CN-116548402-B - Marine fish investigation trapping device and using method

CN116548402BCN 116548402 BCN116548402 BCN 116548402BCN-116548402-B

Abstract

The invention discloses marine fish investigation trapping equipment and a using method thereof, wherein the marine fish investigation trapping equipment comprises a trapping tank, the top end of the trapping tank is designed as an opening, a fixed net cover is fixedly arranged at the upper cavity opening of the trapping tank in an embedded manner, a motor is fixedly arranged at the center of the top end of the fixed net cover, a supporting mechanism is movably arranged at the lower bottom of the trapping tank in an embedded manner, an automatic blanking mechanism is arranged in the inner wall between the lower bottom of the trapping tank and the cavity bottom of the inner cavity, a plurality of inlet mechanisms are arranged on the outer side wall of the trapping tank in a threaded manner, a butt joint mechanism is arranged at the top end of the trapping tank, when the trapping tank is lifted to the shore to release and unload fish, a plurality of threaded mounting holes are blocked by an annular blocking piece, marine fish entering the trapping tank is prevented from being tripped and is only allowed to release from the square blanking opening, and the square blocking plate is pulled open by the annular blocking piece, so that the square blanking opening can be automatically opened, and the fish release and the method are convenient to use.

Inventors

ZHANG KUI
XU YOUWEI
SUN MINGSHUAI
CHEN ZUOZHI

Assignees

中国水产科学研究院南海水产研究所

Dates

Publication Date: 20260508
Application Date: 20230609

Claims (4)

