CN112523486A - Telescopic welding platform suitable for high-altitude welding of steel column and construction method - Google Patents
Telescopic welding platform suitable for high-altitude welding of steel column and construction method Download PDFInfo
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- CN112523486A CN112523486A CN202011517721.1A CN202011517721A CN112523486A CN 112523486 A CN112523486 A CN 112523486A CN 202011517721 A CN202011517721 A CN 202011517721A CN 112523486 A CN112523486 A CN 112523486A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
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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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G3/00—Scaffolds essentially supported by building constructions, e.g. adjustable in height
- E04G3/24—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons
- E04G3/243—Scaffolds essentially supported by building constructions, e.g. adjustable in height specially adapted for particular parts of buildings or for buildings of particular shape, e.g. chimney stacks or pylons following the outside contour of a building
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
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Abstract
The invention provides a telescopic welding platform suitable for high-altitude welding of a steel column, which comprises a first platform and a second platform, wherein the first platform is connected with the second platform in an inserting manner, and the first platform and the second platform can move relatively to adjust the relative position; the first platform is provided with a first platform plate, the second platform is provided with a second platform plate, the first platform plate is provided with a first groove, the second platform plate is provided with a second groove, the first groove and the second groove are oppositely arranged to form a through hole structure, so that one end of a steel column can conveniently penetrate through the through hole structure, and the welding platform is arranged on the steel column and is welded with another steel column. The invention has the advantages that an operation platform can be provided for butt welding of the large-section steel column, the welding quality is ensured, the welding efficiency is improved, and potential safety hazards are eliminated; the welding platform can be used for butt welding of large-section steel columns in field construction, and the quality of welding seams, operation safety and rapidity of the welding platform are guaranteed.
Description
Technical Field
The invention belongs to the technical field of building construction, and particularly relates to a telescopic welding platform suitable for high-altitude welding of a steel column and a construction method.
Background
Steel structure buildings have been developed rapidly in China in recent years, and because of the advantages of less total steel consumption, factory-like member manufacture, good shock resistance, high installation speed, low cost and the like compared with concrete structures, the steel structure buildings are widely used in industrial and civil buildings. Along with the continuous maturity of steel construction building technology, building height is higher and higher, and the steel column is transported and hoist and mount restriction, needs the segmentation of mill, and on-the-spot butt joint. However, no corresponding welding platform can be used during the high-altitude welding of the existing steel column, the high-altitude welding operation risk of operators is high, the welding quality is low, and if the steel column is butted on the ground and then hoisted after welding, the production efficiency is low.
Disclosure of Invention
In view of the above problems, the present invention provides a telescopic welding platform suitable for overhead welding of steel columns and a construction method thereof, so as to solve the above or other problems in the prior art.
In order to solve the technical problems, the invention adopts the technical scheme that: a telescopic welding platform suitable for high-altitude welding of steel columns comprises a first platform and a second platform, wherein the first platform is connected with the second platform in an inserting mode and can move relative to the second platform to adjust the relative position;
the first platform is provided with a first platform plate, the second platform is provided with a second platform plate, the first platform plate is provided with a first groove, the second platform plate is provided with a second groove, the first groove and the second groove are oppositely arranged to form a through hole structure, so that one end of a steel column can conveniently penetrate through the through hole structure, and the welding platform is arranged on the steel column and is welded with another steel column.
Furthermore, the first platform also comprises a first guardrail, a second guardrail and a third guardrail, wherein the first guardrail, the second guardrail and the third guardrail are arranged along the peripheral side of the first platform plate and are sequentially connected;
the second guardrail is arranged at one end, far away from the end with the first groove, of the first platform, and the first guardrail and the third guardrail are arranged on two sides of the second guardrail.
Furthermore, the second platform also comprises a fourth guardrail, a fifth guardrail and a sixth guardrail, wherein the fourth guardrail, the fifth guardrail and the sixth guardrail are arranged along the peripheral side of the second platform plate and are sequentially connected;
the fifth guardrail is arranged at one end, far away from the end provided with the second groove, of the second platform, and the fourth guardrail and the sixth guardrail are arranged on two sides of the fourth guardrail.
Furthermore, the second guardrail and the fifth guardrail are arranged oppositely, the sixth guardrail and the first guardrail are arranged in an overlapping manner, and the sixth guardrail and the first guardrail can move relatively close to or away from each other, so that the length of the overlapping part between the sixth guardrail and the first guardrail is reduced or increased;
the fourth guardrail and the third guardrail are arranged in an overlapping mode, and the fourth guardrail and the third guardrail can be relatively close to or far away from the moving mode, so that the length of an overlapping portion between the fourth guardrail and the third guardrail is reduced or enlarged.
Furthermore, the first platform is provided with a first telescopic seam plate, a first telescopic beam and a first platform beam, a plurality of first platform beams are sequentially arranged at one end of the first platform plate, which is provided with a first groove, along the direction from the first guardrail to the third guardrail, and the plurality of first platform beams are all arranged in parallel with the first guardrail;
the first telescopic seam plate is arranged on one side of the first groove, two sides of the first telescopic seam plate are respectively connected with two adjacent first platform beams, and the first telescopic seam plate protrudes out of the end part of the first platform plate;
one end of the first telescopic beam is arranged in the first platform beam on two sides of the first telescopic seam plate and connected with the first platform beam, the other end of the first telescopic beam is positioned outside the first platform beam, and the first telescopic beam and the first platform beam are arranged in parallel.
