JPH08209634A - Light transmitting soundproof plate - Google Patents

Abstract

PURPOSE: To prevent a light transmitting plate from breaking down and falling at being applied by impulsive load due to collision and the like. CONSTITUTION: Metallic vertical frame materials 2 and horizontal frame materials 3 are assembled into a four-cornered shape so as to form a frame body 1. A light transmitting plate 4 is inserted into opening grooves 21, 31 of the respective frame materials 2, 3 at the peripheral edge part and held in the frame body 1. A wire inserting part 22 for inserting through a fall preventing wire 6 is provided on the outside of the vertical frame material 2. Both end parts of a cord-like body 5 are fitted to the upper and lower edge parts of the light transmitting plate 4, the intermediate part of the cord-like body is inserted through the wire inserting part 22 along the outside of one vertical frame material so as to connect the cord-like body 5 to the frame body 1. The cord-like body 5 is not tensed and fitted to the frame body leaving a surplus length portion 51. When impulsive load is applied, the light transmitting plate 4 is supported with the cord-like body 5 so as not to fall without detaching from the frame body 1 and breaking down.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a translucent soundproof plate installed along a road or a railway to prevent noise.

[0002]

2. Description of the Related Art Conventionally, in this type of translucent soundproof plate, a translucent plate is attached to a frame body formed by framing a metal frame member in a rectangular shape so that the translucent plate can withstand a predetermined wind load or impact load. It is firmly fixed so that it does not come off the frame so that it can be removed.

For example, in the case of FIG. 5, a peripheral edge of a translucent plate c made of polycarbonate is firmly fixed to a frame body a framed by a steel frame material b with bolts and nuts d. Further, in the case of FIG. 6, a frame member a formed of an aluminum mold material having an opening groove e in the length direction is framed with the opening groove e inside to form a frame a, and a polycarbonate transparent plate c is formed. The peripheral edge is inserted into the opening groove e inside the frame a,
A retaining pin f is attached to the peripheral edge of the transparent plate c so that the peripheral edge does not come off the opening groove e.

[0004]

However, in such a conventional translucent soundproof plate, since the translucent plate is firmly fixed and attached to the frame, it is caused by the recent speedup of the traveling vehicle. In the case of a collision accident or a collision accident of a large crane vehicle, a large impact load exceeding a predetermined impact load is directly applied to the translucent plate, and the translucent plate is damaged or falls and scatters. Moreover, when the soundproof plate is installed on an elevated road or the like having a railway or a road below, there is a great risk of causing a secondary disaster due to the fall of the transparent plate.

Also, as a light-transmitting plate, it is 5 mm in terms of impact resistance.
Although a polycarbonate plate with a thickness of about 8 mm is used, it is required to use a polycarbonate plate with a thickness of about 8 mm in order to increase the transmission loss in order to prevent noise. But,
If the thickness is increased, the impact resistance of the polycarbonate plate will decrease and it will be easily damaged.In the conventional translucent soundproof plate, the translucent plate will be damaged and fall and scatter when a large impact load is applied as described above. There is a problem that cannot be met.

It is an object of the present invention to provide a translucent soundproofing board that solves the above-mentioned conventional problems.

[0007]

In order to solve the above-mentioned problems, the translucent soundproofing plate of the present invention has a frame body formed by forming a rectangular frame by a vertical frame member and a horizontal frame member made of metal. The translucent plate is held in the body by inserting the peripheral portion thereof into the opening groove along the length direction of each frame member, and the string-shaped body is attached to the edge of the translucent plate. It is connected to the frame without being tense, leaving a margin.

Preferably, a wire insertion portion through which the fall prevention wire is inserted is provided on the outer surface of the vertical frame member, and both ends of the string-like body are attached to the upper and lower edges of the light transmitting plate. The intermediate portion is inserted through the wire insertion portion along the outer surface of one of the vertical frame members, and the string-like body is connected to the frame body.

Further, in the present invention, the string-like body is not limited to the upper and lower edges of the translucent plate, but may be attached to an edge of an appropriate location, and the vertical frame member and the horizontal frame material of the frame may be appropriately attached. Should be connected to. The extra length of the string-like body may be located at an appropriate position on the vertical frame member or the horizontal frame member of the frame body.

