CN1982542A - Method for getting fishes through dam - Google Patents

Abstract

The present invention relates to a method of assisting fish to pass through a dam. The invention belongs to the technical field of fish protection. The method is as follows: collect fish with a fish collection platform downstream of the dam, then transport the fish through the dam, and put the fish into a fish guide tank leading from the dam end of the reservoir to the tail end of the reservoir. The advantage of the present invention is that while the fish passing over the dam is considered, the upstream transport of the fish is also taken into consideration. The design incorporates a fish guide tank, and the fish is transported to the end of the reservoir by laying a fish guide tank on the shore or in the water. The design of the fish guide tank incorporates the characteristics of the traditional fishway, so that the fish can maintain their physical strength during exercise.

Description

A way to help fish get through dams

(1) Technical field

The present invention relates to a method of assisting fish to pass through a dam. The invention belongs to the technical field of fish protection.

(2) Background technology

Due to the construction of the dam, the complete environment of the river is divided and the exchange of fish populations is blocked. Fish passing facilities are an important means of communicating and blocking river sections and restoring the communication of aquatic organisms. In the prior art, including fishway (PN-WO03010390) (PN-RU2153039), fish gate (PN-AU200077401) (PN-NZ508116), fish lifting machine (PN-US2003133754) (PN-JP10159071) (PN-KR2002085329) And fishing boats and other ancillary facilities such as fish luring (PN-SU1715949), diversion (PN-SU1717713), etc.

Existing methods of helping fish to pass through dams have the following main disadvantages:

Fixed buildings such as fishways have been developed for a long time and are relatively complete, but they still have the following disadvantages:

1. The water level downstream of the dam changes drastically due to reservoir dispatch work such as power generation, flood discharge, and sand washing. Fish, which have seriously affected the number and types of fish; 2. Since the water consumption of power generation is much larger than that of fishways, fish are often attracted by the tail water of power generation, and the location of fishways cannot be adjusted, which lacks flexibility and induces The effect of fish is greatly reduced; 3. Since the design and construction of fishways are mainly civil engineering, it is difficult to reconsider the setting of fishways for existing water conservancy projects without fishways; 4. Usually, the cost of fishways is relatively expensive due to the complicated construction ;5. In order to maintain a certain fish flow in the fishway, resulting in the loss of power generation water; 6. There is no further protection for the fish passing through the dam. Because the water velocity near the dam in the reservoir is very small, the fish passing through the dam cannot be prevented. Fish find the direction upstream, which delays spawning or is brought back down the dam by power generation, flood discharge, sand washing and other discharges, causing fish losses.

Fish gate, fish hoist etc. all belong to fixed fish transportation equipment, so all there is the shortcoming listed above.

Although the fish collection ship fills the deficiencies in the flexibility of fixed buildings, it also has the following disadvantages: 1. Since the riverbed downstream of the dam is mostly rocks, the rocks will jam the anchor. Generally, it is not possible to work in the tail water downstream of the dam, and the tail water is just the place where fish are most likely to gather; 2. In order to increase the fish luring, the water flow collection and transportation fish boat must supply power to the fish luring pump carried by it, so in In the process of luring fish, the engine should be kept working, and the noise of the engine will greatly affect the amount of fish collected, and even cause a series of problems such as panic of the collected fish and a decrease in spawning; 3. Due to the operation of the fish container ship The cycle is relatively long, so it is bulky and expensive; 4, when a ship collects a certain amount of fish, it will go to the upper reaches, and cannot operate continuously; 5, it cannot be used for water conservancy projects without ship locks.

(3) Contents of the invention

【Problem to be solved】

The object of the present invention is to provide a method for helping fish to pass through the dam;

Another object of the present invention is to provide a kind of transshipment fishing boat that is used for the method of the present invention;

Another object of the present invention is to provide a fish collecting platform for the method of the present invention;

Another object of the present invention is to provide a net cage for collecting fish used in the method of the present invention.