Furthermore, a second telescopic seam plate, a second telescopic beam and a second platform beam are arranged on the second platform, a plurality of second platform beams are sequentially arranged at one end of the second platform plate, which is provided with a second groove, along the direction from the fourth guardrail to the sixth guardrail, and the plurality of second platform beams are all arranged in parallel with the fourth guardrail;
the second telescopic seam plate is arranged on one side of the second groove, two sides of the second telescopic seam plate are respectively connected with two adjacent second platform beams, and the second telescopic seam plate protrudes out of the end part of the second platform plate;
one end of the second telescopic beam is arranged in the second platform beam on two sides of the second telescopic seam plate and connected with the second platform beam, the other end of the second telescopic beam is positioned outside the second platform beam, and the second telescopic beam and the second platform beam are arranged in parallel.
Furthermore, the positions of a second telescopic seam plate and two adjacent first platform beams on one side of the first groove, which are not provided with the first telescopic seam plates, correspond to each other, the second telescopic seam plate is inserted between the two adjacent first platform beams, the opposite surfaces of the two adjacent first platform beams are respectively provided with a limiting piece, a first gap is formed between the limiting piece and the first platform plate, and the second telescopic seam plate is inserted into the first gap;
the first telescopic seam plate corresponds to two adjacent second platform beams on one side of the second groove, the second telescopic seam plate is not arranged on the adjacent second platform beams, the first telescopic seam plate is inserted between the two adjacent second platform beams, the opposite surfaces of the two adjacent second platform beams are respectively provided with a limiting part, a second gap is formed between the limiting part and the second platform plates, and the first telescopic seam plate is inserted into the second gap.
Furthermore, at least two first through holes are formed in the first telescopic beam and positioned outside the first platform beam, and at least two second through holes are formed in the second telescopic beam and positioned outside the second platform beam;
the second telescopic beams on two sides of the second telescopic seam plate are respectively inserted into two adjacent first platform beams and are fixed through fixing pieces; a plurality of first limiting holes are formed in two adjacent first platform beams, and positioning pieces are sequentially inserted into the first through holes and the first limiting holes in the second telescopic beam to fix the second telescopic beam and the first platform beam;
the first telescopic beams on two sides of the first telescopic seam plate are respectively inserted into two adjacent second platform beams and are fixed through fixing pieces; and a plurality of second limiting holes are formed in two adjacent second platform beams, and the positioning piece is sequentially inserted into the second through hole and the second limiting hole in the first telescopic beam to fix the first telescopic beam and the second platform beam.
Further, fixed supports are arranged on one side faces, far away from the guardrail, of the first platform plate and the second platform plate and are used for being connected with the steel column; the fixed support comprises a platform connecting plate, an upper column support plate and a support rib plate, the platform connecting plate is connected with the first platform plate and the second platform plate respectively, the platform connecting plate is detachably connected with the upper column support plate, the support rib plate is fixedly connected with the upper column support plate, and the support rib plate is perpendicular to the upper column support plate.
A construction method of a telescopic welding platform suitable for high-altitude welding of steel columns comprises the following steps:
for a steel column needing on-site butt joint, welding an upper support plate of the column and a support rib plate on a column body of the steel column;
after the lower column is installed, hoisting the welding platform by using a hoisting machine, sleeving the welding platform into the steel column from the through hole structure, moving the welding platform downwards, enabling the platform connecting plate to be in contact with the upper column support plate on the steel column, and connecting the platform connecting plate with the upper column support plate through the support connecting piece for fixing;
the welding platform is installed;
hoisting welding equipment into a welding platform, hoisting an upper column, adjusting the elevation and the verticality, and temporarily fixing the upper column through a column body positioning lug plate;
and carrying out penetration welding on the splicing positions of the upper column and the lower column, after the welding is finished and the flaw detection is qualified, moving out the welding equipment, loosening the support connecting piece, hoisting the welding platform through a hoisting machine, and dismantling the welding platform.
By adopting the technical scheme, the welding device is simple in structure and convenient to use, and is provided with the first platform and the second platform which can move relatively, so that the size of a through hole structure formed by the first platform and the second platform can be adjusted, and the welding platform can meet the use requirements of high-altitude welding of steel columns with different sizes; an operation platform can be provided for butt welding of the large-section steel column, welding quality is guaranteed, welding efficiency is improved, and potential safety hazards are eliminated; the welding platform can be used for butt welding of large-section steel columns in field construction, and the quality of welding seams, operation safety and rapidness of the welding platform are guaranteed; the butt welding device can be widely applied to butt welding of steel columns of various specifications in various occasions, and can be repeatedly used, thereby saving construction measure consumables and reducing cost; the device convenient operation is swift, and simple structure safety adopts this welded platform to carry out large cross-section steel column butt welding, improves production efficiency, reduces installation operating personnel's operation risk to can the effective control installation accuracy.
Drawings
FIG. 1 is a schematic structural diagram of a welding platform according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an extended state of a bonding stage according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a second stage according to an embodiment of the present invention;
FIG. 4 is a schematic top view of a bonding platform according to an embodiment of the invention;
FIG. 5 is a schematic top view of a first platen according to an embodiment of the present invention;
FIG. 6 is a schematic sectional view A-A of FIG. 5;
FIG. 7 is an enlarged view of the portion A of FIG. 6;
FIG. 8 is an enlarged view of the portion B of FIG. 6;
FIG. 9 is a schematic structural view of a fixing support according to an embodiment of the present invention;
FIG. 10 is a schematic view of a weld platform according to an embodiment of the present invention mounted on a steel column.
