JP5696100B2 - Rod antenna mounting bracket, mounting method of rod antennas with different diameters using the bracket - Google Patents

Description

  The present invention relates to a rod-shaped antenna mounting bracket for mounting a plurality of rod-shaped antennas to a brace.

  As antennas for mobile phone base stations, relay stations, etc., pole-shaped antennas (hereinafter referred to as rod-shaped antennas) are used, and it is required to install as many rod-shaped antennas as possible for armbands. ing. For this reason, as a rod-shaped antenna mounting bracket for mounting a plurality of rod-shaped antennas to a brace, for example, a brace is attached to the upper end of a utility pole by a band body, and a pair of braces are attached perpendicularly to the upper end of the prop. A method has been proposed in which a gripping metal fitting is attached to both ends of a support arm portion at the tip of the armrest by welding or the like, a rod-shaped antenna is supported on the gripping bracket, and two rod-shaped antennas are attached to both sides of the armrest. (For example, refer to Patent Document 1).

JP 2000-134014 A

  By the way, in the above-described conventional rod-shaped antenna mounting bracket, a plurality of rod-shaped antennas can be mounted on the arm metal. However, a support arm portion orthogonal to the arm metal is provided in advance at the arm metal tip, The arm bracket, the support arm, and the gripping bracket are configured in one piece in advance, such as by attaching the gripping bracket to each end in advance by welding, etc.When storing or transporting the rod-shaped antenna mounting bracket, There was a problem that a large space was necessary.

  In addition, the gripping brackets that are attached in advance by welding or the like to both ends of the support arm are curved according to the outer diameter of the rod-shaped antenna to be mounted. There is also a problem that the arm and the support arm that are integral with the arm must be exchanged, which is not efficient.

  Therefore, the present invention has been made paying attention to such a problem, and does not require a large space for storage or transportation, and even when the outer diameter of the rod-shaped antenna to be attached changes, It is an object of the present invention to provide a rod-shaped antenna mounting bracket that does not require replacement of even a member that is orthogonal to the above, and a method for mounting a rod-shaped antenna having a different diameter using the bracket.

In order to solve the above problems, a rod-shaped antenna mounting bracket according to the present invention is a rod-shaped antenna mounting bracket for mounting a plurality of rod-shaped antennas to a brace extending substantially horizontally from a power pole, and a long gripping plate, It has an angle plate and a short grip plate, and the long grip plate has a U-shaped cross section composed of both upper and lower side surfaces and a relay side surface between them. An antenna clamping part is provided for clamping the angle plate, and a bolt hole for connecting the angle plate and the short grip plate by a bolt is provided on the relay side surface, and the angle plate has a horizontal plane in contact with the upper side surface of the arm metal. The long gripping plate has an L-shaped cross section composed of a vertical surface in contact with the back side of the relay side surface of the long grip plate, and a bolt hole is provided at the center of the horizontal plane for coupling with the upper side surface of the arm metal by a bolt. While drooping Bolt holes for connecting with the back side of the relay side of the long gripping plate with bolts are provided on both sides of the surface, and the short gripping plate has a U-shaped cross section consisting of upper and lower side surfaces and the relay side surface therebetween. In addition, an antenna pinching groove portion corresponding to the outer diameter of the rod-shaped antenna to be mounted is provided in the middle of the longitudinal direction of both the upper and lower side surfaces, and a bolt hole is provided on the relay side surface so that the bolt passes through both sides of the antenna pinching groove portion. It is provided to be opposed to the antenna holding groove portion of the long gripping plate via the rod-shaped antenna.
Here, the antenna holding portion of the long holding plate is an antenna holding groove portion having a semicircular shape in plan view corresponding to the outer diameter of the large-diameter rod antenna, and the short holding plate has a large size for a large-diameter rod antenna. There is a small-diameter antenna grip plate and a small-diameter antenna grip plate for a small-diameter rod antenna. The large-diameter antenna grip plate and the antenna holding groove portion of the small-diameter antenna grip plate have a large-diameter rod antenna and a small-diameter rod antenna, respectively. It has a semicircular shape in plan view according to the outer diameter, and the antenna holding groove portion of the small-diameter antenna holding plate is deeper than the antenna holding groove portion of the large-diameter antenna holding plate, so that there are many contact portions with the rod-shaped antenna. It is good to make it.
In addition, the antenna mounting method according to the present invention using the above-described rod-shaped antenna mounting bracket is to connect the arm metal and the angle plate with bolts by matching the upper surface of the arm metal and the bolt hole on the horizontal surface of the angle plate, By aligning the vertical surface of the angle plate and the bolt hole on the back side of the relay side of the long grip plate and connecting the angle plate and the long grip plate with the bolt, the long grip plate is attached to the arm metal via the angle plate. When fixing and attaching a large-diameter rod antenna to the long gripping plate, the large-diameter rod shape is formed by the antenna clamping portions on the top and bottom sides of the long gripping plate and the antenna clamping grooves on the top and bottom sides of the short gripping plate. While holding the antenna, attach the large-diameter rod-shaped antenna by holding both sides of the large-diameter rod antenna through the bolt holes on the relay side of the long-grip plate and short-grip plate. When attaching a small-diameter rod antenna to the plate, the small-diameter rod antenna is sandwiched between the rear side of the relay side of the long grip plate and the antenna clamping grooves on the upper and lower sides of the short grip plate, A small-diameter rod antenna is attached by clamping both sides of a small-diameter rod antenna through a bolt through a bolt hole on the relay side surface of the short grip plate.

