CN112921893A

CN112921893A - Concrete building device suitable for straight line abrupt groove flood discharge groove

Info

Publication number: CN112921893A
Application number: CN202110239236.0A
Authority: CN
Inventors: 邵烨
Original assignee: Individual
Current assignee: Shandong Renhe Tianxiang Municipal Engineering Co ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-08
Anticipated expiration: 2041-03-04
Also published as: CN112921893B

Abstract

The invention discloses a concrete building device suitable for a straight-line steep-groove flood overflowing groove, which comprises the flood overflowing groove, wherein the cross section of the flood overflowing groove is in an inverted isosceles trapezoid shape, a sand storage groove is arranged on the bottom surface of the flood overflowing groove, a fixing plate is horizontally arranged above the sand storage groove, two ends of the fixing plate are respectively and fixedly connected with the side walls of the flood overflowing groove, a blocking plate is fixedly connected to the bottom surface of the fixing plate, a plurality of filtering holes are uniformly formed in the blocking plate, the blocking plate is vertically arranged, two ends of the blocking plate are in abutting contact with the side walls of the flood overflowing groove, the blocking plate is in abutting contact with the side walls of the flood storage groove, a collecting box is arranged on the upper surface of the fixing plate, and a suction pump is fixedly connected to the upper surface. The intercepting plate is arranged to intercept sand and stone in the filtered river water, and the suction pipe is used for suction and recycling, so that the content of silt in the river water is reduced, the water quality is improved, the water and soil loss is reduced, the environmental protection is facilitated, and the device is simple, practical, environment-friendly and reliable.

Description

Concrete building device suitable for straight line abrupt groove flood discharge groove

Technical Field

The invention relates to the technical field of building devices, in particular to a concrete building device suitable for a straight-line steep trough flood overflowing trough.

Background

The flood overflow groove is the flood control equipment of water conservancy buildings such as reservoir, builds one side at the dam more, like a vat, and when the water level exceeded safety limit in the reservoir, water just flowed out downstream from the overflow groove, prevented that the dam from being destroyed, include: the flood discharge groove is generally not operated frequently but is an important building in a reservoir junction, the flood discharge groove is divided into a normal flood discharge groove and an extraordinary flood discharge groove according to flood discharge standards and operation conditions, the former is used for discharging designed flood, the latter is used for discharging extraordinary flood and is divided into a riverbed type flood discharge groove and a shoreside flood discharge groove according to the position of the flood discharge groove, and the riverbed type flood discharge groove discharges flood via a dam body.

In river reach with serious soil erosion, river water is often doped with a large amount of silt, and the existing flood discharge trough only can play a role in flood discharge, cannot reduce soil erosion and cannot improve the water quality of the downstream, so that improvement is needed.

Disclosure of Invention

The invention aims to solve the problem that a large amount of silt is easily mixed in river water in the prior art, and provides a concrete building device suitable for a straight line steep groove flood overflowing groove.

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

a concrete building device suitable for a straight line steep trough flood discharge trough comprises the flood discharge trough, the cross section of the flood discharge trough is in an inverted isosceles trapezoid shape, a sand storage trough is arranged on the bottom surface of the flood discharge trough, a fixed plate is horizontally arranged above the sand storage trough, two ends of the fixed plate are respectively fixedly connected with the lateral walls of the flood discharge trough, a blocking plate is fixedly connected with the bottom surface of the fixed plate, a plurality of filter holes are uniformly formed in the blocking plate, the blocking plate is vertically arranged, two ends of the blocking plate are in abutting contact with the lateral walls of the flood discharge trough, the blocking plate is in abutting contact with the lateral walls of the flood discharge trough, a collecting box is mounted on the upper surface of the fixed plate, a suction pump is fixedly connected with the upper surface of the collecting box, a feeding pipe is fixedly connected with the feeding pipe, the feeding pipe penetrates through the upper wall of the collecting box and is fixedly connected with the upper wall of the collecting, the fixed plate below level is provided with the connecting plate, the cylinder and the fixed plate bottom surface fixed connection that the connecting plate passes through vertical setting, flexible pipe runs through the connecting plate, the vertical suction tube that sets up of flexible pipe bottom fixedly connected with, suction tube and connecting plate bottom surface fixed connection, evenly be provided with a plurality of suction holes on the suction tube.

