JP2017218849A - Fixing bracket and fence beam attachment structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing bracket and a fence beam attachment structure capable of easily attaching a fence beam to a post by one worker by improving the workability.SOLUTION: A post 1 has an opening formed in a side wall 11. A bracket 3 has an engagement piece 34 which is formed in a downward hook as an engagement part. Compared to a central part 311 of the attachment part of the bracket 3, an upper part 312 of the attachment part of the bracket 3 is disposed closer to the post 1. The upper part 312 of the attachment part of the bracket 3 has a shape corresponding to an outer shape of the post 1. The upper part 312 of the attachment part of the bracket 3 is configured to abut on the side wall 11 of the post 1 in a state that the engagement piece 34 is engaged with the opening of the post 1.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a beam mounting structure for a fence such as a panel fence, a beam fence, or a mesh fence fence installed on a road or 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 in which a lateral beam is attached via a bracket that is substantially U-shaped in plan view as shown in Patent Document 1 is known. As shown in FIG. 9 of the drawing of Patent Document 1, the mounting structure of the horizontal beam on the support fence is a structure in which the horizontal beam is attached to the support via a U-shaped bracket in plan view. A bolt hole for inserting a mounting bolt for mounting the bracket is formed, while a hole for inserting the mounting bolt is formed on the surface on the mounting side of the bracket to the bracket column. The two surfaces projecting from the surface on the mounting side are provided with through-hole mounting bolt holes for mounting the transverse beam with beam mounting bolts.

Japanese Utility Model Publication No. 62-190712

  However, in the above beam mounting structure, when the horizontal beam is attached to the support column, the horizontal beam cannot be temporarily placed, so 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 is intended to improve the workability and to provide a mounting bracket for mounting a fence beam that can be easily installed by only one operator to a column and a beam mounting structure for the fence.

In order to achieve the above object, the present invention is configured as follows.
That is, in the mounting bracket according to the present invention, a plurality of fence beams are installed between the opposing side walls of a plurality of support columns standing upright at intervals, and the mounting bracket is connected to the fence beam. The receiving bracket includes a receiving bracket that covers the receiving bracket and a covering bracket that covers the receiving bracket. The receiving bracket extends in a longitudinal direction with a receiving portion that opens obliquely upward from a vertical plate-shaped mounting portion that is attached to the side wall of the column. The covering metal fitting has a covering portion that opens obliquely downward from a vertical plate-shaped attachment portion that is attached to the side wall of the support column, and the end of the fence beam is a receiving portion of the receiving metal fitting. The cover is covered with a cover portion of the cover metal from above or obliquely upward or horizontally, and an engaging portion for engaging with the support column is formed on the attachment portion of the cover metal and the cover metal, respectively. Has been An opening is formed in a side wall of the support column, an engaging portion of the receiving bracket is formed by a hook-like downward locking piece, and an upper portion of the mounting portion of the receiving bracket is an attachment portion of the receiving bracket In addition to being arranged on the column side compared to the center part, the upper part of the mounting part of the metal fitting has a shape corresponding to the outer shape of the column, and the locking piece is locked to the opening of the column, The upper part of the mounting portion of the metal fitting is in contact with the side wall of the support column.

  Further, in the mounting bracket according to the present invention, the engaging portion of the covering bracket is formed by a recessed portion formed by extruding a part of the vertical plate-shaped mounting portion to the column side. It is what.

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

  The beam mounting structure for a fence according to the present invention is characterized in that the fence beam is mounted on a support column using the mounting bracket.