In the figure:
1. first platform 2, second platform 3, lug
4. Fixed support 5, skirting board 6, locating part
7. Reinforcing rib 8, steel column 100 and first guardrail
101. Second guardrail 102, third guardrail 103, first platform beam
104. First platform plate 105, first telescopic beam 106 and first telescopic seam plate
107. First spacing hole 108, first through-hole 200, fourth guardrail
201. A fifth guardrail 202, a sixth guardrail 203 and a second telescopic seam plate
204. Second through hole 205, second telescopic beam 206, second platform beam
207. Second limiting hole 208, second platform plate 400 and platform connecting plate
401. Post upper mount plate 402, support rib plate
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Fig. 1 shows a schematic structural diagram of an embodiment of the invention, which relates to a telescopic welding platform suitable for high-altitude welding of a steel column and a construction method, and is used for the high-altitude welding of the steel column, providing an operation platform for butt welding of the large-section steel column, ensuring the welding quality, improving the welding efficiency and eliminating potential safety hazards.
A telescopic welding platform suitable for high-altitude welding of steel columns is shown in figures 1-3 and comprises a first platform 1 and a second platform 2, wherein the first platform 1 is connected with the second platform 2 in an inserted manner, and the first platform 1 and the second platform 2 can move relatively to adjust the relative position so as to provide an operation platform for welding of steel columns with different sizes and enable the welding platform to meet the welding requirements of the steel columns with different sizes;
the first platform 1 is provided with a first platform plate 104, the second platform 2 is provided with a second platform plate 208, the first platform plate 104 is provided with a first groove, the second platform plate 208 is provided with a second groove, the first groove and the second groove are oppositely arranged and form a through hole structure, so that one end of one steel column can penetrate through the through hole structure, the welding platform is arranged on the steel column and is welded with the other steel column. When two steel columns are welded, the welding platform is arranged on one steel column, one end of the steel column penetrates through the through hole structure and is in butt joint with the other steel column to be welded.
Preferably, in the present embodiment, the first groove and the second groove are both U-shaped grooves, and thus the first platform plate 104 and the second platform plate 208 are both U-shaped plate structures.
The first platform 1 further comprises a first guardrail 100, a second guardrail 101 and a third guardrail 102, wherein the first guardrail 100, the second guardrail 101 and the third guardrail 102 are arranged along the peripheral side of the first platform plate 104 and are sequentially connected; the second guardrail 101 is arranged at one end of the first platform plate 104 far away from the end provided with the first groove, the first guardrail 100 and the third guardrail 102 are arranged at two sides of the second guardrail 101, namely, the first guardrail 100, the second guardrail 101 and the third guardrail 102 are respectively arranged at other three sides of one side of the first platform plate 104 except the groove, and the first guardrail 100, the second guardrail 101 and the third guardrail 102 are respectively arranged perpendicular to the first platform plate 104 and are all positioned at the edge of one side of the first platform plate 104. The first guardrail 100, the second guardrail 101, the third guardrail 102 and the first platform plate 104 form a single-piece welding platform structure, the first guardrail 100, the second guardrail 101 and the third guardrail 102 are respectively fixedly connected with the first platform plate 104, and the fixed connection mode is preferably welding. The third guardrail 102 is fixedly connected to the peripheral end of the first platform plate 104, and the first guardrail 100 and the second guardrail 101 are respectively fixedly mounted on one side surface of the first platform plate 104.
The second platform 2 further comprises a fourth guardrail 200, a fifth guardrail 201 and a sixth guardrail 202, wherein the fourth guardrail 200, the fifth guardrail 201 and the sixth guardrail 202 are arranged along the peripheral side of the second platform plate 208 and are sequentially connected; the fifth guardrail 201 is arranged at one end, far away from the end provided with the second groove, of the second flat bedplate 208, the fourth guardrail 200 and the sixth guardrail 202 are arranged at two sides of the fourth guardrail 200, namely, the fourth guardrail 200, the fifth guardrail 201 and the sixth guardrail 202 are respectively arranged at other three sides of one side of the second flat bedplate 208 except the side provided with the groove, and the fourth guardrail 200, the fifth guardrail 201 and the sixth guardrail 202 are respectively arranged perpendicular to the second flat bedplate 208 and are all positioned at the edge of one side of the second flat bedplate 208. The fourth guardrail 200, the fifth guardrail 201, the sixth guardrail 202 and the second platform plate 208 form another single-piece welding platform structure, the fourth guardrail 200, the fifth guardrail 201 and the sixth guardrail 202 are respectively fixedly connected with the second platform plate 208, and the fixed connection mode is preferably welding. The sixth guard rail 202 is fixedly connected to the peripheral end of the second platform plate 208, and the fifth guard rail 201 and the fourth guard rail 200 are respectively fixedly attached to one side surface of the first platform plate 104.
Two monolithic welded platforms are pegged graft and are set up, and but two monolithic welded platforms relative movement constitute a welded platform structure that the space can be changed, for large cross-section steel column butt welding provides operation platform, the welding equipment of being convenient for places on this welded platform, and two butt joint faces of treating the welded steel column are located this welded platform's space, and welding equipment welds the butt joint face of treating the welded steel column to two.