[0010]

According to the present invention, when an impact load is applied to the frame body due to a collision, for example, the peripheral portion of the transparent plate is only inserted into the opening groove of the frame body and is not fixed to the frame body. ,
The transmission of the impact load from the frame to the transparent plate is small, and the transparent plate can be prevented from being damaged. Further, when the vertical frame member is provided with a wire insertion portion through which the fall prevention wire is inserted, the soundproof plate can be supported by the fall prevention wire to prevent fall.

Further, when an excessive impact load is applied to the transparent plate due to a collision, the peripheral edge of the transparent plate is only inserted into the opening groove of the frame but is not fixed to the frame. The light plate is disengaged from the frame to release the impact energy, and the large impact energy does not act directly on the light transmitting plate, so that the light transmitting plate can be prevented from being damaged. Moreover, even if the translucent plate is removed from the frame, since the translucent plate is connected to the frame by the string-shaped body,
The transparent plate does not fall.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings. In the drawings, reference numeral 1 denotes a frame body, which is formed by being framed in a rectangular shape by a vertical frame member 2 and a horizontal frame member 3. The vertical frame member 2 and the horizontal frame member 3 are made of a metal elongated body such as an aluminum hollow mold member and have opening grooves 21 and 31 along the length direction, respectively. Has been done.

The vertical frame member 2 has a concave outer surface, and a wire insertion portion 22 through which the fall prevention wire 6 is inserted is provided at an appropriate position on the outer surface. In the case of FIGS. 1 and 2, the wire insertion portion 22 is formed by attaching an eyebolt to the vertical frame member 2. However, the wire insertion unit 22 is not limited to this, and a member having an appropriate shape such as a ring shape or a tubular shape can be used as the vertical frame member 2. May be formed by being attached to. In addition, in the case of FIGS. 1 and 2, notches 32 through which the fall prevention wire 6 is inserted are provided at both ends of the horizontal frame member 3.

Reference numeral 4 denotes a translucent plate, which is made of a translucent polycarbonate, acrylic resin, polyvinyl chloride or a composite resin plate made of a composite of these, a translucent tempered glass plate, and the like, such as a rectangle. It has a square shape.
In general, a polycarbonate plate is preferably used as the translucent plate 4 in terms of impact resistance.

Further, the translucent plate 4 is held in the frame body 1 by inserting the peripheral portions thereof into the opening grooves 21 and 31 of the vertical frame member 2 and the horizontal frame member 3 of the frame body 1. . That is, the translucent plate 4 is not fixed to the frame body 1 by any screw or the like, but its peripheral portion is merely inserted into the opening grooves 21 and 31, and when a large impact load is applied, the translucent plate 4 is removed from the frame body 1. It is designed to be easily dislocated.

Reference numeral 5 is a cord-like body, and a wire rope is generally preferably used, but other cords or ropes having a tensile strength may be used. The string-like body 5 is attached to the edge of the translucent plate 4, and is connected to the frame body 1 without any tension, leaving a margin length 51. That is,
Since the cord-like body 5 has a margin length 51, it is arranged so as not to become an obstacle when the translucent plate 4 is detached from the frame body 1 when a large impact load is applied, and the translucent plate 4 is detached from the frame body 1. The light plate 4 is supported so as not to drop.

For example, in the case of FIGS. 1 and 2, both ends of the string-like body 5 are attached to the upper and lower edges of the transparent plate 4, and the middle part of the string-like body 5 is the outer surface of one vertical frame member 2. The cord-shaped body 5 is connected to the frame body 1 by being pulled out to be inserted into the wire insertion portion 22. In this case, the extra length portion 51 of the string-like body 5 is located on the outer side surface of the concave surface of the vertical frame member 2. Also, the cord-like body 5
The translucent plate 4 and the translucent plate 4 are attached by sequentially inserting the string-like bodies 5 into a plurality of through holes formed in the translucent plate 4, but may be attached by any other appropriate method.

Further, the cord-like body 5 connects the upper and lower edges of the translucent plate 4 and one of the vertical frame members 2 as described above. 2 or the horizontal frame member 3 is preferably connected. In this way, when the string-like body 5 connects a part of the light-transmitting plate 4 and the frame body 1, the light-transmitting plate 4 is easily separated from the frame body 1 when a large impact load is applied,
It is preferable since damage to the transparent plate 4 due to impact load can be prevented.
Further, the extra length 51 of the string-like body 5 may be located at an appropriate position on the vertical frame member 2 or the horizontal frame member 3 of the frame body 1.

