A cofferdam device for water conservancy construction

Abstract

The utility model provides a cofferdam device for water conservancy construction, include: baffle, baffle both ends are fixed with hinged post, stand, stand lower extreme is fixed with first ground nail, and the both sides of stand are opened with the arc slot that is matched with hinged post, and the bottom of stand is fixed with bottom plate, and the bottom plate is opened with the rotating groove that is corresponding with arc slot, and the lower extreme of hinged post is installed in the inboard side of arc slot, the pressing plate is detachably connected with the upper end of stand, and the pressing plate is opened with the rotating hole that is corresponding with arc slot, and the upper end of hinged post is installed in the inboard side of hinged hole, the number of baffle is multiple, and multiple baffle is enclosed as the cylinder, and the adjacent baffle is connected through stand. The utility model has the beneficial effects: can assemble the corresponding number of baffle according to the demand of water conservancy construction, and the application range of device is widened.

Description

Technical Field

[0001] This utility model belongs to the field of water conservancy construction technology, and in particular relates to a cofferdam device for water conservancy construction. Background Technology

[0002] A cofferdam is a temporary retaining structure built in water conservancy projects to construct permanent water conservancy facilities. Its function is to prevent water and soil from entering the construction site of the structure so as to facilitate drainage within the cofferdam. Currently, cofferdams in ditches generally adopt an integral cylindrical structure, which has the following problems in use: First, the fixed size cannot be applied to different construction environments and requirements, thus limiting its scope of application. Second, the structure has poor stability, is prone to deformation, and is easily moved under the impact of water flow. Utility Model Content

[0003] In view of this, the present invention aims to provide a cofferdam device for water conservancy construction, in order to solve at least one of the above-mentioned technical problems.

[0004] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0005] A cofferdam device for hydraulic construction, comprising:

[0006] A baffle, wherein hinged posts are fixed at both ends of the baffle;

[0007] The column has a first ground nail fixed at its lower end, and arc-shaped grooves matching the hinged column are opened on both sides of the column. A base plate is fixed at the bottom end of the column, and a rotating groove corresponding to the arc-shaped groove is opened on the base plate. The lower end of the hinged column is installed on the inner side of the arc-shaped groove.

[0008] A pressure plate is detachably connected to the upper end of the column. The pressure plate has a rotating hole corresponding to the arc groove. The upper end of the hinge column is installed inside the hinge hole.

[0009] The number of baffles is multiple, and the multiple baffles are arranged to form a cylindrical body. Adjacent baffles are connected by columns.

[0010] Furthermore, the hinge post is installed inside the arc-shaped groove, and a sealing groove is provided at the bottom end of the arc-shaped groove along the height direction of the baffle. A sealing gasket is provided in the sealing groove, and the sealing gasket is located between the bottom end of the sealing groove and the hinge post.

[0011] Furthermore, the upper end of the hinge post protrudes from the upper end face of the baffle, the lower end of the hinge post protrudes from the lower end face of the baffle, and an insert plate is fixedly provided at the lower end of the baffle. The thickness of the insert plate is less than the thickness of the baffle, and the lower end of the insert plate protrudes from the lower end face of the hinge post.

[0012] Furthermore, the upper end face of the column is provided with a threaded hole, and the pressure plate is provided with a through hole corresponding to the threaded hole. The connecting bolt passes through the through hole and is threaded to the inside of the threaded hole.

[0013] Furthermore, it also includes a diagonal brace, wherein a hinge plate is fixed on the upper side wall of the column, and one end of the diagonal brace is hinged to the hinge plate.

[0014] Furthermore, the end of the diagonal brace away from the hinge plate is hinged to the outer wall of the sleeve, and a second ground nail is provided inside the sleeve.

[0015] Furthermore, a mounting post is fixedly provided at the upper end of the pressure plate;

[0016] The cofferdam device also includes a connecting assembly, through which the mounting columns of two pressure plates spaced apart by one column are connected.

