JPH05319148A - Dropper catenary device for electric overhead line - Google Patents

Abstract

PURPOSE:To quicken and facilitate installation work of a dropper catenary device of an electric overhead line. CONSTITUTION:A dropper catenary device of an electric overhead line is constituted of a dropper clip 1 to install a catenary wire with a revolving shaft to hook a rod head part, a dropper metal fitting 3 to support an auxiliary catenary wire having a pulley to support the auxiliary catenary wire and installed with a rod insertion wedge device 5 on its upper part and a rod 2 hooking its head part on a revolving shaft to hook the rod head and held by the rod insertion wedge device 5 by way of inserting its lower end into it. Therewire, it is possible to firmly connect the lower end of the rod 2 and the dropper metal fitting 3 by only operation of inserting the lower end of the rod 2 hanging from the dropper clip 1 into the rod insertion wedge device 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dropper suspension device which is attached to a suspension line of an electric power line to suspend an auxiliary suspension line.

[0002]

2. Description of the Related Art A conventional dropper suspension device for suspending and supporting an auxiliary suspension line which is stretched above a power line and suspends the power line is provided with two auxiliary suspension lines attached to the upper suspension line. The dropper clip and the dropper metal fitting that supports the auxiliary suspension wire below it are connected to each other by two lines in an inverted C shape, but the end treatment of the wire is connected to the dropper clip and the dropper metal fitting. The wire ends were wound or bent around the wire itself to be processed.

[0003]

As described above, the work of winding the end of the wire connected to the dropper clip and the dropper metal fitting around the wire requires a long period of skill and a long time, and
It was not easy to complete the work properly.

It is an object of the present invention to provide a dropper suspension device which enables quick and accurate mounting work of the dropper suspension device.

[0005]

Means for Solving the Problems In order to achieve the above-mentioned object, a dropper suspension device for an electric power line of the present invention includes (1) a rod top hooking rotary shaft 20 for hooking the top part of a rod 2. Attached dropper clip 1 and pulley for supporting auxiliary suspension wire
The dropper fitting 3 having a rod insertion wedge device 5 and a top of the dropper clip 1 of the dropper clip 1 is hooked to the rod top engaging pivot shaft 20 and the lower end of the dropper fitting 3 is attached to the rod insertion wedge device 5 of the dropper fitting 3. It is characterized in that it is provided with a rod 2 which is inserted into and gripped.

(2) Further, in the dropper clip 1 of the above (1), the holding halves 11 and 12 having the hanging wire holding recess 14 at the upper portion and the rod top locking shaft 20 attached to the lower portion are used to lock the lock levers 19. It is characterized in that the rod top portion is hooked on the rotating shaft 20 by tightening with and coupling.

(3) Further, the dropper fitting 3 of (1) above
Is characterized in that the opening / closing plate 40 is provided on the front surface, the auxiliary suspension wire supporting pulleys 48 are attached to the inside, and the rod inserting wedge devices 5 are attached to both ends of the upper portion.

(4) Further, in the rod insertion wedge device 5 of (1), the wedge releasing pipe 56 is fitted and inserted into the upper end of the tapered cylinder case 51 having the mounting shafts 55 projecting on both sides of the lower part. It is characterized in that wedge plates 57, 57 are fitted therein and a spring 58 is installed at the lower end thereof.

[0009]

[Function] In the dropper clip 1, when the lock lever 19 is loosened, the suspension wire sandwiching recesses 14 and 14 of the sandwiching halves 11 and 12 facing each other are widened so that the suspension wire A can be inserted between them. When the lock lever 19 is tightened, the suspension wire is firmly clamped and can be detachably attached to the suspension wire. Rotating shaft 20 for hooking the rod top installed in this dropper clip 1
The rod 2 having the upper end hooked below suspends and supports the dropper fitting 3 for supporting the auxiliary suspension wire B below the suspension wire A.

In the dropper metal fitting 3, when the opening / closing plate 40 is opened, it is possible to put the auxiliary suspension wire B on the pulley 48 for supporting the auxiliary suspension wire inside, and when the opening / closing plate 40 is closed, the auxiliary suspension wire B can be escaped. To be prevented. The pulley 48 supports the auxiliary suspension wire B movably in the longitudinal direction without fixing it.

In the rod insertion wedge device 5, the wedge plate 57 is automatically strongly gripped by simply inserting the rod end into the wedge release tube 56 at the upper end. When the wedge release tube 56 at the upper end is pushed down, the wedge plate 57 is pushed down to separate from the rod, and the grip of the rod can be released.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 shows one embodiment of a dropper suspension device for a train line of the present invention, FIG. 2 shows a side face of a dropper clip 1, FIG. 3 shows its front face, FIG. 4 shows its holding half, and FIG. 5
Shows the rotating shaft 20 for hooking the rod top and the rod 2. As shown in FIG. 1, the dropper suspension device for train lines of the present invention is
The dropper clip 1 includes a dropper metal fitting 3 and a rod 2 whose upper end is hooked on the dropper clip 1 and whose lower end is gripped by the dropper metal fitting 3.

As shown in FIG. 4, the dropper clip 1 has one holding half body 11 and the other holding half body 12 opposite thereto, and each of the holding half bodies 11 and 12 has a peripheral side plate portion 13. A suspension wire sandwiching concave portion 14 provided on both side plates of the peripheral side plate portion 13, a shaft plate hole 15 provided at a central portion, and a shaft support convex portion 16 provided on an inner surface of the lower portion. Both the sandwiching halves 11 and 12 are opposed to each other as shown in FIG. 2, and as shown in FIG. 2 and FIG.
Fit the holes 21 (Fig. 5) at both ends of the rod top latching rotation shaft 20 into the two clamping halves 11 and 12, and rotatably mount the rod top latching rotation shaft 20 between the two clamping halves 11. Shaft plate hole in the center of body 11, 12
A U-shaped shaft plate 17 is inserted into 15 (FIG. 4), a lock lever 19 is attached to the protruding end of the shaft plate 17 with a pin 18, and both clamping half bodies 11 and 12 are combined.

The rotation shaft 20 for locking the rod top portion is shown in FIG.
It is also possible to use a rotating shaft having projecting shaft portions 23 and 24 at both ends as indicated by a broken line. In this case both clamping halves
Instead of the shaft-supporting convex portion 16, shaft-supporting holes into which the projecting shaft portions 23 and 24 at both ends of the rotating shaft are fitted are provided in the lower inner surfaces of the shafts 11 and 12.

As shown in FIG. 2, when the lock lever 19 is lowered downward and the lower edge portion 19a is in contact with the surface of the holding half body 11, both holding half bodies 11 and 12 are firmly locked. Therefore, the suspension wire A can be sandwiched between the suspension wire sandwiching recesses 14, 14 on the upper portions of both the sandwiching halves 11, 12. Also, the lock lever
When 19 is made horizontal and the slanted edge 19 is brought into contact with the surface of the holding half body 11, the two holding half bodies 11, 12 are unlocked and the suspension wire holding recesses 14, 14 open, so that the suspension overhead wire A On the other hand, the dropper clip 1 can be attached and detached.

As shown in FIG. 1, the two dropper clips 1 having the two sandwiching halves 11 and 12 assembled therein are attached to the suspension wire A by sandwiching them at appropriate intervals. In addition, as shown in FIG. 5, the rod 2 is inserted into the hole 22 of the rod top latching rotary shaft 20 between the sandwiching halves 11 and 12, and the top 25 thereof is latched. As shown in FIG. 1, the lower end is a dropper fitting 3 for supporting the lower auxiliary suspension wire B.
Connect to. Since the rod top latching rotary shaft 20 is rotatably mounted, the rod 2 hooked and suspended by the rotary shaft 20 can freely change its hanging direction.

The dropper fitting 3 is shown in a front view of FIG.
As shown in FIG. 7 of the side view, the J-shaped plate portion 31, the opening / closing plate 40,
It has a beam plate portion 43, a connecting shaft 46, and a pulley 48 for supporting an auxiliary suspension wire. The J-shaped plate portion 31, as shown in FIG. An opening / closing plate locking piece 37 is cut and raised near the upper edge of the back plate 32 and the front plate 36.
The shaft holes 38, 38 are provided in the. 39 is a reinforcing rib. Further, as shown in FIG. 9, the opening / closing plate 40 has a coupling shaft hole 41 in the center and a locking elongated hole 42 in the lower part. In addition, the beam plate portion 43, as shown in FIG.
Rod gripping device mounting holes 45 are provided at both ends thereof.

As shown in FIGS. 6 and 7, the J-shaped plate portion 31, the opening / closing plate 40, and the beam plate portion 43 have the connecting shaft hole 34 and the opening / closing plate 40 at the center of the lateral beam portion 33 of the J-shaped plate portion 31. The connecting shaft 46 is inserted through the connecting shaft hole 41 of the beam plate portion 43 and the connecting shaft hole 44 of
A pulley 48 for supporting an auxiliary suspension wire is attached between the back plate portion 32S and the front plate portion 36 by passing a pulley shaft 49 through shaft holes 38 (FIG. 8) of the back plate portion 32 of the shaped plate portion 31 and the front plate portion 36. The opening / closing plate 40 closes the front surface by locking the locking elongated hole 42 (FIG. 9) to the locking piece 37 of the front plate portion 36 of the J-shaped plate portion 31, and if this locking is released, the opening / closing plate 40 is released. Can be opened. Further, between the horizontal beam portion 33 and the beam plate portion 43 of the J-shaped plate portion 31, the rod insertion wedge device 5 is mounted between the rod gripping device mounting holes 35 and 45 at both ends.

The rod insertion wedge device 5 is as shown in FIG. 11 showing the front face in a right half section, FIG. 12 showing its side face, FIG. 13 showing its bottom face, and FIG. 14 showing the bottom face of its tapered cylindrical case 51. In addition, a central circular hole 52 is provided inside the tapered cylindrical case 51, and an elongated wedge groove is provided from the bottom surface facing the diameter line.
53, 53, and upper end hole 54, mounting shafts 55, 55 are projectingly provided on both lower sides of this cylindrical case, a wedge release pipe 56 is inserted into the upper end hole 54, and wedge plates are formed in the elongated wedge grooves 53, 53. 57 and 57 are fitted, a spring 58 is installed in a central circular hole 52 below the wedge plates 57 and 57 by elastic force, and the bottom opening is closed by a bottom cap 59.

The wedge plate 57 is, as shown in FIG.
A serrated tooth portion 57a is provided on one straight plate edge and the other plate edge is formed as a tapered edge 57b. Also, the bottom cap 59 is shown in FIG.
As shown in FIG. 6, standing walls 59c and 59c are provided on the periphery of the disk portion 59b having the central hole 59a, and the standing walls 59c and 59c are attached so as to sandwich both sides of the bottom of the cylindrical case 51.
Close the opening at the bottom with b and press the spring 58 so that it does not fall off.

The rod inserting wedge device 5 is shown in FIG.
When the lower end of the rod 2 shown by the chain line is inserted into the wedge release pipe 56 at the upper end, the rod tip is inserted into the central circular hole 52 while pushing down the wedge plates 57, 57 against the spring 58 as shown in FIG. , If the insertion of the rod tip is stopped, the wedge plates 57, 57 are pushed up by the spring 58 and the tapered edge 57 of the wedge plate is
Since b is pushed by the inner surface of the tapered cylindrical case 51, the serrated teeth 57a automatically and strongly grip the lower end of the rod 2. To release the grip of the wedge plate 57, the wedge release pipe 56 at the upper end is pushed down, and the wedge plates 57, 57 are pushed down by the pipe end against the spring 58, so that the wedge plates 57, 57 are separated from each other. The grip of the rod 2 can be released.

In the rod insertion wedge device 5 constructed as described above, the mounting shaft portions 55, 55 projecting to both sides of the lower portion are attached to both upper ends of the dropper fitting 3 as shown in FIG.
This mounting is performed by inserting the above-mentioned mounting shaft portion between the wedge device mounting holes 35 and 45 at both ends of the horizontal beam portion 33 and the beam plate portion 43 above the J-shaped plate portion of the dropper fitting 3 shown in FIGS. 55, 55 are fitted together, and the rod insertion wedge device 5 is attached so as to be rotatable between the horizontal beam portion 33 and the beam plate portion 43. The chain line 5 in FIGS. 6 and 7 shows the rod insertion wedge device 5 thus mounted. Since the rod insertion wedge device 5 is rotatable as described above, it can be freely rotated in the hanging direction of the rod.

As described above, the dropper fitting 3 having the two rod insertion wedge devices 5 attached to both upper ends thereof opens the opening / closing plate 40 and introduces the auxiliary suspension wire B onto the pulley 48 as shown in FIG. To do. The two rod insertion wedge devices 5, 5 of the dropper metal fitting 3 are inserted with the respective lower ends of the rods 2, 2 lowered from the two dropper clips 1, 1 attached to the upper suspension overhead wire A at intervals. As shown in FIG. 11, the wedge plate 57 is automatically gripped. In this way, as shown in FIG. 1, the two dropper clips 1 are attached to the suspension overhead wire A by being sandwiched between them at appropriate intervals, and the lower end of the rod 2 hooked on the rod top hooking rotary shaft 20 is attached. Insert it into the rod insertion wedge device 5 of the dropper fitting 3 and hold it.
The auxiliary suspension wire B is supported on the pulley 48 of the dropper fitting 3. This auxiliary suspension overhead wire B suspends an electric line C indicated by a chain line.

[0024]

As described above, according to the dropper suspension device for a train line of the present invention, a rod top locking shaft for locking the top of the rod is attached to the dropper clip to lock the upper end of the rod. Since the rod insertion wedge device is attached to the dropper fitting and the lower end of the rod is inserted and gripped, the wedge plate is automatically inserted only by inserting the end of the rod hanging from the dropper clip into the drop insertion fitting rod insertion wedge device. Since it is not necessary to form the wedge plate into a semi-cylindrical shape as in the conventional case, the weight can be reduced and the cost can be reduced.

Since the dropper clip can be tightened and released by the lock lever, it can be attached to and detached from the suspension overhead wire, and the dropper metal fitting can be easily attached to the auxiliary suspension overhead wire by opening and closing the front opening / closing plate. Also,
Since the wedge releasing tube is provided in the rod insertion wedge device attached to the dropper fitting, it is possible to release the grip of the rod by the wedge plate. Therefore, the work of attaching the dropper suspension device can be performed easily and quickly.

[Brief description of drawings]

FIG. 1 is a diagram showing an embodiment of the present invention.

FIG. 2 Side view of dropper clip

FIG. 3 Front view of dropper clip

FIG. 4 is a perspective view of a sandwiching half of a dropper clip.

FIG. 5 is a perspective view of a rotation shaft for locking the rod top portion.

[Figure 6] Front view of the dropper bracket

[Figure 7] Side view of the dropper bracket

FIG. 8 is a perspective view of a J-shaped plate portion of the dropper fitting.

FIG. 9 is a perspective view of the opening / closing plate.

FIG. 10 is a perspective view of a beam plate portion.

FIG. 11 is a front view of the right half of the rod insertion wedge device in section.

FIG. 12 is a side view of the rod insertion wedge device.

FIG. 13 is a bottom view of the rod insertion wedge device.

FIG. 14 is a bottom view of the tapered barrel case of the rod insertion wedge device.

FIG. 15 is a perspective view of a wedge plate.

FIG. 16 is a perspective view of the bottom cap.

[Explanation of symbols]

 1: Dropper clip 11, 12: Clamping half body 14: Suspended suspension wire clamping recess 19: Lock lever 2: Rods 20, 24: Rotating shaft for rod top latching 3: Dropper metal fitting 40: Open / close plate 48: Auxiliary suspension cable support Pulley 5: Rod insertion wedge device 51: Tapered tube case 56: Wedge release tube 57: Wedge plate 58: Spring A: Suspended wire B: Auxiliary suspended wire

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Sadage Natsu 2-1-1-19 Hiromachi, Shinagawa-ku, Tokyo East Japan Passenger Railway Co., Ltd. 12-22-6 Hamamatsu-cho, Minato-ku, Tokyo Stock company Asaba Works (72) Inventor Shigeo Kimura 1-2-22 Hamamatsu-cho, Minato-ku Tokyo Tokyo Asaba Works

Claims (4)

[Claims] Claims: 1. A dropper clip having a rotation shaft for hooking a rod top, a dropper metal fitting having a pulley for supporting an auxiliary suspension wire and a wedge device for inserting a rod, and a rod top hooking portion of the dropper clip. A dropper suspension device for an electric train line, comprising: a rod that is hooked on a moving shaft at a top portion thereof and a lower end thereof is inserted into a rod insertion wedge device of the dropper fitting to be gripped. 2. A suspension lever holding recess is provided in the upper portion, and two holding halves each having a rod top locking shaft attached to the lower portion are tightened and coupled by a lock lever, and the rod top is hooked on the rotating shaft. A train dropper clip characterized by being stopped. 3. A dropper fitting for a train line, comprising an opening / closing plate, an auxiliary suspension wire supporting pulley, and a rod inserting wedge device. 4. A dropout metal fitting for an electric railway line, wherein a wedge releasing pipe is fitted and inserted into an upper end of a tapered cylindrical case having mounting shafts projecting from both sides of a lower portion, and a wedge plate is provided in the tapered cylindrical case. Rod insertion wedge device.