CN107649803B - A kind of welding method of deep camber slab box rotation steel ladder cabinet - Google Patents
A kind of welding method of deep camber slab box rotation steel ladder cabinet Download PDFInfo
- Publication number
- CN107649803B CN107649803B CN201710909673.2A CN201710909673A CN107649803B CN 107649803 B CN107649803 B CN 107649803B CN 201710909673 A CN201710909673 A CN 201710909673A CN 107649803 B CN107649803 B CN 107649803B
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- partition
- outer panel
- plate
- welding
- bottom plate
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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
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Ladders (AREA)
Abstract
The present invention provides a kind of welding method of deep camber slab box rotation steel ladder cabinet, it is characterized by: the rotation steel ladder cabinet includes the cover board according to design drawing size compression moulding, bottom plate, interior plate and outer panel, several partitions are provided between the interior outer panel, between partition and interior outer panel, reversible deformation is equipped between partition and partition to support, welding method is by being configured assembling divided edge of steel plate, front support is welded to reinforce, reasonable arrangement weld seam welding sequence, using being symmetrically welded equal measures, it is big to reduce the deflection easily occurred in thick plates, the problems such as being difficult to control, reduce later period straightening, to achieve the purpose that save cost of manufacture；The method of the present invention can reduce welding difficulty, and welded unit does not need turn-over, weld seam can one-pass molding, component is heat-shrinked that deformation is small, improves the precision and quality of rotation steel ladder production.
Description
Technical field
The invention belongs to welding technique fields, and in particular to a kind of weldering of deep camber slab box rotation steel ladder cabinet
Connect method.
Background technique
As steel construction is widely applied at home, architectural image puts forward higher requirement to the manufacture of steel construction, special
It is not large-scale Public place, can usually encounters steel construction spiral stairs.Steel construction saw is relative to cast-in-place filling mixed mud
The features such as there is light structure, beauty, environmental protection.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 not only difficult to control its morpheme size, box house in production
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 spatial position is complicated, and welding influence of the thermal contraction to special-shaped component and being difficult to control is also a great problem, therefore
The production precision and quality that it is necessary to formulate reasonable welding method to guarantee rotation steel ladder.
Summary of the invention
In view of the problems of the existing technology, the technical solution that the present invention uses to solve problems of the prior art
It is as follows:
A kind of welding method of deep camber slab box rotation steel ladder cabinet, it is characterised in that: the rotation steel ladder cabinet
Including being provided between the interior outer panel according to the cover board of design drawing size compression moulding, bottom plate, interior plate and outer panel
Several partitions are equipped with reversible deformation between partition and interior outer panel, between partition and partition and support；The welding method includes as follows
Step:
Step 1: bottom plate is placed on moulding bed, grid spacer, partition is done with contacts baseplate end according to the gradient of bottom plate
Side processing is milled, guarantees that bottom plate is close in partition bottom；
Step 2: outer panel in assembling: opening up 30 ° of grooves to interior plate and outer panel one end, interior outer panel is opened slope
Bottom plate both ends are close in mouthful one end respectively, and groove direction is towards on the outside of cabinet；
Step 3: assembling reversible deformation supports: by reversible deformation support by design requirement location arrangements interior plate and partition, every
Between plate and partition and partition and outer panel；
Step 4: being symmetrically welded: the weld seam A of the direction formed between first welding diaphragm and bottom plate outwardly, then weld
Then the weld seam B of the direction formed between partition and bottom plate inwardly welds the direction formed between interior outer panel and bottom plate inwardly
Weld seam C；
Step 5: being symmetrically welded completion to step 4, component assembles cover board after being cooled to room temperature, cover board is in the case where steel plate is accurate
30 ° of grooves are opened at material process both ends, and groove upward, opens up several plug welding holes with baffle contacts part on cover board when assembling；
Step 6: being symmetrically welded again: the weld seam E between first welded cover plate and partition, 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。
The reversible deformation support is strip steel plate, is installed between partition and side plate, partition and partition, is used by spot welding
It is reinforced in spacing, prevents partition and plate-side plate welding from deforming.
The reversible deformation support is spaced 300mm setting along the cabinet hand of spiral.
The cover board, interior plate, outer panel and partition are made by with a thickness of the slab of 20mm.
The plug welding hole is the through-hole of 15 × 150mm of dimensions, is along the adjacent plug welding pitch of holes of partition extending direction
100mm。
The moulding bed is the moulding bed set up after converting absolute altitude according to the rotation angle and lifting height of corresponding rotation steel ladder.
The present invention has the advantage that
1, it by the way that part plate groove is rationally arranged, reduces weld seam difficulty and structure does not need turn-over welding；
2, component integral solder and is symmetrically welded using double on moulding bed, and sweating heat contraction distortion is preferably minimized；
3, welding method is simple, manufacturing cost investment is low, facilitates popularization.
Detailed description of the invention
Fig. 1 is that box of the present invention rotates steel ladder overall structure diagram；
Fig. 2 is box spin crossover structural schematic diagram of the present invention；
Fig. 3 is present invention rotation steel ladder cabinet overlooking structure diagram；
Wherein: 1- cover board, 2- bottom plate, 3- interior plate, 4- outer panel, 5- partition, 6- reversible deformation support, 7- weld seam A, 8- weldering
Stitch B, 9- weld seam C, 10- weld seam D, 11- weld seam E, 12- weld seam F, 13- plug welding hole.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described, Yi Zhong great
The welding method of curvature slab box rotation steel ladder cabinet, it is characterised in that: as shown in Figure 1, rotation steel ladder cabinet includes basis
Cover board 1, bottom plate 2, interior plate 3 and the outer panel 4 of design drawing size compression moulding are provided between the interior outer panel several
Partition 5 is equipped with reversible deformation support 6 between partition and interior outer panel, between partition and partition.
