CN109531038B - Auxiliary welding bracket for pipeline assembly and use method thereof - Google Patents
Auxiliary welding bracket for pipeline assembly and use method thereof Download PDFInfo
- Publication number
- CN109531038B CN109531038B CN201910045394.5A CN201910045394A CN109531038B CN 109531038 B CN109531038 B CN 109531038B CN 201910045394 A CN201910045394 A CN 201910045394A CN 109531038 B CN109531038 B CN 109531038B
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- Prior art keywords
- pipeline
- cylinder barrel
- lifting
- lifting support
- support
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- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention relates to a pipeline assembly welding auxiliary bracket, which structurally comprises a base, lifting support legs, a support frame and a fixed support mechanism, wherein the lifting support legs are arranged on the base; the lifting support legs are arranged on two sides of the supporting frame, the base is arranged at the bottom of the lifting support legs, the supporting frame is arranged at the top of the lifting support legs on two sides, and the fixed supporting mechanism is arranged on two sides of the lifting support legs, so that the lifting support legs are kept in a vertical state. The support frame is V-arrangement the upper portion of support frame is provided with a plurality of balls along its length direction. The lifting support leg comprises a cylinder barrel and a cylinder shaft, the cylinder barrel is vertically arranged on the base, the cylinder shaft is connected in the cylinder barrel in a penetrating manner, the contact surface of the cylinder barrel and the cylinder shaft is sealed, and a hydraulic pipeline communicated with the inner cavity of the cylinder barrel is arranged at the bottom of the cylinder barrel. The invention also discloses a field pipeline assembly welding method. The invention can lead the pipeline to be convenient to butt joint when being welded in the field, is easy to adjust, and has better welding precision and quality.
Description
Technical Field
The invention relates to a welding auxiliary device, in particular to a pipeline assembly welding auxiliary bracket and a using method thereof.
Background
In the pipeline connection construction site, the pipeline is connected with the pipeline and the pipeline is connected with the pipe fitting, and the pipeline and the pipe fitting are required to be placed stably so as to be convenient for assembly and welding. However, because the construction site is mostly in the field and the ground is complex, most of the construction sites are in the uneven ground, the adjustment of the pipeline is very difficult during the field construction, time and labor are wasted, and the butt joint accuracy of the pipeline is difficult to ensure.
Disclosure of Invention
The invention aims to provide a pipeline assembly welding auxiliary support and a using method thereof, which are used for solving the problems that the existing field pipeline connection construction site is difficult in pipeline butt joint and the precision cannot be ensured.
The invention is realized in the following way: a pipeline assembly welding auxiliary bracket comprises a base, lifting support legs, a support frame and a fixed support mechanism; the lifting support legs are arranged on two sides of the supporting frame, the base is arranged at the bottom of the lifting support legs, the supporting frame is arranged at the top of the lifting support legs on two sides, and the fixed supporting mechanism is arranged on two sides of the lifting support legs, so that the lifting support legs are kept in a vertical state.
The support frame is V-arrangement the upper portion of support frame is provided with a plurality of balls along its length direction.
The lifting support leg comprises a cylinder barrel and a cylinder shaft, the cylinder barrel is vertically arranged on the base, the cylinder shaft is connected in the cylinder barrel in a penetrating manner, the contact surface of the cylinder barrel and the cylinder shaft is sealed, and a hydraulic pipeline communicated with the inner cavity of the cylinder barrel is arranged at the bottom of the cylinder barrel.
The fixed supporting mechanism comprises an adjustable diagonal brace and a pull rod, wherein the adjustable diagonal brace comprises a penetrating pipe hinged to the lifting supporting leg, an adjustable supporting rod connected in the penetrating pipe in a penetrating mode and a support seat hinged to the extending end of the adjustable supporting rod, and one end of the pull rod is hinged to the other end of the lifting supporting leg in a clamping mode and is fixed to the penetrating pipe.
A triangular tooth shape is arranged at one end of the adjustable support rod, which extends into the penetrating pipe, along the length direction, the side surface of the tooth shape, which is close to the insertion end, is perpendicular to the length direction of the adjustable support rod, and the side surface of the tooth shape, which is far away from the insertion end, is an inclined surface; the pipe wall of the penetrating pipe is connected with a pin in a penetrating way, the insertion end of the pin is an inclined plane, the pin is sleeved with a spring, and the spring presses the pin to enable the inclined plane of the end of the pin to be attached to the toothed inclined plane.
