CN111719629A

CN111719629A - Hydraulic engineering desilting device

Info

Publication number: CN111719629A
Application number: CN202010601693.5A
Authority: CN
Inventors: 陈长斌; 程洋; 刘新建
Original assignee: Zhejiang Changjin Construction Co ltd
Current assignee: Zhejiang Changjin Construction Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-09-29

Abstract

The invention relates to the technical field of hydraulic engineering, and discloses a hydraulic engineering dredging device which comprises a bottom plate, wherein a feeding mechanism, a conveying mechanism for conveying sludge and a collecting mechanism for storing the sludge are arranged on the bottom plate; the collecting mechanism comprises a collecting box arranged on the collecting mechanism, an accommodating groove is formed in the upper end of the collecting box, a partition plate is arranged in the accommodating groove and divides the accommodating groove into a first accommodating cavity and a second accommodating cavity, and the upper end face of the partition plate is lower than that of the collecting box; the collecting box is fixedly connected with a first feeding pipe and a first discharging pipe which are communicated with the first storage cavity, the first feeding pipe is communicated with the conveying mechanism, a first feeding valve is arranged on the first feeding pipe, and a first discharging valve is arranged on the first discharging pipe; the bottom plate is provided with a spare box with the same structure as the collection box, the side edge of the spare box is fixedly connected with a second feeding pipe, and the second feeding pipe is communicated with the transportation mechanism.

Description

Hydraulic engineering desilting device

Technical Field

The invention relates to the technical field of hydraulic engineering, in particular to a dredging device for hydraulic engineering.

Background

At present, hydraulic engineering is a general term of various engineering constructions built for controlling, utilizing and protecting surface and underground water resources and environment, and is divided into flood control engineering, farmland hydraulic engineering, hydroelectric power engineering, channel and port engineering, water supply and drainage engineering, environmental hydraulic engineering, shoal reclamation engineering and the like according to service objects, and hydraulic engineering which can serve multiple targets such as flood control, water supply, irrigation, power generation and the like at the same time is called comprehensive utilization hydraulic engineering, and requires the construction of different types of hydraulic buildings such as dams, dikes, overflow rafts, sluice gates, water inlets, channels, ferry tanks, fishways and the like so as to achieve the targets.

The prior Chinese patent with publication number CN109853656A discloses an environment-friendly dredging device, which comprises a ship body, a dredging unit, a sludge separation unit and a sludge collection tank, wherein the dredging unit, the sludge separation unit and the sludge collection tank are sequentially arranged on the ship body according to the process sequence; the dredging unit comprises a mud loosening mechanism connected to the bottom of the ship body and a mud pumping pump for feeding the mud into the mud separating unit from the mud loosening mechanism.

The above prior art solutions have the following drawbacks: when collection silt case input speed is greater than ejection of compact speed for too much silt is piled up to collection silt case, when collection silt case is deposited with silt, can only close earlier and take out the silt pump, earlier discharges collection silt incasement silt, and the silt when collection silt case reduces the back, just can open and take out the silt pump, consequently reduces the work efficiency of sediment removal device, has the area to improve.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a dredging device for hydraulic engineering, which has a regulation and control effect and can discharge sludge into a spare tank when the sludge in a collecting tank is excessively accumulated.

The above object of the present invention is achieved by the following technical solutions: a dredging device for hydraulic engineering comprises a bottom plate, wherein a feeding mechanism, a conveying mechanism for conveying sludge and a collecting mechanism for storing the sludge are arranged on the bottom plate; the collecting mechanism comprises a collecting box arranged on the collecting mechanism, an accommodating groove is formed in the upper end of the collecting box, a partition plate is arranged in the accommodating groove and divides the accommodating groove into a first accommodating cavity and a second accommodating cavity, and the upper end face of the partition plate is lower than the upper end face of the collecting box; the side wall of the collecting box is fixedly connected with a first feeding pipe and a first discharging pipe which are communicated with the first storage cavity, the first feeding pipe is communicated with the conveying mechanism, a first feeding valve is arranged on the first feeding pipe, and a first discharging valve is arranged on the first discharging pipe; the side wall of the collecting box is fixedly connected with a first water outlet pipe communicated with the second storage cavity, and the first water outlet pipe is connected with a first water outlet valve; the bottom plate is further provided with a spare box with the same structure as the collecting box, the side edge of the spare box is connected with a second feeding pipe communicated with the conveying mechanism, the second feeding pipe is connected with a second feeding valve, the spare box is further connected with a second discharging pipe and a second water outlet pipe, a second discharging valve is arranged on the second water outlet pipe, and a second water outlet valve is arranged on the second water outlet pipe.

