CN212336314U - Large-span cable net structure supported by self-balancing arch truss - Google Patents
Large-span cable net structure supported by self-balancing arch truss Download PDFInfo
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- CN212336314U CN212336314U CN202021593696.0U CN202021593696U CN212336314U CN 212336314 U CN212336314 U CN 212336314U CN 202021593696 U CN202021593696 U CN 202021593696U CN 212336314 U CN212336314 U CN 212336314U
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Abstract
The utility model belongs to the technical field of large-span structure technique and specifically relates to a large-span cable net structure of self-balancing arch truss supporting is related to. The structure utilizes a small number of transversely arranged self-balancing arch trusses and longitudinally arranged longitudinal connection trusses to form a framework, supports a cable net system between the frameworks, forms an efficient large-span structure, and greatly reduces the number of steel members and installation and construction work such as on-site welding, hoisting, sliding and the like. The structure is supported on concrete columns or steel columns, which can provide sufficient space for the operation of the equipment. The arched truss support slides along the transverse direction, the transverse deformation of the arched truss is restrained through the transverse steel cable at the support, the arched truss has the stress characteristic of an arch under the action of downward load, and the arched truss does not generate transverse horizontal thrust on the lower column.
Description
Technical Field
The utility model belongs to the technical field of large-span structure technique and specifically relates to a large-span cable net structure of self-balancing arch truss supporting is related to.
Background
At present, a coal shed and a stock ground are facilities widely applied in the fields of electric power, steel and the like, and the coal shed and the stock ground mainly have the functions of shielding a coal yard and an ore stock ground and reducing environmental pollution.
In the aspect of a structural system, a large-span coal shed and a large-span stock ground mainly adopt a prestressed arch truss structure. In the structure, standard arch trusses 3 and gable arch trusses 6 are transversely arranged, the standard arch trusses can be combined with prestressed steel cables to form prestressed arch trusses, and the gable arch trusses 6 are supported by gable columns 7. The longitudinal tie girders are arranged in the longitudinal direction, and a support system is formed by the longitudinal tie girders 5 and the support members, so that the structural integrity is ensured, and longitudinal loads are transmitted (shown in fig. 1). The floor prestressed arch truss supports purlins, color steel plates or membrane structure roofs. The advantage of this design is the simplicity of design, but the following disadvantages exist: the truss interval is 12m-18m, the interval is small, the number of components is large, the types of sections are various, the number of foundations is large, the on-site welding amount is large, the installation workload is large, the installation period is long, and the construction cost is high. In addition, the ground prestressed arch truss has limited clearance height at the arch feet, and the operation of equipment (such as a portal bucket wheel machine) is influenced.
To sum up, engineering construction urgent need utility model a compromise new construction system of engineering cost, efficiency of construction and equipment operating space.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a self-balancing arch truss support's large-span cable network structure to solve the technical problem who exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a self-balancing arch truss support's large-span cable network structure, it includes: the self-balancing truss type steel truss structure comprises columns, self-balancing arch trusses, longitudinal connection trusses and cable nets;
the cable net is supported on the self-balancing arch truss;
the self-balancing arched truss is supported on the column through a support, a connecting member for fixing chord rods of the self-balancing arched truss is arranged on the support, the support is provided with a horizontal sliding mechanism, and the arched truss can slide relatively on the top end face of the column;
the self-balancing arch truss comprises a gable arch truss and a standard arch truss; the gable arch truss and the standard arch truss are longitudinally connected by a plurality of longitudinal connection trusses; the longitudinal connection truss connects the self-balancing arch truss into an integral structure, and longitudinal horizontal force generated on the arch truss by the cable net is balanced, so that the integral structure forms a self-balancing system along the longitudinal direction.
As a further technical solution, the mount includes: the device comprises an arch truss connecting part, a sliding mechanism and a column top connecting part;
the arch truss connecting part is connected with the chord members of the arch truss;
the column top connecting part is connected with the top of the vertical column;
the arch truss connecting part and the column top connecting part are connected through a sliding mechanism.
As a further technical scheme, a plurality of support rods are transversely connected to the self-balancing arch truss;
the plurality of support rods are connected through inhaul cables.
As a further technical solution, the end of the pulling cable is connected to the support.
