CN115012464A - River mouth floating mud dredging device capable of relieving channel desilting pressure - Google Patents
River mouth floating mud dredging device capable of relieving channel desilting pressure Download PDFInfo
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- CN115012464A CN115012464A CN202210742114.8A CN202210742114A CN115012464A CN 115012464 A CN115012464 A CN 115012464A CN 202210742114 A CN202210742114 A CN 202210742114A CN 115012464 A CN115012464 A CN 115012464A
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- aeration
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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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
- C02F7/00—Aeration of stretches of water
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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
- E02F3/90—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
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a river mouth floating mud dredging device for relieving the dredging pressure of a channel, belongs to the technical field of river dredging, and solves the problems of low dredging efficiency, inconvenient transfer operation and the like of the conventional floating mud dredging device. Including transport vechicle and frame, the middle part of transport vechicle is equipped with the rotating base, be equipped with davit mechanism on the rotating base, the rear side of transport vechicle is equipped with the hydraulic pressure lift base of two symmetries, be equipped with defeated mud lifting machine between two hydraulic pressure lift bases, the frame detachably sets up at davit mechanism end when using, and places in defeated mud lifting machine top, the frame rear side is equipped with and strains mud crawler attachment, the frame front side articulates there is two interconnect's first aeration mechanism, the side of two first aeration mechanisms all articulates there is second aeration mechanism. The invention can quickly spray and push floating mud and river water into the frame to filter the floating mud and the river water, and convey and collect the filtered mud and sand; meanwhile, the mud conveying hoister and the frame are convenient to fold, unfold and use, and convenient to transfer operation positions.
Description
Technical Field
The invention belongs to the technical field of river dredging, and relates to a floating mud dredging device, in particular to a river mouth floating mud dredging device for relieving the dredging pressure of a channel.
Background
The floating mud of river is usually composed of clay, silt, organic matter and mixture of various minerals, and is formed by depositing on the bottom of channel desilting through long-time physical, chemical and biological actions and water body transmission.
With the rapid development of economy, water bodies such as rivers, lakes, river estuaries and mudflats are polluted to different degrees, and pollutants in the water bodies can be combined with bottom mud particles at the bottoms of the water bodies through the actions of precipitation, complexation, adsorption and the like, so that the content of the pollutants in the bottom mud of many rivers seriously exceeds the standard. The main pollutants in the bottom mud comprise heavy metal pollution, nutrient element pollution, organic matter pollution and the like. When the water flow is disturbed, the pollutants can be released into the water body, which brings hidden danger to the water use safety of the water body.
Dredging can relieve the dredging pressure of the channel and can also avoid secondary pollution.
The prior engineering dredging technology can be generally divided into dry engineering dredging and wet engineering dredging, wherein the dry engineering dredging refers to pumping water, after naturally air-drying the dredged sediment and reducing the water content to a certain value, earth excavation construction is carried out by adopting a land construction machine, namely, dredged objects are excavated and loaded on a dump truck by utilizing the earth excavation machine, and the dredged objects are transported to a specified place by the dump truck to be stacked, and the dry engineering dredging has the characteristics of low water content and small volume of the discharged sediment, but the sediment containing pollutants in a governing basin can be exposed in the air for a long time in the operation process, so that the harm is easily caused to the surrounding environment and operators; the problem of secondary pollution to the environment can be well controlled in wet engineering dredging, but the design form of the reamer of the dredger determines that the reamer can generate large disturbance to a water body in the operation process, so that pollutant substances in bottom sediment migrate to an overlying water body, and adverse effects can be brought to the water body in a dredging area. Engineering dredging is used as a common dredging method in the current water conservancy industry, the technology and equipment are mature, and dry engineering dredging has strong adaptability to seasonal rivers.
Through retrieval, as disclosed in chinese patent documents, a rapid dewatering device for environmental-friendly dredging sludge in lakes and rivers [ application number: CN 202120554246.9; publication No.: CN214881044U ]. Such devices include soil pits; the soil pit comprises a sludge storage dehydration layer for containing the dredged sludge, a blocking layer which is arranged at the downstream of the sludge storage dehydration layer and is used for blocking the dredged sludge of the sludge storage dehydration layer, a vertical water filtering mechanism which penetrates through the sludge storage dehydration layer and the blocking layer and is vertically arranged along the soil pit and is used for blocking solid sludge in the dredged sludge and enabling water in the dredged sludge to pass through, and a drainage layer which is arranged at the downstream of the blocking layer and at the output end of the water filtering mechanism and is used for receiving water discharged from the water filtering mechanism; the mud storage dehydration layer, the blocking layer and the drainage layer are sequentially distributed in the soil pit from top to bottom. Although the sludge dredging quick dewatering device has good drainage effect and low cost; but it is inconvenient to move the operation site, transport and collect the silt.
Based on the above, a river mouth floating mud dredging device for relieving the dredging pressure of the channel is provided; the first aeration mechanism, the second aeration mechanism and the air compression pump are matched to realize the pushing of the floating mud and the river water, the floating mud and the river water are pushed into the frame in a spraying manner in a matching manner with the direction of water flow, and the filtering is performed quickly;
the mud filtering crawler belt mechanism is matched with the frame to filter floating mud and river water, and the mud filtering crawler belt conveys the filtered mud downwards to fall into a mud discharge port for collection;
the depth of the feed hopper can be adjusted by matching the mud conveying hoister with the hydraulic lifting base, and meanwhile, the mud conveying hoister can be folded and unfolded, so that the mud conveying hoister can be conveniently folded and unfolded for use;
through davit mechanism and frame cooperation, conveniently realize the use of receiving and releasing of frame, easy operation.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a river mouth floating mud dredging device for relieving the channel dredging pressure, and the invention aims to solve the technical problems that: how to realize this device and conveniently remove the operating position, inside pushing into the frame with the mud slick and river water injection, carry out silt fast and filter, carry and collect.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a alleviate estuary floating mud dredging device of channel desilting pressure, including transport vechicle and frame, the middle part of transport vechicle is equipped with the rotating base, be equipped with davit mechanism on the rotating base, the rear side of transport vechicle is equipped with the hydraulic lifting base of two symmetries, be equipped with defeated mud lifting machine between two hydraulic lifting bases, the frame is placed in the transport vechicle top when not using, the frame detachably sets up at davit mechanism end when using, and place in defeated mud lifting machine top, the frame rear side is equipped with and strains mud crawler attachment, the frame front side articulates there are two interconnect's first aeration mechanism, the side of two first aeration mechanisms all articulates there is second aeration mechanism, the top of transport vechicle is equipped with the air-pressure pump, the air-pressure pump is connected through flexible trachea respectively with between two first aeration mechanisms and two second aeration mechanisms.
