CN116214046A - FPSO pipeline prefabrication frock - Google Patents
FPSO pipeline prefabrication frock Download PDFInfo
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- CN116214046A CN116214046A CN202310256952.9A CN202310256952A CN116214046A CN 116214046 A CN116214046 A CN 116214046A CN 202310256952 A CN202310256952 A CN 202310256952A CN 116214046 A CN116214046 A CN 116214046A
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- 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
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- 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
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- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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Abstract
The invention discloses an FPSO pipeline prefabrication tool which comprises a platform and a rotary support frame, wherein the platform comprises a longitudinal beam, a mounting cross beam, a positioning support plate and a second bolt nut, the longitudinal beam comprises a first longitudinal beam, a second longitudinal beam, a third longitudinal beam and a fourth longitudinal beam, the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam have the same structures and respectively comprise first H-shaped steel, a first support plate, a first connecting plate, a first welding nut and a first support adjusting foot cup, the mounting cross beam and the positioning cross beam are perpendicular to the longitudinal beam, and the rotary support frame comprises a first rotary support frame and a second rotary support frame. The invention meets the requirement of prefabrication processing of the pipeline, the welded pipeline has high precision, is convenient and labor-saving, can be suitable for pipelines with different shapes, adopts steel sections as a platform, has low processing cost, is simple to purchase and has cheap raw materials, and the tooling can be repeatedly used, thereby meeting the requirement of the actual welding process.
Description
Technical Field
The invention relates to an FPSO pipeline prefabrication tool.
Background
The global energy competition is becoming more and more intense, and energy service engineering companies (EPCs) and owners are improving the operation efficiency and shortening the production period, so that prefabricated pipe section manufacturers are promoted to develop from the small prefabricated pipe manufacturing to the three-dimensional large-scale, and complete pipe prefabrication solutions are provided for customers. In the factory prefabrication and assembly site of large pipelines of floating production, storage and oil discharging ship (FPSO) engineering, particularly with the requirement of three-dimensional space, the practical limitations of angle deflection, prefabrication tolerance, hole site direction and the like exist, and if proper tools are not available in the manufacturing process, the precise control cannot be realized, and the problems of team formation and welding are caused.
Disclosure of Invention
The technical problem to be solved mainly by the invention is to provide the FPSO pipeline prefabrication tool, which meets the requirement of pipeline prefabrication processing, the welded pipeline has high precision, is convenient and labor-saving, can be suitable for pipelines with different shapes, uses steel profiles as a platform, has low processing cost and low purchase cost, is cheap in raw materials, can be repeatedly used, and meets the requirement of an actual welding process; the working environment of uneven ground under different working conditions can be met, a relatively flat working environment can be created, and the requirement of pipeline butt joint is met; meanwhile, the movable rotary support frame with multiple specifications is suitable for connecting different installation scenes such as different steel pipes, pipe fittings and parts, is convenient for the installation and connection of pipelines, is convenient for calibration, and is convenient for on-site workers to install and calibrate; the problem that the pipeline is not installed correctly in practical application is solved, and the pairing efficiency is improved.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a FPSO pipeline prefabrication frock for the place of pipeline, the pipeline is provided with the multistage first pipeline section, the second pipeline section, the third pipeline section, fourth pipeline section and the fifth pipeline section that sets up in proper order, first pipeline section, the second pipeline section, the third pipeline section, the first end to end link of fourth pipeline section and fifth pipeline section is provided with first welding seam, the second welding seam, third welding seam and fourth welding seam and welded fastening in proper order correspondingly, first pipeline section and fifth pipeline section all are two-section type structure and correspond the concatenation through first ring flange group and second ring flange group and by first bolt nut locking fixed, including platform and rotating support frame, the platform includes longeron, installation crossbeam, location backup pad and second bolt nut, the longeron includes first longeron, second longeron, third