CN112323897A - Sludge cleaning equipment capable of protecting river bottom vegetation from being damaged - Google Patents
Sludge cleaning equipment capable of protecting river bottom vegetation from being damaged Download PDFInfo
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- CN112323897A CN112323897A CN202011135721.5A CN202011135721A CN112323897A CN 112323897 A CN112323897 A CN 112323897A CN 202011135721 A CN202011135721 A CN 202011135721A CN 112323897 A CN112323897 A CN 112323897A
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- vegetation
- sludge
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
Abstract
The invention relates to sludge cleaning equipment, in particular to sludge cleaning equipment capable of protecting river bottom vegetation from being damaged, which comprises a support pulling frame, a power driving assembly, a speed reduction driving assembly, a waterweed vegetation gathering assembly and the like; the top of the supporting and pulling frame is provided with a power driving assembly, the power driving assembly is connected with a speed reduction driving assembly, the speed reduction driving assembly is arranged on the supporting and pulling frame, and the two sides of the lower part of the supporting and pulling frame are respectively provided with a pasture and water vegetation furling assembly. Through the speed reduction driving assembly, the sludge excavating frame realizes multi-stage speed reduction transmission while excavating sludge at a high speed.
Description
Technical Field
The invention relates to sludge cleaning equipment, in particular to sludge cleaning equipment capable of protecting river bottom vegetation from being damaged.
Background
River bottom sludge contains a large amount of organic matters, so that bacteria are easy to breed, the river bottom sludge needs to be cleaned regularly to prevent the bacteria from breeding in a large amount to further pollute the environment, and a large amount of waterweeds naturally grow on the river bottom and are habitats and shelters of a plurality of aquatic animals.
The existing comparison file is CN210726199U in an authorization notice number, the problem that river bottom vegetation can be effectively protected when river bottom sludge is cleaned is mainly solved, but the existing comparison file needs to be matched with other sludge suction devices, is complex to operate and is not beneficial to improving the working efficiency.
In view of the above-mentioned problems, the present invention aims to provide a sludge cleaning apparatus which has simple operation steps and can protect river bottom vegetation from being damaged when the sludge cleaning operation is performed on the river bottom.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides the sludge cleaning equipment which has simple and convenient operation steps and can protect river bottom vegetation from being damaged when the sludge cleaning operation is carried out on the river bottom.
The technical implementation scheme of the invention is as follows: the utility model provides a can protect river bottom vegetation and avoid mud clean-up equipment of destruction, including supporting pulling frame, the power drive subassembly, the speed reduction drive subassembly, the pasture and water vegetation draws in the subassembly, mud excavates subassembly and supporting wheel, it is equipped with the power drive subassembly to support pulling frame top, the power drive subassembly is connected with the speed reduction drive subassembly, the speed reduction drive subassembly is located and is supported on the pulling frame, it is equipped with the pasture and water vegetation respectively and draws in the subassembly to support pulling frame lower part both sides, it is equipped with mud respectively and excavates the subassembly to support pulling frame upper portion both sides, both sides are equipped with the supporting wheel respectively around the pasture and water vegetation draws.
Further, the power drive subassembly is including the mounting panel, servo motor, the bearing housing, rotatory hollow tube, the belt pulley, flat belt and integral key shaft, it is equipped with a pair of mounting panel to support pulling frame top, both sides mounting panel top is equipped with servo motor jointly, both sides mounting panel one side is equipped with the bearing housing jointly, the rotation type is equipped with rotatory hollow tube in the bearing housing, rotatory hollow tube one end is equipped with the belt pulley, the servo motor output shaft is equipped with the belt pulley equally, connect through flat belt between the upper and lower both sides belt pulley, be equipped with the integral key shaft in the downside belt pulley, the integral key shaft.
