CN110367213A - A kind of netting gear and its operating method for middle and small river fishes fishing - Google Patents
A kind of netting gear and its operating method for middle and small river fishes fishing Download PDFInfo
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- CN110367213A CN110367213A CN201910564477.5A CN201910564477A CN110367213A CN 110367213 A CN110367213 A CN 110367213A CN 201910564477 A CN201910564477 A CN 201910564477A CN 110367213 A CN110367213 A CN 110367213A
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- rete cord
- etting
- bull stick
- sinker
- float
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 44
- 238000011017 operating method Methods 0.000 title claims abstract description 12
- 244000309464 bull Species 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 15
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 abstract description 4
- 230000001488 breeding effect Effects 0.000 abstract description 4
- 241000124033 Salix Species 0.000 description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 102000002322 Egg Proteins Human genes 0.000 description 2
- 108010000912 Egg Proteins Proteins 0.000 description 2
- 241001275923 Gymnocypris Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 210000004681 ovum Anatomy 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 241001677838 Cyprinus carpio nudus Species 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 230000009027 insemination Effects 0.000 description 1
- 239000000758 substrate 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
- A01K73/00—Drawn nets
- A01K73/12—Nets held vertically in the water, e.g. seines
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- Biodiversity & Conservation Biology (AREA)
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Abstract
The invention belongs to artificial breeding process Mesichthyes to fish technical field, and in particular to a kind of netting gear and its operating method for middle and small river fishes fishing.The netting gear includes etting, sinker, float, fixed pole, bull stick, upper rete cord and lower rete cord.The operational method of the netting gear has vertical bank slope pulling method, Semi surrounding type pulling method and full enclosed pulling method, and wherein concrete operation method has netting gear assembly, the selection of off line place, goes out the selection of entoilage point and fishing.Netting gear of the present invention is designed according to the difference of river developed width, water flow size, the depth of water and flow velocity and fish habit.It is easy to operate；Required operator is few；Operating speed is fast, and fishing success rate is high；Netting gear linked network fish is few, damages very little to parent population, capture fish have population structure representative；Fishing gear material water absorption rate is small, light-weight, is suitble to repeatedly, long working.
Description
Technical field
The invention belongs to artificial breeding process Mesichthyes to fish technical field, and in particular to one kind is used for middle and small river fish
The netting gear and its operating method of fishing.
Background technique
The net of river fishing have sweep net, drift net, cast net etc. it is a variety of, but according to natural river water environment, the depth of water,
All there are some drawbacks in the difference of the actual conditions such as water flow.It is used in the relatively suitable rivers of sweep net majority design, lake, still
It operates and acquires a certain degree of difficulty in flowing water.Drift net is a kind of extremely easy-operating netting gear, but has one to fishing Individual Size
Fixed selectivity.Suitable small range of casting net is caught, and is suitble in the biggish waters operation of school density.
During Gymnocypris prezewalskii artificial breeding, in order to obtain by high-quality experiment fertilized eggs, need in natural river with
Machine fishes a certain amount of parent and carries out the mature individual of hand picking, and concentration adopts ovum and carries out artificial insemination.So parent population is manually adopted
Catching is the first procedure, and the key link of entire artificial breeding work.Only capture parent population physical strong, that maturity is high
Just the quantity of ovum artificial collection can be made to be guaranteed, laid the foundation so that artificial fecundation releases.In order to ensure every batch of catching amount,
And injures and deaths cannot be caused to parent population itself, fishing individual has randomness, generality, this is equal to catching net and catching method
There is higher requirement.In addition the etting of existing netting gear uses cotton net or nylon wire, but the two has the disadvantage in that cotton
Although gauze operates minimum to fish body, its water absorption rate is high, and using heaviness, operation intensity is big, is not suitable for long working；Nylon
Net durable, water absorption rate is not high, but it easily tangles fin, to cause the injures and deaths of fish body.
