JP2015115619A - Tilt upper-stage metal fitting for antenna - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tilt upper-stage metal fitting for antenna capable of setting an antenna at a large installation angle with respect to a support without impairing workability and safety.SOLUTION: A tilt upper-stage metal fitting includes a support-side upper-stage fitting 11, an antenna-side upper-stage fitting 12 and an adjustment fitting 13. On both side surfaces of the antenna-side upper-stage fitting 12 and both side surfaces of the adjustment fitting 13, a plurality of angle setting bolt holes are respectively formed, into each of which an angle setting bolt 5a is inserted. Further, in each of the bottom surfaces of the antenna-side upper-stage fitting 12 and the adjustment fitting 13, a fitting fall-prevention bolt receiving piece is formed. When inserting the angle setting bolts into both side surfaces of the antenna-side upper-stage fitting 12 and both side surfaces of the adjustment fitting 13 and joining the support-side upper-stage fitting 11, the adjustment fitting 13 and the antenna-side upper-stage fitting 12 together, a fitting fall-prevention bolt 6a is inserted through fitting fall-prevention bolt holes of each of the fitting fall-prevention bolt receiving pieces, and is fixed by a fitting fall-prevention nut 6b.

Description

  The present invention relates to an antenna tilt upper bracket used together with an antenna tilt lower bracket for attaching an antenna to a support in a predetermined angle range.

  The present applicant has filed an application as an antenna tilt upper bracket used together with an antenna tilt lower bracket for attaching an antenna to a support in a predetermined angle range (see, for example, Patent Document 1).

JP 2011-71618 A JP 2012-34088 A

  Incidentally, in recent years, the demand for mobile phones and wireless data communication is increasing, and it is required to increase the installation angle of the antenna with respect to the support column and to narrow the irradiation area of the antenna with respect to the support column.

  However, with the antenna tilt upper bracket described in Patent Documents 1 and 2, the antenna can be attached at a small angle of about ± 5 degrees with respect to the support column, but it is not suitable for attachment at a larger angle than that. The structure may not be able to meet the demands of mobile phone companies and telecommunications companies in recent years.

  Further, when the number of parts of the metal fitting is increased in order to set a large installation angle of the antenna with respect to the support column, workability and safety become a problem because the antenna installation work is performed at a high place.

  Therefore, the present invention has been made paying attention to such problems, and provides an antenna tilt upper bracket that can set a large installation angle of the antenna with respect to the support column without impairing workability and safety. For the purpose.

In order to solve the above-mentioned problems, an antenna tilt upper bracket according to the present invention is an antenna tilt upper bracket used together with an antenna tilt lower bracket to attach an antenna to a support column at a predetermined angle. A pillar side upper metal fitting that has a bottom surface and is attached to the pillar, both side surfaces and a bottom surface between them, an antenna side upper metal fitting that is attached to the antenna, and both side surfaces and a bottom surface between them, Adjustment brackets for connecting the antenna side upper metal fittings, and both side surfaces of the adjustment metal fittings, and both side surfaces of at least one of the metal pole upper metal fittings and the antenna side upper metal fittings, respectively, In order to mount the antenna at a predetermined angle, an angle setting bolt that is perpendicular to the plane including the support column and the antenna is passed at predetermined intervals. A number of angle setting bolt holes are formed, and on the bottom surface of the adjustment bracket, and on the bottom surface of at least one of the support-side upper-stage bracket and the antenna-side upper-stage bracket, the brackets are prevented from falling. Bolt receiving pieces are erected, and each metal drop prevention bolt receiving piece is formed with a metal drop prevention bolt hole for passing the metal drop prevention bolt that faces parallel to the plane including the support column and antenna. It is characterized by being.
Here, the bracket drop prevention bolt receiving piece is provided by cutting and raising the bottom surface of the adjustment bracket and the bottom surface of at least one of the support-side upper bracket or the antenna-side upper bracket. It is preferable to provide an opening through which a tool for rotating the metal drop prevention bolt after the prevention bolt receiving piece is cut and raised.
Further, the metal fall prevention bolt receiving piece on the side where the metal fall prevention nut that is screwed to the metal fall prevention bolt is attached is attached to the end of the metal fall prevention bolt receiving piece to prevent rotation. It is further preferable that the metal drop prevention nut is screwed into the metal drop prevention bolt via the bracket so that the metal drop prevention nut does not rotate, and the head side of the metal drop prevention bolt is rotated.
In addition, a plurality of angle setting bolt holes are formed on both side surfaces of the adjustment bracket and both side surfaces of the antenna-side upper bracket, while the bottom surface of the adjustment bracket and the antenna-side upper bracket It is further preferable that a metal drop prevention bolt receiving piece is erected on the bottom surface, and the metal drop prevention bolt hole is formed in each metal drop prevention bolt receiving piece.
In addition, a plurality of angle setting bolt holes are formed on both side surfaces of the adjustment fitting and both side surfaces of the support-side upper metal fitting, respectively, while the bottom surface of the adjustment metal fitting and the support-side upper metal fitting It is further preferable that a metal drop prevention bolt receiving piece is erected on the bottom surface, and each of the metal drop prevention bolt receiving pieces is formed with the angle setting metal drop prevention bolt hole.

