JP6856216B2 - Sound insulation panel reinforcement metal fittings and sound insulation panel reinforcement method - Google Patents

Description

The present invention relates to a reinforcing metal fitting for a sound insulating panel and a method for reinforcing the sound insulating panel, which are attached to a support column of the sound insulating wall and are formed with a plurality of louvers at intervals to prevent the sound insulating panel from falling off.

Conventionally, in order to shield (sound insulation) noise from noise sources such as highways, railroad tracks, and factories, sound insulation panels such as metal sound absorbing plates and concrete sound insulating plates are inserted into the flanges of columns made of H-shaped steel or the like. A sound insulation wall is installed.

Since the sound insulation panel of such a sound insulation wall is attached to the flange of H-shaped steel as a support column with bolts or the like, there is a risk that the sound insulation panel may fall off from the support column due to aged deterioration of the bolts or the like. In addition, since the length of the sound insulation panel of the sound insulation wall extends from several tens of kilometers to several hundreds of kilometers, it takes an enormous amount of time to newly install all of the sound insulation panels in order to prevent them from falling off due to aged deterioration of bolts and the like. There was a problem of hanging. Therefore, in order to prevent the sound insulation panel from falling off, there is a demand for a material that can be easily installed.

The disclosed techniques of Patent Documents 1 and 2 have been proposed as metal fittings to be attached to a sound insulation wall.

In the method for refreshing the soundproof wall disclosed in Patent Document 1, a locking tool is locked to the hole edge of the perforated plate on the surface of the existing soundproof wall, and the locking tool is used to lock the new perforated plate on the surface of the existing perforated plate. It is characterized by fixing.

However, the method of refreshing the soundproof wall disclosed in Patent Document 1 involves attaching a new perforated plate to the existing perforated plate via a locking tool, and there is a problem that the existing soundproof wall cannot be prevented from falling off. There was a point.

The member mounting base disclosed in Patent Document 2 includes a hook portion and a support portion, and a member mounting portion is formed on at least one of the hook portion and the support portion, and a plate-shaped portion constituting a soundproof wall surface. The hook portion is inserted into the first mounting hole and hooked on the plate-shaped portion with respect to the first and second mounting holes bored through the plate-shaped portion at at least two places of the above. The support portion is inserted into the second mounting hole, and the plate-shaped portion is fitted into the groove portion provided in the support portion, and the first and second mounting holes are provided between the hook portion and the groove portion. It is characterized in that it is fixed to a soundproof wall surface by sandwiching a plate-shaped portion between them.

However, although the member mounting base disclosed in Patent Document 2 can be attached to and detached from the soundproof wall surface, there is a problem that the soundproof wall surface cannot be prevented from falling off.

JP-A-2002-206211 Japanese Unexamined Patent Publication No. 2005-232823

Therefore, the present invention has been devised in view of the above-mentioned problems, and the purpose of the present invention is to enable easy construction on site and to provide an existing sound insulation panel attached to a support of a sound insulation wall. It is an object of the present invention to provide a reinforcing metal fitting for a sound insulation panel and a method for reinforcing the sound insulation panel, which can prevent the sound insulation panel from falling off.

The sound insulation panel reinforcing metal fitting according to the first invention is a sound insulating panel reinforcing metal fitting that is attached to a support of a sound insulation wall and prevents the sound insulation panel in which a plurality of louvers are formed from falling off with a gap, and is a support. A mounting member attached to each sound insulation panel provided on both sides via the louver and a connecting member for connecting the mounting members are provided, and the mounting member is inserted into a gap between louvers and from the inside of the sound insulation panel. It has a hooking portion that is hooked to the louver and a fixing portion that is continuously provided on the hooking portion and is arranged on the outside of the sound insulation panel. It is characterized in that it is fixed to the fixing portion in the mounting member of the above.

