Steel structure truss node fixing structure

Abstract

The utility model relates to the technical field of steel structure trusses, and discloses a steel structure truss node fixing structure. The steel structure truss node fixing structure comprises a chord member, an inclined web member, a vertical web member, a first hoop and a second hoop, a third hoop matched with the first hoop and the chord member is hinged to one side of the first hoop, and a fastening bolt is in threaded connection with the side, away from the third hoop, of the first hoop. The side, away from the first hoop, of the third hoop is provided with a fastening threaded hole matched with the fastening bolt, and the device has the advantages that the web members and the chord members can be rapidly and fixedly connected, then the production rate is increased, the chord members and the web members which are not assembled can be transferred to a construction site to be rapidly assembled, and therefore transferring is convenient; the problems that in the prior art, the space of the side, with the small included angle between the diagonal web member and the chord member, of the diagonal web member is narrow, welding is not convenient, the truss production process is tedious, the production efficiency is greatly reduced, and the welded truss is large in size and not beneficial to transfer are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel structure truss technical field, concretely is a steel structure truss node fixed structure. BACKGROUND

[0002] Steel structure truss is a kind of building structure form, mainly by steel, usually by member through node connection composition.This structure is widely used in bridge, gymnasium, factory, roof etc.in engineering, because it has high strength, light weight, construction speed and material recyclable and so on.The design of truss is usually based on structural engineering principle, ensure that under the action of load can effectively transmit force.Its basic component includes upper chord, lower chord and web, upper chord and lower chord are located at the top and bottom of truss, and web is perpendicular to the two, they jointly form triangular structure, to enhance stability.

[0003] In prior art, chord and web are fixedly connected to one by welding, to ensure enough structural strength, two ends of web need to be polished and grooved before welding, then better adhere to chord, reasonable weld shape and size need to be designed in the welding process, to avoid stress concentration and fatigue crack, anticorrosive paint needs to be coated at welding position after welding, and the space of one side of oblique web and chord is relatively narrow, inconvenient for welding, the process of producing truss is very complicated, greatly reduces production efficiency, and welded truss is large in size, not conducive to transfer, so a steel structure truss node fixed structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a steel structure truss node fixed structure, has the advantages of fast fixed connection of web and chord, then improves production rate, and can transfer unassembled chord and web to construction site for quick assembly, to facilitate transfer, solves the problems of prior art, chord and web are fixedly connected to one by welding, to ensure enough structural strength, two ends of web need to be polished and grooved before welding, then better adhere to chord, reasonable weld shape and size need to be designed in the welding process, to avoid stress concentration and fatigue crack, anticorrosive paint needs to be coated at welding position after welding, and the space of one side of oblique web and chord is relatively narrow, inconvenient for welding, the process of producing truss is very complicated, greatly reduces production efficiency, and welded truss is large in size, not conducive to transfer.

[0005] The technical scheme for solving the above technical problems of the utility model is as follows:

[0006] A steel structure truss joint fixing structure, including chord, inclined web member, vertical web member, first hoop and second hoop, one side of the first hoop is hinged with the third hoop matched with the first hoop and matched with the chord, the side away from the third hoop of the first hoop is threadedly connected with the fastening bolt, the side away from the first hoop of the third hoop is provided with the fastening screw hole matched with the fastening bolt, the outside of the first hoop and the third hoop is provided with the assembly component, the assembly components of the outside of the first hoop and the third hoop are 90 degrees when the first hoop and the third hoop are closed, and the assembly components of the outside of the first hoop and the third hoop are matched with the vertical web member;

[0007] One side of the second hoop is hinged with the fourth hoop matched with the second hoop and matched with the chord, the side away from the fourth hoop of the fourth hoop is threadedly connected with the fastening bolt, the side away from the fourth hoop of the second hoop is provided with the assembly component with the included angle of 90 degrees, and the assembly component of the outside of the second hoop is matched with the inclined web member.

[0008] The steel structure truss joint fixing structure has the advantages that the first hoop is sleeved on the outside of the chord and closely attached to the outside of the chord, the third hoop rotates around the hinge between the first hoop and the third hoop, then the third hoop is closely attached to the outside of the chord, the fastening bolt is aligned with the fastening screw hole, the fastening bolt is made to enter the fastening screw hole by rotating the fastening bolt, until the first hoop and the third hoop are tightly clamped on the outside of the chord, the vertical web member and the chord can be fixedly connected through the assembly component, the second hoop and the fourth hoop are fixed on the outside of the chord, the inclined web member and the chord are fixedly connected through the assembly component, the web member and the chord can be quickly fixedly connected, the production rate is improved, the chord and the web member that have not been assembled can be transported to the construction site for quick assembly, and the advantages of convenient transportation are achieved.

[0009] On the basis of the above technical scheme, the utility model still can make improvement as follows.

