Port butt joint equipment suitable for high-alloy pipeline welding

Abstract

The utility model discloses port butt joint equipment suitable for high alloy pipeline welding, which belongs to the technical field of pipeline auxiliary butt joint and comprises a welding table and a pair of main bearing seats mounted on two sides of the upper end of the welding table, and a welding space is reserved between the pair of main bearing seats. The lower fixing base and the lower moving base are arranged at the left end and the right end of the welding table respectively, the upper fixing pieces capable of ascending and descending are arranged on the lower fixing base and the lower moving base respectively, two pipelines are placed on the pair of main bearing bases arranged on the left side and the right side respectively, preliminary positioning is completed, the upper fixing pieces are driven downwards, and the two pipelines are fixed. The upper fixing piece and the lower fixing base are matched to fix one pipeline, the upper fixing piece and the lower moving base are matched to fix the other pipeline, then the electric guide rail drives the pipeline on the lower moving base to move towards the welding space till the ends of the two pipelines make contact, manual butt joint is not needed in the process, and the welding efficiency is improved. Precise butt joint of the two pipelines is guaranteed, and the stability of the follow-up welding process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline auxiliary butt joint technical field more specifically, relate to the port butt joint equipment suitable for high alloy pipeline welding. BACKGROUND

[0002] In water conservancy construction engineering, a large number of same diameter high alloy pipelines need to be welded and connected, and then integrally installed, for the joint section, it needs to be welded at the end of the pipeline that has been connected and fixed, at this time, it needs to be connected with the help of butt joint mechanism.

[0003] Through the search, the patent number CN216298437U discloses a butt jointer for pipeline welding, the installation process: aligning and righting the first pipeline and the second pipeline, placing the upper clamping device above the pipeline, placing the lower clamping device below the pipeline, threading the bolt from the through hole on the lower clamping device, threading out from the threaded hole on the upper clamping device and tightening, when the bolt is about to be tightened, adjusting the first pipeline and the second pipeline to ensure that their end faces are completely aligned and fitted, and finally tightening the bolt;

[0004] Although the patent can realize the butt joint of two pipelines, manual righting and manual clamping limiting are needed in the whole butt joint process, it is difficult to ensure the accurate butt joint of the two pipelines, and only the butt joint part of the pipeline is positioned by the clamping device, when the pipeline has a certain length, the other end of the unfixed pipeline will sag downward under the gravity, so manual righting is needed during the welding process, otherwise it is difficult to ensure the stability of the butt joint pipeline, in addition, a pair of upper connecting plates are fixed by the upper connecting rods with arc structure, and a pair of lower connecting plates are fixed by the lower connecting rods with arc structure, it is difficult to ensure that the welding seam part between the two pipelines is in a suspended state, which is not convenient for annular welding, and there are certain disadvantages.

[0005] Therefore, we propose the port butt joint equipment suitable for high alloy pipeline welding for the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the existing actual problem, compared with the prior art, the port butt joint equipment suitable for high alloy pipeline welding is provided, the lower fixed seat and the lower movable seat are arranged respectively at the left end and the right end of the welding table, the upper fixed plate that can be lifted is arranged on the lower fixed seat and the lower movable seat, two pipelines are placed on a pair of main supporting seats arranged on the left and right respectively, preliminary positioning is completed, the upper fixed plate is driven downward, one of the pipelines is fixed by the cooperation of the upper fixed plate and the lower fixed seat, the other pipeline is fixed by the cooperation of the upper fixed plate and the lower movable seat, the pipeline on the lower movable seat is driven by the electric guide rail to move towards the welding space, until the end of the two pipelines abuts and contacts, the process does not need manual butt joint, the accurate butt joint of the two pipelines is ensured, and the stability of the subsequent welding process is improved.

[0007] The purpose of the utility model can be realized through the following technical schemes:

[0008] The port butt joint equipment suitable for high alloy pipeline welding, including welding table, welding table upper end both sides all fixedly install a pair of main support seat, a pair of main support seat between reserve welding space, welding table upper end both sides still install respectively below fixed seat and below mobile seat between a pair of main support seat and with main support seat is compatible, below fixed seat is close to welding space and is fixed on welding table upper end, below mobile seat horizontal sliding is installed on welding table upper end, below fixed seat and below mobile seat side inside all are embedded and install electric push rod, a pair of electric push rod telescopic end all are fixedly connected with respectively with below fixed seat, below mobile seat is compatible with upper fixed piece;

[0009] The welding table is internally provided with a sliding cavity, a sliding table is horizontally slidably installed in the sliding cavity, an auxiliary support seat compatible with the main support seat is fixedly connected to the upper end of the sliding table, and a welding guide assembly for annularly guiding the welding gun is arranged at the welding space of the welding table.

