CN203640162U - Thick plate composite steel column in Chinese character Ri shape - Google Patents
Thick plate composite steel column in Chinese character Ri shape Download PDFInfo
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- CN203640162U CN203640162U CN201320442542.5U CN201320442542U CN203640162U CN 203640162 U CN203640162 U CN 203640162U CN 201320442542 U CN201320442542 U CN 201320442542U CN 203640162 U CN203640162 U CN 203640162U
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Abstract
The utility model discloses a thick plate composite steel column in a Chinese character Ri shape. The thick plate composite steel column comprises a box body, a clapboard and a bracket, wherein one clapboard is arranged, one box body is arranged, the cross section of the box body is rectangular, the clapboard is fixed in the box body, and the clapboard and the box body are combined to a box-shaped column with a cross section in Chinese character Ri shape; the bracket is transverse H-shaped and is fixed on the outer surface of the box body. The utility model further discloses a making method of the thick plate composite steel column in Chinese character Ri shape. The thick plate composite steel column disclosed by the utility model has a simple structure and strong bearing capacity, can connect super long and overweight members, solves the factory production problem, greatly accelerates the making progress and shortens the construction period; meanwhile, the reasonable segmented design decreases the welding difficulty and workload.
Description
Technical field
The utility model belongs to a kind of steel work, is specially a kind of day font slab combination steel column.
Background technology
People Daily agency will complete in new building in Jin Tai West Road, East 3rd Ring Road, Beijing No. 2, be in CBD(central business district, Beijing) core position of expansion to the east, respond to and cooperate with each other across a great distance with the Chinese Central Television (CCTV) (CCTV) building of completion recently.Overall building size reaches 135797 square metres, by International Conference Centre, and library, a series of building such as BaoYe Building forms.
This engineering is the Super High structure that typical case's band supports, formed by housing and inside casing core core cylinder, core core cylinder all adopts steel structure system, for length long (up to 148.3 meters), thickness of slab is large, and which kind of structure the core core cylinder of Heavy Weight adopts to reach that materials are few, weight capacity is strong, simple for structure, and realize batch production production and processing make be all a huge difficult problem.
Summary of the invention
Utility model object: in order to solve the problems of the prior art, the utility model provides a kind of day font slab to combine steel column and preparation method thereof.
Technical scheme: to achieve these goals, a kind of day described in the utility model font slab combination steel column, comprise casing, dividing plate, bracket, one, described dividing plate, one of casing, described casing cross section is rectangle, described dividing plate is fixed on the inside of casing, and dividing plate and box body combinations cross section are the box column that " day " word forms; Described bracket is I shape, is fixed on the external surface of casing.
Bracket described in the utility model is I shape, and bracket comprises: the first bracket, the second bracket, the 3rd bracket, the 4th bracket and Wuniu leg; Described the first bracket is fixed on the upper surface of casing, and with the scope of upper surface angulation a be 120 °-150 °; Described the second bracket is positioned at the left side of the first bracket and is fixed on the upper surface of casing, and with the scope of upper surface angulation b be 120 °-170 °; Described the 3rd bracket is fixed on the left outer surface of casing, with the scope of the left outer surface angulation c of casing be 45 °-70 °; Described the 4th bracket is fixed on the soffit of casing, with the scope of the soffit angulation d of casing be 90 °-120 °; Described Wuniu leg is fixed on the right side external surface of casing, with the scope of the right side external surface angulation e of casing be 90 °-120 °.
Within described in the utility model day, font slab combination steel column also comprises interior stiffener, and described interior stiffener is positioned at box house, and perpendicular to dividing plate.
