Water drainage device for water conservancy project construction

Abstract

The utility model relates to the technical field of hydraulic engineering equipment, in particular to a hydraulic engineering construction drainage device which comprises an axial flow pump installed on a support. The automatic starting and stopping assembly is installed on the support, and the automatic starting and stopping assembly is electrically connected with the control device; the filtering assembly is installed at the inlet end of the axial flow pump, and a scraper assembly used for scraping impurities attached to the outer wall of the filtering assembly is further arranged on the outer wall of the filtering assembly. The drainage device can be automatically started and stopped according to the water level of the deep foundation pit, and silt blocking of the drainage device is reduced.

Description

Technical Field

[0001] This utility model relates to the field of water conservancy engineering equipment technology, and in particular to a drainage device for water conservancy engineering construction. Background Technology

[0002] Water conservancy projects refer to projects built to prevent and control water-related disasters and to develop and utilize water resources. Their purpose is to control and regulate surface water and groundwater in nature to achieve the goal of eliminating harm and promoting benefits.

[0003] During the construction of water conservancy projects, when the excavation depth of the foundation pit is large and there is a confined aquifer at the bottom of the pit, the water head pressure of the confined water may break through the foundation pit floor slab or the cutoff wall, leading to seepage. Furthermore, the presence of a groundwater layer around the deep foundation pit and infiltration from surrounding water bodies can also cause water accumulation within the pit. For subsequent construction, it is frequently necessary to drain the accumulated water to prevent it from affecting the construction. Therefore, drainage devices are required to drain the aqueous solution inside the foundation pit, ensuring the normal construction of the water conservancy project. However, the water in the deep foundation pit accumulates over time, requiring operators to periodically activate the drainage devices to remove the water, wasting manpower. Additionally, the water in the deep foundation pit often contains silt and sand, often requiring the equipment to be stopped after a period of use, and then the impurities attached to the outside of the filter device must be manually cleaned to ensure the normal operation of the equipment, thus affecting the use of the drainage device.

[0004] Therefore, those skilled in the art are dedicated to developing a drainage device for hydraulic engineering construction that not only facilitates automatic start and stop based on the water level in deep foundation pits, but also reduces the clogging of the drainage device by silt. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a drainage device for water conservancy engineering construction, which not only facilitates automatic start and stop according to the water level of deep foundation pits, but also reduces the clogging of the drainage device by silt.

[0006] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: a drainage device for water conservancy engineering construction, comprising...

[0007] An axial flow pump, which is mounted on a bracket;

[0008] An automatic start-stop assembly is mounted on the bracket and is electrically connected to a control device.

[0009] A filter assembly is installed at the inlet end of the axial flow pump, and the outer wall of the filter assembly is further provided with a scraper assembly for scraping off impurities attached to the outer wall of the filter assembly.

[0010] The beneficial effects of adopting the above solution are: the automatic start-stop component is electrically connected to the control device, which can automatically control the start and stop of the axial flow pump according to the water level in the deep foundation pit. Compared with the existing technology that relies on manual operation of the drainage device, it significantly reduces labor costs, improves drainage efficiency, ensures the timeliness and continuity of drainage operations, and avoids the problem of water accumulation in the foundation pit caused by untimely manual operation.

[0011] The filter assembly is installed at the inlet of the axial flow pump and can effectively filter impurities such as mud and sand contained in the deep foundation pit water, preventing impurities from entering the axial flow pump and thus protecting the pump body from wear. In addition, the scraper assembly on the outer wall of the filter assembly can scrape off impurities attached to the outer wall of the filter assembly, avoiding the accumulation of impurities that cause the filter assembly to become clogged, significantly reducing the maintenance frequency and cost of the drainage device, and improving the reliability and service life of the equipment.

[0012] Based on the above technical solution, the present invention can be further improved as follows.

[0013] Furthermore, the automatic start-stop assembly includes a detection tube and a float. The detection tube is mounted on the bracket and has a detection cavity. Water holes are provided on the outer wall of the detection tube. A first magnetic sensor and a second magnetic sensor are respectively installed at the upper and lower ends of the detection cavity. The float is located inside the detection cavity and has a magnetic pole body that cooperates with the first magnetic sensor and the second magnetic sensor.

[0014] The beneficial effects of adopting the above-mentioned further solution are as follows: The automatic start-stop component uses a detection tube and a float. The float floats up and down in the detection chamber. When the float approaches and is detected by the first magnetic sensor, the control device controls the axial flow pump to start. As the water level drops and the float approaches and is detected by the second magnetic sensor, the control device controls the axial flow pump to stop, thus realizing the automatic start-stop of the axial flow pump and avoiding the axial flow pump running dry due to low water level.

