CN213404581U

CN213404581U - Wetland fish resource investigation is with catching ground cage

Info

Publication number: CN213404581U
Application number: CN202022161655.0U
Authority: CN
Inventors: 陈毅青; 陈宗铸; 雷金睿; 陈小花; 李苑菱; 吴庭天
Original assignee: Hainan Academy of Forestry
Current assignee: Hainan Academy of Forestry
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-11
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a catching ground cage for wetland fish resource investigation, which comprises a supporting frame, a connecting frame, a net surface, a net cylinder and a buckle, the supporting frame and the connecting frame are square frames, the front and the back of the supporting frame are respectively provided with a square groove, the net surface is arranged in the supporting frame, the number of the supporting frames is multiple, and are arranged at equal intervals from left to right, the net cylinders are respectively arranged between two adjacent supporting frames, the connecting frames at the two ends of the net cylinders are respectively embedded into the square grooves of the corresponding supporting frames, make two adjacent braced frame and net section of thick bamboo constitute one and catch the fish interval, the braced frame's on the left of each fishing interval center is equipped with the fishing hole, and the fishing hole is connected with the great one end of loudspeaker form fishing inverted beard mouth, and the less one end of loudspeaker form fishing inverted beard mouth is located between the fishing interval, and braced frame's just, reverse side are equipped with the buckle respectively, and the buckle blocks the connected frame in the square groove. The utility model discloses simple structure, portable transportation, the investigation of being convenient for simultaneously goes on.

Description

Wetland fish resource investigation is with catching ground cage

Technical Field

The utility model belongs to the technical field of the wetland resource investigation, concretely relates to wetland fish resource investigation is with catching ground cage.

Background

The coastal wetland, the river wetland, the lake wetland and the artificial wetland are 5 types and 25 types in common in the Hainan island wetland, and the wetland types are very rich. The mangrove forest and coral reef wetland is the most important type of the south-of-the-sea island, and the south-of-the-sea island has the mangrove forest wetland with the largest area in China, which accounts for 82% of the area of the mangrove forest in China. Although the area of the whole-island constructed wetland is continuously enlarged, in recent years, due to economic development, cities are continuously expanded, and factors such as artificial cultivation destruction and water pollution influence are added, so that the area of the natural wetland is shrunk, and according to statistics, more than 35% of the natural wetland faces the threat of being reclaimed and reformed.

From the perspective of long-term protection, it is necessary to utilize a modern research method to further study the island wetland in the south of the sea, for example, the landscape pattern change and the research direction of space optimization simulation, and it is essentially understood that the landscape ecology principle is also utilized to solve the problem of land reasonable utilization, so as to reveal the real cause and action mechanism of landscape pattern change in the research area, and further propose the corresponding ecological protection and restoration strategy. The wetland ecological environment comprehensive evaluation is an important ring of landscape pattern change and space optimization simulation research work, in the wetland ecological environment comprehensive evaluation process, animal diversity index data needs to be acquired, and fish is animals with relatively large quantity in the wetland ecological environment. Therefore, it is necessary to develop a capture cage for wetland fish resource investigation, which can solve the above problems.

Disclosure of Invention

An object of the utility model is to provide a wetland fish resource investigation is with catching ground cage.

The utility model aims at realizing the fishing device, which comprises a supporting frame, a connecting frame, a net surface, a net barrel and a buckle, wherein the supporting frame and the connecting frame are square frames, the front surface and the back surface of the supporting frame are respectively provided with a square groove, the net surface is arranged in the supporting frame, the supporting frames are arranged at equal intervals from left to right, the net barrel is respectively arranged between two adjacent supporting frames, the connecting frames at the two ends of the net barrel are respectively embedded into the square grooves of the corresponding supporting frames, so that two adjacent supporting frames and the net barrel form a fishing area, the center of the supporting frame at the left side of each fishing area is provided with a fishing hole which is connected with the larger end of the horn-shaped inverted beard mouth, the smaller end of the horn-shaped inverted beard mouth is positioned in the fishing area, the front surface and the back surface of the supporting frame are respectively provided with the buckle, the connecting frame in the square groove is clamped by the buckle.

