CN113907027B - Temporary culture type releasing device and releasing method capable of protecting seedlings - Google Patents
Temporary culture type releasing device and releasing method capable of protecting seedlings Download PDFInfo
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- CN113907027B CN113907027B CN202111204478.2A CN202111204478A CN113907027B CN 113907027 B CN113907027 B CN 113907027B CN 202111204478 A CN202111204478 A CN 202111204478A CN 113907027 B CN113907027 B CN 113907027B
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- guide rod
- inclined guide
- rearing
- sliding
- temporary
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/51—Culture of aquatic animals of shellfish of gastropods, e.g. abalones or turban snails
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a temporary culture type releasing device and a releasing method capable of protecting seeds, aiming at providing a device which can effectively avoid the problem that the survival rate of the snail seeds is reduced because the snail seeds are sown on the sea surface, are easy to be taken away by ocean current and are distributed to a seabed area which is not suitable for the attachment and growth of the snail seeds in the prior art; and the temporary culture type releasing device and the releasing method which can protect the snail seeds and are beneficial to the diffusion and distribution of the snail seeds can also be used. The temporary rearing type releasing device capable of protecting the seedlings comprises a bracket, wherein the bracket comprises an inclined guide rod; the device is supported temporarily to spiral shell class seed, and spiral shell class seed is supported temporarily device and is included supporting temporarily case, floating frame, connecting rope and the gliding balancing weight of edge slope guide arm, supports temporarily case and includes breeding the box, fix the sliding guide pin bushing on breeding the box, be located the scraper blade of breeding the box, be located the shutoff board of breeding the box outside, sliding guide pin bushing sliding sleeve cover is established on the slope guide arm to support temporarily the case and can slide along the slope guide arm.
Description
Technical Field
The invention relates to a releasing device, in particular to a temporary rearing type releasing device and a releasing method capable of protecting seedlings.
Background
Proliferation and releasing are an important means for artificial ocean ecological restoration. At present, the operation of snail propagation and releasing is generally as follows, firstly, artificial propagation and seedling raising are carried out, and then snail seedlings are released to a sea area with declining snail resources, so that the natural population of snails can be recovered. According to the traditional snail breeding and releasing, snail seeds are transported to a releasing sea area by a transport ship and then are manually operated to be sown in a certain sea area from the sea surface; thus, the snail seeds are favorably dispersed and distributed everywhere; however, since the snail seeds are sown on the sea surface, the sea current of the water layer close to the sea surface is large, the snail seeds are easily taken away by the sea current in the sinking process, deviate from the released sea area and are randomly distributed on the seabed of each sea area, and a lot of seabed is not suitable for the attachment growth of the snail seeds (such as bottom sediment substrate sea area), so that a large part of snail seeds cannot survive, the survival rate of the snail seeds in the current artificial snail ecological restoration method is poor, and the snail ecological restoration effect is influenced.
In order to solve the problems, the inventor designs a temporary culture type shellfish proliferation device (application number 2017107880665, application date 2017-09-04, the name of the invention is a temporary culture type shellfish proliferation device); this application includes that counter weight base and rotation type shellfish support the mechanism temporarily, and rotation type shellfish supports the mechanism temporarily and includes that the rotatory installation pole that sets up on counter weight base, the shellfish that sets up on rotatory installation pole support the case temporarily and set up the buoyant device on rotatory installation pole through horizontal axis pole rotation. According to the temporary shellfish breeding device, the torsion of a torsion spring is overcome through the gravity of the sealing and covering plate, the sealing and covering plate rotates downwards around the hinge shaft and abuts against the surface of the sea bottom, the drainage port is opened, and a bridge for shellfish to crawl is built between the drainage port and the sea bottom through the sealing and covering plate, so that the shellfish in the temporary shellfish breeding box can crawl along the surface of the sealing and covering plate and move to a sea bottom rock reef, and the problem is solved; however, the shellfish crawls out by self through the shellfish in the temporary shellfish culture box, but the moving capability and the moving habit of the shellfish are very weak, so that the shellfish released by the temporary shellfish breeder are concentrated near the temporary shellfish culture box, the diffusion distribution of the shellfish is not facilitated, and the recovery of the shellfish population is also not facilitated.
