CN103031925B - Light steel truss formed by stretching and combining strip steel - Google Patents
Light steel truss formed by stretching and combining strip steel Download PDFInfo
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- CN103031925B CN103031925B CN201210592881.1A CN201210592881A CN103031925B CN 103031925 B CN103031925 B CN 103031925B CN 201210592881 A CN201210592881 A CN 201210592881A CN 103031925 B CN103031925 B CN 103031925B
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- truss
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Abstract
The invention provides a light steel truss formed by stretching and combining strip steel. The truss is formed by assembling and combining a pair of Z-shaped latticed section steel in a welding manner, wherein the Z-shaped latticed section steel is provided with two mutually parallel flanges and a plurality of web members that are arranged between the flanges in parallel and at intervals, and the pair of Z-shaped latticed section steel is combined in a superimposed manner. The truss can be used for substituting the ordinary steel bar truss, and serving as a light section steel structure purline, and can be used for prefabricating a superimposed sheet.
Description
Technical field
The invention belongs to building element technical field, be related to a kind of by strip stretching combinations formed light-duty
Steel truss.Described truss is by being spelled a pair by the Z-type lattice configuration steel that strip plane out-draw is formed
Dress combination is formed.
Background technology
Truss is widely used in building structure.The constituent material of truss may include timber, steel,
Armored concrete or combinations thereof.According to building structure and construction demand, designing and preparing truss
When, need to consider each side such as use occasion, mechanical condition, material requirements, form of construction work
Factor.
At present, in the monolithic construction in Architectural Construction such as Prefabricated stacking floor technology, in order to increase
Plus the rigidity of component and globality and lifting operability, the truss structure with reinforcing bar can be adopted.Separately
Outward, roof purline can also adopt truss structure, can be with material-saving.
In order to application in building element for the further genralrlization truss is it is necessary to design and preparation one kind are used
Way is extensively, mechanical property is good, be easy to make the novel truss structure processing and being easy to construction and installation.
Content of the invention
The present invention is intended to provide a kind of new truss, specifically one kind is formed by strip stretching combinations
Light steel truss.Described light steel truss has that reasonable stress, integral rigidity be big, processing and fabricating is simple
Single the advantages of.
What the present invention provided is by a pair of Z-type lattice by the light steel truss that strip stretching combinations are formed
Steel assembling combination forms, and wherein said Z-type lattice configuration steel has two edges of a wing being parallel to each other of side
And it is connected to multiple web members of parallel interval arrangement between the edge of a wing.
Described Z-type lattice configuration steel is to be integrally formed by plane out-draw by strip, and described strip has
The parallel slit of a plurality of cutting is in order to form the configuration after stretching.
The cell being formed between the plurality of web member of described Z-type lattice configuration steel is parallelogram.Institute
State multiple web members parallel interval between the described edge of a wing to arrange and with respect to described Z-type lattice configuration steel
Longitudinally there is inclination angle.
The cross sectional shape on the edge of a wing of described Z-type lattice configuration steel can be in-line or band crimping shape.
As needed, the configuration of described light steel truss includes triangle, trapezoidal or combinations thereof.
For described light steel truss, can be by adjusting its a pair of Z-type lattice configuration steel used
Web member spacing and combination, thus form the light steel truss of multiple configurations.
Present invention also offers a kind of method making light steel truss.Methods described includes：Using band
Steel is integrally formed Z-type lattice configuration steel by plane out-draw；Then by a pair of identical Z-type lattice
Steel passes through splicing, and for example with being welded to connect, combination forms required light steel truss.
The light steel truss of the present invention has the advantage that：
（1）Described Z-type lattice configuration steel makes simple, material-saving, and can using same steel band
To produce the product of different size.
（2）Described light steel truss reasonable stress itself, rigidity is larger, in transport and hoisting process
It is unlikely to deform.
（3）Extensively, alternative steel bar girder is used for prefabricated superimposed sheet to described truss product purpose, also may be used
Roof purline as light section steel structure.
Brief description
Based on the aforementioned brief introduction about content of the invention, and it is embodied as the present invention according to aftermentioned
The detailed description of mode, here provides figure below to enable technical scheme and feature
Access and be better understood from.