And a tension spring is arranged between the cylinder barrel and the support frame, one end of the tension spring is connected to the cylinder barrel, and the other end of the tension spring is connected to the support frame.
The invention also discloses a field pipeline assembly welding method, which comprises the following steps:
a. Preparing a plurality of pipeline assembly welding auxiliary brackets, cleaning the field ground to ensure that the base can be stably placed, arranging the pipeline assembly welding auxiliary brackets on the ground below two pipelines to be assembled in a straight line, and arranging at least two pipeline assembly welding auxiliary brackets below each pipeline;
b. Opening the folded fixed supporting mechanism, clamping the end part of the pull rod on the penetrating pipe, and adjusting the lengths of the adjustable supporting rods at the two sides of the lifting supporting leg to enable the supporting seat to be clung to the ground, so that the lifting supporting leg is supported in a vertical state;
c. placing the pipelines on a pipeline assembly welding auxiliary support, and adjusting the height of the lifting support legs to enable the central axes of the two pipelines to coincide;
d. and the two pipelines are abutted and attached by axially moving the pipeline, the pipeline joints are welded in sections through rotating the pipeline, and the pipeline assembly welding is completed through rotating for one circle.
The lifting support leg can be adjusted in height, so that the height of a pipeline placed on the lifting support leg can be adjusted at any time, and the support frame is V-shaped and is suitable for pipelines with various diameters. The upper part of the support frame is distributed with a plurality of balls, so that the pipeline can move along the axial direction on the support frame and rotate around the axis, and the welding position is adjusted by continuously rotating two pipelines during welding, so that the welding process is simple and convenient. The lifting support leg is hydraulic cylinder type, can bear larger load, and has high adjustment precision. The fixed supporting mechanisms on two sides of the lifting support leg can adjust the length, so that the lifting support leg can be supported on uneven ground, and the lifting support leg is in a vertical state.
The invention can lead the pipeline to be convenient to butt joint when being welded in the field, is easy to adjust, and has better welding precision and quality.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of the present invention.
FIG. 3 is a schematic illustration of the connection of an adjustable strut to a penetration tube in accordance with the present invention.
In the figure: 1. a base; 2. lifting the supporting leg; 3. a support frame; 4. a fixed support mechanism; 5. a hydraulic line; 6. a tension spring; 2-1, cylinder barrel; 2-2, a cylinder shaft; 3-1, a ball; 4-1, connecting a pipe in a penetrating way; 4-2, an adjustable support rod; 4-3, supporting seats; 4-4, pull rod; 4-1-1, pins; 4-1-2, springs; 4-2-1, tooth form.
Detailed Description
As shown in fig. 1 and 2, the present invention includes a base 1, a lifting leg 2, a support frame 3, and a fixed support mechanism 4.
The lifting support legs 2 are two in number, the bottoms of the two lifting support legs 2 are fixedly provided with a base 1, the base 1 is a rectangular plate, and the lifting support legs 2 are hydraulically lifting type and comprise a cylinder barrel 2-1 at the lower part and a cylinder shaft 2-2 connected to the upper part of the cylinder barrel 2-1 in a penetrating manner. The contact surface between the cylinder shaft 2-2 and the cylinder barrel 2-1 is a sealing surface, the inside of the cylinder barrel 2-1 is filled with hydraulic oil, a hydraulic pipeline 5 is arranged at the lower part of the cylinder barrel 2-1, and the hydraulic pipeline 5 is communicated with the inner cavity of the cylinder barrel 2-1. The cylinder barrel 2-1 is vertically fixed on the base 1, a supporting frame 3 is fixed at the top end of the cylinder shaft 2-2, the supporting frame 3 is V-shaped, and lifting legs 2 for supporting the supporting frame 3 are respectively arranged on two sides of the V-shaped supporting frame 3. Through the control of the hydraulic pipeline 5, the lifting support leg 2 drives the support frame 3 to move up and down, the height of the support frame 3 is adjusted, a tension spring 6 is further installed between the support frame 3 and the cylinder barrel 2-1, the upper end of the tension spring 6 is connected with the support frame 3, the lower end of the tension spring 6 is connected with the cylinder barrel 2-1, and meanwhile the upper end of the tension spring 6 can be connected to the cylinder shaft 2-2. Under the action of the tension spring 6, the cylinder shaft 2-2 is always subjected to downward force, so that the cylinder shaft 2-2 keeps good position accuracy in the ascending and descending processes.
