Tool for aligning flanges to pipes

Abstract

The present invention relates to a tool for aligning a flange with a pipe, comprising two sets of first slide groups which are parallel to each other, each of which comprises one first slide or at least two first slides which are parallel to each other; and two mounting frames, each of which is slidably mounted on a set of first slide groups, and each of which is provided with a flange plate for mounting a flange. The tool of the present invention comprises two mounting frames for mounting flange plates, each of which is slidably mounted on a set of first slide groups, and the mounting frames can move a large distance along the first slide groups, so that by adjusting the relative position between the two mounting frames, it is not only suitable for the alignment assembly between the flange and the straight pipe, but also suitable for the alignment assembly between the flange and the curved pipe or the special-shaped pipe.

Description

Technical Field

[0001] The invention relates to the technical field of pipe fitting assembly, and in particular to a tool for aligning a flange with a pipeline. Background Art

[0002] Ship piping is a pipe used to connect various mechanical equipment on ships and is used to transmit various media such as water, oil, and gas. There are two major categories of ship piping: power piping and ship system piping. Power piping is a variety of pipelines used to serve the main engine and auxiliary engine, including fuel oil, lubricating oil, cooling water, compressed air, exhaust, waste heat, etc.; ship system piping is to improve the ship's anti-sinking and stability, and to meet the normal life needs of crew members and passengers. Among them, flange connection is currently the most important connection form for these pipelines. The advantages are high pipe strength, easy disassembly and assembly, and a wide range of applications. It can be used for almost all pipeline connections.

[0003] During the welding process of the pipeline flange, the flange and the pipeline need to be perpendicular to each other, and the central axis of the pipeline needs to be consistent with the center of the flange. If there is no auxiliary device during welding, it is difficult to achieve true alignment. For this problem, the "Top-to-top flange, straight pipe assembly equipment" disclosed in the Chinese invention patent with patent number ZL20190174511.8 (publication number CN109822249A) can solve this problem. The equipment includes two flange support head frames arranged at a front-to-back interval and both used to carry flanges, and a straight pipe arranged between the two flange support head frames to carry the straight pipe and limit the front and rear directions of the straight pipe. Bracket, each flange support head frame includes a head frame body, a flange clamp arranged on the side of the head frame body facing the straight pipe bracket for clamping the flange and keeping the flange axis line facing forward and backward; the flange support head frame also has a position adjustment mechanism for adjusting the position of the flange; based on the structure of the top-to-top flange and straight pipe assembly equipment involved in the present invention, during the assembly process of the flange and the straight pipe, the position relationship between the flange and the straight pipe can be adjusted from multiple angles through the flange support head frame, thereby ensuring the assembly accuracy between the flange and the straight pipe, and when both ends of the straight pipe need to be assembled with the flange, the assembly efficiency can be effectively improved.

[0004] The problem with the above equipment is that the tooling adjusts the position of the flange by moving the flange chuck, and the flange chuck moves relative to the flange support head frame rather than through the movement of the flange support head frame, so it is only fine-tuning and the moving distance is not large. In other words, the equipment is only suitable for straight pipes, not for bent pipes or other special-shaped pipes. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide a tool for aligning flanges with pipes in view of the current status of the prior art, wherein two mounting frames provided with flanges at both ends of the corresponding pipes of the tool can move relatively, thereby being able to adapt to pipes of different shapes.

[0006] The technical solution adopted by the present invention to solve the above technical problems is: a tool for aligning flanges with pipelines, characterized in that: it includes:

[0007] There are two first slideway groups which are parallel to each other, and each of the first slideway groups includes one first slideway or at least two first slideways which are parallel to each other;

[0008] There are two mounting frames, each of which is slidably arranged on a first slideway group, and each of the mounting frames is provided with a flange plate for mounting a flange.

[0009] In order to make the tooling adaptable to the installation of flanges and special-shaped pipes, each of the mounting frames is slidably arranged on the corresponding first slideway group through a support seat, and each of the support seats is provided with a first rotating assembly that enables the mounting frame to rotate circumferentially relative to the support seat, and the mounting frame is connected to the corresponding first rotating assembly. In this way, the mounting frame can rotate circumferentially, increasing the adjustment dimension of the mounting frame.

[0010] The first rotating assembly can have a variety of structural forms. In order to facilitate the placement of the first rotating assembly in the support seat, preferably, the first rotating assembly includes a first worm wheel and a first worm connected to the first worm wheel transmission. The first worm wheel is connected to the corresponding mounting frame and a first dividing plate that rotates synchronously with the first worm wheel is provided between the two. The first dividing plate is connected to the mounting frame. The matching mode of the worm wheel and the worm is compact in structure, and the rotation angle of the mounting frame can be intuitively known through the first dividing plate and the rotation angle can be accurately controlled, thereby improving the alignment accuracy of the flange and the pipe fitting.

[0011] In order to position the support seat when it moves into place and prevent it from moving when it is not necessary, each support seat is connected to at least one first locking device, each first locking device corresponds to a first slideway, and each first locking device includes a first positioning plate connected to the support seat, and the first positioning pin is threadedly connected to the first positioning plate, and the first positioning pin can be against the side wall of the corresponding first slideway. In this way, when the support seat moves into place, the first positioning pin is locked on the first slideway, so that the support seat is positioned and cannot be moved at will.

[0012] In order to accurately control the movement stroke of the support seat, in at least one first locking device corresponding to each support seat, the first positioning plate in at least one first locking device is connected to the corresponding support seat through a first screw, the first end of the first screw is threadedly connected to the support seat, and the second end passes through the first positioning plate and is fixedly connected to the first limiting member limited on the outer wall of the first positioning plate. In this way, by rotating the first screw, the position of the support seat can be fine-tuned.

[0013] In order to make the flange plate at different heights for the convenience of construction workers, the flange and the pipe are welded, and the mounting frame includes a frame body connected to the support seat and a mounting seat that can slide up and down and is arranged on the frame body. The flange plate is installed on the mounting seat, and the mounting seat is connected to a lifting component that can drive it to move up and down. Otherwise, if the flange position is too high or too low, it will cause inconvenience or difficulty for construction workers to operate.

[0014] In order to further increase the adjustment dimension of the flange and adapt to pipes of different specifications and shapes, the frame is U-shaped, including side walls that are arranged oppositely and extend up and down, and a bottom wall connected between the two side walls, and the bottom wall is connected to the support seat;

[0015] The mounting seat is U-shaped, and includes two mounting arms arranged opposite to each other and a mounting plate connected between the two mounting arms, the flange is arranged on the mounting plate, the two mounting arms are respectively connected to the side walls of the corresponding sides of the frame by a sliding seat, and at least one of the sliding seats is driven by the lifting assembly;

[0016] The mounting arm of the mounting seat is rotatably mounted on the sliding seat on the corresponding side, and at least one of the sliding seats is provided with a second rotating assembly that enables the mounting seat to rotate relative to the sliding seat, and the second rotating assembly is connected to the corresponding mounting arm. In this way, the mounting seat with the flange can swing like a "swing" to change the deflection angle of the flange, and the flange can be connected to pipes of different shapes and specifications.

[0017] In order to align the mounting hole on the flange with the connecting hole on the flange, the mounting plate of the mounting seat is connected to the flange via a connecting plate, a third rotating assembly capable of driving the flange to rotate around its own axis is provided in the connecting plate, and the flange is connected to the third rotating assembly. The flange is rotated by the third rotating assembly so that the mounting hole on the flange is in a suitable position.

[0018] In order to adapt to pipes of different lengths, the tooling also includes a base and two groups of second slide groups fixed on the base, the two groups of second slide groups are arranged in parallel and at intervals, each of the second slide groups includes one second slide or two parallel second slides, the first slide and the second slide are arranged vertically, and each of the first sliding groups is mounted on the two groups of second slide groups and can slide along the second slide groups.

[0019] In order to ensure that flanges of different specifications can be firmly assembled on the flange plate, the flange plate includes a chuck, at least two slide rails spaced along the circumference of the chuck, and at least two claws correspondingly arranged in each slide rail, each slide rail extends radially along the chuck, and the claws are movably arranged in the corresponding slide rail. In this way, flanges of different diameters can be clamped by the movement of the claws, and a plurality of claws can simultaneously abut against the outer peripheral wall of the flange from the outside to the inside to clamp and fix the flange, or can simultaneously abut against the inner peripheral wall of the flange from the inside to the outside to tighten and fix the flange.

[0020] Compared with the prior art, the advantages of the present invention are as follows: 1. The tooling of the present invention includes two mounting frames for installing flanges, each mounting frame is slidably installed on a group of first slide groups, and the mounting frame can move a large distance along the first slide group. In this way, by adjusting the relative position between the two mounting frames, it is not only suitable for the alignment and assembly between the flange and the straight pipe, but also suitable for the alignment and assembly between the flange and the bent pipe or special-shaped pipe; 2. The tooling of the present invention can adjust the positional relationship between the two flanges from multiple dimensions, so as to adapt to pipes of different specifications and shapes, effectively ensure the assembly accuracy between the flange and the pipe, so that the flange and the pipe have a more accurate assembly relationship before welding and fixing, and adjust the position of the flange to make the axis center line of the flange coincide with the axis center line of the pipe, with high efficiency and high working accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0022] Figure 2 for Figure 1 Schematic diagram of the local structure;

[0023] Figure 3 for Figure 2 Schematic diagram of the decomposition of

[0024] Figure 4 for Figure 2 A schematic diagram of the structure of the mounting base;

[0025] Figure 5 for Figure 4 Schematic diagram of the decomposition of

[0026] Figure 6 for Figure 2 The structural diagram without the mounting frame;

[0027] Figure 7 for Figure 6 Schematic diagram of the decomposition of

[0028] Figure 8 for Figure 6 The enlarged view of point B;

[0029] Fig. 9 for Figure 1 Enlarged view of point A. DETAILED DESCRIPTION

[0030] The present invention is further described in detail below with reference to the accompanying drawings.

[0031] The tooling for aligning flanges and pipes of this embodiment can be used in various situations where flanges and pipes need to be welded. For example, it can be applied to the process of restoring the position and posture of pipe fittings and flanges based on photogrammetry. The method for restoring the position and posture of pipe fittings and flanges based on photogrammetry includes the following steps:

[0032] S1: Insert the measuring tool into the flange bolt hole for on-site point arrangement;

[0033] S2: Take close-up photos through a photographic device to collect the three-dimensional coordinates of the pipe fittings and flanges;

[0034] S3: Extract flange information from the database, perform 3D modeling, and generate an existing piping model;

[0035] S4: comparing the existing piping model generated in step S3 with the actual close-up pipe standard, outputting a processing drawing if it meets the actual close-up pipe standard, and manually adjusting if it does not meet the actual close-up pipe standard to generate a new existing piping model until it meets the actual close-up pipe standard; wherein the setting of the actual close-up pipe standard is based on the flange information extracted from the database in step S3;

[0036] S5: According to the data information of the output processing drawing, the finished pipe section is manufactured using the "tooling for aligning flanges with pipes" and installed on site.

[0037] like Figures 1 to 9 As shown, the tooling for aligning flanges with pipelines in this preferred embodiment includes a base A, a first slideway group 1a, a second slideway group 9a, and a mounting frame 2. In this embodiment, the length direction of the first slideway group 1a is the X direction, the length direction of the second slideway group 9a is the Y direction, and the up-down direction is the Z direction.

[0038] There are two first slideway groups 1a which are parallel to each other. Each first slideway group 1a includes two first slideways 1 which are parallel to each other. The two first slideways 1 in the same first slideway group 1a are connected by a connecting plate 12. Of course, there may be only one first slideway 1. Each first slideway group 1a is provided with a mounting frame 2, and each mounting frame 2 is provided with a flange plate 3 for mounting a flange.

