Petrochemical pipe assembly welding mechanism

By designing a welding mechanism for petrochemical pipe assemblies, and utilizing components such as channel steel, support frame, support sleeve, and drive motor, the problem of inaccurate positioning in petrochemical pipe welding was solved, achieving rapid and accurate positioning and automatic rotation welding, thereby improving welding efficiency and reducing the error rate.

CN223762348UActive Publication Date: 2026-01-06QINGDAO YUANDING THERMAL & ENVIRONMENTAL ENG CO LTD
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Patent Information

Application Number
CN202520280834.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-01-06
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

In the current petrochemical pipe manufacturing process, the welding equipment cannot accurately position the petrochemical pipe, resulting in low welding efficiency and a high error rate.

Method used

A petrochemical pipe assembly welding mechanism was designed, including components such as channel steel, support frame, support sleeve, support wheel, positioning bolt and drive motor, which realizes precise positioning and automatic rotation welding of petrochemical pipes.

Benefits of technology

It enables rapid and precise positioning and automatic rotary welding of petrochemical pipes, improving welding efficiency and reducing the error rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a petrochemical pipe assembly welding mechanism which comprises channel steel, two petrochemical pipe bodies are arranged at the top end of the channel steel, a supporting seat is fixedly connected to one side of the top end of the channel steel, and the center line of the supporting seat and the center line of the channel steel are located on the same vertical plane. A supporting structure used for rapidly positioning the petrochemical pipe body is arranged at the top end of the steel channel. According to the petrochemical pipe assembly welding mechanism, the petrochemical pipe bodies, the supporting frame, the supporting sleeve plates and the supporting wheels are arranged, and before welding, the two petrochemical pipe bodies are placed at the top ends of the two supporting wheels at the top of the supporting frame, so that the supporting wheels at the two ends are attached to the two ends of the petrochemical pipe bodies; the petrochemical pipe bodies are supported through the two sets of supporting sleeve plates at the top of the supporting frame, so that precise butt joint of the two sets of petrochemical pipe bodies is guaranteed, the two sets of petrochemical pipe bodies are effectively positioned to guarantee the stability of the petrochemical pipe bodies during follow-up welding, and the problem that precise positioning cannot be conveniently conducted on the petrochemical pipe bodies is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to petrochemical pipe group welding technical field, concretely is a petrochemical pipe group butt welding mechanism. BACKGROUND

[0002] Petrochemical pipe is a kind of metal pipe material specially used in petrochemical field, and because petrochemical pipe is generally longer, sectional production and then welding are usually used in manufacturing, but pipe segment is processed after bevel, and because of length and weight and various factors, assembly welding is not easy to operate, and the traditional technology uses simple frame body to support welding, which is not only time-consuming and laborious, but also has high failure rate, so now welding device specially used for petrochemical pipe manufacturing is needed to support petrochemical pipe;

[0003] But the supporting device used for petrochemical pipe manufacturing still has some defects in use, and the petrochemical pipe cannot be accurately positioned and supported during welding, so repeated adjustment is needed, which affects welding efficiency;

[0004] Now a new type of petrochemical pipe group butt welding mechanism is proposed to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a petrochemical pipe group butt welding mechanism to solve the problem of not being able to conveniently and accurately position petrochemical pipes in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a petrochemical pipe group butt welding mechanism, comprising a channel steel, two groups of petrochemical pipe bodies are arranged at the top end of the channel steel, a support seat is fixedly connected to one side of the top end of the channel steel, the center line of the support seat and the center line of the channel steel are on the same vertical plane, and a support structure for quickly positioning the petrochemical pipe bodies is arranged at the top end of the channel steel.

[0007] The support structure comprises a support frame, two groups of support frames are fixedly connected to the two sides of the top end of the channel steel, fixed sleeve plates are fixedly connected to the two ends of the top of the support frame, support sleeve plates are movably connected in the fixed sleeve plates, and support wheels are movably connected to one end in the support sleeve plates.

[0008] As a further technical scheme of the utility model, the support wheels are movably connected to the petrochemical pipe bodies, and the fixed sleeve plates at the two ends of the top of the support frame are symmetrically arranged.

[0009] As a further technical scheme of the utility model, the center line of the support frame and the center line of the petrochemical pipe body are on the same vertical plane.

[0010] As a further technical scheme of the utility model, one side of the supporting sleeve plate is provided with an adjusting groove, two groups of positioning pegs are movably connected to the two sides of the fixed sleeve plate respectively, and one end of the supporting sleeve plate is fixedly connected with a handle.