[0017] Furthermore, the connection component includes:

[0018] The hinge rod has two hinge rods. One end of each hinge rod is fixed with a connecting plate. The connecting plate has a mounting hole. Two mounting posts are respectively installed inside the mounting holes of the two connecting plates. One hinge rod has a forward internal thread on its outer side, and the other hinge rod has a reverse internal thread on its outer side.

[0019] An adjusting tube, the two ends of which are threadedly connected to two hinged rods respectively.

[0020] Furthermore, the regulating tube has an insertion hole, and the axis of the insertion hole is set perpendicular to the axis of the regulating tube.

[0021] Furthermore, the connecting assembly includes an outer tube and a plug rod. One end of the outer tube is hinged to a mounting post, one end of the plug rod is rotatably connected to a rotating seat, the rotating seat is hinged to another mounting post, and the plug rod is threaded to the inside of the outer tube.

[0022] Compared with the prior art, the cofferdam device for water conservancy construction described in this utility model has the following beneficial effects:

[0023] (1) The cofferdam device for water conservancy construction described in this utility model assembles a number of baffles according to the construction needs, then the first ground nail at the lower end of the baffle is inserted into the silt at the bottom of the ditch, then the diagonal bracing rod is installed, the second ground nail is inserted into the silt, and finally the connecting component is installed to increase the structural strength of the upper end of the device. The device can assemble a corresponding number of baffles according to the needs of water conservancy construction, thus broadening the scope of application of the device.

[0024] (2) The cofferdam device for water conservancy construction described in this utility model has a connecting component that connects the upper end of the column into a frame structure, which, together with the support of the diagonal brace and the second ground nail, improves the stability of the device during use. Attached Figure Description

[0025] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0026] Figure 1 This is a three-dimensional structural diagram of the device described in an embodiment of the present utility model;

[0027] Figure 2 As described in the embodiments of this utility model Figure 1 Schematic diagram of the structure at point A in the middle;

[0028] Figure 3 As described in the embodiments of this utility model Figure 1 Schematic diagram of the structure at point B;

[0029] Figure 4 This is a schematic diagram of the three-dimensional structure of the column described in an embodiment of the present utility model;

[0030] Figure 5 This is a schematic diagram of the three-dimensional structure of the pressure plate according to an embodiment of the present utility model;

[0031] Figure 6 This is a schematic diagram of the three-dimensional structure of the baffle as described in an embodiment of the present utility model;

[0032] Figure 7 This is a schematic cross-sectional view of the column structure according to an embodiment of the present utility model.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Baffle; 2. Column; 3. Pressure plate; 4. Diagonal brace; 5. Second ground nail; 6. Sleeve; 7. Connecting assembly; 8. Connecting bolt; 9. Sealing gasket; 101. Hinge column; 102. Insert plate; 201. Hinge plate; 202. Base plate; 203. Rotating groove; 204. First ground nail; 205. Arc groove; 206. Sealing groove; 207. Threaded hole; 301. Rotating hole; 302. Mounting column; 303. Through hole; 701. Hinge rod; 702. Adjusting tube. Detailed Implementation

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments of the present invention can be combined with each other.

[0036] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0037] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0038] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0039] like Figures 1 to 7 As shown, a cofferdam device for hydraulic construction includes: a baffle 1, with hinged columns 101 fixed at both ends of the baffle 1; a column 2, with a first ground nail 204 fixed at the lower end of the column 2, arc-shaped grooves 205 matching the hinged columns 101 opened on both sides of the column 2, a base plate 202 fixed at the bottom end of the column 2, and a rotating groove 203 corresponding to the arc-shaped groove 205 opened on the base plate 202, the lower end of the hinged column 101 installed inside the arc-shaped groove 205; a pressure plate 3, detachably connected to the upper end of the column 2, the pressure plate 3 having a rotating hole 301 corresponding to the arc-shaped groove 205 opened on the pressure plate 3, the upper end of the hinged column 101 installed inside the hinge hole; there are multiple baffles 1, which enclose a cylindrical body, and adjacent baffles 1 are connected by columns 2. In this embodiment, there are 6 baffles 1, forming a hexagonal cylinder. There can also be 8, 9 or more. The structure can be a regular polygon or an irregularly shaped cylinder structure, which improves the applicability of the device.

