CN114908830A

CN114908830A - Dredging device for hydraulic engineering

Info

Publication number: CN114908830A
Application number: CN202210562911.8A
Authority: CN
Inventors: 于向丽; 谷莹莹; 朱婕; 董瑞; 金嵩涛; 贾鹏; 吕孝林; 金小钰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-16

Abstract

The invention relates to a dredging device for hydraulic engineering, which comprises a ship body, wherein a lifting mechanism and a dredging mechanism are arranged on the ship body, the dredging mechanism comprises a cylinder, the cylinder is rotatably connected with the lifting mechanism through a central shaft, a feed inlet is formed in the circumferential side wall of the cylinder, a hopper is arranged at the feed inlet and is a rectangular frame, the upper end surface and the front end surface of the hopper are open, filter screens are arranged on the lower end surface, the side surface and the rear end surface of the hopper, a scraper knife is arranged at the front end of the lower end surface of the hopper, the upper edge of the rear end surface of the hopper is fixedly connected with the edge of the feed inlet, a movable baffle is arranged at the feed inlet, one edge of the movable baffle is rotatably connected with the position of the feed inlet, which is close to the upper edge of the hopper, a limit strip is arranged on one edge of the feed inlet, which is far away from the upper edge of the hopper, the limit strip is arranged on the outer side of the movable baffle, and the front end surface of the hopper faces the rotation direction of the cylinder. The dredging device for the hydraulic engineering provided by the invention has the advantages that the water content of the sludge is greatly reduced, and the efficiency of removing the sludge is improved.

Description

Dredging device for hydraulic engineering

Technical Field

The invention belongs to the technical field of dredging devices, and particularly relates to a dredging device for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for the elimination of water damage and the exploitation and utilization of water resources.

Silt and silt accumulation exist in hydraulic engineering, if silt or silt is not cleaned in time, a river is blocked, drainage is difficult, and serious consequences can be caused once flood situations occur.

At present, the mode of water pump extraction is mostly adopted to the clearance of river silt, because contain a large amount of water in the silt of extraction, consequently, the work load that leads to clearance silt is very big, and work efficiency is very low.

Disclosure of Invention

The invention aims to provide a dredging device for hydraulic engineering, which aims to solve the problem of low working efficiency in the prior art.

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the utility model provides a sediment removal device for hydraulic engineering, includes the hull, is equipped with elevating system and desilting mechanism on the hull, desilting mechanism includes the feed cylinder, the feed cylinder is the drum, and the drum passes through the center pin and is connected with elevating system rotation, is equipped with the feed inlet on the circumference lateral wall of drum, and feed inlet department is equipped with the hopper, the hopper is the rectangle frame, and the up end and the preceding terminal surface of hopper are uncovered, and the lower terminal surface, side and the rear end face of hopper all are equipped with the filter screen, and the front end of terminal surface is equipped with the spiller under the hopper, the last border of hopper rear end face and the border fixed connection of feed inlet, feed inlet department are equipped with adjustable fender, adjustable fender's one side and the position rotation that the feed inlet is close to the hopper and goes up the border are connected, and the feed inlet is kept away from one side on the hopper and is equipped with spacing, and spacing setting is in adjustable fender's the outside, and the preceding terminal surface of hopper sets up towards the rotation direction of drum.

Preferably, the feed inlets are uniformly arranged on the cylinder, and hoppers are arranged at the feed inlets.

Preferably, elevating system is including setting up the pneumatic cylinder on the hull, and the telescopic link of pneumatic cylinder sets up, and the upper end of telescopic link is equipped with the crossbeam, and the both ends of crossbeam are equipped with bent shape connecting rod respectively, and the both ends of bent shape connecting rod rotate with the center pin at drum both ends respectively and are connected, and the drum stretches out the hull setting, is equipped with the motor on the hull, and the motor passes through the drive belt and is connected with the center pin transmission of drum one end.

Preferably, a discharge port is formed in the cylinder, a sealing door is arranged at the discharge port, and the sealing door is connected with the discharge port in an openable and closable manner.

