Water conservancy construction cofferdam device and using method thereof

Abstract

The invention discloses a water conservancy construction cofferdam device and a use method thereof, relates to the field of water conservancy construction, and solves the problems that when an existing water conservancy construction cofferdam device is used, flexible adjustment is difficult according to the water flow direction and the water level height, and the use stability of equipment is improved while resistance is reduced. Comprising a rotating ring, an arc-shaped base, a cofferdam mechanism, a reinforcing mechanism and an adjusting mechanism, the cofferdam mechanism comprises a fixing frame and a baffle, and the reinforcing mechanism comprises an elastic plate, a first positioning rod and a rotating piece. The rotating part is driven to drive the baffles to rotate, the corner position of the fixing frame is opposite to the water flow direction, front impact of water flow on the baffles is reduced, meanwhile, the first positioning rod at the bottom of the baffle opposite to the water flow direction is linked to move downwards to be inserted into the water bottom, supporting force is improved, the height of the water level is sensed through the adjusting mechanism, and the overall height of the cofferdam is adjusted.

Description

Technical Field

[0001] The present invention relates to the technical field of water conservancy construction, and particularly to a water conservancy construction cofferdam device and a using method thereof. Background Technique

[0002] A cofferdam refers to a temporary enclosure structure built during the construction of water conservancy projects for constructing permanent water conservancy facilities. Its function is to prevent water and soil from entering the construction location of the building, so as to drain water inside the cofferdam, excavate the foundation pit, and build the building. Cofferdams are generally mainly used in water conservancy construction. Except as a part of the formal building, they are generally demolished after use. The height of the cofferdam is higher than the highest water level that may occur during the construction period. Its function can not only prevent water and enclose water, but also support the pit wall of the foundation pit.

[0003] When the existing water conservancy construction cofferdam device is in use, the position of the baffle is relatively fixed. Due to changes in factors such as tides and wind directions, the water flow direction and the height of the water body will also change. The baffle of the existing cofferdam device is in a vertical state. When the water flow direction is perpendicular to the baffle, the impact force on the overall baffle is relatively large. And the service life of the cofferdam equipment is generally up to several weeks. The frequent change of the water flow direction will cause the connection between the cofferdam and the bottom of the water body to become loose, affecting the stability of the cofferdam device, and thus prone to water seepage. When the water level changes, the height of the existing cofferdam device is relatively fixed and cannot be flexibly adjusted according to the water level height. It is often necessary to set a height far above the water surface, resulting in low disassembly and assembly efficiency. Moreover, the wind resistance on the side of the cofferdam will also increase correspondingly in strong wind weather, affecting the overall stability of the equipment. Summary of the Invention

[0004] The purpose of the present invention is to provide a water conservancy construction cofferdam device and a using method thereof that are convenient for improving the adaptability of the cofferdam device to water flow and water level changes and enhancing the overall stability of the device, so as to solve the problems raised in the above background technique.

[0005] To achieve the above object, the present invention provides the following technical solution: A water conservancy construction cofferdam device, including a rotating ring, a cofferdam mechanism, a reinforcement mechanism, and an adjustment mechanism. The bottom of the rotating ring is rotatably connected to multiple arc-shaped bases, and the ends of the multiple arc-shaped bases are connected to each other to form a circular ring. The cofferdam mechanism includes multiple fixing frames uniformly and fixedly installed on the upper side of the rotating ring. A baffle is provided between adjacent fixing frames. By assembling and splicing the baffle with the fixing frames, the function of sealing the cofferdam can be realized. The reinforcement mechanism includes an elastic plate installed on the side of the baffle. Multiple first positioning rods are provided at the bottom of the baffle. A rotating member for driving the relative rotation adjustment of the rotating ring is provided on the arc-shaped base. By sensing the water pressure intensity around the baffle through the elastic plate, judging the water flow direction, driving the rotating member to drive the rotating ring and the baffle to rotate together, so that the corner position of the fixing frame is opposite to the water flow direction, reducing the frontal impact of the water flow on the baffle. At the same time, the first positioning rods at the bottom of the baffle on the side opposite to the water flow direction are linked to move downward and insert into the water bottom, improving the supporting force. The adjustment mechanism is installed inside the fixing frame and the baffle, used to sense the height of the water level and adjust the overall height of the cofferdam, preventing water from entering the inside of the cofferdam when the water level increases, facilitating improving the adaptability of the cofferdam device to water flow and water level changes, and enhancing the overall stability of the device.

