CN114304088A - Mountain stream catching method - Google Patents
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- CN114304088A CN114304088A CN202111441914.8A CN202111441914A CN114304088A CN 114304088 A CN114304088 A CN 114304088A CN 202111441914 A CN202111441914 A CN 202111441914A CN 114304088 A CN114304088 A CN 114304088A
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Abstract
The invention discloses a stream catching method, belonging to the technical field of aquatic product catching and fishery resource scientific investigation and comprising the following steps: site selection: selecting a river section with a narrower stream of the mountain stream river channel, a smooth river bed and enriched fish; building a dam: adopting gravels to build a dam on the surface of the river bottom gravel layer; building a dike: embankment on two sides of the river along the flow direction of water flow; filling soil: filling soil in the river bed to form a shallow region along the flow direction of water flow by taking the rear end of the dam body as a starting point; digging a canal: digging a ditch towards one side of the dam body by taking one side of the grounding area, which is far away from the dam body, as a starting point; lapping: laying an interception net on the surface of the grounding area; pulling a net: fixing the tail end of the interception net by using an anchoring structure through net pulling; collecting the net: and harvesting after a period of time by taking up the net. According to the invention, the shallow area is arranged, so that the fish shoals are artificially formed in the shallow area, the fish shoals are captured more efficiently, the interception net is not easily broken by the fish shoals and broken stones, the fish shoals are prevented from escaping, and the yield of single fishing is increased.
Description
Technical Field
The invention relates to the technical field of aquatic product fishing, in particular to a method for scientifically surveying mountain stream fishing and fishery resources.
Background
The mountain stream is mostly in a low-lying position below mountain feet, the mountain stream generally flows into a big river, a big river or a big lake, the flow velocity of water flow is different due to different degrees of steepness of the mountain, some mountain streams are turbulent, and some water flow is gentle. In shallow water with smooth water flow, fish often stop to perch, swim and forage, and are the best position for catching fish. Fishery is a way for people to develop natural resources and is also a means for residents near water to obtain economic income. In a mountain stream in a great mountain, a lot of fishes with high economic value and high nutritive value live, generally medium and small-sized fishes are taken as main materials, and a variety of wild fish species are available, wherein minnow, catfish and loach are taken as a lot. However, due to the special topography of the mountain stream, the manual catching difficulty is extremely high. Causing data collection difficulty in scientific investigation of mountain stream fishery resources.
The ordinary waters of mountain stream is narrower, and the fish species size is less relatively, and artifical seizure consumes great, must not pay attention to, generally adopts static seizure, sets up static fishing net in the waters promptly, regularly retrieves, however the means of fishing in the mountain stream under the prior art and obtaining fishery resource data is not ripe, and the mode of string bag seizure is directly adopted in many rivers, and in the face of torrent rivers in the mountain stream, together with the rubble of carrying on the back of the brook, can cause great pressure to the string bag, tears the string bag easily, causes the condition emergence that the shoal escaped from.
Disclosure of Invention
The invention aims to provide a method for catching mountain stream, which aims to solve the technical problem that turbulent stream water easily breaks through a string bag to cause fish fleeing in the prior art.
The invention provides a mountain stream catching method, which comprises the following steps:
sp1, addressing: selecting a narrower river section of the mountain stream river, wherein the river section has stable water flow, flat riverbed and fish school enrichment;
sp2, damming: adopting gravels to build a dam on the surface of the river bottom gravel layer to form a dam body, wherein the dam building direction is along the flow direction of water flow in the brook, the front end of the dam body is attached to one side of the river channel, and the rear end of the dam body smoothly extends into the river channel along the flow direction of the water flow, so that the water area of the river channel is gradually narrowed along the direction of the dam body and reaches the narrowest at the rear end of the dam body;
sp3, embankment: building embankments on two sides of the river along the flow direction of water flow to form embankments, wherein the height of each embankment is increased along the flow direction of the water flow;
sp4, fill: taking the rear end of the dam body as a starting point, filling soil in the river bed along the flow direction of water to form a shallow region, and gradually increasing the height of the filled soil along the flow direction of the water until the height of the filled soil is flush with the water level;
sp5, dredging channels: digging a water channel towards one side of the dam body by taking one side of the shallow region far away from the dam body as a starting point, wherein the water channel does not completely penetrate through the shallow region;
sp6. lapping: laying an interception net on the surface of the grounding area, wherein the initial edge of the interception net is attached to the initial edge of the grounding area and laid towards the flow direction of the water flow, the distance between the interception net and the upper top surface of the grounding area is gradually increased along the flow direction of the water flow, and the distance reaches the maximum at the tail end of the interception net;
sp7, net-pulling: fixing the initial edge of the interception net with the embankments on two sides of the river channel by using a cable, immersing a fixed inserting plate of an anchoring structure at the tail end of the interception net into a sediment layer of the river bed, dragging the fixed inserting plate to the limit of the interception net along the flow direction of water flow, fixing the tail end of the interception net by using the anchoring structure, fixing the tail end of the interception net with the embankments on two sides of the river channel by using the cable, and standing;
sp8, net collecting: after the steps are completed, a large number of fish shoals can flow into the intercepting net, after a period of time, the fixing structure of the mooring rope is dismantled, the intercepting net is collected from the two ends of the intercepting net, and the net is collected.
