CN212852231U - Semicircular ground cage net - Google Patents
Semicircular ground cage net Download PDFInfo
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- CN212852231U CN212852231U CN202021474230.9U CN202021474230U CN212852231U CN 212852231 U CN212852231 U CN 212852231U CN 202021474230 U CN202021474230 U CN 202021474230U CN 212852231 U CN212852231 U CN 212852231U
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- ground cage
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- semicircular
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Abstract
The utility model discloses a semicircle type ground cage net relates to fishery and catches instrument technical field, including the middle section with establish the bag net at the middle section both ends, the middle section mainly falls into n shelves by n +1 semi-circular frame, every shelves outsourcing seam polyethylene silk mesh screen spun silk constitutes, wherein n is for being greater than zero natural number, and an opening that has the inverted beard is respectively opened to each shelves both sides, and semi-circular frame encloses by the lead wire and becomes. The framework adopts a semicircular framework, the upper part is small, the lower part is large, and the side surface of the ground cage has the guidance for enabling fishes to swim upwards, so that flexible fishes can swim over the ground cage, and the catching rate of the fishes is reduced; the inflexible shrimps and crabs are not influenced or less influenced by guidance, so that the fish occupation ratio in the caught fish is higher than that of the shrimps and crabs. When fishing, the fishes are relatively easy to avoid being fished, and the fish resources are protected; the catching rate of the shrimps and crabs is not influenced, and the shrimps and crabs can catch external species such as procambarus clarkii and the like; thereby improving the abilities of catching foreign species and protecting the original fish resources.
Description
Technical Field
The utility model relates to an instrument technical field is catched in the fishery, concretely relates to semicircle type ground cage net.
Background
A common ground cage (ground cage net) at the present stage of a fresh water area is a hat-type ground cage, as shown in figures 1 and 2, the total length is 15.6m, and the mesh size is 3-6 mm. The ground cage is divided into three sections, and the middle section 1 of the ground cage is 9.6m long; two ends of the ground cage are provided with bag nets 2, and the bag nets 2 are 3.0m long respectively. The middle section 1 is formed by dividing 25 trapezoid frames 4 into 24 grades of polyethylene silk screen silk 3 with the space between every two grades being 0.4 m. The trapezoid frame 4 is formed by bending No. 8 lead wire (diameter 4.0mm) into U shape, the bottom of the frame is 0.6m long, the net height of the frame columns at two sides is 0.4m, the upper frame rod is a bamboo rod with length 0.7m and diameter 0.1m, the frame columns at two sides are bent outwards after being inserted through the upper frame rod, two ends of the upper frame rod respectively extend out of the frame by about 0.05m to form a skeleton of the ground cage with the hat (the cross section is trapezoid with large upper part and small lower part, and the upper surface is wider and protrudes relative to the lower surface, so the ground cage with the hat is obtained). Two polyethylene silk screen bolting silk 3 with the width of 0.7m are sewed into a frame, and the bottom edge of the overedged frame 4 is connected with the two upright post edges; a polyethylene silk screen 3 with the width of 0.7m is covered and sewed on the upper frame of 25 bamboo poles; two sides of each gear are respectively provided with an opening 5 with inverted beards, and the two openings 5 are arranged in a staggered way, so that the capture rate is improved. Two ends of the middle section of the ground cage are respectively sewed with a bag net 2 (bag net bag), and the length of the bag net 2 is 3.0 m. 4 supporting rings 6 formed by bending bamboo chips sequentially arranged from inside to outside are arranged in the bag net 2, the diameters of the supporting rings 6 are sequentially phi 0.6m, phi 0.5m, phi 0.4m and phi 0.3m, the distance between each of the 4 supporting rings 6 and the distance between each of the 4 supporting rings and the middle section 1 is 0.5m, and inverted whiskers extending into the net piece of the next supporting ring 6 for sewing are tied in the previous supporting ring 6.
