CN106900666A - A kind of floatation type floating gill net device - Google Patents
A kind of floatation type floating gill net device Download PDFInfo
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- CN106900666A CN106900666A CN201510987820.9A CN201510987820A CN106900666A CN 106900666 A CN106900666 A CN 106900666A CN 201510987820 A CN201510987820 A CN 201510987820A CN 106900666 A CN106900666 A CN 106900666A
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- cylinder body
- gill net
- rope
- floating
- triggering cylinder
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- 238000007667 floating Methods 0.000 title claims abstract description 59
- 230000005484 gravity Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 70
- 229910052742 iron Inorganic materials 0.000 claims description 35
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 239000011148 porous material Substances 0.000 claims description 15
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 239000013535 sea water Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 3
- 241000251468 Actinopterygii Species 0.000 abstract description 13
- 230000003292 diminished effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000366 juvenile effect Effects 0.000 abstract description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
- A01K71/00—Floating nets
-
- 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
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
- A01K75/04—Floats
-
- 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
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
- A01K75/06—Sinkers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Marine Sciences & Fisheries (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of floatation type floating gill net device, it is desirable to provide a kind of mesh for being prevented effectively from floating gill net is deformed upon by the gravity effect of pullling of balancing weight, so that the reality of mesh is diminished by size, it is unfavorable for the floating gill net device of the problem that juvenile fish escapes.It includes floating gill net, the floating gill net includes the upper head rope, the lower head rope, the rectangle mesh sheet between the upper head rope and the lower head rope and some vertical connecting ropes being equally distributed between the upper head rope and the lower head rope, the upper end of the vertical connecting rope is connected with the upper head rope, lower end is connected with the lower head rope, the upper end of the vertical connecting rope is provided with float, the lower end of vertical connecting rope is provided with weight-driven, and the buoyancy sum of each float is more than floating gill net and the gravity sum of weight-driven.
Description
Technical field
The present invention relates to a kind of drift net, and in particular to a kind of floatation type floating gill net device.
Background technology
The rectangle mesh sheet that floating gill net is made into using one or more layers plastic cement silk.There are multiple balancing weights in the lower edge system that there is multiple floats, floating gill net in superficial puncture top line of the net system, so that floating gill net vertical opening is located at the position close near sea level, waits fish to swim and is snarled into and by mesh.
The mesh size of the rectangle mesh sheet of current floating gill net typically can all be defined, it is to avoid cause big fish, small fish to be all caught no matter mesh size is too small, can cause ecological disruption；But in floating gill net in actual use, so that the reality of mesh is diminished by size, it is unfavorable for that juvenile fish escapes because the effect of pullling of the gravity of balancing weight often makes mesh deform, elongate.
On the other hand, floating gill net is often damaged because of netting gear in use, and is discarded in marine site by fisherman.These are discarded in the floating gill net in marine site, and the part ball float appearance on the floating gill net long of time one comes off, damages, and causes floating gill net that seabed is sunk in the presence of balancing weight；And be very difficult to salvage if floating gill net sinks to seabed, cause seabed ghost to fish for, by heavy damage seabed ecological environment.
The content of the invention
The first object of the present invention is to overcome deficiency of the prior art, a kind of floatation type floating gill net device is provided, the mesh that it can be prevented effectively from floating gill net is deformed upon by the gravity effect of pullling of balancing weight, so that the reality of mesh is diminished by size, is unfavorable for the problem that juvenile fish escapes.
The present invention on the basis of the first purpose another object is that in order to overcome deficiency of the prior art, a kind of floatation type floating gill net device is provided, its can effectively solve floating gill net sink to seabed be then very difficult to salvage, cause seabed ghost to fish for, by the problem of heavy damage seabed ecological environment.
The technical scheme is that：
A kind of floatation type floating gill net device, including floating gill net, the floating gill net includes the upper head rope, the lower head rope, the rectangle mesh sheet between the upper head rope and the lower head rope and some vertical connecting ropes being equally distributed between the upper head rope and the lower head rope, the upper end of the vertical connecting rope is connected with the upper head rope, lower end is connected with the lower head rope, the upper end of the vertical connecting rope is provided with float, the lower end of vertical connecting rope is provided with weight-driven, and the buoyancy sum of each float is more than floating gill net and the gravity sum of weight-driven.This programme bears the power of pullling of float and weight-driven by vertical connecting rope, and rectangle mesh sheet is not pullled power by float and weight-driven；The mesh that floating gill net can be thus prevented effectively from is deformed upon by the gravity effect of pullling of balancing weight, so that the reality of mesh is diminished by size, is unfavorable for the problem that juvenile fish escapes.