  According to the rod-shaped antenna mounting bracket of the present invention and the mounting method of the rod-shaped antenna having different diameters using the bracket, separate members for the brace, the long grip plate, the angle plate, and the short grip plate, respectively. As a result of the construction, a large space is not required for storage or transportation. Also, when the outer diameter of the rod-shaped antenna to be attached changes, only the short grip plate that matches the outer diameter is replaced, and the long grip plate that is a member orthogonal to the arm metal or the arm metal, or the arm metal Since the angle plate for fixing the long grip plate can be used as it is without replacement, the efficiency of the parts is greatly improved.

It is a perspective view in the state where two large-diameter bar-shaped antennas were mounted on the arm using the bar-shaped antenna mounting bracket according to the present invention. FIGS. 4A and 4B are a plan view and a front view of a state in which two large-diameter bar antennas are mounted on a brace using the bar-shaped antenna mounting bracket, respectively. It is a right view of the state which attached two large diameter rod-shaped antennas to a brace using this rod-shaped antenna mounting bracket. It is a perspective view in the state where two small-diameter bar-shaped antennas are mounted on the arm using the bar-shaped antenna mounting bracket. (A), (b) is the top view and front view which respectively show the state which attached two small diameter rod-shaped antennas to a brace using this rod-shaped antenna mounting bracket. It is a right view of the state which attached two small diameter rod-shaped antennas to a brace using this rod-shaped antenna mounting bracket. (A)-(d) is a perspective view, a top view, a front view, and a right side view, respectively, of a long grip plate constituting the rod-shaped antenna mounting bracket. (A)-(d) is a perspective view, a top view, a front view, and a right side view of an angle plate that constitutes the rod-shaped antenna mounting bracket. (A)-(d) is a perspective view, a top view, a front view, and a right side view, respectively, of a large-diameter antenna holding plate constituting the rod-shaped antenna mounting bracket. (A)-(d) is a perspective view, a top view, a front view, and a right side view, respectively, of a small-diameter antenna holding plate constituting the rod-shaped antenna mounting bracket. It is a perspective view of a state where two large-diameter bar antennas are attached to a column using a column holding plate instead of an angle plate. (A)-(d) is a perspective view, a top view, a front view, and a right side view of the column holding plate shown in FIG. 11, respectively.

  Embodiments of a rod-shaped antenna mounting bracket according to the present invention will be described below with reference to the drawings.

