Water conservancy project cofferdam drainage device

Abstract

The utility model relates to the technical field of cofferdam drainage, in particular to a hydraulic engineering cofferdam drainage device which comprises a track, a moving trolley and a drainage mechanism. And the track is annularly arranged at the top of the side wall of the cofferdam. The moving trolley is arranged on the track and can move around the peripheral edge of the top of the cofferdam along the track. The water drainage mechanism comprises a water suction pump, a water suction pipe, a water drainage pipe and a filtering assembly, the water suction pump is installed on the moving trolley, the water suction pipe and the water drainage pipe are connected with a water inlet and a water outlet of the water suction pump correspondingly, and the end, away from the water suction pump, of the water suction pipe extends into the cofferdam and is connected with the filtering assembly; the end, away from the water suction pump, of the drainage pipe extends to the outer side of the cofferdam. The annular track is arranged above the side wall of the cofferdam, so that the moving trolley can move on the peripheral edge of the top of the cofferdam along the annular track, and accumulated water in four directions in the cofferdam can be drained.

Description

Technical Field

[0001] This utility model relates to the field of cofferdam drainage technology, and more specifically, to a cofferdam drainage device for water conservancy projects. Background Technology

[0002] Existing cofferdam drainage systems in water conservancy projects typically encompass several key components in their design and construction: First, a base is installed at the top of the cofferdam, serving as a support platform for the entire drainage system and ensuring its stability and safety. Next, a water pump is installed on top of the base; this is the core component of the drainage system, responsible for providing power to extract and transport water. To achieve the functions of water extraction and discharge, an inlet hose connected to the pump's inlet and an outlet hose connected to the pump's outlet are also provided.

[0003] However, existing drainage systems have a common problem: the inlet hose is typically placed directly into the water within the dike. Due to the lack of an effective filtration mechanism, impurities, suspended particles, and even larger solids in the water can easily enter the inlet hose with the water flow. Over time, these unfiltered substances tend to accumulate inside the pipe, easily causing blockages and affecting drainage efficiency.

[0004] Utility model patent CN221855577U discloses a drainage device for a cofferdam in a water conservancy project. It includes a base installed on top of the cofferdam, a water pump installed on top of the base, an inlet hose connected to the inlet of the water pump, and an outlet hose connected to the outlet of the water pump. A filter device is connected to the end of the inlet hose away from the water pump. The filter device includes a rigid pipe connected to the end of the inlet hose away from the water pump, a connecting plate sleeved and fixed to the outer wall of the rigid pipe, and a filter frame detachably connected to the bottom of the connecting plate. This device facilitates the filtration of water entering the inlet hose by setting up the filter frame, and the moving mechanism facilitates the movement of the base, thereby facilitating the movement of the water pump to pump water from different locations within the cofferdam. However, its shortcomings are: the moving mechanism has a limited range of movement, only able to move along one side of the cofferdam edge, unable to reach the four sides of the cofferdam; secondly, the filter frame is prone to clogging, requiring manual cleaning, making cleaning inconvenient. Utility Model Content

[0005] To overcome the shortcomings mentioned above, this utility model aims to provide a drainage device for cofferdams in water conservancy projects that can solve the aforementioned problems.

[0006] A drainage device for a cofferdam in a hydraulic engineering project includes a track, a mobile trolley, and a drainage mechanism. The track is arranged in a ring on the top of the cofferdam's sidewall. The mobile trolley is mounted on the track and can move along the track around the four edges of the top of the cofferdam. The drainage mechanism includes a water pump, a pumping pipe, a drain pipe, and a filter assembly. The water pump is mounted on the mobile trolley. The pumping pipe and the drain pipe are respectively connected to the inlet and outlet of the water pump. The end of the pumping pipe away from the pump extends into the cofferdam and is connected to the filter assembly. The end of the drain pipe away from the pump extends to the outside of the cofferdam.

[0007] Furthermore, it also includes a cleaning mechanism, which includes an air pump and an air blowing pipe. The air pump is installed on the mobile trolley, the air blowing pipe is connected to the air outlet of the air pump, a three-way pipe is connected to the water pump pipe, the end of the air blowing pipe away from the air pump is connected to the three-way pipe, a first valve is provided on the air blowing pipe, and a second valve is connected to the side of the three-way pipe closer to the water pump.

[0008] Furthermore, the filtration assembly includes a filter canister, which is detachably connected to the water pump pipe.

[0009] Furthermore, several columns are provided on the top of the cofferdam sidewall, and the track is fixed to the top of the cofferdam sidewall through the columns.

[0010] Furthermore, the track has an I-shaped cross-section.

[0011] Furthermore, the mobile trolley includes a base plate, a vertical plate, and upper moving wheels. The base plate is horizontally positioned above the track. The water pump and air pump are both mounted on the base plate. The vertical plate is vertically positioned on both sides of the track and fixed to the bottom surface of the base plate. The upper moving wheels are mounted between the base plate and the top surface of the track, and the upper moving wheels move along the track on the top surface of the track.

[0012] Furthermore, the mobile trolley also includes a lower moving wheel, which is disposed below the top of the track and is in rolling connection with the bottom surface of the top of the track, and the lower moving wheel is connected to the vertical plate.

[0013] Furthermore, a lifting plate that can move up and down is provided on the inner side of the vertical plate, and the lower moving wheel is installed on the side of the lifting plate near the web of the track.

[0014] Furthermore, a horizontal plate is fixed to the inner side of the lower end of the vertical plate, and a screw and a guide rod are vertically arranged between the horizontal plate and the base. The screw is rotatably connected to the horizontal plate and the base and its lower end passes through the horizontal plate. The guide rod is fixedly connected to the horizontal plate and the base. The lifting plate is sleeved on the screw and the guide rod, and the lifting plate is threadedly connected to the screw. The lifting plate is slidably connected to the guide rod.

[0015] Furthermore, a sliding groove is vertically provided on the inner side of the vertical plate, and a slider that matches the sliding groove is provided on the side of the lifting plate near the vertical plate. The lifting plate is slidably connected to the vertical plate through the slider.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] The drainage device for cofferdams in this utility model, by setting a circular track above the side wall of the cofferdam, allows a moving trolley to move along the circular track around the four edges of the top of the cofferdam, thereby draining water from all four directions inside the cofferdam, which is beneficial to the drainage work inside the cofferdam.

[0018] The drainage device for cofferdams in this utility model has a cleaning mechanism. When the filter component is blocked, the second valve is closed, thereby closing the drainage channel. The first valve and the air pump are opened, and air is blown into the filter component through the pumping pipe to clear the blockage. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 This is a schematic diagram of the overall structure of the water conservancy project cofferdam drainage device in this utility model.

[0021] Figure 2 This is a schematic diagram of the overall structure of the water conservancy engineering cofferdam drainage device from another perspective.

[0022] Figure 3 This is a partial structural schematic diagram of the drainage device for a water conservancy project cofferdam in this utility model.

[0023] Figure 4 This is a partial structural side view of the drainage device for a water conservancy project cofferdam in this utility model.

[0024] Figure 5 This is a schematic diagram of the filter mechanism in this utility model.

[0025] In the diagram: 1. Track; 2. Cofferdam; 3. Water pump; 4. Pumping pipe; 5. Drainage pipe; 6. Air pump; 7. Air blowing pipe; 8. T-pipe; 9. First valve; 10. Second valve; 11. Filter barrel; 12. Base plate; 13. Vertical plate; 14. Upper moving wheel; 15. Lower moving wheel; 16. Lifting plate; 17. Horizontal plate; 18. Screw; 19. Guide rod; 20. Slide groove; 21. Sliding block; 22. Handwheel; 23. Column. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] like Figures 1-5 As shown, the drainage device for the cofferdam 2 in this embodiment includes a track 1, a mobile trolley, and a drainage mechanism. The track 1 is arranged in a ring on the top of the side wall of the cofferdam 2. The mobile trolley is mounted on the track 1 and can move along the track 1 around the four edges of the top of the cofferdam 2. The drainage mechanism includes a water pump 3, a water pumping pipe 4, a water draining pipe 5, and a filter assembly. The water pump 3 is mounted on the mobile trolley. The water pumping pipe 4 and the water draining pipe 5 are respectively connected to the inlet and outlet of the water pump 3. The end of the water pumping pipe 4 away from the water pump 3 extends into the cofferdam 2 and is connected to the filter assembly. The end of the water draining pipe 5 away from the water pump 3 extends to the outside of the cofferdam 2.

