CN105926856A - Multi-tube combined steel column and manufacturing method thereof - Google Patents
Multi-tube combined steel column and manufacturing method thereof Download PDFInfo
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- CN105926856A CN105926856A CN201610531600.XA CN201610531600A CN105926856A CN 105926856 A CN105926856 A CN 105926856A CN 201610531600 A CN201610531600 A CN 201610531600A CN 105926856 A CN105926856 A CN 105926856A
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- steel pipe
- plate
- connecting plate
- welding
- bar shaped
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention relates to a combined steel column, and in particular relates to a multi-tube combined steel column and a manufacturing method thereof, belonging to the field of steel structures. The multi-tube combined steel column comprises a bottom column plate, wherein a main steel tube component is arranged at the upper part of the bottom column plate; the main steel tube component is sleeved by an outer circular partitioning plate; a small steel tube component fixed together with the main steel tube component is arranged at the upper part of the bottom column plate; a plurality of anti-shearing buttons are arranged at the bottom of the bottom column plate. The multi-tube combined steel column and the manufacturing method thereof are compact in structure, low in manufacturing cost and high in assembling precision.
Description
Technical field
The present invention relates to a kind of composite steel column, particularly relate to a kind of multitube composite steel column and preparation method thereof, belong to
In field of steel structure.
Background technology
Conventional combination steel column intensity is relatively low, assembles complexity simultaneously, and cost of manufacture is of a relatively high, it is impossible to meet existing
Some demands.
Chinese patent 201010265503.3, discloses a kind of composite steel column, and it includes: upper segmented column and lower segmented column；
Being provided with transition connecting plate bottom described lower segmented column, upper segmented column is connected with lower segmented column by transition connecting plate.Its
Structural behaviour is not outstanding, and holding capacity is poor, it is impossible to be suitable for existing demand.
Summary of the invention
The present invention mainly solves the deficiencies in the prior art, it is provided that a kind of compact conformation, node power transmission
Clearly, a kind of multitube composite steel column that stress performance is outstanding and preparation method thereof.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals:
A kind of multitube composite steel column, including column base plate, the top of described column base plate is provided with main steel pipe assembly,
Described main steel pipe assembly overcoat has outer shroud dividing plate, the top of described column base plate to be provided with and main steel pipe assembly phase
Fixing little steel pipe assembly, the bottom of described column base plate is provided with some shear keies；
Described main steel pipe assembly includes the main steel pipe of 4 interruption-like square distributions, and one pair of which is symmetrical
Being positioned mutually by the long connecting plate of bar shaped between the main steel pipe of distribution, described outer shroud dividing plate socket-connects with main steel pipe,
Being provided with interior connector assembly between 4 main steel pipes, described interior connector assembly includes matched with main outer wall of steel pipe fixing
Steel column built-in inserted plate, the top of described steel column built-in inserted plate is provided with the interpolation cross strength fixed with main outer wall of steel pipe
Plate,
Positioned mutually by the short connecting plate of bar shaped between the main steel pipe of the symmetrical distribution of another pair, the short connection of described bar shaped
Plate is fixed with outer shroud dividing plate；
Described little steel pipe assembly includes connecting plate, outside the described outer wall of main steel pipe, the short connecting plate of bar shaped
Wall is respectively equipped with outward extending connecting plate, and the outer wall of described connecting plate is provided with little steel pipe, and connecting plate is with little
The upper end of steel pipe is fixed with outer shroud dividing plate respectively, and connecting plate and the bottom of little steel pipe are solid mutually with column base plate respectively
Fixed；
Described shear key is provided with the shearing resistance steel pipe of distribution corresponding with little steel pipe；
The outer wall of described little steel pipe and the outer wall of shearing resistance steel pipe are respectively equipped with equally distributed peg.
As preferably, the top of described main steel pipe is provided with Embedded shrouding, described main steel pipe top
The inner is provided with upwardly extending fixed plate, and the long connecting plate of described bar shaped, interpolation cross strength plate are respectively with fixing
Plate fixes, the top of the long connecting plate of described bar shaped, top and the interpolation cross strength plate of the short connecting plate of bar shaped
Top be same level EDS maps.
