Hydraulic engineering desilting device

By designing a dredging device for water conservancy projects, and combining height adjustment, reciprocating, stirring and sludge pumping mechanisms, the problems of low efficiency and incompleteness of traditional dredging have been solved, achieving efficient and comprehensive sludge removal and protecting water bodies and the ecological environment.

CN224092599UActive Publication Date: 2026-04-07LINFEN YUEHAI CONSERVANCY SURVEY & DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Traditional dredging methods are inefficient, incomplete, and fail to thoroughly remove stubborn silt, thus affecting the operation of water conservancy projects and the ecological environment.

Method used

A dredging device for water conservancy projects was designed, comprising a height adjustment mechanism, a reciprocating mechanism, a mixing mechanism, and a sludge pumping mechanism. By combining sludge scraping, mixing, and pumping, it achieves thorough sludge removal.

Benefits of technology

It significantly improved dredging efficiency and quality, shortened the dredging cycle, reduced project costs, and protected water bodies and the ecological environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hydraulic engineering desilting device comprises a ship body, a mounting frame is fixedly mounted on the upper surface of the rear side of the ship body, and connecting rods are connected to the two sides of the mounting frame. By using the height adjusting mechanism, the reciprocating mechanism, the stirring mechanism and the mud pumping mechanism, the desilting efficiency and quality can be remarkably improved. Through cooperative work of the height adjusting mechanism and the reciprocating mechanism, the sludge scraping mechanism can be flexibly adjusted according to the actual sludge depth and go deep into the bottom of a sludge layer to work, meanwhile, the stirring mechanism scatters the sludge through gear transmission, the dredging range is expanded, the sludge removing process is accelerated, and therefore the dredging period is greatly shortened, and the dredging efficiency is improved. And the engineering cost is reduced. Besides, the stirring mechanism is matched with the sludge pumping mechanism, so that comprehensive and deep cleaning of the sludge is ensured, the common problem of incomplete dredging in a traditional dredging method is avoided, and the water body and the ecological environment are effectively protected from being affected by secondary pollution of residual sludge.
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Description

Technical Field

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

[0002] In the field of water conservancy engineering, with the long-term operation of water bodies such as rivers, lakes, and reservoirs, a large amount of silt, organic matter, and other impurities often accumulate at the bottom, forming a silt layer. This silt not only reduces the effective volume of the water body, affecting the normal operation and scheduling of water conservancy projects, but may also lead to water quality deterioration and adverse effects on the ecological environment.

[0003] Traditional dredging methods mostly rely on manual labor or simple machinery, and still have the following drawbacks:

[0004] First, the dredging efficiency is low. Manual dredging is labor-intensive and slow, while simple machinery can improve the speed to some extent, but due to the limitations of technology and automation, the overall efficiency is still insufficient, which prolongs the project cycle and increases costs.

[0005] Secondly, the dredging is not thorough. Whether done manually or with simple machinery, it is difficult to clean the silt completely and deeply. Often, only the surface silt can be removed, while the stubborn silt at the bottom is difficult to reach. This not only affects the dredging effect, but may also cause pollution and damage to the aquatic environment due to the residual silt.

[0006] Therefore, we have made improvements to this and proposed a dredging device for water conservancy projects. Utility Model Content

[0007] In view of the shortcomings of the existing technology, this utility model provides a dredging device for water conservancy projects, which solves the problems mentioned in the background art.

[0008] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0009] Dredging devices for water conservancy projects are used to solve the above problems.

[0010] The application is as follows:

[0011] The device includes a hull, on which a mounting frame is fixedly installed on the upper surface of the rear side. Connecting rods are connected to both sides of the mounting frame, and mounting plates are fixedly installed on the other ends of the two connecting rods. A sludge scraping mechanism is provided on the lower side of the mounting plate. A height adjustment mechanism is provided between the mounting frame and the connecting rods. An mounting rod is fixedly installed on the lower surface of the connecting rods. A first fixing rod is provided on the lower side of the mounting rod, and a connecting plate is fixedly installed at the lower end of the first fixing rod. A stirring mechanism is provided on the lower side of the connecting plate. A reciprocating mechanism is provided between the first fixing rod and the mounting rod. A sludge pumping mechanism is provided on one side of the stirring mechanism.

