JP3209915B2 - Catamaran cleaning boat - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a catamaran type cleaning boat for collecting suspended matter (garbage) floating on the water surface.

[0002]

2. Description of the Related Art In a conventional catamaran type cleaning boat, a floating substance floating on the water surface is guided between the fuselage by cruising at a low speed.
They are captured by a container-type recovery net cage placed between the fuselage, or transported to a recovery container installed on the hull by a conveyor provided between the fuselage.

[0003]

The above-mentioned cleaning boat is suitable for a wide water area because the floating substance is recovered by sailing.

[0004] However, floating substances floating on the water surface are often blown downwind, for example, and are often gathered densely in a narrow place. The cleaning boat recovers floating substances by sailing. As such, it is not possible to sail in such a narrow water area, and it is not possible to collect suspended matters.

Therefore, an object of the present invention is to provide a catamaran type cleaning boat capable of solving the above-mentioned problems.

[0006]

Means for solving the problems in the present invention are as follows. An intake device for introducing suspended matter between the fuselage of a catamaran type hull is provided at a bow portion. On the stern side, a water flow generating device for guiding suspended matter between the fuselage is provided, and a collecting device for collecting the floating material guided between the fuselage to a predetermined place of the hull is provided, and the water flow generating device is A water turbine supported between the fuselage and rotatable about a horizontal support shaft perpendicular to the bow direction, the water turbine having a plurality of plate-shaped wings radially arranged around the horizontal support shaft. These wings are divided in the width direction of the horizontal support shaft and are arranged at a predetermined angle in the circumferential direction of the horizontal support shaft to form a water channel for guiding a water flow generated by the rotation of the water turbine. Tray member is disposed below the water wheel.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. First, a first embodiment of the present invention will be described with reference to FIGS. 1 to 8. As shown in the overall views of FIGS. 1 and 2, a twin barrel for collecting suspended matter 1 on the water surface is described. In the cleaning boat 2, a raking device 5 is provided at the bow of each of the torso 4 of the twin-hull type hull 3 for recovering the floating material 1 forward between the hulls 4.

As shown in FIG. 1, the scraping device 5 includes a column 6 vertically arranged at the bow of each fuselage 4, and a mounting ring member 7 provided in the middle of the column 6 via a horizontal shaft 8. A pair of scraping members 11 on which the arm 10 is rotatably supported in a vertical plane, a turning pinion 12 fitted externally in the middle of the column 6, and a rod 13 which expands and contracts in the bow-stern direction. The rack 14 meshing with the turning pinion 12
It comprises a turning cylinder device 15 attached to three parts, and a turning cylinder device 16 for turning (pulling up) the arm portion 10 of the raking member 11 around the horizontal axis 8.

Each of the scraping members 11 has the same length and the mounting position is shifted in the bow direction,
The scraper plate 17 formed integrally with the arm 10
9 through the opening / closing shaft 18 at the tip of the scraping plate 17.
A scraping claw 20 attached to be freely openable and closable in a range of 0 °,
The cylinder unit (base end) of the rotating cylinder device 16 is provided with 16 a at the upper end of the support column 6. The rod 13 is rotatably mounted on the upper surface of the scraping plate 17 via a pin 16b.

When the raking teeth 21 pivot so as to close the raking plate 17 and the raking claw 20, the raking teeth 21 stand on their own due to the water resistance and the resistance caused by the weight of the suspended matter 1, and the raking plate 17
Also, it is attached to the raking plate 17 and the raking claw 20 so that it falls down when the raking claw 20 turns so as to open. It is configured not to receive.

In the scraping device 5 configured as described above, as shown by the imaginary line in FIG. 2, the scraping member 11 is moved upward during running to reduce water resistance and does not become an obstacle. As described above, that is, closed inside the body 4 side, and stored.

When the suspended matter 1 is to be collected in front of the body 4, each of the pivoting cylinder devices 15 is driven to rotate the pivoting pinion 12, thereby rotating the column 6 and thereby bringing the both ends together. The plate 17 is opened outward. Subsequently, by driving each of the rotating cylinder devices 16, both the scraping members 11 are rotated around the horizontal axis 8 to cause the scraping teeth 21 to land, and the scraping claws 20 are moved to the opening and closing shafts 18 as necessary. In addition to opening and closing around, each of the turning cylinder devices 15 is driven at a shifted timing, and both the scraping members 11 are turned around the support column 6.

