CN113211008B - Prefabrication process of king crown plate of main pile type jacket - Google Patents
Prefabrication process of king crown plate of main pile type jacket Download PDFInfo
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- CN113211008B CN113211008B CN202110388260.0A CN202110388260A CN113211008B CN 113211008 B CN113211008 B CN 113211008B CN 202110388260 A CN202110388260 A CN 202110388260A CN 113211008 B CN113211008 B CN 113211008B
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- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a prefabrication process of a king crown plate of a main pile type jacket, which comprises the following steps of: the method comprises the following steps that S1, a crown setting plate is divided into a plurality of crown plates, and each crown plate comprises a plurality of crown toothed plates; s2, rolling the crown lofting plate into a circular tube; s3, dividing the cylinder into a plurality of pipe sections, wherein each pipe section comprises two crown plates which are opposite in a crossed mode; s4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction; s5, marking the dividing positions of the two crown plates on the pipe section and punching sample punching points; s6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting; s7, the pipe section is laid down, and the rest marking positions are cut for the second time in sequence, so that prefabrication is completed. According to the invention, the crown plate is prefabricated by the process, so that the utilization rate and the operation efficiency of materials can be improved, and the appearance of the prefabricated crown plate is better.
Description
Technical Field
The invention relates to the technical field of crown plate prefabrication, in particular to a prefabrication process of a king pile type jacket crown plate.
Background
The jacket platform is a structure fixed to the seabed by steel piles through a jacket, and the jacket itself has sufficient rigidity to ensure the structural integrity of the platform. The jacket platform is divided into a main pile type jacket and a skirt type jacket. The main pile type jacket is formed by directly driving a steel pile into water through a main guide pipe, and the skirt type jacket is formed by driving the steel pile into water through skirt sleeves around a platform. The welding fixation of the outer sleeve at the top of the guide pipe of the main pile type guide pipe frame and the steel pile driven into the guide pipe is realized through the crown plate. The crown plate is similar to a crown-shaped arc-shaped steel plate as the name implies, a single arc-shaped bent special-shaped steel plate with a Mongolian section shape is usually arranged at certain intervals, and the complete crown plate is formed by the special-shaped steel plates.
At present, the crown plate is mainly prefabricated by two methods, namely, firstly, typesetting and cutting are carried out, and then, the arc is pressed and formed; secondly, typesetting and rolling are performed firstly, and then the handle is cut and formed.
The first method comprises the following steps: typesetting, namely, firstly, reserving blank pressing allowance for the crown plates when the plates are typeset, wherein six crown plates are arranged in a single row, and all the crown plates are arranged on the same steel plate; blanking by using a numerical control plate cutting machine; and then pressing the bent part with the corresponding radian by using a single crown plate of a press machine, and then cutting off excess blank pressing materials and forming.
The second method comprises the following steps: typesetting, namely arranging six crown plate plates in a single row, wherein all the crown plate plates are arranged on the same steel plate; rolling the whole plate into a circular tube by using a plate rolling machine, and then cutting the crown plates in a single row and a row to form a plurality of rolled single tubes with the width of about 400 mm; and covering the steel pipe rolled in the circumferential direction by using the template which is manufactured by lofting, and then cutting and forming the steel pipe along the handle at the edge of the template by a worker.
The crown plate prefabricating process has the following defects: the main disadvantages of the first method are: although the blanking precision of the numerical control plate cutting machine used for blanking is high, the size of the crown plate is small, the press machine used in the next process needs to be repeatedly bent and measured, the requirement on corresponding radian can be met, the prefabrication time is long, more labor is consumed, the forming precision is not high, the blank pressing allowance reserved in advance still needs to be cut after the plate is pressed into an arc shape, and the material utilization rate is low. The main disadvantages of the second method are: the height of the crown plate is generally small and is only about 400mm, the width of the magnetic cutting machine with the auxiliary tool reaches more than 500mm, the magnetic cutting machine is not suitable for cutting the crown plate, a handle is usually used for cutting, the molded appearance of the crown plate cut by the handle is not good, and the cutting precision and quality are poor. The crown plates are arranged in a single row, so that the condition of steel waste exists, more cutting waste materials exist, and the cutting amount is larger. Before the cutting is carried out by the handle, the crown-shaped sample plate of 1:1 needs to be manufactured by independent lofting, the preparation time for cutting the crown plate is long, and the cutting operation efficiency is low.