By adopting the technical scheme, the sludge is conveyed into the dredging device through the feeding mechanism, the sludge is conveyed through the conveying mechanism, the sludge is collected through the collecting mechanism, the sludge is conveyed to the transport vehicle through the first discharging pipe or the second discharging pipe, and the sludge is conveyed to different treatment plants through the transport vehicle for discharging; when a large amount of sludge is accumulated in the collecting box and cannot be discharged in time, the first feeding valve is closed, the second feeding valve is opened, and at the moment, the sludge and the water conveyed from the conveying mechanism enter the spare box through the second feeding pipe, so that the water and the sludge are collected through the spare box, and the sludge in the collecting box can be conveyed to the transport vehicle through the first discharging pipe to reduce the sludge in the collecting box; on the contrary, when the sludge in the spare box is accumulated, the second feeding valve is closed, and the first feeding valve is opened, so that the sludge is conveyed into the collecting box, the regulation and control effects are achieved, the sludge is convenient to collect, and in addition, the first discharging pipe and the second discharging pipe can be simultaneously started to discharge the sludge; after silt and water entered into the first intracavity of depositing, silt can deposit and pile up the first chamber bottom of depositing, and water can attach in the silt top, and when water was higher than the baffle, water can enter into the second and deposit the intracavity to there is first outlet pipe to discharge water, piles up silt in the intracavity until the first deposit, and when silt discharged from first outlet pipe, has the warning effect, reminds the staff to close first feed valve and open the second feed valve.

The invention is further configured to: the lowest point of the inner wall of the first feeding pipe is higher than the upper end surface of the partition plate.

Through adopting above-mentioned technical scheme for during silt and water entering first deposit the intracavity, make silt pile up at first deposit the intracavity, can not block up first inlet pipe.

The invention is further configured to: a slope is arranged in the second storage cavity, and the slope gradually increases towards the direction away from the first water outlet pipe.

Through adopting above-mentioned technical scheme, through the slope for water or silt that enter into the second and deposit the intracavity move along the inclined plane surface, thereby conveniently discharge water or silt from first outlet pipe.

The invention is further configured to: the intracavity is deposited to the second and is provided with scrapes the flitch, scrape the flitch and deposit the both ends laminating of chamber along first outlet pipe axis direction with the second respectively along length direction's both ends, scrape terminal surface and deposit terminal surface laminating under the chamber with the second under the flitch, the second is deposited and is provided with the drive on the intracavity wall and scrape the flitch and deposit intracavity horizontal migration's driving piece at the second.

By adopting the technical scheme, the driving piece drives the scraping plate to reciprocate in the second storage cavity, so that sludge in the second storage cavity is scraped, the sludge is conveniently discharged through the first water outlet pipe, and the effect of cleaning the sludge in the second storage cavity is achieved; when the second storage cavity is free from silt, the silt is conveniently added into the collecting box next time, and whether the collecting box is filled with silt or not is judged through whether the first water outlet pipe has silt to discharge.

The invention is further configured to: the driving piece comprises a rodless cylinder fixedly connected above the scraper plate, the rodless cylinder comprises an operating rod, the axis of the operating rod is perpendicular to the axis of the first water outlet pipe, an operating block is arranged on the operating rod in a sliding mode, a vertical rod is fixedly connected to the bottom of the operating block, and the bottom of the vertical rod is connected with the upper end face of the scraper plate.

By adopting the technical scheme, when the first feeding valve is closed, the rodless cylinder is started to drive the vertical rod to move back and forth, and the vertical rod drives the scraping rod to reciprocate in the second storage cavity; in addition, the rodless cylinder is arranged on the upper side of the second storage cavity, so that the possibility that the rodless cylinder is immersed by water can be prevented, and the rodless cylinder is prevented from being watered and damaged.

The invention is further configured to: the feeding mechanism comprises two supporting plates which are fixedly connected to the bottom plate and are parallel to each other, a driving roller and a driven roller are connected between the supporting plates in a rotating mode, a conveying belt is arranged outside the driving roller and the driven roller, a plurality of baffle plates and a plurality of baffles are fixedly connected to the outer surface of the conveying belt, the length directions of the baffle plates are consistent with the axis direction of the driving roller, the baffle plates are distributed along the surface of the conveying belt in an array mode, and a motor for driving the driving roller to rotate is fixedly connected to one side, far away from the conveying belt, of the.

