阅读说明：本技术 南极磷虾拖网连续捕捞防堵塞释放装置 (Anti-blocking releasing device for continuous fishing of euphausia superba trawl ) 是由 齐广瑞 王鲁民 王永进 王磊 于 2020-05-27 设计创作，主要内容包括：本发明涉及一种南极磷虾拖网连续捕捞防堵塞释放装置,包括截面呈长方形的释放管,释放管一侧的后段设有释放口,释放口通过第一封板和第二封板封堵,第二封板后端与释放管可转动连接形成第一翻转轴、前端与第一封板的后端可转动连接,释放管内部安装有南极磷虾可通过的用于控制释放口启闭的格栅板,格栅板倾斜设置于释放管内部,格栅板的前端与释放管相对释放口的另一侧可转动连接形成第二翻转轴,格栅板的后端与第一封板的前端可转动连接,格栅板通过驱动机构控制沿第二翻转轴转动并带动第一封板和第二封板开启或者关闭释放口。本发明能够针对大型副渔获或者南极磷虾堆积进行释放达到疏通堵塞的目的,有利于保障泵吸转移渔获物的连续性。(The invention relates to a continuous fishing anti-blocking release device for euphausia superba trawls, which comprises release pipes with rectangular sections, wherein the rear section of one side of each release pipe is provided with a release port, the release ports are blocked through a first sealing plate and a second sealing plate, the rear ends of the second sealing plates are rotatably connected with the release pipes to form a first overturning shaft, the front ends of the second sealing plates are rotatably connected with the rear ends of the first sealing plates, grid plates which can be passed by euphausia superba and are used for controlling the opening and closing of the release ports are arranged in the release pipes, the grid plates are obliquely arranged in the release pipes, the front ends of the grid plates and the other sides of the release pipes, which are opposite to the release ports, are rotatably connected to form a second overturning shaft, the rear ends of the grid plates are rotatably connected with the front ends of the first sealing plates, and the grid plates are controlled to rotate along the second overturning. The invention can release the large-scale assistant catch or the antarctic krill to achieve the purpose of dredging the blockage, and is beneficial to ensuring the continuity of pumping and transferring the catch.)

1. The utility model provides a antarctic krill trawl continuously catches and prevents blockking up release which characterized in that: including the cross-section be rectangular release pipe (1), the back end of release pipe (1) one side is equipped with release mouth (2), release mouth (2) are through first shrouding (3) and second shrouding (4) shutoff, second shrouding (4) rear end forms the rear end rotatable coupling of first trip shaft, front end and first shrouding (3) with release pipe (1) rotatable coupling, release pipe (1) internally mounted has grid board (5) that south Pole krill can pass and be used for controlling release mouth (2) and open and close, grid board (5) slope sets up inside release pipe (1), the front end of grid board (5) forms second trip shaft with the opposite side rotatable coupling of release pipe (1) relative release mouth (2), the rear end of grid board (5) and the front end rotatable coupling of first shrouding (3), grid board (5) are controlled to rotate and drive first shrouding (3) and second shrouding (3) along the second trip shaft through actuating mechanism (4) Opening or closing the release port (2).

2. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 1, wherein: the utility model discloses a grid plate, including grid plate (5), first shrouding (3), release pipe (1), first arc slotted hole (7) are equipped with respectively to the junction both sides of grid plate (5) and first shrouding (3), the both sides that release pipe (1) is relative correspond and are equipped with first arc slotted hole (7), first arc slotted hole (7) correspond with the rotation orbit of first installation axle (6) just first installation axle (6) are installed in first arc slotted hole (7).

3. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 2, wherein: the outside of release pipe (1) is equipped with first drive plate (10) of fixed position and can winds second trip shaft pivoted second drive plate (11), the front end of first drive plate (10) is towards the closed position end of second trip shaft, rear end towards first arc slotted hole (7), the front end of second drive plate (11) is connected with first installation axle (6) towards second trip shaft, rear end, be equipped with electro-magnet (12) on first drive plate (10), be equipped with armature (13) on second drive plate (11), second drive plate (11) are rotated and are driven grid plate (5) around second upset axial rotation closing position around second trip shaft towards first drive plate (10) through the magnetic attraction effect between electro-magnet (12) and armature (13).

4. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 3, wherein: and a return spring (14) for driving the second driving plate (11) to rotate to the release position of the grating plate (5) is arranged between the first driving plate (10) and the second driving plate (11).

5. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 1, wherein: the two sides of the joint of the first sealing plate (3) and the second sealing plate (4) are respectively provided with a second installation shaft (8), the two opposite sides of the release pipe (1) are correspondingly provided with second arc-shaped slotted holes (9), the second arc-shaped slotted holes (9) correspond to the rotation tracks of the second installation shafts (8), and the second installation shafts (8) are installed in the second arc-shaped slotted holes (9).

6. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 5, wherein: the outside of release pipe (1) is equipped with position fixing's third drive plate (15) and can winds first trip shaft pivoted fourth drive plate (16), the rear end of third drive plate (15) is connected with second installation axle (8) towards first trip shaft, front end towards the closed position end of second arc slotted hole (9), the rear end of fourth drive plate (16) is connected with second trip shaft, front end and second installation axle (8), be equipped with electro-magnet (12) on third drive plate (15), be equipped with on fourth drive plate (16) and move armature (13), fourth drive plate (16) rotate and drive second shrouding (4) around first upset axial closing position around first trip shaft towards third drive plate (15) through the magnetic attraction effect between electro-magnet (12) and the moving armature (13).

7. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 1, wherein: still be including connecting pipe (17) that the cross-section is major arc shape, release pipe (1) is installed in the inside of connecting pipe (17), one side that release pipe (1) has release mouth (2) corresponds with the arc chord side breach of connecting pipe (17).

8. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 7, wherein: a guide grid (18) through which antarctic krill can pass is arranged between the release pipe (1) and the connecting pipe (17) at a position corresponding to the front port of the release pipe (1), and the front end of the guide grid (18) inclines towards the release pipe (1).

9. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 7, wherein: and the front end and the rear end of the connecting pipe (17) are respectively provided with a connecting flange (19) which is used for being connected with a trawl net bag (20) and a pumping interface (21).

10. The anti-clogging release device for continuous fishing of euphausia superba trawl according to claim 1, wherein: hinge connection is arranged between the grid plate (5) and the first sealing plate (3) and between the first sealing plate (3) and the second sealing plate (4).

Technical Field

The invention belongs to the technical field of euphausia superba trawlnets, and particularly relates to a continuous fishing anti-blocking release device for euphausia superba trawlnets.

Background

The continuous fishing of the euphausia superba trawl refers to a fishing mode that the trawl is pulled to move to catch the euphausia superba, and the catch collected by the trawl net sacs is synchronously transferred to a fishing boat, so that the continuous fishing is realized and the net is prevented from being pulled out. According to the pumping fishing structure capable of realizing the continuous fishing of the euphausia superba trawl, disclosed by the patent 'the continuous pumping fishing system for the euphausia superba near the ship end' (CN201811562447.2), the fishing objects collected in the bag net are pumped and transferred to a fishing ship by using a shrimp suction pump while the trawl is swept to catch, so that the continuous fishing is realized.

The existing pumping fishing system generally pumps and transfers the fishery products through the direct butt joint of a pumping interface and the net bag of a trawl, when a large-scale assistant fishery product is arranged at the pumping interface and cannot be pumped and transferred, or a large amount of antarctic krill fishery products are accumulated, the tail of the net bag is easy to block, so that the pumping and transferring of the fishery products cannot be continuously carried out or the efficiency is influenced.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the anti-blocking releasing device for the continuous fishing of the euphausia superba trawl, which can release the large-scale assistant catch or the euphausia superba pile to achieve the purpose of blocking dredging, and is favorable for ensuring the continuity of pumping and transferring the catch.

The technical scheme adopted by the invention for solving the technical problems is to provide an anti-blocking release device for continuously fishing the euphausia superba trawl, which comprises a release pipe with a rectangular section, the rear section of one side of the release pipe is provided with a release port which is sealed by a first seal plate and a second seal plate, the rear end of the second sealing plate is rotatably connected with the release pipe to form a first overturning shaft, the front end of the second sealing plate is rotatably connected with the rear end of the first sealing plate, a grid plate which can be passed by antarctic krill and is used for controlling the opening and closing of the release opening is arranged in the release pipe, the grating plate is obliquely arranged in the release pipe, the front end of the grating plate and the other side of the release pipe, which is opposite to the release port, are rotatably connected to form a second turnover shaft, the rear end of the grid plate is rotatably connected with the front end of the first sealing plate, and the grid plate is controlled by the driving mechanism to rotate along the second overturning shaft and drive the first sealing plate and the second sealing plate to open or close the release port.

The two sides of the joint of the grid plate and the first sealing plate are respectively provided with a first installation shaft, the two opposite sides of the release pipe are correspondingly provided with a first arc-shaped slotted hole, the first arc-shaped slotted hole corresponds to the rotation track of the first installation shaft, and the first installation shaft is installed in the first arc-shaped slotted hole.

