CN220006630U - Auxiliary device for welding large-diameter pipeline - Google Patents

Auxiliary device for welding large-diameter pipeline Download PDF

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Publication number
CN220006630U
CN220006630U CN202320717399.XU CN202320717399U CN220006630U CN 220006630 U CN220006630 U CN 220006630U CN 202320717399 U CN202320717399 U CN 202320717399U CN 220006630 U CN220006630 U CN 220006630U
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China
Prior art keywords
pipeline
diameter
support
diameter pipeline
pressing plate
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Chinese (zh)
Inventor
高朋辉
王胤安
杨万锋
周礼勇
陈鑫
周田兵
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Northwest Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Northwest Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
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Abstract

The utility model discloses an auxiliary device for welding a large-diameter pipeline, which comprises a pipeline fixing bracket, a pulley (2), a pipeline pressing plate (9) and a locking assembly, wherein the pulley is arranged on the pipeline fixing bracket; the pipeline fixing bracket is arranged at the installation position of the large-diameter pipeline, and the top of the pipeline fixing bracket is provided with a pipeline supporting groove (13) so that the bottom of the large-diameter pipeline is embedded into the pipeline supporting groove in a matching way; the plurality of pipeline fixing brackets are axially arranged at intervals along the large-diameter pipeline, so that the large-diameter pipeline horizontally rests on the plurality of pipeline fixing brackets through the pipeline supporting grooves and is coaxially butted with the installed pipeline; a plurality of pulleys are distributed in each pipeline supporting groove at intervals, and the tops of the pulleys extend to the upper part of the pipeline supporting groove and are in rolling contact with the outer wall of the large-diameter pipeline; the pipeline pressing plate is detachably connected to the pipeline fixing support through the locking assembly and is pressed on the top of the large-diameter pipeline. The utility model can solve the problems of poor positioning precision and difficult rotation of the large-diameter pipeline in the prior art.

Description

Auxiliary device for welding large-diameter pipeline
Technical Field
The utility model relates to a pipeline bracket, in particular to an auxiliary device for welding a large-diameter pipeline.
Background
In municipal construction projects and electromechanical construction projects, the use amount of pipelines is large, the required pipeline is long, the pipe diameter reaches several meters, and the finished pipeline sections are required to be installed and welded after being transported to the site. At present, the traditional pipeline installation and butt joint modes are as follows: lifting the large-diameter pipeline to the installation position through the lifting equipment by a lifting chain, controlling the direction of the large-diameter pipeline below the large-diameter pipeline by constructors, enabling the large-diameter pipeline to fall to the designated position, and welding the large-diameter pipeline and the installed large-diameter pipeline.
The traditional large-pipe-diameter pipeline lifting mode has the problem that the positioning precision of the large-pipe-diameter pipeline is poor, construction staff is required to repeatedly adjust the lower part and the two sides of the large-pipe-diameter pipeline, the construction efficiency is low, and the potential safety hazard is large. Meanwhile, when the large-diameter pipeline is welded, the large-diameter pipeline may need to be rotated around the lifting axis, and because the pipe diameter and the mass of the large-diameter pipeline are large, the large-diameter pipeline is rotated by manpower, which is time-consuming and labor-consuming, and the coaxial butt joint precision of the large-diameter pipeline is easy to influence. The problems of positioning precision and butt joint precision of the large-diameter pipeline can cause quality problems of welding leakage, cold cracks, undercut, stagger, bending, cracks, arc pits, air holes, cracks and the like in the welding of the large-diameter pipeline, and the service life of the large-diameter pipeline is shortened. Therefore, it is necessary to provide an auxiliary device for welding large-diameter pipelines, which can solve the problems of poor positioning precision and difficult rotation of the large-diameter pipelines in the prior art.
Disclosure of Invention
The utility model aims to provide an auxiliary device for welding a large-diameter pipeline, which can solve the problems of poor positioning precision and difficult rotation of the large-diameter pipeline in the prior art.
