CN110835981A - Metal roof welding method and metal roof - Google Patents
Metal roof welding method and metal roof Download PDFInfo
- Publication number
- CN110835981A CN110835981A CN201911031546.2A CN201911031546A CN110835981A CN 110835981 A CN110835981 A CN 110835981A CN 201911031546 A CN201911031546 A CN 201911031546A CN 110835981 A CN110835981 A CN 110835981A
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- Prior art keywords
- metal roof
- edge
- support
- welding
- roof panel
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/369—Connecting; Fastening by welding of the marginal portions of adjacent slabs or sheets also by soldering, glueing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/361—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets
- E04D3/364—Connecting; Fastening by specially-profiled marginal portions of the slabs or sheets by folding of the edges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/36—Connecting; Fastening
- E04D3/366—Connecting; Fastening by closing the space between the slabs or sheets by gutters, bulges, or bridging elements, e.g. strips
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention provides a welding method of a metal roof and the metal roof. The metal roof comprises a supporting part, a first metal roof panel, a second metal roof panel and a connecting support; the first metal roof panel and the second metal roof panel are arranged on the upper side of the supporting part, and the connecting support is arranged between the first metal roof panel and the second metal roof panel; the first metal roof panel has a first upright edge, the second metal roof panel has a second upright edge, and the connecting support has a support upright edge; and the welding method comprises: mounting the connection support to the support portion; welding the first upright edge of the first metal roof panel with the support upright edge of the connecting support; welding said first upstanding edge to said second upstanding edge of said second metal roof panel at an upper side of said upstanding support edge. Can play the roles of sealing, water proofing and wind uncovering resistance, and has simple manufacture and low cost.
Description
Technical Field
The invention relates to the field of metal roofs, in particular to a welding method of a metal roof and the metal roof.
Background
Nowadays, metal roofs are more and more popular, and people pay more and more attention to the safety performance of the metal roofs. The metal roof is widely used in civil buildings and public buildings. In particular, the application of metal roofs made of short standing stainless steel, titanium alloy, zinc-titanium alloy and the like has shown a rapidly growing trend. At present, as shown in fig. 1 and fig. 2, the connection between the short vertical edge metal roof 11 and the supporting structure is mostly performed by using a connecting support 12 and 360 ° locking edges or welding the connecting support 12; the main structure of the connection is a thin steel plate supporting layer 13, a waterproof layer and a noise reduction layer, a connecting support 12 and a short vertical edge metal roof panel 11 from bottom to top in sequence. The thin steel plate support layer 13 is used for fixing the connecting support 12 of the upper short-standing-edge metal roof 11. The waterproof layer and the noise reduction layer are used for preventing water and ensuring and reducing noise caused by the upper roof panel. The metal roof board with short vertical edge is used for roof waterproofing. Here, as shown in fig. 3, the key technique is to weld the upright edge of the connecting support 12 and the upright edge of the metal roof panel 11 together by resistance welding using a dedicated apparatus. The flat head self-tapping screw 14 is used for fixing the connecting support on the thin steel plate supporting layer 13. The welding seam 15 welds the vertical edge of the short vertical edge weldable metal roof panel and the connecting support together seamlessly and continuously through special equipment, and plays a role in water resistance and wind uncovering resistance. As shown in fig. 4, in order to ensure the water tightness of the welding between the two vertical edges of the metal roof panel and the metal roof panel at the connecting support, in addition to ensuring the continuous welding between the vertical edge of the metal roof panel 11 and the connecting support 12 at the connecting support and the continuous welding between the vertical edge of the metal roof panel at the non-connecting support, the continuous transition of the welding seam 15 at the joint of the connecting support and the vertical edge of the metal roof panel must be ensured, that is, the welding seam 15 must be continuous along the entire length of the vertical edge of the metal roof panel. The welding seam 15 welds the vertical edge of the short vertical edge weldable metal roof panel and the connecting support together in a seamless and continuous manner through special equipment; has the functions of water resistance and wind uncovering resistance. As shown in fig. 5 and 6, the gap 16 formed by the upright edge of the metal roof panel and the upright edge of the connecting support can seriously affect the continuity of the welding seam; only when the thickness of the upright edge of the connecting support 12 is very small (usually less than 0.2mm), i.e. the width of the gap 16 is very small, can the weld be ensured to be continuous at the full-length upright edge, otherwise, when the gap is too large, the resistance welding cannot weld through the upright edge of the metal roof panel, resulting in discontinuous weld; the waterproof performance of the metal roof is seriously affected. In summary, the inventors found that the welding of the existing metal roof plate at the connecting support has the following problems: the thickness of the upright edge of the connecting support is too thin, and is generally less than 0.2 mm. The bearing capacity of the connecting support is seriously influenced, and the wind uncovering damage resistance of the metal roof plate can be met only by reducing the distance between the supports. In order to ensure continuous welding at the connecting support, the welding equipment is very expensive, which is not favorable for the popularization of welding metal roofs. Expensive welding equipment and dense connecting brackets increase project costs.
