Long-distance pipeline welding butt joint device

Abstract

The utility model discloses a long-distance pipeline welding butt joint device which comprises a first sleeve, a second sleeve and a connecting rod, a plurality of elastic seams are formed in the ends, deviating from each other, of the first sleeve and the second sleeve, elastic rings are connected to the ends in a sleeved mode, and the ends of the two sides of a notch of each elastic ring are connected through bolts. The outer walls of the close ends of the first sleeve and the second sleeve are rotationally sleeved with lantern ring pieces, and the lantern ring pieces on the two sides are connected with the two ends of the connecting rod correspondingly. According to the device, the bolt on the elastic ring is correspondingly adjusted, the inner diameter of the elastic ring is changed, then the first sleeve and the second sleeve are driven to wrap and clamp the outer wall of the to-be-welded pipe, the first sleeve and the second sleeve are fixed to the positions corresponding to the to-be-welded pipe respectively, and the device can be suitable for pipelines of various specifications and is suitable for large-scale popularization and application. In the welding process, the connecting rod and the lantern ring pieces on the two sides are synchronously rotated, then the relative position of the connecting rod is changed, and the flexibility of welding operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field especially relates to a long -distance pipeline welding butt joint device. BACKGROUND

[0002] Long -distance pipeline is the important infrastructure of energy delivery and fluid transportation, is widely used in long distance delivery of petroleum, natural gas, water resources, chemical raw materials etc., along with the growth of energy demand and the change of global resource distribution, long -distance pipeline construction scale expands unceasingly, its delivery distance, delivery volume and construction complexity also gradually improve.

[0003] Among them, welding technology is the core link in long -distance pipeline construction, plays a decisive role to the strength, leakproofness, safety and service life of pipeline, because long -distance pipeline usually runs in high pressure, high temperature, low temperature or corrosive environment, the good and bad of welding quality directly influences the stable operation of pipeline, and any welding defect can lead to serious leakage even catastrophic accident, and in the prior welding process, first, the two pipe ends to be welded are butt jointed, and then circumferential welding operation is carried out.

[0004] But in the present welding process, the two end pipes are usually fixed by fixing device to ensure that the pipe does not deviate during welding, thereby causing welding deviation, but the fixing device for fixing the pipe is mostly fixed part, once fixed, the position cannot be changed, resulting in that continuous welding cannot be realized due to the obstruction of the fixing device during welding, the fixing device must be removed for repair welding after the welding in the place not obstructed, increasing the welding times, which not only affects the overall efficiency of welding operation, but also directly affects the integrity of the weld, and directly affects the welding quality. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a long -distance pipeline welding butt joint device.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A long -distance pipeline welding butt joint device, comprising: first sleeve, second sleeve and a plurality of connecting rods,

[0008] The end of the first sleeve and the second sleeve away from each other is provided with a plurality of loose joints extending to the loose joint, and the outer wall of the end of the first sleeve and the second sleeve away from each other is sleeved with a loose ring, the loose ring is provided with a notch, and the end parts of the loose ring on both sides of the notch are connected by bolts;

[0009] The outer wall of the proximal end of the first sleeve and the second sleeve is rotationally sleeved with a sleeve ring, the outer wall of the two sleeve rings is respectively connected with the two ends of a plurality of connecting rods, the axis of the plurality of connecting rods is arranged in parallel with the axis of the first sleeve and the second sleeve, and the plurality of connecting rods is arranged in a circumferential array about the axis of the first sleeve and the second sleeve.

[0010] Preferably, the outer wall of the proximal end of the first sleeve and the second sleeve is sleeved with a limiting ring block, and a limiting ring groove is formed in the limiting ring block;

[0011] The sleeve ring comprises a ring body and an external connecting part, the ring body is rotationally sleeved in the limiting ring groove, a plurality of external connecting parts are arranged in a circumferential array on the outer wall of the ring body, the free end of the external connecting part extends out of the limiting ring groove and is provided with a through hole, the free end of the connecting rod penetrates through the through hole and is threadedly sleeved with a nut, and the end of the nut facing the external connecting part is in abutment with the side wall of the external connecting part.

[0012] Preferably, the inner wall and the outer wall of the ring body are both provided with a first groove, a plurality of rollers are arranged between the first groove and the limiting ring groove, and a second groove is formed in the end of the ring body away from the elastic ring, a plurality of balls are arranged between the second groove and the limiting ring groove, and the plurality of rollers and the plurality of balls are arranged in a circumferential array about the axis of the ring body.

