JPH1018607A - Safety net hanger in wooden house under construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to specially fix a metal fixture to a beam for locking a safety net hanger of a safety net in a construction site of a wooden framework house. SOLUTION: In a wooden house under construction, a safety net hanger is provided downward of a beam 18 in the horizontal direction for a worker's safety to suspend a safety net 9. In that case, a metal fixture 8 for hooking the safety net hanger 1 provided to the safety net 9 side on the beam 18 side is fixed to the beam 18, and the metal fixture 8 is constituted of a fixed surface to the beam 18 and a locking surface of the safety net hanger 1 equipped with a metal fixture insertion hole 8d in an L-shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a net for constructing a wooden house, in which a building material or a tool is dropped to hurt a worker located below or to catch a fall of the worker himself. Mounting brackets.

[0002]

2. Description of the Related Art Hitherto, an application has been filed by the same applicant as to the construction of a jig for attaching a safety net and a safety net hanging bracket in a steel framed house for safety during construction work. It is. For example, Shokai 5
This is like the technique described in JP-A-21045.

[0003]

However, the technology described in the above prior art is a technology relating to a safety net hanging metal fitting for use in a steel framed house building and an operating rod for hooking the safety net hanging metal fitting. In the case of a steel-framed house, in the case of a steel-framed frame, the thickness of the iron plate is thin. The hanging metal can be locked. However, in the case of a wooden framed house, since the thickness and width of the wood are large, it is impossible to open a fitting insertion hole for locking the safety net 9. The present invention, in the construction site of such a wooden framed house, in order to lock the safety net hanging bracket of the safety net,
In particular, the mounting bracket can be fixed to the beam.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. In claim 1, in a wooden house under construction, the safety net 9 is provided on the side of the safety net 9 in a configuration in which the safety net 9 is hung horizontally below the beam 18 in order to ensure the safety of workers. Safety net suspension fitting 1 is beam 18
Is configured to be fixed to the beam 18, and the mounting metal 8 is a fixing surface 8 a for the beam 18 and a locking surface of the safety net hanging metal fitting 1 having the metal fitting insertion hole 8 d. 8b is an L-shaped fitting.

According to a second aspect of the present invention, in the safety net hanging bracket for a wooden house under construction according to the first aspect, a plurality of nail insertion holes 8c are opened in the fixing surface 8a of the mounting bracket 8, and the locking surface 8b is formed in the locking surface 8b. Is an opening of the fitting insertion hole 8d.

According to a third aspect of the present invention, the metal fitting insertion hole 8d according to the first aspect is formed of a steel rod bent into a torsion S shape, and one end of the torsion S shape is formed as a fitting portion 1a projecting downward. The other end is a downwardly-inserted portion 1b that terminates above the fitting portion 1a, and a beam contact portion 1c having a bent portion at the upper end of the fitting portion 1a above the lower end of the inserted portion 1b. Make up,
The fitting portion 1a is fitted into the notch portion 3a of the uppermost portion 3 of the operation rod, the insertion portion 1b is inserted into the hole of the beam, and the beam contact portion 1c is brought into contact with the beam to prevent the beam from coming off. .

[0007]

Next, an embodiment of the present invention will be described. 1 is a bird's-eye view showing a state in which a safety net 9 is being locked by an operation rod 2 at a construction site of a wooden framed house. FIG. 3 is a perspective view of a state in which the safety net 9 is lifted together with the safety net 9 and is about to be locked to the mounting bracket 8. FIG. 3 shows that the safety net 9 and the safety net hanging bracket 1 are locked to the mounting bracket 8 fixed to the beam 18. FIG. 4 is a side view showing the safety net hanging bracket 1 and the operating rod 2 for lifting the safety net 9, FIG. 5 is a side view and a plan view showing the configuration of the safety net hanging bracket 1, and FIG. In a wooden framed house, beams 18
8 is a bird's-eye view of fixing the mounting bracket 8 to the side of the beam 18, and FIG. 7 is a bird's-eye view of the state where the mounting bracket 8 is fixed to the side of the beam 18.
FIG. 9 is a drawing showing a state in which the safety net hanging bracket 1 and the safety net 9 are locked to the mounting bracket 8, FIG. 9 is a side view of the mounting bracket 8, and FIG.
0 is a plan view of the mounting bracket 8, and FIG. 11 is a side view of the mounting bracket 8.

Referring to FIG. 1, the operation of the present invention will be described. The safety net hanging fitting 1 is carried to the holes scattered in the beams of the building material while being fitted and supported by the notch of the operation rod 2 in a state where the safety net 9 is locked, and the safety net hanging fitting 1 is held. Can be inserted into the hole of the beam of the building material only by slightly sliding, and the entire safety net suspension fitting 1 of the present invention is configured with a twist so that it is hard to come off even if inserted. The net can be stretched and collected by simple operation from the floor position without climbing to a high place, thereby improving work safety and efficiency.

First, the configuration of the safety net hanging bracket 1 will be described with reference to FIG. The safety net hanging bracket 1 is constituted by a torsion S-shaped steel bar. A fitting portion 1a that fits into the notch 3a of the uppermost portion 3 of the operation rod shown in FIG. 5 and can be fitted into the operation rod 2, an insertion portion 1b that inserts the safety net hanging bracket 1 into a hole of the beam, and Safety net hanging bracket 1 inserted
Is constituted by three parts of the metal fitting part 1c which makes it difficult to remove.

Next, referring to FIG. 5, the dimensions A, B and C will be described. A dimension is the safety net hanging bracket 1 of the present invention.
Is a dimension secured so that it is difficult to remove from the hole of the beam, and B dimension is a dimension secured so that the safety net hanging bracket 1 of the present invention can be easily inserted into the hole of the beam. The operation rod 2 is provided so that the safety net suspension fitting 1 of the present invention is engaged with the notch 3a of the operation rod uppermost portion 3 in FIG.
This is a dimension that is slightly wider than the plate thickness.

2 and 4, the structure of the operating rod will be described. As shown in FIGS. 2 and 4, the operating rod 2 has an L-shaped or T-shaped shape as a whole when viewed from the side, and the top 3 is engaged with the safety net hanging fitting 1 of the present invention. The cutout 3a is formed so as to be fittable. An adjusting screw 6 is provided above the central part 4 so that the operating rod 2 can be extended and contracted.
Is screwed, and the lowermost portion 5 is bent at a right angle so as to be easily operated by the operator.

The shape of the operating rod 2 may be either rectangular or circular, and the shape of the notch 3a may be any shape as long as it can be engaged with the safety net hanging bracket 1. As shown in FIG. 4, the uppermost portion 3 of the operating rod is fixed from the central portion 4 with a fixing screw 7. FIG. 2 shows a state in which the fitting portion 1a of the safety net hanging fitting 1 of the present invention, which is formed in a torsion S shape, is engaged with the notch portion 3a of the operation rod 2 and integrated. The safety net suspension fitting 1 in this state is moved so as to be located above the suspension fitting insertion hole 8d of the mounting fitting 8 fixed to the target beam 18 as shown in FIG. The dimension B is assured to be the same.

Therefore, the insertion portion 1 of the safety net hanging bracket 1
b can be easily inserted into the fitting insertion hole 8d of the mounting fitting 8 fixed to the beam 18 by slightly sliding it in the longitudinal direction of the beam. The safety net suspension fitting 1 once inserted is shown in FIG. As described above, since the beam contact portion 1c of the safety net hanging bracket 1 is twisted in accordance with the A dimension and the B dimension, the safety net hanging bracket 1 is configured so as not to easily come out of the fitting insertion hole 8d of the mounting bracket 8. Then, as shown in FIG. 3, in the actual work, the safety net suspending fitting 1 is preliminarily covered with an edge net of the mounting portion 9a of the safety net 9.

In the above-described configuration, in the case of a wooden framed house, it is impossible to open a fitting insertion hole in the beam 18, and a hole for inserting the insertion portion 1 b of the safety net suspension fitting 1 is provided. It is impossible to find a substitute for a wooden framed house. Therefore, in the present invention, the fixing surface 8
The mounting bracket 8 having the a and the locking surface 8b formed in an L-shape or T-shape is fixed to the side surface of the beam 18 with the screw nail 12, and the metal fitting insertion hole 8d is specially configured.

As shown in FIG. 6, the worker must mount the mounting bracket 8 on a stepladder or the like and fix the mounting bracket 8 to the side surface of the beam 18 with the screw nail 12 as shown in FIG. As shown in FIG. 7, the mounting bracket 8 is mounted at an orthogonal corner where the orthogonal beam 18 intersects. As shown in FIG. 8, the safety net hanging bracket 1 is provided at a metal insertion hole 8d of the mounting bracket 8.
Is inserted and locked.

The structure of the mounting bracket 8 is shown in detail in FIGS. 9, 10 and 11. The mounting bracket 8
Is formed by a portion of a fixing surface 8a fixed to the side surface of the beam 18 by the screw nail 12 and a portion of a locking surface 8b protruding in a direction perpendicular to the fixing surface 8a and having a metal fitting insertion hole 8d formed therein. It is configured. The essential part of the present invention is that the fixing surface 8a and the metal fitting insertion hole 8d are arranged in an L shape or a T shape. Further, two nail insertion holes 8c are opened for the screw nails 12 on the surface of the fixing surface 8a. Further, two metal fitting insertion holes 8d for inserting the insertion portion 1b of the safety net hanging metal fitting 1 are formed in the locking surface 8b. The reason why the metal fitting insertion holes 8d are two holes is that there is a possibility that two safety nets 9 can be mounted using the same mounting metal 8 in this portion.