Furthermore, when site selection is carried out, the width of the mountain stream river is not more than 10m, the riverbed at the site selection is flat, the bottom layer is a silt layer, the surface layer is a gravel layer, and the water depth is not more than 600 mm. The river bed is flat, the water area of rivers steady, and the shoal of fish is comparatively enriched, can improve the volume of catching, improves and catches efficiency, and the depth of water is difficult too deep simultaneously, has alleviateed the degree of difficulty of damming and filling up, and simultaneously, large-scale fish species also are difficult to appear in shallower water area, and the interception net is difficult to break through to middle-size and small-size fish species, prevents effectively that the shoal of fish from escaping.
Furthermore, when the dam is built, the dam body is built by sand and stone mixed with river bottom silt and is tamped, the dam body is simple and convenient to obtain materials, the river bottom silt is adopted, the working strength of the dam is reduced, the tamped dam body is not easy to break and damage and is not easy to erode by water flow, and the effective use frequency of single dam building is increased; the width of the dam body is not less than 300mm, the joint of the front end of the dam body and the side face of the river channel is thickened, the joint of the front end of the dam body and the side face of the river channel is subjected to higher water pressure, thickening is carried out, and the dam body is prevented from being broken by water flow; the distance between the rear end of the dam body and the side wall of the river channel on the other side is not more than 2m, the river channel at the narrowest position is not too narrow, the phenomenon that the water flow in unit time is too large, a grounding area cannot sufficiently decelerate the water flow is avoided, the pressure on the interception net is too large, and the interception net is easy to tear.
Further, when the embankment is built, the embankment is made of concrete, the cross section of the embankment is trapezoidal, and fixing holes are formed in the surface of the embankment, so that the intercepting net can be conveniently pulled and fixed. Adopt steel hawser or thick nylon rope to fix the interception net, the hawser of fixed interception net is in the fixed orifices department of embankment, the bolt is nailed in or the drill rod is inserted and is fixed, and simultaneously, the embankment that the concrete was made can provide great holding power, when preventing that the shoal from assembling in the interception net, the interception net is struggled away, the shoal escapes, and simultaneously, be higher than the embankment of the surface of water, can be injectd the end of interception net on the shallow region, and form the contained angle between the plane in shallow region, intercept the shoal at utmost.
Further, when filling soil, the inclination angle of the shallow region is 15-18 degrees, and meanwhile, pebbles are irregularly paved and embedded on the top surface of the shallow region. The irregular top surface of the grounding area can realize grounding of fish shoals to the maximum extent, is convenient for gathering more fish shoals and improves harvest.
Further, in dredging, the length of the outlet channel does not exceed 2/3 the length of the shallow region. Through setting up the ditch for mountain stream is unlikely to form here and cuts, can follow ditch outflow, alleviates the pressure of shallow region, and ditch department is because the cross-section is narrower, therefore rivers are faster, and consequently the rivers in this section waters form fast, slow, fast situation, and the shoal of fish is changeed and is assembled in the slower region of rivers, assembles in interception net department promptly, improves the results.
Further, when lapping is carried out, the mesh of the interception net is 10-15mm, the interception net is concave after lapping is finished, and the tail end of the interception net is higher than the water surface. The 10-15mm mesh intercepting net can effectively intercept small and medium fish schools, release small primary fish fries, reasonably catch the fish fries and ensure fish resource regeneration.
