CN220928379U - House cover tensioning structure of light steel factory - Google Patents

Abstract

The utility model relates to a light steel factory house cover tensioning structure, which comprises: winding up; the lower chord is arranged below the upper chord, two ends of the lower chord are respectively connected with two ends of the upper chord, the lower chord comprises a plurality of lower chord sections distributed along the length direction of the lower chord, two adjacent lower chord sections are connected through a connecting structure, and the connecting structure enables the two adjacent lower chord sections to be mutually close to or far away from each other along the length direction of the lower chord; the web members are arranged between the upper chord and the lower chord and are arranged at intervals along the length direction of the upper chord, and two ends of each web member are respectively connected with the upper chord and the lower chord. The lower chord is formed by connecting the plurality of lower chord sections through the connecting structure, when the lower chord is installed, the connecting structure can be used for reserving the space between the adjacent lower chord sections, after the lower chord is installed, the connecting structure is used for enabling the adjacent lower chord sections to be mutually close to each other until no space is reserved, so that the lower chord is in a pre-tightening state, the construction difficulty is low, the construction cost is low, and the construction efficiency is high.

Description

House cover tensioning structure of light steel factory

Technical Field

The utility model relates to the technical field of building structures, in particular to a house cover tensioning structure of a light steel factory.

Background

In the field of space steel structure design, the tension structure has been greatly applied because of the advantages of light structure, graceful shape, steel consumption saving and the like. The tensioning structure generally comprises an upper chord compression bar, a web member, a lower chord pull bar and the like, and the lower chord pull bar can be further refined into a inhaul cable, a prestressed reinforcement, a steel pull bar and the like according to the stress of the structure.

When the tensioning structure is constructed, in order to realize the tensioning force of the lower chord, a jack is generally arranged at the support to tension the lower chord, so that the lower chord generates pretension. However, when the tension structure is used as a roof supporting structure for the light steel structure factory building, the construction difficulty is high when the jack is used for stretching the lower chord, the cost is high, the construction period is long, and the popularization of the tension structure in the light steel structure factory building is not facilitated.

Disclosure of utility model

Based on the expression, the utility model provides a light steel factory house cover tensioning structure for solving the problem.

The technical scheme for solving the technical problems is as follows:

the application provides a tensioning structure of a house cover of a light steel factory, which adopts the following technical scheme:

A light steel mill house cover tension structure comprising:

Winding up;

the lower chord is arranged below the upper chord, two ends of the lower chord are respectively connected with two ends of the upper chord, the lower chord comprises a plurality of lower chord sections distributed along the length direction of the lower chord, two adjacent lower chord sections are connected through a connecting structure, and the connecting structure enables the two adjacent lower chord sections to be mutually close to or far away from each other along the length direction of the lower chord;

the web members are arranged between the upper chord and the lower chord and are arranged at intervals along the length direction of the upper chord, and two ends of each web member are respectively connected with the upper chord and the lower chord.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the connection structure includes:

The two end plates are respectively connected to the two adjacent lower chord sections, and the plane of each end plate is perpendicular to the axis of each lower chord section;

and the connecting bolts are connected with the two end plates.

Further, the end plate is connected to an end of the lower chord section, and a projection of the lower chord section in an axial direction thereof falls on the end plate.

Further, the end plate is circular and coaxial with the lower chord section.

Further, the axis of the connecting bolt is perpendicular to the plane of the end plate, the end plate is provided with a mounting hole for the connecting bolt to pass through, and the connecting bolt passes through the two end plate rear connecting nuts.

Further, a plurality of the connecting bolts are evenly distributed circumferentially around the lower chord section.

Further, each of the lower chord sections is connected to the upper chord by at least one web member.