  The tilt upper bracket for an antenna according to the present invention is composed of three members: a pole-side upper bracket, an adjustment bracket, and an antenna-side upper bracket, and includes at least one of the bottom surface of the adjustment bracket, the pillar-side upper bracket, and the antenna-side upper bracket. After mounting the metal drop prevention bolt through the metal drop prevention bolt receiving piece provided on the bottom of the metal fitting, provide it on both sides of the adjustment metal fitting and at least one of the metal fittings on the support column and the antenna upper metal fitting. Since the installation angle of the antenna with respect to the column can be adjusted through the bolt through the angle setting bolt hole, the installation angle of the antenna with respect to the column can be set large without impairing workability and safety.

It is a perspective view which shows the state which attached the antenna at arbitrary angles to the support | pillar using the tilt upper bracket for antennas and the tilt lower bracket for antennas of Embodiment 1 which concerns on this invention. FIGS. 4A and 4B are a plan view and a cross-sectional view taken along line AA, respectively, illustrating a connection state of the upper tilt bracket for antenna according to the first embodiment at a maximum setting angle. (A), (b) is the top view which shows the connection state in the minimum setting angle of the tilt upper bracket for antennas of Embodiment 1, respectively, and a BB sectional drawing. FIG. 3 is a perspective view of a support-side upper metal fitting that constitutes the antenna tilt upper metal fitting according to the first embodiment. (A)-(c) It is the top view, front view, and right view of the support | pillar side upper stage metal fitting which respectively comprise the tilt upper metal fitting for antennas of Embodiment 1. FIG. FIG. 3 is a perspective view of the antenna-side upper metal fitting that constitutes the antenna tilt upper metal fitting of the first embodiment. (A)-(c) It is the top view of the antenna side upper stage metal fitting which comprises the tilt upper metal fitting for antennas of Embodiment 1, respectively, CC sectional view, and a right view. FIGS. 4A to 4C are a plan view, a DD line cross-sectional view, and a right side view, respectively, of an adjustment fitting that constitutes the antenna tilt upper bracket of Embodiment 1. FIG. (A), (b) It is the top view and front view which show the structure of the tilt lower bracket for antennas, respectively. It is a front view which shows the example which attached the antenna at the minimum setting angle with respect to the support | pillar using the tilt upper bracket for antennas and the lower tilt bracket for antennas of Embodiment 1. It is a front view which shows the example which attached the antenna with respect to the support | pillar at the maximum setting angle using the tilt upper bracket for antennas and the lower tilt bracket for antennas of Embodiment 1. (A), (b) is the top view which shows the connection state in the maximum setting angle of the tilt upper metal fitting for antennas of Embodiment 2, respectively, EE sectional drawing. (A), (b) is the top view which shows the connection state in the minimum setting angle of the tilt upper metal fitting for antennas of Embodiment 2, respectively, FF sectional drawing. (A)-(c) It is the top view of the support | pillar side upper stage metal fitting which comprises the tilt upper metal fitting for antennas of Embodiment 2, respectively, GG sectional drawing, and a right view. (A)-(c) Each is the top view of the adjustment metal fitting which comprises the tilt upper metal fitting for antennas of Embodiment 2, a HH sectional view, and a left view. It is a front view which shows the example which attached the antenna with respect to the support | pillar at the minimum setting angle using the tilt upper bracket for antennas and the lower tilt bracket for antennas of Embodiment 2. It is a front view which shows the example which attached the antenna at the maximum setting angle with respect to the support | pillar using the tilt upper bracket for antennas and the lower tilt bracket for antennas of Embodiment 2. (A)-(c) Each is the top view of the other adjustment metal fittings which comprise the tilt upper metal fitting for antennas of Embodiment 2, a II sectional view, and a left view.

  Hereinafter, embodiments of the upper tilt brackets 1 and 2 for an antenna according to the present invention will be described with reference to the drawings.

Embodiment 1. FIG.
<Configuration of antenna upper tilt bracket 1 of embodiment 1>
The antenna upper tilt bracket 1 of the first embodiment is used together with the antenna tilt lower bracket 4 to attach the antenna 3 to the column 2 at a predetermined angle as shown in FIG. 1, and as shown in FIG. A side upper metal fitting 11, an antenna side upper metal fitting 12, and an adjustment metal fitting 13 are included. Note that configurations other than the column-side upper metal fitting 11, the antenna-side upper metal fitting 12, and the adjustment metal fitting 13 are described above in Patent Document 1 (Japanese Patent Laid-Open No. 2011-71618) and Patent Document 2 (Japanese Patent Laid-Open No. 2012). -34088).

