CN111335274A - River course cleaning device for hydraulic engineering - Google Patents
River course cleaning device for hydraulic engineering Download PDFInfo
- Publication number
- CN111335274A CN111335274A CN202010281681.9A CN202010281681A CN111335274A CN 111335274 A CN111335274 A CN 111335274A CN 202010281681 A CN202010281681 A CN 202010281681A CN 111335274 A CN111335274 A CN 111335274A
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- plate
- threaded rod
- driving motor
- fixedly connected
- cleaning device
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
- E02B8/023—Arresting devices for waterborne materials
- E02B8/026—Cleaning devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to a river channel cleaning device for hydraulic engineering, belonging to the technical field of river channel cleaning, which comprises a mounting plate, wherein the mounting plate is provided with a U-shaped plate, the U-shaped plate is provided with a grid plate, the grid plate is provided with a straight groove, the straight groove is provided with a tooth block, the mounting plate is provided with a first mounting frame, a second mounting frame and a third mounting frame, the second mounting frame is provided with a second driving motor, the second driving motor is provided with a rotating rod, the rotating rod is provided with a first gear ring, the first mounting frame is provided with a first driving motor, the first driving motor is provided with a second gear ring, the second gear ring is provided with a third gear ring, the third gear ring is provided with a transverse threaded rod, the transverse threaded rod is provided with an L-shaped push plate, the third mounting frame is provided with a lifting structure, the mounting plate is fixedly arranged at two sides of a river channel, the grid plate is placed in the U-shaped plate, river course filth convenient to staff's clearance interception for river course cleaning device conveniently clears up the filth of interception.
Description
Technical Field
The invention relates to the technical field of river channel cleaning, in particular to a river channel cleaning device for hydraulic engineering.
Background
River regulation is also called river bed regulation. Engineering measures for controlling and reforming the river channel. The phenomena of scouring and silting frequently occur in natural rivers, water damage easily occurs, and the development of water conservancy is hindered. In order to meet the requirements of removing troubles and benefiting, proper measures are needed to be taken to renovate the river channel, including projects such as dredging, dredging and bank protection.
The river regulation is a project measure for reasonably utilizing flood control, shipping, water supply, drainage and river bank beaches, and according to the law of river evolution, the main stream position of the river is adjusted and stabilized according to the momentum, so as to improve the water flow, sediment movement and riverbed silt flushing position, the river regulation is divided into ① mountain river regulation, ② plain river regulation (including estuary section), main functions of controlling and adjusting river, cutting and straightening, widening and dredging and the like, China has Yu Shu Jiu river before 4000 years, the teaching of guiding into the sea, the introduction of the open river discipline governs the yellow river, he also refers to the theory of river control and sand control, the theory of river science and river control has creativity and creativity, the flow is long, and the river dynamics engineering is advanced along with the development of the recent river, river dynamics, river regulation and river engineering and the development of a new river engineering model, and the development of river engineering materials.
At the upstream section of a river passing through urban areas, plant straws, leaves, plastic wastes, dryland and hygrophytes and the like around the river can flow downwards during rainy seasons; in the midstream section, which generally belongs to the urban and rural junction area, residents and factories deposit a large amount of floating and suspended matters in dry seasons, so that the floating and suspended matters can be intensively gushed out in rainy days; in the downstream section, urban watercourses, pipeline deposits, suspensions, household garbage and the like all participate in floating together under the action of rainy seasons or floods, and serious urban waterlogging is caused once the watercourses are blocked or urban drainage systems are blocked. The river course cleaning device has been designed in order to prevent that the water course filth from causing the influence now, but the inconvenient filth with the interception of river course cleaning device clears up, simultaneously, is used for the inconvenient taking out of structure of interception to change.
Based on this, the invention provides a river channel cleaning device for hydraulic engineering, and the technical problems are solved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention aims to provide a river channel cleaning device for hydraulic engineering, which is mainly used for solving the problems that the river channel cleaning device is inconvenient to clean up intercepted dirt, and meanwhile, a structure for intercepting is inconvenient to take out for replacement.
