CN114075813A

CN114075813A - Concave-convex overlapping system suitable for metal sound barrier

Info

Publication number: CN114075813A
Application number: CN202010845364.5A
Authority: CN
Inventors: 何龙; 彭翰泽; 曾有利
Original assignee: Tibet Zhongchi Group Co ltd
Current assignee: Tibet Zhongchi Group Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2022-02-22

Abstract

The invention provides a concave-convex overlapping system of a metal sound barrier, which comprises upright posts arranged at certain intervals and a metal screen body arranged between the adjacent upright posts, wherein each upright post comprises a web plate and two or more wing plates fixedly connected with the web plate, each wing plate comprises a wing plate body and a blocking structure arranged at the edge of the wing plate body, a limiting structure is arranged on an end section, and in a use state, the limiting structure is positioned on the inner side of the blocking structure and matched with the blocking structure. The anti-drop upright post and the anti-drop metal screen body matched with the anti-drop upright post are adopted, so that the sound barrier structure of the existing structure is compared, errors in the installation process can be avoided due to the blocking effect of the blocking structure, the metal screen body cannot be separated from the upright post, the safety of road traffic and pedestrians is effectively protected, and the anti-drop metal screen structure has great application value.

Description

Concave-convex overlapping system suitable for metal sound barrier

Technical Field

The invention relates to a noise protection device, in particular to a concave-convex overlapping system suitable for a metal sound barrier.

Background

Deadening walls, also known as sound barriers, refer to the insertion of a device between the source and the recipient that provides a significant additional attenuation of the sound wave propagation, thereby attenuating the noise contribution in the area of the recipient. The sound insulation and noise reduction composite material is mainly used for sound insulation and noise reduction of highways, expressways, overhead composite roads and other noise sources. The sound barrier is classified into a reflection type sound barrier for pure sound insulation and a composite type sound barrier combining sound absorption and sound insulation, which is a more effective sound insulation method. On highways and highways are the places where the most various types of sound barriers are used.

Sound barriers can be generally classified into upright sound barriers and fully enclosed sound barriers according to their structural forms. Vertical type sound barrier generally includes shaped steel and the sound barrier screen body of setting between adjacent shaped steel, the sound barrier screen body is generally inserted and is established between adjacent shaped steel, this kind of structure is generally when receiving external force or expend with heat and contract with cold, the sound barrier screen body is deviate from easily between the shaped steel, and the error of field installation also can make the one end of the screen body break away from shaped steel or only contact few area with shaped steel, in case the atress just leads to the screen body to deviate from easily, consequently provide a unsmooth overlapping system who is applicable to metal sound barrier who possesses location and locking function and become the technical problem that this trade needs to solve.

Disclosure of Invention

The invention aims to solve the technical problem of providing a concave-convex overlapping system which is suitable for a metal sound barrier and is capable of preventing mistaken installation and falling off.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a concave-convex overlapping system suitable for a metal sound barrier comprises upright posts arranged at certain intervals and a metal screen body arranged between the adjacent upright posts, the upright post comprises a web plate and two or more wing plates fixedly connected with the web plate, the metal screen body comprises an upper section bar, a lower section bar, a panel, a back plate, an end section bar and a sound absorber, the upper and lower ends of the panel and the back plate are respectively buckled on the upper section bar and the lower section bar to form a frame type metal shell, the end section bars are arranged at the left end and the right end of the metal shell, the sound absorbers are arranged in the metal shell, the wing plate comprises a wing plate body and a blocking structure arranged at the edge of the wing plate body, wherein a limiting structure is arranged on the end section, and in a use state, the limiting structure is positioned on the inner side of the blocking structure and matched with the blocking structure.

Preferably, the tip section bar includes the holding the storage tank and the buffering damping structure of sound absorber tip, the tip section bar includes sound absorber end-capping board and buffering damping end plate, sound absorber end-capping board sets up both ends about the sound absorber are provided with the holding on it the storage tank of sound absorber tip, buffering damping end plate is the L type, and it includes fixed part and buffering damping portion, the fixed part is connected sound absorber end-capping board, buffering damping portion is provided with the buffering damping structure, the width of limit structure part is greater than the width of other partial parts of metal screen.

