Steel sheet pile cofferdam structure

Abstract

The utility model provides a steel sheet pile cofferdam structure, which relates to the technical field of water conservancy construction and comprises steel sheet pile bodies, connecting wing plates, supporting rib plates and cofferdam steel plates. The steel sheet pile body is vertically installed on the river channel ground, the outer blocking body is vertically and fixedly arranged on the edge of one end of the steel sheet pile body, the connecting bases are vertically and fixedly arranged on the edge of the other end of the steel sheet pile body in a bilateral symmetry mode, and the connecting bases and the steel sheet pile body form a T-shaped structure. The side walls of the left end and the right end, close to the connecting base, of the steel sheet pile body are rotationally connected with connecting wing plates through hinged shafts correspondingly, and the connecting wing plates are made of steel plates. Supporting rib plates are arranged between the connecting wing plates and the outer blocking body in an inclined supporting mode. The T-shaped structure formed by the connecting seat and the steel sheet pile bodies not only optimizes the connecting mode between the pile bodies and improves the connecting strength, but also provides great convenience for the installation and disassembly of subsequent parts. By means of the design, the integrity of the structure is guaranteed, and the flexibility and efficiency of construction are both considered.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy construction, in particular to a steel sheet pile cofferdam structure. Background Art

[0002] During hydraulic construction, existing steel sheet pile cofferdam structures often feature a rigid and complex connection method between the wing plates and the steel sheet pile body, which limits the flexibility and adjustability of the cofferdam structure. Traditional connection methods, which can involve cumbersome bolting or welding processes, not only increase construction difficulty and time costs but can also lead to damage to the joints due to stress concentration over long-term use.

[0003] Furthermore, the connecting wing panels typically occupy a large space during transportation and storage, which poses significant challenges to both space management and logistics on the construction site. This is particularly true when long-distance transportation is required or storage space is limited. Utility Model Content

[0004] The utility model relates to a steel sheet pile cofferdam structure, which solves the problem that the number of traditional supporting ribs may be fixed and the positions cannot be adjusted, making it difficult to adapt to the cofferdam stability requirements under different geological conditions and hydrological environments.

[0005] In a first aspect, the present invention provides a steel sheet pile cofferdam structure, specifically comprising: a steel sheet pile body, a connecting wing plate, a supporting rib plate, and a cofferdam steel plate; the steel sheet pile body is vertically installed on the riverbed, an outer baffle is vertically fixed to an edge of one end of the steel sheet pile body, and a connecting seat is vertically fixed to an edge of the other end of the steel sheet pile body symmetrically, and the connecting seat and the steel sheet pile body form a T-shaped structure;

[0006] The left and right side walls of the steel sheet pile body close to the connecting seat are respectively connected to connecting wing plates through hinge shafts, and the connecting wing plates are made of steel plates; supporting ribs are obliquely supported between the connecting wing plates and the outer block body;

[0007] The steel sheet pile body, the connecting wing plate and the supporting rib plate form a positioning pile, and the cofferdam steel plates are clamped between the positioning piles.

[0008] Optionally, a protruding positioning strip is vertically provided at the middle of the side wall of one end of the connecting seat away from the outer blocking body.

[0009] Optionally, a semicircular hinged movable groove is provided at a position corresponding to the hinged end of the connecting seat and the connecting wing plate, and the hinged movable groove provides sufficient space for the rotational movement of the connecting wing plate.

[0010] Optionally, the connecting wing plate is provided with a connecting buckle end away from the hinged end, and an end of the connecting buckle end away from the outer baffle is provided with a U-shaped groove, and the groove is engaged with the cofferdam steel plate;

[0011] The other end of the connecting buckle end is outwardly protruding, and the outwardly protruding connecting buckle end cooperates with the outer blocking body to clamp the supporting rib.

[0012] Optionally, a positioning pile is also provided on the outer middle part of the cofferdam steel plate, and a pair of plug plates are vertically fixed symmetrically on the left and right side walls opposite to the connecting seat, and the plug plates are embedded in the corresponding grooves at the end of the connecting buckle; a positioning slot is vertically opened at the middle position of the outer side of the cofferdam steel plate, and the positioning slot corresponds to the positioning strip on the corresponding connecting seat.

[0013] The utility model provides a steel sheet pile cofferdam structure, which has the following beneficial effects:

[0014] First of all, the steel sheet pile body serves as a solid main support and is installed vertically on the riverbed. It not only stabilizes the foundation, but also significantly enhances the ability of the single pile to resist the impact of water flow through the addition of an external retaining body, ensuring the stability and safety of the cofferdam structure in harsh hydrological environments.

