JP4854027B2 - Arm support device for trolley wire curving device and combination of arm support device and suspension wire support device - Google Patents

Description

  The present invention relates to an arm support device that supports an arm for a curving device that holds a trolley wire to a movable bracket so that the vertical position can be finely adjusted, and a suspension wire support device that is used in combination with the arm support device.

2. Description of the Related Art Conventionally, as an arm support device for a curve drawing device, for example, the one shown in FIG. 8 is known (see Patent Document 1). The arm support device 1 is fixed to a movable bracket 2 for hanging and supporting a train line on a utility pole P. The movable bracket 2 includes a horizontal main pipe 3, an inclined main pipe 4, and a bracing pipe 5. The horizontal main pipe 3 is fixed to the utility pole P with a mounting band B on the base end side, and extends in the horizontal direction via the insulator G. The inclined main pipe 4 is also fixed to the utility pole P on the base end side with a mounting band B, extends obliquely upward through the insulator G, is coupled to the distal end portion of the horizontal main pipe 3, and cooperates with the horizontal main pipe 3. Forming a truss. The bracing pipe 5 is installed between the horizontal main pipe 3 and the inclined main pipe 4 and extends horizontally below the horizontal main pipe 3. The upper part of the arm support device 1 is fixed to the anti-vibration pipe 5, and the arm 7 of the curving device 6 is supported at the lower part. The arm 7 grips the trolley wire T via the ear 8 at the tip. The suspension line M that supports the trolley line T is supported above the trolley line T by a suspension line support device 9 provided on the horizontal main pipe 3 of the movable bracket 2.
Japanese Utility Model Publication No. 5-82644

As the train speed increases, the slight height and deviation of each trolley wire support device form a hard point on the trolley wire, leading to local wear. For this reason, it is necessary to finely adjust the vertical position of the part holding the trolley wire.
The conventional arm support device does not have a structure in which the support position of the arm 7 can be adjusted up and down. The only way to adjust the support position of the arm 7 up and down is to change the positions of the upper and lower two attachment bands B. However, it is practically impossible to finely adjust the positions of the upper and lower two attachment bands B.
Therefore, the invention according to this application is to support an arm support device for finely adjusting the vertical position of the arm for the curve drawing device, and to support the vertical position of the suspension line so as to be finely adjusted according to the vertical position of the arm Furthermore, it is an object of the present invention to provide a suspension wire support device used in combination with an arm support device.

In order to solve the above-mentioned problems, in the invention according to this application, an arm support device comprising a support device main body fixed to the anti-rest pipe and a bracket assembly attached to the support device main body so that the vertical position can be adjusted freely. Configure. The support device main body has an attachment portion fixed to the anti-rest pipe on the upper end side, an arm portion extending obliquely downward from the attachment portion to the left and right of the anti-vibration pipe, and bent from the lower end of the arm portion in the vertical direction. And a bracket connection for supporting the bracket assembly. The bracket assembly is connected to the bracket connecting portion via the vertical position adjusting means so that the vertical position can be adjusted.
The bracket assembly includes a bracket body that pivotally supports the base end side of the arm, a bracket support member that supports the bracket body so as to be relatively movable in the vertical direction at the bracket connection portion, and between the bracket connection portion and the bracket body. And a position adjusting member that adjusts the vertical position of the bracket body with respect to the bracket connecting portion.
The bracket body includes a pair of parallel bearing plate portions along the front and rear side surfaces of the bracket connection portion, and a connection plate portion connecting the base end sides of the bearing plate portions. Further, it can be configured by providing a vertical hole penetrating in the left-right direction and a bolt receiving seat protruding in the left-right direction. In addition, the bracket support member of the bracket assembly includes a contact portion and a support bolt, and the contact portion faces the connection plate portion and sandwiches the bracket connection portion between the connection plate portion in the left-right direction. The support bolt can be configured to protrude from the contact portion, pass through the long hole of the bracket connection portion, and tighten the connection plate portion of the bracket body. The connecting plate portion is provided with a bolt hole corresponding to the long hole of the bracket connecting portion and a corresponding bolt receiving seat facing the bolt receiving seat in the vertical direction. The bolt receiving seat of the bracket connecting portion and the bolt receiving seat of the bracket body The vertical position of the bracket assembly with respect to the bracket connecting portion can be adjusted by adjusting bolts and nuts passed between the brackets.
The invention according to this application further provides a suspension wire support device used in combination with the arm support device. The suspension line support device includes a main body and a suspension line holding member. The main body includes a base member that is fixed to the horizontal main pipe of the movable bracket, and a pair of left and right standing bolts that rise in the vertical direction from the base member. The suspension wire holding member has a pair of bolt holes through which the standing bolt is inserted on both the left and right sides, and the vertical position on the standing bolt is determined by a nut that is screwed to the standing bolt. The suspension wire support device can adjust the vertical position of the suspension wire holding member in synchronization with the bracket assembly of the arm support device.