  The rod-shaped antenna mounting bracket according to the present invention is a rod-shaped antenna mounting bracket for mounting a plurality of rod-shaped antennas to a brace. For example, as shown in FIGS. The bracelet 2 refers to any one of a large-diameter rod-shaped antenna (hereinafter sometimes abbreviated as a large-diameter antenna) 31 and a small-diameter rod-shaped antenna (hereinafter also abbreviated as a small-diameter antenna) 32. It is configured to be attached two by two by separate independent members. That is, this rod-shaped antenna mounting bracket 1 is composed of a long grip plate 11, an angle plate 12, and two armature grip plates 13 and 13 and two small-diameter grip plates 14 and 14, each of which is an arm plate 2. The large-diameter antenna 31 or the small-diameter antenna 32 is attached to both sides of the arm metal 2 one by one by another independent member and the square root bolt 41 and the nut 42 for fixing them. Here, the length of the long gripping plate 11 in the longitudinal direction is the length of two of the angle plate 12 and the large-diameter antenna gripping plate 13 or the angle plate 12 as shown in FIGS. The end of the large-diameter antenna holding plate 13 and the small-diameter antenna holding plate 14 does not protrude from both sides of the long holding plate 11 so as to be slightly longer than the length of two small-diameter antenna holding plates 14.

  As shown in FIGS. 7A to 7D, the long holding plate 11 has a U-shaped cross section composed of upper and lower side surfaces 111 and 112 and a relay side surface 113 therebetween, and the upper and lower side surfaces 111 and 112. For example, a semicircular antenna sandwiching groove portion (hereinafter referred to as a large-diameter antenna sandwiching groove portion) 111b corresponding to the outer diameter of the large-diameter antenna 31 to be mounted as an antenna sandwiching portion on both the left and right sides in the longitudinal direction of the antenna 111b. , 112b. In addition, the long gripping plate 11 can be attached not only to the brace 2 but also to the support post 3 as shown in FIG. According to the outer diameter of the column 3, for example, columnar V-groove column holding grooves 111 a and 112 a are provided. In addition, these support | pillar clamping groove parts 111a and 112a are not restricted to planar view V-groove shape, A planar view semicircle groove | channel etc. may be sufficient, and when the attachment to the support | pillar 3 is not considered, it is omissible.

  On the relay side surface 113 of the long holding plate 11, angle plate bolt holes 113a and 113a are provided so as to be fixed to the arm metal 2 via an angle plate 12 having an L-shaped cross section as will be described later. The large-diameter antenna gripping plates 13 and 13 (see FIGS. 1 to 3) or the small-diameter antenna gripping plates 14 and 14 (see FIGS. 4 to 6) arranged opposite to each other with the large-diameter antenna 31 or the small-diameter antenna 32 interposed therebetween. Thus, two antenna clamping plate bolt holes 113b, 113b spaced apart from the outer diameter of the large-diameter antenna 31 are provided on both sides so that the large-diameter antenna 31 or the small-diameter antenna 32 can be clamped and fixed.

  The antenna clamping plate bolt holes 113b and 113b are square bolt holes, whereas the angle plate bolt holes 113a and 113a are horizontally long rectangular bolt holes. This absorbs some errors in the outer diameter of the arm metal 2 and secures a mounting and operating area for a tool such as a ratchet spanner. Furthermore, the metal fitting 1 is not the arm metal 2 but will be described later. As shown in the figure, a column holding plate 15 having a wider bolt hole interval than the armrest 2 is used, and a column holding groove 111a, 112a of the column holding plate 15 and a column holding groove 111a, 112a of the long holding plate 11 are used. This is because it can be fixed to the column 3 as shown in FIG. Note that the angle plate bolt holes 113a and 113a and the antenna clamping plate bolt holes 113b and 113b are not circular but square, and the square root bolts 41 are used as bolts to be inserted into these bolt holes. .

  As shown in FIGS. 8A to 8D, the angle plate 12 includes a horizontal surface 121 in contact with the upper side surface of the arm metal 2 and a vertical surface 122 in contact with the back side of the relay side surface 113 of the long grip plate 11. It has an L-shaped cross section, and is provided with two arm hole bolt holes 121 a and 121 a for coupling with the upper surface of the arm metal 2 and the bolt 41 at the substantially center of the horizontal surface 121, while the vertical surface 122. On both sides, two grip plate bolt holes 122a and 122a for connecting to the back side of the relay side surface 113 of the long grip plate 11 with bolts are provided. Here, the bolt holes 121a and 121a for the arm metal are provided at substantially the center of the horizontal surface 121, while the bolt holes 122a and 122a for the holding plate are provided on both sides of the vertical surface 122. When the bolt 41 is passed through the hole or the nut 42 is attached, a tool such as a ratchet spanner will not interfere, and the workability when fixing the long gripping plate 11 to the arm metal 2 via the angle plate 12 is improved. improves. The grip plate bolt holes 122a and 122a are round holes, whereas the arm metal bolt holes 121a and 121a are square. As a result, as shown in FIGS. 1 to 3, even if the nut 42 is positioned on the grip plate bolt holes 122a and 122a side, the head of the square root bolt 41 is placed on the arm metal bolt holes 121a and 121a side. Since it can be arranged and arranged on the bottom side (lower side) of the arm metal 2, a tool such as a ratchet spanner can be easily inserted also in this respect, and a long grip plate is attached to the arm metal 2 via the angle plate 12. Workability when fixing 11 is improved.