Disclosure of Invention
The invention aims to overcome at least one defect of the existing metal roof support, and provides a metal roof welding method and a metal roof, which are simple to manufacture, low in cost and sufficient in wind uncovering damage resistance.
In order to achieve the above objects, in one aspect, the present invention provides a method for welding a metal roof, wherein the metal roof includes a supporting portion, a first metal roof panel, a second metal roof panel, and a connecting support; the first metal roof panel and the second metal roof panel are arranged on the upper side of the supporting part, and the connecting support is arranged between the first metal roof panel and the second metal roof panel; the first metal roof panel has a first upright edge, the second metal roof panel has a second upright edge, and the connecting support has a support upright edge; and the welding method comprises:
mounting the connection support to the support portion;
welding the first upright edge of the first metal roof panel with the support upright edge of the connecting support;
welding said first upstanding edge to said second upstanding edge of said second metal roof panel at an upper side of said upstanding support edge.
Optionally, the first vertical edge and the support vertical edge are spot-welded or intermittently welded or continuously welded.
Optionally, a full length continuous weld is formed between the first upright edge and the second upright edge.
Optionally, the metal roof further includes a decorative fastener with an opening facing downward, and the welding method further includes:
and installing the decorative fastener on the upper ends of the first vertical edge and the second vertical edge, so that the first vertical edge and the second vertical edge are inserted into the decorative fastener through the opening.
Optionally, the welding method further comprises: welding the second upright edge of the second metal roof panel to the support upright edge of the connecting support before welding the first upright edge to the second upright edge of the second metal roof panel.
Optionally, the thickness of the stand-off upright edge of the connection stand-off is greater than or equal to 0.2 mm.
Optionally, the thickness of the stand-off upright edge of the connection stand-off is 0.2mm to 0.8 mm.
Optionally, the support part is a steel plate support layer; the connecting support is mounted on the supporting part through a self-tapping screw.
In another aspect, the present invention also provides a metal roof, including:
a support portion;
a first metal roof panel having a first standing edge and provided on an upper side of the support portion;
a second metal roof panel having a second upright edge and disposed on an upper side of the support portion; and
the connecting support is arranged on the supporting part and is provided with a support vertical edge; and is
The support vertical edge is arranged between the first vertical edge and the second vertical edge; the upright edge of the support is welded to the first upright edge; the first upright edge is welded to the second upright edge;
the welding position between the first vertical edge and the second vertical edge is positioned on the upper side of the vertical edge of the support.
Optionally, the metal roof further comprises a decorative fastener with a downward opening, and the first upright edge and the second upright edge are inserted into the decorative fastener through the opening;
the thickness of the upright edge of the support is 0.2mm to 0.8 mm.
The embodiment of the invention has the following technical effects: according to the welding method for the metal roof and the obtained metal roof, the connection mode of the connecting support and the metal roof board is changed, and welding is performed step by step; firstly, reducing the height of the vertical edge of the connecting support, and then connecting and fixing the vertical edge of the metal roof panel and the vertical edge of the connecting support in a spot welding or continuous welding manner; and secondly, welding the vertical edges of the metal roof boards on the two sides of the support. The vertical edge of the metal roof panel and the vertical edge of the connecting support are welded together by continuous welding or intermittent spot welding, and the wind uncovering resistance effect can be achieved. The vertical edge of the metal roof panel and the vertical edge of the metal roof panel are continuously welded together at the top of the connecting support, so that the sealing, waterproof and wind uncovering resistant effects can be achieved. Simple manufacture, low cost and sufficient wind uncovering damage resistance.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic view of a connection structure of a metal roof panel and a support in the prior art;
FIG. 2 is a schematic view of a prior art connection of a metal roof panel to a support;
FIG. 3 is a schematic view of a prior art welded connection between a metal roof panel and a support;
FIG. 4 is a schematic view of the relationship of the metal roof panel, weld, and support in elevation in the prior art;
FIG. 5 is a schematic horizontal cross-sectional view of a prior art relationship of a metal roofing panel, a weld, and a support elevation;
FIG. 6 is a schematic view of a prior art weld cut-out at a pedestal on a metal roofing panel;
FIG. 7 is a schematic block diagram of a metal roof provided by the present invention;
FIG. 8 is a schematic view of the relationship of the metal roofing panel, weld, connecting support elevations of the present invention;
fig. 9 to 13 are schematic structural views illustrating steps of a welding method of a metal roof according to the present invention.
