JP4095548B2 - Cable rack steady rest bracket - Google Patents

Description

  The present invention relates to an anti-skid fitting used for anti-swaying of a cable rack used when arranging a cable for power distribution or the like.

  2. Description of the Related Art Conventionally, a cable rack is disposed in a space near the ceiling of a building and a cable for power distribution is disposed in the cable rack. In the cable rack, a pair of long main girders are arranged to face each other, and a plurality of small girders are installed between the lower ends of the facing parent girders to form a long ladder shape. The cable rack is placed on a support structure material such as an angle member, and is attached to the support structure material by a steady-state fitting 5 as shown in FIG. 5 so that the cable rack does not run out.

  The steady rest metal fitting 5 shown in FIG. 5 includes a locking portion 9 for locking to the upper end of the intermediate beam 8 along the outer surface of the main beam of the cable rack, A hook 10 is provided to be hooked from the tip to the inside of the main beam, a lower horizontal piece 19 is provided at the lower end of the intermediate portion 8, and a fixing member 4 for locking the supporting structure material to the lower horizontal piece 19 is a bolt 17, It is configured by connecting with a nut 18. Then, in a state where the cable rack is placed on the support structural member, the locking portion 9 is locked to the upper end portion of the parent beam and the hook portion 10 is hooked to the inner side of the parent beam so that the lower end portion of the fixing member 4 is engaged. The stopper 16 is locked to the lower end of the support structure (for example, if the support structure is an angle, the lower end of the vertical piece of the angle), and the nut is tightened so that the cable rack cannot be shaken by the anti-rest fitting 5. To be attached to the support structure.

  However, in the above-described conventional steady rest metal fitting 5, the locking portion 9 is formed in a size corresponding to a single-size parent girder, and is therefore used for a different size parent girder. For this reason, a plurality of types of steadying metal fittings 5 having different sizes of the locking portions 9 are necessary, which increases the manufacturing cost. In addition, other types of steadying metal fittings 5 are used in construction. There was a problem that the workability was poor.

For example, Patent Document 1 is known as such a conventional example.
JP-A-4-61415

  The present invention has been made in view of the above points, and is a cable rack that can be securely shaken by attaching a plurality of types of cable racks having different parent girder sizes to a support structure member by a single type of steadying bracket. It is an object to provide a steady rest metal fitting.

  In order to solve the above-described problems, a cable rack steadying bracket according to the present invention includes a locking member 2 that is locked to the cable rack 1, and a fixing member that is connected to the locking member 2 and is locked to the support structural member 3. 4 is provided with a connection part 11 for connecting the fixing member 4 to the lower end part of the intermediate part 8 for fitting along the outer surface of the main beam 7 of the cable rack 1. , A locking portion 9 for locking to the upper end of the main beam 7, a hooking portion 10 provided at one end portion of the locking portion 9 and hooked inside the parent beam 7, and provided at the other end portion of the locking portion 9. A movable member 21 having a connecting piece 20 is formed, and the connecting member 20 of the movable member 21 is connected to the upper end portion of the intermediate portion 8 by a bolt 22 and a nut 23 to constitute the locking member 2. Is.

  By adopting such a configuration, the tightening amount of the nut 23 is adjusted according to the difference in the size of the parent beam 7 of the cable rack 1 so as to correspond to the width of the upper end portion of the parent beam 7. Even if the size of the parent beam 7 is different, the locking portion 9 is locked to the upper end portion of the parent beam 7 and the hook portion 10 is hooked and locked to the inner side of the parent beam 7 so that the intermediate portion 8 is Along with the outer surface of the main beam 7, the nut 23 is tightened, and the fixing member 4 is locked to the support structural member 3. A girder 7 is attached to the support structural member 3 to prevent the cable rack 1 from swinging.

  The present invention adjusts the tightening amount of the nut so as to correspond to the width of the upper end of the main beam according to the difference in the size of the main beam of the cable rack even if the size of the main beam is different. The locking part is locked to the upper end of the main beam and the hook is hooked to the inner side of the main beam, the middle part is aligned with the outer surface of the main beam, the nut is tightened, and the lower part of the fixing member is locked By locking the part to the lower end of a support structure material such as an angle member, you can attach various sizes of main girders to the support structure material using the anti-rest bracket and prevent the cable rack from steadying. The mold cost for manufacturing the steady rest is reduced, and there is an advantage that even if the construction is performed, it is not necessary to have another kind of steady rest as in the prior art and the workability is good.