[0012] The sludge scraping mechanism includes a second fixing rod, and there are two second fixing rods. The two second fixing rods are fixedly installed on the lower surface of the mounting plate, and a sludge scraper is fixedly installed at the lower end of the two second fixing rods.

[0013] As a preferred technical solution of this application, the height adjustment mechanism includes grooves, and the grooves are formed on both sides of one side surface of the mounting frame. The two connecting rods are slidably connected in the two grooves, and a threaded rod is rotatably connected inside the groove on one side. The threaded rod is threadedly connected to the connecting rod on one side. A lifting motor is fixedly installed on the upper surface of the mounting frame, and the output end of the lifting motor is fixedly connected to the top end of the threaded rod.

[0014] As a preferred technical solution of this application, a limiting rod is fixedly installed inside the groove on the other side, and the connecting rod on the other side is slidably connected to the limiting rod.

[0015] As a preferred technical solution of this application, the stirring mechanism includes gears, and two gears are provided. The two gears are rotatably connected inside the connecting plate and mesh with each other. A stirring head is fixedly installed on the lower surface of the two gears.

[0016] As a preferred technical solution of this application, a sealing box is fixedly installed on the upper surface of the connecting plate, and a stirring motor is provided inside the sealing box. The output end of the stirring motor is fixedly connected to a gear on one side.

[0017] As a preferred technical solution of this application, the reciprocating mechanism includes a slide groove, which is formed on the lower surface of the mounting rod. A reciprocating screw is rotatably connected inside the slide groove, and a slider is threadedly connected to the outside of the reciprocating screw. The slider is fixedly connected to the top end of the first fixed rod. A moving motor is fixedly installed on one side surface of the mounting rod, and the output end of the moving motor is fixedly connected to one end of the reciprocating screw.

[0018] As a preferred technical solution of this application, the mud pumping mechanism includes a mud pump, which is installed on the hull. The two sides of the mud pump are respectively connected to a mud pumping pipe and a mud discharge pipe, and the other end of the mud pumping pipe is connected to a connector, which is installed inside the connecting plate.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] In the scheme of this application:

[0021] The use of height adjustment, reciprocating, mixing, and sludge-lifting mechanisms significantly improves the efficiency and quality of dredging. The coordinated operation of the height adjustment and reciprocating mechanisms allows the sludge scraping mechanism to flexibly adjust according to the actual sludge depth and work deep into the bottom of the sludge layer. Simultaneously, the mixing mechanism, through gear transmission, disperses the sludge, expanding the dredging area and accelerating the sludge removal process, thereby greatly shortening the dredging cycle and reducing project costs. Furthermore, the cooperation between the mixing and sludge-lifting mechanisms ensures comprehensive and thorough sludge removal, avoiding the incomplete dredging problems common in traditional methods, and effectively protecting water bodies and the ecological environment from secondary pollution by residual sludge. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the sludge scraping mechanism and height adjustment mechanism of this utility model;

[0024] Figure 3 This is a schematic diagram of the stirring mechanism of this utility model;

[0025] Figure 4 This is a schematic diagram of the reciprocating mechanism of this utility model;

[0026] Figure 5 This is a cross-sectional structural diagram of the stirring mechanism of this utility model.

[0027] The image shows:

[0028] 1. Hull; 2. Mounting bracket; 3. Connecting rod; 4. Mounting plate; 5. Sludge scraping mechanism; 501. Second fixing rod; 502. Sludge scraper; 6. Height adjustment mechanism; 601. Groove; 602. Threaded rod; 603. Lifting motor; 604. Limiting rod; 7. Mounting rod; 8. First fixing rod; 9. Connecting plate; 10. Stirring mechanism; 1001. Gear; 1002. Stirring head; 1003. Sealing box; 1004. Stirring motor; 11. Reciprocating mechanism; 1101. Slide groove; 1102. Reciprocating lead screw; 1103. Sliding block; 1104. Moving motor; 12. Sludge pumping mechanism; 1201. Sludge pump; 1202. Sludge pumping pipe; 1203. Connector; 1204. Sludge discharge pipe. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described examples are only some embodiments of this utility model, and not all embodiments.

