Submarine natural gas pipeline dredging machine

Abstract

The utility model provides a submarine natural gas pipeline dredging machine which comprises a walking mechanism, a dredging mechanism and a dredging mechanism. The main dredging mechanism is mounted at the top of the base assembly; the auxiliary dredging mechanism is installed at the bottom of the base assembly, and the auxiliary dredging mechanism and the main dredging mechanism are matched and jointly used for dredging deposits; the scouring mechanism is connected with the main dredging mechanism, and the scouring mechanism is used for being matched with the main dredging mechanism to scour the deposits when the deposits are dredged; the sludge suction mechanism is connected with the main dredging mechanism and the auxiliary dredging mechanism and used for sucking and discharging deposits dredged by the main dredging mechanism and the auxiliary dredging mechanism; the raking mechanism is mounted at the bottom of the base assembly, and the raking mechanism is used for raking the ground; the control mechanism is mounted in the base assembly; the dredging device can efficiently dredge deposits.

Description

Technical Field

[0001] The utility model relates to the technical field of dredging equipment, in particular to a submarine natural gas pipeline dredging machine. Background Art

[0002] As the main artery of energy transportation, natural gas pipelines play a vital role in urban economic development. The conventional practice for laying submarine natural gas pipelines is to bury the gas pipelines in excavated trenches, and cover the surrounding and upper parts of the pipelines with gravel and block covering layers of different grades to protect the pipelines.

[0003] In line with production safety needs, natural gas pipelines will set up corresponding pipeline protection areas, such as setting up a 50m range on both sides of the center line of the natural gas pipeline as a pipeline protection area (pipeline key protection area). After the natural gas pipeline is buried for many years, natural silt will form in the protection area of ​​the natural gas pipeline and on the natural gas pipeline. Dredging machines are mostly used to dredge natural silt. At present, the existing dredging machines do not dredge the silt thoroughly, and repeated dredging operations are required. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a submarine natural gas pipeline dredging machine, which can dredge silt deposits efficiently.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A submarine natural gas pipeline dredging machine comprises a dredging machine body, the dredging machine body is used for dredging sediments of submarine natural gas pipelines, the dredging machine body comprises: a walking mechanism, the walking mechanism comprises a base assembly and a walking assembly, the walking assembly is installed on the base assembly; a main dredging mechanism, the main dredging mechanism is installed on the top of the base assembly; an auxiliary dredging mechanism, the auxiliary dredging mechanism is installed at the bottom of the base assembly and is located at the rear end of the base assembly, the auxiliary dredging mechanism cooperates with the main dredging mechanism to dredge sediments; a flushing mechanism, the flushing mechanism is connected to the main dredging mechanism, the flushing mechanism is used to cooperate with the main dredging mechanism to flush sediments when dredging sediments; a mud suction mechanism, the mud suction mechanism is divided into The main dredging mechanism and the auxiliary dredging mechanism are respectively connected to each other, and are used to absorb and discharge the silt dredged by the main dredging mechanism and the auxiliary dredging mechanism; a raking mechanism, which is installed at the bottom of the base assembly, the raking mechanism is located in the middle of the base assembly, and is used to rake the ground flat; a control mechanism, which is installed in the base assembly, and the main dredging mechanism, the auxiliary dredging mechanism, the flushing mechanism, the mud suction mechanism and the raking mechanism are respectively connected to the control mechanism, and the control mechanism is used to receive instructions and control the walking mechanism, the main dredging mechanism, the auxiliary dredging mechanism, the flushing mechanism, the mud suction mechanism and the raking mechanism according to the instructions to perform silt dredging work.

[0007] The base assembly includes: a shell, the interior of the shell is a hollow structure, and a first partition and a second partition are provided in the shell, the first partition and the second partition divide the interior of the shell into a first equipment cavity, a second equipment cavity and a third equipment cavity; a covering plate, the covering plate is installed on the top of the shell; a base, the base is installed on the covering plate; and a protective frame, the protective frame is installed on the covering plate.

[0008] The walking assembly includes: a track unit, which is installed on both sides of the shell; and a drive unit, which is installed in the first equipment cavity and is used to drive the track unit to walk.

