CN219479019U - Device for intercepting and capturing ampullaria gigas in field irrigation water - Google Patents

Abstract

The utility model provides a device for intercepting and capturing ampullaria gigas in field irrigation water, which comprises a fixed inserted link (10), a trap (20) and a closed cover (30); the middle part of the fixed inserted link (10) is provided with a cavity (11), the side wall of the top of the cavity (11) is provided with a collecting net bag (12), and the top end of the fixed inserted link (10) is connected with the bottom end of the trapper (20); the longitudinal section of the trapper (20) is of a conical structure with a small upper part and a large lower part, the outer wall of the trapper (20) is provided with a plurality of movable door mounting openings (21), the inner walls of the movable door mounting openings (21) are respectively provided with a movable door (22) in a rotating mode, and the weight of the lower end of the movable door (22) is larger than that of the upper end of the movable door; the upper end of the trapper (20) is connected with the lower end of the closing cap (30), and an inlet (31) is formed in the middle of the upper end of the closing cap (30). The interception capturing device can effectively attract and capture the ampullaria gigas, and can prevent the captured ampullaria gigas from escaping from the capturing device, so that control of the ampullaria gigas is realized.

Description

Device for intercepting and capturing ampullaria gigas in field irrigation water

Technical Field

The utility model relates to the technical field of ampullaria gigas control, in particular to an interception and capture device for ampullaria gigas in field irrigation water.

Background

The ampullaria gigas has extremely strong reproductive capacity, rapid population growth, wide eating range and large eating quantity, and has stronger adaptability and tolerance capability, and can adapt to various severe environmental conditions; therefore, the ampullaria gigas can quickly and easily invade and destroy a local wetland ecosystem and an agricultural ecosystem, so that crop yield reduction, especially crops such as rice and the like, growth of other species is inhibited, ecological balance is broken, and water is polluted.

The Chinese patent document CN207978748U discloses a rice field ampullaria gigas trapping device, which is characterized in that ampullaria gigas baits are placed in a net bag, and the ampullaria gigas is induced into the net bag, so that the ampullaria gigas is trapped, manual real-time participation is not needed, manpower and material resources required by ampullaria gigas prevention and control are reduced, the ampullaria gigas prevention and control cost is reduced, and the ampullaria gigas trapping efficiency is improved; the fixer can fix the rice field ampullaria gigas trapping device at Tian Anshang, the inserted link can realize quick and convenient fixation, and the barb can improve the firmness of fixation. However, when the ampullaria gigas is induced into the net bag, the ampullaria gigas cannot be effectively trapped in the net bag, and when the ampullaria gigas is only trapped and not killed (namely, an ampullaria gigas killing agent is not arranged on the object placing table), the problem that the ampullaria gigas climbs out along the supporting rod and escapes is easily caused; meanwhile, the trapping device has no structure which is convenient for the ampullaria gigas to climb into the net bag, so that the ampullaria gigas cannot easily enter the net bag through movement, and the trapping efficiency is low.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide the interception and capture device for the ampullaria gigas in field irrigation water, which can effectively realize the attraction and capture of the ampullaria gigas, prevent the captured ampullaria gigas from escaping from the capture device and further realize the control of the ampullaria gigas.

The aim of the utility model is achieved by the following technical scheme:

a field irrigation water ampullaria gigas interception and capture device is characterized in that: comprises a fixed inserted link, a trapper and a closing cover; the upper end of the middle part of the fixed inserted link is sunken downwards to form a cavity, the side wall of the top of the cavity is provided with a collecting net bag, and the top end of the fixed inserted link is connected with the bottom end of the trapper; the longitudinal section of the trapper is of a conical structure with a small upper part and a large lower part, the trapper is hollow, a plurality of movable door mounting openings are uniformly formed in the outer wall of the trapper around the central axis of the trapper, the inner walls of the movable door mounting openings are respectively provided with a movable door in a rotating mode, and the weight of the lower end of the movable door is larger than that of the upper end of the movable door; the upper end of the trapper is connected with the lower end of the closing cap, the closing cap is of an arc structure protruding upwards and hollow in the interior, and an inlet is formed in the middle of the upper end of the closing cap.

Preferably, the bottom of the fixed inserted link is provided with a conical tip structure with the diameter gradually reduced from top to bottom, so that the fixed inserted link is convenient to insert into the field.

Preferably, the top end of the fixed inserted link is in threaded connection with the bottom end of the trapper, and the upper end of the trapper is in threaded connection with the lower end of the closing cap, so that the fixed inserted link is convenient to detach and install.

Preferably, the weight of the lower end of the movable door is 40-60 g larger than that of the upper end.