  According to the mounting bracket according to the present invention, a plurality of fence beams are erected between the opposing side walls of the plurality of support columns erected at intervals, and the mounting bracket is connected to the fence beam. The receiving bracket includes a receiving bracket that covers the receiving bracket and a covering bracket that covers the receiving bracket. The receiving bracket extends in a longitudinal direction with a receiving portion that opens obliquely upward from a vertical plate-shaped mounting portion that is attached to the side wall of the column. The covering metal fitting has a covering portion that opens obliquely downward from a vertical plate-shaped attachment portion that is attached to the side wall of the support column, and the end of the fence beam is a receiving portion of the receiving metal fitting. The cover is covered with a cover portion of the cover metal from above or obliquely upward or horizontally, and an engaging portion for engaging with the support column is formed on the attachment portion of the cover metal and the cover metal, respectively. Because Since the fence beam can be temporarily placed on the receiving part while the bracket is locked to the support column, the worker can perform the fence work alone, and the worker can fix the cover metal and the fence beam. Can be performed with both hands, and the work efficiency is also greatly improved. In addition, an opening is formed in the side wall of the support column, and the engaging portion of the receiving bracket is formed by a hook-like downward locking piece, and the upper portion of the mounting portion of the receiving bracket is at the central portion of the mounting portion of the receiving bracket. The bracket is disposed on the side of the column, the upper part of the mounting part of the bracket is shaped to correspond to the outer shape of the column, and the bracket is locked in the opening of the column. Since the upper portion of the mounting portion is in contact with the side wall of the column, the upper portion of the mounting portion of the receiving bracket is in the side wall of the column in the state where the locking piece of the receiving bracket is locked to the opening of the column. When the end of the fence beam is temporarily placed on the receiving part of the receiving metal fitting, the receiving beam does not fall, and the fence beam is not dropped. Securely placed on the bracket It can be, therefore the mounting operation to the post of the fence beam can be carried out efficiently.

  Further, according to the mounting bracket according to the present invention, since the central portion of the mounting portion of the receiving bracket is inclined from the upper side to the lower side, the receiving bracket is inserted into the mounting hole formed in the side wall of the support column. When the locking portion of the bracket is locked, the receiving bracket is not rattled and is securely locked to the side wall of the support column, and the end of the fence beam is temporarily placed on the receiving portion of the receiving bracket. In this case, the fence beam can be surely temporarily placed on the catch metal without dropping the catch metal, so that the work of attaching the fence beam to the support column can be performed efficiently.

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

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

  In addition, according to the beam mounting structure of the fence according to the present invention, the fence beam is attached to the support column using the mounting bracket. Therefore, the mounting operation of the fence beam to the support column can be performed efficiently and reliably. It can be implemented and is preferred.

It is a front view which shows one Embodiment of the protection fence using the attachment metal fitting concerning the 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. It is AA sectional drawing of FIG. It is an enlarged view of the part of the receiving metal fitting of FIG. Of 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, (E) is a bottom view, (F) is a cross-sectional view taken along the line BB of (b). 1-4, (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 the line CC of (b).

  Next, embodiments of the present invention will be described. Note that this embodiment is merely an example for understanding the present invention, and variations other than the present embodiment regarding the shape, structure, material, and the like of each part are within the scope of the present invention. It goes without saying that it is allowed. In addition, the expression “right / left / right / up / down” in the following description is based on the directions shown in FIGS.

  In FIG. 1, 1 is a support | pillar, The lower part is embed | buried in the ground, and is standingly arranged in multiple ground surface at appropriate intervals. At appropriate positions on the front side and the back side of the side wall 11 of the support column 1, a metal fitting mounting hole 12, which is an opening for locking a mounting metal fixture P for attaching a later-described fence beam 2 to the support column 1, is opposed. It is drilled at the same level.

  A cap 13 is attached to the top of the support column 1 to improve its appearance and prevent rainwater and the like from flowing into the inner surface of the support column 1. The support column 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 a treatment such as painting or plating. Further, a strip-like reflector R is wound around and attached to the lower part of the cap 13 over the entire circumference, and exhibits a line-of-sight induction effect.

  Reference numeral 2 denotes a fence beam, which is installed between the opposing side walls of the plurality of support columns 1 via a receiving metal fitting 3 and a covering metal fitting 4 which are attachment metal fittings. A fence beam mounting hole 22 is formed on the side surface of the end portion 21 of the fence beam 2 at the same level. The fence beam 2 is also made of a metal tube having an appropriate cross-sectional shape such as a circular cross-section generally used conventionally, and the surface thereof is subjected to a treatment such as painting or plating.