Preferably, the buffering and vibration damping part is provided with a receiving groove, and the left end and the right end of the sound absorption plate and the sound insulation plate are respectively provided with a folding lug which is inserted in the receiving groove.

Preferably, a reinforcing rib is arranged in the limiting structure of the end section.

Preferably, the limiting structure of the end section bar is filled with a cement block.

Preferably, the blocking structure is a folded edge arranged at the edge of the wing plate body, and the limiting structure is positioned on the inner side of the folded edge.

Preferably, the flap is towards the web side.

Preferably, the angle between the folded edge and the wing plate body is an acute angle, a right angle or an obtuse angle.

Preferably, the end of the folded edge is further provided with a secondary folded edge extending along the direction of the wing plate body.

Preferably, the blocking structure is a raised structure provided at the edge of the wing plate.

Preferably, the blocking structure is an arc-shaped structure which is arranged at the edge of the wing plate and is bent towards the web plate.

Preferably, the wing plate is of an arc structure, and a concave surface of the arc structure faces one side of the web plate.

Preferably, the wing plate is a V-shaped structure formed by two plates which form an angle with each other, and the concave surface of the V-shaped structure faces to the side of the web plate.

Preferably, the blocking structure is welded to an end of the wing body.

Preferably, the device further comprises an error adjusting structure, wherein the error adjusting structure comprises one or a plurality of grooves which are arranged on the blocking structure and can accommodate the folded edge.

The invention has the beneficial effects that: according to the concave-convex overlapping system suitable for the metal sound barrier, when the concave-convex overlapping system is in a use state, the limiting structure is matched with the blocking structure, and due to the fact that the anti-falling upright post and the anti-falling metal screen body matched with the anti-falling upright post are adopted, compared with the sound barrier structure of the existing structure, due to the blocking effect of the blocking structure, the concave-convex overlapping system can avoid installation errors of site construction, the metal screen body cannot fall off from the upright post, safety of road driving and pedestrians is effectively protected, and the concave-convex overlapping system has a great application value. If the stand adopts shaped steel, under same thickness, the mechanical properties of the shaped steel that adopts anti-disengaging structure is showing the reinforcing, and under the same mechanical strength, its material that is more current shaped steel is showing and is reducing, possesses obvious economic benefits, and second the shaped steel of this kind of structure can prevent that the sound barrier screen body from deviating from adjacent shaped steel when receiving external force or expend with heat and contract with cold, prevents to fall risk and secondary damage, possesses very big using value.

Drawings

FIG. 1 is a schematic diagram of a longitudinal cross-sectional structure of a metal screen according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is an enlarged cross-sectional view of an end of the metal screen;

FIG. 4 is a cross-sectional structure diagram of a column A, B, C, D, E, F, G, H, I, J, K, L;

a, B, C, D, E, F, G, H, I in FIG. 5 is a schematic cross-sectional structure of the pillar and the metal screen.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present invention provides a concave-convex overlapping system suitable for a metal sound barrier, which includes columns arranged at a certain interval and a metal screen body arranged between adjacent columns, wherein the distance between the columns is generally selected to be 1m to 3m, and the distance can be flexibly adjusted according to the actual requirements of a project. As shown in fig. 5, the upright column includes a web 10 and wing plates fixedly connected with the web 10, the upright column used in the general project is a deformed structure of H-shaped steel or H-shaped steel, the number of the wing plates of the H-shaped steel is two, the number of the wing plates of the deformed H-shaped steel is two or more, the wing plates are arranged in parallel, and each wing plate includes a wing plate body 20 and a blocking structure arranged at the edge of the wing plate body 20; as other structural options, the upright post can also be made of non-metal section bars, such as glass fiber reinforced plastic section bars, or other metal section bars, such as aluminum section bars. As shown in fig. 1, the metal screen body includes an upper section bar 1, a lower section bar 2, a panel 3, a back plate 4, an end section bar 5 and a sound absorber, wherein the upper end and the lower end of the panel 3 and the upper end and the lower end of the back plate 4 are respectively fastened on the upper section bar 1 and the lower section bar 2 to form a frame-type metal housing, the end section bar is arranged at the left end and the right end of the metal housing, and the sound absorber is arranged in the metal housing. The end section bar is provided with a limiting structure 6, and when the end section bar is in a use state, the limiting structure is positioned on the inner side of the blocking structure, and the shape of the limiting structure is matched with that of the blocking structure.

