JP6518431B2 - Soundproof panel - Google Patents

Description

  The present invention relates to a soundproof panel used by being attached to a temporary enclosure or the like used in a construction site, a material storage area or the like.

  Conventionally, at construction sites and material storage areas, noise is generated during foundation work and loading and unloading work, etc. This noise leaks outside the temporary enclosure surrounding the construction site and material storage areas, and nearby residents and passers-by The noise was reflected by the temporary enclosure board at the construction site and the storage area, causing discomfort to the workers.

  Therefore, as a temporary enclosure board for coping with such noise, for example, as shown in FIGS. (Patent Document 1).

  And this temporary enclosure board bends the both-sides edge of board main part 31, forms side piece 32, and while providing a plurality of through holes 33 in the suitable position of the upper part, middle part, and lower part of side piece 32, furthermore side. The body 32 is bent to form a bent portion 34.

  As shown in FIG. 14, the conventional temporary enclosure board configured in this manner is lined up with a plurality of horizontal frames 42 of a support framework 41 provided on the outer periphery of a construction site or a material storage area. The support framework 41 is formed by butting the side members 32 to each other, passing the wire 35 through the through holes 33 of the side members 32 adjacent to each other in the upper, middle and lower portions and respectively winding the wires 35 around the horizontal frame 42. To the construction site and storage area.

Patent No. 3385428 gazette

  The above-mentioned conventional temporary enclosure board can absorb the noise generated in the construction site or the material storage area as much as possible by the soundproofing material S made of a soft vinyl chloride sheet provided on the back surface of the plate main body 31. Noise is less likely to leak out of the temporary enclosure board, and it is possible to reduce as much as possible the inconvenience to nearby residents and passersby, and the noise is absorbed without being reflected to the temporary enclosure board even in the construction site or material storage area, It is said that the discomfort given to the workers can be reduced as much as possible.

  However, the above-mentioned conventional temporary shrouds have a soundproofing effect insufficient because the thickness of the soundproofing material S made of a soft vinyl chloride sheet is about 1 to 2 mm, and particularly loud noise such as construction destruction is accompanied. It had the problem that it was not able to fully cope with the use at the construction site which generate | occur | produces.

  Therefore, the present invention aims to solve the above-mentioned conventional problems, and is soundproofing that can sufficiently cope with use at a construction site where particularly loud noise is generated such as construction destruction work. It was made for the purpose of providing a panel.

Therefore, in the soundproof panel according to the present invention, one surface of the honeycomb panel 3 is pressed against one surface of the panel-like phenol foam 4, and at least a part of the phenol foam 4 intrudes into the many cells 3 a of the honeycomb panel 3. The cover 2 is covered on the main panel 1 in which the metal reinforcing frame 5 is attached to both side wall portions 3b of the honeycomb panel 3, and the cover 2 is waterproofed in a bag shape. The main body panel 1 is inserted from the opening 2a, and is stored with a margin in the bag, and the opening 2a is sealed .

  Further, in the soundproof panel according to the present invention, the reinforcing frame 5 is a long aluminum alloy flat plate, and it has a hook-like lock alternately formed on the both side wall portions 3b of the honeycomb panel 3 with appropriate intervals. It is assumed that it is locked between the pieces 6.

  Then, the soundproof panel of the present invention is placed along the inside of the plate body 11 of the temporary enclosure plate B, and the retaining plate 17 is bridged between the side plates 12 of the plate body 11. It fixes to the temporary enclosure board B by fixing with the screw 18 to the screw hole 15 provided in the bending part 14 of this.

  Since the soundproof panel of the present invention is configured as described above, a sufficient soundproofing effect is exhibited if it is used by being attached to a temporary enclosure used in a construction site or a material storage area, etc. It is possible to sufficiently cope with the use at construction sites where particularly loud noises are generated, such as the destruction of buildings.

It is a perspective view showing one embodiment of a soundproof panel of this invention. It is a perspective view which shows the state which removed the cover from the main-body part of the soundproof panel of this invention. It is a disassembled perspective view of the main-body part of the soundproof panel of this invention. It is an enlarged perspective view of the main-body part of the soundproof panel of this invention of the part enclosed with (circle) in FIG. It is sectional drawing of the main-body part of the soundproof panel of this invention by the AA in FIG. FIG. 6 is a cross-sectional view of the body portion of another embodiment of the soundproof panel of the present invention taken in the same part as FIG. 5; FIG. 6 is a cross-sectional view of the body portion of yet another embodiment of the soundproof panel of the present invention according to the same portion as FIG. 5; It is a perspective view of a temporary enclosure board which mounts a soundproof panel of this invention. It is a perspective view which shows the state which mounted the soundproof panel of this invention to the temporary enclosure shown in FIG. It is an expanded sectional view of the temporary enclosure board which mounted the soundproof panel of this invention by the BB line in FIG. It is explanatory drawing which shows the use condition of the temporary enclosure board equipped with the soundproof panel of this invention. It is a perspective view which shows an example of the conventional temporary enclosure board. It is an expanded sectional view of the conventional temporary enclosure board by the CC line in FIG. It is explanatory drawing which shows the use condition of the conventional temporary enclosure board.

