A capture device for cultivating crayfish in rice fields

Abstract

The present invention relates to the field of lobster catching technology, and discloses a catching device for culturing crayfish in rice fields. The device comprises a loading block and a net cage disposed below the loading block. The loading block is provided with a connecting assembly for connecting to the net cage. A plurality of conical cylinders communicating with the inner cavity of the net cage are mounted on the outer side of the net cage. A net cage is disposed within the net cage. A plurality of blocking blocks fixedly mounted on the outer side of the net cage are fixedly sleeved and fixed to the inner side of the net cage. A feeding box is fixed to the top side of the net cage, and a feeding port of the feeding box is connected to the net cage. The present invention can quickly capture crayfish caught in a rice field, can adjust the net cage according to the depth of the water body in the rice field, and can facilitate the farmer to quickly remove the captured crayfish. The device has high working performance and is easy to use.

Description

Technical Field

[0001] The invention relates to the technical field of lobster catching, and in particular to a catching device for culturing crayfish in rice fields. Background Art

[0002] Crayfish farming in rice fields is a method of farming crayfish by utilizing the rice field ecosystem. It can reduce land occupation and water resource waste, while also improving the productivity of rice fields. When the crayfish in the rice fields mature, they need to be captured.

[0003] Most of the existing capture devices are cages, which use bait inside the cages to trap crayfish. Although this capture method can capture crayfish inside rice fields, during use, the cages inside the rice fields are mostly simply placed inside the rice fields and cannot be adjusted according to the depth of the water body. When the water body is deep, the crayfish inside the cages will be completely submerged in the water. At this time, the crayfish inside the cages will die due to insufficient oxygen supply, causing great losses to the breeders. For this reason, we propose a capture device for crayfish farming in rice fields. Summary of the Invention

[0004] In order to solve the technical problem that the existing crayfish catching device is inconvenient to use, the present invention provides a catching device for cultivating crayfish in rice fields.

[0005] The present invention is implemented by the following technical solutions: a catching device for paddy field breeding of crayfish, comprising a loading block and a net cage arranged below the loading block, the loading block being provided with a connecting assembly for connecting the net cage, a plurality of conical cylinders connected to the inner cavity of the net cage being installed on the outer side of the net cage, a net cage being provided inside the net cage, a plurality of blocking blocks fixed to the inner side of the net cage being fixedly sleeved on the outer side of the net cage, a feeding box being fixed on the top side of the net cage, a feeding port of the feeding box being connected to the net cage, bait being able to be fed into the inner side of the net cage through the feeding box, and the operation of the connecting assembly driving the net cage and the net cage. The deflection is performed to shake the bait inside the net cylinder evenly. When the bait inside the net cylinder is evenly dispersed inside the net cylinder, the vertical displacement of the loading block drives the net cage to move vertically. When the height of the net cage inside the water body is adjusted, the bait inside the net cylinder will attract the crayfish outside the net cage. At this time, the crayfish inside the rice field will enter the interior of the net cage through the conical tube. At this time, the entering crayfish can be captured by the net cage, and the crayfish inside the net cage can be captured in sections through the blocking block to avoid the captured crayfish being crowded together, which will cause the captured crayfish to die.

[0006] As a further improvement of the above scheme, the connecting assembly includes a driving sleeve arranged on the bottom side of the loading block, the internal thread of the driving sleeve is penetrated by a threaded column, the outer side of the driving sleeve is hinged with a driving plate, the end of the driving plate away from the driving sleeve is hinged to the outer side of the end of the net box, the outer side of the net box away from the driving plate is hinged with a support block fixed to the bottom of the loading block, the end of the net box away from the driving plate is provided with a closing block for closing the opening of the net box, the end of the net box close to the closing block is provided with a plurality of sliding grooves, the inner side of the sliding groove is slidably connected to a slider fixed on the closing block, and the closing block A threaded sleeve is embedded at one end, and a screw rod is passed through the internal thread of the threaded sleeve. One end of the screw rod is rotatably connected to a fixed block fixed on the inner wall of the net cage, and a handle is fixed to the other end of the screw rod. The blocking block is provided with a shrimp outlet hole, and the shrimp outlet hole is a funnel-shaped structure. A connecting column is fixed on the side of the closing block close to the net cage, and multiple blocking plates are fixed on the outside of the connecting column. The blocking plates slide inside adjacent shrimp outlet holes. Through the operation of the connecting assembly, the net cage can be driven to deflect, and the bait inside the net cage can be shaken evenly, which can facilitate the breeder to take out the crayfish captured inside the net cage.

