CN112112206B - Energy-saving hydraulic engineering desilting device - Google Patents
Energy-saving hydraulic engineering desilting device Download PDFInfo
- Publication number
- CN112112206B CN112112206B CN202011027964.7A CN202011027964A CN112112206B CN 112112206 B CN112112206 B CN 112112206B CN 202011027964 A CN202011027964 A CN 202011027964A CN 112112206 B CN112112206 B CN 112112206B
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- rod
- movably connected
- fixedly connected
- threaded
- connecting rod
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
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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
-
- 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
- E02F5/285—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with drag buckets or scraper plates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to the technical field of hydraulic engineering and discloses an energy-saving hydraulic engineering dredging device which comprises a power paddle, the bottom of the power paddle is fixedly connected with a threaded rod, the surface of the threaded rod is movably connected with a belt, the other end of the belt is movably connected with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a screw rod, the surface of the screw rod is movably connected with a mud digging channel, the bottom of the dredging channel is provided with a sludge inlet, the top of the dredging channel is fixedly connected with a sludge storage bin, the surface of the threaded rod is movably connected with a threaded plate, the bottom surface of the threaded plate is fixedly connected with a piston rod, the bottom of the piston rod is fixedly connected with a piston plate, the surface of the piston plate is movably connected with a sterilizing liquid bin, the power paddle is driven to rotate through water flow, the screw rod is driven to rotate, the sludge is coiled into the sludge storage bin, and when the sludge enters the sludge storage bin, the piston plate extrudes the sterilization agent to enter the sludge storage bin to be uniformly mixed with the sludge.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to an energy-saving hydraulic engineering dredging device.
Background
River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. The silt deposited at the river bottom is blown and stirred into a turbid water shape by mechanical equipment and flows away along with river water, so that the dredging function is achieved, and the silt accumulated in the river channel can influence the normal play of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, so that the silt removal in time has important significance for the living environment and the production condition of people.
The common river channel dredging needs large-scale machinery or equipment such as a pontoon, an excavator, a loading vehicle, a filter press and the like, a large amount of energy is consumed in the process, various waste gases are generated to pollute the environment, the river channel is dredged but pollutes air, after the sludge in the river channel is cleaned out, a special field is needed to be arranged for accumulation, the accumulated sludge can be fermented to generate unpleasant smell, and the mixing effect of spraying the sterilizing liquid medicine is not good, so that the energy-saving water conservancy project dredging device is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an energy-saving hydraulic engineering dredging device, which has the advantages of energy conservation and environmental protection in the dredging process and uniform mixing of spraying and sterilizing agents in the dredging process, and solves the problems of high energy consumption and unpleasant fermentation taste of non-sterilized sludge of large-scale dredging equipment.
(II) technical scheme
In order to realize the purposes of energy conservation and environmental protection in the dredging process and uniformly mixing the spraying sterilization agent during dredging, the invention provides the following technical scheme: an energy-saving hydraulic engineering dredging device comprises a power paddle, wherein the surface of the power paddle is movably connected with a protective shell, the bottom of the power paddle is fixedly connected with a threaded rod, the bottom of the threaded rod is fixedly connected with a first bevel gear, the first bevel gear is meshed with a second bevel gear, the side surface of the second bevel gear is fixedly connected with a rotary disk, the surface of the rotary disk is eccentrically and movably connected with a first connecting rod, the surface of the first connecting rod is movably connected with a limiting rod, the other end of the first connecting rod is movably connected with a second connecting rod, the surface of the second connecting rod is movably connected with a buffer spring, the other end of the second connecting rod is fixedly connected with a mud bucket, the surface of the second connecting rod is movably connected with a limiting block, the bottom surface of the limiting block is fixedly connected with a sliding rail, the two ends of, the utility model discloses a sterilization liquid storehouse, including belt, pivot, hob surface, screwed rod, mud inlet, sludge storage bin, screwed rod surface, screwed plate bottom surface, piston rod bottom fixedly connected with piston plate, piston plate surface swing joint has the liquid storehouse of disinfecting, the check valve has been seted up to liquid storehouse inner wall bottom of disinfecting.
