Red swamp crayfish quantitative staged feeder
By designing a quantitative, staged feed dispenser for red swamp crayfish, the problem of adjusting feed particle size and spraying range in existing technologies has been solved. This enables quantitative and uniform feeding according to the growth stage of the crayfish, avoiding indigestion and feed waste, and ensuring farming efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XUZHOU VOCATIONAL COLLEGE OF BIOENG
- Filing Date
- 2025-06-24
- Publication Date
- 2026-06-30
AI Technical Summary
Existing feed dispensers for red swamp crayfish are unable to adjust feed particle size and spray range according to growth stage, resulting in indigestion in juvenile crayfish or insufficient nutrition in adult crayfish. Furthermore, in high-density farming environments, there are problems of feed waste and uneven distribution.
A quantitative, staged feed dispenser for red swamp crayfish was designed, comprising a feed dispensing mechanism, a diffusion component, and a transmission component. It can adjust the feed particle size and spray range according to the crayfish's growth stage. The rotation angle and speed of the nozzle are controlled by a screening component and a motor to achieve quantitative and uniform feeding.
It enables flexible adjustment of feed particle size and spraying range according to the growth stage of shrimp, avoiding indigestion and malnutrition, reducing feed waste, and ensuring uniform distribution in high-density farming environments.
Smart Images

Figure CN224419772U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of aquaculture technology, specifically to a quantitative, phased feed dispenser for red swamp crayfish. Background Technology
[0002] The Procambarus clarkii feed dispenser uses a motor, shaft, pulley, and other mechanical structures to drive the feed paddle to rotate, transporting the feed from the storage chamber to the feeding funnel, and then into the rearing pond through a conical feeding disc and feeding pipe. This eliminates the need for manual feeding, freeing up workers' hands and improving work efficiency.
[0003] In the prior art, a patent publication number CN202121621012.6 discloses an automatic feeding device for crayfish farming, which includes an electric tricycle. A triangular support frame is detachably installed on the upper part of the rear compartment of the electric tricycle, and the upper part of the outwardly extending end is connected to a support frame. An automatic feeder is placed inside the support frame.
[0004] While this device can solve problems such as the inconvenience of manual feeding, the lack of a sieve structure may make it difficult to adjust the feed particle size according to the growth stage of the red swamp crayfish. If juvenile crayfish consume feed with excessively large particles, they will have difficulty digesting and absorbing it, affecting their growth rate and leading to a prolonged growth cycle. If adult crayfish consume feed with excessively small particles for a long time, their nutritional needs may not be met, further affecting their physical condition and reproductive capacity. During use, the device also has the problem of the feed spraying range being difficult to adjust, which may lead to excessive concentration of feed, resulting in feed accumulation in some areas and insufficient feeding in others. In high-density farming environments, this may further exacerbate feed waste. Utility Model Content
[0005] To address the aforementioned shortcomings of existing technologies, this invention provides a quantitative, phased feed dispenser for red swamp crayfish, which effectively solves the problems of difficulty in adjusting feed particle size according to the growth stage of red swamp crayfish and the inconvenience in adjusting the feed spraying range in existing technologies.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] This utility model provides a quantitative and phased feed dispenser for red swamp crayfish, including a feeder body, a support frame, a storage bin fixedly installed inside the support frame, a spiral feeding pipe connected to the bottom of the storage bin, a water pump connected to the other end of the spiral feeding pipe, a hose connected to the top of the water pump, a nozzle connected to the other end of the hose, a culture trough located below the nozzle, a first motor adapted to be installed on the outer end face of the spiral feeding pipe, and a controller fixedly installed on the outside of the spiral feeding pipe;
[0008] The feeding mechanism includes a screening component for adjusting the particle size of feed that can enter the culture tank according to the growth stage of the shrimp, which is located inside the culture tank.
[0009] A diffusion assembly is located on top of the water pump for adjusting the vertical rotation angle, horizontal rotation angle, and speed of the nozzle according to the growth stage of the shrimp.
[0010] And a transmission component that can drive the screening component to adjust the size of the feed particles that can pass through when the nozzle is adjusted to a vertical rotation angle, which is located outside the diffusion component;
[0011] The screening assembly includes a first screen fixedly installed on the inner wall of the aquaculture tank, a limiting groove formed on the inner walls of both sides of the aquaculture tank, a sliding plate slidably connected to the inner wall of the limiting groove, and a second screen fixedly connected to the inner surface of the sliding plate and used in conjunction with the first screen.