Through adopting above-mentioned technical scheme, on silt was placed the conveyer belt, the motor drive roll rotated, will carry the hopper top with silt by conveyer belt and baffle.

The invention is further configured to: the outer surface of the conveying belt is fixedly connected with two wavy flanges, and two ends of the baffle in the length direction are fixedly connected with the two wavy flanges respectively.

Through adopting above-mentioned technical scheme, set up the wavy flange and have and block the effect, prevent that silt from flowing to and causing silt to leak between conveyer belt and the backup pad for conveying efficiency reduces.

The invention is further configured to: the conveying mechanism comprises a hopper arranged between two supporting plates, the hopper is close to the driving roller and is located below the conveying belt, a fixing hole is formed in the upper portion of the hopper, a conveying pipe is fixedly connected to the lower portion of the hopper, one end, far away from the conveying pipe, of the hopper is connected with a sludge pump, the output end of the sludge pump is connected with a fixing pipe, and one end, far away from the sludge pump, of the fixing pipe is connected with a collecting box.

Through adopting above-mentioned technical scheme, when entering into the hopper on silt and the water-washed conveyer belt, silt is because the washing away of self gravity and water, carries silt to in the conveyer pipe to carry water and silt to the collecting box by the silt pump in, carry out the collection of silt.

The invention is further configured to: the opening of the fixing hole is gradually reduced from top to bottom.

Through adopting above-mentioned technical scheme for silt is because of self weight and is followed hopper internal surface gliding, makes silt enter into the conveying pipe.

The invention is further configured to: and a filter screen is arranged in the fixed hole.

Through adopting above-mentioned technical scheme, set up the filter screen and have the effect of preliminary screening, when having great rubbish in silt, by the filter screen screening and prevent that it from getting into the conveying pipe to protect the silt pump, improve the life of silt pump.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the sludge is conveyed into the dredging device through the feeding mechanism, conveyed through the conveying mechanism and collected through the collecting mechanism, conveyed to the transport vehicle through the first discharging pipe or the second discharging pipe and conveyed to different treatment plants through the transport vehicle for discharging; when a large amount of sludge is accumulated in the collecting box and cannot be discharged in time, the first feeding valve is closed, the second feeding valve is opened, and at the moment, the sludge and the water conveyed from the conveying mechanism enter the spare box through the second feeding pipe, so that the water and the sludge are collected through the spare box, and the sludge in the collecting box can be conveyed to the transport vehicle through the first discharging pipe to reduce the sludge in the collecting box; on the contrary, when the sludge in the spare box is accumulated, the second feeding valve is closed, and the first feeding valve is opened, so that the sludge is conveyed into the collecting box, the regulation and control effects are achieved, the sludge is convenient to collect, and in addition, the first discharging pipe and the second discharging pipe can be simultaneously started to discharge the sludge; after the sludge and the water enter the first storage cavity, the sludge can be deposited and accumulated at the bottom of the first storage cavity, the water can be attached above the sludge, when the water is higher than the partition plate, the water enters the second storage cavity, the water is discharged by the first water outlet pipe until the first storage cavity is full of the sludge, and when the sludge is discharged from the first water outlet pipe, the sludge has a warning effect and reminds a worker to close the first feeding valve and open the second feeding valve;

2. through scraping flitch and driving piece, deposit the silt of intracavity with the second and scrape the material, when being convenient for pile up too much silt to the holding intracavity next time, can discharge through first outlet pipe to remind the staff collecting box in order to fill with silt.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic view of the feed mechanism shown highlighted;

FIG. 3 is a schematic view highlighting the collection bin structure;

figure 4 is a cross-sectional view highlighting the driver and scraper plate structure.