[0007] As a further improvement of the above scheme, a motor 1 is provided at one end of the loading block, one end of the threaded column is transmission-connected to the output end of motor 1, and the other end of the threaded column is rotationally connected to the inner wall of the other end of the loading block. The operation of motor 1 can drive the threaded column to rotate.

[0008] As a further improvement of the above solution, the loading block is provided with a sliding opening, and the feeding box slides inside the sliding opening, and the feeding box can be flexibly deflected through the sliding opening.

[0009] As a further improvement of the above scheme, a sliding groove is provided on the side of the loading block close to the mesh box, and the interior of the sliding groove is slidingly connected to a sliding block fixed on the driving sleeve. Through the sliding cooperation of the sliding block and the sliding groove, the mesh box can be supported to improve the stability of the mesh box.

[0010] As a further improvement of the above scheme, the feeding box is provided with a feeding chamber and an installation chamber, the feeding port of the feeding box is connected to the feeding chamber, and a rotating hole is provided on the inner wall between the feeding chamber and the installation chamber, and a worm is rotated through the internal rotation of the rotating hole, and the outer wall of the worm located inside the feeding chamber is fixedly sleeved with a plurality of toggle rods rotating inside the feeding chamber, and the inner wall of the top of the feeding chamber is rotatably connected with a transfer rod, and the outer wall of the transfer rod is fixedly sleeved with a worm wheel meshing with the worm, and the outer wall of the transfer rod located inside the feeding port is fixed with a plurality of connecting rods rotating inside the feeding port, The inner wall of the cavity is provided with a sliding groove, and a baffle plate for closing the feeding port is slidably penetrated inside the sliding groove, and the baffle plate located inside the mounting cavity is embedded with a screw sleeve, and the internal thread of the screw sleeve is penetrated with a stud rotatably connected to the inner wall of the mounting cavity, and the outer wall of the stud and the outer wall of the worm located inside the mounting cavity are fixedly sleeved with a transmission wheel, and the outside of the transmission wheel is provided with a transmission belt that cooperates with the transmission wheel. Through the cooperation of the above components, the bait can be transported to the inside of the net box, the bait inside the feeding cavity can be prompted to enter the inside of the net cylinder, and the feeding port can be dredged.

[0011] As a further improvement of the above scheme, the inner wall of the installation cavity is provided with motor 2, the end of the worm located inside the installation cavity is transmission-connected to the output end of motor 2, and the end of the worm located inside the feeding cavity is rotationally connected to the inner wall of the feeding cavity. The outer sides of motor 1 and motor 2 are fixedly sleeved with protective shells, the protective shell located outside motor 1 is fixed on the loading block, and the protective shell located outside motor 2 is fixed on the inner wall of the installation cavity. A battery is provided inside the protective shell, and motor 1 and motor 2 are electrically connected to adjacent batteries respectively. The battery can provide power to motor 1 and motor 2 to drive motor 1 and motor 2 to operate. The operation of motor 2 can drive the worm to rotate, and motor 1 and motor 2 can be protected by the protective shell.

[0012] As a further improvement of the above scheme, support plates are provided at both ends of the loading block, and assembly grooves are provided at both ends of the loading block. The assembly grooves are slidably connected to the inside of the assembly grooves, and the inner wall of the end of the assembly grooves is fixed with multiple push springs whose other ends are fixed to the assembly blocks. The side of the assembly block away from the push springs is fixed with a positioning block that is slidably inserted into the inside of the assembly groove. The support plate is provided with multiple positioning holes, and the positioning blocks located outside the assembly grooves slide inside adjacent positioning holes. The net cage can be supported by the support plate. Through the cooperation of the above components, the corresponding height of the net cage can be adjusted, which can facilitate the breeder to disassemble the support component of the net cage.

[0013] As a further improvement of the above-mentioned scheme, the depth of the assembly groove is greater than the length of the positioning block, and the bottom of the support plate is inclined. The positioning block can be accommodated through the assembly groove whose depth is greater than the length of the positioning block, and the support plate with an inclined bottom can facilitate the user to insert the support plate into the soil inside the rice field.

[0014] As a further improvement of the above solution, a feeding valve is installed on the top of the feeding box, and the feeding valve is connected to the feeding cavity. Through the feeding valve, the user can conveniently feed the bait into the inside of the feeding cavity.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention can quickly capture crayfish caught inside the rice field, and can adjust the net cage according to the depth of the water body inside the rice field to prevent the captured crayfish from being completely submerged in the water body, causing the crayfish inside the net cage to die due to insufficient oxygen supply, thereby effectively improving the survival rate of the captured crayfish.

[0017] 2. The present invention can facilitate the breeder to quickly take out the captured crayfish, and can facilitate the breeder to put in bait, and can regularly dredge the feeding port of the device to prevent the feeding port from being blocked by the bait inside, thereby improving the discharge rate of the feeding port and the endurance of the device, and having high working performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the structure of a capture device for cultivating crayfish in rice fields;

[0019] Figure 2 This is a schematic diagram of the structure of a feeding box in a capture device for cultivating crayfish in rice fields;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure enlarged in the middle;

[0021] Figure 4 for Figure 1 The enlarged structural diagram at B in the middle;

[0022] Figure 5 for Figure 1 The enlarged structural diagram at C in the middle;

[0023] Figure 6 for Figure 1 The enlarged structural diagram at D in the middle;

[0024] Figure 7 A bottom view of a loading block in a capture device for cultivating crayfish in rice fields;

[0025] Figure 8This is a schematic diagram of the structure of a conical cylinder in a capture device for crayfish farming in rice fields;

[0026] Figure 9 A front view of a capture device used for cultivating crayfish in rice fields.

[0027] Description of main symbols:

[0028] 1. Loading block; 2. Net cage; 3. Conical cylinder; 4. Shrimp outlet hole; 5. Blocking plate; 6. Blocking block; 7. Net cylinder; 8. Slide; 9. Feed box; 10. Feed chamber; 11. Mounting chamber; 12. Worm; 13. Toggle rod; 14. Adapter rod; 15. Connecting rod; 16. Baffle plate; 17. Sliding groove; 18. Screw sleeve; 19. Stud; 20. Drive belt; 21. Threaded column; 22. Drive sleeve; 23. Drive plate; 24. Sliding groove; 25. Support plate; 26. Support block; 27. Assembly groove; 28. Assembly block; 29. Push spring; 30. Positioning block; 31. Positioning hole; 32. Closing block; 33. Slider; 34. Fixing block; 35. Screw; 36. Threaded sleeve; 37. Connecting column. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0030] Example 1:

[0031] Combine Figure 1 and Figure 8 The present embodiment is a catching device for cultivating crayfish in rice fields, comprising a loading block 1 and a net cage 2 arranged below the loading block 1, a connecting assembly for connecting the net cage 2 is provided on the loading block 1, a plurality of conical cylinders 3 connected to the inner cavity of the net cage 2 are installed on the outside of the net cage 2, a net cage 7 is provided inside the net cage 2, a plurality of blocking blocks 6 fixed to the inside of the net cage 2 are fixedly sleeved on the outside of the net cage 7, a feeding box 9 is fixed on the top side of the net cage 2, and a feeding port of the feeding box 9 is connected to the net cage 7.

[0032] The implementation principle of a capture device for rice field breeding of crayfish in the embodiment of the present application is as follows: bait can be fed into the interior of the net drum 7 through the feeding box 9, and the operation of the connecting component drives the net cage 2 to deflect, drives the net drum 7 inside the net cage 2 to deflect, and drives the bait inside the net drum 7 to deflect, thereby shaking the bait inside the net drum 7 evenly. When the bait inside the net drum 7 is evenly dispersed inside the net drum 7, the vertical displacement of the loading block 1 drives the net cage 2 to move vertically. When the position of the net cage 2 inside the water body is fixed, the bait inside the net drum 7 will attract the crayfish outside the net cage 2. At this time, the crayfish inside the rice field will enter the interior of the net cage 2 through the conical tube 3. At this time, the entering crayfish can be captured by the net cage 2, and the crayfish inside the net cage 2 can be captured in sections through the blocking block to avoid the captured crayfish being crowded together, which causes the captured crayfish to die.

[0033] Example 2:

[0034] Combine Figure 5 、 Figure 6 、 Figure 7 and Figure 9, based on Example 1, this embodiment is further improved in that: the connecting component includes a driving sleeve 22 arranged on the bottom side of the loading block 1, the internal thread of the driving sleeve 22 is penetrated by a threaded column 21, the outer side of the driving sleeve 22 is hinged with a driving plate 23, the end of the driving plate 23 away from the driving sleeve 22 is hinged to the outer side of the end of the net box 2, the outer side of the end of the net box 2 away from the driving plate 23 is hinged with a support block 26 fixed to the bottom of the loading block 1, and the end of the net box 2 away from the driving plate 23 is provided with a support block 26 for closing the opening of the net box 2 The closing block 32 has a plurality of chutes at one end of the cage 2 near the closing block 32, and a slider 33 fixed to the closing block 32 is slidably connected to the inside of the chutes. A threaded sleeve 36 is embedded at one end of the closing block 32, and a screw rod 35 is passed through the internal thread of the threaded sleeve 36. One end of the screw rod 35 is rotatably connected to a fixed block 34 fixed to the inner wall of the cage 2, and a handle is fixed to the other end of the screw rod 35. The blocking block 6 has a shrimp outlet hole 4, which is a funnel-shaped structure. The closing block 32 is fixed to one side of the cage 2 near the cage 2. Connecting column 37, a plurality of blocking plates 5 are fixed on the outside of connecting column 37, and blocking plates 5 slide inside adjacent shrimp outlet holes 4, and through the rotation of threaded column 21 and the threaded cooperation of driving sleeve 22, drive sleeve 22 to move, drive driving plate 23 to deflect, drive net cage 2 to deflect, drive net drum 7 to deflect, at this time, the bait inside net drum 7 can be shaken evenly, when net cage 2 is placed in water for a period of time, when it is necessary to take out the crayfish caught by net cage 2, turn the handle to drive the screw rod 35 rotates, and through the threaded cooperation of the rotating screw rod 35 and the threaded sleeve 36, the closing block 32 is driven to displace, and the blocking plate 5 is driven to displace. When the displaced closing block 32 opens the opening of the net cage 2, and when the displaced blocking plate 5 opens the shrimp outlet hole 4, the rotation of the threaded column 21 and the threaded cooperation of the driving sleeve 22 drive the driving sleeve 22 to displace, drive the driving plate 23 to deflect, and drive the net cage 2 to deflect. At this time, the crayfish inside the net cage 2 will be discharged through the opening of the net cage 2.

[0035] One end of the loading block 1 is provided with a motor 1, which is a forward and reverse stepping motor. One end of the threaded column 21 is transmission-connected to the output end of the motor 1, and the other end of the threaded column 21 is rotationally connected to the inner wall of the other end of the loading block 1. The operation of the motor 1 can drive the threaded column 21 to rotate.

[0036] The loading block 1 is provided with a sliding opening 8 , and the feeding box 9 slides inside the sliding opening 8 . The feeding box 9 can be flexibly deflected through the sliding opening 8 .

[0037] A sliding groove 24 is provided on one side of the loading block 1 close to the net box 2. The interior of the sliding groove 24 is slidably connected to a sliding block fixed on the driving sleeve 22. Through the sliding cooperation between the sliding block and the sliding groove 24, the net box 2 can be supported to improve the stability of the net box 2.

[0038] Example 3:

[0039] Combine Figure 2 and Figure 3 , based on Example 1, this embodiment is further improved in that: the feeding box 9 is provided with a feeding chamber 10 and an installation chamber 11, the feeding port of the feeding box 9 is communicated with the feeding chamber 10, and a rotary hole is provided on the inner wall between the feeding chamber 10 and the installation chamber 11, and a worm 12 is rotatably penetrated inside the rotary hole, and a plurality of toggle rods 13 rotating inside the feeding chamber 10 are fixedly sleeved on the outer wall of the worm 12 located inside the feeding chamber 10, and a transfer rod 14 is rotatably connected to the inner wall of the top of the feeding chamber 10, and a worm wheel meshing with the worm 12 is fixedly sleeved on the outer wall of the transfer rod 14. A plurality of connecting rods 15 that rotate inside the feeding port are fixed to the outer wall of the transfer rod 14 inside the feeding port, and a sliding groove 17 is provided on the inner wall between the feeding chamber 10 and the installation chamber 11. A baffle plate 16 for closing the feeding port is slidably penetrated inside the sliding groove 17, and a screw sleeve 18 is embedded in the baffle plate 16 inside the installation chamber 11. The internal thread of the screw sleeve 18 is penetrated by a stud 19 that is rotatably connected to the inner wall of the installation chamber 11. The outer wall of the stud 19 and the outer wall of the worm 12 inside the installation chamber 11 are fixedly sleeved with a transmission wheel, and the outside of the transmission wheel is provided with a screw sleeve 18 that is connected to the inner wall of the installation chamber 11. The transmission belt 20 of the transmission wheel transmission cooperates. When it is necessary to put bait into the interior of the net tube 7, the rotation of the worm 12 drives the stud 19 to rotate through the transmission cooperation of the transmission wheel and the transmission belt 20. The screw sleeve 18 is displaced by the threaded cooperation of the rotating stud 19 and the screw sleeve 18, and the baffle plate 16 is displaced. When the displaced baffle plate 16 opens the feeding port, the bait inside the feeding chamber 10 will enter the interior of the net tube 7 through the feeding port. When the worm 12 rotates, it will drive the toggle rod 13 to rotate. By rotating the toggle rod 13, the bait inside the feeding chamber 10 can be toggled, thereby prompting the bait inside the feeding chamber 10 to enter the inside of the net tube 7, and preventing the bait inside the feeding chamber 10 from being retained inside the feeding chamber 10. When the worm 12 rotates, the transmission cooperation between the worm 12 and the worm wheel will drive the worm wheel to rotate, drive the transfer rod 14 to rotate, and drive the connecting rod 15 to rotate. At this time, the feeding port can be unblocked by rotating the connecting rod 15, avoiding the feeding port being blocked by the bait inside the feeding port, thereby increasing the discharge rate of the feeding port.

[0040] The inner wall of the installation cavity 11 is provided with a motor 2, which is a forward and reverse motor. The end of the worm 12 located inside the installation cavity 11 is transmission-connected to the output end of the motor 2, and the end of the worm 12 located inside the feeding cavity 10 is rotationally connected to the inner wall of the feeding cavity 10. The outer sides of motor 1 and motor 2 are fixedly sleeved with protective shells. The protective shell located outside motor 1 is fixed on the loading block 1, and the protective shell located outside motor 2 is fixed on the inner wall of the installation cavity 11. A battery is provided inside the protective shell. Motor 1 and motor 2 are electrically connected to adjacent batteries respectively. The battery can provide power to motor 1 and motor 2. The operation of motor 2 can drive the worm 12 to rotate, and motor 1 and motor 2 can be protected by the protective shell.

[0041] Example 4:

[0042] Combine Figure 4 , based on Example 1, this embodiment is further improved in that: support plates 25 are provided at both ends of the loading block 1, and assembly grooves 27 are provided at both ends of the loading block 1. Assembly blocks 28 are slidably connected inside the assembly grooves 27. The inner wall of the end of the assembly groove 27 is fixed with multiple push springs 29 whose other ends are fixed on the assembly blocks 28. A positioning block 30 is fixed on the side of the assembly block 28 away from the push springs 29, which is slidably inserted into the interior of the assembly groove 27. The support plate 25 is provided with multiple positioning holes 31. The positioning blocks 30 located outside the assembly groove 27 slide inside the adjacent positioning holes 31, and the support plate 25 is inserted into the soil inside the rice field. The net box 2 can be supported by the support plate 25. When the corresponding height of the net box 2 needs to be adjusted, the positioning block 30 can be pressed, and the elasticity of the push spring 29 can drive the assembly block 28 to move, which drives the positioning block 30 to move. When the positioning block After 30 is separated from the adjacent positioning hole 31, the loading block 1 can be pulled to move, driving the net box 2 to move vertically. At this time, the corresponding height of the net box 2 can be adjusted, and when the corresponding height of the net box 2 is adjusted, the assembly block 28 is pushed to reset by pushing the reset elasticity of the spring 29, and the positioning block 30 is pushed to reset. When the positioning block 30 is inserted into the corresponding positioning hole 31, the corresponding height of the loading block 1 is fixed. At this time, the corresponding height of the net box 2 is fixed. When the support plate 25 needs to be removed from the net box 2, the positioning block 30 can be pressed, and the elasticity of the spring 29 can be pushed to drive the assembly block 28 to move, and the positioning block 30 to move. When the positioning block 30 is separated from the adjacent positioning hole 31, the loading block 1 can be pulled to move, driving the net box 2 to move vertically. When the net box 2 is separated from the support plate 25, the support plate 25 is removed from the net box 2.

[0043] The depth of the assembly groove 27 is greater than the length of the positioning block 30, and the bottom of the support plate 25 is inclined. The positioning block 20 can be accommodated through the assembly groove 27 whose depth is greater than the length of the positioning block 30. The support plate 25 with an inclined bottom can facilitate the user to insert the support plate 25 into the soil inside the rice field.

[0044] A feeding valve is installed on the top of the feeding box 9, and the feeding valve is connected to the feeding chamber 10. Through the feeding valve, the user can conveniently feed the bait into the inside of the feeding chamber 10.

[0045] Working principle: When it is necessary to catch crayfish inside the rice field, the support plate 25 is inserted into the soil inside the rice field, and the net cage 2 is supported by the support plate 25. When the net cage 2 enters the water inside the rice field, when it is necessary to adjust the height of the net cage 2, the positioning block 30 is pressed, and the elasticity of the push spring 29 is used to drive the assembly block 28 to move, and the positioning block 30 to move. When the positioning block 30 is separated from the adjacent positioning hole 31, the loading block 1 is pulled to move, and the net cage 2 is driven to move vertically. At this time, the corresponding height of the net cage 2 can be adjusted, and when the corresponding height of the net cage 2 is adjusted, the reset elasticity of the push spring 29 is used to push the assembly block 28 to reset, and the positioning block 30 to reset. When the positioning block 30 is inserted After the corresponding positioning hole 31 is inside, the corresponding height of the loading block 1 is fixed, and the corresponding height of the net box 2 is fixed. Then, the bait is put into the feeding chamber 10 through the feeding valve. When a certain amount of bait is present in the feeding chamber 10, the worm 12 is driven to rotate by the operation of the motor 2. The rotation of the worm 12 is coordinated with the transmission wheel and the transmission belt 20 to drive the stud 19 to rotate. The threaded cooperation between the rotating stud 19 and the screw sleeve 18 drives the screw sleeve 18 to move, and drives the baffle plate 16 to move. When the displaced baffle plate 16 opens the feeding port, the bait inside the feeding chamber 10 will enter the interior of the net cylinder 7 through the feeding port, and then the threaded column 21 is driven to rotate by the operation of the motor 1. The rotation of the threaded column 21 and the threaded cooperation of the driving sleeve 22 drive the driving sleeve 22 to move, drive the driving plate 23 to deflect, drive the net cage 2 to deflect, drive the net drum 7 to deflect, and shake the bait inside the net drum 7. When the bait inside the net drum 7 is evenly dispersed inside the net drum 7, the bait inside the net drum 7 will attract the crayfish outside the net cage 2. At this time, the crayfish inside the rice field will enter the inside of the net cage 2 through the conical cylinder 3. At this time, the crayfish entering can be captured by the net cage 2. The crayfish inside the net cage 2 can be captured by partitioning through the blocking block to avoid the captured crayfish being crowded together, which causes the captured crayfish to die. After the net cage 2 has been placed in the water for a period of time, it is necessary to clean the net cage. 2 When the captured crayfish is taken out, the handle is turned to drive the screw rod 35 to rotate, and the threaded cooperation between the rotating screw rod 35 and the threaded sleeve 36 drives the closing block 32 to move, and drives the blocking plate 5 to move. When the displaced closing block 32 opens the opening of the net cage 2, and when the displaced blocking plate 5 opens the shrimp outlet hole 4, the motor 1 is then operated to drive the threaded column 21 to rotate, and the rotation of the threaded column 21 and the threaded cooperation between the driving sleeve 22 drive the driving sleeve 22 to move, drive the driving plate 23 to deflect, and drive the net cage 2 to deflect. At this time, the crayfish inside the net cage 2 will be discharged through the opening of the net cage 2. At this time, the user can place the corresponding receiving container at the opening of the net cage 2 to receive the captured crayfish.When the worm 12 rotates, the toggle rod 13 is driven to rotate, and the bait in the feeding chamber 10 is moved by the rotating toggle rod 13, thereby prompting the bait in the feeding chamber 10 to enter the inside of the net tube 7, and preventing the bait in the feeding chamber 10 from being retained in the feeding chamber 10. When the worm 12 rotates, the transmission cooperation between the worm 12 and the worm wheel will drive the worm wheel to rotate, drive the transfer rod 14 to rotate, and drive the connecting rod 15 to rotate. At this time, the connecting rod 15 can be rotated by rotating 5 can clear the feeding port to prevent the bait inside from clogging it and increase the feeding rate of the feeding port. When it is necessary to remove the support plate 25 from the net cage 2, the positioning block 30 can be pressed. Through the elasticity of the push spring 29, the assembly block 28 can be moved, and the positioning block 30 can be moved. When the positioning block 30 is separated from the adjacent positioning hole 31, the loading block 1 can be pulled to move, driving the net cage 2 to move vertically. When the net cage 2 is separated from the support plate 25, the support plate 25 is now removed from the net cage 2.