The working principle of the invention is as follows: the transport vehicle moves to the bank of a river at the river mouth to be dredged, the mud conveying hoister is discharged to extend into the river, the hydraulic lifting base can drive the mud conveying hoister to lift, the depth of the mud conveying hoister extending into the river is controlled, the boom mechanism is connected with the frame and hoisted, the rotating base drives the boom mechanism to rotate to one side of the transport vehicle, then the two first aeration mechanisms and the two second aeration mechanisms are unfolded, the air pressure pump is respectively connected with the two first aeration mechanisms and the two second aeration mechanisms through flexible air pipes, then the rotating base is matched with the boom mechanism, and the frame is arranged at the tail end of the boom mechanism;
two first aeration mechanisms and two second aeration mechanisms are located at the upper stream of a river, the frame and the mud filtering crawler mechanism are located at the lower stream of the river, when dredging is carried out, the air pressure pump aerates the two first aeration mechanisms and the two second aeration mechanisms, the air outlet angle can be adjusted, floating mud in river water is blown to the inside of the frame, the mud filtering crawler mechanism filters river water containing a large amount of floating mud, and filtered mud is guided into the mud conveying hoister to convey the mud out.
The top front side of transport vechicle is equipped with the side shield that two symmetries set up, the frame block is between two side shields when not using, the both sides of transport vechicle all are equipped with the second supporting leg in proper order, the discharge gate, cat ladder and third supporting leg, the rear side of transport vechicle is equipped with the first supporting leg of two symmetries, the rear side middle part of transport vechicle is equipped with the feed inlet, the inside of transport vechicle is equipped with strains the sump, strain sump and feed inlet and discharge gate intercommunication, silt pump can be connected to the discharge gate, the outside of hydraulic pressure lift base all is fixed with the fixed gear.
Structure more than adopting, the block is between two side shields when not using for locking the frame, the transport vechicle removes the river bank limit of the river mouth department that needs dredged, and second supporting leg, third supporting leg and first supporting leg stretch out, contradict on the river bank, guarantee that the transport vechicle is stable, and defeated mud lifting machine carries silt to the feed inlet, carries out the waterlogging caused by excessive rainfall via straining the sump, and silt is followed the discharge gate output, and silt pump and discharge gate cooperation are taken silt out silt.
The suspension arm mechanism comprises an installation base, the installation base is fixed above the rotating base, a hinge seat is arranged above the installation base, a large arm is hinged above the hinge seat, two symmetrical first adjusting rods are hinged between the large arm and the installation base, a telescopic arm group is hinged on the large arm, two second adjusting rods are hinged between the telescopic arm group and the large arm, and a connector is arranged at the end of the telescopic arm group.
Structure more than adopting, the rotation base drives the installation base and rotates, and first regulation pole drives the big arm and rotates around articulated seat and open, and two second regulation poles drive flexible armset and rotate, and then adjust the position of connector, the scalable regulation length of flexible armset to adjust the position of connector, adjust the position of frame promptly.
Defeated mud lifting machine is including defeated material case, the both sides upper end of defeated material case is equipped with two transposition pivots, the transposition pivot is rotated and is set up in two hydraulic lifting base upper ends, the tip of defeated material case is equipped with the transposition motor, be equipped with the transposition driving chain between the output shaft of transposition motor and one of them transposition pivot, the downside tip of defeated material case is equipped with flexible play hopper, flexible play hopper is connected with the feed inlet when using, the inside of defeated material case is equipped with two spiral opposite direction's promotion auger, the top of defeated material case is fixed with two auger motors, be equipped with the auger driving chain between auger motor's the output shaft and the promotion auger that corresponds the position, the feed end of defeated material case is equipped with the feeder hopper, the feeder hopper top is fixed with the feeding reinforcing plate, the bottom plate of defeated material case is equipped with a plurality of pores, be equipped with movable gear in the transposition pivot, movable gear and fixed gear meshing.
Structure more than adopting, the feeding reinforcing plate is used for connecting frame, the output shaft of transposition motor passes through the transposition driving chain, it rotates around hydraulic lifting base to drive one of them transposition pivot, moving gear rotates around fixed gear engagement, thereby drive defeated workbin roll-over angle, moving gear and fixed gear engagement, the position of defeated workbin of locking, the output shaft of two auger motors passes through auger driving chain and drives promotion auger antiport, silt falls into inside the feeder hopper, through two promotion augers that spiral opposite direction is opposite, upwards carry silt, silt is derived from flexible play hopper, inside the leading-in feed inlet, get into the drainage storehouse.
The below of frame is equipped with the inserted bar, and the inserted bar of frame is inserted and is closed on the feeding reinforcing plate when using, and the top of frame is fixed with the connecting seat, and the connecting seat is connected with connector detachable, and the inside of frame is equipped with strains the workbin, and the rear side of straining the workbin is equipped with storage box, and the downside of straining the workbin is equipped with the mud discharging mouth, is equipped with between frame and a first aeration mechanism that is close to and receives electric putter.