In the first invention, the sound insulating panel reinforcing metal fitting according to the second invention has the hooking portion continuous with the upper hooking portion provided continuously on the upper end side of the fixing portion and the lower end side of the fixing portion. and a lower latching portion provided Te, wherein the upper side interlocking part and the lower hook portion is hooked to a different louver.

The method for reinforcing the sound insulation panel according to the third invention is a method for reinforcing the sound insulation panel, which is attached to a support column of the sound insulation wall and prevents the sound insulation panel in which a plurality of louvers are formed from falling off with a gap. Each of the sound insulating panels provided on both sides of the louver is provided with a mounting step of mounting the mounting member and a connecting step of connecting the mounting members mounted in the mounting step with a connecting member. The hooking portion of the mounting member is inserted into the gap between the louvers and hooked to the louver from the inside of the sound insulation panel, and the fixing portion of the mounting member continuously provided on the hooking portion is arranged on the outside of the sound insulation panel. The connecting step is characterized in that the connecting member is brought into contact with the support column and the fixing portion of each of the mounting members and the connecting member are fixed.

According to the first to third inventions, a mounting member attached to each sound insulation panel provided on both sides in the stretching direction via a support column and a connecting member for connecting the mounting members are provided, and the connecting member is attached to the support column. At the same time as being abutted, it is fixed to the fixing portion of each mounting member. As a result, according to the first to third inventions, even if the fixture or the like for attaching the sound insulation panel to the support column is detached due to aged deterioration or the like, the state in which the connecting material is in contact with the support column is maintained. This makes it possible to prevent the sound insulation panel from falling off from the support column.

Further, according to the first to third inventions, the connecting member is fixed to the fixing portion by screwing the nut to the bolt of the mounting member attached to the sound insulation panel. Therefore, according to the first to third inventions, it is possible to prevent the sound insulation panel from falling off while being able to be easily installed without newly installing a sound insulation panel that is likely to fall off from the support column. Become.

In particular, according to the second invention, since the upper end hooking portion and the lower end hooking portion are hooked to different louvers, the mounting member can be more firmly mounted on the sound insulation panel.

It is a perspective view which shows the sound insulation wall provided with the reinforcing metal fitting of the sound insulation panel to which this invention is applied. It is an enlarged perspective view which shows the sound insulation wall provided with the reinforcing metal fitting of the sound insulation panel to which this invention is applied. It is a top view which shows the sound insulation wall provided with the reinforcing metal fitting of the sound insulation panel to which this invention is applied. (A) is a side view which shows the sound insulation panel to which the reinforcing metal fitting of the sound insulation panel to which this invention is applied is attached, and (b) is the figure which shows the M part of (a). It is a side view of the sound insulation wall provided with the reinforcing metal fitting of the sound insulation panel to which this invention is applied. It is a perspective view which shows the mounting member of the reinforcing metal fitting of a sound insulation panel to which this invention is applied. It is a perspective view which shows the connecting material of the reinforcing metal fitting of a sound insulation panel to which this invention is applied. It is a side view which shows the state which attached the attachment member to the sound insulation panel in the method of reinforcing a sound insulation panel to which this invention was applied. It is a side view which shows the state which the connecting material was inserted into a bolt in the method of reinforcing a sound insulation panel to which this invention was applied. It is a side view which shows the state which the connecting material was fixed to the fixing part in the method of reinforcing a sound insulation panel to which this invention was applied. It is a photograph which shows the specimen before the test. (A) is a photograph showing the test body after the test, and (b) is an enlarged photograph showing the sound insulation panel to which the impact was applied.

Hereinafter, embodiments of a sound insulation panel reinforcing metal fitting and a method for reinforcing the sound insulating panel to which the present invention is applied will be described in detail with reference to the drawings.

As shown in FIG. 1, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is for preventing the sound insulation panel 99 attached to the support column 91 of the sound insulation wall 9 from falling off.

