JP2835308B2 - Cable support device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a broadcasting station, a radio station,
The present invention relates to an improvement of a cable support device for supporting a cable connecting an antenna erected on the roof of a telephone station, other communication facilities, and the like, and a broadcast facility and a transmission / reception facility in a station building.

[0002]

2. Description of the Related Art A cable supporting device (for example, a feeder line supporting device) as shown in FIG. 12 is known.
In this feeder line supporting device, one semicircular concave portion 2 'is formed at a position opposed to a feeder line supporting member 1' composed of a pair of iron bands, and the semicircular concave portions 2 'are formed at both side portions outside the semicircular concave portion. A not-shown through hole for a bolt 5 'is formed in a direction intersecting the center line of the circular concave portion 2', and the vibration-isolating spacer 9 'fitted in the semicircular concave portion 2' is inserted into the semicircular concave portion 2 '. One of the pair of feeder line supporting members 1 ', which is formed on the end side of the bolt 5', is formed into a sectional shape similar to that of the feeder line supporting member 1 '.
The mounting bolt 12 'is fixedly protruded from the outer surface (outer bulging side outer surface) of the semicircular concave portion 2', and the bolt is attached to the nut 13 'on the ladder member L (see FIG. 1) constructed on the roof of the local office. It is configured to be mounted with.

When the power supply line C 'is supported by the power supply line support device, a worker (not shown) requires a predetermined number of power supply line support members 1', bolts 5 'and 12', vibration isolation spacers 9 ', and nuts 7'. The ladder member L is climbed to a high place by carrying the members necessary for supporting the power supply lines such as '13' and the heavy metal tools necessary for the work of supporting the power line, and fixing the body to the ladder member L with a lifeline. Doing support work. Thus, a feeder line supporting member 1 'made of a pair of iron bands, a vibration isolating spacer 9', a pair of bolts 5 ', a nut 7', a bolt 12 ',
The number of power supply lines that can be supported by one power supply line support device including the nuts 13 'and the like is one.

[0004] When using such a feeder line supporting device,
There are the following problems. 1. Since the number of feeder lines that can be supported by one feeder line support device is one, in order to have a large number of feeder line support devices, the same number of feeder line support devices as feeder lines must be configured. It must be attached to the ladder member L to support the feeder line C '. Therefore, it takes time to support the power supply line, which is inefficient.

[0005] 2. In the case of the extension work of the feeder line support device, the existing support device attached to the ladder member L is removed, a new mounting hole (not shown) is opened, and the bolt 12 'is protruded through the new mounting hole. At least, the nut 13 'is screwed and fastened, and the feeder line supporting member 1' having the bolt 12 '
(The lowest member in FIG. 12) is attached to the ladder member L. Then, the previously suspended power supply line C 'is connected to the semicircular recess 2' of the power supply line support member 1 'and the vibration isolating spacer 9' attached to the ladder member L, and the other paired with the support member. The feeder line support member 1 ′ (the second member from the bottom in FIG. 12) is sandwiched between the semicircular concave portion 2 ′ and the vibration isolating spacer 9 ′, and the nut 7 ′ is screwed in advance to a portion near one end. After the bolt 5 'is passed through the through hole for the bolt, another nut 7' is screwed into one end of the bolt 5 'and tightened.
The first feeder line C '(the lower feeder line in FIG. 12) is formed by the pair of feeder line support members 1' (the lower support member in FIG. 12).
Let me support you.

The work of supporting the second power supply line C '(upper power supply line in FIG. 12) is performed by the other end of the bolt 5' of the power supply line supporting device supporting the first power supply line C '. After the nut 7 'is screwed into the deviated portion, the bolt 5' through hole (not shown) of one feeder line support member 1 '(the second member from the top in FIG. 12) without the bolt 12' is bolted. The feeder line C ′ (the upper feeder line) which is inserted into the feeder line nut 5 ′ and abuts on the screwed nut 7 ′ is then inserted into the semicircular shape of the one feeder line supporting member 1 ′. The concave portion 2 'and the anti-vibration spacer 9', and the semicircular concave portion 2 'and the anti-vibration spacer 9' of the other feeder line supporting member 1 '(the uppermost member in FIG. 12) paired with the supporting member. And a through hole (not shown) for the bolt 5 'of the other power supply line supporting member 1' is inserted near the other end of the bolt 5 ', and another nut 7' is inserted. A second power supply line C '(the upper power supply line) is supported by the pair of power supply line support members 1' (the upper support member in FIG. 12) by screwing and tightening the other end of the bolt 5 '. Let me know.

