Auxiliary equipment for pipeline welding

Abstract

The utility model discloses an auxiliary device for pipeline welding, which comprises a support assembly, a mobile assembly is screwed on the support assembly, a fixed seat is rotatably provided on the mobile assembly, a first clamping portion is provided at one end of the fixed seat away from the mobile assembly, a clamping frame is detachably provided on the fixed seat, a second clamping portion is movably provided on the clamping frame, and a portion between the first clamping portion and the second clamping portion is used to clamp the pipeline. The auxiliary device for pipeline welding provided by the utility model comprises a mobile assembly is screwed on the support assembly, a fixed seat is rotatably provided on the mobile assembly, a first clamping portion is provided at one end of the fixed seat away from the mobile assembly, a clamping frame is detachably provided on the fixed seat, a second clamping portion is movably provided on the clamping frame, and a portion between the first clamping portion and the second clamping portion is used to clamp the pipeline, which can reduce the deformation of small-diameter pipelines during welding, improve welding effect and welding quality, and reduce welding costs.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline welding, and in particular relates to an auxiliary device for pipeline welding. Background Art

[0002] In the manufacturing of offshore oil underwater manifolds, the workload of pipeline welding is large. Due to thermal stress and cooling shrinkage during welding, pipelines are often deformed. At present, especially for small-diameter pipelines, due to their small diameter and thin wall, welding deformation is more likely to occur, which seriously affects the welding effect and welding quality. For this reason, cutting and re-welding are often required, which consumes a certain amount of manpower and material resources, increases costs, and also affects the progress of the construction project.

[0003] Therefore, it is urgent to design an auxiliary device for pipeline welding to solve the above-mentioned problems of welding small-diameter pipelines, which are easy to deform during welding, reduce welding effect and welding quality, and increase welding costs. Utility Model Content

[0004] In order to solve the technical problems mentioned in the background technology that welding of small diameter pipelines is easy to deform, reduce welding effect and welding quality, and increase welding cost, an auxiliary device for pipeline welding is provided to solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the specific technical scheme of the auxiliary device for pipeline welding of the utility model is as follows:

[0006] An auxiliary device for pipeline welding, characterized in that it includes a supporting assembly, a moving assembly is screwed on the supporting assembly, a fixed seat is rotatably provided on the moving assembly, a first clamping part is provided at one end of the fixed seat away from the moving assembly, a clamping frame is detachably provided on the fixed seat, a second clamping part is movably provided on the clamping frame, and the first clamping part and the second clamping part are used for clamping the pipeline.

[0007] Furthermore, a slot is provided on the fixing seat, and a boss is provided on the clamping frame, and the boss is clamped in the slot to fix the clamping frame on the fixing seat.

[0008] Furthermore, it also includes a first screw rod, the clamping frame is provided with an adjustment hole, the first screw rod is arranged through the adjustment hole, and the second clamping part is arranged at one end of the screw rod close to the first clamping part.

[0009] Furthermore, it also includes a first nut, which is arranged on the clamping frame, and the first screw is threadedly connected to the first nut. The first screw passes through the first nut and the adjustment hole in sequence to adjust the distance between the first clamping part and the second clamping part.

[0010] Furthermore, the supporting assembly includes a second screw and a third screw, the second screw and the third screw are arranged at intervals, one end of the moving assembly is screwed to the second screw, and the other end of the moving assembly is screwed to the third screw.

[0011] Furthermore, the moving assembly includes a second nut, a support rod and a third nut, one end of the support rod is connected to the second nut, the other end of the support rod is connected to the third nut, the second nut is threadedly connected to the second screw rod, and the third nut is threadedly connected to the third screw rod.

[0012] Furthermore, a first sleeve and a second sleeve are provided at one end of the fixing seat away from the first clamping portion, the first sleeve and the second sleeve are arranged at an interval, and the first sleeve and the second sleeve are both rotatably sleeved on the support rod.

[0013] Furthermore, the first clamping portion is a V-shaped clamping block, and the second clamping portion is an arc-shaped plate.

[0014] Furthermore, it also includes a first rubber pad and a second rubber pad, the first rubber pad is arranged on the first clamping part, and the second rubber pad is arranged on the second clamping part.

