JPH0139323Y2 - - Google Patents

Description

[Detailed description of the invention] [Technical field of the invention] This invention is for constructing concrete beams, concrete side walls, etc. to support both ends of temporary beams for constructing slabs when constructing the floors and ceilings of concrete buildings. The present invention relates to a temporary beam receiving bracket that is used by being hung from the upper edge of a temporary side formwork for use in the construction of temporary beams.

[Technical background of the invention and its problems] In concrete construction, in order to construct floors and ceilings, a bracket is hung on the upper edge of the temporary side formwork for constructing concrete beams, etc. A concrete slab is constructed by erecting a temporary beam for slab construction approximately horizontally, laying a slab formwork on top of this, and then pouring ready-mixed concrete. As shown in FIG. 4, a substantially U-shaped temporary receiving abutting body 32 is swingably attached to the lower part of the holding body 30 and at a portion away from the hanging body 31, and the temporary receiving abutting body 32 is brought into contact with Although a structure has been provided in which the surface is brought into contact with the outer surface of the temporary side formwork 2, and the mounting stability of the receiving fitting itself to the temporary side formwork 2 can be achieved, the temporary receiving abutting body 32 Since the fulcrum is located at the farthest point from the temporary side formwork 2, the temporary support abutment body 32 itself must be constructed long,
Moreover, the attachment stability of the receiving fitting itself to the temporary side formwork 2 is still insufficient, and there are many welding points, making the manufacturing process troublesome.

[Purpose of the invention] Therefore, the present invention was devised to solve the above-mentioned problems that existed in the past.It aims to save the constituent materials, reduce the number of welding points, and simplify the structure. The purpose is to ensure that temporary beams for constructing slabs can be supported reliably and stably by making them easier to manufacture and ensuring stable attachment to the temporary side formwork. That is.

[Summary of the invention] Therefore, the present invention has a hanging body that can be hung on the upper end of the temporary side formwork, and has a U-shaped cross section with an open bottom.
In a temporary beam receiving bracket that is made up of a series of holders capable of holding a temporary beam for constructing a slab, there is a locking plate that is locked inside the temporary side formwork, and a locking plate that is attached to the upper edge of the locking plate. It is suspended by a top plate whose one end edge is connected and placed across the upper end surface of the temporary side formwork and the top surface of the crosspiece, and a board whose upper edge is connected to the other end edge of this top plate. A pair of cut and raised pieces are provided on both sides of the lower part of the substrate of the hanging body, which are cut and raised toward the holding body,
A contact body consisting of a contact plate whose surface can come into contact with the temporary side formwork and a pair of arm pieces is attached to the hanging body through a rivet-like shaft inserted into the shaft insertion hole of the cut and raised piece. The gist of this is that it is mounted so that it can swing freely, thereby achieving the above-mentioned purpose.

[Embodiments of the invention] Hereinafter, embodiments of the invention will be described with reference to the drawings.

The temporary beam holder according to the present invention attaches the end of the temporary beam 6 for constructing a slab to the base 13 of the hanging body 10 that can be hung on the upper end of the temporary side formwork 2 for constructing the concrete beam 1. A holding body 20 that can be held is connected by welding, and a contact plate 15 that can come into contact with the outer surface of the temporary side formwork 2 is swingably attached to the lower part of the base plate 13 of the hanging body 10. be.

The hanging body 10 includes a rectangular locking plate 11 that is locked inside the temporary side formwork 2 and is in close contact with the inner side surface of the temporary side formwork 2, and one end edge of which is connected to the upper edge of the locking plate 11. A rectangular top plate 12 is provided and placed across the upper end surface of the temporary side formwork 2 and the upper surface of the crosspiece 3, and the upper end edge is connected to the other end edge of this top plate 12, and a locking plate is provided. 11 and a substrate 13 that is perpendicular to the top plate 12, and on both sides of the lower part of the substrate 13, a pair of parallel cut pieces 14, 14 are arranged at right angles toward the holder 20. The abutment plate 15 is swingably attached via a rivet-like shaft 18 that is inserted into a shaft insertion hole 14a formed in the cut and raised pieces 14,14. Further, nail insertion holes 12a are formed in the top plate 12, so that nailing to the crosspiece 3 is possible. Incidentally, reference numeral 13a denotes a lightening hole formed in the substrate 13 in order to reduce the weight, and this lightening hole 13a does not need to be provided.

The abutting plate 15 includes an abutting plate 16 whose surface abuts the outer surface of the temporary formwork 2, and a pair of parallel arm pieces 17, 17 formed by bending a part of this abutting plate 16 at right angles.
A shaft insertion hole 17a through which a rivet-like shaft 18 can be inserted is bored at the tip of the arm piece 17, and one end of the contact plate 16 protrudes laterally from one arm piece 17. At the tip of the part, a contact body 15 is attached to the temporary side formwork 2.
A nail insertion hole 16a for nailing is provided. Incidentally, when the abutting body 15 is swung so that it becomes parallel to the locking plate 11, the upper edge of the arm piece 17 corresponds to the base plate formed when the cut and raised piece 14 is cut and raised. The contact body 15 comes into contact with the locking lower edge 13b of 13.
is formed so as to prevent it from swinging upward.

The holder 20 also includes a top plate 21 and a pair of side plates 2.
The pair of side plates 22 and 22 have a wedge through which a wedge 27 that supports the end of the temporary beam 6 for slab construction can be inserted. Insertion holes 23, 23 and insertion holes 24, 24 into which the wire can be inserted are provided, respectively. Furthermore, the top plate 21 has a protrusion 21 that can be inserted into the insertion hole 7 formed at the end of the temporary beam 6 for slab construction.
A is provided so as to protrude from the inside surface. Further, a temporary receiver 2 having an approximately U-shape with an open upper part is provided.
6 is swingably attached to the bulges 25, 25 of the holding body 20.

Note that the hanging body 10 and the holding body 20 are connected by welding so that the top surface of the top plate 12 of the hanging body 10 and the top surface of the top plate 21 of the holding body 20 are in contact with each other, as shown in FIGS. 1 and 2. They may be configured so that they coincide within the same plane, or they may be configured so that the top surface of the top plate 21 of the holder 20 is located below the top surface of the top plate 12 of the hanging body 10, as shown in FIG. It's okay.

The receiving bracket of the present invention is constructed as described above, and its use will be explained next. First, the hanging body 10 is hung on the upper end of the temporary side formwork 2, and the abutting plate 16 of the abutting body 15 is temporarily attached. The abutting body 15 is fixed to the temporary side formwork 2 with nails brought into contact with the outer surface of the side formwork 2 and inserted into the nail insertion holes 16a, and both ends of the temporary beam 6 for slab construction are held by the holding bodies 20. Then, a temporary slab construction beam 6 is erected, a slab formwork 5 is laid on this, and concrete is poured to construct a concrete slab 4.

[Effect of the invention] Therefore, according to the temporary beam receiving fitting according to the invention, the holding bodies 2 are attached to both sides of the lower part of the base plate 13 of the hanging body 10.
A pair of cut and raised pieces 14, 14 cut and raised toward 0
A shaft insertion hole 14a of the cut and raised pieces 14, 14 is provided.
A contact plate 15 consisting of a contact plate 16 whose surface can come into contact with the temporary formwork 2 and a pair of arm pieces 17, 17 is attached to the hanging body 10 via a rivet-like shaft 18 inserted through the Since it is swingably attached, the fulcrum of the contact body 15 is located close to the temporary side formwork 2, and the receiving metal fitting can be attached to the temporary side formwork 2 in an extremely stable manner.
In addition, the arm pieces 17, 17 of the contact body 15 can be configured to be short, thereby saving on construction materials, and the structure is simple and robust with few welding points, making it easy to manufacture and forming a low-cost receiving metal fitting.

In particular, when the abutting body 15 is swung so that the abutting plate 16 becomes parallel to the locking plate 11, the upper edge of the arm piece 17 comes into contact with the lower locking edge 13b of the board 13, so the abutting body 15 can be prevented from swinging upward, and the mounting state of the receiving metal fitting on the temporary side formwork 2 is stabilized and becomes immovable.

By providing the nail insertion hole 16a at the tip of the abutting plate 16 that protrudes to the side of one arm piece 17, the hanging body 10 and the holding body 20 can be removed without getting in the way.
The nail inserted into the nail insertion hole 16a can be easily driven with a hammer or the like, and the work of nailing the contact plate 15 to the temporary side formwork 2 can be easily and reliably performed.

As explained above, according to the present invention, the receiving bracket can be stably attached to the upper end of the temporary side formwork, and the end of the temporary beam for slab construction can be securely held.
In addition, the receiving fitting itself has a simple and robust structure with few welding points, which makes it easy to manufacture and can be provided at low cost, which provides extremely excellent practical effects.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention; FIG. 1 is an exploded perspective view, FIG. 2 is a front sectional view of the used state, FIG. 3 is a front view of another embodiment of the present invention, and FIG. 4 is a front view of another embodiment of the present invention. FIG. 2 is a perspective view of a conventional example in use. 1... Concrete beam, 2... Temporary side formwork, 3...
... Pier, 4 ... Concrete slab, 5 ... Slab formwork, 6 ... Temporary beam for slab construction, 7 ... Insertion hole, 10 ... Hanging body, 11 ... Locking plate, 12 ...
Top plate, 12a... Nail insertion hole, 13... Board, 13
a... Lightening hole, 13b... Locking lower edge, 14... Cut and raised piece, 14a... Shaft insertion hole, 15... Contact body, 1
6... Contact plate, 16a... Nail insertion hole, 17... Arm piece, 17a... Shaft insertion hole, 18... Riveted shaft, 20... Holder, 21... Top plate, 21a...
Projection, 22... Side plate, 23... Wedge insertion hole, 24...
...Insertion hole, 25...Bulging part, 26...Temporary receiver, 2
7...Wedge, 30...Holding body, 31...Hanging body, 3
2...temporary contact body.

Claims (1)

[Scope of utility model registration request] A temporary beam holder comprising a hanging body that can be hung on the upper end of a temporary side formwork, and a holding body that has a U-shaped cross section and is open at the bottom and is capable of holding a temporary beam for constructing a slab. , a locking plate that is locked inside the temporary side formwork, one end edge of which is connected to the upper edge of this locking plate, and is placed across the upper end surface of the temporary side formwork and the top surface of the crosspiece. A hanging body is composed of a top plate and a base plate whose upper edge is connected to the other edge of the top plate, and on both sides of the bottom of the base plate of this hanging body, there are a pair of base plates cut and raised toward the holding body. An abutment consisting of an abutting plate and a pair of arm pieces, the surface of which can come into contact with the temporary side formwork, is provided with a cut and raised piece, and a rivet-like shaft inserted into the shaft insertion hole of the cut and raised piece. A temporary beam receiving bracket characterized in that a contact member is swingably attached to a hanging member.