Preferably, the side surfaces of two sides of the middle part of the movable door are respectively provided with a rotary shaft with the central axes collinear, and one end of the rotary shaft far away from the movable door is respectively clamped into the side wall of the corresponding movable door mounting opening and is rotationally connected, so that the rotation between the movable door and the movable door mounting opening is realized.

Preferably, the upper end of the outer wall of the movable door (namely, the side wall of one side far away from the inner cavity of the trapper) is uniformly coated with a starch layer to be used as an attractant for attracting the ampullaria gigas.

Preferably, the trap is arranged on the inner wall of the lower end of the mounting opening of the movable door and the outer wall of the upper end of the trap is provided with a positioning baffle for preventing the lower end of the movable door from rotating inwards and the upper end from rotating outwards.

Preferably, the inner cavity of the trapper and the corresponding movable door are respectively provided with a blocking component, the blocking component comprises a blocking plate, connecting rods and traction rods, the inner side of the trapper is located at the top of the movable door and the side walls of the two sides of the movable door are respectively provided with sliding grooves, the blocking plate is located in the sliding grooves at the top of the trapper in the initial state, the two sides of the blocking plate are respectively clamped into the sliding grooves of the two sides and are in sliding connection, the bottoms of the two ends of the blocking plate are located in the sliding grooves of the two sides, one ends of the two connecting rods, away from the blocking plate, are connected with the same traction rod, and the traction rods are parallel to the blocking plate and located in the movable door.

In order to intercept the ampullaria gigas in the field irrigation water, preferably, an interception net is arranged between two adjacent outer walls of the fixed inserted link.

The utility model has the following technical effects:

according to the method, the fixed inserted link is arranged, so that the trap is firmly fixed in the field, movement caused by flowing of water body of the trap is avoided, collection is not facilitated, and the ampullaria gigas is effectively attracted to climb on the outer wall of the fixed inserted link by utilizing the climbing habit of the ampullaria gigas along the wall of the wetland plant rod, so that the trap is convenient to capture the ampullaria gigas; through the arrangement of the movable door mounting port and the movable door, the movable door is closed by the dead weight of the movable door, and the movable door is opened by the weight of the ampullaria gigas, so that the ampullaria gigas falls into a collecting net bag mounted in the cavity of the fixed inserted rod effectively, and the ampullaria gigas is collected; through the automatic closing of the movable door and the matching of the blocking component, firstly, the ampullaria gigas is effectively separated from the outer wall of the movable door and falls into the collecting net bag, and secondly, the automatic closing of the trapper is realized, and the ampullaria gigas is prevented from escaping; through setting up the closing cap of import is offered at the middle part, firstly, guarantee that the ampullaria gigas of "leaking net fish" also can fall into in the collection string bag, improve trapping efficiency, secondly, for whole lower extreme confined capturing device provides ventilative environment, guarantees the gas permeability in the device, avoids the ampullaria gigas to die in a large number and lead to appearing putrescence smell in the capturing device.

Drawings

FIG. 1 is a schematic diagram of a capturing device according to an embodiment of the present utility model.

FIG. 2 is a cross-sectional view of a capture device in an embodiment of the utility model.

Fig. 3 is a partial enlarged view of a in fig. 2.

Fig. 4 is a partial enlarged view of B in fig. 2.

Fig. 5 is a cross-sectional view taken along the direction C-C of fig. 2.

10, fixing a plug rod; 11. a cavity; 12. collecting the net bag; 20. a trap; 21. a movable door mounting opening; 22. a movable door; 220. a rotating shaft; 23. a blocking plate; 24. a connecting rod; 25. a traction rod; 26. positioning a baffle; 30. a closing cap; 31. an inlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 5: a field irrigation water ampullaria gigas interception and capture device is characterized in that: comprises a fixed inserted link 10, a trap 20 and a closing cover 30; the upper end of the middle part of the fixed inserted link 10 is sunken downwards to form a cavity 11, the side wall of the top of the cavity 11 is provided with a collecting net bag 12, and the mesh diameter of the collecting net bag 12 is 0.1-0.2 mm, as shown in fig. 2: the collecting net bags 12 are positioned in the cavity 11, and the bottoms of the collecting net bags 12 are positioned on the upper side of the bottom surface of the cavity 11, so that water is drained conveniently (the collecting net bags 12 form a drier environment through water draining, and the situation that the cap is tightly closed when the ampullaria gigas encounters drought is utilized, so that the ampullaria gigas in the collecting net bags 12 are prevented from escaping); the bottom of the fixed inserted link 10 is provided with a conical tip structure (as shown in fig. 1 and 2) with the diameter gradually decreasing from top to bottom, so that the fixed inserted link 10 is conveniently inserted into the field to be firmly fixed; the top end of the fixed inserted link 10 is in threaded connection with the bottom end of the trapper 20 (as shown in fig. 2, the top end of the fixed inserted link 10 is provided with external threads, the bottom end of the trapper 20 is provided with corresponding internal threads, and further threaded connection of the fixed inserted link 10 and the trapper 20 is realized).