  The support-side upper metal fitting 11 is a metal fitting attached to the support-side upper auxiliary metal fitting 21 fixed to the support 2 as shown in FIG. 1 and the like, as shown in FIGS. 2a and 11a2 are formed with connecting bolt holes 11a1 and 11a2 for connecting to the adjustment fitting 13, respectively. 3), FIG. 3 (a), FIG. 3 (b), etc., the connecting bolt 5c is passed through and is fastened and fixed by a connecting nut 5d of a double nut. 2A and 2B show a state in which the antenna tilt upper bracket 1 of the first embodiment is connected at the maximum setting angle, while FIGS. 3A and 3B show the minimum setting angle. In a connected state, the antenna-side upper metal fitting 12 and the adjustment metal fitting 13 are in a state before being fixed by the angle setting bolt 5a and the angle setting nut 5b, but the antenna drop prevention bolt 6a and the metal drop prevention nut 6b The state which connected the side upper stage metal fitting 12 and the adjustment metal fitting 13 is shown.

  Further, as shown in FIG. 5A and the like, the bottom surface 11b of the support-side upper metal fitting 11 has an angle in the circumferential direction (outer peripheral direction) of the support 2 with respect to the support-side upper auxiliary metal fitting 21 attached to the support 2. A plurality of bolt holes 11b3 to 11b6 for setting are formed. In addition, the usage method of these bolt holes 11b3 to 11b6 and the connection with the column side upper auxiliary metal fitting 21 are disclosed in the above-mentioned Patent Document 1 (Japanese Patent Laid-Open No. 2011-71618) and Patent Document 2 (Japanese Patent Laid-Open No. 2012-34088). ).

  The antenna-side upper metal fitting 12 is a metal fitting attached to the antenna-side upper auxiliary metal fitting 31 fixed to the antenna 3 as shown in FIG. 1 and the like, as shown in FIG. 6 and FIG. Are formed in a U-shaped cross-section having a bottom surface 12b, and are attached at two predetermined angles at a predetermined interval so that the antenna 3 is attached to the support column 2 at a predetermined angle. The two angles are perpendicular to the plane including the support column 2 and the antenna 3. A plurality of (for example, 11) angle setting bolt holes 12a1, 12a1,... Through which the setting bolt 5a is passed are formed, and at the rear ends of both side surfaces 12a, 12a. Two antenna bracket side connection bolt holes 12a2 and 12a2 for connecting to the antenna side upper auxiliary bracket 31 provided on the antenna 3 side are formed vertically. The angle setting bolt 5a is fastened by a double nut angle setting nut 5b. The antenna-side upper auxiliary metal fitting 31 is disclosed in the above-described Patent Document 1 (Japanese Patent Laid-Open No. 2011-71618) and Patent Document 2 (Japanese Patent Laid-Open No. 2012-34088).

  And, as shown in FIGS. 7A to 7C, the bottom surface 12b of the antenna-side upper metal fitting 12 is cut and raised (cut down), and the metal drop prevention bolt receiving piece 12b1 is erected. The metal drop prevention bolt receiving piece 12b1 has a metal drop prevention bolt hole 12b11 through which the metal drop prevention bolt 6a that faces in the direction parallel to the plane including the support column 2 and the antenna 3, that is, the angle adjustment direction, is passed. Is formed.

  Here, the opening 12b2 is formed by raising the bracket drop prevention bolt receiving piece 12b1 from the bottom surface 12b of the antenna-side upper metal fitting 12, and the size of the opening 12b is the bolt of the bracket drop prevention bolt 6a. The size of the head is not inconvenient for rotating a tool such as a ratchet wrench.

  Further, as shown in FIGS. 2 and 3, the metal drop prevention bolt receiving piece 12b1 to which the metal drop prevention nut 6b screwed to the metal drop preventing bolt 6a is attached is provided at the end of the metal drop prevention bolt receiving piece 12b1. An anti-rotation metal fitting 8 is provided to contact and prevent rotation of the metal fitting fall prevention nut 6b, and the head side of the metal drop prevention bolt 6a is rotated and fastened and fixed.

  As shown in FIG. 1 and the like, the adjustment bracket 13 is a bracket that connects the column-side upper bracket 11 and the antenna-side upper bracket 12 while adjusting the mounting angle of the antenna 3 with respect to the column 2, and is shown in FIGS. As shown in FIG. 3, the two columns 13 a and 13 a and a bottom surface 13 b between them have a U-shaped cross section. The antenna 3 is attached to the column 2 at a predetermined angle. A plurality of (for example, seven, for example) angle setting bolt holes 13a1, 13a1,... Are formed through which the two angle setting bolts 5a facing the vertical direction with respect to the plane to be included are passed. At the rear ends of both side surfaces 13a and 13a, two column fitting side connection bolt holes 13a2 and 13a2 for connecting to the column side upper metal fitting 11 are formed vertically.

