CN210976326U - Steel-wood roof truss lower chord node - Google Patents
Steel-wood roof truss lower chord node Download PDFInfo
- Publication number
- CN210976326U CN210976326U CN201921619929.7U CN201921619929U CN210976326U CN 210976326 U CN210976326 U CN 210976326U CN 201921619929 U CN201921619929 U CN 201921619929U CN 210976326 U CN210976326 U CN 210976326U
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- steel
- lower chord
- wood
- roof truss
- wood roof
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Abstract
The utility model discloses a steel-wood roof truss bottom chord node belongs to building node structure field. The steel-wood roof truss lower chord node comprises a connecting box arranged on a lower chord of a steel-wood roof truss, a connecting cavity is arranged on the connecting box, and the lower end of a wood diagonal rod of the steel-wood roof truss is connected in the connecting cavity through a connecting bolt. The utility model discloses a steel-wood roof truss lower chord node can realize improving the steadiness and the installation convenience of being connected between lower chord node and the wooden down tube.
Description
Technical Field
The utility model relates to a building node structure field especially relates to a steel-wood roof truss lower chord node.
Background
The steel-wood roof truss adopts wood as a compression or bending member, for example, the upper chord and the diagonal members are made of wood, the lower chord and the pull rod are made of steel, and the advantages of different materials are fully utilized.
The lower chord node of the traditional steel-wood roof truss adopts a hard square-wood cushion block to connect the diagonal rods, the pull rods and the lower chord, and all the rod pieces are fixed by iron cramp nails in intersection. The wood cushion block bears the pressure of the wooden diagonal web member, the wood cushion block and the wooden diagonal web member are fixed by the double-faced iron cramp nail, the lower chord connecting steel plate is also connected with the wood cushion block by the iron cramp nail, the iron cramp nail is easy to split the hardwood cushion block, the fixing effect is unstable, and the roof truss is easy to loosen or even destroy in the hoisting and using processes. And the middle part of the hardwood cushion block needs to be perforated with round steel pull rods in advance, so that the strength of the cushion block is weakened. And because the wooden down tube is fixed through the iron cramp after the wood down tube is abutted against the wooden cushion block, the node size is higher. Therefore, the lower chord node of the traditional steel-wood roof truss has higher requirement on the strength of the skid, has high requirement on the processing, installation and construction of components, has poor stability and is inconvenient to install and connect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that a steel-wood roof truss bottom chord node is provided to the realization improves the steadiness and the installation convenience of being connected between bottom chord node and the wood down tube.
The utility model adopts the technical proposal that:
the utility model provides a pair of steel-wood roof truss bottom chord node, including setting up the connecting box on the bottom chord of steel-wood roof truss, be provided with on the connecting box and connect the chamber position, the lower extreme of the wood down tube of steel-wood roof truss pass through connecting bolt connect in the chamber position.
As a further improvement of the scheme, the lower end of a round steel pull rod of the steel-wood roof truss is provided with external threads, and the lower end of the round steel pull rod is connected with the connecting box through a nut.
As a further improvement of the scheme, the connecting box comprises a lower chord connecting plate and two connecting side plates fixedly arranged above the lower chord connecting plate, the lower chord connecting plate is arranged on the lower chord, the connecting cavity is formed between the two connecting side plates, and the connecting bolt penetrates through the lower end of the wood down-tube and the two connecting side plates to connect the wood down-tube with the connecting box.
As a further improvement of the scheme, the two connecting side plates are arranged in parallel.
As a further improvement of the scheme, the bottom of the lower chord connecting plate is welded with the lower chord.
As a further improvement of the scheme, the lower end of a round steel pull rod of the steel-wood roof truss is provided with external threads, and the lower end of the round steel pull rod penetrates through the lower chord connecting plate and is connected with the lower chord connecting plate through a nut.
As a further improvement of the scheme, the connecting box further comprises a connecting transverse plate, the connecting transverse plate is arranged between the two connecting side plates, and the connecting transverse plate and the two connecting side plates form the connecting cavity position.
As a further improvement of the scheme, two connecting transverse plates are arranged between the two connecting side plates.
As a further improvement of the scheme, the two connecting transverse plates are arranged in parallel.
