JPH09103010A - Cable guide for cable wiring work - Google Patents

Abstract

(57) 【Abstract】 PROBLEM TO BE SOLVED: To securely guide a cable without coming off during cable pulling work, and after the pulling work is completed, by rotating an opening / closing piece, the cable can be easily removed from the cable and extended. Improve workability of line work. SOLUTION: A guide shaft 3 is erected on an appropriate position of a base portion on one end side along a longitudinal direction of a pair of opposing side frames 1, 1 ', and a pivot roller is rotatably supported on the support shaft 2. , Are arranged in parallel along the longitudinal direction of the side frames 1, 1 '. An opening / closing piece 4 which pivotally attaches a base portion to one side frame 1'side and allows a free end portion to be engaged with and disengaged from the other side frame side is provided along the longitudinal direction of the side frames 1 and 1 '. Install it at the proper position on the tip of the other end.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable guide for a cable wiring operation used for smoothly pulling a cable when wiring along a wiring path.

[0002]

2. Description of the Related Art For example, as disclosed in Japanese Utility Model Application Laid-Open No. 62-64110, a wheel of a required length is arranged in a row along a longitudinal direction of the substrate and provided on the wheel. In some cases, the cable is guided by a guide roller so that the cable is pulled smoothly.

[0003]

The above prior art employs a structure in which a frame of a wheel and a guide roller is pivotally supported rotatably and is assembled to a substrate by tightening with bolts and nuts. In order to remove unnecessary guides from the stretched cable, the bolts and nuts must be separated from each other. Yes and dangerous.

The present invention has been made in view of the drawbacks of the prior art, and has been made with the object of providing a cable guide for cable extension work having a novel structure excellent in workability.

[0005]

According to the present invention, there is provided a guide roller having a support shaft erected at an appropriate position of a base portion at one end side along the longitudinal direction of a pair of opposing side frames, and rotatably supported by the support shaft. An opening / closing piece which is juxtaposed along the longitudinal direction of the side frame, pivotally pivotally attaches a base to one side frame, and separates a free end to the other side frame. The basic configuration is that the frame is provided at an appropriate position at the tip of the other end along the longitudinal direction of the frame.

[0006]

During the towing operation, the cable is interposed between the pair of side frames, is slidably in contact with the guide roller, is guided by the rotation of the guide roller, and moves smoothly in the towing direction.

Further, even if the cable tries to come off from between the side frames for some reason during the towing operation, the towing operation can be performed without any trouble without the opening and closing piece regulating and removing the cable.

After the towing operation is completed, the closed state between the side frames is released by detaching the tip of the opening / closing piece from the other side frame, and the guide is removed from the cable.

[0009]

1 to 5 show a first embodiment, FIGS. 6 and 7 show a second embodiment, and FIGS. 8 and 9 show an embodiment of a cable guide for cable wiring work according to the present invention. 9 shows a third embodiment, and FIG. 10 shows a fourth embodiment.

The cable guide A for cable extension work of each embodiment has a base portion on one end side along the longitudinal direction of a pair of side frames 1, 1 'arranged opposite to each other (for convenience of explanation, a "one end portion"). (Referred to as “the base on one end side”), and a guide roller 3 having a support shaft 2 erected at an appropriate position and rotatably supported on the support shaft 2.
Are arranged side by side along the longitudinal direction of the side frames 1, 1 ′, a base portion is pivotally mounted on one side frame 1 ′ side, and a tip portion is mounted on the other side frame 1 side. The basic structure is that the opening / closing piece 4 to be disengaged is provided at an appropriate position at the other end (corresponding to the "one end base") along the longitudinal direction of the side frames 1 and 1 '. .

The support shaft 2 is assembled to the side frames 1 and 1 'by screwing a cap nut 9 to male screw portions provided at both ends.

The side frames 1, 1 'are provided with a piece 5 at the center and at both ends in the longitudinal direction of the substrate 5 which is formed into an arc with a required radius of curvature.
a, 5a, 5a, the base is caulked to the piece 5a, and the restriction pieces 6, 6, 6 are arranged side by side along the longitudinal direction of the substrate. The restricting piece 6 has a cross-sectional groove formed of a pair of side pieces 6a and a pair of side pieces 6b, 6b which are connected to the center piece 6a.
Of the support shaft 2 so as to penetrate the base of the
Is provided between the pair of side frames 1 and 1 ', and the guide roller 3 made of synthetic resin is pivotally supported on the support shaft 7 so as to be rotatable. .

The embodiment has such a basic structure, that is, the guide roller 3 is made of a synthetic resin, and the restricting piece 6 for interposing the cable C is connected to the substrate 5 so that the guide roller 3 is connected to the guide roller 3 of the cable C. Material to prevent the falling off (regulation piece 6 in the example)
) Is not provided except where necessary, thereby reducing the weight and reducing the complexity of handling due to the increase in the weight (the conventional example).

In each of the embodiments, the means for locking the opening / closing pieces provided in such a basic structure are different from each other.
Each embodiment will be described.

[0015]

First Embodiment FIGS. 1 to 5 show a first embodiment, FIG. 1 is a front view, FIG. 2 is a partially enlarged view of FIG. 1, FIG. 3 is a partially cutaway side view, and FIG. FIG. 5 is a front view showing a state in which the locking pipe is removed from one piece, and FIG. 5 is a partially cutaway side view showing the relationship between the opening / closing piece and the guide rod.

In the first embodiment, the side piece 6b constituting the regulation piece 6 is provided between the free ends of the regulation pieces 6 arranged along the longitudinal direction of the substrate 5 constituting the side frames 1 and 1 '. , 6b are pierced so that a reinforcing rod 10 (cap nuts 9 are screwed at both ends to hold the assembled state with the regulation piece 6) is installed, and the regulation piece on one side frame 1'side is provided. 6, the base portion of the opening / closing piece 4 is rotatably supported by the reinforcing rod 10 existing between the side pieces 6b, 6b, and the notch 11 provided at the tip of the opening / closing piece 4 is
The locking means is configured to be locked via a locking tube 12 to a reinforcing rod 10 located between the side pieces 6b of the regulating piece 6 of the other side frame 1 via a locking tube 12.

The opening / closing piece 4 includes a central piece 4a and the central piece 4a.
a side piece 4b, 4b continuously provided on both sides of a.
Are rotatably supported, and a mounting hole 15 is provided in the center of the center piece 4a, and mounting means such as a rope, a mounting bracket or the like for mounting to a suspension wire, a telephone pole or other support is provided in the mounting hole 15. It is like that. That is, the cable guide A for cable wiring work of the first embodiment is used by being attached to a suspension line or other support through attachment means using the attachment hole 15 provided in the opening / closing piece 4.

The opening / closing piece 4 has the side piece 6b of the regulating piece 6 on one side frame 1 'side as described above, with one side piece 4b as a base side.
b, 6b, which is rotatably supported by a reinforcing rod 10 that is located between the side pieces 4b and 6b of the regulating piece 6 of the other side frame 1 with the other side piece 4b side as a free end. Reinforcing rod 10 between 6b
It is adapted to be locked to a portion via a lock tube 12.

The locking tube 12 is movably pivotally supported by the reinforcing rod 10 so as to correspond to each of the restricting pieces 6 provided side by side on the substrate 5, and one side piece constituting the restricting piece 6. 6b, a sufficient insertion hole 1 for the lock tube 12 to enter and exit.
6 (FIG. 4), the locking tube 12 enters and exits between the side pieces 6b, 6b through the through hole 16, and the side piece 6b of the other regulating piece 6 adjacent to the base of the locking tube 12 or the locking tube. 12 and a coil spring 17 wound around the reinforcing rod 10, the distal end of which has a side piece 6b on one side frame 1 side.
6b.

The notch 11 provided at the tip of the opening / closing piece 4
The diameter at the open end is made narrower and the diameter at the back end is made wider so that the reinforcing rod 10 can relatively freely enter and exit through the open end, and can penetrate and lock the locking tube 12. When the locking tube 12 is positioned so as to penetrate the notch 11 (FIG. 5) (the position is held by the coil spring 1).
7), the rotation of the opening / closing piece 4 about the base side is restricted.

At the front end of the opening / closing piece 4, the roller 1
The base of the locking piece 18 is pivotally connected to the base using the pivots 13 of 4...
A locking notch 19 is provided for locking the reinforcing rod 10 (corresponding to the receiving rod in claim 4) via the second notch.

The locking piece 18 is locked to the reinforcing rod 10 at the locking notch 19 via the locking pipe 12 to reinforce the detachment of the tip of the opening / closing piece 4 from the locking pipe 12. In the example, this locking piece 18 is not necessarily required.

The lock tube 12 and the coil spring 1
Locking piece 18 provided at the tip of opening / closing piece 4 by omitting 7
May be locked at the locking notch 19 with the reinforcing rod 10 provided between the side pieces of the regulating piece or a receiving rod (not shown) provided only between the side pieces.

In this case, since there is no special device for holding the locked state of the locking piece 18 and the reinforcing rod 10 or the receiving rod, the diameter of the locking notch 19 provided on the locking piece side with respect to the reinforcing rod 10 or the like is determined. Shape should be considered.

The roller 14 prevents damage caused by the contact of the cable C with the opening / closing piece 4 during the cable pulling operation, and sometimes the cable C comes into contact with the roller 14 so that the roller C rotates and the cable C moves smoothly. Done in

By using the mounting hole 15 formed in the central part 4a of the opening / closing piece 4, the mounting bracket 20 or the rope 21 is used.
And the mounting bracket 20 and the rope 21 are, for example,
After locking or binding the suspension wire to the suspension wire, when the tow rope having the cable C connected to the rear end is inserted between the side frames 1 and 1'and penetrated by the cable guide tool A, the cable C is guided by the guide roller. During the pulling operation, the rope is surrounded by the side frames 1 and 1 ', the guide roller 3 and the opening / closing piece 4, and can be smoothly pulled without being separated from the cable guide A.

When the locking tube 12 is pressed after the towing operation is completed, the locking tube 12 is pushed along the reinforcing rod 10 against the bias of the coil spring 17 so that the notch 11 at the tip of the opening / closing piece 4 is formed.
And the locking piece 18 is rotated, and the locking notch 1
By detaching the opening and closing piece 4 from the reinforcing rod 10 at the portion 9, the opening / closing piece 4 can be turned around the base side, that is, the reinforcing rod 10 on one side frame 1 ′ side. The cable guide A can be removed from the installed cable C.

The reason why the substrate 1 constituting the side frames 1 and 1 'is formed in an arc shape is to pull the cable C along the curved portion with the guide A of the embodiment and use it for the straight portion. The substrate 1 may be made straight.

Further, the reinforcing rod 10 pivotally supporting the locking tube 12 is provided.
As shown in FIG. 1, the locking pipe 1 is provided with a linear portion and the locking pipe 12 is pivotally supported on the linear portion.
The movement along the second reinforcing rod 10 can be performed smoothly.

[0030]

[Second Embodiment] A second embodiment is shown in FIGS. 6 and 7, FIG. 6 is a partially cutaway side view of an essential part, and FIG. 7 is a side view of FIG.

In the second embodiment, the reinforcing rod 10, the locking tube 12, and the coil spring 17 used in the first embodiment are omitted (not used), and the locking having an auxiliary function is performed in the first embodiment. The deformed locking piece 22 is obtained by deforming the piece 18.
Is used as the locking means.

A support rod is erected between the side pieces 6b, 6b of the restriction piece 6 on one side frame 1 'side, and the base of the opening / closing piece 4 is closed by the support rod on the one side frame 1' side. The opening and closing piece 4 is provided with a notch 23 at the front end of the opening and closing piece 4.
Each side piece 6 of the restriction piece 6 on the other side frame 1 side
b, 6b.

The receiving rod (constituted of bolts) 24 is formed by screwing a cap nut 9 on a male screw projecting from the side pieces 6b, 6b and extending between the side pieces 6b, 6b (described above). The supporting rod has the same configuration as the receiving rod 24).
The locking piece 22 provided on the free end side with a locking notch 25 for locking the lock piece 4 with the pivot 1 of the rollers 14,.
3 and pivotally attached to the opening / closing piece 4 so that the locking piece 22
Is composed of a central piece 22a and a pair of side pieces 22b, 22b continuously provided on both sides of the central piece 22a, and the tip end side of the opening / closing piece 4 is interposed between the side pieces 22b, 22b. The spring piece 26 is connected to the opening / closing piece 4 so as to be freely rotatable in such a manner as to overlap with the opening / closing piece 4 on the central piece 22a. When the spring piece 26 moves in the separating direction, the spring piece 26 comes into contact with the opening / closing piece 4 to regulate the movement (rotation), and the locking notch 25 and the receiving rod 24
The mutually locked state is maintained.

During the pulling operation of the cable C, the notch 2
3 and the locking notch 25 are engaged with the receiving rod 24,
Rotation about the one side frame 1 ′ side (about the support rod) is restricted, and when the locking piece 22 is rotated about the pivot 13 against the bias of the spring piece 26, At this point, the cable guide A of the second embodiment can be detached from the cable C by rotating the opening / closing piece 4.

The remaining points are the same as in the first embodiment, and a description thereof will be omitted.

[0036]

Third Embodiment In the third embodiment, a locking hole 8 is provided at the tip of the opening / closing piece 4, and a short rod portion 27a of the locking rod 27 is provided in the locking hole 8.
8 is a side view, and FIG. 9 is a partially cutaway front view.

The locking rod 27 has a long rod portion 27b and a short rod portion 27a which are formed by bending a metal rod slightly in a J-shape and are provided continuously on both sides of an intermediate rod portion 27c. The pair of side pieces 6b, 6b of the restriction piece 6 on the one base frame 1 side are provided with through holes 28, 28 on the base side of the side piece that match each other between the side pieces 6b, 6b. Through holes 29, 2 at the end
9 is provided, and the long rod portion 27b of the locking rod 27 is penetrated through the through holes 28, 28 on the base side of the side piece so as to be movable on the side pieces (on one of the base frames 1) 6b, 6b. And one side piece 6b and the side piece 6b project from the side piece 6b.
A pressing spring 31 wound around the long rod portion 27b is interposed between the free end portion of the long rod portion 27b to which the 0 is screwed. Further, the short rod portion 27a of the locking rod 27 penetrates through the through holes 29 on the free end side of the side piece, and the penetrating state is maintained by the urging of the pressing spring 31. 6b, 6b. That is, the long rod portion 27 is pressed against the bias of the pressing spring 31.
When b is pressed, the short rod portion 27a is positioned so as to be disengaged from the through hole 29 of the one side piece 6b and slightly project from the through hole 29 of the other one side piece 4b. (Shown in FIG. 9, the two-dot chain line), contracted pressure spring 3
1 is interposed between the cap nut 30 and the one side piece 4b, thereby preventing the short rod portion 27a from coming off the through hole 29. When the pressing state of the long rod portion 27b is released, the short rod portion 2 is released.
The short rod portion 27a of the locking rod is attached to the restricting piece 6 so that 7a automatically returns to the original state again.

The locking hole 8 provided at the tip of the opening / closing piece 4
The side pieces 6b, 6 of the restricting piece 6 of one of the side frames 1 are located on the path of movement of the short rod 27a of the locking rod 27.
b is disengaged and the locking hole 8 located on the path of the movement trajectory is
The short rod portion 27a is made to penetrate by using the urging force of the pressing spring 31 (the state shown in FIG. 9), and the rotation of the opening / closing piece 4 is regulated to maintain the state during the cable pulling operation.

When the long rod 27b is pressed after the cable pulling operation as described in the first embodiment, the locking rod 27 moves against the urging of the pressing spring 31, and the short rod 2
7a is disengaged from the locking hole 8, and the opening / closing piece 4 is rotated about the support rod 32, whereby the guide A of the third embodiment is provided.
Can be removed from the cable C.

A supporting rod 32 composed of bolts is screwed with a cap nut at the tip, and is bridged between the side pieces 6b, 6b of the restricting piece 6 of one side frame 1 '. Is pivotally supported on the regulating piece 6 by the support rod 32, and the support rod of the second embodiment is the same. It is advantageous to interpose a spacer pivotally supported by the support rod 32 between the base of the opening / closing piece 4 and the side pieces 6b, 6b because the movement of the opening / closing piece 4 along the supporting rod 32 is beneficial.

The remaining points are the same as in the first embodiment, such as providing an opening / closing piece corresponding to each regulating piece, and a description thereof will be omitted.

[0042]

Fourth Embodiment FIG. 10 is a partially cutaway side view of the fourth embodiment. The opening / closing piece 4A of the fourth embodiment is constituted by a rod, and a support rod 32 similar to that of the third embodiment has a circular base. The hook 34 on the distal end side is hooked on the receiving rod 24 similar to that of the second embodiment by using elasticity.

The open / close piece 4A of the fourth embodiment is used in combination with the open / close pieces of the other embodiments. For example, it is used instead of the left and right opening pieces 4 and 4 shown in FIG.
2 or of course the coil spring 17 is omitted), to reduce the weight of the cable guide and to simplify the opening / closing or locking means.

[0044]

The present invention has the configuration described above,
At the time of cable pulling work, it can be reliably guided without disconnecting the cable, and after the pulling work is completed, it can be easily removed from the cable by rotating the opening and closing piece,
In addition, it is possible to reduce the possibility of the bolt or the like from dropping, and to improve the workability of the wire drawing operation.

[Brief description of the drawings]

FIG. 1 is a front view of a first embodiment.

FIG. 2 is a partially enlarged view of FIG. 1;

FIG. 3 is a partially cutaway side view of the first embodiment.

FIG. 4 is a front view of a state in which a locking tube is removed from an opening / closing piece.

FIG. 5 is a partially cutaway side view showing the relationship between the opening / closing piece and the guide rod.

FIG. 6 is a partially cut-away side view of a main part of the second embodiment.