Disclosure of Invention
The invention aims to provide a method which can effectively avoid the problem that the survival rate of the snail seeds is reduced because the snail seeds are sown on the sea surface and are easily taken away by ocean currents and distributed in a seabed area which is not suitable for the adhesion and growth of the snail seeds in the prior art; and the temporary culture type releasing device and the releasing method which can protect the snail seeds and are beneficial to the diffusion and distribution of the snail seeds can also be used.
The technical scheme of the invention is as follows:
a temporary rearing type releasing device capable of protecting seedlings comprises:
a base;
the bracket comprises a vertical rod and an inclined guide rod which are arranged at the top of the base, the upper end of the inclined guide rod is fixed at the upper part of the vertical rod, and the lower end of the inclined guide rod extends downwards towards the outer side of the vertical rod;
the temporary rearing device for the snail seedlings comprises a temporary rearing box, a floating frame, a connecting rope and a sliding balancing weight which slides along an inclined guide rod, wherein the upper end of the inclined guide rod, the sliding balancing weight, the temporary rearing box and the floating frame are sequentially distributed along the axial direction of the inclined guide rod,
the temporary rearing box comprises a rearing box body, a sliding guide sleeve fixed on the rearing box body, a scraper plate positioned in the rearing box body, a sealing plate positioned outside the rearing box body and a connecting rod for connecting the scraper plate and the sealing plate, wherein one side of the rearing box body, which faces the upper end of an inclined guide rod, is opened, a snail discharge port is formed by the opening, the sealing plate seals the snail discharge port, the sliding guide sleeve is sleeved on the inclined guide rod in a sliding mode to enable the temporary rearing box to slide along the inclined guide rod, a floating frame is fixed on one side, which faces the lower end of the inclined guide rod, of the breeding box body, the buoyancy of the floating frame is greater than the gravity of the temporary rearing device for snail seedlings, a sliding balancing weight slides along the inclined guide rod under the action of self weight and is supported on the sealing plate, one end of a connecting rope is connected with the middle of the sealing plate, and the other end of the connecting rope is connected with a base. The temporary-culture-type releasing device capable of protecting the seeds can effectively avoid the problem that the survival rate of the snail seeds is reduced because the snail seeds are sown on the sea surface and are easily taken away by ocean currents and distributed to a seabed area which is not suitable for the attachment growth of the snail seeds in the prior art; and the snail seedlings can be protected within 2-4 weeks after being thrown to the seabed, and the snail seedlings can be diffused and distributed to the seabed, so that the ecological restoration effect of the snails is improved.
Preferably, the top surface of base is equipped with the connection rope standing groove that the opening faces up, connects the rope and places in connecting the rope standing groove.
Preferably, the length of the connecting rope is 10-30 meters.
Preferably, the upper part of the inclined guide rod is provided with a stop block, and the stop block is positioned between the upper end of the inclined guide rod and the sliding balancing weight.
Preferably, the cultivation box body is cylindrical, the sliding guide sleeve and the cultivation box body are coaxially distributed, and the sliding guide sleeve is fixed on one side of the cultivation box body facing to the lower end of the inclined guide rod.
Preferably, the scraping plate is provided with a guide sleeve through hole, the sliding guide sleeve penetrates through the guide sleeve through hole, the scraping plate is close to one side of the breeding box body facing the lower end of the inclined guide rod, and the outer edge of the scraping plate is close to the inner side wall of the breeding box body.
Preferably, the shielding plate is provided with a shielding plate through hole, and the inclined guide rod penetrates through the shielding plate through hole.