Reference numerals: 1. a base plate; 2. a feeding mechanism; 21. a support plate; 22. a drive roll; 23. a driven roller; 24. a motor; 25. a conveyor belt; 251. a baffle plate; 252. a wave-shaped rib; 3. a transport mechanism; 31. a hopper; 311. a fixing hole; 32. a transport pipe; 33. a sludge pump; 34. a fixed tube; 35. a filter screen; 4. a collection mechanism; 5. a collection box; 51. a containing groove; 511. a first storage chamber; 512. a second storage chamber; 52. a partition plate; 53. a first feed tube; 531. a first feed valve; 54. a first discharge pipe; 541. a first discharge valve; 55. a first water outlet pipe; 551. a first water outlet valve; 56. a slope; 57. a scraping plate; 58. a drive member; 581. a rodless cylinder; 582. an operating lever; 583. an operation block; 584. a vertical rod; 6. a spare box; 63. a second feed tube; 631. a second feed valve; 64. a second discharge pipe; 641. a second discharge valve; 65. a second water outlet pipe; 651. and a second water outlet valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a hydraulic engineering dredging device, as shown in fig. 1 and 2, which comprises a bottom plate 1, wherein a feeding mechanism 2, a conveying mechanism 3 for conveying sludge and a collecting mechanism 4 for storing sludge are arranged on the bottom plate 1.

As shown in fig. 1 and 2, the feeding mechanism 2 includes two parallel supporting plates 21 fixedly connected to the bottom plate 1, a driving roller 22 and a driven roller 23 are rotatably connected between the two supporting plates 21, and the axis of the driving roller 22 is higher than the axis of the driven roller 23. One side of the support plate 21 far away from the drive roller 22 is fixedly connected with a motor 24 for driving the drive roller 22 to rotate, and the conveying end of the motor 24 is fixedly connected with the drive roller 22.

As shown in fig. 1 and 2, a conveyor belt 25 is sleeved around the driving roller 22 and the driven roller 23, and the conveyor belt 25 is inclined to the ground. Two corrugated ribs 252 and a plurality of baffles 251 are fixedly connected to the outer surface of the conveyor belt 25. Both of the undulating ribs 252 encircle the conveyor belt 25. The plurality of baffles 251 are distributed along the outer surface of the conveyor belt 25 in an array manner, the length direction of the plurality of baffles 251 is consistent with the axial direction of the driving roller 22, and two ends of the plurality of baffles 251 along the length direction are respectively fixedly connected with the two wavy flanges 252.

As shown in fig. 1 and 2, after the sludge is placed in the space enclosed by the wavy flanges 252, the baffles 251 and the conveyor belt 25, the motor 24 is started to drive the driving roller 22 to rotate, so that the sludge is conveyed to the conveying mechanism 3. By the corrugated ribs 252 and the baffles 251, water or sludge is prevented from flowing from the conveyor belt 25 to between the conveyor belt 25 and the support plate 21, the sludge is ensured to be conveyed to the transport mechanism 3, and the conveying efficiency of the feed mechanism 2 is ensured.

As shown in fig. 1 and 2, the transport mechanism 3 includes a hopper 31 fixedly attached between the two support plates 21, the hopper 31 being located adjacent to the drive roller 22 and below the conveyor belt 25. A fixing hole 311 is formed above the hopper 31, and an opening of the fixing hole 311 is gradually reduced from top to bottom. A conveying pipe 32 is fixedly connected below the hopper 31, one end of the hopper 31, far away from the conveying pipe 32, is connected with a sludge pump 33, one end of the sludge pump 33, far away from the conveying pipe 32, is fixedly connected with a fixed pipe 34, and one end of the fixed pipe 34, far away from the sludge pump 33, is connected with the collection box 5.

As shown in fig. 1 and 2, after the sludge enters the fixing hole 311, a part of the sludge directly falls into the transport pipe 32, and another part of the sludge falls onto the inner wall of the fixing hole 311 and slides down into the transport pipe 32 along the fixing hole 311. However, part of the sludge still remains on the inner wall of the fixing hole 311, and part of the water entering the fixing hole 311 along with the sludge flushes the inner wall of the fixing hole 311, so that on one hand, the residual sludge is flushed into the conveying pipe 32, and on the other hand, the sludge is accelerated to enter the conveying pipe 32. In addition, the sludge pump 33 is provided to accelerate the entrance of the sludge into the transport pipe 32 and to transport the sludge to the collection mechanism 4 by the sludge pump 33.

As shown in fig. 1 and 2, a filter 35 is fixedly connected to the inside of the fixing hole 311, and an outer circumferential surface of the filter 35 is fitted to an inner circumferential surface of the fixing hole 311. When the sludge falls onto the filter screen 35 together with the garbage, the garbage is blocked by the filter screen 35, and the sludge passes through the filter screen 35 and enters the transport pipe 32, thereby preventing the garbage from entering the transport pipe 32 and damaging the sludge pump 33.