  Then, on the bottom surface 13b of the adjusting bracket 13, as shown in FIGS. 8A to 8C, the bottom surface 13b is cut and raised (cut down), and the bracket drop prevention bolt receiving piece 13b1 is erected. The metal drop prevention bolt receiving piece 13b1 is formed with a metal drop prevention bolt hole 13b11 through which the metal drop prevention bolt 6a facing in the direction parallel to the plane including the support column 2 and the antenna 3, that is, the angle adjustment direction, is passed. ing.

  Here, an opening 13b2 is formed by raising the metal drop prevention bolt receiving piece 13b1 from the bottom surface 13b of the adjustment metal 13, and the size of the opening 13b2 is the bolt head of the metal drop prevention bolt 6a. The size of the part is not inconvenient for rotating a tool such as a ratchet wrench.

  Further, in the vicinity of the opening 13b of the bottom surface 13b of the adjustment fitting 13, a bolt hole 13b3 for attaching a bolt drop prevention fitting 14 for preventing the fitting drop prevention bolt 6a from dropping is provided as shown in FIG. . However, the bolt drop-off prevention fitting 14 is optional and can be omitted. When the bolt drop-off prevention fitting 14 is omitted, the bolt hole 13b3 can also be omitted.

<Configuration of Antenna Lower Tilt Bracket 4 (Common to Embodiments 1 and 2)>

  As shown in FIG. 1 and the like, the antenna tilt lower bracket 1 has a fixed number of the antenna tilt upper bracket 1 configured as shown in FIGS. It is provided below the antenna upper tilt bracket 1 with a distance of a meter, and is composed of a column-side lower bracket 41 and an antenna-side lower bracket 42 as shown in FIGS. 9 (a) and 9 (b). Yes.

  As shown in FIG. 1 and the like, the support-side lower metal fitting 41 is a metal fitting that is attached to the support-side lower auxiliary metal fitting 22 fixed to the support 2 below the support-side upper metal fitting 11, and includes both side surfaces 41a and 41a and a bottom surface 41b therebetween. 9 is formed, and each of the side surfaces 41a and 41a is formed with one connecting bolt hole for connecting to the antenna-side lower metal fitting 42, respectively. As shown in the figure, the connecting bolt 5c is passed and fastened and fixed by the connecting nut 5d.

  The antenna-side lower metal fitting 42 is a metal fitting attached to the antenna-side lower metal auxiliary fitting 32 fixed to the antenna 3 below the antenna-side upper metal fitting 31, as shown in FIG. 1 and the like, and both side surfaces 42a, 42a and a bottom surface 42b therebetween. The connecting bolt hole for connecting to the support-side lower metal fitting 41 is formed on the antenna 3 side at the rear ends of both side surfaces 42a and 42a. Two antenna bracket-side connecting bolt holes for connecting to the antenna-side lower bracket 32 are formed vertically.

<Usage example 1 of the antenna tilt upper bracket 1 according to the first embodiment (example in which the antenna is mounted at the minimum setting angle)>
FIG. 10 is a front view showing an example in which the antenna 3 is attached to the support column 2 at the minimum setting angle using the antenna upper tilt bracket 1 and the antenna lower tilt bracket 4 of the first embodiment.

  In this case, the support-side bracket 11, the antenna-side bracket 12, and the adjustment bracket 13 are connected as shown in FIG. 10, and the overlap between the antenna-side bracket 12 and the adjustment bracket 13 is maximized. On the other hand, the antenna 3 can be attached at a minimum setting angle.

  Therefore, the metal part drop prevention bolt receiving piece 12b1 of the antenna-side upper metal part 12 and the metal part fall prevention bolt receiving piece 13b1 of the adjustment metal piece 13 are as close as possible to each other. The fall prevention nut 6b comes close as much as possible.

<Usage example 2 of the antenna upper tilt bracket 1 of the first embodiment (example in which the antenna is mounted at the maximum setting angle)>
FIG. 11 is a front view showing an example in which the antenna 3 is attached to the support column 2 at the maximum setting angle by using the antenna upper tilt bracket 1 and the antenna lower tilt bracket 4 of the first embodiment.

  In this case, the support-side bracket 11, the antenna-side bracket 12, and the adjustment bracket 13 are connected as shown in FIG. 11, and the overlap between the antenna-side bracket 12 and the adjustment bracket 13 is minimized, so that The antenna 3 can be attached at the maximum angle.

