CN112715431A - Trigger expansion type cuttlefish egg attachment device - Google Patents
Trigger expansion type cuttlefish egg attachment device Download PDFInfo
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- CN112715431A CN112715431A CN202011505846.2A CN202011505846A CN112715431A CN 112715431 A CN112715431 A CN 112715431A CN 202011505846 A CN202011505846 A CN 202011505846A CN 112715431 A CN112715431 A CN 112715431A
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- 241000238371 Sepiidae Species 0.000 title claims abstract description 59
- 230000009471 action Effects 0.000 claims description 22
- 230000005484 gravity Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims 1
- 235000013601 eggs Nutrition 0.000 description 42
- 230000017448 oviposition Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000875 corresponding effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 241001474374 Blennius Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000242757 Anthozoa Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; 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
- A01K61/75—Artificial fishing banks or reefs floating
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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
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- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a trigger expansion type cuttlefish egg attachment device, and aims to provide a trigger expansion type cuttlefish egg attachment device which can fully utilize the space in the depth direction of the sea bottom to meet the requirement of spawning of a parent cuttlefish. It includes: the base sinks to the sea bottom, and a vertical guide rod is arranged on the base; a plurality of floating frames which can be lifted up and down along the vertical guide rod, wherein the floating frames are sequentially distributed from top to bottom, a plurality of egg-attached connecting ropes are arranged between any two adjacent floating frames, and the egg-attached connecting ropes are connected with the two floating frames which are adjacently distributed; trigger device, trigger device and floating frame one-to-one, trigger device include the bracing piece, set up bracing piece stopper on the floating frame that corresponds, set up vertical spacing hole on the upper surface of the floating frame that corresponds and set up on the floating frame that corresponds and with the through wires hole that vertical spacing hole is linked together, the upper end of bracing piece is passed through the axostylus axostyle and is rotated the setting and at the floating frame, the lower extreme of bracing piece is equipped with the cutting off cutter.
Description
Technical Field
The invention relates to an attachment device, in particular to a trigger expansion type cuttlefish egg attachment device.
Background
The cuttlefish needs to lay eggs on attachments, has high requirements on the attachments, and is generally selected to be firmer in fixation and smoother in surface. In the spawning site sea area, the gorgonia which is the main spawning attachment of the cuttlefish is not enough in quantity, the requirement of spawning of the parent cuttlefish can not be met, a plurality of fertilized eggs are attached to tender branch-shaped seaweeds, the fertilized eggs of the cuttlefish attached to the seaweeds are easy to fall off when encountering water flow impact, even the strings fall off, and once the fertilized eggs of the cuttlefish fall off, the fertilized eggs of the cuttlefish sink into the seabed sludge, the fertilized eggs of the cuttlefish are dead, the hatchability of the fertilized eggs of the cuttlefish is seriously reduced, and therefore, the repairing of the spawning attachment must be carried out synchronously while the proliferation and release work is.
For this reason, a large amount of artificial egg-laying bases are used to increase the attachment of cuttlefish eggs. The inventor of the application discovers through investigation of currently released cuttlefish egg-laying attachments that cuttlefish prefers to lay eggs on attachments close to the sea bottom, and in the currently released cuttlefish egg-laying attachments, only attachments within 50 centimeters away from the sea bottom (for example, egg-laying ropes within 50 centimeters away from the sea bottom) are usually attached with cuttlefish eggs, but currently released artificial egg-laying bases do not always consider the attachment, but rather, depth spaces are utilized to increase egg-laying parts of the egg-laying bases, for example, the lengths of the egg-laying ropes of the artificial egg-laying bases in the depth direction are longer and generally exceed 1.5 meters, which seems that the attachments of the cuttlefish eggs can be increased through the longer egg-laying ropes, and the depth spaces are repeatedly utilized to meet the requirements of parent cuttlefish for laying eggs; but actually, the method does not have the corresponding effect, and the deep space cannot be utilized to meet the requirement of the parent cuttlefish for spawning.
