Auxiliary butt joint device for pipeline welding

By designing an auxiliary docking device for pipe welding, multi-angle welding and stable clamping are achieved using a linear drive unit and an electric cylinder, solving the problems of low welding efficiency and poor results in the existing technology, and improving welding quality and efficiency.

CN223903287UActive Publication Date: 2026-02-13中庆建设有限责任公司
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Patent Information

Application Number
CN202520126444.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-13
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing technologies for pipe welding are inefficient and produce poor welding results, and manual movement of the welding torch can easily lead to positional displacement.

Method used

Design an auxiliary docking device, including a mounting base, a support frame, a telescopic frame, and a clamping mechanism. A linear drive unit drives a rotating block and a connecting rod to adjust the angle. Combined with an electric cylinder to drive a slider and a crank, multi-angle welding is achieved. The clamping block securely holds the pipe.

Benefits of technology

It improves the efficiency and effectiveness of pipe welding, ensures the stability of the pipe position during the welding process, and reduces the risk of displacement due to manual operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an auxiliary butt joint device for pipeline welding, which relates to the technical field of pipeline welding, and comprises a linear driving unit, a connecting rod, a rotating block, a telescopic frame, a screw rod and a clamping block, according to the pipeline welding device, the connecting block and the telescopic frame rotate together to achieve rotation adjustment in the pipeline welding process, multi-angle welding between pipelines is facilitated, meanwhile, the adjusting screw rod enables the clamping block to clamp the pipelines, it is guaranteed that the positions of the pipelines do not move in the welding process, and the welding effect and the working efficiency are improved; the problems that the existing pipeline welding efficiency is low, the angle of the pipeline at the welding position is difficult to adjust, meanwhile, the position of a welding gun is prone to deviation when the welding gun is manually moved for welding, and the welding effect is affected are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field, concretely relates to a supplementary butt joint device for pipeline welding. BACKGROUND

[0002] The drainage pipeline refers to the pipeline from the outlet of the drainage pump to the municipal pipeline network, also called the pressure conveying pipeline, the pipeline usually needs to be transported over a long distance, so most of them are multiple one-section pipelines, or need to cross obstacles, need to be connected with elbows, tees and other pipe fittings, need to be welded according to the specific use of multiple pipelines to meet the use.

[0003] At present, when welding two pipelines, the two pipelines are usually fixed and clamped by a fixing frame and fixing pieces, and then a welding gun is manually held to weld the connection position of the two pipelines. The welding position is relatively fixed, but the pipeline welding often needs to weld around the connection position, so manual welding along the outer wall of the pipeline is needed at this time, which is low in welding efficiency, and manual movement of the welding gun for welding is easy to cause the position of the welding gun to deviate, affecting the welding effect. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model solves the technical problem of overcoming the defects in the prior art to provide a supplementary butt joint device for pipeline welding.

[0005] A supplementary butt joint device for pipeline welding comprises a mounting base and a support frame, the support frames are arranged in pairs on the mounting base, rotating holes are formed in the support frames, connecting blocks are arranged in the rotating holes, the device further comprises oppositely arranged telescopic frames, the fixed mounting end of each telescopic frame is connected to one end of the connecting block, the working end of each telescopic frame is provided with a clamping mechanism, the other end of the connecting block is provided with an adjusting mechanism, the clamping mechanism comprises oppositely arranged clamping blocks, a screw rod and a limiting plate, the limiting plate is arranged on the telescopic frame, the screw rod is connected to the limiting plate, and the clamping blocks are arranged on the screw rod, the adjusting mechanism comprises a rotating block, a connecting rod and a linear drive unit, the rotating block is connected to the connecting block, one end of the connecting rod is hinged to the rotating block, and the other end of the connecting rod is hinged to the driving end of the linear drive unit.

[0006] Further, the linear drive unit comprises a power device, a sliding block and a sliding frame, the power device is installed in the sliding frame, the sliding block is slidingly arranged in the sliding frame, and the power output end of the power device is connected to the sliding block.

[0007] Further, the device further comprises a crank, the crank is installed at the rotation center of the rotating block, and the crank is hinged to the connecting rod.

[0008] Further, the device further comprises a circular ring plate, the circular ring plate is arranged on the telescopic frame at one end close to the clamping mechanism, and the limiting plate is installed on the circular ring plate.

[0009] Further, a plurality of clamping grooves are uniformly arranged on the rotating block, and a limiting rod corresponding to the clamping groove is arranged on the connecting rod.

[0010] Further, the device further comprises a rotating piece arranged on the screw rod away from the clamping block.

[0011] Further, the power device is an electric cylinder, the electric cylinder is installed in the sliding frame, and an output end of the electric cylinder is connected with the sliding block.

[0012] Further, the mounting base has an L-shaped cross section.

[0013] Further, a rounded corner structure is arranged at the corner edge of the mounting base.

[0014] Further, the sliding frame is a cuboid.