[0013] Preferably, the free end of the external connecting part is provided with an extension pipe coaxially arranged with the through hole, and the inner wall of the extension pipe is sleeved with the outer wall of the connecting rod.

[0014] Preferably, the outer wall of the extension pipe is provided with an extension block rotationally sleeved with the outer wall of the limiting ring block.

[0015] Preferably, the outer wall of the limiting ring block is sleeved with two elastic sealing pads, the two elastic sealing pads are symmetrically arranged about the limiting ring groove, the free ends of the two elastic sealing pads are in abutment with each other and clamp the external connecting part, and the cross section of the external connecting part on both sides adopts a triangular structure.

[0016] Compared with the prior art, the device has the advantages that:

[0017] 1、The device of the utility model in actual use process, in the first sleeve, the second sleeve is respectively correspondingly sleeved in the outer wall of two pipes to be welded, the size of the inner diameter of the elastic ring is changed by adjusting the bolt on the elastic ring, and then the first sleeve and the second sleeve are driven to form clamping on the outer wall of the pipe to be welded, so that the position of the first sleeve and the second sleeve is fixed, and the device can be applied to various specifications of pipes and meet the use demand of complex environment, and realizes the butt joint operation of the pipe.

[0018] 2、In addition, the staff can rotate the connecting rod and the two side ring members synchronously during the welding process according to the needs, and then the relative position of the connecting rod is changed, so that the problem that the connecting rod cannot be welded to the corresponding pipe to be welded due to the unchangeable position of the connecting rod is avoided, the flexibility of the welding operation is realized on the basis of fixing the two side pipes, and then the continuity of the weld is ensured, the welding times are reduced, and the welding quality is improved.

[0019] Other features and advantages of the present application will be set forth in the following description, and in part will become apparent to those skilled in the art from the description, or can be learned by practice of the present application. The objects and other advantages of the present application can be realized and achieved by the structure indicated in the specification and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more specifically and intuitively illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below.

[0021] Figure 1 The structural schematic diagram of the present application is shown in the figure.

[0022] Figure 2 The partial structural schematic diagram of the present application is shown in the figure.

[0023] Figure 3 The cross-sectional schematic diagram of the present application is shown in the figure.

[0024] Figure 4 The enlarged schematic diagram of structure A of the present application is shown in the figure.

[0025] In the figure: first sleeve 1, second sleeve 2, connecting rod 3, loose seam 4, loose ring 5, ring member 6, ring body part 61, external connection part 62, limiting ring block 7, limiting ring groove 8, nut 9, first groove body, roller 10, second groove body, ball 11, extension pipe 12, extension block 13, elastic sealing gasket 14. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely 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, not all the embodiments.

[0027] Reference Figure 1 And Figure 2 A long-distance pipeline welding butt joint device, comprising: a first sleeve 1, a second sleeve 2 and a plurality of connecting rods 3, the first sleeve 1 and the second sleeve 2 are symmetrically arranged.

[0028] The first sleeve 1 and the second sleeve 2 are provided with a plurality of extended elastic seams 4 at the ends away from each other, and the elastic seams 4 are arranged in a circular array about the axis of the first sleeve 1 and the second sleeve 2; the outer wall of the end away from each other of the first sleeve 1 and the second sleeve 2 is sleeved with an elastic ring 5, the elastic ring 5 is provided with a notch, adopts a C-shaped structure, and the end portions on both sides of the notch of the elastic ring 5 are connected by bolts;

[0029] It should be noted that although the structure of the elastic ring 5 is described by taking one notch as an example in this embodiment, the elastic ring 5 can be provided with two, three, four or other numbers of notches, and the person skilled in the art can comprehensively consider the connection principle and actual application of the present application, as long as the principle of the present application can be realized.

[0030] Correspondingly, the outer wall of the proximal end of the first sleeve 1 and the second sleeve 2 is rotatably sleeved with a sleeve ring 6, the outer walls of the sleeve rings 6 on both sides are connected to the two ends of a plurality of connecting rods 3, the axis of the connecting rods 3 is arranged in parallel with the axis of the first sleeve 1 and the second sleeve 2, and the connecting rods 3 are arranged in a circular array about the axis of the first sleeve 1 and the second sleeve 2.

