CN118029313A

CN118029313A - Under-dam high-flow-speed electric grid fish blocking device and using method thereof

Info

Publication number: CN118029313A
Application number: CN202410059486.XA
Authority: CN
Inventors: 郑顺祥; 田应辉; 王超; 李怀宝; 胥贤; 罗鹏; 李召杰; 牛明国; 李航
Original assignee: Wuhan Sinoeco Technology Co ltd; Batang Branch Of Huadian Jinsha River Upstream Hydropower Development Co ltd
Current assignee: Wuhan Sinoeco Technology Co ltd; Batang Branch Of Huadian Jinsha River Upstream Hydropower Development Co ltd
Priority date: 2024-01-15
Filing date: 2024-01-15
Publication date: 2024-05-14

Abstract

The invention discloses a dam high-flow-rate electric grid fish blocking device and a use method thereof, which relate to the technical field of electric grid fish blocking and comprise a first vertical cylinder body and a second vertical cylinder body, and further comprise an electric grid mesh, wherein a first rotating shaft and a second rotating shaft are respectively and rotatably arranged at the middle positions of the inner bottoms of the first vertical cylinder body and the second vertical cylinder body, a first connecting shell and a second connecting shell are respectively and fixedly connected to opposite sides of the first vertical cylinder body and the second vertical cylinder body, a plurality of groups of through holes are respectively and equidistantly formed in the positions, close to the upper side edge and the lower side edge, of the outer side face of the electric grid mesh, and the electric grid mesh passes through the first connecting shell and the second connecting shell and is fixedly connected with the first rotating shaft and the second rotating shaft; the fish blocking device can block fish under dams with different widths, does not need to use a plurality of groups of spliced electric grids, has good applicability, can prevent the electric grids from being damaged or blocked due to direct impact of impurities in water with high flow rate on the electric grids, plays a good safety protection role, and prolongs the service life of the electric grids.

Description

Under-dam high-flow-speed electric grid fish blocking device and using method thereof

Technical Field

The invention relates to the technical field of electric grid fish blocking, in particular to an under-dam high-flow-rate electric grid fish blocking device and a using method thereof.

Background

The under-dam fish blocking system in the hydraulic and hydroelectric engineering mainly achieves effective interception and guiding of the migration fish, ensures smooth running of a hydropower station unit and helps the migration fish to find a fishway entrance and smoothly ascend, meanwhile, diversity of wild fish populations is effectively protected, influence of hydroelectric facilities on natural ecological environment is reduced and ecological harmony is achieved. The fish blocking electric grating realizes the effect of driving and blocking fish by forming an electric field through the water inlet electrode, and is an effective, safe and advanced fish blocking and guiding facility.

According to the retrieval, in the patent with the Chinese patent number of CN105794708A, a fish collecting pond fish blocking electric grid structure is disclosed, fish entering a fish collecting pond area can enter a fish collecting box at one side of the fish collecting pond according to a preset moving mode and a track and then pass through fish passing facilities to realize gene communication at the upstream and downstream of a reservoir, so that fish lifting machines, fish collecting and transporting systems and other fish passing facilities are ensured to really exert environmental protection, economic and social benefits, however, when the conventional under-dam electric grid fish blocking device is used, a plurality of groups of electric grids are usually required to be used, and the plurality of groups of electric grids are combined and spliced together, so that the installation process is complex and complicated, the labor capacity of workers is increased, and the under-dam high-flow-speed electric grid fish blocking device and the using method are provided.

Disclosure of Invention

The invention aims to provide an under-dam high-flow-rate electric grid fish blocking device and a use method thereof, so as to solve the problems that when the existing under-dam electric grid fish blocking device is used, a plurality of groups of electric grids are usually needed to be used, the electric grids are combined and spliced together, the installation process is complex and complicated, the labor capacity of staff is increased, and the use is inconvenient.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

The under-dam high-flow-speed electric grid fish blocking device comprises a first vertical cylinder body and a second vertical cylinder body, and further comprises an electric grid net, wherein a first rotating shaft and a second rotating shaft are respectively rotatably arranged at the middle positions of the inner bottoms of the first vertical cylinder body and the second vertical cylinder body, a first connecting shell and a second connecting shell are respectively fixedly connected to opposite sides of the first vertical cylinder body and the second vertical cylinder body, and a plurality of groups of through holes are respectively formed in the positions, close to the upper side edge and the lower side edge, of the outer side face of the electric grid net in an equidistance penetrating mode.

As a further scheme of the invention: the electric grid net passes through the first connecting shell and the second connecting shell respectively and is fixedly connected with the first rotating shaft and the second rotating shaft, a first cover shell and a second cover shell are respectively arranged on the upper sides of the first vertical cylinder body and the second vertical cylinder body, and the first cover shell and the second cover shell are respectively connected with the first rotating shaft and the second rotating shaft in a rotating way.

As a further scheme of the invention: the utility model discloses a connecting device for a solar cell module, including first cover shell, second cover shell, connecting bolt, clamping plate, clamping bolt, through-hole and screw hole threaded connection, two sets of mounting panels of equal fixedly connected with of opposite sides of first cover shell and second cover shell, the lateral surface of mounting panel runs through and is provided with connecting bolt, the both sides face that first connecting shell and second are connected the shell is close to both ends and runs through respectively and offer threaded hole, and connecting bolt passes mounting panel and screw hole threaded connection, the opposite sides that first connecting shell and second are connected the shell is close to both ends and equal fixedly connected with cardboard, four sets of all run through on the cardboard and be provided with the clamping bolt, and clamping bolt and through-hole looks joint.

As a further scheme of the invention: the utility model discloses a motor vehicle electric grid, including first connection shell, second connection shell, electric grid mesh, first connection shell, second connection shell, fourth group the equal fixedly connected with fixed block in both ends of fixed block, one side of electric grid mesh is provided with elastic screen, the equal fixedly connected with in both ends of elastic screen removes the riser, two sets of the medial surface of removing the riser is close to the equal fixedly connected with first slide bar in both ends, four sets of the equal fixedly connected with fender dish of one end of first slide bar, four sets of the equal fixedly connected with second slide bar in one side of fender dish, two sets of the equal fixedly connected with side screen of back and side of removing the riser, two sets of the cross-sectional shape of side screen all is L shape setting.

As a further scheme of the invention: the four groups of the fixing blocks are provided with first sliding holes in a penetrating mode, the four groups of first sliding rods are connected with the four groups of fixing blocks in a sliding mode through the first sliding holes, the four groups of the first sliding rods are provided with first springs in a sleeved mode, and the first springs are located between the fixing blocks and the movable vertical plates.

As a further scheme of the invention: the cross-sectional shape of four groups the connecting plate all is the U-shaped setting, four groups the one end of connecting plate has all run through and has seted up the second slide hole, and four groups second slide bars pass through second slide hole and four groups connecting plate sliding connection respectively, four groups the outside of second slide bar all overlaps and is equipped with the second spring, and the second spring is located the inboard of connecting plate.

As a further scheme of the invention: the utility model discloses a flexible screen, including elastic screen, spacer rod, cover shell, spacer rod, baffle, elastic screen's medial surface intermediate position fixedly connected with fly leaf, the lateral surface intermediate position fixedly connected with cover shell of electric screen, the equal fixedly connected with of both sides face of cover shell two sets of fixed plates, the medial surface of elastic screen just is located two equal fixedly connected with of both sides of fly leaf two sets of gag lever posts, four sets of the equal fixedly connected with baffle of one end of gag lever post.

As a further scheme of the invention: the four groups of the limiting rods are respectively connected with the four groups of the fixing plates in a sliding manner, and the movable plates are connected with the casing in a sliding manner.

The application method of the under-dam high-flow-rate electric grid fish blocking device comprises the following specific application steps of:

Step one: the first rotating shaft and the second rotating shaft are respectively and rotatably arranged on the inner sides of the first vertical cylinder body and the second vertical cylinder body, at the moment, the two sides of the electric grid net are coiled and respectively positioned in the first vertical cylinder body and the second vertical cylinder body, and then the first cover shell and the second cover shell are respectively and fixedly arranged on the upper sides of the first vertical cylinder body and the second vertical cylinder body through the connection bolt and the threaded hole matched with the mounting plate, so that the installation process of the electric grid fish blocking device is completed;

