CN111218959A - Sand discharge device for river regulation - Google Patents
Sand discharge device for river regulation Download PDFInfo
- Publication number
- CN111218959A CN111218959A CN202010006514.3A CN202010006514A CN111218959A CN 111218959 A CN111218959 A CN 111218959A CN 202010006514 A CN202010006514 A CN 202010006514A CN 111218959 A CN111218959 A CN 111218959A
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- China
- Prior art keywords
- sand
- river
- rake
- flushing cavity
- flushing
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Classifications
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- 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
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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
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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
- E02F3/8858—Submerged units
- E02F3/8875—Submerged units pulled or pushed
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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
-
- 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
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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
- E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Barrages (AREA)
Abstract
The invention provides a sand discharge device for river channel treatment, and relates to the technical field of river channel treatment. The sediment outflow device includes: a sand raising device and a sand sucking device; the sand raising device comprises: a sand flushing cavity, a streamline top cover and a sand rake; the sand flushing device is hollow and provided with a sand flushing cavity, the top of the sand flushing cavity is covered by a streamline top cover, and the front end of the streamline top cover is provided with a flushing port; the bottom of the sand flushing cavity is provided with an opening, and a sand rake is arranged at the opening at the bottom; the rear end of the sand flushing cavity is communicated with a sand sucking device. The sand discharge device skillfully utilizes river water, and the streamline top cover is utilized to ensure that the sand discharge device is attached to the river bottom in the advancing process, so that the sand rake at the bottom can lift the sediment at the lower layer; the river water is introduced into the sand flushing cavity by using the flushing port arranged at the front end of the streamline top cover, and the silt entering the sand flushing cavity is flushed into the sand suction device in time, so that the silt is prevented from being deposited and blocked in the sand flushing cavity; such sediment outflow device can effectively and high-efficiently clear up the silt of discharging river course lower floor.
Description
Technical Field
The invention relates to the technical field of river channel treatment, in particular to a sand discharge device for river channel treatment.
Background
In some riverways in China, silt deposition is quite serious. The upstream soil and water loss, the downstream silt deposit constantly, the embankment is forced to increase constantly.
In order to discharge silt deposited at the bottom of a river out of the river channel, a sand discharge ship is usually adopted to carry an underwater sand discharge device to suck the silt deposited at the bottom of the river.
Most of the prior sand discharge devices use a submersible sand discharge pump to communicate with a sand suction pipe to directly suck sediment at the river bottom, so that floating sand at the upper layer of the river bottom can only be sucked out, the sediment at the lower layer is compacted under the long-term action of river water pressure and is difficult to be raised, and the sediment at the lower layer of the river can not be discharged by the prior sand discharge device due to the fact that the sediment at the lower layer of the river can not be sucked out by the submersible sand discharge pump.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a sand discharge device for river regulation, which solves the problem that the sand discharge device is difficult to discharge silt in the lower layer of a river.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a sediment outflow apparatus for river regulation, the sediment outflow apparatus comprising: a sand raising device and a sand sucking device; the sand raising device comprises: a sand flushing cavity, a streamline top cover and a sand rake; the sand flushing device is hollow and provided with a sand flushing cavity, the top of the sand flushing cavity is covered by a streamline top cover, and the front end of the streamline top cover is provided with a flushing port; the bottom of the sand flushing cavity is provided with an opening, and a sand rake is arranged at the opening at the bottom; the rear end of the sand flushing cavity is communicated with a sand sucking device.
Preferably, the front end of the bottom of the sand raising device is provided with an upward tilting.
Preferably, the side walls of the two sides of the bottom of the sand raising device are positioned at the tail ends of the raised parts and are respectively provided with a pull ring, the pull rings are connected with pull rods, and the pull rods are connected with a sand discharge ship on the river surface through ropes.
Preferably, the sand rake comprises: a rake rack and rake teeth; the rake rack is fixed at the bottom opening of the sand flushing cavity, a plurality of rows of rake teeth are fixed on the rake rack, the rake teeth incline towards the front lower part, the upper part of the rake teeth is wide, the lower part of the rake teeth is narrow, and the upper part of the rake teeth is thick and the lower part of the rake teeth is thin.