By doing so, the scraping member 1
1 can be turned inward with a shift in timing, and the floating object 1 can be raked forward between the bodies 4. When there are many floating substances 1, each of the rotating cylinder devices 16 is driven to rotate the scraping plate 17 upward, and each of the rotating cylinder devices 15 is driven to open the scraping plate 17 to the outside. By repeating the operation of driving the moving cylinder device 16 to land the scraping teeth 21, driving each turning cylinder device 15 at a shifted timing, and turning both the scraping members 11 around the column 6, Surely floating matter 1
Can be collected forward between the bodies 4.

Further, the catamaran type cleaning boat 2 in the present embodiment.
Is the suspended matter 1 collected between the bodies 4 by the scraping device 5
25 for guiding water between the body 4, and a floating substance 1 guided between the body 4 by a water flow W generated by driving the water wheel 25.
A long endless conveyor 27 (an example of a recovery device) in the bow and stern direction is provided for transporting to a mesh basket 26 for loading the floating matter 1 described below, which is installed at a predetermined location on the hull 3.

The conveyor 27 has a conveyor frame 31 supported on a pair of supports 28 (tumbler) mounted on the deck of the hull 3 through a swing shaft 30 so as to be swingable, and a conveyor frame 31. A relatively fine endless net 34 wound around rollers 32 and 33 rotatably supported at the front and rear ends of 31, and arranged at the ends of the rollers 32 and 33 and provided on both sides of the endless net 34 A chain drive sprocket 35 meshing with the drive chain 36, and a transport motor 37 for driving the rear roller 33, and a cylinder portion 40a is rotatable on a column 38 standing on the bow side deck. And a pair of rocking cylinder devices 40 having a rod 40b rotatably mounted at the front of the conveyor frame 31. Is configured to conveyor frame 31 can swing the swing shaft 30 about.

The water turbine 25 has a plurality of wings 42 radially arranged around a cylindrical body 41A externally fitted and fixed to a horizontal shaft 41 perpendicular to the bow direction, as shown in FIG. As described above, each of the wing bodies 42 is divided into two in the width direction of the horizontal shaft 41 and is shifted by a predetermined angle (for example, 45 °) in the circumferential direction of the horizontal shaft 41, and the divided wing members 4.
2A and 42B.

As shown in FIG. 5, the water wheel 25 has a drive chain 36 at the peripheral end of each of the divided wing members 42A and 42B.
And a gear 44 having a tooth portion 43 that meshes with the gear. Both ends of the horizontal shaft 41 are rotatably supported on the conveyor frame 31 by V-shaped support legs 45.

As shown in FIG. 4, below the water wheel 25, a water path forming tray 46 for forming a water path of the water flow W generated by driving the water wheel 25 and efficiently generating the water flow W is disposed. The upper and front and rear portions of the tray 46 are opened, and a concave portion 47 is formed on the bow side into which the front portion of the conveyor 27 enters. The tray 46 is mounted on the conveyor frame 31 via mounting column members 47a.

In the above configuration, in order to reduce water resistance during sailing, each swing cylinder device 40 is driven to move the conveyor 27 around the swing shaft 30 so as to keep the conveyor 27 away from the water surface. By the way, the body 4
In order to guide the suspended matter 1 collected forward between the body 4, first, the tip is moved downward from the state in which the conveyor 27 is moved up around the swing shaft 30 to make it land. Then, watermill 2
5 and tray 46 land with conveyor 27. When the transport motor 37 is driven, the drive chain 36 and the endless net 34 rotate, the water wheel 25 rotates with the rotation of the drive chain 36, and a water flow W moving toward the stern is generated on the water surface, and the water flow W The suspended matter 1 collected forward moves between the fuselage 4 toward the stern, reaches the end of the conveyor 27, and is transferred onto the endless net 34 of the conveyor 27.

