CN114232708A - River course environmental protection sediment removal device - Google Patents
River course environmental protection sediment removal device Download PDFInfo
- Publication number
- CN114232708A CN114232708A CN202111429868.XA CN202111429868A CN114232708A CN 114232708 A CN114232708 A CN 114232708A CN 202111429868 A CN202111429868 A CN 202111429868A CN 114232708 A CN114232708 A CN 114232708A
- Authority
- CN
- China
- Prior art keywords
- guide rod
- mud
- ship
- floating body
- silt
- 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
- 230000007613 environmental effect Effects 0.000 title claims description 9
- 239000013049 sediment Substances 0.000 title claims description 4
- 239000010802 sludge Substances 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000004140 cleaning Methods 0.000 abstract description 7
- 239000010865 sewage Substances 0.000 abstract description 7
- 241000251468 Actinopterygii Species 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
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
-
- 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
- E02F3/9256—Active suction heads; Suction heads with cutting elements, i.e. the cutting elements are mounted within the housing of the suction head
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
Abstract
The utility model discloses an environment-friendly river channel dredging device which comprises a ship-shaped floating body, wherein one end of the ship-shaped floating body is provided with a mud suction device, the mud suction device comprises a mud collecting box, the upper part of the mud collecting box is communicated with a mud filter box, the mud filter box is connected with a mud suction hose, the other end of the mud suction hose is connected with a rotor pump, and the rotor pump is connected with a power unit to suck mud. The silt collecting box opening is downwards collected silt, the inside screw machine that sets up of silt collecting box, the screw machine both ends set up the movable pulley. The underwater dredging device is suitable for regularly cleaning silt in small-sized riverways, fish ponds and shallow water bodies, and solves the problems that the existing underwater dredging device can not effectively avoid obstacles when a shell meets the obstacles, is easy to be sucked by a sewage suction head to cause blockage, and is still dragged to move when the dredging operation is suspended, so that the floating body is not facilitated to move forwards quickly, and the adaptability of the underwater dredging device is poor.
Description
Technical Field
The utility model relates to the field of cleaning devices for river silt, in particular to an environment-friendly river silt cleaning device suitable for periodically cleaning silt in small-sized rivers, fish ponds and shallow water bodies.
Background
With the progress of society, environmental issues are more and more emphasized, and the environmental management problem of the river channel is a very important direction in the environmental issues. The environmental management of the river channel mainly comprises two aspects, namely the management of water pollution in the river channel on one hand, and the cleaning of sludge at the bottom of the river channel on the other important aspect.
In the prior art, there are some underwater dredging devices, such as an elegant jet type underwater dredging device and a dredging boat disclosed in chinese patent document with publication number CN207794173U, the dredging boat is provided with a high pressure water pump and a sewage pump, the underwater dredging device is arranged at the bottom of the dredging boat through a dragging mechanism, the underwater dredging device mainly comprises a housing with an opening downward for being buckled on a riverbed upside down, the housing is provided with an inner cavity for containing sludge and mud, and a sewage flushing head connected with a sewage flushing device and a sewage sucking head connected with a sucking device are arranged inside the housing. When the dredging ship disclosed by the utility model is used for dredging, underwater silt is flushed through the sewage flushing head, the stirred silt is sealed by the shell, the silt is sucked away by the sewage suction head to achieve the aim of dredging, the underwater dredging device is dragged through the dragging mechanism, and the underwater dredging device is dragged to the next working position along a river bed to start dredging.
Although the underwater dredging device is connected with the dragging mechanism, in the using process, when the underwater dredging device shell meets an obstacle, the obstacle cannot be effectively avoided, and the underwater dredging device is easily sucked by a dirt sucking head to cause blockage; in addition, when the dredging operation is suspended, the underwater dredging device still needs to be dragged, so that the floating body is not beneficial to moving forwards quickly, and the problem of poor adaptability of the underwater dredging device is caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the river channel environment-friendly dredging device which is suitable for regularly cleaning silt in small-sized river channels, fish ponds and shallow water bodies, so as to solve the problems that the shell of the existing underwater dredging device cannot effectively avoid obstacles when encountering obstacles and is easy to be sucked by a dirt suction head to cause blockage; in addition, when the dredging operation is suspended, the underwater dredging device still needs to be dragged, so that the floating body is not beneficial to moving forwards quickly, and the problem of poor adaptability of the underwater dredging device is caused.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a river course environmental protection sediment removal device, includes ship type body, and the one end setting of ship type body inhales the mud device, inhales the mud device and includes the silt collecting box, and silt collecting box upper portion intercommunication sludge filtration case, sludge filtration case connect and take out the mud hose, take out the other end connection rotor pump of mud hose, and power unit is connected to the rotor pump and pumps silt.