The utility model is realized in the following way:
an auxiliary device for welding a large-pipe-diameter pipeline comprises a pipeline fixing bracket, a pulley, a pipeline pressing plate and a locking assembly; the pipeline fixing support is fixedly arranged at the installation position of the large-diameter pipeline, and a pipeline supporting groove is formed at the top of the pipeline fixing support, so that the bottom of the large-diameter pipeline can be matched and embedded into the pipeline supporting groove; the plurality of pipeline fixing brackets are arranged at intervals along the axial direction of the large-diameter pipeline, so that the large-diameter pipeline horizontally rests on the plurality of pipeline fixing brackets through the pipeline supporting grooves and is coaxially butted with the installed pipeline; a plurality of pulleys are distributed in the pipeline supporting groove of each pipeline fixing bracket at intervals, and the tops of the pulleys extend to the upper part of the pipeline supporting groove and are in rolling contact with the outer wall of the large-diameter pipeline; the pipeline pressing plate is detachably connected to the pipeline fixing support through the locking assembly and is pressed on the top of the large-diameter pipeline.
The center of the pipeline supporting groove is positioned on the axis of the installed large-diameter pipeline, the top surfaces of the pulleys are positioned on the same arc surface, and the arc surface can be matched and attached with the outer wall of the large-diameter pipeline.
The pipeline fixing support comprises a support plate and a side support frame; the top parts of the pair of support plates are arc-shaped concave to form a pipeline supporting groove; two ends of the pair of support plates are respectively and fixedly connected with the two side support frames, so that the pair of support plates are vertically arranged at the installation position of the large-diameter pipeline of the pipeline through the two side support frames; the pulley is rotatably arranged in a gap between a pair of support plates through a rotating shaft.
The side support frame comprises a vertical support and a transverse support; the vertical supports and the transverse supports are vertically connected into an inverted T-shaped structure, and the end parts of the pair of support plates are respectively connected to the vertical supports; the locking assembly is arranged on the vertical supports of the pair of side support frames.
The locking assembly comprises a fixing mechanism and a rotating mechanism, the pipeline pressing plate is of a strip-shaped arc-shaped plate structure, one end of the pipeline pressing plate is rotatably connected to the vertical support of one side support frame through the rotating mechanism, and the other end of the pipeline pressing plate is detachably connected to the vertical support of the other side support frame through the fixing mechanism.
The rotating mechanism comprises a central shaft and a bearing; the center pin is installed on the vertical support of one of them side support frame, and the rotatable cup joints on the center pin of bearing, and the one end and the bearing fixed connection of pipeline clamp plate.
The fixing mechanism comprises a fastening sleeve and a fastening belt; the fixed setting of adapter sleeve is on the vertical support of one of them side support frame, and the one end and the other end fixed connection of pipeline clamp plate of fastening area, the other end detachable connection of fastening area is on the adapter sleeve.
The plane where the support plate is located is perpendicular to the axial direction of the large-diameter pipeline, and the axial direction of the transverse support is parallel to the axial direction of the large-diameter pipeline.
And stiffening plates are arranged between the two sides of the bottom of the vertical support and the transverse support, and the vertical support, the stiffening plates, the transverse support and the pair of support plates are connected into an integrated structure.
The pipeline pressing plate is provided with an anti-slip pad on one surface facing the large-diameter pipeline, so that the pipeline pressing plate is tightly pressed on the large-diameter pipeline through the anti-slip pad.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model has the advantages that the utility model is provided with the pipeline fixing bracket, can be arranged at the installation position of the large-diameter pipeline and provides stable support for the large-diameter pipeline, meanwhile, the pulley which is uniformly distributed on the pipeline supporting groove plays a guiding role when the large-diameter pipeline is put down, the coaxiality of the large-diameter pipeline and the installed large-diameter pipeline is ensured, and the large-diameter pipeline can rotate in the pipeline supporting groove through the pulley, thereby facilitating the butt welding operation between the large-diameter pipelines, avoiding the problems of time and labor waste, poor positioning precision and low construction of manual alignment coaxiality, and being beneficial to improving the welding precision and welding quality of the large-diameter pipeline.
2. The utility model is provided with the pipeline pressing plate, the rotating mechanism and the fixing mechanism, so that the pipeline pressing plate can flexibly rotate and open through the rotating mechanism, the lifting, the lowering, the positioning and the adjustment of the large-diameter pipeline are facilitated, the pipeline pressing plate is conveniently locked through the fixing mechanism, and is tightly pressed on the large-diameter pipeline through the anti-slip pad, the large-diameter pipeline is prevented from shifting and rotating in the welding process, and the welding quality of the large-diameter pipeline is facilitated to be improved.
3. The utility model can be made of steel materials, is easy to obtain materials and manufacture, can be manufactured according to the size of the large-diameter pipeline, ensures the positioning and rotation adjustment precision of the large-diameter pipeline, has low cost, is convenient and quick to assemble and disassemble, has high turnover utilization rate and saves materials.