The second guardrail 101 is arranged opposite to the fifth guardrail 201, the sixth guardrail 202 is arranged in an overlapping manner with the first guardrail 100, and the sixth guardrail 202 and the first guardrail 100 can move relatively close to or away from each other, so that the length of the overlapping part between the sixth guardrail 202 and the first guardrail 100 is reduced or increased; the fourth guard rail 200 is disposed to overlap with the third guard rail 102, and the fourth guard rail 200 and the third guard rail 102 are relatively movable closer to or farther from each other, so that the length of the overlapping portion between the fourth guard rail 200 and the third guard rail 102 becomes smaller or larger. When the first platform 1 is connected with the second platform 2 in an inserting mode, the first platform plate 104 is arranged opposite to the second platform plate 208, the first groove is arranged opposite to the second groove, the sixth guardrail 202 is positioned inside the first guardrail 100, the third guardrail 102 is positioned inside the fourth guardrail 200, the first guardrail 100 and the sixth guardrail 202 are overlapped, the fourth guardrail 200 and the third guardrail 102 are overlapped, when the first platform plate 104 is relatively close to the second platform plate 208, the length of the overlapped part of the first guardrail 100 and the sixth guardrail 202 is lengthened, the length of the overlapped part of the fourth guardrail 200 and the third guardrail 102 is lengthened, the size of a through hole formed by the first groove and the second groove is reduced, and at the moment, the welding platform is suitable for welding small-sized steel columns; when the first platform plate 104 is relatively far away from the second platform plate 208, the length of the overlapped part of the first guardrail 100 and the sixth guardrail 202 is shortened, the length of the overlapped part of the fourth guardrail 200 and the third guardrail 102 is shortened, the size of the through hole formed by the first groove and the second groove is increased, and at the moment, the welding platform is suitable for welding large-size steel columns.
The first guardrail 100, the second guardrail 101, the third guardrail 102, the fourth guardrail 200, the fifth guardrail 201 and the sixth guardrail 202 are all provided with skirting boards 5, the skirting boards 5 are fixedly arranged at one ends of the first guardrail 100, the second guardrail 101 and the third guardrail 102 connected with the first platform plate 104, the skirting boards 5 are fixedly arranged at the fourth guardrail 200 and one ends of the fifth guardrail 201 and the sixth guardrail 202 connected with the second platform plate 208, namely, the skirting boards 5 on each guardrail form an annular structure and surround the peripheries of the first platform plate 104 and the second platform plate 208, and the skirting boards 5 are arranged to prevent articles on the welding platform from falling from the high altitude and prevent welding sparks from falling off.
As shown in fig. 2-8, the first platform 1 is provided with a first telescopic seam plate 106, a first telescopic beam 105 and a first platform beam 103, a plurality of first platform beams 103 are sequentially arranged at one end of the first platform plate 104 provided with a first groove along the direction from the first guardrail 100 to the third guardrail 102, and the plurality of first platform beams 103 are all arranged in parallel with the first guardrail 100; the first platform beam 103 is arranged on the other side of the first platform plate 104 from where the third railing 102 is arranged. Preferably, in this embodiment, the number of the first platform beams 103 is four, and the first platform beams are arranged into two groups, two groups of the first platform beams 103 are respectively arranged on the flat plate portions on two sides of the first groove, and two first platform beams 103 in each group are respectively located on two side edges of the flat plate portion, and are arranged along the length direction of the flat plate portions, and the four first platform beams 103 are all arranged in parallel with the first guardrail 100.
The first telescopic seam plate 106 is arranged on one side of the first groove, two sides of the first telescopic seam plate 106 are respectively connected with the two adjacent first platform beams 103, and the first telescopic seam plate 106 protrudes out of the end part of the first platform plate 104; the length of the flat plate part on the side is prolonged by the first telescopic slit plate 106, one end of the first telescopic slit plate 106 is fixedly connected with two adjacent first platform beams 103, and the other end of the first telescopic slit plate 106 extends out of the end part of the first platform plate 104, so that when the first platform plate 104 and the second platform plate 208 are relatively far away, the gap between the first platform plate 104 and the second platform plate 208 is filled by the first telescopic slit plate 106, and the area of the first platform plate 104 and the area of the second platform plate 208 are enlarged.
One end of the first telescopic beam 105 is arranged in the first platform beam 103 at two sides of the first telescopic seam plate 106 and connected with the first platform beam 103, the other end is positioned outside the first platform beam 103, and the first telescopic beam 105 and the first platform beam 103 are arranged in parallel. The end of the first telescopic beam 105, which is located outside the first platform beam 103, is flush with the end of the first telescopic slit plate 106, which is located outside the first platform plate 104, the first telescopic beam 105 is arranged to position the first platform plate 104 and the second platform plate 208 when in plug-in connection, and the first telescopic beam 105 is inserted into the platform beam on the second platform plate 208 to realize plug-in connection.
A certain gap is formed between the first expansion joint plate 106 and the first platform plate 104, and the gap is 5-10mm and is selected according to actual requirements. A reinforcing rib 7 is arranged on one side of the first expansion joint plate 106 away from the first platform plate 104, so that the mechanical strength of the first expansion joint plate 106 is enhanced. In this embodiment, the first telescopic beam 105 and the first platform beam 103 are preferably square tubes.