[0030] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely to illustrate some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0031] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0032] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0033] In the description of this utility model, it should be noted that the terms "upper" and "lower," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. These terms are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model. In addition, the terms "first" and "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] To address the technical problems in the background section, the following dredging device for water conservancy projects is provided:

[0035] Combination Figure 1 - Figure 5 As shown, the present invention provides a dredging device for water conservancy projects, including a hull 1. A mounting frame 2 is fixedly installed on the upper surface of the rear side of the hull 1, and connecting rods 3 are connected to both sides of the mounting frame 2. A mounting plate 4 is fixedly installed on the other end surface of the two connecting rods 3. A sludge scraping mechanism 5 is provided on the lower side of the mounting plate 4. A height adjustment mechanism 6 is provided between the mounting frame 2 and the connecting rods 3. A mounting rod 7 is fixedly installed on the lower surface of the connecting rods 3. A first fixing rod 8 is provided on the lower side of the mounting rod 7. A connecting plate 9 is fixedly installed at the lower end of the first fixing rod 8. A stirring mechanism 10 is provided on the lower side of the connecting plate 9. A reciprocating mechanism 11 is provided between the first fixing rod 8 and the mounting rod 7. A sludge pumping mechanism 12 is provided on one side of the stirring mechanism 10. The sludge scraping mechanism 5 includes a second fixing rod 501, and there are two second fixing rods 501. The two second fixing rods 501 are fixedly installed on the lower surface of the mounting plate 4. A sludge scraping plate 502 is fixedly installed at the lower end of the two second fixing rods 501.

[0036] In this embodiment: A mounting frame 2 is fixedly installed on the rear side of the hull 1. The mounting frame 2 is connected to the mounting plate 4 through the connecting rods 3 on both sides. A sludge scraping mechanism 5 is provided below the mounting plate 4. This mechanism consists of two second fixed rods 501 supporting a sludge scraper 502, which is used to directly scrape off the bottom silt. In order to flexibly adjust the sludge scraping depth, a height adjustment mechanism 6 is provided between the mounting frame 2 and the connecting rod 3. A mounting rod 7 is fixed below the connecting rod 3. Its lower side is connected to a connecting plate 9 through a first fixed rod 8. A stirring mechanism 10 is configured below the connecting plate 9. The stirring head 1002 is driven to rotate by two meshing gears 1001 to disperse the silt. In order to realize the horizontal reciprocating motion of the stirring mechanism 10, a reciprocating mechanism 11 is provided between the first fixed rod 8 and the mounting rod 7. On one side of the stirring mechanism 10, a sludge pumping mechanism 12 is also provided, including a sludge pump 1201 and a connected sludge pumping pipe 1202 and a sludge discharge pipe 1204, to ensure that the silt is effectively sucked away.

[0037] refer to Figure 1 and Figure 2 Based on the above embodiments, in order to adjust the dredging height according to actual conditions, this embodiment provides the following design:

[0038] In a preferred embodiment, the height adjustment mechanism 6 includes a groove 601, which is formed on both sides of one side surface of the mounting frame 2. Two connecting rods 3 are slidably connected in the two grooves 601. A threaded rod 602 is rotatably connected inside one side groove 601, and the threaded rod 602 is threadedly connected to the connecting rod 3 on one side. A lifting motor 603 is fixedly installed on the upper surface of the mounting frame 2, and the output end of the lifting motor 603 is fixedly connected to the top end of the threaded rod 602.

[0039] In this embodiment, the two connecting rods 3 are slidably connected in the grooves 601 on both sides, ensuring a stable lifting path. The threaded rod 602 rotatably connected in the groove 601 on one side is threadedly connected to the connecting rod 3 on the other side, so that when the lifting motor 603 drives the threaded rod 602 to rotate, the connecting rod 3 can move up and down along the threaded rod 602, thereby realizing the height adjustment of the sludge scraping mechanism 5. This ensures that the dredging operation can be precisely adjusted according to the sludge depth of different water bodies, greatly improving the efficiency and accuracy of dredging.

[0040] In a preferred embodiment, a limiting rod 604 is fixedly installed inside the groove 601 on the other side, and the connecting rod 3 on the other side is slidably connected to the limiting rod 604.

[0041] In this embodiment: a limiting rod 604 is fixedly installed inside the groove 601 on the other side, while ensuring that the connecting rod 3 on the other side is slidably connected to the limiting rod 604. The addition of the limiting rod 604 effectively prevents the connecting rod 3 from shifting or shaking during the lifting process, further improving the stability and reliability of the entire dredging device.

[0042] refer to Figure 1 - Figure 5 Based on the above embodiments, in order to break up stubborn silt and make it easier to suck away for dredging, this embodiment provides the following design:

[0043] In a preferred embodiment, the stirring mechanism 10 includes gears 1001, and two gears 1001 are provided. Both gears 1001 are rotatably connected inside the connecting plate 9, and the two gears 1001 are meshed together. A stirring head 1002 is fixedly installed on the lower surface of the two gears 1001.

[0044] In this embodiment, the stirring mechanism 10 is mainly composed of two meshing gears 1001. These two gears 1001 are rotatably connected inside the connecting plate 9, and stirring heads 1002 are fixedly installed on their lower surfaces. When the gears 1001 are driven to rotate, due to the meshing relationship, the two stirring heads 1002 will rotate in opposite directions to enhance the stirring effect. This can effectively break up the stubborn silt deposited at the bottom of the water, making it looser and easier for it to be sucked away by the subsequent sludge pumping mechanism 12.

[0045] In a preferred embodiment, a sealing box 1003 is fixedly installed on the upper surface of the connecting plate 9, and a stirring motor 1004 is provided inside the sealing box 1003. The output end of the stirring motor 1004 is fixedly connected to a gear 1001 on one side.

[0046] In this embodiment: by fixing a sealing box 1003 on the upper surface of the connecting plate 9, good protection can be provided for the internal stirring motor 1004, and the stability and safety of the motor operation can be ensured. The stirring motor 1004 installed inside the sealing box 1003 has its output end fixedly connected to the gear 1001 on one side. When the stirring motor 1004 is started, it can directly drive the gear 1001 to rotate, and then drive the other gear 1001 and the two stirring heads 1002 to rotate in opposite directions through the meshing relationship between the gears 1001.

[0047] refer to Figure 1 - Figure 4 Based on the above embodiments, in order to expand the scope of dredging, this embodiment provides the following design:

[0048] In a preferred embodiment, the reciprocating mechanism 11 includes a slide groove 1101, which is formed on the lower surface of the mounting rod 7. A reciprocating screw 1102 is rotatably connected inside the slide groove 1101, and a slider 1103 is threadedly connected to the outside of the reciprocating screw 1102. The slider 1103 is fixedly connected to the top end of the first fixed rod 8. A moving motor 1104 is fixedly mounted on one side surface of the mounting rod 7, and the output end of the moving motor 1104 is fixedly connected to one end of the reciprocating screw 1102.

[0049] In this embodiment: by opening a groove 1101 on the lower surface of the mounting rod 7, a reciprocating screw 1102 is rotatably connected inside. When the moving motor 1104 is started, it can drive the reciprocating screw 1102 to rotate smoothly in the groove 1101, and drive the slider 1103 to make reciprocating linear motion along the groove 1101, thereby driving the first fixed rod 8 and its connected stirring mechanism 10 and sludge pumping mechanism 12 to move together, thereby expanding the working range of the dredging device, enabling it to more effectively cover and clean large areas and deep layers of sludge, and significantly improving the flexibility and efficiency of dredging operations.

[0050] refer to Figure 1 - Figure 5 Based on the above embodiments, in order to dredge the silt, this embodiment provides the following design:

[0051] In a preferred embodiment, the dredging mechanism 12 includes a dredging pump 1201, which is mounted on the hull 1. The two sides of the dredging pump 1201 are respectively connected to a dredging pipe 1202 and a dredging pipe 1204, and the other end of the dredging pipe 1202 is connected to a connector 1203, which is installed inside the connecting plate 9.

