KR100991372B1 - trawl fishing gear - Google Patents

Abstract

The present invention can calculate the catch amount according to the moving distance of the ship by maintaining the shape of the net provided in the trawl uniform, while the light weight of the trawl can be caught in the middle layer of the sea, the movement of the vessel Invention for the trawl fishing can be caught on the surface of the sea without being affected by the vortex or foam of the seawater by the sea, consisting of a front frame, a rear frame and a side frame connecting the front frame and the lower frame of the rectangular parallelepiped shape A net frame constituting the frame structure, one end is connected to the rear of the ship, the other end is a chisel to be fastened to the front frame, a bag-shaped net to which the opening is fastened to the rear frame, and the bottom surface or the left that the net frame partitions Inclined plate and the net frame provided to be inclined with respect to the right side to adjust the direction of movement of the net It is configured to include this part, which is installed on top of the net frame to balance.

Trolley, Netframe, Cord, Net, Tilt, Bui

Description

Trawler {trawl fishing gear}

The present invention relates to a trawl gear, and more particularly, to maintain a constant shape of the net provided in the trawl gear to accurately calculate the catch amount according to the moving distance of the vessel, while reducing the weight of the trawl gear It is an invention for a trawl fishing that can be caught in the middle layer of the sea, and can be caught in the surface of the sea without being affected by the vortex or foam of the seawater caused by the movement of the vessel.

Trawl fishing is a method of catching a net with a rope in a horizontal direction and catching a fish that lives in the sea by attaching a trawl equipped with a bag net 40 at the rear of the ship 10. Say how.

At this time, the trawl is generally mounted to the rear of the vessel 10, as shown in Figure 1, the tail rope 30 and the hook (30) connecting the rear end of the vessel 10 and the net 40 ( 21 and the developing plate 21 installed between the drag string 30 and the furrow string 21 so that the opening portion of the net 40 opens to the left and right, and the opening portion of the net 40 opens upward and downward. It consists of buoys 22 and weights 23 respectively installed on the upper and lower portions of the net 40.

However, in the conventional trawl, the size of the opening of the net 40 is changed according to the speed of the vessel 10, the shape of the net 40 is changed to the moving distance of the vessel 10 There is a problem that can not accurately calculate the catch amount.

In addition, when using a conventional trawl gear, there is a problem that it is difficult to throw or pull up the trawl gear to the sea due to the weight of the deployment plate 20, buoy 22 and weight 23, solving the problem In order to reduce the weight of the deployment plate 20, the buoy 22 and the weight 23, there is a problem that it is difficult to catch in the middle layer of the sea because the trawl phrase does not sink to the middle layer of the sea.

In addition, in the case where the weight of the development plate 20, the buoys 22 and the weights 23 are to be lightly caught on the surface of the sea, the sea plate is formed by the vortex or foam of the sea water caused by the movement of the vessel. There is a problem that it is difficult to catch fish on the surface of the sea due to scattering of fish living on the surface or affecting the string 30.

The present invention has been made to overcome the problems of the prior art as described above, the technical problem is to provide a trawl gear that can accurately calculate the catch amount according to the moving distance of the ship by maintaining the shape of the net constant.

In addition, the present invention is to provide a trawl gear that can be selectively caught even in the middle layer or surface layer of the sea by adjusting the moving direction of the net as a technical problem. In particular, when catching in the middle layer of the sea, the trawl fishing can be caught while lightening the weight of the trawl and the traw that can be caught without being affected by the vortex or foam of the sea water caused by the movement of the vessel when catching on the surface of the sea Provision of phrases is a technical task.

According to an aspect of the present invention, there is provided a trawl mechanism including a front frame having a rectangular shape defining a front surface, a rear frame defining a rear surface facing the front surface, and the front frame and a lower frame. Consists of a side frame to connect, the net frame constituting the frame structure of the rectangular parallelepiped, one end is connected to the rear of the ship, the other end is a chisel that is fastened to the front frame, and the bag-shaped net is fastened to the rear frame and , One end is fastened to the front frame, the other end is fastened to the rear frame, provided to be inclined with respect to the bottom surface or the left and right side partitioned by the net frame, the action and reaction with sea water according to the movement of the vessel The inclined plate to adjust the moving direction of the net through the balance of the net frame when the ship is moving It characterized by comprising the same portion, installed on the upper portion of the net to the frame group.

In addition, the trawl gear according to the present invention is fastened to the net frame so as to support one surface of the inclined plate, so that the inclined plate can stably maintain the inclined state with respect to the bottom surface or the left and right sides divided by the net frame. It further comprises a supporting frame for supporting.

In addition, the trawl gear according to the present invention, characterized in that it further comprises an auxiliary frame provided on the upper, lower end surface or left and right side partitioned by the net frame, so that the frame structure of the net frame can be stably maintained. do.

According to the trawl phrase according to the present invention having the configuration as described above, by keeping the size of the opening of the net constant, it is possible to accurately calculate the catch amount according to the moving distance of the ship by maintaining the shape of the net constant There is an advantage.

On the other hand, according to the trawl phrase according to the present invention, by adjusting the position of the inclined plate to adjust the moving direction of the net, there is an advantage that the area to be caught from the middle layer or the surface layer of the sea can be selected.

In addition, according to the trawl phrase according to the present invention, since the inclined plate serves as a weight, there is an advantage that can significantly reduce the weight of the trawl phrase.

In addition, according to the trawl phrase according to the present invention, by reducing the weight of the trawl phrase so that it is easy to throw or lift it to the sea, while providing the inclined plate inclined to the lower surface partitioned by the net frame the net of the sea By being located in the middle layer, there is an advantage that can be caught in the middle layer of the sea while reducing the weight of the trawl.

In addition, according to the trawl phrase according to the present invention, by providing the inclined plate inclined to the left side and the right side partitioned by the net frame to position the net so as to be spaced apart a predetermined distance to the left and right from the movement path of the vessel, There is an advantage that can be caught in the surface of the sea without being affected by the vortex or foam of the sea water caused by the movement.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the trawl phrase according to the present invention.

Figure 2 is a perspective view of a trawl phrase according to the invention, Figure 3 is a perspective view of a modification of the trawl phrase according to the invention, Figure 4a is a perspective view of a first embodiment of the trawl phrase according to the invention, Figure 5a is a perspective view of a second embodiment of a trawl phrase according to the invention;

As shown in FIG. 2 or 3, the trawl phrase according to the present invention includes a net frame 200, a chisel 300, a net 400, an inclined plate 500, and a buoy 600. It is composed.

The net frame 200 is provided so that the opening of the net 400 to be described later to maintain a constant size, by preventing the opening of the net 400 to be described later to reduce or increase under the influence of sea water, the shape of the net It is possible to keep a constant to catch and to calculate the amount of catch according to the moving distance of the vessel (100).

The net frame 200 is composed of a front frame 210, the rear frame 220 and the side frame 230 to form a frame structure of a rectangular parallelepiped shape. That is, the front surface of the net frame 200 is partitioned by the front frame 210 of the rectangular shape, the net frame 200 by the rear frame 220 of the rectangular shape facing in parallel to the front surface. The rear surface of the) is partitioned, and the upper, lower and left and right sides of the net frame 200 by the side frame 230 that connects each corner of the front frame 210 and the rear frame 220. It is partitioned.

In addition, the net frame 200 is formed of a light material such as aluminum, by reducing the weight of the trawl in accordance with the present invention, it is easy to throw or pull it up in the vessel 100, inclined plate to be described later It is possible to more easily adjust the moving direction of the net 400 by 500. In addition, by reducing the weight of the net frame 200, it is also possible to catch fish that live on the sea surface.