The invention is realized by the following technical scheme: a river channel cleaning device for hydraulic engineering comprises a mounting plate, wherein a U-shaped plate is fixedly connected between the tops of the mounting plate, a grid plate for blocking river channel dirt is connected to the inner wall of the U-shaped plate in a laminating and sliding mode, straight grooves are symmetrically formed in the front side wall of the grid plate, tooth blocks are uniformly and fixedly connected in the straight grooves, a first mounting frame, a second mounting frame and a third mounting frame are fixedly connected to the mounting plate, a second driving motor is fixedly mounted in the second mounting frame, the output end of the second driving motor is fixedly connected with a rotating rod, the rotating rod is symmetrically and fixedly connected with a first gear ring meshed with the tooth blocks, a first driving motor is fixedly mounted on the first mounting frame, a second gear ring is fixedly connected to the output end of the first driving motor, a third gear ring meshed with a third gear ring, and a transverse threaded rod is fixedly connected to the third gear ring, the transverse threaded rod is connected with an L-shaped push plate in a sliding connection with the grid plate in an attached mode through threaded grooves and threads, and the third mounting frame is provided with a lifting structure used for lifting river sewage.
As a further improvement of the scheme, the U-shaped plate is rotatably connected with a rotating rod through a bearing fixedly connected with the U-shaped plate.
As a further improvement of the scheme, the left side is fixedly connected with a straight plate at the right end of the bottom of the mounting plate, and the straight plate is rotatably connected with the transverse threaded rod through a bearing fixedly connected with the straight plate.
As a further improvement of the above scheme, the mounting plate on the left side is provided with a straight hole, and the third gear ring rotates in the straight hole.
As a further improvement of the scheme, the lifting structure comprises a third driving motor, a vertical threaded rod, a lifting plate, a driving bevel gear, a driven bevel gear and a transverse plate, the third driving motor is fixedly connected with a third mounting frame, the output end of the third driving motor is fixedly connected with the driving bevel gear, the driving bevel gear is meshed with the driven bevel gear, the bottom of the driven bevel gear is fixedly connected with the vertical threaded rod, the transverse plate is rotatably connected with the vertical threaded rod through a bearing fixedly connected with the transverse plate, and the lifting plate is connected to the vertical threaded rod through a thread groove and threads.
As a further improvement of the scheme, the bottoms of the vertical threaded rod and the transverse threaded rod are fixedly connected with limiting blocks.
As a further improvement of the scheme, the vertical threaded rod and the horizontal threaded rod are both reciprocating threaded rods.
As a further improvement of the above scheme, the first driving motor, the second driving motor and the third driving motor are all electrically connected to an external power supply.
As a further improvement of the scheme, the grid plate, the L-shaped push plate, the lifting plate, the vertical threaded rod and the transverse threaded rod are all made of aluminum alloy materials.