[0039] To adjust the relative distance between the two flanges 3 in the Y direction to accommodate pipes of different lengths:

[0040] like Figure 1 As shown, two sets of second slideway groups 9a are fixedly provided on the base A in parallel and spaced apart from each other, each second slideway group 9a includes a second slideway 9, and the first slideway 1 and the second slideway 9 are vertically arranged.

[0041] Each first sliding group frame 1a is mounted on two second slideways 9, and each first slideway 1 is slidably connected to the corresponding second slideway 9 through a first slider, so that the first slideway 1 can slide along the second slideway 9, and a scale can be set on the second slideway 9, so that the first sliding group frame 1a can be pushed to a predetermined scale according to the data on the output processing drawing. Of course, each second slideway group 9a can also include a plurality of second slideways 9 parallel to each other to enhance the sliding stability of the first slideway group 1a.

[0042] like Figure 1 , 9 As shown, each first slideway group 1a is connected to the second locking device 0, so that when the first slideway group 1a moves into position along the second slideway 9, the first slideway group 1a is positioned by the second locking device 0. The second locking device 0 includes a second positioning plate 01 connected to one of the first slideways 1 in each first slideway group 1a, and a second positioning pin 02 is threadedly connected to the second positioning plate 01, and the second positioning pin 02 can abut against the side wall of the second slideway 9. Preferably, a second recess 91 is opened on the side wall of the second slideway 9, and the second positioning pin 02 is inserted and locked in the second recess 91.

[0043] In addition, the second positioning plate 01 of the second locking device 0 is connected to the corresponding first slide 1 through a second screw 03, the first end of the second screw 03 is threadedly connected to the first slide 1, and the second end passes through the second positioning plate 01 and is fixedly connected to the second stopper 04 limited on the outer wall of the second positioning plate 01, so that after the first sliding group frame 1a moves to the approximate position, the second positioning pin 02 is locked, and then the position of the corresponding first slide 1 is fine-tuned by rotating the second screw 03. Because the two first slides 1 of the same first slide group 1a are connected by a connecting plate 12, when one of the first slides 1 is positioned or fine-tuned, the other first slide 1 will move synchronously.

[0044] To be able to adjust the relative distance between the two flanges 3 in the X direction to accommodate straight or curved pipes:

[0045] like Figure 2 As shown, each mounting frame 2 is connected to a support seat 4, and each support seat 4 is slidably connected to the corresponding first slideway group 1a through a second slider. In this embodiment, since each first slideway group 1a has two first slideways 1, the support seat 4 is slidably mounted on the two first slideways 1. In addition, a scale can be set on the first slideway 1, so that the support seat 4 can be pushed to a predetermined scale according to the data on the output processing drawing.

[0046] like Figure 2 , 6 As shown in FIG. 8 , each support seat 4 is connected to two first locking devices 5 , and each first locking device 5 corresponds to a first slideway 1 , so that when the support seat 4 moves into position along the first slideway 1 , the support seat 4 is positioned by the first locking device 5 .

[0047] Each first locking device 5 includes a first positioning plate 51 connected to the support seat 4, and a first positioning pin 52 is threadedly connected to the first positioning plate 51. The first positioning pin 52 can be abutted against the side wall of the corresponding first slide 1. Preferably, a first recess 11 is opened on the side wall of the first slide 1, and the first positioning pin 52 is inserted and locked in the first recess 11.

[0048] Among the two first locking devices 5 corresponding to each support seat 4, the first positioning plate 51 of one of the first locking devices 5 is connected to the corresponding support seat 4 through a first screw 53, the first end of the first screw 53 is threadedly connected to the support seat 4, and the second end passes through the first positioning plate 51 and is fixedly connected to the first limiting piece 54 limited on the outer wall of the first positioning plate 51. In this way, after the support seat 4 moves to the approximate position, the first positioning pin 52 is locked, and then the position of the support seat 4 is fine-tuned by rotating the first screw 53.

