CN106193163A - A kind of efficiently cutter suction dredger - Google Patents
A kind of efficiently cutter suction dredger Download PDFInfo
- Publication number
- CN106193163A CN106193163A CN201610784310.6A CN201610784310A CN106193163A CN 106193163 A CN106193163 A CN 106193163A CN 201610784310 A CN201610784310 A CN 201610784310A CN 106193163 A CN106193163 A CN 106193163A
- Authority
- CN
- China
- Prior art keywords
- motor
- connects
- connecting rod
- gear
- belt pulley
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
-
- 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
Abstract
The present invention relates to a kind of dredger, particularly relate to a kind of efficiently cutter suction dredger.The technical problem to be solved in the present invention is to provide that a kind of dredging efficiency is high, simple to operate and the efficient cutter suction dredger of simple in construction.In order to solve above-mentioned technical problem, the invention provides the efficient cutter suction dredger of such a, include left socle, the first support plate, the second support plate, the first motor, reamer, first connecting rod, slide block, right support, slide rail, the first gear, small belt pulley, the second motor, flat belt, collecting box, dredge pump, the first flexible pipe and guide ring；The top of dredger is sequentially provided with left socle, collecting box and right support from left to right.Invention achieves that dredging efficiency is high, simple to operate and the effect of simple in construction, and the cost of this dredger be relatively low, practical, can be used for digging deep, widen and clear up navigation channel etc..
Description
Technical field
The present invention relates to a kind of dredger, particularly relate to a kind of efficiently cutter suction dredger.
Background technology
Dredger is responsible for digging clearly water channel and rivers and creeks mud, in order to other boats and ships pass through.Cutter suction dredger be
Dredging in the engineering of beach and use wide a kind of boats and ships, it is to utilize suction hose front end to rotate reamer device around suction hose installing,
River sediment is cut and stirs, then the silt material that will hoist through dredging tube, by powerful pumping forces, it is transported to silt
Solid accumulation field, it dredge, transports the work process such as mud, dump, can complete with one-time continuous, and it is that a kind of efficiency is high, cost
Relatively low dredger, is good submerged digging machinery.
Existing cutter suction dredger exists that dredging efficiency is low, complex operation and baroque shortcoming, therefore needs badly and grinds
High, the simple to operate and efficient cutter suction dredger of simple in construction of sending out dredging efficiency a kind of.
Summary of the invention
(1) to solve the technical problem that
The present invention in order to overcome that existing cutter suction dredger dredging efficiency is low, complex operation and baroque shortcoming,
The technical problem to be solved in the present invention is to provide high, simple to operate and simple in construction the efficiently strand suction of a kind of dredging efficiency and dredges
Ship.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides the efficient cutter suction dredger of such a, include left
Frame, the first support plate, the second support plate, the first motor, reamer, first connecting rod, slide block, right support, slide rail, the first gear, belt lace
Wheel, the second motor, flat belt, collecting box, dredge pump, the first flexible pipe, guide ring, take out mud cover, the second gear, big belt pulley,
One connecting rod, the second connecting rod, disk, second connecting rod, the 3rd motor, rotating vane, the second flexible pipe and dredger；Dredger
Top is sequentially provided with left socle, collecting box and right support from left to right, and the right, top in right support connects the second motor, the
The dead ahead of two motors connects the first gear, and the front side of the first gear connects small belt pulley, and the right wall in right support connects
It is connected to the second gear and big belt pulley, and the second gear is positioned at the top of big belt pulley, the second gear and the engagement of the first gear, the
The front side of two gears is hingedly connected with head rod, and the bottom of head rod is hingedly connected with the second connecting rod, big belt
Being wound with flat belt between wheel and small belt pulley, the dead ahead of big belt pulley connects disk, and disk connects second connecting rod, the
The bottom of two connecting rods connects the 3rd motor, and the bottom of the 3rd motor connects has rotating vane, rotating vane to be positioned at collecting box,
Bottom left in collecting box is provided with dredge pump, and the left side of dredge pump connects the first flexible pipe, and the first flexible pipe is through collecting box
Left wall, the bottom of the first flexible pipe connects takes out mud cover, and the right side of dredge pump connects the second flexible pipe, and the right side of left socle is provided with cunning
Rail and the first support plate, and slide rail is positioned at the top of the first support plate, slide rail is provided with slide block, the right side of slide block and the second connecting rod
Left end is connected, and the front, left side of slide block connects has first connecting rod, first connecting rod and the first support plate to be articulated and connected, first connecting rod
Lower right-hand side connects the first support plate, and the right-hand member of the first support plate connects guide ring, and the first flexible pipe passes guide ring, first connecting rod
Bottom connect and have the first motor, the bottom of the first motor connects reamer.
