CN220521258U - Curved ladder water conservancy and hydropower overflow dam - Google Patents

Abstract

The utility model discloses a curved ladder water conservancy and hydropower overflow dam, which relates to the technical field of overflow dams and comprises a dam body, wherein the dam body comprises a dam head, a dam slope and a dam tail, a diversion ladder is fixedly connected to the outer surface of the dam slope and comprises a first ladder and a second ladder, and circulation grooves are formed in the middle parts of the first ladder and the second ladder. According to the utility model, by adopting the cooperation of the first ladder, the second ladder and the circulation groove, flood passes through the top of the first ladder in the middle of a dam slope, the impact strength of partial flood discharge is reduced through the circulation groove arranged in the middle of the first ladder, and the slope of the first ladder flows in the middle of the second ladder again, so that the buffer of the flood discharge strength is carried out, the problem that the dam body is washed out and damaged or the flood leaks due to the fact that the kinetic energy of the existing curved water conservancy and hydropower overflow dam cannot be buffered when a large amount of flood needs to discharge is solved, and the effect of reducing the kinetic energy of the curved water conservancy and hydropower overflow dam in the flood discharge is achieved.

Description

A curved stepped water conservancy and hydropower overflow dam

Technical field

The utility model relates to the technical field of overflow dams, in particular to a curved stepped water conservancy and hydropower overflow dam.

Background technique

Overflow dam, a dam whose top can release floods, is also called a rolling dam. Overflow dams are generally made of concrete or mortar masonry. According to the dam type, there are overflow gravity dams, overflow arch dams, overflow buttress dams and overflow earth-rock dams. The latter is limited to low dams with reliable protection facilities on the overflow surface and dam foot and a small single-width flow rate. Combined with the factory building, the combined flood discharge method of the factory building overflow dam within the dam, the factory roof overflow and the overflow powerhouse roof release as a flood discharge structure can be used in high mountain and canyon areas to solve the problem when releasing large flows. One approach is the insufficient layout of spillways and power plant buildings, and it is also a new form developed from spill dams. The higher dam uses a curved shape to buffer the kinetic energy of its flood discharge. There are the following problems with existing technology:

When existing curved water conservancy and hydropower overflow dams encounter large amounts of flood and need to be discharged, they are usually unable to buffer the kinetic energy during flood discharge, causing the dam body to be washed away and damaged or floods to leak out. At the same time, the existing curved water conservancy and hydropower overflow dams The water source from the dam cannot be diverted after the flood is discharged, resulting in the inability to be used by people in time, resulting in a large amount of water wasted.

Utility model content

The utility model provides a curved stepped water conservancy and hydropower overflow dam to solve the problems raised in the above background technology.

In order to solve the above technical problems, the technical solution adopted by the present utility model is:

A curved stepped water conservancy and hydropower overflow dam includes a dam body. The dam body includes a dam head, a dam slope and a dam tail. The dam slope and the dam tail are fixedly connected to the outside with protective plates. The dam tail is A diverter box is fixedly connected to the top, a diversion block is provided on one side of the diverter box, and a diverter ladder is fixedly connected to the outer surface of the dam slope.

A further improvement of the technical solution of the present invention is that the diverter ladder includes a first step and a second step, and a flow groove is provided in the middle of the first step and the second step.

A further improvement of the technical solution of the present invention is that one end of the bottom of the first step is fixedly connected to the top of the second step, and the first step and the second step are stepped.

Using the above technical solution, the floodwater in this solution is released through the dam head, passes through the top of the first step in the middle of the dam slope, reduces part of the flood discharge impact intensity through the flow channel opened in the middle of the first step, and flows again through the slope of the first step to the third step. The middle part of the second step is used to buffer the flood discharge intensity.

A further improvement of the technical solution of the present invention is that: the drainage block includes a first drainage plate and a second drainage plate, the combination of the first drainage plate and the second drainage plate is in a triangular shape, and the first drainage plate and One side of the second drainage plate is fixedly connected to one side of the distribution box.

Using the above technical solution, the first diversion plate and the second diversion plate in the plan are combined into a triangular shape, which can divert the flood flowing at the end of the dam to the diverter box, and intercept the water source from one side of the diverter box for irrigation, etc. Water use.

A further improvement of the technical solution of the present invention is that a first fixing block is fixedly connected to one side of the first and second flow guide plates, and a limit slot is provided on one side of the diverter box, and the limit slot is A second fixed block is fixedly connected to the interior, and the middle portions of the second fixed block and the first fixed block are movably connected to a limiting column.

Using the above technical solution, when the flood in this solution pushes the first and second diversion plates to move, the limit column moves in the middle of the first fixed block and the second fixed block inside the limit groove, thereby achieving the buffer limit. role.

A further improvement of the technical solution of the present invention is that a spring is provided on the outside of the limiting column, and the two ends of the spring overlap the insides of the first fixed block and the second fixed block.

