Adjusting device for misalignment between pressure pipelines
By designing a misalignment adjustment device between pressure pipelines, and using components such as toothed rings and toothed columns to achieve synchronous adjustment of the pipeline edges, the problem of misalignment caused by the inner convexity of the pressure pipeline was solved, and the welding quality was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-03-24
AI Technical Summary
In existing technologies, the inward bulge at the edge of the pressure pipe causes inconsistent height at the joint, affecting the welding quality.
A misalignment adjustment device for pressure pipelines was designed, comprising components such as a toothed ring, a toothed column, a toothed rack, an arc-shaped component, a threaded rod, and an expansion component. Through the coordinated use of these components, the outer and inner arc surfaces of the pipeline can be adjusted synchronously to avoid misalignment.
It enables precise adjustment of the pressure pipe edge, ensuring consistent joint height and improving welding quality.
Smart Images
Figure CN224026881U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of misaligned edge adjustment, in particular to a pressure pipeline misaligned edge adjustment device. BACKGROUND
[0002] The pressure pipeline in the power station is a water pipe for conveying water quantity from the reservoir, the pressure forebay or the surge chamber to the water turbine. The pressure pipeline is generally connected by large-diameter steel pipes, and the connection is achieved by welding. Since the connection is achieved by welding, it is necessary to ensure that the adjacent two steel pipes do not produce misaligned edges at the connection or the height difference of the misaligned edges is within a reasonable range, otherwise it will affect the subsequent welding work and the welding quality.
[0003] However, the misaligned edge is mostly caused by the inward protrusion of the edge of the pressure pipeline, which makes the height of the butt joint inconsistent. Therefore, it is necessary to adjust the position of the inward protrusion of the edge of the pressure pipeline. SUMMARY
[0004] The utility model discloses to solve the technical problem that the misaligned edge is mostly caused by the inward protrusion of the edge of the pressure pipeline, which makes the height of the butt joint inconsistent.
[0005] In order to achieve the above-mentioned purpose of the application, the utility model provides the following technical scheme:
[0006] A pressure pipeline misaligned edge adjustment device, comprising a mounting piece, a tooth ring movably connected to one side of the mounting piece, a tooth column meshing connected to the tooth ring, a gear rack meshing connected to one side of the tooth column, an arc-shaped piece fixedly connected to one end of the gear rack, a bearing piece movably connected to one side of the tooth ring, a sliding groove compatible with the gear rack formed in one side of the bearing piece, and an arc wall of the arc-shaped piece matched with the outer wall of the pipeline, and a same limiting piece fixedly connected to the side of the mounting piece and the bearing piece.
[0007] As a preferred technical scheme of the present application, a rotating rod is movably connected to the limiting piece, a gear piece is fixedly connected to the middle part of the rotating rod, and a rotating handle is fixedly connected to one end of the rotating rod.
[0008] As a preferred technical scheme of the present application, a mounting piece is fixedly connected to one side of the mounting piece, a threaded rod is movably connected to the middle part of the mounting piece, and a rotating piece is fixedly connected to one end of the threaded rod.
[0009] As a preferred technical scheme of the present application, a threaded rod is movably connected to one end of the threaded rod, and an expansion piece is fixedly connected to the threaded rod, and the expansion piece and the threaded rod are placed in the inner wall of the pipeline.
[0010] As the preferred technical scheme of the present application, the number of the tooth columns is three, the three tooth columns are uniformly and equidistantly distributed on the tooth ring, and the arc-shaped member is arranged in the inner arc surface of the mounting member and the bearing member.
[0011] As the preferred technical scheme of the present application, the number of the tooth columns is three, the three tooth columns are uniformly and equidistantly distributed on the tooth ring, and the arc-shaped member is arranged in the inner arc surface of the mounting member and the bearing member.
[0012] Compared with the prior art, the present application has the following beneficial effects:
[0013] In the scheme of the present application,
[0014] By arranging the tooth ring, the tooth column, the tooth bar, the arc-shaped member, the threaded rod, the expansion member and the expansion member, the staff can more conveniently adjust the edge of the outer arc surface of the pipeline and the edge of the inner arc surface of the pipeline simultaneously, thereby effectively avoiding the error when adjusting the edge of the outer arc surface of the pipeline or the edge of the inner arc surface of the pipeline, and then causing the phenomenon of reverse misalignment, and simultaneously adjusting the two pipeline connecting ends, solving the problem that the misalignment in the prior art is mostly caused by the edge of the pressure pipeline being inwardly convex, so that the height of the butt joint is inconsistent, and therefore, the position of the edge of the pressure pipeline being inwardly convex needs to be adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall structure schematic diagram of the pressure pipeline misalignment adjusting device provided by the present application;
[0016] Figure 2 It is a cut structure schematic diagram of the pressure pipeline misalignment adjusting device assembly provided by the present application;
[0017] Figure 3 It is a structure schematic diagram of the tooth column and the tooth ring of the pressure pipeline misalignment adjusting device provided by the present application;
[0018] Figure 4 It is a disassembly structure schematic diagram of the mounting member and the bearing member of the pressure pipeline misalignment adjusting device provided by the present application.
[0019] Indicated in the figure: 1, mounting member; 2, tooth ring; 3, tooth column; 4, tooth bar; 5, arc-shaped member; 6, sliding groove; 7, limiting member; 8, rotating rod; 9, gear member; 10, assembly member; 11, threaded rod; 12, expansion member; 13, expansion member; 14, bearing member. DETAILED DESCRIPTION
[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.
[0021] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the utility model.
[0022] It should be noted that the embodiments and the features and technical solutions in the embodiments in the utility model can be combined with each other without conflict.
[0023] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0024] In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly placed when the product is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.
[0025] Please refer to Figures 1-4 The application provides a pressure pipeline staggered edge adjusting device, which comprises a mounting piece 1, a tooth ring 2 movably clamped on one side of the mounting piece 1, a tooth column 3 connected in meshing with the tooth ring 2, a rack 4 connected in meshing on one side of the tooth column 3, an arc-shaped piece 5 fixedly connected to one end of the rack 4, a bearing piece 14 movably clamped on one side of the tooth ring 2, a sliding groove 6 formed on one side of the bearing piece 14 and matched with the rack 4, and an identical limiting piece 7 fixedly connected to the side, away from the bearing piece 14, of the mounting piece 1.
[0026] The rotating handle is fixedly connected to one end of the rotating lever 8, one side of the mounting part 1 is fixedly connected with an assembling part 10, the middle part of the assembling part 10 is penetrated and connected with a threaded rod 11, one end of the threaded rod 11 is fixedly connected with a rotating part, one end of the threaded rod 11 is threadedly penetrated and connected with an expanding part 12, and is fixedly connected with an expanding part 13, the expanding part 13 and the expanding part 12 are placed in the inner wall of the pipeline, the number of the tooth columns 3 is three, the three tooth columns 3 are uniformly and equidistantly distributed on the tooth ring 2, the arc-shaped part 5 is arranged in the inner arc surface of the mounting part 1 and the bearing part 14, the outer surface of the expanding part 12 is provided with an expanding groove, and one end of the expanding part 12 can be connected with the inner side wall of the assembling part 10.
[0027] The above embodiments are only used to illustrate the present application and are not limited to the technical solutions described in the present application. Although the present application has been described in detail with reference to the above embodiments, the present application is not limited to the above specific embodiments, and any modification or equivalent replacement of the present application is allowed. Any technical solution and improvement which does not deviate from the spirit and scope of the present application is covered by the claims of the present application.
Claims
1. A pressure pipeline misalignment adjustment device, comprising a mounting component (1), characterized in that: A toothed ring (2) is movably engaged on one side of the mounting component (1). A toothed column (3) is engaged with the toothed ring (2). A rack (4) is engaged with one side of the rack (3). An arc-shaped component (5) is fixedly connected to one end of the rack (4). A carrier (14) is movably engaged on one side of the toothed ring (2). A groove (6) adapted to the rack (4) is provided on one side of the carrier (14). The inner arc wall of the arc-shaped component (5) fits against the outer wall of the pipe. The same limiting component (7) is fixedly connected to the side of the mounting component (1) that is away from the carrier (14).
2. The pressure pipeline misalignment adjustment device according to claim 1, characterized in that, A rotating rod (8) is movably engaged on the limiting member (7), a gear (9) is fixedly connected to the middle of the rotating rod (8), and a handle is fixedly connected to one end of the rotating rod (8).
3. The pressure pipeline misalignment adjustment device according to claim 1, characterized in that, An assembly (10) is fixedly connected to one side of the mounting component (1), and a threaded rod (11) is inserted through the middle of the assembly (10). A rotating component is fixedly connected to one end of the threaded rod (11).
4. The pressure pipeline misalignment adjustment device according to claim 3, characterized in that, One end of the threaded rod (11) is threaded through and connected to an expansion member (12), and is fixedly connected to an expansion member (13). The expansion member (13) and the expansion member (12) are placed on the inner wall of the pipe.
5. The pressure pipeline misalignment adjustment device according to claim 1, characterized in that, The number of toothed pillars (3) is three, and the three toothed pillars (3) are evenly and equidistantly distributed on the toothed ring (2). The arc-shaped component (5) is disposed in the inner arc surface of the mounting component (1) and the bearing component (14).
6. The pressure pipeline misalignment adjustment device according to claim 4, characterized in that, An expansion groove is provided on the periphery of the outer surface of the expansion member (12), and one end of the expansion member (12) can be engaged with the inner wall of the assembly (10).