[0031] In the actual use process of the device of the present application, the first sleeve 1 and the second sleeve 2 are respectively sleeved on the outer walls of the two pipes to be welded, and after the ends of the two pipes to be welded are adjusted to form a butt joint state, the bolts on the elastic ring 5 are adjusted correspondingly to change the inner diameter of the elastic ring 5, thereby driving the first sleeve 1 and the second sleeve 2 to form clamping on the outer wall of the pipe to be welded, realizing the position fixation of the first sleeve 1 and the second sleeve 2 with the corresponding pipe to be welded, and being applicable to various specifications of pipes to meet the use requirements of complex environments and realize the pipe butt joint operation.

[0032] In addition, the staff can rotate the connecting rod 3 and the sleeve ring 6 on both sides synchronously during the welding process according to the needs, thereby changing the relative position of the connecting rod 3, avoiding the problem that the position of the connecting rod 3 cannot be changed, resulting in that the position of the connecting rod 3 corresponding to the pipe to be welded cannot be welded, realizing the flexibility of the welding operation on the basis of fixing the pipes on both sides of the device, thereby guaranteeing the continuity of the weld, reducing the welding times, and improving the welding quality.

[0033] Reference Figure 3 and Figure 4 The proximal end of the first sleeve 1 and the second sleeve 2 is sleeved with a limiting ring block 7, and a limiting ring groove 8 is formed in the limiting ring block 7;

[0034] The sleeve ring 6 comprises a ring body part 61 and an external connection part 62, the ring body part 61 is rotatably sleeved in the limiting ring groove 8, and a plurality of external connection parts 62 are arranged in a circular array on the outer wall of the ring body part 61;

[0035] In this embodiment, the cross section of the limiting ring groove 8 adopts an inverted T-shaped structure, and the outer connecting part 62 is vertically arranged with the outer wall of the ring body part 61, so that the cross section of the sleeve ring part 6 also adopts an inverted T-shaped structure, so that the inner wall of the limiting ring groove 8 and the outer wall of the ring body part 61 are partially overlapped, avoiding the sleeve ring part 6 from falling off from the limiting ring groove 8, and further improving the stability of the rotating sleeve connection of the sleeve ring part 6 and the limiting ring groove 8.

[0036] In addition, the free end of the outer connecting part 62 extends out of the limiting ring groove 8 and is provided with a through hole, and the free end of the connecting rod 3 penetrates through the through hole and is threadedly connected with the nut 9, so that one end of the nut 9 facing the outer connecting part 62 abuts against the side wall of the outer connecting part 62; in the actual use of the device, in order to further improve the convenience of the device during the fixing of the pipelines, on the basis that the two side pipelines have been fixed by the two side elastic rings 5 respectively, the nut 9 is adjusted to provide a force for the two side elastic rings 5 to move close to each other, thereby driving the two side pipelines to move close to each other and reducing the distance between the end portions of the two side pipelines, further improving the stability of the butt joint of the end portions of the two side pipelines; at the same time, the secondary regulation and control of the butt joint operation of the end portions of the two side pipelines is realized. Similarly, the nut 9 can also be adjusted to provide a force for the two side elastic rings 5 to move away from each other, thereby driving the two side pipelines to move away from each other and increasing the distance between the end portions of the two side pipelines.

[0037] In this case, in order to further improve the stability of the rotating sleeve connection of the sleeve ring part 6 with the first sleeve 1 and the second sleeve 2 respectively and improve the smoothness of the sleeve ring part 6 during rotation, the inner and outer side walls of the ring body part 61 are provided with first grooves, a plurality of rollers 10 are arranged between the first grooves and the limiting ring groove 8, and the end of the ring body part 61 away from the elastic ring 5 is provided with a second groove, a plurality of balls 11 are arranged between the second groove and the limiting ring groove 8, and the plurality of rollers 10 and the plurality of balls 11 are arranged in a circumferential array about the axis of the ring body part 61, thereby improving the integrity of the device.

[0038] In this embodiment, the free end side wall of the outer connecting part 62 is provided with an extension pipe 12 coaxially arranged with the through hole, and the inner wall of the extension pipe 12 is sleeved with the outer wall of the connecting rod 3. By additionally providing the extension pipe 12, the connecting surface of the connecting rod 3 and the free end of the outer connecting part 62 is increased, the connecting rod 3 and the extension pipe 12 are coaxially arranged, and the position deviation of the connecting rod 3 with the free end of the outer connecting part 62 as the center is avoided.

[0039] Correspondingly, the outer wall of the extension pipe 12 is provided with an extension block 13 rotatably sleeved with the outer wall of the limiting ring block 7, further increasing the connecting surface of the extension pipe 12 and the outer wall of the limiting ring block 7, increasing the action point of the sleeve ring part 6 and the limiting ring block 7, and further improving the stability of the rotating sleeve connection of the sleeve ring part 6 and the limiting ring block 7.