  An embodiment of the present invention is shown in FIG. 4, and reference examples are shown in FIGS. Before describing the embodiment of the present invention shown in FIG. 4, in order to explain the relationship among the cable rack 1, the steady rest 5, and the support structure 3, first, a reference example shown in FIGS. 1 to 3 will be described.

  In the cable rack 1, as shown in the reference examples of FIGS. 2 and 3, a pair of long main beams 7 are arranged to face each other, and a plurality of small beams 13 are installed between the lower ends of the opposed parent beams 7. It is shaped like a long ladder. The cable rack 1 is placed on a support structure material 3 such as an angle member, and is attached to the support structure material 3 by a later-described steadying metal fitting 5 so that the cable rack 1 is not laterally shaken. Here, the supporting structural member 3 is constituted by a structure suspended from a structural member (not shown) such as a building slab or beam by a bolt (not shown), or the supporting structural member 3 itself. May be a structural material of a building.

  As shown in FIG. 1, the steady rest 5 used as a reference example is connected to the locking member 2 attached to the main beam 7 of the cable rack 1, the locking member 2 via the connecting means, and the support structural member 3. It is comprised with the fixing member 4 which stops.

  The locking member 2 is formed in a size corresponding to the size of the one main beam 7a at one end portion in the vertical direction of the intermediate portion 8 for extending along the outer surface of the main beam 7 of the cable rack 1. A first locking portion 9a for locking to the upper end of the main beam 7a and a first hooking portion 10a that is hooked inwardly of the one main beam 7 from the tip of the first locking portion 9a. 1 is provided at the other end of the intermediate portion 8 in the vertical direction, and is formed in a size corresponding to the parent beam 7b of another size. A second locking portion 9b for locking to the second locking portion 9b, and a second hooking portion 10b hooked from the tip of the second locking portion 9b to the inside of the other size main beam 7b. The first locking portion 9a and the second locking portion 9b are different in size (that is, in FIG. 1). Kicking dimensions a and the dimension b is 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 constitute a connecting portion 11 for connecting to the fixing member 4, respectively. A hole 11a is provided.

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

  Then, the bolt 17 constituting the connecting means is inserted from the hole 11a with either the first locking portion 9a or the second locking portion 9b facing down, and the bolt 17 is further connected to the upper connecting piece of the fixing member 4 The steady rest 5 is configured by inserting the nut 18 through the 14 holes 15.

  In order to mount the cable rack 1 on the support structure material 3 such as an angle member using the steady rest metal fitting 5 having the above-described configuration, as shown in FIG. The locking portion 9 having a size corresponding to the size of the one main girder 7a (this locking portion 9 is referred to as the first locking portion 9a) is placed on the top. The second locking portion 9b that does not correspond to the size of the main beam 7a is on the lower side, and is fixed to the lower locking portion 9b side using the bolt 17 and the nut 18 as described above. The member 4 is used as connected. Then, the first locking portion 9a located above the upper end portion of the one parent beam 7a is locked, and the first hooking portion 10a is hooked inward of the one parent beam 7a, and the intermediate portion 8 is Along the outer surface of the one main beam 7a, 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 member, and the nut 18 is tightened in this state. In this way, the cable rack 1 is prevented from being shaken by attaching the one main beam 7a to the support structural member 3 by using the steadying metal fitting 5.

  On the other hand, when the main beam 7 of the cable rack 1 to be attached has a size different from that of the one main beam 7a, the size corresponding to the other size of the main beam 7b is obtained as shown in FIG. The second locking portion 9b is on the upper side, and the first locking portion 9a that does not correspond to the other size main beam 7b is on the lower side and the first locking portion located below the first locking portion 9b As described above, the fixing member 4 is connected to the portion 9a side by using the bolt 17 and the nut 18 as described above. And the 2nd latching | locking part 9b located on the upper end part of the main beam 7b of another magnitude | size is latched, and the 2nd hook part 10b is inward of the parent girder 7b of another magnitude | size. The intermediate portion 8 is placed along the outer surface of the other size main beam 7b, 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 member. In this state, the nut 18 is tightened, and in this way, the other main girder 7b is attached to the support structural member 3 by using the steady-fitting metal fitting 5 to prevent the cable rack 1 from steadying.

