CN110741989A - Leech transport incubator and transport incubation method - Google Patents

Abstract

The invention discloses a leech transportation incubator which comprises a box body with a heat insulation layer and a box cover covering the box body, wherein a functional platform and an egg cocoon platform for placing egg cocoons are arranged in the box body in a stacking manner according to the direction from bottom to top; at least one layer of egg cocoon platform which is adjacently arranged forms an egg cocoon platform group, and at least one layer of functional platform is arranged below the egg cocoon platform group; the egg cocoon platform comprises a mesh platform for placing egg cocoons and a frame positioned around the mesh platform, and meshes matched with the leech egg cocoons of corresponding types are arranged on the mesh platform; the top surface of the functional platform is provided with a groove which is sunken inwards and used for placing an ice bag or containing sterile water. The invention also discloses a leech transportation and hatching method. Can effectively control the development speed of the egg cocoons in the transportation process, avoid the problem that the seedlings die in a large number in the transportation process due to the excessively fast development of the egg cocoons, and have higher incubation efficiency compared with the existing soilless and soil covering transportation incubation modes.

Description

Leech transport incubator and transport incubation method

Technical Field

The invention relates to the technical field of leech culture, in particular to a leech transport incubator and a transport incubation method.

Background

The existing leech egg cocoon transportation modes comprise two modes, namely soilless foam box transportation and soil covering foam box transportation. The foam box soilless transportation has the problems that the egg cocoons are rapidly developed due to the 'breathing effect' among the leech egg cocoons in the transportation process, the leech young fry is generally hatched, and if the transportation process is long, the young fry can die due to water shortage. The problems of high labor intensity of cocoon loading work, overweight box bodies, inconvenient carrying and the like exist in foam box body earthing transportation, the incubation time is longer (20-28d) if earthing incubation is continuously adopted after the foam box body is transported to a destination, and the workload is higher and the operation is complex because soil in the box body needs to be removed and part of incubated seedlings needs to be collected if soilless incubation is adopted.

The Chinese patent with the publication number of CN104365561A discloses a leech seed transport box and a transport method, the leech seed transport box comprises a box body with an opening at the upper end, air holes are formed in the box body, a mesh bag is arranged in the box body, the mesh number of the mesh bag is 50-70 meshes, and a sealing device is arranged at the opening of the mesh bag.

The leech seed transport case still does not solve the problem of rapid development of egg cocoons in soilless transport.

Disclosure of Invention

In view of the above, the invention aims to provide a leech transport incubator and a transport incubation method, which can effectively control the development speed of the eggs in the transport process, avoid the problem that a large number of seedlings die in the transport process due to the excessively fast development of the eggs, and have higher incubation efficiency compared with the existing soilless and soil-covering transport incubation mode.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention firstly provides a leech transportation incubator, which comprises a box body with a heat insulation layer and a box cover covering the box body, wherein a functional platform and an egg cocoon platform for placing egg cocoons are arranged in the box body in a stacking manner according to the direction from bottom to top;

at least one layer of the egg cocoon platforms which are adjacently arranged form an egg cocoon platform group, and at least one layer of the functional platform is arranged below the egg cocoon platform group;

the egg cocoon platform comprises a mesh platform for placing egg cocoons and a frame positioned around the mesh platform, and meshes matched with the leech egg cocoons of corresponding types are arranged on the mesh platform;

the top surface of the functional platform is provided with a groove which is sunken inwards and used for placing an ice bag or containing sterile water.

Further, the egg cocoon platform set comprises 1-3 layers of egg cocoon platforms; the functional platform is made of heat conduction materials.

Furthermore, the mesh platform is woven by mesh wires.

Furthermore, the net twines include the vertical net twine that the interval set up and the horizontal net twine that the interval set up, vertical net twine with be perpendicular to each other between the horizontal net twine.

Further, a longitudinal spacing adjusting mechanism for adjusting the spacing between the longitudinal net wires and a transverse spacing adjusting mechanism for adjusting the spacing between the transverse net wires are further arranged on the egg cocoon platform.

Further, the longitudinal distance adjusting mechanism and the transverse distance adjusting mechanism adopt the same distance adjusting mechanism;

the distance adjusting mechanism comprises connecting rod groups arranged at two ends of each longitudinal net wire or each transverse net wire, each connecting rod group comprises two adjusting connecting rods with the same length, the two adjusting connecting rods are hinged at the middle point of the connecting rod group, and the end parts of the longitudinal net wire or each transverse net wire are connected with the corresponding hinged connecting points between the two adjusting connecting rods;

one end of each of the two adjusting connecting rods belonging to one of the two connecting rod groups is hinged to one end of each of the two adjusting connecting rods belonging to the other connecting rod group;

the distance adjusting mechanism further comprises an adjusting driving mechanism which is used for synchronously adjusting the included angle between the two adjusting connecting rods which are connected with the longitudinal net twine or the transverse net twine and belong to the same connecting rod group.

Further, the adjusting and driving mechanism comprises a sliding block which is installed on the egg cocoon platform in a sliding fit mode with a single degree of freedom, the sliding direction of the sliding block is perpendicular to the corresponding longitudinal net line or the corresponding transverse net line, and the sliding block is always in contact fit with two adjusting connecting rods of the adjacent connecting rod group; the sliding driving mechanism is used for adjusting the position of the sliding block;

the sliding driving mechanism comprises a fixed block fixedly connected with the cocoon platform and an adjusting screw in threaded fit with the fixed block, the axis of the adjusting screw is parallel to the sliding direction of the sliding block, and one end of the adjusting screw is connected with the sliding block.

Furthermore, one side surface of the box body is provided with an opening, and the box cover is covered on the opening side surface of the box body;

horizontal guide rails are arranged on the inner walls of two sides of the box body adjacent to the opening at intervals along the direction from bottom to top, and horizontal slide rails matched with the horizontal guide rails are respectively arranged on the lateral walls of two sides of the egg cocoon platform and the functional platform.

Furthermore, the box body is provided with ventilation through holes correspondingly arranged on the side surfaces of two sides of the horizontal guide rail, and ventilation through holes are respectively arranged on the side walls of two sides of the egg cocoon platform and the functional platform corresponding to the ventilation through holes.

The invention also provides a leech transportation and hatching method, which comprises the following steps:

1) boxing: the leech transport incubator is adopted, unhatched cocoons are placed in the cocoons platform, and ice bags are placed in the functional platform;

2) and (3) transportation: transporting the boxed incubator to a leech hatching and breeding place;

3) and (3) replacement: replacing the ice bag in the functional platform with sterile water;

4) hatching: placing the transport box at an indoor ventilation position, and incubating egg cocoons;

5) culturing: taking out the functional platform after hatching for a set time interval, replacing a new functional platform filled with sterile water, and intensively culturing the seedlings in the taken out functional platform;

6) and (5) circulating the step 4) and the step 5) until all the egg cocoons are hatched.

The invention has the beneficial effects that:

according to the leech transport incubator, the heat insulation layer is arranged in the incubator body, and the ice bags are placed on the functional platform in the transport process, so that the incubator body can be kept at a lower temperature to control the development speed of the egg cocoons, the incubation rate of the egg cocoons in the transport process can be effectively controlled at a lower level, and the problem that a large number of seedlings die in the transport process due to the fact that the egg cocoons develop too fast can be effectively solved.

According to the leech transporting and hatching method, the ice bags are replaced by sterile water after the egg cocoons are transported to a leech hatching and breeding place by the transporting and hatching box, the egg cocoons can quickly develop and hatch in a soilless hatching mode under the natural ventilation condition, and compared with the existing soilless and soil-covering transporting and hatching mode, the hatching method can effectively shorten the hatching time and improve the hatching efficiency.

Drawings

In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:

FIG. 1 is a schematic structural diagram of an embodiment of a leech transportation incubator according to the invention;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is detail B of FIG. 1;

FIG. 4 is a schematic structural diagram of an egg cocoon platform;

fig. 5 is a schematic structural view of the pitch adjustment mechanism.

Description of reference numerals:

1-a box body; 1 a-heat preservation and insulation layer; 2-box cover; 3-an egg cocoon platform; 31-a mesh platform; 31 a-longitudinal mesh; 31 b-transverse wires; 32-a frame; 33-mesh; 4-a functional platform; 5-adjusting the connecting rod; 6-a slide block; 7-fixing blocks; 8-adjusting screws; 9-horizontal guide rail; 10-a horizontal sliding rail; 11-a vent through hole; 12-ventilation perforation; 13-cross bar.

Detailed Description

The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.

