JPH11122015A - Mirror surface supporting structure body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform simple, easy and highly accurate manufacture and to improve the degrees of freedom of its manufacture. SOLUTION: A desired supporting shape corresponding to a mirror finished surface shape is formed by combining a beam member 10, provided with the connection fitting parts 10b of an almost semicylindrical shape are provided on both end parts of a beam 10a and a connection member 11 provided with the plural connection fitting parts 11a to which the connection fitting parts 10b of the beam member 10 are fitted freely turnably around an axis which is almost orthogonal to a mirror surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mirror support structure used for manufacturing an antenna reflector for construction in space or on the ground, for example.

[0002]

2. Description of the Related Art Generally, an antenna reflector has a honeycomb sandwich panel structure in which a honeycomb sandwich panel is formed into a mirror-like shape, and the mirror surface is mounted on a mirror-surface support structure. There is also known a mold material structure in which a mirror surface support structure is formed by combining and joining the mirror surface support structure, and a mirror surface is assembled to the mirror surface support structure.

The former structure is characterized in that it is possible to manufacture a lightweight, highly accurate mirror reflector with high accuracy due to its material. The latter structure is characterized in that the material cost is relatively inexpensive and the manufacturing shape is flexible.

[0004] However, in the former honeycomb sandwich panel structure, since a forming jig must be used to form the honeycomb sandwich panel into a mirror-like shape, there is little freedom in the shape of the honeycomb sandwich panel, and the manufacturing management thereof is hardly performed. It has a problem that it is very troublesome.

Also, in the latter frame structure, the structure must be cut and selectively assembled by welding or the like in accordance with the shape of the mirror surface due to its configuration, so that its manufacture is very troublesome. There is a problem that it is difficult to manufacture the mirror surface with high precision.

[0006]

As described above, conventional antenna reflectors have a low degree of freedom in manufacture,
It is very troublesome to manufacture a mirror surface with high precision, and there is a problem that the manufacturability is very poor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a mirror surface support structure which is simple, can easily realize high-precision production, and can improve the degree of freedom in production. The purpose is to provide.

[0008]

According to the present invention, a plurality of beam members having curved connection fitting portions provided at both ends of a beam, and the beam members are connected in a mirror-like shape. A mirror support structure is provided, comprising: a plurality of coupling members having a plurality of connection fitting portions in which the connection fitting portions of the members are rotatably fitted around an axis substantially orthogonal to the mirror surface.

According to the above configuration, the connection fitting portions of the plurality of beam members are fitted to the connection fitting portions of the coupling member in accordance with the mirror surface shape, and the fitting state is variably adjusted, so that a desired state can be obtained. Is formed. With this, a simple fitting operation in which the connection fitting portion of the coupling member and the connection fitting portion of the beam member are fitted and the fitting state is variably adjusted without performing a complicated assembling work such as welding work. By the assembling work, it is possible to form a desired support shape that realizes high mirror surface accuracy.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows a mirror support structure according to an embodiment of the present invention. For example, a support member corresponding to a desired mirror surface shape is formed by assembling an aluminum beam member 10 and a coupling member 11. (However, only a part is shown in FIG. 1 for the sake of convenience in the drawing). The beam member 10 thus combined and connected is
On the coupling member 11, for example, a solid type antenna reflector 12 is attached.

As shown in FIG. 2, the beam member 10 has, for example, a convex connection fitting portion 10b having a substantially semi-cylindrical shape at both ends of a linear beam 10a. Are provided with predetermined mounting angles θ and φ and are inclined (see FIG. 4). And this beam member 10
The length L including the connection fitting portion 10b and the beam 10a is set to be substantially the same.

On the other hand, a plurality of connecting members 11, for example, as shown in FIG.
As shown in FIG. 7, four concave connection fitting portions 11a each having a substantially semi-cylindrical shape are provided corresponding to the connection fitting portions 10b of the beam member 10. This connection fitting portion 11a includes a beam member 10
Is fitted rotatably about an axis substantially perpendicular to the mirror surface direction (about an axis substantially perpendicular to the beam). As a result, the beam member 10 is assembled to the coupling member 11 in a support shape corresponding to the mirror shape.

In the above configuration, the beam members 10 are attached to the connection fitting portions 10b in accordance with the mirror shape.
Is set. The number of the beam members 10 is set according to the mirror shape, and the beam members 10 are combined into a desired support shape via the coupling member 11. First, the beam member 10
The connection fitting portion 10b is connected to the connection fitting portion 11 of the connecting member.
a. Then, the beam member 10 has its connection fitting portion 10b rotated and adjusted with respect to the connection fitting portion 11a of the coupling member 11, the mutual fitting state is variably adjusted, and the beam member 10 is set to a desired support shape. With the mating position determined,
The positions are mutually bonded by using, for example, an adhesive. Next, the antenna reflector 12 is assembled on the beam member 10 and the coupling member 11 thus combined and coupled.

As described above, the mirror support structure includes the beam member 10 having the substantially semi-cylindrical connection fitting portions 10b provided at both ends of the beam 10a, and the connection fitting portions 10 of the beam member 10.
b is combined with a coupling member 11 having a plurality of connection fitting portions 11a rotatably fitted around an axis substantially orthogonal to the mirror surface to form a desired support shape corresponding to the mirror surface shape. It was configured as follows.

According to this, the connection fitting portion 11a of the connecting member 11 and the connection fitting portion 10b of the beam member 10 are fitted together without performing a complicated assembling operation such as a welding operation as in the related art. With a simple assembling operation only by variably adjusting the fitting state, it is possible to produce a desired support shape realizing high-precision mirror surface accuracy, and simple and easy production is realized. According to this, by appropriately setting the number of the beam members 10 and the coupling members 11 and the like, it is possible to apply the present invention to various mirror-shaped members, so that a higher degree of freedom in manufacturing can be obtained.

In the above embodiment, the connection fitting portion 10b of the beam member 10 is formed in a convex shape, and the connection fitting portion 11a of the coupling member 11 is formed in a concave shape. However, without being limited to this, for example, the beam member 10
May be formed in a concave shape, and the connection fitting portion 11a of the coupling member 11 may be formed in a convex shape. The connection fitting portion 10b of the beam member 10 and the connection fitting portion 11a of the coupling member 11 are not limited to a substantially semi-cylindrical shape, but may be formed in various shapes such as a substantially semi-polygonal shape or a cylindrical shape. Is possible. The beam members 10 may be configured to have different lengths without using the same length L.

Further, in the above embodiment, the connection fitting portion 10b of the beam member 10 has been described as being provided so as to be inclined by the predetermined mounting angles θ and φ, but the present invention is not limited to this. As shown in FIG. 5, the connection fitting portion 10b is rotatably combined with the beam 10a, and the rotation fulcrum is provided so as to be rotatable via the hinge mechanism 13, and the mounting angles θ and φ are determined. It is also possible to configure so as to be variably adjustable. In this case, the locking portion 14 is provided, and the beam 10 is
In a state where the mutual positions of “a” and the connection fitting portion 10b are positioned, the mutual engagement is locked. According to this,
Applicable mirror surface shapes can be diversified, and more effective effects are expected.

Further, in the above embodiment, the beam member 10
Although the connection fitting portion 10b is provided at both ends of the beam 10a in a manner inclined at a predetermined mounting angle θ, φ in accordance with the mirror shape, the connection fitting portion 10b is not limited to this. The fitting portion 11b may be configured to be inclined at a predetermined mounting angle.

Further, in the above embodiment, the description has been given of the case where the mirror support structure is formed by using four connection fitting portions 11a of the coupling member 11 provided radially. Without limitation, for example, it is also possible to use a plurality of different types of coupling members having two, three, and four connection fitting parts 11a. Therefore, it is needless to say that the present invention is not limited to the above-described embodiment, and that various modifications can be made without departing from the scope of the present invention.

[0020]

As described above in detail, according to the present invention, a mirror-surface supporting structure which can be simply and easily manufactured with high precision and can be manufactured with a higher degree of freedom. Can be provided.

[Brief description of the drawings]

FIG. 1 is a view showing a part of a mirror support structure according to an embodiment of the present invention.

FIG. 2 is a view showing the beam member of FIG. 1 taken out.

FIG. 3 is a view showing the coupling member of FIG. 1 taken out;

FIG. 4 is a view showing an example of an attachment angle of the beam member of FIG. 2;

FIG. 5 is a diagram showing another embodiment of the present invention.

[Explanation of symbols]

 10 ... Beam member. 10a ... beam. 10b ... connection fitting part. 11 ... connecting member. 11a ... connection fitting part. 12. Antenna reflector. 13. Hinge mechanism. 14 ... Lock part.

Claims (6)

[Claims] 1. A plurality of beam members having curved connection fitting portions provided at both ends of a beam, and the beam members are connected to each other in a mirror-like shape, and the connection fitting portions of the beam members have mirror surfaces. And a plurality of connecting members having a plurality of connection fitting portions rotatably fitted around an axis substantially orthogonal to the mirror surface supporting structure. 2. The mirror surface support structure according to claim 1, wherein the connection fitting portions of the plurality of beam members are formed in a convex shape, and the connection fitting portions of the coupling member are formed in a concave shape. . 3. The mirror support structure according to claim 2, wherein the connection fitting portion of the beam member and the connection fitting portion of the coupling member are formed in a substantially semi-cylindrical column or a substantially semi-polygonal column shape. body. 4. The apparatus according to claim 1, wherein at least one of the connection fitting portion of the beam member and the connection fitting portion of the coupling member is formed to be inclined at a predetermined angle corresponding to a mirror surface shape. 4. The mirror support structure according to any one of the above items 3. 5. The mirror-surface supporting structure according to claim 1, wherein the connection fitting portion of the beam member is provided so as to be adjustable in angle in a mirror surface direction. 6. The mirror support structure according to claim 1, wherein the connection member has four connection fitting portions provided radially.