CN220414352U - Dredging device for pipeline construction - Google Patents

Abstract

The utility model belongs to the technical field of natural gas pipelines, in particular to a dredging device for pipeline construction, wherein a support plate is fixedly connected to the end part of a dredging ship; the support plates are arranged at the end part of the dredging ship in a plurality of groups, and the end part of the dredging ship is fixedly connected with a flushing pipe; the flushing pipes are arranged at the end part of the dredging ship in a plurality of groups; the end parts of the multiple groups of support plates are provided with screen plates; the sieve plate is fixedly connected with the support plate; the end part of the flushing pipe is positioned below the sieve plate; the middle part of the dredging ship is fixedly connected with a water suction pipe; the suction pipe is fixedly connected with the dredging boat; the end part of the water suction pipe is provided with a water filtering ball; the method can be used for cleaning the dredged soil above the pipeline, and the dredged soil can be firstly dispersed so as to be suspended in water, so that the dredged soil can be adsorbed and collected by the water filtering ball, disturbance and interference to the pipeline when the dredged soil above the pipeline is cleaned are reduced, and the safety of the natural gas pipeline is further powerfully ensured.

Description

Dredging device for pipeline construction

Technical Field

The utility model belongs to the technical field of natural gas pipelines, and particularly relates to a dredging device for pipeline construction.

Background

The natural gas pipeline is used as an aorta for energy transportation, plays a role in urban economic development, is inevitably buried in the seabed in a subtracted mode when natural gas is transported, can be buried in an excavated groove when laid, and is protected by covering broken stone and block stone covering layers with different gradations on the periphery and the upper part of the pipeline.

When a natural gas pipeline is damaged, a covering layer above the pipeline must be cleaned firstly to repair the damaged pipeline body, but certain sediment is accumulated in the pipeline after the pipeline is buried for many years, and the sediment needs to be cleaned firstly when the upper part of the pipeline is cleaned.

Because the sediment of the dredging has the characteristics of low shear strength, high compressibility and high water content, the existing dredging device can cause disturbance and interference to the natural gas pipeline, and further influence the stability of the pipeline to natural gas transportation.

Therefore, the utility model provides a dredging device for pipeline construction.

Disclosure of Invention

In order to overcome the defects of the prior art and solve at least one problem in the background art, the dredging device for pipeline construction is provided.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a dredging device for pipeline construction, which comprises a dredging ship; the end part of the dredging ship is fixedly connected with a support plate; the support plates are arranged at the end part of the dredging ship in a plurality of groups, and the end part of the dredging ship is fixedly connected with a flushing pipe; the flushing pipes are arranged at the end part of the dredging ship in a plurality of groups; the end parts of the multiple groups of support plates are provided with screen plates; the sieve plate is fixedly connected with the support plate; the end part of the flushing pipe is positioned below the sieve plate; the middle part of the dredging ship is fixedly connected with a water suction pipe; the suction pipe is fixedly connected with the dredging boat; the end part of the water suction pipe is provided with a water filtering ball; the water filtering ball is fixedly connected with the water suction pipe; the condition that disturbance and interference are caused to the pipeline are reduced when dredging soil above the pipeline is cleaned, and the safety of the natural gas pipeline is further powerfully ensured.

Preferably, the bottom of the sieve plate is provided with a scraping plate; the scraping plate is rotationally connected with the sieve plate; an extension plate is arranged at the bottom of the scraping plate; the extension plate is in sliding connection with the scraping plate; the middle part of the dredging ship is rotationally connected with a supporting rod; the end part of the supporting rod is provided with a support; the support is fixedly connected with the support rod; the support is connected with the scraping plate in a sliding manner; the degree of the dispersed sludge can be improved, and the cleaning effect of the sludge can be improved.

Preferably, a filter plate is arranged in the dredging ship; the filter plate is fixedly connected with the dredging boat; the surface of the filter plate is connected with a balancing weight in a sliding manner; the balancing weights are arranged on the surface of the filter plate in a plurality of groups; the middle parts of the plurality of groups of balancing weights are fixedly connected with scrapers; a pull rope is fixedly connected with the middle part of the balancing weight; the stay cord is connected with the dredging boat in a sliding way; activated carbon is filled in the dredging ship; the surface of the filter plate can be scraped by using a scraper, so that the cleaning effect of sludge can be improved.