There is the river shoal one for being suitble to seine in the range of 19 kilometers of the main migration river salix monogolica river downstream of Gymnocypris prezewalskii
Over one hundred place, the shared river shoal more than 40 for being suitble to seine in section below the highway bridge of the river Quan Ji.For many years, in conjunction with the big of streamflow
Small, the variation in riverbed, the factors such as migration habit of naked carp influence, and join to the material of catching net, length, height and other configurations
Number constantly adjustment has formed and has been suitble to carry out a kind of netting gear that parent population fishes in salix monogolica river, the river Quan Ji.
Summary of the invention
Based on the above issues, it is an object of the invention to according to river developed width, water flow size, the depth of water and flow velocity and
The difference of fish habit, and a kind of netting gear and its operating method for middle and small river fishes fishing is provided.
The technical solution adopted by the present invention is that:
A kind of netting gear for middle and small river fishes fishing, including it is etting 1, sinker 2, float 3, fixed pole 4, bull stick 5, exaggerated
Rope 6 and lower rete cord 7, wherein the etting 1 is rectangle, and the upper rete cord 6 includes etting rete cord 1 and float rete cord 62,
Etting rete cord 1 is used to fix the top edge of etting 1, and float rete cord 62 is for fixing the float 3, the etting rete cord one
61 and float rete cord 62 fixed by cable；Lower rete cord 7 includes etting rete cord 2 71 and sinker rete cord 72, and etting rete cord 2 71 is used
In the lower edge of fixed etting 1, sinker rete cord 72 is for fixing the sinker 2, the etting rete cord 2 71 and sinker rete cord 72
It is fixed on by cable；The fixed pole 4 and bull stick 5 are separately fixed at the left and right ends of etting 1；The etting rete cord 1 floats
Sub- rete cord 62 grows 3 meters compared with etting 1；The etting rete cord 2 71 and sinker rete cord 72 grow 2 meters compared with etting 1, the etting grown
Rete cord 1, float rete cord 62, etting rete cord 2 71 and sinker rete cord 72 connect fixed pole after 1 both ends of etting knot respectively and drag
Guiding principle 8 and bull stick drag guiding principle 9, and the fixed pole drags guiding principle 8 and bull stick drags guiding principle 9 and forms 90~120 degree of angles.
Further, 1 material of etting is polyethylene, and it is highly operation waters that length, which is 1.2~1.5 times of river width,
1.5~2 times of depth；Horizontal hanging ratio 0.8~0.85, vertical hanging ratio 0.75~0.8；Size of mesh 2a=3cm.
Further, the sinker 2 fixes 1 with cable every 30 centimetres on sinker rete cord 72；The float 3 is floating
1 is fixed on sub- rete cord 62 every 50 centimetres, and is fixed with cable at spherical float both ends, position change after stress is prevented；Institute
The buoyancy proportion of sinker 2 and float 3 is stated as heavy power: buoyancy=1~1.2:1, wherein further include in sinker buoyancy etting 1 and
The weight of rete cord in water, since heavy power and buoyancy proportion are reasonable, so etting subsidence position is appropriate, netting gear bottom is close to substantially
Riverbed is advanced, so stone not easy to hang and sundries etc..
Further, 2 material of sinker be lead, the cuboid of 1 centimetre of 1 cm x of length × width × height=2.5 cm x,
Both ends are fluted, facilitate fastening on sinker rete cord 72, and each sinker volume is 2.5 cubic centimetres, and weight is 28 grams；It is described floating
Son 3 is solid buoyancy material, hollow, spherical in shape, each float volume 2.7 × 102Cubic centimetre.
Further, the fixed pole 4 and bull stick 5 are hard weedtree, and 1.2~1.5 meters of length, 6~8 centimetres of diameter；It is fixed
Bar 4 and 5 one end of bull stick are respectively arranged with 0.5~0.8 centimetre deeply of groove away from 5 centimeters of head, for fixing etting rete cord one
61 and float rete cord 62；Fixed pole 4 and 5 other end of bull stick are respectively equipped with 0.5~0.8 centimetre deeply of groove away from 10 centimeters of head,
For fixing etting rete cord 2 71 and sinker rete cord 72.
