CN107649803A - A kind of welding method of deep camber slab box rotation steel ladder casing - Google Patents
A kind of welding method of deep camber slab box rotation steel ladder casing Download PDFInfo
- Publication number
- CN107649803A CN107649803A CN201710909673.2A CN201710909673A CN107649803A CN 107649803 A CN107649803 A CN 107649803A CN 201710909673 A CN201710909673 A CN 201710909673A CN 107649803 A CN107649803 A CN 107649803A
- Authority
- CN
- China
- Prior art keywords
- plate
- dividing plate
- outer panel
- welding
- steel ladder
- 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
-
- 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
-
- 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
Abstract
The present invention provides a kind of welding method of deep camber slab box rotation steel ladder casing, it is characterised in that：The rotation steel ladder casing is included according to the compressing cover plate of design drawing size, bottom plate, interior plate and outer panel, some dividing plates are provided between the interior outer panel, reversible deformation is provided between dividing plate and interior outer panel, between dividing plate and dividing plate to support, welding method to assembling divided edge of steel plate by being configured, weld front support reinforcing, reasonable arrangement weld seam welding sequence, using the measure such as being symmetrically welded, it is big to reduce the deflection easily occurred in thick plates, the problems such as unmanageable, later stage straightening is reduced, so as to reach the purpose for saving cost of manufacture；The inventive method can reduce welding difficulty, and welded unit does not need turn-over, weld seam can one-shot forming, component thermal contraction deformation is small, improves precision and quality that rotation steel ladder makes.
Description
Technical field
The invention belongs to welding technique field, and in particular to a kind of weldering of deep camber slab box rotation steel ladder casing
Connect method.
Background technology
As steel construction is widely applied at home, manufacture of the architectural image to steel construction puts forward higher requirement, special
It is not large-scale Public place, can usually runs into steel construction spiral stairses.Steel construction saw is relative to cast-in-place filling mixed mud
There is light structure, it is attractive in appearance, environmentally friendly the features such as.The saw that this patent is directed to helically blade space stereochemical structure, rotation
Steel ladder section is that inequilateral is trapezoidal, generally box-structure, is difficult not only to control its morpheme size, its box house when making
Weld seam amount is big, internal partition and bottom plate position while welding welding difficulty are big, internal partition and panel weld seam can not weld, side plate and bottom
Plate face plate welding seams locus is complicated, and it is also a great problem that it is unmanageable, which to weld influence of the thermal contraction to special-shaped component, therefore
It is necessary to formulate rational welding method to ensure the making precision and quality of rotation steel ladder.
The content of the invention
The problem of existing for prior art, the technical scheme that the present invention uses for solution problems of the prior art
It is as follows：
A kind of welding method of deep camber slab box rotation steel ladder casing, it is characterised in that：The rotation steel ladder casing
Including according to the compressing cover plate of design drawing size, bottom plate, interior plate and outer panel, being provided between the interior outer panel
Some dividing plates, it is provided with reversible deformation between dividing plate and interior outer panel, between dividing plate and dividing plate and supports；The welding method includes as follows
Step：
Step 1: bottom plate is placed on moulding bed, grid spacer, dividing plate is done with contacts baseplate end according to the gradient of bottom plate
Milling side is handled, and ensures that bottom plate is close in dividing plate bottom；
Step 2: outer panel in assembling：30 ° of grooves are opened up to interior plate and outer panel one end, interior outer panel is opened into slope
Bottom plate both ends are close in mouthful one end respectively, and groove direction is towards on the outside of casing；
Step 3: assembling reversible deformation supports：By reversible deformation support by design requirement location arrangements interior plate and dividing plate, every
Between plate and dividing plate and dividing plate and outer panel；
Step 4: it is symmetrically welded：The weld seam A of the direction formed between first welding diaphragm and bottom plate outwardly, then weld
The weld seam B of the direction formed between dividing plate and bottom plate inwardly, the direction then formed in welding between outer panel and bottom plate is inwardly
Weld seam C；
Step 5: treating that step 4 is symmetrically welded completion, component assembles cover plate after being cooled to room temperature, and cover plate is in the case where steel plate is accurate
30 ° of grooves are opened at material process both ends, and groove upward, some plug welding holes is opened up on cover plate with baffle contacts part during assembling；
Step 6: it is symmetrically welded again：Weld seam E between first welded cover plate and dividing plate, then weld interior outer panel with
The weld seam D of the direction formed between bottom plate outwardly, the weld seam of the direction formed between last welded cover plate and interior outer panel upward
F。
Described reversible deformation support is strip steel plate, and spot welding is installed between dividing plate and side plate, dividing plate and dividing plate, for
Away from reinforcing, prevent dividing plate and plate-side plate welding from deforming.