The second platform 2 is provided with a second telescopic seam plate 203, a second telescopic beam 205 and a second platform beam 206, a plurality of second platform beams 206 are sequentially arranged at one end of the second platform plate 208, which is provided with a second groove, along the direction from the fourth guardrail 200 to the sixth guardrail 202, and the plurality of second platform beams 206 are all arranged in parallel with the fourth guardrail 200; a second platform beam 206 is provided on the other side of the second platform plate 208 remote from where the fourth railing 200 is provided. Preferably, in this embodiment, the number of the second platform beams 206 is four, and the two groups of the second platform beams 206 are respectively disposed on the flat plate portions on two sides of the second groove, and two second platform beams 206 in each group are respectively disposed on two side edges of the flat plate portion, and are disposed along the length direction of the flat plate portions, and the four second platform beams 206 are all disposed in parallel with the fourth guard rail 200.
The second telescopic seam plate 203 is arranged on one side of the second groove, two sides of the second telescopic seam plate 203 are respectively connected with two adjacent second platform beams 206, and the second telescopic seam plate 203 protrudes out of the end part of the second platform plate 208; the length of the flat plate part on the side is prolonged by the second telescopic slit plate 203, one end of the second telescopic slit plate 203 is fixedly connected with two adjacent second platform beams 206, and the other end of the second telescopic slit plate 203 extends out of the end part of the second platform plate 208, so that when the second platform plate 208 is relatively far away from the first platform plate 104, the gap between the two is filled by the second telescopic slit plate 203, and the areas of the first platform plate 104 and the second platform plate 208 are enlarged.
One end of the second telescopic beam 205 is arranged in the second platform beam 206 at two sides of the second telescopic slot plate 203 and connected with the second platform beam 206, the other end is positioned outside the second platform beam 206, and the second telescopic beam 205 and the second platform beam 206 are arranged in parallel. The end of the second telescopic beam 205, which is located outside the second platform beam 206, is flush with the end of the second telescopic slit plate 203, which is located outside the second platform plate 208, the second telescopic beam 205 is arranged to position the first platform plate 104 and the second platform plate 208 when in plug-in connection, and the second telescopic beam 205 is inserted into the platform beam on the first platform plate 104 to realize the plug-in connection. In this embodiment, the second telescopic beam 205 and the second platform beam 206 are both square tubes.
The first telescopic seam plate 106 and the second telescopic seam plate 203 are not correspondingly arranged, the first telescopic seam plate 106 and the second telescopic seam plate 203 are respectively positioned at two sides of the first groove, then the first telescopic beam 105 and the second telescopic beam 205 are not correspondingly arranged, and the first telescopic beam 105 and the second telescopic beam 205 are respectively positioned at two sides of the first groove, so that when the first platform plate 104 and the second platform plate 208 are plugged, the first telescopic beam 105 is inserted into the second platform beam 206 corresponding to the first telescopic beam 105, and the second telescopic beam 205 is inserted into the first platform beam 103 corresponding to the second telescopic beam 205, so that the first platform plate 104 and the second platform plate 208 can move relatively to guide, and meanwhile, when the first platform plate 104 and the second platform plate 208 are plugged, the positioning can be carried out.
A certain gap is formed between the second expansion joint plate 203 and the second platform plate 208, and the gap is 5-10mm and is selected according to actual requirements. And a reinforcing rib 7 is arranged on one side surface of the second expansion joint plate 203 far away from the second platform plate 208, so that the mechanical strength of the second expansion joint plate 203 is enhanced.
The cross-sectional area of the first telescopic beam 105 is smaller than the cross-sectional area of the second platform beam 206, so that the first telescopic beam 105 can be inserted into the second platform beam 206 and move along the length direction of the second platform beam 206; the cross-sectional area of the second telescopic beam 205 is smaller than the cross-sectional area of the first platform beam 103 so that the second telescopic beam 205 can be inserted into the first platform beam 103 and moved along the length direction of the first platform beam 103.
The part of the first telescopic beam 105, which is positioned outside the first platform beam 103, is provided with at least two first through holes 108, the first through holes 108 are sequentially arranged along the direction from the free end of the first telescopic beam 105 to the other end, and the arrangement of the first through holes 108 is convenient for the first telescopic beam 105 to be fixedly connected with the second platform beam 206; the part of the second telescopic beam 205, which is located outside the second platform beam 206, is provided with at least two second through holes 204, the plurality of second through holes 204 are sequentially arranged along the direction from the free end of the second telescopic beam 205 to the other end, and the arrangement of the second through holes 204 facilitates the fixed connection of the second telescopic beam 205 and the first platform beam 103.
The second telescopic seam plate 203 corresponds to the positions of two adjacent first platform beams 103 on one side of the first groove, which are not provided with the first telescopic seam plate 106, the second telescopic seam plate 203 is inserted between the two adjacent first platform beams 103, the opposite surfaces of the two adjacent first platform beams 103 are provided with limiting parts 6, a first gap is formed between the limiting parts 6 and the first platform plate 104, and the second telescopic seam plate 203 is inserted into the first gap; preferably, in this embodiment, the limiting member 6 is an angle steel, the first gap is greater than the thickness of the second expansion slot plate 203, so that the second expansion slot plate 203 is inserted into the first gap, and the limiting member 6 supports and limits the second expansion slot plate 203, the length of the limiting member 6 on the first platform plate 104 is consistent with the length of the second expansion beam 205, so that the second expansion slot plate 203 is always located on the limiting member 6 in the moving process, and the limiting member 6 always supports the second expansion slot plate 203.