Further, anchoring structure is including inlaying in the inside fixed picture peg of riverbed, the front end of fixed picture peg is facing the low reaches of brook, the rear end integrated into one piece of fixed picture peg has the spacing bent plate, the top surface welded fastening of fixed picture peg has the handle, the handle includes integrated into one piece's stiff end, the portion of bending and traction portion in proper order, the stiff end is fixed with fixed picture peg, traction portion is parallel with the length direction of fixed picture peg, the top surface of the portion of bending is fixed with the link, the intra-annular is fixed with the haulage hawser, the haulage hawser forms the noose in link department, through noose and link detachably fixed, the middle part nestification of haulage hawser is fixed with the ring, the front end welded fastening of traction portion has colludes the piece, the ring cover is located and colludes a surface. Adopt this kind of anchoring structure, can guarantee the fixed of interception net and riverbed position, prevent that the shoal of fish from assembling too much, the condition that interception net pine takes off, anchoring structure inserts the river bed silt back along the rivers direction, if the interception net is when breaking loose downstream because of the shoal of fish is flourished, anchoring structure buries the silt deepening under the pulling force of haulage rope, and the pulling force that can bear is bigger, guarantees that anchoring structure is difficult for breaking away from, and the interception net is difficult for breaking away promptly.
Further, when the net is pulled, the front end of the fixed inserting plate is inserted into a riverbed, the traction cable is dragged along the flow direction of water, the traction part is parallel to the fixed inserting plate, the fixed inserting plate is completely immersed into the riverbed in the moving process until the length of the fixed inserting plate reaches the limit of the intercepting net, the intercepting net is fixed, when a fish school enters the intercepting net, the intercepting net cannot be loosened due to the impact of the fish school, the cable is used for dragging and limiting the height of the tail end of the intercepting net, when the net is collected, the traction cable only needs to be shaken, the ring body is separated from the hook piece, the traction cable is stressed through the hanging ring and is perpendicular to the fixed inserting plate, and the traction cable is lightly pulled, so that the anchoring structure can be taken out from riverbed silt.
Furthermore, the inclination angle between the interception net and the river bed is 20-25 degrees.
Compared with the prior art, the invention has the beneficial effects that:
firstly, in the prior art, the stream is mostly caught in a river by directly adopting a tuck net catching mode, and facing the situation that turbulent water flow in the stream and crushed stones wrapped by the stream cause large pressure on the tuck net, the tuck net is easy to tear, and fish groups escape, the invention designs a novel stream catching method aiming at the problems, a flat river channel for enriching the fish groups is selected, the river channel is narrowed through a dam body, the water flow at the tail end of the dam body is relatively urgent, the fish groups enter the water area, the fish groups are difficult to flow upwards reversely due to the action of the turbulent water flow, and then enter a shallow area formed by artificial filling through a gap between the dam body and the river channel, the water area recovers a normal width and the water potential is relieved, the fish groups cannot flow through the shallow area under the action of the water flow, so that the fish groups are stranded in the shallow area, and the surface of the shallow area is covered with an intercepting net, thereby the fish groups are intercepted, upstream torrent's rivers guarantee that the shoal can't upstream go up, downstream one end, because of the end of laying shallow region and the end of intercepting net all is higher than the surface of water, then the shoal is difficult for escaping to the low reaches yet, consequently collects in intercepting net, waits to receive the net, and this kind of method shoal catches comparatively high-efficiently, simultaneously, because of the waters rivers velocity of flow that intercepting net located has slowed down, then shoal and rubble are difficult for breaking intercepting net yet, prevent that the shoal from escaping, improve the single and catch the harvest yield.
Secondly, in the invention, the water area with a flat riverbed and stable water flow has enriched fish school, which can improve the capture amount and improve the fishing efficiency, meanwhile, the water depth is not too deep, thus reducing the difficulty of damming and filling, meanwhile, the large fish species are not easy to appear in the shallow water area, the middle and small fish species are not easy to break the interception net, and the fish school is effectively prevented from escaping.
Thirdly, in the invention, the stream is prevented from being cut off at the tail end of the shallow area and can flow out from the water outlet channel to reduce the pressure of the shallow area, and the water flow at the water outlet channel is faster due to the narrower cross section, so that the water flow in the water area is fast, slow and fast, fish groups are easier to gather in the area with slower water flow, namely, at the position of the interception net, and the harvest is improved.