  As shown in FIGS. 9A to 9D, the large-diameter antenna holding plate 13 has a U-shaped cross section composed of upper and lower side surfaces 131 and 132 and a relay side surface 133 therebetween. In the middle of the longitudinal direction of 132, antenna sandwiching groove portions (hereinafter referred to as large-diameter antenna sandwiching groove portions) 131a and 132a having a semicircular shape in plan view corresponding to the outer diameter of the large-diameter rod-shaped antenna 31 are provided. In addition, the relay side surface 133 is provided with square hole-shaped bolt holes 133 a and 133 a that are spaced apart from the outer diameter of the large-diameter antenna 31.

  As shown in FIGS. 10A to 10D, the small-diameter antenna holding plate 14 has a U-shaped cross section composed of upper and lower side surfaces 141 and 142 and a relay side surface 143 therebetween. The antenna holding groove portions 141a and 142a having a semicircular shape in plan view corresponding to the outer diameter of the small-diameter rod-shaped antenna 32 (hereinafter referred to as the small-diameter antenna holding groove portions) 141a and 142a are provided in the middle of the longitudinal direction. Are provided with round hole-shaped bolt holes 143a and 143a spaced apart from the outer diameter of the small-diameter antenna 32.

  Here, as is apparent from FIGS. 2B and 5B, the width of the relay side surface 133 of the large-diameter antenna gripping plate 13 in the short direction (up and down in FIG. 2B), that is, up and down The distance between the side surfaces 131 and 132 is substantially the same as the width in the same direction of the relay side surface 113 of the long gripping plate 11, whereas the width in the same direction of the relay side surface 143 of the small-diameter antenna gripping plate 14 is It is smaller than the width. This is because the large-diameter antenna 31 is heavier than the small-diameter antenna 32 and is more susceptible to wind resistance, so the large-diameter antenna gripping plate 13 that sandwiches the large-diameter antenna 31 sandwiches the small-diameter antenna 32. This is because stress and moment received from the rod-shaped antenna sandwiched from the small-diameter antenna holding plate 14 are increased, and it is necessary to increase the width to increase the proof stress. In addition, the small-diameter antenna 32 is provided with three screws (screws) 32a at the top and bottom at predetermined intervals on the base side as shown in FIGS. 4, 5A, 5B, and 6. Since the head of the screw 32a protrudes to the surface side, the vertical width of the relay side surface 143 of the small-diameter antenna gripping plate 14 is narrowed so that the head of the screw 32a at the base of the small-diameter antenna 32 comes into contact from above and below. In this way, the effect of dropping and retaining the small-diameter antenna 32 can be achieved.

  Further, as shown in FIGS. 9B and 10B, the large-diameter antenna holding groove portions 131a and 132a of the large-diameter antenna holding plate 13 and the small-diameter antenna holding groove portions 141a and 142a of the small-diameter antenna holding plate 14 are Although both have a semicircular shape in plan view, the small-diameter antenna holding groove portions 141a and 142a of the small-diameter antenna holding plate 14 are deeper and larger than the antenna holding groove portions 131a and 132a of the large-diameter antenna holding plate 13, that is, hold the small-diameter antenna. The groove portions 141a and 142a have a longer circumference of the semicircular portion, and the contact portions with the rod-shaped antenna are increased. This effect will be described later.

  Next, a method for attaching the large-diameter antenna 31 and the small-diameter antenna 32 to the armrest 2 using the above-described rod-shaped antenna attachment bracket 1 will be described.