Further, the upper rete cord 6 and lower rete cord 7 are 0.8~1 centimetre of diameter, the polyethylene that length is 5~10 meters
Material；The cable specification is Dex × 6 × 3.
A kind of operating method of the netting gear for middle and small river fishes fishing, wherein the operating method has vertical bank
Slope pulling method, Semi surrounding type pulling method and full enclosed pulling method.
The vertical bank slope pulling method concrete operation step includes:
SO1 netting gear assembly: by etting 1, sinker 2, float 3, fixed pole 4, bull stick 5, upper rete cord 6 and lower rete cord 7 according to above-mentioned
Concrete mode is assembled；
The selection in the off line place SO2: it is off line by the way of off line downstream, select rivers current relatively slow, the depth of water is small
In 1.2 meters, bank slope is flat, and open section carries out；
SO3 goes out the selection of entoilage point: selection bank slope is gentle, and place is open, the suitable section of the depth of water；
SO4 fishing: 1 people drags guiding principle 8 in fixed pole and controls strut, and 1 people drags bull stick and drags guiding principle 9, keeps 1 holding of etting horizontal, bull stick side,
1 people drags 72,1 people of sinker rete cord and drags float rete cord 62, and 1 half of etting is made to enter water, and half is maintained at bank slope, arranges etting 1 downstream
To bull stick 5；Arrangement finishes, and 1 people's strut, remaining 2~3 people drag bull stick and drag guiding principle 9；5 side of bull stick is drawn in the net downstream on one side along the river,
When bull stick 5 starts to walk about, 4 one side of fixed pole is moved forward with the pulling force of 5 side of bull stick, on one side with the pulling force held self to river
Opposite bank is mobile, gradually intercepts entire river；When 5 row of bull stick to away from net for half of etting out it is long apart from when, fixed pole 4 is fixed on riverbed
Crack of stone in, bull stick 5 in time along lonely shape turn to opposite bank, the ring of encirclement is gradually reduced, achievees the purpose that fishing；When fished species density
When larger, 4 side of fixed pole observes the capture situation in net at any time, when quantity is larger, can also carry out rotating in advance and receive net in time；When
After bull stick 5 also goes to river opposite bank, the personnel for controlling strut, which are responsible for stepping on fixed pole, drags guiding principle 8, remaining personnel drags bull stick and drags guiding principle 9, to dragging
The fish body of online is handled in time, and 4 side of fixed pole also moves forward therewith, and fishing is completed after entire netting gear reaches bank.
The Semi surrounding type pulling method concrete operation step includes:
First netting gear is put well perpendicular to bank tiling, 1 people drags guiding principle 8 in fixed pole and controls strut, and 2 people drag bull stick and drag guiding principle 9, enters
In water, is rotated along lonely shape in fishing range and arrange 1,1 people of etting and drag 62,1 people of float rete cord and drag sinker rete cord 72；When all
After netting gear enters in water, fixed pole 4 is controlled by 1 people, 5 side's rapid transport of bull stick, reduces the ring of encirclement, and fifth wheel Handball Association helps bull stick 5
Fang Jinhang receives net.
This method is used in the case where the less water flow of personnel is relatively slow.
The full enclosed pulling method concrete operation step includes:
In seine place, first netting gear is put in order perpendicular to bank, net sinkers rete cord 72 enters water, remaining etting 1 is downstream
Direction is placed on bank slope, and 72 end personnel assignment of sinker rete cord is uniform, and 2~3 people enter water simultaneously, is drawn in the net to river opposite bank, to reach
The purpose of fishing.
This method is used in the case that river water is small.
