Earth rock cofferdam active drainage device

Abstract

The utility model discloses an earth rock cofferdam active drainage device which comprises a plurality of rows of drainage collecting assemblies arranged on the downstream surface of an earth rock cofferdam in the transverse direction, and any row of drainage collecting assemblies comprises a plurality of collecting flow guide pipe assemblies connected in sequence. A connector is arranged between every two adjacent collection flow guide pipe assemblies. A plurality of longitudinal flow guide pipes are arranged between every two adjacent rows of drainage collecting assemblies; the longitudinal flow guide pipes are connected with the connectors in a one-to-one correspondence manner; the collecting flow guide pipe assembly comprises a transverse collecting flow guide pipe, a plurality of hollow anchor rods and a plurality of water inlet holes, wherein the transverse collecting flow guide pipe is attached and fixed to the downstream surface of the earth rock cofferdam in the transverse direction, one end of each hollow anchor rod is arranged in the earth rock cofferdam in the horizontal direction, and the other end of each hollow anchor rod is connected with the transverse collecting flow guide pipe; and the geotechnical cloth layer wraps the hollow anchor rod and shields the water inlet holes. By means of the scheme, the drainage device has the advantages of being simple in structure, reliable in drainage and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of earth-rock cofferdam drainage, in particular to an active drainage device for an earth-rock cofferdam. Background Art

[0002] Cofferdam refers to a temporary retaining structure built in the construction of a permanent water conservancy project. The earth-rock cofferdam 100 of the present technology is a temporary retaining structure built mainly for the construction of a water retaining dam. Since the earth-rock cofferdam 100 is a temporary facility and is built with nearby earth and stone, its geological stability is not as good as the stability of the original earth and stone in most cases. In addition, there is no drainage and diversion equipment downstream of the earth-rock cofferdam 100 in the prior art, and after long-term use, it may have the problem of collapse. Therefore, it is necessary to regularly inspect and maintain the earth-rock cofferdam 100 in the prior art.

[0003] Among them, in the Chinese invention patent with the patent publication number CN110761307A, entitled A seepage treatment structure and construction method for earth-rock cofferdam, multiple drainage pipes are laid along the riverbed above the underwater concrete to discharge the seepage water in the cofferdam. However, the drainage is mainly for the seepage treatment inside the earth-rock cofferdam, and the downstream surface of the earth-rock cofferdam is not drained. Often, after rainwater washes the downstream surface of the earth-rock cofferdam, soil and rocks slide to varying degrees. As time goes by, if it is not inspected and maintained, it will inevitably affect the service life of the earth-rock cofferdam.

[0004] Therefore, it is urgent to propose an active drainage device for the earth-rock cofferdam which has a simple structure, reliable drainage and can prevent rainwater from scouring the downstream surface of the earth-rock cofferdam. Utility Model Content

[0005] In view of the above problems, the purpose of the utility model is to provide an active drainage device for earth-rock cofferdam. The technical solution adopted by the utility model is as follows:

[0006] An active drainage device for an earth-rock cofferdam is arranged along the downstream surface of the earth-rock cofferdam, and comprises a plurality of rows of drainage collection assemblies arranged in a transverse direction on the downstream surface of the earth-rock cofferdam, wherein any row of drainage collection assemblies comprises a plurality of sequentially connected collection and guide pipe assemblies; a connector is arranged between two adjacent collection and guide pipe assemblies; a plurality of longitudinal guide pipes are arranged between two adjacent rows of drainage collection assemblies; and the longitudinal guide pipes are connected to the connectors in a one-to-one correspondence;

[0007] The collecting and guiding pipe assembly includes a transverse collecting and guiding pipe fixed to the downstream surface of the earth-rock cofferdam in the transverse direction, a plurality of hollow anchor rods with one end inserted into the earth-rock cofferdam in the horizontal direction and the other end connected to the transverse collecting and guiding pipe, a plurality of water inlet holes opened on the upper surface of the hollow anchor rods, and a geotextile layer wrapped on the hollow anchor rods and covering the water inlet holes.

[0008] Furthermore, the transverse collecting guide pipe includes an integrally formed first inclined plate, a first longitudinal plate, a first collecting U-shaped groove plate and a first outer arc plate, and a plurality of first connecting pipes arranged on the first longitudinal plate in a horizontal direction; the first inclined plate is arranged along the downstream surface of the earth-rock cofferdam; and the first connecting pipes are connected to the hollow anchor rods one by one.

