JP2736618B2 - Mounting structure for insulators - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixed seat fixed to an appropriate support such as an arm, and a crown fixed to the outside of the fixed seat.
The present invention relates to a mounting structure for an insulator or the like, comprising a mounting tool to which an insulator or the like is fixed.

[0002]

2. Description of the Related Art Conventionally, when attaching an insulator to a vertical portion of a D-shaped arm, particularly when attaching the insulator at an angle to the arm, an attachment seat is fixed to the vertical portion and an insulator is attached to the attachment seat. Installed at an angle. However, the work of fixing the inclined insulator to the mounting seat in this manner is often performed on a pillar, and is extremely complicated and troublesome. Therefore, a mounting seat having an inclined outer surface is prepared, a mounting seat to which an insulator is fixed in advance is provided, and the mounting seat is fixed to an arm or the like.

[0003]

However, it is easier to mount these mounting seats on a ferrule or the like than in the case of mounting in an inclined state as described above, but it is also necessary to pass a bolt or screw a nut to this. It takes time and effort
The work is still complicated. In particular, working with robots such as manipulators is even more so.

[0004] Therefore, the present invention provides a mounting structure for an insulator or the like in which an insulator is fixed to a mounting seat, and the mounting seat can be extremely easily fixed to a fixed seat previously fixed to a support such as an arm by a simple operation. To solve the above problems.

[0005]

According to the first aspect of the present invention, there is provided a fixing seat having a U-shaped cross section fixed to an appropriate support such as an arm, and a crown fixed to the outside of the fixing seat. And a mounting seat to which is fixed. The fixing seat has a bolt inserted between the side plates facing each other, and both ends thereof are passed through bolt holes formed in each side plate. A bolt head is provided at a bolt end protruding outward from one of the side plates, and the bolt head has a truncated conical portion on a surface facing the side plate. A nut is screwed onto a bolt end protruding outward of the other side plate, and a frustoconical portion is provided on a surface of the nut facing the side plate.

[0006] The mounting seat has a U-shaped cross section, and the opposing side plates are formed so that the opposing side plates can abut against the outer surfaces of the opposing side plates of the fixed seat. A notch hole into which the bolt of the fixing seat can be inserted is provided facing upward. A tapered concave portion that becomes deeper toward the center of the cut hole is provided on the outer peripheral edge of the upper end edge of each of the cut holes. Then, the bolts of the fixed seat are inserted into the cut holes of the respective side plates of the mounting seat, and the fixed seat is covered with the mounting seat, and the bolts are covered so as to fit into the upper ends of the cut holes. Therefore, the nut of the fixed seat is tightened, and the truncated cone-shaped portion of the bolt head or the nut is fitted into each tapered recess.

The cross section of at least one of the bolt holes in each of the side plates of the fixed seat and the bolt passing through the bolt hole may be square.

[0008]

In the present invention, when the nut is tightened and the bolt head of the fixed seat or the truncated cone of the nut is fitted into each tapered recess of the mounting seat, each tapered recess is obtained even if the mounting seat is pulled upward. Are not caught by the truncated cones of the bolt head and nut. When removing the mounting seat from the fixed seat, if the nut is loosened, the truncated cone-shaped portions of the bolt head and the nut are released from the respective tapered recesses, and the mounting seat can be pulled up. In addition, instruments such as insulators are attached to the mounting seat in advance. In addition, if the cross section of at least one of the bolt holes in each side plate of the fixed seat and the bolt passing through this bolt hole is square, it is necessary to hold down the bolt when covering the fixed seat with the mounting seat and tightening the nut. There is no need to turn only the nut.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. As shown in FIGS. 1 to 3, the side edge is fixed to the vertical portion 1 of the D-shaped arm fixed to a utility pole (not shown).
A fixed seat 2 having a U-shaped horizontal cross section is provided, and the fixed seat 2 inclines the upper edges of the opposing side plates 2a and front plates 2b inward. Further, bolt holes 3 and 4 are formed in these side plates 2a, and one of the bolt holes 3 has a rectangular cross section.

