CN113529835A - River channel dredging device for hydraulic engineering construction and operation method - Google Patents
River channel dredging device for hydraulic engineering construction and operation method Download PDFInfo
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- CN113529835A CN113529835A CN202110811367.1A CN202110811367A CN113529835A CN 113529835 A CN113529835 A CN 113529835A CN 202110811367 A CN202110811367 A CN 202110811367A CN 113529835 A CN113529835 A CN 113529835A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/08—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within vertical containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/24—Drives
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
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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
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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
- 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
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Food Science & Technology (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention belongs to the technical field of river channel dredging, and discloses a river channel dredging device for hydraulic engineering construction. When the ball screw I moves downwards, liquid in the liquid storage pipe is pressed into the arc-shaped guide pipe, the arc-shaped push block can drive the two digging shells to be closed when rotating downwards, so that sludge is dug, and when sludge is cleaned, the contact position of the device and the sludge is only the middle part and the front and rear ends of the digging shells, so that the flowing and diffusion of the sludge are effectively reduced, the consistency of the sludge is prevented from being reduced, the river water ratio in the dug sludge under the unit working condition is effectively reduced, and the working efficiency of the device is improved.
Description
Technical Field
The invention belongs to the technical field of river channel dredging, and particularly relates to a river channel dredging device for hydraulic engineering construction.
Background
The hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in the nature to achieve the purpose of removing harm and benefiting, wherein a river channel is one of important components in the hydraulic engineering, sludge is soft soil with natural water content larger than a fluidity limit and a pore ratio larger than 1.5, is widely present in the river channel, and after the sludge in the river channel is accumulated to a certain degree, the normality of the river channel is seriously affected, so that the sludge in the river channel needs to be cleaned.
Current silt cleaning device adopts the spiral plate to insert in the silt greatly, the rotation through the spiral plate upwards transports silt, thereby realize the clearance to silt, when the spiral plate is at the silt internal rotation, the spiral plate is too big with the contact range of silt, because silt has thixotropy and rheology, can produce deformation and flow when silt under the effect of external force, simultaneously because the contact range is too big, the spiral plate is when cuting silt, can lead to the consistency of silt constantly diminishing, thereby lead to in the silt of taking out under the unit operating mode, river water accounts for than too big, thereby device work efficiency has been reduced.
Current silt cleaning device is when using, because the mode that adopts the spiral plate takes out silt from the riverbed, when taking out, because the water content of silt is too high, the consistency undersize, thereby lead to the cohesion between the silt soil body to diminish, when blowout silt, because silt water content is too big, thereby lead to can lead to the diffusion range of silt too big when blowout silt, lead to silt can not gather together after taking out, nevertheless need concentrate the silt after the diffusion after taking out, operating personnel's the work degree of difficulty has been increased.
Current silt cleaning device is when using, because adopt the spiral plate to insert the mode in the silt to clear up silt, nevertheless there may be the condition of caking in the silt in the river course, when the spiral plate is rotatory, the condition that silt blockked up the spiral plate can appear, leads to the rotatory resistance grow of spiral plate, and long-term operation back can damage drive arrangement, has reduced the life of device.
Disclosure of Invention
The invention aims to provide a river channel dredging device for hydraulic engineering construction, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides the following technical scheme: a river channel dredging device for hydraulic engineering construction comprises an extraction pipe, wherein a mud pump is fixedly mounted on the top surface of the extraction pipe, the mud pump is started, the extraction pipe, the mud pump, a lifting shell and an inner cavity of an excavating shell are communicated at the moment, the mud pump can upwards pump mud in the lifting shell and the inner cavity of the excavating shell to enable the mud to be sprayed out from the top end of the mud pump, connecting frames are fixedly mounted at the left end and the right end of the extraction pipe, a liquid storage pipe is fixedly mounted at the other end of each connecting frame, a servo motor is fixedly mounted on the top surface of the liquid storage pipe, a ball screw I is fixedly sleeved at the output end of the servo motor, a pressing plate is meshed on the surface of the ball screw I, the servo motor is driven to rotate, the ball screw I drives the pressing plate to upwards move when rotating, and the pressing plate can drive liquid at the bottom end of the inner cavity of the liquid storage pipe to upwards move when upwards moving, meanwhile, liquid in the third connecting pipe, the arc-shaped guide pipe and the cylindrical guide pipe can be pumped into an inner cavity of the liquid storage pipe, the surface of the extracting pipe is movably connected with a lifting shell, the left side and the right side of the bottom end of the lifting shell are movably connected with an excavating shell, one end, far away from the extracting pipe, of the liquid storage pipe is fixedly provided with a first communicating pipe, the left side and the right side of the lifting shell are fixedly provided with the arc-shaped guide pipe, the inner cavity of the arc-shaped guide pipe is movably connected with an arc-shaped push block, the arc-shaped push block rotates upwards in the inner cavity of the arc-shaped guide pipe, so that the two excavating shells are respectively opened towards two sides in a rotating mode, sludge excavating is realized, the bottom surface of the extracting pipe is fixedly provided with a dewatering plate, the top surface of the dewatering plate is fixedly provided with the cylindrical guide pipe, the inner cavity of the cylindrical guide pipe is movably connected with the cylindrical push block, the cylindrical push block moves downwards in the inner cavity of the cylindrical guide pipe, and the sum of the length values of the cylindrical guide pipe and the cylindrical push block is reduced, make the dehydration board be equivalent to lift shell upward movement, the effectual silt quantity that the device once only dug to get that has improved, the bottom of depositing the liquid pipe and the bottom fixed mounting of cylinder pipe have connecting pipe two, the equal fixed mounting in both ends around the preceding back both ends of lift shell bottom surface and the front and back both ends of digging the shell top surface has the magnetism strip.