[0009] The main dredging mechanism includes: a mechanical arm, which is installed on the base; a cover body, which is connected to the mechanical arm; a first drive motor, which is installed on the outer side wall of the cover body; a main dredging component, which is installed in the cover body and is transmission-connected to the first drive motor, wherein the main dredging component adopts an auger component or a main drum brush component.

[0010] The auxiliary dredging mechanism includes: a first lifting unit, which is installed at the bottom of the shell; a drum cover, which is connected to the first lifting unit and the lifting of the drum cover is controlled by the first lifting unit; a second drive motor, which is installed on the outer side wall of the drum cover; and an auxiliary drum brush assembly, which is installed in the drum cover and is transmission-connected to the second drive motor.

[0011] The flushing mechanism includes: a flushing pipe 1; a high-pressure water pump, wherein the output end of the high-pressure water pump is connected to one end of the flushing pipe 1; a flushing pipe 2, wherein one end of the flushing pipe 2 is connected to the other end of the flushing pipe 1, and the other end of the flushing pipe 2 passes through the cover body and is fixed on the cover body; a high-pressure nozzle assembly, wherein the high-pressure nozzle assembly is located in the cover body and is connected to the flushing pipe 2.

[0012] The mud suction mechanism includes: a mud suction pipe 1, one end of which is connected to the cover body; a mud suction pipe 2, one end of which is connected to the drum cover, and the other end of the mud suction pipe 1 passes through the shell and is connected to the mud suction pipe 2; and a mud suction pump, the input end of the mud suction pump is connected to the other end of the mud suction pipe 2.

[0013] The raking mechanism comprises: a second lifting unit, which is installed at the bottom of the shell; a base plate, which is connected to the second lifting unit; and rake teeth, which are installed on the base plate in an array.

[0014] The front and rear sides of the shell are provided with lighting lamps and cameras, and the lighting lamps and the cameras are connected to the control mechanism respectively.

[0015] The mud suction pump and the high-pressure water pump are arranged separately from the dredging machine body.

[0016] Beneficial effects of the utility model:

[0017] The utility model submarine natural gas pipeline dredging machine, when dredging the pipeline protection area, an auger assembly is installed in the cover body, and during the dredging process of the dredging machine body, the auger assembly and the high-pressure water pump are combined to stir the silt first, the dredging pump sucks the silt through the pipeline, and the auxiliary dredging mechanism cleans and sucks the silt that has not been sucked out again through the auxiliary roller brush; when dredging the silt on the upper layer of the natural gas pipeline, a main roller brush assembly is installed in the cover body, and the main roller brush assembly and the auxiliary roller brush assembly are combined to clean and suck the silt on the upper layer of the natural gas pipeline, the main roller brush assembly and the high-pressure water pump are combined to perform the first cleaning first, and the auxiliary roller brush assembly is used for the second cleaning. The utility model submarine natural gas pipeline dredging machine main dredging mechanism and auxiliary dredging mechanism are combined to dredge silt efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a submarine natural gas pipeline dredging machine according to an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of a submarine natural gas pipeline dredging machine according to an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the overall internal structure of the shell of a submarine natural gas pipeline dredging machine according to an embodiment of the utility model;

[0021] Figure 4 The diagram is a plan view of the structure of a submarine natural gas pipeline dredging machine according to an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1-shell; 2-first partition; 3-second partition; 4-first equipment cavity; 5-second equipment cavity; 6-third equipment cavity; 7-covering plate; 8-base; 9-protective frame; 10-track unit; 11-drive unit; 12-mechanical arm; 13-cover; 14-first drive motor; 15-main dredging assembly; 16-first lifting unit; 17-roller cover; 18-second drive motor; 19-auxiliary roller brush assembly; 20-flushing pipe one; 21-control mechanism; 22-high-pressure water pump; 23-flushing pipe two; 24-mud suction pipe one; 25-mud suction pipe two; 26-mud suction pump; 27-second lifting unit; 28-base plate; 29-rake teeth; 30-lighting lamp; 31-camera. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1 and Figure 2 As shown, a submarine natural gas pipeline dredging machine according to an embodiment of the utility model may include a dredging machine body, which is used for dredging silt from a submarine natural gas pipeline. The dredging machine body may include: a traveling mechanism, a main dredging mechanism, an auxiliary dredging mechanism, a flushing mechanism, a mud suction mechanism, a raking mechanism and a control mechanism 21, wherein the control mechanism 21 is used to receive instructions and control the traveling mechanism, the main dredging mechanism, the auxiliary dredging mechanism, the flushing mechanism, the mud suction mechanism and the raking mechanism according to the instructions to perform dredging of silt.