Preferably, a balancing weight through hole is formed in the sliding balancing weight, and the inclined guide rod penetrates through the balancing weight through hole.
Preferably, the weight of the sliding weight block is 50-150 kg.
Preferably, the base is a hollow concrete base, and a plurality of communicating holes communicated with the inner cavity of the hollow concrete base are formed in the outer side face of the hollow concrete base. Therefore, the hollow concrete base can also be used as a fish reef to provide a place for fish schools to perch and shelter.
The invention has the beneficial effects that: the problem that the survival rate of the snail seedlings is reduced because the snail seedlings are sown on the sea surface, are easily taken away by ocean currents and are distributed to a seabed area which is not suitable for the adhesion and growth of the snail seedlings in the prior art can be effectively solved; and the snail seedlings can be protected within 2-4 weeks after being thrown to the seabed, and the snail seedlings can be diffused and distributed to the seabed, so that the ecological restoration effect of the snails is improved.
Drawings
Fig. 1 is a schematic structural view of a temporary rearing type releasing device capable of protecting seedlings according to the present invention, when a sliding weight block abuts against a sealing cover plate and the sliding weight block abuts against a stop block.
FIG. 2 is a schematic structural view of the temporary rearing type releasing device for protecting seedlings according to the present invention after the temporary rearing box and the sliding counter weight are separated from the inclined guide rod.
Fig. 3 is a partial structural schematic diagram of the temporary rearing type releasing device capable of protecting seedlings in the stretched state of the connecting rope.
In the figure:
a base 1;
the device comprises a bracket 2, a vertical rod 2.1, an inclined guide rod 2.2 and a stop block 2.3;
a sliding counterweight block 3;
a temporary breeding box 4, a breeding box body 4.1, a sliding guide sleeve 4.2, a scraping plate 4.3 and a sealing shielding plate 4.4;
a floating frame 5;
the rope 6 is connected.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The first embodiment is as follows: as shown in fig. 1, a temporary rearing type releasing device capable of protecting offspring seeds comprises a base 1, a support 2 and a snail offspring seed temporary rearing device. In this embodiment, the base is hollow concrete base, is equipped with a plurality of intercommunicating pores that communicate with the inner chamber of hollow concrete base on the lateral surface of hollow concrete base. Therefore, the hollow concrete base can also be used as a fish reef to provide a place for fish schools to perch and shelter. Of course, the base may also be a base of other construction, for example, a steel frame base.
The support 2 comprises a vertical rod 2.1 and an inclined guide rod 2.2 which are arranged at the top of the base, the upper end of the inclined guide rod is fixed on the upper portion of the vertical rod, and the lower end of the inclined guide rod extends downwards towards the outer side of the vertical rod in an inclined mode. In this embodiment, the upper portion of the inclined guide rod is provided with a stopper 2.3. The inclination angle of the inclined guide rod is 30-60 degrees.
The temporary rearing device for the snail seedlings comprises a temporary rearing box 4, a floating frame 5, a connecting rope 6 and a sliding balancing weight 3 sliding along an inclined guide rod. The upper end of the inclined guide rod, the sliding balancing weight, the temporary rearing box and the floating frame are sequentially distributed along the axial direction of the inclined guide rod, and the stop block is positioned between the upper end of the inclined guide rod and the sliding balancing weight.
The temporary rearing case comprises a rearing case body 4.1, a sliding guide sleeve 4.2 fixed in the rearing case body, a scraping plate 4.3 positioned in the rearing case body, a sealing cover plate 4.4 positioned outside the rearing case body and a connecting rod for connecting the scraping plate and the sealing cover plate. One side of the culture box body facing the upper end of the inclined guide rod is provided with an opening, and the opening forms a snail discharge port. The shielding plate is used for shielding the snail discharge port. The sliding guide sleeve is sleeved on the inclined guide rod in a sliding mode, so that the temporary rearing box can slide along the inclined guide rod. The floating frame is fixed on one side of the lower end of the inclined guide rod on the breeding box body. The buoyancy of the floating frame is larger than the gravity of the temporary rearing device for the snail seeds. The sliding balancing weight slides along the inclined guide rod under the action of self weight and is supported on the sealing and shielding plate.