As a further technical scheme, the end part of the stay cable is connected with the lower chord of the self-balancing arched truss close to the support.
As a further technical scheme, the columns are connected through cross beams among the columns;
and an inter-column support is arranged between the columns.
As a further technical solution, the column is a concrete column.
As a further technical solution, the column is a lattice steel column.
As a further technical solution, the cable net includes: bearing cables, wind resisting cables and side cables;
the bearing cable is longitudinally supported on the self-balancing arch truss;
the wind resisting cable is transversely interwoven with the bearing cable to form a net;
the wind-resistant cable is connected with the bearing cable through a cable clamp;
the side cable is connected with the wind resisting cable through a cable clamp;
the side cable is fixed on the outermost side longitudinal connection truss.
As a further technical scheme, the distance between the adjacent standard arched trusses can reach 50 m.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses compare with prestressing force arch truss structure, the utility model discloses a steel member is small in quantity, the high strength characteristic that can full play cable wire, and material utilization is high, and economic performance is good.
2. The utility model discloses arch truss support is along lateral sliding, and the lateral deformation who encircles the truss is retrained to the horizontal cable wire through support department, and arch truss has hunched atress characteristic under the effect of downward load to the arch truss does not produce horizontal thrust to the lower part post.
3. The utility model discloses vertical horizontal force that vertical connection truss balance bearing cable produced, the system of vertical formation self-balancing is followed to the structure, need not set up the system of vertical horizontal force that balanced cable net produced specially in the building outside.
4. The utility model discloses a reasonable arranging and designing the back, the utility model discloses a job site installation volume, welding volume and the more traditional structure of earth volume all have and show the decline, and the efficiency of construction promotes obviously.
5. The utility model discloses compare with prestressing force arch truss structure, the utility model discloses application scope to equipment in the place is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a prior art pre-stressed arch truss structure;
fig. 2 is an axonometric view of a large-span cable net structure of the self-balancing arch truss support of the utility model;
fig. 3 is a front view of the large-span cable net structure of the self-balancing arch truss support of the utility model;
fig. 4 is a plan view of a large-span cable net structure of the self-balancing arch truss support of the utility model;
fig. 5 is a schematic view of a self-balancing arch truss of the present invention;
fig. 6 is a schematic view of a self-balancing arch truss of a standard truss of the present invention;
fig. 7 is a schematic view of a self-balancing arch truss of a gable roof truss of the present invention;
fig. 8 is a schematic cross-sectional view of a self-balancing arch truss of the present invention, wherein the truss is a four-limb arch truss;
fig. 9 is a schematic cross-sectional view of a self-balancing arch truss of the present invention, which is a three-leg arch truss;
FIG. 10 is a schematic view of the lower column of the present invention;
fig. 11 is a schematic view of the cable net structure of the present invention;
fig. 12 is the self-balancing arch truss and lower column connection node schematic diagram of the present invention.
Icon: the self-balancing truss type steel truss structure comprises a self-balancing arch truss 1, a cable net 2, a standard arch truss 3, a standard arch truss interval 4, a longitudinal connection truss 5, a gable arch truss 6, a gable post 7, a gable post 8, a stay cable 9, a stay rod 10, a post 11, a chord 12, a web member 12, an inter-post beam 13, an inter-post support 14, a concrete post 15, a lattice type steel post 16, a bearing cable 17, a wind resisting cable 18, a side cable 19 and a support 20.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 2 to 12, the present embodiment provides a self-balancing arch truss supported long-span cable net structure, which includes: the self-balancing truss type steel truss structure comprises columns 10, a self-balancing arch truss 1, a longitudinal connection truss 5 and a cable net 2; the cable net 2 is supported on the self-balancing arched truss 1; according to the structure, a framework is formed by a small number of transversely arranged self-balancing arch trusses 1 and longitudinally arranged longitudinal connection trusses 5, a cable net 2 system is supported between the frameworks, an efficient large-span structure is formed, and the number of steel members and installation and construction work such as on-site welding, hoisting and sliding are greatly reduced.
