JPH09249191A - Catamaran type rubbish collecting vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a catamaran type rubbish collecting vessel guiding and recovering floating matters floating on the water surface between bodies during a cruise, separating guide door plates, and guiding and recovering the floating matters with a water jet pump. SOLUTION: This catamaran type rubbish collecting vessel is provided with guide door plates 8, 8 capable of being switched to the nonguidance attitude A1 and the floating matter guidance attitude A2 at a bow section and a hydraulic cylinder device 12 switching both guide door plates 8, 8 to the floating matter guidance attitude A2 and the nonguidance attitude A1. The hydraulic cylinder device 12 is driven to set the guide door plates 8, 8 to the nonguidance attitude A1 sharpened in the bow direction during a cruise, and a catamaran type hull 3 can be cruised with little resistance. When the hull 3 reaches an aimed position, the hydraulic cylinder device 12 is driven to set the guide door plates 8, 8 to the floating matter guidance attitude A2, a water jet pump 16 is driven to generate a stream between bodies 4, and floating matters 1 can be recovered.

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]

SUMMARY OF THE INVENTION In the above-mentioned cleaning boat, the floating material is collected by guiding it between the bodies by simply traveling, so that the efficiency of collecting the floating material is poor.

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

[0005]

Means for solving the problems in the present invention include a propulsion device for propelling a catamaran type hull and an intake for introducing suspended matter between the bodies of the catamaran type hull. It has a device and a recovery device for recovering the suspended matter taken in between the fuselage at a predetermined place of the hull, and the intake device has a base end part which is rotated by a longitudinal member on the bow part of each body. The guide door plates are movably supported, and each of these guide door plates has a non-guided attitude in which the tip portions of the guide door plates are in contact with each other and is sharp in the bow direction, and the floating object guides in which the tip portions of the guide door plates are separated from each other. A switching device is provided that is switchable to any posture and that pivots both guide door plates around the vertical axis member to switch between the non-guide posture and the floating substance guide posture.

Further, a bow bottom bottom plate for covering the bottom part between the guide door plates in the non-guided posture of the guide door plate is provided at the bow part,
A water jet pump is used as the propulsion device.

Further, the water jet pump is also used as a water flow generator for guiding suspended matter between the bodies.

[0008]

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 and 2. This is a catamaran cleaning boat 2 for collecting suspended matter 1 on the water surface, and catamaran hulls 3 are It has a body 4, a body bottom plate 4 </ b> A provided on the bottom between the bodies 4, and a steering room 7 installed on the deck K.

At the bow of each fuselage 4 is provided a take-in device 5 for taking in the suspended matter 1 between the fuselage 4 of the catamaran type hull 3. The take-in device 5 is provided at the bow of each fuselage 4. Guide door plates 8 and 8 whose base ends are rotatably supported via vertical axis members 6 are provided, and the guide door plates 8 and 8 are sharpened in the bow direction with their tip ends abutting each other. The non-guide attitude A1 and the floating object guide attitude A2 in which the tip portions of the guide door plates 8 and 8 are separated from each other are freely switchable.

At the bow portion of the catamaran type hull 3, there is a bow bottom plate 9 for covering the bottom opening between the guide door plates 8 in the non-guided posture A1 of the guide door plates 8, 8. It is provided by extending to 4A.

The guide door plates 8 and 8 are attached to the vertical axis member 6.
A switching device 10 is provided for rotating around and switching between the non-guide posture A1 and the floating substance guide posture A2. The switching device 10 includes the central portion of the catamaran-type hull 3 on the bow side and each guide door plate 8. , 8 are connected to each other in the middle of the inner plate surfaces of the hydraulic cylinders 8 via pin members 11 and are provided in pairs as hydraulic cylinder devices 12.

Further, an endless type conveyor 27 (an example of a collecting device) inclined in the bow-stern direction for transporting to a net basket 26 for loading floating substances, which will be described later, is installed at a predetermined position of the hull 3, In this conveyor 27, a conveyor frame 31 is supported on a horizontal support shaft 30 of the catamaran type hull 3.

Rollers 32 and 33 are rotatably supported at the front and rear ends of the conveyor frame 31, and the rollers 32 and 33 are rotatably supported.
A relatively fine endless net 34 is wound around
A drive device 20 for driving the conveyor 27 is provided on the deck K.

The catamaran type cleaning boat 2 according to the first embodiment of the present invention is a pair of left and right propulsion water jet pumps (propulsion devices, hereinafter simply referred to as "propulsion jet pumps").
(Referred to as ") 15 and between the two propelling jet pumps 15 and the float 1 taken between the fuselage 4 and the conveyor 27.
A water jet pump (water jet generator, hereinafter simply referred to as "water jet pump") 16 for generating a water jet W for supplying water is disposed, and both the propulsion jet pump 15 and the water jet pump 16 are engines. A drive unit is connected to 17.

The propulsion jet pump 15 is configured to suck the propulsion water from the bottom of each body 4, and the water jet pump 16 is configured to suck the water flow from the front opening 18.

By the way, the net basket 26 for loading the suspended matter 1 conveyed by the conveyor 27 is arranged on the deck K on the stern side, and the net basket 26 is composed of three net cage bodies 26A to 26C.
The right and left rails 40 in the ship width direction are laid on the deck stern side of the deck K, and the front and rear rails 41 in the bow-stern direction are laid on both sides of the deck K. The net cages 26A to 26C include the left and right rails 40 and It is configured to be movable along the front and rear rails 41.

In the above structure, when traveling to a destination, first, the hydraulic cylinder device 12 is driven so that the tip portions of the hydraulic cylinder device 12 are brought into contact with each other so that both guide door plates 8 and 8 are in a non-guided posture which is sharp in the bow direction. A1 is set and the propulsion jet pump 15 is driven to propulsion.

As described above, the two guide door plates 8 and 8 are brought into a non-guide position A1 in which the tip portions are brought into contact with each other so as to be sharpened in the bow direction, so that the vehicle can be driven with a small resistance.
Furthermore, the catamaran hull 3 has a body bottom plate 4A and a bow bottom plate 9
The propulsion guidance is smoothly carried out by and, therefore, the propulsion performance at the time of traveling can be improved.

By the way, when the floating object 1 is found when approaching the destination, the hydraulic cylinder device 12 is driven to separate the tip portions of the hydraulic cylinder device 12 to switch the guide door plates 8 and 8 to the floating object guiding posture A2. , Stop the propulsion jet pump 15,
Instead, the water jet pump 16 is driven.

When the two guide door plates 8 and 8 are thus switched to the floating material guide posture A2 and the water jet pump 16 is driven, the speed of the catamaran hull 3 is lowered and the guide door plates 8 and 8 are separated from each other. A water channel is formed from the above opening to the stern side, water for water flow is sucked from this opening, and a water flow W is generated, and the floating body 1 moves between the bodies 4 together with this water flow W. By adjusting the expansion / contraction amount of the hydraulic cylinder device 12, it is possible to adjust the separation distance between the two guide door plates 8 and 8 to correspond to the amount of floating matter 1 and its floating range.

Then, the floating material 1 is further moved to the stern side by the water flow W and is supplied to the conveyor 27,
The floating material 1 is transferred and placed on the conveyor 27, and is further conveyed to the stern side by this conveyor 27.

Further, the suspended matter 1 conveyed to the stern side by the conveyor 27 is transferred from the conveyor 27 to the net cages 26A to 26A-2.
6C will be dropped and loaded, and when the net cages 26A to 26C are full, the net cage 2
6A to 26C are moved along the left and right rails 40 and the front and rear rails 41 to move the empty net cages 26A to 26C to the conveyor 27.
It is located below and the float 1 is dropped on it.

As described above, according to the first embodiment of the present invention, the non-guide attitude A1 and the floating matter guide attitude A2 are applied to the bow portion.
Since the guide door plates 8 and 8 that can be switched are provided in the hydraulic cylinder device 12 that switches the guide door plates 8 and 8 between the floating object guiding posture A2 and the non-guide posture A1, the hydraulic cylinder device is provided during traveling. By driving 12 to set the guide door plates 8 and 8 to the non-guide posture A1 which is sharp in the bow direction, the catamaran hull 3 can be driven with a small resistance, and when the destination is reached. The hydraulic cylinder device 12 is driven to open the guide door plates 8 and 8 to set the floating material guide posture A2, and the water jet jet pump 16 is driven to generate the water flow W. 26A to 26C can be collected.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the above first embodiment, the propulsion jet pump 15 and the water jet pump 16 are provided separately, but in the second embodiment of the present invention,
The water jet pump 16 at the center is omitted, and the pair of left and right propulsion jet pumps 15 are also used as water jet pumps.

That is, the propulsion suction port 46 is formed at the bottom (ship bottom) of each propulsion jet pump 15, and the water flow suction port 47 is formed at the side portion between the bodies 4 of each propulsion jet pump 15 and the propulsion suction port. 46, a pair of lids 46A and 47A for opening and closing the water flow inlet 47 are provided, and one lid is closed and the other lid is opened depending on whether to propel or generate the water flow W. The other structure is similar to that of the first embodiment described above, and will be omitted.

According to this construction, the propulsion water is sucked only from the propulsion suction port 46 by closing the one lid 47A and opening the other lid 46A until the vehicle arrives at the intended place. , Which enables sailing,
When the vehicle arrives at the destination, the lid 47A on one side is opened and the lid 46A on the other side is closed, whereby the water flow W is generated and the suspended matter 1 can be collected.

Since the pair of left and right propulsion jet pumps 15 are also used as the water jet pumps in this manner, it is not necessary to separately provide the water jet pumps 16.
It can be manufactured at low cost. The operation of each of the other devices is the same as that in the first embodiment, and thus the description thereof is omitted.

[0028]

As is apparent from the above description, according to the present invention, a guide device for taking in suspended matter between the fuselage is supported by the bow of each fuselage so as to be rotatable around the longitudinal member. Since there is a door plate, a switching device is provided to switch between a non-guide position in which the tip ends of the guide door plates come into contact with each other and are sharp in the bow direction, and a floating object guide position in which the tip parts of the guide door plates are separated from each other. , By keeping both guide door plates in the non-guide position while traveling, the catamaran type hull can be driven with a small resistance, and the bottom part between the guide door plates can be moved with the guide door plate in the non-guide position. It is possible to improve the propulsion performance during sailing by smoothly guiding the propulsion by the covering bow bottom.

When the vehicle arrives at the desired location, the switching device is driven to bring the guide door plate into the floating object guiding posture,
Since the floating matter can be guided between the bodies and the water jet pump used as the propulsion device is also used as the water flow generating device for guiding the floating matter between the bodies, the whole can be manufactured at low cost.

[Brief description of 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 a side view of the overall configuration of a catamaran type cleaning boat showing a second embodiment of the present invention.

FIG. 4 is a plan view of the same overall configuration.

FIG. 5 is likewise an overall bottom view.

[Explanation of symbols]

 1 Float 3 Catamaran hull 4A Body bottom plate 5 Intake device 8 Guide door plate 9 Bow bottom plate 12 Hydraulic cylinder device 15 Propulsion jet pump 16 Water jet pump 26A Net cage 26B Net cage 26C Net cage 27 Conveyor 40 Left and right rails 41 Front and rear rails A1 Non-guide attitude A2 Floating matter guide attitude W Water flow

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yuki Nakagawa 5-3-8 Nishikujo, Konohana-ku, Osaka City, Osaka Prefecture Hitachi Shipbuilding Co., Ltd. (72) Takae Yamamori 5-9, Nishikujo, Konohana-ku, Osaka No. 28 in Hitachi Shipbuilding Co., Ltd.

Claims (4)

[Claims] 1. A propulsion device for propelling a catamaran type hull, an intake device for taking a suspended matter between the fuselage of a catamaran type hull, and a floating device taken between the fuselage for a predetermined amount of the hull. A catamaran type cleaning boat having a collecting device for collecting at a place, wherein the taking-in device is a guide door in which a base end portion is rotatably supported by a bow portion of each body via a vertical axis member. Has a plate,
Each of these guide door plates can be switched between a non-guide position in which the tips of the guide plates come into contact with each other and are sharp in the bow direction, and a floating object guide position in which the tips of the guide door plates are separated from each other. A catamaran type cleaning boat, characterized in that a switching device for rotating around a vertical axis member to switch between a non-guided posture and a floating substance guide posture is provided. 2. The catamaran type cleaning ship according to claim 1, wherein a bow bottom bottom plate is provided at the bow portion to cover the bottom portion between the guide door plates in the non-guide position of the guide door plates. 3. The catamaran type cleaning boat according to claim 1 or 2, wherein a water jet pump is used as the propulsion device. 4. The catamaran type cleaning boat according to claim 3, wherein the water jet pump is also used as a water flow generator for guiding suspended matter between the bodies.