[0012] Furthermore, when the sliding plate drives the second screen to slide along the inner wall of the limiting groove, it can control the grid spacing between the first screen and the second screen, thereby adjusting the feed particle size that can enter the breeding tank.
[0013] Furthermore, the diffusion assembly includes a second motor adapted to be installed on the top of the water pump, a connecting column fixedly connected to the output end of the second motor via a coupling, a fixing frame fixedly sleeved on the outer surface of the connecting column, and a third motor adapted to be installed inside the fixing frame and used in conjunction with the nozzle.
[0014] Furthermore, a rotating bearing sleeve is installed at the connection between the connecting column and the water pump, the nozzle is fixedly installed on the top of the fixed frame, and the output end of the third motor is fixedly connected to the nozzle through a coupling;
[0015] When the second motor drives the connecting column and the fixing frame to rotate, it can drive the nozzle to rotate vertically through the fixing frame. The third motor can control the horizontal rotation angle and speed of the nozzle through its output end, thereby controlling the feed spraying range.
[0016] Furthermore, the transmission assembly includes a turntable fixedly connected to the outer end face of the connecting column, a swing column fixedly installed on the outer surface of the turntable, a rotating rod sleeved on the outside of the swing column, a rotating column fixedly connected to the outer end face of the swing column, and a hinge rod fixedly installed on the other end of the rotating column via a bearing.
[0017] Furthermore, the end of the rotating rod away from the swivel column is fixedly mounted on the outer surface of the water pump by a bearing, and its inner wall is in sliding contact with the outer surface of the swivel column.
[0018] Furthermore, the transmission assembly also includes a connecting column fixedly connected to the outer end face of the hinge rod, a fixing block fixedly connected to the outer surface of the rotating rod and used in conjunction with the connecting column, and a guide groove penetrating the surface of the nozzle.
[0019] Furthermore, the outer end face of the connecting column is rotatably connected to the outer surface of the fixed block, and the outer surface of the connecting column is in sliding contact with the inner wall of the guide groove.
[0020] The technical solution provided by this utility model has the following advantages compared with the known prior art:
[0021] This invention, by setting up a feeding mechanism, can flexibly adjust the feed particle size and feed spraying range according to the growth stage of the red swamp crayfish. This not only avoids the indigestion caused by juvenile crayfish eating large-particle feed, or the inability of adult crayfish to meet their nutritional needs by eating small-particle feed, but also prevents serious waste caused by excessive concentration of feed in high-density farming environments. This achieves the effect of avoiding the growth hindrance of crayfish due to unsuitable particle size, while ensuring uniform feed distribution and avoiding local accumulation or lack of food. Attached Figure Description
[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This utility model Figure 1 A magnified view of the structure at point A in the middle;
[0025] Figure 3 This is a structural schematic diagram of the present invention from another perspective;
[0026] Figure 4 This utility model Figure 3 Enlarged structural diagram of section B in the middle;
[0027] Figure 5 This utility model Figure 3 A magnified view of the structure at point C in the middle;
[0028] Figure 6 This is a schematic diagram of the internal structure of the aquaculture tank in this utility model.
[0029] The labels in the diagram represent: 100, feeder body; 110, support frame; 120, storage bin; 130, spiral feed pipe; 140, water pump; 150, hose; 160, nozzle; 170, breeding tank; 180, first motor; 190, controller; 200, material distribution mechanism; 210, screening assembly; 211, first screen; 212, limiting groove; 213, sliding plate; 214, second screen; 220, diffusion assembly; 221, second motor; 222, connecting column; 223, fixing frame; 224, third motor; 230, transmission assembly; 231, turntable; 232, swing column; 233, rotating rod; 234, rotating column; 235, hinge rod; 236, connecting column; 237, fixing block; 238, guide groove. Detailed Implementation
[0030] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0031] The present invention will be further described below with reference to the embodiments.
[0032] Example: A quantitative, phased feed dispenser for red swamp crayfish, see attached diagram. Figure 1 ~Attached Figure 6 ,include,
[0033] The feeder body 100 includes a bracket 110, a storage bin 120 fixedly installed inside the bracket 110, a spiral feeding pipe 130 connected to the bottom of the storage bin 120, a water pump 140 connected to the other end of the spiral feeding pipe 130, a hose 150 connected to the top of the water pump 140, a nozzle 160 connected to the other end of the hose 150, a breeding tank 170 located below the nozzle 160, a first motor 180 adapted to be installed on the outer end face of the spiral feeding pipe 130, and a controller 190 fixedly installed on the outside of the spiral feeding pipe 130.
[0034] It should be noted that the bracket 110 is used to fix the storage bin 120, which is used to store feed and provide materials for continuous feeding. The first motor 180 can drive the spiral blades in the spiral feeding pipe 130 to rotate, thereby transporting the feed in the storage bin 120 to the water pump 140 for quantitative feeding. The water pump 140 is used to mix and pressurize the feed with water, and then transport it to the nozzle 160 through the hose 150 to form a jetting force. Finally, the nozzle 160 evenly sprays the feed into the breeding tank 170, which is the breeding area for red swamp crayfish. The controller 190 can coordinate the operation of each component in the feeder body 100 through a preset program. The feeder body 100 is existing technology, and this solution will not describe it in detail. Moreover, those skilled in the art can clearly understand its working principle.
[0035] The feeding mechanism 200 includes a screening component 210 for adjusting the particle size of feed that can enter the culture tank 170 according to the growth stage of the shrimp, which is located inside the culture tank 170.
[0036] A diffuser assembly 220 is located on top of a water pump 140 and is used to adjust the vertical rotation angle, horizontal rotation angle and speed of the nozzle 160 according to the growth stage of the shrimp.
[0037] And a transmission component 230 that can drive the screening component 210 to adjust the size of the feed particles that can pass through when the nozzle 160 is adjusted to vertical rotation angle, which is located outside the diffusion component 220.
[0038] The screening assembly 210 includes a first screen 211 fixedly installed on the inner wall of the aquaculture tank 170, a limiting groove 212 opened on the inner walls of both sides of the aquaculture tank 170, a sliding plate 213 slidably connected to the inner wall of the limiting groove 212, and a second screen 214 fixedly connected to the inner surface of the sliding plate 213 and used in conjunction with the first screen 211.
[0039] It should be noted that when the second screen 214 slides in the limiting groove 212 via the slide plate 213, it can change the grid spacing of the first screen 211. When the diffuser assembly 220 controls the nozzle 160 to rotate vertically, the transmission assembly 230 can drive the slide plate 213 to move horizontally, thereby adjusting the grid spacing of the first screen 211 to 1mm suitable for the juvenile shrimp stage or 3mm suitable for the adult shrimp stage, so as to achieve the effect of automatically adapting to the feed particle size.
[0040] Specifically, when the slide plate 213 drives the second screen 214 to slide along the inner wall of the limiting groove 212, it can control the grid spacing between the first screen 211 and the second screen 214, thereby adjusting the feed particle size that can enter the breeding tank 170.
[0041] Furthermore, the diffusion assembly 220 includes a second motor 221 adapted to be installed on the top of the water pump 140, a connecting column 222 fixedly connected to the output end of the second motor 221 via a coupling, a fixing frame 223 fixedly sleeved on the outer surface of the connecting column 222, and a third motor 224 adapted to be installed inside the fixing frame 223 and used in conjunction with the nozzle 160.
[0042] It should also be noted that the second motor 221 can drive the fixed frame 223 to rotate through the connecting column 222, thereby causing the fixed frame 223 to drive the nozzle 160 to rotate vertically by 60° or 90°.
[0043] Juvenile shrimp are small, typically ≤3cm in length, and have weak swimming ability. Their activity range is usually concentrated in the shallow water area of the 170° rearing tank or near aquatic plants. A 60° nozzle with a 160° rotation angle can concentrate the feed in a small fan-shaped area centered on the nozzle, making the feed distribution highly matched with the activity range of juvenile shrimp and reducing feeding difficulties caused by feed being too far away. Adult shrimp are larger, reaching 5-10cm in length, and have stronger swimming ability. Their activity range can usually cover the entire 170° rearing tank. A 90° nozzle rotation angle can expand the feed spraying range, covering a larger area and meeting the feeding needs of adult shrimp in a wider area, avoiding situations where shrimp in some areas compete for food and other areas lack food due to concentrated feed.
[0044] The third motor 224 is used to control the horizontal rotation angle and speed of the nozzle 160, expand or reduce the spray coverage area, and adapt to different breeding densities. For example, by controlling the nozzle speed to increase by 20%, a high-density feeding mode can be implemented to ensure that the feed is evenly covered in the high-density breeding area.
[0045] Preferably, a rotating bearing sleeve is installed at the connection between the connecting column 222 and the water pump 140, the nozzle 160 is fixedly installed on the top of the fixing frame 223, and the output end of the third motor 224 is fixedly connected to the nozzle 160 through a coupling.
[0046] When the second motor 221 drives the connecting column 222 and the fixing frame 223 to rotate, it can drive the nozzle 160 to rotate vertically through the fixing frame 223. The third motor 224 can control the horizontal rotation angle and speed of the nozzle 160 through its output end, thereby controlling the feed spraying range.
[0047] It should be noted that the transmission assembly 230 includes a turntable 231 fixedly connected to the outer end face of the connecting column 222, a swing column 232 fixedly installed on the outer surface of the turntable 231, a rotating rod 233 sleeved on the outside of the swing column 232, a rotating column 234 fixedly connected to the outer end face of the swing column 232, and a hinge rod 235 fixedly installed on the other end of the rotating column 234 by a bearing.
[0048] Furthermore, the end of the rotating rod 233 away from the rotating column 234 is fixedly mounted on the outer surface of the water pump 140 by a bearing, and its inner wall slides in contact with the outer surface of the swing column 232.
[0049] Specifically, the transmission assembly 230 also includes a connecting column 236 fixedly connected to the outer end face of the hinge rod 235, a fixing block 237 fixedly connected to the outer surface of the rotating rod 233 and used in conjunction with the connecting column 236, and a guide groove 238 penetrating the surface of the nozzle 160.
[0050] It should be explained that when the second motor 221 drives the connecting column 222 to rotate, the turntable 231 can rotate synchronously with the connecting column 222, and drive the swing column 232 to push the rotating rod 233 to rotate around the bearing on the outer surface of the water pump 140. When the rotating rod 233 swings, it can drive the hinge rod 235 to move through the rotating column 234, and then drive the connecting column 236 to slide along the inner wall of the guide groove 238 through the hinge rod 235. Then, through the cooperation of the connecting column 236 and the fixed block 237, the sliding plate 213 is pulled to move along the inner wall of the limiting groove 212, and finally drive the second screen 214 to change the aperture of the first screen 211.
[0051] Preferably, the outer end face of the connecting column 236 is rotatably connected to the outer surface of the fixing block 237, and the outer surface of the connecting column 236 is in sliding contact with the inner wall of the guide groove 238.
[0052] When using,
[0053] According to the growth stage of the red swamp crayfish, the first motor 180 is started by the controller 190 through the preset program to drive the spiral blades in the spiral feeding pipe 130 to rotate, and the feed in the storage bin 120 is transported to the water pump 140. After the feed and water are mixed into a suspension, it is sent to the nozzle 160 through the hose 150.
[0054] Meanwhile, the second motor 221 drives the connecting column 222 and the fixing frame 223 to rotate, and the fixing frame 223 drives the nozzle 160 to rotate vertically. The nozzle rotates to 60° in the juvenile shrimp stage and to 90° in the adult shrimp stage. The third motor 224 controls the horizontal rotation angle and speed of the nozzle 160 to adapt to different breeding densities.
[0055] When the nozzle 160 rotates vertically: the connecting column 222 drives the turntable 231 to rotate synchronously. The swing column 232 pushes the rotating rod 233 with the rotation of the turntable 231, so that it rotates around the bearing on the outer surface of the water pump 140. Then, through the cooperation of the rotating rod 233 and the rotating column 234, the hinge rod 235 moves, so that the hinge rod 235 drives the connecting column 236 to slide along the inner wall of the guide groove 238. Then, through the cooperation of the connecting column 236 and the fixed block 237, the sliding plate 213 is pulled to move on the inner wall of the limiting groove 212. The sliding plate 213 drives the second screen 214 to change the grid spacing with the first screen 211. The spacing is adjusted to 1mm for the juvenile shrimp stage and 3mm for the adult shrimp stage.
[0056] Finally, the nozzle 160 sprays feed of appropriate particle size evenly onto the breeding tank 170 at a set angle and speed to achieve the effect of phased quantitative feeding.
