Cofferdam temporary construction protection device

Abstract

The utility model discloses a cofferdam temporary construction protection device, and relates to the technical field of cofferdam protection, the cofferdam temporary construction protection device comprises a plurality of plug-in stand columns, first plug-in holes are arranged above the plurality of plug-in stand columns, the bottoms of the plurality of plug-in stand columns are fixedly connected with conical anchor piles, extension stand columns are arranged above the plurality of plug-in stand columns, and the extension stand columns are fixedly connected with the first plug-in holes. Inserting columns are fixedly connected to the middle positions of the bottoms of the extending stand columns and inserted into the first inserting holes, second inserting holes are formed in the middle positions of the tops of the extending stand columns, stopping assemblies are arranged above the extending stand columns, and water baffles are arranged between every two adjacent inserting stand columns. An extension plate is arranged between every two adjacent extension stand columns. The assembled cofferdam has the advantages that the assembled cofferdam is assembled or disassembled in a splicing mode, the structure of the assembled cofferdam is relatively flexible, the assembled cofferdam is very convenient to assemble and disassemble, and the construction period is short.

Description

TECHNICAL FIELD

[0001] The utility model relates to cofferdam protection technical field, concretely relates to a cofferdam temporary construction protection device. BACKGROUND

[0002] Cofferdam refers to the temporary retaining structure built in water conservancy construction for the construction of permanent water conservancy facilities, which prevents water and soil from entering the construction site of the building, so as to drain water in the cofferdam, excavate foundation pit and build building. Generally, it is mainly used in hydraulic construction, and the cofferdam is generally removed after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period.

[0003] For example, Chinese patent (CN108951431B) discloses a prefabricated concrete cofferdam for bridge and bridge pier construction process, which relates to the field of bridge construction. The technical solution is as follows: the cofferdam body is annular, the steel reinforcement frame is embedded in the cofferdam body to reinforce the cofferdam body, the insert ring is fixedly connected to the bottom of the cofferdam body, the shape of the insert ring is the same as that of the cofferdam body, the cross section of the insert ring is triangular, and one face of the insert ring is attached to the cofferdam body. The application solves the problem that after the concrete cofferdam is placed in water, the water bottom is not very level, so that the cofferdam cannot immediately cut off the water, and the staff needs to spend a long time to perform the bottom sealing work of the cofferdam, making it more convenient for the staff to cut off the water when arranging the cofferdam.

[0004] The cofferdam protection structure described above is made of concrete pouring. The concrete pouring cofferdam needs a long construction period because the concrete needs a certain curing time. Once the concrete cofferdam is poured, its structure is basically fixed and difficult to adjust or disassemble. If changes or adjustments are needed during the construction process, it will increase the cost and time. In view of the above problems, the researchers propose a cofferdam temporary construction protection device to solve the problem. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a cofferdam temporary construction protection device, which solves the problem that the current concrete pouring cofferdam needs a long construction period because the concrete needs a certain curing time. Once the concrete cofferdam is poured, its structure is basically fixed and difficult to adjust or disassemble. If changes or adjustments are needed during the construction process, it will increase the cost and time.

[0006] The utility model discloses a cofferdam temporary construction protection device, including a plurality of plug -in stand, a plurality of the plug -in stand top all are seted up with first plug -in hole, a plurality of the plug -in stand bottom all are fixedly connected with the anchor pile of conical, a plurality of the plug -in stand top all are provided with the extension stand, the extension stand bottom middle position is fixedly connected with the plug -in column, the plug -in column is inserted in the first plug -in hole inside, a plurality of the extension stand top middle position all are seted up with second plug -in hole, the extension stand top is provided with the blocking subassembly, and the water baffle is seted up between two adjacent plug -in stands, and the extension board is seted up between two adjacent extension stands.

[0007] Preferably, a plurality of the plug -in stand four edges all are seted up with first T -shaped groove, the slot mouth of first T -shaped groove is provided with the limiting lip, the first limiting strip is fixedly connected with the length direction both ends of water baffle, and the first limiting strip is slidably connected in the first T -shaped groove and the width is less than the groove width of first T -shaped groove, and the sliding stroke of first limiting strip in first T -shaped groove is 1 / 3-2 / 3 of the length of water baffle.

[0008] Preferably, a plurality of the extension stand four edges all are seted up with second T -shaped groove, the second limiting strip is fixedly connected with the length direction both ends of extension board, and the second limiting strip is slidably connected in the second T -shaped groove.

[0009] Preferably, the bottom of the water baffle is fixedly connected with a sealing protrusion, and the top of the water baffle is provided with a sealing groove.

[0010] Preferably, the bottom of the extension board is fixedly connected with a connecting block, the cross section of the connecting block is trapezoidal, and is adapted to the trapezoidal groove wall of the sealing groove, the depth of the connecting block inserted in the sealing groove is not less than 2 / 3 of the height of the connecting block, the top of the extension board is provided with a connecting groove, the groove wall of the connecting groove is provided with internal threads, and the groove bottom of the connecting groove is provided with a rubber sealing pad.

[0011] Preferably, the blocking assembly comprises a mounting frame, the bottom of the mounting frame is fixedly connected with a locking member at each corner position, and the locking member is inserted into the second plug-in hole.

[0012] Preferably, the mounting frame is fixedly connected with a plurality of connecting rods on each of the four edges, the distal end of each of the connecting rods is fixedly connected with a fixing strip, and the fixing strips are fixedly connected with a blocking net between two adjacent fixing strips.

[0013] Preferably, the surface of the anchor pile is provided with a plurality of anti-skid protrusions, the anti-skid protrusions are triangular or trapezoidal structures, and are uniformly distributed along the axial direction of the anchor pile.

[0014] Preferably, the water baffle and the extension plate are made of high-strength plastic material, and are uniformly provided with reinforcing ribs in the inside, the reinforcing ribs are in a grid structure.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1、 the utility model discloses install or disassemble through the splicing mode, and the structure of splicing type cofferdam is relatively flexible, and installation and disassembly are very convenient, and the construction period is short, if the design needs to be modified or the position needs to be adjusted during construction, the splicing type cofferdam can be quickly disassembled and reinstalled, and once the concrete cofferdam is poured, it is basically fixed, and adjustment and disassembly are relatively difficult, and the installation cost of the splicing type cofferdam is lower, because the construction period is short, the required labor cost is less, and in addition, the prefabricated cofferdam component can be mass-produced in a factory, transportation and installation are relatively simple, and the transportation and labor costs are reduced.

[0017] 2、 the utility model discloses add the blocking subassembly, and the blocking net in the blocking subassembly can effectively intercept larger floating objects, reduce the impact and damage of these objects on the cofferdam structure, and the design improves the impact resistance of the cofferdam, prolongs the service life of the cofferdam. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the structural schematic diagram of the utility model and removes the blocking subassembly;

[0020] Figure 3 It is the structural schematic diagram of the blocking subassembly in the utility model;

[0021] Figure 4 It is the structural schematic diagram of the utility model and removes the blocking subassembly;

[0022] Figure 5 It is the structural schematic diagram of the utility model and removes the blocking subassembly;

[0023] Figure 6 It is the structural schematic diagram of the utility model and removes the blocking subassembly;

[0024] Figure 7 It is Figure 6 the local enlarged schematic diagram of A in the utility model.

[0025] The figure mark is:

[0026] 1. Insertion column; 2. First T-slot; 3. Anchor pile; 4. First insertion hole; 5. Extension column; 6. Second T-slot; 7. Insertion column; 8. Second insertion hole; 9. Water baffle; 10. Extension plate; 11. Sealing protrusion; 12. Sealing groove; 13. Connecting block; 14. Connecting groove; 15. Barrier assembly; 1501. Mounting frame; 1502. Locking element; 1503. Connecting rod; 1504. Fixing strip; 1505. Barrier net; 16. First limiting strip; 17. Second limiting strip. Detailed Implementation

[0027] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0028] like Figures 1-7 As shown, this utility model embodiment provides a temporary construction protection device for cofferdams, including several plug-in columns 1, each with a first plug-in hole 4 at its top, and a conical anchor pile 3 fixedly connected to the bottom of each plug-in column 1. The conical anchor pile 3 fixed to the bottom of the plug-in column 1 can effectively increase the stability of the column in the riverbed and prevent the column from loosening or collapsing due to water erosion. The conical design makes it easier for the anchor pile 3 to be inserted into the riverbed, while increasing the contact area with the riverbed soil and improving the pull-out resistance. Each plug-in column 1 is provided with an extension column 5, and a plug-in column 7 is fixedly connected to the middle position of the bottom of the extension column 5. The plug-in column 7 is inserted into the first plug-in hole 4. Through the cooperation of the plug-in column 7 and the first plug-in hole 4, the extension column 5 can be easily installed on the plug-in column 1 to realize the rapid adjustment of the cofferdam height. This plug-in method is simple and quick, requiring no additional fasteners, which reduces construction difficulty and time costs. In addition, a sealing gasket is provided at the connection between the plug-in column 1 and the extension column 5 to prevent water seepage at the connection point. A second plug-in hole 8 is provided at the middle of the top of several extension columns 5. A barrier component 15 is provided above the extension column 5. A water baffle 9 is provided between two adjacent plug-in columns 1, and an extension plate 10 is provided between two adjacent extension columns 5.

