JPH10115065A - Erecting device for handrail support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To erect a handrail support vertically to the same height on a concrete building frame which is longitudinally wavily inclined. SOLUTION: In an erecting device for a handrail support, a handrail support 3 is covered on a support bracket 10 fixed to a concrete building frame 1, and made rotatedly inclinable by the outside curved sliding contact part 14 of a pair of fitted walls 13 of the support bracket 10, and fastenedly fixed with a through bolt 31 and a nut 33. In this case, since a slot 15 is provided in the fitted wall 13, the handrail support 3 can be vertically fixed in a rotatedly inclined state, and since a slot 4 is provided in the handrail support 3, the handrail support 3 can be adjusted in its height and fixed, and even in the case of a wavily inclined concrete building frame 1, the handrail support can be erected vertically to the same height.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for erecting a handrail support used for installing a handrail on a concrete building such as a newly constructed or existing veranda, corridor, rooftop parapet, or the like.

[0002]

2. Description of the Related Art To install a handrail of this type, the lower end of a handrail support is directly embedded in and fixed to a concrete frame, or a column bracket for direct mounting is used, and this is mounted and fixed on the concrete frame. The lower end of the handrail post is inserted into the handrail post insertion portion of the bracket, and the handrail post is fixed to the post bracket by fixing means such as bolts, nuts, and screws.

[0003]

However, when the lower end of the handrail support is embedded and fixed in the concrete frame,
Due to the difference in the coefficient of thermal expansion between the concrete and the handrail support material aluminum, there is a problem that the handrail support and the handrail are deformed, and the contact between the concrete and the aluminum causes alkali corrosion of the handrail support. In addition, when the above-mentioned support bracket is used, such a problem can be solved, but on the other hand, there is a problem that a handrail cannot often be installed depending on the state of the concrete frame.

That is, when installing a handrail using a support bracket, it is essential that the handrail support be vertically and at the same height. However, in general, a concrete body is formed by casting concrete on site and hardening it. In the case of a site construction, the inclination is often different when the corrugation is made in the longitudinal direction, or when it is inclined in the cross direction. In particular, in pre-built buildings that need to be reinforced, the beams of the beams hang under structural loads over many months, which often promotes the undulation of the concrete structure.

[0005] Therefore, when a support bracket is installed at a predetermined interval in the longitudinal direction of the concrete body in such a state, the support bracket is oriented in various directions according to the unevenness and inclination of the concrete body, and the vertical handrail is provided. An angle shift occurs with respect to the column, and the installation height varies depending on the height of the concrete frame surface. A height shift occurs with respect to the handrail column of the same length, and eventually the insertion or fixing of the handrail column Therefore, it is impossible to set up the handrail support and to install the handrail.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to cope with the inclination of a concrete skeleton while using a support bracket and to make the height of the concrete skeleton different. It is an object of the present invention to provide an apparatus for erecting a handrail support that can cope with the above.

[0007]

According to the present invention, there is provided a bottom substrate having a long hole for a fixing metal, and opposed opposed integral members formed at both ends in the longitudinal direction of the concrete frame of the bottom substrate. A concrete having a curved upright arm and curved outer wall surfaces of the curved upright arm each serving as a curved sliding contact portion which is vertically curved outward in the longitudinal direction of the concrete frame.
The inner wall surface of the opposing opposing wall is slid on the curved sliding contact portion by fitting the opposing integral upright arm of the post bracket to the column bracket for fixing the skeleton, and the inner wall of the opposing wall is brought into contact with the curved bracket. A handrail support that is rotatable and tiltable, and a height adjustment fixing means for vertically fixing the handrail support to a support bracket. This is a gist of the present invention and is a means for solving the above-mentioned problem. A second aspect of the present invention is to provide the support bracket with a handrail support lower end covering the lower end of the handrail support to be bent upward and integrated with or separately from the support bracket. 2. A handrail support erection device according to claim 1, wherein a lower end cover of the body is additionally provided. Was According to a third aspect of the present invention, an integral or separate lower end cover is additionally provided on the support bracket for covering the lower end of the handrail support that projects outwardly of the lower end of the handrail support and is bent upward. The present invention relates to a handrail support erection device according to claim 1 and as a gist of the invention, as a means for solving the above problems.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings showing the embodiments. In FIGS. 1 to 5, reference numeral 1 denotes a handrail installation object which stands up to a predetermined height so as to form a handrail base from a slab. Reference numeral 3 denotes a concrete skeleton, reference numeral 3 denotes a handrail support made of an aluminum handrail, and reference numeral 10 denotes a support bracket on which a handrail support is erected on the upper surface of the concrete skeleton 1.