(Mounting to the brace 2)
When the rod-shaped antenna mounting bracket 1 is attached to the arm metal 2, as in the case of the large-diameter antenna 31 and the small-diameter antenna 32, first, as shown in FIGS. The arm metal bolt holes 121a and 121a on the horizontal surface 121 of the angle plate 12 are combined to connect the arm metal 2 and the angle plate 12 through the bolts 41, respectively, and the grip plate bolt holes on the vertical surface 122 of the angle plate 12 The angle plate 12 is joined by connecting the angle plate 12 and the long gripping plate 11 through the bolt 41 by combining 122a, 122a and the bolt holes 113a, 113a on the back side of the relay side surface 113 of the long gripping plate 11. The long gripping plate 11 is fixed to the arm metal 2 via the intermediate arm 2. At that time, as described above, the nut 42 is positioned on the grip plate bolt holes 122a, 122a side of the angle plate 12, while the head of the square root bolt 41 is positioned on the arm metal bolt holes 121a, 121a side. Therefore, a tool such as a ratchet wrench can be easily inserted without interference, and workability when the long gripping plate 11 is fixed to the arm metal 2 via the angle plate 12 is improved.

(Installation of large-diameter antenna 31)
And when attaching two large diameter antennas 31 and 31 with this metal fitting 1, as shown in FIGS. 1-3, the large diameter antenna clamping groove part 111b of the upper and lower both sides 111 and 112 of the elongate holding plate 11 is provided. The large-diameter antennas 31 and 31 are clamped by 112b and the large-diameter antenna clamping grooves 111b and 112b of the upper and lower side surfaces 111 and 112 of the large-diameter antenna gripping plates 13 and 13, respectively. Next, bolt holes 113b and 113b for the antenna holding plate on the relay side surface 113 of the long grip plate 11 (see FIG. 7C), and bolt holes 133a on the relay side surface 133 of the large-diameter antenna grip plates 13 and 13, The two large-diameter antennas 31 and 31 can be attached by passing a square root bolt 41 through 133a (see FIG. 9C) and tightening with a nut 42 to clamp both sides of the large-diameter antenna 31.

  Here, as shown in FIGS. 1 to 3, when the long gripping plate 11 is fixed to the arm metal 2 through the angle plate 12, the head of the square root bolt 41 is located on the long gripping plate 11 side. On the other hand, even when the large-diameter antenna 31 is sandwiched between the long gripping plate 11 and the large-diameter antenna gripping plate 13, the head of the square root bolt 41 is located on the long gripping plate 11 side, and the square root bolt 41. Will face in the opposite direction. Therefore, even when the large-diameter antenna 31 is attached, the nut 42 is disposed on the opposite side through the long gripping plate 11 in the adjacent square root bolt 41, and the nut 42 is on both the upper and lower side surfaces of the long gripping plate 11. 111 and 112 and the upper and lower side surfaces 131 and 132 of the large-diameter antenna gripping plate 13 are not located between the upper and lower side surfaces 131 and 132, so that a tool such as a ratchet spanner can be easily inserted and operated, and the nut 42 can be tightened easily. improves.

(Attaching the small-diameter antenna 32)
On the other hand, when the two small-diameter antennas 32 and 32 are attached by the metal fitting 1, as shown in FIGS. 4 to 6, the back surface of the relay side surface 113 of the long gripping plate 11 and the small-diameter antenna gripping plates 14 and 14 are connected. The small-diameter antennas 32 and 32 are clamped by the small-diameter antenna clamping grooves 141a and 142a on the upper and lower side surfaces 141 and 142. Then, the antenna clamping plate bolt holes 113b and 113b (see FIG. 7C) on the relay side surface 113 of the long grip plate 11 and the bolt holes 143a and 143a (see FIG. 7C) of the relay side surface 143 of the small-diameter antenna grip plates 14 and 14. The small-diameter antennas 32 and 32 are attached by passing the square-root bolts 41 through the nuts 42 and clamping both sides of the small-diameter antennas 32 in FIG.

