CN220202963U - Space grid structure combining oblique plane truss and outer ring grid frame - Google Patents
Space grid structure combining oblique plane truss and outer ring grid frame Download PDFInfo
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- CN220202963U CN220202963U CN202322295667.6U CN202322295667U CN220202963U CN 220202963 U CN220202963 U CN 220202963U CN 202322295667 U CN202322295667 U CN 202322295667U CN 220202963 U CN220202963 U CN 220202963U
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Abstract
The utility model discloses a space grid structure formed by combining an oblique plane truss and an outer ring grid frame, and relates to the technical field of structural engineering. The space grid structure adopts the truss with the crossed plane, and the truss rod pieces with the crossed plane are fewer, so that the arrangement and the crossing of pipelines and horse ways are facilitated; the outer ring arc-shaped net rack connected with the outer ring of the internal oblique plane truss has the advantages of good torsion resistance and reduction of truss deformation caused by plane intersection; the outer ring arc-shaped net frame that connects can also reduce the support use amount of plane cross truss for plane cross truss directly supports on outer ring arc-shaped net frame, also can make plane cross truss skew angle no longer receive the control of fulcrum simultaneously, has more effect changes.
Description
Technical Field
The utility model relates to the technical field of structural engineering, in particular to a space grid structure formed by combining an oblique plane truss and an outer ring grid frame.
Background
Along with the rapid development of economic level, the living standard of people is continuously improved, the requirements on living space brought by buildings are also continuously changed, and the living environment in large space is more and more accepted and oriented by people, so that preconditions are provided for the appearance and popularization of large-span building structures.
The present large-span building structure is mainly used for public buildings and industrial buildings, such as large shops, gymnasiums, exhibition halls, terminal buildings, train stations, hangars, production workshops, power plant coal storage yards and the like. In this process, many conventional structural forms, such as a grid structure, a thin shell structure, a net shell structure, a suspension cable structure, etc., are adopted, and the grid structure, such as a grid, a net shell, etc., is widely used in light weight, economical efficiency and applicability.
In recent decades, with the increasing activities of people in sports, exhibition, entertainment and the like and the continuous emergence of new materials and new technologies, the requirements of people on space structures are also increasing. The conventional grid structure formed by a single grid structure is difficult to meet the requirements of people on attractive appearance, and the disadvantages of messy bars of the grid structure and poor permeability effect are gradually amplified. Designers also propose rigid structures such as orthogonal plane trusses, diagonal plane trusses, and the like which have better permeability and reasonable manufacturing cost. The oblique plane truss has strong rhythm and good aesthetic feeling, and is applied to different large-span structures such as bird nests, ruijin sports centers and the like. The diagonal plane truss is provided with a connecting truss at the outer ring supporting point to connect all supporting points in series to form a whole, once the distance between the supporting points is increased, the stability of the connecting truss is difficult to ensure, and the span of a larger span is difficult to realize (as shown in figure 6); meanwhile, when larger overhanging exists outside the supporting points, the overhanging grids of the oblique plane trusses are uneven, and more difficulties are brought to curtain wall design and suspended ceiling design (as shown in figure 7).
Disclosure of Invention
The utility model aims to provide a space grid structure combining an oblique plane truss and an outer ring grid frame, which solves the problems that once the distance of a supporting point of the existing space grid structure is increased, the stability of a connecting truss is difficult to ensure, the span of a larger span is difficult to realize, and when larger overhanging exists outside the supporting point, the overhanging grid of the oblique plane truss is uneven, so that more difficulties are brought to the design of a curtain wall and the design of a suspended ceiling.
The utility model is realized by the following technical scheme:
the utility model provides a space grid structure of bias plane truss and outer lane rack combination, includes inside bias plane truss, still includes outer lane arc rack, the upper chord member of inside bias plane truss is connected with the upper chord node of outer lane arc rack, the lower chord member of inside bias plane truss with the lower chord node of outer lane arc rack is connected.
The space grid structure adopts the truss with the crossed planes, has the advantages of permeability and light weight, has fewer truss bars with the crossed planes, and is convenient for the arrangement and crossing of pipelines and streets; the outer ring arc-shaped net rack connected with the outer ring of the internal oblique plane truss has the advantages of good torsion resistance and reduction of truss deformation caused by plane intersection; the connected outer ring arc-shaped net frame can also reduce the amount of the support of the plane cross truss, so that the plane cross truss is directly supported on the outer ring arc-shaped net frame, and the skew angle of the plane cross truss is not controlled by a fulcrum any more, thereby having more effect change; the outer ring arc-shaped net rack has high rigidity, can provide support rigidity for the internal diagonal plane truss, can be suitable for a larger-span fulcrum, and has uniform overhanging grids; the whole space grid structure has good economy.
Further, a contact truss is arranged at the outer ring supporting point of the internal oblique plane truss, and a supporting column is connected to the contact truss.
Further, when the calculated length out of the chord plane of the internal diagonal plane truss is too large, a tie bar is additionally arranged at the intersection point of the internal diagonal plane truss.
When the calculated length outside the chord plane of the internal oblique plane truss is too large, a tie bar is additionally arranged at the intersection point of the oblique plane truss, so that the calculated length is reduced, and the section size of the chord is reduced.
Further, the internal diagonal plane truss is composed of an upper chord, a lower chord and chord web members for connecting the upper chord and the lower chord.
Furthermore, the upper chord member, the lower chord member and the web members are welded by adopting a penetrated connecting structure.
Furthermore, the internal oblique plane truss and the outer ring arc-shaped net frame are connected by adopting welding balls or directly welded by truss ring beams.
The connection mode can be selected by those skilled in the art according to the actual situation, and is not limited to the two modes exemplified above.
Furthermore, a truss ring beam is arranged between the internal oblique plane truss and the outer ring arc-shaped net rack, and is connected by adopting a penetration welding seam.
Further, the truss ring beam is connected with a welding plate, and the chord members, chord member web members and net frame web members of the outer ring arc net frame of the diagonal plane truss are connected to a connecting body formed by the truss ring beam and the welding plate in a penetration welding way.
Further, the arc-shaped net rack part of the outer ring adopts a square quadrangular pyramid net rack or a square evacuated quadrangular pyramid net rack.
Those skilled in the art can choose according to the actual situation, and are not limited to the two examples.
Furthermore, the internal oblique plane truss is formed by obliquely crossing a truss plane truss, and the intersection point is just used as a dividing point of the truss grid.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) The space grid structure adopts the truss with the crossed planes, has the advantages of permeability and light weight, has fewer truss bars with the crossed planes, and is convenient for the arrangement and crossing of pipelines and streets; the outer ring arc-shaped net rack connected with the outer ring of the internal oblique plane truss has the advantages of good torsion resistance and reduction of truss deformation caused by plane intersection;
(2) The connected outer ring arc-shaped net frame can also reduce the amount of the support of the plane cross truss, so that the plane cross truss is directly supported on the outer ring arc-shaped net frame, and the skew angle of the plane cross truss is not controlled by a fulcrum any more, thereby having more effect change;
(3) The outer ring arc-shaped net rack has high rigidity, can provide support rigidity for the internal diagonal plane truss, can be suitable for a larger-span fulcrum, and has uniform overhanging grids; the whole space grid structure has good economy;
(4) When the calculated length outside the chord plane of the internal oblique plane truss is too large, a tie bar is additionally arranged at the intersection point of the oblique plane truss, so that the calculated length is reduced, and the section size of the chord is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model. In the drawings:
fig. 1 is a schematic structural diagram of a space grid structure formed by combining a diagonal plane truss and an outer ring grid frame according to embodiment 1 of the present utility model;
fig. 2 is a schematic structural diagram of an outer ring arc-shaped net frame according to embodiment 1 of the present utility model;
FIG. 3 is a schematic view of the structure of an internal diagonal planar truss according to embodiment 1 of the present utility model;
fig. 4 is a schematic structural diagram of a space grid structure formed by combining a diagonal plane truss and an outer ring grid frame according to embodiment 2 of the present utility model;
FIG. 5 is an isometric view of a connection node between an internal diagonal plane truss and an outer ring arcuate rack in example 3 of the present utility model;
FIG. 6 is a schematic diagram of a prior art space grid structure;
fig. 7 is a plan view of a prior art space structure.
