JPH10243514A - Cable lead guide device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the guide mechanism at especially for the bend of a cable lead rope. SOLUTION: A cable guide device which can lead and guide a cable to a stringing machine 8 for cable laying installed on the laying rout 1 is constituted by pivoting guide pulleys 2 severally on a plurality of posts 10, and stretching a cable lead rope 3 capably of running with the drum torque of a winch through these pulleys 2, and inserting and locking a cable hanger 6 freely and capably of rotation in the lateral hole through a lateral groove for the rope passage to a short flanged locked pipe inserted and fixed to the rope 3, and coupling the tip of a cable 7 with a rotating piece via the hinge of the hinge of the hanger 6, and guide pulleys are pivoted severally on a rotating arm and a planted arm of springy return installed adjacently on the backward trip of the lead rope 3, and the rope 3 is laid over each of these pulleys, and the erected plate of each arm is fixed, opening the relative interval between each arm and the next coercively, resisting the recovery elasticity of the rotating arm, whereby the length of the stretched cable lead rope 3 and the tension can be set.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable leading guide device which is suitable for use in laying large cables for power distribution in power plants and substations, and for laying electric circuit cables in large ships.

[0002]

2. Description of the Related Art Conventionally, as a cable laying method, for example, there has been a method described in Japanese Patent Application Laid-Open No. 60-5712. In this conventional technique, a rope is laid in a closed loop on an electric path for laying a cable through a guide such as an infinite rail winch and a pulley, a rope clip is attached to an arbitrary position of the rope, and the cable clip is attached to the rope clip. A cable laying method characterized by laying a cable in an electric circuit by connecting a cable through an infinite rail winch through a cable.

[0003]

According to the above-mentioned prior art, for example, a cable is introduced from a cable drum installed on a deck near an electric circuit, and a ring-shaped connecting member called a carabiner is interposed between the cable clips and a rope clip is provided. Connect to the hole provided in. In this method, a carabiner in which a cable is fixed to a cable clip is opened, the clip and a hole of a rope clip are connected, and the carabiner is closed.

Next, in order to attach a nylon rope to the three U-shaped openings provided in the rope clip in a double S-shape, the rope is forcibly slackened against its tension, and the rope slack portion is formed. After being attached to three of the U-shaped openings of the lobe clip, the endless rail winch is driven, the rope is conveyed, the cable is pulled, and the cable is laid at a predetermined position on the electric circuit.

[0005] Then, to remove the rope clip from the rope, forcibly loosen the rope again against its tension, loosen the rope, and attach the rope clip to the rope clip at the slack portion of the rope in order to lay the next cable. If the rope is attached in a double S-shape and the cable is connected using a carabiner at this position, the cable can be laid again by the driving force of the winch.

[0006] However, the rope in this conventional example,
A number of fixed-length items are connected in series, and the extra length is cut, so there is a lot of rope waste.Moreover, it is necessary to use a flexible nylon rope because it is necessary to clasp and loosen the rope clip on the rope, Even if you can not use a thin and strong steel wire rope, even if you forcibly use this wire rope, the above-mentioned rigid wire rope can not be bent and lashed to the rope clip in a double S shape, The clip easily slips on a straight wire rope, and the rope clip twists around the rope with the cable due to the twisting of the twisted rope that occurs on the wire rope or nylon rope due to the cable pulling rope tension, There is an essential and serious problem that there is a risk of becoming unusable.

If the rope has much slack, the rope is likely to come off from the guide pulley. On the other hand, if the rope is stretched with a small amount of slack, the rope clip will slip more, and the rope clip will not be easily entangled or loosened with the rope. Therefore, there is a mutually inconsistent problem that a personal injury occurs in which a finger is pinched between the rope and the rope clip.

Further, apart from the above-mentioned conventional example, the one described in, for example, JP-A-7-245834 is also well known. This prior art includes a horizontal guide device disposed above a horizontal bent portion of a bent cable tray, a vertical guide device disposed above a vertical bent portion of a cable tray, and the horizontal guide device and the vertical guide device. A driving wire guided and tensioned and movable by a driving device, a cable hook fixed to a required position of the driving wire and connecting an end of a control cable, and a driving wire moved in a predetermined direction. A cable receiving roller which extends to a position for receiving the weight of the control cable when retracted, and which retreats from the position for receiving the control cable by the movement of the drive wire in the reverse direction, and is disposed at a required interval along the drive wire. And a cable supporting device.