Fourthly, the intercepting net with 10-15mm meshes can effectively intercept the small and medium fish schools, release small primary fish fries, reasonably catch the fish fries and ensure fish resource regeneration.
Fifthly, the intercepting net is fixed by the anchoring structure, so that the fixing of the intercepting net and the riverbed position can be guaranteed, the situation that fish shoals are gathered too much and the intercepting net is loosened is prevented, after the anchoring structure is inserted into river bottom silt along the water flow direction, if the intercepting net is broken loose downstream due to the fact that the fish shoals are active, the anchoring structure is buried deeper into the silt under the tensile force of the traction rope, the tensile force capable of bearing is larger, the anchoring structure is guaranteed to be not prone to being broken away, and the intercepting net is not prone to being broken away. When the net is pulled, the front end of the fixed inserting plate is inserted into a riverbed, the traction cable is dragged along the flow direction of water flow, and the fixed inserting plate is completely immersed into the riverbed in the moving process until the length reaches the limit of the intercepting net due to the fact that the traction part is parallel to the fixed inserting plate, so that the intercepting net is fixed; when the net is collected, the traction cable is only needed to be shaken to separate the ring body from the hook part, the traction cable is stressed through the hanging ring and is perpendicular to the fixed inserting plate, and the traction cable is lightly pulled to take out the anchoring structure from the riverbed sludge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of the overall structure of the anchoring structure of the present invention;
FIG. 2 is a partial schematic view of an anchoring structure according to the present invention;
FIG. 3 is a schematic view of the interior design of the river of the present invention;
FIG. 4 is a schematic view of the manner in which the interception net is laid according to the present invention;
FIG. 5 is a sectional view of a river course laying intercepting net according to the present invention;
FIG. 6 is a flow chart of the fishing method of the present invention.
In fig. 3-5, the river flows from left to right.
Reference numerals: 1. pulling the cable; 2. fixing the inserting plate; 3. a limit bent plate; 4. a handle; 41. a fixed end; 42. a bending part; 43. a traction part; 5. hanging a ring; 6. rope sleeves; 7. a hook member; 8. a ring body; 9. a river channel; 10. a riverbed; 11. a dam body; 12. a shallow region; 13. an intercepting net; 14. a bank; 15. an anchoring structure; 16. and (4) a water outlet channel.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, an embodiment of the present invention provides a method for catching mountain stream, including the following steps:
sp1, addressing: selecting a narrower river section of the mountain stream river 9, wherein the river section has stable water flow, a flat riverbed 10 and enriched fish schools;
sp2, damming: adopting gravels to build a dam to form a dam body 11 on the surface of the river bottom gravel layer, wherein the dam building direction is along the flow direction of water flow in a mountain stream, the front end of the dam body 11 is attached to one side of the river channel 9, and the rear end of the dam body gently extends into the river channel 9 along the flow direction of the water flow, so that the water area of the river channel 9 gradually narrows along the direction of the dam body 11 and reaches the narrowest position at the rear end of the dam body 11;
sp3, embankment: the embankment 14 on the two sides of the river channel 9 forms the embankment 14 along the water flow direction, and the height of the embankment is higher along the water flow direction;
sp4, fill: taking the rear end of the dam body 11 as a starting point, filling soil in the river bed 10 along the flow direction of water to form a shallow region 12, and gradually increasing the height of the filled soil along the flow direction of the water until the height of the filled soil is level with the water level;
sp5, dredging channels: digging a water outlet channel 16 towards one side of the dam body 11 by taking one side of the shallow laying area 12 far away from the dam body 11 as a starting point, wherein the water outlet channel 16 does not completely penetrate through the shallow laying area 12;
sp6. lapping: laying an interception net 13 on the surface of the stranded region 12, wherein the initial edge of the interception net 13 is attached to the initial edge of the stranded region 12 and laid towards the flow direction of water, the distance between the interception net 13 and the upper top surface of the stranded region 12 is gradually increased along the flow direction of water, and the distance is maximized at the tail end of the interception net 13;
sp7, net-pulling: fixing the initial edge of the interception net 13 with the embankment 14 at two sides of the river channel 9 by using a cable, immersing the fixed inserting plate 2 of the anchoring structure 15 at the tail end of the interception net 13 into a sediment layer of the river bed 10, dragging the fixed inserting plate to the limit of the interception net 13 along the flow direction of water flow, fixing the tail end of the interception net 13 by using the anchoring structure 15, fixing the tail end of the interception net 13 with the embankment 14 at two sides of the river channel 9 by using a cable, and standing;
sp8, net collecting: after the steps are completed, a large number of fish shoals can flow into the intercepting net 13, after a period of time, the fixing structure of the mooring rope is removed, the intercepting net 13 is retracted from two ends of the intercepting net 13, and the net is retracted.
