JPS6271731A - Electrical railcar line support equipment - Google Patents

Abstract

PURPOSE:To easily adjust a position of an electric railcar line in upward and downward direction and its tilt angle, by fixing a bracket for mounting an electric railcar line to a vertical mounting surface through a collar with an oval-shaped hole for permitting adjustment of a position of upward and downward direction of the bracket and its tilt angle. CONSTITUTION:A vertical base plate unit 32 is welded to a connect fitting 30 of a trestle 23, and holes through which bolts are inserted are formed in the vertical base plate unit 32 for fixing a bracket 24. A collar 38 with an oval-shaped hole is rotatably engaged with a collar engaging hole 43 of the bracket 24. Thus, the degree of parallelization of trolley lines is adjusted by adjusting the position of two bolts 33 at the lower side while two collar 38 at the lower side are being turned and by turning an adjust bolt 36 positioned above, for example. In addition, an adjustment of the position of the trolley lines 10 in an upward and downward direction is effected by turning an adjust bolt 46.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an overhead contact line support device for installing a power supply overhead contact line such as a rigid contact wire laterally along a track. J above
:Una rigid contact wires are used in new urban transportation systems such as the Thai A1 type electric train.

(Prior Art and its Problems) Conventional overhead contact line support devices are attached (pull) independently to the wall surface of the harness or the track surface, apart from the guide rails that contact the width of the lateral guide of the train.

Therefore, J3 is required to remove the overhead contact line support device.
, adjustment of the horizontal overhang 31 of the overhead contact line with respect to the rail surface of the guide rail, and the parallelism of the overhead contact line with respect to the rail (
It takes time to adjust the tilt) and vertical position. In addition, it is necessary to separately install support leg parts dedicated to the guide rail and support leg parts dedicated to the contact line support device on the parabet wall surface or track surface, which increases the distance between the left and right parabets and increases the size of the track. do.

(Object of the Invention) The object of the present invention is to fix a stepladder to a guide rail, and to omit or easily make adjustment of the overhang of the overhead contact line to the electrician side at the installation site. In addition, by using an adjustment nut, a collar with an oblong hole, etc., it is possible to easily adjust the vertical position and inclination angle of the electric wire 11 on site.

(Means for Achieving the Object) In order to achieve the above object, the present invention includes a stepladder fixed to a guide rail and a bracket for attaching a plurality of overhead contact lines, and the stepladder has a vertical line for attaching the bracket to the stepladder. For installation, a vertical board part with a surface is provided, and a plurality of collars with oval holes are rotatably fitted to either the bracket or the board part, and the bracket is removed with bolts through the collars. The base plate is provided with two boss parts spaced apart from each other in the rail height direction, each having a nut support slot extending in the rail height direction. A shaft-shaped adjustment nut 1~ perpendicular to the IJ direction is rotatably supported, the adjustment put has a female thread approximately perpendicular to the axial direction thereof, and an adjustment bolt screwed into the adjustment stop is engaged with the bracket. At the same time, the vertical position of the bracket can be adjusted freely using the adjustment bolt, and the angle of inclination within the mounting plane can be adjusted freely by rotating the collar with an oblong hole.

(Example) FIG. 4 shows a schematic cross-sectional view of a typical example of a rubber tire electric train 1 and its track device 2. In this Figure 1,
The track section 3 is supported on the ground E via a leg platform 4,
A pair of parabets 5 are formed on both sides of the track portion 3 and extend upward.

The electric train 1 is equipped with rubber wheels 6 on the lower side, and sideways guide wheels 7 on both left and right sides. It is in contact with a shaped guide rail 8.

A current collector 9 of the train 1 is in contact with a three-phase AC power supply contact wire 10. The guide rail 8 is fixed to rail support legs 12, and a large number of the rail support legs 12 are arranged at intervals in the rail length direction and are fixed to the track section 3, as shown in FIG.

A contact wire support device 15 that supports the loli wires 1 to 10 is directly fixed to the guide rail 8. A large number of support devices 15 are arranged at intervals in the rail length direction, and are also arranged at positions spaced apart from the rail support legs 12 in the rail length direction.

In FIG. 1 showing an enlarged side view of the support device 15 (an enlarged view of FIG. 4), each contact wire 10 is attached to and supported by a paddle 21 by a gripping member 20. As shown in FIG.

