JP3619803B2 - Maintenance device for wall mounted array antenna - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a maintenance device for a building wall-mounted array antenna.
[0002]
[Prior art]
FIG. 6 is a side view showing a general building wall-mounted array antenna. 1 is a building, 2 is an array antenna installed on the wall surface, and 3 is a radome that covers the array antenna 2 and prevents it from wind and rain.
[0003]
As shown in FIG. 7, the maintenance of the building wall-mounted array antenna needs to be performed by assembling the scaffold 10 after removing the radome 3, and the work on the scaffold is a high place work and is dangerous. . In addition, the removal and reassembly of the radome 3 requires heavy machinery such as a crane truck and is not only a large-scale work, but also cannot be performed in rainy weather or under strong winds, and therefore requires considerable days and costs for maintenance.
[0004]
As another maintenance method, as shown in FIG. 8, there is a method in which the rope ladder 11 and the rope 11 are suspended from the top of the radome 3 without removing the radome 3 and are suspended. There was a problem that workability was bad.
[0005]
[Problems to be solved by the invention]
The present invention has been made to solve the above-described problems, and in a building wall-mounted array antenna, it is possible to safely remove the radome without being influenced by the weather, and to be safely and inexpensively. An object is to provide an apparatus capable of performing maintenance.
[0006]
[Means for Solving the Problems]
A maintenance device for a wall-mounted array antenna according to the present invention includes a maintenance gondola that is suspended between an array antenna that is attached to a wall surface of a building and a radome that protects the array antenna.
[0007]
Further, in the maintenance device for the wall-mounted array antenna, the maintenance gondola when not in use is stored at the bottom of the radome, and the wall has a doorway that allows entry into and exit from the maintenance gondola inside the radome. It is provided.
[0008]
Further, in the maintenance device for the wall-mounted array antenna, an opening / closing hatch for passing the maintenance gondola is provided at the bottom of the radome so that the maintenance gondola when not in use is placed on the ground outside the radome. is there.
[0009]
In the maintenance device for the wall-mounted array antenna, a hoisting machine for suspending the maintenance gondola is installed on the building wall in the radome.
[0010]
In the maintenance apparatus for the wall-mounted array antenna, a hoisting machine for hanging the maintenance gondola is installed on the building wall outside the radome.
[0011]
Further, in the maintenance apparatus for the wall-mounted array antenna, a plurality of maintenance gondolas that are lifted and lowered independently from each other are provided with respect to one array antenna surface.
[0012]
In addition, in the above-mentioned wall-mounted array antenna maintenance apparatus, the radome includes a gondola guide that guides the maintenance gondola when raising and lowering, and that can be folded or removed so as not to affect the array antenna function when the maintenance gondola is not used. It is provided inside.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
A first embodiment of the present invention will be described with reference to FIGS. In the figure, 1 is a building for installing an array antenna, 2 is an array antenna attached to the wall surface of the building 1, and 3 is a radome that covers the array antenna 2 and protects it from wind and rain.
[0014]
4 is a radome 3, and a maintenance gondola housed in the bottom of the radome 3 that is off the front surface of the array antenna 2, 5 is supported on the wall of the upper building 1 that is off the front surface of the array antenna 2 in the radome 3. A hoisting machine 6 attached by an arm 5 a is a suspension rope for hoisting the maintenance gondola 4 from the hoisting machine 5. The hoisting machine 5 is driven by a motor, for example, and operates by remote operation.
[0015]
Reference numeral 7 denotes a gondola guide for preventing the array antenna 1 from being damaged due to shaking when the maintenance gondola 4 moves up and down, and has a foldable structure. When the array antenna 2 is operated, that is, the maintenance gondola 4 When it is not lifted, it is folded and stored at a position 7a along the building wall. Reference numeral 8 denotes an entrance for an operator to enter and exit the radome 3 from the building 1 when maintenance of the array antenna 2 is required, and is provided on the wall surfaces of the building 1 at two locations on the left and right sides in the radome 3.
[0016]
Next, the operation will be described. When maintenance of the array antenna 2 is not performed, the maintenance gondola 4 is housed in the bottom of the radome 3. At the time of maintenance of the array antenna 2, an operator enters the radome 3 through the doorway 8 and hangs the suspension rope 6 wound around the hoisting machine 5 by remote control and connects it to both sides of the maintenance gondola 4. Next, the maintenance gondola guide 7 folded at the position 7a is set at the position of the solid line in the figure. After confirming that the suspension rope 6 is connected and the gondola guide 7 is set correctly, put a worker on the maintenance gondola 4 and operate the hoist 5 remotely to operate the maintenance gondola 4 arbitrarily. Maintenance of the lifted array antenna 2 is performed up to the maintenance site. After completion of the work, the maintenance gondola 4 is suspended to the lower part of the radome 3 to remove the suspension rope 6 and the suspension rope 6 is wound up as it is. Finally, the gondola guide 7 is stored in the position 7a.
[0017]
Embodiment 2. FIG.
A second embodiment of the present invention is shown in FIG. Since the basic structure of the second embodiment is the same as that of the first embodiment, the same reference numerals are given to the parts corresponding to those in FIGS. 1 and 2 in FIG. The structural difference from the first embodiment is that the maintenance gondola is divided into left and right divided parts 4a and 4b, and a detachable gondola guide 7 is provided between the maintenance gondola 4a and 4b. In order to individually lift the maintenance gondola 4a, 4b, the number of the hoisting machines 5 and the number of the suspension ropes 6 are doubled. The central gondola guide 7 has an upper end and a lower end that can be fixed to the wall surface of the building 1. The central gondola guide 7 is removed except for maintenance and stored in the bottom of the radome 3, for example.
[0018]
Although the operation is almost the same as that of the first embodiment, the difference is that the two maintenance gondola 4a and 4b are moved independently from each other and the central gondola guide 7 is always removed after the maintenance is completed. .
[0019]
Although the above description is an example of the case where the maintenance gondola is divided into two, the maintenance gondola may be divided into three or more as needed. Along with this, it goes without saying that the number of gondola guides, the number of hoisting machines, and the number of ropes are increased.
[0020]
Embodiment 3 FIG.
In the first embodiment and the second embodiment, the maintenance gondola 4 is housed in the bottom of the radome 3 except during maintenance. In the third embodiment, the maintenance gondola 4 is used when the radome 3 is not in use. It is installed on the outside lower ground 13. FIG. 4 shows a main part of the fourth embodiment, and the maintenance gondola 4 is placed on the ground 13. 9a is an open / close hatch provided at the lower part of the radome 3 for lifting the maintenance gondola 4 in the radome 3 during maintenance. Other configurations are the same as those in FIGS.
[0021]
The operation is almost the same as in the first and second embodiments, except that the maintenance gondola 4 is placed on the ground 13 outside the radome 3, so that the hatch 9a below the radome 3 is opened during maintenance. That is. The suspension rope 6 suspended from the hoisting machine 5 is connected to the maintenance gondola 4 through the open hatch 9a, and the maintenance gondola 4 is hoisted by the hoisting machine 5 in the radome 3 through the open hatch 9a. Perform maintenance.
[0022]
Embodiment 4 FIG.
A fourth embodiment of the present invention is shown in FIG. FIG. 5 shows the main part of the maintenance device, and the basic structure is the same as in the first and second embodiments, except that the hoist 5 for lifting the maintenance gondola 4 is located outside the radome 3. It is the point attached to the building wall surface with the support arm 5a. An openable hatch 9b is provided on the upper surface of the radome 3, and the hoisting machine 5 suspends the suspension rope 6 through the upper hatch 9b. Instead of the hatch 9b, a hole for passing the suspension rope 6 may be provided on the upper surface of the radome 3, and the hatch may be omitted. Other configurations are the same as those in FIGS. 1 to 3.
[0023]
The operation is almost the same as in the first and second embodiments, but the difference is that the hoist 5 is installed outside the radome 3, so that the upper hatch 9b on the upper surface of the radome 3 is opened in order to pass the suspension rope 6 during maintenance. The suspension rope 6 must be hung from the hoist 5 and connected to the maintenance gondola 4.
[0024]
Embodiment 5 FIG.
Although the hoisting machine 5 is installed on the wall surface of the building 1 outside the radome 3 and the maintenance gondola 4 is stored at the bottom of the radome 3 in the fourth embodiment, the hoisting machine 5 is installed in the building 1 outside the radome 3. The maintenance gondola 4 may be placed on the wall 13 and placed on the ground 13 outside the radome 3 when not in use. In this case, an openable lower hatch 9a is provided on the lower surface of the radome 3, and an openable upper hatch 9b or a hole through which the rope passes is provided on the upper surface of the radome 3.
