CN114905196A

CN114905196A - Welding device applied to pipeline

Info

Publication number: CN114905196A
Application number: CN202210508127.9A
Authority: CN
Inventors: 邵明建; 潘腾
Original assignee: Anhui Longtai Electrical Technology Co ltd
Current assignee: Anhui Longtai Electrical Technology Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-16

Abstract

The invention discloses a welding device applied to a pipeline, which comprises a fixed pipe, wherein a connecting pipe is rotatably arranged at the top of the fixed pipe, a connecting ring is fixedly arranged at the bottom of the connecting pipe, a fixed gear is sleeved on the connecting ring, a driving mechanism for driving the connecting pipe to rotate is arranged on one side of the fixed pipe, a driving motor is fixedly arranged in a fixed cover on the driving mechanism, a driving gear sleeved on an output shaft of the driving motor is meshed with the fixed gear, a plurality of fixing mechanisms are arranged in the fixed pipe, a welding mechanism is arranged on the connecting pipe, and a welding gun is fixedly arranged on one side of an installation plate on the welding mechanism. According to the invention, the fixing mechanisms are arranged in the fixing pipe, and the inward-propped pressing seats can be quickly abutted against the outer wall of the prefabricated pipeline, so that the fixing pipe is fixed, and the fixing mechanisms can be quickly fixed and loosened, so that the assembly and disassembly efficiency of the welding device is improved, and the welding efficiency of the continuous pipeline is further improved.

Description

Welding device applied to pipeline

Technical Field

The invention relates to the technical field of pipeline welding, in particular to a welding device applied to a pipeline.

Background

When the prefabricated pipeline is welded, the pipeline positioned at the previous section needs to be welded on the pipeline positioned at the next section, the traditional welding method is manual welding, and the welding time is long, the labor intensity is high, so that the welding intensity is low, the welding seam is uneven, and the quality effect is poor.

The invention with the application number of CN2018112893212 discloses an automatic welding device and a welding method for a pipe-jacking pipeline, wherein circumferential tracks are arranged on two sides of a pipeline welding groove in advance, and a welding assembly can advance on the circumferential tracks at a constant speed by adjusting a driving part on the welding assembly, so that the technical effects of uniform welding and high welding strength can be achieved; after the control assembly adjusts parameters such as the moving speed, the welding current and the like of the welding assembly, the welding assembly can automatically rotate along the track to weld; however, the invention has the following defects: firstly, when the pipeline is continuously welded, the welding assembly and the control assembly need to be repeatedly disassembled, so that the welding efficiency is reduced, and meanwhile, when the length of the jacking pipe is too long and the radius of the jacking pipe is too short, the problems that the welding assembly cannot be welded and the welding assembly cannot be taken out after welding exist; secondly, when the pipeline that is located the top appears rocking when welding, can lead to welding displacement welding seam quality problems such as too big, influence the welding of pipeline.

Disclosure of Invention

The invention aims to provide a welding device applied to a pipeline, which solves the following technical problems: (1) the continuous welding of pipes of different sizes is not possible; (2) the pipes at the top are prone to wobbling during welding.

The purpose of the invention can be realized by the following technical scheme:

the welding device applied to the pipeline comprises a fixed pipe, wherein a connecting pipe is rotatably installed at the top of the fixed pipe, a connecting ring is fixedly installed at the bottom of the connecting pipe, a fixed gear is sleeved on the connecting ring, a driving mechanism for driving the connecting pipe to rotate is arranged on one side of the fixed pipe, a driving motor is fixedly installed in a fixed cover on the driving mechanism, a driving gear sleeved on an output shaft of the driving motor is meshed with the fixed gear, a plurality of fixing mechanisms are arranged in the fixed pipe, a welding mechanism is arranged on the connecting pipe, a welding gun is fixedly installed on one side of a mounting plate on the welding mechanism, an air gun nozzle is fixedly installed on the other side of the mounting plate, connecting plates are slidably installed on two sides of the bottom of the mounting plate respectively, fixed blocks are fixedly installed on the opposite sides of the two connecting plates respectively, and screw rods are rotatably installed on the two fixed blocks respectively, two the screw rod all runs through-hole and threaded connection on the mounting panel has the nut, two the equal fixed mounting of nut is on the mounting panel.

