CN213173547U

CN213173547U - Height-variable flood control sub-dike

Info

Publication number: CN213173547U
Application number: CN202021263744.XU
Authority: CN
Inventors: 韩蕊
Original assignee: Engineering University of Chinese Peoples Armed Police Force
Current assignee: Engineering University of Chinese Peoples Armed Police Force
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-05-11
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a flood control sub-dike with variable height, which comprises a sub-dike unit, wherein the sub-dike unit comprises a base fabric, a near-water surface protection body, a middle protection body and a back-water surface protection body, the near-water surface protection body, the middle protection body and the back-water surface protection body are sequentially fixed on the upper side surface of the base fabric from left to right, the middle protection body is arranged close to the near-water surface protection body and is connected with the near-water surface protection body, and a distance is reserved between the middle protection body and the back-water surface protection body; the protecting body near the water surface is internally provided with an isolating layer which divides the inside of the protecting body near the water surface into an upper inflating bin and a lower inflating bin, the upper inflating bin and the middle protecting body are filled with water, the lower inflating bin and the protecting body near the water surface are filled with gas, a round hole is arranged on the base cloth and close to the left side of the protecting body near the water surface, and an anchor pile used for being connected with an original dike is arranged in the round hole. The utility model discloses light in weight, in the aspect of the transport, it is easy to dismantle to can be according to the high automatic change sub-dyke height of water level in the in-service use.

Description

Height-variable flood control sub-dike

Technical Field

The utility model belongs to the technical field of flood prevention, specifically relate to a highly variable flood control sub-dyke.

Background

Flood disasters occur almost every year in China, and huge economic losses and life risks are caused to people, so that the flood prevention work is very important. When the flood control standard of the dike is too low, or excessive flood water exceeding the standard is encountered, the water level in the river rises suddenly and exceeds the elevation of the top of the dike, and the overflow happens in time when the emergency is not in time, the sub-dike needs to be constructed. The most common sub-dike is a soil bag sub-dike which is mainly constructed by shoulder resistance, hand lifting and vehicle pushing of disaster relief personnel, so that time and labor are wasted, and even disaster relief personnel are sacrificed. Along with the development of science and technology, the subbank of standard has also now, mainly comprises the steel construction, and the heavy transport of quality is inconvenient, and the installation is dismantled relatively complicacy, highly unchangeable moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a highly changeable flood control sub-dyke, its light in weight, in the aspect of the transport, it is easy to dismantle to can be according to the high automatic change sub-dyke height of water level in the in-service use.

In order to achieve the above object, the utility model adopts the following technical scheme: a flood control sub-dike with variable height is characterized in that: the sub-dike unit comprises a base fabric, a waterside surface protection body, an intermediate protection body and a backside surface protection body, wherein the waterside surface protection body, the intermediate protection body and the backside surface protection body are sequentially fixed on the upper side surface of the base fabric from left to right; the utility model discloses a protection body of surface of water, including the surface of water protection body, the surface of water protection body is close to surface of water protection body, middle protection body and surface of water protection body are hollow structure, be provided with the isolation layer that will fall into upper portion storehouse and the lower part storehouse of filling water in the surface of water protection body, the storehouse is inflated on upper portion and the internal water of all filling of middle protection, the internal gas of all filling of lower part storehouse and surface of water protection, the left side that just is close to the surface of water protection body on the backer is provided with.

Foretell changeable flood control sub-dyke of height which characterized in that: the number of the sub-bank units is one.

Foretell changeable flood control sub-dyke of height which characterized in that: the number of the sub-dike units is multiple, and the sub-dike units are sequentially connected with one another.

Foretell changeable flood control sub-dyke of height which characterized in that: the sub-dike units are irregular in shape.

Foretell changeable flood control sub-dyke of height which characterized in that: the waterside surface protection body and the backwater surface protection body are both of cylindrical structures with the longitudinal section in a circular shape.

Foretell changeable flood control sub-dyke of height which characterized in that: the height of the back surface protection body is greater than that of the front surface protection body, and the volume of the back surface protection body is greater than that of the front surface protection body.

Foretell changeable flood control sub-dyke of height which characterized in that: the middle protective body is of a prismatic table structure with a right-angled trapezoid longitudinal section, and the water-facing surface of the middle protective body is an inclined surface.

Foretell changeable flood control sub-dyke of height which characterized in that: the distance L between the rightmost side of the middle protection body and the left side of the back water surface protection body is not more than the height H of the back water surface protection body.

Foretell changeable flood control sub-dyke of height which characterized in that: the height of the waterside surface protection body, the height of the middle protection body and the height of the waterside surface protection body are sequentially increased.