If the work for supporting the power supply line is performed at a high place of the ladder member L, not only a heavy accident and a heavy accident may occur, but also a drop accident often occurs. Working workers may be injured unexpectedly.

SUMMARY OF THE INVENTION The present invention has been made in view of such problems, and is intended to improve the efficiency of cable supporting work, and to provide one or more suitable number of cables (for example, one sector) (for example, one sector). Attempt to easily support the power supply line), to easily connect a plurality of cable support members (for example, a power supply line support member), and to easily increase or decrease the number of connections. The purpose is to improve safety during support work.

[0009]

Means for solving the problems In order to achieve the above-mentioned object, the present invention provides a method according to claim 1, wherein one or at least one or more A plurality of semicircular recesses having the same diameter or different diameters are arranged in opposition to each other, and a middle portion on both sides or one side of the semicircular recess in the direction intersecting the center line of the semicircular recess. Forming a groove,
Further, a small-diameter hole for a stud bolt in a direction intersecting the center line of the semicircular recess and the direction in which the concave groove is formed, at both side portions of the pair of cable support members that deviate from the semicircular recess, the stud bolt and the stud. The large diameter hole for the nut is continuously penetrated and drilled concentrically, and the locking projection protruding toward the center line side is protruded at a portion facing the inner surface of the small diameter hole for the stud bolt. The anti-vibration spacer to be fitted is formed into a cross-sectional shape similar to the semicircular recess, and a bridge portion to be press-fitted into the concave groove is formed on a side face of the anti-vibration spacer, and the small-diameter hole for the stud bolt is formed. The present invention is characterized in that a small-diameter locking portion for locking to the locking projection is formed on a stud bolt to be inserted into the stud bolt. Claim 2
Are opposed surfaces of a first pair of cable support members and the first pair of cable support members.
One or more suitable number of semicircular concave portions having different diameters are provided on both side surfaces of the second cable supporting member interposed between the opposing surfaces of the first and second cable supporting members. And forming a concave groove in a direction intersecting with the center line of the semicircular concave portion at the thick side intermediate portion on both sides or one side portion of the semicircular concave portion of both the second cable supporting member, Second
On both side portions of the two cable support members that have deviated from the semicircular concave portion, a small diameter hole for stud bolt in a direction intersecting the center line of the semicircular concave portion and the direction of forming the concave groove,
The stud bolt and the large diameter hole for stud nut are continuously penetrated and drilled concentrically, and a locking projection protruding toward the center line is protrudingly provided at a portion facing the inner surface of the small diameter hole for the stud bolt so as to be arranged in parallel with each other. The anti-vibration spacer to be fitted in the semicircular recess is formed into a cross-sectional shape similar to the semicircular recess, and in the anti-vibration spacer, a bridge portion to be press-fitted into the concave groove is formed on the fitting side surface, The gist of the present invention is that a small-diameter locking portion for locking to the locking projection is formed on a stud bolt inserted into the small-diameter hole for a stud bolt.

[0010] The pair of cable support members are heated, cooled,
It is preferable to use a light-shielding synthetic resin having excellent durability against aging and the like. In addition, it is preferable that the support member is made of the above-mentioned synthetic resin in terms of product weight reduction.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A case in which a cable is a feeder will be described with reference to FIGS. The pair of cable support members 1a are excellent in durability against heating, cooling, aging, and the like in consideration of being used up to the outdoors directly receiving wind, rain, snow, sunlight, and the like, and lightening. Light-weight, light-shielding synthetic resin (for example, AE
S resin).

The pair of cable supporting members 1a are formed in a substantially box shape having a reinforcing wall 14 formed therein for achieving weight reduction, and one or more suitable number of one or more (see the illustrated example) 3) are arranged side by side, and one or more suitable number (same as the number of semicircular recesses) of cables C can be supported in the recesses via anti-vibration spacers 9. To be configured. (See Fig. 1, Fig. 2, Fig. 3, etc.)

A pair of cable supporting members 1a are provided at intermediate portions on both sides or one side of the semicircular recess 2 on the thick side (thickness side) in a direction intersecting the center line of the semicircular recess 2 (FIG. 3, FIG. 3). A concave groove 3 for the bridge portion 10 is formed in the direction parallel to the center line of the pair of small-diameter holes 4 and the large-diameter hole 6 (FIG. 7), and the bridge portion 10 of the vibration isolation spacer 9 is formed in this concave groove. Is press-fitted so that the vibration-isolating spacer 9 can be firmly fitted with little fear of falling off. (See FIG. 2, FIG. 3, FIG. 4, FIG. 7, etc.)

