CN110761468A - Building roof truss, building roof, supporting structure of building and building - Google Patents
Building roof truss, building roof, supporting structure of building and building Download PDFInfo
- Publication number
- CN110761468A CN110761468A CN201911023920.4A CN201911023920A CN110761468A CN 110761468 A CN110761468 A CN 110761468A CN 201911023920 A CN201911023920 A CN 201911023920A CN 110761468 A CN110761468 A CN 110761468A
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- building
- connecting piece
- vertical keel
- combined oblique
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
- E04B7/06—Constructions of roof intersections or hipped ends
- E04B7/063—Hipped ends
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a building roof truss, a building roof, a supporting structure of a building and the building, wherein the building roof truss comprises: the combined oblique keel comprises a vertical keel (1) and a combined oblique beam (2); the top end of the vertical keel (1) is provided with a connecting sheet; the combined oblique beam (2) is formed by two side-by-side pipes; the connecting piece is arranged between the two square pipes of the combined oblique beam (2), and the two square pipes and the connecting piece are connected through the opposite penetrating bolts (3). This building roof truss simple structure, convenient assembling, each structure can be standardized, utilizes building information ization BIM technical design to accomplish three-dimensional building model, realizes industrialization batch production, the job site as long as install standardized product reliably in the set position according to the building drawing can, orderly with prefabricated assembled steel structural component install on the set position, not only improved building industrialization degree, still improved building efficiency simultaneously greatly. The building provided with the building roof truss also has the advantages.
Description
Technical Field
The invention relates to the technical field of constructional engineering and structural engineering, in particular to a building roof truss, a building roof, a supporting structure of a building and the building.
Background
In recent years, under the drive of policies and economic developments of "green construction activities" and "construction industrialization, housing industrialization", prefabricated buildings have become hot spots for domestic research and exploration. Prefabricated houses are increasingly utilized in a variety of fields due to their characteristics of convenience in assembly and disassembly, convenience in movement and transportation, and the like.
The existing slope roof structure of the bottom building is basically a cast-in-place structure or a traditional steel structure cast-in-place structure, the construction and installation are inconvenient, the wet construction workload is large, the mode of connecting nodes is complex, the construction quality is difficult to control, the field workload is increased, and the construction efficiency is reduced.
Disclosure of Invention
Objects of the invention
The invention aims to provide a building roof truss, a building roof, a supporting structure of a building and the building, and aims to solve the problems that in the prior art, connecting nodes are complex, and construction quality cannot be guaranteed.
(II) technical scheme
To solve the above problems, a first aspect of the present invention provides a building roof truss comprising: a vertical keel and a combined oblique beam; the top end of the vertical keel is provided with a connecting sheet; the combined oblique beam is formed by arranging double square pipes side by side; the connecting piece is arranged between the double square pipes of the combined oblique beam, and the double square pipes and the connecting piece are connected through the through bolts.
Further, the connecting piece comprises a one-way connecting piece; the one-way connecting piece is used for connecting the vertical keel with the single combined oblique beam, the one-way connecting piece is arranged between the double square pipes of the combined oblique beam, and the double square pipes and the one-way connecting piece are connected through the through bolts.
Further, the connecting piece comprises a cross connecting piece; the cross connecting piece is a cross combination of four one-way connecting pieces, the cross connecting piece is used for connecting the vertical keel and the four combined oblique beams, and each combined oblique beam in the four combined oblique beams is connected with one-way connecting piece in the cross connecting piece through a through bolt.
Further, the device also comprises a connecting corner connector; connect angle sign indicating number one end with the side of vertical fossil fragments is connected, the other end setting of connecting the angle sign indicating number is in between the two square pipes of combination sloping to will through to wearing the bolt two square pipes reach connect the angle sign indicating number and connect.
Further, a column base is arranged at the bottom of the vertical keel; the vertical keel is connected with the building cross beam through the column foot.