The two ends of the V-shaped supporting frame 3 are provided with an included angle of 90 degrees, pipelines with different diameters can be automatically aligned when placed on the supporting frame 3, so that the central axis of the pipeline is located on the angular bisector of the V-shaped supporting frame 3, a plurality of balls 3-1 are uniformly distributed on the upper portion of the supporting frame 3, the balls 3-1 are symmetrically arranged along the top of the supporting frame 3, when the pipeline is placed on the supporting frame 3, the pipeline is contacted with the balls 3-1, and can easily move along the axial direction and rotate around the axis, so that the pipeline is convenient to adjust and weld.
The two sides of the lifting support leg 2 are respectively provided with a fixed support mechanism 4, and the fixed support mechanisms 4 are arranged on the front side and the rear side of the cylinder barrel 2-1, so that the support cannot incline forwards and backwards. The fixed support mechanism 4 comprises a penetrating pipe 4-1, an adjustable supporting rod 4-2, a support 4-3 and a pull rod 4-4. The penetrating pipe is a round pipe, the upper end of the penetrating pipe is hinged to the outer wall of the cylinder barrel 2-1, the upper end of the adjustable supporting rod 4-2 penetrates from the lower port of the penetrating pipe 4-1, the penetrating length can be adjusted, the lower end of the adjustable supporting rod 4-2 is hinged to the support 4-3, the support 4-3 is rectangular plate-shaped, one end of the pull rod 4-4 is hinged to the outer wall of the cylinder barrel 2-1, and the other end of the pull rod is connected to the outer wall of the penetrating pipe 4-1 in a clamping mode. When in use, the support 4-3 is supported on the ground by adjusting the extension length of the adjustable support rod 4-2, the cross-connection pipes 4-1 on two sides of the lifting support leg 2 are splayed, and the pull rod 4-4 is used for keeping the opening degree of the cross-connection pipes 4-1. The outer wall of the cross-connection pipe 4-1 is provided with a clamping groove, the end part of the pull rod 4-4 is fixedly provided with a clamping block, the clamping block is clamped in the clamping groove, and the clamping block cannot be separated from the clamping groove when the pull rod 4-4 acts on a tensile force.
The extension length of the cylinder shaft 2-2 is adjusted through a hydraulic pipeline 5, the hydraulic pipeline 5 is connected with a hydraulic pump and is provided with a valve, and the two lifting support legs 2 can be controlled simultaneously through one valve, so that the extension lengths of the two lifting support legs 2 are identical, but the two bases 1 are required to be positioned on the same horizontal plane, and the ground is required to be cleaned and leveled when the auxiliary support is arranged. The two lifting support legs 2 can be controlled respectively through different valves, when the construction is performed on the ground which is difficult to clean, such as a rock surface, only the two bases 1 are required to be placed stably, the two ends of the support frame 3 are located on the same plane through adjusting the heights of the two lifting support legs 2, the labor required for cleaning the ground is reduced, and the lifting support is suitable for various complicated terrains.
