CN205276472U - Large -span steel truss structure - Google Patents
Large -span steel truss structure Download PDFInfo
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- CN205276472U CN205276472U CN201620008365.3U CN201620008365U CN205276472U CN 205276472 U CN205276472 U CN 205276472U CN 201620008365 U CN201620008365 U CN 201620008365U CN 205276472 U CN205276472 U CN 205276472U
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- truss structure
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- steel truss
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Abstract
The utility model discloses a large -span steel truss structure, include a set of steelframe and be located between the adjacent steelframe to with the perpendicular jack truss of being connected of steelframe, the steelframe adopts two pin composite truss, and it includes: two support columns and the main couple that is located its top, the support column lower part is equipped with the column base, the support column includes: a set of steel column and the therebetween strengthening rib that distributes in turn, the main couple includes: a set ofly go up boom plate, a set of boom plate down and lie in the web between the two. Overall structure for convenient and fast more is under construction.
Description
Technical field
This utility model relates to a kind of steel building field, is specially a kind of large span steel truss structure.
Background technology
Large span steel truss because of its reasonable stress, can give full play to that the strength of materials, consumptive material be few, low from heavy and light, cost and the feature such as version is various, become and develop structure type faster at present, it is used for the large-span industrial building in industrial building, long span vestibule, aircraft assembly shop and bulk storage plant etc., the requirement manufactured due to it and install is high, the difficulty particularly installed is big, therefore, the construction of large-span space structure is one of important symbol of a national building technology level, from a side, reflect a national building technology level.
Super-span steel truss is frequently utilized for the industry fields such as heavy duty industrial Factory Building, stadiums, industrial pipeline vestibule, central plaza. Due to the weight in order to reduce whole steel construction, traditional large span steel truss all adopts single Pin sheet structure, but in entirety promotes, it is susceptible to the problems such as lateral thrust, if this problem cannot be solved, will largely hinder the steel structure truss application in construction engineering technical field; Meanwhile, at the scene in construction frequently with method be that the direct integral hoisting of loop wheel machine is in place and segmental hoisting high-altitude closes up. But when the installation site of steel truss structure is owing to being subject to the restriction of field condition, loop wheel machine just cannot being used directly to lift, now traditional way is: set up full hall scaffold, and by each rod member on-site consolidation on scaffold. But the labour force of the time length that this traditional method consumes, input is big, the cross section geometry of element joints, perpendicularity, rise of arch of curve, camber and welding quality etc. all control than in installation on ground difficulty.
Utility model content
Utility model purpose: the purpose of this utility model is to solve the deficiencies in the prior art, it is provided that a kind of the rigidity of structure is big, installation accuracy is high, and the large span steel truss structure constructing orderly.
Technical scheme: in order to realize object above, a kind of large span steel truss structure described in the utility model, including one group of steelframe with between adjacent steelframe, and the jack truss being connected with steel frame vertical; Described steelframe adopts double; two Pin composite roof truss, comprising: two support columns and the main couple being positioned at its top; Described support column bottom is provided with suspension column; Described support column includes: one group of steel column and therebetween alternatively distributed reinforcement; Described main couple includes: one group of upper string board, boom plate and web positioned there between under one group.
Steelframe adopts double; two Pin to combine steelframe, and compared with traditional single product truss, structure is more stable, is not susceptible to flexural deformation when bearing bigger load; Described support column and main couple all adopt the compound mode that primary and secondary is arranged in pairs or groups so that the rigidity of structure significantly promotes; It is provided with the jack truss structure of fixing connection normal thereto between simultaneously described steelframe, further ensures and between entirety, do not have the phenomenon rocked or distort.
Further, above-mentioned a kind of large span steel truss structure, described suspension column is inverted cone combination suspension column, and its underpart is connected by end plate and ground concrete structure are fixing.
Further, above-mentioned a kind of large span steel truss structure, the side of described steel column is provided with connection otic placode; Described connection otic placode is connected by bolt and steel column are fixing.
