CN113441883B - Immersed tube welding water workbench - Google Patents
Immersed tube welding water workbench Download PDFInfo
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- CN113441883B CN113441883B CN202110863745.0A CN202110863745A CN113441883B CN 113441883 B CN113441883 B CN 113441883B CN 202110863745 A CN202110863745 A CN 202110863745A CN 113441883 B CN113441883 B CN 113441883B
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- 238000003466 welding Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 230000001681 protective effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass 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 for a procedure covered by only one of the other main groups of this subclass
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
Abstract
The invention provides a submerged pipe welding water workbench, which comprises a support box with an open bottom, wherein an inflatable bag is arranged in the support box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the support box; a plurality of first pulleys are arranged on the bottom surface of the support box; the top surface of the supporting box is fixedly provided with two first clamping grooves, a first supporting block and a second supporting block are slidably arranged on the first clamping grooves, arc-shaped grooves are formed in the sides, close to the first supporting block and the second supporting block, of the first supporting block and the second supporting block, and the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; the wall surfaces of the first support block and the second support block, which are far away from each other, are respectively provided with a first traction rope and a second traction rope; the structure is novel, can be used for supporting immersed tubes, can assist in moving on land, and is convenient for moving the pipelines; the support buoyancy can be provided in the river course, the long pipeline is convenient to pull towards the river course position, the river course position is occupied for construction, and the pressure of river bank construction space is relieved.
Description
Technical Field
The invention relates to the field of immersed tube construction auxiliary structures, in particular to an upper workbench for immersed tube welding.
Background
The underwater immersed tube is generally used for crossing the communication, sewage discharge and other pipelines of the river, the pipelines are formed by connecting a plurality of hard tubes of a few meters, a dozen meters and even a few tens meters, for convenient construction, the pipelines are mostly welded on the bank of the river, if the pipelines are longer and the external operable space is insufficient, the pipelines need to work by means of a pontoon, the pipelines are taken on the pontoon, pulled towards the river, and the position occupying the river is constructed; the method can lighten the pressure of the river bank construction space, but the operation of using the floating pontoons is relatively troublesome, the workload is also larger, if the pipeline length is too long, the number of the floating pontoons is also required to be increased, the operation is inconvenient, and the cost is also higher.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the water workbench for immersed tube welding, which has novel structure, can be used for supporting the immersed tube, can assist in moving on land and is convenient for moving the pipeline; the support buoyancy can be provided in the river course, the long pipeline is convenient to pull towards the river course position, the river course position is occupied for construction, and the pressure of river bank construction space is relieved.
To achieve the purpose, the invention adopts the following technical scheme:
the invention provides a submerged pipe welding water workbench, which comprises a support box with an open bottom, wherein an inflatable bag is arranged in the support box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the support box; a plurality of first pulleys are arranged on the bottom surface of the support box; the top surface of the supporting box is fixedly provided with two first clamping grooves, a first supporting block and a second supporting block are arranged on the first clamping grooves in a sliding mode, arc grooves are formed in one sides, close to the first supporting block and the second supporting block, of the supporting box, a semicircular shape is formed between the two adjacent arc grooves, and the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; the first traction rope and the second traction rope are respectively installed on the wall surfaces, away from each other, of the first support block and the second support block, and the end parts of the first traction rope and the end parts of the second traction rope are connected through fasteners.
In the preferred technical scheme of the invention, a second clamping groove which extends vertically is formed in the wall surface, far away from the arc-shaped groove, of the first supporting block, a plurality of first threaded holes are formed in two sides of a notch of the second clamping groove, the first threaded holes are distributed in a linear array mode along the length direction of the second clamping groove, a first sliding seat is arranged in the second clamping groove in a sliding mode, the first sliding seat can be locked through a screw, and the end portion of a first traction rope is fixed on the first sliding seat; the second supporting block and the first supporting block have the same structure, a second sliding seat is arranged on a second clamping groove of the second supporting block, and the end part of the second traction rope is fixed on the second sliding seat.
In the preferred technical scheme of the invention, a chute is formed on the bottom surface of the first supporting block corresponding to the outer wall of the first clamping groove, a guide block is fixedly arranged at the bottom of the chute and is in sliding fit with the first clamping groove, a plurality of second threaded holes which are uniformly arranged at intervals are formed on the two side walls of the first clamping groove along the length direction, and the locking knob is correspondingly arranged at the bottoms of the two side walls of the first supporting block.
