JPH0633104Y2 - Hanging scaffold mounting bracket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a hanging scaffolding mounting bracket used when a scaffolding plate is erected in a suspended state under a steel beam or the like.

(Prior Art) A conventional metal fitting of this type is,
There is a "hanging tool for scaffolding device" disclosed in Japanese Patent Publication No.

This is configured such that the sandwiching fixing of the two hanging rods to the steel beam depends on the pulling-like fixing by the two connecting rods locked to the hanging rod in a link manner. It was a thing.

(Problems to be Solved by the Invention) In the conventional example as described above, the above-described fixing of the suspension rod, that is, the fixing operation to the steel beam is inevitably accompanied by a considerable complexity.

The present invention aims to solve the problems in the prior art, and at the same time, the bolts and nuts for fixing the same may cause an unexpected drop during the tightening operation or the loosening operation. It is characterized by being configured so as to prevent the situation from occurring.

(Means for Solving the Problems) The present invention is directed to both ends of the scaffolding plate erection rod 1 and clamps 3 at the upper end.
While installing the handrail rod installation pole rods 2, 2 with 3 installed,
The lower ends of the hanging rods 4 and 5 each having the hooks 4a and 5a for engaging with the steel beam B fixed to the upper ends thereof are rotatably pivotally attached to the central portion of the scaffolding plate erection rod 1, and The suspension rods 4 and 5 are provided with connecting pieces 9 and 10 which are mutually superimposable, and fixing bolt insertion holes 9a and 10 are attached to the connecting pieces 9 and 10.
Each slide hole 11a is formed so that it can be fitted, and further, a slide piece 11 having a fixing nut 12 fixed at the tip for matching with the fixing bolt insertion hole is slid and rotated with respect to one suspension rod. A suspension characterized in that the tip end of the chain 15 is connected to a fixing bolt 14 that is freely supported and screwed into the fixing nut 12, and the base end of the chain 15 is appropriately connected to a member. It concerns a scaffolding attachment.
Further, the fixing bolt insertion holes 9a and 10a formed in the above-mentioned connecting pieces 9 and 10 are configured so that a plurality of fixing bolt insertion holes are formed so as to be able to match, except that this is a single piece. You may.

(Operation) When the present invention is used, the hook piece for engaging the steel beam B
By fixing the hanging rods 4 and 5 with the 4a and 5a locked, the metal fittings of the present invention are hung at predetermined intervals with respect to the steel frame beam B. A scaffold board is erected between 1 to form a suspended scaffold. Further, handrails are installed on the cranks 3, 3 attached to the upper ends of the column rods 2, 2 to form handrails.

On the other hand, the suspension rods 4 and 5 are fixed as described above.
Overlap the connecting pieces 9 and 10 to match the bolt insertion holes 9a and 10a,
While inserting the fixing bolt 14 into the matching hole,
The purpose of fixing is achieved by screwing on the fixing nut 12.

Further, since the fixing nut 12 is fixed to the slide piece 11 that is slidably and rotatably supported, even if there are a plurality of bolt insertion holes 9a and 10a formed in the connecting pieces 9 and 10, it is possible to arbitrarily. It can be located at the desired mating hole portion. Further, since the fixing bolt 14 is in a suspended state via the chain 15, it is possible to prevent an accidental drop when the fixing bolt 14 is tightened or loosened. And a fixing nut that is screwed into this
Since 12 is fixedly positioned in the matching hole portion as described above, the tightening operation and the loosening operation of the bolt 14 can be performed extremely easily.

(Embodiment) An embodiment of the present invention will be described in detail with reference to the drawings.

In the figure, reference numeral 1 is a scaffolding plate erection rod, and column rods 2, 2 for erection of handrail rods are erected at both ends thereof. Reference numerals 3 and 3 denote clamps attached to the upper ends of the pole rods 2 and 2 for sandwiching and mounting the handrail rods A and A. It should be noted that the scaffolding plate erection rod 1 is configured so that the end of a scaffolding plate (not shown) can be hooked.

Reference numerals 4 and 5 denote hanging rods whose lower ends are pivotally attached to the central portion of the scaffolding plate installation rod 1, and whose upper ends are
Engaging hook pieces 4a, 5a for the steel beam B are fixedly mounted, and fastening bolts 4b, 5b for fixing the steel beam B are screwed to the engaging hook pieces 4a, 5a.

7,8 are pivotal fittings attached to the scaffolding board erection rod 1,
It serves to support the lower ends of the hanging rods 4 and 5 to be pivotally attached.