As a further scheme of the invention, a fixed cylinder is fixedly mounted on a fixed seat of the fixed mechanism, a piston rod of the fixed cylinder is fixedly connected with one side of a movable plate, the movable plate is slidably mounted on a movable groove formed in the fixed seat, a pressing seat is arranged on one side of the fixed seat, the end parts of a plurality of movable rods rotatably mounted on two sides of the pressing seat are rotatably mounted on the fixed seat, and two symmetrical connecting assemblies are arranged between the movable plate and the pressing seat.

As a further scheme of the invention, the connecting assembly comprises a first connecting rod, a second connecting rod and a fixed rod, the first connecting rod and the second connecting rod are respectively slidably mounted at two ends of the fixed rod, one connecting rod is rotatably mounted on the movable plate, and the second connecting rod is rotatably mounted on the pressing seat.

As a further scheme of the invention, a buffer spring is sleeved on the fixed rod, and two ends of the buffer spring are respectively in butt fit with the first connecting rod and the second connecting rod.

As a further scheme of the invention, the cross section of the mounting plate is U-shaped, the two connecting plates are both mounted on the side wall of the connecting pipe through fixing bolts, and the fixing cover is fixedly mounted on the side wall of the fixing pipe.

As a further scheme of the invention, a window for the welding gun to pass through is arranged on the connecting pipe.

According to a further scheme of the invention, clamping mechanisms for fixing a pipeline are symmetrically arranged on two sides of the connecting pipe, a clamping cylinder is fixedly mounted on one side of a fixing frame on each clamping mechanism, a piston rod of each clamping cylinder penetrates through the fixing frame and is fixedly connected with an arc-shaped clamping block, and an arc-shaped fixing block is fixedly mounted on one side of the bottom of the fixing frame.

As a further scheme of the invention, the arc-shaped fixing block is fixedly arranged on the side wall of the fixing pipe.

The invention has the beneficial effects that:

according to the welding device applied to the pipeline, the plurality of fixing mechanisms are arranged in the fixing pipe, the plurality of inward-propped pressing seats can be quickly abutted against the outer wall of the prefabricated pipeline, so that the fixing pipe is fixed, and the fixing mechanisms can be quickly fixed and loosened, so that the assembly and disassembly efficiency of the welding device is improved, the welding efficiency of continuous pipelines is improved, the welding device is arranged on the outer wall of the prefabricated pipeline, prefabricated pipelines with different sizes can be welded, and the situation that the welding device cannot be welded due to the fact that the radius of the pipeline is too short is avoided; the rotatable connecting pipe is arranged on the fixed pipe, so that the welding mechanism on the connecting pipe can rotate around the welding position of the pipeline, the pipeline does not need to be rotated, the butt welding work of the pipeline can be rapidly completed, and the welding efficiency is improved; the mounting plate with the adjustable distance is arranged on the welding mechanism, so that the welding operation of pipelines with different radiuses is facilitated, the situation that a welding gun cannot weld a welding seam due to the fact that the radius of the pipeline is too short is avoided, an air gun nozzle arranged on one side of the mounting plate is used for blowing impurities adhered to the pipeline, the welding of the pipeline is prevented from being influenced, and the pipeline welding quality is improved; the fixture that connecting pipe top set up for the pipeline that is located the top can keep fixed under fixture's centre gripping when the pipeline is welding, avoids among the welding process pipeline to remove, causes the welding aversion, and quality problems such as welding seam grow have improved welded quality.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of a welding apparatus of the present invention applied to a pipe;

FIG. 2 is a schematic view of the structure of the connecting tube of the present invention;

FIG. 3 is a schematic structural view of the welding mechanism of the present invention;

FIG. 4 is a schematic structural view of the securing mechanism of the present invention;

FIG. 5 is a schematic structural view of the coupling assembly of the present invention;

fig. 6 is a schematic structural view of the clamping mechanism of the present invention.