[0015] Furthermore, two groups of support components are provided, and the two groups of support components are fixedly connected by a fixing member, and each group of support components is provided with a first clamping portion and a second clamping portion.

[0016] The auxiliary device for pipeline welding of the utility model has the following advantages:

[0017] A moving component is screwed on a supporting component, a fixed seat is rotatably provided on the moving component, a first clamping portion is provided at one end of the fixed seat away from the moving component, a clamping frame is detachably provided on the fixed seat, a second clamping portion is movably provided on the clamping frame, and the first clamping portion and the second clamping portion are used for clamping the pipeline, which can reduce the deformation of small-diameter pipelines during welding, improve the welding effect and welding quality, and reduce the welding cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the auxiliary device for pipeline welding of the utility model;

[0019] Figure 2 A top view of the auxiliary device for pipeline welding of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the mobile assembly, the fixed seat and the clamping frame of the utility model;

[0021] Figure 4 The utility model is a schematic diagram of the structure of an auxiliary device for clamping a pipeline for pipeline welding.

[0022] Description of the markings in the figure:

[0023] 1. Support assembly; 11. Second screw rod; 12. Third screw rod; 2. Moving assembly; 21. Second nut; 22. Support rod; 23. Third nut; 3. Fixed seat; 31. First clamping part; 32. Slot; 33. First sleeve; 34. Second sleeve; 4. Clamping frame; 41. Boss; 5. Second clamping part; 6. First screw rod; 7. First nut; 8. First pipeline; 9. Second pipeline; 10. Fixed nut. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0026] Please refer to the attached Figure 1 To Attachment Figure 4 The utility model describes an auxiliary device for pipeline welding.

[0027] like Figures 1 to 3 As shown, the auxiliary device for pipeline welding in the utility model includes a support component 1, a moving component 2 is screwed on the support component 1, a fixed seat 3 is rotatably provided on the moving component 2, a first clamping portion 31 is provided at one end of the fixed seat 3 away from the moving component 2, a clamping frame 4 is detachably provided on the fixed seat 3, a second clamping portion 5 is movably provided on the clamping frame 4, and the first clamping portion 31 and the second clamping portion 5 are used to clamp the pipeline.

[0028] A moving component 2 is screwed on the supporting component 1, a fixed seat 3 is rotatably provided on the moving component 2, a first clamping portion 31 is provided at one end of the fixed seat 3 away from the moving component 2, a clamping frame 4 is detachably provided on the fixed seat 3, a second clamping portion 5 is movably provided on the clamping frame 4, and the first clamping portion 31 and the second clamping portion 5 are used for clamping the pipeline, which can reduce the deformation of the small-diameter pipeline during the welding process, improve the welding effect and welding quality, and reduce the welding cost.

[0029] Further, if Figures 1 to 3 As shown, a slot 32 is provided on the fixing seat 3, and a boss 41 is provided on the clamping frame 4. The boss 41 is clamped in the slot 32 to fix the clamping frame 4 on the fixing seat 3. The slot 32 is provided on the side wall of the fixing seat 3, and a slot 32 is provided on both side walls of the fixing seat 3. In this embodiment, the clamping frame 4 is a U-shaped clamping frame 4, and each of the two arms of the clamping frame 4 is provided with a protrusion, which is plugged into the slot 32 in a one-to-one correspondence to fix the clamping frame 4 on the fixing seat 3.

[0030] Further, if Figures 1 to 3 As shown, the auxiliary device for pipeline welding in the utility model further includes a first screw rod 6, the clamping frame 4 is provided with an adjustment hole, the first screw rod 6 is arranged through the adjustment hole, and the second clamping portion 5 is arranged at one end of the screw rod near the first clamping portion 31. The auxiliary device for pipeline welding in the utility model further includes a first nut 7, the first nut 7 is arranged on the clamping frame 4, the first screw rod 6 is screwed with the first nut 7, and the screw rod passes through the first nut 7 and the adjustment hole in sequence to adjust the distance between the first clamping portion 31 and the second clamping portion 5.

