CN117182374A - Welding structure and welding process for square pipe column of steel structure - Google Patents
Welding structure and welding process for square pipe column of steel structure Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 295
- 239000010959 steel Substances 0.000 title claims abstract description 295
- 238000003466 welding Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 76
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The application relates to a welding structure and a welding process of a steel structure square tube column, wherein the welding process comprises the following steps: s1, processing a steel beam, and measuring the outer width of the end part of the steel beam along the vertical installation position; s2, grooving the steel column, forming a notch and a U-shaped residual material on the side wall of the steel column to be provided with the steel beam, wherein the notch is in splicing fit with the end part of the steel beam, the edge line of the closed end of the notch is parallel to the long side of the steel column, and one side edge of the closed end of the residual material is integrally connected with the steel column; s3, installing the steel beam, turning over the excess material along the connection part of the excess material and the steel column, and fitting and inserting the end part of the steel beam into the notch; s4, positioning welding, namely welding the part of the end part of the steel beam embedded into the notch with the steel column along the outline of the notch; s5, reinforcing welding, namely overturning the residual materials until the inner side walls of the three surfaces of the residual materials are respectively attached to the steel beam, and welding and fixing the residual materials on the outer peripheral wall of the steel beam. According to the application, the end part of the steel beam is embedded into the steel column notch for welding and fixing, and the rest material is welded for bearing, so that the bearing capacity of the steel beam is obviously improved.
Description
Technical Field
The application relates to the technical field of building steel structures, in particular to a welding structure and a welding process of a steel structure square tube column.
Background
The steel structure is a structure formed by steel materials, is one of main building structure types, mainly comprises steel beams, steel columns, steel trusses and other components made of steel sections, steel plates and the like, adopts rust removal and rust prevention technologies such as silanization, pure manganese phosphating, washing, drying, galvanization and the like, and can be used for some houses in construction, and most of houses are square columns.
The Chinese patent with publication number CN107447861A proposes an assembled steel structure square pipe column beam column node connecting device with diagonal bracing, which comprises an upper column, a lower column, a beam and the diagonal bracing, wherein the upper column and the lower column are formed by welding a square pipe column, a column top flange plate, a column bottom flange plate, a transverse reinforcing rib I, a transverse reinforcing rib II, a vertical reinforcing rib and an end plate I in a factory, and the beam is formed by welding an H-shaped steel beam, the end plate II and the reinforcing rib in the factory; the column form is not limited to square columns, but other box columns or round columns can be selected. The welding work of the application is completed in a factory, and the setting of the diagonal bracing can greatly improve the rigidity and bearing capacity of the node and reduce the dosage of bolts.
The related art in the above has the following drawbacks: the problem of steel column and girder connection is usually encountered in the building steel structure, and although the connection load between girder and steel column is transferred through adding the bracing, the bearing performance of girder is still limited by bracing intensity and girder end and steel column welded part's connection stability, is difficult to improve the bearing capacity of crossbeam by a great margin.
Disclosure of Invention
In order to solve the problems that the current beam column connecting node is easy to be unstable and the beam bearing property is limited, the application provides a steel structure square pipe column welding structure and a welding process.
The first aspect of the application provides a steel structure square pipe column welding process, which adopts the following technical scheme:
a welding process of a steel structure square tube column comprises the following steps:
s1, processing a steel beam, measuring the outer width of the end part of the steel beam along the vertical installation position, and cutting the end part of the steel beam to obtain an installation angle;
s2, grooving the steel column, forming a notch and a U-shaped residual material on the side wall of the steel beam to be installed on the steel column, wherein the notch is in splicing fit with the end part of the steel beam, the edge line of the closed end of the notch is parallel to the long side of the steel column, and one side edge of the closed end of the residual material is integrally connected with the steel column;
s3, installing a steel beam, folding the excess material along the connection part of the excess material and the steel column, and fitting and inserting the end part of the steel beam into the notch;
s4, positioning welding, namely welding the part of the end part of the steel beam embedded into the notch with the steel column along the outline of the notch;
s5, reinforcing welding, namely overturning the residual materials to the inner side walls of the three surfaces of the residual materials to be adhered to the steel beam, and fixing the residual materials on the outer peripheral wall of the steel beam in a welding mode.