The sound insulation wall 9 is provided between a plurality of columns 91 provided at predetermined intervals along the road or the like and the plurality of columns 91 in order to shield (sound insulation) noise from noise sources such as highways, railroad tracks, and factories. It has a sound insulation panel 99 provided. The horizontal direction in which the plurality of columns 91 are separated is defined as the stretching direction X, the direction horizontally orthogonal to the stretching direction X is defined as the stretching orthogonal direction Y, and the height direction Z is defined.

As shown in FIGS. 2 and 3, for example, H-shaped steel is used for the support column 91, and the support column 91 is formed so as to extend in the height direction Z. The strut 91 has a pair of flanges 92 and a web 93 connecting the pair of flanges 92. In the support column 91, the end portion 99a of the sound insulation panel 99 in the extending direction X is arranged in the pair of flanges 92.

As the sound insulation panel 99, for example, a metal sound insulation plate is used, and as shown in FIG. 1, the sound insulation panel 99 is provided in a plurality of stages in the height direction Z. As shown in FIGS. 2 and 3, the sound insulation panels 99 are provided on both sides of the web 93 in the support column 91 in the stretching direction X, respectively.

As shown in FIG. 4A, a general-purpose product is used for the sound insulation panel 99, and a plurality of slits are horizontally cut in a front plate 99b such as an aluminum plate having a thickness of about 1 mm, and a plate portion adjacent to the slits is cut. Is bent back and forth to form a plurality of louvers 97 with a gap 98 in the height direction Z. In the sound insulating panel 99, the sound absorbing material 99d is arranged between the front plate 99b and the back plate 99c, and the noise transmitted through the gap 98 between the louvers 97 is sound-insulated by the sound absorbing material 99d. The sound insulation panel 99 is arranged so that the front plate 99b faces the road side, which is a noise source.

As shown in FIG. 4B, the sound insulation panel 99 is formed by inclining a plurality of louvers 97 with respect to the front plate 99b. When the sound insulation panel 99 is defined as the inner side α and the outer side β with the front plate 99b as a boundary, the upper end of the louver 97 is arranged on the inner side α of the sound insulation panel 99, and the lower end of the louver 97 is arranged on the outer side β of the sound insulation panel 99. Will be done.

In the sound insulation panel 99, as shown in FIG. 3, the front plate 99b is in contact with one flange 92, and the back plate 99c is separated from the other flange 92. The sound insulation panel 99 is attached to the support column 91 by bringing the front plate 99b into contact with the one flange 92 between the other flange 92 and the back plate 99c via a fixture 94 such as a bolt or a spacer. The sound insulation panel 99 needs to be prevented from falling off from the support column 91 when the fixture 94 or the like comes off from the sound insulation panel 99 and the flange 92 due to deterioration over time, for example.

As shown in FIG. 2, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is a mounting member 2 attached to each sound insulating panel 99 provided on both sides in the extending direction X via a support column 91, and the mounting members 2 are attached to each other. It is provided with a connecting material 3 for connecting the above.

As shown in FIG. 5, the mounting member 2 is continuously connected to the hooking portion 21 which is inserted into the gap 98 between the louvers 97 and is hooked to the louver 97 from the inside α of the sound insulation panel 99. It has a fixing portion 25 provided and arranged on the outer side β of the sound insulation panel 99.

As shown in FIG. 6, the mounting member 2 is inserted into the main body portion 2a formed by bending a single steel plate having holes 2c formed therein and the holes 2c of the steel plate, and is welded and fixed in advance to the main body portion 2a. It is composed of a bolt 2b.

The mounting member 2 has hooking portions 21 formed at two locations. The hooking portion 21 has an upper end hooking portion 22 formed on the upper end side of the main body portion 2a and a lower end hooking portion 23 formed on the lower end side of the main body portion 2a. At this time, as shown in FIG. 5, the hooking portion 21 has an upper end hooking portion 22 continuously provided on the upper end side of the fixing portion 25 and a lower end hooking portion continuously provided on the lower end side of the fixing portion 25. It will have a portion 23.

