JP2020002690A - Brace fixing unit and floor support structure using brace fixing unit - Google Patents

Abstract

To provide a brace fixing unit which has no limit on a length of a brace material, and an attachment angle and an attachment orientation with respect to a horizontal face, can use the brace material having an arbitrary length, can fix the brace material to a sleeper material at an arbitrary attachment angle and in an arbitrary attachment orientation, and can enhance support rigidity more than that of a conventional floor support structure, and a floor support structure using the brace fixing unit.SOLUTION: This brace fixing unit comprises: a fixing metal fixture for fixing a brace material having at least a pair of side faces; a support metal fixture for the fixing metal fixture; and a fastening member for fixing the fixing metal fixture to the support metal fixture. The fixing metal fixture comprises a pair of brackets and is configured to be able to fix the brace material gripped between the pair of brackets. The fixing metal fixture can be fixed to the support metal fixture which is fixed to a sleeper material by using the fastening member.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a brace fixing unit for fixing a brace material used for increasing floor supporting strength, and a floor supporting structure using the brace fixing unit.

Conventionally, in a floor support structure in which a large pulling material is arranged on a floor slab via a floor supporting leg and a joist and a floor plate are provided on the large pulling material, a large pulling material and a floor are used to increase the supporting strength. It has been practiced to provide a brace material as a diagonal material between a support leg or between a large pulling material and a floor slab (see Patent Document 1).
In the floor support structure in Patent Document 1, a flat plate bracket is fixed to a large pulling member, and a flat plate bracket is similarly fixed to a lower portion of a floor support leg, and a brace material is provided between these brackets as a diagonal member. Is disclosed (see Patent Document 1).
In this floor support structure, since the brace material is fixed between the large pulling material and the floor support legs, there is an advantage that the vibration of the large pulling material in the longitudinal direction can be prevented.

JP 08-165786 A Utility Model Registration No. 2600408

However, in the above-described conventional floor support structure, since a bracket made of a flat plate is fixed to the side surface of the large pulling material and the brace material is fixed to the bracket, the brace material is provided along the longitudinal direction of the large pulling material. Will be done. For this reason, the maximum length of the brace material is limited to the length from the bracket to the lower part of the floor support legs placed across the bracket, and the brace material hits the floor support legs, so make it longer. There is a problem that can not be. When the length of the brace material is limited as described above, for example, reinforcement work cannot be performed only by changing the dimensions of the brace material prepared in advance, so that the workability is poor. Also, the mounting angle of the brace material is limited due to the contact with the floor support legs.
Furthermore, the above-mentioned conventional floor support structure has a structure in which a bracket made of a flat plate is fixed to the side surface of the large pulling material and one end of the brace material is fixed to the bracket, so that the mounting direction of the brace material is also limited. For example, the brace material is provided in a direction orthogonal to the longitudinal direction of the large pulling material, or the brace material is formed at a certain angle in the horizontal direction with respect to the longitudinal direction of the large pulling material so as to avoid the floor support legs. In the case of providing, there is a problem that brackets of different shapes must be used, and brackets of a plurality of types are required.
Furthermore, in the above-mentioned Patent Document 1, as is the case with the above, as the brace material conventionally used as an oblique material, a brace material having a blade plate-shaped portion such as a blade bolt at both ends is generally used ( Patent Document 2). The above-mentioned brace material is used by fixing the blade-like portions at both ends thereof to bolts made of a flat plate with bolts. Therefore, there remains a problem that the strength of the connecting portion between the brace material and the bracket is not so high.
The present invention solves the above-mentioned conventional problems, there is no limitation on the length of the brace material, the mounting angle with respect to the horizontal plane, and the mounting direction, it is possible to use a brace material of any length, and At present, the brace material can be fixed to the large pulling material at any mounting angle and mounting direction, and furthermore, there is a need to enhance the earthquake-resistant structure. It is an object of the present invention to provide a brace fixing unit capable of further increasing the supporting strength than a structure, and a floor support structure using the brace fixing unit.