Compared with the prior art, the invention has the beneficial effects that:
1. the mounting plate is fixedly mounted on two sides of a river channel, a grid plate is placed in a U-shaped plate, the grid plate filters and intercepts dirt in the river channel, meanwhile, a first driving motor drives a second gear ring to rotate, the second gear ring drives a third gear ring to rotate, the third gear ring drives a transverse threaded rod connected with a straight plate to rotate, the transverse threaded rod drives an L-shaped push plate to move, the L-shaped push plate scrapes the dirt in the river channel on the grid plate to the rear side of the grid plate, finally, a third driving motor of a lifting structure drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives a vertical threaded rod connected with a transverse plate to rotate, the vertical threaded rod drives a lifting plate to move upwards, the lifting plate is moved to lift the dirt in the river channel between the L-shaped push plate and the grid plate upwards, and the dirt in the bottom of the grid, the intercepted river dirt can be conveniently cleaned by workers, so that the intercepted dirt can be conveniently cleaned by the river cleaning device;
2. according to the grid plate device, the U-shaped plate is driven to rotate by the second driving motor, the first gear ring is driven to rotate by the rotating rod, the grid plate is driven to move by the rotating first gear ring through the tooth block, so that the grid plate is conveniently lifted from a river channel, the grid plate is conveniently assembled and disassembled on the U-shaped plate, and a structure for intercepting in the device is conveniently taken out for replacement;
3. according to the invention, the vertical threaded rod and the horizontal threaded rod are both reciprocating threaded rods, so that the L-shaped push plate and the lifting plate can conveniently move back and forth.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a bottom view of the structure of the present invention;
FIG. 3 is a rear view of the structure of the present invention;
FIG. 4 is a schematic view of a lifting structure connection structure of the present invention;
FIG. 5 is a schematic view of a first driving motor and its connection structure of the present invention;
the reference numerals are as follows:
1. the mounting plate 2, the first driving motor 3, the first mounting frame 4, the straight groove 5, the transverse threaded rod 6, the rotating rod 7, the first gear ring 8, the U-shaped plate 9, the second mounting frame 10, the second driving motor 11, the straight plate 12, the third mounting frame 13, the third driving motor 14, the vertical threaded rod 15, the lifting plate 16, the L-shaped push plate 17, the tooth block 18, the grid plate 19, the second gear ring 20, the third gear ring 21, the limiting block 22, the driving bevel gear 23, the driven bevel gear 24, the transverse plate 25 and the through hole.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the invention is further explained by combining the attached drawings.
Example 1
As shown in fig. 1-5, a river channel cleaning device for hydraulic engineering comprises a mounting plate 1, a U-shaped plate 8 is fixedly connected between the tops of the mounting plate 1, a grid plate 18 for blocking river channel dirt is slidably connected to the inner wall of the U-shaped plate 8, the grid plate 18 is placed in the U-shaped plate 8 by fixedly mounting the mounting plate 1 on two sides of the river channel, the grid plate 18 filters and intercepts the dirt in the river channel, straight grooves 4 are symmetrically formed in the front side wall of the grid plate 18, tooth blocks 17 are uniformly and fixedly connected in the straight grooves 4, a first mounting frame 3, a second mounting frame 9 and a third mounting frame 12 are fixedly connected to the mounting plate 1, a second driving motor 10 is fixedly mounted in the second mounting frame 9, a rotating rod 6 is fixedly connected to the output end of the second driving motor 10, a rotating rod 6 is rotatably connected to the U-shaped plate 8 through a fixedly connected bearing, a first gear ring 7 connected to the rotating rod 6 in a meshing manner, second driving motor 10 drives U-shaped plate 8 and rotates the dwang 6 of connecting, and dwang 6 drives first ring gear 7 and rotates, and first ring gear 7 of pivoted drives grid plate 18 through tooth piece 17 and removes, conveniently lifts grid plate 18 from the river course in, conveniently loads and unloads grid plate 18 on U-shaped plate 8 for the structure that is used for the interception in the device conveniently takes out and changes.
Example 2
Example 2 is a further modification to example 1.
