Pipeline plugging device for gas engineering

Abstract

The utility model provides a gas engineering pipeline plugging device which comprises a fixing ring, a threaded cylinder and a plugging table, a plurality of threaded holes are formed in the circumferential wall of the fixing ring, the threaded holes are evenly distributed, each threaded hole is in threaded connection with a clamping rod, the clamping rods are used for clamping a gas pipeline, and the plugging table is used for plugging the gas pipeline. The threaded barrel is connected to the fixing ring through a plurality of connecting rods and is coaxial with the fixing ring, the plugging table is in a circular truncated cone shape, a threaded shaft is arranged at the large end of the plugging table and matched with the threaded barrel, and when the threaded shaft rotates, the threaded barrel is connected with the plugging table through the connecting rods. The blocking table can move in the axial direction of the fixing ring so that the circumferential face of the blocking table can abut against the inner edge of a pipe opening of the gas pipeline. According to the gas pipeline plugging device, the plugging table is in the circular truncated cone shape, gas pipelines of various sizes can be plugged, replacement is not needed, the application range of a product is widened, and the adaptability of the product is improved.

Description

Technical Field

[0001] The present application relates to the technical field of gas engineering, and in particular to a pipeline plugging device for gas engineering. Background Art

[0002] Gas engineering mainly includes gas-related equipment such as gas stations, gas storage tanks and gas pipelines, as well as the production, construction and installation of these equipment.

[0003] During the installation of gas pipelines, it is sometimes necessary to seal the gas pipelines. For example, the air tightness test of the gas pipelines before leaving the factory requires sealing of both ends of the gas pipelines, as well as sealing of the gas pipelines when the installation is not completed. In these cases, it is necessary to use sealing devices to seal the gas pipelines to achieve sealing of the gas pipelines.

[0004] At present, there are many types of gas pipelines with large size variations, but the sizes of gas pipelines that can be blocked by plugging devices on the market are mostly fixed or need to be replaced, which is not easy to meet the needs of gas pipelines with variable sizes. Based on this, the present application proposes a pipeline plugging device for gas engineering. Utility Model Content

[0005] The present application provides a pipeline plugging device for gas engineering. The plugging platform is in the shape of a truncated cone and can plug gas pipelines of various sizes without the need for replacement, thereby expanding the scope of application of the product and improving the adaptability of the product.

[0006] In order to solve the above technical problems, this application adopts the following technical solutions:

[0007] A pipeline plugging device for gas engineering, comprising a fixing ring, a threaded barrel and a plugging platform, the circumferential wall of the fixing ring is provided with a plurality of threaded holes, the plurality of threaded holes are evenly distributed, each threaded hole is threadedly connected with a clamping rod, the clamping rod is used to clamp the gas pipeline, the threaded barrel is connected to the fixing ring through a plurality of connecting rods and is coaxial with the fixing ring, the plugging platform is truncated cone-shaped, the large end of the plugging platform is provided with a threaded shaft, the threaded shaft cooperates with the threaded barrel, when the threaded shaft rotates, the plugging platform can move along the axial direction of the fixing ring so that the circumferential surface of the plugging platform abuts against the inner edge of the pipe mouth of the gas pipeline.

[0008] When in use, the fixing ring is put on the gas pipeline to be blocked, and then the fixing ring is fixed to the gas pipeline through multiple clamping rods and kept coaxial with the gas pipeline. Then the threaded shaft is rotated to make the blocking platform approach the gas pipeline until the circumferential surface of the blocking platform abuts against the inner edge of the pipe mouth of the gas pipeline, thereby achieving the blocking of the gas pipeline.

[0009] Compared with the prior art, the sealing platform of the pipeline sealing device for gas engineering is truncated cone-shaped, which can seal gas pipelines of various sizes and does not need to be replaced, thereby expanding the application scope of the product and improving the adaptability of the product.

[0010] In one embodiment of the present application, a soft layer is provided on the circumferential surface of the occlusion platform.

[0011] In one embodiment of the present application, the soft layer is a rubber layer.

[0012] In an embodiment of the present application, the thickness of the rubber layer is 5 mm to 10 mm.

[0013] In one embodiment of the present application, an arc-shaped clamping plate is provided at one end of the clamping rod, and a first handle is provided at the other end.

[0014] In one embodiment of the present application, a second handle is provided at one end of the threaded shaft away from the sealing platform.

[0015] In one embodiment of the present application, the fixing ring, the threaded cylinder and the sealing platform are all made of aluminum alloy.