A bolt 5 having both ends penetrated through these bolt holes 3 and 4 is passed between the opposing side plates 2a.
The portion of the bolt 5 passing through the bolt hole 3 has a rectangular cross section over a certain width. Therefore, this bolt 5
Are slidable with respect to these bolt holes 3 and 4, but are not rotatable. Further, a bolt head 6 is provided at an end of the bolt 5 protruding outward from one side plate 2a, and a truncated cone-shaped portion 6a is provided on a surface of the bolt head 6 facing the one side plate 2a. I have. A nut 7 is screwed to the end of the bolt 5 protruding outward from the other side plate 2a. A frusto-conical portion 7a is provided on a surface of the nut 7 facing the other side plate 2a. I have. Further, a pin 8 for preventing the nut from coming off is provided at an outer end of the nut 7.

As shown in FIGS. 4 to 6, a mounting seat 9 to be crowned and fixed to the fixed seat 2 is provided with an opposing side plate 9a having a width which can be overlapped on the outside of the opposing side plate 2a of the fixed seat 2. And two parallel inclined locking plates 10 are integrally provided at the ends of the side plates 9a. These locking plates 10 are provided with bolt holes 11 at positions corresponding to each other. A bent guide plate 12 is provided at the upper end of the inner locking plate 10 so as to protrude integrally therewith.

The opposite side plate 9a of the mounting seat 9
Cut holes 13 are provided upward from positions corresponding to each other on the lower side, and each of these cut holes 13 has such a width that the bolt 5 of the fixed seat 2 can be fitted. Further, a mortar-shaped tapered recessed portion 14 that gradually becomes deeper toward the center of the cutout hole 13 is provided on the outer peripheral edge of the outer surface of each cutout hole 13. Also, bent pieces 15 are provided inwardly at positions corresponding to each other of the side plates 9a between the respective tapered recesses 14 and the locking plate 10. Each of these bent pieces 15 is a guide when the mounting seat 9 is covered with the fixed seat 2.

A pin 1 of an insulator 16 is inserted into each of the bolt holes 11 of the two inclined locking plates 10 of the mounting seat 9 in advance.
A nut 18 is screwed into the end of the pin 17 through 7 and the insulator 16 is fixed to the mounting seat 9 (see FIG. 10). Then, the bolt 5 of the fixed seat 2 is attached to each side plate 9a of the mounting seat 9.
The mounting seat 9 is covered with the fixing seat 2 by inserting the fixing seat 9 into each of the cut holes 13. Then, the cap 5 is covered until the bolt 5 is fitted into the upper end of each cut hole 13. As a result, as shown in FIG. 7, the mounting seat 9 is attached to the outer surface of the side plate 2a facing the fixed seat 2.
Each side plate 9a is polymerized. Therefore, as shown in FIG. 8, the nut 7 of the fixed seat 2 is tightened to fit the bolt head 6 or the truncated conical portions 6a, 7a of the nut 7 into the respective tapered recesses 14. When the nut 7 is tightened, the bolt 5 is prevented from rotating at the three bolt holes.
Only the nut 7 needs to be rotated.

In the case of this embodiment, as shown in FIG. 9, the nut 7 is tightened, and the bolt head 6 of the fixed seat 2 or the truncated cone 6 of the nut 7 is fitted into each tapered recess 14 of the mounting seat 9.
In the state in which a and 7a are fitted, even when the mounting seat 9 is pulled upward, the mortar-shaped tapered recesses 14 are not caught by the truncated cone-shaped portions 6a and 7a of the bolt head 6 and the nut 7, and do not rise. Therefore, the insulator 16 is firmly fixed to the vertical portion 1 of the D-arm as a support.

When the mounting seat 9 is to be removed from the fixed seat 2, if the nut 7 is loosened, the bolt head 6 and the truncated conical portions 6a, 7a of the nut 7 come off from the respective tapered recesses 14, so that they can be easily mounted. The seat 9 can be raised.
In the above embodiment, the opposed side plates 2a, 2a
Since the upper edge of the front plate 2a and the upper edge of the front plate 2b are inclined inward, when the fixing seat 2 is covered with the mounting seat 9 from above, the upper edge becomes a guide and is easily covered.

In the above embodiment, at least one of the bolt holes in each side plate of the fixed seat and the outer peripheral portion of the bolt passing through the bolt hole are square in cross section, but the present invention is limited to these. Not something. In the above embodiment, the upper edges of the side plates and the front plate of the fixed seat are inclined inward, but the inclination of the upper edges is not an essential requirement of the present invention. Further, in the above-described embodiment, an example in which the insulator is mounted on the mounting seat is shown, but other devices may be mounted on the mounting seat.