Welding method includes the following steps:
Step 1: bottom plate 2 is placed on moulding bed, grid spacer 5, to partition 5 and 2 contact jaw of bottom plate according to bottom plate 2
Gradient does the processing of milling side, guarantees that bottom plate 2 is close in 5 bottom of partition, wherein moulding bed be according to the rotation angle of corresponding rotation steel ladder and
The moulding bed set up after lifting height conversion absolute altitude；
Step 2: outer panel in assembling: opening up 30 ° of grooves to interior plate 3 and 4 one end of outer panel, interior outer panel is opened
2 both ends of bottom plate are close in groove one end respectively, and groove direction is towards on the outside of cabinet；
Step 3: assembling reversible deformation support 6: by reversible deformation support 6 by design requirement location arrangements interior plate 3 with every
Between plate, partition 5 and partition 5 and partition 5 and outer panel 4, reversible deformation support 6 is strip steel plate, along the cabinet hand of spiral,
It is arranged every 300mm, is installed between partition and side plate, partition and partition by spot welding, is reinforced for spacing, prevent partition and side
Plate welding deformation；
Step 4: being 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 partition 5 and bottom plate 2 inwardly is met, the side formed between interior outer panel and bottom plate 2 is then welded
To weld seam C9 inwardly；
Step 5: being symmetrically welded completion to step 4, component assembles cover board 1 after being cooled to room temperature, and cover board 1 is accurate in steel plate
30 ° of grooves are opened at blanking process both ends, and groove upward, opens up several plug welding holes 13 with 5 contact portion of partition on cover board 1 when assembling,
Plug welding hole 13 is the through-hole of 15 × 150mm of dimensions, is 100mm along the adjacent plug welding pitch of holes of partition extending direction；
Step 6: being symmetrically welded again: the weld seam E11 between first welded cover plate 1 and partition 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 deep camber slab box rotation steel ladder cabinet welding complete, it is subsequent according to design requirement in box cover 1
Upper installation, which is marked time, can be completed the production of complete rotation steel ladder.
The method of the present invention reduces the welding difficulty of weld seam spatial position, and welded unit does not need turn-over, and weld seam can be primary
Molding, the thermal contraction deformation after greatly reducing structure welding, not only reduces the cost input of later period malformation correction, also mentions
The high precision and quality of rotation steel ladder production.
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 benefit requirement and its equivalent technologies, then including the intent of the present invention also includes these changes and deforms.
Claims (6)
1. a kind of welding method of deep camber slab box rotation steel ladder cabinet, it is characterised in that: the rotation steel ladder cabinet packet
It includes according to the cover board of design drawing size compression moulding, bottom plate, interior plate and outer panel, if being provided between the interior outer panel
Dry partition is equipped with reversible deformation between partition and interior outer panel, between partition and partition and supports；The welding method includes following step
It is rapid:
Step 1: bottom plate is placed on moulding bed, grid spacer, milling side is done according to the gradient of bottom plate to partition and contacts baseplate end
Processing guarantees that bottom plate is close in partition 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 cabinet；
Step 3: assembling reversible deformation supports: by reversible deformation support by design requirement location arrangements interior plate and partition, partition with
Between partition and partition and outer panel；
Step 4: being symmetrically welded: the weld seam A of the direction formed between first welding diaphragm and bottom plate outwardly, then welding diaphragm
Then the weld seam B of the direction formed between bottom plate inwardly welds the weldering of the direction formed between interior outer panel and bottom plate inwardly
Stitch C；
Step 5: being symmetrically welded completion to step 4, component assembles cover board after being cooled to room temperature, cover board is in the accurate blanking of steel plate
30 ° of grooves are opened at journey both ends, and groove upward, opens up several plug welding holes with baffle contacts part on cover board when assembling；
Step 6: being symmetrically welded again: the weld seam E between first welded cover plate and partition, 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.
2. a kind of welding method of deep camber slab box rotation steel ladder cabinet as described in claim 1, it is characterised in that: institute
Stating reversible deformation support is strip steel plate, is installed between partition and side plate, partition and partition by spot welding, is reinforced for spacing,
Prevent partition and plate-side plate welding from deforming.
3. a kind of welding method of deep camber slab box rotation steel ladder cabinet as described in claim 1, it is characterised in that: institute
Reversible deformation support is stated along the cabinet hand of spiral, is spaced 300mm setting.
4. a kind of welding method of deep camber slab box rotation steel ladder cabinet as described in claim 1, it is characterised in that: institute
Cover board, interior plate, outer panel and partition is stated to be made by with a thickness of the slab of 20mm.
5. a kind of welding method of deep camber slab box rotation steel ladder cabinet as described 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 partition extending direction.
6. a kind of welding method of deep camber slab box rotation steel ladder cabinet as described in claim 1, it is characterised in that: institute
Stating moulding bed is the moulding bed set up after converting absolute altitude according to the rotation angle and lifting height of corresponding rotation steel ladder.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN107649803A CN107649803A (en) | 2018-02-02 |
| CN107649803B true CN107649803B (en) | 2019-04-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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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| 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 |
-
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 |
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| CN107649803A (en) | 2018-02-02 |
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