The preparation method that the invention also discloses a kind of day font slab combination steel column, the concrete steps of the method are as follows:
(1) choose steel plate, according to figure paper size, steel plate is pressed into: box assembly, dividing plate, web and bracket assembly; Described box assembly comprises: a base plate, a cover plate, two blocks of webs; Described bracket assembly comprises: upper plate, lower plate and intermediate plate, and described upper plate is parallel with lower plate, and described intermediate plate is perpendicular to upper plate, and described upper plate, lower plate and intermediate plate form I-shaped;
(2) make the installation moulding bed of large-scale order font slab combination box column;
(3) grid spacer on moulding bed is being installed;
(4) location of box assembly web and base plate; After the wing plate of H type rod member and web blanking, should mark frange plate width centreline and the position line with web assembling, and carry out the assembled of H type rod member as benchmark.H type rod member is assembled on H shaped steel assembling machine and carries out automatic assembling.Assembled front frange plate assembling position and web groove place are polished, until expose metallic luster;
(5) assembling of cover plate, adopts H shaped steel manipulator assembling positioning cover plate, due to cover plate wider width, produces excessive angular deformation when preventing cover plate welding, and cover plate should arrange local support before welding;
(6) cover plate, dividing plate and base plate form H shaped steel, welding ends while symmetry to the H shaped steel forming heats, add thermal recovery ceramic electric heater and carry out, welding adopts Lincoln weld welding machine in gantry to weld, and welding sequence adopts first welds the welding sequence of welding little groove face after large groove; Weld casing, cover plate and base plate have been carried out to the rectification of straightness accuracy and planeness;
(7) dividing plate assembly welding, dividing plate adopts CO
2three weld all arounds are carried out in gas protection weldering, and postwelding is local to be corrected;
(8) assembly welding of the web in casing, first carries out the welding of four longitudinal joints in casing outside, first adopts CO
2automatically bottoming welding, then adopts two arc double wire hidden arc weldings to carry out cover welding, adopts symmetrical welding method and constraint welding method control welding deformation, and last butt welded seam is detected a flaw;
(9) dividing plate electroslag welding place accounts for hole: after casing longitudinal seam welding completes, according to the position line on thickness of slab, the position line of diaphragm is marked, and mark the involutory position line, the involutory mark during as end mill, then holes to casing;
(10) dividing plate is carried out to electroslag welding welding, after boring, adopt Europe, the Taiwan electroslag welder streamline of quenching to carry out slag Welding, after welding, remove arc initiation device, by smooth the weld seam end welding seam grinding that closes up;
(11) casing is corrected, and after welding box body completes, carries out preliminary surveying on horizontal moulding bed, and the straightness accuracy to box deformation place, local planeness, side sway are carried out flame straightening;
(12) casing center line and end surplus line are rule: in detection platform, casing is positioned, marks the center line of two directions of casing, simultaneously taking dividing plate zygonema is marked to the first surplus line of end of casing two ends as benchmark, and strike foreign punch mark;
(13) casing end end mill processing: adopt face miller to carry out machine to tank ends face, make casing end face vertical with casing center line, can effectively ensure the geometrical length size degree of casing;
(14) carrying out bracket installation site line in tank surface rules;
(15) assembly welding bracket: welding adopts CO
2gas protection weldering is symmetrically welded, and strictly controls relative position, verticality and the high-strength bolt hole group of bracket and the distance of casing center line, makes error be less than 5mm.
The day font slab combination steel column that is provided with described interior stiffener in the present invention, when making, described interior stiffener is stiffener in rear location, dividing plate location; Stiffener in welding when welding diaphragm.
Described in method described in the utility model, the welding method of electroslag welding is as follows:
(A) before weldering, prepare
(1) welding equipment: adopt Europe, the Taiwan special BOX welding streamline of SESNET-W of quenching, welding adopts insolubility tip, and welding wire adopts TSE-50G, solder flux adopts knot SH331;
(2) adopt radial drill to get out welding hole, in the middle of boring procedure, should use air cooling, do not allow to adopt water cooling, should adopt different aperture processing according to the dividing plate of different-thickness, occupy mentioned above principle, lifting segmentation is as the criterion with a direction in bidirectional crossed elongated supervisor while division, parallel division, after division, point intersegmental be that elongated supervisor is passed through mutually supervisor with other, directly supportted, welding between diagonal brace, be conducive to on-the-spot lifting;
(3) after welding hole processes, the residual dirt of meeting or greasy dirt in welding hole, therefore, should first remove the foreign material in welding hole with wooden stick before welding, and be aided with gases at high pressure removing, and greasy dirt is removed by the method for flame heated baking, can carry out heated baking with grilled gun;
(B) electroslag welding welding arranges
(1) ejector is installed: make ejector with brass, be positioned over welding bead upper end, before installation, about φ 150 scopes around welding hole should be polished flat, while making to weld, slag liquid is difficult for outflow;
(2) before welding, welding wire is inserted in consumable nozzle, check that whether welding wire is straight, whether be positioned at the center of consumable nozzle, and according to circumstances make respective handling; Welding wire stretches out the about 5mm of consumable nozzle end;
(3) arc initiation device is installed: arc initiation device is striking copper cap, make with brass, welding hole center is aimed at Jiang Qikong center, the high about 10mm of the front recess dispenser at arc initiation device of weldering, granularity is the striking agent of φ 1 × 1mm, the solder flux of the higher about 15mm of dispenser, after package unit centring, be put in weld bond lower end, and hold out against with jack;
(C) welding
(1) electroslag welding welding: start electroslag welder, the electric arc that ignites, after flux melts, forms slag; In welding process, according to the suitable adjusting fusing mouth of panel color or the locus of welding gun, make it in centre, molten bath, smooth combustion, prevents from burning, and the supplementary solder flux suitable according to the degree of depth of slag bath, keeps the about 30-60mm of depth of slag bath;
(2) weld seam ending: when welding proceeds to while drawing the stage, should not bleed off at once slag, and should ensure the suitable length of drawing;
(D) after ending, slag bath should not bleed off immediately, in order to avoid produce crack.
