CN102650137A - Device is dredged to submarine silt - Google Patents
Device is dredged to submarine silt Download PDFInfo
- Publication number
- CN102650137A CN102650137A CN2012100164996A CN201210016499A CN102650137A CN 102650137 A CN102650137 A CN 102650137A CN 2012100164996 A CN2012100164996 A CN 2012100164996A CN 201210016499 A CN201210016499 A CN 201210016499A CN 102650137 A CN102650137 A CN 102650137A
- Authority
- CN
- China
- Prior art keywords
- water
- bed mud
- clamshell
- work station
- mud dredger
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 230000004308 accommodation Effects 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 abstract description 4
- 239000013049 sediment Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 3
- 239000007924 injection Substances 0.000 abstract 3
- 239000010802 sludge Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000009189 diving Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Classifications
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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
- E02F3/9243—Passive suction heads with no mechanical cutting means
- E02F3/925—Passive suction heads with no mechanical cutting means with jets
-
- 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
- E02F3/8858—Submerged units
- E02F3/8875—Submerged units pulled or pushed
-
- 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
- E02F3/902—Component parts, e.g. arrangement or adaptation of pumps for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe
-
- 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
- E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/006—Dredgers or soil-shifting machines for special purposes adapted for working ground under water not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
A dredging device for underwater silt is provided with a shell body which can sink into the water bottom and is provided with an accommodating space with an opening, at least one suction pipe and a plurality of injection pipes are respectively penetrated and combined on the shell body, the plurality of injection pipes are uniformly distributed on the periphery of the shell body, one end of each injection pipe extends to the edge position of the opening, and then high-pressure water flow is introduced from a work station, so as to impact the water bottom sludge below the opening of the shell cover body to enable the water bottom sludge to be in a floating flowing state, the suction pipe is at least arranged at the central part of the shell cover body, which can maintain a suction force through the workstation to suck and recover the floating-state bottom sediment outwards onto the workstation, the periphery of the shell body can be provided with a counterweight body according to requirements, the workstation can be arranged on a carrier with buoyancy and power according to requirements, and the workstation is provided with a hanging tool which can be connected by a sling to hang the shell body.
Description
Technical field
The relevant a kind of water-bed mud dredger of the present invention refers to a kind of simple structure, operation is convenient and the device of mud at the bottom of the recycle-water efficiently especially.
Background technology
Along with different demands such as mining, sea reclamation, seabeach maintenance, environmental protection regulation and seabed pipe trench constructions, the technology that causes the end, sea (water) to be dredged constantly develops thereupon and upgrades; Early stage common have grab dredger, bucket dredger, cutter suction dredger, drag suction dredger and environmental dredging ship etc., but these legacy equipments exist that wearing and tearing are big, high, the supporting inconvenience of maintenance cost, narrow application range, depth of implements are restricted, can pollute riverbed and the construction restricted problem such as bigger of marching into the arena during operation.
For this reason; Be that " dredging method and dredger " patent case is arranged Chinese CN1235652 number; It has disclosed a kind of dredger, has with atmosphere and buries the housing in water, is connected with this housing and the lower end is provided with the suction pipe of suction portion; With the drainage pump that forms water-head between the discharge of the water in the said housing and the water surface in housing and the outside water surface, dismounting is arranged on said suction pipe position container midway freely; Adopt the dredging method of described dredger; With said drainage pump the water in the said housing is discharged the back and in housing, form the space; Form water-head between the water surface in this housing and the outside water surface; The current that utilize this water-head to produce suck silt particle in the said container from described suction pipe.Though this kind device can be used in mud, the silt particle that dredging is deposited in reservoir, lakes and marhshes or bay, this apparatus structure is too complicated, power consumption is high, maintenance cost is high, therefore has the significant improvement space.