Preferably, a limiting clamp is arranged in the middle of the dredging ship; the limiting clamp is fixedly connected with the dredging boat; the middle part of the limiting clamp is provided with filter cloth; the filter cloth is fixedly connected with the limiting clamp; the condition that the filtering effect is affected by the larger impurities on the surface of the filter plate is reduced.

Preferably, the end part of the dredging ship is fixedly connected with a shelf; one end of the shelf is fixedly connected with the sieve plate; a plurality of groups of flushing pipes are positioned below the shelf; the cleaning effect of the device after use can be improved.

Preferably, the end part of the support plate is rotatably connected with a splitter plate; the splitter plate is provided with a plurality of groups at the end part of the support plate; the blocking force of the dredging ship during advancing can be reduced, and the dredging effect on the dredged soil can be improved.

Preferably, a loop bar is sleeved at the middle part of the pull rope.

Preferably, the shelf is arranged obliquely.

The beneficial effects of the utility model are as follows:

1. the dredging device for pipeline construction can firstly disperse the dredged soil when the dredged soil above the pipeline is required to be cleaned, so that the dredged soil is suspended in water, and can be adsorbed and collected by the water filtering ball, the conditions of disturbance and interference on the pipeline when the dredged soil above the pipeline is cleaned are reduced, and the safety of the natural gas pipeline is further powerfully ensured.

2. According to the dredging device for pipeline construction, when more sludge exists above the pipeline, the scraper and the extension plate can scrape the sludge when the dredging ship moves forwards, so that the degree of the sludge being dispersed can be improved when the flushing pipe is used for flushing the sludge under high pressure, and the cleaning effect of the sludge can be improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the water flushing pipe in the present utility model;

FIG. 3 is a bottom view of the present utility model;

FIG. 4 is a partial cross-sectional view of the present utility model;

FIG. 5 is a schematic view of a stop bolt according to the present utility model;

legend description:

1. dredging ship; 11. a water flushing pipe; 12. a sieve plate; 13. a water filtering ball; 14. a water suction pipe; 15. a support plate; 2. a scraper; 21. an extension plate; 22. a support rod; 23. a support; 3. a filter plate; 31. balancing weight; 32. a scraper; 33. a pull rope; 34. activated carbon; 4. a limiting clamp; 41. a filter cloth; 5. a shelf; 6. a diverter plate; 7. and a limit bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

As shown in fig. 1 to 2, a dredging device for pipeline construction according to an embodiment of the present utility model includes a dredging vessel 1; the end part of the dredging ship 1 is fixedly connected with a support plate 15; the support plates 15 are arranged at the end part of the dredging ship 1 in a plurality of groups, and the end part of the dredging ship 1 is fixedly connected with a flushing pipe 11; the end part of the dredging ship 1 is provided with a plurality of groups of flushing pipes 11; the end parts of the multiple groups of support plates 15 are provided with screen plates 12; the screen plate 12 is fixedly connected with a support plate 15; the end part of the flushing pipe 11 is positioned below the sieve plate 12; the middle part of the dredging boat 1 is fixedly connected with a water suction pipe 14; the suction pipe 14 is fixedly connected with the dredging boat 1; the end part of the water suction pipe 14 is provided with a water filtering ball 13; the water filtering ball 13 is fixedly connected with the water suction pipe 14; when the dredging device is in use, when dredging the upper part of a pipeline, the dredging boat 1 can be placed above the pipeline to be dredged, then the water flushing pipe 11 is enabled to spray water to the front part of the dredging boat 1 through the power device in the dredging boat 1, so that water flows flush the sludge above the pipeline under high pressure, after the dredged soil above the pipeline is dispersed and suspended, the dispersed dredged soil and the water flows can be primarily filtered through the screen plate 12, then the dredged soil and the water flows can be sucked into the interior of the dredging boat 1 through the water suction pipe 14, the screen plate 12 can be supported by the support plate 15 when the screen plate 12 is filtered, the dredged soil can be firstly dispersed when the dredged soil above the pipeline is required to be cleaned, the dredged soil can be suspended in water, the dredged soil can be adsorbed and collected through the water filtering balls 13, disturbance and interference to the condition of the pipeline when the dredged soil above the pipeline is cleaned is reduced, and the safety of the natural gas pipeline is further guaranteed.

As shown in fig. 2 to 3, the bottom of the sieve plate 12 is provided with a scraper 2; the scraping plate 2 is rotationally connected with the sieve plate 12; an extension plate 21 is arranged at the bottom of the scraping plate 2; the extension plate 21 is in sliding connection with the scraping plate 2; the middle part of the dredging boat 1 is rotatably connected with a supporting rod 22; the end part of the supporting rod 22 is provided with a support 23; the support 23 is fixedly connected with the support rod 22; the support 23 is in sliding connection with the scraping plate 2; during operation, when dredging the pipeline, when the silt above the pipeline is deeper, can make scraper blade 2 rotate around sieve 12, then use branch 22 to support scraper blade 2, when branch 22 supports scraper blade 2, support 23 can directly contact with scraper blade 2, extension board 21 can slide in scraper blade 2 inside, and then can scrape the silt of pipeline top in a flexible way, this step can be when there is more silt above the pipeline, can make scraper blade 2 and extension board 21 scrape the silt when dredging ship 1 forward motion, and then can use flushing pipe 11 to wash the silt high pressure when can improve the degree that the silt was broken up, and then can improve the cleaning effect to the silt.

As shown in fig. 4, a filter plate 3 is arranged inside the dredging ship 1; the filter plate 3 is fixedly connected with the dredging ship 1; the surface of the filter plate 3 is connected with a balancing weight 31 in a sliding manner; the balancing weights 31 are arranged on the surface of the filter plate 3 in a plurality of groups; the middle parts of the plurality of groups of balancing weights 31 are fixedly connected with scrapers 32; a pull rope 33 is fixedly connected to the middle part of the balancing weight 31; the stay cord 33 is in sliding connection with the dredging boat 1; activated carbon 34 is filled in the dredging ship 1; during operation, after the dredged soil is sucked into the dredging boat 1 through the water suction pipe 14, the sucked dredged soil can be filtered by the activated carbon 34 after passing through the filter plate 3, so that the sludge and the water can be separated, when more sludge impurities exist on the surface of the filter plate 3, the constraint on the pull rope 33 can be released, and then the scraper 32 can scrape the surface of the filter plate 3 under the gravity action of the balancing weight 31, the activated carbon 34 can be used for carrying out solid-liquid separation on the dredged soil and the water, so that the sucked dredged soil can be collected in the dredging boat 1, and when the water permeable effect of the filter plate 3 is influenced by accumulating more sludge on the surface of the filter plate 3, the scraper 32 can be used for scraping the surface of the filter plate 3, so that the cleaning effect on the sludge can be improved.

As shown in fig. 4, a limiting clamp 4 is arranged in the middle of the dredging ship 1; the limiting clamp 4 is fixedly connected with the dredging boat 1; the middle part of the limiting clamp 4 is provided with a filter cloth 41; the filter cloth 41 is fixedly connected with the limiting clamp 4; during operation, after dredging soil is adsorbed into the dredging ship 1, the dredging soil can be filtered once by using the filter cloth 41, when the dredging soil is filtered by using the filter cloth 41, the filter cloth 41 can be fixed by using the limiting clamp 4, and when the dredging soil is filtered by using the filter plate 3 and the activated carbon 34, larger impurities can be filtered by using the filter cloth 41, so that the condition that the filtering effect is influenced due to the fact that the larger impurities are on the surface of the filter plate 3 is reduced.

As shown in fig. 2, a shelf 5 is fixedly connected to the end part of the dredging ship 1; one end of the shelf 5 is fixedly connected with the sieve plate 12; a plurality of groups of flushing pipes 11 are positioned below the shelf 5; during operation, when the dredged soil is adsorbed, the dredged soil can stay in the support plate 15 for a certain time through the filtering action of the sieve plate 12, at the moment, the shelf 5 can isolate the dredged soil from the flushing pipe 11, after the dredged soil is cleaned, the condition that the dredged soil is difficult to clean due to the fact that the dredged soil is on the surface of the flushing pipe 11 is reduced, and then the cleaning effect of the device after use can be improved.

As shown in fig. 1, the end of the support plate 15 is rotatably connected with a splitter plate 6; the end part of the branch plate 6 is provided with a plurality of groups of branch plates 15; when the dredging boat 1 moves forwards, the splitter plate 6 can separate impurities on the surface, and the step can reduce the blocking force of the dredging boat 1 when the dredging boat 1 moves forwards, so that the dredging effect on dredged soil can be improved.

As shown in fig. 1 to 2, a loop bar is sleeved in the middle of the pull rope 33.

As shown in fig. 2, the shelf 5 is provided obliquely.

Further, as shown in fig. 5, a limit bolt 7 is fixedly connected to the middle part of the dredging ship 1; the limit bolt 7 is in sliding connection with the pull rope 33; in operation, when the scraper 32 is limited by the pull rope 33, the pull rope 33 can be fixed by the limit bolt 7 when the surface of the filter plate 3 is not required to be scraped, and the limit bolt 7 can be used for fixing the position of the pull rope 33 when the scraper 32 is not required to be scraped.

Working principle: when the dredging ship is required to dredge the upper part of a pipeline, the dredging ship 1 can be placed above the pipeline to be dredged, then the power device in the dredging ship 1 is used for spraying water to the front part of the dredging ship 1, so that water flow is used for flushing the sludge above the pipeline at high pressure, after the dredged soil above the pipeline is dispersed and suspended, the dispersed dredged soil and the water flow can be primarily filtered through the screen plate 12, then the dredged soil and the water flow can be sucked into the interior of the dredging ship 1 through the water suction pipe 14, the support plate 15 can support the screen plate 12 when the screen plate 12 is filtered, the dredged soil can be firstly dispersed when the dredged soil above the pipeline is required to be cleaned, the dredged soil can be further suspended in water, the dredged soil can be adsorbed and collected through the water filtering balls 13, and the cleaning of the dredged soil above the pipeline can be reduced, when the pipeline is dredging, when the sludge above the pipeline is deeper, the scraper plate 2 can rotate around the sieve plate 12, then the supporting rod 22 is used for supporting the scraper plate 2, when the supporting rod 22 supports the scraper plate 2, the supporting seat 23 can be directly contacted with the scraper plate 2, the extension plate 21 can slide inside the scraper plate 2, and further the sludge above the pipeline can be flexibly scraped, when more sludge above the pipeline exists, the scraper plate 2 and the extension plate 21 can scrape the sludge when the dredging boat 1 moves forwards, and further when the flushing pipe 11 is used for flushing the sludge under high pressure, the degree of flushing of the sludge can be improved, the cleaning effect of the sludge can be improved, after dredging soil is sucked into the dredging boat 1 through the water suction pipe 14, the sucked dredged soil can be filtered by the activated carbon 34 after passing through the filter plate 3, and further, the sludge and the water can be separated, when more sludge impurities exist on the surface of the filter plate 3, the constraint of the stay rope 33 can be loosened, and further, the surface of the filter plate 3 can be scraped by the scraper 32 under the gravity action of the balancing weight 31, the activated carbon 34 can be used for carrying out solid-liquid separation on the dredged soil and the water, and further, the sucked dredged soil can be collected in the dredging ship 1, when more sludge is accumulated on the surface of the filter plate 3 to influence the water permeability effect of the filter plate 3, the scraper 32 can be used for scraping the surface of the filter plate 3, further, the sludge cleaning effect can be improved, when the dredged soil is sucked into the dredging ship 1, the dredged soil can be filtered once by the filter cloth 41, and when the dredged soil is filtered by the filter cloth 41, the filter cloth 41 can be fixed by using the limiting clamp 4, when the filter plate 3 and the activated carbon 34 are used for filtering the dredged soil, the filter cloth 41 can be used for filtering larger impurities firstly, the condition that the filtering effect is affected by the larger impurities on the surface of the filter plate 3 is reduced, when the dredged soil is adsorbed, the dredged soil can stay in one end of the inside of the support plate 15 through the filtering effect of the filter plate 12, at the moment, the shelf 5 can isolate the space between the dredged soil and the flushing pipe 11, the condition that the dredged soil is difficult to clean caused by the surface of the flushing pipe 11 can be reduced after the dredged soil is cleaned, the cleaning effect of the device after the dredged soil is improved, when the dredger 1 moves forwards, the impurities on the surface can be separated by the splitter plate 6, when the dredger 1 moves forwards, the blocking force caused by the dredger 1 when the dredger moves forwards can be reduced, so as to improve the cleaning effect on the dredged soil.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. A dredging device for pipeline construction comprises a dredging ship (1); a support plate (15) is fixedly connected to the end part of the dredging ship (1); the support plate (15) is provided with a plurality of groups at the end part of the dredging ship (1), and is characterized in that: the end part of the dredging ship (1) is fixedly connected with a flushing pipe (11); the flushing pipes (11) are arranged at the end part of the dredging ship (1) in a plurality of groups; the end parts of the plurality of groups of support plates (15) are provided with screen plates (12); the screen plate (12) is fixedly connected with the support plate (15); the end part of the flushing pipe (11) is positioned below the sieve plate (12); the middle part of the dredging ship (1) is fixedly connected with a water suction pipe (14); the suction pipe (14) is fixedly connected with the dredging ship (1); a water filtering ball (13) is arranged at the end part of the water suction pipe (14); the water filtering ball (13) is fixedly connected with the water suction pipe (14).