As shown in FIG. 6, the upper end hooking portion 22 includes a hooking piece 22a formed by bending the end portion of a steel plate, an inclined portion 22b formed by bending the hooking piece 22a, and an inclined portion 22b. It has a protruding portion 22c formed by being bent from.

The lower end hook portion 23 is formed by bending a hook piece 23a formed by bending the end portion of a steel plate, an inclined portion 23b formed by bending the hook piece 23a, and bending the inclined portion 23b. It has a protruding portion 23c.

The lower end hooking portion 23 is formed with a notch portion 24 having a notch substantially at the center in the width direction of the main body portion 2a, and the notch portion 24 is formed so that the head of the bolt 2b can be inserted.

The fixing portion 25 is configured by welding and fixing bolts 2b to the perforated plate portion 25a in which the holes 2c of the main body portion 2a are bored. The perforated plate portion 25a is formed by being bent from the protruding portion 22c of the upper end hooking portion 22 and by being bent from the protruding portion 23c of the lower end hooking portion 23.

In the mounting member 2, as shown in FIG. 5, the hooking piece 22a of the upper end hooking portion 22 is hooked on the louver 97. Here, among the louvers 97, the louver 97 to which the hook piece 22a of the upper end hook portion 22 is hooked is the louver 97-1, and the louvers 97 formed below the louver 97 are the louver 97-2 and the louver 97-. 3, ... Further, the gap 98 of the louver 97-1 and the louver 97-2 is referred to as a gap 98-1, the gap 98 of the louver 97-2 and the louver 97-3 is referred to as a gap 98-2, and hereinafter, the gap 98-3 and the gap 98- 4, ...

The inclined portion 22b of the upper end hooking portion 22 is inserted into the gap 98-2 of the louver 97-2 and the louver 97-3, and the hooking piece 22a is hooked to the louver 97-1 from the inside α of the sound insulation panel 99. Further, in the lower end hooking portion 23, the inclined portion 23b is inserted into the gap 98-4 between the louver 97-4 and the louver 97-5, and the hooking piece 23a is hooked from the inside α of the sound insulation panel 99 to the louver 97-4. Be done.

In the fixing portion 25, since the protruding portion 22c of the upper end hooking portion 22 and the protruding portion 23c of the lower end hooking portion 23 extend toward the outer side β of the sound insulation panel 99, the head of the bolt 2b is formed by the perforated plate portion 25a and the louver. It will be placed between 97-4.

As shown in FIG. 7, the connecting member 3 is formed by using a steel plate and extending in the stretching direction X as the longitudinal direction. In the connecting member 3, both ends in the lateral direction are bent in the same direction to form the contact portion 3a.

In the connecting member 3, elongated holes 3b extending in the longitudinal direction are formed on both end sides in the longitudinal direction. As shown in FIG. 5, the connecting member 3 is fixed to the fixing portion 25 by inserting the bolt 2b into the hole 3b and screwing the nut 3c into the bolt 2b. At this time, the contact portion 3a of the connecting member 3 is brought into contact with the flange 92 of the support column 91.

As the connecting material 3, a material having a bending strength higher than that of the louver 97 is used. Therefore, the connecting member 3 is fixed to the fixing portion 25 in a state of extending in the stretching direction X. That is, in the connecting member 3, the nut 3c is screwed into the bolt 2b inserted into the hole 3b, so that the louver 97 is curved in the extending orthogonal direction Y by the hooking portion 21, and the outside of the sound insulation panel 99. It is fixed to the fixing portion 25 in a state of being attracted toward β. At this time, the louvers 97-1 and the louvers 97-2 are curved in the extending orthogonal direction Y by the upper end hooking portion 22, and are attracted toward the outer side β of the sound insulation panel 99. Further, the louver 97-4 is curved in the extending orthogonal direction Y by the lower end hooking portion 23, and is attracted toward the outer side β of the sound insulation panel 99.

Next, a method for reinforcing the sound insulation panel to which the present invention is applied will be described.

