Method for Sealing Pipe Orifice during Intermittent Period of Gas Pipeline Construction

Abstract

The present invention discloses a method for sealing the pipe orifice during the construction interval of a gas pipeline, which includes: installing a first annular baffle, a first buffer device, a second annular baffle, an inflation device and a second buffer device inside the gas pipeline to be sealed, with the first buffer device located between the first annular baffle and the second annular baffle, and the second buffer device installed inside the second inflation part of the inflation device, and the third inflation part located outside the gas pipeline; connecting a closed cover to the other end of the second buffer device and closing it at the orifice of the gas pipeline, with the third inflation part located inside the closed cover, the end of the closed cover covering outside the orifice of the gas pipeline, and the closed cover fixed outside the gas pipeline; an inflation port is provided on the side of the closed cover, and the inflation valve of the third inflation part is correspondingly installed at the inflation port; filling nitrogen into the inflation device, and after the inflation is completed, closing the inflation valve and the inflation cover. The method of the present invention is easy to operate, the construction is rapid, it can be reused, is environmentally friendly and energy-saving, and is suitable for popularization and use.

Description

Technical Field

[0001] The present invention belongs to the technical field of housing construction equipment, and relates to a method for sealing the pipe orifice during the intermittent period of gas pipeline construction. Background Art

[0002] During the installation and maintenance construction period of gas pipelines, in case of bad weather or due to construction period requirements, it is necessary to seal the gas pipe orifices. Otherwise, it is easy for dirt, water, etc. to enter, pollute the gas pipelines, increase the subsequent construction processes when continuing the construction of gas pipelines, and reduce the construction efficiency. At present, the welding sealing method is mostly used to seal the gas pipe orifices, and the operation is relatively complex and time-consuming. In case of bad weather, the operation and construction time may be even longer. Based on this, the present invention aims to provide a method for sealing the pipe orifices of gas pipelines that is easy to operate. Summary of the Invention

[0003] One object of the present invention is to solve at least the above problems and / or deficiencies, and provide at least the advantages described hereinafter.

[0004] Another object of the present invention is to provide a method for sealing the pipe orifices during the intermittent period of gas pipeline construction.

[0005] Therefore, the technical solution provided by the present invention is as follows:

[0006] A method for sealing the pipe orifices during the intermittent period of gas pipeline construction includes the following steps:

[0007] Provide a first annular baffle, and embed an annular gasket on the peripheral wall of the first annular baffle;

[0008] Provide a second annular baffle, and provide an annular groove on the peripheral wall of the second annular baffle;

[0009] Provide an inflation device, the inflation device includes an annular first inflation part arranged in the annular groove, a columnar second inflation part perpendicular to the first inflation part, and a third inflation part perpendicular to the second inflation part. The first inflation part, the second inflation part and the third inflation part are integrally formed and communicate with each other. An inflation valve is arranged on the third inflation part, and the third inflation part extends radially outward along the second inflation part;

[0010] Provide a first buffer device, fix the first end of the first buffer device to the outside of the first annular baffle, and fix the other end of the first buffer device to the inside of the second annular baffle;

[0011] Provide a second buffer device, and fix one end of the second buffer device to the outside of the second annular baffle;

[0012] Install the first annular baffle, the first buffer device, the second annular baffle, the inflation device and the second buffer device inside the gas pipeline to be blocked, and the annular gasket of the first annular baffle is closely attached to the inner wall of the gas pipeline. The first buffer device is located between the first annular baffle and the second annular baffle. The second buffer device is installed inside the second inflation part of the inflation device. The second inflation part extends along the length direction of the gas pipeline, and the third inflation part is located outside the gas pipeline.

[0013] Connect a closed cover to the other end of the second buffer device and seal it at the pipe orifice of the gas pipeline. The third inflation part is located inside the closed cover. The end of the closed cover covers outside the pipe orifice of the gas pipeline, and the closed cover is fixed outside the gas pipeline.

[0014] An inflation port is opened on the side of the closed cover, an inflation cover is arranged at the inflation port, and the inflation valve of the third inflation part is correspondingly installed at the inflation port.

[0015] Open the inflation cover. At the inflation port, fill the inflation device with gas through the inflation valve. After inflation is completed, close the inflation valve and the inflation cover.

[0016] Preferably, in the method for plugging the pipe orifice during the construction break of the gas pipeline, the diameter of the second annular baffle is smaller than the diameter of the first annular baffle.

[0017] Preferably, in the method for plugging the pipe orifice during the construction break of the gas pipeline, the first buffer device includes a first compression spring arranged along the length direction of the gas pipeline and a rubber sleeve wrapping the first compression spring.

[0018] Preferably, in the method for plugging the pipe orifice during the construction break of the gas pipeline, a cover body gasket is arranged between the closed cover and the outer wall of the gas pipeline.

[0019] Preferably, in the method for plugging the pipe orifice during the construction break of the gas pipeline, an extension pipe is arranged on the side of the closed cover, and the inflation cover is screwed to the end of the extension pipe.

[0020] Preferably, in the method for plugging the pipe orifice during the construction break of the gas pipeline, the second buffer device includes a second compression spring arranged along the length direction of the gas pipeline and several steel balls arranged inside the second compression spring.

[0021] The present invention has at least the following beneficial effects:

[0022] In the method of the present invention, by providing a closing cover, an inflatable part, a second annular baffle, and a first annular baffle in sequence to block the possible external dirt from entering, layer-by-layer protection is provided to prevent the dirt from flushing into the gas pipeline. Moreover, the inflatable part of the present invention can completely fill the inner wall of the gas pipeline, forming a seamless protection. And the inflating valve of the inflatable part inflates on the side of the closing cover. First, it avoids directly opening holes in the gas pipeline. Second, inflating on the side can also prevent dirt from directly entering the gas pipeline, providing multiple protections. At the same time, the closing cover and the second annular baffle of the present invention are provided with a second buffer device, and a first buffer device is provided between the second annular baffle and the first annular baffle, which can relieve the direct impact on the pipe orifice of the gas pipeline and avoid damaging the inner wall of the gas pipeline. Also, the present invention is easy to operate, has rapid construction, can be reused, is environmentally friendly and energy-saving, and is suitable for popularization and use.

[0023] Other advantages, objectives, and features of the present invention will be partially reflected by the following description and partially understood by those skilled in the art through the research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic structural diagram of the pipe orifice plugging during the construction interval of the gas pipeline in one technical solution of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0025] The following further describes the present invention in detail with reference to the drawings, so that those skilled in the art can implement it according to the description in the specification.

[0026] It should be understood that the terms such as "having", "comprising", and "including" used herein do not preclude the presence or addition of one or more other elements or their combinations.

[0027] It should be noted that in the description of the present invention, the orientation or positional relationship indicated by the terms "horizontal", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0028] As Figure 1 shown, the present invention provides a method for plugging the pipe orifice during the construction interval of the gas pipeline, including the following steps:

[0029] Provide a first annular baffle 1, and embed an annular gasket on the peripheral wall of the first annular baffle 1;

[0030] Provide a second annular baffle 2, and an annular groove is provided on the peripheral wall of the second annular baffle 2;

[0031] Provide an inflation device 6, the inflation device 6 includes an annular first inflation part arranged in the annular groove, a columnar second inflation part perpendicular to the first inflation part, and a third inflation part perpendicular to the second inflation part. The first inflation part, the second inflation part and the third inflation part are integrally formed and communicate with each other. An inflation valve is provided on the third inflation part, and the third inflation part extends radially outward along the second inflation part;

[0032] Provide a first buffer device 3, fix the first end of the first buffer device 3 to the outside of the first annular baffle 1, and fix the other end of the first buffer device to the inside of the second annular baffle 2;

[0033] Provide a second buffer device 4, and fix one end of the second buffer device 4 to the outside of the second annular baffle 2;

[0034] Install the first annular baffle 1, the first buffer device 3, the second annular baffle 2, the inflation device 6 and the second buffer device 4 in the gas pipeline to be blocked. And the annular gasket of the first annular baffle 1 is closely attached to the inner wall of the gas pipeline. The first buffer device 3 is located between the first annular baffle 1 and the second annular baffle 2. The second buffer device 4 is installed inside the second inflation part of the inflation device 6. The second inflation part extends along the length direction of the gas pipeline, and the third inflation part is located outside the gas pipeline;

[0035] Connect a closing cover to the other end of the second buffer device 4 and close it at the pipe orifice of the gas pipeline. The third inflation part is located inside the closing cover. The end of the closing cover covers outside the pipe orifice of the gas pipeline, and the closing cover is fixed outside the gas pipeline;

[0036] An inflation port is provided on the side surface of the closing cover, an inflation cover is provided at the inflation port, and the inflation valve of the third inflation part is correspondingly installed at the inflation port;

[0037] Open the inflation cover, at the inflation port, inflate the inflation device 6 through the inflation valve. After inflation is completed, close the inflation valve and the inflation cover. Preferably, the gas is preferably nitrogen.