longeron and fourth longeron, the first longitudinal beam, the third longitudinal beam, the second longitudinal beam and the fourth longitudinal beam are connected end to end through second bolt nuts and are relatively arranged in parallel, the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam are identical in structure and respectively comprise first H-shaped steel, a first supporting plate, a first connecting plate, a first welding nut and a first supporting adjusting foot cup, the first supporting plate, the first connecting plate and the first welding nut are fixedly welded with the first H-shaped steel, the first supporting plate and the first connecting plate are respectively provided with a plurality of side grooves of the first H-shaped steel which are distributed at intervals in two opposite sides of the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam, the first welding nut is provided with a plurality of bottoms which are distributed at intervals in the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam, the first supporting adjusting foot cup is in threaded connection with the bottoms of the first welding nut, the installation crossbeam and the location crossbeam all set up perpendicularly with the longeron, the installation crossbeam is provided with a plurality of and both ends respectively with first connecting plate pass through second bolt nut locking fixed, location crossbeam parallel arrangement is between two installation crossbeams of wherein one end and both ends respectively with first connecting plate pass through second bolt nut locking fixed, location crossbeam top one side is fixed to be provided with the location backup pad, the swivel mount includes first swivel mount and second swivel mount, correspond respectively on a plurality of installation crossbeams of location backup pad place side and be provided with first swivel mount, and be provided with second swivel mount on the follow-up installation crossbeam respectively, the pipeline corresponds to be set up on first swivel mount, location backup pad and second swivel mount.
In a preferred embodiment of the invention, the mounting beam comprises a second H-beam, a second support plate, a second weld nut, and a second support adjustment foot cup.
In a preferred embodiment of the present invention, two ends of the second H-shaped steel are respectively connected with the first connecting plate correspondingly, the second supporting plate is provided with a plurality of side grooves which are welded and fixed in the second H-shaped steel at intervals, the second welding nuts are provided with a plurality of bottom parts which are welded and fixed in the second H-shaped steel at intervals, and the second supporting and adjusting pin cup is provided with a plurality of bottom parts which are respectively connected with the bottom parts of the second welding nuts in a threaded manner.
In a preferred embodiment of the present invention, the positioning beam comprises a third H-section steel, a second connecting plate, a third weld nut and a third support adjustment foot cup.
In a preferred embodiment of the present invention, two ends of the third H-shaped steel are respectively connected with the first connecting plate correspondingly, the second connecting plate is provided with a plurality of side grooves which are welded and fixed in the third H-shaped steel at intervals, the third welding nuts are provided with a plurality of bottom parts which are welded and fixed in the third H-shaped steel at intervals, and the third supporting and adjusting pin cup is provided with a plurality of bottom parts which are respectively connected with the bottom parts of the third welding nuts in a threaded manner.
In a preferred embodiment of the present invention, the first rotary support frame includes a first pipe support base, a first fastening screw, a first T-shaped screw, a first rotary hand wheel, a first thrust bearing, a first bottom plate, a first cylinder, a first stop screw, and a first toothed platen.
In a preferred embodiment of the invention, a first toothed pressing plate is fixedly arranged at the bottom of the first bottom plate, the first cylinder is fixedly welded at the top of the first bottom plate, a first rotating hand wheel is arranged at the top of the first cylinder through a first thrust bearing, the first T-shaped screw sequentially penetrates through the centers of the first rotating hand wheel, the first cylinder and the first bottom plate and is in threaded connection with the first rotating hand wheel, a threaded hole communicated with the center is formed in the side edge of the first cylinder, a first stop screw correspondingly locked with the first T-shaped screw is in threaded connection with the side edge of the first cylinder, and the first pipeline supporting seat is fixed at the top of the first T-shaped screw through a first fastening screw.
In a preferred embodiment of the present invention, the second rotary support frame includes a second pipe support seat, a second fastening screw, a second T-shaped screw, a second rotary hand wheel, a second thrust bearing, a second bottom plate, a second cylinder, a second fixing screw, a second toothed pressing plate, and a receiving plate.