In the method for reinforcing the sound insulation panel to which the present invention is applied, a mounting step of mounting the mounting member 2 on each sound insulating panel 99 provided on both sides in the extending direction X via the support column 91 and a mounting member mounted in the mounting step are provided. It is provided with a connecting step of connecting the two to each other with the connecting material 3.

In the mounting step, first, as shown in FIG. 8, the hooking portion 21 of the mounting member 2 is inserted into the gap 98 between the louvers 97 and hooked from the inside α of the sound insulation panel 99 to the louver 97 to fix the mounting member 2. The portion 25 is arranged on the outer side β of the sound insulation panel 99.

Specifically, in the mounting process, the hook piece 22a of the upper end hook portion 22 is inserted into the gap 98-2 of the louver 97-2 and the louver 97-3 and hooked to the louver 97-1 from the inside of the sound insulation panel 99. .. At this time, the inclined portion 22b of the upper end hooking portion 22 is arranged in a state of being inserted into the gap 98-2.

Further, in the mounting step, the hook piece 23a of the lower end hook portion 23 is inserted into the gap 98-4 of the louvers 97-4 and 97-5 and hooked to the louver 97-4 from the inside of the sound insulation panel 99. At this time, the inclined portion 23b of the lower end hooking portion 23 is arranged in a state of being inserted into the gap 98-4.

Next, in the connecting step, as shown in FIGS. 9 and 10, the connecting member 3 is brought into contact with the support column 91, and the fixing portion 25 of each mounting member 2 and the connecting member 3 are fixed.

In the connecting step, as shown in FIG. 9, the bolt 2b of the fixing portion 25 is inserted into the hole 3b of the connecting member 3. At this time, the contact portion 3a of the connecting member 3 is in contact with the flange 92 of the support column 91.

Then, in the connecting step, as shown in FIG. 10, the fixing portion 25 of the mounting member 2 and the connecting member 3 are fixed by screwing the nut 3c to the bolt 2b. In the connecting step, it is fixed to the fixing portion 25 in a state of extending in the stretching direction X. That is, in the connecting step, the nut 3c is screwed into the bolt 2b inserted into the hole 3b of the connecting member 3, so that the louver 97 is curved by the hooking portion 21 in the extending orthogonal direction Y, and the sound insulation panel 99 Pull towards the outer β of. At this time, in the connecting step, the louvers 97-1 and 97-2 are curved in the extending orthogonal direction Y by the upper end hooking portion 22 and pulled toward the outer side β of the sound insulation panel 99. Further, the louver 97-4 is curved in the extending orthogonal direction Y by the lower end hooking portion 23 and pulled toward the outer side β of the sound insulation panel 99 to complete the method for reinforcing the sound insulation panel to which the present invention is applied.

As shown in FIGS. 3 and 5, the sound insulating panel reinforcing metal fitting 1 to which the present invention is applied is attached to the mounting member 2 attached to each sound insulating panel 99 provided on both sides in the extending direction X via the support column 91. A connecting member 3 for connecting the members 2 to each other is provided, and the connecting member 3 is brought into contact with the support column 91 and fixed to the fixing portion 25 of each mounting member 2. As a result, in the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied, the connecting member 3 comes into contact with the support column 91 even if the mounting tool 94 or the like for attaching the sound insulation panel 99 to the support column 91 is detached due to aged deterioration or the like. This state is maintained, and it is possible to prevent the sound insulation panel 99 from falling off from the support column 91.

Further, in the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied, the connecting member 3 is fixed to the fixing portion 25 by screwing the nut 3c to the bolt 2b of the mounting member 2 attached to the sound insulation panel 99. Therefore, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied can prevent the sound insulation panel 99 from falling off without newly installing the sound insulation panel 99 that is likely to fall off from the support column 91. Further, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied can be easily installed.

The sound insulation panel reinforcing metal fitting 1 to which the present invention is applied can be operated from the noise source side (for example, the road side) by fixing the connecting member 3 to the fixing portion 25 at the outer β of the sound insulation panel 99. Become. That is, when the sound insulation wall 9 is provided on the road or the like in the elevated portion, it cannot wrap around to the back side thereof. However, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is the back surface of the road in the elevated portion. Since it is not necessary to wrap around to the side and the work can be performed from the road side of the elevated portion, even if the sound insulation wall 9 is provided on the elevated portion, the sound insulation panel 99 can be prevented from falling off from the support column 91. Is possible.

The reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied has a hooking portion 21 in which the mounting member 2 is inserted into the gap 98 between the louvers 97 and is hooked to the louver 97 from the inside α of the sound insulation panel 99. As a result, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is hooked to the louver 97 of the sound insulation panel 99 on which the impact acts when an impact due to a collision of a vehicle or the like acts on one of the sound insulation panels 99. The hooking portion 21 of the mounting member 2 of the above cuts the louver 97. At this time, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is the hooking portion 21 of the mounting member 2 attached to the other sound insulation panel 99 adjacent to the one sound insulation panel 99 on which the impact is applied in the extending direction X. Is held in a state of being hooked to the louver 97 of the other sound insulation panel 99, and the mounting member 2 is attached to the other sound insulation panel 99.

As described above, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is attached to one sound insulation panel 99 when an impact due to a collision of a vehicle or the like acts on the other sound insulation panel 99 on which the impact does not act. Therefore, it is possible to prevent the mounting member 2 and the connecting member 3 from being scattered on the road or the like. As a result, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied can prevent, for example, the traveling of a vehicle or the like following the vehicle or the like that has collided with the sound insulation panel 99 in advance from being hindered.

In the sound insulation panel reinforcing metal fitting 1 to which the present invention is applied, since the upper end hooking portion 22 and the lower end hooking portion 23 are hooked to different louvers 97, the mounting member 2 is more firmly mounted on the sound insulating panel 99. Become.

In the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied, the upper end hooking portion 22 inserted into the gap 98-2 of the louver 97-2 and the louver 97-3 is hooked to the louver 97-1, and the louver 97-4 is applied. And the lower end hooking portion 23 inserted into the gap 98-4 of the louver 97-5 is hooked to the louver 97-4. As described above, the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied is hooked to the louver 97-1 that does not form the gap 98-2 through which the upper end hooking portion 22 is inserted, while the lower end hooking portion 23 is hooked. It is hooked on the louver 97-4 forming the inserted gap 98-4.

That is, in the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied, the upper end hooking portion 22 hooked on the louver 97-1 and the lower end hooking portion 23 hooked on the louver 97-4 undergo different operations to insulate sound. It will be attached to or removed from the panel 99. Therefore, in the sound insulation panel reinforcing metal fitting 1 to which the present invention is applied, when the reinforcing metal fitting 1 of the sound insulation panel vibrates in the horizontal direction or the height direction Z due to the passage of a vehicle or the like, the upper end hooking portion 22 and the lower end hooking portion 23 fall off at the same time. It becomes possible to prevent.

Although the examples of the embodiments of the present invention have been described in detail above, the above-described embodiments are merely examples of the embodiment of the present invention, and the technical aspects of the present invention are based on these. The scope should not be construed in a limited way.

The present inventors prepared a test body and conducted a test for confirming the behavior of the reinforcing metal fitting of the sound insulation panel when an impact was applied to the sound insulation panel.

FIG. 11 is a photograph showing a test body before the test. The test body was manufactured by using four H-shaped steel columns and three sound insulation panels on which a plurality of louvers were formed. The test body is manufactured by providing a sound insulation panel between each column, attaching a mounting member to each sound insulating panel, and connecting the mounting members with a connecting material. In the test body, the hooking portion of the mounting member is inserted into the gap between the louvers and hooked to the louver from the inside of the sound insulation panel.