Further, above-mentioned a kind of large span steel truss structure, described reinforcement alternately connects and the triangle structure of steel column. Utilize the structural stability of triangle, it is ensured that the internal structure of support column is firm, will not because of the lower flexural deformation that internal structure occurs of the effect of big load.
Further, above-mentioned a kind of large span steel truss structure, described web is alternately fixing with upper string board and lower boom plate forms triangular structure. Structural stability further with triangle, it is ensured that the inside rigidity of main couple.
Further, above-mentioned a kind of large span steel truss structure, described support column adopts H profile steel to be welded, and described main couple adopts double; two abdomen T-steel to be welded.
The installation method of a kind of large span steel truss structure described in the utility model, including being divided into construction one district, construct 2nd district and construction three, 3rd district construction area by steel truss structure; Described construction two district is positioned between construction one district and construction 2nd district; Described construction one district is positioned at construction three tops, district; Concrete installation method is as follows:
1) installation of sliding rail: build different support systems in setting position according to different structures, and install elongated sliding rail on support system top;
2) assembly of sliding support frame:
1. assembled moulding bed is set in described construction two district, and completes the segmented assembly of sliding support frame horizontal truss;
2. the sliding support frame column of correspondence is installed on described sliding rail, temporary support is set in setting position, utilizes tower crane described sliding support frame horizontal truss segmentation to be fixedly mounted;
3. weld each and connect node, then remove temporary support, complete the assembly of described sliding support frame.
3) construct the installation of two district's steel truss structures: at the support column in setting position installation two district, and the jack truss of adjacent supports intercolumniation is installed; Then rely on the segmentation that sliding support frame completes main couple to install, and truss is seemed rod member be welded and fixed, according to the method, complete the installation of described construction two district steel truss structure;
4) construct the installation of district's first floor steel truss structure: with hoist engine, sliding support frame traction is slid onto the structure installation site in construction one district; Then according to the segmentation that the method described in step 3) completes construction one district's first floor truss structure is installed;
5) construct the installation of three district's steel truss structures: with hoist engine, sliding support frame traction is slid onto the structure installation site in construction 3rd district; Then with sliding support frame for supporting, the segmentation completing construction three district's longitudinal direction main couples and horizontal jack truss is installed; Finally residue Member Welding is completed;
6) construct the installation of upper strata, a district steel truss structure: on the first floor steel structure truss in completed described construction one district, build temporary support, and rely on temporary support to complete the installation of described construction one district second layer steel truss structure; It is sequentially completed the installation of each layer steel construction in top according to the method described above;
7) each interstructural embedding benefit rod member has been welded, and checked machining accuracy, finally each temporary support and sliding support frame have been unloaded, complete the installation of described large span steel truss structure.
Further, the installation method of above-mentioned a kind of large span steel truss structure, when the steel truss structure in 2nd district that construct is installed, described sliding support frame side is provided with conversion support, the unloading after construction two district's steel constructions complete of described conversion support.
Beneficial effect: a kind of large span steel truss structure described in the utility model and installation method thereof, have the advantage that feature big for overall structure span, that the number of plies is many, adopt the compound mode of double; two Pin composite roof truss collocation jack truss so that overall structure is more stable; Meanwhile, support column and main couple all adopt the compound mode that primary and secondary is arranged in pairs or groups so that the rigidity of whole each component of steelframe can have enough bearing capacitys.
Simultaneously, this utility model adopts sliding rail to complete the installation of each construction area, and described sliding rail replaces traditional scaffold, and what decrease a large amount of scaffold sets up work, sliding rail also has simple in construction, easy construction simultaneously, the features such as floor space labour force little, that put into takes effect greatly, meanwhile, the overall mode adopting subregion construction, version according to regional, adopt different construction methods, lifting machine, it is ensured that overall construction precision and accuracy. It it is a kind of construction method novel, efficient.