  Hereinafter, the form for implementing the soundproof panel of this invention is demonstrated in detail based on drawing.

  As shown in FIGS. 1 to 3, in the soundproof panel according to the present invention, the main body panel 1 is covered with a cover 2.

  The body panel 1 presses one surface of the honeycomb panel 3 against one surface of the panel-shaped phenol foam 4, and at least a part of the phenol foam 4 is embedded in the many cells 3 a of the honeycomb panel 3 and embedded. In addition, a metal reinforcing frame 5 is attached to both side wall portions 3 b of the honeycomb panel 3. Although the dimensions of the main body panel 1 are not particularly limited, in the illustrated example, the length is 90 to 110 cm, the width is 38 to 44 cm, and the thickness is 0.5 to 1.5 cm. Such a size makes it possible to easily cover the entire surface of the temporary enclosure board used in a construction site, a material storage area or the like, if two sheets are combined into one set.

  The cover 2 is a waterproof cover made of synthetic resin or the like so as to protect the main panel 1 from weather and the like when used outdoors. In the illustrated example, the cover 2 is a bag-like synthetic resin cover, and the main body panel 1 is inserted from the opening 2a, housed in the bag, and the opening 2a is sealed. The dimensions of the cover 2 are not particularly limited, but in the case of a bag-like synthetic resin cover as illustrated, the length is 100 to 120 cm and the width is 42 to 48 cm, and the main panel It is assumed that 1 can be stored with room.

  In the present invention, the honeycomb panel 3 is a panel having a honeycomb structure, that is, a panel in which a large number of cells 3a are formed by arranging a large number of three-dimensional shapes such as regular square prisms and regular triangular prisms without gaps. is there. The illustrated honeycomb panel 3 is a panel in which a large number of quadrangular prisms having a rectangular planar shape are alternately arranged. The dimensions of the honeycomb panel 3 in the illustrated example are 90 to 110 cm in length, 38 to 44 cm in width, and 0.5 to 1.5 cm in thickness. With such dimensions, the entire surface area of the phenol foam 4 described later can be embedded in the cells 3 a of the honeycomb panel 3.

  In the present invention, the phenol foam 4 is obtained by foaming and curing a phenol resin, and has plasticity. Therefore, when the panel 3 is pressed against the phenol foam 4, the panel 3 enters into the cells 3 a of the panel 3, and the phenol foam 4 is embedded. Although 70% to 80% of the thickness of the phenol foam 4 is inserted into the cells 3a of the panel 3 in the illustrated example, the whole may be inserted into the cells 3a of the panel 3. The dimensions of the phenol foam 4 in the illustrated example are 90 to 110 cm in length, 35 to 41 cm in width, and 1.5 to 2.0 cm in thickness. It is known that this phenol foam 4 has thermal and chemical stable properties, and is excellent in sound absorption and heat insulation. Therefore, if it makes it such a size, even when it uses for a temporary enclosure board used at a construction site, a material storage place, etc., a sufficient soundproof effect can be exhibited.

  The reinforcing frame 5 is made of a lightweight metal such as an aluminum alloy, and reinforces the honeycomb panel 3 of the main body panel 1. As long as the reinforcing frame 5 is attached to both side walls 3b of the honeycomb panel 3, the attaching structure is not particularly limited, but if it is structured as shown in FIGS. The side walls 3b of the honeycomb-like panel 3 can be very strongly reinforced.

  The mounting structure shown in FIGS. 3 to 5 uses a reinforcing frame 5 as a long flat plate made of an aluminum alloy, and this reinforcing frame 5 is spaced from the side wall portions 3b of the honeycomb panel 3 at appropriate intervals. It is assumed that it is locked between key-shaped locking pieces 6 formed alternately. Then, if necessary, the wire rod 7 and the like are passed through through holes (not shown) provided in the vicinity of the both side wall portions 3b of the honeycomb panel 3, and the reinforcing frame 5 is bound and moved by the wire rod 7 and the like.

  The mounting structure shown in FIG. 6 uses a long aluminum alloy reinforcing frame 5 in which a substantially T-shaped locking portion 8 is protruded inward of a substantially U-shaped cross section. The substantially U-shaped frame of the reinforcing frame 5 is fitted into both side wall portions 3 b of the honeycomb panel 3, and the substantially T-shaped locking portion 8 of the reinforcing frame 5 is formed into both side wall portions of the honeycomb panel 3. It locks in the substantially T-shaped locking groove 9 formed in 3b.

  The mounting structure shown in FIG. 7 uses a long aluminum alloy reinforcing frame 5 having a substantially U-shaped cross section, and this reinforcing frame 5 is fitted into both side wall portions 3 b of the honeycomb panel 3 to obtain screws 10. It is assumed that it stopped.

  The soundproof panel of the present invention configured as described above is installed on a temporary shroud B as shown in FIG. 8, for example.

