Steel-wood cofferdam structure

Abstract

The utility model belongs to the technical field of cofferdam construction, and particularly relates to a steel-wood cofferdam structure which comprises a cofferdam assembly, the cofferdam assembly comprises a plurality of positioning frames arranged along the same axis and a plurality of connecting rods symmetrically and fixedly connected to the surfaces of the positioning frames, bottom plate bamboo rafts are arranged in the positioning frames, and the bottom plate bamboo rafts are arranged in the positioning frames. A plurality of vertical bamboo rafts are uniformly and symmetrically arranged in the positioning frame; the positioning frame and the connecting rod can be matched to form a frame, sandy soil is filled in the frame to block water flow, meanwhile, the positioning assembly is additionally arranged, and the geomembrane can be positioned and prevented from sliding off through a fixing spear and a fixing block in the positioning assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of cofferdam construction, and in particular relates to a steel-wood cofferdam structure. Background Art

[0002] The lining channel of the South-to-North Water Diversion Project was damaged by water, and the lining plate collapsed and lifted up. A temporary cofferdam needed to be built. Under the conditions of tight construction period and insufficient budget, how to reduce the construction cost of the cofferdam and ensure the quality and safety of the cofferdam was proposed. A steel-wood cofferdam structure was proposed, which has low cost, can quickly form the cofferdam body, and improve construction efficiency.

[0003] The existing cofferdam structure is relatively complex, inconvenient to install and dismantle, and is not suitable for emergency rescue and rapid construction;

[0004] In order to solve the above problems, a steel-wood cofferdam structure is proposed in this application. Utility Model Content

[0005] To solve the problems raised in the above background technology, the utility model provides a steel-wood cofferdam structure, which has the characteristics of saving cofferdam cost, improving construction efficiency, simple structure, safety and stability, convenient installation and dismantling, and has important significance and promotion value for emergency rescue and rapid construction.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel-wood cofferdam structure, including a cofferdam assembly;

[0007] The cofferdam assembly includes a plurality of positioning frames placed along the same axis and a plurality of connecting rods symmetrically fixedly connected to the surface of the positioning frames. A bottom bamboo raft is arranged inside the positioning frames, and a plurality of vertical bamboo rafts are evenly and symmetrically arranged inside the positioning frames.

[0008] As a preferred steel-wood cofferdam structure of the utility model, a river bank is arranged on one side of the positioning frame, and a geomembrane is arranged on the surface of the river bank.

[0009] As a preferred steel-wood cofferdam structure of the utility model, adjacent surfaces of two symmetrically arranged connecting rods are fixedly connected with positioning blocks, and one end of the positioning block away from the connecting rod is fixedly connected with an extrusion block.

[0010] As a preferred embodiment of the steel-wood cofferdam structure of the utility model, it also includes a positioning component arranged inside the river bank;

[0011] The positioning assembly comprises a plurality of fixing holes evenly arranged inside the river bank, fixing spears are inserted inside the fixing holes, one end of the fixing spear away from the river bank is fixedly connected with a fixing block, and the fixing block is fitted with the geomembrane.

[0012] As a preferred embodiment of the steel-wood cofferdam structure of the utility model, a rubber pad is fixedly connected to the bottom surface of the fixing block.

[0013] Compared with the prior art, the beneficial effects of the utility model are: a cofferdam assembly is added to the present application, and the positioning frame and the connecting rod therein can be used to cooperate to form a frame, and sand is filled in the frame to block the water flow. At the same time, a positioning assembly is added, and the fixed spears and fixed blocks therein can be used to position the geomembrane to prevent slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the geomembrane and the river bank in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the vertical bamboo raft and the bottom bamboo raft in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the positioning frame and the connecting rod in the utility model;

[0019] Figure 5 For this utility model Figure 2 The enlarged view of point A in the middle;

[0020] In the figure:

[0021] 1. Cofferdam assembly; 11. Positioning frame; 12. Vertical bamboo raft; 13. Bottom bamboo raft; 14. Riverbank; 15. Geomembrane; 16. Connecting rod; 17. Positioning block; 18. Extrusion block;

[0022] 2. Positioning assembly; 21. Fixing block; 22. Fixing spear; 23. Fixing hole. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] like Figures 1 to 5 As shown;

[0026] Combining the above:

[0027] In order to save the cofferdam cost and improve the construction efficiency, the steel-wood cofferdam structure includes a cofferdam component 1;

[0028] The cofferdam assembly 1 includes a plurality of positioning frames 11 placed along the same axis and a plurality of connecting rods 16 symmetrically fixedly connected to the surface of the positioning frames 11 . A bottom bamboo raft 13 is arranged inside the positioning frames 11 . A plurality of vertical bamboo rafts 12 are evenly and symmetrically arranged inside the positioning frames 11 .

