Welding device for sewage pipeline construction

Abstract

The utility model discloses a welding device for sewage pipeline construction, which belongs to the technical field of pipeline welding and comprises a plugging support component for plugging a sewage pipeline and a laser welding head detachably mounted on an inner support combined frame. One end of the welding supporting disc is connected with an inner supporting column through a triangular bearing seat, and a supporting device is arranged at the end of the inner supporting column. By integrating the four functions of pipeline plugging, cleaning, drying and welding, all repairing steps can be completed through one-time positioning in the pipeline, the problem that tedious early-stage preparation work such as plugging, cleaning and drying needs to be carried out in a traditional method is solved, the waiting time of equipment entering and exiting the pipeline for multiple times and procedure connection is avoided, and the working efficiency is improved. The whole repairing period is greatly shortened, the efficiency, quality and safety of maintenance construction of the sewage pipeline are remarkably improved through highly-integrated plugging, cleaning, drying and welding functions, and innovation of a traditional operation mode is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline welding technical field especially, relates to a kind of welding devices for sewage pipeline construction. BACKGROUND

[0002] Sewage pipeline is an important part of municipal infrastructure, sewage pipeline is used dirty water from source fast, safely transported to sewage treatment plant, after purification treatment, discharge back to natural water body again, prevent disease transmission and water pollution, in the operation process of sewage pipeline, pipeline breakage inevitably occurs, and maintenance construction needs to be carried out to sewage pipeline;

[0003] At present, when pipeline appears crack in the process of sewage pipeline maintenance construction, it can be maintained quickly by welding repair, then worker needs to close valve of damaged sewage pipeline in advance and carry out welding at corresponding position, the pipe diameter of sewage pipeline can meet the use under heavy rain condition, in daily life condition, the flow in pipeline is often little, in short-term welding repair, the effect of sewage cutting can be achieved by plugging pipeline, but the welding equipment of the prior art does not have plugging effect, and after plugging, welding site in pipeline needs to be dried and cleaned, which seriously restricts welding repair efficiency, therefore, a kind of welding device for sewage pipeline construction is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the prior art and provides a kind of welding device for sewage pipeline construction.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of welding device for sewage pipeline construction, including the plugging support component for plugging sewage pipeline and the detachable laser welding head of installation in inner support combination frame, the inner support combination frame includes welding support disc, one end of the welding support disc is connected with inner support column by triangular bearing seat, the end of the inner support column is provided with strutting device, the strutting device is arranged in the inside of plugging support component;

[0007] The welding support disc is connected with welding bearing swivel ring by rotating ring, the triangular bearing seat is provided with inner control drive assembly that drives welding bearing swivel ring to rotate, the welding bearing swivel ring is connected with cleaning seat by pressure fixing piece, the cleaning seat is provided with combustion device, the cleaning seat on both sides of combustion device is provided with scraping plate, the welding bearing swivel ring is connected with laser welding head by assembly;

[0008] The plugging support component includes outer air bag body and inner turning air bag, the inner turning air bag is in outer air bag body, the inner turning air bag is connected with high-pressure air pump by air pipe.

[0009] Preferably, the supporting device comprises an inner supporting disc mounted on the outer air bag body, and the outer sidewall of the inner supporting disc is connected with connecting plates through elastic telescopic rods, the connecting plates are uniformly arranged on the inner sidewall of the outer air bag body, and the connecting plates are connected with inner supporting struts through U-shaped connecting blocks.

[0010] Preferably, the inner turning air bag is provided with a dynamic pushing disc, the outer sidewall of the dynamic pushing disc is rotationally connected with the end portions of the plurality of inner supporting struts, and the dynamic pushing disc is telescopically connected with the inner supporting disc through a telescopic inner column.

[0011] Preferably, the inner control driving assembly comprises a driving motor arranged at the bottom of the triangular bearing seat, the output end of the driving motor outwardly extends through the sidewall of the welded supporting disc and is connected with a rotating gear, and the inner sidewall of the welded bearing rotating ring is fixedly provided with an inner fixed gear ring in meshing connection with the rotating gear.

