CN219261845U

CN219261845U - Continuous Z-shaped purline reinforcing structure

Info

Publication number: CN219261845U
Application number: CN202320081037.6U
Authority: CN
Inventors: 朱维一; 刘玉涛; 阮森康; 朱勇; 杨本豪
Original assignee: Zhejiang Zhongtian Hengzhu Steel Structure Co ltd; Zhongtian Construction Group Co Ltd
Current assignee: Zhejiang Zhongtian Hengzhu Steel Structure Co ltd; Zhongtian Construction Group Co Ltd
Priority date: 2023-01-13
Filing date: 2023-01-13
Publication date: 2023-06-27
Anticipated expiration: 2033-01-13

Abstract

The utility model discloses a continuous Z-shaped purline reinforcing structure, and belongs to the field of roof structures. The continuous Z-shaped purline reinforcing structure comprises the Z-shaped purlines, the second fixing piece and the supporting reinforcement, and the supporting reinforcement is arranged below the original Z-shaped purlines, so that the original roof board is not required to be removed, the bearing capacity of the purlines can be greatly improved, and the construction period is shortened. The utility model can be widely applied to structures with reinforcing requirements of the new photovoltaic modules of the existing steel structure factory building roofs on continuous Z-shaped purlines.

Description

Continuous Z-shaped purline reinforcing structure

Technical Field

The utility model belongs to the field of roof structures, and particularly relates to a continuous Z-shaped purline reinforcing structure.

Background

In recent years, countries have strongly pursued new energy and renewable energy. Because the industrial factory building roofing has advantages such as the area is big, illumination environment is good, can provide better electricity generation environment for photovoltaic module, be favorable to the continuous power supply of subassembly, reach the purpose of energy saving. However, as the old steel structure factory building often does not leave a larger margin in design, the condition of insufficient purline bearing capacity can occur after the new photovoltaic load is added to the roof. If the photovoltaic module is laid in this case, there is a great potential safety hazard. In the chinese patent application No. 201720255162.9, a steel structure building and a purline reinforcing system thereof are provided, wherein a supporting reinforcement is respectively connected to two adjacent purlines, the supporting reinforcement at least comprises a web, and the width direction of the web is oriented in the same direction as the width direction of a side surface of the purline connected to the web, which is used for connecting the supporting reinforcement. In the chinese patent of application number 202123295259.8, a simple supporting purlin reinforcing structure is provided, in which an additional member is disposed on one side of an original roof purlin, the additional member is connected to the original roof purlin through a connecting member, the additional member such as a rectangular pipe, a C-shaped purlin or an angle steel is installed on one side of the original roof purlin, the additional member is connected with the original roof purlin, and the additional member and the original roof purlin are connected into a whole under the condition of no fire. Although the structure of the prior reinforced purline can also provide a certain bearing capacity, the reinforced purline adopts a through-length arrangement reinforced structure, has more steel consumption and is not easy to avoid the position of the brace in the original roof structure. Therefore, in order to meet the use requirement of the original purline section after photovoltaic load is added, a need exists for a purline reinforcing structure which can save steel amount, improve bearing capacity and facilitate construction.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and improve the bearing capacity of the roof purline, so that the structure can meet the use requirement after laying the photovoltaic. The continuous Z-shaped purline reinforcing structure can be used for node reinforcement, is simple in structure, convenient to process and easy to construct and manage.

The specific technical scheme adopted by the utility model is as follows:

the utility model provides a continuous Z-shaped purline reinforcing structure which comprises Z-shaped purlines, a second fixing piece and a supporting reinforcement. The specific connection mode is as follows:

two ends of the Z-shaped purline are fixed between steel beams of the original structure through purlin support plates provided with first fixing pieces. Braces used for stabilizing the Z-shaped purlines are arranged between the adjacent Z-shaped purlines at intervals. The Z-shaped purline comprises an upper wing plate, a lower wing plate and a web plate, wherein the upper wing plate and the lower wing plate are arranged in parallel, and the web plate is vertically arranged between the upper wing plate and the lower wing plate. The upper wing plate and the lower wing plate are respectively positioned at the opposite sides of the web plate. The supporting reinforcement is arranged below the brace opening on the web plate.