In summary, the prior art of prefabricating crown plates has the problems of low material utilization rate, poor appearance after molding and low operation efficiency.
Disclosure of Invention
The invention aims to solve the technical problem of how to provide a prefabricating process of a king crown plate of a main pile type jacket, which has high material utilization rate, good appearance after molding and high operation efficiency.
In order to solve the technical problem, the invention provides a precast process of a king-pile jacket crown plate, which comprises the following steps of: s1, dividing the crown setting plate into a plurality of crown plates, wherein each crown plate comprises a plurality of crown toothed plates.
And S2, rolling the crown lofting plate into a circular tube.
And S3, dividing the circular pipe into a plurality of pipe sections, wherein each pipe section comprises two crown plates which are opposite in a crossed mode.
S4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction.
And S5, marking the dividing positions of the two crown plates on the pipe section and punching sample punching points.
And S6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting.
S7, the pipe sections are laid down, and the rest marking positions are cut for the second time in sequence, so that prefabrication of the king crown plate of the main pile type jacket is completed.
Further, a plurality of crown plates are uniformly arranged on the crown setting plate, and a plurality of crown toothed plates are uniformly arranged on the crown plates.
Still further, each said crown plate comprises six crown plates.
Furthermore, the height of the crown plate is 0.4-0.6 m, and the pipe diameter of the circular pipe is 2-3 m.
Further, the step S2 of rolling the crown lofting plate into a circular tube specifically includes rolling the crown lofting plate into the circular tube by a press machine and a plate rolling machine in sequence.
Further, the step S4 of fixing the pipe section specifically includes turning over the pipe section so that the end surface of the pipe section is perpendicular to the horizontal plane, then respectively arranging a wood wedge at each of the two ends of the bottom of the pipe section, respectively arranging a wrench at each of the two ends of the top of the pipe section, and finally connecting the wrench and the crane through a steel wire rope so that the pipe section is kept stable in the circumferential direction after the crane is stressed.
Further, the step S6 of sequentially performing first cutting on the scribing positions on the pipe section, and the step of maintaining the connection between at least two spaced scribing positions during cutting includes sequentially performing first cutting on the scribing positions of the pipe section through a magnetic cutting device, maintaining the connection between one scribing position at intervals of 90 degrees during cutting from bottom to top, and adjusting the position of the pipe section once every time the first cutting is completed to perform secondary cutting until the first cutting is completed.
Further, the concrete step of adjusting the position of the pipe section includes moving the wooden wedge, then rolling the pipe section by a crane and a crowbar, and fixing by the wooden wedge after the position adjustment of the pipe section is completed.
Further, the step S7 of laying down the pipe segment and performing the second cutting on the remaining scribing positions in sequence includes removing the wrench at one end of the top of the pipe segment, laying down the pipe segment by the crane so that the end surface of the pipe segment is parallel to the horizontal plane, and performing the second cutting on the remaining scribing positions in sequence by the magnetic cutting device.
Further, the step S7 of laying down the pipe sections and sequentially performing a second cutting on the remaining scribing positions so as to complete the prefabrication of the crown plates of the main pile jacket further includes step S8 of performing groove processing on each crown toothed plate.
The invention has the technical effects that: the method comprises the following steps that S1, a crown setting plate is divided into a plurality of crown plates, and each crown plate comprises a plurality of crown toothed plates; s2, rolling the crown lofting plate into a circular tube; s3, dividing the circular tube into a plurality of tube sections, wherein each tube section comprises two crown plates which are opposite in a crossed mode; s4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction; s5, marking the dividing positions of the two crown plates on the pipe section and punching sample punching points; s6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting; s7, the pipe sections are laid down, and the rest marking positions are cut for the second time in sequence, so that the prefabrication of the main pile type jacket crown plate is completed. The prefabricated crown plate can improve the utilization rate and the operating efficiency of materials, and the appearance of the prefabricated crown plate is better.