[0017]

As described above, the present invention has the following advantages. In the wooden house under construction as claimed in claim 1, the beam 18 is provided to ensure the safety of workers.
In a configuration in which the safety net 9 is suspended by being horizontally disposed below the safety net 9, the mounting bracket 8 for hanging the safety net suspension fitting 1 provided on the side of the safety net 9 on the side of the beam 18 is attached to the beam 1.
8, the mounting bracket 8 is formed into an L-shape or T-shape by a fixing surface 8 a for the beam 18 and a locking surface 8 b of the safety net hanging bracket 1 having a metal fitting insertion hole 8 d. Since the metal fittings are configured, in the case of a wooden framed house, many metal fitting insertion holes cannot be opened in the beam as in the case of a steel framed housing. By using this, the locking portion of the safety net hanging bracket 1 can be easily configured.

According to a second aspect of the present invention, in the safety net hanging bracket for a wooden house under construction according to the first aspect, a plurality of nail insertion holes 8c are opened in the fixing surface 8a of the mounting bracket 8 and the locking surface 8b is formed. Has opened the fitting insertion hole 8d, so that the fixing surface 8a is firmly fixed to the beam 18 and the locking surface 8b
Is protruded from the fixing surface 8a and is firmly fixed to the beam 18, so that even when an unexpected weight is put on the safety net 9, the mounting bracket 8 is detached from the beam 18. That was gone.

According to a third aspect of the present invention, the fitting insertion hole 8d according to the first aspect is formed of a steel rod bent into a torsion S shape, and one end of the torsion S shape is formed as a fitting portion 1a projecting downward. The other end is a downwardly-inserted portion 1b that terminates above the fitting portion 1a, and a beam contact portion 1c having a bent portion at the upper end of the fitting portion 1a above the lower end of the inserted portion 1b. Make up,
Since the fitting portion 1a is fitted into the cutout portion 3a of the uppermost portion 3 of the operation rod, the insertion portion 1b is inserted into the hole of the beam, and the beam contact portion 1c is brought into contact with the beam to prevent it from coming off. Net hanging bracket 1
Is not detached from the mounting bracket 8, and a safe configuration can be achieved even when an obstacle suddenly drops.

[Brief description of the drawings]

FIG. 1 is an overhead view showing a state in which a safety net 9 is being locked by an operation rod 2 at a construction site of a wooden framed house.

FIG. 2 is a perspective view of a state in which the safety net hanging bracket 1 is locked at the tip of the operation rod 2 and is lifted together with the safety net 9 to be locked on the mounting bracket 8;

FIG. 3 is a side view of a state in which a portion of the safety net 9 and the safety net hanging bracket 1 is locked to a mounting bracket 8 fixed to a beam 18.

FIG. 4 is a side view showing an operation rod 2 for lifting the safety net hanging bracket 1 and the safety net 9;

FIG. 5 is a side view and a plan view showing a configuration of the safety net hanging bracket 1.

FIG. 6 is a bird's-eye view of the wooden framed house in which the mounting bracket 8 is nailed and fixed to the side surface of the beam 18;

FIG. 7 is a bird's-eye view of a state where the mounting bracket 8 is fixed to the side surface of the beam 18.

FIG. 8 is a drawing showing a state in which the safety net hanging bracket 1 and the safety net 9 are locked to the mounting bracket 8;

FIG. 9 is a side view of the mounting bracket 8;

FIG. 10 is a plan view of the mounting bracket 8;

FIG. 11 is a side view of the mounting bracket 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Safety net hanging metal fitting 1b Insertion part 2 Operation rod 3 Operation rod top 8 Mounting bracket 8a Fixing surface 8b Locking surface 8c Nail insertion hole 8d Metal insertion hole 18 Beam

Claims (3)

[Claims] 1. In a wooden house under construction, in a configuration in which the safety net 9 is hung by being horizontally arranged below a beam 18 for safety of an operator, the safety net 9 is provided on the side of the safety net 9. A mounting bracket 8 for hanging the net hanging bracket 1 on the side of the beam 18 is configured to be fixed to the beam 18, and the mounting bracket 8 has a fixing surface 8a for the beam 18 and a safety net having a bracket insertion hole 8d. With the locking surface 8b of the hanging bracket 1,
A safety net hanging bracket for a wooden house under construction, wherein the bracket is configured as an L-shaped bracket. 2. The safety net suspension of a wooden house under construction according to claim 1, wherein the mounting surface of the mounting bracket 8 is fixed.
A safety net hanging bracket for a wooden house under construction, wherein a plurality of nail insertion holes 8c are opened in a, and a bracket insertion hole 8d is opened in a locking surface 8b. 3. A torsion insertion hole 8d according to claim 1, comprising a steel rod bent into a torsion S-shape, one end of said torsion S-shape being a fitting part 1a protruding downward, and the other end being fitted. Mounting part 1a
A lower end of the insertion portion 1b that terminates above the upper end of the insertion portion 1b, and a beam contact portion 1c having a bent upper end of the fitting portion 1a above the lower end of the insertion portion 1b. Is inserted into the notch 3a of the uppermost portion 3 of the operating rod, the insertion portion 1b is inserted into the hole of the beam, and the beam contact portion 1c is brought into contact with the beam to prevent the beam from coming off. Net hanging bracket for wooden houses.