CN204662774U - A few shape steel pipe truss structures - Google Patents
A few shape steel pipe truss structures Download PDFInfo
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- CN204662774U CN204662774U CN201520322015.XU CN201520322015U CN204662774U CN 204662774 U CN204662774 U CN 204662774U CN 201520322015 U CN201520322015 U CN 201520322015U CN 204662774 U CN204662774 U CN 204662774U
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Abstract
The utility model relates to a kind of a few shape steel pipe truss structures, comprising: upper cross bar, middle part cross bar and lower crosspiece; Along two ends, left and right, downward oblique extension has upper left brace and upper right brace to upper cross bar, and upper left brace in the horizontal direction extension left has upper left flat bar; Upper right brace in the horizontal direction extension to the right has upper right flat bar; The longitudinal section of upper left flat bar, upper right flat bar, upper left brace, upper right brace and upper cross bar forms an a few font; Along two ends, left and right, downward oblique extension has middle left brace and middle right brace to middle part cross bar; Middle left brace in the horizontal direction extension left has the flat bar in a middle left side; Middle right brace in the horizontal direction extension to the right has the flat bar in the middle right side; The flat bar in a middle left side is connected with described lower crosspiece with the flat bar in the described middle right side; The longitudinal section of the flat bar in a middle left side, the flat bar in the middle right side, middle left brace, middle right brace and middle part cross bar is also in a few font; Middle left brace, middle right brace, middle part cross bar and lower crosspiece form an isosceles trapezoid.
Description
Technical field
The utility model relates to a kind of steel work, particularly a few shape steel pipe truss structures of one.
Background technology
Steel are homogeneous materials that a kind of tension, resistance to compression and shear strength are higher, and steel beam column generally can design comparatively light and handy, and thus the deadweight of steel work is lighter.At present, when adopting identical bridge, the span ability of steel bridge is greater than the bridge adopting other materials to build.For Medium Span bridge steel bridge, there is very strong competitiveness, and for the bridge of Ultra-Long Spans, then non-steel bridge does not belong to.In recent years, along with the continuous growth of China's iron and steel output, tubular truss is being used more and more widely, ratio shared is under construction increasing, and industrial premises, automobile and other industries equipment platform production line, logistic storage, public building sports palace, commercial club, high ferro platform, subway platform, High Rise Business Building etc. are used widely.Steel tubular structure also obtains larger breakthrough.The great advantage of steel tubular structure be can by people to the functional requirement of building, sense organ requires and economic benefit requires ideally to combine.The girder truss of a lot of large span is needed in building large-scale at present, and large-span truss beam realize moulded on play vital effect, and mostly require that the large-span truss beam moulding designed meets the requirement of whole plan, also need that there is enough load-bearing wind loading ratings simultaneously, require that again the rigidity improving architectural complex entirety is steady, so the structure design of large-span truss beam is extremely important, the stability of the whole building of relationship between quality of large-span truss beam simultaneously.
Therefore, need now to provide one can be applicable to large-span truss beam, there is strong load-bearing wind resistance energy and the high a few shape steel pipe truss structures of quality.
Utility model content
The technical problems to be solved in the utility model is, for existing deficiency, provides one can be applicable to large-span truss beam, has strong load-bearing wind resistance energy and the high a few shape steel pipe truss structures of quality.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, this few shape steel pipe truss structures comprises: upper cross bar, middle part cross bar and lower crosspiece; Described upper cross bar and described middle part cross bar are flat segments, and described upper cross bar is positioned at top, and described middle part cross bar is positioned at middle part; Described lower crosspiece is flat segments, is positioned at bottom; Along two ends, left and right, downward oblique extension has upper left brace and upper right brace to described upper cross bar, described upper left brace in the horizontal direction extension left has upper left flat bar, described upper right brace in the horizontal direction extension to the right has upper right flat bar, described upper left flat bar and described upper right flat bar are flat segments, and the longitudinal section of described upper left flat bar, upper right flat bar, upper left brace, upper right brace and described upper cross bar forms an a few font; Along two ends, left and right, downward oblique extension has middle left brace and middle right brace to described middle part cross bar; Described middle left brace in the horizontal direction extension left has the flat bar in a middle left side; Described middle right brace in the horizontal direction extension to the right has the flat bar in the middle right side; The flat bar of the flat bar in a described middle left side and the described middle right side is flat segments, and the flat bar in a described middle left side is connected with described lower crosspiece with the flat bar in the described middle right side; The longitudinal section of the flat bar in a described middle left side, the flat bar in the middle right side, middle left brace, middle right brace and described middle part cross bar is also in a few font; Described middle left brace, middle right brace, middle part cross bar and described lower crosspiece form an isosceles trapezoid.