The one end of connecting rope 6 is connected with the middle part of sealing the sunshade board, and the other end of connecting the rope is connected with the base. In this embodiment, the top surface of base is equipped with the connection rope standing groove that the opening is up, and first connecting rope is placed in connecting the rope standing groove. The length of the first connecting rope is 10-30 meters, and in the embodiment, the length of the first connecting rope is 20 meters.
Specifically, breed the box and be the cylinder, the slip guide pin bushing with breed the coaxial distribution of box, slip guide pin bushing one end is fixed on one side of the breed box of the lower extreme towards the slope guide arm, the slip guide pin bushing other end is close to and seals the sunshade. The scraper plate is provided with a guide sleeve through hole, and the sliding guide sleeve penetrates through the guide sleeve through hole. The scraper blade is close to the one side of breeding the box towards the lower extreme of slope guide arm, and the outward flange of scraper blade is close to the inside wall of breeding the box. The scraper blade is used for scraping off the snail seeds attached to the inner side surface of the breeding box body. The sealing cover plate is provided with a sealing cover plate through hole, and the inclined guide rod penetrates through the sealing cover plate through hole. Be equipped with the balancing weight via hole on the sliding weight piece, the slope guide arm passes the balancing weight via hole.
In this embodiment, the aquaculture box is the box with a net, is equipped with on the lateral surface of aquaculture box and puts in mouthful and be used for sealing the apron that hides put in mouthful, and the apron passes through the ribbon and is connected with aquaculture box.
In the embodiment, the difference value between the sum of the gravity of the scraper and the sealing and shielding plate and the sum of the buoyancy of the scraper and the sealing and shielding plate is 0-5 kg-f. Specifically, the sum of the gravity of the scraping plate and the sealing cover plate is the same as the sum of the buoyancy of the scraping plate and the sealing cover plate, or the sum of the gravity of the scraping plate and the sealing cover plate is slightly larger than the sum of the buoyancy of the scraping plate and the sealing cover plate, or the sum of the gravity of the scraping plate and the sealing cover plate is slightly smaller than the sum of the buoyancy of the scraping plate and the sealing cover plate.
In this embodiment, the difference between the buoyancy of the floating frame and the gravity of the temporary rearing device for the snail seeds is 50-150 kgf, and specifically, the difference between the buoyancy of the floating frame and the gravity of the temporary rearing device for the snail seeds is 80 kgf. The weight of the sliding balancing weight is 50-150 kg, and specifically, the weight of the sliding balancing weight is 80 kg.
A releasing method using a temporary rearing releasing device capable of protecting seedlings sequentially comprises the following steps,
firstly, transporting a temporary culture type releasing device capable of protecting seedlings to a releasing sea area (the depth of the releasing sea area is generally 30-100 meters) by a transport ship;
secondly, placing the snail seeds in the temporary rearing box on the transport ship, wherein in the embodiment, the total weight of the snail seeds placed in the temporary rearing box is 50-70 kg, specifically, the snail seeds are placed in the temporary rearing box through the throwing-in opening, and then the cover plate is connected with the rearing box body through a binding belt so as to seal and cover the throwing-in opening.
Thirdly, the temporary culture type releasing device capable of protecting the seedlings is thrown into the seawater and is settled to the seabed.