[0010] Further, an electric guide rail for horizontally driving the installation of the lower mobile seat is embedded and installed on the upper end of the welding table, sliding blocks are arranged on both sides of the bottom end of the lower mobile seat, and a sliding groove for the embedded installation of the sliding blocks is formed in the upper end of the welding table.

[0011] Further, the clamping surfaces of the main support seat, the lower fixed seat, the upper fixed piece, the lower mobile seat and the auxiliary support seat are all arc-shaped structures.

[0012] Further, traveling frames are fixedly connected to the bottom end of the sliding table and the bottom end of the welding table away from the sliding table.

[0013] Further, the welding guide assembly comprises a pair of welding frames fixed to the upper end of the welding table, welding auxiliary rings are embedded and installed on the welding frames, an annular groove corresponding to the positions of the annular welds of the two pipelines is reserved between the welding auxiliary rings, and sliding petals for the embedded installation of the welding gun are slidably installed in the annular groove on the welding auxiliary rings.

[0014] Further, the welding auxiliary ring comprises a fixed ring fixed to the welding frame and having an opening on one side of the outer end, a rotating ring is rotatably installed at the opening on the upper end of the fixed ring, and the lower end of the rotating ring is magnetically attached to the opening on the lower end of the fixed ring.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) The scheme is characterized in that a pair of main supporting seats are arranged at the left and right ends of the welding table, and a fixed lower fixed seat and a movable lower movable seat are arranged, the main supporting seats are reserved with welding spaces, the fixed lower fixed seat and the movable lower movable seat are both provided with an upper fixed plate capable of vertically lifting through an electric push rod, two pipes are respectively placed on the main supporting seats at the left and right sides of the welding table, the pipes are preliminarily positioned, the pipes are fixed by the cooperation of the upper fixed plate and the fixed lower fixed seat, another pipe is fixed by the cooperation of the upper fixed plate and the movable lower movable seat in the same way, the pipe on the movable lower movable seat is driven by the electric guide rail to move towards the welding space until the end portions of the two pipes abut against each other, the abutment does not need manual operation, the two pipes are accurately abutted against each other, the stability of the subsequent welding process is improved, and the annular welds of the two pipes are in a suspended state, so that the subsequent annular welding operation is facilitated.

[0017] (2) The scheme is characterized in that a welding guiding assembly for annular guiding of a welding gun is additionally arranged at the welding space, the welding guiding assembly is composed of a welding frame, welding auxiliary rings and a sliding petal, the sliding petal drives the welding gun to rotate and slide annularly along the annular groove between the welding auxiliary rings, the weld part between the two pipes is in a suspended state, and when welding work is performed, the welding gun can realize annular welding of the welds of the two pipes by only rotating the sliding petal along the welding auxiliary ring in the axial direction, and the welding quality is improved. BRIEF DESCRIPTION OF DRAWINGS

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

[0019] Figure 2 It is a structural schematic view of the combination of the lower movable seat and the upper fixed plate of the utility model;

[0020] Figure 3 It is a structural schematic view of the utility model after the two pipes are placed on the main supporting seats;

[0021] Figure 4 It is a structural schematic view of the utility model after the two pipes are abutted and positioned;

[0022] Figure 5 It is a structural schematic view of the change of the welding guiding assembly of the utility model when it is opened and works;

[0023] Figure 6 It is a structural schematic view of the utility model when annular welding is performed on the welds of the two pipes;

[0024] Figure 7 It is a structural schematic view of the utility model when secondary welding is performed.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, welding platform; 101, sliding groove; 2, main support seat; 3, lower fixed seat; 4, upper fixed piece; 5, electric push rod; 6, electric guide rail; 7, lower moving seat; 8, sliding table; 9, auxiliary support seat; 10, welding frame; 11, welding auxiliary ring; 111, fixed ring; 112, rotating ring; 12, sliding petal; 13, welding gun. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of the present application.

[0028] Embodiment 1: The utility model discloses a port butt joint equipment suitable for high alloy pipeline welding, please refer to Figure 1 , including welding platform 1, welding platform 1 upper end both sides are fixedly installed with a pair of main support seat 2, and a pair of main support seat 2 between the welding space is reserved, welding platform 1 upper end both sides are also installed with respectively located between a pair of main support seat 2 and with main support seat 2 is adapted to the lower fixed seat 3 and lower moving seat 7 of installation, welding platform 1 upper end is embedded installation is used for the electric guide rail 6 of the horizontal drive installation of lower moving seat 7, and lower moving seat 7 bottom end both sides are equipped with sliding block, and welding platform 1 upper end is set with the sliding groove 101 of the sliding block embedded installation.