The second telescopic beams 205 on two sides of the second telescopic seam plate 203 are respectively inserted into two adjacent first platform beams 103 and fixed through fixing parts; a plurality of first limiting holes 107 are formed in two adjacent first platform beams 103, positioning pieces are sequentially inserted into the first through holes 108 and the first limiting holes 107 in the second telescopic beam 205 to fix the second telescopic beam 205 and the first platform beams 103, the fixing pieces are pin shafts, when the relative position between the second telescopic beam 205 and the first platform beams 103 is determined, the pin shafts are inserted into the first through holes 108 and the first limiting holes 107 to connect the second telescopic beam 205 and the first platform beams 103 together, the pin shafts are inserted into the two first through holes 108 and the corresponding first limiting holes 107 to further connect the first platform 1 and the second platform 2 together, and the first platform 1 and the second platform 2 do not move any more so as to weld a steel column;
the first telescopic seam plate 106 corresponds to the positions of two adjacent second platform beams 206 on one side of the second groove, which are not provided with the second telescopic seam plate 203, the first telescopic seam plate 106 is inserted between the two adjacent second platform beams 206, the opposite surfaces of the two adjacent second platform beams 206 are respectively provided with a limiting piece 6, a second gap is formed between the limiting piece 6 and the second platform plate 208, and the first telescopic seam plate 106 is inserted into the second gap; preferably, in this embodiment, the second gap is larger than the thickness of the first expansion plate, so that the first expansion plate 106 is inserted into the second gap, the limiting member 6 supports and limits the first expansion plate 106, and the length of the limiting member 6 on the second platform plate 208 is consistent with the length of the first expansion beam 105, so that the first expansion plate 106 is always located on the limiting member 6 in the moving process, and the limiting member 6 always supports the first expansion plate 106;
the first telescopic beams 105 on two sides of the first telescopic seam plate 106 are respectively inserted into two adjacent second platform beams 206 and fixed through fixing parts; a plurality of second limiting holes 207 are formed in each of two adjacent second platform beams 206, positioning pieces are sequentially inserted into the second through holes 204 and the second limiting holes 207 on the first telescopic beam 105 to fix the first telescopic beam 105 and the second platform beams 206, the fixing pieces are pin shafts, after the relative position between the first telescopic beam 105 and the second platform beams 206 is determined, the pin shafts are inserted into the second through holes 204 and the second limiting holes 207 to connect the first telescopic beam 105 and the second platform beams 206 together, the pin shafts are inserted into the two second through holes 204 and the corresponding second limiting holes 207 to connect the first platform 1 and the second platform 2 together, and the first platform 1 and the second platform 2 do not move any more so as to weld the steel columns.
The relative position of the first platform 1 and the second platform 2 is adjusted through relative movement, so that the welding platform can be arranged on steel columns with different sizes, after the position between the first platform 1 and the second platform 2 is determined, a first through hole 108 on the first telescopic beam 105 corresponds to a second limiting hole 207 on the second platform beam 206 and is fixedly connected through a pin shaft, a second through hole 204 on the second telescopic beam 205 corresponds to a first limiting hole 107 on the first platform beam 103, and the first platform 1 and the second platform 2 are connected together through the fixed connection of the pin shaft, so that the size of a through hole formed by the first groove and the second groove is fixed. When the size of the through hole structure needs to be adjusted, the pin shafts on the first telescopic beam 105 and the second telescopic beam 205 only need to be pulled out, and after the first platform 1 and the second platform 2 are pulled open, the pin shafts are inserted into the through holes on the first telescopic beam 105 and the second telescopic beam 205 again.
The first stopper holes 107 are provided in plural in number and arranged in order at equal intervals in the longitudinal direction of the first platform beam 103, and the second stopper holes 207 are provided in plural in number and arranged in order at equal intervals in the longitudinal direction of the second platform beam 206.
As shown in fig. 9, the fixed supports 4 are arranged on both sides of the first platform plate 104 and the second platform plate 208, which are provided with the telescopic beams, and are used for connecting with the steel columns; fixed support 4 includes platform connecting plate 400, post upper bracket board 401 and support floor 402, and platform connecting plate 400 is connected with first platform board 104 and second platform board 208 respectively, and platform connecting plate 400 can dismantle with post upper bracket board 401 and be connected, support floor 402 and post upper bracket board 401 fixed connection, and support floor 402 sets up with post upper bracket board 401 is perpendicular, and platform connecting plate 400 passes through bolted connection with post upper bracket board 401. Preferably, in this embodiment, the number of the fixed supports 4 is four, two fixed supports 4 are fixedly disposed on the first platform plate 104, the two fixed supports 4 are disposed oppositely, and are located on the flat plate portions on both sides of the first groove, two fixed supports 4 are fixedly disposed on the second platform plate 208, the two fixed supports 4 are disposed oppositely and are located on the flat plate portions on both sides of the second groove, and the fixed supports 4 on the first platform plate 104 correspond to the fixed supports 4 on the second platform plate 208 one to one, so that the four fixed supports 4 are fixedly connected with the steel column and are fixedly disposed on the peripheral side of the steel column, and are located on the same plane, so that the welding platform is kept in a horizontal state when being used for welding.
Lifting lugs 3 are fixedly arranged on the peripheral side end faces of the first platform plate 104 and the second platform plate 208, so that the welding platform can be conveniently used during lifting.