Preferably, one end of the liquid storage pipe close to the center of the extraction pipe is fixedly provided with a third connecting pipe, the inner cavity of the extraction pipe is fixedly provided with a support frame, the middle part of the supporting frame is movably connected with a second ball screw, the surface of the second ball screw is engaged with an engaging sleeve and a closing plate, the left end and the right end of the meshing sleeve are movably connected with fixed pipes, the side wall of the digging shell is provided with dewatering holes, the pore ratio of the dewatering holes is less than 1, sludge can be effectively blocked, when the liquid at the bottom end of the liquid storage pipe enters the connecting pipe III, the liquid can enter the left end and the right end of the meshing sleeve through the fixed pipe, thereby pushing the meshing sleeve downwards, realizing that the second ball screw drives the supporting frame to rotate through the meshing of the second ball screw and the meshing sleeve, through the meshing of the second ball screw and the closing plate, the closing plate can be driven to move upwards, and therefore the bottom end of the extraction pipe is opened.
Preferably, the bottom fixed mounting of ball two has the shearing flabellum, it is located the below of meshing cover to cut the flabellum, it is located the top of closing plate to cut the flabellum, cut flabellum swing joint in the inner chamber of extraction pipe, when silt is through when cuting the flabellum region, can be through the rotation of shearing the flabellum with silt minced, because lift shell and two dig get carry out magnetism through the magnetic stripe between the shell and connect, the magnetic force between the magnetic stripe can't be overcome through the arc ejector pad to the flow of liquid in the arc pipe to realize lift shell and dig the in close contact with between the shell, avoid silt to spill.
Preferably, the dehydration board swing joint is at the lift shell and the middle part of digging the shell, the length value and the width value of dehydration board equal length value and the width value of lift shell inner chamber respectively, the top surface fixed mounting of dehydration board has the location axle, the location axle is total three, three the location axle is swing joint respectively in the outside of closing plate, utilizes the downshifting of dehydration board, can realize suppressing the dehydration to silt to the effectual water content that reduces silt, the scope when having reduced the silt blowout has reduced the required live time of operating personnel later stage concentrated silt, has reduced operating personnel's intensity of labour.
Preferably, the first end of communicating pipe that keeps away from the extraction pipe center is fixed mounting on the top of arc pipe, the bottom fixed mounting of arc ejector pad is on digging two sides of controlling of shell, and back in liquid gets into the arc pipe can push the arc ejector pad downwards, makes the arc ejector pad drive two and digs the shell and rotate in opposite directions to it is closed at the bottom of lift shell to realize two and dig the shell, thereby digs silt and gets in lift shell and the inner chamber of digging the shell.
Preferably, the top fixed mounting of cylinder ejector pad is on the top surface of lift shell inner chamber, the equal fixed mounting in surface of the bottom of cylinder ejector pad and arc ejector pad has the spacing ring, after the liquid of depositing the liquid pipe bottom passes through two entering cylinder pipes of connecting pipe, can upwards jack-up the cylinder ejector pad, thereby can realize increasing the length value sum of cylinder pipe and cylinder ejector pad, make dehydration board relative and lift shell downstream, can suppress downwards to the silt that lies in lift shell and dig the shell inner chamber this moment, thereby dewater silt, the moisture that breaks away from gets into in the river course from dehydration hole outflow device, the stopper is injectd the range of motion of cylinder ejector pad and arc ejector pad, the stability of device operation has been guaranteed.
Preferably, the connecting pipe III is used for communicating the left end and the right end of the fixed pipe, the liquid storage pipe and the left end and the right end of the meshing sleeve, the bottom end of the connecting pipe III is fixedly installed at the left end and the right end of the top surface of the support frame, the fixed pipe is located right below the bottom end of the connecting pipe III, and the meshing sleeve is subjected to flowing of liquid in the connecting pipe III, so that the meshing sleeve can reciprocate up and down, the ball screw II is driven to do reciprocating rotation movement within a small range, and the shearing fan blades are driven to do reciprocating rotation within a small range.
Preferably, the pressing plate is located above the third connecting pipe and the first communicating pipe, the top end of the first communicating pipe is located above the lifting shell, interference between the lifting shell and the first communicating pipe when the lifting shell moves upwards relative to the dewatering plate is avoided, and running stability of the device is guaranteed.
Preferably, the cross-sectional shapes of the bottom end and the front and rear ends of each digging shell are triangular, the sum of the width values of the two digging shells is equal to the length value of the lifting shell, the flowing and the diffusion of the sludge are effectively reduced, the consistency of the sludge is prevented from being reduced, the river water ratio in the dug sludge under unit working conditions is effectively reduced, and the working efficiency of the device is improved.