In described step (C) weld seam when ending,, in order effectively to prevent shrinkage cavity and the crater crack at ending place, can adopt interrupted wire feed, and/or reduce gradually electric current and voltage until the method for power-off.
In method described in the utility model, the stress reduction method of welding is adopted to sand washing rust removal method, heating Jian Ying district method.
The concrete grammar that described sand washing rust removal method eliminates stress is: in the time that sand washing eliminates rust, the iron sand Shu Gaoda 2500MP/cm2 of ejection, with iron sand bundle to member welding joints and heat affected zone thereof repeatedly, impact uniformly, except reaching rust cleaning effect, also can eliminate the stress of member.
The concrete grammar that described heating Jian Ying district method eliminates stress is: after member completion, at its weld seam back or weld seam two sides toast, this method is correction component angular deformation effectively, residue stress also can effectively disappear.
Beneficial effect:
1, described in the utility model simple in structure, weight capacity is strong, has realized the connection of overlength, overweight steel member; Solved the problem that batch production is produced, greatly accelerated the progress of making, shortened the duration, reasonably segment design has reduced difficulty and the workload of welding simultaneously.
2, in method described in the utility model, adopted rational assembling sequence, electroslag welding welding procedure, welding stress are subdued scheme, have effectively ensured the making quality of steel member.
brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 3 is the sectional view of embodiment in the utility model.
detailed description of the invention
A kind of day font slab combination steel column as illustrated in fig. 1 and 2, comprise casing 1, dividing plate 2, bracket 3 and interior stiffener 4, one, described dividing plate, one of casing, described casing cross section is rectangle, described dividing plate is fixed on the inside of casing, and dividing plate and box body combinations cross section are the box column that " day " word forms; Described interior stiffener 4 is positioned at casing 1 inside, and perpendicular to dividing plate 2; Described bracket 3 is I shape, is fixed on the external surface of casing 1; Described bracket 3 is I shape, and bracket 3 comprises: the first bracket 31, the second bracket 32, the 3rd bracket 33, the 4th bracket 34 and Wuniu leg 35; Described the first bracket 31 is fixed on the upper surface of casing 1, and with the scope of upper surface angulation a be 120 °; Described the second bracket 32 is positioned at the left side of the first bracket and is fixed on the upper surface of casing, and with the scope of upper surface angulation b be 150 °; Described the 3rd bracket 33 is fixed on the left outer surface of casing 1, with the scope of the left outer surface angulation c of casing be 60 °; Described the 4th bracket 34 is fixed on the soffit of casing 1, with the scope of the soffit angulation d of casing be 110 °; Described Wuniu leg 35 is fixed on the right side external surface of casing 1, with the scope of the right side external surface angulation e of casing be 120 °.