[0006] Preferably, the cofferdam mechanism further includes multiple bottom plates fixedly installed on the upper side of the rotating ring. The fixing frame is bent, and insertion slots capable of vertically inserting the baffle are provided on both sides of the fixing frame. A first connection buckle capable of fixedly connecting with the side of the baffle is fixedly connected to the side of the fixing frame, facilitating realizing the function of sealing the cofferdam by assembling and splicing the baffle with the fixing frames.

[0007] Preferably, the reinforcement mechanism further includes a top plate fixedly installed between adjacent fixing frames. The top surface and the bottom surface of the elastic plate are respectively in sliding fit with the top plate and the bottom plate. A guiding groove is provided on the side of the fixing frame. Both ends of the elastic plate are respectively fixedly connected with guiding blocks slidably connected to the inner wall of the guiding groove in the horizontal direction. A reset spring fixedly connected with the guiding groove is fixedly connected to the side of the guiding block. A control member for controlling the lifting adjustment of the first positioning rod is provided inside the baffle, facilitating improving the overall stability of the cofferdam device.

[0008] Preferably, the control member includes a lifting block fixedly installed at the top of the first positioning rod. A lifting groove is formed at the bottom of the baffle. The lifting block is slidably connected to the inner wall of the lifting groove in the vertical direction. A tension spring fixedly connected to the top of the lifting block and the top of the lifting groove is provided. A communication pipe communicating with the tops of multiple groups of the lifting grooves is formed in the baffle. A pressurizing member for pressurizing the communication pipe on the opposite side according to the force intensity of the elastic plate is provided on the elastic plate, facilitating the lifting adjustment of the first positioning rod.

[0009] Preferably, the pressurizing member includes a storage box fixedly installed on the bottom plate. A pressurizing block slidably connected to the inner wall of the storage box in the horizontal direction is fixedly connected to the side of the elastic plate. Multiple arc-shaped pipes are fixedly connected inside the rotating ring. Two ends of each arc-shaped pipe are respectively connected and communicated with a first pipe and a second pipe. The first pipe is connected and communicated with the storage box. A third pipe capable of being connected and communicated with the communication pipe and the second pipe is fixedly connected in the baffle, facilitating pressurizing the communication pipe on the opposite side according to the force intensity of the elastic plate.

[0010] Preferably, the adjusting mechanism includes a first lifting plate slidably connected to the inner wall of the fixed frame in the vertical direction. A device groove is formed in the baffle. A second lifting plate is slidably connected in the device groove in the vertical direction. The side of the first lifting plate can be slidably attached to the side of the second lifting plate. A connecting bolt capable of connecting to the upper side of the second lifting plate is provided on the upper side of the first lifting plate. A floating block is fixedly connected to the upper end side of the second lifting plate, facilitating sensing the water level height and adjusting the overall height of the cofferdam to prevent water from entering the cofferdam when the water level rises.

[0011] Preferably, the rotating member includes a driving motor fixedly installed on any one of the fixed frames. A driving gear is coaxially and fixedly connected to the output end of the driving motor. An arc-shaped toothed ring is fixedly connected to the inner wall of the arc-shaped base. Multiple groups of the arc-shaped toothed rings can be connected to form a circular ring. The driving gear meshes with the arc-shaped toothed ring. A pressure sensor is fixedly connected in the storage box. A controller electrically connected to the pressure sensor and the driving motor is provided in the storage box. The controller is used to sense the value of the pressure sensor and control the rotation angle of the driving gear, facilitating the relative rotation adjustment of the rotating ring.