In the preferred technical scheme of the invention, a plurality of supporting bars which are uniformly arranged at intervals are fixedly arranged on the top wall of the inner part of the supporting box, the supporting bars divide the inner part of the supporting box into a plurality of placing cavities, grooves are formed in the supporting bars, and two adjacent placing cavities are communicated through the grooves; the support bar is provided with a limit bar, the width of the limit bar is matched with the width of the support bar, and two ends of the limit bar are propped against the inner wall of the support box; the inflatable bag comprises a plurality of bag bodies, two adjacent bag bodies are connected through a pipe body, the bag bodies are correspondingly arranged in the placing cavity, the pipe body is correspondingly arranged in the groove, and the limiting strips fixed on the supporting strips can be used for realizing primary clamping of the inflatable bag, so that the inflatable bag is clamped in the supporting box; the inflating nozzle of the inflating bag penetrates through the top surface of the supporting box.
In the preferred technical scheme of the invention, the outer part of the charging connector is covered with the protective cover, the top surface of the supporting box is fixedly provided with the thread seat at the outer edge of the charging connector, the protective cover comprises a cylinder body with two open ends, the inner wall of the cylinder body is provided with threads, the bottom end of the cylinder body is in threaded connection with the thread seat for matching, and the top end of the cylinder body is fixedly provided with the transparent protective cover; the inside of barrel is equipped with and is used for the gas leakage detection structure, and the gas leakage detection structure includes the support ring, and the inner wall of support ring is fixed to be equipped with the elastic membrane, and support ring threaded connection is fixed at the inner wall of barrel.
In the preferred technical scheme of the invention, the two ends of the opening of the placing cavity are provided with the sinking grooves, the opening of each placing cavity is provided with a grid plate, the two ends of the grid plate are fixedly provided with the clamping pieces corresponding to the sinking grooves, the clamping pieces are opposite to the sinking grooves in position and are structurally adaptive, and the grid plates are fixed at the opening of the placing cavity through bolts penetrating through the clamping pieces to limit the inflatable bag.
In the preferred technical scheme of the invention, at least a second pulley is fixedly arranged on the bottom surface of each limit bar, and the second pulleys are symmetrically arranged about the center of the limit bar.
The beneficial effects of the invention are as follows:
the water workbench for immersed tube welding is novel in structure, the top surface of the supporting box is provided with the first clamping groove, the first clamping groove is provided with the first supporting block and the second supporting block, the adjacent sides of the first supporting block and the second supporting block are respectively provided with the arc-shaped groove, the arc-shaped grooves can be used for supporting pipelines, the positions of the first supporting block and the second supporting block can be adjusted, immersed tubes with different pipe diameters can be adapted, and the immersed tubes can be bound by being matched with the first traction rope and the second traction rope, so that the immersed tubes can be prevented from loosening easily; the first pulley is arranged on the bottom surface of the support box, a sliding foundation is provided for the support box to move on the land, and the pipeline is assisted to move; the support box is internally provided with the inflatable bag, the bottom of the support box is provided with a grid plate for limiting and protecting the inflatable bag, a floating foundation is provided for the support box, a supporting buoyancy force is provided for a river channel, a long pipeline is convenient to pull towards the position of the river channel, the position of the river channel is occupied for construction, and the pressure of a river bank construction space is reduced.
Drawings
FIG. 1 is a front view of a submerged arc welding water bench according to an embodiment of the present invention;
FIG. 2 is a side view of a submerged arc welding water bench according to an embodiment of the present invention;
FIG. 3 is a bottom view of a submerged arc welding water table according to an embodiment of the present invention;
FIG. 4 is a bottom view of a support box provided in an embodiment of the invention;
FIG. 5 is a schematic illustration of the cooperation of an inflatable bladder with a support box provided in an embodiment of the present invention;
FIG. 6 is a schematic view of the cooperation of the spacing bars and the inflatable bladder with the support box according to the embodiment of the present invention;
FIG. 7 is a schematic view of a fitting structure of an air nozzle and a protective cover according to an embodiment of the present invention.
