CN216787448U - Assembled steel-wood truss steel web member and wood chord steel connected node - Google Patents
Assembled steel-wood truss steel web member and wood chord steel connected node Download PDFInfo
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- CN216787448U CN216787448U CN202122408175.4U CN202122408175U CN216787448U CN 216787448 U CN216787448 U CN 216787448U CN 202122408175 U CN202122408175 U CN 202122408175U CN 216787448 U CN216787448 U CN 216787448U
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Abstract
The utility model relates to an assembly type steel-wood truss steel web member and wood chord steel connecting node, which comprises a wood upper chord member, a wood lower chord member and a rectangular pyramid steel frame unit; the upper wood chord member is connected with the two lower wood chord members through a plurality of rectangular pyramid steel frame units, the top points of the rectangular pyramid steel frame units are connected with the upper wood chord member, and the four corners of the bottom of each rectangular pyramid steel frame unit are connected with the two lower wood chord members; and the upper wooden chord and the two lower wooden chords are arranged in parallel in space. The utility model achieves the following beneficial effects: the cost is saved, the structure is firm, the stress can be released, and the damage can be avoided.
Description
Technical Field
The utility model relates to a steel-wood building node technical field, especially an assembled steel-wood truss steel web member and wood chord steel connected node.
Background
For steel structure buildings, the nodes are connected by bolts or bolts; since steel has a great strength, a good connection strength can be secured even in a general bolt connection.
For steel to wood joints, welding is not possible and the typical bolted joint may not be secure. And the heat generated when the steel is joined by welding to other steels may cause one side of the wood to be burned. In addition, when the whole building is built, certain deformation can be generated, and the traditional steel structure is resistant to deformation due to the strength of steel; however, the strength of the wood structure is not always satisfactory when the wood structure is deformed.
For this reason, the present company has been aiming at improvement of the steel-wood joint structure to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the assembled steel-wood truss steel web member and wood chord steel connecting node which is cost-saving, firm in structure, capable of releasing stress and avoiding damage.
The purpose of the utility model is realized by the following technical scheme: an assembled steel-wood truss steel web member and wood chord steel connecting node comprises a wood upper chord member, a wood lower chord member and a rectangular pyramid steel frame unit;
the upper wood chord member is connected with the two lower wood chord members through a plurality of rectangular pyramid steel frame units, the top points of the rectangular pyramid steel frame units are connected with the upper wood chord member, and the four corners of the bottom of each rectangular pyramid steel frame unit are connected with the two lower wood chord members; and the upper wooden chord and the two lower wooden chords are arranged in parallel in space.
Furthermore, the rectangular pyramid steel frame unit consists of two triangular steel frames; the vertexes of the two triangular steel frames are hinged together, and the bottom edges of the two triangular steel frames are opened towards two sides, so that a quadrangular pyramid shape is formed; two angles at the bottom of the triangular steel frame are respectively connected with two wooden lower chords.
Furthermore, the rectangular pyramid steel frame unit is connected with the upper wooden chord and the lower wooden chord through connecting pieces; the connecting piece comprises a bottom plate and an ear seat A which are integrated; the corners of the triangular steel frame are hinged with the lug seats A through bolts; the bottom plate is fixed with the corresponding chord through crossed inclined screws A.
Furthermore, the bottom surface of the bottom plate is provided with an elastic heat insulation layer, and the screw hole on the bottom plate is provided with an elastic heat insulation ring; the wooden upper chord and the wooden lower chord are provided with a recess for installing the bottom plate.
Furthermore, the top of the triangular steel frame is welded with an ear seat B, and the respective ear seats B of the two triangular steel frames in one rectangular pyramid steel frame unit are hinged to the corresponding ear seats A together through the same bolt, so that a structure capable of deforming according to the tension of the lower wooden chord is formed.
Furthermore, on the connecting piece, corresponding inclined screws A on the left part and the right part of the bottom plate which take the lug seat A as the symmetric center are mutually crossed; the bottom plate and the corresponding chord are respectively provided with a corresponding inclined screw hole.
Furthermore, the lower left corner of one end of each of the upper wooden chord member and the lower wooden chord member is provided with a notch, and the upper right corner of the other end of each of the upper wooden chord member and the lower wooden chord member is provided with a notch; and the assembled steel-wood truss steel web members are in butt joint with the wood chord steel connecting nodes through notches in the corresponding chord members in an adaptive manner and are fixedly connected through inclined screws B.