Step two: the electric grid net is stretched by the first vertical cylinder body and the second vertical cylinder body which are far away from each other and matched with the first rotating shaft and the second rotating shaft, then the relative positions of the first vertical cylinder body and the second vertical cylinder body and the electric grid net are fixed by the clamping plate and the clamping bolt matched with the through holes, and the first vertical cylinder body and the second vertical cylinder body are arranged below the dam together, so that the electric grid net can drive fish, and the operation is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. Because the first rotating shaft and the second rotating shaft are respectively and rotatably arranged in the first vertical cylinder body and the second vertical cylinder body, and the two side edges of the electric grid net respectively penetrate through the first connecting shell and the second connecting shell and are fixedly connected with the first rotating shaft and the second rotating shaft, the electric grid net can be stretched along with the first vertical cylinder body and the second vertical cylinder body which are far away from each other, the relative positions of the first vertical cylinder body and the second vertical cylinder body and the electric grid net are fixed through the clamping bolts and the clamping plate matched through holes, fish blocking operation can be carried out under dams with different widths, multiple groups of spliced electric grids are not needed, and the electric grid net has good applicability.

2. Preliminary hindrance is carried out with the removal to removing the riser through first slide bar and fixed block and sliding connection cooperation first spring, and the sliding connection cooperation fender dish of rethread second slide bar and connecting plate and second spring are with further hindrance to removing the riser, and then hinder with the removal to elastic screen cloth through gag lever post and fixed plate and sliding connection and third spring cooperation fly leaf and cover shell to cooperation both sets of side screen cloth can avoid high-flow-rate aquatic debris direct impact to the electric grating on causing electric grating impaired or jam, plays fine safety protection effect, has improved electric grating's life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

Fig. 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a connection structure between a first vertical cylinder and a second vertical cylinder in the present invention.

Fig. 3 is a schematic diagram of a connection structure of an electric grid according to the present invention.

FIG. 4 is a schematic view of the connection structure of the movable riser according to the present invention.

Fig. 5 is a schematic diagram of a connection structure between a movable plate and a casing according to the present invention.

Fig. 6 is a schematic top view of the present invention.

In the figure: 1. a first vertical cylinder; 2. a second vertical cylinder; 3. an electric grid mesh; 4. a first connection housing; 5. a second connection housing; 6. a first cover case; 7. a second cover case; 8. a mounting plate; 9. a connecting bolt; 10. a threaded hole; 11. a first rotation shaft; 12. a second rotation shaft; 13. a clamping plate; 14. a latch; 15. a through hole; 16. a fixed block; 17. a connecting plate; 18. an elastic screen; 19. moving the vertical plate; 20. a first slide bar; 21. a baffle disc; 22. a second slide bar; 23. a first spring; 24. a second spring; 25. a first slide hole; 26. a second slide hole; 27. a side screen; 28. a casing; 29. a movable plate; 30. a fixing plate; 31. a limit rod; 32. a baffle; 33. and a third spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Example 1:

referring to fig. 1-6, the present invention provides a technical solution: the under-dam high-flow-speed electric grid fish blocking device comprises a first vertical cylinder body 1 and a second vertical cylinder body 2, and further comprises an electric grid net 3, wherein a first rotating shaft 11 and a second rotating shaft 12 are respectively rotatably installed at the middle positions of the inner bottoms of the first vertical cylinder body 1 and the second vertical cylinder body 2, a first connecting shell 4 and a second connecting shell 5 are respectively fixedly connected to opposite sides of the first vertical cylinder body 1 and the second vertical cylinder body 2, and a plurality of groups of through holes 15 are respectively formed in the positions, close to the upper side edge and the lower side edge, of the outer side face of the electric grid net 3 in an equidistance penetrating mode.

The electric grid 3 respectively penetrates through the first connecting shell 4 and the second connecting shell 5 to be fixedly connected with the first rotating shaft 11 and the second rotating shaft 12, the upper sides of the first vertical cylinder body 1 and the second vertical cylinder body 2 are respectively provided with a first cover shell 6 and a second cover shell 7, the first cover shell 6 and the second cover shell 7 are respectively and rotatably connected with the first rotating shaft 11 and the second rotating shaft 12, two groups of mounting plates 8 are fixedly connected to the opposite sides of the first cover shell 6 and the second cover shell 7, connecting bolts 9 are arranged on the outer side surfaces of the mounting plates 8 in a penetrating manner, threaded holes 10 are respectively arranged on the two side surfaces of the first connecting shell 4 and the second connecting shell 5 in a penetrating manner near the two ends, the connecting bolts 9 penetrate through the mounting plates 8 to be in threaded connection with the threaded holes 10, clamping plates 13 are fixedly connected to the opposite sides of the first connecting shell 4 and the second connecting shell 5 near the two ends, clamping bolts 14 are arranged on the four groups of clamping plates 13 in a penetrating manner, and the clamping bolts 14 are clamped with the through holes 15;

