CN218779781U - Variable cross section Box type steel column structure - Google Patents
Variable cross section Box type steel column structure Download PDFInfo
- Publication number
- CN218779781U CN218779781U CN202121648498.4U CN202121648498U CN218779781U CN 218779781 U CN218779781 U CN 218779781U CN 202121648498 U CN202121648498 U CN 202121648498U CN 218779781 U CN218779781 U CN 218779781U
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- web
- flange
- variable cross
- groove
- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 238000003466 welding Methods 0.000 claims abstract description 37
- 230000035515 penetration Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 17
- 238000005192 partition Methods 0.000 description 15
- 238000005520 cutting process Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a variable cross section box steel column structure, including two webs and two flange boards, two mutual symmetries of web and establishing, both sides about two webs are located to two flange boards, be equipped with the baffle perpendicularly between two webs, the baffle all is equipped with the gib with the flange board connection limit left and right sides, the web passes through welded fastening with the flange board and is connected, the web is used for opening the system with flange board welded connection's border and has the groove, the border both ends that the system had the groove are opened to the web is reserved has end top tight location platform, the web is used for being equipped with the backing plate with flange board welded connection's groove medial surface. The utility model discloses a groove form to the web improves the back, changes into the tight assembly in local top by the clearance assembly, can guarantee overall dimension, can ensure weld gap's size unanimity again, solves the overall dimension and the full penetration problem of welding seam at variable cross section position.
Description
Technical Field
The utility model belongs to the technical field of the building steel structure preparation, concretely relates to variable cross section box steel column structure.
Background
With the support and encouragement of the application of the building steel structure by the country, more and more large buildings take the steel structure as a building main body, and the building concept of green and environmental protection is fully embodied. Due to the bearing capacity and the anti-seismic requirement of the large building main bodies, box-type steel columns are mostly selected as main body columns, particularly in multi-storey and high-rise buildings, in order to save cost and reduce dead weight, and under the condition of ensuring the safety and stability of the structure, the box-type columns all adopt one or more variable cross sections. The box-type variable-section steel column consists of two webs 2', two flange plates 1' arranged at two ends of the webs and a partition plate, and is shown in figure 10. The variable cross-section area of the variable cross-section box-type stand column is a stand column stress concentration area, and in order to resist the influence of stress concentration on the bearing capacity of a welding seam, the design generally requires that the connecting welding seam in the variable cross-section area is a full penetration welding seam. In order to ensure the welding quality of the full penetration weld between the web plate and the wing plate, a single-groove zero-truncated-edge zero-clearance assembly is adopted, but the structure is difficult to ensure the overall dimension of the box column and the full penetration of the weld at one time. In fig. 10, it can be seen that the gap welding of the wing web is difficult to ensure the box-shaped overall dimension, and the full penetration weld is difficult to achieve the full penetration effect due to the uneven welding gap. Therefore, through continuous research and exploration, the application provides a method for effectively solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a the technical problems of (1): the utility model provides a variable cross section box steel column structure, the utility model discloses a back is improved to the groove form of web, is changed into the tight assembly in local top by the clearance assembly, can guarantee overall dimension, can ensure again that weld gap's size is unanimous, solves the overall dimension and the full penetration problem of welding seam at variable cross section position.
The utility model adopts the technical proposal that: the utility model provides a variable cross section box steel column structure, includes two webs and two flange boards, two the mutual symmetry of web and establishing, two both sides about two webs are located to the flange board, two be equipped with the baffle perpendicularly between the web, the baffle all is equipped with the filler strip with the flange board connection edge left and right sides, the web passes through welded fastening with the flange board and is connected, the web is used for opening with flange board welded connection's border and has the groove, the border both ends that the web opened the groove have been reserved has end top tight location platform, the web is used for being equipped with the backing plate with flange board welded connection's groove medial surface.
Furthermore, the edge of the web plate, which is used for being welded and connected with the flange plate, is processed into a groove according to a 5mm gap and a 45-degree bevel edge.