In a preferred embodiment of the invention, a second toothed pressing plate is fixedly arranged at the bottom of the second bottom plate, the bottom of the second cylinder is fixedly arranged at the top of the first bottom plate through annularly distributed bearing plates in a welded mode, a second rotating hand wheel is arranged at the top of the second cylinder through a second thrust bearing, the second T-shaped screw sequentially penetrates through the centers of the second rotating hand wheel, the second cylinder and the second bottom plate and is in threaded connection with the second rotating hand wheel, a threaded hole communicated with the center is formed in the side edge of the second cylinder, a second stop screw corresponding to the second T-shaped screw is in threaded connection with the side edge of the second cylinder, and the second pipeline supporting seat is fixedly arranged at the top of the first T-shaped screw through a second fastening screw.
The beneficial effects of the invention are as follows: the FPSO pipeline prefabrication tool meets the requirement of pipeline prefabrication processing, the welded pipeline is high in precision, convenient and labor-saving, and applicable to pipelines of different shapes, the used platform is a steel section, the processing cost is low, the purchase is simple, the raw materials are cheap, the tool can be reused, and the requirement of an actual welding process is met; the working environment of uneven ground under different working conditions can be met, a relatively flat working environment can be created, and the requirement of pipeline butt joint is met; meanwhile, the movable rotary support frame with multiple specifications is suitable for connecting different installation scenes such as different steel pipes, pipe fittings and parts, is convenient for the installation and connection of pipelines, is convenient for calibration, and is convenient for on-site workers to install and calibrate; the problem that the pipeline is not installed correctly in practical application is solved, and the pairing efficiency is improved.
Drawings
For a clearer description of the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a perspective view of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 2 is an enlarged partial view of section I of FIG. 1;
FIG. 3 is an enlarged partial view of section II of FIG. 1;
FIG. 4 is a front view of a stringer of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 5 is a front view of a mounting beam of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 6 is a front view of a positioning beam of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 7 is a cross-sectional view of a first rotating support frame of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 8 is a cross-sectional view of a second rotating support frame of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention;
FIG. 9 is a schematic diagram of a pipeline of a preferred embodiment of an FPSO pipeline prefabrication tool according to the present invention.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 in combination with fig. 2 to 9, an embodiment of the present invention includes:
an FPSO pipeline prefabrication tool is used for placing a pipeline 300 and comprises a platform and a rotary support frame, wherein the platform comprises a longitudinal beam, a mounting cross beam 150, a positioning cross beam 160, a positioning support plate 170 and a second bolt and nut 180.
The stringers include a first stringer 110, a second stringer 120, a third stringer 130 and a fourth stringer 140, the first stringer 110, the third stringer 130, the second stringer 120 and the fourth stringer 140 are connected end to end and are relatively parallel to each other through a second bolt and nut 180, and the mounting cross beam 150 and the positioning cross beam 160 are all vertically arranged with the stringers to form a platform supported by the pipeline 300.
The first longitudinal beam 110, the second longitudinal beam 120, the third longitudinal beam 130 and the fourth longitudinal beam 140 are identical in structure and respectively comprise first H-shaped steel (111, 121, 131, 141), first support plates (112, 122, 132, 142), first connecting plates (113, 123, 133, 143), first welding nuts (115, 125, 135, 145) and first support adjusting foot cups (114, 124, 134, 144).
The first supporting plates (112, 122, 132, 142), the first connecting plates (113, 123, 133, 143) and the first welding nuts (115, 125, 135, 145) are welded and fixed with the first H-shaped steel (111, 121, 131, 141), so that the use strength is ensured. The first support plates (112, 122, 132, 142) and the first connecting plates (113, 123, 133, 143) are respectively provided with a plurality of side grooves which are respectively arranged in the first H-shaped steel (111, 121, 131, 141) on two opposite sides of the first longitudinal beam 110, the second longitudinal beam 120, the third longitudinal beam 130 and the fourth longitudinal beam 140 at intervals, the first support plates (112, 122, 132, 142) are used for reinforcing and supporting the first H-shaped steel (111, 121, 131, 141), and the first connecting plates (113, 123, 133, 143) are used for mounting and connecting the cross beam 150 and the positioning cross beam 160. The first welding nuts (115, 125, 135, 145) are arranged at a plurality of bottoms of the first longitudinal beam 110, the second longitudinal beam 120, the third longitudinal beam 130 and the fourth longitudinal beam 140 at intervals, the first support adjusting foot cups (114, 124, 134, 144) are connected with the bottoms of the first welding nuts (115, 125, 135, 145) in a threaded mode, and the heights of the longitudinal beams are properly adjusted by adjusting the first support adjusting foot cups (114, 124, 134, 144).