【Technical solutions】

In order to achieve the purpose of the present invention, adopted following technical scheme:

The present invention is used for the device that the fish net cage is transported across the dam, and it comprises the following parts:

The equipment 1 for raising and landing the fish net box 9, the equipment 2 for moving the fish net box 9 over the dam, the fish tank 4 and the fish guide tank 5; the fish tank 4 is for releasing fish to the fish guide tank 5 Equipment, the fish tank 4 receives the fish released from the fish collection cage 9 transported from the equipment 2 that moves across the dam at the head end, and the fish is transported to its tail end by the inclined fish tank 4, and its tail The end is connected with the head end 6 of the fish guiding tank 5.

The structure of the guide fish tank is: there is a water pump 8 for pumping water in the guide fish tank 5 at the tail end 7; the front end 47 of the head end 6 has a water pump 46 for pumping water from the guide fish tank 5; wherein, the guide fish tank 5 is The inflatable water tank floating on the water surface or the hard water tank fixed with support 14.

Wherein, guide fish tank 5 is to guide fish to swim to the tank of storehouse tail, separates with net between its head end 6 and the front end 47 of head end 6, and tail end 7 is connected on the river of storehouse tail.

Wherein, the water pump 8 that pumps water in the guide fish tank 5 is arranged at the tail end 7 places. The water pump 8 forms a downstream flow, which is conducive to attracting migratory fish to swim toward the tail end of the reservoir (ie, the upper reaches of the river).

Wherein, the fish guiding water tank 5 is an inflatable water tank floating on the water surface or a hard water tank fixed by a bracket.

Wherein, the tail end 7 of the fish guide tank 5 has a door 3 for controlling the direction of water flow.

Among them, one or more doors 3 for controlling the direction of water flow are set in the middle of the fish guiding tank 5, and the setting of the doors 3 can be from 0 degrees to 180 degrees, so that the water flow into the tank can be between uniform flow or S-shaped flow. Time adjustment is conducive to fish swimming and rest. Leaf door 15 on the door 3 rotates angle under the drive of shaft wheel, and leaf door 15 is installed on the frame 16.

Transfer boats that can be attached to fish cages

The transfer ship that can be attached to the fish-collecting cage has a space 18 that can be put into the fish-collecting cage 9 that communicates with the water body on the hull 17, and the inside of the space 18 has a bracket that can support the fish-collecting cage 9, wherein,

The space 18 has a closing plate 19 at the bottom.

A bracket 27 is arranged on the above-mentioned hull 17 .

The bow side of the space 18 of the above-mentioned hull 17 has a water inlet 20 .

One or several observation windows 21 are arranged in the above-mentioned hull 17 .

One or several cameras 22, preferably wireless cameras, are installed on the observation window 21 of the above-mentioned hull 17.

The above-mentioned hull 17 has a power unit 24 for operating the fish collecting net box 9.

Water-permeable windows 23 are provided on at least one side of the two sides of the hull 17 corresponding to the space 18 .

Space 18 bottom has closing plate 19, and the bow side of space 18 has water inlet hole 20, can keep the fish in the water tank like this and can obtain enough oxygen.

The support 27 of transfer net cage is arranged on the deck 48 of above-mentioned hull 17, sling 26 lower ends hang fish collection net cage 9, and the upper end is wound on the pulley 25, drives pulley 25 by power unit 24, pulls sling 26;

There is an operating space on the ship, and the staff can observe and research the situation of the fish through the observation window 21 or the camera 22 in the operating space in the ship.

On the position of at least one side corresponding space 18 on hull 17 two sides, have water-permeable window 23, can keep the fish in the water tank like this and can obtain enough oxygen.

The advantage of the transshipment ship that can be articulated to collect fish cage 9 is as follows:

Because the density of fish in the fish collection net cage may be very high, in order not to affect the growth of fish, water inlet holes are provided on the bow side of the transshipment ship, and water-permeable windows are provided on the side of the ship. This increases the flow velocity and the oxygen content of the space where the fish in the boat is located, and protects the health of the fish crossing the dam. At the same time, it is easy to pack and unload fish underwater, ensuring that the growth and development of fish will not be affected.

