JP4846478B2 - Support device for the rigid rail line in Shinji - Google Patents

Description

  The present invention relates to a support device for a rigid train line in a tunnel that is fixed to a ceiling of a subway or the like of a subway and supports the rigid train line so that the angle can be adjusted according to the cant angle of the track.

A support piece projecting to both sides of the extending direction so as to form an inverted T-shape as viewed from the side is provided at the lower part of the column hanging from the ceiling via the insulator, and the rigid train wire is adjustable on the support piece so as to be swingable. Patent Document 1 describes a support device for a rigid overhead wire for electric railway with which a support is engaged. In this device, the support piece is formed in a semi-cylindrical shape with a circular arc on the upper surface, and the support is supported so as to be placed on this, and the bolt is placed between the support piece and the support at an arbitrary rotational angle position with a bolt. Fixed. This inclination angle is set so as to correspond to the cant angle of the track, and the rigid overhead wire is inclined and supported so as to coincide with the cant angle.
Japanese Utility Model Publication No. 62-182832

In the conventional support device described above, the swing center of the support body is located at a considerable distance above the center of the rigid body wire. Therefore, when the support body is tilted, the rigid body wire is moved away from the center of the rail and left and right. There is a drawback that it is swung and moved up and down.
The present invention is an apparatus for supporting a rigid electric train line at a position as close to the ceiling as possible while securing a specified insulation distance from a ceiling in a narrow tunnel, and the rigid body according to the cant angle of the track It is possible to adjust the support angle of the train line so that the rigid train line does not deviate from the center of the rail by the adjustment.

  In the present invention, in order to solve the above-described problems, the support device 1 for the rigid train wire 21 is constituted by a base 2, a receiving member 4, a support member 5, and a saddle fitting 6. The base 2 is fixed to the ceiling S of the tunnel. A pair of receiving members 4 are fixed under the base 2 via a lever 3 away from each other in the extending direction of the train line. The support member 5 is supported so that the angle of the receiving member 4 can be adjusted according to the cant angle. The rigid train wire 21 is supported at the lower part of the support member 5 in cooperation with the saddle fitting 6. The receiving member 4 is fixed to the lower portion of the insulator 3 on the base end 4a side and extends horizontally in the extending direction, and includes a mounting portion 4c on the distal end side. The mounting portion 4c is provided with an arcuate surface 4d that is substantially concentric with the trolley wire 24 supported below in the mounted state. The support member 5 includes a flat plate-like support portion 5a for fixing the upper portion of the rigid train line 21, a standing portion 5b that rises upward from the left and right ends of the support portion 5a, and an obliquely outward outward from the upper end of the standing portion 5b. And a pair of left and right coupling portions 5c. The coupling portion 5c is provided with an arcuate surface 5d that is superimposed on the arcuate surface 4d of the attachment portion 4c. Bolts 7 are inserted and fixed in overlapping portions of bolt insertion long holes 4 e and 5 e formed in the attachment portion 4 c of the receiving member 4 and the joint portion 5 c of the support member 5. The relative fixed angle between the support member 5 and the receiving member 4 can be changed within a predetermined range by sliding the arcuate surfaces 4d and 5d.

  In the present invention, the angle adjusting mechanism is provided at the tip of the receiving member extending horizontally in the extending direction from directly below the insulator. It is possible to support the rigid train line so that the angle can be adjusted according to the cant angle of the track at a position close to. Adjustment does not cause the rigid train line to move up and down or to deviate from the center of the rail.

  Embodiments of the present invention will be described with reference to the drawings. 1 is a front view of the support device, FIG. 2 is a side view of the support device, FIG. 3 is a plan view of the support device, and FIG. 4 is a perspective view of the receiving member and the support member.

  In the figure, a plurality of support devices 1 are fixed to a ceiling S of a tunnel in the direction of extension of the train line at intervals, and support the rigid train line 21 so that the angle can be adjusted according to the cant angle. The rigid train line 21 includes a long support rigid body 22 and a gripping fitting 23 that grips the trolley wire 24 and is bolted between the lower edge of the support rigid body. The support rigid body 22 includes an upper flange 22a, a web 22b extending at a right angle from the center of the flange, and a grip portion formed so as to engage with a side groove of the trolley wire 24 along the lower edge of the web. 22c is a long conductor having a substantially T-shaped cross section. The rigid train line 21 is fixed to the support device 1 at the upper flange 22a of the support rigid body.

  The support device 1 includes a base 2 fixed to the ceiling, a pair of receiving members 4 fixed below the base via insulators 3, a supporting member 5 supported by the receiving members, and a supporting member. And a saddle fitting 6 for supporting the flange 22a of the rigid train line.