Further, in step S2, the connection portion between the remainder and the steel beam is located at the edge of the notch in the length direction of the steel column.
Furthermore, in step S2, two of the remainders are provided, and the connection parts of the two remainders and the steel column are respectively located at two edges of the notch arranged along the length direction of the steel column.
Further, the depth of the notch on the side wall of the steel column in step S2 satisfies:
；
wherein W is the outer width of the steel beam along the vertical installation position, alpha is the included angle of the installation angle of the steel beam or the complement angle thereof, L is the depth of the notch, and D is the wall thickness of the steel column;
and after the step S5 is completed, welding the adjacent open ends of the two residual materials.
Further, when the notch is formed by grooving in the step S2, the method includes:
s21, penetrating and cutting a through groove in the middle direction of the steel column at the position of the middle line of the side wall of the steel column, where the steel beam is to be installed, wherein the groove length of the through groove meets the depth requirement of the notch, and the through groove is parallel to the final extending direction of the steel beam;
s22, respectively cutting an upper end groove and a lower end groove which are collinear and have the same groove length as the through groove at the end part of the through groove upwards and downwards, wherein the upper end groove is parallel to the extending direction of the steel column;
s23, continuously cutting an upper side groove and a lower side groove which are parallel to the through groove respectively at the end parts, far away from the upper end groove and the lower end groove, of the steel column, wherein one end, far away from the upper end groove, of the upper side groove and the lower side groove extends to the inner side wall of one side of the steel beam, where the steel column is to be installed.
Furthermore, in step S2, the notch is formed by grooving, and a chamfer groove is formed at the edge of the notch.
Furthermore, in step S4, burr polishing is performed on the notch contour and the remainder edge on the steel beam before welding.
And further, polishing the joint part of the excess material and the notch to form a round angle before turning over the excess material in the step S3.
The second aspect of the application provides a steel structure square pipe column welding structure, which adopts the following technical scheme:
the steel structure square pipe column welding structure is formed by processing the steel structure square pipe column welding process, and comprises the steel column and the steel beam which are made of square pipes, wherein the side wall of the steel column is provided with the opening in a penetrating manner in the width direction, the steel column is integrally connected with the surplus material which is embedded and matched with the opening, the surplus material is U-shaped, and one side edge of the closed end of the surplus material is connected with the edge of the opening along the length direction of the steel column;
the edge of the opening end of the opening is parallel to the length direction of the steel column, the end part of the steel beam is embedded in the opening, and the end part of the steel beam is attached to the opening end of the opening;
the surplus material inside wall laminating is in girder steel periphery wall just the surplus material with girder steel welded fastening.
Still further, be equipped with two on the steel column the clout, two the clout is sealed jointly the opening, two the clout is relative setting and parcel jointly the girder steel periphery, two the wing limit of clout is equilong and the homonymy welding of the two open ends is fixed.
In summary, the beneficial technical effects of the application are as follows:
1. after cutting a notch on the steel column and embedding the end part of the steel beam into the notch for welding and fixing, the steel column can provide good and stable bearing support for the end part of the steel beam, and the bearing performance of the steel beam can be obviously improved; the excess materials which are not fallen off after cutting the notch are folded and wrapped on the periphery side of the steel beam, and then are welded and fixed, so that the end part of the steel beam can be prevented from falling off or shifting from the notch, a long-term stable stability increasing effect can be provided for the steel beam, and the bearing capacity of the steel beam can be further improved;
2. the two remainders with the same size are arranged, so that after the wing plate parts of the two remainders are turned over, the two remainders are welded to form the closed sleeve which surrounds the periphery of the steel beam, the traction, support and lateral deviation prevention effects of the remainders on the steel beam are synergistic and enhanced, and the stability of the steel beam can be greatly improved;
3. the groove length of the through groove, the groove length of the upper end groove, the groove length of the lower end groove, the actual groove lengths of the upper edge groove and the lower edge groove are equal to the depth of the opening, namely, the wing plate parts of the two residual materials are all set to be diamond shapes with equal four sides, so that the wing plate parts of the two residual materials on the same side after being overturned can be welded and fixed to form a closed package for the cross beam no matter the steel beam is installed on a steel column at any angle, good stability and bearing reinforcing effect on the cross beam can be achieved, and the steel beam has good application prospect.