Further, the web members are vertically disposed.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. The lower chords are formed by connecting the plurality of lower chords through the connecting structure, when the lower chords are installed, the interval between the adjacent lower chords can be reserved through the connecting structure, at the moment, the lower chords are in a loose state after the installation of the lower chords is completed, the upper chords, the lower chords and the web members are mutually close to each other to leave no interval through the connecting structure after the installation of the lower chords is completed on a main body structure of a factory building, the whole length of the lower chords is shortened, the adjacent lower chords are sequentially close to each other through the plurality of connecting structures from the middle to the two ends, the whole length of the lower chords is gradually shortened to generate pretension, when the lower chords are constructed, the reserved interval between the adjacent lower chords is designed according to the actual situation, and when the interval between any adjacent lower chords in the plurality of lower chords is not left, the lower chords are in a pretension state, the construction difficulty is low, and the construction efficiency is high;

2. According to the application, the end plates are arranged at the ends of the lower chord sections, the two end plates are connected between the adjacent lower chord sections through the connecting bolts to realize the connection of the adjacent lower chord sections, the connecting bolts adopt high-strength bolts during construction, the connecting bolts bear the tensile force of the adjacent lower chord sections, the spacing between the adjacent lower chord sections is regulated through the connecting bolts, and the lower chord can be pretensioned by tightening the connecting bolts, so that the construction difficulty is low, the construction cost is low, the construction is simple, and the construction efficiency is high.

Drawings

FIG. 1 is a schematic structural view of a light steel plant house cover tensile structure provided by an embodiment of the utility model;

FIG. 2 is a schematic diagram of a connection structure in a light steel factory building cover tension structure provided by an embodiment of the utility model;

Fig. 3 is a schematic distribution diagram of connecting bolts in a tensioning structure of a house cover of a light steel plant according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. winding up; 2. a lower chord; 21. a lower chord segment; 22. a connection structure; 221. an end plate; 222. a connecting bolt; 3. and a web member.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. "connected" in the following embodiments is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, segments, and the like have electrical signals or data transferred therebetween.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

Referring to fig. 1-3, an embodiment of the application provides a tensioning structure of a house cover of a light steel plant, which comprises an upper chord 1, a lower chord 2 and a plurality of web members 3, wherein the upper chord 1 and the lower chord 2 are distributed up and down, two ends of the lower chord 2 are fixedly connected with two ends of the upper chord 1 respectively, the plurality of web members 3 are arranged between the upper chord 1 and the lower chord 2 and are arranged at intervals along the length direction of the upper chord 1, and two ends of the web members 3 are fixedly connected with the upper chord 1 and the lower chord 2 respectively. In this embodiment, the web member 3 is arranged vertically to transmit the pressure received by the upper chord 1 to the lower chord 2 in the vertical direction.

As shown in fig. 1, further, the lower chord 2 includes a plurality of lower chord sections 21 distributed along the length direction thereof, adjacent lower chord sections 21 are connected by a connecting structure 22, and the connecting structure 22 enables the adjacent lower chord sections 21 to be close to or far from each other along the length direction of the lower chord 2.

Referring to fig. 1 to 3, specifically, the connection structure 22 includes two end plates 221 and a plurality of connection bolts 222, the two end plates 221 are respectively connected to two adjacent lower chord sections 21, the plane of the end plates 221 is perpendicular to the axis of the lower chord sections 21, and the connection bolts 222 connect the two end plates 221; to improve the connection strength and connection stability of the adjacent two lower chord sections 21, the end plates 221 are connected to the ends of the lower chord sections, and the projections of the lower chord sections 21 along the axial directions thereof fall on the end plates 221, the connecting bolts 222 connect the two end plates 221, and the plurality of connecting bolts 222 are uniformly distributed along the circumferential direction of the lower chord sections 21.

Referring to fig. 1-3, further, the end plates 221 are provided with mounting holes through which the connecting bolts 222 pass, and the connecting bolts 222 pass through the mounting holes on the two end plates 221 and then are connected with nuts, so that the purpose that the connecting bolts 222 connect the two end plates 221 is achieved, the axis of the connecting bolts 222 is perpendicular to the plane of the end plates 221, the direction in which the connecting bolts 222 bear tension is along the axis direction, the strength of the connecting structure 22 is improved, and the connection strength and the connection stability between the adjacent lower chord sections 21 are improved.