[0029] Please refer to Figure 1 、 Figure 2 , lower fixed seat 3 is close to welding space and is fixed on the upper end of welding platform 1, lower moving seat 7 is horizontally slidably installed on the upper end of welding platform 1, and electric push rod 5 is embedded and installed in the inner side of the side of lower fixed seat 3 and lower moving seat 7, the telescopic end of a pair of electric push rod 5 is fixedly connected with upper fixed piece 4 adapted to lower fixed seat 3 and lower moving seat 7 respectively, and the clamping surface of main support seat 2, lower fixed seat 3, upper fixed piece 4 and lower moving seat 7 is arc-shaped structure, facilitating clamping of tubular structure.

[0030] By setting the vertically liftable upper fixed piece 4 on lower fixed seat 3 and lower moving seat 7, when butt joint before welding two pipelines, please refer to Figure 3 、 Figure 4Two pipes are respectively placed on a pair of main supporting seats 2 on the left and right sides of the welding table 1, the electric push rod 5 is started, the upper fixed sheet 4 is driven to move downward by the electric push rod 5 until the bottom end surface of the upper fixed sheet 4 is in contact with the upper end surface of the pipe to clamp, the cooperation of the upper fixed sheet 4 and the lower fixed seat 3 is used to realize the fixation of one of the pipes, the end of the pipe extends to the welding space, and the same way is adopted to fix the other pipe by the cooperation of the upper fixed sheet 4 and the lower moving seat 7, at this time, the pipe on the lower moving seat 7 is driven by the electric guide rail 6 to move towards the welding space until the ends of the two pipes are in contact, the two pipes are coaxially arranged, the process does not need manual butt joint, the precise butt joint of the two pipes is ensured, and the stability of the subsequent welding process is improved.

[0031] The welding table 1 is internally provided with a sliding cavity, a sliding table 8 is horizontally and slidingly installed in the sliding cavity, the upper end of the sliding table 8 is fixedly connected with a auxiliary supporting seat 9 matched with the main supporting seat 2, the clamping surface on the auxiliary supporting seat 9 is also an arc-shaped structure, and the bottom end of the sliding table 8 and the bottom end of the welding table 1 away from the sliding table 8 are both fixedly connected with a walking frame.

[0032] Please refer to Figure 7 By additionally arranging the sliding table 8 which can be slidingly installed outward in the welding table 1, the auxiliary supporting seat 9 matched with the main supporting seat 2 is arranged on the sliding table 8, when the two pipes are welded and installed, the pipes are pushed towards the auxiliary supporting seat 9, the sliding table 8 is pulled outward, the supporting range for the pipes is extended, the welded pipes and new pipes are welded again, and the welding of longer pipes is applicable.

[0033] Embodiment 2: Based on the embodiment 1, a welding guide assembly for circularly guiding the welding gun 13 is additionally arranged on the welding table 1 at the welding space, the rotation of the welding gun 13 in the circular direction is guided by the welding guide assembly, so that the welding gun 13 can accurately rotate along the axial direction of the pipe, the circular welding effect is improved, and the specific implementation is as follows:

[0034] Please refer to Figure 4 - Figure 6The welding guide assembly comprises a pair of welding frames 10 fixed to the upper end of the welding table 1, welding auxiliary rings 11 are embedded and installed on the welding frames 10, annular grooves corresponding to the positions of the annular welds of the two pipes are reserved between the welding auxiliary rings 11, sliding petals 12 for embedding and installing the welding gun 13 are slidingly installed at the annular grooves on the welding auxiliary rings 11, handles are additionally arranged at the outer ends of the sliding petals 12, after the pipe butt joint is completed, the handle is rotated along the circumferential direction of the welding auxiliary ring 11, the sliding petal 12 drives the welding gun 13 to rotate and slide along the annular groove between the pair of welding auxiliary rings 11, the weld part between the two pipes is in a suspended state, and during the welding work, the sliding petal 12 only needs to be axially rotated along the welding auxiliary ring 11, so that the welding gun 13 can realize annular welding of the welds of the two pipes, and the welding quality is improved.

[0035] In addition, it should be additionally pointed out that the welding auxiliary ring 11 comprises a fixed ring 111 fixed to the welding frame 10 and having an opening at the outer end, a rotating ring 112 is rotatably installed at the opening of the upper end of the fixed ring 111, and the lower end of the rotating ring 112 is magnetically attached to the opening of the lower end of the fixed ring 111. During pipe welding, the fixed ring 111 and the rotating ring 112 form a closed annular structure for guiding the circumferential movement of the sliding petal 12, when the welding work is completed, the rotating ring 112 is held and reversely turned upward, the opening of the fixed ring 111 is exposed, the pipe is conveniently taken out transversely outward, and convenience is improved.

