CN108703116B - Air curtain fish driving device - Google Patents
Air curtain fish driving device Download PDFInfo
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- CN108703116B CN108703116B CN201810359335.0A CN201810359335A CN108703116B CN 108703116 B CN108703116 B CN 108703116B CN 201810359335 A CN201810359335 A CN 201810359335A CN 108703116 B CN108703116 B CN 108703116B
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- 241000251468 Actinopterygii Species 0.000 title claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 84
- 239000010959 steel Substances 0.000 claims abstract description 84
- 210000003437 trachea Anatomy 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
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- 230000001846 repelling effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K75/00—Accessories for fishing nets; Details of fishing nets, e.g. structure
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention provides an air curtain fish driving device, which comprises an air compression pump, an air injection pipe and an air pipe, wherein the air compression pump is connected with the air injection pipe; the movable carrier of the fish driving device body is arranged as a ship body; a fixing plate is fixed on the upper side of the tail of the ship body through a bolt; a telescopic hydraulic cylinder is fixed at the bottom end of the other side of the fixed plate; a fixed sliding block is fixedly arranged at the bottom side of the telescopic hydraulic cylinder; a transverse fixing pipe for the air pipe is fixedly arranged at the position right below the fixed sliding block through a fixing frame; the gas pipe is connected with an air injection pipe through the gas pipe, and the end heads at the two ends of the air injection pipe are fixed with counterweight balls. This fish ware is caught up with to air curtain is equipped with the trachea and transversely fixes the pipe diameter and be 200mm, and length sets up to 8m, and the trachea that comes out from the air compression pump leads in the trachea is deep into the inboard of fixed steel pipe and is linked together with jet-propelled pipe through the trachea transversely fixes intraductal portion, is convenient for divide to lead the trachea spacing fixed, makes the trachea arrange more regular.
Description
Technical Field
The invention relates to the technical field of fishing auxiliary equipment, in particular to an air curtain fish catch device.
Background
The fishing industry is a work for people to gain benefits through fishing, breeding, processing and the like by utilizing the material conversion function of organisms in a water area; along with the development of science and technology, people use appurtenance more and more in the fishing process, wherein catch up with fish ware is exactly an auxiliary device that promotes to catch up with fish, can drive fish to the fishing net inside after using catch up with fish ware, improvement fishing volume that can be great to improve income.
The invention with the prior patent number of 201710365828.0 relates to a fish catch grid of a mixed type fishway which can adapt to the upstream large water level amplitude, is used for the construction of fish passing facilities in hydraulic and hydroelectric engineering, and belongs to the field of hydraulic engineering. The fish fence that catches up with of mixed type fishway is whole over-and-under type and catches up with fish grid, includes: grid, horizontal slide bar, actuating lever, driving motor, grid spoke, both ends support, pulley, vertical hoist engine. The invention provides a fish driving grid for a mixed fishway, which can drive fish into a designated fishway section, is convenient for operation management of the fishway and reduces the difficulty of hub arrangement.
The invention with patent number 201710018508.8 discloses a fish catching system and a fish catching method, which comprises a fish catching grid and a track, a movable trolley and a track, a tensioning device, a driving device and a control box; the fish catching grid is arranged in a fish catching grid track on the movable trolley and can move along the track; the moving trolley and the track are positioned at the top of the fishway, and the moving trolley can carry the fish driving grid to move; the tensioning device is a pulley device with an elastic device and is used for tensioning the steel wire rope to prevent the steel wire rope from falling off the groove; the driving device drives the movable trolley to move by winding the steel wire rope; the control box is connected with the control center through a signal cable and used for controlling the driving device. The fish catching system is simple in structure, economical and practical, convenient and fast to operate, safe and reliable, convenient to overhaul, unlimited in arrangement position and capable of being arranged on water or underwater.
Based on the above, the inventor finds that the fish repelling device mostly adopts a preset device, firstly, a track needs to be laid on a river channel or a reservoir, the fish repelling device has large pre-installation engineering and high input cost, and the track is fixed and cannot move as required; in addition, the existing fish moving and catching device mostly adopts technologies such as sound, current and the like to catch fish, and the method has poor effect in water areas with complicated geology such as reservoirs and the like, so the fish catching device needs to be improved by combining the existing technology.
