CN103526791B - The strand of water channel self-travel type inhales Accrete clearing device and driving method - Google Patents
The strand of water channel self-travel type inhales Accrete clearing device and driving method Download PDFInfo
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- CN103526791B CN103526791B CN201310529890.0A CN201310529890A CN103526791B CN 103526791 B CN103526791 B CN 103526791B CN 201310529890 A CN201310529890 A CN 201310529890A CN 103526791 B CN103526791 B CN 103526791B
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Abstract
The invention discloses a kind of strand being suitable for drawing the artificial water channel self-travel type of yellow water transfer, project of South-to-North water diversion and inhale Accrete clearing device and driving method.Spiral case arranges the strand mud impeller that waterpower promotes, spiral case periphery arranges the water inlet pipe promoting impeller, mud mouth is inhaled being centrally formed of impeller, it is connected with the dredging tube mouth on spiral case side, the side that spiral case periphery is relative with water inlet pipe arranges mud inlet, the water inlet pipe input High-Pressure Water utilizing water injecting pump to arrange from spiral case, promotes the wheel rotation in spiral case, the mix and blend that added water by mud bottom water channel is sposh shape, from the suction mud mouth sludge pump sucking-off of impeller central authorities.Its simple in construction, moving parts are few, reliable, and the few efficiency of power consumption is high, have from walking function and strong adaptability, with various desilting boats and ships with the use of, solve the professional project of the artificial water channel dredging operation drawing yellow water transfer or project of South-to-North water diversion.
Description
Technical field
The invention discloses and a kind of be suitable for drawing yellow water transfer, the artificial water channel desilting equipment of project of South-to-North water diversion, particularly from
The strand of walking inhales Accrete clearing device and driving method.
Background technology
The history drawing yellow water transfer or project of South-to-North water diversion is the longest, and wherein water channel is all the big-and-middle of hand excavation greatly
Type channel.The dredging machinery being specifically designed to these water channels is little, and the most all using the pool, lake, existing river course machines for mud clearage is
Its dredging operation.Such as SLQY-30 type Amphibious type silt remover, has land monobucket hydraulic excavating and excavation dual characteristics waterborne.
This machine makees body with flatboat, and limit buoyancy tank increases buoyancy, equipped with 4 supporting legs with marsh wheel controlled by hydraulic jack, and can
Either synchronously or asynchronously action, positions for use as excavation waterborne and imitates sea turtle type and creep.Equipment is hydraulic hoe, and slew gear is
Rotary-column type, directly can unload the mud dug out in bank.When river is wider, water surface area is bigger, answers Secondary Transport or be equipped with mud
Refute.Provide propeller for oneself, can be from boat transfer work place in water.This machine is mainly used in small and medium river channel and the excavation of the row's of filling irrigation canals and ditches
With desilting, marshland excavation, Jun Hu, Wa Tang, the operation such as remove contamination；SLXQY-40 type amphibious strand suction silt remover is that fluid pressure type passes
Dynamic, operate light and flexible, reliable operation.This car has the feature of cutter suction dredger, the air buoyancy tank crawl structure of low grounding pressure.
The puddles of water is amphibious, can on the way, marshland travel, can come in and go out voluntarily waters and in water floating boat.Equipped with detent mechanism on machine, with reality
Existing station changes and location.Operation is stable, need not cast anchor.As long as minimum depth can guarantee that twisting sucker head space, Ji Kekai during operation
Beginning operation.This machine can be used for desilting and the regulation of marshland channel excavation, gutter and small and medium river channel；Helix drum submersible type
Silt remover ASLL type helix drum submersible type silt remover is by mud-sucking device, defeated mud system, walking mechanism, control system 4 part group
Become.Mud-sucking device is made up of diving slurry pump mud collector.Walking mechanism is made up of 2 spiral-tubes, 2 motors drive respectively,
By the combination of positive and negative rotation, it is achieved advance in mud, walk crosswise, the action such as turning.This machine also has good grade climbing performance,
Can be come in and gone out waters voluntarily.Helix drum has certain buoyancy in muddy water, makes the ground pressure that the holding of machine bottom surface is certain, makes
Complete machine driving stability.Only need 1 people to operate at the side of a pond during work, by control system, make silt remover slip into voluntarily at the bottom of the pool, can limit row
Walk limit and collect mud.Mud is sent into the defeated mud system bubbled through the water column and is discharged outside the pool by slush pump, also can increase (thick) bank slope.Dress
Gluing wheel, this machine can be at depression short distance manpower movement, it is also possible to other mechanical drag.The machine is applicable in the case of there is water in fish pond clear
Become silted up, also can be used for the desilting of the waters such as reservoir, channel.Above-mentioned existing dredging machinery is respectively arranged with speciality, but all unsuitable for
In drawing yellow water transfer or the artificial water channel dredging operation of project of South-to-North water diversion.In the face of the greatest hydraulic engineering, in the urgent need to having
The strong adaptability of a kind of tailored version, the most efficiently, requires low machines for mud clearage to external condition.