Jiyu platform

The fish-collecting platform 12 in the inventive method can be selected any platform that can be articulated with the fish-collecting cage in the prior art. Preferably, a fish-collecting platform that can be connected to the cage and help fish pass through the dam is selected. The bracket, in which there is a floating box on the platform, and the connection between the fish collection net box and the platform adopts a non-fixed connection, because the fish collection net box needs to be often transferred from the platform to other transportation equipment, such as a fish carrier or a lifting device , transport the collected fish, there are one or several observation windows in the platform, and one or several cameras are installed on the observation windows of the platform.

The fish-collecting platform that can be attached to the net cage and help fish pass through the dam is structured as follows: there is a space 28 connected to the water body on the platform that can be put into the net cage, and the inside of the space 28 has a bracket that can support the fish-collecting net cage 9 , wherein, have buoyant box 29 on the platform. The connection between the fish-collecting cage 9 and the platform adopts a non-fixed connection, because the fish-collecting cage 9 needs to be often transferred from the platform to other transportation equipment, such as a fish boat or a lifting device, to transport the collected fish.

One or several observation windows 30 are arranged in the above-mentioned platform.

One or several cameras 31 are installed on the observation window 30 of the above-mentioned platform.

The above platform is provided with fish luring equipment 32, wherein said fish luring equipment 32 is one or several devices for regulating water flow. The device for regulating the water flow can be a water pump or a pipeline connected to the upstream, and the water pump or the pipeline connected to the upstream form a water flow that induces fish to enter the entrance of the fish collection platform, so that migratory fish can enter the fish collection cage 9 .

A simple house is built on the above-mentioned floating tank 29, wherein the inside of the simple house communicates with the inside of the floating tank. There can also be a power supply unit connected to the shore line on the floating tank 29, which can be used as a temporary laboratory. The shape of pontoon 29 can be boat type, is convenient to move. Floating tank 29 has top cover or side door, and people can enter, can observe the situation of fish by observation window or by camera, carry out scientific research activity.

The above-mentioned platform is provided with a power unit 33 that drives the platform to move.

The above-mentioned platform has the power unit 34 of operating the net box 9 for collecting fish.

The above-mentioned platform has a counting device 35 .

The above-mentioned counting device 35 is selected from: an infrared counter, a sonar counter or a manual counter.

The above-mentioned platform has a net cage for raising fish.

Fish collection cage

The fish collecting cage 9 used on the platform 12 can be any cage in the prior art that can be used for collecting fish. Preferably, the structure of the selected fish net cage is as follows: it is composed of two or more than two boxes, the boxes are socketed, and can be stacked into one box after the lower box is fully retracted upwards, wherein: At least one box body is provided with a splayed door opened inwards; the bottom box body is connected with a device that can be folded up and superimposed on the top box body.

Fish collection cages to help fish pass through dams where:

At least one box body is provided with a door 43 that can be opened inwardly;

The lowermost box body 37 is connected with a device that can be folded up and stacked with the uppermost box body 36 .

The above-mentioned stacked casing is a watertight casing with an open top.

The box body after above-mentioned stacking is the box body that upper open side and bottom surface are nets.

Above-mentioned net box for collecting fish comprises two casings, and upper casing 36 is sleeved outside the lower casing 37, and lower casing 37 can slide up and down inside the upper casing 36 without throwing off, wherein,

The structure of the upper box 36 is as follows: there is no shelter on the upper and lower sides, and the other four sides are closed. The advantage of this is that when the lower box is folded up, it forms a five-sided sealed box. , its four sides are put together with the bottom surface of the lowermost box. In this case, the fish-collecting net box of the present invention is used for hoisting and transporting over the dam, which can avoid water leakage when transporting over the dam; in addition, it can also be used up and down Two sides are empty, and the other four sides are fish nets or barbed wire nets, which are used to move inside the hull to keep the living water flowing inside, so that fish can be kept in contact with the running water during transportation. In this case, the fish collection cage of the present invention It is used in the case of being transported across the dam on a fish carrier.