[0016] In one embodiment of the present application, the diameter of the small end of the blocking platform is 200 mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 A schematic diagram of a three-dimensional structure of a gas engineering pipeline plugging device provided in an embodiment of the present application installed on a gas pipeline;

[0019] Figure 2 A schematic diagram of the three-dimensional structure of a fixing ring used in a gas engineering pipeline plugging device provided in one embodiment of the present application;

[0020] Figure 3 A schematic diagram of the three-dimensional structure of a clamping rod used in a gas engineering pipeline plugging device provided in one embodiment of the present application;

[0021] Figure 4 A schematic diagram of the three-dimensional structure of a threaded barrel and a connecting rod used in a gas engineering pipeline plugging device provided in one embodiment of the present application;

[0022] Figure 5A schematic diagram of the three-dimensional structure of a sealing platform and a threaded shaft used in a pipeline sealing device for gas engineering provided in one embodiment of the present application.

[0023] Reference numerals:

[0024] 010, gas pipeline; 100, fixing ring; 110, threaded hole; 200, clamping rod; 210, arc-shaped clamping plate; 220, first handle; 300, threaded cylinder; 310, connecting rod; 400, sealing platform; 500, threaded shaft; 510, second handle. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application is clearly and completely described below. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do 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 understood as a limitation on the present application.

[0027] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0028] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] Figure 1 A schematic diagram of the three-dimensional structure of a pipeline plugging device for gas engineering provided in one embodiment of the present application installed on a gas pipeline. Figure 2 A schematic diagram of the three-dimensional structure of a fixing ring used in a pipeline plugging device for gas engineering provided in one embodiment of the present application. Figure 3 A schematic diagram of the three-dimensional structure of a clamping rod used in a pipeline plugging device for gas engineering provided in one embodiment of the present application. Figure 4 A schematic diagram of the three-dimensional structure of a threaded cylinder and a connecting rod used in a pipeline plugging device for gas engineering provided in one embodiment of the present application. Figure 5 A schematic diagram of the three-dimensional structure of a sealing platform and a threaded shaft used in a pipeline sealing device for gas engineering provided in one embodiment of the present application.

[0030] The embodiment of the present application provides a pipeline plugging device for gas engineering, such as Figure 1 As shown, it includes a fixing ring 100, a threaded barrel 300 and a sealing platform 400, wherein the fixing ring 100 is a structure for installing and supporting other components, and is also a component for installing the entire device on the gas pipeline 010 to be sealed, the threaded barrel 300 provides a threaded connection structure, and the sealing platform 400 is a component for sealing the gas pipeline 010.

[0031] like Figure 2 As shown, a plurality of threaded holes 110 are provided on the circumferential wall of the fixing ring 100 , and the plurality of threaded holes 110 are evenly distributed.

[0032] like Figure 1 and Figure 3 As shown, each threaded hole 110 is threadedly connected with a clamping rod 200, and the clamping rod 200 is used to clamp the gas pipeline 010. When the clamping rod 200 rotates, the clamping rod 200 can be close to or away from the gas pipeline 010, playing the role of clamping or loosening.

[0033] like Figure 1 and Figure 4 As shown, the threaded barrel 300 is connected to the fixing ring 100 through a plurality of connecting rods 310 and is coaxial with the fixing ring 100, so that the threaded barrel 300 is connected to the fixing ring 100 and the two remain relatively fixed. The connecting rods 310 can generally be installed on the fixing ring 100 by welding or threaded connection, which is not limited here. The number of connecting rods 310 is generally 4. The inner wall of the threaded barrel 300 is provided with an internal thread, which can be matched with an external thread.

[0034] like Figure 1 and Figure 5 As shown, the blocking platform 400 is in the shape of a truncated cone, and a threaded shaft 500 is provided at the large end of the blocking platform 400. The threaded shaft 500 is provided with an external thread, and the threaded shaft 500 is threadedly matched with the threaded cylinder 300. When the threaded shaft 500 rotates, the threaded shaft 500 moves along the axial direction of the fixing ring 100, thereby driving the blocking platform 400 to move along the axial direction of the fixing ring 100. As the blocking platform 400 approaches the gas pipeline 010, the circumferential surface of the blocking platform 400 can abut against the inner edge of the pipe mouth of the gas pipeline 010, thereby achieving the blocking of the gas pipeline 010.

[0035] When in use, the fixing ring 100 is put on the gas pipeline 010 to be sealed, and then the fixing ring 100 is fixed on the gas pipeline 010 by multiple clamping rods 200 and kept coaxial with the gas pipeline 010, and then the threaded shaft 500 is rotated to make the sealing platform 400 approach the gas pipeline 010 until the circumferential surface of the sealing platform 400 abuts against the inner edge of the pipe mouth of the gas pipeline 010, thereby achieving the sealing of the gas pipeline 010.

[0036] Compared with the prior art, the sealing platform 400 of the pipeline sealing device for gas engineering is truncated cone-shaped, which can seal gas pipelines 010 of various sizes and does not need to be replaced, thereby expanding the application scope of the product and improving the adaptability of the product.