The utility model has the following advantages:
(1) by arranging the wooden chord members and the rectangular pyramid steel structure units, the construction cost is saved due to the structure of the wooden material and the steel material;
(2) due to the arrangement of the rectangular pyramid steel structure units, the wood upper chord member and the wood lower chord member are triangular at the oblique section, so that the stability is good, and the whole steel-wood beam structure is firm; the connecting piece is stressed by two forces in the directions which are mutually staggered due to the arrangement of the inclined screw A on the connecting piece, so that the connecting strength of the connecting piece and the corresponding chord rod is ensured; compared with the traditional vertical hole, the hole inclined on the chord member can better ensure the strength of the chord member at the position;
(3) the rectangular pyramid steel frame unit is a structure formed by hinging two triangular steel frames at the top point, so that the distance between the bottom edges of the two triangular steel frames can be adjusted, and when the wooden chord member is deformed, the rectangular pyramid steel frame unit is adaptive and adjusted, thereby releasing the stress of the wooden chord member and avoiding the damage of the chord member; elastic thermal-insulated layer, the thermal-insulated ring's of elasticity setting also can play the effect of release wooden chord member deformation stress, and in addition, setting up between them still has thermal-insulated effect, avoids giving wooden chord member with the heat transfer and producing the burning when the welding steelframe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-wood upper chord, 2-wood lower chord, 3-rectangular pyramid steel frame unit, 301-triangular steel frame, 4-connecting piece, 5-bottom plate, 6-ear seat A, and 7-inclined screw A.
Detailed Description
The utility model will be further described with reference to the accompanying drawings, but the scope of the utility model is not limited to the following.
As shown in fig. 1, an assembly type steel-wood truss steel web member and wood chord steel connecting node comprises a wood upper chord member 1, a wood lower chord member 2 and a rectangular pyramid steel frame unit 3; the upper wood chord 1 is connected with the two lower wood chords 2 through a plurality of rectangular pyramid steel frame units 3, the top points of the rectangular pyramid steel frame units 3 are connected with the upper wood chord 1, and the four corners of the bottom of each rectangular pyramid steel frame unit 3 are connected with the two lower wood chords 2; and the wood upper chord member 1 and the two wood lower chord members 2 are arranged in parallel in space. Through rectangular pyramid steel unit 3, let wooden top chord 1 and two wooden bottom chord 2, form comparatively stable structure.
In this embodiment, the rectangular pyramid steel frame unit 3 is composed of two triangular steel frames 301; the vertexes of the two triangular steel frames 301 are hinged together, and the bottom edges of the two triangular steel frames are opened towards two sides, so that a quadrangular pyramid shape is formed; two angles at the bottom of the triangular steel frame 301 are respectively connected with the two wood lower chords 2.
Optionally, the top point and the bottom four corners of the rectangular pyramid steel frame unit 3 are hinged to the connecting piece 4, and are fixedly mounted on the corresponding chords through the connecting piece 4, and the connecting piece 4 comprises an integrated bottom plate 5 and an ear seat a 6. The four corners at the bottom of the rectangular pyramid steel frame unit 3 are equivalent to the corners at the bottom edges of the two triangular steel frames 301, and the four corners are hinged on the ear seats A6 of the corresponding connecting pieces 4 through bolts.
Furthermore, the vertex of the rectangular pyramid steel frame unit 3 is equivalent to the vertex of two triangular steel frames 301; the two triangular steel frames 301 are respectively welded with an ear seat B at the top point, and the two ear seats B are hinged on the ear seat A6 of the top connecting piece 4 through the same bolt. When the corresponding chord members are connected and installed, the chord members are bent and deformed, or when tensile/compressive stress is exerted on the chord members in the upward direction, the two triangular steel frames 301 in the rectangular pyramid steel frame unit 3 can be unfolded to be deformed adaptively, a certain force is released, and the situation that the wooden chord members are damaged is avoided.
Alternatively, the bottom plate 5 is fixed to the corresponding chord by means of crossed inclined screws a 7. Specifically, on the connecting piece 4, the left and right parts of the bottom plate 5 which take the ear seat A6 as the symmetrical center are crossed by the corresponding inclined screws A7; the bottom plate 5 and the corresponding chord are respectively provided with a corresponding inclined screw hole. The force between the connecting member 4 and the corresponding chord member is two forces in the cross direction, so that the inclined screw 7 is not easy to loosen and the installation is firm.
Optionally, the bottom surface of the bottom plate 5 is provided with an elastic heat insulation layer, and the screw hole on the bottom plate 5 is provided with an elastic heat insulation ring; the wooden upper chord 1 and the wooden lower chord 2 are provided with a recess for installing the bottom plate 5. When the whole assembly type steel-wood truss steel web member and wood chord steel connecting node is built, operation is firstly carried out on the ground; preferentially, the upper wooden chord 1 and the lower wooden chord 2 are parallel in space, then the connecting piece 4 is installed, and finally the triangular steel frame 301 is welded in a matching mode, so that heat is easily transferred to the wooden chord, the elastic heat insulation layer and the elastic heat insulation ring play a role in heat insulation, and in addition, when the connecting node of the whole assembly type steel-wood truss steel web member and the wooden chord steel deforms, the elastic heat insulation ring can deform in a matching mode.
