CN107740459B - A water conservancy project dredging device - Google Patents

Abstract

The invention discloses a dredging device for hydraulic engineering, which has the advantages of reasonable and simple structure, low production cost and convenient installation, is scientific and convenient, has strong pertinence, high automation degree and can be accurately controlled, the treated river channel is clean and pollution-free, high-pressure water sprayed out of a nozzle by a high-pressure pump impacts sludge, and further the sludge is cut and crushed by a rotary blade, so that the sludge is gradually dispersed, a sludge suction pump is easier to collect and treat the sludge, the dredging process is simplified, the dredging work efficiency is improved, when in work, water is pumped out of the nozzle by a water pump, then the first motor and the second motor work to drive the first rotating shaft and the second rotating shaft to rotate to crush the sludge, after crushing, the sludge pump pumps the sludge to a filtering chamber through a sludge cover, filters river water through a filtering screen and conveys the silt to a shore for treatment, when the filter screen needs to be replaced, the air pressure rod is shortened, and the filter screen is taken down conveniently and quickly.

Description

A water conservancy project dredging device

technical field

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

Background technique

In recent years, my country's rivers, reservoirs, river ponds and lakes have been dredged due to no water, and a large amount of sediment and dirt have accumulated on the bottom of the water, which has greatly reduced water storage and ecological capacity. Many rivers and canals have been filled with sediment and lost It has the characteristics of long-term, accumulative, latent and irreversible, and can be enriched thousands of times through the food chain, ultimately endangering human health. . Therefore, the treatment of underwater sludge has become an important task in current environmental protection work. The method of manual mud dredging is labor-intensive and low-efficiency, which brings a lot of inconvenience to sanitation workers and increases maintenance costs.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a dredging device for water conservancy projects in order to solve the above problems, which solves the problem that the current manual dredging method has high labor intensity, low work efficiency, brings a lot of inconvenience to sanitation workers, and increases maintenance costs. The problem.

In order to solve the above problems, the present invention provides a technical solution: a dredging device for water conservancy projects, including a dredging hull, a column, a beam, a first waterproof cover, a first motor, a first rotating shaft, a stirring rod, and stirring teeth , lifting rod, second waterproof casing, second motor, second rotating shaft, breaking hammer, dredging plate, connecting rod, shovel, water pump, water pipe and nozzle; the left side of the upper surface of the dredging hull is fixedly connected with a column; a beam is fixedly connected to the top of the column; a first waterproof casing is fixedly connected to the left side of the lower surface of the beam; a first motor is fixedly connected to the cavity of the first waterproof casing ; The upper shaft of the output shaft of the first motor is connected with a first rotating shaft, and the first rotating shaft is perpendicular to the horizontal plane; the outer surface of the first rotating shaft is fixedly connected with several stirring rods; the outer surface of the stirring rod is Several stirring teeth are fixedly connected on the surface; a lifting rod is fixedly connected to the middle end of the lower surface of the beam, and the lifting rod is perpendicular to the horizontal plane; a second waterproof cover is fixedly connected to the end of the lifting rod a second motor is arranged in the chamber of the second waterproof cover; the output shaft of the second motor is connected with a second rotating shaft, and the second rotating shaft is parallel to the horizontal plane; the first A breaking hammer is fixedly connected to the left end of the second rotating shaft; several dredging plates are fixedly connected to the outer surface of the second rotating shaft; a connecting rod is fixedly connected to the bottom surface of the second waterproof casing; the connecting rod A dozer is fixedly connected to the left end of the shovel; a water pump is fixedly connected to the beam; one end of the water pump is connected with a water pipe, and the other end of the water pipe is located below the dredging hull; Two nozzles are communicated, and the nozzles are aimed at the left side of the dredging hull.