[0011] As a further technical scheme of the utility model, the positioning pegs are slidably connected with the adjusting grooves, and the positioning pegs are movably connected with the supporting sleeve plate.

[0012] As a further technical scheme of the utility model, the top end of the supporting base is fixedly connected with a mounting rack, the inside of the mounting rack is fixedly connected with a speed reducer, one side of the speed reducer is fixedly connected with a driving motor, the output end of the speed reducer is fixedly connected with a connecting sleeve, one side of the connecting sleeve is fixedly connected with a universal joint, one side of the universal joint is fixedly connected with a fixed sleeve, the two ends of the fixed sleeve are provided with threaded holes, and the inside of the threaded holes is movably connected with positioning bolts.

[0013] As a further technical scheme of the utility model, the positioning bolts are movably connected with the petrochemical pipe bodies, and the center line of the fixed sleeve is on the same horizontal plane as the center line of the petrochemical pipe bodies.

[0014] As a further technical scheme of the utility model, the center line of the universal joint is on the same vertical plane as the center line of the fixed sleeve, and the output end of the driving motor is fixedly connected with the input end of the speed reducer.

[0015] Compared with the prior art, the petrochemical pipe group butt welding mechanism can not only quickly and accurately position the petrochemical pipes, but also adjust the spacing of the supporting structure to support pipe fittings of different diameters, and automatically rotate the pipe fittings to facilitate welding.

[0016] (1) By arranging the petrochemical pipe bodies, supporting racks, supporting sleeve plates and supporting wheels, two groups of petrochemical pipe bodies are placed on the top ends of the two groups of supporting wheels on the top of the supporting rack before welding, so that the two ends of the supporting wheels are attached to the two ends of the petrochemical pipe bodies, and the petrochemical pipe bodies are supported by the two groups of supporting sleeve plates on the top of the supporting rack to ensure accurate butt joint of the two groups of petrochemical pipe bodies and effectively position the two groups of petrochemical pipe bodies to ensure the stability of the petrochemical pipe bodies during subsequent welding, thereby achieving quick and accurate positioning of the petrochemical pipe bodies for welding.

[0017] (2) By being provided with support frame, handle, fixed sleeve plate, support sleeve plate, support wheel, positioning bolt and adjusting groove, before welding, the positioning bolt on both sides of the fixed sleeve plate can be rotated to be separated from one end of the support sleeve plate, then the support sleeve plate can be moved by the handle, the support sleeve plate on both ends is adjusted to appropriate interval and kept symmetrical according to the diameter of the petrochemical pipe body to be welded, then the positioning bolt is rotated to be attached to both ends of the support sleeve plate to position the support sleeve plate, the interval of the support wheel can be adjusted to support petrochemical pipe bodies with different diameters;

[0018] (3) By being provided with positioning bolt, fixed sleeve, universal joint, connecting sleeve, speed reducer, driving motor and support wheel, before welding, when positioning the petrochemical pipe body, one side of a group of petrochemical pipe bodies is inserted into the inside of the fixed sleeve, then the positioning bolt on both ends is rotated to be attached to the outside of the petrochemical pipe body to be connected with the petrochemical pipe body through the positioning bolt, after welding the top of the connecting part, the driving motor is started to drive the connecting sleeve to rotate through the speed reducer, the connecting sleeve drives the fixed sleeve to rotate through the universal joint, finally the fixed sleeve drives the petrochemical pipe body to rotate to facilitate welding through the argon arc welding machine, the petrochemical pipe body can be automatically rotated for welding. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0020] Figure 2 It is a support frame side view structure schematic view of the utility model;

[0021] Figure 3 It is a Figure 2 It is an enlarged structure schematic view of A place in the utility model;

[0022] Figure 4 It is a fixed sleeve side view sectional enlarged structure schematic view of the utility model.

[0023] In the drawing: 1, channel steel; 2, petrochemical pipe body; 3, positioning bolt; 4, fixed sleeve; 5, universal joint; 6, connecting sleeve; 7, speed reducer; 8, driving motor; 9, mounting frame; 10, support seat; 11, support frame; 12, handle; 13, fixed sleeve plate; 14, support sleeve plate; 15, support wheel; 16, positioning bolt; 17, adjusting groove; 18, screw hole. DETAILED DESCRIPTION

[0024] With reference to the drawings and embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] Embodiment: Please refer to Figures 1-4 A petrochemical pipe butt welding mechanism, comprising a channel steel 1, two groups of petrochemical pipe bodies 2 are arranged at the top end of the channel steel 1, a support seat 10 is fixedly connected to one side of the top end of the channel steel 1, the center line of the support seat 10 and the center line of the channel steel 1 are on the same vertical plane, and a support structure for quickly positioning the petrochemical pipe bodies 2 is arranged at the top end of the channel steel 1.

