JP3629594B2 - Sideline section year - Google Patents

Description

[0001]
[Industrial application fields]
TECHNICAL FIELD The present invention relates to an ear for a tangent section used for arranging a messenger line in a local wear portion of a trolley line in a train line.
[0002]
[Prior art]
When the wear of a trolley wire increases locally due to the occurrence of a hard point, etc., the trolley wire is arranged in parallel with the trolley wire until the trolley wire is replaced, thereby promoting local wear of the trolley wire. Is preventing.
[0003]
The trolley line and the auxiliary line are connected and supported with each other by using an ear 3a generally called a double ear as shown in FIG. 8, for example.
[0004]
The ear 3a includes outer clamping pieces 4a and 4b each having locking claws 21a and 21b engaging with locking grooves formed on both sides of the upper portion of the trolley wire 1a and the accessory wire 1b arranged on the lower end inner surface, respectively. The central clamping pieces 5a on both sides of the ends of the locking claws 21c and 21d facing the locking claws 21a and 21b are inserted into bolt holes 6a formed in communication with the respective clamping pieces 4a, 4b and 5a. The bolts 7a and nuts 8a are connected to each other, and the holding portions 2a and 2b of the trolley wire 1a and the accessory wire 1b are arranged in parallel.
[0005]
However, the double ear is mainly used for connecting the trolley wires, and the grip portions 2a and 2b provided in parallel with each other have the trolley wires 1a and 1b having the same diameter, respectively, and their lower surface positions are the same height. It is supported from the beginning in a state adjusted to become.
[0006]
Therefore, in order to hold the lower surface of the accessory wire 1b with the same height as the lower surface of the trolley wire 1a that is locally worn, select the accessory wire 1b having a remaining diameter that matches the remaining diameter of the trolley wire 1a. Therefore, it is extremely difficult to select the trolley wire 1a, and it is necessary to prepare many kinds of auxiliary wires 1b having a remaining diameter that matches the remaining diameter of the trolley wire 1a. There is also the problem of having to.
[0007]
Therefore, for example, as shown in FIG. 9, the gripping portion 2a for gripping the trolley wire 1a and the gripping portion 2b for gripping the accessory wire 1b are separated from each other by the fixing bolt 3a, and both gripping portions 2a, It is considered that the joining position with 2b can be adjusted in the vertical direction.
[0008]
However, the conventional double ear that can adjust the joining position of the conventional gripping portions 2a and 2b in the vertical direction so that the lower surface of the lower surface auxiliary wire 1b with the trolley wire 1a fits with the fixing bolt 9a loosened at the time of mounting. Further, the vertical positions of the gripping portions 2a and 2b are adjusted, and the fixing bolt 9a is fastened again.
[0009]
Therefore, there is a problem that adjustment work is difficult, skill is required, and fine adjustment is difficult because the vertical positions of both gripping portions 2a and 2b change stepwise.
[0010]
[Problems to be solved by the invention]
The problem to be solved by the present invention is that the lining wire ear that can hold the lining wire by adjusting the lower surface of the trolley wire and the lower surface of the trolley wire to the same height at the local wear portion of the conventional trolley wire. The adjustment work is difficult and the fine adjustment cannot be performed.
[0011]
[Means for Solving the Problems]
In the present invention, a first gripping part for gripping a trolley wire formed separately and a second gripping part for gripping an accessory line are joined in a lateral direction so that the joining position can be adjusted in the vertical direction . In addition, a wedge screw having a wedge portion having a working surface inclined in the direction of the screw rod on the upper surface and a guide protrusion on the side surface is formed laterally and on the joint surface between the first grip portion and the second grip portion . The first grip having an upper wall surface disposed in a direction perpendicular to the joining direction of the one grip portion and the second grip portion, and the wedge portion of the wedge screw being formed at the same inclination as the action surface The guide recess formed on the wedge portion is fitted to the fitting surface of the second gripping portion while the working surface is fitted to the upper wall surface in the fitting concave portion formed on the joint surface of the second portion. are fitted in the sliding groove formed toward the lateral direction, it the wedge Characterized in that the bonding position between the first gripping portion is moved laterally and the second gripping portion of the wedge portion by rotating the adjustable vertically and添線in local wear point of the trolley wire Is achieved in a very simple manner, and the lower surface of the trolley wire and the lower surface of the accessory wire are held at the same height position.
[0012]
[Action]
The first gripping portion and the second gripping portion are moved by rotating a wedge screw arranged on the joint surface between the first gripping portion for gripping the trolley wire and the second gripping portion for gripping the auxiliary wire, and moving the machine in the horizontal direction. The lower surface of the trolley wire and the lower surface of the accessory wire are set to the same height position by adjusting the joining position of the trolley wire.
[0013]
【Example】
Next, embodiments of the present invention will be described with reference to the drawings.
[0014]
FIGS. 1 to 6 show an embodiment of the present invention. The ear 1 has a first grip 3 for gripping the trolley wire 2, a second grip 5 for gripping the accessory wire 4, and these first grips 3. And the second gripping portion 5 are fixed to each other in a joined state by a bolt 61 and a nut 62 and a wedge disposed on the joint surfaces 31 and 51 of the first gripping portion 3 and the second gripping portion 5. And a screw 7.
[0015]
The first grip portion 3 is composed of sandwiching pieces 3A and 3B each having a locking claw 32 and 32 that engage with locking grooves 22 and 22 formed on both upper sides of the trolley wire 2 at the lower end.
[0016]
Insertion holes 33 and 33 for bolts 61 are formed at the center positions of the sandwiching pieces 3A and 3B, respectively, and protrusions and grooves that are fitted to the upper ends of the inner side surfaces 34 and 34, respectively. Protrusions 35 and 36 having s are respectively formed.
[0017]
Further, the second gripping part 5 has substantially the same configuration as the first gripping part 3, and a locking claw 52 that engages with locking grooves 42, 42 formed on both sides of the upper portion of the accessory wire 4, It is composed of sandwiching pieces 5A and 5B each having 52 at the lower end.
[0018]
The sandwiching pieces 5A and 5B are formed with insertion holes 53 and 53 of an oval bolt 61 extending in the vertical direction at substantially the center positions thereof, and are fitted to the upper ends of the inner side surfaces 54 and 54, respectively. Protrusions 55 and 56 having grooves and ridges are respectively formed.
[0019]
The wedge screw 7 disposed on the joint surfaces 31 and 51 between the first gripping portion 3 and the second gripping portion 5 is a wedge portion 71, a screw rod 72 that is fixed to the wedge portion 71 and extends in the horizontal direction, and this The wing nut 73 is screwed onto the screw rod 72.
[0020]
In particular, in this embodiment, the wedge portion 71 has a working surface 74 inclined on the upper surface so as to be lowered toward the screw rod 72.
[0021]
A fitting recess 57 of the wedge portion 71 in the wedge member 7 is formed on the joint surface 51 of the second grip portion 5.
[0022]
The fitting recess 57 has an upper wall surface 58 formed on an inclined surface having the same angle as the action surface 74 of the wedge portion 71.
[0023]
Further, a sliding groove 37 of a guide projection 75 projecting from the side surface of the wedge portion 71 of the wedge screw 7 is formed in the horizontal direction on the joint surface 31 of the first grip portion 3.
[0024]
In addition, a guide protrusion 75 that is fitted into a side surface of the wedge portion 71 of the wedge screw 7 on the second gripping portion 5 side and a sliding groove 59 provided on the side surface of the second gripping member 5 is formed.
[0025]
In the present embodiment, for example, a bolt 61 is inserted in the order of the sandwiching pieces 3A, 3B, 5A, 5B and a washer 63, and a nut 62 is screwed into the screw portion 64 at the tip thereof to project the projections 35 and 36 of the first grip portion 3. And the engaging claws 32 and 32 are engaged with the engaging grooves 21 and 21 of the trolley wire 2, and the protrusions 55 and 56 of the second grip portion 5 are fitted and the engaging claws 52 are engaged. , 52 are engaged with the locking grooves 42, 42 of the accessory wire 4 and the nut 62 is screwed to fix the first gripping portion 3 and the second gripping portion 5 in a joined state ( (See FIG. 6).
[0026]
At this time, for example, as shown in FIGS. 2 and 3, the wedge screw 7 is disposed between the joint surfaces 31 and 51 of the first grip portion 3 and the second grip portion 5.
[0027]
More specifically, the wedge screw 7 is fitted in the fitting recess 57 formed in the second gripping member 5 by fitting the guide projection 76 in the sliding groove 59, and the guide projection 75 is fitted in the sliding groove 37. A wing nut 73 is screwed to the tip of the screw rod 72 protruding from the side surfaces 40 and 60 of the joining piece 3B and 5A.
[0028]
When the wing nut 73 is screwed, the wing nut 73 comes into contact with the side surfaces 40 and 60 of the joining pieces 3B and 5A. Therefore, when the wing nut 73 is further tightened, the wedge screw 7 is moved to the side surfaces 40 and 60 side. The joining pieces 5A and 5B fixed to each other at the projections 55 and 56 are integrally moved, that is, as shown in FIGS. 4 and 5, are moved upward.
[0029]
Therefore, after adjusting the joining height position of the first gripping part 3 and the second gripping part 5 according to the reduction degree of the accessory wire 4 to be used, the nut 62 is further screwed to tighten the lower surface 43 of the accessory wire 4. And the lower surface 23 of the trolley wire 2 can be at the same height position, so that wear does not increase locally due to generation of a hard point or the like.
[0030]
Thus, according to the present embodiment, the lower surface 43 of the trolley wire 2 and the lower surface 23 of the trolley wire 2 are the same even if the degree of wear of the trolley wire 2 and the degree of wear of the accessory wire 4 to be used do not match. It is easy to hold it so that it is at the height position, and it is not necessary to prepare many types of the accessory wire 4 having a remaining diameter corresponding to the remaining diameter of the trolley wire 2.
[0031]
In particular, the adjustment of the vertical height is not necessary because it requires only a simple operation of rotating the wing nut 73, and the vertical adjustment can be performed continuously by the wedge screw 7, so that fine adjustment is possible. Is also possible.
[0032]
Further, in this embodiment, the guide protrusion 74 of the wedge screw 7 is fitted into the sliding groove 37 formed on the bonding surface 31 of the bonding piece 3B, and another guide protrusion 75 is added to the bonding surface 51 of the bonding piece 5A. The first gripping portion 3 and the second gripping portion 5 are firmly fixed to each other, and both gripping portions 3, 5 are also vibrated by the vibration and push-up of the pan tab rough of the traveling vehicle. There is no worry that the joining position of will shift.
[0033]
FIG. 7 shows a different embodiment of the present invention. The overall configuration and operation and effect are substantially the same as those of the above embodiment, but the end of a dropper 82 suspended from the hinge 8 on the first grip 3. A suspended portion 83 for inserting and locking the portion is provided.
[0034]
Accordingly, since the ear 1 is suspended and supported by the overhead wire 8, it is possible to reliably prevent the occurrence of a rigid point and to support the trolley wire 2 and the accessory wire 4 while maintaining a certain height from the rail surface. It can be done.
[0035]
Note that the embodiment shown in FIG. 7 is merely an example, and the hanging portion 83 may have another conventionally known configuration.
[0036]
【The invention's effect】
According to the present invention, even if the degree of wear of the trolley wire does not coincide with the degree of wear of the accessory wire used, the accessory wire can be held so that the lower surface thereof and the lower surface of the trolley wire are at the same height position. it can. Therefore, the supporting operation of the accessory wire is simple, and it is not necessary to prepare many types of accessory wires having a remaining diameter that matches the remaining diameter that matches the remaining diameter of the trolley wire.
[0037]
In addition, the overall configuration is not complicated compared to the conventional table ear, and it is excellent in terms of manufacturing and price, and there is no concern that the weight becomes heavy and causes a hard point.
[0038]
Further, the adjustment work is very simple just by operating the wedge screw, and fine adjustment is possible because the adjustment of the vertical position changes steplessly.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an exploded state of an embodiment of the present invention.
FIG. 2 is a front view showing an assembled state of the embodiment shown in FIG. 1;
3 is a cross-sectional view taken along line III-III in FIG.
4 is a front view showing the adjusted state of FIG. 2; FIG.
5 is a cross-sectional view taken along line VV in FIG.
6 is a perspective view showing a usage state of the embodiment shown in FIG. 1; FIG.
FIG. 7 is a perspective view showing another embodiment of the present invention.
FIG. 8 is a front view showing a conventional example.
FIG. 9 is a front view showing a different conventional example.
[Explanation of symbols]
2, trolley wire 3, first gripping portion 4, accessory wire 5, second gripping portion 7, wedge screw 31, joint surface 51, joint surface

Claims (1)

A first gripping part for gripping the trolley wire formed separately and a second gripping part for gripping the accessory wire are joined in the lateral direction so that the joining position can be adjusted in the vertical direction and screwed on the upper surface A wedge screw having a wedge portion having a guide projection on each side of a working surface inclined toward the rod direction is transverse to the joint surface between the first grip portion and the second grip portion , and the first grip portion. The joining surface of the first gripping portion having an upper wall surface that is arranged in a direction perpendicular to the joining direction with the second gripping portion and in which the wedge portion of the wedge screw is formed to have the same inclination as the working surface thereof The guide recess formed on the wedge portion is directed laterally toward the joint surface of the second gripping portion while the working surface is fitted to the upper wall surface in the fitting recess formed in It is fitted in the sliding groove formed Te, rotation of the wedge screw Ear for添線section, characterized in that by moving in the transverse direction of the wedge portion is adjustable to the position of junction between the first gripping portion and the second gripping portion in the vertical direction by Rukoto.

Images