The mesh size of the ground cage net with the cap is too dense, so that the ratio of juvenile fishes in the caught fishery products is higher; the design of the upper layer with a cap ensures that the fish occupation ratio of the fish caught by the cap-shaped ground cage is higher than that of shrimps and crabs; the staggered design of the opening belongs to the type of easy entry and difficult exit, flexible fishes and inflexible shrimp and crab aquatic organisms are not easy to escape, and selective multi-capture of shrimp and crab organisms is not easy to realize. Due to the reasons of people release, factory culture escape and the like, most of freshwater areas in China have invasion situations of foreign species, the representative species is procambarus clarkii, and the existing ground cage net has poor capability in the aspects of catching the foreign species and protecting original fish resources.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a semicircle type land cage net to solve current cap type land cage owing to catch fish in the fish catch the fish occupation of land ratio and be higher than shrimp and crab and lead to catch foreign species, protect the relatively poor problem of original fish resource ability.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the utility model provides a semicircle type ground cage net, its includes the middle section and establishes the bag net at the middle section both ends, and the middle section mainly falls into n shelves by n +1 semicircle frame, and every shelves outsourcing seam polyethylene silk screen silk constitutes, and wherein n is for being greater than zero natural number, and each opening that has the inverted beard is respectively opened to every shelves both sides, semicircle frame encloses by the lead wire and becomes.
Further, the lower frame length of the semicircular frame is 0.5m, and the height of the semicircular frame is 0.35 m.
Further, n is 22.
Further, the semicircular ground cage net is 17m long, the bag net is 3m long, the middle section is 11m long, and the interval of each gear is 0.5 m.
Further, the semicircular frame is formed by enclosing No. 8 lead wires.
Furthermore, 4 supporting rings are arranged in the sac net from inside to outside in sequence, and the diameters of the 4 supporting rings are 0.35m, 0.3m, 0.25m and 0.2m in sequence.
Furthermore, the distance between each of the 4 support rings is 0.5m, and the distance between the support ring with the diameter of 0.35m and the middle section is 0.5 m.
Furthermore, the former support ring is bound with inverted beards sewed by the net sheets extending into the latter support ring.
The utility model has the advantages of as follows:
when fishes touch the side surface of the ground cage net, the existing hat-type ground cage is large at the top and small at the bottom, the side surface has the guiding property for enabling the fishes to swim downwards, the influence of the guiding property of the side surface on the shrimps and crabs is small, the probability that the fishes "flip over" from the upper surface of the ground cage is small, the fishes easily enter the ground cage through the opening after swimming downwards, and the occupation ratio of the fishes in the caught fish catch is higher than that of the shrimps and crabs after the fishes enter the hat-type ground cage. The semicircular ground cage net of the utility model adopts a semicircular frame with a small upper part and a big lower part, so that the side surface of the ground cage has the guidance for enabling fishes to swim upwards, thereby enabling flexible fishes to swim over the ground cage and reducing the catching rate of the fishes; the inflexible shrimps and crabs are not influenced or less influenced by guidance, so that the fish occupation ratio in the caught fish is higher than that of the shrimps and crabs. When fishing, the fishes are relatively easy to avoid being fished, and the fish resources are protected; the catching rate of the shrimps and crabs is not influenced, and the shrimps and crabs can catch external species such as procambarus clarkii and the like; thereby improving the abilities of catching foreign species and protecting the original fish resources.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the range which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a schematic structural diagram of a ground cage with a cap in the background art;
FIG. 2 is a top view of a prior art ground cage with a cap;
fig. 3 is a schematic structural view of a semicircular ground cage net provided in embodiment 1 of the present invention;
fig. 4 is a cross-sectional view of a semicircular ground cage provided in embodiments 1 and 2 of the present invention;
fig. 5 is a partial view of a semicircular ground cage net provided in embodiment 1 of the present invention;
fig. 6 is a top view of a semicircular ground cage net provided in embodiment 1 of the present invention;
fig. 7 is a top view of a semicircular ground cage according to embodiment 2 of the present invention.
In the figure: 1-middle section, 2-bag net, 3-polyethylene silk screen bolting silk, 4-frame, 5-opening, 6-support ring.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Example 1
As shown in FIGS. 3 to 6, example 1 provides a semicircular gabion mesh having a length of 17m divided into three sections, a middle section 1 having a length of 11m and two ends each having a length of 3.0m of the bag net 2. The middle section 1 is divided into 22 grades by 23 semicircular frames 4, each grade is wrapped by polyethylene silk screen bolting silk 3, the distance between each grade is 0.5m, and two sides of each grade are respectively provided with an opening 5 with inverted beard. The frame 4 is formed by 8-size lead wires (diameter is 4.0mm), the net width is 0.5m, the net height is 0.35m, the length of the lower frame of the semicircular frame 4 is 0.5m, the length of the left frame and the right frame of the rectangular frame 4 is 0.1m, the top of the rectangular frame is semicircular with the diameter of 0.5m, compared with the existing frame, the frame is not trapezoidal with large top and small bottom, so that the frame does not have a 'cap', and the side surface does not have guidance. 4 supporting rings 6 which are sequentially arranged from inside to outside are arranged in the bag net 2, the diameters of the supporting rings are sequentially phi 0.35m, phi 0.3m, phi 0.25m and phi 0.2m, the distance between each of the 4 supporting rings 6 and the middle section 1 is 0.5m, and inverted whiskers which are sewn by net sheets extending into the next supporting ring 6 are pricked in the previous supporting ring 6.