[0012] Preferably, the pressure applying fixing part comprises an outer cylinder arranged on the outer sidewall of the welded bearing rotating ring, the inner wall of the outer cylinder is connected with an inner cylinder through a pressure spring, the inner cylinder is fixedly arranged at the bottom of the cleaning seat, and the combustion device comprises a burner and a gas pipeline, and the gas pipeline outwardly extends through the inner cylinder.

[0013] Preferably, the combination part comprises a mounting socket formed in the welded bearing rotating ring, the mounting socket is detachably mounted with a plug-in seat, a telescopic plate is movably arranged on the plug-in seat, a magnetic control pushing base is arranged at the end portion of the telescopic plate, the welded bearing rotating ring located at the mounting socket is provided with an electromagnetic seat repelling the magnetic control pushing base by magnetic force, and the laser welding head is fixedly arranged on the magnetic control pushing base.

[0014] Preferably, the bottom of the welded supporting disc is provided with an auxiliary elastic supporting pulley.

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

[0016] 1、 the device integrates four functions of pipeline plugging, cleaning, drying and welding, can complete all repair steps at one time positioning in the pipeline, solves the problem of tedious preliminary preparation work such as plugging, cleaning and drying in the traditional method, avoids the waiting time of equipment entering and exiting the pipeline and process connection, greatly shortens the overall repair period, significantly improves the efficiency, quality and safety of sewage pipeline maintenance construction through the highly integrated plugging, cleaning, drying and welding functions, and realizes the innovation of the traditional operation mode.

[0017] 2, the device is inflated to the inner turning air bag, indirectly pressurizes the outer air bag body, makes it closely fit with the inner wall of the pipeline, realizes the fast, effective temporary plugging, cuts off the sewage flow, creates the dry operation environment for the subsequent welding, the air bag expands, through the dynamic push disc and the inner support strut and other mechanical structures, provides stable, reliable internal support for the whole welding device, ensures the positioning accuracy and stable work of the equipment in the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The assembly structure diagram of the welding device for sewage pipeline construction is provided for the utility model.

[0019] Figure 2 The main body structure diagram of the welding device for sewage pipeline construction is provided for the utility model.

[0020] Figure 3 The structure diagram of the plugging support assembly in the welding device for sewage pipeline construction is provided for the utility model.

[0021] Figure 4 The connection relationship structure diagram of the welding support disc in the welding device for sewage pipeline construction is provided for the utility model.

[0022] Figure 5 The assembly structure diagram of the pressure applying fixing part in the welding device for sewage pipeline construction is provided for the utility model.

[0023] Figure 6 The connection relationship diagram of the combined part and the laser welding head in the welding device for sewage pipeline construction is provided for the utility model.

[0024] In the drawing: 1, laser welding head; 2, welding support disc; 3, triangular bearing seat; 4, inner support column; 5, rotating ring; 6, welding bearing rotating ring; 7, cleaning seat; 8, combustion device; 9, scraping plate; 10, outer air bag body; 11, inner turning air bag; 12, inner support disc; 13, elastic telescopic rod; 14, connecting sheet; 15, inner support strut; 16, dynamic push disc; 17, telescopic inner column; 18, driving motor; 19, inner fixed tooth ring; 20, pressure applying fixing part; 21, mounting socket; 22, plug-in seat; 23, magnetic control push seat. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Embodiments, with reference to Figures 1-6 A kind of sewage pipeline construction welding device, including the plugging support component for plugging sewage pipeline and detachably installed laser welding head 1 installed on inner support combination frame, laser welding head 1 is prior art, not detailed here, plugging support component includes outer gas bag body 10 and inner turning gas bag 11, inner turning gas bag 11 is in outer gas bag body 10, inner turning gas bag 11 is connected with high-pressure inflation pump by gas tube;

[0027] It is worth noting that outer gas bag body 10 has gas, when inner turning gas bag 11 is inflated under the action of high-pressure gas, it will extrude the gas in outer gas bag body 10, so that internal pressure increases, realizes the pressure boosting of outer gas bag body 10, to realize the support of inner support disc 12 connected therewith.