As preferably, described outer shroud dividing plate is positioned at the upper end of main steel pipe, described column base plate and outer shroud dividing plate
Specification equal, described steel column built-in inserted plate and outer shroud dividing plate are respectively equipped with froth breaking hole.
As preferably, described main steel pipe outer end wall is provided with the connecting plate of three shape distributions that are evenly distributed, institute
The short connecting plate of bar shaped stated is distributed with the perpendicular shape of connecting plate, and described shear key is distributed with little steel pipe,
The quantity of described little steel pipe is equal with the quantity of shearing resistance steel pipe.
As preferably, the outer wall on described main steel pipe top is provided with lifting otic placode.
As preferably, the thickness of slab of described connecting plate is 36mm, and the long connecting plate of described bar shaped is short with bar shaped
The thickness of slab of connecting plate is respectively 50mm.
The preparation method of a kind of multitube composite steel column, sequentially includes the following steps:
(1), main steel pipe assembles:
1, the information of the numbering of 4 main steel pipes, material, specification is checked, fixed to assembling location line,
Control the perpendicularity of main steel pipe and column base plate, carry out positioning welding and fix；
2, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe welds the most simultaneously, and welding is adopted
Use CO2Gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Postwelding local adds heat straightening post
Base plate, locally heating-up temperature preferably controls at 750 DEG C～850 DEG C, the highest must not exceed 900 DEG C；Ensure at the bottom of post
The flatness of plate, meet design tolerance≤1.0mm；Detect the perpendicularity of main steel pipe and column base plate not
More than 3.0mm；
Table 1.1 CO2 gas shielded arc welding welding condition
(2), main steel pipe assembles with the long connecting plate of bar shaped:
1, long for bar shaped connecting plate is hung on assembling jig frame, bar shaped long connecting plate groove towards outside main steel pipe,
Alignment assembles location line, and the linearity and the long connecting plate of bar shaped that control the long connecting plate of bar shaped are vertical with column base plate
Degree is not more than 3.0mm, then carries out positioning welding and fixes；
2, the long connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped long connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than
22；Control temperature between per pass weld seam road and be more than preheating temperature, but less than 230 DEG C.
(3), outer shroud dividing plate assembles:
1, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assemble location line, control outer shroud dividing plate with
The depth of parallelism of main steel pipe perpendicularity and outer shroud dividing plate and column base plate, outer shroud dividing plate must not be big with the column base plate depth of parallelism
In 0.05mm；Then carry out positioning welding to fix；
2, the welding of outer shroud dividing plate uses CO2Gas shielded arc welding, takes even numbers workman's symmetrical rotary welding, postwelding
Local adds heat straightening outer shroud dividing plate；
(4), interpolation cross strength plate assembles:
1, interpolation cross strength plate and steel column internal partition assembly welding are first carried out, it is ensured that in interpolation cross strength plate and steel column
The weld seam welding of dividing plate completes；
When interpolation cross strength plate and steel column internal partition assembly welding, it should be ensured that the interpolation cross strength plate after assembly welding and main steel
The groove of pipe weld seam connects side, steel column internal partition and outer shroud dividing plate weld groove orientation column towards rear cover strip length
Base plate；
2, the interpolation cross strength plate positioned in alignment line after assembly welding is assembled, first weldering interpolation cross strength plate and main steel
The attachment weld of pipe, then welding steel column internal partition and the attachment weld of outer shroud dividing plate；
The welding of above-mentioned weld seam uses CO2 gas shielded flux cored wire welding, and welding condition is shown in Table 1.1；
(5), main steel pipe assembles with the short connecting plate of bar shaped:
1, short for bar shaped connecting plate is hung on assembled component, bar shaped short connecting plate groove towards outside main steel pipe,
Alignment assembles location line, carries out the assembling of each bar line short chain fishplate bar 7 successively, controls the flat of the short connecting plate of bar shaped
Row degree and the short connecting plate of bar shaped and the perpendicularity of column base plate, then carry out positioning welding and fix；The depth of parallelism must not
More than 0.05mm, perpendicularity cannot be greater than 3.0mm；
2, the short connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped short connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, control between per pass weld seam road
Temperature is more than preheating temperature, but is less than 230 DEG C；
(6), little steel pipe assembles with connecting plate:
1, first positioned in alignment line assembles four sides connecting plate long with bar shaped and is connected, the connecting plate in centre position,
Control the perpendicularity of connecting plate, be welded and fixed；
2, centered by the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, right
Claim position weld seam to weld simultaneously；
(7), little steel pipe assembles:
1, with connecting plate assembly welding order；First positioned in alignment line assembles the little steel pipe in four centre positions, side, weldering
Connect fixing；
2, then centered by the little steel pipe in centre position, remaining little steel pipe is assembled to both sides.Carry out little steel
Pipe assembly welding, first weldering and connecting plate attachment weld, then weldering and outer shroud dividing plate and base plate attachment weld, weldering
Connecing and take CO2 gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Local heating is used to rectify
Executing, the flatness correcting column base plate should meet tolerance≤1.0mm that existing national acceptance specification specifies；
(8), shear key at the bottom of post assembles:
Shear key at the bottom of post is corresponding with the little steel pipe of main steel pipe periphery, and shear key assembles the interposition from four sides
Put beginning, carry out to bilateral symmetry；
(9), peg assembles with lifting otic placode:
1, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is from inside to outside carried out；
2, first weld the peg on main steel pipe, secondly weld the peg on little steel pipe.