Specifically, as shown in fig. 3, the end section bar further includes a sound absorber end plate 51 and a buffering and vibration reducing end plate 52, the sound absorber end plate 51 is disposed at the left end and the right end of the sound absorber, and is provided with an accommodating groove 523 at the end of the sound absorber, the buffering and vibration reducing end plate is of an L shape and includes a fixing portion 521 and a buffering and vibration reducing portion 522, the fixing portion 521 is connected to the sound absorber end plate 51, the buffering and vibration reducing portion 522 is provided with a buffering and vibration reducing structure, the width of the limiting structure portion is greater than the width of other portions of the metal screen body, so that the installation is convenient, and the shaking of the limiting structure portion is prevented, and the width of the limiting structure portion is slightly smaller than the distance between the inner side walls of the two wing plates. The limiting structure can be fixedly connected to the end section bar, can also be a part of the end section bar and is of an integrally formed structure. The buffering vibration-damping portion 522 is provided with a receiving groove, and the left and right ends of the front panel 3 and the back panel 4 are respectively provided with a folding lug which is inserted into the receiving groove. As shown in fig. 4, at least one supporting member 11 is disposed between the upper profile 1 and the lower profile 2, the supporting member 11 is C-shaped, openings are disposed on the upper profile 1 and the lower profile 2, two ends of the C-shaped supporting member are respectively provided with a lug 111, and the lug 111 is bent after passing through the opening.

In order to further limit the deformability of the limiting structure of the end section bar of the metal screen body, a reinforcing rib is arranged in the limiting structure of the end section bar, or a cement block is filled in the limiting structure of the end section bar, so that the end section bar is prevented from deforming when being subjected to external force.

More specifically, as shown in A, B, C, D, F, G, H in fig. 4, the blocking structure is a folded edge 30 provided at the edge of the wing plate body, and the wing plate body and the folded edge are integrally formed, as shown in fig. 2, the limiting structure is located inside the folded edge, and due to the blocking effect of the folded edge, the limiting structure is limited in a certain space and cannot be freely changed in relative position with the upright post. As a specific alternative, for a structural H-section in a column, as shown at A, B, D, F in fig. 4, it comprises two flanges, each of which comprises four edges, and the flange may be provided on the edge of one side of one flange or on both edges of the same flange, so that the number of flanges can be selected to be one, two, three or four. For other structural shapes of the upright post, the number of the folded edges is selected as above. However, as an optimal structural option, in order to improve the reliability and aesthetic appearance of the structure, a hem is generally provided on each edge of the panel.

As an alternative to the blocking structure, in order to achieve the blocking effect, the folded edge faces the web side, the angle between the folded edge and the wing plate body is an acute angle, a right angle or an obtuse angle, and in order to prevent the screen body from being injured due to the excessive concentration of stress between the folded edge and the screen body, as shown in C, G in fig. 4, a secondary folded edge 40 extending along the direction of the wing plate body or perpendicular to the direction of the wing plate body is further provided at the end of the folded edge; alternatively, as shown in E of fig. 4, the blocking structure is a protrusion 50 disposed on the edge of the wing plate; otherwise, as shown in fig. 4I, the blocking structure is an arc-shaped structure which is arranged at the edge of the wing plate and is bent towards the web side; as shown in fig. 4J, the wing plate can be selected to be an arc-shaped structure, and the concave surface of the arc-shaped structure faces to one side of the web plate; the wing plate is a V-shaped structure formed by two plates which form an angle with each other, and the concave surface of the V-shaped structure faces to the web side; and in a further structural development, the thickness of the blocking structure welded at the end part of the wing plate body or the edge of the wing plate is larger than that of other parts of the wing plate.