[0037] In some embodiments, a soft layer is provided on the circumferential surface of the plugging platform 400. When the plugging platform 400 contacts the gas pipeline 010, the soft layer can play a buffering role, and the gas pipeline 010 can cause the soft layer to deform to a certain extent (it can also be understood that the pipe mouth of the gas pipeline 010 is embedded in the soft layer to a certain extent), and the plugging effect is better.

[0038] In some embodiments, the soft layer is a rubber layer. The rubber layer is soft, and its deformation is easy to recover after being separated from the gas pipeline 010, and the use effect is good.

[0039] In some embodiments, the thickness of the rubber layer is 5 mm to 10 mm. Compared with a thickness less than 5 mm, the thickness in this range is larger, the rubber layer has a better cushioning effect, and is less likely to be damaged. Compared with a thickness greater than 10 mm, the thickness in this range is smaller, less material is used, and the manufacturing cost is low.

[0040] In some embodiments, Figure 3 As shown, an arc-shaped clamping plate 210 is provided at one end of the clamping rod 200, and the arc-shaped clamping plate 210 is more easily matched with the shape of the gas pipeline 010, and the clamping effect is better. The arc-shaped clamping plate 210 has a small central angle, a small arc degree, and a certain elasticity, which is convenient for matching with gas pipelines 010 of different specifications, and the clamping effect is good.

[0041] like Figure 3 As shown, a first handle 220 is provided at the other end of the clamping rod 200, so that the user can rotate the clamping rod 200 through the first handle 220, which is convenient for use.

[0042] Generally, the number of the clamping rods 200 may be 3 or 4, as long as the fixing ring 100 can be firmly clamped on the gas pipeline 010, and this is not limited here.

[0043] In some embodiments, Figure 5As shown, a second handle 510 is provided at one end of the threaded shaft 500 away from the blocking platform 400, so that the user can rotate the threaded shaft 500 through the second handle 510, which is convenient for use.

[0044] In some embodiments, the fixing ring 100, the threaded cylinder 300 and the sealing platform 400 are all made of aluminum alloy, so that the weight of the entire device is small, which is convenient for users to move and use. The weight borne by the gas pipeline 010 is also small, and safety is higher.

[0045] In some embodiments, the diameter of the small end of the plugging platform 400 is 200 mm. At present, the diameter of the natural gas transmission pipeline is 219 mm to 3620 mm. The diameter of the small end of the plugging platform 400 is made to be 200 mm, so that the plugging platform 400 can be extended into the smallest natural gas transmission pipeline to achieve the plugging of the smallest pipeline.

[0046] It should be noted that the sizes of gas pipelines 010 vary greatly, and one gas engineering pipeline plugging device will not meet the plugging needs of gas pipelines 010 of all specifications. Therefore, in actual use, multiple gas engineering pipeline plugging devices of different sizes can be manufactured according to the specifications of the gas pipelines 010, which are suitable for gas pipelines 010 of different specification ranges.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A pipeline plugging device for gas engineering, characterized in that: include: A fixing ring, wherein a plurality of threaded holes are arranged on the circumferential wall of the fixing ring, the plurality of threaded holes are evenly distributed, each threaded hole is threadedly connected with a clamping rod, and the clamping rod is used to clamp the gas pipeline; A threaded barrel, the threaded barrel is connected to the fixing ring through a plurality of connecting rods and is coaxial with the fixing ring; The plugging platform is in the shape of a truncated cone, and a threaded shaft is provided at the large end of the plugging platform, and the threaded shaft cooperates with the threaded barrel; When the threaded shaft rotates, the blocking platform can move along the axial direction of the fixing ring so that the circumferential surface of the blocking platform abuts against the inner edge of the pipe opening of the gas pipeline.

2. The pipeline plugging device for gas engineering according to claim 1, characterized in that: The circumferential surface of the blocking platform is provided with a soft layer.

3. The pipeline plugging device for gas engineering according to claim 2, characterized in that: The soft layer is a rubber layer.

4. The pipeline plugging device for gas engineering according to claim 3, characterized in that: The thickness of the rubber layer is 5 mm to 10 mm.

5. The pipeline plugging device for gas engineering according to claim 1, characterized in that: An arc-shaped clamping plate is arranged at one end of the clamping rod, and a first handle is arranged at the other end.

6. The pipeline plugging device for gas engineering according to claim 1, characterized in that: A second handle is provided at one end of the threaded shaft away from the blocking platform.

7. The gas engineering pipeline plugging device according to any one of claims 1 to 6, characterized in that: The fixing ring, the threaded cylinder and the sealing platform are all made of aluminum alloy.

8. The pipeline plugging device for gas engineering according to claim 7, characterized in that: The diameter of the small end of the blocking platform is 200 mm.

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