Natural gas pipeline cleaner

Abstract

The utility model discloses a natural gas pipeline cleaner which comprises a front end shaft and a rear end shaft, the front end shaft and the rear end shaft are connected through a connecting shaft, an anti-collision head is detachably arranged at the end, away from the connecting shaft, of the front end shaft, and a front bowl-shaped leather plug and a rear bowl-shaped leather plug are correspondingly arranged at the tail end of the front end shaft and the tail end of the rear end shaft respectively. And a sealing structure is arranged on the front end shaft. The device is hung into a pipeline through the hanging ring, the front bowl-shaped leather plug and the rear bowl-shaped leather plug are attached to the inner wall of the pipeline in a sealed mode, when the tail end is pressurized, the front bowl-shaped leather plug and the rear bowl-shaped leather plug expand towards the periphery, the good sealing effect is achieved, air leakage is avoided, and forward movement of the device is not affected; the brush disc can be replaced as a whole, hard attachments attached to the inner wall of a pipeline can be removed, then the spiral brush head is used for removing thin attachments, cleaning is more thorough, the brush disc can be replaced as a whole, the spiral brush head can be replaced independently, and the utilization rate of the brush disc is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline cleaning, in particular to a natural gas pipeline cleaning device. Background Art

[0002] Pipe cleaners are special tools used to clean pipelines, driven by gas, liquid or pipeline transport medium. They can carry electromagnetic transmitters and ground receiving instruments to form an electronic tracking system, and can also be equipped with other accessories to complete various complex pipeline operation tasks. When cleaning pipelines, some attachments on the inner wall of the pipeline are easier to clean, while some are harder and more difficult to clean. In addition, it is also difficult to maintain and replace the brush head. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and provides a natural gas pipeline cleaning device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A natural gas pipeline cleaning device comprises a front end shaft and a rear end shaft, which are connected via a connecting shaft, an end of the front end shaft away from the connecting shaft is detachably provided with an anti-collision head, a front bowl-shaped leather plug and a rear bowl-shaped leather plug are respectively provided at the tail ends of the front end shaft and the rear end shaft, a sealing structure is provided on the front end shaft, and a cleaning structure is provided on the rear end shaft.

[0006] Preferably, the cleaning structure includes a plurality of brush discs, and spiral brush heads are equidistantly arranged on the outer ring of the brush disc, and the spiral brush heads are connected to the brush disc by fastening bolts. Isolation rings a are arranged between adjacent brush discs, and the isolation rings a and the brush discs are both sleeved on the rear end shaft and clamped and fixed by the rear bowl-shaped leather plug and the connecting shaft.

[0007] Preferably, the sealing structure comprises a plurality of sealing rings, and an isolation ring b is provided between adjacent sealing rings. The isolation ring b and the sealing ring are both sleeved on the front end shaft and clamped and fixed by a front bowl-shaped leather plug and an anti-collision head.

[0008] Preferably, the tail end of the rear end shaft is connected to a mounting plate via a connecting bolt a, the rear bowl-shaped leather plug is located between the mounting plate and the rear end shaft, and a lifting ring is installed on the mounting plate.

[0009] Preferably, the connecting shaft is connected to the front end shaft and the rear end shaft respectively through a flange and connecting bolts b, and reinforcing ribs are provided on the connecting shaft.

[0010] Preferably, the anti-collision head is connected to the front end shaft via a connecting bolt c.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model utilizes a lifting ring to lift the device into the pipeline, and the front bowl-shaped leather plug and the rear bowl-shaped leather plug are sealed against the inner wall of the pipeline, and when pressure is applied to the tail end, the front bowl-shaped leather plug and the rear bowl-shaped leather plug expand to the surrounding areas, thereby achieving a better sealing effect and avoiding air leakage that affects its forward movement; the sealing ring not only seals but also can remove harder attachments attached to the inner wall of the pipeline, and then the spiral brush head cleans finer attachments, making the cleaning more thorough, and the brush disc can be replaced as a whole, or the spiral brush head can be replaced independently, thereby improving its utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more specifically and intuitively illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 The structure of the utility model is shown in FIG. Figure 1 ;

[0014] Figure 2 The structure of the utility model is shown in FIG. Figure 2 ;

[0015] Figure 3 The structure of the utility model is shown in FIG. Figure 3 ;

[0016] Figure 4 The structure of the utility model is shown in FIG. Figure 4 .