The support device 15 is equipped with a stepladder 23 having a T-shaped surface, a bracket 24, etc., and the end surface 23a of the stepladder 23, which is parallel to the rail guide surface 8a of the guide rail 8, is in contact with the vertical end surface 8b of the rail 8. . The cross-sectional shape is approximately square-shaped and is tightened using the metal fitting 25, bolt 26 and nut 2.
Tightening [ ) system consisting of 7 etc.; N, bolt 2B and nut 2
9, the lower end portion of the stepladder 23 is connected to the vertical end surface 8 of the rail 8.
b and extends upward. Tighten Nj fitting 2
A notch 25a corresponding to the width of the stepladder 23 is formed in the lower end piece of 5, and the stepladder 23 is fitted into the notch 25a.

A connecting fitting 30 is welded to the upper end of the stepladder 23, and a vertical base plate portion 32 having a surface 32a for vertical mounting is attached to the connecting fitting 30.
is welded. On the other hand, the bracket 24 is formed into a flat plate shape, and the insulator 21 is fixed thereto, and the base plate part 32 is attached by contacting the surface 32a with three wooden bolts 33.3117.
The attachment is fastened to the surface 32a by three collars 38.

That is, in FIG. 3, there is one mounting on the upper side on the surface 32a,
Two bolt insertion holes 40 are formed on the lower side, three collar fitting holes 43 corresponding to the bolt insertion holes 40 are formed in the bracket 24, and an oblong hole 45 is formed in the collar fitting hole 43. A collar 38 is rotatably fitted thereto. Each bolt 33 has a bolt insertion hole 40 and an oblong hole 4 of the collar 38.
5, and the nut 36 is screwed on.

The upper end of the vertical base plate 32 and the upper end of the bracket 24 are connected by two adjustment nuts 46 and two adjustment nuts 47, so that the vertical position of the bracket 24 can be adjusted. That is, the substrate part 3
2 in the rail length direction (direction parallel to arrow R)
A pair of boss portions 50 are provided at intervals,
Nut supporting long holes 51 that are long in the rail length direction are formed in the boss portion 50, and each long hole 51 rotatably supports a round shaft-shaped adjustment nut 47 that is perpendicular to the base plate portion 32. A female thread 47a is formed in the center of the adjustment nut 47 and is perpendicular to the nut axis. On the other hand, a pair of bolts are attached to seats 53 at the upper end of the bracket 24.
is welded to the bolt insertion hole 55 in the seat 53.
are formed respectively.

A square portion 46a for gripping with a spanner or the like is formed at the upper end of the adjustment bolt 46, and a flange portion 46b is formed at the center. The lower half of the adjustment bolt 46 is screwed into the adjustment nut 47, and the upper half of the adjustment bolt 46 is screwed into the adjustment nut 47 through the hole 55 of the mounting seat 53.

(Function) When fixing the stepladder 23 to the vertical surface 8b of the guide rail 8, the upper side of the vertical surface 8b is fixed with bolts 28 and nuts 29, and the lower side of the vertical surface 8b is fixed with a metal fitting 25, U
Tighten with bolts 26 and nuts 27. The stepladder 23 is fitted into the notch 25a of the metal fitting 25.

There is no particular need to adjust the amount of overhang of the contact wire 10 toward the train side (in the direction of arrow C) with respect to the guide surface 8a of the rail 8 at the installation site. That is, since the stepladder 23 is directly fixed to the vertical surface 8b of the rail 8, the amount of overhang can be set in advance during the factory manufacturing process of the support device 15.
5 You can get the exact mounting number just by typing <.

The position of the contact wire 10 in the upper F direction is adjusted by rotating both adjustment bolts 46. Since there is a pair of adjustment bolts 46 spaced apart in the length direction of the rail, it is possible to adjust the position in the upper F direction. Even when three insulators 21 are arranged in a distributed manner, the height of each insulator 21, that is, each contact wire 1
The height of 0 can be set accurately.

Adjustment of the inclination angle within the mounting surface 2a of the base plate portion 32, that is, the parallelism of the contact wire 10 with respect to the rail 8, can be performed, for example, by using the upper collar 38 in FIG. Adjust the positions of the lower two bolts 33 while rotating the two collars 38, and then tighten the upper adjustment bolts 36.
It depends on the rotation. When the rotational adjustment amount of the bracket 24 is large, or when the upper collar 38 is also adjusted in the M movement, the adjustment nut 47 is attached to the boss portion 50.
In moving (rotating movement) in the long hole 51 of J,
The adjustment bolt 46 and the bracket 24 are rotated in a circle W1 without support.

When adjusting the vertical position and inclination angle as described above, the nut 56 of the adjustment bolt 46 and each collar nut 36 are temporarily tightened, but they are finally tightened after adjustment.

(Another Embodiment) (1) As shown by the imaginary line in FIG. 1, the upper end of the stepladder 23 may be supported on the parabet 5 by a reinforcing anchor bolt 60. This means, for example, Barabet 5
When the gap 1 between the stepladder 23 and the end face 23a is narrow and the width L2 of the reinforcing rib 23b portion of the stepladder must be shortened, etc.
Deflection in this direction can be prevented.