As a further improvement of the scheme, the lower chord connecting plate and the two connecting side plates are both steel plates.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of steel wood roof truss bottom chord node, through set up the connecting box on the bottom chord of steel wood roof truss, set up on the connecting box and connect the chamber position, the lower extreme of the wood down tube of steel wood roof truss directly puts into this connection chamber position, then it is fixed through connecting bolt connection, can be connected wood down tube and connecting box, it is convenient to connect, the steadiness is high, traditional bottom chord node wooden cushion block has been abandoned, the connecting box can adopt the steel sheet to make, need not to use the iron to take off the nail connection, effectively solved wooden cushion block splitting and with wood down tube between be connected the problem that easily becomes flexible, it is more firm reliable at the node connection to make each structure member, and wood down tube lower extreme directly puts into and connects the inside connection of chamber position, can effectively reduce node scale, it is graceful pleasing to the eye.
Drawings
FIG. 1 is a schematic structural view of a prior art steel-wood roof truss;
FIG. 2 is a schematic structural diagram of a prior art lower chord node;
FIG. 3 is a schematic front view of a conventional lower chord node;
FIG. 4 is a schematic top view of a prior art lower chord node;
fig. 5 is a schematic structural view of a lower chord node of a steel-wood roof truss according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a junction box provided in an embodiment of the present invention;
fig. 7 is a schematic structural view of a lower chord node of a steel-wood roof truss according to an embodiment of the present invention;
fig. 8 is a schematic top view of a lower chord node of a steel-wood roof truss according to an embodiment of the present invention.
In the figure:
1. steel-wood roof trusses; 4. a wood block; 5. iron cramp nails; 11. a lower chord; 12. a wooden diagonal rod; 14. winding; 3. a connection box; 30. connecting the cavity site; 2. a connecting bolt; 13. round steel pull rods; 31. a lower chord connecting plate; 32. connecting the side plates; 33. connecting the transverse plates.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 8, the steel-wood roof truss 1 comprises an upper chord 14, a lower chord 11, a wood sway rod 12 and a round steel pull rod 13 which are connected between the upper chord 14 and the lower chord 11, the upper chord 14 and the wood sway rod 12 are made of wood, and the lower chord 11 and the round steel pull rod 13 are made of round steel, the lower chord node of the steel-wood roof truss provided by the embodiment comprises a connecting box 3 arranged on the lower chord 11 of the steel-wood roof truss 1, a connecting cavity 30 is arranged on the connecting box 3, the lower end of the wood sway rod 12 of the steel-wood roof truss 1 is connected in the connecting cavity 30 through a connecting bolt 2, the wood sway rod 12 is conveniently and quickly connected with the node, the stability is high, the traditional lower chord node wood cushion block is abandoned, an iron staple is not needed for connection, the problem that the wood cushion block is split and the connection between the wood sway rod is easy to loosen is effectively solved, the connection of each structural rod piece at the node is more stable and reliable, the hoisting construction is safer, and the collision is not, and the lower end of the wood diagonal rod 12 is directly placed into the connecting cavity 30 for connection, so that the node size can be effectively reduced, and the wood diagonal rod is light and beautiful.
Specifically, the connecting box 3 comprises a lower chord connecting plate 31 and two connecting side plates 32 welded and fixed above the lower chord connecting plate 31, the lower chord connecting plate 31 is arranged on the lower chord 11, a connecting cavity 30 is formed between the two connecting side plates 32, the connecting bolt 2 penetrates through the wood diagonal rod 12 and the connecting side plates 32 to connect the wood diagonal rod 12 with the connecting box 3, the structure is simple, and the wood diagonal rod 12 and the connecting box 3 are conveniently, stably and reliably connected.
Further, the bottom of the lower chord connecting plate 31 is welded to the lower chord 11.
Further, the two lower connecting side plates 32 are arranged in parallel to each other, so that the connection between the inclined wooden pole 12 and the connecting side plates 32 is stable.
In order to enhance the structural stability of the connecting box 3, further, the connecting box 3 further includes a connecting transverse plate 33, the connecting transverse plate 33 is disposed between the two connecting side plates 32, and the connecting transverse plate 33 is disposed perpendicular to both the connecting side plates 32 and the lower chord connecting plate 31. So set up, make the structure of connecting box 3 more firm, make and be connected more firm between wooden down tube 12 and the connecting box 3.
Furthermore, two connecting transverse plates 33 are arranged between the two connecting side plates 32, the two connecting transverse plates 33 are arranged in parallel, and a connecting cavity 30 is formed between the outer side of the connecting transverse plate 33 and the two connecting side plates 32. The lower chord node arranged in the middle of the lower chord 11 needs to be connected with the two diagonal rods 12 respectively, a connecting cavity 30 is formed between the outer side wall of one connecting transverse plate 33 and one side of the two connecting side plates 32, and a connecting cavity 30 is formed between the outer side wall of the other connecting transverse plate 33 and the other side of the two connecting side plates 32. The lower chord nodes arranged at both sides of the lower chord 11 are usually only connected with a wood sway rod 12, and only a connecting cavity position 30 is needed.