In the test, of the three sound insulation panels arranged so that the louvers face upward, a weight of 30 kg was dropped from a predetermined height with respect to the sound insulation panel arranged in the center, thereby impacting the sound insulation panel. Was given, and the behavior of the reinforcing metal fittings of the sound insulation panel was confirmed.

FIG. 12A is a photograph showing a test piece after the test. Further, FIG. 12B is an enlarged photograph showing the sound insulation panel to which the impact was applied.

As shown in FIG. 12 (a), while the mounting member attached to the impacted sound insulation panel is detached from the sound insulation panel, the hooking portion of the mounting member attached to the non-impacted sound insulation panel is It was held in a state of being hung on the louver of the sound insulation panel, and was attached to the other sound insulation panel. Further, the connecting material was deformed with the support column as a fulcrum.

Further, as shown in FIG. 12B, when an impact acts on the sound insulation panel, the louver is cut by the hooking portion of one of the mounting members that is hooked on the louver of the sound insulation panel on which the impact acts. It was.

From this test, it was confirmed that the reinforcing metal fittings of the sound insulation panel are attached to the other sound insulation panel on which the impact is not applied when the impact due to the collision of a vehicle or the like acts on one of the sound insulation panels. .. Therefore, it has been confirmed that the reinforcing metal fitting 1 of the sound insulation panel to which the present invention is applied can prevent the sound insulation panel from being scattered on the road or the like when an impact acts on the sound insulation panel.

1: Sound insulation panel reinforcing metal fittings 2: Mounting member 2a: Main body 2b: Bolt 2c: Hole 21: Hooking part 22: Upper end hooking part 22a: Hooking piece 22b: Inclined part 22c: Protruding part 23: Lower end hooking Part 23a: Hook piece 23b: Inclined part 23c: Protruding part 24: Notch part 25: Fixing part 25a: Perforated plate part 3: Connecting material 3a: Contact part 3b: Hole 3c: Nut 9: Sound insulation wall 91: Support column 92 : Flange 93: Web 94: Mounting tool 97: Louver 98: Gap 99: Sound insulation panel 99a: End 99b: Front plate 99c: Back plate 99d: Sound absorbing material X: Stretching direction Y: Stretching orthogonal direction Z: Height direction α : Inside β: Outside

Claims (3)

It is a reinforcing metal fitting for the sound insulation panel that is attached to the support of the sound insulation wall and prevents the sound insulation panel from which multiple louvers are formed from falling off with a gap.
A mounting member attached to each sound insulation panel provided on both sides via a support column and a connecting member for connecting the mounting members to each other are provided.
The mounting member is a hooking portion that is inserted into a gap between the louvers and is hooked to the louver from the inside of the sound insulation panel, and a fixing portion that is continuously provided on the hooking portion and arranged on the outside of the sound insulation panel. And have
A reinforcing metal fitting for a sound insulation panel, characterized in that the connecting member is brought into contact with a support column and is fixed to the fixing portion of each of the mounting members. The hook portion includes an upper hook portion which is provided continuously to the upper end of the fixed portion, and a lower latching portion provided continuously to the lower end of the fixed portion, the upper side hanging reinforcing bracket of sound insulation panel according to claim 1, wherein the stopper portion and the lower engaging portion is hooked to a different louver. It is a method of reinforcing the sound insulation panel to prevent the sound insulation panel, which is attached to the support of the sound insulation wall and has multiple louvers formed with a gap, from falling off.
It includes a mounting step of attaching mounting members to each sound insulating panel provided on both sides via a support column, and a connecting step of connecting the mounting members mounted in the mounting step with a connecting member.
In the mounting step, the hooking portion of the mounting member is inserted into the gap between the louvers and hooked to the louver from the inside of the sound insulation panel, and the fixing portion of the mounting member continuously provided on the hooking portion is sound-insulated. Place it on the outside of the panel
A method for reinforcing a sound insulation panel, which comprises bringing the connecting member into contact with a support column and fixing the fixing portion of each of the mounting members and the connecting member in the connecting step.

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