Disclosure of Invention
The invention aims to provide a trigger expansion type cuttlefish egg attachment device which can fully utilize the space in the depth direction of the sea bottom to meet the requirement of spawning of parent cuttlefish.
The technical scheme of the invention is as follows:
a trigger-extended cuttlefish egg attachment device comprising:
the base sinks to the sea bottom, and a vertical guide rod is arranged on the base;
a plurality of floating frames which can be lifted up and down along the vertical guide rod, wherein the floating frames are sequentially distributed from top to bottom, a plurality of egg-attached connecting ropes are arranged between any two adjacent floating frames, and the egg-attached connecting ropes are connected with the two floating frames which are adjacently distributed;
the trigger devices correspond to the floating frames one by one, each trigger device comprises a support rod, a support rod limiting block arranged on the corresponding floating frame, a vertical limiting hole arranged on the upper surface of the corresponding floating frame and a threading hole which is arranged on the corresponding floating frame and communicated with the vertical limiting hole, the upper end of each support rod is rotatably arranged on the floating frame through a shaft rod, a cutting knife is arranged at the lower end of each support rod, and the buoyancy of each floating frame is greater than the gravity of the floating frame and the gravity of the trigger devices on the floating frames;
when the supporting rod is abutted against the supporting rod limiting block, the supporting rod is parallel to the vertical guide rod, and the lower end of the supporting rod is positioned right above the vertical limiting hole on the floating frame below the supporting rod;
the floating frame positioned at the top floats upwards along the vertical guide rod under the action of buoyancy force, so that the egg-attached connecting rope connected with the floating frame is in a stretched state, and the supporting rod on the floating frame rotates around the shaft rod under the action of self weight and abuts against the supporting rod limiting block;
in the rest floating frames, any two adjacent floating frames are connected through a connecting line, and the connecting line passes through the vertical limiting hole and the threading hole on the floating frame positioned above the two floating frames,
the floating frame positioned at the lowest position is also connected with the base through a connecting line, and the connecting line penetrates through the vertical limiting hole and the threading hole in the floating frame.
The trigger expansion type cuttlefish egg attachment device has the following specific work:
the floating frame positioned at the top floats upwards along the vertical guide rod under the action of buoyancy force, so that the egg-attached connecting rope connected with the floating frame is in a stretched state; and the rest floating frames and the lowest floating frame are connected with the base through connecting wires, so that the egg-attached connecting rope which is connected with the uppermost floating frame and is in a stretched state is integrally close to the seabed, the characteristic that the cuttlefish prefers to lay eggs on attachments close to the seabed when laying eggs is fully utilized, the cuttlefish can lay eggs on the egg-attached connecting rope in the stretched state, in the process, along with the increase of the egg-attached quantity on the egg-attached connecting rope, when the weight of the egg-attached quantity on the egg-attached connecting rope reaches a set value, the buoyancy of the floating frame above the egg-attached connecting rope (namely the buoyancy of the uppermost floating frame) is overcome, the uppermost floating frame moves downwards along the vertical direction, so that the lower end of the supporting rod on the uppermost floating frame is inserted into the vertical limiting hole on the floating frame below the adjacent floating frame, and the connecting wires in the vertical limiting hole are cut off by the cutting knife, when the connecting line in the vertical limiting hole is cut off, the second floating frame from top to bottom floats upwards under the action of buoyancy;
in the process that the second floating frame from top to bottom floats upwards under the action of buoyancy, the floating frame and the uppermost floating frame are supported by the supporting rods between the floating frame and the uppermost floating frame and drive the uppermost floating frame to float upwards synchronously until the egg-attached connecting rope connected with the floating frame is straightened, so that the distance between the floating frame and the uppermost floating frame is ensured, and the cuttlefish eggs on the egg-attached connecting rope between the floating frame and the uppermost floating frame are prevented from being extruded and damaged; meanwhile, the support rod on the second floating frame from top to bottom rotates around the shaft rod under the action of self weight and abuts against the support rod limiting block;
