JPH0416881B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting device in which a lighting fixture is installed on a pedestal that is attached to a pole.

(Prior Art) A lighting device such as a floodlight that is supported by a pole and installed at a high place is generally installed on a frame attached to the pole.

Conventionally, there is a structure for mounting the lighting equipment as described in Japanese Utility Model Publication No. 55-48504.

The lighting fixture mounting frame shown in Figures 2 and 3 of this Japanese Utility Model Publication No. 55-48504 is composed of a pair of mounts and a ladder-shaped mount body fixed perpendicularly to these mounts. The pair of mounts are fastened to the pole by bolts, and the mount body is fixed to the mounts using U-shaped bolts.

Also, what is shown in Fig. 1 of this Japanese Utility Model Publication No. 55-48504 consists of a crosspiece that is installed on both sides of the pole substantially parallel to the pole and perpendicular to the pole, and a base that is attached horizontally to the crosspiece. After attaching the crosspiece to the pole with a band so as to sandwich the pole, a base is fixed to the crosspiece, and a long hole corresponding to the diameter of the pole is provided in this base, and a lighting is attached to this base. I am trying to install equipment.

(Problem to be Solved by the Invention) However, in the structure shown in FIGS. 2 and 3 of the above-mentioned Japanese Utility Model Publication No. 55-48504, the pair of mounts and the mount body are separate members, so it is difficult to handle. Not only is this troublesome, but in order to attach the mount to a pole, first tighten and secure a pair of mounts to the pole via bolts, then attach the mount body to the fixed mount using the U-shaped bolts. Since the installation work has to be fixed with There is.

In addition, in the case shown in Figure 1 of the same publication, the distance between the crosspieces must be adjusted each time using the long holes in the base depending on the diameter of the pole, and the distance between the beams exceeds the range of the size of the long holes. It is not compatible with poles that have been installed, and the assembly of the pedestal must be done on the pole, so the work of attaching the pedestal to the pole is divided into multiple stages.
This has the disadvantage of requiring a lot of effort and time.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to allow installation work to be easily and quickly performed on a pole in a single installation process, and to improve safety. It is an object of the present invention to provide a lighting device that is completely free from any problems.

[Structure of the Invention] (Means for Solving the Problems) That is, the present invention has a frame shape and has a pole insertion part in the middle part, and the instrument attachment part located on the side of the pole insertion part is integrally formed in advance. The above-mentioned pole insertion part is provided with a fixed pole holder that comes into contact with the pole on one side, and a pole holder is provided on the other side so that it can move forward and backward, and the threaded part is attached to the above-mentioned holder. The pole is held between the pole holder and the pole holder by tightening and fixing the pole holder with a tightening bolt inserted into the tool and operable from the outside of the frame-shaped part. In this case, a fixing mechanism that attaches to the pole is built into the frame itself.

(Function) According to such a configuration, the pedestal has a pole insertion part and an instrument attachment part integrated in advance, and this pole insertion part is provided with a pole holder on one side to be brought into contact with the pole. A pole holder is provided on the other side so that it can move forward and backward, and this pole holder is tightened and fixed with a tightening bolt, so that the pole is held between the pole holder and the pole holder, so that the mount can be moved forward and backward. If the bolt is rotated from the outside and the bolt is operated, the pole holder is drawn, and the pole can be held between the pole holder and the pole holder. Therefore, all you have to do is tighten the bolts.
The stand can be fixed to the pole with a single operation.

[Embodiments of the Invention] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

1 to 3 show a first embodiment of the present invention. In the figures, 1 is a pedestal, and this pedestal 1 is
A pair of front and rear beam members 2a and 2b made of square pipes,
It is in the shape of a frame composed of instrument mounting plates 3, 3 that connect both ends of the front and rear beam members 2a, 2b, and a pole insertion part 4 is provided in the middle part of the space within the frame. Reference numeral 5 denotes a lighting fixture mounting bolt provided on the fixture mounting plates 3, 3. Reference numeral 6 denotes a pole holder located on one side of the pole insertion part 4 and fixed to the inner surface of one of the beams 2a; 7 a pole holder located in the pole insertion part 4 of the gantry main body 1 and facing the pole holder 6; This pole presser 7 is slidably held by the gantry main body 1 at both ends thereof. Reference numeral 8 denotes a pair of rails provided on the pedestal 1 to hold the pole holder 7 on the pedestal 1.
are arranged in the width direction of the pedestal 1 with the pole insertion part 4 in between, and the beam members 2a, 2b of the pedestal 1 are connected at both ends thereof.
is fixed. The rails 8, 8 have a U-shaped cross section as shown in FIG. ing. Further, reference numeral 9 denotes a pair of tightening bolts for tightening the pole holder 7, and the screw portions of the tightening bolts 9, 9 pass through the beam material 2a to which the pole holder 6 is attached, and the rails 8, 8 The pole holder 7 is provided in parallel with the pole holder 7, and is threadedly inserted into both ends of the pole holder 7. These tightening bolts 9, 9 are used to clamp and fix the pole 10 between the pole holder 6 and the pole holder 7 by exposing the heads to the outside of the pedestal 1. The tightening bolts 9, 9 are provided so as to be rotatable from each other, and the tightening reaction force of the tightening bolts 9, 9 is received by the beam member 2a that receives the bolt head.

