CN111015103A - Folding process and positioning tool for offshore booster station - Google Patents
Folding process and positioning tool for offshore booster station Download PDFInfo
- Publication number
- CN111015103A CN111015103A CN201911282686.7A CN201911282686A CN111015103A CN 111015103 A CN111015103 A CN 111015103A CN 201911282686 A CN201911282686 A CN 201911282686A CN 111015103 A CN111015103 A CN 111015103A
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- plate
- web
- welding
- positioning tool
- steel plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The embodiment of the invention discloses a folding process and a positioning tool for an offshore booster station, which comprise: a notch is formed in a web plate in one side, protruding out of a flange plate, of a web plate in a steel plate inwards along the central axis of the web plate, and the other side of the steel plate extends outwards along the central axis of the web plate to be installed with a positioning tool, wherein one end, far away from the steel plate, of the other side of the steel plate protrudes out of the flange plate of the web plate; one end of the positioning tool, which is far away from the steel plate, is provided with a traction opening inwards from the end surface along the axis of the web plate; inserting one end of one steel plate with a notch into a traction opening in a positioning tool arranged on the other steel plate until opposite webs in the two steel plates are attached to each other; and welding a plurality of attached steel plates, and folding the offshore booster station. The positioning tool comprises a plate body, and a traction opening and a mounting opening which are arranged at two ends of the plate body. The effect of stable butt joint and avoiding deformation of the welding position in the welding process is realized.
Description
Technical Field
The embodiment of the invention relates to the technical field of folding of offshore booster stations, in particular to a folding process and a positioning tool of an offshore booster station.
Background
The offshore booster station is a transfer station and a key hub for concentrated boosting and conveying of electric power of a wind power plant and plays a role in bearing core electric equipment of the wind power plant and the like, so that the offshore booster station is usually large in size and mainly structurally formed by splicing H-shaped steel and large I-shaped beams.
However, according to the regulations in GB50205, the distance between the flange plate splicing seam and the web plate splicing seam of the welded H-beam should not be less than 200mm, so in the splicing process, because the web plate and the flange plate at the closure seam of the H-beam and the large i-beam are not on the same surface, this will result in the need to patch the steel plate in the closure process, and once patch the two are directly docked, not only docking is difficult, but also the workload of welding can be greatly increased, causing a great waste of manpower and material costs. In addition, the direct butt joint mode of the steel plates is easy to cause deformation problems such as warping of the steel plates and the like due to problems such as welding stress and the like in the later welding process, especially in the process of producing large equipment such as an offshore booster station.
In the prior art, the steel plates are welded after being processed, for example, in patents CN104923894A and CN104741744A, the steel plates are directly welded, while in patent CN108817865A, the material of the steel plates is improved, which undoubtedly increases the manufacturing cost greatly, and not every enterprise for producing and using the offshore booster station has such great strength to duplicate the newly-molded steel plate material.
Disclosure of Invention
Therefore, the folding process and the positioning tool for the offshore booster station are provided by the embodiment of the invention, the protruding end of the web plate of the steel plate is provided with the notch, and the positioning tool is matched, one end of the web plate is clamped in the notch, and the other end of the web plate is arranged at the recessed end of the web plate of the other steel plate, so that the stable butt joint effect is ensured, and the welding position is further fastened and stabilized by the positioning tool in the whole welding process, so that the problems of deformation and the like of the welding position in the welding process are greatly avoided.
In order to achieve the above object, an embodiment of the present invention provides the following:
in an aspect of the embodiments of the present invention, there is provided a folding process of an offshore booster station, including:
s100, a notch is formed in a web plate in one side, protruding out of a flange plate, of a web plate in a steel plate inwards along the central axis of the web plate, and the other side of the steel plate extends outwards along the central axis of the web plate to be provided with a positioning tool, wherein one end, far away from the steel plate, of the steel plate protrudes out of the flange plate of the web plate;
s200, a traction opening is formed in one end, far away from the steel plate, of the positioning tool from the end face inwards along the axis of the web plate;
s300, inserting one end of one steel plate with a notch into a traction opening in a positioning tool arranged on the other steel plate in an embedded manner until opposite webs in the two steel plates are attached to each other;
and S400, welding a plurality of attached steel plates, and folding the offshore booster station.
As a preferable aspect of the present invention, in step S100, the central axis of the notch and the central axis of the web are located on the same straight line, and the length of the notch is smaller than a difference between the flange plate and the web along the axial direction.
