JP3007546B2 - Hardware for mounting interior panels for tunnels - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hardware for mounting an interior panel for a tunnel, and more particularly to a hardware for mounting near a corner of an interior panel.

[0002]

2. Description of the Related Art As shown in FIG. 6 and FIG. 7 showing a front view thereof, in a tunnel such as a road, an interior panel P for makeup is attached to a tunnel base wall W with an attachment hardware. Conventionally, as shown in FIG. 8, the mounting hardware near the corner portion 50 of the interior panel P includes a base-side hardware 51 attached to the tunnel base wall W, and a panel upper hardware 6 attached to the upper and lower portions of the interior panel.
1 and the lower metal part 71 of the panel.

The metal fittings 51 on the base side include a fixing metal piece 52 having a substantially L-shaped cross section, and a locking metal piece 55 having a shape in which a tip end portion having an L-shaped cross section is bent and raised. The fixed hardware 52
Is for fixing the panel upper metal part 61, and the horizontal pieces 53 are attached to anchor bolts B provided at required intervals on the base wall W.
The vertical piece 54 is fixed with the top facing upward. Also, the locking hardware 55
The vertical piece 57 is fixed to the anchor bolt B on the base wall with the horizontal piece 56 facing down.

On the other hand, a panel upper metal part 61 has a substantially L-shaped cross section, and a vertical piece 62 is fixed to an upper portion of a back surface of the interior panel P with a bolt, and a horizontal piece 63 is fixed to the fixed metal part 52.
Is mounted on the horizontal piece 53 and bolted. The panel lower metal piece 71 is made of a fastener-shaped metal piece. The upper vertical piece 72 is fixed to the lower portion of the back surface of the interior panel P with a bolt, and the lower vertical piece 73 is a rising piece of the locking metal piece 55. It is inserted inside 58 and locked.

However, in the above-mentioned metal fittings for mounting the interior panel for a tunnel, the upper metal piece 61 and the base metal piece 51 are connected to each other by bolts with the horizontal pieces 63 and 53 overlapped with each other. A space corresponding to the outer diameter of the portion 81 or the nut 82 and a space for fastening the bolt are required between the back surface of the interior panel P and the surface of the base wall W. As a result, the projection size of the interior panel P from the base wall W is increased, and the available space in the tunnel is reduced.

The lower part of the interior panel P is sandwiched between a panel lower metal part 71 made of a fastener-shaped metal part and the back surface of the interior panel P, and a base metal part (locking metal part 55), while the upper part of the interior panel P is formed as described above. As described above, since the panel upper metal part 61 and the base metal part (fixed metal part 52) are fixed by bolting, there is no play when attaching the interior panel.

[0007] Therefore, when an error in the mounting angle of the anchor bolts B or a molding error in the base metal parts or the like occurs, unexpected stress is applied to the interior panel P, which may cause cracks or large cracks. Efficiency is required in the work of mounting the interior panel and the work of mounting the interior panel. In particular, when the tunnel base wall W has an arc shape, it is difficult to accurately mount the anchor bolts and the interior panel, and when the interior panel is tiled on the panel base, cracks may occur. There is anxiety that even a small amount of stress acts on the adhesive surface of the tile and peels off the tile.

Further, at the lower part of the interior panel, the base metal (locking metal 55) is only sandwiched between the panel lower metal 71 and the back surface of the interior panel P. When an impact parallel to the interior panel is applied, the lower part of the interior panel may be displaced and collide with an adjacent interior panel. In addition, there is a concern that not only the adjacent interior panels will be damaged, but also the surrounding interior panels will be damaged if the impact is severe.

In addition, two types of base-side hardware (the locking hardware 55 and the fixing hardware 52) must be used for the lower and upper panels of the vertically adjacent interior panels, which are both intricate. In order to fix the two types of base-side hardware to the base wall, there was also poor workability in which two anchor bolts had to be attached in close proximity.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and it is possible to make a space in a tunnel larger than before, and to provide a play for mounting an interior panel. An object of the present invention is to provide a hardware for mounting a tunnel interior panel, which is less likely to be displaced even when a force parallel to the panel is applied, has a small number of parts, and can simplify construction work.

