CN216445923U

CN216445923U - Dam body structure for preventing sediment accumulation of water conservancy reservoir

Info

Publication number: CN216445923U
Application number: CN202122236234.4U
Authority: CN
Inventors: 张传文
Original assignee: Yili Construction Engineering Co ltd
Current assignee: Yili Construction Engineering Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-06
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a dam body structure for preventing water conservancy reservoir silt from silting, and belongs to the technical field of water conservancy dam bodies. The utility model provides a prevent dam body structure of water conservancy reservoir silt siltation, includes the dam main part, and dam main part antetheca lower extreme is linear equidistant a plurality of delivery ports of having seted up, and the inside lower extreme of dam main part rotates and is connected with the pivot, and the inside front end below of delivery port is equipped with the commentaries on classics movable vane, rotates in the pivot and is connected with a plurality of bevel gear A, and bevel gear A meshing is connected with bevel gear B, and bevel gear B has cup jointed the bull stick in the middle part, and dam main part front end lower wall has set firmly the desilting platform. The rotating blade drives the rotating shaft to rotate through the water flow of the water outlet, so that the conical block scrapes and stirs the accumulated silt, and the water and the silt are mixed and then discharged from the water outlet, thereby realizing cleaning during water discharge, effectively relieving silt deposition at the front end of the dam body, reducing the pressure of the dam body, saving the dredging cost and prolonging the service life of the dam body.

Description

Dam body structure for preventing sediment accumulation of water conservancy reservoir

Technical Field

The utility model relates to the technical field of water conservancy dam bodies, in particular to a dam body structure for preventing sediment accumulation of a water conservancy reservoir.

Background

A reservoir, which is generally explained as "a hydraulic engineering building for storing and regulating water flow by blocking floods, can be utilized for irrigation, power generation, flood control and fish culture," refers to an artificial lake formed by constructing a barrage at a narrow opening of a mountain ditch or river. After the reservoir is built, the functions of flood control, water storage irrigation, water supply, power generation, fish culture and the like can be realized. Patent document with publication number CN206784336U provides a dam body structure for preventing water conservancy reservoir silt from silting up, sets up a plurality of culvert pipes on the retaining dam to carry out the sediment removal and silt reduction, and the sediment removal culvert pipe extends to the dam and passes whole frame bearing structure, prevents that silt from impacting the frame structure dam, avoids silt to deposit in dam body low reaches.

Although the device has more beneficial effects, the following problems still exist: the culvert pipe is inconvenient to the silt clearance of water conservancy reservoir siltation, and silt is easily blockked up the culvert pipe after the dam body front end is piled up, and the sediment outflow subtracts the silt effect not good enough, influences the sediment outflow effect. In view of this, we propose a dam body structure that prevents water conservancy reservoir silt siltation.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a dam body structure for preventing sediment accumulation of a water conservancy reservoir, and aims to solve the problems in the background technology.

2. Technical scheme

A dam body structure for preventing sediment accumulation of a water conservancy reservoir comprises a dam body, wherein a plurality of water outlets are formed in the lower end of the front wall of the dam body at equal intervals in a linear mode, a rotating shaft is rotatably connected to the lower end of the inner portion of the dam body, a rotating blade is arranged below the front end of the inner portion of each water outlet, a plurality of bevel gears A are rotatably connected to the rotating shaft, the bevel gears A are meshed with bevel gears B, rotating rods are sleeved in the middles of the bevel gears B, a dredging table is fixedly arranged on the lower wall of the front end of the dam body, a stop block is fixedly arranged in the middle of the upper surface of the dredging table, the front end of each rotating rod penetrates through the stop block and is fixedly provided with a disc, a plurality of through grooves are formed in an annular array structure on the disc, two limiting grooves are formed in a bilateral symmetry structure on the inner wall of each through groove, sliding blocks are slidably connected to the inner portions of the through grooves, and two limiting blocks are fixedly provided in a bilateral symmetry structure on the blocks, the top surface of the sliding block is fixedly provided with a conical block, and the bottom surface of the sliding block is fixedly provided with a spring.

Preferably, the rotating shaft is rotatably connected with the water outlet, and the rotating blades are fixedly connected with the rotating shaft.

Preferably, the rotating rods are rotatably connected with the dam main body and the stop block.

Preferably, the limiting block is connected with the limiting groove in a sliding mode, and the conical block is connected with the through groove in a sliding mode.