The brace fixing unit according to the present invention,
A fixture for fixing a brace material having at least a pair of side surfaces,
A support fitting for the fixing fitting,
A brace fixing unit comprising: a fixing member for fixing the fixing metal to the support metal;
The fixing bracket,
A flat support having a mounting hole,
And a pair of brackets extending substantially vertically downward from the front and rear sides of the support portion, respectively, and
Brace mounting holes are provided on both left and right sides of each bracket,
In a state where the pair of side surfaces of the brace material are sandwiched between the pair of brackets, the brace material is configured to be fixed to the pair of brackets with a fastener through the brace mounting hole,
The support bracket is formed in a U-shape or an L-shape so that it can be attached to a large pulling material,
A projecting hole having a screw portion on the inner surface is formed in a bottom plate of the support fitting,
It is configured such that the fixing member can be fixed to the supporting member by the fastening member in a state where the projecting hole of the supporting member and the mounting hole of the fixing member are aligned. .
In the above-mentioned brace fixing unit, a plurality of brace mounting holes can be arranged in a matrix in each bracket.
Further, the floor support structure according to the present invention,
In a floor support structure that attaches a brace material between the base material and a large pulling material supported by a plurality of floor support legs juxtaposed on the base surface,
On the large catch, the brace fixing unit is fixed such that its fixing bracket is at an appropriate angle with respect to the length direction of the large catch on a horizontal plane,
At an appropriate position on the base surface, a bottom brace fixing bracket having a pair of brackets having brace mounting holes, extending upward from both sides of the bottom plate and the bottom plate, is fixed.
A state in which the pair of side surfaces of both ends of a brace material having at least a pair of opposed side surfaces are sandwiched between a pair of brackets of the fixing bracket in the brace fixing unit and between a pair of brackets of the lower brace fixing bracket. Then, the brace material is fixed to a pair of brackets by a fastener through a brace mounting hole of the bracket.
In the above-described floor support structure, the bracket of the brace fixing unit is positioned at a predetermined angle in a horizontal plane with respect to the longitudinal direction of the large pulling material, whereby the brace material after attachment is provided. It can be fixed to the support fitting so that interference with the floor support legs can be avoided.
Further, in the above-described floor support structure, the fixing bracket of the brace fixing unit may be fixed to the supporting bracket such that a bracket thereof is located in a direction orthogonal to a longitudinal direction of the large pulling material in a horizontal plane.
Further, in the floor support structure, an angle between at least one side of the bracket of the lower brace fixing bracket and a horizontal plane may be 60 ° or less.
Further, the angle between both sides of the bracket of the lower brace fixing bracket and the horizontal plane may be different. In this case, for example, the angle between one side and the horizontal plane of the bracket of the lower brace fixing bracket may be 45 °, and the angle between the other side and the horizontal plane may be 60 °.

