KR100773885B1 - Soundproofing wall where the maintenance is simple - Google Patents

Abstract

An easy maintainable soundproofed wall is provided to perform repair work for a soundproofed wall and replacement work for a sound absorbing member simply and economically by separating a front plate from a side frame and replacing a sound absorbing member simply without separating a soundproofed wall from an H-beam. An easy maintainable soundproofed wall comprises a side frame(10) provided with a C-shaped insertion groove(14) to insert one side of an H-beam to make the front of a bend(12) projected to the outside of the H-beam and a space(16) to insert a sound absorbing member, a front plate(20) coupled to the edge of the side frame to be separable and provided with plural small sound absorbing holes(22) to reduce the outside noise effectively and to prevent accumulation of acoustic energy, an upper plate(30) and a lower plate(32) formed in a symmetric structure to close up the space of the side frame tightly, and a sound absorbing member(40) inserted to the space of the side frame and provided with honeycomb many noise inflow ports(42) to disperse and reduce the noise entering through the small sound absorbing holes.

Description

Soundproofing wall where the maintenance is simple}

1 is an exploded perspective view of the sound barrier of the present invention

Figure 2 is a perspective view showing the installation state of the sound insulation wall of the present invention

3 is a plan sectional view showing a planar state of the present invention;

Figure 4 is a side cross-sectional view showing a side state of the present invention

5 is a perspective view showing another embodiment of the present invention front panel

Figure 6 is a side cross-sectional view showing another embodiment of the present invention top and bottom plate

Figure 7 is an exploded perspective view showing a second embodiment of the sound insulation wall of the present invention

* Description of the symbols for the main parts of the drawings *

 1: Soundproof wall 2: H beam

10: side frame 12,12a: bent portion

14,14a: Insertion groove 16: Space part

20: front panel 22: sound absorbing hole

24: rear panel 30: top plate

30a: convex portion 32: lower plate

30b: concave portion 34,34a: rim surface

40: sound absorbing material 42: noise inlet

The present invention relates to a soundproof wall, and more particularly, to improve the structure of the soundproof wall laminated inside the H beam, and to fix the soundproof wall to the side frame without separating the soundproof wall from the H beam during repair work or replacement of sound absorbing materials. The present invention relates to a maintenance-type soundproof wall that can reduce maintenance costs by separating the front panel and easily replacing sound absorbing materials.

In general, sound barriers are installed at the edges of roads to reduce noise and create a pleasant road environment in noisy places such as railways, airfields, and roads. The soundproof wall has a structure in which a sound absorbing material made of glass wool or polyester is inserted therein and is entirely composed of a front plate and a rear plate and a side frame is coupled to the side. Such a sound barrier is a situation in which two types of sound-proof holes are formed in the inside of the front plate, and a predetermined size of the sound absorbing holes are formed therein, or the inner surface of the front plate has a sound absorbing hole inclined downward.

The soundproof wall is inserted into the H beam in a stacked manner, and when the soundproof wall is used for a long time, the sound absorbing material formed inside the soundproof wall is corroded or dust is generated, resulting in environmental pollution.

If the sound absorbing material is used for a long time, the sound absorbing material falls down from the inside of the soundproof wall due to the environmental factors and the weight of itself, and the sound absorbing property is limited.

Meanwhile, in order to replace the sound absorbing material, the sound absorbing wall inserted into the H-beam is completely separated, and then the sound absorbing material is replaced by separating the front plate, the back plate, the side frame and the top plate. A little bit different.

However, lifting all the sound barriers installed inside the H-beams and then removing the individual components coupled to the sound barriers are all applied equally, which requires a lot of equipment, manpower and time for maintenance work to replace the sound absorbing material. Therefore, there was a problem that excessive maintenance costs.

In addition, since the structure of the soundproof wall is not the same, it takes a lot of work time for disassembling and assembling the soundproof wall, and the overall work process is delayed, resulting in trouble in construction.

In addition, when the vehicle is damaged due to contact with the sound barrier, the hassle of separating all the sound barriers stacked on the H beam and the side frame is inserted into the H beam to replace the damaged sound barrier, usually only the front plate is damaged. In the case of the soundproof wall in which the plate and the side frame are integrally formed, the entire soundproof wall has to be replaced, which causes excessive replacement cost.

The present invention has been made in view of the above-described conventional problems, and its object is to maintain and repair the soundproof wall and replace the sound absorbing material easily without separating the soundproof wall stacked inside the H beam. In providing a soundproof wall.

