Bubble type underwater raking device for channel silt reduction

Abstract

The utility model discloses a bubble type underwater raking device for channel siltation reduction, which comprises a raking device body and a vibration grid, a roller is arranged in the middle of the rear end of the raking device body, the bubble type underwater raking device further comprises a fixing plate, the fixing plate is fixedly arranged in the middle of the front end of the raking device body, a micropore aeration device is arranged at the front end of the fixing plate, and the vibration grid is arranged on the raking device body. A plurality of rake teeth are arranged at the lower end of the microporous aeration device; the adjusting assemblies are arranged on the two sides of the front end of the raking device body, and the width of the raking device body can be adjusted through the adjusting assemblies; the knocking assembly is arranged at the upper end of the raking device body, and the knocking assembly can be used for knocking the vibration grid; by means of the micropore aeration device and the vibration grating, bubbles are generated to enable bottom mud to be mixed with water, the dredging effect is improved, the width of the rake head of the raking device body is adjusted through the adjusting assembly, and the raking device can be used for channels with different widths.

Description

Technical Field

[0001] The utility model relates to the technical field of rake levelers, in particular to a bubble-type underwater rake leveler used for reducing siltation in waterways. Background Art

[0002] The rake leveler, also known as the underwater leveler, is a leveling boat used in conjunction with a dredge suction dredge to carry out shallow sweeping during the final stage of the port and waterway dredging project. During the dredging process, due to the influence of complex water flow, wind and waves, and uneven distribution of channel soil, shallow spots or furrows will appear in the later construction process. The rake leveler combined with the dredge suction dredge to carry out shallow sweeping is conducive to improving the quality of dredging construction, reducing over-excavation and waste, shortening the shallow sweeping time, and improving the shallow sweeping efficiency. However, for some Fengsha River estuary ports with high sand content, complex tidal conditions, and serious channel siltation, the effect of using the rake leveler in conjunction with the dredge suction dredge to carry out shallow sweeping in the later stage is very limited. Due to the serious siltation of the channel and the thick floating mud layer, the sweeping test acceptance is affected. The dredge suction dredge adopts the loading construction technology for shallow sweeping, and the dredging effect of the floating mud layer is not ideal.

[0003] Existing rakes include new adjustable underwater rakes and active underwater rakes, which simply increase the cutting force on shallow points. For waterways with serious siltation and thick floating mud layers, the later rakes are combined with rake suction boats to sweep shallow and clear silt. The silt is easy to sink to the bottom and cause siltation. The effect is very unsatisfactory, affecting the sweeping test and acceptance. The rake suction boat uses traditional loading construction technology to sweep shallow and clear silt. During the shallow sweeping, only the silt within a certain range can be cleaned, and the width of the rake head of the rake cannot be adjusted. Therefore, those skilled in the art provide a bubble-type underwater rake for reducing siltation in waterways to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art that mud and sand are easy to sink to the bottom and cause silting and the width of the rake head of the rake cannot be adjusted, and proposes a bubble type underwater rake for reducing siltation in waterways.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A bubble-type underwater rake for reducing siltation in a waterway comprises a rake body and a vibration grid, a roller is arranged at the middle of the rear end of the rake body, and further comprises:

[0007] A fixed plate, the fixed plate is fixedly arranged at the middle of the front end of the rake body, the front end of the fixed plate is provided with a microporous aeration device, and the lower end of the microporous aeration device is provided with a plurality of rake teeth;

[0008] An adjustment component, wherein the adjustment component is arranged at both sides of the front end of the rake body, and the adjustment component can adjust the width of the rake body;

[0009] A knocking assembly is arranged at the upper end of the rake body, and the knocking assembly can knock on the vibration grille.

[0010] As a preferred technical solution of the present application, the adjustment assembly includes limit seats arranged on both sides of the rake body, an electric telescopic rod connected to the limit seat, a limit block arranged at the output end of the electric telescopic rod, a rotating plate arranged on both sides of the microporous aeration device, and a limit box arranged at the lower end of the rotating plate. The inner wall of the limit box is provided with a limit groove, and the two limit blocks slide in the corresponding limit grooves respectively, and a plurality of rake teeth are arranged at the lower ends of the two rotating plates.