The structure of the lower box body 37 is as follows: there is no shelter on the top, and a closing plate 40 with a valve is installed below. The area and shape of the closing plate 40 are the same as the bottom of the box body 36, and rubber sealing rings 39 are fixed around the plate; There are 1-3 doors 43 that can be opened inwardly.

One or more casings 38 are socketed between the casing 36 and the casing 37. The number of the casings 38 changes according to the depth of the water. When the water is deep, in order to increase the amount of fish collected, the middle portion of the casing is increased. number. Adopt sliding connection between each box body, its structure of box body 38 is: there is no shelter up and down, and its side has 1-3 doors 43 that can be opened inwardly.

Casing 36 both sides are respectively articulated with floating tank 41, and the position of floating tank 41 is the both sides of casing 36, so that the whole product of the present invention floats on the water surface, the connection mode of floating tank 41 and net cage can be existing Any connection method that is convenient for disassembly and connection in technology.

Fish luring light 42 or other luring fish equipment are installed on the net cage.

An observation window 45 is arranged between the floating tank 41 and the casing 36; a camera 44 is installed on the observation window 45 of the floating tank 41, preferably a wireless camera.

【Beneficial effect】

Specifically, the advantages of the present invention are as follows:

1. Due to the floating nature of the fish-passing platform, it can meet the large-scale fluctuation of the water level downstream of the dam, and it can work as long as the fish-passing platform continues to flow under the dam;

2. Due to the flexibility of the fish passing platform, it can work in any place where fish gather, and it is convenient to adjust the position;

3. Since the fish-passing platform, fish-collecting cages, transfer boats, devices for transporting fish across the dam, and fish-guiding tanks are not civil structures, it is not necessary to reconsider the fish-passing facilities for existing water conservancy projects that have not built fish-passing facilities. Any structural changes to the dam and hub arrangement are easy to implement;

4. And because these devices can be produced in factories, their cost is relatively cheap;

5. Since there is no need for any additional fish luring flow, there will be no loss of power generation water;

6. For the fish passing through the dam, there is a fish guide tank for further protection, so that the fish can quickly find the direction upstream, and swim to the upstream along the tank to save energy without delaying spawning or power generation, flood discharge, and sand washing Wait for the discharge water to be brought back to the bottom of the dam;

7. The fish-collecting platform is usually fixed and then operated continuously, so it can be safely operated at the tail water of the power generation by anchoring, where more fish can be collected with less use of devices to regulate water flow;

8. The power consumption of the fish collecting platform, the lifting and transporting dam crossing device, and the fish guiding tank can all be solved by the power supply of the hydropower station, which not only reduces the cost but also reduces the damage to fish caused by the noise generated by the diesel engine;

9. The combination of a single fish collection platform, multiple fish collection net cages for fish collection in rotation, continuous transfer of multiple transfer ships and a single fish guide tank can continuously transport fish and increase the total amount of fish passing through the dam;

10. For water conservancy projects without ship locks, the fish can be passed through the lifting device;

11. The fish collection platform in the present invention combines fish protection with research and fish collection effect monitoring (evaluation), so that fish collection monitoring can be realized in one step, which can protect rare fish and reduce fish injuries in the process of crossing the dam , and compared with all existing fish-passing facility monitoring parts, the present invention monitors at the fish-collecting position, and its monitoring result is more accurate.

(4) Description of drawings

Fig. 1 is a schematic diagram of the transportation process of the present invention;

Fig. 2 is a structural diagram of the component door 3;

Fig. 3 is the schematic diagram of another form of the transportation process of the present invention;

Fig. 4 is a schematic diagram of another form of the transportation process of the present invention.