Preferably, the bottom surface of the spring is fixedly connected with the bottom of the through groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the backflow direction of water flow is changed through the stop block and the dredging table, so that silt is accumulated at the front end of the dredging table, when a reservoir drains water, the water flow drives the rotating blades to rotate, the rotating shaft drives the bevel gear A to synchronously rotate, the bevel gear A is meshed with and drives the bevel gear B to drive the rotating rod to synchronously rotate the disc, and due to different silt deposition heights, the spring extrudes the sliding block to slide along the through groove, the limiting block slides along the limiting groove, so that the conical block and the sliding block synchronously move, the conical block is in friction contact with the upper surface of deposited silt and then is stirred, and the deposited silt and water are mixed and then discharged through the water outlet. The problem of the culvert pipe inconvenient to the silt clearance of water conservancy reservoir siltation is solved, silt easily blocks up the culvert pipe after the dam body front end is piled up, arrange the sand and subtract silt effect not good enough, influence the effect of arranging the sand is realized, can clear up when having realized the silt drainage to the siltation of water conservancy reservoir dam water discharge gate district return flow district siltation, effectively alleviated the silt siltation of dam body front end, reduced the pressure of dam body, practiced thrift the desilting cost, prolonged the life of dam body.

2. The rotating blade drives the rotating shaft to rotate through water flow of the water outlet, the disc drives the conical blocks to synchronously rotate through the bevel gears A and B, the conical blocks scrape and stir accumulated silt, the water and the silt are discharged from the water outlet after being mixed, the accumulated silt can be cleaned through water discharge, the cleaning period is shortened, and the effects of dredging and removing the silt are improved.

3. When the conical block is in contact with the surface of deposited silt, the height of the silt is different, the sliding block is pushed by the spring to enable the conical block to slide along the through groove, the conical block slides from inside to outside along the through groove in the dredging process, the stability of the conical block in the dredging process is improved by matching with the use of the limiting block, the dredging range is gradually improved, and the dredging and desilting effects are better.

Drawings

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

FIG. 2 is a sectional view of the dam body structure of the present invention;

FIG. 3 is a cross-sectional view of a through slot configuration of the present invention;

the reference numbers in the figures illustrate: 1. a dam body; 2. a water outlet; 3. a rotating shaft; 4. rotating the blades; 5. a bevel gear A; 6. a bevel gear B; 7. a rotating rod; 8. a dredging platform; 9. a stopper; 10. a disc; 11. a through groove; 12. a limiting groove; 13. a slider; 14. a limiting block; 15. a conical block; 16. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

a dam body structure for preventing sediment accumulation of a water conservancy reservoir comprises a dam body 1, a plurality of water outlets 2 are formed in the lower end of the front wall of the dam body 1 at equal intervals linearly, a rotating shaft 3 is connected to the lower end of the inside of the dam body 1 in a rotating mode, a rotating blade 4 is arranged below the front end of the inside of each water outlet 2, a plurality of bevel gears A5 are connected to the rotating shaft 3 in a rotating mode, a bevel gear B6 is connected to the bevel gears A5 in a meshing mode, a rotating rod 7 is sleeved in the middle of the bevel gear B6, a dredging table 8 is fixedly arranged on the lower wall of the front end of the dam body 1, a stop block 9 is fixedly arranged in the middle of the upper surface of the dredging table 8, the front end of the rotating rod 7 penetrates through the stop block 9 and is fixedly provided with a disc 10, a plurality of through grooves 11 are formed in an annular array structure on the disc 10, two limit grooves 12 are formed in a left-right symmetrical structure on the inner wall of the through grooves 11, a sliding block 13 is fixedly connected to the left-right symmetrical structure on the block 13, the top surface of the sliding block 13 is fixedly provided with a conical block 15, and the bottom surface of the sliding block 13 is fixedly provided with a spring 16. When water flow in a reservoir is intercepted by the dam body 1, the water flow can form a backflow area, silt easily flows back and falls into the water outlet door area, the stop block 9 and the dredging table 8 change the backflow direction of the water flow, so that the silt is accumulated at the front end of the dredging table 8, when water needs to be drained and drained, the water flow drives the rotating blade 4 to rotate, the rotating shaft 3 drives the bevel gear A5 to synchronously rotate, at the moment, the bevel gear A5 is meshed with and transmitted to the bevel gear B6, the rotating rod 7 drives the disc 10 to synchronously rotate, due to different silt deposition heights, the spring 16 extrudes the sliding block 13 to slide along the through groove 11, the limiting block 14 slides along the limiting groove 12, the conical block 15 and the sliding block 13 synchronously move, the conical block 15 is in friction contact with the upper surface of the deposited silt and then is stirred, the deposited silt and water are mixed and then discharged through the water outlet 2, silt deposition at the front end of the dam body 1 is effectively relieved, and the pressure of the dam body is reduced, the service life is prolonged.

