JP6725330B2 - Beam mounting structure for mounting brackets and fences - Google Patents

Description

The present invention relates to a beam mounting structure for fences such as panel fences, beam fences, and mesh fence fences installed on roads and the like.

2. Description of the Related Art Conventionally, as a protective fence installed on a road or the like, for example, a protective fence having a lateral beam attached via a bracket having a substantially U-shape in plan view as shown in Patent Document 1 is known. As shown in FIG. 9 of the drawing of Patent Document 1, the structure for attaching the lateral beam to the support in the above-mentioned protective fence is a structure for attaching the lateral beam to the support via a bracket having a U-shape in plan view. Is formed with a bolt hole for inserting a mounting bolt for mounting the bracket, while a hole for inserting the mounting bolt is formed on a surface of the bracket on the side where the bracket is mounted. A through-hole mounting bolt hole for mounting the lateral beam with a beam mounting bolt is formed on the two surfaces projecting from the mounting side surface.

Japanese Utility Model Publication No. 62-190712

However, in the above-mentioned beam mounting structure, since the horizontal beam cannot be temporarily placed when the horizontal beam is mounted on the column, installation work must be performed by a plurality of workers, and there is room for improvement in workability. Was left behind.

Therefore, the present invention aims to improve the workability and to provide a mounting bracket for mounting a fence beam to a strut that can be easily installed by only one worker and a beam mounting structure for the fence.

In order to achieve the above object, the present invention has the following configuration.
That is, in the mounting bracket according to the present invention, a plurality of fence beams are erected between the respective side walls of the plurality of pillars which are erected at intervals and are opposed to each other, and the mounting bracket is the fence beam. Of the receiving member and a covering member that covers the receiving member, and the receiving member has a receiving portion that extends obliquely upward from a vertical plate-shaped mounting portion that is mounted on the side wall of the column and extends in the longitudinal direction. The covering member is provided with a covering portion opening obliquely downward from a vertical plate-shaped mounting portion attached to the side wall of the column and extending in the longitudinal direction, and an end portion of the fence beam is a receiving portion of the receiving fitting. In addition to being received, the covering portion of the covering metal fitting is covered from above or obliquely above or from the horizontal direction, and the mounting portions of the receiving metal fitting and the covering metal fitting are respectively formed with engaging portions for engaging with the column. An opening is formed in the side wall of the column, the engaging portion of the receiving metal fitting is formed by a hook-shaped downward engaging piece, and the upper portion of the mounting portion of the receiving metal fitting is the receiving metal fitting. The mounting portion of the receiving metal fitting is located closer to the column than the central portion of the column, and the upper portion of the mounting part of the receiving metal fitting has a shape corresponding to the outer shape of the column, and the locking piece is locked in the opening of the column. In this state, the upper part of the mounting part of the receiving metal fitting is brought into contact with the side wall of the support column, and the central part of the mounting part of the receiving metal fitting is formed to be inclined from the upper side to the lower side. Is.

Further, in the mounting member according to the present invention, the engaging portion of the cover member is formed by a recessed portion formed by extruding a part of the vertical plate-shaped mounting portion toward the pillar side. It is what

Further, in the mounting bracket according to the present invention, the engaging portion of the receiving bracket is formed by punching out a part of a vertical plate-shaped mounting portion of the receiving bracket and bending the punched portion in an inverted L shape toward the column side. It is characterized by being formed.

Further, the fence beam mounting structure according to the present invention is characterized in that the fence beam is mounted on a column by using the mounting bracket.