[0040] The hinged column 101 is installed inside the arc-shaped groove 205. A sealing groove 206, extending along the height of the baffle 1, is formed at the bottom of the arc-shaped groove 205. A sealing gasket 9 is installed inside the sealing groove 206, located between the bottom of the sealing groove 206 and the hinged column 101. The sealing gasket 9 improves the sealing performance between the hinged column 101 and the column 2, preventing water leakage into the inner side of the cofferdam.

[0041] The upper end of the hinge post 101 protrudes from the upper end face of the baffle 1, and the lower end of the hinge post 101 protrudes from the lower end face of the baffle 1. An insert plate 102 is fixed at the lower end of the baffle 1. The thickness of the insert plate 102 is less than the thickness of the baffle 1. The lower end of the insert plate 102 protrudes from the lower end face of the hinge post 101. The insert plate 102 is inserted into the silt to prevent the baffle 1 from forming a gap with the silt.

[0042] The upper end face of the column 2 has a threaded hole 207, and the pressure plate 3 has a through hole 303 corresponding to the threaded hole 207. The connecting bolt 8 passes through the through hole 303 and is threaded to the inside of the threaded hole 207. The pressure plate 3 is detachably connected to the column 2 by the connecting bolt 8. The corresponding number of baffles 1 can be assembled according to the project needs, which improves the applicability of the device.

[0043] It also includes a diagonal brace 4, and a hinge plate 201 is fixed on the upper side wall of the column 2. One end of the diagonal brace 4 is hinged to the hinge plate 201. The end of the diagonal brace 4 away from the hinge plate 201 is hinged to the outer side wall of the sleeve 6. A second ground nail 5 is provided inside the sleeve 6.

[0044] In some embodiments, a mounting post 302 is fixedly provided on the upper end of the pressure plate 3; the cofferdam device also includes a connecting assembly 7, through which the mounting posts 302 of the two pressure plates 3, spaced apart by one column 2, are connected. The connecting assembly 7 includes: two hinge rods 701, one end of which is fixedly provided with a connecting plate, and mounting holes are provided on the connecting plate. The two mounting posts 302 are respectively installed inside the mounting holes of the two connecting plates. One hinge rod 701 has a forward-rotating internal thread on its outer side, and the other hinge rod 701 has a reverse-rotating internal thread on its outer side; and an adjusting tube 702, both ends of which are threadedly connected to the two hinge rods 701. The adjusting tube 702 has an insertion hole, the axis of which is perpendicular to the axis of the adjusting tube 702, allowing a pry bar to be inserted to rotate the adjusting tube 702. The length of the connecting assembly 7 can be adjusted by rotating the adjusting tube 702, which is suitable for different spacings of the mounting posts 302. In addition, rotating the adjusting tube 702 can bring the mounting posts 302 closer together, improving the structural strength.

[0045] In other embodiments, a mounting column 302 is fixedly provided on the upper end of the pressure plate 3; the cofferdam device also includes a connecting assembly 7, through which the mounting columns 302 of the two pressure plates 3, spaced apart by one column 2, are connected. The connecting assembly 7 includes an outer tube and a plug rod. One end of the outer tube is hinged to one mounting column 302, one end of the plug rod is rotatably connected to a rotating seat, the rotating seat is hinged to another mounting column 302, and the plug rod is threaded to the inside of the outer tube.

[0046] The connecting component 7 connects the upper end of the column 2 into a frame structure, which, together with the support of the diagonal brace 4 and the second ground nail 5, improves the stability of the device during use.