Fig. 1 schematically illustrates, according to a kind of specific embodiment of the present invention, for assembling combination
Form a pair of Z-type lattice configuration steel of light steel truss, wherein Z-type lattice configuration steel has the yi word pattern edge of a wing.
Fig. 2 is the light steel truss that a pair of Z-type lattice configuration steel assembling combination as shown in Figure 1 is formed
Schematic diagram.
Fig. 3 is the schematic diagram with joint-cutting strip making the Z-type lattice configuration steel shown in Fig. 1.
Fig. 4 is the Z-type lattice being formed after strip as shown in Figure 3 is integrally formed by plane out-draw
The schematic diagram of configuration steel.
Fig. 5 schematically illustrates, according to another kind of specific embodiment of the present invention, for assembled group
Close a pair of Z-type lattice configuration steel forming light steel truss, wherein Z-type lattice configuration steel has band crimping type
The edge of a wing.
Fig. 6 is the light steel truss that a pair of Z-type lattice configuration steel assembling combination as shown in Figure 5 is formed
Schematic diagram.
Fig. 7 is the schematic diagram with joint-cutting strip making the Z-type lattice configuration steel shown in Fig. 5.
Fig. 8 is the Z-type lattice being formed after strip as shown in Figure 7 is integrally formed by plane out-draw
The schematic diagram of configuration steel.
Specific embodiment
In order that technical scheme and specific features better understood when, hereinafter carry
For pin, specific description of embodiments of the present invention, in order to make further to present disclosure and feature
Explanation.
One of embodiment 1. light steel truss
As depicted in figs. 1 and 2, the light steel truss 200 being formed by strip stretching combinations is by a pair of Z
Type lattice configuration steel 100 assembling combination forms, and wherein said Z-type lattice configuration steel 100 has the two of side
The individual edge of a wing 110 being parallel to each other and the multiple web members being connected to parallel interval arrangement between the edge of a wing 110
120, and the pair of Z-type lattice configuration steel 100 assembling combination in the way of positive and negative being stacked.
Preferably, the pair of Z-type lattice configuration steel 100 passes through to weld assembling combination.
Described Z-type lattice configuration steel 100 is by strip 300（Fig. 3）It is integrally formed by plane out-draw,
Described strip 300 has the parallel slit 330 of a plurality of cutting in order to form the configuration after stretching（Fig. 4）.
The cell 130 being formed between the plurality of web member 120 of described Z-type lattice configuration steel 100 is flat
Row quadrangle.The plurality of web member 120 parallel interval between the described edge of a wing 110 arranges and relative
Longitudinal direction in described Z-type lattice configuration steel 100 has inclination angle.Preferably, described inclination angle is about 30 ° to about
60°.
The adjacent spacing of multiple web members 120 of described Z-type lattice configuration steel 100 is preferably about 50mm
To about 300mm.The length of Z-type lattice configuration steel 100 can be designed according to actual requirement of engineering.
The thickness on described web member 120 and the described edge of a wing 110 is preferably about 1mm to about 5mm.
The cross sectional shape on the described edge of a wing 110 of described Z-type lattice configuration steel 100 is in-line, its wing centre section
Edge 110 is approximately perpendicular to the plane that multiple web members 120 are formed.
The width on the described edge of a wing 110 is about 20mm to about 100mm.
As needed, the configuration of described light steel truss includes triangle, trapezoidal or combinations thereof.
As shown in Fig. 2 in this example light steel truss be configured as triangle and trapezoidal combination.
For light steel truss described by for this example, can be by adjusting the plurality of web member 120
Spacing and the pair of Z-type lattice configuration steel 100 assembling combination mode, formed be applied to difference
The truss configuration of occasion.
The two of embodiment 2. light steel truss
As shown in Fig. 5 and Fig. 5, the light steel truss 600 being formed by strip stretching combinations is by a pair of Z
Type lattice configuration steel 500 assembling combination forms, and wherein said Z-type lattice configuration steel 500 has the two of side
The individual edge of a wing 510 being parallel to each other and the multiple web members being connected to parallel interval arrangement between the edge of a wing 510
520, and the pair of Z-type lattice configuration steel 500 assembling combination in the way of positive and negative being stacked.
Preferably, the pair of Z-type lattice configuration steel 500 passes through to weld assembling combination.
Described Z-type lattice configuration steel 500 is by strip 700（Fig. 7）It is integrally formed by plane out-draw,
Described strip 700 has the parallel slit 730 of a plurality of cutting in order to form the configuration after stretching（Fig. 4）.
The cell 530 being formed between the plurality of web member 520 of described Z-type lattice configuration steel 500 is flat
Row quadrangle.The plurality of web member 520 parallel interval between the described edge of a wing 510 arranges and relative
Longitudinal direction in described Z-type lattice configuration steel 500 has inclination angle.Preferably, described inclination angle is about 30 ° to about
60°.
The adjacent spacing of multiple web members 520 of described Z-type lattice configuration steel 500 is preferably about 50mm
To about 300mm.The length of Z-type lattice configuration steel 500 can be designed according to actual requirement of engineering.
The thickness on described web member 520 and the described edge of a wing 510 is preferably about 1mm to about 5mm.
The cross sectional shape on the described edge of a wing 510 of described Z-type lattice configuration steel 500 is band crimping shape, wherein
The cross sectional shape on the edge of a wing 510 of described Z-type lattice configuration steel 500 is band crimping shape, the wherein edge of a wing 510
The part of neighbouring the plurality of web member 520 is approximately perpendicular to the plane being formed by multiple web members 520,
And the edge of a wing 510 bead portion 511 collapses and parallel to multiple web members towards the plurality of web member 520
520 planes being formed.
The described edge of a wing 510 not include crimping but include crimping thickness of slab including width be about 20mm extremely
About 100mm.
As needed, the configuration of described light steel truss includes triangle, trapezoidal or combinations thereof.
As shown in fig. 6, in this example light steel truss be configured as triangle.
For light steel truss described by for this example, can be by adjusting the plurality of web member 520
Spacing and the pair of Z-type lattice configuration steel 500 assembling combination mode, formed be applied to difference
The truss configuration of occasion.
The making of embodiment 3. light steel truss
The preparation of this example light steel truss employs including following processes：
（1）Make Z-type lattice configuration steel.First select strip, then adopt particular manufacturing craft oblique on strip
To cutting out parallel a plurality of gap, if necessary to edge of a wing band crimping, then existed using clod wash processing technology
Two edges of a wing in strip width direction bend out the crimping that suitable width is, for example, 15mm～30mm, so
Special mechanical equipment is adopted to apply pulling force to its two edge of a wing respectively along the outer direction of strip plane, by both wings afterwards
Edge pulls open formation cell and diagonal web member, makes strip be stretched as the Z-type for parallelogram for the described cell
Lattice configuration steel.The utility model that concrete preparation method refers to Application No. CN201020125807.5 is special
The content of profit.
（2）By a pair of identical Z-type lattice configuration steel splicing, using being welded to connect, combination forms required
Light steel truss.As needed, the configuration of described light steel truss include triangle, trapezoidal or it
Combination.By adjusting the spacing of multiple web members and the assembling combination side of a pair of Z-type lattice configuration steel
Formula, can form the truss configuration being applied to different occasions.
In description herein, product to the present invention and method be described as special shape, material or
Process sequence, and it is detailed to provide some for illustrative purposes for some specific embodiments
Parameter.It is understood, however, that these specifically describe technical scheme not to be produced to limit making
With；That is change and accommodation about shape, material or process sequence are still included in this
Within bright spirit and scope.
Above-mentioned specific embodiment is to describe and explain to carry out example to present invention, not
It is used for carrying out any restriction to the scope of the present invention.Those skilled in the art applies the explanation of the present invention
Equivalent structure or the change of material that book and claim are done, all should belong to protection scope of the present invention.
Claims (11)
1. a kind of light steel truss being formed by strip stretching combinations is it is characterised in that described truss is
Formed by a pair of Z-type lattice configuration steel assembling combination, wherein said Z-type lattice configuration steel has the two of side
The individual edge of a wing being parallel to each other and the multiple web members being connected to parallel interval arrangement between the described edge of a wing, and
And the pair of Z-type lattice configuration steel assembling combination in the way of positive and negative being stacked；
Wherein, the plurality of web member of described Z-type lattice configuration steel parallel interval row between the described edge of a wing
Arrange and with respect to the longitudinal direction of described Z-type lattice configuration steel, there is inclination angle, thus the cell being formed is parallel
Quadrangle；And by adjusting the spacing of the plurality of web member and the pair of Z-type lattice configuration steel
Assembling combination mode, forms the truss configuration needing；Due to the pair of Z-type lattice configuration steel each wing
Edge and web member configuration with angle, along with assembling combination by way of positive and negative being stacked, in structure
Make described light steel truss reasonable stress, integral rigidity big, and processing and fabricating is easy, be applied to
The occasion of different truss configurations.
2. truss according to claim 1, wherein said truss is by the pair of Z-type lattice
Shaped steel is formed by welding assembling combination.
3. truss according to claim 1, wherein said Z-type lattice configuration steel is to be passed through by strip
Plane out-draw is integrally formed, and described strip has the parallel slit of a plurality of cutting in order to be formed after stretching
Configuration.
4. truss according to claim 1, wherein said inclination angle is 30 ° to 60 °.
5. truss according to claim 1, the plurality of abdomen of wherein said Z-type lattice configuration steel
The adjacent spacing of bar is 50mm to 300mm.
6. truss according to claim 1, the thickness on wherein said web member and the described edge of a wing is
1mm to 5mm.
7. truss according to claim 1, the described edge of a wing of wherein said Z-type lattice configuration steel
Cross sectional shape is in-line, and the wherein said edge of a wing is approximately perpendicular to the plane that the plurality of web member is formed.
8. truss according to claim 1, the described edge of a wing of wherein said Z-type lattice configuration steel
Cross sectional shape be band crimping shape, the wherein said edge of a wing adjacent to the plurality of web member part perpendicular to by institute
State the plane that multiple web members are formed, and described edge of a wing bead portion collapses simultaneously towards the plurality of web member
And the plane being formed parallel to the plurality of web member.
9. truss according to claim 7, the width on the wherein said edge of a wing is for 20mm extremely
100mm.
10. truss according to claim 8, the wherein said edge of a wing do not include crimping but include volume
Side plate is thick to be 20mm to 100mm in interior width, and the width of described bead portion is for 15mm extremely
30mm.
11. truss according to claim 1, wherein said truss be configured as triangle, trapezoidal or
Combinations thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210592881.1A CN103031925B (en) | 2012-12-31 | 2012-12-31 | Light steel truss formed by stretching and combining strip steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210592881.1A CN103031925B (en) | 2012-12-31 | 2012-12-31 | Light steel truss formed by stretching and combining strip steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103031925A CN103031925A (en) | 2013-04-10 |
| CN103031925B true CN103031925B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210592881.1A Active CN103031925B (en) | 2012-12-31 | 2012-12-31 | Light steel truss formed by stretching and combining strip steel |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112832410A (en) * | 2021-02-09 | 2021-05-25 | 唐山华纤科技有限公司 | Integral keel framework and processing method thereof |
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| CN102648321A (en) * | 2009-10-09 | 2012-08-22 | 跨度高科技法国(有限责任公司) | Collapsible lattice beam, truss and construction including such a beam |
| CN203034683U (en) * | 2012-12-31 | 2013-07-03 | 清华大学建筑设计研究院有限公司 | Light steel truss formed by stretching and combining strip steel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101280625B (en) * | 2008-05-30 | 2011-08-17 | 北京中建柏利工程技术发展有限公司 | Non-welding assembly shuttering system |
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|---|---|---|---|---|
| CN1183822A (en) * | 1995-05-04 | 1998-06-03 | 格哈德·施毛泽 | Modular building framework |
| JP4352582B2 (en) * | 2000-05-23 | 2009-10-28 | Ｊｆｅスチール株式会社 | Steel truss joint structure |
| CN1338548A (en) * | 2000-08-11 | 2002-03-06 | 许琦 | Truss with steel frame for reinforced concrete structure |
| AU2004286000A1 (en) * | 2003-10-28 | 2005-05-12 | Ispan Systems Lp | Upper Chord Bearing Cold-Formed Steel Joists |
| CN101046092A (en) * | 2007-04-18 | 2007-10-03 | 上海市第二市政工程有限公司 | Reinforcing bar cage hoisting structure for canal wal construction |
| CN102648321A (en) * | 2009-10-09 | 2012-08-22 | 跨度高科技法国(有限责任公司) | Collapsible lattice beam, truss and construction including such a beam |
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| CN103031925A (en) | 2013-04-10 |
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