Fig. 5 is the three-dimensional perspective view of the fishing boat in the present invention;

Fig. 6 is the perspective view of the bracket in the fish transport boat of the present invention;

Fig. 7 is a perspective view of the CIJ fish platform of the present invention;

Fig. 8 is the front view of the CIMC fish platform of the present invention;

Fig. 9 is the front view of the net cage that can be articulated in the CIJ fish platform of the present invention;

Figure 10 is a perspective view of another form of the CIMC fish platform of the present invention

Fig. 11 is the three-dimensional perspective view of the CIMC fish cage of the present invention;

Fig. 12 is a top view of the net cage for collecting fish in the present invention.

(5) Specific implementation methods

The following specific embodiments are used to illustrate the present invention, but are not used to limit the scope of the present invention.

The present invention will be further described below in conjunction with the accompanying drawings, but it is not used to limit the protection scope of the present invention.

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figure 1, the lifting device 1 can raise or land the fish net box 9 by its built-in electric device or manually, and the equipment 2 will move the fish net box 9 over the dam 13, and then place the fish from the fish net box 9. In the tank 4, the fish tank 4 is a device for releasing fish to the fish guide tank 5, and the fish slides along the chute to the head end 6 of the fish guide tank 5; the fish guide tank 5 is used to guide the fish to swim to the end of the reservoir The water tank, its head end 6 is closed with a net, the tail end 7 is connected to the river 11 upstream of the reservoir tail, and the tail end 7 has a water pump 8 for pumping water in the guide fish tank 5, and the water pump 8 forms a flow to the downstream, which is beneficial to Attract migratory fish to swim towards the tail end of the reservoir (ie the upper reaches of the river). The fish guiding tank 5 is a soft water tank, and optionally, the fish guiding tank 5 is an inflatable tank floating on the water surface, floating on the water body 10 in the reservoir. The tail end 7 of the fish guiding water tank 5 has the door 3 for controlling the direction of the water flow, and several doors 3 for controlling the direction of the water flow are arranged in the middle of the fish guiding water tank 5 . The fish-collecting cage 9 is articulated on the fish-collecting platform 12.

As shown in Figure 2, the setting of the door 3 can be between 0 degree and 180 degrees, and the water flow flowing into the tank can be adjusted between uniform flow or S-shaped flow, which is beneficial for fishes to swim and rest. The leaf door 15 on the door 3 rotates an angle under the drive of the shaft wheel, and the leaf door 15 is installed on the frame 16 .

As shown in Figure 3, the lifting device 1 can raise or land the fish net box 9 by its built-in electric device or manually, and the equipment 2 will move the fish net box 9 over the dam 13, and then place the fish from the fish net box 9. In the tank 4, the fish tank 4 is a device for releasing fish to the fish guide tank 5, and the fish slides along the chute to the head end 6 of the fish guide tank 5; the fish guide tank 5 is used to guide the fish to swim to the end of the reservoir The tank, its head end 6 and the front end 47 of the head end 6 are separated by a net, the front end 47 has a water pump 46 for pumping water out of the water tank, the tail end 7 is connected to the river 11 upstream of the reservoir tail, and the tail end There is a water pump 8 for pumping water in the guide fish tank 5 at 7 places. Under the joint action of the water pump 8 and the water pump 46, the water flow to the downstream is formed in the guide fish tank 5, which is conducive to attracting migratory fish towards the tail end of the reservoir (i.e. the river upstream) swim. The fish-guiding tank 5 is a hard tank fixed by a support 14, the bracket 14 is in the water 10, the foundation is placed in the ground underwater, the tail end 7 of the fish-guiding tank 5 has a door 3 for controlling the flow direction, and the fish-guiding tank 5 The middle of several roads control the door 3 of water flow direction. The fish-collecting cage 9 is articulated on the fish-collecting platform 12.

