JP3536732B2 - Cable rack steady rest - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steady rest for use in arranging a cable rack used for arranging cables for power distribution or the like.

[0002]

2. Description of the Related Art Conventionally, a cable rack is arranged in a space near a ceiling of a building, and cables for power distribution are arranged in the cable rack. The cable rack is formed in a long ladder shape by arranging a pair of long parent girders facing each other, and extending a plurality of small girders between lower ends of the facing parent girders. The cable rack is mounted on a support structure such as an angle member and is attached to the support structure by a steadying bracket 5 as shown in FIG. 4 so that the cable rack is prevented from swaying.

[0003] A steady rest 5 shown in FIG . 4 is provided with an engaging portion 9 for engaging the upper end of the main girder at the upper end of an intermediate portion 8 for making the cable rack conform to the outer surface of the main girder. A hook 10 is provided to be hooked inward of the parent girder from the tip of the part 9,
The lower horizontal piece 19 is provided at the lower end of the intermediate portion 8, and the lower horizontal piece 19 is connected to the fixing member 4 for locking to the supporting structure material by bolts 17 and nuts 18. And
With the cable rack placed on the supporting structure, the locking portion 9 is locked on the upper end of the main girder, and the hook portion 10 is hooked inward of the main girder. 16
To the lower end of the supporting structure (for example, if the supporting structure is an angle, the lower end of the vertical piece of the angle) and tighten the nut to prevent the cable rack from swinging by the steady rest 5. We attach to materials.

[0004] However, the above-mentioned conventional steady rest 5
, The locking portion 9 is formed in a size corresponding to a single-sized parent girder, and therefore cannot be used for a parent girder of a different size. Hardware 5
It is necessary to use a plurality of types of locking portions 9 having different sizes, which increases the manufacturing cost. In addition, it is necessary to use other types of anti-vibration metal fittings 5 when performing the installation, and the workability is increased. There was a problem of bad.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and a plurality of types of cable racks having different parent girder sizes are attached to a supporting structure using a single type of steady rest. SUMMARY OF THE INVENTION It is an object of the present invention to provide a cable rack steady rest which can be reliably rested.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a cable rack steady rest according to the present invention is provided with a locking member 2 for locking to a cable rack 1, a connecting member for connecting to the locking member 2, and a supporting member. A steady rest 5 for a cable rack having a fixing member 4 to be locked to the structural material 3, and an intermediate portion 8 along the outer surface of the parent girder 7 of the cable rack 1.
A first locking portion 9a formed at one end in the up-down direction and having a size corresponding to the size of one master girder 7a for locking the upper end of the one master girder 7a; A first hooking portion 10a which is hooked inward from the leading end of the locking portion 9a to the one main girder 7;
The first locking means 6a is formed at the other end in the vertical direction of the intermediate portion 8 and is formed in a size corresponding to the parent girder 7b of another size. And a second hook 10b hooked from the tip of the second hook 9b to the inside of the parent girder 7b of another size. Providing second locking means 6b,
Both the first locking means 6a and the second locking means 6b are provided with a connecting portion 11 for connecting to the fixing member 4 which is locked to the support structural member 3, thereby forming the locking member 2. It is also a feature. With such a configuration, when connecting one parent girder 7a to the support structure member 3, the first locking portion 9a of the steady rest 5 is locked to the upper end of the one parent girder 7. At the same time, the first hook portion 10a is hooked inside the one parent girder 7, and the intermediate portion 8 is made to extend along the outer surface of the one parent girder 7a,
By connecting the fixing member 4 to be attached to the support structure member 3 to the connection portion 11 provided on the second locking means 6b, the one main girder 7 is attached to the support structure member 3 using the steady rest 5. The cable rack 1 is to be stabilized. Further, when connecting the parent girder 7b of another size to the support structure member 3, the second locking portion 9b of the steady rest 5 is locked on the upper end of the parent girder 7b of another size. The second hook portion 10b is hooked inside the parent girder 7b of the other size, and the intermediate portion 8 is placed along the outer surface of the parent girder 7b of the other size.
By connecting the fixing member 4 to be attached to the support structure member 3 to the connecting portion 11 provided on the locking means 6a,
The other main girder 7b is attached to the support structure member 3 by using to prevent the cable rack 1 from swaying .