In this embodiment, the handrail support 3 is a rectangular or rectangular prism formed of aluminum extruded material and disposed at both longitudinal ends or at predetermined intervals in the longitudinal direction of various handrails such as a pipe handrail and a grid-assembled handrail (not shown). It is hollow, and a pair of opposing walls below it is provided with a through hole 4 which is a vertically elongated hole.

The column bracket 10 is for fixing the concrete frame 1 having curved sliding contact portions 14 arranged on the outer wall surfaces of the opposing integral curved upstanding arms 13 so as to bend vertically.

That is, in this embodiment, the support bracket 10 has a horizontal flat surface so that the lower surface thereof is in contact with the upper surface of the concrete skeleton 1 and has a long hole in the center in the cross direction of the concrete skeleton 1. And a pair of opposing curved upright arms 13 protrudingly provided at both ends of the bottom substrate 11 in the longitudinal direction of the concrete frame 1. The curved outer wall surfaces of the curved arm 13 are formed as curved sliding contact portions 14 which are curved in the vertical bulging surface toward the outside in the longitudinal direction of the concrete skeleton 1 at this time. Each of the contact portions 14 is provided with a bolt hole 15 which is elongated in the vertical direction. 12 and the bolt hole 15 in the post-processing the symmetrical shape is as aluminum extrusions made thick piece.

At this time, the maximum swelling dimension of the curved upright arm 13 of the support bracket 10, that is, the curved sliding contact portion 14.
The outer dimension of the maximum curved portion is set in accordance with the inner dimension of a pair of opposed walls through which the elongated hole 4 of the handrail support 3 is extended. Between the opposing curved standing arms 13, one is positioned in the upper direction and the other is positioned in the lower position so as to be displaced in the vertical direction.

The support bracket 10 constructed as described above.
Is mounted and fixed on the upper surface of the concrete frame 1, and the handrail support 3 is erected.

The support bracket 10 is placed and fixed by placing the support bracket 10 at predetermined regular intervals in accordance with the position of the handrail support 3 in the longitudinal direction of the concrete skeleton 1.
2 Adjust the position of the concrete frame 1 in the cross direction,
The fixing is performed by driving a fixing fitting 30 such as a hole-in anchor into the perforation 2 formed in the concrete skeleton 1 through the long hole 12 and fixing it.

When the handrail support 3 is erected through the support bracket 10, the handrail support 3 is fitted to the support bracket 10,
The opposing inner wall surface of the handrail support 3, that is, the inner wall surface of the opposing opposing wall is slidably contacted with the curved sliding contact portion 14 of the support bracket 10, and the handrail support 3 is rotatable and tiltable with respect to the support bracket 10. At the same time, the height is adjusted within the range of the through hole 4 which is elongated in the vertical direction of the handrail support 3, and the handrail support 3 is fixed to the support bracket 10 by fixing means, and between the concrete frame 1 and the handrail support 3. The handrail support 3 is made to be vertical and the same height as the other handrail support by being closed and sealed by a sealing agent 35 in a gap which may be generated in the above.

At this time, the fixing means includes a through hole 4 formed by an elongated hole of the handrail support 3, a bolt hole 15 of the support bracket 10, and a penetrating bolt 31 penetrating therethrough and tightening the outer side of the opposing wall of the handrail support 3. The fixing means is a fixing means for height adjustment for fixing the handrail support 3 up and down by the through hole 4 of the handrail support 3.

Accordingly, in the handrail support erection device having the above-described configuration, when the concrete frame 1 is horizontal, the support bracket 10 is fixed horizontally as shown in FIG. 3, and the handrail support 3 is raised as required. By performing the adjustment, the concrete skeleton 1 is erected vertically, and when the concrete skeleton 1 is inclined downward to the right in the figure, the support bracket 10 is moved along the inclination of the concrete skeleton 1 as shown in FIG. The handrail support 3 is fixed to the support bracket 10 by tilting.
By rotating and tilting with respect to, and adjusting the height as needed, the same vertical stand is provided.
On the other hand, when the concrete frame 1 is inclined to the upper right in the drawing, the column bracket 10 is displaced up and down between the opposed integral rising arms 13.
5, the direction of the tilting of the handrail support 3 is limited to one direction, and the arrangement in the case of the right-downward inclination cannot cope with this upper-right inclination. Is fixed to the concrete skeleton 1 in a state where it is turned 180 ° in the horizontal direction.
Has a symmetrical shape, and the position of the above-mentioned offset bolt hole 15 is reversed, so that it is possible to cope with the case of tilting to the upper right as in the case of tilting to the right, and the handrail support 3 is vertically aligned. It is erected high. Therefore, when the concrete frame 1 is inclined, the bolt holes 15 of the column bracket 10 are selectively arranged in accordance with the inclination.
0 may be set and fixed.

As described above, the handrail supporting device according to the present embodiment is
Due to the fact that the concrete skeleton 1 was constructed on site,
Alternatively, even in the case where wavy waves are present in the longitudinal direction due to structural loads over many years, the handrail posts 3 can be erected vertically and at the same height, and the handrails can be easily and reliably installed.

FIGS. 6 to 9 show an example in which a separate lower end cover 16 is additionally provided on the column bracket 10 to cover the lower end of the handrail column 3 with respect to the above example. The cover 16 is used to cover the lower end of the handrail support that projects outward from the lower end of the support rail 10 and is bent upward. In this example, the lower cover 16 mounts the bottom substrate 11 of the support bracket 10. At the same time, a rectangular or rectangular substrate 17 which protrudes slightly outward from the handrail support 3 in accordance with the shape of the handrail support 3 and a truncated low pyramid bent upward and inwardly from the periphery of the substrate 17 are formed. And an inclined peripheral wall 19 whose upper end is opened according to the external dimensions of the handrail support 3 and is integrally formed by metal casting using an aluminum casting or the like or injection molding of a synthetic resin.

When the lower end cover 16 of this embodiment is used,
The handrail support 3 is erected in the same manner as described above, except that the lower end cover 16 is interposed between the upper surface of the concrete frame 1 and the support bracket 10 and the support bracket 10 is fixed by a fixing bracket 30 such as a hole-in anchor. In this case, the lower end cover 16 closes a gap that may be formed between the concrete frame 1 and the lower end of the handrail support 3 by the inclined peripheral wall 19 abutting or approaching the handrail support 3 in a holding state. This eliminates the need for the treatment of the sealing agent 35 and makes it possible to provide a handrail support upright device having an extremely good appearance. In the figure, reference numeral 18 denotes a through hole for a fixing bracket 30, such as a hole-in anchor, which is formed as an elongated hole so that the position of the lower end cover 16 in the longitudinal direction of the concrete frame 1 can be adjusted.

FIGS. 10 and 11 show an example in which a turning member 20 is additionally provided between the support bracket 10 and the handrail support 3 in the above example. The curved sliding contact portion 14 is rotatably slidably fitted, fitted between the inner walls of the opposing walls of the handrail support 3, and fixed up and down so as to be movable up and down. In the present embodiment, the turning member 20 and the handrail support 3 are fixed so as to be freely adjustable in height. In this embodiment, the turning member 20 is provided on the inner wall surface of the opposing opposing wall of the handrail support 3. A pair of opposed base walls 21, which are in sliding contact with each other and tapered downward, are provided with a curved bridge 23 curved upwardly between the opposed base walls, and a lower end side of the curved bridge 23 is opened at the lower end to expand. Open bracket receiving portion 24
And a semi-circular slidable contact portion 25 above the bracket receiving portion 24, and a slidable contact portion 2 of the opposing base wall 21.
The five holes have circular through holes 22 that are shaped to match the bolt diameter.
The bent bridge 23 is made of an extruded aluminum material similar to the column bracket 10 having the wide opening 26 penetrated therethrough.

When the rotating member 20 of this embodiment is used, the column bracket 10 is formed so as to make the interval between the pair of curved upright arms 13 narrower than that of the above-described example. The sliding member is fitted to the curved sliding contact portion 14 so as to be rotatable and slidable, and these three members are fixed by the through bolt 31 and the cap nut 33 together with the handrail support 3 to which the rotating member 20 is fitted. I just need. At this time, in the apparatus for erecting the handrail support of this example, the fixing means is, in addition to the above, provided with the opposed base wall 21.
As described above, the handrail support 3 can be adjusted to the required height in the same manner as described above, and the handrail support 3 is also set up vertically at the same height.

FIG. 12 shows another example of the column bracket 10 and another example of the fixing means. In this example, the column bracket 10 is provided with the opposed curved upright arm 1.
3 are connected by a connecting wall 27 to form a box having an upper opening, and the lower end cover 16 is formed by projecting the bottom substrate 11 of the support bracket 10 outwardly from the lower end of the handrail support 3 and bending upward to bend upward. For example, it is a metal casting integrated with an aluminum casting.

Further, in this embodiment, the fixing means is replaced with the handrail post 3 instead of the elongated hole in the handrail post 3 of the above embodiment.
In this example, a pair of short bolts 32 and cap nuts 33 are used in place of the through bolts and cap nuts, using a slit-shaped screw groove 5 facing upward and opening the lower end of the pipe. A short bolt 32 is set outwardly from the inside of the bolt hole 15 of the support bracket 10, and the short bolt 32 is passed through the screw groove 5, and the support bracket 10 is fitted with the handrail support 3. After the necessary height adjustment is performed together with the handrail support 3 being vertical, the handrail support 3
Each of the cap nuts 33 is fastened to the outside of the opposite wall to be fixed so that the height can be adjusted. According to this embodiment, the handrail posts 3 are also set up vertically.

FIG. 13 shows still another example of the fixing means. In this example, the fixing means comprises a thicker curved upright arm 13 of the column bracket 10 and a handrail column 3. A screw 34 is screwed into the opposing wall and the outside of the opposing wall of the handrail support 3 in a threaded manner to fix them integrally. In this example, the handrail support is also used. 3 is fitted with the facing upright arm 13 of the support bracket 10, the handrail support 3 is made vertical, the required height is adjusted, and the screw 34 is screwed into the handrail support 3 in the same manner. Are set up vertically at the same height, so that the fixing means is also adjustable in height.

Since the remainder of FIGS. 6 to 13 is the same as the above example, the same reference numerals are assigned to them, and the duplicate description will be omitted.