Drawings
FIG. 1 is a perspective view (front view) of the large pipe diameter pipe welding auxiliary device of the present utility model;
FIG. 2 is a perspective view (side view) of the large pipe diameter pipe welding auxiliary device of the present utility model;
FIG. 3 is a perspective view of a pipe fixing bracket in the large pipe diameter pipe welding auxiliary device of the present utility model;
FIG. 4 is a schematic view of the installation of the pulley and the bracket plate in the large pipe diameter pipeline welding auxiliary device of the utility model;
FIG. 5 is a perspective view of a pulley and a shaft in the large diameter pipe welding auxiliary device of the present utility model;
fig. 6 is a perspective view of a rotating mechanism in the large-diameter pipeline welding auxiliary device of the utility model.
In the figure, 1 is a rotating shaft; 2-pulleys; 3-a support plate; 4-vertical support; 5-stiffening plates; 6-transverse support; 7, a fastening sleeve; 8, a fastening belt; 9-a pipeline pressing plate; 10-an anti-slip pad; 11-a central axis; 12-a bearing; 13-pipe support groove.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 and 2, an auxiliary device for welding a large-diameter pipeline comprises a pipeline fixing bracket, a pulley 2, a pipeline pressing plate 9 and a locking assembly; the pipeline fixing bracket is fixedly arranged at the installation position of the large-diameter pipeline, and the top of the pipeline fixing bracket is provided with a pipeline supporting groove 13, so that the bottom of the large-diameter pipeline can be matched and embedded into the pipeline supporting groove 13; the plurality of pipeline fixing brackets are arranged at intervals along the axial direction of the large-diameter pipeline, so that the large-diameter pipeline horizontally rests on the plurality of pipeline fixing brackets through the pipeline supporting grooves 13 and is coaxially butted with the installed pipeline; a plurality of pulleys 2 are distributed in the pipeline supporting groove 13 of each pipeline fixing bracket at intervals, and the tops of the pulleys 2 extend to the upper part of the pipeline supporting groove 13 and are in rolling contact with the outer wall of the large-diameter pipeline; the pipeline pressing plate 9 is detachably connected to the pipeline fixing support through the locking assembly and is pressed on the top of the large-diameter pipeline.
The pipe fixing bracket can be pre-installed on the ground at the installation position of the large-diameter pipe, and the coaxiality of the pipe supporting groove 13 and the installed large-diameter pipe is ensured during installation. And then the large-diameter pipeline is hoisted to the pipeline fixing support, the pipeline supporting groove 13 is utilized to play a role in guiding in the hoisting and lowering process, manual adjustment operation is reduced, when the large-diameter pipeline falls to the bottom of the large-diameter pipeline and is matched and embedded in the pipeline supporting groove 13, the large-diameter pipeline is just coaxially arranged with the installed large-diameter pipeline, and the problem of positioning error of manual adjustment is avoided. The large-diameter pipeline can be stably supported and positioned by a plurality of pipeline fixing brackets which are axially and alternately distributed along the large-diameter pipeline.
The pulley 2 can be in rolling contact with the outer wall of the large-diameter pipeline, sliding friction is converted into rolling friction, friction force is greatly reduced, so that the large-diameter pipeline can rotate relative to the pipeline fixing support, the butt joint coaxial precision of the large-diameter pipeline and the installed large-diameter pipeline is guaranteed, subsequent welding operation is facilitated, the physical consumption of manually rotating the large-diameter pipeline is reduced, and meanwhile the problem of deviation caused by manually rotating the large-diameter pipeline is avoided. Preferably, the pulleys 2 are uniformly distributed on the pipeline fixing support, so that stable and uniform supporting force is ensured to be provided for each position of the large-diameter pipeline, and stable arrangement and rotation of the large-diameter pipeline are ensured.
After rotating in place, the large-diameter pipeline can be locked on the pipeline fixing support through the pipeline pressing plate 9 by the locking component, so that the large-diameter pipeline is prevented from rotating in the welding process.
The circle center of the pipeline supporting groove 13 is positioned on the axis of the installed large-diameter pipeline, the top surfaces of the pulleys 2 are positioned on the same arc surface, and the arc surface can be matched and attached with the outer wall of the large-diameter pipeline.