[0026] The support structure comprises a support frame 11, two groups of support frames 11 are fixedly connected to the two sides of the top end of the channel steel 1, fixed sleeve plates 13 are fixedly connected to the two ends of the top of the support frame 11, support sleeve plates 14 are movably connected in the fixed sleeve plates 13, and support wheels 15 are movably connected to one end in the support sleeve plates 14.

[0027] The support wheels 15 are movably connected to the petrochemical pipe bodies 2, and the fixed sleeve plates 13 at the two ends of the top of the support frame 11 are symmetrically arranged.

[0028] The center line of the support frame 11 and the center line of the petrochemical pipe bodies 2 are on the same vertical plane.

[0029] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , before welding, the two groups of petrochemical pipe bodies 2 are placed at the top ends of the two groups of support wheels 15 on the top of the support frame 11, so that the support wheels 15 at the two ends are attached to the two ends of the petrochemical pipe bodies 2, and the two groups of petrochemical pipe bodies 2 are supported by the two groups of support sleeve plates 14 on the top of the support frame 11, so as to ensure accurate butt joint of the two groups of petrochemical pipe bodies 2 and effectively position the two groups of petrochemical pipe bodies 2 to ensure the stability of the petrochemical pipe bodies 2 during subsequent welding, thereby realizing quick and accurate positioning of the petrochemical pipe bodies 2 for welding.

[0030] An adjusting groove 17 is formed in one side of the support sleeve plate 14, two groups of positioning pins 16 are movably connected to the two sides of the fixed sleeve plate 13, and a handle 12 is fixedly connected to one end of the support sleeve plate 14.

[0031] The positioning pins 16 are slidably connected to the adjusting groove 17, and the positioning pins 16 are movably connected to the support sleeve plate 14.

[0032] Specifically, as shown in Figure 1 , Figure 2 and Figure 3As shown, before welding, the positioning bolts 16 on both sides of the fixed sleeve plate 13 can be rotated to disengage it from one end of the support sleeve plate 14. Then, the support sleeve plate 14 can be moved by the handle 12. The support sleeve plates 14 at both ends are adjusted to a suitable distance and kept symmetrical according to the diameter of the petrochemical pipe body 2 to be welded. After that, the positioning bolts 16 are rotated to fit against both ends of the support sleeve plate 14 to position the support sleeve plate 14. This allows the spacing of the support wheels 15 to be adjusted to support petrochemical pipe bodies 2 of different diameters.

[0033] A mounting bracket 9 is fixedly connected to the top of the support base 10. A reducer 7 is fixedly connected inside the mounting bracket 9. A drive motor 8 is fixedly connected to one side of the reducer 7. A connecting sleeve 6 is fixedly connected to the output end of the reducer 7. A universal joint 5 is fixedly connected to one side of the connecting sleeve 6. A fixing sleeve 4 is fixedly connected to one side of the universal joint 5. Threaded holes 18 are opened at both ends of the fixing sleeve 4. A positioning bolt 3 is movably connected inside the threaded holes 18.

[0034] The positioning bolt 3 is movably connected to the petrochemical pipe body 2, and the center line of the fixing sleeve 4 is on the same horizontal plane as the center line of the petrochemical pipe body 2.

[0035] The centerline of the universal joint 5 and the centerline of the fixed sleeve 4 are on the same vertical plane, and the output end of the drive motor 8 is fixedly connected to the input end of the reducer 7.

[0036] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, before welding, when positioning the petrochemical pipe body 2, one side of a set of petrochemical pipe bodies 2 is inserted into the fixed sleeve 4. Then, the positioning bolts 3 at both ends are rotated to make them fit tightly against the outside of the petrochemical pipe body 2, thereby connecting with the petrochemical pipe body 2 through the positioning bolts 3. During welding, after welding the top of the connection part, the drive motor 8 is started to drive the connecting sleeve 6 to rotate through the reducer 7. The connecting sleeve 6 then drives the fixed sleeve 4 to rotate through the universal joint 5. Finally, the fixed sleeve 4 drives the petrochemical pipe body 2 to rotate, so as to facilitate welding by the argon arc welding machine. This realizes that the petrochemical pipe body 2 can be automatically rotated for welding.