[0015] Secondly, the T-shaped structure formed by the connecting seat and the steel sheet pile body not only optimizes the connection between the pile bodies and improves the connection strength, but also greatly facilitates the installation and removal of subsequent components. This design not only ensures the integrity of the structure, but also takes into account the flexibility and efficiency of construction.

[0016] The connecting wings are flexibly connected to the connecting seat via hinges, achieving the dual advantages of foldability and quick assembly. During transport, the connecting wings can be compactly stowed to save space; during assembly, they can be quickly unfolded and secured to form a stable structural unit. Furthermore, the diagonal bracing design of the supporting ribs not only enhances the connection between the connecting wings and the steel sheet piles, but also allows the number of supporting ribs to be adjusted according to actual needs to meet different cofferdam stability requirements, demonstrating the design's flexibility and practicality.

[0017] The ingenious design of the cofferdam steel plates elevates the structural stability and connection efficiency to new heights. The precise engagement of the insert plates with the grooves at the end of the connector buckles ensures a tight connection between the cofferdam steel plates and the positioning piles. The matching of the positioning slots and positioning strips further enhances the overall stability and accuracy of the cofferdam structure. This modular and standardized connection method not only simplifies the construction process, improves work efficiency, but also effectively reduces construction costs.

[0018] In summary, the steel sheet pile cofferdam structure of this embodiment, with its stable foundation support, flexible connection method, high assembly efficiency and adjustable support strength, provides a comprehensive and reliable technical solution for the cofferdam construction of water conservancy projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0020] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached figure:

[0022] Figure 1 Shows a schematic diagram of the first axial view of the present invention;

[0023] Figure 2 The figure shows the schematic diagram of the utility model in the axial view of the split state;

[0024] Figure 3 It shows an axial structural schematic diagram of the steel sheet pile body, connecting wing plates and supporting rib plates in a separated state according to the present invention;

[0025] Figure 4 The figure shows the axial structural schematic diagram of the connecting wing plate of the present invention in the folded state.

[0026] Reference Signs List

[0027] 1. Steel sheet pile body; 101. Outer block; 102. Connecting seat; 1021. Articulated movable groove; 1022. Positioning clip;

[0028] 2. Connecting wing plate; 201. Connecting buckle end;

[0029] 3. Support ribs;

[0030] 4. Cofferdam steel plate; 401. Insert plate; 402. Positioning slot. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] Example 1: Please refer to Figures 1 to 4 :

[0033] The utility model proposes a steel sheet pile cofferdam structure, comprising: a steel sheet pile body 1, a connecting wing plate 2, a supporting rib plate 3 and a cofferdam steel plate 4; the steel sheet pile body 1 is vertically installed on the riverbed, an outer baffle 101 is vertically fixed at the edge of one end of the steel sheet pile body 1, and a connecting seat 102 is vertically fixed at the edge of the other end of the steel sheet pile body 1 in a symmetrical manner, and the connecting seat 102 and the steel sheet pile body 1 form a T-shaped structure;

[0034] The left and right side walls of the steel sheet pile body 1 near the connecting seat 102 are respectively connected to connecting wing plates 2 through hinge shafts. The connecting wing plates 2 are made of steel plates. Support ribs 3 are diagonally supported between the connecting wing plates 2 and the outer block body 101.

[0035] The steel sheet pile body 1, the connecting wing plate 2 and the supporting rib plate 3 form a positioning pile, and the cofferdam steel plate 4 is clamped between the positioning piles.

[0036] A protruding positioning strip 1022 is vertically provided on the middle portion of the side wall of the connecting seat 102 away from the outer blocking body 101 .

[0037] A semicircular hinged movable groove 1021 is provided at a position corresponding to the hinged end of the connecting seat 102 and the connecting wing plate 2 , and the hinged movable groove 1021 provides sufficient space for the connecting wing plate 2 to rotate.

[0038] The connecting wing plate 2 is provided with a connecting buckle end 201 away from the hinge end, and the end of the connecting buckle end 201 away from the outer block 101 is provided with a U-shaped groove, and the groove is engaged with the cofferdam steel plate 4;

[0039] The other end of the connecting buckle end 201 is protruding outwards, and the protruding connecting buckle end 201 cooperates with the outer blocking body 101 to clamp the supporting rib 3.

[0040] Example 2. On the basis of Example 1, a positioning pile is also provided on the outer middle part of the cofferdam steel plate 4. A pair of insert plates 401 are vertically fixed symmetrically on the left and right side walls opposite to the connecting seat 102. The pair of insert plates 401 are embedded in the corresponding grooves of the connecting buckle ends 201. A positioning slot 402 is vertically opened at the middle position of the outer side of the cofferdam steel plate 4. The positioning slot 402 corresponds to the positioning strip 1022 on the corresponding connecting seat 102.