Preferably, the method comprises the following steps:
when the device is used, the servo motor is started, the servo motor drives the ball screw I to rotate, the ball screw I drives the pressing plate to move upwards when rotating, when the pressing plate moves upwards, liquid at the bottom end of the inner cavity of the liquid storage pipe can be driven to move upwards, meanwhile, liquid in the connecting pipe III, the arc-shaped guide pipe and the cylindrical guide pipe can be pumped into the inner cavity of the liquid storage pipe, the arc-shaped push block is driven to rotate upwards in the inner cavity of the arc-shaped guide pipe, the two digging shells are respectively rotated and opened towards two sides, meanwhile, the cylindrical push block moves downwards in the inner cavity of the cylindrical guide pipe, the sum of length values of the cylindrical guide pipe and the cylindrical push block is reduced, and the dewatering plate is equivalent to the lifting shell to move upwards;
moving the device to the bottom end of the riverbed in the riverway, so that the bottom ends of the two digging shells are slowly inserted into the sludge;
then the servo motor drives the ball screw to rotate reversely, so that the ball screw drives the pressing plate to move downwards, liquid at the bottom end of the liquid storage pipe is respectively pressed into the cylindrical guide pipe, the arc-shaped guide pipe and the connecting pipe III, and when the liquid enters the arc-shaped guide pipe, the arc-shaped push block is pressed downwards to drive the two digging shells to rotate oppositely, so that the two digging shells are closed at the bottom end of the lifting shell, sludge is dug in the lifting shell and the inner cavities of the digging shells, the sludge in a river channel is cleaned, and the normal use effect of hydraulic engineering is guaranteed;
after liquid at the bottom end of the liquid storage pipe enters the cylindrical guide pipe through the second connecting pipe, the cylindrical push block can be upwards jacked, so that the sum of the length values of the cylindrical guide pipe and the cylindrical push block can be increased, the dewatering plate moves downwards relative to the lifting shell, at the moment, sludge in the inner cavities of the lifting shell and the digging shell can be downwards pressed, the sludge is dewatered, and separated water flows out of the dewatering hole and enters a river channel;
when liquid at the bottom end of the liquid storage pipe enters the third connecting pipe, the liquid can enter the left end and the right end of the meshing sleeve through the fixing pipe, so that the meshing sleeve is pushed downwards, the second ball screw is meshed with the meshing sleeve, the second ball screw can drive the supporting frame to rotate, the second ball screw is meshed with the closed plate, the closed plate can be driven to move upwards, and the bottom end of the extraction pipe is opened;
then starting a mud pump, wherein the inner cavities of the pumping pipe, the mud pump, the lifting shell and the excavating shell are communicated, and the mud pump can pump the mud in the inner cavities of the lifting shell and the excavating shell upwards to ensure that the mud is sprayed out from the top end of the mud pump;
when the sludge is pumped by the sludge pump, the servo motor continuously drives the ball screw I to perform reciprocating rotation in a small range, so that the pressing plate performs reciprocating movement in a small range up and down, the lifting shell and the two digging shells are magnetically connected through the magnetic strips, and the flowing of liquid in the arc-shaped guide pipe cannot overcome the magnetic force between the magnetic strips through the arc-shaped push block, so that the lifting shell and the digging shells are in close contact, at the moment, the meshing sleeve is subjected to the flowing of the liquid in the connecting pipe III, so that the meshing sleeve performs reciprocating movement in a vertical direction, the ball screw II is driven to perform reciprocating rotation in a small range, the shearing fan blades are driven to perform reciprocating rotation in a small range, and when the sludge passes through the shearing fan blade area, the sludge can be cut into pieces through the rotation of the shearing fan blades;
after the lifting shell and the sludge in the digging shell are extracted, the device is moved to the next place where the sludge needs to be cleaned, and the steps are repeated, so that the sludge in the river channel can be continuously cleaned.
The invention has the following beneficial effects:
1. when the ball screw I moves downwards, liquid in the liquid storage pipe is pressed into the arc-shaped guide pipe, the arc-shaped push block can drive the two digging shells to be closed when rotating downwards, so that sludge is dug, and when sludge is cleaned, the contact position of the device and the sludge is only the middle part and the front and rear ends of the digging shells, so that the flowing and diffusion of the sludge are effectively reduced, the consistency of the sludge is prevented from being reduced, the river water ratio in the dug sludge under the unit working condition is effectively reduced, and the working efficiency of the device is improved.
2. When the ball screw I moves downwards, liquid in the liquid storage pipe is pressed into the cylindrical guide pipe through the connecting pipe II, so that the cylindrical push block moves upwards, the sum of the length values of the cylindrical guide pipe and the cylindrical push block is increased, the dewatering plate moves downwards equivalently to the lifting shell, the excavated sludge is pressed, moisture in the sludge is discharged out of the dewatering hole, pre-dewatering of the sludge is realized, the water content of the sludge is effectively reduced, the situation that operators need to perform concentrated operation on the sludge due to the fact that the spreading range is too large after the sludge is sprayed out is avoided, and the labor difficulty of the operators is reduced.
