JP5014176B2 - Soundproof device mounting structure - Google Patents

Description

  The present invention relates to a structure for mounting a soundproofing device fixedly disposed at the upper end of a soundproofing wall, in particular, the upper end of a pillar of the soundproofing wall, for the purpose of reducing noise generated on roads, railways, factories, etc. Proposes a technology that has an inexpensive structure and improved on-site workability.

As a conventional attachment structure of this type, for example, it is disclosed in Patent Document 1.
This is a structure in which a rail is laid along the soundproof wall at the top of the soundproof wall, and the soundproofing device is attached to the rail, either on the rail side or along the soundproofing device side on the support column. On the other hand, a hook-like groove is provided for insertion in a state in which a screwing means such as a bolt or nut is prevented from rotating and to be movable along the longitudinal direction,
The other side of the rail side or the soundproofing device side is provided with a hole for screwing the inserted screwing means such as the bolt or nut,
The screwing means such as a bolt or a nut is screwed with a screwing means such as a nut or a bolt to fix each vibration isolator side to the rail side,
Each side of the soundproofing device side and the rail side is fitted with a fitting groove formed on one side in the longitudinal direction of the soundproofing device side or rail side, and the soundproofing device side and the other side of the rail side are screwed together with bolts or nuts, etc. It is attached by means.
JP 2000-110119 A

  However, in this conventional technique, it is necessary to lay rails made of aluminum molds over the entire length between the columns, which increases the construction man-hours at the site, increases the rail cost, and is soundproofing. Since aluminum parts are also required for structural parts for fitting each side of the equipment side and the rail side, further increase in cost and increase in the number of parts are inevitable. In order to achieve this, it is necessary to displace the soundproofing device itself from the private side to the road side and to fit the fitting groove to one side of the rail. Since it is essential, there is a concern about the safety associated with high-altitude work on the private side, in addition to the unavoidable lower workability.

  The present invention was made to solve such problems of the prior art, and the object of the present invention is to secure a required soundproofing device safely with excellent workability. It is to provide a simple and inexpensive mounting structure for a soundproofing device that can be arranged.

  The mounting structure of the soundproofing device according to the present invention is a structure in which the soundproofing device that is an integral connection structure is fixedly disposed across the two columns at the upper end of the column of the soundproofing wall. At the upper end, each of the two angle brackets having a horizontal tongue and a vertical tongue is fixed by each horizontal tongue, and each of the vertical tongues of both angle brackets is brought into close contact with each other, or While standing upright with a slight gap, the bolt holes provided in each of the double straight tongue pieces are positioned so that they are aligned with each other on the surface of the vertical tongue pieces facing the road side and the private side respectively. , A fastening plate having a male screw or a female screw member located corresponding to the bolt hole is disposed, and end flat plates provided at both ends of the soundproofing device are attached to both vertical tongues on the respective columns, From the road side It is made as a clamping fixable by screwing the internal thread or the external thread member to the threaded member.

Here, preferably, the tightening plate including the screw member is configured by a clip-like bent member that integrally sandwiches the respective vertical tongue pieces.
On the other hand, the tightening plate including the screw member can be constituted by a flat member fixed or fixed to the private-side surface of each vertical tongue piece, instead of the above.

  In any of these cases, the screw member of the tightening plate can be a female screw member. In particular, in the latter case, the screw member of the tightening plate can be a male screw member that penetrates the bolt hole of the vertical tongue piece. You can also

  In the soundproof device mounting structure according to the present invention, the pair of angle brackets are fixed to the upper ends of the two columns with the horizontal tongue pieces, and the vertical tongue pieces of the angle brackets are fastened to the private surface. With the arrangement of the plate, the soundproofing device spanned on the two columns can be fastened and fixed to the vertical tongue piece, so that the soundproofing device can be fixed and arranged under a simple structure with few parts. The installation can be simplified and the workability can be greatly improved.

  Further, in this mounting structure, it is possible to eliminate the need for a rail made of extruded or drawn mold material extending over the two struts, and a fitting groove member made of extruded mold material, etc. Parts costs can be reduced effectively, and at the same time, the workability can be further improved.

  Furthermore, in this mounting structure, the end flat plates at both ends of the vibration isolator can be fastened and fixed to both vertical tongues on each column by screwing from the road side. Therefore, it becomes unnecessary for the worker to go out to the private side and work, and safety can be greatly improved together with workability.

  In addition, in this mounting structure, each horizontal tongue piece of the pair of angle brackets is fixed to the upper end of each column individually with bolts, nuts, etc. under mutual independence, so that these both angle brackets are welded, etc. Compared with the case where the sheet is fixed in advance and plated afterwards, there is an advantage that the welding cost is not required and the zinc plating at the time of supplying the material can be used as it is.

In such a mounting structure, when the fastening plate having the screw member is constituted by a clip-like bent member that sandwiches each vertical tongue piece integrally, the vertical tongue of the pair of angle brackets fixed on the support column. From the upper side of the piece, the angle brackets can be immediately associated with each other simply by fitting the clip-like bent members and sandwiching the two vertical tongue pieces.
In this case, it goes without saying that a bolt hole aligned with the bolt hole of the vertical tongue piece is formed in a portion of the clip-shaped bent member that opposes the portion where the screw member is disposed.

Here, when the screw member is a female screw member, the male screw member is screwed into the female screw member of the bent member from the road side through the bolt hole of the end flat plate of the soundproofing device and the bolt hole of the vertical tongue piece. By screwing in, the fastening plate is fastened to the vertical tongue piece, and the end flat plate and thus the soundproofing device can be firmly fastened and fixed to the two vertical tongue pieces.
By the way, such tightening and fixing of the soundproofing device is performed by screwing male screw members at a plurality of locations to increase tightening strength and position accuracy of the soundproofing device, and to install a plurality of soundproofing devices continuously. This is preferable.

  Further, the tightening plate provided with the screw member can be constituted by a flat member fixed or fixed to the private-side surface of each vertical tongue piece, instead of the above-described case. Similarly, the tightening plate can sufficiently contribute to the tightening and fixing of the soundproofing device from the road side. This is the same whether the screw member of the tightening plate is a female screw member or not. It is.

  Here, when the screw member of the fastening plate is a male screw member, and the tip portion of the male screw member protrudes from the bolt hole of the vertical tongue piece with the fastening plate fixed or fixed, the soundproofing device By fitting the bolt hole of the end flat plate to the protruding tip portion of the male screw member, the soundproofing device can be positioned easily and quickly.

  FIG. 1 is a side view showing an embodiment of the present invention when a pillar of a soundproof wall is viewed in its alignment direction. In FIG. 1, 1 shows a pillar made of H-shaped steel. The road side is the noise generation side, and the right side of the figure is the private side that needs to reduce the generated noise.

  This mounting structure shown in the figure is such that each of the horizontal tongues of the two angle brackets 3, 4 having a horizontal tongue piece and a vertical tongue piece on each of a pair of top end angles 2 a, 2 b provided at the upper end of the column 1. The pieces 3a and 4a are fixed by, for example, bolts and nuts 5 and 6, and the vertical tongue pieces 3b and 4b of the two angle brackets 3 and 4 are positioned so as to be in close contact with each other, for example, back to back, and Bolt holes 3c, 4c provided in each of the tongue pieces 3b, 4b are positioned so as to be aligned with each other, and the people of the vertical tongue pieces 4b, 3b in the mounting postures facing the road side and the private side respectively. On the surface of the ground side, in the figure, the surface of the vertical tongue piece 3b, a tightening plate 8 having a screw member, for example, a female screw member 7, located corresponding to the bolt holes 3c, 4c is disposed. , End flat plates 10 provided at both ends of the soundproofing device 9 straddling the two struts 1, for example, one bent flat portion of the angle is screwed into the female screw member 7 from the road side. By fastening, it is possible to fasten and fix to both vertical tongue pieces 3b, 4b on each support column 1.

  For this purpose, it is necessary that the end flat plate 10 of the soundproofing device 9 has bolt holes (not shown) aligned with the bolt holes 3c and 4c.

  By the way, in realizing such a mounting structure, first, as illustrated in FIG. 2, the top end angles 2a and 2b of the support column 1 are respectively shown in FIGS. 2B and 2C. In addition, the horizontal tongue piece 3a of the angle bracket 3 and the horizontal tongue piece 4a of the angle bracket 4 which are separate from each other are individually fixed by bolts and nuts 5 and 6, and the vertical tongue pieces 3b and 4b are respectively fixed. The required back-to-back posture as described above is brought about.

In the figure, reference numeral 11 denotes a fall prevention wire, and this fall prevention wire 11 is indirectly connected to the soundproof device 9 and functions to prevent its unexpected fall when the soundproof device 9 is damaged or the like. To do.
By the way, the illustrated fall prevention wire is disposed so as to penetrate through the horizontal tongue piece 3a of the angle brat 3, and is prevented from coming off from the horizontal tongue piece 3a by a large diameter portion 11a fixed by caulking to the end portion. .