Drawings
FIG. 1 is a schematic view of a steel column after grooving in a welding method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of the structure of a welded steel column/beam in the welding method according to the embodiment of the present application;
FIG. 3 is a diagram showing the turnover and calculation of the excess material when the steel beam is installed obliquely in the welding method according to the embodiment of the application;
fig. 4 is a schematic view of the overall structure of a welded structure according to an embodiment of the present application.
Reference numerals illustrate: 1. a steel beam; 11. a mounting angle; 2. a steel column; 21. a notch; 22. a through groove; 23. an upper end groove; 24. a lower end groove; 25. an upper groove; 26. a lower groove; 27. chamfering groove; 3. and (5) remaining materials.
Description of the embodiments
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application discloses a welding process for a steel structure square tube column. Referring to fig. 1 and 2, a welding process of a steel structure square tube column comprises the following steps:
s1, processing a steel beam, measuring the outer width of the end part of the steel beam 1 along the vertical installation position, cutting an installation angle 11 from the end part of the steel beam 1, wherein the installation angle 11 can be in a right angle shape according to actual welding requirements, and the steel beam 1 is vertical to a steel column 2; the mounting angle 11 may be acute, in which case the steel beam 1 may be mounted on the steel column 2 with an upward or downward inclination.
S2, grooving the steel column, namely, cutting grooves penetrating through the whole width of the steel column 2 are formed in the side wall of the steel column 2 to be installed with the steel beam 1 to form a notch 21 and a U-shaped residual material 3, wherein the notch 21 is in plug-in fit with the end part of the steel beam 1, the edge line of the closed end of the notch 21 is parallel to the long side of the steel column 2, and one side of the closed end of the residual material 3 is integrally connected with the steel column 2; the angle grinder, the wire cutting machine or the laser cutting machine can be used in specific cutting, and a wire cutting mode with high economical efficiency and high precision is selected in the embodiment.
S3, installing the steel beam, turning over the excess material 3 along the connection part of the excess material 3 and the steel column 2, and fitting and inserting the end part of the steel beam 1 into the opening 21, specifically, fitting the inclined plane or the straight plane of the installation angle 11 of the end part of the steel beam 1 with the closed end of the opening 21.
S4, positioning welding, namely welding the part of the end part of the steel beam 1 embedded into the notch 21 with the steel column 2 along the outline of the notch 21, wherein the welding mode mainly adopts one of gas welding, arc welding or laser welding.
S5, reinforcing welding, namely overturning the residual material 3 to the inner side walls of the three surfaces of the reinforcing welding, adhering the residual material 3 to the steel beam 1, and welding and fixing the residual material 3 on the outer peripheral wall of the steel beam 1 in one of the modes.
After the arrangement, after the fixed-position welding is finished, the steel beam 1 is firmly fixed in the notch 21 of the steel column 2, and the load at the end part of the steel beam 1 is mainly concentrated at the notch 21 of the steel column 2, and the part of the steel column 2 below the notch 21 can provide a stable supporting effect for the end part of the steel beam 1, so that the whole bearing performance of the steel beam 1 can be greatly improved; and the part of the load of the steel column 2 above the notch 21 is applied to the end part of the steel beam 1, and the steel beam 1 can stably transfer the load on the upper part of the steel column 2 to the upper part of the steel column 2, so that even if the notch 21 is formed in the steel column 2, the bearing performance of the steel column 2 is not obviously affected, that is, after the welding process of the application is used for welding the steel structure square column, the whole bearing performance of the steel structure square column can be greatly improved, and especially the bearing capacity of a cross beam is greatly improved.