Adopt technique scheme, when wind passes through the dynamics that can reduce wind from a few shape steel pipe truss structures, thus play windproof effect; The steel pipe truss structures unit of a few shape is formed by upper left brace, upper right brace, upper cross bar, upper left flat bar and upper right flat bar, and the flat bar in a middle left side, the flat bar in the middle right side, middle left brace, middle right brace and described middle part cross bar also form a few font, simultaneously, left brace, middle right brace, middle part cross bar and lower crosspiece form an isosceles trapezoid; Three is combined, the load-bearing wind loading rating of steel pipe truss can be improved well, make it be applicable to large-span truss beam; Simultaneously due to the planform that this few shape steel pipe truss structures is special, the moulded design of large-span truss beam can be met well.
Further improvement is, this few shape steel pipe truss structures also comprises web member, and described upper cross bar is all connected by described web member with described lower crosspiece with described middle part cross bar.By web member by upper cross bar, middle part cross bar is connected with lower crosspiece, can improve stability and the weight capacity of this few shape steel pipe truss structures further.
Further improvement is, described upper left brace is parallel with described middle left brace; Described upper right brace is parallel with described middle right brace.The design of equal shape can reduce the use of steel, saves material, reduces costs.
Further improvement is, described web member comprises vertical web member and oblique web member, and described vertical web member and described oblique web member form stable triangle.Form triangle by vertical web member and horizontal web member in upper cross bar and between middle part cross bar and lower crosspiece, stability and the weight capacity of this few shape steel pipe truss structures can be improved further.
As preferred version of the present utility model, described lower crosspiece is formed by 8 sections of lower box-type member weldings.
As preferred version of the present utility model, described upper cross bar is formed by 7 sections of upper box-type member weldings; Described middle part cross bar is formed by 5 sections of upper box-type member weldings.
As preferred version of the present utility model, the angle of described upper left brace and described upper cross bar is 120 ~ 130 °.
As preferred version of the present utility model, described vertical web member has 18; Described oblique web member between described upper cross bar and described middle part cross bar has 7; Between described upper left brace and described middle left brace, there is 1 oblique web member; Between described upper right brace and described middle right brace, there is 1 oblique web member; Oblique web member between described lower crosspiece and described middle part cross bar has 6; Between the flat bar of described upper left flat bar and a described middle left side, there are 4 oblique web members; Between the flat bar of described upper right flat bar and the described middle right side, there are 4 oblique web members.
As preferred version of the present utility model, described upper cross bar, middle part cross bar, lower crosspiece, upper left brace, upper right brace, upper left flat bar, upper right flat bar, middle left brace, middle right brace, the flat bar in a middle left side, the flat bar in the middle right side and web member all adopt steel pipe.
Compared with prior art, the beneficial effects of the utility model are: this few shape steel pipe truss structures wind passes through the dynamics that can reduce wind from a few shape steel pipe truss structures, thus plays windproof effect; The steel pipe truss structures unit of a few shape is formed by upper left brace, upper right brace, upper cross bar, upper left flat bar and upper right flat bar, and the flat bar in a middle left side, the flat bar in the middle right side, middle left brace, middle right brace and described middle part cross bar also form a few font, simultaneously, left brace, middle right brace, middle part cross bar and lower crosspiece form an isosceles trapezoid; Three is combined, the load-bearing wind loading rating of steel pipe truss can be improved well, make it be applicable to large-span truss beam; Simultaneously due to the planform that this few shape steel pipe truss structures is special, the moulded design of large-span truss beam can be met well.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
Fig. 1 is the front view schematic diagram of a few shape steel pipe truss structures of utility model;
Wherein: 1-upper cross bar; The upper left brace of 101-; The upper right brace of 102-; The upper left flat bar of 103-; The upper right flat bar of 104-; Cross bar in the middle part of 2-; Left brace in 201-; Right brace in 202-; Left flat bar in 203-; Right flat bar in 204-; 3-lower crosspiece; 4-web member; The vertical web member of 401-; The oblique web member of 402-.