Preferably, it also includes a sludge cover, a sludge pump, a sludge pipe, a sludge outlet, a filter room, a feed port, a pin shaft, a pneumatic rod, a concave frame, a spring and a filter screen; the sludge cover is fixedly connected to the dredging hull. lower surface; a filter chamber is fixedly connected to the right side of the upper surface of the dredging hull; a feed port is fixedly connected to the top of the filter chamber; one end of the sludge pump is communicated with the sludge cover through a sludge pipe; The other end of the sludge pump is communicated with the sludge outlet through a sludge pipe, and the sludge outlet is located above the feed inlet; an air pressure rod is connected through the outer surfaces of both sides of the filter chamber; the movement of the air pressure rod A pin shaft is connected to each end of the shaft, and the pin shaft is located on the inner side of the chamber of the filter chamber, and the pin shaft and the horizontal plane are parallel to each other; the other end of the pin shaft is fixedly connected with a concave frame; A filter screen is arranged between the concave frames; two springs are fixedly connected between the concave frames and the filter chamber.

Preferably, the lift rod is a pneumatic rod.

Preferably, the first motor and the second motor are both variable frequency motors.

Preferably, the water pump is a vacuum water pump.

Preferably, the filter screen is a metal filter screen.

Preferably, the feed port is in the shape of a bell mouth.

Preferably, the spring is a disc spring.

The beneficial effects of the present invention: the present invention has the advantages of reasonable and simple structure, low production cost, convenient installation, simple structure, scientific convenience, strong pertinence, high degree of automation, and accurate control, and the treated river is clean and pollution-free, The high-pressure water ejected from the nozzle by the high-pressure pump impacts the sludge, and further cuts and pulverizes the sludge through the rotating blade, so that the sludge is gradually dispersed, making it easier for the suction pump to collect and process the sludge, simplifying the dredging process, and improving the dredging work efficiency. When the water is pumped by the water pump, the water is ejected from the nozzle, and then the first motor and the second motor work to drive the first and second shafts to rotate to pulverize the sludge. The filter screen filters out the river water and will be transported to the shore for processing. When the filter screen needs to be replaced, the air pressure rod is shortened and the filter screen is removed, which is convenient and quick.

Description of drawings

For ease of description, the present invention is described in detail by the following specific implementations and accompanying drawings.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic diagram of a part of the structure of the present invention.

FIG. 3 is a schematic diagram of a part of the structure of the present invention.

1-dredging hull; 2-column; 3-beam; 4-first waterproof casing; 5-first motor; 6-first shaft; 7-stirring rod; 8-stirring tooth; 9-lifting rod; 10 -Second waterproof casing; 11-Second motor; 12-Second shaft; 13-Breaking hammer; 14-Dredging plate; 15-Connecting rod; -Nozzle; 20-silt cover; 21-silt pump; 22-silt pipe; 23-silt outlet; 24-filter chamber; 25-feed port; 26-pin shaft; 27-air pressure rod; 28-concave frame; 29-spring; 30-filter.

Detailed ways

As shown in FIGS. 1 to 3 , this specific embodiment adopts the following technical solutions: a dredging device for water conservancy projects, comprising a dredging hull 1, a column 2, a beam 3, a first waterproof cover 4, a first motor 5, First rotating shaft 6, stirring rod 7, stirring teeth 8, lifting rod 9, second waterproof casing 10, second motor 11, second rotating shaft 12, breaking hammer 13, dredging plate 14, connecting rod 15, push trowel 16. Water pump 17, water pipe 18 and nozzle 19; a column 2 is fixedly connected to the left side of the upper surface of the dredging hull 1; a beam 3 is fixedly connected to the top of the column 2; the left side of the lower surface of the beam 3 A first waterproof casing 4 is fixedly connected; a first motor 5 is fixedly connected in the cavity of the first waterproof casing 4; a first rotating shaft 6 is connected to the output shaft of the first motor 5 , the first rotating shaft 6 is perpendicular to the horizontal plane; the outer surface of the first rotating shaft 6 is fixedly connected with several stirring rods 7; the outer surface of the stirring rod 7 is fixedly connected with several stirring teeth 8; the beam 3. A lifting rod 9 is fixedly connected to the middle end of the lower surface, and the lifting rod 9 is perpendicular to the horizontal plane; a second waterproof cover 10 is fixedly connected to the end of the lifting rod 9; the second waterproof A second motor 11 is arranged in the chamber of the casing 10; the output shaft of the second motor 11 is connected with a second rotating shaft 12, the second rotating shaft 12 is parallel to the horizontal plane; the second rotating shaft A breaking hammer 13 is fixedly connected to the left end of 12; a plurality of dredging plates 14 are fixedly connected to the outer surface of the second rotating shaft 12; a connecting rod 15 is fixedly connected to the bottom surface of the second waterproof casing 10; A trowel 16 is fixedly connected to the left end of the connecting rod 15; a water pump 17 is fixedly connected to the beam 3; Below the dredging hull 1 ; the other end of the water pump 17 is connected with two nozzles 19 , and the nozzles 19 are aligned with the left side of the dredging hull 1 .

