JP3899235B2 - Sound insulation wall - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sound insulation wall installed along a road as a noise reduction measure for automobile traffic noise.
[0002]
[Prior art]
Conventionally, as a noise reduction measure for automobile traffic noise, many types of sound insulation walls in which sound insulation plates are fitted and laminated in grooves of opposing H-type support columns are installed along the roadside.
[0003]
In order to prevent the sound insulation plate from falling and the column from rotating, the above conventional sound insulation wall is provided with a wire connecting the column and the column on the upper end surface, and further, the wire is disposed above the sound insulation wall. A headboard is installed to cover the complicated structure.
[0004]
[Problems to be solved by the invention]
However, according to the conventional sound insulation wall, there is a risk that the headboard will be dropped by a strong wind or the like in a bad weather such as a typhoon, which may injure a passerby or damage the vehicle.
[0005]
Therefore, an object of the present invention is to provide a sound insulation wall that can prevent the sound insulation plate from falling and prevent the column from rotating without attaching an appendage such as a headboard.
[0006]
[Means for Solving the Problems]
The sound insulation wall according to the present invention is a sound insulation wall of a type in which a sound insulation plate is fitted and laminated in a groove of an opposing H-shaped support column, and the sound insulation plate has a wire groove extending in the same direction as the wall surface on a lower surface. The H-shaped support column has an insertion hole that penetrates the web at a position corresponding to the wire groove, and a wire is inserted through the wire groove and the insertion hole.
[0007]
According to this sound insulation wall, since the wire is disposed in the space formed inside the sound insulation wall by the wire groove and the insertion hole, the sound insulation plate can be prevented from falling without attaching an accessory for covering the wire outside the sound insulation wall. It is possible to prevent the column from rotating.
[0008]
The sound insulating plate arranged at the uppermost stage may be a sound insulating plate having the wire groove.
In this case, it is possible to prevent the sound insulation plate from falling and the column from rotating without replacing the sound insulation plate by simply replacing the top sound insulation plate in the conventional sound insulation wall to which the production is installed.
[0009]
The sound insulation plate arranged at the uppermost stage is a bent plate having an outer dimension larger than the maximum dimension between the sound insulation plate and the flange of the H-shaped support at the fitting portion with the groove of the H-shaped support. The sound insulating plate may have a spring, and the sound insulating plate may be pressure-bonded to the flange in a state where the leaf spring is elastically deformed.
In this case, it is possible to stabilize the installation state of the sound insulating plate and enhance the fall prevention function.
[0010]
The leaf spring may be V-shaped, and may be fixed to the sound insulating plate with one opposing piece and elastically contact the flange of the H-shaped support with the other piece.
In this case, the leaf spring can be easily attached to the sound insulation plate, and the sound insulation plate can be prevented from being caught when the sound insulation plate is fitted into the groove of the H-shaped support column, so that the installation workability of the sound insulation plate is improved.
[0011]
The sound insulation plate includes a wire insertion portion on a side surface disposed, and a plurality of the sound insulation plates stacked in the vertical direction are connected via a second wire inserted through the wire insertion portion. Also good.
In this case, by connecting the sound insulating plates in the vertical direction and integrating them, it is possible to stabilize the installation state of the sound insulating plates and enhance the function of preventing the sound insulating plates from falling.
[0012]
The wire insertion portion may be an I bolt.
In this case, the insertion portion can be provided simply by screwing into the sound insulating plate.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
1 to 3 show specific examples of the sound insulation wall according to the present invention. FIG. 1 is a perspective view showing a sound insulation plate arranged at the uppermost stage and the second stage of the sound insulation wall. FIG. 2 is a longitudinal sectional view of the sound insulating plate arranged at the uppermost stage. FIG. 3 is a side view of the sound insulation wall.
[0014]
The sound insulation wall 1 is laminated with a sound insulation plate 4 fitted in a groove 3 of an opposing H-shaped support 2.
In FIG. 1, the sound insulation wall 1 is continuous as shown by an imaginary line, but only a part of the sound insulation wall 1 is shown by a solid line in order to clarify the structures of the H-type support 2 and the sound insulation plate 4. In addition, the sound insulating plate 4 is fitted in both the grooves 3 and 3 of the H-shaped support column 2, but in FIG. 3, in order to clarify the structures of the H-shaped support column 2 and the sound insulating plate 4, the sound insulating plate 4 is inserted in front of the sheet. The illustration of the sound insulation plate 4 is omitted.
[0015]
The sound insulating plate 4 includes a box-shaped outer frame 41 and a sound absorbing body 42 filled therein, and a sound absorbing slit 43 is formed on the surface of the wall 10 that is disposed on the road side. And among the sound insulation boards 4 which comprise the sound insulation wall 1, the sound insulation board 4a arrange | positioned at the uppermost stage has the wire groove | channel 5 extended in the same direction as the wall surface 10 in the surface 44 arrange | positioned below. .
[0016]
The H-shaped support column 2 has an insertion hole 6 that penetrates the web 21 at a position corresponding to the wire groove 5, and a wire 7 is inserted through the insertion hole 6 and the wire groove 5.
[0017]
According to this sound insulation wall 1, since the wire 7 is disposed in the space formed inside the sound insulation wall 1 by the wire groove 5 and the insertion hole 6, an accessory for covering the wire 7 is attached to the outside of the sound insulation wall 1. Therefore, it is possible to prevent the sound insulating plate 4 from falling and prevent the column 2 from rotating.
[0018]
In addition, the position where the sound insulation plate having the wire groove 5 is arranged is not limited to the uppermost stage. You may make it raise the intensity | strength of the whole sound insulation wall. However, if only the sound insulation plate 4a arranged at the uppermost stage of the sound insulation wall 1 is a sound insulation board having the wire groove 5, the headboard can be attached only by replacing the uppermost sound insulation board in the conventional sound insulation wall already installed. Therefore, it is possible to prevent the sound insulation plate from falling and to prevent the column from rotating.
[0019]
The sound insulating plate 4 is provided with a wire insertion portion 8 formed by screwing a plurality of I bolts into the surfaces 46, 46 arranged on the side. A plurality of sound insulating plates 4 stacked in the vertical direction are integrally connected via a second wire 9 inserted through the wire insertion portion 8.
[0020]
If it carries out like this, the sound insulation board of an up-down direction will be connected and integrated, the installation state of the sound insulation board 4 can be stabilized, and the fall prevention function of the sound insulation board 4 can be improved.
[0021]
In addition, although there is no restriction | limiting in the shape of the wire insertion part 8, By using it as an I volt | bolt, an insertion part can be easily provided only by screwing in a sound insulation board.
[0022]
4 to 5 show other specific examples in which the leaf spring 30 is attached to the sound insulating plate 4a arranged at the uppermost stage in the specific example. In the following description, parts that are substantially the same as those in the specific example are denoted by the same reference numerals, and the description thereof is simplified or omitted.
[0023]
The sound insulating plate 4 a ′ is a bent leaf spring having an outer dimension larger than the maximum dimension between the sound insulating plate 4 a ′ and the flange 22 of the H-shaped support 2 at the fitting portion 45 with the groove 3 of the H-shaped support 2. 30. As shown in FIG. 5, the leaf spring 30 is elastically deformed in a state in which the sound insulating plate 4 a ′ is fitted in the groove 3 of the H-type support 2, and the sound insulating plate 4 a ′ is pressure-bonded to the flange 22.
[0024]
If it carries out like this, the installation state of the sound insulation board 4 can be stabilized and the fall prevention function of the sound insulation board 4 can be improved.
[0025]
The leaf spring 30 is V-shaped, and is fixed to the sound insulating plate 4a ′ with one opposing piece 31 and elastically contacts the flange 22 of the H-shaped support 2 with the other piece 32.
[0026]
In this way, the leaf spring 30 can be easily attached to the sound insulation plate 4 a ′, and the sound insulation plate 4 a ′ can be prevented from being caught when the sound insulation plate 4 a ′ is fitted into the groove 3 of the H-type support 2. This improves the installation workability.