Drawings
Fig. 1 is a schematic flow chart of a prefabrication process of king crown plates of a king pile type jacket according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a flat laying pattern of crown setting plates in a process of prefabricating a king crown plate of a king pile type jacket according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a round pipe in a prefabrication process of a king crown plate of a king pile jacket according to an embodiment of the invention.
Fig. 4 is a structural top view of a pipe section in a prefabrication process of a king-cap plate of a king-pile jacket according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a pipe section after being fixed in a prefabrication process of a king-cap plate of a king-pile jacket according to an embodiment of the invention.
Fig. 6 is a schematic structural diagram of a pipe segment in a secondary cutting process in a prefabrication process of a king-cap plate of a king-pile jacket according to an embodiment of the invention.
Fig. 7 is a front view of crown plates in a precast process of king pile type jacket crown plates according to an embodiment of the present invention.
Wherein, 2, the crown plate is placed on a sample plate; 3. a steel plate; 4. a circular tube; 5. wood wedges; 6. a wire rope; 7. a plate clamp; 8. provided is a magnetic cutting device.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
The embodiment of the invention provides a prefabricating process of a king crown plate of a main pile type jacket, which is shown in the attached drawings 1 to 7 and comprises the following steps.
S1, divide crown into a plurality of crown plates with crown lofting board 2, every crown plate includes a plurality of crown toothed plates.
Specifically, the crown lofting plate 2 is a prefabricated part of a steel plate 3, which is divided or cut in advance.
Specifically, the tiled crown lofting plate 2 is divided into a plurality of crown plates according to actual requirements, wherein the specifications and the number of the crown plates are divided according to the specifications and the design requirements of the crown lofting plate 2, which is not specifically limited herein.
Specifically, the number and specifications of the crown toothed plates in each crown plate are set according to the specifications and design requirements of the crown plates, and are not specifically limited herein.
Furthermore, the crown laying plate 2 is also marked with a rolling direction so as to facilitate the next rolling.
Further, a plurality of crown plates are uniformly arranged on the crown setting plate 2, and a plurality of crown toothed plates are uniformly arranged on the crown plates. The crown toothed plates in each crown plate are divided into two parallel rows, and the two rows of crown toothed plates in each crown plate are arranged in a crossed and opposite mode. This makes it possible to obtain the same specification for each crown plate after prefabrication.
And S2, rolling the crown lofting plate 2 into a circular tube 4.
Specifically, after the step S1 is completed, the crown lofting plate 2 is rolled into the circular tube 4 by a press machine and a plate rolling machine in sequence according to the rolling direction. The press and the plate bending machine are conventional apparatuses, and the bending method is also conventional and will not be described in detail.
Specifically, the diameter of the circular tube 4 is set according to the specification of the crown lofting plate 2 and the specification of the crown plate, and is not particularly limited herein.
And S3, dividing the circular pipe 4 into a plurality of pipe sections, wherein each pipe section comprises two crossed and opposite crown plates.
Specifically, the circular tube is divided after the step S2 is completed.
Specifically, the number of the divided pipe sections of the circular pipe 4 is set according to the height of the circular pipe 4, so that each pipe section is ensured to include two crossing and opposite crown plates. Wherein, the cutting equipment can use a numerical control flame cutting machine, a numerical control plasma cutting machine, a straight strip cutting machine, a semi-automatic cutting machine, a magnetic force cutting machine and the like.
S4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction.
Specifically, after the step S3 is completed, the pipe section is turned over so that the end surface of the pipe section is perpendicular to the horizontal plane, and certainly, if the end surface of the pipe section is perpendicular to the horizontal plane, turning is not needed. Wherein the end surface of the pipe section is a top surface or a bottom surface on the exposed surface of the pipe section.
Specifically, two ends of the bottom of the pipe section are respectively provided with a wood wedge 5, two ends of the top of the pipe section are respectively provided with a plate clamp 7, and finally the plate clamps 7 are connected with a crane through a steel wire rope 6 so that the pipe section can keep stable in the circumferential direction after the crane is stressed. The wooden wedge 5, the plate tongs 7 and the crane are conventional devices, and are not described in detail here.
And S5, marking the dividing positions of the two crown plates on the pipe section, and punching a sample punching point.