A brace fixing unit according to the present invention includes a fixing member for fixing a brace material having at least a pair of side surfaces, a support member for the fixing member, and a fastening member for fixing the fixing member to the support member. A brace fixing unit comprising: a fixing bracket, a flat plate-shaped support portion having a mounting hole formed therein, and a pair of brackets extending substantially vertically downward from front-rear side sides of the support portion. Are formed integrally, and brace mounting holes are provided on both left and right portions of each of the brackets, and the brace material is held in a state where the pair of side surfaces of the brace material are sandwiched between the pair of brackets. Can be fixed to a pair of brackets by fasteners through the brace mounting holes, and the support fitting can be attached to a large pulling member. Formed in a U-shape or L-shape, a bottom plate of the support fitting is formed with a projecting hole having a threaded portion on an inner surface, and the projecting hole of the support fitting and the mounting hole of the fixing fitting are aligned. In this state, the fastening member is configured to be able to fix the fixing bracket to the support bracket, so that a pair of square steel, H-section steel, C-section steel, round steel, or the like having high strength of itself is used. Can be used as a brace material, and the floor support strength can be increased.
Further, since the brace fixing unit according to the present invention can fix the pair of side surfaces of the brace material between the two brackets, as compared with the case where the blade plate portion is fixed to one bracket with bolts. And the strength at the connecting portion of the brace material is increased.
Further, in the brace fixing unit according to the present invention, a mounting hole is provided in a supporting portion of the fixing bracket, a projecting hole portion having a screw portion on an inner surface is provided in the supporting bracket attached to the large pulling member, and the projecting hole portion and Since the fixing bracket is fixed to the support bracket with a fastening member in a state where the mounting bracket is aligned with the mounting hole, before fixing with the fastening member, the angular position of the fixing bracket with respect to the support bracket in a horizontal plane. Can be arbitrarily adjusted. Thereby, since it is possible to arbitrarily adjust the mounting angle of the brace material in the horizontal plane with respect to the longitudinal direction of the large pulling material, if necessary, fix the brace material at an angle that avoids interference with the support legs, Further, the brace material can be fixed at an angle perpendicular to the longitudinal direction of the large attracting material. For this reason, without preparing brackets of a plurality of types, using one type of brace fixing unit, there is no limitation on the length of the brace material, the mounting angle in the horizontal plane (that is, the mounting direction) and the mounting angle with respect to the horizontal plane, It is possible to fix any brace material in any mounting direction and mounting angle.
Furthermore, since a high-strength square steel, H-beam, C-beam or round steel can be used as a brace material without special processing, the cost can be reduced.
Also, by providing a plurality of brace mounting holes in a matrix on each bracket, the brace mounting holes face the side surfaces of the brace material no matter what angle the brace material is arranged between the brackets of the brace fixing unit. Since it is configured so that the angle at which the brace material is fixed can be freely selected, construction becomes easy.
Further, the floor support structure according to the present invention is characterized in that in the floor support structure for mounting a brace material between a base material and a large support member supported by a plurality of floor support legs arranged side by side on the base surface, The brace fixing unit is fixed to the material so that the fixing bracket is at an appropriate angle with respect to the longitudinal direction of the large pulling material in a horizontal plane, and a bottom plate and a bottom plate are provided at appropriate positions on the base surface. A lower brace fixing bracket having a pair of brackets provided with brace mounting holes extending upward from both sides of the portion, and between the pair of brackets of the fixing bracket in the brace fixing unit, and the lower brace fixing bracket In a state where the pair of side surfaces at both ends of the brace material having at least a pair of opposed side surfaces are sandwiched between the pair of brackets, the brace material is Comprising fixed to a pair of brackets by fastening members through the race mounting hole. Thus, in the floor support structure according to the present invention, the brace fixing unit and the lower brace fixing bracket each include a pair of brackets, and the pair of side surfaces of the brace material are sandwiched between the brackets of the fixing brackets. Therefore, the same effect as that of the brace fixing unit described above is obtained. Further, the floor supporting structure according to the present invention can use a steel material having a high strength of itself such as a square steel, an H-shaped steel, a C-shaped steel or a round steel as a brace material, and connect both ends of the brace material to a pair of brackets. Because it is sandwiched and fixed between them, the strength at the connecting part of the brace material is increased, as compared with the case where the blade plate part is fixed to one bracket with bolts, square steel, H-shaped steel, C-shaped steel, round steel, etc. As described above, the strength of the material itself having a pair of side surfaces is high, so that the supporting strength of the floor is high.
Further, the bracket of the brace fixing unit, the bracket thereof is located at a predetermined angle in the horizontal plane with respect to the longitudinal direction of the large pulling material, whereby the brace material after mounting, the floor support legs By fixing it to the support bracket so that it can be avoided, vibrations in which the large pulling material sways in the longitudinal direction can be prevented.

Further, in the floor support structure, the brace fixing unit is fixed to the floor support leg so that a bracket thereof is positioned in a direction orthogonal to a longitudinal direction of the large pulling material, and the lower brace fixing bracket is mounted on a base surface. By fixing at a predetermined position in the direction orthogonal to the longitudinal direction of the large attracting material in the above, it is possible to prevent the large attracting material from vibrating in the direction perpendicular to the longitudinal direction.
Further, in the floor support structure, the angle between at least one side of the bracket of the lower brace fixing bracket and a horizontal plane is 60 ° or less, so that the brace material is fixed to the lower brace fixing bracket when the brace material is fixed. It is easy to arrange the brace material at a fixed angle only by arranging it along the inclination of the bracket. This makes it possible to greatly enhance the ease of construction.
Further, the angle between both sides and the horizontal plane in the bracket of the lower brace fixing bracket is a different angle, for example, the angle between one side and the horizontal plane in the bracket of the lower brace fixing bracket is 45 °, By setting the angle between the other side and the horizontal plane to 60 °, the brace material can be easily fixed at an angle of 45 ° or 60 ° using one lower brace fixing bracket. .