Preferably, the outer side of the telescopic pipe is vertically provided with a protection pipe, the protection pipe surrounds the telescopic pipe, the protection pipe is fixedly connected with the upper surface of the connecting plate, the protection pipe penetrates through the fixed plate and is in sliding connection with the fixed plate, and the top end of the protection pipe is fixedly connected with a limiting ring.

Preferably, one side of the collection box, which faces the overflow trough and flows upwards, is fixedly connected with a resistance reducing piece, and the resistance reducing piece is triangular prism-shaped.

Preferably, the collecting box and four corners are all provided with L-shaped fixing pieces, the fixing pieces are all fixedly connected with the upper surface of the fixing plate, the fixing pieces are all in contact with the collecting box in an abutting mode, and the two fixing pieces are in contact with the resistance reducing pieces in an abutting mode.

Preferably, the bottom surface in the collecting box is obliquely arranged, the filtering screen plate is horizontally arranged in the collecting box and detachably connected with the collecting box, the lower end of the bottom surface of the collecting box is fixedly connected with a drain pipe, the drain pipe is L-shaped, and the drain pipe penetrates through the fixing plate and is in sliding connection with the fixing plate.

Preferably, the ring gear that the level set up is cup jointed on the suction tube, ring gear and suction tube sliding connection, the ring gear is connected with power unit, the connecting rod of many vertical settings of ring gear bottom surface fixedly connected with, many the equidistant setting of connecting rod, many connecting rod bottom army fixedly connected with has the first blade that the level set up, the polylith the second blade of the equal fixedly connected with vertical setting in one end bottom surface of the connecting rod that corresponds is kept away from to first blade, second blade bottom height is greater than suction tube bottom height.

Preferably, power unit includes power motor, power motor and connecting plate upper surface fixed connection, power motor's axle runs through the connecting plate and rotates with it and be connected, power motor's axle fixedly connected with drive gear, drive gear is connected with the ring gear meshing, drive gear's radius is less than the radius of ring gear, power motor is provided with waterproof frame outward, waterproof frame and connecting plate upper surface fixed connection.

Preferably, one end of the upper surface of the connecting plate, which is far away from the power motor, is fixedly connected with a liquid level detector, a cylindrical protective barrel is arranged outside the liquid level detector, the protective barrel is fixedly connected with the upper surface of the connecting plate, a plurality of meshes are uniformly arranged on the protective barrel, the upper surface of the collecting box is fixedly connected with a display, the liquid level detector is electrically connected with the display through a wire, the wire penetrates through the protective barrel and is in sliding connection with the protective barrel, and the wire penetrates through the protective tube and is in sliding connection with the protective barrel.

Preferably, fixed plate top level is provided with the backup pad, the backup pad is connected through the support column and the fixed plate upper surface fixed of many vertical settings, fixed surface is connected with elevator motor in the backup pad, elevator motor's axle fixedly connected with belt pulley, belt pulley fixedly connected with steel cable, the steel cable runs through the backup pad and sliding connection with it, the steel cable runs through the fixed plate and sliding connection with it, the vertical valve plate that is provided with in fixed plate below, all imbed in the spillway lateral wall of valve plate both sides and offset contact with it, valve plate upper surface and steel cable fixed connection, valve plate both sides all are provided with the splint with spillway tank bottom fixed connection, two splint all offset contact with the valve plate.

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

1. through setting up the interception board, filter some silt interception in the river, store in depositing husky groove, recycle suction pump cooperation suction tube with silt transshipment to the collection box in, realize the recycle to silt to reduce soil erosion and water loss makes silt content lower in the rivers that have under the spillway groove simultaneously, promotes quality of water.

2. Through setting up liquid level detector, along with the connecting plate can realize the vertical adjustment motion, utilize liquid level detector to detect the water level to utilize the display to show, make the device more timely to the detection of asking who, set up a protection section of thick bamboo simultaneously and protect liquid level detector, prevent that debris in the rivers from pounding bad liquid level detector, simple and practical.