Structure more than adopting, receive and close the first aeration mechanism that electric putter expandes to be close to, during the use, the connecting seat is connected with the connector, through davit mechanism, inserts the inserted bar of frame and closes on the feeding reinforcing plate, guarantees its stable in position, inside silt and water process first aeration mechanism and second aeration mechanism, rushed into the filter box, filter mud crawler attachment filtered silt and water, water is through filtering mud crawler attachment, inside silt fell into the feeder hopper from the mud discharge opening.
The mud filtering crawler mechanism comprises two symmetrical supports, supports are arranged at two ends of the outer side of each support, the supports are fixed inside the storage box, mud filtering rotating shafts are arranged between the two opposite supports, a mud filtering crawler belt is arranged between the two mud filtering rotating shafts, a mud filtering motor is fixed on one support, and an output shaft of the mud filtering motor is in transmission connection with the mud filtering rotating shaft corresponding to the support.
Structure more than adopting, the output shaft of straining the mud motor drives the mud filter pivot transmission that corresponds with this support and is connected to two mud filter pivots and the cooperation of straining the mud track, drive the mud filter track and rotate, silt and river can be filtered to the mud filter track, and the river passes through the mud filter track, and silt filters the whereabouts, falls into the mud discharge mouth.
First aeration mechanism includes the first aeration frame of accomodating, receive to close electric putter and articulate and first accomodate between aeration frame and the frame, the first aeration subassembly that is equipped with of accomodating inside the aeration frame, the first aeration frame of accomodating of two first aeration mechanisms is equipped with first articulated frame between the frame, the first both sides of accomodating the aeration frame of one of them first aeration mechanism are equipped with the locking lever, the inside pole that closes that is equipped with of locking lever, the first both sides of accomodating the aeration frame of another first aeration mechanism are equipped with the tube of inserting, the pole of inserting closes the intraduct that closes that inserts at the corresponding position.
Structure more than adopting, receive the extension of receipts electric putter, the aeration frame that first accomodating of the first aeration mechanism that will be close to the frame expandes, the aeration frame that first accomodating of another first aeration mechanism is expanded to rethread first articulated frame, then will insert to close the pole and insert to close at the interpolation that corresponds the position and close intraductively, make two first aeration mechanism levels place, it is jet-propelled that a plurality of first aeration subassembly cooperations of two first aeration mechanisms are jet-propelled, river and the rivers direction cooperation that will contain silt, it pushes inside the frame to spray.
First aeration subassembly includes that first positioning is responsible for axle and first positioning motor, and first positioning is responsible for the axle and rotates to set up inside first receipts aeration frame, and first positioning motor is fixed on first receipts aeration frame, and the output shaft and the first positioning of first positioning motor are responsible for the axle and rotate and be connected, and first positioning is responsible for the epaxial first aeration branch pipe that is equipped with a plurality of symmetries, is equipped with a plurality of aeration shower nozzles on the first aeration branch pipe, and first positioning is responsible for and is connected through flexible trachea between axle and the air-operated pump.
Structure more than adopting, first positioning motor drives first positioning and is responsible for the axle and rotate to drive the certain angle of the rotation slope of the first aeration branch pipe of a plurality of symmetries, the air-pressure pump pours into the first positioning through flexible trachea with the air and is responsible for the axle inside, gets into first aeration branch pipe, from a plurality of aeration shower nozzles blowout, contains the river of silt and rivers direction cooperation, pushes inside the frame with its injection.
The second aeration mechanism comprises a second storage aeration frame, a second hinge frame is arranged between the second storage aeration frame and the first storage aeration frame corresponding to the second storage aeration frame, a limit bolt is arranged between the second storage aeration frame and the first storage aeration frame corresponding to the second storage aeration frame, and a plurality of second aeration assemblies are arranged inside the second storage aeration frame.
Structure more than adopting, the aeration frame is accomodate to two second aeration mechanism's second, accomodates the aeration frame through the second and expandes, then the position that the aeration frame was accomodate to spacing bolt injects the second for two second aeration mechanism's second is accomodate the aeration frame and is kept it and first aeration mechanism flush, and a plurality of second aeration subassembly cooperations of two second aeration mechanisms are jet-propelled, and river and the rivers direction cooperation that will contain silt jet and push the upside of first aeration mechanism.
The second aeration subassembly includes that the second positioning is responsible for axle and second positioning motor, and the second positioning is responsible for the rotation of axle and is set up and accomodate the frame of exposing to the air at the second inside, and the second positioning motor is fixed and is accomodate the frame of exposing to the air at the second, and the output shaft and the second positioning of second positioning motor are responsible for the axle and rotate and be connected, and the second positioning is responsible for the epaxial second aeration branch pipe that is equipped with a plurality of symmetries, is equipped with a plurality of aeration shower nozzles on the second aeration branch pipe, and the second positioning is responsible for and is connected through flexible trachea between axle and the air-pressure pump.
Structure more than adopting, second positioning motor drive second positioning is responsible for the axle and is rotated to the rotation slope who drives the second aeration branch pipe of a plurality of symmetries is certain angle, and the air-pressure pump pours into the second positioning through flexible trachea with the air and is responsible for the axle inside, gets into second aeration branch pipe, from a plurality of aeration shower nozzles blowout, contains the river of silt and rivers direction cooperation, pushes its upside that sprays into first aeration mechanism.
Compared with the prior art, the river mouth floating mud dredging device for relieving the channel desilting pressure has the following advantages:
the first aeration mechanism, the second aeration mechanism and the air compression pump are matched to realize the pushing of the floating mud and the river water, the floating mud and the river water are pushed into the frame in a spraying manner in a matching manner with the direction of water flow, and the filtering is performed quickly;
the mud filtering crawler belt mechanism is matched with the frame to filter floating mud and river water, and the mud filtering crawler belt conveys the filtered mud downwards to fall into a mud discharge port for collection;
the depth of the feed hopper can be adjusted by matching the mud conveying hoister with the hydraulic lifting base, and meanwhile, the mud conveying hoister can be folded and unfolded, so that the mud conveying hoister can be conveniently folded and unfolded for use;
through davit mechanism and frame cooperation, conveniently realize the use of receiving and releasing of frame, easy operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention in a dredging state.