[0012] Preferably, a protective plate slidably attached to the outer wall of the fixed frame is fixedly connected to the side of the guiding block, facilitating preventing sediment from entering the guiding groove and affecting the sliding of the guiding block.

[0013] Preferably, a second connecting buckle is fixedly connected between multiple groups of the arc-shaped bases, and a plurality of groups of second positioning rods are evenly and fixedly connected to the bottom of the arc-shaped base, so as to stably connect the arc-shaped base and fix it to the bottom of the water.

[0014] A method for using a water conservancy construction cofferdam device comprises the following steps: S1. Fix the arc-shaped base on the bottom of the water, then install the rotating ring on the arc-shaped base, and install the baffle between adjacent fixed frames to form a cofferdam device. Pump out the water inside the cofferdam, and then you can carry out the construction operation; S2. The elastic plate senses the water pressure around the baffle, determines the direction of the water flow, drives the rotating member to drive the rotating ring and the baffle to rotate together, so that the rotation angle of the fixed frame is opposite to the direction of the water flow, reducing the front impact of the water flow on the baffle, and at the same time, the first positioning rod at the bottom of the baffle on the opposite side is moved downward and inserted into the water bottom in linkage with the water flow to enhance the supporting force; S3. The height of the water level is sensed by the regulating mechanism, and the height of the cofferdam is adjusted to prevent water from entering the cofferdam when the water level increases; S4. After the internal construction is completed, remove the baffle first, then remove the rotating ring and the arc base separately, and the whole equipment can be reassembled and used.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The invention provides a water conservancy construction cofferdam device and a method of using the same, which solves the problem that the existing water conservancy construction cofferdam device is difficult to flexibly adjust according to the water flow direction and water level height when in use, reduces resistance and improves the stability of equipment use. The baffle plate and the fixed frame are assembled and spliced ​​to achieve the function of sealing the cofferdam, and the water pressure strength around the baffle plate is sensed by the elastic plate to judge the water flow direction, and the rotating member is driven to drive the rotating ring to rotate together with the baffle plate, so that the angular position of the fixed frame is opposite to the water flow direction, thereby reducing the frontal impact of the water flow on the baffle plate, and at the same time, the first positioning rod at the bottom of the baffle plate on the opposite side is moved downward and inserted into the bottom of the water to increase the supporting force, and the height of the water level is sensed by the adjusting mechanism, and the height of the cofferdam is adjusted as a whole to avoid water entering the cofferdam when the water level increases. The device is more flexible in adjustment while producing a fencing effect, and also avoids the situation that the cofferdam is too high above the water surface, which increases the wind resistance and affects the stability of the equipment. The equipment as a whole can be repeatedly assembled and used, and the disassembly and assembly are convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the local structure of the rotating part of the present invention; Figure 3 for Figure 2 A magnified image of the middle A area; Figure 4 This is a schematic diagram of the partial structure of the cofferdam mechanism of the present invention; Figure 5 This is a schematic diagram of the partial structure of the reinforcement mechanism of the present invention; Figure 6 is Figure 5 the enlarged view of area B in Figure 7 This is a cross-sectional view of the partial structure of the reinforcement mechanism of the present invention; Figure 8 is Figure 7 the enlarged view of area C in Figure 9 This is an exploded view of the partial structure of the adjustment mechanism of the present invention; Figure 10 is Figure 9 the enlarged view of area D in