3. Through setting up first blade and second blade, utilize motor power to indirectly drive its rotation, under the high-speed rotation of first blade and second blade, can smash debris such as pasture and water and plastic bag that are close to the suction tube, prevent that the suction tube from blockking up because of the foreign matter, first blade and the high rotation of second blade can form the one deck safety cover simultaneously, prevent that debris striking from damaging the suction tube safe and reliable.

4. Through setting up elevator motor and driving the valve plate and carry out the up-and-down motion, realize opening and closing of valve plate, the size of opening of steerable valve simultaneously to the flow size is controlled effectively, makes the flood discharge management effect of device better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic top view of the spillway according to the present invention;

FIG. 5 is a schematic cross-sectional view of the protection tube of the present invention;

FIG. 6 is a schematic bottom view of the connecting plate of the present invention;

FIG. 7 is a schematic cross-sectional view of the collection tank of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 1 according to the present invention;

fig. 9 is an enlarged schematic view of part B of fig. 1 according to the present invention.

In the figure: 1. a flood overflow trough; 2. a sand storage tank; 3. a fixing plate; 4. a interception plate; 5. a filtration pore; 6. a collection box; 7. a suction pump; 8. a feed pipe; 9. a telescopic pipe; 10. a connecting plate; 11. a cylinder; 12. a suction tube; 13. a suction hole; 14. protecting the tube; 15. a limiting ring; 16. a drag reducing member; 17. a fixing member; 18. a filter screen plate; 19. a drain pipe; 20. a toothed ring; 21. a power mechanism; 22. a connecting rod; 23. a first blade; 24. a second blade; 25. a power motor; 26. a drive gear; 27. a waterproof frame; 28. a liquid level detector; 29. a protective cylinder; 30. mesh openings; 31. a display; 32. a wire; 33. a support plate; 34. a support pillar; 35. a lifting motor; 36. a belt pulley; 37. a steel cord; 38. a valve plate; 39. and (4) clamping the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution:

in the first embodiment, as shown in fig. 1-9, a concrete construction device suitable for a straight line steep trough flood discharge trough comprises a flood discharge trough 1, the cross section of the flood discharge trough 1 is an inverted isosceles trapezoid, a sand storage trough 2 is arranged on the bottom surface of the flood discharge trough 1, a fixed plate 3 is horizontally arranged above the sand storage trough 2, two ends of the fixed plate 3 are respectively and fixedly connected with the side wall of the flood discharge trough 1, a blocking plate 4 is fixedly connected to the bottom surface of the fixed plate 3, a plurality of filtering holes 5 are uniformly arranged on the blocking plate 4, the blocking plate 4 is vertically arranged, two ends of the blocking plate 4 are in abutting contact with the side wall of the flood discharge trough 1, the blocking plate 4 is in abutting contact with the side wall of the sand storage trough 2, a collection box 6 is arranged on the upper surface of the fixed plate 3, a suction pump 7 is fixedly connected to the upper surface of the collection box 6, a feeding pipe 8 is fixedly connected to the suction pump 7, a telescopic pipe 9 is fixedly connected, flexible pipe 9 runs through fixed plate 3, fixed plate 3 below level is provided with connecting plate 10, cylinder 11 and the 3 bottom surfaces fixed connection of fixed plate that connecting plate 10 passes through vertical setting, flexible pipe 9 runs through connecting plate 10, the suction tube 12 of the vertical setting of flexible pipe 9 bottom fixedly connected with, suction tube 12 and the 10 bottom surfaces fixed connection of connecting plate, evenly be provided with a plurality of suction holes 13 on the suction tube 12, set up interception board 4 and block the grit in the river and fall into depositing husky groove 2, recycle suction tube 12 is retrieved again, the recycle of grit has not only been realized, simultaneously reducible soil erosion and water loss, promote quality of water, and is simple and practical.

In the second embodiment, as shown in fig. 1-3 and 5, a protection tube 14 is vertically arranged outside the extension tube 9, the protection tube 14 encloses the extension tube 9, the protection tube 14 is fixedly connected with the upper surface of the connecting plate 10, the protection tube 14 penetrates through the fixing plate 3 and is slidably connected with the fixing plate, a limit ring 15 is fixedly connected to the top end of the protection tube 14, and the protection tube 14 protects the extension tube 9 and prevents animals flowing in river water from damaging the extension tube 9.

Embodiment three, as shown in fig. 1-3, collecting box 6 subtracts to hinder 16 towards one side fixedly connected with that spillway groove 1 upflowed, subtracts to hinder 16 and is the triangular prism form, and collecting box 6 all is provided with the mounting 17 of L type with four corners, and a plurality of mountings 17 all are connected with fixed plate 3 upper surface fixed, and a plurality of mountings 17 all offset contact with collecting box 6, and wherein two mountings 17 offset contact with subtracting hindering 16, and mounting 17 makes the installation of collecting box 6 dismantle simple and convenient more.

In the fourth embodiment, as shown in fig. 1-3 and 7, the bottom surface of the collection box 6 is inclined, the filter screen plate 18 is horizontally arranged in the collection box 6, the filter screen plate 18 is detachably connected with the collection box 6, the lower end of the bottom surface of the collection box 6 is fixedly connected with a drain pipe 19, the drain pipe 19 is L-shaped, the drain pipe 19 penetrates through the fixing plate 3 and is in sliding connection with the fixing plate, and the filter screen plate 18 is matched with the drain pipe 19 to discharge excess muddy water in silt and return to the spillway 1, so that the filtration of silt is realized.

In the fifth embodiment, as shown in fig. 1, 6 and 8, a horizontally disposed toothed ring 20 is sleeved on the upper end of the suction pipe 12, the toothed ring 20 is slidably connected with the suction pipe 12, the toothed ring 20 is connected with a power mechanism 21, a plurality of vertically disposed connecting rods 22 are fixedly connected to the bottom surface of the toothed ring 20, the plurality of connecting rods 22 are arranged at equal intervals, horizontally disposed first blades 23 are fixedly connected to the bottom ends of the plurality of connecting rods 22, vertically disposed second blades 24 are fixedly connected to the bottom surfaces of the ends of the plurality of first blades 23 far away from the corresponding connecting rods 22, the height of the bottom ends of the second blades 24 is greater than that of the bottom ends of the suction pipe 12, the power mechanism 21 comprises a power motor 25, the power motor 25 is fixedly connected to the upper surface of the connecting plate 10, a shaft of the power motor 25 penetrates through the connecting plate 10 and is rotatably connected therewith, a driving gear 26, the radius of the driving gear 26 is smaller than that of the gear ring 20, the waterproof frame 27 is arranged outside the power motor 25, the waterproof frame 27 is fixedly connected with the upper surface of the connecting plate 10, the power motor 25 indirectly drives the first blade 23 and the second blade 24 to rotate, and the first blade 23 and the second blade 24 rotate to cut up sundries such as aquatic weeds and prevent the suction pipe 12 from being blocked and prevent the suction pipe 12 from being impacted.

In the sixth embodiment, as shown in fig. 1-3 and 9, a liquid level detector 28 is fixedly connected to one end of the upper surface of the connecting plate 10, which is far away from the power motor 25, a cylindrical protection barrel 29 is disposed outside the liquid level detector 28, the protection barrel 29 is fixedly connected to the upper surface of the connecting plate 10, a plurality of meshes 30 are uniformly disposed on the protection barrel 29, a display 31 is fixedly connected to the upper surface of the collecting box 6, the liquid level detector 28 is electrically connected to the display 31 through a lead 32, the lead penetrates through the protection barrel 29 and is in sliding connection therewith, the lead 32 penetrates through the protection tube 14 and is in sliding connection therewith, the liquid level detector 28 is used for detecting the water level in the spillway 1, and real-time regulation and control are performed, so that the water level of the device is monitored more timely and safer, and the protection.

