JP2880384B2 - Fictitious hanging bracket for capsule closure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an imaginary suspension fitting for a capsule closure for suspending a capsule closure for covering a connection portion between imaginary cables on an imaginary support line (hereinafter simply referred to as an imaginary suspension fitting). ).

[0002]

2. Description of the Related Art FIGS. 5 and 6 show an example of this type of overhead hanging bracket.
This is described in Japanese Patent Application Laid-Open No. 2-197803. In the figure, reference numeral 1 denotes a cylindrical capsule for covering a connection portion between the cables 3 and 3 laid on an imaginary support wire 2. Reference numeral 4 denotes a closure, which is a main body of an overhead hanging bracket for suspending the capsule closure 1 on an overhead support line 2. Here, the capsule closure 1 is configured by fastening a pair of half bodies 1A and 1B with a fastening band 5.

The hanging bracket body 4 is formed from a stainless steel plate and is bent in an S-shape as shown in FIG.
The upper end is a hooking part 6 hung by the overhead support line 2, and the lower end is a holding part 7 for holding the capsule closure 1. The holding portion 7 holds the capsule closure 1 by being interposed between the tightening band 5 and the capsule closure 1, and the channel ( It is formed in a (groove) shape and is prevented from coming off from the tightening band 5. The hooking portion 6 has an inverted U-shape in which the upper portion is a cylindrical portion 8 having the same radius of curvature as the outer diameter of the aerial support line 2, and the aerial support line 2 is inserted through the cylindrical portion 8. The hanging bracket 6 is fastened by a bolt 9 and a nut (not shown) so that the hanging bracket main body 4 is fixed to the overhead support wire 2 and the capsule closure 1 is hung. Has become.

[0004]

By the way, the operation of suspending the capsule closure 1 on the overhead support line 2 by such an overhead suspension fitting main body is naturally performed at a high place. Here, when working in such a high place, every care must be taken to prevent the parts and the like from dropping in order to ensure safety below. However, in the overhead hanging bracket having the above configuration, when the capsule closure 1 is hung on the overhead support line 2, the operation of inserting the overhead support line 2 into the cylindrical portion 8 of the hooking section 6 and then tightening with the bolts 9 and nuts is performed. , Must be performed at a high place where the capsule closure 1 is imagined. For this reason, no matter how much attention is paid, the risk of dropping the bolts 9 and nuts cannot be completely eliminated as long as the bolts 9 and nuts are parts independent of the hanging bracket body 4.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems. A holding portion for holding a capsule closure is provided at a lower end of a hanging bracket main body, and the hanging portion is provided at an upper end. A hanging portion for suspending the hanging metal body to the overhead support line is provided, a recess in which the overhead support line can be fitted, a fastening plate for closing an opening of the recess, and a fastening plate. A hanging portion side fastening means for fastening a plate to the hanging bracket main body, the hooking portion side fastening means includes a female screw portion provided on the hanging bracket main body,
A screw shaft which is screwed to the female screw portion and is detachably attached to the tightening plate. Further, a head is provided at one end of the screw shaft, and the other end of the female screw portion is provided at the other end. An enlarged diameter portion having an outer diameter larger than the inner diameter is provided.

[0006]

With the above-mentioned overhead suspension metal fitting, the holding part holds the capsule closure and then the hanging part main body is hooked to the overhead support wire by the holding part, similarly to the above-mentioned conventional overhead hanging fitting. And suspend the capsule closure. Here, the hooking to the overhead support line by the hooking portion is performed by inserting the overhead support line into the concave portion,
This is performed by fixing the fastening plate to the hanging bracket main body by the hook-side fastening means and closing the opening of the recess. In the present invention, the engaging portion side fastening means includes a female screw portion provided on the hanging bracket main body, and a screw shaft screwed to the female screw portion and capable of being detachably engaged with the fastening plate. A head is provided at one end of the screw shaft, and an enlarged diameter portion having an outer diameter larger than the inner diameter of the female screw portion is provided at the other end. That is, since the head and the enlarged diameter portion are arranged so as to sandwich the portion screwed to the female screw portion of the screw shaft, and the removal of the screw shaft from the female screw portion is restricted, no care is taken. It is possible to completely avoid a situation in which the screw shaft comes off the hanging bracket main body and falls.

[0007]

1 to 4 show an embodiment of the present invention. In these figures, reference numeral 11 denotes
The hanging bracket main body of the present embodiment is formed by bending an elongated plate-shaped member made of a stainless steel plate or the like, and a capsule closure 1 is provided at a lower end of the hanging bracket main body 11.
Is provided, and a hook 13 is provided at the upper end for hanging and suspending the hanging metal body 11 on the aerial support line 2.

The hooking portion 13 includes a recess 14 into which the overhead support wire 2 can be fitted, a fastening plate 15 for closing the opening of the recess 14, and the fastening plate 15 for suspending the fastening plate 15.
1 and a hook-side fastening means 16 which is fastened to and fixed to the first member 1. The concave portion 14 is formed by bending the hanging bracket main body 11 into a substantially cylindrical shape in accordance with the outer diameter of the overhead support line 2, and its side is opened so that the overhead support line 2 can be fitted therein. I have. A window 17 through which the lower end of the tightening plate 15 passes is formed in the hanging metal body 11 below the recess 14 as shown in FIG.

The fastening plate 15 is a plate-like member made of a stainless steel plate or the like, like the hanging bracket main body 11, and its lower end 15A is bent into a key shape so that the above-mentioned window 17 is formed.
It can be inserted through. The fastening plate 15 is rotatable about the portion inserted into the window 17 in the direction indicated by the arrow A in FIGS. 2 and 3 and the direction substantially perpendicular to the drawing of FIG. The opening of the concave portion 14 is closed in close contact with the lowering bracket main body 11. The upper end 15B of the fastening plate 15 is folded back in a hook shape so that it can be engaged with the upper end of the hanging bracket main body 11. Further, a notch 15C is formed at an upper portion of the tightening plate 15 so as to extend from substantially the center in the width direction of the tightening plate 15, as shown in FIG.

The hook-side fastening means 16 is provided between the upper end of the hanging metal body 11 and the recess 14 of the hook 13, and in this embodiment, a pair of hexagon bolts 18 and hexagon nuts 19 are used. It is configured. Here, a hole having a diameter larger than the inner diameter of the female screw portion 19A of the hexagon nut 19 is formed in a portion of the hanging bracket main body 11 where the engaging portion side fastening means 16 is provided. The female screw portion 19A is fixed to the hanging bracket main body 11 by welding so that the opening of the female screw portion 19A faces this hole. This hex nut 1
9 has a hexagonal head 18B at one end of the screw shaft 18A and a shaft portion 18C having a smaller diameter than the screw shaft 18A at the other end.
And the main body 1 for hanging the head 18B.
Hex nut 19 is located on one side (left side in FIG. 2).
Is screwed on. And the shaft portion 18 of the hexagon bolt 18
At the tip of C, a disk-shaped enlarged portion 18D having an outer diameter larger than the inner diameter of the female screw portion 19A of the hexagon nut 19 is provided. The enlarged diameter portion 18D is integrated with the hexagon bolt 18 by screwing the hexagon bolt 18 to the hexagon nut 19 and then fixing it by welding or the like.

On the other hand, the holding part 12 for holding the capsule closure 1 is formed by winding the lower part of the hanging metal body 11 in an annular shape in accordance with the outer diameter of the capsule closure 1. The front end of the ring is shown by an arrow B in FIG. 1 with respect to the hanging metal body 11 on the rear end side in the circumferential direction of the ring.
The opening end portion 20 is opened so as to be detachable in the direction shown by the arrow. Then, the opening end portion 20 and the hanging bracket main body 1
1, the opening end 20 is suspended from the metal fitting body 11.
Is provided with a holding part side fastening means 21 for fastening the holding part. The holding part-side fastening means 21 has substantially the same mechanism as that of the above-described engaging part-side fastening means 16, that is, is composed of a set of hexagon bolts 22 and hexagon nuts 23. The bolt 22 includes a screw shaft screwed into the female screw portion of the hexagon nut 23, a hexagonal head 22A provided at one end of the screw shaft, and an enlarged diameter portion 22B provided at the other end of the screw shaft at the other end of the screw shaft. It is composed of

The hex nut 23 is fixed to the hanging bracket main body 11 by welding or the like with the opening of the female screw portion facing the opening end 20 of the holding portion 12, while being fixed to the opening end 20. Has a hole. The hexagon nut 22 is inserted into the hole from the opening end 20 side (the left side in FIG. 1) and screwed into the female screw portion of the hexagon nut 23. After the hexagon bolt 22 is screwed onto the hexagon nut 23 in this way, the enlarged diameter portion 22B
2 is fixed by welding or the like to the tip of a shaft protruding from the side opposite to the opening end 20 (right side in FIG. 1), and is integrated with the hexagon bolt 22. The hole formed in the opening end 20 is formed so as to extend from substantially the center in the width direction of the opening end 20, similarly to the notch 15C of the fastening plate 15 of the engaging portion side fastening means 13. May be.

In order to suspend the capsule closure 1 on the overhead support wire 2 as shown in FIG. 4 by means of the suspension fitting having such a construction, the hexagonal bolt 22 of the holding portion side fastening means 12 is loosened to open the capsule closure. End body 20 for hanging the end 20
After slightly expanding the diameter of the annular holding portion 12 by separating from it, the capsule closure 1 covering the connection portion between the cables (not shown) is inserted into the holding portion 12, and then the hexagon bolt 22 is tightened. The holding portion 12 is reduced in diameter by bringing the opening end portion 20 into close contact with the hanging metal body 11, and the capsule closure 1 is fastened and held. Next, from a state in which the hexagon bolt 18 of the hooking portion side fastening means 13 is loosened to separate the fastening plate 15 from the recess 14 (the state shown in FIG. 3), the overhead support wire 2 is fitted into the recess 14 and further tightened. With the lower end 15A of the plate 15 hung on the window 17, the notch 15C
Through the screw shaft 18A of the hexagonal bolt 18 and hook the hook-shaped upper end portion 15B on the upper end of the hanging bracket body 11 to close the opening of the concave portion 14. Thereafter, the hexagonal bolt 18 of the hooking part side fastening means 13 is tightened to fasten the fastening plate 15 to the hanging metal body 11, so that the hanging metal body 11 is hung by the overhead support wire 2, and the capsule closure is closed. 1 is fictitious.

In the hanging bracket having the above-described structure, the fastening means 16 and 21 on the side of the hook 13 and the side of the holder 12 are provided.
In this case, hexagon nuts 19 and 23 having female screw portions are fixed to the hanging metal body 11, and hexagon bolts 18 and 22 screwed to the female screw portions are expanded at both ends with head portions 18B and 22A. Diameter portions 18D and 22B are provided. Therefore, the hexagon nuts 19, 23 do not fall off the hanging bracket main body 11, and the hexagon bolts 18, 22 do not fall out of the hexagon nuts 19, 23. Therefore, according to the hanging bracket having the above-described configuration, it is possible to prevent a situation in which these parts are dropped without paying any attention during the aerial work of the capsule closure 1, and the mental state of the worker can be prevented. It is possible to sufficiently secure the safety below the work site while reducing the burden.

