JP5565968B2 - Trolley wire fitting - Google Patents

Description

  The present invention relates to a trolley wire connecting fitting for connecting the ends of adjacent trolley wires together with each other.

  Conventionally, a trolley wire fitting has been inserted into a plurality of positions in the longitudinal direction of an ear having a pair of opposing ear pieces that sandwich the trolley wire between the ends of adjacent trolley wires that are opposed to each other from both sides in the extending direction. There is one that is clamped and directly gripped (see Patent Document 1).

Japanese Unexamined Patent Publication No. 07-205688

In the above-mentioned conventional trolley wire fittings, the ends of adjacent trolley wires are gripped by a single ear, so depending on the degree of wear of the trolley wire due to the sliding contact of the pantograph, etc. The vertical position of the pantograph sliding surface between the newly installed trolley line and the existing trolley line adjacent to the trolley line is different, and there is a step on the pantograph sliding surface at the joining position of the newly installed trolley line and the existing trolley line. This prevents mechanical and electrical damage, such as hindering the smooth passage of the battery and causing the current collection ability to deteriorate.
Therefore, the present invention provides a trolley wire connection fitting that matches the height positions of the pantograph sliding surfaces when connecting the trolley wires to each other and eliminates the deterioration of current collecting performance due to a step.

  In the trolley wire connecting fitting 1 of the present invention, the end portions of the adjacent trolley wires T1 and T2 that face each other in the extending direction can be gripped by a pair of ear pieces 6 and 6 facing each other across the extending direction. A pair of ears 2 and 2, a pair of opposing connection plates 3 and 3 sandwiching these ears 2 and 2 from both sides in the extending direction, bolts 4 passing through the connection plate 3 together with the ears 2, and tightening to this It is comprised with the nut 5 to insert. The connecting plate 3 is provided with a longitudinal elongated hole 3b through which the bolt 4 is inserted so that the fixing position of at least one of the ears 2 and 2 can be changed in the vertical direction, and the ears 2 and 2 are different from each other in the vertical direction. It can be connected at the gripping position.

  In the present invention, the ends of adjacent trolley wires that are abutted against each other are respectively gripped by a pair of ears, and these are sandwiched between connection plates and tightened with bolts and nuts, but the longitudinal direction in which the bolts are inserted into the connection plates Even if the vertical position of the pantograph sliding surface varies depending on the degree of wear of the connecting trolley wire, the ear fixing position can be freely moved up and down within the range of the long hole to match one of the ears with the other. Therefore, the trolley wire can be connected without a step, the pantograph can be smoothly passed through, and the mechanical shock and the deterioration of the current collecting ability can be prevented.

It is a disassembled perspective view of the trolley wire connection metal fitting which concerns on this invention. It is a front view of the trolley wire connection metal fitting of FIG. It is a top view of the trolley wire connection metal fitting of FIG. It is a side view of the trolley wire connection metal fitting of FIG. It is a front view of the trolley wire connection metal fitting of the state where the trolley wire in which wear states differ was connected.

An embodiment of the present invention will be described with reference to the drawings.
1 to 4, the trolley wire connecting fitting 1 includes a pair of ears 2 and 2 that can grip the ends of adjacent trolley wires T that are butted against each other in the extending direction, and the ears 2 and 2. A pair of connection plates 3 applied to both side surfaces over both sides, and bolts 4 that pass through these connection plates 3 and 3 together with the ears 2 and are fastened by nuts 5 to fix the ears 2 and 2 together. .

  The ear 2 includes a pair of ear pieces 6 and 6 facing each other so as to sandwich and hold the end portion of the trolley wire T from both sides. The ear piece 6 is formed of a long strip-shaped metal plate along the axial direction of the trolley wire T. The lower edge of the ear piece 6 is provided with engagement teeth 6a that protrude to the other side facing the trolley wire T1 (T2) and engage with engagement grooves at symmetrical positions on the trolley wires T1 and T2. The upper edge portion of the ear piece 6 is provided with an abutting surface 6b that comes into contact with the other side of the ear piece 6 facing the trolley wire T1 (T2). The ear piece 6 is provided with bolt insertion holes 6c through which the bolts 4 are penetrated at two places in the longitudinal direction.

  The connection plate 3 is composed of a long metal plate extending over the sides of both ears 2, and the bolt insertion hole 3 a that allows the bolt 4 to pass through the corresponding position of the bolt insertion hole 6 c of one ear 2 is replaced with the bolt of the other ear 2. Longitudinal elongated holes 3b through which the bolts 4 pass are provided at positions corresponding to the insertion holes 6c. When the ears 2 arranged side by side are sandwiched between the connecting plates 3 from both sides and the bolts 4 are inserted into the bolt insertion holes 3a, 6c and the long holes 3b, one ear 2 is positioned, while the other ear 2 The vertical position can be changed within the range of the long hole 3b.

  In this trolley wire fitting 1, the end portions of the trolley wires T1 and T2 are pinched by ears 2 from both sides, and the engagement teeth 6a are engaged with the engagement grooves of the trolley wires T1 and T2, and these ears are connected. 2 are arranged so as to face each other, the connecting plate 3 is applied from both sides over the ears 2 and 2, the bolt 4 is inserted into the bolt insertion holes 3 a and 6 c and the long hole 3 b, and the nut 5 is fastened and fixed. At this time, since the other vertical position of the other side with respect to one ear 2 can be changed within the range of the long hole 3b, when one of the existing adjacent trolley wires is replaced with a new trolley wire, the connection as shown in FIG. Even if the adjacent trolley wires T1 and T2 have different degrees of wear and the vertical positions of the pantograph sliding surfaces are different from each other, the position of the bolt 4 is adjusted within the long hole 3b to match the pantograph sliding surfaces, The lines T1 and T2 can be continuously connected to the pantograph sliding surface without a step.

1 Trolley wire fitting 2 Ear 3 Connection plate 3a Bolt insertion hole 3b Long hole 4 Bolt 5 Nut 6 Ear piece 6a Engagement tooth 6c Bolt insertion hole T1 Trolley wire T2 Trolley wire

Claims (1)

A trolley wire connecting bracket for connecting adjacent trolley wires whose ends are butted against each other in the extending direction,
And ear collision can combined end ends a pair of graspable each of the pair of ear pieces is through the bolt trolley wire is tightened by a nut which faces to sandwich each of Nobesen opposite sides of the trolley wire ,
Between both ears, the ears are sandwiched from both sides in the extending direction, both the ear pieces are passed through the bolts and tightened with the nuts, and a pair of opposing connection plates for connecting both ears are provided.
The connection plate includes a longitudinal long hole through which the bolt is inserted for changing the fixing position of at least one of the ears in the vertical direction,
A trolley wire connecting bracket, wherein the two ears are coupled in the vertical direction at different gripping positions so that pantograph sliding surfaces of trolley wires having different wear levels can be connected without any step .

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