Effect and advantage:
1, node power transmission is clear, stress performance good:
2, execute-in-place is strong:
The present invention provides a kind of multitube composite steel column and preparation method thereof, compact conformation, and cost of manufacture is low, dress
Join precision high.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention；
Fig. 2 is the present invention perspective view without peg；
Fig. 3 is the structural representation of installation step in the present invention (one)；
Fig. 4 is the structural representation of installation step in the present invention (two)；
Fig. 5 is installation step in the present invention (three) structural representation；
Fig. 6 is installation step in the present invention (four) structural representation；
Fig. 7 is interpolation cross strength plate and the structural representation of steel column built-in inserted plate in the present invention；
Fig. 8 is installation step in the present invention (five) structural representation；
Fig. 9 is installation step in the present invention (six) structural representation；
Figure 10 is installation step in the present invention (seven) structural representation；
Figure 11 is installation step in the present invention (eight) structural representation.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment 1: as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, figure
Shown in 10 and Figure 11, a kind of multitube composite steel column, including column base plate 1, the top of described column base plate 1
Being provided with main steel pipe assembly, described main steel pipe assembly overcoat has outer shroud dividing plate 2, described column base plate 1 upper
Portion is provided with the little steel pipe assembly fixed with main steel pipe assembly, and the bottom of described column base plate 1 is provided with some anti-
Cut key 3；
Described main steel pipe assembly includes the main steel pipe 4 of 4 interruption-like square distributions, and one pair of which is relative
Claim to be positioned by bar shaped long connecting plate 5 phase between the main steel pipe 4 of distribution, described outer shroud dividing plate 2 and main steel pipe
4 socket-connect, and are provided with interior connector assembly, outside described interior connector assembly includes with main steel pipe 4 between 4 main steel pipes 4
The matched fixing steel column built-in inserted plate 6 of wall, outside the top of described steel column built-in inserted plate 6 is provided with main steel pipe 4
The interpolation cross strength plate 7 that wall fixes,
Positioned by bar shaped short connecting plate 8 phase between the main steel pipe 4 of the symmetrical distribution of another pair, described bar
The short connecting plate of shape 8 is fixed with outer shroud dividing plate 2；
Described little steel pipe assembly includes connecting plate 9, the described outer wall of main steel pipe 4, the short connecting plate of bar shaped
The outer wall of 8 is respectively equipped with outward extending connecting plate 9, and the outer wall of described connecting plate 9 is provided with little steel pipe 10,
Connecting plate 9 and the upper end of little steel pipe 10 are fixing with outer shroud dividing plate 2 respectively, connecting plate 9 and little steel pipe 10
Bottom fix with column base plate 1 respectively；
Described shear key 3 is provided with and the shearing resistance steel pipe 11 of the little corresponding distribution of steel pipe 10；
The outer wall of described little steel pipe 10 and the outer wall of shearing resistance steel pipe 11 are respectively equipped with equally distributed peg
12。
The top of described main steel pipe 4 is provided with Embedded shrouding 13, described main steel pipe 4 top interior
End be provided with upwardly extending fixed plate 14, the long connecting plate of described bar shaped 5, interpolation cross strength plate 7 respectively with
Fixed plate 14 fixes, the top of the long connecting plate of described bar shaped 5, the short connecting plate of bar shaped 8 top with
The top of interpolation cross strength plate 7 is same level EDS maps.