The surplus materials 3 generated by cutting the notch 21 can be folded and wrapped on the periphery side of the steel beam 1, and are welded and fixed, at the moment, the web plate part and the two wing plate parts on the surplus materials 3 are respectively fixed with three side walls adjacent to the steel beam 1, so that on one hand, the stability of the steel beam 1 on the steel column 2 can be improved, and the end part of the steel beam 1 is prevented from falling off or shifting from the notch 21; on the other hand, the web part of the excess material 3 is still integrally connected with the steel column 2, after being bent, the steel beam 1 can be provided with good bearing or traction, and the probability that the excess material 3 falls off from the steel column 2 is extremely low, so that the excess material 3 can also provide a long-term stable stability increasing effect for the steel beam 1, and the bearing capacity of the steel beam 1 is further improved; furthermore, the surplus material 3 is reserved for cutting on the steel column 2, so that the waste materials are fully utilized, and the installation cost of the steel structure square column is reduced as much as possible.
However, it should be clearly noted here that the square pipe steel column 2 having an excessively large wall thickness is difficult to fold because the excess material 3 is folded after being cut, and the processing time and processing cost are drastically increased, so that the welding process of the present application is applicable to square pipes having a wall thickness of 10mm or less.
Furthermore, the effect of improving the bearing performance of the cross beam by fully utilizing the U-shaped residual material 3 is achieved.
Referring to fig. 1 and 2, in step S2, the connection portion between the remainder 3 and the steel beam 1 is located at the edge of the gap 21 in the length direction of the steel column 2, specifically, in step S2, two remainder 3 are provided, and the connection portion between the two remainder 3 and the steel column 2 is located at two edges of the gap 21 arranged along the length direction of the steel column 2, that is, the two remainder 3 are disposed opposite to each other along the length direction of the steel column 2.
After being welded and fixed on three adjacent side walls at the upper part of the steel beam 1, the upper residual material 3 can have a traction effect on the steel beam 1, and can improve the bearing capacity and lateral shearing resistance of the steel beam 1 to a certain extent; the clout 3 that is located the below is by welded fastening on the three adjacent lateral walls of girder steel 1 lower part, then can play the effect of lifting girder steel 1 to clout 3 of top and below can both further promote girder steel 1 and steel column 2's firm in connection degree, and then improves steel column 2 and girder steel 1's overall structure stability, thereby also can ensure the permanent stable load of crossbeam.
More specifically, in another possible embodiment, referring to fig. 3, it is further configured to: in the step S2, the depth of the notch 21 on the side wall of the steel column 2 meets the following conditions:
；
wherein W is the outer width of the steel beam 1 along the vertical installation position, alpha is the included angle of the installation angle 11 of the steel beam 1 or the complement angle thereof, L is the depth of the notch 21, and D is the wall thickness of the steel column 2; and after the step S5 is completed, the adjacent open ends of the two residual materials 3 are welded. It should be clear that the depth of the notch 21 should not exceed two thirds of the width of the steel column 2, so as to prevent the steel column 2 from being unstable due to excessive structural damage.
Referring to fig. 1, in step S2, when the notch 21 is formed by cutting, the method includes:
s21, penetrating and cutting a through groove 22 in the middle direction of the steel column 2 at the position of a median line of the side wall of the steel column 2 where the steel beam 1 is to be installed, wherein the groove length of the through groove 22 meets the depth requirement of the notch 21, and the through groove 22 is parallel to the final extending direction of the steel beam 1;
s22, respectively cutting an upper end groove 23 and a lower end groove 24 which are collinear and have the same groove length as the through groove 22 in an upward and downward direction at the end part of the through groove 22, wherein the upper end groove 23 is parallel to the extending direction of the steel column 2;
s23, continuously cutting an upper side groove 25 and a lower side groove 26 which are parallel to the through groove 22 at the end, away from the upper end groove 23, of the upper end groove 24, and extending one end, away from the upper end groove 23, of the upper side groove 25 and the lower side groove 26 to the inner side wall of the steel column 2, on the side where the steel beam 1 is to be installed.
