Pipeline welding alignment equipment convenient to position

By designing a pipe welding alignment device with components such as a rectangular frame and a lifting mechanism, the problem of right-angle pipe connection was solved, achieving precise positioning of the welding position and high-quality welding.

CN223947117UActive Publication Date: 2026-02-27MAANSHAN SHENGYUAN PIPELINE CO LTD
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Patent Information

Application Number
CN202520566549.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2026-02-27
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

Existing technology cannot effectively assist in aligning and welding two right-angle pipes that are not on the same plane, especially the butt joint of right-angle bends, which affects the welding quality.

Method used

A pipe welding alignment device was designed, comprising a rectangular frame, a lifting mechanism, a U-shaped frame, a limiting mounting plate, and a positioning bracket. The lifting mechanism adjusts the height and angle of the limiting mounting plate to assist in the connection of right-angle bends, and the positioning bracket is used to fix the pipe, thereby improving welding accuracy.

Benefits of technology

It enables precise docking of right-angle bends, improving the accuracy of welding positions and overall welding quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223947117U_ABST
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Abstract

The pipeline welding alignment equipment comprises a rectangular frame, a lifting mechanism is arranged at the left end of the first length side of the rectangular frame, the upper end of the lifting mechanism is connected with a U-shaped frame parallel to the width direction of the rectangular frame, and a limiting carrying plate is rotationally arranged in the U-shaped frame; a first positioning clamping seat is arranged at the right end of the second length side of the rectangular frame, a middle cross beam is arranged in the middle of the rectangular frame, a welding position fracture is formed in the middle of the middle cross beam, second positioning clamping seats are arranged at the two ends, located at the welding position fracture, of the middle cross beam respectively, and the positioning direction of the first positioning clamping seat is perpendicular to the direction of the second positioning clamping seats. According to the pipeline welding alignment equipment, two right-angle bent pipes can be in auxiliary butt joint, and the accuracy of the welding position is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding, specifically, a pipeline welding alignment equipment convenient to position. BACKGROUND

[0002] As the main way of pipeline connection, the quality of pipeline welding directly affects the safe operation of the pipeline system, and the accurate positioning of the pipeline to be welded is an important indicator affecting the welding quality.

[0003] Chinese patent CN217371201U discloses a kind of pipeline auxiliary butt joint alignment device, including bottom plate, two narrow slits are symmetrically opened in the upper side middle part of bottom plate, vertical plate is slidably embedded in narrow slit, supporting plate is fixedly connected on one side of vertical plate, the back surface of vertical plate is fixedly connected with connecting box, threaded sleeve is fixedly connected on the two side walls of connecting box, first screw rod is threadedly connected in threaded sleeve, two first screw rods are respectively rotatably connected on the two sides of operating box, and operating box is fixedly connected on the upper side middle part of bottom plate, second screw rod is rotatably connected on the upper side of supporting plate.

[0004] The pipeline auxiliary butt joint alignment device can assist the butt joint of two linear pipelines to be welded, but cannot meet the alignment work of two right-angle pipelines, especially cannot assist the butt joint of two right-angle pipelines with certain angle out of coplanar. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of pipeline welding alignment equipment convenient to position, which can assist the butt joint of two right-angle elbow pipes, and improve the accuracy of welding position.

[0006] To achieve the above-mentioned purpose, the utility model provides a kind of pipeline welding alignment equipment convenient to position, which includes rectangular frame, the left end of the first length side of the rectangular frame is provided with lifting mechanism, the upper end of the lifting mechanism is connected with U-shaped frame parallel to the width direction of the rectangular frame, the U-shaped frame is rotatably provided with limiting loading plate, the right end of the second length side of the rectangular frame is provided with first positioning seat, the middle part of the rectangular frame is provided with intermediate crossbeam, the middle part of the intermediate crossbeam is provided with welding position fracture, the two ends of the intermediate crossbeam located at the welding position fracture are respectively provided with one second positioning seat, and the positioning direction of the first positioning seat is perpendicular to the direction of the second positioning seat.

[0007] Preferably, the first positioning seat and the second positioning seat are the same structure, both including lower supporting block fixedly connected with the rectangular frame, and upper cover plate detachably covered on the lower supporting block, and the lower supporting block and the upper cover plate form a circular hole for clamping the pipeline.

[0008] Preferably, the lower supporting block is provided with screw holes at both ends, the upper cover plate is provided with through holes coaxial with the screw holes, and screws are inserted into the through holes and screwed into the screw holes.

[0009] Preferably, the lifting mechanism is a cylinder or a linear stepping motor mounted at the bottom side of the first length side of the rectangular frame, and the shaft of the cylinder or the linear stepping motor penetrates the first length side and connects the U-shaped frame.

[0010] Preferably, the U-shaped frame comprises a bottom plate fixedly connected with the shaft and side plates fixedly connected with both ends of the bottom plate, both ends of the limiting loading plate are provided with rotating shafts, and the side plates are provided with rotating holes for mounting the rotating shafts.

[0011] Preferably, the outer surface of the outer side plate is provided with an angle scale around the rotating hole, and the outer end of the rotating shaft is fixedly connected with a pointer pointing to the angle scale.

[0012] Preferably, the pointer is perpendicular to the limiting loading plate, and when the pointer points vertically upward, the value on the angle scale is 0.

[0013] Preferably, the rectangular frame is provided with supporting legs at four corners.

[0014] According to the above technical scheme, the utility model provides a pipe welding alignment equipment convenient to position, which comprises a rectangular frame, the left end of the first length side of the rectangular frame is provided with a lifting mechanism, the upper end of the lifting mechanism is connected with a U-shaped frame parallel to the width direction of the rectangular frame, a limiting loading plate is rotatably arranged in the U-shaped frame, the right end of the second length side of the rectangular frame is provided with a first positioning seat, the middle part of the rectangular frame is provided with an intermediate cross beam, the middle part of the intermediate cross beam is provided with a welding position fracture, and the intermediate cross beam is provided with a second positioning seat at both ends of the welding position fracture.

[0015] The pipe welding alignment device has the following advantages: before welding, the first right-angle pipe is taken out, the pipe bodies of the first right-angle pipe in two different extension directions are respectively clamped and fixed by the first positioning clamping seat and the second positioning clamping seat adjacent to the first positioning clamping seat and are kept in a horizontal placement state, then the second right-angle pipe is taken out, the pipe body of the second right-angle pipe extending in the width direction is clamped by another second positioning clamping seat, and the end portion of the pipe body is kept in abutment with the first right-angle pipe, then the other pipe body of the second right-angle pipe is carried on the limiting carrying plate, the supporting height of the other pipe body of the second right-angle pipe is adjusted by the lifting mechanism, that is, the inclination angle of the second right-angle pipe is adjusted, and the lifting mechanism is stopped when the required angle is reached. Finally, the position of the abutment of the first right-angle pipe and the second right-angle pipe at the welding position is circumferentially welded. The pipe welding alignment device can assist in abutting the two right-angle elbows and improve the accuracy of the welding position.

[0016] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with the following specific embodiments, but do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 is a welding state schematic view of a preferred embodiment of the pipe welding alignment device;

[0019] Figure 2 is Figure 1 is a local enlarged structure schematic view of the A area in the figure.

[0020] BRIEF DESCRIPTION OF DRAWINGS

[0021] 1-rectangular frame; 2-supporting leg column; 3-first right-angle pipe; 4-second right-angle pipe; 5-lower supporting block; 6-intermediate cross beam; 7-welding position break; 8-cylinder or linear stepper motor; 9-upper cover plate; 10-screw; 11-bottom plate; 12-side plate; 13-angle scale; 14-limiting carrying plate; 15-rotation shaft; 16-needle. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, and are not used to limit the present application.

[0023] In the utility model, in the case that no opposite statement is made, the orientation words such as up and down, left and right, front and back, inside and outside contained in the term only represent the orientation of the term in the normal use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the term.

