JPS6314930B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION This invention consists of a guide device, a net hoisting device, and a handle device disposed on the bow side of the ship, and a towing device disposed on the stern side. This device relates to a fishing net hauling and transporting device that hauls up fishing nets and tows and transports them to a net storage area on the stern side of a ship, and was developed primarily for use with special types of gillnets.

Currently, there are three types of gillnet fishing: floating gillnets, in which the net is set near the sea surface, bottom gillnet, in which the net is set near the seabed, and medium gillnet, in which the net is set in the middle of the two. Of these, fishing nets for bottom gillnets include:
There is one constructed as shown in Figure 7. That is, FIG. 7 is a side view showing a part of a fishing net for bottom gillnet.This fishing net 1 is constructed by forming a body net 4 between a float side tie 2 and a sinker side tie 3 of a predetermined length. One ends of connecting ropes 5 and 6 of appropriate length are tied at a predetermined interval to the ties 2 and 3, and the free end of the connecting rope 5 on the float side tie 2 side has a donut shape larger than the mesh of the body net 4. A float 7 formed in the shape of a donut, and a sinker 8 formed in a donut shape larger than the mesh of the fishing net 4 are attached to the free end of the connecting rope 6 on the side of the fishing net 1. The fishing net 1 constructed as described above can prevent the floats 7 and sinkers 8 from becoming entangled in the mesh, and can also keep the net stable in the sea. It has the feature that it can be set by

In gillnet fishing, the fishing net 1 is pulled up onto the ship from the bow side of the ship one by one, and the fish caught in the fishing net 1 are removed from the net on the bow side deck. Generally, a method is adopted in which the nets are transferred to a net storage area (net storage area) on the stern side of the ship and deposited in preparation for the next net casting.

By the way, there have conventionally been various types of net lifting devices and transfer devices, such as winding drum type devices, but there is no device that can mechanically carry out the lifting and transfer operations of a specially constructed fishing net as described above. has not yet been developed and, with the exception of some tasks, currently relies solely on manual labor. Therefore, the above-mentioned work required a large number of workers, was quite hard work, and had poor working efficiency.

The present invention focuses on the above-mentioned points, and even if the fishing net has a special structure as described above, it is possible to mechanically and continuously carry out the lifting and transport of the net, and thereby achieve the above-mentioned points. The purpose is to provide a device that can contribute to labor saving in work.

Hereinafter, the present invention will be explained in detail based on illustrated embodiments. The present invention consists of a guide device 9, a net lifting device 10, a handle device 11, and towing devices 12, 12. As shown in the first figure, the guiding device 9 is attached to the side of the bow of a boat 14, and the net lifting device Reference numeral 10 designates a handle device 1 on the bow deck 15 on the rear side of the guide device 9.
1 is located on the bow deck 15 and located on the stern side of the net lifting device 10, and the towing device 12, 1
2 is installed in a net storage area (net storage area) 16 on the stern side, and these devices 9, 10, 11, 12 and 12
This forms a haul-up and transfer line for the fishing net 1.

The guide device 9 includes a horizontal guide roll 18 that is horizontally supported by a pair of bearings 17 so as to be rotatable, and a guide roll 1 located in front of the guide roll 18.
As shown in the second figure, this guide device 9 is equipped with a pair of regulation rolls 19 that are positioned at both ends of the ship 8 and rotatably erected.
It is fixedly disposed on the bulwark 21 of No. 4. This guide device 9 guides the fishing net 1 from the sea side to the ship.The width of the fishing net 1 towed from the sea is limited by both regulating rolls 19, and the fishing net 1 is placed on the guide roll 18 and towed. The rolls 18 and 19 rotate (idle) due to contact friction with the roller 1. A reinforcing arm 20 connects the upper end of the regulating roll 19 to the bearing 17 and reinforces and supports this portion.

The net lifting device 10 has a pair of horizontal annular engagement grooves 2.
A groove wheel 22 in which the groove wheels 3 and 24 are arranged vertically with the chevron portion 25 in between, and a vertical rotating shaft 2 on which the groove wheel 22 is fixedly attached.
6 and a prime mover 27 such as a hydraulic motor or an electric motor that rotates the shaft 26, and the groove wheel 22 is rotatably supported on a support base 28 fixedly installed on the stern deck 15 via a bearing or the like. 27 is configured to rotate the groove wheel 22 in the horizontal direction. Then, the float side ties 2 of the fishing net 1 guided by the guide device 9 are placed in the engagement grooves on one side of the groove wheel 22, for example, the engagement grooves 23 on the upper side, and the sinker side ties 3 are placed in the engagement grooves on the lower side. They are engaged separately in the matching grooves 24, and the net is lifted with the floats 7 and sinkers 8 suspended. Further, a cylindrical winding drum 29 is integrally formed on the upper part of the groove wheel 22 of the net lifting device 10 of the embodiment, and the drum 29 is used for winding and pulling ropes other than those mentioned above. belongs to.