Foretell changeable flood control sub-dyke of height which characterized in that: the waterproof material is waterproof cloth.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses mainly adopt the waterproof material preparation, the quality is light, and installation transport is convenient, saves time and manpower, improves the sub-dyke efficiency of building greatly.

2. The utility model discloses highly can be along with the change of flood size, the automatic height that changes, the ability of blocking water is stronger.

3. The utility model discloses can reduce the casualties when the sub-dyke builds, safe swift, it is easy to dismantle simultaneously to can be according to the high automatic change sub-dyke height of water level in the in-service use.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural diagram of embodiment 1 of the present invention when the height of the flood level is increased.

Fig. 4 is a schematic structural diagram of embodiment 2 of the present invention.

Description of reference numerals:

1-a near-water surface protection body; 1-an upper inflatable bin; 1-2-a lower water filling bin;

2-intermediate protective body; 3-a back water surface protection body; 4-base cloth;

5, anchoring piles; 6, an isolation layer; 7-sub-dike unit.

Detailed Description

Example 1

As shown in fig. 1 and 2, a flood control sub-dike with a variable height comprises a sub-dike unit 7, wherein the sub-dike unit 7 is made of waterproof materials, the sub-dike unit 7 comprises a base fabric 4, a near-water surface protection body 1, a middle protection body 2 and a back-water surface protection body 3, the near-water surface protection body 1, the middle protection body 2 and the back-water surface protection body 3 are sequentially fixed on the upper side surface of the base fabric 4 from left to right, the near-water surface protection body 1 is positioned at the left side of the base fabric 4, the back-water surface protection body 3 is positioned at the right side of the base fabric 4, the middle protection body 2 is positioned between the near-water surface protection body 1 and the back-water surface protection body 3, the middle protection body 2 is arranged close to the near-water surface protection body 1 and connected with the near-water surface protection body 1, and a distance is reserved between; the near-water surface protection body 1, the middle protection body 2 and the back-water surface protection body 3 are all of hollow structures, an isolation layer 6 which divides the inside of the near-water surface protection body 1 into an upper inflating bin 1-1 and a lower inflating bin 1-2 is arranged in the near-water surface protection body 1, the upper inflating bin 1-1 and the middle protection body 2 are filled with water, the lower inflating bin 1-2 and the back-water surface protection body 3 are filled with gas, a round hole is formed in the base cloth 4 and is close to the left side of the back-water surface protection body 3, an anchor pile 5 used for being connected with an original dike is arranged in the round hole, and the anchor pile 5 can enable the back-water surface protection body 3 to be combined with the original dike more tightly.

The upper half part of the face protector 1 is isolated by the isolation layer 6, the lower half part is filled with water, and the upper half part is filled with air, so that the face protector can independently play a role in preventing water flow impact when the water level is low and the water flow is small; when the water level rises and the water flow is large, the protection body 1 on the water surface can float on the water surface because the upper half part is gas, and the height of the protection sub-embankment is increased. The middle protection body 2 is a fully-inflated protection body, can float on the water surface together with the near-water protection body 1 when the water level is high and the water flow is large, and can rise together with the near-water protection body 1 to automatically increase the height of the protection sub-dike and increase the water blocking capacity. The back surface protection body 3 is a circular protection body with a height greater than that of the front surface protection body 1, is completely filled with water, and plays a role in preventing bottom water flow when the front surface protection body 1 and the middle protection body 2 rise. In order to enable the back surface protection body 3 to be tightly combined with the original dam, a round hole is arranged on the base cloth 4 close to the back surface protection body 3, an anchor pile 5 is installed, and the back surface protection body 3 is fixed.

As shown in fig. 3, when the flood level is high and the water flow is large, the near-water surface protection body 1, the middle protection body 2 and the front half part of the base fabric 4 float on the water surface together under the action of the high water level, and form a protection sub-bank with an increased height together with the back-water surface protection body 3, so that the water resistance of the sub-bank is improved.

In this embodiment, the number of the sub-bank units 7 is one.

In this embodiment, the sub-bank unit 7 has an irregular shape.

In this embodiment, the face guard 1 and the back face guard 3 are cylindrical structures whose longitudinal cross-sectional shapes are circular, the height of the back face guard 3 is greater than that of the face guard 1, and the volume of the back face guard 3 is greater than that of the face guard 1.

In this embodiment, the middle protection body 2 is a prismoid structure with a right trapezoid longitudinal section. The near water surface of the middle protective body 2 is an inclined surface, so that the impact effect of water flow can be reduced.