Fig. 2 is a front view of the dredging apparatus of the present invention.
Fig. 3 is a schematic perspective view of the foldable device of the present invention.
Fig. 4 is a schematic front view of the foldable device of the present invention.
Fig. 5 is a schematic perspective view of the transport vehicle and boom mechanism of the present invention.
Fig. 6 is a schematic perspective view of the mud conveying hoister in the invention.
Fig. 7 is a schematic perspective view of a mud crawler according to the present invention.
Fig. 8 is a perspective view of a part of the components of the present invention.
In the figure, 1, a transport vehicle; 2. an air pressure pump; 3. a boom mechanism; 4. a mud conveying hoister; 5. a mud filtration crawler mechanism; 6. a frame; 7. a first aeration mechanism; 8. a second aeration mechanism; 9. a hydraulic lifting base; 10. rotating the base; 11. a first support leg; 12. a feed inlet; 13. a second support leg; 14. a discharge port; 15. climbing a ladder; 16. a third support leg; 17. a side dam; 18. installing a base; 19. a large arm; 20. a first adjusting lever; 21. a second adjusting lever; 22. a telescopic arm group; 23. a hinged seat; 24. a connector; 25. a transposition motor; 26. a transposition transmission chain; 27. a rotating shaft for transposition; 28. a flexible discharge hopper; 29. a feed stiffener; 30. a feed hopper; 31. lifting the packing auger; 32. a material conveying box; 33. a packing auger motor; 34. a packing auger transmission chain; 35. a support; 36. a mud filtering motor; 37. a mud filtering crawler belt; 38. a sludge rotating shaft; 39. a support; 40. a connecting seat; 41. a storage box; 42. a material filtering box; 43. a sludge discharge port; 44. a first housing and aeration frame; 45. a first positioning motor; 46. a first positioning main pipe shaft; 47. a first hinge frame; 48. a first aeration branch pipe; 49. an aeration nozzle; 50. a second hinge frame; 51. inserting a tube; 52. inserting and combining the rods; 53. a locking lever; 54. a second housing aeration frame; 55. a second positioning motor; 56. a second positioning main pipe shaft; 57. a second aeration branch pipe; 58. folding the electric push rod; 59. a fixed gear; 60. and a moving gear.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1-8, the river mouth floating mud dredging device for relieving the channel dredging pressure comprises a transport vehicle 1 and a frame 6, wherein the middle part of the transport vehicle 1 is provided with a rotating base 10, the rotating base 10 is provided with a boom mechanism 3, the rear side of the transport vehicle 1 is provided with two symmetrical hydraulic lifting bases 9, a mud conveying lifter 4 is arranged between the two hydraulic lifting bases 9, the frame 6 is placed above the transport vehicle 1 when not in use, the frame 6 is detachably arranged at the tail end of the boom mechanism 3 when in use, the sludge filtering crawler mechanism is arranged on the rear side of the frame 6, two first aeration mechanisms 7 which are connected with each other are hinged on the front side of the frame 6, second aeration mechanisms 8 are hinged on the side edges of the two first aeration mechanisms 7, an air pressure pump 2 is arranged on the upper side of the transport vehicle 1, and the air pressure pump 2 is respectively connected with the two first aeration mechanisms 7 and the two second aeration mechanisms 8 through flexible air pipes;
the transport vehicle 1 moves to a river bank at a river mouth to be dredged, the mud conveying elevator 4 is discharged and extends into the river, the hydraulic lifting base 9 can drive the mud conveying elevator 4 to lift, the depth of the mud conveying elevator 4 extending into the river is controlled, the boom mechanism 3 is connected with the frame 6 and hoisted, the rotating base 10 drives the boom mechanism 3 to rotate to one side of the transport vehicle 1, then the two first aeration mechanisms 7 and the two second aeration mechanisms 8 are unfolded, the air pressure pump 2 is respectively connected with the two first aeration mechanisms 7 and the two second aeration mechanisms 8 through flexible air pipes, then the rotating base 10 is matched with the boom mechanism 3, and the frame 6 is arranged at the tail end of the boom mechanism 3;
two first aeration mechanism 7 and two second aeration mechanism 8 are located the river upper reaches, frame 6 and filter mud track mechanism 5 are located the river lower reaches, during the dredging, air-pressure pump 2 aerates two first aeration mechanism 7 and two second aeration mechanism 8, the angle of giving vent to anger can be adjusted, blow the mud floating in the river inside frame 6, filter mud track mechanism 5 filters the river water that contains a large amount of mud floating, the leading-in mud elevator 4 of filterable silt is inside, carry out silt.
The front side above the transport vehicle 1 is provided with two symmetrically arranged side baffles 17, the frame 6 is clamped between the two side baffles 17 when not in use, two sides of the transport vehicle 1 are respectively and sequentially provided with a second supporting leg 13, a discharge hole 14, a ladder stand 15 and a third supporting leg 16, the rear side of the transport vehicle 1 is provided with two symmetrical first supporting legs 11, the middle part of the rear side of the transport vehicle 1 is provided with a feed inlet 12, the interior of the transport vehicle 1 is provided with a water filtering bin, the water filtering bin is communicated with the feed inlet 12 and the discharge hole 14, the discharge hole 14 can be connected with a sludge pump, and the outer side of the hydraulic lifting base 9 is fixed with a fixed gear 59;
The suspension arm mechanism 3 comprises a mounting base 18, the mounting base 18 is fixed above the rotating base 10, a hinge base 23 is arranged above the mounting base 18, a large arm 19 is hinged above the hinge base 23, two symmetrical first adjusting rods 20 are hinged between the large arm 19 and the mounting base 18, a telescopic arm group 22 is hinged on the large arm 19, two second adjusting rods 21 are hinged between the telescopic arm group 22 and the large arm 19, and a connector 24 is arranged at the end part of the telescopic arm group 22; the rotating base 10 drives the mounting base 18 to rotate, the first adjusting rod 20 drives the large arm 19 to rotate around the hinge base 23 to be opened, the two second adjusting rods 21 drive the telescopic arm group 22 to rotate, the position of the connector 24 is further adjusted, and the telescopic arm group 22 can be adjusted in length in a telescopic mode, so that the position of the connector 24 is adjusted, and the position of the frame 6 is adjusted.