Other has TaiWan, China patent announcement M386319 number " fine sediment of reservoir agitating device " patent case; It is in a diving cage, to be provided with a submerged pump and some mud flushing tubes; This submerged pump draws water with a purt water portion and sprays towards diving cage below with water spray portion; Each mud flushing tube is respectively at being arranged in around the submerged pump in the diving cage, and blurting out of each mud flushing tube is positioned at the bottom of this diving cage, and wears a high-pressure air pipe in each mud flushing tube; And the novel patent case of TaiWan, China patent announcement M387101 number " mud stir device "; It consists predominantly of a penstock; One be hubbed at the penstock bottom with air tight manner water spraying structure, utilize plural radial connecting rod to be fixedly arranged on the jet structure of penstock bottom centre and always pierce into water conduit and be communicated in the air inlet pipe of jet structure; Wherein, This penstock and air inlet pipe are extended towards water surface direction respectively, for being connected to high-pressure water and high pressurized gas, and then water under high pressure and pressure-air are imported respectively in water spraying structure and the jet structure; And difference is simultaneously with rotation mode in operation, and the water column and the air-flow of silting impacted in the high pressure ejection.These two kinds of structures have only disclosed the mud stirring mechanism merely; And relevant recovery structure is not had clear and definite explanation, therefore, it still has its shortcoming part on using, simultaneously; The mechanism of its submerged (submerged pump, hydraulic motor) not only has great weight; Operation inconvenience when causing the shift position easily, and inconvenience is also arranged in its power supply (fuel feeding) and the control more, form the disappearance on using.
TaiWan, China patent announcement I313315 number " the deepwater dredging device of environmental protection technical field " patent of invention case is arranged again; It comprises that gasholder, air exhauster, controller, compression pump, mud pipe, tracheae, force pipe, dredging tube, mud sucking cover, suction bucket, mud filter and mud valve etc. are partly; This gasholder joins by tracheae and air exhauster, and air exhauster joins with controller and mud filter respectively by tracheae, and the tracheae that wherein joins with mud filter is positioned at the upper end of mud filter; Lead directly to into mud filter and be suspended on its inside; Controller joins by tracheae and compression pump, and compression pump joins by force pipe and mud sucking cover, and mud sucking cover joins by dredging tube and mud filter; And the top at dredging tube is connected to mud valve, and the top and the mud pipe of mud filter join; Though the more above-mentioned traditional mechanism of this kind structure has smaller size smaller, in practical application, this gasholder still has very big and unhandy volume, and mechanisms such as its compression pump, air exhauster also have heavier weight, is unfavorable for operation.
Because seen stir device or dredger of various mud above-mentioned shortcoming is arranged, the inventor is the road to those shortcoming research improvement, has the present invention to produce finally.
Summary of the invention
Main purpose of the present invention is to provide a kind of water-bed mud dredger, and it can suitably dwindle overall volume, and effectively reduces construction weight, is beneficial to operational light and handy and convenience.
Another purpose of the present invention is to provide a kind of water-bed mud dredger, and it can impact water-bed mud action with a plurality of playpipes simultaneously, with effective lifting mud or sedimental organic efficiency.
Another object of the present invention is to provide a kind of water-bed mud dredger, and they can be in response to different demands, and changes the clamshell body structure with different playpipe quantity, to reach the optimized combination of equipment effectiveness.
For reaching above-mentioned purpose and effect; Its practiced technological means comprises: a kind of water-bed mud dredger; It comprises at least: a clamshell body is provided with one and has the accommodation space of opening, and is provided with at least one counterweight anchor clamps and at least one balance weight body; These counterweight anchor clamps are incorporated into this clamshell body week side, and this balance weight body of clamping; At least one suction tube is incorporated on this clamshell body, and the one of which end runs through this clamshell body, and is communicated in this accommodation space, and the other end of this suction tube is communicated to a work station via a suction catheter; At least one playpipe is incorporated on this clamshell body, and the one of which end runs through this clamshell body and stretches in the accommodation space, and the other end of this playpipe is communicated to this work station via a water under high pressure conduit; This work station provides High-Pressure Water to spray via the opening of water under high pressure conduit to playpipe to the clamshell body, and this work station can make this suction tube produce suction force via suction catheter.
Said playpipe is most and is uniformly distributed in submarginal position in the opening of clamshell body.
Said work station is arranged at one to have on the carrier of buoyancy.
Said carrier is one to have the ship of power.
Said suction tube is provided with a pump orifice in an end that is communicated with accommodation space, and this pump orifice is provided with a filter screen.
Said suction tube is arranged at the cancave cambered surface top of this clamshell body.
The all sides of said suction tube are provided with at least one suspension ring, and this suspension ring confession work station is hung tool and hoist cable binding via one and hung from above.
Said hoist cable end is provided with a coupler body, is held in the suspension ring for hook.