  Here, as shown in FIGS. 4 to 6, when the long gripping plate 11 is fixed to the arm metal 2 via the angle plate 12, and the small diameter antenna 32 is connected by the long gripping plate 11 and the small diameter antenna gripping plate 14. When clamping, the head of the square root bolt 41 is located between the upper and lower side surfaces 111 and 112 of the long gripping plate 11, and in both cases the nut 42 is on the back side of the relay side surface 113 of the long gripping plate 11. Will be located. Therefore, a tool such as a ratchet spanner that rotates the nut 42 can be easily inserted and operated, and the tightening operation of the nut 42 is facilitated.

  Therefore, according to the rod-shaped antenna mounting bracket 1 and the rod-shaped antenna mounting method using the bracket 1, the angle plate 12, the long grip plate 11, the large-diameter antenna grip plate 13 and the small-diameter antenna grip. Since the plate 14 is formed of a separate member independent of the arm bracket 2, a large space is not required for storage and transportation unlike the above-described conventional rod-shaped antenna mounting bracket.

  Further, even when the outer diameter of the rod-shaped antenna to be mounted is changed to the large-diameter antenna 31 and the small-diameter antenna 32, if only the large-diameter antenna gripping plate 13 and the small-diameter antenna gripping plate 14 that match the outer diameter are replaced, The arm grip 2 and the long grip plate 11 which is a member orthogonal to the arm bracket 2, and the angle plate 12 for fixing the long grip plate 11 to the arm bracket 2 can be used as they are without replacement. The efficiency is greatly improved.

  Further, in this rod-shaped antenna mounting bracket 1, as is clear from a comparison between FIGS. 9A and 9B and FIGS. 10A and 10B, the large-diameter antenna holding groove portion of the large-diameter antenna holding plate 13 is used. Although 131a and 132a and the small-diameter antenna holding groove portions 141a and 142a of the small-diameter antenna holding plate 14 are both semicircular in plan view, the small-diameter antenna holding groove portions 141a and 142a of the small-diameter antenna holding plate 14 are By making the groove deeper than the antenna holding groove portions 131a and 132a of the plate 13 and increasing the circumference of the semicircular portions of the small-diameter antenna holding groove portions 141a and 142a, the number of contact portions with the rod-shaped antenna is increased. ing.

  When attaching the large-diameter antenna 31, as shown in FIGS. 1 to 3, the large-diameter antenna holding grooves 111 b and 112 b on the upper and lower side surfaces 111 and 112 of the long grip plate 11, and the large-diameter antenna grip plate Since the large-diameter antenna 31 is clamped by the large-diameter antenna clamping grooves 111b and 112b of the upper and lower side surfaces 111 and 112 of the 13, 13, the portion that is in contact with the outer peripheral surface of the large-diameter antenna 31 is long. Both the large-diameter antenna holding groove portions 111b and 112b of the holding plate 11 and the large-diameter antenna holding groove portions 111b and 112b of the large-diameter antenna holding plates 13 and 13 are used.

  On the other hand, when the small-diameter antenna 32 is attached, as shown in FIGS. 4 to 6, the back surface of the relay side surface 113 of the long gripping plate 11 and the upper and lower side surfaces 141, 142 of the small-diameter antenna gripping plates 14, 14 are used. Since the small-diameter antenna 32 is clamped by the small-diameter antenna clamping grooves 141a and 142a, the contact portion between the back surface of the relay side surface 113 of the long gripping plate 11 and the small-diameter antenna 32 becomes almost a point in plan view and becomes short. This is because the holding force or the frictional force on the long holding plate 11 side is weakened, and this is compensated by the small-diameter antenna holding grooves 141a and 142a of the small-diameter antenna holding plates 14 and 14.

  As a result, according to this rod-shaped antenna mounting bracket 1, in order to sandwich the small-diameter antenna 32, while using the back surface of the relay side surface 113 instead of the large-diameter antenna sandwiching groove portions 111b and 112b of the long gripping plate 11, Since the holding force or the frictional force equivalent to the case of holding the large-diameter antenna 31 can be secured, the small-diameter antenna 32 can also be held similarly to the large-diameter antenna 31.