[0017]

As described above, the present invention has the above-mentioned structure. If a mounting seat on which a device such as an insulator is previously mounted is covered with a fixing seat provided on an appropriate support, and a bolt and nut are tightened, the bolt is firmly fixed. When the nut is loosened, the mounting seat can be easily removed from the fixed seat. Accordingly, the mounting seat can be fixed or removed by a very simple operation such as pulling the crown onto the fixing seat or pulling it upward from the mounting seat and rotating the nut, and the operation on the pillar is simple and reliable. Therefore, it is most suitable for work by a robot such as a manipulator.

If the cross section of at least one of the bolt holes and the bolts passing through the bolt holes is square in each side plate of the fixed seat, the fixing seat is covered with the mounting seat, and the nut is tightened or loosened. In this case, it is not necessary to hold down the bolt, and only the nut needs to be turned, which simplifies the operation.

[Brief description of the drawings]

FIG. 1 is a side view of a fixed seat according to an embodiment of the present invention.

FIG. 2 is a front view of a fixed seat according to the embodiment of the present invention.

FIG. 3 is a plan view of a fixed seat according to the embodiment of the present invention.

FIG. 4 is a front view of a mounting seat according to the embodiment of the present invention.

FIG. 5 is a side view of the mounting seat according to the embodiment of the present invention.

FIG. 6 is a plan view of a mounting seat according to the embodiment of the present invention.

FIG. 7 is a plan view showing a state where the fixing seat is covered with the fixing seat according to the embodiment of the present invention.

FIG. 8 is a plan view showing a state where the fixing seat is covered with the fixing seat according to the embodiment of the present invention and the nut is tightened.

FIG. 9 is a vertical cross-sectional view of the fixed seat according to the embodiment of the present invention in which the mounting seat is covered and a nut is tightened.

FIG. 10 is a front view showing a use state of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Vertical part of D-type arm 2 Fixed seat 2a Side plate 5 Bolt 6 Bolt head 6a Truncated cone shape 7 Nut 7a Truncated cone shaped portion 9 Mounting seat 13 Cut-out hole 14 Tapered recess 16 Insulator

Claims (2)

(57) [Claims] 1. A fixed seat having a U-shaped cross section fixed to an appropriate support such as an arm, and a mounting seat to which an insulator or the like is fixed, which is fixed to the outside of the fixed seat. The bolt is penetrated between the opposing side plates, and the bolt head body provided at the bolt end protruding outward of one side plate has a truncated conical part on the surface facing the side plate, and the other side plate has A frustoconical portion is provided on a surface of the nut screwed to the outwardly projecting bolt, the surface facing the side plate, and the mounting seat has a U-shaped cross section and the side plate facing the fixed seat is an opposite side plate of the fixed seat. The cutout holes into which the bolts of the fixed seats can be inserted are provided upward from the corresponding lower sides of these opposed side plates, and the cutouts are formed on the outer peripheral edge of the upper end edge of each cutout hole. Tapered recess deepens towards the center of the hole The fixed seat bolt is inserted into the cutout hole of each side plate of the mounting seat, the mounting seat is covered with the fixed seat, the nut of the fixed seat is tightened, and each tapered recess has a bolt head or a truncated cone of the nut. A mounting structure for insulators or the like, characterized by being fitted with a shape portion. 2. A fixed seat having a U-shaped cross section fixed to an appropriate support such as an arm, and a mounting seat to which an insulator or the like is fixed to the outside of the fixed seat. A bolt is inserted between the side plates facing each other, and at least one of the bolt holes and a portion of the bolt passing through the bolt hole have a rectangular cross section, and a bolt head provided at a bolt end protruding outward from one of the side plates. The body is provided with a truncated cone-shaped portion on a surface facing the side plate, and a truncated cone-shaped portion is provided on a surface opposed to the side plate of a nut screwed on a bolt protruding outward from the other side plate, and the mounting seat is The cross section is a U-shape, and the side plates facing each other are shaped so that they can abut against the outer surfaces of the side plates facing each other of the fixed seat, and the bolts of the fixed seat can be inserted from the corresponding lower side portions of the side plates facing each other. The cut hole is provided facing upward, At the outer peripheral edge of the upper end edge of each cut hole, a tapered concave portion that becomes deeper toward the center of the cut hole is provided, and the mounting seat is covered with the fixing seat so that the bolt of the fixed seat is inserted into the cut hole of each side plate of the mounting seat. An installation structure for an insulator or the like, wherein a nut of a fixing seat is tightened to fit each of the truncated cone-shaped portions of the bolt head or the nut into each tapered recess.