CN110984270A

CN110984270A - Novel jet type dredging equipment

Info

Publication number: CN110984270A
Application number: CN201911285252.2A
Authority: CN
Inventors: 郭楚; 范宜金; 李玲玉; 李纪; 陈仁连
Original assignee: SHANGHAI YOUWEI ENGINEERING DESIGN CO LTD
Current assignee: SHANGHAI YOUWEI ENGINEERING DESIGN CO LTD
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-04-10
Anticipated expiration: 2039-12-13
Also published as: CN110984270B

Abstract

The invention discloses a novel jet type dredging device, which comprises a ship body, wherein a driving control room, a power source, a hydraulic system and a transmission system which are connected with the driving control room are arranged on the ship body, and the novel jet type dredging device also comprises: the mechanical arm is arranged at the front end of the ship body, is connected with the hydraulic system and is driven to move by the hydraulic system under the control of the cab; the swinging pushing-scraping sewage-cleaning type hydraulic flushing and sludge-sucking device is connected to the mechanical arm and moves along with the movement of the mechanical arm; the swinging pushing and scraping dirt-cleaning type hydraulic flushing silt-sucking device comprises a jet device and a dirt-blocking and mud-sucking head; the water inlet system comprises a water inlet pipe and a water jetting pump connected with the transmission system, the water inlet pipe is connected with the jetting device and provides a high-pressure water source for the jetting device to impact river bottom sludge; the mud suction system comprises a mud suction pipe, a mud suction pump connected with the transmission system and a mud discharge pipe connected with the mud suction pump, wherein the mud suction pipe is connected with a trash blocking suction head and used for sucking the mud at the bottom of the river and discharging the mud from the mud discharge pipe.

Description

Novel jet type dredging equipment

Technical Field

The invention relates to the technical field of water conservancy dredging, in particular to novel jet type dredging equipment.

Background

With the rapid development of social economy and the continuous acceleration of urbanization, various wastes and soil in the river course are soaked and fermented in river water for a long time to form a thick sludge layer. The silt and sludge conditions of small and medium river channels in China exist in different degrees, so that the water environment is influenced, the production and the life of residents are also adversely affected, and meanwhile, the silt deposition in the river channels also has great influence on the flood control and drainage of cities. Therefore, dredging the river channel becomes an irreparable task.

At present, the dredging method of the small and medium-sized river channels in China comprises draining and dredging, underwater dredging and the like. The method has the advantages that the method is high in cost, limited in construction period, easy to influence weather in the construction process, easy to influence the side slope of the river channel and an ecological system, and low in working efficiency. The underwater dredging comprises a grab bucket type, a common pump suction type, a common cutter suction type and the like. Grab dredging is easy to generate the phenomenon of digging harder stratum earthwork at the lower part of a riverbed, thereby leaking a large amount of surface layer bottom mud and disturbing the upper water body to cause secondary pollution of the water body. A large amount of river water is easy to be sucked out by common pump suction type dredging, and simultaneously, the blockage of a mud sucking port is easy to be caused due to the complexity of river bottom garbage. The reamer head and the rotating shaft of the common cutter-suction type dredging equipment are easy to be wound by the garbage at the river bottom, and the sludge suction port is easy to be blocked by the garbage. Therefore, the existing dredging equipment can not meet the requirements of environmental protection dredging and high-efficiency dredging of medium and small river channels in China.

Disclosure of Invention

The application provides a novel jet type dredging device, and aims to solve the problems that an underwater dredging method in the prior art is backward, the working efficiency is low and secondary pollution can be caused.

In order to achieve the technical purpose, the following technical scheme is adopted in the application:

the utility model provides a novel efflux formula desilting equipment, its includes a hull, be equipped with the cab on the hull and with power supply, hydraulic system and the transmission system that the cab links to each other still include:

the mechanical arm is arranged at the front end of the ship body, is connected with the hydraulic system and is driven to move by the hydraulic system under the control of the cab;

the swinging pushing and scraping sewage-cleaning type hydraulic flushing and sludge-sucking device is connected to the mechanical arm and moves along with the movement of the mechanical arm; the swinging pushing-scraping sewage-cleaning type hydraulic flushing silt-sucking device comprises a jet device and a sewage-blocking mud-sucking head;

the water inlet system comprises a water inlet pipe and a water jetting pump connected with the transmission system, the water inlet pipe is connected with the jet device, and a high-pressure water source for impacting river bottom sludge is provided for the jet device;

and the mud suction system comprises a mud suction pipe, a mud suction pump connected with the transmission system and a mud discharge pipe connected with the mud suction pump, and the mud suction pipe is connected with the trash holding mud suction head and used for sucking the mud at the river bottom and discharging the mud from the mud discharge pipe.

Preferably, crawling support feet are arranged on two sides of the ship body, and are controlled by the driving control room and provide power through the hydraulic system.

Preferably, the trash holding and suction head comprises:

the bottom surface of the cambered surface suction head is a cambered surface, and a plurality of through holes are formed in the cambered surface; the cambered surface suction head is hollow, a slurry outlet is formed in the cambered surface suction head, and the slurry outlet is connected with the sludge suction pipe;

the cambered surface scraper comprises a scraper part consistent with the radian of the bottom surface of the cambered surface suction head and two hanging pieces respectively connected to two ends of the scraper part; the upper end part of the hanging piece is connected to the cambered surface suction head, and the scraper part and the bottom surface are ensured to keep a fit tolerance; the hanging piece is connected with the hydraulic system, and the scraper part is driven by the hydraulic system to scrape back and forth along the bottom surface.

Preferably, the jet device is fixed on the trash holding head, and the jet device comprises:

the first ring pipe is fixed on the sewage blocking and mud sucking head, is connected with the water inlet pipe and supplies water through the water inlet pipe;

and the second ring pipe is connected with the first ring pipe through a water distribution pipe, and a high-pressure spray head is arranged on the lower surface of the second ring pipe.

Preferably, a step surface is formed on the cambered surface suction head, and the lower end part of the step surface extends towards two sides in an inclined manner, so that the bottom surface of the lower end part forms the cambered surface.

Preferably, the first collar is fixed to the stepped surface.

Preferably, the cab is arranged at the head part of the hull; the power source is arranged in the cabin of the ship body; the hydraulic system is arranged on one side of the tail of the ship body; the transmission mechanism is arranged on the other side of the tail of the ship body.

Due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:

1. the novel jet type dredging equipment provided by the invention has the advantages that the river bottom sludge is stirred up by jetting water flow, the sludge blocking and sucking head intercepts the sewage, the sludge enters the sludge sucking head through the sieve holes, and the sludge is conveyed to a specified place for treatment by the sludge sucking system. As the sludge is mainly conveyed through the sludge suction system, the influence on the upper water body can be reduced, and the balance and the stability of the ecological system in the upper water body can be effectively kept.

2. The sludge blocking and sucking head, the jet device and part of sludge sucking pipes in the sludge sucking system designed by the invention are all arranged on the mechanical arm, and the mechanical arm can work underwater through telescopic movement, so that continuous dredging can be carried out without intercepting and draining the river channel.

3. The crawling support leg designed by the invention can crawl in water and on land, and when the dredging equipment works in water, the crawling support leg can also play a supporting role, so that the stability of a ship body in working is ensured.

4. The sludge blocking and sucking head designed by the invention drives the scraper plate to scrape back and forth through the hydraulic system, so that the dirt around the sludge sucking head can be effectively removed, the inlet of the sludge sucking pipe is prevented from being blocked, and the sludge sucking efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the novel jet dredging equipment.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a cross-sectional view of fig. 1.

Fig. 5 is a schematic structural view of the sludge-blocking suction head of the present invention.

Fig. 6 is a bottom view of fig. 5.

Fig. 7 is a schematic structural view of the connection of the fluidic device of the present invention to a water intake system.

Figure 8 is a schematic view of a mud suction system of the present invention.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

The novel jet type dredging equipment comprises a ship body 1, a cab 2, a power source 3, a hydraulic system 4, a transmission mechanism 5, a mechanical arm 6, a crawling support leg 7, a swinging pushing and scraping sewage-cleaning type hydraulic flushing and sludge suction device (a jet device 9 and a sewage and sludge blocking and suction head 8), a water inlet system 11, a sludge suction system 10 and the like.

Referring to fig. 1 to 4, a cab 2 is disposed at a head of a hull 1, a power source 3 is disposed in a cabin of the hull 1, a hydraulic system 4 is disposed at one side of a tail of the hull 1, and a transmission mechanism 5 is disposed at the other side of the tail of the hull. The mechanical arm 6 is a hydraulic mechanical arm, is arranged in the middle of the head of the ship body and is driven to move in a telescopic mode through the hydraulic system 4. The crawling support leg 7 is a hydraulic crawling support leg, can crawl in water and on land, and can also play a supporting role during operation in water. Partial sludge suction pipes 101 in the sludge blocking and sucking head 8, the jet device 9 and the sludge sucking system 10 are all arranged on the mechanical arm 6, and the mechanical arm 6 can work underwater through telescopic movement, so that continuous dredging can be carried out without intercepting and pumping the river channel. Meanwhile, the distance from the nozzle 91 in the jet device 9 to the river bottom can be adjusted according to the actual working condition through the stretching of the mechanical arm 6. Water flow is sprayed to the river bottom through the jet device 9, and the river bottom sludge is stirred up and mixed into slurry. The sludge is intercepted outside through the sludge blocking and sucking head 8, and is pumped and discharged to a specified place for treatment by the sludge sucking system 10. The process mainly carries out sludge conveying through the sludge suction system 10, reduces the influence on the upper water body, and can effectively keep the balance and stability of the ecological system in the upper water body.

Referring to fig. 5 to 6, the dirt and sludge blocking and suction head 8 is disposed below the robot arm 6 and includes a cambered suction head 81 and a cambered scraper 82. The bottom surface of the cambered surface suction head 81 is a cambered surface, and a plurality of through holes 811 are arranged on the cambered surface. The cambered surface suction head 81 is hollow, a slurry outlet 812 is formed in the cambered surface suction head, and the slurry outlet 812 is connected with the sludge suction pipe 101. The cambered surface scraper 82 comprises a scraper part 821 which is consistent with the radian of the bottom surface of the cambered surface suction head and two hanging pieces 822 which are respectively connected with the two ends of the scraper part. The upper end of the hanging tab 822 is connected to the cambered nozzle 81 and ensures that the scraper portion 821 maintains a tolerance fit with the bottom surface. The hanging plate 822 is connected to the hydraulic system 4, and the scraper portion 821 is driven by the hydraulic system 4 to scrape back and forth along the bottom surface, so as to remove the dirt gathered around the bottom surface. The middle part below the scraper part 821 is provided with a groove 823 and is hollowed out, so that the flow of sludge entering the sieve cover can be increased, and the sludge suction efficiency is improved. The size and the number of the through holes 811 can be set according to specific working conditions, and the through holes can intercept dirt and prevent the inlet of the sludge suction pipe 101 from being blocked. The upper part of the cambered surface suction head 81 is connected with the mud suction system 10, and mud entering the cambered surface suction head 81 is pumped and discharged to a specified place through the mud suction system 10.

As shown in fig. 1 and 7, the jet device 9 includes a first loop 92, a water dividing pipe 94, a second loop 93 and a high-pressure nozzle 91. The first ring pipe 92 is fixed on the boss of the cambered surface suction head 81; the second loop 93 is fed from the first loop 92 through a knock out pipe 94. The bottom of the second ring pipe 93 is provided with a spray head 91. The nozzle 91 may be arranged to vary the spray angle in the prior art. The upper end of the first loop 92 is connected to the water intake system 11.

The water intake system 11 includes a water intake pipe 111 and a water jet pump 112. An inlet pipe 111 connects the upper end of the first loop pipe 92 and a jet pump 112. A waterjet pump 112 is powered by the drive train 5 and draws water from the river through a water intake 113 to the water intake 111. The water jet pump 112 is arranged at one side of the tail part of the ship body 1 and is connected with the transmission mechanism 5. The water intake system 11 pumps the surface river water from the water intake pipe 113 to the water intake pipe 111 by means of the water jet pump 112, and jets the water flow to the river bottom through the jet device 9 and the nozzle 91 to stir up the silt of the river bottom to form slurry. The number, length, and direction of the nozzles 91 can be adjusted as appropriate.

As shown in fig. 1 and 8, the mud suction system 10 includes a mud suction pipe 101, a mud suction pump 102, and a mud discharge pipe 103. The inlet of the sludge suction pipe 101 is connected with the upper part of the trash blocking and sludge sucking head 8, the outlet of the sludge suction pipe is connected with the sludge pump 102, the sludge pump 102 is placed in the middle of the ship body 1 and is connected with the transmission mechanism 5, one end of the sludge discharge pipe 103 is connected with the sludge suction pump, the other end of the sludge discharge pipe can be connected with the rubber pipe, and sludge stirred up from the river bottom is pumped and discharged to a designated place for processing.

The reasonable layout of the ship body guarantees the working stability of the ship body. Simultaneously, the river bottom sludge is stirred up through the water jet, the sludge blocking and sucking head intercepts the sludge, the sludge enters the sludge sucking head through the sieve holes, and the sludge is conveyed to a specified place to be processed by the sludge sucking system. As the sludge is mainly conveyed through the sludge suction system, the influence on the upper water body can be reduced, and the balance and the stability of the ecological system in the upper water body can be effectively kept. The sludge blocking and sucking head, the jet device and part of sludge sucking pipes in the sludge sucking system designed by the invention are all arranged on the mechanical arm, and the mechanical arm can work underwater through telescopic movement, so that continuous dredging can be carried out without intercepting and draining the river channel. The crawling support leg designed by the invention can crawl in water and on land, and when the dredging equipment works in water, the crawling support leg can also play a supporting role, so that the stability of a ship body in working is ensured. The sludge blocking and sucking head designed by the invention drives the scraper plate to scrape back and forth through the hydraulic system, so that the dirt around the sludge sucking head can be effectively removed, the inlet of the sludge sucking pipe is prevented from being blocked, and the sludge sucking efficiency is improved.

The above-described embodiments are merely illustrative of the present invention and are not intended to limit the scope of the present invention. All equivalent changes and modifications of the invention that may occur to those skilled in the art are intended to be covered by the appended claims.

Claims

1. The utility model provides a novel jet type desilting equipment, its includes a hull, be equipped with the cab on the hull and with power supply, hydraulic system and the transmission system that the cab links to each other, its characterized in that still includes:

2. The novel jet dredging device as claimed in claim 1, wherein crawling feet are arranged on two sides of the hull, and are controlled by the cab and powered by the hydraulic system.

3. The novel jet dredging equipment as claimed in claim 1, wherein the trash holding and suction head comprises:

4. The novel jet dredging equipment as claimed in claim 1 or 3, wherein the jet device is fixed on the trash holding and mud sucking head, and the jet device comprises:

5. The novel jet dredging device as claimed in claim 4, wherein a step surface is formed on the cambered surface suction head, and the lower end part of the step surface extends obliquely towards two sides, so that the bottom surface of the lower end part forms the cambered surface.

6. The novel jet dredging device as claimed in claim 5, wherein the first loop pipe is fixed on the step surface.

7. The novel jet dredging device as claimed in claim 1, wherein the cab is arranged at the head of the hull; the power source is arranged in the cabin of the ship body; the hydraulic system is arranged on one side of the tail of the ship body; the transmission mechanism is arranged on the other side of the tail of the ship body.