[0011]

SUMMARY OF THE INVENTION According to the present invention, there is provided a base metal fitting attached to an anchor bolt provided at a required interval on a tunnel base wall, and attached to upper and lower parts of an interior panel and locked to the base metal fitting. A mounting hardware for a tunnel interior panel comprising a panel upper hardware and a panel lower hardware, wherein the base metal has an L-shaped cross section including a vertical piece and a horizontal piece, and an anchor bolt mounting hole is provided in the vertical piece. And a vertical piece fixing bolt insertion hole for the panel upper metal part, a vertical piece locking hole for the panel lower metal piece in the horizontal piece, and the panel upper metal piece having an intermediate portion between the upper and lower vertical pieces. Z-shaped, the one vertical piece has a fixing bolt insertion hole to the interior panel, and the other vertical piece has a fixing bolt insertion hole to the base metal, and hardware It has a substantially Z-shaped cross section having an intermediate portion between upper and lower vertical pieces, one of the vertical pieces has a bolt insertion hole for fixing to an interior panel, and the other vertical piece has a vertical section of the base side metal fitting. It is characterized by forming a locking piece to the stop hole.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the accompanying drawings. 1 is a perspective view of a metal fitting for mounting an interior panel for a tunnel according to one embodiment of the present invention, FIG. 2 is a front view showing the interior panel when it is installed, FIG. 3 is a longitudinal sectional view at that time, and FIG. FIG. 5 is a longitudinal sectional view at that time.

The mounting hardware (hereinafter referred to as mounting hardware) 10 for the tunnel interior panel shown in FIG. 1 includes a base-side hardware 11, a panel upper hardware 21, and a panel lower hardware 3.
Consists of one.

The base-side hardware 11 includes a vertical piece 12 and a horizontal piece 1.
6 has an L-shaped cross section. An anchor bolt mounting hole 13 is formed at the center of the vertical piece 12, and bolt insertion holes 14, 14 for fixing the vertical piece of the panel upper hardware 21 are formed on the left and right of the anchor bolt mounting hole 13. The vertical piece fixing bolt insertion hole 14 has a notch formed at a desired depth from the left end or the right end of the vertical piece 12 as in this embodiment, and a closed true circle, an ellipse, and the like around the notch. Is also good.

The horizontal piece 16 is provided with vertical piece locking holes 17 for the lower metal fitting 31 on the left and right of the anchor bolt mounting hole 13. This vertical piece locking hole 17
Is slightly larger than the width and thickness of the vertical piece 35 of the panel lower metal part 31. Vertical piece locking hole 17 of this embodiment
Has a length about 10 mm larger than the width of the vertical piece 35 of the panel lower metal piece 31 and a width about 1 mm larger than the thickness of the vertical piece 35 of the panel lower metal piece 31. In addition,
The bolt insertion holes 14, 14 and the vertical piece locking holes 17, 1
If the anchor bolts 7 are provided at symmetric positions on the left and right, the weights of the interior panels adjacent on the left and right can be received by the base wall hardware 11 in a well-balanced manner.

As shown in FIGS. 2 to 5, the base metal member 11 is attached to an anchor bolt B implanted in a base wall W of the tunnel through the anchor bolt mounting hole 13. At this time, the horizontal piece 16 of the base metal 11
Is to be on top. The anchor bolt B
Is provided at the corner 50 of the adjacent interior panel shown in FIG. Symbol N is a nut for an anchor bolt.

On the other hand, the panel upper metal part 21 is composed of a vertical piece 22,
It has a substantially Z-shaped cross section having an intermediate portion 25 between 26. The one (downward in use) vertical piece 22 is formed with a bolt insertion hole 23 for fixing to an interior panel, and the other (upward in use) vertical piece 26 is provided with the base plate. The fixing bolt insertion holes 27, 27 for the side hardware 11 are formed at symmetrical positions. The fixing bolt insertion hole 27 of this embodiment is formed by a cutout formed at a desired depth from the left end or the right end of the vertical piece 26, but may be a closed true circle, an ellipse, or the like around the periphery. . In addition, since the fixing bolt insertion holes 27, 27 are formed symmetrically in the left and right panel upper metal members 21, they can be used on either side of the interior panel adjacent to the left and right.

The panel upper metal part 21 is attached to the vicinity of the upper corner of the rear surface of the interior panel P by a fixing bolt 28 inserted into the bolt insertion hole 23 of the vertical piece 22 as shown in FIGS. . At this time, the vertical piece 26 having the fixing bolt insertion hole 27 to the base metal member 11 is made to face upward. 2 to 5 show the vertically adjacent portions of the interior panels P, P for easy understanding.

The lower panel hardware 31 includes vertical pieces 32,
It has a substantially Z-shaped cross section having an intermediate portion 34 between 35. The one (upward facing) vertical piece 32 has a bolt insertion hole 33 for fixing to the interior panel, and the other (downward facing) vertical piece 35 has a vertical length of the base metal. A locking piece to the single locking hole 17 is formed.

The lower panel metal fitting 31 is attached to the vicinity of the lower corner of the rear surface of the interior panel P by a fixing bolt 36 inserted into the bolt insertion hole 33 of the vertical piece 32 as shown in FIGS. Can be At this time, the other vertical piece 35 is directed downward.

The mounting hardware 10 thus constructed
As described above, the base metal part 11 is attached to the base wall W of the tunnel as described above, and the panel upper metal part 21 is located near the corner of the upper back surface of the interior panel P, and the panel lower metal part 3
1 are attached near the corners on the lower rear surface of the interior panel P, respectively. Then, as shown in FIGS. 2 and 3,
The downward vertical piece 35 of the panel lower metal part 31 at the lower part of the interior panel P is inserted and locked in the vertical piece locking hole 17 formed in the horizontal piece 16 of the base metal part 11 in the base wall W.

Next, the upward vertical piece 26 of the panel upper metal piece 21 above the interior panel P is overlapped with the vertical piece 12 of the base metal piece 11 as shown in FIG.
Bolt insertion holes 14, 2 formed in one vertical piece 12, 26
7, the fixing bolt 37 is inserted as shown in FIG.
The nut 38 is screwed. Thereby, the interior panel P is attached to the base wall W.

At this time, as in this embodiment, if the bolt insertion holes 14 and 27 formed in the vertical pieces 12 and 26 of the base metal piece 11 and the panel upper metal piece 21 are formed by cutouts, the bolt 37 is used. It becomes easy to fit into the insertion holes 14 and 27. The notch may be either the base metal member 11 or the panel upper metal member 21, and the bolt insertion hole of the other metal member may be a closed hole at the periphery, so that the effect of easy fitting of the bolt can be obtained.

As described above, the length of the vertical piece locking hole 17 in the horizontal piece 16 of the base metal piece 11 is made larger than the width and thickness of the vertical piece 35 of the panel lower metal piece 31 by a predetermined amount. If play is allowed between the one locking hole 17 and the vertical piece 35 on the lower side 31 of the panel, when the panel upper metal part 21 is bolted to the base metal part 11, there is an error in mounting the anchor bolt B or the like. However, it is possible to cope with the above-mentioned play and to prevent unexpected stress from being applied to the interior panel P.

Further, the axial direction of the fixing bolt 37 with respect to the base metal member 11 and the upper metal member 21 and the axial direction of the anchor bolt B for mounting the base metal member 11 coincide with each other. It is parallel to the back surface of the interior panel P. The thickness of the bolt head and the nut along the axial direction of the bolt is extremely smaller than the outer diameter of the bolt head and the nut perpendicular to the axial direction of the bolt. The distance between the P back surface and the base wall W can be reduced.

Since the base metal fitting 11 has the fixing bolt insertion hole 14 and the vertical piece locking hole 17 formed on the left and right, respectively, the same applies to the other interior panels adjacent to the left and right. It is attached to W.

[0027]

As shown and described above, according to the mounting hardware of the present invention, the vertical pieces of the panel upper metal piece overlap the vertical pieces of the base metal piece and are fastened to each other by the fixing bolts. The bolt head and the nut are substantially parallel to the base wall surface and the back surface of the interior panel. Since the bolt head and nut have a smaller thickness in the axial direction than their outer diameters in the diameter direction, the head and nut of the bolt can be installed even if the distance between the back surface of the interior panel and the surface of the base wall is reduced. It does not hit the back of the panel or the surface of the base wall. Moreover,
Since the operating direction of a tool such as a wrench is substantially parallel to the back surface of the interior panel and the surface of the base wall when the bolt is screwed, even if the space between the back surface of the interior panel and the surface of the base wall is narrowed, it is difficult to attach the interior panel. It won't be. Therefore, according to the mounting hardware of the present invention, the distance between the interior panel and the base wall can be reduced as compared with the conventional mounting hardware,
There is an effect that the space in the tunnel can be widened.

Further, according to the mounting hardware of the present invention, the vertical piece of the panel lower metal piece attached to the lower part of the interior panel is inserted into the vertical piece locking hole formed in the horizontal piece of the base metal piece. The lower part of the interior panel is locked. for that reason,
If the vertical piece locking hole is formed to be larger than the vertical piece of the lower metal part of the panel by a predetermined amount, play can be provided at the time of mounting the interior panel, and unexpected damage force such as twisting is applied to the interior panel. There is an effect that can be prevented.

Further, according to the mounting hardware of the present invention, the upper portion of the interior panel is fixed to the base-side hardware via the upper panel hardware, and the lower portion of the interior panel is a vertical piece of the lower panel hardware. Is inserted and locked in the vertical piece locking hole of the base metal. Therefore, even if an impact substantially parallel to the interior panel is applied to the interior panel, only the play between the vertical piece of the panel lower metal part and the vertical piece locking hole of the base metal part causes a shift in the lower part of the interior panel. is there. Moreover, if the play dimension is set to be equal to or less than the interval between the left and right interior panels, it is possible to reliably prevent the adjacent interior panels from being damaged due to the slight displacement.

In addition, since the mounting hardware of the present invention can mount the upper panel hardware and the lower panel hardware with one base-side hardware, it is sufficient to provide one anchor bolt at that part. Work becomes better. Also, since the number of parts is reduced, parts management and the like are rational.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fitting for mounting an interior panel for a tunnel according to an embodiment of the present invention.

FIG. 2 is a front view showing a state where an interior panel is attached.

FIG. 3 is a longitudinal sectional view at that time.

FIG. 4 is a front view showing a state after the interior panel is attached.

FIG. 5 is a longitudinal sectional view at that time.

FIG. 6 is a partial sectional view of the inside of a tunnel.

FIG. 7 is a front view of that part.

FIG. 8 is a cross-sectional view showing the mounting of an interior panel using a conventional mounting hardware.

[Explanation of symbols]

 11: base metal 12: vertical piece 13 of base metal 13: anchor bolt mounting hole 14: bolt insertion hole 16: horizontal piece of base metal 17: vertical locking hole 21: panel upper metal 22, 26: panel upper Vertical pieces of hardware 23, 27: Bolt insertion holes 31: Lower panel hardware 32, 35: Vertical pieces of lower panel hardware 33: Bolt insertion holes B: Anchor bolts

Claims (2)

(57) [Claims] 1. A base metal member attached to anchor bolts provided at required intervals on a tunnel base wall, and a panel upper metal member and a panel lower member attached to upper and lower portions of an interior panel and locked by the base metal member. In the metal fittings for mounting the interior panel for a tunnel made of metal, the base metal has an L-shaped cross section composed of a vertical piece and a horizontal piece, and the vertical piece fixes an anchor bolt mounting hole and a panel upper metal to the vertical piece. The horizontal piece has a vertical piece locking hole for a panel lower metal piece, and the panel upper metal piece has a substantially Z-shaped cross section having an intermediate portion between upper and lower vertical pieces. The vertical piece has a fixing bolt insertion hole for the interior panel, and the other vertical piece has a fixing bolt insertion hole for the base metal piece, and the lower metal piece between the upper and lower vertical pieces. With middle part The one vertical piece has a fixing bolt insertion hole to the interior panel, and the other vertical piece constitutes a locking piece to the vertical piece locking hole of the base metal. Metal fittings for mounting interior panels for tunnels. 2. The panel-side metal part according to claim 1, wherein the base-side metal part has an anchor bolt mounting hole in a central part of the vertical part, and a vertical part fixing bolt insertion hole of the panel upper metal part on the left and right of the anchor bolt mounting hole of the vertical part. On the other hand, a metal piece for mounting an interior panel for a tunnel, wherein a horizontal piece has a vertical piece locking hole for the panel lower metal piece on the left and right of the anchor bolt mounting hole.