CN214463060U - Exposed prestressed truss supporting cable net dry coal shed - Google Patents
Exposed prestressed truss supporting cable net dry coal shed Download PDFInfo
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- CN214463060U CN214463060U CN202022331945.5U CN202022331945U CN214463060U CN 214463060 U CN214463060 U CN 214463060U CN 202022331945 U CN202022331945 U CN 202022331945U CN 214463060 U CN214463060 U CN 214463060U
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Abstract
The utility model belongs to the technical field of the dry coal shed structure technique of large-span and specifically relates to a dry coal shed of exposed prestressing force truss supporting cable net is related to, and this coal shed structure connects as unified stable whole outside the plane with these pipe trusses at longitudinal arrangement less three-heart circle prestressing force pipe truss structure as vertical supporting structure, utilizes the contact truss. And filling an orthogonal cable net structure in the gap by taking the pipe truss as a boundary, connecting a bearing cable of the cable net structure to an ear plate of the lower chord of the prestressed pipe truss, and connecting the wind-resistant cable to the foundation through a side cable. After the cable net and the pipe truss are integrally formed, the cable net and the steel structure bottom chord are covered by the tensioning film to form a final shielding system.
Description
Technical Field
The utility model belongs to the technical field of large-span dry coal shed structure technique and specifically relates to a dry coal shed of prestressing force truss supporting cable net exposes.
Background
At present, a dry coal shed is a facility widely applied to the fields of electric power, steel and the like, and mainly has the functions of shielding a coal yard or an ore yard and preventing coal from being drenched and blown in rainy and snowy weather and coal from losing and polluting the surrounding environment.
In the aspect of a structural system, the large-span dry coal shed mainly adopts a three-center circular prestressed pipe truss structure. The main body of this structure is composed of a horizontal gable truss and a standard truss, and the structure is connected in series by a connection truss along the span direction to form a stable whole (shown in fig. 1) and provide support for a roof (color steel plate). The roof (color steel plate) is arranged on the outer surface of the steel structure through purlines of the steel structure upper chord. The structural form has the characteristics of good stability and easy processing and production. With the increasing scale of coal yards, the requirements of the span and the length of a dry coal shed are continuously expanded, and the shape of the field is also converted from a standard rectangle to an irregular form. In this case, the prestressed pipe truss structure requires a large number of rods of different specifications in construction, and also requires a large number of foundations (cap and pile foundations) to be constructed. At the moment, the cutting and welding amount of the on-site rod piece is large, and the construction complexity is high. Therefore, it is an urgent need for engineering construction to improve the original structural form and reduce the construction complexity.
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 an expose prestressing force truss support cable net dry coal canopy, the component quantity is less, easily assembles, and the welding volume is little, and the quantity of required basis is also less, can effectively increase structural material utilization and build efficiency. Meanwhile, the steel structure can be isolated from pollutants such as mineral powder and coal ash, and the corrosion resistance of the steel structure is enhanced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an expose prestressing force truss support cable net dry coal canopy, it includes: prestressed trusses and cable nets;
the prestressed girder includes: the roof truss structure comprises a roof truss, standard roof trusses and a connection truss, wherein the roof truss and the standard roof truss are connected through the connection truss to form a framework;
the cable nets are respectively filled in gaps of the prestressed truss, and form a cable membrane structure for shielding the indoor space through a tension membrane; the cable net is pulled between the lower chords of two adjacent standard truss trusses; the cable net is pulled between the gable truss and the lower chord of the adjacent standard truss; the upper chord and the web member of the gable truss, the upper chord and the web member of the standard truss and the connection truss are exposed outside the cable membrane structure; and the lower chord of the standard truss and the lower chord of the gable truss are all shielded on the inner side of the cable membrane structure.
As a further technical solution, the exposed prestressed lattice-supported cable-mesh dry coal shed comprises: bearing cables, wind resisting cables and side cables;
the bearing cables are connected with the lower chord ear plates of the standard trusses or the gable trusses;
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.
As a further technical solution, the standard truss comprises: standard arch trusses, truss strings and support rods;
the standard truss comprises: the upper chord and the lower chord are connected with each other through the web members; the bottom of the lower chord is connected with a plurality of stretching chords, and the stretching chords are connected through the support rods; the bottom of the standard arch truss is connected with a plurality of stretching strings, and the stretching strings are connected through the support rods.
As a further technical scheme, the standard truss is a steel-structure three-center circular arch truss with three or four limbs.
As a further technical solution, the gable truss includes a gable arch truss and a supporting swinging column, and the gable arch truss includes: the upper chord and the lower chord are connected with each other through the web members; and the supporting swinging column is supported and fixed below the gable truss.
As a further technical scheme, the gable truss is a three-limb or four-limb steel-structure three-center circular arch truss.
As a further technical scheme, the supporting and swinging column is of a three-limb or four-limb structure.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1. the utility model discloses compare with prestressing force pipe truss coal shed structure, the utility model discloses a member quantity is less, and the cable net interval is big, and the cable body and ground tackle quantity are less, and material utilization is high.