Buffer spring one end fixed connection is on the surface of second connecting rod, buffer spring's other end fixed connection is at the top of stopper, the through-hole has been seted up at the stopper top, second connecting rod swing joint is in the through-hole of stopper.
One end of the limiting rod is connected to the middle of the surface of the first connecting rod, and the other end of the limiting rod is movably connected to the bottom of the sliding rail.
Preferably, the surface of the threaded plate is provided with a through hole, a thread is arranged in the through hole of the threaded plate, and the threaded rod is meshed in the through hole of the threaded plate.
Preferably, a belt pulley is arranged on the surface of the threaded rod, the belt pulley of the threaded rod is positioned on the upper side of the first bevel gear, the rotary disc is movably connected in the belt pulley of the threaded rod, and the threaded plate is higher than the rotary disc.
Preferably, the dredging channel is an inclined cylinder, the screw rod is coupled with the inner wall of the dredging channel, the sludge storage bin is in a shape of a top concave opening, and the top of the dredging channel is provided with a through hole which is connected with the top of the sludge storage bin.
Preferably, a through hole is formed in the top of the sterilization liquid bin, the piston rod is movably connected in the through hole in the top of the sterilization liquid bin, the piston plate is coupled with the inner wall of the sterilization liquid bin, and the one-way valve is a one-way outlet from top to bottom.
(III) advantageous effects
Compared with the prior art, the invention provides an energy-saving hydraulic engineering dredging device, which has the following beneficial effects:
1. this energy-saving hydraulic engineering desilting device drives the power oar through rivers and rotates for the threaded rod rotates, and the threaded rod drives pivot and hob through the belt again and rotates, because the hob produces when rotating and revolves to ascending power, in the silt of silt entrance was rolled into the dredging channel, the top entering of rethread dredging channel stored up the mud storehouse, does not need external power source, has reached energy-concerving and environment-protective purpose.
When the threaded rod drives pivot and hob pivoted, drive the carousel and rotate, because first connecting rod eccentric connection is on the surface of carousel, the limiting displacement of rethread gag lever post and slide rail, reciprocating motion is done on the inclined plane at slide rail place to second connecting rod and dredge bucket, transports silt entrance with silt from a distance, and when dredge bucket kept away from the silt entry, wash the silt on dredge bucket surface under the rivers effect, reach the effect that prevents dredge bucket jam.
2. This energy-saving hydraulic engineering desilting device, when silt passes through the dredging channel and gets into the storage mud storehouse, because the engaging action of threading board and threaded rod, when the threaded rod rotated, the threading board was along the vertical downstream of threaded rod, through the inside medicament that disinfects of piston rod and piston plate extrusion liquid storehouse of disinfecting, the inside medicament that disinfects in the liquid storehouse of disinfecting gets into the mud storehouse through the check valve again and stores up the silt misce bene in mud storehouse and the entering storage mud storehouse, has reached the effect of the mixed medicament that disinfects of desilting simultaneously.
Drawings
FIG. 1 is a schematic view of a protective case according to the present invention;
FIG. 2 is a right side view of the threaded rod of the present invention;
FIG. 3 is a schematic view of a slide rail structure according to the present invention;
FIG. 4 is a schematic view of a propeller arrangement according to the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the invention at B of FIG. 1.