Said balance weight body removably is incorporated on the counterweight anchor clamps.Said balance weight body and said counterweight anchor clamps are most and be uniformly distributed in the opening outer circumferential side of clamshell body.Said counterweight anchor clamps are two cylindrical body that extend in parallel, and on two cylindrical body, are concaved with a groove road relatively, and this balance weight body is at least one plates, and these plates two sides can be stretched in the two groove roads and are able to be positioned between this two cylindrical body.
Compared with prior art, the beneficial effect that the present invention had is: the present invention only is made up of a clamshell body, suction tube, playpipe and work station, and is simple in structure, the corresponding complete machine weight that also reduced; Work station of the present invention also can be arranged at one to have on the carrier of buoyancy, thereby makes the volume of mechanism of the present invention littler, and weight is lighter, and it is lighter and handier, convenient to operate.
Understand for above-mentioned purpose of the present invention, effect and feature can be obtained more specifically, be described as follows according to attached drawings now.
Description of drawings
Fig. 1 is clamshell body of the present invention and associated component organigram thereof.
Fig. 2 is clamshell body of the present invention, suction tube and playpipe sectional structure chart.
Fig. 3 is a mode of operation sketch map of the present invention.
Fig. 4 is clamshell body of the present invention and associated component dredging action sketch map thereof.
Label declaration:
1..... clamshell body;
11.... accommodation space;
2..... suction tube;
21.... suction catheter;
22.... suspension ring;
23.... pump orifice;
24.... filter screen;
3..... playpipe;
31.... water under high pressure conduit;
32.... jet;
4..... balance weight body;
41.... counterweight anchor clamps;
411... cylindrical body;
412... groove road;
5..... work station;
51.... carrier;
52.... hang tool;
521... hoist cable;
522... coupler body.
The specific embodiment
See also Fig. 1 to shown in Figure 4, can find out that obviously the present invention mainly comprises: parts such as clamshell body 1, suction tube 2, playpipe 3, balance weight body 4 and work station 5; Wherein this clamshell body 1 is provided with an arc indent and has the accommodation space 11 of opening; One suction tube 2 runs through the central authorities (cancave cambered surface top) that are incorporated into this clamshell body 1, and is communicated in this accommodation space 11 via a pump orifice 23, and is provided with a filter screen 24 in this pump orifice 23; The other end of suction tube 2 then is communicated to work station 5 via a suction catheter 21; And be provided with the suspension ring 22 that can freely pivot in these suction tube 2 all sides, most playpipes 3 run through all sides that are incorporated into this clamshell body 1, and each stretch into the one of which end and evenly distributed periphery in this accommodation space 11 near opening part; To form a jet 32 respectively; The other end of each playpipe 3 then is communicated to this work station 5 via a water under high pressure conduit 31, and balance weight body 4 is incorporated on the clamshell body 1 via the evenly distributed counterweight anchor clamps 41 in accommodation space 11 opening outer circumferential sides of majority, and these counterweight anchor clamps 41 are two cylindrical body 411 that extend in parallel; And on two cylindrical body 411, be concaved with a groove road 412 relatively; This balance weight body 4 is at least one plates, and these plates two sides can be stretched into respectively in the two groove roads 412 and is able to be positioned between this two cylindrical body 411, and when practical application; This balance weight body 4 can be divided into most plates; And comply with different demands and the balance weight body 4 of slotting embedding varying number, and form different counterweight weight, work station 5 can form and link with this suction catheter 21, water under high pressure conduit 31; Its inside can produce the strong pumping power to suction catheter 21 via pump or similar means; Can High-Pressure Water be imported in each water under high pressure conduit 31 simultaneously, when practical application, this work station 5 can have on the carrier 51 (can be steel hulled boat) of buoyancy and power according to being arranged at one; And be provided with one in this work station 5 (or carrier 51) and hang tool 52; This is hung tool 52 and can connect via a hoist cable 521 and drive a coupler body 522, but and these coupler body 522 hooks be held in this suspension ring 22, be able to this clamshell body 1 of hanging and sink under water and make this hang tool 52.
Said structure is when operation, and work station 5 imports High-Pressure Water to each playpipe 3 via water under high pressure conduit 31, and forms the water cutter by each jet 32 ejection; Benthal deposit or mud with impingement cover body 1 opening below; Make it be floating flow regime, then, the pump orifice 23 of suction tube 2 can its powerful suction force be drawn the benthal deposit or the mud of this floating flow regime; Be recycled on this work station 5 again through filter screen 24, and by suction catheter 21 outside suctions; Simultaneously, hang the pivot of tool 52 or move, can make this clamshell body 1 according to different demands and move to other diverse location or the degree of depth by this.