As shown in Figure 4, the lifting device 1 can raise or land the fish-collecting net box 9 by its built-in electric device or manually, and the equipment 2 will move the fish-collecting net box 9 over the dam 13, and then the net cage will be moved by the lifting device 1 Put in the head end 6 of fish-guiding water tank 5; The fish-guiding water tank 5 is the water tank that guides fish to swim to storehouse tail, and separates with net between its head end 6 and the front end 47 of head end 6, and there is in the front end 47 The water pump 46 that pumps water out of the water tank, the tail end 7 is connected on the river 11 upstream of the reservoir tail, and the water pump 8 that pumps water in the guide fish tank 5 is arranged at the tail end 7, under the joint action of the water pump 8 and the water pump 46, The downstream water flow is formed in the fish guide tank 5, which is beneficial to attracting migratory fish to swim toward the tail end of the reservoir (ie, the upper reaches of the river). The fish-guiding water tank 5 is a fixed hard water tank with support 14, and the fish-guiding water tank is fixed on the bank by the support 14. The tail end 7 of the fish guiding water tank 5 has the door 3 for controlling the direction of the water flow, and several doors 3 for controlling the direction of the water flow are arranged in the middle of the fish guiding water tank 5 . The fish-collecting cage 9 is articulated on the fish-collecting platform 12.

As shown in Figure 5, the present invention can articulate the transshipment ship of fish-collecting net cage, and the space 18 that can be put into fish-collecting net box 9 that communicates with water body is arranged on its hull 17, and the inside of space 18 has the supportable fish-collecting net box 9 The bracket has a closed plate 19 at the bottom of the space 18, and the bow side of the space 18 has a water inlet 20, so that the fish in the water tank can be kept to get enough oxygen. The support 27 of transferring net cage is arranged on the hull 17, and pulley 25 on it is driven by power unit 24, pulls sling 26. Several observation windows 21 are arranged in the hull 17 . Several cameras 22 are installed on the observation window 21 of the hull 17 . There is an operating space on the ship, and the staff can observe and research the situation of the fish through the observation window 21 or the camera 22 in the operating space in the ship. The power unit 24 of operating the fish collecting net box 9 is provided on the hull 17 . On the two sides of the hull, at least one side corresponding to the position of the space 18 has a water-permeable window 23, so that the fish in the water tank can be kept to obtain enough oxygen.

As shown in Figure 6, the deck 48 of the hull 17 has a support 27 for transferring the net cage, and the structure is as follows: the pulley 25 on it is driven by the power unit 24, pulls the sling 26, and transfers the fish net cage 9.

As shown in Figures 7 and 8, the space 28 that can be put into net cage that communicates with water body is arranged on the platform, the inside of space 28 has the bracket that can support the fish collection net box 9, and there is buoyancy box 29 on the platform. The connection between the fish collection device and the floating box adopts a non-fixed connection, so that the fish collection cage 9 is often disassembled and transported away to collect the fish. One or several observation windows 30 are arranged in the platform, and one or several cameras 31 are installed on it. Also have fish lure device 32 on the platform, wherein, fish lure device 32 is several water pumps, and water pump drives current and induces fish to enter the fish collection platform entrance, can make the fish of migratory enter in the fish collection cage 9 like this. There can also be a power supply on the floating tank 29, which can be used as a temporary laboratory. The platform is provided with a power unit 33 that drives the platform to move. Have the power unit 34 of operating fish collecting cage 9 on the platform. There is a counting device 35 on the platform.

As shown in Figure 9, the front view of the fish-collecting cage 9 that can be articulated, the fish-collecting cage 9 can be any cage that can be used for collecting fish in the prior art, preferably, the selected fish-collecting cage structure is: It consists of 3 boxes, which are socketed and can be superimposed into a box after the lower box is fully retracted upwards. Among them: at least one box has an inward-opening figure-eight door; the most The lower box body is connected with a device that can be folded up and superposed with the uppermost box body.

As shown in Figure 10, the pontoon 29 part of the platform is made of catamaran type.

As shown in Figure 11, the net box for collecting fish of the present invention comprises 3 casings, and the upper casing 36 is enclosed within outside the middle casing 38, and the middle casing 38 is enclosed within outside the lower casing 37, and the middle casing 38 can The inside of the upper box body 36 slides up and down without breaking off, and the lower box body 37 can slide up and down inside the middle box body 38 without breaking off. Body 36 superimposed devices, that is, a rope connected to the lowermost casing, when it needs to be packed up, pull up the rope to put it all away.