Furthermore, the reserved width of the end abutting positioning table at the two ends of the edge of the web plate is 10mm.
The utility model has the advantages compared with the prior art:
1. according to the scheme, the groove form of the web plate is improved, and gap assembly is changed into local jacking assembly, so that the overall dimension can be ensured, the size of a welding gap can be ensured to be consistent, and good arc striking and welding can be provided for completing full penetration;
2. the scheme has the advantages that the reverse thinking is realized, the problems existing in the welding process in the prior art are solved, the reason is analyzed, the measures are taken from the source, the construction method is updated to ensure the subsequent welding quality, the construction process of the variable cross section part of the box-shaped steel column is qualitatively improved, the manufacturing quality qualification rate of the variable cross section part of the box-shaped steel column reaches more than 98%, the construction repair rate is reduced by more than 90% compared with the prior art, the energy consumption and the labor consumption are reduced, the production efficiency is remarkably improved, the method can be widely applied to the manufacturing of the variable cross section part of the box-shaped steel column, and the economic benefit and the social benefit are better.
Drawings
FIG. 1 is an assembly drawing of a variable cross-section box-type steel column manufactured by the utility model;
FIG. 2 is a schematic view of the blanking of the web in the variable cross-section box-type steel column of the present invention;
FIG. 3 is a box-shaped variable cross-section of the present invention a schematic cutting diagram of a steel column middle web plate groove;
fig. 4 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4 according to the present invention;
FIG. 5 is a schematic view of the installation of the partition board and the lining strip of the variable cross-section box-type steel column of the present invention;
fig. 6 is a schematic view illustrating the installation of a web of the variable cross-section box-type steel column according to the present invention;
fig. 7 is a schematic view illustrating cutting of an electroslag welded junction of the variable cross-section box-type steel column of the present invention;
fig. 8 is a schematic view illustrating the installation of the base plate of the variable cross-section box-type steel column according to the present invention;
fig. 9 is a schematic view of the installation of the variable cross-section box-type steel column of the present invention;
fig. 10 shows the utility model before being used and (5) assembling the variable-section box-type steel column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The use of the phrase "comprising one.. Without limitation, does not exclude the presence of other, identical elements in the process, method, article, or apparatus that comprises the same element.
Embodiments of the present invention referring to figures 1-9,
a variable cross-section box type steel column structure comprises two webs 2 and two flange plates 1, wherein the two webs 2 are arranged symmetrically, the two flange plates 1 are arranged on the upper side and the lower side of the two webs 2, a partition plate 3 is vertically arranged between the two webs 2, lining strips 4 are arranged on the left side and the right side of the connecting edge of the partition plate 3 and the flange plates 1, the web 2 is fixedly connected with the flange plate 1 through welding, a groove 2-1 is formed in the edge of the web 2, which is connected with the flange plate 1 in a welding mode, two ends of the edge of the web 2, which is provided with the groove 2-1, are reserved with end abutting positioning platforms 2-2, and a base plate 5 is arranged on the inner side face of the groove 2-1, which is used for being connected with the flange plate 1 in a welding mode, of the web 2.
Preferably, the edge of the web 2 for welding connection with the flange plate 1 is processed into a groove 2-1 according to a bevel edge of 45 degrees with a gap of 5 mm.
Preferably, the first and second liquid crystal materials are, the reserved width of the end abutting positioning table 2-2 at the two ends of the edge of the web plate 2 is 10mm.
A manufacturing method of a variable cross-section box-type steel column structure comprises the following steps:
1) Blanking: drawing a web graph by using a computer, and importing the web graph into a digital control cutting machine for blanking; blanking and cutting a flat steel plate according to net size to obtain a flange plate 1, a web plate 2, a partition plate 3, a lining strip 4 and a base plate 5, and removing iron oxide for later use to enable the shape of the web plate to be in a required shape, as shown in fig. 2;
2) Groove cutting: the guide wheels are arranged at the bottom of the cutting machine by matching the rails with the guide wheels, so that the cutting machine moves along the direction of the rails. The rail is fixed on the working platform, the cutting machine is arranged on the rail, the guide wheel is matched with the rail to smoothly run, and the equipment is a semi-automatic cutting machine trial-run cutting machine. Fixing the cutting edge of the web parallel to the track, adjusting the distance and the cutting angle, forming a groove 2-1 on two edges of the web 2 to be subjected to blanking after various parameters are adjusted to be qualified, and reserving a jacking positioning table 2-2 at two ends of the groove 2-1, as shown in figures 3 and 4;
3) Assembling the partition plate: as shown in figure 5, the separator consists of a separator 3 and a lining strip 4, and the separator 3 and the lining strip 4 are cleaned before use, so that the flatness and the regularity of a steel plate are ensured, and the flatness of the lining strip 4 and the straightness of the edge are ensured. Assembling the partition plate 3 and the lining strip 4 by using a mould, controlling the contact condition of the partition plate 3 and the lining strip 4 in the assembling process, and performing repair welding and sealing when local contact is poor and a gap is larger than or equal to 0.5 mm; the partition board 3 is ready for use after being assembled; placing a flange plate 1 on an assembly platform, marking a number line, marking the assembly position and direction of a partition plate 3, checking the size, installing the corresponding partition plate 3 to the corresponding position after confirming that no error exists, adjusting the corresponding angle, and performing fixed spot welding;
4) Assembling a web plate: as shown in fig. 6, the flange plate 1 with the partition plate 3 mounted thereon is placed on an assembly platform, a corresponding angle is adjusted, the section part of the variable cross section of the box-shaped steel column is perpendicular to the ground, the cleaned web plate 2 is checked and confirmed, after no error is confirmed, the web plate 2 on one side of the flange plate 1 is mounted with an outward groove, an end head abutting positioning table 2-2 is tightly contacted with the inner side of the flange plate 1, the outer side of the web plate 2 is flush with the side surface of the flange plate 1, spot welding is carried out for fixing, and the web plate 2 is corrected to be perpendicular to the flange plate 1; installing another web plate 2 according to the requirements, and tightly jacking and assembling the web plate by using a door-shaped frame and a wedge to align the outer side of the web plate 2 with two sides of the flange plate 1 which is low, wherein the end heads of two end heads of the web plate 2 tightly jack the positioning table 2-2 to be tightly contacted with the flange plate 1; simultaneously, the flange plate 1 and the partition plate 3 are tightly combined, and if a gap larger than 0.5mm exists, sealing welding is carried out;
5) Electroslag welding welding opening cutting: as shown in fig. 7, after the web 2 is assembled, an electroslag weld crater 2-3 is formed at the position of the web 2 for the electroslag weld crater, wherein the size of the electroslag weld crater 2-3 is not smaller than that of the electroslag weld crater; and after the opening, a welding bead is cleaned, so that welding slag, oxide skin and other impurities are prevented from affecting the welding quality.