Specifically, the rotating shaft 3 is rotatably connected with the water outlet 2, and the rotating blade 4 is fixedly connected with the rotating shaft 3. The rotating blade 4 drives the rotating shaft 3 to grab inside the water outlet 2, so that the bevel gear A5 synchronously rotates.

Furthermore, the rotating rods 7 are rotatably connected with the dam body 1 and the stop block 9. The dam body 1 and the stopper 9 provide support for the rotation bar 7 while facilitating rotation.

Still further, the limiting block 14 is slidably connected with the limiting groove 12, and the tapered block 15 is slidably connected with the through groove 11. The limiting groove 12 limits the moving direction of the limiting block 14, and the sliding block 13 is convenient to drive the conical block 15 to move synchronously.

Furthermore, the bottom surface of the spring 16 is fixedly connected with the bottom of the through groove 11. The through slot 11 provides support for the spring 16, pushing the slider 13 to move the conical block 15 up and down along the through slot 11.

The working principle is as follows: when the utility model is used, when water flow in a reservoir is intercepted by the dam body 1, the water flow can form a backflow area, silt easily flows back and falls to silt in a water outlet door area, the stop block 9 and the dredging table 8 change the backflow direction of the water flow, so that the silt is accumulated at the front end of the dredging table 8, when water drainage and water drainage are needed, the water flow drives the rotating blade 4 to rotate, the rotating shaft 3 drives the bevel gear A5 to synchronously rotate, at the moment, the bevel gear A5 is meshed with and driven to the bevel gear B6, the rotating rod 7 drives the disc 10 to synchronously rotate, because of different silt accumulation heights, the spring 16 extrudes the sliding block 13 to slide along the through groove 11, the limit block 14 slides along the limit groove 12, so that the conical block 15 and the sliding block 13 synchronously move, the conical block 15 is in friction contact with the upper surface of the accumulated silt to stir, the accumulated silt and water are mixed and then discharged through the water outlet 2, thereby effectively relieving the silt accumulation at the front end of the dam body 1, the pressure of the dam body is reduced, and the service life is prolonged.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent dam body structure of water conservancy reservoir silt siltation, includes dam main part (1), its characterized in that: the dam is characterized in that a plurality of water outlets (2) are formed in the lower end of the front wall of the dam body (1) at equal intervals linearly, a rotating shaft (3) is connected to the lower end inside the dam body (1) in a rotating mode, a rotating blade (4) is arranged below the front end inside the water outlets (2), a plurality of bevel gears A (5) are connected to the rotating shaft (3) in a rotating mode, the bevel gears A (5) are connected with bevel gears B (6) in a meshing mode, a rotating rod (7) is sleeved in the middle of the bevel gears B (6), a dredging table (8) is fixedly arranged on the lower wall of the front end of the dam body (1), a stop block (9) is fixedly arranged in the middle of the upper surface of the dredging table (8), the front end of the rotating rod (7) penetrates through the stop block (9) and is fixedly provided with a disc (10), a plurality of through grooves (11) are formed in an annular array structure, two limiting grooves (12) are formed in a left-right symmetrical structure on the inner wall of the through grooves (11), lead to groove (11) inside sliding connection has slider (13), be bilateral symmetry structure on slider (13) and set firmly two stopper (14), slider (13) top surface has set firmly toper piece (15), slider (13) bottom surface has set firmly spring (16).

2. The dam structure of claim 1, wherein the dam structure is arranged to prevent silt from accumulating in a water conservancy reservoir, and comprises: the rotating shaft (3) is rotatably connected with the water outlet (2), and the rotating blades (4) are fixedly connected with the rotating shaft (3).

3. The dam structure of claim 1, wherein the dam structure is arranged to prevent silt from accumulating in a water conservancy reservoir, and comprises: the rotating rods (7) are rotatably connected with the dam body (1) and the stop block (9).

4. The dam structure of claim 1, wherein the dam structure is arranged to prevent silt from accumulating in a water conservancy reservoir, and comprises: the limiting block (14) is connected with the limiting groove (12) in a sliding mode, and the conical block (15) is connected with the through groove (11) in a sliding mode.

5. The dam structure of claim 1, wherein the dam structure is arranged to prevent silt from accumulating in a water conservancy reservoir, and comprises: the bottom surface of the spring (16) is fixedly connected with the bottom of the through groove (11).