CN216973898U - Cable bearing grid steel roof structure for stadium - Google Patents
Cable bearing grid steel roof structure for stadium Download PDFInfo
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- CN216973898U CN216973898U CN202121494940.2U CN202121494940U CN216973898U CN 216973898 U CN216973898 U CN 216973898U CN 202121494940 U CN202121494940 U CN 202121494940U CN 216973898 U CN216973898 U CN 216973898U
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Abstract
The utility model discloses a cable-supported grid stadium steel roof structure which comprises a grid steel structure (1), truss support columns (2), a concrete stand (3), radial steel cables (4), annular steel cables (5), vertical support rods (6) and inclined support rods (7), wherein each inclined support rod comprises a rod piece (701), adjusting threaded assemblies (702) arranged at two ends of the rod piece and angle adjusting assemblies arranged at two ends of the rod piece; the inclined stay bar is hinged with cast steel nodes of the radial steel cable and the annular steel cable and the grid steel structure (1) through adjusting thread components respectively, and the angle adjusting component comprises a spherical hinge lug piece (703) and a needle bearing (704) matched with the spherical hinge lug piece. The utility model realizes the functions of length adjustment and automatic angle adjustment of the inclined strut, and solves the problems of difficult adjustment of the deformation of the eaves of the steel roof, influence on safety due to additional construction stress, difficult construction operation and high construction cost in the prior art.
Description
Technical Field
The utility model relates to the technical field of installation of steel structures of stadiums, in particular to a cable bearing grid steel roof structure of a stadium.
Background
With the development of steel structure supporting systems of stadiums, the cable bearing grid steel structure is widely applied due to the obvious stress characteristic. But for the cable-supported grid steel structure of the stadium, the cornice deformation of the overhanging steel roof is difficult to control. The key of the construction of the cable bearing grid steel structure is to keep the coordination of the force and the shape of the tension cable, the stay bar and the grid steel structure. The radial cables are tensioned to tighten the circumferential cables and the supporting rods, wherein the inclined supporting rods connected with the eaves of the steel roof are key components for adjusting force and shape.
Under the existing technical conditions, a method of firstly installing the diagonal brace or a method of secondly installing the diagonal brace can be adopted for installing the diagonal brace. The publication number CN111424822A relates to a method for constructing a circular large cantilever cable grid bearing structure without a support, which comprises the steps of firstly carrying out structural installation on the periphery of a steel structure, then laying a circular cable, and installing a circular cable clamp; then laying and installing the radial cables; firstly, laying an installation support frame, and then completing steel structure installation of an upper inner top steel structure, an upper outer top steel structure and a ring beam; then installing an upper inner stay cable, an upper outer stay cable and an upper bottom stay cable; the connection of the radial cable, the annular cable and the cable clamp with the stay bar is realized; then, the radial cables are integrally tensioned and tensioned to form a structure until the outer ring jig frame is separated, then the installation of the inner side inclined stay rod is completed, and then the upper inner inclined stay cable, the upper outer inclined stay cable and the upper bottom inclined stay cable are disassembled; and finally, the roof, the carriageway and the like are completed, the construction of the whole structure is completed, the problem that the front end of the roof deforms downwards is solved, but the inclined stay bars are formed by directly welding steel pipe rods and steel casting ear plates and lack of adjustability, and the problems that the eaves of the steel roof with a flexible structure is difficult to deform and adjust, the construction additional stress influences the safety, the construction operation is difficult and the construction cost is high in the construction process are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a cable-supported grid stadium steel roof structure.
In order to achieve the purpose of the utility model, the technical scheme provided by the utility model is as follows:
a steel roof structure of a cable-supported grid stadium comprises a grid steel structure, a truss supporting column, a concrete stand, a radial steel cable, a circumferential steel cable, a vertical stay bar and an inclined stay bar, wherein one end of the truss supporting column is arranged on the concrete stand and is fixedly connected with the concrete stand, and the other end of the truss supporting column is hinged with the grid steel structure;
a plurality of vertical support rods are uniformly arranged below the grid steel structure, radial steel cables and circumferential steel cables are connected to the vertical support rods, the circumferential steel cables connected with the vertical support rods are closed circular rings, one ends of the oblique support rods are hinged to the grid steel structure, and the other ends of the oblique support rods are hinged to cast steel nodes of the radial steel cables and the circumferential steel cables;
the inclined stay bar comprises a rod piece, adjusting thread assemblies arranged at two ends of the rod piece and angle adjusting assemblies arranged at two ends of the rod piece;
the inclined stay bar is hinged with cast steel nodes of the radial steel cable and the annular steel cable and a grid steel structure respectively through an adjusting thread assembly, and the angle adjusting assembly comprises a spherical hinge lug and a needle bearing matched with the spherical hinge lug; the angle adjusting assembly is used for adjusting the connecting angle of the rod piece and the support hinged to the two ends of the rod piece to enable the inclined support rod to be completely in an axis stress state, the risk of additional bending stress of the rod end caused by installation errors, stress deformation of a flexible structure, temperature action and the like is reduced, and the safety of the cable bearing grid steel structure is obviously enhanced.
