JP3445983B2 - ALC version of building exterior wall repair equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a building outer wall repairing device in which the outer wall is formed of an ALC plate.

[0002]

2. Description of the Related Art ALC plates (cellular concrete or lightweight cellular concrete) are lightweight and excellent in heat insulation, sound insulation, and fire resistance, and are widely used as outer wall materials, as well as partition walls, floors, and roofing materials. There is something.

Many of these characteristics are largely owed to the porous nature of the ALC plate, but on the other hand, they also have the disadvantage of high water absorption. Therefore, when it is used as an outer wall or a roof, it is necessary to sufficiently waterproof the surface. Painting is effective for waterproofing,
Since the surface of the building is repeatedly dry and wet for many years, as the building ages, the surface deteriorates and the adhesion of paint decreases.
For this reason, when coating the deteriorated ALC outer wall, there arises a problem that pretreatment work such as scraping off the surface during coating is required.

When the ALC outer wall is deteriorated, a method of replacing it with a new outer wall can be considered, but this method is not necessarily a good measure in terms of waste material treatment or construction cost.

In order to solve the above-mentioned problems, a construction method has been developed in which an exterior material is attached to the surface of an existing outer wall to retain the characteristics of the ALC plate and to beautifully repair the building surface.

As an example of the prior art, Japanese Patent Laid-Open No. 2-101
There is a repairing method found in Japanese Patent No. 251 or Japanese Patent Laid-Open No. 4-38363.

The former of the prior art is the AL as shown in FIG.
C The metal object 4 for attaching the exterior material to be attached to the outside of the outer wall is fixed to the building frame (H-shaped steel) 1, but not all the metal objects are fixed to the frame 1 and part of the metal fitting 8 is the anchor 9
It is fixed to the ALC plate by. However, the problem remains that even if an anchor is driven into an ALC plate whose surface has deteriorated, the anchor strength for supporting the exterior material against wind pressure or the like cannot be obtained sufficiently.

On the other hand, in the latter case of the prior art, as shown in FIG. 4, the metal fitting member 6 for mounting the panel provided on the outer wall of the building is fixed to the ALC plate 1 by the fixing tool 2. Therefore, in this case as well, Therefore, there is a problem that the mounting strength of the exterior material is not sufficient.

[0009]

SUMMARY OF THE INVENTION The present invention does not damage the ALC plate by directly fixing the supporting metal fittings for attaching the exterior material to the outside of the ALC outer wall to the building frame without applying a load to the ALC plate. Therefore, it is an object of the present invention to provide a refurbishing device that reliably and securely fixes.

[0010]

[Means for Solving the Problems] A solution means is to insert a support fitting through a core removal hole that penetrates an outer wall of an ALC to fix the support fitting to a building frame, and to attach the support fitting to a vertical furring strip or a horizontal furring strip. Is a refurbishing device for fixing an external material to a vertical furring strip or a horizontal furring strip fixed to the outside of an ALC outer wall, and a supporting metal fitting 110 is formed by an outer member and an inner member, both of which are arranged in a longitudinal direction. It is characterized by being expandable and contractible and the entire length can be adjusted.

The support fitting 110 of the typical embodiment is a rectangular cylindrical body having an outer member and an inner member each having a bottom, and a screw shaft is provided inside the outer member so that the screw shaft can freely rotate. Is provided with a female screw that is screwed to the screw shaft, and both are screwed to each other so that they can expand and contract in the length direction.

In the repair work, the support metal fitting 110 is inserted through the core removal hole 40 formed in the ALC outer wall 3 and fixed to the building body 1 of the building. The support fitting 110 includes an outer member 111 and an inner member 11.
Move 2 relative to adjust the length. Next, support bracket 1
The vertical furring strip 20 is fixed to 10, and the horizontal furring strip 30 is fixed to the vertical furring strip 20. An exterior material 50 that covers the surface of the building is fixed to the horizontal furring strip 30. Since the entire length of the support fitting 110 can be adjusted, not only can the ALC outer wall having different thickness be accommodated, but also the difference in the distance from the skeleton to the furring edge on the surface side of the ALC outer wall can be accommodated.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a vertical furring strip 20 for mounting exterior materials.
FIG. 2 shows a typical embodiment of the support fitting 110, in which the horizontal furring strip 30 is provided outside the ALC outer wall 3.

In these drawings, reference numeral 1 denotes a building frame, which is made of H-shaped steel, and an angle type mounting member 2 and a reinforcing bar 4 provided at a joint portion of an ALC outer wall 3 are connected to each other to form an outer wall. ing. In FIG. 1, the right side of the ALC outer wall 3 is the inside of the building. Reference numeral 110 denotes a support fitting which is fixed to the body 1 and is composed of an outer member 111 and an inner member 112, and both members are joined to each other so as to be expandable and contractable in the axial direction.

As shown in FIGS. 2A and 2B, a typical embodiment of the support metal fitting is that the outer member 111 and the inner member 112 are both rectangular cylinders having a bottom.
Does not rotate, but is fitted so that it can slide in the axial direction. A backing plate 114 having a recess 115 formed in the center is fixed to the bottom 113 of the outer member 111, and a screw shaft 116 axially oriented in the outer member 111 can be freely rotated in the recess 115. It is housed in and installed in. Note that 11
8 is a tool engagement groove 119 provided at the tip of the screw shaft 116.
Is a drill screw for attaching the outer member 111 to the body.

A guide cylinder 121 facing the inside of the cylinder is formed on the bottom 120 of the inner member 112, and a female screw 122 for screwing the screw shaft 116 is provided at the tip of the guide cylinder 121. .

In the figure, 20 is a vertical furring strip and 30 is a horizontal furring strip, and a plurality of these are attached at regular intervals.

In the work procedure for attaching the support metal fitting 110 to the skeleton 1, first, the position of the skeleton 1 is confirmed from the surface of the ALC outer wall 3 to mark out, and the core drill is used at the confirmed position for the ALC outer wall 3 concerned. To form a core removal hole 40. The support fitting 110 includes an outer member 111 and an inner member 11.
2 are separated, the bottom side of the outer member 111 is inserted toward the body 1, and the bottom 113 is fixed to the body 1 with a drill screw 119.

Next, the inner member 112 is inserted into the outer member 111. Then, the screw shaft 116 and the guide cylinder 121 are screwed together. Since the screw shaft 116 can freely rotate with respect to the outer member 111, when a tool such as a screwdriver is inserted into the guide cylinder 121 and the tip of the tool is engaged with the tool engagement groove 118, the screw shaft 116 is rotated. The outer member 111 and the inner member 112 move relative to each other so that the entire length of the support fitting 110 can be adjusted.

Subsequently, the vertical furring strip 20 is fixed to the bottom portion 120 of the inner member 112 by a drill screw 41 or rivets. After the vertical furring strips 20 are attached at appropriate intervals, the horizontal furring strips 30 are fixed to the respective vertical furring strips 20 at appropriate intervals by drill screws or rivets.

As a result, the vertical furring strip 20 and the horizontal furring strip 30 are provided on the surface of the ALC outer wall 3 at regular intervals, so that the exterior material 50 is attached to the horizontal furring strip 30. However, a filling material 42 such as a foam material may be filled in the gap between the core removal hole 40 and the support fitting 110 before the exterior material mounting work. Filling material 4
2 maintains the heat insulation and sound insulation performance of the ALC outer wall 3 and also exerts the effect of absorbing the shock due to an earthquake or the like.

[0022]

Industrial Applicability According to the present invention, a supporting metal fitting which is formed so as to be expandable and contractible and whose entire length can be adjusted is fixed to a body of a building, and a vertical furring strip and a horizontal furring strip are fixed to the supporting metal fitting, and these furring strips are fixed to these furring ribs. Since the exterior material is attached and the support metal fitting for supporting the exterior material can be directly fixed to the skeleton of the building without applying a load to the ALC plate, it has an effect of not damaging the ALC outer wall.

In addition, since the outer and inner members of the support metal fittings are expandable and contractible and the length of the whole fittings can be adjusted, various kinds of ALC outer walls having different thicknesses and a furring strip on the surface side of the body to the ALC outer wall can be adjusted. It has the effect of being able to handle differences in the distance to.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state in which a vertical furring strip and a horizontal furring strip for mounting exterior materials are provided on an ALC outer wall.

2A and 2B show a typical embodiment of a support fitting, where A is a sectional view and B is a front view.

FIG. 3 is an explanatory view showing a conventional technique.

FIG. 4 is an explanatory view showing another conventional technique.

[Explanation of symbols]

1 body 2 Angle type mounting bracket 3 ALC outer wall 4 rebar 20 Vertical furring 30 horizontal furry 40 core hole 41 drill screw 42 Filling material 50 exterior materials 110 Support bracket 111 External member 112 Inner member 113 bottom 114 Reliable plate 115 recess 116 screw shaft 117 head 118 Tool engagement groove 119 drill screw 120 bottom 121 Guide cylinder 122 female screw

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Claims (3)

(57) [Claims] 1. A support metal fitting is inserted from a core removal hole penetrating the ALC outer wall to fix the support metal fitting to a frame of a building, and a vertical furring strip or a horizontal furring strip is fixed to the support metal fitting, and the outside of the ALC outer wall. A refurbishing device for attaching an exterior material to a vertical furring strip or a horizontal furring strip fixed to a support, wherein a support metal fitting (110) is formed by an outer member and an inner member, and both the outer member and the inner member are bottomed rectangular tubes. It is a body, and the screw shaft is provided inside the outer member so that it can rotate freely, and the inner member is provided with a female screw that is screwed to the screw shaft. The ALC version of the building exterior wall refurbishment device is characterized by its flexibility and total length adjustment. 2. The guide cylinder according to claim 1, wherein a guide cylinder is provided at a bottom portion of the inner member, and the guide cylinder faces the inside of the inner member, and a female screw threadedly coupled to a screw shaft of the outer member is provided at a tip portion of the guide cylinder. The ALC version building outer wall refurbishing apparatus according to claim 1, wherein: 3. The outer member according to claim 1, wherein a backing plate having a concave portion is fixed to a bottom portion of the outer member, and the screw shaft axially oriented in the outer member is housed in the concave portion so that the head can freely rotate. The repair device for an outer wall of an ALC plate according to claim 1, wherein the repair device is provided on the outside wall of the ALC plate.