[0029] In this embodiment: several positioning frames 11 are evenly arranged along a line, several connecting rods 16 are symmetrically welded on both sides of the positioning frames 11, so that the positioning frames 11 and the connecting rods 16 are matched to form a frame, the bottom bamboo raft 13 is placed at the bottom of the frame, and several vertical bamboo rafts 12 are symmetrically placed on both sides of the frame, and then sand is poured into the frame to fill it up, so that a cofferdam can be formed.

[0030] Going further:

[0031] In an optional embodiment, a river bank 14 is provided on one side of the positioning frame 11 , and a geomembrane 15 is provided on the surface of the river bank 14 .

[0032] In this embodiment, a geomembrane 15 is laid on the water-facing surface of the river bank 14 to prevent water seepage, and then sand is mechanically loaded onto the surface of the geomembrane 15 to quickly form a cofferdam.

[0033] Going further:

[0034] In an optional embodiment, a positioning block 17 is fixedly connected to one adjacent side of two symmetrically arranged connecting rods 16 , and an extrusion block 18 is fixedly connected to one end of the positioning block 17 away from the connecting rod 16 .

[0035] In this embodiment, after the vertical bamboo rafts 12 are installed in the frame, a positioning block 17 is inserted between two adjacent vertical bamboo rafts 12, the positioning block 17 and the connecting rod 16 are welded, and the squeezing block 18 squeezes the vertical bamboo rafts 12 to limit the position.

[0036] Going further:

[0037] In an optional embodiment, it further includes a positioning component 2 disposed inside the river bank 14;

[0038] The positioning assembly 2 includes a plurality of fixing holes 23 evenly arranged inside the river bank 14, a fixing spear 22 is inserted inside the fixing hole 23, and the end of the fixing spear 22 away from the river bank 14 is fixedly connected to a fixing block 21, the fixing block 21 is fitted with the geomembrane 15, and a rubber pad is fixedly connected to the bottom surface of the fixing block 21.

[0039] In this embodiment: after the geomembrane 15 is laid, the fixing block 21 is pressed on the upper surface of the geomembrane 15, and the fixing spear 22 is inserted into the interior of the river bank 14 through the fixing hole 23 to fix the fixing block 21 and limit the geomembrane 15 to prevent the geomembrane 15 from sliding downward.

[0040] The working principle and use process of the utility model are as follows: several positioning frames 11 are evenly arranged along a line, several connecting rods 16 are symmetrically welded on both sides of several positioning frames 11, so that the positioning frames 11 and the connecting rods 16 are matched to form a frame, the bottom bamboo raft 13 is placed at the bottom of the frame, and several vertical bamboo rafts 12 are symmetrically placed on both sides of the frame, and then the frame is filled with sand to form a cofferdam, and the geomembrane 15 is laid on the water-facing surface of the river bank 14 to prevent water seepage, and then the surface of the geomembrane 15 is filled with machinery. Sand is used to quickly form a cofferdam body. After the vertical bamboo rafts 12 are installed in the frame, a positioning block 17 is inserted between two adjacent vertical bamboo rafts 12, and the positioning block 17 and the connecting rod 16 are welded, so that the extrusion block 18 squeezes and limits the vertical bamboo rafts 12. After the geomembrane 15 is laid, the fixing block 21 is pressed on the upper surface of the geomembrane 15, and the fixing spear 22 is inserted into the interior of the river bank 14 through the fixing hole 23 to fix the fixing block 21, limit the geomembrane 15, and prevent the geomembrane 15 from sliding down.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A steel-wood cofferdam structure, characterized in that: It comprises a cofferdam assembly (1); The cofferdam assembly (1) comprises a plurality of positioning frames (11) placed along the same axis and a plurality of connecting rods (16) symmetrically fixedly connected to the surface of the positioning frames (11); a bottom bamboo raft (13) is arranged inside the positioning frames (11); and a plurality of vertical bamboo rafts (12) are evenly and symmetrically arranged inside the positioning frames (11).

2. The steel-wood cofferdam structure according to claim 1 is characterized in that: A river bank (14) is arranged on one side of the positioning frame (11), and a geomembrane (15) is arranged on the surface of the river bank (14).

3. The steel-wood cofferdam structure according to claim 2 is characterized in that: A positioning block (17) is fixedly connected to one adjacent side of the two symmetrically arranged connecting rods (16), and an end of the positioning block (17) away from the connecting rod (16) is fixedly connected to an extrusion block (18).

4. The steel-wood cofferdam structure according to claim 2 is characterized in that: It also includes a positioning component (2) arranged inside the river bank (14); The positioning assembly (2) comprises a plurality of fixing holes (23) uniformly arranged inside the river bank (14), a fixing spear (22) is inserted into the fixing hole (23), one end of the fixing spear (22) away from the river bank (14) is fixedly connected to a fixing block (21), and the fixing block (21) is in contact with the geomembrane (15).

5. The steel-wood cofferdam structure according to claim 4 is characterized in that: A rubber pad is fixedly connected to the bottom surface of the fixing block (21).

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