JP2005127364A - Wire anti-sway device of suspension bolt - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform certain anti-sway of a suspension bolt by a wire by connecting an anti-sway wire to the suspension bolt. <P>SOLUTION: Fastening of fixing nuts 11 for fixing a supporting fitting 3 on an object 2 side to the suspension bolt 5 is performed by concentrically interposing two kinds of washers of a thick washer 6 for spacer on the supporting fitting 3 side and a metal washer 8 on the fixing nut 11 side into a gap between both surfaces of the supporting fitting 3 and each fixing nut 11. Thus, the anti-sway wire 12 from a diagonal direction is connected to any of many wire insertion holes 10 drilled in the outer periphery of the metal washer 8 in a lifted state from the supporting fitting 3, thereby performing the anti-sway of the suspension bolt 5 by the wire 12. Connection of the non-directional wire 12 to the suspension bolt is allowed. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to suspension of various objects such as lighting equipment, air conditioning equipment, ducts, cable racks, and the like on a concrete slab of a building, a roof structure material (hereinafter referred to as “concrete slab”), etc. by suspension bolts. The present invention relates to a suspension bolt swinging device used to form

  To prevent swinging of suspension bolts that are suspended and supported on concrete slabs, such as cable racks and ducts, for example, fittings on the suspension bolt side that are fitted and secured to the suspension bolts And a slanted bracket that is connected to the clamped piece of the bracket with bolts and nuts at an angle to form a support bracket. Suspension bolt bolt suspension in which the lower end portion is received in a through hole formed in the fastening piece of the inclined metal fitting and fastened with a fixing nut so that the suspension bolt is connected to the suspension bolt hanging from the concrete slab. The device is known.

JP 2002-339918 A

  In this case, the suspension bolt is securely supported by the anti-rotation bolt to prevent the suspension, and for example, it is possible to effectively prevent the object suspended and supported by an earthquake from swinging. In this case, in order to form a connecting bracket by a plurality of members, it is necessary to connect these components and the inclined bracket to the connecting bolt, and the work for steadying tends to be complicated. In addition, since the steady rest is performed by a steady bolt that connects the concrete slab and the suspension bolt at an angle, the steady rest bolt used for this tends to be long, and the cost of the steady rest tends to increase. .

  The present invention has been made in view of such circumstances, and the problem to be solved is that the suspension bolt and the wire can be simply connected with a simple structure as much as possible with respect to the steadying using the wire. It is another object of the present invention to provide a suspension bolt wire bracing device that can be used and that can reliably prevent the suspension bolt from swinging.

  In accordance with the above-described problems, the present invention provides a method for fastening a fixing nut (which may be referred to as a double nut) for fixing an object-side support metal fitting to a suspension bolt between at least one side surface of the support metal fitting and the fixing nut. A large number of metal washers installed in a floating state from the support bracket by using two types of washer, a thick washer for the side spacer and a metal washer on the fixed nut side in a polymerized manner. By connecting a bracing wire from an oblique direction to the wire insertion hole of the wire, it is possible to prevent the suspension bolt from wobbling with a wire, so that the wire can be coupled from either direction with a simple structure. The non-directionality of the suspension bolt is ensured, and the suspension bolt can be stably and reliably stopped. Using two types of washers, a thick washer for spacers and a metal washer with a large number of wire insertion holes on the outer periphery, these washers are placed on at least one side of the support bracket, and the fixing nut is tightened. The above-described suspension bolt is fixed by fixing the support bracket to the suspension bolt in a floating state separated from the support bracket and inserting a bracing wire from an oblique direction into an arbitrary wire insertion hole of the metal washer. It is made into the wire bracing apparatus of the suspension bolt characterized by connecting a bracing wire to.

  In addition to the above, the invention described in claim 2 improves the non-directionality of the wire connection and can easily cope with the wire connection from a plurality of directions. The suspension bolt wire bracing device according to claim 1, wherein the washer is arranged on both sides of the support fitting and the bracing wire is connected to one or both of the metal washers. It is what.

  In addition to the above, the invention according to claim 3 can ensure the washer function of the thick-walled washer with a high frictional resistance, and the metal washer as a spacer can be placed relatively inexpensively and reliably. The suspension bolt wire bracing device according to claim 1 or 2, wherein the thick washer for the spacer is used as a rubber washer so as to be secured.

  In addition to the above, the invention according to claim 4 makes the shape of the metal washer simple and easy to use, and can further ensure the non-directionality of the wire connection. The metal washer is a circular flat plate, and its wire insertion holes are arranged at six equal intervals of 60 degrees pitch from the central axis of the suspension bolt. It is set as the wire bracing apparatus of the suspension bolt as described in 1 ..

