Water conservancy construction cofferdam device

Abstract

The utility model relates to the technical field of water conservancy, in particular to a water conservancy construction cofferdam device which comprises a first cofferdam pipe, an annular groove is formed in one side of the first cofferdam pipe, a second cofferdam pipe is connected into the annular groove in a sliding mode, and a first connecting plate is fixedly connected to the middle of the inner wall of the first cofferdam pipe. The cofferdam has the advantages that the lead screw is driven by the rotating motor to rotate, the rectangular column is in sliding connection with the sleeve to achieve the limiting and stabilizing effects, the lead screw is in threaded connection with the rectangular column, the lead screw rotates to drive the rectangular column to move up and down, the rectangular column is fixedly connected with the second cofferdam pipe through the second connecting plate, and then the second cofferdam pipe can be driven to move up and down; when emergency occurs, the second cofferdam pipe can be lifted to play a role in protection and prevent rising water flow from entering the first cofferdam pipe, when the second cofferdam pipe moves upwards, the first cofferdam pipe and the second cofferdam pipe can be sealed, water leakage is prevented, and the reliability of the cofferdam is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy, in particular to a water conservancy construction cofferdam device. Background Art

[0002] A water conservancy construction cofferdam device refers to a temporary retaining structure built in the construction of permanent water conservancy facilities during water conservancy project construction. Its function is to prevent water and soil from entering the construction site of the building so as to drain water, excavate foundation pits, and build buildings within the cofferdam. It is generally used in hydraulic structures. Except as part of a formal building, the cofferdam is generally dismantled after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period.

[0003] Chinese utility model CN213267954U discloses a water conservancy construction cofferdam device. When multiple layers of cofferdam plates are stacked, blind holes are engaged with connecting columns, and locking clips are engaged and placed inside rubber gaskets, so that the multiple layers of cofferdam plates remain sealed and waterproof when stacked. Bolts passing through the sides of the first connecting frame and the auxiliary connecting frame improve the waterproof performance of the equipment. The equipment is easy for staff to operate during use, and the device is easy to install and disassemble. However, when high tide or extremely bad weather occurs, the water level may rise rapidly, which may overflow the cofferdam device, thereby increasing the danger of construction workers in the cofferdam. The height of the cofferdam cannot be adjusted, and it lacks flexibility. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a water conservancy construction cofferdam device, which effectively solves the deficiencies of the prior art.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the utility model on one side provides a water conservancy construction cofferdam device, including a first cofferdam pipe, a ring groove is opened on one side of the first cofferdam pipe, a second cofferdam pipe is slidably connected inside the ring groove, a first connecting plate is fixedly connected to the middle part of the inner wall of the first cofferdam pipe, a sleeve is fixedly connected to the center of the top surface of the first connecting plate, a rotating motor is fixedly connected to the bottom of the inner wall of the sleeve, a screw rod is fixedly connected to the output end of the rotating motor, a rectangular column is slidably connected inside the sleeve, the rectangular column is threadedly connected to the screw rod, the top surface of the rectangular column is fixedly connected to the second connecting plate, both ends of the second connecting plate are fixedly connected to the top of the second cofferdam pipe, two first circular rings are fixedly connected to the position of the annular groove near the top of the first cofferdam pipe, two first annular grooves are formed between the first circular ring and the annular groove, two second circular rings are fixedly connected to the bottom of the second cofferdam pipe, and two second annular grooves are formed between the two second circular rings and the second cofferdam pipe.

[0006] Preferably, any of the above schemes is that the positions of the two first circular rings correspond to the positions of the two second annular grooves, and the positions of the two second circular rings correspond to the positions of the two first annular grooves.

[0007] The technical effect achieved by adopting the above scheme is: by using this scheme, when the second cofferdam tube moves upward, the two first rings can be respectively stuck into the interior of the two second annular grooves, and at the same time, the two second rings can be respectively stuck into the interior of the two first annular grooves, which can play a role in sealing the first cofferdam tube and the second cofferdam tube, prevent water leakage, and increase the reliability of the utility model.

[0008] Preferably, any of the above schemes is that a pump is fixedly connected to the top surface of the first connecting plate near the sleeve, and a hose is fixedly connected to the output end and the input end of the pump.

[0009] The technical effect achieved by adopting the above scheme is: by using this scheme, the water inside the first cofferdam pipe can be discharged using a pump and a hose, one end of the hose is inside the first cofferdam pipe and the other end is outside the first cofferdam pipe, which can be used in an emergency in case of water leakage, thereby increasing the safety of the utility model.

[0010] Preferably, any of the above schemes is that a battery is fixedly connected to the top surface of the first connecting plate, a waterproof shell is fixedly connected to the outer side of the battery, and the power output end of the battery is electrically connected to the power input end of the rotating motor and the pump.

[0011] The technical effect achieved by adopting the above scheme is that by using this scheme, the rotating motor and the pump can be used without an external power supply, thereby increasing the convenience of the utility model.

[0012] Preferably, any of the above schemes is that a guide block is fixedly connected to one side of the first cofferdam pipe, and the guide block is triangular in shape.

[0013] The technical effect achieved by adopting the above scheme is: by using this scheme, the water flow can be guided. When working in a flowing river, the impact of the flowing water on the outer wall of the first cofferdam pipe can be reduced, the pressure of the first cofferdam pipe can be reduced, and the reliability of the utility model can be increased.

[0014] Preferably, any of the above schemes is that a fixing ring is fixedly connected to the bottom of the first cofferdam pipe, a chamfer is provided at the bottom of the fixing ring, and a plurality of fixing columns are fixedly connected to the bottom of the first cofferdam pipe.

[0015] The technical effect achieved by adopting the above scheme is that the fixing ring and the fixing column can be inserted into the river bottom by using the scheme, thereby further fixing the utility model.

[0016] The utility model has the following advantages:

[0017] 1. This water conservancy construction cofferdam device drives the screw to rotate by rotating the motor, and the rectangular column and the sleeve are slidably connected to play a role of limiting and stabilizing, the screw is threadedly connected to the rectangular column, and the rotation of the screw drives the rectangular column to move up and down, and the rectangular column is fixedly connected to the second cofferdam pipe through the second connecting plate, so as to drive the second cofferdam pipe to move up and down, and in case of emergency, the second cofferdam pipe can be raised to play a protective role to prevent the rising water from entering the interior of the first cofferdam pipe, and when the second cofferdam pipe moves upward, the two first rings are respectively inserted into the interiors of the two second ring grooves, and at the same time, the two second rings can be respectively inserted into the interiors of the two first ring grooves, which can play a role of sealing the first cofferdam pipe and the second cofferdam pipe to prevent water leakage, thereby further increasing the reliability of the utility model.

[0018] 2. This kind of water conservancy construction cofferdam device can guide the water flow through the guide block on the outer wall of the first cofferdam tube. When working in a flowing river, the guide block will reduce the direct impact of the water flow on the outer wall of the first cofferdam tube, preventing the utility model from being dislocated or moved due to the impact of the water flow, thereby affecting the normal construction. In conjunction with the fixing ring and the fixing column at the bottom of the first cofferdam tube, the fixing ring and the fixing column are inserted into the river bottom during operation, thereby playing a further fixing role. It is also more user-friendly while ensuring stability. Through the pump and the hose, the leaking water inside the first cofferdam tube can be discharged in an emergency, thereby increasing the safety of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the first view of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure inside the first cofferdam pipe of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model cutaway;

[0022] Figure 4 It is a structural schematic diagram of the second view of the utility model;

[0023] Figure 5 It is a schematic structural diagram of the first cofferdam pipe cutaway of the utility model;

[0024] Figure 6 It is a schematic structural diagram of the cutaway of the second cofferdam pipe of the utility model.

[0025] In the figure: 1-first cofferdam tube, 2-second cofferdam tube, 3-second connecting plate, 4-rectangular column, 5-hose, 6-sleeve, 7-guide block, 8-fixing column, 9-first circular ring, 10-second annular groove, 11-second circular ring, 12-annular groove, 13-first annular groove, 14-fixing ring, 15-waterproof housing, 16-rotating motor, 17-pump, 18-first connecting plate, 19-battery, 20-screw. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0027] like Figures 1 to 6 As shown, a water conservancy construction cofferdam device comprises a first cofferdam pipe 1, a circular groove 12 is provided on one side of the first cofferdam pipe 1, a second cofferdam pipe 2 is slidably connected inside the circular groove 12, a first connecting plate 18 is fixedly connected to the middle of the inner wall of the first cofferdam pipe 1, a sleeve 6 is fixedly connected to the center of the top surface of the first connecting plate 18, a rotating motor 16 is fixedly connected to the bottom of the inner wall of the sleeve 6, a screw rod 20 is fixedly connected to the output end of the rotating motor 16, a rectangular column 4 is slidably connected inside the sleeve 6, the rectangular column 4 is threadedly connected to the screw rod 20, a second connecting plate 3 is fixedly connected to the top surface of the rectangular column 4, both ends of the second connecting plate 3 are fixedly connected to the top of the second cofferdam pipe 2, two first circular rings 9 are fixedly connected to the position of the circular groove 12 near the top of the first cofferdam pipe 1, two first circular grooves 13 are formed between the first circular ring 9 and the circular groove 12, two second circular rings 11 are fixedly connected to the bottom of the second cofferdam pipe 2, and two second circular rings 11 and the second cofferdam pipe 2 are formed between the two second circular rings 11 and the second cofferdam pipe 2.