The invention has the following beneficial effects:

according to the dredging device for the hydraulic engineering, the charging barrel has a mud storage function, the hopper has a filtering function, and the mud is temporarily stored in the charging barrel after being filtered, so that the water content of the mud is greatly reduced, the burden of a dredging mechanism is reduced, and the dredging efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of a dredging device for hydraulic engineering provided by the invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of a cylinder according to the present invention;

FIG. 4 is a schematic view of a hopper according to the present invention;

fig. 5 is a schematic view of a hopper screen of the present invention.

In the figure, 1, a ship body, 2, a cylinder, 3, a filter screen, 4, a hopper, 5, a scraper knife, 6, a movable baffle, 7, a limiting strip, 8, a hydraulic cylinder, 9, a beam, 10, a curved connecting rod, 11, a motor, 12 a transmission belt and 13 a discharge hole are arranged.

Detailed Description

The technical scheme provided by the invention is further specifically described in the following by combining the drawings and the detailed description.

Examples

A dredging device for hydraulic engineering, see figures 1-5, comprising a hull 1, wherein a lifting mechanism and a dredging mechanism are arranged on the hull 1, the dredging mechanism comprises a charging barrel, the charging barrel is a cylinder 2, the cylinder 2 is rotatably connected with the lifting mechanism through a central shaft, a feeding port is arranged on the circumferential side wall of the cylinder 2, a hopper 4 is arranged at the feeding port, the hopper 4 is a rectangular frame, the upper end surface and the front end surface of the hopper 4 are open, a filter screen 3 is arranged on the lower end surface, the side surface and the rear end surface of the hopper 4, a scraper knife 5 is arranged at the front end of the lower end surface of the hopper 4, the upper edge of the rear end surface of the hopper 4 is fixedly connected with the edge of the feeding port, a movable baffle 6 is arranged at the feeding port, one edge of the movable baffle 6 is rotatably connected with the feeding port through a rotating shaft at the position close to the upper edge of the hopper 4, a limit strip 7 is arranged on the side of the feeding port far away from the rotating shaft, and the limit strip 7 is arranged at the outer side of the movable baffle 6, the front end surface of the hopper 4 is disposed toward the rotation direction of the cylinder 2. When drum 2 rotates, be located the hopper 4 of drum 2 lower extreme and shovel the silt of river course bottom through spiller 5, at this moment, adjustable fender 6 is in the horizontality and seals the feed inlet by blockking of spacing strip 7, along with the rotation of drum 2, silt gets into in the hopper 4, filter through filter screen 3, water in the silt passes filter screen 3 and flows back to the river course, silt is piled up in hopper 4, along with drum 2 continues to rotate, hopper 4 rises, adjustable fender 6 rotates to the state down, make the feed inlet open, thereby make the silt on the hopper 4 pass through in the feed inlet gets into drum 2, so circulation is reciprocal.

In the embodiment, four feeding holes are uniformly arranged on the cylinder 2, and the feeding holes are provided with hoppers 4.

Elevating system is including setting up pneumatic cylinder 8 on hull 1, pneumatic cylinder 8's telescopic link sets up, the upper end of telescopic link is equipped with crossbeam 9, the both ends of crossbeam 9 are equipped with bent shape connecting rod 10 respectively, bent shape connecting rod 10's both ends rotate with the center pin at 2 both ends of drum respectively and are connected, drum 2 stretches out hull 1 and sets up, the length direction of drum 2 is perpendicular with the direction of travel of hull 1, be equipped with motor 11 on hull 1, motor 11 passes through the center pin transmission of drive belt 12 with 2 one ends of drum and is connected. The cylinder 2 is lifted up and away from the water surface by the lifting of the telescopic rod of the hydraulic cylinder 8, and the cylinder 2 is lowered to the bottom of the river channel by the lowering of the telescopic rod, so that the dredging operation is carried out.

The cylinder 2 is provided with a discharge port 13, and a sealing door is arranged at the discharge port 13 and connected with the discharge port in an openable and closable manner.

The scraper knife 5 is a flat plate and can also be saw-shaped teeth.

