CN201742816U

CN201742816U - Adjustable shrimp sorting basket

Info

Publication number: CN201742816U
Application number: CN2010202863008U
Authority: CN
Inventors: 赵永贞; 陈秀荔; 谢达详; 陈晓汉
Original assignee: GUANGXI INSTITUTE OF FISHERIES
Current assignee: GUANGXI INSTITUTE OF FISHERIES
Priority date: 2010-08-10
Filing date: 2010-08-10
Publication date: 2011-02-16
Anticipated expiration: 2020-08-10

Abstract

The utility model relates to an adjustable shrimp sorting basket used for sorting out shrimps based on different sizes. The sorting basket comprises an outer sorting basket and an inner sorting basket which are in cylindrical forms. The utility model is characterized in that the inner sorting basket sleeves on the inner cavity of the outer sorting basket; the external diameter of the inner sorting basket is slightly smaller than the internal diameter of the outer sorting basket; the inner sorting basket disposed in the outer sorting basket can be easily rotated; the inner and the outer sorting basket are in a close cooperation; the edges of the inner and the outer sorting basket are carved with graduated scales; a sorting slot with a certain width is disposed on the cylindrical form of the inner and the outer sorting basket. The utility model has advantages of simple structure, good using property, high sorting efficiency and precise grading.

Description

The adjustable shrimp basket that selects

Technical field

The utility model relates to a kind of aquaculture of aquatic animal device, particularly the adjustable shrimp basket that selects that carries out sorting at the different build sizes of shrimp.

Background technology

All the time, shrimp culture is one of of paramount importance industry in China's culture fishery, and for example: Penaeus Vannmei, Penaeus monodon, japonicus, penaeus penicillatus etc., wherein the breed of Penaeus Vannmei has also become the pillar industry of mariculture industry.Development through decades, although China's shrimp culture has obtained proud economic performance, but people recognize that gradually whether the germplasm of culturing excellent performance is arranged is the key that guarantees the stable development of shrimp culture industry, therefore improve shrimps seed selection correlation technique link, carrying out the shrimps breed breeding is the effective measures of dealing with problems.

In Penaeus Vannmei family selective breeding process, the high yielding variety seed selection is of paramount importance seed selection direction, and growth rate then is one of important seed selection index of high yielding variety.The fast shrimp that how will grow is elected and gives over to seed shrimp is the key link of carrying out the high-yielding strain seed selection.In certain growth period, build and body weight size are to weigh the most direct index of prawn growth rate.Relying on naked eyes to differentiate, select the bigger shrimp of build is the most traditional method of growth seed shrimp fast that is used to select and remain, and the shortcoming of this method maximum is to cause easily erroneous judgement.Another kind method is, all individualities weighed, classified and pick out the heaviest individuality, though this method is accurate, and for the huge breeding population of quantity, time and effort consuming, operability is not strong.Also have a kind of method to be, the fishing net identical with mesh size carries out sorting to breeding population, but this method causes shrimp injured even dead easily.

Therefore, how developing that prawn with different size in the seed selection population carries out simply, effective sorting unit, is to solve high-yielding strain seed selection key technique, the important research and development content of increasing work efficiency.

Summary of the invention

The purpose of this utility model is to provide a kind of traditional defective that is used for sorting different size live body prawn method that overcomes, have efficient, simple, practical can be with the adjustable shrimp basket that selects of different size prawn sorting.

For achieving the above object, the adjustable shrimp basket that selects of the utility model, be characterized in: comprise outer sorting frame and interior sorting frame, described outer sorting frame and interior sorting frame are inside and outside two columniform sorting baskets, interior sorting frame overlaps the inner chamber of sorting frame outside, sorting basket external diameter is slightly less than the internal diameter of outer sorting basket in it, place the interior sorting basket of outer sorting basket easily to rotate, but inside and outside sorting basket agrees with closely, the frame of inside and outside sorting frame along on be carved with rule, hypomere all had the sorting groove of certain width during inside and outside sorting frame was columniform.