[0010] Further, the assembly component includes a tubular placement groove, a circular-arc pressing piece, a fixing bolt and a fixing screw hole, one side of the tubular placement groove is hinged with the circular-arc pressing piece matched with the tubular placement groove, the side away from the tubular placement groove of the circular-arc pressing piece is threadedly connected with the fixing bolt, and the side away from the circular-arc pressing piece of the tubular placement groove is provided with the fixing screw hole matched with the fixing bolt.

[0011] Further, the outside of the first hoop and the third hoop is fixedly connected with the tubular placement groove, the tubular placement grooves of the outside of the first hoop and the third hoop are 90 degrees when the first hoop and the third hoop are closed, and the tubular placement grooves of the outside of the first hoop and the third hoop are matched with the vertical web member.

[0012] Further, the second hoop is provided with a tubular placement groove with an included angle of 90° away from one side of the fourth hoop, and the tubular placement groove on the outer side of the second hoop is matched with the inclined web member.

[0013] The beneficial effect of the further scheme is that the inclined web member or the vertical web member is placed in the corresponding tubular placement groove, the circular-arc-shaped pressing piece is turned around the hinged part of the circular-arc-shaped pressing piece and the tubular placement groove until the circular-arc-shaped pressing piece is attached to the inclined web member or the vertical web member, and the fixing bolt is aligned with the fixing threaded hole, so that the inclined web member or the vertical web member is clamped between the circular-arc-shaped pressing piece and the tubular placement groove by turning the fixing bolt, and the inclined web member or the vertical web member is fixedly connected with the chord member. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the prior art truss structure.

[0015] Figure 2 It is a schematic diagram of the structure of the utility model.

[0016] Figure 3 It is a left view of the chord member structure of the utility model.

[0017] Figure 4 It is an unfolded schematic diagram of the second hoop and the fourth hoop of the utility model.

[0018] Figure 5 It is an unfolded schematic diagram of the first hoop and the third hoop of the utility model.

[0019] Figure 6 It is an enlarged schematic diagram of the structure at a of the utility model.

[0020] Figure 7 It is an enlarged schematic diagram of the structure at b of the utility model.

[0021] In the figure: 1, chord member; 2, inclined web member; 3, vertical web member; 4, first hoop; 5, second hoop; 6, third hoop; 7, fastening bolt; 8, fastening threaded hole; 9, assembly component; 901, tubular placement groove; 902, circular-arc-shaped pressing piece; 903, fixing bolt; 904, fixing threaded hole; 10, fourth hoop. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In the embodiments,Figures 1-7 The utility model provides a steel structure truss joint fixed structure, the utility model discloses chord 1, inclined web member 2, vertical web member 3, first hoop 4 and second hoop 5, one side of first hoop 4 is hinged with the third hoop 6 who is adapted with it and is adapted with chord 1, the side of first hoop 4 away from third hoop 6 is connected with fastening bolt 7, the side of third hoop 6 away from first hoop 4 is equipped with the fastening screw hole 8 who is adapted with fastening bolt 7, the outside of first hoop 4 and third hoop 6 is equipped with assembly unit 9, the assembly unit 9 of outside of first hoop 4 and third hoop 6 is 90 when it closes degree, the assembly unit 9 of outside of first hoop 4 and third hoop 6 is adapted with vertical web member 3,

[0024] One side of second hoop 5 is hinged with the fourth hoop 10 who is adapted with it and is adapted with chord 1, the side of fourth hoop 10 away from second hoop 5 is connected with fastening bolt 7, the side of second hoop 5 away from fourth hoop 10 is equipped with the fastening screw hole 8 who is adapted with fastening bolt 7, the side of second hoop 5 away from fourth hoop 10 is equipped with the assembly unit 9 of 90 degree angle, the assembly unit 9 of outside of second hoop 5 is adapted with inclined web member 2,

[0025] Assembly unit 9 includes tubular placement groove 901, circular arc pressing piece 902, fixed bolt 903 and fixed screw hole 904, one side of tubular placement groove 901 is hinged with the circular arc pressing piece 902 who is adapted with it, the side of circular arc pressing piece 902 away from tubular placement groove 901 is connected with fixed bolt 903, the side of tubular placement groove 901 away from circular arc pressing piece 902 is equipped with the fixed screw hole 904 who is adapted with fixed bolt 903,

[0026] The outside of first hoop 4 and third hoop 6 is fixedly connected with tubular placement groove 901, the tubular placement groove 901 of outside of first hoop 4 and third hoop 6 is 90 when it closes degree, the tubular placement groove 901 of outside of first hoop 4 and third hoop 6 is adapted with vertical web member 3,

[0027] The side of second hoop 5 away from fourth hoop 10 is equipped with the tubular placement groove 901 of 90 degree angle, the tubular placement groove 901 of outside of second hoop 5 is adapted with inclined web member 2,

[0028] Place the inclined web member 2 or vertical web member 3 in the corresponding tubular placement slot 901, turn over the circular arc-shaped pressing piece 902, make the circular arc-shaped pressing piece 902 rotate around the hinge with the tubular placement slot 901, until the circular arc-shaped pressing piece 902 is in close contact with the inclined web member 2 or vertical web member 3, and the fixing bolt 903 is aligned with the fixing threaded hole 904, so as to rotate the fixing bolt 903, clamp the inclined web member 2 or vertical web member 3 between the circular arc-shaped pressing piece 902 and the tubular placement slot 901, and then the inclined web member 2 or vertical web member 3 is fixedly connected with the chord member 1.