In the drawings, the reference numerals and corresponding part names:
01-internal oblique plane truss, 02-outer ring arc-shaped net rack, 03-support column, 04-connection truss, 05-one-truss plane truss, 06-upper chord, 07-lower chord, 08-chord web member, 09-intersection point, 10-connection bar, 11-welding plate, 12-chord and 13-net rack web member.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment provides a space grid structure combining an oblique plane truss and an outer ring grid frame, as shown in fig. 1 to 3, the space grid structure comprises an internal oblique plane truss 01 and an outer ring arc grid frame 02, an upper chord 06 of the internal oblique plane truss 01 is connected with an upper chord node of the outer ring arc grid frame 02, and a lower chord 07 of the internal oblique plane truss 01 is connected with a lower chord node of the outer ring arc grid frame 02.
Specifically, a contact truss 04 is arranged at an outer ring supporting point of the internal diagonal plane truss 01, and a support column 03 is connected to the contact truss 04.
Specifically, the internal diagonal plane truss 01 is composed of an upper chord 06, a lower chord 07, and a chord web member 08 for connecting the upper chord 06 and the lower chord 07.
Specifically, the internal oblique plane truss 01 is connected with the outer ring arc-shaped net rack 02 by adopting a welding ball.
Specifically, the 02 part of the outer ring arc-shaped net rack adopts a right-hand square pyramid net rack.
Specifically, the internal oblique plane truss 01 is formed by obliquely crossing a truss plane truss 05, and the intersection points 09 are just as dividing points of the truss grid.
The space grid structure adopts the truss with the crossed plane, has the advantages of permeability and light weight, and has fewer truss bars with the crossed plane, thereby being convenient for the arrangement and crossing of pipelines and streets; the outer ring arc-shaped net rack 02 connected with the outer ring of the inner oblique plane truss 01 has the advantages of good torsion resistance and reduction of truss deformation of plane intersection; the connected outer ring arc-shaped net frame 02 can also reduce the use amount of the support of the plane cross truss, so that the plane cross truss is directly supported on the outer ring arc-shaped net frame 02, and meanwhile, the skew angle of the plane cross truss is not controlled by a fulcrum any more, so that more effect changes are realized; the outer ring arc-shaped net rack 02 has high rigidity, can provide support rigidity for the internal diagonal plane truss 01, can be suitable for a larger-span fulcrum, and has uniform overhanging grids of the diagonal plane truss; the whole space grid structure has good economy. The device can be used for closed large-span space structure building with overhanging, and the distance between supporting columns can reach 38m.
Example 2
Based on embodiment 1, referring to fig. 4, this embodiment provides a space grid structure of a combination of diagonal plane trusses and outer ring grid frames, which is different from embodiment 1 in that, in addition to containing all the technical features of embodiment 1, the embodiment adds tie bars 10 at the intersection points 09 of the internal diagonal plane trusses 01.
In this embodiment, when the calculated length is too large outside the chord plane of the internal diagonal plane truss 01, the tie bars 10 are added at the diagonal plane truss intersections 09, and the calculated length is reduced, thereby reducing the chord cross-sectional dimension, as compared with embodiment 1.