The pull handle device 11 includes two elastic rollers 30, 30 made of rubber or the like formed into a spherical shape or a similar shape;
It is provided with a pair of rotating shafts 31, 31 to which both elastic rollers 30, 30 are fixedly attached, respectively. As means for imparting elasticity to the rollers 30, 30, this can be done by making the insides of the rollers 30, 30 hollow, pressurizing air into the hollow interior, or filling the hollow interior with sponge or the like.
The insides of the rollers 0 and 30 are hollow, and an air supply valve 32 is provided at an appropriate portion so that air can be forced into the roller 30 through the valve 32. Both rotating shafts 31, 31 have both rollers 30, 3
The base is rotatably attached to the gearbox 33 via a bearing or the like, with the contact surfaces of the two rotating shafts 31, 31 in contact with each other. A worm 35 is interposed between the worm wheels 34 , 34 in mesh with each other, and a prime mover 36 such as a hydraulic motor is connected to the worm 35 . , 31, both elastic rollers 30, 30 are configured to rotate in opposite directions, and the fishing net 1 is rotated through both rollers 30, 31.
It is held between 30 rollers and pulled by the rotation of both rollers to carry out the pulling operation. In this case, as a mechanism for rotating both rollers 30, 30 in opposite directions, a prime mover is attached to each of both rotating shafts 31, 31 directly, instead of using a worm gear mechanism as in the illustrated embodiment. It may also be configured to rotate in the opposite direction. In addition, in the embodiment, a configuration in which the two rotating shafts 31, 31 are arranged parallel to each other is illustrated, but this is different from the example in which the two rotating shafts 31, 31 are gradually widened at the distal end, as in the traction device 12, which will be described later. Alternatively, they may be arranged oppositely at an angle so that the width becomes gradually narrower on the distal end side (see FIG. 6). Thus, the pull handle device 11 configured as described above has angle adjustment mechanisms 38, 39,
It is attached via 40. Of the angle adjustment mechanisms 38, 39, and 40, the angle adjustment mechanism 38 is rotatable in the left-right direction in FIG.
The angle adjustment mechanism 39 also includes both rollers 30 and 3.
The angle adjustment mechanism 40 is rotatable in the vertical direction using the pivot portion 39a as a fulcrum, and the angle adjustment mechanism 40
0, 30 are configured to be able to freely rotate in the horizontal direction, and as a result, both rollers 30, 30 can be freely adjusted in the angle of attack with respect to the fishing net, and the angle adjustment mechanisms 38, 39, 40 are Actuation may be manual or mechanical. In addition,
It is preferable that the pull handle device 11 is provided with a guide lever similar to the traction device 12 described later.

Next, the traction devices 12, 12 have the same structure, and each of the traction devices 12, 12 has two elastic rollers 4 made of rubber or the like formed into a spherical shape or a similar shape.
1 and 41 and a pair of rotating shafts 42 and 42 to which both rollers 41 and 41 are fixedly mounted, respectively. The means for imparting elasticity to both rollers 41, 41 can be carried out in the same manner as in the case of the above-mentioned pull handle device 11. In this embodiment, as shown in detail in FIG. 4, the insides of rollers 41, 41 are made hollow. At the same time, an air supply valve 43 is provided at an appropriate portion, and air is forced into the roller 41 through the valve 43 to impart a desired pressure of elasticity. Both rotating shafts 42, 42 are connected to both rollers 4.
1 and 41 are in contact with each other, and the width between both shafts 42 and 42 becomes gradually wider toward the distal end side. , both rotating shafts 42, 42
Worm wheels 45, 45 are fixedly mounted in the gearbox 44, and a worm 46 is meshed and interposed between the worm wheels 45, 45, and a prime mover 47 such as a hydraulic motor is connected to the worm 4.
The fishing net 1
is configured to be held between both rollers 41, 41 and towed and transported. Both elastic rollers 4
A guide presser rod 48 formed in an elliptical shape is attached to approximately the center of each roller 1, 41 by mounting rods 49, 49 so as to surround both rollers 41, 41. The guide rod 48 is used to hold down the fishing net 1 being towed and to prevent the net 1 from digging into the gear box 44 side more than necessary.
movable in the axial direction of the rotating shaft 42,
The configuration may be such that the positional relationship between the presser rod 48 and the rollers 41, 41 can be adjusted. The gearbox 44 of the traction devices 12, 12 is attached to the trolley 53 via angle adjustment mechanisms 50, 51, 52. And the angle adjustment mechanism 5
0 is capable of pivoting both rollers 41, 41 in the left-right direction in FIGS.
1 and 41 are configured to be able to freely pivot in the vertical direction using the pivot portion 51a as a fulcrum, and the angle adjustment mechanism 52 is configured to allow both rollers 41 and 41 to be freely pivoted in the horizontal direction. The elastic rollers 41, 41 can freely adjust their angles with respect to the fishing net 1, and these angle adjustment mechanisms 5
0, 51, and 52 are operated manually or mechanically.