[0017] In the figure: 1 - rotating ring; 2 - arc-shaped base; 3 - cofferdam mechanism; 4 - fixing frame; 5 - baffle; 6 - reinforcement mechanism; 7 - elastic plate; 8 - first positioning rod; 9 - rotating part; 10 - adjustment mechanism; 11 - bottom plate; 12 - insertion slot; 13 - first connection buckle; 14 - top plate; 15 - guide slot; 16 - guide block; 17 - return spring; 18 - control part; 19 - lifting block; 20 - lifting slot; 21 - tension spring; 22 - connecting pipe; 23 - pressurizing part; 24 - storage box; 25 - pressurizing block; 26 - arc-shaped pipe; 27 - first pipe; 28 - second pipe; 29 - third pipe; 30 - first lifting plate; 31 - device slot; 32 - second lifting plate; 33 - connecting bolt; 34 - floating block; 35 - driving motor; 36 - driving gear; 37 - arc-shaped gear ring; 38 - pressure sensor; 39 - protective plate; 40 - second connection buckle; 41 - second positioning rod. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1 - 10, the present invention provides a technical solution: a water conservancy construction cofferdam device, including a rotating ring 1, a cofferdam mechanism 3, a reinforcement mechanism 6 and an adjustment mechanism 10. The bottom of the rotating ring 1 is rotatably connected with multiple arc-shaped bases 2, and the ends of the multiple arc-shaped bases 2 are connected to form a circular ring. The cofferdam mechanism 3 includes multiple fixing frames 4 uniformly and fixedly installed on the upper side of the rotating ring 1. A baffle 5 is arranged between adjacent fixing frames 4. By assembling and splicing the baffle 5 with the fixing frames 4, the function of sealing the cofferdam can be realized. The reinforcement mechanism 6 includes an elastic plate 7 installed on the side of the baffle 5. Multiple first positioning rods 8 are arranged at the bottom of the baffle 5. A rotating member 9 for driving the relative rotation adjustment of the rotating ring 1 is arranged on the arc-shaped base 2. By sensing the water pressure intensity around the baffle 5 through the elastic plate 7, judging the water flow direction, and driving the rotating member 9 to drive the rotating ring 1 and the baffle 5 to rotate together, the corner position of the fixing frame 4 is opposite to the water flow direction, reducing the frontal impact of the water flow on the baffle 5. At the same time, the first positioning rods 8 at the bottom of the baffle 5 on the side opposite to the water flow direction are linked to move downward and insert into the water bottom, improving the supporting force. The adjustment mechanism 10 is installed inside the fixing frame 4 and the baffle 5, used to sense the height of the water level and adjust the overall height of the cofferdam to prevent water from entering the inside of the cofferdam when the water level increases.

[0020] The cofferdam mechanism 3 further includes multiple bottom plates 11 fixedly installed on the upper side of the rotating ring 1. The fixing frame 4 is bent, and insertion slots 12 capable of vertically inserting the baffle 5 are provided at both sides of the fixing frame 4. A first connection buckle 13 capable of fixedly connecting with the side of the baffle 5 is fixedly connected to the side of the fixing frame 4. A second connection buckle 40 is fixedly connected between the multiple arc-shaped bases 2, and multiple second positioning rods 41 are uniformly and fixedly connected to the bottom of the arc-shaped base 2.

[0021] The reinforcement mechanism 6 further includes a top plate 14 fixedly installed between adjacent fixing frames 4. The top and bottom surfaces of the elastic plate 7 are respectively in sliding fit with the top plate 14 and the bottom plate 11. A guiding groove 15 is provided on the side of the fixing frame 4. Both ends of the elastic plate 7 are respectively fixedly connected with guiding blocks 16 that are slidably connected to the inner wall of the guiding groove 15 in the horizontal direction. A return spring 17 fixedly connected with the guiding groove 15 is fixedly connected to the side of the guiding block 16. A protective plate 39 slidably attached to the outer wall of the fixing frame 4 is fixedly connected to the side of the guiding block 16. A control member 18 for controlling the lifting and lowering adjustment of the first positioning rod 8 is arranged inside the baffle 5.

[0022] The control member 18 includes a lifting block 19 fixedly installed at the top of the first positioning rod 8. A lifting groove 20 is provided at the bottom of the baffle 5. The lifting block 19 is slidably connected to the inner wall of the lifting groove 20 in the vertical direction. A tension spring 21 fixedly connected to the top of the lifting groove 20 is fixedly connected to the top of the lifting block 19. A communication pipe 22 communicating with the tops of multiple lifting grooves 20 is provided inside the baffle 5. A pressurizing member 23 for pressurizing the communication pipe 22 on the opposite side according to the force intensity of the elastic plate 7 is arranged on the elastic plate 7.