The main point of this conventional example is to move the drive wire in the opposite direction after the cable is drawn,
The cable receiving roller is retracted from below the cable, and the cable is dropped into the cable tray to be laid. The drive wire and the cable hook drive the wire in a state where the cable hook is suspended and fixed to a plate fixed to the lower surface of the pipe called a one-touch joint. In the wire guide in the part, the structure is complicated because a large number of roller pairs need to be arranged in an arc shape, and in addition to requiring a large space, the wire must be guided by sandwiching the wire together with the cable hook with a pair of rollers,
There are many problems that the guide roller mechanism becomes more complicated and expensive.

[0010] In addition, as in the previous example, since a desired wire length is set by cutting the extra length of the serially connected wire, there is also a problem that the wire is wasted.
Furthermore, by providing a dancer roller using a linear actuator between the drum that unwinds and winds a linear or band-shaped material with a variable speed motor, and by controlling the tension of the wire, high-precision tension is applied. , JP 6
Japanese Patent Application Laid-Open No. 2-26084 is also well known.

In this conventional example, a line pulley, a dancer roller,
Winds up on a drum driven by a DC motor via a line pulley and a line speed detector. The servo amplifier controls the electric motor according to a command for setting the speed. A constant current is generated by the output of the tension setting device, and the actuator of the dancer roller is driven to move the roller. The feeding speed is calculated from the displacement position of the actuator and the linear speed detected by the speed detector, and the rotation of the electric motor is controlled. Thus, the tension of the electric wire can be precisely adjusted to a predetermined value.

Therefore, the above-mentioned conventional example can be used for small-drum subdivision winding of a wire or a band-shaped material such as an electric wire after a large-drum is fed out, but it can be applied as it is to an endless reciprocating traveling system of a cable leading rope. However, since the position of the line pulley paired with the dancer roller is not fixed, there is an essential problem that the rope between the cable laying paths cannot be adopted as a configuration for setting the length.

According to the present invention, in order to eliminate the above-mentioned problems, when a cable leading rope is stretched along a cable laying path, a plurality of fixed-length ropes are connected in series without cutting. It is designed to absorb the extra length easily, eliminating waste of the rope, making it possible to quickly and reliably attach and detach the cable to and from the cable leading rope, and to prevent the rope from being twisted due to its untwisting. It is an object of the present invention to simplify the guide mechanism of a cable leading rope, particularly at a bent portion, while preventing the cable from sticking to the rope.

[0014]

SUMMARY OF THE INVENTION It is an object of the present invention to pivotally support guide pulleys on a plurality of posts erected along a twisted and twisted cable laying path, and to connect a cable leading rope via these pulleys. The cable hanger is freely rotatably inserted in the lateral hole through the lateral groove for rope insertion through a short groove for inserting a rope into a short narrow tube which is inserted and fixed to the rope. Lock, connect the tip of the cable to the rotating piece via the hinge of the hanger,
A cable guide device capable of leading this cable to a cable laying wire drawing machine installed on the laying path is configured, and a resilient return pivot arm and a planting arm adjacent to the return path of the cable leading rope are respectively provided. The guide pulleys are pivotally supported, ropes are stretched over these pulleys and stretched, and the relative distance between the arms is forcibly separated against the return elasticity of the rotating arm to fix the standing position of each arm. Thus, it was possible to set the tension length and the tension of the cable leading rope, thereby achieving the object.

[0015]

Embodiments of the present invention will be described with reference to the drawings. First, as shown in FIG. 1 and FIG. 2, a basic structure of the present invention is a pulley pivot supported on a trough inner flange or the like on a cable laying path 1 such as a twisted and bent U-shaped inner flange trough. A guide pulley 2 is horizontally supported on a post 10 for use, and a cable leading rope 3 such as a metal wire rope is disposed at both ends of the laying path 1 via the guide pulley 2, and a U-turn pulley. The leading rope 3 is stretched so as to be able to run endlessly along the laying path 1 by the rolling force of the winch 4 around the winding drum.