Through the arrangement, when the lower strings 2 are installed, the interval between the adjacent lower chord sections 21 can be reserved firstly, the interval between the two end plates 221 is reserved through the connecting bolts 222, the interval size, the bolt number and the specification are calculated according to the required lower chord 2 tension value, after the lower strings 2 are preassembled, the connecting bolts 222 of the connecting structure 22 are screwed down according to the sequence from the middle to the two ends of the lower strings 2 to enable the two end plates 221 to be close to and tightly attached to each other, and pretension is generated on the whole lower strings 2.

Referring to fig. 3, further, the end plate 221 is circular and coaxial with the lower chord section 21, the diameter of the end plate 221 is larger than that of the lower chord section 21, and the plurality of connecting bolts 222 are circumferentially distributed around the center of the end plate 221, and the intervals between the adjacent connecting bolts 222 are the same; in this embodiment, four connecting bolts 222 are provided for illustration. The arrangement of the shape of the end plates 221 and the distribution mode of the connecting bolts 222 can improve the connection strength of the two end plates 221, so that the connection strength of the adjacent lower chord sections 21 is improved, and the overall structural strength and stability of the lower chord 2 are improved.

Further, as shown in fig. 1, each lower chord segment 21 is connected with the upper chord 1 through at least one web member 3, so that the pressure born by the upper chord 1 is transferred to each lower chord segment 21 through the web member 3, the stress is more uniform, and the stability and balance of the tension structure are improved.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. A light steel mill housing cover tension structure, comprising:

A winding (1);

the lower chord (2) is arranged below the upper chord (1) and two ends of the lower chord are respectively connected with two ends of the upper chord (1), the lower chord (2) comprises a plurality of lower chord sections (21) distributed along the length direction of the lower chord sections, two adjacent lower chord sections (21) are connected through a connecting structure (22), and the connecting structure (22) enables the two adjacent lower chord sections (21) to be mutually close to or far away from each other along the length direction of the lower chord (2);

The web members (3) are arranged between the upper chord (1) and the lower chord (2) and are arranged at intervals along the length direction of the upper chord (1), and two ends of the web members (3) are respectively connected with the upper chord (1) and the lower chord (2).

2. The light steel mill house cover tension structure according to claim 1, characterized in that the connection structure (22) comprises:

Two end plates (221), wherein the two end plates (221) are respectively connected to two adjacent lower chord sections (21), and the plane of each end plate (221) is perpendicular to the axis of each lower chord section (21);

-a plurality of connecting bolts (222), said connecting bolts (222) connecting two of said end plates (221).

3. The light steel mill housing cover tension structure of claim 2, wherein: the end plate (221) is connected to an end of the lower chord section (21), and a projection of the lower chord section (21) in an axial direction thereof falls on the end plate (221).

4. A light steel mill house cover tension structure as recited in claim 3, wherein: the end plate (221) is circular and coaxial with the lower chord section (21).

5. The light steel mill housing cover tension structure of claim 4, wherein: the axis of the connecting bolt (222) is perpendicular to the plane of the end plate (221), the end plate (221) is provided with a mounting hole for the connecting bolt (222) to pass through, and the connecting bolt (222) passes through two end plates (221) and then is connected with a nut.

6. The light steel mill housing cover tension structure of claim 5, wherein: a plurality of the connecting bolts (222) are uniformly distributed circumferentially around the lower chord section (21).

7. The light steel mill housing cover tension structure of claim 1, wherein: each lower chord segment (21) is connected to the upper chord (1) by at least one web member (3).

8. The light steel mill housing cover tension structure of claim 1, wherein: the web members (3) are vertically arranged.