[0025]
The basic operation is almost the same as in the first and second embodiments. The operation of the maintenance gondola 4 is as shown in the third embodiment, and the operation of the hoist 5 is as shown in the fourth embodiment.
[0026]
【The invention's effect】
As described above, according to the invention of claim 1, since the maintenance gondola that can be moved to any arbitrary position within the radome is provided, it is not necessary to remove the radome, and it is not affected by the weather, The array antenna can be maintained safely in a short period of time.
[0027]
According to the second aspect of the present invention, since the maintenance gondola is originally stored in the radome, the maintenance gondola is not required to be set during maintenance, and the work is simplified.
[0028]
According to the invention of claim 3, since the storage place for the maintenance gondola is on the ground, no extra load is applied to the radome, and no special consideration is required for the strength of the radome.
[0031]
According to the invention of claim 4 , by providing a plurality of maintenance gondola, maintenance of a wide array antenna surface can be performed in a short time by a plurality of workers.
[0032]
According to the invention of claim 5 , by providing the gondola guide, the maintenance gondola can be kept stable, the array antenna surface can be prevented from being damaged, the work safety can be ensured, and the work can be easily performed. Further, the function of the antenna is not affected by folding or removing.
[Brief description of the drawings]
FIG. 1 is a schematic front view showing a maintenance device for a wall-mounted array antenna according to Embodiment 1 of the present invention;
2 is a schematic side view of the maintenance device for the wall-mounted array antenna shown in FIG. 1; FIG.
FIG. 3 is a schematic front view showing a maintenance device for a wall-mounted array antenna according to a second embodiment of the present invention.
FIG. 4 is a schematic side view showing a main part of a maintenance device for a wall-mounted array antenna according to Embodiment 3 of the present invention;
FIG. 5 is a schematic side view showing a main part of a maintenance device for a wall-mounted array antenna according to Embodiment 4 of the present invention;
FIG. 6 is a schematic side view showing a general wall-mounted array antenna.
FIG. 7 is a diagram for explaining a conventional maintenance method for a wall-mounted array antenna.
FIG. 8 is a diagram for explaining a conventional maintenance method for a wall-mounted array antenna.
[Explanation of symbols]
1 building, 2 array antenna,
3 radome, 4 maintenance gondola,
4a maintenance gondola, 4b maintenance gondola,
5 winding machine, 5a support arm,
6 Hanging rope, 7 Gondola guide,
7b Gondola guide storage position, 8 Doorway,
9a Lower hatch, 9b Upper hatch,
13 Ground.

Claims (5)

An array antenna attached to the wall surface of the building, a radome attached to the wall surface of the building so as to cover the array antenna, and the building wall surface inside or outside the radome, separated from the front surface of the array antenna A hoisting machine installed at a position, a maintenance gondola that is suspended from the hoisting machine by a suspension rope, and moves up and down the array antenna surface, and is installed at a position away from the front surface of the array antenna. A maintenance device for a wall-mounted array antenna, comprising: a gondola guide for guiding the maintenance gondola so as not to damage the array antenna surface when the gondola is raised and lowered . 2. The maintenance device for a wall-mounted array antenna according to claim 1, wherein a maintenance gondola when not in use is stored in the bottom of the radome, and the wall can be used to get on and off the maintenance gondola in the radome. A maintenance device for a wall-mounted array antenna, characterized in that an entrance is provided. 2. The maintenance device for a wall-mounted array antenna according to claim 1, wherein an opening / closing hatch for passing the maintenance gondola is provided at the bottom of the radome, and the maintenance gondola when not in use is placed on the ground outside the radome. A maintenance device for a wall-mounted array antenna. 2. The apparatus for maintaining a wall-mounted array antenna according to claim 1 , wherein a plurality of maintenance gondolas are provided that are lifted and lowered independently from each other with respect to one array antenna surface. . 2. The maintenance device for a wall-mounted array antenna according to claim 1 , wherein the maintenance gondola is guided when it is raised and lowered, and when the maintenance gondola is not used, the gondola guide can be folded or removed so as not to affect the array antenna function. A maintenance device for a wall-mounted array antenna provided in the radome.

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