According to the arm support device of the invention according to this application, the bracket assembly is connected to the bracket connection portion that hangs down in the vertical direction of the support device body via the vertical position adjustment means so that the vertical position can be adjusted. Therefore, the supporting position of the trolley wire can be easily and precisely finely adjusted without moving the mounting position of the movable bracket itself supported by the utility pole.
Further, according to the combination of the arm support device and the suspension wire support device of the invention according to this application, the support position of the suspension wire is finely adjusted in the vertical direction in synchronization with the fine adjustment of the trolley wire support position by the arm support device. can do.

  Embodiments of the present invention will be described with reference to the drawings. 1 is a front view of the arm support device and the suspension wire support device installed, FIG. 2 is a front view of the arm support device, FIG. 3 is a side view of the arm support device, FIG. 4 is a perspective view of the arm support device, and FIG. Is a front view of the suspension wire support device, FIG. 6 is a side view of the suspension wire support device, and FIG. 7 is a perspective view of a part of the suspension wire support device.

  In the drawing, the configuration of the movable bracket 2 that supports the arm support device 1 is the same as that of the conventional bracket shown in FIG.

  1 and 2, the curving device 6 includes an arm 7 and an ear 8. The ear 8 is provided at the tip of the arm 7 and holds the trolley wire T. The arm 7 extends in the left-right direction perpendicular to the front-rear direction, which is the extending direction of the trolley wire T, and is supported by the arm support device 1 on the proximal end side. The arm support device 1 is supported by a swing pipe 5 that extends horizontally in the left-right direction of the movable bracket 2.

  The arm support device 1 includes a support device main body 10 fixed to the anti-vibration pipe 5 and a bracket assembly 11 attached to the support device main body 10 so that the vertical position can be adjusted.

  The support device main body 10 includes an attachment portion 12 fixed to the anti-vibration pipe 5 on the upper end side, an arm portion 13 that extends obliquely downward from the attachment portion 12 to the left and right of the anti-vibration pipe 5, and the arm portion 13. A bracket connecting portion that is bent from the lower end and extends in the vertical direction. The attachment portion 12 is fixed by selecting a position in the left-right direction on the anti-vibration pipe 5, thereby determining a position in the left-right direction of the trolley wire T pulled by the arm 7. The bracket connecting portion 14 supports the bracket assembly 11 via the vertical position adjusting means so that the vertical position can be adjusted. By adjusting the vertical position of the bracket assembly 11, the height position of the trolley wire T pulled by the arm 7 is adjusted.

  The bracket assembly 11 includes a bracket main body 15, a bracket support member 16, and a position adjustment member 17. The bracket body 15 pivotally supports the proximal end side of the arm 7. The bracket support member 16 supports the bracket main body 15 to the bracket connecting portion 14 so as to be relatively movable in the vertical direction. The position adjusting member 17 can be engaged between both the bracket connecting portion 14 and the bracket main body 15 to adjust the vertical position of the bracket main body 15 with respect to the bracket connecting portion 14.

  The bracket connection portion 14 of the support device main body 10 has a pair of parallel side plates 14a opposed to each other in the front-rear direction, and a back plate 14b that connects one edge portion in the left-right direction (right edge portion in the drawing) at a right angle. It consists of a grooved member. The back plate 14b is formed with a vertically long hole 14c penetrating in the left-right direction, and a bolt receiving seat 14d is projected from the right outer surface of the back plate 14b.