According to another aspect of the present invention, there is provided a building roof comprising: a positive roof ridge and an oblique roof ridge; the front ridge is formed by connecting a vertical keel with a cross connecting sheet at the top end and four combined oblique beams of the two square tubes; the cross connecting piece is a cross combination of four one-way connecting pieces, the cross connecting piece is used for connecting the vertical keel and the four combined oblique beams, and each combined oblique beam in the four combined oblique beams is connected with one-way connecting piece in the cross connecting piece through a through bolt; the inclined ridge is formed by connecting a vertical keel with a one-way connecting sheet at the top end and two square tube combined inclined beams; the one-way connecting piece is arranged between two square pipes of one of the two square pipe combined oblique beams, the two square pipes and the one-way connecting piece are connected through a butt-penetrating bolt, and the other one of the two square pipe combined oblique beams is connected with the side face of the vertical keel with the one-way connecting piece arranged at the top end through a connecting corner connector.
Furthermore, the number of the positive ridges is one, and the number of the oblique ridges is four.
Further, every two inclined roof ridges are connected with one end of the positive roof ridge; the connecting position is formed by connecting a vertical keel provided with a cross connecting sheet with four double-square-tube combined oblique beams, and the two sides of the vertical keel provided with the cross connecting sheet are connected with the two double-square-tube combined oblique beams through two connecting corner connectors.
According to still another aspect of the present invention, there is provided a support structure for a building, including: the roof truss structure comprises beam columns and supporting columns, and the building roof truss structure is arranged at the top ends of the beam columns.
According to a further aspect of the present invention there is provided a building provided with a building roof truss according to any one of the preceding claims.
The present invention is directed to a building roof truss comprising: a vertical keel and a combined oblique beam; the top end of the vertical keel is provided with a connecting sheet; the combined oblique beam is formed by arranging double square pipes side by side; the connecting piece is arranged between the double square pipes of the combined oblique beam, and the double square pipes and the connecting piece are connected through the opposite penetrating bolts. In another aspect of the present invention, there is provided a roof for a building, comprising: a positive roof ridge and an oblique roof ridge; the front ridge is formed by connecting a vertical keel with a cross connecting sheet at the top end and four combined oblique beams of the two square tubes; the cross connecting piece is a cross combination of four one-way connecting pieces, the cross connecting piece is used for connecting the vertical keel and the four combined oblique beams, and each combined oblique beam in the four combined oblique beams is connected with one-way connecting piece in the cross connecting piece through a through bolt; the inclined ridge is formed by connecting a vertical keel with a one-way connecting sheet at the top end with two square tube combined inclined beams; the one-way connecting piece is arranged between two square pipes of one of the double-square pipe combined oblique beams, the double-square pipe and the one-way connecting piece are connected through the opposite penetrating bolt, and the other double-square pipe combined oblique beam is connected with the side face of the vertical keel with the one-way connecting piece arranged at the top end through the connecting corner connector. And a supporting structure and a building of the building provided with the roof truss.
(III) advantageous effects
The technical scheme of the invention has the following beneficial technical effects:
the building roof truss provided by the invention has the advantages that the structure is simple, the assembly is convenient, each structural part can be standardized, the three-dimensional building model is designed and completed by utilizing the building informatization BIM technology, the industrialized mass production is realized, standardized products can be reliably installed at the set position on the construction site according to the building drawing, the prefabricated steel structural components are orderly installed at the set position, the building industrialization degree is improved, and the building construction efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of a building roof truss according to a first embodiment of the present invention;
figure 2 is a partial schematic structural view of a vertical runner with a one-way connector according to an alternative embodiment of the invention;
figure 3 is a partial exploded view of the vertical runner with one-way tabs according to an alternative embodiment of the present invention;
figure 4 is a partial block diagram illustration of a vertical runner with a cross-web according to an alternative embodiment of the present invention;
figure 5 is a partial exploded view of the vertical runner with the cross-web in accordance with an alternative embodiment of the present invention;
figure 6 is a partial schematic structural view of a vertical keel side connecting combination stringer according to an alternative embodiment of the invention;
figure 7 is a partial exploded view of a vertical runner side joint compound stringer in accordance with an alternative embodiment of the present invention;
FIG. 8 is a partial structural view of a pitched roof and a spur roof connection according to an alternative embodiment of the present invention;
FIG. 9 is a partial exploded view of a diagonal ridge connected to a main ridge in accordance with an alternative embodiment of the present invention;
fig. 10 is a schematic structural view of a support structure of a building according to an alternative embodiment of the present invention.
Reference numerals:
1: a vertical keel; 2: combining the oblique beams; 3: penetrating a bolt; 4: connecting corner connectors; 11: a unidirectional connecting sheet; 12: a cross connecting sheet; 13: a column shoe; 14: t-shaped connecting sheet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the drawings a schematic view of a layer structure according to an embodiment of the invention is shown. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that 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 addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
As shown in fig. 1, in a first aspect of an embodiment of the present invention, there is provided a building roof truss comprising: the combined oblique keel comprises a vertical keel 1 and a combined oblique beam 2; the top end of the vertical keel 1 is provided with a connecting sheet; the combined oblique beam 2 is formed by two side-by-side pipes; the connecting piece is arranged between the two square pipes of the combined oblique beam 2 and is connected with the two square pipes and the connecting piece through the opposite-penetrating bolts 3. The truss overall structure comprises vertical keel 1 and both sides nest of tubes combination sloping beam 2, and overall structure full industrial production, the modularization is assembled, and the structure adopts prefabricated steel construction full bolted connection, does not have the welding way, and 100% prefabrication and cyclic utilization more than 95% are realized to the structural component.
As shown in fig. 2-3, optionally, the connecting piece comprises a one-way connecting piece 11; the one-way connecting piece 11 is used for connecting the vertical keel 1 with the single combined oblique beam 2, the one-way connecting piece 11 is arranged between the two side pipes of the combined oblique beam 2, and the two side pipes and the one-way connecting piece 11 are connected through the opposite penetrating bolts 3.
As shown in fig. 4-5, the connecting tabs optionally include cross connecting tabs 12; the cross connecting piece 12 is a cross combination of four one-way connecting pieces, the cross connecting piece 12 is used for connecting the vertical keel 1 with the four combined oblique beams 2, and each combined oblique beam 2 in the four combined oblique beams 2 is connected with one-way connecting piece in the cross connecting piece 12 through the opposite penetrating bolt 3.
As shown in fig. 6-7, optionally, a connecting corner brace 4 is further included; one end of the connecting angle brace 4 is connected with the side face of the vertical keel 1, the other end of the connecting angle brace 4 is arranged between the two side pipes of the combined oblique beam 2, and the two side pipes and the connecting angle brace 4 are connected through the opposite penetrating bolts 3.
As shown in fig. 8-9, optionally, a column base 13 is arranged at the bottom of the vertical keel 1; vertical fossil fragments 1 passes through column foot 13 is connected with the building crossbeam, and in this embodiment, the connecting piece is T word connection piece, T word connection piece 14 is the T style of calligraphy combination of three one-way connection piece, T word connection piece 14 be used for with vertical fossil fragments 1 and three combination sloping 2 is connected, and is three each combination sloping 2 in the combination sloping 2 all with one-way connection piece in T word connection piece 12 is through wearing bolt 3 to be connected.
In an alternative embodiment of the present invention, as shown in fig. 10, there is provided a building roof truss comprising: the combined oblique keel comprises a vertical keel 1 and a combined oblique beam 2; the top end of the vertical keel 1 is provided with a connecting sheet; the combined oblique beam 2 is formed by two side-by-side pipes; the connecting piece sets up between two square tubes of combination sloping 2 to through to wearing bolt 3 with two square tubes and connecting piece connection. Specifically, the connecting piece comprises a one-way connecting piece 11; the one-way connecting piece 11 is used for connecting the vertical keel 1 with the single combined oblique beam 2, the one-way connecting piece 11 is arranged between the two side pipes of the combined oblique beam 2, and the two side pipes and the one-way connecting piece 11 are connected through the opposite penetrating bolts 3. Specifically, the connecting pieces include a cross connecting piece 12; the cross connecting piece 12 is a cross combination of four one-way connecting pieces 11, the cross connecting piece 12 is used for connecting the vertical keel 1 with the four combined oblique beams 2, and each combined oblique beam 2 in the four combined oblique beams 2 is connected with one-way connecting piece 11 in the cross connecting piece 12 through the opposite penetrating bolt 3. Specifically, the device also comprises a connecting corner brace 4; connect 4 one ends of angle sign indicating number and vertical keel 1's side and be connected, the other end setting of connecting angle sign indicating number 4 is between 2 both sides pipes of combination sloping to through 3 with two side pipes and connect 4 connections of angle sign indicating numbers of bolt. Specifically, the bottom of the vertical keel 1 is provided with a column base 13; the vertical keel 1 is connected with the building beam through a column base 13.
According to another aspect of the present invention, there is provided a building roof comprising: a positive roof ridge and an oblique roof ridge; the front ridge is formed by connecting a vertical keel 1 with a cross connecting sheet 12 at the top end and four double square tube combined oblique beams 2; the cross connecting piece 12 is a cross combination of four one-way connecting pieces 11, the cross connecting piece 12 is used for connecting the vertical keel 1 with the four combined oblique beams 2, and each combined oblique beam 2 in the four combined oblique beams 2 is connected with one-way connecting piece 11 in the cross connecting piece 12 through a through bolt 3; the inclined ridge is formed by connecting a vertical keel 1 with a one-way connecting sheet 11 at the top end and two square tube combined inclined beams 2; the one-way connecting piece 11 is arranged between two side pipes of one of the two side pipe combined oblique beams 2, the two side pipes and the one-way connecting piece 11 are connected through the opposite penetrating bolts 3, and the other one of the two side pipe combined oblique beams 2 is connected with the side face of the vertical keel 1 with the one-way connecting piece 11 arranged at the top end through the connecting corner brace 4.
Optionally, the number of the positive ridges is one, and the number of the oblique ridges is four.
Optionally, every two inclined roof ridges are connected with one end of the positive roof ridge; the connecting position is formed by connecting a vertical keel 1 provided with a cross connecting sheet 12 and four double square tube combined oblique beams 2, and the two sides of the vertical keel 1 provided with the cross connecting sheet 12 are connected with the two double square tube combined oblique beams 2 through two connecting corner connectors 4.
According to still another aspect of the present invention, there is provided a support structure for a building, including: the roof truss structure comprises beam columns and supporting columns, and the building roof truss structure is arranged at the top ends of the beam columns.
According to a further aspect of the present invention there is provided a building provided with a building roof truss according to any one of the preceding claims.
The present invention is directed to a building roof truss comprising: the combined oblique keel comprises a vertical keel 1 and a combined oblique beam 2; the top end of the vertical keel 1 is provided with a connecting sheet; the combined oblique beam 2 is formed by two side-by-side pipes; the connecting piece sets up between two square tubes of combination sloping 2 to through to wearing bolt 3 with two square tubes and connecting piece connection. In another aspect of the present invention, there is provided a roof for a building, comprising: a positive roof ridge and an oblique roof ridge; the front ridge is formed by connecting a vertical keel 1 with a cross connecting sheet 12 at the top end and four double square tube combined oblique beams 2; the cross connecting piece 12 is a cross combination of four one-way connecting pieces 11, the cross connecting piece 12 is used for connecting the vertical keel 1 with the four combined oblique beams 2, and each combined oblique beam 2 in the four combined oblique beams 2 is connected with one-way connecting piece 11 in the cross connecting piece 12 through the opposite penetrating bolt 3; the inclined ridge is formed by connecting a vertical keel 1 with a one-way connecting sheet 11 at the top end and two square tube combined inclined beams 2; one-way connecting piece 11 sets up between two square tubes of one of them double square tube combination sloping beam 2 to through to wearing bolt 3 with double square tube and one-way connecting piece 11 connection, another double square tube combination sloping beam 2 is provided with the side connection of the vertical fossil fragments 1 of one-way connecting piece 11 through connecting angle sign indicating number 4 and top. And a supporting structure and a building of the building provided with the roof truss. This building roof truss simple structure, convenient assembling, each structure can be standardized, utilizes building information ization BIM technical design to accomplish three-dimensional building model, realizes industrialization batch production, the job site as long as install standardized product reliably in the set position according to the building drawing can, orderly with prefabricated assembled steel structural component install on the set position, not only improved building industrialization degree, still improved building efficiency simultaneously greatly.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A building roof truss, comprising: the combined oblique keel comprises a vertical keel (1) and a combined oblique beam (2);
the top end of the vertical keel (1) is provided with a connecting sheet;
the combined oblique beam (2) is formed by two side-by-side pipes;
the connecting piece is arranged between the two square pipes of the combined oblique beam (2), and the two square pipes and the connecting piece are connected through the through bolts (3).