Although the illustrated example is as described above, the curved sliding contact portion is a curved outer wall surface with fine horizontal ribs. When a rotating member is used, the sliding contact portion of the rotating member is used. In the same manner, it is possible to obtain a finely adjustable fitting engagement with each other. When the lower end cover is provided on the column bracket, the lower end cover is used for two surfaces parallel to the opposing wall, and is integrally formed with the column bracket. For example, it is made of an extruded aluminum material. At this time, if necessary, a separate lower end cover for the other two surfaces is separately used. In the practice of the present invention, including the use of a C-shaped peripheral wall or a two-sided wall, etc., the present invention may be used as required, such as a support bracket, a fitting wall, a curved sliding contact portion, a handrail support, fixing means, and as required. Specific materials for lower end cover and rotating member , Shape, structure, size, number,
These relationships, additions to them, and the like can be variously modified without departing from the gist of each of the inventions described above, and need not be limited to those specifically described above.

[0028]

Since the present invention is constructed as described above, the first aspect of the present invention corresponds to the inclination of the concrete skeleton and the difference in the height of the concrete skeleton surface. It is possible to obtain a handrail support upright device that can reliably absorb the inclination, can vertically install the handrail support, can adjust the height of the handrail support, and can vertically install the handrail support at the same height.

According to a second aspect of the present invention, in addition to the above, it is possible to prevent the lower end of the handrail support from being exposed and to provide a handrail support standing device having a good appearance.

According to a third aspect of the present invention, there can be provided a handrail support erecting device capable of vertically erecting the handrail support similarly to the first and second aspects.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a handrail support standing device.

FIG. 2 is a cross-sectional view showing a standing state of a handrail support.

FIG. 3 is a vertical sectional view showing a standing state of a handrail support.

FIG. 4 is a vertical cross-sectional view showing an upright state of a handrail support with respect to an inclined concrete body.

FIG. 5 is a longitudinal sectional view showing a standing state of a handrail support with respect to an inclined concrete body.

FIG. 6 is an exploded perspective view showing another example of the handrail support upright device.

FIG. 7 is a cross-sectional view showing a standing state of a handrail support.

FIG. 8 is a longitudinal sectional view showing a standing state of a handrail support.

FIG. 9 is a vertical cross-sectional view showing a standing state of a handrail support with respect to an inclined concrete body.

FIG. 10 is an exploded perspective view showing another example of the handrail support upright device.

FIG. 11 is a longitudinal sectional view showing a standing state of a handrail support with respect to an inclined concrete skeleton.

FIG. 12 is an exploded perspective view showing another example of the handrail support upright device.

FIG. 13 is a longitudinal sectional view showing another example of the fixing means.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete skeleton 3 Handrail support 10 Support bracket 13 Curved rising arm 14 Curved sliding contact part 16 Lower end cover 20 Rotating member 25 Fitted sliding contact part 30 Fixture 31 Through bolt 32 Short bolt 33 Nut 34 Screw

Claims (3)

[Claims] 1. A bottom substrate having an elongated hole for a fixing bracket, and opposed opposed curved rising arms provided on both ends of the bottom substrate in the longitudinal direction of a concrete frame. A support bracket for fixing a concrete frame, wherein the curved outer wall surfaces of the standing arm each have a curved sliding contact portion which curves in the vertical direction toward the outside in the longitudinal direction of the concrete frame;
An inner wall of the opposing opposing wall is slidably contacted with the curved sliding contact portion by fitting the opposing integral curved upright arm of the column bracket so as to be rotatable and tiltable with respect to the column bracket. A handrail support standing device comprising a handrail support and a height adjusting fixing means for vertically fixing the handrail support to a support bracket. 2. The support bracket according to claim 1, wherein said support bracket is provided with an integral or separate lower end cover for covering the lower end of the handrail support which projects outwardly from the lower end of the handrail support and is bent upward. The handrail support upright device according to claim 1 or 2, wherein: 3. A rotating member which fits between the support bracket and the handrail support so that the curved sliding contact portion of the support bracket is rotatable and slidable, and fits between the inner walls of the opposing walls of the handrail support. 3. The handrail according to claim 1, further comprising: a pivoting member and a handrail support fixed to the support bracket by height adjusting fixing means for vertically fixing the handrail. Prop standing device.