The support reinforcement includes a first support plate in a vertical direction, a second support plate in a horizontal direction, and a third support plate in a folded line shape. The first support plate, the third support plate and the second support plate are sequentially connected, the first support plate and the second support plate are fixedly connected to the web plate and the lower wing plate through second fixing pieces arranged at intervals respectively, and a cavity is formed between the third support plate and the lower wing plate.

Preferably, the Z-shaped purlines are continuously arranged in the same horizontal plane.

Preferably, the first fixing member is a bolt.

Preferably, the second fixing member is a galvanized self-tapping drill bolt.

Preferably, the thickness of the supporting reinforcement is 3 to 5mm.

Further, the thickness of the supporting reinforcement is 3mm.

Preferably, the length of the supporting reinforcement is equal to or less than the distance between the purlin supporting plates at two ends of the Z-shaped purlin. And two ends of the supporting reinforcement are welded on the web plate of the Z-shaped purline.

Preferably, the welding length of the two ends of the supporting reinforcement is 90-110 mm.

Preferably, the interval length between the second fixing members is 140 to 160mm.

Further, the length of the interval between the second fixing members is 150mm.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The method has the advantages that the supporting reinforcement is attached to the lower part of the continuous Z-shaped purline, so that the bearing capacity of the original purline is improved, the supporting reinforcement is folded into a shape like a Chinese character 'ji', and the bending rigidity of the structure is greatly improved on the premise of increasing less steel consumption;

(2) According to the utility model, the Z-shaped purline is connected with the supporting reinforcement by adopting the galvanized self-tapping screw, and welding is performed within a range of 100mm near the lap joint of the purline, so that the construction becomes simple and convenient on the premise of ensuring reliable connection, and the construction is beneficial to on-site operation implementation;

(3) According to the utility model, construction is performed at the lower part of the original purline, and compared with the reinforcing method of additionally arranging angle steel or C-shaped steel on the upper wing plate of the purline, a larger space is reserved between the angle steel or C-shaped steel and the roof panel, and the position of the original brace is avoided, so that the actual construction is facilitated;

(4) According to the utility model, the original roof board is not required to be dismantled, and the supporting reinforcement is only arranged below the original purline, so that the construction period is greatly saved compared with the method of replacing the purline or encrypting the purline;

the utility model provides a continuous Z-shaped purline reinforcement structure for a roof, which has definite node structure, can greatly improve the bearing capacity of the purline, and can be widely applied to structures with reinforcement requirements on the continuous Z-shaped purline by a new reinforced photovoltaic assembly of the roof of an existing steel structure factory building.

Drawings

FIG. 1 is a layout of a continuous Z-purlin reinforcing structure;

FIG. 2 is a cross-sectional view of the position A of FIG. 1;

in the figure: z-shaped purline 1, upper wing plate 1-1, lower wing plate 1-2, web plate 1-3, purlin supporting plate 2, first fixing piece 3, brace 4, second fixing piece 5, supporting reinforcement 6, first supporting plate 6-1, second supporting plate 6-2 and third supporting plate 6-3.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. The technical features of the embodiments of the utility model can be combined correspondingly on the premise of no mutual conflict.

In the description of the present utility model, it should be understood that the terms "first" and "second" are used solely for the purpose of distinguishing between the descriptions and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In a preferred embodiment of the utility model, in order to improve the bearing capacity of the roofing purline, so that the structure can meet the use requirement after photovoltaic laying, a continuous Z-shaped purline reinforcing structure is provided. As shown in fig. 1, the reinforcing structure includes a Z-type purline 1, a second fixing member 5, and a supporting reinforcement member 6. The specific structure thereof will be described in detail below.

Wherein, Z formula purlin is the purlin structure of the commonly used of current roofing structure. The Z-shaped purline 1 comprises an upper wing plate 1-1 and a lower wing plate 1-2 which are arranged in the horizontal direction. The upper wing plate 1-1 and the lower wing plate 1-2 are connected through a web plate 1-3 arranged in the vertical direction, and the upper wing plate 1-1 and the lower wing plate 1-2 are respectively positioned on opposite sides of the web plate 1-3, so that the purline formed by the upper wing plate 1-1, the lower wing plate 1-2 and the web plate 1-3 is similar to a letter Z in section.