Another object of the present invention is to form a bent portion having an insertion groove so that one end of the H beam can be inserted into both sides of the side frame, the front of the bent portion is exposed to the outside of the H beam, the front plate on the front of the bent portion exposed When repairing the soundproof wall or replacing the sound absorbing material, which is combined to be fixed and detached by rivets or bolts, the front panel is separated from the side frame to replace the sound absorbing material. It is to provide a maintenance-type soundproof wall that can reduce the maintenance cost by reducing the working time.

Another object of the present invention is to form a fine perforated sound absorbing hole on the inner surface of the front plate when the outside noise is introduced into the sound absorbing hole, the noise introduced into the fine sound absorbing hole has a high noise reduction efficiency due to the resonance action, the noise is the front plate It provides a maintenance-type soundproof wall to prevent the accumulation of acoustic energy due to the small contact area in the event of a collision.

Still another object of the present invention is to arrange a plurality of honeycomb-shaped noise inlet inside the sound absorbing material as the noise passing through the microporous sound-absorbing hole flows into the noise inlet, so that the noise source is scattered and dispersed within the noise inlet, so that the noise acts as a resonance. It is to provide a maintenance-type soundproof wall so that it can be reduced.

Another object of the present invention is to form a bent portion having an insertion groove in the front and rear of the side frame symmetrically, and to install the front plate and the rear plate formed with a fine perforated sound absorbing hole in the front and rear surfaces of the side frame while improving the noise reduction efficiency It is to provide a maintenance-type soundproof wall to have the same action and effect as the soundproof wall.

The present invention is to provide a maintenance-type soundproof wall to reduce the time and labor costs required for the maintenance of the soundproof wall while improving the productivity and the quality of the product by designing to manufacture the soundproof wall relatively economically.

In order to achieve the object of the present invention in order to reduce the noise of the vehicle made of a front plate, a rear plate, a side frame, the sound absorbing material is formed therein to reduce the noise, by bending both ends of the frame made of a plate body A side frame having a space portion into which a bent portion having an insertion groove is formed and one end of the bent portion extends a predetermined length and is bent inwardly from an end to seal the rear surface to insert a sound absorbing material therein; It is made of a plate body to seal the front of the side frame, both edges of the plate is in close contact with the front of the side frame to be fixed and separated integrally, the sound-absorbing pores finely perforated inside the front A front plate formed of a plurality; An upper plate and a lower plate having a structure symmetrical with each other to seal the upper and lower portions of the side frame; And a sound absorbing material inserted into the space portion of the side frame to reduce noise introduced into the sound absorbing hole.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Attached Figure 1 is a perspective view of the separated state showing the overall structure of the present invention, Figure 2 is a perspective view showing the installation state of the present invention, by bending both ends of the frame made of a plate body having an insertion groove 14 therein (12) and a side frame (10) having a space portion (16) on its inner side, and the front plate (20) coupled to be fixed and detachable to both side surfaces of the side frame (10); The upper plate 30 and the lower plate 32 formed to seal the space portion 16 of the side frame 10 and the sound absorbing material 40 inserted into the space portion 16 to reduce noise are largely configured. do.

Side frame 10,

Both ends of the frame made of a square plate body are bent inward to form a bent portion 12 having an insertion groove 14 having a "c" shape therein, and one end of the bent portion 12 is extended to a predetermined length. The inner side is bent from the end is sealed and the rear side is formed with a space portion 16 to insert the sound absorbing material therein.

The side frame 10 has a front surface is opened, the front plate 20 to be described later is coupled, the upper and lower portions of the space portion 16 to be described later is coupled to the upper plate 30 and the lower plate 32 to seal the inside In addition, one side wing portion of the H beam 2 is inserted into the insertion groove 14 so that the front surface of the bent portion 12 may protrude out of the H beam 2.

The front panel 20 is

A plurality of sound-absorbing holes 22 formed in a rectangular plate body to seal the front surface of the side frame 10 are formed at equal intervals at equal intervals, and the sound-absorbing holes 22 are microporous. As noise enters, the noise reduction efficiency is high due to the public action, and the sound absorbing holes 22 are formed in the front plate 20 in close contact with each other. You can prevent it.

The front plate 20 may form sound absorbing holes 22 having various structures, among which the sound absorbing holes 22 inclined downward may be bored in a gallery shape.

The upper plate 30 and the lower plate 32,

It is formed to have a structure symmetrical with each other so as to seal the space 16 of the side frame 10.