After the arrangement, the groove lengths of the through groove 22, the upper end groove 23, the lower end groove 24 and the upper edge groove 25 and the lower edge groove 26 are equal to the depth of the opening 21, that is, the wing plate parts of the two remainders 3 are diamond shapes with four equal sides, the side length of the diamond shapes is equal to the depth of the opening 21, and the minimum depth of the opening 21 is related to the vertical outer width of the steel beam 1. When the contained angle of the installation angle 11 of the steel beam 1 is right angle, the depth of the notch 21 is half of the vertical external width of the steel beam 1, namely, after the two clout 3 are overturned to be attached to the steel beam 1, the open ends of the two clout 3 are just aligned and attached, and at the moment, the wing plate parts of the two clout 3 are welded, so that the two clout 3 form a closed sleeve encircling the periphery of the steel beam 1. At this time, two clout 3 of closed form integrate upper portion clout 3 and lower part clout 3 to girder steel 1's reinforcement effect, compare in original independent tractive, support and prevent the side offset effect, two closed clout 3 are better huge to girder steel 1's promotion of stability to make clout 3 play to girder steel 1's tractive, support and prevent side offset effect play in coordination, reinforcing effect each other, thereby such setting can greatly promote the bearing capacity of crossbeam again.
Similarly, when the included angle of the installation angle 11 of the steel beam 1 is an acute angle or an obtuse angle, the steel beam 1 is obliquely installed on the steel column 2, and at the moment, even if the two clout 3 are turned to be oppositely arranged, the open ends of the two clout 3 can be just aligned and clung, as shown in fig. 3, the dotted line part is the initial position of the clout 3 after being cut, and the solid line part is the position of the clout 3 after being turned. That is, no matter the steel beam 1 is arranged on the steel column 2 at any angle, the wing plate parts on the same side of the two residual materials 3 after being overturned can be welded and fixed to form a closed package for the cross beam, so that the cross beam can have good stability and bearing reinforcing effect, and has good application prospect.
The setting of the depth maximum value of the notch 21 considers that when the excess material 3 is wrapped outside the beam, the length of the wing plate part of the excess material 3 on the vertical surface of the beam is inevitably shortened when the beam is wrapped by the wing plate part of the excess material 3 due to the wall thickness (corresponding to the wall thickness of the steel column 2), and particularly, the steel beam 1 made of square tubes is also provided with a round angle, so that the steel beam 1 can be effectively surrounded after the two excess materials 3 are overturned, when the wall thickness of the steel column 2 is large, the actual length of the wing plate of the excess material 3 needs to be compensated, and correspondingly, the depth of the notch 21 is compensated; in a specific operation, the greater the wall thickness of the steel column 2 is, the deeper the notch 21 is, the more the maximum value of the above range is approached; conversely, the smaller the wall thickness of the steel column 2, the closer the depth of the notch 21 is to the minimum value in the above range.
Meanwhile, in order to ensure the welding quality during the positioning welding and the reinforcement welding, on one hand, in the step S2, the notch 21 is formed by grooving, and the edge of the notch 21 is further formed into a chamfer groove 27, referring to fig. 2, the groove may be formed by cutting obliquely during grooving, or may be formed by polishing or milling after finishing grooving; on the other hand, in step S4, the profile of the notch 21 on the steel beam 1 and the edge of the remainder 3 are subjected to deburring before welding.