[0027]
The leaf spring 30 has a reinforcing portion 33 that extends from the tip of the piece 32 that contacts the flange 22 and contacts the piece 31 that is fixed to the sound insulating plate 4a ′. If it carries out like this, the elastic force to the direction which the leaf | plate spring 30 will expand can be strengthened, and sound insulation board 4a 'can be crimped | bonded to the flange 22 more strongly.
[0028]
【The invention's effect】
According to the sound insulation wall according to the present invention, since the wire is arranged in the space formed inside the sound insulation wall, the sound insulation plate is prevented from falling and the column is prevented from rotating without attaching an accessory for covering the wire outside the sound insulation wall. Can be achieved.
[0029]
According to the second aspect, in the conventional sound insulation wall to which the already installed headwood is attached, it is possible to prevent the sound insulation board from falling and prevent the column from rotating by simply replacing the uppermost sound insulation board without attaching the headboard. it can.
[0030]
According to the third aspect, it is possible to stabilize the installation state of the sound insulation plate and enhance the sound insulation plate fall prevention function.
[0031]
According to the fourth aspect, the leaf spring can be easily attached to the sound insulation plate, and the plate spring can be prevented from being caught when the sound insulation plate is fitted into the groove of the H-type support column. improves.
[0032]
According to the fifth aspect, by connecting the sound insulating plates in the vertical direction and connecting them together, it is possible to stabilize the installation state of the sound insulating plate and enhance the function of preventing the sound insulating plate from falling.
[0033]
According to the sixth aspect, the insertion portion can be provided simply by screwing into the sound insulating plate.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a specific example of a sound insulation wall according to the present invention and showing sound insulation plates arranged at the uppermost stage and the second stage of the sound insulation wall.
FIG. 2 is a longitudinal sectional view of a sound insulating plate arranged at the uppermost stage of the sound insulating wall.
FIG. 3 is a side view of the sound insulation wall.
FIG. 4 is a perspective view showing another specific example of the sound insulation wall according to the present invention and enlarging a main part of the sound insulation plate arranged at the uppermost stage of the sound insulation wall. .
FIG. 5 is a side view of the sound insulation wall.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Sound insulation wall 2 H-type support | pillar 3 Groove 4 Sound insulation board 4a Sound insulation board 5 arrange | positioned in the uppermost stage Wire groove 6 Insertion hole 7 Wire 8 Wire insertion part 9 Second wire 10 Wall surface 21 Web 22 Flange 30 Leaf spring 31 Piece 32 The other piece 44 The surface 45 arranged below The fitting portion 46 The surface arranged on the side

Claims (6)

In the type of sound insulation wall (1) in which the sound insulation plate (4) is fitted into the groove (3) of the opposite H-shaped support (2) and laminated,
The sound insulating plate (4) has a wire groove (5) extending in the same direction as the wall surface (10) on the lower surface (44),
The H-shaped support (2) has an insertion hole (6) that penetrates the web (21) at a position corresponding to the wire groove (5).
A sound insulation wall (1), wherein a wire (7) is inserted into the wire groove (5) and the insertion hole (6). The sound insulation wall according to claim 1, wherein the sound insulation plate (4a) arranged at the uppermost stage is a sound insulation plate having the wire groove (5). The sound insulating plate (4a) arranged at the uppermost stage is fitted to the fitting portion (45) with the groove (3) of the H-shaped support column (2). ) Having a bent leaf spring (30) having an outer dimension larger than the maximum dimension between the flanges (22), and the sound insulating plate (4a) is in a state where the leaf spring (30) is elastically deformed. The sound insulation wall according to claim 2, wherein the sound insulation wall is pressure-bonded to (22). The leaf spring (30) is V-shaped and is fixed to the sound insulating plate (4a) with one opposing piece (31), and the other piece (32) with the flange ( The sound insulation wall according to claim 3, wherein the sound insulation wall is adapted to be in elastic contact with 22). The sound insulating plate (4) has a wire insertion portion (8) on the side surfaces (46, 46) arranged on the side, and the second wire (9) inserted through the wire insertion portion (8). The sound insulation wall according to claim 1, wherein the plurality of sound insulation plates (4, 4...) Stacked in the vertical direction are connected. The sound insulation wall according to claim 5, wherein the wire insertion portion (8) is an I bolt.

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