1. The marine fish investigation trapping device comprises a trapping tank, wherein the top end of the trapping tank is designed as an opening, a fixed net cover is fixedly arranged at an upper cavity opening of the trapping tank in an embedded mode, and the marine fish investigation trapping device is characterized in that a motor is fixedly arranged at the center of a circle of the top end of the fixed net cover, a supporting mechanism is movably arranged at the lower bottom of the trapping tank in a lifting mode, an automatic blanking mechanism is arranged in an embedded mode in the inner wall between the lower bottom of the trapping tank and the cavity bottom of an inner cavity, a plurality of inlet mechanisms are arranged on the outer side wall of the trapping tank in a threaded mode, and a butt joint mechanism is arranged at the top end of the trapping tank; A storage cavity is formed in the inner wall between the outer annular wall and the inner cavity wall of the trapping tank, a plurality of threaded mounting holes which are consistent in specification and distributed in an equidistant annular array are formed in the outer annular wall of the trapping tank in a penetrating manner, a square blanking opening is formed in the inner cavity bottom of the trapping tank in a penetrating manner, a socket is formed in one inner cavity wall of the square blanking opening, and an inserting cavity is formed in the other inner cavity wall of the square blanking opening; The output end of the motor is provided with a driving shaft which penetrates through the fixed net cover to extend into the inner cavity of the trapping tank and is rotatably arranged at the bottom circular center position of the inner cavity of the trapping tank, the outer shaft wall of the driving shaft is fixedly sleeved with a shaft barrel, the outer barrel wall of the shaft barrel is vertically and fixedly provided with a plurality of square net frames which are consistent in specification and distributed in an equidistant annular array, square metal nets are embedded and arranged between two opposite outer side walls of the square net frames, and the motor is electrically connected with a connecting cable; The supporting mechanism comprises an annular blocking piece, the annular blocking piece is inserted into the accommodating cavity in a lifting and moving mode, baffle rings are fixedly arranged at the same horizontal line of the inner annular wall and the outer annular wall of the annular blocking piece, the two baffle rings are in contact with the bottom of the accommodating cavity, a plurality of supporting rods are vertically and fixedly arranged at the lower bottom of the annular blocking piece, and rubber bases are vertically and fixedly arranged at the bottom ends of the supporting rods; Automatic unloading mechanism includes square shutoff board, square shutoff board one end perpendicular installation two springs, square shutoff board one end equal fixed mounting is kept away from in the chamber of inserting to square shutoff board one end, square shutoff board is close to two equal perpendicular fixedly connected with of spring one end two stay cords, square shutoff board one end is kept away from to two springs sets up two fixed pulleys, two fixed pulleys all rotate and install in the chamber of inserting, two stay cords pass corresponding spring respectively and bypass corresponding fixed pulley, and finally stretch into to accomodate the intracavity and connect in the baffle ring bottom.
2. The marine fish investigation trapping device according to claim 1, wherein the plurality of inlet mechanisms comprise inlet hoppers, one ends of the inlet hoppers close to the trapping tank are fixedly provided with connecting cylinders, the connecting cylinders are respectively inserted into corresponding threaded mounting holes in a threaded manner, one ends of the inlet hoppers are provided with inlet ports, inner cavity walls of the inlet ports are fixedly provided with limit rings, round net frames are respectively sleeved in the inlet ports in a threaded manner, one sides of the round net frames are respectively abutted against the corresponding limit rings, round metal nets are embedded into two sides of the round net frames, and the round metal nets are arranged flush with corresponding inlet port cavities.
3. A marine fish investigation trapping device according to claim 2, wherein the docking mechanism comprises a plurality of steel ropes, one ends of the plurality of steel ropes are connected to the top end of the trapping tank at equal intervals, the top ends of the plurality of steel ropes are connected with the connecting head together, the top end of the connecting head is vertically and fixedly provided with a hanging ring, and the other ends of the connecting cables penetrate through the connecting head and extend to two sides of the hanging ring.
4. A method for using marine fish investigation trapping equipment, which is applied to the trapping equipment in any one of claims 1-3, and is characterized by comprising three using steps of water entry preparation, induced fishing and lifting water, and specifically comprises the following steps: Firstly, placing trapped foodstuff into an inner cavity of a trapping tank through a square blanking hole, respectively sleeving a proper-shape entering hopper into a corresponding threaded mounting hole through a connecting cylinder in a threaded manner, installing a round net frame wrapped around a round metal net with a proper aperture at an inlet of the entering hopper in a threaded manner, enabling the round metal net to be flush with the inlet, avoiding being scratched and damaged, abutting a lifting ring with a detachable bolt of lifting equipment, placing the trapping equipment into sea water, releasing a steel rope of the lifting equipment, and starting to place the trapping equipment into sea water with a target depth; When the trapping device is placed in sea water, the trapping device naturally drops due to the self weight of the annular blocking piece, namely, the blocking rings of the inner and outer annular walls of the annular blocking piece drop synchronously in the accommodating cavity of the trapping tank until the blocking rings are in contact with the bottom of the accommodating cavity, so that the annular blocking piece keeps a fixed position relative to the trapping tank, meanwhile, the annular blocking piece drops in height, the square blocking plate is not pulled by a pull rope, at the moment, the spring which is originally compressed and deformed starts to stretch elastically, one end is fixed, the other end pushes the square blocking plate to slide and insert into the square blanking opening, and finally, the square blanking opening is plugged, so that marine fishes are prevented from escaping, pass through meshes of a circular metal net and enter into the marine hopper, finally enter into the trapping tank, and simultaneously, a motor is started, and the square net frames and the square metal net are driven to rotate at a low speed by a driving shaft, so that the square net frames and the square metal net are respectively and are evenly distributed among the two square nets and are not forced to move, and the square metal net is damaged, so that the square fishes do not move; Lifting water, namely winding a steel rope through lifting equipment, lifting the trapping equipment to the shore, wherein the rubber bases at the bottom of the annular blocking piece are lowest in height, so that the annular blocking piece is firstly contacted with the ground, the trapping equipment is continuously lowered after the annular blocking piece is contacted with the ground, the annular blocking piece and the trapping tank are enabled to relatively lift and slide, at the moment, the annular blocking piece can rise in the accommodating cavity, the inner blocking ring and the outer blocking ring are synchronously raised until the annular blocking piece is abutted against the connecting cylinders, at the moment, the trapping equipment is stable to place, the annular blocking piece is slidably raised to a designated position, the annular blocking piece blocks a plurality of threaded mounting holes, marine fishes entering the trapping tank are prevented from jumping and escaping from the threaded mounting holes, only the marine fishes are allowed to escape from the square discharging opening below, the square discharging opening is pulled through the two pull ropes to be recovered into the inserting cavity in the square discharging opening in the sliding raising process, at the moment, the square discharging opening is enabled to be compressed and deformed to obtain elastic restoring force, and the square discharging opening is free, and the marine fishes between two adjacent metal nets are automatically opened and are convenient to be discharged from the square discharging opening.