[0047] Work process:

[0048] When implementing this scheme, the number of baffles 1 are assembled according to the construction needs. Then, the first ground nail 204 at the lower end of the baffle 1 is inserted into the silt at the bottom of the ditch. Then, the diagonal brace 4 is installed, the second ground nail 5 is inserted into the silt, and finally the connecting component 7 is installed to increase the structural strength of the upper end of the device. The corresponding number of baffles 1 can be assembled according to the needs of water conservancy construction, thus broadening the applicability of the device.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cofferdam device for hydraulic construction, characterized in that, include: A baffle (1) is provided with hinged posts (101) at both ends; The column (2) has a first ground nail (204) fixed at its lower end. The column (2) has arc-shaped grooves (205) on both sides that match the hinge column (101). The column (2) has a base plate (202) fixed at its bottom end. The base plate (202) has a rotating groove (203) corresponding to the arc-shaped groove (205). The lower end of the hinge column (101) is installed on the inner side of the arc-shaped groove (205). The pressure plate (3) is detachably connected to the upper end of the column (2). The pressure plate (3) has a rotating hole (301) corresponding to the arc groove (205). The upper end of the hinge column (101) is installed on the inner side of the hinge hole. The number of baffles (1) is multiple, and the multiple baffles (1) enclose a cylindrical body. Adjacent baffles (1) are connected by columns (2).

2. A cofferdam device for hydraulic construction according to claim 1, characterized in that: The hinge post (101) is installed inside the arc groove (205). The bottom end of the arc groove (205) has a sealing groove (206) arranged along the height direction of the baffle (1). A sealing gasket (9) is provided in the sealing groove (206). The sealing gasket (9) is located between the bottom end of the sealing groove (206) and the hinge post (101).

3. A cofferdam device for hydraulic construction according to claim 1, characterized in that: The upper end of the hinge post (101) protrudes from the upper end face of the baffle (1), and the lower end of the hinge post (101) protrudes from the lower end face of the baffle (1). A plug plate (102) is fixedly provided at the lower end of the baffle (1). The thickness of the plug plate (102) is less than the thickness of the baffle (1), and the lower end of the plug plate (102) protrudes from the lower end face of the hinge post (101).

4. A cofferdam device for hydraulic construction according to claim 1, characterized in that: The upper end face of the column (2) has a threaded hole (207), and the pressure plate (3) has a through hole (303) corresponding to the threaded hole (207). The connecting bolt (8) passes through the through hole (303) and is threaded to the inside of the threaded hole (207).

5. A cofferdam device for hydraulic construction according to claim 1, characterized in that: It also includes a diagonal brace (4), and a hinge plate (201) is fixed on the upper side wall of the column (2), and one end of the diagonal brace (4) is hinged to the hinge plate (201).

6. A cofferdam device for hydraulic construction according to claim 5, characterized in that: The end of the diagonal brace (4) away from the hinge plate (201) is hinged to the outer wall of the sleeve (6), and the sleeve (6) is provided with a second ground nail (5).

7. A cofferdam device for hydraulic construction according to claim 1, characterized in that: The upper end of the pressure plate (3) is fixedly provided with a mounting post (302); The cofferdam device also includes a connecting component (7), and the mounting columns (302) of the two pressure plates (3) spaced apart by one column (2) are connected by the connecting component (7).

8. A cofferdam device for hydraulic construction according to claim 7, characterized in that, The connection component (7) includes: The hinge rod (701) has two hinge rods (701). One end of the hinge rod (701) is fixed with a connecting plate. The connecting plate has a mounting hole. Two mounting posts (302) are respectively installed inside the mounting holes of the two connecting plates. One hinge rod (701) has a forward internal thread on its outer side, and the other hinge rod (701) has a reverse internal thread on its outer side. An adjusting tube (702) is provided, with its two ends threadedly connected to two hinged rods (701).

9. A cofferdam device for hydraulic construction according to claim 8, characterized in that: The regulating tube (702) has a socket, and the axis of the socket is set perpendicular to the axis of the regulating tube (702).

10. A cofferdam device for hydraulic construction according to claim 7, characterized in that: The connecting assembly (7) includes an outer tube and a plug rod. One end of the outer tube is hinged to a mounting post (302), one end of the plug rod is rotatably connected to a rotating seat, the rotating seat is hinged to another mounting post (302), and the plug rod is threaded to the inside of the outer tube.

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