[0038] In the method of the present invention, by providing a closed cover, an inflation part, a second annular baffle 2, and a first annular baffle 1 in sequence to block the dirt that may enter from the outside, layer-by-layer protection is provided to prevent the dirt from flushing into the gas pipeline. Moreover, the inflation part of the present invention can completely fill the inner wall of the gas pipeline, forming a seamless protection. And the inflation valve of the inflation part inflates on the side of the closed cover. First, it avoids directly opening holes in the gas pipeline. Second, inflating on the side can also prevent dirt from directly entering the gas pipeline, providing multiple protections. At the same time, the closed cover and the second annular baffle 2 of the present invention are provided with a second buffer device 4, and a first buffer device 3 is provided between the second annular baffle 2 and the first annular baffle 1, which can relieve the direct impact on the pipe orifice of the gas pipeline and avoid damaging the inner wall of the gas pipeline. Also, the present invention is easy to operate, has rapid construction, can be reused, is environmentally friendly and energy-saving, and is suitable for popularization and use.

[0039] In one of the technical solutions of the present invention, preferably, the diameter of the second annular baffle 2 is smaller than the diameter of the first annular baffle 1. The diameter of the first annular baffle 1 is close to the inner wall diameter of the gas pipeline.

[0040] In one of the technical solutions of the present invention, preferably, the first buffer device 3 includes a first compression spring arranged along the length direction of the gas pipeline and a rubber sleeve wrapping the first compression spring.

[0041] In one of the technical solutions of the present invention, preferably, a cover sealing gasket is provided between the closed cover and the outer wall of the gas pipeline.

[0042] In one of the technical solutions of the present invention, preferably, an extension pipe is provided on the side of the closed cover, and the inflation cover is screwed to the end of the extension pipe.

[0043] In one of the technical solutions of the present invention, preferably, the second buffer device 4 includes a second compression spring arranged along the length direction of the gas pipeline and several steel balls arranged inside the second compression spring.

[0044] To enable those skilled in the art to better understand the technical solution of the present invention, the following embodiments are provided for illustration:

[0045] A method for plugging the pipe orifice during the construction interval of a gas pipeline includes the following steps:

[0046] Provide a first annular baffle 1, and embed an annular sealing gasket on the peripheral wall of the first annular baffle 1;

[0047] Provide a second annular baffle 2, and an annular groove is provided on the peripheral wall of the second annular baffle 2; the diameter of the second annular baffle 2 is smaller than the diameter of the first annular baffle 1.

[0048] Provide an inflation device 6, the inflation device 6 includes an annular first inflation part arranged in the annular groove, a columnar second inflation part perpendicular to the first inflation part, and a third inflation part perpendicular to the second inflation part. The first inflation part, the second inflation part and the third inflation part are integrally formed and communicate with each other. An inflation valve is arranged on the third inflation part, and the third inflation part extends radially outward along the second inflation part;

[0049] Provide a first buffer device 3, fix the first end of the first buffer device 3 to the outer side of the first annular baffle 1, and fix the other end of the first buffer device 3 to the inner side of the second annular baffle 2; the first buffer device 3 includes a first compression spring arranged along the length direction of the gas pipeline and a rubber sleeve wrapping the first compression spring.

[0050] Provide a second buffer device 4, fix one end of the second buffer device 4 to the outer side of the second annular baffle 2; the second buffer device 4 includes a second compression spring arranged along the length direction of the gas pipeline and several steel balls arranged in the second compression spring.

[0051] Install the first annular baffle 1, the first buffer device 3, the second annular baffle 2, the inflation device 6 and the second buffer device 4 in the gas pipeline to be blocked, and the annular gasket of the first annular baffle 1 is closely attached to the inner wall of the gas pipeline. The first buffer device 3 is located between the first annular baffle 1 and the second annular baffle 2. The second buffer device 4 is installed inside the second inflation part of the inflation device 6. The second inflation part extends along the length direction of the gas pipeline, and the third inflation part is located outside the gas pipeline;

[0052] Connect a closing cover to the other end of the second buffer device 4 and close it at the pipe orifice of the gas pipeline. The third inflation part is located inside the closing cover. The end of the closing cover is wrapped outside the pipe orifice of the gas pipeline, and the closing cover is fixed outside the gas pipeline;

[0053] An inflation port is opened on the side of the closing cover, and an inflation cover is arranged at the inflation port. The inflation valve of the third inflation part is correspondingly installed at the inflation port;

[0054] Open the inflation cover, at the inflation port, fill nitrogen into the inflation device 6 through the inflation valve. After inflation is completed, close the inflation valve and the inflation cover. An extension pipe is arranged on the side of the closing cover, and the inflation cover is screwed to the end of the extension pipe. A cover body gasket is arranged between the closing cover and the outer wall of the gas pipeline.

[0055] In the method of the present invention, by providing a closed cover, an inflation part, a second annular baffle, and a first annular baffle in sequence to block the dirt that may enter from the outside, layer-by-layer protection is provided to prevent the dirt from flushing into the gas pipeline. Moreover, the inflation part of the present invention can completely fill the inner wall of the gas pipeline, forming a seamless protection. And the inflation valve of the inflation part inflates on the side of the closed cover. One is to avoid directly opening holes on the gas pipeline, and the other is that inflating on the side can also prevent dirt from directly entering the gas pipeline, providing multiple protections. At the same time, the closed cover and the second annular baffle of the present invention are provided with a second buffer device, and a first buffer device is provided between the second annular baffle and the first annular baffle, which can relieve the direct impact on the pipe orifice of the gas pipeline and avoid damaging the inner wall of the gas pipeline. Also, the present invention is easy to operate, has rapid construction, can be reused, is environmentally friendly and energy-saving, and is suitable for popularization and use.

[0056] The number of modules and the processing scale described here are used to simplify the description of the present invention. Applications, modifications, and variations of the present invention will be apparent to those skilled in the art.

[0057] Although the embodiments of the present invention have been disclosed as above, it is not limited to only the applications listed in the specification and embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily made. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the illustrated and described examples here.

Claims

1. A method for sealing the pipe orifice during the construction break of a gas pipeline, characterized in that, It includes the following steps: Provide a first annular baffle, and embed an annular gasket on the peripheral wall of the first annular baffle; Provide a second annular baffle, and provide an annular groove on the peripheral wall of the second annular baffle; Provide an inflation device, which includes an annular first inflation part arranged in the annular groove, a columnar second inflation part perpendicular to the first inflation part, and a third inflation part perpendicular to the second inflation part. The first inflation part, the second inflation part and the third inflation part are integrally formed and communicate with each other. An inflation valve is arranged on the third inflation part, and the third inflation part extends radially outward along the second inflation part; Provide a first buffer device, fix the first end of the first buffer device to the outside of the first annular baffle, and fix the other end of the first buffer device to the inside of the second annular baffle; Provide a second buffer device, and fix one end of the second buffer device to the outside of the second annular baffle; Install the first annular baffle, the first buffer device, the second annular baffle, the inflation device and the second buffer device in the gas pipeline to be blocked, and the annular gasket of the first annular baffle is closely attached to the inner wall of the gas pipeline. The first buffer device is located between the first annular baffle and the second annular baffle. The second buffer device is installed inside the second inflation part of the inflation device. The second inflation part extends along the length direction of the gas pipeline, and the third inflation part is located outside the gas pipeline; Connect a closing cover to the other end of the second buffer device and close it at the pipe orifice of the gas pipeline. The third inflation part is located inside the closing cover. The end of the closing cover covers the outside of the pipe orifice of the gas pipeline, and the closing cover is fixed outside the gas pipeline; An inflation port is opened on the side of the closing cover, an inflation cover is arranged at the inflation port, and the inflation valve of the third inflation part is correspondingly installed at the inflation port; Open the inflation cover, and at the inflation port, inflate the inflation device through the inflation valve. After inflation is completed, close the inflation valve and the inflation cover.

2. The method for sealing the pipe orifice during the construction break of the gas pipeline according to claim 1, characterized in that, The diameter of the second annular baffle is smaller than that of the first annular baffle.

3. The method for sealing the pipe orifice during the construction interval of the gas pipeline according to claim 1, characterized in that, The first buffer device includes a first compression spring arranged along the length direction of the gas pipeline and a rubber sleeve wrapping the first compression spring.

4. The method for sealing the pipe orifice during the construction interval of the gas pipeline according to claim 1, characterized in that, A cover gasket is arranged between the closing cover and the outer wall of the gas pipeline.

5. The method for sealing the pipe orifice during the construction interval of the gas pipeline according to claim 1, characterized in that, An extension pipe is arranged on the side of the closing cover, and the inflation cover is screwed to the end of the extension pipe.

6. The method for sealing the pipe orifice during the construction break of the gas pipeline according to claim 1, characterized in that, The second buffer device includes a second compression spring arranged along the length direction of the gas pipeline and several steel balls arranged inside the second compression spring.

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