The translucent soundproofing plate of the present invention is, for example, mounted by being fitted between the H-shaped columns 7 of cross section which are erected at a predetermined interval on the waist wall 8 of the road as shown in FIG. The fixed fall prevention wire 6 is inserted into the wire insertion portion 22 along the outer surface of the vertical frame member 2 of the frame body 1 as shown in FIGS. 1 and 2, and the soundproof plate is supported by the pillar 7 even if an impact load is applied.
It is designed so that it does not fall off from it.

In the case of FIG. 4, the translucent soundproof plates of the present invention are stacked and fitted in two columns between the columns 7, and a shock load is applied to the translucent plate 4 of the soundproof plate in the lower stage to form the frame 1. It shows the state of being off.

Further, in the above-mentioned embodiment, the basic form in which the single transparent plate 4 is fitted in the frame body 1 has been described.
For example, when a plurality of translucent plates 4 are fitted into the frame 1 by providing an auxiliary frame member or the like in the frame 1 like a large soundproof plate, the edge of each translucent plate 4 and the auxiliary The frame body 1 including the frame material is connected by the string-like body 5, respectively.

[0022]

As described above in detail, in the translucent soundproof plate of the present invention, the translucent plate is held in the frame by inserting the peripheral edge of the translucent plate into the opening groove of each frame member. The plate is not fixed to the frame as in the prior art, and even if an impact load is applied to the frame, the transmission of the impact load from the frame to the translucent plate is small and damage to the translucent plate can be prevented. Moreover, even if an impact load is applied to the translucent plate, the translucent plate disengages from the frame body to release impact energy,
It is hard to damage the translucent plate without applying large impact energy directly.

Further, since the cord-like body is attached to the edge portion of the translucent plate and the cord-like body is connected to the frame body without leaving the tension, the cord-like body is connected to the frame body when an impact load is applied. The shape is
It does not become an obstacle when the translucent plate comes off from the frame body, and the translucent plate detached from the frame body can be supported so as not to fall, and a secondary disaster due to the fall of the translucent plate can be prevented.

In particular, both ends of the cord-like body are attached to the upper and lower edges of the light-transmitting plate, and the middle portion of the cord-like body is inserted along the outer surface of one of the vertical frame members into the wire insertion portion to form the cord-like body. Is connected to the frame, the string-shaped body does not become a hindrance when an impact load is applied, the translucent plate easily separates from the frame, and the string-shaped body does not separate from the vertical frame member. The light plate can be supported, and the above effect can be exhibited more reliably.

Furthermore, since a wire insertion portion through which the fall prevention wire is inserted is provided on the outer surface of the vertical frame member,
Even if an impact load is applied to the frame, the fall prevention wire can prevent the soundproof plate from falling. Therefore, in order to increase the transmission loss in order to prevent noise, it is possible to meet the demand for using a thick transparent plate such as a polycarbonate plate to prevent damage to the transparent plate at the time of impact as much as possible.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a translucent soundproof plate of the present invention.

FIG. 2 is a partially cutaway sectional view taken along the line AA of FIG.

FIG. 3 is an explanatory view showing the attached state of the cord-like body in the present invention.

FIG. 4 is an explanatory diagram showing a state of the translucent soundproofing plate of the present invention when it is subjected to an impact when it is installed.

FIG. 5 is a partially cutaway sectional view showing an example of a conventional translucent soundproof plate.

FIG. 6 is a partially cutaway sectional view showing another example of a conventional translucent soundproof plate.

[Explanation of symbols]

 1 Frame 2 Vertical Frame 21 Opening Groove 22 Wire Insertion Part 3 Horizontal Frame 31 Opening Groove 32 Notch 4 Translucent Plate 5 String-like Body 51 Allowable Length 6 Fall Prevention Wire

Claims (2)

[Claims] 1. A vertical frame member and a horizontal frame member made of metal form a quadrangular frame to form a frame body, and a translucent plate is formed in the frame body and has a peripheral edge portion along the length direction of each frame material. It is inserted and held in the groove, a string-like body is attached to the edge of the translucent plate, and this string-like body is not strained and is connected to the frame body leaving a margin length. Soundproofing board. 2. A wire insertion portion through which a fall prevention wire is inserted is provided on an outer side surface of a vertical frame member, both ends of a cord-like body are attached to upper and lower edges of a translucent plate, and an intermediate portion of the cord-like body. The light-transmissive soundproof plate according to claim 1, wherein the string-shaped body is connected to the frame body by being inserted into the wire insertion portion along the outer surface of one of the vertical frame members.