Both traction devices 1 configured as described above are
2 and 12 are movably attached by trolleys 53 to rails 54 and 54 installed at appropriate heights on both sides of the net storage area 16 on the stern side of the ship 14 in the longitudinal direction of the ship 14. The device 12 connects one side of the fishing net 1, for example, the float side tie 2.
In addition, the fishing net 1 is configured so that the other tether 12, for example, the sinker tether 3, is towed by the other traction device 12. In this case,
Either one of the two pulling devices 12, 12 may be omitted, and the net on the omitted side may be pulled by a worker. Furthermore, if the rotating shafts 42, 42 of the rollers 41, 41 of the traction device 12 are arranged oppositely so that the width between the two shafts becomes gradually wider toward the tip side as in the above embodiment, the fishing net 1 is Only the part coming from the front direction toward 12 is both rollers 4.
The part coming from the diagonal direction is not held by both rollers 41, 41 and falls downward along the spherical surface of the front roller. Therefore, the fishing net 1 is not pulled together by both traction devices 12, 12, but is partially towed within one range, so that the fishing net 4 part is not pulled to one side. There is no longer any risk of it being cut off.

Furthermore, if both the traction devices 12, 12 are mounted movably along the rails 54, 54 as in the embodiment, the falling position of the fishing net to be pulled can be changed, and the movement operation of the trolleys 53, 53 can be changed. It can be done manually or mechanically. In this case, the two traction devices 12, 12 may not be attached to the rail as in the embodiment, but may be fixedly attached to an attachment arm, for example, like the pull handle device 11.

FIG. 6 shows another embodiment of the traction device 12. In this embodiment, two spherical elastic rollers 141, 141 have rotating shafts 142, 14.
2 are rotatably installed opposite to the bearing member 144 so that the width between both shafts becomes gradually narrower toward the tip, and both rotating shafts 142, 142 are connected to separate prime movers 14.
7 and 147 so as to rotate in opposite directions.

In this way, both rollers 41, 41 (141,
141) rotating shaft 42, 42 (142, 142)
may be provided facing each other at an angle, or may be provided parallel to each other without being provided with an angle, as in the above-mentioned pull handle device 11.

In addition, in FIG. 1, 55 is a transmission network duct arranged between the bow and stern sides of the ship 14, 56 is a bridge, and 5
Reference numeral 7 indicates a fishing tank, in which the fishing net 1 is transferred from the bow side to the stern side through a net feeding duct 55.

The device of the present invention is configured as described above, and each device 1
0, 11, and 12, and pass through the guide device 9 to connect the float side link 2 of the fishing net 1 to the engagement groove 23 on one side of the groove wheel 22 of the net lifting device 10, and also to connect the sinker side link 3 After engaging with the engagement grooves 24 on the other side and winding around the groove wheel 22, when the fishing net 1 is inserted between both elastic rollers 30, 30 of the handle device 11, the fishing net 1 is guided by the guide device 9. is pulled by the groove wheel 22 of the net lifting device 10 and the rollers 30, 30 of the fishing net 11, and the floats 7 and sinkers 8 attached to the fishing net 1 are suspended from the connecting ropes 5, 6 one after another. It is lifted onto deck 15. After passing the fishing net 1 pulled up onto the bow deck 15 through the net feeding duct 55, the float side tie 2 of the fishing net is placed between both rollers 41, 41 of one of the traction devices 12, and also on the sink side. When the ropes 3 are inserted between both rollers of the other traction device 12, the fishing net 1 is moved between both traction devices 1.
Net storage area 16 on the stern side with the nets spread out to 2 and 12.
The nets are transferred to the net storage area 16 and are successively suspended over the net storage area 16. Therefore, this hanging fishing net 1 is appropriately folded and piled up. When the fishing nets 1 are piled up to a certain height, both traction devices 12, 12 are moved to the rail 5.
4 in a desired direction, stopped at that position, and pulled the fishing net 1 in the same manner as described above. This changes the hanging position of the fishing net 1 from the traction devices 12, 12, so that the fishing net 1 can be transported and deposited on the net storage place 16 in an orderly manner. The fish caught in the fishing net 1 are removed from the fishing net 1 between the fishing net 11 and the net feeding duct 55 and stored in the fishing tank 57.