Detailed Description
Fig. 7 is a schematic structural view of a metal roof provided by the present invention. As shown in fig. 7, and with reference to fig. 8-13, an embodiment of the present invention provides a metal roof. The metal roof may include a support section 20, a plurality of metal roof panels arranged side by side, and a plurality of connecting brackets 50. The support portion 20 may be a steel plate support layer, although the support portion 20 may have other configurations. The plurality of metal roof panels arranged side-by-side may include a first metal roof panel 30 and a second metal roof panel 40 arranged adjacent to each other. A plurality of metal roof panels arranged side by side are provided on the upper side of the supporting part 20. The metal roof panel may be a short stile metal roof panel.
A plurality of the above-described connecting supports 50 mounted to the supporting portion 20 are provided between every two adjacent metal roof panels. In particular, the first metal roof panel 30 has a first upstanding edge 31. The second metal roof panel 40 has a second upstanding edge 41. The attachment bracket 50 has a bracket upstanding edge 51. The stand upright edge 51 is disposed between the first upright edge 31 and the second upright edge 41; the stand upright edge 51 is welded to the first upright edge 31; the first upright edge 31 is welded to the second upright edge 41; the welding position between the first upright edge 31 and the second upright edge 41 is located on the upper side of the pedestal upright edge 51.
According to the metal roof disclosed by the embodiment of the invention, the height of the support vertical edge 51 connected with the support 50 is reduced (compared with the support vertical edge in the prior art such as in fig. 1 to 6), and then the vertical edge of the metal roof plate and the vertical edge connected with the support 50 are connected and fixed in a spot welding or continuous welding manner; the upright edges of the metal roof panels on both sides of the support are welded at the upper side of the upright edge 51 of the support. The vertical edge of the metal roof panel is welded with the vertical edge of the connecting support 50, so that the wind uncovering resistance is achieved. The vertical edge of the metal roof panel and the vertical edge of the metal roof panel are continuously welded together at the top of the connecting support 50, so that the sealing, waterproof and wind uncovering resistant effects can be achieved. Simple manufacture, low cost and sufficient wind uncovering damage resistance.
In some embodiments of the present invention, the metal roof further includes a decorative fastener 70 with an opening facing downward, and the first upright edge 31 and the second upright edge 41 are inserted into the decorative fastener 70 through the opening. The decorative fastener 70 has decorative and waterproof functions. The thickness of the stand-off edge 51 of the connecting stand-off 50 can be thickened to be greater than or equal to 0.2 mm. For example, the upstanding edge 51 of the pedestal has a thickness of 0.2mm to 0.8mm, and may be 0.6mm to 0.8mm, preferably 0.7 mm. The bearing capacity of the connecting supports 50 is greatly improved, the distance between the connecting supports 50 is increased, and the cost is reduced. The stand-off upstanding edge 51 may also be welded to the second upstanding edge 41.
As shown in fig. 7 to 13, an embodiment of the present invention further provides a method for welding a metal roof.
The welding method comprises the following steps:
as shown in fig. 9, the connection holder 50 is attached to the support portion 20. The connection holder 50 is attached to the support portion 20 by, for example, screws or tapping screws 80. In some other embodiments, the fixing of the connecting support 50 may be performed by welding, riveting, screwing, or the like.
As shown in fig. 10 and 11, the first standing edge 31 of the first metal roof panel 30 is welded to the support standing edge 51 of the connecting support 50. For example, the first upright edge 31 and the stand-off upright edge 51 are spot welded or intermittently welded or continuously welded. The first upright edge 31 is welded to the support upright edge 51 to form a short weld 61, which can resist wind uncovering.
