Pipeline opening aligning device for double-pressure-resistant container

Abstract

The utility model discloses a pipeline opening aligning device for a double-pressure-resistant container in the technical field of pipeline welding. The pipeline opening aligning device comprises an arc-shaped plate. The pressing plate is arranged above the arc-shaped plate; the opening direction of the V-shaped angle steel is consistent with that of the arc-shaped plate and is arranged on the inner arc surface of the arc-shaped plate; the first locking assembly is arranged between the pressing plate and one end of the arc-shaped plate; the second locking assembly is arranged between the pressing plate and the other end of the arc-shaped plate; the welding device can conveniently finish the flush welding of the straight pipe and the bent pipe, has the advantages of simplicity in operation, high welding efficiency, high alignment degree and the like, and improves the sealing property and the structural strength of a welding area, thereby ensuring that the quality and the performance of the double-resistance pressure container can meet the use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline welding, in particular to a pipeline aligning device for a double-resistance pressure vessel. Background Art

[0002] Double-resistant HIC / SSC pressure vessels are pressure vessels with dual resistance (i.e., resistance to hydrogen-induced cracking (HIC) and resistance to hydrogen sulfide stress corrosion (SSC); they are widely used in the petroleum, chemical, natural gas and other industries, especially when handling media containing corrosive gases such as hydrogen sulfide; they are of great significance for ensuring production safety, reducing equipment failures and extending service life; therefore, the manufacturing process needs to be strictly controlled during the manufacturing process to ensure that its quality and performance meet the requirements.

[0003] During the manufacturing process of double-resistance pressure vessels, in order to achieve the turning of the pipeline, it is necessary to align and weld the straight pipes and bent pipes. However, the alignment operation is currently performed manually, which leads to complex operation, low welding efficiency and poor alignment, which reduces the sealing and structural strength of the welding area and cannot ensure that the quality and performance of the double-resistance pressure vessels meet the use requirements. Utility Model Content

[0004] The utility model aims to provide a pipe aligning device for a double-resistance pressure vessel, which solves the technical problems of complicated operation, low welding efficiency and poor alignment when manually aligning and welding straight pipes and bent pipes in the prior art.

[0005] The utility model discloses a pipe lining device for a double-resistance pressure vessel, comprising:

[0006] curved plates;

[0007] A pressure plate is arranged above the arc-shaped plate;

[0008] A V-shaped angle steel, with its opening facing the same direction as the arc-shaped plate, and provided on the inner arc surface of the arc-shaped plate;

[0009] A first locking assembly is provided between the pressing plate and one end of the arc-shaped plate;

[0010] The second locking assembly is arranged between the pressing plate and the other end of the arc-shaped plate.

[0011] This application can conveniently complete the flush welding of straight pipes and curved pipes when manufacturing double-resistance pressure vessels. It is simple to operate, has high welding efficiency and alignment, improves the sealing and structural strength of the welding area, and ensures that the quality and performance of the double-resistance pressure vessel can meet the use requirements.

[0012] On the basis of the above technical solution, the solution of this application can also be improved as follows:

[0013] Preferably, the arc-shaped plate has a semicircular structure; by adopting this solution, the center of gravity of the device and the center of gravity of the pipe are on the same vertical plane, thereby ensuring balanced forces at both ends and improving clamping stability.

[0014] Preferably, a first lug is provided at one end of the arc-shaped plate;

[0015] The first locking assembly comprises:

[0016] First bolt,

[0017] A first nut is provided at one end of the pressure plate and is threadedly connected to the first bolt.

[0018] The second nut is arranged on the side of the first support ear, and is arranged vertically opposite to the first nut, and is threadedly connected to the first bolt; adopting this solution simplifies operation and improves work efficiency. By changing the distance between the first nut and the second nut, the spacing between the pressure plate and the arc plate can be adjusted to adapt to the clamping of pipes of different sizes, which improves the applicability of the device.

[0019] Preferably, the pressing plate is provided with a first assembly hole, the other end of the arc-shaped plate is provided with a second lug, and the second lug is provided with a second assembly hole arranged vertically opposite to the first assembly hole;

[0020] The second locking assembly includes:

[0021] The third nut,

[0022] The second bolt and the stud pass through the first assembly hole and the second assembly hole and are threadedly connected to the third nut; adopting this solution, the operation is simple, the adjustment is convenient, the work efficiency is improved, and it is convenient for practical use.