[0009] Furthermore, the connecting head includes an integrally formed second inclined plate, a second longitudinal plate, a second collecting U-shaped trough plate and a second outer arc plate, an upper connecting hole opened on the second longitudinal plate, and a lower connecting pipe arranged at the bottom of the second collecting U-shaped trough plate along the downstream surface direction of the earth-rock cofferdam; the second inclined plate is attached to the outer side of the first inclined plate, the second longitudinal plate is attached to the outer side of the first longitudinal plate, the second collecting U-shaped trough plate is attached to the outer side of the first collecting U-shaped trough plate, and the second outer arc plate is attached to the outer side of the first outer arc plate; the upper connecting hole and the lower connecting pipe are connected to the longitudinal guide pipe.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] (1) The utility model sets several rows of drainage collection components on the downstream surface of the earth-rock cofferdam, each row is provided with several collection and diversion pipe components connected in sequence, and a longitudinal diversion pipe is provided between the upper and lower rows of drainage collection components. The utility model sets a hollow anchor rod, and sets several water inlet holes on the upper surface of the hollow anchor rod. Rainwater entering the downstream surface of the earth-rock cofferdam enters the water inlet holes, and is guided into the horizontal collection and diversion pipe by the hollow anchor rod for collection, and then drains and diverts by the longitudinal diversion pipe, thereby realizing the active drainage and discharge of rainwater on the downstream surface of the earth-rock cofferdam, and effectively preventing rainwater from scouring the downstream surface of the earth-rock cofferdam.

[0012] (2) The utility model is provided with an integrally formed first inclined plate, a first longitudinal plate, a first collecting U-shaped groove plate and a first outer arc plate, and an integrally formed second inclined plate, a second longitudinal plate, a second collecting U-shaped groove plate and a second outer arc plate, which are connected by sleeves and use upper connecting holes and lower connecting pipes for drainage connection.

[0013] In summary, the utility model has the advantages of simple structure and reliable drainage, and has high practical value and promotion value in the technical field of earth-rock cofferdam drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope of protection. For those skilled in the art, other relevant drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is the installation diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the utility model.

[0017] Figure 3 It is a structural schematic diagram of the collecting guide pipe assembly, the connecting head and the longitudinal guide pipe of the utility model.

[0018] Figure 4 It is a structural schematic diagram of the transverse collecting and guiding pipe of the utility model.

[0019] Figure 5 It is a structural schematic diagram of the connector of the utility model.

[0020] In the above drawings, the component names corresponding to the reference numerals are as follows:

[0021] 100. Earth-rock cofferdam; 1. Collecting guide pipe assembly; 2. Connector; 3. Longitudinal guide pipe; 11. Horizontal collecting guide pipe; 12. Hollow anchor rod; 13. Geotextile layer; 14. Water inlet hole; 111. First inclined plate; 112. First longitudinal plate; 113. First connecting pipe; 114. First collecting U-shaped groove plate; 115. First outer arc plate; 21. Second inclined plate; 22. Second longitudinal plate; 23. Second collecting U-shaped groove plate; 24. Second outer arc plate; 25. Upper connecting hole; 26. Lower connecting pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of this application clearer, the present invention is further described below in conjunction with the accompanying drawings and embodiments. The implementation methods of this utility model include but are not limited to the following embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0023] In this embodiment, the term "and / or" is merely a term used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone.

[0024] The terms "first" and "second" in the description and claims of this embodiment are used to distinguish different objects rather than to describe a specific order of objects. For example, a first target object and a second target object are used to distinguish different target objects rather than to describe a specific order of target objects.

[0025] In the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

[0026] In the description of the embodiments of the present application, unless otherwise specified, the meaning of "multiple" refers to two or more than two. For example, multiple processing units refer to two or more processing units; multiple systems refer to two or more systems.

[0027] like Figures 1 to 5 As shown, this embodiment provides an active drainage device for earth-rock cofferdam, which is arranged along the downstream surface of the earth-rock cofferdam 100. In this embodiment, the active drainage device for earth-rock cofferdam includes several rows of drainage collection components arranged on the downstream surface of the earth-rock cofferdam 100 in the transverse direction, and any row of drainage collection components includes several collection guide pipe components 1 connected in sequence, a connector 2 is arranged between two adjacent collection guide pipe components 1, and several longitudinal guide pipes 3 are arranged between two adjacent rows of drainage collection components, wherein the longitudinal guide pipes 3 are connected to the connectors 2 one by one. Among them, the outer end of the collection guide pipe component 1 at the end is blocked or the longitudinal guide pipe 3 is used for drainage. The longitudinal guide pipe 3 in the bottom row of drainage collection components is connected to the drainage ditch or discharged into the downstream waters of the earth-rock cofferdam 100, and the drainage ditch is arranged at the downstream bottom of the earth-rock cofferdam 100.

