Eriocheir sinensis breeding fry sampling and salvaging device

Abstract

The utility model relates to the technical field of juvenile crab fishing, and discloses an eriocheir sinensis breeding juvenile sampling and fishing device which comprises a fishing barrel used for collecting samples, the right side of the top of the fishing barrel is fixedly connected with a cover plate, the front end and the rear end of the left side of the cover plate are each provided with an opening, and the inner side of the cover plate is rotationally connected with a rotating cover. A shifting block is fixedly connected to the upper side of the rotating cover, the outer wall of the shifting block is tightly matched with the inner wall of the opening, a U-shaped plate is rotationally connected to the outer portion of the upper end of the fishing barrel through an adjusting assembly, and a telescopic handle is installed at the right end of the U-shaped plate through a connecting structure. According to the crab fishing device, the U-shaped plate rotates outside the fishing barrel, so that the angle between the U-shaped plate and the fishing barrel is adjusted, the angle of the fishing barrel is convenient to adjust, juvenile crabs are convenient to fish, the inner rod stretches out and draws back in the rod sleeve, the angle of the handle is adjusted, and fishing is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of juvenile crab salvage, in particular to a sampling and salvaging device for cultured Chinese mitten crab seedlings. Background Art

[0002] The Chinese mitten crab fry sampling and salvaging device is a device specifically designed for collecting and detecting the number and growth status of fry (juvenile crabs) during the Chinese mitten crab (also known as hairy crab) farming process. This device is designed to improve farming efficiency, ensure the healthy growth of farmed fry, and provide data support for subsequent management and decision-making.

[0003] During the breeding process of Chinese mitten crab, in order to determine the growth status of juvenile crabs, it is necessary to salvage juvenile crab samples for observation. In the existing technology, the salvaging equipment is relatively simple and inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the existing technology, and a Chinese mitten crab seedling sampling and salvaging device is proposed. The angle of the salvage bucket can be adjusted according to needs to facilitate salvage, and the length of the handle can be adjusted to facilitate the salvage of young crabs at a distance.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A sampling and salvaging device for cultured Chinese mitten crab seedlings comprises a salvage bucket for collecting samples, a cover plate fixedly connected to the top right side of the salvage bucket, openings are provided at both front and rear ends of the left side of the cover plate, a rotating cover is rotatably connected to the inner side of the cover plate, a toggle block is fixedly connected to the upper side of the rotating cover, the outer wall of the toggle block is tightly fitted with the inner wall of the opening, a U-shaped plate is rotatably connected to the outside of the upper end of the salvage bucket via an adjusting assembly, and a telescopic handle is installed at the right end of the U-shaped plate via a connecting structure.

[0007] Furthermore, the adjustment assembly includes an arc-shaped plate fixedly connected to the front and rear sides of the salvage bucket, and a second fastener is threadedly connected to the left side of the arc-shaped plate.

[0008] Furthermore, the adjustment assembly also includes a fixing pin rotatably connected to the middle part of the left end of the U-shaped plate, the end of the fixing pin is fixedly connected to the inner part of the upper end of the salvage bucket, the outer part of the left end of the U-shaped plate is fixedly connected to a disc, the outer side of the disc is fixedly connected to a T-shaped ring, and the outer wall of the T-shaped ring is movably connected to the inner side of the arc-shaped plate.

[0009] Furthermore, the connection structure includes a sliding block slidably connected to the outside of the right end of the U-shaped plate, the left side of the sliding block is threadedly connected to a third fastener, and the right side of the sliding block is fixedly connected to a connecting ring.

[0010] Furthermore, the telescopic handle includes a rod sleeve arranged on the right side of the U-shaped plate, the interior of the rod sleeve is movably connected to an inner rod, the left end of the inner rod is provided with a threaded area, and the outer wall of the threaded area is threadedly connected to the inside of the connecting ring.

[0011] Furthermore, a first fastener is threadedly connected to the upper side of the left end of the rod sleeve, and a handle is fixedly connected to the right end of the rod sleeve.

[0012] Furthermore, a filter baffle is fixedly connected to the lower end of the inner wall of the salvage bucket for separating the juvenile crabs and the liquid.