In addition, the net frame 200 may be further provided with a support frame 240 for supporting a stable state of the inclined plate 500 to be described later. That is, when the vessel 100 moves quickly, since the action and reaction between the inclined plate 500 and the seawater to be described later become large, it is difficult to stably maintain the inclined state, and thus, the support frame 240 may be further provided. Do. The support frame 240 is one end is coupled to one frame constituting the front frame 210, the other end is coupled to one frame constituting the rear frame 220 facing the frame, The bent plate 500 is bent and formed to be in contact with one surface of the inclined plate 500 to support the inclined plate 500. At this time, it is preferable that the support frame 240 is provided in plural at regular intervals along the longitudinal direction of one frame constituting the front frame 210.

In addition, the net frame 200 may be further provided with an auxiliary frame 250 to assist in maintaining the frame structure of the net frame 200 to be stable. That is, when increasing the size of the net 400 to be described later in order to increase the catch, the net frame 200 also increases in proportion, it is difficult to stably maintain the skeleton structure of the net frame 200. Therefore, it is preferable that the auxiliary frame 250 is further provided in the net frame 200 so that the frame structure of the net frame 200 is stably maintained. The auxiliary frame 250 is provided on the upper, lower end surface or left and right side partitioned by the net frame 200, in various shapes in consideration of the length of the front frame 210 and the rear frame 220. Can be configured. In one embodiment, the auxiliary frame 250 is the first frame 251 and the first frame connecting the upper center portion of the front frame 210 and the upper center portion of the rear frame 220 opposite thereto. The second frame 252 may connect a corner of the front frame 210 or the rear frame 220 facing 251 diagonally with one end.

On the other hand, the chisel 300, one end is connected to the rear of the vessel 100, the other end is fastened to the front frame 210, the net frame 200 and the net is fastened thereto when the vessel 100 is moved It serves to attract 400.

At this time, the chisel 300 is fastened to two or more in a symmetrical position to balance the net frame 200. In particular, the other end of the chisel 300 is installed in the center of the left and right side of the front frame 210, respectively, to facilitate the adjustment of the moving direction of the net 400 in accordance with the action of the inclined plate 500 to be described later. .

In addition, the chisel 300 should have a sufficient durability that does not break even by the rapid movement of the vessel (100).

On the other hand, the net 400 is a net having a bag shape of the all-optical rear view, and serves to accommodate the catches coming through the net frame 200.

In this case, the net 400 is provided so that the opening is fastened to the rear frame 220, the end of the opening may be further provided with a net 410 for storing the received catch.

On the other hand, the inclined plate 500 is to adjust the moving direction of the net 400 through the action and reaction with the sea water according to the movement of the vessel 100, one end is fastened to the front frame 210, The other end is fastened to the rear frame 220, and is provided to be inclined with respect to the bottom surface or the left and right sides divided by the net frame 200.

That is, when the vessel 100 is moved, an effect such that the sea water flows in a direction opposite to the movement direction of the vessel 100 occurs relatively, and the water pressure due to the relative flow of the sea water causes the inclined plate 500 to move. By pushing out and moving the net frame 200 to which the inclined plate 500 is fastened, the moving direction of the fastened net 400 of the net frame 200 can be changed.

For example, as shown in Figure 4a, one side of the inclined plate 500 is fastened along the longitudinal direction to the lower end of the front frame 210, both corners of the other side is left and right of the rear frame 220. Is fastened to the right end, when the net frame 200 is provided to be inclined with respect to the bottom surface partitioned, the sea water passing through the net frame 200 is higher than the sea water around the inclined surface of the inclined plate 500 The slant plate 500 is forced downward by the relative flow of the seawater. As such, when the inclined plate 500 is forced downward, the net frame 200 to which the inclined plate 500 is fastened is lowered, and the net 400 fastened to the net frame 200. ) Is moved in the middle of the sea. This is advantageous in the case of catching in the middle layer of the sea by using the trawl gear according to the present invention, in particular, even if the net frame 200 is made of a light material, it is possible to catch in the middle layer of the sea. In addition, since the net frame 200 is lowered by the inclination plate 500, there is no need to further provide a device for adjusting the weight or other weight in the net frame 200, from this The weight of the trawl in accordance with the present invention can be made lighter. That is, the inclined plate 500 also serves as a weight to prevent the netframe 200 and the net 400 from resuspending.

