JPH1033088A - Fish lift on boat deck - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the weight of the machine and energy consumption by miniaturizing the fish lift on boat deck in the long line fishing, further increase the operability to attain the increase in the fish lifting work efficiency and prevent the tiredness of the crews. SOLUTION: A swivel base 6 is fitted to a stand 5 fixed to the deck 3 and a standing and falling arm 10 is fitted through a standing and falling gear case 8 and a standing and falling motor to the swivel base 6. A main pole 16 is liftably arranged to the top edge of the arm 10 on the overboard side and a fish-carrying arm 21 is connected through a supporting lever 19 shortly formed on the main pole side 16 and an arm lever 20 to the other main pole 16. At the same time, a hydraulic cylinder 13 for displacing the fish-carrying arm 21 is set to lift up the fish on the deck.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shipboard lifting device for efficiently scooping fish such as tuna caught on a hook in a longline fishing method on a boat of a fishing boat.

[0002]

2. Description of the Related Art Generally, in the longline fishery of tuna and the like, a large number of branch lines each having a hook are attached to one trunk line from a hull lancing machine to feed bait, and the tuna hooked on the hook is used for fishing boats. After being drawn to the side of the ship, the arms of the shipboard lifting device are turned into a longline fishing boat.

[0003] The structure of the above-mentioned ship lifting apparatus will be briefly described. A fishing arm serving as catching means for scooping the fish attracted to the side of the hull, and a rotating means for rotating the fishing arm along the side of the ship. Vertical arm means for rotating the fish arm in a direction orthogonal to the side of the ship, and the fish arm is formed to have an upper opening.

The fish arm is fixed to the tip of the swing arm, and the fish arm is moved to a standby position, a capture start position, and a highest position as various horizontal swing motors, lift arm cylinders, and hydraulic pump units are driven. The operation is continued by repeatedly driving the fishing fish to scoop the fishing fish from the fishing port gate into the fishing boat and returning the fish arm to the standby position.

[0005]

However, in such a conventional shipboard lifting device, there is a problem that the drive system of the fish arm is increased in size, the weight is increased, and the price of the device is also expensive. is there.

That is, as described above, the fishing fish is scooped into the fishing boat by largely rotating the fish arm fixed to the tip of the swing arm with the driving of the horizontal swing motor and the lift arm cylinder. Since the rotation of the arm causes a heavy burden on the drive hydraulic pump unit and the like, and a large capacity is required also for these drive sources, it is inevitable that the device itself becomes larger and the weight and energy consumption increase.

[0007] The present invention solves the problems of the conventional shipboard lifting device, reduces the weight and energy consumption by reducing the size of the device, and furthermore, makes the operation easier and reduces the occupant fatigue. It is an object of the present invention to provide a shipboard hoisting device that can prevent and increase the efficiency of hoisting work.

[0008]

In order to achieve the above object, according to the present invention, a swivel is provided on a mount fixed to a deck, and the swivel is provided with a gear case for raising and lowering. An arm for raising and lowering is attached via a motor for use, and a main column is disposed at the tip of the outer side of the arm for raising and lowering so as to be able to move up and down, and a supporting rod and an arm rod formed short on one of the main columns. The basic structure of the apparatus is a fish on board lifting device that has a hydraulic cylinder for displacing a fish arm on the other side of the main pillar and displacing the fish arm by displacing the fish arm on the boat.

According to the second aspect, the fish arm displacement hydraulic cylinder is supported on the main column via the guide plate and the guide roller.
A drum for raising and lowering the fish arm and a hydraulic motor for the drum are provided near the main column guide on the upper surface of the raising and lowering arm, and the piston rod of the hydraulic cylinder for displacing the fish arm is connected to the main column via a curved link and a direct link. The upper wire rope stop is fixed to the upper end of the mounting stand to which the hydraulic cylinder for fish arm displacement is fixed, and the lower wire rope stop is further fixed to the swivel side below the main column. And the lower wire rope are wound in the opposite direction with respect to the drum for raising and lowering the fish arm, so that the main column can be raised and lowered.

According to such a fish lifting device, the main pillar descends to an optimum height with the movement of the loading arm lifting drum and the upper and lower wire ropes, and is loaded by driving the loading arm displacement hydraulic cylinder. With the open side of the fish arm facing the sea surface horizontally, set it from the standby state to the optimum sea level, and then place the fish with the open side of the fish arm upward and finish the fish with the open side facing upward The fish is lifted into the ship by driving the fish arm lifting drum to drive the fish arm to the port for lifting fish.After the lifting operation is completed, the fish arm lifting drum and hydraulic pressure The cylinder is driven to return the fish arm to the standby state.
After the work is completed, the fish arm is raised to the highest position, the hydraulic motor for raising and lowering is driven, and the main pillar is lowered to the stern side by the turning worm and worm gear built in the gear case for raising and lowering,
The main pillar is in a retracted state in contact with the deck.