Specifically, the scribing of the pipe section is performed after the step S4 is completed.
Specifically, the scribing position is a position where the crown toothed plates in the two crown plates arranged in a crossed manner in each pipe section are connected.
Specifically, the step S4 may be performed after the step S5 is completed.
And S6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting.
Specifically, after the step S5 is completed, the first cutting is sequentially performed on each pipe section.
Specifically, a cutting person stands on one side of the pipe section and sequentially carries out first cutting on the marking positions of the pipe section through a magnetic cutting device 8, the cutting direction is from bottom to top, connection of the marking positions is reserved every 90 degrees during cutting, and the position of the pipe section is adjusted once when the cutting of one marking position is finished so as to carry out secondary cutting until the first cutting is finished. At this time, the scribing positions where the connection is left have four. Wherein maintaining a connection at every 90 degrees of the scored location maintains the spaced connection of the pipe sections to ensure safety of the cutting operation.
Specifically, when the position of the pipe section is adjusted, the wooden wedge 5 is moved, then the pipe section is rolled by the crane and the crowbar, and when the position of the pipe section is adjusted, the pipe section is fixed by the wooden wedge 5. Wherein, the crowbar is the existing equipment and is not described in detail here.
S7, the pipe sections are laid down, and the rest marking positions are cut for the second time in sequence, so that prefabrication of the king crown plate of the main pile type jacket is completed.
Specifically, after the step S6 is completed, the second cutting is sequentially performed on each pipe section.
Specifically, the wrench 7 at one end of the top of the pipe section is removed, the pipe section is then laid down by the crane so that the end surface of the pipe section is parallel to the horizontal plane, and the remaining scribing positions are sequentially subjected to second cutting by the magnetic cutting device 8.
Further, after the step S7, the prefabricating process of the king crown plates of the main pile type jacket further includes a step S8 of performing groove processing on each of the king crown toothed plates.
Specifically, the groove processing is mainly to make the appearance of the crown plate obtained after prefabrication better and meet the prefabrication requirements.
In the above steps S4 to S8, each pipe section may be constructed in sequence until the construction of each pipe section is completed, and if the steps S4 to S8 of the first pipe section are completed first, and then the steps S4 to S8 of the remaining pipe sections are completed in sequence, the equipment requirement may be saved, but the operation efficiency is slow. All the pipe sections may be constructed at the same time, that is, all the pipe sections are constructed in the step S4, all the pipe sections are constructed in the step S5, all the pipe sections are constructed in the step S6, all the pipe sections are constructed in the step S7, and all the pipe sections are constructed in the step S8, so that the operation efficiency can be improved, but the equipment requirement is large.
In the embodiment, through the steps, S1, the crown lofting plate 2 is divided into a plurality of crown plates, and each crown plate includes a plurality of crown toothed plates; s2, rolling the crown lofting plate 2 into a circular tube 4; s3, dividing the circular tube 4 into a plurality of tube sections, wherein each tube section comprises two crown plates which are opposite in a crossed mode; s4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction; s5, marking the dividing positions of the two crown plates on the pipe section and punching sample punching points; s6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting; s7, the pipe sections are laid down, and the rest marking positions are cut for the second time in sequence, so that prefabrication of the king crown plate of the main pile type jacket is completed. The utilization ratio and the operating efficiency of material can be promoted to prefabricated crown plate like this, and make the prefabricated crown plate outward appearance that obtains better.
In order to better understand the present invention, a more specific definition will be described again, and the following steps correspond to the above-described steps, and are shown in fig. 2 to 7.
The first step is as follows: divide imperial crown model 2 into 8 imperial crown boards to mark roll system direction 2A, every imperial crown board includes 6 imperial crown toothed plates. Wherein the height of the crown plate is 0.4-0.6 m.
Specifically, the 8 crown plates are 1A, 1B, 1C, 1D, 1E, 1F, 1G, and 1H, respectively.
Specifically, crown tooth plates 201, 202, 203, 204, 205, 206 in 1A are respectively.
Specifically, crown toothed plates in 1B are 207, 208, 209, 2010, 2011, 2012 respectively.