3. According to the invention, when the mud pump pumps out mud, the servo motor drives the ball screw I to perform reciprocating movement in a small range, so that liquid in the liquid storage pipe is extracted and pushed in a reciprocating manner at the left end and the right end of the connecting pipe III, the fixed pipe and the meshing sleeve, the support frame can perform reciprocating rotation in a small range through the meshing of the ball screw II and the meshing sleeve, the shearing fan blades can be driven to perform reciprocating swing in a small range during rotation, the pumped mud is sheared, the blocking of the mud pump by agglomerated mud is avoided, the smooth operation of the mud pump is ensured, and the service life of the device is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the explosion-bonded construction of the excavation shell of the present invention;
FIG. 3 is a schematic cross-sectional view of the lift housing of the present invention;
FIG. 4 is a schematic view of a reservoir tube connection according to the present invention;
FIG. 5 is a schematic cross-sectional view of an aspiration tube of the present invention;
FIG. 6 is a schematic view of an exploded connection structure of a positioning shaft according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 5 according to the present invention;
FIG. 8 is a schematic view showing the structure of the direction of liquid flow when the pressing plate moves upward according to the present invention;
FIG. 9 is a schematic view of the connection structure of the downward movement transmission of the engaging sleeve of the present invention.
In the figure: 1. an extraction pipe; 2. a mud pump; 3. a connecting frame; 4. a liquid storage tube; 5. a servo motor; 6. a first ball screw; 7. pressing a plate; 8. a lifting shell; 9. digging a shell; 10. a first communicating pipe; 11. an arcuate conduit; 12. an arc-shaped push block; 13. a second connecting pipe; 14. a cylindrical conduit; 15. a cylindrical push block; 16. a third connecting pipe; 17. a support frame; 18. a ball screw II; 19. an engagement sleeve; 20. a closing plate; 21. a fixed tube; 22. shearing fan blades; 23. positioning the shaft; 24. a dewatering plate; 25. a dewatering hole; 26. a magnetic strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
As shown in fig. 1 to 9, in the embodiment of the invention, a river dredging device for hydraulic engineering construction comprises an extraction pipe 1, a dredge pump 2 is fixedly installed on the top surface of the extraction pipe 1, the dredge pump 2 is started, at this time, the extraction pipe 1, the dredge pump 2, a lifting shell 8 and the inner cavity of the excavating shell 9 are communicated, the dredge pump 2 can pump sludge in the inner cavities of the lifting shell 8 and the excavating shell 9 upwards to enable the sludge to be sprayed out from the top end of the dredge pump 2, connecting frames 3 are fixedly installed at the left end and the right end of the extraction pipe 1, a liquid storage pipe 4 is fixedly installed at the other end of each connecting frame 3, a servo motor 5 is fixedly installed on the top surface of the liquid storage pipe 4, a ball screw 6 is fixedly sleeved at the output end of the servo motor 5, a pressing plate 7 is engaged on the surface of the ball screw 6, the servo motor 5 drives the ball screw 6 to rotate, the ball screw 6 drives the pressing plate 7 to move upwards when rotating, when the pressing plate 7 moves upwards, the liquid at the bottom end of the inner cavity of the liquid storage pipe 4 can be driven to move upwards, meanwhile, the liquid in the connecting pipe III 16, the arc-shaped guide pipe 11 and the cylindrical guide pipe 14 can be pumped into the inner cavity of the liquid storage pipe 4, the surface of the extraction pipe 1 is movably connected with the lifting shell 8, the left side and the right side of the bottom end of the lifting shell 8 are both movably connected with the digging shell 9, one end of the liquid storage pipe 4, which is far away from the extraction pipe 1, is fixedly provided with the communicating pipe I10, the left side and the right side of the lifting shell 8 are both fixedly provided with the arc-shaped guide pipe 11, the inner cavity of the arc-shaped guide pipe 11 is movably connected with the arc-shaped push block 12, the arc-shaped push block 12 rotates upwards in the inner cavity of the arc-shaped guide pipe 11, so that the two digging shells 9 respectively rotate towards two sides and open, thereby digging sludge is realized, the bottom surface of the extraction pipe 1 is fixedly provided with the dewatering plate 24, the cylindrical guide pipe 14 is fixedly provided on the top surface of the dewatering plate 24, the inner cavity of the cylindrical guide pipe 14 is movably connected with the cylindrical push block 15, the cylinder ejector pad 15 moves downwards in the inner cavity of the cylinder guide pipe 14, so that the sum of length values of the cylinder guide pipe 14 and the cylinder ejector pad 15 is reduced, the dewatering plate 24 moves upwards equivalently to the lifting shell 8, the sludge quantity dug by the device at one time is effectively improved, the bottom end of the liquid storage pipe 4 and the bottom end of the cylinder guide pipe 14 are fixedly provided with a second connecting pipe 13, and the front end and the rear end of the bottom surface of the lifting shell 8 and the front end and the rear end of the top surface of the digging shell 9 are fixedly provided with magnetic strips 26.