[0028] The collecting and guiding pipe assembly 1 includes a transverse collecting and guiding pipe 11 which is fixed to the downstream surface of the earth-rock cofferdam 100 in the transverse direction, a plurality of hollow anchor rods 12 which are placed in the earth-rock cofferdam 100 at one end in the horizontal direction and connected to the transverse collecting and guiding pipe 11 at the other end, a plurality of water inlet holes 14 which are provided on the upper surface of the hollow anchor rods 12, and a geotextile layer 13 which is wrapped on the hollow anchor rods 12 and shields the water inlet holes 14. In this embodiment, the transverse collecting and guiding pipe 11 includes an integrally formed first inclined plate 111, a first longitudinal plate 112, a first collecting U-shaped groove plate 114 and a first outer arc plate 115, and a plurality of first connecting pipes 113 which are arranged on the first longitudinal plate 112 in the horizontal direction. The first inclined plate 111 is arranged to fit the downstream surface of the earth-rock cofferdam 100, and the first connecting pipes 113 are connected to the hollow anchor rods 12 in a one-to-one correspondence.

[0029] In this embodiment, the connector 2 includes an integrally formed second inclined plate 21, a second longitudinal plate 22, a second collecting U-shaped groove plate 23, and a second outer arc plate 24, an upper connecting hole 25 provided on the second longitudinal plate 22, and a lower connecting pipe 26 provided at the bottom of the second collecting U-shaped groove plate 23 along the downstream surface direction of the earth-rock cofferdam 100. When the transverse collecting and guiding pipe 11 is connected to the connector 2, the second inclined plate 21 is attached to the outer side of the first inclined plate 111, the second longitudinal plate 22 is attached to the outer side of the first longitudinal plate 112, the second collecting U-shaped groove plate 23 is attached to the outer side of the first collecting U-shaped groove plate 114, and the second outer arc plate 24 is attached to the outer side of the first outer arc plate 115. The upper connecting hole 25 of the drainage collecting assembly of the next row is connected to the lower part of the longitudinal guiding pipe 3, and the lower connecting pipe 26 of the drainage collecting assembly of the previous row is connected to the upper part of the longitudinal guiding pipe 3.

[0030] The above embodiments are only preferred embodiments of the present utility model and are not intended to limit the protection scope of the present utility model. Any changes that adopt the design principles of the present utility model and are made through non-creative labor on this basis should fall within the protection scope of the present utility model.

Claims

1. An active drainage device for an earth-rock cofferdam, arranged along the downstream surface of an earth-rock cofferdam (100), characterized in that: The earth-rock cofferdam active drainage device comprises a plurality of rows of drainage collection components arranged in a transverse direction on the downstream surface of the earth-rock cofferdam (100), wherein any row of drainage collection components comprises a plurality of sequentially connected collection guide pipe components (1); a connector (2) is arranged between two adjacent collection guide pipe components (1); a plurality of longitudinal guide pipes (3) are arranged between two adjacent rows of drainage collection components; and the longitudinal guide pipes (3) are connected to the connectors (2) in a one-to-one correspondence; The collecting and guiding pipe assembly (1) comprises a transverse collecting and guiding pipe (11) fixedly attached to the downstream surface of the earth-rock cofferdam (100) in the transverse direction, a plurality of hollow anchor rods (12) with one end inserted into the earth-rock cofferdam (100) in the horizontal direction and the other end connected to the transverse collecting and guiding pipe (11), a plurality of water inlet holes (14) provided on the upper surface of the hollow anchor rods (12), and a geotextile layer (13) wrapped around the hollow anchor rods (12) and covering the water inlet holes (14).

2. The active drainage device for earth-rock cofferdam according to claim 1, characterized in that: The transverse collecting guide pipe (11) comprises an integrally formed first inclined plate (111), a first longitudinal plate (112), a first collecting U-shaped groove plate (114) and a first outer arc plate (115), and a plurality of first connecting pipes (113) arranged on the first longitudinal plate (112) in a horizontal direction; the first inclined plate (111) is arranged along the downstream surface of the earth-rock cofferdam (100); and the first connecting pipes (113) are connected to the hollow anchor rods (12) in a one-to-one correspondence.

3. The active drainage device for earth-rock cofferdam according to claim 2, characterized in that: The connector (2) comprises an integrally formed second inclined plate (21), a second longitudinal plate (22), a second collecting U-shaped groove plate (23) and a second outer arc plate (24), an upper connecting hole (25) provided on the second longitudinal plate (22), and a lower connecting pipe (26) arranged at the bottom of the second collecting U-shaped groove plate (23) along the downstream surface direction of the earth-rock cofferdam (100); the second inclined plate (21) is attached to the outer side of the first inclined plate (111), the second longitudinal plate (22) is attached to the outer side of the first longitudinal plate (112), the second collecting U-shaped groove plate (23) is attached to the outer side of the first collecting U-shaped groove plate (114), and the second outer arc plate (24) is attached to the outer side of the first outer arc plate (115); the upper connecting hole (25) and the lower connecting pipe (26) are connected to the longitudinal guide pipe (3).

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