Preferably, the sand suction device comprises: a sand suction barrel, a spherical cover and a sand discharge pipe; the sand suction barrel is connected with a spherical cover flange, one end of the sand discharge pipe is communicated with the spherical cover, the other end of the sand discharge pipe is communicated with a pump positioned on the river surface, and the bottom of the side wall of the sand suction barrel is communicated with the rear end of the sand flushing cavity; the silt and river water flushed from the sand flushing cavity enter the sand suction barrel and are sucked out through the sand discharge pipe.
Preferably, a knife net is installed in the side wall of the sand suction barrel, a plurality of fixed knives are fixed on the inner wall of the knife net, and the fixed knives crush the sand blocks flushed into the sand suction barrel.
Preferably, the bottom of the inner cavity of the sand suction barrel is provided with a containing groove, the edge of the spherical cover is provided with an inner edge, the bottom end of the knife net is contained in the containing groove, and the upper end of the knife net is clamped and fixed by the inner wall and the inner edge of the sand suction barrel; when the spherical cover is taken down from the sand suction barrel, the knife net can be drawn out from the opening above the sand suction barrel, so that the damaged knife net can be replaced conveniently.
Preferably, in the spherical lid, arrange the mouth of pipe department of husky pipe and be provided with spherical steel mesh, the steel mesh is used for stopping bold silt in inhaling the husky bucket, and bold silt is discharged by the steel mesh after being broken by the cutting-off screen in inhaling the husky bucket, prevents that bold silt from blockking up row husky pipe.
Preferably, inhale husky bucket top and be provided with the seal groove, the border of spherical lid is provided with the sealing ring that corresponds with the seal groove, the sealing ring holds in the seal groove for inhale the husky bucket sealed with the flange joint structure of spherical lid.
(III) advantageous effects
The invention provides a sand discharge device for river regulation. Compared with the prior art, the method has the following beneficial effects:
the sand discharge device skillfully utilizes river water, and the streamline top cover is utilized to ensure that the sand discharge device is attached to the river bottom in the advancing process, so that the sand rake at the bottom can lift the sediment at the lower layer; the river water is introduced into the sand flushing cavity by using the flushing port arranged at the front end of the streamline top cover, and the silt entering the sand flushing cavity is flushed into the sand suction device in time, so that the silt is prevented from being deposited and blocked in the sand flushing cavity; such sediment outflow device can effectively and high-efficiently clear up the silt of discharging river course lower floor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an isometric view of a sand discharge apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the interior of the sand discharging device according to the embodiment of the invention;
fig. 3 is a schematic structural diagram of a knife net according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application provides a river course is administered with arranging husky device, has solved the problem that arranges husky device and is difficult to discharge river course lower floor silt, realizes effectively and clears up the silt of discharge river course lower floor high-efficiently.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
arranging a sand raising device in the sand discharge device, wherein the sand raising device is hollow and is provided with a sand flushing cavity, the top of the sand flushing cavity is covered by a streamline top cover, and the front end of the streamline top cover is provided with a flushing port; the bottom of the sand flushing cavity is provided with an opening, and a sand rake is arranged at the opening at the bottom; the back end of the sand flushing cavity is communicated with a sand sucking device.
The streamline top cover can obtain a grip force when moving in river water, so that the sand raising device moves forward along the river bottom, the sand rake at the bottom of the sand raising device can plough and raise the silt at the lower layer of the river channel, and the raised silt enters the sand flushing cavity from the bottom opening of the sand raising device; and meanwhile, in the advancing process of the sand discharging device, river water is flushed into the sand flushing cavity through the flushing port, silt entering from the bottom opening of the sand flushing device is flushed into the sand sucking device in time, the silt is prevented from being deposited and blocked in the sand flushing cavity, and the silt flushed into the sand sucking device is pumped out of the river channel by the sand sucking device, so that the sand discharging operation is completed. Such arrange husky device can effectively and clear up the silt of discharging river course lower floor high-efficiently, has compensatied prior art's not enough.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example (b):
as shown in fig. 1 and 2, the present invention provides a sand discharge device for river regulation, comprising: a sand raising device 10 and a sand sucking device 20; the sand raising apparatus 10 includes: a sand flushing cavity 11, a streamline top cover 12 and a sand rake 13; the sand raising device 10 is provided with a sand flushing cavity 11 in a hollow manner, the top of the sand flushing cavity 11 is covered by a streamline top cover 12, and the front end of the streamline top cover 12 is provided with a flushing port 121; the bottom of the sand flushing cavity 11 is provided with an opening, and a sand rake 13 is arranged at the opening at the bottom; the back end of the sand flushing cavity 11 is communicated with a sand sucking device 20.