The pair of cable support members 1a are provided with stud bolts 5 on both sides of the semicircular recess 2 in a direction intersecting the center line of the semicircular recess and the direction in which the concave groove 3 is formed.
And a large-diameter hole 6 for the stud bolt and a stud nut 7 are continuously penetrated and opened in a concentric manner, and a locking projection 8 protruding toward the center line at a portion facing the inner surface of the small-diameter hole 4. When the stud bolt 5 is inserted into the small-diameter hole 4, the locking projection 8 is locked to the small-diameter locking portion 11 of the bolt, so that the stud bolt 5 is not easily dropped. (See FIGS. 3 and 5)

In the case of forming one or more appropriate numbers of the semicircular concave portions 2, not only the diameters are partially varied as shown in the illustrated example, but also all the diameters are equalized. (See FIG. 11) or all the diameters may be different diameters (not shown).

The number of the semicircular concave portions 2 formed when one or more suitable number of concave portions are formed is not limited to the three shown in the illustrated example, but may be variously formed, such as two or four. It is possible to

The semicircular concave portion 2 is not limited to the illustrated example, and the arrangement example of the concave portions of different diameters when one or more appropriate number of concave portions are formed is not limited to the illustrated example, but can be arranged in any manner. When one or more semi-circular recesses 2 are formed in a suitable number, the diameter, the number of the semi-circular recesses 2, the number of the semi-circular recesses 2, the arrangement, etc.
Determine according to the sequence.

The concave groove 3 is formed on both sides of the semicircular concave portion 2 (in the case of one semicircular concave portion, both side portions of the central large diameter semicircular concave portion in the illustrated example) or one side portion (illustrated example). In the semicircular recesses on both sides of the cable support member 1a, the center line of the semicircular recess side, and the middle portion of the cable supporting member 1a on the thick side, the center line of the semicircular recess 2 and If it is formed in a direction intersecting the center line of the pair of parallel small-diameter holes 4 and large-diameter holes 6 and press-fit the bridge portion 10 of the vibration-isolating spacer 9,
The anti-vibration spacer 9 is fitted to the cable support member 1 with little fear of easily falling off. (See FIGS. 3, 4, and 7)

The small-diameter hole 4 is for inserting a stud bolt 5, and the large-diameter hole 6 is for inserting a stud bolt 5, and at the same time, a stud nut 7 screwed to the bolt. And a small-diameter hole 4
And the large diameter holes 6 are continuously penetrated and opened concentrically, and are arranged coaxially in a line. The small diameter hole 4 and the large diameter hole 6
As shown in FIG. 5, the semicircular recess 2 is separated from the semicircular recess 2 on both sides and is arranged in a line. ) And the other side (the right side in FIG. 5) of the large-diameter hole 6, and the small-diameter hole 4 is penetrated between the large-diameter holes to open the large-diameter holes 6 on both sides.
A locking projection 8 protruding toward the center line is protruded at a portion facing the inner surface of the small-diameter hole 4, and the small-diameter locking portion 11 of the stud bolt 5 is locked to the locking projection. The bolt is configured to prevent the bolt from easily falling off.

The stud bolt 5 has one end formed in a regular polygonal cross section as shown in FIGS. 1, 5 and 6, and has a female thread at the center of the end, and the other end has a circular cross section. The well-known machine screw formed on the male screw part of
A small diameter locking portion 11 is formed by forming a part of the male screw portion to have a small diameter, and the small diameter locking portion 11 can be locked to the locking projection 8 by being inserted into the small diameter hole 4 and the large diameter hole 6. The configuration is as follows.

The stud nut 7 is screwed into the male thread portion of the stud bolt 5 and fitted into the large-diameter hole 6 on the semicircular concave portion forming side. As shown in FIG. 5, the locking projection 8 is formed so as to protrude toward the center line at a portion facing the inner surface of the small diameter hole 4 for the stud bolt 5, and the small diameter locking portion 11 of the stud bolt 5 is formed.
Are locked so that the bolt does not easily fall off.