2. Dredging apparatus for pipeline construction according to claim 1, characterized in that: the bottom of the sieve plate (12) is provided with a scraping plate (2); the scraping plate (2) is rotationally connected with the sieve plate (12); an extension plate (21) is arranged at the bottom of the scraping plate (2); the extension plate (21) is in sliding connection with the scraping plate (2); the middle part of the dredging ship (1) is rotatably connected with a supporting rod (22); the end part of the supporting rod (22) is provided with a support (23); the support (23) is fixedly connected with the supporting rod (22); the support (23) is in sliding connection with the scraping plate (2).

3. Dredging apparatus for pipeline construction according to claim 2, characterized in that: a filter plate (3) is arranged in the dredging ship (1); the filter plate (3) is fixedly connected with the dredging ship (1); the surface of the filter plate (3) is connected with a balancing weight (31) in a sliding manner; the balancing weights (31) are arranged on the surface of the filter plate (3) in a plurality of groups; the middle parts of the plurality of groups of balancing weights (31) are fixedly connected with scrapers (32); a pull rope (33) is fixedly connected to the middle part of the balancing weight (31); the stay cord (33) is in sliding connection with the dredging ship (1); activated carbon (34) is filled in the dredging ship (1).

4. A pipeline construction dredging apparatus according to claim 3, wherein: a limiting clamp (4) is arranged in the middle of the dredging ship (1); the limiting clamp (4) is fixedly connected with the dredging ship (1); a filter cloth (41) is arranged in the middle of the limiting clamp (4); the filter cloth (41) is fixedly connected with the limiting clamp (4).

5. Dredging apparatus for pipeline construction according to claim 4, characterized in that: a shelf (5) is fixedly connected to the end part of the dredging ship (1); one end of the shelf (5) is fixedly connected with the sieve plate (12); the flushing pipes (11) are arranged at the lower part of the shelf (5).

6. Dredging apparatus for pipeline construction according to claim 5, characterized in that: the end part of the support plate (15) is rotatably connected with a splitter plate (6); the end part of the branch plate (15) of the branch plate (6) is provided with a plurality of groups.

7. Dredging apparatus for pipeline construction according to claim 6, characterized in that: a loop bar is sleeved at the middle part of the pull rope (33).

8. A pipeline construction dredging apparatus according to claim 7, wherein: the shelf (5) is obliquely arranged.