FIG. 7 is a side view of FIG. 6;

FIG. 8 is a side view of the third embodiment.

FIG. 9 is a partially cutaway front view of the third embodiment.

FIG. 10 is a partially cutaway side view of the fourth embodiment.

[Explanation of symbols]

 Reference Signs List A Cable guide C Cable 1, 1 'Side frame 2 Support shaft 3 Guide roller 4 Opening / closing piece 4a Central piece 4b Side piece 5 Substrate 5a Part 6 Restriction piece 6a Central piece 6b Side piece 8 Lock hole 9 Cap nut 10 Reinforcement rod 11 Notch 12 Lock tube 13 Axis 15 Mounting hole 16 Insertion hole 17 Coil spring 18 Locking piece 19 Locking notch 22 Locking piece 23 Notch 24 Receiving rod 25 Locking notch 26 Spring piece 27 Locking rod 27a Short rod Part 27b Long rod part 28 Through hole on one side base part side 29 Through hole on one side free end side 31 Press spring 32 Support rod

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[Procedure amendment]

[Submission date] August 20, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0026

[Correction method] Change

[Correction contents]

By using the mounting hole 15 formed in the central part 4a of the opening / closing piece 4, the mounting bracket 20 or the rope 21 is used.
And the mounting bracket 20 and the rope 21 are, for example,
After being hooked or tied to the suspension line, a tow rope connected to the cable C at the rear end is passed through the cable guide A so as to be interposed between the side frames 1 and 1 'and towed. During the towing operation, the cable is surrounded by the side frames 1, 1 ', the guide roller 3, and the opening / closing piece 4, so that the cable can be pulled smoothly without detaching from the cable guide A.

Claims (6)

[Claims] 1. A longitudinal direction of the side frame, wherein a supporting shaft is installed at a proper position of a base portion on one end side along a longitudinal direction of a pair of opposing side frames, and a guide roller pivotally supported by the supporting shaft is rotatably supported. Opening and closing pieces that are arranged side by side along the direction of the side frame and that pivotally attach the base portion to one side frame side and engage and disengage the free end portion from the other side frame side in the longitudinal direction of the side frame. A cable guide tool for cable wiring work, which is provided at a proper position on the other end along the end. 2. The cable guide for cable wiring work according to claim 1, wherein the side frame is composed of a substrate and a plurality of restricting pieces arranged in parallel along the longitudinal direction of the substrate with a base portion attached to the substrate. Ingredient 3. A restricting piece is constituted by a cross-section groove body composed of a central piece and a pair of side pieces that are continuously provided so as to be opposed to the central piece, and the pair is provided between the free ends of the restricting pieces. A reinforcing rod is pierced through the side piece of, a coil spring is wound around the reinforcing rod, and a locking pipe biased by the coil spring in one direction of the regulating rod is movably supported on the reinforcing rod. An insertion hole for engaging and disengaging the locking tube is provided on one side piece,
3. The cable wiring work according to claim 2, wherein a guide rod is relatively freely movable in and out at a tip end portion of the opening / closing piece engaging between the side piece pieces, and a notch for locking the locking tube through is provided. Cable guide. 4. A receiving rod for rotatably pivoting a base of a locking piece to a tip of an opening / closing piece and locking a locking notch provided at a tip of the locking piece to the other side. The cable guide for cable wiring work according to claim 1, which is provided on a frame side. 5. A spring piece which is in contact with a side frame and regulates the rotation when the opening / closing piece is rotated in a direction to release the locking notch from the receiving rod. The described cable guide for cable wiring work. 6. A restriction piece on one side frame side is constituted by a cross-sectional groove body composed of a central piece and a pair of side pieces connected to the central piece, and the pair of restriction pieces is formed. The side piece of the side piece is provided with a through hole on the side piece base side and a through hole on the side piece free end side, which are mutually coincident between the side pieces, and the pair of through holes on the side piece base side are intervened. The locking rod consisting of a long rod portion and a short rod portion, which are continuously connected to both sides of the rod portion, penetrates through the long rod portion and is movably installed between the side pieces, and one side portion of the regulating piece A pressing spring wound around the long rod is interposed between the piece and the free end of the long rod protruding from the side piece, and the one side is resisted against the bias of the pressing spring. The short rod part of the locking rod that is separated from the through hole on the side end free end side provided on one piece penetrates the through hole on the side end free end side provided on the other one side piece. Let the other At the tip of the opening / closing piece whose base is rotatably pivotally attached to one of the side frames, a through hole for inserting and removing the short rod is provided between the pair of side pieces of the restriction piece. The cable guide for cable wiring work according to claim 2.