JPH10131511A - Safety net hanging tool for building work and safety net attachment for building work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate attaching and detaching working for a horizontally set member by constituting a base into a shape capable of being fitted to the horizontally set member such as a beam from above, and providing a hook part locking a net on the base. SOLUTION: A base 1 is made by folding and forming a metallic rectangular- shaped plate into a shape capable of being fitted to a square timber 2 as a horizontally set member 2 from above. With regard to a hook part 4, a short metal rod is twisted and folded in the form of a coil, both of the ends is protruded in the mutually opposite directions respectively, and welded and fixed on both outside parts of the base 1 in the state where both of the edge parts are vertically directed. Accordingly, a net can be locked on the hook part 4 by hanging the net edge of the net on the edge part directed upward of the hook part from above, and the net can be removed by reverse working. Locking and removing working of the net can be easily performed by employing structure of the hook part 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building for hanging a safety net for suspending workers and work tools in a space of a structure in a state of being suspended in a construction work. The present invention relates to a safety net hanging tool for construction and a fixture with a safety net for building construction.

[0002]

2. Description of the Related Art At the time of building construction, a net is provided in the space of a framed structure, and workers and work tools fall down by this net. Is preventing.

Conventionally, a hanging bracket for extending the net has a structure in which a hook body capable of locking the net is provided on a metal fitting body provided with a fixing portion for holding and fixing the mounting portion. In general, a fastening and fixing portion of a fastening and clamping structure including a fastening bolt and a receiving jaw portion for receiving the fastening bolt is used.

[0004] The method of using the net hanging metal fitting will be described. The fastening part of the metal fitting is tightened and fixed to all the girders (for example, H steel) adjacent to the space in the structure where the net is to be stretched. A plurality of the nets are fixed to each other, and the net edges of the nets are hooked to the hooks of the fixed metal fittings, so that the nets are suspended in the structure space.

[0005] However, such a conventional net suspender is used by fastening a fastening portion to a flange edge of H steel, for example, and is used for clamping and fastening by the fastening bolt and the receiving jaw portion. The structure has a sufficiently strong fixing action, but if a worker or work tool falls onto the net and a large force is applied, the tightening and fixing part may be misaligned. There is.

[0006] The present invention can solve this drawback, and furthermore, the epoch-making safety net suspension for building construction with a very simple structure, in which the workability of attaching and detaching to and from horizontal members is remarkably improved as compared with conventional products. The present invention provides a fixture and a fixture with a safety net for building construction.

[0007]

The gist of the present invention will be described with reference to the accompanying drawings.

[0008] A building construction is characterized in that a base 1 is formed in a shape that can be fitted onto a horizontal member 2 such as a girder from above, and a hook 4 for locking a net 3 is provided on the base 1. The present invention relates to a safety net hanging device.

Further, the base 1 is formed in a U-shaped plate shape which can be fitted from above to the laterally installed square member 2 such as a spar, and a hook 4 for locking the net 3 is provided on a side portion of the base 1. A safety net hanging device for building construction according to claim 1, characterized in that:

[0010] The hook according to any one of claims 1 and 2, wherein the hooks 4 are provided on both sides of the base 1, respectively. It is.

The safety net hanging device for building work according to any one of claims 1 to 3 and a locking portion 6 for locking the net 3 to a distal end portion of the long rod 5. The present invention relates to a fixture with a safety net for building construction, comprising a lifting bar provided.

The safety net hanging device for building construction according to any one of claims 1 to 3, and the safety net hanging device for building construction is engaged with the tip of the long rod 5. The present invention relates to a fixture with a safety net for building construction or a fixture with a safety net for building construction according to claim 4, comprising a lifting rod provided with a locking portion 7 to be engaged.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

An appropriate number of bases 1 are fitted and fixed from above to all horizontal members 2 such as girders adjacent to the space where the net 3 in the structure is desired to be stretched. The net 3 of the net 3 is locked to the hook portion 4 and the net 3 is suspended in a space in a structure surrounded by the horizontal member 2 as shown in FIG.