Specifically, the crown tooth plates in 1C are 213, 214, 215, 216, 217, 218, respectively.
Specifically, crown tooth plates in 1D are 219, 220, 221, 222, 223, 224, respectively.
Specifically, crown tooth plates in 1E are 225, 226, 227, 228, 229, 230, respectively.
Specifically, the crown tooth plates in 1F are 231, 232, 233, 234, 235, 236, respectively.
Specifically, the crown tooth plates in 1G are 237, 238, 239, 240, 241, 242, respectively.
Specifically, crown tooth plates in 1H are 243, 244, 245, 246, 247, 248, respectively.
The second step is that: after the crown lofting plate 2 is divided, the crown lofting plate 2 is rolled into a circular tube 4 by a press machine and a plate rolling machine in sequence according to the rolling direction. Wherein, the pipe diameter of pipe 4 is 2 meters to 3 meters.
The third step: after the crown lofting plate 2 is rolled, the circular tube 4 is divided into 4 tube sections, and each tube section comprises two crown plates which are opposite in a crossed mode.
Specifically, the 4 pipe sections are 4A, 4B, 4C, 4D, respectively. Wherein 4A comprises crown plates 1A and 1B;4B comprises crown plates 1C and 1D;4C includes crown plates 1E and 1F;4D includes crown plates 1G and 1H;
the fourth step: after the circular pipe 4 is divided, the pipe section 4A is turned over to enable the end face of the pipe section 4A to be perpendicular to the horizontal plane, then the two ends of the bottom of the pipe section 4A are respectively provided with a wood wedge 5, then the two ends of the top of the pipe section 4A are respectively provided with a plate clamp 7, and finally the plate clamps 7 and the crane are connected through a steel wire rope 6 to enable the pipe section 4A to keep stable in the circumferential direction after the crane is stressed.
The fifth step: after the pipe section 4A is fixed, marking lines on the dividing positions of the two crown plates 1A and 1B on the pipe section 4A and punching points for sampling.
Specifically, the scribe locations include 41, 42, 43, 44 spaced 90 degrees apart.
And a sixth step: after the marking position and the sample punching point of the pipe section 4A are finished, the first cutting is started from the lower edge of the marking position 41 of the pipe section 4A from bottom to top, the position is adjusted once for each part of the cutting, and the marking positions 41, 42, 43 and 44 are connected during the cutting, namely the marking positions 41, 42, 43 and 44 are not cut.
The seventh step: after the first cut of the length 4A is completed, the length 4A is laid down and a second cut is made to the scoring positions 41, 42, 43, 44.
Eighth step: and after the second cutting of the pipe section 4A is finished, performing groove processing on the crown plates 1A and 1B, thereby finishing the prefabrication of the pipe section 4A. After the groove processing, the included angle of the edges of the adjacent crown toothed plates in the crown plates 1A and 1B is 30 degrees, and the inclination of the bottom edges of the crown plates 1A and 1B is 30 degrees.
Specifically, the pipe sections 4B, 4C, and 4D are constructed in sequence from the fourth step to the eighth step of the pipe section 4A, and the prefabrication process of the crown plate in the entire block of the crown lofting plate 2 can be completed.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitutions or changes made by the person skilled in the art on the basis of the present invention are all within the protection scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The prefabrication process of the king-cap plate of the main pile type jacket is characterized in that: comprises the following steps of (a) carrying out,
the method comprises the following steps that S1, a crown setting plate is divided into a plurality of crown plates, and each crown plate comprises a plurality of crown toothed plates;
s2, rolling the crown lofting plate into a circular tube;
s3, dividing the circular tube into a plurality of tube sections, wherein each tube section comprises two crown plates which are opposite in a crossed mode;
s4, fixing the pipe section to enable the pipe section to be stable in the circumferential direction;
s5, marking the dividing positions of the two crown plates on the pipe section and punching sample punching points;
s6, sequentially carrying out first cutting on the scribing positions on the pipe section, and keeping the connection of at least two spaced scribing positions during cutting;
s7, the pipe sections are laid down, and the rest marking positions are cut for the second time in sequence, so that prefabrication of the king crown plate of the main pile type jacket is completed.
