JP2565231Y2 - Adjustment bracket for insulator mounting plate for train line - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an improvement of an adjusting bracket for an insulator mounting plate for a train line, and more particularly, to a new transportation system which supports a train line for supplying electricity by contacting a current collector of a vehicle. The present invention relates to an improvement of an adjustment fitting suitable for fixing an insulator mounting plate to be adjustable in position.

[0002]

2. Description of the Related Art Conventionally, the applicant of the present application has proposed an insulator mounting plate adjusting bracket according to Japanese Utility Model Publication No. 60-39289 as an adjusting bracket for such an insulator mounting plate. This adjustment bracket A
As shown in FIG. 5, the adjustment bolt 101 and the nut 1
02, 103, 104, 105, and 106,
7 to efficiently fix the insulator mounting plate and adjust its position. This adjustment bolt 101
Penetrates the backing plate 107 and is fixed thereto by welding. Then, the adjustment bolt 101 is inserted into an insertion hole formed in the support surface 112 of the support column 111 fixed to a structure (not shown), and the support surface 112 and the backing plate 107 are inserted.
In the state where the abutment is in contact, the nuts 102 and 103 are tightened to fix the backing plate 107 and the adjustment bolt 101 to the support column 111. Next, the nut 104 is screwed into the adjustment bolt from the right end in the figure and advanced to a predetermined position, and the insulator mounting plate 110 is passed through. The insulator mounting plate 110 has an insertion hole formed therein, and the adjustment bolt 101 is passed through the insertion hole. Finally, nut 10
5 and 106, and the insulator mounting plate 110 is fixed by nuts 104, 105 and 106. In addition, 1 in the figure
Reference numeral 14 denotes a guide rail.

[0003] A rigid electric wire 113 is attached to the insulator mounting plate 110 via an insulator.
Must be determined in relation to the rail. Therefore, the front and rear positions of the insulator mounting plate 110 are adjusted by adjusting the screwing positions of the nuts 104, 105, and 106.
1, the front and rear positions of the adjustment bolts 101 do not move even if the front and rear positions of the insulator mounting plate 110 change. As a result, when the insulator mounting plate 110 is further moved rearward (leftward in FIG. 5) from the state shown in the figure, the separation distance between the tip of the adjustment bolt 101 and the rigid train line 113 becomes shorter. However, since a predetermined insulation separation distance must be maintained between the tip of the adjustment bolt 101 and the rigid train line 113, the insulator mounting plate 110 is inadvertently moved rearward (to the left in FIG. 5). And the problem of insufficient insulation separation distance occurs.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention is to provide an adjustment bracket which can efficiently fix and adjust the position of an insulator mounting plate for a train line and does not cause a problem of insufficient insulation separation distance. It is easy.

[0005]

SUMMARY OF THE INVENTION According to the present invention, there is provided an insulator mounting plate 203 for supporting a train line 201 for supplying a current by contacting a current collector of a vehicle to a support 204 so as to be position-adjustable. The above object is attained by providing an adjustment fitting for an insulator mounting plate for a train line, characterized by the following configuration. The adjusting bracket according to the present invention includes an adjusting bolt 1, a first male screw portion 11 formed on a base end side of the adjusting bolt and screwed to a support, and a second male screw portion formed on a distal end side of the adjusting bolt. 12, a holding portion 4 provided between the two male screw portions, a holding nut 3 screwed to the second male screw portion, and an adjusting bolt formed at the tip of the adjusting bolt and engaging with a rotary tool to engage with the rotating tool. And a rotating tool engaging portion 13 that rotates. The insulator mounting plate 203 is clamped between the clamping portion 4 and the clamping nut 3, and the rotary tool engaging portion 1 is clamped.
The screwing position between the first male screw portion 11 and the support body 204 is made variable by engaging and rotating the rotary tool 3 with the rotary tool.