3 (a), 3 (b), 3 (c), 3 (c), 3 (c), and 3 (c), wherein a cable hanger 6 is attached to a flanged locking tube 5 made of a short thin tube inserted and fixed at an arbitrary position of the rope 3 with a set screw n. As shown in FIG. 4, the distal end of the power distribution heavy cable 7 drawn out from the cable drum D is connected to the hanger 6 in advance in the connecting portion 66. As shown in FIGS. 2 and 5, the untwist 7A and the well-known connecting long net bag 7B are connected to the connecting ring 66a of the rope connecting portion 66 in FIGS. 3 and 4 as shown in FIG. A cable guide device capable of leading the cable 7 to the installation path 1 is provided.

The flanged locking tube 5 in this device is made of a strong cylindrical thin tube having an outer flange 5a on the lower side in the direction of travel of the rope as shown by the arrow in FIG. As shown in FIG. 4, a lateral groove 61 for inserting a rope,
A main piece 63 having a horizontal hole 62 connected to the lateral groove and passing the flanged thin tube 5 to the outer flange 5a; a rotating piece 65 pivotally connected to a lower side of the main piece 63 by a hinge 64; A cable connection portion 66 made of a wire rope is provided on the rotating piece so as to protrude with a set screw n.

The mounting ring 66 of the connecting portion 66
a pair of rubbers which are installed at predetermined intervals on the cable laying path 1 by the conveying force of the cable leading rope 3 as shown in FIGS. By introducing the cable 7 between the left and right drive rollers of a known cable laying wire drawing machine 8 including a hollow drive roller and the like, and pulling the cable 7 by the rotational force of the left and right drive rollers of the wire drawing machine 8, 3 A cable laying device is provided which can sequentially lay out the cable 7 from the drum D to the twisted and bent cable laying path 1 as shown in FIG.

The guide pulley 2 for guiding the cable leading rope 3 may be installed diagonally on both sides of the rope reciprocating path, and the guide pulley 2 on the return path may be vertically supported by a straight line portion of the rope. , And the tension of the rope 3
When the rope is "peaned" to the extent that it does not come off from the guide pulley 2 installed horizontally, the rope pulling groove 2a is formed in the guide pulley 2 as shown in each of FIGS. Prevent detachment.

The two pulleys 2, 2 of the guide pulleys 2, 2 are horizontally adjacent to a pulley pivot plate pivotally attached to the lateral arm of the post 10, as shown in FIGS. To make a pulley pair 2A, and each pulley 2 of this pulley pair 2A
The rope 3 is stretched obliquely at the diagonal rope hanging portion 3A to stretch the rope 3, and the fixing direction of the pivot support plate is changed, so that the cable laying path 1 of the diagonally rope hanging portion 3A is formed.
, The tension of the cable leading rope 3 is increased and settable, and the rope 3 is prevented from coming off the pulley 2.

The initial setting of the rope 3 and the rough adjustment of the rope tension are performed by setting the position of the U-turn pulley P,
Although the tension can be set by well-known tension adjusting means such as elastically pulling the turn pulley P, in the present invention, the elastic return provided adjacent to the return path of the cable leading rope 3 as shown in FIGS. The guide pulleys 2 and 2 are pivotally supported on the turning arm 21 and the planting arm 22, respectively, and the rope 3 is stretched over these pulleys as shown in FIGS. The relative spacing of the arms 21 and 22 is opposed to the return elasticity of the rotating arm 21 and is forcibly separated as shown in FIGS. 9 (b) and 10 (b). By fixing as shown in each figure, the tension length and tension of the cable leading rope 3 can be set.

The reference numerals 21A and 22 in FIGS.
Reference numeral A denotes a mounting plate, and each arm is erected by screwing it to a trough inner flange T of a laying path with a screw n. Further, as shown in FIGS. 11A and 11B, the rotating arm 21
A square bar 21E protruding from a rotating arm is elastically inserted into an elastic square tube 21D made of an elastic material such as synthetic rubber loaded in a square hole 21C of a tube 21B screwed to 1A against the elasticity of the elastic square tube 21C. As shown in FIG. 11 (a), the cylinder 21B is pressed by a retaining plate 21F so that the tip of the square bar 21E is a pivot screw N and the base of the square bar 21E is a pivot ring 21G.
It pivots firmly so that it can rotate.

Further, the guide pulley 2 and the U-turn pulley P may be pivotally supported on a post 10 erected on a trough inner flange T or the like in the cable laying path 1 by a bearing. A simple shaft support means that has been retained with a support may be used.
Screwing or other well-known attachment means can be employed. In addition,
Except for the rubber roller of the wire drawing machine 8, each of the members is made of a tough material such as metal.

Since the cable leading guide device of the present invention has the above-described embodiment, when using it,
The cable hanger 6 is attached to the flanged locking tube 5 fixed to the leading rope 3 in the order of (a), (b), and (c) of FIG.
After hanging and fixing the cable 7 to be laid from now on to the rope 3 by connecting as described above, if the winch 4 is started, the rope 3 is moved in the direction of the arrow in FIG. Endless running is possible.

At this time, since the flanged locking tube 3 attached to the rope 3 is a short thin tube, when a plurality of the locking tubes 3 are attached to the rope 3, the other locking tubes 3 are rotated by the winch winding drum 4 a or the rotating cylinder. Arm 21
-Each of the pulleys 2 of the planting arm 22 is wound around the pulley 2 together with the rope 3 without any trouble and is passed. By running the rope 3, the cable hanger 6 can be pushed forward together with the cable 7 in the direction indicated by the arrow in FIGS. .

Next, when the cable hanger 6 reaches the bent portion 1A of the laying path 1 in FIG. 1, first, the cable hanger 6 moves on the straight line portion of the rope shown in FIGS. 6 (a) and 8 (a). Moves along with the cable 7 in a vertically suspended state with respect to the rope 3, but at the bent portion 1 </ b> A of the laying path 1, the left side surface of the hanger main piece 63 faces outward on the lower flange upper surface of the guide pulley 2. Since the pushing stress is applied to the hanger main piece, the hanger main piece 63 is shown in FIGS.
As shown in each drawing of (b), the hanger rotation piece 65 that has pivoted obliquely outward against the gravity around the flanged locking tube 5 and that has passed through the hinge 64 at the beginning of the subsequent cable. As shown in FIG. 8 (C), the cable hanger 6 rotates and turns in the pulley center direction, and the cable hanger 6 holds the pulley 2 without force and without derailing while maintaining the vertical position by the cable gravity. (C), the cable 7 can be bent and fed. The cable 7 can be guided and guided between the left and right driving rollers of the wire drawing machine 8 via the cable receiving roller 9 from near the tip. it can.

Even if the rope 3 is twisted or rotated due to a change in the tension, the cable hanger 6 is rotatably loosely inserted and locked in the flanged locking tube 5.
The cable hanger 6 can always be suspended and moved by the cable gravity without rotating around the rope, so that the hanger 6 for untwisting the rope and the cable 7 do not cling to the rope 3 or twist.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The cable laying wire drawing machine of the present invention includes:
Japanese Patent Publication No. 7-10139 previously proposed by the present applicant, that is, a cable feeder that feeds a cable in the wire length direction by the rotational force of the elastic roller while sandwiching the cable between the pair of elastic rollers. At the same time, helical gears of different tooth surface directions are fitted to the lower portions of a pair of pivots which are erected by bearings on the base,
Other helical gears meshing with each of these helical gears are fitted to a rotating shaft horizontally supported on the base, and this rotating shaft is made rotatable by the rotational force of a motor by a slip clutch. A delivery roller made of a hollow elastic material having a substantially spherical surface is attached to a mounting cylinder fitted on the upper part of the pivot by a fastener such as a screw through a holding fixture, and the base on both sides of each of the delivery rollers is attached. By arranging an appropriate number of electric cable feeders or other known wire drawing machines in which cable guide members are pivotally mounted on the front and rear upper surfaces of the table on the installation path, the cable can be installed in the trough.

In particular, as means for maintaining the tension of the cable leading rope 3 in the present invention, the rotating arm 21 constructed as shown in FIGS. 11 (a) and 11 (b) is pivoted around the pivot screw N and the pivot ring 21G. 11 (c) and 9 (a) by forcibly twisting and bending the elastic square tube 21D against the elasticity of the elastic square tube 21D.
(B), by determining the fixing position of the planting arm 22 in a state of being inclined in the direction of the planting arm 22 as shown in FIG. A tension of 300 kg was applied to the cable leading rope 3 by the torsional bending return force of the elastic square tube 21D. Instead of variably setting the fixed position of the planting arm 22, the fixed position of the rotating arm 21 may be variably set.
In the illustrated example, an example of a cantilevered pivot is shown, but both sides of the pulley pivot may be attached to a bifurcated portion formed on the upper part of each arm to support the both ends.