In the prior art, the method of catching the fish in the brook mostly directly adopts a tuck net catching mode in the river, and in the face of the situation that turbulent water flow in the brook and crushed stone wrapped by the brook cause large pressure on the tuck net and easily tear the tuck net to cause fish school to escape, the invention designs a novel brook catching method aiming at the problems, a flat riverway 9 for enriching the fish school is selected, the riverway 9 is narrowed through a dam body 11, the water flow at the tail end of the dam body 11 is relatively urgent, the fish school enters the water area, the fish school is difficult to flow backwards due to the action of the urgent water flow, so that the fish school enters a shallow area 12 formed by filling soil through a gap between the dam body 11 and the riverway 9, the water area recovers to the normal width, the water potential is relieved, the fish school does not overflow the shallow area 12 under the action of the water flow, the fish school is laid on the shallow area 12 to form a shallow area, and the surface of the shallow area 12 is covered with an intercepting net 13, therefore, the fish school is retained in the intercepting net 13, the upstream turbulent water flow ensures that the fish school cannot flow upwards in the counter direction, one end of the downstream is higher than the water surface because the tail end of the grounding area 12 and the tail end of the intercepting net 13 are higher than the water surface, the fish school is not easy to escape to the downstream, the fish school is collected in the intercepting net 13 to wait for collecting the net, the fish school capturing is more efficient, meanwhile, the water flow velocity of the water area where the intercepting net 13 is located is already reduced, the fish school and the broken stones are not easy to break the intercepting net 13, the fish school is prevented from escaping, and the single fishing yield is improved.
Specifically, when site selection is carried out, the width of the mountain stream river 9 is not more than 10m, the riverbed 10 at the site selection is flat, the bottom layer is a silt layer, the surface layer is a gravel layer, and the water depth is not more than 600 mm. The river bed 10 is flat, the water flow is stable, fish schools are enriched, the capture amount can be increased, the fishing efficiency is improved, meanwhile, the water depth is not too deep, the difficulty in damming and filling soil is reduced, meanwhile, large fish species are not prone to appearing in shallow water areas, small and medium fish species are not prone to breaking the intercepting net 13, and the fish schools are effectively prevented from escaping.
Specifically, when the dam is built, the dam body 11 is built by sand and stone mixed with river bottom silt and is tamped, the material of the dam body 11 is simple and convenient, the river bottom silt is adopted, the working strength of the dam is reduced, the tamped dam body 11 is not easy to break and damage and is not easy to erode by water flow, and the effective use frequency of single dam building is increased; the width of the dam body 11 is not less than 300mm, the joint of the front end of the dam body 11 and the side face of the river channel 9 is thickened, the joint of the front end of the dam body 11 and the side face of the river channel 9 is subjected to high water pressure, thickening is carried out, and the dam body 11 is prevented from being broken by water flow; the distance between the rear end of the dam body 11 and the side wall of the river channel 9 on the other side is not more than 2m, the river channel 9 at the narrowest position is not too narrow easily, the water flow in unit time is prevented from being too large, the shallow area 12 cannot reduce the water flow sufficiently, the pressure on the interception net 13 is too large, and the interception net 13 is easy to tear.
Specifically, when the embankment is built, the embankment 14 is made of concrete, the cross section of the embankment 14 is trapezoidal, and fixing holes are formed in the surface of the embankment 14, so that the interception net 13 can be conveniently pulled and fixed. Adopt steel hawser or thick nylon rope to fix interception net 13, the hawser of fixed interception net 13 is fixed at the fixed orifices of embankment 14, the drive bolt or insert the drill rod and fix, simultaneously, embankment 14 that concrete was made can provide great holding power, when preventing that the shoal from assembling in interception net 13, interception net 13 struggles away, the shoal escapes, simultaneously, embankment 14 that is higher than the surface of water can be injectd the end of interception net 13 on shallow region 12, and the contained angle that forms between the plane with shallow region 12 intercepts the shoal to the at utmost.
Specifically, when filling soil, the inclination angle of the formed shallow area 12 is 15-18 degrees, and meanwhile, the top surface of the shallow area 12 is irregularly paved and embedded with pebbles. The irregular top surface of the grounding area 12 can realize grounding of fish shoals to the maximum extent, is convenient for gathering more fish shoals and improves harvest.
Specifically, in dredging, the length of the outlet channel 16 does not exceed 2/3 the length of the shallow region 12. By arranging the water outlet channel 16, the stream cannot be cut off at the position, and can flow out from the water outlet channel 16 to reduce the pressure of the shallow region 12, and the water outlet channel 16 has a narrow section, so that the water flow is fast, the water flow in the section of water area forms a fast, slow and fast situation, fish shoals are easier to converge in a region with slow water flow, namely the interception net 13, and the harvest is improved.
Specifically, when lapping is carried out, the mesh of the interception net 13 is 10-15mm, the interception net 13 after lapping is sunken, and the tail end of the interception net 13 is higher than the water surface. The 10-15mm mesh intercepting net 13 can effectively intercept small and medium fish schools, release small primary fish fries, reasonably catch the fish fries and ensure fish resource regeneration.
Specifically, anchoring structure 15 is including inlaying in the inside fixed picture peg 2 of riverbed 10, the front end of fixed picture peg 2 faces the low reaches of mountain stream, the rear end integrated into one piece of fixed picture peg 2 has spacing bent plate 3, the top surface welded fastening of fixed picture peg 2 has handle 4, handle 4 includes integrated into one piece's stiff end 41 in proper order, portion 42 and the portion 43 of pulling, stiff end 41 is fixed with fixed picture peg 2, it is parallel with the length direction of fixed picture peg 2 to pull portion 43, the top surface of portion 42 of bending is fixed with link 5, link 5 internal fixation has traction cable 1, traction cable 1 forms the fag end 6 in link 5 department, detachably fixes with link 5 through fag end 6, the middle part nestification of traction cable 1 is fixed with ring body 8, the front end welded fastening of portion 43 has colluding piece 7, colluding piece 7 surface is located to the cover of ring body 8 cover. Adopt this kind of anchoring structure 15, can guarantee the fixed of interception net 13 and riverbed 10 position, prevent that the shoal of fish from assembling too much, the condition that interception net 13 pine takes off, anchoring structure 15 inserts the river bottom silt back along the rivers direction, if interception net 13 when breaking loose downstream because of the shoal of fish is active, anchoring structure 15 buries silt deepening under the pulling force of haulage rope, and the pulling force that can bear is bigger, guarantees that anchoring structure 15 is difficult for breaking away from, and interception net 13 is difficult for breaking loose promptly.
Specifically, when the net is pulled, the front end of the fixed inserting plate 2 is inserted into the riverbed 10, the traction cable 1 is dragged along the water flow direction, the traction part 43 is parallel to the fixed inserting plate 2, the fixed inserting plate 2 is completely immersed into the riverbed 10 in the moving process until the length reaches the limit of the intercepting net 13, the intercepting net 13 is fixed, when a fish school enters the intercepting net 13, the intercepting net 13 cannot be loosened due to the impact of the fish school, the cable is used for dragging and limiting the height of the tail end of the intercepting net 13, when the net is retracted, the traction cable 1 only needs to be shaken, the ring body 8 is separated from the hook 7, the traction cable 1 is stressed through the hanging ring 5 and is perpendicular to the fixed inserting plate 2, the traction cable 1 is lightly pulled, and the anchoring structure 15 can be taken out of the riverbed 10 silt.