Wherein, one end of the liquid storage tube 4 close to the center of the extraction tube 1 is fixedly provided with a third connecting tube 16, the inner cavity of the extraction tube 1 is fixedly provided with a support frame 17, the middle part of the support frame 17 is movably connected with a second ball screw 18, the surface of the second ball screw 18 is engaged with a meshing sleeve 19 and a closing plate 20, the left end and the right end of the meshing sleeve 19 are both movably connected with a fixed tube 21, the side wall of the digging shell 9 is provided with a dewatering hole 25, the pore ratio of the dewatering hole 25 is smaller than that of the extraction tube 1, sludge can be effectively blocked, when the liquid at the bottom end of the liquid storage tube 4 enters the third connecting tube 16, the liquid can enter the left end and the right end of the meshing sleeve 19 through the fixed tube 21, so as to push the meshing sleeve 19 downwards, through the engagement of the second ball screw 18 and the meshing sleeve 19, the rotation of the support frame 17 can be driven through the second ball screw 18, through the engagement of the second ball screw 18 and the closing plate 20, it is achieved that the closure plate 20 is brought upwards, so that the bottom end of the extraction duct 1 is opened.
Wherein, the bottom fixed mounting of two 18 of ball screw has shearing flabellum 22, shearing flabellum 22 is located the below of engaging sleeve 19, shearing flabellum 22 is located the top of closing plate 20, shearing flabellum 22 swing joint is in the inner chamber of extraction pipe 1, when silt is in shearing flabellum 22 region, can be through the rotatory silt of shearing flabellum 22 to be minced, because lift shell 8 and two dig and get and carry out the magnetism through magnetic strip 26 between the shell 9 and connect, the magnetic force between magnetic strip 26 can't be overcome through arc ejector pad 12 to the flow of liquid in the arc pipe 11, thereby realize lift shell 8 and dig the in-close contact between the shell 9, avoid silt to spill.
Wherein, dehydration board 24 swing joint is at lift shell 8 and the middle part of digging shell 9, dehydration board 24's length value and width value equal to lift shell 8 inner chamber's length value and width value respectively, dehydration board 24's top surface fixed mounting has location axle 23, location axle 23 is total three, three location axle 23 is swing joint respectively in the outside of closing plate 20, utilize moving down of dehydration board 24, can realize suppressing the dehydration to silt, thereby the effectual water content that reduces silt, scope when having reduced the silt blowout, the required live time of silt has been concentrated in operating personnel later stage has been reduced, operating personnel's intensity of labour has been reduced.
Wherein, the one end fixed mounting that the extraction pipe 1 center was kept away from to communicating pipe 10 is on the top of arc pipe 11, and the bottom fixed mounting of arc ejector pad 12 is on digging two sides of controlling of shell 9, and back in liquid gets into arc pipe 11 can push down arc ejector pad 12, makes arc ejector pad 12 drive two and digs shell 9 and rotatory in opposite directions to it is closed at the bottom of lift shell 8 to realize two shells 9 of digging, thereby digs silt and gets in lift shell 8 and the inner chamber of digging shell 9.
Wherein, the top fixed mounting of cylinder ejector pad 15 is on the top surface of 8 inner chambers of lift shell, the equal fixed mounting in surface of the bottom of cylinder ejector pad 15 and arc ejector pad 12 has the spacing ring, the liquid of depositing liquid pipe 4 bottom passes through behind connecting pipe two 13 entering cylinder pipe 14, can be with cylinder ejector pad 15 upspring, thereby can realize increasing the length value sum of cylinder pipe 14 and cylinder ejector pad 15, make dehydration board 24 relative and lift shell 8 downstream, can suppress downwards the silt that lies in lift shell 8 and dig shell 9 inner chamber this moment, thereby dewater silt, the moisture that breaks away from gets into in the river course from dehydration hole 25 outflow device, the stopper is injectd the motion range of cylinder ejector pad 15 and arc ejector pad 12, the stability of device operation has been guaranteed.
The connecting pipe III 16 is used for communicating the left end and the right end of the fixed pipe 21, the liquid storage pipe 4 and the meshing sleeve 19, the bottom end of the connecting pipe III 16 is fixedly installed at the left end and the right end of the top surface of the supporting frame 17, the fixed pipe 21 is located right below the bottom end of the connecting pipe III 16, and the meshing sleeve 19 is subjected to flowing of liquid in the connecting pipe III 16, so that the meshing sleeve 19 can reciprocate up and down, the ball screw II 18 is driven to do reciprocating rotary motion in a small range, and the shearing fan blades 22 are driven to do reciprocating rotary motion in a small range.
Wherein, the pressing plate 7 is located above the third connecting pipe 16 and the first communicating pipe 10, and the top end of the first communicating pipe 10 is located above the lifting shell 8, so that the interference between the lifting shell 8 and the first communicating pipe 10 when the lifting shell 8 moves upwards relative to the dewatering plate 24 is avoided, and the running stability of the device is ensured.
The cross-sectional shapes of the bottom end and the front end and the rear end of each digging shell 9 are triangular, the sum of the width values of the two digging shells 9 is equal to the length value of the lifting shell 8, the flowing and the diffusion of the sludge are effectively reduced, the consistency of the sludge is prevented from being reduced, the river water ratio in the sludge is effectively reduced under the unit working condition, and the working efficiency of the device is improved.