In actual operation, the temporary culture type releasing device capable of protecting the seedlings can be directly put into seawater and settled to the seabed, and specifically, in the process of putting the temporary culture type releasing device capable of protecting the seedlings into the seawater, the culture box body is manually pulled upwards along the inclined guide rod by manpower, so that the sliding balancing weight abuts against the sealing and shielding plate, and the sliding balancing weight abuts against the stop block; then keeping the sliding balancing weight to abut against the sealing and shielding plate and the sliding balancing weight to abut against the stop block, completely putting the temporary rearing type releasing device capable of protecting the seedlings into the seawater, and then moving the rearing box body upwards along the inclined guide rod under the buoyancy action of the floating frame to abut against the sealing and shielding plate and the sliding balancing weight to abut against the stop block; then, releasing the temporary culture type releasing device capable of protecting the seedlings to enable the temporary culture type releasing device to be settled to the seabed;
in addition, in order to facilitate the operation, the problem that the culture box body is separated from the inclined guide rod in the process of throwing the temporary rearing type releasing device capable of protecting the seedlings into the seawater and the process of sinking the temporary rearing type releasing device capable of protecting the seedlings to the seabed is avoided; before an operator puts the temporary culture type releasing device capable of protecting the seedlings into seawater, the sliding guide sleeve can be bonded on the inclined guide rod through temporary bonding hydrolysis glue (namely glue which can be automatically dissolved in the water again after being solidified, such as water-soluble UV glue); then, the temporary culture type releasing device capable of protecting the seedlings is thrown into the seawater and is settled to the seabed.
As shown in fig. 1, after the temporary rearing type releasing device capable of protecting the seedlings sinks to the seabed, the temporary rearing type releasing device is supported on the seabed through the bottom surface of the base, at the moment, the rearing box body moves upwards along the inclined guide rod under the buoyancy action of the floating frame, the sliding balancing weight is abutted on the sealing cover plate, and the sliding balancing weight is abutted on the stop block;
and then, the snail seeds grow in the temporary rearing box in an attached manner (if the sliding guide sleeve and the inclined guide rod are bonded by the temporary bonding hydrolysis glue, the temporary bonding hydrolysis glue is gradually hydrolyzed and melted in the process, so that the sliding guide sleeve can slide along the inclined guide rod again), and the temporary rearing box slides downwards along the inclined guide rod along with the gradual growth of the snail seeds in the temporary rearing box (generally 2-4 weeks), as shown in figure 2, when the sum of the gravity of the snail seeds in the temporary rearing box and the gravity of the falling floating type snail seed temporary rearing device is greater than the buoyancy of the floating frame. When the temporary rearing box is separated from the lower end of the inclined guide rod, the sliding balancing weight blocks are separated from the inclined guide rod and fall into the seabed, and the temporary rearing box floats upwards under the buoyancy of the floating frame. In the floating process of the temporary culture box, the culture box body rotates under the action of the floating frame, so that one side of the culture box body where the floating frame is located is upwards distributed, and one side of the culture box body where the snail discharge port is located is downwards distributed.
In addition, in the floating process of the cultivation box body and before the connecting rope is tightened to be straight, because the snail seeds are attached to the inner side surface of the cultivation box body, the scraper blade and the sealing and shielding plate are blocked and cannot move downwards, the cultivation box body, the scraper blade, the sealing and shielding plate and the snail seeds in the cultivation box body can float together; as shown in fig. 3, when the first connecting rope is in a stretched state, the scraper and the shielding plate stop floating, the breeding box body continues floating under the action of the floating frame, so that the snail seeds attached to the inner side surface of the breeding box body are scraped off by the scraper and fall down from the snail discharge port, namely the snail seeds fall down at a height of about 20 meters away from the seabed, and thus, the problem that the survival rate of the snail seeds is reduced because the snail seeds are sown on the sea surface in the prior art, and the sea current close to the sea surface is large and is easily taken away by the sea current and is distributed to a seabed area unsuitable for the adhesion and growth of the snail seeds; and the snail seeds can be diffused and distributed to the seabed of the designated release sea area, so that the recovery of snail populations is facilitated. In addition, the snail seedlings can be protected by a temporary rearing box within 2-4 weeks after being placed on the seabed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a can protect temporary rearing formula releasing device of seed, characterized by includes:
