JP3727368B2 - Fixing bracket for mercury lamp - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a mercury lamp fixing bracket for fixing a mercury lamp used for night illumination at a construction work site to a single pipe of a work scaffold.
[0002]
[Prior art]
Conventionally, in order to attach a mercury lamp and ballast (for 200V) to a single pipe of a working scaffold, a commercially available mercury lamp mounting holder is formed in a swingable flat strip, and the holder is connected with a wire and a clamp. , Bolts and nuts were used for fixing.
[0003]
In addition, a ballast for mercury lamps must be provided at a high place that cannot be reached by humans from the viewpoint of safety, and its weight is about 10 kg, and it is difficult to mount the high place.
[0004]
[Problems to be solved by the invention]
In the mercury lamp mounting means, in order to securely fix the holder to a single tube arranged in a horizontal direction or a vertical direction, it must be fixed by increasing the number and amount of labor, In order to divert the mercury lamp to another work place, there was a problem that it could not be easily removed and was inconvenient.
Further, as described above, there is a problem that the ballast is a heavy object installed at a high place as described above, which is a troublesome mounting operation and the mounting state is often left unstable.
[0005]
The present invention has been made in view of the above-mentioned problems, and aims to provide a fixing bracket which is a stable fixing means that integrates a mercury lamp and a ballast together in a compact manner, simplifies mounting work at high places. To do.
[0006]
[Means for Solving the Problems]
The gist of the mercury lamp fixing bracket for solving the above-mentioned problems of the present invention and achieving the above object is that a flat pipe bent in an L shape and a tip of a single pipe pipe disposed in a vertical direction on a horizontal plane of the flat plate. A connecting means that is detachably fitted to the part, a fixing means for fixing the holder of the mercury lamp, an attaching means for attaching a ballast to the vertical surface of the flat plate, and a single pipe pipe disposed in the horizontal direction Is provided with a locking means to be locked.
[0007]
The locking means is rotatable so as to be folded on a vertical plane of a flat plate.
[0008]
[Action]
According to the mercury lamp fixing bracket of the present invention, a mercury lamp and a ballast can be compactly and collectively attached to a single pipe of a framework scaffold at a construction site. Ballasts are also placed at high altitudes to keep out of human reach. In addition, since the connecting means and the locking means are provided, it can be attached to either the single pipe pipe arranged in the vertical direction or the single pipe pipe arranged in the horizontal direction. Replacement becomes easy.
[0009]
【Example】
Next, embodiments according to the present invention will be described in detail with reference to the drawings. The mercury lamp fixture 1 according to the first embodiment is a flat plate 2 whose main body is bent into an L shape, as shown in FIGS.
[0010]
The flat plate 2 is made of metal, for example, a steel plate, an iron plate, a stainless plate, an aluminum plate, or the like. Since it is a work at a high place, if it can secure stability and strength, it should be lighter.
[0011]
On the horizontal surface 3 of the flat plate 2, a connecting pipe 5 as a connecting means that is detachably fitted to the tip of a single pipe 4 arranged in the vertical direction, and a fixing means for fixing a holder 6 a of the mercury lamp 6. A barrel fixing bolt 7 is provided.
[0012]
The connecting pipe 5 is a metal pipe having an outer diameter slightly smaller than the inner diameter of the single pipe 4 and is fixed to the back surface of the horizontal surface 3 by means such as welding.
Moreover, the said connection pipe 5 may be formed by cut | disconnecting a well-known pipe joint, and in that case, there exists a notch 5a in a surrounding wall surface.
[0013]
The fixing bolt 7 has a through hole formed in the horizontal surface 3 of the flat plate 2, and a bolt 7 a is inserted into the through hole from the lower surface to the upper surface, and a nut 7 b is fastened.
[0014]
The fixing bolt 7 may be located inside the connecting pipe 5 or may be located elsewhere.
[0015]
The vertical surface 8 of the flat plate 2 is provided with a through hole 10 and a long hole 11 as attachment means for attaching the ballast 9.