[0013] Furthermore, a drain pipe is fixedly connected to the bottom of the salvage bucket for draining liquid.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the U-shaped plate is arranged to rotate outside the salvage bucket, so as to adjust the angle between the U-shaped plate and the salvage bucket, which is convenient for adjusting the angle of the salvage bucket and facilitating the salvage of juvenile crabs. The inner rod is arranged to extend and retract inside the rod sleeve, so as to adjust the angle of the handle, thereby facilitating salvage.

[0016] 2. In the present invention, the juvenile crabs and the liquid can be filtered by the filter partition. The juvenile crabs remain inside the salvage bucket, and the liquid is discharged from the bottom of the salvage bucket, thereby making it convenient to observe the juvenile crabs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall schematic diagram of a device for sampling and salvaging Chinese mitten crab seedlings proposed in the present invention;

[0018] Figure 2 This is a schematic diagram of a U-shaped plate of a Chinese mitten crab seedling sampling and salvaging device proposed in the utility model;

[0019] Figure 3 This is a schematic diagram of a salvage bucket of a Chinese mitten crab seedling sampling and salvage device proposed in the utility model.

[0020] Legend:

[0021] 1. Salvage bucket; 2. Cover; 3. Opening; 4. Rotating cover; 5. Toggle block; 6. Rod sleeve; 7. Inner rod; 8. First fastener; 9. U-shaped plate; 10. Curved plate; 11. Second fastener; 12. Fixing pin; 13. Disc; 14. T-ring; 15. Sliding block; 16. Third fastener; 17. Connecting ring; 18. Threaded area; 19. Handle; 20. Filter baffle. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Reference Figure 1 - Figure 3 The utility model provides an embodiment of a sampling and salvaging device for frying Chinese mitten crabs, comprising a salvage bucket 1 for collecting samples, a filter partition 20 fixedly connected to the lower end of the inner wall of the salvage bucket 1 for separating fry crabs and liquid, a drain pipe fixedly connected to the bottom of the salvage bucket 1 for draining liquid, a cover plate 2 fixedly connected to the top right side of the salvage bucket 1, openings 3 are provided at both the front and rear ends of the left side of the cover plate 2, a rotating cover 4 is rotatably connected to the inner side of the cover plate 2, a toggle block 5 is fixedly connected to the upper side of the rotating cover 4, and the toggle block 5 The outer wall of the salvage bucket 1 fits tightly with the inner wall of the opening 3. A U-shaped plate 9 is provided on the outside of the upper end of the salvage bucket 1. An arc-shaped plate 10 is fixedly connected to the front and rear sides of the salvage bucket 1. The left side of the arc-shaped plate 10 is threadedly connected to a second fastener 11. A fixing pin 12 is rotatably connected to the middle part of the left end of the U-shaped plate 9. The end of the fixing pin 12 is fixedly connected to the inside of the upper end of the salvage bucket 1. A disc 13 is fixedly connected to the outside of the left end of the U-shaped plate 9. A T-shaped ring 14 is fixedly connected to the outside of the disc 13. The outer wall of the T-ring 14 is movably connected to the inner side of the arc-shaped plate 10.

[0024] The juvenile crabs are salvaged by the provided salvage bucket 1, and the salvaged juvenile crabs can be filtered by the provided filter baffle 20. The liquid passes through the filter baffle 20 and is discharged from the bottom of the salvage bucket 1. The provided toggle block 5 can drive the rotating cover 4 to rotate. The rotating rotating cover 4 cooperates with the cover plate 2 to close the top of the salvage bucket 1 to prevent the juvenile crabs from escaping. The provided U-shaped plate 9 can be rotated on the outside of the salvage bucket 1 by the fixing pin 12, and the angle of the salvage bucket 1 can be adjusted to facilitate salvage. The provided U-shaped plate 9 can drive the disc 13 and the T-ring 14 to rotate, so that the T-ring 14 rotates inside the arc plate 10. Rotating the second fastener 11 can fix the T-ring 14, thereby fixing the salvage bucket 1 after the angle is adjusted.