Further, the speed reduction drive assembly is including the long slab, the second drive shaft, first drive gear, big footpath gear, a supporting seat, first drive shaft, big footpath bevel gear, the path gear, path bevel gear and second drive gear, it is equipped with the long slab to support pulling frame upper portion, the rotation type is connected with the second drive shaft in the long slab, second drive shaft upper portion is equipped with first drive gear, second drive shaft top is equipped with big footpath gear, it is equipped with the supporting seat to support pulling frame top, the rotation type is connected with first drive shaft in the supporting seat, first drive shaft top is equipped with big footpath bevel gear, first drive shaft bottom is equipped with the path gear, path gear and big footpath gear intermeshing, downside belt pulley one side is equipped with path bevel gear, path bevel gear and big footpath bevel gear intermeshing, second drive shaft bottom is equipped with second.
Furthermore, the pasture and water vegetation drawing assembly comprises guide plates, drawing scrapers and sliding rack plates, the guide plates are arranged on the front side and the rear side of the support pulling frame, a pair of drawing scrapers are arranged in the guide plates on the front side and the rear side in an inward sliding mode, the sliding rack plates are arranged on the drawing scrapers, the sliding rack plates on the two sides are respectively meshed with the second driving gear, and the guide plates on the front side and the rear side are respectively provided with a support wheel.
Further, the mud excavates the subassembly including supporting frame plate, the transmission rack board, the sprocket, the chain, the roating seat, the frame is excavated to mud, top support plate and spline groove swivel mount, support pulling frame left and right sides two parts do not slidingtype and be equipped with a pair of transmission rack board, the transmission rack board outside all is equipped with the supporting frame plate, the transmission rack board meshes with first drive gear respectively, supporting frame plate lower part rotary type is equipped with the sprocket, supporting frame plate upper portion rotary type is equipped with spline groove swivel mount, be equipped with the sprocket on the spline groove swivel mount equally, spline groove swivel mount cup joints in the integral key shaft, connect through the chain between the upper and lower both sides sprocket, the distributed evenly is equipped with a plurality of roating seats on the chain, the roating seat is last the rotary type and is equipped with the mud and excavates.
Furthermore, the drawing scraper also comprises L-shaped pushing hooks, and a plurality of L-shaped pushing hooks are uniformly distributed on the outer side of the drawing scraper.
The invention has the following advantages: through the speed reduction drive assembly, when having satisfied that the mud excavates the frame with faster speed with mud excavation, realized multistage speed reduction transmission for pasture and water vegetation draws in subassembly and mud excavation subassembly and can be with slow speed in opposite directions motion, and the equipment of being convenient for can both fully collect the clearance with the mud in each region.
Draw in the subassembly through pasture and water vegetation, can draw in the pasture and water stem leaf that grows in, the clearance is collected with mud to the mud of the subassembly of digging of being convenient for, prevents simultaneously that the stem leaf of pasture and water from being destroyed by the mud subassembly of digging, has protected the growth of pasture and water effectively.
Through the supporting wheel, the worker can conveniently push the equipment to move in the river bottom.
Through intensive L type propelling movement hook, can draw in sparse pasture and water effectively, guaranteed that this equipment can fully draw in pasture and water effectively for can not damage the pasture and water when mud is excavated the subassembly and can be collected mud, protected the growth of pasture and water effectively and propagated.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a third perspective view of the present invention.
FIG. 4 is a schematic view of a first partial body structure according to the present invention.
Fig. 5 is an enlarged schematic view of the structure of the present invention a.
FIG. 6 is a schematic view of a second partial body structure according to the present invention.
Fig. 7 is a schematic perspective view of the sludge excavating assembly of the present invention.
The meaning of the reference symbols in the figures: 1: support pulling frame, 3: power drive assembly, 301: mounting plate, 302: servo motor, 303: bearing sleeve, 304: rotating the hollow tube, 305: pulley, 306: flat belt, 307: spline shaft, 4: deceleration drive assembly, 401: long plate, 402: second drive shaft, 403: first drive gear, 404: large diameter gear, 405: support seat, 406: first drive shaft, 407: large-diameter bevel gear, 408: small-diameter gear, 409: small-diameter bevel gear, 4010: second drive gear, 5: pasture and water vegetation draws in subassembly in 501: guide plate, 502: gathering scraper, 503: sliding rack plate, 6: sludge excavation component, 601: support frame plate, 602: drive rack plate, 603: sprocket, 604: chain, 605: a rotating seat, 606: sludge excavation frame, 607: top support plate, 608: spline groove rotary sleeve, 7: supporting wheel, 8: l-shaped push hooks.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
A sludge cleaning device capable of protecting river bottom vegetation from being damaged, which is shown in figures 1-7 and comprises a supporting and pulling frame (1), a power driving component (3), a speed reducing driving component (4), a waterweed vegetation gathering component (5), a sludge excavating component (6) and a supporting wheel (7), the power driving component (3) is arranged on one side of the top of the support pulling frame (1) in a welding mode, the speed reduction driving component (4) is fixedly arranged at the inner side of the support pulling frame (1), the speed reduction driving component (4) is connected with the power driving component (3) in a transmission way, the two sides of the lower part of the supporting and pulling frame (1) are respectively fixedly connected with the pasture and water vegetation furling component (5), the sludge excavating components (6) are respectively and fixedly connected with the two sides of the upper part of the supporting and pulling frame (1), the supporting wheels (7) are fixedly connected to the front side and the rear side of the pasture and water vegetation gathering component (5) respectively.
Power drive subassembly (3) is including mounting panel (301), servo motor (302), bearing housing (303), rotatory hollow tube (304), belt pulley (305), flat belt (306) and integral key shaft (307), it is connected with through the welded mode to support pull frame (1) top one side mounting panel (301), the quantity of mounting panel (301) is a pair of, should be right mounting panel (301) top rigid coupling has servo motor (302), should be close to servo motor (302) output shaft one side should have bearing housing (303) to mounting panel (301) on the rigid coupling, bearing housing (303) are equipped with through the bearing rotary type rotatory hollow tube (304), the rigid coupling has belt pulley (305) on rotatory hollow tube (304) that is close to servo motor (302) output shaft one side, the same rigid coupling has on the clothes motor output shaft belt pulley (305), the upper side belt pulley (305) and the lower side belt pulley (305) are connected through the flat belt (306), the lower side belt pulley (305) is provided with the spline shaft (307), and the spline shaft (307) penetrates through the bearing sleeve (303) and the rotating hollow pipe (304).
The speed reduction driving assembly (4) comprises a long plate (401), a second driving shaft (402), a first driving gear (403), a large-diameter gear (404), a supporting seat (405), a first driving shaft (406), a large-diameter bevel gear (407), a small-diameter gear (408), a small-diameter bevel gear (409) and a second driving gear (4010), the long plate (401) is fixedly connected to the inner side of the upper part of the supporting and pulling frame (1), the second driving shaft (402) is rotatably connected to the long plate (401) through a bearing, the first driving gear (403) is fixedly connected to the upper part of the second driving shaft (402), the large-diameter gear (404) is fixedly connected to one side of the second driving shaft (402) close to the servo motor (302), the supporting and pulling frame (1) far away from the servo motor (302) is fixedly connected to the supporting seat (405), and the first driving shaft (406) is rotatably connected to the supporting seat (405) through a bearing, the utility model provides a servo motor (302) is close to first drive shaft (406) one side rigid coupling of servo motor (302) has big footpath bevel gear (407), keep away from first drive shaft (406) one side rigid coupling of servo motor (302) has path gear (408), path gear (408) with big footpath gear (404) intermeshing, the downside belt pulley (305) rigid coupling that is close to supporting seat (405) has path bevel gear (409), path bevel gear (409) with big footpath bevel gear (407) intermeshing, keep away from second drive shaft (402) one side rigid coupling of servo motor (302) has second drive gear (4010).
Pasture and water vegetation draws in subassembly (5) including deflector (501), draws in scraper blade (502) and slip rack plate (503), support and draw frame (1) front and back the equal rigid coupling in both sides have deflector (501), both sides deflector (501) interior homonymy slidingtype is equipped with draw in scraper blade (502) around, it has to be close to another draw in scraper blade (502) one side rigid coupling that draws in of scraper blade (502) slide rack plate (503), slip rack plate (503) respectively with second drive gear (4010) intermeshing, on both sides deflector (501) respectively the rigid coupling has around support wheel (7).
The sludge excavating component (6) comprises a supporting frame plate (601), a transmission rack plate (602), a chain wheel (603), a chain (604), a rotating seat (605), a sludge excavating frame (606), a top supporting plate (607) and a spline groove rotating sleeve (608), wherein the upper parts of two sides of the supporting and pulling frame (1) are respectively sleeved with the transmission rack plate (602) in a sliding manner, the transmission rack plate (602) is respectively meshed with a first driving gear (403), one side of the transmission rack plate (602) far away from the other transmission rack plate (602) is fixedly connected with the supporting frame plate (601), the lower part of the supporting frame plate (601) is connected with the chain wheel (603) in a rotating manner through a bearing, the upper part of the supporting frame is connected with the spline groove rotating sleeve (608) in a rotating manner, and the chain wheel (603) is fixedly connected on the spline groove rotating sleeve (608), spline groove swivel housing (608) cup joint in integral key shaft (307), pass through between upper and lower both sides sprocket (603) chain (604) are connected, the distributed evenly is equipped with a plurality of seats (605) of rotating on chain (604), it is connected with through round pin axle rotary type on the seat (605) to rotate sludge excavating frame (606), it is equipped with to rotate seat (605) bottom top backup pad (607), top backup pad (607) with sludge excavating frame (606) bottom contact.
When dredging the river bottom, a worker stands on a ship, puts the equipment into the river bottom through lifting equipment, meanwhile, sludge collecting equipment is erected on both sides of the equipment, after the preparation work is finished, the worker starts the servo motor 302 to rotate anticlockwise, an output shaft of the servo motor 302 drives the upper belt pulley 305 to rotate anticlockwise, further drives the lower belt pulley 305 to rotate anticlockwise, so that the small-diameter bevel gear 409 and the spline shaft 307 rotate anticlockwise, the spline shaft 307 drives the upper chain wheel 603 to rotate anticlockwise through the spline groove rotating sleeve 608, further drives the chain 604 to rotate anticlockwise, the chain 604 drives the sludge excavating frame 606 to rotate anticlockwise through the rotating seat 605, the sludge excavating frame 606 is in an unfolded state or a laid-down state in the rotating process respectively, the sludge excavating frame 606 in the unfolded state excavates the sludge at the river bottom, the sludge excavating frame 606 in the laid-down state pours the excavated sludge into the sludge collecting equipment, and the sludge excavating frame 606 in the laid-down state can smoothly pass through the sludge collecting device, the small-diameter bevel gear 409 rotates anticlockwise to drive the large-diameter bevel gear 407 to rotate clockwise, and further drive the small-diameter gear 408 to rotate clockwise, so that the large-diameter gear 404 rotates anticlockwise, the second driving shaft 402 and parts thereon also rotate anticlockwise, the first driving gear 403 rotates anticlockwise to pull the two-side support frame plates 601 and devices thereon to move in opposite directions through the two-side transmission rack plates 602, the second driving gear 4010 rotates anticlockwise to pull the two-side gathering scraper plates 502 to move in opposite directions through the two-side sliding rack plates 503, aquatic weeds are collected and gathered by the two-side gathering scraper plates 502, then the sludge excavating frame 606 on the outer side takes away the sludge excavated in the original aquatic weed coverage area, after the sludge in the area is completely cleaned, a worker starts the servo motor 302 to rotate clockwise, and all parts of the device are returned through a series of transmission of, the worker then turns off the servo motor 302 and pulls the apparatus to the next sludge disposal area.
Example 2
On the basis of the embodiment 1, as shown in fig. 1, the folding device further comprises L-shaped pushing hooks (8), and a plurality of L-shaped pushing hooks (8) are uniformly distributed on one side of the folding scraper (502) far away from the other folding scraper (502).
