CN108894266A - A kind of silt dredging device for river and lake dredging - Google Patents
A kind of silt dredging device for river and lake dredging Download PDFInfo
- Publication number
- CN108894266A CN108894266A CN201810677195.1A CN201810677195A CN108894266A CN 108894266 A CN108894266 A CN 108894266A CN 201810677195 A CN201810677195 A CN 201810677195A CN 108894266 A CN108894266 A CN 108894266A
- Authority
- CN
- China
- Prior art keywords
- silt
- dredging
- pipe
- silt dredging
- river
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000008450 motivation Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000749 chronicity Toxicity 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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
-
- 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
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a kind of silt dredging devices for river and lake dredging, are related to desilting equipment technical field.The present invention includes hull, sludge tank and silt dredging mechanism, and silt dredging mechanism includes piston cylinder and silt dredging chamber；Piston cylinder is connected to silt dredging chamber；Silt dredging chamber, which is equipped with into becoming silted up, pipe and goes out the pipe that becomes silted up, and is equipped with the first check valve into silt pipe, goes out silt pipe and be equipped with second one-way valve, is equipped with piston in piston cylinder, piston rod is equipped on piston, piston rod is connected with a driving mechanism；The pipe that becomes silted up out is connected with sludge tank；Silt dredging mechanism is fixedly mounted on fore, and sludge tank is fixedly mounted aboard ship.The present invention is moved by piston in piston cylinder to control the opening and closing of the first check valve and second one-way valve, mud liquid is sucked from into silt pipe through silt dredging chamber, go out become silted up pipe finally flow out to sludge tank, the service life of silt dredging device can be greatly improved.
Description
Technical field
The invention belongs to desilting equipment technical fields, more particularly to a kind of silt dredging device for river and lake dredging.
Background technique
In recent years, there are a large amount of silt, dirt siltation in China river, reservoir, river embankment and Lake Water bottom, so that water storage and life
State ability is greatly reduced, and many rivers and water channel are filled and led up by silt, loses original ecological functions, and these are underwater dirty
Mud can also generate pollution, they have the characteristics that chronicity, accumulation property, latency and irreversibility, can by food chain at
1100 times of ground enrichments, the health of final harmful to human.Thus the processing of underwater sludge has become the important of current efforts at environmental protection
Work.The mode dredging large labor intensity of artificial load mud, working efficiency is low, brings inconvenience to sanitationman, improves dimension
The appearance of the cost of shield, silt dredging pump is brought conveniently to river and lake dredging, but existing silt dredging pump is mainly generated by blade very
Sky achievees the purpose that silt dredging, due to can usually be mixed with sandstone in mud, easily damages to blade.
Summary of the invention
The purpose of the present invention is to provide a kind of silt dredging devices for river and lake dredging, pass through setting piston cylinder, the first list
It is pumped to valve, second one-way valve instead of silt dredging, solves existing silt dredging pump and vacuum is mainly generated by blade, reach silt dredging
Purpose, due to can usually be mixed with sandstone in mud, the problem of easily being damaged to blade.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of silt dredging device for river and lake dredging, including hull, sludge tank and silt dredging mechanism, the silt dredging
Mechanism includes piston cylinder and silt dredging chamber；The piston cylinder is connected to the silt dredging chamber；The silt dredging chamber is equipped with into becoming silted up and manages and go out
Become silted up pipe, it is described into silt pipe be equipped with the first check valve, it is described go out silt pipe be equipped with second one-way valve so that mud liquid successively via
Into the pipe that becomes silted up, silt dredging chamber and silt pipe outflow out；Piston is installed in the piston cylinder, piston rod is installed on the piston, it is described
Piston rod is connected with a driving mechanism；The pipe that becomes silted up out is connected with the sludge tank；The silt dredging mechanism and the sludge tank are equal
It is fixedly mounted on hull.
It further, further include sunpender, one end of the sunpender and the hull are hinged, and the other end of the sunpender passes through
One lifting rope is connect with described into silt pipe；The middle part of the sunpender is connected by a telescoping mechanism with the hull.
Further, described to be equipped with first step hole into silt pipe, and the first step hole is along close to the silt dredging chamber
Orient diameter become larger；The step surface in the first step hole be equipped with the first diaphragm seal, the side of first diaphragm seal with
The step surface in the first step hole is hinged；The silt pipe out is equipped with second step hole, and the second step hole is along close
The orient diameter of the silt dredging chamber becomes smaller；The step surface in the second step hole is equipped with the second diaphragm seal, second sealing
The side of piece and the step surface in the second step hole are hinged.
Further, first diaphragm seal and the second diaphragm seal include casing play and rubber layer, the rubber layer packet
It overlays on the periphery of the casing play, the casing play is made of steel.
Further, described one end into silt pipe is equipped with stirring-head；The stirring-head includes cylinder and stirring rod, described
Cylinder is rotatably installed in the periphery into silt pipe one end by bearing；The periphery of the cylinder is arranged with gear ring, the tooth
Torus is engaged with a first gear, and the rotation axis of the first gear is connect with a motor drive；The stirring rod is several,
One end of several stirring rods is connect with one end of the cylinder, and the other end of several stirring rods is fixedly connected.
Further, the inner ring of the bearing is welded on the periphery into silt pipe one end, the outer ring welding of the bearing
On the inner wall of the cylinder.
Further, the motor is waterproof machine, and the outside of the motor is equipped with waterproof cover, prevents water from entering in motor
Portion.
Further, the silt dredging mechanism is bolted on fore.
Further, the driving mechanism is gasoline engine or diesel engine.
The invention has the advantages that：
The present invention is moved in piston cylinder by piston to control the opening and closing of the first check valve and second one-way valve, by mud
Liquid is sucked from into silt pipe through silt dredging chamber, going out to become silted up to manage finally flows out to sludge tank.Due to the first check valve and second one-way valve
It is open larger, passes through convenient for the biggish sandstone of volume, be beneficial to prevent sandstone damage caused by whole device, simultaneously, moreover it is possible to
The passability for enough improving sandstone is conducive to improve dredging effect.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is structural schematic diagram of the present invention for the silt dredging device of river and lake dredging；
Fig. 2 is the structural schematic diagram of silt dredging mechanism；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the enlarged drawing in Fig. 2 at B；
Fig. 5 is the structural schematic diagram of stirring-head；
In attached drawing, parts list represented by the reference numerals are as follows：
1- hull, 2- sludge tank, 3- silt dredging mechanism, 4- piston cylinder, 5- silt dredging chamber, 6- are managed into becoming silted up, and 7- goes out the pipe that becomes silted up, and 8- is living
Plug, 9- piston rod, 10- driving mechanism, 11- sunpender, 12- lifting rope, 13- telescoping mechanism, the first diaphragm seal of 14-, 15- second are sealed
Piece, 16- stirring-head, 17- cylinder, 18- stirring rod, 19- gear ring, 20- first gear, 21- motor, 22- bearing.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " one end ", " other end ", " periphery ", " inner wall ", "upper",
Indicating positions or the positional relationship such as "inner", " outside ", are merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified component or element must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as
Limitation of the present invention.
It please refers to shown in Fig. 1-2, the present invention is a kind of silt dredging device for river and lake dredging, including hull 1, sludge tank 2
With silt dredging mechanism 3；Silt dredging mechanism 3 includes piston cylinder 4 and silt dredging chamber 5；Piston cylinder 4 is connected to silt dredging chamber 5；Silt dredging chamber 5 is equipped with
Into silt pipe 6 and out silt pipe 7 is equipped with the first check valve into silt pipe 6, goes out silt pipe 7 and be equipped with second one-way valve so that mud liquid according to
It is secondary via into silt pipe 6, silt dredging chamber 5 and out silt pipe 7 flow out；Piston 8 is installed in piston cylinder 4, piston rod 9 is installed on piston 8,
Piston rod 9 is connected with a driving mechanism 10；Silt pipe 7 is connected with sludge tank 2 out；Silt dredging mechanism 3 and sludge tank 2 are fixedly mounted on
On hull 1.