[0036] The working process and principle of the utility model are as follows: the scheme is characterized in that a pair of main supporting seats 2 for supporting the two pipes to be welded are additionally arranged at the left and right ends of the welding table 1, the pipes are conveniently preliminarily positioned, and a fixed seat 3 and a movable seat 7 are respectively arranged at the left and right ends of the welding table 1 and are fixedly installed and movably installed, the fixed seat 3 and the movable seat 7 are both provided with vertically liftable upper fixed plates 4 through electric push rods 5, the two pipes are respectively placed on the pair of main supporting seats 2 at the left and right sides of the welding table 1, one end of one pipe extends to the welding space, the pipe is fixed by cooperation of the upper fixed plate 4 and the fixed seat 3, the pipe is fixed by cooperation of the upper fixed plate 4 and the movable seat 7 in the same way, and the pipe on the movable seat 7 is driven by the electric guide rail 6 to move towards the welding space until the ends of the two pipes contact each other, and the process does not need manual butt joint.

[0037] After the butt joint of the two pipes is completed, the weld part between the two pipes is in a suspended state, during the welding work, the sliding petal 12 only needs to be axially rotated along the welding auxiliary ring 11, the sliding petal 12 drives the welding gun 13 to rotate along the circumferential direction of the annular groove of the welding auxiliary ring 11, the welding gun 13 can realize annular welding of the welds of the two pipes, and the welding quality is improved.

[0038] In addition, the sliding table 8 which can slide outward is additionally arranged in the welding table 1, the auxiliary supporting seat 9 which is matched with the main supporting seat 2 is arranged on the sliding table 8, after the two pipes are welded and installed, the pipes are pushed to the auxiliary supporting seat 9, the sliding table 8 is pulled outward, the supporting range of the pipes is extended, the pipes after welding are used for welding operation again with new pipes, and the welding processing of longer pipes is suitable.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this; any person skilled in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application; and all of them should be covered in the protection scope of the present application.

Claims

1. A port butt-welding device for high-alloy pipe welding, comprising a welding table (1) and a pair of main supporting seats (2) fixedly installed on both sides of the upper end of the welding table, characterized in that: A pair of said main supporting seats (2) are reserved with welding space, and a lower fixed seat (3) and a lower movable seat (7) are respectively installed on both sides of the upper end of the welding table (1) and are adapted to a pair of main supporting seats (2), the lower fixed seat (3) is adjacent to the welding space and is fixed to the upper end of the welding table (1), and the lower movable seat (7) is horizontally slidingly installed on the upper end of the welding table (1), and the lower fixed seat (3) and the lower movable seat (7) are both embedded with electric push rods (5) on the side of the inner part, and the telescopic ends of a pair of electric push rods (5) are fixedly connected with upper fixed plates (4) adapted to the lower fixed seat (3) and the lower movable seat (7) respectively. The welding table (1) is internally provided with a sliding cavity, and a sliding table (8) is horizontally slidingly installed in the sliding cavity, the upper end of the sliding table (8) is fixedly connected with an auxiliary supporting seat (9) adapted to the main supporting seat (2), and a welding guiding assembly is arranged on the upper end of the welding table (1) and is used for circularly guiding the welding gun (13).

2. The port docking apparatus suitable for high alloy pipe welding of claim 1, wherein: The upper end of the welding table (1) is embedded with an electric guide rail (6) used for horizontally driving the lower movable seat (7), the bottom end of the lower movable seat (7) is provided with sliding blocks on both sides, and the upper end of the welding table (1) is provided with sliding grooves (101) used for embedding and installing the sliding blocks.

3. The port docking apparatus suitable for high alloy pipe welding of claim 2, wherein: The clamping surfaces of the main supporting seat (2), the lower fixed seat (3), the upper fixed plate (4), the lower movable seat (7) and the auxiliary supporting seat (9) are all arc-shaped structures.

4. The port docking apparatus suitable for high alloy pipe welding of claim 1, wherein: The bottom end of the sliding table (8) and the bottom end of the welding table (1) away from the sliding table (8) are both fixedly connected with walking frames.

5. The port docking apparatus suitable for high alloy pipe welding of claim 1, wherein: The welding guiding assembly comprises a pair of welding frames (10) fixed to the upper end of the welding table (1), a welding auxiliary ring (11) is embedded and installed on each of the welding frames (10), an annular groove corresponding to the position of the annular weld of the two pipes is reserved between the welding auxiliary rings (11), and a sliding petal (12) for embedding and installing the welding gun (13) is slidingly installed in the annular groove on the welding auxiliary ring (11).

6. The port docking apparatus suitable for high alloy pipe welding of claim 5, wherein: The welding auxiliary ring (11) comprises a fixed ring (111) fixed to the welding frame (10) and opened on the outer end side, and a rotating ring (112) is rotatably installed on the opening of the upper end of the fixed ring (111), and the lower end of the rotating ring (112) is magnetically attached to the lower end opening of the fixed ring (111).

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