In order to increase the flexibility of installation between the screen body and the upright, as shown in fig. 5B, the device further includes an error adjusting structure, the error adjusting structure includes one or more grooves 90 disposed on the blocking structure and capable of accommodating the folded edge, and when the distance between the two upright posts changes, the folded edge can be accommodated in the groove with a proper distance according to actual conditions.

The above-described embodiment is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. A concave-convex overlapping system suitable for a metal sound barrier comprises upright posts arranged at certain intervals and a metal screen body arranged between the adjacent upright posts, the upright post comprises a web plate and two or more wing plates fixedly connected with the web plate, the metal screen body comprises an upper section bar, a lower section bar, a panel, a back plate, an end section bar and a sound absorber, the upper and lower ends of the panel and the back plate are respectively buckled on the upper section bar and the lower section bar to form a frame type metal shell, the end section bars are arranged at the left end and the right end of the metal shell, the sound absorbers are arranged in the metal shell, it is characterized in that the wing plate comprises a wing plate body and a blocking structure arranged at the edge of the wing plate body, the end section bar is provided with a limiting structure, and when the end section bar is in a use state, the limiting structure is positioned on the inner side of the blocking structure and matched with the blocking structure.

2. The concavo-convex overlapping system suitable for the metal sound barrier as recited in claim 1, wherein the end section bar includes a receiving groove for receiving the end of the sound absorber and a buffering and vibration-reducing structure, the end section bar includes a sound absorber end-sealing plate and a buffering and vibration-reducing end plate, the sound absorber end-sealing plate is disposed at the left and right ends of the sound absorber, the receiving groove for receiving the end of the sound absorber is disposed on the sound absorber, the buffering and vibration-reducing end plate is L-shaped and includes a fixing portion and a buffering and vibration-reducing portion, the fixing portion is connected with the sound absorber end-sealing plate, the buffering and vibration-reducing portion is disposed with the buffering and vibration-reducing structure, and the width of the position-limiting structure portion is greater than the width of other portion of the metal barrier.

3. The concavo-convex overlapping system for a metallic sound barrier as set forth in claim 2, wherein said buffering and vibration-damping portion is provided with a receiving groove, and both left and right ends of said sound-absorbing panel and said sound-insulating panel are respectively provided with a folding lug, said folding lugs being inserted into said receiving groove.

4. The underlap system of any one of claims 1 to 3, wherein the retaining structure of the end section is provided with reinforcing ribs.

5. The underlap system of any one of claims 1 to 3, wherein the retaining structure of the end section is filled with a cement block.

6. The underlap system of claim 1, wherein the stop structure is a flange disposed on the edge of the panel body, and the stop structure is located inside the flange.

7. The underlap system of claim 4, wherein the hem is toward the web side.

8. The underlap system of claim 4, wherein the angle between the flange and the wing body is acute, right, or obtuse.

9. The underlap system of claim 4, wherein the end of the flange is further provided with a secondary flange extending in the direction of the panel body.

10. The underlap system of claim 1, wherein the blocking structure is a raised structure disposed at the edge of the wing.

11. The underlap system of claim 1, wherein the blocking structure is an arcuate structure disposed at the edge of the wing that is bent toward the web.

12. The underlap system of claim 1, wherein the strakes have an arcuate configuration with the concave surface facing the web.

13. The underlap system of claim 1, wherein the strake has a V-shaped configuration of two plates at an angle to each other, the concavity of the V-shaped configuration facing the web side.

14. The underlap system of claim 1, wherein the blocking structure is welded to the ends of the wing body.

15. The male and female overlapping system for a metallic sound barrier of claim 1, further comprising an error adjustment structure, said error adjustment structure comprising one or several grooves disposed on said blocking structure to accommodate said folded edge.