Preferably, also including cylinder, the bottom of first connecting rod connects cylinder, and the bottom of cylinder is with the first motor even
Connect.
Preferably, also including filter screen, the bottom taking out mud cover is provided with filter screen.
Preferably, rotating vane has aperture.
Preferably, the material of left socle and right support is Q235 steel.
Preferably, the first motor, the second motor and the 3rd motor are servomotor.
Preferably, right support is L-shaped.
Operation principle: originally, first connecting rod is positioned at the front of dredger.When needs are dredged, workman starts second
Motor the most clockwise and reversion, second driven by motor the first gear and small belt pulley is the most clockwise and reversion, the first gear
Driving the second gear constantly to invert with clockwise, the second gear driven head rod swings, and head rod drives the
Two connecting rods move left and right, and the second connecting rod band movable slider moves left and right, and slide block drives first connecting rod and first connecting rod with bottom
Dividing and swing, start the first electric machine rotation simultaneously, the first driven by motor reamer rotates, and the soil layer of river bed is dug by reamer
Disconnected, the earth of river bed spreads out, and starts dredge pump work simultaneously, dredge pump by the earth of river bed by taking out mud cover, first soft
Pipe and the second flexible pipe are drawn in collecting box, and small belt pulley drives big belt pulley the most clockwise and reversion by flat belt, greatly
Belt pulley drives disk the most clockwise and reversion, and disk drives second connecting rod and second connecting rod to swing with lower part, with
Shi Qidong the 3rd electric machine rotation, the 3rd driven by motor rotating vane rotates, and the earth sucked is sufficiently stirred for by rotating vane,
Prevent earth solidification from being blocked by the second flexible pipe.After having extracted a certain amount of earth, dredge pump and the first motor all quit work；
After slide block resets, the second motor quits work；After rotating vane resets, the 3rd motor quits work.
Because also including cylinder, the bottom of first connecting rod connects cylinder, and the bottom of cylinder is connected with the first motor, institute
With when reamer needs to regulate downwards, starting cylinder elongation, cylinder drives the first motor and reamer to move down, when reamer and river
During end contact, cylinder stops elongation, and after being drawn into appropriate earth, the first motor quits work；After slide block resets, the second electricity
Machine quits work；Then start cylinders retract, drive reamer to reset.
Because also including filter screen, the bottom taking out mud cover is provided with filter screen, it is possible to prevent weeds etc. from sucking the first flexible pipe
And dredge pump, prevent from blocking the first flexible pipe or dredge pump.
Because having aperture on rotating vane, so rotating vane is more light and handy, rotate more freely.
Because the material of left socle and right support is Q235 steel, so left socle and right support are difficult to get rusty, use the longevity
Life is long.
Because the first motor, the second motor and the 3rd motor are servomotor, it is possible to regulate rotating speed accurately, make
Run more steady.
(3) beneficial effect
Invention achieves that dredging efficiency is high, simple to operate and the effect of simple in construction, and the cost of this dredger is relatively low,
Practical, can be used for digging deeply, widen and clear up navigation channel etc..
Accompanying drawing explanation
Fig. 1 is the first main TV structure schematic diagram of the present invention.
Fig. 2 is the main TV structure schematic diagram of the second of the present invention.
Fig. 3 is the third main TV structure schematic diagram of the present invention.
Fig. 4 is the main TV structure schematic diagram of the present invention the 4th kind.
