JPS6342580Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an antenna direction adjustment device for adjusting the direction of an antenna such as a parabolic antenna, particularly in the horizontal direction.

Conventionally, this type of antenna direction adjusting device has been configured as shown in FIG. 1, for example. In the figure, reference numeral 1 denotes an L-shaped antenna mounting bracket, and a frame 3 fixed to the back surface of a reflector 2 of a parabolic antenna, for example, is attached to a vertical piece 1a of the antenna mounting bracket 1. Flange 4 on the horizontal piece 1b of this antenna mounting bracket 1
One end is rotatably supported by a support part 8 provided on the upper end flange of the column 6 via a fixing bolt 5, and by tightening the fixing bolt 8, the antenna mounting bracket 1 can be set at an arbitrary angle. It is now possible to set it to In addition, the antenna mounting bracket 1
The upper end of an adjustment bolt 10 is rotatably supported at the other end of the flange 4 via a fixing bolt 9, and can be fixed by tightening the fixing bolt 9. The adjustment bolt 10 is attached to the support 6
It is inserted into a hole provided in the upper end flange 7, and its vertical movement can be adjusted using nuts 11 and 12.

The support column 6 is fixed to a bottom plate 13 as shown in FIG. 2 with fixing bolts 14, and the bottom plate 13 is fixed to a rigid plane with anchor bolts or the like. In addition, in FIG. 3, 15 is a handle provided on the upper part of the support column 6.

In the antenna direction adjustment device having such a configuration, fine adjustment of the vertical direction of the reflector 2 is performed using the fixing bolt 5.
This is done by loosening the adjustment bolt 9 and adjusting the nuts 11 and 12. For fine adjustment in the horizontal direction, loosen the fixing bolt 14, grasp the handle 15 and
This is done by rotating the .

However, this antenna direction adjustment device has drawbacks such as not being able to make fine adjustments in the horizontal direction, and also being large and complicated, heavy, and having low productivity and high price.

This idea was made in view of the above circumstances,
The purpose is to provide an antenna direction adjustment device that is lightweight, highly productive, and inexpensive and allows fine adjustment in the horizontal direction.

An embodiment of this invention will be described below with reference to the drawings. In FIG. 4, reference numeral 21 denotes an L-shaped mount (pan head), and this mount 21 is attached, for example, to the back side of a reflector 22 of a parabolic antenna. This mount 21 has an arc shape 23,
An arcuate groove 24 is formed along this arcuate shape 23. There is a groove 24 at the top of this groove 24.
An angle scale 25 of, for example, 10 to 80 degrees is carved along the angle. 26 is a scale indicator plate having a convex scale indicator 27. This scale indicating plate 26 has a width slightly wider than the width of the groove 24, and the U-shaped bolt 2
Two holes 29 for insertion of 8 are formed. That is, the lower part of the mount 21 is fixed to the support 30 by inserting the U-shaped bolt 28 from the back side of the mount 21 through the groove 24 and into the hole 29 of the scale indicating plate 26 with the support 30 in between, and tightening the nut 31. It's becoming like that. Furthermore, in the mount 21, arcuate grooves 32 and 33 smaller than the groove 24 are formed opposite to each other above the groove 24. That is, the U-shaped bolt 34 is inserted from the back side of the mount 21 through the grooves 32 and 33 with the support 30 in between, and into the hole of the stopper 35, and then the nuts 36 and 3 are inserted.
By tightening 7, the upper part of the mount 21 is fixed to the support column 30.

38 is a vertical fine adjustment mechanism. This fine adjustment mechanism 38 is composed of a bolt holding fitting 39 and a direction adjustment bolt 40. The bolt holding fitting 39 has a bottom portion wider than the groove 24;
As shown in FIG. 5, both ends are bent at right angles to form a U-shape. The bolt holding fitting 39 has opposing holes 41 and 42 into which the direction adjusting bolt 40 is inserted on both end faces thereof, and a bolt fixing hole 43 formed on the bottom thereof. This bolt holding fitting 39 is constructed by inserting the fixing bolt 44 from the back side of the mount 21 into the hole 43 through the groove 24.
It is fixed to the mount 21 by tightening. One end of the direction adjusting bolt 40 is bent into an L-shape as shown in FIG. On the other hand, engagement holes 45 and 46 are formed at both ends of the scale indicating plate 26, and the engagement hole 45 on the side closer to the direction adjustment bolt 40 of these engagement holes 45 and 46 is used for direction adjustment. The L-shaped end of bolt 40 is engaged. In addition, the direction adjustment bolt 4
The threaded part 0 is the hole 41, 42 of the bolt holding fitting 39.
The bolt holding fitting 39 is inserted into the bolt holding fitting 39 and the nuts 47 and 48 are screwed into the threaded portion. That is, by tightening and adjusting the nuts 47 and 48, the mount 21 is aligned with the groove 32,
33 to align the vertical direction of the reflecting mirror 22.

Reference numeral 49 denotes an adjustment bracket for horizontal adjustment, and as shown in FIG. 6, both ends of the adjustment bracket 49 are bent at right angles in the vertical direction. A hole 51 for attaching a U-shaped bolt is formed in a vertical piece (post attachment part) 50 extending downward of the adjustment bracket 49, and a hole 51 for attaching a U-shaped bolt is formed in a vertical piece (adjustment bolt attachment part) 52 extending upward. Two holes 53, 53 are formed. That is, this adjustment bracket 49
It is fixed to the column 30 by a column mounting bracket 101 consisting of a nut 55, that is, a hole 51 in the vertical piece 50.
The mount 21 is fixed to the support 30 by inserting a U-shaped bolt 54 therein and tightening a nut 55, and the lower end of the mount 21 is brought into contact with the horizontal portion 56 thereof. Further, an adjustment bolt 57 is screwed into the hole 53 of the vertical piece 52 of the adjustment bracket 49, and its tip end is connected to the mount 21.
It is designed to come into contact with the lower end of the.

Next, an adjustment method of this antenna direction adjustment device will be explained. First, to adjust the vertical direction, pass the support 30 through the two U-shaped bolts 28 and 34 until the tips abut the stopper 58 as shown in FIG. The mount 21 attached to the section is temporarily fixed with nuts 36 and 37. Next, in this state, mount 21
is moved along the longitudinal direction of the groove 24 to perform coarse adjustment. After that, the direction adjustment bolt 40 is inserted into the holes 41 and 42 of the bolt holding fitting 39, and the bolt holding fitting 39 is held between the nuts 47 and 48.
The L-shaped end of the direction adjustment bolt 40 is engaged with one engagement hole 45 of the scale indicator plate 26, and the fixing bolt 44 is screwed into the hole 43 of the bolt holding fitting 39 from the back side of the mount 21 through the groove 24. do. Next, the scale indicating portion 27 of the scale indicating plate 26
Adjust the nuts 47 and 48 while visually checking the indication scale, and rotate the mount 21 to make fine adjustments in the vertical direction. After completing this fine adjustment, Natsu 3
1, 31, 36, and 37 to firmly fix the mount 21 to the support column 30.

Next, horizontal adjustment will be explained. First, the mount 21 is temporarily fixed to the support column 30 in the same manner as in the case of vertical adjustment described above. Next, in this state, the mount 21 is rotated around the support column 30 to perform rough adjustment. Thereafter, the vertical piece 50 of the adjustment bracket 49 is firmly fixed to the column 30 using a U-shaped bolt 54 and a nut 55 so that the lower end of the mount 21 abuts the horizontal portion 56. Next, the vertical piece 52 of this adjustment bracket 49
Adjustment bolts 57, 57 in holes 53, 53, respectively.
This adjustment bolt 57, 57 is screwed together.
Adjust and press the tips of each onto the lower end of the mount 21. Then, fine adjustment in the horizontal direction is performed by rotating the mount 21 around the support column 30. When this fine adjustment is completed, the nuts 31, 31, 36,
37 to firmly fix the mount 21 to the column 30. Incidentally, once the adjustment in the vertical and horizontal directions is completed, the adjustment bracket 49, the U-shaped bolt 54, and the adjustment bolt 57 may be removed.

In this way, this antenna direction adjustment device allows fine adjustment in the horizontal direction. In addition, the device has a simple configuration, is lightweight, and is suitable for mass production, resulting in a low product price.

In the above embodiments, the attached antenna is described as a parabolic antenna, but the present invention is not limited to this, and can be applied to other antennas such as an electromagnetic horn.

As described above, the antenna direction adjustment device of this invention is capable of fine adjustment in the horizontal direction, which was previously impossible, and is lightweight, highly productive, and inexpensive.

[Brief explanation of drawings]

Fig. 1 is a side view showing a conventional antenna direction adjustment device, Fig. 2 is a plan view of the bottom plate used in the device shown in Fig. 1, Fig. 3 is a perspective view of main parts of the device shown in Fig. 1, and Fig. 4 is a side view showing a conventional antenna direction adjustment device. The figure is a front view of an antenna direction adjustment device according to an embodiment of the invention, and FIG. 5 is a side view, partially in section, of the vertical direction fine adjustment mechanism in the device of FIG.
6 is a side view of the apparatus of FIG. 4; FIG. 21...L-shaped mount, 22...Reflector, 2
3...Circular arc part, 24...Groove, 25...Angle scale,
26... Scale indicator plate, 27... Scale indicator, 28
... U-bolt, 30 ... Support column, 32, 33 ...
Groove, 34... U-shaped bolt, 39... Bolt holding fitting, 40... Direction adjustment bolt, 41, 42...
Hole, 45, 46...Engagement hole, 47, 48...Nut, 49...Adjustment bracket, 50...Vertical piece (post attachment part), 52...Vertical piece (adjustment bolt attachment part), 54... U-shaped bolt.

Claims (1)

[Scope of utility model registration request] an antenna holding mechanism that holds the antenna by an antenna mounting plate 21 that is rotatably mounted on the support post 30; a support mounting bracket 101 that is attached to the support post 30 on the lower side of the antenna mounting plate 21;
A lower end vertical piece 50 is attached to this strut mounting bracket 101, a horizontal part 56 abuts the lower end of the antenna mounting plate 21, and an upper end vertical piece 52 is located facing the outside of the lower end of the antenna mounting plate 21. A Z-shaped adjustment bracket 49 and two screw holes 5 provided at the left and right ends of the upper vertical piece 52.
3 and adjustment bolts 57 that are screwed into these two screw holes 53 respectively, and by adjusting the adjustment bolts 57 while the antenna mounting plate 21 is temporarily fixed to the support 30, the antenna can be adjusted in the horizontal direction. An antenna direction adjustment device characterized by adjusting the direction of the antenna.