In the figure: 1. fixing the tube; 2. a clamping mechanism; 21. a fixed mount; 22. a clamping cylinder; 23. an arc-shaped clamping block; 24. an arc-shaped fixed block; 3. a connecting pipe; 31. a connecting ring; 32. fixing a gear; 33. a window; 4. a drive mechanism; 41. a fixed cover; 42. a drive motor; 43. a drive gear; 5. a welding mechanism; 51. mounting a plate; 52. a connecting plate; 53. a screw; 54. a nut; 55. a fixed block; 56. a welding gun; 6. a fixing mechanism; 61. a fixed seat; 62. fixing the air cylinder; 63. moving the plate; 64. a travel bar; 65. a moving groove; 66. a connecting assembly; 661. a first connecting rod; 662. a second connecting rod; 663. fixing the rod; 67. and a pressing seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention is a welding device for a pipeline, including a fixed pipe 1, a connecting pipe 3 rotatably installed at the top of the fixed pipe 1, a connecting ring 31 fixedly installed at the bottom of the connecting pipe 3, a fixed gear 32 sleeved on the connecting ring 31, a window 33 for a welding gun 56 to pass through opened on the connecting pipe 3, a plurality of fixing mechanisms 6 installed in the fixed pipe 1, a driving mechanism 4 for driving the connecting pipe 3 to rotate installed at one side of the fixed pipe 1, and a welding mechanism 5 installed on the connecting pipe 3.

Referring to fig. 3, the welding mechanism 5 includes a mounting plate 51, the cross section of the mounting plate 51 is U-shaped, a welding gun 56 is fixedly mounted on one side of the mounting plate 51, and an air gun nozzle is fixedly mounted on the other side of the mounting plate 51 and connected with an air pump arranged outside for removing impurities adhered to the end of the pipeline, avoiding affecting the welding of the pipeline, and improving the quality of the pipeline welding; the two sides of the bottom of the mounting plate 51 are both provided with connecting plates 52 in a sliding manner, the two connecting plates 52 are both mounted on the side wall of the connecting pipe 3 through fixing bolts, one opposite sides of the two connecting plates 52 are both fixedly provided with fixing blocks 55, the two fixing blocks 55 are both rotatably provided with screw rods 53, the two sides of the mounting plate 51 are provided with through holes, the two screw rods 53 both penetrate through the through holes in the mounting plate 51 and are in threaded connection with nuts 54, and the two nuts 54 are fixedly mounted on the mounting plate 51; the mounting plate 51 with the adjustable distance is convenient for welding the pipelines with different radiuses, and the situation that the welding gun 56 cannot weld the welding seam due to the fact that the radius of the pipeline is too short is avoided; when the distance between the mounting plates 51 needs to be adjusted: the screws 53 on the two nuts 54 are rotated, the two screws 53 synchronously drive the fixed blocks 55 on one sides of the two connecting plates 52 to move, and then the two connecting plates 52 are driven to synchronously extend or shorten, so that the distance between the mounting plate 51 and the pipeline is adjusted, the welding gun 56 on the mounting plate 51 can contact the welding seam between the two pipelines, and the welding gun 56 can conveniently weld the pipelines.

Referring to fig. 2, the driving mechanism 4 includes a fixing cover 41, the fixing cover 41 is fixedly installed on the sidewall of the fixing tube 1, a driving motor 42 is fixedly installed in the fixing cover 41, a driving gear 43 is sleeved on an output shaft of the driving motor 42, and the driving gear 43 is engaged with the fixed gear 32; during the use, start driving motor 42, driving motor 42 output shaft drives drive gear 43 and rotates, drive gear 43 meshing fixed gear 32 drives connecting pipe 3 and rotates on fixed pipe 1, and then drive welder 56 on connecting pipe 3 and rotate, welder 56 of mounting panel 51 one side welds two pipe connection departments, welding mechanism 5 on the connecting pipe 3 can rotate round pipe welding department, thereby need not to carry out any rotation operation to the pipeline, alright in order to accomplish the butt joint weldment work of pipeline fast, welding efficiency has been improved.