The anti-vibration spacer 9 is made of neoprene rubber having excellent oil resistance and aging resistance in consideration of outdoor use, and is formed into a cross-sectional shape similar to the semicircular concave portion 2. The bridge portion 10 is integrally formed on the fitting side surface of the groove 3 so that the bridge portion can be press-fitted into the concave groove 3. Then, when the bridge portion 10 is press-fitted into the concave groove 3, the vibration-proof spacer 9 does not easily fall off the cable support member 1 and is firmly attached to the support member.
(See FIG. 3, FIG. 4, FIG. 7, FIG. 8, etc.)

The bridge portion 10 has a pair of small-diameter holes 4 and large-diameter holes formed in a side surface of the vibration isolating spacer 9 fitted to the semicircular concave portion 2 and formed in the center line of the concave portion and the cable supporting member 1a. 6 is formed in a direction intersecting with the center line of the cable support member 6, and a bridge portion 10 is formed on a side surface of the vibration isolating spacer 9 fitted with the semicircular concave portion 2, the portion corresponding to the concave groove 3 of the cable support member 1 a (the concave portion is If it is one, it is on both sides, and if there is one or more suitable recesses, it is between the recesses.)
At the height-side middle portion (the portion corresponding to the thicker side middle portion of the cable support member 1a) so that the vibration isolating spacer 9 can be attached to the concave groove 3 of the cable support member 1a so as not to easily fall off. .

Each member configured as described above is assembled in advance before shipping the product. That is, the fitting side surface of the vibration isolation spacer 9 is attached to the side surface of the pair of cable support members 1a where the semicircular recess 2 is formed. This attachment is performed by press-fitting the bridge portion 10 into the concave groove 3. Then, the stud bolt 5 is inserted into the small-diameter hole 4 and the large-diameter hole 6 formed in the pair of cable support members 1a, and the small-diameter locking portion 11 is locked to the locking projection 8. In this way, after assembling one or two pairs of cable support members 1a by screw connection of the stud bolts 5, the stud nut 7 is attached to the stud bolt 5 at one end (the stud bolt at the left end in FIG. 6). It is screwed and fitted into the large-diameter hole 6 at one end (the large-diameter hole at the left end in FIG. 6).

When the assembly is shipped in advance at the factory as described above, the small diameter engaging portion 11 of the stud bolt 5 is engaged with the engaging projection 8, so that the stud bolt 5 does not easily fall off.
If the stud bolts 5 do not fall off, the assembly of the one or two pairs of cable support members 1a is prevented from being disassembled, and if the disassembly of the support members is prevented, there is no need to worry about the fall off of the vibration isolating spacer 9. . (See FIGS. 5 and 6)

However, even if the cable is shipped without pre-assembly at the factory, the small-diameter hole 4 and the large-diameter hole 6
If the stud bolts 5 are fitted into the recesses 3 and the bridge portions 10 are press-fitted into the concave grooves 3 and the anti-vibration spacers 9 are fitted into the semicircular concave portions 2 before shipment, the former is associated with the small-diameter locking portions 11. By locking to the stop projections 8, the latter can prevent the stud bolts 5 and the vibration-isolation spacers 9 from falling off due to the holding force by press-fitting. (See Fig. 2)

Reference numeral 12 in the drawing denotes a mounting bolt, which is detachably mounted by a nut 16 on a mounting plate 15 which is mounted on the cable support member 1a on the ladder member L side with the stud bolt 5 and the stud nut 7. The cable support member 1 is attached to the ladder member L by screwing the nut 13 into the mounting hole (not shown) of the ladder member L. (See FIGS. 1, 2 and 8)

Next, the usage will be described. At the construction site, a worker climbing to a high place of the ladder member L first attaches the cable support member 1a on which the mounting plate 15 is attached to the ladder member L with the mounting bolts 12 and the nuts 13, and the ladder member L A cable C having a thickness corresponding to the diameter of the semicircular recess 2 of the cable support member 1a attached to the
Hook. Then, another cable support member 1a forming a pair with the cable support member 1a is attached to the cable support member 1a attached to the ladder member L by screw connection of the stud bolts 5 to each other.
The cable C is supported by the opposed semicircular recesses 2a (through holes formed by the opposed semicircular recesses as shown in FIGS. 1 and 6). In this way, the work of supporting the cable C while attaching the cable supporting members 1a to the ladder member L one after another is performed.