[0006]

In the adjustment fitting according to the present invention, the first male screw portion 11 is screwed and fixed to the female screw provided on the support 204. On the other hand, the insulator mounting plate 203 is held between the holding portion 4 and the holding nut 3. And this insulator mounting plate 203
In order to adjust the front-back position of the rigid electric wire 201 attached via the nut, the holding nut 3 is loosened, the rotating tool is engaged with the rotating tool engaging portion 13, and the adjustment bolt 1 is rotated. As a result, the first male screw portion 11 is fed by the female screw provided on the support 204, the adjustment bolt 1 moves in the front-back direction, and the entire insulator mounting plate 203 and the rigid electric wire 201 move back and forth, The position can be adjusted. As described above, in this adjusting bracket, the front-rear position adjustment of the rigid electric wire can be performed in millimeter units only by loosening the holding nut 3 and rotating the adjusting bolt 1. In addition, since the insulator mounting plate 203 remains fixed at the position of the holding plate 4 of the adjustment bolt 1, the positional relationship between the tip of the adjustment bolt 1 and the rigid electric wire 201 does not change, and the insulation separation distance is always constant. Is maintained, and there is no possibility that the problem of insufficient insulation separation distance occurs.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a use state of the adjustment fitting according to the first embodiment of the present invention, FIG. 2 is a plan view thereof, FIG. 3 is a front view thereof, and FIG. 4 is an enlarged side view of the adjustment fitting. .

First, a description will be given of the configuration around the adjustment fitting of this embodiment. The adjustment fitting of this embodiment is an insulator mounting plate 203 on which an insulator 202 for supporting a rigid train line 201 of a new transportation system is mounted. Is fixed to the support column 204 so as to be position-adjustable.
It is fixed to a concrete side wall 206 by a nut 205. A guide rail 207 for guiding the vehicle is attached to a lower end of the support column 204.

As shown in FIG. 4, the adjusting bracket includes an adjusting bolt 1, a holding nut 2, a holding nut 3 for holding the insulator mounting plate 203, and an insulator mounting plate together with the holding nut 3. A holding plate 4 for holding the 203 and a washer 5 of the holding nut 3 are provided. A first male screw portion 11 is formed on the base end side (left side in FIG. 4) of the adjustment bolt 1, and a second male screw portion 1 is formed on the distal end side (right side in FIG. 4).
2 are formed. A hexagonal hole as a rotary tool engaging portion 13 is formed on the tip end surface of the adjusting bolt 1. The holding plate 4 is provided between the first male screw part 11 and the second male screw part 12.

In this embodiment, the diameters of the two male screw portions 11 and 12 are made different from each other, and the holding plate 4 is passed through the distal end of the second male screw portion 12 having a small diameter to form a step between the two male screw portions 11 and 12. 14 is disposed in a contact state. The holding plate 4 may be fixed to the adjustment bolt 1 by welding or the like, but if the step portion 14 is provided, it is not necessary to fix the holding plate 4 by welding or the like.

Next, a method of using the adjustment fitting will be described. First, the support column 204 that supports the adjustment fitting will be described. The support column 204 is provided with a female screw that is screwed with the first male screw portion 11 of the adjustment bolt 1. In this embodiment, a female screw plate 2 having female threads is formed.
00 is fixed to the support column 204 by caulking and a female screw is provided, but a female screw may be formed directly on the support column 204. In this embodiment, since four adjustment bolts 1 are used, two female screw plates 200 having two female screws to be screwed with the upper and lower two adjustment bolts 1 are arranged on the left and right in FIG. I have.

Next, each adjusting bolt 1 is connected to the female screw plate 200.
Into the female screw. This screw engagement is performed by the rotating tool engagement portion 13.
May be performed by engaging a rotary tool with the rotary tool.

Then, each of the adjusting bolts 1 is passed through the four insertion holes provided in the insulator mounting plate 203 from the tip, and the holding plate 4 and the insulator mounting plate 203 are brought into contact with each other. And washer 5
And the clamping nut 3 is tightened to clamp and fix the insulator mounting plate 203 between the clamping plate 4 and the washer 5 and the clamping nut 3. It is desirable to use a nut having a loosening prevention function, such as a hard lock nut, for the holding nut 3.