[0015] In the above-mentioned conventional hanging bracket,
Since the bolts must be tightened after fixing the nut with a spanner or the like, both hands are closed at the time of work, and there is a drawback that workability is poor.On the other hand, the hanging bracket of this embodiment has a drawback. The hexagonal nuts 19 and 23 are provided in the stop part side fastening means 16 and the holding part side fastening means 21.
Is fixed to the hanging metal body 11 by welding or the like, so that the fastening plate 15 and the opening end 20 are connected to the hanging metal body 1.
The work of fastening to 1 only needs to tighten the hexagon bolts 18 and 22. That is, these hexagon bolts 18 and 22
Can be performed with one hand, so that workability can be improved.

Further, in this embodiment, these hexagon bolts 1
The enlarged diameter portions 18D and 22B provided at the other ends of the hexagonal bolts 8 and 22 are formed in a disk shape having a diameter larger than the screw shaft of the hexagonal bolts 18 and 22. The hexagonal bolts 18 and 22 are screwed or loosened to some extent. Work is performed on the enlarged diameter portions 18D and 2D.
Since the rotation can be performed by rotating the 2B together with the hexagon bolts 18 and 22, the workability can be further improved. In this embodiment, the hexagon nuts 19 and 23 are used.
Is fixed by welding or the like,
A metal screw body to which a female screw portion to which the screws 8 and 22 are screwed is suspended.
However, for example, when the thickness of the hanging bracket main body 11 is sufficiently large, an internal thread portion may be directly screwed into the hanging bracket main body 11.

[0017]

As described above, according to the present invention, in the aerial work of the capsule closure in which the work at a high place is unavoidable, it is used to fasten the hanging bracket main body and suspend it on the aerial support line. It is possible to prevent a situation in which parts such as bolts and nuts fall, without any care of the operator. Thus, while reducing the mental burden on the worker, it is possible to perform the safe work while avoiding the danger of falling below the work location.

[Brief description of the drawings]

FIG. 1 is an overall view showing a hanging bracket main body 11 according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a hook 13 of the embodiment shown in FIG.

FIG. 3 is a perspective view of a hook 13 of the embodiment shown in FIG.

FIG. 4 is a diagram showing a case where the capsule closure 1 is hung on an overhead support line 2 using the embodiment shown in FIG.

FIG. 5 is a perspective view showing a case where the capsule closure 1 is suspended by a conventional suspension fitting.

FIG. 6 is a perspective view showing a conventional hanging bracket.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Capsule closure 2 Aerial support line 11 Hanging bracket main body 12 Holding part 13 Hook part 14 Depression 15 Tightening plate 16 Hook part side fastening means 18, 22 Hex bolt 18A Screw shaft 18B, 22A Head 18D, 22B Enlarged diameter Parts 19, 23 Hex nut 19A Female screw part 20 Open end 21 Holding part side fastening means

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H02G 7/00-7/22

Claims (2)

(57) [Claims] 1. A hanging portion for holding a capsule closure is provided at a lower end of a hanging bracket main body, and a hooking portion for hanging the hanging bracket main body to an imaginary support line is provided at an upper end. The hanging portion includes a recess in which the overhead support line can be fitted, a fastening plate for closing an opening of the recess, and a fastening portion side fastening means for fastening the fastening plate to the hanging bracket main body. The hook-side fastening means includes a female screw portion provided on the hanging bracket main body, and a screw shaft screwed to the female screw portion and detachably attached to the fastening plate. A head portion is provided at one end of the screw shaft, and an enlarged diameter portion having an outer diameter larger than the inner diameter of the female screw portion is provided at the other end. A virtual hanging bracket. 2. A holding part side fastening for fastening the opening end to the hanging metal body, wherein the holding part has an annular shape with an open end which can be separated from and attached to the hanging metal body. The holding part side fastening means includes a holding part side female screw part provided at one of the hanging metal body and the opening end part, and is screwed to the holding part side female screw part and the hanging part A holding part side screw shaft inserted into the other of the metal fitting body and the opening end, and a head part is provided at one end of the holding part side screw shaft, and the holding part side female shaft is provided at the other end. The overhead hanging bracket for a capsule closure according to claim 1, wherein an enlarged diameter portion having an outer diameter larger than an inner diameter of the screw portion is provided.