A device for reducing stress during equipment installation and welding.

Abstract

This utility model discloses a device for reducing stress during equipment installation and welding. The device includes a frame with a hollow interior. A first plate is positioned at the bottom of the frame, and several displacement components are mounted on the top surface of the first plate. A second plate is positioned inside the frame and movably mounted on the displacement components. A hoist is positioned at the center of the top surface of the second plate, and a support frame is mounted on the output shaft of the hoist. A movably connected support plate, which is semi-circular in shape, is positioned on the inner side of the top of the support frame. Compared to the traditional method of directly supporting pipes with a frame, this utility model can eliminate stress in the pipe during welding, ensuring weld quality. It can accommodate pipes of different heights and angles, reducing the need for manufacturing corresponding devices.

Description

Technical Field

[0001] This utility model relates to the field of pipeline installation and welding technology, and in particular to the installation and welding of nuclear-grade pipelines. Background Technology

[0002] During the installation and welding process of nuclear island pipelines, steel frames are used to support the pipelines. However, existing nuclear island pipelines still have at least the following problems during installation and welding:

[0003] (1) During the welding process, the pipe will swing due to the welding effect. Using a steel frame for support will lead to stress accumulation at the weld.

[0004] (2) If the pipe has an angle, the contact surface may not be able to fully fit the pipe, increasing the risk of shaking. Utility Model Content

[0005] This invention aims to solve the problem of stress accumulation during pipe welding in the prior art. Therefore, one objective of this invention is to provide a device that allows the pipe to move freely during the welding process, thereby eliminating stress accumulation and other problems caused by enabling the pipe to move freely in the x and y axes during welding.

[0006] To achieve the above objectives, this utility model proposes:

[0007] A device for reducing stress during equipment installation and welding includes a frame, the frame being hollow inside, a first plate being provided at the bottom of the frame, a plurality of displacement members being provided on the top surface of the first plate, a second plate being provided inside the frame, the second plate being movably mounted on the displacement members, a gate hoist being provided at the center of the top surface of the second plate, a support frame being provided on the output shaft of the gate hoist, and a movably connected support plate being provided on the inner side of the top of the support frame, the support plate being semi-circular.

[0008] Preferably, a through hole is provided on all four sides of the frame, a nut is provided in the through hole of the frame, a set screw is installed in the nut, the set screw is adapted to the nut, and one end of the set screw abuts against the second plate.

[0009] Preferably, a limiting plate is provided at each of the four corners of the top surface of the frame, and the second plate is installed below the limiting plate.

[0010] Preferably, the support frame consists of a horizontal channel steel and two vertical channel steels, with the two vertical channel steels respectively installed at both ends of the horizontal channel steel, and through holes opened at the top of the two vertical channel steels.

[0011] Preferably, the support plate is provided with connecting shafts on both sides, and one end of the connecting shaft is installed in the through hole of the channel steel.

[0012] Preferably, the displacement element is a spherical ball.

[0013] Preferably, both the first plate and the second plate have through holes at their center positions.

[0014] Preferably, a base is provided below the first flat plate.

[0015] The beneficial effects of this utility model are:

[0016] 1. When the pipe is subjected to a horizontal force during the welding process, the pipe can move in the horizontal direction to eliminate the stress generated during the welding process. After the pipe welding is completed, the pipe is fixed in the xy axis direction by adjusting the set screws around the frame.

[0017] 2. The hoist of this utility model serves to adjust the height of the pipeline before installation and can adapt to pipelines of different heights.

[0018] 3. The semi-circular arc plate support plate of this utility model can increase the contact area with the pipe and prevent the device from being subjected to excessive force on the pipe and leaving indentations on the pipe.

[0019] 4. Compared with the traditional method of directly supporting pipes with a frame, this utility model can eliminate the stress in the pipe during the pipe welding process, ensure the quality of the weld, and can be used with pipes of different heights and angles, reducing the manufacturing of corresponding devices.

[0020] The features and advantages of this utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Attached Figure Description

[0021] Figure 1 This is a perspective view of the entire utility model;

[0022] Figure 2 This is an exploded view of part of this utility model;

[0023] Figure 3 This is a perspective view of the first flat plate and the displacement component of this utility model.

[0024] Reference numerals in the attached drawings: 1. Frame, 2. First plate, 3. Displacement component, 4. Second plate, 5. Hoist, 6. Support frame, 7. Support plate, 8. Top screw, 9. Limiting plate, 10. Connecting shaft, 11. Base. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses consistent with some aspects of this application as detailed in the appended claims.

[0027] The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, the technical or scientific terms used in this application should be understood in their ordinary sense by one of ordinary skill in the art to which this utility model pertains. The words “a” or “one” and similar terms used in this application specification and claims do not indicate a limitation of quantity, but rather indicate the presence of at least one. “A plurality” includes two, equivalent to at least two. The words “comprising” or “including” and similar terms mean that the element or object preceding “comprising” or “including” covers the element or object listed following “comprising” or “including” and its equivalents, and does not exclude other elements or objects. The words “connected” or “linked” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this application specification and appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more associated listed items.