In the process that the sand discharging device is pulled to move forwards by a sand discharging ship, the streamline top cover 12 enables the sand raising device 10 to move forwards along the river bottom under the action of river water, so that the sand rake 13 at the bottom of the sand raising device 10 can plough and raise the silt at the lower layer of the river channel, and the raised silt enters the sand flushing cavity 11 from the bottom opening of the sand raising device 10; meanwhile, in the process of advancing the sand discharging device, river water rushes into the sand flushing cavity 11 through the flushing port 121, sand entering from the bottom opening of the sand lifting device 10 is flushed into the sand sucking device 20, and then is pumped out of the river channel by the sand sucking device 20, so that the sand discharging operation is completed.
The sand discharge device skillfully utilizes the function of river water, and the streamlined top cover 12 is utilized to ensure that the sand discharge device is attached to the river bottom in the advancing process, so that the sand rake 13 at the bottom can lift the sediment at the lower layer; meanwhile, river water is introduced into the sand flushing cavity 11 by utilizing the flushing port 121 formed in the front end of the streamline top cover 12, and silt entering the sand flushing cavity 11 is flushed into the sand suction device 20 in time, so that the silt is prevented from being deposited and blocked in the sand flushing cavity 11; such sediment outflow device can effectively and high-efficiently clear up the silt of discharging river course lower floor.
As shown in fig. 2, the bottom front end of the sand raising device 10 is provided with an upward tilting, so as to prevent the bottom front end of the sand discharging device from being caught in the forward moving process.
As shown in fig. 1, pull rings 14 are respectively disposed at the end of the raised part of the sidewalls at both sides of the bottom of the sand raising device 10, the pull rings 14 are connected with pull rods 15, and the pull rods 15 are connected with a sand dredger (not shown in the figure) on the river surface through steel wire ropes.
As shown in fig. 2, the rake 13 includes: a rake frame 131, rake tines 132; the rake frame 131 is fixed at the bottom opening of the sand flushing cavity 11 to prevent large stones from entering the sand flushing cavity 11 from the bottom opening; a plurality of rows of rake teeth 132 are fixed on the rake frame 131, the rake teeth 132 are inclined towards the front lower part, the upper part is wide and the lower part is narrow, and the upper part is thick and the lower part is thin, so that the silt in the lower layer of the river channel can be plowed and raised.
As shown in fig. 2, the sand suction device 20 includes: a sand suction barrel 21, a spherical cover 22 and a sand discharge pipe 23; the sand suction barrel 21 is in flange connection with the spherical cover 22, one end of the sand discharge pipe 23 is communicated with the spherical cover 22, the other end of the sand discharge pipe 23 is communicated with a pump (not shown in the figure) positioned on the river surface, and the bottom of the side wall of the sand suction barrel 21 is communicated with the rear end of the sand flushing cavity 11; the silt and river water flushed from the sand flushing cavity 11 enter the sand suction barrel 21 and are sucked out through the sand discharge pipe 23.
As shown in fig. 2 and 3, install cutter mesh 24 in inhaling husky bucket 21 lateral wall, cutter mesh 24 inner wall is fixed with a plurality of stationary knives 241, and stationary knife 241 will wash into and inhale the silt piece breakage in husky bucket 21, and the silt piece of being convenient for is discharged from row husky pipe 23, avoids bold silt piece to block up row husky pipe 23.
As shown in fig. 2, a receiving groove 25 is formed at the bottom of the inner cavity of the sand suction barrel 21, an inner edge 26 is arranged at the edge of the spherical cover 22, the bottom end of the knife net 24 is received in the receiving groove 25, and the upper end of the knife net 24 is clamped and fixed by the inner wall and the inner edge 26 of the sand suction barrel 21; when the spherical cover 22 is taken down from the sand suction barrel 21, the knife net 24 can be drawn out from the upper opening of the sand suction barrel 21, so that the damaged knife net 24 can be replaced conveniently.
As shown in fig. 2, in the spherical cover 22, a spherical steel mesh 27 is arranged at the pipe orifice of the sand discharge pipe 23, the steel mesh 27 is used for blocking large silt in the sand suction bucket 21, and the large silt is discharged through the steel mesh 27 after being crushed by the knife net 24 in the sand suction bucket 21, so that the sand discharge pipe 23 is prevented from being blocked by the large silt.
As shown in fig. 2, a sealing groove 28 is provided at the top end of the sand suction bucket 21, a sealing ring 29 corresponding to the sealing groove 28 is provided at the edge of the spherical cover 22, and the sealing ring 29 is accommodated in the sealing groove 28, so that the sand suction bucket 21 is sealed with the flange connection structure of the spherical cover 22.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. the sand discharge device adopted by the embodiment of the invention skillfully utilizes river water, and the streamline top cover is utilized to ensure that the sand discharge device is attached to the river bottom in the advancing process, thereby ensuring that the sand rake at the bottom can lift the sediment at the lower layer; the river water is introduced into the sand flushing cavity by using the flushing port arranged at the front end of the streamline top cover, and the silt entering the sand flushing cavity is flushed into the sand suction device in time, so that the silt is prevented from being deposited and blocked in the sand flushing cavity; such sediment outflow device can effectively and high-efficiently clear up the silt of discharging river course lower floor.
2. The bottom front end of the sand raising device is provided with an upward tilting, so that the sand discharging device is prevented from being stumbled at the bottom front end in the advancing process.
3. A detachable knife net is arranged in the side wall of the sand suction barrel and is used for crushing the sediment block flushed into the sand suction barrel, so that the blockage of the sediment discharge pipe by the large sediment block is avoided; the knife net can be disassembled, and the damaged knife net is convenient to replace.
4. In the spherical cover, the mouth of pipe department of arranging the husky pipe is provided with spherical steel mesh, the steel mesh is used for stopping bold silt in inhaling the husky bucket, is discharged by the steel mesh after being broken by the cutting net in inhaling the husky bucket, prevents that bold silt from blockking up the sediment discharge pipe.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a river course is administered with arranging husky device which characterized in that, arrange husky device and include: a sand raising device (10) and a sand sucking device (20); the sand raising device (10) comprises: a sand flushing cavity (11), a streamline top cover (12) and a sand rake (13); the sand flushing device (10) is provided with a sand flushing cavity (11) in a hollow mode, the top of the sand flushing cavity (11) is covered by a streamline top cover (12), and a flushing port (121) is formed in the front end of the streamline top cover (12); the bottom of the sand flushing cavity (11) is provided with an opening, and a sand rake (13) is arranged at the opening at the bottom; the rear end of the sand flushing cavity (11) is communicated with a sand sucking device (20).
2. The sand discharge device for river regulation according to claim 1, wherein the front end of the bottom of the sand raising device (10) is provided with an upward tilt.
3. The sand discharging device for river regulation according to claim 2, wherein pull rings (14) are respectively arranged on the side walls of the two sides of the bottom of the sand raising device (10) and positioned at the ends of the raised part, the pull rings (14) are connected with pull rods (15), and the pull rods (15) are connected with a sand discharging ship on the river surface through ropes.
4. A sand discharge device for use in river regulation according to claim 1, wherein the sand rake (13) comprises: a rake rack (131) and rake teeth (132); the rake rack (131) is fixed at the bottom opening of the sand washing cavity (11), a plurality of rows of rake teeth (132) are fixed on the rake rack (131), and the rake teeth (132) incline forwards and downwards, are wide at the top and narrow at the bottom, and are thick at the top and thin at the bottom.
5. A sand discharge apparatus for use in the remediation of river channels according to claim 1, wherein the sand suction means (20) comprises: a sand suction barrel (21), a spherical cover (22) and a sand discharge pipe (23); the sand suction barrel (21) is connected with the spherical cover (22) through a flange, one end of the sand discharge pipe (23) is communicated with the spherical cover (22), the other end of the sand discharge pipe (23) is communicated with a pump positioned on the river surface, and the bottom of the side wall of the sand suction barrel (21) is communicated with the rear end of the sand flushing cavity (11); the silt and river water flushed from the sand flushing cavity (11) enter a sand suction barrel (21) and are sucked out through a sand discharge pipe (23).
6. The sand discharge device for river regulation according to claim 5, wherein a knife net (24) is installed in the side wall of the sand suction bucket (21), a plurality of fixed knives (241) are fixed on the inner wall of the knife net (24), and the fixed knives (241) crush the sand blocks flushed into the sand suction bucket (21).
7. The sand discharge device for river regulation according to claim 6, wherein a containing groove (25) is formed in the bottom of the inner cavity of the sand suction barrel (21), an inner edge (26) is arranged on the edge of the spherical cover (22), the bottom end of the knife net (24) is contained in the containing groove (25), and the upper end of the knife net (24) is clamped and fixed by the inner wall and the inner edge (26) of the sand suction barrel (21); when the spherical cover (22) is taken down from the sand suction barrel (21), the knife net (24) can be drawn out from the upper opening of the sand suction barrel (21), so that the damaged knife net (24) can be replaced conveniently.
8. The sand discharge device for river regulation according to claim 6, wherein a spherical steel mesh (27) is arranged at the opening of the sand discharge pipe (23) in the spherical cover (22), the steel mesh (27) is used for blocking large silt in the sand suction bucket (21), and the large silt is discharged through the steel mesh (27) after being crushed by the knife mesh (24) in the sand suction bucket (21), so that the sand discharge pipe (23) is prevented from being blocked by the large silt.
9. The sand discharging device for river regulation according to claim 5, wherein a sealing groove (28) is formed at the top end of the sand suction barrel (21), a sealing ring (29) corresponding to the sealing groove (28) is formed at the edge of the spherical cover (22), and the sealing ring (29) is accommodated in the sealing groove (28), so that the sand suction barrel (21) is sealed with the flange connection structure of the spherical cover (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006514.3A CN111218959A (en) | 2020-01-03 | 2020-01-03 | Sand discharge device for river regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010006514.3A CN111218959A (en) | 2020-01-03 | 2020-01-03 | Sand discharge device for river regulation |
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| Publication Number | Publication Date |
|---|---|
| CN111218959A true CN111218959A (en) | 2020-06-02 |
Family
ID=70828107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010006514.3A Pending CN111218959A (en) | 2020-01-03 | 2020-01-03 | Sand discharge device for river regulation |
Country Status (1)
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| CN (1) | CN111218959A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062389A (en) * | 2021-03-25 | 2021-07-02 | 九江学院 | Underwater mud pumping box |
| CN113356129A (en) * | 2021-06-16 | 2021-09-07 | 刘会见 | Riverbed flow guide structure for hydraulic engineering construction |
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| CN109487849A (en) * | 2018-11-16 | 2019-03-19 | 刘兴海 | Dredging device for water conservancy projects |
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|---|---|---|---|---|
| CN2474596Y (en) * | 2001-05-08 | 2002-01-30 | 宋建农 | Novel harrow teeth of harrow suction type dredge boat |
| US20150143726A1 (en) * | 2013-11-26 | 2015-05-28 | Neal R. Lewis | Water body cleaner with selective sediment dredging head |
| CN104863197B (en) * | 2015-06-04 | 2017-05-31 | 赵庆锋 | A kind of pull-type water channel dredging vehicle |
| CN205917748U (en) * | 2016-05-27 | 2017-02-01 | 明光市留香泵业有限公司 | Draw -out device is smashed to silt |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113062389A (en) * | 2021-03-25 | 2021-07-02 | 九江学院 | Underwater mud pumping box |
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| CN113356129B (en) * | 2021-06-16 | 2023-12-01 | 刘会见 | River bed flow guiding structure for hydraulic engineering construction |
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Application publication date: 20200602 |