It also includes a sludge cover 20, a sludge pump 21, a sludge pipe 22, a sludge outlet 23, a filter chamber 24, a feed port 25, a pin shaft 26, an air pressure rod 27, a concave frame 28, a spring 29 and a filter screen 30; the sludge The cover 20 is fixedly connected to the lower surface of the dredging hull 1; the right side of the upper surface of the dredging hull 1 is fixedly connected with a filter chamber 24; the top of the filter chamber 24 is fixedly connected with a feed port 25; One end of the sludge pump 21 is communicated with the sludge cover 20 through the sludge pipe 22; the other end of the sludge pump 21 is communicated with the sludge outlet 23 through the sludge pipe 22, and the sludge outlet 23 is located above the feed port 25; An air pressure rod 27 is connected through the outer surfaces of both sides of the filter chamber 24 ; a pin shaft 26 is axially connected to the movable end of the air pressure rod 27 , and the pin shafts 26 are located on the inner side of the chamber of the filter chamber 24 . , the pin shaft 26 is parallel to the horizontal plane; the other end of the pin shaft 26 is fixedly connected with a concave character frame 28; a filter screen 30 is arranged between the concave character frame 28; the concave character frame Two springs 29 are fixedly connected between 28 and the filter chamber 24 .

The lift rod 9 is an air pressure rod; the first motor 5 and the second motor 11 are variable frequency motors; the water pump 17 is a vacuum water pump; the filter screen 30 is a metal filter screen; 25 is flared; the spring 29 is a disc spring.

The use state of the present invention is as follows: the present invention has reasonable and simple structure, low production cost and convenient installation, the device has simple structure, scientific convenience, strong pertinence, high degree of automation, and can be precisely controlled, and the treated river is clean and pollution-free. , The high-pressure water ejected from the nozzle by the high-pressure pump impacts the sludge, and further cuts and pulverizes the sludge through the rotating blade, so that the sludge is gradually dispersed, making it easier for the suction pump to collect and process the sludge, simplifying the dredging process and improving the dredging work efficiency. During operation, the water pump 17 extracts water from the nozzle 19, and then the first motor 5 and the second motor 11 work to drive the first rotating shaft 6 and the second rotating shaft 12 to rotate to pulverize the sludge. After pulverization, the sludge pump 21 passes through the sludge. The cover 20 extracts the sludge to the filter chamber 24, filters the river water through the filter 30, and transports it to the shore for processing.

The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only for illustrating the present invention. principle, without departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, these changes and improvements all fall within the scope of the claimed invention, and the claimed scope of the present invention is determined by the appended rights Requirements and their equivalents are defined.

Claims (7)

1. The utility model provides a hydraulic engineering desilting device which characterized in that: the dredging boat comprises a dredging boat body (1), an upright post (2), a cross beam (3), a first waterproof housing (4), a first motor (5), a first rotating shaft (6), a stirring rod (7), stirring teeth (8), a lifting rod (9), a second waterproof housing (10), a second motor (11), a second rotating shaft (12), a breaking hammer (13), a dredging plate (14), a connecting rod (15), a mud shovel (16), a water pump (17), a water pipe (18) and a nozzle (19); the left side of the upper surface of the dredging ship body (1) is fixedly connected with an upright post (2); the top end of the upright post (2) is fixedly connected with a cross beam (3); the left side of the lower surface of the cross beam (3) is fixedly connected with a first waterproof cover shell (4); a first motor (5) is fixedly connected in a cavity of the first waterproof housing (4); the output shaft of the first motor (5) is in shaft connection with a first rotating shaft (6), and the first rotating shaft (6) is vertical to the horizontal plane; a plurality of stirring rods (7) are fixedly connected to the outer surface of the first rotating shaft (6); a plurality of stirring teeth (8) are fixedly connected to the outer surface of the stirring rod (7); the middle end of the lower surface of the cross beam (3) is fixedly connected with a lifting rod (9), and the lifting rod (9) is vertical to the horizontal plane; the tail end of the lifting rod (9) is fixedly connected with a second waterproof housing (10); a second motor (11) is arranged in a cavity of the second waterproof housing (10); a second rotating shaft (12) is axially connected to an output shaft of the second motor (11), and the second rotating shaft (12) is parallel to the horizontal plane; a breaking hammer (13) is fixedly connected to the left end of the second rotating shaft (12); a plurality of dredging plates (14) are fixedly connected to the outer surface of the second rotating shaft (12); the bottom surface of the second waterproof housing (10) is fixedly connected with a connecting rod (15); a mud pushing shovel (16) is fixedly connected to the left end of the connecting rod (15); a water pump (17) is fixedly connected to the cross beam (3); one end of the water pump (17) is communicated with a water pipe (18), and the other end of the water pipe (18) is positioned below the dredging ship body (1); the other end of the water pump (17) is communicated with two nozzles (19), and the nozzles (19) are aligned to the left side of the dredging ship body (1);

the sludge filter also comprises a sludge cover (20), a sludge pump (21), a sludge pipe (22), a sludge outlet (23), a filter chamber (24), a feed inlet (25), a pin shaft (26), a pneumatic rod (27), a concave frame (28), a spring (29) and a filter screen (30); the sludge cover (20) is fixedly connected to the lower surface of the dredging ship body (1); a filter chamber (24) is fixedly connected to the right side of the upper surface of the dredging ship body (1); the top end of the filter chamber (24) is fixedly communicated with a feed inlet (25); one end of the sludge pump (21) is communicated with the sludge cover (20) through a sludge pipe (22); the other end of the sludge pump (21) is communicated with a sludge outlet (23) through a sludge pipe (22), and the sludge outlet (23) is positioned above the feeding hole (25); the outer surfaces of the two sides of the filtering chamber (24) are respectively connected with a pneumatic rod (27) in a penetrating way; the movable ends of the air pressure rods (27) are respectively connected with a pin shaft (26) in a shaft mode, the pin shafts (26) are all positioned on the inner side of a cavity of the filtering chamber (24), and the pin shafts (26) are parallel to the horizontal plane; the other end of each pin shaft (26) is fixedly connected with a concave frame (28); a filter screen (30) is arranged between the concave frames (28); two springs (29) are fixedly connected between the concave frame (28) and the filter chamber (24).

2. The hydraulic engineering desilting device of claim 1, characterized in that: the lifting rod (9) is a pneumatic rod.

3. The hydraulic engineering desilting device of claim 1, characterized in that: the first motor (5) and the second motor (11) are both variable frequency motors.

4. The hydraulic engineering desilting device of claim 1, characterized in that: the water pump (17) is a vacuum water pump.

5. A hydraulic engineering dredging device according to claim 2, characterized in that: the filter screen (30) is a metal filter screen.

6. The hydraulic engineering desilting device of claim 1, characterized in that: the feed inlet (25) is in a horn mouth shape.

7. The hydraulic engineering desilting device of claim 1, characterized in that: the spring (29) is a disc spring.

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