In the figure: 1. a power paddle; 2. a protective shell; 3. a threaded rod; 4. a first bevel gear; 5. a second bevel gear; 6. a turntable; 7. a first link; 8. a limiting rod; 9. a second link; 10. a buffer spring; 11. a dredging bucket; 12. a limiting block; 13. a slider; 14. a slide rail; 15. a fixed mount; 16. a belt; 17. a rotating shaft; 18. a screw rod; 19. dredging a channel; 20. a sludge inlet; 21. a sludge storage bin; 22. a thread plate; 23. a piston rod; 24. a piston plate; 25. a sterilizing liquid bin; 26. a one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1-6, an energy-saving hydraulic engineering dredging device comprises a power paddle 1, the surface of the power paddle 1 is movably connected with a protective shell 2, the bottom of the power paddle 1 is fixedly connected with a threaded rod 3, the bottom of the threaded rod 3 is fixedly connected with a first bevel gear 4, the surface of the threaded rod 3 is provided with a belt pulley, the belt pulley of the threaded rod 3 is positioned at the upper side of the first bevel gear 4, the rotary disc 6 is movably connected in the belt pulley of the threaded rod 3, the thread plate 22 is positioned higher than the rotary table 6, the first bevel gear 4 is engaged with the second bevel gear 5, the side surface of the second bevel gear 5 is fixedly connected with a turntable 6, the surface of the turntable 6 is eccentrically and movably connected with a first connecting rod 7, the surface of the first connecting rod 7 is movably connected with a limiting rod 8, one end of the limiting rod 8 is connected to the middle of the surface of the first connecting rod 7, and the other end of the limiting rod 8 is movably connected to the bottom of the sliding rail 14.
The other end of the first connecting rod 7 is movably connected with a second connecting rod 9, the surface of the second connecting rod 9 is movably connected with a buffer spring 10, the other end of the second connecting rod 9 is fixedly connected with a dredge bucket 11, the surface of the second connecting rod 9 is movably connected with a limiting block 12, one end of the buffer spring 10 is fixedly connected with the surface of the second connecting rod 9, the other end of the buffer spring 10 is fixedly connected with the top of the limiting block 12, the top of the limiting block 12 is provided with a through hole, the second connecting rod 9 is movably connected in the through hole of the limiting block 12, the bottom surface of the limiting block 12 is fixedly connected with a sliding block 13, the surface of the sliding block 13 is movably connected with a sliding rail 14, a fixed mount 15 is fixedly connected with two ends of the slide rail 14, a belt 16 is movably connected with the surface of the threaded rod 3, the other end of the belt 16 is movably connected with a rotating shaft 17, and the bottom of the rotating shaft 17 is fixedly connected with a screw rod 18.
Drive power oar 1 through rivers and rotate for threaded rod 3 rotates, and threaded rod 3 rethread belt 16 drives pivot 17 and hob 18 and rotates, because hob 18 produces when rotating and revolves to ascending power, in the silt of silt entry 20 department was rolled into dredged passageway 19, rethread dredged passageway 19's top entering storage mud storehouse 21.
When the threaded rod 3 drives the rotating shaft 17 and the spiral rod 18 to rotate, the rotating disc 6 is driven to rotate, because the first connecting rod 7 is eccentrically connected to the surface of the rotating disc 6, the second connecting rod 9 and the excavating bucket 11 do reciprocating motion on the inclined plane where the sliding rail 14 is located through the limiting action of the limiting rod 8 and the sliding rail 14, sludge is conveyed to the sludge inlet 20 from a distance, and when the excavating bucket 11 is far away from the sludge inlet 20, the sludge on the surface of the excavating bucket 11 is washed under the action of water flow.
When silt enters the silt storage bin 21 through the dredging channel 19, because the threaded plate 22 and the threaded rod 3 are engaged, when the threaded rod 3 rotates, the threaded plate 22 moves downwards along the vertical direction of the threaded rod 3, the sterilization liquid bin 25 is extruded by the piston rod 23 and the piston plate 24, and the sterilization liquid bin 25 is filled with the silt uniformly mixed in the silt storage bin 21 and the silt entering the silt storage bin 21 through the check valve 26.