[0011] As a preferred technical solution of the present application, a limit assembly is provided on the rake body, and the limit assembly includes a first support block arranged on both sides of the upper end of the rake body, a second support block arranged at both ends of the front side of the upper end of the rake body, a second fixed block arranged at the upper end of the second support block, a fixed frame arranged at the upper end of the second fixed block, a first fixed block arranged on both sides of the lower end of the fixed frame, a connecting column arranged on both sides of the inner rear end of the fixed frame, a first fixed column arranged at both ends of the inner side of the fixed frame, a first connecting rod arranged at the lower end of the first fixed column, a first limit sleeve arranged at the lower end of the first connecting rod, a first limit rod arranged between two groups of first limit sleeves, a spring arranged between the connecting column and the first connecting rod, a second fixed column arranged on both sides of the inner front end of the fixed frame, a second connecting rod arranged at the lower end of the second fixed column, a second limit sleeve arranged at the lower end of the second connecting rod, a fixed knob arranged on the outside of the second limit sleeve, and a second limit rod arranged between the two groups of second limit sleeves, and the vibration grille is arranged between the first limit rod and the second limit rod.

[0012] As a preferred technical solution of the present application, the knocking assembly includes a protective shell arranged on the upper end of the first support block on one side, a rotating seat arranged on the upper end of the first support block on the other side, a motor arranged inside the protective shell, a rotating rod connected to the output end of the motor, and a plurality of knocking blocks arranged on the outer wall of the rotating rod, and the end of the rotating rod away from the motor is rotatably connected to the rotating seat.

[0013] As a preferred technical solution of the present application, the two connecting columns are respectively fixedly connected to the corresponding first fixed columns through springs, a first limiting rod is arranged between the two first limiting sleeves, the two second limiting sleeves are connected through a second limiting rod, and the second limiting rod is threadedly connected on both sides through fixing knobs on both sides.

[0014] As a preferred technical solution of the present application, the rake body is rotatably connected to a locking rod via a rotating shaft, a baffle is fixedly provided on the rear side of the middle of the upper end of the rake body, and the movable end of the locking rod is located between the baffle and the rake body.

[0015] Compared with the prior art, the utility model provides a bubble-type underwater rake for reducing siltation in waterways, which has the following beneficial effects:

[0016] 1. Through the microporous aeration device and the vibration grid, bubbles are generated to mix the bottom mud with water, so that the bottom mud and water are better mixed. With the vibration of the vibration grid, the bottom mud and water are mixed, and the efficiency and scope of dredging are improved, the energy consumption is reduced, and the energy consumption of the dredging process is reduced, which solves the problem of silt sinking to the bottom and causing siltation in the prior art.

[0017] 2. By adjusting the components, the width of the rake head of the rake body is adjusted, so that the rake can be used for waterways of different widths, improving the flexibility and adaptability of the work, reducing the gap between the rake and the waterway, improving work efficiency, and reducing energy consumption during the work process. This solves the problem that the width of the rake head of the rake cannot be adjusted in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of this application;

[0019] Figure 2 This is a schematic diagram of the connection structure of the microporous aeration device of the present application;

[0020] Figure 3 This is a schematic diagram of the vibration grille connection structure of the present application;

[0021] Figure 4 This is a schematic diagram of the rotating plate connection structure of the present application;

[0022] Figure 5 This is a schematic diagram of the fixing frame connection structure of the present application.

