Multi-section type surrounding and catching device for rapid cleaning of scavenger

By designing a multi-stage trapping device that combines trapping and enclosure components, rapid and automated killing of plecos was achieved, solving the problem of low efficiency in existing devices, improving killing efficiency and reducing labor costs.

CN121128684APending Publication Date: 2025-12-16PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
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Patent Information

Application Number
CN202511663693.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-13
Publication Date
2025-12-16

AI Technical Summary

Technical Problem

Existing trapping devices are mostly time-consuming and labor-intensive, lack active trapping devices, have low removal efficiency, and are difficult to effectively suppress the reproduction of plecos.

Method used

A multi-stage trapping device was designed, comprising a trapping component and a containment component. It utilizes ultrasonic sensors and waterproof motor-driven blades for active trapping, and the containment component stabilizes the position of the fishing tube in the river. Combined with the scent dissemination of the trapping component and the automated killing process, it achieves rapid capture and killing of plecos.

Benefits of technology

It improves the efficiency of pleco capture, reduces labor costs, and the automated process enhances work convenience and capture efficiency while avoiding impact on other fish species.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a multi-section type hunting device for rapidly removing a scavenger, and relates to the field of fishery, the multi-section type hunting device comprises a fishing cylinder, the outer side of one end of the fishing cylinder is sleeved with a non-return rubber sleeve, the other end of the fishing cylinder is connected with a fixing cylinder, one end of the fixing cylinder is provided with a waterproof motor, the inner side of the fixing cylinder is welded with a supporting frame, and the supporting frame is provided with a water inlet and a water outlet. A bearing is embedded into the inner side of the supporting frame, a rotating rod is installed on the inner side of the bearing, and a blade is spot-welded to the outer side of the rotating rod. The device is scientific and reasonable in structure and safe and convenient to use, and the smell of the sucked scavengers is dispersed to the whole riverway, so that a large number of scavengers can be rapidly gathered, and the practicability of the device is improved. By means of the device, the scavenger can be actively trapped, the diffused feed only attracts the scavenger, other fishes cannot be affected, the situation that all the fishes are thrown up and then sorted like a traditional catching mode is not needed, and the catching and killing efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of fishery technology, in particular to a multi-section type trapping device for quickly removing clean-up fish. BACKGROUND

[0002] Clean-up fish (scientific name: Pimelodus pictus) is an invasive species, which is originally from rivers in South America. It is named clean-up fish because it likes to eat leftover food and dirt in aquariums. This fish has caused a disaster in some southern regions of China. Its strong reproductive capacity and adaptability make it spread rapidly in the wild, posing a serious threat to the local ecological balance. It can seize the habitat and resources of other native fish species and eat the eggs of local fish, which has a great impact on the reproduction of the four major carp species. Clean-up fish has no natural enemies in China, and its skin is hard and its meat is rough, so it is not popular. Currently, some areas have taken measures such as trapping to control its population. However, the existing trapping devices mostly trap and then capture, which is not only time-consuming and labor-intensive but also lacks active trapping devices, requiring a large amount of manpower and having low removal efficiency, making it difficult to control the reproduction of clean-up fish. In order to avoid the above technical problems, it is necessary to provide a multi-section type trapping device for quickly removing clean-up fish to overcome the defects in the prior art. SUMMARY

[0003] The present application provides a multi-section type trapping device for quickly removing clean-up fish, which can effectively solve the problem of the existing trapping device being mostly trapped and then captured, which is not only time-consuming and labor-intensive but also lacks active trapping devices, requiring a large amount of manpower and having low removal efficiency, making it difficult to control the reproduction of clean-up fish.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a multi-section type trapping device for quickly removing clean-up fish, comprising a fish catching cylinder, wherein the inner side of the fish catching cylinder is provided with a trapping assembly; The trapping assembly comprises a reverse stopping rubber sleeve, a fish inlet groove, a killing chamber, a fixing cylinder, a waterproof motor, a support frame, a bearing, a rotating rod, a blade, a feeding cylinder, a mounting seat, a water pump, a flow-through chamber, a support ring, a placing net, a threaded cap, a water inlet groove, a clamping groove, an ultrasonic sensor and a connecting cylinder. One end of the fish catching cylinder is provided with a reverse stopping rubber sleeve on the outside, the inner side of the reverse stopping rubber sleeve is provided with a fish inlet groove, the inner side of the fish catching cylinder is provided with a killing chamber, the other end of the fish catching cylinder is connected with a fixing cylinder, one end of the fixing cylinder is provided with a waterproof motor, the inner side of the fixing cylinder is welded with a support frame, the inner side of the support frame is embedded with a bearing, the inner side of the bearing is provided with a rotating rod, and the outer side of the rotating rod is spot-welded with a blade. The outer top of the fixed cylinder is connected with a feeding cylinder, a water pump is mounted on the outer side of the feeding cylinder, a flow chamber is arranged in the inner side of the feeding cylinder, a support ring is welded in the inner side of the flow chamber, a placing net is embedded in the inner side of the support ring, a threaded cap is threadedly connected to the outer top of the feeding cylinder, and a water inlet groove is formed in the inner side of the threaded cap.