Because the growth situation difference of pasture and water is great, to the comparatively sparse pasture and water of part growth situation, draw in scraper blade (502) and can not be fine draw in sparse pasture and water, through intensive L type promotion hook (8), can solve above-mentioned problem effectively, guaranteed that this equipment can draw in pasture and water fully effectively for mud is excavated subassembly (6) and can not damage the pasture and water when can collecting mud, has protected the growth of pasture and water effectively and has propagated.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. The utility model provides a can protect river bottom vegetation to avoid mud clean-up equipment of destruction, a serial communication port, including support pulling frame (1), power drive subassembly (3), speed reduction drive subassembly (4), pasture and water vegetation draws in subassembly (5), mud excavates subassembly (6) and supporting wheel (7), support pulling frame (1) top is equipped with power drive subassembly (3), power drive subassembly (3) are connected with speed reduction drive subassembly (4), speed reduction drive subassembly (4) are located support pulling frame (1) on, support pulling frame (1) lower part both sides are equipped with pasture and water vegetation respectively and draw in subassembly (5), support pulling frame (1) upper portion both sides are equipped with mud respectively and excavate subassembly (6), pasture and water vegetation draws in subassembly (5) front and back both sides and are equipped with supporting wheel (7) respectively.
2. The sludge cleaning equipment capable of protecting river bottom vegetation from being damaged according to claim 1, wherein the power driving assembly (3) comprises a mounting plate (301), a servo motor (302), a bearing sleeve (303), a rotating hollow tube (304), a belt pulley (305), a flat belt (306) and a spline shaft (307), a pair of mounting plates (301) is arranged at the top of the support pulling frame (1), the servo motor (302) is jointly arranged at the tops of the mounting plates (301) at two sides, the bearing sleeve (303) is jointly arranged at one side of the mounting plates (301) at two sides, the rotating hollow tube (304) is rotatably arranged in the bearing sleeve (303), the belt pulley (305) is arranged at one end of the rotating hollow tube (304), the belt pulley (305) is also arranged at an output shaft of the servo motor (302), the belt pulleys (305) at the upper side and the lower side are connected through the flat belt (306), and the, the spline shaft (307) passes through the bearing sleeve (303) and the rotating hollow pipe (304).
3. The sludge cleaning equipment capable of protecting river bottom vegetation from being damaged according to claim 2, wherein the speed reduction driving assembly (4) comprises a long plate (401), a second driving shaft (402), a first driving gear (403), a large-diameter gear (404), a supporting seat (405), a first driving shaft (406), a large-diameter bevel gear (407), a small-diameter gear (408), a small-diameter bevel gear (409) and a second driving gear (4010), the long plate (401) is arranged at the upper part of the supporting and pulling frame (1), the second driving shaft (402) is rotatably connected to the long plate (401), the first driving gear (403) is arranged at the upper part of the second driving shaft (402), the large-diameter gear (404) is arranged at the top end of the second driving shaft (402), the supporting and pulling frame (1) is provided with the supporting seat (405), the first driving shaft (406) is rotatably connected to the supporting seat (405), the top end of the first driving shaft (406) is provided with a large-diameter bevel gear (407), the bottom end of the first driving shaft (406) is provided with a small-diameter gear (408), the small-diameter gear (408) is meshed with the large-diameter gear (404), one side of the lower side belt pulley (305) is provided with a small-diameter bevel gear (409), the small-diameter bevel gear (409) is meshed with the large-diameter bevel gear (407), and the bottom end of the second driving shaft (402) is provided with a second driving gear (4010).
4. The sludge cleaning equipment capable of protecting river bottom vegetation from being damaged according to claim 3, wherein the pasture and water vegetation gathering assembly (5) comprises guide plates (501), gathering scraper plates (502) and sliding rack plates (503), the guide plates (501) are arranged on the front side and the rear side of the support pulling frame (1), a pair of gathering scraper plates (502) are arranged in the guide plates (501) on the front side and the rear side in an inward sliding mode, the sliding rack plates (503) are arranged on the gathering scraper plates (502), the sliding rack plates (503) on the two sides are respectively meshed with second driving gears (4010), and support wheels (7) are respectively arranged on the guide plates (501) on the front side and the rear side.
5. The sludge cleaning equipment capable of protecting river bottom vegetation from being damaged according to claim 4, wherein the sludge excavating component (6) comprises a support frame plate (601), transmission rack plates (602), chain wheels (603), a chain (604), a rotating seat (605), a sludge excavating frame (606), a top support plate (607) and a spline groove rotating sleeve (608), a pair of transmission rack plates (602) are respectively arranged on the left part and the right part of the support pulling frame (1) in a sliding manner, the support frame plate (601) is respectively arranged on the outer sides of the transmission rack plates (602), the transmission rack plates (602) are respectively meshed with a first driving gear (403), the chain wheels (603) are rotatably arranged on the lower part of the support frame plate (601), the spline groove rotating sleeve (608) is rotatably arranged on the upper part of the support frame plate (601), the chain wheels (603) are also arranged on the spline groove rotating sleeve (608), the spline groove rotating sleeve (608) is sleeved on a spline shaft (307), the upper and lower side chain wheels (603) are connected through chains (604), the chains (604) are uniformly distributed on the chains (605), the rotating seats (605) are rotatably provided with sludge excavating frames (606), the bottoms of the rotating seats (605) are provided with top supporting plates (607), and the top supporting plates (607) are in contact with the sludge excavating frames (606).
6. The sludge cleaning equipment capable of protecting river bottom vegetation from being damaged according to claim 5, further comprising L-shaped pushing hooks (8), wherein a plurality of L-shaped pushing hooks (8) are uniformly distributed on the outer side of the gathering scraper (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135721.5A CN112323897B (en) | 2020-10-22 | 2020-10-22 | Sludge cleaning equipment capable of protecting river bottom vegetation from being damaged |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011135721.5A CN112323897B (en) | 2020-10-22 | 2020-10-22 | Sludge cleaning equipment capable of protecting river bottom vegetation from being damaged |
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| CN112323897A true CN112323897A (en) | 2021-02-05 |
| CN112323897B CN112323897B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| US20130340298A1 (en) * | 2012-06-20 | 2013-12-26 | Richard John Phillips | Dredging Head Apparatus |
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| CN107021188A (en) * | 2017-02-27 | 2017-08-08 | 韩春栋 | Multifunctional river channel administers hull robot |
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| CN110439054A (en) * | 2019-08-30 | 2019-11-12 | 湖北省水利水电规划勘测设计院 | A kind of dystrophication bed mud ecological dredging ship |
| CN209703590U (en) * | 2019-01-14 | 2019-11-29 | 李健 | A kind of Accrete clearing device for water head site environmental protection |
| CN111108898A (en) * | 2019-12-18 | 2020-05-08 | 李晶 | Pasture and water clean-up equipment for hydraulic engineering |
| CN210726199U (en) * | 2019-08-30 | 2020-06-12 | 湖北省水利水电规划勘测设计院 | River bottom vegetation protection device |
| CN111749220A (en) * | 2020-07-12 | 2020-10-09 | 李长喜 | River and lake ecological environment treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1463876A1 (en) * | 1987-06-26 | 1989-03-07 | Среднеазиатский Научно-Исследовательский Институт Ирригации Им.В.Д.Журина | Arrangement for cleaning slopes of canals and collectors |
| RU95100974A (en) * | 1995-01-13 | 1996-10-27 | Приморский сельскохозяйственный институт | Ditch cleaner working member |
| DE102004055981A1 (en) * | 2004-11-19 | 2006-05-24 | Fujiwara Sangyo K.K. | Sludge-scraping and -collecting system, especially for a sewage plant, comprises a reversible slide running on a rail on the bottom of the processing tank and fitted with scraper arms which are raised when the slide returns |
| US8994519B1 (en) * | 2010-07-10 | 2015-03-31 | William Fuchs | Method of controlling a vegetation removal system |
| US20130340298A1 (en) * | 2012-06-20 | 2013-12-26 | Richard John Phillips | Dredging Head Apparatus |
| CN107021188A (en) * | 2017-02-27 | 2017-08-08 | 韩春栋 | Multifunctional river channel administers hull robot |
| CN209703590U (en) * | 2019-01-14 | 2019-11-29 | 李健 | A kind of Accrete clearing device for water head site environmental protection |
| CN109819753A (en) * | 2019-02-13 | 2019-05-31 | 王振 | A kind of intelligence combine harvester |
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| CN111749220A (en) * | 2020-07-12 | 2020-10-09 | 李长喜 | River and lake ecological environment treatment method |
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|---|---|
| CN112323897B (en) | 2022-09-02 |
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