CN210421222U

CN210421222U - Novel green dredging device with lining open channel without water stop

Info

Publication number: CN210421222U
Application number: CN201920997521.7U
Authority: CN
Inventors: 刘明潇; 刘琴琴; 史鹏钰; 孙羽; 董明家; 张凌峰
Original assignee: North China University of Water Resources and Electric Power
Current assignee: North China University of Water Resources and Electric Power
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-28
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a novel green desilting device without stopping water for an open channel with lining, which comprises a desilting ship, wherein a desilting mechanism is loaded on the desilting ship and comprises an outer frame and an inner desilting box body which are only provided with openings on the bottom surfaces, the bottom ends of the outer frame and the inner desilting box body are hermetically connected together, a sealed cavity is formed between the outer frame and the inner desilting box body, and the bottom of the outer frame is provided with a pressure sensor; the bottom of two opposite side surfaces of the inner dredging box body is provided with an air knife mechanism, one of the other two opposite side surfaces is provided with a scouring water spraying mechanism close to the bottom of the side surface, and the bottom of the other opposite side surface is provided with a mud pumping mechanism. The utility model can clean the sludge at the bottom of the open channel under the condition that the open channel does not stop water, and can not cause great interference to the surrounding water body and secondary pollution to the surrounding water body in the cleaning process; can accomplish in time and the interior deposit of efficient clearance canal, greatly reduced human labor's use, improved work efficiency.

Description

Novel green dredging device with lining open channel without water stop

Technical Field

The utility model belongs to the technical field of the open channel clearance, concretely relates to green desilting new installation that does not stop water of open channel has the lining.

Background

Along with the increasing perfection of the hydraulic engineering construction technology in China, large and medium-sized open channels are often open channels which extend for thousands of kilometers, dust in the air is inevitably mixed with other impurities and microorganisms in the process of water delivery along the way, and the dust sinks at the bottom of the channel and gradually accumulates to form sludge, so that various microorganisms and benthonic organisms are bred; the water quality of the water delivery is inevitably influenced in the long run, and the normal drinking water requirement of people is hindered. Because the water supply load of large and medium-sized open channels is high, water can not be cut off to remove silt generally; if the sludge at the bottom of the canal can not be removed in time and the microorganisms on the side slope are bred, the sludge can be an important factor influencing the water quality of large and medium-sized water diversion projects in future.

The traditional dredging technology mainly comprises the steps of installing dredging equipment on a ship, basically using the dredging ship as an operation platform, fixing the dredging ship at a certain position to develop sludge and conveying the sludge to a set position by using a pipeline. The dredging method can be divided into a cutter suction type, a bucket wheel type, a grab bucket type and a pump suction type. The methods usually have large interference on surrounding water bodies, secondary pollution is caused to the surrounding water bodies during dredging, and if cofferdam and sludge drainage and suction are adopted, the method is difficult to realize for a long-term medium-sized water delivery open channel, particularly for channels which need to be in a water delivery state all the time and ensure water quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a green desilting new device that does not stop water of open channel with lining.

The purpose of the utility model is realized with the following mode:

a novel green dredging device with a lined open channel without stopping water supply comprises a dredging ship 21, wherein a dredging mechanism is loaded on the dredging ship 21, the dredging mechanism comprises an outer frame 1 and an inner dredging box body 2 which are only provided with openings on the bottom surfaces, the bottom ends of the outer frame 1 and the inner dredging box body 2 are connected together in a sealing way, a sealed cavity is formed between the outer frame 1 and the inner dredging box body 2, and the bottom of the outer frame 1 is provided with a pressure sensor; the bottom of two opposite side surfaces of the inner dredging box body 2 is provided with an air knife mechanism, one of the other two opposite side surfaces is provided with a scouring water spraying mechanism close to the bottom of the side surface, and the bottom of the other opposite side surface is provided with a mud pumping mechanism.

The bottom edge of the outer frame 1 is connected with a rectangular hollow rubber shrinkage pad 12.