  In any of the above cases, even if the vertical length of the main girder 7 or the vertical length of the support structural member 3 is different, it can be easily handled by changing the tightening amount of the nut 18 and securely using the anti-rest fitting 5. The girder 7 can be attached to the support structure 3.

  As described above, since the cable racks 1 having different sizes of the main girders 7b can be attached to the support structural member 3 by the common anti-rest fitting 5, the plural kinds of anti-rest fittings 5 are not necessary. The die cost for manufacturing the fastener 5 is reduced, and since it is not necessary to construct with a plurality of kinds of steady rests 5 in the construction, the construction can be easily performed.

  In the reference example shown in FIG. 1 to FIG. 3, the first locking means 6a and the second locking means 6b each having the connecting portion 11 are provided at one end and the other end of the intermediate portion 8 in the vertical direction. The cable racks 1 having different sizes of the main girders 7b are attached to the support structure member 3 by the common steady-state fittings 5 so as to be steady. However, the steady-state fittings 5 according to the embodiment of the present invention shown in FIG. Unlike the above reference example, has the following configuration.

  That is, as shown in FIG. 4, in the embodiment of the present invention, a lower horizontal piece 19 is provided at the lower end portion of the intermediate portion 8 for extending along the outer surface of the main beam 7 of the cable rack 1. A movable member 21 is configured by the stop portion 9, the hook portion 10 that hangs downward from one end portion of the locking portion 9, and the connection piece 20 that protrudes upward from the other end portion of the locking portion 9. The connecting piece 20 of the movable member 21 is connected to the upper end portion of the intermediate portion 8 by a bolt 22 and a nut 23 to constitute the locking member 2, and the lower horizontal piece 19 and the upper connecting piece 14 of the fixing member 4 are connected to the bolt. 17, the steady rest 5 is configured by connecting using a nut 18. In this embodiment, the movable member 21, the bolt 22, and the nut 23 constitute the locking means 6 that can be locked to a plurality of types of cable racks 1. In the present embodiment, the amount of tightening of the nut 23 is adjusted according to the difference in the size of the main beam 7 of the cable rack 1, and the dimension M in FIG. Even if the size of the parent beam 7 is different, the locking portion 9 is locked to the upper end portion of the parent beam 7 and the hooking portion 10 is placed inward of the parent beam 7. Hook and lock the intermediate portion 8 along the outer surface of the main beam 7, tighten the nut 23, and further lock the lower locking portion 16 of the fixing member 4 to the lower end of the support structure material 3 such as an angle member, In this state, the nut 18 is tightened. In this way, the main rack 7 of various sizes is attached to the support structural member 3 using the anti-rest fitting 5 to prevent the cable rack 1 from being steady. is there.

It is a disassembled perspective view of one Embodiment of the steady rest metal fitting of a reference example. It is a perspective view which shows the example of 1 use same as the above. It is a perspective view which shows the other usage example same as the above. It is a disassembled perspective view of other embodiment of the steady rest of this invention. It is a disassembled perspective view of the steady rest metal fitting of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cable rack 2 Locking member 3 Support structure material 4 Fixing member 5 Stabilizing metal fitting 6 Locking means 7 Parent girder 8 Middle part 11 Connection part

Claims (1)

A cable rack steadying bracket comprising a locking member for locking to a cable rack, and a fixing member connected to the locking member and locked to a support structure, and is provided along the outer surface of the main girder of the cable rack. A connecting part for connecting the fixing member is provided at the lower end of the intermediate part for locking, and a locking part for locking to the upper end of the parent girder is provided at one end of the locking part and pulled inwardly to the parent girder. A movable member having a hooking portion to be hooked and a connecting piece provided at the other end of the locking portion is configured, and the locking member is configured by connecting the connecting piece of the movable member to the upper end portion of the intermediate portion with a bolt and a nut. A cable rack steadying bracket characterized by comprising:

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