a base;
the bracket comprises a vertical rod and an inclined guide rod which are arranged at the top of the base, the upper end of the inclined guide rod is fixed at the upper part of the vertical rod, and the lower end of the inclined guide rod extends downwards and slantways towards the outer side of the vertical rod;
the temporary rearing device for the snail seedlings comprises a temporary rearing box, a floating frame, a connecting rope and a sliding balancing weight which slides along an inclined guide rod, wherein the upper end of the inclined guide rod, the sliding balancing weight, the temporary rearing box and the floating frame are sequentially distributed along the axial direction of the inclined guide rod,
the temporary rearing box comprises a rearing box body, a sliding guide sleeve fixed on the rearing box body, a scraper plate positioned in the rearing box body, a sealing cover plate positioned outside the rearing box body and a connecting rod for connecting the scraper plate and the sealing cover plate, wherein one side of the rearing box body, which faces the upper end of an inclined guide rod, is opened, a snail discharge port is formed by the opening, the sealing cover plate seals the snail discharge port, the sliding guide sleeve is sleeved on the inclined guide rod in a sliding manner so that the temporary rearing box can slide along the inclined guide rod, a floating frame is fixed on one side of the rearing box body, which faces the lower end of the inclined guide rod, the buoyancy of the floating frame is greater than the gravity of the snail seed temporary rearing device, a sliding counterweight block slides along the inclined guide rod under the action of self weight and is supported on the sealing cover plate, one end of the connecting rope is connected with the middle part of the sealing cover plate, and the other end of the connecting rope is connected with a base;
the upper part of the inclined guide rod is provided with a stop block, and the stop block is positioned between the upper end of the inclined guide rod and the sliding balancing weight; the scraper plate is provided with a guide sleeve through hole, the sliding guide sleeve penetrates through the guide sleeve through hole, the scraper plate is close to one side of the breeding box body facing the lower end of the inclined guide rod, and the outer edge of the scraper plate is close to the inner side wall of the breeding box body.
2. The temporary rearing type releasing device for the fries according to claim 1, wherein the top surface of the base is provided with a connecting rope placing groove with an upward opening, and the connecting rope is placed in the connecting rope placing groove.
3. The temporary rearing type releasing device for fry protection according to claim 1, wherein the length of the connecting rope is 10 to 30 meters.
4. The temporary rearing type releasing device for fry protection according to claim 1, 2 or 3, wherein the rearing box is cylindrical, and a sliding guide bush is coaxially arranged with the rearing box and fixed to a side of the rearing box facing the lower end of the inclined guide rod.
5. The temporary rearing type releasing device capable of protecting the seedlings according to claim 1, 2 or 3, wherein the closing plate is provided with a closing plate through hole, and the inclined guide rod penetrates through the closing plate through hole.
6. The temporary rearing type releasing device for the fries according to claim 1, 2 or 3, wherein the sliding balancing weight is provided with a balancing weight through hole, and the inclined guide rod passes through the balancing weight through hole.
7. The temporary rearing type releasing device for the fries according to claim 1, 2 or 3, wherein the weight of the sliding counter weight is 50-150 kg.
8. The temporary rearing type releasing device for the fries according to claim 1, 2 or 3, wherein the base is a hollow concrete base, and a plurality of communication holes communicated with the inner cavity of the hollow concrete base are arranged on the outer side surface of the hollow concrete base.
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| CN202111204478.2A CN113907027B (en) | 2021-10-15 | 2021-10-15 | Temporary culture type releasing device and releasing method capable of protecting seedlings |
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| CN202111204478.2A CN113907027B (en) | 2021-10-15 | 2021-10-15 | Temporary culture type releasing device and releasing method capable of protecting seedlings |
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| CN113349112A (en) * | 2021-06-23 | 2021-09-07 | 浙江省海洋水产研究所 | Device for oviposition and inhabitation of cephalopods |
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