[0031] When the distance between the first clamping part 31 and the second clamping part 5 needs to be adjusted, the first screw 6 is rotated, and the first screw 6 is moved closer to or farther away from the first clamping part 31, thereby changing the clamping distance between the first clamping part 31 and the second clamping part 5, so as to facilitate clamping of the pipeline. In this embodiment, the first clamping part 31 is a V-shaped clamping block, and the second clamping part 5 is an arc-shaped plate. In order to ensure that the pipeline is not damaged when it is clamped between the first clamping part 31 and the second clamping part 5, the auxiliary device for pipeline welding in the utility model also includes a first rubber pad and a second rubber pad. The first rubber pad is arranged on the first clamping part 31, and the second rubber pad is arranged on the second clamping part 5. The first rubber pad and the second rubber pad can play a role in protecting the pipeline.

[0032] Further, if Figures 1 to 3As shown, the support assembly 1 includes a second screw rod 11 and a third screw rod 12, the second screw rod 11 and the third screw rod 12 are arranged at intervals, one end of the mobile assembly 2 is screwed to the second screw rod 11, and the other end of the mobile assembly 2 is screwed to the third screw rod 12. The mobile assembly 2 includes a second nut 21, a support rod 22 and a third nut 23, one end of the support rod 22 is connected to the second nut 21, and the other end of the support rod 22 is connected to the third nut 23, the second nut 21 is screwed to the second screw rod 11, and the third nut 23 is screwed to the third screw rod 12. By screwing the second nut 21 and the second screw rod 11, and the third nut 23 and the third screw rod 12, the position of the mobile assembly 2 on the support assembly 1 can be adjusted, which is convenient for clamping pipelines at different positions and improving the adaptability of pipeline clamping. When adjusting, it is only necessary to rotate the second screw rod 11 and the third screw rod 12, that is, the movement of the second nut 21 on the second screw rod 11 and the movement of the third nut 23 on the third screw rod 12 can be realized.

[0033] Further, if Figures 1 to 3 As shown, the first sleeve 33 and the second sleeve 34 are provided at one end of the fixing seat 3 away from the first clamping portion 31, the first sleeve 33 and the second sleeve 34 are arranged at intervals, and the first sleeve 33 and the second sleeve 34 are both rotatably sleeved on the support rod 22. In this embodiment, the fixing seat 3 can rotate 360° around the support rod 22, so as to realize clamping at different angles to adapt to welding operations of pipelines at different positions.

[0034] Further, if Figures 1 to 3 As shown, two groups of support assemblies 1 are provided, and the two groups of support assemblies 1 are fixedly connected by fixing members, and the structures of the two groups of support assemblies 1 and the first clamping parts 31 and the second clamping parts 5 on the two groups of support assemblies 1 are the same. In this embodiment, the fixing member is a fixing nut 10, and the connection of the two groups of support assemblies 1 is achieved by the fixing nut 10. In other embodiments, the two groups of support assemblies 1 can also be fixed by welding. The specific form of the fixing member is not required, as long as the two groups of support assemblies 1 can be fixedly connected. Each group of support assemblies 1 is provided with a first clamping part 31 and a second clamping part 5. By providing two groups of support assemblies 1, and each group of support assemblies 1 is provided with a first clamping part 31 and a second clamping part 5, the first pipeline 8 and the second pipeline 9 can be clamped respectively, which can reduce the deformation of small-diameter pipelines during welding, improve the welding effect and welding quality, and reduce the welding cost.

[0035] Further, if Figure 4As shown, when welding the first pipeline 8 and the second pipeline 9, in this embodiment, taking the welding of the first pipeline 8 and the second pipeline 9 at a right angle as an example, the first clamping portion 31 and the second clamping portion 5 on one set of support components 1 can clamp the first pipeline 8 horizontally, and the first clamping portion 31 and the second clamping portion 5 on the other set of support components rotate 90° relative to the support component 1 to clamp the second pipeline 9. After the first pipeline 8 and the second pipeline 9 are clamped stably, the first pipeline 8 and the second pipeline 9 can be welded, which can reduce the deformation of the pipeline during the welding process, improve the welding effect and welding quality, and reduce the welding cost. In other embodiments, the angle of rotation of the fixing seat 3 relative to the support rod 22 can be adjusted according to actual conditions, as long as it is convenient to clamp the pipeline.