[0041] The working principle of this embodiment is as follows:

[0042] The steel sheet pile 1, serving as the main structure, is installed vertically on the riverbed, ensuring structural stability while also enhancing the pile's resistance to water flow impact through the provision of an outer retaining member 101. The connecting seat 102 cleverly forms a T-shaped structure with the steel sheet pile 1, increasing the strength of the connection between the piles and facilitating the installation of subsequent components.

[0043] The connecting wing 2 is connected to the connecting seat 102 on the steel sheet pile body 1 via a hinge, enabling flexible rotation. This design allows the connecting wing 2 to be stowed and folded for easy transportation, allowing for quick assembly and excellent strength and water-blocking performance after assembly. Furthermore, the diagonal bracing provided by the supporting ribs 3 further strengthens the connection between the connecting wing 2 and the steel sheet pile body 1, enhancing the stability of the entire cofferdam structure. Furthermore, the supporting ribs 3 are vertically removable, making it easy to add or reduce the number of supporting ribs 3 to meet the cofferdam's stability requirements.

[0044] During cofferdam construction, multiple positioning piles are connected by snapping onto the cofferdam steel plate 4. The design of the cofferdam steel plate 4 is equally ingenious, with the insert plates 401 precisely snapping into the grooves of the connecting buckle ends 201 of the connecting wing plates 2, ensuring a secure connection between the cofferdam steel plate 4 and the positioning piles. The positioning slots 402 on the outer sides of the cofferdam steel plate 4 mate with the positioning strips 1022 on the connecting seat 102, further ensuring the overall stability and accuracy of the cofferdam structure.

[0045] In this article, there are several points to note:

[0046] 1. The drawings of the embodiments of the present invention only relate to the structures related to the embodiments of the present invention. Other structures may refer to conventional designs.

[0047] 2. In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to form new embodiments.

[0048] The above are merely specific embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any modifications or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A steel sheet pile cofferdam structure, characterized in that: include: A steel sheet pile body (1), a connecting wing plate (2), a supporting rib plate (3) and a cofferdam steel plate (4); the steel sheet pile body (1) is vertically installed on the riverbed, an outer retaining body (101) is vertically fixed at an edge of one end of the steel sheet pile body (1), and a connecting seat (102) is vertically fixed at an edge of the other end of the steel sheet pile body (1) in a symmetrical manner, and the connecting seat (102) and the steel sheet pile body (1) form a T-shaped structure; The left and right side walls of the steel sheet pile body (1) close to the connecting seat (102) are respectively connected to connecting wing plates (2) through hinge shafts, and the connecting wing plates (2) are made of steel plates; a supporting rib (3) is diagonally supported between the connecting wing plates (2) and the outer block body (101); The steel sheet pile body (1), the connecting wing plate (2) and the supporting rib plate (3) form a positioning pile, and the cofferdam steel plate (4) is clamped between the positioning piles.

2. A steel sheet pile cofferdam structure according to claim 1, characterized in that: An outwardly protruding positioning clip (1022) is vertically provided in the middle of the side wall of one end of the connecting seat (102) away from the outer blocking body (101).

3. The steel sheet pile cofferdam structure according to claim 1, characterized in that: A semicircular hinged movable groove (1021) is provided at a position of the connecting seat (102) corresponding to the hinged end of the connecting wing plate (2), and the hinged movable groove (1021) provides sufficient space for the rotational movement of the connecting wing plate (2).

4. The steel sheet pile cofferdam structure according to claim 2, characterized in that: The connecting wing plate (2) is provided with a connecting buckle end (201) away from the hinged end, and the end of the connecting buckle end (201) away from the outer retaining body (101) is provided with a U-shaped groove, and the groove is engaged with the cofferdam steel plate (4); The other end of the connecting buckle end (201) is protruding outwards, and the protruding connecting buckle end (201) cooperates with the outer blocking body (101) to clamp the supporting rib (3).

5. The steel sheet pile cofferdam structure according to claim 4, characterized in that: A positioning pile is also provided on the outer side of the middle of the cofferdam steel plate (4), and a pair of plug plates (401) are fixed vertically and symmetrically on the side walls of the cofferdam steel plate (4) opposite to the connecting seat (102), and the pair of plug plates (401) are embedded in the grooves of the corresponding connecting buckle ends (201); a positioning card groove (402) is vertically opened at the middle position of the outer side of the cofferdam steel plate (4), and the positioning card groove (402) corresponds to the positioning card strip (1022) on the corresponding connecting seat (102).

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