CN212488062U - Euphausia superba trawl net plate water layer changing adjusting mechanism - Google Patents
Euphausia superba trawl net plate water layer changing adjusting mechanism Download PDFInfo
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- CN212488062U CN212488062U CN202021736391.0U CN202021736391U CN212488062U CN 212488062 U CN212488062 U CN 212488062U CN 202021736391 U CN202021736391 U CN 202021736391U CN 212488062 U CN212488062 U CN 212488062U
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- adjusting mechanism
- water layer
- euphausia superba
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Abstract
The utility model relates to a euphausia superba trawl net board becomes water layer adjustment mechanism, adjustment mechanism include otter board, lift adjustment mechanism, the warp connecting block and controller, and lift adjustment mechanism installs the inboard position at otter board front end middle part along the direction of height of otter board, and the warp connecting block is installed on lift adjustment mechanism and can go up and down to remove through the lift adjustment mechanism drive, and the warp connecting block is connected with the warp, and the controller is controlled lift adjustment mechanism's drive. The utility model discloses can carry out dynamic adjustment to the gesture of otter board at the operation in-process of catching, reach the purpose of changing the depth of water layer to the trawl and adjusting.
Description
Technical Field
The utility model belongs to the technical field of the trawl board, especially, relate to a euphausia superba trawl board becomes water layer adjustment mechanism.
Background
The trawl net for fishing Antarctic krill is characterized in that two sides of the trawl net are connected with a cross rope plate of the trawl net through connecting chains for dragging respectively, a trawl rope pulling plate is arranged on the trawl rope plate of the trawl net and is connected with a traction system of a fishing ship through a trawl rope, the trawl net is dragged to reach a balanced posture in a water body through the navigation of the fishing ship, and a trawl net port is unfolded and dragged to sweep and catch the trawl net.
As is known, the purpose of adjusting the positions of different water layers of the trawl in the water body can be achieved by adjusting the inner and outer inclination angles of the otter board when the otter board reaches the balance posture in the water body. Therefore, in the prior art, the warp steel pulling plate is usually provided with a structure of vertical connecting holes which are arranged at intervals, and the inner and outer inclination angles of the net plate in a water body can be controlled by adjusting the warp steel to be connected with different connecting holes in the warp steel pulling plate.
However, in the structure of the open-pore type trawl board in the prior art, the connection position between the trawl and the trawl board needs to be determined before the trawl is thrown into the water body, and the dynamic adjustment of the connection position between the trawl and the trawl board cannot be realized in the fishing process, that is, the posture of the screen plate cannot be dynamically adjusted in the fishing process so as to achieve the purpose of adjusting the depth of the trawl water layer.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a euphausia superba trawl otter board becomes water layer adjustment mechanism is provided, can carry out dynamic adjustment to the gesture of otter board at the operation in-process of catching, reaches the purpose of changing the water layer degree of depth to the trawl.
The utility model provides a technical scheme that its technical problem adopted provides a euphausia superba trawl net board becomes water layer adjustment mechanism, including otter board, lift adjustment mechanism, the warp connecting block and controller, the inboard position at otter board front end middle part is installed along the direction of height of otter board to lift adjustment mechanism, the warp connecting block is installed on lift adjustment mechanism and can go up and down to move through the lift adjustment mechanism drive, the warp connecting block is connected with the warp, the controller is controlled lift adjustment mechanism's drive.
The lifting adjusting mechanism comprises a bidirectional driving motor, a speed reducer, a screw rod, a sliding block and a guide rail, wherein an output shaft of the bidirectional driving motor is connected with an input end of the speed reducer, an output end of the speed reducer is connected with the screw rod, the screw rod and the guide rail are parallel to each other and are arranged along the height direction of the screen plate, the sliding block is arranged on the screw rod to form a ball screw transmission structure, the sliding block is assembled on the guide rail in a sliding mode, and the warp connecting block is fixed with the sliding block.
The bidirectional driving motor and the speed reducer are arranged in the first waterproof sealing bin.
The power is installed on the upper portion of the screen plate through the second waterproof sealing bin, the power is connected with the bidirectional driving motor and the speed reducer through the wires, the first waterproof sealing bin is connected with the second waterproof sealing bin through the waterproof sealing pipe, and the wires penetrate through the inside of the waterproof sealing pipe.
And the screen plate is provided with anti-collision plates respectively positioned at the upper side and the lower side of the lifting adjusting mechanism, and the anti-collision plates protrude out of the front end of the screen plate.
The lifting adjusting mechanism is arranged at the front end of the screen plate close to the inner side arc-shaped panel through the mounting bracket.