[0023] The pressing member 23 includes a storage box 24 fixedly installed on the bottom plate 11. A pressing block 25 is fixedly connected to the side of the elastic plate 7 and is slidably connected to the inner wall of the storage box 24 in the horizontal direction. A plurality of arc-shaped pipes 26 are fixedly connected inside the rotating ring 1. The two ends of the arc-shaped pipe 26 are respectively connected and communicated with a first pipe 27 and a second pipe 28. The first pipe 27 is connected and communicated with the storage box 24. A third pipe 29 capable of being connected and communicated with the communicating pipe 22 and the second pipe 28 is fixedly connected inside the baffle 5.

[0024] The adjusting mechanism 10 includes a first lifting plate 30 slidably connected to the inner wall of the fixing frame 4 in the vertical direction. A device groove 31 is formed in the baffle 5. A second lifting plate 32 is slidably connected to the device groove 31 in the vertical direction. The side of the first lifting plate 30 can be slidably attached to the side of the second lifting plate 32. A connecting bolt 33 capable of being connected to the upper side of the second lifting plate 32 is provided on the upper side of the first lifting plate 30. A floating block 34 is fixedly connected to the upper end side of the second lifting plate 32.

[0025] The rotating member 9 includes a driving motor 35 fixedly installed on any one of the fixing frames 4. The output end of the driving motor 35 is coaxially fixedly connected with a driving gear 36. An arc-shaped gear ring 37 is fixedly connected to the inner wall of the arc-shaped base 2. A plurality of arc-shaped gear rings 37 can be connected to each other to form a circular ring. The driving gear 36 meshes with the arc-shaped gear ring 37. A pressure sensor 38 is fixedly connected inside the storage box 24. A controller electrically connected to the pressure sensor 38 and the driving motor 35 is provided inside the storage box 24. The controller is used to sense the value of the pressure sensor 38 and control the rotation angle of the driving gear 36.

[0026] Please refer to Figures 1 - 10 , the present invention provides a technical solution: a use method of a water conservancy construction cofferdam device, including the following steps: S1. Fix the arc-shaped base 2 at the bottom of the water, then install the rotating ring 1 on the arc-shaped base 2, and install the baffle 5 between adjacent fixing frames 4 to form a cofferdam device. Pump out the water inside the cofferdam, and then construction operations can be carried out; S2. Sense the water pressure intensity around the baffle 5 through the elastic plate 7, judge the water flow direction, drive the rotating member 9 to drive the rotating ring 1 and the baffle 5 to rotate together, so that the corner position of the fixing frame 4 is opposite to the water flow direction, reduce the frontal impact of the water flow on the baffle 5, and at the same time link the first positioning rod 8 at the bottom of the baffle 5 on the side opposite to the water flow direction to move downward and insert into the bottom of the water to enhance the supporting force; S3. Sense the height of the water level through the adjusting mechanism 10 and adjust the overall height of the cofferdam to prevent water from entering the inside of the cofferdam when the water level increases; After the internal construction is completed, first remove the baffle 5, and then separately remove the rotating ring 1 and the arc-shaped base 2. The whole device can be repeatedly assembled and used.

[0027] In this implementation scheme, multiple arc-shaped bases 2 are connected to each other in a circular ring through the second connecting buckle 40, and the second positioning rod 41 at the bottom is inserted into the water bottom for sealing. At this time, multiple arc-shaped toothed rings 37 are spliced together to form an internal toothed ring. Then, the rotating ring 1 is rotatably connected to the top surface of the arc-shaped base 2. The two sides of the baffle 5 are respectively inserted into the insertion slots 12 of the adjacent fixing frames 4. A sealing gasket can be provided in the insertion slots 12 to prevent water seepage at the gap position. After the baffle 5 is inserted, the third pipe 29 on the side is automatically butted and communicated with the opposite second pipe 28. Then, the baffle 5 and the fixing frame 4 are connected through the first connecting buckle 13.

