CN219792257U - Automatic welding device for longitudinal joint of ultra-large pressure steel pipe - Google Patents
Automatic welding device for longitudinal joint of ultra-large pressure steel pipe Download PDFInfo
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- CN219792257U CN219792257U CN202320419913.1U CN202320419913U CN219792257U CN 219792257 U CN219792257 U CN 219792257U CN 202320419913 U CN202320419913 U CN 202320419913U CN 219792257 U CN219792257 U CN 219792257U
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- 238000003466 welding Methods 0.000 title claims abstract description 78
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 45
- 239000010959 steel Substances 0.000 title claims abstract description 45
- 230000009193 crawling Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 241000282326 Felis catus Species 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic welding device for a longitudinal joint of an oversized pressure steel pipe, which consists of a main body frame, a welding platform, a ladder stand and a travelling mechanism; the main body frame is formed by welding four upright posts, a plurality of cross beams and longitudinal beams to form a movable truss, and a space below the frame is used for supporting and fixing a pressure steel pipe and a welding platform is arranged above the frame; the welding platform is suspended and fixed on a cross beam at the upper end of the main body frame by a chain block, a guardrail is arranged, and an operation opening which is longitudinally arranged and used for welding a longitudinal seam of a pressure steel pipe by a welding machine is arranged in the center; the travelling mechanism comprises a travelling steel rail and an electric wheel moving along the steel rail. The welding mechanism is convenient to manufacture, install and use; the electric driving wheel is reliable and stable in moving process, can move in time after longitudinal seam welding is finished, is convenient to hoist and has high efficiency. By adopting the utility model, the construction period can be effectively shortened, and the construction cost can be saved; the welding quality can be controlled more stably, and the welding efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of welding of ultra-large pressure steel pipes of hydropower stations, in particular to an automatic welding device for longitudinal joints of ultra-large pressure steel pipes.
Background
The penstock is an important component of hydraulic buildings in hydropower stations, wherein the longitudinal seam welding process is an extremely important process in the manufacturing process of the penstock. The quality of the longitudinal seam welding quality directly affects the quality and the progress of the whole pressure steel pipe manufacturing, so that the longitudinal seam welding quality of the ultra-large steel pipe is ensured, the safety of the longitudinal seam welding process is ensured, the construction efficiency is not affected, and the manufacturing difficulty of the ultra-large pressure steel pipe is overcome. In the manufacturing process of the pressure steel pipe, the longitudinal seam is mostly welded by gas shield welding or submerged arc welding, the steel pipe is mostly welded on a ship-shaped bracket in original construction, and the welding mode needs multiple turning, has low efficiency, difficult quality control, low safety coefficient and high cost after the welding is completely welded and turned over again.
Disclosure of Invention
The utility model discloses an automatic welding device for longitudinal joints of ultra-large pressure steel pipes according to the defects of the prior art, and aims to solve the problem of providing the automatic welding device for the longitudinal joints of the ultra-large pressure steel pipes, which is efficient, has enough strength and is convenient to manufacture and operate.
The utility model adopts the following technical scheme:
an automatic welding device for a longitudinal joint of an ultra-large pressure steel pipe is characterized in that: the welding device consists of a main body frame, a welding platform, a ladder stand and a travelling mechanism;
the main body frame is a movable truss formed by welding four upright posts, a plurality of cross beams and longitudinal beams, a suspension space below the main body frame is used for supporting and fixing pressure steel pipes, and a welding platform is arranged above the main body frame;
the welding platform is formed by welding a pattern steel plate and a frame beam on the bottom surface, guard rails are arranged on the periphery of the welding platform, an operation opening which is longitudinally arranged and used for welding longitudinal seams of the pressure steel pipes by a welding machine is arranged in the center of the welding platform, and the welding platform is suspended and fixed on a cross beam at the upper end of the main body frame by a chain block;
the crawling ladder is formed by a ladder step and a guardrail and is arranged on the side surface of the main body frame;
the travelling mechanism comprises travelling steel rails arranged on the ground and four groups of electric wheels which move along the steel rails and are arranged at two ends of the two bottom longitudinal beams.
Further be provided with the fixture block that is used for supporting welding platform on the stand in welding platform bottom four corners.
Further, an oblique connecting rod is arranged between the upright post and the cross beam of the main body frame, and an oblique support is arranged between the upright post and the bottom.
The support and fixation of the pressure steel pipe adopt the movable roller frame, the pressure steel pipe is supported and fixed through the movable roller frame, and the roller on the roller frame is used for controlling the movement of the steel pipe and stabilizing the position of the longitudinal seam.
Compared with the prior art, the utility model has the following advantages: the welding mechanism is convenient to manufacture, install and use; the electric driving wheel is reliable and stable in moving process, can move in time after longitudinal seam welding is finished, is convenient to hoist and has high efficiency. By adopting the utility model, the construction period can be effectively shortened, and the construction cost can be saved; the welding quality can be controlled more stably, and the welding efficiency is improved.
Drawings
FIG. 1 is a schematic isometric view of the present utility model;
FIG. 2 is a schematic front view of the present utility model;
FIG. 3 is a schematic diagram of a left side view of the present utility model;
FIG. 4 is a schematic top view of the utility model;
fig. 5 is a schematic view of an inventive roller support frame.