As described above, according to the present invention, the series of operations of lifting fishing nets from the sea onto the deck and transporting the hauled fishing nets to the net storage area can be carried out smoothly and continuously mechanically, even with specially structured fishing nets. It is possible,
Therefore, it is possible to increase operational efficiency and contribute to labor saving.

[Brief explanation of the drawing]

Fig. 1 is an explanatory schematic plan view of a fishing boat equipped with the device of the present invention, Fig. 2 is a side view showing the device on the bow side of the device of the present invention, with a part thereof shown as a cross section, and Fig. 3 is a schematic plan view of a fishing boat equipped with the device of the present invention. FIG. 4 is a front view showing the device on the stern side of the device of the present invention, with a part of it shown as a cross section; FIG. FIG. 5 is a plan view of the guide rod and a partial cross-section, FIG. 6 is a front view showing another embodiment of the traction device, and FIG. It is a side view of a part which shows an example of the fishing net to be transferred. 1... Fishing net, 2... Float side tie, 3... Sinking side tie, 5, 6... Connecting rope, 7... Float, 8...
...Shellfish, 9...Guide device, 10...Net lifting device, 1
1... Handle handle device, 12... Traction device, 14...
...Ship, 15...Forward deck, 16...Net storage area, 1
7... Bearing, 18... Horizontal roll, 19... Regulating roll, 22... Groove wheel, 23, 24... Annular engagement groove, 26... Vertical rotating shaft, 27... Prime mover, 28
... Support stand, 30 ... Elastic roller, 31 ... Rotating shaft, 32 ... Air supply valve, 33 ... Gear box, 34 ... Worm wheel, 35 ... Worm, 36 ... Prime mover, 37 ... Mounting arm ,
38, 39, 40... Angle adjustment mechanism, 41, 14
1... Elastic roller, 42,142... Rotating shaft,
43... Air supply valve, 44... Gear box, 45... Worm wheel, 46... Worm, 47, 147... Prime mover, 48... Guide presser rod, 50, 51, 52... Angle adjustment mechanism, 53...
... Trolley, 54 ... Rail, 55 ... Transmission duct, 144 ... Bearing member.

Claims (1)

[Scope of Claims] 1. A fishing net hauling and transferring device for pulling up fishing nets onto the ship from the bow side of the ship and transferring the pulled up fishing nets to a net storage area on the stern side of the ship, including: (a) disposed on the side of the bow of the ship; and a horizontal guide roll rotatably supported horizontally, and regulation rolls located in front of the horizontal guide roll at both ends of the horizontal guide roll and rotatably installed,
A guide device that guides fishing nets from the sea side onto the ship; and a motor for rotating the rotating shaft, the groove wheel is rotated in the horizontal direction, and the float-side tether of the fishing net guided by the guide device is inserted into the annular engagement groove on one side of the groove wheel. , and a net lifting device configured to hoist a fishing net by engaging the sinker side nozzle of the fishing net with the other annular engagement groove; It is equipped with two spherical elastic rollers arranged side by side, a pair of rotating shafts each equipped with both elastic rollers, and a motor for rotating the rotating shafts. (d) a fishing net on the stern side of the ship; It is arranged at a desired height position on the net storage area, and is equipped with two spherical elastic rollers, a pair of rotating shafts to which both elastic rollers are attached, and a prime mover for rotating the rotating shafts. A traction device in which the elastic rollers are arranged opposite each other so that their opposing surfaces are in contact with each other, and are configured to rotate both elastic rollers in opposite directions so as to grip and pull a fishing net between the two elastic rollers. A fishing net hauling and transporting device comprising: a fishing net hauling and transporting line formed by the guide device, net hauling device, handler and traction device. 2. Claim 1, wherein the towing device is disposed on one side of the net storage area on the stern side.
Fishing net retrieval and transfer device as described in Section 1. 3. Claim 1, wherein the towing device is disposed on both sides of the net storage area on the stern side.
Fishing net retrieval and transfer device as described in Section 1.