In the figure:
100. a support box; 110. a first clamping groove; 111. a second threaded hole; 120. a support bar; 130. a placement cavity; 140. a groove; 150. a screw seat; 160. sinking grooves; 200. an inflatable bag; 210. a bladder; 220. a tube body; 230. an air charging nozzle; 300. a grid plate; 310. card 410, first pulley; 420. a second pulley; 510. a first support block; 511. a second clamping groove; 512. a first threaded hole; 513. a guide block; 520. a second support block; 530. a locking knob; 610. a first pulling rope; 620. a second pulling rope; 630. a first slider; 640. a second slider; 700. a limit bar; 800. a protective cover; 810. a cylinder; 820. a transparent protective cover; 830. a support ring; 840. an elastic film.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 3, an embodiment of the present invention discloses a submerged arc welding water table, which comprises a support box 100 with an open bottom, wherein an inflatable bag 200 is arranged in the support box 100, and a grid plate 300 for blocking the inflatable bag 200 is arranged at the bottom of the support box 100; a plurality of first pulleys 410 are installed at the bottom surface of the support box 100; the foundation for land movement is provided, the support box is matched with the immersed tube on land, the immersed tube can be erected, welding is convenient, and movement is convenient, particularly on a section of road surface from land to river water surface; the top surface of the supporting box 100 is fixedly provided with two first clamping grooves 110, a first supporting block 510 and a second supporting block 520 are slidably arranged on the first clamping grooves 110, arc grooves are formed in the adjacent sides of the first supporting block 510 and the second supporting block 520, a semicircle is formed between the two abutted arc grooves, and the first supporting block 510 and the second supporting block 520 slide along the first clamping grooves 110 and are locked through a locking knob 530; the first traction rope 610 and the second traction rope 620 are respectively installed on the wall surfaces of the first support block 510 and the second support block 520 which are far away from each other, and the end parts of the first traction rope 610 and the second traction rope 620 are connected through fasteners.
The water workbench for immersed tube welding is novel in structure, the top surface of the supporting box is provided with the first clamping groove, the first clamping groove is provided with the first supporting block and the second supporting block, the adjacent sides of the first supporting block and the second supporting block are respectively provided with the arc-shaped groove, the arc-shaped grooves can be used for supporting pipelines, the positions of the first supporting block and the second supporting block are adjustable, immersed tubes with different pipe diameters can be adapted, and the immersed tubes can be bound by being matched with the first traction rope and the second traction rope, so that easy loosening is prevented; the first pulley is arranged on the bottom surface of the support box, a sliding foundation is provided for the support box to move on the land, and the pipeline is assisted to move; the support box is internally provided with an inflatable bag, the bottom of the support box is provided with a grid plate for limiting and protecting the inflatable bag, a floating foundation is provided for the support box, a support buoyancy force is provided for a river channel, a long pipeline is convenient to pull towards the position of the river channel, the position of the river channel is occupied for construction, and the pressure of a river bank construction space is reduced; it should be noted that a larger space is reserved between the two first clamping grooves, and the welding device can be used for welding pipelines or detecting welding.
Further, a second clamping groove 511 extending vertically is formed in a wall surface, far from the arc-shaped groove, of the first supporting block 510, a plurality of first threaded holes 512 are formed in two sides of a notch of the second clamping groove 511, the first threaded holes 512 are distributed in a linear array along the length direction of the second clamping groove 511, a first sliding seat 630 is arranged in the second clamping groove 511 in a sliding mode, the first sliding seat 630 can be locked through a screw, and the end portion of the first traction rope 610 is fixed on the first sliding seat 630; the second supporting block 520 has the same structure as the first supporting block 510, a second sliding seat 640 is arranged on a second clamping groove of the second supporting block 520, and the end part of the second traction rope 620 is fixed on the second sliding seat 640; the first traction rope and the second traction rope are matched to facilitate preliminary locking of the immersed tube, so that the support box and the immersed tube are prevented from moving easily; the first sliding seat and the second sliding seat are designed, so that the position adjustment of the first traction rope and the second traction rope can be further facilitated, and the adaptive traction force is provided.
Further, a sliding groove is formed on the bottom surface of the first supporting block 510 corresponding to the outer wall of the first clamping groove 110, a guiding block 513 is fixedly arranged at the bottom of the sliding groove, the guiding block 513 is in sliding fit with the first clamping groove 110, a plurality of second threaded holes 111 are uniformly arranged at intervals along the length direction on two side walls of the first clamping groove 110, and the locking knob 530 is correspondingly arranged at the bottoms of two side walls of the first supporting block 510; the dual sliding clamping fit can further prevent the offset of the supporting block and ensure stable movement.
Further, the first clamping groove and the second clamping groove are of T-shaped groove structures, and swing can be effectively prevented under the condition of maintaining normal sliding.