Description

Marine fish investigation trapping device and using method Technical Field The invention relates to the technical field of marine fish investigation and trapping, in particular to marine fish investigation and trapping equipment and a using method thereof. Background The deep brillouin of the marine fish from the two poles to the equatorial sea, from the coast to the ocean, and from the surface layer to about ten thousand meters is distributed. The diversity of living environment promotes the diversity of marine fishes. But because of the same lifestyle. A series of common characteristics are that the respiratory gills for dissolving oxygen in water, the fins-shaped limbs which are convenient for movement in water can secrete mucus so as to reduce the movement resistance in water. In addition, the food has the characteristics of body type structure, reproduction and growth, feeding nutrition, exercise and the like. The marine organism trapper is a marine instrument used in the field of biology, the traditional marine organism trapper is equipment for single trapping or comprehensive trapping by means of food, light sources, sonar and the like, but a plurality of marine fishes are trapped in one time during the use process, when the marine fishes are trapped in a cage, the marine fishes are mutually extruded and collided, the damage and death of the marine fishes are easy to cause, the investigation and research are unfavorable, the mutual collision of the marine fishes also easily causes the blockage of an original trapping inlet, the subsequent marine fishes cannot be trapped, in addition, when the trapper is lifted to the shore and needs to be opened to take out the marine fishes, the additional operation is needed to be opened, the problem of complex operation exists, and the problem of being unfavorable for classification and induction of the marine fishes due to the fact that the marine fishes are mixed together is solved, and a plurality of use inconveniences exist. Disclosure of Invention The invention aims to provide marine fish investigation trapping equipment and a using method thereof, which aim to solve the technical problems in the background technology. The aim of the invention can be achieved by the following technical scheme: The utility model provides a marine fish investigation trapping device, includes the trapping tank, the top of trapping tank is the opening design, the last accent embedding fixed mounting of trapping tank has fixed net lid, the top centre of a circle position fixed mounting motor of fixed net lid, the lower end lift movable mounting of trapping tank has supporting mechanism, the embedding is installed automatic unloading mechanism in the inner wall between the lower end of trapping tank and the inner chamber end, a plurality of entrance mechanism are installed to the lateral wall screw thread of trapping tank, docking mechanism is installed on the top of trapping tank. According to the technical scheme, a storage cavity is formed in the inner wall between the outer annular wall and the inner cavity wall of the trapping tank, a plurality of threaded mounting holes which are consistent in specification and distributed in an equidistant annular array are formed in the outer annular wall of the trapping tank in a penetrating mode, a square blanking opening is formed in the inner cavity bottom of the trapping tank in a penetrating mode, a socket is formed in one inner cavity wall of the square blanking opening, and an inserting cavity is formed in the other inner cavity wall of the square blanking opening. The invention further provides a scheme that a driving shaft is arranged at the output end of the motor, the driving shaft penetrates through the fixed net cover to extend into the inner cavity of the trapping tank and is rotatably arranged at the bottom circular center position of the inner cavity of the trapping tank, a shaft barrel is fixedly sleeved on the outer shaft wall of the driving shaft, a plurality of square net frames which are consistent in specification and distributed in an equidistant annular array are vertically and fixedly arranged on the outer shaft wall of the shaft barrel, square metal nets are embedded and arranged between two opposite outer side walls of the square net frames, and the motor is electrically connected with a connecting cable. According to the invention, the supporting mechanism comprises an annular blocking piece, the annular blocking piece is inserted into the accommodating cavity in a lifting and moving mode, baffle rings are fixedly arranged at the same horizontal line of the inner annular wall and the outer annular wall of the annular blocking piece, the two baffle rings are in contact with the cavity bottom of the accommodating cavity, a plurality of supporting rods are vertically and fixedly arranged at the lower bottom of the annular blocking piece, and rubber bases are vertically and fixedly arranged at the bottom ends of the