Compared to existing river fishes catching net, technical effect of the invention are as follows:
Netting gear of the present invention is set according to the difference of river developed width, water flow size, the depth of water and flow velocity and fish habit
Meter.When specific operation, easy to operate, the landform that can cope with field complexity is carried out the work；Required operator is few, generally requires
5~6 people, people it is few when can also 3 people fulfil assignment；Operating speed is fast, and fishing success rate is high, and the whole operation time is usually no more than 5
Minute, in natural river, even if the shoal of fish quickly escapes, fishing efficiency is obvious；Netting gear is designed according to captured population Individual Size,
Linked network fish is few, damages very little to parent population, capture fish have population structure representative；Fishing gear material water absorption rate is small, light-weight, fits
It closes repeatedly, long working.At the same time, to river bottom when a kind of netting gear for middle and small river fishes fishing of the invention operates
Matter is more demanding, and riverbed is more flat, and streambed substrate partial size is fewer, and fishing efficiency is better；If have sundries or gully in river, need
Cleaning in time.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the netting gear for middle and small river fishes fishing of the present invention；
Fig. 2 is a kind of vertical bank slope pulling method operation signal of netting gear for middle and small river fishes fishing of the present invention
Figure；
Fig. 3 is a kind of Semi surrounding type pulling method operation signal of netting gear for middle and small river fishes fishing of the present invention
Figure；
Fig. 4 is a kind of full enclosed pulling method operation signal of netting gear for middle and small river fishes fishing of the present invention
Figure.
In figure: 1, etting；2, sinker；3, float；4, fixed pole；5, bull stick；6, upper rete cord；7, lower rete cord；61, etting rete cord
One；62, float rete cord；71, etting rete cord two；72, sinker rete cord；8, fixed pole drags guiding principle；9, bull stick drags guiding principle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
Attached drawing 1 is please referred to, the present invention provides a kind of netting gear for middle and small river fishes fishing,
Including etting 1, sinker 2, float 3, fixed pole 4, bull stick 5, upper rete cord 6 and lower rete cord 7, wherein etting 1 is rectangular
Shape, upper rete cord 6 include etting rete cord 1 and float rete cord 62, and etting rete cord 1 is used to fix the top edge of etting 1, float
Rete cord 62 for fixing float 3, fixed by cable by etting rete cord 1 and float rete cord 62；Lower rete cord 7 includes etting rete cord
2 71 and sinker rete cord 72, etting rete cord 2 71 is used to fix the lower edge of etting 1, and sinker rete cord 72 is for fixing sinker 2, net
Clothing rete cord 2 71 and sinker rete cord 72 are fixed on by cable；Fixed pole 4 and bull stick 5 are separately fixed at the left and right ends of etting 1；Net
Clothing rete cord 1, float rete cord 62 grow 3 meters compared with etting 1；Etting rete cord 2 71 and sinker rete cord 72 grow 2 meters compared with etting 1, long
Etting rete cord 1, float rete cord 62, etting rete cord 2 71 and sinker rete cord 72 out connects after 1 both ends of etting knot respectively
Connect that fixed pole drags guiding principle 8 and bull stick drags guiding principle 9, fixed pole drags guiding principle 8 and bull stick drags guiding principle 9 and forms 90~120 degree of angles.
Wherein, 1 material of etting is polyethylene, and length is 1.2~1.5 times of river width, highly 1.5 for operation Larger water depths
~2 times；Horizontal hanging ratio 0.8~0.85, vertical hanging ratio 0.75~0.8；Size of mesh 2a=3cm.
Sinker 2 fixes 1 with cable every 30 centimetres on sinker rete cord 72；Float 3 is on float rete cord 62 every 50
Centimetre 1 is fixed, and fixed with cable at spherical float both ends, prevents position change after stress；The buoyancy of sinker 2 and float 3
Proportion is heavy power: buoyancy=1~1.2:1, wherein further includes etting 1 and the weight of rete cord in water in sinker buoyancy, due to sinking
Rationally, so etting subsidence position is appropriate, riverbed traveling is close in netting gear bottom substantially, so stone not easy to hang for power and buoyancy proportion
Block and sundries etc..
2 material of sinker is lead, and the cuboid of 1 centimetre of 1 cm x of length × width × height=2.5 cm x, both ends are fluted, just
In being fixed on sinker rete cord 72, each sinker volume is 2.5 cubic centimetres, and weight is 28 grams；The float 3 is solid buoyancy
Material, hollow, spherical in shape, each float volume 2.7 × 102Cubic centimetre.