2. The utility model discloses a reasonable overall arrangement and design back, the utility model discloses a more traditional structure of job site installation volume, welding volume and earth volume all has more decline, promotes obviously the efficiency of construction.
3. The utility model discloses the steel construction majority is in the cable membrane structure outside, and materials such as powdered ore, coal ash do not contact have strengthened the corrosion resisting property of steel construction.
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 structural view of a prior art large span dry coal shed;
fig. 2 is an isometric view of a prestressed truss-supported cable-mesh coal shed provided by an embodiment of the present invention;
fig. 3 is an elevation view of a prestressed truss-supported cable-mesh coal shed provided by an embodiment of the present invention;
fig. 4 is a plan view of a prestressed truss-supported cable-mesh coal shed according to an embodiment of the present invention;
fig. 5 is a schematic view of a supporting system made of a prestressed pipe truss according to an embodiment of the present invention;
fig. 6 is a schematic view of a typical standard prestressed pipe truss provided in an embodiment of the present invention;
fig. 7 is a schematic view of a typical gable roof truss provided in an embodiment of the present invention;
fig. 8 is a schematic view of a typical cable net structure provided by an embodiment of the present invention;
fig. 9 is a partially assembled perspective view of a cable net structure according to an embodiment of the present invention;
fig. 10 is a side view of a partial assembly of a cable mesh structure according to an embodiment of the present invention.
Icon: 1 is a prestressed truss, 2 is a cable net, 3 is a standard truss, 4 is a gable truss, 5 is a connection truss, 6 is a standard truss interval, 7 is an arch springing, 8 is a standard truss, 9 is a chord and 10 is a strut; 11 is a gable truss; 12 is a supporting swing column; 13 is a bearing rope; 14 is an anti-wind cable; and 15 is a border rope.
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.
Referring to fig. 2 to 10, the present embodiment provides an exposed prestressed lattice-supported cable-mesh dry coal shed, which includes: a prestressed truss 1 and a cable net 2; the prestressed girder 1 includes: the roof truss comprises a roof truss 4, a standard truss 3 and a connection truss 5, wherein the roof truss 4 and the standard truss 3 are connected through the connection truss 5 to form a framework, namely, the roof truss 4 and the standard truss 3 are connected outside the plane through the connection truss 5 and are connected with a foundation through arch legs 7. The standard truss spacing 6 and the number of connected trusses 5 are determined by the load size and structural performance objectives. The cable nets 2 are respectively filled in gaps of the prestressed truss 1, and form a cable membrane structure for shielding the indoor space through a tension membrane; the cable net 2 is pulled between the lower chords of two adjacent standard truss trusses 3; the cable net 2 is tied between the gable truss 4 and the lower chord of the standard truss 3 adjacent to the gable truss; the upper chord and the web member of the gable truss 4, the upper chord and the web member of the standard truss 3 and the connection truss 5 are exposed outside the cable membrane structure; and the lower chord of the standard truss 3 and the lower chord of the gable truss 4 are covered on the inner side of the cable membrane structure.
In this embodiment, as a further technical solution, the exposed prestressed truss-supported cable-mesh dry coal shed includes: a bearing cable 13, an anti-wind cable 14 and a side cable 15; the bearing cables 13 are connected with the lower chord ear plates of the standard truss 3 or the gable truss 4; the wind resisting cables 14 are transversely interwoven with the bearing cables 13 to form a net; the wind resisting cable 14 is connected with the bearing cable 13 through a cable clamp; the side cable 15 and the wind resisting cable 14 are connected through a cable clamp. The cable net 2 needs to be stabilized by prestressing, the level of which is determined by the loads to which the structure is subjected, together with the performance objectives of the structure. It will be appreciated that the cable net 2 is connected to the lower chord node of the steel structure and is completely spaced from the steel structure members, so that the steel structure members can be arranged in a force-optimized manner.
In this embodiment, as a further technical solution, the standard truss 3 includes: a standard arch truss 8, a tension chord 9 and a brace 10; the standard truss 8 comprises: the upper chord and the lower chord are connected with each other through the web members; the bottom of the lower chord is connected with a plurality of stretching chords 9, and the stretching chords 9 are connected through the support rods 10; the bottom of the arch truss is connected with a plurality of stretching strings 9, and the stretching strings 9 are connected through the stay bars 10. The position of the tension strings 9 at the arch truss connection and the number of struts are determined by the performance goals of the structure.
Preferably, the standard truss 3 is a three-leg or four-leg steel-structure three-center circular arch truss.
In the present embodiment, as a further technical solution, the gable truss 4 includes a gable arch truss 11 and a supporting sway column 12. The location of the supporting sway post 12 is determined by both the conveyor belt location of the coal yard and the structural performance requirements.
Preferably, the gable truss 4 is a three-leg or four-leg steel-structure three-center circular arch truss.
