JPS64337Y2 - - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a contact line support device.

In medium-duty overhead contact lines, rigid contact wires are supported on the side walls of the track (so-called parapets).
The vehicle is run with a current collector shoe attached to the side of the vehicle in contact with the contact wire.

By the way, in order to ensure proper contact between the contact wire and the vehicle's current collector shoe, the contact wire must be installed at a predetermined position. It is essential to adjust the position of the contact wire according to the inclination error as well as the height error of the running path.

The overhead contact line support device according to the present invention has a structure that allows the position of the overhead contact line to be easily adjusted in the case of the above-mentioned medium-duty track.Upright supports are attached to metal fittings fixed to the side walls beside the track, and the upright supports are mutually connected to each other. One end of each of the upper and lower link pieces having a length equal to A setting piece is pivotally mounted between the structure and the upright supporter, and the shaft support hole of the setting piece in the upright supporter is a vertically elongated hole whose axial position can be adjusted.
The supporter is characterized in that the shaft support hole of one of the above-mentioned upper and lower link pieces is a horizontally elongated hole whose shaft position can be adjusted.

The present invention will be explained below with reference to the drawings.

FIG. 1A shows a side view of the device of the present invention, and FIG. 1B shows a front view of the same device.

In FIGS. 1A and 1B, 1 is a side wall beside the track, and 2 is a hardware fixed to the side wall 1 with bolts 21. 3 is hardware 2 with bolt 301,...
It is a frame-shaped upright supporter that is attached by an upright supporter and has a frame shape consisting of both side pieces 31, 31 and an upper piece 32, and the hole for the bolt 301 (the hole on the upright supporter side or the hole on the hardware side) is located in the H direction. The hole is long so that it can be adjusted.

4a and 4b are an upper link piece and a lower link piece having the same length, and one ends of these link pieces 4a and 4b are rotatably connected to the upright supporter 3 by shafts 41a and 41b, respectively. There is. A shaft hole 410a for one of these shafts, for example, the shaft 41a, is a horizontally elongated hole. 5H is a link piece for supporting the upper contact line, and 5L is a link piece for supporting the lower contact line, and these link pieces are connected to the above-mentioned upper link piece 4a by a shaft 6a.
The lower link pieces 4b are rotatably connected to each other by shafts 6b. In this case, the upper link piece 4a and the lower link piece 4b are parallel to each other, and in FIG.
The link structure designated b-41b is a parallelogram.

Reference numerals 7 and 7 designate setting pieces pivotally connected between the link structure and the upright supporter 3. These setting pieces 7, 7 and the link structure are pivotally connected at the shaft 6a, but they can also be pivotally connected at an appropriate location such as the shaft 6b. The setting pieces 7, 7 and the upright supporter 3 are pivotally connected by a shaft 8.
The shaft hole 801 for this is a vertically elongated hole.

420a and 420a are nuts for the shaft 41a, and 802 and 802 are nuts for the shaft 8.

9H and 9L are contact wires, and link pieces 5 for supporting contact wires are respectively connected via a trestle 91 and an insulator 92.
It is fixedly supported by H and 5L.

In order to support the overhead contact line by the device of the present invention, the installation positions of the metal fittings 2 and the device of the present invention relative to the predetermined position of the overhead contact line should be adjusted so that the link structure of the device of the present invention is tilted as shown by A in Fig. 2A. Calculations are made with the angle θ being zero as a standard, and based on these calculated positions, the hardware 2 is fixed to the side wall 1, the device of the present invention is attached to the hardware 2, and the overhead contact line is supported by the device. After that, the vertical position of the overhead contact line is adjusted as shown in FIG. 2A. In this case, the upper and lower link pieces 4a, 4b
If the length of is l and the adjustment angle is θ, then the amount of vertical displacement is
lsinθ, whereas the amount of displacement in the horizontal direction is l(1−cosθ).

The maximum adjustment amount in the above vertical position is usually within 10 mm, and if l = 100 mm, the maximum adjustment angle θ is 6 degrees, and the horizontal displacement amount under such conditions is 0.5 mm.
This is 1/20 of the vertical displacement of 10 mm.

Therefore, in FIG. 1B, if the shaft 41a is set at the center of the horizontally long hole 410a by tightening the nut 420a and the link structure is deformed by vertically moving the shaft 8 in the vertically long hole 801, the contact wire 9H, The position can be adjusted only in the vertical direction without substantially displacing 9L in the horizontal direction.

Following this vertical position adjustment, the shaft 41a
is moved within the horizontally elongated hole 410a, and the position of the overhead contact line is adjusted for the inclination angle error of the side wall 1. In this case, as shown by B in Figure 2B, the link structure only shifts left and right, and the deformation in the vertical direction is virtually zero, so there is no possibility that the above-mentioned vertical position adjustment will be distorted. There are almost no

The overhead contact line support device according to the present invention has the above-described configuration, and can adjust the vertical position and the tilted position of the overhead contact line without substantially changing the position in other directions. There is no need to readjust the horizontal position after adjusting the contact line, or readjust the vertical position after adjusting the tilt position, and the position of the overhead contact line can be easily adjusted.

[Brief explanation of the drawing]

Fig. 1A is a side explanatory view showing the overhead contact line support device according to the present invention, Fig. 1B is a front explanatory view of the same device, and Figs. 2A and 2B are position adjustment of the overhead contact line in the present invention device. It is an explanatory diagram showing the main point. In the figure, 1 is a side wall, 2 is hardware, 3 is an upright supporter, 4a is an upper link piece, 4b is a lower link piece, 5H and 5L are contact line support link pieces,
7, 7 is a setting piece, 41a is a shaft, 410a is a horizontally long hole, and 801 is a vertically long hole.

Claims (1)

[Scope of utility model registration request] An upright supporter is attached to a metal fitting fixed to a side wall beside the track, and one end of each of upper and lower link pieces of equal length is pivotally connected to the upright supporter,
A contact line support link piece is pivotally attached to the other end of these link pieces with these link pieces in a parallel state, and a setting piece is pivoted between the link structure and the upright supporter, and the upright supporter The shaft support hole of the setting piece in the supporter is a vertically long hole whose shaft position can be adjusted, and the shaft support hole of one of the above-mentioned upper and lower link pieces in the supporter is a horizontally long hole whose shaft position can be adjusted. Tram line support equipment.