As shown in fig. 2 and 3, the collecting mechanism 4 includes a collecting box 5, and a containing groove 51 is formed at the upper end of the collecting box 5. The bottom of the containing groove 51 is fixedly connected with a partition plate 52, two ends of the partition plate 52 along the length direction are respectively and fixedly connected with the inner wall of the containing groove 51, the containing groove 51 is divided into a first storing cavity 511 and a second storing cavity 512 by the partition plate 52, and the upper end face of the partition plate 52 is lower than the upper end face of the collecting box 5.

As shown in FIGS. 2 and 4, a first feeding pipe 53 and a first discharging pipe 54 communicating with the first storage chamber 511 are fixedly connected to the side wall of the collection tank 5. The lowest point of the inner wall of the first feeding pipe 53 is higher than the upper end surface of the partition plate 52, the first feeding pipe 53 is communicated with the fixed pipe 34, and a first feeding valve 531 is arranged on the first feeding pipe 53. The lowest point of the inner wall of the first discharge pipe 54 is coplanar with the first storage chamber 511, and a first discharge valve 541 is provided on the first discharge pipe 54. The side wall of the collecting box 5 is fixedly connected with a first water outlet pipe 55 communicated with the second storage cavity 512, and the first water outlet pipe 55 is connected with a first water outlet valve 551. Preferably, the distance from the partition plate 52 to the first feed pipe 53 is greater than the distance from the partition plate 52 to the first outlet pipe 55

As shown in fig. 3 and 4, a slope 56 is provided in the second storage chamber 512, and the slope 56 gradually increases in a direction away from the first water outlet pipe 55. The lowest point of the inner wall of the first water outlet pipe 55 is coplanar with the lowest point of the slope 56. A scraping plate 57 is arranged in the second storage cavity 512, two ends of the scraping plate 57 along the length direction are respectively attached to two ends of the second storage cavity 512 along the axial direction of the first water outlet pipe 55, and the lower end face of the scraping plate 57 is attached to the upper end face of the slope 56.

As shown in fig. 3 and 4, a driving member 58 for driving the scraper plate 57 to move horizontally in the second storage chamber 512 is disposed on the inner wall of the second storage chamber 512. The driving part 58 comprises a rodless cylinder 581 fixedly connected above the scraping plate, the rodless cylinder 581 comprises an operating rod 582, the axis of the operating rod 582 is perpendicular to the axis of the first water outlet pipe 55, an operating block 583 is arranged on the operating rod 582 in a sliding mode, a vertical rod 584 is fixedly connected to the bottom of the operating block 583, and the bottom of the vertical rod 584 is connected with the upper end face of the scraping plate 57.

As shown in fig. 3 and 4, when the first feeding valve 531 is closed, the rodless cylinder 581 is actuated to reciprocate the operation block 583 and the vertical rod 584 in the axial direction of the operation rod 582, so that the scraper 57 scrapes the sludge on the upper end surface of the slope 56, and the sludge slides down the upper end surface of the slope 56 and is discharged from the second storage chamber 512, which has the effect of cleaning the sludge in the second storage chamber 512.

As shown in fig. 1 and 2, the bottom plate 1 is also provided with a spare box 6 having the same structure as the collection box 5. The side of the reserve tank 6 is connected with a second feeding pipe 63 communicated with the transportation mechanism 3, and the second feeding pipe 63 is connected with a second feeding valve 631. The reserve tank 6 is further connected with a second discharging pipe 64 and a second discharging pipe 65, the second discharging valve 641 is arranged on the second discharging pipe 65, and a second discharging valve 651 is arranged on the second discharging pipe 65.

The implementation principle of the embodiment is as follows: when a large amount of sludge is accumulated in the collection tank 5 and the sludge cannot be discharged in time, the first feed valve 531 is closed, the second feed valve 631 is opened, the sludge pump 33 conveys the sludge and the water into the reserve tank 6 at the moment, the water and the sludge are collected through the reserve tank 6, otherwise, when the sludge in the reserve tank 6 is accumulated, the second feed valve 631 is closed, the first feed valve 531 is opened, the sludge is conveyed into the collection tank 5, and therefore the regulation and control effect is achieved.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.