[0005] Preferably, a clamping groove is formed in the back of the reverse-stopping rubber sleeve, and an ultrasonic sensor is mounted in the inner side of the clamping groove.

[0006] Preferably, a movable groove is formed in the inner side of one end of the fixed cylinder, and the rotating rod is rotatably connected to the fixed cylinder through the movable groove.

[0007] Preferably, a plurality of blades are arranged, and the plurality of blades are equidistantly welded to the outer side of the rotating rod.

[0008] Preferably, a communication groove is formed in the outer top of the fixed cylinder, and the feeding cylinder is connected to the killing chamber through the communication groove.

[0009] Preferably, the outer diameter of the support ring is equal to the inner diameter of the feeding cylinder, and the input end of the water pump is electrically connected to the output end of the internal controller.

[0010] Preferably, one end of the rotating rod is connected to the transmission end of the waterproof motor, the input end of the waterproof motor is electrically connected to the output end of the internal controller, and the output end of the ultrasonic sensor is electrically connected to the input end of the internal controller.

[0011] Preferably, a surrounding barrier assembly is mounted on the outer top of the fishing cylinder. The surrounding barrier assembly comprises a limiting rod, a threaded cylinder, a stable floating box, a threaded long rod, an extension rod, a connecting threaded groove, a net cover, an intercepting mesh, a material box, a clamping groove plate, a feed chamber and a flow hole. The top of the fishing cylinder is provided with a limiting rod, the outer side of the limiting rod is threadedly connected with a threaded cylinder, the bottom end of the threaded cylinder is welded with a stable floating box, the bottom end of the limiting rod is welded with a threaded long rod, the bottom end of the threaded long rod is threadedly connected with an extension rod, the outer side of the extension rod is sleeved with a net cover, the outer side of the net cover is bonded with an intercepting mesh, the front surface of the intercepting mesh is provided with a material box, the back surface of the material box is welded with a clamping groove plate, the inner side of the material box is provided with a feed chamber, and the front surface of the material box is provided with a flow hole.

[0012] Preferably, a connecting threaded groove is formed in the top end of the extension rod, and the extension rod is connected to the threaded long rod through the connecting threaded groove.

[0013] The material box is hung on the top end of the intercepting grid through clamping groove plates, and the flow-through holes are provided with a plurality of flow-through holes which are evenly provided on the front face of the material box.

[0014] Compared with the prior art, the application has the advantages of scientific and reasonable structure, safe and convenient use, and the like. 1. The baiting assembly is arranged, the smell of the scavengers is spread throughout the river channel, so that a large number of scavengers can be quickly gathered, the scavengers can be actively trapped, the feed spread only attracts the scavengers and does not affect other fish, unlike the traditional catching method, the fish is not all knocked up and then sorted, the catching efficiency is greatly improved, the fish catching cylinder can be lifted from the river through the limiting rod every period of time, the feed can be supplemented, the reverse rubber sleeve can be removed and the scavengers in the interior can be cleaned, the labor cost required for scavenger catching can be reduced, the scavenger catching process is automatically completed, the convenience of scavenger catching is further improved, and the working efficiency is improved.

[0015] 2. The enclosing assembly is arranged, a proper number of extension rods are selected according to the depth of the river channel and are connected with each other through threaded rods and connecting threaded grooves, then the net cover connected with the intercepting grid is sleeved at the outer side position of the extension rod, then the fish catching cylinder is lowered to a proper depth, the position of the intercepting grid can be ensured to be relatively stable, the catching efficiency is further improved, and when the scavengers are trapped, the feed can be added to the inner side of the feed chamber, then the material box is hung on the top of the intercepting grid through the clamping groove plates, then a large amount of feed smell is spread to the river through the flow-through holes, the scavengers can be attracted at this time, the gathering of the scavengers can be accelerated, and the catching efficiency can be further improved. DETAILED DESCRIPTION

[0016] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.