At the bottom of the bottom of above-described outer sorting frame does not have basket or at the bottom of being provided with basket, housing hold-down screw in relative rotation in the upper edge of outer sorting frame is provided with and can prevents.

At the bottom of the bottom of sorting frame does not have basket in above-described or at the bottom of being provided with basket, the rotating handles that the sorting basket rotated with respect to outer sorting frame in the upper edge of interior sorting basket was provided with and can makes.

The adjustable beneficial effect of shrimp basket that selects of the utility model is:

1. simple in structure, serviceability is good.The utility model adopts and agrees with inside and outside closely two columniform sorting baskets, by the groove of outer sorting basket upper edge and the scale on the interior sorting basket upper edge. according to preliminary election shrimp body width, adjust the width in sorting hole flexibly, utilize shrimp to have to like the life habit characteristics of moving about at the pool wall edge, build is listed as ground by force, swims out of outside the basket by the sorting hole urgently less than the shrimp of sorting hole width, stay in the basket and build can only be put greater than the shrimp of sorting hole width, avoided the phenomenon that causes shrimp injured even dead, this is simple in structure, practicality.

2. efficiency of separation height, classification is accurate.The utility model carries out sizing screening by inside and outside sorting basket to shrimps, effectively will ask the shrimp of specification to select and remain in advance, compared with traditional artificial separation, weigh, classification such as fishing net, make that not only the finished product of sorting is more accurate, error is littler, but also improved the efficiency of separation widely, and reduced working strength of workers, guaranteed the survival rate of selected shrimp.

Description of drawings

Fig. 1 is the adjustable shrimp basket structure schematic diagram that selects of the utility model.

Fig. 2 is that the A-A section of Fig. 1 dissects structural representation.

Fig. 3 is the structural representation of outer sorting frame 1.

Fig. 4 is the B-B sectional structure schematic diagram of Fig. 3.

Fig. 5 is the structural representation of interior sorting frame 2.

Fig. 6 is the C-C sectional structure schematic diagram of Fig. 5.

Figure elements title and numbering explanation:

Outer sorting frame 1, interior sorting frame 2, rule 3, hold-down screw 4, rotating handles 5, sorting groove 6, prawn 7, the basket end 8.

Embodiment

Below in conjunction with drawings and Examples the adjustable shrimp basket that selects of the utility model is further described.

Shown in Fig. 1～2, the adjustable shrimp basket that selects comprises outer sorting frame 1, interior sorting frame 2, rule 3, hold-down screw 4, rotating handles 5 and sorting groove 6, outer sorting frame 1 and interior sorting frame 2 are inside and outside two columniform sorting baskets, interior sorting frame 2 overlaps the inner chamber of sorting frame 1 outside, external diameter of sorting basket 2 is slightly less than the internal diameter of outer sorting basket 1 in it, place the interior sorting basket 2 of outer sorting basket 1 can be along 360 ° of rotations of circumference, but inside and outside sorting basket cooperates closely, the frame of inside and outside sorting frame is along the last rule 3 that all is carved with, and has the sorting groove 6 of certain width on inside and outside sorting frame cylindrical.

Shown in Fig. 3～4, outer sorting frame 1 comprises rule 3, hold-down screw 4, sorting groove 6 and the basket end 8, rule 3 is engraved in the upper surface of outer sorting frame 1, sorting groove 6 is opened the middle hypomere at cylinder, at the bottom of the bottom of outer sorting frame 1 does not have basket or at the bottom of being equipped with basket 8, housing hold-down screw 4 in relative rotation in the upper edge of outer sorting frame 1 is provided with and can prevents.