Fig. 1 is a schematic structural diagram of an embodiment of the leech transport incubator according to the invention. The leech class transportation incubator of this embodiment, including 1 box that has thermal insulation layer 1a and the case lid 2 of lid on 1 box, also be equipped with thermal insulation layer in the case lid 2, according to the range upon range of egg cocoon platform 3 that sets up function platform 4 and be used for placing the egg cocoon from supreme orientation down in 1 box. At least one layer of egg cocoon platform 3 which is adjacently arranged forms an egg cocoon platform group, and at least one layer of functional platform 4 is arranged below the egg cocoon platform group. Specifically, the egg cocoon platform set includes 1-3 layers of egg cocoon platforms 3, and the egg cocoon platform set of this embodiment includes 2 layers of egg cocoon platforms 3.

The egg cocoon platform 3 of this embodiment includes the mesh platform 31 that is used for placing the egg cocoon and is located the frame 32 around the mesh platform 31, is equipped with the mesh 33 that matches with the leech egg cocoon of corresponding kind on the mesh platform 31. The top surface of the functional platform 4 of this embodiment is provided with a groove which is recessed inwards and is used for placing an ice bag or containing sterile water. Specifically, the functional platform 4 of this embodiment is made of a heat conducting material, and the temperature in the box body 1 can be quickly reduced by using an ice bag.

Further, the mesh platform 31 of the present embodiment is woven using mesh wires. The box with a net of this embodiment adopts the cotton thread. Specifically, the mesh wires include longitudinal mesh wires 31a and transverse mesh wires 31b arranged at intervals, and the longitudinal mesh wires 31a and the transverse mesh wires 31b are perpendicular to each other.

Further, a longitudinal spacing adjusting mechanism for adjusting the spacing between the longitudinal mesh wires and a transverse spacing adjusting mechanism for adjusting the spacing between the transverse mesh wires are further arranged on the cocoon platform 3 of the embodiment. Specifically, the longitudinal distance adjustment mechanism and the lateral distance adjustment mechanism of the present embodiment use the same distance adjustment mechanism. The spacing adjusting mechanism of the embodiment comprises a connecting rod group arranged at two ends of each longitudinal net wire or transverse net wire, the connecting rod group comprises two adjusting connecting rods 5 with equal length, the two adjusting connecting rods 5 are hinged at the middle point of the connecting rod group, and the ends of the longitudinal net wire or transverse net wire are connected with the corresponding hinged connecting points between the two adjusting connecting rods 5. And in two adjacent connecting rod groups positioned at the same end of two adjacent longitudinal net wires or the same end of two adjacent transverse net wires, one end of each of the two adjusting connecting rods 5 belonging to one connecting rod group is hinged with one end of each of the two adjusting connecting rods 5 belonging to the other connecting rod group. The spacing adjustment mechanism of the embodiment further comprises an adjustment driving mechanism for synchronously adjusting the included angle between the two adjustment connecting rods 5 which are connected with the longitudinal net twine or the transverse net twine and belong to the same connecting rod group.

Further, the regulation actuating mechanism of this embodiment includes that single degree of freedom sliding fit installs slider 6 on egg cocoon platform 3, slider 6's slip direction is perpendicular with the vertical net twine or the horizontal net twine that corresponds, slider 6 and two regulation connecting rods 5 of adjacent linkage remain the contact cooperation throughout, so, remove through control slider 6, can drive the contained angle synchronous change between two regulation connecting rods 5 of all linkages, and then adjust the interval between two adjacent vertical net twines or the horizontal net twine, finally realize adjusting the technical purpose of mesh 33 size. The adjustment drive mechanism of the present embodiment further includes a slide drive mechanism for adjusting the position of the slider 6. The sliding driving mechanism of the embodiment comprises a fixed block 7 fixedly connected with the cocoon platform 3 and an adjusting screw 8 in threaded fit with the fixed block 7, the axis of the adjusting screw 8 is parallel to the sliding direction of the sliding block 6, and one end of the adjusting screw 8 is connected with the sliding block 6.

Through setting up vertical interval adjustment mechanism and horizontal regulation interval adjustment mechanism, through adjusting the interval between two adjacent vertical net twines and two adjacent horizontal net twines, and then adjust mesh 33's size to the requirement is placed in the hatching of the different kind of hirudo egg cocoons of matching, if: the distance between the longitudinal net wire 31a and the transverse net wire 31b of the mesh platform 31 is required to be 0.8-1cm for the whitmania pigra egg cocoons, and the distance between the longitudinal net wire 31a and the transverse net wire 31b of the mesh platform 31 is required to be 0.2-0.3cm for the japanese leech egg cocoons, which can be adjusted by the embodiment, namely the egg cocoon platform 3 of the embodiment can be suitable for the incubation and placement requirements of various leech egg cocoons.