The controller is arranged on the fishing ship and realizes underwater wireless transmission of control signals with the lifting adjusting mechanism through an underwater radio frequency or underwater sound technology.
The utility model provides a technical scheme that its technical problem adopted provides a euphausia superba trawl otter becomes water layer adjustment method, has used foretell euphausia superba trawl otter to become water layer adjustment mechanism, including following step: in the operation process that the trawl net moves along with the towing of the fishing boat, when the trawl net needs to be adjusted to rise, the controller controls the lifting adjusting mechanism to drive the connecting block of the trawl net to rise, so that the lifting force of the screen plate is improved, and the screen plate drives the trawl net to rise; when the trawl net needs to be adjusted to submerge, the controller controls the lifting adjusting mechanism to drive the warp connecting block to descend, and the lifting force of the screen plate is reduced, so that the screen plate drives the trawl net to submerge.
Advantageous effects
The utility model discloses an installation lift adjustment mechanism is used for the two-way control to tow the rope connecting block to go up and down on the otter board, carries out dynamic control through the operation of controller to lift adjustment mechanism, can carry out dynamic control to the tie point between tow rope and the otter board position on the otter board direction of height to can be in the gesture when catching in-process dynamic adjustment otter board when reaching balanced state in the water, change otter board lift through the interior dip angle of dynamic adjustment otter board, reach the dynamic adjustment purpose to the trawl changes the depth of water layer.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described 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. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The adjusting mechanism for the water layer changing of the net plate of the euphausia superba trawl shown in fig. 1 comprises a net plate 1, a lifting adjusting mechanism, a warp connecting block 2 and a controller.
The double-layer mesh plate adopted by the mesh plate 1 in the embodiment comprises an inner layer arc-shaped panel and an outer layer arc-shaped panel, and mesh plates with other structural forms can be adopted. The lifting adjusting mechanism is arranged at the inner side position of the middle part of the front end of the screen plate 1 along the height direction of the screen plate 1 and is close to the position of the inner side arc-shaped panel.
The lifting adjusting mechanism comprises a bidirectional driving motor, a speed reducer, a screw rod 3, a sliding block 4 and a guide rail 5. Two-way driving motor and speed reducer set up in first waterproof sealing chamber 8, and two-way driving motor's output shaft is connected with the input of speed reducer, and the output and the screw rod 3 of speed reducer are connected. The guide rail 5 is arranged on the screen plate 1 along the height direction of the screen plate 1 through the mounting bracket 7, and the screw rod 3 and the guide rail 5 are arranged in parallel along the height direction of the screen plate 1. The slide block 4 is provided with a through hole with threads, is embedded with a ball and is arranged on the screw rod 3 to form a ball screw transmission structure. The sliding block 4 is slidably assembled on the guide rail 5 and is used for sharing the traction force of the traction line on the sliding block 4 and the screw rod 3.
The power supply is installed on the upper portion of the screen plate 1 through the second waterproof sealing bin, and the power supply is installed on the upper portion of the screen plate 1 to be convenient to replace. The bottom of the otter board 1 is fixed with a balance weight plate 9 for adjusting the gravity center position of the otter board 1. The power supply is connected with the bidirectional driving motor and the speed reducer through wires, the first waterproof sealing bin 8 is connected with the second waterproof sealing bin through a waterproof sealing pipe, the wires penetrate through the inside of the waterproof sealing pipe to be arranged, and the waterproof sealing pipe is fixed between the inner-layer arc-shaped panel and the outer-layer arc-shaped panel of the screen plate 1.
The upper side and the lower side of the lifting adjusting mechanism on the screen plate 1 are respectively provided with an anti-collision plate 6, and the anti-collision plates 6 protrude from the front end of the screen plate 1 to form a protection structure for the lifting adjusting mechanism.
The warp connecting block 2 is fixedly arranged on the sliding block 4, and can drive the warp connecting block 2 to move up and down through the operation of the bidirectional driving motor, and the warp connecting block 2 is connected with the warp. The controller is arranged on the fishing ship, underwater wireless transmission of control signals between the controller and the bidirectional driving motor is realized through an underwater radio frequency or underwater sound technology, and the operation of the bidirectional driving motor can be controlled through the controller.