Fixed pole 4 and bull stick 5 are hard weedtree, and 1.2~1.5 meters of length, 6~8 centimetres of diameter；5 one end of fixed pole 4 and bull stick
It is respectively arranged with deep 0.5~0.8 centimetre of groove away from 5 centimeters of head, for fixing etting rete cord 1 and float rete cord 62；
Fixed pole 4 and 5 other end of bull stick are respectively equipped with 0.5~0.8 centimetre deeply of groove away from 10 centimeters of head, for fixing etting rete cord
2 71 and sinker rete cord 72.
Upper rete cord 6 and lower rete cord 7 are 0.8~1 centimetre of diameter, the polythene material that length is 5~10 meters；The cable
Specification is Dex × 6 × 3.
Embodiment 2
Attached drawing 1 and attached drawing 2 are please referred to, the present invention provides a kind of operation sides of netting gear for middle and small river fishes fishing
Method, wherein vertical bank slope pulling method concrete operation step includes:
SO1 netting gear assembly: by etting 1, sinker 2, float 3, fixed pole 4, bull stick 5, upper rete cord 6 and lower rete cord 7 according to above-mentioned
Concrete mode is assembled；
The selection in the off line place SO2: it is off line by the way of off line downstream, select rivers current relatively slow, the depth of water is small
In 1.2 meters, bank slope is flat, and open salix monogolica section carries out；
SO3 goes out the selection of entoilage point: selection bank slope is gentle, and place is open, the suitable section of the depth of water；
SO4 fishing: 1 people drags guiding principle 8 in fixed pole and controls strut, and 1 people drags bull stick and drags guiding principle 9, keeps 1 holding of etting horizontal, bull stick side,
1 people drags 72,1 people of sinker rete cord and drags float rete cord 62, and 1 half of etting is made to enter water, and half is maintained at bank slope, arranges etting 1 downstream
To bull stick 5；Arrangement finishes, and 1 people's strut, remaining 2~3 people drag bull stick and drag guiding principle 9；5 side of bull stick is drawn in the net downstream on one side along the river,
When bull stick 5 starts to walk about, 4 one side of fixed pole is moved forward with the pulling force of 5 side of bull stick, on one side with the pulling force held self to river
Opposite bank is mobile, gradually intercepts entire river；When 5 row of bull stick to away from net for half of etting out it is long apart from when, fixed pole 4 is fixed on riverbed
Crack of stone in, bull stick 5 in time along lonely shape turn to opposite bank, the ring of encirclement is gradually reduced, achievees the purpose that fishing；When fished species density
When larger, 4 side of fixed pole observes the capture situation in net at any time, when quantity is larger, can also carry out rotating in advance and receive net in time；When
After bull stick 5 also goes to river opposite bank, the personnel for controlling strut, which are responsible for stepping on fixed pole, drags guiding principle 8, remaining personnel drags bull stick and drags guiding principle 9, to dragging
The fish body of online is handled in time, and 4 side of fixed pole also moves forward therewith, and fishing is completed after entire netting gear reaches bank.
Embodiment 3
Attached drawing 1 and attached drawing 3 are please referred to, the present invention provides a kind of operation sides of netting gear for middle and small river fishes fishing
Method, wherein Semi surrounding type pulling method concrete operation step include:
Netting gear is put well perpendicular to bank tiling first, selects rivers current relatively slow, for the depth of water less than 1.2 meters, bank slope is flat
Smooth, the open section Quan Ji carries out, and 1 people drags guiding principle 8 in fixed pole and controls strut, and 2 people drag bull stick and drag guiding principle 9, into water, in fishing model
Enclose it is interior rotated along lonely shape and arrange 1,1 people of etting and drag 62,1 people of float rete cord drag sinker rete cord 72；When all netting gears enter water
In after, fixed pole 4 is controlled by 1 people, 5 side's rapid transport of bull stick, reduces the ring of encirclement, fifth wheel Handball Association helps 5 side of bull stick to carry out receipts net.This
Kind method is used in the case where the less water flow of personnel is relatively slow.