secondly, the cuttlefish uses the characteristic that the cuttlefish prefers to lay eggs on the attachments close to the sea bottom when laying eggs, so that the cuttlefish lays eggs on the egg-attached connecting rope in a stretched state between the second floating frame and the third floating frame from top to bottom; in the process, along with the increase of the egg-attaching quantity on the egg-attaching connecting rope, when the weight of the egg-attaching quantity on the egg-attaching connecting rope reaches a set value, the buoyancy of the floating frame above the egg-attaching connecting rope (namely the first floating frame and the second floating frame from top to bottom) is overcome, the first floating frame and the second floating frame from top to bottom move downwards along the vertical guide rod, so that the lower end of the support rod on the second floating frame from top to bottom is inserted into the vertical limiting hole on the floating frame below the adjacent floating frame, the connecting wire in the vertical limiting hole is cut off by the cut-off knife, and after the connecting wire in the vertical limiting hole is cut off, the third floating frame from top to bottom floats upwards under the action of the buoyancy;
in the process that the third floating frame from top to bottom floats upwards under the action of buoyancy, the floating frame and the second floating frame from top to bottom are supported by the supporting rods between the floating frames and drive the floating frames above the third floating frame from top to bottom to float upwards synchronously until the egg-attached connecting ropes connected with the floating frames are straightened, so that the space between the floating frames above the floating frames is ensured, and the cuttlefish eggs on the egg-attached connecting ropes between the floating frames are prevented from being extruded and damaged; meanwhile, a support rod on the third floating frame from top to bottom rotates around the shaft rod under the action of self weight and abuts against a support rod limiting block; the circulation is carried out until the lowest floating frame floats upwards under the action of buoyancy; therefore, the characteristic that the cuttlefish likes to lay eggs on the attachment close to the seabed every time can be utilized, so that the cuttlefish can lay eggs on the egg-attached connecting rope close to the seabed, and the space in the depth direction of the seabed is fully utilized to meet the requirement of the parent cuttlefish for laying eggs.
Preferably, when two adjacent floating frames are connected through the connecting line, the distance between the two adjacent floating frames is less than 5 cm.
Preferably, when the lowest floating frame is also connected with the base through the connecting line, the distance between the lowest floating frame and the base is less than 5 cm.
Preferably, a plurality of egg-attaching connecting ropes are also arranged between the lowermost floating frame and the base, and the egg-attaching connecting ropes are connected with the lowermost floating frame and the base.
Preferably, the floating frame is provided with a vertical guide sleeve in floating fit with the vertical guide rod.
Preferably, the shaft is located in the middle of the corresponding floating frame.
Preferably, the lower end of the supporting rod is provided with a guide cone with the outer diameter gradually reduced from top to bottom, and the cutting knife is arranged at the lower end of the guide cone.
Preferably, the upper end of the vertical guide rod is provided with a guide rod limiting block.
Preferably, the length of the egg-attached connecting rope is 20-40 cm.
The invention has the beneficial effects that: the space in the depth direction of the sea bottom can be fully utilized to meet the requirement of the parent cuttlefish for spawning.
Drawings
Fig. 1 is a schematic structural diagram of the triggering extended cuttlefish egg attachment device of the present invention.
Fig. 2 is a partial enlarged view of a portion a of fig. 1.
In the figure:
the device comprises a base 1, a vertical guide rod 1.1 and a guide rod limiting block 1.2;
a floating frame 2 and a vertical guide sleeve 2.1;
an egg-attached connecting rope 3;
bracing piece 4.1, bracing piece stopper 4.2, vertical spacing hole 4.3, through wires hole 4.4, connecting wire 4.5, axostylus axostyle 4.6, cutting off cutter 4.7, guide cone 4.8.
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 by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1 and 2, a triggered expanding cuttlefish egg attachment device includes a base 1, a plurality of floating frames 2, and a triggering device. The base sinks to the seabed, is equipped with vertical guide rod 1.1 on the base, and the vertical guide rod in this embodiment is 2 or 4, and the upper end of vertical guide rod is equipped with guide rod stopper 1.2.