The preparation method of above-mentioned day font slab combination steel column, the concrete steps of the method are as follows:
(1) choose steel plate, according to figure paper size, steel plate is pressed into: box assembly, dividing plate, web and bracket assembly; Described box assembly comprises: a base plate, a cover plate, two blocks of webs; Described bracket assembly comprises: upper plate, lower plate and intermediate plate, and described upper plate is parallel with lower plate, and described intermediate plate is perpendicular to upper plate, and described upper plate, lower plate and intermediate plate form I-shaped;
(2) make the installation moulding bed of large-scale order font slab combination box column;
(3) grid spacer and interior stiffener on moulding bed is being installed;
(4) location of box assembly web and base plate; After the wing plate of H type rod member and web blanking, should mark frange plate width centreline and the position line with web assembling, and carry out the assembled of H type rod member as benchmark.H type rod member is assembled on H shaped steel assembling machine and carries out automatic assembling.Assembled front frange plate assembling position and web groove place are polished, until expose metallic luster;
(5) assembling of cover plate, adopts H shaped steel manipulator assembling positioning cover plate, due to cover plate wider width, produces excessive angular deformation when preventing cover plate welding, and cover plate should arrange local support before welding;
(6) cover plate, dividing plate and base plate form H shaped steel, welding ends while symmetry to the H shaped steel forming heats, add thermal recovery ceramic electric heater and carry out, welding adopts Lincoln weld welding machine in gantry to weld, and welding sequence adopts first welds the welding sequence of welding little groove face after large groove; Weld casing, cover plate and base plate have been carried out to the rectification of straightness accuracy and planeness;
(7) assembly welding of dividing plate and interior stiffener, the welding equipment of dividing plate and interior stiffener adopts CO
2three weld all arounds are carried out in gas protection weldering, and postwelding is local to be corrected;
(8) assembly welding of the web in casing, first carries out the welding of four longitudinal joints in casing outside, first adopts CO
2automatically bottoming welding, then adopts two arc double wire hidden arc weldings to carry out cover welding, adopts symmetrical welding method and constraint welding method control welding deformation, and last butt welded seam is detected a flaw;
(9) dividing plate electroslag welding place accounts for hole: after casing longitudinal seam welding completes, according to the position line on thickness of slab, the position line of diaphragm is marked, and mark the involutory position line, the involutory mark during as end mill, then holes to casing;
(10) dividing plate is carried out to electroslag welding welding, after boring, adopt Europe, the special Taiwan electroslag welder streamline of quenching to carry out slag Welding, after welding, remove arc initiation device, by smooth the weld seam end welding seam grinding that closes up;
(11) casing is corrected, and after welding box body completes, carries out preliminary surveying on horizontal moulding bed, and the straightness accuracy to box deformation place, local planeness, side sway are carried out flame straightening;
(12) casing center line and end surplus line are rule: in detection platform, casing is positioned, marks the center line of two directions of casing, simultaneously taking dividing plate zygonema is marked to the first surplus line of end of casing two ends as benchmark, and strike foreign punch mark;
(13) casing end end mill processing: adopt face miller to carry out machine to tank ends face, make casing end face vertical with casing center line, can effectively ensure the geometrical length size degree of casing;
(14) carrying out bracket installation site line in tank surface rules;
(15) assembly welding bracket: welding adopts CO
2gas protection weldering is symmetrically welded, and strictly controls relative position, verticality and the high-strength bolt hole group of bracket and the distance of casing center line, makes error be less than 5mm.
The welding method of electroslag welding described in said method is as follows:
(A) before weldering, prepare
(1) welding equipment: adopt Europe, the Taiwan special BOX welding streamline of SESNET-W of quenching, welding adopts insolubility tip, and welding wire adopts TSE-50G, solder flux adopts knot SH331;
(2) adopt radial drill to get out welding hole, in the middle of boring procedure, should use air cooling, do not allow to adopt water cooling, should adopt different aperture processing according to the dividing plate of different-thickness, occupy mentioned above principle, lifting segmentation is as the criterion with a direction in bidirectional crossed elongated supervisor while division, parallel division, after division, point intersegmental be that elongated supervisor is passed through mutually supervisor with other, directly supportted, welding between diagonal brace, be conducive to on-the-spot lifting;
(3) after welding hole processes, the residual dirt of meeting or greasy dirt in welding hole, therefore, should first remove the foreign material in welding hole with wooden stick before welding, and be aided with gases at high pressure removing, and greasy dirt is removed by the method for flame heated baking, can carry out heated baking with grilled gun;
(B) electroslag welding welding arranges
(1) ejector is installed: make ejector with brass, be positioned over welding bead upper end, before installation, about φ 150 scopes around welding hole should be polished flat, while making to weld, slag liquid is difficult for outflow;
(2) before welding, welding wire is inserted in consumable nozzle, check that whether welding wire is straight, whether be positioned at the center of consumable nozzle, and according to circumstances make respective handling; Welding wire stretches out the about 5mm of consumable nozzle end;
(3) arc initiation device is installed: arc initiation device is striking copper cap, make with brass, welding hole center is aimed at Jiang Qikong center, the high about 10mm of the front recess dispenser at arc initiation device of weldering, granularity is the striking agent of φ 1 × 1mm, the solder flux of the higher about 15mm of dispenser, after package unit centring, be put in weld bond lower end, and hold out against with jack;
(C) welding
(1) electroslag welding welding: start electroslag welder, the electric arc that ignites, after flux melts, forms slag; In welding process, according to the suitable adjusting fusing mouth of panel color or the locus of welding gun, make it in centre, molten bath, smooth combustion, prevents from burning, and the supplementary solder flux suitable according to the degree of depth of slag bath, keeps the about 30-60mm of depth of slag bath;
(2) weld seam ending: when welding proceeds to while drawing the stage, should not bleed off at once slag, and should ensure the suitable length of drawing; In order effectively to prevent shrinkage cavity and the crater crack at ending place, can adopt interrupted wire feed and reduce gradually electric current and voltage until the method for power-off finish up;
(D) after ending, slag bath should not bleed off immediately, in order to avoid produce crack.