It is a front view of the fixture of the brace fixing unit concerning the present invention. FIG. 2 is a plan view of the fixture shown in FIG. 1. FIG. 2 is a bottom view of the fixture shown in FIG. 1. FIG. 2 is a perspective view of the fixture shown in FIG. 1. It is a front view of the support bracket of the brace fixing unit which concerns on this invention. FIG. 7 is a cross-sectional view of the support bracket shown in FIG. 6 taken along the line AA. FIG. 4 is an exploded view of a fixing member, a support member, and a fastening member in a brace fixing member. FIG. 4 is an enlarged partial cross-sectional view showing details of a connecting portion between a fixing bracket and a support bracket in the brace fixing bracket according to the present invention. It is a figure showing an example of a floor support structure concerning the present invention. It is a front view of a lower brace fixing bracket. It is a top view of the lower brace fixing bracket shown in FIG. It is a bottom view of the lower brace fixing bracket shown in FIG. It is a perspective view of the lower brace fixing bracket shown in FIG. FIG. 9 is a plan view of another embodiment of the fixing bracket of the brace fixing unit according to the present invention. FIG. 15 is a bottom view of the fixture shown in FIG. 14. FIG. 15 is a side view of the fixture shown in FIG. 14.

  Hereinafter, embodiments of a brace fixing unit and a floor support structure using the brace fixing unit according to the present invention will be described with reference to an embodiment shown in the accompanying drawings.

1 to 4 show a front view, a plan view, a bottom view, and a perspective view of a fixing bracket of the brace fixing unit according to the present invention, respectively.
As shown in the drawing, the fixing bracket 1 of the brace fixing unit X is formed by bending a single steel plate.
The fixing bracket 1 includes a plate-shaped support portion 2, and a pair of brackets 3, 3 extending substantially vertically downward from the front and rear sides of the support portion 2, and projecting from the support portion 2 in both left and right directions. And are integrally formed by bending.
The support portion 2 is formed with support bracket mounting holes 2a for fixing to a support bracket 5 described later, and a plurality of (9 in this embodiment) brace mounting holes are provided on both left and right sides of each bracket 3. 4 are formed in a matrix.
The distance T1 between the pair of brackets 3, 3 is sized according to the width between the pair of side surfaces in a material having at least a pair of side surfaces used as a brace material.
With the above-described configuration, the brace material can be appropriately bolted or screwed by using an arbitrary brace mounting hole 4 while holding the pair of side surfaces of the brace material sandwiched between the pair of brackets 3. It can be fixed to the pair of brackets 3 with a suitable fastener. Here, as the material having at least one pair of side surfaces, specifically, for example, steel materials such as square steel, H-shaped steel, C-shaped steel or round steel can be mentioned, and these materials are conventionally used at both ends. The strength of the brace material itself is higher than that of a brace material having a blade-like portion. Also, by fixing the brace material between the pair of brackets 3 and fixing it from both sides, the support strength of the connecting portion is increased as compared with the conventional brace material in which the blade plate-like portion is fixed to one bracket. Therefore, it is possible to increase the support strength of the entire floor support structure. Also, it is not necessary to use a brace material having a special structure to increase the support strength of the floor support structure, and a general steel material such as a square steel, an H-shaped steel, a C-shaped steel or a round steel can be used. , The cost does not go up.
Furthermore, by arranging the plurality of brace mounting holes 4 in the bracket 3 in a matrix, no matter what angle the brace material is disposed between the brackets 3, at least one brace mounting hole 4 must be connected to the brace material. Since they face each other, attachment of the brace material is also facilitated.

Next, the configuration of the support fitting 5 in the brace fixing unit X according to the present invention will be described with reference to FIGS.
The support metal member 5 is formed by bending a steel plate into a U-shape, and a cushion material 5a is provided on an inner surface thereof. At the center of the bottom plate 6 of the support fitting 5, a projecting hole 6 a that projects upward in a cylindrical shape by burring is formed, and a screw groove is formed inside the projecting hole 6 a. In addition, fastening holes 7a, 7a are formed in the upper portions of the pair of side plate portions 7, 7 for passing a large fastening member 8 composed of a bolt and a nut.
The distance T2 between the side plates 7, 7 in the support fitting 5 configured as described above is dimensioned according to the width of the large pulling material to be attached.

The assembly of the brace fixing unit X configured as described above will be described with reference to FIGS.
FIG. 7 is an exploded assembly view of the brace fixing unit. FIG. 8 shows the fixing bracket 1 attached to the supporting bracket 5 so that the bracket 3 of the bracket 1 is orthogonal to the longitudinal direction of the large pulling member 12 in the horizontal plane. It is a figure showing the state where it was fixed.
As shown in FIGS. 7 and 8, the fixing member 1 has a fastening member via a spring washer 9 a in a state where the supporting member mounting hole 2 a of the supporting portion 2 and the projecting hole portion 6 a of the supporting member 5 are aligned. Is fixed to the support fitting 5 by a bolt 9b as a support.
More specifically, after attaching the support fitting 5 to the large pulling member 12, the bolt of the large fastening member 8 is passed through a fastening hole 7a formed in each side plate portion 7 of the support fitting 5, and tightened with a nut. Thereby, the support fitting 5 is fastened to the large attracting material 12.
The fixing fitting 1 is arranged on the bottom surface of the support fitting 5 in a state where the mounting hole 2a of the support 2 and the projection 6a of the support fitting 5 are aligned. At this time, since the fixing fitting 1 is not yet fixed, it can be rotated on a horizontal plane about the mounting hole 2a. After defining the angular position of the fixture 1 in the horizontal plane, the fixture 1 is fixed to the support fixture 5 using the bolt 9b via the spring washer 9a (see FIG. 8).

  Hereinafter, a floor support structure using the brace fixing unit configured as described above as an upper brace fixing unit will be described.

FIG. 9 is a view showing one embodiment of the floor support structure according to the present invention.
The floor support structure in this embodiment is:
A plurality of floor support legs 11 attached to a floor slab 10 as a base surface;
A plurality of large pulling members 12 supported from below by the floor supporting legs 11,
An upper brace fixing unit X fixed to the large attracting material 12,
A lower brace fixing bracket 20 fixed to the floor slab 10,
A brace member 13 whose both ends are fixed by the upper brace fixing unit A and the lower brace fixing bracket 20.
A joist 14 is disposed on the large pulling material 12, and a floor plate 15 is laid on the joist 14.
The brace material used in this embodiment is also made of a material having at least one pair of side surfaces. Specifically, for example, a square steel, an H-shaped steel, a C-shaped steel, a round steel, or the like may be used.

As described above, the upper brace fixing unit X has the support fitting 5 fixed to the large attracting material 12 and the fixing fitting 1 fixed to the support fitting 5 by the fastening member 9.
In this embodiment, the fixing bracket 1 is positioned so that the bracket 3 is slightly deviated in a horizontal plane with respect to the longitudinal direction of the large drawing material 12, specifically, an angle of about 45 degrees. Fixed. Thereby, the brace material 13 supported by the fixing metal 1 does not interfere with the floor support legs 11.