In the case of the extension work of the cable support device, the cable support device is added using the stud bolt 5 of the cable support member 1a attached to the ladder member L and supporting the cable C. That is, the stud bolts of the cable supporting member 1a paired with the cable supporting member 1a attached to the ladder member L among the cable supporting members attached to the ladder member L and supporting the cable C as shown in FIG. 5, a new cable support member 1a indicated by a virtual line is connected with a stud bolt 5, and the cable C is hooked in the semicircular recess 2 of the connected cable support member 1a. Then
After confirming the supporting portion of the cable C, the stud bolt 5 of the cable supporting member 1a (shown by a virtual line at the right end in FIG. 1) paired with the stud bolt 5 of the connected cable supporting member 1a. 5 is screwed together and tightened, and the cable C is supported by the opposed semicircular recesses 2 (through holes formed by the opposed semicircular recesses as shown in FIG. 1) of the pair of cable support members 1a. (See FIGS. 1 and 6)

In the above-mentioned usage, if the stud bolt 5, the vibration isolating spacer 9 and the like are pre-installed in the cable supporting member 1a, there is little fear that those members fall off and are lost. This saves time and effort and contributes to the efficiency of the cable support work, and also prevents the occurrence of a member falling accident and contributes to safety improvement. Also,
Since one or more suitable number of cables C can be supported by the cable support device, and the supporting work is not performed for each cable, and one or more suitable number of cables C can be performed at once, It is convenient and useful for improving workability. Furthermore, since the stud bolts 5 inserted into the cable supporting members are used, the operation of connecting the same members 1 to configure the cable supporting device, connecting or separating the cable supporting members, and reducing the number of connections of the same members. Work to increase or decrease can be performed efficiently.

Next, claim 2 will be described with reference to FIGS. 9, 10 and the like. FIGS. 9 and 10 show a case where it is used in combination with claim 1, and the same members, the same structure, For the same material and the like, the same reference numerals as those in FIGS.
9 and 10 are different members from those of the first embodiment,
A different structure will be described. The fact that the cable C is a feeder line is the same as in the first aspect, and the first pair of cable support members 1a also have the same structure as the cable support member 1 of the first aspect, in which the semicircular recess 2 has a different diameter. .

The second embodiment differs from the first embodiment in that
A cable support device is configured using the cable support member 1b. The second cable support member 1b is a member that is used by being interposed between the opposing surfaces of the first pair of cable support members 1a. One or one of the second cable support members 1b is provided on both side surfaces facing the first cable support member 1a. As described above, an appropriate number of semicircular concave portions 2 having different diameters are arranged in parallel. The semicircular concave portion 2 of the second cable supporting member 1b has the same diameter, the same shape as the semicircular concave portion at a portion opposed to the semicircular concave portion 2 of the first pair of cable supporting members 1a.
The same number is juxtaposed.

The anti-vibration spacer 9 having the same structure as the anti-vibration spacer 9 of the first aspect is attached to the semicircular recess 2 of the second cable support member 1b. The same mounting means. (See FIGS. 9 and 10 for the above.) As described above, the semicircular recesses 2 having different diameters
When the second cable supporting member 1b having the two sides is disposed between the opposing surfaces of the first cable supporting member 1a and used, the difference that fits into the through hole formed by the opposing semicircular recess 2 is obtained. The cable C having a diameter can be easily supported. (See Fig. 9)

FIG. 11 shows another embodiment using both the first and second aspects. Since the same members, the same structure, and the same material as those in FIGS.
The same reference numerals as in FIGS. 10 and 10 are used to omit redundant description, and members and structures different from those in FIGS. 9 and 10 will be described. The cable C is a power supply line, which is the same as in the first embodiment. However, the first pair of cable support members 1a has a semicircular recess 2 having a dimension different from those in FIGS. The dimensions of the semicircular recesses 2 juxtaposed on both side surfaces of the cable support member 1b are different from those in FIGS. Other structures, materials, member arrangements, and the like are the same as the structures, materials, member arrangements, and the like in FIGS.

As shown in FIG. 11, one or at least one suitable number of the semicircular recesses 2 of the cable supporting members 1a and 1b have the same shape and the same diameter. And the 2nd cable support member 1b is arrange | positioned and used like the said support member 1b of Claim 2.

As described above, if the second cable supporting member 1b having the semicircular concave portions 2 having the same diameter on both sides is used between the opposing surfaces of the first cable supporting member 1a,
The cables C having the same diameter can be easily supported in the through holes formed by the semicircular concave portions 2 facing each other. Since the addition of the second cable support member 1b and the connection with the first cable support member 1a are performed by screw connection of the stud bolts 5, the expansion work, the connection work, and the like can be performed efficiently. is there. This applies to claims 2 and 3 as well.