Further, as shown in fig. 4 to 6, a plurality of supporting bars 120 are fixedly arranged on the top wall of the inside of the supporting box 100 at equal intervals, the supporting bars 120 divide the inside of the supporting box 100 into a plurality of placing cavities 130, grooves 140 are formed in the supporting bars 120, and two adjacent placing cavities 130 are communicated through the grooves 140; the support bar 120 is provided with a limit bar 700, the width of the limit bar 700 is matched with the width of the support bar 120, and two ends of the limit bar 700 are propped against the inner wall of the support box 100; the support of the support box can be enhanced by the design of the support bars and the limit bars, so that the structural strength of the support box is ensured; the arrangement of the plurality of placing cavities can facilitate the design and installation of the subsequent inflatable bags; the groove part is blocked and limited by the limiting strips, so that basic conditions for clamping and limiting are provided; the inflatable bag 200 comprises a plurality of bag bodies 210, two adjacent bag bodies 210 are connected through a pipe body 220, the bag bodies 210 are correspondingly arranged in the placing cavity 130, the pipe body 220 is correspondingly arranged in the groove 140, and the limiting strips 700 fixed on the supporting strips can be used for realizing preliminary clamping of the inflatable bag 200 and enabling the inflatable bag 200 to be clamped in the supporting box 100; the charging nozzle 230 of the charging bag 200 penetrates to the top surface of the supporting box 100; the inflatable bag is stably installed, and is limited to be clamped in the supporting box.
Further, as shown in fig. 7, the outer cover of the charging connector 230 is provided with a protection cover 800 to protect the charging connector, so that the charging connector can be effectively prevented from being collided with external parts and damaged in the construction process;
the top surface of the support box 100 is fixedly provided with a thread seat 150 at the outer edge of the charging connector 230, the protection cover 800 comprises a cylinder 810 with two open ends, the inner wall of the cylinder 810 is provided with threads, and the bottom end of the cylinder 810 is in threaded connection and matched with the thread seat 150; the structure of threaded connection and matching is adopted, so that the protective cover can be conveniently disassembled and assembled, and the inflation operation and the maintenance action can be conveniently performed;
a transparent protective cover 820 is fixedly arranged at the top end of the cylinder 810; the inside of the cylinder 810 is provided with a gas leakage detection structure, the gas leakage detection structure comprises a support ring 830, an elastic film 840 is fixedly arranged on the inner wall of the support ring 830, and the support ring 830 is fixedly connected to the inner wall of the cylinder 810 in a threaded manner; when the air charging nozzle leaks air, the internal air pressure rises to cause the elastic film to bulge upwards and deform, and the air leakage condition can be checked through the transparent protective cover, so that problems can be found in time.
Further, the two open ends of the placing cavities 130 are provided with sinking grooves 160, the open opening of each placing cavity 130 is provided with a grid plate 300, two ends of the grid plate 300 are fixedly provided with a card 310 corresponding to the sinking grooves, the card 310 is opposite to the sinking grooves 160 in position and is structurally adaptive, and the grid plate 300 is fixed at the open opening of the placing cavity 130 through bolts penetrating through the card 310 to limit the inflatable bag 200; the design of the grid plate can ensure that the inflatable bag is contacted with the water surface of the river course, thereby enhancing the buoyancy, and also protecting the inflatable bag to a certain extent, so as to prevent the inflatable bag from being scratched by external stones.
Further, at least a second pulley 420 is fixedly installed on the bottom surface of each limit bar 700, and the second pulleys 420 are symmetrically arranged about the center of the limit bar 700; the support for the whole workbench and the moving foundation can be further enhanced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The invention is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the invention as defined by the claims of the present application.