Moreover; Because general water-bed mud or deposit, it receives the effect of top pressure (water, mud or sedimental weight) bigger in the dark position of healing, cause its density bigger; And its hardness is also higher; Therefore the water cutter of pressure or comparatively dense impacts greatly, and the side gets so that this mud or deposit form loose floating state, is beneficial to the suction of suction tube 2; So; Clamshell body 1 of the present invention can be provided with the playpipe 3 of varying number (for example: 5,10 or 20) according to different demands; Make it produce required relatively water cutter impact force, and then reach best recovering effect in response to the mud of different depth, hardness or deposit.
Comprehensive the above, the water-bed mud dredger of the present invention really can be reached simplified structure, easy operating, and can promote the effect of organic efficiency, is the invention of a tool novelty and progressive in fact, the whence proposes application for a patent for invention in accordance with the law.
Claims (11)
1. water-bed mud dredger is characterized in that comprising at least:
One clamshell body is provided with one and has the accommodation space of opening, and is provided with at least one counterweight anchor clamps and at least one balance weight body, and these counterweight anchor clamps are incorporated into this clamshell body week side, and this balance weight body of clamping;
At least one suction tube is incorporated on this clamshell body, and the one of which end runs through this clamshell body, and is communicated in this accommodation space, and the other end of this suction tube is communicated to a work station via a suction catheter;
At least one playpipe is incorporated on this clamshell body, and the one of which end runs through this clamshell body and stretches in the accommodation space, and the other end of this playpipe is communicated to this work station via a water under high pressure conduit;
This work station provides High-Pressure Water to spray via the opening of water under high pressure conduit to playpipe to the clamshell body, and this work station can make this suction tube produce suction force via suction catheter.
2. water-bed mud dredger according to claim 1 is characterized in that, said playpipe is most and is uniformly distributed in submarginal position in the opening of clamshell body.
3. water-bed mud dredger according to claim 1 is characterized in that, said work station is arranged at one to have on the carrier of buoyancy.
4. water-bed mud dredger according to claim 3 is characterized in that, said carrier is one to have the ship of power.
5. water-bed mud dredger according to claim 1 is characterized in that, said suction tube is provided with a pump orifice in an end that is communicated with accommodation space, and this pump orifice is provided with a filter screen.
6. water-bed mud dredger according to claim 1 is characterized in that said suction tube is arranged at the cancave cambered surface top of this clamshell body.
7. water-bed mud dredger according to claim 6 is characterized in that, all sides of said suction tube are provided with at least one suspension ring, and this suspension ring confession work station is hung tool and hoist cable binding via one and hung from above.
8. water-bed mud dredger according to claim 7 is characterized in that said hoist cable end is provided with a coupler body, is held in the suspension ring for hook.
9. water-bed mud dredger according to claim 1 is characterized in that said balance weight body removably is incorporated on these counterweight anchor clamps.
10. water-bed mud dredger according to claim 9 is characterized in that, said balance weight body and said counterweight anchor clamps are most and be uniformly distributed in the opening outer circumferential side of clamshell body.