After the large-diameter pipeline is arranged on the pulleys 2 of the pipeline fixing support, the large-diameter pipeline can be coaxially butted with the installed large-diameter pipeline. Simultaneously, a plurality of pulley 2 matches the laminating with the outer wall of big pipe diameter pipeline, can guarantee to support the stable laminating of big pipe diameter pipeline, guarantees the stable rotation of big pipe diameter pipeline simultaneously, can not take place the skew in the rotation process.
Preferably, the size of the pipe supporting groove 13 and the installation positions of the plurality of pulleys 2 can be manufactured according to the size of the large-diameter pipe to be installed, and the number of the pulleys 2 can be increased or decreased according to the supporting and rotating requirements.
Referring to fig. 1 to 3, the pipe fixing bracket includes a bracket plate 3 and a side bracket; the pair of support plates 3 are arranged in parallel at intervals, and the tops of the pair of support plates 3 are arc-shaped concave to form a pipeline supporting groove 13; two ends of the pair of support plates 3 are respectively and fixedly connected with the two side support frames, so that the pair of support plates 3 are vertically arranged at the installation position of the large-diameter pipeline of the pipeline through the two side support frames; the pulley 2 is rotatably disposed in a gap between a pair of bracket plates 3 through a rotation shaft 1.
Preferably, the support plates 3 can be made of steel plates in a cutting mode, the strength is high, the bearing capacity is high, the pair of support plates 3 are arranged at intervals in parallel, and reliable and stable support of the pair of support plates 3 on large-diameter pipelines can be guaranteed. The side support frames are used for reinforcing the two ends of the pair of support plates 3 and guaranteeing the vertical stable arrangement of the pair of support plates 3.
Referring to fig. 1 to 3, the side support comprises a vertical support 4 and a lateral support 6; the vertical supports 4 and the transverse supports 6 are vertically connected into an inverted T-shaped structure, and the end parts of the pair of support plates 3 are respectively connected to the vertical supports 4; the locking assembly is arranged on the vertical supports 4 of the pair of side support frames.
Preferably, the vertical support 4 and the transverse support 6 can be made by adopting channel steel cutting, the end parts of the pair of support plates 3 are respectively welded and fixed with wing plates on two sides of the channel steel of the vertical support 4, and the locking assembly can be arranged on a channel steel web plate and the wing plates on two sides of the channel steel of the vertical support 4. The length of the vertical supports 4 and the lateral supports 6 can be selected according to the support requirements.
Referring to fig. 1 and 2, the locking assembly includes a fixing mechanism and a rotating mechanism, the pipe pressing plate 9 is in a strip-shaped arc plate structure, one end of the pipe pressing plate 9 is rotatably connected to the vertical support 4 of one side support frame through the rotating mechanism, and the other end of the pipe pressing plate 9 is detachably connected to the vertical support 4 of the other side support frame through the fixing mechanism.
The pipeline clamp plate 9 is opened or closed through the tilting mechanism upset, is fixed through fixed establishment after the closure, and the hoist and mount and the fixed of big pipe diameter pipeline of being convenient for ensure that pipeline clamp plate 9 compresses tightly big pipe diameter pipeline, can not rotate on pulley 2 when making its welding.
Referring to fig. 6, the rotating mechanism includes a central shaft 11 and a bearing 12; the center pin 11 is installed on the vertical support 4 of one of them side support frame, and the rotatable cup joint of bearing 12 is on center pin 11, and the one end and the bearing 12 fixed connection of pipeline clamp plate 9.
The central shaft 11 is arranged at the top of wing plates at two sides of channel steel of the vertical support 4, the pipeline pressing plate 9 rotates around the central shaft 11 through the bearing 12, and the pipeline pressing plate 9 rotates flexibly and conveniently. Preferably, a groove can be formed in the top of the channel steel web of the vertical support 4, so that interference with the top of the channel steel web of the vertical support 4 during rotation of the pipeline pressing plate 9 is avoided.
Referring to fig. 1, the fixing mechanism includes a fastening sleeve 7 and a fastening belt 8; the fixed setting of adapter sleeve 7 is on the vertical support 4 of one of them side support frame, and the one end and the other end fixed connection of pipeline clamp plate 9 of fastening area 8, the other end detachable connection of fastening area 8 is on adapter sleeve 7.
The fastening belt 8 is bound on the fastening sleeve 7, so that the pipeline pressing plate 9 can be fixed on the support plate 3 in a covering manner and used for pressing a large-pipe-diameter pipeline between the support plate 3 and the pipeline pressing plate 9, and preferably, the pipeline pressing plate 9 can be made of a deformable thin steel plate, so that the pipeline pressing plate can be better attached to the outer wall of the large-pipe-diameter pipeline through small deformation after the fastening belt 8 is bound.