[0028] Please refer to the following for details. Figure 1-3 A device for reducing stress during equipment installation and welding includes a frame 1, which is hollow inside and made of steel. A first plate 2 is provided at the bottom of the frame 1, and eight displacement members 3 are provided on the top surface of the first plate 2. A second plate 4 is provided inside the frame 1 and is movably mounted on the displacement members 3. The displacement members 3 support the second plate 4 so that it can be moved within the frame 1 to realize the movement of the pipeline in the xy-axis direction. A hoist 5 is provided at the center of the top surface of the second plate 4. A support frame 6 is provided on the output shaft of the hoist 5. A support plate 7 is movably connected to the inner side of the top of the support frame 6. The support plate 7 is semi-circular. The movement of the pipeline in the z-axis direction is achieved by adjusting the hoist 5, and the pitch angle of the pipeline is adjusted by the support plate 7.

[0029] In this embodiment, the displacement component 3 is a universal ball, specifically the SP-76 universal ball manufactured and sold by Huiju Universal Ball Company. The second plate 4 can move on the universal ball, thereby adjusting the position of the pipe in the xy axis direction.

[0030] In this embodiment, the gate hoist 5 is a manual screw gate hoist 5, which can adjust the height of the support frame 6 and the support plate 7, thereby adjusting the height of the pipeline.

[0031] Furthermore, each of the four sides of the frame 1 has a through hole, and a nut is installed in the through hole of the frame 1. A set screw 8 is installed in the nut and is adapted to the nut. Adjusting the set screw 8 so that it abuts against the second plate 4 can restrict the movement of the second plate 4. The four set screws 8 can restrict the second plate 4 in all directions.

[0032] Furthermore, a limiting plate 9 is provided at each of the four corners of the top surface of the frame 1, and the second plate 4 is installed below the limiting plate 9. The limiting plate 9 restricts the second plate 4 to prevent the second plate 4 from falling off the top of the frame 1.

[0033] Furthermore, the support frame 6 is welded together from a horizontal channel steel and two vertical channel steels. The two vertical channel steels are respectively installed at both ends of the horizontal channel steel, and through holes are opened at the top of the two vertical channel steels. Connecting shafts 10 are provided on both sides of the support plate 7, with one end of the connecting shaft 10 installed in the through hole of the channel steel. Based on the above design, the support plate 7 can rotate around the support frame 6 through the connecting shaft 10, which facilitates the adjustment of the pipe pitch angle.

[0034] In this embodiment, the connecting shaft 10 is a round steel bar, and the diameter of the connecting shaft 10 is slightly smaller than the through hole on the channel steel.

[0035] Furthermore, both the first plate 2 and the second plate 4 have through holes at their center positions.

[0036] Furthermore, a base 11 is provided below the first flat plate 2.

[0037] This utility model discloses a device for reducing stress during equipment installation and welding, and its manufacturing steps are as follows:

[0038] S1. Weld connecting shafts 10 to both sides of the support plate 7, align them with the through holes on the support frame 6, and install the support plate 7 on the support frame 6.

[0039] S2. Weld multiple displacement components 3 on the first platform, place the second platform on the displacement components 3, put on the frame 1 and weld it;

[0040] S3. Weld the nut into the through hole of frame 1 and install the set screw 8, wherein the set screw 8 and the second platform should be at the same height;

[0041] S4. Weld the hoist 5 onto the second platform, and weld the support frame 6 onto the upper part of the output shaft of the hoist 5.

[0042] S5. Weld the first platform onto the base 11.

[0043] This utility model is a device for reducing stress during equipment installation and welding. Its usage steps are as follows:

[0044] S1. Use a total station to mark the location of the pipeline on the ground;

[0045] S2. Erect this device on the ground, and adjust the height of the support plate 7 according to the height using the hoist 5;

[0046] S3. Use a hand chain hoist to adjust the pipe and place it on the support plate 7. At the same time, loosen the screw on the frame 1 so that the pipe can move freely in the xy axis direction.

[0047] S4. During the welding process, the pipe can swing on the xy axis, which helps to reduce the stress accumulated during the welding process. After the welding is completed, the second platform inside the frame 1 is held in place by a screw rod to limit the displacement, which facilitates the subsequent installation of the pipe.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An apparatus for reducing stress in a device mounting welding process, characterized by, The device includes a frame, which is hollow inside. A first plate is provided at the bottom of the frame, and a plurality of displacement components are provided on the top surface of the first plate. A second plate is provided inside the frame and is movably mounted on the displacement components. A gate hoist is provided at the center of the top surface of the second plate. A support frame is provided on the output shaft of the gate hoist. A support plate, which is semi-circular, is provided on the inner side of the top of the support frame.

2. The apparatus for reducing stress during installation welding process as claimed in claim 1 wherein, A through hole is provided on all four sides of the frame, and a nut is provided in the through hole of the frame. A set screw is installed in the nut. The set screw is adapted to the nut, and one end of the set screw abuts against the second plate.

3. The apparatus for reducing stress in a field weld process of claim 2, wherein, A limiting plate is provided at each of the four corners of the top surface of the frame, and the second plate is installed below the limiting plate.

4. The apparatus for reducing stress during installation welding process according to claim 1, wherein, The support frame consists of a horizontal channel steel and two vertical channel steels. The two vertical channel steels are respectively installed at both ends of the horizontal channel steel, and through holes are opened at the top of the two vertical channel steels.

5. The apparatus for reducing stress in a field weld process of claim 4, wherein, The support plate is provided with connecting shafts on both sides, and one end of the connecting shaft is installed in the through hole of the channel steel.

6. The apparatus for reducing stress in a field weld process of claim 1, wherein, The displacement component is a universal ball joint.

7. The apparatus for reducing stress in a field weld process of claim 1, wherein, Both the first and second flat plates have through holes at their center positions.

8. The apparatus for reducing stress in a field installation welding procedure of claim 7, wherein, A base is provided below the first flat plate.

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