JP2007159228A - Cable carrier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a cable carrier suppressed in noise interference between cables. <P>SOLUTION: The flexible cable carrier 100 has a housing body 1 for housing multiple cables 2, 3 in parallel therein. The cable carrier is provided with a cable position changing member that freely changes the disposed position of each of the cables 2, 3 housed in parallel. Thus, the distance between cables can be varied according to the degree of noise interference. The cable position changing member includes: multiple recesses 4 formed in the inner walls of the housing body; and a partitioning plate 5 that can be inserted into and removed from any of the recesses. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention accommodates power line cables for supplying power to work units such as various assembly devices and NC control machine tools, signal cables for transferring signals to and from work units, and communication line cables such as optical cables. The present invention relates to a cable carrier that can be bent and deformed following the movement of a work unit.

  As a conventional cable carrier, the inside of the outer frame (container) is partitioned by a plurality of partition plates as sectioning means, and the cables are inserted into the spaces partitioned by the partition plates to prevent interference between the cables. (For example, refer to Patent Document 1 and FIG. 4).

  In addition, since the cable carrier as described above arranges a plurality of cables in the same space, the unit units (containers) are rotated with respect to each other in order to solve the problem that interference between the cables is unavoidable. A cable carrier that is connected freely (bendable) into a long chain shape and holds a cable therein, wherein the unit unit includes both side plates, a bottom plate material that connects the two side plates, and the bottom plate material. There is an intermediate member that is mounted and a lid member that is mounted on the intermediate member, and a fitting groove that fits a cable is formed on the surface of the intermediate member (for example, see Patent Document 1).

Japanese Patent Laid-Open No. 11-82816

  However, according to the above conventional technique, since a plurality of cables are inserted into the same partition section or the position of the fitting groove for holding the cables is fixed, the current and signal transmitted to the cables are fixed. There is a problem that noise interference occurs depending on the type.

  This invention is made | formed in view of the above, Comprising: It aims at obtaining the cable carrier which can suppress the noise interference between cables.

  In order to solve the above-described problems and achieve the object, the present invention provides a bendable cable carrier having a housing body that accommodates a plurality of cables in parallel. A cable position changing member that can change each arrangement position is provided, and the distance between the cables can be changed according to the degree of noise interference.

  According to the present invention, since the cable position changing member that allows the arrangement positions of the plurality of cables accommodated in parallel to be freely changed is provided, there is an effect that a cable carrier that suppresses noise interference between the cables can be obtained.

  Hereinafter, embodiments of a cable carrier according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment 1 FIG.
FIG. 1 is a perspective view schematically showing a cable carrier according to the present invention, FIG. 2 is a cross-sectional view showing the cable carrier of the first embodiment, and FIG. 3 is a diagram of the cable carrier of the first embodiment. It is sectional drawing which shows another example.

  As shown in FIG. 1, a cable carrier 100 is formed in a long chain shape by connecting short rectangular tube-like housings 1 so as to be able to bend each other, and accommodates a plurality of cables 2 and 3 in parallel inside. keeping. The cable carrier 100 is bent into a U shape, one end 101 is fixed to a feed table or the like of an assembly device (not shown), and the other end is connected to a work unit. The cable carrier 100 follows the movement of the work unit while being bent, supplies power (electric power) to the work unit via the cables 2 and 3, and sends and receives signals.

  As shown in FIG. 2, a power line cable 2 and a communication line cable 3 that have a large voltage amplitude and are likely to generate noise are housed and held in parallel in a short rectangular tubular housing 1. A partition plate 5 as a cable position changing member for partitioning the inside of the housing 1 into a plurality of cable insertion sections can be inserted into and removed from the inner walls of the upper plate 1a and the lower plate 1b of the housing 1 (as a cable position changing member). A large number of recesses 4 are formed in the width direction, and the partition plate 5 can be inserted into and removed from any recess 4. In the front and rear of the side plates 1c and 1c of the container 1, there are formed connecting portions having pin holes for connecting the containers 1 to each other so as to be able to bend each other in a long chain shape. ing.

  In the cable carrier 100 of the first embodiment configured as described above, the distance that does not cause noise interference from the power line cable 2 to the communication line cable 3 is, for example, between the mounting position 4a and the mounting position 4b of the recess 4 shown in FIG. Is attached to the mounting position 4a and the mounting position 4b.

  The power line cable 2 is arranged by arranging the power line cable 2 in the left section of the partition plate 5 mounted at the mounting position 4a and the communication line cable 3 in the right section of the partition plate 5 mounted at the mounting position 4b. And the communication cable 3 can be separated by a distance that does not cause noise interference. The mounting position of the partition plate 5 is changed according to the degree of noise interference, the arrangement position of each cable is changed, and the distance between the cables is changed.