Example 3
Based on embodiment 2, referring to fig. 5, this embodiment provides a space grid structure of a combination of diagonal plane trusses and outer ring grid frames, unlike embodiment 2, except that all the technical features in embodiment 2 are included, truss ring beams are arranged between the diagonal plane trusses 01 and outer ring arc grid frames 02 in this embodiment, and intersecting welding seams are adopted for connection.
Specifically, the truss ring beam is connected with a welding plate 11, and the chord members 12 (the chord members are the upper chord member 06 and the lower chord member 07) of the diagonal plane truss, the chord member web members 08 and the net frame web members 13 of the outer ring arc net frame 02 are connected to a connecting body formed by the truss ring beam and the welding plate 11 in a penetration welding manner.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (10)
1. The utility model provides a space grid structure of bias plane truss and outer lane rack combination, includes inside bias plane truss (01), its characterized in that still includes outer lane arc rack (02), the upper chord member (06) of inside bias plane truss (01) are connected with the upper chord node of outer lane arc rack (02), the lower chord member (07) of inside bias plane truss (01) with the lower chord node of outer lane arc rack (02) is connected.
2. The space grid structure combined by the diagonal plane truss and the outer ring grid frame according to claim 1, wherein a connecting truss (04) is arranged at an outer ring supporting point of the internal diagonal plane truss (01), and a supporting column (03) is connected to the connecting truss (04).
3. The space grid structure of a diagonal plane truss and outer ring grid combination according to claim 1, wherein when the calculated length out of the chord plane of the internal diagonal plane truss (01) is too large, tie bars (10) are added at the intersection points (09) of the internal diagonal plane truss (01).
4. The space grid structure of the diagonal plane truss and outer ring grid structure combination according to claim 1, wherein the inner diagonal plane truss (01) is composed of an upper chord (06), a lower chord (07) and a chord web member (08) for connecting the upper chord (06) and the lower chord (07).
5. The space grid structure combined by the diagonal plane truss and the outer ring grid frame according to claim 4, wherein the upper chord member (06), the lower chord member (07) and the web members are welded by adopting a penetrated connecting structure.
6. The space grid structure combining the diagonal plane truss and the outer ring grid frame according to claim 1, wherein the internal diagonal plane truss (01) and the outer ring arc grid frame (02) are connected by adopting welding balls or are directly welded by truss ring beams.
7. The space grid structure combining the oblique plane truss and the outer ring grid frame according to claim 1, wherein truss ring beams are arranged between the internal oblique plane truss (01) and the outer ring arc grid frame (02) and are connected by intersecting welding seams.
8. The space grid structure combining the diagonal plane truss and the outer ring grid frame according to claim 7, wherein the truss ring beam is connected with a welding plate (11), and the chord member (12), the chord member web member (08) and the grid web member (13) of the outer ring arc grid frame (02) of the diagonal plane truss are connected to a connector formed by the truss ring beam and the welding plate (11) in a penetration welding way.
9. The space grid structure combining the diagonal plane truss and the outer ring grid frame according to claim 1, wherein the outer ring arc grid frame (02) is a square pyramid grid frame or a square evacuated square pyramid grid frame.
10. The space grid structure combining the oblique plane trusses and the outer ring grid frame according to claim 1, wherein the internal oblique plane trusses (01) are formed by obliquely crossing a truss plane truss (05), and the crossing points (09) are just used as dividing points of the truss grid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295667.6U CN220202963U (en) | 2023-08-25 | 2023-08-25 | Space grid structure combining oblique plane truss and outer ring grid frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322295667.6U CN220202963U (en) | 2023-08-25 | 2023-08-25 | Space grid structure combining oblique plane truss and outer ring grid frame |
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| Publication Number | Publication Date |
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| CN220202963U true CN220202963U (en) | 2023-12-19 |
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| CN202322295667.6U Active CN220202963U (en) | 2023-08-25 | 2023-08-25 | Space grid structure combining oblique plane truss and outer ring grid frame |
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