[0023] In the figure:

[0024] 1. Rake body; 2. Roller; 3. Fixed plate; 301. Microporous aeration device; 302. Rake teeth; 4. Limit seat; 401. Electric telescopic rod; 402. Limit block; 403. Rotating plate; 404. Limit box; 405. Limit groove; 5. First support block; 501. Protective shell; 502. Motor; 503. Rotating rod; 504. Knocking block; 505. First fixed block; 6. Second support block; 601. Second fixed block; 7. Fixed frame; 8. Connecting column; 801. First fixed column; 802. First connecting rod; 803. First limiting sleeve; 804. First limiting rod; 805. Spring; 9. Second fixed column; 901. Second connecting rod; 902. Second limiting sleeve; 903. Fixed knob; 904. Second limiting rod; 10. Vibrating grille; 11. Locking rod. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0026] Example:

[0027] like Figure 1-5 As shown, this embodiment proposes a bubble-type underwater rake for reducing siltation in a waterway, including a rake body 1 and a vibrating grille 10, a drum 2 is arranged at the middle of the rear end of the rake body 1, and also includes a fixing plate 3, an adjusting component and a knocking component, the fixing plate 3 is fixedly arranged at the middle of the front end of the rake body 1, a microporous aeration device 301 is arranged at the front end of the fixing plate 3, and a plurality of rake teeth 302 are arranged at the lower end of the microporous aeration device 301, the adjusting components are arranged at both sides of the front end of the rake body 1, and the adjusting components can adjust the width of the rake body 1, and the knocking components are arranged at the upper end of the rake body 1, and the knocking components can knock the vibrating grille 10;

[0028] The width can be adjusted by adjusting the components to adapt to waterways of different widths, thereby improving the flexibility and adaptability of the work, reducing the gap between the rake and the waterway, improving work efficiency, and reducing energy consumption during the work process. The vibration grille 10 is limited by the limiting component to reduce the risk of damage to the vibration grille and extend its service life. At the same time, the activity range of the vibration grille is controlled to increase the collision frequency between the bottom mud particles and the grille and improve the dredging effect. The vibration grille 10 is knocked by the knocking component to remove attachments on the grille, maintain the patency of the grille, improve the water flow rate, prevent the accumulation of bottom mud and debris, reduce the pressure and load on the grille, prevent damage caused by excessive force, extend the service life of the grille, and reduce maintenance and replacement costs.

[0029] like Figure 1 , Figure 2 , Figure 4 As shown, the adjustment assembly includes a limit seat 4 arranged on both sides of the rake body 1, an electric telescopic rod 401 connected to the limit seat 4, a limit block 402 arranged at the output end of the electric telescopic rod 401, a rotating plate 403 arranged on both sides of the microporous aeration device 301, and a limit box 404 arranged at the lower end of the rotating plate 403, the inner wall of the limit box 404 is provided with a limit groove 405, and the two limit blocks 402 are respectively limited and slid in the corresponding limit grooves 405, and the lower ends of the two rotating plates 403 are provided with a plurality of rake teeth 302;

[0030] The electric telescopic rod 401 drives the limit block 402 to slide in the limit groove 405 on the inner wall of the limit box 404, so that it drives the rotating plate 403 to rotate, and then the width of the rake body 1 is adjusted to adapt to waterways of different widths, thereby improving the flexibility and adaptability of the work.

[0031] like Figure 3 , Figure 5 As shown, a limit assembly is provided on the rake body 1, and the limit assembly includes a first support block 5 arranged on both sides of the upper end of the rake body 1, a second support block 6 arranged at both ends of the front side of the upper end of the rake body 1, a second fixed block 601 arranged at the upper end of the second support block 6, a fixed frame 7 arranged at the upper end of the second fixed block 601, a first fixed block 505 arranged on both sides of the lower end of the fixed frame 7, a connecting column 8 arranged on both sides of the inner rear end of the fixed frame 7, a first fixed column 801 arranged at both ends of the inner side of the fixed frame 7, a first connecting rod 802 arranged at the lower end of the first fixed column 801, and a connecting rod 802 arranged at the lower end of the first connecting rod 802. The first limiting sleeve 803 at the end, the first limiting rod 804 arranged between the two groups of the first limiting sleeves 803, the spring 805 arranged between the connecting column 8 and the first connecting rod 802, the second fixing column 9 arranged on both sides of the front end of the inner side of the fixing frame 7, the second connecting rod 901 arranged at the lower end of the second fixing column 9, the second limiting sleeve 902 arranged at the lower end of the second connecting rod 901, the fixing knob 903 arranged on the outside of the second limiting sleeve 902 and the second limiting rod 904 arranged between the two groups of the second limiting sleeves 902, and the vibration grille 10 is arranged between the first limiting rod 804 and the second limiting rod 904;

[0032] The first limiting rod 804 is limited by the first limiting sleeve 803 fixed by the first connecting rod 802 at the lower end of the first fixed column 801, and the second limiting rod 904 is limited by the second limiting sleeve 9 fixed by the second connecting rod 901 at the lower end of the second fixed column 9. The vibration grille 10 is limited by the first limiting rod 804 and the second limiting rod 904 to make it rotate within a certain range, thereby reducing the risk of damage to the vibration grille, extending its service life, increasing the collision frequency between the bottom mud particles and the grille, and improving the dredging effect.

[0033] like Figure 3 As shown, the knocking assembly includes a protective shell 501 disposed on the upper end of the first support block 5 on one side, a rotating seat disposed on the upper end of the first support block 5 on the other side, a motor 502 disposed inside the protective shell 501, a rotating rod 503 connected to the output end of the motor 502, and a plurality of knocking blocks 504 disposed on the outer wall of the rotating rod 503, wherein one end of the rotating rod 503 away from the motor 502 is rotatably connected to the rotating seat;

[0034] The motor 502 drives the rotating rod 503 to rotate, so that the rotating rod 503 drives the knocking block 504 to knock on the lower end of the vibration grille 10, so as to facilitate the removal of attachments on the grille, maintain the patency of the grille, improve the water flow rate, prevent the accumulation of bottom mud and debris, improve the dredging effect, and extend the service life of the grille.

[0035] like Figure 3 As shown, the two connecting columns 8 are respectively fixedly connected to the corresponding first fixing columns 801 through springs 805, a first limiting rod 804 is arranged between the two first limiting sleeves 803, and the two second limiting sleeves 902 are connected through a second limiting rod 904, and the second limiting rod 904 is threadedly connected to both sides through fixing knobs 903 on both sides;

[0036] The spring 805 is used to prevent the vibration grille 10 from vibrating too much, causing the vibration grille 10 to be out of the vibration range. The fixing knobs 903 on both sides of the second limit rod 904 are threadedly connected to facilitate the disassembly, cleaning and replacement of the vibration grille 10.

[0037] like Figure 1 As shown, the rake body 1 is rotatably connected to a lock rod 11 through a rotating shaft, a baffle is fixedly provided at the rear side of the middle part of the upper end of the rake body 1, and the movable end of the lock rod 11 is located between the baffle and the rake body 1;

[0038] The locking rod 11 is connected to the trailing suction hopper to drive the rake body 1 to move. The locking rod 11 is limited by the baffle to prevent the rake body 1 from causing failure of the vibration grid 10 during the movement, thereby increasing the service life of the rake body 1.

[0039] Specifically, the bubble-type underwater rake for reducing siltation in waterways is connected to the rake suction boat through the locking rod 11 during operation, driving the rake body 1 to move, so that the rake teeth 302 are in contact with the bottom mud, and the limit block 402 is driven by the electric telescopic rod 401 to slide in the limit groove 405 on the inner wall of the limit box 404, so that it drives the rotating plate 403 to rotate, and the width of the rake body 1 can be adjusted, and a large number of bubbles are generated by the microporous aeration device 301, and the rotating rod 503 is driven to rotate by the motor 502, so that the rotating rod 503 drives the knocking block 504 to knock on the lower end of the vibration grid 10, and the vibration grid 10 is limited by the first limit rod 804 and the second limit rod 904, so that it rotates within a certain range, thereby improving the dredging effect.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bubble-type underwater rake for reducing siltation in waterways, comprising a rake body (1) and a vibrating grid (10), characterized in that: The raking device body (1) is provided with a roller (2) at the middle of the rear end thereof, and further comprises: A fixed plate (3), the fixed plate (3) being fixedly arranged at the middle of the front end of the rake body (1), the front end of the fixed plate (3) being provided with a microporous aeration device (301), and the lower end of the microporous aeration device (301) being provided with a plurality of rake teeth (302); Adjustment components, the adjustment components are arranged on both sides of the front end of the rake body (1), and the adjustment components can adjust the width of the rake body (1); and A knocking assembly is arranged at the upper end of the rake body (1), and the knocking assembly can knock the vibration grid (10).