The plane where the support plate 3 is located is perpendicular to the axial direction of the large-diameter pipeline, the axial direction of the transverse support 6 is parallel to the axial direction of the large-diameter pipeline, the pipeline fixing support is guaranteed to provide vertical support from bottom to top for the large-diameter pipeline, the force transmission is facilitated, and the support stability is high.
Referring to fig. 3, stiffening plates 5 are disposed between two sides of the bottom of the vertical support 4 and the transverse supports 6, and the vertical support 4, the stiffening plates 5, the transverse supports 6 and the pair of support plates 3 are connected into an integral structure.
The structural strength and the bearing capacity of the pipeline fixing support can be improved through the arrangement of the stiffening plate 5, and preferably, the stiffening plate 5 can be made of steel plates.
The pipeline pressing plate 9 is provided with an anti-slip pad 10 on one surface facing the large-diameter pipeline, so that the pipeline pressing plate 9 is tightly pressed on the large-diameter pipeline through the anti-slip pad 10.
Preferably, the anti-slip pad 10 can be made of rubber materials, so that friction between the pipeline pressing plate 9 and a large-diameter pipeline is increased, and the compression effect of the pipeline pressing plate 9 on the large-diameter pipeline is improved.
Referring to fig. 1 to 6, the application method and the working principle of the utility model are as follows:
the utility model is fixedly arranged on the foundation at the installation position of the large-diameter pipeline in a screw connection mode and the like, and the utility model is arranged at the positions, close to the end parts, of the two ends of the large-diameter pipeline, and the installation quantity of the utility model can be increased according to the length of the large-diameter pipeline. In the installation of the present utility model, the center of the pipe support groove 13 should be ensured to be located on the axis of the installed large-diameter pipe.
The large-diameter pipeline is lifted by the lifting equipment and falls onto the two pipeline supporting grooves 13, if transverse position deviation exists between the large-diameter pipeline and the pipeline supporting grooves 13 during the descending, the large-diameter pipeline can slide to the bottom of the pipeline supporting grooves 13 through the guiding of the pipeline supporting grooves 13, so that the large-diameter pipeline is coaxial with the installed large-diameter pipeline, the pulley 2 is in rolling contact with the outer wall of the large-diameter pipeline, the non-blocking descending of the large-diameter pipeline is facilitated, the lifting precision and efficiency of the large-diameter pipeline are improved, and scratch damage to the outer wall of the large-diameter pipeline is avoided.
When welding operation, if need rotate big pipe diameter pipeline, the manual work rotates big pipe diameter pipeline, utilizes the relative roll between pulley 2 and the big pipe diameter pipeline to assist the rotation of big pipe diameter pipeline, and the rotation process is light, laborsaving, high-efficient, is favorable to the accurate butt joint between the big pipe diameter pipeline.
After the large-diameter pipeline is placed down and rotated and positioned, the pipeline pressing plate 9 is turned around the central shaft 11 through the bearing 12 to cover the top of the large-diameter pipeline, and the pipeline pressing plate 9 is bound on the fastening sleeve 7 through the fastening belt 8, so that the pipeline pressing plate 9 is ensured to be fixedly pressed on the large-diameter pipeline. Meanwhile, the fixing reliability of the large-diameter pipeline is improved through the anti-skid pad 10, the large-diameter pipeline is ensured not to move or rotate in the welding process, and the welding operation of the large-diameter pipeline can be performed.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, therefore, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A large pipe diameter pipeline welding auxiliary device is characterized in that: comprises a pipeline fixing bracket, a pulley (2), a pipeline pressing plate (9) and a locking component; the pipeline fixing support is fixedly arranged at the installation position of the large-diameter pipeline, and a pipeline supporting groove (13) is formed at the top of the pipeline fixing support, so that the bottom of the large-diameter pipeline can be embedded into the pipeline supporting groove (13) in a matching manner; the plurality of pipeline fixing brackets are arranged at intervals along the axial direction of the large-diameter pipeline, so that the large-diameter pipeline horizontally rests on the plurality of pipeline fixing brackets through the pipeline supporting grooves (13) and is coaxially butted with the installed pipeline; a plurality of pulleys (2) are distributed in the pipeline supporting groove (13) of each pipeline fixing bracket at intervals, and the tops of the pulleys (2) extend to the upper part of the pipeline supporting groove (13) and are in rolling contact with the outer wall of a large-diameter pipeline; the pipeline pressing plate (9) is detachably connected to the pipeline fixing support through the locking assembly and is pressed on the top of the large-diameter pipeline.