  As described above, the mounting bracket is composed of the receiving bracket 3 and the covering bracket 4. As shown in FIG. 6, the metal fitting 3 has a receiving portion 32 that opens obliquely upward from a vertical plate-like attachment 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 at positions corresponding to the fence beam mounting holes 22 in the receiving portions 32 with which the side surfaces of the beam 2 abut.

  The central portion 311 of the attachment portion 31 has a hook-like downward locking piece that is an engagement portion for engaging the bracket 3 with a bracket attachment hole 12 formed in the side wall 11 of the column 1. 34 is formed. In addition, a reinforcing rib 35 is formed in a horizontally long elliptical shape on the attachment portion 31 of the receiving metal fitting 3. By providing the reinforcing rib 35, the strength of the metal fitting 3 can be improved.

  Further, as shown in FIGS. 4 and 5, the upper end portion 312 of the mounting portion of the metal fitting 3 is disposed on the side of the column 1 compared to the central portion 311 of the mounting portion of the metal fitting 3, and the mounting of the metal fitting 3 is also performed. The upper end portion 312 has a shape corresponding to the outer shape of the support column 1, and the upper end of the attachment portion of the receiving bracket 3 with the locking piece 34 locked in the bracket mounting hole 12 that is the opening of the support column 1. The portion 312 is in contact with the side wall 11 of the column 1.

  In addition, the lower end portion 313 of the attachment part of the metal fitting 3 is also arranged on the column 1 side compared to the center part 311 of the attachment part, similarly to the upper part 312 of the attachment part of the metal fitting 3, and the column 1 The lower end portion 313 of the mounting bracket 3 is the side wall of the column 1 while the locking piece 34 is locked in the bracket mounting hole 12 that is the opening of the column 1. 11 is brought into contact with 11.

  That is, the vertical plate-shaped attachment portion central portion 311 of the metal fitting 3 and the side wall 11 of the support column 1 are separated from each other, and a gap S1 is formed. And the said clearance gap S1 is formed so that it may become narrow as it goes from the upper part side of the said receiving metal fitting 3 to the lower part side. That is, the separation distances t1 and t2 between the side wall 11 of the support column 1 and the vertical plate-shaped attachment portion central portion 311 shown in FIG. 5 are the separation distance t1 on the upper side of the reception bracket 3. It is formed to be larger than the separation distance t <b> 2 on the lower side of the metal fitting 3. The structure of the metal fitting 3 will be described in another expression. In the state where the metal fitting 3 is attached to the side wall 11 of the column 1, the vertical plate-like attachment portion central portion 311 of the metal fitting 3 is the upper side. Is inclined to the lower side.

  A vertical plate-shaped attachment portion central portion 311 of the support fitting 3 is formed so as to be inclined from the upper side to the lower side, whereby the engagement of the support fitting 3 to the attachment hole 12 formed in the side wall 11 of the support column 1. When the stopper 34 is locked, the metal fitting 3 does not rattle and is securely and securely engaged with the side wall 11 of the column 1, and the end 21 of the fence beam 2 is received by the metal fitting 3. When temporarily placing on the portion 32, the fence beam 2 can be surely temporarily placed on the catch 3 without dropping the catch 3, so that the fence beam 2 can be attached to the column 1. Can be implemented efficiently.

  In the present embodiment, since the support column 1 is formed of a circular pipe, the upper end 312 of the attachment portion of the metal fitting 3 is formed in an arc shape corresponding to the outer shape of the support column 1. The shape is not limited to the shape shown in the present embodiment, and when the support column 1 is formed of a rectangular pipe, it is formed in a shape corresponding to the rectangular shape that is the outer shape thereof.

  In the covering metal 4, a covering portion 42 that opens obliquely downward from a vertical plate-like attachment portion 41 attached to the front side wall 11 of the support column 1 extends in the longitudinal direction, and the end portion 21 of the fence beam 2 is While 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, obliquely upward or horizontally, and further, the center of the mounting portion 41 of the covering metal fitting 4. The part 411 is formed with an engaging part 43 for engaging with the fitting mounting hole 12 which is an opening of the support column 1.