Accompanying drawing explanation
Fig. 1 is the structural representation of large span steel truss structure described in the utility model;
Fig. 2 is the overall structure figure of steelframe described in the utility model;
Fig. 3 is the structure chart of support column described in the utility model;
Fig. 4 is that steel truss structure integral construction region described in the utility model divides schematic diagram;
In figure: boom plate under 1-steelframe, 2-jack truss, 3-support column, 3-1-steel column, 3-2-reinforcement, 4-main couple, 4-1-upper string board, 4-2-, 4-3-web, 5-suspension column, 6-connect otic placode, S1-constructs a district, S2-constructs 2nd district, S3-constructs 3rd district.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, it is further elucidated with this utility model.
Embodiment
A kind of large span steel truss structure as shown in Figure 1 and Figure 2, including one group of steelframe 1 with between adjacent steelframe, and the jack truss 2 being connected with steel frame vertical; Described steelframe 1 adopts double; two Pin composite roof truss, comprising: two support columns 3 and the main couple 4 being positioned at its top; Described support column 3 bottom is provided with suspension column 5, and suspension column 5 adopts inverted cone combination suspension column, and is connected by fixing bolt and bottom xoncrete structure are fixing; Described support column 3 includes: one group of steel column 3-1 and therebetween alternatively distributed reinforcement 3-2, steel column 3-1 is formed by connecting by multistage steel plate, junction is provided with connection otic placode 6, connect otic placode 6 to be connected by bolt is fixing with steel column 3-1, meanwhile, reinforcement 3-2 is alternately connected so that triangle structure is fixing with steel column 3-1; Wherein said main couple 4 includes: one group of upper string board 4-1, boom plate 4-2 and web 4-3 positioned there between, its web 4-3 and upper string board 4-1 and lower boom plate 4-2 is alternately fixing forms triangular structure under one group. Adopting the collocation mode of primary and secondary, it is ensured that overall structural stability, double; two Pin composite roof trusses make, in entirety promotes, the problems such as lateral thrust are less likely to occur.
Preferably, above-mentioned a kind of large span steel truss structure, support column 3 as shown in Figure 2 adopts H profile steel to be welded, and described main couple 4 adopts double; two abdomen T-steel to be welded.
The present embodiment also provides for the installation method of a kind of large span steel truss structure, including steel truss structure is divided into construction one district S1, construct two district S2 and construction tri-construction areas of three district S3; Described construction two district S2 is between construction one district S1 and construction two district S2; Described construction one district S1 is positioned at construction three S3 tops, district; Concrete installation method is as follows:
1) installation of sliding rail: build different support systems in setting position according to different structures, and install elongated sliding rail on support system top;
2) assembly of sliding support frame:
1. assembled moulding bed is set at described construction two district S2, and completes the segmented assembly of sliding support frame horizontal truss;
2. the sliding support frame column of correspondence is installed on described sliding rail, temporary support is set in setting position, utilizes tower crane described sliding support frame horizontal truss segmentation to be fixedly mounted;
3. weld each and connect node, then remove temporary support, complete the assembly of described sliding support frame.
3) construct the installation of two district's S2 steel truss structures: at the support column 3 of setting position installation two district S2, and the jack truss 2 between adjacent supports post 3 is installed; Then rely on the segmentation that sliding support frame completes main couple 4 to install, and truss is seemed rod member be welded and fixed, according to the method, complete the installation of described construction two district S2 steel truss structure;
4) construct the installation of a district S1 first floor steel truss structure: with hoist engine, sliding support frame traction is slid onto the structure installation site of construction one district S1; Then according to the segmentation that the method described in step 3) completes construction one district S1 first floor truss structure is installed;
5) construct the installation of three district's S3 steel truss structures: with hoist engine, sliding support frame traction is slid onto the structure installation site of construction three district S3; Then with sliding support frame for supporting, the segmentation completing construction three district S3 longitudinal direction main couples 4 and horizontal jack truss 2 is installed; Finally residue Member Welding is completed;
6) construct the installation of S1 upper strata, a district steel truss structure: on the first floor steel structure truss of completed described construction one district (S1), build temporary support, and rely on temporary support to complete the installation of described construction one district S1 second layer steel truss structure; It is sequentially completed the installation of each layer steel construction in top according to the method described above;
7) each interstructural embedding benefit rod member has been welded, and checked machining accuracy, finally each temporary support and sliding support frame have been unloaded, complete the installation of described large span steel truss structure.
