Special-shaped hoop applied to pipeline leakage

Abstract

The utility model discloses a special-shaped hoop applied to pipeline leakage, which relates to the field of sealing fasteners and comprises a fastening outer ring, a sealing inner ring and an oil-resistant elastic element, the sealing inner ring is sleeved on the peripheral side of a pipeline, and the oil-resistant elastic element is attached to the inner ring surface of the sealing inner ring and tightly attached to the peripheral side of the outer wall of the pipeline. The fastening outer ring is arranged on the peripheral side of the sealing inner ring in a sleeving mode. The quick plugging device can quickly adapt to and be tightly attached to complex shapes of various non-standard components, and quick and effective plugging treatment can be achieved without fire operation.

Description

Technical Field

[0001] The utility model relates to the field of sealing fasteners, in particular to a special-shaped clamp used for pipeline leakage. Background Art

[0002] In recent years, with the rapid growth of the market economy, all walks of life have achieved remarkable development and progress, especially in the field of energy construction. As an important infrastructure construction method, pipeline construction has been comprehensively developed. With its high efficiency and economic characteristics, pipeline technology plays an irreplaceable role in many fields such as energy transportation, water resources management, petrochemical industry, and urban water supply and drainage, and has greatly promoted the prosperity and development of social economy. However, with the increasing scale of pipeline construction, the safety issues of pipeline transportation have become increasingly prominent, especially the frequent occurrence of pipeline leakage accidents, which has become a bottleneck restricting the healthy development of the pipeline industry.

[0003] Pipeline leakage accidents not only cause a large amount of oil or harmful substances to leak out, resulting in huge economic losses, but also cause serious pollution and damage to the natural environment. Especially when the leakage accident occurs in non-standard components or locations such as flanges and blind plates, due to the particularity and complexity of these parts, traditional plugging methods are often difficult to solve the problem quickly and effectively, resulting in the continuous expansion of the leakage range and even causing secondary disasters such as environmental pollution, fire and explosion.

[0004] At present, although there are various emergency treatment methods for pipeline leakage, there are still many challenges in dealing with the leakage of non-standard components such as flanges and blind plates. On the one hand, the geometric shapes of these non-standard components are complex, and traditional plugging tools are difficult to apply; on the other hand, due to the special location of the leakage, hot work is often required, which increases the difficulty and risk of operation. In addition, due to the limitations of geographical environment, emergency methods, rescue equipment and other factors, the rescue efficiency is often low, and it is difficult to quickly control the development of the leakage situation.

[0005] Therefore, how to develop a special-shaped clamp for pipeline leakage that can quickly adapt to and tightly fit the complex shapes of various non-standard components and achieve fast and effective leak plugging without hot work has become a technical problem that needs to be urgently solved by people in this field. Utility Model Content

[0006] The utility model aims to provide a special-shaped clamp for pipeline leakage, which can quickly adapt to and closely fit the complex shapes of various non-standard components, and can achieve fast and effective leak plugging without hot work.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] The utility model discloses a special-shaped clamp used for pipeline leakage, comprising a fastening outer ring, a sealing inner ring and an oil-resistant elastic element. The sealing inner ring is sleeved on the outer peripheral side of the pipeline, the oil-resistant elastic element is attached to the inner ring surface of the sealing inner ring and fits tightly with the outer wall peripheral side of the pipeline, and the fastening outer ring is sleeved on the outer peripheral side of the sealing inner ring.

[0009] Preferably, the fastening outer ring is a circular ring with an opening, and the first fastening plate and the second fastening plate are respectively provided at both ends of the open circular ring, and there is a gap between the mating surfaces of the first fastening plate and the second fastening plate, and the first fastening plate and the second fastening plate are connected by bolt locking.

[0010] Preferably, the sealing inner ring is divided into two symmetrical sealing semi-rings, the oil-resistant elastic element is fitly connected to the inside of the sealing semi-ring, the shape of the oil-resistant elastic element matches the shape of the inner cavity of the sealing semi-ring, and the radius height of the oil-resistant elastic element is greater than the radius height of the inner cavity of the sealing semi-ring.

[0011] Preferably, a first semi-annular protrusion for wrapping the flange on the pipeline is provided at the middle position of the sealing half ring, the two sealing half rings are matched together to form the sealing inner ring, and are sleeved on the outer peripheral side of the pipeline, and the two fastening outer rings are respectively sleeved on the sealing inner ring and are located on the left and right sides of the first semi-annular protrusion.

[0012] Preferably, both left and right sides of the sealing half ring are provided with bending parts, and the bending parts are sealingly connected to the side wall of the pipeline by squeezing the oil-resistant elastic element.

[0013] Preferably, a second semi-annular protrusion for wrapping the flange on the pipeline is provided on one side of the sealing half ring, and the two sealing half rings are matched together to form the sealing inner ring, which is sleeved on the outer peripheral side of the pipeline, and the fastening outer ring is sleeved on the sealing inner ring and is located on the side away from the second semi-annular protrusion.

[0014] Preferably, a bending portion is provided at one end of the sealing semi-ring away from the second semi-annular protrusion, and the bending portion is sealingly connected to the side wall of the pipeline by squeezing the oil-resistant elastic element.

[0015] Preferably, it also includes a crank-type fastening tool, the shape of the working end of the crank-type fastening tool matches the opening shape of the bolt fastening end.

[0016] Compared with the prior art, the beneficial technical effects of the utility model are:

[0017] The utility model can quickly adapt to and tightly fit the complex shapes of various non-standard components, and can achieve fast and effective leak plugging without hot work. It not only simplifies the operating process and reduces operating risks, but also greatly improves the rescue efficiency, providing strong technical support for emergency treatment of pipeline leakage accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model will be further described below in conjunction with the accompanying drawings.

[0019] Figure 1 This is a sectional view of the overall structure of the first embodiment of a special-shaped clamp for pipeline leakage according to the utility model;

[0020] Figure 2 It is a cross-sectional view of the overall structure of the second embodiment of the utility model.

[0021] Explanation of the accompanying drawings: 1. Fastening outer ring; 2. Sealing inner ring; 21. Sealing half ring; 22. First semi-annular protrusion; 23. Bending portion; 24. Second semi-annular protrusion; 3. Oil-resistant elastic element; 4. Pipeline; 5. Crank-type fastening tool. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] Embodiment 1:

[0024] like Figure 1 As shown, a special-shaped clamp used for pipeline leakage includes a fastening outer ring 1, a sealing inner ring 2 and an oil-resistant elastic element 3. The sealing inner ring 2 is sleeved on the outer peripheral side of the pipeline 4, and the oil-resistant elastic element 3 is attached to the inner ring surface of the sealing inner ring 2 and fits tightly with the outer wall peripheral side of the pipeline 4. The fastening outer ring 1 is sleeved on the outer peripheral side of the sealing inner ring 2.

[0025] Specifically, the fastening outer ring 1 and the sealing inner ring 2 are both made of cast iron, and the oil-resistant elastic element 3 can be made of elastic materials such as nitrile rubber, fluororubber, polyurethane, acrylic rubber, polytetrafluoroethylene, etc. that are oil-resistant, wear-resistant, heat-resistant, and aging-resistant.

[0026] Specifically, the fastening outer ring 1 is a circular ring with an opening, and a first fastening plate and a second fastening plate are respectively provided at both ends of the open circular ring, and there is a gap between the mating surfaces of the first fastening plate and the second fastening plate, and the first fastening plate and the second fastening plate are fastened and connected by bolts.

[0027] Specifically, the sealing inner ring 2 is divided into two symmetrical sealing semi-rings 21, and the oil-resistant elastic element 3 is fitted and connected to the inside of the sealing semi-ring 21. The shape of the oil-resistant elastic element 3 matches the shape of the inner cavity of the sealing semi-ring 21, and the radius height of the oil-resistant elastic element 3 is greater than the radius height of the inner cavity of the sealing semi-ring 21.

[0028] Specifically, a first semi-annular protrusion 22 for wrapping the flange on the pipeline 4 is provided at the middle position of the sealing half ring 21. The two sealing half rings 21 are matched together to form the sealing inner ring 2, and are sleeved on the outer peripheral side of the pipeline 4. The two fastening outer rings 1 are respectively sleeved on the sealing inner ring 2 and are located on the left and right sides of the first semi-annular protrusion 22.

[0029] Specifically, the left and right sides of the sealing half ring 21 are both provided with bending parts 23 , and the bending parts 23 are sealingly connected to the side wall of the pipeline 4 by squeezing the oil-resistant elastic element 3 .

[0030] Specifically, it also includes a crank-type fastening tool 5, and the shape of the working end of the crank-type fastening tool 5 matches the opening shape of the bolt fastening end.

[0031] Embodiment 2:

[0032] like Figure 2 As shown, the difference between Example 2 and Example 1 is that a second semi-annular protrusion 24 for wrapping the flange on the pipeline 4 is provided on one side of the sealing half ring 21, and the two sealing half rings 21 are matched together to form the sealing inner ring 2, and are sleeved on the outer peripheral side of the pipeline 4, and the fastening outer ring 1 is sleeved on the sealing inner ring 2 and is located on the side away from the second semi-annular protrusion 24.

[0033] Specifically, a bending portion 23 is provided at one end of the sealing semi-ring 21 away from the second semi-annular protrusion 24 , and the bending portion 23 is sealingly connected to the side wall of the pipeline 4 by squeezing the oil-resistant elastic element 3 .

[0034] The utility model is mainly used for emergency repair operations when pipelines leak. It can quickly adapt to and tightly fit the complex shapes of various non-standard components. It can achieve fast and effective leak plugging without hot work, which simplifies the operating process, reduces operating risks, and greatly improves rescue efficiency.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A special-shaped clamp used for pipeline leakage, characterized by: It comprises a fastening outer ring (1), a sealing inner ring (2) and an oil-resistant elastic element (3); the sealing inner ring (2) is sleeved on the outer peripheral side of the pipeline (4); the oil-resistant elastic element (3) is attached to the inner ring surface of the sealing inner ring (2) and is tightly fitted with the outer wall of the pipeline (4); the fastening outer ring (1) is sleeved on the outer peripheral side of the sealing inner ring (2).

2. The special-shaped clamp for pipeline leakage according to claim 1, characterized in that: The fastening outer ring (1) is a circular ring with an opening, and a first fastening plate and a second fastening plate are respectively arranged at two ends of the open circular ring, and a gap is provided between the mating surfaces of the first fastening plate and the second fastening plate, and the first fastening plate and the second fastening plate are fastened and connected by bolts.

3. The special-shaped clamp used for pipeline leakage according to claim 2, characterized in that: The sealing inner ring (2) is divided into two symmetrical sealing half rings (21), and the oil-resistant elastic element (3) is fitted and connected to the inside of the sealing half ring (21). The shape of the oil-resistant elastic element (3) matches the shape of the inner cavity of the sealing half ring (21), and the radius height of the oil-resistant elastic element (3) is greater than the radius height of the inner cavity of the sealing half ring (21).

4. The special-shaped clamp for pipeline leakage according to claim 3, characterized in that: A first semi-annular protrusion (22) for wrapping around the flange on the pipeline (4) is provided at the middle position of the sealing semi-ring (21); the two sealing semi-rings (21) are matched together to form the sealing inner ring (2), which is sleeved on the outer peripheral side of the pipeline (4); the two fastening outer rings (1) are respectively sleeved on the sealing inner ring (2) and are located on the left and right sides of the first semi-annular protrusion (22).

5. The special-shaped clamp used for pipeline leakage according to claim 4, characterized in that: The left and right sides of the sealing half ring (21) are both provided with bending parts (23), and the bending parts (23) are sealingly connected to the side wall of the pipeline (4) by squeezing the oil-resistant elastic element (3).

6. The special-shaped clamp used for pipeline leakage according to claim 3, characterized in that: A second semi-annular protrusion (24) for wrapping around the flange on the pipeline (4) is provided on one side of the sealing semi-ring (21); the two sealing semi-rings (21) are matched together to form the sealing inner ring (2), which is sleeved on the outer circumference of the pipeline (4); the fastening outer ring (1) is sleeved on the sealing inner ring (2) and is located on a side away from the second semi-annular protrusion (24).

7. The special-shaped clamp for pipeline leakage according to claim 6, characterized in that: A bent portion (23) is provided at one end of the sealing semi-ring (21) away from the second semi-ring-shaped protrusion (24), and the bent portion (23) is sealedly connected to the side wall of the pipeline (4) by squeezing the oil-resistant elastic element (3).

8. The special-shaped clamp for pipeline leakage according to claim 2, characterized in that: It also comprises a crank-type tightening tool (5), the shape of the working end of the crank-type tightening tool (5) matches the opening shape of the bolt tightening end.

Images