Referring to fig. 4 and 5, the fixing mechanism 6 includes a fixing base 61, a fixing cylinder 62 is fixedly installed on the fixing base 61, a piston rod of the fixing cylinder 62 is fixedly connected to one side of a moving plate 63, a moving groove 65 is formed on the fixing base 61, the moving plate 63 is slidably installed on the moving groove 65, a pressing base 67 is arranged on one side of the fixing base 61, one ends of a plurality of moving rods 64 are rotatably installed on both sides of the pressing base 67, the other ends of the plurality of moving rods 64 are rotatably installed on the fixing base 61, two connecting assemblies 66 are arranged between the moving plate 63 and the pressing base 67, the two connecting assemblies 66 are symmetrically arranged, the connecting assemblies 66 include a first connecting rod 661, a second connecting rod 662 and a fixing rod 663, the first connecting rod 662 and the second connecting rod 662 are respectively slidably installed at both ends of the fixing rod 663, a buffer spring is sleeved on the fixing rod 663, both ends of the buffer spring are respectively in abutting fit with the first connecting rod 661 and the second connecting rod 662, the first connecting rod 661 is rotatably mounted on the moving plate 63, and the second connecting rod 662 is rotatably mounted on the pressing seat 67; when the device is used, the fixed pipe 1 is sleeved on the prefabricated pipeline, the fixed cylinder 62 is started, the piston rod of the fixed cylinder 62 drives the movable plate 63 to slide on the movable groove 65 of the fixed seat 61, so as to drive the connecting rod I661 on the connecting component 66 to move, the connecting rod I661 drives the connecting rod II 662 to move through the fixed rod 663, so as to drive the pressing seats 67 to move, the pressing seats 67 synchronously and inwards prop under the limit of the movable rod 64 and abut against the outer wall of the prefabricated pipeline, so that the fixed pipe 1 is fixed on the outer side of the prefabricated pipeline, the fixing mechanism 6 can be quickly fixed and loosened, the disassembly and assembly efficiency of the welding device is improved, the welding efficiency of the continuous pipeline is improved, the welding device is arranged on the outer wall of the prefabricated pipeline, the prefabricated pipelines with different sizes can be welded, the situation that the welding device cannot be welded due to the short radius of the pipeline is avoided, and the pipeline length cannot be too long, the problem of inconvenient welding and dismounting is caused, the practicability is high, and the application range is wide.

Referring to fig. 6, the clamping mechanisms 2 for fixing the pipeline are symmetrically arranged on two sides of the connecting pipe 3, each clamping mechanism 2 comprises a fixing frame 21, a clamping cylinder 22 is fixedly mounted on one side of each fixing frame 21, a piston rod of each clamping cylinder 22 penetrates through each fixing frame 21 and is fixedly connected with an arc-shaped clamping block 23, an arc-shaped fixing block 24 is fixedly mounted on one side of the bottom of each fixing frame 21, and each arc-shaped fixing block 24 is fixedly mounted on the side wall of the corresponding fixing pipe 1; during the use, will treat that welded pipe places in prefabricated pipeline top, starts clamping cylinder 22 this moment, and clamping cylinder 22 piston rod drives arc clamp splice 23 and removes, and two arc clamp splice 23 relative movement will treat welded pipe centre gripping in the middle of connecting pipe 3, avoid welding in-process pipeline to remove, cause the welding aversion, quality problems such as welding seam grow have improved welded quality.

Referring to fig. 1 to 6, the welding device for pipes according to the present embodiment works as follows:

the method comprises the following steps: sleeving the fixed pipe 1 on the prefabricated pipe, starting the fixed cylinder 62, driving a piston rod of the fixed cylinder 62 to drive the movable plate 63 to slide on the movable groove 65 of the fixed seat 61, further driving the first connecting rod 661 on the connecting assembly 66 to move, driving the second connecting rod 662 to move through the fixed rod 663 by the first connecting rod 661, further driving the pressing seats 67 to move, synchronously inwards propping open a plurality of pressing seats 67 under the limit of the movable rod 64, and butting against the outer wall of the prefabricated pipe, further fixing the fixed pipe 1 on the outer side of the prefabricated pipe;

step two: the pipeline to be welded is placed above the prefabricated pipeline, the clamping cylinder 22 is started at the moment, the piston rod of the clamping cylinder 22 drives the arc-shaped clamping blocks 23 to move, the two arc-shaped clamping blocks 23 move relatively to clamp the pipeline to be welded in the middle of the connecting pipe 3, the quality problems that the pipeline moves in the welding process, welding displacement is caused, a welding seam is enlarged and the like are solved, and the welding quality is improved;

step three: the screws 53 on the two nuts 54 are rotated, the two screws 53 synchronously drive the fixed blocks 55 on one sides of the two connecting plates 52 to move, and further the two connecting plates 52 are driven to synchronously extend to the welding seam between the two pipelines, so that the welding gun 56 on the mounting plate 51 can weld the pipelines, the mounting plate 51 with the adjustable interval is convenient for welding the pipelines with different radiuses, and the situation that the welding gun 56 cannot weld the welding seam due to the short radius of the pipeline is avoided;

