CN211143494U

CN211143494U - Fenk formula roof truss of steel wood combination based on nodal connection

Info

Publication number: CN211143494U
Application number: CN201921984305.5U
Authority: CN
Inventors: 陈浩; 张明亮; 王其良; 王江营; 刘维
Original assignee: Hunan Provincial Construction Technology Research Institute; Hunan Construction Engineering Group Co Ltd
Current assignee: Hunan Provincial Construction Technology Research Institute; Hunan Construction Engineering Group Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-31
Anticipated expiration: 2029-11-15

Abstract

The utility model provides a fragrant formula roof truss of steel-wood combination based on nodal connection, including the roof truss body, the roof truss body includes the top node, the upper chord, long diagonal web member, short diagonal web member, the upper chord node, capital roof truss node, lower chord node, the lower chord, the roof truss body is arranged on the stand of both sides, the top node is located the top of roof truss body, the both ends of upper chord insert respectively in top node and capital roof truss node, the upper chord passes from the inside of upper chord node, the both ends of long diagonal web member insert respectively in top node and the lower chord node, the both ends of short diagonal web member insert respectively in upper chord node and the lower chord node, the both ends of lower chord insert respectively in the capital roof truss node of both sides, the lower chord passes from the inside of lower chord node. The utility model discloses the construction is convenient, and the quality is reliable, and the cost of manufacture is low.

Description

Fenk formula roof truss of steel wood combination based on nodal connection

Technical Field

The utility model relates to a fragrant formula roof truss of steel-wood combination, concretely relates to assemble the fragrant formula roof truss of steel-wood combination who forms through the nodal connection.

Background

The joints of the existing wooden Fenke-type roof truss are mostly connected by mortise and tenon, tooth, nail or glue, so that the requirement on the connection process is very high, the processing and manufacturing are complex, and the quality is difficult to ensure; the steel Fenk roof truss has high cost, and is easy to be unstable or buckled and damaged when the sectional area of the component is small. The Fenk formula roof truss of current steel wood combination realizes the component connection through the steel bolt after punching on timber, not only can weaken timber self bearing capacity, needs regularly to fasten the bolt moreover, increases the maintenance cost, still can influence building pleasing to the eye and whole harmony.

Disclosure of Invention

The utility model aims to solve the technical problem that, overcome prior art not enough, provide one kind can improve the roof truss atress and bear the weight of the characteristic, improve the site operation convenience, reduce the cost of manufacture's the fragrant formula roof truss of steel-wood combination based on nodal connection.

The technical proposal adopted by the utility model for solving the technical problems is that a steel-wood combined Fenker type roof truss based on node connection comprises a roof truss body, the roof truss body comprises a top node, an upper chord, a long diagonal web member, a short diagonal web member, an upper chord node, a column top roof truss node, a lower chord node and a lower chord, the roof truss body is arranged on the upright posts at two sides, the top node is positioned at the top of the roof truss body, the two ends of the upper chord are respectively inserted into the top node and the post top roof truss node, the upper chord penetrates through the inner part of the upper chord node, the two ends of the long diagonal web members are respectively inserted into the top chord member node and the lower chord member node, the two ends of the short diagonal web members are respectively inserted into the upper chord member node and the lower chord member node, and two ends of the lower chord are respectively inserted into the column top roof truss nodes on two sides, and the lower chord penetrates through the lower chord nodes.

Further, the roof truss body is of a bilaterally symmetrical structure, and the components on the two sides are the same.

Furthermore, the number of the internodes on the lower chord is more than or equal to 3, and the length of each internode is 2-4 m.

Furthermore, the closed area formed between the rods of the roof truss body is of a triangular structure

Further, the upper chord member, the long diagonal web members, the short diagonal web members and the lower chord member are made of raw wood or laminated wood.

Furthermore, the cross sections of the upper chord, the long diagonal web members, the short diagonal web members and the lower chord are rectangular or circular.

Further, the top node, the upper chord node, the lower chord node and the column roof truss node are made of steel plates or alloy materials.

Further, the upright post is made of one of raw wood, laminated wood, reinforced concrete and section steel.

The utility model discloses on the basis that does not change fragrant formula roof truss structural style, full play wood system component green, advantage with low costs, workable, that the sectional area is big, but steel node atress performance is good, the advantage of mass, standardized production gets the strong point each other through the two, and the composition of fragrant formula roof truss can be accomplished with wood system component disect insertion steel node to the scene, and the construction is convenient, and the quality is reliable, and the cost of manufacture is low.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the top node in the embodiment shown in FIG. 1;

FIG. 3 is a schematic structural diagram of an upper chord node in the embodiment of FIG. 1;

FIG. 4 is a schematic structural view of a post-roof truss joint of the embodiment of FIG. 1;

FIG. 5 is a schematic structural diagram of a lower chord node in the embodiment of FIG. 1.