The upper plate 30 and the lower plate 32 are formed in the same shape as the space unit 16 so as to be inserted into the space unit 16 of the side frame 10 to be fixed to the side frame 10 and the front plate 20. The edge surface 34 of the upper plate 30 is bent upward so as to be fixed with rivets or bolts.

The upper plate 30 and the lower plate 32 can be used in various modifications, and in particular, the convex portion 30a and the convex portion 30a protruding upward from the middle portion of the upper plate 30 and the lower plate 32 are inserted. It may be used to form a recessed portion (32a) in the middle portion of the lower plate 32 to be.

Sound absorbing material 40,

Inserted into the space portion 16 of the side frame 10 performs a function of directly reducing the noise introduced through the microporous sound-absorbing hole 22.

On the other hand, inside the sound absorbing material 40, a plurality of noise inlets 42 formed in a honeycomb shape are arranged so that the noise source introduced through the microporous sound absorbing holes 22 of the front plate 20 passes through the noise inlet 42. As the scattering and scattering, the noise disappears.

The sound absorbing material 40 may perform the function of the sound absorbing material 40 which may reduce noise only when the microporous sound absorbing hole 22 of the front plate 20 is maintained while being in close contact with the front surface. Sound-absorbing material 40 is injection molded to produce a large amount of products.

As described above, the maintenance type soundproof wall of the present invention will be described with reference to the accompanying drawings.

The front plate 20 is fixed to the front side of the side frame 10. At this time, both side edges of the front plate 20 are in close contact with the front side of the bent portion 12 and fixed with rivets or bolts to seal the front and rear surfaces. Has a structure.

When the fixing operation of the front plate 20 is completed, the lower plate 32 is inserted into the inner surface of the space part 16, in which the edge surface 34 of the lower plate 32 faces outwards and then rivets or bolts. After the bottom surface is kept closed, the sound absorbing material 40 is inserted into the space 16, and the edge 34 of the upper plate 30 is coupled upward so as to be fixed with rivets or bolts. ) To be sealed inside (see Fig. 1).

As shown in FIG. 2, when the insertion groove 14 of the soundproof wall 1 is inserted into both wing portions of the H beam 2, one end of the side frame 10 and the front plate 20 outside of the H beam 2. It has a protruding structure.

When the soundproof wall 1 is used for a long time, the sound absorbing material 40 inside is corroded or dust is generated, which causes environmental pollution. When the sound absorbing material 40 is used for a long time, the efficiency of reducing noise decreases and the sound absorbing material 40 is replaced. In order to solve the hassle to be used by injection molding the sound absorbing material 40 having a honeycomb-shaped noise inlet 42 therein to improve product productivity, while the injection molded sound absorbing material 40 can be used semi-permanently There is a feature that can reduce the maintenance cost of (40).

On the other hand, if there is a need to replace the sound absorbing material 40 after a certain period of time after installing the sound absorbing material generally used in the interior of the soundproof wall (1), the rivets or bolts fixed to both sides of the front plate 20 When separated, the front plate 20 protruding to the outside of the H beam 2 is easily separated from the side frame 10, so that the sound absorbing material 40 can be easily replaced. When the replacement of the sound absorbing material 40 is completed, if the front plate 20 is fixed to the side frame 10 in close contact with a rivet or bolt, the repair work of the soundproof wall 1 can be easily performed.

In addition, even when the vehicle collides with the soundproof wall 1 and the front plate 20 is damaged, the front plate 20 may be separated from the side frame 10 so that only the front plate 20 may be replaced. It is not necessary to perform the cumbersome work of separating the sound insulation wall 1 from the inside of the H-beam 2, and since the front plate 20 and the side frame 10 are mostly composed in one piece, the entire sound insulation wall 1 must be replaced. There are features that can complement the problem.

5 is a perspective view showing another embodiment of the front plate 20 of the present invention, the sound absorbing hole 22 inclined downward in the inner surface of the front plate 20 may be perforated in a gallery shape.

Figure 6 is a side cross-sectional view showing another embodiment of the present invention the upper plate and the lower plate, the middle portion of the upper plate 30 while allowing the upper and lower edges (34a) of the lower plate 32 to be fixed by bending The convex portion 30a protruding upward is formed in the upper portion, and the concave portion 32a is formed in the middle portion of the lower plate 32 so that the convex portion 30a can be coupled to the soundproof wall 1 on the H beam 2. ) Can be stacked more firmly.

7 is a perspective view showing a second embodiment of the maintenance-type soundproofing wall of the present invention, which is an improvement of the structure of the side frame 10, in which the bent portions 12 and 12a having the insertion grooves 14 are symmetrical in front and rear. The sound absorbing material 40 may be inserted at a predetermined distance so that the space 16 may be formed between the bent portion 12 and the bent portion 12a.