Using the above technical solution, when the limiting column in this solution moves in the middle of the first fixed block and the second fixed block, the spring outside the limiting column overlaps the first fixed block and the second fixed block, thereby achieving shock absorption. buffering effect.

Due to the adoption of the above technical solution, compared with the existing technology, the technical progress achieved by this utility model is:

1. This utility model provides a curved stepped water conservancy and hydropower overflow dam, which adopts the cooperation of the first step, the second step and the flow channel. The flood water is released through the dam head, passes through the top of the first step in the middle of the dam slope, and passes through the first step. The flow channel opened in the middle of the steps reduces part of the flood discharge impact intensity, and flows again through the slope of the first step in the middle of the second step, thus buffering the flood discharge intensity and solving the problem of existing curved water conservancy and hydropower overflow dams when encountering large amounts of floods. When flood discharge is required, the dam body is usually damaged by erosion or flood leakage due to the inability to buffer the kinetic energy during flood discharge. This curved stepped water conservancy and hydropower overflow dam has the effect of reducing the kinetic energy during flood discharge.

2. The utility model provides a curved stepped water conservancy and hydropower overflow dam, which adopts a diverter box, a first diversion plate, a second diversion plate, a first fixed block, a limit groove, a second fixed block, a limit column and a spring. With the cooperation, when the flood drives the first and second diversion plates to move, the limiting column moves in the middle of the first fixed block and the second fixed block inside the limiting groove, thereby achieving the buffering and limiting function. The limiting column When moving in the middle of the first fixed block and the second fixed block, the spring outside the limiting column overlaps the first fixed block and the second fixed block, thereby obtaining a shock-absorbing and buffering effect, solving the problem of existing curved water conservancy projects. The water source of the hydropower overflow dam cannot be diverted after the flood is discharged, resulting in the inability to be used by people in time, resulting in the problem of wasting a large amount of water. The curved stepped water conservancy and hydropower overflow dam has the effect of convenient flood discharge and diversion, making it convenient for people to use water sources.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model;

Figure 2 is a partial cross-sectional structural diagram of the diverter ladder of the present utility model;

Figure 3 is a schematic structural diagram of the drainage block of the present utility model;

Figure 4 is a schematic cross-sectional structural diagram of the drainage block of the present utility model.

In the picture: 1. Dam body; 2. Dam head; 3. Dam slope; 4. Dam tail; 5. Guard plate; 6. Diversion box; 7. Diversion ladder; 8. Diversion block; 71. First ladder; 72 , the second ladder; 73, flow channel; 81, first drainage plate; 82, second drainage plate; 83, first fixed block; 84, limit slot; 85, second fixed block; 86, limit column; 87. Spring.

Detailed ways

The utility model will be further described in detail below in conjunction with the examples:

Example 1

As shown in Figures 1-4, the utility model provides a curved stepped water conservancy and hydropower overflow dam, which includes a dam body 1. The dam body 1 includes a dam head 2, a dam slope 3 and a dam tail 4. The dam slope 3 and A guard plate 5 is fixedly connected to the outside of the dam tail 4. A diverter box 6 is fixedly connected to the top of the dam tail 4. A diversion block 8 is provided on one side of the diverter box 6. A diverter ladder 7 is fixedly connected to the outer surface of the dam slope 3 to divert the flow. The ladder 7 includes a first step 71 and a second step 72. A circulation groove 73 is provided in the middle of the first step 71 and the second step 72. One end of the bottom of the first step 71 is fixedly connected to the top of the second step 72. The step 71 and the second step 72 are in the shape of steps.

In this embodiment, the floodwater is released through the dam head 2, passes through the top of the first step 71 in the middle of the dam slope 3, passes through the flow channel 73 opened in the middle of the first step 71 to reduce part of the flood discharge impact intensity, and then passes through the slope of the first step 71 again. The flow flows in the middle of the second step 72, thereby buffering the intensity of the flood discharge, which solves the problem that when the existing curved water conservancy and hydropower overflow dam encounters a large amount of flood and needs to discharge the flood, the dam body 1 is usually unable to buffer the kinetic energy during the flood discharge, causing the dam body 1 to be To solve the problem of erosion damage or flood leakage, this curved stepped water conservancy and hydropower overflow dam has the effect of reducing the kinetic energy during flood discharge.

Example 2

As shown in Figures 1-4, based on Embodiment 1, the present utility model provides a technical solution: preferably, the drainage block 8 includes a first drainage plate 81 and a second drainage plate 82. The first drainage plate 81 Combined with the second air guide plate 82, it forms a triangular shape. One side of the first air guide plate 81 and the second air guide plate 82 is fixedly connected to one side of the distribution box 6. One side of the first air guide plate 81 and the second air guide plate 82 A first fixed block 83 is fixedly connected. A limiting slot 84 is provided on one side of the diverter box 6. A second fixed block 85 is fixedly connected to the inside of the limiting slot 84. The middle portions of the second fixed block 85 and the first fixed block 83 are movable. Connected to the limiting column 86, a spring 87 is provided on the outside of the limiting column 86, and both ends of the spring 87 overlap the insides of the first fixed block 83 and the second fixed block 85.