Described outer shroud dividing plate 2 is positioned at the upper end of main steel pipe 4, described column base plate 1 and outer shroud dividing plate 2
Specification equal, described steel column built-in inserted plate 6 and outer shroud dividing plate 2 are respectively equipped with froth breaking hole 15.
Described main steel pipe 4 outer end wall is provided with the connecting plate 9 of three shape distributions that are evenly distributed, described bar
The short connecting plate of shape 8 is distributed with the perpendicular shape of connecting plate 9, and described shear key 3 is carried out point with little steel pipe 10
Cloth, the quantity of described little steel pipe 10 is equal with the quantity of shearing resistance steel pipe 11.
The outer wall on described main steel pipe 4 top is provided with lifting otic placode 16.
The thickness of slab of described connecting plate 9 is 36mm, the long connecting plate of described bar shaped 5 and the short connecting plate of bar shaped 8
Thickness of slab be respectively 50mm.
The preparation method of a kind of multitube composite steel column, sequentially includes the following steps:
(1), main steel pipe assembles:
1, the information of the numbering of 4 main steel pipes, material, specification is checked, fixed to assembling location line,
Control the perpendicularity of main steel pipe and column base plate, carry out positioning welding and fix；
2, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe welds the most simultaneously, and welding is adopted
Use CO2Gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Postwelding local adds heat straightening post
Base plate, locally heating-up temperature preferably controls at 750 DEG C～850 DEG C, the highest must not exceed 900 DEG C；Ensure at the bottom of post
The flatness of plate, meet design tolerance≤1.0mm；Detect the perpendicularity of main steel pipe and column base plate not
More than 3.0mm；
Table 1.1 CO2 gas shielded arc welding welding condition
(2), main steel pipe assembles with the long connecting plate of bar shaped:
1, long for bar shaped connecting plate is hung on assembling jig frame, bar shaped long connecting plate groove towards outside main steel pipe,
Alignment assembles location line, and the linearity and the long connecting plate of bar shaped that control the long connecting plate of bar shaped are vertical with column base plate
Degree is not more than 3.0mm, then carries out positioning welding and fixes；
2, the long connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped long connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than
22；Control temperature between per pass weld seam road and be more than preheating temperature, but less than 230 DEG C.
(3), outer shroud dividing plate assembles:
1, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assemble location line, control outer shroud dividing plate with
The depth of parallelism of main steel pipe perpendicularity and outer shroud dividing plate and column base plate, outer shroud dividing plate must not be big with the column base plate depth of parallelism
In 0.05mm；Then carry out positioning welding to fix；
2, the welding of outer shroud dividing plate uses CO2Gas shielded arc welding, takes even numbers workman's symmetrical rotary welding, postwelding
Local adds heat straightening outer shroud dividing plate；
(4), interpolation cross strength plate assembles:
1, interpolation cross strength plate and steel column internal partition assembly welding are first carried out, it is ensured that in interpolation cross strength plate and steel column
The weld seam welding of dividing plate completes；
When interpolation cross strength plate and steel column internal partition assembly welding, it should be ensured that the interpolation cross strength plate after assembly welding and main steel
The groove of pipe weld seam connects side, steel column internal partition and outer shroud dividing plate weld groove orientation column towards rear cover strip length
Base plate；
2, the interpolation cross strength plate positioned in alignment line after assembly welding is assembled, first weldering interpolation cross strength plate and main steel
The attachment weld of pipe, then welding steel column internal partition and the attachment weld of outer shroud dividing plate；
The welding of above-mentioned weld seam uses CO2 gas shielded flux cored wire welding, and welding condition is shown in Table 1.1；
(5), main steel pipe assembles with the short connecting plate of bar shaped:
1, short for bar shaped connecting plate is hung on assembled component, bar shaped short connecting plate groove towards outside main steel pipe,
Alignment assembles location line, carries out the assembling of each bar line short chain fishplate bar 7 successively, controls the flat of the short connecting plate of bar shaped
Row degree and the short connecting plate of bar shaped and the perpendicularity of column base plate, then carry out positioning welding and fix；The depth of parallelism must not
More than 0.05mm, perpendicularity cannot be greater than 3.0mm；
2, the short connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped short connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, control between per pass weld seam road
Temperature is more than preheating temperature, but is less than 230 DEG C；
(6), little steel pipe assembles with connecting plate:
1, first positioned in alignment line assembles four sides connecting plate long with bar shaped and is connected, the connecting plate in centre position,
Control the perpendicularity of connecting plate, be welded and fixed；
2, centered by the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, right
Claim position weld seam to weld simultaneously；
(7), little steel pipe assembles:
1, with connecting plate assembly welding order；First positioned in alignment line assembles the little steel pipe in four centre positions, side, weldering
Connect fixing；
2, then centered by the little steel pipe in centre position, remaining little steel pipe is assembled to both sides.Carry out little steel
Pipe assembly welding, first weldering and connecting plate attachment weld, then weldering and outer shroud dividing plate and base plate attachment weld, weldering
Connecing and take CO2 gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Local heating is used to rectify
Executing, the flatness correcting column base plate should meet tolerance≤1.0mm that existing national acceptance specification specifies；
(8), shear key at the bottom of post assembles:
Shear key at the bottom of post is corresponding with the little steel pipe of main steel pipe periphery, and shear key assembles the interposition from four sides
Put beginning, carry out to bilateral symmetry；
(9), peg assembles with lifting otic placode:
1, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is from inside to outside carried out；
2, first weld the peg on main steel pipe, secondly weld the peg on little steel pipe.
Claims (7)
1. a multitube composite steel column, it is characterised in that: include column base plate (1), described column base plate (1)
Top be provided with main steel pipe assembly, described main steel pipe assembly overcoat has outer shroud dividing plate (2), at the bottom of described post
The top of plate (1) is provided with the little steel pipe assembly fixed with main steel pipe assembly, described column base plate (1)
Bottom is provided with some shear keies (3)；
Described main steel pipe assembly includes the main steel pipe (4) of 4 interruption-like square distributions, one pair of which phase
Positioned mutually by the long connecting plate of bar shaped (5) between symmetrical main steel pipe (4), described outer shroud dividing plate (2)
Socket-connect with main steel pipe (4), between 4 main steel pipes (4), be provided with interior connector assembly, described interior connector assembly bag
Include fixing steel column built-in inserted plate (6) matched with main steel pipe (4) outer wall, described steel column built-in inserted plate (6)
Top be provided with interpolation cross strength plate (7) fixed with main steel pipe (4) outer wall,
Positioned mutually by the short connecting plate of bar shaped (8) between the main steel pipe (4) of the symmetrical distribution of another pair, institute
The short connecting plate of the bar shaped (8) stated is fixed with outer shroud dividing plate (2)；
Described little steel pipe assembly includes connecting plate (9), and the described outer wall of main steel pipe (4), bar shaped are short
The outer wall of connecting plate (8) is respectively equipped with outward extending connecting plate (9), outside described connecting plate (9)
Wall is provided with little steel pipe (10), the upper end of connecting plate (9) and little steel pipe (10) respectively with outer shroud dividing plate (2)
Fixing, connecting plate (9) fixes with column base plate (1) respectively with the bottom of little steel pipe (10)；
Described shear key (3) is provided with the shearing resistance steel pipe (11) with little steel pipe (10) corresponding distribution；
The outer wall of described little steel pipe (10) is respectively equipped with equally distributed with the outer wall of shearing resistance steel pipe (11)
Peg (12).
A kind of multitube composite steel column the most according to claim 1, it is characterised in that: described main steel
The top of pipe (4) is provided with Embedded shrouding (13), and the inner on described main steel pipe (4) top is provided with
Upwardly extending fixed plate (14), the long connecting plate of described bar shaped (5), interpolation cross strength plate (7) are respectively
Fix with fixed plate (14), the top of the long connecting plate of described bar shaped (5), the short connecting plate of bar shaped (8)
The top of top and interpolation cross strength plate (7) be same level EDS maps.