When the welding platform is assembled, all parts of the first platform 1 and the second platform 2 are cut and blanked, and the telescopic beam and the platform beam inserted into the telescopic beam are punched according to actual requirements; assembling all parts, sequentially and fixedly welding a first guardrail 100, a second guardrail 101 and a third guardrail 102 on one side surface of a first platform plate 104, welding four first platform beams 103 on the other side surface of the first platform plate 104, welding a limiting part 6 with the first platform beams 103, welding a first telescopic seam plate 106 with the first platform beams 103, fixedly connecting a first telescopic beam 105 with the first platform beams 103, and welding a lifting lug 3 and a platform connecting plate 400 to form the structure of a first platform 1; similarly, the second platform 2 is assembled in the same manner.
The first platform 1 is assembled with the second platform 2: the telescopic beams of the two platforms are mutually inserted into the platform beam at the corresponding position of the other platform, the through holes and the limiting holes are aligned, the pin shafts are inserted, and the pin shafts are inserted into the through holes in each telescopic beam. The flexible seam board inserts simultaneously in the clearance between locating part 6 and the platform board, and locating part 6 carries on spacingly and does the bearing support to flexible seam board when the platform is flexible.
A construction method of a telescopic welding platform suitable for high-altitude welding of steel columns is shown in figure 10 and comprises the following steps:
for a steel column 8 which needs to be in butt joint on site, welding a column upper support plate 401 and a support rib plate 402 on a column body of the steel column 8;
after the lower column is installed, hoisting the welding platform by using a hoisting machine, sleeving the welding platform into the steel column 8 from the through hole structure, moving the welding platform downwards, enabling the platform connecting plate 400 to be in contact with the upper column support plate 401 on the steel column, and connecting the platform connecting plate 400 with the upper column support plate 401 through a support connecting piece to fix; the abutment connection is preferably a fastening bolt.
The welding platform is installed;
hoisting welding equipment into a welding platform, hoisting an upper column, adjusting the elevation and the verticality, and temporarily fixing the upper column through a column body positioning lug plate;
and carrying out penetration welding on the splicing positions of the upper column and the lower column, after the welding is finished and the flaw detection is qualified, moving out the welding equipment, loosening the support connecting piece, hoisting the welding platform through a hoisting machine, and dismantling the welding platform. And loosening the fastening bolts of the fixed support 4, and hoisting and dismounting the welding platform by using hoisting machinery.
By adopting the technical scheme, the welding device is simple in structure and convenient to use, and is provided with the first platform and the second platform which can move relatively, so that the size of a through hole structure formed by the first platform and the second platform can be adjusted, and the welding platform can meet the use requirements of high-altitude welding of steel columns with different sizes; an operation platform can be provided for butt welding of the large-section steel column, welding quality is guaranteed, welding efficiency is improved, and potential safety hazards are eliminated; the welding platform can be used for butt welding of large-section steel columns in field construction, and the quality of welding seams, operation safety and rapidness of the welding platform are guaranteed; the butt welding device can be widely applied to butt welding of steel columns of various specifications in various occasions, and can be repeatedly used, thereby saving construction measure consumables and reducing cost; the device convenient operation is swift, and simple structure safety adopts this welded platform to carry out large cross-section steel column butt welding, improves production efficiency, reduces installation operating personnel's operation risk to can the effective control installation accuracy.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The utility model provides a scalable welded platform suitable for steel column high altitude welding which characterized in that: the device comprises a first platform and a second platform, wherein the first platform is connected with the second platform in an inserting manner, and the first platform and the second platform can move relatively to adjust the relative position;
the welding platform is characterized in that the first platform is provided with a first platform plate, the second platform is provided with a second platform plate, the first platform plate is provided with a first groove, the second platform plate is provided with a second groove, the first groove and the second groove are oppositely arranged to form a through hole structure, so that one end of a steel column can penetrate through the through hole structure, the welding platform is arranged on the steel column, and the welding platform is welded with another steel column.
2. The telescopic welding platform suitable for overhead welding of steel columns according to claim 1, wherein: the first platform further comprises a first guardrail, a second guardrail and a third guardrail, and the first guardrail, the second guardrail and the third guardrail are arranged along the peripheral side of the first platform plate and are sequentially connected;
the second guardrail is arranged at one end, far away from the first groove, of the first platform, and the first guardrail and the third guardrail are arranged on two sides of the second guardrail.
3. The telescopic welding platform suitable for overhead welding of steel columns according to claim 2, wherein: the second platform also comprises a fourth guardrail, a fifth guardrail and a sixth guardrail, wherein the fourth guardrail, the fifth guardrail and the sixth guardrail are arranged along the peripheral side of the second platform plate and are sequentially connected;
the fifth guardrail is arranged at one end, far away from the second groove, of the second platform, and the fourth guardrail and the sixth guardrail are arranged on two sides of the fourth guardrail.
4. The telescopic welding platform suitable for overhead welding of steel columns according to claim 3, wherein: the second guardrail and the fifth guardrail are oppositely arranged, the sixth guardrail and the first guardrail are in lap joint, and the sixth guardrail and the first guardrail can relatively move close to or away from each other, so that the length of a lap joint part between the sixth guardrail and the first guardrail is reduced or increased;
the fourth guardrail and the third guardrail are arranged in an overlapping mode, and the fourth guardrail and the third guardrail can be relatively close to or far away from and move, so that the length of an overlapping portion between the fourth guardrail and the third guardrail is reduced or enlarged.