[0052] In this embodiment: the mud pump 1201 is installed on the hull 1. The two sides of the mud pump 1201 are respectively connected to the mud pump pipe 1202 and the mud discharge pipe 1204. The other end of the mud pump pipe 1202 is connected to the inside of the connecting plate 9 through the connector 1203, so that the mud pump 1201 can directly extract the sludge that has been broken up by the stirring mechanism 10 below the connecting plate 9. As the mud pump 1201 is started, the sludge is sucked into the mud pump pipe 1202 and discharged to the designated position through the mud discharge pipe 1204, thereby completing the effective dredging of the sludge.

[0053] The above is the entire working process of the device, and all contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0054] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model, are covered within the scope of the claims of the present utility model.

Claims

1. A dredging device for water conservancy projects, comprising a hull (1), characterized in that: A mounting frame (2) is fixedly installed on the upper surface of the rear side of the hull (1), and a connecting rod (3) is connected to both sides of the mounting frame (2). A mounting plate (4) is fixedly installed on the other end surface of the two connecting rods (3). A mud scraping mechanism (5) is provided on the lower side of the mounting plate (4). A height adjustment mechanism (6) is provided between the mounting frame (2) and the connecting rod (3). A mounting rod (7) is fixedly installed on the lower surface of the connecting rod (3). A first fixing rod (8) is provided on the lower side of the mounting rod (7). A connecting plate (9) is fixedly installed at the lower end of the first fixing rod (8). A stirring mechanism (10) is provided on the lower side of the connecting plate (9). A reciprocating mechanism (11) is provided between the first fixing rod (8) and the mounting rod (7). A mud pumping mechanism (12) is provided on one side of the stirring mechanism (10). The sludge scraping mechanism (5) includes a second fixing rod (501), and there are two second fixing rods (501). The two second fixing rods (501) are fixedly installed on the lower surface of the mounting plate (4), and a sludge scraper (502) is fixedly installed at the lower end of the two second fixing rods (501).

2. The dredging device for water conservancy projects according to claim 1, characterized in that: The height adjustment mechanism (6) includes a groove (601), and the groove (601) is opened on both sides of one side surface of the mounting frame (2). The two connecting rods (3) are slidably connected in the two grooves (601). A threaded rod (602) is rotatably connected inside the groove (601) on one side, and the threaded rod (602) is threadedly connected to the connecting rod (3) on one side. A lifting motor (603) is fixedly installed on the upper surface of the mounting frame (2), and the output end of the lifting motor (603) is fixedly connected to the top end of the threaded rod (602).

3. The dredging device for water conservancy projects according to claim 2, characterized in that: A limiting rod (604) is fixedly installed inside the groove (601) on the other side, and the connecting rod (3) on the other side is slidably connected to the limiting rod (604).

4. The dredging device for water conservancy projects according to claim 1, characterized in that: The stirring mechanism (10) includes gears (1001), and there are two gears (1001). The two gears (1001) are rotatably connected inside the connecting plate (9), and the two gears (1001) are meshed together. The stirring head (1002) is fixedly installed on the lower surface of the two gears (1001).

5. A dredging device for water conservancy projects according to claim 4, characterized in that: A sealing box (1003) is fixedly installed on the upper surface of the connecting plate (9), and a stirring motor (1004) is provided inside the sealing box (1003). The output end of the stirring motor (1004) is fixedly connected to a gear (1001) on one side.

6. The dredging device for water conservancy projects according to claim 1, characterized in that: The reciprocating mechanism (11) includes a slide groove (1101), which is located on the lower surface of the mounting rod (7). A reciprocating screw (1102) is rotatably connected inside the slide groove (1101), and a slider (1103) is threadedly connected to the outside of the reciprocating screw (1102). The slider (1103) is fixedly connected to the top end of the first fixed rod (8). A moving motor (1104) is fixedly installed on one side surface of the mounting rod (7), and the output end of the moving motor (1104) is fixedly connected to one end of the reciprocating screw (1102).

7. A dredging device for water conservancy projects according to claim 1, characterized in that: The dredging mechanism (12) includes a dredging pump (1201), which is installed on the hull (1). The two sides of the dredging pump (1201) are respectively connected to a dredging pipe (1202) and a dredging pipe (1204), and the other end of the dredging pipe (1202) is connected to a connector (1203), which is installed inside the connecting plate (9).