The mounting cross beam 150 is provided with a plurality of mounting cross beams, two ends of the mounting cross beam are respectively locked and fixed with the first connecting plates (113, 123, 133 and 143) through the second bolts and nuts 180, and the mounting cross beam is used for connecting the longitudinal beams and is convenient to assemble and disassemble.
The mounting beam 150 includes a second H-section steel 151, a second support plate 152, a second weld nut 153, and a second support adjustment foot cup 154.
The two ends of the second H-shaped steel 151 are respectively connected with the first connecting plates (113, 123, 133, 143) correspondingly, the second supporting plates 152 are provided with a plurality of side grooves which are welded and fixed in the second H-shaped steel 151 at intervals, and the second supporting plates 152 are used for improving the use strength of the second H-shaped steel 151. The second welding nuts 153 are provided with a plurality of second support adjusting pin cups 154 which are fixed at intervals on the bottom of the second H-shaped steel 151, and the second support adjusting pin cups 154 are provided with a plurality of second support adjusting pin cups 154 which are respectively connected with the bottom of the second welding nuts 153 in a threaded manner, and the height of the second H-shaped steel 151 is properly adjusted through the second support adjusting pin cups 154.
The positioning cross beam 160 is disposed in parallel between two mounting cross beams 150 at one end, and two ends of the positioning cross beam are respectively locked and fixed with the first connecting plates (113, 123, 133, 143) through the second bolt and nut 180, so that the assembly and the disassembly are convenient.
A positioning support plate 170 is fixedly arranged on one side of the top of the positioning beam 160 for positioning and supporting the pipeline 300.
The positioning beam 160 comprises a third H-beam 161, a second connecting plate 162, a third weld nut 163 and a third support adjustment foot cup 164.
The two ends of the third H-shaped steel 161 are respectively and correspondingly connected with the first connecting plates (113, 123, 133 and 143), the second connecting plates 162 are provided with a plurality of side grooves which are welded and fixed in the third H-shaped steel 161 at intervals, and the second connecting plates 162 are used for facilitating the installation and connection of components. The third welding nuts 163 are provided with a plurality of third support adjusting pin cups 164 which are fixed at intervals to the bottom of the third H-shaped steel 161, and the third support adjusting pin cups 164 are provided with a plurality of third support adjusting pin cups 164 which are respectively connected to the bottom of the third welding nuts 163 in a threaded manner, and the height of the third H-shaped steel 161 is properly adjusted through the third support adjusting pin cups 164.
The platform height is adjusted by the level gauge through the first support adjustment foot cup (114, 124, 134, 144), the second support adjustment foot cup 154 and the third support adjustment foot cup 164, so that the whole platform is kept at the same level, and finally the second bolt and nut 180 are screwed.
The rotary support frame comprises a first rotary support frame 200 and a second rotary support frame 250, and can adjust the support direction of the pipeline by 360 degrees and adapt to all directions of the pipeline. The plurality of mounting beams 150 on the side where the positioning support plate 170 is located are respectively and correspondingly provided with a first rotating support frame 200, and the subsequent mounting beams 150 are respectively and correspondingly provided with a second rotating support frame 250, and the pipeline 300 is correspondingly arranged on the first rotating support frame 200, the positioning support plate 170 and the second rotating support frame 250.
The height direction of the first rotary supporting frame 200 can be finely adjusted, so that the level of the positioning pipe section can be adjusted. The first rotary support frame 200 includes a first pipe support base 201, a first fastening screw 202, a first T-shaped screw 203, a first rotary hand wheel 204, a first thrust bearing 205, a first bottom plate 206, a first cylinder 207, a first stop screw 209, and a first toothed platen 208.