The self-balancing arched truss 1 is supported on the column 10 through a support 20, the support 20 is provided with a disc base, the bottom end face of the disc base is a smooth face, the top end face of the column 10 is a smooth face, the disc base can slide relatively on the top end face of the column 10, and a welding part for fixing the end part of the self-balancing arched truss 1 is arranged on the disc base; the self-balancing arched girders are supported from the lower concrete columns 15 or steel columns by means of supports 20, the supports 20 being in the form of lateral sliding, lateral horizontal forces not being transmitted to the columns. Horizontal prestressed steel cables are transversely arranged at the arched truss support 20 to balance the transverse horizontal thrust of the arched truss.
The self-balancing arched truss 1 comprises a gable arched truss 6 and a standard arched truss 3; the gable arch truss 6 and the standard arch truss 3 are longitudinally connected by a plurality of longitudinal connection trusses 5; the standard arched trusses 3 are supported by columns. Of course, the gable truss 6 is supported by the gable post 7. The longitudinal connection truss 5 connects the self-balancing arch truss 1 into an integral structure and balances the longitudinal horizontal force generated by the cable net 2 on the arch truss, so that the integral structure forms a self-balancing system along the longitudinal direction.
In this embodiment, as a further technical solution, the support includes: the device comprises an arch truss connecting part, a sliding mechanism and a column top connecting part; the arched truss chord members are connected to the arched truss connecting parts; the column top connecting part is connected to the vertical column top; the arch truss can slide relative to the vertical column. Of course, the specific form of the support is not limited.
For example: the support may employ a disc base, wherein the disc base includes: an upper circular portion, a lower circular portion and a plurality of rib members; the upper circular ring part is connected with the lower circular ring part through a plurality of rib components; a ball head welding part is arranged on the upper circular part; the bottom end face of the lower circular ring part is a smooth face. Of course, other forms for the support are possible, which are not listed here.
In this embodiment, as a further technical solution, the self-balancing arched truss 1 is transversely connected with a plurality of struts 9; the plurality of stay bars 9 are connected through inhaul cables 8. The end of the pull cable 8 is connected to the support 20. Of course, the end of the pulling cable 8 can also be connected to the lower chord of the self-balancing arched truss 1 close to the support 20, if conditions do not allow this.
In this embodiment, as a further technical solution, the columns 10 are connected to the columns 10 through inter-column beams 13; an inter-column support 14 is provided between the columns 10 and 10.
In this embodiment, as a further technical solution, the column is a concrete column 15.
In this embodiment, as a further technical solution, the column is a lattice type steel column 16.
In this embodiment, as a further technical solution, the cable net 2 includes: a bearing cable 17, an anti-wind cable 18 and a side cable 19; the bearing cable 17 is supported on the self-balancing arched truss 1 along the longitudinal direction; the wind resisting cables 18 are transversely interwoven with the bearing cables 17 to form a net shape; the wind resisting cable 18 is connected with the bearing cable 17 through a cable clamp; the side cable 19 is connected with the wind resisting cable 18 through a cable clamp; the edge cables 19 are fixed to the outermost longitudinal contact girders 5. The cable net 2 is prestressed to provide rigidity and load-bearing capacity to the structure, the level of prestressing being determined by the load to which the structure is subjected and the performance target of the structure. It can be seen that in the present embodiment, a few arch trusses are arranged in the transverse direction as vertical supporting structures, and the arch trusses are connected outside the plane by using longitudinal connection trusses 5 to form a stable whole, wherein the distance between the transversely arranged arch trusses (3-4 between the standard arch trusses) is about 50m (the distance between the trusses of the traditional prestressed arch truss structure is 12-18 m).
In this embodiment, the self-balancing arch truss 1 includes a gable arch truss 6 and a standard arch truss 3, wherein the self-balancing arch truss 1 may be a three-leg arch truss or a four-leg arch truss. That is, according to the specific conditions of span, load, etc., the self-balancing arched truss can adopt a three-limb arched truss or a four-limb arched truss, and the column can adopt a concrete column or a steel column. And pull rods or cross beams can be additionally arranged among the columns according to performance requirements. This patent is at vertical both sides for gable arch truss, can adopt solid web steel column or lattice steel column supporting gable arch truss, reduces gable arch truss's span, reduces gable arch truss and uses the steel volume. And determining the prestress level of the cable net according to the structural rigidity performance requirement.
Wherein, the section of the four-limb arch truss comprises four chords 11 and web members 12 connected with the chords 11.
Wherein, the section of the three-limb arch truss comprises three chords 11 and web members 12 connected with the chords 11.