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on embodiments shown in the accompanying drawings.

The cable rack 1 is formed by arranging a pair of long parent girders 7 so as to face each other, and extending a plurality of small girders 13 between lower ends of the opposing parent girders 7 to form a long ladder. is there. The cable rack 1 is mounted on a supporting structure 3 such as an angle member and is attached to the supporting structure 3 by a later-described anti-vibration metal fitting 5 so as to prevent the cable rack 1 from swaying. Here, the support structural member 3 may be formed by suspending a building structural member (not shown) such as a building slab or a beam by a bolt (not shown), or the support structural member 3 itself. May be a structural material of a building.

As shown in FIG. 1, a steady rest 5 used in the present invention is connected to a locking member 2 attached to a main girder 7 of a cable rack 1 and connected to the locking member 2 via connecting means.
And a fixing member 4 that is locked to the support structure 3 .

The locking member 2 is connected to the parent girder 7 of the cable rack 1.
A first portion is formed at one end in the vertical direction of the intermediate portion 8 to fit along the outer surface of the first main girder 7a to be locked to the upper end of the one main girder 7a. Locking part 9a
And a first hooking means 6a comprising a first hooking portion 10a hooked from the tip of the first locking portion 9a to the inside of the one parent girder 7, and furthermore, A second locking portion 9b formed at the other end in a size corresponding to the main girder 7b of another size, for locking to the upper end of the main girder 7b of the other size; A second hooking portion 10b hooked from the tip of the locking portion 9b to the inside of the parent girder 7b of the other size
And a second locking means 6b comprising:
The first locking portion 9a and the second locking portion 9b have different sizes (that is, the dimensions a and b in FIG. 1 are different). Further, the first locking portion 9a of the first locking means 6a and the second locking portion 9b of the second locking means 6b each have a connecting portion 11 for connecting to the fixing member 4. A hole 11a is provided.

The fixing member 4 is provided with an upper connecting piece 14 having a hole 15 at an upper end and a lower engaging portion 16 bent at a lower end at a lower end.

Then, a bolt 17 constituting a connecting means is inserted from the hole 11a with one of the first locking portion 9a and the second locking portion 9b facing down, and the bolt 17 is further fixed to the fixing member 4. The steady rest 5 is formed by inserting the nut 18 into the hole 15 of the upper connecting piece 14 and screwing the nut 18.

In order to mount the cable rack 1 on the support structure material 3 such as an angle material using the steady rest 5 having the above structure, as shown in FIG. 2, the parent of the cable rack 1 to be mounted is used. Digit 7 (this is one parent digit 7a)
The locking portion 9 having a size corresponding to the size of the first main girder 7a (this locking portion 9 is referred to as a first locking portion 9a) is set to the upper side. The second locking portion 9b is lower, and the fixing member 4 is connected to the second locking portion 9b located below using the bolt 17 and the nut 18 as described above. And one parent digit 7
a first locking portion 9a located on the upper end of the first main girder 7a, the first hooking portion 10a is hooked inside the one main girder 7a, and the intermediate portion 8 is connected to the one main girder 7a. And the lower locking portion 16 of the fixing member 4 is locked to the lower end of the support structure material 3 such as an angle material.
In this way, one main girder 7a is attached to the supporting structure 3 using the steady rest 5 so that the cable rack 1 is rested.

On the other hand, the cable rack 1 to be mounted
In the case where the parent girder 7 has a size different from that of the above-mentioned one main girder 7a, as shown in FIG. 3, the second locking portion 9b having a size corresponding to the parent girder 7b having the other size is raised. And the first locking portion 9a which does not correspond to the parent girder 7b of another size.
And the fixing member 4 is connected to the first locking portion 9a located below using the bolt 17 and the nut 18 as described above. Then, the second locking portion 9b located above the upper end of the parent girder 7b of another size
And the second hook portion 10b is hooked inside the parent girder 7b of another size, the intermediate portion 8 is arranged along the outer surface of the parent girder 7b of another size, and the fixing member 4 locks the lower locking portion 16 to the lower end of the support structure material 3 such as an angle material, and tightens the nut 18 in this state.
In this way, the other parent girder 7b is
Is attached to the supporting structure 3 to prevent the cable rack 1 from swaying.