The bottom of the first bottom plate 206 is fixedly provided with a first toothed pressing plate 208, and the first toothed pressing plate 208 is fixed on the mounting beam 150. The first cylinder 207 is welded and fixed on the top of the first bottom plate 206, so as to ensure stable connection. The first cylinder 207 is provided with a first rotating hand wheel 204 at the top by means of a first thrust bearing 205, such that the first rotating hand wheel 204 is rotatable at the bottom of the first cylinder 207. The first T-shaped screw 203 sequentially passes through the centers of the first rotary hand wheel 204, the first cylinder 207 and the first bottom plate 206 and is in threaded connection with the first rotary hand wheel 204, and the first T-shaped screw 203 can be driven to do lifting motion by the first rotary hand wheel 204. The side of the first cylinder 207 is provided with a threaded hole communicated with the center and is in threaded connection with a first stop screw 209 correspondingly locked with the first T-shaped screw 203, and the first T-shaped screw 203 after adjustment is ensured to be fixed and stable through the first stop screw 209, so that height jumping is prevented. The first pipe supporting seat 201 is fixed on the top of the first T-shaped screw 203 by the first fastening screw 202, when the pipe 300 is placed on the first pipe supporting seat 201, the first T-shaped screw 203 is stressed, and at this time, the first T-shaped screw 203 can be driven to do lifting motion by the first rotating hand wheel 204 to adjust the height position of the first pipe supporting seat 201.
The height direction of the second rotary supporting frame 250 can be adjusted in a large range, and when the integral prefabricated pipeline has different height differences, the height of each pipeline section can be respectively adjusted. The second rotary support frame 250 includes a second pipe support seat 251, a second fastening screw 252, a second T-shaped screw 253, a second rotary hand wheel 254, a second thrust bearing 255, a second bottom plate 256, a second cylinder 257, a second fixing screw 2510, a second toothed pressing plate 258, and a receiving plate 259.
A second toothed pressing plate 258 is fixedly arranged at the bottom of the second bottom plate 256, and is fixed on the mounting beam 150 through the second toothed pressing plate 258. The bottom of the second cylinder 257 is welded and fixed to the top of the first bottom plate 206 by annularly distributed receiving plates 259, so as to raise the position of the second round through and ensure the stability of the fixation. The second cylinder 257 is provided with a second rotating hand wheel 254 at the top by means of a second thrust bearing 255, such that the second rotating hand wheel 254 is rotatable at the bottom of the second cylinder 257. The second T-shaped screw 253 sequentially passes through the centers of the second rotary hand wheel 254, the second cylinder 257 and the second bottom plate 256 and is in threaded connection with the second rotary hand wheel 254, and the second T-shaped screw 253 can be driven to perform lifting movement by the second rotary hand wheel 254. The side of the second cylinder 257 is provided with a threaded hole communicated with the center and is in threaded connection with a second stop screw 2510 correspondingly locked with the second T-shaped screw 253, and the second T-shaped screw 253 after adjustment is ensured to be fixed and stable through the second stop screw 2510, so that height jump is prevented. The second pipe support seat 251 is fixed on the top of the first T-shaped screw 203 by a second fastening screw 252, when the pipeline 300 is placed on the second pipe support seat 251, the second T-shaped screw 253 is stressed, and at this time, the second T-shaped screw 253 can be driven to do lifting movement by a second rotating hand wheel 254 to adjust the height position of the second pipe support seat 251.
The first and second rotating supports 200 and 250 may be mounted at any position of the mounting beam 150.
The pipeline 300 is provided with a plurality of sections including a first pipe section 310, a second pipe section 320, a third pipe section 330, a fourth pipe section 340 and a fifth pipe section 350 which are sequentially arranged, the head-tail connection ends of the first pipe section 310, the second pipe section 320, the third pipe section 330, the fourth pipe section 340 and the fifth pipe section 350 are correspondingly provided with a first welding seam S1, a second welding seam S2, a third welding seam S3 and a fourth welding seam S4 which are sequentially welded and fixed, the first pipe section 310 and the fifth pipe section 350 are in a two-section structure and correspondingly spliced through a first flange plate group 360 and a second flange plate group 370 and are locked and fixed through a first bolt nut 380, and when the pipeline is assembled, the first pipe section 310 is positioned first, so that the positioning accuracy of the subsequent pipe sections is ensured.