The surface of the screw rod 18 is movably connected with a dredging channel 19, the dredging channel 19 is in an inclined cylindrical shape, the screw rod 18 is coupled with the inner wall of the dredging channel 19, the mud storage bin 21 is in a shape of a concave opening at the top, the top of the dredging channel 19 is provided with a through hole which is connected with the top of the mud storage bin 21, the bottom of the dredging channel 19 is provided with a mud inlet 20, the top of the dredging channel 19 is fixedly connected with the mud storage bin 21, the surface of the threaded rod 3 is movably connected with a threaded plate 22, the surface of the threaded plate 22 is provided with a through hole, the through hole of the threaded plate 22 is internally provided with threads, the threaded rod 3 is meshed in the through hole of the threaded plate 22, the bottom of the threaded plate 22 is fixedly connected with a piston rod 23, the bottom of the piston rod 23 is fixedly connected with a piston plate 24, the surface of the piston plate, piston rod 23 swing joint is in the through-hole of liquid storehouse 25 top of disinfecting, piston plate 24 and the coupling of liquid storehouse 25 inner wall of disinfecting, check valve 26 is from the top down one-way export, liquid storehouse 25 inner wall bottom of disinfecting is seted up check valve 26.
The working principle is as follows: drive power oar 1 through rivers and rotate for threaded rod 3 rotates, and threaded rod 3 rethread belt 16 drives pivot 17 and hob 18 and rotates, because hob 18 produces when rotating and revolves to ascending power, in the silt of silt entry 20 department was rolled into dredged passageway 19, rethread dredged passageway 19's top entering storage mud storehouse 21.
When the threaded rod 3 drives the rotating shaft 17 and the spiral rod 18 to rotate, the rotating disc 6 is driven to rotate, because the first connecting rod 7 is eccentrically connected to the surface of the rotating disc 6, the second connecting rod 9 and the excavating bucket 11 do reciprocating motion on the inclined plane where the sliding rail 14 is located through the limiting action of the limiting rod 8 and the sliding rail 14, sludge is conveyed to the sludge inlet 20 from a distance, and when the excavating bucket 11 is far away from the sludge inlet 20, the sludge on the surface of the excavating bucket 11 is washed under the action of water flow.
When silt enters the silt storage bin 21 through the dredging channel 19, because the threaded plate 22 and the threaded rod 3 are engaged, when the threaded rod 3 rotates, the threaded plate 22 moves downwards along the vertical direction of the threaded rod 3, the sterilization liquid bin 25 is extruded by the piston rod 23 and the piston plate 24, and the sterilization liquid bin 25 is filled with the silt uniformly mixed in the silt storage bin 21 and the silt entering the silt storage bin 21 through the check valve 26.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an energy-saving hydraulic engineering desilting device, includes power oar (1), its characterized in that: the surface of the power paddle (1) is movably connected with a protective shell (2), the bottom of the power paddle (1) is fixedly connected with a threaded rod (3), the bottom of the threaded rod (3) is fixedly connected with a first bevel gear (4), the first bevel gear (4) is meshed with a second bevel gear (5), the side surface of the second bevel gear (5) is fixedly connected with a turntable (6), the surface of the turntable (6) is eccentrically and movably connected with a first connecting rod (7), the surface of the first connecting rod (7) is movably connected with a limiting rod (8), the other end of the first connecting rod (7) is movably connected with a second connecting rod (9), the surface of the second connecting rod (9) is movably connected with a buffer spring (10), the other end of the second connecting rod (9) is fixedly connected with a mud digging bucket (11), the surface of the second connecting rod (9) is movably connected with a limiting block (12), and, the surface of the sliding block (13) is movably connected with a sliding rail (14), two ends of the sliding rail (14) are fixedly connected with a fixing frame (15), the surface of the threaded rod (3) is movably connected with a belt (16), the other end of the belt (16) is movably connected with a rotating shaft (17), the bottom of the rotating shaft (17) is fixedly connected with a screw rod (18), the surface of the screw rod (18) is movably connected with a dredging channel (19), the bottom of the dredging channel (19) is provided with a sludge inlet (20), the top of the dredging channel (19) is fixedly connected with a sludge storage bin (21), the surface of the threaded rod (3) is movably connected with a threaded plate (22), the bottom of the threaded plate (22) is fixedly connected with a piston rod (23), the bottom of the piston rod (23) is fixedly connected with a piston plate (24), the surface of, the bottom of the inner wall of the sterilizing liquid bin (25) is provided with a one-way valve (26);
one end of the buffer spring (10) is fixedly connected to the surface of the second connecting rod (9), the other end of the buffer spring (10) is fixedly connected to the top of the limiting block (12), a through hole is formed in the top of the limiting block (12), and the second connecting rod (9) is movably connected into the through hole of the limiting block (12);
one end of the limiting rod (8) is connected to the middle of the surface of the first connecting rod (7), and the other end of the limiting rod (8) is movably connected to the bottom of the sliding rail (14).
2. The energy-saving hydraulic engineering dredging device according to claim 1, wherein: the surface of the threaded plate (22) is provided with a through hole, threads are arranged in the through hole of the threaded plate (22), and the threaded rod (3) is meshed in the through hole of the threaded plate (22).
3. The energy-saving hydraulic engineering dredging device according to claim 1, wherein: the surface of the threaded rod (3) is provided with a belt pulley, the belt pulley of the threaded rod (3) is positioned on the upper side of the first bevel gear (4), the rotary disc (6) is movably connected in the belt pulley of the threaded rod (3), and the position of the threaded plate (22) is higher than that of the rotary disc (6).
4. The energy-saving hydraulic engineering dredging device according to claim 1, wherein: the mud dredging channel (19) is an inclined cylinder, the screw rod (18) is coupled with the inner wall of the mud dredging channel (19), the mud storage bin (21) is in a shape of a top concave opening, and the top of the mud dredging channel (19) is provided with a through hole which is connected with the top of the mud storage bin (21).
5. The energy-saving hydraulic engineering dredging device according to claim 1, wherein: the sterilizing liquid bin (25) is characterized in that a through hole is formed in the top of the sterilizing liquid bin (25), the piston rod (23) is movably connected into the through hole in the top of the sterilizing liquid bin (25), the piston plate (24) is coupled with the inner wall of the sterilizing liquid bin (25), and the one-way valve (26) is a one-way outlet from top to bottom.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027964.7A CN112112206B (en) | 2020-09-26 | 2020-09-26 | Energy-saving hydraulic engineering desilting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027964.7A CN112112206B (en) | 2020-09-26 | 2020-09-26 | Energy-saving hydraulic engineering desilting device |
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| CN112112206A CN112112206A (en) | 2020-12-22 |
| CN112112206B true CN112112206B (en) | 2021-05-11 |
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| CN202011027964.7A Active CN112112206B (en) | 2020-09-26 | 2020-09-26 | Energy-saving hydraulic engineering desilting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112932337B (en) * | 2021-02-05 | 2022-03-22 | 广东维尔科技股份有限公司 | Intelligent device for preventing dust from splashing during ash removal for sweeping robot |
| CN113045149B (en) * | 2021-03-16 | 2022-08-02 | 重庆文理学院 | Fishpond sludge treatment and improvement device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57172042A (en) * | 1981-04-16 | 1982-10-22 | Taiho Kensetsu Kk | Soil excavator |
| SU1286788A1 (en) * | 1984-12-03 | 1987-01-30 | Днепропетровский инженерно-строительный институт | Scraper bucket |
| CN107989084B (en) * | 2017-11-28 | 2020-08-04 | 衡阳市科德工程机械制造有限公司 | Excavator and multifunctional excavator bucket of vibrating screen thereof |
| CN210737656U (en) * | 2019-10-08 | 2020-06-12 | 赵海斌 | Dredging device for hydraulic engineering |
| CN211285760U (en) * | 2019-11-27 | 2020-08-18 | 杨大鹏 | A silt clear away equipment for hydraulic engineering |
| CN111424751A (en) * | 2020-04-29 | 2020-07-17 | 王燕 | Hydraulic engineering rapid dredging device and implementation method thereof |
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