In the figure: 1. the roof comprises a top node, 2 parts of an upper chord, 3 parts of a long oblique web member, 4 parts of a short oblique web member, 5 parts of an upper chord node, 6 parts of a post-top roof truss node, 7 parts of a lower chord node, 8 parts of a lower chord and 9 parts of a stand column.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

Referring to fig. 1-5, this embodiment includes a roof truss body, where the roof truss body includes a top node 1, an upper chord 2, a long diagonal web member 3, a short diagonal web member 4, an upper chord node 5, a post-top roof truss node 6, a lower chord node 7, and a lower chord 8, where the roof truss body is arranged on the pillars 9 on both sides through the lower chord 8, the top node 1 is located at the top of the roof truss, two ends of the upper chord 2 are respectively inserted into the top node 1 and the post-top roof truss node 6, the upper chord 2 passes through the inside of the upper chord node 5, two ends of the long diagonal web member 3 are respectively inserted into the top node 1 and the lower chord node 7, two ends of the short diagonal web member 4 are respectively inserted into the upper chord node 5 and the lower chord node 7, two ends of the lower chord 8 are respectively inserted into the post-top roof truss nodes 6 on both sides, and the lower chord 8 passes through the inside of the lower chord node 7.

This embodiment includes 2

upper chords

2, 2 long

diagonal web members

3, 2 short

diagonal web members

4, 1 lower chord 8. The roof truss body can rationally adjust internode quantity according to the span to satisfy design and operation requirement. The number of internodes (two adjacent nodes form a internode) on the lower chord 8 is 3, and the length of each internode is 3 m. .

The roof truss body is of a bilateral symmetry structure, and the components on the two sides are the same.

The closed area formed between the rods of the roof truss body is of a triangular structure.

The upper chord 2, the long diagonal web members 3, the short diagonal web members 4 and the lower chord 8 of the roof truss body are all made of log.

The cross sections of the upper chord 2, the long diagonal web members 3, the short diagonal web members 4 and the lower chord 8 of the roof truss body are rectangular.

The top node 1, the upper chord node 5, the lower chord node 7 and the column roof truss node 6 are made of steel plates.

The upright post 9 is made of laminated wood, and the cross section of the upright post 9 is rectangular.

Example 2

The present example differs from example 1 only in that: the upper chord, the long diagonal web member, the short diagonal web member and the lower chord of the roof truss body are made of laminated wood; the cross sections of the upper chord, the long diagonal web member, the short diagonal web member and the lower chord of the roof truss body are circular; the top node, the upper chord node, the lower chord node and the post-top roof truss node are made of alloy materials; the upright posts are made of reinforced concrete; the cross section of the upright post is circular. The same as in example 1.

The utility model has the advantages that:

1. on the basis of not changing the structural form of the Fenker type roof truss, the advantages of environmental protection, low cost, easy processing, large sectional area and the like of the wooden member are fully exerted, and the advantages of good stress performance of the steel node, mass production, standardized production and the like are achieved, and the advantages of mutual reinforcement and deficiency are achieved.

2. The composition of fragrant formula roof truss can be accomplished to on-spot wood system component disect insertion steel node, and not only the construction is convenient, and the quality is more controllable, and the cost of manufacture is not high simultaneously.

Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present invention, provided they are within the scope of the claims and their equivalents.

What is not described in detail in the specification is prior art that is well known to those skilled in the art.

Claims

1. The utility model provides a fragrant formula roof truss of steel wood combination based on nodal connection, includes the roof truss body, its characterized in that: the roof truss comprises a roof truss body and is characterized in that the roof truss body comprises top nodes, upper chords, long diagonal web members, short diagonal web members, upper chord member nodes, post-top roof truss nodes, lower chord member nodes and lower chord members, the roof truss body is arranged on columns on two sides, the top nodes are located at the top of the roof truss body, two ends of the upper chords are respectively inserted into the top nodes and the post-top roof truss nodes, the upper chords penetrate through the upper chord member nodes, two ends of the long diagonal web members are respectively inserted into the top nodes and the lower chord member nodes, two ends of the short diagonal web members are respectively inserted into the upper chord member nodes and the lower chord member nodes, two ends of the lower chord members are respectively inserted into the post-top roof truss nodes on two sides, and the lower chord members penetrate through the lower chord member nodes.

2. The steel-wood combined Fenck roof truss according to claim 1, wherein: the roof truss body is of a bilaterally symmetrical structure, and the components on the two sides are the same.

3. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the number of the internodes on the lower chord is more than or equal to 3, and the length of each internode is 2-4 m.

4. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the closed area formed by the rods of the roof truss body is of a triangular structure.

5. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the upper chord member, the long diagonal web members, the short diagonal web members and the lower chord member are made of log or glued wood.

6. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the cross sections of the upper chord, the long diagonal web members, the short diagonal web members and the lower chord are rectangular or circular.

7. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the top node, the upper chord node, the lower chord node and the column top roof truss node are made of steel plates or alloy materials.

8. A steel-wood composite fenk-type roof truss according to claim 1 or 2, wherein: the upright post is made of one of log, laminated wood, reinforced concrete and section steel.