  The rod-shaped antenna mounting bracket 1 uses the angle plate 12 to fix the long gripping plate 11 to the armrest 2, so that the vertical gripping surfaces 111 and 112 of the long gripping plate 11 are basically sandwiched between the columns. The groove portions 111a and 112a are not necessary. However, for example, as shown in FIG. 11, in the case where the groove portions 111a and 112a are attached to the support post 3 instead of the arm metal 2, the arm metal 2 as shown in FIG. The column 3 is clamped by the column holding grooves 151a and 152a of the column holding plate 15 and the column holding grooves 111a and 112a of the long holding plate 11 by using the column holding plate 15 having a wide bolt hole interval. Secure to. As shown in FIGS. 12A to 12D, the column holding plate 15 has a U-shaped cross section composed of upper and lower side surfaces 151 and 152 and a relay side surface 153 therebetween. In the middle of the longitudinal direction, there are provided column holding groove portions 151a and 152a having a V-groove shape in a plan view to be in contact with the column 3, while the relay side surface 113 is provided with two bolt holes 153a and 153a separated by an outer diameter of the column 3 or more. ing. Therefore, as shown in FIG. 11, the column 3 is composed of the column holding groove portions 111 a and 115 a having a V-groove shape in plan view of the long holding plate 11 and column supporting groove portions 151 a and 152 a having a V groove shape in plan view of the column holding plate 15. Since the metal fitting 1 is clamped from both sides and fixed to the upper part of the column 3, even if the outer diameter of the column 3 is slightly changed, the column holding groove 111a, 115a having the V-groove shape in plan view and the column clamping groove 151a, 152a are seen. Accordingly, it becomes possible to securely and evenly hold the column 3.

  In addition, the rod-shaped antenna mounting bracket 1 has been described so that two rod-shaped antennas having the same diameter are attached to one arm 2 such as two large-diameter antennas 31 or two small-diameter antennas 32. In the present invention, not limited to this, three or more rod-shaped antennas having the same diameter may be attached to one arm 2, and further, rod-shaped antennas having different diameters to one arm 2. For example, the large-diameter antenna 31 and the small-diameter antenna 32 may be attached one by one. However, when three or more rod-shaped antennas having the same diameter are attached to one arm 2, the long gripping plate 11 becomes longer correspondingly, and the large-diameter antenna gripping plate 13 and the small-diameter antenna gripping plate 14 also have the rod-shaped antenna. It is necessary to prepare as many as For example, when one large-diameter antenna 31 and one small-diameter antenna 32 are attached to one arm 2, the large-diameter antenna 31 is attached to the long-grip plate 11 on one side of the long-grip plate 11. The large diameter antenna 31 is fixed by the large diameter antenna holding groove portions 111b and 112b of the upper and lower side surfaces 111 and 112 and the large diameter antenna holding groove portions 111b and 112b of the upper and lower side surfaces 111 and 112 of the large diameter antenna holding plate 13. On the other side of the long holding plate 11, the small-diameter antenna 32 is formed by the back surface of the relay side surface 113 of the long holding plate 11 and the small-diameter antenna holding grooves 141 a and 142 a on both upper and lower side surfaces 141 and 142 of the small-diameter antenna holding plate 14. It will be pinched.

  Further, in this rod-shaped antenna mounting bracket 1, the large-diameter antenna holding groove portions 111 b and 112 b are provided as antenna holding portions on both the left and right sides of the long holding plate 11. However, in the present invention, the large-diameter antenna holding groove portions 111 b and 111 b are not necessarily provided. It is not necessary to provide 112b and may be omitted. However, if omitted, the contact portion between the long holding plate 11 and the large-diameter antenna 31 is reduced, so that the large-diameter antenna holding plate 13 is the same as the small-diameter antenna holding grooves 141a and 142a of the small-diameter antenna holding plate 14. It is preferable that the large-diameter antenna holding groove portions 131a and 132a be deep or large so that the contact portion between the large-diameter antenna gripping plate 13 and the large-diameter antenna 31 increases.

  In the above description, a plurality of large-diameter antennas 31 or small-diameter antennas 32 are attached to the bracelet 2 having a square cross section. However, the present invention is not limited thereto, and the bracelet having a circular cross section is not limited thereto. The present invention is also applicable to a case where a plurality of large-diameter antennas 31 or small-diameter antennas 32 are attached to 2. However, in this case, the horizontal surface 121 of the angle plate 12 may be curved according to the outer shape of the arm metal 2.