  Therefore, the metal drop prevention bolt receiving piece 12b1 provided on the antenna side upper metal fitting 12 and the metal drop prevention bolt receiving piece 13b1 of the adjustment fitting 13 are separated as much as possible, and the bolt head of the metal drop preventing bolt 6a is provided. And the metal fitting fall prevention nut 6b are separated as much as possible.

  At this time, the metal drop prevention bolt receiving piece 12b1 provided on the antenna side upper metal fitting 12 and the metal drop prevention bolt receiving piece 13b1 of the adjustment fitting 13 are not dropped by the metal drop prevention bolt 6a and the metal drop prevention nut 6b. Since they are connected, the installation angle of the antenna 3 with respect to the support column 2 can be set large without impairing workability and safety.

  Therefore, the antenna upper tilt bracket 1 of the first embodiment has three members, such as the column-side bracket 11, the antenna-side bracket 12, and the adjustment bracket 13, and both side surfaces 12 a of the antenna-side bracket 12 and the adjustment bracket 13. , 12a, 13a, 13a, a plurality of angle setting bolt holes 12a1, 12a1,..., 13a1, 13a1,. By inserting and fixing with the angle setting nut 5b, the mounting angle of the antenna 3 with respect to the column 2 can be set large.

  At this time, the antenna side metal fitting 12 and the adjustment metal fitting 13 are respectively provided with a metal drop prevention bolt receiving piece 12b1 and a metal drop prevention bolt receiving piece 13b1, and the metal drop prevention bolt receiving piece 12b1 and the metal drop preventing bolt are provided. The receiving piece 13b1 is configured so that the metal drop prevention bolt 6a can be attached thereto. Therefore, a plurality of angle setting bolt holes provided on both side surfaces 12a, 12a of the antenna side metal fitting 12 and both side surfaces 13a, 13a of the adjustment metal fitting 13 are provided. .., 13a1, 13a1,..., 13a1, 13a1,..., 13a1, 13a1,. The metal drop prevention bolt 6a is inserted into the metal drop prevention bolt hole 13b11 of the piece 13b1, and the metal drop prevention nut is inserted. By mounting 6b, the angle setting bolt 5a is inserted into the plurality of angle setting bolt holes 12a1, 12a1,..., 13a1, 13a1,. Even before, the antenna side metal fitting 12 and the adjustment metal fitting 13 can be prevented from falling, and the installation angle of the antenna 3 with respect to the column 2 can be set large without impairing workability and safety.

  In particular, the upper tilt bracket for antenna 1 is a few meters away from the lower tilt bracket for antenna 4, and when the upper tilt bracket for antenna 1 is attached to the column 2 or the antenna 3 or the set angle of the antenna 3 is adjusted. Since the worker stands on the lower tilt bracket 4 for antenna installed between the support 2 and the antenna 3, the bracket fall prevention bolt hole 12b11 of the bracket fall prevention bolt receiving piece 12b1 and the bracket fall prevention bolt By inserting the metal drop prevention bolt 6a into the metal drop prevention bolt hole 13b11 of the receiving piece 13b1 and attaching the metal drop prevention nut 6b, a plurality of angle setting bolt holes 12a1, 12a1,. Even before the angle setting bolt 5a is inserted into 13a1, ..., the antenna side metal fitting 12 and the adjustment metal fitting 13 are securely dropped. Not only can proceed safely sealed, thereby improving the workability.

  Further, as shown in FIG. 10 and FIG. 11, the bolt head and the bolt tip of the metal drop prevention bolt 6a do not protrude to the outside. Will improve.

Embodiment 2. FIG.
<Configuration of Antenna Upper Tilt 1 ′ for Antenna of Embodiment 2>
The antenna tilt upper metal fitting 1 ′ of the second embodiment is the same as the antenna tilt upper metal fitting 1 ′ of the second embodiment shown in FIG. 1 because the antenna 3 is attached to the support column 2 at a predetermined angle. For example, as shown in FIGS. 12 (a) and 12 (b) and FIGS. 13 (a) and 13 (b), the support-side upper bracket 11 'and the antenna similar to that of the first embodiment are used. It is comprised from the side upper stage metal fitting 12 and adjustment metal fitting 13 '.

  The support-side upper metal fitting 11 'is a metal fitting that is attached to the support pillar 2 in the same manner as the support-side upper metal fitting 11 of the first embodiment shown in FIGS. 4 and 5, etc., and has both side surfaces 11a' and 11a 'and a bottom surface 11b therebetween. The two side surfaces 11a ′ and 11a ′ are formed with connecting bolt holes 11a1 ′ and 11a2 ′ for connecting to the adjustment fitting 13 ′, respectively. As shown in FIG. 13B and FIGS. 13A and 13B, the connecting bolt 5c is passed and fixed by the connecting nut 5d. 12 (a) and 12 (b) show a state in which the antenna tilt upper bracket 1 'of Embodiment 2 is connected at the maximum set angle, while FIGS. 13 (a) and 13 (b) show the minimum set angle. In this state, the bracket-side upper metal fitting 11 ′ and the adjustment metal fitting 13 ′ are in a state before being fixed by the angle setting bolt 5a and the angle setting nut 5b. 6b shows a state where the support-side upper metal fitting 11 ′ and the adjustment metal fitting 13 ′ are connected.