[0030]

The present invention adopts the above-described embodiment, and has the following effects. When laying the cable 7 in the bent cable laying path 1, the cable leading rope 3 guides the starting end of the cable 7 to the cable drawing machine 8 on the laying path 1 to extend the cable 7. Therefore, there is a first effect that the load on the cable leading rope can be reduced and the driving winch and the rope guide mechanism can be simplified.

Further, the cable hanger 6 for connecting the cable leading end to the cable leading rope 3 is easily inserted into the flanged locking tube 5 fixed to the rope, so that the cable can be attached to and detached from the rope at an arbitrary rope point. There is also a second effect that the execution can be performed quickly and reliably.

Even if the rope 3 is untwisted or twisted due to the tension change, the cable hanger 6
Since the cable hanger 6 is rotatably loosely inserted into the flanged locking tube 5, the cable hanger 6 can always be suspended and moved by the cable gravity, and the hanger 6 and the cable 7 There is also a third effect that it is safe without entanglement or twisting of the rope 3.

In particular, in the present invention, the resilient turning arm 21 and the planting arm 2 which are provided adjacent to the return path of the cable leading rope 3 are provided.
2, the guide pulleys 2 and 2 are pivotally supported, and the ropes 3 are hung over these pulleys and stretched.
By fixing the erected portion of each arm by forcibly separating the arm 22 from the return elasticity of the rotating arm 21 and forcibly separating the arm, the tension length and the tension of the cable leading rope 3 can be set. Therefore, after connecting the ropes of a fixed length in series without cutting, they are stretched around the site, and the extra length of the rope is easily absorbed within the length of the cable laying path 1, and the cable leading rope 3 is stretched. Since it can be installed, there is also an advantage that the rope is not wasted due to the rope cutting.

[Brief description of the drawings]

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

FIG. 2 is a right side view of the above.

FIG. 3 is a perspective view of a main part showing a relationship between a leading rope and a cable hanger.

FIG. 4 is an essential part cross-sectional view showing a state where a leading rope and a cable hanger are combined.

FIG. 5 is a perspective view of a main part showing a state where the leading rope and the cable are connected.

FIG. 6 is an essential part perspective view showing an engagement state of a cable hanger with a guide pulley.

FIG. 7 is a main part plan view showing an engagement state of a cable hanger with a guide pulley.

FIG. 8 is an essential part elevational view showing a state where the cable hanger is engaged with the guide pulley.

FIG. 9 is an elevation view showing an example of a specific configuration of the rope length setting.

FIG. 10 is a perspective view showing an example of a specific configuration of rope length setting.

FIG. 11 is a cross-sectional view illustrating an example of a configuration of a main part of a rotating arm.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cable installation path 2 Guide pulley 21 Rotating arm 22 Planting arm 3 Cable leading rope 4 Winch 5 Flanged locking tube 5a Outer flange 6 Cable hanger 61 Side groove 62 Side hole 63 Main piece 64 Hinge 65 Rotating piece 66 Connection part 7 Cable 8 Wire drawing machine 9 Cable receiving roller 10 Pulley support post

Claims (1)

[Claims] 1. A guide pulley 2 is mounted on a plurality of posts 10 erected along a twisted and bent cable laying path 1.
The cable leading rope 3 is stretched through these pulleys 2 so as to be able to run with the rolling force of the winch 4 around the winch 4. The cable hanger 6 is rotatably loosely inserted and locked in the horizontal hole 62 through the insertion horizontal groove 61, and the tip of the cable 7 is connected to a rotating piece 65 through the hinge 64 of the hanger 6,
A cable guide device capable of guiding the cable 7 to the cable laying wire drawing machine 8 installed in the cable laying path 1 is formed, and a resilient rotation arm 21 adjacent to the return path of the cable leading rope 3 is planted. The guide pulleys 2 and 2 are pivotally supported on the upright arm 22, respectively, and the ropes 3 are hung over these pulleys and stretched. A cable leading guide device in which the length of tension and the tension of the cable leading rope 3 can be set by forcibly separating the standing portions of the arms from each other.