As a preferred embodiment of the present invention, step S100 specifically includes:
s101, notches with included angles formed between side surfaces and the axis of the web plate are formed in the two sides of the central axis of the web plate from the end surfaces to the inside, and the width of each notch is gradually reduced from the end surface to the inside of the web plate;
s102, forming an installation groove inwards from the end face on one side, used for being installed on the web, of the positioning tool;
s103, inserting a web plate at one end, used for installing the positioning tool, of the steel plate into the installation groove in an embedded mode;
and S104, welding and connecting the inserted steel plate with the contact surface of the positioning tool.
In a preferred embodiment of the present invention, in step S101, the side surface of the notch is formed at an angle of 5 to 20 ° with respect to the axis of the web.
In a preferable embodiment of the present invention, in the step S102, in the process of opening the mounting groove, a plurality of prefabricated groove holes are formed in one end of the mounting groove located inside the web plate and recessed towards the web plate.
In a preferred embodiment of the present invention, in step S104, the welding speed of the welding process is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V.
As a preferred embodiment of the present invention, step S300 specifically includes:
s301, after one steel plate is inserted into the other steel plate, the non-welding surfaces of the two steel plates are abutted, so that the two steel plates are tightly attached;
s302, welding one end of the supporting plate to be connected with the surface of the positioning tool, and connecting the other end of the supporting plate to a plurality of supporting plates on any one steel plate; and the number of the first and second electrodes,
the surface of the web plate is perpendicular to the surface of the positioning tool, and an included angle of 80-85 degrees is formed between the surface of the supporting plate and the surface of the positioning tool.
As a preferable scheme of the invention, in step S400, the welding speed in the web welding process is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V;
the welding speed in the welding process of the flange plate is 30-40cm/min, the welding current is 180-220A, and the welding voltage is 25-30V.
In another aspect of the embodiment of the present invention, a positioning tool for the folding process described above is further provided, and includes a plate body, a drawing port and an installation port that are provided at two ends of the plate body, a distance between a bottom end of the drawing port and a bottom end of the installation port is a depth of the notch, and a thickness of the plate body in an extending direction from the bottom of the drawing port toward the installation port is gradually increased.
As a preferable scheme of the invention, a plurality of arc-shaped prefabricated slotted holes are formed at the bottom of the mounting opening, and the prefabricated slotted holes are positioned at two sides of the bottom end of the mounting opening;
and two side surfaces adjacent to the end surface provided with the traction opening or the mounting opening in the plate body are sequentially formed into a first cambered surface section, a plane section and a second cambered surface section.
The embodiment of the invention has the following advantages:
the end, protruding out of the web plate, of the steel plate is provided with a notch, and the positioning tool is provided with a traction opening matched with the notch, so that the steel plate and the positioning tool can be clamped through the matching of the traction opening and the notch, and the positioning tool is installed at the end, recessed out of the web plate, of the other steel plate, so that the two steel plates can be tightly spliced; in the welding process, due to the existence of the positioning tool, the whole web plate is reinforced, and the deformation phenomenon in the welding process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a flow chart of a folding process of an offshore booster station according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of steel plate splicing according to an embodiment of the present invention;
FIG. 3 is a schematic view of a partial structure of a steel plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a positioning tool provided in an embodiment of the present invention;
fig. 5 is a schematic partial structural view of a positioning tool according to an embodiment of the present invention;
fig. 6 is a schematic partial structure view of a folded steel plate according to an embodiment of the present invention.
In the figure:
1-a flange plate; 2-a web; 3-notch; 4-a plate body; 5-a traction opening; 6, mounting a port; 7-prefabricating a slotted hole; 8-support plate.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention provides a folding process of an offshore booster station, including:
s100, a notch 3 is formed in the web 2 in one side, protruding out of a flange plate 1, of the web 2 in the steel plate along the central axis of the web 2, and the other side of the steel plate extends outwards along the central axis of the web 2 and is provided with a positioning tool, one end, far away from the steel plate, of which one end protrudes out of the flange plate 1 of the web 2;
s200, a traction opening 5 is formed in one end, far away from the steel plate, of the positioning tool from the end face inwards along the axis of the web 2;
s300, inserting one end of one steel plate with a notch 3 into a traction opening 5 in a positioning tool arranged on the other steel plate in an embedded manner until opposite webs 2 in the two steel plates are attached to each other;
and S400, welding a plurality of attached steel plates, and folding the offshore booster station.
In a preferred embodiment of the present invention, in order to avoid the inconvenience of the whole operation process caused by the oversize notch 3, in step S100, the central axis of the notch 3 and the central axis of the web 2 are located on the same straight line, and the length of the notch 3 is smaller than the difference between the flange plate 1 and the web 2 along the axial direction.
In another preferred embodiment of the present invention, step S100 specifically includes:
s101, two sides of the web 2, which are positioned on a central axis, are inwards provided with notches 3, the side surfaces of which form included angles with the axis of the web 2, from the end surfaces, and the width of each notch 3 is gradually reduced from the end surface to the inside of the web 2; the snap-in part of the positioning tool here is, of course, in accordance with its structure, for example as shown in fig. 5, so that the positioning tool can be snapped into said notch 3, of course as part of the plate body 4 extending rearwardly from its drawing opening 5.
S102, arranging an installation groove inwards from the end face on one side, used for being installed on the web plate 2, of the positioning tool;
s103, inserting a web plate 2 at one end, used for installing the positioning tool, of the steel plate into the installation groove in an embedded mode;
and S104, welding and connecting the inserted steel plate with the contact surface of the positioning tool.
Through the setting, the notch 3 is set to be reduced from the end face to the web 2, so that the notch 3 and the positioning tool can be spliced conveniently, and the requirement for lifting operation in the splicing process is better reduced. Of course, in order to ensure the stability of the installation of the steel plate and the positioning tool, the steel plate and the positioning tool are welded after being inserted.
In a more preferred embodiment, in step S101, the side surface of the notch 3 forms an angle of 5-20 ° with the axis of the web 2.
Of course, in order to improve the stability after welding, in a preferred embodiment, in step S102, the opening of the mounting groove further comprises forming a plurality of preformed slots 7 at one end of the mounting groove located inside the web 2 and recessed towards the web 2. The pre-formed slots 7 are of course used here for further improving the robustness of the welding by welding the welding device to the pre-formed slots 7 after insertion of the two.
Of course, in order to improve the welding efficiency while ensuring the welding quality, in a preferred embodiment, in step S104, the welding speed of the welding process is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V.
In another preferred embodiment of the present invention, step S300 specifically includes:
s301, after one steel plate is inserted into the other steel plate, the non-welding surfaces of the two steel plates are abutted, so that the two steel plates are tightly attached;
s302, welding one end of the supporting plate to be connected with the surface of the positioning tool, and connecting the other end of the supporting plate to a plurality of supporting plates 8 on any one steel plate; and the number of the first and second electrodes,
the surface of the web plate 2 is perpendicular to the surface of the positioning tool, and an included angle of 80-85 degrees is formed between the surface of the support plate 8 and the surface of the positioning tool.
Through setting up the backup pad 8 to be formed with certain contained angle between the frock with the location, rather than setting up perpendicularly to effectively cushion and the stress that produces among the dispersion welding process, and then improve whole welding quality more effectively.
Of course, in a more preferred embodiment of the present invention, in step S400, the welding speed during the welding process of the web 2 is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V;
the welding speed in the welding process of the flange plate 1 is 30-40cm/min, the welding current is 180-220A, and the welding voltage is 25-30V.
The invention also provides a positioning tool for the folding process, as shown in fig. 4, the positioning tool comprises a plate body 4, a traction opening 5 and an installation opening 6 which are arranged at two ends of the plate body 4, the distance between the bottom end of the traction opening 5 and the bottom end of the installation opening 6 is the depth of the notch 3, and the thickness of the plate body 4 in the extending direction from the bottom of the traction opening 5 to the installation opening 6 is gradually increased. Of course, the extension length of the plate body 4 between the drawing opening 5 and the mounting opening 6 is adjusted according to the length of the notch 3, and of course, may not completely correspond to the length of the notch 3, and for example, may have a certain limit error based on the length of the notch 3, but it should be noted that the stability of the notch 3 being clamped is required to be substantially firmly ensured.
In a more preferred embodiment, the bottom of the mounting opening 6 is formed with a plurality of arc-shaped pre-formed slotted holes 7, and the pre-formed slotted holes 7 are positioned at both sides of the bottom end of the mounting opening 6;
and two side surfaces of the plate body 4 adjacent to the end surface provided with the traction opening 5 or the mounting opening 6 are sequentially formed into a first arc surface section, a plane section and a second arc surface section. The side face of the plate body 4 is arranged into a plurality of sections, and two sides of the plate body are arranged into arc faces, so that the buffering of force generated in the welding or extruding process is improved better.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A folding process of an offshore booster station is characterized by comprising the following steps:
s100, a notch (3) is formed in the web (2) in one side, protruding out of a flange plate (1), of the web (2) in the steel plate inwards along the central axis of the web (2), the other side of the steel plate outwards extends along the central axis of the web (2) and is provided with a positioning tool, one end, far away from the steel plate, of the other side of the steel plate is protruding out of the flange plate (1) of the web (2);
s200, a traction opening (5) is formed in one end, far away from the steel plate, of the positioning tool from the end face inwards along the axis of the web plate (2);
s300, inserting one end of one steel plate with a notch (3) into a traction opening (5) in a positioning tool arranged on the other steel plate in an embedded manner until opposite webs (2) in the two steel plates are attached to each other;
and S400, welding a plurality of attached steel plates, and folding the offshore booster station.