Claims

1. A dredging device for a water conservancy project comprises a bottom plate (1), wherein a feeding mechanism (2), a conveying mechanism (3) for conveying sludge and a collecting mechanism (4) for storing the sludge are arranged on the bottom plate (1); the method is characterized in that: the collecting mechanism (4) comprises a collecting box (5), a containing groove (51) is formed in the upper end of the collecting box (5), a partition plate (52) is arranged in the containing groove (51), the containing groove (51) is divided into a first storing cavity (511) and a second storing cavity (512) by the partition plate (52), and the upper end face of the partition plate (52) is lower than the upper end face of the collecting box (5); the side wall of the collecting box (5) is fixedly connected with a first feeding pipe (53) and a first discharging pipe (54) which are communicated with the first storage cavity (511), the first feeding pipe (53) is communicated with the conveying mechanism (3), a first feeding valve (531) is arranged on the first feeding pipe (53), and a first discharging valve (541) is arranged on the first discharging pipe (54); the side wall of the collecting box (5) is fixedly connected with a first water outlet pipe (55) communicated with the second storage cavity (512), and the first water outlet pipe (55) is connected with a first water outlet valve (551); still be provided with reserve tank (6) the same with collecting box (5) structure on bottom plate (1), reserve tank (6) side is connected with second inlet pipe (63) with transport mechanism (3) intercommunication, be connected with second feed valve (631) on second inlet pipe (63), still be connected with second discharging pipe (64) and second outlet pipe (65) on reserve tank (6), be provided with second bleeder valve (641) on second outlet pipe (65), be provided with second outlet valve (651) on second outlet pipe (65).

2. The hydraulic engineering desilting device of claim 1, characterized in that: the lowest point of the inner wall of the first feeding pipe (53) is higher than the upper end surface of the partition plate (52).

3. The hydraulic engineering desilting device of claim 1, characterized in that: a slope (56) is arranged in the second storage cavity (512), and the slope (56) is gradually increased towards the direction away from the first water outlet pipe (55).

4. A hydraulic engineering dredging device according to claim 3, wherein: the second is deposited and is provided with scraping flitch (57) in chamber (512), scrape flitch (57) deposit chamber (512) respectively with the second along the laminating of the both ends of first outlet pipe (55) axis direction along length direction's both ends, scrape flitch (57) terminal surface and the second deposit chamber (512) terminal surface laminating down, it scrapes flitch (57) and deposits driving piece (58) of chamber (512) horizontal migration in the second to be provided with the drive on the second deposits chamber (512) inner wall.

5. A hydraulic engineering sediment removal device of claim 4, characterized in that: the driving piece (58) comprises a rodless cylinder (581) fixedly connected above the scraper, the rodless cylinder (581) comprises an operating rod (582), the axis of the operating rod (582) is perpendicular to the axis of the first water outlet pipe (55), an operating block (583) is arranged on the operating rod (582) in a sliding mode, a vertical rod (584) is fixedly connected to the bottom of the operating block (583), and the bottom of the vertical rod (584) is connected with the upper end face of the scraper plate (57).

6. The hydraulic engineering desilting device of claim 1, characterized in that: feed mechanism (2) are including two backup pad (21) that are parallel to each other of fixed connection on bottom plate (1), two it is connected with drive roll (22) and driven voller (23) to rotate between backup pad (21), drive roll (22) and driven voller (23) overcoat are equipped with conveyer belt (25), conveyer belt (25) surface fixed connection has a plurality of baffle (251), a plurality of the length direction of baffle (251) all is unanimous with the axis direction of drive roll (22), a plurality of baffle (251) are along conveyer belt (25) surface array distribution, one side fixedly connected with drive roll (22) pivoted motor (24) are kept away from in backup pad (21).

7. A hydraulic engineering sediment removal device of claim 6, characterized in that: the outer surface of the conveyor belt (25) is fixedly connected with two wavy flanges (252), and two ends of the baffle (251) along the length direction are fixedly connected with the two wavy flanges (252) respectively.

8. The hydraulic engineering desilting device of claim 1, characterized in that: transport mechanism (3) are including setting up hopper (31) between two backup pads (21), hopper (31) are close to drive roll (22) and are located conveyer belt (25) below, fixed orifices (311) have been seted up to hopper (31) top, hopper (31) below fixedly connected with transport pipe (32), the one end of hopper (31) that transport pipe (32) were kept away from is connected with silt pump (33), silt pump (33) output is connected with fixed pipe (34), the one end that silt pump (33) were kept away from to fixed pipe (34) is connected with collecting box (5).

9. A hydraulic engineering sediment removal device of claim 8, characterized in that: the opening of the fixing hole (311) is gradually reduced from top to bottom.

10. A hydraulic engineering sediment removal device of claim 8, characterized in that: and a filter screen (35) is arranged in the fixing hole (311).