Detailed description of the invention
Embodiment one: as shown in Figure 1, this few shape steel pipe truss structures comprises: upper cross bar 1, middle part cross bar 2 and lower crosspiece 3; Upper cross bar 1 and middle part cross bar 2 are flat segments, and upper cross bar 1 is positioned at top, and middle part cross bar 2 is positioned at middle part; Lower crosspiece 3 is flat segments, is positioned at bottom; Along two ends, left and right, downward oblique extension has upper left brace 101 and upper right brace 102 to upper cross bar 1, upper left brace 101 in the horizontal direction extension left has upper left flat bar 103, upper right brace 102 in the horizontal direction extension to the right has upper right flat bar 104, upper left flat bar 103 is flat segments with upper right flat bar 104, and upper left flat bar 103, upper right flat bar 102, upper left brace 101, upper right brace 102 form an a few font with the longitudinal section of upper cross bar 1; Along two ends, left and right, downward oblique extension has middle left brace 201 and middle right brace 202 to middle part cross bar 2; Middle left brace 201 in the horizontal direction extension left has the flat bar 203 in a middle left side; Middle right brace 202 in the horizontal direction extension to the right has the flat bar 204 in the middle right side; The flat bar in a middle left side 203 and the flat bar 204 in the middle right side are flat segments, and the flat bar in a middle left side 203 is connected with lower crosspiece 3 with the flat bar 204 in the middle right side; The flat bar in a middle left side 203, the flat bar in the middle right side 204, middle left brace 201, middle right brace 202 are also a few font with the longitudinal section of middle part cross bar 2; Middle left brace 201, middle right brace 202, middle part cross bar 2 form an isosceles trapezoid with lower crosspiece 3; This few shape steel pipe truss structures also comprises web member 4, and upper cross bar 1 is all connected by web member 4 with lower crosspiece 3 with middle part cross bar 2.Upper left brace 101 is parallel with middle left brace 201; Upper right brace 102 is parallel with middle right brace 202; Web member 4 comprises vertical web member 401 and oblique web member 402, and vertical web member 401 forms stable triangle with oblique web member 402; Lower crosspiece 3 is formed by 8 sections of lower box-type member weldings, and upper cross bar 1 is formed by 7 sections of upper box-type member weldings; Middle part cross bar 2 is formed by 5 sections of upper box-type member weldings; Upper left brace 101 is 120 ° with the angle of upper cross bar 1; Vertical web member 401 has 18; Oblique web member 402 between upper cross bar 1 and middle part cross bar 2 has 7; There is between upper left brace 101 and middle left brace 201 1 oblique web member 402; There is between upper right brace 102 and middle right brace 202 1 oblique web member 402; Oblique web member 402 between lower crosspiece 3 and middle part cross bar 2 has 6; There are between the flat bar of upper left flat bar 103 and a middle left side 203 4 oblique web members 402; There are between the flat bar of upper right flat bar 104 and the middle right side 204 4 oblique web members 402; Upper cross bar 1, middle part cross bar 2, lower crosspiece 3, upper left brace 101, upper right brace 102, upper left flat bar 103, upper right flat bar 104, middle left brace 201, middle right brace 202, the flat bar in a middle left side 203, the flat bar 204 in the middle right side and web member 4 all adopt steel pipe.
During use, several this few shape steel pipe truss structures can be connected to each other, forward connects or Opposite direction connection, all can form a few font of continuous print stepped.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model, all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc.; as changed the quantity of web member, the quantity etc. of upper box-type member, all should be included within protection domain of the present utility model.
Claims (9)
1. an a few shape steel pipe truss structures, is characterized in that, this few shape steel pipe truss structures comprises: upper cross bar, middle part cross bar and lower crosspiece; Described upper cross bar and described middle part cross bar are flat segments, and described upper cross bar is positioned at top, and described middle part cross bar is positioned at middle part; Described lower crosspiece is flat segments, is positioned at bottom; Along two ends, left and right, downward oblique extension has upper left brace and upper right brace to described upper cross bar, described upper left brace in the horizontal direction extension left has upper left flat bar, described upper right brace in the horizontal direction extension to the right has upper right flat bar, described upper left flat bar and described upper right flat bar are flat segments, and the longitudinal section of described upper left flat bar, upper right flat bar, upper left brace, upper right brace and described upper cross bar forms a few font; Along two ends, left and right, downward oblique extension has middle left brace and middle right brace to described middle part cross bar; Described middle left brace in the horizontal direction extension left has the flat bar in a middle left side; Described middle right brace in the horizontal direction extension to the right has the flat bar in the middle right side, and the flat bar of the flat bar in a described middle left side and the described middle right side is flat segments, and the flat bar in a described middle left side is connected with described lower crosspiece with the flat bar in the described middle right side; The longitudinal section of the flat bar in a described middle left side, the flat bar in the middle right side, middle left brace, middle right brace and described middle part cross bar is also in a few font; Described middle left brace, middle right brace, middle part cross bar and described lower crosspiece form an isosceles trapezoid.
2. a few shape steel pipe truss structures according to claim 1, is characterized in that, this few shape steel pipe truss structures also comprises web member, and described upper cross bar is all connected by described web member with described lower crosspiece with described middle part cross bar.
3. a few shape steel pipe truss structures according to claim 1, is characterized in that, described upper left brace is parallel with described middle left brace; Described upper right brace is parallel with described middle right brace.
4. a few shape steel pipe truss structures according to claim 2, is characterized in that, described web member comprises vertical web member and oblique web member, and described vertical web member and described oblique web member form stable triangle.
5. a few shape steel pipe truss structures according to any one of claim 1-4, is characterized in that, described lower crosspiece is formed by 8 sections of lower box-type member weldings.
6. a few shape steel pipe truss structures according to claim 5, is characterized in that, described upper cross bar is formed by 7 sections of upper box-type member weldings; Described middle part cross bar is formed by 5 sections of upper box-type member weldings.
7. a few shape steel pipe truss structures according to claim 6, is characterized in that, the angle of described upper left brace and described upper cross bar is 120 °-130 °.
8. a few shape steel pipe truss structures according to claim 4, is characterized in that, described vertical web member has 18; Described oblique web member between described upper cross bar and described middle part cross bar has 7; Between described upper left brace and described middle left brace, there is 1 oblique web member; Between described upper right brace and described middle right brace, there is 1 oblique web member; Oblique web member between described lower crosspiece and described middle part cross bar has 6; Between the flat bar of described upper left flat bar and a described middle left side, there are 4 oblique web members; Between the flat bar of described upper right flat bar and the described middle right side, there are 4 oblique web members.
9. a few shape steel pipe truss structures according to claim 8, it is characterized in that, described upper cross bar, middle part cross bar, lower crosspiece, upper left brace, upper right brace, upper left flat bar, upper right flat bar, middle left brace, middle right brace, the flat bar in a middle left side, the flat bar in the middle right side and web member all adopt steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322015.XU CN204662774U (en) | 2015-05-19 | 2015-05-19 | A few shape steel pipe truss structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520322015.XU CN204662774U (en) | 2015-05-19 | 2015-05-19 | A few shape steel pipe truss structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204662774U true CN204662774U (en) | 2015-09-23 |
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ID=54133169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520322015.XU Expired - Fee Related CN204662774U (en) | 2015-05-19 | 2015-05-19 | A few shape steel pipe truss structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204662774U (en) |
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2015
- 2015-05-19 CN CN201520322015.XU patent/CN204662774U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190519 |