When the device is used, the hydraulic cylinder 8 drives the telescopic rod to ascend, so that the cylinder 2 is higher than the water surface, and the ship body 1 is driven to reach an area, needing dredging, of a river channel; keep the front end of hopper 4 opposite with hull 1's direction of travel, it descends to drive the telescopic link through pneumatic cylinder 8 drive, it descends to the river course bottom to drive drum 2, open motor 11, motor 11 drives drum 2 through drive belt 12 and rotates, the silt of river course bottom is shoveled through spiller 5 to hopper 4 on the drum 2 that is located the lower extreme, at this moment, adjustable fender 6 is in the horizontality and seals the feed inlet by blockking of spacing strip 7, along with the rotation of drum 2, silt gets into in hopper 4, filter through filter screen 3, water in the silt passes filter screen 3 and flows back to the river course, silt is piled up in hopper 4, along with drum 2 continues to rotate, hopper 4 rises, adjustable fender 6 rotates down, make the feed inlet open, silt on the hopper 4 gets into in drum 2 through the feed inlet. When the sludge in the cylinder 2 is accumulated to a certain amount, the sealing door of the discharge port 13 is opened, the sludge is discharged to other ships for containing the sludge, and then the dredging operation is continued.

According to the dredging device for the hydraulic engineering, the charging barrel has a mud storage function, the hopper has a filtering function, and the mud is temporarily stored in the charging barrel after being filtered, so that the water content of the mud is greatly reduced, the burden of a dredging mechanism is reduced, and the efficiency of removing the mud is improved.

Claims

1. The dredging device for the hydraulic engineering is characterized by comprising a ship body (1), wherein a lifting mechanism and a dredging mechanism are arranged on the ship body (1), the dredging mechanism comprises a charging barrel, the charging barrel is a cylinder (2), the cylinder (3) is rotatably connected with the lifting mechanism through a central shaft, a feeding hole is formed in the circumferential side wall of the cylinder (2), a hopper (4) is arranged at the feeding hole, the hopper (4) is a rectangular frame, the upper end surface and the front end surface of the hopper (4) are open, a filter screen (3) is arranged on each of the lower end surface, the side surface and the rear end surface of the hopper (4), a scraper knife (5) is arranged at the front end of the lower end surface of the hopper (4), the upper edge of the rear end surface of the hopper (4) is fixedly connected with the edge of the feeding hole, a movable baffle (6) is arranged at the feeding hole, one edge of the movable baffle (6) is rotatably connected with the position of the feeding hole, which is close to the upper edge of the rear end surface of the hopper (4), one side of the feed inlet, which is far away from the upper edge of the rear end face of the hopper (4), is provided with a limiting strip (7), the limiting strip (7) is arranged on the outer side of the movable baffle (6), and the front end face of the hopper (4) is arranged towards the rotating direction of the cylinder (2).

2. The dredging device for water conservancy project according to claim 1, wherein the feeding ports are uniformly arranged on the cylinder (2), and each feeding port is provided with a hopper (4).

3. The dredging device for the hydraulic engineering according to claim 1, wherein the lifting mechanism comprises a hydraulic cylinder (8) arranged on the ship body (1), a telescopic rod of the hydraulic cylinder (8) is arranged upward, a cross beam (9) is arranged at the upper end of the telescopic rod, curved connecting rods (10) are respectively arranged at two ends of the cross beam (9), two ends of each curved connecting rod (10) are respectively connected with central shafts at two ends of the cylinder (2) in a rotating manner, the cylinder (2) extends out of the ship body (1), a motor (11) is arranged on the ship body (1), and the motor (11) is connected with the central shaft at one end of the cylinder (2) through a transmission belt (12).

4. The dredging device for water conservancy project according to claim 1, wherein a discharge port (13) is arranged on the cylinder (2), a sealing door is arranged at the discharge port (13), and the sealing door is connected with the discharge port (13) in an openable and closable manner.

5. The dredging device for water conservancy project according to claim 1, wherein the scraper knife (5) is a flat plate or saw-shaped teeth.