[0017] In the drawings: Figure 1 is a structural schematic view of the present application; Figure 2 is a mounting structure schematic view of the reverse rubber sleeve of the present application; Figure 3 is a structural schematic view of the baiting assembly of the present application; Figure 4 is a mounting structure schematic view of the supporting ring of the present application; Figure 5 is a mounting structure schematic view of the ultrasonic sensor of the present application; Figure 6is a structural schematic diagram of the fence assembly of the present application; Figure 7 is a schematic diagram of the installation structure of the threaded long rod of the present application; Figure 8 is a schematic diagram of the installation structure of the clamping groove plate of the present application; Figure label: 1, fishing cylinder; 2, trapping assembly; 201, reverse stopping rubber sleeve; 202, fish inlet groove; 203, killing chamber; 204, fixing cylinder; 205, waterproof motor; 206, support frame; 207, bearing; 208, rotating rod; 209, blade; 210, feeding cylinder; 211, mounting seat; 212, water pump; 213, flow-through chamber; 214, support ring; 215, net placement; 216, threaded cap; 217, water inlet groove; 218, clamping groove; 219, ultrasonic sensor; 220, connecting cylinder; 3, fence assembly; 301, limiting rod; 302, threaded cylinder; 303, stable floating box; 304, threaded long rod; 305, extension rod; 306, connecting threaded groove; 307, net cover; 308, intercepting grid; 309, material box; 310, clamping groove plate; 311, feed chamber; 312, flow-through hole. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0019] Embodiment: as Figures 1-8 shown, the present application provides a technical solution, a multi-section type trapping device for quick removal of scavengers, including a fishing cylinder 1, and a trapping assembly 2 installed on the inner side of the fishing cylinder 1; The trapping assembly 2 includes a reverse stopping rubber sleeve 201, a fish inlet groove 202, a killing chamber 203, a fixing cylinder 204, a waterproof motor 205, a support frame 206, a bearing 207, a rotating rod 208, a blade 209, a feeding cylinder 210, a mounting seat 211, a water pump 212, a flow-through chamber 213, a support ring 214, a net placement 215, a threaded cap 216, a water inlet groove 217, a clamping groove 218, an ultrasonic sensor 219, and a connecting cylinder 220; The outer side of one end of the fishing barrel 1 is sleeved with a reverse stopping rubber sleeve 201, the inner side of the reverse stopping rubber sleeve 201 is provided with a fish inlet groove 202, the inner side of the fishing barrel 1 is provided with a killing chamber 203, the other end of the fishing barrel 1 is connected with a fixing barrel 204, the outer side of the top position of the fixing barrel 204 is provided with a communication groove, a feeding barrel 210 is connected with the killing chamber 203 through the communication groove, which is convenient for odor propagation, one end of the fixing barrel 204 is provided with a waterproof motor 205, the inner side of the fixing barrel 204 is welded with a support frame 206, the inner side of the support frame 206 is embedded with a bearing 207, the inner side of the bearing 207 is installed with a rotating rod 208, the inner side of one end of the fixing barrel 204 is provided with a movable groove, the rotating rod 208 is rotatably connected with the fixing barrel 204 through the movable groove, which is convenient for the rotation of the rotating rod 208, the outer side of the rotating rod 208 is spot-welded with a blade 209, the blade 209 is provided with a plurality of blades 209, the plurality of blades 209 are equidistantly welded at the outer side position of the rotating rod 208, which is beneficial to rapid killing; The outer side of the top position of the fixing barrel 204 is connected with a feeding barrel 210, the outer side of the feeding barrel 210 is installed with a water pump 212, the inner side of the feeding barrel 210 is provided with a flow-through chamber 213, the inner side of the flow-through chamber 213 is welded with a support ring 214, the outer diameter of the support ring 214 is equal to the inner diameter of the feeding barrel 210, the input end of the water pump 212 is electrically connected with the output end of the internal controller, which is beneficial to placing feed, the inner side of the support ring 214 is embedded with a placing net 215, the outer side of the top position of the feeding barrel 210 is threadedly connected with a threaded cover 216, the inner side of the threaded cover 216 is provided with a water inlet groove 217.

[0020] The back of the reverse stopping rubber sleeve 201 is provided with a clamping groove 218, the inner side of the clamping groove 218 is installed with an ultrasonic sensor 219, one side of the fishing barrel 1 is provided with a connecting barrel 220, one end of the rotating rod 208 is connected with the transmission end of the waterproof motor 205, the input end of the waterproof motor 205 is electrically connected with the output end of the internal controller, the output end of the ultrasonic sensor 219 is electrically connected with the input end of the internal controller, which is convenient for rapid killing and clearing of scavengers.