[0028] As an optional technical solution of the present invention, the positions of the two first rings 9 correspond to the positions of the two second annular grooves 10, and the positions of the two second rings 11 correspond to the positions of the two first annular grooves 13. By using this solution, when the second cofferdam tube 2 moves upward, the two first rings 9 can be respectively inserted into the inside of the two second annular grooves 10, and at the same time, the two second rings 11 can be respectively inserted into the inside of the two first annular grooves 13, which can play a role in sealing the first cofferdam tube 1 and the second cofferdam tube 2 to prevent water leakage and increase the reliability of the present invention.

[0029] As an optional technical solution of the present utility model, a pump 17 is fixedly connected to the top surface of the first connecting plate 18 near the sleeve 6, and the output end and the input end of the pump 17 are fixedly connected to the hose 5. By using this solution, the water inside the first cofferdam pipe 1 can be discharged by using the pump 17 and the hose 5. One end of the hose 5 is inside the first cofferdam pipe 1 and the other end is outside the first cofferdam pipe 1. It can be used in an emergency in case of water leakage, thereby increasing the safety of the present utility model.

[0030] As an optional technical solution of the present utility model, a battery 19 is fixedly connected to the top surface of the first connecting plate 18, a waterproof housing 15 is fixedly connected to the outer side of the battery 19, and the power output end of the battery 19 is electrically connected to the power input end of the rotating motor 16 and the pump 17. By using this solution, the rotating motor 16 and the pump 17 can be used without an external power supply, thereby increasing the convenience of the present utility model.

[0031] As an optional technical solution of the present invention, a guide block 7 is fixedly connected to one side of the first cofferdam pipe 1. The guide block 7 is triangular in shape. By using this solution, it can guide the water flow. When working in a flowing river, it can reduce the impact of the flowing water on the outer wall of the first cofferdam pipe 1, reduce the pressure of the first cofferdam pipe 1, and increase the reliability of the present invention.

[0032] As an optional technical solution of the present invention, a fixing ring 14 is fixedly connected to the bottom of the first cofferdam pipe 1, and a chamfer is provided at the bottom of the fixing ring 14. A plurality of fixing columns 8 are fixedly connected to the bottom of the first cofferdam pipe 1. By using this solution, the fixing ring 14 and the fixing columns 8 can be inserted into the river bottom, thereby further fixing the present invention.

[0033] The water conservancy construction cofferdam device requires the following steps when in use:

[0034] 1) The screw rod 20 is driven to rotate by the rotating motor 16, and the rectangular column 4 is slidably connected with the sleeve 6 to play a role of limiting and stabilizing. The screw rod 20 is threadedly connected with the rectangular column 4. The screw rod 20 rotates to drive the rectangular column 4 to move up and down. The rectangular column 4 is fixedly connected to the second cofferdam pipe 2 through the second connecting plate 3, so that the second cofferdam pipe 2 can be driven to move up and down. In an emergency, the second cofferdam pipe 2 can be raised to play a protective role to prevent the rising water from entering the first cofferdam pipe 1. When the second cofferdam pipe 2 moves upward, the two first rings 9 are respectively inserted into the inside of the two second annular grooves 10, and the two second rings 11 can be respectively inserted into the inside of the two first annular grooves 13, which can play a role in sealing the first cofferdam pipe 1 and the second cofferdam pipe 2 to prevent water leakage, thereby further increasing the reliability of the utility model;

[0035] 2) The guide block 7 on the outer wall of the first cofferdam pipe 1 can guide the water flow. When working in a flowing river, the guide block 7 can reduce the direct impact of the water flow on the outer wall of the first cofferdam pipe 1, thereby preventing the utility model from being dislocated or moved due to the impact of the water flow, thereby affecting normal construction;

[0036] 3) Cooperating with the fixing ring 14 and the fixing column 8 at the bottom of the first cofferdam pipe 1, the fixing ring 14 and the fixing column 8 are both inserted into the river bottom during operation, which plays a role of further fixing. Under the premise of ensuring stability, it is also more humane. Through the pump 17 and the hose 5, the leaking water inside the first cofferdam pipe 1 can be discharged in an emergency, thereby increasing the safety of the utility model.

[0037] To sum up, when the user uses it, the motor 16 is rotated to drive the screw rod 20 to rotate, and the rectangular column 4 is slidably connected to the sleeve 6 to play a role of limiting and stabilizing. The screw rod 20 is threadedly connected to the rectangular column 4, and the rotation of the screw rod 20 drives the rectangular column 4 to move up and down. The rectangular column 4 is fixedly connected to the second cofferdam tube 2 through the second connecting plate 3, which can drive the second cofferdam tube 2 to move up and down. In an emergency, the second cofferdam tube 2 can be raised to play a protective role to prevent the rising water from entering the interior of the first cofferdam tube 1. When the second cofferdam tube 2 moves upward, the two first rings 9 are respectively inserted into the interiors of the two second annular grooves 10, and at the same time, the two second rings 11 can be respectively inserted into the interiors of the two first annular grooves 13, which can play a role in protecting the first cofferdam tube 2. The weir pipe 1 and the second cofferdam pipe 2 are sealed to prevent water leakage, further increasing the reliability of the utility model. The guide block 7 on the outer wall of the first cofferdam pipe 1 can guide the water flow. When working in a flowing river, the guide block 7 can reduce the direct impact of the water flow on the outer wall of the first cofferdam pipe 1, preventing the utility model from being dislocated or moved due to the impact of the water flow, thereby affecting normal construction. Finally, in conjunction with the fixing ring 14 and the fixing column 8 at the bottom of the first cofferdam pipe 1, the fixing ring 14 and the fixing column 8 are inserted into the river bottom during operation, thereby playing a further fixing role. While ensuring stability, it is also more user-friendly. The pump 17 and the hose 5 can be used to discharge the leaking water inside the first cofferdam pipe 1 in an emergency, thereby increasing the safety of the utility model.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water conservancy construction cofferdam device, characterized in that: The invention comprises a first cofferdam tube (1), one side of the first cofferdam tube (1) is provided with an annular groove (12), the inside of the annular groove (12) is slidably connected to a second cofferdam tube (2), a first connecting plate (18) is fixedly connected to the middle of the inner wall of the first cofferdam tube (1), a sleeve (6) is fixedly connected to the center of the top surface of the first connecting plate (18), a rotating motor (16) is fixedly connected to the bottom of the inner wall of the sleeve (6), a screw rod (20) is fixedly connected to the output end of the rotating motor (16), a rectangular column (4) is slidably connected to the inside of the sleeve (6), and the rectangular column (4) and the screw rod (20) threaded connection, the top surface of the rectangular column (4) is fixedly connected with a second connecting plate (3), both ends of the second connecting plate (3) are fixedly connected with the top of the second cofferdam tube (2), the annular groove (12) is fixedly connected with two first circular rings (9) at a position close to the top of the first cofferdam tube (1), two first circular grooves (13) are formed between the first circular rings (9) and the annular groove (12), the bottom of the second cofferdam tube (2) is fixedly connected with two second circular rings (11), two second circular grooves (10) are formed between the two second circular rings (11) and the second cofferdam tube (2).

2. A water conservancy construction cofferdam device according to claim 1, characterized in that: The positions of the two first circular rings (9) correspond to the positions of the two second annular grooves (10), and the positions of the two second circular rings (11) correspond to the positions of the two first annular grooves (13).

3. A water conservancy construction cofferdam device according to claim 2, characterized in that: A pump (17) is fixedly connected to the top surface of the first connecting plate (18) near the sleeve (6), and a hose (5) is fixedly connected to both the output end and the input end of the pump (17).

4. A water conservancy construction cofferdam device according to claim 3, characterized in that: A storage battery (19) is fixedly connected to the top surface of the first connecting plate (18), a waterproof housing (15) is fixedly connected to the outer side of the storage battery (19), and an electric energy output end of the storage battery (19) is electrically connected to an electric energy input end of the rotating motor (16) and the pump (17).

5. A water conservancy construction cofferdam device according to claim 4, characterized in that: A guide block (7) is fixedly connected to one side of the first cofferdam pipe (1), and the guide block (7) is triangular in shape.

6. A water conservancy construction cofferdam device according to claim 5, characterized in that: A fixing ring (14) is fixedly connected to the bottom of the first cofferdam pipe (1), the bottom of the fixing ring (14) is provided with a chamfer, and a plurality of fixing columns (8) are fixedly connected to the bottom of the first cofferdam pipe (1).

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