  In the figure, the bracket main body 15 has a pair of parallel bearing plate portions 18 along the outer side surfaces of the side plates 14a before and after the bracket connecting portion 14, and the base end sides (right edge portions in the drawing) of the bearing plate portions 18 at right angles. And a connecting plate portion 19 to be connected. The connecting plate portion 19 has a bolt hole 19a corresponding to the elongated hole 14c of the bracket connecting portion 14, an opening 19b through which the bolt receiving seat 14d passes, and a corresponding bolt receiving seat 19c facing the bolt receiving seat 14d in the vertical direction. . The base end portion of the arm 7 is received between the pair of bearing plate portions 18 and supported by bolts 20 and 21 inserted through the bearing holes 18a and 18b.

  The bracket support member 16 includes a contact plate portion 22 and support bolts 23. The abutting plate portion 22 faces the connecting plate portion 19 of the bracket main body 15 and abuts against the left inner surface of the back plate 14b with the back plate 14b of the bracket connecting portion 14 interposed therebetween. The support bolt 23 protrudes from the side surface of the contact plate portion 22, passes through the long hole 14 c of the bracket connection portion 14 and the bolt hole 19 a of the bracket body 15, and tightens the connection plate portion 19 in cooperation with the nut 24. .

  The position adjustment member 17 includes a bolt 25 and a nut 26. The bolt 25 is inserted between the bolt receiving seats 14 d and 19 c and cooperates with the nut 26 to adjust the vertical position of the bracket assembly 11 with respect to the bracket connecting portion 14.

  The suspension line support device 9 includes a main body 27 fixed on the horizontal main pipe 3 of the movable bracket 2 and a suspension line holding that is supported on the main body 27 so that the vertical position can be adjusted while holding the suspension line M. Material 28. The fixing position of the main body 27 on the horizontal main pipe 3 is set to be directly above the trolley line T.

  As shown in FIGS. 5 to 7, the main body 27 includes a base member 29 that holds the horizontal main pipe 3, and a pair of left and right standing bolts 30 that rise from the base member 29 in the vertical direction. The suspension wire holding member 28 includes a receiving plate 31, a bowl-shaped metal fitting 32, a contact plate 33, a U-shaped bolt 34, and a nut 35.

  The receiving plate 31 has a pair of bolt holes 31a through which the upright bolts 30 of the main body are inserted on both the left and right sides, and is configured so that the vertical position on the upright bolts 30 can be adjusted by the adjustment nut 36. The saddle-shaped fitting 32 is welded to the upper center portion of the receiving plate 31 so that the suspension wire M is inserted into the groove portion thereof. The receiving plate 31 has insertion holes 31 b for passing U-shaped bolts 34 on both sides of the bowl-shaped metal fitting 32. The abutting plate 33 has insertion holes 33 a for U-shaped bolts 34 on the left and right sides, faces the upper side of the bowl-shaped metal fitting 32 with the suspension line M interposed therebetween, and holds the suspension line M by tightening the nut 35.

  The left / right position of the arm 7, that is, the left / right position of the trolley wire T gripped by the arm 7 is adjusted by adjusting the left / right position of the mounting portion 12 in the arm support device 1, and the trolley wire T is adjusted by adjusting the vertical position of the bracket assembly 11. The support position is adjusted up and down. In this position adjustment, the support position of the suspension line M is finely adjusted in the vertical and horizontal directions by the suspension line support device 9 in synchronization with the left and right positions and height positions of the trolley line T.