According to this embodiment, the supporting rod and the arm rod connecting the main pole and the fish arm are shortened so that they can be effectively operated, so that the fish loading operation is facilitated and the fish such as tuna can be shortened in a short time. The fish can be reliably loaded, and the fish-bearing arm can be immediately raised to be pulled up on the boat, so that the fish can be efficiently stored in the boat in a short time.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a fish on board lifting device according to the present invention. FIG. 1 is a front view of a shipboard lifting device to which the present embodiment is applied, as viewed from a bow side, FIG. 2 is a side view, as viewed from a ship side, and FIG. 3 is a plan view of the same. Is a port gate for fish, 3 is a deck, and 3a is a bulwark. A gantry 5 is fixed on a mount 4 provided on the deck 3, and a swivel 6 is mounted on the gantry 5. Reference numeral 7 denotes a turning handle.

Reference numeral 8 denotes an elevating gear case mounted on the swivel base 6, and 9 denotes an elevating hydraulic motor. Reference numeral 10 denotes an arm for raising and lowering, and guide plates 11 and 11 and guide rollers 12 and 1 are provided on the outer end of the arm for raising and lowering 10.
2, a hydraulic cylinder 13 for displacing the fish arm is supported, and the piston rod 13a of the hydraulic cylinder 13 for displacing the fish arm is formed by bending links 14, 14 and straight links 15, 14.
It is connected to the main pillar 16 via 15. Further, a drum 17 for raising and lowering the fish arm and a hydraulic motor 18 for the drum are provided near the tip of the raising / lowering arm 10 on the outer side of the boat.

The main column 16 is provided with a short support rod 1.
It is connected to a fish arm 21 as a catching means via an arm 9 and an arm rod 20. The main pillar 16 is provided with the guide rollers 12, 1
It can be moved up and down freely by a main column guide portion composed of the guide plate 11 and the guide plate 11, and has a function of displacing the fish arm 21 described above and pulling up the fish on the boat. The fish arm displacement hydraulic cylinder 13 is fixed to a hydraulic cylinder mount 22, and an upper wire rope stopper 23 is fixed to the upper end of the hydraulic cylinder mount 22.

Further, a lower wire rope stopper 24 is fixed to the lower part of the main column 16 on the side of the swivel base 6, and is attached to the fish arm lifting / lowering drum 17 provided near the main column guide on the upper surface of the raising / lowering arm 10. The upper wire rope 25 and the lower wire rope 26 are wound in opposite directions, and the hydraulic motor 18 for drum is used.
Thus, the main column 16 is moved up and down.

The hydraulic cylinder 13 for displacing the fish arm and the lower part of the main column 16 are connected by a curved link 14, and the hydraulic cylinder 13 for displacing the fish arm and the support rod 19 are connected by a straight link 15.
Are connected by

The operation of this embodiment having the above configuration is shown in FIG.
This will be described with reference to FIG. First, the drum hydraulic motor 18 is started, and the main arm 16 is lowered to an optimal height by rotating the drum 17 for raising and lowering the fish arm with the movement of the upper wire rope 25 and the lower wire rope 26,
Piston rod 13a of hydraulic cylinder 13 for fish arm displacement
Is extended so that the fish arm 21 faces the stern side, and the opening surface is horizontally opposed to the sea surface, and is separated from the position shown in FIG. S indicates the sea surface.

Next, the caught fish such as tuna are drawn to the bottom of the sea near the side 1 of the fishing boat, and the hydraulic cylinder 13
The piston rod 13a is shortened, and the fish-carrying arm 21 is set vertically to the optimum sea level depth as shown in FIG.

Then, the piston rod 13a of the hydraulic cylinder 13 for displacing the fish arm is shortened, the fish is placed with the opening surface of the fish arm 21 facing upward, and the fish arm 21 is separated from the sea surface as shown in FIG. As shown in (c), the fish-carrying state in which the opening surface faces upward is set.

Next, the loading arm raising / lowering drum 17 is driven to raise the loading arm 21 to a position facing the port 2 for lifting fish, and the fish is set to the lifting state shown in FIG. With this, the fish is lifted inside the ship, and the fish are lifted on board.

After the fish lifting operation on the boat is completed, the drum 17 for raising and lowering the fish arm and the hydraulic cylinder 13 for displacing the fish arm are driven to return to the standby state shown in FIG. By repeating this operation, the fish can be sequentially lifted on board.