As a further improvement of the utility model, the rod piece is a steel pipe column, the diameter of the steel pipe column is 180-200 mm, and the wall thickness of the steel pipe column is 8-10 mm.
As a further improvement of the utility model, the stroke adjusting range of the adjusting thread assembly is 0-60 mm.
As a further improvement of the utility model, the angle adjusting range of the spherical hinge ear piece is 0-15 degrees.
As a further improvement of the utility model, the bearing capacity of the needle roller bearing ranges from 2500 kN to 3000 kN.
As a further improvement of the utility model, the grid steel structure, the truss supporting column, the concrete stand, the radial steel cable, the circumferential steel cable, the vertical stay bar and the diagonal stay bar are connected with each other to form an integral connecting structure.
As a further improvement of the utility model, the circumferential steel cable is arranged in a closed ring shape, the circumferential steel cable is a combined cable of six steel strands, the diameter of each steel strand is 125-140 mm, and the weight of the circumferential steel cable is 90-150 kg per linear meter.
As a further improvement of the radial steel cable, the radial steel cable is radially arranged, the radial steel cable is a steel strand single cable, and the diameter of the steel strand single cable is 122-140 mm.
Based on the technical scheme, compared with the prior art, the utility model has the following technical advantages:
the utility model increases the selectivity of the installation method by arranging the diagonal brace with adjustable length at the cornice of the cable-supported grid stadium steel roof, can adopt a method of installing the diagonal brace firstly and a method of installing the diagonal brace afterwards, and obviously improves the construction efficiency of the two installation methods: the method of firstly installing the inclined support rods can be used for one-time stretch forming, the height of the eave opening is adjusted in a micro mode through adjusting the threaded assemblies, and the height consistency of the eave opening at the overhanging end of the steel roof is rapidly achieved; the 'rear-mounted diagonal brace rod method' can quickly realize the connection of the annular steel cable and the diagonal brace rod by adjusting the threaded component, and reduces the procedures of on-site cutting, re-welding and the like of the diagonal brace rod caused by on-site installation errors.
The spherical hinge ear pieces and the needle roller bearings are arranged at the two ends of the inclined strut, the angle between the inclined strut and the supports at the two ends can be automatically adjusted, the inclined strut can be completely in an axis stress state, the risk of additional bending stress of the rod end caused by installation errors, stress deformation of a flexible structure, temperature action and the like is reduced, and the safety of the cable bearing grid steel structure is obviously enhanced.
Through a plurality of effective experiments, the integral assembly and the connection relation can meet the use safety in the installation process and the whole life cycle of a steel structure, the deformation of the flexible structure in the tensioning process and the adjustment work of the coordination of the stress become simple through the functions of length adjustment and automatic angle adjustment, the difficulty of adjusting the stress parameter and the deformation parameter of the grid steel structure in a double-control mode is greatly reduced, the construction labor intensity is obviously reduced, the material waste is reduced, the construction time is saved, and the construction cost is reduced.
Drawings
Fig. 1 is a schematic front view of a diagonal member of the present invention.
Fig. 2 is a schematic side view of a diagonal brace member of the present invention.
Figure 3 is a schematic cross-sectional view of the construction of the steel stadium roof structure with cable-supported grid of the present invention.
Fig. 4 is a schematic plan view of the lattice steel structure of the present invention.
FIG. 5 is a schematic plan view of the radial and hoop steel cords of the present invention.
In the figure: 1-grid steel structure, 2-truss support column, 3-concrete stand, 4-radial steel cable, 5-circumferential steel cable, 6-vertical stay bar, 7-diagonal stay bar, 701-rod piece, 702-adjusting thread component, 703-spherical hinge lug piece and 704-needle bearing.
Detailed Description
The utility model is further explained below with reference to the figures and examples.
As shown in fig. 1-5, a cable-supported grid steel stadium steel roof structure comprises a grid steel structure 1, a truss support column 2, a concrete stand 3, a radial steel cable 4, a circumferential steel cable 5, a vertical strut 6 and an inclined strut 7, wherein one end of the truss support column 2 is arranged on the concrete stand 3 and fixedly connected, and the other end is hinged with the grid steel structure 1;
a plurality of vertical support rods 6 are uniformly arranged below the grid steel structure 1, radial steel cables 4 and circumferential steel cables 5 are connected to the vertical support rods 6, the circumferential steel cables 5 connected with the vertical support rods 6 are closed circular rings, one end of each diagonal support rod 7 is hinged to the grid steel structure 1, and the other end of each diagonal support rod is hinged to cast steel nodes of the radial steel cables 4 and the circumferential steel cables 5;
the inclined strut 7 comprises a rod 701, adjusting thread assemblies 702 arranged at two ends of the rod 701 and angle adjusting assemblies arranged at two ends of the rod 701;
the diagonal brace 7 is hinged with cast steel nodes of the radial steel cable 4 and the circumferential steel cable 5 and the grid steel structure 1 through an adjusting thread assembly 702, and the angle adjusting assembly comprises a spherical hinge lug 703 and a needle bearing 704 matched with the spherical hinge lug 703;
the angle adjusting assembly is used for adjusting the connecting angle of the rod 701 and the support hinged to the two ends of the rod 701 to enable the inclined supporting rod to be completely in an axis stress state, the risk of additional bending stress of the rod end caused by installation errors, stress deformation of a flexible structure, temperature action and the like is reduced, and the safety of the cable bearing grid steel structure is obviously enhanced.
Example 2
The rest of the technical scheme is consistent with that of the embodiment 1, the rod 701 is a steel pipe column, the diameter of the steel pipe column is 180-200 mm, and the wall thickness of the steel pipe column is 8-10 mm.
Example 3
The rest is consistent with the scheme of the embodiment 1 or 2, and the stroke adjusting range of the adjusting thread assembly 702 is 0-60 mm.
Example 4
Otherwise, in accordance with any of embodiments 1 to 3, the angle of the ball-and-socket joint 703 is adjusted in a range of 0 to 15 degrees.
Example 5
Otherwise, in accordance with any one of embodiments 1 to 4, the needle roller bearing 704 has a bearing capacity in the range of 2500 to 3000 kN.
Example 6
Otherwise, in accordance with any one of embodiments 1 to 5, the lattice steel structure 1, the truss support columns 2, the concrete stands 3, the radial steel cables 4, the circumferential steel cables 5, the vertical braces 6 and the diagonal braces 7 are connected to each other to form an integral connecting structure.
Example 7
The rest is consistent with the scheme of any one of the embodiments 1 to 6, the circumferential steel cable 5 is arranged in a closed ring shape, the circumferential steel cable 5 is a combined cable of six steel strands, the diameter of each steel strand is 125-140 mm, and the weight of the circumferential steel cable 5 is 90-150 kg per linear meter.
Example 8
The rest is consistent with the scheme of any one of the embodiments 1 to 7, the radial steel cables 4 are arranged in a radial mode, the radial steel cables 4 are single steel strand cables, and the diameter of each single steel strand cable is 122-140 mm.
Example 9
The rest is consistent with the scheme of any one of the embodiments 1 to 8, the rod 701 is a steel pipe column, the diameter of the steel pipe column is 190mm, and the wall thickness of the steel pipe column is 9 mm.
Example 10
Otherwise consistent with any of embodiments 1-9, the range of travel adjustment of the adjusting screw assembly 702 is 20-40 mm.
Example 11
Otherwise in accordance with any of embodiments 1-10, the angular adjustment of the ball-and-socket joint element 703 is in the range of 8-12 degrees.
Example 12
Otherwise consistent with any of embodiments 1-11, the needle bearing 704 has a bearing capacity in the range of 2700-.
Example 13
Otherwise, the method is the same as the method in any one of the embodiments 1 to 12, the hoop steel cable 5 is arranged in a closed loop, the hoop steel cable 5 is a combined cable of six steel strands, the diameter of each steel strand is 130mm, and the weight of the hoop steel cable 5 is 110-120kg per linear meter.
Example 14
Otherwise in accordance with any of the embodiments 1-13, the radial steel cords 4 are radially arranged, the radial steel cords 4 being single steel strand wires having a diameter of 130 mm.
The foregoing is illustrative and explanatory of the utility model and is not intended to limit the advantages attainable thereby, and it is within the scope of the present application for any one or more of the advantages to be realized, whether simple changes in construction and/or implementation in some embodiments are possible in the practice of the utility model.
Claims (8)
1. The utility model provides a cable holds net stadium steel roof structure which characterized in that: the steel wire mesh truss structure comprises a mesh steel structure (1), a truss supporting column (2), a concrete stand (3), a radial steel wire (4), an annular steel wire (5), a vertical stay bar (6) and an inclined stay bar (7), wherein one end of the truss supporting column (2) is arranged on the concrete stand (3) and is fixedly connected with the concrete stand, and the other end of the truss supporting column is hinged with the mesh steel structure (1);
a plurality of vertical support rods (6) are uniformly arranged below the grid steel structure (1), the vertical support rods (6) are connected with radial steel cables (4) and circumferential steel cables (5), the circumferential steel cables (5) connected with the vertical support rods (6) are closed circular rings, one end of each inclined support rod (7) is hinged with the grid steel structure (1), and the other end of each inclined support rod is hinged with cast steel nodes of the radial steel cables (4) and the circumferential steel cables (5);
the inclined supporting rod (7) comprises a rod piece (701), adjusting thread assemblies (702) arranged at two ends of the rod piece (701) and angle adjusting assemblies arranged at two ends of the rod piece (701);
the inclined supporting rod (7) is hinged with cast steel nodes of the radial steel cable (4) and the annular steel cable (5) and the grid steel structure (1) through an adjusting thread assembly (702), and the angle adjusting assembly comprises a spherical hinge lug piece (703) and a needle bearing (704) matched with the spherical hinge lug piece (703).
2. A cable-supported grid stadium steel roof structure as claimed in claim 1, wherein: the rod piece (701) is a steel pipe column, the diameter of the steel pipe column is 180-200 mm, and the wall thickness of the steel pipe column is 8-10 mm.
3. A cable-supported grid stadium steel roof structure as claimed in claim 1, wherein: the stroke adjusting range of the adjusting threaded component (702) is 0-60 mm.
4. A cable-supported grid stadium steel roof structure as claimed in claim 1, wherein: the angle adjusting range of the spherical hinge ear piece (703) is 0-15 degrees.
5. A cable supported grid stadium steel roof structure as claimed in claim 1, wherein: the bearing capacity range of the needle roller bearing (704) is 2500-3000 kN.
6. A cable supported grid stadium steel roof structure as claimed in claim 1, wherein: the steel wire mesh truss structure comprises a grid steel structure (1), truss supporting columns (2), a concrete stand (3), radial steel cables (4), circumferential steel cables (5), vertical supporting rods (6) and inclined supporting rods (7) which are connected with one another to form an integral connecting structure.
7. A cable-supported grid stadium steel roof structure as claimed in claim 1, wherein: the circumferential steel cable (5) is arranged in a closed ring shape, the circumferential steel cable (5) is a combined cable of six steel strands, the diameter of each steel strand is 125-140 mm, and the weight of the circumferential steel cable (5) is 90-150 kg per linear meter.
8. A cable supported grid stadium steel roof structure as claimed in claim 1, wherein: the radial steel cables (4) are radially arranged, the radial steel cables (4) are steel strand single cables, and the diameter of each steel strand single cable is 122-140 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494940.2U CN216973898U (en) | 2021-07-02 | 2021-07-02 | Cable bearing grid steel roof structure for stadium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121494940.2U CN216973898U (en) | 2021-07-02 | 2021-07-02 | Cable bearing grid steel roof structure for stadium |
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| Publication Number | Publication Date |
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| CN216973898U true CN216973898U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121494940.2U Active CN216973898U (en) | 2021-07-02 | 2021-07-02 | Cable bearing grid steel roof structure for stadium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279511A (en) * | 2021-07-02 | 2021-08-20 | 锦宸集团有限公司 | Cable bearing grid steel roof structure for stadium |
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2021
- 2021-07-02 CN CN202121494940.2U patent/CN216973898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279511A (en) * | 2021-07-02 | 2021-08-20 | 锦宸集团有限公司 | Cable bearing grid steel roof structure for stadium |
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