The reversible deformation support is set along the casing hand of spiral, interval 300mm.
The cover plate, interior plate, outer panel and dividing plate are made up by thickness of 20mm slab.
The plug welding hole is 15 × 150mm of dimensions through hole, is along the adjacent plug welding pitch of holes of dividing plate extending direction
100mm。
The moulding bed is according to the moulding bed set up after the anglec of rotation and lifting height of corresponding rotation steel ladder conversion absolute altitude.
The invention has the advantages that：
1st, by rationally setting part plate groove, reduce weld seam difficulty and structure does not need turn-over welding；
2nd, component integral solder and is symmetrically welded using double on moulding bed, and sweating heat contraction distortion is preferably minimized；
3rd, welding method is simple, manufacturing cost input is low, convenient popularization.
Brief description of the drawings
Fig. 1 is that box of the present invention rotates steel ladder overall structure diagram；
Fig. 2 is box spin crossover structural representation of the present invention；
Fig. 3 is present invention rotation steel ladder casing overlooking the structure diagram；
Wherein：1- cover plates, 2- bottom plates, 3- interior plates, 4- outer panels, 5- dividing plates, 6- reversible deformations support, 7- weld seams A, 8- weldering
Stitch B, 9- weld seams C, 10- weld seam D, 11- weld seam E, 12- weld seam F, 13- plug welding hole.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail, Yi Zhong great
Curvature slab box rotates the welding method of steel ladder casing, it is characterised in that：As shown in figure 1, rotation steel ladder casing includes basis
The compressing cover plate 1 of design drawing size, bottom plate 2, interior plate 3 and outer panel 4, it is provided between the interior outer panel some
Dividing plate 5, reversible deformation support 6 is provided between dividing plate and interior outer panel, between dividing plate and dividing plate.
Welding method comprises the following steps：
Step 1: bottom plate 2 is placed on moulding bed, grid spacer 5, to dividing plate 5 and the contact jaw of bottom plate 2 according to bottom plate 2
Gradient does the processing of milling side, ensures that bottom plate 2 is close in dividing plate 5 bottom, wherein moulding bed be according to the anglec of rotation of corresponding rotation steel ladder and
The moulding bed set up after lifting height conversion absolute altitude；
Step 2: outer panel in assembling：30 ° of grooves are opened up to interior plate 3 and the one end of outer panel 4, interior outer panel is opened
The both ends of bottom plate 2 are close in groove one end respectively, and groove direction is towards on the outside of casing；
Step 3: assembling reversible deformation support 6：By reversible deformation support 6 by design requirement location arrangements interior plate 3 with every
Between plate, dividing plate 5 and dividing plate 5 and dividing plate 5 and outer panel 4, reversible deformation support 6 is strip steel plate, along the casing hand of spiral,
Set every 300mm, spot welding is installed between dividing plate and side plate, dividing plate and dividing plate, is reinforced for spacing, prevents dividing plate and side plate from welding
Connect deformation；
Step 4: it is symmetrically welded：The weld seam A7 of the direction formed between first welding diaphragm 5 and bottom plate 2 outwardly, then weld
The weld seam B8 of the direction formed between dividing plate 5 and bottom plate 2 inwardly is met, the side then formed in welding between outer panel and bottom plate 2
To weld seam C9 inwardly；
Step 5: treating that step 4 is symmetrically welded completion, component assembles cover plate 1 after being cooled to room temperature, and cover plate 1 is accurate in steel plate
30 ° of grooves are opened at blanking process both ends, and groove upward, some plug welding holes 13 is opened up on cover plate 1 with the contact portion of dividing plate 5 during assembling,
Plug welding hole 13 is 15 × 150mm of dimensions through hole, is 100mm along the adjacent plug welding pitch of holes of dividing plate extending direction；
Step 6: it is symmetrically welded again：Weld seam E11 between first welded cover plate 1 and dividing plate 5, then weld interior outside
The weld seam D10 of the direction formed between plate and bottom plate 2 outwardly, the direction court formed between last welded cover plate 1 and interior outer panel
On weld seam F12.
So far the welding of deep camber slab box rotation steel ladder casing is completed, subsequently according to design requirement in box cover 1
Upper installation is marked time and can complete the making of complete rotation steel ladder.
The inventive method reduces the welding difficulty of weld seam locus, and welded unit does not need turn-over, and weld seam can be once
Shaping, the deformation of the thermal contraction after structure welding is greatly reduced, the cost input of later stage malformation correction is not only reduced, also carries
The precision and quality that high rotation steel ladder makes.
Protection scope of the present invention is not limited to the above embodiments, it is clear that those skilled in the art can be to this hair
It is bright to carry out various changes and deformation without departing from scope and spirit of the present invention.If these changes and deformation belong to power of the present invention
In the range of profit requirement and its equivalent technologies, then including the intent of the present invention is also changed and deformed comprising these.
Claims (6)
- A kind of 1. welding method of deep camber slab box rotation steel ladder casing, it is characterised in that：The rotation steel ladder casing bag Include according to the compressing cover plate of design drawing size, bottom plate, interior plate and outer panel, if being provided between the interior outer panel Dry dividing plate, it is provided with reversible deformation between dividing plate and interior outer panel, between dividing plate and dividing plate and supports；The welding method includes following step Suddenly：Step 1: bottom plate is placed on moulding bed, grid spacer, milling side is done according to the gradient of bottom plate to dividing plate and contacts baseplate end Processing, ensure that bottom plate is close in dividing plate bottom；Step 2: outer panel in assembling：30 ° of grooves are opened up to interior plate and outer panel one end, by interior outer panel bevel one Bottom plate both ends are close at end respectively, and groove direction is towards on the outside of casing；Step 3: assembling reversible deformation supports：By reversible deformation support by design requirement location arrangements interior plate and dividing plate, dividing plate with Between dividing plate and dividing plate and outer panel；Step 4: it is symmetrically welded：The weld seam A of the direction formed between first welding diaphragm and bottom plate outwardly, then welding diaphragm The weld seam B of the direction formed between bottom plate inwardly, the weldering of the direction then formed in welding between outer panel and bottom plate inwardly Stitch C；Step 5: treating that step 4 is symmetrically welded completion, component assembles cover plate after being cooled to room temperature, and cover plate is in the accurate blanking of steel plate 30 ° of grooves are opened at journey both ends, and groove upward, some plug welding holes is opened up on cover plate with baffle contacts part during assembling；Step 6: it is symmetrically welded again：Weld seam E between first welded cover plate and dividing plate, then weld interior outer panel and bottom plate Between the weld seam D, the weld seam F of the direction formed between last welded cover plate and interior outer panel upward of the direction that is formed outwardly.
- A kind of 2. welding method of deep camber slab box rotation steel ladder casing as claimed in claim 1, it is characterised in that：Institute It is strip steel plate to state reversible deformation support, and spot welding is installed between dividing plate and side plate, dividing plate and dividing plate, reinforces, prevents for spacing Dividing plate and plate-side plate welding deformation.
- A kind of 3. welding method of deep camber slab box rotation steel ladder casing as claimed in claim 1, it is characterised in that：Institute Reversible deformation support is stated to set along the casing hand of spiral, interval 300mm.
- A kind of 4. welding method of deep camber slab box rotation steel ladder casing as claimed in claim 1, it is characterised in that：Institute Cover plate, interior plate, outer panel and dividing plate is stated to be made up of 20mm slab by thickness.
- A kind of 5. welding method of deep camber slab box rotation steel ladder casing as claimed in claim 1, it is characterised in that：Institute The through hole that plug welding hole is 15 × 150mm of dimensions is stated, is 100mm along the adjacent plug welding pitch of holes of dividing plate extending direction.