When the above lifting operation is completed, the lifting fish arm 21 in the raised state shown in FIG. 4D is brought into the highest state shown in FIG. The gear case 8 for lowering by driving the hydraulic motor 9 for lowering shown
The main column 16 is tilted down to the stern side by a turning worm and a worm gear built therein, and the fish arm 21 is turned by rotating the turning handle 7 to bring the main column 16 into contact with the deck 3.

Unlike the conventional apparatus, the onboard lifting apparatus according to the present embodiment is characterized in that the support rod 19 and the arm rod 20 of the fish arm 21 are greatly shortened. The lifting operation is simplified, the work of loading fish is facilitated, and the efficiency of fish lifting operations can be improved, and the fatigue of workers can be reduced.

[0024]

As described above, according to the shipboard lifting apparatus of the present invention, the main pillar provided at the tip of the lifting arm on the outer side of the boat with the gearcase for raising and lowering on the swivel base is optimally mounted. After descending to the height, the fish arm is set from the standby state to the optimum sea level by driving the fish arm displacement hydraulic cylinder, and the fish is placed with the opening face of the fish arm facing upward. Do the fish,
After lifting the fish into the boat, the fish arm is returned to the standby state by driving the fish arm lifting drum and the hydraulic cylinder for displacing the fish arm, and after the work is completed, the fish arm is raised to the highest position. By the action of the gear case for raising and lowering, the main column can be lowered to the stern side, and can be brought into the retracted state in contact with the deck.

In particular, by greatly shortening the supporting rod and the arm rod of the fish arm, the displacement / elevation process of the fish arm is minimized, and the size of the apparatus itself is reduced, and the weight is reduced. Since the load on the hydraulic cylinder for fish arm displacement or the drum for raising and lowering the fish arm is reduced, the capacity of the drive source can be small, and the energy consumption can be reduced.

Further, since the operation of the apparatus is simple, the fish loading operation is facilitated, and there is a great effect that the efficiency of the fish unloading operation is improved and the fatigue of the worker is prevented.

[Brief description of the drawings]

FIG. 1 is a front view of a fish onboard lifting device according to an embodiment of the present invention as viewed from a bow side.

FIG. 2 is a side view of a state in which the apparatus of the present embodiment is mounted, as viewed from a side of a ship.

FIG. 3 is a plan view showing a state where the device of the present embodiment is mounted.

FIG. 4 is a displacement state diagram of a fish arm of the present embodiment.

FIG. 5 is a main pillar state diagram when the fish arms are stored.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Sideboard side 2 ... Port for lifting fish 3 ... Deck 4 ... Mounting stand 5 ... Stand 6 ... Revolving table 7 ... Revolving handle 8 ... Reversing gear case 9 ... Reversing hydraulic motor 10 ... Reversing arm 11 ... Guide Plate 12 ... Guide roller 13 ... Hydraulic cylinder for displacement of fish arm 14 ... Curved link 15 ... Straight link 16 ... Main pillar 17 ... Drum for lifting fish arm 18 ... Hydraulic motor for drum 19 ... Support rod 20 ... Arm rod 21 ... Fish arm 22 ... Hydraulic cylinder mount 23 ... Upper wire rope stopper 24 ... Lower wire rope stopper 25 ... Upper wire rope 26 ... Lower wire rope

Claims (2)

[Claims] A swivel is provided on a gantry fixed to a deck, and a swing arm is mounted on the swivel with a gear case and a swing motor interposed therebetween. A main pillar is arranged at the outer tip so as to be able to move up and down, and a fish arm is connected to one of the main pillars via a short supporting rod and an arm rod, and the fish arm is displaced to the other of the main pillars. An on-board fish lifting device comprising a hydraulic cylinder for displacing a fish arm for lifting the fish on the boat. 2. The fish arm displacement hydraulic cylinder is supported on a main column through a guide plate and a guide roller, and a fish arm lifting / lowering drum and a drum are provided near a main column guide on the upper surface of the raising / lowering arm. And a piston rod of the hydraulic cylinder for fish arm displacement described above is connected to the main column via a curved link and a straight link, and is mounted on the upper end of the mounting base to which the hydraulic cylinder for fish arm displacement is fixed. Secure the upper wire rope stopper, and further secure the lower wire rope stopper on the swivel side of the lower part of the main pillar,
2. The fishing boat lifting device according to claim 1, wherein the upper pillar and the lower wire rope are wound in opposite directions with respect to the drum for raising and lowering the fish arm so that the main pillar can be raised and lowered.