  A pair of insulators 3 are fixed below the base 2 so as to be separated from each other in the direction orthogonal to the extension of the train line. The receiving member 4 is fixed to the lower end of each insulator 3. The receiving member 4 includes a base end portion 4a, an extending portion 4b, and an attachment portion 4c, and is fixed to the lower portion of the insulator 3 with bolts 9 at the base end portion 4a. The extension part 4b extends horizontally from the base end part 4a in the direction of extension of the train line, and an attachment part 4c is provided on the distal end side thereof. The attachment portion 4c includes an arc surface 4d that is substantially concentric with the trolley wire 24 in the attached state.

  The support member 5 includes a flat plate-like support portion 5a that fixes the upper flange 22a of the rigid train wire 21, a standing portion 5b that rises upward from the left and right ends of the support portion, and an obliquely outward downward from the upper end of the standing portion 5b. And a pair of left and right connecting portions 5c. The coupling | bond part 5c has the circular arc surface 5d overlapped so that sliding on the circular arc surface 4d of the attaching part 4c is possible.

  The attachment portion 4c of the receiving member 4 is formed with a long hole 4e in the extending direction for receiving the square root of the bolt 7, and the bolt 7 can be inserted into the coupling portion 5c of the support member 5 so as to overlap the long hole 4e. Thus, a long hole 5e extending in the vertical direction is formed. Accordingly, the support member 5 can change the fixed angle by sliding the arcuate surfaces 4d and 5d within a range in which the bolt 7 can be moved relative to the receiving member 4 within the elongated hole 5e. Since the center of the arc of the arc surface 4d is set to substantially coincide with the center of the trolley line 24, the position of the trolley line 24 does not shift to the left or right even if the mounting angle of the support member 5 is changed. Thus, the trolley wire 24 is always in the center of the rail.

  The flange 22a of the rigid train wire 21 is joined to the lower surface of the flat support portion 5a of the support member 5, and the left and right edges thereof are supported between the pair of saddle fittings 6 and the flange 22a. The saddle fitting 6 is fixed to the support portion 5a with bolts 8.

  The present invention is applied to a supporting device for a rigid train line in a tunnel that is fixed to a ceiling of a subway or the like of a subway and supports the rigid train line so that the angle can be adjusted according to the cant angle of the track.

It is a front view of a support device. It is a side view of a support device. It is a top view of a support device. It is a perspective view of a receiving member and a supporting member.

Explanation of symbols

S ceiling 1 support device 2 base 3 insulator 4 receiving member 4a base 4b extending portion 4c mounting portion 4d arc surface 4e long hole 5 support member 5a support portion 5b upright portion 5c connecting portion 5d arc surface 5e long hole 6 saddle fitting 7 bolt 8 Bolt 9 Bolt 21 Rigid train wire 22 Support rigid body 22a Flange 22b Web 22c Grip part 23 Grip metal fitting 24 Trolley wire

Claims (3)

A support device that supports a rigid electric train line that is fixed to the ceiling of the tunnel and spaced apart from each other in the extending direction and that has a trolley wire gripped on the lower edge of the long support rigid body so that the angle can be adjusted according to the cant angle. Because
A base fixed to the ceiling, a pair of receiving members fixed to the left and right in the extending direction via insulators below the base, and a lower part supported by the receiving member so that the angle can be adjusted according to a cant angle. A support member that supports the rigid train line, and a saddle bracket that supports the upper portion of the rigid train line between the support member,
The receiving member is fixed to the lower portion of the insulator on the base end side, extends horizontally in the extending direction, and includes a mounting portion on the tip side, and the mounting portion includes an arc surface substantially concentric with the trolley wire. ,
The support member includes a flat plate-like support portion that fixes the upper portion of the rigid train line, an upright portion that rises upward from the left and right ends in the extending direction of the support portion, and an obliquely outward extension from the upper end of the upright portion. A pair of left and right coupling parts having an arcuate surface overlaid on the arcuate surface of the mounting part,
A rigid body in a tunnel , wherein the support member is fixed to the receiving member so that the mounting angle can be changed within a predetermined relative movement range by sliding the arc surface of the supporting member and the arc surface of the receiving member. Support device for train lines.   The upper plate portion of the rigid train wire is joined to the lower surface of the flat plate-like support portion of the support member, and the left and right edges in the extending direction of the upper plate portion by a pair of saddle fittings fastened with bolts to the support portion Is supported by the support member. 2. The apparatus for supporting a rigid train line in a tunnel according to claim 1.   2. The apparatus for supporting a rigid electric wire in a tunnel according to claim 1, wherein the receiving member is fixed to the left and right via a pair of left and right insulators extending in the extending direction fixed under the base.

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