CN217352897U

CN217352897U - Prestressed steel truss stay cable steering node structure

Info

Publication number: CN217352897U
Application number: CN202220915458.XU
Authority: CN
Inventors: 李功文; 景文俊; 毋志晓
Original assignee: Central South Architectural Design Institute Co Ltd
Current assignee: Central South Architectural Design Institute Co Ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-09-02
Anticipated expiration: 2032-04-18

Abstract

The utility model provides a prestressing force steel truss cable turns to node structure, including erecting web member, oblique web member, connecting plate, lower chord, steel wire cable and turning round return bend, the connecting plate is installed along the lower chord axial, erects web member and oblique web member all with connecting plate fixed connection, is equipped with the cable via hole on the last flange of lower chord, turns to round return bend and is fixed in on the lower chord, and is corresponding with the cable via hole, the steel wire cable passes the cable via hole in proper order and turns to round return bend and stretch-draw and turn to, the utility model discloses turning round is hidden inside the truss, does not occupy the building space, does not influence the architectural effect, is applicable to the truss that has many cables, and the cable turns to gently, reduces stress concentration.

Description

Prestressed steel truss stay cable steering node structure

Technical Field

The application relates to the technical field of building structure members, in particular to a prestressed steel truss cable steering node structure.

Background

With the development of economy and society in China, building functions are more and more complex, and high building space needs to be built to meet the requirements of mass gatherings, the large-scale literature and sports performances, the large-scale various expositions and the like, so that the large-span structure is more and more widely applied. The steel truss structure is one of the common structural forms of a large-span structure, but due to the use requirement of a building space, the height of the steel truss is limited, and the situation that the bearing capacity and the rigidity do not meet the requirement often occurs, so that the application of prestress to the steel truss becomes a common technical means. The common prestressed steel truss stay cable steering node is exposed out of the lower part of the truss, is not suitable for a plurality of stay cables and influences the use space of a building.

Disclosure of Invention

The utility model aims to solve the technical problem that to the problem that above-mentioned exists, a prestressing force steel truss cable turns to node structure is provided, is applicable to many cables and conceals inside the truss.

The embodiment of the application is realized as follows:

the embodiment of the application provides a prestressing force steel truss cable turns to node structure, its characterized in that, including erecting web member, oblique web member, connecting plate, lower chord member, steel wire cable and turning round bent pipe, the connecting plate is followed the lower chord member axial is installed, erect web member and oblique web member all with connecting plate fixed connection, be equipped with the cable via hole on the last flange of lower chord member, turn to on round bent pipe is fixed in lower chord member, with the cable via hole is corresponding, the steel wire cable passes the cable via hole in proper order and turns to round bent pipe stretch-draw and turn to.

In some optional embodiments, a stiffened plate is arranged on the lower chord member, and two ends of the steering round bent pipe penetrate through the stiffened plate and are connected with the stiffened plate in a welding manner.

In some optional embodiments, a thickened plate is arranged on the upper flange of the lower chord at the position of the stay cable through hole.

In some optional embodiments, the thickened plate is connected with the upper flanges of the two side lower chords by groove welding.

In some optional embodiments, the turning round bent pipe and the stiffened plate are connected by a fillet weld.

In some optional embodiments, the stiffened plate in the lower chord corresponds to the flange of the vertical web member in position and has the same thickness.

In some optional embodiments, the cable through holes and the steering round elbows are arranged in multiple groups and evenly spaced along the radial direction of the lower chord.

The beneficial effect of this application is: according to the prestressed steel truss stay cable steering node structure, the steering node is hidden inside a truss, so that the building space is not occupied, and the building effect is not influenced; the steering round bent pipes are arranged side by side and are suitable for trusses of a plurality of inhaul cables; the cable turns gently, reduces stress concentration.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a view A-A of FIG. 1;

FIG. 3 is a view of B-B of FIG. 2;

fig. 4 is a view of C-C of fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The features and properties of the present application are described in further detail below with reference to examples.

The utility model provides a prestressing force steel truss cable turns to node structure, including erecting web member 1, oblique web member 2, connecting plate 3, lower chord 4, steel wire cable 5 and turning round elbow 6, the connecting plate is installed along the lower chord axial, erect web member and oblique web member all with connecting plate fixed connection, be equipped with cable via hole 8 on the last flange 7 of lower chord, turn round elbow be fixed in on the lower chord, it is corresponding with the cable via hole, the steel wire cable passes cable via hole and turns to round elbow in proper order and stretch-draw turns to.

The size of the stay cable via hole is determined according to the diameter and the trend lofting of the steel wire stay cable.

The lower chord is provided with a stiffened plate 9, two ends of the steering round bent pipe penetrate through the stiffened plate and are welded with the stiffened plate, and the welding mode is fillet weld welding.

And a thickened plate 10 is arranged at the position of the stay rope through hole on the upper flange of the lower chord, and the thickened plate is connected with the upper flanges of the lower chords on the two sides through groove welding. The thickness of the thickened plate is determined according to the principle that the front section and the rear section of the stay cable via hole are equal in strength.

The reinforcing plate in the lower chord corresponds to the flange of the vertical web member in position and has the same thickness.

The stay cable via holes and the steering round bent pipes are multiple groups and are uniformly arranged at intervals along the radial direction of the lower chord, so that the stay cable via holes and the steering round bent pipes are suitable for trusses with a plurality of stay cables.

The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Claims

1. The utility model provides a prestressing force steel truss cable turns to node structure, its characterized in that, includes perpendicular web member, oblique web member, connecting plate, lower chord member, steel wire cable and turns to round return bend, the connecting plate is followed the lower chord member axial is installed, erect web member and oblique web member all with connecting plate fixed connection, be equipped with the cable via hole on the last flange of lower chord member, turn to on round return bend is fixed in lower chord member, with the cable via hole is corresponding, the steel wire cable passes the cable via hole in proper order and turns to round return bend and stretch-draw and turn to.

2. The prestressed steel truss stay cable steering node structure according to claim 1, wherein a stiffened plate is arranged on the lower chord member, and two ends of the steering round bent pipe penetrate through the stiffened plate and are welded and connected with the stiffened plate.

3. The prestressed steel truss cable steering node structure of claim 2, wherein a thickened plate is arranged on the upper flange of the lower chord at the position of the cable through hole.

4. The prestressed steel truss cable steering joint structure of claim 3, wherein the thickened plate is connected with the upper flanges of the lower chords on two sides through groove welding.

5. The prestressed steel truss cable steering joint structure according to claim 2, wherein the steering round bent pipe and the stiffened plate are connected by fillet welding.

6. The prestressed steel truss cable steering joint structure according to claim 3, wherein the reinforcing plate in the lower chord corresponds to the flange of the vertical web member in position and has the same thickness.

7. The prestressed steel truss cable steering node structure of claim 6, wherein the cable through holes and the steering round bent pipes are arranged in multiple groups at uniform intervals along the radial direction of the lower chord.