CN218451314U

CN218451314U - Automatic crayfish trapping apparatus

Info

Publication number: CN218451314U
Application number: CN202222936190.0U
Authority: CN
Inventors: 魏敏; 卢朝发; 孙雨琰; 李德盛; 单昕; 刘旭晓; 管彬; 姚顺; 邓翔峰; 李志杰; 宋杰
Original assignee: Jiangsu Ocean University
Current assignee: Jiangsu Ocean University
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-07
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses an automatic change crayfish trapping apparatus, including PVC fretwork pipeline, square collection shrimp cage and driving motor, the mount is all installed to the both ends bottom of PVC fretwork pipeline, the end cover is installed to the one end of PVC fretwork pipeline, the other end of PVC fretwork pipeline is equipped with threaded connection, the inside of PVC fretwork pipeline is equipped with piston end cap, the bottom both sides of PVC fretwork pipeline all are equipped with a plurality of and lure the shrimp hole, the one end of PVC fretwork pipeline inserts into the shrimp hole of advancing of square collection shrimp cage side, catch ground cage needs frequent washing in the results in order to solve the crayfish, easy damaged and life is short, the operation wastes time and energy the class of reality problem. The utility model discloses the device can guarantee: the inner space of the main pipeline is large, and the capture amount is large; the culture period is used, and cleaning is not needed; the product is not easy to be damaged and has long service life (more than 10 years); the operation is time-saving and labor-saving; the catching device can be freely combined according to the actual conditions of the aquaculture water body, and is flexible and changeable in use.

Description

Automatic crayfish trapping apparatus

Technical Field

The utility model relates to an aquaculture field specifically is an automatic change cray trapping apparatus.

Background

At present, crayfish catch device is exactly the ground cage, and the ground cage uses metal framework and plastic fiber netting to constitute (square or circular) usually, and ground cage both sides interval is provided with a lot of and lures the shrimp hole, lures the porthole of shrimp for the horn-shaped net gape (fish, shrimp can only advance can not go out), and the both ends of ground cage net are conical fishing net bag, thereby is caught by luring behind the shrimp hole entering ground cage net by the misleading and climbing into the fishing bag that is located both ends when the crayfish. The ground cage is suitable for the water areas with slow water flow, such as farms, personal fishponds, reservoir shallow water areas, brooks or lakes and the like. However, the ground cage has a series of problems and disadvantages in the use process:

1. frequent cleaning is required: after the old ground cage is used for a long time, peculiar smell or odor exists on the old ground cage, which is the bad smell generated by hydrogen sulfide and organic nitrogen generated after attached various excreta and other various algae residues are rotten in the usual fishing process, and the ground cage net must be thoroughly washed and exposed to the sun after being used for 7-10 days; if the ground cage is washed irregularly, the fishing amount of the ground cage is reduced.

2. Easy breakage, short service life: after the ground cage is used for a long time, the metal framework is easy to rust and break and the plastic fiber netting is easy to weathering and damage; in addition, the water and mice in the pond bite the netting, the netting is artificially scratched and the like, so that the service life of the ground cage is less than two years.

3. The operation wastes time and energy: the cultivation of the rice shrimps is staged and batch-caught from the beginning of 5 months to the beginning of 9 months. 3-4 ground cages (about 10 meters) are needed in each mu of pond, 300-400 ground cages are needed in 100 mu of paddy field, the workload of shrimp harvesting is huge, a large amount of labor force is consumed, and therefore the automatic crayfish catching device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the defect of prior art, provide an automatic change cray trapping apparatus to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic change crayfish trapping apparatus, includes PVC fretwork pipeline, square shrimp cage and driving motor that collects, the mount is all installed to the both ends bottom of PVC fretwork pipeline, the end cover is installed to the one end of PVC fretwork pipeline, the other end of PVC fretwork pipeline is equipped with threaded connection, the inside of PVC fretwork pipeline is equipped with piston end cap, the bottom both sides of PVC fretwork pipeline all are equipped with a plurality of and lure the shrimp hole, the one end of PVC fretwork pipeline inserts into the shrimp hole of advancing of square shrimp cage side, driving motor installs on the gear box, first take-up reel and second take-up reel are installed respectively to the both sides of gear box.

As the utility model discloses an optimal technical scheme, the end cover adopts the screwed rigid plastic net bars lid, the end cover passes through the screw thread with PVC fretwork pipeline and links to each other, the pipeline length 10 meters of PVC fretwork pipeline, diameter 50 centimetres, the entrance to a cave reflection diameter 15 centimetres that lures the shrimp hole.