  Since the present invention is configured as described above, the invention according to claim 1 is configured such that the fixing nut for fixing the object-side support bracket to the suspension bolt is fastened at least between one side of the support bracket and the fixing nut. In addition, a thick washer for the spacer on the side of the support bracket and a metal washer on the side of the fixing nut are placed on the outer periphery of the metal washer. It is possible to connect the wire from any direction by connecting the suspension wire from the oblique direction to the arbitrary through-hole of the wire and making the suspension bolt to prevent the suspension with the wire. A suspension bolt wire that enables non-directional wire connection and enables stable and reliable suspension of the suspension bolt. It is possible to provide an over steady rest.

  In addition to the above, the invention described in claim 2 can improve non-directionality of wire connection and can easily cope with wire connection from a plurality of directions.

  In addition to the above, the invention according to claim 3 can ensure the washer function of the thick-walled washer with a high frictional resistance, and the metal washer as a spacer can be placed relatively inexpensively and reliably. It can be ensured.

  In addition to the above, the invention described in claim 4 is to make the shape of the metal washer simple and easy to use, and further ensure the non-directionality of the wire connection. be able to.

  Hereinafter, the present invention will be described in more detail with reference to the example of the drawings. 1 is a concrete slab, 2 is an object suspended and supported by a suspension bolt 5 suspended from the concrete slab 1, and 3 is installed on the object 2. A support fitting such as a bracket or the like provided with a bolt through hole 4 for supporting an object suspended and clamped by a fixing nut 11 is shown.

  The suspension bolt 5 is prevented from shaking at the fastening portion 3 of the fixing nut 11 by means of a restraining wire 12 which is also arranged obliquely with respect to the suspension bolt 5 from the concrete slab 1. It is assumed that earthquake resistance is ensured so as to prevent the object 2 from swinging due to an earthquake.

  The suspension bolt 5 is connected to the metal washer 8 by using two types of washers, a thick washer 6 and a metal washer 8 at the fastening portion 3 of the fixing nut 11. It is said that this has been done.

  That is, the thick washer 6 is used as a spacer, and the metal washer 8 is a solid cylindrical shape having a large number of wire insertion holes 9 formed on the outer periphery. The two types of washers 6 and 8 are attached to the support fitting 3. By placing the metal washer 8 on the at least one surface and fastening the fixing nut 11, the metal washer 8 is floated away from the support fitting 3, and the support fitting 3 is fixed to the suspension bolt 11. The bracing wire 12 is connected to the suspension bolt 5 by inserting the bracing wire 12 from an oblique direction into the wire insertion hole 10.

  At this time, the two types of washers 6 and 8 in this example are superposed on both sides of the support fitting 3 to connect one or both of the bracing wires 12, in the illustrated example, higher than the suspension bolt 5. This is performed for one metal washer 8 located in the position.

  The thick washer 6 is a rubber washer in this example. For example, a synthetic rubber is formed into a thick ring shape, and the bolt shaft of the suspension bolt 5 is passed through the bolt through hole 9 at the center thereof and attached to the bolt shaft. In this example, the rubber washer has a flat circular shape slightly larger than the fixing nut 11 and has a thickness of about 1 to 2 cm or thicker than the fixing nut 11. A corresponding interval is secured and the metal washer 8 is in a floating state so that the bracing wire 12 can be easily inserted into the wire insertion hole 10.

  In this example, the metal washer 8 is a circular flat plate, and the wire insertion holes 10 are arranged at six equal intervals of 60 degrees pitch from the central axis of the suspension bolt 5, for example, fixed A relatively thick metal, for example, a steel plate, having a diameter of about 3 cm or more and projecting from the outer diameter of the nut 11 to the outer circumference of about 1 cm or more and having a thickness of about 1.5 to 2 or 3 mm. , The bolt through hole 7 at the center and the six wire insertion holes 10 in the above-described example in the outer periphery are formed in a large diameter and thick disk shape.