As shown in fig. 12, the first standing edge 31 is welded to the second standing edge 41 of the second metal roof panel 40 on the upper side of the stand standing edge 51. For example, the first upright edge 31 and the second upright edge 41 are continuously welded together. The first upright edge 31 and the second upright edge 41 are welded to form a long welding seam 62, which can play a role in sealing, water proofing and wind uncovering resistance. Specifically, the second metal roof panel 40 is installed in place, and the first and second metal roof panels 40 are welded together throughout their length using a dedicated welding device. Because the welding avoids the upright edge 51 of the support connected with the support 50, the welding quality can be fully ensured, and the watertight performance of the metal roof can be thoroughly ensured. In this embodiment, there is no need to ensure continuous welding at the connection seats as shown in fig. 1 to 6, and there is no need for very expensive welding equipment, which is advantageous for the popularization of welded metal roofing. The low cost of the welding equipment and the large spacing of the connecting pedestals 50 significantly reduces the cost of the project.
According to the metal roof disclosed by the embodiment of the invention, the height of the support vertical edge 51 connected with the support 50 is reduced (compared with the support vertical edge in the prior art such as in fig. 1-6), and then the vertical edge of the metal roof plate and the vertical edge connected with the support 50 are connected and fixed in a spot welding or continuous welding manner; finally the upright edges of the metal roof panels on both sides of the support are welded at the upper side of the upright edge 51 of the support. The vertical edge of the metal roof panel is welded with the vertical edge of the connecting support 50, so that the wind uncovering resistance is achieved. The vertical edge of the metal roof panel and the vertical edge of the metal roof panel are continuously welded together at the top of the connecting support 50, so that the sealing, waterproof and wind uncovering resistant effects can be achieved. Simple manufacture, low cost and sufficient wind uncovering damage resistance.
In some embodiments of the present invention, as shown in fig. 13, the welding method further includes mounting the decorative fastener 70 on the upper ends of the first upright edge 31 and the second upright edge 41, so that the first upright edge 31 and the second upright edge 41 are inserted into the decorative fastener 70 through the opening to perform the decorative and waterproof functions. Decorative fastener 70 may be inverted U-shaped in cross-section.
In some embodiments of the present invention, the welding method further includes welding the second upstanding edge 41 of the second metal roof panel 40 to the upstanding support edge 51 of the connecting support 50 before welding the first upstanding edge 31 to the second upstanding second edge 41 of the second metal roof panel 40 to meet different wind lift requirements.
The thickness of the standing edge 51 of the support can be increased in the embodiment of the invention, so that the thickness of the standing edge 51 of the support connected with the support 50 is more than 0.2 mm. For example, the thickness of the stand-off upright edge 51 of the connecting stand-off 50 is 0.2mm to 0.8mm, preferably 0.7 mm. The thickness of the upright edge 51 of the connecting support 50 can be thickened to 0.7mm, the bearing capacity of the connecting support 50 is greatly improved, the distance between the connecting supports 50 is increased, the cost is reduced, and the wind uncovering damage resistance of the metal roof plate can be met without reducing the distance between the connecting supports 50.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. The welding method of the metal roof is characterized in that the metal roof comprises a supporting part, a first metal roof panel, a second metal roof panel and a connecting support; the first metal roof panel and the second metal roof panel are arranged on the upper side of the supporting part, and the connecting support is arranged between the first metal roof panel and the second metal roof panel; the first metal roof panel has a first upright edge, the second metal roof panel has a second upright edge, and the connecting support has a support upright edge; and the welding method comprises:
mounting the connection support to the support portion;
welding the first upright edge of the first metal roof panel with the support upright edge of the connecting support;
welding said first upstanding edge to said second upstanding edge of said second metal roof panel at an upper side of said upstanding support edge.
2. The method for welding a metal roof according to claim 1,
the first vertical edge and the support vertical edge are in spot welding, intermittent welding or continuous welding.
3. The method for welding a metal roof according to claim 1,
and the first vertical edge and the second vertical edge are continuously welded in full length.