Summary of the invention
It is an object of the invention to provide a kind of being suitable for and draw yellow water transfer or the artificial water channel desilting of project of South-to-North water diversion
The strand of the self-travel type of operation inhales Accrete clearing device and driving method.
The technology design of the present invention is: arranging the strand mud impeller that waterpower promotes in the spiral case of horizontal, spiral case periphery arranges and pushes away
The water inlet pipe of movable vane wheel, inhales mud mouth being centrally formed of impeller, is connected with the dredging tube mouth on spiral case side, spiral case periphery
The side relative with water inlet pipe arranges mud inlet, and this mud inlet makes impeller expose spiral case, it is simple to agitation mud and leaf
The suction mud mouth of wheel central authorities draws mud.
The working mechanism of the present invention is: the water inlet pipe input High-Pressure Water utilizing water injecting pump to arrange from spiral case, promotes spiral case
In wheel rotation, the mix and blend that added water by the mud bottom water channel is sposh shape, from impeller central authorities suction mud mouth mud
Being pumped out, what side relative with water inlet pipe on spiral case was arranged is easy to the mud inlet of impeller agitation mud, constantly by new silt
Mud agitation sucks, and while agitation sucks, moving of mudflow accelerates the rotation of impeller, the water inlet pipe side of spiral case and mud inlet
The pressure reduction that side is formed, promotes spiral case to mud inlet one side shifting, constantly new mud agitation is sucked, and so circulation is past
Multiple, the strand forming self-travel type inhales Accrete clearing device.
Depending on above inventive concept and working mechanism are practical situation based on the present invention, the bottom surface of i.e. artificial water channel is all
Relatively flat, it mostly is building, lining cutting or concrete clad can, its sediment deposit is relative to regular uniform, it is simple to this self-walking machinery makes
With.
The concrete technical scheme completing the object of the invention is:
Spiral case is flat, is provided with the impeller of rotating shaft in spiral case, and spiral case periphery arranges the water inlet pipe promoting impeller；Leaf
The central space of wheel is constituted inhales mud mouth, is connected with the dredging tube mouth at center, spiral case side, in spiral case periphery and water inlet pipe phase
To side mud inlet is set, this mud inlet makes impeller expose spiral case, it is simple to agitation mud and impeller central authorities suction
Mud mouth draws mud.
Spiral case is flat round table-like or covers peviform, and bottom and spiral case periphery, in closing or semi-closed state, promote impeller
Water inlet pipe is smooth excessiveness connection along spiral case circumferential edge tangent line, and the mud inlet that the side relative with water inlet pipe is arranged, for along snail
Shell circumferential edge is the opening of circular shape, and the center, side of spiral case arranges the dredging tube mouth can being connected with sludge pump, described
Dredging tube mouth is circular.
The impeller arranged in spiral case, is made up of the circular impeller base connecting blade, and radially, center cavity is to inhale to impeller
Mud mouth, there is rotating shaft at circular impeller base center, embeds the axle sleeve bottom spiral case, and be rotating connection status with it.
The shape of blade can be plane, curved surface or helical form, can refer to centrifugal blower, centrifugal water pump structure, takes into account
Blade one side, by the water impact of the water inlet pipe promoting impeller, produces turning moment, and one side also to have the cutting to mud and stir
Kinetic force, also to have unimpeded slurry channel between blade.
In sum, the strand of a kind of water channel self-travel type inhales Accrete clearing device, it is characterized in that: include spiral case, arranges in spiral case
Impeller, spiral case periphery arranges the water inlet pipe promoting impeller；The central authorities of impeller arrange suction mud mouth, with the suction mud at center, spiral case side
The mouth of pipe is connected, and the side relative with water inlet pipe at spiral case periphery arranges the mud inlet making impeller expose spiral case.
Described spiral case is flat round table-like or covers peviform, and bottom and spiral case periphery, in closing or semi-closed state, promote
The water inlet pipe of impeller is smooth excessiveness connection along spiral case circumferential edge tangent line；
The mud inlet that the described side relative with water inlet pipe is arranged, for being opening of circular shape along spiral case circumferential edge
Mouthful；
The centrally disposed dredging tube mouth in the side of described spiral case is circular, relative with the space of impeller central constitutes mud
Moving conduit；
The impeller arranged in described spiral case, is made up of the circular impeller base connecting blade, and radially, center is empty for impeller
Chamber is to inhale mud mouth, and there is rotating shaft at circular impeller base center, embeds the axle sleeve bottom spiral case, and be rotating connection status with it.
The shape of described blade can be plane, curved surface or helical form.
In order to reduce the frictional force bottom the Accrete clearing device spiral case of the present invention, and contact with mud formed vacuum and
Hydraulic pressure, spiral case periphery can be installed skid or pulley, skid or pulley and directly contact with at the bottom of canal, to reduce the resistance of motion, it is simple to
From walking.If desired through hole is being set bottom the spiral case of water inlet pipe, is utilizing the High-Pressure Water of water inlet pipe to reduce this desilting dress
Put the frictional force bottom spiral case, and contact the vacuum and water pressure formed with mud.
For the direction of motion of the Accrete clearing device spiral case of the stable present invention, can on spiral case installation direction rudder.
During work, the dredging tube mouth that the side of spiral case is centrally disposed is connected with sludge pump, the water inlet pipe that spiral case periphery is arranged
It is connected with water injecting pump outlet.The water inlet pipe that high-pressure hydraulic pump is arranged from spiral case periphery injects current, promotes wheel rotation, and impeller is even
Mud carries out together cutting agitation with current, and sludge pump, will the mud of agitation through the centrally disposed dredging tube mouth in the side of spiral case
Slurry sucking-off from the suction mud mouth of impeller central, is directly injected to water channel dam body domatic, and the negative pressure that sucking-off mud produces makes spiral case
To mud inlet one lateral movement, constantly the mud in its front is stirred and suck, form mode of operation of automatically walking.The present invention can make
Twisting sucker head for dredger uses, and is suspended in channel with the lifting arm on dredger, desilting of being close at the bottom of canal to walk about voluntarily, produces
Raw driving force can slowly drag dredger follow-up, and constantly shift operation is advanced.
By foregoing invention content, the control technical scheme of the present invention can be summed up: the strand of a kind of water channel self-travel type
Inhaling the driving method of Accrete clearing device, it is characterized in that arranging in spiral case impeller, spiral case periphery arranges the water inlet pipe promoting impeller；Leaf
The central authorities of wheel arrange suction mud mouth, are connected with the dredging tube mouth at center, spiral case side, relative with water inlet pipe at spiral case periphery
Side arranges the mud inlet making impeller expose spiral case, utilizes the water inlet pipe input High-Pressure Water that water injecting pump is arranged from spiral case,
Promoting the wheel rotation in spiral case, the mix and blend that added water by the mud bottom water channel is sposh shape, from the suction mud of impeller central authorities
Mouth uses sludge pump sucking-off, and what side relative with water inlet pipe on spiral case was arranged is easy to the mud inlet of impeller agitation mud, constantly
New mud agitation being sucked, while agitation sucks, the rotation of impeller is accelerated in the motion of mudflow, the water inlet pipe side of spiral case with
The pressure reduction that mud inlet side is formed, promotes spiral case to mud inlet one side shifting, constantly new mud agitation is sucked, so
Move in circles, form self-travel type strand and inhale the driving force of Accrete clearing device.
The present invention can inhale mud coordinative composition of equipments with various desiltings, such as spiral slush pump, vacuum sludge pump, centrifugal sludge pump etc..
As long as high pressure water-injection pump meets its pressure flow index, less demanding to kind model.The highest to supporting power demand, general
Logical diesel engine, motor, be especially suitable for not having use in the environment of electrical source of power.
The invention has the beneficial effects as follows simple in construction, moving parts are few, reliable, and the few efficiency of power consumption is high, has voluntarily
Stop & go function and strong adaptability, with various desilting boats and ships with the use of, solve and draw yellow water transfer or the artificial water of project of South-to-North water diversion
The professional project of canal dredging operation.
Accompanying drawing explanation
Accompanying drawing 1 is the structural front view of the present invention.
Accompanying drawing 2 is the structure top view of the present invention.
Accompanying drawing 3 is that the A-A of accompanying drawing 1 is to profile.
Accompanying drawing 4 is the upward view of accompanying drawing 1, is semi-closed state for bottom and spiral case periphery described in embodiments of the invention two
Structure chart.
Accompanying drawing 5 is the upward view of accompanying drawing 1, is totally-enclosed connection for bottom described in embodiments of the invention one with spiral case periphery
The structure chart of state.
Accompanying drawing 6 is the present invention and dredger and the structural representation of coordinative composition of equipments.
In figure: bottom 1-spiral case, 2-dredging tube mouth, 3-skid, 4-water inlet pipe, 5-impeller, 6-rudder, 7-, 8-impeller
Seat, 9-hypotenuse, 10-hull, 11-water injecting pump, 12-suction hose, 13-sludge pump, 14-discharge pipeline, 15-lifting arm, 16-twist suction
Accrete clearing device.
Detailed description of the invention
Embodiment one, referring to the drawings 1,2,3,5.
The strand of a kind of water channel self-travel type inhales Accrete clearing device, it is characterized in that: include spiral case 1, arranges impeller 5, snail in spiral case
Shell periphery arranges the water inlet pipe 4 promoting impeller；The central authorities of impeller arrange suction mud mouth, with the dredging tube mouth 2 at center, spiral case side
Being connected, the side relative with water inlet pipe at spiral case periphery arranges the mud inlet making impeller expose spiral case.
Described spiral case is flat round table-like, and bottom 7 and spiral case periphery are closed state, promotes water inlet pipe 4 edge of impeller
Spiral case 1 circumferential edge tangent line is smooth excessiveness connection；
Described bottom 7 and spiral case periphery are closed state, refer to bottom spiral case with spiral case periphery in closing connection status；
The mud inlet that the described side relative with water inlet pipe is arranged, for being opening of circular shape along spiral case circumferential edge
Mouthful；
The described at least side of the opening in circular shape is wedge shaped with spiral case bottom surface, it is simple to during wheel rotation, agitation consolidates
Body foreign material, along the hypotenuse 9 of wedge shape along dial-out, prevent from being stuck at mud inlet.
The centrally disposed dredging tube mouth 2 in the side of described spiral case is circular, relative with the space of impeller central constitutes silt
Mud moving conduit；
In described spiral case arrange impeller 5, by connect blade circular impeller base 8 constitute, impeller radially, center
Cavity is to inhale mud mouth, and there is rotating shaft at circular impeller base center, embeds the axle sleeve of 7 bottom spiral case, is rotating with it and is connected shape
State.
The shape of described blade is plane.
Spiral case periphery can install skid 3, and skid directly contacts with at the bottom of canal, to reduce the resistance of motion, it is simple to from walking.
Bottom the spiral case of water inlet pipe 7, through hole is set.
Installation direction rudder 6 on spiral case.
Embodiment two, referring to the drawings 1,2,3,4.
The strand of a kind of water channel self-travel type inhales Accrete clearing device, it is characterized in that: include spiral case 1, arranges impeller 5, snail in spiral case
Shell periphery arranges the water inlet pipe 4 promoting impeller；The central authorities of impeller arrange suction mud mouth, with the dredging tube mouth 2 at center, spiral case side
Being connected, the side relative with water inlet pipe at spiral case periphery arranges the mud inlet making impeller expose spiral case.
Described spiral case is in covering peviform, and bottom and spiral case periphery are semi-closed state, promotes the water inlet pipe of impeller along spiral case
Circumferential edge tangent line is smooth excessiveness connection；
Described bottom 7 is semi-closed state with spiral case periphery, refers to that the part leaning on water inlet pipe bottom spiral case is and spiral case
Periphery is in closing connection status, and the part by mud inlet is the open interval connected with mud inlet；
The mud inlet that the described side relative with water inlet pipe 4 is arranged, for being opening of circular shape along spiral case circumferential edge
Mouthful；
The centrally disposed dredging tube mouth 2 in the side of described spiral case 1 is circular, relative with the space of impeller central constitutes silt
Mud moving conduit；
In described spiral case arrange impeller 5, by connect blade circular impeller base 8 constitute, impeller radially, center
Cavity is to inhale mud mouth, and there is rotating shaft at circular impeller base center, embeds the axle sleeve of 7 bottom spiral case, is rotating with it and is connected shape
State.
The shape of described blade is curved surface.
Spiral case periphery can install pulley, and pulley directly contacts with at the bottom of canal, to reduce the resistance of motion, it is simple to from walking.
Through hole is set bottom the spiral case of water inlet pipe 7, utilizes the High-Pressure Water of water inlet pipe to reduce this Accrete clearing device snail
Frictional force bottom shell, and the vacuum and water pressure formed is contacted with mud.
Installation direction rudder 6 on spiral case.
The adjustable structure that rudder is movably connected around spiral case, in order to according to the direct of travel of Accrete clearing device and water
Flow to, the position of adjustment direction rudder.
Embodiment three, referring to the drawings 1,2,3,6.
The water channel dredger of a kind of self-propelled, including hull 10, power-equipment and defeated mud mechanism, is characterized in that:
Sludge pump 13 and water injecting pump 11, sludge pump and water injecting pump are set on dredger and connect the strand suction Accrete clearing device 16 from walking, described
Strand inhale Accrete clearing device and include the spiral case 1 of horizontal is arranged the strand mud impeller 5 that waterpower promotes, spiral case periphery arranges and promotes impeller
Water inlet pipe 4, impeller be centrally formed suction mud mouth, with spiral case side in the middle of dredging tube mouth 2 be connected, spiral case periphery with enter
The side that water pipe 4 is relative arranges mud inlet, and this mud inlet makes impeller expose spiral case, it is simple in agitation mud and impeller
The suction mud mouth of centre draws mud, and twisting sucker head connects wirerope and is connected with crane lifting arm 15, constitutes fixing connection with hull.
Claims (9)
1. the strand of water channel self-travel type inhales a driving method for Accrete clearing device, it is characterized in that arranging in spiral case impeller, spiral case week
While arrange the water inlet pipe promoting impeller；The central authorities of impeller arrange suction mud mouth, are connected with the dredging tube mouth at center, spiral case side,
The side relative with water inlet pipe at spiral case periphery arranges the mud inlet making impeller expose spiral case, utilizes water injecting pump to set from spiral case
The water inlet pipe input High-Pressure Water put, promotes the wheel rotation in spiral case, and the mix and blend that added water by the mud bottom water channel is dilute
Pureed, from the suction mud mouth sludge pump sucking-off of impeller central authorities, what side relative with water inlet pipe on spiral case was arranged is easy to impeller
The mud inlet of agitation mud, constantly sucks new mud agitation, and while agitation suction, impeller is accelerated in the motion of mudflow
Rotating, the pressure reduction that the water inlet pipe side of spiral case is formed with mud inlet side, promotion spiral case is to mud inlet one side shifting, constantly
New mud agitation is sucked, so moves in circles, form self-travel type strand and inhale the driving force of Accrete clearing device.
2. the strand of water channel self-travel type inhales an Accrete clearing device, it is characterized in that: include spiral case, arranges impeller, spiral case week in spiral case
While arrange the water inlet pipe promoting impeller；The central authorities of impeller arrange suction mud mouth, are connected with the dredging tube mouth at center, spiral case side,
The side relative with water inlet pipe at spiral case periphery arranges the mud inlet making impeller expose spiral case.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that described spiral case is flat
Round table-like or cover peviform, bottom and spiral case periphery, in closing or semi-closed state, promote the water inlet pipe of impeller along spiral case circumferential edge
Tangent line is smooth excessiveness connection.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that described with water inlet pipe phase
To side arrange mud inlet, for along spiral case circumferential edge being the opening of circular shape.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that the side of described spiral case
Centrally disposed dredging tube mouth is circular, relative with the space of impeller central constitutes mud movement passage.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that arranging in described spiral case
Impeller, be made up of the circular impeller base connecting blade, radially, center cavity is to inhale mud mouth to impeller, circular impeller base
There is rotating shaft at center, embeds the axle sleeve bottom spiral case, and be rotating connection status with it.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that spiral case periphery installs skid
Or pulley, bottom the spiral case of water inlet pipe, through hole is being set.
The strand of water channel self-travel type the most according to claim 2 inhales Accrete clearing device, it is characterized in that installing on described spiral case
Rudder.
9. a water channel dredger for self-propelled, including hull, power-equipment and defeated mud mechanism, is characterized in that: in desilting
Arranging sludge pump and water injecting pump, sludge pump and water injecting pump on ship and connect the strand suction Accrete clearing device from walking, described strand inhales desilting
Device includes arranging in the spiral case of horizontal the strand mud impeller that waterpower promotes, and spiral case periphery arranges the water inlet pipe promoting impeller, at leaf
Wheel be centrally formed suction mud mouth, with spiral case side in the middle of dredging tube mouth be connected, spiral case periphery relative with water inlet pipe one
Side arranges mud inlet, and this mud inlet makes impeller expose spiral case, it is simple to agitation mud and the suction mud mouth of impeller central authorities
Drawing mud, strand is inhaled Accrete clearing device connection wirerope and is connected with crane lifting arm, constitutes fixing connection with hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310529890.0A CN103526791B (en) | 2013-11-01 | 2013-11-01 | The strand of water channel self-travel type inhales Accrete clearing device and driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310529890.0A CN103526791B (en) | 2013-11-01 | 2013-11-01 | The strand of water channel self-travel type inhales Accrete clearing device and driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103526791A CN103526791A (en) | 2014-01-22 |
| CN103526791B true CN103526791B (en) | 2016-08-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310529890.0A Expired - Fee Related CN103526791B (en) | 2013-11-01 | 2013-11-01 | The strand of water channel self-travel type inhales Accrete clearing device and driving method |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724523B (en) * | 2017-11-20 | 2023-04-28 | 郑州中原科技工程研究院有限公司 | Quick-retracting pipeline dredging dredger |
| CN108373107B (en) * | 2018-03-16 | 2023-11-03 | 浙江大学苏州工业技术研究院 | Underwater dredging operation vehicle with emergency hoisting system and emergency hoisting method |
| CN109457751A (en) * | 2018-11-13 | 2019-03-12 | 四川大学 | A kind of strand suction mud descaling machine |
| CN113802504B (en) * | 2021-09-29 | 2023-05-05 | 广东天立方建设集团有限公司 | Municipal road silt cleaning device |
| CN113802502A (en) * | 2021-09-29 | 2021-12-17 | 关晨 | Municipal administration post-disaster road desilting device |
| CN113802503B (en) * | 2021-09-29 | 2023-06-02 | 广州中恒城市规划勘测设计有限公司 | Municipal road dredging device |
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|---|---|---|---|---|
| CN1130229A (en) * | 1995-03-02 | 1996-09-04 | 肖冠英 | Abyssal inversely hanging water turbine pump mud and sand dredging boat |
| CN2318270Y (en) * | 1996-06-07 | 1999-05-12 | 曾民先 | Multipurpose hydraulic suction and dredging boat |
| US5970635A (en) * | 1998-01-29 | 1999-10-26 | Wilmoth; Daryl | Jet agitation dredging system |
| WO2009077786A1 (en) * | 2007-12-18 | 2009-06-25 | John Redding | Improvements in or relating to fluid jets |
| CN102650138A (en) * | 2012-04-28 | 2012-08-29 | 朱知富 | Mud/sand suction ship with air suction and exhaust pump as power |
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2013
- 2013-11-01 CN CN201310529890.0A patent/CN103526791B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130229A (en) * | 1995-03-02 | 1996-09-04 | 肖冠英 | Abyssal inversely hanging water turbine pump mud and sand dredging boat |
| CN2318270Y (en) * | 1996-06-07 | 1999-05-12 | 曾民先 | Multipurpose hydraulic suction and dredging boat |
| US5970635A (en) * | 1998-01-29 | 1999-10-26 | Wilmoth; Daryl | Jet agitation dredging system |
| WO2009077786A1 (en) * | 2007-12-18 | 2009-06-25 | John Redding | Improvements in or relating to fluid jets |
| CN102650138A (en) * | 2012-04-28 | 2012-08-29 | 朱知富 | Mud/sand suction ship with air suction and exhaust pump as power |
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|---|---|
| CN103526791A (en) | 2014-01-22 |
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