In any of the above cases, even if the vertical length of the parent girder 7 and the vertical length of the support structure 3 are different, the anti-vibration metal fitting 5 can be easily and reliably changed by changing the tightening amount of the nut 18. The main girder 7 can be attached to the support structure member 3 by using this.

As described above, since the cable racks 1 having different sizes of the main girders 7b can be attached to the supporting structure 3 by the common anti-sway fitting 5, the plurality of types of the anti-sway fittings 5 are not required. As a result, the die cost for manufacturing the steady rest 5 is reduced, and since it is not necessary to carry out the work with a plurality of types of steady rests 5 in the construction, the construction can be performed easily .

[0017]

As described above, according to the present invention , a size corresponding to the size of one parent girder is provided at one end in the vertical direction of the intermediate portion for extending along the outer surface of the parent girder of the cable rack. A first locking portion formed and locked to the upper end of the one main girder; and a first hook portion hooked inward from the tip of the first locking portion to the one main girder. Providing first locking means,
A second locking portion formed at the other end in the vertical direction of the intermediate portion to have a size corresponding to the parent girder of another size, and locking the upper end of the parent girder of the other size; A second locking means including a second hook portion hooked from the tip of the second locking portion to the inside of the parent girder of the other size is provided, and the first locking means and the second locking device are provided. Each of the locking means is provided with a connecting portion for connecting to a fixing member which is locked to the support structure member, so that the locking member is constituted. Alternatively, a corresponding one of the second locking portions is selected and locked to the parent girder, and a fixing member to be attached to the support structure material is connected to a connecting portion provided in the second or first locking means. By doing so, it is possible to attach two types of cable racks having different parent girder sizes to the supporting structure using a single kind of simple structure of the steady rest. And a kill things, mold cost of producing the anti-vibration fittings is reduced, and also hit the construction,
There is an advantage that the workability is good because it is not necessary to work with other types of steady rests as in the related art .

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment of a steady rest according to the present invention.

FIG. 2 is a perspective view showing an example of use of the above.

FIG. 3 is a perspective view showing another example of use of the above.

FIG. 4 is an exploded perspective view of a conventional steady rest.

[Explanation of symbols]

1 Cable rack 2 Locking member 3 Supporting structural materials 4 Fixing member 5 Anti-sway fittings 6 Locking means 6a First locking means 6b Second locking means 7 parent digits 7a One parent digit 7b Parent girder of other size 8 Middle part 9a First locking part 9b Second locking part 10a First hook 10b Second hook 11 Connecting part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-193403 (JP, A) JP-A-62-84978 (JP, U) JP-A-62-91513 (JP, U) JP-A-8-19313 (JP, U) 61415 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) H02G 3/00

Claims (1)

(57) [Claims] A locking member for locking to a cable rack;
And a fixing member connected to the locking member and locked to the supporting structure material, the metal rack being provided with a steadying member, wherein one end in the vertical direction of an intermediate portion for extending along the outer surface of the parent girder of the cable rack. A first locking portion formed to have a size corresponding to the size of the one main girder and locking the upper end of the one main girder; A first locking means including a first hook portion hooked inward of the main girder is provided, and is formed at the other end in the vertical direction of the intermediate portion in a size corresponding to a main girder of another size. A second locking portion for locking to an upper end of a parent girder of another size, and a second hooking portion hooked from the tip of the second locking portion to the inside of the parent girder of the other size. A second locking means is provided, and both the first locking means and the second locking means are connected to a fixing member which is locked to the supporting structure. Bracing bracket cable racks, characterized by comprising constitutes a locking member provided with a connection portion for.