In the present embodiment, after welding, adopt sand washing rust removal method and heating Jian Ying district method for subduing of welding stress; The concrete grammar that described sand washing rust removal method eliminates stress is: in the time that sand washing eliminates rust, and the iron sand Shu Gaoda 2500MP/cm of ejection
2, with iron sand bundle to member welding joints and heat affected zone thereof repeatedly, impact uniformly.The concrete grammar that described heating Jian Ying district method eliminates stress is: after member completion, at its weld seam back or weld seam two sides toast.
Claims (3)
1. a day font slab combination steel column, it is characterized in that: comprise casing (1), dividing plate (2), bracket (3), one, described dividing plate, one of casing, described casing cross section is rectangle, described dividing plate is fixed on the inside of casing, and dividing plate and box body combinations cross section are the box column that " day " word forms; Described bracket (3) is I shape, is fixed on the external surface of casing (1).
2. according to claim 1 day font slab combination steel column, it is characterized in that: described bracket (3) is I shape, and bracket (3) comprising: the first bracket (31), the second bracket (32), the 3rd bracket (33), the 4th bracket (34) and Wuniu leg (35);
Described the first bracket (31) is fixed on the upper surface of casing (1), and with the scope of upper surface angulation a be 120 °-150 °; Described the second bracket (32) is positioned at the left side of the first bracket and is fixed on the upper surface of casing, and with the scope of upper surface angulation b be 120 °-170 °; Described the 3rd bracket (33) is fixed on the left outer surface of casing (1), with the scope of the left outer surface angulation c of casing be 45 °-70 °; Described the 4th bracket (34) is fixed on the soffit of casing (1), with the scope of the soffit angulation d of casing be 90 °-120 °; Described Wuniu leg (35) is fixed on the right side external surface of casing (1), with the scope of the right side external surface angulation e of casing be 90 °-120 °.
3. according to claim 1 day font slab combination steel column, is characterized in that: comprise interior stiffener (4), described interior stiffener (4) is positioned at casing (1) inside, and perpendicular to dividing plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442542.5U CN203640162U (en) | 2013-07-24 | 2013-07-24 | Thick plate composite steel column in Chinese character Ri shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320442542.5U CN203640162U (en) | 2013-07-24 | 2013-07-24 | Thick plate composite steel column in Chinese character Ri shape |
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| Publication Number | Publication Date |
|---|---|
| CN203640162U true CN203640162U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320442542.5U Expired - Lifetime CN203640162U (en) | 2013-07-24 | 2013-07-24 | Thick plate composite steel column in Chinese character Ri shape |
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| CN (1) | CN203640162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343592A (en) * | 2013-07-24 | 2013-10-09 | 江苏沪宁钢机股份有限公司 | Large closed E-shaped thick plate built-up box type column and production method thereof |
| CN108612259A (en) * | 2018-06-28 | 2018-10-02 | 济南轨道交通集团有限公司 | A kind of easy-to-dismount assembled lattice column and application method |
-
2013
- 2013-07-24 CN CN201320442542.5U patent/CN203640162U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103343592A (en) * | 2013-07-24 | 2013-10-09 | 江苏沪宁钢机股份有限公司 | Large closed E-shaped thick plate built-up box type column and production method thereof |
| CN103343592B (en) * | 2013-07-24 | 2015-12-23 | 江苏沪宁钢机股份有限公司 | A kind of large-scale day font slab combination box column and preparation method thereof |
| CN108612259A (en) * | 2018-06-28 | 2018-10-02 | 济南轨道交通集团有限公司 | A kind of easy-to-dismount assembled lattice column and application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |