JPS61125937A - Insulated trolley line connector - Google Patents

Abstract

PURPOSE:To reduce the number of bending processes of a conductor as well as to shorten a span of working time, by installing each bending piece being projected out of a cover and folded in an almost near right angle, while installing an electric conductor joint having conductor insert holes where these bending pieces are inserted in a state of being superposed on each other. CONSTITUTION:Both insulated trolley lines 1 are made up of cutting away a cover 13 at a spot of the specified distance l away from the end face, and makes the end face of each conductor jut out of the cover 13. And, this conductor projecting pat is bent in an almost near right angle and set down to each bending piece 12a. These bending pieces 12a are made to pass through each conductor insert holes at both upper and lower pieces and each conductor locking screw 28 being screwed in an intermediate piece part of these joint bodies 27. Both bent pieces 12a are made to pass through the conductor insert hole 26 of the joint body 27 in a state of being superposed on each other, and clamped in the superposed direction and locked with each conductor locking screw 28. Therefore, the number of bending processes of the conductor 12 is few, thus working time is reduced.

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to an insulated trolley wire connecting device for interconnecting ends of insulated trolley wires in an insulated trolley system that supplies electricity while moving to a hoist, crane, etc. It is.

[Background technology]

As shown in FIG. 9, the insulated trolley system moves the current collector 2 in contact with the insulated trolley wire l, and
Electricity is supplied from the wiring 3 to the moving negative. The insulated trolley wire 1 is supported at its intermediate portion by a hanger 5 fixed to a construction material 4, and both ends are tightened to the construction material 7 by a tension bolt 8 and a coil spring 9 via an end tension insulator 6.

A power supply line IO for feeding power to the insulated trolley wire l is led out from one terminal tightening insulator 6. A plurality of insulated trolley wires 1 are sequentially connected by a connecting device 11.

As shown in FIGS. 10 to 12, the insulated trolley wire l is made up of a plurality of flat conductors 12 covered with an insulating coating 13, and the lower surface of each conductor 12 is exposed from the coating 13. It is.

The connection device 11 uses a conductor joint 14 and a cover 15,
Connect as follows. The sheath 13 of the insulated trolley wire 1 is peeled off to expose the end of the conductor 12, and the exposed portion is bent at 90°.
Fold. The bent pieces 12a are overlapped to form a ring-shaped conductor joint I4, and the tip of the bent piece 12a is further bent by 90 degrees. In this state, cover 15 is put on.

However, since the end portion of the conductor 12 is bent twice in this way, there is a problem that the number of bending steps is large and the workability is poor. In addition, there is a problem that dimensional accuracy deteriorates due to the large number of bending steps.[Object of the Invention] This invention reduces the number of steps required for bending the conductor, shortens construction time, and improves dimensional accuracy. The purpose of the present invention is to provide an insulated trolley wire connection device that can be used.

[Disclosure of the invention]

The insulated trolley wire connection device of the present invention provides a pair of insulated trolley wires with bent pieces protruding from the sheathing and bent at a substantially right angle at the conductor ends thereof, and conductor insertion holes through which these bent pieces are inserted in an overlapping state. The conductor joint is provided with a conductive joint main body having a conductive joint main body and a conductor fixing screw screwed onto the joint main body and pressing the bent pieces in an overlapping direction.

In this way, the conductor only needs to be bent at one point, and the conductor joints having the conductor fixing screws are used to connect the conductor, thereby shortening the construction time and improving accuracy.

EMBODIMENTS AIN of this invention is shown in FIGS. 1 to 7, and a first Fj! In J, 20 is a separator that covers the ends of a pair of insulated trolley wires 1, and 21 is a separator that covers each conductor 1.
As shown in No. 31iiG, the covering 13 of the insulated trolley wire l is cut off at a predetermined distance W11 from the end surface, and as shown in FIG. The ends of the conductors 12 are made to protrude from the coating 13. Furthermore, a notch 1I24 is formed in the coating 13. The protruding portion of the conductor 12 is bent upward at a substantially right angle as shown in FIG. They are passed through the insertion hole 25, placed one on top of the other, and connected with a conductor joint 21 (FIG. 1). The conductor joint 21 includes a U-shaped joint main body 27 having conductor insertion holes 26 in the upper and lower parts, and the joint main body 27.
The 0-point bent piece 12a consisting of the conductor fixing screw 28 screwed onto the middle piece of the Fix it.