In addition, in order to reduce the risk of tearing the residual material 3 on the steel column 2, the joint part of the residual material 3 and the notch 21 is polished to form a round angle before the residual material 3 is folded in the step S3, so that the occurrence of excessive stress concentration at the corner part where the residual material 3 is connected with the steel column 2 can be reduced, and the connection stability of the residual material 3 on the steel column 2 is ensured as much as possible.
The implementation principle of the welding structure and the welding process of the steel structure square pipe column provided by the embodiment of the application is as follows:
after the notch 21 is cut on the steel column 2 and the end part of the steel beam 1 is embedded into the notch 21 for welding and fixing, the steel column 2 can provide good and stable bearing support for the end part of the steel beam 1, and the bearing performance of the steel beam 1 can be obviously improved; the surplus materials 3 generated by cutting the notch 21 can be folded and wrapped on the periphery side of the steel beam 1, and then are welded and fixed, at the moment, the web plate part and the two wing plate parts on the surplus materials 3 are respectively fixed with three side walls adjacent to the steel beam 1, on one hand, the stability of the steel beam 1 on the steel column 2 can be improved, and the end part of the steel beam 1 is prevented from falling off from the notch 21 or shifting; on the other hand, the web part of the excess material 3 is still integrally connected with the steel column 2, after being bent, the steel beam 1 can be provided with good bearing or traction, and the probability that the excess material 3 falls off from the steel column 2 is extremely low, so that the excess material 3 can also provide a long-term stable stability increasing effect for the steel beam 1, and the bearing capacity of the steel beam 1 is further improved; furthermore, the surplus material 3 is reserved for cutting on the steel column 2, so that the waste materials are fully utilized, and the installation cost of the steel structure square column is reduced as much as possible.
The embodiment of the application also discloses a steel structure square pipe column welding structure. Referring to fig. 4, a welding structure for a steel structure square tube column comprises a steel column 2 and a steel beam 1 which are made of square tubes, wherein a notch 21 is formed in the side wall of the steel column 2 in a penetrating manner in the width direction, the steel column 2 is integrally connected with a remainder 3 which is embedded into the notch 21 and matched with the remainder 3, and one side edge of the closed end of the remainder 3 is U-shaped and is connected with the edge of the notch 21 along the length direction of the steel column 2.
The edge of the opening end of the opening 21 is parallel to the length direction of the steel column 2, the end part of the steel beam 1 is embedded in the opening 21, and the end part of the steel beam 1 is attached to the opening end of the opening 21; simultaneously, the laminating of clout 3 inside wall is at girder steel 1 periphery wall and clout 3 and girder steel 1 welded fastening.
Specifically, be equipped with two clout 3 on the steel column 2, two clout 3 seal opening 21 jointly, and two clout 3 are relative setting and wrap up in girder steel 1 periphery jointly, and the equal and homonymy welding of the open end of two clout 3 limit.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," "third," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. The terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. The welding process of the steel structure square pipe column is characterized by comprising the following steps of:
s1, processing a steel beam (1), measuring the outer width of the end part of the steel beam (1) along the vertical installation position, and cutting an installation angle (11) from the end part of the steel beam (1);
s2, slotting a steel column (2), wherein a slotting groove is formed in the side wall of the steel column (2) to be installed with the steel beam (1) so as to form a notch (21) and a U-shaped residual material (3), the notch (21) is in plug-in fit with the end part of the steel beam (1), the edge line of the closed end of the notch (21) is parallel to the long side of the steel column (2), and one side edge of the closed end of the residual material (3) is integrally connected with the steel column (2);
s3, installing the steel beam (1), folding the excess material (3) along the connection part of the excess material (3) and the steel column (2), and fitting and inserting the end part of the steel beam (1) into the notch (21);
s4, positioning welding, namely welding the part of the end part of the steel beam (1) embedded into the notch (21) with the steel column (2) along the outline of the notch (21);
s5, reinforcing welding, namely overturning the excess material (3) until the inner side walls of the three sides of the excess material are respectively adhered to the steel beam (1), and welding and fixing the excess material (3) on the outer peripheral wall of the steel beam (1).