[0026] like Figure 2 As shown, the walking mechanism may include a base assembly and a walking assembly, and the walking assembly is installed on the base assembly.

[0027] like Figure 1 and Figure 3 As shown, specifically, the base assembly may include: a shell 1, a covering plate 7, a base 8 and a protective frame 9, wherein the interior of the shell 1 is a hollow structure, and a first partition plate 2 and a second partition plate 3 are provided in the shell 1, and the first partition plate 2 and the second partition plate 3 divide the interior of the shell 1 into a first equipment cavity 4, a second equipment cavity 5 and a third equipment cavity 6; the covering plate 7 is installed on the top of the shell 1; the base 8 is installed on the covering plate 7; and the protective frame 9 is installed on the covering plate 7.

[0028] like Figure 3 As shown, specifically, the walking assembly may include: a track unit 10 and a drive unit 11, wherein the track unit 10 is installed on both sides of the shell 1; the drive unit 11 is installed in the first equipment cavity 4, and the drive unit 11 is used to drive the track unit 10 to walk.

[0029] The main dredging mechanism is installed on the top of the base assembly. Specifically, the main dredging mechanism is installed on the foundation 8 .

[0030] Furthermore, if Figure 1As shown, the main dredging mechanism may include: a mechanical arm 12, a cover body 13, a first drive motor 14 and a main dredging component 15, wherein the mechanical arm 12 is installed on the base 8; the cover body 13 is connected to the mechanical arm 12; the first drive motor 14 is installed on the outer wall of the cover body 13; the main dredging component 15 is installed in the cover body 13, and the main dredging component 15 is transmission-connected to the first drive motor 14, wherein the main dredging component 15 adopts an auger component or a main drum brush component.

[0031] In this embodiment, the auger assembly includes a rotating shaft and a spiral blade, the spiral blade is mounted on the rotating shaft, one end of the rotating shaft is transmission-connected to the first drive motor 14 , and the other end of the rotating shaft is mounted with a fixed bearing, which is fixed to the inner wall of the cover body 13 .

[0032] like Figure 2 As shown, the auxiliary dredging mechanism is installed at the bottom of the base assembly and is located at the rear end of the base assembly, specifically, installed at the bottom of the housing 1. The auxiliary dredging mechanism cooperates with the main dredging mechanism to dredge silt.

[0033] Furthermore, if Figure 2 As shown, the auxiliary dredging mechanism may include: a first lifting unit 16, a roller cover 17, a second drive motor 18 and an auxiliary roller brush assembly 19, wherein the first lifting unit 16 is installed at the bottom of the shell 1; the roller cover 17 is connected to the first lifting unit 16, and the lifting and lowering of the roller cover 17 is controlled by the first lifting unit 16; the second drive motor 18 is installed on the outer side wall of the roller cover 17; the auxiliary roller brush assembly 19 is installed in the roller cover 17, and the auxiliary roller brush assembly 19 is connected to the second drive motor 18 in transmission.

[0034] In this embodiment, the auxiliary roller brush assembly 19 and the main roller brush assembly have the same structure, wherein the auxiliary roller brush assembly 19 includes a roller shaft and a roller brush, the roller brush is installed on the roller shaft, one end of the roller shaft is electrically connected to the second drive motor 18, and the other end of the roller shaft is installed with a fixed bearing, and the fixed bearing is installed on the inner wall of the roller cover 17.

[0035] The flushing mechanism is connected to the main dredging mechanism, and is used to cooperate with the main dredging mechanism to flush the silt when dredging the silt.

[0036] Specifically, Figure 2 and Figure 4As shown, the flushing mechanism may include: a flushing pipe 1 20, a high-pressure water pump 22, a flushing pipe 23 and a high-pressure nozzle assembly, wherein the output end of the high-pressure water pump 22 is connected to one end of the flushing pipe 1 20; one end of the flushing pipe 23 is connected to the other end of the flushing pipe 1 20, and the other end of the flushing pipe 23 passes through the cover 13 and is fixed on the cover 13; the high-pressure nozzle assembly is located in the cover 13, and the high-pressure nozzle assembly is connected to the flushing pipe 23, and the high-pressure nozzle assembly is not shown in the figure. The pressure water provided by the high-pressure flushing pump is ejected through the pipeline to the high-pressure nozzle assembly, and the high-pressure nozzle assembly is combined with the main dredging assembly 15, which is very effective for digging silt and loose sand.

[0037] The sludge suction mechanism is connected to the main dredging mechanism and the auxiliary dredging mechanism respectively, and is used for absorbing and discharging the silt dredged by the main dredging mechanism and the auxiliary dredging mechanism.

[0038] Specifically, Figure 2 and Figure 4 As shown, the mud suction mechanism may include: a mud suction pipe 1 24, a mud suction pipe 25 and a mud suction pump 26, wherein one end of the mud suction pipe 1 24 is connected to the cover body 13; one end of the mud suction pipe 25 is connected to the roller cover 17, and the other end of the mud suction pipe 1 24 passes through the shell 1 and is connected to the mud suction pipe 2 25; the input end of the mud suction pump 26 is connected to the other end of the mud suction pipe 2 25. The suspended sediments cleaned by the auxiliary roller brush assembly 19 and the main dredging assembly 15 are sucked into the mud tank on the dredging ship through the mud suction pump 26.

[0039] In one embodiment of the present invention, the dredge suction pump 26 and the high-pressure water pump 22 are disposed separately from the dredging machine body. Specifically, the dredge suction pump 26 and the high-pressure water pump 22 are located on the dredging vessel.

[0040] like Figure 3 As shown, the raking mechanism is installed at the bottom of the base assembly, and the raking mechanism is located in the middle of the base assembly. The raking mechanism is used to rake the ground flat.

[0041] Furthermore, if Figure 3 As shown, the raking mechanism may include: a second lifting unit 27, a base plate 28 and rake teeth 29, wherein the second lifting unit 27 is installed at the bottom of the shell 1; the base plate 28 is connected to the second lifting unit 27; the rake teeth 29 are installed in an array on the base plate 28, and the ground is raked flat by the rake teeth 29.

[0042] In a specific embodiment of the present invention, the first lifting unit 16 and the second lifting unit 27 use lifting cylinders to control the heights of the rake teeth 29 and the roller brush.

[0043] In one embodiment of the utility model, a lighting lamp 30 and a camera 31 are provided on the front and rear sides of the housing 1, and the lighting lamp 30 and the camera 31 are respectively connected to the control mechanism 21. Through the camera 31, the remote control terminal on the dredging vessel can observe the seabed situation in real time, and the lighting lamp 30 provides light to facilitate dredging operations.

[0044] According to the submarine natural gas pipeline dredging machine of the embodiment of the utility model, when dredging the pipeline protection area, an auger assembly is installed in the cover body 13, and during the dredging process of the dredging machine body, the auger assembly and the high-pressure water pump 22 are combined to stir the silt first, and the sludge suction pump 26 sucks the silt through the pipeline, and the auxiliary dredging mechanism uses the auxiliary roller brush to clean up the silt that has not been sucked out again; when dredging the silt on the upper layer of the natural gas pipeline, a main roller brush assembly is installed in the cover body 13, and the main roller brush assembly and the auxiliary roller brush assembly 19 are combined to clean and suck the silt on the upper layer of the natural gas pipeline, and the main roller brush assembly and the high-pressure water pump 22 are combined to perform the first cleaning first, and the auxiliary roller brush assembly 19 performs the second cleaning. The main dredging mechanism and the auxiliary dredging mechanism of the submarine natural gas pipeline dredging machine of the utility model are combined to efficiently dredge the silt.