The outside of release pipe is equipped with the first drive plate of position fixing and can winds second trip shaft pivoted second drive plate, the front end of first drive plate is towards the closed position end of second trip shaft, rear end towards first arc slotted hole, the front end of second drive plate is connected with first installation axle towards second trip shaft, rear end, be equipped with the electro-magnet on the first drive plate, be equipped with movable armature on the second drive plate, the second drive plate passes through the magnetism between electro-magnet and the movable armature and inhales the effect and rotates around second trip shaft towards first drive plate and drive the grid plate and rotate around second upset axial closed position.

And a return spring for driving the second driving plate to rotate to the release position of the grating plate is arranged between the first driving plate and the second driving plate.

And second installation shafts are respectively arranged on two sides of the joint of the first sealing plate and the second sealing plate, second arc-shaped slotted holes are correspondingly arranged on two opposite sides of the release pipe, the second arc-shaped slotted holes correspond to the rotation tracks of the second installation shafts, and the second installation shafts are installed in the second arc-shaped slotted holes.

The outside of release pipe is equipped with the third drive plate of fixed position and can winds first trip shaft pivoted fourth drive plate, the rear end of third drive plate is towards first trip shaft, the closed position end of front end orientation second arc slotted hole, the rear end of fourth drive plate is towards second trip shaft, front end and second installation hub connection, be equipped with the electro-magnet on the third drive plate, be equipped with movable armature on the fourth drive plate, fourth drive plate passes through the magnetic attraction between electro-magnet and the movable armature and rotates around first trip shaft towards the third drive plate and drive the rotation of second shrouding around first upset axial closed position.

The release pipe is arranged in the connecting pipe, and one side of the release pipe with a release port corresponds to the arc chord side notch of the connecting pipe.

A guide grid through which antarctic krill can pass is arranged between the release pipe and the connecting pipe and corresponds to the front port of the release pipe, and the front end of the guide grid inclines towards the release pipe.

And the front end and the rear end of the connecting pipe are respectively provided with a connecting flange which is used for being connected with the trawl net bag and a pump suction interface.

Hinge connection is passed through between grid plate and the first shrouding, between first shrouding and the second shrouding.

Advantageous effects

In the invention, when the release pipe is in a closed state (namely a non-release state), the euphausia superba fishery catch can be ensured to orderly pass through the device under the pumping action generated by the pumping and catching system and be transferred to the catching boat, and when large-scale fishery catches or euphausia superba stacking causes the blocking of the pumping and transferring fishery catch or the obvious reduction of the efficiency, the release port can be opened by controlling the grid plate to overturn to release the large-scale fishery catches or the stacked euphausia superba, so that the purpose of dredging the blockage is achieved, and the continuity of the pumping and transferring fishery catch and the long-time underwater operation of the euphausia superba trawl are favorably ensured.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a release tube closed state according to an embodiment.

FIG. 3 is a schematic structural diagram illustrating an open state of a release tube according to an embodiment.

FIG. 4 is a schematic side view of an open state of the release tube according to the embodiment.

FIG. 5 is a schematic diagram of the present invention in connection with a trawl bag and a pumping interface.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

The anti-blocking release device for continuously fishing the euphausia superba trawl as shown in fig. 1 comprises a release pipe 1 with a rectangular cross section and a connecting pipe 17 with a good arc-shaped cross section. The rear section at the top of the release pipe 1 is provided with a release port 2, the release pipe 1 is arranged in the connecting pipe 17, and the top of the release pipe 1 corresponds to the arc-chord side gap of the connecting pipe 17.

As shown in fig. 1, a guide grill 18 is provided between the release pipe 1 and the connection pipe 17 at a position corresponding to the front end of the release pipe 1, and the front end of the guide grill 18 is inclined toward the release pipe 1. The smooth passing through of antarctic krill can be guaranteed to guide grid 18, through the slope structure that guide grid 18 front end formed, can be favorable to preventing that antarctic krill from taking place to pile up, and can be favorable to catch thing and vice catch to enter into release pipe 1 through the direction.

The front and rear ends of the connecting pipe 17 are provided with connecting flanges 19 respectively for connecting with a trawl bag 20 and a pumping interface 21, as shown in fig. 5. Inferior arc shaped supporting plate is arranged between the connecting flange 19 and the releasing pipe 1, water passing holes through which the Antarctic krill can not pass are arranged on the supporting plate, and resistance formed when the Euphausia superba moves in the water body is reduced. Except for the top side, the plates on other sides of the connecting pipe 17 can be arranged to be of a hollow hole structure, so that the overall weight of the device is reduced.

As shown in fig. 2, in a normal state, the discharge port 2 of the discharge tube 1 is closed by the first closing plate 3 and the second closing plate 4. The rear end of the second sealing plate 4 is connected with the release pipe 1 through a shaft to form a first overturning shaft, and the front end of the first overturning shaft is rotatably connected with the rear end of the first sealing plate 3 through a hinge.