- A kind of 6. welding method of deep camber slab box rotation steel ladder casing as claimed in claim 1, it is characterised in that：Institute It is according to the moulding bed set up after the anglec of rotation and lifting height of corresponding rotation steel ladder conversion absolute altitude to state moulding bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909673.2A CN107649803B (en) | 2017-09-29 | 2017-09-29 | A kind of welding method of deep camber slab box rotation steel ladder cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710909673.2A CN107649803B (en) | 2017-09-29 | 2017-09-29 | A kind of welding method of deep camber slab box rotation steel ladder cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107649803A true CN107649803A (en) | 2018-02-02 |
| CN107649803B CN107649803B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710909673.2A Active CN107649803B (en) | 2017-09-29 | 2017-09-29 | A kind of welding method of deep camber slab box rotation steel ladder cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730248A (en) * | 2020-06-25 | 2020-10-02 | 蒋晓瑜 | Guardrail cat ladder generates equipment |
| CN112665786A (en) * | 2020-12-09 | 2021-04-16 | 内蒙古第一机械集团股份有限公司 | Pressure-bearing deformation control method for heavy-load fuel tank |
| CN117161628A (en) * | 2023-10-30 | 2023-12-05 | 南通海国机械有限公司 | Spiral escalator welding device |
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| CN101011781A (en) * | 2006-06-03 | 2007-08-08 | 中铁宝桥股份有限公司 | Welding deformation controlling method in bridge steel pylon manufacturing process |
| CN203113618U (en) * | 2012-12-26 | 2013-08-07 | 江苏沪宁钢机股份有限公司 | Cubic box-shaped component |
| CN105269253A (en) * | 2014-07-24 | 2016-01-27 | 青岛百键城环保科技有限公司 | Manufacturing method for steel-structure box beam/box column |
| CN105458469A (en) * | 2015-12-10 | 2016-04-06 | 中国电子科技集团公司第四十八研究所 | Welded aluminum alloy box and welding method |
| CN106623529A (en) * | 2016-08-31 | 2017-05-10 | 浙江精工钢结构集团有限公司 | Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method |
| 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 |
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2017
- 2017-09-29 CN CN201710909673.2A patent/CN107649803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011781A (en) * | 2006-06-03 | 2007-08-08 | 中铁宝桥股份有限公司 | Welding deformation controlling method in bridge steel pylon manufacturing process |
| CN203113618U (en) * | 2012-12-26 | 2013-08-07 | 江苏沪宁钢机股份有限公司 | Cubic box-shaped component |
| CN105269253A (en) * | 2014-07-24 | 2016-01-27 | 青岛百键城环保科技有限公司 | Manufacturing method for steel-structure box beam/box column |
| CN105458469A (en) * | 2015-12-10 | 2016-04-06 | 中国电子科技集团公司第四十八研究所 | Welded aluminum alloy box and welding method |
| CN106623529A (en) * | 2016-08-31 | 2017-05-10 | 浙江精工钢结构集团有限公司 | Solid-web large-section spiral stair box girder shaped like Chinese character ''mu'' and manufacturing method |
| 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730248A (en) * | 2020-06-25 | 2020-10-02 | 蒋晓瑜 | Guardrail cat ladder generates equipment |
| CN111730248B (en) * | 2020-06-25 | 2022-08-16 | 重庆仟亿金属制品有限公司 | Guardrail cat ladder generates equipment |
| CN112665786A (en) * | 2020-12-09 | 2021-04-16 | 内蒙古第一机械集团股份有限公司 | Pressure-bearing deformation control method for heavy-load fuel tank |
| CN112665786B (en) * | 2020-12-09 | 2023-10-03 | 内蒙古第一机械集团股份有限公司 | Control method for pressure-bearing deformation of heavy-load fuel tank |
| CN117161628A (en) * | 2023-10-30 | 2023-12-05 | 南通海国机械有限公司 | Spiral escalator welding device |
| CN117161628B (en) * | 2023-10-30 | 2023-12-29 | 南通海国机械有限公司 | Spiral escalator welding device |
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| Publication number | Publication date |
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| CN107649803B (en) | 2019-04-23 |
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