2. The prefabrication process of king pile jacket crown plates according to claim 1, characterized in that: the crown plates are uniformly arranged on the crown setting plate, and the crown toothed plates are uniformly arranged on the crown plates.
3. The prefabrication process of king pile jacket crown plates according to claim 1, characterized in that: each crown plate comprises six crown toothed plates.
4. Prefabrication process of king plate of king pile jacket according to any one of claims 1 to 3, characterised in that: the height of the crown plate is 0.4-0.6 m, and the pipe diameter of the round pipe is 2-3 m.
5. The prefabrication process of king crown plates of king pile jacket according to claim 1, wherein: s2, the concrete steps of rolling the crown lofting plate into a round pipe comprise,
and rolling the crown lofting plate into the circular tube by a press machine and a plate rolling machine in sequence.
6. The prefabrication process of king pile jacket crown plates according to claim 1, characterized in that: s4, the concrete steps of fixing the pipe section comprise,
and finally, connecting the wrench and the crane through a steel wire rope to ensure that the pipe section keeps stable in the circumferential direction after the crane is stressed.
7. The prefabrication process of king plate of king pile jacket according to claim 6, wherein: s6, sequentially carrying out first cutting on the scribing positions on the pipe section, wherein the specific step of reserving the connection of at least two spaced scribing positions during cutting comprises the following steps,
and sequentially carrying out first cutting on the scribing positions of the pipe sections by using a magnetic cutting device, wherein the cutting direction is from bottom to top, the connection of the scribing positions is reserved every 90 degrees during cutting, and the position of the pipe section is adjusted once every time the cutting of one scribing position is finished so as to carry out secondary cutting until the first cutting is finished.
8. The prefabrication process of king plate of king pile jacket according to claim 7, wherein: the specific step of adjusting the position of the pipe section comprises,
and moving the wood wedge, rolling the pipe section through a crane and a crowbar, and fixing the pipe section by using the wood wedge after the position of the pipe section is adjusted.
9. The prefabrication process of king crown plates of king pile jacket according to claim 8, wherein: s7, the specific steps of laying the pipe section down and sequentially carrying out second cutting on the rest marking positions comprise,
and removing the wrench at one end of the top of the pipe section, then putting the pipe section down through the crane so that the end surface of the pipe section is parallel to the horizontal plane, and then sequentially carrying out second cutting on the rest marking positions through the magnetic cutting device.
10. The prefabrication process of king pile jacket crown plates according to claim 1, characterized in that: s7, after the steps of laying down the pipe sections and sequentially cutting the rest marking positions for the second time so as to complete the prefabrication of the main pile type jacket crown plates,
and S8, performing groove processing on each crown toothed plate.
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| US7516536B2 (en) * | 1999-07-08 | 2009-04-14 | Toho Engineering Kabushiki Kaisha | Method of producing polishing pad |
| US6508491B1 (en) * | 2000-11-09 | 2003-01-21 | Guenther Ebinger | Exhaust manifold clamp with vibration disconnecting effects for flange connections in exhaust lines and method of making same |
| EP1910035B1 (en) * | 2005-07-19 | 2011-10-19 | Autocondizionatori Zani S.R.L. | Tool for the connection of tubes by means of connection sleeves |
| JP5165806B1 (en) * | 2012-06-29 | 2013-03-21 | 株式会社関プレス | Metal part manufacturing method and metal part obtained by the manufacturing method |
| CA2993494C (en) * | 2015-08-04 | 2023-07-18 | Air Bamboo Industrial Gmbh | Web, sandwich plate, sandwich block and methods for producing same |
| JP6374051B1 (en) * | 2017-04-07 | 2018-08-15 | 前田建設工業株式会社 | How to build a tunnel |
| KR101865512B1 (en) * | 2017-09-28 | 2018-07-04 | 현대스틸산업주식회사 | Construction method of one body type jacket support structure for offshore wind turbine |
| CN208531785U (en) * | 2018-06-04 | 2019-02-22 | 中国核工业第五建设有限公司 | Air hose coiled material uncoiling ancillary equipment |
| CN112112182A (en) * | 2020-08-14 | 2020-12-22 | 海洋石油工程股份有限公司 | Jacket platform |
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