  In addition, about the form of the recessed part 4, and the shape of the partition plate 5, if the partition plate 5 can be fixed in the container 1, the form and shape are not limited to the thing of illustration. In FIG. 2, three power line cables 2 and one differential signal communication line cable 3 are shown, but the types of signals and the number of cables are not limited. Further, as shown in FIG. 3, the cable structure is formed by bundling a plurality of power line cables 2 and a plurality of communication line cables 3 with a power line cable 2 cable cover 6 and a communication line cable cable cover 7. A (coated) structure may also be used.

Embodiment 2. FIG.
FIG. 4 is a cross-sectional view showing the cable carrier of the second embodiment. As shown in FIG. 4, a power line cable 2 and a communication line cable 3 that are large in voltage amplitude and easily generate noise are accommodated and held in parallel in a short rectangular tube-shaped container 1. A hole (as a cable position changing member) for mounting a partition bar 12 as a cable position changing member for partitioning the inside of the holding body 1 into a plurality of cable insertion sections is formed in the upper plate 1a and the lower plate 1b as the walls of the container 1. A number 11 is formed in the width direction, and the partition rod 12 can be inserted into and removed from an arbitrary hole 11.

  In the cable carrier 100 of the second embodiment configured as described above, the distance that does not cause noise interference from the power line cable 2 to the communication line cable 3 is, for example, between the mounting position 11a and the mounting position 11b of the hole 11 shown in FIG. Is attached to the hole 11 at the mounting position 11a and the mounting position 11b.

  The power line cable 2 is accommodated in the left compartment of the partition bar 12 attached to the attachment position 11a, and the communication line cable 3 is accommodated in the right compartment of the partition bar 12 attached to the attachment position 11b. And the communication cable 3 can be separated by a distance that does not cause noise interference. The mounting position of the partition bar 12 is changed according to the degree of noise interference, the arrangement position of each cable is changed, and the distance between cables is changed.

  In addition, about the form of the hole 11, and the shape of the partition bar 12, as long as the partition bar 5 can be fixed to the container 1, the form and shape are not limited to what is illustrated. In FIG. 4, three power line cables 2 and one differential signal communication line cable 3 are shown, but the types of signals and the number of cables are not limited. As shown in FIG. 3, the cable structure may be a structure in which a plurality of power line cables 2 or a plurality of communication line cables 3 are bundled with a power line cable 2 tube 6 or a communication line cable tube 7. Good.

Embodiment 3 FIG.
FIG. 5 is a cross-sectional view showing the cable carrier according to the third embodiment. As shown in FIG. 5, a power line cable 2 and a communication line cable 3 that are large in voltage amplitude and easily generate noise are accommodated and held in parallel in a short rectangular tube-shaped container 1. Between the power line cable 2 and the communication line cable 3, an interposition body 21 is disposed as a cable position changing member that separates the power line cable 2 and the communication line cable 3 to a width 21a that does not cause noise interference. A plurality of intervening bodies 21 having different width dimensions are prepared, and by changing the interposing body 21 according to the degree of noise interference, the arrangement position of each cable is changed, and the distance between the cables is changed.

  In addition, about the shape of the interposed body 21, if the distance between cables can be hold | maintained to the distance which does not interfere with noise, it can be set as arbitrary shapes.

Embodiment 4 FIG.
FIG. 6 is a cross-sectional view showing the cable carrier of the fourth embodiment. As shown in FIG. 6, a power line cable 2 and a communication line cable 3 that are large in voltage amplitude and easily generate noise are accommodated and held in parallel in a short rectangular tube-shaped container 1. Between the power line cable 2 and the communication line cable 3, a gripping tool 31 as an interposition body is inserted which is a cable position changing member that separates both of them to a width 31 c that does not cause noise interference. The gripping tool 31 can grip the pair of cables 2 and 3 by gripping portions 31a and 31b at both ends, and grips and fixes both. A plurality of gripping tools 31 having different width dimensions are prepared, and by changing the gripping tool 31 according to the degree of noise interference, the arrangement position of each cable is changed, and the distance between the cables is changed.

  In addition, about the shape of the holding tool 31, if it can hold | maintain the distance between cables to the distance which does not interfere with noise, it can be set as arbitrary shapes.

Embodiment 5. FIG.
FIG. 7 is a cross-sectional view showing the cable carrier of the fifth embodiment. As shown in FIG. 7, a power line cable 2 and a communication line cable 3 that are large in voltage amplitude and easily generate noise are accommodated and held in parallel in a short rectangular tube-shaped container 1. The power line cable 2 is covered with a cable covering body 41 that is thick in the lateral direction as a cable position changing member. The lateral thickness 41a of the cable covering 41 is a thickness that does not cause noise interference in the cables 2 and 3. A plurality of cable covering bodies 41 having different thicknesses in the lateral direction are prepared, and the arrangement position of each cable is changed by changing the cable covering body according to the degree of noise interference, and the distance between the cables is changed.