It is a front view of the installation state of the arm support apparatus which concerns on this invention. It is a front view of the arm support device concerning the present invention. It is a side view of the arm support device concerning the present invention. It is a perspective view of an arm support device. It is a front view of a suspension line support apparatus. It is a side view of a suspension line support apparatus. It is a one part perspective view of a suspension line support apparatus. It is a front view of the conventional arm support apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Arm support apparatus 2 Movable bracket 3 Horizontal main pipe 4 Inclined main pipe 5 Anti-rest pipe 6 Curve drawing apparatus 7 Arm 8 Ear 9 Suspension wire support apparatus 10 Support apparatus main body 11 Bracket assembly 12 Attachment part 13 Arm part 14 Bracket connection part 15a Side plate 15b Back plate 15c Long hole 15d Bolt receiving seat 15 Bracket body 16 Bracket support member 17 Position adjusting member 18 Bearing plate portion 18a Bearing hole 18b Bearing hole 19 Connection plate portion 19a Bolt hole 19c Bolt receiving seat 20 Bolt 21 Bolt 22 Contact plate portion 23 Support bolt 24 Nut 25 Bolt 26 Nut 27 Main body 28 of the suspension wire support device Suspension wire holding material 29 Base member 30 Standing bolt 31 Receiving plate 31a Bolt hole 32 Hook-shaped metal fitting 33 Contact plate 33a Bolt insertion hole 34 U-shape Bolt 35 Nut 36 Adjustment nut B Mounting band M Suspension P utility pole T trolley line

Claims (4)

A trolley wire is gripped on the distal end side and extends in the left-right direction perpendicular to the front-rear direction, which is the direction in which the trolley wire extends. An arm support device for supporting a vibration pipe extending horizontally in the left-right direction; a support device main body fixed to the vibration prevention pipe; and a base end of the arm attached to the support device main body so that the vertical position can be adjusted A bracket assembly for supporting the side ; the support device main body has an attachment portion fixed to the anti-rest pipe on the upper end side, and extends downward from the attachment portion to the left and right obliquely downward from the attachment portion. An arm portion and a bracket connecting portion that bends from the lower end of the arm portion and extends in the vertical direction to support the bracket assembly; Curve drawing device for arm support device of the trolley wire, characterized in that the vertical position adjustably connected to the bracket connecting part.   The bracket assembly includes a bracket body that pivotally supports a proximal end side of the arm; a bracket support member that supports the bracket body so as to be relatively movable in the vertical direction on the bracket connection portion; and the bracket connection portion and the bracket body. The trolley wire curving device arm support device according to claim 1, further comprising a position adjusting member that engages between the two and adjusts the vertical position of the bracket body with respect to the bracket connecting portion. .   The bracket body includes a pair of parallel bearing plate portions along the front and rear side surfaces of the bracket connection portion, and a connection plate portion connecting the base end sides of the bearing plate portions; And a bolt receiving seat protruding in the left-right direction; the connecting plate portion of the bracket body includes a bolt hole corresponding to the long hole of the bracket connecting portion, and the bolt receiving seat The bracket support member of the bracket assembly is opposed to the connection plate portion and sandwiches the bracket connection portion between the connection plate portion in the left-right direction. A contact portion that contacts the bracket connection portion, and a support member that protrudes from the contact portion and penetrates the long hole of the bracket connection portion and the bolt hole of the bracket body, and tightens the connection plate portion of the bracket body. A vertical position of the bracket assembly with respect to the bracket connecting portion is adjusted by an adjusting bolt and a nut passed between the bolt receiving seat of the bracket connecting portion and the bolt receiving seat of the bracket main body. 2. The arm support device for a trolley wire curving device according to claim 1.   The arm support device according to claim 1 and a suspension for supporting a suspension line laid in parallel above the trolley line on a horizontal main pipe extending horizontally in the left-right direction above the anti-vibration pipe of the movable bracket. A suspension wire support device comprising: a main body fixed to the horizontal main pipe; and a suspension wire holding member supported on the main body so that the vertical position can be adjusted; The main body includes a base member that holds the horizontal main pipe and a pair of left and right standing bolts that rise vertically from the base member; and the suspension wire holding member is a pair of bolts through which the standing bolts of the main body are inserted. It has holes on both the left and right sides, and is configured to be able to adjust the vertical position on the upright bolt by adjusting nuts by holding the suspension line; holding the suspension assembly and the bracket assembly of the arm support device The combination of the contact wire of the curve drawing device for arm support device and catenary support device, characterized in that the wood to be tuned is adjustable up and down position.

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