4. The method of welding a metal roof according to claim 1, wherein the metal roof further comprises a downwardly opening decorative fastener, the method further comprising:
and installing the decorative fastener on the upper ends of the first vertical edge and the second vertical edge, so that the first vertical edge and the second vertical edge are inserted into the decorative fastener through the opening.
5. The method of welding a metal roof according to claim 1, further comprising:
welding the second upright edge of the second metal roof panel to the support upright edge of the connecting support before welding the first upright edge to the second upright edge of the second metal roof panel.
6. The method for welding a metal roof according to claim 1,
the thickness of the support standing edge of the connecting support is greater than or equal to 0.2 mm.
7. The method for welding a metal roof according to claim 6,
the thickness of the support standing edge of the connecting support is 0.2 mm-0.8 mm.
8. The method for welding a metal roof according to claim 1,
the supporting part is a steel plate supporting layer; the connecting support is mounted on the supporting part through a self-tapping screw.
9. A metal roofing, comprising:
a support portion;
a first metal roof panel having a first standing edge and provided on an upper side of the support portion;
a second metal roof panel having a second upright edge and disposed on an upper side of the support portion; and
the connecting support is arranged on the supporting part and is provided with a support vertical edge; and is
The support vertical edge is arranged between the first vertical edge and the second vertical edge;
the upright edge of the support is welded to the first upright edge;
the first upright edge is welded to the second upright edge;
the welding position between the first vertical edge and the second vertical edge is positioned on the upper side of the vertical edge of the support.
10. The metal roofing of claim 9 further comprising a downwardly opening trim fastener through which the first and second upright edges are inserted into the trim fastener;
the thickness of the upright edge of the support is 0.2mm to 0.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031546.2A CN110835981A (en) | 2019-10-28 | 2019-10-28 | Metal roof welding method and metal roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031546.2A CN110835981A (en) | 2019-10-28 | 2019-10-28 | Metal roof welding method and metal roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110835981A true CN110835981A (en) | 2020-02-25 |
Family
ID=69575637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911031546.2A Pending CN110835981A (en) | 2019-10-28 | 2019-10-28 | Metal roof welding method and metal roof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110835981A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324285A (en) * | 2022-08-12 | 2022-11-11 | 珠海市晶艺玻璃工程有限公司 | Upright lockrand roofing system and roofing decoration connecting system |
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| JPS59171118U (en) * | 1983-05-02 | 1984-11-15 | 舩木商事有限会社 | roof |
| JPS60157825U (en) * | 1984-03-28 | 1985-10-21 | 川崎製鉄株式会社 | Metal cover plate for waterproofing |
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| CN202416717U (en) * | 2012-01-20 | 2012-09-05 | 北京启厦建筑科技有限公司 | Short rib weld metal roof plate and metal roof system |
| CN104179300A (en) * | 2014-07-11 | 2014-12-03 | 百安力钢结构应用科技有限公司 | Composite metal building enclosure system |
| CN105464294A (en) * | 2015-12-29 | 2016-04-06 | 深圳市鑫明光实业有限公司 | Roof system and continuous welding roof layer structure |
| CN207829317U (en) * | 2018-01-03 | 2018-09-07 | 北京启厦建筑科技有限公司 | Soldering stainless steel roof boarding and soldering stainless steel Roof system |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB982589A (en) * | 1960-10-03 | 1965-02-10 | Sven Olof Gronlund | Improvements in or relating to sheet-metal roof coverings |
| JPS5729725U (en) * | 1980-07-25 | 1982-02-16 | ||
| JPS59171118U (en) * | 1983-05-02 | 1984-11-15 | 舩木商事有限会社 | roof |
| JPS60157825U (en) * | 1984-03-28 | 1985-10-21 | 川崎製鉄株式会社 | Metal cover plate for waterproofing |
| CN201151978Y (en) * | 2007-12-28 | 2008-11-19 | 伍志森 | Sheet metal roofing structure |
| CN202416717U (en) * | 2012-01-20 | 2012-09-05 | 北京启厦建筑科技有限公司 | Short rib weld metal roof plate and metal roof system |
| CN104179300A (en) * | 2014-07-11 | 2014-12-03 | 百安力钢结构应用科技有限公司 | Composite metal building enclosure system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115324285A (en) * | 2022-08-12 | 2022-11-11 | 珠海市晶艺玻璃工程有限公司 | Upright lockrand roofing system and roofing decoration connecting system |
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Application publication date: 20200225 |
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