The separator 20 is formed in a downward groove shape and has an upper surface 3.
Conductor insertion holes 25 are formed at locations 11i, and partition walls 29 are protruded between these conductor insertion holes 25. At the lower edges of both flanges 20a of the separator 20, engaging protrusions 30 that engage with the lower surface of the insulated trolley 7 wire 1 are provided to protrude inward over the entire length. Further, below each conductor insertion hole 25, each partition wall 29
Block portion 31 (
5 to 7) is formed, and a conductor support portion 32 on which the bent piece 12a of the conductor 12 is placed on the upper surface of this block portion 31.
is formed.

The cover 22 is formed in a downward groove shape to cover the separator 20, and has a housing H22a protruding from the center in the groove direction.
Moreover, separator engaging protrusions 33 that engage with the lower surface of the separator 20 are provided on the lower edges of both flanges. The cover 22 is for accommodating the exposed bent piece 12a of the conductor 12 and the conductor joint 21 in a housing part 22a to insulate it from the outside. According to this configuration, the conductor 12 is bent at one place and the conductor is fixed. Since the conductor joint 21 having the screw 28 is used for connection, the number of man-hours for bending the conductor I2 is small, and the construction time can be shortened. In addition, since the number of bending steps is small,
Accuracy can be improved compared to conventional methods.

Moreover, since the separator 20 having the above-mentioned configuration is used, the insulated trolley wire 1 is supported by the engaging protrusion 30 of the separator 20, and the conductor 12 is supported by the conductor support part 32, so that they are naturally leveled. Therefore, there is no need to perform any particular leveling work, improving workability, and there is no difference in level between the conductors 12, so there is no problem of disconnection or derailment of the current collector 2 (Fig. 9). Furthermore, insulated trolley wire 1
Since the notch groove 24 is provided in the coating 13 and is fitted into the partition wall 29, positioning of the insulated tree wire 10 in the width direction can also be achieved. Moreover, by forming the notch groove 24, the conductor 1
Since the creepage distance between the exposed parts of 2 is increased, the insulation properties are also improved.

In the above embodiment, the joint body 27 of the conductor joint 21 was formed in a U-shape, but as shown in FIG.
Also, the separator 20 and the cover 2 may be used.
2 may have various other structures.

〔Effect of the invention〕

The insulated trolley wire connection device of the present invention has the advantage of reducing the number of man-hours required for bending the conductor, shortening the construction time, and improving dimensional accuracy.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of an embodiment of the present invention, Fig. 2 is a perspective view of the connection process, Fig. 3 is a perspective view of the insulated trolley wire before its sheath is cut off, and Fig. 4 5 is a cross-sectional view of the same, FIG. 6 is a cross-sectional view of the same with the cut point different from that of FIG. 5, and FIG. 7 is a longitudinal cross-section of the same. side view,
Fig. 8 is a perspective view of a modification of the conductor joint, Fig. 9 is a perspective view of an insulated trolley system, Fig. 1θ is a perspective view of a conventional connection device with the cover removed, and Fig. 11 is a perspective view of the cover attached. Similarly, FIG. 12 is a side view thereof. 1... Insulated trolley wire, 12... Conductor, 12a...
・Bending piece, 13... Covering, 20... Separator, 2
DESCRIPTION OF SYMBOLS 1... Conductor joint, 22... Cover, 25... Conductor insertion hole, 26... Conductor insertion hole, 27... Joint body,
28... Conductor fixing screw, 29... Partition wall, 30...
Engagement protrusion, 32...Conductor support part 1...E-line trolley weave 12a...Conductor 13...Gonki Z! 5 Figure 8 Figure 2

Claims (1)

[Claims] A conductive joint body having bent pieces protruding from the sheathing and bent at a substantially right angle at the conductor ends of a pair of insulated trolley wires, and having a conductor insertion hole through which these bent pieces are inserted in an overlapping state; An insulated trolley wire connection device provided with a conductor joint having a conductor fixing screw that is screwed onto the joint body and presses the bent pieces in an overlapping direction.