  And the attachment part upper end part 412 and the attachment part lower end part 413 of the said covering metal fitting 4 are arrange | positioned at the said support | pillar 1 side compared with the said attachment part center part 411 similarly to those of the said receiving metal fitting 3, and the said In a state corresponding to the outer shape of the column 1 and the engagement portion 43 being engaged with the bracket mounting hole 12 that is the opening of the column 1, the upper end portion 412 and the lower end of the mounting portion of the cover 4 The part 413 is configured to contact the side wall 11 of the support column 1.

  That is, the vertical plate-shaped attachment portion central portion 411 of the covering metal fitting 4 and the side wall 11 of the support column 1 are spaced apart to form a gap S2. Unlike the above-described receiving metal fitting 3, the gap S <b> 2 formed between the vertical plate-shaped attachment portion central portion 411 of the covering metal fitting 4 and the side wall 11 of the support column 1 is formed on the covering metal fitting 4. It is formed to be substantially the same from the upper side to the lower side. That is, in the state in which the covering metal 4 is attached to the side wall 11 of the support column 1, the vertical plate-like attachment portion central part 411 of the covering metal 4 is formed in a substantially vertical shape from the upper side to the lower side. Yes.

  Further, through-holes 44 are formed in the covering portion 42 of the covering metal fitting 4 at positions corresponding to the fence beam mounting 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 covering metal 4. By providing this reinforcing rib 45, the strength of the covering metal fitting 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 ° obliquely 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 is opened at an angle of approximately 45 ° obliquely upward. Further, the covering portion 42 of the covering metal 4 is formed in a semi-cylindrical shape in which the cylinder is cut at an angle of about 45 ° obliquely in a side view opposite to the receiving metal fitting in order to correspond to the cross-sectional outer shape of the fence beam 2. That is, the covering portion 42 is opened at an angle of approximately 45 ° obliquely downward.

  The receiving metal fitting 3 and the covering metal fitting 4 will be described in more detail. The hook-like downward locking piece 34 that is an engaging portion of the receiving metal fitting 3 is one of the vertical plate-like attachment portions 31 of the receiving metal fitting 3. This is formed by punching out the portion and bending the punched portion into the inverted L shape on the column 1 side.

  Further, the engaging portion 43 of the cover metal 4 is formed by a recessed portion 431 formed by extruding a part of the vertical plate-like mounting portion 41 toward the support column 1 side. In addition, in this embodiment, although the said recessed part 431 is formed in bottomed, it is not limited to this, The bottom part 432 may be penetrated.

Next, a method for attaching the fence beam 2 to the column 1 will be described.
First, the hook-like downward locking piece 34 of the receiving metal fitting 3 is inserted and locked into the metal fitting mounting hole 12 drilled on the back side of the column 1.

  Next, the two fence beams 2 are placed in the horizontal direction on the receiving portion 32 of the metal fitting 3, 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 the cylinder is cut at an angle of approximately 45 ° obliquely in 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 part of the attachment part 31 of the metal fitting 3 is arranged closer to the column 1 than the attachment part central part 311 of the metal fitting 3, and the upper part 312 of the attachment part of the metal fitting 3 is connected to the column 1. The upper end 312 of the mounting portion 3 of the receiving bracket 3 is the side wall of the column 1 while the locking piece 34 is locked in the bracket mounting hole 12 that is the opening of the column 1. 11, even when the fence beam 2 is placed on the receiving portion 32 of the receiving bracket 3, the receiving bracket 3 does not wobble and the fence beam 2 does not fall.