According to the mounting bracket of the present invention, a plurality of fence beams are installed between the opposing side walls of a plurality of columns that are erected at intervals via the mounting bracket, and the mounting bracket is the fence beam. Of the receiving member and a covering member that covers the receiving member, and the receiving member has a receiving portion that extends obliquely upward from a vertical plate-shaped attaching portion that is attached to the side wall of the column and extends in the longitudinal direction. The covering member is provided with a covering portion that opens obliquely downward from a vertical plate-shaped mounting portion that is attached to the side wall of the column and extends in the longitudinal direction, and the end portion of the fence beam is the receiving portion of the receiving metal member. In addition to being received, the covering portion of the covering metal fitting is covered from above or obliquely above or from the horizontal direction, and the mounting portions of the receiving metal fitting and the covering metal fitting are respectively formed with engaging portions for engaging with the column. Therefore, the fence beam can be temporarily placed on the receiving part while the receiving metal fitting is locked to the support, so that the operator can perform the construction of the fence. Since the fence beam can be fixed with both hands, the work efficiency is significantly improved. In addition, an opening is formed in the side wall of the column, the engaging portion of the receiving metal fitting is formed by a hook-shaped downward engaging piece, and the upper mounting portion of the receiving metal fitting is at the central portion of the mounting portion of the receiving metal fitting. Compared with being arranged on the side of the column, the upper part of the mounting portion of the bracket is shaped to correspond to the outer shape of the column, and the locking piece is locked in the opening of the column, Since the upper part of the mounting part of the bracket is abutted against the side wall of the column, the upper part of the mounting part of the bracket is in contact with the side wall of the column when the locking piece of the bracket is locked in the opening of the column. Since the receiving bracket does not rattle due to being abutted against the rail, when the end portion of the fence beam is temporarily placed on the receiving part of the receiving bracket, the receiving bracket does not fall and the fence beam is Since it can be reliably temporarily placed on the receiving metal fitting, the work of attaching the fence beam to the column can be efficiently performed.

Further, according to the mounting bracket of the present invention, since the central portion of the mounting portion of the receiving bracket is formed so as to be inclined from the upper side to the lower side, the receiving bracket is formed in the bracket mounting hole formed in the side wall of the column. When the locking part is locked, the receiving metal fitting is securely and reliably locked to the side wall of the pillar without rattling, and the end of the fence beam is temporarily placed on the receiving part of the receiving metal fitting. At this time, the fence beam can be surely temporarily placed on the receptacle without the receptacle being dropped, so that the work of attaching the fence beam to the column can be efficiently performed.

Further, according to the mounting bracket of the present invention, since the engaging portion of the cover member is formed by the recessed portion formed by extruding a part of the vertical plate-shaped mounting portion toward the column side, It is not a complicated shape and can be manufactured at low cost.

Further, according to the mounting bracket of the present invention, a part of a vertical plate-shaped mounting portion of the receiving bracket is punched out from the engaging portion of the receiving bracket, and the punched-out portion is bent to the column side in an inverted L shape. Since it is formed by the above, it can be manufactured at low cost.

Further, according to the fence beam mounting structure according to the present invention, since the fence beam is mounted on the column by using the mounting bracket, the fence beam can be mounted on the column efficiently and reliably. It can be carried out and is preferred.

It is a front view which shows one Embodiment of the protection fence using the attachment metal fitting which concerns on invention of Claim 1. It is a perspective view which shows the principal part of the protection fence shown in FIG. FIG. 3 is an exploded perspective view of FIG. 2. FIG. 3 is a sectional view taken along line AA of FIG. 2. It is an enlarged view of the part of the receiving metal fitting of FIG. Among the mounting brackets shown in FIGS. 1 to 5, (a) is a perspective view, (b) is a front view, (c) is a side view, (d) is a plan view, and (e) is a bottom view. (F) is a BB sectional view of (b). Of the mounting brackets shown in FIGS. 1 to 4, (a) is a perspective view, (b) is a front view, (c) is a side view, (d) is a plan view, (e) is a bottom view, F) is a cross-sectional view taken along line CC of FIG.

Next, embodiments of the present invention will be described. It should be noted that the present embodiment is merely an example for understanding the present invention, and the shapes, structures, materials, etc. of the respective parts are within the scope not departing from the gist of the present invention, with respect to variations other than the present embodiment. Needless to say, it is allowed. Further, in the following description, the expression of “right, left, right, up and down” is based on the directions shown in FIGS. 2 and 3.

