CN220875598U

CN220875598U - Device is catched to australia freshwater lobster shrimp seedling

Info

Publication number: CN220875598U
Application number: CN202322343426.4U
Authority: CN
Inventors: 李庆龙; 李文辉; 李永吉; 陈必成; 李建平; 李向前; 李立新; 张小洋
Original assignee: Hunan Liziquan Agricultural Technology Co ltd
Current assignee: Hunan Liziquan Agricultural Technology Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-05-03
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a device for catching crayfish fries in Australia, which comprises a netting, iron rings, a crayfish cone cover and a tying mouth, wherein a plurality of iron rings are sewn and fixed on the inner side of the netting, a plurality of crayfish cone covers with inner ends open are sewn and fixed at the openings on the two sides of the netting, the tying mouth is sewn and fixed at the opening on one end of the netting, a supporting rod is arranged on one side of the netting, a sliding box is fixed on the side of the front face of the supporting rod through a bearing, a first hanging plate capable of transversely sliding is inserted in the sliding box, two hanging ropes are tied on the bottom ends of the pulling ropes, a second hanging plate is fixed on the bottom ends of the hanging ropes, and the netting is detachably fixed below the second hanging plate. This kind of device is catched to australia freshwater lobster shrimp seedling utilizes the mechanization to replace artifical net unloading and net lifting, labour saving and time saving, convenient and fast can effectively improve and catch efficiency, pulls the net to be fixed in the second hanger plate below directly, lets the net just keep pulling straight state before going into water, then puts it in water again, can effectively avoid the net folding phenomenon of putting in, is favorable to catching more shrimp seedlings.

Description

Device is catched to australia freshwater lobster shrimp seedling

Technical Field

The utility model relates to the field of shrimp larvae catching for lobster culture, in particular to an Australian freshwater lobster larvae catching device.

Background

The Australian freshwater lobster is one of the most rare freshwater economic shrimp species in the world at present, is also a famous excellent freshwater aquaculture species introduced in recent years in China, and at present, when the Australian freshwater lobster fries are harvested and cultured by us, the ground cage net is utilized for fishing, however, the following defects exist when the ground cage net is manually dragged to catch the fries under water: 1. the ground cage net is difficult to stretch out, so that the fishing efficiency is affected; 2. the net falling and net lifting are relatively laborious, which is a common technical problem for fishing shrimp larvae by using the ground cage net and is a problem which needs to be solved by a person skilled in the art.

In order to solve the problems, the device for catching the young freshwater lobsters in Australia is provided, and aims at overcoming the defects of the prior art.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, provides a device for catching the young freshwater lobsters in Australia, and provides the following technical scheme for solving the technical problems:

The utility model discloses a device for catching young freshwater lobsters in Australia, which comprises a cylindrical net, iron rings, a shrimp catching cone cover and a tying mouth, wherein a plurality of iron rings are sewn and fixed on the inner side of the net, a plurality of shrimp catching cone covers with inner ends open are sewn and fixed at the openings on two sides of the net, the tying mouth is sewn and fixed at the opening on one end of the net, lifting lugs are fixed on the iron rings, the net is shifted through a rotating mechanism, the rotating mechanism comprises a supporting rod, a sliding box, a first hanging plate, a pull rope, hanging ropes and a second hanging plate, the supporting rod is arranged on one side of the net, the sliding box is fixed on the side of the front face of the supporting rod through a bearing, the first hanging plate capable of transversely sliding is inserted in the sliding box, a drawable pull rope is inserted at the end part of the first hanging plate, two hanging ropes are bound at the bottom end of the pull rope, the second hanging plate is fixed at the bottom end of the hanging rope, and the net is detachably fixed below the second hanging plate.

Preferably, the sliding box is internally provided with an upper pressing roller and a lower pressing roller which can roll, the upper pressing roller is positioned above the lower pressing roller, the two lower pressing rollers are positioned on the same horizontal line, the first hanging plate penetrates through a gap between the upper pressing roller and the lower pressing roller, and the upper shell of the sliding box is inserted with a compression screw.

Preferably, a plurality of support plates are fixed at the bottom of the second hanging plate, bolts are fixed at the bottoms of the side sides of the support plates, and the lifting lugs are sleeved on the corresponding bolts and are pressed and fixed through nuts.

Preferably, the upper end of the pull rope is tied and fixed at the upper end of the support rod.

Preferably, one end of the netting, which is far away from the tying opening, is sealed by a filter screen, and the inner wall of the iron ring is also fixed with a hanging ring, and a binding rope is bound on the hanging ring.

Preferably, a guide roller is further fixed above the end part of the first hanger plate, and the pull rope is arranged on the guide roller.

Compared with the prior art, the utility model has the following beneficial effects: 1. the netting is hung below the rotating mechanism, the rotating mechanism is utilized to lift, descend and shift the netting, the netting can be quickly and conveniently put into a nearby fishing area, the mechanization is adopted to replace manual net-falling and net-lifting, time and labor are saved, the net-lifting is convenient and quick, and the fishing efficiency can be effectively improved; 2. the net is fixed below the second hanging plate in a pulling-up manner, so that the ground cage net is kept in a pulling-up state before entering water, and then is put into water, the phenomenon that the net is folded and put in can be effectively avoided, more shrimp seedlings can be caught, the defects in the prior art are overcome, and the practicability is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the slide case of the present utility model;

FIG. 3 is a schematic view of the present utility model in cross-section of a netting;

Fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a netting; 2. an iron ring; 3. a shrimp-catching cone cover; 4. lifting lugs; 5. tying; 6. a support rod; 7. a slide box; 8. a first hanger plate; 9. a pull rope; 10. a hanging rope; 11. a second hanger plate; 12. an upper press roll; 13. a lower press roll; 14. a compression screw; 15. a support plate; 16. a bolt; 17. binding ropes; 18. and a guide roller.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples

As shown in fig. 1-4, an apparatus for catching young freshwater lobsters in australia comprises a cylindrical net 1, iron rings 2, a shrimp catching cone cover 3 and a tying 5, wherein a plurality of iron rings 2 are sewn and fixed on the inner side of the net 1, a plurality of shrimp catching cone covers 3 with inner ends open are sewn and fixed on the openings on the two sides of the net 1, a tying 5 is sewn and fixed on the openings on one end of the net 1, a ground cage net fry is formed and caught, lifting lugs 4 are fixed on the iron rings 2 and used for fixing the ground cage net directly below a first hanging plate 8, the net 1 is shifted through a rotating mechanism, the rotating mechanism comprises a supporting rod 6, a slide box 7, a first hanging plate 8, a pull rope 9, a hanging rope 10 and a second hanging plate 11, one side of the net 1 is provided with the supporting rod 6, the slide box 7 is fixed on the side of the front side of the supporting rod 6 through a bearing, the bearing sleeve is fixed on the supporting rod 6, the back of the slide box 7 is fixed on the outer ring of the bearing, the slide box 7 is inserted and can rotate around the supporting rod 6, so that the first hanging plate 8 can swing, the first hanging plate 10 can be fixed on the bottom end of the net 1 can be quickly and the second hanging plate 11 can be effectively and quickly removed, the first hanging plate can be effectively fixed on the bottom end of the net 1, and the first hanging plate can be quickly and fixed on the first hanging plate 11, and the first hanging plate can be quickly and easily and conveniently and quickly fixed.

In this embodiment, the upper press roller 12 and the lower press roller 13 capable of rolling are disposed in the slide box 7, the upper press roller 12 is located above the lower press roller 13, the two lower press rollers 13 are located on the same horizontal line, the first hanger plate 8 passes through a gap between the upper press roller 12 and the lower press roller 13, so that the first hanger plate 8 stretches into and contracts conveniently, the azimuth of the netting 1 is adjusted, and the upper shell of the slide box 7 is inserted with the compression screw 14 for fixing the first hanger plate 8.

In this embodiment, a plurality of mounting plates 15 are fixed to the bottom of second hanger plate 11, and the avris bottom of mounting plate 15 is fixed with bolt 16, and lug 4 cover is fixed on corresponding bolt 16 and compress tightly through the nut, is convenient for tear straight fixedly with net 1, avoids net 1 fold to influence the fishing effect.

In the embodiment, the upper end of the pull rope 9 is tied and fixed on the upper end of the support rod 6, so that the netting 1 is prevented from drifting away when suspended in water.

In this embodiment, the end of the netting 1 far away from the tying 5 is sealed by the filter screen, so that the shrimp larvae can only enter the netting 1 through the shrimp capturing cone cover 3, thereby enclosing the shrimp larvae in the netting 1, and the inner wall of the iron ring 2 is also fixed with a hanging ring, and the hanging ring is tied with a binding rope 17 for suspending and binding baits to induce the shrimp larvae to enter the netting 1.

In this embodiment, a guide roller 18 is further fixed above the end of the first hanger plate 8, and the pull rope 9 is mounted on the guide roller 18, so that the pull rope 9 can be easily retracted and released, and physical strength is saved.

The principle and the advantages of the utility model are that: the support rod 6 is inserted and fixed on the bank of the shrimp larva catching area, the bait is tied on the tying rope 17 through the shrimp larva catching cone cover 3, the bait is suspended in the net 1, the bait is used for attracting shrimp larva, then the tying opening 5 is tied up, then the net 1 is pulled straight, the lifting lug 4 on the iron ring 2 is sleeved on the bolt 16 at the bottom of the first hanging plate 8, the lifting lug 4 is fixed on the bolt 16 by screwing a nut at the outer end of the bolt 16, thus the net 1 is pulled straight and fixed below the first hanging plate 8, then the first hanging plate 8 is pushed forward, the net 1 is lifted to extend to the right above the net lowering area, the first hanging plate 8 can be swung to move and adjust the net 1, after the net lowering position is determined, the screw 14 is screwed down, the inner end of the net is firmly extruded on the first hanging plate 8, thus the first hanging plate 8 is firmly fixed on the sliding box 7, the pull rope 9 tied on the upper end of the support rod 6 is loosened when the net is lowered, the net 1 can be sunk into the water by self gravity, the net 1 can be suspended in the water, then the upper end of the pull rope 9 is tied on the supporting rod 6, the net 1 is pulled and fixed, the net 1 is prevented from drifting away when suspended, net falling operation is completed, the bait attracts the shrimp larvae near the net 1, the shrimp larvae enter the net 1 through the opening inside the shrimp-catching cone cover 3 to eat, the shrimp larvae are difficult to come out after entering the net 1 due to the small opening inside the shrimp-catching cone cover 3, the net can be caught in the net 1, the pull rope 9 is pulled upwards to pull the net 1 out of the water surface when the net is lifted, then the net 1 is turned to the shore, the second hanging plate 11 is obliquely lifted, the tying opening 5 is downward, the tying opening 5 is unbuckled, the shrimp larvae caught in the net 1 are poured out, the shrimp larvae in the shrimp-catching device with the Australian freshwater by adopting the structural design can replace artificial net falling and net lifting, the utility model has the advantages of labour saving and time saving, convenient and fast can effectively improve and catch efficiency, pulls out the net 1 and directly is fixed in first hanger plate 8 below, lets net 1 just keep pulling out the state of straightly before going into water, then puts in it in the aquatic, can effectively avoid net 1 folding the phenomenon of putting in, is favorable to catching more shrimp fries to solve the defect among the prior art, improve the practicality.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a device is catched to australian freshwater lobster shrimp seedling, includes drum column structure's net (1), hoop (2), catches shrimp awl cover (3) and tie (5), the inboard of net (1) is sewed up and is fixed with a plurality of hoop (2), the opening part of net (1) both sides has still sewed up a plurality of inner open-ended shrimp awl covers (3), tie (5) are sewed up to the opening part of net (1) one end, its characterized in that: lifting lugs (4) are fixed on the iron ring (2), and the netting (1) shifts through a rotating mechanism, the rotating mechanism comprises a supporting rod (6), a sliding box (7), a first hanging plate (8), a pull rope (9), hanging ropes (10) and a second hanging plate (11), one side of the netting (1) is provided with the supporting rod (6), the sliding box (7) is fixed on the side of the front side of the supporting rod (6) through a bearing, the sliding box (7) is internally inserted with the first hanging plate (8) capable of transversely sliding, the end part of the first hanging plate (8) is inserted with a drawable pull rope (9), two hanging ropes (10) are bound at the bottom end of the pull rope (9), the bottom of the hanging ropes (10) is fixedly provided with the second hanging plate (11), and the netting (1) is detachably fixed below the second hanging plate (11).

2. An australian freshwater lobster larva fishing device as claimed in claim 1, wherein: the novel roller type roller is characterized in that a rolling upper pressing roller (12) and a rolling lower pressing roller (13) are arranged in the sliding box (7), the upper pressing roller (12) is located above the lower pressing roller (13), the two lower pressing rollers (13) are located on the same horizontal line, the first hanging plate (8) penetrates through a gap between the upper pressing roller (12) and the lower pressing roller (13), and a pressing screw (14) is inserted into an upper shell of the sliding box (7).

3. An australian freshwater lobster larva fishing device as claimed in claim 1, wherein: the bottom of second hanger plate (11) is fixed with a plurality of mounting panels (15), the avris bottom of mounting panel (15) is fixed with bolt (16), lug (4) cover is fixed on corresponding bolt (16) and compresses tightly through the nut.

4. An australian freshwater lobster larva fishing device as claimed in claim 1, wherein: the upper end of the pull rope (9) is tied and fixed at the upper end of the support rod (6).

5. An australian freshwater lobster larva fishing device as claimed in claim 1, wherein: one end of the netting (1) far away from the tying (5) is sealed through a filter screen, and the inner wall of the iron ring (2) is also fixed with a hanging ring, and a binding rope (17) is bound on the hanging ring.

6. An australian freshwater lobster larva fishing device as claimed in claim 1, wherein: a guide roller (18) is also fixed above the end part of the first hanging plate (8), and the pull rope (9) is lapped on the guide roller (18).