Furthermore, one side surface of the box body 1 is opened, and the box cover 2 is covered on the opening side surface of the box body 1; horizontal guide rails 9 are arranged on the inner walls of two sides of the box body 1 adjacent to the opening at intervals along the direction from bottom to top, and horizontal slide rails 10 matched with the horizontal guide rails 9 are respectively arranged on the side walls of two sides of the egg cocoon platform 3 and the functional platform 4. That is, drawer structures are formed between the egg cocoon platform 3 and the functional platform 4 of the present embodiment and the box body 1, which is convenient for installation and taking and placing.

Furthermore, the lateral surfaces of the two sides of the box body 1, which are provided with the horizontal guide rails 9, are correspondingly provided with ventilation through holes 11, and the lateral walls of the two sides of the egg cocoon platform 3 and the functional platform 4 are respectively provided with ventilation through holes 12 corresponding to the ventilation through holes 11. Through setting up ventilation through hole 11 and ventilation perforation 12, can wear to establish horizontal pole 13 at ventilation through hole 11 and ventilation perforation 12 in the transportation, prevent that egg cocoon platform 3 and 4 positions of functional platform from beating, after the transportation position, take horizontal pole 13 out, ventilation through hole 11 and ventilation perforation 12 constitute the ventilation channel, can accelerate egg cocoon hatching.

The leech class transportation incubator of this embodiment through set up the thermal insulation layer in the box, in the transportation, places the ice bag on the function platform, so can make the box keep under the lower temperature to the development speed of control egg cocoon can effectively control the hatchability of egg cocoon in the transportation at lower level, can effectively avoid promptly leading to a large amount of dead problems of seedling in the transportation because of egg cocoon develops at the excessive speed.

The embodiment also provides a leech transportation and hatching method, which comprises the following steps:

1) boxing: the leech transport incubator is adopted, unhatched cocoons are placed in the cocoons platform 3, and ice bags are placed in the functional platform 4; the ice bag occupies more than half of the area of the functional platform 4, so that the temperature of the egg cocoon platform 3 is more uniform. The egg cocoon platform group of this embodiment includes 2 layers of egg cocoon platforms 3, and the upper and lower both sides of egg cocoon platform group are equipped with functional platform 4 respectively, make the temperature that belongs to two-layer egg cocoon platform 3 of same group of egg cocoon platform group more even.

2) And (3) transportation: and transporting the boxed incubator to a leech hatching and breeding place.

3) And (3) replacement: and replacing the ice bag in the functional platform with sterile water. The depth of the sterile water is 2-4 cm.

4) Hatching: and placing the transport box at an indoor ventilation position to hatch the egg cocoons. In this example, leech larvae hatch out after 2 days.

5) Culturing: taking out the functional platform after incubation for a set time interval, replacing a new functional platform filled with sterile water, continuing incubating the cocoons, and finely culturing the seedlings in the taken functional platform;

6) and (5) circulating the steps 4 and 5 until all the egg cocoons are hatched.

The data comparison between the leech transport hatching method and the conventional transport hatching method in the embodiment is as follows:

500 egg cocoons are used as a group, the transportation time is 5 hours, and the transportation mode is automobile transportation. The percentage of eggs incubated during transportation in different packing modes is shown in table 1.

TABLE 1 percentage of eggs hatching during transportation in different packing modes

The emergence times for the different hatchings after transport are shown in table 2.

TABLE 2 duration of different incubation modes

According to the leech transportation and incubation method, after the transportation incubator is used for transporting the egg cocoons to the leech incubation and breeding place, the ice bags are replaced by sterile water, the egg cocoons can quickly grow and incubate in a soilless incubation mode under the natural ventilation condition, and compared with the existing soilless and soil-covering transportation incubation mode, the incubation time can be effectively shortened, and the incubation efficiency is improved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.

Claims (10)

1. The utility model provides a leech class transportation incubator which characterized in that: the box comprises a box body (1) with a heat-insulating layer and a box cover (2) covered on the box body (1), wherein a functional platform (4) and an egg cocoon platform (3) for placing egg cocoons are arranged in the box body (1) in a stacked mode from bottom to top;

at least one layer of the egg cocoon platforms (3) which are adjacently arranged form an egg cocoon platform group, and at least one layer of the functional platform (4) is arranged below the egg cocoon platform group;

the egg cocoon platform (3) comprises a mesh platform (31) for placing egg cocoons and a frame (32) positioned on the periphery of the mesh platform (31), and meshes (33) matched with the leech egg cocoons of corresponding types are arranged on the mesh platform (31);

the top surface of the functional platform (4) is provided with a groove which is sunken inwards and used for placing an ice bag or containing sterile water.