[0021] The outer side of the top position of the fishing barrel 1 is installed with a surrounding fence assembly 3; The surrounding fence assembly 3 comprises a limiting rod 301, a threaded barrel 302, a stable floating box 303, a threaded long rod 304, an extension rod 305, a connecting threaded groove 306, a net sleeve 307, an intercepting grid 308, a material box 309, a clamping groove plate 310, a feed chamber 311 and a flow-through hole 312; The top of the fishing barrel 1 is provided with a limiting rod 301, the outer side of the limiting rod 301 is threadedly connected with a threaded barrel 302, the bottom end of the threaded barrel 302 is welded with a stable floating box 303, the bottom end of the limiting rod 301 is welded with a threaded long rod 304, the bottom end of the threaded long rod 304 is threadedly connected with an extension rod 305, the top end of the extension rod 305 is provided with a connecting threaded groove 306, the extension rod 305 is connected with the threaded long rod 304 through the connecting threaded groove 306, so that different depth of river water can be conveniently adapted, the outer side of the extension rod 305 is sleeved with a net sleeve 307, the outer side of the net sleeve 307 is bonded with an intercepting grid 308, the front surface of the intercepting grid 308 is provided with a material box 309, the back surface of the material box 309 is welded with a clamping groove plate 310, the inner side of the material box 309 is provided with a feed cavity 311, the front surface of the material box 309 is provided with a flow hole 312, the material box 309 is hung at the top end of the intercepting grid 308 through the clamping groove plate 310, the flow hole 312 is provided with a plurality of flow holes 312, and the plurality of flow holes 312 are uniformly arranged on the front surface of the material box 309, so as to be beneficial to attracting fish groups.

[0022] The working principle and use process of the present application are as follows: firstly, the specific fish egg odor emitting feed that can attract scavengers is placed in the inner side of the flow cavity 213, then the threaded cover 216 is screwed at the outer side top position of the feeding barrel 210, then the fishing barrel 1 is lowered to the appropriate depth through a proper number of extension rods 305, at this time, two groups of fishing barrels 1 are symmetrically placed on the fixed river section upstream and downstream, at this time, the intercepting grid 308 between the two groups of fishing barrels 1 can close one section of the entire river, so as to complete the arrangement of the fishing barrel 1. In the use process, the water pump 212 is started, at this time, the river water can be continuously pumped, at this time, the river water can enter the inside of the flow cavity 213 through the water inlet groove 217, at this time, the river water can continuously contact the internal feed, so as to carry the smell of the feed through the placing net 215 inside the supporting ring 214, the river water carrying the smell can enter the inside of the fixed barrel 204 from the feeding barrel 210, and then enter the inside of the killing cavity 203 from the fixed barrel 204, then the water carrying the smell flows into the river water from the fish inlet groove 202 in the inside of the check rubber sleeve 201, the river water continuously attracts scavengers, then the scavengers gather to the position of the fishing barrel 1, then when the scavengers enter the inside of the fishing barrel 1 from the fish inlet groove 202, the ultrasonic sensor 219 detects that the scavengers enter the inside of the fishing barrel 1, at this time, the waterproof motor 205 can be started, so as to drive the rotating rod 208 to rotate at high speed through the waterproof motor 205, at this time, all the blades 209 can be rotated through the rotating rod 208, so as to cut and kill the internal scavengers, and because the river is cut off, the scavengers have no suitable food and can only slowly enter the inside of the fishing barrel 1 to be killed; By spreading the scent that attracts plecos throughout the river, a large number of plecos can be quickly gathered, allowing for active trapping. The dispersed feed only attracts plecos and does not affect other fish, eliminating the need to catch all the fish and sort them as in traditional methods, greatly improving the efficiency of the catch. Every so often, the fishing tube 1 can be lifted out of the river by the limit rod 301, allowing for refilling of the feed and removal of the anti-reverse rubber sleeve 201 to clean the plecos inside. This reduces the labor costs required for pleco trapping, eliminates the need for constant monitoring, and automates the entire trapping process, further enhancing the convenience and efficiency of pleco trapping. After cleaning one section of the river, the operator can lift the fishing tube 1 and move it to the next section that needs cleaning. Then, based on the river's depth, select an appropriate number of extension rods 305 and connect them via threaded rods 304 and connecting threaded grooves 306. Next, place the net sleeve 307, connected to the interception mesh 308, on the outside of the extension rods 305. Then, lower the fishing tube 1 to the appropriate depth. Multiple sets of fishing tubes 1 and connecting tubes 220 can be combined to intercept the river's flow, depending on the river's width. Finally, the stabilizing float box 303 is fitted onto the outside of the limiting rod 301 via a threaded tube 302. Then, the limiting rod 301 is connected to the top of the extension rod 305 at the top of the river surface, thereby fixing the extension rod 305 through the stabilizing float box 303, ensuring that the position of the interception grid 308 can be relatively stable, further improving the killing efficiency. When trapping scavengers, feed can be added to the inside of the feed chamber 311, and then the material box 309 is hung on the top of the interception grid 308 through the snap-fit ​​plate 310. Subsequently, a large amount of feed will spread into the river through the flow hole 312, which can attract scavengers and accelerate their aggregation, thereby further improving the killing efficiency.