[0057] In summary, by setting up the feed distribution mechanism 200, the particle size and spraying range of the feed can be flexibly adjusted according to the growth stage of the red swamp crayfish. This not only avoids the indigestion caused by juvenile crayfish eating large-particle feed, or the inability of adult crayfish to meet their nutritional needs by eating small-particle feed, but also prevents serious waste caused by excessive concentration of feed in high-density farming environments. This achieves the effect of avoiding the growth hindrance of crayfish due to unsuitable particle size, while ensuring uniform feed distribution and avoiding local accumulation or lack of food.
[0058] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.
Claims
1. A quantitative, phased feed dispenser for red swamp crayfish, characterized in that, include, The feeder body (100) includes a bracket (110), a storage bin (120) fixedly installed inside the bracket (110), a spiral feeding pipe (130) connected to the bottom of the storage bin (120), a water pump (140) connected to the other end of the spiral feeding pipe (130), a hose (150) connected to the top of the water pump (140), a nozzle (160) connected to the other end of the hose (150), a breeding tank (170) located below the nozzle (160), a first motor (180) adapted to be installed on the outer end face of the spiral feeding pipe (130), and a controller (190) fixedly installed on the outside of the spiral feeding pipe (130). The feeding mechanism (200) includes a screening component (210) for adjusting the particle size of feed that can enter the culture tank (170) according to the growth stage of the shrimp, which is located inside the culture tank (170); A diffusion assembly (220) is disposed on top of the water pump (140) for adjusting the vertical rotation angle, horizontal rotation angle and speed of the nozzle (160) according to the growth stage of the shrimp. And a transmission component (230) that can drive the screening component (210) to adjust the size of the feed particles that can pass through when the nozzle (160) is adjusted to a vertical rotation angle, is located outside the diffusion component (220). The screening assembly (210) includes a first screen (211) fixedly installed on the inner wall of the breeding tank (170), a limiting groove (212) opened on both sides of the inner wall of the breeding tank (170), a sliding plate (213) slidably connected to the inner wall of the limiting groove (212), and a second screen (214) fixedly connected to the inner surface of the sliding plate (213) and used in conjunction with the first screen (211).
2. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 1, characterized in that, When the sliding plate (213) drives the second screen (214) to slide along the inner wall of the limiting groove (212), it can control the grid spacing between the first screen (211) and the second screen (214), thereby adjusting the feed particle size that can enter the breeding tank (170).
3. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 2, characterized in that, The diffusion assembly (220) includes a second motor (221) adapted to be installed on the top of the water pump (140), a connecting column (222) fixedly connected to the output end of the second motor (221) via a coupling, a fixing frame (223) fixedly sleeved on the outer surface of the connecting column (222), and a third motor (224) adapted to be installed on the inner side of the fixing frame (223) and used in conjunction with the nozzle (160).
4. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 3, characterized in that, A rotating bearing sleeve is installed at the connection between the connecting column (222) and the water pump (140). The nozzle (160) is fixedly installed on the top of the fixing frame (223). The output end of the third motor (224) is fixedly connected to the nozzle (160) through a coupling. When the second motor (221) drives the connecting column (222) and the fixing frame (223) to rotate, the fixing frame (223) can drive the nozzle (160) to rotate vertically. The third motor (224) can control the horizontal rotation angle and speed of the nozzle (160) through its output end, thereby controlling the feed spraying range.
5. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 4, characterized in that, The transmission assembly (230) includes a turntable (231) fixedly connected to the outer end face of the connecting column (222), a swing column (232) fixedly installed on the outer surface of the turntable (231), a rotating rod (233) sleeved on the outside of the swing column (232), a rotating column (234) fixedly connected to the outer end face of the swing column (232), and a hinge rod (235) fixedly installed on the other end of the rotating column (234) by a bearing.
6. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 5, characterized in that, The end of the rotating rod (233) away from the rotating column (234) is fixedly installed on the outer surface of the water pump (140) by a bearing, and its inner wall is in sliding contact with the outer surface of the swing column (232).
7. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 6, characterized in that, The transmission assembly (230) further includes a connecting column (236) fixedly connected to the outer end face of the hinge rod (235), a fixing block (237) fixedly connected to the outer surface of the rotating rod (233) and used in conjunction with the connecting column (236), and a guide groove (238) penetrating the surface of the nozzle (160).
8. The quantitative, phased feed dispenser for Procambarus clarkii according to claim 7, characterized in that, The outer end face of the connecting column (236) is rotatably connected to the outer surface of the fixing block (237), and the outer surface of the connecting column (236) is in sliding contact with the inner wall of the guide groove (238).