Claims (4)
1. An immersed tube welding is with workstation on water which characterized in that:
the device comprises a support box with an open bottom, wherein an inflatable bag is arranged in the support box, and a grid plate for blocking the inflatable bag is arranged at the bottom of the support box; a plurality of first pulleys are arranged on the bottom surface of the support box;
the top surface of the supporting box is fixedly provided with two first clamping grooves, a first supporting block and a second supporting block are arranged on the first clamping grooves in a sliding mode, arc grooves are formed in one sides, close to the first supporting block and the second supporting block, of the supporting box, a semicircular shape is formed between the two adjacent arc grooves, and the first supporting block and the second supporting block slide along the first clamping grooves and are locked through locking knobs; the first traction rope and the second traction rope are respectively arranged on the wall surfaces, away from each other, of the first support block and the second support block, and the end parts of the first traction rope and the second traction rope are connected through fasteners;
the inflation nozzle of the inflation bag penetrates through the top surface of the support box, the outer part of the inflation nozzle is covered with a protection cover, the top surface of the support box and the outer edge of the inflation nozzle are fixedly provided with thread seats, the protection cover comprises a cylinder body with two open ends, the inner wall of the cylinder body is provided with threads, the bottom end of the cylinder body is in threaded connection fit with the thread seats, and the top end of the cylinder body is fixedly provided with a transparent protection cover;
the inner part of the cylinder body is provided with an air leakage detection structure, the air leakage detection structure comprises a support ring, an elastic film is fixedly arranged on the inner wall of the support ring, and the support ring is fixedly connected with the inner wall of the cylinder body through threads;
the top wall inside the supporting box is fixedly provided with a plurality of supporting bars which are uniformly arranged at intervals, the supporting bars divide the inside of the supporting box into a plurality of placing cavities, grooves are formed in the supporting bars, and two adjacent placing cavities are communicated through the grooves; the support bar is provided with a limit bar, the width of the limit bar is matched with the width of the support bar, and two ends of the limit bar are propped against the inner wall of the support box;
the inflatable bag comprises a plurality of bag bodies, two adjacent bag bodies are connected through a pipe body, the bag bodies are correspondingly arranged in the placing cavity, the pipe body is correspondingly arranged in the groove, and the limiting strips fixed on the supporting strips can be used for realizing preliminary clamping of the inflatable bag, so that the inflatable bag is clamped in the supporting box;
the two ends of the open mouth of the placing cavity are provided with sinking grooves, the open mouth of each placing cavity is provided with a grid plate, two ends of the grid plate are fixedly provided with a card corresponding to the sinking grooves, the card is opposite to the sinking grooves in position and is structurally adaptive, and the grid plate is fixed at the open mouth of the placing cavity through bolts penetrating the card and limits the inflatable bag.
2. The submerged arc welding water bench of claim 1, wherein:
a second clamping groove which extends vertically is formed in the wall surface, far away from the arc-shaped groove, of the first supporting block, a plurality of first threaded holes are formed in two sides of a notch of the second clamping groove, the first threaded holes are distributed in a linear array mode along the length direction of the second clamping groove, a first sliding seat is arranged in the second clamping groove in a sliding mode, the first sliding seat is locked through a screw, and the end portion of the first traction rope is fixed on the first sliding seat;
the second supporting block and the first supporting block have the same structure, a second sliding seat is arranged on a second clamping groove of the second supporting block, and the end part of the second traction rope is fixed on the second sliding seat.
3. The submerged arc welding water bench of claim 1, wherein:
the bottom surface of first supporting shoe corresponds the outer wall of first draw-in groove and has seted up the spout, and the tank bottom of spout is fixed to be equipped with the guide block, guide block and first draw-in groove sliding fit, and the both sides wall of first draw-in groove is equipped with a plurality of second screw holes that evenly separate the setting along length direction, and the both sides wall bottom of first supporting shoe is installed correspondingly locking knob.
4. The submerged arc welding water bench of claim 1, wherein:
the bottom surface of each limit bar is fixedly provided with a second pulley, and the second pulleys are symmetrically arranged about the center of the limit bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863745.0A CN113441883B (en) | 2021-07-29 | 2021-07-29 | Immersed tube welding water workbench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110863745.0A CN113441883B (en) | 2021-07-29 | 2021-07-29 | Immersed tube welding water workbench |
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| Publication Number | Publication Date |
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| CN113441883A CN113441883A (en) | 2021-09-28 |
| CN113441883B true CN113441883B (en) | 2023-05-09 |
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| CN202110863745.0A Active CN113441883B (en) | 2021-07-29 | 2021-07-29 | Immersed tube welding water workbench |
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| CN115874649A (en) * | 2022-12-31 | 2023-03-31 | 中铁一局集团有限公司 | Immersed tube water surface butt joint construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| OA11887A (en) * | 1999-07-27 | 2006-03-28 | Shell Int Research | Method of creating a weld in a wellbore. |
| CN103253356B (en) * | 2013-06-03 | 2015-10-14 | 重庆交通大学西南水运工程科学研究所 | Large-size pipe welding floating platform waterborne and dry construction condition construction method |
| BE1022638B1 (en) * | 2015-03-05 | 2016-06-22 | Geosea Nv | Positioning device and method for accurately aligning a first and a second tubular element |
| CN112589320A (en) * | 2015-03-26 | 2021-04-02 | 克里凯文斯管线国际有限公司 | Spin Welding System |
| CN208713266U (en) * | 2018-09-11 | 2019-04-09 | 四川博能燃气股份有限公司 | A kind of natural gas line docking facilities |
| CN208906378U (en) * | 2018-11-08 | 2019-05-28 | 吕印奇 | A kind of pipeline welding support device |
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| CN113441883A (en) | 2021-09-28 |
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