In the trawl operation process, the net plate is mainly under the action of trawl rope tension, net plate hydrodynamic force and trawl rope tension, the net plate keeps the operation posture under the action of three forces, if the consolidation point of the trawl rope and the net plate is adjusted, the action point of the trawl rope on the net plate tension is changed, and the posture of the net plate is adjusted to achieve stress balance. When the trawl net needs to be adjusted to rise, the lifting adjusting mechanism is controlled by a control signal generated by the controller to drive the connecting block 2 of the trawl rope to rise, namely, the fixed point of the trawl rope moves upwards, the upper half part of the screen plate is stressed to be increased, the dip angle of the screen plate is increased, at the moment, the included angle between the screen plate and water flow is reduced, the upward lifting force of the screen plate is increased, and the position of the screen plate rises to drive the trawl net. When the trawl needs to be adjusted to dive, the lifting adjusting mechanism is controlled by a control signal generated by the controller to drive the warp connecting block 2 to descend, namely, the consolidation point of the warp moves downwards, at the moment, the upward lifting force of the screen plate is reduced, and the position of the screen plate descends to drive the trawl to dive.
The utility model discloses can combine to use in the analytical technique of antarctic krill mass density core interval (being the water layer distributes), through the variable water layer regulation control of otter board trawl, can realize that the trawl is to the tracking of antarctic krill mass density core interval, aim to catch to promote the output of catching of trawl when the same area of sweeping the sea.
Claims (8)
1. The utility model provides a euphausia superba trawl net board becomes water layer adjustment mechanism, includes otter board (1), its characterized in that: the net plate lifting device is characterized by further comprising a lifting adjusting mechanism, a warp connecting block (2) and a controller, wherein the lifting adjusting mechanism is installed at the inner side position of the middle part of the front end of the net plate (1) in the height direction of the net plate (1), the warp connecting block (2) is installed on the lifting adjusting mechanism and can be driven by the lifting adjusting mechanism to move in a lifting mode, the warp connecting block (2) is connected with a warp, and the controller controls the driving of the lifting adjusting mechanism.
2. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 1, wherein: the lifting adjusting mechanism comprises a bidirectional driving motor, a speed reducer, a screw rod (3), a sliding block (4) and a guide rail (5), an output shaft of the bidirectional driving motor is connected with an input end of the speed reducer, an output end of the speed reducer is connected with the screw rod (3), the screw rod (3) and the guide rail (5) are parallel to each other and are arranged along the height direction of the screen plate (1), the sliding block (4) is installed on the screw rod (3) to form a ball screw transmission structure, the sliding block (4) is assembled on the guide rail (5) in a sliding mode, and the warp line connecting block (2) is fixed with the sliding block (4).
3. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 2, wherein: the bidirectional driving motor and the speed reducer are arranged in the first waterproof sealing bin (8).
4. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 3, wherein: the power is installed through the waterproof sealed storehouse of second on the upper portion of otter board (1), be connected through the wire between power and the two-way driving motor and the speed reducer, be connected through waterproof sealed tube between first waterproof sealed storehouse (8) and the waterproof sealed storehouse of second, the wire passes inside the waterproof sealed tube.
5. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 4, wherein: and a counterweight plate (9) is installed at the bottom of the screen plate (1).
6. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 1, wherein: and the upper side and the lower side of the lifting adjusting mechanism on the screen plate (1) are respectively provided with an anti-collision plate (6), and the anti-collision plates (6) protrude out of the front end of the screen plate (1).
7. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 1, wherein: the lifting adjusting mechanism is arranged at the front end of the screen plate (1) close to the inner side arc-shaped panel through a mounting bracket (7).
8. The euphausia superba trawl door water layer changing adjusting mechanism according to claim 1, wherein: the controller is arranged on the fishing ship and realizes underwater wireless transmission of control signals with the lifting adjusting mechanism through an underwater radio frequency or underwater sound technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736391.0U CN212488062U (en) | 2020-08-19 | 2020-08-19 | Euphausia superba trawl net plate water layer changing adjusting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021736391.0U CN212488062U (en) | 2020-08-19 | 2020-08-19 | Euphausia superba trawl net plate water layer changing adjusting mechanism |
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| CN212488062U true CN212488062U (en) | 2021-02-09 |
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| CN202021736391.0U Active CN212488062U (en) | 2020-08-19 | 2020-08-19 | Euphausia superba trawl net plate water layer changing adjusting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990346A (en) * | 2020-08-19 | 2020-11-27 | 中国水产科学研究院东海水产研究所 | Euphausia superba trawl net plate water changing layer adjusting mechanism and method thereof |
-
2020
- 2020-08-19 CN CN202021736391.0U patent/CN212488062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990346A (en) * | 2020-08-19 | 2020-11-27 | 中国水产科学研究院东海水产研究所 | Euphausia superba trawl net plate water changing layer adjusting mechanism and method thereof |
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