JPH08331719A - Mounting structure of insulator or the like - Google Patents

Abstract

PURPOSE: To facilitate the installation of an insulator or the like by forming a mounting structure from a fastening seat having a U-shaped cross section secured on a support and a mounting seat for securing the insulator or the like, placing a bolt across the opposed side panels of the fastening seat, securing both the ends of the fastening seat with the bolt and a nut at truncated cone-shaped portions formed in the side panels, and thereby securing the fastening seat. CONSTITUTION: A fastening seat 2 having a U-shaped horizontal cross section with its side edges fixed, is installed on the vertical portion 1 of an arm secured on a pole or the like. The upper edges of the opposed side panels 2a and front panel 2b of the fastening seat 2 are inclined inward. Bolt holes 3, 4 are drilled in the side panels 2a, and the cross section of one 3 of the bolt holes is shaped into a rectangle. A bolt 5 is inserted into the bolt holes 3, 4 across the opposed side panels 2a. The bolt hole 3 has a rectangle cross section over a particular width. A truncated cone- shaped portion 6a, 7a is formed in areas where the bolt 5 protrudes outward from the side panels 2a, and the bolt 5 is secured with its head 6 and a nut 7. This simplifies installation and removal work, and makes it possible to simply perform work on a pole above ground with reliability.

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 a armrest and a cap fixed to the outside of the fixed seat.
The present invention relates to a structure for attaching an insulator or the like, which comprises a fixture for fixing the insulator or the like.

[0002]

2. Description of the Related Art Conventionally, when attaching an insulator to a vertical portion of a D-shaped armband, particularly when mounting the insulator at an angle with respect to the armrest, a mounting seat is fixed to the vertical portion to attach the insulator to the mounting seat. It is installed at an angle. However, the work of inclining and fixing the insulator to the mounting seat in this way is often on a column, which 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 is provided in advance, and the mounting seat is fixed to a armband or the like.

[0003]

However, although it is easier to attach these mounting seats to the armrest or the like than to mount them in an inclined state as described above, it is still necessary to pass a bolt or screw a nut onto the bolt. Takes time and effort
The work is still complicated. Especially when working with robots such as manipulators.

In view of the above, the present invention provides an attachment structure such as an insulator which can be fixed very easily by a simple operation by fixing the insulator to the attachment seat and fixing the attachment seat to a fixed seat previously fixed to a support such as a armrest. It is intended to solve the above problems.

[0005]

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

Further, the mounting seat has a U-shaped cross section, and the side plates facing each other are in a shape capable of abutting against the outer surfaces of the side plates facing each other of the fixed seat, from the corresponding lower side portions of the side plates facing each other. A notch hole into which the bolt of the fixed 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 seats are inserted into the cut holes of the side plates of the mounting seats, the mounting seats are capped on the fixed seats, and the bolts are capped so as to fit into the upper ends of the cut holes. Therefore, the nut of the fixed seat is tightened, and the bolt head or the truncated cone-shaped portion of the nut is fitted in each tapered recess.

In some cases, at least one of the side plates of the fixed seat according to the first aspect of the present invention has a bolt hole and the cross section of the bolt passing through the bolt hole is rectangular.

[0008]

In the present invention, when the nut is tightened and the bolt head of the fixed seat or the truncated cone shape of the nut is fitted in each tapered recess of the mounting seat, each tapered recess is pulled even if the mounting seat is pulled upward. Does not climb because it is caught in the truncated cone shape of the bolt head and nut. When the mounting seat is to be removed from the fixed seat, the nut can be loosened to release the bolt head body and the truncated cone-shaped portions of the nut from the tapered recesses, and the mounting seat can be pulled up. An instrument such as an insulator is previously attached to the mounting seat. Also, if at least one of the side plates of the fixed seat and the bolt that passes through this bolt hole has a square cross section, it is necessary to hold down the bolt when the mounting seat is capped on the fixed seat and the nut is tightened. There is no need to turn only the nut.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 to 3, the side edges are 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 has the upper end edges of the side plate 2a and the front plate 2b facing each other inclined inward. Further, bolt holes 3 and 4 are formed in the side plates 2a, and one of the bolt holes 3 has a square cross section.