[0023] Preferably, the first support ear and the second support ear are both integrally formed with the arc plate, and the top surfaces are flush; adopting this solution, through the integral molding setting, it is easy to produce and manufacture, and the structural strength is improved. The top surface is flush designed, and the arc plate and the pressure plate can fit together, thereby improving the clamping stability.

[0024] Preferably, the cross-section of the inner side of the V-shaped angle steel is an isosceles trapezoid; by adopting this solution, the thickness of the sharp-angle area is increased, thereby enhancing the structural strength, improving the bearing capacity, and extending the service life.

[0025] Preferably, a flexible gasket is provided on the bottom surface of the pressure plate; by adopting this solution, the contact area is expanded through flexible deformation, thereby dispersing the stress concentration in the contact area of the pressure plate, thereby improving the bearing capacity of the pressure plate, avoiding deformation or fracture, and improving the structural stability.

[0026] Preferably, the bottom surface of the pressure plate is provided with a positioning groove for installing the flexible gasket; adopting this solution, the upper part of the flexible gasket can be embedded in the pressure plate, which is convenient for installation and positioning, improves assembly efficiency and improves connection tightness.

[0027] Through the above technical solution, the utility model achieves the following beneficial effects:

[0028] 1. The present invention extends the straight pipe between the curved plate and the pressure plate, and fits it with both sides of the inner wall of the V-shaped angle steel. Then, the first locking assembly and the second locking assembly are locked, so that the pressure plate is pressed against the straight pipe, thereby completing the fixing of the device. Subsequently, the pipe mouth of the bent pipe is fit to both sides of the inner wall of the V-shaped angle steel, and then the device is moved relative to each other so that the two pipe mouths are in relative contact, thus completing the flush welding of the straight pipe and the bent pipe. The operation is simple, the welding efficiency is high, and the alignment degree is high. This improves the sealing and structural strength of the welding area, and ensures that the quality and performance of the double-resistance pressure vessel meet the use requirements.

[0029] 2. The present application uses a threaded connection between the first bolt and the first nut and the second nut, so that one end of the pressure plate and the first support ear is always in a fixed state, so that the straight pipe can be clamped and fixed only by loosening or tightening the second locking assembly at the other end, thereby simplifying the operation and improving work efficiency; and the spacing between the pressure plate and the arc plate can be adjusted by changing the distance between the first nut and the second nut, so as to adapt to the clamping of pipes of different sizes, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the specific implementation methods or the description of the prior art. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 This is a front view of the pipe lining device for a double-resistance pressure vessel according to an embodiment of the present utility model;

[0032] Figure 2 for Figure 1 The front cross-sectional view of the piping lining device for the double-resistance pressure vessel shown;

[0033] Figure 3 for Figure 1 A side view of a pipe lining device for a double-resistance pressure vessel shown;

[0034] Figure 4 for Figure 3A side sectional view of a pipe lining device for a double-resistance pressure vessel shown;

[0035] Description of reference numerals:

[0036] 1. Arc plate; 2. Pressure plate; 3. V-shaped angle steel; 4. First locking assembly; 5. Second locking assembly; 6. Flexible gasket;

[0037] 11. First lug; 12. Second lug; 21. First assembly hole; 22. Positioning groove; 41. First bolt; 42. First nut; 43. Second nut; 51. Third nut; 52. Second bolt; 121. Second assembly hole. DETAILED DESCRIPTION

[0038] The following embodiments of the technical solution of the present invention are described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are therefore only examples and are not intended to limit the scope of protection of the present invention.

[0039] First of all, it should be noted that in the following description, some directional words involved in order to clearly illustrate the technical solution of the present invention, such as "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., are all based on the meanings of the normal directions of the components in the piping lining device for double-resistance pressure vessels by analogy. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0040] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features.

[0041] In this application, unless otherwise specified or limited, the terms "mounted" and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0042] In order to better understand the above technical solution, the above technical solution will be described in detail below with reference to the accompanying drawings and specific implementation methods.

[0043] Example:

[0044] like Figure 1 As shown, an embodiment of the present application discloses a pipe aligning device for a double-resistance pressure vessel, which is used to align two sections of round pipes with the same diameter that need to be welded. Its specific structure includes: an arc plate 1, a pressure plate 2, a V-shaped angle steel 3, a first locking assembly 4 and a second locking assembly 5.

[0045] The arc-shaped plate 1 serves as a support member for fixing and supporting other components.

[0046] The pressing plate 2 is arranged above the arc-shaped plate 1, and its width is consistent with that of the arc-shaped plate 1 to ensure that the two are aligned front to back, thereby improving the structural regularity.

[0047] The opening direction of the V-shaped angle steel 3 is consistent with that of the arc plate 1, and is arranged on the inner arc surface of the arc plate 1. Its sharp corner is welded to the center of the inner bottom surface of the arc plate 1 to ensure uniform force during clamping, and the inner angle is preferably ninety degrees, which has a better positioning effect on the pipe, but is not limited to this. It can be smaller or larger without limitation.

[0048] The first locking assembly 4 is disposed between the pressing plate 2 and one end of the arc-shaped plate 1 and is used to clamp the pipe to keep the device fixed.

[0049] The second locking assembly 5 is disposed between the pressing plate 2 and the other end of the arc-shaped plate 1 and is used to clamp the pipe to keep the device fixed.

[0050] During use, the straight pipe is inserted between the curved plate 1 and the pressure plate 2, and aligned with the inner walls of the V-angle steel 3. The first and second locking assemblies 4 and 5 are then tightened, pressing the pressure plate 2 against the straight pipe. The device is now securely mounted on the straight pipe. The mouth of the bent pipe is then aligned with the inner walls of the V-angle steel 3. The alignment device is then moved relative to each other, bringing the straight and bent pipe mouths into contact. This completes the alignment process. Maintaining this position allows for the next welding step.

[0051] Through the above-mentioned setting, the flush welding of straight pipes and bent pipes can be conveniently completed when manufacturing double-resistance pressure vessels. The operation is simple, the welding efficiency is high, and the alignment degree is high, which improves the sealing and structural strength of the welding area and ensures that the quality and performance of the double-resistance pressure vessel can meet the use requirements.

[0052] Preferably, support rods are provided between the two sides of the bottom surface of the V-shaped angle steel 3 and the inner arc surface of the arc plate 1, which are used to reduce stress concentration at the sharp corners of the V-shaped angle steel 3 and improve the connection firmness between the V-shaped angle steel 3 and the arc plate 1.

[0053] In some embodiments, as Figure 1 and Figure 2As shown, the arc plate 1 is a semicircular structure, which is used to make the center of gravity of the device and the center of gravity of the pipe be on the same vertical plane, thereby ensuring balanced forces at both ends and improving clamping stability.

[0054] In some embodiments, as Figures 1 to 3 As shown, a first lug 11 is provided at one end of the arc-shaped plate 1; the first locking assembly 4 includes: a first bolt 41, a first nut 42 and a second nut 43, wherein the first nut 42 is provided at one end of the pressure plate 2 and is threadedly connected to the first bolt 41, and the second nut 43 is provided on the side of the first lug 11, and is arranged vertically opposite to the first nut 42, and is threadedly connected to the first bolt 41.

[0055] Through the threaded connection between the first bolt 41 and the first nut 42 and the second nut 43, the pressure plate 2 and one end of the first support ear 11 can always be in a fixed state, so that the straight pipe can be clamped and fixed only by loosening or tightening the second locking component 5 at the other end, which simplifies the operation and improves the work efficiency; and the spacing between the pressure plate 2 and the curved plate 1 can be adjusted by changing the distance between the first nut 42 and the second nut 43, so as to adapt to the clamping of pipes of different sizes, which improves the applicability of the device.

[0056] Based on the above embodiment, Figure 1 and Figure 2 As shown, a first assembly hole 21 is provided on the pressure plate 2, and a second support ear 12 is provided at the other end of the arc plate 1. The second support ear 12 is provided with a second assembly hole 121 arranged vertically opposite to the first assembly hole 21; the second locking component 5 includes: a third nut 51 and a second bolt 52, wherein the stud of the second bolt 52 passes through the first assembly hole 21 and the second assembly hole 121 and is threadedly connected to the third nut 51.