In FIG. 1, 1 is a pillar, the lower part of which is buried in the ground and is erected on a plurality of ground surfaces at appropriate intervals. Metal fittings mounting holes 12 which are openings for locking fittings P for mounting the fence beam 2 described later to the pillar 1 are provided at appropriate positions on the front and back sides of the side wall 11 of the pillar 1. It is drilled at the same level.

A cap 13 is attached to the top of the pillar 1 to improve the appearance and prevent rainwater and the like from flowing into the inner surface of the pillar 1. The pillar 1 is made of a metal tube having an appropriate cross-sectional shape such as a circular cross-section, and the surface thereof is subjected to treatment such as painting and plating. Further, a strip-shaped reflector R is wound around and attached to the lower portion of the cap 13 over the entire circumference, and exhibits a visual line guiding effect.

Reference numeral 2 denotes a fence beam, which is erected between the side walls of the plurality of columns 1 facing each other with a receiving metal fitting 3 and a covering metal fitting 4 interposed therebetween. On the side surface of the end portion 21 of the fence beam 2, a fence beam attachment hole 22 is formed at the same level so as to face each other. The fence beam 2 is also made of a metal tube having an appropriate cross-sectional shape such as a generally circular cross-section that has been conventionally used, and the surface thereof is subjected to treatment such as painting and plating.

As described above, the mounting bracket is composed of the receiving bracket 3 and the cover bracket 4. As shown in FIG. 6, the receiving metal fitting 3 has a receiving portion 32, which is opened obliquely upward from a vertical plate-shaped attaching portion 31 attached to the back side wall 11 of the support column 1 and extends in the longitudinal direction on both sides. Through holes 33 are formed in the receiving portion 32, which the side surface of the beam 2 abuts, at positions corresponding to the fence beam mounting holes 22.

Further, a hook-shaped downward engaging piece which is an engaging portion for engaging the receiving metal fitting 3 with the metal fitting mounting hole 12 formed in the side wall 11 of the pillar 1 is provided in the central portion 311 of the mounting portion 31. 34 is formed. In addition, a reinforcing rib 35 is formed in a horizontally long elliptical shape on the mounting portion 31 of the receiving metal fitting 3. By providing the reinforcing ribs 35, the strength of the receiving fitting 3 can be improved.

Further, as shown in FIGS. 4 and 5, the upper end portion 312 of the mounting portion of the receiving metal fitting 3 is arranged closer to the column 1 than the central portion 311 of the mounting portion of the receiving metal fitting 3, and the mounting of the receiving metal fitting 3 is performed. The upper end portion 312 of the receiving portion 3 has a shape corresponding to the outer shape of the support column 1 and the locking piece 34 is locked in the metal fitting mounting hole 12 which is the opening of the support column 1. The portion 312 contacts the side wall 11 of the support column 1.

Further, the lower end portion 313 of the mounting portion of the receiving metal fitting 3 is also disposed closer to the support column 1 side than the central portion 311 of the mounting portion, as is the upper end portion 312 of the mounting portion of the receiving metal fitting 3, and the supporting column 1 In the state in which the locking piece 34 is locked in the metal fitting mounting hole 12 which is the opening of the pillar 1, the lower end 313 of the mounting portion of the receiving metal fitting 3 has a side wall of the pillar 1. 11 is abutted.

That is, the vertical plate-shaped mounting portion central portion 311 of the receiving metal fitting 3 and the side wall 11 of the pillar 1 are separated from each other, and a gap S1 is formed. The gap S1 is formed so as to become narrower from the upper side to the lower side of the receiving fitting 3. That is, the distances t1 and t2 between the side wall 11 of the pillar 1 and the central portion 311 of the vertical plate-shaped mounting portion of the receiving metal fitting 3 shown in FIG. It is formed to be larger than the separation distance t2 on the lower side of the metal fitting 3. The structure of the receiving metal fitting 3 will be described in still another expression. In the state where the receiving metal fitting 3 is attached to the side wall 11 of the pillar 1, the central portion 311 of the vertical plate-shaped mounting portion of the receiving metal fitting 3 is on the upper side. To the lower side.