[0049] To allow flange 3 to deflect to accommodate the special-shaped pipe:

[0050] like Figure 2 , 6 As shown in Figures 7 and 8, each support seat 4 is provided with a first rotating assembly 4a that enables the mounting frame 2 to rotate circumferentially relative to the support seat 4. The first rotating assembly 4a includes a first worm wheel 41 and a first worm 42 connected to the first worm wheel 41. The end of the first worm 42 extends out of the support seat 4 and is connected to the first handle 43. The first worm wheel 41 is connected to the corresponding mounting frame 2 and a first indexing plate 44 that rotates synchronously with the first worm wheel 41 is provided between the two. The first indexing plate 44 is connected to the mounting frame 2. The first handle 43 is operated to drive the first worm 42 to rotate. When the first worm 42 rotates, the first worm wheel 41 is driven to rotate. When the first worm wheel 41 rotates, the first indexing plate 44 is driven to rotate, and the mounting frame 2 is driven to rotate at the same time. Through the first indexing plate 44, the rotation angle of the mounting frame 2 can be intuitively known and the rotation angle can be accurately controlled, thereby improving the alignment accuracy of the flange 3 and the pipeline. In actual operation, the first indexing plate 44 is rotated by a predetermined angle according to the data information on the output processing drawing.

[0051] In order to adjust the relative position of the two flanges 3 in the Y direction, so that the flanges 3 are at a suitable height for assembling the flanges and pipes, otherwise it is inconvenient for construction personnel to operate if the flanges 3 are too high or too low:

[0052] like Figure 2 , 3 As shown, the mounting frame 2 includes a frame body 21 connected to the support seat 4 and a mounting seat 22 which is slidable up and down and is disposed on the frame body 21 , and a lifting assembly 6 which is drivingly connected to the mounting seat 22 is disposed on the frame body 21 .

[0053] In this embodiment, the frame body 21 is U-shaped, including side walls 211 that are oppositely disposed and extend up and down, and a bottom wall 212 connected between the side walls 211 , wherein the bottom wall 212 is connected to the support base 4 .

[0054] The mounting seat 22 is U-shaped, including a mounting plate 221 with a flange 3 installed and two mounting arms 222 arranged opposite to each other and connected to the mounting plate 221. The two mounting arms 222 are connected to a sliding seat 7. Each sliding seat 7 is slidably connected to the side wall 211 of the frame 21 on the corresponding side through a third slide 213 and a third slider 214. The third slide 213 is arranged on the side wall 211, and the third slider 214 is connected to the sliding seat 7. One of the sliding seats 7 moves up and down under the action of the lifting assembly 6.

[0055] The lifting assembly 6 includes a motor 61 and a fourth screw 62 driven to rotate by the motor 61. The fourth screw 62 is threadedly connected to the corresponding sliding seat 7. The fourth screw 62 extends in the up-down direction. When the fourth screw 62 rotates, it drives the sliding seat 7 to move up and down. A scale can be set on the third slideway 213. According to the data information on the output processing diagram, the sliding seat 7 drives the mounting seat 22 to move to a predetermined position.

[0056] To enable flange 3 to be turned over to accommodate the special-shaped pipe:

[0057] like Figure 2 , 3 As shown, the mounting arms 222 of the mounting seat 22 are all rotatably mounted on the sliding seat 7 on the corresponding side, wherein a second rotating assembly 7a is provided in one of the sliding seats 7 to enable the mounting seat 22 to rotate relative to the sliding seat 7, the second rotating assembly 7a comprises a second worm wheel 71 and a second worm 72 connected to the second worm wheel 71, the end of the second worm 72 extends out of the sliding seat 7 and is connected to the second handle 73, the second worm wheel 71 is connected to the mounting arm 222 of the corresponding mounting seat 22, and a second indexing plate 74 is provided between the two to rotate synchronously therewith, and the second indexing plate 74 is connected to the mounting arm 222. The second handle 73 is operated to drive the second worm 72 to rotate, the second worm 72 drives the second worm wheel 71 to rotate when the second worm 72 rotates, the second worm wheel 71 drives the second indexing plate 74 to rotate when the second worm wheel 71 rotates, and the mounting seat 22 is driven to rotate at the same time, and the rotation angle of the mounting seat 22 can be intuitively known through the second indexing plate 74 and the rotation angle can be accurately controlled, thereby improving the alignment accuracy of the flange 3 and the pipe fitting. In actual operation, the second indexing plate 74 is rotated by a predetermined angle according to the data information on the output processing diagram.

[0058] In order to enable the flange 3 to rotate around its own axis, it is convenient for the mounting hole 34 on the flange 3 to align with the connecting hole on the flange so as to assemble the flange on the flange 3:

[0059] like Figures 2 to 5 As shown, the mounting seat 22 is connected to the flange 3 through a connecting plate 8, and a third rotating assembly 8a is provided in the connecting plate 8, which can drive the flange 3 to rotate around its own axis. The third rotating assembly 8a includes a third worm wheel 81 and a third worm 82 connected to the third worm wheel 81 by transmission. The end of the third worm 82 extends out of the connecting plate 8 and is connected to the third handle 83. The third worm wheel 81 is connected to the corresponding flange 3 and a third indexing plate 84 is provided between the two to rotate synchronously with the third worm wheel 81. The third indexing plate 84 is connected to the flange 3. The third handle 83 is operated to drive the third worm 82 to rotate. When the third worm 82 rotates, the third worm wheel 81 is driven to rotate. When the third worm wheel 81 rotates, the third indexing plate 84 is driven to rotate, and the flange 3 is driven to rotate at the same time. Through the third indexing plate 84, the rotation angle of the flange 3 can be intuitively seen and the rotation angle can be accurately controlled, thereby improving the alignment accuracy of the flange 3 and the pipeline. In actual operation, according to the data information on the output processing drawing, the third indexing plate 84 is rotated by a predetermined angle.

[0060] In this embodiment, the structures of the first rotating assembly 4a, the second rotating assembly 7a, and the third rotating assembly 8a are the same. The tooling of this embodiment uses a dividing plate to precisely control the angle and distance of the flange surface, accurately reproduce the on-site installation conditions, and realize the rapid and accurate production of the flange pipe.

[0061] like Figure 4 , 5 As shown, in this embodiment, the flange 3 includes a chuck 31, at least two slide rails 32 circumferentially spaced apart from each other along the chuck 31, and at least two claws 33 correspondingly arranged in each slide rail 32. Each slide rail 32 extends radially along the chuck 31, and the claws 33 are movably arranged in the corresponding slide rail 32 (in this embodiment, the claws 33 can be manually operated to move), and a plurality of claws 33 can simultaneously abut against the outer peripheral wall of the flange from the outside to the inside to clamp and fix the flange, or can simultaneously abut against the inner peripheral wall of the flange from the inside to the outside to tighten and fix the flange.

[0062] In addition, there are three connecting holes 34 on the flange 3 and they are evenly distributed along the circumferential direction.

[0063] From the above, it can be seen that the tooling of this embodiment can adjust the positional relationship between the two flanges from multiple dimensions, so as to adapt to pipes of different specifications and shapes, effectively ensure the matching accuracy between the flange and the pipe, so that the flange and the pipe have a more precise matching relationship before welding and fixing.

