Water retaining cofferdam structure

Abstract

The utility model relates to the field of hydraulic engineering, in particular to a water retaining cofferdam structure which comprises a bottom column, a corner pile is arranged on the upper side of the bottom column, a plurality of steel pipe piles are arranged on the outer side of the corner pile, connecting mechanisms are arranged on the outer side of the corner pile and the outer sides of the steel pipe piles, and inner supporting plates are arranged on the inner sides of the steel pipe piles. A plurality of inner supporting plates are arranged, and reinforcing mechanisms are arranged on the inner sides of the inner supporting plates, a stable enclosure structure is formed by arranging the bottom columns, the corner piles, the steel pipe piles and the inner supporting plates, external pressure and deformation can be effectively resisted, the stability of the whole structure is improved, and the reinforcing mechanisms are used, so that the stability of the whole structure is improved. Particularly, the bearing capacity of the inner supporting plates and the steel pipe piles is remarkably enhanced through the combination of the reinforcing steel pipes and the enclosing purlin stiffening rib plates, the stability of the structure is further improved, and the connection mechanism adopts the combination of CT-shaped locking blocks and connectors, so that the connection between the steel pipe piles becomes simple and rapid.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydraulic engineering, especially relates to a water retaining cofferdam structure. BACKGROUND

[0002] The water retaining cofferdam is a temporary water retaining building for protecting the dry land construction of the dam or the powerhouse and other hydraulic structures, and sometimes is combined with the main body engineering to become part of the permanent engineering. The main function is to protect the construction position and the construction site of the permanent building to prevent water and soil from entering, effectively avoid the interference of water and soil to the construction, thereby speeding up the progress of the foundation pit excavation and the concrete pouring and ensuring the quality.

[0003] Through the retrieval, in the prior art, Chinese patent publication number: CN221798484U, authorization day: October 1, 2024, discloses a kind of water retaining cofferdam structures, including fixed water retaining plate and movable water retaining plate, movable water retaining plate is movably arranged in the front side of fixed water retaining plate, movable water retaining plate front side is transversely provided with lifting floating plate, lifting floating plate bottom is uniformly provided with multiple groups of floating platform, movable water retaining plate rear side and fixed water retaining plate connecting place are provided with support mechanism plate.The utility model can realize the automatic height adjustment of water retaining cofferdam by the lifting floating plate, which can automatically adjust the height of movable water retaining plate with water level change, without manual adjustment in the field, can timely retain water, improve the operation convenience and safety, and the multiple floating platforms increase the buoyancy of lifting floating plate, which can increase the stability of water retaining cofferdam and keep the stability of movable water retaining plate during water level rising.

[0004] But the device still has the following defects: although the movement of the fixed water retaining plate can be realized, the internal part of the device is not provided with a reinforcing structure during use, which makes the firmness of the device not high during use, and when used for bridge construction, it still has certain instability, which affects the installation of the subsequent main pier column when blocking water. UTILITY MODEL CONTENTS

[0005] In view of the above problems, the utility model provides a kind of water retaining cofferdam structures, including bottom column, the upper side of the bottom column is provided with angle pile, the outer side of the angle pile is provided with steel pipe pile, and the steel pipe pile is provided with multiple, and the outer side of the angle pile and the outer side of multiple steel pipe piles are all provided with connecting mechanism, the inner side of multiple steel pipe piles is provided with inner bracing, the inner bracing is provided with multiple, the inner side of multiple inner bracing is all provided with reinforcing mechanism, and multiple reinforcing mechanisms are identical in structure, and multiple reinforcing mechanisms and multiple inner bracing are one-to-one corresponding;

[0006] The reinforcing mechanism comprises a surrounding purlin stiffening rib plate fixedly connected to the inner side of the inner support plate, one side of the surrounding purlin stiffening rib plate is fixedly connected with a reinforcing steel pipe, and the reinforcing steel pipe is arranged in an inclined manner.

[0007] Further, the connecting mechanism comprises a CT type lock block and a connector fixedly connected to the outer side of the steel pipe pile.

[0008] Further, the inner side of the inner support plate is fixedly connected with an inner support stiffening triangular plate, and the inner support stiffening triangular plate is fixedly connected to the outer side of the surrounding purlin stiffening rib plate and the reinforcing steel pipe.

[0009] Further, the inner side of the inner support plate is further fixedly connected with a stiffening angle plate, and the stiffening angle plate is used for reinforcing the inner support plate.

[0010] Further, the inner side of the bottom column is provided with a pile cap pile, and the pile cap pile is provided with a plurality of pile cap blocks.

[0011] Further, the lower side of each of the plurality of inner support plates is fixedly connected with a first reinforcing inclined plate and a second reinforcing inclined plate, and one side of each of the first reinforcing inclined plate and the second reinforcing inclined plate is connected with the steel pipe pile.

[0012] Further, the connecting mechanism arranged on the outer side of the corner pile is arranged at an angle of 90 degrees, and the connecting mechanism arranged on the outer side of the steel pipe pile is arranged at an angle of 180 degrees.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. In the device, the bottom column, the corner pile, the steel pipe pile and the inner support plate are arranged to form a stable enclosure structure, which can effectively resist external pressure and deformation, improve the stability of the overall structure, and the use of the reinforcing mechanism, especially the combination of the reinforcing steel pipe and the surrounding purlin stiffening rib plate, significantly enhances the load-bearing capacity of the inner support plate and the steel pipe pile, further improves the stability of the structure, and the combination of the CT type lock block and the connector makes the connection between the steel pipe piles simple and fast.

[0015] 2. In the device, the stiffening angle plate is arranged at the angle of the inner support plate, which can further improve the stability of the inner support plate during use, and the pile cap pile and the pile cap block can be used to install the main pier column that needs to be installed subsequently, and the first reinforcing inclined plate and the second reinforcing inclined plate can be connected with the steel pipe pile to improve the stability of the inner support plate during use.

[0016] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 A structural body diagram according to an embodiment of the present application is shown;

[0019] Figure 2 A top view structural schematic diagram according to an embodiment of the present application is shown;

[0020] Figure 3 An enlarged structural schematic diagram according to the present application Figure 2 is shown at A;

[0021] Figure 4 A sectional view structural schematic diagram according to an embodiment of the present application is shown;

[0022] Figure 5 A structural schematic diagram of a CT type lock block and a joint according to an embodiment of the present application is shown;

[0023] Figure 6 A structural schematic diagram of a second reinforcing inclined plate and a first reinforcing inclined plate according to an embodiment of the present application is shown;

[0024] Figure 7 A structural schematic diagram of a plurality of inner support plates according to an embodiment of the present application is shown.

[0025] In the figure: 1, bottom column; 21, angle pile; 22, steel pipe pile; 23, inner support plate; 3, connecting mechanism; 31, CT type lock block; 32, joint; 4, reinforcing mechanism; 41, surrounding purlin stiffening rib plate; 42, reinforcing steel pipe; 5, reinforcing angle plate; 6, inner support reinforcing triangular plate; 71, pile foundation of pile cap; 72, pile cap block; 81, first reinforcing inclined plate; 82, second reinforcing inclined plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely explained in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] The utility model embodiments provide a kind of water retaining cofferdam structure, including bottom column 1, exemplary, as shown in Figure 1 And Figure 2 As shown.

[0028] The upper side of the bottom column 1 is provided with angle pile 21, the outer side of the angle pile 21 is provided with steel pipe pile 22, and the steel pipe pile 22 is provided with multiple, and the outer side of the angle pile 21 and the outer side of multiple steel pipe piles 22 are provided with connecting mechanism 3, the inner side of multiple steel pipe piles 22 is provided with inner bracing plate 23, the inner bracing plate 23 is provided with multiple, the inner side of multiple inner bracing plates 23 is provided with reinforcing mechanism 4, and multiple reinforcing mechanisms 4 are identical in structure, and multiple reinforcing mechanisms 4 and multiple inner bracing plates 23 correspond one by one.

[0029] The reinforcing mechanism 4 includes the surrounding purlin stiffened rib plate 41 fixedly connected to the inner side of the inner bracing plate 23, one side of the surrounding purlin stiffened rib plate 41 is fixedly connected with reinforcing steel pipe 42, and the reinforcing steel pipe 42 is inclinedly arranged.

[0030] The connecting mechanism 3 includes CT type lock block 31 and joint 32 fixedly connected to the outer side of the steel pipe pile 22, and the joint 32 is movably inserted into the inner side of the CT type lock block 31.

[0031] The inner side of the inner bracing plate 23 is fixedly connected with inner bracing stiffened triangular plate 6, and the inner bracing stiffened triangular plate 6 is fixedly connected to the outer side of the surrounding purlin stiffened rib plate 41 and the reinforcing steel pipe 42.

[0032] Specifically, the bottom column 1 can play the role of installation and connection for the angle pile 21, the angle pile 21 can be connected with the steel pipe pile 22 through the connecting mechanism 3, and the steel pipe piles 22 can be connected with each other through the connecting mechanism 3, and the steel pipe pile 22 can play the role of water retaining, so that the staff can extract the water source in the inner side of the steel pipe piles 22 after being connected with each other, and the main pier column can be installed and operated subsequently.

[0033] In addition, the inner bracing plate 23 can play the role of fixation, so as to increase the stability of the steel pipe piles 22 after being connected with each other, and the reinforcing mechanism 4 can further improve the stability of the inner bracing plate 23 and the steel pipe pile 22 during use.

[0034] In addition, after the CT type lock block 31 and the connector 32 are connected, workers can inject concrete or other materials into the inner side of the CT type lock block 31 to realize the installation of the plurality of steel pipe piles 22, and the arrangement of the CT type lock block 31 and the connector 32 can make the plurality of steel pipe piles 22 be connected to each other conveniently, and the reinforcing steel pipe 42 can be connected to the inner side of the inner support plate 23 through the surrounding purlin stiffened rib plate 41 to realize the reinforcement and fixation of the inner support plate 23, and the inner support stiffened triangular plate 6 can further reinforce the connection between the reinforcing steel pipe 42 and the inner support plate 23 through the connection between the inner support stiffened triangular plate 6 and the inner support plate 23.

[0035] The inner side of the inner support plate 23 is further fixedly connected with a stiffened angle plate 5, which is used to reinforce the inner support plate 23, as shown in Figure 1 and Figure 2 .

[0036] The inner side of the bottom column 1 is provided with a plurality of pile caps 71, and the upper side of the plurality of pile caps 71 is provided with a plurality of pile caps 72.

[0037] The lower side of the plurality of inner support plates 23 is fixedly connected with a first reinforcing inclined plate 81 and a second reinforcing inclined plate 82, and one side of the first reinforcing inclined plate 81 and the second reinforcing inclined plate 82 is connected with the steel pipe pile 22.

[0038] The connecting mechanism 3 arranged on the outer side of the corner pile 21 is at an angle of 90°, and the connecting mechanism 3 arranged on the outer side of the steel pipe pile 22 is at an angle of 180°.

[0039] Specifically, the stiffened angle plate 5 is arranged at the angle inside the inner support plate 23, so as to further improve the stability of the inner support plate 23 during use, and the pile cap 71 and the pile cap 72 can be used to install the main pier column to be installed subsequently, and the first reinforcing inclined plate 81 and the second reinforcing inclined plate 82 can improve the stability of the inner support plate 23 during use through the connection between the first reinforcing inclined plate 81 and the second reinforcing inclined plate 82 and the steel pipe pile 22;

[0040] In addition, the connecting mechanism 3 arranged on the outer side of the corner pile 21 is at an angle of 90°, so that the corner pile 21 can be connected to the steel pipe pile 22 through the connecting mechanism 3 smoothly, and the connecting mechanism 3 arranged on the outer side of the steel pipe pile 22 is at an angle of 180°, so that the plurality of steel pipe piles 22 can be connected to each other smoothly, and the plurality of steel pipe piles 22 can cooperate with the corner pile 21 to form a rectangle, which is convenient for the subsequent installation of the main pier column and the extraction of water;

[0041] In addition, the meanwhile, the stiffening rib plate 41 of the cofferdam is provided as 2cm, the inner support plate 23 is provided with five from top to bottom, the first inner support plate 23 to the fifth inner support plate 23 inner support spacing is 2.6m, 3.4m, 3.4m, 2.3m respectively, and the first to fourth inner support plates 23 are all HN700x300x13x24 specification section steel, the fifth inner support plate 23 adopts three spliced HN700x300x13x24 specification section steel, so that the inner support plate 23 can be stably used, meanwhile, because the plurality of reinforcing mechanisms 4 and the plurality of inner support plates 23 correspond one by one, the first to fourth reinforcing steel pipes 42 are all 9.095m specification φ609X16mm steel pipe inclined braces, the fifth reinforcing steel pipe 42 adopts φ609X16mm steel pipe inclined brace, the inner side inclined brace is 4.852m long, and the outer side inclined brace is 9.095m long.

[0042] The working principle of the water retaining cofferdam structure is as follows:

[0043] In use, the staff can first install the bottom column 1 at the predetermined position, then install the angle pile 21 on the upper side of the bottom column 1, ensure that the angle pile 21 is stably connected to the bottom column 1, connect the angle pile 21 and the steel pipe pile 22 by using the connecting mechanism 3, the connecting mechanism 3 on the outer side of the angle pile 21 is at a 90° angle, ensure that the angle pile 21 can be smoothly connected to the steel pipe pile 22, then, connect the plurality of steel pipe piles 22 to each other by using the connecting mechanism 3, form the required enclosure structure, the connecting mechanism 3 on the outer side of the steel pipe pile 22 is at a 180° angle, ensure that the steel pipe piles 22 can be stably connected and form a rectangular structure, in the connecting process, the CT type lock block 31 and the joint 32 are inserted into each other, and the connection can be strengthened by injecting cement or other materials after connection, then install the inner support plate 23 on the inner side of the plurality of steel pipe piles 22, the inner support plate 23 plays a role in fixing and enhancing the stability of the structure, install the reinforcing mechanism 4, including the cofferdam stiffening rib plate 41 and the reinforcing steel pipe 42, on the inner side of the inner support plate 23, the reinforcing steel pipe 42 is connected to the inner support plate 23 through the cofferdam stiffening rib plate 41, to enhance the stability of the structure, install the first reinforcing inclined plate 81 and the second reinforcing inclined plate 82 on the lower side of the plurality of inner support plates 23 respectively, and ensure that they are stably connected with the steel pipe pile 22, to improve the stability of the whole structure, install the pile cap pile foundation 71 on the inner side of the bottom column 1, and ensure that the plurality of pile cap pile foundations 71 are stably connected, install the pile cap block 72 on the upper side of the pile cap pile foundation 71, to provide a basis for subsequent installation of the main pier column, install the main pier column on the pile cap block 72, after the installation of the main pier column is completed, the inner side plate 23 can be disassembled one by one in the installation order, so that the subsequent use of the main pier column is realized.

[0044] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features therein can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A water retaining cofferdam structure comprising a bottom column (1), characterized in that: The upper side of the bottom column (1) is provided with an angle pile (21), the outer side of the angle pile (21) is provided with a steel pipe pile (22), and the steel pipe pile (22) is provided with a plurality of, and the outer side of the angle pile (21) and the outer side of the plurality of steel pipe piles (22) are provided with a connecting mechanism (3), the inner side of the plurality of steel pipe piles (22) is provided with an inner support plate (23), the inner side of the plurality of inner support plates (23) is provided with a reinforcing mechanism (4), and the plurality of reinforcing mechanisms (4) are the same structure, and the plurality of reinforcing mechanisms (4) and the plurality of inner support plates (23) are one-to-one corresponding. The reinforcing mechanism (4) comprises a surrounding purlin stiffened rib plate (41) fixedly connected to the inner side of the inner support plate (23), and the surrounding purlin stiffened rib plate (41) is fixedly connected with a reinforcing steel pipe (42) on one side, and the reinforcing steel pipe (42) is inclined.

2. The water retaining cofferdam structure according to claim 1, wherein: The connecting mechanism (3) comprises a CT type lock block (31) and a connector (32) fixedly connected to the outer side of the steel pipe pile (22), and the connector (32) is movably inserted into the inner side of the CT type lock block (31).

3. The water retaining cofferdam structure according to claim 2, wherein: The inner side of the inner support plate (23) is fixedly connected with an inner support stiffening triangular plate (6), and the inner support stiffening triangular plate (6) is fixedly connected to the outer side of the surrounding purlin stiffened rib plate (41) and the reinforcing steel pipe (42).

4. The water retaining cofferdam structure according to claim 3, wherein: The inner side of the inner support plate (23) is also fixedly connected with a stiffening angle plate (5), and the stiffening angle plate (5) is used for reinforcing the inner support plate (23).

5. The water retaining cofferdam structure according to claim 4, wherein: The inner side of the bottom column (1) is provided with a pile cap pile foundation (71), and the pile cap pile foundation (71) is provided with a plurality of, and the upper side of the plurality of pile cap pile foundations (71) is provided with a pile cap block (72).

6. The water retaining cofferdam structure of claim 3, wherein: The lower side of the plurality of inner support plates (23) is fixedly connected with a first reinforcing inclined plate (81) and a second reinforcing inclined plate (82), and one side of the first reinforcing inclined plate (81) and the second reinforcing inclined plate (82) is connected with the steel pipe pile (22).

7. The water retaining cofferdam structure of claim 2, wherein: The connecting mechanism (3) provided on the outer side of the angle pile (21) is at an angle of 90°, and the connecting mechanism (3) provided on the outer side of the steel pipe pile (22) is at an angle of 180°.

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