[0016]
As shown in FIG. 4, the long hole 11 is used for mounting the ballast 9, and is also used for fastening the nut 12 b by inserting the bolt 12 a of the clamp 12 attached to the single pipe 4. The
[0017]
Then, as shown in FIG. 5, bolts of hooks 15 and 15 serving as locking means that are locked at two places on a single pipe 13 disposed in the horizontal direction are inserted into the vertical surface 8 with a nut 15a. Locking holes 16 and 17 for fastening are provided. In addition, the clamp 18 fastened with the nut 18a while being fastened together with the lower end portion of the ballast 9 by inserting the bolt of the clamp 18 into the long hole 11 and being fastened to the lower single pipe 14 is locked.
[0018]
The hook 15 is attached to the vertical surface 8 in advance when the hook 15 is locked to the single pipe 13 disposed in the horizontal direction. The hook 15 is connected to the single pipe 4 disposed in the vertical direction. When fitting 5, the hook 15 is not necessary.
[0019]
As shown in FIG. 4, for example, the mercury lamp 6 and the ballast 9 are previously attached to the flat plate 2 on the flat plate 2 by the mercury lamp fixing bracket 1 as described above, as shown in FIG. 4. Work and attach detachably. Also, electrical wiring work is performed.
[0020]
The mercury lamp 6 is fixed by inserting a fixing bolt 7 through a through-hole drilled in the center of the holder 6a and fastening with a nut 7c. Further, the ballast 9 is fastened with a bolt 19 and a nut 20 on the upper side in the vertical direction, and on the lower side, the bolt 12a of the clamp 12 is inserted into the elongated hole 11 and is stabilized with the vertical surface 8 of the flat plate 2 with the nut 12b. The bottom end of the container 9 is fastened together and fixed.
[0021]
Then, the fixture 1 with the mercury lamp 6 and the ballast 9 fixed is transported and climbed onto the scaffold, and the connecting pipe 5 of the fixture 1 is fitted to the tip of the single pipe 4 arranged in the vertical direction. .
[0022]
Then, the clamp 12 can be fixed in an arbitrary direction by screwing the clamp 12 to the single pipe 4. Further, since the fixing bracket 1 is firmly fixed by the clamp 12, the fixing bracket 1 does not rotate around the axis of the single pipe 4 due to an external force such as wind, and the direction of the mercury lamp 6 does not change.
[0023]
In this way, the mercury lamp 6 and the ballast 9 are stably installed at a high place on the single pipe 4 arranged in the vertical direction.
[0024]
On the other hand, when the mercury lamp fixing bracket 1 is attached to the horizontally disposed single pipes 13 and 14, as shown in FIG. 5, the mercury lamp 6 is previously fixed to the flat plate 2 with fixing bolts 7, and the ballast 9 is fixed with the bolt 19 and the nut 20 and the bolt 18 and the nut 18a of the clamp 18. Further, the hooks 15 and 15 are fixed to the vertical surface 8 with nuts 15a by inserting bolt portions into the locking holes 16 and 17, respectively. Also, electrical wiring is performed.
[0025]
Then, the fixing fixture 1 to which the mercury lamp 6 and the ballast 9 are fixed is transported and climbed onto the scaffold, and the hook 15 is locked to the single pipe 13 arranged in the horizontal direction. It attaches to the single pipe 14 arranged in the direction.
[0026]
In this way, the mercury lamp 6 and the ballast 9 are stably installed at a high place on the single pipes 13 and 14 arranged in the horizontal direction.
[0027]
As shown in FIG. 6, the mercury lamp fixture 1 a according to the second embodiment of the present invention rotatably supports the hooks 15, 15 on the vertical surface 8 of the flat plate 2 and is parallel to the vertical surface 8. It can be folded.
[0028]
In the structure that allows the hook 15 to turn freely, slightly vertical holes 21 and 22 are formed in the vertical surface 8 along the shape of the hook 15. Then, the shaft 25 is projected from the support brackets 23 and 24, and the cylindrical hook holding bracket 26 is rotatably supported by the shaft 25.