2. The bubble-type underwater raking device for reducing siltation in waterways according to claim 1, characterized in that: The adjustment assembly comprises a limit seat (4) arranged on both sides of the rake body (1), an electric telescopic rod (401) connected to the limit seat (4), a limit block (402) arranged at the output end of the electric telescopic rod (401), a rotating plate (403) arranged on both sides of the microporous aeration device (301), and a limit box (404) arranged at the lower end of the rotating plate (403), wherein the inner wall of the limit box (404) is provided with a limit groove (405), the two limit blocks (402) are respectively limited and slidable in the corresponding limit grooves (405), and the lower ends of the two rotating plates (403) are both provided with a plurality of rake teeth (302).

3. The bubble-type underwater raking device for reducing siltation in waterways according to claim 1, characterized in that: The rake body (1) is provided with a limit assembly, which comprises a first support block (5) arranged at both sides of the upper end of the rake body (1), a second support block (6) arranged at both ends of the front side of the upper end of the rake body (1), a second fixed block (601) arranged at the upper end of the second support block (6), a fixed frame (7) arranged at the upper end of the second fixed block (601), a first fixed block (505) arranged at both sides of the lower end of the fixed frame (7), a connecting column (8) arranged at both sides of the inner rear end of the fixed frame (7), a first fixed column (801) arranged at both ends of the inner side of the fixed frame (7), a first connecting rod (802) arranged at the lower end of the first fixed column (801), and a connecting rod (802) arranged at the lower end of the first connecting rod (802). A first limiting sleeve (803), a first limiting rod (804) arranged between two groups of first limiting sleeves (803), a spring (805) arranged between the connecting column (8) and the first connecting rod (802), a second fixing column (9) arranged on both sides of the front end of the inner side of the fixing frame (7), a second connecting rod (901) arranged at the lower end of the second fixing column (9), a second limiting sleeve (902) arranged at the lower end of the second connecting rod (901), a fixing knob (903) arranged on the outside of the second limiting sleeve (902) and a second limiting rod (904) arranged between the two groups of second limiting sleeves (902), wherein the vibration grille (10) is arranged between the first limiting rod (804) and the second limiting rod (904).

4. The bubble-type underwater raking device for reducing siltation in waterways according to claim 1, characterized in that: The knocking assembly comprises a protective shell (501) arranged at the upper end of a first support block (5) on one side, a rotating seat arranged at the upper end of the first support block (5) on the other side, a motor (502) arranged inside the protective shell (501), a rotating rod (503) connected to the output end of the motor (502), and a plurality of knocking blocks (504) arranged on the outer wall of the rotating rod (503), wherein one end of the rotating rod (503) away from the motor (502) is rotatably connected to the rotating seat.

5. The bubble-type underwater raking device for reducing siltation in waterways according to claim 3, characterized in that: The two connecting columns (8) are respectively fixedly connected to the corresponding first fixing columns (801) via springs (805); a first limiting rod (804) is provided between the two first limiting sleeves (803); and the two second limiting sleeves (902) are connected via a second limiting rod (904).

6. The bubble-type underwater raking device for reducing siltation in waterways according to claim 1, characterized in that: The rake body (1) is rotatably connected to a locking rod (11) via a rotating shaft, a baffle is fixedly arranged at the rear side of the middle part of the upper end of the rake body (1), and the movable end of the locking rod (11) is located between the baffle and the rake body (1).

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