[0046] The above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A device for catching crayfish for paddy field culture, comprising a loading block and a net cage arranged below the loading block, characterized in that: The loading block is provided with a connection assembly for connecting to the net box, a plurality of conical cylinders connected to the inner cavity of the net box are installed on the outside of the net box, a net cylinder is provided inside the net box, a plurality of blocking blocks fixed to the inside of the net box are fixedly sleeved on the outside of the net cylinder, a feeding box is fixed on the top side of the net box, and the feeding port of the feeding box is connected to the net cylinder; The outer cover is fixedly provided with a cover for covering the outer cover of the vehicle frame, and the cover has a cover for covering the vehicle frame, and the cover has a bottom end and a bottom end thereof. The outer wall of the stud and the outer wall of the worm gear located inside the feeding chamber are both fixedly sleeved with a transmission wheel, and the outer wall of the transmission wheel is provided with a transmission belt that cooperates with the transmission wheel for transmission. Support plates are provided at both ends of the loading block, and assembly grooves are opened at both ends of the loading block. The assembly grooves are slidably connected to the inside of the assembly grooves, and the inner wall of the end of the assembly grooves is fixed with multiple push springs whose other ends are fixed to the assembly blocks. A positioning block that is slidably inserted into the inside of the assembly groove is fixed on the side of the assembly block away from the push springs. The support plate is opened with multiple positioning holes, and the positioning blocks located outside the assembly grooves slide inside the adjacent positioning holes.

2. A device for catching crayfish for paddy field farming according to claim 1, characterized in that: One end of the loading block is provided with a motor 1, one end of the threaded column is transmission-connected to the output end of the motor 1, and the other end of the threaded column is rotationally connected to the inner wall of the other end of the loading block.

3. The device for catching crayfish for paddy field culture according to claim 1, characterized in that: The loading block is provided with a sliding opening, and the feeding box slides inside the sliding opening.

4. The device for catching crayfish for paddy field culture according to claim 1, characterized in that: A sliding groove is provided on one side of the loading block close to the mesh box, and a sliding block fixed on the driving sleeve is slidably connected inside the sliding groove.

5. The device for catching crayfish for paddy field culture according to claim 2, characterized in that: Motor 2 is provided on the inner wall of the installation cavity, the end of the worm located inside the installation cavity is transmission-connected to the output end of Motor 2, and the end of the worm located inside the feeding cavity is rotationally connected to the inner wall of the feeding cavity. The outer sides of Motor 1 and Motor 2 are fixedly sleeved with protective shells, the protective shell located outside Motor 1 is fixed on the loading block, and the protective shell located outside Motor 2 is fixed on the inner wall of the installation cavity, and a battery is provided inside the protective shell, and Motor 1 and Motor 2 are electrically connected to adjacent batteries respectively.

6. The device for catching crayfish for paddy field culture according to claim 1, characterized in that: The depth of the assembly groove is greater than the length of the positioning block, and the bottom of the support plate is inclined.

7. The device for catching crayfish for paddy field culture according to claim 1, characterized in that: A feeding valve is installed on the top of the feeding box, and the feeding valve is communicated with the feeding cavity.

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