Reference numerals:
the welding device comprises a welding platform 1, a ladder stand 2, a vertical column 3, a longitudinal connecting rod 4, a rail 5, a cross beam 6, an oblique connecting rod 7, a longitudinal beam 8, a lifting lug 9, a clamping block 10, a round guardrail 11, an oblique support 12 and a electric wheel 13.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in the figure, the utility model discloses an automatic welding device for a longitudinal joint of an oversized pressure steel pipe, which comprises the following components: the welding platform 1, the cat ladder 2, the upright post 3, the longitudinal connecting rod 4, the track 5, the cross beam 6, the oblique connecting rod 7, the longitudinal beam 8, the lifting lug 9, the clamping block 10, the guardrail 11, the oblique support 12 and the electric wheel 13; the rectangular main body frame is formed by welding an upright post 3, a cross beam 6 and a longitudinal beam 8; the welding platform 1 is formed by welding a pattern steel plate and a frame beam on the bottom surface, the welding platform 1 is suspended and fixed on a main body frame by a chain block, and guardrails are arranged around the movable welding platform 1; the cat ladder 2 is formed by steps consisting of guardrails, square pipes and stepping plates; the lifting lug 9 is welded on the cross beam 6; the clamping block 10 is welded on the upright post 3 and has a fixed supporting function on the movable welding platform 1, the track 5 is paved below the electric driving wheel 3, and the free movement of the safety mechanism can be realized.
The metal components of the utility model are welded by adopting materials such as corresponding square steel, steel pipes, patterned steel plates and the like.
As shown in fig. 1 to 4, the ultra-large type pressure steel pipe longitudinal seam welding device of the utility model welds a longitudinal beam 8, a stand column 3 and a cross beam 6 to form a cuboid main body frame in a full-welding mode, an electric wheel 13 is arranged below two ends of the bottom longitudinal beam 8 and fixed, a welding platform 1 and a lifting lug 9 on the upper longitudinal beam 8 are fixedly arranged on the welding platform 1 which is adaptable to welding of longitudinal seams of steel pipes with different diameters in a chain block mode, an inclined connecting rod 7 and an inclined support 12 are fixedly welded with the stand column 3 to fix the main body frame, a cat ladder 2 and the stand column 3 are fixedly welded to form a safe and reliable channel, a guardrail 11 and the welding platform 1 are fixedly welded to form a safe and stable welding operation platform, a longitudinal connecting rod 4 and the stand column 3 are fixedly welded to strengthen the main body frame, the lifting lug 9 and the upper platform guardrail and the upper cross beam 8 are respectively fully welded and fixed, a guide rail 5 is paved below the electric wheel 13, and the ultra-large type pressure steel pipe longitudinal seam safety mechanism can be freely controlled to horizontally move after power is electrified.
The pressure steel pipe is hoisted through a portal crane and placed on the roller frame, then the longitudinal seam of the steel pipe is adjusted to a proper position, finally the ultra-large pressure steel pipe longitudinal seam safety mechanism is controlled to move to a proper position, and the longitudinal seam of the pressure steel pipe can be automatically and efficiently welded through a welding platform of the ultra-large pressure steel pipe longitudinal seam safety mechanism.
Claims (4)
1. An automatic welding device for a longitudinal joint of an ultra-large pressure steel pipe is characterized in that: the welding device consists of a main body frame, a welding platform, a ladder stand and a travelling mechanism;
the main body frame is a movable truss formed by welding four upright posts, a plurality of cross beams and longitudinal beams, a suspension space below the main body frame is used for supporting and fixing pressure steel pipes, and a welding platform is arranged above the main body frame;
the welding platform is formed by welding a pattern steel plate and a frame beam on the bottom surface, guard rails are arranged on the periphery of the welding platform, an operation opening which is longitudinally arranged and used for welding longitudinal seams of the pressure steel pipes by a welding machine is arranged in the center of the welding platform, and the welding platform is suspended and fixed on a cross beam at the upper end of the main body frame by a chain block;
the crawling ladder is formed by a ladder step and a guardrail and is arranged on the side surface of the main body frame;
the travelling mechanism comprises travelling steel rails arranged on the ground and four groups of electric wheels which move along the steel rails and are arranged at two ends of the two bottom longitudinal beams.
2. The automated welding device for longitudinal joints of oversized penstock of claim 1, wherein: the stand columns at four corners of the bottom of the welding platform are provided with clamping blocks for supporting the welding platform.
3. The automated welding device for longitudinal joints of oversized penstock of claim 1, wherein: an oblique connecting rod is arranged between the upright post and the cross beam of the main body frame, and an oblique support is arranged between the upright post and the bottom.
4. An oversized penstock longitudinal seam automated welding apparatus according to claim 1 or 2 or 3, wherein: the suspended space ground below the main body frame is provided with a movable roller frame for supporting and fixing the pressure steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320419913.1U CN219792257U (en) | 2023-03-08 | 2023-03-08 | Automatic welding device for longitudinal joint of ultra-large pressure steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320419913.1U CN219792257U (en) | 2023-03-08 | 2023-03-08 | Automatic welding device for longitudinal joint of ultra-large pressure steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792257U true CN219792257U (en) | 2023-10-03 |
Family
ID=88183724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320419913.1U Active CN219792257U (en) | 2023-03-08 | 2023-03-08 | Automatic welding device for longitudinal joint of ultra-large pressure steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792257U (en) |
-
2023
- 2023-03-08 CN CN202320419913.1U patent/CN219792257U/en active Active
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