As the utility model discloses a preferred technical scheme, one side of piston end cap is passed through the rope and is linked to each other with first take-up reel, the opposite side of piston end cap passes through the rope and links to each other with the second take-up reel.

As a preferred technical scheme of the utility model, first take-up reel and second take-up reel all link to each other through the gear fixation in connecting axle and the gear box, driving motor passes through the bolt fastening with the gear box and links to each other, and first take-up reel and second take-up reel and gear box constitute two-way strander.

As a preferred technical scheme of the utility model, the piston type plug is a hollow cylinder made of hard PVC plastic, the diameter of the bottom surface of the hollow cylinder is 40cm, and the height of the hollow cylinder is 40 cm; the periphery of the piston type plug is connected with a tough rigid plastic brush, and the centers of two ends of the piston type plug are provided with rope buckles capable of being connected with ropes.

As an optimized technical scheme of the utility model, it sets up to detachable horn shape inverted beard mouth to lure the shrimp hole, and in the inverted beard deepened PVC fretwork pipeline, the inverted beard was the stereoplasm plastic strip that has certain elasticity.

As a preferred technical scheme of the utility model, the mount divide into two parts from top to bottom, and the lower part is the long single stainless steel leg support of 1m, and the support tip is sharp-pointed, and two semicircle stainless steel rings about being on upper portion, two semicircle stainless steel ring one end pass through the hinge and link to each other, and other end accessible activity buckle is connected, and lower semicircle ring is in the same place with single stainless steel leg scaffold weldment.

As a preferred technical scheme of the utility model, square collection shrimp cage is crayfish and concentrates the district, and the length of compriseing PVC tubule skeleton and nylon wire is wide 1.5m 1m 1.5m's square shrimp cage, and it leaves circular hole with PVC fretwork pipe connection position, and diameter 50cm has the dodge gate net above, and collection shrimp cage top leaves the recess that supplies the rope to pass through, sets up out the shrimp door in its one side.

As a preferred technical scheme of the utility model, install corrosion resistant plastic pulley and steel anticreep rope frame on the PVC fretwork pipeline, install to PVC fretwork pipeline's both ends through the screw after corrosion resistant plastic pulley and the equipment of steel anticreep rope frame are accomplished.

The utility model has the advantages that:

1. the main pipeline inner space is big, and the volume of catching is big: the unit device main body adopts a hollowed-out PVC pipeline (10 meters in length, 50cm in diameter and with threads at two ends), one end of the hollow-out PVC pipeline is sealed by a hard plastic mesh grid with threads, the opening at the other end of the hollow-out PVC pipeline is inserted into a square shrimp collecting cage (1.5m. 1m. 1.5m), and the upper part of the square shrimp collecting cage leaks out of the water surface (so that the crayfish is prevented from being killed by oxygen deficiency); a piston type plug (a rigid plastic brush is arranged around the piston type plug), shrimp inducing holes (with inverted shadow diameter of 15 cm) are arranged at intervals at the two sides of the pipeline, the shrimp inducing holes are detachable horn-shaped inverted beard openings, and inverted beards are rigid plastic strips (the piston type plug does not influence the back and forth movement of the piston type plug in the main pipeline); the space in the main pipeline is large, after the shrimps enter the main pipeline, the shrimps can freely crawl into the square shrimp collecting cage, and the upper part of the shrimps leaks out of the water surface, so that the crayfishes are prevented from being dead due to oxygen deficiency.

2. The culture period is used, and cleaning is not needed. The device main part adopts the fretwork PVC pipeline, set up a piston end cap in the pipeline, the piston end cap has tough rigid plastic brush all around, receive the shrimp and when placing, piston end cap (rigid PVC plastics material, bottom surface diameter 40cm, high 40 cm's fretwork cylinder) round trip movement in the pipeline, the piston end cap has tough rigid plastic brush all around except that playing and driving all crayfish that get into in the main part pipeline to square collection shrimp cage, can also effectually clear away adnexed debris of pipeline inner wall and alga. So use when season and need not the clearance basically, use the back when season, withdraw the main part pipeline, only need use high-pressure squirt to wash attached debris and the alga of main part pipeline outer wall, wash to dry and pack up, wait to next cultivation cycle and use, only need once the outer wall pipeline of clearance when breeding the cycle and using in season promptly.