Reference numerals 9 and 10 denote connecting pieces attached to the above-mentioned hanging rods 4 and 5 so that they can be overlapped with each other, and for fixing the hanging rods 4 and 5 to the steel beam B in a sandwiched hanging state. belongs to. Reference numerals 9a ... And 10a ... Represent a required number of bolt insertion holes formed in the connection pieces 9 and 10, respectively, so that the required holes of both are matched, and a fixing bolt 14 described later is inserted into the matched hole. By screwing the fixing nut 12 described later,
The purpose is to fix the hanging rods 4 and 5 at predetermined intervals.

Reference numeral 11 is a slide piece having a fixing nut 12 fixed to the tip thereof, and is slidably and rotatably supported by a guide piece 13 attached to one suspension rod 4. That is, the slide piece 11 is, with respect to the guide long hole 11a opened at the base end,
By inserting the guide bolt 13a attached to the guide piece 13, the slide piece 11 can move and match the fixing nut 12 fixed to the tip of the slide piece 11 to an arbitrary hole portion in the bolt inserting hole 9a. It is configured to do. The slide piece 11 is fixed in position by tightening the guide bolt 13a.

Reference numeral 14 is a fixing bolt for screwing into the fixing nut 12 described above, and the tip of the chain 15 is connected to the fixing bolt 14 and the base end of the chain 15 is appropriately connected to a member. Therefore, the fixing bolt 14 is prevented from being lost and falling to the ground. In the illustrated embodiment, the base end of the chain 15 is connected near the tip of the slide piece 11, but any other suitable portion may be used.

(Effect of the Invention) The present invention attaches the connecting pieces 9 and 10 to the hanging rods 4 and 5 so that the connecting pieces 9 and 10 can be overlapped with each other, and fixing bolt insertion holes can be fitted to the connecting pieces 9 and 10, respectively. Fixing nut to be drilled in the hole and to match the fixing bolt insertion hole.
A slide piece (11) having a tip (12) fixed thereto is slidably and rotatably supported with respect to one of the suspension rods.
Chain 15 to the fixing bolt 14 for screwing
Since the tip end of the chain 15 is connected and the base end of the chain 15 is connected to an appropriate portion, engaging attachment of the suspension rods 4, 5 to the steel beam B can be made extremely reliable and easy. .

Then, at the time of screwing operation of the fixing bolt 14 and the fixing nut 12 at the time of mounting, it is avoided in advance that the bolt or nut is accidentally dropped to the ground. This greatly contributes to the prevention of danger due to the above and the facilitation of screwing operation. In addition, the same effect will be exhibited in the loosening operation of the bolt and nut.

When a plurality of fixing bolt insertion holes are bored in the connecting pieces 9 and 10 so that any of them can be fitted, the hanging rods 4 and 5 can be attached to the steel beam B in an engaging manner. ,
The size of the steel frame beam B is immediately increased, and the fixing purpose is achieved.

That is, in accordance with the size of the steel beam B, the hanging rods 4, 5
The fixed interval can be freely set in stages.

[Brief description of drawings]

FIG. 1 shows an embodiment of the present invention. FIG. 1 is a partially cutaway front view of the present invention, FIG. 2 is a front view showing only a main part of the present invention, and FIG. It is a partial notch cross-sectional plan view. A ... Railing rod, B ... Steel beam 1 ... Scaffolding rod 2, 2 Pillar rod 3 ... Clamp, 4,5 ... Hanging rod 4a, 5a ... Engaging hook pieces 4b, 5b ... Fastening bolts, 7,8 … Pivoting metal fittings 9,10… Connecting pieces 9a, 10a… Bolt insertion hole, 11… Slide piece 11a… Slot guide hole, 12… Fixing nut 13… Guide piece, 13a… Guide bolt 14… Fixing bolt, 15 …chain

Claims (2)

[Scope of utility model registration request] 1. Clamps at both ends of scaffolding plate erection rod 1
Lower ends of hanging rods 4,5, in which the handrail rod installation pole rods 2 and 2 to which 3 and 3 are attached are erected and the hooks 4a and 5a for engaging the steel beam B are fixedly attached to the upper ends, respectively. The above-mentioned scaffold board erection rod 1
Rotatably and pivotally attached to the central portion of the suspension rod 4,
5, the coupling pieces 9 and 10 that can be polymerized with each other are mounted, and fixing bolt insertion holes are formed in the coupling pieces 9 and 10 so that they can be fitted respectively, and further, in the fixing bolt insertion holes. A fixing piece for supporting a slide piece 11 having a fixing nut 12 fixed to the tip for slidingly and rotatably with respect to one of the suspension rods 4 and screwing it into the fixing nut 12 A hanging scaffolding mounting fitting, characterized in that a tip of a chain 15 is connected to a bolt 14 and a base end of the chain 15 is appropriately connected to a member. 2. The suspension scaffolding attachment according to claim 1, wherein a plurality of fixing bolt insertion holes are formed in the connecting pieces 9 and 10 so as to be able to coincide with each other.