JPH1121992A - Railing frame support structure - Google Patents

Abstract

(57) [Problem] To provide a support structure for a handrail frame that can be attached with sufficient strength by a simple structure. SOLUTION: A handrail frame 1 has a lower end provided with a horizontal member 5.
Attached to the horizontal member 51 so as to be lower than 1;
A brace 7 is installed between the lower part of the handrail frame 1 and the horizontal member 51 or the frame 52 of the building body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for supporting a frame for forming a handrail wall on a structural body for supporting a balcony of a building.

[0002]

2. Description of the Related Art Conventionally, as a balcony of a building, a steel frame 10 is fixed on a beam 50 as shown in FIG.
A handrail wall is constructed by attaching the respective handrails.

[0003]

In the above-described balconi, the lower end of the frame 10 is joined to the beam 50 to support the frame 10 on the beam 50. In order to have a structure that can be stably supported, it is necessary to have a structure in which the lower end of the frame 10 is joined to the beam 50 with considerable strength.

The present invention has been made in view of the above points, and an object of the present invention is to provide a support structure for a handrail frame that can be attached with sufficient strength by a simple structure.

[0005]

In order to achieve the above object, a supporting structure for a handrail frame according to the present invention is a structure for supporting a handrail frame on a horizontal member supporting a building balcony. Is attached to the horizontal member so that its lower end is lower than the horizontal member, and a hook is erected between the lower part of the handrail frame and the horizontal member or the frame of the building body. It is characterized by the following.

In the present invention, the horizontal members supporting the balcony include beams, small beams erected between the beams, and members such as cross-pieces joined to the ends or sides of the beams. In the members, a part disposed inside the outer wall surface of the building is also included.

[0007] Also, a pillar of the building,
Members such as a girder, a beam, and a frame disposed along the inner surface of the wall are included.

[0008]

FIG. 1 is a top view showing an embodiment of a support structure for a handrail frame according to the present invention, and FIG. 2 is a sectional view taken along the line BB of FIG. In FIGS. 1 and 2,
A beam 51 is joined to the tip of the beam 5 along the length direction of the beam 5, and a floor beam 5 is provided on the side surface of the tip of the beam 5 perpendicular to the beam 5.
2 are joined, and the horizontal member is used to support the balcony. The handrail frame 1 has its lower end located below the arm 51 and the arm 5
1 and a brace 7 is provided between the lower part of the handrail frame 1 and the floor beam 52.

As shown in FIGS. 3 and 4, the handrail frame 1 has a structure in which a vertical bar 12 and a horizontal bar 13 are installed inside an outer frame 11 (FIG. 3 is a rear view of the handrail frame 1; FIG. 4 is a diagram showing a cross section taken along the line AA of the handrail frame 1 in FIG. 3 and a mounting structure thereof.)

The outer frame 11 is formed by assembling an upper end member 11T, a lower end member 11B, a left end member 11L, and a right end member 11R made of lightweight lip channel steel into a rectangular shape.
Between 1T and the lower end member 11B, a vertical rail 12 formed by combining lightweight lip channel steel is provided. Vertical bar 12
Is provided at a portion that comes into contact with the arm 51.

The size of the outer frame 11, the arrangement position of the vertical rails 12, and the like are determined by the size of the balcony, the arrangement of the beams and crosspieces, and the arrangement position of the handrail frame 1 (for example, a straight line portion, an outside corner portion, an inside corner portion). Etc.) are determined as appropriate.

The cross rail 13 is made of a slightly wide channel steel,
The outer frame 11 is horizontally installed between the left and right end members 11L and 11R of the outer frame 11 and the vertical rail 12 so that the grooves are directed to the back side. The horizontal rail 13 is disposed below the handrail frame 1 (at a height position with a slight gap between the handrail frame 1 and the lower end member 11B of the outer frame 11). As shown in FIG. 4, the lower end of the horizontal bar 13 is placed on a support piece 511S provided at the tip of the arm 51.

In addition to the channel steel, the lip channel steel similar to the outer frame 11 and the vertical bar 12 and any other steel material may be used as the horizontal rail 13. Furthermore, the cross bar 13 may be provided at least at a portion corresponding to the support piece 511S of the arm 51.