Being labeled as in accompanying drawing: 1-left socle, 2-the first support plate, 3-the second support plate, 4-the first motor, 5-reamer, 6-
One connecting rod, 7-slide block, 8-right support, 9-slide rail, 10-the first gear, 11-small belt pulley, 12-the second motor, 13-flat belt,
14-collecting box, 15-dredge pump, 16-the first flexible pipe, 17-guide ring, 18-takes out mud cover, 19-the second gear, 20-big belt pulley,
21-head rod, 22-the second connecting rod, 23-disk, 24-second connecting rod, 25-the 3rd motor, 26-rotating vane, 27-
Two flexible pipes, 28-dredger, 29-cylinder, 30-filter screen, 31-aperture.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of efficiently cutter suction dredger, as Figure 1-4, include left socle the 1, first support plate the 2, second support plate 3, the
One motor 4, reamer 5, first connecting rod 6, slide block 7, right support 8, slide rail the 9, first gear 10, small belt pulley the 11, second motor 12,
Flat belt 13, collecting box 14, dredge pump the 15, first flexible pipe 16, guide ring 17, take out mud cover the 18, second gear 19, big belt pulley
20, head rod the 21, second connecting rod 22, disk 23, second connecting rod the 24, the 3rd motor 25, rotating vane the 26, second flexible pipe
27 and dredger 28；The top of dredger 28 is sequentially provided with left socle 1, collecting box 14 and right support 8, right support 8 from left to right
Interior right, top connects the second motor 12, and the dead ahead of the second motor 12 connects the first gear 10, the first gear 10
Front side connects small belt pulley 11, and the right wall in right support 8 connects the second gear 19 and big belt pulley 20, and the second gear
19 tops being positioned at big belt pulley 20, the second gear 19 engages with the first gear 10, and the front side of the second gear 19 is hingedly connected with
Head rod 21, the bottom of head rod 21 is hingedly connected with the second connecting rod 22, big belt pulley 20 and small belt pulley 11
Between be wound with flat belt 13, the dead ahead of big belt pulley 20 connects disk 23, and disk 23 connects second connecting rod 24, second
The bottom of connecting rod 24 connects the 3rd motor 25, and the bottom of the 3rd motor 25 connects has rotating vane 26, rotating vane 26 to be positioned at
In collecting box 14, the bottom left in collecting box 14 is provided with dredge pump 15, and the left side of dredge pump 15 connects the first flexible pipe 16, the
One flexible pipe 16 is through the left wall of collecting box 14, and the bottom of the first flexible pipe 16 connects takes out mud cover 18, and the right side of dredge pump 15 connects
Having the second flexible pipe 27, the right side of left socle 1 is provided with slide rail 9 and the first support plate 2, and slide rail 9 is positioned at the top of the first support plate 2, sliding
Rail 9 is provided with slide block 7, and the right side of slide block 7 is connected with the left end of the second connecting rod 22, and the front, left side of slide block 7 connects the
One connecting rod 6, first connecting rod 6 is articulated and connected with the first support plate 2, and the lower right-hand side of first connecting rod 6 connects the first support plate 2, and first
The right-hand member of support plate 2 connects guide ring 17, and the first flexible pipe 16 is through guide ring 17, and the bottom of first connecting rod 6 connects the first electricity
Machine 4, the bottom of the first motor 4 connects reamer 5.
Also including cylinder 29, the bottom of first connecting rod 6 connects cylinder 29, and the bottom of cylinder 29 is with the first motor 4 even
Connect.
Also including filter screen 30, the bottom taking out mud cover 18 is provided with filter screen 30.
Aperture 31 is had on rotating vane 26.
The material of left socle 1 and right support 8 is Q235 steel.
First motor the 4, second motor 12 and the 3rd motor 25 are servomotor.
Right support 8 is L-shaped.
Operation principle: originally, first connecting rod 6 is positioned at the front of dredger 28.When needs are dredged, workman starts
Two motors 12 are the most clockwise and invert, and the second motor 12 drives the first gear 10 and small belt pulley 11 the most clockwise and anti-
Turning, the first gear 10 drives the second gear 19 constantly to invert and clockwise, and the second gear 19 drives head rod about 21 to put
Dynamic, head rod 21 drives the second connecting rod 22 to move left and right, and the second connecting rod 22 band movable slider 7 moves left and right, and slide block 7 carries
Dynamic first connecting rod 6 and first connecting rod 6 swing with lower part, start the first motor 4 simultaneously and rotate, and the first motor 4 drives hinge
Cutter 5 rotates, and the soil layer of river bed is dug disconnected by reamer 5, and the earth of river bed spreads out, and starts dredge pump 15 simultaneously and works, inhales
The earth of river bed is drawn in collecting box 14 by dredge pump 15 by taking out mud cover the 18, first flexible pipe 16 and the second flexible pipe 27, belt lace
Wheel 11 drives big belt pulley 20 the most clockwise by flat belt 13 and reversion, and big belt pulley 20 drives disk 23 the most clockwise
And reversion, disk 23 drives second connecting rod 24 and second connecting rod 24 to swing with lower part, starts 25 turns of the 3rd motor simultaneously
Dynamic, the 3rd motor 25 is rotated blade 26 and rotates, and the earth sucked is sufficiently stirred for by rotating vane 26, prevents earth from coagulating
Gu the second flexible pipe 27 is blocked.After having extracted a certain amount of earth, dredge pump 15 and the first motor 4 all quit work；Slide block 7
After reset, the second motor 12 quits work；After rotating vane 26 resets, the 3rd motor 25 quits work.
Because also including cylinder 29, the bottom of first connecting rod 6 connects cylinder 29, the bottom of cylinder 29 and the first motor
4 connect, so when reamer 5 needs to regulate downwards, starting cylinder 29 and extend, cylinder 29 drives the first motor 4 and reamer 5 downward
Mobile, when reamer 5 contacts with river bed, cylinder 29 stops elongation, and after being drawn into appropriate earth, the first motor 4 stops work
Make；After slide block 7 resets, the second motor 12 quits work；Then start cylinder 29 to retract, drive reamer 5 to reset.
Because also including filter screen 30, the bottom taking out mud cover 18 is provided with filter screen 30, it is possible to prevent weeds etc. from sucking the
One flexible pipe 16 and dredge pump 15, prevent from blocking the first flexible pipe 16 or dredge pump 15.
Because having aperture 31 on rotating vane 26, so rotating vane 26 is more light and handy, rotate more freely.
Because the material of left socle 1 and right support 8 is Q235 steel, so left socle 1 and right support 8 are difficult to get rusty, make
Use the life-span long.
Because first motor the 4, second motor 12 and the 3rd motor 25 are servomotor, it is possible to regulation accurately turns
Speed, makes operation more steady.
Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this
Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. an efficient cutter suction dredger, it is characterised in that include left socle (1), the first support plate (2), the second support plate
(3), the first motor (4), reamer (5), first connecting rod (6), slide block (7), right support (8), slide rail (9), the first gear (10), little
Belt pulley (11), the second motor (12), flat belt (13), collecting box (14), dredge pump (15), the first flexible pipe (16), guide ring
(17) mud cover (18), the second gear (19), big belt pulley (20), head rod (21), the second connecting rod (22), disk, are taken out
(23), second connecting rod (24), the 3rd motor (25), rotating vane (26), the second flexible pipe (27) and dredger (28)；Dredger
(28) top is sequentially provided with left socle (1), collecting box (14) and right support (8), the top right in right support (8) from left to right
Side connects the second motor (12), and the dead ahead of the second motor (12) connects has the first gear (10), before the first gear (10)
Side connects small belt pulley (11), and the right wall in right support (8) connects the second gear (19) and big belt pulley (20), and the
Two gears (19) are positioned at the top of big belt pulley (20), and the second gear (19) engages with the first gear (10), the second gear (19)
Front side be hingedly connected with head rod (21), the bottom of head rod (21) is hingedly connected with the second connecting rod (22),
Being wound with flat belt (13) between big belt pulley (20) and small belt pulley (11), the dead ahead of big belt pulley (20) connects disk
(23), the upper connection of disk (23) has second connecting rod (24), and the bottom of second connecting rod (24) connects the 3rd motor (25), the 3rd electricity
The bottom of machine (25) connects has rotating vane (26), rotating vane (26) to be positioned at collecting box (14), the end in collecting box (14)
Being provided with dredge pump (15) on the left of portion, the left side of dredge pump (15) connects the first flexible pipe (16), and the first flexible pipe (16) is through collecting
The left wall of case (14), the bottom of the first flexible pipe (16) connects takes out mud cover (18), the right side of dredge pump (15) connect have second soft
Pipe (27), the right side of left socle (1) is provided with slide rail (9) and the first support plate (2), and slide rail (9) is positioned at the upper of the first support plate (2)
Side, slide rail (9) is provided with slide block (7), and the right side of slide block (7) is connected with the left end of the second connecting rod (22), a left side for slide block (7)
Front, side connects has first connecting rod (6), first connecting rod (6) to be articulated and connected with the first support plate (2), under the right side of first connecting rod (6)
Side connects the first support plate (2), and the right-hand member of the first support plate (2) connects guide ring (17), and the first flexible pipe (16) passes guide ring
(17), the bottom of first connecting rod (6) connects the first motor (4), and the bottom of the first motor (4) connects reamer (5).
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that also include cylinder (29), the
The bottom of one connecting rod (6) connects has cylinder (29), the bottom of cylinder (29) to be connected with the first motor (4).
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that also include filter screen (30), take out
The bottom of mud cover (18) is provided with filter screen (30).
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that have little on rotating vane (26)
Hole (31).
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that left socle (1) and right support (8)
Material be Q235 steel.
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that the first motor (4), the second motor
And the 3rd motor (25) is servomotor (12).
The efficient cutter suction dredger of one the most according to claim 1, it is characterised in that right support (8) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784310.6A CN106193163A (en) | 2016-08-30 | 2016-08-30 | A kind of efficiently cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610784310.6A CN106193163A (en) | 2016-08-30 | 2016-08-30 | A kind of efficiently cutter suction dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106193163A true CN106193163A (en) | 2016-12-07 |
Family
ID=58085650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610784310.6A Pending CN106193163A (en) | 2016-08-30 | 2016-08-30 | A kind of efficiently cutter suction dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106193163A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875818A (en) * | 2017-04-20 | 2017-06-20 | 武汉理工大学 | Cutter suction dredger operation analogue means |
| CN107134212A (en) * | 2017-06-20 | 2017-09-05 | 武汉理工大学 | A kind of small-sized construction simulation device of cutter suction dredger |
| CN108277834A (en) * | 2018-01-15 | 2018-07-13 | 郑文平 | A kind of hydraulic engineering channel cleanout device |
| CN108691348A (en) * | 2018-07-09 | 2018-10-23 | 无锡市诚信洗选设备有限公司 | Has the sewage disposal grille well that mud function is taken out in stirring |
| CN110374158A (en) * | 2019-08-16 | 2019-10-25 | 威海海洋职业学院 | A kind of working ship |
| CN111719628A (en) * | 2020-06-30 | 2020-09-29 | 浙江水利水电学院 | Water environment treatment sludge cleaning device |
| CN111926874A (en) * | 2020-08-12 | 2020-11-13 | 王军民 | Canal bottom sludge cleaning machine and method for hydraulic engineering |
| CN112627271A (en) * | 2020-12-16 | 2021-04-09 | 章红妹 | Irrigation ditch silt extraction equipment for irrigation |
| CN113062390A (en) * | 2021-04-02 | 2021-07-02 | 蚌埠市神舟机械有限公司 | Self-adaptive double-cutter-twisting device for cutter-suction dredger |
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| CN204080899U (en) * | 2014-09-09 | 2015-01-07 | 浙江海洋学院 | A kind of cutter suntion dredger |
| CN105625490A (en) * | 2014-11-03 | 2016-06-01 | 陈忠庆 | Water-filtering sand dredging hopper for hanging type sand dredger |
| WO2016097455A1 (en) * | 2014-12-18 | 2016-06-23 | Centro De Investigaciones Submarinas, S.L. | Semi-closed water circuit system for suction dredger |
| CN205348257U (en) * | 2016-02-17 | 2016-06-29 | 吴晓强 | Hydraulic engineering silt remover |
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| CN204080899U (en) * | 2014-09-09 | 2015-01-07 | 浙江海洋学院 | A kind of cutter suntion dredger |
| CN105625490A (en) * | 2014-11-03 | 2016-06-01 | 陈忠庆 | Water-filtering sand dredging hopper for hanging type sand dredger |
| WO2016097455A1 (en) * | 2014-12-18 | 2016-06-23 | Centro De Investigaciones Submarinas, S.L. | Semi-closed water circuit system for suction dredger |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106875818A (en) * | 2017-04-20 | 2017-06-20 | 武汉理工大学 | Cutter suction dredger operation analogue means |
| CN107134212A (en) * | 2017-06-20 | 2017-09-05 | 武汉理工大学 | A kind of small-sized construction simulation device of cutter suction dredger |
| CN107134212B (en) * | 2017-06-20 | 2018-10-09 | 武汉理工大学 | A kind of small-sized construction simulation device of cutter suction dredger |
| CN108277834A (en) * | 2018-01-15 | 2018-07-13 | 郑文平 | A kind of hydraulic engineering channel cleanout device |
| CN108691348A (en) * | 2018-07-09 | 2018-10-23 | 无锡市诚信洗选设备有限公司 | Has the sewage disposal grille well that mud function is taken out in stirring |
| CN110374158A (en) * | 2019-08-16 | 2019-10-25 | 威海海洋职业学院 | A kind of working ship |
| CN110374158B (en) * | 2019-08-16 | 2021-06-25 | 威海海洋职业学院 | Engineering ship |
| CN111719628A (en) * | 2020-06-30 | 2020-09-29 | 浙江水利水电学院 | Water environment treatment sludge cleaning device |
| CN111926874A (en) * | 2020-08-12 | 2020-11-13 | 王军民 | Canal bottom sludge cleaning machine and method for hydraulic engineering |
| CN111926874B (en) * | 2020-08-12 | 2023-02-17 | 王军民 | Canal bottom sludge cleaning machine and method for hydraulic engineering |
| CN112627271A (en) * | 2020-12-16 | 2021-04-09 | 章红妹 | Irrigation ditch silt extraction equipment for irrigation |
| CN113062390A (en) * | 2021-04-02 | 2021-07-02 | 蚌埠市神舟机械有限公司 | Self-adaptive double-cutter-twisting device for cutter-suction dredger |
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