The front and rear panels 20 and the rear panel 24 are fixed with rivets or bolts on the front and rear surfaces of the two side frames 10 to seal the front and rear surfaces.

The inner surface of the front plate 20 and the rear plate 24 to form a fine perforated sound absorbing hole 22 to reduce the noise in the front and rear surface to improve the noise reduction efficiency.

In addition, the inner side surfaces of the front plate 20 and the rear plate 24 may be used by perforating the sound-absorbing hole 22 inclined downward in a gallery shape.

When the work of the front and rear surfaces of the closed side frame 10 is completed, the lower plate 32 is coupled, and the edge surface 34 of the lower plate 32 is coupled outwardly and fixed with rivets or bolts.

When the lower plate 32 is coupled, the sound absorbing material 40 is inserted, and then the edge 34 of the upper plate 30 is coupled to the upper side and fixed with rivets or bolts to complete the assembly process of the soundproof wall 1.

The soundproof wall (1) has a simple structure and the same effect and effect as the double-sided soundproof wall (1) can improve the noise reduction efficiency.

In addition, there is a feature that can easily perform the maintenance work of the front plate 20 and the rear plate 24 and the replacement of the sound absorbing material 40.

In addition, the sound absorbing material 40 can be selectively used in various ways according to working conditions or construction conditions. Preferably, when the sound absorbing material 40 having a noise inlet 42 having a honeycomb shape is used by injection molding. Since it can be used semi-permanently, it is possible to reduce the maintenance cost of the sound barrier and sound absorbing material, and at the same time improve the work efficiency.

As described above, the present invention maintains the equipment and manpower required for the maintenance work of the sound barrier by minimizing the maintenance work of the sound barrier and the replacement of the sound absorbing materials without separating the sound barrier that is stacked inside the H beam. The invention is effective to reduce the maintenance cost.

The present invention is an invention that has the effect of reducing the budget required for the replacement of the entire soundproof wall and the budget required to replace the front panel by separating the front panel from the side frame when the front panel is damaged. .

The sound absorbing material of the present invention is an invention that can be used semi-permanently while increasing the productivity of the product by injection molding so that a plurality of noise inlets made of a honeycomb shape are disposed, and above all, reducing the maintenance cost of the sound absorbing material.

The present invention improves the structure of the soundproof wall coupled to the inside of the H-beam to shorten the work process and at the same time can be used to easily combine and separate the front plate and the back plate on the front and rear surfaces of the side frame, without having to configure a separate double-sided sound barrier The invention has the effect of reducing the manufacturing cost of the sound barrier while improving the quality of the sound barrier by performing the same action and function.

The present invention is characterized by having a soundproof wall that is easy to manufacture and install economically to improve the quality of the product while having a competitive advantage in the manufacturing industry.

What has been described above is only one embodiment for carrying out the soundproof wall according to the present invention, and the present invention is not limited to the above-described embodiment, and as claimed in the following claims, it departs from the gist of the present invention. Without this, anyone skilled in the art to which the present invention pertains will have the technical spirit of the present invention to the extent that various modifications can be made.

Claims (9)

A side frame is installed between the H beam and the H beam, and both ends of the side frame are bent to form fitting grooves so that the H beam is fitted into the inside of the side frame, and the front plate is easily coupled to the front of the side frame. In the separate soundproof wall, The rear surface of the side frame 10 is sealed and bent both ends to have insertion grooves 14 on both sides of the side frame 10 to form a bent portion 12, and the inside of the side frame 10 A space part 16 for inserting the sound absorbing material is formed, and the front plate 20 is installed on the front surface of the side frame 10 so as to be fixed and detached, and fine perforated inside the front plate 20. A plurality of sound absorbing holes 22 are formed at equal intervals, and the upper plate 30 and the lower plate 32 are fitted to the upper and lower portions of the space part 16 of the side frame 10 so as to be symmetrically installed. The upper plate 30 and the lower plate 32 are formed in the same shape as the space portion 16, and the edge surface 34 is bent upward to be fixed by rivets or bolts, and the space portion 16 of the side frame 10 is fixed. The sound absorbing material 40 is inserted into the inner surface to reduce the noise introduced into the sound absorbing hole 22 of the front plate 20 Noise inlet 42 made of a honeycomb-like arrangement is a plurality of injection-maintenance-type sound barrier, it characterized in that the molding. delete delete delete delete delete delete delete delete

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