Specifically, the inclination angle between the interception net 13 and the river bed 10 is 20-25 degrees.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A mountain stream catching method is characterized in that: the method comprises the following steps:
sp1, addressing: selecting a narrower river section of the mountain stream river channel (9), wherein the river section has stable water flow, a flat riverbed (10) and enriched fish;
sp2, damming: adopting gravels to build a dam to form a dam body (11) on the surface of the river bottom gravel layer, wherein the dam building direction is along the flow direction of water flow in a mountain stream, the front end of the dam body (11) is attached to one side of a river channel (9), and the rear end of the dam body gently extends into the river channel (9) along the flow direction of the water flow, so that the water area of the river channel (9) is gradually narrowed along the direction of the dam body (11), and the rear end of the dam body (11) is narrowest;
sp3, embankment: embankment (14) on two sides of the river channel (9) is built along the flowing direction of water flow to form the embankment (14), and the height of the embankment is higher along the flowing direction of the water flow;
sp4, fill: taking the rear end of the dam body (11) as a starting point, filling soil in the riverbed (10) along the flow direction of water to form a shallow area (12), and gradually increasing the height of the filled soil along the flow direction of the water until the height of the filled soil is level with the water level;
sp5, dredging channels: digging a water channel (16) towards one side of the dam body (11) by taking one side of the shallow region (12) far away from the dam body (11) as a starting point, wherein the water channel (16) does not completely penetrate through the shallow region (12);
sp6. lapping: laying an interception net (13) on the surface of the stranded area (12), wherein the starting edge of the interception net (13) is attached to the starting edge of the stranded area (12) and laid towards the flow direction of water flow, the distance between the interception net (13) and the upper top surface of the stranded area (12) is gradually increased along the flow direction of the water flow, and the distance is maximized at the tail end of the interception net (13);
sp7, net-pulling: fixing a cable with banks (14) at two sides of a river channel (9) at the starting edge of an interception net (13), immersing a fixed inserting plate (2) of an anchoring structure (15) at the tail end of the interception net (13) into a sediment layer of a river bed (10), dragging the fixed inserting plate to the limit of the interception net (13) along the flow direction of water, fixing the tail end of the interception net (13) through the anchoring structure (15), fixing the tail end of the interception net (13) with the banks (14) at two sides of the river channel (9) by using the cable at the tail end of the interception net (13), and standing;
sp8, net collecting: after the steps are completed, a large number of fish shoals can flow into the intercepting net (13), after a period of time, the fixing structure of the mooring rope is dismantled, the intercepting net (13) is collected from the two ends of the intercepting net (13), and the net is collected.
2. The method for catching mountain stream according to claim 1, wherein: when site selection is carried out, the width of the mountain stream river channel (9) is not more than 10m, the riverbed (10) at the site selection is flat, the bottom layer is a silt layer, the surface layer is a gravel layer, and the water depth is not more than 600 mm.
3. The method for catching mountain stream according to claim 1, wherein: when the dam is built, the dam body (11) is built for sand and stone mixed river bottom silt and is tamped, the width of the dam body (11) is not less than 300mm, the thickening treatment is performed at the joint of the front end of the dam body (11) and the side surface of the river channel (9), and the distance between the rear end of the dam body (11) and the side wall of the river channel (9) on the other side is not more than 2 m.
4. The method for catching mountain stream according to claim 1, wherein: when the embankment is built, the embankment (14) is made of concrete, the section of the embankment (14) is trapezoidal, and fixing holes are formed in the surface of the embankment (14) to facilitate traction and fixation of the intercepting net (13).
5. The method for catching mountain stream according to claim 4, wherein: when filling soil, the inclination angle of the shallow region (12) is 15-18 degrees, and meanwhile, the top surface of the shallow region (12) is irregularly paved with embedded pebbles.
6. The method for catching mountain stream according to claim 1, wherein: in dredging, the length of the outlet channel (16) does not exceed 2/3 of the length of the shallow region (12).
7. The method for catching mountain stream according to claim 1, wherein: when the net is laid, the mesh of the interception net (13) is 10-15mm, the interception net (13) is sunken after the net is laid, and the tail end of the interception net (13) is higher than the water surface.
8. The anchoring structure (15) for a stream catching method according to claim 1, wherein: anchoring structure (15) is including inlaying in inside fixed picture peg (2) of riverbed (10), the front end of fixed picture peg (2) is facing the low reaches of brook, the rear end integrated into one piece of fixed picture peg (2) has spacing bent plate (3), the top surface welded fastening of fixed picture peg (2) has handle (4), handle (4) include integrated into one piece's stiff end (41), portion of bending (42) and traction portion (43) in proper order, stiff end (41) are fixed with fixed picture peg (2), traction portion (43) are parallel with the length direction of fixed picture peg (2), the top surface of portion of bending (42) is fixed with link (5), link (5) internal fixation has traction cable rope (1), traction cable rope (1) forms noose (6) in link (5) department, through noose (6) are fixed with link (5) detachably, the middle part of traction cable rope (1) is fixed with ring body (8) in an embedded mode, the front end welded fastening of traction part (43) is provided with hook member (7), and hook member (7) surface is located to ring body (8) cover.