The purlines are usually vertically arranged on the horizontal roof beam of the roof truss or rafter, and in order to support the roof truss or rafter, a plurality of Z-shaped purlines 1 can be arranged continuously in the same horizontal plane. A plurality of braces 4 for stabilizing the Z-shaped purlines are arranged between the adjacent Z-shaped purlines 1 at intervals.

The two ends of the Z-shaped purline 1 are fixed between the steel beams of the original structure. In order to ensure stable connection between the Z-shaped purline 1 and the steel beam of the original structure, the Z-shaped purline 1 is provided with a purline supporting plate 2. The purlin layer board 2 can be made with angle steel or steel sheet, is equipped with first mounting 3 on the purlin layer board 2, carries out zonulae occludens with the girder steel of Z formula purlin 1 and original structure through first mounting 3.

In the present embodiment, the first fixing member 3 employs bolts, and the number of bolts is 4. However, it should be noted that the first fixing members 3 are used to stably fix the purlin supporting plate 2 between the Z-type purlin 1 and the steel beam with the original structure, the number and types of the specific first fixing members 3 may be adjusted according to actual needs, the number of the first fixing members 3 should not be less than 2, and the first fixing members 3 may also be studs, screws, set screws, nuts, etc.

In order to improve the bearing capacity of the roofing purline, the supporting reinforcement 6 is adopted to reinforce the original Z-shaped purline 1 in the embodiment. The supporting reinforcement 6 is a through-long rigid structure, is arranged below a connecting hole between the web plate 1-3 in the Z-shaped purline 1 and the brace 4, avoids the position of the original brace, and is convenient for practical construction. It should be noted that, the thickness of the conventional national standard angle steel has 3 specifications, namely 3mm, 4mm and 5mm, and the angle steel with the thickness of 3mm is preferable as the supporting reinforcement 6 in the embodiment, so that the bending rigidity of the structure is improved to a greater extent on the premise of increasing the less steel consumption. If the actual construction needs, angle steel with other specifications can be used as the supporting reinforcement 6 to meet the supporting strength of different requirements.

As shown in fig. 2, the supporting reinforcement 6 employed in the present embodiment has a "several" shape as a whole, and specifically includes a first supporting plate 6-1 disposed in the vertical direction, a second supporting plate 6-2 disposed in the horizontal direction, and a third supporting plate 6-3 in the folded-line shape. The first support plate 6-1, the third support plate 6-3 and the second support plate 6-2 are sequentially connected as one integral part. In practical construction applications, for the convenience of field construction process, the self-angle iron can be directly adopted for reinforcement, or the first support plate, the third support plate and the second support plate can be sequentially and fixedly connected and then used for reinforcement.

The length of the supporting reinforcement 6 is smaller than or equal to the distance between the purlin supporting plates 2 at two ends of the Z-shaped purlin 1, and the concrete connection mode of the supporting reinforcement 6 and the Z-shaped purlin 1 is shown in fig. 2. The first support plate 6-1 is fixedly connected to the web plate 1-3 through the second fixing piece 5, the second support plate 6-2 is fixedly connected to the lower wing plate 1-2 through the second fixing piece 5, so that a cavity is formed among the first support plate 6-1, the third support plate 6-3, the second support plate 6-2 and the lower wing plate 1-2, and a large space is reserved between the first support plate and the original roof structure.

The self-tapping screw is a screw with a drill bit, which is commonly used for connection and fixation of some thinner plates, and does not require a bottom hole and tapping, so that in the present embodiment, a galvanized self-tapping screw with a drill bit is selected as the second fixing member 5. It should be noted that other fixing members may be used for fixing if the actual construction is required, including but not limited to studs, screws, set screws and nuts.

In order to reinforce the connection between the bracing reinforcement 6 and the Z-type purline 1, a plurality of second fixing members 5 may be provided on the bracing reinforcement 6 at intervals in the horizontal direction. In this embodiment, a galvanized self-tapping drill bolt is provided between the supporting reinforcement 6 and the Z-type purlin 1 at intervals of 150mm. In order to further strengthen the connection between the supporting reinforcement 6 and the Z-shaped purline 1, the two ends of the supporting reinforcement 6 can be fixed on the web plates 1-3 of the Z-shaped purline 1 in a welding mode, the welding length is 100mm, and the construction becomes simple and convenient on the premise of ensuring reliable connection, thereby being beneficial to on-site operation implementation.

As shown in fig. 1, the length a of the supporting reinforcement 6 is equal to the interval L between two adjacent purlin supporting plates 2 minus the overlap length b of two sides of the purlin, and in actual construction, specific data of a, b and L can be selected according to the site situation.

In an actual roofing steel frame structure, besides Z-shaped purlines, C-shaped purlines are also common purlines. The C-shaped purline also comprises an upper wing plate, a lower wing plate which are horizontally arranged and a web plate which is perpendicular to the space between the upper wing plate and the lower wing plate. The upper wing plate and the lower wing plate of the C-shaped purline are positioned on the same side of the web plate. This embodiment provides a structure that is used for continuous Z type purlin to consolidate, and in practical application, this reinforced structure also can be used for C type purlin to consolidate.

The above embodiment is only a preferred embodiment of the present utility model, but it is not intended to limit the present utility model. Various changes and modifications may be made by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present utility model. Therefore, all the technical schemes obtained by adopting the equivalent substitution or equivalent transformation are within the protection scope of the utility model.

Claims

1. The continuous Z-shaped purline reinforcing structure is characterized by comprising a Z-shaped purline (1), a second fixing piece (5) and a supporting reinforcement (6);

two ends of the Z-shaped purline (1) are fixed between steel beams of the original structure through purlin support plates (2) provided with first fixing pieces (3); braces (4) for stabilizing the Z-shaped purlines are arranged between the adjacent Z-shaped purlines (1) at intervals; the Z-shaped purline (1) comprises an upper wing plate (1-1), a lower wing plate (1-2) which are arranged in parallel, and a web plate (1-3) which is vertically arranged between the upper wing plate (1-1) and the lower wing plate (1-2); the upper wing plate (1-1) and the lower wing plate (1-2) are respectively positioned at the opposite sides of the web plate (1-3); the supporting reinforcement (6) is arranged below the opening of the brace (4) on the web plate (1-3);

the support reinforcement (6) comprises a first support plate (6-1) in the vertical direction, a second support plate (6-2) in the horizontal direction and a third support plate (6-3) in a zigzag shape; the first support plate (6-1), the third support plate (6-3) and the second support plate (6-2) are sequentially connected, the first support plate (6-1) and the second support plate (6-2) are fixedly connected to the web plate (1-3) and the lower wing plate (1-2) through second fixing pieces (5) arranged at intervals respectively, and a cavity is formed between the third support plate (6-3) and the lower wing plate (1-2).

2. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the Z-purlins (1) are arranged continuously in the same horizontal plane.

3. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the first fixing element (3) is a bolt.

4. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the second fixing member (5) is a galvanized self-tapping drill screw.

5. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the thickness of the supporting reinforcement (6) is 3-5 mm.

6. A continuous Z-purlin reinforcing structure according to claim 5, characterized in that the supporting reinforcement (6) has a thickness of 3mm.

7. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the length of the supporting reinforcement (6) is equal to or less than the distance between the purlin pallets (2) at both ends of the Z-purlin (1); and two ends of the supporting reinforcement (6) are welded on the web plates (1-3) of the Z-shaped purline (1).

8. A continuous Z-purlin reinforcing structure according to claim 7, wherein the welded length of the ends of the supporting reinforcement (6) is 90-110 mm.

9. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the spacing length between the second fixing elements (5) is 140-160 mm.

10. A continuous Z-purlin reinforcing structure according to claim 1, characterized in that the spacing length between the second fixing elements (5) is 150mm.