[0015] Furthermore, the filter assembly includes a filter cylinder, which is installed at the input end of the axial flow pump and has a water inlet hole on its outer wall. The outer wall of the filter cylinder abuts against the scraping end of the scraper assembly.

[0016] The beneficial effects of adopting the above-mentioned further solution are: the water inlet hole on the outer wall of the filter cylinder can effectively filter impurities such as mud and sand contained in the deep foundation pit water, prevent impurities from entering the axial flow pump, protect the pump body from wear, and extend the service life of the equipment.

[0017] Furthermore, a fixing ring is connected to the outer wall of the filter cartridge, and multiple support feet are provided on the fixing ring.

[0018] The beneficial effects of adopting the above-mentioned further solution are: the fixing ring and support feet connected to the outer wall of the filter cartridge can provide stable support for the filter cartridge, reduce the shaking of the filter cartridge during operation, and improve the stability of the equipment.

[0019] Furthermore, the scraper assembly includes a rotating rod, a mounting plate, and a scraper. The rotating rod is located on the lower side of the filter cylinder and its middle part is connected to a rotating assembly. The rotating assembly is located inside the filter cylinder. The mounting plate is connected to both ends of the rotating rod, and the scraper is mounted on the mounting plate. The outer edge of the scraper abuts against the outer wall of the filter cylinder.

[0020] The beneficial effects of adopting the above-mentioned further solution are: the rotation of the rotating rod drives the scraper to move along the outer wall of the filter cylinder, which can effectively scrape off the impurities attached to the outer wall of the filter cylinder, reduce the risk of filter cylinder blockage, and ensure the normal operation of the equipment.

[0021] Furthermore, the rotating assembly includes a rotating blade and a connecting rod. The rotating blade is installed in the middle of the connecting rod, and one end of the connecting rod is mounted on the filter cylinder and connected to the middle of the rotating rod via a first mounting bearing. The other end of the connecting rod is mounted on an orifice plate via a second mounting bearing, and the orifice plate is installed inside the filter cylinder.

[0022] The beneficial effects of adopting the above-mentioned further solution are: the rotating blades rotate automatically under the action of water flow, without the need for additional power devices, and the structure is simple. The rotation of the rotating blades drives the rotating rod and scraper to rotate, thereby removing impurities attached to the outer surface of the filter cylinder.

[0023] Furthermore, the axial flow pump includes a housing and a mounting bracket installed inside the housing. A power motor is mounted on the mounting bracket, and the output end of the power motor is connected to axial flow blades via an output shaft.

[0024] The beneficial effects of adopting the above-mentioned further solutions are: axial flow pumps are suitable for large-flow drainage, can adapt to deep foundation pit construction scenarios of different depths and scales, and have wide applicability.

[0025] Furthermore, a bearing is mounted on the outside of the output shaft, and a support sleeve is mounted on the outside of the bearing. The support sleeve is connected to the mounting bracket through guide vanes.

[0026] The beneficial effects of adopting the above-mentioned further solution are: the bearing and support sleeve installed outside the output shaft can effectively support the axial flow blades, reduce the vibration of the blades during operation, and improve the stability and reliability of the equipment. The support sleeve is connected to the mounting frame through guide vanes, which can guide the water flow direction, improve drainage efficiency, and reduce energy loss.

[0027] Furthermore, the bracket includes a first engaging member and a second engaging member disposed opposite to each other. The first engaging member and the second engaging member are used to fix the axial flow pump. Both ends of the first engaging member and the second engaging member are connected to the support frame through connectors.

[0028] The beneficial effects of adopting the above-mentioned further solution are: the bracket uses a first locking part and a second locking part that are set opposite to each other, which can firmly fix the axial flow pump, ensure that the equipment will not shake during operation, improve the stability of the equipment, and facilitate disassembly and maintenance. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the structure of a drainage device for water conservancy engineering construction according to a specific embodiment of this utility model;

[0030] Figure 2 This is a cross-sectional plan view of a drainage device for water conservancy engineering construction according to a specific embodiment of the present utility model;

[0031] Figure 3 This is a schematic diagram of the filter cartridge structure of a specific embodiment of the present invention.

[0032] The attached diagram lists the components represented by each number as follows:

[0033] 1. Axial flow pump; 2. Bracket; 3. Automatic start / stop assembly; 4. Filter assembly; 5. Scraper assembly; 6. Detection tube; 7. Float; 8. Detection chamber; 9. First magnetic sensor; 10. Second magnetic sensor; 11. Filter cartridge; 12. Fixing ring; 13. Support foot; 14. Mounting plate; 15. Scraper; 16. Rotating blade; 17. Connecting rod; 18. Orifice plate; 19. Housing; 20. Mounting bracket; 21. Power motor; 22. Axial flow blade; 23. Output shaft; 24. Bearing; 25. Support sleeve; 26. Guide vane; 27. First locking component; 28. Second locking component; 29. ​​Connector; 30. Support frame; 31. Rotating rod; 32. Drain pipe. Detailed Implementation

[0034] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0035] In the description of this utility model, it should be understood that the terms "center", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the system or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] like Figure 1 , Figure 2 and Figure 3 As shown, a drainage device for water conservancy engineering construction includes...

[0039] Axial flow pump 1 is mounted on bracket 2 and used to support and fix axial flow pump 1.

[0040] Automatic start-stop component 3 is mounted on bracket 2 and electrically connected to control device. Automatic start-stop component 3 is used to control the start of axial flow pump 1 according to the water level in the pit, reducing manual operation.

[0041] The filter assembly 4 is installed at the inlet end of the axial flow pump 1, and the outer wall of the filter assembly 4 is also provided with a scraper assembly 5 for scraping off impurities attached to the outer wall of the filter assembly 4.

[0042] In this invention, the automatic start-stop component 3 is electrically connected to the control device (not shown in the figure), which can automatically control the start and stop of the axial flow pump 1 according to the water level in the deep foundation pit, thereby improving drainage efficiency and ensuring the timeliness and continuity of drainage operations. The scraper component 5 provided on the outer wall of the filter component 4 can scrape off impurities attached to the outer wall of the filter component 4, preventing the accumulation of impurities from clogging the filter component 4.

[0043] like Figure 1 , Figure 2 As shown, in some embodiments, the automatic start-stop component 3 includes a detection tube 6 and a float 7. The detection tube 6 is vertically mounted on the bracket 2 and has a detection cavity 8. Water holes are provided on the bottom surface and the curved outer wall of the detection tube 6. A first magnetic sensor 9 and a second magnetic sensor 10 are respectively installed at the upper and lower ends of the detection cavity 8. The float 7 is located inside the detection cavity 8 and has a magnetic pole body that cooperates with the first magnetic sensor 9 and the second magnetic sensor 10.

[0044] The drainage device is installed in the foundation pit. As the water in the foundation pit gradually increases, the float 7 floats to the surface. When the float 7 approaches the first magnetic sensor 9 and is detected by the first magnetic sensor 9, the first magnetic sensor 9 transmits the detection signal to the control device. The control device controls the axial flow pump 1 to start according to the detection signal. As the water level drops and the float 7 approaches the second magnetic sensor 10 and is detected by the second magnetic sensor 10, the control device controls the axial flow pump 1 to stop according to the signal transmitted by the second magnetic sensor 10. This realizes the automatic start and stop of the axial flow pump 1 and avoids the axial flow pump running dry due to the low water level.

[0045] like Figure 1 , Figure 2 and Figure 3 As shown, in another embodiment, the filter assembly 4 includes a filter cylinder 11, which is installed at the input end of the axial flow pump 1 and has a water inlet hole on its outer wall. The outer wall of the filter cylinder 11 abuts against the scraping end of the scraper assembly 5. A fixing ring 12 is connected to the outer wall of the filter cylinder 11, and multiple support feet 13 are provided on the fixing ring. The fixing ring 12 and the support feet 13 can provide stable support for the filter cylinder 11, reducing the shaking of the filter cylinder 11 during operation.

[0046] like Figure 2 , Figure 3In some embodiments, the scraper assembly 5 includes a rotating rod 31, a mounting plate 14, and a scraper 15. The rotating rod 31 is located below the filter cylinder 11, and its diameter is larger than that of the filter cylinder 11. The middle part of the rotating rod 31 is connected to a rotating assembly, which is located inside the filter cylinder 11. The rotation of the rotating assembly drives the rotating rod to rotate. The two ends of the rotating rod 31 are connected to the mounting plate 14, and the scraper 15 is mounted on the mounting plate 14 by mounting screws. The outer edge of the scraper 15 abuts against the outer wall of the filter cylinder 11. The scraper 15 may be made of wear-resistant rubber. Specifically, the rotating assembly includes a rotating blade 16 and a connecting rod 17. The rotating blade 16 is mounted in the middle of the connecting rod 17, and one end of the connecting rod 17 is mounted on the filter cylinder 11 through a first mounting bearing and connected to the middle part of the rotating rod 31. The other end of the connecting rod 17 is mounted on a perforated plate 18 through a second mounting bearing. The perforated plate 18 is installed inside the filter cylinder 11. During the drainage process, the axial flow pump 1 causes the accumulated water to flow along the filter cylinder 11 and wash the rotating blade 16, causing the rotating blade 16 to rotate. The rotation of the rotating blade 16 drives the rotating rod 31 to rotate, thereby driving the scraper 15 to rotate along the outer wall of the filter cylinder 11, thereby scraping off the impurities attached to the outer wall of the filter cylinder 11 and preventing blockage of the water inlet hole on the filter cylinder 11.