[0045] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0046] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps described in these embodiments do not limit the scope of the utility model. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once a certain item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0047] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0050] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A submarine natural gas pipeline dredging machine, comprising a dredging machine body, characterized in that: The dredging machine body is used for dredging silt from a submarine natural gas pipeline, and the dredging machine body comprises: A walking mechanism, the walking mechanism comprising a base assembly and a walking assembly, the walking assembly being mounted on the base assembly; a main dredging mechanism, the main dredging mechanism being mounted on top of the base assembly; A secondary dredging mechanism, the secondary dredging mechanism is installed at the bottom of the base assembly and is located at the rear end of the base assembly, and the secondary dredging mechanism cooperates with the main dredging mechanism to dredge silt; A flushing mechanism, the flushing mechanism is connected to the main dredging mechanism, and the flushing mechanism is used to cooperate with the main dredging mechanism to flush the silt when dredging the silt; A mud suction mechanism, the mud suction mechanism is connected to the main dredging mechanism and the auxiliary dredging mechanism respectively, and is used to absorb and discharge the silt dredged by the main dredging mechanism and the auxiliary dredging mechanism; A raking mechanism, the raking mechanism is installed at the bottom of the base assembly, the raking mechanism is located in the middle of the base assembly, and the raking mechanism is used to rake the ground flat; A control mechanism is installed in the base assembly, and the main dredging mechanism, the auxiliary dredging mechanism, the flushing mechanism, the mud suction mechanism and the raking mechanism are respectively connected to the control mechanism, and the control mechanism is used to receive instructions and control the walking mechanism, the main dredging mechanism, the auxiliary dredging mechanism, the flushing mechanism, the mud suction mechanism and the raking mechanism to perform silt dredging work according to the instructions.

2. The submarine natural gas pipeline dredging machine according to claim 1, characterized in that: The base assembly comprises: A shell, wherein the interior of the shell is a hollow structure, and a first partition plate and a second partition plate are arranged in the shell, and the first partition plate and the second partition plate divide the interior of the shell into a first equipment cavity, a second equipment cavity and a third equipment cavity; A cover plate, the cover plate being mounted on the top of the shell; A base, the base being mounted on the cover plate; A protection frame is installed on the cover plate.

3. The submarine natural gas pipeline dredging machine according to claim 2, characterized in that: The walking assembly comprises: A crawler unit, wherein the crawler unit is installed on both sides of the shell; A driving unit is installed in the first equipment cavity, and is used to drive the crawler unit to walk.

4. The submarine natural gas pipeline dredging machine according to claim 3, characterized in that: The main dredging mechanism comprises: A mechanical arm, the mechanical arm being mounted on the base; A cover body, wherein the cover body is connected to the mechanical arm; a first drive motor, the first drive motor being mounted on an outer side wall of the cover body; A main dredging component is installed in the cover body, and the main dredging component is transmission-connected to the first driving motor, wherein the main dredging component adopts an auger component or a main drum brush component.

5. The submarine natural gas pipeline dredging machine according to claim 4, characterized in that: The auxiliary dredging mechanism comprises: a first lifting unit, the first lifting unit being installed at the bottom of the housing; a drum cover, wherein the drum cover is connected to the first lifting unit, and the lifting of the drum cover is controlled by the first lifting unit; a second drive motor, the second drive motor being mounted on an outer side wall of the drum cover; A secondary roller brush assembly is installed in the roller cover and is transmission-connected to the second drive motor.

6. The submarine natural gas pipeline dredging machine according to claim 5, characterized in that: The flushing mechanism comprises: Flush pipe 1; A high-pressure water pump, wherein the output end of the high-pressure water pump is connected to one end of the flushing pipe; A second flushing pipe, one end of which is connected to the other end of the first flushing pipe, and the other end of which passes through the cover and is fixed on the cover; A high-pressure nozzle assembly is located in the cover body and is connected to the second flushing pipe.

7. The submarine natural gas pipeline dredging machine according to claim 6, characterized in that: The mud suction mechanism comprises: A mud suction pipe 1, one end of which is connected to the cover body; A second mud suction pipe, one end of which is connected to the drum cover, and the other end of which passes through the shell and is connected to the second mud suction pipe; A mud suction pump, wherein the input end of the mud suction pump is connected to the other end of the mud suction pipeline 2.

8. The submarine natural gas pipeline dredging machine according to claim 7, characterized in that: The raking mechanism comprises: a second lifting unit, the second lifting unit being installed at the bottom of the housing; a base plate connected to the second lifting unit; Rake teeth are installed on the substrate in an array.

9. The submarine natural gas pipeline dredging machine according to claim 8, characterized in that: The front and rear sides of the shell are provided with lighting lamps and cameras, and the lighting lamps and cameras are respectively connected to the control mechanism.

10. The submarine natural gas pipeline dredging machine according to claim 9, characterized in that: The mud suction pump and the high-pressure water pump are arranged separately from the dredging machine body.

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