A lighting device having such a configuration has a pole holding tool 7.
Pass the pole 10 through the pole insertion part 4 between the pole holder 6 and the pole holder 7 with the pole holder 6 fixed to the frame sufficiently spaced from the pole holder 6, and after this, it can be operated from the outside of the frame-shaped part. Tighten the tightening bolts 9, 9 provided on the pole holder 6 and pole holder 7.
Since it is attached to the pole 10 by clamping and fixing the pole 10 between the pole 10, this lighting device consists of a pole holder 6 fixed to the pedestal itself, a pole holder 7 that can move forward and backward, and tightening bolts 9, 9. Because it incorporates a pole fixing mechanism,
The installation work to the pole 10 can be easily done in one installation work, and therefore, it is possible to install the mounting base on the pole and then attach the mount body to the mounting base, or the distance between the crosspieces can be adjusted to the base. Compared to conventional lighting devices, which require adjustment using a long hole and tightening a band, the installation work to the pole can be done easily and in a short time. In addition, this lighting device fixes the pole holder 6 to the beam 2a of the pedestal 1, and
Since both ends of the pole holder 7 are held by the pedestal 1 via the rails 8, 8, the pedestal 1 can be supported not only by the pole holder 6 but also by the pole holder 7. There is no problem in terms of safety, as there is no chance of the machine tilting. In FIG. 1, reference numeral 11 denotes a lighting fixture, for example a floodlight, and this lighting fixture is attached to the fixture mount 3 by the mounting bolts 5.

FIG. 4 shows a second embodiment of the present invention. The lighting device of this embodiment is the same as the first embodiment except that the length of the pedestal 1 is increased. It's becoming the same.

5 and 6 show a third embodiment of the present invention. In this embodiment, instead of the U-shaped cross section rail in the first embodiment, a rod made of, for example, a round steel bar is used. 12, 12, and use these rods 12, 12 to attach both ends of the pole retainer 7 to this rod 1.
2 and 12 in a slidable manner, and the structure thereof is the same as that of the first embodiment.

[Effects of the Invention] As explained above, according to the present invention, the pedestal has integrally the pole insertion part through which the pole is inserted and the instrument attachment part, and the pole insertion part has the above-mentioned pole on one side. A pole holder that comes into contact with the pole holder is fixedly provided, and a pole holder is provided on the other side of this pole insertion part so that it can move forward and backward, and the threaded part of this pole holder is inserted into the pole holder and the pole holder is attached to the outside of the frame-shaped part. By tightening and fixing the pole with a tightening bolt that can be operated from the pole, the pole is held between the pole holder and the pole holder, so the pole insertion part can be inserted into the pole regardless of the diameter of the pole. The pedestal can be attached to the pole in one step by simply tightening the tightening bolts.

Moreover, the tightening operation of the tightening bolt can be carried out in a state in which the pole receiver, which is inserted through the pole of the frame and is fixed to the frame, is in contact with the pole, and the operation can be performed stably.

Therefore, the workability is good, it can be done in a short time, and it is safe because it can be done easily even at high places.

[Brief explanation of drawings]

1 and 2 are a perspective view and a plan view of a pedestal of a lighting device showing a first embodiment of the present invention, FIG. 3 is an enlarged sectional view taken along line A-A in FIG. 2, and FIG. 4 5 is a plan view of the pedestal showing the second embodiment of the present invention, FIG. 5 is a plan view of the pedestal showing the 3z embodiment of the present invention, and FIG. 6 is an enlarged view taken along line B-B of FIG. 5. FIG. 1... Frame, 4... Pole insertion part, 6... Pole holder, 7... Pole holding bracket, 8... Rail, 9... Tightening bolt, 10... Pole, 12...
...Rotsud.

Claims (1)

[Scope of Claims] 1. A pole, a frame-shaped pole insertion part in the middle part through which the pole is inserted, and an instrument mounting part located on the side of the pole insertion part integrally formed in advance, A pole holder that abuts the pole is fixedly provided on one side of the pole insertion part, and a pole holding tool that holds the pole between the pole holder and the pole holder is provided on the other side of the pole insertion part. A tightening bolt is provided facing the pole holder so as to be movable forward and backward, and the threaded portion of the bolt is inserted into the pole holder so as to be operable from the outside of the frame. A lighting device comprising: a pedestal that is attached to the above-mentioned pole; and a lighting fixture that is attached to the fixture attachment portion of the pedestal. 2. The lighting device according to claim 1, wherein both ends of the pole holder are slidably fitted into a pair of rails with a U-shaped cross section provided with the pole insertion portion sandwiched therebetween. 3. The lighting device according to claim 1, wherein both ends of the pole holder are slidably fitted to the outside of a pair of rods provided across the pole insertion portion.