CN108723630A - The production method of helically twisted box - Google Patents
The production method of helically twisted box Download PDFInfo
- Publication number
- CN108723630A CN108723630A CN201810688538.4A CN201810688538A CN108723630A CN 108723630 A CN108723630 A CN 108723630A CN 201810688538 A CN201810688538 A CN 201810688538A CN 108723630 A CN108723630 A CN 108723630A
- Authority
- CN
- China
- Prior art keywords
- flange plate
- box
- web
- helically twisted
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The present invention relates to a kind of production methods of helically twisted box.Including drawing entire engineering model figure, component of the same race is sorted out, by the flange plate of different component, web distinguishes expansion setting-out, flange plate after expansion, web is segmented blanking respectively, on, bottom wing listrium uses the mould heat pressure molding made according to box-type member distortion profile size, web uses veneer reeling machine roll-forming, assembly mould of following an example is made respectively by different component, the flange plate for being segmented compression moulding is respectively placed on dedicated assembly mould and is spliced, welding, repairing makes it be fitted closely with mould, reassemble two coxostermums and internal partition, weld internal partition, assembly precision is by assembly mould and mould and babinet flange plate, the fitting clearance control of web, finally assemble other flange plate, cooperation finishing, assembly test, welding box-shaped main seam, postwelding is examined, component derusts, component application.The present invention can improve production efficiency, ensure the quality of production, meet assembly precision requirement.
Description
Technical field
The present invention relates to steel construction box-type member production method, the production method of specifically a kind of helically twisted box.
Background technology
The roof structure of overpass uses the structure type of space-time spiral, and moulding is unique, by 27 Pin spatial warping boxes
Roof system main joist is constituted, main joist degreeof tortuosity is big, and main joist is docked with main joist when installation, and appearance is unique, composition room
The critical piece of lid main joist is the helically twisted box of space-time, and the helically twisted box of space-time is by top flange plate, bottom wing listrium, both sides
Web and the parts composition such as internal partition, entire component is curved at space-time spiral torsional, to spiral torsional when main joist abutting joint
The production requirement precision of bent box is high, and the structures such as the helically twisted box of space-time and the column, beam, truss of common box-structure have larger
Difference, the production and processing method of the existing helically twisted box of space-time cannot be satisfied assembly precision requirement, and low production efficiency is raw
The helically twisted box of space-time that output is come is of poor quality, often occurs since dimensional accuracy problem causes difficult to install or can not install
The case where.
Invention content
Present invention seek to address that the above problem, can improve production efficiency to provide one kind, ensure the quality of production, satisfaction
The production method of the helically twisted box of group reload request.
The present invention solves described problem, the technical solution adopted is that：
A kind of production method of helically twisted box, carries out in accordance with the following steps：
Step 1 establishes all helically twisted box-type member models of full-bridge by three-dimensional drawing software, and to all spiral shells of full-bridge
Turn-knob song box-shaped structural member carries out classifying and numbering, and flange plate, the web that every class is turned round to helical curve box are unfolded respectively；
Step 2 is segmented blanking, and every section is numbered, to every according to process equipment ability to flange plate, the web of expansion
The internal partition of the helically twisted box of class carries out blanking；
Step 3 designs the appearance and size of flange plate hot pressing die according to the flange plate section length per the helically twisted box of class,
Hot pressing die is made of upper die and lower die, and upper die and lower die determine its section curvature according to babinet degreeof tortuosity, on upper die and lower die
It is provided with the positioning device of hot pressing flange plate；
The flange plate of segmentation is put into heating furnace by step 4, is heated to pass through hot pressing die using forcing press after set point of temperature
Hot-forming, web is rolled by veneer reeling machine；
Step 5, designs and produces the assembly mould of the helically twisted box of every class, and mould is not equal by one group of height, has and spiral torsional
Bent box flange plate and the positioning device of web cooperation and spaced apart holder composition；
Step 6, the holder that the hot-forming flange plate with certain warpage is layed in assembly mould successively according to number are enterprising
Row is assembled, and it is examined to be bonded gap between the holder of assembly mould, welds every section of flange plate after meeting the requirements, and is formed
Monoblock flange plate, repairs welding deformation on assembly mould；
Step 7 draws the position line of two coxostermums and internal partition on flange plate；
Step 8 assembles two coxostermums and internal partition according to position line, checks that flange plate, web are bonded with assembly mould
Gap, assembling deviation are welded after meeting the requirements, and postwelding repairs welding deformation on assembly mould, reassemble another edge of a wing
Plate welds and repairs welding deformation；
Step 9 carries out nondestructiving inspecting test to the main weld of the helically twisted box-type member of one integral piece；
Step 10 derusts to the helically twisted box-type member of one integral piece, application.