The method comprises the following steps:
when the device is used, the servo motor 5 is started, the servo motor 5 drives the ball screw I6 to rotate, the ball screw I6 drives the pressing plate 7 to move upwards when rotating, when the pressing plate 7 moves upwards, liquid at the bottom end of the inner cavity of the liquid storage pipe 4 can be driven to move upwards, meanwhile, liquid in the connecting pipe III 16, the arc-shaped guide pipe 11 and the cylindrical guide pipe 14 can be sucked into the inner cavity of the liquid storage pipe 4, the arc-shaped push block 12 is driven to rotate upwards in the inner cavity of the arc-shaped guide pipe 11, the two digging shells 9 are respectively rotated and opened towards two sides, meanwhile, the cylindrical push block 15 moves downwards in the inner cavity of the cylindrical guide pipe 14, the sum of length values of the cylindrical guide pipe 14 and the cylindrical push block 15 is reduced, and the dewatering plate 24 is equivalent to the upward movement of the lifting shell 8;
moving the device to the bottom end of the riverbed in the riverway, so that the bottom ends of the two digging shells 9 are slowly inserted into the sludge;
then the servo motor 5 drives the ball screw I6 to rotate reversely, so that the ball screw I6 drives the pressing plate 7 to move downwards, liquid at the bottom end of the liquid storage pipe 4 is respectively pressed into the cylindrical guide pipe 14, the arc-shaped guide pipe 11 and the third connecting pipe 16, when the liquid enters the arc-shaped guide pipe 11, the arc-shaped push block 12 is pressed downwards, the arc-shaped push block 12 drives the two excavating shells 9 to rotate oppositely, and therefore the two excavating shells 9 are closed at the bottom end of the lifting shell 8, sludge is excavated in the inner cavities of the lifting shell 8 and the excavating shells 9, the effect of cleaning the sludge in a river channel is achieved, and the normal use effect of hydraulic engineering is guaranteed;
after the liquid at the bottom end of the liquid storage pipe 4 enters the cylindrical guide pipe 14 through the second connecting pipe 13, the cylindrical push block 15 can be jacked upwards, so that the sum of the length values of the cylindrical guide pipe 14 and the cylindrical push block 15 can be increased, the dewatering plate 24 moves downwards relative to the lifting shell 8, at the moment, sludge in the inner cavities of the lifting shell 8 and the digging shell 9 can be pressed downwards, the sludge is dewatered, and the separated water flows out of the device from the dewatering holes 25 and enters a river channel;
when the liquid at the bottom end of the liquid storage pipe 4 enters the connecting pipe III 16, the liquid can enter the left end and the right end of the meshing sleeve 19 through the fixing pipe 21, so that the meshing sleeve 19 is pushed downwards, the supporting frame 17 can be driven to rotate through the ball screw II 18 through the meshing of the ball screw II 18 and the meshing sleeve 19, the closing plate 20 can be driven to move upwards through the meshing of the ball screw II 18 and the closing plate 20, and the bottom end of the extraction pipe 1 is opened;
then the dredge pump 2 is started, at the moment, the inner cavities of the dredge pipe 1, the dredge pump 2, the lifting shell 8 and the excavating shell 9 are communicated, and the dredge pump 2 can pump the sludge in the inner cavities of the lifting shell 8 and the excavating shell 9 upwards to enable the sludge to be sprayed out from the top end of the dredge pump 2;
when the sludge is pumped by the sludge pumping pump 2, the servo motor 5 continuously drives the ball screw I6 to perform reciprocating rotation in a small range, so that the pressing plate 7 performs reciprocating movement in a small range up and down, the lifting shell 8 and the two digging shells 9 are magnetically connected through the magnetic strips 26, the flowing of liquid in the arc-shaped guide pipe 11 cannot overcome the magnetic force between the magnetic strips 26 through the arc-shaped push block 12, so that the lifting shell 8 is tightly contacted with the digging shells 9, at the moment, the meshing sleeve 19 is subjected to the flowing of the liquid in the connecting pipe III 16, so that the meshing sleeve 19 performs reciprocating movement in the up and down direction, the ball screw II 18 is driven to perform reciprocating rotation in a small range, the shearing fan blades 22 are driven to perform reciprocating rotation in a small range, and when the sludge passes through the shearing fan blades 22, the sludge can be cut into pieces through the rotation of the shearing fan blades 22;
after the lifting shell 8 and the sludge in the digging shell 9 are extracted, the device is moved to the next place where the sludge needs to be cleaned, and the steps are repeated, so that the sludge in the river channel can be continuously cleaned.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a river course desilting device for hydraulic engineering construction, includes extraction tube (1), its characterized in that: the mud pump (2) is fixedly mounted on the top surface of the extracting pipe (1), the connecting frames (3) are fixedly mounted at the left end and the right end of the extracting pipe (1), the liquid storage pipe (4) is fixedly mounted at the other end of the connecting frames (3), the servo motor (5) is fixedly mounted on the top surface of the liquid storage pipe (4), the ball screw I (6) is fixedly sleeved at the output end of the servo motor (5), the pressing plate (7) is meshed on the surface of the ball screw I (6), the lifting shell (8) is movably connected to the surface of the extracting pipe (1), the excavating shell (9) is movably connected to the left side and the right side of the bottom end of the lifting shell (8), the communicating pipe I (10) is fixedly mounted at one end of the liquid storage pipe (4) far away from the extracting pipe (1), the arc-shaped guide pipe (11) is fixedly mounted on the left side and the right side of the lifting shell (8), the inner chamber swing joint of arc pipe (11) has arc ejector pad (12), the bottom surface fixed mounting of extraction pipe (1) has dehydration board (24), the top surface fixed mounting of dehydration board (24) has cylinder pipe (14), the inner chamber swing joint of cylinder pipe (14) has cylinder ejector pad (15), the bottom of liquid storage pipe (4) and the bottom fixed mounting of cylinder pipe (14) have connecting pipe two (13), the equal fixed mounting in both ends around both ends and the excavation shell (9) top surface of lift shell (8) bottom surface has magnetism strip (26).
2. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: deposit liquid pipe (4) and be close to the one end fixed mounting at extraction pipe (1) center and have connecting pipe three (16), the inner chamber fixed mounting of extraction pipe (1) has support frame (17), the middle part swing joint of support frame (17) has ball screw two (18), the surface meshing of ball screw two (18) has meshing cover (19) and closing plate (20), the equal swing joint in both ends has fixed pipe (21) about meshing cover (19), dig the lateral wall of getting shell (9) and seted up dehydration hole (25).
3. The river channel dredging device for hydraulic engineering construction according to claim 2, characterized in that: the bottom end of the second ball screw (18) is fixedly provided with a shearing fan blade (22), the shearing fan blade (22) is located below the meshing sleeve (19), the shearing fan blade (22) is located above the closing plate (20), and the shearing fan blade (22) is movably connected into the inner cavity of the extraction pipe (1).
4. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: the dewatering plate (24) is movably connected to the middle of the lifting shell (8) and the middle of the digging shell (9), the length value and the width value of the dewatering plate (24) are respectively equal to the length value and the width value of the inner cavity of the lifting shell (8), a positioning shaft (23) is fixedly mounted on the top surface of the dewatering plate (24), the number of the positioning shafts (23) is three, and the positioning shafts (23) are respectively movably connected to the outer portion of the closing plate (20).
5. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: one end of the first communicating pipe (10) far away from the center of the extraction pipe (1) is fixedly arranged at the top end of the arc-shaped guide pipe (11), and the bottom end of the arc-shaped push block (12) is fixedly arranged on the left side surface and the right side surface of the digging shell (9).
6. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: the top end of the cylindrical push block (15) is fixedly installed on the top surface of the inner cavity of the lifting shell (8), and limiting rings are fixedly installed at the bottom end of the cylindrical push block (15) and the surface of the arc-shaped push block (12).
7. The river channel dredging device for hydraulic engineering construction according to claim 2, characterized in that: the left end and the right end of the fixed pipe (21), the liquid storage pipe (4) and the meshing sleeve (19) are communicated through the third connecting pipe (16), the bottom end of the third connecting pipe (16) is fixedly installed at the left end and the right end of the top surface of the supporting frame (17), and the fixed pipe (21) is located right below the bottom end of the third connecting pipe (16).
8. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: the pressing plate (7) is located above the connecting pipe III (16) and the communicating pipe I (10), and the top end of the communicating pipe I (10) is located above the lifting shell (8).
9. The river channel dredging device for hydraulic engineering construction according to claim 1, characterized in that: the cross sections of the bottom end and the front end and the rear end of each digging shell (9) are triangular, and the sum of the width values of the two digging shells (9) is equal to the length value of the lifting shell (8).
10. The operation method of the river channel dredging device for hydraulic engineering construction according to any one of claims 1-9, wherein: the method comprises the following steps:
when the liquid storage device is used, the servo motor (5) is started, the servo motor (5) drives the ball screw I (6) to rotate, the ball screw I (6) drives the pressing plate (7) to move upwards when rotating, the pressing plate (7) can drive liquid at the bottom end of the inner cavity of the liquid storage pipe (4) to move upwards when moving upwards, meanwhile, the liquid in the connecting pipe III (16), the arc-shaped guide pipe (11) and the cylindrical guide pipe (14) can be pumped into the inner cavity of the liquid storage pipe (4), thereby driving the arc-shaped push block (12) to rotate upwards in the inner cavity of the arc-shaped guide pipe (11) to ensure that the two digging shells (9) rotate and open towards two sides respectively, meanwhile, the cylindrical push block (15) moves downwards in the inner cavity of the cylindrical guide tube (14), thereby reducing the sum of the length values of the cylindrical guide pipe (14) and the cylindrical push block (15) and enabling the dewatering plate (24) to move upwards corresponding to the lifting shell (8);
moving the device to the bottom end of the riverbed in the riverway, and slowly inserting the bottom ends of the two digging shells (9) into the sludge;
then the servo motor (5) drives the ball screw I (6) to rotate reversely, so that the ball screw I (6) drives the pressing plate (7) to move downwards, liquid at the bottom end of the liquid storage pipe (4) is respectively pressed into the cylindrical guide pipe (14), the arc-shaped guide pipe (11) and the connecting pipe III (16), when the liquid enters the arc-shaped guide pipe (11), the arc-shaped push block (12) is pressed downwards, the arc-shaped push block (12) drives the two excavating shells (9) to rotate oppositely, and therefore the two excavating shells (9) are closed at the bottom end of the lifting shell (8), sludge is excavated in inner cavities of the lifting shell (8) and the excavating shell (9), the effect of cleaning the sludge in a river channel is achieved, and the normal use effect of hydraulic engineering is guaranteed;
after liquid at the bottom end of the liquid storage pipe (4) enters the cylindrical guide pipe (14) through the second connecting pipe (13), the cylindrical push block (15) can be jacked upwards, so that the sum of the length values of the cylindrical guide pipe (14) and the cylindrical push block (15) can be increased, the dewatering plate (24) moves downwards relative to the lifting shell (8), at the moment, sludge in the inner cavities of the lifting shell (8) and the digging shell (9) can be pressed downwards, the sludge is dewatered, and separated water flows out of the dewatering hole (25) and enters a river channel;
when liquid at the bottom end of the liquid storage pipe (4) enters the connecting pipe III (16), the liquid can enter the left end and the right end of the meshing sleeve (19) through the fixed pipe (21), so that the meshing sleeve (19) is pushed downwards, the supporting frame (17) can be driven to rotate through the ball screw II (18) through the meshing of the ball screw II (18) and the meshing sleeve (19), the closing plate (20) can be driven to move upwards through the meshing of the ball screw II (18) and the closing plate (20), and the bottom end of the extraction pipe (1) is opened;
then starting a mud pump (2), wherein the inner cavities of the pumping pipe (1), the mud pump (2), the lifting shell (8) and the excavating shell (9) are communicated, and the mud pump (2) can pump the mud in the inner cavities of the lifting shell (8) and the excavating shell (9) upwards to enable the mud to be sprayed out from the top end of the mud pump (2);
when the sludge is pumped by the sludge pump (2), the servo motor (5) continuously drives the ball screw I (6) to perform reciprocating rotation in a small range, so that the pressing plate (7) performs reciprocating movement in a small range up and down, the lifting shell (8) and the two digging shells (9) are magnetically connected through the magnetic strips (26), the flowing of liquid in the arc-shaped conduit (11) cannot overcome the magnetic force between the magnetic strips (26) through the arc-shaped push block (12), so that the tight contact between the lifting shell (8) and the digging shells (9) is realized, at the moment, the meshing sleeve (19) is subjected to the flowing of the liquid in the connecting pipe III (16), so that the meshing sleeve (19) performs reciprocating movement up and down, the ball screw II (18) is driven to perform reciprocating rotation in a small range, the shearing fan blades (22) are driven to perform reciprocating rotation in a small range, and when the sludge passes through the shearing fan blade (22) area, the sludge may be shredded by rotation of the shearing blades (22);
after the lifting shell (8) and the sludge in the digging shell (9) are extracted, the device is moved to the next place where the sludge needs to be cleaned, and the steps are repeated, so that the sludge in the river channel can be continuously cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811367.1A CN113529835A (en) | 2021-07-19 | 2021-07-19 | River channel dredging device for hydraulic engineering construction and operation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110811367.1A CN113529835A (en) | 2021-07-19 | 2021-07-19 | River channel dredging device for hydraulic engineering construction and operation method |
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| CN113529835A true CN113529835A (en) | 2021-10-22 |
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| CN202110811367.1A Withdrawn CN113529835A (en) | 2021-07-19 | 2021-07-19 | River channel dredging device for hydraulic engineering construction and operation method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207267999U (en) * | 2017-09-28 | 2018-04-24 | 广州市诚铁监理咨询有限公司 | A kind of dredging device for river channels |
| US20180354835A1 (en) * | 2017-01-09 | 2018-12-13 | F. Michael Lewis | Method and Apparatus for Increasing Dewatering Efficiency |
| CN212104252U (en) * | 2020-01-14 | 2020-12-08 | 王为民 | Be used for hydraulic engineering river course desilting device |
| CN212896555U (en) * | 2020-06-30 | 2021-04-06 | 湖北昊源建设工程有限公司 | Sediment removal device is used in hydraulic engineering construction |
| CN213062167U (en) * | 2020-08-08 | 2021-04-27 | 福建省汇业建设工程有限公司 | Dredging device for hydraulic engineering |
-
2021
- 2021-07-19 CN CN202110811367.1A patent/CN113529835A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180354835A1 (en) * | 2017-01-09 | 2018-12-13 | F. Michael Lewis | Method and Apparatus for Increasing Dewatering Efficiency |
| CN207267999U (en) * | 2017-09-28 | 2018-04-24 | 广州市诚铁监理咨询有限公司 | A kind of dredging device for river channels |
| CN212104252U (en) * | 2020-01-14 | 2020-12-08 | 王为民 | Be used for hydraulic engineering river course desilting device |
| CN212896555U (en) * | 2020-06-30 | 2021-04-06 | 湖北昊源建设工程有限公司 | Sediment removal device is used in hydraulic engineering construction |
| CN213062167U (en) * | 2020-08-08 | 2021-04-27 | 福建省汇业建设工程有限公司 | Dredging device for hydraulic engineering |
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Application publication date: 20211022 |