The central portion 311 of the vertical plate-shaped mounting portion of the receiving metal fitting 3 is formed so as to be inclined from the upper side to the lower side, so that the engaging metal fitting mounting hole 12 formed in the side wall 11 of the pillar 1 engages with the receiving metal fitting 3. When the stopper 34 is locked, the receiving metal fitting 3 is firmly and surely locked to the side wall 11 of the pillar 1 without rattling, and the end 21 of the fence beam 2 is received by the receiving metal fitting 3. At the time of temporarily placing it on the portion 32, the fence beam 2 can be reliably temporarily placed on the receiving fixture 3 without the receiving metal fitting 3 falling, so that the work of attaching the fence beam 2 to the column 1 can be performed. Can be implemented efficiently.

In addition, in the present embodiment, since the pillar 1 is formed of a circular pipe, the upper end portion 312 of the mounting portion of the receiving metal fitting 3 is formed in an arc shape corresponding to the outer shape of the pillar 1. However, the shape is not limited to the shape shown in the present embodiment, and when the pillar 1 is formed of a square pipe, it is formed in a shape corresponding to the square shape which is its outer shape.

The covering member 4 has a covering portion 42 that extends obliquely downward from a vertical plate-shaped mounting portion 41 that is mounted on the front side wall 11 of the pillar 1, and extends in the longitudinal direction. In addition to being received by the receiving portion 31 of the receiving metal fitting 3, the covering portion 42 of the covering metal fitting 4 is covered from above or obliquely above or from the horizontal direction, and further, in the center of the mounting portion 41 of the covering metal fitting 4. The portion 411 is formed with an engagement portion 43 for engaging with the metal fitting mounting hole 12 which is the opening of the support column 1.

The upper end 412 of the mounting portion 412 and the lower end 413 of the mounting portion of the cover member 4 are arranged closer to the support column 1 side than the central portion 411 of the mounting portion, similar to those of the receiving member 3. With a shape corresponding to the outer shape of the pillar 1, and with the engagement portion 43 engaged with the metal fitting mounting hole 12 that is the opening of the pillar 1, the upper end portion 412 and the lower end portion of the mounting portion 4 of the cover fitting 4 are attached. The part 413 is adapted to abut the side wall 11 of the pillar 1.

That is, the central portion 411 of the vertical plate-shaped mounting portion of the cover member 4 and the side wall 11 of the support column 1 are separated from each other, and a gap S2 is formed. Unlike the above-described receiving fitting 3, the gap S2 formed between the central portion 411 of the vertical plate-shaped mounting portion of the covering fitting 4 and the side wall 11 of the support column 1 has a gap S2 of the covering fitting 4 It is formed so as to be almost the same from the upper side to the lower side. That is, in the state where the covering metal fitting 4 is attached to the side wall 11 of the support column 1, the central portion 411 of the vertical plate-shaped mounting portion of the covering metal fitting 4 is formed substantially vertically from the upper side to the lower side. There is.

Further, through-holes 44 are formed in the cover portion 42 of the cover member 4 at positions corresponding to the fence beam attachment holes 22 of the fence beam 2. A reinforcing rib 45 is formed in a horizontally long elliptical shape on the mounting portion 41 of the cover member 4. By providing this reinforcing rib 45, the strength of the covering metal member 4 can be improved.

The receiving portion 32 of the receiving metal fitting 3 is formed in a semi-cylindrical shape in which a cylinder is cut at an angle of approximately 45° in a side view so as to correspond to the cross-sectional outer shape of the fence beam 2. That is, the receiving portion 32 opens obliquely upward at approximately 45°. Further, the covering portion 42 of the covering member 4 is formed in a semi-cylindrical shape in which a cylinder is cut at an angle of approximately 45° in a side view, which is opposite to the receiving member, in order to correspond to the cross-sectional outer shape of the fence beam 2. That is, the covering portion 42 is opened obliquely downward at approximately 45°.