Further, the catamaran type cleaning boat 2 according to the present embodiment.
Is a container-type mesh basket 26 for loading the suspended matter 1 conveyed by the conveyor 27 (rectangular in plan view with the upper side open).
Is disposed on the stern side between the fuselage 4, and a guide device 51 for moving the net cage 26 toward the stern side to a position where it can be suspended by the suspension cable 50 of the crane device installed on the quay side, for example.
Is provided.

The guide device 51 includes a pair of left and right guide rails 5 arranged between the fuselage 4 and inclined downward toward the bow.
3, a frame-shaped carriage 55 which is movably mounted on the guide rails 53 via wheels 54, and has a central opening for inserting the net basket 26, and the carriage 55 is mounted on the guide rails 53. Reciprocating device 5 for reciprocating movement
6 is comprised.

The reciprocating device 56 is provided on the stern side with the fuselage 4.
A shaft 58 rotatably supported via a bearing 57 on a mounting table 59 supported therebetween;
, A carriage moving motor 62 for driving a chain 61 wound around the sprocket 60, a pair of pulleys 63 fitted on both sides of a shaft 58, and the pulley 63 and the carriage 55, and a wire rope 64 stretched at the end.

On the side of the mesh basket 26, an engagement frame 65 is attached to engage with the carriage 55 from above. In the guide device 51 configured as described above, when the net basket 26 is installed on the hull 3, the bogie moving motor 62 is first driven to wind up the wire rope 64 and the bogie 55.
Is moved upward, the mesh basket 26 is hung by the hanging rope 50 of the crane device, and the mesh basket 26 is lowered until the engagement frame 65 is engaged with the upper surface of the bogie 55. In order to reduce water resistance during the cruising, the position of the bogie 55 is positioned above the hull 3, and upon arrival in a narrow water area, the bogie moving motor 62 is driven to pull the wire rope 64 to the pulley 63. And the cart 55 is moved forward along the guide rail 53 by its weight, whereby the net basket 26 is positioned below the rear of the conveyor 27.

When the suspended matter 1 which has been conveyed and dropped by the conveyor 27 accumulates in the net basket 26 (when the cleaning operation is completed), the truck moving motor 62 is driven to wind up the wire rope 64, The trolley 55 is moved upward to reduce the water resistance. When the bogie 55 arrives at the quay, the net basket 26 is hung by the hanging rope 50 of the crane device, and the net basket 26 is lifted to the quay to collect the floating matter 1.

The swinging cylinder devices 40 mounted on the conveyor frame 31, the rotating cylinder devices 16 of the scraping device 5, the rotating cylinder devices 15, the transport motor 37 of the conveyor 27 and the carriage movement of the guide device 51. The driving operation of the motor 62 is performed by operating a control device (not shown) installed in a steering room 66 arranged on the deck of the hull 3.

The catamaran type cleaning boat 2 as described above travels to a narrow water area and stops, and then scrapes the floating material 1 on the water surface forward between the fuselage 4 by the scraping device 5 to drive the conveyor 27. The water wheel 25 is rotated to generate a water flow W in the stern direction by hitting the water surface by each of the divided wing members 42A and 42B, and the floating material 1 flowing between the fuselage 4 by the water flow W is generated.
Are loaded on the net basket 26 by the conveyor 27 to perform the cleaning operation.

By this operation, the suspended matter 1 can be collected even in a narrow water area where the ship cannot sail as in the related art. As described above, when the water wheel 25 rotates, each wing body 42 rotates so as to hit the water surface. At this time, each wing body 42 is divided into two in the width direction of the horizontal shaft 41 and the circumference of the horizontal shaft 41 is divided. Since the divided wing members 42A and 42B are shifted from each other by a predetermined angle in the direction, the divided wing members 42A and 42B strike the water surface at a shifted timing, and therefore, when the wing body 42 strikes the water surface. The energy is reduced (halved), the strength of the components of the water turbine 25 and the mounting portion thereof is reduced, so that the water turbine 25 can be manufactured inexpensively, and the amount of the water flow W does not decrease.

In the above-described embodiment, each wing body 42 is simply formed into a plate shape divided into two in the width direction of the horizontal shaft 41. However, the present invention is not limited to this. As shown in the perspective view of FIG. Alternatively, the scraping member 70 may be bent in a direction perpendicular to the tip portions of the divided wing members 42A and 42B. According to this configuration, when the water wheel 25 is rotated around the horizontal axis 41, the water flow W can be generated more reliably by the raking member 70.

Further, in the above embodiment, the wing body 42 is divided into two wing members 42A, 4A in the width direction of the horizontal shaft 41.
2B, but is not limited to this. For example, each of the divided wing members 42A, 42B is divided into three in the ship width direction.
May be shifted by 30 ° in the circumferential direction of the horizontal shaft 41, the same operation and effect as the above embodiment can be obtained.

[0030]

As is apparent from the above description, the present invention provides an intake device for introducing suspended matter between the fuselage bodies of a twin-hull type hull, and converts the suspended matter introduced between the fuselage bodies into a predetermined shape of the hull. A collection device is provided for collection at the location, so that even suspended matter that is densely packed in a narrow place can be recovered, and the suspended matter can be collected between the fuselage of the catamaran hull. On the stern side of the intake device, a water wheel for guiding suspended matter between the fuselage is provided, and this water wheel has a plurality of plate-shaped wings radially arranged around a horizontal support shaft. Since the horizontal shaft was divided in the width direction of the horizontal shaft and shifted by a predetermined angle in the circumferential direction of the horizontal shaft, each wing body hit the water surface at a shifted timing when the turbine was rotated. The energy required when the body hits the surface of the water is reduced, Reduce the component and strength of the attachment portion to create cheaper, yet not also reduce the amount of water flow.

[Brief description of the drawings]

FIG. 1 is an overall configuration side view of a twin-body cleaning boat showing a first embodiment of the present invention.

FIG. 2 is a plan view of the entire configuration.

FIG. 3 is an enlarged perspective view of the scraping member.

FIG. 4 is an enlarged perspective view of a conveyor and a water wheel.

FIG. 5 is an enlarged side view of the water turbine.

FIG. 6 is an enlarged perspective view of the wing body.

FIG. 7 is an enlarged perspective view of the guide device.

FIG. 8 is an enlarged perspective view of a state where a net basket is installed on a hull using the same guide device.

FIG. 9 is an enlarged perspective view of a wing showing another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floating thing 2 Catamaran type cleaning boat 3 Hull 4 Hull 5 Traction device 8 Horizontal axis 11 Rusting member 15 Rotating cylinder device 16 Rotating cylinder device 21 Ragging teeth 25 Water wheel 26 Net basket 27 Conveyor 28 Support stand 31 Conveyor Frame 34 endless net 36 drive chain 37 transport motor 40 swing cylinder device 42 wing body 42A divided wing member 42B divided wing member 46 tray 51 guide device 53 guide rail 54 wheel 55 trolley 56 reciprocating device 64 wire rope 65 engagement frame W water current

──────────────────────────────────────────────────続 き Continuing on the front page (72) Kazuo Kunihara 5-3-28 Nishikujo, Konohana-ku, Osaka-shi, Osaka Within Hitachi Zosen Corporation (72) Inventor Yasuo Nakai 5 Nishikujo, Konohana-ku, Osaka-shi, Osaka No. 3-28, Hitachi Zosen Corporation (56) References JP-A-4-339909 (JP, A) JP-A-54-70588 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , (DB name) B63B 35/32 B63B 1/12 B63B 35/73 B63H 5/02

Claims (2)

(57) [Claims] 1. A catamaran type cleaning boat for collecting suspended matter floating on the water surface, wherein an intake device for introducing suspended matter between the fuselage of the catamaran type hull is provided at a bow portion, On the stern side of this intake device, a water flow generating device for guiding the floating matter between the fuselage is provided, and a collecting device for collecting the floating material guided between the fuselage to a predetermined place of the hull is provided, The water flow generating device includes a water turbine supported between the fuselage and rotatable about a horizontal support shaft perpendicular to the bow and stern direction, and the water turbine includes a plurality of plate-like wings arranged radially around the horizontal support shaft. A twin-hull type cleaning boat, comprising: a wing body, wherein each of the wing bodies is divided in a width direction of the horizontal support shaft and is shifted by a predetermined angle in a circumferential direction of the horizontal support shaft. 2. The catamaran type cleaning boat according to claim 1, wherein a tray member for forming a water channel for guiding a water flow generated by rotation of the water wheel is disposed below the water wheel.