[0025] Reference Figure 1 - Figure 3The right end of the U-shaped plate 9 is slidably connected to the sliding block 15, the left side of the sliding block 15 is threadedly connected to the third fastener 16, and the right side of the sliding block 15 is fixedly connected to the connecting ring 17. The telescopic handle includes a rod sleeve 6 set on the right side of the U-shaped plate 9, and the inner rod 7 is movably connected to the inside of the rod sleeve 6. The left end of the inner rod 7 is provided with a threaded area 18, and the outer wall of the threaded area 18 is threadedly connected to the inside of the connecting ring 17. The upper side of the left end of the rod sleeve 6 is threadedly connected to the first fastener 8, and the right end of the rod sleeve 6 is fixedly connected to the handle 19.

[0026] The inner rod 7 can be extended and retracted inside the rod sleeve 6, thereby adjusting the length of the rod sleeve 6 and the inner rod 7, so as to be adjusted according to needs, which is convenient for driving the salvage bucket 1 for salvage. The first fastener 8 is rotated to fix the adjusted rod sleeve 6 and the inner rod 7. The inner rod 7 is connected to the connecting ring 17 through the threaded area 18. By rotating, the sliding block 15 and the inner rod 7 can be separated, which is convenient for storage of the device.

[0027] Working principle: The U-shaped plate 9 can be rotated by the fixing pin 12 to adjust the angle of the salvage bucket 1. The arc plate 10 and the T-ring 14 can be fixed by rotating the second fastener 11, thereby fixing the salvage bucket 1 after the angle is adjusted. The inner rod 7 can be extended and retracted inside the rod sleeve 6 to adjust the length of the handle for easy salvage. The first fastener 8 can be rotated to fix the rod sleeve 6 and the inner rod 7. By rotating, the inner rod 7 can be separated from the connecting ring 17, thereby facilitating the storage of the device. Juvenile crabs are salvaged through the salvage bucket 1. The filter partition 20 can separate the juvenile crabs and the liquid, and the liquid can be discharged from the bottom of the salvage bucket 1.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sampling and salvaging device for cultured Chinese mitten crab seedlings, characterized in that: The invention comprises a salvage bucket (1) for collecting samples, wherein a cover plate (2) is fixedly connected to the right side of the top of the salvage bucket (1), and openings (3) are provided at both the front and rear ends of the left side of the cover plate (2). A rotating cover (4) is rotatably connected to the inner side of the cover plate (2), and a toggle block (5) is fixedly connected to the upper side of the rotating cover (4). The outer wall of the toggle block (5) is tightly fitted with the inner wall of the opening (3). The outer part of the upper end of the salvage bucket (1) is rotatably connected to a U-shaped plate (9) through an adjusting component, and a telescopic handle is installed at the right end of the U-shaped plate (9) through a connecting structure.

2. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: The adjustment assembly comprises an arc-shaped plate (10) fixedly connected to the front and rear sides of the salvage bucket (1), and a second fastener (11) is threadedly connected to the left side of the arc-shaped plate (10).

3. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: The adjustment assembly further comprises a fixing pin (12) rotatably connected to the middle portion of the left end of the U-shaped plate (9), the end of the fixing pin (12) being fixedly connected to the interior of the upper end of the salvage bucket (1), a disc (13) being fixedly connected to the exterior of the left end of the U-shaped plate (9), a T-shaped ring (14) being fixedly connected to the exterior of the disc (13), and an outer wall of the T-shaped ring (14) being movably connected to the inner side of the arc-shaped plate (10).

4. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: The connection structure comprises a sliding block (15) slidably connected to the outside of the right end of the U-shaped plate (9), a third fastener (16) being threadedly connected to the left side of the sliding block (15), and a connecting ring (17) being fixedly connected to the right side of the sliding block (15).

5. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: The telescopic handle comprises a rod sleeve (6) provided on the right side of the U-shaped plate (9), the rod sleeve (6) is movably connected to an inner rod (7) inside, the left end of the inner rod (7) is provided with a threaded area (18), and the outer wall of the threaded area (18) is threadedly connected to the inside of the connecting ring (17).

6. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 5, characterized in that: The upper side of the left end of the rod sleeve (6) is threadedly connected to a first fastener (8), and the right end of the rod sleeve (6) is fixedly connected to a handle (19).

7. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: A filter baffle (20) is fixedly connected to the lower end of the inner wall of the salvage bucket (1) for separating the juvenile crabs from the liquid.

8. The device for sampling and salvaging Chinese mitten crab seedlings according to claim 1, characterized in that: The bottom of the salvage bucket (1) is fixedly connected to a drain pipe for draining liquid.

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