The air knife mechanism, the scouring water spraying mechanism and the mud pumping mechanism are all arranged in the sealed cavity, and the air outlet of the air knife mechanism, the scouring water outlet of the scouring water spraying mechanism and the mud inlet of the mud pumping mechanism are respectively communicated with the inside of the inner dredging box body 2.

The bottom below rigid coupling of dredging ship 21 has hydraulic telescoping rod 16, and the 16 bottom of hydraulic telescoping rod is connected with bulb axle 15, and bulb axle 15 is connected on dredging mechanism, the 1 top surface in outer frame of dredging mechanism is connected with linking bridge 5, and linking bridge 5 top is connected on the universal ball of bulb axle 15, and hydraulic telescoping rod 16 passes through bulb axle 15, linking bridge 5 drive outer frame 1 slope or rotates.

The air knife mechanism comprises air knife sprayers 9 arranged along the length direction of the side face of the inner dredging box body 2 at intervals, air channel branch pipes 10 are connected between the adjacent air knife sprayers 9, the air channel branch pipes 10 are connected with an air channel main pipe 13, and the tail ends of the air channel main pipes 13 are connected with fans.

The scouring water spraying mechanism comprises a scouring spray pipe 11 distributed along the width direction of the side face of the inner dredging box body 2, the rear end of the scouring spray pipe 11 is connected with a scouring water inlet pipe 8 and a scouring water pump 3, and the scouring water inlet pipe 8 is connected with a water tank.

The mud pumping mechanism comprises a mud pumping pipe 14, the rear end of the mud pumping pipe 14 is connected with a mud pumping pump 4 and a mud pumping guide pipe 7, and the tail end of the mud pumping guide pipe 7 is connected with a mud tank 20.

The dredging ship 21 is also provided with a control box 19, and the control box 19 is respectively connected with a pressure sensor, the hydraulic telescopic rod 16, the air knife mechanism, the scouring water spraying mechanism and a driving device of the mud pumping mechanism.

The junction between outer frame 1 and the interior desilting box 2 all is provided with stagnant water gum cover 17, the wind sword mechanism, erode the water spray mechanism, take out the mud mechanism and interior desilting box 2 or the junction between outer frame 1 also all is provided with stagnant water gum cover 17.

The outer frame 1 and the inner dredging box body 2 are fixedly connected together through bolts 18.

Compared with the prior art, the utility model has the advantages that the outer frame and the inner dredging box body are arranged to form the sealed cleaning cavity, the air knife mechanism, the scouring water spraying mechanism and the mud pumping mechanism are matched with each other, so that the sludge at the bottom of the open channel can be cleaned under the condition that the open channel does not stop water, and the cleaning process can not cause great interference to the surrounding water body and secondary pollution to the surrounding water body; can accomplish in time and the interior deposit of efficient clearance canal, greatly reduced human labor's use, improved work efficiency.

Drawings

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

Fig. 2 is a schematic structural view of the dredging mechanism in fig. 1.

Fig. 3 is a right side view of fig. 2.

Fig. 4 is a schematic structural view of the wind knife sprinkler head of fig. 2.

Wherein, 1, an outer frame; 2. an inner dredging box body; 3. flushing the water pump; 4. a mud pump; 5. connecting a bracket; 6. an outer header pipe; 7. a mud pumping duct; 8. flushing the water inlet pipe; 9. air knife spray head 901, spout; 10. an air duct branch pipe; 11. flushing the spray pipe; 12. a rubber shrink pad; 13. an air duct main pipe; 14. a mud pumping pipe; 15. a ball end shaft; 16. a hydraulic telescopic rod; 17. a water stopping rubber sleeve; 18. a bolt; 19. a control box; 20. a sludge tank; 21. provided is a dredging ship.