9. The anchoring structure (15) for a stream catching method according to claim 8, wherein: when the net is pulled, the front end of the fixed inserting plate (2) is inserted into the riverbed (10), the traction cable (1) is dragged along the water flow direction, because the traction part (43) is parallel to the fixed inserting plate (2), the fixed inserting plate (2) is completely immersed into the riverbed (10) in the moving process until the length reaches the limit of the interception net (13), the interception net (13) is fixed, when the fish school enters the interception net (13), the interception net (13) can not be loosened due to the impact of the fish school, and the height of the tail end of the interception net (13) is limited by pulling with a cable, when the net is collected, only the traction cable (1) needs to be shaken to separate the ring body (8) from the hook piece (7), the traction cable (1) is stressed through the hanging ring (5), the anchoring structure (15) can be taken out from the sludge of the riverbed (10) by lightly pulling the traction cable (1) vertical to the fixed inserting plate (2).
10. The anchoring structure (15) for a stream catching method according to claim 8, wherein: the inclination angle between the interception net (13) and the riverbed (10) is 20-25 degrees.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200368750Y1 (en) * | 2004-09-03 | 2004-12-03 | 임영도 | Stake net that have fish capture net |
| RU2007112721A (en) * | 2007-04-05 | 2008-10-10 | Институт горного дела Севера им. Н.В. Черского Сибирского отделени Российской Академии наук (RU) | METHOD FOR DEVELOPING A UNDERGROUND SCREW IN THE CONDITIONS OF CRYOLITZONE |
| CN105165746A (en) * | 2015-08-07 | 2015-12-23 | 美佩斯（北京）顾问有限公司 | Inland river integrated fishing gear and fishing method thereof |
| CN105248385A (en) * | 2015-11-18 | 2016-01-20 | 安徽农业大学 | Ecological catching method for small-sized mountain stream fishes |
| CN108086262A (en) * | 2017-11-27 | 2018-05-29 | 中国电建集团成都勘测设计研究院有限公司 | Fish system is crossed in cut-off dam hydraulic engineering |
| CN109430184A (en) * | 2018-11-02 | 2019-03-08 | 国家海洋局北海海洋工程勘察研究院（青岛环海海洋工程勘察研究院） | A kind of unmanned boat intelligence fishery fishes fishing device and its fishing method |
| CN111670867A (en) * | 2020-06-28 | 2020-09-18 | 大连佳永环保科技有限公司 | Lifting type device for collecting migratory fishes at bottom of river |
-
2021
- 2021-11-30 CN CN202111441914.8A patent/CN114304088B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200368750Y1 (en) * | 2004-09-03 | 2004-12-03 | 임영도 | Stake net that have fish capture net |
| RU2007112721A (en) * | 2007-04-05 | 2008-10-10 | Институт горного дела Севера им. Н.В. Черского Сибирского отделени Российской Академии наук (RU) | METHOD FOR DEVELOPING A UNDERGROUND SCREW IN THE CONDITIONS OF CRYOLITZONE |
| CN105165746A (en) * | 2015-08-07 | 2015-12-23 | 美佩斯（北京）顾问有限公司 | Inland river integrated fishing gear and fishing method thereof |
| CN105248385A (en) * | 2015-11-18 | 2016-01-20 | 安徽农业大学 | Ecological catching method for small-sized mountain stream fishes |
| CN108086262A (en) * | 2017-11-27 | 2018-05-29 | 中国电建集团成都勘测设计研究院有限公司 | Fish system is crossed in cut-off dam hydraulic engineering |
| CN109430184A (en) * | 2018-11-02 | 2019-03-08 | 国家海洋局北海海洋工程勘察研究院（青岛环海海洋工程勘察研究院） | A kind of unmanned boat intelligence fishery fishes fishing device and its fishing method |
| CN111670867A (en) * | 2020-06-28 | 2020-09-18 | 大连佳永环保科技有限公司 | Lifting type device for collecting migratory fishes at bottom of river |
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