2. Leech transport incubator according to claim 1, wherein: the egg cocoon platform set comprises 1-3 layers of egg cocoon platforms (3); the functional platform (4) is made of heat conducting materials.

3. Leech transport incubator according to claim 1 or 2, wherein: the mesh platform (31) is woven by mesh wires.

4. Leech transport incubator according to claim 3, wherein: the net twines include the vertical net twine that the interval set up and the horizontal net twine that the interval set up, vertical net twine with mutually perpendicular between the horizontal net twine.

5. Leech transport incubator according to claim 4, wherein: and the egg cocoon platform (3) is also provided with a longitudinal spacing adjusting mechanism for adjusting the spacing between the longitudinal net wires and a transverse spacing adjusting mechanism for adjusting the spacing between the transverse net wires.

6. Leech transport incubator according to claim 5, wherein: the longitudinal distance adjusting mechanism and the transverse distance adjusting mechanism adopt the same distance adjusting mechanism;

the distance adjusting mechanism comprises connecting rod groups arranged at two ends of each longitudinal net wire or each transverse net wire, each connecting rod group comprises two adjusting connecting rods (5) with equal length, the two adjusting connecting rods (5) are hinged at the middle point, and the ends of the longitudinal net wire or each transverse net wire are connected with the hinged connection point between the two corresponding adjusting connecting rods (5);

one end of each of the two adjusting connecting rods (5) belonging to one of the two connecting rod groups is hinged to one end of each of the two adjusting connecting rods (5) belonging to the other connecting rod group;

the distance adjusting mechanism further comprises an adjusting driving mechanism which is used for synchronously adjusting the included angle between the two adjusting connecting rods (5) which are connected with the longitudinal net twine or the transverse net twine and belong to the same connecting rod group.

7. Leech transport incubator according to claim 6, wherein: the adjusting and driving mechanism comprises a sliding block (6) which is installed on the egg cocoon platform (3) in a sliding fit mode with a single degree of freedom, the sliding direction of the sliding block (6) is perpendicular to a corresponding longitudinal net line or a corresponding transverse net line, and the sliding block (6) is always in contact fit with two adjusting connecting rods (5) of the adjacent connecting rod group; the sliding mechanism is used for adjusting the position of the sliding block (6);

the sliding driving mechanism comprises a fixed block (7) fixedly connected with the cocoon platform (3) and an adjusting screw (8) in threaded fit with the fixed block (7), the axis of the adjusting screw (8) is parallel to the sliding direction of the sliding block (6), and one end of the adjusting screw (8) is connected with the sliding block (6).

8. Leech transport incubator according to claim 1 or 2, wherein: the side surface of one side of the box body (1) is opened, and the box cover (2) is covered on the side surface of the opening of the box body (1);

horizontal guide rails (9) are arranged on the inner walls of two sides of the box body (1) adjacent to the opening at intervals along the direction from bottom to top, and horizontal slide rails (10) matched with the horizontal guide rails (9) are respectively arranged on the lateral walls of two sides of the egg cocoon platform (3) and the functional platform (4).

9. Leech transport incubator according to claim 8, wherein: the box body (1) is provided with ventilation through holes (11) correspondingly formed in the side faces of the two sides of the horizontal guide rail (9), and ventilation through holes (12) are respectively formed in the side walls of the two sides of the egg cocoon platform (3) and the side walls of the two sides of the functional platform (4) correspondingly to the ventilation through holes (11).

10. A leech transportation and hatching method is characterized in that: the method comprises the following steps:

1) boxing: -using a transport incubator for leeches according to any one of claims 1 to 9, placing unhatched cocoons in said cocoon platform (3), placing an ice bag in said functional platform (4);

2) and (3) transportation: transporting the boxed incubator to a leech hatching and breeding place;

3) and (3) replacement: replacing the ice bag in the functional platform with sterile water;

4) hatching: placing the transport box at an indoor ventilation position, and incubating egg cocoons;

5) culturing: taking out the functional platform after hatching for a set time interval, replacing a new functional platform filled with sterile water, and intensively culturing the seedlings in the taken out functional platform;

6) and (5) circulating the step 4) and the step 5) until all the egg cocoons are hatched.

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