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

  Since the mounting bracket and the beam mounting structure of the fence using the mounting bracket are used, the fence beam 2 is temporarily placed on the receiving portion 32 in a state where the receiving bracket 3 is fixed to the column 1 as described above. In addition to being able to carry out the construction of the fence by one worker, the worker can perform the work of fixing the covering metal 4 and the fence beam 2 with both hands, so that the work efficiency is remarkably improved. In addition, when the fence beam 2 is temporarily placed on the receiving portion 32 of the catch metal 3, the fence beam 2 can be placed on the catch metal 3 from a horizontal direction, 2 does not need to be lifted and placed above the receiving portion 32 of the receiving metal fitting 3, and the fence beam 2 can be easily temporarily placed on the receiving portion 32 of the receiving metal fitting 3 without labor and effort. . Furthermore, it is not necessary to use mounting bolts for mounting the mounting brackets conventionally used to mount the mounting brackets 3 and the cover brackets 4 to the columns 1 so that the mounting work can be performed efficiently. In addition, the number of mounting bolts, the number of members and the cost can be reduced, which is preferable.

  As the support column 1, generally, a pipe made of aluminum, stainless steel, steel, or the like, a long body made of a shape material, or a material obtained by cutting it into a suitable length, or a product obtained by plating or painting them can be suitably used. .

  In the same manner as the support column 1, the fence beam 2 is generally obtained by cutting a long body made of a pipe or shape of aluminum, stainless steel, steel, or the like into an appropriate length, or by plating or painting them. Etc. can be used suitably.

  In consideration of supporting the fence beam 2, it is preferable to use metal fittings for the receiving fitting 3 and the covering fitting 4 that are the mounting fittings. In general, a metal flat plate such as aluminum, stainless steel, or steel is press-formed. Processed ones, those plated and painted on them, and the like can be suitably used.

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

DESCRIPTION OF SYMBOLS 1 Support | pillar 11 Side wall 12 Bracket attachment hole 13 Cap 2 Fence beam 21 End 22 Fence beam attachment hole 3 Receptacle 31 Attachment part 311 Attachment part center part 312 Attachment part upper end part 313 Attachment part lower end part 32 Receiving part 33 Through hole 34 Engagement Stop piece 35 Reinforcement rib 4 Cover metal fitting 41 Attachment part 411 Attachment part center part 412 Attachment part upper end part 413 Attachment part lower end part 42 Cover part 43 Engagement part 431 Recess part 432 Bottom part 44 Through hole 45 Reinforcement rib 5 Fence beam fixing bolt S Guard fence N Nut R Reflectors S1, S2 Clearance t1, t2 Separation distance

Claims (5)

  A plurality of fence beams are installed via attachment brackets between respective opposing side walls of a plurality of support columns standing at intervals, and the attachment brackets receive the end portions of the fence beams and the receivers. The bracket includes a bracket that covers the bracket, and the bracket has a longitudinally extending receiving portion that opens obliquely above the vertical plate-shaped mounting portion that is mounted on the side wall of the column. A covering portion that opens obliquely downward from a vertical plate-shaped attachment portion attached to the side wall extends in the longitudinal direction, and an 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 A mounting bracket in which the covering portion is covered from above or obliquely upward or horizontally, and an engaging portion for engaging with the support column is formed on the mounting portion of the receiving bracket and the covering bracket, On the side wall of the column An opening is formed, the engaging part of the receiving metal is formed by a hook-like downward locking piece, and the upper part of the attaching part of the receiving metal is arranged on the column side compared to the central part of the attaching part of the receiving metal In addition, the upper part of the mounting part of the metal fitting has a shape corresponding to the outer shape of the column, and the upper part of the mounting part of the metal fitting is the side wall of the column with the locking piece locked to the opening of the column. A mounting bracket characterized in that the mounting bracket is adapted to abut against.   The mounting bracket according to claim 1, wherein a central portion of the mounting portion of the receiving bracket is inclined from the upper side to the lower side.   2. The attachment according to claim 1, wherein the engaging portion of the cover metal is formed by a recessed portion formed by extruding a part of the vertical plate-like attachment portion toward the column. Hardware.   The engaging portion of the receiving bracket is formed by punching a part of the vertical plate-shaped mounting portion of the receiving bracket, and bending the punched portion in an inverted L shape toward the support column. The mounting bracket according to claim 1 or 2.   A fence beam mounting structure in which a fence beam is attached to a support using the mounting bracket according to claim 1.

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