At this time, since the base 1 is formed in a shape capable of being fitted to the horizontal member 2 from above, the base 1 is fixed to the horizontal member 2 simply by being fitted into the horizontal member 2 from above. When the net 3 is locked to the hook portion 4 due to the fitted structure, a force acts in the locking direction of the base 1 due to the weight of the net 3 so that the locking to the horizontal member 2 is strong. Even if an operator or a work tool falls on the net 3, a force acts in the locking direction of the base 1 in the same manner.
The base 1 does not come off from the substrate.

According to the second aspect of the present invention, since the base 1 is formed in a U-shaped plate shape which can be fitted from above onto the horizontally installed square member 2 such as a spar, the base 1 is simply formed by the horizontally installed square member 2. The base 1 is securely fixed to the horizontal bar 2 by being prevented from rotating only by being fitted into the base 1 from above, so that the fixing strength of the base 1 to the horizontal bar 2 is further enhanced, and the side of the base 1 Since the hook portion 4 is provided on the portion, the hook portion 4 does not interfere with the fitting of the base 1 to the horizontal bar 2, and the work when fixing the base 1 to the horizontal bar 2 is performed. The properties are further improved.

According to the third aspect of the present invention, since the hooks 4 are provided on both sides of the base 1, respectively, when the base 1 is fitted on the horizontal member 2, the hooks 4 are provided on both sides of the horizontal member 2. Since the hook portion 4 is provided, the net 3 can be locked in the spaces on both sides of the horizontal member 2 with the integrated base 1 as shown in FIG.

According to the fourth aspect of the present invention, the net edge of the net 3 is locked to the locking portion 6 at the tip of the lifting rod, and the operator lifts the lifting rod to lay the net 3 horizontally. The hook is locked to the hook portion 4 of the building construction net hanging tool fitted to the material 2.

Therefore, when locking the net 3 to the hook part 4, the worker does not have to climb to the height position where the horizontal member 2 exists, so that the work can be performed safely.

In the same manner, the net 3 of the net 3 can be locked to the locking portion 6 and the net 3 can be removed from the hook portion 4, so that the work of removing the net 3 can be performed safely. .

According to the fifth aspect of the present invention, the building construction net hanging device according to any one of the first to third aspects is locked to the locking portion 7 at the tip of the lifting rod, An operator lifts the lifting rod and fits and fixes the building construction net hanging tool to the horizontal member 2 from above. Subsequently, the net edge of the net 3 is locked to the locking portion 6 at the tip of the lifting rod, and an operator lifts the lifting rod and fits the net 3 on the horizontal member 2 for a building construction net. The hook is hooked to the hook 4 of the hanging tool.

Therefore, when the building construction net hanging tool is fitted to and fixed to the horizontal member 2 and when the net 3 is locked to the hook portion 4, the horizontal member to which the operator has not yet stretched the net 3 is attached. Since it is not necessary to climb to the height position where 2 exists, the work can be performed more safely.

Accordingly, when the building construction net hanging tool is fitted to the horizontal member 2 and the net 3 is locked to the hook portion 4, the horizontal member to which the operator has not yet stretched the net 3 is attached. Since it is not necessary to climb to the height position where 2 exists, the work can be performed more safely.

Further, in the same manner, the locking portion 7 has
And the net hanging tool for building construction can be removed from the horizontal member 2, and the net edge of the net 3 can be fixed to the locking part 6. Can be locked and the net 3 can be removed from the hook portion 4, so that the work for removing the net hanging tool for building construction and the net 3 can be safely performed.

In particular, if the locking portion 6 and the locking portion 7 are provided on a single lifting rod, the above operation can be performed with a single lifting rod, so that the workability is extremely high. Will excel.

[0026]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

In this embodiment, the base 1 is formed into a shape that can be fitted onto the horizontal member 2 such as a girder from above, and the base 1 is provided with a hook portion 4 for locking the net 3. A lifting rod provided with a safety net hanging device, a locking portion 6 for locking the net 3 at the tip of the long rod body 5 and a locking portion 7 for locking the building construction safety net hanging device. The present invention relates to a fixture with a safety net for building construction comprising a body.

The safety net hanging device for building construction will be described.

As shown in FIG. 1, the base 1 is formed by bending a rectangular metal plate into a U-shaped plate shape that can be fitted from above onto a square member 2 as a horizontal member 2.

As shown in FIG. 1, the hook 4 is formed by twisting and bending a short metal rod into a coil shape so that both ends protrude in opposite directions. The parts are vertically fixed and welded and fixed to both outer parts of the base 1. Therefore, the net 3 can be locked on the hook 4 only by hooking the net edge of the net 3 from above on the tip end facing the hook 4 so that the net 3 can be removed by the reverse operation. Make up. By employing the hook portion 4 structure, the work of engaging and disengaging the net 3 can be easily performed as described above.

Therefore, in this embodiment, since the structure in which the metal hook portion 4 is welded to the metal base 1 is employed, it can be manufactured very easily. Also, the base 1
Since the metal plate can be formed simply by bending the metal plate into a U-shape, and the hook portion 4 can be formed only by twisting the metal rod, the mounting work is easy, and The safety net hanging device for building construction according to the embodiment can be manufactured very easily.

The lifting rod will be described.

The elongated rod 5 is formed of a cylindrical body having an inner diameter slightly larger than the diameter of the metal rod constituting the hook part 4, and a gripping part is provided at the base end of the cylindrical body. Grip 9 as
Is fitted, and a trumpet-shaped cylindrical body 8 is fitted and fixed to the end portion.

As shown in FIG. 2, the locking portion 6
It is a concave portion formed on the opposite side surface of the distal end portion, and is configured so that the edge net of the net 3 can be locked to each of the locking portions 6 facing each other. As described above, since the locking portions 6 are provided to face each other and the edge net of the net 3 is supported at two points, the net edge of the net 3 can be locked well.

The locking portion 7 is formed by one of the concave portions constituting the locking portion 6 and the tip end hole of the long rod 5, and as shown in FIG. The downwardly directed distal end of the hook portion 4 is inserted and locked into the distal end hole of the cylindrical elongated rod body 5 from the opening, and the upper curved rod of the hook portion 4 is connected to one of the concave portions. The safety net hanging device for building construction can be locked and held in a horizontal state by being locked to the stop portion 6). Since it is configured to be supported at points, it can be stably and horizontally held.

Accordingly, in the present embodiment, the grip 9 is fitted on the base end of the pipe material, and the trumpet-shaped cylindrical body 8 having a concave portion on the side opposite to the tip is fitted on the distal end of the pipe material. Thus, the lifting rod of the present embodiment can be manufactured very easily.

Next, the operation method will be described.

As described above, the building construction safety net hanging device is locked to the lifting bar locking portion 6 as described above, and the lifting bar is lifted and the building construction safety net is placed on the horizontal bar 2 from above. The hanging tool is fitted and fixed. At this time, since the building construction safety net hanging device can be stably locked to the locking portion 6 in a horizontal state as described above, the fitting fixing work is easily performed. By repeating this operation, a suitable number of building construction safety net suspenders are arranged on all the horizontal timbers 2 adjacent to the space in the structure where the net 3 is to be stretched.

Subsequently, the net edge of the net 3 is locked to the locking portion 6 of the lifting rod, and the lifting rod is lifted to remove the net 3.
Is hooked on the hook portion 4 of the safety net hanging device for building construction fitted on the horizontal member 2. At this time, since the mesh edge of the net 3 can be satisfactorily locked to the locking portion 6 as described above, the operation of locking the mesh edge of the locked net 3 to the hook portion 4 is easily performed. And this work is repeated and horizontal material 2
The net edges of the net 3 are successively locked to the hook portions 4 of the plurality of safety net hanging devices for building construction arranged in the above-mentioned manner, and the net 3 is hung in the space in this structure as shown in FIG. Stretch it down.

[0040]

As described above, according to the present invention, since the base is formed in a shape capable of being fitted to the horizontal member from above, the base can be simply inserted into the horizontal member from above. When the net is locked to the hook portion due to the fitted structure, a force acts in the locking direction of the base due to the weight of the net, so that the locking to the lateral member is strengthened. However, even if an operator or a work tool falls on the net, a force acts in the locking direction of the base similarly, so that the base does not come off from the horizontal member.

Therefore, the operability of attaching and detaching the horizontal member is remarkably improved as compared with the conventional product, and the locking of the base member to the horizontal member is strong. It becomes a safety net hanging tool for building construction.

In addition, since the base has a simple structure in which the base is simply formed into a shape that can be fitted onto the lateral member from above and a hook portion is provided, the building has an excellent structure such as easy manufacture and low cost. It will be a safety net hanging device for construction.

According to the second aspect of the present invention, since the base is formed in a U-shaped plate shape which can be fitted to the laterally installed square member such as a girder from above, the base is simply fitted to the horizontally installed square member from above. By simply inserting the base, the base is securely prevented from rotating against the lateral square bar, so that the fixing strength of the base to the horizontal square bar is further enhanced, and the hook portion is provided on the side of the base. The construction of a building with an excellent structure, such that the hook portion does not interfere with the fitting of the base to the horizontal bar, and the workability when fixing the base to the horizontal bar is further improved. For safety net hanging.

Further, since the base can be formed simply by bending the plate material into a U-shape, the manufacture is further facilitated.

According to the third aspect of the present invention, since the hooks are provided on both sides of the base, when the base is fitted to the lateral member, the hooks are provided on both sides of the lateral member. Thus, a safety net hanging device for building construction having a highly practical structure capable of locking the net to the space portions on both sides of the horizontal member with this integral base.

According to the fourth aspect of the present invention, the net is locked by locking the net to the locking portion at the tip of the lifting rod, and the lifting rod is operated by lifting. Can be locked to the hook portion of the building construction net hanging tool fitted to the horizontal member.

Therefore, when locking the net to the hook portion, the worker does not have to climb to the height at which the horizontal member is damaged, so that the work can be performed safely. It becomes a fixture with a safety net for building construction.

In the same manner, the net edge of the net can be hooked on the hook portion and the net can be detached from the hook portion, so that the net can be safely removed.

According to the fifth aspect of the present invention, since the construction is as described above, the hanging net for building construction according to any one of the first to third aspects of the present invention is attached to the locking portion at the tip of the lifting rod. By locking the fixture and lifting the lifting rod, the building construction net hanging tool can be fitted and fixed to the horizontal member, and subsequently, the locking portion at the tip of the lifting rod The net can be locked to the hook portion of the building construction net hanging tool fitted to the horizontal member by lifting the lifting rod.

Therefore, when the building construction net suspender is fitted to and fixed to the horizontal member and when the net is locked to the hook portion, the worker climbs to the height position where the horizontal member exists. Since it is not necessary, the work at the place where the net has not been stretched is not required, and the work can be performed more safely.

In the same manner, the building construction net hanging tool according to any one of claims 1 to 3 is locked to the locking portion, and the building construction net hanging tool is removed from the horizontal member. It is also possible to remove the net from the hook part by locking the net edge of the net to the locking part. Become.

In particular, by providing a locking portion for locking the net and a locking portion for locking the net hanging tool for building work on one lifting rod, the above operation can be performed by one lifting rod. It can also be configured as a lifting rod that is very workable and can be carried out by the body.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a safety net hanging device for building construction of this embodiment.

FIG. 2 is an explanatory perspective view showing a lifting rod according to the present embodiment.

FIG. 3 is a schematic explanatory view, partially cut away, showing a state in which a safety net hanging device for building work is locked to a locking portion of a lifting rod according to the present embodiment.

FIG. 4 is a perspective view showing a use state of the building construction safety net hanging device of the present embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base 2 Horizontal material (horizontal material) 3 Net 4 Hook part 5 Long rod 6 Lock part 7 Lock part

Claims (5)

[Claims] 1. A safety net suspension for building construction, wherein a base is formed in a shape capable of being fitted to a horizontal member such as a girder from above, and a hook portion for locking the net is provided on the base. Utensils. 2. The base body is formed in a U-shaped plate shape which can be fitted to a horizontal square member such as a girder from above, and a hook portion for locking a net is provided on a side portion of the base body. Item 4. The safety net hanging device for building construction according to Item 1. 3. The safety net hanging device for building construction according to claim 1, wherein the hook portions are provided on both side portions of the base body, respectively. 4. A safety net hanging device for building work according to any one of claims 1 to 3, and a lifting portion provided with a locking portion for locking the net at a distal end portion of a long rod. A fixture with a safety net for building construction, comprising a rod. 5. A safety net hanging device for building construction according to any one of claims 1 to 3, and the safety net hanging device for building construction is locked to a tip of a long rod. 5. The fixture with a safety net for building construction or the fixture with a safety net for building construction according to claim 4, comprising a lifting rod provided with a locking portion.