The longitudinal section of the trapper 20 is of a conical structure with a small upper part and a large lower part, the interior of the trapper 20 is hollow (as shown in fig. 1 and 2), a plurality of movable door mounting openings 21 are uniformly formed on the outer wall of the trapper 20 and around the central axis of the trapper, movable doors 22 are respectively arranged on the inner walls of the movable door mounting openings 21 in a rotating mode, rotating shafts 220 with the central axis collinear are respectively arranged on the side faces of the two sides of the middle part of each movable door 22, and one ends, far away from the movable doors 22, of the rotating shafts 220 are respectively clamped into the side walls of the corresponding movable door mounting openings 21 and are connected in a rotating mode, so that rotation between each movable door 22 and each movable door mounting opening 21 is achieved; the weight of the lower end of the movable door 22 is larger than that of the upper end, and the weight of the lower end is 40-60 g (preferably 50g, and the person skilled in the art knows that the weight of the ampullaria gigas is 100-150 g and can reach more than 250g at maximum), so that the movable door 22 is closed by the weight of the lower end of the movable door 22 being larger than that of the upper end, and the movable door 22 is opened by the weight addition of the ampullaria gigas; the upper end of the outer wall of the movable door 22 (i.e. the side wall far away from the inner cavity of the trap 20) is uniformly coated with a starch layer to be used as an attractant for attracting ampullaria gigas. The trap 20 is provided with a positioning baffle 26 (shown in fig. 3 and 4) on the inner wall of the lower end of the movable door mounting opening 21 and on the outer wall of the upper end thereof, for preventing the lower end of the movable door 22 from rotating inward and the upper end from rotating outward.

In order to avoid the escape of the ampullaria gigas after entering the trapper 20 and changing the moving direction when the ampullaria gigas are positioned on the movable door 22, the inner cavity of the trapper 20 is respectively provided with a blocking component corresponding to the movable door 22, the blocking component comprises a blocking plate 23, a connecting rod 24 and a traction rod 25, the inner side of the trapper 20 is positioned at the top of the movable door 22, sliding grooves are respectively formed in the side walls of the two sides of the movable door 22, initially, the blocking plate 23 is positioned in the sliding grooves at the top of the trapper 20, the two sides of the blocking plate 23 are respectively clamped into the sliding grooves at the two sides and are in sliding connection, the connecting rods 24 are arranged at the bottoms of the two ends of the blocking plate 23 and are positioned in the sliding grooves at the two sides, one ends of the two connecting rods 24 far away from the blocking plate 23 are connected with the same traction rod 25, and the traction rod 25 is parallel to the blocking plate 23 and the traction rod 25 is positioned in the movable door 22 (shown in fig. 3 and 4).

The upper end of the trapper 20 is in threaded connection with the lower end of the closing cap 30 (as shown in figure 2, the upper end of the trapper 20 is provided with internal threads, the lower end of the closing cap 30 is provided with external threads corresponding to the internal threads, and further the threaded connection of the trapper 20 and the closing cap 30 is realized); the closing cap 30 has an arc structure protruding upwards and is hollow, and an inlet 31 (shown in fig. 2) is formed in the middle of the upper end of the closing cap 30.

Working principle:

when the device is used, the conical tip structure of the fixed inserted rod 10 is inserted into a field of the ampullaria gigas to be captured, and the ampullaria gigas can climb upwards along the outer wall of the fixed inserted rod 10 due to the fact that the ampullaria gigas has the characteristic of climbing along the wetland plant rod wall (namely, the ampullaria gigas has the characteristic of climbing the wetland plant rod wall and laying eggs at a certain distance from the water surface); then, the ampullaria gigas continuously climb upwards along the outer wall of the trapper 20 due to the influence of the starch layer on the outer wall of the upper end of the movable door 22, when the climbing height exceeds the height of the rotating shaft 220, the upper end of the movable door 22 and the weight of the ampullaria gigas are larger than the weight of the lower end of the movable door 22, the upper end of the movable door 22 rotates inwards, the lower end of the movable door 22 rotates outwards, and the ampullaria gigas continuously climb towards the top end of the movable door 22 and fall into the collecting net bag 12; after the ampullaria gigas falls, the weight of the lower end of the movable door 22 is again larger than that of the upper end, so that the movable door 22 reversely rotates (namely, the upper end rotates outwards and the lower end rotates inwards), and the trap 20 is closed again.