  The temporary enclosure plate B is formed by bending both side ends of the plate body 11 inward to form the side body 12 and providing a plurality of through holes 13 at appropriate positions in the upper, central and lower portions of the side body 12 The side body 12 is bent inward to form a bent portion 14, and screw holes 15 are provided at appropriate positions in the upper portion, the central portion, and the lower portion of the bent portion 14.

  As shown in FIG. 11, a plurality of temporary fence boards B configured in this manner are arranged along a plurality of horizontal frames 22 of a support framework 21 provided on the outer periphery of a construction site or a material storage area. Attached to the support framework 21 by butting the side members 12 to each other, respectively passing the wire 16 through the through holes 13 of the side members 12 adjacent to each other in the upper, middle and lower portions, respectively winding these numbers 16 around the horizontal frame 22 To surround the construction site and the storage area.

  Then, the soundproof panel according to the present invention is arranged two by two along the inner side and the upper side of the plate body 11 of each temporary enclosure plate B surrounding the construction site and the material storage area, and the retaining plate 17 is provided between the side plates 12 of the plate body 11. If the soundproof panel of the present invention is held down by the retaining plate 17 by temporarily fixing the both ends of the retaining plate 17 to the screw holes 15 provided in the bent portions 14 of the side plates 12 with a screw 18, the temporary Two pieces each are mounted on the upper and lower sides of one of the shrouds B (see FIG. 9).

  The temporary shroud may be a conventional one in which a soundproof material S made of a soft vinyl chloride sheet is provided on the back surface of the plate main body 31 as shown in FIGS. With such a conventional temporary shroud, the soundproofing effect is more excellent.

  Then, in order to confirm the soundproof effect of the temporary enclosure board provided with the soundproofing material S which consists of the conventional soft vinyl chloride sheet, and the thing which attached the soundproof panel of this invention to this temporary enclosure further, the following noises The measurement test was performed.

  First, the two construction sites are respectively surrounded by the above-mentioned temporary shrouds, and the vacuum car engine is applied inside of these temporary shrouds, and the magnitude of the engine noise is measured. It was 90 dB.

  However, at a position 12.5 m away from the sound source, it is about 73 dB when it is surrounded by a temporary enclosure provided with a conventional soundproofing material, and when it is surrounded by a temporary enclosure fitted with a soundproof panel of the invention, It was about 67 dB.

  Therefore, compared with a construction site surrounded by a temporary shielding board provided with a conventional soundproofing material, the construction site surrounded by a temporary shielding board equipped with the soundproof panel of the present invention generates approximately 6 dB of noise in the working environment of construction workers. The decline was confirmed.

  Furthermore, when the magnitude of each engine sound was measured on the outside of the temporary shroud, it was about 59 dB when it was surrounded by the temporary shroud provided with the conventional soundproofing material, and the temporary mounting of the soundproof panel of the present invention When it was surrounded by a shroud, it was about 50 dB.

  Therefore, compared with a construction site surrounded by a temporary shielding board provided with a conventional soundproofing material, the construction site surrounded by a temporary shielding board equipped with the soundproof panel of the present invention reduces noise by about 9 dB in the living environment of nearby residents Was confirmed.

  As described above, when the soundproof panel of the present invention is used by attaching it to a temporary enclosure used in a construction site or a material storage area, a sufficient soundproofing effect is exhibited, and the construction work is destroyed. It has become possible to cope with its use at construction sites where particularly loud noises are generated.

DESCRIPTION OF SYMBOLS 1 Body panel 2 Cover 2a Opening 3 Honeycomb-like panel 3a Cell 3b Side wall 4 Phenolic foam 5 Reinforcement frame 6 Retaining piece 11 Plate body 12 Side body 14 Bent portion 15 Screw hole 17 Retaining plate 18 Screw B Temporary enclosure plate

Claims (3)

One surface of the honeycomb panel (3) is pressed against one surface of the panel-shaped phenol foam (4), and at least a part of the phenol foam (4) is contained in the many cells (3a) of the honeycomb panel (3). Soundproofing in which a cover (2) is placed on a body panel (1) in which a reinforcing frame (5) made of metal is attached to both side wall portions (3b) of the honeycomb panel (3). A panel,
The cover (2) is a bag-like waterproof synthetic resin cover, the main body panel (1) is inserted from the opening (2a), and the opening (2a) is received with room in the bag. Soundproof panel characterized by being sealed .   A hook-shaped locking piece (the reinforcing frame (5) is formed of a long aluminum alloy flat plate and is alternately formed on the both side walls (3b) of the honeycomb panel (3) at the front and back) The soundproof panel according to claim 1, which is locked between 6). Along the inner side of the plate body (11) of the temporary enclosure (B), cross over the retaining plate (17) between the two side faces (12) of the plate body (11), and place both ends of the retaining plate (17) 3. The temporary enclosure plate (B) according to claim 1 or 2, characterized in that the screw holes (15) provided in the bent portions (14) of the two side bodies (12) are fixed with screws (18). Soundproof panel as described.

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