Flood control device and flood control method

Abstract

The application discloses a flood prevention device and a flood prevention method. The flood prevention device is arranged on a dike bank. The flood prevention device comprises a flood prevention panel wall, a buoyancy device and a connecting arm. The dike bank comprises a containing groove. The flood prevention panel wall is movably arranged in the containing groove. The buoyancy device is arranged on the side of the dike bank facing a water body. The flood prevention panel wall is connected with the buoyancy device through the connecting arm. The buoyancy device is used for driving the flood prevention panel wall to move up and down in the containing groove under the action of buoyancy, so that the flood prevention panel wall is contained in the dike bank or protrudes from the surface of the dike bank. According to the application, the flood prevention panel wall can automatically rise and move down through the action of the buoyancy device. On one hand, the rising and moving down of the flood prevention panel wall can meet the actual flood prevention demand. On the other hand, the flood prevention device has a simple structure. The transmission mode is simple and easy to realize. In addition, the flood prevention device can avoid setting a complex water flow channel in the dike bank, and can reduce the construction amount of the dike bank.

Description

TECHNICAL FIELD

[0001] The present application relates to a flood control device and a flood control method. BACKGROUND

[0002] Throughout the long history of the coexistence of man and nature, flood disasters have posed a serious threat to the safety of people's lives and property, hindering the steady development of social economy. In recent years, in the process of rapid urbanization in China, the short board of urban flood control and drainage has become increasingly prominent, the frequency, intensity and urban losses of flood disasters have increased, and the demand for efficient river comprehensive regulation methods and reliable flood control technology is particularly urgent in various flood-stricken cities.

[0003] In the field of urban flood control technology, pre-set fixed height flood control buildings, temporary artificial flood control structures, and pre-set height adjustable flood control devices have been used in various flood control occasions. Among them, the pre-set fixed height flood control building destroys the beauty and water demand of the city, the temporary artificial flood control structure depends on the accuracy and timeliness of flood warning, and a large amount of manpower, material resources and financial resources are still needed to deal with sudden floods. The pre-set height adjustable flood control device is widely used because of its adjustable flood control height and hidden characteristics during non-flood season.

[0004] The existing automatic lifting flood control device directly applies water pressure to the bottom of the flood control wall, and directly pushes the flood control wall out by water pressure; but a complex water flow channel needs to be set on the embankment, and the construction engineering quantity of the embankment foundation is large. There is also a hydraulic piston assembly and a crank slider mechanism to convert the gravitational potential energy of water into driving power to lift the flood control wall, but the driving mechanism is complex and not easy to maintain. Similarly, there is also a water wheel and pulley block mechanism driven water power self-lifting flood control wall, but the driving mechanism is prone to failure under extreme conditions of flood disasters, resulting in failure of the flood control wall to lift.

[0005] In addition, the existing water power self-lifting flood control wall device does not set a protection structure, and under extreme conditions of flood disasters, floating objects impacted from the upstream are easy to directly impact on the flood control wall, causing damage to the flood control wall and even destruction, reducing the flood control safety. SUMMARY

[0006] The technical problem to be solved by the present application is to overcome the defects of the prior art that the transmission mechanism of the self-lifting flood control device is complex and the embankment water flow channel is complex, not easy to construct and maintain, and to provide a flood control device and a flood control method.

[0007] The present application solves the above technical problems by the following technical solutions:

[0008] The application discloses a flood prevention device, which is characterized in that the flood prevention device is arranged on a bank, and the flood prevention device comprises a flood prevention panel wall, a buoyancy device and a connecting arm; the bank comprises a containing groove, the flood prevention panel wall is movably arranged in the containing groove; the buoyancy device is arranged on a side of the bank facing a water body, and the flood prevention panel wall is connected with the buoyancy device through the connecting arm; and the buoyancy device is used for driving the flood prevention panel wall to move up and down in the containing groove under the action of buoyancy, so that the flood prevention panel wall is contained in the bank or protrudes from the surface of the bank.

