JP3409116B2 - Trawl float traction device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for pulling a float of a trawl net, which is used when lifting the trawl net. 2. Description of the Related Art In a purse seine fishing method, nets cast for catching are suspended by a net holer which is a lifting net device provided near a stern of a purse seine vessel, a derrick boom or a marine crane. By net separating rollers etc., it is sequentially wound up on the deck from the stern part, folded on the net stand provided on the rear deck by the hand of the operator one by one, and sorted and sorted into the float part and the sediment part, They are stacked one by one and preparations are made for the next casting net. [0003] However, the net separation and the folding operation of the float and the submerged portion by the manual operation of the worker are performed by narrowing the net with a roller in order to obtain a traction force for lifting the net from the sea. This is a very rigorous and labor-intensive job, in which the nets are spread manually and folded carefully. [0004] Further, since the lifting direction is on one side of the stern, the balance of the hull is liable to be lost. Therefore, the scaffold of the worker becomes more unstable as the net is pulled up and loaded, and the work is further performed. Considering the difficulty. [0005] Among the difficult tasks as described above, the part where the float at the upper end of the trawl net is attached has a considerably large size compared to the terminal rope at the upper end of the net, and is formed by being tied to the rope. Because it is heavy,
In addition, it is lumpy and hard to fold. [0006] Furthermore, since nets are fed out one after another from the net-separating rollers suspended at a high position, care must be taken to prevent the nets from being crushed by the underlay. [0007] Also, due to the weight and height, the ship often swings due to the swinging of the ship or the wind, and at that time, it is a very dangerous work, such as being dragged or flicked. . For the purpose of saving labor and improving the safety of the net separating operation as described above, for example, Japanese Patent No.
Although an automatic net separating apparatus for a trawl fishing boat has been invented, such as No. 086612, the above-mentioned operation of separating the float portion is still performed by several workers. The present invention has the following configuration in order to solve the above-mentioned problems. [0010] A trolley, which is movably mounted on rails provided on the hull side of the hull, is provided with a movable platform which is movable in the front-rear direction with respect to the hull direction. A swing base slidably provided in the horizontal direction of the hull is mounted on the movable base, and a main arm provided movably up and down is mounted on the swing base to form a base. An inner core roller having a guide roller rotatably provided at the tip thereof is rotatably mounted inside an outer cylinder roller provided rotatably by rotation of a hydraulic motor and provided with a traction pad in front and back, Form an induction roller. A disk roller rotatable by a hydraulic motor and having a rubber-like elastic body on the outer periphery is disposed in a direction perpendicular to the rotation axis of the guide roller, and the guide roller and the outer peripheral portion of the disk roller are provided so as to be in contact with each other. Each of the guide rollers is independently rotatable, and the disc roller is formed so as to be rotatable simultaneously with a guide roller pressed from the axis of the guide roller. The above-mentioned disk roller and guide roller are mounted so that they can be pressed and released freely. The guide roller and the disk roller are mounted on a fixed arm provided with a guide pipe or the like for preventing entanglement of the net, and are provided so as to be releasably pressed to form a traction portion. The above-mentioned traction portion is fixed to a main arm of a base formed to be movable in the left-right direction with respect to the hull to form a float traction device. FIG. 1 is a front view of the present invention, FIG. 2 is a side view, FIG. 3 is a plan view of a floating traction portion, and FIG. 4 is a hollow roller portion. Sectional view of FIG. 5
FIG. A hydraulic motor 2 attached to the rear end 1 is provided so as to be rotatable, traction pads 3 and 4 are attached to the rear and front ends, and the traction pads 3 and 4 are connected by a cylinder 5 to form a hollow roller 6. Form. The cylinder 5 has four round bars 7,
7 'are fixed to each other evenly by providing two cylinders 7' each at the surface of the cylinder 5 and at a height of several centimeters, and the interval between the round bars 7 is slightly larger than the size of the float 9 of the net 8. It is provided. A rotary shaft 10 is provided at the center of the hollow roller 6 so as to be rotatable independently of the rotation of the hollow roller 6.
And two guide rollers 11 that are rotatably provided independently of each other at the ends thereof are attached in a direction perpendicular to the rotation axis of the hollow roller 6. The hollow roller 6, the rotating shaft 10 and the guide roller 11 are provided so as to be in smooth contact with each other so as to be smoothly rotatable, and form an induction roller 12. A disk roller 15 rotatable by a hydraulic motor 13 and having a rubber-like elastic body 14 on its outer periphery is provided so as to be capable of adjusting the elevation angle, and is arranged in a direction perpendicular to the rotation shaft 10 of the guide roller 11 to guide The outer peripheral portions of the roller 11 and the disk roller 15 are provided so as to be able to contact and separate. The guide roller 12 is independently rotatable independently of the rotation of the hollow roller 6, and the disc roller 15 is formed so as to be rotatable simultaneously with the guide roller 11 pressed from the axis of the guide roller 12. . Hollow roller 6 and disk roller 15
Are connected by a main arm 16 and each is provided so as to be adjustable in angle by expansion and contraction of a hydraulic cylinder 17. The guide roller 12 and the disc roller 15 are provided so as to be freely released from the contact to form a floating traction portion 18. A traverse shaft 24 provided rotatably by a hydraulic motor 23 on a trolley device 22 movably mounted on a rail 20 provided on the side of the hull 19 by operating a winch 21 with respect to the hull direction. A movable table 25 formed endlessly and movably is mounted on the moving table 25. On the moving table 25, a hydraulic motor 26
A base 29 is formed by attaching a swing table 28 slidably provided endlessly in the left-right direction with respect to the hull direction by means of a traverser shaft 27 rotatably provided. The float traction unit 18 is fixed to the base 29 to form a float traction device 30. FIG. 5 is an explanatory view of the arrangement of the present invention, showing the positional relationship of the lifting machines at the time of lifting. The float pulling device 30 according to the present invention is installed on the port side of the hull 19 in the bow direction of the net separating roller 31 and is used with the pulling device 30 facing the inside of the hull 19. A gap is provided between the guide roller 11 and the disk roller 15 on the float 9 side of the net 8 to be lifted, and the net 8 is inserted between the guide rollers 11 and the disc rollers 15 to rotate the respective rollers 11, 15 and the hydraulic motors 23, 26. To perform automatic movement and towing. In the lifting operation, a force to pull the net 8 back toward the net separating roller 31 is exerted by its own weight.
Since it is sandwiched between the guide roller 11 and the disc roller 15, the traction force is not significantly affected. Further, in the conventional float pulling device, not only the float 9 but also the portion of the net 8 has been wound together, so that it has to be loosened each time. Since the float can be pulled by the hollow roller 6 while separating the net portion by the guide roller 11 and the disc roller 15, the float 9 can be pulled without involving the net 8. Each traverser shaft 24,
When the tow 27 is rotated and towed, the float 9 can be drawn and handled with a strong tractive force while drawing a relatively circle, so that the float 9 can be towed and arranged without the assistance of human power. Therefore, the use of the float traction device 30 of the present invention can reduce the danger of work, and the work can be performed without human power. Is also possible. The hydraulic circuit according to the present invention is not shown.