[0037]

[Effect] Since the present invention is configured as described above, the following effects are exhibited. 1. At the factory, stud bolts for cable support members,
Incorporation of a vibration-isolating spacer, etc., prevents easy falling off, saving the trouble of searching for materials at the construction site, contributing to the efficiency of cable support work, and preventing the occurrence of material falling accidents. It helps prevent the occurrence of personal injury caused by this accident. 2. If the stud bolt is used, the connection and disconnection of the cable support member can be easily performed, and the replacement of the support member or the increase or decrease in the number of the provided support members can be easily performed, which is convenient. . 3. One or more suitable number of semicircular recesses, one or more suitable number of semicircular recesses of equal or different diameter, one or more than one cable support member Supports an appropriate number (same number as semicircular recesses) of equal-diameter cables or different-diameter cables, and is more convenient than the conventional technology in which one cable support member can support only one cable. Along with
The above cable support work is not performed for each cable,
One or more suitable number of power supply lines can be performed at once,
This can contribute to improving the efficiency of cable support work.

[Brief description of the drawings]

FIG. 1 is a perspective view schematically showing a cable supporting device according to the present invention.

FIG. 2 is a plan view in which the pair of cable support members of claim 1 are separated.

FIG. 3 is an enlarged partial plan view of one of the cable support members in FIG. 2;

FIG. 4 is an enlarged sectional view taken along line (4)-(4) in FIG. 3;

FIG. 5 is an enlarged sectional view taken along line (5)-(5) in FIG. 3;

FIG. 6 is a partially enlarged cross-sectional plan view showing an example in which two cable support devices are connected to each other to connect two cable support members in a continuous manner.

FIG. 7 is a perspective view showing a main part of one of the cable support members in claim 1.

FIG. 8 is an exploded plan view of the cable support device in the claims.

FIG. 9 is a schematic perspective view of the cable support device according to claim 1;

FIG. 10 is an exploded plan view of a main part of FIG. 9;

FIG. 11 is an exploded plan view of a cable support device according to another embodiment of the present invention.

FIG. 12 is a perspective view of a conventional technique.

Claims (2)

(57) [Claims] 1. A pair of cable support members,
An appropriate number or one or more semi-circular concave portions having the same diameter or different diameters are arranged in opposition to each other, and the semi-circular concave portions are formed on both sides or one side portion of the semi-circular concave portion on the thick side intermediate portion. Forming a concave groove in a direction intersecting with the center line, and furthermore, at both side portions of the pair of cable support members which are separated from the semicircular concave portion,
A small-diameter hole for stud bolt and a large-diameter hole for stud bolt and stud nut are continuously penetrated and continuously drilled in a direction intersecting the center line of the semicircular concave portion and the groove forming direction,
A locking projection protruding toward the center line is protruded at an inner surface facing portion of the small diameter hole for the stud bolt, and an anti-vibration spacer fitted into the semicircular concave portion arranged in parallel with the opposing semicircular concave portion has a similar shape to the semicircular concave portion. Along with shaping into a cross-sectional shape, the anti-vibration spacer
A cable supporting device, wherein a bridge portion to be press-fitted into the concave groove is formed on a fitting side surface, and a small-diameter locking portion for locking to the locking projection is formed on a stud bolt inserted into the small-diameter hole for stud bolt. 2. One or more suitable number of one or more of the opposing surfaces of the first pair of cable supporting members and both side surfaces of the second cable supporting member interposed between the opposing surfaces of the first cable supporting member. A plurality of semicircular recesses having different diameters are respectively opposed to and arranged in parallel with each other, and the semicircular recesses are formed at thicker intermediate portions on both sides or one side of the semicircular recesses of the first and second cable support members. A concave groove is formed in a direction intersecting with the center line of the concave portion, and further, at both side portions of the first and second cable support members that deviate from the semi-circular concave portion, the center line of the semi-circular concave portion and the A small-diameter hole for stud bolt and a large-diameter hole for stud bolt and stud nut are continuously and concentrically drilled in a direction intersecting with the direction in which the concave groove is formed. The locking projections that protrude from A vibration isolating spacer fitted into the semicircular concave portion is formed into a cross-sectional shape similar to the semicircular concave portion, and a bridge portion press-fit into the concave groove is formed on the fitting side surface of the vibration isolating spacer. A cable supporting device, wherein a small diameter engaging portion for engaging with the engaging projection is formed on a stud bolt fitted into the small diameter hole for stud bolt.