In addition, as described below, the position at which the inclined plate 500 is provided, if changed differently, can be caught in other parts of the sea. That is, as shown in Figure 5a, one side of the inclined plate 500 is fastened along the longitudinal direction to the left end of the front frame 210, both edges of the other side of the upper and lower ends of the rear frame 220 When the net frame 200 is inclined to the left side to be partitioned, the seawater passing through the net frame 200 flows to the right along the inclined surface of the inclined plate 500 than the number of times around By the relative flow of the sea water, the inclined plate 500 is forced to the left. As such, when the inclined plate 500 receives the force to the left, the net frame 200 to which the inclined plate 500 is fastened moves to the left side, and the net 400 fastened to the net frame 200. ) Is spaced a predetermined distance to the left from the movement route of the vessel 100 to move along the surface of the sea. This is advantageous in the case of catching on the surface of the sea by using the trawl in accordance with the present invention, in particular, it is possible to catch on the surface of the sea without being affected by the vortex or foam of the sea water surface generated by the movement of the vessel 100 Do it.

In addition, when the inclined plate 500 is provided to be inclined on the right side partitioned by the net frame 200, the inclined plate 500 is inclined to the left side partitioned by the net frame 200. Only the right direction is reversed, the action and effect is the same.

As such, by adjusting the moving direction of the net 400 through the inclined plate 500, it is possible to select the fishing area of the sea to be caught using the trawl gear according to the present invention, the net frame 200 It can be caught in the desired area without being affected by the weight of the seawater due to the weight and movement of the vessel 100 or foam.

In addition, the inclined plate 500 is also formed of a light plastic material, by reducing the weight of the trawl in accordance with the present invention, it is easy to throw or pull up the net frame 200 in the vessel 100, The direction of movement of the net 400 can be adjusted more easily.

On the other hand, the buoy 600 is installed on the upper portion of the net frame 200, to balance the net frame 200, so that the net 400 does not rotate in the water.

In this case, the buoy 600 is provided at a position symmetrical to the front frame 210 and the rear frame 220 in the upper portion of the net frame 200, the net 400 by the inclined plate 500 Preferably, the buoy 600 may reduce the number of the buoys 600 in the case of catching fish in the middle layer of the sea rather than catching fish on the surface of the sea. .

In addition, when the buoy 600 cannot be installed, a weight may be connected to the lower portion of the net frame 200 to balance the net frame 200.

On the other hand, with reference to Figures 4a and 4b, and Figures 5a and 5b, the operation of the trawl phrase according to the present invention will be described in detail.

Figure 4a is a perspective view of a first embodiment of the trawl phrases according to the present invention, Figure 4b is a functional state diagram for a first embodiment of the trawl phrases according to the present invention, Figure 5a is a first embodiment of the trawl phrases according to the present invention 5 is a perspective view of a second embodiment, Figure 5b is an operational state diagram for a second embodiment of the trawl phrase according to the present invention.

As described above, in the case of catching fish inhabiting the middle layer of the sea, as shown in FIGS. 4A and 4B, the inclined plate 500 is provided to be inclined at the bottom surface partitioned by the net frame 200. Throw the trawl gear according to the invention into the sea.

Then, moving the vessel 100 to the area to be caught while slowly unwinding the chisel 300, seawater enters through the net frame 200 and the action between the seawater and the inclined plate 500 And by reaction, the net frame 200 is lowered toward the bottom of the sea.

After that, when the tension applied to the string 300 and the hydraulic pressure received by the inclined plate 500 is matched, the netframe 200 is no longer lowered and is located in the middle layer of the sea, the vessel 100 The net 400 is pulled from the middle layer of the sea in the same path as the movement path of) to catch fish that inhabit the middle layer of the sea. At this time, since the net frame 200 is centered by the buoy 600, it does not rotate in the water.