DESCRIPTION OF SYMBOLS 1 Rod-shaped antenna mounting bracket 11 Long grip board 111b, 112b Large diameter antenna clamping groove part (antenna clamping part)
DESCRIPTION OF SYMBOLS 12 Angle plate 13 Large diameter antenna holding plate 131a, 132a Large diameter antenna holding groove part 14 Small diameter antenna holding plate 141a, 142a Small diameter antenna holding groove part 15 Prop holding plate 2 Arm metal 3 Post 31 Large diameter antenna 32 Small diameter antenna 41 Square root bolt 42 nut

Claims (3)

A rod-shaped antenna mounting bracket for mounting a plurality of rod-shaped antennas on a brace extending substantially horizontally from a power pole,
It has a long grip plate, an angle plate, and a short grip plate,
The long grip plate has a U-shaped cross section consisting of both upper and lower side surfaces and a relay side surface therebetween, and antenna holding portions are provided on both sides of the upper and lower side surfaces in the longitudinal direction to hold a bar-shaped antenna. Bolt holes for connecting the angle plate and the short grip plate with bolts are provided on the side,
The angle plate has an L-shaped cross section composed of a horizontal plane in contact with the upper side surface of the bracelet and a vertical plane in contact with the back side of the relay side surface of the long gripping plate. Bolt holes for coupling with bolts are provided on both sides of the vertical surface, and bolt holes for coupling with bolts on the back side of the relay side of the long gripping plate are provided,
The short grip plate has a U-shaped cross section composed of upper and lower side surfaces and a relay side surface therebetween, and an antenna holding groove portion corresponding to the outer diameter of the rod-shaped antenna to be attached is provided in the middle of the longitudinal direction of the upper and lower side surfaces. On the other hand, on the relay side surface, a bolt hole is provided so that the bolt passes through both sides of the antenna holding groove portion, and is provided facing the antenna holding groove portion of the long holding plate via the rod-shaped antenna. . The rod-shaped antenna mounting bracket according to claim 1,
The antenna holding part of the long grip plate is an antenna holding groove part in a semicircular shape in plan view corresponding to the outer diameter of the large-diameter bar antenna,
The short grip plate includes a large-diameter antenna grip plate for a large-diameter rod antenna and a small-diameter antenna grip plate for a small-diameter rod antenna. The antenna holding groove portions of the large-diameter antenna grip plate and the small-diameter antenna grip plate are The antenna holding groove portion of the small-diameter antenna holding plate is a semicircular shape in plan view corresponding to the outer diameter of the large-diameter rod antenna and the small-diameter rod antenna, respectively, and the antenna holding groove portion of the large-diameter antenna holding plate is The rod-shaped antenna mounting bracket is characterized in that the groove is deep and there are many contact portions with the rod-shaped antenna. A method for mounting antennas having different diameters using the rod-shaped antenna mounting bracket according to claim 1 or 2,
Align the bolt holes on the upper side of the arm metal and the horizontal plane of the angle plate and connect the arm metal to the angle plate with bolts, and align the bolt hole on the back side of the vertical side of the angle plate and the relay side of the long grip plate. By connecting the angle plate and the long grip plate with bolts, the long grip plate is fixed to the arm metal via the angle plate,
When a large-diameter rod antenna is attached to the long grip plate, the large-diameter rod antenna is sandwiched between the antenna grip portions on the upper and lower sides of the long grip plate and the antenna grip grooves on the upper and lower sides of the short grip plate. At the same time, the large-diameter rod antenna is attached by sandwiching both sides of the large-diameter rod antenna through the bolts through the bolt holes on the relay side of the long and short grip plates,
When attaching a small-diameter rod-shaped antenna to the long gripping plate, the small-diameter rod-shaped antenna is sandwiched between the rear side of the relay side of the long gripping plate and the antenna gripping grooves on both the upper and lower sides of the short gripping plate. For antennas with different diameters using rod-shaped antenna mounting brackets, which mount a small-diameter rod-shaped antenna by sandwiching both sides of a small-diameter rod-shaped antenna through bolts in bolt holes on the relay side of the long-grip plate and short-grip plate. Mounting method.

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