The receiving metal fitting 3 and the covering metal fitting 4 will be described in more detail. The hook-shaped downward engaging piece 34 which is the engaging portion of the receiving metal fitting 3 is one of the vertical plate-shaped mounting portions 31 of the receiving metal fitting 3. It is formed by punching out a portion and bending the punched portion in an inverted L shape toward the pillar 1.

In addition, the engaging portion 43 of the cover fitting 4 is formed by a recessed portion 431 formed by extruding a part of the vertical plate-shaped mounting portion 41 toward the pillar 1. In addition, in this embodiment, although the said recessed part 431 is formed with a bottom, it is not restricted to this and the bottom part 432 may penetrate.

Next, a method of attaching the fence beam 2 to the column 1 will be described.
First, the hook-shaped downward engaging piece 34 of the receiving metal fitting 3 is inserted and locked in the metal fitting mounting hole 12 formed on the back side of the pillar 1.

Next, the two fence beams 2 are placed on the receiving portion 32 of the receiving metal fitting 3 from the horizontal direction, and the temporary placement of the fence beams 2 is completed. At this time, as described above, the receiving portion 32 of the receiving metal fitting 3 is formed in a semi-cylindrical shape in which a cylinder is cut at an angle of approximately 45° in a side view so as to correspond to the cross-sectional outer shape of the fence beam 2. Therefore, the fence beam 2 placed on the receiving portion 32 can be prevented from falling.

Further, the upper portion of the mounting portion 31 of the receiving metal fitting 3 is arranged closer to the support column 1 side than the central portion 311 of the mounting portion of the receiving metal fitting 3 and the upper end portion 312 of the mounting portion 3 of the receiving metal support 3 is the pillar 1. With the shape corresponding to the outer shape of the support fitting 1, and the locking piece 34 is locked in the fitting mounting hole 12 which is the opening of the support pillar 1, the upper end portion 312 of the mounting portion 3 of the receiving fitting 3 is a side wall of the support pillar 1. Since it is adapted to abut against the fence 11, even when the fence beam 2 is placed on the receiving portion 32 of the receiving metal fitting 3, the receiving metal fitting 3 does not wobble and the fence beam 2 does not drop.

Then, the covering portion 42 of the covering metal member 4 is covered over the fence beam 2 from above or obliquely above or in the horizontal direction, and the recessed portion 431 which is the engaging portion 43 of the covering metal member 4 is attached to the metal fitting mounting hole 12 of the column 1. The fitting portion 41 of the cover fitting 4 is brought into contact with the side wall 11 of the pillar 1, and the through hole 44 formed at the end of the cover portion 42 of the cover fitting 4 and the fence The fence beam fixing bolt 5 is inserted and the nut N is screwed so as to horizontally penetrate the beam mounting hole 21 and the through hole 33 formed at the end of the receiving portion 32 of the receiving metal fitting 3. The fence beam 2 is attached to the column 1 through the receiving metal fitting 3 and the covering metal fitting 4. At this time, the end 21 of the fence beam 2 is fixed in a state of being surrounded by the receiving fitting 3 and the covering fitting 4.

Since the mounting bracket and the beam mounting structure for the fence using the mounting bracket are configured as described above, the fence beam 2 is temporarily placed on the receiving portion 32 while the receiving bracket 3 is fixed to the support column 1 as described above. In addition to being able to carry out the construction of the fence by one worker, the worker can also fix the cover fitting 4 and the fence beam 2 with both hands, so that the work efficiency is also significantly improved. In addition, when the fence beam 2 is temporarily placed on the receiving portion 32 of the receiving metal fitting 3, the fence beam 2 can be placed horizontally with respect to the receiving metal fitting 3. It is not necessary to lift and place 2 above the receiving portion 32 of the receiving metal fitting 3, and the fence beam 2 can be temporarily placed on the receiving portion 32 of the receiving metal fitting 3 easily with no labor and labor. .. Further, since it is not necessary to use the mounting bolts for mounting the mounting metal fittings, which have been conventionally used for mounting the mounting metal fittings 3 and the covering metal fittings 4 which are the mounting metal fittings, to the pillars 1, the mounting work can be carried out efficiently. In addition to the mounting bolts, it is possible to reduce the number of members and cost, which is preferable.