6) Backing board assembling: as shown in fig. 8, after the oxidation slag is removed from the backing plate 5, the backing plate 5 is planed, ground and straightened, the backing plate 5 is installed on the inner side surface of the groove of the web 2, and the backing plate 5 is ensured to be respectively tightly attached to the web 2 and the flange plate 1 during assembly, so that the backing plate 5 can completely seal the 5mm gap below the groove, the phenomenon that the gap size is too large, the gap size can directly shadow the normal work of electric arc, liquid leakage is easily caused during the welding process, and the arc striking effect of the sealing box of the backing plate during the welding process can be effectively ensured only by ensuring the tight attachment, therefore, the tight attachment of the backing plate is very critical during the welding process;
7) Assembling the upper flange plate: as shown in fig. 9, after the assembly, the upper flange plate 1 is installed, and when the upper flange plate 1 is assembled, the upper flange plate 1 is tightly pressed by a portal frame matched wedge, so that the two side edges of the upper flange plate 1 are aligned with the outer side of the web 2, and the inner side of the upper flange plate 1 is tightly pressed by a pressing positioning table 2-2 of the web 2, so that the external dimension of the position of the box-type variable cross section is ensured to meet the requirement; pressurizing the upper flange plate 1 at the position of the partition plate 3 to enable the upper flange plate to be tightly attached to the partition plate 3 and the lining strip 4, and fixing by spot welding to prevent the phenomenon that electroslag welding cannot be welded due to overlarge gap between the lining plate and the flange;
8) Cutting a butt joint groove after welding: and carrying out welding construction on the assembled variable cross-section box type steel column, and after the welding construction is finished, opening butt joint grooves on butt joint parts at two ends of the variable cross-section part of the box type steel column for assembling and welding.
The utility model improves the groove form of the web plate, changes the gap assembly into the local jacking assembly, can ensure the overall dimension, can ensure the size consistency of the welding gap, and solves the problems of the overall dimension of the variable cross-section part and the full penetration of the welding seam; the construction process of the variable cross-section part of the box-type steel column is qualitatively improved, the qualified rate of the manufacturing quality of the variable cross-section part of the box-type steel column reaches more than 98%, the construction repair rate is reduced by more than 90% compared with the prior art, the energy consumption and the labor consumption are reduced, the production efficiency is remarkably improved, the method can be widely applied to manufacturing of the variable cross-section part of the box-type steel column, and the method has good economic benefit and social benefit.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a variable cross section box steel column structure, includes two webs (2) and two flange boards (1), two the mutual symmetry of web (2) and establish, two both sides about two webs (2) are located in flange board (1), two be equipped with baffle (3) between web (2) perpendicularly, baffle (3) and flange board (1) are connected the limit left and right sides and all are equipped with lining strip (4), its characterized in that: the utility model discloses a flange plate, including web (2), flange board (1), web (2) and web (2), the border that web (2) were used for with flange board (1) welded connection is opened the system and is had groove (2-1), the border both ends that groove (2-1) were opened in the system of web (2) are reserved to have end top tight location platform (2-2), web (2) are used for being equipped with backing plate (5) with flange board (1) welded connection's groove (2-1) medial surface.
2. The variable cross-section box-type steel column structure according to claim 1, wherein: the edge of the web plate (2) for welding connection with the flange plate (1) is processed into a groove (2-1) according to a 5mm gap and a 45-degree bevel edge.
3. The variable cross-section box-type steel column structure according to claim 1, wherein: the reserved width of the end abutting positioning table (2-2) at the two ends of the edge of the web plate (2) is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648498.4U CN218779781U (en) | 2021-07-20 | 2021-07-20 | Variable cross section Box type steel column structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648498.4U CN218779781U (en) | 2021-07-20 | 2021-07-20 | Variable cross section Box type steel column structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218779781U true CN218779781U (en) | 2023-03-31 |
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ID=85708906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121648498.4U Withdrawn - After Issue CN218779781U (en) | 2021-07-20 | 2021-07-20 | Variable cross section Box type steel column structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218779781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356474A (en) * | 2021-07-20 | 2021-09-07 | 九冶钢结构有限公司 | Variable-section box-type steel column structure and manufacturing method thereof |
-
2021
- 2021-07-20 CN CN202121648498.4U patent/CN218779781U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356474A (en) * | 2021-07-20 | 2021-09-07 | 九冶钢结构有限公司 | Variable-section box-type steel column structure and manufacturing method thereof |
| CN113356474B (en) * | 2021-07-20 | 2024-10-11 | 九冶钢结构有限公司 | Variable cross-section box-type steel column structure and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230331 Effective date of abandoning: 20241011 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20230331 Effective date of abandoning: 20241011 |