Preferably, the upper end of connecting rope is provided with upper lift ring vertically, lower end is provided with lower lift ring, and the float is connected by upper lifting rope with upper lift ring, and the weight-driven is connected by lower lifting rope with lower lift ring.
Preferably, rectangle mesh sheet is divided into upper net plate portion, middle mesh sheet portion and lower net plate portion, the mesh area of the mesh area more than middle mesh sheet portion in the lower net plate portion, mesh area of the middle mesh sheet portion mesh area more than upper net plate portion from top to bottom in net direction high.
As preferred, weight-driven includes the cylindrical shape counterweight and shank of upper and lower ends closing, the top board of the cylindrical shape counterweight is easily by the iron plate of seawater corrosion, the upper surface middle part of the iron plate is provided with spliced eye, spliced eye medial surface is provided with sealing ring mounting groove, gas-flow closure circle is provided with sealing ring mounting groove, gas-flow closure circle is provided with charging connector；The iron plate upper surface is provided with annular thinning groove, the spliced eye is located at the inner side of annular thinning groove, the first pretension compression spring is provided with the cylindrical shape counterweight, the lower end of the first pretension compression spring is resisted against on the inner bottom surface of cylindrical shape counterweight, upper end is resisted against on the inner top surface of cylindrical shape counterweight, and first pretension compression spring upper end be located at annular thinning groove inner side, the shank is plugged in spliced eye, and gas-flow closure snare is located on shank, the upper end of the shank is connected with the lower end of vertical connecting rope.
The floatation type floating gill net device of this programme can effectively solve floating gill net sink to seabed be then very difficult to salvage, cause seabed ghost to fish for, by the problem of heavy damage seabed ecological environment.
As preferred, weight-driven also includes rotten disconnected trigger release, the disconnected trigger release of the corruption includes the triggering cylinder body being arranged on the upper surface of iron plate, slidably it is arranged on triggering cylinder body upper piston body and lower piston body, connect the connecting rod and the ring baffle directly over triggering cylinder body of upper and lower piston body, the ring baffle is fixed on triggering cylinder body by connector, and connector is located at the axis perpendicular in the outside of annular thinning groove, ring baffle and cylindrical shape counterweight；The triggering cylinder body is located at the inner side of annular thinning groove, the axis for triggering cylinder body is parallel with the axis of cylindrical shape counterweight, trigger the upper end open of cylinder body, lower end closed, the medial surface top for triggering cylinder body is provided with upper limit position block, the medial surface bottom for triggering cylinder body is provided with lower position block, and upper piston body and lower piston body are located between upper limit position block and lower position block, it is located in the triggering cylinder body between triggering cylinder body inner bottom surface and lower piston body and is provided with the second pretension compression spring, the triggering cylinder body lateral surface is provided with and is connected through hole with the first intercommunicating pore of the intracavity inter-connection of triggering cylinder body and second, the upper surface of the upper piston body is provided with the triggering push rod coaxial with triggering cylinder body, the end of push rod is triggered through the upper end open for triggering cylinder body and triggering cylinder body top is located at；The gas-flow closure circle is provided with exhaust joint, is connected by connecting tube between first intercommunicating pore and exhaust joint；When upper piston body is resisted against on upper limit position block：First intercommunicating pore is located at the lower section of lower piston body, and the second connection through hole is located between upper and lower piston body；Instantly when piston body is resisted against on lower position block：First intercommunicating pore and the second connection through hole are located between upper and lower piston body.
Preferably, ring baffle is provided with the axis guide through hole parallel with the axis of cylindrical shape counterweight, iron plate is provided with guide post, and guide post is located at the inner side of annular thinning groove, and guide post passes through guide through hole.
Preferably, the axis of ring baffle overlaps with the axis of cylindrical shape counterweight.
Preferably, the lower surface of iron plate is provided with the corresponding annular of annular thinning groove easily fault trough, and annular easily fault trough is V-shaped.
Preferably, the thickness of iron plate is 2-4mm, the groove depth of the annular thinning groove is 1.5-3.5mm.
Preferably, the spacing between the bottom surface of annular thinning groove and iron plate lower surface is 0.4-0.6mm.
Preferably, the length of connecting rope is high less than or equal to the net of rectangle mesh sheet vertically.
The beneficial effects of the invention are as follows：
First, the mesh that can be prevented effectively from floating gill net is deformed upon by the gravity effect of pullling of balancing weight, so that the reality of mesh is diminished by size, it is unfavorable for the problem that juvenile fish escapes.
Then it is very difficult to salvage second, can effectively solve floating gill net and sink to seabed, causes seabed ghost to fish for, by the problem of heavy damage seabed ecological environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of floatation type floating gill net device of the invention.
Fig. 2 is a kind of structural representation of weight-driven of the invention.
Fig. 3 is the partial enlarged drawing at A in Fig. 2.
Fig. 4 is the partial enlarged drawing at B in Fig. 3.
In figure：Rectangle mesh sheet 1a, upper head rope 2a, vertical connecting rope 3a, upper lift ring 4a, float 5a, upper lifting rope 6a, lower head rope 7a, lower lift ring 8a, lower lifting rope 9a；
Weight-driven 1b：Cylindrical shape counterweight 1, first pretension compression spring 2, iron plate 3, the thinning groove 4 of annular, shank 5, collar stop 51, link 7, the disconnected trigger release 8 of corruption, triggering cylinder body 81, ring baffle 82, guide post 83, triggering push rod 84, upper limit position block 85, the connection of upper piston body 86, second through hole 87, lower piston body 88, the second pretension compression spring 89, lower position block 810, the first intercommunicating pore 811, annular easily fault trough 9 cross connecting tube 10, exhaust joint 11, spliced eye 12, gas-flow closure circle 13, charging connector 14.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of floatation type floating gill net device includes floating gill net.Floating gill net includes the vertical connecting rope 3a that upper head rope 2a, lower head rope 7a, the rectangle mesh sheet 1a between the upper head rope and the lower head rope and some are equally distributed between the upper head rope and the lower head rope.Rectangle mesh sheet is divided into upper net plate portion, middle mesh sheet portion and lower net plate portion from top to bottom in net direction high.The mesh area in lower net plate portion is more than the mesh area in middle mesh sheet portion, mesh area of the middle mesh sheet portion mesh area more than upper net plate portion.
The upper end of vertical connecting rope is connected with the upper head rope, and lower end is connected with the lower head rope.The length of vertical connecting rope is high less than or equal to the net of rectangle mesh sheet.The upper end of vertical connecting rope is provided with float 5a.The lower end of vertical connecting rope is provided with weight-driven 1b.The upper end of vertical connecting rope is provided with upper lift ring 4a, and lower end is provided with lower lift ring 8a.Float is connected by upper lifting rope 6a with upper lift ring.Weight-driven is connected by lower lifting rope 9a with lower lift ring.The buoyancy sum of each float is more than floating gill net and the gravity sum of weight-driven.
As shown in Figure 2 and Figure 3, weight-driven 1b includes the cylindrical shape counterweight 1 of upper and lower ends closing, shank 5 and rotten disconnected trigger release 8.The top board of cylindrical shape counterweight is that, easily by the iron plate 3 of seawater corrosion, the material of iron plate is cast iron in the present embodiment.Iron plate upper surface is provided with annular thinning groove 4.The lower surface of iron plate is provided with the corresponding annular of annular thinning groove easily fault trough 9, and annular easily fault trough is V-shaped.The thickness of iron plate is 2-4mm, and the thickness of iron plate is 4mm in the present embodiment.The groove depth of the thinning groove of annular is 1.5-3.5mm, and the groove depth of annular thinning groove is 3.5mm in the present embodiment.Spacing between the bottom surface of the thinning groove of annular and iron plate lower surface is 0.4-0.6mm, and the spacing in the present embodiment between the bottom surface of annular thinning groove and iron plate lower surface is 0.6mm.The groove depth of annular easily fault trough is 0.2mm.
The upper surface middle part of iron plate is provided with spliced eye 12.The axis of spliced eye overlaps with the axis of cylindrical shape counterweight.Spliced eye is located at the inner side of annular thinning groove.Spliced eye medial surface is provided with sealing ring mounting groove.Gas-flow closure circle 13 is provided with sealing ring mounting groove.Gas-flow closure circle is fixed on the medial surface of sealing ring mounting groove by adhesive.Gas-flow closure circle is provided with charging connector 14.Gas-flow closure circle is provided with exhaust joint 11.The first pretension compression spring 2 is provided with cylindrical shape counterweight.The lower end of the first pretension compression spring is resisted against on the inner bottom surface of cylindrical shape counterweight.The upper end of the first pretension compression spring is resisted against on the inner top surface of cylindrical shape counterweight, and the first pretension compression spring upper end be located at annular thinning groove inner side.The lower surface of iron plate is provided with annular stop projection, the raised inner side positioned at annular thinning groove of annular stop.It is raised interior that the upper end of the first pretension compression spring is located at annular stop.
Shank is plugged in spliced eye.Gas-flow closure snare is located on shank.The upper end of shank is provided with link 7.The lateral surface bottom of shank is provided with collar stop 51.Collar stop is located at the top of cylindrical shape counterweight.The upper end of connecting rope is connected with the lower edge of square mesh sheet.The upper end of shank is connected with the lower end of vertical connecting rope, and specifically, the upper end of shank is connected by lower lifting rope with the lower lift ring of vertical connecting rope.
As shown in Figure 2, Figure 3, Figure 4, the disconnected trigger release 8 of corruption includes the triggering cylinder body 81 being arranged on the upper surface of iron plate, triggering cylinder body upper piston body 86 and lower piston body 88 are slidably arranged on, the connecting rod and the ring baffle 82 directly over triggering cylinder body of upper and lower piston body is connected.Ring baffle is fixed on triggering cylinder body by connector, and connector is located at the outside of annular thinning groove.The axis perpendicular of ring baffle and cylindrical shape counterweight；The axis of ring baffle overlaps with the axis of cylindrical shape counterweight.Shank passes through ring baffle.Ring baffle is provided with the axis guide through hole parallel with the axis of cylindrical shape counterweight.Iron plate is provided with guide post 83.Guide post is parallel with the axis of cylindrical shape counterweight.Guide post is located at the inner side of annular thinning groove, and guide post passes through guide through hole.
Triggering cylinder body is located at the inner side of annular thinning groove.The axis for triggering cylinder body is parallel with the axis of cylindrical shape counterweight.Trigger upper end open, the lower end closed of cylinder body.The medial surface top for triggering cylinder body is provided with upper limit position block 85.The medial surface bottom for triggering cylinder body is provided with lower position block 810, and upper piston body and lower piston body are located between upper limit position block and lower position block.It is located in triggering cylinder body between triggering cylinder body inner bottom surface and lower piston body and is provided with the second pretension compression spring 89.Triggering cylinder body lateral surface is provided with and is connected through hole 87 with the first intercommunicating pore 811 of the intracavity inter-connection of triggering cylinder body and second.The upper surface of upper piston body is provided with the triggering push rod 84 coaxial with triggering cylinder body.The end of push rod is triggered through the upper end open for triggering cylinder body and triggering cylinder body top is located at.Triggering cylinder body is located at the underface of ring baffle.It is connected by connecting tube 10 between first intercommunicating pore and exhaust joint.
When upper piston body is resisted against on upper limit position block：First intercommunicating pore is located at the lower section of lower piston body, and the second connection through hole is located between upper and lower piston body.
Instantly when piston body is resisted against on lower position block：First intercommunicating pore and the second connection through hole are located between upper and lower piston body.
The specifically used process of the floatation type floating gill net device of the present embodiment is as follows：
First, the lower end of shank is inserted in spliced eye from top to bottom, and gas-flow closure snare is located on shank；
Then；By charging connector toward inflation in gas-flow closure circle, gas-flow closure circle is expanded, so as to shank be held tightly, shank is connected with cylindrical shape counterweight.