[Brief description of the drawings] Fig. 1 Front view [Fig. 2] Side view FIG. 3 is a plan view of the float pulling unit. FIG. 4 is a sectional view of a hollow roller portion. FIG. 5 is a layout explanatory view. [Explanation of symbols] 1 rear end 2 Hydraulic motor 3 Towing pad 4 Towing pad 5 cylinder 6 Hollow roller 7 round bar 7 'round bar 8 net 9 float 10 Rotary axis 11 Guide roller 12 Guide roller 13 Hydraulic motor 14 Rubbery elastic body 15 Disc Roller 16 Main arm 17 Hydraulic cylinder 18 Float traction unit 19 Hull 20 rails 21 winches 22 Trolley device 23 Hydraulic motor 24 traverser shaft 25 mobile platform 26 Hydraulic motor 27 Traverser axis 28 swing table 29 base 30 Float traction device 31 Netting roller

Claims (1)

(57) [Claims] [Claim 1] A trolley device movably mounted on a rail provided on the side of the hull is mounted on a trolley movably back and forth in the direction of the hull. A swing table is slidably attached to the left and right directions, a main arm is installed on the swing table so that it can be raised and lowered, and a base is formed. An inner roller having a rotatable guide roller is independently rotatably mounted to form an induction roller,
The guide roller and a disk roller rotatably provided by a hydraulic motor are each attached to a fixed arm having a guide pipe, and the guide roller and the disk roller are provided so as to be able to freely press and release at an angle to form a traction portion,
A floating net pulling device for a trawl net, wherein the pulling portion is fixed to the main arm of the base, and the pulling portion is configured to be movable back and forth and left and right.