[0029]
Then, the bolt portion of the hook 15 is rotatably fitted to the hook holding metal fitting 26. Therefore, the hook 15 rotates around the axis of the hook holding metal fitting 26, and further pivots approximately 90 ° horizontally from below in FIG.
[0030]
Reference numeral 27 denotes a stopper that holds the tip of the hook 15 folded on the vertical surface 8 and prevents its rotation. This rotates around the shaft 27a attached to the vertical surface 8 in the left-right direction in FIG.
[0031]
Further, a nut housing bolt 28 can be provided on the horizontal surface 3 of the flat plate 2. The nut 7c for the mercury lamp 6, the nut 15a for the hook 15 or the clamp 12 or the nuts 12b, 18a for the 18 attached to the threaded portion of the nut storage bolt 28 are appropriately screwed. Wear it.
Further, the bolt 28 can be used in place of the bolt 19 for mounting the ballast 9.
[0032]
By doing in this way, the nut for attachment required for the flat plate 2 is put together in one place, and parts management and fastening work become easy.
[0033]
Since the mercury lamp fixtures 1 and 1a according to the present invention are detachable from the single pipes 4, 13, and 14, the mercury lamp fixing work 1 and 1a can be easily diverted to other places in the work place and the work efficiency of the mercury lamp can be improved. It is.
[0034]
【The invention's effect】
As described above, the mercury lamp fixing bracket according to the present invention is detachably fitted to a flat plate bent in an L shape and to the tip of a single pipe pipe disposed in the vertical direction on the horizontal surface of the flat plate. Connecting means and a fixing means for fixing the holder of the mercury lamp, an attaching means for attaching a ballast to the vertical surface of the flat plate, and a latch that is latched to a single pipe pipe disposed in the horizontal direction. Since the mercury lamp and the ballast are compactly collected on a flat plate, it is easy and efficient to work at a high place, and the ballast is placed at a high place that cannot be reached by humans. Since it is installed, it has an excellent effect of ensuring safety.
[0035]
Further, since the locking means is rotatable so as to be folded on the vertical surface of the flat plate, an excellent effect is obtained that the handling and storage properties of the fixing bracket are improved.
[Brief description of the drawings]
FIG. 1 is a perspective view of a mercury lamp fixture according to a first embodiment of the present invention.
FIG. 2 is a side view of the mercury lamp fixing bracket.
FIG. 3 is a front view of the mercury lamp fixing bracket.
FIG. 4 is an explanatory view when the mercury lamp fixing bracket is attached to a single pipe arranged in the vertical direction.
FIG. 5 is an explanatory diagram when the mercury lamp fixing bracket is attached to a single pipe arranged in a horizontal direction.
FIG. 6 is a front view of a mercury lamp fixing bracket according to the second embodiment.
[Explanation of symbols]
1,1a Mercury lamp fixing bracket,
2 flat plate,
3 horizontal plane,
4,13,14 single pipe,
5 connecting pipes,
6 Mercury lamp,
7 Fixing bolt,
8 Vertical plane,
9 Ballast,
10 through-holes,
11 long hole,
12,18 clamp,
15 hooks,
16, 17 locking hole,
21 and 22 punch holes,
23, 24 support brackets,
25 axes,
26 Hook holding bracket,
28 Nut storage bolt.

Claims (2)

On the flat plate bent into an L shape, a connecting means that is detachably fitted to the tip of a single pipe pipe disposed in the vertical direction on the horizontal surface of the flat plate, and a fixing means for fixing the holder of the mercury lamp A fixing fixture for a mercury lamp, comprising: a mounting means for attaching a ballast to the vertical surface of the flat plate; and a locking means for locking to a single pipe arranged in a horizontal direction. 2. The mercury lamp fixing bracket according to claim 1, wherein the locking means is rotatable so as to be folded on a vertical surface of a flat plate.

Images