The first rotary support frame 200 is fixed at the approximate position of the mounting beam 150, the first pipe section 310 is lifted by using the lifting equipment and fixed on the positioning support plate 170, the position of the first rotary support frame 200 is adjusted to support the first pipe section 310, the first pipe section 310 is tested to be horizontal by using the level meter, the height of the first pipe section 310 is adjusted to be horizontal by using the first rotary support frame 200, then the second pipe section 320 is lifted by using the same operation, the ports of the second pipe section 320 are aligned with one port of the first pipe section 310, the ports of the first pipe section 310 are fixed by spot welding, and the operations are repeated, so that the ports of the rest pipe sections are aligned in pairs.
In summary, the FPSO pipeline prefabrication tool disclosed by the invention meets the requirement of pipeline prefabrication processing, the welded pipeline is high in precision, convenient and labor-saving, the FPSO pipeline prefabrication tool can be suitable for pipelines with different shapes, the used platform is a steel profile, the processing cost is low, the purchase is simple, the raw materials are cheap, the tool can be reused, and the requirement of an actual welding process is met; the working environment of uneven ground under different working conditions can be met, a relatively flat working environment can be created, and the requirement of pipeline butt joint is met; meanwhile, the movable rotary support frame with multiple specifications is suitable for connecting different installation scenes such as different steel pipes, pipe fittings and parts, is convenient for the installation and connection of pipelines, is convenient for calibration, and is convenient for on-site workers to install and calibrate; the problem that the pipeline is not installed correctly in practical application is solved, and the pairing efficiency is improved.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (9)
1. An FPSO pipeline prefabrication tool is used for placing a pipeline, the pipeline is provided with a plurality of sections including a first pipe section, a second pipe section, a third pipe section, a fourth pipe section and a fifth pipe section which are sequentially arranged, the head-to-tail connection ends of the first pipe section, the second pipe section, the third pipe section, the fourth pipe section and the fifth pipe section are correspondingly provided with a first welding seam, a second welding seam, a third welding seam and a fourth welding seam which are sequentially welded and fixed, the first pipe section and the fifth pipe section are respectively in a two-section structure, are correspondingly spliced through a first flange plate group and a second flange plate group and are locked and fixed through a first bolt and nut, the FPSO pipeline prefabrication tool is characterized by comprising a platform and a rotary support frame, the platform comprises a longitudinal beam, an installation cross beam, a positioning support plate and a second bolt and nut, the longitudinal beam comprises a first longitudinal beam, a second longitudinal beam, a third longitudinal beam and a fourth longitudinal beam, the first longitudinal beam, the third longitudinal beam, the second longitudinal beam and the fourth longitudinal beam are connected end to end through second bolt nuts and are relatively arranged in parallel, the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam are identical in structure and respectively comprise first H-shaped steel, a first supporting plate, a first connecting plate, a first welding nut and a first supporting adjusting foot cup, the first supporting plate, the first connecting plate and the first welding nut are fixedly welded with the first H-shaped steel, the first supporting plate and the first connecting plate are respectively provided with a plurality of side grooves of the first H-shaped steel which are distributed at intervals in two opposite sides of the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam, the first welding nut is provided with a plurality of bottoms which are distributed at intervals in the first longitudinal beam, the second longitudinal beam, the third longitudinal beam and the fourth longitudinal beam, the first supporting adjusting foot cup is in threaded connection with the bottoms of the first welding nut, the installation crossbeam and the location crossbeam all set up perpendicularly with the longeron, the installation crossbeam is provided with a plurality of and both ends respectively with first connecting plate pass through second bolt nut locking fixed, location crossbeam parallel arrangement is between two installation crossbeams of wherein one end and both ends respectively with first connecting plate pass through second bolt nut locking fixed, location crossbeam top one side is fixed to be provided with the location backup pad, the swivel mount includes first swivel mount and second swivel mount, correspond respectively on a plurality of installation crossbeams of location backup pad place side and be provided with first swivel mount, and be provided with second swivel mount on the follow-up installation crossbeam respectively, the pipeline corresponds to be set up on first swivel mount, location backup pad and second swivel mount.