  Then, as shown in FIGS. 14A to 14C, the bottom surface 11b ′ of the column-side upper metal fitting 11 ′ is cut and raised so that the metal drop prevention bolt receiving piece 11b1 ′ is erected. In the metal drop prevention bolt receiving piece 11b1 ′, a metal drop prevention bolt hole 11b11 through which the metal drop prevention bolt 6a facing in a direction parallel to the plane including the support column 2 and the antenna 3, that is, the angle adjusting direction is passed. 'Is formed.

  Here, an opening 11b2 ′ is formed by raising the bracket drop-preventing bolt receiving piece 11b1 ′ from the bottom surface 11b ′ of the support-side upper metal fitting 11 ′. The bolt head portion of the prevention bolt 6a is set to a size that is not inconvenient for rotating a tool such as a ratchet wrench.

  Further, as shown in FIG. 12 (a) and the like, the bottom surface 11b ′ of the column-side upper metal fitting 11 ′ has a circumferential direction (outer circumferential direction) of the column 2 with respect to the column-side upper auxiliary metal fitting 21 attached to the column 2. A plurality of bolt holes 11b3 ′ to 11b6 ′ for setting the angle are formed. In addition, the usage method of these bolt holes 11b3 ′ to 11b6 ′ and the connection with the column-side upper auxiliary metal fitting 21 are disclosed in the above-mentioned Patent Document 1 (Japanese Patent Laid-Open No. 2011-71618) and Patent Document 2 (Japanese Patent Laid-Open No. 2012-34088). No.).

  The antenna-side upper metal fitting 12 is the same as that of the first embodiment shown in FIGS.

  The adjustment fitting 13 'is a fitting that connects the support-side upper metal fitting 11' and the antenna-side upper metal fitting 12 while adjusting the mounting angle of the antenna 3 with respect to the support 2, as shown in FIGS. 15 (a) to 15 (c). And a plane including a support column 2 and an antenna 3 at predetermined intervals in order to attach the antenna 3 to the support column 2 at a predetermined angle with both side surfaces 13a ′ and 13a ′ and a bottom surface 13b ′ therebetween. A plurality of angle setting bolt holes 13a1 ′, 13a1 ′,... Are formed through which two angle setting bolts 5a facing in the vertical direction are passed. In addition, there are two antenna metal fitting side coupling bolt holes 13a2 'and 13a2' for connecting to the antenna side upper metal fitting 12 on the rear end side (upper right side in FIG. 13) of both side surfaces 13a 'and 13a'. Formed There.

  Further, on both side surfaces 13a 'and 13a' of the adjustment fitting 13 ', bolt holes 13a3' for attaching bolt drop prevention bolts 7a for preventing the drop of the fitting fall prevention bolt 6a are provided. However, the bolt drop-off prevention bolt 7a is optional and can be omitted. When the bolt drop-off prevention bolt 7a is omitted, the bolt hole 13a3 'can also be omitted.

  Further, on the bottom surface 13b ′ of the adjusting bracket 13 ′, as shown in FIGS. 15A to 15C, the bottom surface 13b ′ is cut and raised, and a bracket drop prevention bolt receiving piece 13b1 ′ is erected. The metal drop prevention bolt receiving piece 13b1 ′ has a metal drop prevention bolt hole 13b11 ′ through which the metal drop prevention bolt 6a that faces in a direction parallel to the plane including the support column 2 and the antenna 3, that is, the angle adjustment direction, is passed. Is formed.

  As shown in FIGS. 12 and 13, the metal drop prevention bolt receiving piece 13b1 ′ to which the metal drop prevention nut 6b screwed to the metal drop prevention bolt 6a is attached is connected to the end of the metal drop prevention bolt receiving piece 13b1 ′. An anti-rotation metal fitting 8 is provided to abut against this portion to prevent rotation of the metal fitting fall prevention nut 6b, and the head side of the metal drop prevention bolt 6a is rotated and fastened and fixed.

  Here, an opening 13b2 'is formed by raising the bracket drop-preventing bolt receiving piece 13b1' from the bottom surface 13b 'of the adjusting bracket 13'. The size of the opening 13b2 'is to prevent the metal fitting from falling. The bolt head of the bolt 6a is sized so as not to be inconvenient for rotating a tool such as a ratchet wrench.

  As described in the first embodiment, the configuration of the antenna tilt lower bracket 4 is the same as that of the first embodiment even in the second embodiment.

