Cofferdam device for water conservancy project river channel construction
By designing a jammable rectangular frame structure, the problem of soil backfill when the cofferdam is broken during river construction in water conservancy engineering is solved, and an efficient and flexible construction process is achieved, which improves construction efficiency and safety.
Patent Information
- Application Number
- CN202421176562.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing cofferdam installation for river construction in water conservancy projects requires a large amount of soil backfilling when it needs to be disconnected, which increases the workload and affects the construction efficiency.
A rectangular frame structure including a tapered base plate, a tapered column, a side plate and a cross beam is designed. The cavities and grooves of the rectangular frame are designed to form a snap-on structure. , avoid soil backfilling and build a platform to block water flow.
It realizes that there is no need for soil backfilling after the cofferdam is built, which improves construction efficiency and enhances construction flexibility and safety.
Smart Images

Figure CN222349728U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of water conservancy projects, and in particular to a cofferdam device for river channel construction of water conservancy projects. Background Art
[0002] The cofferdam device in the river construction of water conservancy projects is a temporary retaining structure, whose main purpose is to prevent water and soil from entering the construction site of the building, so as to drain water, excavate foundation pits and construct buildings within the cofferdam.
[0003] However, the existing cofferdam device for river channel construction of water conservancy projects needs to be backfilled with soil after the cofferdam is built when the river channel needs to be disconnected. This not only requires a large amount of soil, but also greatly increases the workload, thereby affecting the construction efficiency.
[0004] Therefore, it is very necessary to invent a cofferdam device for water conservancy project river construction. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a technical solution adopted by a cofferdam device for river channel construction of a water conservancy project: a cofferdam device for river channel construction of a water conservancy project, comprising a conical bottom plate, a conical column, a side plate one, a side plate two and a cross beam, wherein: the conical tip of the conical bottom plate is fixedly connected to the top end of the conical column, and one end of the conical bottom plate is fixedly connected to one end of the side plate one, and the other end of the conical bottom plate is fixedly connected to one end of the side plate two; one end of the cross beam is fixedly connected to the other end of the side plate one, and the other end of the cross beam is fixedly connected to the other end of the side plate two, and a rectangular frame is formed between the conical bottom plate, the conical column, the side plate one, the side plate two and the cross beam;
[0006] Preferably, a concave cavity is provided on the front side of the rectangular frame composed of the conical bottom plate, side panel 1, side panel 2 and the cross beam, and grooves are provided on both sides of the rear side of the rectangular frame composed of the conical bottom plate, side panel 1, side panel 2 and the cross beam, and a protrusion is formed between the two grooves; the protrusion is stuck in the concave cavity of another rectangular frame composed of the conical bottom plate, side panel 1, side panel 2 and the cross beam.
[0007] Preferably, a plurality of support plates are evenly and fixedly installed between the conical bottom plate and the cross beam.
[0008] Preferably, a plurality of anti-slip grooves are evenly distributed on the upper surface of the crossbeam.
[0009] Compared with the prior art, the advantages of the utility model are:
[0010] The overall arrangement of the utility model can form a platform after the cofferdam is built, thus effectively avoiding the trouble of backfilling with soil, thereby making the overall construction process more efficient, convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the construction structure of the utility model.
[0012] Figure 2 It is a schematic diagram of the concave cavity structure of the utility model.
[0013] Figure 3 It is a schematic diagram of the groove structure of the utility model.
[0014] In the figure:
[0015] Conical bottom plate 1, conical column 2, side plate 1 3, side plate 2 4, cross beam 5, concave cavity 6, groove 7, support plate 8, anti-skid groove 9. DETAILED DESCRIPTION
[0016] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0017] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.
[0018] The utility model is further described below in conjunction with the accompanying drawings:
[0019] Embodiment 1
[0020] Reference Figure 1-3, a cofferdam device for river channel construction of water conservancy project, comprising a conical bottom plate 1, a conical column 2, a side plate 1 3, a side plate 2 4 and a cross beam 5, wherein: the conical tip of the conical bottom plate 1 is fixedly connected to the top of the conical column 2, and the conical bottom plate 1 is arranged in cooperation with the conical column 2 so as to be inserted into the riverbed of the river channel. At the same time, after being inserted into the riverbed, the two sides of the conical tip of the conical bottom plate 1 can be fully in contact with the riverbed to prevent water from running from the bottom, and one end of the conical bottom plate 1 is fixedly connected to one end of the side plate 1 3, and the other end of the conical bottom plate 1 is fixedly connected to one end of the side plate 2 4; one end of the cross beam 5 is fixedly connected to the other end of the side plate 1 3, and the other end of the cross beam 5 is fixedly connected to the other end of the side plate 2 4, and a rectangular frame is formed between the conical bottom plate 1, the conical column 2, the side plate 1 3, the side plate 2 4 and the cross beam 5 so as to build a platform;
[0021] A concave cavity 6 is provided on the front side of the rectangular frame composed of the conical bottom plate 1, the side plate 1 3, the side plate 2 4 and the cross beam 5, and grooves 7 are provided on both sides of the rear side of the rectangular frame composed of the conical bottom plate 1, the side plate 1 3, the side plate 2 4 and the cross beam 5, and a bulge is formed between the two grooves 7; the bulge is stuck in the concave cavity 6 of another rectangular frame composed of the conical bottom plate 1, the side plate 1 3, the side plate 2 4 and the cross beam 5; through the arrangement of the concave cavity 6 and the groove 7, two adjacent rectangular frames can be tightly connected together, so that after building a cofferdam of the required length, the water in the river channel can be blocked to prevent water from escaping.
[0022] A plurality of support plates 8 are evenly and fixedly installed between the conical bottom plate 1 and the cross beam 5 so as to improve the overall support strength.
[0023] A plurality of anti-skid grooves 9 are evenly distributed on the upper surface of the crossbeam 5 to prevent workers from slipping when they walk on the crossbeam 5 , thereby ensuring the safety of the workers.
[0024] In this embodiment, when in use, according to the width of the river and the depth of the river, the cofferdam devices for river channel construction of the water conservancy project of appropriate number and height are selected, and then the cofferdam devices for river channel construction of the water conservancy project are fixed one by one from one bank of the river to the other bank in sequence; when fixing, the conical column 2 is inserted into the riverbed until both sides of the cone tip of the conical bottom plate 1 are fully in contact with the riverbed, and the concave cavity 6 is always facing the other bank of the river; finally, as shown in FIG. Figure 1 The protrusion of one rectangular frame is sequentially clamped in the concave cavity 6 of another rectangular frame to build a water-proof cofferdam platform.
[0025] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.
Claims
1. A cofferdam device for river channel construction of a water conservancy project, characterized in that: The invention comprises a conical bottom plate (1), a conical column (2), a side plate one (3), a side plate two (4) and a cross beam (5), wherein: the conical tip of the conical bottom plate (1) is fixedly connected to the top end of the conical column (2), and one end of the conical bottom plate (1) is fixedly connected to one end of the side plate one (3), and the other end of the conical bottom plate (1) is fixedly connected to one end of the side plate two (4); one end of the cross beam (5) is fixedly connected to the other end of the side plate one (3), and the other end of the cross beam (5) is fixedly connected to the other end of the side plate two (4); the conical bottom plate (1), the conical column (2), the side plate one (3), the side plate two (4) and the cross beam (5) form a rectangular frame; A concave cavity (6) is provided on the front side of a rectangular frame formed by the conical bottom plate (1), the first side plate (3), the second side plate (4) and the cross beam (5), and grooves (7) are provided on both sides of the rear side of the rectangular frame formed by the conical bottom plate (1), the first side plate (3), the second side plate (4) and the cross beam (5), respectively, and a protrusion is formed between the two grooves (7); the protrusion is clamped in the concave cavity (6) of another rectangular frame formed by the conical bottom plate (1), the first side plate (3), the second side plate (4) and the cross beam (5).
2. A cofferdam device for river channel construction of a hydraulic engineering project as claimed in claim 1, characterized in that: A plurality of support plates (8) are evenly and fixedly installed between the conical bottom plate (1) and the cross beam (5).
3. A cofferdam device for river channel construction of a hydraulic engineering project as claimed in claim 2, characterized in that: A plurality of anti-slip grooves (9) are evenly distributed on the upper surface of the crossbeam (5).