2. The welding process for the steel-structure square-tube column according to claim 1, wherein in the step S2, the connection part of the excess material (3) and the steel beam (1) is positioned at the edge of the notch (21) in the length direction of the steel column (2).
3. The welding process for the steel-structure square tube column according to claim 2, wherein two pieces of the residual materials (3) are arranged in the step S2, and the connecting parts of the two pieces of the residual materials (3) and the steel column (2) are respectively positioned at two edges of the notch (21) which are distributed along the length direction of the steel column (2).
4. A steel structure square pipe column welding process according to claim 3, wherein the depth of the notch (21) in the side wall of the steel column (2) in step S2 is as follows:
；
wherein W is the outer width of the steel beam (1) along the vertical installation position, alpha is the included angle of the installation angle (11) of the steel beam (1) or the complement angle thereof, L is the depth of the notch (21), and D is the wall thickness of the steel column (2);
and after the step S5 is completed, welding the adjacent open ends of the two residual materials (3).
5. The welding process for steel square pipe columns according to claim 4, wherein the step S2 of grooving to form the notch (21) includes:
s21, cutting a through groove (22) in a penetrating mode from a middle line of a position, where the steel beam (1) is to be installed, of the side wall of the steel column (2) to the middle direction of the steel column (2), wherein the groove length of the through groove (22) meets the depth requirement of the notch (21), and the through groove (22) is parallel to the final extending direction of the steel beam (1);
s22, respectively cutting an upper end groove (23) and a lower end groove (24) which are collinear and have the same groove length as the through groove (22) at the end part of the through groove (22) upwards and downwards, wherein the upper end groove (23) is parallel to the extending direction of the steel column (2);
s23, continuously cutting an upper side groove (25) and a lower side groove (26) which are parallel to the through groove (22) respectively at the end parts, far away from the upper end groove (23) and the lower end groove (24), of the upper side groove (25) and the lower side groove (26), wherein one end, far away from the upper end groove (23), of the steel column (2) extends to the inner side wall of one side of the steel beam (1) to be installed.
6. The welding process for steel structure square pipe columns according to claim 1, wherein in the step S2, the notch (21) is formed by grooving, and a chamfer groove (27) is formed at the edge of the notch (21).
7. The welding process for the steel-structure square tube column according to claim 1, wherein in the step S4, burrs are polished on the outline of the notch (21) and the edge of the remainder (3) on the steel beam (1) before welding.
8. The welding process for the steel structure square tube column according to claim 1, wherein in the step S3, before the remainder (3) is folded, a fillet is polished at a joint part of the remainder (3) and the notch (21).
9. A steel structure square pipe column welding structure which is processed by the steel structure square pipe column welding process according to any one of claims 1-8, and is characterized by comprising a steel column (2) and a steel beam (1) which are made of square pipes, wherein a notch (21) is formed in the side wall of the steel column (2) in a penetrating manner in the width direction of the steel column, the steel column (2) is integrally connected with a remainder (3) which is embedded and matched with the notch (21), and the remainder (3) is U-shaped, and one side edge of a closed end of the remainder is connected with the edge of the notch (21) along the length direction of the steel column (2);
the edge of the closed end of the opening (21) is parallel to the length direction of the steel column (2), the end part of the steel beam (1) is embedded in the opening (21), and the end part of the steel beam (1) is attached to the closed end of the opening (21);
the inner side wall of the excess material (3) is attached to the outer peripheral wall of the steel beam (1), and the excess material (3) is welded and fixed with the steel beam (1).
10. The welding structure and welding process of the steel structure square pipe column according to claim 9, wherein two remainders (3) are arranged on the steel column (2), the two remainders (3) jointly seal the notch (21), the two remainders (3) are oppositely arranged and jointly wrap the periphery of the steel beam (1), and wing edges of the two remainders (3) are equal in length and are welded and fixed on the same side of the open end of the two remainders.
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| CN117182374B (en) | 2024-02-13 |
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