[0023] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-stage trapping device for rapid removal of scavengers, comprising a fishing tube (1), characterized in that: The inside of the fishing tube (1) is equipped with a trapping component (2); The trapping component (2) includes a backstop rubber sleeve (201); A check valve rubber sleeve (201) is fitted on the outer side of one end of the fishing tube (1). A fish inlet groove (202) is opened on the inner side of the check valve rubber sleeve (201). A killing chamber (203) is opened on the inner side of the fishing tube (1). A fixing tube (204) is connected to the other end of the fishing tube (1). A waterproof motor (205) is installed on one end of the fixing tube (204). A support frame (206) is welded on the inner side of the fixing tube (204). A bearing (207) is embedded on the inner side of the support frame (206). A rotating rod (208) is installed on the inner side of the bearing (207). A blade (209) is spot-welded on the outer side of the rotating rod (208). A feed cylinder (210) is connected to the top of the outer side of the fixed cylinder (204). A water pump (212) is installed on the outer side of the feed cylinder (210). A flow chamber (213) is opened on the inner side of the feed cylinder (210). A support ring (214) is welded on the inner side of the flow chamber (213). A placement net (215) is embedded on the inner side of the support ring (214). A threaded cap (216) is threadedly connected to the top of the outer side of the feed cylinder (210). A water inlet groove (217) is opened on the inner side of the threaded cap (216).

2. The multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: The back of the anti-reverse rubber sleeve (201) is provided with a snap-fit ​​groove (218), and an ultrasonic sensor (219) is installed on the inner side of the snap-fit ​​groove (218). A connecting tube (220) is provided on one side of the fishing tube (1).

3. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: A movable groove is provided on the inner side of one end of the fixed cylinder (204), and the rotating rod (208) is rotatably connected to the fixed cylinder (204) through the movable groove.

4. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: The blade (209) is provided in several parts, and several blades (209) are welded at equal intervals to the outer side of the rotating rod (208).

5. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: A connecting groove is provided at the top outer side of the fixed cylinder (204), and the feed cylinder (210) is connected to the killing chamber (203) through the connecting groove.

6. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: The outer diameter of the support ring (214) is equal to the inner diameter of the feed cylinder (210), and the input end of the water pump (212) is electrically connected to the output end of the internal controller.

7. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: One end of the rotating rod (208) is connected to the transmission end of the waterproof motor (205), the input end of the waterproof motor (205) is electrically connected to the output end of the internal controller, and the output end of the ultrasonic sensor (219) is electrically connected to the input end of the internal controller.

8. A multi-stage containment device for rapid removal of scavengers according to claim 1, characterized in that: A fencing assembly (3) is installed at the top outer side of the fishing tube (1); The enclosure assembly (3) includes a limiting rod (301). The top of the fishing tube (1) is provided with a limiting rod (301), and the outer side of the limiting rod (301) is threadedly connected to a threaded cylinder (302). The bottom end of the threaded cylinder (302) is welded with a stable float box (303). The bottom end of the limiting rod (301) is welded with a threaded long rod (304). The bottom end of the threaded long rod (304) is threadedly connected to an extension rod (305). The outer side of the extension rod (305) is fitted with a net sleeve (307). The outer side of the net sleeve (307) is bonded with an intercepting mesh (308). The front of the intercepting mesh (308) is provided with a material box (309). The back of the material box (309) is welded with a snap-fit ​​groove plate (310). The inner side of the material box (309) is provided with a feed chamber (311). The front of the material box (309) is provided with a flow hole (312).

9. A multi-stage containment device for rapid removal of scavengers according to claim 8, characterized in that: The extension rod (305) has a connecting threaded groove (306) at its top end, and the extension rod (305) is connected to the threaded rod (304) through the connecting threaded groove (306).

10. A multi-stage containment device for rapid removal of scavengers according to claim 8, characterized in that: The material box (309) is attached to the top of the interception grid (308) by a snap-fit ​​groove plate (310). Several flow holes (312) are provided, and the several flow holes (312) are evenly opened on the front of the material box (309).