Embodiment 4
Attached drawing 1 and attached drawing 4 are please referred to, the present invention provides a kind of operation sides of netting gear for middle and small river fishes fishing
Method, wherein full enclosed pulling method concrete operation step includes:
In seine place, first netting gear is put in order perpendicular to bank, net sinkers rete cord 72 enters water, remaining etting 1 is downstream
Direction is placed on bank slope, and 72 end personnel assignment of sinker rete cord is uniform, and 2~3 people enter water simultaneously, is drawn in the net to river opposite bank, to reach
The purpose of fishing.This method is used in the case that river water is small.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of netting gear for middle and small river fishes fishing, including etting (1), sinker (2), float (3), fixed pole (4), bull stick
(5), upper rete cord (6) and lower rete cord (7), which is characterized in that the etting (1) is rectangle, and the upper rete cord (6) includes etting
Rete cord one (61) and float rete cord (62), etting rete cord one (61) are used to fix the top edge of etting (1), and float rete cord (62) is used
In the fixation float (3), the etting rete cord one (61) and float rete cord (62) are fixed by cable；Lower rete cord (7) includes
Etting rete cord two (71) and sinker rete cord (72), etting rete cord two (71) are used to fix the lower edge of etting (1), sinker rete cord
(72) for fixing the sinker (2), the etting rete cord two (71) and sinker rete cord (72) are fixed by cable；The fixed pole
(4) and bull stick (5) is separately fixed at the left and right ends of etting (1)；The etting rete cord one (61), float rete cord (62) are compared with etting
(1) 3 meters are grown；The etting rete cord two (71) and sinker rete cord (72) grow 2 meters compared with etting (1), the etting rete cord one grown
(61), float rete cord (62), etting rete cord two (71) and sinker rete cord (72) connect fixed after etting (1) both ends knot respectively
Bar drags guiding principle (8) and bull stick drags guiding principle (9), and the fixed pole drags guiding principle (8) and bull stick drags guiding principle (9) and forms 90~120 degree of angles.
2. a kind of netting gear for middle and small river fishes fishing according to claim 1, which is characterized in that the etting
(1) material is polyethylene, and length is 1.2~1.5 times of river width, highly 1.5~2 times for operation Larger water depths；Horizontal sheepshank
Coefficient 0.8~0.85, vertical hanging ratio 0.75~0.8；Size of mesh 2a=3cm.
3. a kind of netting gear for middle and small river fishes fishing according to claim 1, which is characterized in that the sinker
(2) 1 is fixed with cable every 30 centimetres on sinker rete cord (72)；The float (3) is on float rete cord (62) every 50
Centimetre 1 is fixed, and is fixed with cable at spherical float both ends；The buoyancy of the sinker (2) and float (3) proportion is heavy power:
Buoyancy=1~1.2:1, wherein further include etting (1) and the weight of rete cord in water in sinker buoyancy.
4. a kind of netting gear for middle and small river fishes fishing according to claim 1, which is characterized in that the sinker
(2) material is lead, and the cuboid of 1 centimetre of 1 cm x of length × width × height=2.5 cm x, both ends are fluted, facilitate fastening to sink
On sub- rete cord (72), each sinker volume is 2.5 cubic centimetres, and weight is 28 grams；The float (3) is solid buoyancy material,
It is hollow, spherical in shape, each float volume 2.7 × 102Cubic centimetre.
5. a kind of netting gear for middle and small river fishes fishing according to claim 1, which is characterized in that the fixed pole
(4) and bull stick (5) is hard weedtree, and 1.2~1.5 meters of length, 6~8 centimetres of diameter；Fixed pole (4) and bull stick (5) one end are away from bar
First 5 centimeters are respectively arranged with deep 0.5~0.8 centimetre of groove, for fixing etting rete cord one (61) and float rete cord (62)；
Fixed pole (4) and bull stick (5) other end are respectively equipped with 0.5~0.8 centimetre deeply of groove away from 10 centimeters of head, for fixing etting
Rete cord two (71) and sinker rete cord (72).
