Cofferdam structure for hydraulic engineering construction

Abstract

The utility model relates to the field of cofferdam structures, in particular to a cofferdam structure for hydraulic engineering construction, which comprises a canal body. A canal groove is formed in the upper end of the canal body, two first grooves are formed in each of the two side faces of the inner wall of the canal groove, a lifting mechanism is arranged at the upper end of the canal body, a baffle is installed on the lifting mechanism, two arc-shaped grooves are formed in the upper end of the canal body, the baffle is arranged in the middles of the inner walls of the arc-shaped grooves in a sliding mode, and the arc-shaped grooves communicate with the two first grooves on the same side. The water inlet mechanism and the four water inlet grooves are arranged, the flow guide characteristic of the arc-shaped grooves is combined, external water can be quickly guided into the internal operation area of the cofferdam through the water inlet pipes, the water pumping mechanism is provided with double water pumps and is matched with the water pumping pipe extending to the core area of the cofferdam, internal accumulated water is efficiently discharged to the first groove, dynamic water circulation is formed, and the water circulation efficiency is improved. The problem that a traditional cofferdam is low in drainage guiding efficiency is effectively solved.

Description

Technical Field

[0001] The utility model belongs to the field of cofferdam structures, in particular to a cofferdam structure for water conservancy project construction. Background Art

[0002] A cofferdam is a temporary retaining structure used during the construction of water conservancy projects to block water flow and prevent water and soil from entering the construction site of a building, providing a dry working environment for construction.

[0003] Cofferdams can block water flow, prevent water and soil from entering the construction area, and ensure the smooth progress of foundation pit excavation and building construction. Through the cofferdam, construction workers can work in a dry environment, improving construction efficiency and safety. However, when using existing cofferdam structures, it is usually difficult to quickly introduce external water into the cofferdam, it is not convenient to quickly discharge the water inside the cofferdam, and it is difficult to improve the stability of the cofferdam structure.

[0004] Therefore, a cofferdam structure for water conservancy project construction is proposed, which can quickly introduce external water into the cofferdam, facilitate the rapid discharge of water inside the cofferdam, and improve the stability of the cofferdam structure. Utility Model Content

[0005] In order to overcome the problems that the existing cofferdam structure is usually difficult to quickly introduce external water into the cofferdam, it is inconvenient to quickly discharge the water inside the cofferdam, and it is difficult to improve the stability of the cofferdam structure, a water conservancy project construction cofferdam structure is proposed.

[0006] The technical solution of the utility model is as follows: a water conservancy project construction cofferdam structure includes a water channel body; a water channel groove is provided at the upper end of the water channel body, two first grooves are provided on both side surfaces of the inner wall of the water channel groove, a lifting mechanism is provided at the upper end of the water channel body, a baffle is installed on the lifting mechanism, two arc grooves are provided at the upper end of the water channel body, the baffle is slidably arranged in the middle of the inner wall of the arc groove, the arc groove and the two first grooves on the same side are interconnected, two first enclosures and two second enclosures are fixedly connected to the inner wall of the water channel groove, the two first enclosures are located between the two second enclosures, a reinforcement mechanism is installed between the first enclosure and the second enclosure, a water inlet mechanism is provided at the upper end of the water channel body, the water inlet mechanism is located between the arc groove and the area enclosed by the two first enclosures, and a pumping mechanism for pumping water between the area enclosed by the two first enclosures is provided on the water channel body.

[0007] Preferably, the lifting mechanism includes a vertical block, a limiting groove, a cylinder, a lifting block and a connecting block; the upper end of the channel body is fixedly connected to the vertical block, the upper end of the vertical block is penetrated by a limiting groove, the inner wall of the limiting groove is fixedly connected to the cylinder, the lower end of the output shaft of the cylinder is fixedly connected to the lifting block, the lower end of the lifting block is fixedly connected to the connecting block, and the lower end of the connecting block is fixedly connected to the upper end of the baffle.

[0008] The lockhole that is formed on the two ends of the lifting block is formed on the upper end of the swing arm, and the lower end of the swing arm is fixed with a button bar, and the button bar end has a button bar at its upper end.

[0009] Preferably, the upper end surfaces of the second threaded column and the first threaded column are flush, the upper end surface of the first threaded column is higher than the upper end surface of the first enclosure, and the upper end surfaces of the first enclosure and the second enclosure are flush.

[0010] Preferably, the water inlet mechanism includes a water inlet trough, a blocking block, a water inlet pipe and a solenoid valve; four water inlet troughs are opened at the upper end of the channel body, and the two water inlet troughs on the same side are simultaneously communicated with the arc trough and the area enclosed by the two first enclosures. A blocking block is fixedly connected to the inner wall of the water inlet trough, and two water inlet pipes are fixedly connected to both ends of the blocking block, and a solenoid valve is provided on the water inlet pipe.

[0011] Preferably, the two second enclosure panels are located between the two first grooves on the same side.

[0012] Preferably, the pumping mechanism includes a water pump, a water pumping pipe and a water outlet pipe; two water pumps are fixedly connected to the upper end of the water channel body, the liquid pumping end of the water pump is fixedly connected to one end of the water pumping pipe, and the other end of the water pumping pipe extends to the area surrounded by the two first enclosures, the liquid outlet end of the water pump is fixedly connected to one end of the water outlet pipe, and the other end of the water outlet pipe extends into the first groove.

[0013] Beneficial effects of the utility model:

[0014] 1. By setting up a water inlet mechanism and four water inlet grooves, combined with the diversion characteristics of the arc-shaped groove, external water can be quickly introduced into the internal working area of the cofferdam through the water inlet pipe. The pumping mechanism adopts a dual water pump configuration, combined with the pumping pipe extending to the core area of the cofferdam, to achieve efficient external discharge of internal accumulated water to the first groove, forming a dynamic water circulation, effectively solving the problem of low drainage efficiency of traditional cofferdams;

[0015] 2. The lifting mechanism adopts a cylinder to drive the vertical movement of the baffle, which can quickly send water to the other end of the channel body through the arc groove. When water needs to be supplied between the two first panels, the solenoid valve on the water inlet mechanism is opened to inject water into the space enclosed by the two first panels and the channel body. The limit block is slid on the inner wall of the corresponding first trough body and the second trough body, so that the two through holes on the limit block are respectively fitted with the side walls of the corresponding first threaded column and the second threaded column, so that the first panel and the second panel can be reinforced, which solves the problem that the existing cofferdam structure is usually difficult to quickly introduce external water into the cofferdam, it is inconvenient to quickly discharge the water inside the cofferdam, and it is difficult to improve the stability of the cofferdam structure when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a three-dimensional structural diagram of the water conservancy project construction cofferdam structure of the utility model;

[0017] Figure 2 Shown is a three-dimensional structural diagram of the first cofferdam plate of the water conservancy project construction cofferdam structure of the present invention;

[0018] Figure 3 Shown is a three-dimensional disassembled structural diagram of the reinforcement mechanism of the water conservancy project construction cofferdam structure of the present invention;

[0019] Figure 4 Shown is a three-dimensional structural diagram of the water inlet mechanism of the water conservancy project construction cofferdam structure of the present utility model;

[0020] Figure 5 Shown is a three-dimensional structural diagram of the pumping mechanism of the water conservancy project construction cofferdam structure of the present utility model;

[0021] Figure 6 Shown is a schematic diagram of the three-dimensional structure of the first threaded column of the water conservancy project construction cofferdam structure of the utility model;

[0022] Figure 7 Shown is a three-dimensional structural schematic diagram of the barrier block of the water conservancy project construction cofferdam structure of the present invention.