[0037] Working principle: the utility model discloses in use, before welding, can rotate the positioning bolt 16 of fixed sleeve board 13 both sides and make it separate from the one end of support sleeve board 14, can move through handle 12 to push support sleeve board 14, according to the diameter of the petrochemical pipe body 2 of required welding, the both ends of support sleeve board 14 are adjusted to the appropriate interval and keep symmetry, then rotate positioning bolt 16 and make it adhere to the both ends of support sleeve board 14 to position support sleeve board 14, place two groups petrochemical pipe body 2 at the top of support frame 11 two groups of support wheel 15 top, make the both ends of support wheel 15 adhere to the both ends of petrochemical pipe body 2, thereby through the both ends of support sleeve board 14 on the top of support frame 11 to support petrochemical pipe body 2, to guarantee two groups petrochemical pipe body 2 accurate butt joint, and effectively position two groups petrochemical pipe body 2 to guarantee the stability of petrochemical pipe body 2 when subsequent welding, when positioning petrochemical pipe body 2, one side of a group petrochemical pipe body 2 is inserted inside fixed sleeve 4, then rotate the both ends of positioning bolt 3 and make it tightly adhere to the outside of petrochemical pipe body 2, thereby through positioning bolt 3 and petrochemical pipe body 2 connection, when welding, complete welding on the top of connecting part, start drive motor 8 through speed reducer 7 drive connecting sleeve 6 rotation, connecting sleeve 6 again through universal joint 5 drive fixed sleeve 4 rotation, finally fixed sleeve 4 drive petrochemical pipe body 2 rotation, to facilitate through argon arc welding machine complete welding.

Claims

1. A mechanism for butt welding of a petrochemical pipe set, comprising a channel steel (1), characterized in that: The top end of the channel steel (1) is provided with two groups of petrochemical pipe bodies (2), one side of the top end of the channel steel (1) is fixedly connected with a support seat (10), the center line of the support seat (10) and the center line of the channel steel (1) are on the same vertical plane, and the top end of the channel steel (1) is provided with a support structure for quickly positioning the petrochemical pipe body (2). The support structure comprises a support frame (11), two groups of support frames (11) are fixedly connected to the two sides of the top end of the channel steel (1), fixed sleeve plates (13) are fixedly connected to the two ends of the top of the support frame (11), support sleeve plates (14) are movably connected in the fixed sleeve plates (13), and support wheels (15) are movably connected to one end in the support sleeve plates (14).

2. A mechanism for butt welding a petrochemical pipe set according to claim 1, characterized in that: The support wheels (15) are movably connected with the petrochemical pipe bodies (2), and the fixed sleeve plates (13) at the two ends of the top of the support frame (11) are symmetrically arranged.

3. A mechanism for butt welding a petrochemical pipe set according to claim 1, characterized in that: The center line of the support frame (11) and the center line of the petrochemical pipe body (2) are on the same vertical plane.

4. A mechanism for butt welding a petrochemical pipe set according to claim 1, characterized in that: One side of the support sleeve plate (14) is provided with an adjusting groove (17), two groups of positioning pins (16) are movably connected to the two sides of the fixed sleeve plate (13), and one end of the support sleeve plate (14) is fixedly connected with a handle (12).

5. A mechanism for butt welding a petrochemical pipe set according to claim 4, characterized in that: The positioning pins (16) are slidably connected with the adjusting grooves (17), and the positioning pins (16) are movably connected with the support sleeve plate (14).

6. A mechanism for butt welding a petrochemical pipe set according to claim 1, characterized in that: The top end of the support seat (10) is fixedly connected with a mounting frame (9), the inside of the mounting frame (9) is fixedly connected with a speed reducer (7), one side of the speed reducer (7) is fixedly connected with a driving motor (8), the output end of the speed reducer (7) is fixedly connected with a connecting sleeve (6), one side of the connecting sleeve (6) is fixedly connected with a universal joint (5), one side of the universal joint (5) is fixedly connected with a fixed sleeve (4), threaded holes (18) are formed in the two ends of the fixed sleeve (4), and positioning bolts (3) are movably connected in the threaded holes (18).

7. A mechanism for butt welding a petrochemical pipe set according to claim 6, characterized in that: The positioning bolts (3) are movably connected with the petrochemical pipe bodies (2), and the center line of the fixed sleeve (4) and the center line of the petrochemical pipe body (2) are on the same horizontal plane.

8. A mechanism for butt welding a petrochemical pipe set according to claim 6, characterized in that: The center line of the universal joint (5) and the center line of the fixed sleeve (4) are on the same vertical plane, and the output end of the driving motor (8) and the input end of the speed reducer (7) are fixedly connected.