[0024] Referring to Figures 1-2 The pipeline welding alignment device convenient to position shown in the utility model, including the first length side left end of rectangular frame 1 is provided with lifting mechanism, the upper end of lifting mechanism is connected with the U-shaped frame parallel to the width direction of rectangular frame 1, the U-shaped frame is rotatably provided with limit loading plate 14, the right end of the second length side of rectangular frame 1 is provided with first positioning seat, the middle part of rectangular frame 1 is provided with intermediate crossbeam 6, the middle part of intermediate crossbeam 6 is provided with welding position fracture 7, the both ends of intermediate crossbeam 6 located welding position fracture 7 are provided with one second positioning seat respectively, the positioning direction of first positioning seat is perpendicular to the direction of second positioning seat.

[0025] Through the implementation of the above technical scheme, before welding, first right-angle pipeline 3 is taken out, the pipe bodies of first right-angle pipeline 3 in two different extension directions are respectively clamped and fixed through first positioning seat and the second positioning seat adjacent to it, and are kept in horizontal placement state, then second right-angle pipeline 4 is taken out, the pipe body of second right-angle pipeline 4 extending along the width direction is clamped through another second positioning seat, and the end thereof is kept in butt joint with first right-angle pipeline 3, then another pipe body of second right-angle pipeline 4 is loaded on limit loading plate 14, the support height of another pipe body of second right-angle pipeline 4 on limit loading plate 14 is adjusted through the rising or falling of lifting mechanism, that is, the inclination angle of second right-angle pipeline 4 can be adjusted, and the work of lifting mechanism is stopped when the required angle is reached.Finally, the position of the butt joint of first right-angle pipeline 3 and second right-angle pipeline 4 at welding position fracture 7 is circumferentially welded.The pipeline welding alignment device can assist in butt joint of two right-angle elbow pipes, and improve the accuracy of welding position.

[0026] In the embodiment, in order to further provide a structure of first positioning seat and second positioning seat, the structure of first positioning seat and second positioning seat is same, and both include lower supporting block 5 fixedly connected with rectangular frame 1, and upper cover plate 9 detachably covered on lower supporting block 5, and the lower supporting block 5 and the upper cover plate 9 form circular hole for clamping pipeline. The upper half circular groove is arranged on the upper end of the lower supporting block 5, the lower half circular groove is arranged on the lower end of the upper cover plate 9, and the upper half circular groove and the lower half circular groove can clamp and limit the first right-angle pipeline 3 or the second right-angle pipeline 4 after cooperation.

[0027] In this embodiment, the lower supporting block 5 is provided with screw holes at both ends, the upper cover plate 9 is provided with through holes coaxial with the screw holes at both ends, and screws 10 are inserted into the through holes and screwed into the screw holes. Through such arrangement, the upper cover plate 9 is fixed by screwing the screws 10 into the screw holes after being inserted into the through holes.

[0028] In this embodiment, in order to further provide a lifting mechanism, the lifting mechanism is a gas cylinder or a linear stepping motor 8 mounted at the bottom side of the first length side of the rectangular frame 1, and the shaft body of the gas cylinder or the linear stepping motor 8 penetrates through the first length side and connects the U-shaped frame.

[0029] In this embodiment, in order to further provide a U-shaped frame, the U-shaped frame includes a bottom plate 11 fixedly connected with the shaft body and side plates 12 fixedly connected with both ends of the bottom plate 11, both ends of the limiting mounting plate 14 are provided with rotating shafts 15, and the side plates 12 are provided with rotating holes for mounting the rotating shafts 15. The limiting mounting plate 14 is in contact connection with the pipe body away from the first right-angle pipe 3 at one end of the second right-angle pipe 4, and the limiting mounting plate 14 rotates with the pipe body, and the two are always in parallel.

[0030] In this embodiment, the outer surface of the outer side plate 12 is provided with an angle scale 13 around the rotating hole, and the outer end of the rotating shaft 15 is fixedly connected with a pointer 16 pointing to the angle scale 13. Since the limiting mounting plate 14 rotates with the second right-angle pipe 4, the inclination angle of the second right-angle pipe 4 is the same as that of the limiting mounting plate 14, so the inclination angle of the limiting mounting plate 14 can be used instead of the inclination angle of the second right-angle pipe 4. The angle read by the pointer 16 is the inclination angle of the second right-angle pipe 4. Therefore, the inclination angle of the second right-angle pipe 4 after welding can be more accurately controlled, and the welding precision is improved.

[0031] In this embodiment, in order to facilitate reading of the angle value, the pointer 16 is perpendicular to the limiting mounting plate 14, and when the pointer 16 points vertically upward, the value on the angle scale 13 is 0. The uppermost end of the angle scale 13 is 0, and the value gradually increases in the clockwise direction.

[0032] In this embodiment, in order to further provide a rectangular frame 1, support legs 2 are arranged at four corners of the rectangular frame 1.

[0033] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0034] In addition, it should be noted that the various specific technical features described in the foregoing detailed description can be combined in any suitable manner, and that the application contemplates all possible combinations of features, unless otherwise indicated herein.

[0035] Furthermore, the various embodiments of the application can also be combined with each other, as long as they do not contradict the spirit of the application, and they should also be considered as disclosed by the application.

Claims

1. A pipe welding alignment apparatus that facilitates positioning, characterized by, The pipeline welding alignment device comprises a rectangular frame (1), the left end of the first length side of the rectangular frame (1) is provided with a lifting mechanism, the upper end of the lifting mechanism is connected with a U-shaped frame parallel to the width direction of the rectangular frame (1), a limiting loading plate (14) is rotatably arranged in the U-shaped frame, the right end of the second length side of the rectangular frame (1) is provided with a first positioning clamping seat, the middle part of the rectangular frame (1) is provided with an intermediate cross beam (6), the middle part of the intermediate cross beam (6) is provided with a welding position fracture (7), the two ends of the intermediate cross beam (6) located at the two ends of the welding position fracture (7) are respectively provided with a second positioning clamping seat, and the positioning direction of the first positioning clamping seat is perpendicular to the direction of the second positioning clamping seat.

2. The pipe welding alignment apparatus of claim 1, wherein, The first positioning clamping seat and the second positioning clamping seat are the same in structure; Both comprise a lower supporting block (5) fixedly connected with the rectangular frame (1) and an upper cover plate (9) detachably covered on the lower supporting block (5), and a circular hole for clamping a pipeline is formed between the lower supporting block (5) and the upper cover plate (9).

3. The pipe welding alignment apparatus of claim 2, wherein, Both ends of the lower supporting block (5) are provided with screw holes, both ends of the upper cover plate (9) are provided with through holes coaxial with the screw holes, and screws (10) screwed into the screw holes are inserted into the through holes.

4. The pipe welding alignment apparatus of claim 1, wherein, The lifting mechanism is a pneumatic cylinder or a linear stepping motor (8) mounted at the bottom side of the first length side of the rectangular frame (1), and the shaft body of the pneumatic cylinder or the linear stepping motor (8) penetrates the first length side and is connected with the U-shaped frame.

5. The pipe welding alignment apparatus of claim 4, wherein, The U-shaped frame comprises a bottom plate (11) fixedly connected with the shaft body and side plates (12) fixedly connected with both ends of the bottom plate (11), both ends of the limiting loading plate (14) are provided with rotating shafts (15), and the side plates (12) are provided with rotating holes for mounting the rotating shafts (15).

6. The pipe welding alignment apparatus of claim 5, wherein, The outer surface of the outer side of the side plate (12) is provided with an angle scale (13) around the rotating hole, and the outer end of the rotating shaft (15) is fixedly connected with a pointer (16) pointing to the angle scale (13).

7. The pipe welding alignment apparatus of claim 6, wherein, The pointer (16) is arranged to be perpendicular to the limiting loading plate (14), and when the pointer (16) vertically points upward, the value corresponding to the angle scale (13) is 0.

8. The pipe welding alignment apparatus of claim 1, wherein, Supporting legs (2) are arranged at the four corners of the rectangular frame (1).

Citation Information

Patent Citations

  • Pipeline butt welding alignment device

    CN217371201U