[0023] The marks in the accompanying drawings are: 1. water channel body; 2. water channel groove; 201. first groove body; 202. first threaded column; 203. second groove body; 204. second threaded column; 205. movable column; 206. limit block; 207. through hole; 208. fixed column; 3. first groove; 4. vertical block; 5. limit groove; 6. cylinder; 7. lifting block; 8. connecting block; 9. baffle; 10. arc groove; 11. first enclosure; 12. second enclosure; 13. water inlet groove; 14. blocking block; 15. water inlet pipe; 16. solenoid valve; 17. water pump; 18. water suction pipe; 19. water outlet pipe. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Example 1: Example 1: Please refer to Figure 1-Figure 5 The cofferdam structure for water conservancy project construction includes a water channel body 1; a water channel groove 2 is provided at the upper end of the water channel body 1, and two first grooves 3 are provided on both sides of the inner wall of the water channel groove 2; a lifting mechanism is provided at the upper end of the water channel body 1, and a baffle 9 is installed on the lifting mechanism; two arc grooves 10 are provided at the upper end of the water channel body 1, and the baffle 9 is slidably arranged in the middle of the inner wall of the arc groove 10. The arc groove 10 and the two first grooves 3 on the same side are interconnected, and two first enclosures 11 and two second enclosures 3 are fixed to the inner wall of the water channel groove 2, and the two first enclosures 11 are located between the two second enclosures 12, and a reinforcement mechanism is installed between the first enclosure 11 and the second enclosure 12, and a water inlet mechanism is provided at the upper end of the water channel body 1, and the water inlet mechanism is located between the arc groove 10 and the area enclosed by the two first enclosures 11, and a pumping mechanism for pumping water between the area enclosed by the two first enclosures 11 is provided on the water channel body 1.

[0026] When in use, the water inlet mechanism can be turned on to allow the water in the arc groove 10 to flow into the two first panels 11, and the water pumping mechanism can be turned on to pump out the water between the two first panels 11. The reinforcement mechanism can be used to quickly reinforce the first panel 11 and the second panel 12.

[0027] See also Figure 1 In this embodiment, the lifting mechanism includes a vertical block 4, a limiting groove 5, a cylinder 6, a lifting block 7 and a connecting block 8; the upper end of the water channel body 1 is fixedly connected to the vertical block 4, the upper end of the vertical block 4 is penetrated by a limiting groove 5, the inner wall of the limiting groove 5 is fixedly connected to the cylinder 6, the lower end of the output shaft of the cylinder 6 is fixedly connected to the lifting block 7, the lower end of the lifting block 7 is fixedly connected to the connecting block 8, the lower end of the connecting block 8 is fixedly connected to the upper end of the baffle 9, and the cylinder 6 is turned on to move the baffle 9 upward, so that the water can flow in the arc groove 10.

[0028] See also Figure 1 and Figure 4 In this embodiment, the water inlet mechanism includes a water inlet trough 13, a blocking block 14, a water inlet pipe 15 and a solenoid valve 16; four water inlet troughs 13 are opened at the upper end of the water channel body 1, and the two water inlet troughs 13 on the same side are communicated with the area surrounded by the arc trough 10 and the two first enclosures 11. The inner wall of the water inlet trough 13 is fixedly connected with a blocking block 14, and two water inlet pipes 15 are fixedly connected to the two ends of the blocking block 14 in a through-type manner. The water inlet pipe 15 is provided with a solenoid valve 16. When the solenoid valve 16 is opened, the water in the arc trough 10 can enter between the two first enclosures 11 through the water inlet pipe 15.

[0029] See also Figure 1In this embodiment, the two second panels 12 are located between the two first grooves 3 on the same side.

[0030] See also Figure 1 and Figure 5 In this embodiment, the pumping mechanism includes a water pump 17, a pumping pipe 18 and a water outlet pipe 19; two water pumps 17 are fixedly connected to the upper end of the water channel body 1, the liquid pumping end of the water pump 17 is fixedly connected to one end of the pumping pipe 18, and the other end of the pumping pipe 18 extends to the area surrounded by the two first enclosures 11, and the liquid outlet end of the water pump 17 is fixedly connected to one end of the water outlet pipe 19, and the other end of the water outlet pipe 19 extends into the first groove 3. When it is necessary to discharge the water in the area surrounded by the two first enclosures 11 and the water channel body 1, turning on the water pump 17 can pump the water between the two first enclosures 11 into the first groove 3.

[0031] Example 2: Please refer to Figure 2 and Figure 3 , based on Example 1, the present application provides a technical solution: the reinforcement mechanism includes a first groove body 201, a first threaded column 202, a second groove body 203, a second threaded column 204, a movable column 205, a limit block 206, a through hole 207 and a fixed column 208; the ends of the two first enclosures 11 away from each other are each provided with a uniformly distributed first groove body 201, the upper end of the first groove body 201 passes through the upper end of the first enclosure 11, and the bottom surface of the inner wall of the first groove body 201 is threadedly installed with the first threaded column 202, and the ends of the two second enclosures 12 close to each other are each provided with a uniformly distributed second groove body 203, the upper end of the second groove body 203 passes through the upper end of the second enclosure 12, and the bottom surface of the inner wall of the second groove body 203 is threadedly installed with the second threaded column 204, the second groove body 203 and the first groove body 2 01 Correspondingly, the inner walls of the first trough body 201 and the second trough body 203 are slidably provided with a limit block 206, and the upper end of the limit block 206 is fixedly connected with a movable column 205, and the upper end of the movable column 205 is fixedly connected with a fixed column 208. Two through holes 207 are provided through the upper end of the limit block 206, and the two through holes 207 are symmetrical with each other about the movable column 205. The side walls of the corresponding second threaded column 204 and the first threaded column 202 are respectively fitted with the inner walls of the two through holes 207 on the limit block 206. The limit block 206 is slidably provided on the corresponding inner walls of the first trough body 201 and the second trough body 203, so that the two through holes 207 on the limit block 206 are respectively fitted with the side walls of the corresponding first threaded column 202 and the second threaded column 204, so that the first enclosure 11 and the second enclosure 12 can be reinforced.

[0032] See also Figure 2 and Figure 3In this embodiment, the upper end surfaces of the second threaded column 204 and the first threaded column 202 are flush, the upper end surface of the first threaded column 202 is higher than the upper end surface of the first enclosure 11, and the upper end surfaces of the first enclosure 11 and the second enclosure 12 are flush. The setting of the second threaded column 204 and the first threaded column 202 can improve the stability of the first enclosure 11 and the second enclosure 12 after installation.

[0033] Working principle: Two first panels 11 and two second panels 12 are installed on the inner wall of the water channel trough 2, so that the two first panels 11 are located between the two second panels 12. The first threaded column 202 is threadedly installed on the bottom surface of the inner wall of the first trough body 201, and the second threaded column 204 is threadedly installed on the bottom surface of the inner wall of the second trough body 203. The limiting block 206 is placed on the corresponding inner walls of the first trough body 201 and the second trough body 203, so that the inner walls of the two through holes 207 on the limiting block 206 are respectively in contact with the side walls of the corresponding second threaded column 204 and the first threaded column 202;

[0034] When water needs to be injected into the area enclosed by the two first enclosures 11 and the water channel 1, the solenoid valve 16 is opened to allow external water to flow from the water inlet pipe 15 into the area between the two first enclosures 11 through the first groove 3 and the arc-shaped groove 10;

[0035] When it is necessary to drain the water in the area enclosed by the two first panels 11 and the water channel 1, the water pump 17 is turned on to pump out the water in the two first panels 11. The water enclosed by the two first panels 11 can be pumped into the first groove 3, and then the water will flow into the water channel 2.

[0036] In addition, opening the cylinder 6 causes the connecting block 8 to move upward, causing the baffle 9 to move upward, so that the water in the channel 2 can flow out through the arc groove 10, so that the water in the channel body 1 can flow in the channel body 1 without passing through the area between the two first enclosures 11.

[0037] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A cofferdam structure for water conservancy project construction, comprising a water channel body (1); characterized in that: The upper end of the water channel body (1) is provided with a water channel groove (2), and two first grooves (3) are provided on both sides of the inner wall of the water channel groove (2). The upper end of the water channel body (1) is provided with a lifting mechanism, and a baffle (9) is installed on the lifting mechanism. The upper end of the water channel body (1) is provided with two arc grooves (10), and the baffle (9) is slidably provided in the middle of the inner wall of the arc groove (10). The arc groove (10) and the two first grooves (3) on the same side are interconnected. The inner wall of the water channel groove (2) is fixedly connected with Two first enclosures (11) and two second enclosures (12), the two first enclosures (11) are located between the two second enclosures (12), a reinforcement mechanism is installed between the first enclosures (11) and the second enclosures (12), a water inlet mechanism is provided at the upper end of the water channel body (1), the water inlet mechanism is located between the arc-shaped groove (10) and the area enclosed by the two first enclosures (11), and a pumping mechanism for pumping water between the area enclosed by the two first enclosures (11) is provided on the water channel body (1).

2. The water conservancy project construction cofferdam structure according to claim 1, characterized in that: The lifting mechanism comprises a vertical block (4), a limiting groove (5), a cylinder (6), a lifting block (7) and a connecting block (8); the upper end of the water channel body (1) is fixedly connected to the vertical block (4), the upper end of the vertical block (4) is penetrated by a limiting groove (5), the inner wall of the limiting groove (5) is fixedly connected to the cylinder (6), the lower end of the output shaft of the cylinder (6) is fixedly connected to the lifting block (7), the lower end of the lifting block (7) is fixedly connected to the connecting block (8), and the lower end of the connecting block (8) is fixedly connected to the upper end of the baffle (9).

3. The water conservancy project construction cofferdam structure according to claim 1, characterized in that: The reinforcement mechanism includes a first trough (201), a first threaded column (202), a second trough (203), a second threaded column (204), a movable column (205), a limit block (206), a through hole (207) and a fixed column (208); the ends of the two first enclosures (11) away from each other are each provided with a uniformly distributed first trough (201), the upper end of the first trough (201) passes through the upper end of the first enclosure (11), the bottom surface of the inner wall of the first trough (201) is threadedly installed with a first threaded column (202), the ends of the two second enclosures (12) close to each other are each provided with a uniformly distributed second trough (203), the upper end of the second trough (203) passes through the upper end of the second enclosure (12), and the second The bottom surface of the inner wall of the trough body (203) is threadedly installed with a second threaded column (204), the second trough body (203) corresponds to the first trough body (201), and the inner walls of the first trough body (201) and the second trough body (203) are slidably provided with a limit block (206), the upper end of the limit block (206) is fixedly connected with a movable column (205), the upper end of the movable column (205) is fixedly connected with a fixed column (208), and the upper end of the limit block (206) is provided with two through holes (207), the two through holes (207) are symmetrical with respect to the movable column (205), and the side walls of the corresponding second threaded column (204) and the first threaded column (202) are respectively fitted with the inner walls of the two through holes (207) on the limit block (206).

4. The water conservancy project construction cofferdam structure according to claim 3, characterized in that: The upper end surfaces of the second threaded column (204) and the first threaded column (202) are flush, the upper end surface of the first threaded column (202) is higher than the upper end surface of the first enclosure (11), and the upper end surfaces of the first enclosure (11) and the second enclosure (12) are flush.

5. The water conservancy project construction cofferdam structure according to claim 1, characterized in that: The water inlet mechanism comprises a water inlet trough (13), a blocking block (14), a water inlet pipe (15) and a solenoid valve (16); four water inlet troughs (13) are provided at the upper end of the water channel body (1), two water inlet troughs (13) on the same side are communicated with the arc-shaped trough (10) and the area enclosed by the two first enclosure plates (11), the inner wall of the water inlet trough (13) is fixedly connected with a blocking block (14), and two water inlet pipes (15) are fixedly connected to both ends of the blocking block (14), and the water inlet pipes (15) are provided with a solenoid valve (16).

6. The water conservancy project construction cofferdam structure according to claim 1, characterized in that: The two second enclosure plates (12) are located between the two first grooves (3) on the same side.

7. The water conservancy project construction cofferdam structure according to claim 1, characterized in that: The pumping mechanism includes a water pump (17), a water pumping pipe (18) and a water outlet pipe (19); the upper end of the water channel body (1) is fixedly connected to two water pumps (17); the liquid pumping end of the water pump (17) is fixedly connected to one end of the water pumping pipe (18); the other end of the water pumping pipe (18) extends to the area surrounded by the two first enclosure plates (11); the liquid outlet end of the water pump (17) is fixedly connected to one end of the water outlet pipe (19); the other end of the water outlet pipe (19) extends into the first groove (3).

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