The utility model has the advantages that: each fishing interval of the utility model is a detachable structure, which is convenient for carrying and transporting, and can be detached in real time during the cage collecting process, so that the investigators can investigate fishes in each fishing interval, and during the investigation, the rest fishing intervals are all positioned under the water surface, thereby avoiding the problems of too large investigation workload in a short time and easy fish damage and death caused by too much fishing at one time; the utility model also has the advantages of simple structure and convenient use.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a front view of the support frame;

FIG. 3 is a schematic structural view of the buckle;

in the figure: 1-supporting frame, 2-connecting frame, 3-net surface, 4-net cylinder, 5-buckle, 6-square groove, 7-trumpet-shaped fish catching inverted beard opening, 8-hanging ring, 9-fixing shaft, 10-limiting end cover and 11-fastening bolt.

Detailed Description

The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and any alterations or replacements made based on the teachings of the present invention are all within the protection scope of the present invention.

As shown in the attached drawings 1-3, the utility model comprises a supporting frame 1, a connecting frame 2, a net surface 3, a net cylinder 4 and a buckle 5, wherein the supporting frame 1 and the connecting frame 2 are square frames, the front and back surfaces of the supporting frame 1 are respectively provided with a square groove 6, the net surface 3 is arranged in the supporting frame 1, a plurality of supporting frames 1 are arranged in the supporting frame 1 at equal intervals from left to right, the net cylinders 4 are respectively arranged between two adjacent supporting frames 1, the connecting frames 2 at two ends of the net cylinder 4 are respectively embedded into the square grooves 6 of the corresponding supporting frames 1, so that two adjacent supporting frames 1 and the net cylinder 4 form a fish catching region, the center of the supporting frame 1 at the left of each fish catching region is provided with a fish catching hole, the fish catching hole is connected with the larger end of a horn-shaped fish catching inverted whisker port 7, the smaller end of the horn-shaped fish catching inverted whisker 7 is positioned in the fish catching region, the front surface and the back surface of the supporting frame 1 are respectively provided with a buckle 5, and the buckle 5 clamps the connecting frame 2 in the square groove 6; wherein the trumpet-shaped fishing inverted beard opening is a fishing structure well known by the technical personnel in the field.

Preferably, each surface of the supporting frame 1 is provided with at least two symmetrically arranged buckles 5; the stability of the coupling frame 2 being caught is enhanced.

Preferably, two sides of the supporting frame 1 are respectively provided with a hanging ring 8.

Preferably, the end of the pull rope is provided with a hook, and the hook is connected with the hanging ring 8.

Preferably, buckle 5 be bar-shaped structure, braced frame 1 just, the reverse side be equipped with fixed axle 9 respectively, buckle 5 overlap locate on fixed axle 9, fixed axle 9 tip has set firmly spacing end cover 10, buckle 5 middle part and braced frame 1 between can dismantle through fastening bolt 11 and be connected, and buckle 5's tip lid is in the notch department of square groove 6, make buckle 5 block connecting frame 2 in the square groove 6.

Preferably, the fastening bolt 11 is a bolt handle, and the fastening bolt 11 can be directly screwed by a palm without a tool, so that the operation is convenient.

Preferably, the snap 5 covers half of the notch of the square groove 6.

Preferably, the number of the fishing areas is at least two, so that the fishing space is increased.

Preferably, the diameters of the smaller ends of the trumpet-shaped fishing inverted beard openings 7 in the fishing intervals arranged from left to right are sequentially reduced; the fish enters the leftmost fishing interval from the leftmost trumpet-shaped fishing inverted beard opening 7, the fish with relatively small body size enters the next fishing interval from the next trumpet-shaped fishing inverted beard opening 7, and the rest is done in the same way, so that the fishes with different body sizes are classified, and investigation and statistics are facilitated.