[0028] Welding support disc 2 one end is connected with inner support column 4 by triangular bearing seat 3, and inner support column 4 end is provided with support device, and support device is arranged in the inside of plugging support component;

[0029] Further, the support device includes the inner support disc 12 installed on the outer gas bag body 10, the outer side wall of the inner support disc 12 is connected with the connecting piece 14 through the elastic telescopic rod 13, the connecting piece 14 is evenly arranged on the inner side wall of the outer gas bag body 10, and the connecting piece 14 is connected with the inner support support rod 15 through the U-shaped connecting block, and the unfolded support device can effectively realize the support effect of the welding device in the pipeline.

[0030] Inner turning gas bag 11 is provided with dynamic push disc 16, and the outer side wall of dynamic push disc 16 is rotatably connected with the end of a plurality of inner support support rods 15, and dynamic push disc 16 is telescopically connected with inner support disc 12 through telescopic inner column 17.

[0031] It should be noted that the welding support disc 2 for supporting is supported by the inner support disc 12, the dynamic push disc 16 and the auxiliary elastic support pulley, which can ensure its stable support in the horizontal direction.

[0032] Inner support combination frame includes welding support disc 2, and the bottom of welding support disc 2 is provided with auxiliary elastic support pulley, wherein the auxiliary elastic support pulley can provide support force to welding support disc 2, so as to ensure that welding support disc 2 is supported by the support force of auxiliary elastic support pulley and outer gas bag body 10 when working, and ensure the support effect.

[0033] The welding support disc 2 is connected with a welding bearing swivel ring 6 through a rotating ring 5, the triangular bearing seat 3 is provided with an internal control driving assembly for driving the welding bearing swivel ring 6 to rotate, further, the internal control driving assembly comprises a driving motor 18 arranged at the bottom of the triangular bearing seat 3, the output end of the driving motor 18 extends outwardly through the side wall of the welding support disc 2 and is connected with a rotating gear, and the inner side wall of the welding bearing swivel ring 6 is fixedly provided with an inner fixed gear ring 19 which is meshed and connected with the rotating gear.

[0034] The welding bearing swivel ring 6 is connected with a cleaning seat 7 through a pressure fixing piece 20, further, the pressure fixing piece 20 comprises an outer cylinder arranged on the outer side wall of the welding bearing swivel ring 6, an inner cylinder connected with the outer cylinder through a pressure spring, and the inner cylinder is fixedly arranged at the bottom of the cleaning seat 7, and the combustion device 8 comprises a burner and a gas pipeline which extends outwardly through the inner cylinder.

[0035] The cleaning seat 7 is provided with the combustion device 8, the cleaning seat 7 located on both sides of the combustion device 8 is provided with a scraping plate 9, and the welding bearing swivel ring 6 is connected with the laser welding head 1 through a combination piece;

[0036] Further, the combination piece comprises a mounting socket 21 opened in the welding bearing swivel ring 6, a plug-in seat 22 which is detachably mounted in the mounting socket 21, an extension plate movably arranged on the plug-in seat 22, a magnetic control push base 23 arranged at the end of the extension plate, an electromagnetic seat arranged on the welding bearing swivel ring 6 at the mounting socket 21 and repelling the magnetic control push base 23, and the laser welding head 1 is fixedly arranged on the magnetic control push base 23, and the distance between the laser welding head 1 and the welding surface can be adjusted through the repelling force principle of the magnetic control push base 23 and the electromagnetic seat, so that precise focusing and welding are realized and different pipeline deformation conditions are adapted.

[0037] Working principle:

[0038] When the device is used, the whole device is placed at the damaged point of the sewage pipeline, at this time, the sealing support assembly is above the damaged point of the sewage pipeline, at this time, the inside of the inside turning air bag 11 is inflated through the high-pressure air pump, and the inside turning air bag 11 is continuously inflated under the action of high-pressure gas, the inflation of the inside turning air bag 11 drives the connected dynamic push disc 16 to move and gradually approach the inside supporting disc 12, in this process, the continuously inflated inside turning air bag 11 extrudes the outer air bag body 10, so that the outer air bag body 10 is tightly attached to the inner wall of the pipeline, so as to achieve the purpose of sealing the pipeline.