As the support column 1, generally, a long body made of aluminum, stainless steel, steel or the like, a long body made of a shape member, cut to an appropriate length, or plated or coated on them can be suitably used. ..

The fence beam 2 is, similar to the pillar 1, generally made by cutting a long body made of aluminum, stainless steel, steel, or the like into a proper length, or by plating or painting them. Etc. can be used suitably.

It is preferable to use the metal fittings 3 and the covering fittings 4 which are the mounting fittings in consideration of supporting the fence beam 2, and generally press-mold a flat plate made of metal such as aluminum, stainless steel or steel. A processed product, a product obtained by plating or coating them, or the like can be preferably used.

In the present embodiment, the fence beam 2 is attached to the support column 1 in four steps up and down, but the number of steps is not limited to four and may be any number of steps.

DESCRIPTION OF SYMBOLS 1 prop 11 side wall 12 metal fitting mounting hole 13 cap 2 fence beam 21 end 22 fence beam mounting hole 3 receiving fitting 31 mounting portion 311 mounting portion central portion 312 mounting portion upper end portion 313 mounting portion lower end portion 32 receiving portion 33 through hole 34 Stop piece 35 Reinforcing rib 4 Covering metal fitting 41 Mounting part 411 Mounting part central part 412 Mounting part upper end part 413 Mounting part lower end part 42 Covering part 43 Engaging part 431 Recessed part 432 Bottom part 44 Through hole 45 Reinforcing rib 5 Fence beam fixing bolt S Guard fence N Nut R Reflectors S1, S2 Gap t1, t2 Separation distance

Claims (4)

A plurality of fence beams are erected between respective side walls of the plurality of columns which are erected at intervals and are opposed to each other, and the fixture includes a receiving fixture for receiving an end portion of the fence beam and the receiving fixture. The receiving metal fitting comprises a metal fitting covering the metal fitting, and the receiving metal fitting has a receiving portion extending obliquely upward from a vertical plate-shaped mounting portion mounted on a side wall of the support pillar and extending in the longitudinal direction. A covering portion opening obliquely downward from a vertical plate-shaped mounting portion attached to the side wall is extended in the longitudinal direction, the end portion of the fence beam is received by the receiving portion of the receiving metal fitting, and the covering metal fitting is provided thereon. Is a mounting member which is covered from above or obliquely above or from a horizontal direction, and the receiving member and the mounting part of the covering member each have an engaging portion for engaging with the support column. An opening is formed in a side wall of the support pillar, an engaging portion of the receiving metal fitting is formed by a hook-shaped downward engaging piece, and an upper portion of the mounting portion of the receiving metal fitting is closer to the supporting pillar side than a central portion of the mounting portion of the receiving metal fitting. And the upper part of the mounting part of the receiving metal fitting has a shape corresponding to the outer shape of the column, and the locking piece is locked in the opening of the supporting column, the upper part of the mounting part of the receiving metal component is Is in contact with the side wall of the column, and the central portion of the mounting portion of the receiving metal fitting is formed to be inclined from the upper side to the lower side . The engaging portion of the cover fitting mounting according to claim 1, wherein a part of the longitudinal plate-shaped mounting portion is formed by recessed portions which are formed by extruding the post side Metal fittings. The engaging portion of the receiving metal fitting is formed by punching out a part of a vertical plate-shaped mounting portion of the receiving metal fitting and bending the punched-out portion in an inverted L shape toward the column side. The mounting bracket according to claim 1 . A beam mounting structure for a fence, characterized in that a fence beam is attached to a support using the attachment fitting according to any one of claims 1 to 3.

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