Specific work process description：It will be placed in river into one end of silt pipe 6, driving mechanism 10 is driven by piston rod 9
Piston 8 moves reciprocatingly in piston cylinder 4, and when moving when piston 8 to the direction far from silt dredging chamber 5, the first check valve is opened, the
Two closed check valves, mud liquid are inhaled into silt dredging chamber 5 under the action of pressure difference into silt pipe 6, and piston 8 is to close to silt dredging
The direction of chamber 5 moves, at this time the first closed check valve, and second one-way valve is opened, and the mud liquid in silt dredging chamber 5 is through second one-way valve
Into silt pipe 7 out, is gone out silt pipe 7 and eventually enter into sludge tank 2.The configuration of the present invention is simple, it is easy to operate, and driving mechanism 10 can be with
Connecting rod or diesel engine is added to add eccentric wheel using gasoline engine plus connecting rod or gasoline engine biasing lower whorl or diesel engine；Using vapour
Oil machine or diesel engine are capable of providing biggish kinetic energy and are more conducive to for mud liquid being sucked out in river.
Wherein, further include sunpender 11, one end of sunpender 11 and hull 1 are hinged, the other end of sunpender 11 by lifting rope 12 with
It is connected into silt pipe 6；The middle part of sunpender 11 is connected by a telescoping mechanism 13 with hull 1.Specifically, telescoping mechanism 13 is hydraulic stretches
Contracting bar, the lifting of sunpender 11 is controlled by hydraulic telescopic rod, and then controls the lifting into silt pipe 6, controls the depth sunk into silt pipe 6
Degree.
As shown in fig.3, wherein, being equipped with first step hole into silt pipe 6, and first step hole is along close to silt dredging chamber 5
Orient diameter becomes larger；The step surface in first step hole is equipped with the first diaphragm seal 14, the side of the first diaphragm seal 14 and First
The step surface in rank hole is hinged；Silt pipe 7 is equipped with second step hole out, and second step hole is along the orient diameter close to silt dredging chamber 5
Become smaller；The step surface in second step hole is equipped with the second diaphragm seal 15, the side of the second diaphragm seal 15 and the platform in second step hole
Terrace is hinged.Wherein, the first diaphragm seal 14 and the second diaphragm seal 15 include casing play and rubber layer, and rubber layer is coated on skeleton
On the periphery of layer, casing play is made of steel.When moving when piston 8 to the direction far from silt dredging chamber 5, the first diaphragm seal 14 is beaten
Open, the second diaphragm seal 15 is closed, mud liquid under the action of pressure difference through being inhaled into silt dredging chamber 5 into silt pipe 6, piston 8 to
It is moved close to the direction of silt dredging chamber 5, the first diaphragm seal 14 is closed at this time, and the second diaphragm seal 15 is opened, the mud liquid in silt dredging chamber 5
Enter silt pipe 7 through the second diaphragm seal 15, is gone out silt pipe 7 and eventually enter into sludge tank 2.Since the first check valve is arranged to first
The form of diaphragm seal 14 and the cooperation of first step hole, when the first diaphragm seal 14 is opened under the action of pressure difference, Neng Goubao
The opening demonstrate,proved between the first diaphragm seal 14 and first step hole is larger, and the sandstone for being less than certain value convenient for volume enter；Second is single
It is arranged to the form that the second diaphragm seal 15 cooperates with second step hole to valve, the second diaphragm seal 15 is beaten under the action of pressure difference
When opening, it can guarantee that the opening between the second diaphragm seal 15 and second step hole is larger.Pass through convenient for sandstone.Specifically, it becomes silted up out
The diameter of pipe 7 is greater than the diameter into silt pipe 6.