2. The large-diameter pipeline welding auxiliary device according to claim 1, wherein: the center of the pipeline supporting groove (13) is positioned on the axis of the installed large-diameter pipeline, the top surfaces of the pulleys (2) are positioned on the same arc surface, and the arc surface can be matched and attached with the outer wall of the large-diameter pipeline.
3. The large-diameter pipeline welding auxiliary device according to claim 1, wherein: the pipeline fixing support comprises a support plate (3) and a side support frame; the pair of support plates (3) are arranged in parallel at intervals, and the tops of the pair of support plates (3) are arc-shaped concave to form a pipeline supporting groove (13); two ends of the pair of support plates (3) are respectively and fixedly connected with the two side support frames, so that the pair of support plates (3) are vertically arranged at the installation position of the large-diameter pipeline of the pipeline through the two side support frames; the pulley (2) is rotatably arranged in a gap between the pair of support plates (3) through the rotating shaft (1).
4. A large pipe diameter pipe welding auxiliary device according to claim 3, characterized in that: the side support frame comprises a vertical support (4) and a transverse support (6); the vertical supports (4) and the transverse supports (6) are vertically connected into an inverted T-shaped structure, and the end parts of the pair of support plates (3) are respectively connected to the vertical supports (4); the locking assembly is arranged on a vertical support (4) of the pair of side support frames.
5. The large-diameter pipeline welding auxiliary device according to claim 4, wherein: the locking assembly comprises a fixing mechanism and a rotating mechanism, the pipeline pressing plate (9) is of a strip-shaped arc-shaped plate structure, one end of the pipeline pressing plate (9) is rotatably connected to the vertical support (4) of one side support frame through the rotating mechanism, and the other end of the pipeline pressing plate (9) is detachably connected to the vertical support (4) of the other side support frame through the fixing mechanism.
6. The large-diameter pipeline welding auxiliary device according to claim 5, wherein: the rotating mechanism comprises a central shaft (11) and a bearing (12); the central shaft (11) is arranged on the vertical support (4) of one side support frame, the bearing (12) is rotatably sleeved on the central shaft (11), and one end of the pipeline pressing plate (9) is fixedly connected with the bearing (12).
7. The large-diameter pipeline welding auxiliary device according to claim 5, wherein: the fixing mechanism comprises a fastening sleeve (7) and a fastening belt (8); the fastening sleeve (7) is fixedly arranged on the vertical support (4) of one side support frame, one end of the fastening belt (8) is fixedly connected with the other end of the pipeline pressing plate (9), and the other end of the fastening belt (8) is detachably connected to the fastening sleeve (7).
8. The large-diameter pipeline welding auxiliary device according to claim 4, wherein: the plane where the support plate (3) is located is perpendicular to the axial direction of the large-diameter pipeline, and the axial direction of the transverse support (6) is parallel to the axial direction of the large-diameter pipeline.
9. The large-diameter pipeline welding auxiliary device according to claim 4, wherein: stiffening plates (5) are arranged between two sides of the bottom of the vertical support (4) and the transverse support (6), and the vertical support (4), the stiffening plates (5), the transverse support (6) and the pair of support plates (3) are connected into an integrated structure.
10. The large-diameter pipeline welding auxiliary device according to any one of claims 1, 5-7, wherein: the pipeline pressing plate (9) is provided with an anti-slip pad (10) on one surface facing the large-diameter pipeline, so that the pipeline pressing plate (9) is tightly pressed on the large-diameter pipeline through the anti-slip pad (10).
CN202320717399.XU 2023-04-04 2023-04-04 Auxiliary device for welding large-diameter pipeline Active CN220006630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320717399.XU CN220006630U (en) 2023-04-04 2023-04-04 Auxiliary device for welding large-diameter pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320717399.XU CN220006630U (en) 2023-04-04 2023-04-04 Auxiliary device for welding large-diameter pipeline

Publications (1)

Publication Number Publication Date
CN220006630U true CN220006630U (en) 2023-11-14

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Application Number Title Priority Date Filing Date
CN202320717399.XU Active CN220006630U (en) 2023-04-04 2023-04-04 Auxiliary device for welding large-diameter pipeline

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CN (1) CN220006630U (en)

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