Next, the lower brace fixing member 20 fixed to the floor slab 10 will be described.
10 to 13 show a front view, a plan view, a bottom view, and a perspective view of the lower brace fixing bracket 20 fixed to the floor slab 10, respectively.
As shown in the drawing, the lower brace fixing bracket 20 includes a bottom plate portion 21 fixed to the floor slab 10, a pair of flange portions 22 extending upward from both sides in the front-rear direction of the bottom plate portion 21, and left and right sides of each flange portion 22. A pair of brackets 23 that extend further obliquely rightward and upward from near the center in the direction are integrally formed by bending.
Each of the brackets 23 is formed such that the angle α between the right side 23a and the horizontal line H is 45 ° and the angle β between the left side 23b and the horizontal line H is 60 °. Is formed with a plurality (three in this embodiment) of brace mounting holes 24.
Further, a plurality of (three in this embodiment) mounting holes 21a are also formed in the bottom plate portion 21. Through the mounting holes 21a, the lower brace fixing bracket 20 is attached to the floor slab 10 by bolts, screws, or the like. It is fixed with an appropriate fastener.
In the lower brace fixing bracket 20 configured as described above, the angle α between the right side 23a of the bracket 23 and the horizontal line H is 45 °, and the angle β between the left side 23b and the horizontal line H is 60 °. Therefore, for example, when the brace material is arranged along the right side 23a and fixed to the bracket 23, the brace material can be fixed at an angle of 45 ° with respect to the floor slab 10, If it is arranged along the left side 23b and fixed to the bracket 23, the brace material can be fixed to the floor slab 10 at an angle of 60 °. These 45 ° and 60 ° are angles suitable for the arrangement angle of the brace material as the oblique material. Therefore, according to the lower brace fixing bracket 20 configured as described above, it is possible to easily attach the brace material at a preferable angle simply by determining the fixing position of the lower brace fixing bracket 20 to the floor slab 10 in advance. And the construction becomes remarkably easy. The angle between both sides of the bracket 23 and the horizontal line in the lower brace fixing bracket 20 can be set arbitrarily. For example, the right side and the left side may have the same angle with respect to the horizontal line. , 45 ° and 60 °. Specifically, for example, the bracket 23 may be formed so that the angle between one side and the horizontal line is 30 °.

  As described above, the side surface 13a is sandwiched between the brackets 3 of the upper brace fixing unit X fixed to the large pulling member 12 and between the brackets 23 of the lower brace fixing bracket 20 fixed to the floor slab 10. Then, the brace material 13 is fixed to the brackets 3 and 23 with appropriate fastening tools such as bolts and screws through the brace mounting holes 4 and 24 with the upper end and the lower end of the brace material 13 arranged. As a result, the brace material 13 is fixed at the upper end and the lower end with both side surfaces 13a sandwiched between the pair of brackets 4 and 33.

  In the above-described embodiment, the upper brace fixing unit A is fixed so that the bracket 3 of the fixing bracket 1 is slightly shifted from the longitudinal direction of the large drawing material 12 in the horizontal plane. Can be prevented from vibrating in the longitudinal direction.

The fixing direction of the upper brace fixing unit A is not limited to the present embodiment. For example, the upper brace fixing unit A is fixed such that the bracket 3 of the fixing bracket 1 is located in a direction orthogonal to the longitudinal direction of the large pulling member 12. By fixing in this manner, it is possible to prevent the large attracting material 11 from vibrating in a direction orthogonal to the longitudinal direction.
In the above-described embodiment, the nine brace mounting holes 4 are provided in the form of a matrix in the bracket 3 of the upper brace fixing unit A. However, the configuration is not limited to the present embodiment. Can be set arbitrarily.

Next, another embodiment of the fixing bracket 1 in the brace fixing unit X according to the present invention will be described with reference to FIGS. 14 to 16 has the same configuration as the fixing bracket 1 shown in FIGS. 1 to 4 except for a part of the configuration, and thus the same or similar components are used. Are denoted by the same reference numerals, and redundant description will be omitted.
In the embodiment shown in FIGS. 1 to 4, the fixing bracket 1 extends substantially vertically downward from the front and rear sides of the flat support member 2 and the support member 2. A pair of brackets 3, 3 protruding in both left and right directions are integrally formed by bending. That is, the length in the left-right direction of the flat supporting portion 2 is shorter than the length in the left-right direction of the pair of brackets 3.
In the embodiment shown in FIGS. 14 to 16, the length of the flat supporting portion 2 in the left-right direction is the same as the length of the bracket 3 in the left-right direction. With such a configuration, there is an effect that the strength of the pair of brackets 3 is increased and processing is facilitated.