Shown in Fig. 5～6, interior sorting basket 2 comprises rule 3, rotating handles 5 and sorting groove 6, the upper surface of sorting basket 2 in rule 3 is engraved in, sorting groove 6 is opened the middle hypomere at cylinder, at the bottom of the bottom of interior sorting basket 2 does not have basket or at the bottom of being equipped with basket 8, the rotating handles 5 that sorting basket 2 rotated with respect to outer sorting frame 1 in the upper edge of interior sorting basket 2 was provided with and can makes.

When shrimp is lived in the needs sorting, interior sorting frame 2 is placed the inner chamber of outer sorting frame 1, size according to the kind that will choose shoal of shrimps and build, pull rotating handles 5, sorting frame 2 in rotating, adjust the width of inside and outside sorting basket sorting groove, tighten hold-down screw 4, housing can not relatively rotate in making, the life habit of moving about at the pool wall edge is liked because shrimp has by the central authorities that the sorting basket of combination is put into the pond, so, build is swum out of outside the sorting basket automatically less than the shrimp of sorting well width, and build then can only be stayed in the sorting basket greater than the shrimp of sorting well width, has reached the screening to the shrimp build size of living.

Embodiment

Utilize the seed shrimp sorting of the utility model to Penaeus Vannmei 7:

Prepare a pool cultivated water by cultured prawn 7 water quality requirements, at the bottom of the bottom of sorting frame 1 installs basket outside 8, interior sorting frame 2 is positioned in the outer sorting frame 1, the circumference of sorting frame 1 upper edge is provided with one or several hold-down screws 4 respectively outside, circumference in interior sorting frame 2 upper edges is provided with several rotating handleses 5 respectively, prawn 7 colony's builds that will sorting are carried out preliminary estimation or sampling Detection, specification requirement according to preliminary survey result and preliminary election prawn 7, pull rotating handles 5, sorting frame 2 in rotating, adjust the width in sorting basket sorting hole, its inside and outside sorting basket wall evenly is provided with wide 2.5～3cm and slightly is shorter than the high rectangle sorting hole (hereinafter to be referred as the sorting hole) of sorting basket, pitch of holes and Kong Tongkuan, on the basket edge directly over one of them sorting hole of interior sorting basket 2 precision being set is 1mm, meter full scale and sorting hole are with wide rule 3, tighten hold-down screw 4 with wrench, make inside and outside sorting frame not rotate mutually, the sorting basket of combination is put into the central authorities of culturing the pond, the upper edge of sorting basket will exceed more than the water surface 20cm, and in the sorting basket, place the stone that fills oxygen, to guarantee water body dissolved oxygen safety, the prawn 7 for the treatment of sorting is put into the sorting basket, because prawn 7 is liked moving about at the pool wall edge, build is swum out of outside the sorting basket automatically less than the prawn 7 of sorting hole width, and build can only be put greater than the prawn 7 of sorting hole width and stays in the sorting basket, looks the density of residue prawn 7 in the sorting basket and in time the seed shrimp of selecting and remain is dragged for away.

Claims

1. adjustable shrimp basket that selects, it is characterized in that: comprise outer sorting frame (1) and interior sorting frame (2), described outer sorting frame (1) and interior sorting frame (2) are inside and outside two columniform sorting baskets, interior sorting frame (2) overlaps the inner chamber of sorting frame (1) outside, the frame of inside and outside sorting frame along on be carved with rule (3), hypomere all had the sorting groove (6) of certain width during inside and outside sorting frame was columniform.

2. the adjustable shrimp basket that selects according to claim 1 is characterized in that: at the bottom of the bottom of described outer sorting frame (1) does not have basket or at the bottom of being provided with basket (8), and housing hold-down screw (4) in relative rotation in the upper edge of outer sorting frame (1) is provided with and can prevents.

3. the adjustable shrimp basket that selects according to claim 1, it is characterized in that: at the bottom of the bottom of sorting frame (2) does not have basket in described or at the bottom of being provided with basket (8), the rotating handles (5) that sorting basket (2) rotated with respect to outer sorting frame (1) in the upper edge of interior sorting basket (2) was provided with and can makes.