[0039] After the completion of the pipeline sealing, the expanded outer air bag body 10 and the inner turning air bag 11 can realize effective support to the welding support disc 2 at this time, at this time, the welding bearing swivel 6 can be driven to rotate by the internal control driving assembly, the combustion device 8 arranged on the welding bearing swivel 6 is moved to the sewage pipeline, in the process of rotating, the cleaning seat 7 connected with the pressure fixing piece 20 can exert pressure on the scraping plate 9, the scraping plate 9 can scrape and clean the welding position in advance, at this time, the combustion device 8 is ignited by the igniter, the welding position is burned and dried in advance, the dryness of the welding position is ensured, and after the combustion, the scraping plate 9 can clean the dry pipeline inner wall after burning again when the cleaning seat 7 is driven to rotate by the welding bearing swivel 6, to ensure that the welding position is dry and clean, then the welding bearing swivel 6 is driven to rotate by the internal control driving assembly, the laser welding head 1 is moved to the position to be welded, the pipeline is welded by laser, and the pipeline is repaired.

[0040] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person 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 welding device for sewer pipeline construction, comprising a plugging support assembly for plugging a sewer pipeline and a detachably mounted laser welding head (1) mounted on an inner support assembly frame, characterized in that, The inner support combination frame comprises a welding support disc (2), one end of which is connected with an inner support column (4) through a triangular bearing seat (3), and the end of the inner support column (4) is provided with a supporting device arranged in the inside of a plugging support assembly; The welding support disc (2) is connected with a welding bearing swivel ring (6) through a rotating ring (5), the triangular bearing seat (3) is provided with an inner control driving assembly for driving the welding bearing swivel ring (6) to rotate, the welding bearing swivel ring (6) is connected with a cleaning seat (7) through a pressure fixing piece (20), the cleaning seat (7) is provided with a combustion device (8), the cleaning seat (7) on both sides of the combustion device (8) is provided with a scraping plate (9), and the welding bearing swivel ring (6) is connected with a laser welding head (1) through a combination piece. The plugging support assembly comprises an outer air bag body (10) and an inner turning air bag (11), the inner turning air bag (11) is arranged in the outer air bag body (10), and the inner turning air bag (11) is connected with a high-pressure air pump through an air pipe.

2. The apparatus according to claim 1, wherein The supporting device comprises an inner support disc (12) mounted on the outer air bag body (10), the outer side wall of the inner support disc (12) is connected with a connecting plate (14) through an elastic telescopic rod (13), the connecting plates (14) are uniformly arranged on the inner side wall of the outer air bag body (10), and the connecting plates (14) are connected with inner support support rods (15) through U-shaped connecting blocks.

3. A device for welding sewer pipes according to claim 2, characterized in that The inner turning air bag (11) is provided with a dynamic pushing disc (16), the outer side wall of the dynamic pushing disc (16) is rotatably connected with the end portions of the plurality of inner support support rods (15), and the dynamic pushing disc (16) is telescopically connected with the inner support disc (12) through a telescopic inner column (17).

4. The device according to claim 1, wherein The inner control driving assembly comprises a driving motor (18) arranged at the bottom of the triangular bearing seat (3), the output end of the driving motor (18) extends outwardly through the side wall of the welding support disc (2) and is connected with a rotating gear, and the inner side wall of the welding bearing swivel ring (6) is fixedly provided with an inner fixed gear ring (19) which is meshedly connected with the rotating gear.

5. The device according to claim 1, wherein The pressure fixing piece (20) comprises an outer cylinder arranged on the outer side wall of the welding bearing swivel ring (6), an inner cylinder connected with the inner wall of the outer cylinder through a pressure spring, and the inner cylinder is fixedly arranged at the bottom of the cleaning seat (7), the combustion device (8) comprises a burner and a gas pipeline, and the gas pipeline extends outwardly through the inner cylinder.

6. The device according to claim 1, wherein The combination piece comprises a mounting socket (21) formed in the welding bearing swivel ring (6), a plug-in seat (22) which is detachably mounted in the mounting socket (21), a telescopic plate movably arranged on the plug-in seat (22), a magnetic control pushing base (23) arranged at the end portion of the telescopic plate, an electromagnetic seat arranged on the welding bearing swivel ring (6) at the position of the mounting socket (21) and magnetically repelling the magnetic control pushing base (23), and the laser welding head (1) is fixedly arranged on the magnetic control pushing base (23).

7. The device according to claim 1, wherein An auxiliary elastic support pulley is arranged at the bottom of the welding support disc (2).

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