step four: start driving motor 42, driving motor 42 output shaft drives drive gear 43 and rotates, and drive gear 43 meshing fixed gear 32 drives connecting pipe 3 and rotates on fixed pipe 1, and then drives the welder 56 rotation on the connecting pipe 3, and the cylinder shower nozzle of mounting panel 51 one side sweeps the impurity of adhesion on the pipeline, avoids influencing the welding between two pipelines, and the welder 56 of mounting panel 51 opposite side welds two pipe connection departments.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. Be applied to welding set of pipeline, including fixed pipe (1), its characterized in that, fixed pipe (1) top is rotated and is installed connecting pipe (3), connecting pipe (3) bottom fixed mounting has go-between (31), the cover is equipped with fixed gear (32) on go-between (31), fixed pipe (1) one side is provided with and is used for driving connecting pipe (3) pivoted actuating mechanism (4), fixed cover (41) internal fixation on actuating mechanism (4) has driving motor (42), drive gear (43) and fixed gear (32) intermeshing that the cover was established on driving motor (42) output shaft, be provided with a plurality of fixed establishment (6) in fixed pipe (1), be provided with welding mechanism (5) on connecting pipe (3), mounting panel (51) one side fixed mounting on welding mechanism (5) has welder (56), mounting panel (51) opposite side fixed mounting has the air gun shower nozzle, the equal slidable mounting in mounting panel (51) bottom both sides has connecting plate (52), two the equal fixed mounting in one side that connecting plate (52) is relative has fixed block (55), two all rotate on fixed block (55) and install screw rod (53), two screw rod (53) all run through-hole and threaded connection on mounting panel (51) have nut (54), two equal fixed mounting in mounting panel (51) of nut (54).

2. The welding device applied to the pipeline according to claim 1, wherein a fixed cylinder (62) is fixedly installed on a fixed seat (61) of the fixed mechanism (6), a piston rod of the fixed cylinder (62) is fixedly connected with one side of a movable plate (63), the movable plate (63) is slidably installed on a movable groove (65) formed in the fixed seat (61), a pressing seat (67) is arranged on one side of the fixed seat (61), the end parts of a plurality of movable rods (64) rotatably installed on two sides of the pressing seat (67) are rotatably installed on the fixed seat (61), and two symmetrical connecting assemblies (66) are arranged between the movable plate (63) and the pressing seat (67).

3. The welding device applied to the pipelines according to claim 2, wherein the connecting assembly (66) comprises a first connecting rod (661), a second connecting rod (662) and a fixed rod (663), the first connecting rod (661) and the second connecting rod (662) are respectively slidably mounted at two ends of the fixed rod (663), the first connecting rod (661) is rotatably mounted on the moving plate (63), and the second connecting rod (662) is rotatably mounted on the pressing seat (67).

4. The welding device applied to the pipelines according to claim 3, wherein a buffer spring is sleeved on the fixing rod (663), and two ends of the buffer spring are respectively in butt fit with the first connecting rod (661) and the second connecting rod (662).

5. The welding device applied to the pipelines according to claim 1, wherein the cross section of the mounting plate (51) is U-shaped, the two connecting plates (52) are both mounted on the side wall of the connecting pipe (3) through fixing bolts, and the fixing cover (41) is fixedly mounted on the side wall of the fixing pipe (1).

6. The welding device for pipes according to claim 1, wherein the connection pipe (3) has a window (33) for passing the welding torch (56).

7. The welding device applied to the pipelines according to claim 1, wherein clamping mechanisms (2) for fixing the pipelines are symmetrically arranged on two sides of the connecting pipe (3), a clamping cylinder (22) is fixedly mounted on one side of a fixing frame (21) on each clamping mechanism (2), a piston rod of each clamping cylinder (22) penetrates through the fixing frame (21) and is fixedly connected with an arc-shaped clamping block (23), and an arc-shaped fixing block (24) is fixedly mounted on one side of the bottom of the fixing frame (21).

8. Welding device applied to pipes according to claim 7, characterized in that said arc-shaped fixing block (24) is fixedly mounted on the side wall of the fixed pipe (1).