[0017] In the figure: front bowl-shaped leather plug 1, sealing ring 2, connecting shaft 3, reinforcing rib 4, anti-collision head 5, rear bowl-shaped leather plug 6, brush plate 7, spiral brush head 8, mounting plate 9, lifting ring 10, isolation ring b11, front end shaft 12, rear end shaft 13. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-4 A natural gas pipeline cleaning device includes a front end shaft 12 and a rear end shaft 13, the front end shaft 12 and the rear end shaft 13 are connected by a connecting shaft 3, an end of the front end shaft 12 away from the connecting shaft 3 is detachably provided with an anti-collision head 5, the tail ends of the front end shaft 12 and the rear end shaft 13 are respectively provided with a front bowl-shaped leather plug 1 and a rear bowl-shaped leather plug 6, a sealing structure is provided on the front end shaft 12, and a cleaning structure is provided on the rear end shaft 13.

[0020] The device is hoisted into the pipeline using the lifting ring 10, and the front bowl-shaped leather plug 1 and the rear bowl-shaped leather plug 6 are sealed against the inner wall of the pipeline. When pressure is applied to the tail end, the front bowl-shaped leather plug 1 and the rear bowl-shaped leather plug 6 expand in all directions to achieve a better sealing effect, thereby avoiding air leakage and affecting its forward movement. The sealing ring 2 not only plays a sealing role, but also can remove the harder attachments attached to the inner wall of the pipeline. Subsequently, the spiral brush head 8 cleans the finer attachments, and the cleaning is more thorough. In addition, the brush plate 7 can be replaced as a whole, and the spiral brush head 8 can also be replaced independently to improve its utilization rate.

[0021] In this embodiment, the cleaning structure includes a plurality of brush discs 7, and spiral brush heads 8 are equidistantly arranged on the outer ring of the brush disc 7. The spiral brush heads 8 are connected to the brush disc 7 by fastening bolts. An isolation ring a is arranged between adjacent brush discs 7. The isolation ring a and the brush disc 7 are both sleeved on the rear end shaft 13 and clamped and fixed by the rear bowl-shaped leather plug 6 and the connecting shaft 3.

[0022] In this embodiment, the sealing structure includes a plurality of sealing rings 2, and an isolation ring b11 is provided between adjacent sealing rings 2. The isolation ring 11b and the sealing ring 2 are both sleeved on the front end shaft 12 and clamped and fixed by the front bowl-shaped leather plug 1 and the anti-collision head 5.

[0023] In this embodiment, the tail end of the rear end shaft 13 is connected to the mounting plate 9 via a connecting bolt a, the rear bowl-shaped leather plug 6 is located between the mounting plate 9 and the rear end shaft 13, and a lifting ring 10 is installed on the mounting plate 9.

[0024] In this embodiment, the connecting shaft 3 is connected to the front end shaft 12 and the rear end shaft 13 respectively through flanges and connecting bolts b, and a reinforcing rib 4 is provided on the connecting shaft 3 .

[0025] In this embodiment, the anti-collision head 5 is connected to the front end shaft 12 via a connecting bolt c.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A natural gas pipeline pig, comprising a front shaft (12) and a rear shaft (13), wherein the front shaft (12) and the rear shaft (13) are connected via a connecting shaft (3), characterized in that: An anti-collision head (5) is detachably provided at one end of the front shaft (12) away from the connecting shaft (3); a front bowl-shaped leather plug (1) and a rear bowl-shaped leather plug (6) are respectively provided at the tail ends of the front shaft (12) and the rear shaft (13); a sealing structure is provided on the front shaft (12) and a cleaning structure is provided on the rear shaft (13).

2. A natural gas pipeline pig according to claim 1, characterized in that: The cleaning structure comprises a plurality of brush discs (7), the outer rings of the brush discs (7) are equidistantly provided with spiral brush heads (8), the spiral brush heads (8) are connected to the brush discs (7) via fastening bolts, and isolation rings a are provided between adjacent brush discs (7). The isolation rings a and the brush discs (7) are both sleeved on the rear end shaft (13) and clamped and fixed by a rear bowl-shaped leather plug (6) and a connecting shaft (3).

3. A natural gas pipeline pig according to claim 2, characterized in that: The sealing structure comprises a plurality of sealing rings (2), and an isolation ring b (11) is arranged between adjacent sealing rings (2). The isolation ring b (11) and the sealing ring (2) are both sleeved on the front end shaft (12) and clamped and fixed by a front bowl-shaped leather plug (1) and an anti-collision head (5).

4. A natural gas pipeline pig according to claim 3, characterized in that: The tail end of the rear end shaft (13) is connected to a mounting plate (9) via a connecting bolt a, a rear bowl-shaped leather plug (6) is located between the mounting plate (9) and the rear end shaft (13), and a lifting ring (10) is installed on the mounting plate (9).

5. A natural gas pipeline pig according to claim 4, characterized in that: The connecting shaft (3) is connected to the front shaft (12) and the rear shaft (13) respectively through flanges and connecting bolts b, and a reinforcing rib (4) is provided on the connecting shaft (3).

6. A natural gas pipeline pig according to claim 5, characterized in that: The anti-collision head (5) is connected to the front end shaft (12) via a connecting bolt c.

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