  The suspension of the object 2 by the suspension bolt 5 using these two types of washers 6 and 8 and the steadying of the suspension bolt 5 by the bracing wire 12 are applied to the support fitting 3 from the side of the support fitting 3 with a thick washer 6 and metal. The washer 8 is disposed, and the fixing nut 11 is fastened with the washers 8 interposed therebetween, and the bracing wire 12 is connected to the metal washer 8. The metal washers 8 are provided on both sides of the support fitting 3. In this example, the procedure is such that the upper fixing nut 11 is screwed onto the suspension bolt 5, and the metal washer 8, the thick washer 6, the support bracket 3, the thick washer 6, and the metal washer 8 are disposed below the suspension nut 5. Are mounted in this order, one fixing nut 11 on the lower side is screwed, and both the upper and lower fixing nuts 11 are fastened to match the height of the supporting bracket 3 to fix the supporting bracket 3 to the fixing nut. 11 performs the fixing by tightening nipped by, then it is sufficient to connect any Futome wire 12 to the wire insertion hole 10 of the metal washer 8. At this time, the metal washer 6, the thick washer 8 and the support fitting 3 may be mounted by penetrating the suspension bolts 5 into the bolt through holes 4, 7, 9 installed respectively. The connection of the retaining wire 12 to the wire insertion hole 10 is achieved by connecting the retaining wire 12 from the concrete slab 1 to an arbitrary wire insertion hole 10, that is, a wire insertion hole 10 generally closest to the stabilization wire 12, and a metal washer 8. The fastening wire 12 is fixed in a loop shape from the upper and lower sides of the wire, that is, an appropriate fastener such as crushing the inserted tip at a position near the loop of the shaking wire 12 using, for example, an aluminum sleeve. The fixing may be performed using 13 or the like. In order to provide the metal washer 8 on one side of the support fitting 3, the thick washer 6, the metal washer 8 and the fixing nut 11 are similarly arranged on one side from the support fitting 3 side. Then, the support metal fitting 3 may be clamped and fixed in the same manner by fastening the fixing nut 11 via a washer arranged on the suspension bolt 5 according to a conventional method.

  In this example, since the metal washers 8 are provided on both sides of the support fitting 3, the wire insertion holes 10 at each of the six sides on both sides are generally arranged at 12 locations in the vertical direction with the positions shifted on both sides. It is possible to connect the bracing wire 12 to the metal washer 8 in a non-directional manner in response to the bracing wire 12 from any arbitrary direction on site, and either or both according to the needs of the site. The effect of steadying the suspension bolt 5 can be improved by connecting a plurality of bracing wires 12 from a plurality of oblique directions to the metal washer 8.

  By using the anti-vibration device of this example configured as above, the thick washer 6 becomes a spacer between the support fitting 3 and the metal washer 8, and the metal washer 8 is floated from the support fitting 3, The bracing wire 12 can be inserted into the wire insertion hole 10 easily and reliably by hand, and when the object 2 is supported by the suspension bolt 5, at the same time, the metal washer 8 is extremely simple. The suspension bolt 5 can be easily prevented from being steady, and the suspension wire 12 can be reliably prevented from being steady by using the steadying of the stabilization wire 12 as the fastening portion of the support fitting 3 of the fixing nut 11. Low-cost steadying of the suspension bolt 5 with the two types of washers 6 and 8 and the wire 12 without using a special connection fitting It can be Umono.

  Although the example shown in the figure is as described above, the metal washer is rectangular or rectangular and four wire insertion holes are arranged on the diagonal line, and four more are additionally arranged between them, for a total of eight places. A metal washer with a petal shape and a wire insertion hole at the protruding tip, a thick washer made of synthetic resin such as nylon, and a composite of metal and synthetic resin, In carrying out the present invention, including forming the wall washer with a plurality of members capable of ensuring the spacer function, etc., the thick washer, the metal washer, its wire insertion hole, the support fitting, the fixing nut, the bracing wire, Specific shapes, structures, materials, relations, additions to these, specific methods for steadying, etc., such as rubber washers used as necessary It can be in a variety of forms as long as it is not contrary to the light of the subject matter.

It is a perspective view which shows the steady stop support state of a suspending bolt. It is an expansion perspective view which shows the principal part. It is a disassembled perspective view of the principal part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Concrete slab 2 Object 3 Support metal fitting 4 Bolt through-hole 5 Suspension bolt 6 Thick washer 7 Bolt through-hole 8 Metal washer 9 Bolt through-hole 10 Wire penetration hole 11 Fixing nut 12 Anti-shock wire 13 Fixing metal

Claims (4)

  Use two types of washers, a thick washer for spacers and a metal washer with a large number of wire insertion holes on the outer periphery, and place these washers on at least one side of the support bracket to tighten the fixing nut. The metal washer is in a floating state separated from the support metal fitting, and the support metal fitting is fixed to the suspension bolt, and a swinging wire from an oblique direction is inserted into an arbitrary wire insertion hole of the metal washer. A wire bolting device for a suspension bolt, characterized by connecting a stop wire.   2. The suspension bolt according to claim 1, wherein the two types of washers are superposed on both sides of the support fitting and the bracing wire is connected to one or both metal washers. Wire bracing device.   3. The suspension bolt wire anti-vibration device according to claim 1, wherein the thick washer for the spacer is a rubber washer.   The said metal washer is made into a circular flat plate, The wire penetration hole is arrange | positioned at equal intervals of six places of 60 degree pitch from the center axis | shaft of a suspending bolt. Wire bolting device for hanging bolts.

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