As shown in fig. 1-5, a river channel cleaning device for hydraulic engineering comprises a mounting plate 1, a U-shaped plate 8 is fixedly connected between the tops of the mounting plate 1, a grid plate 18 for blocking river channel dirt is slidably connected to the inner wall of the U-shaped plate 8, straight grooves 4 are symmetrically formed in the front side wall of the grid plate 18, tooth blocks 17 are uniformly and fixedly connected to the straight grooves 4, a first mounting frame 3, a second mounting frame 9 and a third mounting frame 12 are fixedly connected to the mounting plate 1, a second driving motor 10 is fixedly mounted in the second mounting frame 9, a rotating rod 6 is fixedly connected to the output end of the second driving motor 10, the U-shaped plate 8 is rotatably connected to the rotating rod 6 through a fixedly connected bearing, the rotating rod 6 is symmetrically and fixedly connected to a first gear ring 7 engaged with the tooth blocks 17, a first driving motor 2 is fixedly mounted to the first mounting frame 3, and a second gear ring 19 is fixedly connected to the output, the second gear ring 19 is engaged with a third gear ring 20, the right end of the bottom of the left mounting plate 1 is fixedly connected with a straight plate 11, the straight plate 11 is rotatably connected with a transverse threaded rod 5 through a bearing fixedly connected with the straight plate, the left mounting plate 1 is provided with a straight hole 25, the third gear ring 20 rotates in the straight hole 25, the third gear ring 20 is fixedly connected with the transverse threaded rod 5, the transverse threaded rod 5 is connected with an L-shaped push plate 16 which is attached to and slidably connected with a grid plate 18 through a thread groove and a thread, the third mounting frame 12 is provided with a lifting structure for lifting river sewage, the first driving motor 2 drives the second gear ring 19 to rotate, the second gear ring 19 drives the third gear ring 20 to rotate, the third gear ring 20 drives the straight plate 11 to rotate the connected transverse threaded rod 5, the transverse threaded rod 5 drives the L-shaped push plate 16 to move, and the L-shaped push plate 16 scrapes river dirt on the grid plate 18 to the rear side of the grid plate 18.
Example 3
Example 3 is a further modification to example 1.
As shown in fig. 1-5, a river channel cleaning device for hydraulic engineering comprises a mounting plate 1, a U-shaped plate 8 is fixedly connected between the tops of the mounting plate 1, a grid plate 18 for blocking river channel dirt is slidably connected to the inner wall of the U-shaped plate 8, straight grooves 4 are symmetrically formed in the front side wall of the grid plate 18, tooth blocks 17 are uniformly and fixedly connected to the straight grooves 4, a first mounting frame 3, a second mounting frame 9 and a third mounting frame 12 are fixedly connected to the mounting plate 1, a second driving motor 10 is fixedly mounted to the second mounting frame 9, a rotating rod 6 is fixedly connected to the output end of the second driving motor 10, a first gear ring 7 meshed with the tooth blocks 17 is symmetrically and fixedly connected to the rotating rod 6, a first driving motor 2 is fixedly mounted to the first mounting frame 3, a second gear ring 19 is fixedly connected to the output end of the first driving motor 2, and a third gear ring 20 is meshed with the second, the third gear ring 20 is fixedly connected with a transverse threaded rod 5, the transverse threaded rod 5 is connected with an L-shaped push plate 16 which is attached to and slidably connected with a grid plate 18 through thread grooves and threads, the third mounting frame 12 is provided with a lifting structure for lifting river sewage, the lifting structure comprises a third driving motor 13, a vertical threaded rod 14, a lifting plate 15, a driving bevel gear 22, a driven bevel gear 23 and a transverse plate 24, the third driving motor 13 is fixedly connected with the third mounting frame 12, the output end of the third driving motor 13 is fixedly connected with the driving bevel gear 22, the driving bevel gear 22 is engaged and connected with the driven bevel gear 23, the bottom of the driven bevel gear 23 is fixedly connected with a vertical threaded rod 14, the transverse plate 24 is rotatably connected with the vertical threaded rod 14 through a bearing which is fixedly connected, the lifting plate 15 is connected on the vertical threaded rod 14 through thread grooves and threads, and the bottoms, the vertical threaded rod 14 and the horizontal threaded rod 5 are both reciprocating threaded rods, so that the L-shaped push plate 16 and the lifting plate 15 can move back and forth conveniently, the first driving motor 2, the second driving motor 10 and the third driving motor 13 are all electrically connected with an external power supply, the grid plate 18, the L-shaped push plate 16, the lifting plate 15, the vertical threaded rod 14 and the horizontal threaded rod 5 are all made of aluminum alloy materials, the third driving motor 13 of the lifting structure drives the driving bevel gear 22 to rotate, the driving bevel gear 22 drives the driven bevel gear 23 to rotate, the driven bevel gear 23 drives the vertical threaded rod 14 connected with the transverse plate 24 to rotate, the vertical threaded rod 14 drives the lifting plate 15 to move upwards, the lifting plate 15 is moved to lift up the river dirt between the L-shaped push plate 16 and the grid plate 18, so that the river dirt at the bottom of the grid, river course filth convenient to staff's clearance interception for river course cleaning device conveniently clears up the filth of interception.
The specific use is as follows: the mounting plate 1 is fixedly mounted on two sides of a river channel, a grid plate 18 is placed in a U-shaped plate 8, the grid plate 18 filters and intercepts dirt in the river channel, meanwhile, a first driving motor 2 is started, the first driving motor 2 drives a second gear ring 19 to rotate, the second gear ring 19 drives a third gear ring 20 to rotate, the third gear ring 20 drives a transverse threaded rod 5 which is rotatably connected with a straight plate 11 to rotate, the transverse threaded rod 5 drives an L-shaped push plate 16 to move, the L-shaped push plate 16 scrapes the dirt in the river channel on the grid plate 18 to the rear side of the grid plate 18, finally, a third driving motor 13 of a lifting structure is started, the third driving motor 13 drives a driving bevel gear 22 to rotate, the driving bevel gear 22 drives a driven bevel gear 23 to rotate, the driven bevel gear 23 drives a transverse rod 14 which is rotatably connected with a transverse plate 24 to rotate, the vertical threaded rod 14 drives a lifting plate 15 to move upwards, the lifting plate 15 moves the lifting plate 15 to lift the dirt, river dirt at the bottom of the grid plate 18 can be moved to the upper half part of the vertical threaded rod 14 conveniently, and the intercepted river dirt can be cleaned conveniently by workers, so that the intercepted dirt can be cleaned conveniently by the river cleaning device; meanwhile, a second driving motor 10 is started, the second driving motor 10 drives the U-shaped plate 8 to rotate the connected rotating rod 6, the rotating rod 6 drives the first gear ring 7 to rotate, the rotating first gear ring 7 drives the grid plate 18 to move through the tooth block 17, the grid plate 18 is conveniently lifted from the river channel, the grid plate 18 is conveniently assembled and disassembled on the U-shaped plate 8, and a structure for intercepting in the device is conveniently taken out for replacement; in addition, the vertical threaded rod 14 and the horizontal threaded rod 5 are both reciprocating threaded rods, so that the L-shaped push plate 16 and the lifting plate 15 can move back and forth conveniently.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a river course cleaning device for hydraulic engineering, includes mounting panel (1), its characterized in that: the river channel sewage blocking device is characterized in that a U-shaped plate (8) is fixedly connected between the tops of the mounting plates (1), a grid plate (18) used for blocking river channel sewage is connected to the inner wall of the U-shaped plate (8) in a sliding mode in a laminating mode, straight grooves (4) are symmetrically formed in the front side wall of the grid plate (18), tooth blocks (17) are evenly and fixedly connected in the straight grooves (4), a first mounting frame (3), a second mounting frame (9) and a third mounting frame (12) are fixedly connected to the mounting plates (1), a second driving motor (10) is fixedly mounted in the second mounting frame (9), a rotating rod (6) is fixedly connected to the output end of the second driving motor (10), a first gear ring (7) meshed with the tooth blocks (17) is symmetrically and fixedly connected to the rotating rod (6), a first driving motor (2) is fixedly mounted to the first mounting frame (3), a second gear ring (19) is fixedly connected to the output end of, the second gear ring (19) is connected with a third gear ring (20) in a meshed mode, the third gear ring (20) is fixedly connected with a transverse threaded rod (5), the transverse threaded rod (5) is connected with an L-shaped push plate (16) which is connected with a grid plate (18) in a laminating and sliding mode through thread grooves and threads, and a lifting structure used for lifting river sewage is arranged on the third mounting frame (12).