On the other hand, the characteristics of present invention is the iron plate easily by seawater corrosion using the top board of cylindrical shape counterweight { common steel（Cast iron）Rate of corrosion in the seawater is between annual 0.15 to 0.4 millimeter, its most deep hot spot is up to 0.3 to 0.65 millimeter }, and annular thinning groove and annular easily fault trough are provided with iron plate；When the iron plate of cylindrical shape counterweight is for a long time by seawater corrosion, can substantially be penetrated by seawater corrosion in 1 year by iron plate at the bottom surface of the annular thinning groove for testing the present embodiment；So as to make the iron plate on the inside of annular thinning groove be separated along annular thinning groove fracture and with cylindrical shape counterweight in the presence of the first pretension compression spring, and by the first pretension compression spring jack-up.
Thus, come off when the part float on floating gill net, damage, after floating gill net sinks to seabed, substantially in 1 year, the iron plate on the inside of annular thinning groove will be made to be separated with cylindrical shape counterweight in the presence of the first pretension compression spring, and by the first pretension compression spring jack-up.
After the first pretension compression spring is by iron plate jack-up on the inside of annular thinning groove, make to be moved on triggering cylinder body in the presence of guide post.During being moved on triggering cylinder body, after the upper end for triggering push rod is resisted against on ring baffle, triggering push rod will drive upper piston body and lower piston body to move down, untill lower piston body is resisted against on lower position block：Now, the first intercommunicating pore and the second connection through hole are located between upper and lower piston body so that gas in gas-flow closure circle by exhaust joint, cross connecting tube, the first intercommunicating pore and the second connection through hole and discharge.
After the gas in gas-flow closure circle is discharged, gas-flow closure circle shrinks, so as to discharge shank, shank is separated with cylindrical shape counterweight.After some cylindrical shape counterweights are separated to be separated with shank, floating gill net will again float under the buoyancy of float.The floating gill net for floating to sea can easily be salvaged by refuse fishing vessel, cleared up, and then be very difficult to salvage so as to can effectively solve floating gill net and sink to seabed, cause seabed ghost to fish for, by the problem of heavy damage seabed ecological environment.
In addition, the floatation type floating gill net device of the present embodiment is in every day use process, when floating gill net does not carry out fishing operation, it is necessary to weight-driven is hung into dry（Even if weight-driven is dried）, so as to effectively extend the service life of weight-driven.
Claims (10)
1. a kind of floatation type floating gill net device, including floating gill net, it is characterized in that, the floating gill net includes the upper head rope, the lower head rope, the rectangle mesh sheet between the upper head rope and the lower head rope and some vertical connecting ropes being equally distributed between the upper head rope and the lower head rope, the upper end of the vertical connecting rope is connected with the upper head rope, lower end is connected with the lower head rope, the upper end of the vertical connecting rope is provided with float, the lower end of vertical connecting rope is provided with weight-driven, and the buoyancy sum of each float is more than floating gill net and the gravity sum of weight-driven.
2. floatation type floating gill net device according to claim 1, it is characterized in that, the upper end of the vertical connecting rope is provided with upper lift ring, and lower end is provided with lower lift ring, the float is connected by upper lifting rope with upper lift ring, and the weight-driven is connected by lower lifting rope with lower lift ring.
3. floatation type floating gill net device according to claim 1, it is characterized in that, the rectangle mesh sheet is divided into upper net plate portion, middle mesh sheet portion and lower net plate portion from top to bottom in net direction high, the mesh area in the lower net plate portion is more than the mesh area in middle mesh sheet portion, mesh area of the middle mesh sheet portion mesh area more than upper net plate portion.
4. floatation type floating gill net device according to claim 1, it is characterized in that, the weight-driven includes the cylindrical shape counterweight and shank of upper and lower ends closing, the top board of the cylindrical shape counterweight is easily by the iron plate of seawater corrosion, the upper surface middle part of the iron plate is provided with spliced eye, spliced eye medial surface is provided with sealing ring mounting groove, and gas-flow closure circle is provided with sealing ring mounting groove, and gas-flow closure circle is provided with charging connector；The iron plate upper surface is provided with annular thinning groove, the spliced eye is located at the inner side of annular thinning groove, the first pretension compression spring is provided with the cylindrical shape counterweight, the lower end of the first pretension compression spring is resisted against on the inner bottom surface of cylindrical shape counterweight, upper end is resisted against on the inner top surface of cylindrical shape counterweight, and first pretension compression spring upper end be located at annular thinning groove inner side, the shank is plugged in spliced eye, and gas-flow closure snare is located on shank, the upper end of the shank is connected with the lower end of vertical connecting rope.
