiment of the invention.

Fig. 5 is a top view of a rudder paddle with straight wings according to an embodiment of the present invention.

Fig. 6 is a stern elevation view of an embodiment of the invention.

Description of reference numerals: 1. a hull; 2. a cab; 3. a passenger cabin; 4. a restaurant; 5. a kitchen; 6. a toilet; 7. a diesel generator; 8. an AC variable frequency motor; 9. a straight wing paddle rudder; 10. a propulsion system; 11. a coupling; 12. forward leaning the first column; 13. dull wood; 15. a deck; 16. a side; 17. a bottom of the ship; 18. a main deck room; 19. a nacelle; 20. a domestic sewage tank; 21. a sump oil and water tank; 22. a trash can; 24. and pressing the corrugated board.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

Example 1

The coastal electric ferry comprises a hull 1 and a diesel generator 7, wherein the diesel generator 7, an alternating current variable frequency motor 8, a straight wing rudder propeller 9 and the like form a propulsion system 10, as shown in figure 1.

As shown in fig. 3 and 5, the diesel engine 7 is fixedly arranged at the stern and connected with one end of the variable frequency ac motor 8 through a cable, the other end of the variable frequency ac motor 8 is connected with the straight wing rudder propeller 9 through a coupling 11, two sets of propulsion systems 10 on the ship are respectively fixed at two sides of the stern, a rotating shaft of the ac variable frequency motor 8 is connected with a transmission shaft of the straight wing rudder propeller 9 through an elastic coupling 11, the elastic coupling 11 adopted in the embodiment is a quincunx elastic coupling 11, the diesel generator 7 group is fixedly arranged in the main deck equipment cabin, and the diesel generator 7 supplies power to other electric equipment on the cabin while supplying power to the ship propulsion system 10.

The operation process of the propulsion system comprises the following steps: a crew member starts a diesel generator 7 in a cab 2, electric energy generated by the operation of a diesel generator 7 group is converted into kinetic energy by a variable frequency alternating current motor 8, the kinetic energy is transmitted to a straight wing rudder propeller 9 through a transmission device connected with a quincunx elastic coupling 11, the ship body is pushed to move forward by the force generated by the underwater movement of the straight wing rudder propeller 9, and the diesel generator 7 supplies energy to a propulsion system 10 and supplies part of the generated electric energy to electric parts in places such as a cabin 3, the cab 2, a deck 15, a side 16, a bottom 17, the ship body 1, a restaurant 4, a kitchen 5, a toilet 6 and the like.

Example 2

As shown in fig. 4 and 6, the difference from embodiment 1 lies in that the bow is provided with a forward-inclined head column 12, the tail adopts a horizontal tail longitudinal streamline type, the tail is also provided with a stiff wood 13 and a wave-pressing plate 24, the forward-inclined head column 12 gathers outer plates and keels on two sides of the bow for a strong member for keeping the shape of the bow, the tail adopts the horizontal tail longitudinal streamline type principle of applying pressure to reduce the running resistance of the ship body in water and reduce the bumping feeling, the tail is fixedly provided with the stiff wood 13 which mainly plays a role in guiding flow and reducing the rolling of the ship and improves the navigation stability of the ship, and the tail is also provided with the wave-pressing plate 24, so that the bumping feeling is reduced, the comfort is improved, and a part of forward power can be provided for the ship body.

As shown in fig. 1 and 2, the deck of the main hull of the coastal electric ferry is in a longitudinal skeleton type, and the side 16 and the bottom 17 are in a transverse skeleton type; the upper main deck room 18 is of a transverse framework type and is formed by welding marine steel, so that the requirement of total longitudinal strength is met, the transverse strength is good, and the structural strength of the ship body 1 is further improved, so that one layer of guarantee is added to the safety of crews and passengers.

The coastal electric ferry is provided with a domestic sewage tank 20, a sump oil water tank 21 and a garbage can 22, a device containing ozone depletion layer materials is forbidden to use, and an air-conditioning refrigerant adopts an environment-friendly refrigerant so as to improve the environmental protection efficiency of a navigation area of a coastal water area.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. Coastal electric ferry, comprising a hull (1), the stern part of the hull (1) is provided with a propulsion system (10), characterized in that: propulsion system (10) include diesel generator (7), diesel generator (7) have interchange inverter motor (8) through cable junction, be connected with straight wing rudder oar (9) in the pivot of interchange inverter motor (8), the pivot of interchange inverter motor (8) with the coaxial fixed connection of transmission shaft of straight wing rudder oar (9).

2. The coastal electric ferry according to claim 1, wherein: two sets of propulsion systems (10) are arranged and are respectively fixed on two sides of the stern.

3. The coastal electric ferry according to claim 2, wherein: and a rotating shaft of the alternating current variable frequency motor (8) is connected with a transmission shaft of the straight wing rudder paddle (9) through an elastic coupling (11).

4. The coastal electric ferry according to claim 1, wherein: a forerake head column (12) is arranged at the bow of the ship body (1) and gathers outer plates and keels on two sides.

5. The coastal electric ferry according to claim 4, wherein: the tail part of the ship body (1) adopts a horizontal tail longitudinal streamline and is provided with a solid wood (13) and a wave pressing plate (24).

6. The coastal electric ferry according to claim 1, wherein: the ship is characterized in that a main ship deck (15) of the ship body (1) is in a longitudinal frame type, a side (16) and a bottom (17) of the ship body are in a transverse frame type, an upper layer main deck chamber (18) is in a transverse frame type, and the main ship deck, the side, the bottom and the upper layer main deck chamber of the ship body (1) are formed by welding ship steel.

7. The coastal electric ferry according to claim 1, wherein: an equipment cabin is arranged below a main deck of the ship body (1), a diesel generator (7) is placed in the equipment cabin, and a sound insulation board is paved on the inner wall of the equipment cabin of the ship body (1).

8. The coastal electric ferry according to claim 1, wherein: the ship body (1) is provided with a domestic sewage tank (20), a sump oil water tank (21) and a garbage can (22).

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