The structure of the upper box body 36 is: there is no shelter on the upper and lower sides, the other four sides are closed, and its four sides are combined with the bottom surface of the lowermost box body. The situation that can avoid water leakage when transporting over the dam; the structure of the lower box body 37 is: there is no shelter on the top, and a closing plate 40 with a valve is installed below, and the area and shape of the closing plate 40 are the same as the bottom of the box body 36. And the rubber sealing ring 39 is fixed around the plate; its side has a door 43 that can be opened inward.

Casing 36 both sides are respectively articulated with floating tank 41, and the position of floating tank 41 is the both sides of casing 36, so that the whole product of the present invention floats on the water surface, the connection mode of floating tank 41 and net cage can be: hang Jointed, hinged, snapped or tied with ropes. Fish luring light 42 is installed on the net cage; Observation window 45 is arranged between floating tank 41 and casing 36; Camera 44 is installed on the observation window 45 of floating tank 41.

As shown in FIG. 12 , it is a top view of the cage part of the present invention. The casings 1-3 are socketed, and the top view is the same in the closed and open states.

Claims (10)

1. A method for helping fish pass through a dam, characterized in that: the fish is collected downstream of the dam with a fish collection platform, then transferred through the dam, and the fish is delivered to the tail of the reservoir. 2. The method for helping fish to pass through the dam as claimed in claim 1, characterized in that: the method of transshipping the dam comprises: transshipping with a fish carrier and transshipping with conventional transshipment equipment in the art. 3. The method for helping fish to pass through the dam as claimed in claim 1 or 2, characterized in that: the method for transporting the fish to the tail of the reservoir comprises: transshipping with a fish carrier and transporting with a fish guide tank (5). 4. the method for helping fish to pass through the dam as claimed in claim 2 or 3, is characterized in that: the structure of described fish carrier is as follows: there is a net cage (9) that communicates with the water body on the hull (17). ) space (18), the inside of the space (18) has a bracket that can support the fish collection cage (9), wherein the bottom of the space (18) has a closed plate (19). 5. The method for helping fish to pass through the dam as claimed in claim 1 or 2, characterized in that: the method of transshipping the dam comprises: using equipment to transship the fish-collecting net cage over the dam, and the equipment is composed as follows: from the dam The sequence of connection from the downstream to the upstream direction of the dam is: the device (1) for raising and lowering the fish-collecting cage (9) and the device (2) for moving the fish-collecting cage (9) across the dam. 6. the method for helping fish as claimed in claim 1 passes through dam, it is characterized in that: the structure of described fish collection platform is as follows: the space (28) that can be put into net cage that communicates with water body is arranged on the platform, space ( The inside of 28) has the bracket that can support the fish net box (9), wherein the platform has a floating box (29). 7. The method for helping fish to pass through the dam according to any one of claims 4-6, characterized in that: the structure of the fish-collecting cage in the described fish-collecting platform is as follows: the fish-collecting cage consists of two or more The box body is composed of box bodies, and the box bodies are socketed, and can be superimposed into a box body after the lower box body is completely folded up, wherein: at least one box body is provided with a door (43) that can be opened inwardly; The casing (37) is connected with a device that can be folded up and combined with the uppermost casing (36). 8. The method for helping fish to pass through the dam as claimed in claim 6, characterized in that: the fish collecting platform has a fish luring device (32), wherein the fish luring device (32) is one or Several devices to regulate the flow of water. 9. The method for helping fish to pass through the dam as claimed in claim 3, characterized in that: the structure of the fish guiding tank is: there is a water pump (8) for pumping water in the guiding fish tank (5) at the tail end (7) The front end (47) of the head end (6) has a water pump (46) that pumps out water from the fish-guiding tank (5); wherein, the fish-guiding tank (5) is an inflatable tank floating on the water surface or a support (14) Fixed hard sink. 10. The method for helping fish to pass through the dam according to claim 9, characterized in that: one or more doors (3) for controlling the direction of water flow are arranged in the middle of the fish guiding tank (5).

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