[0028] During the process of inserting the baffle 5 into the fixing frame 4, the second lifting plate 32 is synchronously inserted into the edge position of the first lifting plate 30 for connection. After the insertion is completed, the adjacent first lifting plate 30 and the second lifting plate 32 are connected and fixed through the connecting bolts 33 at the top. Then, when the water level rises and falls, the water surface drives the floating block 34 to rise and fall and float, thereby driving the frame structure composed of the first lifting plate 30 and the second lifting plate 32 to synchronously rise and fall and adjust. While generating a retaining effect, the adjustment is more flexible, and at the same time, it avoids the situation that the cofferdam is too high above the water surface, resulting in an increase in wind resistance and affecting the stability of the device. The overall structure is more flexible and stable.

[0029] When the side of the elastic plate 7 is impacted by the water flow, the water flow will push the elastic plate 7 to squeeze the pressurizing block 25, compress the gas in the compression storage box 24, sense the air pressure in the storage box 24 through the pressure sensor 38, thereby judging the water flow direction, controlling the driving motor 35 to drive the driving gear 36 to rotate, so that the driving gear 36 rolls in the arc-shaped toothed ring 37, driving the whole driving motor 35 and the fixing frame 4 to rotate along the arc-shaped base 2 together with the rotating ring 1, adjusting the orientation of the baffle 5, making the corner position of the fixing frame 4 face the water flow direction, reducing the impact force of the water flow on the front of the baffle 5, and improving the overall stability and service life of the cofferdam.

[0030] It should be noted that: by comparing the pressure intensities of the surrounding pressure sensors 38, when the pressure value of a group of pressure sensors 38 is much greater than the values of the other three groups of pressure sensors 38, it indicates that the water flow direction is towards the side with the larger pressure sensor 38 value. At this time, the controller disposed inside the storage box 24 controls the driving motor 35 to operate, causing a corner position of the fixing frame 4 to rotate towards the position of the pressure sensor 38 with the original larger value. Then, the driving motor 35 is used to control a certain amplitude of swing of this corner to find the direction facing the water flow. At this time, the pressure sensor 38 values on the two adjacent sides of this corner can be used to assist in determining whether this corner is exactly facing the water flow direction. When the pressure sensor 38 values on the two adjacent sides of the corner are close and both are greater than the values of the other two groups of pressure sensors 38, it indicates that this corner is exactly facing the water flow direction. At this time, stop the operating state of the driving motor 35 and limit it.

[0031] After the position adjustment of the baffle 5 is completed, the air pressures in the different lifting slots 20 gradually stabilize. At this time, several groups of baffles 5 that are inclined in the direction of the water flow are subjected to an inclined thrust. At this time, the thrust received by the elastic plate 7 on the side of the baffle 5 is greater than the thrust received by the elastic plate 7 in the direction of the water flow. At this time, the gas in the storage box 24 will be transported through the first pipeline 27 into the arc-shaped pipe 26, then transported to the second pipeline 28 at the other end, and then transported through the third pipeline 29 into the communication pipe 22 and the lifting slot 20, increasing the air pressure in the lifting slot 20, pushing the lifting block 19 and the first positioning rod 8 to gradually move downward, and stretching the tension spring 21, so that several groups of first positioning rods 8 away from the water flow direction can be inserted into the bottom of the water for additional fixing and positioning, avoiding the situation of the cofferdam tilting.

[0032] When the water flow intensity decreases, the thrust received by the elastic plate 7 decreases, and the return spring 17 rebounds, which can again push the middle of the elastic plate 7 out to be convex, driving the pressure block 25 to move outward, reducing the air pressure intensity in the storage box 24, thereby reducing the air pressure in the arc-shaped pipe 26 and the lifting slot 20. Driven by the tension spring 21, the first positioning rod 8 moves upward to reset. At this time, the rotating ring 1 can continue to rotate and adjust under the drive of the driving motor 35. At the same time, normally, there is no need for the first positioning rod 8 to perform positioning operations. When disassembling and assembling, the removal of the baffle 5 is also more convenient and efficient.

[0033] It is worth noting that: the number of fixing frames 4 is an even number greater than or equal to four groups, so that the number of baffles 5 is an even number. A corresponding baffle 5 is set opposite each group of baffles 5. The first pipeline 27 and the second pipeline 28 at both ends of the arc-shaped pipe 26 are respectively located at the positions of the baffles 5 on the opposite sides for the opposite-direction transportation of gas. After the internal construction is completed, first remove the baffle 5, and then separately remove the rotating ring 1 and the arc-shaped base 2. The whole equipment can be repeatedly assembled and used, and the disassembly and assembly are convenient and efficient.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. 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: include: A rotating ring (1), wherein the bottom of the rotating ring (1) is rotatably connected to a plurality of groups of arc-shaped bases (2), and the ends of the plurality of groups of arc-shaped bases (2) are mutually connected to form a circular ring shape; Also includes: A cofferdam mechanism (3), the cofferdam mechanism (3) comprising a plurality of sets of fixing frames (4) evenly fixedly mounted on the upper side of the rotating ring (1), baffles (5) being arranged between adjacent fixing frames (4), and being used for assembling and splicing the baffles (5) with the fixing frames (4) to achieve a sealing cofferdam function; A reinforcement mechanism (6), the reinforcement mechanism (6) comprising an elastic plate (7) mounted on the side of the baffle (5), a plurality of first positioning rods (8) being provided at the bottom of the baffle (5), and a rotating member (9) for driving the rotating ring (1) to rotate relative to the baffle (5) being provided on the arc-shaped base (2), the reinforcement mechanism (6) being used to sense the water pressure intensity around the baffle (5) through the elastic plate (7), judge the direction of water flow, drive the rotating member (9) to drive the rotating ring (1) and the baffle (5) to rotate together, so that the rotation angle position of the fixing frame (4) is opposite to the direction of water flow, thereby reducing the front impact of the water flow on the baffle (5), and at the same time, the first positioning rod (8) at the bottom of the baffle (5) on the opposite side is moved downward and inserted into the bottom of the water in linkage with the water flow, thereby increasing the supporting force; The regulating mechanism (10) is installed in the fixing frame (4) and the baffle (5) and is used to sense the height of the water level and adjust the height of the cofferdam as a whole to prevent water from entering the cofferdam when the water level increases.

2. A water conservancy construction cofferdam device according to claim 1, characterized in that: The cofferdam mechanism (3) further comprises a plurality of bottom plates (11) fixedly mounted on the upper side of the rotating ring (1); the fixing frame (4) is bent, and both sides of the fixing frame (4) are provided with plugging grooves (12) capable of being plugged into the baffle plate (5) in a vertical direction; and the side of the fixing frame (4) is fixedly connected with a first connecting buckle (13) capable of being fixedly connected to the side of the baffle plate (5).

3. A water conservancy construction cofferdam device according to claim 2, characterized in that: The reinforcing mechanism (6) further comprises a top plate (14) fixedly mounted between adjacent fixing frames (4); the top surface and the bottom surface of the elastic plate (7) are respectively slidably fitted with the top plate (14) and the bottom plate (11); a guide groove (15) is provided on the side of the fixing frame (4); both ends of the elastic plate (7) are respectively fixedly connected with guide blocks (16) slidably connected to the inner wall of the guide groove (15) in a horizontal direction; a return spring (17) is fixedly connected to the side of the guide block (16) and is fixedly connected to the guide groove (15); and a control member (18) for controlling the first positioning rod (8) to perform lifting and lowering adjustment is provided inside the baffle (5).

4. A water conservancy construction cofferdam device according to claim 3, characterized in that: The control member (18) comprises a lifting block (19) fixedly mounted on the top end of the first positioning rod (8); a lifting groove (20) is provided at the bottom of the baffle plate (5); the lifting block (19) is slidably connected to the inner wall of the lifting groove (20) in a vertical direction; a tension spring (21) is fixedly connected to the top end of the lifting groove (20); a connecting pipe (22) connected to the top ends of a plurality of groups of the lifting grooves (20) is provided in the baffle plate (5); and a pressurizing member (23) is provided on the elastic plate (7) for driving the connecting pipe (22) on the opposite side to pressurize according to the force strength of the elastic plate (7).