The mud conveying hoister 4 comprises a conveying box 32, two transposition rotating shafts 27 are arranged at the upper ends of two sides of the conveying box 32, the transposition rotating shafts 27 are rotatably arranged at the upper ends of two hydraulic lifting bases 9, a transposition motor 25 is arranged at the end part of the conveying box 32, a transposition transmission chain 26 is arranged between the output shaft of the transposition motor 25 and one of the transposition rotating shafts 27, a flexible discharging hopper 28 is arranged at the lower end part of the conveying box 32, the flexible discharging hopper 28 is connected with a feeding port 12 when in use, two lifting augers 31 with opposite spiral directions are arranged in the conveying box 32, two auger motors 33 are fixed above the conveying box 32, an auger transmission chain 34 is arranged between the output shaft of the auger motor 33 and the lifting augers 31 at corresponding positions, a feeding hopper 30 is arranged at the feeding end of the conveying box 32, a feeding reinforcing plate 29 is fixed above the feeding hopper 30, a plurality of pores are arranged on the bottom plate of the conveying box 32, a moving gear 60 is arranged on the transposition rotating shaft 27, the moving gear 60 is meshed with the fixed gear 59;
the feeding reinforcing plate 29 is used for connecting the frame 6, the output shaft of the indexing motor 25 passes through the indexing transmission chain 26, and drives one of the indexing rotating shafts 27 to rotate around the hydraulic lifting base 9, the moving gear 60 rotates around the meshing of the fixed gear 59, thereby driving the material conveying box 32 to rotate and move at an angle, the moving gear 60 is meshed with the fixed gear 59, and the position of the material conveying box 32 is locked, the output shafts of the two auger motors 33 drive the lifting auger 31 to reversely rotate through the auger transmission chain 34, silt falls into the feeding hopper 30, and is upwards conveyed through the two lifting augers 3 with opposite spiral directions, and the silt is guided out from the flexible discharging hopper 28, guided into the feeding port 12 and enters the water filtering bin.
An inserting rod is arranged below the frame 6, the inserting rod of the frame 6 is inserted and closed on the feeding reinforcing plate 29 when in use, a connecting seat 40 is fixed above the frame 6, the connecting seat 40 is detachably connected with the connecting head 24, a filter box 42 is arranged inside the frame 6, a storage box 41 is arranged on the rear side of the filter box 42, a sludge discharge port 43 is arranged on the lower side of the filter box 42, and a folding electric push rod 58 is arranged between the frame 6 and a first aeration mechanism 7 close to the frame 6; receive and close up electric putter 58 and expand a first aeration mechanism 7 that will be close to, during the use, connecting seat 40 is connected with connector 24, through davit mechanism 3, insert the inserted bar of frame 6 and close on feeding reinforcing plate 29, guarantee its stable in position, silt and water are inside filter box 42 through first aeration mechanism 7 and second aeration mechanism 8, wash into, filter mud crawler 5 filters silt and water, water is through filtering mud crawler 5, silt falls into inside feeder hopper 30 from mud discharge opening 43.
The mud filtering crawler 5 comprises two symmetrical supports 35, two ends of the outer side of each support 35 are respectively provided with a support 39, the supports 39 are fixed inside a storage box 41, a mud filtering rotating shaft 38 is arranged between the two opposite supports 39, a mud filtering crawler 37 is arranged between the two mud filtering rotating shafts 38, one support 39 is fixedly provided with a mud filtering motor 36, and an output shaft of the mud filtering motor 36 is in transmission connection with the mud filtering rotating shaft 38 corresponding to the support 39; the output shaft of the mud filtering motor 36 drives the mud filtering rotating shaft 38 corresponding to the support 39 to be in transmission connection, so that the two mud filtering rotating shafts 38 are matched with the mud filtering crawler 37 to drive the mud filtering crawler 37 to rotate, the mud filtering crawler 37 can filter silt and river water, and the river water passes through the mud filtering crawler 37, falls into the mud discharging port 43 after the silt is filtered.
The first aeration mechanisms 7 comprise first accommodating aeration frames 44, a folding electric push rod 58 is hinged between the first accommodating aeration frames 44 and the frame 6, a plurality of first aeration components are arranged inside the first accommodating aeration frames 44, a first hinge frame 47 is arranged between the first accommodating aeration frames 44 of the two first aeration mechanisms 7, locking rods 53 are arranged on two sides of the first accommodating aeration frame 44 of one first aeration mechanism 7, inserting rods 52 are arranged inside the locking rods 53, inserting pipes 51 are arranged on two sides of the first accommodating aeration frame 44 of the other first aeration mechanism 7, and the inserting rods 52 are inserted into the inserting pipes 51 at corresponding positions; receive the extension of receipts electric putter 58, the first aeration frame 44 of accomodating of the first aeration mechanism 7 that will be close to frame 6 expandes, the rethread first articulated frame 47 expandes the first aeration frame 44 of accomodating of another first aeration mechanism 7, then will insert the pole 52 of closing and close inside the pipe 51 of inserting of corresponding position, make two first aeration mechanisms 7 levels place, it is jet-propelled that a plurality of first aeration component cooperations of two first aeration mechanisms 7 are air-jet, with the river and the cooperation of rivers direction that contain silt, it pushes inside frame 6 to spray.