In order to facilitate the connection between the round steel pull rod 13 and the connection box 3, further, the lower end of the round steel pull rod 13 of the steel-wood roof truss 1 is provided with external threads, the lower end of the round steel pull rod 13 penetrates through the lower chord connection plate 31 and is connected with the lower chord connection plate 31 through a nut, and the nut is in threaded connection with the lower end of the round steel pull rod 13. The lower end of the round steel pull rod 13 is positioned between the two connecting transverse plates 33.
Furthermore, the lower chord connecting plate 31, the connecting side plates 32 and the connecting transverse plate 33 are all steel plates which are welded with each other to form the connecting box 3, and the connecting box is simple in structure, stable and reliable.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (10)
1. The utility model provides a steel wood roof truss lower chord node which characterized in that:
comprises a connecting box (3) arranged on a lower chord (11) of a steel-wood roof truss (1);
a connecting cavity (30) is arranged on the connecting box (3);
the lower end of a wood inclined rod (12) of the steel-wood roof truss (1) is connected into the connecting cavity (30) through a connecting bolt (2).
2. The steel-wood roof truss lower chord node according to claim 1, wherein:
the lower end of a round steel pull rod (13) of the steel-wood roof truss (1) is provided with external threads;
the lower end of the round steel pull rod (13) is connected with the connecting box (3) through a nut.
3. The steel-wood roof truss lower chord node according to claim 1, wherein:
the connecting box (3) comprises a lower chord connecting plate (31) and two connecting side plates (32) fixedly arranged above the lower chord connecting plate (31);
the lower chord connecting plate (31) is arranged on the lower chord (11);
the connecting cavity (30) is formed between the two connecting side plates (32);
the connecting bolt (2) penetrates through the inclined wood rod (12) and the two connecting side plates (32) to connect the inclined wood rod (12) with the connecting box (3).
4. A steel-wood roof truss lower chord node according to claim 3, wherein:
the two connecting side plates (32) are arranged in parallel.
5. A steel-wood roof truss lower chord node according to claim 3, wherein:
the bottom of the lower chord connecting plate (31) is welded with the lower chord (11).
6. A steel-wood roof truss lower chord node according to claim 3, wherein:
the lower end of a round steel pull rod (13) of the steel-wood roof truss (1) is provided with external threads;
the lower end of the round steel pull rod (13) penetrates through the lower chord connecting plate (31) and is connected with the lower chord connecting plate (31) through a nut.
7. A steel-wood roof truss lower chord node according to claim 3, wherein:
the connecting box (3) also comprises a connecting transverse plate (33);
the connecting transverse plate (33) is arranged between the two connecting side plates (32);
the connecting cavity (30) is formed between the connecting transverse plate (33) and the two connecting side plates (32).
8. The steel-wood roof truss lower chord node according to claim 7, wherein:
two connecting transverse plates (33) are arranged between the two connecting side plates (32).
9. The steel-wood roof truss lower chord node according to claim 8, wherein:
the two connecting transverse plates (33) are arranged in parallel.
10. A steel-wood roof truss lower chord node according to any one of claims 3 to 9, wherein:
the lower chord connecting plate (31) and the two connecting side plates (32) are both steel plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619929.7U CN210976326U (en) | 2019-09-25 | 2019-09-25 | Steel-wood roof truss lower chord node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921619929.7U CN210976326U (en) | 2019-09-25 | 2019-09-25 | Steel-wood roof truss lower chord node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210976326U true CN210976326U (en) | 2020-07-10 |
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ID=71455018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921619929.7U Expired - Fee Related CN210976326U (en) | 2019-09-25 | 2019-09-25 | Steel-wood roof truss lower chord node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210976326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482640A (en) * | 2020-12-03 | 2021-03-12 | 中国建筑股份有限公司 | Landscape house antique green brick roof system and construction method thereof |
-
2019
- 2019-09-25 CN CN201921619929.7U patent/CN210976326U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112482640A (en) * | 2020-12-03 | 2021-03-12 | 中国建筑股份有限公司 | Landscape house antique green brick roof system and construction method thereof |
| CN112482640B (en) * | 2020-12-03 | 2021-11-02 | 中国建筑股份有限公司 | Landscape house antique green brick roof system and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |