Triangular steel bar truss buckling connection structure

Abstract

The utility model discloses a triangular steel bar truss buckling connection structure which comprises a first steel bar truss and a second steel bar truss, the two ends of the first steel bar truss and the two ends of the second steel bar truss are opposite, a connecting steel bar truss is arranged between the first steel bar truss and the second steel bar truss, and the two ends of the connecting steel bar truss are connected with the first steel bar truss and the second steel bar truss in a buckling mode respectively. Wherein the two ends of the connecting steel bar truss are buckled above the first steel bar truss and the second steel bar truss correspondingly, and the upper chord rib and the lower chord rib at the two ends of the connecting steel bar truss are in lap joint with the upper chord rib and the lower chord rib of the first steel bar truss and the second steel bar truss by a preset length correspondingly. According to the utility model, the additional connecting steel bar truss is erected between the steel bar trusses on the two sides to form a mutually buckled structure, so that the lap joint length can be reduced, and the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building structure technical field especially relates to a triangular steel bar truss buckling connection structure. BACKGROUND

[0002] In prior art, triangular steel bar truss is a kind of building industrialization product, and it is formed by intelligent mechanical equipment once processing, is widely used in construction engineering field, especially prefabricated component of assembly type building, and the connecting mode between the on-site steel bar truss adopts the mode of traditional single steel bar lap joint, and each steel bar truss has one upper chord and two lower chords, so that the connection between each steel bar truss will lap three times, and the construction efficiency is very slow.Especially, a batch of prefabricated floor slabs of bidirectional steel bar truss appear at present, and the lap joint times are more due to the small width of the plate side direction, and the traditional lap joint mode of single steel bar lap joint needs long lap joint length, which can cause serious steel waste. CONTENT OF UTILITY MODEL

[0003] In view of the above technical problems of prior art, the utility model solves the problems of low construction efficiency, heavy workload and serious steel waste of the connecting mode of existing triangular steel bar truss.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A triangular steel bar truss buckling connection structure, comprising first steel bar truss and second steel bar truss opposite at two ends, connecting steel bar truss is arranged between the first steel bar truss and the second steel bar truss, and the two ends of the connecting steel bar truss are buckled and connected with the first steel bar truss and the second steel bar truss respectively;Wherein, the two ends of the connecting steel bar truss are buckled above the first steel bar truss and the second steel bar truss, and the upper chord and the lower chord at the two ends of the connecting steel bar truss are respectively lap jointed with the upper chord and the lower chord of the first steel bar truss and the second steel bar truss with a preset length.

[0006] As optimization, the web bar of the connecting steel bar truss is the same wave shape as the web bar of the first steel bar truss and the second steel bar truss, and the web bar of the connecting steel bar truss is parallel to the web bar of the first steel bar truss and the second steel bar truss.

[0007] As optimization, top through steel bars and / or bottom through steel bars perpendicular to the length direction of the connecting steel bar truss are further arranged in the range of buckling connection of the connecting steel bar truss with the first steel bar truss and the second steel bar truss.

[0008] As optimization, the upper chord and the lower chord of the connecting steel bar truss correspond to the upper chord and the lower chord of the first steel bar truss and the second steel bar truss above, and the top penetrating steel bar and the bottom penetrating steel bar are located between the upper chord of the first steel bar truss, the second steel bar truss and the lower chord of the connecting steel bar truss.

[0009] Compared with the prior art, the present application has the following beneficial effects:

[0010] The utility model discloses,

[0011] 1. By adopting the integral connecting steel bar truss, the number of steel bar lap joints is reduced, and each steel bar truss only needs to be lap jointed once, and the lap joint efficiency is improved by two times.

[0012] 2. The lap joint length is reduced, and compared with the single steel bar lap joint mode, the lap joint length can be reduced by more than half, and the total lap joint steel bar consumption is also reduced. DRAWINGS

[0013] Fig. 1 It is the schematic view of the buckling connection structure of the utility model,

[0014] Fig. 2 It is the connection schematic view of the utility model when the floor is spliced,

[0015] Fig. 3 It is the connection schematic view of the utility model at the beam joint,

[0016] In the drawing, 1 is a first steel bar truss, 2 is a second steel bar truss, 3 is a connecting steel bar truss, 4 is a top penetrating steel bar, and 5 is a bottom penetrating steel bar. DETAILED DESCRIPTION

[0017] The utility model will be further explained in detail in combination with the drawings.

[0018] When being implemented specifically:

[0019] Embodiment, see Figs. 1-3 In order to solve the problems in the prior art, the utility model provides a triangular steel bar truss buckling connection structure, which comprises a first steel bar truss 1 and a second steel bar truss 2 opposite at two ends, and a connecting steel bar truss 3 is arranged between the first steel bar truss 1 and the second steel bar truss 2, and the two ends of the connecting steel bar truss 3 are connected with the first steel bar truss 1 and the second steel bar truss 2 in buckling connection.

[0020] The section shape of the connecting steel bar truss 3, i.e., the distribution of the top chord and the bottom chord, is basically consistent with the first steel bar truss 1 and the second steel bar truss 2, so that the connecting steel bar truss 3 can be connected with the first steel bar truss 1 and the second steel bar truss 2 in a relatively matched manner. Specifically, the two ends of the connecting steel bar truss 3 are connected above the first steel bar truss 1 and the second steel bar truss 2, and the top chord and the bottom chord at the two ends of the connecting steel bar truss 3 are overlapped with the top chord and the bottom chord of the first steel bar truss 1 and the second steel bar truss 2 by a preset length, so that the top chord and the bottom chord of the connecting steel bar truss 3 are located above the top chord and the bottom chord of the first steel bar truss 1 and the second steel bar truss 2.

[0021] More specifically, the web bar of the connecting steel bar truss 3 is in a wave shape same as the web bar of the first steel bar truss 1 and the second steel bar truss 2, and the web bar of the connecting steel bar truss 3 is parallel to the web bar of the first steel bar truss 1 and the second steel bar truss 2, i.e., the trend of the web bar is consistent, so as to ensure the consistency of the stress characteristics of the connected steel bar truss, thereby improving the connection stability.

[0022] In order to improve the strength of the connection part, a top penetrating bar 4 and / or a bottom penetrating bar 5 perpendicular to the length direction of the connecting steel bar truss 3 is arranged in the range where the connecting steel bar truss 3 is connected with the first steel bar truss 1 and the second steel bar truss 2. The top penetrating bar 4 and the bottom penetrating bar 5 are located between the top chord of the first steel bar truss 1 and the second steel bar truss 2 and the bottom chord of the connecting steel bar truss 3. Specifically, the top penetrating bar 4 and the bottom penetrating bar 5 can be separately added, or can be used as the stress steel bars required by the structure itself.

[0023] During construction,

[0024] For the one-way steel bar truss floor, the steel bar truss floor can be connected by the steel bar buckling connection at the steel beam support, and the steel bar trusses of the floor plates on both sides of the steel beam are connected by the additional connecting steel bar trusses 3, and the stress steel bars of the floor plates in the direction of the steel beam serve as the penetrating steel bars at the connection part.

[0025] For the two-way steel bar truss floor, the main truss direction is the room span direction, and the main truss can be arranged along the length, and the length of the secondary truss is the width of the floor plate. The floor plates are spliced, and the secondary trusses need to be connected, which can be connected by the steel bar buckling connection, and the secondary steel bar trusses of the floor plates on both sides are connected by the additional connecting steel bar trusses 3, and the stress steel bars of the floor plates in the direction of the main truss at the splicing part serve as the penetrating steel bars at the connection part.

[0026] In summary, the utility model,

[0027] 1. By adopting the integral connecting steel bar truss, the number of steel bar overlaps is reduced, and each steel bar truss only needs to be overlapped once, and the overlapping efficiency is improved by two times.

[0028] 2. Reduce the lap length. Compared with the single rebar lap method, the lap length can be reduced by more than half, and the overall amount of lapped rebar used is also reduced.

[0029] Although embodiments of the present invention have been shown and described, those skilled in the art can make various changes, modifications, substitutions and alterations to these embodiments without departing from the principles and basis of the present invention. The scope of the present invention is defined by the appended claims and their equivalents. Therefore, the embodiments of the present invention are merely illustrative examples and do not constitute a limitation on the present invention in any way.

Claims

1. A triangular steel bar truss snap-fit connection structure comprising a first steel bar truss and a second steel bar truss which are opposite to each other at both ends, characterized in that, A connecting steel bar truss is arranged between the first steel bar truss and the second steel bar truss, and two ends of the connecting steel bar truss are respectively buckled and connected with the first steel bar truss and the second steel bar truss; wherein the two ends of the connecting steel bar truss are respectively buckled above the first steel bar truss and the second steel bar truss, and the top chord and the bottom chord at the two ends of the connecting steel bar truss are respectively overlapped with the top chord and the bottom chord of the first steel bar truss and the second steel bar truss by a preset length.

2. The triangular steel bar truss snap-fit connection structure according to claim 1, characterized in that, The web bar of the connecting steel bar truss is in a same wave shape as the web bar of the first steel bar truss and the second steel bar truss, and the web bar of the connecting steel bar truss is parallel to the web bar of the first steel bar truss and the second steel bar truss.

3. The triangular steel bar truss snap tie connection structure according to claim 1, characterized in that, A top penetrating bar and / or a bottom penetrating bar perpendicular to the length direction of the connecting steel bar truss is further arranged in the range where the connecting steel bar truss is buckled and connected with the first steel bar truss and the second steel bar truss.

4. The triangular steel bar truss snap tie connection structure according to claim 3, characterized by The top chord and the bottom chord of the connecting steel bar truss are respectively above the top chord and the bottom chord of the first steel bar truss and the second steel bar truss, and the top penetrating bar and the bottom penetrating bar are between the top chord of the first steel bar truss and the second steel bar truss and the bottom chord of the connecting steel bar truss.

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