Here, in order to adjust the front and rear positions of the rigid electric wire 201 attached via the insulator attachment plate 203, the clamping nut 3 is loosened and the rotating tool is engaged with the rotating tool engaging portion 13. Then, the adjustment bolt 1 is rotated. Thereby, the first male screw portion 11 is fed by the female screw of the female screw plate 200, the adjustment bolt 1 moves in the front-rear direction, and the entire insulator mounting plate 203 and the rigid electric wire 201 move back and forth, and the position thereof is changed. Adjustment is possible. After the adjustment, the holding nut 2 is tightened to complete the fixing. Even if the holding nut 2 is not tightened, the adjusted position does not shift unless the adjustment bolt 1 rotates by itself.

As described above, in this adjustment bracket, the front-rear position adjustment of the rigid electric wire can be performed in units of millimeters only by loosening the holding nut 3 and rotating the adjustment bolt 1. In addition, since accurate positioning can be performed from the beginning using the position of the holding plate 4 as a guide, an efficient positioning of the rigid train line can be performed with only a slight fine adjustment. . Moreover, the holding plate 4 for the adjustment bolt
In this position, the insulator mounting plate 203 remains fixed, so that the positional relationship between the tip of the adjustment bolt 1 and the rigid electric wire 201 does not change, and a constant insulation separation distance is always maintained, resulting in a problem of insufficient insulation separation. There is no risk of occurrence.

The present invention can be carried out with appropriate modifications. For example, the rotary tool engaging portion 13 provided at the tip of the adjusting bolt 1 has a hexagonal hole and an end of the adjusting bolt having a hexagonal column shape. Alternatively, such processing is not necessary if a rotatable tool such as pliers is used.

Further, the second male screw portion 1 is provided on the holding plate 4.
It suffices to form a stupid hole through which 2 can pass, but a female screw may be formed. Furthermore, without using the holding plate 4,
The insulator mounting plate 203 may be pinched and fixed only by the step portion 14. Furthermore, the diameters of the two male screw portions 11 and 12 may be the same, and the holding plate 4 may be fixed by welding. In this manner, the holding portion has a surface that comes into contact with the insulator mounting plate 203, and can be implemented by appropriately changing the holding member without being limited to the holding plate 4 as long as it cannot move toward the base end side (the left side in FIG. 4). Things.

[0018]

As described above, according to the present invention, it is possible to provide an adjustment bracket which can efficiently fix and position the insulator mounting plate for a train line and does not cause a problem of insufficient insulation separation. .

[Brief description of the drawings]

FIG. 1 is a side view showing a use state of an adjustment fitting according to an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is an enlarged side view of the adjustment fitting.

FIG. 5 is a side view showing a usage state of a conventional adjustment fitting.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Adjustment bolt, 3 ... Nut for clamping, 4 ... Clamping plate, 11
... First male screw portion, 12... Second male screw portion, 13... Rotary tool engaging portion, 201... Rigid train wire, 202.
Insulator mounting plate, 204 ... Support column.

Claims (1)

(57) [Scope of request for utility model registration] An electric wire for fixing an insulator mounting plate (203) supporting an electric wire (201) for contacting a current collector of a vehicle to supply electricity to a support (204) so as to be position-adjustable. In the adjusting bracket for the insulator mounting plate, the adjusting bracket includes an adjusting bolt (1) and a first male screw portion (11) formed on a base end side of the adjusting bolt and screwed to a support.
And a second male screw portion formed on the tip side of the adjustment bolt.
(12), a holding portion (4) provided between both male screw portions, a holding nut (3) screwed to the second male screw portion, and a rotating tool formed at the tip of the adjusting bolt. A rotary tool engaging portion (13) that rotates the adjustment bolt in combination with the insulator mounting plate (20) is provided between the holding portion (4) and the holding nut (3).
3), while rotating the rotary tool engagement portion (13) with the rotary tool while rotating the first male screw portion (11) and the support (204) to change the screwing position. A metal fitting for adjusting an insulator mounting plate for a train line.