5. The telescopic welding platform suitable for high-altitude welding of steel columns according to any one of claims 1 to 4, wherein: the first platform is provided with a first telescopic seam plate, a first telescopic beam and a first platform beam, one end of the first platform plate, which is provided with the first groove, is sequentially provided with a plurality of first platform beams along the direction from the first guardrail to the third guardrail, and the plurality of first platform beams are all arranged in parallel with the first guardrail;
the first telescopic seam plate is arranged on one side of the first groove, two sides of the first telescopic seam plate are respectively connected with two adjacent first platform beams, and the first telescopic seam plate protrudes out of the end part of the first platform plate;
one end of the first telescopic beam is arranged in the first platform beams on two sides of the first telescopic seam plate and connected with the first platform beams, and the other end of the first telescopic beam is positioned outside the first platform beams and arranged in parallel with the first platform beams.
6. The telescopic welding platform suitable for overhead welding of steel columns according to claim 5, wherein: the second platform is provided with a second telescopic seam plate, a second telescopic beam and a second platform beam, a plurality of second platform beams are sequentially arranged at one end of the second platform plate, which is provided with the second groove, along the direction from the fourth guardrail to the sixth guardrail, and the second platform beams are all arranged in parallel with the fourth guardrail;
the second telescopic seam plate is arranged on one side of the second groove, two sides of the second telescopic seam plate are respectively connected with two adjacent second platform beams, and the second telescopic seam plate protrudes out of the end part of the second platform plate;
one end of the second telescopic beam is arranged in the second platform beam on two sides of the second telescopic seam plate and connected with the second platform beam, the other end of the second telescopic beam is positioned outside the second platform beam, and the second telescopic beam and the second platform beam are arranged in parallel.
7. The telescopic welding platform suitable for overhead welding of steel columns according to claim 6, wherein: the positions of the second telescopic seam plate and two adjacent first platform beams on one side of the first groove, which are not provided with the first telescopic seam plate, correspond to each other, the second telescopic seam plate is inserted between the two adjacent first platform beams, the opposite surfaces of the two adjacent first platform beams are respectively provided with a limiting piece, a first gap is formed between the limiting piece and the first platform plate, and the second telescopic seam plate is inserted into the first gap;
the first telescopic seam plate corresponds to two adjacent second platform beams on one side of the second groove, the second telescopic seam plate is not arranged on the adjacent second platform beams, the first telescopic seam plate is inserted between the two adjacent second platform beams, the limiting parts are arranged on opposite surfaces of the two adjacent second platform beams, a second gap is formed between the limiting parts and the second platform plates, and the first telescopic seam plate is inserted into the second gap.
8. The telescopic welding platform suitable for overhead welding of steel columns according to claim 7, wherein: the first telescopic beam is provided with at least two first through holes at the outer part of the first platform beam, and the second telescopic beam is provided with at least two second through holes at the outer part of the second platform beam;
the second telescopic beams on two sides of the second telescopic seam plate are respectively inserted into two adjacent first platform beams and are fixed through fixing pieces; a plurality of first limiting holes are formed in two adjacent first platform beams, and the positioning piece is inserted into the first through hole and the first limiting hole in the second telescopic beam in sequence to fix the second telescopic beam and the first platform beam;
the first telescopic beams on two sides of the first telescopic seam plate are respectively inserted into two adjacent second platform beams and are fixed through the fixing piece; two adjacent all be equipped with a plurality of second spacing holes on the second platform roof beam, the setting element inserts in proper order the second through-hole on the first flexible roof beam with the spacing downthehole of second, right first flexible roof beam with the second platform roof beam is fixed.
9. The telescopic welding platform suitable for overhead welding of steel columns according to claim 1, wherein: one side surfaces, far away from the guardrail, of the first platform plate and the second platform plate are provided with fixed supports which are used for being connected with the steel column; the fixed support comprises a platform connecting plate, an upper column support plate and a support rib plate, the platform connecting plate is connected with the first platform plate and the second platform plate respectively, the platform connecting plate is detachably connected with the upper column support plate, the support rib plate is fixedly connected with the upper column support plate, and the support rib plate is perpendicular to the upper column support plate.
10. A construction method of a telescopic welding platform suitable for high-altitude welding of steel columns is characterized by comprising the following steps: the method comprises the following steps:
for a steel column needing on-site butt joint, welding the upper column support plate and the support rib plate on a column body of the steel column;
after the lower column is installed, hoisting a welding platform by using a hoisting machine, sleeving the welding platform into the steel column from the through hole structure, moving the welding platform downwards, enabling a platform connecting plate to be in contact with the column upper support plate on the steel column, and connecting the platform connecting plate with the column upper support plate through a support connecting piece for fixing;
the welding platform is installed;
hoisting welding equipment into the welding platform, hoisting an upper column, adjusting the elevation and the verticality, and temporarily fixing the upper column through a column body positioning lug plate;
and carrying out penetration welding on the splicing positions of the upper column and the lower column, finishing welding, moving out welding equipment after flaw detection is qualified, loosening the support connecting piece, and hoisting the welding platform by the hoisting machinery to disassemble the welding platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011517721.1A CN112523486A (en) | 2020-12-21 | 2020-12-21 | Telescopic welding platform suitable for high-altitude welding of steel column and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011517721.1A CN112523486A (en) | 2020-12-21 | 2020-12-21 | Telescopic welding platform suitable for high-altitude welding of steel column and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565308A (en) * | 2021-06-29 | 2021-10-29 | 重庆建工第三建设有限责任公司 | Steel structure shaping protection platform with external isolation protection structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565308A (en) * | 2021-06-29 | 2021-10-29 | 重庆建工第三建设有限责任公司 | Steel structure shaping protection platform with external isolation protection structure |
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