specifically, because the first rotating shaft 11 and the second rotating shaft 12 are respectively rotatably installed in the first vertical cylinder body 1 and the second vertical cylinder body 2, and two side edges of the electric grid 3 respectively penetrate through the first connecting shell 4 and the second connecting shell 5 and are fixedly connected with the first rotating shaft 11 and the second rotating shaft 12, the electric grid 3 can be expanded along with the first vertical cylinder body 1 and the second vertical cylinder body 2 which are far away from each other, and the relative positions of the first vertical cylinder body 1 and the second vertical cylinder body 2 and the electric grid 3 are fixed through the clamping bolts 14 and the clamping plates 13 matched with the through holes 15, fish blocking operation can be carried out under dams with different widths, multiple groups of spliced electric grids are not needed, and the electric grid has good applicability.

Example 2:

the embodiment is shown with reference to fig. 1 to 6, and the present invention provides a technical solution: the utility model provides a dam high flow rate electric grating blocks fish device, the equal fixedly connected with fixed block 16 in both ends of first coupling shell 4 and second coupling shell 5, one side of four groups of fixed blocks 16 is all fixedly connected with connecting plate 17, one side of electric grating net 3 is provided with elastic screen cloth 18, the equal fixedly connected with in both ends of elastic screen cloth 18 removes riser 19, the medial surface that two groups removed riser 19 is close to both ends is all fixedly connected with first slide bar 20, the equal fixedly connected with fender dish 21 of one end of four groups of first slide bar 20, one side of four groups fender dish 21 is all fixedly connected with second slide bar 22, the equal fixedly connected with side screen cloth 27 of back and side of two groups of removal riser 19, the cross-sectional shape of two groups of side screen cloth 27 is L shape setting.

One side of each of the four groups of fixed blocks 16 is provided with a first sliding hole 25 in a penetrating way, the four groups of first sliding rods 20 are respectively connected with the four groups of fixed blocks 16 in a sliding way through the first sliding holes 25, the outer sides of the four groups of first sliding rods 20 are respectively sleeved with a first spring 23, the first springs 23 are positioned between the fixed blocks 16 and the movable vertical plates 19, the cross sections of the four groups of connecting plates 17 are respectively U-shaped, one ends of the four groups of connecting plates 17 are respectively provided with a second sliding hole 26 in a penetrating way, the four groups of second sliding rods 22 are respectively connected with the four groups of connecting plates 17 in a sliding way through the second sliding holes 26, the outer sides of the four groups of second sliding rods 22 are respectively sleeved with a second spring 24, and the second springs 24 are positioned on the inner sides of the connecting plates 17;

The middle position of the inner side surface of the elastic screen 18 is fixedly connected with a movable plate 29, the middle position of the outer side surface of the electric grid 3 is fixedly connected with a casing 28, two groups of fixed plates 30 are fixedly connected to two sides of the casing 28, two groups of limiting rods 31 are fixedly connected to the inner side surface of the elastic screen 18 and positioned on two sides of the movable plate 29, one ends of the four groups of limiting rods 31 are fixedly connected with a baffle plate 32, third springs 33 are sleeved outside the four groups of limiting rods 31 and positioned between the fixed plates 30 and the elastic screen 18, the four groups of limiting rods 31 are respectively connected with the four groups of fixed plates 30 in a sliding manner, and the movable plate 29 is connected with the casing 28 in a sliding manner;

Specifically, the first slide bar 20, the fixed block 16 and the sliding connection are matched with the first spring 23 to primarily block the movement of the movable vertical plate 19, the sliding connection of the second slide bar 22 and the connecting plate 17 is matched with the baffle disc 21 and the second spring 24 to further block the movement of the movable vertical plate 19, and then the limiting rod 31, the fixed plate 30, the sliding connection and the third spring 33 are matched with the movable plate 29 and the casing 28 to block the movement of the elastic screen 18, and the two groups of side screens 27 are matched, so that the damage or blockage of the electric grid caused by direct impact of sundries in high-flow-rate water on the electric grid can be avoided, a good safety protection effect is achieved, and the service life of the electric grid is prolonged.

The working principle and the using flow of the invention are as follows: firstly, a worker installs a first rotating shaft 11 and a second rotating shaft 12 inside a first vertical cylinder body 1 and a second vertical cylinder body 2 respectively, then a first cover shell 6 and a second cover shell 7 are respectively fastened and arranged on the upper sides of the first vertical cylinder body 1 and the second vertical cylinder body 2 by matching a connecting bolt 9 on a mounting plate 8 with a threaded hole 10, as the first rotating shaft 11 and the second rotating shaft 12 are respectively rotatably installed inside the first vertical cylinder body 1 and the second vertical cylinder body 2, two side edges of an electric grid 3 respectively pass through the first connecting shell 4 and the second connecting shell 5 and are fixedly connected with the first rotating shaft 11 and the second rotating shaft 12, so that the electric grid 3 can be stretched along with the first vertical cylinder body 1 and the second vertical cylinder body 2 which are mutually far away, and the relative positions of the first vertical cylinder body 1 and the second vertical cylinder body 2 and the electric grid 3 are respectively fixed by matching a clamping bolt 14 and a clamping plate 13 with a through hole 15, the fish blocking operation can be performed under dams with different widths, a plurality of groups of spliced electric grids are not needed, the fish blocking operation has good applicability, the first sliding rod 20, the fixed block 16 and the sliding connection are matched with the first spring 23 to primarily block the movement of the movable vertical plate 19, the sliding connection of the second sliding rod 22 and the connecting plate 17 is matched with the baffle disc 21 and the second spring 24 to further block the movement of the movable vertical plate 19, the limiting rod 31, the fixed plate 30, the sliding connection and the third spring 33 are matched with the movable plate 29 and the casing 28 to block the movement of the elastic screen 18, and the two groups of side screens 27 are matched, so that the electric grids are prevented from being damaged or blocked due to the fact that sundries in high-flow water directly impact the electric grids, a good safety protection effect is achieved, the service life of the electric grids is prolonged, and the operation is completed.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The utility model provides a dam high flow rate electricity bars block fish device, includes first perpendicular barrel (1) and second perpendicular barrel (2), its characterized in that: the electric grid device is characterized by further comprising an electric grid (3), wherein a first rotating shaft (11) and a second rotating shaft (12) are respectively rotatably arranged at the middle positions of the inner bottoms of the first vertical cylinder body (1) and the second vertical cylinder body (2), a first connecting shell (4) and a second connecting shell (5) are respectively fixedly connected to the opposite sides of the first vertical cylinder body (1) and the second vertical cylinder body (2), and a plurality of groups of through holes (15) are respectively formed in the positions, close to the upper side edge and the lower side edge, of the outer side face of the electric grid (3) in an equidistance penetrating mode.

2. The under-dam high flow rate electric grid fish blocking device according to claim 1, wherein: the electric grid mesh (3) respectively passes through the first connecting shell (4) and the second connecting shell (5) to be fixedly connected with the first rotating shaft (11) and the second rotating shaft (12), the upper sides of the first vertical cylinder body (1) and the second vertical cylinder body (2) are respectively provided with a first cover shell (6) and a second cover shell (7), and the first cover shell (6) and the second cover shell (7) are respectively connected with the first rotating shaft (11) and the second rotating shaft (12) in a rotating way.

3. The under-dam high-flow-rate electric grid fish blocking device according to claim 2, wherein: the utility model discloses a novel structure of the solar cell module, including first lid shell (6) and second lid shell (7), two sets of mounting panel (8) of equal fixedly connected with of opposite side of first lid shell (6) and second lid shell (7), the lateral surface of mounting panel (8) runs through and is provided with connecting bolt (9), threaded hole (10) have been seted up in both sides face that are close to both ends respectively to first connection shell (4) and second connection shell (5), and connecting bolt (9) pass mounting panel (8) and threaded hole (10) threaded connection, the opposite side of first connection shell (4) and second connection shell (5) is close to both ends all fixedly connected with cardboard (13), and four sets of all run through on cardboard (13) and be provided with clip (14), and clip (14) looks joint with through-hole (15).

4. The under-dam high flow rate electric grid fish blocking device according to claim 1, wherein: the utility model discloses a motor vehicle electric screen, including first connection shell (4), second connection shell (5), fixed block (16) are all fixedly connected with in both ends of first connection shell (4) and second connection shell (5), four groups one side of fixed block (16) is all fixedly connected with connecting plate (17), one side of electric screen (3) is provided with elastic screen (18), the both ends of elastic screen (18) are all fixedly connected with and are removed riser (19), two groups the medial surface of removing riser (19) is close to both ends and all is fixedly connected with first slide bar (20), four groups the one end of first slide bar (20) is all fixedly connected with separation disc (21), four groups one side of separation disc (21) is all fixedly connected with second slide bar (22), two groups the back and opposite side of removing riser (19) are all fixedly connected with side screen (27), two groups the cross-section shape of side screen (27) is L shape setting.

5. The under-dam high-flow-rate electric grid fish blocking device according to claim 4, wherein: one side of each of the four groups of fixed blocks (16) is provided with a first sliding hole (25) in a penetrating mode, each of the four groups of first sliding rods (20) is connected with the corresponding one of the four groups of fixed blocks (16) in a sliding mode through the corresponding one of the first sliding holes (25), each of the four groups of the outer sides of the corresponding one of the first sliding rods (20) is sleeved with a first spring (23), and the first springs (23) are located between the corresponding one of the fixed blocks (16) and the corresponding one of the movable vertical plates (19).

6. The under-dam high-flow-rate electric grid fish blocking device according to claim 4, wherein: the cross-sectional shapes of four groups of connecting plates (17) are all U-shaped, one ends of four groups of connecting plates (17) are all penetrated and are provided with second sliding holes (26), four groups of second sliding rods (22) are respectively connected with four groups of connecting plates (17) in a sliding way through the second sliding holes (26), the outer sides of four groups of second sliding rods (22) are respectively sleeved with second springs (24), and the second springs (24) are positioned on the inner sides of the connecting plates (17).

7. The under-dam high-flow-rate electric grid fish blocking device according to claim 4, wherein: the novel electric screen comprises an elastic screen body (18), a movable plate (29) is fixedly connected to the middle position of the inner side face of the elastic screen body (18), a casing (28) is fixedly connected to the middle position of the outer side face of the electric screen body (3), two groups of fixing plates (30) are fixedly connected to the two side faces of the casing (28), two groups of limiting rods (31) are fixedly connected to the inner side face of the elastic screen body (18) and located on the two sides of the movable plate (29), and one ends of the limiting rods (31) are fixedly connected with baffle plates (32).

8. The under-dam high-flow-rate electric grid fish blocking device according to claim 7, wherein: and the four groups of limiting rods (31) are respectively connected with the four groups of fixing plates (30) in a sliding manner, and the movable plates (29) are connected with the sleeves (28) in a sliding manner.

9. The application method of the under-dam high-flow-rate electric grid fish blocking device is characterized by comprising the following steps of: the specific using steps of the electric grid fish blocking device are as follows:

Step one: the method comprises the steps that a first rotating shaft (11) and a second rotating shaft (12) are respectively and rotatably arranged on the inner sides of a first vertical cylinder body (1) and a second vertical cylinder body (2), at the moment, two sides of an electric grid net (3) are coiled and are respectively positioned in the first vertical cylinder body (1) and the second vertical cylinder body (2), and then a first cover shell (6) and a second cover shell (7) are respectively and fixedly arranged on the upper sides of the first vertical cylinder body (1) and the second vertical cylinder body (2) through a mounting plate (8) in cooperation with a connecting bolt (9) and a threaded hole (10), so that the installation process of the electric grid fish blocking device is completed;

Step two: the electric grid mesh (3) is stretched by matching the first rotating shaft (11) and the second rotating shaft (12) with the first vertical cylinder body (1) and the second vertical cylinder body (2) which are far away from each other, then the relative positions of the first vertical cylinder body (1) and the second vertical cylinder body (2) and the electric grid mesh (3) are fixed by matching the clamping plate (13) and the clamping bolt (14) with the through holes (15), and the first vertical cylinder body (1) and the second vertical cylinder body (2) are arranged below a dam together, so that the electric grid mesh (3) can drive fishes to finish the operation.