Detailed Description

As shown in fig. 1 and 2, a novel green dredging device without stopping water supply for an open channel with lining, which comprises a dredging ship 21, wherein a dredging mechanism is loaded on the dredging ship 21, the dredging mechanism comprises an outer frame 1 and an inner dredging box body 2 which are both only provided with openings on the bottom surfaces, the outer frame 1 and the inner dredging box body 2 are both in a cuboid shape, the bottom ends of the outer frame 1 and the inner dredging box body 2 are hermetically connected together, a sealed cavity is formed between the outer frame 1 and the inner dredging box body 2 and is used for accommodating equipment such as cables, pipelines and the like, and a pressure sensor (not shown in the figure) is arranged at the bottom of the outer frame 1; the bottom of two opposite side surfaces of the inner dredging box body 2 is provided with an air knife mechanism, one of the other two opposite side surfaces is provided with a scouring water spraying mechanism close to the bottom of the side surface, and the bottom of the other opposite side surface is provided with a mud pumping mechanism. There is the open channel of lining cutting that the channel bottom is the concrete open channel, the utility model discloses the suitability to having the open channel of lining cutting is better.

In order to facilitate the outer frame 1 and the inner dredging box body 2 to be tightly attached to the bottom surface of the open channel together to form an absolutely sealed space, the bottom edge of the outer frame 1 is connected with a rectangular hollow rubber shrinkage pad 12. Because the rubber shrinkage pad 12 is made of rubber, it can form seamless joint with the concrete on the bottom surface of the open channel.

In order to prevent the sludge adhesion at air knife mechanism, erode water spray mechanism and take out the mud mechanism on, air knife mechanism, erode water spray mechanism and take out the mud mechanism and all set up in the sealed cavity, only the wind export through air knife mechanism, the mud import that erodees water spray mechanism's scour water export and take out mud mechanism is linked together with interior desilting box 2 inside respectively.

Further, as shown in fig. 1 and 3, a hydraulic telescopic rod 16 is fixedly connected to the lower portion of the bottom of the dredging ship 21, a ball shaft 15 is connected to the bottom end of the hydraulic telescopic rod 16, the ball shaft 15 is connected to the dredging mechanism, a connecting support 5 is connected to the top surface of the outer frame 1 of the dredging mechanism, the connecting support 5 is distributed at four corners of the outer frame 1, the upper ends of the connecting support 5 are fixedly connected together, the top end of the connecting support 5 is connected to a universal ball of the ball shaft 15, and the hydraulic telescopic rod 16 drives the outer frame 1 to incline or rotate through the ball shaft 15 and the connecting support 5. The universal ball of the ball stud 15 is embedded in the bottom end of the ball stud shaft lever, and can rotate in multiple directions, which is not described herein for the mature prior art.

Further, as shown in fig. 2, the air knife mechanism includes air knife nozzles 9 arranged along the length direction of the side surface of the inner dredging box 2 at intervals, an air duct branch pipe 10 is connected between adjacent air knife nozzles 9, the air duct branch pipe 10 is connected with an air duct main pipe 13, the end of the air duct main pipe 13 is connected with a fan (not shown in the figure), the fan can be a vortex fan or a high-pressure centrifugal fan, and is used for driving the air knife nozzles 9, and the air knife mechanism is in the prior art. The air knife nozzle 9 has a step-shaped structure as shown in fig. 4, a cavity is formed in the air knife nozzle, and a nozzle 901 is arranged at a part of the air knife nozzle close to the inner side of the inner dredging box body 2.

Further, as shown in fig. 2, the flushing water spraying mechanism comprises flushing spray pipes 11 distributed along the width direction of the side surface of the inner dredging box body 2, a flushing water inlet pipe 8 and a flushing water pump 3 are connected to the rear ends of the flushing spray pipes 11, and a water tank (not shown in the figure) is connected to the flushing water inlet pipe 8. The flush spout 11 includes a plurality of spray head manifolds.