  Therefore, according to the antenna tilt upper bracket 1 ′ of the second embodiment, as shown in FIG. 16, the overlap between the column side bracket 11 ′ and the adjustment bracket 13 ′ is maximized, and the antenna 3 is minimized relative to the column 2. Can be installed at a set angle.

  At that time, the metal drop prevention bolt receiving piece 11b1 ′ of the support side metal fitting 11 ′ and the metal drop prevention bolt receiving piece 13b1 ′ of the adjustment metal fitting 13 ′ are as close as possible, and the bolt head of the metal drop prevention bolt 6a. And the metal fitting fall prevention nut 6b are as close as possible.

  On the other hand, as shown in FIG. 17, the antenna 3 can be attached to the support column 2 at the maximum setting angle while minimizing the overlap between the support-side bracket 11 ′ and the adjustment bracket 13 ′.

  At this time, the metal drop prevention bolt receiving piece 11b1 ′ of the support side metal fitting 11 ′ and the metal drop prevention bolt receiving piece 13b1 ′ of the adjustment metal fitting 13 ′ are separated as much as possible, and the bolt head of the metal drop prevention bolt 6a. And the metal fitting drop prevention nut 6b are separated as much as possible.

  As a result, even when the angle setting bolt 5a and the angle setting nut 5b are attached and the angle is set, the metal drop prevention bolt receiving piece 11b1 'of the column side metal fitting 11' and the metal fitting prevention of the adjustment metal fitting 13 'are prevented. Since the bolt receiving piece 13b1 ′ is connected so as not to drop by the metal drop prevention bolt 6a and the metal drop prevention nut 6b, the installation angle of the antenna 3 with respect to the column 2 should be set large without impairing workability and safety. Can do.

  Therefore, according to the antenna tilt upper metal fitting 1 ′ of the second embodiment, the antenna side metal fitting 12 and the adjustment metal fitting are provided with three members, such as the support metal fitting 11 ′, the antenna side metal fitting 12, and the adjustment metal fitting 13 ′. A plurality of angle setting bolt holes 12a1, 12a1, ..., 13a1 ', 13a1', ... provided on both side faces 12a, 12a, 13a ', 13a' of 13 ' The mounting angle of the antenna 3 with respect to the column 2 can be set large by adjusting the position, inserting the angle setting bolt 5a, and tightening and fixing with the angle setting nut 5b.

  In particular, in the antenna upper tilt bracket 1 ′ according to the second embodiment, the metal fitting fall prevention bolt receiving piece 11b1 ′ and the metal fall prevention bolt receiving piece 13b1 ′ are provided on the support side metal fitting 11 ′ and the adjustment fitting 13 ′, respectively, thereby preventing the metal fitting fall. Since the bolt 6a can be mounted, a plurality of angle setting bolt holes 11a1 'and 11a1 provided on both side surfaces 11a' and 11a 'of the support side metal fitting 11' and both side surfaces 13a1 'and 13a1' of the adjustment metal fitting 13 '. ,..., 13a1 ', 13a1', ... when setting the mounting angle of the antenna 3 with respect to the column 2, the bracket fall prevention bolt hole 11b11 'of the bracket fall prevention bolt receiving piece 11b1' and the bracket fall prevention Insert the metal drop prevention bolt 6a into the metal drop prevention bolt hole 13b11 'of the bolt receiving piece 13b1' and attach the metal drop prevention nut 6b. Thus, as shown in FIG. 12, FIG. 13, etc., the angle setting bolt 5a is inserted into the plurality of angle setting bolt holes 11a1 ′, 11a1 ′,..., 13a1 ′, 13a1 ′,. Even before, it is possible to prevent the support-side metal fitting 11 'and the adjustment metal fitting 13' from falling, and to set a large installation angle of the antenna 3 with respect to the support 2 without impairing workability and safety.

  Further, in the antenna tilt upper metal fitting 1 ′ of the second embodiment, bolt holes for attaching the bolt drop-off prevention bolts 7a for preventing the metal drop-off prevention bolts 6a from dropping off on both side surfaces 13a ′ and 13a ′ of the adjustment metal fitting 13 ′. Since 13a3 'is provided, it is possible to prevent the drop-off prevention bolt 7a from falling off even before the metal drop-off prevention bolt 6a is tightened with the nut.

  In the description of the second embodiment, the adjustment fitting 13 ′ shown in FIGS. 15A to 15C and the like has been described as an example. However, the present invention is not limited to this, and instead of the adjustment fitting 13 ′, 18 (a)-(c), which is longer than the adjustment fitting 13 ', is used to connect the support-side fitting 11' and the antenna-side fitting 12 to each other. Of course, the antenna 3 may be mounted at a larger set angle than when the adjustment fitting 13 'shown in c) or the like is used.