2. The building roof truss of claim 1 wherein the connecting tabs comprise unidirectional connecting tabs (11);
the one-way connecting piece (11) is used for connecting the vertical keel (1) with the single combined oblique beam (2), the one-way connecting piece (11) is arranged between the two side pipes of the combined oblique beam (2), and the two side pipes and the one-way connecting piece (11) are connected through the through bolts (3).
3. The building roof truss of claim 1 wherein the connecting tabs comprise cross connecting tabs (12);
the cross connecting piece (12) is a cross combination of four one-way connecting pieces (11), the cross connecting piece (12) is used for connecting the vertical keel (1) with four combined oblique beams (2), and each combined oblique beam (2) in the combined oblique beams (2) is connected with one-way connecting piece (11) in the cross connecting piece (12) through the opposite penetrating bolt (3).
4. The building roof truss of claim 1 further including a connection corner brace (4);
one end of the connecting angle brace (4) is connected with the side face of the vertical keel (1), the other end of the connecting angle brace (4) is arranged between the two side pipes of the combined oblique beam (2), and the two side pipes and the connecting angle brace (4) are connected through a butt-penetrating bolt (3).
5. The building roof truss according to any one of claims 1-4, wherein the vertical keel (1) is provided at its bottom with a pedestal (13);
the vertical keel (1) is connected with the building cross beam through the column base (13).
6. A building roof, comprising: a positive roof ridge and an oblique roof ridge;
the positive roof ridge is formed by connecting a vertical keel (1) with a cross connecting sheet (12) at the top end and four double-square tube combined oblique beams (2); the cross connecting piece (12) is a cross combination of four one-way connecting pieces, the cross connecting piece (12) is used for connecting the vertical keel (1) with the four combined oblique beams (2), and each combined oblique beam (2) in the four combined oblique beams (2) is connected with one-way connecting piece in the cross connecting piece (12) through a through bolt (3);
the inclined roof ridge is formed by connecting a vertical keel (1) with a one-way connecting sheet (11) at the top end with two double-square tube combined inclined beams (2); one of the two square pipes of the double-square pipe combined oblique beam (2) is provided with a one-way connecting piece (11) between the two square pipes, the double-square pipes are connected with the one-way connecting piece (11) through a pair-penetrating bolt (3), and the other one of the two square pipes of the double-square pipe combined oblique beam (2) is connected with the side face of the vertical keel (1) provided with the one-way connecting piece (11) at the top end through a connecting corner connector (4).
7. The building roof as claimed in claim 6, wherein there are one positive ridge and four negative ridges.
8. The building roof as claimed in claim 7, wherein each two of said oblique ridges are connected to one end of said positive ridge;
the connecting position is formed by connecting a vertical keel (1) provided with a cross connecting piece (12) and four double-square-tube combined oblique beams (2), and the two sides of the vertical keel (1) provided with the cross connecting piece (12) are connected with the two double-square-tube combined oblique beams (2) through two connecting angle connectors (4).
9. A support structure for a building, comprising: a beam column and a support column, and a building roof truss according to any one of claims 1 to 5 is provided at the top end of the beam column.
10. A building provided with a building roof truss according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023920.4A CN110761468A (en) | 2019-10-25 | 2019-10-25 | Building roof truss, building roof, supporting structure of building and building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023920.4A CN110761468A (en) | 2019-10-25 | 2019-10-25 | Building roof truss, building roof, supporting structure of building and building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110761468A true CN110761468A (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911023920.4A Pending CN110761468A (en) | 2019-10-25 | 2019-10-25 | Building roof truss, building roof, supporting structure of building and building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110761468A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
| CN112031245A (en) * | 2020-09-14 | 2020-12-04 | 合肥建设装饰(集团)有限责任公司 | Building roof truss, building roof and supporting structure of building |
-
2019
- 2019-10-25 CN CN201911023920.4A patent/CN110761468A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851740A (en) * | 2020-08-24 | 2020-10-30 | 汉尔姆建筑科技有限公司 | Supporting component of steel structure |
| CN112031245A (en) * | 2020-09-14 | 2020-12-04 | 合肥建设装饰(集团)有限责任公司 | Building roof truss, building roof and supporting structure of building |
| CN112031245B (en) * | 2020-09-14 | 2021-12-10 | 合肥建设装饰(集团)有限责任公司 | Building roof |
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