The first aeration assembly comprises a first positioning main pipe shaft 46 and a first positioning motor 45, the first positioning main pipe shaft 46 is rotatably arranged inside a first containing aeration frame 44, the first positioning motor 45 is fixed on the first containing aeration frame 44, an output shaft of the first positioning motor 45 is rotatably connected with the first positioning main pipe shaft 46, a plurality of symmetrical first aeration branch pipes 48 are arranged on the first positioning main pipe shaft 46, a plurality of aeration nozzles 49 are arranged on the first aeration branch pipes 48, and the first positioning main pipe shaft 46 is connected with the air-pressure pump 2 through a flexible air pipe; the first positioning motor 45 drives the first positioning main pipe shaft 46 to rotate, so that the first symmetrical aeration branch pipes 48 are driven to rotate and incline at a certain angle, the air pressure pump 2 injects air into the first positioning main pipe shaft 46 through the flexible air pipe to enter the first aeration branch pipes 48, the air is sprayed out from the aeration spray nozzles 49, and river water containing silt is matched with the water flow direction and is sprayed and pushed into the frame 6.
The second aeration mechanism 8 comprises a second accommodating aeration frame 54, a second hinge frame 50 is arranged between the second accommodating aeration frame 54 and the first accommodating aeration frame 44 at the corresponding position, a limiting bolt is arranged between the second accommodating aeration frame 54 and the first accommodating aeration frame 44 at the corresponding position, and a plurality of second aeration components are arranged inside the second accommodating aeration frame 54; aeration frame 54 is accomodate to two second aeration mechanism 8's second, accomodate aeration frame 54 through the second and expand, then the position of aeration frame 54 is accomodate to spacing bolt injectd the second for two second aeration mechanism 8's second is accomodate aeration frame 54 and is kept flushing it with first aeration mechanism 7, it is jet-propelled that a plurality of second aeration component cooperations of two second aeration mechanism 8 are air-jet, river and the rivers direction cooperation that will contain silt, the upside of first aeration mechanism 7 is pushed in the injection.
The second aeration component comprises a second positioning main pipe shaft 56 and a second positioning motor 55, the second positioning main pipe shaft 56 is rotatably arranged inside a second containing aeration frame 54, the second positioning motor 55 is fixed on the second containing aeration frame 54, an output shaft of the second positioning motor 55 is rotatably connected with the second positioning main pipe shaft 56, a plurality of symmetrical second aeration branch pipes 57 are arranged on the second positioning main pipe shaft 56, a plurality of aeration nozzles 49 are arranged on the second aeration branch pipes 57, and the second positioning main pipe shaft 56 is connected with the air pressure pump 2 through a flexible air pipe; the second positioning motor 55 drives the second positioning main pipe shaft 56 to rotate, so as to drive the second aeration branch pipes 57 which are symmetrical to each other to rotate and incline at a certain angle, the air pressure pump 2 injects air into the second positioning main pipe shaft 56 through the flexible air pipe, the air pressure pump enters the second aeration branch pipes 57 and is sprayed out from the plurality of aeration nozzles 49, and river containing silt is matched with the water flow direction to be sprayed and pushed into the upper side of the first aeration mechanism 7.
The device also comprises a sludge pump arranged on the transport vehicle 1, wherein the feeding end of the sludge pump is connected with a plurality of collecting hoppers through a plurality of connecting hoppers, and the collecting hoppers are connected to the lower side of the sludge discharge port 43 and directly pump out suspended silt in river water.
The working principle of the invention is as follows:
the transport vehicle 1 moves to the bank of a river at the river mouth to be dredged, the second support leg 13, the third support leg 16 and the first support leg 11 extend out to abut against the bank of the river to ensure the stability of the transport vehicle 1, the output shaft of the indexing motor 25 drives one of the indexing rotating shafts 27 to rotate around the hydraulic lifting base 9 through the indexing transmission chain 26, the moving gear 60 rotates around the fixed gear 59 in a meshed mode, so that the material conveying box 32 is driven to rotate by a moving angle, the feeding hopper 30 of the mud conveying elevator 4 extends into the river, and the moving gear 60 is meshed with the fixed gear 59 to lock the position of the material conveying box 32;
the hydraulic lifting base 9 can drive the mud conveying hoister 4 to lift, and the depth of a feed hopper 30 of the mud conveying hoister 4 extending into a river is controlled;
the connecting seat 40 is connected with the connecting head 24, the rotating base 10 drives the mounting base 18 to rotate, the first adjusting rod 20 drives the large arm 19 to rotate and open around the hinge seat 23, the two second adjusting rods 21 drive the telescopic arm group 22 to rotate, the position of the connecting head 24 is further adjusted, the frame 6 is hoisted, and the rotating base 10 drives the suspension arm mechanism 3 to rotate to one side of the transport vehicle 1;
the folding electric push rod 58 extends, the first containing aeration frame 44 of the first aeration mechanism 7 close to the frame 6 is unfolded, the first containing aeration frame 44 of the other first aeration mechanism 7 is unfolded through the first hinge frame 47, and then the inserting rod 52 is inserted into the inserting pipe 51 at the corresponding position, so that the two first aeration mechanisms 7 are horizontally placed;
the second containing aeration frames 54 of the two second aeration mechanisms 8 are unfolded through the second containing aeration frames 54, and then the position of the second containing aeration frame 54 is limited by the limiting bolt, so that the second containing aeration frames 54 of the two second aeration mechanisms 8 are kept flush with the first aeration mechanism 7;
the rotating base 10 drives the mounting base 18 to rotate, the first adjusting rod 20 drives the large arm 19 to rotate and open around the hinge base 23, the two second adjusting rods 21 drive the telescopic arm group 22 to rotate, the position of the connector 24 is further adjusted, the telescopic arm group 22 can telescopically adjust the length, the position of the connector 24 is adjusted, namely the position of the frame 6 is adjusted, the inserting rods of the frame 6 are inserted on the feeding reinforcing plate 29, and the position stability of the frame 6 is guaranteed;