[0029] Specifically, each of the four sides of the several plug-in columns 1 is provided with a first T-shaped groove 2. A limiting lip is provided at the opening of the first T-shaped groove 2. Both ends of the baffle plate 9 in the length direction are fixedly connected with a first limiting strip 16. The first limiting strip 16 is slidably connected inside the first T-shaped groove 2 and its width is less than the groove width of the first T-shaped groove 2. The sliding stroke of the first limiting strip 16 in the first T-shaped groove 2 is 1 / 3 to 2 / 3 of the length of the baffle plate 9.

[0030] Specifically, the second T-shaped slot 6 is arranged on the four sides of the extension column 5, and the second limiting strip 17 is fixedly connected to the two ends of the extension plate 10 in the length direction, and the second limiting strip 17 is slidably connected to the second T-shaped slot 6, and the first T-shaped slot 2 and the second T-shaped slot 6 are used for slidably connecting the water baffle 9 and the extension plate 10 respectively, and the limiting strip ensures the stability of the water baffle 9 and the extension plate 10 in the horizontal direction, and prevents displacement due to water flow impact. At the same time, this sliding connection mode is convenient for installation and disassembly, and improves the flexibility and reusability of the cofferdam.

[0031] Specifically, the sealing protrusion 11 is fixedly connected to the bottom of the water baffle 9, and the sealing groove 12 is arranged on the top of the water baffle 9, and the sealing protrusion 11 on the bottom of the water baffle 9 cooperates with the riverbed to form an effective sealing structure, preventing river water from leaking through the gap between the water baffles 9.

[0032] Specifically, the connecting block 13 is fixedly connected to the bottom of the extension plate 10, the cross section of the connecting block 13 is trapezoidal, and the trapezoidal groove wall of the sealing groove 12 is matched, the depth of the connecting block 13 inserted into the sealing groove 12 is not less than 2 / 3 of the height of the connecting block 13, the connecting groove 14 is arranged on the top of the extension plate 10, the groove wall of the connecting groove 14 is provided with internal threads, and the groove bottom of the connecting groove 14 is provided with a rubber sealing gasket.

[0033] Specifically, the blocking assembly 15 includes the mounting frame 1501, the locking piece 1502 is fixedly connected to the bottom of the mounting frame 1501 at the four corner positions, the locking piece 1502 is inserted into the second insertion hole 8, and the blocking assembly 15 is fixed above the extension column 5 through the locking piece 1502. The blocking net 1505 on it can effectively intercept larger floating objects, reducing the impact and damage of these objects on the cofferdam structure. This design improves the impact resistance of the cofferdam and prolongs the service life of the cofferdam. At the same time, the blocking assembly 15 is also very convenient to disassemble and reinstall, which is convenient for adjustment according to the change of water level.

[0034] Specifically, the mounting frame 1501 is fixedly connected with a plurality of connecting rods 1503 on the four side surfaces, the fixed strip 1504 is fixedly connected to the distal end of the connecting rod 1503, the blocking net 1505 is fixedly connected between the adjacent two fixed strips 1504, and the length of the fixed strip 1504 can be freely customized to ensure sufficient protection effect.

[0035] The anchor pile 3 is provided with a plurality of anti-skid protrusions on the surface, the anti-skid protrusions are triangular or trapezoidal structures, and are uniformly distributed along the axial direction of the anchor pile 3. By arranging anti-skid protrusions on the surface of the anchor pile, the friction between the anchor pile and the soil of the riverbed can be further increased, the stability of the inserted column in the riverbed is improved, and the loosening of the column caused by water flow erosion and other factors is effectively prevented.

[0036] The water baffle 9 and the extension plate 10 are made of high-strength plastic material, and are uniformly distributed with reinforcing ribs, which are in a longitudinal and transverse intersecting grid structure, and are designed with high-strength plastic material and reinforcing ribs, so that the water baffle and the extension plate have good water retaining performance, and the structural strength is significantly improved, so that the water baffle and the extension plate can better withstand the impact of water flow, and the service life of the cofferdam is prolonged.

[0037] When the cofferdam is installed, a plurality of plug-in columns 1 are inserted into the riverbed at the same interval according to the preset position of the drawing, then the water baffle 9 is inserted into the two plug-in columns 1 to block the river water, then the blocking assembly 15 is installed above the plug-in column 1 through the first plug-in hole 4, and the larger floating objects are intercepted through the blocking net 1505, so that the impact on the cofferdam is reduced, when the water level is high and the water baffle 9 is insufficient to block the water, the blocking assembly 15 is first disassembled, then the plug-in column 7 at the bottom of the extension column 5 is inserted into the first plug-in hole 4, after the extension column 5 is installed, the extension plate 10 is inserted between the two extension columns 5, and the connecting block 13 at the bottom of the extension plate 10 is inserted into the sealing groove 12 above the water baffle 9, so that the water retaining height of the cofferdam is improved, then the blocking assembly 15 is reinstalled above the extension column 5.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims

1. A cofferdam temporary construction protection device, characterized in that: The utility model provides a kind of water retaining board and extension column, including several plug-in columns (1), first plug-in hole (4) is set up above several described plug-in columns (1), the bottom of several described plug-in columns (1) is fixedly connected with anchor pile (3) of conical shape, the top of several described plug-in columns (1) is provided with extension column (5), the bottom middle position of extension column (5) is fixedly connected with plug-in column (7), plug-in column (7) is inserted in first plug-in hole (4) inside, the top middle position of several described extension column (5) is all set with second plug-in hole (8), extension column (5) is provided with blocking assembly (15) above, water baffle (9) is arranged between adjacent two plug-in columns (1), and extension plate (10) is arranged between adjacent two extension columns (5).

2. The cofferdam temporary construction protection device according to claim 1, characterized in that: First T-shaped groove (2) is set up in the four sides of several described plug-in columns (1), limiting lip is arranged at the notch of first T-shaped groove (2), the length direction both ends of water baffle (9) are fixedly connected with first limiting strip (16), first limiting strip (16) is slidably connected in first T-shaped groove (2) and width is less than the groove width of first T-shaped groove (2), the sliding stroke of first limiting strip (16) in first T-shaped groove (2) is 1 / 3-2 / 3 of the length of water baffle (9).

3. The cofferdam temporary construction protection device according to claim 1, characterized in that: Second T-shaped groove (6) is set up in the four sides of several described extension column (5), the length direction both ends of extension plate (10) are fixedly connected with second limiting strip (17), second limiting strip (17) is slidably connected in second T-shaped groove (6).

4. The cofferdam temporary construction protection device according to claim 1, characterized in that: Sealing protrusion (11) is fixedly connected with the bottom of water baffle (9), and sealing groove (12) is set up in the top of water baffle (9).

5. The cofferdam temporary construction protection device according to claim 1, wherein: The bottom of extension plate (10) is fixedly connected with connecting block (13), the section of connecting block (13) is trapezoidal, and is matched with the trapezoidal groove wall of sealing groove (12), the depth of connecting block (13) inserted in sealing groove (12) is not less than 2 / 3 of the height of connecting block (13), and connecting groove (14) is set up in the top of extension plate (10), the groove wall of connecting groove (14) is provided with internal thread, and the groove bottom of connecting groove (14) is provided with rubber sealing pad.

6. A cofferdam temporary construction protection device according to any one of claims 1-5, characterized in that: The blocking assembly (15) comprises a mounting frame (1501), and the bottom of the mounting frame (1501) is fixedly connected with a locking member (1502) at each of the four corner positions. The locking member (1502) is inserted into the second plug-in hole (8).

7. The cofferdam temporary construction protection device according to claim 6, characterized in that: The four side surfaces of the mounting frame (1501) are fixedly connected with a plurality of connecting rods (1503), and the distal ends of the connecting rods (1503) are fixedly connected with a fixing strip (1504). Two adjacent fixing strips (1504) are fixedly connected with a blocking net (1505).

8. The cofferdam temporary construction protection device according to claim 1, wherein: The surface of the anchor pile (3) is provided with a plurality of anti-skid protrusions, which are triangular or trapezoidal in structure and uniformly distributed along the axial direction of the anchor pile (3).

9. The cofferdam temporary construction protection device according to claim 1, wherein: The water retaining board (9) and the extension plate (10) are both made of high-strength plastic material and uniformly distributed with reinforcing ribs inside, which are in a longitudinal and transverse interlaced grid structure.

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