Further, bolts 5 having both ends penetrating the bolt holes 3 and 4 are passed between the side plates 2a facing each other.
The portion of the bolt 5 that penetrates the bolt hole 3 has a square cross section over a certain width. Therefore, this bolt 5
Is configured so that it can slide with respect to these bolt holes 3 and 4, but cannot rotate. Further, a bolt head 6 is provided at the end of the bolt 5 protruding outward of one side plate 2a, and a truncated cone-shaped portion 6a is provided on the surface of the bolt head 6 facing the one side plate 2a. There is. Further, a nut 7 is screwed onto the end of the other side plate 2a of the bolt 5 protruding outward, and a truncated cone-shaped portion 7a is provided on the surface of the nut 7 facing the other side plate 2a. There is. Further, a pin 8 for preventing the nut from coming off is provided at the outer end of the nut 7.

Further, as shown in FIGS. 4 to 6, the mounting seat 9 to be capped and fixed to the fixed seat 2 has the opposite side plate 9a having a polymerizable width on the outer side of the opposite side plate 2a of the fixed seat 2. The two parallel locking plates 10 are provided integrally with the end portions of the side plates 9a. Bolt holes 11 are provided in these locking plates 10 at positions corresponding to each other. A bending guide plate 12 is provided on the upper end of the inner locking plate 10 so as to integrally project with the locking plate 10.

Further, the side plates 9a of the mounting seat 9 which face each other.
Notch holes 13 are provided upward from positions corresponding to each other on the lower side, and each of these notch holes 13 has a width into which the bolt 5 of the fixed seat 2 can be fitted. Further, a mortar-shaped tapered recess 14 is formed on the outer peripheral edge of the outer surface of each of the cut holes 13 so as to become gradually deeper toward the center of the cut hole 13. Further, bending pieces 15 are provided inwardly at positions corresponding to each other of the side plates 9a between the tapered recesses 14 and the locking plate 10. Each of these bent pieces 15 is a guide for crowning the mounting seat 9 to the fixed seat 2.

The pin 1 of the insulator 16 is previously provided in each bolt hole 11 of the two slanted locking plates 10 of the mounting seat 9.
A nut 18 is screwed onto the end portion 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 capped on the fixed seat 2 by inserting it into each of the cut holes 13. Then, the bolt 5 is crowned until it 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.
The side plates 9a of are superposed. 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 cone-shaped portions 6a, 7a of the nut 7 into each tapered recess 14. Further, 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, the nut 7 is tightened as shown in FIG. 9, and the bolt head 6 of the fixed seat 2 or the truncated cone shape portion 6 of the nut 7 is fitted in each tapered recess 14 of the mounting seat 9.
When the mounting seat 9 is pulled upward, the mortar-shaped tapered recesses 14 are caught on the truncated cone-shaped portions 6a, 7a of the bolt head 6 and the nut 7 and do not move up when the a and 7a are fitted. Therefore, the insulator 16 is firmly fixed to the vertical portion 1 of the D-shaped arm which is a support.

When the mounting seat 9 is removed from the fixed seat 2, the nut 7 is loosened so that the bolt head 6 and the truncated cone-shaped portions 6a, 7a of the nut 7 are removed from the tapered recesses 14 and are easily mounted. The seat 9 can be raised.
Further, in the above-described embodiment, the side plates 2a, 2 facing the fixed seat 2 face each other.
Since the upper edges of a and the front plate 2b are inclined inwardly, when the mounting seat 9 is crowned from above on the fixed seat 2, these upper edges become a guide and are easily crowned.

In the above embodiment, at least one of the side plates of the fixed seat and the outer peripheral portion of the bolt passing through the bolt hole has a square cross section, but the present invention is limited to these. Not a thing. Further, 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 attached to the attachment seat has been shown, but other equipment may be attached to the attachment seat.

[0017]

According to the present invention having the above-mentioned construction, a fixing seat provided with a device such as an insulator in advance is capped with a fixing seat provided on an appropriate supporting body, and a bolt and nut are tightened to firmly fix the fixing seat. Also, when detaching, the mounting seat can be easily removed from the fixed seat by loosening the nut. Therefore, the mounting seat can be fixed or removed by a very simple work such as crowning or pulling upward from the fixed seat and rotation of the nut, and work on the column becomes simple and reliable. Therefore, it is optimal for work by robots such as manipulators.

If at least one of the side plates of the fixed seat has a square cross section of the bolt hole and the bolt portion passing through the bolt hole, the fixed seat is capped with the mounting seat to tighten or loosen the nut. If you do not need to press the bolt, just turn the nut, which simplifies the work.

[Brief description of 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 the 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 the 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 the mounting seat according to the embodiment of the present invention.

FIG. 7 is a plan view showing a state in which the mounting seat is capped on the fixed seat according to the embodiment of the present invention.

FIG. 8 is a plan view showing a state in which the mounting seat is capped on the fixed seat and the nut is tightened according to the embodiment of the present invention.

FIG. 9 is a vertical cross-sectional view of the fixed seat of the embodiment of the present invention with the mounting seat capped and the nut tightened.

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

[Explanation of symbols]

1 Vertical part of D-shaped arm 2 Fixed seat 2a Side plate 5 Bolt 6 Bolt head 6a Frustum-shaped part 7 Nut 7a Frustum-shaped part 9 Mounting seat 13 Cut hole 14 Tapered recess 16 Insulator

Claims (2)

[Claims] 1. A fixed seat having a U-shaped cross section fixed to a suitable support such as a armrest, and a mounting seat fixed to an outside of the fixed seat, such as an insulator, which is fixed to the fixed seat. Is a bolt penetrating between the side plates facing each other, and the bolt head provided on the outwardly projecting bolt end of one side plate is provided with a truncated cone-shaped portion on the surface facing the side plate, and the other side plate A truncated cone-shaped portion is provided on the surface of the nut screwed to the outwardly protruding bolt that faces the side plate, and the mounting seat has a U-shaped cross section and the facing side plates are the side plates that face each other of the fixed seat. Of the side seats facing each other, the notch holes into which the bolts of the fixing seat can be inserted are provided upward, and the notch is formed at the outer peripheral edge of the upper edge of each notch hole. Tapered recess that deepens toward the center of the hole Insert the bolts of the fixed seat into the cut holes of each side plate of the mounting seat to cover the mounting seat on the fixed seat, tighten the nuts of the fixed seat, and tighten the nuts of the fixed seat into the tapered recesses of the bolt heads or the truncated cones of the nuts. An attachment structure for an insulator or the like, characterized in that the shape portion is fitted therein. 2. A fixed seat having a U-shaped cross section fixed to a suitable support such as a armrest, and a mounting seat fixed to the outside of the fixed seat, such as an insulator, and the fixed seat. Is a bolt that penetrates between the opposite side plates, and at least one bolt hole and the portion of the bolt that penetrates this bolt hole have a square cross section, and the bolt head provided at the bolt end protruding outward of one side plate. The body is provided with a truncated cone-shaped portion on the surface facing the side plate, and a truncated cone-shaped portion is provided on the surface of the nut screwed to the outwardly protruding bolt of the other side plate facing the side plate. The cross-section is U-shaped and the opposing side plates are in a shape capable of abutting against the outer surfaces of the opposing side plates of the fixed seat, and the bolts of the fixed seat can be inserted from the corresponding lower side portions of these opposing side plates. The cut hole is provided upwards, A taper recess is formed on the outer peripheral edge of the upper edge of each cut hole so as to become deeper toward the center of the cut hole, and the mounting seat is capped on the fixed seat so that the bolt of the fixed seat can be inserted into the cut hole of each side plate of the mounting seat. An attachment structure for an insulator or the like, characterized in that the nut of the fixed seat is tightened and the bolt head or the truncated cone-shaped portion of the nut is fitted into each tapered recess.