at this time, the two first aeration mechanisms 7 and the two second aeration mechanisms 8 are located upstream of the river, and the frame 6 and the sludge crawler 5 are located downstream of the river;
during dredging, the second positioning motor 55 drives the second positioning main pipe shaft 56 to rotate, so that a plurality of symmetrical second aeration branch pipes 57 are driven to rotate and incline at a certain angle, the air pump 2 injects air into the second positioning main pipe shaft 56 through a flexible air pipe, the air enters the second aeration branch pipes 57 and is sprayed out from a plurality of aeration spray nozzles 49, and river water containing silt is matched with the direction of water flow and is sprayed and pushed to the upper side of the first aeration mechanism 7;
the first positioning motor 45 drives the first positioning main shaft 46 to rotate, so that a plurality of symmetrical first aeration branch pipes 48 are driven to rotate and incline at a certain angle, the air pressure pump 2 injects air into the first positioning main shaft 46 through the flexible air pipe, the air enters the first aeration branch pipes 48 and is sprayed out from a plurality of aeration nozzles 49, and river water containing silt is matched with the direction of water flow and is sprayed and pushed into the frame 6;
the output shaft of the mud filtering motor 36 drives the mud filtering rotating shafts 38 corresponding to the support 39 to be in transmission connection, so that the two mud filtering rotating shafts 38 are matched with the mud filtering crawler 37 to drive the mud filtering crawler 37 to rotate, the mud filtering crawler 37 can filter silt and river water, and the river water passes through the mud filtering crawler 37, the silt is filtered and falls down and falls into the mud discharge port 43;
inside silt fell into feeder hopper 30, through two opposite spiral direction's promotion auger 3, upwards carried silt, silt was derived from flexible play hopper 28, and inside leading-in feed inlet 12, entering filtration storehouse carried out the waterlogging caused by excessive rainfall via filtration storehouse, and silt is exported from discharge gate 14, and silt pump and discharge gate 14 cooperation are taken silt out.
The device can directly set a sludge pump on the transport vehicle 1 without using a sludge conveying hoist 4, the feeding end of the sludge pump is connected with a plurality of collecting hoppers through a plurality of connecting collecting hoppers, and the collecting hoppers are connected to the lower side of the sludge discharge port 43 and directly pump out suspended silt in river water.
In conclusion, the first aeration mechanism 7, the second aeration mechanism 8 and the air pressure pump 2 are matched to push the floating mud and the river water, the floating mud and the river water are pushed into the frame 6 in a spraying manner in cooperation with the water flow direction, and the filtering is performed quickly;
the mud filtering crawler belt mechanism 5 is matched with the frame 6 to filter floating mud and river water, and the mud filtering crawler belt 37 conveys the filtered mud downwards to fall into a mud discharging opening 43 for collection;
the depth of the feed hopper 30 can be adjusted by matching the mud conveying hoister 4 with the hydraulic lifting base 9, and meanwhile, the mud conveying hoister 4 can be folded and unfolded, so that the mud conveying hoister 4 can be conveniently folded and unfolded for use;
through the cooperation of davit mechanism 3 and frame 6, conveniently realize the use of receiving and releasing of frame 6, easy operation.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A river mouth floating mud dredging device for relieving channel dredging pressure comprises a transport vehicle (1) and a frame (6), and is characterized in that a rotary base (10) is arranged in the middle of the transport vehicle (1), a boom mechanism (3) is arranged on the rotary base (10), two symmetrical hydraulic lifting bases (9) are arranged on the rear side of the transport vehicle (1), a mud conveying lifting machine (4) is arranged between the two hydraulic lifting bases (9), the frame (6) is placed above the transport vehicle (1) when not in use, the frame (6) is detachably arranged at the tail end of the boom mechanism (3) and placed above the mud conveying lifting machine (4) when in use, a mud filtering crawler mechanism (5) is arranged on the rear side of the frame (6), two first aeration mechanisms (7) which are connected with each other are hinged on the front side of the frame (6), and second aeration mechanisms (8) are hinged on the side edges of the two first aeration mechanisms (7), an air pressure pump (2) is arranged above the transport vehicle (1), and the air pressure pump (2) is respectively connected with the two first aeration mechanisms (7) and the two second aeration mechanisms (8) through flexible air pipes.
2. The river mouth floating mud dredging device for relieving channel dredging pressure, according to claim 1, characterized in that two symmetrically arranged side baffles (17) are arranged on the upper front side of the transport vehicle (1), the frame (6) is clamped between the two side baffles (17) when not in use, second supporting legs (13), a discharge hole (14), a ladder stand (15) and third supporting legs (16) are sequentially arranged on both sides of the transport vehicle (1), two symmetrical first supporting legs (11) are arranged on the rear side of the transport vehicle (1), a feed inlet (12) is arranged in the middle of the rear side of the transport vehicle (1), a water filtering bin is arranged inside the transport vehicle (1), the water filtering bin is communicated with the feed inlet (12) and the discharge hole (14), the discharge hole (14) can be connected with a mud pump, and a fixed gear (59) is fixed on the outer side of the hydraulic lifting base (9).
3. The river mouth floating mud dredging device for relieving the channel dredging pressure, as claimed in claim 1 or 2, characterized in that the boom mechanism (3) comprises a mounting base (18), the mounting base (18) is fixed above the rotating base (10), a hinged base (23) is arranged above the mounting base (18), a large arm (19) is hinged above the hinged base (23), two symmetrical first adjusting rods (20) are hinged between the large arm (19) and the mounting base (18), a telescopic arm group (22) is hinged on the large arm (19), two second adjusting rods (21) are hinged between the telescopic arm group (22) and the large arm (19), and a connector (24) is arranged at the end of the telescopic arm group (22).