5. floatation type floating gill net device according to claim 4, it is characterized in that, the weight-driven also includes rotten disconnected trigger release, the disconnected trigger release of the corruption includes the triggering cylinder body being arranged on the upper surface of iron plate, slidably it is arranged on triggering cylinder body upper piston body and lower piston body, connect the connecting rod and the ring baffle directly over triggering cylinder body of upper and lower piston body
The ring baffle is fixed on triggering cylinder body by connector, and connector is located at the axis perpendicular in the outside of annular thinning groove, ring baffle and cylindrical shape counterweight；
The triggering cylinder body is located at the inner side of annular thinning groove, the axis for triggering cylinder body is parallel with the axis of cylindrical shape counterweight, trigger the upper end open of cylinder body, lower end closed, the medial surface top for triggering cylinder body is provided with upper limit position block, the medial surface bottom for triggering cylinder body is provided with lower position block, and upper piston body and lower piston body are located between upper limit position block and lower position block, it is located in the triggering cylinder body between triggering cylinder body inner bottom surface and lower piston body and is provided with the second pretension compression spring, the triggering cylinder body lateral surface is provided with and is connected through hole with the first intercommunicating pore of the intracavity inter-connection of triggering cylinder body and second, the upper surface of the upper piston body is provided with the triggering push rod coaxial with triggering cylinder body, the end of push rod is triggered through the upper end open for triggering cylinder body and triggering cylinder body top is located at；The gas-flow closure circle is provided with exhaust joint, is connected by connecting tube between first intercommunicating pore and exhaust joint；
When upper piston body is resisted against on upper limit position block：First intercommunicating pore is located at the lower section of lower piston body, and the second connection through hole is located between upper and lower piston body；
Instantly when piston body is resisted against on lower position block：First intercommunicating pore and the second connection through hole are located between upper and lower piston body.
6. floatation type floating gill net device according to claim 4, it is characterized in that, the ring baffle is provided with the axis guide through hole parallel with the axis of cylindrical shape counterweight, and iron plate is provided with guide post, guide post is located at the inner side of annular thinning groove, and guide post passes through guide through hole.
7. floatation type floating gill net device according to claim 4, it is characterized in that, the axis of the ring baffle overlaps with the axis of cylindrical shape counterweight.
8. floatation type floating gill net device according to claim 4, it is characterized in that, the thickness of the iron plate is 2-4mm, and the groove depth of the annular thinning groove is 1.5-3.5mm.
9. floatation type floating gill net device according to claim 4, it is characterized in that, the spacing between the bottom surface of the annular thinning groove and iron plate lower surface is 0.4-0.6mm.
10. floatation type floating gill net device according to claim 1, it is characterized in that, the length of the vertical connecting rope is high less than or equal to the net of rectangle mesh sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987820.9A CN106900666A (en) | 2015-12-23 | 2015-12-23 | A kind of floatation type floating gill net device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987820.9A CN106900666A (en) | 2015-12-23 | 2015-12-23 | A kind of floatation type floating gill net device |
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| Publication Number | Publication Date |
|---|---|
| CN106900666A true CN106900666A (en) | 2017-06-30 |
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| CN201510987820.9A Pending CN106900666A (en) | 2015-12-23 | 2015-12-23 | A kind of floatation type floating gill net device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896352A (en) * | 2018-06-13 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of fixed point monitoring method of ocean fish-egg |
-
2015
- 2015-12-23 CN CN201510987820.9A patent/CN106900666A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108896352A (en) * | 2018-06-13 | 2018-11-27 | 浙江省海洋水产研究所 | A kind of fixed point monitoring method of ocean fish-egg |
| CN108896352B (en) * | 2018-06-13 | 2020-08-14 | 浙江省海洋水产研究所 | Fixed-point monitoring method for marine fish eggs |
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