Fry screening device

Abstract

The fry screening device comprises a water storage tank, a screening mechanism and a fishing mechanism, a cavity is formed in the water storage tank, the top end of the water storage tank is open, the cavity can contain clear water, the screening mechanism comprises a lifting part and a screening frame, the lifting part is arranged on one side of the water storage tank, and the screening frame is detachably connected with the lifting part. The lifting piece is used for driving the screening frame to move into / out of the cavity through the opening; the fishing mechanism comprises a fishing net and a telescopic part, the fishing net is slidably arranged in the cavity in the depth direction of the reservoir, the telescopic part is arranged at the top of the reservoir and connected with the fishing net, and the telescopic part is used for driving the fishing net to ascend to fish fries. The problem that in the prior art, fish fries are screened out from a screening frame to a water storage pool, and long time needs to be consumed for catching the screened fish fries is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fish fry screening, in particular to a fish fry screening device. Background Art

[0002] Fry screening is the process of selectively removing fry from the aquaculture system to ensure the quality and health of the fish population. This process can be based on various criteria, and the goal is to improve aquaculture efficiency, reduce the risk of disease transmission, and ensure the quality of the final product.

[0003] For example, the size of the fry is usually screened using a screening frame, which is the most basic and traditional screening method. The size of the fry is classified by screening. Since the dried fry will enter the reservoir, the operator uses a scoop net to catch the fry in the reservoir. The fishing time is long and the work intensity is high. Utility Model Content

[0004] The purpose of the present invention is to overcome the above technical deficiencies and provide a fry screening device to solve the problem in the prior art that fry are screened out from the screening frame into the water reservoir and it takes a long time to catch the screened fry.

[0005] In order to achieve the above technical purpose, the present invention adopts the following technical solutions:

[0006] The utility model provides a fry screening device, comprising:

[0007] A water reservoir, wherein the water reservoir is provided with a cavity and has an open top, and the cavity can be filled with clean water;

[0008] a screening mechanism, the screening mechanism comprising a lifting member and a screening frame, the lifting member being disposed on one side of the water reservoir, the screening frame being detachably connected to the lifting member, the lifting member being used to drive the screening frame to move into / out of the cavity through the opening; and

[0009] The salvage mechanism includes a fishing net and a telescopic part. The fishing net is slid in the depth direction of the water reservoir and is arranged in the cavity. The telescopic part is arranged on the top of the water reservoir and connected to the fishing net. The telescopic part is used to drive the fishing net to rise to catch the fry.

[0010] In some embodiments, the lifting member includes a mounting frame, a slide, two support rods and a driving unit. The mounting frame is fixed on one side of the water tank, one side of the slide slides with the mounting frame, and the two support rods are fixed at intervals on the other side of the slide. The driving unit is arranged on the mounting frame and connected to the slide. The driving unit is used to drive the slide to move in the height direction, and the screening frame can be spanned between the two support rods.

[0011] In some embodiments, the driving part includes a threaded screw, a forward and reverse motor, and a moving block. The threaded screw is rotatably connected to the mounting bracket along the vertical direction. The forward and reverse motor is fixed on the mounting bracket and the output end is fixedly connected to one end of the threaded screw. The moving block is threadably rotatably connected to the threaded screw and is fixedly connected to the slide.

[0012] In some embodiments, at least one limiting protrusion is provided on each of the two support rods, and at least one limiting hole is provided on the flanges on opposite sides of the screening frame.

[0013] In some embodiments, the fishing net includes a square frame and a net bag, the opposite sides of the square frame are slidingly connected to the two side walls of the cavity respectively, the square frame is connected to the telescopic member, and the net bag is fixedly connected to the square frame.

[0014] In some embodiments, a liquid pumping mechanism is further included, which includes a liquid pump and a liquid catheter. The liquid pump is fixed on the top of the water reservoir, the liquid inlet end of the liquid pump is connected to one end of the liquid catheter, and the other end of the liquid catheter can extend to the inner bottom of the cavity.

[0015] In some embodiments, the square frame is provided with a through hole for the catheter to pass through.

[0016] In some embodiments, the depth of the screening frame 22 is 1 / 2-2 / 3 of the depth of the water reservoir 1 .

[0017] In some embodiments, the telescopic member is at least one electric push rod fixed on the top of the water reservoir.

[0018] In some embodiments, the depth of the water reservoir is 1.5m-2m.

[0019] Compared with the prior art, the utility model provides a fry screening device, which is arranged on one side of the water reservoir through a lifting member, and the screening frame is detachably connected to the lifting member. The lifting member is used to drive the screening frame to move in / out of the cavity through the opening, which can effectively stimulate the fry in the screening frame to swim, and ensure that smaller fry can pass through the perforations on the screening frame into the water reservoir; at the same time, the fishing net is slid in the cavity along the depth direction of the water reservoir, and the telescopic member is arranged at the top of the water reservoir and connected to the fishing net. The telescopic member is used to drive the fishing net to rise to catch the fry, and the fishing effect is good, which effectively shortens the time spent by the staff to catch the fry. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural diagram of a fry screening device provided by an embodiment of the utility model;

[0021] Figure 2 It is a structural diagram of the screening frame provided by an embodiment of the present utility model;

[0022] Figure 3 This is a schematic diagram of the connection between the slide plate and the two support rods provided in an embodiment of the utility model;

[0023] Figure 4 It is a structural schematic diagram of a fishing net provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] In order to solve the technical problem in the prior art that it takes a long time to catch the fry after the fry are screened out from the screening frame and into the water reservoir, the utility model provides a fry screening device that can quickly catch the screened fry.

[0026] See also Figure 1-Figure 4 , Figure 1-Figure 4This is a fry screening device in one embodiment of the utility model, comprising a water reservoir 1, a screening mechanism 2 and a salvage mechanism 3. The water reservoir 1 is provided with a cavity with an open top, and the cavity can be filled with clean water; the screening mechanism 2 comprises a lifting member 21 and a screening frame 22, the lifting member 21 is provided on one side of the water reservoir 1, the screening frame 22 is detachably connected to the lifting member 21, and the lifting member 21 is used to drive the screening frame 22 to move in / out of the cavity through the opening; the salvage mechanism 3 comprises a fishing net 31 and a telescopic member 32, the fishing net 31 is slidably provided in the cavity along the depth direction of the water reservoir 1, the telescopic member 32 is provided at the top of the water reservoir 1 and connected to the fishing net 31, and the telescopic member 32 is used to drive the fishing net 31 to rise to catch the fry.

[0027] It should be noted that the water reservoir 1 is built under the horizontal ground. In this specific embodiment, the length of the water reservoir 1 is 2m, the width is 1.2m, and the depth of the water reservoir 1 is 1.5m-2m. Specifically, the depth of the water reservoir 1 is 1.8m.

[0028] In this specific embodiment, the lifting member 21 includes a mounting frame 211, a slide 212, two support rods 213 and a driving unit 214. The mounting frame 211 is fixed on one side of the water tank 1, and one side of the slide 212 slides with the mounting frame 211. The two support rods 213 are fixed at intervals on the other side of the slide 212. The driving unit 214 is provided on the mounting frame 211 and connected to the slide 212. The driving unit 214 is used to drive the slide 212 to move in the height direction, and the screening frame 22 can be spanned between the two support rods 213.

[0029] It should be noted that different types of screening frames 22 can be selected according to the quality of the fry to be screened. The sizes of the perforations on each screening frame 22 are different. Specifically, the perforations are rectangular.

[0030] In addition, the driving portion 214 is not limited to a specific structure, as long as it can drive the slide plate 212 to move up and down, and further details are not given here.

[0031] In this specific embodiment, the driving part 214 includes a threaded screw 2141, a forward and reverse motor 2142 and a moving block 2143. The threaded screw 2141 is rotatably connected to the mounting bracket 211 along the vertical direction. The forward and reverse motor 2142 is fixed on the mounting bracket 211 and the output end is fixedly connected to one end of the threaded screw 2141. The moving block 2143 is threadedly rotatably connected to the threaded screw 2141 and is fixedly connected to the slide 212.

[0032] Specifically, the forward and reverse motor 2142 drives the threaded screw 2141 to rotate, which can drive the moving block 2143 to move along the axis direction of the threaded screw 2141, thereby driving the slide plate 212 to slide up and down.

[0033] On the basis of the above scheme, in order to provide stability for the screening frame 22 spanning between the two support rods 213, specifically, at least one limiting protrusion 2131 is provided on each of the two support rods 213, and at least one limiting hole 222 is provided on the flanges 221 on the opposite sides of the screening frame 22, and the limiting protrusion 2131 can be passed through the limiting hole 222.

[0034] In this specific embodiment, the fishing net 31 includes a square frame 311 and a net bag 312. The opposite sides of the square frame 311 are slidingly connected to the two side walls of the cavity respectively. The square frame 311 is connected to the telescopic member 32, and the net bag 312 is fixedly connected to the square frame 311, wherein the telescopic member 32 is at least one electric push rod fixedly provided on the top of the water reservoir 1.

[0035] In this specific embodiment, a liquid pumping mechanism 4 is also included, which includes a liquid pump 41 and a liquid guide tube 42. The liquid pump 41 is fixed to the top of the water reservoir 1, and the liquid inlet end of the liquid pump 41 is connected to one end of the liquid guide tube 42. The other end of the liquid guide tube 42 can extend to the inner bottom of the cavity, wherein a through hole 310 is opened on the square frame 311 for the liquid guide tube 42 to pass through.

[0036] It should be noted that, in order to improve the survival rate of the fry, specifically, the clean water in the water reservoir 1 needs to be replaced regularly, and the clean water in the water reservoir 1 can be pumped out by the liquid pump 41 .

[0037] It should be noted that the depth of the screening frame 22 is 1 / 2-2 / 3 of the depth of the water reservoir 1 . In this specific embodiment, the depth of the screening frame 22 is 1 / 2 of the depth of the water reservoir 1 .

[0038] The specific embodiments of the present invention described above do not limit the scope of protection of the present invention. Any other corresponding changes and modifications made based on the technical concept of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A fry screening device, characterized in that: include: A water reservoir, wherein the water reservoir is provided with a cavity and has an open top, and the cavity can be filled with clean water; a screening mechanism, the screening mechanism comprising a lifting member and a screening frame, the lifting member being disposed on one side of the water reservoir, the screening frame being detachably connected to the lifting member, and the lifting member being used to drive the screening frame to move into / out of the cavity through the opening; as well as, The salvage mechanism includes a fishing net and a telescopic part. The fishing net is slid in the depth direction of the water reservoir and is arranged in the cavity. The telescopic part is arranged at the top of the water reservoir and connected to the fishing net. The telescopic part is used to drive the fishing net to rise to catch the fry.

2. A fry screening device according to claim 1, characterized in that: The lifting component includes a mounting frame, a slide, two support rods and a driving unit. The mounting frame is fixed on one side of the water tank, one side of the slide slides with the mounting frame, and the two support rods are fixed on the other side of the slide at intervals. The driving unit is arranged on the mounting frame and connected to the slide. The driving unit is used to drive the slide to move in the height direction, and the screening frame can be spanned between the two support rods.

3. A fry screening device according to claim 2, characterized in that: The driving part includes a threaded screw, a forward and reverse motor and a moving block. The threaded screw is rotatably connected to the mounting bracket along the vertical direction. The forward and reverse motor is fixed on the mounting bracket and the output end is fixedly connected to one end of the threaded screw. The moving block is threadably connected to the threaded screw and fixedly connected to the slide.

4. A fry screening device according to claim 3, characterized in that: At least one limiting protrusion is provided on each of the two support rods, and at least one limiting hole is provided on the flanges on the opposite sides of the screening frame.

5. A fry screening device according to claim 1, characterized in that: The fishing net includes a square frame and a net bag. The opposite sides of the square frame are slidably connected to the two side walls of the cavity respectively. The square frame is connected to the telescopic member, and the net bag is fixedly connected to the square frame.

6. A fry screening device according to claim 5, characterized in that: It also includes a liquid pumping mechanism, which includes a liquid pump and a liquid guide tube. The liquid pump is fixed on the top of the water reservoir, the liquid inlet end of the liquid pump is connected to one end of the liquid guide tube, and the other end of the liquid guide tube can extend to the inner bottom of the cavity.

7. A fry screening device according to claim 6, characterized in that: The square frame is provided with a through hole for the liquid guiding tube to pass through.

8. A fry screening device according to claim 2, characterized in that: The depth of the screening frame is 1 / 2-2 / 3 of the depth of the water reservoir.

9. A fry screening device according to claim 1, characterized in that: The telescopic member is at least one electric push rod fixed on the top of the water tank.

10. The fry screening device according to claim 1, characterized in that: The depth of the water reservoir is 1.5m-2m.

Images