In this embodiment, the distance L between the rightmost side of the middle protection body 2 and the left side of the back surface protection body 3 is not greater than the height H of the back surface protection body 3, so as to prevent the base fabric 4 from being damaged by the excessive water. The sub-dike can be spread by inflating and filling water, the length can reach about 20-30 m, the operation is rapid and convenient, and the efficiency is high.

In this embodiment, the height of the waterside surface protector 1, the middle protector 2 and the backside surface protector 3 is increased in sequence.

In this embodiment, the waterproof material is a waterproof cloth.

The utility model discloses a theory of operation does: when the level of flood is not high, the waterside surface protection body 1, the middle protection body 2 and the backside surface protection body 3 are all tightly attached to the original dike, and the waterside surface protection body 1 and the middle protection body 2 are mainly used as water blocking bodies. When the flood water level height constantly increases, the face of just swimming protection body 1 can float on the surface of water, and the middle protection body 2 of being connected rather than for aerifing the body, can float together, both will become the buoy, along with the increase of rivers constantly risees, until the backer 4 between middle protection body 2 and the face of backing protection body 3 is stretched out completely, the sub-dyke height improves like this, as shown in fig. 3, face of just swimming protection body 1, middle protection body 2 and face of backing protection body 3 all become the body of hindering water, increase flood control height and sub-dyke ability of blocking water.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the number of the sub-bank units 7 is plural, and the sub-bank units 7 are connected with each other in sequence. Specifically, in the present embodiment, the number of the sub-bank units 7 is three. Because the sub-dike units 7 are not regular rectangles, but a part of materials are respectively cut at two ends of the splicing part of the sub-dike units 7, when the adjacent sub-dike units 7 are connected, the sub-dike units 7 are connected in a staggered way, the connection is tighter, and the leakage of water flow from the connecting part can be effectively prevented.

In this embodiment, the structure, connection relationship, and operation principle of the remaining portions are the same as those of embodiment 1.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.

Claims

1. A flood control sub-dike with variable height is characterized in that: comprises a sub-dike unit (7), the sub-dike unit (7) is made of waterproof materials, the sub-dike unit (7) comprises a base fabric (4), a waterside surface protection body (1), a middle protection body (2) and a backside surface protection body (3), the waterside surface protection body (1), the middle protection body (2) and the backside surface protection body (3) are fixed on the upper side surface of the base fabric (4) from left to right in sequence, the waterside surface protection body (1) is positioned at the left side of the base fabric (4), the backwater surface protection body (3) is positioned at the right side of the base fabric (4), the middle protective body (2) is positioned between the near-water surface protective body (1) and the back-water surface protective body (3), the middle protective body (2) is arranged close to the waterside surface protective body (1) and is connected with the waterside surface protective body (1), a distance is reserved between the middle protective body (2) and the back water surface protective body (3); the waterside surface protection body (1), the middle protection body (2) and the waterside surface protection body (3) are all of hollow structures, an isolation layer (6) which divides the interior of the waterside surface protection body (1) into an upper inflating bin (1-1) and a lower inflating bin (1-2) is arranged in the waterside surface protection body (1), the upper inflating bin (1-1) and the middle protection body (2) are filled with water, the lower inflating bin (1-2) and the waterside surface protection body (3) are filled with gas, a round hole is formed in the bottom cloth (4) and is close to the left side of the waterside surface protection body (3), and an anchor pile (5) used for being connected with an original dike is arranged in the round hole;

the distance L between the rightmost side of the middle protection body (2) and the left side of the back water surface protection body (3) is not more than the height H of the back water surface protection body (3).

2. A variable height sub-dyke according to claim 1, wherein: the number of the sub-dike units (7) is one.

3. A variable height sub-dyke according to claim 1, wherein: the number of the sub-dike units (7) is multiple, and the sub-dike units (7) are sequentially connected with one another.

4. A variable height sub-dyke according to claim 1, 2 or 3, wherein: the waterside surface protection body (1) and the backside surface protection body (3) are both cylindrical structures with the longitudinal section being circular.

5. A variable height sub-dyke according to claim 4, wherein: the height of the back surface protection body (3) is greater than that of the front surface protection body (1), and the volume of the back surface protection body (3) is greater than that of the front surface protection body (1).

6. A variable height sub-dyke according to claim 1, 2 or 3, wherein: the middle protection body (2) is of a prismatic table structure with the longitudinal section in the shape of a right trapezoid, and the water-facing surface of the middle protection body (2) is an inclined surface.

7. A variable height sub-dyke according to claim 1, 2 or 3, wherein: the height of the waterside surface protection body (1), the height of the middle protection body (2) and the height of the waterside surface protection body (3) are increased in sequence.

8. A variable height sub-dyke according to claim 1, 2 or 3, wherein: the waterproof material is waterproof cloth.