Therefore, the inventor takes rich experience of design development and actual manufacturing of the related industry for years, researches and improves the existing structure and deficiency, and provides the air curtain fish catch device so as to achieve the aim of higher practical value.
Disclosure of Invention
The invention aims to provide an air curtain fish driving device, which aims to solve the problems that the prior fish driving device in the prior art mostly adopts a preset device, firstly, a track needs to be laid on a river channel or a reservoir, the fish driving device has larger pre-installation engineering and higher input cost, and the track is fixed and can not move as required; in addition, the prior fish moving device mostly adopts the technologies of sound, current and the like to move fish, and the method has poor effect in water areas with complicated geology, such as reservoirs and the like, so the prior art needs to be combined to improve the fish moving device.
The invention relates to an air curtain fish driving device, which is achieved by the following specific technical means:
an air curtain fish catch device comprises a fish catch device body, a ship body, an air compression pump, a fixing plate, a telescopic hydraulic cylinder, a fixing steel pipe, an inclined supporting steel pipe, an anti-dragging steel wire rope, a counterweight ball, an air injection pipe, an air pipe, a reinforcing supporting pipe, a fixing slide block, a fixing chute and an air pipe transverse fixing pipe, wherein the ship body is fixedly connected with the air compression pump; the movable carrier of the fish driving device body is arranged as a ship body; an air compression pump is fixed at the upper end of the ship body through a bolt; a fixing plate is fixed on the upper side of the tail of the ship body through a bolt; a telescopic hydraulic cylinder is fixed at the bottom end of the other side of the fixed plate; a fixed sliding block is fixedly arranged at the bottom side of the telescopic hydraulic cylinder; a transverse fixing pipe for the air pipe is fixedly arranged at the position right below the fixed sliding block through a fixing frame; a fixed steel pipe is fixedly arranged at the lateral rear part of the fixed sliding block through a fixed block; an air pipe deep fixing steel pipe is welded and fixed on the lower side of the air pipe transverse fixing pipe at equal intervals, and the air pipe deep fixing steel pipe is communicated with the inner side of the air pipe transverse fixing pipe; the gas pipe penetrates into the lower side of the fixed steel pipe and is connected with a gas injection pipe through the gas pipe, and counterweight balls are fixed at the end heads of two ends of the gas injection pipe; the hull afterbody downside is fixed and is provided with fixed spout, and fixed slider one side slider slidable mounting in the middle of the inboard spout of fixed spout.
Furthermore, the diameter of the air pipe transverse fixing pipe is 200mm, the length of the air pipe transverse fixing pipe is set to be 8m, and the air pipe from the air compression pump is guided to the inner side of the air pipe deep fixing steel pipe through the inner part of the air pipe transverse fixing pipe and is communicated with the air injection pipe.
Further, the diameter of fixed steel pipe is 300mm, and length sets up to 8m equally, and fixes through the diagonal bracing steel between fixed steel pipe and the horizontal fixed pipe of trachea, and the support overall shape of fixed steel pipe and the horizontal fixed pipe of trachea and diagonal bracing steel pipe is the triangle structure design.
Furthermore, a row of air outlet holes with the diameter of 3-5 mm are formed in the outer wall of the air injection pipe.
Furthermore, the counterweight ball is designed into a spherical structure, the weight of the counterweight ball is about 1kg, the inside of the counterweight ball is of a hollow structure, and the outer wall of the counterweight ball is provided with a through hole.
Furthermore, the air pipe goes deep into the steel pipe with the fixed steel pipe diameter of 40mm, and the two sides of the upper end of the air pipe going deep into the fixed steel pipe are symmetrically welded and fixed with the reinforcing support pipes.
Furthermore, the trachea is fixed with two anti-drag wire ropes on going deep into the bottom outer wall of fixed steel pipe, and two anti-drag wire ropes's the other end symmetry is fixed in on the pipe wall about the jet-propelled pipe respectively, and the length of anti-drag wire rope is shorter than the trachea that the trachea gos deep into fixed steel pipe lower extreme and spills.