When fishes touch the side surface of the ground cage net, the existing hat-type ground cage is large at the top and small at the bottom, the side surface has the guiding property for enabling the fishes to swim downwards, the influence of the guiding property of the side surface on the shrimps and crabs is small, the probability that the fishes "flip over" from the upper surface of the ground cage is small, the fishes easily enter the ground cage through the opening 5 after swimming downwards, and the occupation ratio of the fishes in the caught fish catch is higher than that of the fishes, shrimps and crabs after the fishes enter the hat-type ground cage. The semicircular ground cage net of the utility model is no longer in a trapezoid shape with a large top and a small bottom (has a downward guidance), the frame 4 adopts a semicircular frame to be in a large bottom and a small bottom, so that the guidance of the side surface of the ground cage is upward, flexible fishes can easily swim from the upper surface of the ground cage, the fish passing effect is good, the fishing of the fishes is reduced, and fish resources are protected; the fishing rate of the shrimps and crabs is slightly or not influenced by the guidance, the fishing of the shrimps and crabs is not influenced, and the external species of the procambarus clarkii and the like can be fished; the capability of catching foreign species and protecting original fish resources is further improved, the side surface has no guidance, and the catching rate of fish is reduced, so that the fish occupation ratio in the caught fish is higher than that of shrimps and crabs. When fishing, the fishes are relatively easy to avoid being fished, and the fish resources are protected; the catching rate of the shrimps and crabs is not influenced, and the shrimps and crabs can catch external species such as procambarus clarkii and the like; thereby improving the abilities of catching foreign species and protecting the original fish resources.
Example 2
As shown in fig. 4 and 7, two sides of each rail are respectively provided with an opening 5 with barbs, and the positions of the openings 5 on the two sides are the same. The positions of the openings 5 are the same, flexible fishes enter the ground cage from one opening 5 and can escape from the other buckle 5, and shrimps and crabs are not flexible and are not easy to escape from the ground cage from the aligned opening 5, so that the selective multi-capture of shrimp and crab organisms is realized.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a semicircle type ground cage net, its characterized in that includes the middle section and establishes the bag net at the middle section both ends, and the middle section mainly falls into n shelves by n +1 semicircle frame, and every shelves outsourcing seam polyethylene silk screen net spun silk constitutes, and wherein n is for being greater than zero natural number, and each shelves both sides respectively open one has the opening of falling palpus, semicircle frame encloses by the lead wire and becomes.
2. A semi-circular gabion mesh according to claim 1, wherein the lower rim of the semi-circular frame is 0.5m long and the height of the semi-circular frame is 0.35 m.
3. A semi-circular gabion mesh according to claim 2, wherein n-22.
4. A semicircular ground cage net according to claim 3, wherein the semicircular ground cage net is 17m long, 3m long, 11m long in middle section, and 0.5m apart in each gear.
5. A semi-circular ground cage net according to claim 1, wherein the semi-circular frame is surrounded by number 8 lead wires.
6. A semicircular ground cage net according to claim 1, wherein 4 supporting rings are arranged in the bag net from inside to outside, and the diameters of the 4 supporting rings are 0.35m, 0.3m, 0.25m and 0.2m in sequence.
7. A semicircular gabion mesh according to claim 6, wherein the 4 bracing loops are spaced apart by 0.5m each, and the bracing loop having a diameter of 0.35m is spaced apart from the central section by 0.5 m.
8. A semicircular gabion mesh according to claim 6, wherein the former support ring is bound with inverted whiskers sewn through the mesh sheet extending into the latter support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021474230.9U CN212852231U (en) | 2020-07-23 | 2020-07-23 | Semicircular ground cage net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021474230.9U CN212852231U (en) | 2020-07-23 | 2020-07-23 | Semicircular ground cage net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212852231U true CN212852231U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021474230.9U Active CN212852231U (en) | 2020-07-23 | 2020-07-23 | Semicircular ground cage net |
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| Country | Link |
|---|---|
| CN (1) | CN212852231U (en) |
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2020
- 2020-07-23 CN CN202021474230.9U patent/CN212852231U/en active Active
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