The interior of the release pipe 1 is provided with a grating plate 5 which can be passed by antarctic krill and is used for controlling the opening and closing of the release port 2. Grid plate 5 inclines inside release pipe 1, and the front end (also the lower extreme) of grid plate 5 forms the second trip shaft with the bottom coupling of release pipe 1, and hinge rotatable coupling is passed through with the front end of first shrouding 3 to the rear end (also the upper end) of grid plate 5. The grid plate 5 is controlled by the driving mechanism to rotate along the second overturning shaft, and drives the first sealing plate 3 and the second sealing plate 4 to open the release port 2, so as to achieve the release state shown in fig. 3 or fig. 4.

As shown in fig. 2, two sides of the joint between the grid plate 5 and the first sealing plate 3 are respectively provided with a first mounting shaft 6, two opposite sides of the release pipe 1 are correspondingly provided with a first arc-shaped slot 7, the first arc-shaped slot 7 corresponds to the rotation track of the first mounting shaft 6, and the first mounting shaft 6 is mounted in the first arc-shaped slot 7.

As shown in fig. 3, the outer sides of the left and right sides of the release tube 1 are respectively provided with a first driving plate 10 and a second driving plate 11 which are fixed in position and can rotate around a second turning shaft, the front end (i.e. the lower end) of the first driving plate 10 faces the second turning shaft, the rear end (i.e. the upper end) faces the closing position end (i.e. the upper end of the first arc-shaped slot hole 7 in fig. 3) of the first arc-shaped slot hole 7, the front end of the second driving plate 11 faces the second turning shaft, and the rear end is connected with the first mounting shaft 6. The first drive plate 10 is provided with an electromagnet 12, the second drive plate 11 is provided with a movable armature 13, the electromagnet 12 generates magnetism through power-on control, the second drive plate 11 rotates around the second overturning shaft towards the first drive plate 10 through the magnetic attraction between the electromagnet 12 and the movable armature 13, and the second drive plate can drive the grating plate 5 to rotate around the second overturning shaft to a closed position. As shown in fig. 4, a return spring 14 for driving the second driving plate 11 to rotate to the release position of the grid plate 5 is installed between the first driving plate 10 and the second driving plate 11, and the return spring 14 has a closing buffer function at the same time. By closed position is meant the position of grating plate 5 when grating plate 5 is in the closed state, and by released position is meant the position of grating plate 5 when grating plate 5 is in the fully open state.

As shown in fig. 2, two sides of the joint of the first sealing plate 3 and the second sealing plate 4 are respectively provided with a second mounting shaft 8, two opposite sides of the release pipe 1 are correspondingly provided with a second arc-shaped slot 9, the second arc-shaped slot 9 corresponds to the rotation track of the second mounting shaft 8, and the second mounting shaft 8 is mounted in the second arc-shaped slot 9.

As shown in fig. 3, a fixed third driving plate 15 and a fourth driving plate 16 which can rotate around the first turning shaft are arranged outside the release pipe 1, the rear end of the third driving plate 15 faces the first turning shaft, the front end of the third driving plate faces the closing position end of the second arc-shaped slot hole 9, the rear end of the fourth driving plate 16 faces the second turning shaft, and the front end of the fourth driving plate is connected with the second mounting shaft 8. As shown in fig. 4, the third driving plate 15 is provided with an electromagnet 12, the fourth driving plate 16 is provided with a movable armature 13, and the fourth driving plate 16 rotates around the first turning shaft toward the third driving plate 15 through the magnetic attraction between the electromagnet 12 and the movable armature 13, and drives the second sealing plate 4 to rotate around the first turning shaft to a closed position. The closed position is the position in which the second closure panel 4 is in the closed position and the released position is the position in which the second closure panel 4 is in the fully open position.

This anti-clogging release device is catched in succession to antarctic krill trawl when normal use state, grating 5 and second shrouding 4 are attracted the effect respectively and are in the closed position, and release 2 of pipe 1 is passed through first shrouding 3 and the shutoff of second shrouding 4 to the release mouth this moment, and antarctic krill catch thing receives the suction effect of pumping system of catching to shift in succession to the ship of catching through grating 5 and guide grid 18.

When large-scale assistant catches or antarctic krill are accumulated to cause that pumping of the transferred catches is blocked or efficiency is obviously reduced, the electromagnet 12 is controlled to be powered off, the magnetic attraction between the electromagnet 12 and the movable armature 13 is eliminated, the grid plate 5 can be driven to overturn through the reset spring 14, the first sealing plate 3 and the second sealing plate 4 are driven to move, the release port 2 of the release pipe 1 is opened, the large-scale assistant catches or the accumulated antarctic krill are released, the purpose of dredging and blocking is achieved, and the continuity of pumping of the transferred catches and the long-time underwater operation of the antarctic krill trawl are guaranteed.