1, 1 'Tilt upper bracket for antenna 11, 11' Column-side upper bracket 11a, 11a 'Side surface 11b, 11b' Bottom 11b1 'Bracket fall prevention bolt receiving piece 11b11' Bracket fall prevention bolt hole 12b2 Opening 12 Antenna side upper bracket 12a1 Side surface 12b Bottom surface 12a1 Angle setting bolt hole 12a2 Antenna bracket side connection bolt hole 12b1 Bracket fall prevention bolt receiving piece 12b11 Bracket fall prevention bolt hole 12b2 Opening portion 13, 13 'Adjustment bracket 13a, 13a' Side surface 13b, 13b 'Bottom surface 13a1 , 13a1 ′ Angle setting bolt hole 13a2, 13a2 ′ Supporting bracket side connecting bolt hole 13b1, 13b1 ′ Fixing fall prevention bolt receiving piece 13b11, 13b11 ′ Fixing fall prevention bolt hole 13b2 Opening 14 Bolt drop prevention fitting 2 Supporting 21 Supporting side Upper auxiliary bracket 2 Auxiliary metal fittings on the lower side of the support 3 Antenna 31 Upper auxiliary metal fittings on the antenna side 32 Lower auxiliary metal fittings on the antenna side 4 Lower tilt metal fittings for the antenna 41 Lower metal fittings on the vertical side 42 Antenna side lower metal fittings 5a Angle setting bolt 5b Angle setting nut 5c 5d Connecting nut 6a Bracket fall prevention bolt 6b Bracket fall prevention nut 7 Bolt fall prevention bolt 8 Anti-rotation bracket

Claims (5)

An antenna tilt upper bracket used together with an antenna tilt lower bracket for attaching an antenna to a column at a predetermined angle,
A support-side upper metal fitting that has both side surfaces and a bottom surface therebetween and is attached to the support column,
An antenna side upper metal fitting that has both side surfaces and a bottom surface between them and is attached to the antenna
There are adjustment brackets that have both side surfaces and a bottom surface between them, and connect the upper metal bracket on the support column and the upper metal bracket on the antenna side,
On both side surfaces of the adjustment bracket and on both side surfaces of at least one of the support-side upper metal fitting and the antenna-side upper metal fitting, the antenna is attached to the support at every predetermined angle. On the other hand, a plurality of angle setting bolt holes are formed through which angle setting bolts that are perpendicular to the plane including the support column and the antenna are passed,
A bracket drop prevention bolt receiving piece is erected on the bottom surface of the adjustment bracket and at least one of the bracket upper bracket and the antenna upper bracket. An antenna tilt upper bracket, wherein a bracket drop prevention bolt hole is formed in each of the bolt receiving pieces to allow a bracket drop prevention bolt to pass in a direction parallel to a plane including the support column and the antenna. The antenna upper tilt bracket according to claim 1,
Each of the bracket drop prevention bolt receiving pieces,
Cut and raise the bottom surface of the adjusting bracket and the bottom surface of at least one of the support-side upper bracket or the antenna-side upper bracket, and cut and raise the bracket drop prevention bolt receiving piece. An upper tilt bracket for an antenna, characterized in that an opening having a size through which a tool for rotating the antenna passes is provided. The antenna upper tilt bracket according to claim 2,
The metal drop prevention bolt receiving piece on the side to which the metal drop prevention nut that is screwed onto the metal drop prevention bolt is attached is connected to the end of the metal drop prevention bolt receiving piece through an anti-rotation fitting that prevents rotation. An antenna tilt upper stage characterized in that the bracket drop prevention nut is screwed onto the bracket fall prevention bolt so that the bracket fall prevention nut does not rotate and the head side of the bracket fall prevention bolt is rotated. Hardware. In the upper tilt metal fitting for antenna according to any one of claims 1 to 3,
A plurality of angle setting bolt holes are formed on both side surfaces of the adjustment bracket and both side surfaces of the antenna-side upper metal bracket,
A bracket drop prevention bolt receiving piece is erected on each of the bottom surface of the adjusting bracket and the bottom surface of the antenna-side upper metal bracket, and each of the bracket drop prevention bolt receiving pieces is provided with each of the bracket drop prevention bolts. A tilt upper bracket for an antenna, wherein a hole is formed. In the upper tilt metal fitting for antenna according to any one of claims 1 to 3,
A plurality of angle setting bolt holes are formed on both side surfaces of the adjustment bracket and both side surfaces of the support-side upper metal bracket,
A bracket drop prevention bolt receiving piece is erected on each of the bottom surface of the adjusting bracket and the bottom surface of the support column side upper bracket, and each angle setting bracket is provided on each bracket drop prevention bolt receiving piece. A tilt upper bracket for an antenna, wherein a fall prevention bolt hole is formed.

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