Refering to Fig. 4-5, wherein be equipped with stirring-head 16 into one end of silt pipe 6；Stirring-head 16 is set, it can be in mud quilt
The first stirring of agitated head 16 is mixed to form mud liquid with water and is conveniently inhaled into silt pipe 6 before sucking into silt pipe 6, can also prevent
Mud is directly entered into silt pipe 6 two and blocks into silt pipe 6.Stirring-head 16 includes cylinder 17 and stirring rod 18, and cylinder 17 passes through bearing
22 are rotatably installed in the periphery into 6 one end of silt pipe；The periphery of cylinder 17 is arranged with gear ring 19, specifically, gear ring 19 and cylinder
Body 17 is interference fitted.Gear ring 19 is engaged with a first gear 20, and the rotation axis of first gear 20 and a motor 21 are sequentially connected；
Stirring rod 18 is four, and one end of four stirring rods 18 is connect with one end of cylinder 17, and the other end of four stirring rods 18 is solid
Fixed connection.Specifically, cylinder 17 and stirring rod 18 are made of stainless steel material, stirring rod 18 by welding with cylinder
17 are fixedly connected, and the other end of four stirring rods 18 is fixed together by welding, and four additional stirring rod 18 can also
It is made up of mold integrated molding.First gear 20 is driven to rotate by motor 21, first gear 20 drives gear ring 19 to rotate,
Gear ring 19 drives stirring-head 16 to rotate.
Wherein, the inner ring of bearing 22 is welded on the periphery into 6 one end of silt pipe, and the outer ring of bearing 22 is welded on the interior of cylinder 17
On wall.Cylinder 17 is connect by bearing 22 with into silt pipe 6, and frictional force when cylinder 17 rotates and into silt pipe 6 can be reduced.
Wherein, motor 21 is waterproof machine, and the outside of motor 21 is equipped with waterproof cover, prevents water from entering inside motor 21.
Wherein, silt dredging mechanism 3 is bolted on fore.Silt dredging mechanism 3 is fixedly connected by bolt with fore can
Silt dredging mechanism 3 is installed stronger.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (9)
1. a kind of silt dredging device for river and lake dredging, including hull (1), sludge tank (2) and silt dredging mechanism (3), feature exists
In：The silt dredging mechanism (3) includes piston cylinder (4) and silt dredging chamber (5)；The piston cylinder (4) is connected to the silt dredging chamber (5)；
The silt dredging chamber (5) be equipped with into become silted up pipe (6) and go out become silted up pipe (7), it is described into become silted up pipe (6) be equipped with the first check valve, it is described out
The pipe (7) that becomes silted up is equipped with second one-way valve, so that mud liquid successively manages (6), silt dredging chamber (5) and pipe (7) outflow that goes out to become silted up via into silt；
It is equipped with piston (8) in the piston cylinder (4), is equipped with piston rod (9) on the piston (8), the piston rod (9) is driven with one
Motivation structure (10) is connected；The pipe (7) that becomes silted up out is connected with the sludge tank (2)；The silt dredging mechanism (3) and the sludge tank
(2) it is fixedly mounted on the hull (1).
2. a kind of silt dredging device for river and lake dredging according to claim 1, which is characterized in that further include sunpender
(11), one end Yu the hull (1) of the sunpender (11) hingedly, the other end of the sunpender (11) by a lifting rope (12) with
It is described to be connected into the pipe (6) that becomes silted up；The middle part of the sunpender (11) is connected by a telescoping mechanism (13) with the hull (1).
3. a kind of silt dredging device for river and lake dredging according to claim 1, which is characterized in that described to manage (6) into becoming silted up
It is equipped with first step hole, and the first step hole becomes larger along the orient diameter close to the silt dredging chamber (5)；The First
The step surface in rank hole is equipped with the first diaphragm seal (14), the side of first diaphragm seal (14) and the platform in the first step hole
Terrace is hinged；It is described to go out to become silted up pipe (7) equipped with second step hole, and the second step hole is along close to the silt dredging chamber (5)
Orient diameter becomes smaller；The step surface in the second step hole is equipped with the second diaphragm seal (15), second diaphragm seal (15)
The step surface of side and the second step hole is hinged.
4. a kind of silt dredging device for river and lake dredging according to claim 3, which is characterized in that first diaphragm seal
(14) and the second diaphragm seal (15) includes casing play and rubber layer, and the rubber layer is coated on the periphery of the casing play,
The casing play is made of steel.
5. a kind of silt dredging device for river and lake dredging according to claim 1, which is characterized in that described to manage (6) into becoming silted up
One end stirring-head (16) are installed；The stirring-head (16) includes cylinder (17) and stirring rod (18), and the cylinder (17) is logical
It crosses bearing (22) and is rotatably installed in the periphery into pipe (6) one end of becoming silted up；The periphery of the cylinder (17) is arranged with gear ring
(19), the gear ring (19) is engaged with a first gear (20), the rotation axis of the first gear (20) and a motor (21)
Transmission connection；The stirring rod (18) be several, one end of several stirring rods (18) with the cylinder (17) one
End connection, the other end of several stirring rods (18) are fixedly connected.
6. a kind of silt dredging device for river and lake dredging according to claim 5, which is characterized in that the bearing (22)
Inner ring is welded on the periphery into pipe (6) one end of becoming silted up, and the outer ring of the bearing (22) is welded on the inner wall of the cylinder (17)
On.
7. a kind of silt dredging device for river and lake dredging according to claim 5, which is characterized in that the motor (21) is
The outside of waterproof machine, the motor (21) is equipped with waterproof cover, prevents water from entering motor (21) internal.
8. a kind of silt dredging device for river and lake dredging according to claim 1, which is characterized in that the silt dredging mechanism
(3) it is bolted on fore.
9. a kind of silt dredging device for river and lake dredging according to claim 1, which is characterized in that the driving mechanism
It (10) is gasoline engine or diesel engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677195.1A CN108894266A (en) | 2018-06-27 | 2018-06-27 | A kind of silt dredging device for river and lake dredging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810677195.1A CN108894266A (en) | 2018-06-27 | 2018-06-27 | A kind of silt dredging device for river and lake dredging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108894266A true CN108894266A (en) | 2018-11-27 |
Family
ID=64346482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810677195.1A Pending CN108894266A (en) | 2018-06-27 | 2018-06-27 | A kind of silt dredging device for river and lake dredging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894266A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459161A (en) * | 2020-12-02 | 2021-03-09 | 李昂 | Channel construction dredging device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014649A1 (en) * | 1999-08-21 | 2001-03-01 | Psl Technology Limited | Apparatus and method for sea bed excavation |
| CN1710217A (en) * | 2005-07-05 | 2005-12-21 | 冯君尧 | River channel silt cleaning method and equipment thereof |
| CN203280803U (en) * | 2013-05-31 | 2013-11-13 | 李俊萍 | Drainage device for thoracocentesis |
| CN204282430U (en) * | 2014-12-10 | 2015-04-22 | 宁波清航水利工程有限公司 | A kind of intake-outlet has the mud "removing sludge of variable-diameter structure |
| CN204728382U (en) * | 2015-05-14 | 2015-10-28 | 浙江海洋学院 | A kind of hinge suction nozzle peculiar to vessel |
| CN107989106A (en) * | 2017-12-25 | 2018-05-04 | 江阴市顺通机械技术有限公司 | A kind of ecological dredging ship |
-
2018
- 2018-06-27 CN CN201810677195.1A patent/CN108894266A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014649A1 (en) * | 1999-08-21 | 2001-03-01 | Psl Technology Limited | Apparatus and method for sea bed excavation |
| CN1710217A (en) * | 2005-07-05 | 2005-12-21 | 冯君尧 | River channel silt cleaning method and equipment thereof |
| CN203280803U (en) * | 2013-05-31 | 2013-11-13 | 李俊萍 | Drainage device for thoracocentesis |
| CN204282430U (en) * | 2014-12-10 | 2015-04-22 | 宁波清航水利工程有限公司 | A kind of intake-outlet has the mud "removing sludge of variable-diameter structure |
| CN204728382U (en) * | 2015-05-14 | 2015-10-28 | 浙江海洋学院 | A kind of hinge suction nozzle peculiar to vessel |
| CN107989106A (en) * | 2017-12-25 | 2018-05-04 | 江阴市顺通机械技术有限公司 | A kind of ecological dredging ship |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459161A (en) * | 2020-12-02 | 2021-03-09 | 李昂 | Channel construction dredging device |
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Application publication date: 20181127 |