The utility model discloses theory of operation and working process: firstly, transversely placing a capture ground cage into water of a wetland point location to be investigated, and sinking the ground cage into the water bottom; the fish enters the fishing area from the left horn-shaped fishing inverted beard opening 7;

after a preset unit time, the device is gradually pulled out from the water through the pull rope, and when a fishing interval is pulled out, the hanging ring 8 of the support frame 1 close to the water surface in the fishing interval is hung with the hook and the pull rope and keeps a tensioned state, so that the device is prevented from sliding back into the water; then, the investigator carries out disassembly operation on the support frame 1 which is far away from the water surface in the fishing interval, specifically, firstly screws and takes down the fastening bolt 11, then rotates the buckle 5 to make the end part of the buckle 5 far away from the square groove 6, namely, the buckle is in an open state, and then takes out the connecting frame 2 from the square groove 6, namely, the fishing interval is in the open state, so that the observation, identification and recording work can be carried out on the fish in the fishing interval, and the fish is taken out and released after the operation is finished; then repeating the above process, and operating each fishing interval separately to finish the investigation of the catching ground cage, wherein the device is in a disassembled state, is convenient to load and carry, and can be assembled firstly and then put into water for reuse when being used next time; if a plurality of catching ground cages are arranged at the same point position, the simultaneous operation or the sequential operation can be carried out, and then the fish resource investigation work of the wetland parcel is completed for all the point positions of the parcel in the same mode.

Claims

1. A wetland fish resource investigation is with catching ground cage, includes braced frame (1), connected frame (2), wire side (3), net section of thick bamboo (4), buckle (5), characterized by that braced frame (1), connected frame (2) be square frame, braced frame (1) just, reverse side be equipped with square groove (6) respectively, wire side (3) locate braced frame (1) in, braced frame (1) have a plurality ofly, and equidistant range in proper order from left to right, net section of thick bamboo (4) locate between two adjacent braced frame (1) respectively, connected frame (2) at net section of thick bamboo (4) both ends imbed respectively in the square groove (6) of the corresponding braced frame (1), make two adjacent braced frame (1) and net section of thick bamboo (4) constitute a fish catching interval, the center of the braced frame (1) on the left of each fishing interval is equipped with the fishing hole, the fishing hole is connected with the great one end of loudspeaker form fishing inverted beard mouth (7), and the less one end of loudspeaker form fishing inverted beard mouth (7) is located between the fishing interval, braced frame (1) just, the reverse side be equipped with buckle (5) respectively, buckle (5) block connecting frame (2) in square groove (6).

2. The wetland fish resource investigation trapping ground cage according to claim 1, characterized in that two sides of the supporting frame (1) are respectively provided with a hanging ring (8).

3. The wetland fish resource investigation of claim 2 is with catching ground cage, characterized in that the end of stay cord is equipped with the couple, and the couple is connected with link (8).

4. The wetland fish resource investigation of claim 1 is with catching ground cage, characterized in that the support frame (1) has at least two symmetrically arranged buckles (5) on each side.

5. The wetland fish resource investigation is with catching ground cage according to claim 1 or 4, characterized in that the buckle (5) is a bar structure, the front and back of the support frame (1) are respectively provided with a fixed shaft (9), the buckle (5) is sleeved on the fixed shaft (9), the end of the fixed shaft (9) is fixedly provided with a limit end cover (10), the middle of the buckle (5) is detachably connected with the support frame (1) through a fastening bolt (11), and the end of the buckle (5) covers the notch of the square groove (6), so that the buckle (5) blocks the connecting frame (2) in the square groove (6).

6. The wetland fish resource investigation trapping ground cage according to claim 5, characterized in that the buckle (5) covers half of the notch of the square groove (6).

7. The wetland fish resource investigation trapping cage according to claim 1, wherein there are at least two fishing intervals.

8. The wetland fish resource investigation-use trapping cage according to claim 1, characterized in that the diameters of the smaller ends of the trumpet-shaped fishing inverted beards (7) in the fishing intervals arranged from left to right are sequentially reduced.