Seventh embodiment, as shown in fig. 1-4, a supporting plate 33 is horizontally disposed above the fixing plate 3, the supporting plate 33 is fixedly connected to the upper surface of the fixing plate 3 through a plurality of vertically disposed supporting pillars 34, a lifting motor 35 is fixedly connected to the upper surface of the supporting plate 33, a pulley 36 is fixedly connected to a shaft of the lifting motor 35, a steel cable 37 is fixedly connected to the pulley 36, the steel cable 37 penetrates through the supporting plate 33 and is slidably connected to the supporting plate 33, the steel cable 37 penetrates through the fixing plate 3 and is slidably connected to the fixing plate 3, a valve plate 38 is vertically disposed below the fixing plate 3, two sides of the valve plate 38 are embedded into and contact against the side walls of the flood discharge trough 1, the upper surface of the valve plate 38 is fixedly connected to the steel cable 37, two sides of the valve plate 38 are respectively provided with a clamping plate 39 fixedly connected to the bottom surface of the flood discharge trough 1, the two clamping plates 39 are respectively in contact, at the same time, the sealing effect of the valve plate 38 is also better.

The working principle is as follows: the valve plate 38 is in an open state in the initial state, river water mixed with silt is blocked and filtered by the blocking plate 4 for a long time, water flow passes through the blocking plate 4, silt and other impurities mixed in the two water flows are left on the upward-flowing side of the blocking plate 4, a large amount of silt and other garbage impurities are deposited in the upward-flowing sand storage tank 2 of the blocking plate 4 along with the time, after the silt is stored to a certain mass, the suction pump 7, the air cylinder 11 and the power motor 25 are controlled to be started, the air cylinder 11 extends to drive the connecting plate 10 to move downwards so that the suction pipe 12 moves downwards to be contacted with a sand layer, meanwhile, the power motor 25 drives the driving gear 26 to rotate so as to drive the toothed ring 20 to rotate, finally, the first blade 23 and the second blade 24 below the toothed ring 20 are driven to rotate, impurities such as waterweed plastic bags and the like around the suction pipe 12 are cut off, the suction pipe 12 pumps the silt into the collection, silt filters through filtering screen 18, and muddy water is discharged through drain pipe 19 and is returned to flood discharge groove 1, realizes the recycle to silt, and when the valve flood discharge was opened to needs, control started elevator motor 35, and elevator motor 35 drives belt pulley 36 rotatory, and belt pulley 36 twines steel cable 37 to pulling valve plate 38 rises, and the valve is opened, realizes the flood discharge.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a concrete construction equipment suitable for sharp groove flood discharge groove of straight line, includes flood discharge groove (1), its characterized in that: the cross section of the flood discharge groove (1) is in an inverted isosceles trapezoid shape, the bottom surface of the flood discharge groove (1) is provided with a sand storage groove (2), a fixing plate (3) is horizontally arranged above the sand storage groove (2), two ends of the fixing plate (3) are respectively fixedly connected with the side wall of the flood discharge groove (1), the bottom surface of the fixing plate (3) is fixedly connected with a blocking plate (4), a plurality of filtering holes (5) are uniformly formed in the blocking plate (4), the blocking plate (4) is vertically arranged, two ends of the blocking plate (4) are in abutting contact with the side wall of the flood discharge groove (1), the blocking plate (4) is in abutting contact with the side wall of the sand storage groove (2), the upper surface of the fixing plate (3) is provided with a collecting box (6), the upper surface of the collecting box (6) is fixedly connected with a suction pump (7), the suction pump (7) is fixedly connected with a feed pipe (8), and the feed pipe (8) penetrates through the upper wall of the collecting box (6, suction pump (7) fixedly connected with is flexible pipe (9), flexible pipe (9) run through fixed plate (3), fixed plate (3) below level is provided with connecting plate (10), cylinder (11) and fixed plate (3) bottom surface fixed connection that connecting plate (10) pass through vertical setting, flexible pipe (9) run through connecting plate (10), the suction tube (12) of the vertical setting of flexible pipe (9) bottom fixedly connected with, suction tube (12) and connecting plate (10) bottom surface fixed connection, evenly be provided with a plurality of suction holes (13) on suction tube (12).

2. The concrete building device suitable for the straight steep trough spillway according to claim 1, wherein: the telescopic pipe is characterized in that a protection pipe (14) is vertically arranged on the outer side of the telescopic pipe (9), the protection pipe (14) surrounds the telescopic pipe (9), the upper surface of the protection pipe (14) is fixedly connected with the upper surface of the connecting plate (10), the protection pipe (14) penetrates through the fixing plate (3) and is in sliding connection with the fixing plate, and a limiting ring (15) is fixedly connected to the top end of the protection pipe (14).

3. The concrete building device suitable for the straight steep trough spillway according to claim 1, wherein: one side of the collection box (6) which faces the overflow trough (1) to flow upwards is fixedly connected with a resistance reducing piece (16), and the resistance reducing piece (16) is triangular prism-shaped.

4. A concrete building device suitable for a straight steep trough spillway according to claim 3, wherein: the collecting box (6) and four corners all are provided with mounting (17) of L type, and a plurality of mounting (17) all are connected with fixed plate (3) upper surface fixed, and a plurality of mounting (17) all contact with collecting box (6) counterbalance, wherein two mounting (17) counterbalance contact with drag reduction spare (16).

5. The concrete building device suitable for the straight steep trough spillway according to claim 1, wherein: the bottom surface in the collecting box (6) is obliquely arranged, the filtering screen plate (18) is horizontally arranged in the collecting box (6), the filtering screen plate (18) is detachably connected with the collecting box (6), a drain pipe (19) is fixedly connected to the lower end of the bottom surface of the collecting box (6), the drain pipe (19) is L-shaped, and the drain pipe (19) penetrates through the fixing plate (3) and is in sliding connection with the fixing plate.

6. The concrete building device suitable for the straight steep trough spillway according to claim 2, wherein: suction tube (12) upper end is cup jointed the ring gear (20) that the level set up, ring gear (20) and suction tube (12) sliding connection, ring gear (20) are connected with power unit (21), connecting rod (22) of many vertical settings of ring gear (20) bottom surface fixedly connected with, many connecting rod (22) equidistant setting, many connecting rod (22) bottom army fixedly connected with has first blade (23) that the level set up, polylith the equal fixedly connected with in one end bottom surface of corresponding connecting rod (22) is kept away from in first blade (23) second blade (24) of the vertical setting of second blade (24), second blade (24) bottom height is greater than suction tube (12) bottom height.

7. The concrete building device suitable for the straight steep trough spillway according to claim 6, wherein: power unit (21) includes power motor (25), fixed surface is connected on power motor (25) and connecting plate (10), the axle of power motor (25) runs through connecting plate (10) and rotates with it and is connected, the axle fixedly connected with drive gear (26) of power motor (25), drive gear (26) are connected with ring gear (20) meshing, the radius of drive gear (26) is less than the radius of ring gear (20), power motor (25) are provided with waterproof frame (27) outward, waterproof frame (27) and connecting plate (10) fixed surface are connected.

8. The concrete building device suitable for the straight steep trough spillway according to claim 7, wherein: one end fixedly connected with liquid level detector (28) of power motor (25) is kept away from to connecting plate (10) upper surface, liquid level detector (28) are provided with a columniform protection section of thick bamboo (29) outward, a protection section of thick bamboo (29) and connecting plate (10) upper surface fixed connection, evenly be provided with many each mesh (30) on a protection section of thick bamboo (29), fixed surface is connected with display (31) on collecting box (6), liquid level detector (28) pass through wire (32) and display (31) electric connection, the wire runs through a protection section of thick bamboo (29) and sliding connection with it, wire (32) run through protection tube (14) and sliding connection with it.

9. The concrete building device suitable for the straight steep trough spillway according to claim 1, wherein: the improved flood control device is characterized in that a supporting plate (33) is horizontally arranged above the fixed plate (3), the supporting plate (33) is fixedly connected with the upper surface of the fixed plate (3) through a plurality of vertically arranged supporting columns (34), a lifting motor (35) is fixedly connected with the upper surface of the supporting plate (33), a belt pulley (36) is fixedly connected with a shaft of the lifting motor (35), a steel rope (37) is fixedly connected with the belt pulley (36), the steel rope (37) penetrates through the supporting plate (33) and is in sliding connection with the supporting plate, the steel rope (37) penetrates through the fixed plate (3) and is in sliding connection with the fixed plate, a valve plate (38) is vertically arranged below the fixed plate (3), two sides of the valve plate (38) are embedded into the side wall of the flood control groove (1) and are in abutting contact with the side wall of the flood control groove, the upper surface of the valve plate (38) is fixedly connected with the steel rope (37), two sides of, the two clamping plates (39) are in contact with the valve plate (38) in an abutting mode.