  As described above, in the brace fixing unit X according to the present invention, the brace material is fixed in a state where the brace material having the pair of side surfaces is sandwiched by the pair of brackets of the fixing metal. The connection strength of the brace material is higher than in the case of the character shape, and as a result, the floor support strength can be increased.

X Brace fixing unit 1 Fixture 2 Support 2a Support fitting attachment hole 3 Bracket 4 Brace attachment hole 5 Support fitting 5a Cushion material 6 Bottom plate 6a Projection hole 7 Side plate 7a Fastening hole 8 Large fastening member 9a Spring washer 9b Bolt


DESCRIPTION OF SYMBOLS 10 Floor slab 11 Floor support leg 12 Large pulling material 13 Brace material 13a Side surface of brace material 14 Joist material 15 Floor plate material

Reference Signs List 20 Lower brace fixing bracket 21 Bottom plate 21a Mounting hole 22 Flange 23 Bracket 23a Right side 23b Left side 24 Brace mounting hole

T1 Distance between brackets T2 Distance between side plates α Angle between right side 33a of bracket 33 and horizontal line H β Angle between left side 33a of bracket 33 and horizontal line H H horizontal line

Claims (8)

A fixture for fixing a brace material having at least a pair of side surfaces,
A support fitting for the fixing fitting,
A brace fixing unit comprising: a fixing member for fixing the fixing metal to the support metal;
The fixing bracket,
A flat support having a mounting hole,
And a pair of brackets extending substantially vertically downward from the front and rear sides of the support portion, respectively, and
Brace mounting holes are provided on both left and right sides of each bracket,
In a state where the pair of side surfaces of the brace material are sandwiched between the pair of brackets, the brace material is configured to be fixed to the pair of brackets with a fastener through the brace mounting hole,
The support bracket is formed in a U-shape or an L-shape so that it can be attached to a large pulling material,
A projecting hole having a screw portion on the inner surface is formed in a bottom plate of the support fitting,
It is configured such that the fixing member can be fixed to the supporting member by the fastening member in a state where the protruding hole of the supporting member and the mounting hole of the fixing member are aligned. Brace fixing unit. The brace fixing unit according to claim 1, wherein a plurality of brace mounting holes are arranged in a matrix on each bracket. In a floor support structure that attaches a brace material between the base material and a large pulling material supported by a plurality of floor support legs juxtaposed on the base surface,
The brace fixing unit according to claim 1 or 2 is fixed to the large pulling material so that a fixing bracket thereof has an appropriate angle with respect to a length direction of the large pulling material in a horizontal plane,
At an appropriate position on the base surface, a bottom brace fixing bracket having a pair of brackets having brace mounting holes, extending upward from both sides of the bottom plate and the bottom plate, is fixed.
A state in which the pair of side surfaces at both ends of the brace material having at least a pair of opposite side surfaces are sandwiched between a pair of brackets of the fixing bracket in the brace fixing unit and between a pair of brackets in the lower brace fixing bracket. A floor support structure characterized in that the brace material is fixed to a pair of brackets by fasteners via brace mounting holes of the bracket. The bracket in the brace fixing unit is such that its bracket is positioned at a predetermined angle in a horizontal plane with respect to the longitudinal direction of the large pulling material, so that the attached brace material avoids the floor support legs. The floor support structure according to claim 3, wherein the floor support structure is fixed to the support fitting so that the floor support can be formed. The said fixing bracket in the said brace fixing unit is being fixed to the said supporting bracket so that the bracket may be located in the direction orthogonal to the horizontal surface in the longitudinal direction of a large pulling material. Floor support structure. The floor support structure according to any one of claims 3 to 5, wherein an angle between at least one side of the bracket of the lower brace fixing bracket and a horizontal plane is 60 ° or less. The floor support structure according to claim 6, wherein angles between both sides of the bracket of the lower brace fixing bracket and a horizontal plane are different angles. The angle between one side and the horizontal plane of the bracket of the lower brace fixing bracket is 45 °, and the angle between the other side and the horizontal plane is 60 °. A floor support structure as described.

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