A kind of multitube composite steel column the most according to claim 1, it is characterised in that: described outer shroud
Dividing plate (2) is positioned at the rule of the upper end of main steel pipe (4), described column base plate (1) and outer shroud dividing plate (2)
Lattice are equal, are respectively equipped with froth breaking hole (15) in described steel column built-in inserted plate (6) and outer shroud dividing plate (2).
A kind of multitube composite steel column the most according to claim 1, it is characterised in that: described main steel
Pipe (4) outer end wall is provided with the connecting plate (9) of three shape distributions that are evenly distributed, the short connection of described bar shaped
Plate (8) is distributed with connecting plate (9) perpendicular shape, and described shear key (3) enters with little steel pipe (10)
Row distribution, the quantity of described little steel pipe (10) is equal with the quantity of shearing resistance steel pipe (11).
A kind of multitube composite steel column the most according to claim 1, it is characterised in that: described main steel
The outer wall on pipe (4) top is provided with lifting otic placode (16).
6. according to a kind of multitube composite steel column described in claim 1, it is characterised in that: described connecting plate
(9) thickness of slab is 36mm, the long connecting plate of described bar shaped (5) and the thickness of slab of the short connecting plate of bar shaped (8)
It is respectively 50mm.
7. according to the system of a kind of multitube composite steel column described in claim 1 or 2 or 3 or 4 or 5 or 6
Make method, it is characterised in that sequentially include the following steps:
(1), main steel pipe assembles:
1, the information of the numbering of 4 main steel pipes, material, specification is checked, fixed to assembling location line,
Control the perpendicularity of main steel pipe and column base plate, carry out positioning welding and fix；
2, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe welds the most simultaneously, and welding is adopted
Use CO2Gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Postwelding local adds heat straightening post
Base plate, locally heating-up temperature preferably controls at 750 DEG C～850 DEG C, the highest must not exceed 900 DEG C；Ensure at the bottom of post
The flatness of plate, meet design tolerance≤1.0mm；Detect the perpendicularity of main steel pipe and column base plate not
More than 3.0mm；
Table 1.1 CO2 gas shielded arc welding welding condition
(2), main steel pipe assembles with the long connecting plate of bar shaped:
1, long for bar shaped connecting plate is hung on assembling jig frame, bar shaped long connecting plate groove towards outside main steel pipe,
Alignment assembles location line, and the linearity and the long connecting plate of bar shaped that control the long connecting plate of bar shaped are vertical with column base plate
Degree is not more than 3.0mm, then carries out positioning welding and fixes；
2, the long connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped long connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than
22；Control temperature between per pass weld seam road and be more than preheating temperature, but less than 230 DEG C.
(3), outer shroud dividing plate assembles:
1, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assemble location line, control outer shroud dividing plate with
The depth of parallelism of main steel pipe perpendicularity and outer shroud dividing plate and column base plate, outer shroud dividing plate must not be big with the column base plate depth of parallelism
In 0.05mm；Then carry out positioning welding to fix；
2, the welding of outer shroud dividing plate uses CO2Gas shielded arc welding, takes even numbers workman's symmetrical rotary welding, postwelding
Local adds heat straightening outer shroud dividing plate；
(4), interpolation cross strength plate assembles:
1, interpolation cross strength plate and steel column internal partition assembly welding are first carried out, it is ensured that in interpolation cross strength plate and steel column
The weld seam welding of dividing plate completes；
When interpolation cross strength plate and steel column internal partition assembly welding, it should be ensured that the interpolation cross strength plate after assembly welding and main steel
The groove of pipe weld seam connects side, steel column internal partition and outer shroud dividing plate weld groove orientation column towards rear cover strip length
Base plate；
2, the interpolation cross strength plate positioned in alignment line after assembly welding is assembled, first weldering interpolation cross strength plate and main steel
The attachment weld of pipe, then welding steel column internal partition and the attachment weld of outer shroud dividing plate；
The welding of above-mentioned weld seam uses CO2 gas shielded flux cored wire welding, and welding condition is shown in Table 1.1；
(5), main steel pipe assembles with the short connecting plate of bar shaped:
1, short for bar shaped connecting plate is hung on assembled component, bar shaped short connecting plate groove towards outside main steel pipe,
Alignment assembles location line, carries out the assembling of each bar line short chain fishplate bar 7 successively, controls the flat of the short connecting plate of bar shaped
Row degree and the short connecting plate of bar shaped and the perpendicularity of column base plate, then carry out positioning welding and fix；The depth of parallelism must not
More than 0.05mm, perpendicularity cannot be greater than 3.0mm；
2, the short connecting plate of bar shaped and main steel pipe seam groove type are monolateral V-arrangement, and weld seam requires to be full penetration,
Welding uses CO2Gas shielded arc welding, bar shaped short connecting plate two side weld is symmetrically welded simultaneously；
3, for preventing welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, control between per pass weld seam road
Temperature is more than preheating temperature, but is less than 230 DEG C；
(6), little steel pipe assembles with connecting plate:
1, first positioned in alignment line assembles four sides connecting plate long with bar shaped and is connected, the connecting plate in centre position,
Control the perpendicularity of connecting plate, be welded and fixed；
2, centered by the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, right
Claim position weld seam to weld simultaneously；
(7), little steel pipe assembles:
1, with connecting plate assembly welding order；First positioned in alignment line assembles the little steel pipe in four centre positions, side, weldering
Connect fixing；
2, then centered by the little steel pipe in centre position, remaining little steel pipe is assembled to both sides.Carry out little steel
Pipe assembly welding, first weldering and connecting plate attachment weld, then weldering and outer shroud dividing plate and base plate attachment weld, weldering
Connecing and take CO2 gas shielded flux cored wire welding, welding condition is shown in Table 1.1；Local heating is used to rectify
Executing, the flatness correcting column base plate should meet tolerance≤1.0mm that existing national acceptance specification specifies；
(8), shear key at the bottom of post assembles:
Shear key at the bottom of post is corresponding with the little steel pipe of main steel pipe periphery, and shear key assembles the interposition from four sides
Put beginning, carry out to bilateral symmetry；
(9), peg assembles with lifting otic placode:
1, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is from inside to outside carried out；
2, first weld the peg on main steel pipe, secondly weld the peg on little steel pipe.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107268894A (en) * | 2017-07-31 | 2017-10-20 | 江苏沪宁钢机股份有限公司 | A kind of pair of pipe suspension column and preparation method thereof |
| CN108179839A (en) * | 2018-01-09 | 2018-06-19 | 中国建筑土木建设有限公司 | A kind of four round steel pipe coupled columns and preparation method thereof |
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| CN202055413U (en) * | 2011-04-18 | 2011-11-30 | 江苏沪宁钢机股份有限公司 | Huge column shaped like double Chinese character YA |
| CN105040810A (en) * | 2015-07-28 | 2015-11-11 | 广东省建筑设计研究院 | Connecting node suitable for framed shear wall structure reverse construction method |
| CN205840141U (en) * | 2016-06-30 | 2016-12-28 | 浙江东南网架股份有限公司 | A kind of multitube composite steel column |
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| CN2549080Y (en) * | 2002-05-21 | 2003-05-07 | 中山市雅立洁具有限公司 | Improved structure of sectional materials |
| NL1026427C2 (en) * | 2004-06-16 | 2005-12-19 | Lunado B V | System construction comprises multiple number of parallel positioned pipes and has distance holder with coupling devices |
| CN202055413U (en) * | 2011-04-18 | 2011-11-30 | 江苏沪宁钢机股份有限公司 | Huge column shaped like double Chinese character YA |
| CN105040810A (en) * | 2015-07-28 | 2015-11-11 | 广东省建筑设计研究院 | Connecting node suitable for framed shear wall structure reverse construction method |
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| CN107268894A (en) * | 2017-07-31 | 2017-10-20 | 江苏沪宁钢机股份有限公司 | A kind of pair of pipe suspension column and preparation method thereof |
| CN107268894B (en) * | 2017-07-31 | 2022-10-11 | 江苏沪宁钢机股份有限公司 | Double-round-pipe column base and manufacturing method thereof |
| CN108179839A (en) * | 2018-01-09 | 2018-06-19 | 中国建筑土木建设有限公司 | A kind of four round steel pipe coupled columns and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105926856B (en) | 2018-03-23 |
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