[0047] like Figure 1 As shown in the embodiment, the axial flow pump 1 includes a housing 19 and a mounting bracket 20 installed inside the housing 19. The upper end of the housing 11 has a drain pipe 31. A power motor 21 is installed on the mounting bracket 20. The output end of the power motor 21 is connected to an axial flow blade 22 through an output shaft 23. A bearing 24 is installed outside the output shaft 23. A support sleeve 25 is installed outside the bearing 24. The support sleeve 25 is connected to the mounting bracket 20 through a guide vane 26. The rotation of the power motor 21 drives the output shaft 23 and the axial flow blade 22 to rotate. The guide vane 26 can guide the water flow direction, improve drainage efficiency, and reduce energy loss.

[0048] In one embodiment, the bracket 2 includes a first engaging member 27 and a second engaging member 28 disposed opposite to each other. The first engaging member 27 and the second engaging member 28 are symmetrically arranged and both are arc-shaped. The first engaging member 27 and the second engaging member 28 are used to fix the axial flow pump 1. Both ends of the first engaging member 27 and the second engaging member 28 are connected to the support frame 30 through connectors 29. The support frame 30 includes a support frame connected to the connectors 29 and support legs installed on the lower side of the support frame. The support legs and support feet are on the same support surface.

[0049] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A drainage device for water conservancy engineering construction, characterized in that: include An axial flow pump (1) is mounted on a bracket (2); Automatic start-stop assembly (3), which is mounted on the bracket (2) and is electrically connected to the control device; The filter assembly (4) is installed at the inlet end of the axial flow pump (1), and the outer wall of the filter assembly (4) is also provided with a scraper assembly (5) for scraping off impurities attached to the outer wall of the filter assembly (4).

2. The drainage device for water conservancy engineering construction according to claim 1, characterized in that: The automatic start / stop assembly (3) includes a detection tube (6) and a float (7). The detection tube (6) is mounted on the bracket (2) and has a detection cavity (8). The outer wall of the detection tube (6) is provided with water holes. The upper and lower ends of the detection cavity (8) are respectively equipped with a first magnetic sensor (9) and a second magnetic sensor (10). The float (7) is located in the detection cavity (8) and is provided with a magnetic pole body that cooperates with the first magnetic sensor (9) and the second magnetic sensor (10).

3. The drainage device for water conservancy engineering construction according to claim 1, characterized in that: The filter assembly (4) includes a filter cylinder (11), which is installed at the input end of the axial flow pump (1) and has a water inlet hole on its outer wall. The outer wall of the filter cylinder (11) abuts against the scraping end of the scraper assembly (5).

4. The drainage device for water conservancy engineering construction according to claim 3, characterized in that: The filter cylinder (11) has a fixing ring (12) connected to its outer wall, and the fixing ring (12) has multiple support feet (13).

5. The drainage device for water conservancy engineering construction according to claim 3, characterized in that: The scraper assembly (5) includes a rotating rod (31), a mounting plate (14), and a scraper (15). The rotating rod (31) is located on the lower side of the filter cylinder (11), and the middle part of the rotating rod (31) is connected to the rotating assembly. The rotating assembly is located inside the filter cylinder (11). The mounting plate (14) is connected to both ends of the rotating rod (31). The scraper (15) is mounted on the mounting plate (14), and the outer edge of the scraper (15) abuts against the outer wall of the filter cylinder (11).

6. The drainage device for water conservancy engineering construction according to claim 5, characterized in that: The rotating assembly includes a rotating blade (16) and a connecting rod (17). The rotating blade (16) is installed in the middle of the connecting rod (17), and one end of the connecting rod (17) is installed on the filter cylinder (11) through a first mounting bearing and connected to the middle of the rotating rod (31). The other end of the connecting rod (17) is installed on the perforated plate (18) through a second mounting bearing. The perforated plate (18) is installed inside the filter cylinder (11).

7. The drainage device for water conservancy engineering construction according to claim 1, characterized in that: The axial flow pump (1) includes a housing (19) and a mounting bracket (20) installed inside the housing (19). A power motor (21) is installed on the mounting bracket (20), and the output end of the power motor (21) is connected to an axial flow blade (22) via an output shaft (23).

8. The drainage device for water conservancy engineering construction according to claim 7, characterized in that: A bearing (24) is mounted on the outside of the output shaft (23), and a support sleeve (25) is mounted on the outside of the bearing (24). The support sleeve (25) is connected to the mounting frame (20) through a guide vane (26).

9. The drainage device for water conservancy engineering construction according to claim 1, characterized in that: The bracket (2) includes a first locking member (27) and a second locking member (28) arranged opposite to each other. The first locking member (27) and the second locking member (28) are used to fix the axial flow pump (1). Both ends of the first locking member (27) and the second locking member (28) are connected to the support frame (30) through connectors (29).

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