In the horizontal rail 13, mounting pieces 14 are provided along the inside of the left and right end members 11 L and 11 R of the outer frame 11 and along both sides of the vertical rail 12. These mounting pieces 14 are made of short channel steel slightly narrower than the horizontal rail 13, and are fitted into the grooves of the horizontal rail 13 in a state where the grooves face the grooves of the horizontal rail 13. Are joined. As shown in FIG. 4, the exposed surfaces of the mounting pieces 14 are respectively joined to mounting surfaces 511 provided at the distal end of the arm 51.

As the mounting piece 14, the mounting surface 5 of the arm 51
11 is not limited to the above, and for example, one piece of a short angle iron may be joined to the lower surface or the upper surface of the horizontal rail 13 and the other piece of the angle iron Can be used as a mounting piece.

When the handrail frame 1 shown in FIG. 3 is mounted, first, the lower end of the cross rail 13 is placed on the support piece 511S of the arm 51, and then the mounting piece 14 is attached to the mounting surface 511 of the arm 51 in this state. What is necessary is just to join. According to this method, the handrail frame 1 can be held at the mounting position by the support pieces 511S during the joining operation of the mounting pieces 14, and the positioning of the handrail frame 1 is also easy. . Therefore, the work of attaching the handrail frame 1 can be easily performed.

As described above, the lower end of the horizontal rail 13 is
By placing the mounting piece 14 on the mounting surface 511 of the arm 51 while placing the mounting piece 14 on the supporting piece 511S, the handrail frame 1 can be supported at the lower end and the back surface of the horizontal rail 13, and therefore, The handrail frame 1 can be supported with a simple structure and with sufficient strength.

In the example shown here, the handrail frame 1 is attached to the arm 51. However, other than such a configuration, for example, the same as the attachment surface 511 of the arm 51 on the tip or side surface of the beam. It is also possible to provide a mounting surface so that the handrail frame 1 can be directly joined to the beam.

The handrail frame 1 has the horizontal bar 13 above the lower end as described above, and is attached to the tip of the arm 51 at the position of the horizontal bar 13. Thereby, as shown in FIG. 2, the lower end of the handrail frame 1 is located below the arm 51.

As shown in FIG. 5, a mounting arm 511 is provided at the tip of the bark brace 51, and the mounting surface 511 is provided.
Is provided with a support piece 511S.

The arm 51 is made of an H-shaped steel, and has a mounting surface 511 at the tip end thereof, which is perpendicular to the longitudinal direction of the H-shaped steel. The mounting surface 511 is made of a square steel plate having a width in the height direction and a width slightly larger than the width and the height direction of the end surface of the H-section steel, and is welded to the end surface of the H-section steel. It is joined by. On the mounting surface 511,
The back surface of the handrail frame 1 is joined.

The support pieces 511S are formed as rectangular small pieces, and project horizontally outward (outward of the balcony) from both ends of the lower edge of the mounting surface 511. The handrail frame 1 is placed on the support piece 511S. The support piece 511S is formed in advance integrally with the mounting surface 511.
11 may be joined by welding. The shape and size are not particularly limited as long as the handrail frame 1 can be placed thereon.

The other end of the arm 51 is provided with an end plate 512A. End plate 512
A is a square steel plate having a width in the height direction and a width equal to the width in the height direction and the width in the height direction of the H-shaped steel of the crosspiece 51. Joined by welding.

As shown in FIG. 5, the end plate 512A has the arm 51 attached to the front end of the beam (structural body) 5.
It is provided when joining along the length direction of the beam 5.
When the arm 51 is joined to the side surface of the beam 5, as shown in FIG. 6, an end plate 512B is provided so as to protrude from the end face of the H-shaped steel of the arm 51. The end plate 512B has a width in the height direction slightly smaller than the interval between the upper and lower horizontal flanges 5T and 5B of the beam 5 made of an H-shaped steel, and a vertical piece protruding from the center thereof has a brace 5.
1 and are joined by welding. The upper end edge and the lower end edge of the end plate 512B are each warped inward (toward the mounting surface 511). When joining the arm 51 to the side surface of the beam 5, the end plate 512B is connected to the upper and lower horizontal flanges 5T of the beam 5,
5B is overlapped and joined to the vertical surface 5P of the beam 5 so as to be inserted between 5B.

As described above, the back surface of the handrail frame 1 is joined to the mounting surface 511 of the arm 51,
With the configuration in which the handrail frame 1 is placed on the 11S, the handrail frame 1 can be supported on two surfaces. Therefore, the handrail frame 1 can be attached with sufficient strength by a simple structure.

As in the above example, the back surface of the horizontal rail 13 of the handrail frame 1 is joined to the mounting surface 511 of the arm bar 51, and the horizontal rail 13 of the handrail frame 1 is placed on the support piece 511S. However, for example, as shown in FIG.
The back surface of the lower end portion of the handrail frame 100 is joined to the mounting surface 511 of the crosspiece 51, and the handrail frame 10 is attached to the support piece 511S.
0 may be placed on the lower edge.

As shown in FIG. 8, the cane 7 has a configuration in which a horizontal piece 71 is fixed to the upper end of a lip channel steel whose ribs are inclined sideways. The horizontal piece 71 is formed of a rectangular steel plate, and a hanging piece 711 is joined to a lower surface near one end by welding.
1 is superposed on the side surface (the surface opposite to the rib forming side) of the lip channel steel and joined by welding. Horizontal piece 71
1 and 2 is overlapped on the lower surface of the floor beam 52 and fastened by bolts, as shown in FIGS.

The lower end of the brace 7 is attached to the lower part of the handrail frame 1 via a fastener 72 as shown in FIGS. As shown in FIG. 8, the fastener 72 is made of angle steel, and one end thereof is overlapped on the side surface near the lower end of the stick 7 (the surface opposite to the side on which the ribs are formed) and fastened by bolts. The other piece of fastener 72 is shown in FIGS.
As shown in the figure, the lower end member 1 of the outer frame 11 of the handrail frame 1
1B is superimposed on the upper surface and fastened by sliding bolts 73. The sliding bolt 73 is provided with a screw rod 73 on a plate 73a.
b is fixed, and as shown in FIG.
3a is inserted into the lower end member 11B made of lip channel steel, and a screw rod 73b protruding from between the ribs on the upper surface of the lower end member 11B is inserted into the fastener 72. Since the sliding bolt 73 can slide along the length direction of the lower end member 11B, the mounting position of the lower end of the stick 7 can be adjusted thereby.

As described above, the lower part of the handrail frame 1 is made of diagonal material by installing the brace 7 between the lower part of the handrail frame 1 and the floor beam (the frame of the building body) 52. It is supported by the brace 7. Therefore, the mounting strength of the handrail frame 1 can be further improved.

In addition to the lip channel steel, any steel material such as a channel steel or an angle iron can be used for the cane 7, and the mounting structure is not limited to the above. . Further, the upper end of the brace 7 may be attached to a horizontal member supporting the balcony such as the arm bar 51 in addition to the frame of the building body such as the floor beam 52.

In the embodiment shown here, the arms 51 shown in FIGS. 1, 2, 5 and 6 are arranged on a straight portion (a portion other than a corner portion) of a balcony (hereinafter, referred to as a barconi).
Such a crosspiece is called a crosspiece for a straight part). On the other hand, the arm bar arranged at the corner of the balcony (hereinafter referred to as the corner arm bar)
As an example, there is a corner arm 51C as shown in FIG. Except for the configuration of the tip, the corner arm 51C shown in the figure is the same as the straight part arm, and therefore the description thereof is omitted.

A mounting surface 511L is provided at the tip of the corner arm 51C. The mounting surface portion 511L includes a first steel plate P1 welded to a tip of an H-shaped steel constituting the corner arm crosspiece 51C so as to be orthogonal to the longitudinal direction of the H-shaped steel, and the first steel plate P1 and the first steel plate P1. And a second steel plate P2 joined by welding so as to be further perpendicular to the outer surface of the steel plate P1 (the surface facing the outside of the balcony) (that is, along the length direction of the H-section steel). It is composed of The first steel plate P1 has a rectangular shape that covers the distal end surface of the H-shaped steel and extends to the left thereof,
The second steel plate P2 extends outward (outward of the barconi) in an upright state from a position substantially corresponding to the center of the distal end surface of the H-shaped steel on the outer surface of the first steel plate P1. I have. Two intersecting surfaces 511a and 511b where the back surface of the handrail frame 1 is joined to the outer surface on the left side (extending side) of the first steel plate P1 and the left side surface of the second steel plate P2. Are formed.

The mounting surface portion 511L is used, for example, when the handrail frame 1 is disposed so as to extend leftward and outward with respect to the corner arm 51C as shown in the plan view of FIG. . On the other hand, for example, as shown in the plan view of FIG. 12, when the handrail frame 1 is disposed so as to extend rightward and outward with respect to the corner arm 51C, as shown in FIG. The mounting surface 511 configured symmetrically to the mounting surface 511L shown in FIG.
R is provided.

The support piece 511S is projected horizontally (outward of the balcony) outward from the lower end edge of the extension side end of the first steel plate P1 on the mounting surface 511L shown in FIG. At the same time, the second steel plate P2 is horizontally protruded leftward from the lower edge of the outer end of the second steel plate P2 (toward the extending side of the first steel plate P1). The configuration of the support piece 511S is the same as the case of the above-described straight part brace.

When the handrail frame 1 is mounted on a corner of a balcony, as shown in FIG. 10, the back surface of one end of the handrail frame 1 intersects with the mounting surface 511L of the corner arm 51C. It is to be bonded to one of the two surfaces 511a and 511b. In the straight part of the barconi, the back surface of the handrail frame 1 is joined to the mounting surface 511 of the straight part arm 51 as described above.

In the corner arm 51C, the handrail frame 1 is attached to the mounting surface 5 as in the case of the straight arm.
11a and 511b and the support piece 511S can support the two places. Therefore, the handrail frame 1 can be attached with sufficient strength by a simple structure.

Further, in addition to the above, the handrail frame 1 is joined to the two mounting surfaces 511a and 511b where the corner arms 51C intersect, thereby simplifying the mounting structure of the handrail frame 1 at the corner of the balcony. It can be.

[0038]

As described above, according to the handrail frame support structure of the present invention, the handrail frame is attached to the horizontal member such that its lower end is lower than the horizontal member such as a brace. Since the brace is erected between the lower part of the frame and the horizontal member or the frame of the building main body, the lower part of the handrail frame can be supported by the brace as a diagonal member. Therefore, the handrail frame can be attached with sufficient strength by a simple structure.

[Brief description of the drawings]

FIG. 1 is a top view showing a support structure for a handrail frame according to an embodiment.

FIG. 2 is a sectional view taken along the line BB of FIG. 1;

FIG. 3 is a rear view showing an example of a handrail frame.

FIG. 4 is a diagram showing a cross section taken along the line AA of the handrail frame of FIG. 3 and a mounting structure thereof.

FIG. 5 is a perspective view showing an example of a crosspiece for a straight part.

FIG. 6 is a perspective view showing another example of a straight part brace.

FIG. 7 is a side view showing an example of a mounting structure of a handrail frame.

FIG. 8 is a perspective view showing the brace of FIGS. 1 and 2 and its mounting structure.

FIG. 9 is a perspective view showing an example of a crosspiece for a corner.

FIG. 10 is a plan view showing a state in which corner corner arms of FIG. 9 are provided.

FIG. 11 is a perspective view showing another example of a corner crosspiece.

FIG. 12 is a plan view showing a state in which corner corner arms of FIG. 11 are provided.

FIG. 13 is a partially cutaway perspective view showing an example of a conventional balcony.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Handrail frame 51 Arm bar (horizontal material) 52 Floor beam (frame set of building main body) 7 Way stick

Claims (1)

[Claims] 1. A structure for supporting a handrail frame on a horizontal member supporting a building balcony, wherein the handrail frame is attached to the horizontal member such that a lower end thereof is lower than the horizontal member. A support structure for a handrail frame, wherein a brace is erected between a lower part of the handrail frame and the horizontal member or the frame of the building body.