On the other hand, when catching fish that inhabit the surface of the sea, as shown in Figures 5a and 5b, the inclined plate 500 is provided inclined to the left and right side partitioned by the net frame 200 in the present invention Throw the following trawl phrase into the sea.

Thereafter, when the vessel 100 is moved to the area to be caught while slowly unwinding the chisel 300, seawater enters through the net frame 200. However, unlike the case of fishing in the middle layer of the sea described above, the net frame 200 only enters the sea by a predetermined depth, the sea does not go down to the lower layer of the sea by the tension applied to the string 300 It is located on the surface layer of.

In addition, the net frame 200 is inclined to the left or right in the movement path of the vessel 100 by the action and reaction between the sea water and the inclined plate 500 along the surface layer of the sea As a result, the fish inhabit the surface layer of the sea without being affected by vortices or foams on the surface of the seawater generated by the movement of the vessel 100.

The embodiments of the present invention described above and illustrated in the drawings should not be construed as limiting the technical idea of the present invention. The protection scope of the present invention is limited only by the matters described in the claims, and those skilled in the art can change and change the technical idea of the present invention in various forms. Therefore, such improvements and modifications will fall within the protection scope of the present invention, as will be apparent to those skilled in the art.

1 is a perspective view of a trawl mechanism according to the prior art.

2 is a perspective view of a trawl gear in accordance with the present invention.

3 is a perspective view of a modification of the trawl phrase according to the present invention.

Figure 4a is a perspective view of a first embodiment of a trawl phrase according to the present invention.

Figure 4b is an operational state diagram for the first embodiment of the trawl phrases according to the present invention.

5A is a perspective view of a second embodiment of a trawl phrase according to the present invention;

Figure 5b is an operational state diagram for a second embodiment of the trawl phrases according to the present invention.

***** Explanation of symbols for the main parts of the drawings *****

 10 vessel 20 deployment plate

 30: drag 40: net

100: vessel 200: netframe

210: front frame 220: rear frame

230: side frame 240: support frame

250: auxiliary frame 300: dragline

400: net 500: inclined plate

600: buoy

Claims (6)

A net frame composed of a rectangular front frame that partitions the front face, a rear frame that partitions the rear face opposite the front face, and a side frame connecting the front frame and the lower frame to form a rectangular parallelepiped structure. ; One end is connected to the rear of the ship, the other end is dragged to the front frame; A bag net in which an opening is fastened to the rear frame; One end is fastened to the front frame, and the other end is fastened to the rear frame, and the net frame is inclined with respect to the bottom surface or the left and right sides of the net frame, and through the action and reaction with the sea water according to the movement of the ship, An inclined plate for adjusting a moving direction of the net; And And a buoy installed on top of the netframe to balance the netframe as the vessel moves. The method of claim 1, The inclined plate, one side is fastened along the longitudinal direction to the lower end of the front frame, both edges of the other side is fastened to the left and right ends of the rear frame, it is provided to be inclined with respect to the bottom surface partitioned by the net frame Featuring trawl phrases. The method of claim 1, The inclined plate, one side is fastened along the longitudinal direction to the left end of the front frame, both sides of the other side is fastened to the upper and lower ends of the rear frame, characterized in that the net frame is provided to be inclined on the left side partitioned. Trawl phrases. The method of claim 1, The inclined plate, one side is fastened along the longitudinal direction to the right end of the front frame, both edges of the other side is fastened to the upper and lower ends of the rear frame, characterized in that the net frame is provided to be inclined on the right side partitioned. Trolls to play. The method according to any one of claims 1 to 4, It is fastened to the net frame to support one side of the inclined plate, characterized in that the inclined plate further comprises a support frame for supporting a stable inclined state with respect to the bottom surface or the left and right side partitioned by the net frame Trawl phrases. The method according to any one of claims 1 to 4, The trawl gear further comprises an auxiliary frame provided on the upper and lower end surfaces and the left and right sides of the net frame, and assisting the frame structure of the net frame to be stably maintained.

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