6. a kind of netting gear for middle and small river fishes fishing according to claim 1, which is characterized in that the upper rete cord
(6) and lower rete cord (7) is 0.8~1 centimetre of diameter, the polythene material that length is 5~10 meters；The cable specification is
Dex×6×3。
7. any one of -6 operating method for the netting gear of middle and small river fishes fishing according to claim 1, which is characterized in that institute
The operating method stated has vertical bank slope pulling method, Semi surrounding type pulling method and full enclosed pulling method.
8. according to a kind of operating method of the netting gear for middle and small river fishes fishing of claim 7, which is characterized in that described to hang down
Directly bank slope pulling method concrete operation step includes:
SO1 netting gear assembly: by etting (1), sinker (2), float (3), fixed pole (4), bull stick (5), upper rete cord (6) and lower rete cord
(7) it is assembled according to above-mentioned concrete mode；
The selection in the off line place SO2: it is off line by the way of off line downstream, select rivers current relatively slow, the depth of water is less than 1.2
Rice, bank slope is flat, and open section carries out；
SO3 goes out the selection of entoilage point: selection bank slope is gentle, and place is open, the suitable section of the depth of water；
SO4 fishing: 1 people drags guiding principle (8) control strut in fixed pole, and 1 people drags bull stick and drags guiding principle (9), so that etting (1) is kept horizontal, bull stick
Side, 1 people drag sinker rete cord (72), and 1 people drags float rete cord (62), so that etting (1) half is entered water, half is maintained at bank slope, downstream
It arranges at etting (1) to bull stick (5)；Arrangement finishes, and 1 people's strut, remaining 2~3 people drag bull stick and drag guiding principle (9)；Bull stick (5) side is along the river
It is drawn in the net downstream on one side, when bull stick (5) starts to walk about, fixed pole (4) is moved forward with the pulling force of bull stick (5) side on one side,
It is mobile to the opposite bank in river with the pulling force held self on one side, gradually intercept entire river；When bull stick (5) row is to away from half of net of etting out
It is long apart from when, fixed pole (4) is fixed in the crack of stone in riverbed, and bull stick (5) turns to opposite bank along lonely shape in time, and encirclement is gradually reduced
Circle, achievees the purpose that fishing；When fished species density is larger, the capture situation in net is observed at any time by fixed pole (4) side, works as quantity
When larger, it can also carry out rotating in advance and receive net in time；After bull stick (5) also goes to river opposite bank, the personnel for controlling strut are responsible for
Fixed pole is stepped on to drag guiding principle (8), remaining personnel drags bull stick and drags guiding principle (9), the fish body for dragging online is handled in time, fixed pole (4) side also with
Forward, when entire netting gear reach bank after fishing complete.
9. according to a kind of operating method of the netting gear for middle and small river fishes fishing of claim 7, which is characterized in that described
Semi surrounding type pulling method concrete operation step includes: first to put netting gear perpendicular to bank tiling well, and 1 people drags guiding principle (8) in fixed pole
Strut is controlled, 2 people drag bull stick and drag guiding principle (8), into water, rotate in fishing range along lonely shape and arrange etting (1), 1 people drags
Float rete cord (62), 1 people drag sinker rete cord (72)；After all netting gears enter in water, fixed pole (4) is controlled by 1 people, bull stick
(5) square rapid transport, reduces the ring of encirclement, and fifth wheel Handball Association helps bull stick (5) just to carry out receipts net.
10. according to a kind of operating method of the netting gear for middle and small river fishes fishing of claim 7, which is characterized in that described
Full enclosed pulling method concrete operation step includes: first to put netting gear perpendicular to bank in order, net sinkers in seine place
Rete cord (72) enters water, remaining etting (1) is placed on bank slope in direction downstream, and sinker rete cord (72) holds personnel assignment uniform, and 2~3
People enters water simultaneously, draws in the net to river opposite bank, to achieve the purpose that fishing.
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Application publication date: 20191025 |