3. Not easy to be broken, long service life (more than 10 years): the device main body adopts a hollow PVC pipeline, is durable and has a service life as long as 50 years; the other accessories are made of corrosion-resistant plastic materials, and the service life is as long as 50 years; the service lives of the motor (1.1kw, 1.5hp) and the rope winder are more than 10 years, so that the whole service life of the whole set of equipment reaches more than 10 years.

4. The operation saves time and labor: when the shrimps are collected, the forward switch is turned on, the motor drives the rope coiling device to be wound back to the piston type plug through the rope (the periphery of the piston type plug is provided with the hard plastic hairbrush and stops when the hard plastic hairbrush reaches the head of the main pipeline and meets four arranged protruding points), all the crayfish in the pipeline is caught in the movable square shrimp collecting cage, a worker only needs to lift the square shrimp collecting cage and pour out the crayfish, after the shrimps are collected, only the food inducing bag (hung on the rope connected with the piston type plug) is needed to be replaced and the reverse switch is turned on, and the piston type plug is pulled back to the bottom end of the main pipeline (automatically stopped after reaching the bottom); in order to facilitate the large-scale catching and harvesting of shrimps by farmers with large culture areas, all unit devices (motors) can be set to be in one-key linkage, so that the labor force is greatly reduced, and a large amount of harvesting time is saved.

5. The combination is free, and is flexible and changeable in use: the main pipeline of the basic unit is 10 meters, threads are arranged at two ends of the pipeline, and 2 main pipelines of the unit can be connected by using a connecting sleeve; therefore, 2-3 units can be freely combined according to the actual situation of the crayfish breeding circular ditch in the pond, and only one motor is needed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the internal structure of the PVC hollow pipe of the present invention;

FIG. 5 is a schematic view of the structure of the shrimp luring cavity of the present invention;

fig. 6 is a schematic structural view of the piston plug of the present invention.

In the figure: PVC fretwork pipeline 1, rope 2, lure shrimp hole 3, mount 4, end cover 5, advance shrimp hole 6, square shrimp collection cage 7, first take-up reel 8, driving motor 9, gear box 10, second take-up reel 11, piston end cap 12, wire outlet 13, screwed joint 14.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

The embodiment is as follows: referring to fig. 1-6, the present invention provides a technical solution: the utility model provides an automatic change crayfish trapping apparatus, including PVC fretwork pipeline 1, square collection shrimp cage 7 and driving motor 9, mount 4 is all installed to PVC fretwork pipeline 1's both ends bottom, end cover 5 is installed to PVC fretwork pipeline 1's one end, PVC fretwork pipeline 1's the other end is equipped with screwed joint 14, PVC fretwork pipeline 1's inside is equipped with piston end cap 12, PVC fretwork pipeline 1's bottom both sides all are equipped with a plurality of and lure shrimp hole 3, the one end of PVC fretwork pipeline 1 inserts in the shrimp hole 6 that advances of square collection shrimp cage 7 side, driving motor 9 installs on gear box 10, first take-up reel 8 and second take-up reel 11 are installed respectively to gear box 10's both sides.

The end cover 5 adopts a hard plastic mesh grid cover with threads, the end cover 5 is connected with the PVC hollow pipeline 1 through the threads, the length of the PVC hollow pipeline 1 is 10 meters, the diameter of the PVC hollow pipeline is 50 centimeters, the inverted image diameter of the opening of the shrimp luring hole 3 is 15 centimeters, and the other end of the PVC hollow pipeline is opened and inserted into the square shrimp collecting cage; shrimp inducing holes are arranged on the two sides at intervals, and crayfishes are induced to enter the main pipeline.

One side of the piston type plug 12 is connected with the first take-up reel 8 through the rope 2, and the other side of the piston type plug 12 is connected with the second take-up reel 11 through the rope 2.

The first take-up reel 8 and the second take-up reel 11 are fixedly connected with a gear in the gear box 10 through connecting shafts, the driving motor 9 is fixedly connected with the gear box 10 through bolts, the first take-up reel 8, the second take-up reel 11 and the gear box 10 form a bidirectional rope twister, the bidirectional rope twister is driven to pull the piston type plug 12 in the PVC hollow pipeline 1 to freely move back and forth, and when the driving motor 9 rotates forwards, the piston type plug 12 can be pulled to an opening of a main pipeline; when the driving motor 9 rotates reversely, the piston plug 12 can be pulled to the closed position of the main pipeline, and the traction rope is made of anti-skid corrosion-resistant polyethylene fiber, so that the anti-skid anti-corrosion polyethylene fiber is durable and wear-resistant, and the service life is long; in order to improve the shrimp catching capacity of the device, the traction rope is also provided with knots for hanging the bait bags.

The piston type plug 12 is a hollow cylinder made of hard PVC plastic and with the bottom surface diameter of 40cm and the height of 40 cm; the periphery of the piston type plug 12 is connected with a tough hard plastic brush, the centers of two ends of the brush are provided with a rope buckle capable of being connected with a rope, and the brush can move back and forth in the main pipeline by being pulled by a motor, so that the effect of driving shrimps to enter the square shrimp collecting cage and washing the inner wall of the main pipeline is achieved.

Luring shrimp hole 3 and setting up to detachable horn shape inverted beard mouth, inverted beard is deepened in PVC fretwork pipeline 1, inverted beard is for having certain elastic stereoplasm plastic strip, and the setting of horn shape inverted beard mouth can make crayfish can't escape after getting into the main part pipeline, and elastic stereoplasm plastic strip inverted beard sets up, neither hinders crayfish and climbs into, does not influence piston end cap back and forth movement in the main part pipeline yet.

The fixing frame 4 is divided into an upper part and a lower part, the lower part is a single stainless steel leg support with the length of 1m, and the end part of the support is sharp, so that the support can be conveniently inserted into bottom mud of the pond; upper portion is two semicircle stainless steel rings about for, and two semicircle stainless steel ring one end link to each other through the hinge, and other end accessible activity buckle is connected, and lower semicircle ring is in the same place with single stainless steel leg scaffold weldment. After the PVC pipeline is fixed through the two semicircular rings, the single stainless steel leg support below is inserted into the bottom mud of the pond, and the effect of fixing the shrimp catching main body pipeline device is achieved.

The square shrimp collecting cage 7 is a crayfish concentrating area, the length, the width and the height of the square shrimp cage which is composed of a PVC thin tube framework and a nylon net are 1.5m, 1m and 1.5m, a round hole is reserved at the connecting position of the square shrimp collecting cage and the PVC hollowed-out pipeline 1, the diameter of the square shrimp collecting cage is 50cm, a movable door net is arranged above the square shrimp collecting cage, when a shrimp is collected, a main pipeline is taken out, the movable door net automatically falls down to prevent the crayfish from escaping, a groove for a rope to pass through is reserved at the top of the shrimp collecting cage, a shrimp door is arranged on one side of the shrimp collecting cage, and the crayfish in the square shrimp collecting cage can be quickly poured out by opening the shrimp door.

Install corrosion resistant plastic pulley and steel anticreep rope frame on the PVC fretwork pipeline 1, on corrosion resistant plastic pulley and the equipment of steel anticreep rope frame were accomplished the back through screw installation to PVC fretwork pipeline 1's both ends, the haulage rope runs through wherein, easily rope pulls.

The working principle is as follows: an automatic crayfish catching device comprises a PVC hollow pipeline 1, a square shrimp collecting cage 7 and a driving motor 9, wherein one end of the PVC hollow pipeline 1 is sealed by an end cover 5, two sides of the PVC hollow pipeline are provided with a horn-shaped inverted shrimp inducing hole 3, and then a piston type plug 12 with two ends connected with a traction rope is placed in the PVC hollow pipeline 1; fixing 3 fixing frames 4 at two ends and the center of a main pipeline respectively, and fixing the PVC hollow pipeline 1 at a specific position of a pond by inserting leg brackets of the fixing frames into bottom mud of the pond; the open end of the PVC hollow pipeline 1 is inserted into a round hole at one side of the square shrimp collecting cage 7 and extends into the round hole by 40cm (a grid is arranged at a position 40cm away from the open end); and finally, the traction ropes at the two ends of the piston type plug 12 are respectively connected to a rope twisting device provided with a motor in the forward and reverse directions, in addition, 2-3 units can be freely combined according to the actual situation of the crayfish breeding annular ditch in the pond, and only a joint with threads (a short pipe with the inner diameter of 50 cm) is added at the joint of every two main pipelines.