(2) Although the illustrated embodiment is a three-phase AC contact line support device that supports three contact wires, the present invention is also applicable to a DC contact line support device that uses two electric wires. can.

(3) In the illustrated embodiment, three sets of collars 38, bolts 33, etc. for adjusting the inclination angle are provided, but only two sets may be provided.

(4) The collar 38 with a good circular shape may be fitted into the J, 4 & portion 32.

(Effects of the Invention) As explained above, the present invention has the following features: (1) The mounting includes a vertical base plate 32 having a mounting surface 32a, and a bracket 24 fixed to the mounting surface 32a. The vertical mounting of the bracket 24 is fastened to the surface 32a via the collar 38, and the mounting is performed using an axial adjustment nut 47 perpendicular to the collar 32a and an adjustment bolt 46 screwed into the adjustment nut 47. Installation [Since the angle of inclination within the surface 2a, for example, the parallelism of the contact wire 10 to the rail 8, is adjusted, the vertical position and angle of inclination (parallelism to the rail 8) of the contact wire 10 is adjusted at the installation work site. The temperature can be easily adjusted, improving work efficiency on site.

(2) Adjustment bolt 46 and adjustment nut 47
Since there are two sets of insulators 21 spaced apart from each other in the rail length direction, for example, even in a three-phase AC device in which three insulators 21 are distributed as shown in FIG. The vertical position and inclination angle of 24 can be easily and accurately adjusted.

(3) Since the support hole 51 of the boss portion 50 that supports the adjustment nut 47 is formed to be long in the rail length direction, even if the rotation amount of the bracket 24 becomes large, the adjustment nut cannot be inserted into the long hole 51. By moving the bracket 47, the rotation of the bracket 24 can be smoothly adjusted.

(4) Since the overhead contact line support device 15 is directly fixed to the guide rail 8 that comes into contact with the guide wheel 7 of the electric train 1, there is no need to provide support legs dedicated to the overhead contact line support device on the flapper 1-, etc.

Therefore, the construction work for laying the track equipment and the work for attaching the contact line support device 15 are simplified, work efficiency is improved, and the construction period can be shortened.

(5) Since there is no need to provide support legs for the contact line support device on the parabets 5, etc., it is possible to narrow the spacing between the parabets 5, and thereby the track 2 can be made more compact.

(6) Since the overhead contact wire support device is fixed to the guide rail 8, the horizontal extension of the contact wire 10 relative to the rail guide surface 8a can be easily adjusted on site.

In particular, as shown in FIG.
If the vertical end surface 23a of No. 3 is fixed, the above-mentioned adjustment work on site can be omitted.

[Brief explanation of drawings]

Figure 1 is a side view of the overhead contact line support device according to the present invention, Figure 2 is a front view (view from the ■ arrow in Figure 1), Figure 3 is an exploded perspective view of the main parts of Figure 1, and Figure 4. 1 is an overall cross-sectional view of a track system equipped with a contact line support device according to the present invention, and FIG.
−■ It is a partial cross-sectional view. 1... Train, 8... Guide rail, 10... Contact wire, 23... Stepladder, 24... Bracket, 32...
・Vertical board part, 32a...Vertical mounting is surface, 38...
・Collar with oval hole, 45...Oval hole, 46...
Adjustment bolt, 47...Adjustment nut, 47
a...Female thread, 50...Boss part, 51...Elongated hole Patent applicant Dainichi Nippon Cable Co., Ltd. Agent Patent attorney Tadashi Omori ・゛Chiku 1 [q Fig. 2 Fig. 3

Claims (1)

[Claims] A stepladder fixed to a guide rail and a bracket for attaching a plurality of overhead contact lines are provided, the stepladder is provided with a vertical base plate having a vertical mounting surface for attaching the bracket,
A plurality of collars with oval holes are rotatably fitted to either the bracket or the base plate, and the bracket is fastened to the mounting surface with mounting bolts through the collars. Boss parts each having a long hole for supporting a nut extending in the lengthwise direction of the rail are provided at two locations spaced apart from each other in the length direction of the rail.
Each of the above bosses rotatably supports an adjustment nut in the form of a shaft perpendicular to the mounting surface, and the adjustment nut has a female thread approximately perpendicular to its axial direction, and an adjustment bolt that is screwed into the adjustment nut. A contact wire support device that engages with a bracket and is characterized in that the vertical position of the bracket can be adjusted by an adjustment bolt, and the angle of inclination within the mounting surface can be adjusted by rotating a collar with an oblong hole.