2. The FPSO duct prefabrication tool according to claim 1, wherein the mounting cross-beam comprises a second H-section steel, a second support plate, a second weld nut and a second support adjustment foot cup.
3. The FPSO pipeline prefabrication tool according to claim 2, wherein two ends of the second H-shaped steel are respectively and correspondingly connected with the first connecting plate, the second supporting plate is provided with a plurality of side grooves which are welded and fixed in the second H-shaped steel at intervals, the second welding nuts are provided with a plurality of bottom parts which are welded and fixed in the second H-shaped steel at intervals, and the second supporting adjusting pin cups are provided with a plurality of bottom parts which are respectively and threadedly connected with the second welding nuts.
4. The FPSO pipeline prefabrication tool according to claim 1, wherein the locating beam comprises a third H-section steel, a second connecting plate, a third weld nut and a third support adjustment foot cup.
5. The FPSO pipeline prefabrication tool according to claim 4, wherein two ends of the third H-shaped steel are respectively and correspondingly connected with the first connecting plates, the second connecting plates are provided with a plurality of side grooves which are welded and fixed in the third H-shaped steel at intervals, the third welding nuts are provided with a plurality of bottom parts which are welded and fixed in the third H-shaped steel at intervals, and the third supporting adjusting pin cups are provided with a plurality of bottom parts which are respectively and threadedly connected with the third welding nuts.
6. The FPSO pipeline prefabrication tool according to claim 1, wherein the first rotating support frame comprises a first pipeline support seat, a first fastening screw, a first T-screw, a first rotating hand wheel, a first thrust bearing, a first bottom plate, a first cylinder, a first stop screw, and a first toothed platen.
7. The FPSO pipeline prefabrication tool according to claim 6, wherein a first toothed pressing plate is fixedly arranged at the bottom of the first bottom plate, the first cylinder is welded and fixed at the top of the first bottom plate, a first rotating hand wheel is arranged at the top of the first cylinder through a first thrust bearing, the first T-shaped screw sequentially penetrates through the centers of the first rotating hand wheel, the first cylinder and the first bottom plate and is in threaded connection with the first rotating hand wheel, a threaded hole communicated with the center is formed in the side edge of the first cylinder, a first stop screw corresponding to the first T-shaped screw is in threaded connection with the side edge of the first cylinder, and the first pipeline supporting seat is fixed at the top of the first T-shaped screw through a first fastening screw.
8. The FPSO pipeline prefabrication tool according to claim 1, wherein the second rotating support frame comprises a second pipeline support seat, a second fastening screw, a second T-shaped screw, a second rotating hand wheel and a second thrust bearing, a second bottom plate, a second cylinder, a second stop screw, a second toothed platen and a receiving plate.
9. The FPSO pipeline prefabrication tool according to claim 8, wherein a second toothed pressing plate is fixedly arranged at the bottom of the second bottom plate, the bottom of the second cylinder is welded and fixed at the top of the first bottom plate through an annular distribution bearing plate, a second rotating hand wheel is arranged at the top of the second cylinder through a second thrust bearing, a second T-shaped screw sequentially penetrates through the centers of the second rotating hand wheel, the second cylinder and the second bottom plate and is in threaded connection with the second rotating hand wheel, a threaded hole communicated with the center is formed in the side edge of the second cylinder, a second stop screw correspondingly locked with the second T-shaped screw is in threaded connection with the side edge of the second cylinder, and the second pipeline supporting seat is fixed at the top of the first T-shaped screw through a second fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310256952.9A CN116214046A (en) | 2023-03-17 | 2023-03-17 | FPSO pipeline prefabrication frock |
Applications Claiming Priority (1)
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