11. water-bed mud dredger according to claim 9; It is characterized in that; Said counterweight anchor clamps are two cylindrical body that extend in parallel; And on two cylindrical body, be concaved with a groove road relatively, and this balance weight body is at least one plates, and these plates two sides can be stretched in the two groove roads and is able to be positioned between this two cylindrical body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100106303 | 2011-02-25 | ||
| TW100106303A TW201235528A (en) | 2011-02-25 | 2011-02-25 | Water bottom sediment dredging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102650137A true CN102650137A (en) | 2012-08-29 |
Family
ID=46692255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100164996A Pending CN102650137A (en) | 2011-02-25 | 2012-01-19 | Device is dredged to submarine silt |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20120216435A1 (en) |
| CN (1) | CN102650137A (en) |
| TW (1) | TW201235528A (en) |
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|---|---|---|---|---|
| CN105586998A (en) * | 2015-12-21 | 2016-05-18 | 中山大学 | Novel scouring and absorbing type sand pumping head |
| CN105862951A (en) * | 2016-05-27 | 2016-08-17 | 明光市留香泵业有限公司 | Mud crushing and sucking device |
| CN106087855A (en) * | 2016-06-16 | 2016-11-09 | 上海交通大学 | A kind of fluidisation based on silt rheology promotees flushing device |
| CN106381893A (en) * | 2016-11-14 | 2017-02-08 | 山东省路桥集团有限公司 | Gas lift sludge sucking equipment |
| CN107724451A (en) * | 2017-11-27 | 2018-02-23 | 徐州华显凯星信息科技有限公司 | A kind of hydraulic engineering desilting equipment stirring-head |
| CN109289262A (en) * | 2018-11-12 | 2019-02-01 | 广东省源天工程有限公司 | A kind of the dredging discharge technology and its equipment in heavy silt pond |
| CN109610544A (en) * | 2018-11-30 | 2019-04-12 | 付慧丽 | A kind of anti-clogging sand pumping machine tool for taking out sand tube with multiple groups |
| CN109667306A (en) * | 2019-01-22 | 2019-04-23 | 天津市管道工程集团有限公司 | Pneumatic type stirs suction Accrete clearing device |
| CN109759387A (en) * | 2019-01-15 | 2019-05-17 | 长沙理工大学 | It is a kind of for clearing up the device of silt on coral reef |
| CN110344461A (en) * | 2019-06-28 | 2019-10-18 | 长春市城建维护股份有限公司 | Constructing device is used in a kind of build of river |
| CN110878568A (en) * | 2018-09-05 | 2020-03-13 | 中国石油天然气集团有限公司 | Vacuum mud suction barrel |
| CN111719617A (en) * | 2020-06-24 | 2020-09-29 | 天津大学 | Underwater bottom mud closed dredging device and method |
| CN112302042A (en) * | 2020-10-23 | 2021-02-02 | 中国五冶集团有限公司 | Mud sucking and sand pumping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2507179A4 (en) * | 2009-12-01 | 2014-10-15 | Thomas J Kryzak | Environmental remediation system |
| ITRN20130019A1 (en) * | 2013-05-30 | 2014-12-01 | Paolo Giglioli | EQUIPMENT AND DRAWING METHOD FOR BACKGROUNDS ON WHICH THERE ARE POLLUTANT AND / OR TOXIC SUBSTANCES |
| US11162240B2 (en) * | 2016-03-03 | 2021-11-02 | Deepwater Corrosion Services, Inc. | Hydraulic excavation and delivery device |
| CN106149783A (en) * | 2016-06-16 | 2016-11-23 | 山东省水利科学研究院 | A kind of urban water conservancy project Accrete clearing device |
| US11674286B2 (en) | 2016-08-12 | 2023-06-13 | J.F. Brennan Company, Inc. | Dredge head assembly and related diver-assisted dredging system and methods |
| US20200318313A1 (en) * | 2019-04-04 | 2020-10-08 | Richard E Asherman | Excavator bucket for underwater use |
| GB202007660D0 (en) | 2019-11-18 | 2020-07-08 | Harwich Haven Authority | Dredging method and apparatus |
| CN114607000B (en) * | 2022-02-17 | 2024-03-01 | 怀化市康美悦信息科技有限公司 | Underwater dredging machine for water conservancy construction |
| CN114775717A (en) * | 2022-04-28 | 2022-07-22 | 嵊州市浙江工业大学创新研究院 | Mud suction device with mud cutter |
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- 2011-02-25 TW TW100106303A patent/TW201235528A/en unknown
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- 2012-01-19 CN CN2012100164996A patent/CN102650137A/en active Pending
- 2012-02-14 US US13/372,832 patent/US20120216435A1/en not_active Abandoned
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| US4127950A (en) * | 1977-06-02 | 1978-12-05 | Brown & Root, Inc. | Bottom jetting device |
| CN2356069Y (en) * | 1998-11-03 | 1999-12-29 | 卞仲贤 | Hydraulic mud digging boat |
| US20040148813A1 (en) * | 2003-02-05 | 2004-08-05 | Ea Engineering Science And Technology, Inc. | Dredging method and apparatus |
| CN2737839Y (en) * | 2004-10-23 | 2005-11-02 | 吴方春 | High-pressure water cutter suction head for dredger |
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Also Published As
| Publication number | Publication date |
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| US20120216435A1 (en) | 2012-08-30 |
| TW201235528A (en) | 2012-09-01 |
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