Preferably, the installation method of above-mentioned a kind of large span steel truss structure, when the steel truss structure of its two district S2 that construct is installed, described sliding support frame side is provided with conversion support, the unloading after construction two district's S2 steel constructions complete of described conversion support.
Embodiment is merely to illustrate this utility model rather than limits scope of the present utility model, after having read this utility model, the amendment of the various equivalent form of values of the present utility model is all fallen within the application claims limited range by those skilled in the art.
Claims (6)
1. a large span steel truss structure, it is characterised in that: including: one group of steelframe (1) and between adjacent steelframe, and the jack truss (2) being connected with steel frame vertical; Described steelframe (1) adopts double; two Pin composite roof truss, comprising: two support columns (3) and be positioned at the main couple (4) at its top; Described support column (3) bottom is provided with suspension column (5); Described support column (3) including: one group of steel column (3-1) and therebetween alternatively distributed reinforcement (3-2); Described main couple (4) including: one group of upper string board (4-1), boom plate (4-2) and web (4-3) positioned there between under one group.
2. a kind of large span steel truss structure according to claim 1, it is characterised in that: described suspension column (5) combines suspension column for inverted cone, and its underpart is connected by end plate and ground concrete structure are fixing.
3. a kind of large span steel truss structure according to claim 1, it is characterised in that: the side of described steel column (3-1) is provided with connection otic placode (6); Described connection otic placode (6) is connected by bolt and steel column (3-1) are fixing.
4. a kind of large span steel truss structure according to claim 1, it is characterised in that: described reinforcement (3-2) alternately connects and steel column (3-1) triangle structure.
5. a kind of large span steel truss structure according to claim 1, it is characterised in that: described web (4-3) is alternately fixing with upper string board (4-1) and lower boom plate (4-2) forms triangular structure.
6. a kind of large span steel truss structure according to claim 1, it is characterised in that: described support column (3) adopts H profile steel to be welded, and described main couple (4) adopts double; two abdomen T-steel to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620008365.3U CN205276472U (en) | 2016-01-05 | 2016-01-05 | Large -span steel truss structure |
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| CN201620008365.3U CN205276472U (en) | 2016-01-05 | 2016-01-05 | Large -span steel truss structure |
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| CN205276472U true CN205276472U (en) | 2016-06-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442705A (en) * | 2016-01-05 | 2016-03-30 | 江苏沪宁钢机股份有限公司 | Large-span steel truss structure and installation method thereof |
| CN106013419A (en) * | 2016-06-13 | 2016-10-12 | 中建六局第三建筑工程有限公司 | Construction method for long-span overhung specially-shaped limit exceeding structure steel corridor |
-
2016
- 2016-01-05 CN CN201620008365.3U patent/CN205276472U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442705A (en) * | 2016-01-05 | 2016-03-30 | 江苏沪宁钢机股份有限公司 | Large-span steel truss structure and installation method thereof |
| CN106013419A (en) * | 2016-06-13 | 2016-10-12 | 中建六局第三建筑工程有限公司 | Construction method for long-span overhung specially-shaped limit exceeding structure steel corridor |
| CN106013419B (en) * | 2016-06-13 | 2018-03-16 | 中建六局第三建筑工程有限公司 | Long-span Cantilever abnormity transfinites structural steel corridor construction engineering method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 214200 Baijia village, Zhangzhu Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU HUNING STEEL MECHANISM Co.,Ltd. Address before: 214200 Zhang Zhu Zhen Bai Jia Cun, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU HUNING STEEL MECHANISM Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |