JPH0718133B2 - Snow eaves prevention device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended to prevent snow eaves overhanging like a canopy at an entrance / exit because snow accumulated on the upper part of a construction structure in a snowy area during winter grows and develops toward the lee of wind due to strong winds. belongs to.

[0002]

2. Description of the Related Art Conventionally, when a snow canopy is formed at the entrance of a tunnel or a cover road, a road maintenance person regularly monitors it and artificially drops it. As measures against snow eaves, raise the retaining wall,
It was restrained by a wire mesh fence.

[0003]

The problems described in the prior art have the following problems. That is, in the eaves restraint device such as a retaining wall or a wire mesh fence, which is installed vertically, the flow of the wind becomes a turbulent air flow, which conversely accumulates snow, which may have the opposite effect. As for the wire mesh fence, it was not possible to separate the snow on the structure and the wind speed was weakened, which in turn encouraged the eaves. The present application has been made in view of such problems of the conventional technology, and an object of the present application is to provide the following. That is, the present invention aims at smoothing the flow of wind, naturally dropping snow while it is lightweight, and preventing eaves on the upper part of a construction structure, and is useful for reducing the number of maintenance managers.

[0004]

In order to achieve the above object, the present invention is as follows. That is,
According to the present invention, a suitable number of anti-eaves plates 3,3. 3 are installed closely or at a predetermined interval on the upper part 2 of a structure such as a tunnel, a cover road, a retaining wall, or a shelter pit. ． The awning prevention plate 3 is composed of a frame 4 and a surface plate 5 stretched on the front surface of the frame.
Is a vertical member 4A2 that is hung and connected to the rear ends of the left and right front slope members 4A1 in which an angle member made of metal, resin, or the like is inclined, and the lower end of the front slope member 4A1 is connected to the vertical member 4A2. A left and right frame 4A including a lower member 4A3 for
The front plate 5 is made of a connecting material that connects A in an upright state. The surface plate 5 is made of metal, resin, or the like, and is a snow canopy prevention device stretched on the front surface of the front inclined member 4A1 of the frame 4. In this case, the wind direction converter 6 can be additionally provided above the rear surface of the frame 4 as necessary. When the surface plate has an arc shape, the center angle of the arc is 60
° Can be configured around. Furthermore, the height of the snow canopy plate can be set to about 70% of the maximum snow depth in each region.

[0005]

EXAMPLES Examples will be described with reference to the drawings. 1
Is a device for preventing snow eaves of the present invention, and is an appropriate number of snow canopy preventive plates 3,3. ． It consists of The snow canopy prevention plate 3 includes a frame 4 and a surface plate 5 stretched on the front surface of the frame 4. Reference numeral 6 denotes an airflow direction converter installed above the rear surface of the frame 4 as needed. The frame 4 includes a vertical member 4A2 that is hung and connected to the rear ends of the left and right front slope members 4A1 that are made of an angle member made of metal, resin, or the like, and the lower end and the vertical member 4A1.
A left and right frame 4A composed of a lower member 4A3 for connecting A2,
A lower front connecting member 4B, an intermediate connecting member 4C, an upper connecting member 4D, and a lower rear connecting member 4 which connect the left and right frames 4A in an upright state.
It is composed of E.

The surface plate 5 is made of metal, resin, or the like, and is stretched on the front surface of the front inclined member 4A1 of the frame 4 with a stop screw 5A or the like. When the surface plate has an arc shape, the center angle of the arc is preferably around 60 °,
When the central angle is 90 °, the top end becomes a horizontal plane and causes snowfall. Further, since the surface plate can be painted, it can be colored according to the color of the structure and the environment, and by coating it, the gliding property of snow can be improved and snow accumulation and snow accretion can be suppressed. Further, by using a solar cell, electricity or the like as the surface plate material, a heating element can be attached to the surface plate, or the surface plate itself can be made to generate heat. In addition, when snow adheres to the surface of the surface plate due to regional conditions, it is possible to move the linear object in parallel with the surface plate and separate the surface plate from the snow to drop the snow. In addition, the lower member 4A3 is provided with a hole 4A31 for the anchor bolt 9 for installation on the body,
In addition, a bolt hole 4A32 for a bolt B for connecting the increased leg 7 for coping with the case where the body is inclined or uneven is provided below the vertical member 4A2, and further above the vertical member 4A2. When the anti-snow eaves plates are installed in parallel, a bolt hole 4A33 for the bolt B that locks the rear surface connecting member 8 is provided in order to provide connectivity with the next and prevent the single member from falling. ing. The wind direction converter 6 is formed by forming a connecting piece 6B bent upward on one edge of a plate 6A having a predetermined width, and the connecting piece 6B is inclined at a predetermined position on a longitudinal member 4A2 of the frame 4 when viewed from the front. Installed. 4A34
Is a bolt hole for mounting the wind direction converter 6.
In this case, the support angle of the wind direction converter 6 is determined according to the state of the installation location of the snow canopy prevention device.

The anti-snow eaves plate 3 constructed as described above is
As described above, it is installed and fixed to the upper portion 2 of the structure such as the tunnel, the covered road, the retaining wall, the shelter pit by the anchor bolts 9 or the like. In this case, it goes without saying that the anchor bolt 9 and the like can be loosened to be removed or replaced with another snow canopy prevention plate. In this way, when the snow canopy prevention plates 3 are installed in parallel, even if the adjacent snow canopy prevention plates 3 are in close contact with each other,
In addition, it is possible to provide a certain distance D by using the back connecting member 8, and by opening this distance, even if snow is covered on the snow eaves prevention plate, continuous snowfall with the side can be prevented, and the weight can be reduced. It can snow. The height of the anti-snow eaves plate should be about 70% of the maximum snow depth in each area, and even if it is installed on a structure, it does not give much pressure, and it is an economical one corresponding to the local conditions. is there.

[0008]

[Operation] The effect will be described.

[0009]

Since the present invention is configured as described above, it has the following effects. Each of the anti-snow eaves plates has a shape that smoothes the flow of air by giving a slope to the front surface and naturally drops snow, and it is easy to install it on site using the anchor bolts as it is a commercial product. Since it is installed on the building and installed in parallel on the upper part of the construction structure, a series of snow canopy prevention effects can be obtained. The anti-eaves plate configured as described above, when installed in parallel, even if snow is accumulated on the anti-eaves plate by providing a certain distance, it does not cause a series of snowfall and has the effect of sliding off. is there. Since the anti-sheath plate has an inner sky, the wind from the back side passes through the inner sky of the anti-sheath plate in parallel and hollows out to speed up the wind speed, so that no snow is accumulated in the inner space of the anti-eave plate. There is also an effect. Therefore, since no snow is accumulated in the snow canopy prevention plate, it is effective to prevent the generation of icicles even when the snow is frozen and thawed. In a heavy snowfall area, by installing a wind direction converter on the back side, it is possible to use the wind from the side, suppress snow accumulation on the back side, reduce snow accumulation, and reduce the height of the eaves protection plate. In addition, the shape of this can be changed depending on the local conditions and wind direction at each site and can be replaced.

[Brief description of drawings]

FIG. 1 is a perspective view of a snow canopy prevention plate.

FIG. 2 is a perspective view from the back side of the above.

FIG. 3 is a left side view.

FIG. 4 is a front view.

FIG. 5 is a rear view.

FIG. 6 is a bottom view.

FIG. 7 is a front view of an installed state.

FIG. 8 is a rear view of the installed state.

FIG. 9 is a cross-sectional view of mounting the snow canopy prevention plate.

FIG. 10 is a rear view showing how the snow canopy plate is attached.

[Explanation of symbols]

 1 Snow Eaves Prevention Device 2 Upper Structure 3 Snow Eaves Prevention Plate 4 Frame 5 Surface Plate 6 Wind Direction Converter 7 Extension Leg 8 Rear Connecting Material 9 Anchor Bolt

Claims (4)

[Claims] 1. An appropriate number of snow canopy prevention plates (3, 3 ...) Installed in close contact with or at a predetermined interval on the upper part (2) of a structure such as a tunnel, a cover road, a retaining wall, or a shelter pit. The anti-sheath plate (3) is composed of a frame (4) and a surface plate (5) stretched on the front surface of the frame, and the frame (4) is an angle member made of metal, resin or the like. Left and right front sloped material (4A
1) A left and right frame (4A) composed of a vertical member (4A2) hangingly connected to the rear end and a lower member (4A3) connecting the lower end of the front inclined member (4A1) and the vertical member (4A2), and left and right Frame (4
The surface plate (5) is made of metal, resin, or the like, and is stretched on the front surface of the front inclined member (4A1) of the frame (4). Snow canopy prevention device characterized in that. 2. The canopy prevention device according to claim 1, further comprising a wind direction changer (6) additionally provided above the rear surface of the frame (4). 3. A surface plate having an arc shape, wherein the arc has a central angle of about 60 °.
The described snow canopy prevention device. 4. The snow canopy preventing device according to claim 1, wherein the height of the snow canopy preventing plate is set to about 70% of the maximum snow depth in each area.