  In addition, about the shape of the cable coating | covering body 41, if the distance between cables can be hold | maintained to the distance which does not interfere with noise, it can be set as arbitrary shapes.

Embodiment 6 FIG.
FIG. 8 is a cross-sectional view showing the cable carrier of the sixth embodiment. As shown in FIG. 8, a power line cable 2 and a communication line cable 3 that have a large voltage amplitude and are likely to generate noise are housed and held in parallel in a short rectangular tubular housing 1. A large number of slits 4 are formed in the inner wall of the upper plate 1a and the lower plate 1b of the container 1 in the width direction as a portion to be engaged, which is a cable position changing member.

  The power line cable 2 and the three communication line cables 3 are respectively covered with cable covering bodies 52 and 53 as cable position changing members. Projecting portions 52a and 53b as engaging portions are provided on the upper and lower portions of the cable coverings 52 and 53, and the convex portions 52a and 53b can be engaged with arbitrary slits 4 and 4. Yes. By changing the positions of the slits 4 and 4 for engaging the convex portions 52a and 53b according to the noise interference degree of the cables 2 and 3, the arrangement position of each cable is changed and the distance between the cables is changed.

  In addition, about the form of the slit 4 as a to-be-engaged part, the shape of the cable covering body 52 and the convex part 52a for the power line cable 2, and the shape of the cable covering body 53 for the communication line cable 3 and the convex part 53b, As long as the cable cover 52 for 2 and the cable cover 53 for the communication cable 3 can be engaged with the slits 4 and 4, the form and shape are not limited to those illustrated. Further, in FIG. 8, three power line cables 2 and three differential signal communication line cables 3 are illustrated, but the types of signals and the number of cables are not limited.

  As described above, the cable carrier according to the present invention is useful for various assembly devices and the like, and is particularly suitable for an NC control machine tool.

1 is a perspective view schematically showing a cable carrier according to the present invention. FIG. 3 is a cross-sectional view showing the cable carrier according to the first embodiment. FIG. 6 is a cross-sectional view showing another example of the cable carrier according to the first embodiment. FIG. 6 is a cross-sectional view showing a cable carrier according to a second embodiment. FIG. 6 is a cross-sectional view showing a cable carrier according to a third embodiment. FIG. 6 is a cross-sectional view showing a cable carrier according to a fourth embodiment. FIG. 10 is a cross-sectional view showing a cable carrier according to a fifth embodiment. FIG. 10 is a cross-sectional view showing a cable carrier according to a sixth embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container 2 Power line cable 3 Communication line cable 4 Slit (recessed part, engaged part)
4a, 4b Partition plate mounting position 5 Partition plate 6 Cable cover for power line cable 7 Cable cover for communication cable 11 Hole 11a, 11b Partition bar mounting position 12 Partition bar 21 Intervening body 21a Width of interposing body 31 Gripping tool ( Inclusion)
31a, 31b Gripping part 31c Width of gripping tool 41 Cable covering body 41a Lateral thickness of cable covering body 52, 53 Cable covering body 52a, 53b Convex part (engaging part)
100 cable carrier

Claims (7)

In a bendable cable carrier having a housing for housing a plurality of cables in parallel inside,
A cable position changing member that can freely change the arrangement positions of the plurality of cables accommodated in parallel,
A cable carrier characterized in that the distance between cables can be changed according to the degree of noise interference. The cable position changing member is
A plurality of recesses formed in the inner wall of the container;
A partition plate that can be inserted into and removed from any of the plurality of recesses;
The cable carrier according to claim 1, comprising: The cable position changing member is
A plurality of holes formed in the wall of the container;
A partition bar that can be inserted into and removed from any of the plurality of holes;
The cable carrier according to claim 1, comprising: The cable position changing member is
A plurality of engaged portions formed on the inner wall of the container;
A cable covering body that has an engaging portion engageable with an arbitrary engaged portion of the plurality of engaged portions, and covers the cable;
The cable carrier according to claim 1, comprising:   2. The cable carrier according to claim 1, wherein the cable position changing member is a plurality of intervening bodies having different width dimensions interposed between the plurality of cables accommodated in parallel.   The cable carrier according to claim 5, wherein the intermediate body is capable of gripping a pair of adjacent cables.   The cable carrier according to claim 1, wherein the cable position changing member is a plurality of cable covering bodies having different thicknesses covering the cable.

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