Preferably, the opening of the sludge collection box is downward for collecting sludge, a screw machine is arranged in the sludge collection box, and sliding wheels are arranged at two ends of the screw machine.
Preferably, the front end of the sludge collection box is provided with a filter grid, and two ends of the filter grid are provided with angle adjusting structures for removing stones and foreign matters in the sludge in advance.
Preferably, one end of the ship-shaped floating body is provided with a lifting device, the mud suction device is connected with the lifting device, the lifting device comprises at least one guide rod support, the guide rod support is connected with the ship-shaped floating body, the guide rod is connected with the guide rod support in a sliding mode, and the bottom end of the guide rod is connected with the mud suction device.
Preferably, the lifting device comprises two guide rod supports, a first fixed pulley is arranged at the upper end of each guide rod support, the first fixed pulley is opposite to the guide rod supports and fixedly connected with the guide rod supports and is driven to rotate by a motor, a movable pulley is arranged at the upper end of each guide rod, the movable pulley is longitudinally arranged corresponding to the first fixed pulley, and a first traction rope is arranged between the movable pulley and the first fixed pulley.
Preferably, the guide rod bracket is of a hollow structure, a guide gap is formed in one side of the guide rod bracket, the guide rod is inserted into the hollow structure, and the movable pulley is connected with the guide rod through the guide gap.
Preferably, the boat-shaped floating body is provided with at least one group of rotating wheel mechanisms, each rotating wheel mechanism comprises a rotating wheel fixedly arranged on the boat-shaped floating body, and a motor for driving the rotating wheel to rotate, the rotating wheel is connected with the upper end part of the guide rod support through a second traction rope, and the guide rod support is hinged to the boat-shaped floating body.
Preferably, the tail part of the ship-shaped floating body is provided with a ship body driving device, the ship body driving device comprises a propeller, the propeller is connected with a first hydraulic cylinder through a fluted disc toothed bar transmission mechanism, and the first hydraulic cylinder moves back and forth to drive a toothed bar to move so as to drive the propeller to rotate for 360 degrees.
Preferably, the hull driving device further comprises a depth adjusting device, the depth adjusting device comprises a second hydraulic cylinder which is longitudinally arranged, one end of the second hydraulic cylinder is connected with the propeller, and the other end of the second hydraulic cylinder is relatively fixed with the ship-shaped floating body.
Compared with the prior art, the utility model can achieve the following beneficial effects:
the environment-friendly dredging device for the river channel is suitable for regularly cleaning silt in small-sized river channels, fish ponds and shallow water bodies, is prevented from being blocked and high in dredging efficiency compared with the existing underwater dredging device, can go upwards to discharge water when dredging operation is suspended, is beneficial to the quick forward of a floating body, and has the effects of strong adaptability, energy consumption saving, low carbon and environment friendliness.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a partially enlarged view of portion B of FIG. 3;
FIG. 5 is a top view of the present invention;
FIG. 6 is a schematic view of the descending state of the lifting device 4 according to the present invention;
FIG. 7 is a schematic view of the ascending state of the lifting device 4 according to the present invention;
FIG. 8 is a schematic view showing the state where the lifting device 4 and the sludge suction device 5 of the present invention are laid; wherein: 1. the device comprises a rotor pump, 2, a power unit, 3, a ship-shaped floating body, 4, a lifting device, 41, a guide rod support, 42, a first fixed pulley, 43, a guide gap, 44, a guide rod, 45, a movable pulley, 46, a first traction rope, 47, a rotating wheel, 48, a second traction rope, 5, a mud suction device, 51, a mud collection box, 52, a mud filter box, 53, a screw machine, 54, a filter grid, 55, an angle adjusting structure, 6, a mud pumping hose, 7, a traction device, 8, a motor, 9, a ship body driving device, 91, a propeller, 92, a fluted disc and toothed bar transmission mechanism, 93, a first hydraulic cylinder, 94, a depth adjusting device, 95 and a second hydraulic cylinder.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
As shown in fig. 1 to 8, the utility model discloses an environment-friendly river channel dredging device, which comprises a rotor pump 1, a power unit 2, a boat-shaped floating body 3, a lifting device 4, a mud suction device 5, a mud suction hose 6, a traction device 7 and the like.
All equipment fixing is on double-end ship type body 3, power pack 2 on the ship type body 3 adopts diesel engine or motor to drive hydraulic pressure station, the device is gone in the river course, can go up and down inhale mud device 5 and slowly descend to river bottom silt through elevating gear 4, impeller pump 1 is through one take out mud hose 6 and connect the sludge filtration case 52 of inhaling mud device 5, pump 1 sucks river course silt vacuum through impeller pump 1, then carry bank or on the same line on the ship through taking out mud hose 6, need not take out dry river course water during the desilting, the water does not produce muddy, do not influence the water ecology, belong to a novel river course environmental protection desilting device.
Introduction of the mud suction device 5: the one end of ship type body 3 sets up inhales mud device 5, inhales mud device 5 and includes silt collecting box 51, and silt collecting box 51 upper portion intercommunication sludge filtration case 52, sludge filtration case 52 are connected and are taken out mud hose 6, and the other end of taking out mud hose 6 is connected rotor pump 1, and power unit 2 is connected to rotor pump 1 and is carried out suction silt. The sludge collecting box 51 is opened downwards to collect sludge, and a screw machine 53 is arranged in the sludge collecting box 51 to reduce the resistance during walking. The front end of the sludge collection box 51 is provided with a filter grid 54, and two ends of the filter grid 54 are provided with angle adjusting structures 55, so that the angle of the filter grid 54 can be adjusted, and the filter grid is used for removing stones and large foreign matters in the sludge in the river channel in advance. The filtered sludge is collected in the sludge filtering tank 52 by the screw 53 and then sucked and discharged through the rotor pump 1 by the sludge suction hose 6.
The lifting device 4 can lift the mud suction device 5 according to the depth of the river channel through two guide rods and a traction rope. Specifically, one end of the ship-shaped floating body 3, which is provided with the mud suction device 5, is provided with the lifting device 4, the mud suction device 5 is connected with the lifting device 4, the lifting device 4 comprises two guide rod brackets 41, the guide rod brackets 41 are connected with the ship-shaped floating body 3, the upper end of each guide rod bracket 41 is provided with a first fixed pulley 42, and the first fixed pulleys 42 are fixedly connected with the guide rod brackets 41 and driven to rotate by the motor 8. The guide rod support 41 is of a hollow structure, a guide gap 43 is arranged on the inner side of the guide rod support, a guide rod 44 which slides relatively is inserted into the hollow structure of the guide rod support 41, the guide rod 44 is inserted into the hollow structure, a movable pulley 45 is installed at the upper end of the guide rod 44, and the movable pulley 45 is connected with the guide rod 44 through the guide gap 43. The movable pulley 45 and the first fixed pulley 42 are longitudinally arranged correspondingly, a first traction rope 46 is arranged between the movable pulley 45 and the first fixed pulley 42, and the bottom end of the guide rod 44 is connected with the mud suction device 5. The two pulleys are connected through a first traction rope 46, the guide rod 44 is driven by the mud suction device 5 under the drive of the self weight of the mud suction device, the motor 8 tightens the first traction rope 46, and then the mud suction device 5 ascends and descends to stay at a designated position.
The traction device can also shorten the guide rod 44 of the mud suction device 5 through the lifting device 4 after the dredging operation is stopped, and the two devices are horizontally placed on the boat-shaped floating body 3, so that the boat-shaped floating body 3 can sail fast and safely. Specifically, two sets of rotating wheel mechanisms with the number corresponding to that of the guide rod brackets 41 are arranged on the boat-shaped floating body 3, the rotating wheel mechanisms are fixedly installed on the boat-shaped floating body 3 and comprise rotating wheels 47 fixedly arranged at the positions of the boat-shaped floating body 3, each rotating wheel 47 is driven by a motor 8, each rotating wheel 47 is connected with the upper end part of each guide rod bracket 41 through a second traction rope 48, and the middle lower part of each guide rod bracket 41 is hinged with the boat-shaped floating body 3. After the dredging operation of the traction device is stopped, firstly, the motor 8 drives the first fixed pulley 42 to rotate and shorten the first traction rope 46 so that the movable pulley 45 drives the guide rod 44 to lift, and then the mud suction device 5 lifts, and then the motor 8 drives the rotating wheel to rotate and tighten the second traction rope 48 so that the traction device drives the mud suction device 5 to be horizontally placed on the floating body, and therefore the floating body can conveniently and safely sail quickly.
The afterbody of ship type body 3 sets up hull drive arrangement 9, and hull drive arrangement 9 includes screw 91, and first pneumatic cylinder 93 is connected through fluted disc profile of tooth strip drive mechanism 92 to screw 91, drives the profile of tooth strip through first pneumatic cylinder 93 back-and-forth movement and removes, and then drives screw 91 and can 360 degrees rotations, drives ship type body 3.
The hull drive device 9 is further provided with a depth adjusting device 94, the depth adjusting device 94 comprises a second hydraulic cylinder 95 which is longitudinally arranged, one end of the second hydraulic cylinder 95 is connected with the propeller 91, and the other end of the second hydraulic cylinder is relatively fixed with the boat-shaped floating body 3, so that the height of the propeller 91 is adjusted according to the depth of the water level of a river channel, the driving effect is optimal, energy is saved, the environment is protected, and the adaptability is strong.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a river course environmental protection sediment removal device which characterized in that: including ship type body, the one end setting of ship type body inhales the mud device, it includes the silt collecting box to inhale the mud device, silt collecting box upper portion intercommunication sludge filtration case, the sludge filtration case is connected and is taken out the mud hose, take out the other end connection rotor pump of mud hose, power unit is connected to the rotor pump and pumps silt.
2. The river channel environment-friendly dredging device as claimed in claim 1, wherein: the silt collecting box is characterized in that the opening of the silt collecting box downwards collects silt, a screw machine is arranged in the silt collecting box, and sliding wheels are arranged at two ends of the screw machine.
3. The river channel environment-friendly dredging device as claimed in claim 1, wherein: the front end of the sludge collecting box is provided with a filter grid, and two ends of the filter grid are provided with angle adjusting structures for removing stones and foreign matters in the sludge in advance.
4. The river channel environment-friendly dredging device as claimed in claim 1, wherein: one end of the ship-shaped floating body is provided with a lifting device, the mud suction device is connected with the lifting device, the lifting device comprises at least one guide rod support, the guide rod support is connected with the ship-shaped floating body, the guide rod is connected with the guide rod in a sliding mode on the guide rod support, and the bottom end of the guide rod is connected with the mud suction device.
5. The river channel environment-friendly dredging device according to claim 4, wherein: the lifting device comprises two guide rod supports, a first fixed pulley is arranged at the upper end of each guide rod support, the first fixed pulley is opposite to the guide rod supports and fixedly connected with the guide rod supports, the guide rod supports are driven to rotate by a motor, a movable pulley is arranged at the upper end of each guide rod, the movable pulley is longitudinally arranged corresponding to the first fixed pulley, and a first traction rope is arranged between the movable pulley and the first fixed pulley.
6. The river channel environment-friendly dredging device according to claim 5, wherein: the guide rod support is of a hollow structure, a guide gap is formed in one side of the guide rod support, the guide rod is inserted into the hollow structure, and the movable pulley is connected with the guide rod through the guide gap.
7. The river channel environment-friendly dredging device according to claim 4, wherein: the boat-shaped floating body is provided with at least one group of rotating wheel mechanisms, each rotating wheel mechanism comprises a rotating wheel fixedly arranged on the boat-shaped floating body and a motor driving the rotating wheel to rotate, the rotating wheel is connected with the upper end part of the guide rod support through a second traction rope, and the guide rod support is hinged to the boat-shaped floating body.
8. The river channel environment-friendly dredging device according to claim 4, wherein: the tail part of the ship-shaped floating body is provided with a ship body driving device, the ship body driving device comprises a propeller, the propeller is connected with a first hydraulic cylinder through a fluted disc toothed bar transmission mechanism, and the first hydraulic cylinder moves back and forth to drive a toothed bar to move so as to drive the propeller to rotate by 360 degrees.
9. The river channel environment-friendly dredging device according to claim 8, characterized in that: the ship body driving device further comprises a depth adjusting device, the depth adjusting device comprises a second hydraulic cylinder which is longitudinally arranged, one end of the second hydraulic cylinder is connected with the propeller, and the other end of the second hydraulic cylinder is relatively fixed with the ship-shaped floating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429868.XA CN114232708A (en) | 2021-11-29 | 2021-11-29 | River course environmental protection sediment removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111429868.XA CN114232708A (en) | 2021-11-29 | 2021-11-29 | River course environmental protection sediment removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114232708A true CN114232708A (en) | 2022-03-25 |
Family
ID=80751665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111429868.XA Pending CN114232708A (en) | 2021-11-29 | 2021-11-29 | River course environmental protection sediment removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114232708A (en) |
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| JPH05247966A (en) * | 1992-03-06 | 1993-09-24 | Penta Ocean Constr Co Ltd | Obstruction remover |
| CN2323530Y (en) * | 1997-08-26 | 1999-06-09 | 苏德立 | Telescopic type electric lifting frame for TV set |
| CN2388223Y (en) * | 1999-08-17 | 2000-07-19 | 陈义锋 | Amphibian multi-functional excavator |
| CN102530215A (en) * | 2010-12-13 | 2012-07-04 | 曹安柏 | Boat hydraulic motor driving propeller |
| CN108086377A (en) * | 2017-12-31 | 2018-05-29 | 杭州同美水处理技术有限公司 | A kind of dredging mud ship |
| CN207878539U (en) * | 2018-02-09 | 2018-09-18 | 南通航运职业技术学院 | A kind of bath dredger of ship |
| CN110670657A (en) * | 2019-10-09 | 2020-01-10 | 南通万都建设工程有限公司 | Dredging equipment for narrow river channel |
| CN212001351U (en) * | 2020-03-24 | 2020-11-24 | 河北雄安大地正合生态科技有限公司 | A multi-functional ship for dirty cleaning in river and pool end |
| CN212742689U (en) * | 2020-06-19 | 2021-03-19 | 马颖姑 | Efficient water conservancy construction sediment removal device |
| CN213741292U (en) * | 2020-09-15 | 2021-07-20 | 江苏天安永润环境科技有限公司 | River black and odorous water body dredging device |
| CN216892591U (en) * | 2021-11-29 | 2022-07-05 | 罗博思达(上海)流体技术有限公司 | River course environmental protection sediment removal device |
-
2021
- 2021-11-29 CN CN202111429868.XA patent/CN114232708A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05247966A (en) * | 1992-03-06 | 1993-09-24 | Penta Ocean Constr Co Ltd | Obstruction remover |
| CN2323530Y (en) * | 1997-08-26 | 1999-06-09 | 苏德立 | Telescopic type electric lifting frame for TV set |
| CN2388223Y (en) * | 1999-08-17 | 2000-07-19 | 陈义锋 | Amphibian multi-functional excavator |
| CN102530215A (en) * | 2010-12-13 | 2012-07-04 | 曹安柏 | Boat hydraulic motor driving propeller |
| CN108086377A (en) * | 2017-12-31 | 2018-05-29 | 杭州同美水处理技术有限公司 | A kind of dredging mud ship |
| CN207878539U (en) * | 2018-02-09 | 2018-09-18 | 南通航运职业技术学院 | A kind of bath dredger of ship |
| CN110670657A (en) * | 2019-10-09 | 2020-01-10 | 南通万都建设工程有限公司 | Dredging equipment for narrow river channel |
| CN212001351U (en) * | 2020-03-24 | 2020-11-24 | 河北雄安大地正合生态科技有限公司 | A multi-functional ship for dirty cleaning in river and pool end |
| CN212742689U (en) * | 2020-06-19 | 2021-03-19 | 马颖姑 | Efficient water conservancy construction sediment removal device |
| CN213741292U (en) * | 2020-09-15 | 2021-07-20 | 江苏天安永润环境科技有限公司 | River black and odorous water body dredging device |
| CN216892591U (en) * | 2021-11-29 | 2022-07-05 | 罗博思达(上海)流体技术有限公司 | River course environmental protection sediment removal device |
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