Furthermore, the length of the air pipe is 3-5 m longer than the water depth of the operation water area.
Furthermore, the inner side of the fixed sliding groove is provided with a concave sliding groove, and the convex sliding blocks on the fixed sliding blocks correspond to each other.
Compared with the prior structure, the invention has the following beneficial effects:
the trachea that is equipped with transversely fixes the pipe diameter and is 200mm, and length sets up to 8m, and the trachea that comes out from the air compression pump leads in the inboard of the fixed steel pipe of trachea deep and is linked together with jet-propelled pipe through the trachea transversely fixes intraductal portion, is favorable to dividing to lead spacing fixed to the trachea, makes the trachea arrange more regular, prevents to take place the confusion and leads to blocking.
The diameter of the fixed steel pipe that is equipped with is 300mm, length sets up to 8m equally, and fix through the diagonal bracing steel between fixed steel pipe and the horizontal fixed pipe of trachea, and the support overall shape of fixed steel pipe and the horizontal fixed pipe of trachea and diagonal bracing steel pipe is triangle structure design, be favorable to fixing the horizontal fixed pipe of trachea through fixed steel pipe, and fixed steel pipe sets up in the rear, be favorable to giving the certain holding power of the horizontal fixed pipe of trachea when the hull moves forward, make the horizontal fixed pipe of trachea firmer more firm, and service life is higher.
The outer wall of the air pipe is provided with a row of 3-5 mm air outlet holes, so that compressed air is discharged from the air holes to form an air curtain.
The counter weight ball that is equipped with is globular structural design, and weight is about 1kg, and the inside of counter weight ball is hollow structure, and has seted up the through-hole on the outer wall, and the balancing weight of globular design can effectively prevent to be stumbled by submarine debris to seted up the through-hole, can advance the in-process forward and can produce certain bubble, and can also form the sound through the interlude of rivers, so that improve and catch up with the fish effect.
The air pipe that is equipped with gos deep into the steel pipe that fixed steel pipe diameter is 40mm, and the equal welded fastening in upper end both sides that the air pipe gos deep into fixed steel pipe has the reinforcement stay tube, is favorable to improving the fixed strength that the air pipe gos deep into fixed steel pipe.
Be equipped with the trachea and be fixed with two on going deep into the bottom outer wall of fixed steel pipe and prevent dragging wire rope, and two prevent dragging wire rope's the other end respectively the symmetry be fixed in the pipe wall about the jet-propelled pipe, prevent dragging wire rope's length and go deep into the trachea that fixed steel pipe lower extreme spills than the trachea and want shortlyer, be favorable to forming the protection to the trachea through preventing dragging wire rope, prevent to drag the fracture of trachea in-process.
The length of the air pipe is 3-5 m longer than the depth of water in an operation water area, so that the air pipe connected with the lower end of the air pipe is prevented from leaving the water bottom when the ship body moves, and the fish catching effect is influenced.
The fixed spout inboard that is equipped with is opened and is established to the font spout of caveing, and the font slider on fixed slider is corresponding, is favorable to consolidating spacing removal operation to fixed slider.