[0040] At the same time, in order to protect the inner cavity of the limiting ring groove 8 and improve the service life of the sleeve ring part 6, the free end of the outer connecting part 62 is provided with a protective sleeve 14, and the outer wall of the protective sleeve 14 is sleeved with the inner wall of the limiting ring groove 8. Figure 4In the shown example, the outer wall of the limiting ring block 7 is sleeved with two elastic sealing pads 14, the two elastic sealing pads 14 are symmetrically arranged relative to the limiting ring groove 8, the free ends of the two elastic sealing pads 14 abut against each other and form clamping to the outer connecting part 62, and the cross sections on both sides of the outer connecting part 62 adopt triangular structures.

[0041] By using the two elastic sealing pads 14 to block the ports of the limiting ring groove 8, impurities in the external environment are avoided from entering the inner cavity of the limiting ring groove 8, and on the basis that the cross sections on both sides of the outer connecting part 62 adopt triangular structures, the middle gaps of the two elastic sealing pads 14 on both sides of the outer connecting part 62 can be cut, so that the situation that the outer connecting part 62 and the elastic sealing pads 14 are blocked and cannot rotate is avoided.

[0042] The above is only a preferred specific implementation manner 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 the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A long distance pipeline welding butt joining apparatus, characterized by, The utility model relates to a kind of elastic sleeve, including: First sleeve (1), second sleeve (2) and several connecting rods (3); The outer wall of the end of the first sleeve (1) and the second sleeve (2) away from each other is provided with a plurality of loose seams (4) extending, and the outer wall of the end of the first sleeve (1) and the second sleeve (2) away from each other is sleeved with a loose ring (5), the loose ring (5) is provided with a notch, and the end of the loose ring (5) on both sides of the notch is connected by bolt. The outer wall of the end of the first sleeve (1) and the second sleeve (2) is rotatably sleeved with a sleeve ring (6), the outer wall of the sleeve ring (6) on both sides is connected with the two ends of the connecting rod (3), the axis of the connecting rod (3) is parallel to the axis of the first sleeve (1) and the second sleeve (2), and the connecting rod (3) is arranged in a circular array about the axis of the first sleeve (1) and the second sleeve (2).

2. A long pipe welding butt joint device according to claim 1, characterized in that, The outer wall of the end of the first sleeve (1) and the second sleeve (2) is sleeved with a limiting ring block (7), and the limiting ring block (7) is provided with a limiting ring groove (8) inside. The sleeve ring (6) includes a ring body (61) and an external connection part (62), the ring body (61) is rotatably sleeved in the limiting ring groove (8), the outer wall of the ring body (61) is provided with a plurality of external connection parts (62) in a circular array, the free end of the external connection part (62) extends out of the limiting ring groove (8) and is provided with a through hole, the free end of the connecting rod (3) penetrates through the through hole and is threadedly sleeved with a nut (9), so that the end of the nut (9) facing the external connection part (62) abuts against the side wall of the external connection part (62).

3. A long pipe welding butt joint device according to claim 2, characterized in that, The inner wall and the outer wall of the ring body (61) are provided with a first groove, a plurality of rollers (10) are installed between the first groove and the limiting ring groove (8), and the end of the ring body (61) away from the loose ring (5) is provided with a second groove, a plurality of balls (11) are installed between the second groove and the limiting ring groove (8), and the plurality of rollers (10) and the plurality of balls (11) are arranged in a circular array about the axis of the ring body (61).

4. A long pipe welding butt joint device according to claim 3, characterized in that, The outer wall of the external connection part (62) is provided with an extension pipe (12) coaxially arranged with the through hole, and the inner wall of the extension pipe (12) is sleeved with the outer wall of the connecting rod (3).

5. A long pipe welding butt joining apparatus according to claim 4, wherein The outer wall of the extension pipe (12) is provided with an extension block (13) rotatably sleeved with the outer wall of the limiting ring block (7).

6. A long pipe welding butt joining apparatus according to claim 2, wherein The outer wall of the limiting ring block (7) is sleeved with two elastic sealing gaskets (14), the two elastic sealing gaskets (14) are symmetrically arranged about the limiting ring groove (8), the free ends of the two elastic sealing gaskets (14) abut against each other and clamp the external connection part (62), and the cross sections on both sides of the external connection part (62) are triangular structures.

Images