2. A folding process of an offshore booster station according to claim 1, wherein in step S100, the central axis of the notch (3) and the central axis of the web (2) are located on the same straight line, and the length of the notch (3) is smaller than the difference between the flange plate (1) and the web (2) along the axial direction.
3. The folding process of the offshore booster station according to claim 1 or 2, wherein the step S100 specifically comprises:
s101, notches (3) with included angles formed between side surfaces and the axis of the web plate (2) are inwards formed in two sides of the web plate (2) located on the central axis from the end surfaces, and the width of each notch (3) is gradually reduced from the end surface to the inside of the web plate (2);
s102, forming an installation groove inwards from the end face on one side, used for being installed on the web plate (2), of the positioning tool;
s103, inserting a web plate (2) at one end, used for installing the positioning tool, of the steel plate into the installation groove in an embedded mode;
and S104, welding and connecting the inserted steel plate with the contact surface of the positioning tool.
4. A folding process of an offshore booster station according to claim 3, characterized in that in step S101, the side of the notch (3) forms an angle of 5-20 ° with the axis of the web (2).
5. A folding process of an offshore booster station according to claim 3, wherein in the step S102, during the opening of the installation groove, a plurality of prefabricated slotted holes (7) are formed at one end of the installation groove, which is positioned inside the web (2), and is recessed towards the web (2).
6. The folding process of offshore booster station as claimed in claim 3, wherein in step S104, the welding speed in the welding process is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V.
7. The folding process of the offshore booster station according to claim 1 or 2, wherein the step S300 specifically comprises:
s301, after one steel plate is inserted into the other steel plate, the non-welding surfaces of the two steel plates are abutted, so that the two steel plates are tightly attached;
s302, welding one end of the supporting plate to be connected with the surface of the positioning tool, and connecting the other end of the supporting plate to a plurality of supporting plates (8) on any one steel plate; and the number of the first and second electrodes,
the surface of the web plate (2) is perpendicular to the surface of the positioning tool, and an included angle of 80-85 degrees is formed between the surface of the support plate (8) and the surface of the positioning tool.
8. The folding process of offshore booster station according to claim 1 or 2, wherein in step S400, the welding speed during the welding of the web (2) is 50-60cm/min, the welding current is 500-600A, and the welding voltage is 35-40V;
the welding speed in the welding process of the flange plate (1) is 30-40cm/min, the welding current is 180-220A, and the welding voltage is 25-30V.
9. A positioning tool for a folding process according to any one of claims 1-8, characterized by comprising a plate body (4), a traction opening (5) and a mounting opening (6) which are arranged at two ends of the plate body (4), wherein the distance between the bottom end of the traction opening (5) and the bottom end of the mounting opening (6) is the depth of the notch (3), and the thickness of the plate body (4) in the extending direction from the bottom of the traction opening (5) to the mounting opening (6) is gradually increased.
10. The positioning tool according to claim 9, characterized in that a plurality of arc-shaped preformed slotted holes (7) are formed at the bottom of the mounting opening (6), and the preformed slotted holes (7) are positioned at two sides of the bottom end of the mounting opening (6);
and two side surfaces of the plate body (4) adjacent to the end surface provided with the traction opening (5) or the mounting opening (6) form a first cambered surface section, a plane section and a second cambered surface section in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282686.7A CN111015103B (en) | 2019-12-13 | 2019-12-13 | Folding process and positioning tool for offshore booster station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282686.7A CN111015103B (en) | 2019-12-13 | 2019-12-13 | Folding process and positioning tool for offshore booster station |
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| CN111015103A true CN111015103A (en) | 2020-04-17 |
| CN111015103B CN111015103B (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114799742A (en) * | 2022-03-30 | 2022-07-29 | 中钢集团西安重机有限公司 | Nozzle beam and manufacturing method and machining tool thereof |
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