Drawings
FIG. 1 is a schematic view of a three-dimensional front view structure of the present invention;
FIG. 2 is a schematic view of a three-dimensional front view partially enlarged structure of the present invention;
FIG. 3 is a schematic diagram of a three-dimensional rear view structure of the present invention;
FIG. 4 is a schematic view of a three-dimensional rear view partially enlarged structure of the present invention;
FIG. 5 is a schematic side view of the present invention;
FIG. 6 is a side view of the present invention showing a partially enlarged structure;
FIG. 7 is a rear view of the present invention;
FIG. 8 is a schematic top view of the present invention;
FIG. 9 is a schematic three-dimensional structure of a fixed sliding block and a fixed sliding chute according to the present invention;
fig. 10 is a schematic diagram of the lifting three-dimensional structure of the telescopic hydraulic cylinder of the invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1-fish driving device body, 2-ship body, 3-air compression pump, 4-fixing plate, 5-telescopic hydraulic cylinder, 6-fixing steel pipe, 601-oblique supporting steel pipe, 7-drag-proof steel wire rope, 8-counterweight ball, 9-air injection pipe, 10-air pipe, 11-air pipe deep fixing steel pipe, 1101-reinforcing supporting pipe, 12-fixing slide block, 13-fixing chute and 14-air pipe transverse fixing pipe.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 10:
the invention provides an air curtain fish driving device, which comprises: the fish driving device comprises a fish driving device body 1, a ship body 2, an air compression pump 3, a fixing plate 4, a telescopic hydraulic cylinder 5, a fixing steel pipe 6, an oblique supporting steel pipe 601, an anti-dragging steel wire rope 7, a counterweight ball 8, an air injection pipe 9, an air pipe 10, the air pipe extends into the fixing steel pipe 11, a reinforcing supporting pipe 1101, a fixing slide block 12, a fixing chute 13 and an air pipe transverse fixing pipe 14; the movable carrier of the fish driving device body 1 is set as a ship body 2; an air compression pump 3 is fixed at the upper end of the ship body 2 through a bolt; a fixing plate 4 is fixed on the upper side of the tail part of the ship body 2 through bolts; a telescopic hydraulic cylinder 5 is fixed at the bottom end of the other side of the fixed plate 4; a fixed sliding block 12 is fixedly arranged at the bottom side of the telescopic hydraulic cylinder 5; a transverse trachea fixing tube 14 is fixedly arranged at a position right below the fixed slide block 12 through a fixing frame; a fixed steel pipe 6 is fixedly arranged at the lateral rear part of the fixed sliding block 12 through a fixed block; an air pipe deep fixing steel pipe 11 is welded and fixed on the lower side of the air pipe transverse fixing pipe 14 at equal intervals, and the air pipe deep fixing steel pipe 11 is communicated with the inner side of the air pipe transverse fixing pipe 14; the air pipe penetrates into the lower side of the fixed steel pipe 11 and is connected with an air injection pipe 9 through the air pipe, and the end heads at two ends of the air injection pipe 9 are fixed with counterweight balls 8; the lower side of the tail part of the ship body 2 is fixedly provided with a fixed sliding chute 13, and a sliding block on one side of the fixed sliding block 12 is slidably arranged in the inner sliding chute of the fixed sliding chute 13.
Wherein, the horizontal fixed pipe 14 diameter of trachea is 200mm, and length sets up to 8m, and trachea 10 that comes out from air compressor pump 3 leads in the trachea and goes deep into the inboard of fixed steel pipe 11 and is linked together with jet-propelled pipe 9 through the horizontal fixed intraductal portion of trachea, is convenient for divide to lead spacing fixed to trachea 10, makes trachea 10 arrange more regularly, prevents to take place the disorder and leads to the jam.
The diameter of the fixed steel pipe 6 is 300mm, the length of the fixed steel pipe is also set to be 8m, the fixed steel pipe 6 and the trachea transverse fixing pipe 14 are fixed through the oblique supporting steel 601, the overall supporting shape of the fixed steel pipe 6, the trachea transverse fixing pipe 14 and the oblique supporting steel pipe is in a triangular structure design, the trachea transverse fixing pipe 14 can be conveniently fixed through the fixed steel pipe 6, the fixed steel pipe 6 is arranged at the rear part, certain supporting force is conveniently provided for the trachea transverse fixing pipe 14 when the ship body 2 moves forwards, the trachea transverse fixing pipe 14 is firmer, the service life is longer, and the fixing device is shown in figures 5-6.
Wherein, the outer wall of the air injection pipe 9 is provided with a row of air outlet holes with the diameter of 3-5 mm, so that compressed air can be conveniently discharged from the air holes to form an air curtain, as shown in figure 2.
Wherein, be globular structural design, and weight is about 1kg, and the inside of counterweight ball 8 is hollow structure, and has seted up the through-hole on the outer wall, and the balancing weight of globular design can effectively prevent to be stumbled by submarine debris to seted up the through-hole, can be advancing the in-process forward and can produce certain bubble, and can also form the sound through the interlude of rivers, so that improve and catch up with the fish effect, according to fig. 2 and show.
Wherein, the air pipe goes deep into the steel pipe with the diameter of 40mm of the fixed steel pipe 11, and the two sides of the upper end of the air pipe going deep into the fixed steel pipe 11 are symmetrically welded and fixed with the reinforcing support pipes 1101, which is convenient for improving the fixing strength of the air pipe going deep into the fixed steel pipe 11, as shown in fig. 4-6.
Wherein, be fixed with two on the trachea gos deep into the bottom outer wall of fixed steel pipe 11 and prevent dragging wire rope 7, and on two prevent dragging wire rope 7's the other end symmetry respectively fixed in the pipe wall about jet-propelled pipe 9, prevent dragging wire rope 7's length and go deep into trachea 10 that fixed steel pipe 11 lower extreme spills than the trachea and be short, be convenient for through preventing dragging wire rope 7 and form the protection to trachea 10, prevent to drag the fracture of in-process trachea 10, according to fig. 2.
Wherein, the length of trachea 10 will be than the operating waters depth of water extension 3 ~ 5m, is convenient for prevent that the jet-propelled pipe 9 that the trachea 10 lower extreme is connected leaves the bottom when hull 2 removes, influences the fish effect of catching up with, according to fig. 1 shows.
The inner side of the fixed sliding groove 13 is provided with a concave sliding groove, and the convex sliding blocks on the fixed sliding block 12 correspond to each other, so that the fixed sliding block 12 can be conveniently reinforced and limited to move, as shown in fig. 9.
The specific use mode and function of the embodiment are as follows:
before the invention is implemented, the fishing net is arranged, then the advancing route of the fish driving device body 1 is made, then the diving depth of the air pipe is adjusted to be deep into the fixed steel pipe 11 through the telescopic hydraulic cylinder 5 according to the depth of a water area, the telescopic end of the telescopic hydraulic cylinder 5 is provided with the waterproof sealing rubber cover, the service life is effectively prolonged, the depth is adjusted to ensure that the air injection pipe 9 can sink to the water bottom through the telescopic hydraulic cylinder 5, and compared with the depth of the water bottom, the air pipe 10 is slightly longer by about 3-5 meters, the effect of the fish driving air curtain which is influenced by the separation from the water bottom in the dragging process is prevented, then the air compression pump 3 can be started to compress and output air, the air compression pump 3 is an air compressor driven by a gasoline engine, the air compression pump 3 injects compressed air into the inner side of the air injection pipe 9 through the air pipe 19, and then an upward air curtain is formed through the air holes, and with the vibration sound when the gas is discharged, an air curtain water wall is formed through the action of the whole row of the gas spraying pipes 9, so that fish shoals are driven, and the lengths of the transverse fixing pipe 14 of the gas pipe, the fixing steel pipe 6, the gas pipe penetrating into the fixing steel pipe 11 and the gas spraying pipes 9 can be shortened or lengthened through the sizes of different water areas.
In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An air curtain fish driving device comprises a fish driving device body, a boat body, an air compression pump, an air injection pipe and an air pipe; the movable carrier of the fish catching device body is arranged as a ship body, and is characterized in that:
the air curtain fish catch device also comprises a fixing plate, a telescopic hydraulic cylinder, a fixing steel pipe, an oblique supporting steel pipe, an anti-dragging steel wire rope, a counterweight ball, an air pipe, a reinforcing supporting pipe, a fixing slide block, a fixing chute and an air pipe transverse fixing pipe; an air compression pump is fixed at the upper end of the ship body through a bolt; a fixing plate is fixed on the upper side of the tail of the ship body through a bolt; a telescopic hydraulic cylinder is fixed at the bottom end of the other side of the fixed plate; a fixed sliding block is fixedly arranged at the bottom side of the telescopic hydraulic cylinder; a transverse fixing pipe for the air pipe is fixedly arranged at the position right below the fixed sliding block through a fixing frame; a fixed steel pipe is fixedly arranged at the lateral rear part of the fixed sliding block through a fixed block; an air pipe deep fixing steel pipe is welded and fixed on the lower side of the air pipe transverse fixing pipe at equal intervals, and the air pipe deep fixing steel pipe is communicated with the inner side of the air pipe transverse fixing pipe; the gas pipe penetrates into the lower side of the fixed steel pipe and is connected with a gas injection pipe through the gas pipe, and counterweight balls are fixed at the end heads of two ends of the gas injection pipe; a fixed sliding chute is fixedly arranged at the lower side of the tail part of the ship body, and a sliding block at one side of the fixed sliding block is slidably arranged in the inner sliding chute of the fixed sliding chute;
the bottom outer wall that the trachea gos deep into fixed steel pipe is fixed with two and prevents dragging wire rope, and two prevent dragging wire rope's the other end symmetry respectively be fixed in the pipe wall about the jet-propelled pipe, prevent dragging wire rope's length and be shorter than the trachea that the trachea gos deep into fixed steel pipe lower extreme and spill.
2. The air curtain fish catching device according to claim 1, characterized in that: the diameter of the air pipe transverse fixing pipe is 200mm, the length of the air pipe transverse fixing pipe is set to be 8m, and the air pipe from the air compression pump is guided to the inner side of the air pipe deep fixing steel pipe through the inner part of the air pipe transverse fixing pipe and is communicated with the air injection pipe.
3. The air curtain fish catching device according to claim 1, characterized in that: the diameter of fixed steel pipe is 300mm, and length sets up to 8m equally, and fixes through the diagonal bracing steel between fixed steel pipe and the horizontal fixed pipe of trachea, and the support overall shape of fixed steel pipe and the horizontal fixed pipe of trachea and diagonal bracing steel pipe is the triangle structure design.
4. The air curtain fish catching device according to claim 1, characterized in that: a row of 3-5 mm air outlet holes are formed in the outer wall of the air injection pipe.
5. The air curtain fish catching device according to claim 1, characterized in that: the counterweight ball is designed into a spherical structure, the weight of the counterweight ball is about 1kg, the inside of the counterweight ball is of a hollow structure, and the outer wall of the counterweight ball is provided with a through hole.
6. The air curtain fish catching device according to claim 1, characterized in that: the air pipe goes deep into the steel pipe with the fixed steel pipe diameter of 40mm, and the reinforcing support pipes are symmetrically welded and fixed on two sides of the upper end of the air pipe going deep into the fixed steel pipe.
7. The air curtain fish catching device according to claim 1, characterized in that: the length of the air pipe is 3-5 m longer than the water depth of the operation water area.
8. The air curtain fish catching device according to claim 1, characterized in that: the inner side of the fixed sliding groove is provided with a concave sliding groove, and the convex sliding blocks on the fixed sliding blocks correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359335.0A CN108703116B (en) | 2018-04-20 | 2018-04-20 | Air curtain fish driving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810359335.0A CN108703116B (en) | 2018-04-20 | 2018-04-20 | Air curtain fish driving device |
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| CN108703116A CN108703116A (en) | 2018-10-26 |
| CN108703116B true CN108703116B (en) | 2020-10-16 |
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| CN201810359335.0A Active CN108703116B (en) | 2018-04-20 | 2018-04-20 | Air curtain fish driving device |
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| CN115336542B (en) * | 2022-09-02 | 2023-06-16 | 泰安新牧信息科技有限公司 | Full-automatic cattle group driving device |
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| CN206052633U (en) * | 2016-09-30 | 2017-03-29 | 三峡大学 | Automatic phosgene attracting system based on collection fishing boat |
| CN206706668U (en) * | 2017-05-12 | 2017-12-05 | 三峡大学 | It is a kind of to be used to catching up with fish into the device into fish pass |
| CN206866482U (en) * | 2017-07-10 | 2018-01-12 | 阳江核电有限公司 | A kind of air curtain blocking apparatus |
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