[0057] By tightening the third nut 51 sleeved on the second bolt 52, the fixing of the pressure plate 2 and the other end of the first support ear 11 can be completed, so that the pressure plate 2 can press the pipe. It is simple to operate and easy to adjust, which improves work efficiency and is convenient for practical use.

[0058] In this embodiment, the first support ear 11 and the second support ear 12 are both integrally formed with the arc plate 1, and the top surfaces are flush; the integral molding facilitates production and manufacturing, and improves the structural strength. The flush top surface design allows the arc plate 1 and the pressure plate 2 to fit together, thereby improving the clamping stability.

[0059] In some embodiments, as Figure 1 and Figure 2 As shown, the cross section of the inner side of the V-shaped angle steel 3 is an isosceles trapezoid, thereby increasing the thickness of the sharp corner area, thereby strengthening the structural strength, improving the bearing capacity and extending the service life.

[0060] In some embodiments, as Figure 1 、 Figure 2 and Figure 4 As shown, a flexible gasket 6 is provided on the bottom surface of the pressure plate 2, which is used to expand the contact area through flexible deformation, thereby dispersing the stress concentration in the contact area of the pressure plate 2, thereby improving the bearing capacity of the pressure plate 2, avoiding deformation or breakage, and improving the structural stability. The material can be polyethylene, rubber, etc.

[0061] In this embodiment, a positioning groove 22 for installing the flexible gasket 6 is provided on the bottom surface of the pressure plate 2. The shape and size of the positioning groove 22 are consistent with the flexible gasket 6, so that the upper part of the flexible gasket 6 can be embedded in the pressure plate 2, which is convenient for installation and positioning, improves assembly efficiency and improves connection tightness.

[0062] In the specification of the present invention, a large number of specific details are described. However, it is understood that the embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this specification.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and description of the present invention.

Claims

1. A pipe lining device for a double-resistance pressure vessel, characterized in that: include: curved plates; A pressure plate is arranged above the arc-shaped plate; A V-shaped angle steel, with its opening facing the same direction as the arc-shaped plate, and provided on the inner arc surface of the arc-shaped plate; A first locking assembly is provided between the pressing plate and one end of the arc-shaped plate; The second locking assembly is arranged between the pressing plate and the other end of the arc-shaped plate.

2. The pipe lining device for a double-resistance pressure vessel according to claim 1, characterized in that: The arc-shaped plate has a semicircular structure.

3. The pipe lining device for a double-resistance pressure vessel according to claim 1, characterized in that: A first lug is provided at one end of the arc-shaped plate; The first locking assembly comprises: First bolt, A first nut is provided at one end of the pressure plate and is threadedly connected to the first bolt. The second nut is arranged on the side surface of the first supporting ear, is arranged vertically opposite to the first nut, and is threadedly connected to the first bolt.

4. The pipe lining device for a double-resistance pressure vessel according to claim 3, characterized in that: The pressing plate is provided with a first assembly hole, the other end of the arc-shaped plate is provided with a second lug, and the second lug is provided with a second assembly hole arranged vertically opposite to the first assembly hole; The second locking assembly includes: The third nut, The second bolt and the stud pass through the first assembly hole and the second assembly hole and are threadedly connected with the third nut.

5. The pipe lining device for a double-resistance pressure vessel according to claim 4, characterized in that: The first support ear and the second support ear are both integrally formed with the arc-shaped plate, and their top surfaces are flush.

6. The pipe lining device for a double-resistance pressure vessel according to claim 1, characterized in that: The cross section of the inner side of the V-shaped angle steel is an isosceles trapezoid.

7. The pipe lining device for a double-resistance pressure vessel according to claim 1, characterized in that: A flexible gasket is provided on the bottom surface of the pressure plate.

8. The pipe lining device for a double-resistance pressure vessel according to claim 7, characterized in that: The bottom surface of the pressure plate is provided with a positioning groove for installing the flexible gasket.

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