In this embodiment, when the flood pushes the first diversion plate 81 and the second diversion plate 82 to move, the limiting column 86 moves in the middle of the second fixed block 85 inside the first fixed block 83 and the limiting groove 84, thereby achieving To buffer the limit, when the limit column 86 moves in the middle of the first fixed block 83 and the second fixed block 85, the spring 87 outside the limit column 86 overlaps the first fixed block 83 and the second fixed block 85, This achieves the function of shock absorption and buffering, and solves the problem of the existing curved water conservancy and hydropower overflow dam that the water source cannot be diverted after the flood is discharged, resulting in the inability to be used by people in time, resulting in a large amount of water wastage. This curved stepped water conservancy and hydropower The overflow dam has the effect of facilitating flood discharge and diversion and making it easier for people to use water sources.

Let’s talk about the working principle of this curved stepped water conservancy and hydropower overflow dam in detail.

As shown in Figure 1-4, when using this curved stepped water conservancy and hydropower overflow dam, install the guard plate 5 outside the dam slope 3 and the dam tail 4, install the diverter box 6 on the top of the dam tail 4, and install the diversion block 8 is arranged on one side of the diverter box 6, and the flood water is released through the dam head 2, passes through the top of the first step 71 in the middle of the dam slope 3, and reduces part of the flood discharge impact intensity through the flow groove 73 opened in the middle of the first step 71, and then passes through the third step again. The slope of the first step 71 flows in the middle of the second step 72, thereby buffering the intensity of flood discharge, which solves the problem that when existing curved water conservancy and hydropower overflow dams encounter a large amount of flood and need to discharge flood, they usually cannot buffer the kinetic energy during flood discharge. The curved stepped water conservancy and hydropower overflow dam has the effect of reducing the kinetic energy during flood discharge, which causes the dam body 1 to be damaged by erosion or flood leakage. At the same time, the flood pushes the first diversion plate 81 and the second diversion plate 82 When moving, the limiting column 86 moves in the middle of the second fixed block 85 inside the first fixed block 83 and the limiting groove 84, thereby achieving the function of buffering and limiting. The limiting column 86 moves between the first fixed block 83 and the limiting groove 84. When the second fixed block 85 is in the middle, the spring 87 outside the limiting column 86 overlaps the first fixed block 83 and the second fixed block 85, thereby obtaining a shock-absorbing and buffering effect, and solving the existing curved water conservancy and hydropower overflow problem. The water source of the dam cannot be diverted after the flood is discharged, resulting in the inability to be used by people in time, resulting in the problem of wasting a large amount of water sources. This curved stepped water conservancy and hydropower overflow dam has the effect of convenient flood discharge and diversion, making it convenient for people to use water sources.

The above generally describes the present utility model in detail, but on the basis of the present utility model, some modifications or improvements can be made, which is obvious to those of ordinary skill in the technical field. Therefore, any modification or improvement that does not deviate from the spirit of the present utility model is within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a curved ladder water conservancy hydroelectric overflow dam, includes dam body (1), its characterized in that: the dam body (1) comprises a dam head (2), a dam slope (3) and a dam tail (4), wherein guard plates (5) are fixedly connected to the outside of the dam slope (3) and the dam tail (4), a shunt box (6) is fixedly connected to the top of the dam tail (4), a drainage block (8) is arranged on one side of the shunt box (6), and a shunt ladder (7) is fixedly connected to the outer surface of the dam slope (3).

2. The curved stepped hydraulic and hydroelectric overflow dam of claim 1, wherein: the diversion ladder (7) comprises a first ladder (71) and a second ladder (72), and a circulation groove (73) is formed in the middle of the first ladder (71) and the middle of the second ladder (72).

3. The curved stepped hydraulic and hydroelectric overflow dam of claim 2, wherein: one end of the bottom of the first ladder (71) is fixedly connected to the top of the second ladder (72), and the first ladder (71) and the second ladder (72) are in a ladder shape.

4. The curved stepped hydraulic and hydroelectric overflow dam of claim 1, wherein: the drainage block (8) comprises a first drainage plate (81) and a second drainage plate (82), the first drainage plate (81) and the second drainage plate (82) are combined to form a triangular shape, and one side of the first drainage plate (81) and one side of the second drainage plate (82) are fixedly connected to one side of the shunt box (6).

5. The curved stepped hydraulic and hydroelectric overflow dam of claim 4, wherein: one side fixedly connected with first fixed block (83) of first drainage board (81) and second drainage board (82), spacing groove (84) has been seted up to one side of reposition of redundant personnel box (6), the inside fixedly connected with second fixed block (85) of spacing groove (84), the middle part swing joint of second fixed block (85) and first fixed block (83) has spacing post (86).

6. The curved stepped hydraulic and hydroelectric overflow dam of claim 5, wherein: the outside of spacing post (86) is provided with spring (87), the both ends overlap joint of spring (87) is in the inboard of first fixed block (83) and second fixed block (85).