In the rotation process of the movable door 22, the traction rod 25 is supported by the inner wall of the movable door 22, the bottom end of the blocking plate 23 is contacted with the outer wall of the movable door 22 and vertically slides downwards along the chute, so that the retreating route of the ampullaria gigas is blocked, and the ampullaria gigas is prevented from deviating from the route and escaping due to frightening; meanwhile, after the ampullaria gigas falls, the outer surface of the movable door 22 props against the bottom end of the blocking plate 23 to enable the ampullaria gigas to slide upwards, so that reset is completed.

When the ampullaria gigas climbs along the connecting ribs of the two movable door mounting ports 21, the movable doors 22 are not easy to open, and the escargots continuously climbs at the moment and finally fall into the collecting net bag 12 through the inlet 31 (the escargots can be continuously attracted by uniformly smearing a starch layer on the outer wall of the sealing cover 30).

The water carried by the ampullaria gigas falling into the collecting net bag 12 gathers at the bottom of the cavity 11 due to the action of gravity, and the ampullaria gigas positioned in the collecting net bag 12 loses the activity capacity due to the habit of tightly closing the shell cover when meeting drought, so that escape cannot occur.

The ampullaria gigas collecting net bag 12 is then subjected to centralized treatment for aquaculture feed or other uses of aquatic animals.

Examples

As a further optimization of the scheme of the application, on the basis of the embodiment 1, in order to intercept the ampullaria gigas in field irrigation water, when the ampullaria gigas is caught by the interception part in the field, a plurality of groups of the catching devices in the embodiment 1 are adopted, and an interception net is arranged between the outer walls of two adjacent fixed inserted bars 10 of the optimal catching devices, so that the ampullaria gigas in flowing water is effectively intercepted, can climb the outer walls of the fixed inserted bars 10, and is trapped.

Examples

As a further optimization of the solution of the present application, on the basis of embodiment 1, the top of the blocking plate 23 is connected with the inner side of the trap 20, which is located at the top end of the top chute of the movable door 22, by an elastic rope or a light spring, so that the self gravity of the blocking plate 23 is counteracted, and the blocking plate 23 is prevented from falling down initially (i.e. after losing the support of the movable door 22), i.e. the blocking plate 23 is ensured to fall due to the pulling action of the traction rod 25 and the connecting rod 24.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A field irrigation water ampullaria gigas interception and capture device is characterized in that: comprises a fixed inserted link, a trapper and a closing cover; the upper end of the middle part of the fixed inserted link is sunken downwards to form a cavity, the side wall of the top of the cavity is provided with a collecting net bag, and the top end of the fixed inserted link is connected with the bottom end of the trapper; the longitudinal section of the trapper is of a conical structure with a small upper part and a large lower part, the trapper is hollow, a plurality of movable door mounting openings are uniformly formed in the outer wall of the trapper around the central axis of the trapper, the inner walls of the movable door mounting openings are respectively provided with a movable door in a rotating mode, and the weight of the lower end of the movable door is larger than that of the upper end of the movable door; the upper end of the trapper is connected with the lower end of the closing cap, the closing cap is of an arc structure protruding upwards and hollow in the interior, and an inlet is formed in the middle of the upper end of the closing cap.

2. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: the bottom of the fixed inserted link is provided with a conical tip structure with the diameter gradually decreasing from top to bottom.

3. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: the top end of the fixed inserted link is in threaded connection with the bottom end of the trapper, and the upper end of the trapper is in threaded connection with the lower end of the closing cap.

4. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: the side surfaces of two sides of the middle part of the movable door are respectively provided with a rotary shaft with the central axes collinear, and one end of the rotary shaft far away from the movable door is respectively clamped into the side wall of the corresponding movable door mounting opening and is rotationally connected.

5. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: the trap is located the inner wall of dodge gate installing port lower extreme and the outer wall of upper end sets up the locating baffle.

6. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: the inner cavity of the trapper and the corresponding movable door are respectively provided with a blocking component, the blocking component comprises a blocking plate, connecting rods and traction rods, the inner side of the trapper is located at the top of the movable door and the side walls of the two sides of the movable door are respectively provided with sliding grooves, the blocking plate is located in the sliding grooves at the top of the trapper in the initial state, the two sides of the blocking plate are respectively clamped into the sliding grooves of the two sides and are in sliding connection, the bottoms of the two ends of the blocking plate are located in the sliding grooves of the two sides, the two connecting rods are far away from one end of the blocking plate and are connected with the same traction rod, and the traction rods are parallel to the blocking plate and located in the movable door.

7. The interception and capturing device for ampullaria gigas in field irrigation water according to claim 1, wherein the interception and capturing device is characterized in that: an interception net is arranged between two adjacent outer walls of the fixed inserted link.