To sum up, adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses compare with prestressing force arch truss structure, the utility model discloses a steel member is small in quantity, the high strength characteristic that can full play cable wire, and material utilization is high, and economic performance is good.
2. The utility model discloses arch truss support 20 is along lateral sliding, and the lateral deformation who encircles the truss is retrained to the horizontal cable wire through support 20 department, and arch truss has hunched atress characteristic under the effect of downward load to the arch truss does not produce horizontal counter-force to the lower part post.
3. The utility model discloses vertical horizontal force that vertical contact truss 5 balanced bearing cable 17 produced, the system of vertical formation self-balancing is followed to the structure, need not set up the system of vertical horizontal force that balanced cable net 2 produced specially in the building outside.
4. The utility model discloses a reasonable arranging and designing the back, the utility model discloses a job site installation volume, welding volume and the more traditional structure of earth volume all have and show the decline, and the efficiency of construction promotes obviously.
5. The utility model discloses compare with prestressing force arch truss structure, the utility model discloses application scope to equipment in the place is wider.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A self-balancing arch truss supported long span cable net structure, comprising: the self-balancing truss type steel truss structure comprises columns, self-balancing arch trusses, longitudinal connection trusses and cable nets;
the cable net is supported on the self-balancing arch truss;
the self-balancing arched truss is supported on the column through a support, the support is provided with a mechanism which horizontally slides along the span direction, and the support can enable the self-balancing arched truss to relatively slide on the top end face of the column;
the self-balancing arch truss comprises a gable arch truss and a standard arch truss; the gable arch truss and the standard arch truss are longitudinally connected by a plurality of longitudinal connection trusses; the longitudinal connection truss connects the self-balancing arch truss into an integral structure, and longitudinal horizontal force generated on the arch truss by the cable net is balanced, so that the integral structure forms a self-balancing system along the longitudinal direction.
2. The self-balancing arch truss supported long-span cable network structure of claim 1, wherein said support comprises: an arch truss connection part, a sliding mechanism and a column top connection part;
the arch truss connecting part is connected with the arch truss chord member;
the column top connecting part is connected with the top end of the column;
the sliding mechanism is positioned between the arch truss connecting part and the column top connecting part and provides a horizontal sliding function.
3. The self-balancing arch truss supported long-span cable net structure of claim 1, wherein the self-balancing arch truss is transversely connected with a plurality of support rods;
the plurality of support rods are connected through inhaul cables.
4. The self-balancing arch truss supported long span cable net structure of claim 3, wherein the ends of said cables are connected to said support.
5. The self-balancing arched truss supported long-span cable net structure of claim 3, wherein the ends of the cables are connected to the lower chord of the self-balancing arched truss near the support.
6. The self-balancing arch truss supported long-span cable network structure of claim 1, wherein the columns are connected by inter-column beams;
and an inter-column support is arranged between the columns.
7. The self-balancing arch truss supported long span cable network structure of claim 1, wherein the column is a concrete column.
8. The self-balancing arch truss supported long span cable network structure of claim 1, wherein the columns are lattice steel columns.
9. The self-balancing arch truss supported long span cable net structure of claim 1, wherein the cable net comprises: bearing cables, wind resisting cables and side cables;
the bearing cable is longitudinally supported on the self-balancing arch truss;
the wind resisting cable is transversely interwoven with the bearing cable to form a net;
the wind-resistant cable is connected with the bearing cable through a cable clamp;
the side cable is connected with the wind resisting cable through a cable clamp;
the side cable is fixed on the outermost side longitudinal connection truss.
10. The self-balancing arch truss-supported large-span cable net structure of claim 1, wherein the distance between adjacent standard arch trusses can reach 50 m.
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| CN202021593696.0U CN212336314U (en) | 2020-08-04 | 2020-08-04 | Large-span cable net structure supported by self-balancing arch truss |
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| CN202021593696.0U CN212336314U (en) | 2020-08-04 | 2020-08-04 | Large-span cable net structure supported by self-balancing arch truss |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102445930B1 (en) * | 2022-01-21 | 2022-09-21 | 최희준 | Pipe for framework |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102445930B1 (en) * | 2022-01-21 | 2022-09-21 | 최희준 | Pipe for framework |
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