Using the present invention of above-mentioned technical proposal, compared with prior art, the feature protruded is：
1. production efficiency can be improved, ensures the quality of production, meet assembly precision requirement.
2. the edge of a wing Stress of plate interior using hot pressing die processing is small, appearance and size precision is high, and welding deformation is small, appearance and size
Easy to control, internal stress is small.
Preferably, the further technical solution of the present invention is：
In step 2, blanking is segmented to the flange plate of expansion, web, section length decile, to ensure the logical of flange plate and web
The property used.
In step 4, upper mold slowly pushes when hot pressing, should be kept at least ten minutes after being pressed onto position.
In step 5, helically twisted box is laid flat, multiple spot carries out it cutting and takes its cross section in the height direction, presses
Position and height according to each cross section determine the position of each holder of assembly mould and high low dimensional, and it is fixed to be welded on each holder
Position device, the upper surface of positioning device by the first bevel edge being bonded with flange plate, the concave edge being bonded with flange plate plate thickness side, erect
Straight flange, the second bevel edge being bonded with web are connected in sequence.
Description of the drawings
Fig. 1 is the main structure diagram of the helically twisted box-shaped structural member made by the embodiment of the present invention；
Fig. 2 is the overlooking structure diagram of the helically twisted box-shaped structural member made by the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of hot pressing die of the embodiment of the present invention；
Structural schematic diagram when Fig. 4 is the forming of hot pressing die hot pressing flange plate of the embodiment of the present invention；
Fig. 5 is the main structure diagram when embodiment of the present invention obtains crosscutting end face needed for assembly mould,
Fig. 6 is the overlooking structure diagram when embodiment of the present invention obtains crosscutting end face needed for assembly mould,
Fig. 7 is the structural schematic diagram of the holder of assembly mould of the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of positioning device on the holder of assembly mould of the embodiment of the present invention；
Fig. 9 is the partial enlargement structural representation of the helically twisted box-shaped structural member of the embodiment of the present invention and assembly mould cooperation；
Figure 10 is the structural schematic diagram of one-piece auger of embodiment of the present invention distortion box-shaped structural member and whole assembly mould cooperation；
In figure：Flange plate 1；Web 2；Upper mold 3；Lower die 4；Positioning device 5；Trapezoid cylinder 6；Holder 7；First bevel edge 8；Concave edge 9；
Vertical edge 10；Second bevel edge 11；Positioning plate 12.
Specific implementation mode：
With reference to embodiment, the invention will be further described, and purpose, which is only that, more fully understands the content of present invention, therefore, institute
The example of act is not intended to limit protection scope of the present invention.
Referring to Fig. 1, a kind of production method of helically twisted box, carry out in accordance with the following steps：
Step 1 establishes all helically twisted box structures of full-bridge by the three-dimensional drawings software such as CAD, Tekla Structures
Part model, and to all helically twisted box-shaped structural members of full-bridge, it carries out classifying and numbering, and every class is turned round to the edge of a wing of helical curve box
Plate 1, web 2 are unfolded respectively.
Step 2, flange plate 1, the segmentation blanking of web 2 according to process equipment ability to expansion, section length decile, with
Ensure the versatility of flange plate and web, and every section is numbered, blanking is carried out to the internal partition of the helically twisted box of every class.
Step 3 designs the hot pressing die of flange plate 1 according to 1 section length of flange plate per the helically twisted box of class
Appearance and size, hot pressing die are made of upper mold 3, lower die 4, and upper mold 3, lower die 4 determine its section curvature according to babinet degreeof tortuosity,
The positioning device 5 of hot pressing flange plate 1 is provided in upper mold 3 and lower die 4.
The flange plate 1 of segmentation is put into heating furnace by step 4, is heated to pass through hot pressing using forcing press after set point of temperature
Mould heat pressure is molded, and upper mold slowly pushes when hot pressing, should be kept at least ten minutes after being pressed onto position, web 2 is carried out by veneer reeling machine
It rolls.
Step 5, designs and produces the assembly mould of the helically twisted box of every class, and mould is not equal by one group of height, has and spiral shell
The positioning plate 12 and spaced apart holder 7 that turn-knob song box flange plate 1 and web 2 coordinate form, by helically twisted box
It is laid flat, a datum water level is taken below the helically twisted box-type member of one integral piece, six are established according to certain distance in this horizontal plane
A trapezoid cylinder 6, then distortion box-type member is cut with the trapezoid cylinder 6, box is distorted after cutting and forms cutting section, is cut with this
It cuts off face and arrives difference at a distance from datum water level, to form the height not equal helically twisted box-type member assembly mould of one integral piece
Benchmark is controlled, then with the control baseline design assembly mould, assembly mould is determined according to the position and height of each cutting section
The position of each holder 7 and high low dimensional, welding location-plate 12 on each holder 7, the upper surface of positioning plate 12 by with flange plate 1
First bevel edge 8 of fitting, the concave edge 9 being bonded with 1 plate thickness side of flange plate, vertical edge 10, the second bevel edge 11 being bonded with web 2
It is connected in sequence.
The hot-forming flange plate 1 with certain warpage is layed in the branch of assembly mould by step 6 successively according to number
Assembly is carried out on frame 7, and it is examined to be bonded gap between the holder 7 of assembly mould, by every section of flange plate 1 after meeting the requirements
Welding forms monoblock flange plate 1, welding deformation is repaired on assembly mould；
Step 7 draws the position line of two coxostermums 2 and internal partition on flange plate 1.
Step 8 assembles two coxostermums 2 and internal partition according to position line, checks flange plate 1, web 2 and assembly
Mould is bonded gap, and assembling deviation is welded after meeting the requirements, and postwelding repairs welding deformation on assembly mould, reassembles another
One flange plate 1, welds and repairs welding deformation.
Step 9 carries out nondestructiving inspecting test to the main weld of the helically twisted box-type member of one integral piece.
Step 10 derusts to the helically twisted box-type member of one integral piece, application.
The present invention can improve production efficiency, ensure the quality of production, meet assembly precision requirement, processed using hot pressing die
Edge of a wing Stress of plate interior it is small, appearance and size precision is high, and welding deformation is small, and appearance and size is easy to control, and internal stress is small, is suitable for space-time
The processing and fabricating of helically twisted box-type member
The foregoing is merely preferably feasible embodiments of the invention, not thereby limit to the interest field of the present invention, all fortune
The equivalence changes made by description of the invention and its accompanying drawing content are both contained within the interest field of the present invention.
Claims (4)
1. a kind of production method of helically twisted box, which is characterized in that carry out in accordance with the following steps：
Step 1 establishes all helically twisted box-type member models of full-bridge by three-dimensional drawing software, and to all spiral shells of full-bridge
Turn-knob song box-shaped structural member carries out classifying and numbering, and flange plate, the web that every class is turned round to helical curve box are unfolded respectively；
Step 2 is segmented blanking, and every section is numbered, to every according to process equipment ability to flange plate, the web of expansion
The internal partition of the helically twisted box of class carries out blanking；
Step 3 designs the appearance and size of flange plate hot pressing die according to the flange plate section length per the helically twisted box of class,
Hot pressing die is made of upper die and lower die, and upper die and lower die determine its section curvature according to babinet degreeof tortuosity, on upper die and lower die
It is provided with the positioning device of hot pressing flange plate；
The flange plate of segmentation is put into heating furnace by step 4, is heated to pass through hot pressing die using forcing press after set point of temperature
Hot-forming, web is rolled by veneer reeling machine；
Step 5, designs and produces the assembly mould of the helically twisted box of every class, and mould is not equal by one group of height, has and spiral torsional
Bent box flange plate and the positioning device of web cooperation and spaced apart holder composition；
Step 6, the holder that the hot-forming flange plate with certain warpage is layed in assembly mould successively according to number are enterprising
Row is assembled, and it is examined to be bonded gap between the holder of assembly mould, welds every section of flange plate after meeting the requirements, and is formed
Monoblock flange plate, repairs welding deformation on assembly mould；
Step 7 draws the position line of two coxostermums and internal partition on flange plate；
Step 8 assembles two coxostermums and internal partition according to position line, checks that flange plate, web are bonded with assembly mould
Gap, assembling deviation are welded after meeting the requirements, and postwelding repairs welding deformation on assembly mould, reassemble another edge of a wing
Plate welds and repairs welding deformation；
Step 9 carries out nondestructiving inspecting test to the main weld of the helically twisted box-type member of one integral piece；
Step 10 derusts to the helically twisted box-type member of one integral piece, application.
2. the production method of helically twisted box according to claim 1, it is characterised in that：In step 2, to expansion
Flange plate, web are segmented blanking, section length decile.
3. the production method of helically twisted box according to claim 1, it is characterised in that：In step 4, when hot pressing on
Mould slowly pushes, and should be kept at least ten minutes after being pressed onto position.
4. the production method of helically twisted box according to claim 1, it is characterised in that：In step 5, by spiral torsional
Bent box is laid flat, and multiple spot carries out it cutting and takes its cross section in the height direction, the position according to each cross section and height
Determine the position of each holder of assembly mould and high low dimensional, apparatus for welding and positioning on each holder, the upper surface of positioning device
By the first bevel edge being bonded with flange plate, the concave edge being bonded with flange plate plate thickness side, vertical edge, be bonded with web second tiltedly
While being connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688538.4A CN108723630B (en) | 2018-06-28 | 2018-06-28 | Manufacturing method of spiral twisted box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688538.4A CN108723630B (en) | 2018-06-28 | 2018-06-28 | Manufacturing method of spiral twisted box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108723630A true CN108723630A (en) | 2018-11-02 |
| CN108723630B CN108723630B (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688538.4A Active CN108723630B (en) | 2018-06-28 | 2018-06-28 | Manufacturing method of spiral twisted box |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449834A (en) * | 2019-07-29 | 2019-11-15 | 中国一冶集团有限公司 | Bending box column production method |
| CN110524190A (en) * | 2019-07-15 | 2019-12-03 | 广州文冲船厂有限责任公司 | A kind of production method being bent square tube |
| CN111822546A (en) * | 2020-07-16 | 2020-10-27 | 中国二十二冶集团有限公司 | Method for producing arc-shaped component |
| CN112276391A (en) * | 2020-10-19 | 2021-01-29 | 中国建筑第八工程局有限公司 | Installation method of spiral steel stairs in limited space |
| CN112548503A (en) * | 2020-12-06 | 2021-03-26 | 中国二冶集团有限公司 | Manufacturing and mounting method of variable-cross-section thin-wall twisted box-type structure |
| CN113059291A (en) * | 2021-03-02 | 2021-07-02 | 上海建工（江苏）钢结构有限公司 | Manufacturing method of Y-shaped conversion column structure |
| CN113369733A (en) * | 2021-05-27 | 2021-09-10 | 武汉一冶钢结构有限责任公司 | Tailor welding method for small austenitic stainless steel elliptical ring at corner section of low-temperature wind tunnel |
| CN115319466A (en) * | 2022-09-16 | 2022-11-11 | 阜阳市节能化工工程有限公司 | External accessory system of processing of energy-saving waste combustion furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110524190A (en) * | 2019-07-15 | 2019-12-03 | 广州文冲船厂有限责任公司 | A kind of production method being bent square tube |
| CN110449834A (en) * | 2019-07-29 | 2019-11-15 | 中国一冶集团有限公司 | Bending box column production method |
| CN110449834B (en) * | 2019-07-29 | 2021-10-01 | 中国一冶集团有限公司 | Manufacturing method of bent box-type column |
| CN111822546A (en) * | 2020-07-16 | 2020-10-27 | 中国二十二冶集团有限公司 | Method for producing arc-shaped component |
| CN112276391A (en) * | 2020-10-19 | 2021-01-29 | 中国建筑第八工程局有限公司 | Installation method of spiral steel stairs in limited space |
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| CN112548503B (en) * | 2020-12-06 | 2024-01-05 | 中国二冶集团有限公司 | Manufacturing and mounting method for variable-section thin-wall twisted box-type structure |
| CN113059291A (en) * | 2021-03-02 | 2021-07-02 | 上海建工（江苏）钢结构有限公司 | Manufacturing method of Y-shaped conversion column structure |
| CN113059291B (en) * | 2021-03-02 | 2022-10-21 | 上海建工（江苏）钢结构有限公司 | Manufacturing method of Y-shaped conversion column structure |
| CN113369733A (en) * | 2021-05-27 | 2021-09-10 | 武汉一冶钢结构有限责任公司 | Tailor welding method for small austenitic stainless steel elliptical ring at corner section of low-temperature wind tunnel |
| CN115319466A (en) * | 2022-09-16 | 2022-11-11 | 阜阳市节能化工工程有限公司 | External accessory system of processing of energy-saving waste combustion furnace |
| CN115319466B (en) * | 2022-09-16 | 2023-09-15 | 阜阳市节能化工工程有限公司 | External accessory processing system of energy-saving waste combustion furnace |
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