2. The river channel cleaning device for the hydraulic engineering of claim 1, wherein: the U-shaped plate (8) is rotatably connected with a rotating rod (6) through a bearing fixedly connected with the U-shaped plate.
3. The river channel cleaning device for the hydraulic engineering of claim 1, wherein: the left side the bottom right-hand member fixedly connected with straight board (11) of mounting panel (1), straight board (11) are connected with horizontal threaded rod (5) rotation through fixed connection's bearing.
4. The river channel cleaning device for the hydraulic engineering of claim 2, wherein: and a straight hole (25) is formed in the mounting plate (1) on the left side, and the third gear ring (20) rotates in the straight hole (25).
5. The river channel cleaning device for the hydraulic engineering of claim 1, wherein: promote the structure and include third driving motor (13), vertical threaded rod (14), carry board (15), drive bevel gear (22), driven bevel gear (23) and diaphragm (24), third driving motor (13) and third mounting bracket (12) fixed connection, the output fixedly connected with drive bevel gear (22) of third driving motor (13), drive bevel gear (22) meshing is connected with driven bevel gear (23), driven bevel gear (23) bottom fixedly connected with vertical threaded rod (14), diaphragm (24) are connected with vertical threaded rod (14) rotation through fixed connection's bearing, have on vertical threaded rod (14) to carry board (15) through thread groove threaded connection.
6. The river channel cleaning device for the hydraulic engineering of claim 5, wherein: and the bottoms of the vertical threaded rod (14) and the transverse threaded rod (5) are fixedly connected with limit blocks (21).
7. The river channel cleaning device for the hydraulic engineering of claim 6, wherein: and the vertical threaded rod (14) and the horizontal threaded rod (5) both adopt reciprocating threaded rods.
8. The river channel cleaning device for the hydraulic engineering of claim 5, wherein: the first driving motor (2), the second driving motor (10) and the third driving motor (13) are all electrically connected with an external power supply.
9. The river channel cleaning device for the hydraulic engineering of claim 7, wherein: the grid plate (18), the L-shaped push plate (16), the lifting plate (15), the vertical threaded rod (14) and the transverse threaded rod (5) are all made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281681.9A CN111335274B (en) | 2020-04-10 | 2020-04-10 | River course cleaning device for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281681.9A CN111335274B (en) | 2020-04-10 | 2020-04-10 | River course cleaning device for hydraulic engineering |
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| Publication Number | Publication Date |
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| CN111335274A true CN111335274A (en) | 2020-06-26 |
| CN111335274B CN111335274B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010281681.9A Expired - Fee Related CN111335274B (en) | 2020-04-10 | 2020-04-10 | River course cleaning device for hydraulic engineering |
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| Country | Link |
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| CN (1) | CN111335274B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112160294A (en) * | 2020-10-06 | 2021-01-01 | 安徽省萧县黄河故道园艺场 | Small-size reservoir dam rubbish cleaning device |
| CN113152382A (en) * | 2021-03-05 | 2021-07-23 | 项友 | But hydraulic engineering of automatically cleaning is with hiding diversion canal |
| CN116732957A (en) * | 2023-06-25 | 2023-09-12 | 韶关市华源水电建设有限公司 | Trash device for water conservancy and hydropower and application method thereof |
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| CN112160294A (en) * | 2020-10-06 | 2021-01-01 | 安徽省萧县黄河故道园艺场 | Small-size reservoir dam rubbish cleaning device |
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| CN116732957A (en) * | 2023-06-25 | 2023-09-12 | 韶关市华源水电建设有限公司 | Trash device for water conservancy and hydropower and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN111335274B (en) | 2021-12-21 |
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