As shown in FIG. 3, the adjustable support rod 4-2 is connected in the connecting pipe 4-1 in a penetrating way, the upper part of the adjustable support rod 4-2 is provided with a tooth form 4-2-1 along the length direction, the tooth form 4-2-1 is triangular, the side surface of the tooth form 4-2-1, which is close to the insertion end of the adjustable support rod 4-2, is perpendicular to the length direction of the adjustable support rod 4-2, and the side surface of the tooth form 4-2-1, which is far away from the insertion end of the adjustable support rod 4-2, is an inclined surface. The pipe wall of the cross-connected pipe 4-1 is cross-connected with a pin 4-1-1, the insertion end of the pin 4-1-1 is an inclined plane, the pin 4-1-1 is sleeved with a spring 4-1-2, and the spring 4-1-2 presses the pin 4-1-1 to enable the inclined plane of the end part of the pin to be attached to the inclined plane of the tooth form 4-2-1. When the adjustable support rod 4-2 is pulled out of the penetrating pipe 4-1, the inclined plane at the end part of the pin 4-1-1 moves along the inclined plane of the tooth form 4-2-1, the pin 4-1-1 is gradually ejected, and after the inclined plane at the end part of the pin 4-1-1 reaches the highest position of the inclined plane of the tooth form 4-2-1, the pin 4-1-1 is separated from the tooth form 4-2-1 and slides into the next tooth form 4-2-1, and the actions are repeated. When the adjustable support rod 4-2 receives a force directed to the inside of the penetrating pipe 4-1, the adjustable support rod 4-2 moves to the inside of the penetrating pipe 4-1, but as the side surface of the tooth form 4-2-1, which is close to the insertion end of the adjustable support rod 4-2, is perpendicular to the length direction of the adjustable support rod 4-2, the pin 4-1-1 is clamped on the tooth form 4-2-1 to block the entry of the adjustable support rod 4-2, so that the unidirectional locking of the adjustable support rod 4-2 is realized. When the extension length of the adjustable support rod 4-2 needs to be shortened, the pin 4-1-1 is pulled out by a certain distance, the inclined surface at the end part of the pin 4-1-1 is separated from the tooth form 4-2-1, and the adjustable support rod 4-2 can be inserted into the penetrating pipe 4-1 inwards.
The invention also discloses a field pipeline assembly welding method, which comprises the following steps:
a. Preparing a plurality of pipeline assembly welding auxiliary brackets, cleaning the field ground to enable the base 1 to be placed stably, arranging the pipeline assembly welding auxiliary brackets on the ground below two pipelines to be assembled, and arranging at least two pipeline assembly welding auxiliary brackets below each pipeline.
B. The folded fixed supporting mechanism 4 is opened, the end part of the pull rod 4-4 is clamped on the cross-connected pipe 4-1, the length of the adjustable supporting rods 4-2 at the two sides of the lifting supporting leg 2 is adjusted to enable the supporting seat 4-3 to be tightly attached to the ground, and the lifting supporting leg 2 is supported in a vertical state.
C. And placing the pipelines on the pipeline assembly welding auxiliary support, and adjusting the height of the lifting support legs 2 to enable the central axes of the two pipelines to coincide.
D. and the two pipelines are abutted and attached by axially moving the pipeline, the pipeline joints are welded in sections through rotating the pipeline, and the pipeline assembly welding is completed through rotating for one circle.
After the pipeline is welded, the invention is folded, and the fixed supporting mechanism 4 is folded, so that the space is saved. When the telescopic support rod is folded, the end part of the pull rod 4-4 is separated from the clamping groove of the penetrating pipe 4-1, the penetrating pipe 4-1 can swing to be abutted on the lifting support leg 2, and the length of the adjustable support rod 4-2 is adjusted to enable the support 4-3 at the end part of the adjustable support rod to be located on the base 1.
The lifting support leg 2 can be adjusted in height, so that the height of a pipeline placed on the lifting support leg can be adjusted at any time, and the support frame 3 is V-shaped and is suitable for pipelines with various diameters. A plurality of balls 3-1 are distributed on the upper portion of the support frame 3, so that the pipeline can move on the support frame 3 along the axial direction and rotate around the axis, and the welding position is adjusted by continuously rotating two pipelines during welding, so that the welding process is simple and convenient. The lifting support leg 2 is hydraulic cylinder type, can bear larger load, and has high adjustment precision. The fixed supporting mechanisms 4 on two sides of the lifting support leg 2 can adjust the length, so that the lifting support leg 2 can be supported on uneven ground, and the lifting support leg 2 is in a vertical state.
The invention can lead the pipeline to be convenient to butt joint when being welded in the field, is easy to adjust, and has better welding precision and quality.
Claims (2)
1. The auxiliary welding bracket for the pipeline assembly is characterized by comprising a base, lifting support legs, a support frame and a fixed support mechanism; the lifting support legs are arranged on two sides of the supporting frame, the base is arranged at the bottom of the lifting support legs, the supporting frame is arranged at the top of the lifting support legs on two sides, and the fixed supporting mechanism is arranged on two sides of the lifting support legs, so that the lifting support legs are kept in a vertical state; the lifting support leg comprises a cylinder barrel and a cylinder shaft, the cylinder barrel is vertically arranged on the base, the cylinder shaft is connected in the cylinder barrel in a penetrating way, the contact surface of the cylinder barrel and the cylinder shaft is sealed, and a hydraulic pipeline communicated with the inner cavity of the cylinder barrel is arranged at the bottom of the cylinder barrel; a tension spring is arranged between the cylinder barrel and the support frame, one end of the tension spring is connected to the cylinder barrel, and the other end of the tension spring is connected to the support frame;
the support frame is V-shaped, and a plurality of balls are arranged on the upper part of the support frame along the length direction of the support frame;
The fixed supporting mechanism comprises an adjustable diagonal brace and a pull rod, the adjustable diagonal brace comprises a penetrating pipe hinged to the lifting supporting leg, an adjustable supporting rod connected in the penetrating pipe in a penetrating mode and a support hinged to the extending end of the adjustable supporting rod, and one end of the pull rod is hinged to the lifting supporting leg while the other end of the pull rod is clamped and fixed on the penetrating pipe;
A triangular tooth form is arranged at one end of the adjustable support rod, which extends into the penetrating pipe, along the length direction, the side surface of the tooth form, which is close to the insertion end of the adjustable support rod, is perpendicular to the length direction of the adjustable support rod, and the side surface of the tooth form, which is far away from the insertion end of the adjustable support rod, is an inclined surface; the pipe wall of the penetrating pipe is connected with a pin in a penetrating way, the insertion end of the pin is an inclined plane, the pin is sleeved with a spring, and the spring presses the pin to enable the inclined plane of the end of the pin to be attached to the toothed inclined plane.
2. The field pipeline assembly welding method is characterized by comprising the following steps of:
a. preparing a plurality of pipeline assembly welding auxiliary brackets according to claim 1, cleaning the field ground so that the base can be stably placed, arranging the pipeline assembly welding auxiliary brackets on the ground below two pipelines to be assembled in a straight line, and arranging at least two pipeline assembly welding auxiliary brackets below each pipeline;
b. Opening the folded fixed supporting mechanism, clamping the end part of the pull rod on the penetrating pipe, and adjusting the lengths of the adjustable supporting rods at the two sides of the lifting supporting leg to enable the supporting seat to be clung to the ground, so that the lifting supporting leg is supported in a vertical state;
c. placing the pipelines on a pipeline assembly welding auxiliary support, and adjusting the height of the lifting support legs to enable the central axes of the two pipelines to coincide;
d. and the two pipelines are abutted and attached by axially moving the pipeline, the pipeline joints are welded in sections through rotating the pipeline, and the pipeline assembly welding is completed through rotating for one circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045394.5A CN109531038B (en) | 2019-01-17 | 2019-01-17 | Auxiliary welding bracket for pipeline assembly and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910045394.5A CN109531038B (en) | 2019-01-17 | 2019-01-17 | Auxiliary welding bracket for pipeline assembly and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109531038A CN109531038A (en) | 2019-03-29 |
| CN109531038B true CN109531038B (en) | 2024-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910045394.5A Active CN109531038B (en) | 2019-01-17 | 2019-01-17 | Auxiliary welding bracket for pipeline assembly and use method thereof |
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| CN (1) | CN109531038B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253892A (en) * | 2019-07-17 | 2019-09-20 | 成都市岷江自来水厂双流聚乙烯管材生产车间 | Plastic conduit welds installation and adjustment bracket and application method |
| CN112372227B (en) * | 2020-10-20 | 2022-07-05 | 海洋石油工程（青岛）有限公司 | Lacing wire assembly device |
| CN112621090B (en) * | 2020-12-18 | 2022-11-11 | 玉环民越洁具有限公司 | Supporting device for butt welding of paired steel pipes |
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|---|---|
| CN109531038A (en) | 2019-03-29 |
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