  Further, 12 in FIG. 2 (c) denotes a sound insulating plate attached to the horizontal tongue piece 3a of the angle bracket 3 by bolts and nuts prior to the attachment of the angle bracket 4 to the top end angle 2b. Like the soundproofing device 9, it extends between the two struts 1 and functions to prevent leakage of noise passing through the lower side of the soundproofing device 9.

After the respective angle brackets 3 and 4 are attached as described above, a fastening plate 8 made of a clip-like bent member as illustrated in FIG. 3 is fitted from the upper ends of both vertical tongue pieces 3b and 4b. The female screw member 7 of the fastening plate 8 is positioned so as to correspond to the bolt holes 3c, 4c of the vertical tongue pieces 3b, 4b.
The fastening plate 8 formed of a clip-like bent member is provided on the surface of the vertical tongue pieces 3b and 4b on the road side, in the figure, on the surface of the vertical tongue piece 4b. It has a bolt hole 8a positioned in alignment with the bolt holes 3c, 4c of the pieces 3b, 4b.

  According to such a mounting structure, the soundproofing device 9 has a very simple structure without the need for a rail made of a mold material, a fitting groove member made of a mold material, or the like straddling the two columns 1. The end flat plate 10 of the soundproofing device 9 can be simply and quickly tightened and secured to the vertical tongues 3b and 4b on the respective columns 1 only by screwing from the road side.

  The soundproofing device 9 fastened and fixed to the vertical tongue pieces 3b and 4b as described above is connected to the fall prevention wire 11 via another fall prevention wire 13.

  FIG. 4 is a front view and a plan view as seen from the road side showing the mounting state of the soundproofing device 9 that is fixedly arranged across the two struts 1 as described above. A front cover for concealing a gap between adjacent soundproofing devices 9 and a flat soundproofing plate 15 for preventing leakage of noise from between the end flat plates 10 of the adjacent soundproofing devices 9 are shown.

FIG. 5 is a view showing a modified example of the fastening plate, which shows the fastening plate 16 having the female screw member 7 in the figure, the surface on the private side of each vertical tongue piece 3b, 4b, in the figure the vertical tongue. It is constituted by a flat member fixed to the surface of the piece 3b by, for example, a bolt / nut 17.
The tightening plate 16 serving as a flat member can be fixed to the vertical tongue 3b by welding, bonding or the like.

  Incidentally, although the screw member is the female screw member 7 as shown in FIG. 5, the screw member is replaced with the female screw member 7 and is a male screw member that penetrates the bolt holes 3 c and 4 c of the vertical tongue pieces 3 b and 4 b. You can also.

  Even if the fastening plate is changed in this way, the soundproofing device 9 can be fastened and fixed in the same manner as in the previous case.

It is a side view which shows embodiment of this invention. It is process drawing which shows the structure side of the attachment structure of FIG. It is a figure which illustrates the clamping plate used for the attachment structure of FIG. It is a figure which shows the attachment state of a soundproofing device. It is a figure which shows the modification of a clamping plate.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Support | pillar 2a, 2b Top end angle 3, 4 Angle bracket 3a, 4a Horizontal tongue piece 3b, 3b Vertical tongue piece 3c, 4c, 8a Bolt hole 5, 6, 17 Bolt / nut 7 Female thread member 8, 16 Tightening plate 9 Soundproofing Device 10 End flat plate 11, 13 Fall prevention wire 12, 15 Sound insulation plate 14 Front cover

Claims (5)

At the upper end of the pillar of the soundproof wall, it is a mounting structure of the soundproofing device fixedly arranged across the two pillars,
At the upper end of each column, each of the two angle brackets with a horizontal tongue and a vertical tongue is fixed by each horizontal tongue so that each vertical tongue of both angle brackets stands upright back to back. The bolt holes provided in each of the vertical tongue pieces are positioned so as to be aligned with each other, and correspond to the bolt holes on the private side surfaces of the vertical tongue pieces facing the road side and the private side, respectively. Fastening plates having screw members positioned at the same position are arranged, and the flat end plates at both ends of the soundproofing device are fastened to both vertical tongues on the respective columns to the screw members from the road side. The mounting structure of the soundproofing device that can be fixed by tightening.   2. The soundproof device mounting structure according to claim 1, wherein the fastening plate including the screw member is constituted by a clip-shaped bent member that integrally sandwiches the respective vertical tongue pieces.   2. The soundproof device mounting structure according to claim 1, wherein the fastening plate including the screw member is constituted by a flat member fixed or fixed to a private-side surface of each vertical tongue piece.   4. The soundproof device mounting structure according to claim 2, wherein the screw member of the tightening plate is a female screw member.   4. The soundproof device mounting structure according to claim 3, wherein the screw member of the tightening plate is a male screw member.

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