[0029] Working principle:

[0030] First step: wrap the first hoop 4 around the outside of the chord member 1 and make it closely contact with the outside of the chord member 1, make the third hoop 6 rotate around the hinge with the first hoop 4, then make the third hoop 6 closely contact with the outside of the chord member 1, and the fastening bolt 7 is aligned with the fastening threaded hole 8, rotate the fastening bolt 7 to make the fastening bolt 7 enter the fastening threaded hole 8, until the first hoop 4 and the third hoop 6 are clamped tightly on the outside of the chord member 1.

[0031] Second step: wrap the second hoop 5 around the outside of the chord member 1 and make it closely contact with the outside of the chord member 1, make the fourth hoop 10 rotate around the hinge with the second hoop 5, then make the fourth hoop 10 closely contact with the outside of the chord member 1, and the fastening bolt 7 is aligned with the fastening threaded hole 8, rotate the fastening bolt 7 to make the fastening bolt 7 enter the fastening threaded hole 8, until the second hoop 5 and the fourth hoop 10 are clamped tightly on the outside of the chord member 1.

[0032] Third step: place the inclined web member 2 or vertical web member 3 in the corresponding tubular placement slot 901, turn over the circular arc-shaped pressing piece 902, make the circular arc-shaped pressing piece 902 rotate around the hinge with the tubular placement slot 901, until the circular arc-shaped pressing piece 902 is in close contact with the inclined web member 2 or vertical web member 3, and the fixing bolt 903 is aligned with the fixing threaded hole 904, so as to rotate the fixing bolt 903, clamp the inclined web member 2 or vertical web member 3 between the circular arc-shaped pressing piece 902 and the tubular placement slot 901, and then the inclined web member 2 or vertical web member 3 is fixedly connected with the chord member 1.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A steel structural truss joint fixing structure comprising a chord (1), a diagonal web member (2), a vertical web member (3), a first hoop (4) and a second hoop (5), characterized in that: The side of the first hoop (4) is hinged with a third hoop (6) matched with the first hoop (4) and matched with the chord (1), the side of the first hoop (4) away from the third hoop (6) is threadedly connected with a fastening bolt (7), the side of the third hoop (6) away from the first hoop (4) is provided with a fastening threaded hole (8) matched with the fastening bolt (7), the outer sides of the first hoop (4) and the third hoop (6) are provided with assembly components (9), the assembly components (9) on the outer sides of the first hoop (4) and the third hoop (6) are at an angle of 90° when the first hoop (4) and the third hoop (6) are closed, and the assembly components (9) on the outer sides of the first hoop (4) and the third hoop (6) are matched with the vertical web member (3). The side of the second hoop (5) is hinged with a fourth hoop (10) matched with the second hoop (5) and matched with the chord (1), the side of the fourth hoop (10) away from the second hoop (5) is threadedly connected with a fastening bolt (7), the side of the second hoop (5) away from the fourth hoop (10) is provided with a fastening threaded hole (8) matched with the fastening bolt (7), the side of the second hoop (5) away from the fourth hoop (10) is provided with assembly components (9) at an angle of 90°, and the assembly components (9) on the outer side of the second hoop (5) are matched with the inclined web member (2).

2. A steel structural truss joint fixing structure according to claim 1, characterized in that: The assembly component (9) comprises a tubular placement groove (901), a circular-arc pressing piece (902), a fixing bolt (903) and a fixing threaded hole (904), the side of the tubular placement groove (901) is hinged with a circular-arc pressing piece (902) matched with the tubular placement groove (901), the side of the circular-arc pressing piece (902) away from the tubular placement groove (901) is threadedly connected with a fixing bolt (903), and the side of the tubular placement groove (901) away from the circular-arc pressing piece (902) is provided with a fixing threaded hole (904) matched with the fixing bolt (903).

3. A steel structural truss joint fixing structure according to claim 2, characterized in that: The outer sides of the first hoop (4) and the third hoop (6) are fixedly connected with tubular placement grooves (901), the tubular placement grooves (901) on the outer sides of the first hoop (4) and the third hoop (6) are at an angle of 90° when the first hoop (4) and the third hoop (6) are closed, and the tubular placement grooves (901) on the outer sides of the first hoop (4) and the third hoop (6) are matched with the vertical web member (3).

4. The steel structural truss joint fixing structure according to claim 2, characterized in that: The side of the second hoop (5) away from the fourth hoop (10) is provided with tubular placement grooves (901) at an angle of 90°, and the tubular placement grooves (901) on the outer side of the second hoop (5) are matched with the inclined web member (2).

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