[0009] In the application, the connecting arm connects the flood prevention panel wall with the buoyancy device, the buoyancy device floats or moves downward along with the water level of the water body, and the flood prevention panel wall can automatically rise and move downward under the action of the buoyancy device, so that on one hand, the rising and moving downward of the flood prevention panel wall can meet the actual flood prevention demand, and on the other hand, the flood prevention device has a simple structure, the transmission mode is simple and easy to realize, and the complicated water flow channel arranged in the bank can be avoided, and the construction amount of the bank can be reduced.

[0010] Preferably, the upper surface of the bank is provided with a T-shaped groove, the long side of the T-shaped groove is arranged along the length direction of the bank, and the T-shaped groove is used for containing the flood prevention panel wall; and the short side of the T-shaped groove is perpendicular to the length direction of the bank, and the short side of the T-shaped groove is used for containing the connecting arm.

[0011] In the application, the structure is used, and only the T-shaped groove needs to be arranged in the bank, so that the flood prevention device can be contained, the space required for the rising and lowering of the flood prevention panel wall is provided, and the construction amount of the foundation of the bank can be effectively reduced.

[0012] Preferably, the flood prevention device further comprises a guide pillar, the guide pillar is arranged in the bank and extends upwards to above the bank, and the guide pillar is used for the movement guidance of the flood prevention panel wall.

[0013] In the application, the guide pillar can provide the guidance for the rising and lowering of the flood prevention panel wall, so that the flood prevention panel wall can stably rise and lower.

[0014] Preferably, the two sides of the guide pillar are provided with guide grooves, and the two sides of the flood prevention panel wall are respectively connected with the opposite guide grooves of the guide pillars arranged adjacent to each other.

[0015] Preferably, a rubber waterstop is arranged at the connection position of the flood prevention panel wall and the guide pillar.

[0016] In the application, the rubber waterstop is arranged at the connection position of the flood prevention panel wall and the guide pillar, so that the flood prevention panel wall and the guide pillar can be sealed, and the flood prevention effect of the flood prevention device is further improved.

[0017] Preferably, a limiting block is further provided on the guiding pillar, and the limiting block is used to limit the maximum rising height of the flood control board wall.

[0018] In this solution, by providing a limiting block on the guiding pillar, the maximum rising height of the flood control board wall can be limited. During specific implementation, the limiting block can be provided at the top of the guiding pillar.

[0019] Preferably, the flood control board wall is a rectangular plate-like structure, including a frame, a skin, and a foam core; the foam core is arranged inside the frame, and the skin is fixed on the outer surface of the frame.

[0020] In this solution, by filling the foam core material inside the frame, the anti-collision performance of the flood control board wall can be improved; and by fixing the water-proof skin on the outer surface of the frame, the water-proof performance of the flood control board wall can be enhanced.

[0021] Preferably, the frame includes a plurality of square tubes connected horizontally and vertically, forming a "field" - shaped structure.

[0022] Preferably, the buoyancy device is a hollow floating box, and the maximum buoyancy of the floating box is greater than the upward movement force of the flood control board wall. The upward movement force of the flood control board wall at least includes the sum of the gravity of the floating box, the gravity of the connecting arm, the gravity of the flood control board wall, and the frictional resistance when the flood control board wall moves.

[0023] In this solution, the maximum buoyancy of the floating box is greater than the upward movement force of the flood control board wall, so that when the floating box is subjected to the buoyancy of the water body, it can带动 the flood control board wall to rise correspondingly, increasing the flood control height.

[0024] Preferably, the flood control device further includes a阻拦网 (barrier net), and the阻拦网 (barrier net) is arranged between two adjacent buoyancy devices.

[0025] In this solution, by arranging a阻拦网 (barrier net) between two adjacent buoyancy devices, the阻拦网 (barrier net) can move upward as the buoyancy device rises, so that various floating objects carried by the flood can be intercepted, preventing the floating objects in the water body from directly impacting the flood control board wall, and improving the anti-collision safety of the flood control board wall.

[0026] Preferably, the阻拦网 (barrier net) is a flat plate-like structure, and a number of through holes are evenly arranged on the阻拦网 (barrier net).

[0027] A flood control method, characterized in that the flood control method uses the flood control device as described above, and the flood control method includes:

[0028] A number of flood control board walls are accommodated in the embankment, the buoyancy device is arranged on the side of the embankment facing the water body, and is connected to the corresponding flood control board wall through a connecting arm;

[0029] With the rising of water level, the buoyancy of the floating device is increasing, when the buoyancy of the floating device is greater than the lifting force of the flood prevention panel wall, the floating device is floating with the water body, and drives the flood prevention panel wall to lift through the connecting arm;

[0030] When the water level drops, the buoyancy of the floating device is reduced, when the buoyancy of the floating device is less than the lifting force of the flood prevention panel wall, the floating device is lowered with the water body, and drives the flood prevention panel wall to lower through the connecting arm.

[0031] In the scheme, through the flood prevention method, the flood prevention panel wall can be lifted according to the actual flood prevention demand, and the structure of the flood prevention device is simple, the transmission mode is simple and easy to realize, the complex water flow channel in the embankment can be avoided, and the construction amount of the embankment can be reduced.

[0032] The positive progress effect of the application is that the connecting arm connects the flood prevention panel wall and the floating device, the floating device is floating or lowering with the water level of the water body, the flood prevention panel wall can be automatically lifted and lowered through the action of the floating device, so that on the one hand, the lifting and lowering of the flood prevention panel wall in the application can meet the actual flood prevention demand; on the other hand, the structure of the flood prevention device is simple, not only the transmission mode is simple and easy to realize, but also the complex water flow channel in the embankment can be avoided, and the construction amount of the embankment can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 The schematic view of the flood prevention device provided by the embodiment of the application is shown when the flood prevention panel wall is lifted in place in the flood season;

[0034] Figure 2 The schematic view of the flood prevention device provided by the embodiment of the application is shown when the flood prevention panel wall is in the initial retracted state in the non-flood season;

[0035] Figure 3 The schematic view of the embankment provided by the embodiment of the application is shown when the guiding pillar is installed;

[0036] Figure 4 The schematic view of the blocking net in the flood prevention device provided by the embodiment of the application is shown.

[0037] Marked with a legend:

[0038] Embankment 1

[0039] Guiding pillar 2

[0040] Flood prevention panel wall 3

[0041] Floating body box 4

[0042] Blocking net 5

[0043] Limiting block 6

[0044] connecting arm 7

[0045] T-shaped slot 8 DETAILED DESCRIPTION

[0046] The present application will be further described in the following by way of examples, but the present application is not limited to the scope of the examples.

[0047] The present application provides a flood prevention device, as shown in the accompanying drawings. Figures 1 to 3 The flood prevention device is arranged on the embankment 1, and comprises a flood prevention panel wall 3, a buoyancy device, and a connecting arm 7; the embankment 1 comprises a receiving slot, the flood prevention panel wall 3 is movably arranged in the receiving slot; the buoyancy device is arranged on the side of the embankment 1 facing the water body, and the flood prevention panel wall 3 is connected with the buoyancy device through the connecting arm 7; the buoyancy device is used to drive the flood prevention panel wall 3 to move up and down in the receiving slot under the action of buoyancy, so as to accommodate the flood prevention panel wall 3 in the embankment 1 or protrude from the surface of the embankment 1. The flood prevention panel wall 3 can be automatically lifted and lowered by the action of the buoyancy device, so that on the one hand, the lifting and lowering of the flood prevention panel wall 3 in the present application can meet the actual flood prevention demand; on the other hand, the structure of the flood prevention device is simple, not only the transmission mode is simple and easy to realize, but also the complex water flow channel in the embankment 1 can be avoided, and the construction amount of the embankment 1 can be reduced.

[0048] As shown in the accompanying drawings, Figure 1 In specific implementation, the flood prevention panel wall 3 is arranged along the length direction of the embankment 1 and arranged in the wall of the embankment 1, the buoyancy device is arranged on the side of the embankment 1 facing the water body and connected with the flood prevention panel wall 3 through the connecting arm 7, and the buoyancy device can be arranged in the water body. When the water level is high, the flood prevention panel wall 3 rises with the buoyancy device to increase the flood prevention height of the embankment 1; when the water level is low, the flood prevention of the embankment 1 can be realized by the embankment 1 itself, the flood prevention panel wall 3 and the connecting arm 7 are accommodated in the embankment 1, and the top end of the buoyancy device does not exceed the top end of the embankment 1.

[0049] As a preferred implementation, as shown in the accompanying drawings, Figures 1-3 The flood prevention device further comprises a guide pillar 2, the lower end of the guide pillar 2 is arranged in the embankment 1 and extends upward above the embankment 1, and the guide pillar 2 is used for the movement guidance of the flood prevention panel wall 3. Thus, the flood prevention panel wall 3 can stably rise and fall.

[0050] In specific implementation, the guide pillar 2 can be a columnar metal structure, the height of which is preferably more than twice the height of the flood prevention panel wall 3, and half of the height of the guide pillar 2 is below the road plane of the embankment 1.

[0051] As a preferred implementation, the two sides of the guide pillar 2 are provided with guide slots, and the two sides of the flood prevention panel wall 3 are respectively connected with the opposite guide slots of the adjacent guide pillars 2.

[0052] In a specific implementation, the flood prevention panel 3 can be provided with edges on both sides in the height direction, and the flood prevention panel 3 is in sliding fit with the guide groove through the edges, thereby moving up and down in the embankment 1.

[0053] As a preferred implementation, a rubber waterstop is provided at the connection between the flood prevention panel 3 and the guide pillar 2. The flood prevention panel 3 and the guide pillar 2 can be sealed, thereby further improving the flood prevention effect of the flood prevention device.

[0054] As a preferred implementation, as shown in Figure 1 and Figure 3 , a limiting block 6 is further provided on the guide pillar 2, and the limiting block 6 is used to limit the maximum rising height of the flood prevention panel 3. In a specific implementation, the limiting block 6 can be provided at the top end of the guide pillar 2. Through the limiting block 6, the flood prevention panel 3 can still be partially below the road plane of the embankment 1 at the maximum rising height.

[0055] In a specific implementation, a landscape decoration can be installed on the side of the guide pillar 2 where no guide groove is provided, thereby increasing the aesthetic appearance.

[0056] As a preferred implementation, as shown in Figure 3 , a T-shaped groove 8 is provided on the upper surface of the embankment 1, the long side of the T-shaped groove 8 is provided along the length direction of the embankment 1, and the T-shaped groove 8 is used to accommodate the flood prevention panel 3; the short side of the T-shaped groove 8 is perpendicular to the length direction of the embankment 1, and the T-shaped groove 8 is used to accommodate the connecting arm 7. Therefore, only the T-shaped groove 8 needs to be provided in the embankment 1 to accommodate the flood prevention device, thereby providing the space required for the flood prevention panel 3 to rise and fall, and effectively reducing the construction amount of the foundation of the embankment 1.

[0057] In a specific implementation, the T-shaped groove 8 is provided between two adjacent guide pillars 2, the long side of the T-shaped groove 8 is along the connecting line of the two adjacent guide pillars 2, the short side of the T-shaped groove 8 is along the perpendicular bisector of the connecting line of the two adjacent guide pillars 2 and points to the water side, thereby providing the space required for the connecting arm 7 to rise and fall. The width of the long side of the T-shaped groove 8 is close to the thickness of the flood prevention panel 3.

[0058] As a preferred implementation, as shown in Figure 1 and Figure 2As shown, the buoyancy device is the floating box 4. The floating box 4 is a box-shaped hollow shell structure, which can be made of plastics, rubber or composite materials with good weather resistance and low moisture absorption rate. Moreover, the rigidity and strength of the shell structure of the floating box 4 need to reliably bear the water buoyancy of the entire flood control device. Specifically, the maximum buoyancy of the floating box 4 is greater than the upward movement force of the flood control panel wall 3. The upward movement force of the flood control panel wall 3 at least includes the sum of the gravity of the floating box 4, the gravity of the connecting arm 7, the gravity of the flood control panel wall 3 and the frictional resistance when the flood control panel wall 3 moves. During actual implementation, other resistances may also need to be overcome, and corresponding settings can be made according to the actual situation. Thus, when the floating box 4 is subjected to water buoyancy, it can drive the flood control panel wall 3 to rise accordingly, increasing the flood control height.

[0059] As a preferred embodiment, as Figure 1 shown, the flood control panel wall 3 is a rectangular plate-like structure, including a frame, a skin and a foam core; the foam core is arranged inside the frame, and the skin is fixed on the outer surface of the frame. Thus, the anti-collision property and waterproof property of the flood control panel wall 3 are improved. During specific implementation, the water-proof skin can be made of fiber reinforced composite materials.

[0060] As a preferred embodiment, the frame includes a plurality of square tubes connected horizontally and vertically, forming a "field" - shaped structure. During specific implementation, the frame can be mechanically connected by three vertically placed rectangular square tubes and three horizontally arranged rectangular square tubes, presenting a "field" - shaped outer structure. The rectangular square tubes in the frame can be made of high-strength aluminum alloy materials.

[0061] As a preferred embodiment, the connecting arm 7 is a rectangular beam structure. The two ends of the connecting arm 7 are respectively connected to the middle of the surface of the floating box 4 close to the bank 1 and the middle of the surface of the flood control panel wall 3 close to the water body. The rigidity and strength of the connecting arm 7 should be sufficient to ensure reliable transmission of the load for the floating box 4 to drive the flood control panel wall 3 to move up and down.

[0062] As a preferred embodiment, as Figure 1 and Figure 2 shown, the flood control device further includes a blocking net 5. The blocking net 5 is arranged between adjacent two buoyancy devices. The blocking net 5 can move up as the buoyancy device rises, so as to intercept various floating objects carried by the flood, avoid the floating objects in the water body from directly impacting the flood control panel wall 3, and improve the anti-collision safety of the flood control panel wall 3.

[0063] As a preferred embodiment, as Figure 4 shown, the blocking net 5 is a flat plate-like structure, and a number of through holes are evenly arranged on the blocking net 5. The size of the through holes can be specifically set according to the actual situation. The size of the through holes should be able to block floating objects of a certain size, but will not cause too much resistance to the water flow.

[0064] Through the flood prevention device, the device adopts the form that the external floating device drives the flood prevention board wall 3 to lift, the device is simple in structure, the transmission principle is simple and easy to realize, the complex water flow channel in the embankment 1 is avoided, only the T-shaped groove 8 needs to be arranged in the embankment 1, the construction amount of the foundation of the embankment 1 can be effectively reduced. In addition, the blocking net 5 is preset between the external floating devices in the device, various types of floating objects carried by flood can be intercepted, the floating objects in the water body are prevented from directly impacting on the flood prevention board wall 3, and the anti-collision safety of the flood prevention board wall 3 is improved.

[0065] The embodiment of the application further provides a flood prevention method, the flood prevention method uses the flood prevention device, and the flood prevention method comprises the following steps:

[0066] The flood prevention board wall 3 is accommodated in the embankment 1, the floating device is arranged on the side of the embankment 1 facing the water body, and is connected with the corresponding flood prevention board wall 3 through the connecting arm 7.

[0067] With the rising of the water level, the floating force received by the floating device is continuously increased, when the floating force received by the floating device is greater than the lifting force of the flood prevention board wall 3, the floating device is floated with the water body, and drives the flood prevention board wall 3 to lift through the connecting arm 7, so that the flood prevention water level of the embankment 1 is improved, and the flood prevention effect is improved.

[0068] When the water level drops, the floating force received by the floating device is reduced, when the floating force received by the floating device is less than the lifting force of the flood prevention board wall 3, the floating device is lowered with the water body, and drives the flood prevention board wall 3 to lower through the connecting arm 7, until the flood prevention board wall 3 is lowered to below the road plane of the embankment 1.

[0069] Through the flood prevention method, the flood prevention board wall 3 can be lifted according to the actual flood prevention demand, the structure of the flood prevention device is simple, the transmission mode is simple and easy to realize, the complex water flow channel in the embankment 1 can be avoided, and the construction amount of the embankment 1 can be reduced.

[0070] Although the specific embodiments of the application are described above, those skilled in the art should understand that this is only an example, the protection scope of the application is defined by the appended claims. Those skilled in the art can make various changes or modifications to the embodiments without departing from the principles and essence of the application, and the changes and modifications all fall within the protection scope of the application.

Claims

1. A flood prevention device, characterized in that, The flood control device is arranged on the embankment. The flood control device includes a flood control plate wall, a buoyancy device and a connecting arm. The embankment includes a receiving groove, and the flood control plate wall is movably arranged in the receiving groove. The buoyancy device is arranged on the side of the embankment facing the water body, and the flood control plate wall is connected to the buoyancy device through the connecting arm. The buoyancy device is used to drive the flood control plate wall to move up and down in the receiving groove under the action of buoyancy, so that the flood control plate wall is accommodated in the embankment or protrudes from the surface of the embankment. A T-shaped groove is provided on the upper surface of the embankment. The long side of the T-shaped groove is arranged along the length direction of the embankment for accommodating the flood control plate wall. The short side of the T-shaped groove is perpendicular to the length direction of the embankment for accommodating the connecting arm. The buoyancy device is a hollow floating box, and the floating box is arranged on the outer surface of the embankment facing the water body so that the floating box is arranged in the water body. The flood control device further includes a guiding pillar. The guiding pillar is arranged in the embankment and extends upward above the embankment. The guiding pillar is used for guiding the movement of the flood control plate wall. The height of the guiding pillar exceeds twice the height of the flood control plate wall, and half of the height of the guiding pillar is below the embankment road plane.

2. The flood control device of claim 1, wherein, Guiding grooves are provided on both sides of the guiding pillar, and both sides of the flood control plate wall are respectively connected to the opposite guiding grooves on the adjacent guiding pillars arranged adjacent to each other.

3. The flood control device of claim 2, wherein, A rubber water stop is provided at the connection between the flood control plate wall and the guiding pillar. And / or, a limiting block is further provided on the guiding pillar. The limiting block is used to limit the maximum rising height of the flood control plate wall.

4. The flood control device of claim 1, wherein, The flood control plate wall is a rectangular plate-like structure, including a frame, a skin and a foam core. The foam core is arranged in the frame, and the skin is fixed on the outer surface of the frame.

5. The flood control device of claim 4, wherein, The frame includes a plurality of square tubes connected horizontally and vertically, forming a "field" - shaped structure.

6. The flood control device of claim 1, wherein, The maximum buoyancy of the floating box is greater than the upward movement force of the flood control plate wall. The upward movement force of the flood control plate wall at least includes the sum of the gravity of the floating box, the gravity of the connecting arm, the gravity of the flood control plate wall and the frictional resistance during the movement of the flood control plate wall.

7. The flood control device of claim 1, wherein, The flood control device further includes a blocking net, and the blocking net is arranged between two adjacent buoyancy devices.

8. The flood control device of claim 7, wherein, The blocking net is a flat plate-like structure, and a number of through holes are evenly provided on the blocking net.

9. A method of flood control, characterized by, The flood control method uses the flood control device according to any one of claims 1 - 8. The flood control method includes: A number of flood control plate walls are accommodated in the embankment. The buoyancy device is arranged on the side of the embankment facing the water body and is connected to the corresponding flood control plate wall through a connecting arm. As the water level rises, the buoyancy received by the buoyancy device continuously increases. When the buoyancy received by the buoyancy device is greater than the upward movement force of the flood control plate wall, the buoyancy device floats with the water body and drives the flood control plate wall to move upward through the connecting arm. When the water level drops, the buoyancy received by the buoyancy device decreases. When the buoyancy received by the buoyancy device is less than the upward movement force of the flood control plate wall, the buoyancy device descends with the water body and drives the flood control plate wall to move downward through the connecting arm.

Images