The floating frames 2 are distributed from top to bottom in sequence. Each floating frame can ascend and descend vertically along the vertical guide rod, and specifically, the floating frame is provided with a vertical guide sleeve 2.1 in floating fit with the vertical guide rod, so that the floating frame can ascend and descend vertically along the vertical guide rod.
A plurality of egg-attached connecting ropes 3 are arranged between any two adjacent floating frames, and the egg-attached connecting ropes are connected with the two floating frames which are distributed adjacently. In this embodiment, the length of the egg-attached connecting rope is 20 to 40 cm, and specifically, the length of the egg-attached connecting rope is 30 cm.
The triggering devices correspond to the floating frames one by one. The triggering device comprises a supporting rod 4.1, a supporting rod limiting block 4.2 arranged on the corresponding floating frame, a vertical limiting hole 4.3 arranged on the upper surface of the corresponding floating frame and a threading hole 4.4 arranged on the corresponding floating frame and communicated with the vertical limiting hole. The upper end of bracing piece is passed through axostylus axostyle 4.6 and is rotated the setting and float the frame, and in this embodiment, the axostylus axostyle is located the middle part that floats the frame that corresponds, and the bracing piece is located the below that floats the frame that corresponds. The lower end of the supporting rod is provided with a cutting knife 4.7. The buoyancy of the floating frame is larger than the gravity of the floating frame and the triggering device on the floating frame. In this embodiment, the vertical limiting holes of the triggering devices are coaxially distributed, and the axes of the vertical limiting holes are parallel to the vertical guide rod.
When the supporting rod is supported on the supporting rod limiting block, the supporting rod is parallel to the vertical guide rod, and the lower end of the supporting rod is positioned right above the vertical limiting hole on the floating frame below the adjacent floating frame.
As shown in fig. 1, a floating frame at the top floats upwards along a vertical guide rod under the action of buoyancy force, so that an egg-attached connecting rope connected with the floating frame is in a stretched state, and a support rod on the floating frame rotates around a shaft under the action of self weight and abuts against a support rod limiting block;
as shown in fig. 1 and 2, in the rest of the floating frames, any two adjacent floating frames are connected through a connecting line 4.5, and the connecting line passes through the vertical limiting hole and the threading hole on the floating frame positioned above the two floating frames;
the floating frame located at the lowest position is connected with the base through a connecting line, the connecting line penetrates through the vertical limiting hole and the threading hole in the floating frame, specifically, one end of the connecting line is connected with the base, and the other end of the connecting line penetrates through the vertical limiting hole and the threading hole in the floating frame and then is connected with the base again.
In this embodiment, when two adjacent floating frames are connected by a connecting line, the distance between the two adjacent floating frames is less than 5 cm, specifically, when two adjacent floating frames are connected by a connecting line, the distance between the two adjacent floating frames is 3 cm; when one floating frame positioned at the lowest part is connected with the base through a connecting line, the distance between the floating frame positioned at the lowest part and the base is less than 5 cm; specifically, when the lowermost floating frame is connected with the base through the connecting line, the distance between the lowermost floating frame and the base is 3 cm.
The specific work of the triggering expansion type cuttlefish egg attachment device of the embodiment is as follows:
the floating frame positioned at the top floats upwards along the vertical guide rod under the action of buoyancy force, so that the egg-attached connecting rope connected with the floating frame is in a stretched state; and the rest floating frames and the lowest floating frame are connected with the base through connecting wires, so that the egg-attached connecting rope which is connected with the uppermost floating frame and is in a stretched state is integrally close to the seabed, the characteristic that the cuttlefish prefers to lay eggs on attachments close to the seabed when laying eggs is fully utilized, the cuttlefish can lay eggs on the egg-attached connecting rope in the stretched state, in the process, along with the increase of the egg-attached quantity on the egg-attached connecting rope, when the weight of the egg-attached quantity on the egg-attached connecting rope reaches a set value, the buoyancy of the floating frame above the egg-attached connecting rope (namely the buoyancy of the uppermost floating frame) is overcome, the uppermost floating frame moves downwards along the vertical direction, so that the lower end of the supporting rod on the uppermost floating frame is inserted into the vertical limiting hole on the floating frame below the adjacent floating frame, and the connecting wires in the vertical limiting hole are cut off by the cutting knife, when the connecting line in the vertical limiting hole is cut off, the second floating frame from top to bottom floats upwards under the action of buoyancy;
in the process that the second floating frame from top to bottom floats upwards under the action of buoyancy, the floating frame and the uppermost floating frame are supported by the supporting rods between the floating frame and the uppermost floating frame and drive the uppermost floating frame to float upwards synchronously until the egg-attached connecting rope connected with the floating frame is straightened, so that the distance between the floating frame and the uppermost floating frame is ensured, and the cuttlefish eggs on the egg-attached connecting rope between the floating frame and the uppermost floating frame are prevented from being extruded and damaged; meanwhile, the support rod on the second floating frame from top to bottom rotates around the shaft rod under the action of self weight and abuts against the support rod limiting block;
secondly, the cuttlefish uses the characteristic that the cuttlefish prefers to lay eggs on the attachments close to the sea bottom when laying eggs, so that the cuttlefish lays eggs on the egg-attached connecting rope in a stretched state between the second floating frame and the third floating frame from top to bottom; in the process, along with the increase of the egg-attaching quantity on the egg-attaching connecting rope, when the weight of the egg-attaching quantity on the egg-attaching connecting rope reaches a set value, the buoyancy of the floating frame above the egg-attaching connecting rope (namely the first floating frame and the second floating frame from top to bottom) is overcome, the first floating frame and the second floating frame from top to bottom move downwards along the vertical guide rod, so that the lower end of the support rod on the second floating frame from top to bottom is inserted into the vertical limiting hole on the floating frame below the adjacent floating frame, the connecting wire in the vertical limiting hole is cut off by the cut-off knife, and after the connecting wire in the vertical limiting hole is cut off, the third floating frame from top to bottom floats upwards under the action of the buoyancy;
in the process that the third floating frame from top to bottom floats upwards under the action of buoyancy, the floating frame and the second floating frame from top to bottom are supported by the supporting rods between the floating frames and drive the floating frames above the third floating frame from top to bottom to float upwards synchronously until the egg-attached connecting ropes connected with the floating frames are straightened, so that the space between the floating frames above the floating frames is ensured, and the cuttlefish eggs on the egg-attached connecting ropes between the floating frames are prevented from being extruded and damaged; meanwhile, a support rod on the third floating frame from top to bottom rotates around the shaft rod under the action of self weight and abuts against a support rod limiting block; the circulation is carried out until the lowest floating frame floats upwards under the action of buoyancy; therefore, the characteristic that the cuttlefish likes to lay eggs on the attachment close to the seabed every time can be utilized, so that the cuttlefish can lay eggs on the egg-attached connecting rope close to the seabed, and the space in the depth direction of the seabed is fully utilized to meet the requirement of the parent cuttlefish for laying eggs.
Furthermore, a plurality of egg-attached connecting ropes are also arranged between the floating frame positioned at the lowest part and the base, and the egg-attached connecting ropes are connected with the floating frame positioned at the lowest part and the base.
Furthermore, the lower end of the supporting rod is provided with a guide cone 4.8 of which the outer diameter is gradually reduced from top to bottom, and the cutting-off knife is arranged at the lower end of the guide cone. The lower end of the supporting rod is inserted into the vertical limiting hole of the floating frame below the adjacent floating frame due to the arrangement of the guide cone.
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 (9)
1. A trigger extension type cuttlefish egg attachment device is characterized by comprising:
the base sinks to the sea bottom, and a vertical guide rod is arranged on the base;
a plurality of floating frames which can be lifted up and down along the vertical guide rod, wherein the floating frames are sequentially distributed from top to bottom, a plurality of egg-attached connecting ropes are arranged between any two adjacent floating frames, and the egg-attached connecting ropes are connected with the two floating frames which are adjacently distributed;
the trigger devices correspond to the floating frames one by one, each trigger device comprises a support rod, a support rod limiting block arranged on the corresponding floating frame, a vertical limiting hole arranged on the upper surface of the corresponding floating frame and a threading hole which is arranged on the corresponding floating frame and communicated with the vertical limiting hole, the upper end of each support rod is rotatably arranged on the floating frame through a shaft rod, a cutting knife is arranged at the lower end of each support rod, and the buoyancy of each floating frame is greater than the gravity of the floating frame and the gravity of the trigger devices on the floating frames;
when the supporting rod is abutted against the supporting rod limiting block, the supporting rod is parallel to the vertical guide rod, and the lower end of the supporting rod is positioned right above the vertical limiting hole on the floating frame below the supporting rod;
the floating frame positioned at the top floats upwards along the vertical guide rod under the action of buoyancy force, so that the egg-attached connecting rope connected with the floating frame is in a stretched state, and the supporting rod on the floating frame rotates around the shaft rod under the action of self weight and abuts against the supporting rod limiting block;
in the rest floating frames, any two adjacent floating frames are connected through a connecting line, and the connecting line passes through the vertical limiting hole and the threading hole on the floating frame positioned above the two floating frames,
the floating frame positioned at the lowest position is also connected with the base through a connecting line, and the connecting line penetrates through the vertical limiting hole and the threading hole in the floating frame.
2. The trigger expandable cuttlefish egg attachment device according to claim 1, wherein when two adjacent floating frames are connected to each other by a connecting line, the distance between the two adjacent floating frames is less than 5 cm.
3. The trigger expandable cuttlefish egg attachment device as claimed in claim 1, wherein when the lowermost one of the floating frames is connected to the base through the connecting line, the distance between the lowermost one of the floating frames and the base is less than 5 cm.
4. The trigger expansion type cuttlefish egg attachment device as claimed in claim 1, 2 or 3, wherein a plurality of egg-attaching connecting ropes are also provided between the lowermost one of the floating frames and the base, and the egg-attaching connecting ropes connect the lowermost one of the floating frames and the base.
5. The trigger expansion type cuttlefish egg attachment device as claimed in claim 1, 2 or 3, wherein the floating frame is provided with a vertical guide sleeve in floating fit with the vertical guide rod.
6. The trigger expandable cuttlefish egg attachment device according to claim 1, 2 or 3, wherein the shaft is located at a middle portion of the corresponding floating frame.
7. The trigger expansion type cuttlefish egg attachment device as claimed in claim 1, 2 or 3, wherein the lower end of the support rod is provided with a guide cone having an outer diameter gradually decreasing from top to bottom, and the cutting knife is provided at the lower end of the guide cone.
8. The trigger expandable cuttlefish egg attachment device according to claim 1, 2 or 3, wherein a guide rod limiting block is arranged at the upper end of the vertical guide rod.
9. The trigger expandable cuttlefish egg attachment device according to claim 1, 2 or 3, wherein the egg attachment string has a length of 20-40 cm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011505846.2A CN112715431B (en) | 2020-12-18 | 2020-12-18 | Trigger expansion type cuttlefish egg attachment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011505846.2A CN112715431B (en) | 2020-12-18 | 2020-12-18 | Trigger expansion type cuttlefish egg attachment device |
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| CN112715431A true CN112715431A (en) | 2021-04-30 |
| CN112715431B CN112715431B (en) | 2022-04-12 |
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| CN107980682A (en) * | 2017-11-28 | 2018-05-04 | 浙江海洋大学 | A kind of waste petroleum platform fish reef structure |
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| CN111903572A (en) * | 2020-07-20 | 2020-11-10 | 浙江省海洋水产研究所 | Cage type cuttlefish egg laying attachment base |
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| CN112715431B (en) | 2022-04-12 |
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