And (3) practice operation:

the farmers can determine the shrimp catching furrows according to the difference of the cultivation fields and put the device into the furrows after the determination. In the process of catching the shrimps, a motor positive rotation switch is turned on, all the crayfishes in the PVC hollow pipeline 1 are automatically pulled into the square shrimp collecting cage through a piston type plug 12 in the PVC hollow pipeline 1, and the shrimps in the square shrimp collecting cage 7 can be collected after all the crayfishes enter the square shrimp collecting cage 7; after receiving the shrimp, put back empty square collection shrimp cage 7 again, open motor reverse rotation switch, pull back piston end cap 12 and draw the closed end of PVC fretwork pipeline 1, in addition, in order to conveniently breed the great raiser of area and catch in a large number and receive the shrimp, still can set all unit device (motors) to a key linkage and receive the shrimp, very big reduction hand labor power and practiced thrift the harvest time, whole receipts shrimp operation process is simple, and is efficient, and artifical the participation is few.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides an automatic change crayfish trapping apparatus, includes PVC fretwork pipeline (1), square collection shrimp cage (7) and driving motor (9), its characterized in that: mount (4) are all installed to the both ends bottom of PVC fretwork pipeline (1), end cover (5) are installed to the one end of PVC fretwork pipeline (1), the other end of PVC fretwork pipeline (1) is equipped with screwed joint (14), the inside of PVC fretwork pipeline (1) is equipped with piston end cap (12), the bottom both sides of PVC fretwork pipeline (1) all are equipped with a plurality of and lure shrimp hole (3), the one end of PVC fretwork pipeline (1) is inserted in shrimp hole (6) of advancing of square collection shrimp cage (7) side, driving motor (9) are installed on gear box (10), first take-up reel (8) and second take-up reel (11) are installed respectively to the both sides of gear box (10).

2. The automated crayfish capture device of claim 1, wherein: the end cover (5) adopts the rigid plastic net grid cover with the screw thread, the end cover (5) is connected with the PVC hollow pipeline (1) through the screw thread, the pipeline length of the PVC hollow pipeline (1) is 10 meters, the diameter is 50 centimeters, and the hole reflection diameter of the induced shrimp hole (3) is 15 centimeters.

3. The automated crayfish capture device of claim 1, wherein: one side of the piston type plug (12) is connected with the first take-up reel (8) through the rope (2), and the other side of the piston type plug (12) is connected with the second take-up reel (11) through the rope (2).

4. The automated crayfish capture device of claim 1, wherein: the first take-up reel (8) and the second take-up reel (11) are fixedly connected with a gear in the gear box (10) through connecting shafts, the driving motor (9) is fixedly connected with the gear box (10) through bolts, and the first take-up reel (8), the second take-up reel (11) and the gear box (10) form a bidirectional rope twisting device.

5. The automated crayfish capture device of claim 1, wherein: the piston type plug (12) is a hollow cylinder which is made of hard PVC plastic and has the bottom surface diameter of 40cm and the height of 40 cm; the periphery of the piston type plug (12) is connected with a tough hard plastic brush, and the centers of two ends of the brush are provided with rope buckles capable of being connected with ropes.

6. The automated crayfish capture device of claim 1, wherein: the shrimp inducing hole (3) is provided with a detachable horn-shaped inverted beard opening, the inverted beard extends into the PVC hollow pipeline (1), and the inverted beard is a hard plastic strip with certain elasticity.

7. The automated crayfish capture device of claim 1, wherein: the fixing frame (4) is divided into an upper part and a lower part, the lower part is a 1m long single stainless steel leg support, the end part of the support is sharp, the upper part is provided with an upper semicircular stainless steel ring and a lower semicircular stainless steel ring, one ends of the two semicircular stainless steel rings are connected through a hinge, the other ends of the two semicircular stainless steel rings are connected through a movable buckle, and the lower semicircular rings are welded with the single stainless steel leg support.

8. The automated crayfish capture device of claim 1, wherein: the square shrimp collecting cage (7) is a crawfish collecting area, is a square shrimp cage which is composed of a PVC thin tube framework and a nylon net, is 1.5m wide and 1.5m high, is provided with a circular hole at the connecting part with the PVC hollowed pipeline (1), has a diameter of 50cm, is provided with a movable door net above, is provided with a groove for a rope to pass through at the top of the shrimp collecting cage, and is provided with a shrimp outlet door at one side.

9. The automated crayfish capture device of claim 1, wherein: the PVC hollow pipeline is characterized in that the PVC hollow pipeline (1) is provided with a corrosion-resistant plastic pulley and a steel anti-falling rope frame, and the corrosion-resistant plastic pulley and the steel anti-falling rope frame are assembled and then installed on two ends of the PVC hollow pipeline (1) through screws.