Preferably, the support sway post 12 is a three-limb or four-limb structure.
To sum up, the utility model discloses in this coal shed structure connect as unified stable whole outside the plane with these pipe trusses at longitudinal arrangement less three-heart circle prestressing force pipe truss structure as vertical supporting structure, utilize the contact truss. And filling an orthogonal cable net structure in the gap by taking the pipe truss as a boundary, connecting a bearing cable of the cable net structure to an ear plate of the lower chord of the prestressed pipe truss, and connecting the wind-resistant cable to the foundation through a side cable. After the cable net and the pipe truss are integrally formed, the cable net and the steel structure bottom chord are covered by the tensioning film to form a final shielding system.
When the prestressed truss supporting cable net structure is implemented, a three-limb pipe truss or a four-limb pipe truss can be adopted according to the specific situation of load. When the two gable trusses are in type selection, the three-limb or four-limb floor swinging column can be used as a reinforcing structure, so that the mechanical property of the gable trusses is improved. The prestress level of the cable net can be determined according to the requirement of structural rigidity performance, and then the number and the spacing of the contact trusses are determined. The shape of the cylindrical surface cable net is beneficial to the wind resistance of the structure, so that a larger distance can be adopted between the wind resistance cables, the use amount of the cable body and the cable anchorage device is reduced, and the assembling amount of the cable structure during construction can also be reduced.
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 (7)
1. An exposed prestressed truss-supported cable-mesh dry coal shed, comprising: prestressed trusses and cable nets;
the prestressed girder includes: the roof truss structure comprises a roof truss, roof trusses and a connection truss, wherein the roof truss and the roof truss are connected through the connection truss to form a framework;
the cable nets are respectively filled in gaps of the prestressed truss, and form a cable membrane structure for shielding the indoor space through a tension membrane; the cable net is pulled between the lower chords of two adjacent trusses; the cable net is pulled between the gable truss and the lower chord of the truss adjacent to the gable truss; the upper chord and the web members of the gable truss, the upper chord and the web members of the gable truss and the connection truss are exposed outside the cable membrane structure; the lower chord of the truss and the lower chord of the gable truss are all shielded on the inner side of the cable membrane structure.
2. The exposed prestressed truss-supported cable-mesh dry coal shed as claimed in claim 1, comprising: bearing cables, wind resisting cables and side cables;
the bearing cables are connected with the truss or the lower chord ear plate of the gable 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.
3. The exposed prestressed truss-supported cable mesh dry coal shed as claimed in claim 1, wherein said truss members comprise: truss, truss string and brace rod;
the truss includes: the upper chord and the lower chord are connected with each other through the web members; the bottom of the lower chord is connected with a plurality of stretching chords, and the stretching chords are connected through the support rods; the bottom of the truss arch truss is connected with a plurality of stretching strings, and the stretching strings are connected through the support rods.
4. The exposed prestressed truss-supported cable-mesh dry coal shed as claimed in claim 3, wherein the trusses are steel-structure three-center circular arch trusses of three limbs or four limbs.
5. The exposed prestressed truss-supported cable-mesh dry coal shed as claimed in claim 1, wherein the gable trusses comprise gable truss trusses and supporting swinging columns;
gable roof truss includes: the upper chord and the lower chord are connected with each other through the web members; and the supporting swinging column is supported and fixed below the gable truss.
6. The exposed prestressed truss-supported cable-mesh dry coal shed as claimed in claim 5, wherein the gable trusses are steel-structure three-center circular arch trusses with three or four limbs.
7. The exposed prestressed truss supported cable-mesh dry coal shed as claimed in claim 5, wherein said supporting sway brace is a three-limb or four-limb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331945.5U CN214463060U (en) | 2020-10-19 | 2020-10-19 | Exposed prestressed truss supporting cable net dry coal shed |
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| CN202022331945.5U CN214463060U (en) | 2020-10-19 | 2020-10-19 | Exposed prestressed truss supporting cable net dry coal shed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059179A (en) * | 2022-06-30 | 2022-09-16 | 中国能源建设集团湖南省电力设计院有限公司 | Large-span column/cable truss net structure |
| CN116065834A (en) * | 2023-02-14 | 2023-05-05 | 中国五冶集团有限公司 | Quick installation construction method for large-span steel truss framework membrane structure |
-
2020
- 2020-10-19 CN CN202022331945.5U patent/CN214463060U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059179A (en) * | 2022-06-30 | 2022-09-16 | 中国能源建设集团湖南省电力设计院有限公司 | Large-span column/cable truss net structure |
| CN115059179B (en) * | 2022-06-30 | 2023-11-24 | 中国能源建设集团湖南省电力设计院有限公司 | Large-span column/cable truss structure |
| CN116065834A (en) * | 2023-02-14 | 2023-05-05 | 中国五冶集团有限公司 | Quick installation construction method for large-span steel truss framework membrane structure |
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