[0015] The technical scheme of the utility model has the following advantages:

[0016] The auxiliary butt joint device for pipeline welding provided by the utility model has the advantages that the linear driving unit drives the connecting rod to drive the rotating block to rotate for angle adjustment, so that the connecting block and the telescopic frame are rotated together to realize rotation adjustment in the pipeline welding process, which helps to weld the pipelines at multiple angles, and the screw rod is adjusted to make the clamping block clamp the pipeline, so that the position of the pipeline does not move in the welding process, and the welding effect and work efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment or the prior art, the drawings needed in the description of the embodiment or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a support frame, telescopic frame and circular ring plate structure sectional view of the utility model;

[0020] Figure 3 It is a crank, connecting rod, sliding block and sliding frame structure schematic view of the utility model;

[0021] Figure 4 It is a clamping block, screw rod, rotating piece and limiting plate structure schematic view of the utility model;

[0022] Figure 5 It isFigure 2 Close-up view at A.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 1 - mounting base; 11 - support frame; 2 - telescopic frame; 21 - circular plate; 3 - clamping mechanism; 31 - clamping block; 32 - screw rod; 321 - rotating piece; 33 - limiting plate; 4 - adjusting mechanism; 41 - rotating block; 411 - connecting block; 412 - clamping groove; 42 - crank; 43 - connecting rod; 431 - limiting rod; 44 - sliding block; 45 - sliding frame; 46 - electric cylinder. DETAILED DESCRIPTION

[0025] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between the two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0029] For example, Figures 1-4The auxiliary butt joint device for pipeline welding shown comprises a mounting base 1 and support frames 11 arranged in pairs on the mounting base 1, the support frames 11 being provided with rotating holes, and connecting blocks 411 arranged in the rotating holes, the device further comprising oppositely arranged telescopic frames 2, the fixed mounting ends of the telescopic frames 2 being connected to one ends of the connecting blocks 411, the working ends of the telescopic frames 2 being provided with clamping mechanisms 3, the other ends of the connecting blocks 411 being provided with adjusting mechanisms 4, the clamping mechanisms 3 comprising oppositely arranged clamping blocks 31, screw rods 32 and limiting plates 33, the limiting plates 33 being arranged on the telescopic frames 2, the screw rods 32 being connected to the limiting plates 33, the clamping blocks 31 being arranged on the screw rods 32, the adjusting mechanisms 4 comprising rotating blocks 41, connecting rods 43 and linear drive units, the rotating blocks 41 being connected to the connecting blocks 411, one ends of the connecting rods 43 being hinged to the rotating blocks 41, the other ends of the connecting rods 43 being hinged to driving ends of the linear drive units.

[0030] The auxiliary butt joint device for pipeline welding described above, the linear drive units driving the connecting rods 43 to further drive the rotating blocks 41 to rotate for angle adjustment, so that the connecting blocks 411 and the telescopic frames 2 rotate together to realize rotation adjustment of the device in the pipeline welding process, which helps to weld the pipelines at multiple angles, and at the same time, the screw rods 32 are adjusted to make the clamping blocks 31 clamp the pipelines, so as to ensure that the positions of the pipelines do not move during the welding process, thereby improving the welding effect and work efficiency.

[0031] As shown in the drawings, Figure 5 In the embodiment, the linear drive unit comprises a power device, a sliding block 44 and a sliding frame 45, the power device being installed in the sliding frame 45, the sliding block 44 being slidingly arranged in the sliding frame 45, and a power output end of the power device being connected to the sliding block 44; the sliding frame 45 is a cuboid, the sliding block 44 is driven by the power device to perform reciprocating linear motion in the sliding frame 45, and in turn drives the rotating block 41 to rotate for angle adjustment, so that the connecting blocks 411 and the telescopic frames 2 rotate together to realize rotation adjustment of the device in the pipeline welding process, in the embodiment, the power device is an electric cylinder 46, the electric cylinder 46 is installed in the sliding frame 45, and an output end of the electric cylinder 46 is connected to the sliding block 44; the power device can also be other devices having the same function as the electric cylinder 46, the electric cylinder 46 has the advantages of high control precision, energy saving and efficiency, low maintenance cost and high degree of intelligence, and is suitable for application in the auxiliary butt joint device.

[0032] As shown in the drawings, Figure 3 In the embodiment, the device further comprises a crank 42, the crank 42 being installed at the rotation center of the rotating block 41 and being hinged to the connecting rod 43; by additionally providing the crank 42 at the rotation center of the rotating block 41, more stable support is provided for the connecting rod 43, and the precision and stability of the process of the connecting rod 43 driving the rotating block 41 to rotate for angle adjustment are increased, thereby further increasing the reliability of the auxiliary butt joint device in use.

[0033] As shown in Figure 2 and Figure 4 shown, in this embodiment, the device further comprises a circular plate 21, which is arranged on the telescopic frame 2 near one end of the clamping mechanism 3, and the limiting plate 33 is installed on the circular plate 21; by arranging the circular plate 21 on the telescopic frame 2, a stable installation anchor point is provided for the limiting plate 33, thereby making the entire clamping mechanism 3 firmly installed on the telescopic frame 2, so that the clamping block 31 can stably clamp the pipe, ensuring that the pipe position does not move during welding, and improving the welding effect and work efficiency.

[0034] As shown in Figure 4 shown, in this embodiment, a plurality of clamping grooves 412 are uniformly arranged on the rotating block 41, and a limiting rod 431 corresponding to the clamping groove 412 is arranged on the connecting rod 43, and the limiting rod 431 is arranged on the clamping groove 412; by arranging the limiting rod 431 in the clamping groove 412, the connecting rod 43 can more stably and accurately drive the rotating block 41 to rotate for angle adjustment, and the limiting rod 431 can also be arranged in different clamping grooves 412 according to actual use conditions to meet different angle use requirements.

[0035] As shown in Figure 4 shown, in this embodiment, the device further comprises a rotating piece 321, which is arranged on the screw rod 32 away from the clamping block 31; by arranging the rotating piece 321 on the screw rod 32, it is more convenient to use the rotating piece 321 to drive the screw rod 32 to rotate and adjust when clamping and fixing the pipe, and the working efficiency during use of the device is also improved.

[0036] As shown in Figure 1 shown, in this embodiment, the cross section of the mounting base 1 is L-shaped, which provides effective space for the installation of the sliding frame 45, the connecting rod 43 and the telescopic frame 2, makes the layout of the device more reasonable, is conducive to reducing the volume of the device, and improves the space utilization; the edge of the mounting base 1 is provided with a rounded corner structure, which improves the safety of the device and avoids causing harm to personnel during use.

[0037] As shown in Figures 1-5 shown, in this embodiment, the pipe to be welded is placed inside the telescopic frame 2 along the telescopic frame 2, the rotating piece 321 is manually rotated to drive the screw rod 32 to rotate, the screw rod 32 is moved along the limiting plate 33, the clamping block 31 is driven to approach the pipe, the pipe is clamped and fixed, after clamping is completed, the electric cylinder 46 is started to drive the sliding block 44 to slide along the sliding frame 45, thereby driving the connecting rod 43 and the crank 42 to rotate, so that the rotating block 41, the connecting block 411 and the telescopic frame 2 are rotated together to realize rotation adjustment during pipe welding, and multi-angle welding between pipes is realized.

[0038] Obviously, the above embodiments are only examples for clearly illustrating the present application and are not intended to limit the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments are not required to be enumerated. The changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An auxiliary butt joining device for pipe welding, comprising: The installation base (1) and the support frame (11) are characterized in that the support frames (11) are arranged in pairs on the installation base (1), the support frame (11) is provided with a rotating hole, a connecting block (411) is arranged in the rotating hole, the device further comprises an opposite telescopic frame (2), the fixed mounting end of the telescopic frame (2) is connected with one end of the connecting block (411), the working end of the telescopic frame (2) is provided with a clamping mechanism (3), the other end of the connecting block (411) is provided with an adjusting mechanism (4), the clamping mechanism (3) comprises opposite clamping blocks (31), a screw rod (32) and a limiting plate (33), the limiting plate (33) is arranged on the telescopic frame (2), the screw rod (32) is connected with the limiting plate (33), the clamping block (31) is arranged on the screw rod (32), the adjusting mechanism (4) comprises a rotating block (41), a connecting rod (43) and a linear drive unit, the rotating block (41) is connected with the connecting block (411), one end of the connecting rod (43) is hinged with the rotating block (41), the other end of the connecting rod (43) is hinged with the driving end of the linear drive unit.

2. An abutment aid for pipe welding according to claim 1, characterized in that The linear drive unit comprises a power device, a sliding block (44) and a sliding frame (45), the power device is installed in the sliding frame (45), the sliding block (44) is slidingly arranged in the sliding frame (45), and the power output end of the power device is connected with the sliding block (44).

3. An alignment aid for pipe welding as defined in claim 1, wherein, The device further comprises a crank (42), the crank (42) is installed at the rotation center of the rotating block (41), and the crank (42) is hinged with the connecting rod (43).

4. An alignment aid for pipe welding as defined in claim 1, wherein, The device further comprises a circular ring plate (21), the circular ring plate (21) is arranged on one end of the telescopic frame (2) close to the clamping mechanism (3), and the limiting plate (33) is installed on the circular ring plate (21).

5. An alignment aid for pipe welding as defined in claim 1, wherein, A plurality of clamping grooves (412) are uniformly arranged on the rotating block (41), and a limiting rod (431) corresponding to the clamping groove (412) is arranged on the connecting rod (43) and arranged on the clamping groove (412).

6. An alignment aid for pipe welding as defined in claim 1, wherein, The device further comprises a rotating sheet (321), and the rotating sheet (321) is arranged on one end of the screw rod (32) away from the clamping block (31).

7. An abutment device for pipe welding as defined in claim 2, wherein, The power device is an electric cylinder (46), the electric cylinder (46) is installed in the sliding frame (45), and the output end of the electric cylinder (46) is connected with the sliding block (44).

8. An alignment aid for pipe welding as defined in claim 1, wherein, The cross section of the installation base (1) is L-shaped.

9. An alignment aid for pipe welding as defined in claim 1, wherein, The corner edges of the installation base (1) are provided with a chamfered structure.

10. An abutment device for pipe welding according to claim 2, wherein, The sliding frame (45) is a cuboid.