[0036] The steps of using the auxiliary device for pipeline welding in the utility model are as follows:

[0037] 1. Sleeve the first sleeve 33 and the second sleeve 34 on the fixed seat 3 onto the support rod 22 to connect and fix the fixed seat 3 to the moving assembly 2;

[0038] 2. The second screw rod 11 and the second nut 21 are screwed together, and the third screw rod 12 and the third nut 23 are screwed together;

[0039] 3. The clamping frame 4 is passed around the pipeline, that is, the pipeline is placed inside the clamping frame 4, and the bosses 41 on the clamping frame 4 are plugged and fixed into the grooves on both sides of the fixing seat 3;

[0040] 4. Rotate the first screw 6 on the clamping frame 4 to rotate the first screw 6 relative to the first nut 7, adjust the distance between the first clamping portion 31 and the second clamping portion 5, and clamp the pipeline between the first clamping portion 31 and the second clamping portion 5;

[0041] 5. Rotate the fixing seat 3 to adjust the angle relative to the supporting assembly 1, and rotate the second screw 11 and the third screw 12 to adjust the position of the second nut 21 on the first screw 6 and the position of the third nut 23 on the third screw 12, so as to achieve fixed connection of the first pipeline 8 at the corresponding welding position;

[0042] 6. The first clamping part 31 and the second clamping part 5 on the other set of support components 1 clamp and fix the second pipeline 9 at the welding position. After the first pipeline 8 and the second pipeline 9 are clamped and fixed, welding operation can be performed.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An auxiliary device for pipeline welding, characterized in that: It includes a supporting component, a moving component is screwed on the supporting component, a fixed seat is rotatably provided on the moving component, a first clamping part is provided at one end of the fixed seat away from the moving component, a clamping frame is detachably provided on the fixed seat, a second clamping part is movably provided on the clamping frame, and the first clamping part and the second clamping part are used for clamping the pipeline.

2. The auxiliary device for pipeline welding according to claim 1, characterized in that: The fixing seat is provided with a card slot, the clamping frame is provided with a boss, and the boss is card-connected in the card slot to fix the clamping frame on the fixing seat.

3. The auxiliary device for pipeline welding according to claim 1, characterized in that: It also includes a first screw rod, the clamping frame is provided with an adjustment hole, the first screw rod is arranged through the adjustment hole, and the second clamping part is arranged at one end of the screw rod close to the first clamping part.

4. The auxiliary device for pipeline welding according to claim 3, characterized in that: It also includes a first nut, which is arranged on the clamping frame, and a first screw is threadedly connected to the first nut. The first screw passes through the first nut and the adjustment hole in sequence to adjust the distance between the first clamping part and the second clamping part.

5. The auxiliary device for pipeline welding according to claim 1, characterized in that: The supporting component comprises a second screw rod and a third screw rod, the second screw rod and the third screw rod are arranged at intervals, one end of the moving component is screwed to the second screw rod, and the other end of the moving component is screwed to the third screw rod.

6. The auxiliary device for pipeline welding according to claim 5, characterized in that: The moving assembly includes a second nut, a support rod and a third nut. One end of the support rod is connected to the second nut, and the other end of the support rod is connected to the third nut. The second nut is screwed to the second screw rod, and the third nut is screwed to the third screw rod.

7. The auxiliary device for pipeline welding according to claim 6, characterized in that: A first sleeve and a second sleeve are arranged at one end of the fixing seat away from the first clamping part. The first sleeve and the second sleeve are arranged at an interval. The first sleeve and the second sleeve are both rotatably sleeved on the supporting rod.

8. The auxiliary device for pipeline welding according to claim 1, characterized in that: The first clamping part is a V-shaped clamping block, and the second clamping part is an arc-shaped plate.

9. The auxiliary device for pipeline welding according to claim 1, characterized in that: The invention also includes a first rubber pad and a second rubber pad, wherein the first rubber pad is arranged on the first clamping portion, and the second rubber pad is arranged on the second clamping portion.

10. The auxiliary device for pipeline welding according to claim 1, characterized in that: Two groups of support components are provided, and the two groups of support components are fixedly connected by fixing members, and each group of support components is provided with a first clamping portion and a second clamping portion.

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