In the embodiment, the lower left corner of one end of each of the upper wooden chord 1 and the lower wooden chord 2 is provided with a notch, and the upper right corner of the other end of each of the upper wooden chord 1 and the lower wooden chord 2 is provided with a notch; and the assembled steel-wood truss steel web members are in butt joint with the wood chord steel connecting nodes through notches in the corresponding chord members in an adaptive manner and are fixedly connected through inclined screws B.
The steel-wood beam structure is used for buildings with lower strength requirements, such as building of agricultural conferences and the like.
The above examples only represent preferred embodiments, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides an assembled steel wood truss steel web member and wood string steel connected node which characterized in that: comprises a wood upper chord member (1), a wood lower chord member (2) and a rectangular pyramid steel frame unit (3);
the upper wooden chord (1) is connected with the two lower wooden chords (2) through a plurality of rectangular pyramid steel frame units (3), the top points of the rectangular pyramid steel frame units (3) are connected with the upper wooden chord (1), and the four corners of the bottom of each rectangular pyramid steel frame unit (3) are connected with the two lower wooden chords (2); and the upper wooden chord (1) and the two lower wooden chords (2) are arranged in parallel in space.
2. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 1, wherein: the rectangular pyramid steel frame unit (3) is composed of two triangular steel frames (301);
the vertexes of the two triangular steel frames (301) are hinged together, and the bottom edges of the two triangular steel frames are opened towards two sides, so that a quadrangular pyramid shape is formed;
two angles at the bottom of the triangular steel frame (301) are respectively connected with two wooden lower chords (2).
3. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 2, wherein: the rectangular pyramid steel frame unit (3) is connected with the upper wooden chord (1) and the lower wooden chord (2) through the connecting piece (4);
the connecting piece (4) comprises an integrated bottom plate (5) and an ear seat A (6); the corners of the triangular steel frame (301) are hinged with the lug seats A (6) through bolts; the bottom plate (5) is fixed with the corresponding chord through a crossed inclined screw A (7).
4. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 3, wherein: the bottom surface of the bottom plate (5) is provided with an elastic heat insulation layer, and screw holes on the bottom plate (5) are provided with elastic heat insulation rings;
the wooden upper chord (1) and the wooden lower chord (2) are provided with a recess for installing the bottom plate (5).
5. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 4, wherein: the top of each triangular steel frame (301) is welded with an ear seat B, the respective ear seats B of the two triangular steel frames (301) in one rectangular pyramid steel frame unit (3) are hinged to the corresponding ear seats A (6) through the same bolt, and a structure capable of deforming according to the tension of the wood lower chord (2) is formed.
6. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 5, wherein: on the connecting piece (4), corresponding inclined screws A (7) on the left part and the right part of the bottom plate (5) which take the ear seat A (6) as the symmetric center are mutually crossed;
the bottom plate (5) and the corresponding chord are respectively provided with a corresponding inclined screw hole.
7. The assembled steel-wood truss steel web member and wood chord steel connecting node of claim 6, wherein: the upper wooden chord (1) and the lower wooden chord (2) are provided with notches at the left lower corner of one end and notches at the right upper corner of the other end;
and the assembled steel-wood truss steel web members are in butt joint with the wood chord steel connecting nodes through notches in the corresponding chord members in an adaptive manner and are fixedly connected through inclined screws B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122408175.4U CN216787448U (en) | 2021-09-30 | 2021-09-30 | Assembled steel-wood truss steel web member and wood chord steel connected node |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122408175.4U CN216787448U (en) | 2021-09-30 | 2021-09-30 | Assembled steel-wood truss steel web member and wood chord steel connected node |
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| CN216787448U true CN216787448U (en) | 2022-06-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892809A (en) * | 2022-06-28 | 2022-08-12 | 中国建筑西南设计研究院有限公司 | Bidirectional structure stress system based on wood folded plate |
| CN115992553A (en) * | 2023-02-10 | 2023-04-21 | 四川省建筑设计研究院有限公司 | Rotatable stay bar connecting node of beam string and construction method thereof |
| CN118128184A (en) * | 2024-05-07 | 2024-06-04 | 北京城建集团有限责任公司 | Forward-placed quadrangular pyramid steel web member and manufacturing method thereof |
-
2021
- 2021-09-30 CN CN202122408175.4U patent/CN216787448U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892809A (en) * | 2022-06-28 | 2022-08-12 | 中国建筑西南设计研究院有限公司 | Bidirectional structure stress system based on wood folded plate |
| CN114892809B (en) * | 2022-06-28 | 2023-09-26 | 中国建筑西南设计研究院有限公司 | Bidirectional structure stress system based on wood folded plate |
| CN115992553A (en) * | 2023-02-10 | 2023-04-21 | 四川省建筑设计研究院有限公司 | Rotatable stay bar connecting node of beam string and construction method thereof |
| CN118128184A (en) * | 2024-05-07 | 2024-06-04 | 北京城建集团有限责任公司 | Forward-placed quadrangular pyramid steel web member and manufacturing method thereof |
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