Claims

1. A tool for aligning a flange with a pipeline, characterized in that: include There are two first slideway groups (1a) which are parallel to each other, and each of the first slideway groups (1a) comprises one first slideway (1) or at least two first slideways (1) which are parallel to each other; There are two mounting frames (2), each of which is slidably mounted on a first slideway group (1a), and each of the mounting frames (2) is provided with a flange plate (3) for mounting a flange; Each of the mounting frames (2) is slidably mounted on a corresponding first slideway assembly (1a) via a support seat (4), and each of the support seats (4) is provided with a first rotating assembly (4a) capable of causing the mounting frame (2) to rotate circumferentially relative to the support seat (4), and the mounting frame (2) is connected to the corresponding first rotating assembly (4a); The mounting frame (2) comprises a frame body (21) connected to a support seat (4) and a mounting seat (22) arranged on the frame body (21), and the mounting seat (22) is connected to a lifting assembly (6) capable of driving it to slide up and down along the frame body (21), and the flange (3) is arranged on the mounting seat (22); The frame (21) is U-shaped, comprising side walls (211) arranged opposite to each other and extending up and down, and a bottom wall (212) connected between the side walls (211), wherein the bottom wall (212) is connected to the support seat (4); The mounting seat (22) is U-shaped and comprises two mounting arms (222) arranged opposite to each other and a mounting plate (221) connected between the two mounting arms (222); the flange (3) is arranged on the mounting plate (221); the two mounting arms (222) are respectively slidably connected to the side walls (211) on the corresponding sides of the frame (21) through a sliding seat (7); at least one of the sliding seats (7) is driven by the lifting assembly (6); The mounting arm (222) of the mounting seat (22) is rotatably mounted on the sliding seat (7) on the corresponding side, and at least one of the sliding seats (7) is provided with a second rotating component (7a) capable of enabling the mounting seat (22) to rotate relative to the sliding seat (7), and the second rotating component (7a) is connected to the corresponding mounting arm (222); The invention also comprises a base (A) and two groups of second slideway groups (9a) fixed on the base (A); the two groups of second slideway groups (9a) are arranged in parallel and at intervals; each of the second slideway groups (9a) comprises a second slideway (9) or at least two second slideways (9) arranged in parallel; the first slideway (1) and the second slideway (9) are arranged vertically; each of the first slideway groups (1a) is mounted on the two groups of second slideway groups (9a) and can slide along the second slideway groups (9a).

2. The tool for aligning flanges and pipelines according to claim 1, characterized in that: The first rotating assembly (4a) comprises a first worm wheel (41) and a first worm (42) drivingly connected to the first worm wheel (41); the first worm wheel (41) is connected to a corresponding mounting frame (2) and a first indexing plate (44) is provided therebetween for synchronous rotation therewith; the first indexing plate (44) is connected to the mounting frame (2).

3. The tool for aligning flanges and pipelines according to claim 1, characterized in that: Each of the support seats (4) is connected to at least one first locking device (5), each first locking device (5) corresponds to a first slideway (1), and each first locking device (5) comprises a first positioning plate (51) connected to the support seat (4), a first positioning pin (52) being threadedly connected to the first positioning plate (51), and the first positioning pin (52) can abut against the side wall of the corresponding first slideway (1).

4. The tool for aligning flanges and pipelines according to claim 3, characterized in that: In at least one first locking device (5) corresponding to each of the support seats (4), a first positioning plate (51) in at least one first locking device (5) is connected to the corresponding support seat (4) via a first screw rod (53); a first end of the first screw rod (53) is threadedly connected to the support seat (4), and a second end passes through the first positioning plate (51) and is fixedly connected to a first limiting member (54) limited on the outer wall of the first positioning plate (51).

5. The tool for aligning flanges and pipelines according to claim 1, characterized in that: The mounting plate (221) of the mounting seat (22) is connected to the flange (3) via a connecting plate (8), a third rotating assembly (8a) capable of driving the flange (3) to rotate around its own axis is provided in the connecting plate (8), and the flange (3) is connected to the third rotating assembly (8a).

6. The tool for aligning flanges and pipelines according to any one of claims 1 to 5, characterized in that: The flange (3) comprises a chuck (31), at least two slide rails (32) arranged at intervals along the circumference of the chuck (31), and at least two claws (33) correspondingly arranged in each slide rail (32); each slide rail (32) extends radially along the chuck (31), and the claws (33) are movably arranged in the corresponding slide rail (32).

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