4. The river mouth floating mud dredging device for relieving channel dredging pressure, according to claim 3, characterized in that the mud conveying elevator (4) comprises a conveying box (32), two transposition rotating shafts (27) are arranged at the upper ends of the two sides of the conveying box (32), the transposition rotating shafts (27) are rotatably arranged at the upper ends of the two hydraulic lifting bases (9), a transposition motor (25) is arranged at the end part of the conveying box (32), a transposition transmission chain (26) is arranged between the output shaft of the transposition motor (25) and one of the transposition rotating shafts (27), a flexible discharging hopper (28) is arranged at the lower end part of the conveying box (32), the flexible discharging hopper (28) is connected with the feed port (12) when in use, two lifting augers (31) with opposite spiral directions are arranged inside the conveying box (32), two auger motors (33) are fixed above the conveying box (32), and an auger transmission chain (31) is arranged between the output shaft of the auger motor (33) and the lifting auger transmission auger (31) at the corresponding position 34) The feeding end of the material conveying box (32) is provided with a feeding hopper (30), a feeding reinforcing plate (29) is fixed above the feeding hopper (30), a bottom plate of the material conveying box (32) is provided with a plurality of fine holes, a shifting rotating shaft (27) is provided with a moving gear (60), and the moving gear (60) is meshed with a fixed gear (59).
5. The river mouth floating mud dredging device for relieving the channel dredging pressure, according to claim 4, characterized in that an insert rod is arranged below the frame (6), the insert rod of the frame (6) is inserted and combined on the feeding reinforcing plate (29) when in use, a connecting seat (40) is fixed above the frame (6), the connecting seat (40) is detachably connected with the connecting head (24), a filter material box (42) is arranged inside the frame (6), a storage box (41) is arranged at the rear side of the filter material box (42), a mud discharging port (43) is arranged at the lower side of the filter material box (42), and a folding electric push rod (58) is arranged between the frame (6) and a first aeration mechanism (7) close to the frame.
6. The river mouth floating mud dredging device for relieving the channel desilting pressure, as claimed in claim 5, characterized in that the mud filtering crawler mechanism (5) comprises two symmetrical brackets (35), both ends of the outer side of each bracket (35) are provided with a support (39), the supports (39) are fixed inside the storage box (41), a mud filtering rotating shaft (38) is arranged between the two opposite supports (39), a mud filtering crawler (37) is arranged between the two mud filtering rotating shafts (38), one support (39) is fixed with a mud filtering motor (36), and the output shaft of the mud filtering motor (36) is in transmission connection with the mud filtering rotating shaft (38) corresponding to the support (39).
7. The estuary floating-mud dredging apparatus for relieving channel dredging pressure according to claim 6, it is characterized in that the first aeration mechanism (7) comprises a first containing aeration frame (44), a folding electric push rod (58) is hinged between the first containing aeration frame (44) and the frame (6), a plurality of first aeration components are arranged in the first containing aeration frame (44), a first hinge frame (47) is arranged between the first containing aeration frames (44) of the two first aeration mechanisms (7), two sides of the first containing aeration frame (44) of one first aeration mechanism (7) are provided with locking rods (53), insertion pipes (51) are arranged on two sides of the first containing aeration frame (44) of the other first aeration mechanism (7), and the insertion pipes (51) are inserted into the insertion pipes (51) at corresponding positions by the insertion rods (52).
8. The river mouth floating mud dredging device for relieving the channel dredging pressure, according to claim 7, wherein the first aeration assembly comprises a first positioning main pipe shaft (46) and a first positioning motor (45), the first positioning main pipe shaft (46) is rotatably arranged inside the first containing aeration frame (44), the first positioning motor (45) is fixed on the first containing aeration frame (44), an output shaft of the first positioning motor (45) is rotatably connected with the first positioning main pipe shaft (46), a plurality of symmetrical first aeration branch pipes (48) are arranged on the first positioning main pipe shaft (46), a plurality of aeration nozzles (49) are arranged on the first aeration branch pipes (48), and the first positioning main pipe shaft (46) is connected with the air pressure pump (2) through a flexible air pipe.
9. The river mouth floating mud dredging device for relieving the channel dredging pressure according to claim 8, wherein the second aeration mechanism (8) comprises a second accommodating aeration frame (54), a second hinge frame (50) is arranged between the second accommodating aeration frame (54) and the first accommodating aeration frame (44) at the corresponding position, a limiting bolt is arranged between the second accommodating aeration frame (54) and the first accommodating aeration frame (44) at the corresponding position, and a plurality of second aeration assemblies are arranged inside the second accommodating aeration frame (54).
10. The river mouth floating mud dredging device for relieving the channel dredging pressure, according to claim 9, wherein the second aeration assembly comprises a second positioning main pipe shaft (56) and a second positioning motor (55), the second positioning main pipe shaft (56) is rotatably arranged inside the second containing aeration frame (54), the second positioning motor (55) is fixed on the second containing aeration frame (54), an output shaft of the second positioning motor (55) is rotatably connected with the second positioning main pipe shaft (56), a plurality of symmetrical second aeration branch pipes (57) are arranged on the second positioning main pipe shaft (56), a plurality of aeration nozzles (49) are arranged on the second aeration branch pipes (57), and the second positioning main pipe shaft (56) is connected with the air pressure pump (2) through a flexible air pipe.
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| CN202210742114.8A CN115012464B (en) | 2022-06-27 | 2022-06-27 | River mouth floating mud dredging device for relieving channel dredging pressure |
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| CN202210742114.8A CN115012464B (en) | 2022-06-27 | 2022-06-27 | River mouth floating mud dredging device for relieving channel dredging pressure |
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| CN113089757A (en) * | 2021-04-28 | 2021-07-09 | 张军正 | Pretreatment robot for sludge at bottom of pool |
| CN114375916A (en) * | 2021-11-24 | 2022-04-22 | 上海荇衍生物科技工程有限公司 | Snail fishing boat |
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| KR20100000477A (en) * | 2008-06-25 | 2010-01-06 | 주식회사 코스코 | Remote control underwater dredging apparatus |
| CN107719593A (en) * | 2017-09-11 | 2018-02-23 | 上海电机学院 | A kind of Water surface refuse collecting boat for possessing floating type salvaging transport structure |
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