5. A water conservancy construction cofferdam device according to claim 4, characterized in that: The pressure member (23) comprises a storage box (24) fixedly mounted on the bottom plate (11); a pressure block (25) is fixedly connected to the side of the elastic plate (7) and is slidably connected to the inner wall of the storage box (24) in a horizontal direction; a plurality of groups of arc-shaped tubes (26) are fixedly connected inside the rotating ring (1); two ends of the arc-shaped tubes (26) are respectively connected to a first pipe (27) and a second pipe (28); the first pipe (27) is connected to the storage box (24); and a third pipe (29) capable of communicating with the connecting pipe (22) and the second pipe (28) is fixedly connected inside the baffle (5).

6. A water conservancy construction cofferdam device according to claim 1, characterized in that: The adjustment mechanism (10) comprises a first lifting plate (30) slidably connected to the inner wall of the fixing frame (4) in the vertical direction, a device groove (31) is provided in the baffle plate (5), a second lifting plate (32) is slidably connected in the device groove (31) in the vertical direction, the side surface of the first lifting plate (30) can be slidably fitted with the side surface of the second lifting plate (32), the upper side of the first lifting plate (30) is provided with a connecting bolt (33) that can be connected to the upper side of the second lifting plate (32), and the upper end side surface of the second lifting plate (32) is fixedly connected with a floating block (34).

7. A water conservancy construction cofferdam device according to claim 5, characterized in that: The rotating member (9) comprises a driving motor (35) fixedly mounted on any one group of the fixing frames (4); the output end of the driving motor (35) is coaxially fixedly connected to a driving gear (36); the inner wall of the arc-shaped base (2) is fixedly connected to an arc-shaped toothed ring (37); a plurality of groups of the arc-shaped toothed rings (37) can be connected to each other in a circular ring shape; the driving gear (36) meshes with the arc-shaped toothed rings (37); a pressure sensor (38) is fixedly connected inside the storage box (24); a controller electrically connected to the pressure sensor (38) and the driving motor (35) is provided inside the storage box (24); the controller is used to sense the value of the pressure sensor (38) and control the rotation angle of the driving gear (36).

8. A water conservancy construction cofferdam device according to claim 3, characterized in that: A protective plate (39) is fixedly connected to the side of the guide block (16) and is slidably fitted with the outer wall of the fixing frame (4).

9. A water conservancy construction cofferdam device according to claim 1, characterized in that: A second connection buckle (40) is fixedly connected between the plurality of groups of the arc-shaped bases (2), and a plurality of groups of second positioning rods (41) are evenly and fixedly connected to the bottom of the arc-shaped base (2).

10. A method for using a water conservancy construction cofferdam device, the method being implemented based on a water conservancy construction cofferdam device as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: S1. The arc-shaped base (2) is fixed to the bottom of the water, and then the rotating ring (1) is installed on the arc-shaped base (2), and the baffle (5) is installed between adjacent fixing frames (4), so as to form a cofferdam device, and the water inside the cofferdam is pumped out, so that the construction operation can be carried out; S2. The water pressure intensity around the baffle (5) is sensed by the elastic plate (7), the direction of the water flow is determined, and the rotating member (9) is driven to drive the rotating ring (1) and the baffle (5) to rotate together, so that the rotation angle position of the fixing frame (4) is opposite to the direction of the water flow, thereby reducing the front impact of the water flow on the baffle (5), and at the same time, the first positioning rod (8) at the bottom of the baffle (5) on the opposite side is moved downward and inserted into the bottom of the water in linkage with the water flow, thereby increasing the supporting force; S3. The height of the water level is sensed by the regulating mechanism (10), and the height of the cofferdam as a whole is adjusted to prevent water from entering the cofferdam when the water level increases; S4. After the internal construction is completed, the baffle (5) is first removed, and then the rotating ring (1) and the arc base (2) are removed separately, so that the entire device can be reassembled and used.

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