[0028] By setting a circular track 1 above the side wall of the cofferdam 2, the mobile trolley can move along the circular track 1 around the top edge of the cofferdam 2, thereby draining the water in all four directions inside the cofferdam 2, which is beneficial to the drainage work inside the cofferdam 2.

[0029] Preferably, in this embodiment, a number of columns 23 are provided on the top of the side wall of the cofferdam 2, and the track 1 is fixed above the side wall of the cofferdam 2 by the columns 23. The cross-section of the track 1 is I-shaped.

[0030] The mobile trolley includes a base plate 12, vertical plates 13, and upper moving wheels 14. The base plate 12 is horizontally positioned above the track 1. The water pump 3 and air pump 6 are both mounted on the base plate 12. The vertical plates 13 are vertically positioned on both sides of the track 1 and fixed to the bottom surface of the base plate 12. The upper moving wheels 14 are installed between the base plate 12 and the top surface of the track 1, and the upper moving wheels 14 move along the track 1 on the top surface of the track 1. Preferably, four upper moving wheels 14 are provided, arranged in pairs.

[0031] In this embodiment, the mobile trolley also includes a lower moving wheel 15, which is located below the top of the track 1 and is in rolling connection with the bottom surface of the top of the track 1. The lower moving wheel 15 is connected to the vertical plate 13. Specifically, a vertically movable lifting plate 16 is provided on the inner side of the vertical plate 13, and the lower moving wheel 15 is installed on the side of the lifting plate 16 near the web of the track 1. A horizontal plate 17 is fixed to the inner side of the lower end of the vertical plate 13. A screw 18 and a guide rod 19 are vertically arranged between the horizontal plate 17 and the base. The screw 18 is rotatably connected to the horizontal plate 17 and the base, and its lower end passes through the horizontal plate 17. A handwheel 22 is also provided at the lower end of the screw 18. The guide rod 19 is fixedly connected to the horizontal plate 17 and the base. The lifting plate 16 is sleeved on the screw 18 and the guide rod 19, and the lifting plate 16 is threadedly connected to the screw 18 and slidably connected to the guide rod 19. By turning the handwheel 22, the screw rod is driven to rotate, thereby driving the lifting plate 16 and the lower moving wheel 15 to rise and fall.

[0032] Preferably, a groove 20 is vertically provided on the inner side of the vertical plate 13, and a slider 21 adapted to the groove 20 is provided on the side of the lifting plate 16 near the vertical plate 13. The lifting plate 16 is slidably connected to the vertical plate 13 through the slider 21. By providing a groove 20 on the vertical plate 13 and providing a slider 21 at the end of the lifting plate 16 near the vertical plate 13, the slider 21 slides up and down within the groove 20, thereby effectively preventing the lifting plate 16 from deviating during ascent and descent.

[0033] In this embodiment, the filter assembly is a filter barrel 11. The filter barrel 11 is provided with filter holes on its periphery and bottom. The top of the filter barrel 11 is detachably connected to the water pumping pipe 4. Specifically, the filter barrel 11 and the water pumping pipe 4 can be detachably connected by a threaded connection.

[0034] In this embodiment, the drainage device of the cofferdam 2 of the water conservancy project also includes a cleaning mechanism, which includes an air pump 6 and an air blowing pipe 7. The air pump 6 is installed on a mobile trolley, the air blowing pipe 7 is connected to the air outlet of the air pump 6, a three-way pipe 8 is connected to the water pumping pipe 4, the end of the air blowing pipe 7 away from the air pump 6 is connected to the three-way pipe 8, a first valve 9 is provided on the air blowing pipe 7, and a second valve 10 is connected to the side of the water pumping pipe 4 located on the three-way pipe 8 near the water pump 3.

[0035] In this embodiment, the drainage device of the cofferdam 2 of the water conservancy project is equipped with a cleaning mechanism. When the filter component is blocked, the second valve 10 is closed, thereby closing the drainage channel. The first valve 9 and the air pump 6 are opened, so that air is blown into the filter component through the water pumping pipe 4, thereby clearing the blocked filter component.

[0036] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A drainage device for a hydraulic engineering cofferdam, characterized in that, The utility model relates to a cofferdam cleaning device, including: Track (1), track (1) is annularly arranged on the top of cofferdam (2) side wall; Movable trolley, movable trolley is arranged on track (1), and can move along the edge of track (1) around the top of cofferdam (2); Drainage mechanism, drainage mechanism includes water pump (3), water suction pipe (4), drain pipe (5) and filter assembly, water pump (3) is installed on movable trolley, water suction pipe (4) and drain pipe (5) are connected with the water inlet and water outlet of water pump (3) respectively, the one end of water suction pipe (4) away from water pump (3) is inserted into cofferdam (2) and is connected with filter assembly, the one end of drain pipe (5) away from water pump (3) extends to the outside of cofferdam (2).

2. The hydraulic engineering cofferdam drainage device according to claim 1, characterized in that, It also includes cleaning mechanism, cleaning mechanism includes air pump (6) and air blowing pipe (7), air pump (6) is installed on movable trolley, air blowing pipe (7) is connected with the air outlet of air pump (6), water suction pipe (4) is connected with tee pipe (8), the one end of air blowing pipe (7) away from air pump (6) is connected with tee pipe (8), first valve (9) is arranged on air blowing pipe (7), second valve (10) is connected on the side of tee pipe (8) close to water pump (3).

3. The hydraulic engineering cofferdam drainage device according to claim 2, characterized in that, The filter assembly includes a filter barrel (11) which is detachably connected with the water suction pipe (4).

4. The hydraulic engineering cofferdam drainage device according to claim 3, characterized in that, The top of the side wall of the cofferdam (2) is provided with a plurality of columns (23), and the track (1) is fixed above the side wall of the cofferdam (2) through the columns (23).

5. The hydraulic engineering cofferdam drainage device according to claim 4, characterized in that, The cross section of the track (1) is in the shape of an I-beam.

6. The hydraulic engineering cofferdam drainage device according to claim 5, characterized in that, The movable trolley includes a bottom plate (12), a vertical plate (13), and an upper moving wheel (14). The bottom plate (12) is horizontally arranged above the track (1), and the water pump (3) and the air pump (6) are both installed on the bottom plate (12). The vertical plate (13) is vertically arranged on both sides of the track (1) and fixed to the bottom surface of the bottom plate (12). The upper moving wheel (14) is installed between the bottom plate (12) and the top surface of the track (1), and moves along the track (1) on the top surface of the track (1).

7. The hydraulic engineering cofferdam drainage device according to claim 6, characterized in that, The movable trolley also includes a lower moving wheel (15) arranged below the top of the track (1) and in rolling connection with the bottom surface of the top of the track (1). The lower moving wheel (15) is connected with the vertical plate (13).

8. The hydraulic engineering cofferdam drainage device according to claim 7, characterized in that, The inside of the vertical plate (13) is provided with a lifting plate (16) that can move up and down. The lower moving wheel (15) is installed on the side of the lifting plate (16) close to the web of the track (1).

9. The hydraulic engineering cofferdam drainage device according to claim 8, characterized in that, The inner side of the lower end of the vertical plate (13) is fixed with a horizontal plate (17), a screw rod (18) and a guide rod (19) are vertically arranged between the horizontal plate (17) and the base, the screw rod (18) is rotationally connected with the horizontal plate (17) and the base and penetrates the horizontal plate (17) at the lower end, the guide rod (19) is fixedly connected with the horizontal plate (17) and the base, the lifting plate (16) is sleeved on the screw rod (18) and the guide rod (19), and the lifting plate (16) is threadedly connected with the screw rod (18) and is slidingly connected with the guide rod (19).

10. The hydraulic engineering cofferdam drainage device according to claim 9, characterized in that, The inner side of the vertical plate (13) is vertically provided with a sliding groove (20), and the side of the lifting plate (16) close to the vertical plate (13) is provided with a sliding block (21) matched with the sliding groove (20), and the lifting plate (16) is slidingly connected with the vertical plate (13) through the sliding block (21).

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