Further, as shown in fig. 2, the sludge pumping mechanism comprises a sludge pumping pipe 14, a sludge pumping pump 4 and a sludge pumping conduit 7 are connected to the rear end of the sludge pumping pipe 14, a sludge tank 20 is connected to the tail end of the sludge pumping conduit 7, and the sludge tank 20 is arranged on a dredging boat 21. The scouring water pump 3 and the mud pump 4 are both fixedly arranged on the outer frame 1. The fan and the water tank are also arranged on the dredging ship 21.

The upper sections of the mud pumping guide pipe 7, the scouring water inlet pipe 8 and the air duct main pipe 13 are all sleeved in the outer main pipe 6 and extend to the dredging ship 21 together with the outer main pipe 6. The outer header pipe 6 is positioned in the middle of the outer frame 1 and the inner dredging box body 2 and is respectively fixedly connected with the outer frame 1 and the inner dredging box body 2, and a water stop rubber sleeve 17 is also arranged at the joint to prevent sewage from causing secondary pollution to surrounding water bodies.

In order to facilitate automatic control, the dredging ship 21 is also provided with a control box 19, and the control box 19 is respectively connected with a pressure sensor, the hydraulic telescopic rod 16, the air knife mechanism, the scouring and water spraying mechanism and a driving device of the mud pumping mechanism. Specifically, the control box 19 comprises a controller and a display, and the controller controls the switches and the working power of the air knife mechanism, the scouring water spraying mechanism and the mud pumping mechanism; the display shows the working conditions of the pressure sensor, the air knife mechanism, the scouring water spraying mechanism and the mud pumping mechanism, and the control part is mature prior art and is not described in detail herein. The utility model discloses the equal outsourcing waterproof durable material of power cord that uses in stretches out through the stagnant water gum cover of 1 top wall of outer frame.

In order to prevent sewage from causing secondary pollution to surrounding water bodies, the junction between the outer frame 1 and the inner dredging box body 2 is provided with a water stop rubber sleeve 17, and the junction between the air knife mechanism, the scouring water spraying mechanism, the mud pumping mechanism and the inner dredging box body 2 or the outer frame 1 is also provided with the water stop rubber sleeve 17.

In order to facilitate the disassembly and maintenance, the outer frame 1 and the inner dredging box body 2 are fixedly connected together through bolts 18.

When the utility model works, the control box 19 drives the hydraulic contraction rod 16 to drive the dredging mechanism to press into the water delivery canal to be cleaned through the ball head shaft 15 and the connecting bracket 5, and the existence of the ball head shaft 15 can ensure that the dredging mechanism can work on the bank slope of the water delivery canal; after the lower bottom surface of the rubber shrinkage pad 12 contacts the bottom of the channel, continuing to press down until the pressure sensor reaches a preset value; at the moment, the control box 19 drives the air knife mechanism to start working, high-pressure air flow is sprayed out by the air knife spray head 9, and the high-pressure air flow carries out primary separation and removal on sludge at the bottom of the open channel in the internal dredging box body 2; after a period of time, the control box 19 stops the air knife mechanism, starts the sludge pumping mechanism, starts the sludge pump 4, and pumps the sludge in the internal dredging box body 2 through the sludge pumping pipe 14; after the suction is finished, the control box 19 closes the dredge pump 4, opens the scouring water spraying mechanism, the scouring water pump 3 is started, secondary desilting is carried out through high-pressure water flow sprayed out by the scouring spray pipe 11, and after the scouring is finished, the dredge pump 4 is opened again for suction, so that one-time circulation work of the desilting mechanism is completed.

What has been described above is only the preferred embodiments of the present invention, and it should be noted that, for those skilled in the art, without departing from the overall concept of the present invention, a plurality of changes and improvements can be made, and these should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the utility of the patent.

Claims

1. The utility model provides a green desilting new installation that does not stop to water of open channel has the lining, its characterized in that: the automatic dredging device comprises a dredging ship (21), wherein a dredging mechanism is loaded on the dredging ship (21), the dredging mechanism comprises an outer frame (1) and an inner dredging box body (2) which are only provided with openings on the bottom surfaces, the bottom ends of the outer frame (1) and the inner dredging box body (2) are connected together in a sealing way, a sealed cavity is formed between the outer frame (1) and the inner dredging box body (2), and the bottom of the outer frame (1) is provided with a pressure sensor; the bottom of two opposite side surfaces of the inner dredging box body (2) is provided with an air knife mechanism, one of the other two opposite side surfaces is provided with a scouring water spraying mechanism close to the bottom of the side surface, and the bottom of the other opposite side surface is provided with a mud pumping mechanism.

2. The novel green desilting device for the lined open channel without stopping water supply according to claim 1, is characterized in that: the bottom edge of the outer frame (1) is connected with a rectangular hollow rubber shrinkage pad (12).

3. The novel green desilting device for the lined open channel without stopping water supply according to claim 1, is characterized in that: the air knife mechanism, the scouring water spraying mechanism and the mud pumping mechanism are all arranged in the sealed cavity, and the air outlet of the air knife mechanism, the scouring water outlet of the scouring water spraying mechanism and the mud inlet of the mud pumping mechanism are respectively communicated with the inside of the inner dredging box body (2).

4. The novel green desilting device for the lined open channel without stopping water supply according to claim 1 or 2, is characterized in that: desilting ship (21) bottom below rigid coupling has hydraulic telescoping rod (16), and hydraulic telescoping rod (16) bottom is connected with bulb axle (15), and bulb axle (15) are connected in desilting mechanism, outer frame (1) top surface of desilting mechanism is connected with linking bridge (5), and linking bridge (5) top is connected on the universal ball of bulb axle (15), and hydraulic telescoping rod (16) are through bulb axle (15), linking bridge (5) drive outer frame (1) slope or rotate.

5. The novel green desilting device for the lined open channel without stopping water supply according to claim 1 or 3, is characterized in that: the air knife mechanism comprises air knife nozzles (9) arranged along the length direction of the side face of the inner dredging box body (2) at intervals, air channel branch pipes (10) are connected between every two adjacent air knife nozzles (9), the air channel branch pipes (10) are connected with an air channel main pipe (13), and the air channel main pipe (13) is connected with a fan at the tail end.

6. The novel green desilting device for the lined open channel without stopping water supply according to claim 1 or 3, is characterized in that: the scouring water spraying mechanism comprises scouring spray pipes (11) distributed along the width direction of the side face of the inner dredging box body (2), the rear ends of the scouring spray pipes (11) are connected with scouring water inlet pipes (8) and scouring water pumps (3), and the scouring water inlet pipes (8) are connected with a water tank.

7. The novel green desilting device for the lined open channel without stopping water supply according to claim 1 or 3, is characterized in that: the mud pumping mechanism comprises a mud pumping pipe (14), the rear end of the mud pumping pipe (14) is connected with a mud pumping pump (4) and a mud pumping guide pipe (7), and the tail end of the mud pumping guide pipe (7) is connected with a sludge box (20).

8. The novel green desilting device for the lined open channel without stopping water supply as claimed in claim 4, is characterized in that: the dredging boat (21) is also provided with a control box (19), and the control box (19) is respectively connected with a pressure sensor, a hydraulic telescopic rod (16), an air knife mechanism, a scouring water spraying mechanism and a driving device of a mud pumping mechanism.

9. The novel green desilting device for the lined open channel without stopping water supply according to claim 1, is characterized in that: the utility model discloses a desilting device, including outer frame (1) and interior desilting box (2), the junction between outer frame (1) and interior desilting box (2) all is provided with stagnant water gum cover (17), air knife mechanism, erode the water spray mechanism, take out the mud mechanism and interior desilting box (2) or the junction between outer frame (1) also all is provided with stagnant water gum cover (17).

10. The novel green desilting device for the lined open channel without stopping water supply according to claim 1, is characterized in that: the outer frame (1) and the inner dredging box body (2) are fixedly connected together through bolts (18).