CN106623529A - Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method - Google Patents
Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method Download PDFInfo
- Publication number
- CN106623529A CN106623529A CN201610777988.1A CN201610777988A CN106623529A CN 106623529 A CN106623529 A CN 106623529A CN 201610777988 A CN201610777988 A CN 201610777988A CN 106623529 A CN106623529 A CN 106623529A
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- plate
- spiral
- web
- section
- base plate
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/06—Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/02—Stairways; Layouts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Steps, Ramps, And Handrails (AREA)
Abstract
The invention belongs to the technical field of construction steel structures, and particularly relates to a solid-web large-section spiral stair box girder shaped like a Chinese character ''mu'' and a manufacturing method. The box girder is defined by a large-section spiral face bottom plate, four middle and side twisted webs and top small-section strip-shaped spiral face cover plates. The spiral face bottom plate is a super-wide panel with the spiral curved face ascending in appearance. The four twisted webs are equal in width and are uniformly and vertically distributed on the surface of the spiral face bottom plate at equal intervals. The spiral face cover plates are embedded between the twisted webs, and the upper surfaces of the spiral face cover plates are flush with the tops of the twisted webs. By adoption of the solid-web large-section spiral stair box girder shaped like the Chinese character ''mu'', the design and manufacturing of a steel girder structure of a solid-web twisted stair are achieved, and the box girder has the advantages of simple and reasonable structural design and the like.
Description
Technical field
The invention belongs to construction steel structure technical field, and in particular to a kind of steel flanged beam heavy in section spiral stairses mesh font case
Beam and preparation method.
Background technology
With flourishing for construction steel structure, receive the advantages of steel construction spiral stairses are with its beautiful design, high-strength light
To numerous building designers favor.Conventional spiral stairses typically using both sides set up small bore case girder steel, middle hollow out and it is direct
Step plate is set up on top, the class formation is seen visually exist disappearance sense outside, gives the exclamation of blemish in an otherwise perfect thing.
In view of this, the applicant provides a kind of steel flanged beam heavy in section spiral stairses mesh font box beam and preparation method, will
Bottom spiral girder steel is linked to be entirety, forms powerful visual impact, and thus this case produces.
The content of the invention
The first object of the present invention is to provide the applicant to provide a kind of steel flanged beam heavy in section spiral stairses mesh font case
Beam, to solve to rotate steel stair beam section Structure Designing Problem.
For achieving the above object, concrete technical scheme of the invention is：A kind of steel flanged beam heavy in section spiral stairses mesh font
Box beam, including heavy in section helicoid base plate, the bending web and the spiral cover of top small bore bar shaped of middle and side
Plate is enclosed and formed；The helicoid base plate is one piece of profile ultra-wide panel that helically curved surface rises；The bending web amounts to
Four pieces and width is equal, and be vertically equidistantly uniformly distributed in helicoid base surface；The spiral surface cover is embedded in each curved
Turn round between web and upper surface is concordant with each bending web top.
Further, one stull dividing plate is set every 3m inside the mesh font box beam.
Further, the spiral surface cover upper surface arranges symmetrical saddle, and step plate is set up on saddle.
Further, institute's saddle and step plate are presented radial distribution along stair rotation axis.
The second object of the present invention is to provide a kind of steel flanged beam heavy in section spiral stairses mesh font box beam preparation method, bag
Include following steps：
（1）Bending web roll-in is preforming：According to plate directional information, bending is carried out to plate using three roller furling plate round machine and is rolled；
On plate during furling plate round machine, it is ensured that the central axis of furling plate round machine roller-way is parallel with plate edge rolling line；
（2）Helicoid base plate is preforming：Ultra-wide helicoid base plate curved surface forming is carried out using mouldless shaping machine, plus man-hour will calculate
Machine spiral camber model is imported in mouldless shaping controller, adjusts mould bolster Surface Parameters and its shape, passed examination
After carry out base plate precompressed；
（3）Put ground sample and set up moulding bed：According to in-depth figure, projection line is marked on levelling bench；According to contour projection and control
System point placement moulding bed, sets up the horizontal paving level board of vertical rod；
（4）Helicoid base plate size precision is corrected：Heavy in section helicoid base plate ultra-wide, after mouldless shaping precompressed, size essence
There is deviation in degree, need to carry out secondary flame straightening；Floor is held on moulding bed during correction, according to the horizontal position on plate ground sample
Short transverse size on size and moulding bed column is put, spiral camber is molded using flame heat distortion method；
（5）The bending web of inside middle is installed：The position line according to drawing on early stage base plate carries out two pieces of bendings of inside middle
The assembling of web, then installs lateral partitions, in order to position bending web；
（6）Both sides bending web and spiral surface cover are installed：Two side bending webs are installed, internal hidden weld seam welding is carried out,
Cover spiral surface cover after seam inspection is qualified successively；
（7）Integral solder order：Rational sequence is arranged according to component feature.
Beneficial effects of the present invention：
First, spiral stairses box beam bottom is linked as entirety by the present invention, and figure appearances are graceful and monolithic devices is strong, solves rotation in the past
Stair invar beam section is little, middle part hollow out causes the goodish problem of constructional appearance, rationally solves spiral stairses structure
Part cross section structure design problem.
2nd, the present invention to member section web, upper and lower panel through and segmented version carried out classifying rationally, meet
On the basis of design stress and relative configurations specification, processing and fabricating was both facilitated, weld seam welding deformation had been reduced again.
3rd, it is of the invention according to plate curved form and mechanically actuated feature, to upper and lower panel helicoid, web bending curved surface
Mouldless shaping precompressed, two kinds of forming methods of furling plate round machine rolling is taken to carry out respectively preforming, rationally effectively, high degree is facilitated
Making on plate later stage moulding bed.
Description of the drawings
Fig. 1 is the structural representation of the present invention；Fig. 2 is the axonometric drawing of the present invention；Fig. 3 be the present invention helicoid base plate without
Contour forming precompressed schematic diagram；Fig. 4 is the bending web furling plate round machine roll-in schematic diagram of the present invention；Fig. 5 is the moulding bed assembling of the present invention
Axonometric drawing；Fig. 6 is the member welding joints order matters figure of the present invention.
Specific embodiment
As shown in figures 1 to 6, what the present invention was disclosed is a kind of steel flanged beam heavy in section spiral stairses mesh font box beam, including mesh word
Molding box body, saddle 6 and step plate 5.The mesh font casing is by heavy in section helicoid base plate 1, both sides and middle bending web（2,
3）And top small bore bar shaped spiral surface cover 4 is enclosed and formed.Heavy in section helicoid base plate 1 be one piece of profile helically
The ultra-wide panel that curved surface rises；The centre and side bending web（2,3）, four pieces and width is equal altogether, it is vertical equidistantly
It is uniformly distributed on the upper surface of helicoid base plate 1；The top bar shaped helicoid cover plate 4, is embedded in each web（Both sides bending abdomen
Plate 2 and middle bending web 3）Between and upper surface and each bending web（2、3）Top is concordant.
The each bending web of the mesh font box house（2、3）Between every 3m arrange one stull dividing plate 7.
Mesh font box beam lid surface arranges symmetrical saddle 6, sets up step plate 7 on saddle, the saddle 6 and marks time
Plate 7 is presented radial distribution along stair rotation axis.
A kind of steel flanged beam heavy in section spiral stairses mesh font box beam preparation method, comprises the steps：Step one, such as Fig. 3
It show the preforming of helicoid base plate 1 and spiral surface cover 4.
(1). after the completion of the blanking of plate, using oil fountain pen identification characteristics point（Four end points）, while in helicoid base plate
The position location line of bending web 3 in the middle of drawing on 1, to facilitate the assembling positioning of both sides bending web 2.
. plus man-hour first by spiral camber model data import mouldless shaping and central controller in, mould in adjustment
The short transverse position of plate 8, the drift of lower template 9, forms spiral camber upper and lower mould.Dimensional gaughing is qualified, the fan-shaped hair that will launch
Blank is sling compacting.
Step 2, it is illustrated in figure 4 bending web（2、3）Roll-in is preforming.
(1). plate blanking and line
After the completion of the blanking of plate, to characteristic point（Four end points）It is identified, for plate two ends during edge rolling and interior outside
Direction identification.
(2). according to plate directional information, using three roller furling plate round machine 14 to plate（Middle bending web 3
With both sides bending web 2）Carry out bending to roll.On plate during furling plate round machine, it is ensured that the central axis 10 of furling plate round machine 14 and plate
Edge rolling line 12（That is end edge line 11）Direction is parallel.In coiling process, plate conveying direction is vertical with roller-way central axis 10,
As shown in the mark 13 in Fig. 4.Correspondence drawing is noted during edge rolling, rolling plate into longitudinal direction and positive and negative is confirmed.
Step 3, be illustrated in figure 5 mesh shaped girder steel assembling work flow.
(1). put ground sample and set up moulding bed
1.. according to in-depth full-size drawing, the outline projection line 16 of stair, including body port, bottom wing are marked on levelling bench 15
The important controlling positions such as plate, two coxostermums, and sample dotting punch is stamped to important.
2.. moulding bed is placed according to contour projection and control point, moulding bed vertical rod 17, transverse horizontal plate 18 is set up.
(2). the dimensional accuracy of helicoid base plate 1 is corrected
The ultra-wide of heavy in section helicoid base plate 1（Width is minimum to be not less than 1.5m）, after mouldless shaping precompressed, dimensional accuracy is present
Deviation, need to carry out secondary flame straightening.Floor is held on moulding bed during correction, according to the horizontal level size on plate ground sample
And short transverse size on moulding bed column, spiral camber is molded using flame heat distortion method.Flame heating means are adopted
Point-like is heated, and hot spot should be uniformly distributed according to pivot in fan shape, and such as point-like school, fire is illustrated shown in 19.
(3). bending web 3 in the middle of installing
The middle position line of bending web 3 according to drawing on early stage base plate carries out the assembling of middle bending web 3, then installs horizontal
To dividing plate 7.
(4). both sides bending web 2 and spiral surface cover 4 are installed
Both sides bending web 2 is installed, internal hidden weld seam welding is carried out, spiral surface cover 4 is covered after seam inspection is qualified successively.
Step 4, be illustrated in figure 6 mesh shaped girder steel main body weld seam integral solder order.
（1）. 1. according to matching requirements, weld seam is welded between lower wing plate and middle bending web 3 first, weld groove direction
Inwardly, it is to reduce deformation, can first welds weld seam between middle vertical baffle and lower wing plate, web, plays temporary support effect；
Postwelding corrects angular deformation.
（2）. to 2., 3., 4. weld seam carries out bottoming, upper flange is then welded with the middle weld seam of bending web 3 2., during welding
It is symmetrically welded, to reduce deformation.
（3）. 3., finally weld seam welds weld seam between upper flange and side plate between welding both sides bending web 2 and lower wing plate
④。
The product form and style of above-described embodiment and schema and the non-limiting present invention, any art it is common
Appropriate change or modification that technical staff is done to it, all should be regarded as the patent category without departing from the present invention.
Claims (5)
1. a kind of steel flanged beam heavy in section spiral stairses mesh font box beam, it is characterised in that：Including heavy in section helicoid base plate, in
Between and the bending web of side and the spiral surface cover of top small bore bar shaped enclose and form；The helicoid base plate is one piece
The profile ultra-wide panel that helically curved surface rises；The bending web amounts to four pieces and width is equal, and vertical equidistantly uniform
It is distributed in helicoid base surface；The spiral surface cover is embedded between each bending web and upper surface and each bending web top
Portion is concordant.
2. a kind of steel flanged beam heavy in section spiral stairses mesh font box beam according to claim 1, it is characterised in that：The mesh
One stull dividing plate is set every 3m inside font box beam.
3. a kind of steel flanged beam heavy in section spiral stairses mesh font box beam according to claim 1, it is characterised in that：The spiral shell
Radial facing cover plate upper surface arranges symmetrical saddle, and step plate is set up on saddle.
4. saddle according to claim 3 and step plate, it is characterised in that：Institute's saddle and step plate are along stair rotary shaft
Line is presented radial distribution.
5. a kind of steel flanged beam heavy in section spiral stairses mesh font box beam preparation method, it is characterised in that：Comprise the steps,
（1）Bending web roll-in is preforming：According to plate directional information, bending is carried out to plate using three roller furling plate round machine and is rolled；
On plate during furling plate round machine, it is ensured that the central axis of furling plate round machine roller-way is parallel with plate edge rolling line；
（2）Helicoid base plate is preforming：Ultra-wide helicoid base plate curved surface forming is carried out using mouldless shaping machine, plus man-hour will calculate
Machine spiral camber model is imported in mouldless shaping controller, adjusts mould bolster Surface Parameters and its shape, passed examination
After carry out base plate precompressed；
（3）Put ground sample and set up moulding bed：According to in-depth figure, projection line is marked on levelling bench；According to contour projection and control
System point placement moulding bed, sets up the horizontal paving level board of vertical rod；
（4）Helicoid base plate size precision is corrected：Heavy in section helicoid base plate ultra-wide, after mouldless shaping precompressed, size essence
There is deviation in degree, need to carry out secondary flame straightening；Floor is held on moulding bed during correction, according to the horizontal position on plate ground sample
Short transverse size on size and moulding bed column is put, spiral camber is molded using flame heat distortion method；
（5）The bending web of inside middle is installed：The position line according to drawing on early stage base plate carries out two pieces of bendings of inside middle
The assembling of web, then installs lateral partitions, in order to position bending web；
（6）Both sides bending web and spiral surface cover are installed：Two side bending webs are installed, internal hidden weld seam welding is carried out,
Cover spiral surface cover after seam inspection is qualified successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777988.1A CN106623529A (en) | 2016-08-31 | 2016-08-31 | Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610777988.1A CN106623529A (en) | 2016-08-31 | 2016-08-31 | Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| CN106623529A true CN106623529A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610777988.1A Pending CN106623529A (en) | 2016-08-31 | 2016-08-31 | Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138869A (en) * | 2017-06-27 | 2017-09-08 | 中国冶集团有限公司 | A kind of sectional making method for being conducive to deep camber box-type section to rotate steel ladder |
| CN107386448A (en) * | 2017-08-28 | 2017-11-24 | 东莞港重机械设备有限公司 | High-altitude rotates the construction method of box girder construction |
| CN107649803A (en) * | 2017-09-29 | 2018-02-02 | 中国冶集团有限公司 | A kind of welding method of deep camber slab box rotation steel ladder casing |
| CN108555213A (en) * | 2018-05-14 | 2018-09-21 | 大冶特殊钢股份有限公司 | A kind of sealed planker girder steel of quick forging machine and installation method |
| CN109057366A (en) * | 2018-08-31 | 2018-12-21 | 中冶建工集团有限公司 | A kind of steel construction spiral stairs segmented assembly method |
| CN109531062A (en) * | 2018-11-23 | 2019-03-29 | 防城港中重工有限公司 | Uneven bending box-girder saw production method |
| CN110145122A (en) * | 2019-05-31 | 2019-08-20 | 南通华新建工集团有限公司 | A kind of spiral stairway mould plate supporting device |
| CN111067261A (en) * | 2019-12-27 | 2020-04-28 | 浙江新奕机械科技有限公司 | Rotary folding goods shelf stair |
| CN111119502A (en) * | 2019-12-30 | 2020-05-08 | 共享钢构有限责任公司 | Machining method of tool jig frame |
| CN111597613A (en) * | 2020-05-09 | 2020-08-28 | 中国二十二冶集团有限公司 | Method for modeling box-type ladder beam of rotary stair |
| CN112814295A (en) * | 2020-12-31 | 2021-05-18 | 中建钢构武汉有限公司 | Manufacturing method of prefabricated staircase beam section and prefabricated staircase section |
| CN113523628A (en) * | 2021-06-29 | 2021-10-22 | 中冶(上海)钢结构科技有限公司 | Method for reducing welding workload of closed space inside box-shaped member with cross section in shape of Chinese character mu |
-
2016
- 2016-08-31 CN CN201610777988.1A patent/CN106623529A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138869A (en) * | 2017-06-27 | 2017-09-08 | 中国冶集团有限公司 | A kind of sectional making method for being conducive to deep camber box-type section to rotate steel ladder |
| CN107386448A (en) * | 2017-08-28 | 2017-11-24 | 东莞港重机械设备有限公司 | High-altitude rotates the construction method of box girder construction |
| CN107649803A (en) * | 2017-09-29 | 2018-02-02 | 中国冶集团有限公司 | A kind of welding method of deep camber slab box rotation steel ladder casing |
| CN107649803B (en) * | 2017-09-29 | 2019-04-23 | 中国一冶集团有限公司 | A kind of welding method of deep camber slab box rotation steel ladder cabinet |
| CN108555213A (en) * | 2018-05-14 | 2018-09-21 | 大冶特殊钢股份有限公司 | A kind of sealed planker girder steel of quick forging machine and installation method |
| CN108555213B (en) * | 2018-05-14 | 2023-09-05 | 大冶特殊钢有限公司 | Sealed carriage steel beam of quick forging machine and installation method |
| CN109057366A (en) * | 2018-08-31 | 2018-12-21 | 中冶建工集团有限公司 | A kind of steel construction spiral stairs segmented assembly method |
| CN109531062A (en) * | 2018-11-23 | 2019-03-29 | 防城港中重工有限公司 | Uneven bending box-girder saw production method |
| CN110145122B (en) * | 2019-05-31 | 2021-01-01 | 天长市市政建筑有限责任公司 | Spiral stair template supporting device |
| CN110145122A (en) * | 2019-05-31 | 2019-08-20 | 南通华新建工集团有限公司 | A kind of spiral stairway mould plate supporting device |
| CN111067261A (en) * | 2019-12-27 | 2020-04-28 | 浙江新奕机械科技有限公司 | Rotary folding goods shelf stair |
| CN111119502A (en) * | 2019-12-30 | 2020-05-08 | 共享钢构有限责任公司 | Machining method of tool jig frame |
| CN111597613A (en) * | 2020-05-09 | 2020-08-28 | 中国二十二冶集团有限公司 | Method for modeling box-type ladder beam of rotary stair |
| CN111597613B (en) * | 2020-05-09 | 2022-09-13 | 中国二十二冶集团有限公司 | Method for modeling box type ladder beam of rotary stair |
| CN112814295A (en) * | 2020-12-31 | 2021-05-18 | 中建钢构武汉有限公司 | Manufacturing method of prefabricated staircase beam section and prefabricated staircase section |
| CN113523628A (en) * | 2021-06-29 | 2021-10-22 | 中冶(上海)钢结构科技有限公司 | Method for reducing welding workload of closed space inside box-shaped member with cross section in shape of Chinese character mu |
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Application publication date: 20170510 |