JP2003166339A - Attaching device for handrail - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an attaching device for a handrail capable of coupling a handrail support side bracket to a building frame without interfering therewith even when a fixture coupling upper and lower vertical materials exists. <P>SOLUTION: The attaching device of the handrail for attaching a handrail support 14 through a bracket B at a position where ends of a vertical material 1 and a horizontal member 2 are coupled comprises a horizontal support plate 5 for coupling a basic end to the handrail support by the bracket, and a pair of engaging pieces 6 mutually erecting while having an arbitrary interval L on the outer end of the support plate. The support plate forms a holding groove 7 released outward and a long groove communicating with the holding groove. Each engaging piece has a vertical piece 6a and a horizontal piece bent from the vertical piece to the holding groove side, and support faces 9 and 10 curved to the lower part of each vertical piece and the end of the horizontal piece respectively are formed. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail attachment device which is attached to a frame scaffold used at a construction site or a civil engineering site.

[0002]

2. Description of the Related Art Generally, at a construction site or a civil engineering site, a frame scaffold is installed, and this frame scaffold is installed so that a person can walk on the frame scaffold or perform various works.

The frame scaffold comprises a pair of front and rear vertical members, and a horizontal frame installed between the vertical building members, and a plurality of the horizontal frames are arranged in a row in the lateral direction. Scaffolding boards are provided between the horizontal members. It is installed, and an X-shaped press and horizontal handrails are installed side by side between the building materials that are adjacent in the horizontal direction to ensure the safety of walking and various work on the scaffolding board.

On the other hand, in the frame scaffold, the building frame is also erected in the vertical direction in the vertical direction. In this case, the upper building frame is inserted into the lower pre-assembled building frame to stand up, and then the brace and the handrail are assembled to the upper building frame. However, when assembling the upper building frame, or assembling the brace or handrail, there are no handrails or the like for safety around the uppermost scaffolding plate, which makes walking and various operations extremely dangerous.

Therefore, recently, while being supported in advance by a master rope connected to a master rope support corresponding to the uppermost scaffolding board,
Workers are assembling the upper frame and installing bracelets and other handrails on the frame.

However, when assembling the upper building frame to the lower building frame as described above, the vertical member of the upper building frame is inserted into the vertical member of the lower building frame via the spacer, and A bendable pin-shaped stopper provided on the upper portion of the vertical member is fitted between the upper and lower vertical members and the spacer to prevent the upper and lower vertical members from coming off. Alternatively, the upper and lower vertical members and the spacers are connected to each other through a stopper provided with a handle as in the above.

[0007]

However, when the vertical members in the upper and lower building frames are joined vertically as described above,
Pin-shaped stoppers, handle-type stoppers are used, or the stoppers are different depending on the product of each manufacturer, so the above stoppers interfere when the bracket on the handrail support side is connected to the building frame. In some cases, the bracket cannot be attached.

[0008] Therefore, an object of the present invention is to provide a handrail attachment device which can join the brackets on the handrail post side to the building frame without interfering with the stoppers for joining the upper and lower vertical members. is there.

[0009]

In order to achieve the above object, one means of the present invention is to attach a handrail support via a bracket to a position where an end of a horizontal member is joined to a vertical member. In the device, the bracket is composed of a horizontal support plate whose base end is connected to a handrail support, and a pair of locking pieces which stand upright opposite to each other with an arbitrary interval at the outer end of the support plate. The plate has a holding groove that opens outward and a long groove that communicates with the holding groove.The locking pieces include vertical pieces and horizontal pieces bent from the vertical pieces to the holding groove side. And a curved supporting surface is formed on the lower portion of each vertical piece and the end portion of the horizontal piece, respectively.

In this case, it is preferable that a reinforcing plate is erected on the outer periphery of the supporting plate, and this reinforcing plate is connected to the vertical piece of the locking piece.

Similarly, another means is a handrail mounting device for mounting a handrail support via a bracket at a position where an end of a horizontal member is connected to a vertical member, wherein the bracket connects the base end to the handrail support. It consists of a horizontal support plate and a locking piece extending from the outer end of the support plate. A mounting hole is formed in the supporting plate, and the locking piece is integrally connected below the small diameter piece and the small diameter piece. A large diameter piece is provided, a rib protruding toward the mounting hole side is provided on the small diameter piece, and a curved locking groove is formed at a lower portion of the large diameter piece.

In this case, it is preferable that a reinforcing plate is vertically provided on the lower surface of the support plate.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

The present invention, as shown in FIGS. 3 and 6, the vertical member 1
A handrail 4 on a building frame 3 composed of a horizontal member 2 connected to a vertical member 1
It is a handrail mounting device for mounting. The handrail 4 may be attached to the top of the building frame 3 as a preceding handrail, or may be used as a fixed handrail after being attached to the building frame 4. More specifically, one embodiment of the handrail mounting device A is shown in FIG.
Is shown in.

This is a handrail attachment device for attaching the handrail support 4 to a position where the end of the horizontal member 2 is joined to the vertical member 1 via a bracket. As shown in FIGS. 1A, 1B, and 1C, the bracket 8 has a horizontal support plate 5 having a base end coupled to the handrail support 4, and an arbitrary distance L between the support plate 5 and the outer end thereof.
It is composed of a pair of locking pieces 6 and 6 which stand upright while facing each other. Further, the support plate 5 is formed with a curved holding groove 7 which is open to the outside and a rectangular long groove 8 which communicates with the holding groove 7. Each locking piece 6 is a vertical piece 6a,
It has a horizontal piece 6b bent from the vertical piece 6a to the holding groove 7 side, and curved support surfaces 9 and 10 are formed at the lower part of each vertical piece 6a and the end of the horizontal piece 6b.

The supporting plate 5 may be only a horizontal plate, but a reinforcing plate 11 is erected on the outer periphery of the supporting plate 5 and the reinforcing plate 11 is continuously connected to the vertical piece 6a of the locking piece 6 so that the entire bracket B is formed. Is preferably reinforced.

As shown in FIG. 2, the vertical member 1 has a rod-shaped spacer 18 attached to the upper end and a part thereof stands upright. The lower portion of the upper vertical member 1 is inserted into the spacer 18, and the upper vertical member 1 and the spacer 18 are connected by a spring-like bent pin-shaped stopper 19 which can be retracted.

The handrail 4 is composed of a pair of handrail struts 14, 14 and a pair of upper and lower parallel handrail frames 15, 15 which are detachably coupled between the handrail struts 14, 14, and the handrail stanchion 14 has the above brackets. A and a lower bracket C are provided. The handrail columns 14 and 14 are attached to the vertical member 1 and the horizontal member 2 via the above bracket B.
The lower part of 4 is connected to the vertical member 1 via a bracket C.

As shown in FIGS. 3 and 5, a retaining pin 16 having a triangular pyramidal stopper 16a at the tip is provided above the handrail support 14. Both ends of each handrail frame 15 have support pieces 15a that are flatly crushed.
A mounting hole 17 formed in a T shape is formed in 5a, and the mounting hole 17 is inserted into the retaining pin 16 so that the handrail frame 15
Is connected to the handrail support 14. When the handrail frame 15 is attached, the retaining pin 16 is first inserted in the center of the attachment hole 17, and then the handrail frame 15 is slid laterally. As a result, the pin 16 penetrates into the mounting hole 17 and the handrail frame 15 is locked by the stopper 16 of the pin 16 and cannot be pulled out.

The lower bracket C is composed of a plate-shaped bracket body 20 whose base end is connected to the handrail support 14, a guide 22 standing upright on the body 20, and a wedge 21 inserted into the guide 22. A hook piece 20a and a holding groove 23 are provided at an end portion of the main body. When the wedge 21 is driven while the holding groove 23 is fitted into the vertical member 1, the side surface of the wedge 21 and the holding groove 23 are formed.
The vertical member 1 is held by and the bracket C is connected to the vertical member 1 so that the lower portion of the handrail support 14 is connected to and supported by the vertical member 1.

When the handrail 4 is attached to the uppermost stage of the building frame 3, an operator performs it on the scaffolding plate below. In this case, first, the handrail support 14 is first coupled to the vertical member 1, but at this time, the holding groove 7 of the intermediate bracket B is inserted into the spacer 18 and the lower vertical member 1 from above, and then the locking piece 6 is inserted. The supporting surface 9 of the vertical piece 6a is engaged with the horizontal bridge member 2, and the supporting surface 10 of the horizontal piece 6b is also engaged with the outer surface of the vertical member 1. It should be noted here that, as shown in FIG. 1 (A), when the bracket B is inserted from above, the pin-shaped stopper 19 provided on the vertical member 1 on the lower side is the interval L between the locking pieces 6 and 6. The bracket B can be attached to the position where the vertical member 1 and the horizontal member 2 are joined by passing through the gap defined by the above and the long groove 8 of the support plate 5 and lowering the bracket B without interfering with the stopper 19.

Next, the lower bracket C is joined to the vertical member 1 while the handrail support 14 is supported by the bracket B, and the handrail support 14 is fixed with the upper and lower brackets B. Further, support frames 15 and 15 are connected between the pair of handrail support columns 1 and 14.

After the handrail 4 is connected to the lower building frame 3 in this way, the scaffolding board P is installed on the horizontal member 2 (FIG. 3), and then the handrail 4 is used for the safety of the operator and the upper building material 3 Perform assembly and breath assembly. The handrail 4 is used as a preceding handrail before the upper building material 3 is assembled, and is used as a fixed handrail to the upper building material 3 after the assembly.

6 to 8 show a handrail mounting device D according to another embodiment of the present invention. This handrail mounting device D
The handrail 4 utilizing is also used as the preceding handrail as in the above case, and is also used as a fixed handrail after assembly.

As with the embodiment of FIG. 3, the handrail mounting device is a handrail mounting device for mounting the handrail support post 14 through the bracket E at a position where the end of the horizontal member 2 is joined to the vertical member 1. .

As shown in FIGS. 6 (A), (B) and (C), the bracket B is a horizontal support plate 24 having its base end connected to the handrail support 14, and a bracket vertically extending from the outer end of the support plate 24. Stop 2
It consists of 5. A mounting hole 26 is formed in the support plate 24, and the locking piece 25 has a small-diameter piece 25a and a large-diameter piece 25b integrally connected below the small-diameter piece 25a, and the mounting hole is formed in the inner wall of the small-diameter piece 25a. A rib 27 protruding toward the 26 side is provided. Further, a curved locking groove 28 is formed in the lower portion of the large diameter piece 25b. Further, a reinforcing plate 29 is vertically provided on the lower surface of the support plate 24.

The vertical member 1 of the building frame 3 is slightly different from that shown in FIG. 2, and the vertical members 1 and 1 which are continuously arranged in the vertical direction are connected via a spacer 18 and are provided with a handle 30 (FIG. 8). It is connected via a stop 31 (FIG. 7).

When mounting the handrail 4, first, the bracket E and the handrail support 14 are lowered while inserting the mounting hole 26 of the support plate 24 of the bracket E into the vertical member 1, and the engagement groove 28 of the engagement piece 25 is formed. The rib 27 is brought into contact with the horizontal member 2, and the end surface of the rib 27 is brought into contact with the outer surface of the vertical member 1. Next, the handrail support 14 is connected to the vertical member 1 via the lower bracket C as described above.

After the handrail support 14 is assembled as described above, as shown in FIG. 8, the locking piece 25 is the small diameter piece 25 on the upper portion.
Since it has a, the handle 30 does not interfere with the bracket C even if the handle 30 is rotated when the vertical member 1 of the upper stage is assembled. Other structures, actions and effects are the same as those in FIGS. 2 and 3.

[0030]

The present invention has the following effects.

(1) According to the inventions of claims 1 and 2, since the holding groove and the long groove open outward are formed in the support plate of the bracket, when the bracket is inserted into the vertical member from above. Since the stopper connecting the upper and lower vertical members penetrates the holding groove and the long groove, the bracket can be mounted without interfering with the stopper, and therefore the handrail support pillar can be smoothly assembled.

(2) Similarly, according to the inventions of claims 3 and 4, since the locking piece in the bracket is provided with a small diameter piece above, the upper and lower vertical members are joined after the bracket is assembled to the vertical member. In this case, even if there is a stopper equipped with a handle, since this handle has a large space in the direction of rotation due to the small diameter piece, the handle does not interfere with the bracket and the vertical members can be smoothly joined.

[Brief description of drawings]

FIG. 1A is a plan view of a bracket in a handrail mounting device according to the present invention. (B) Similarly, it is a longitudinal sectional view. (C) It is also a side view.

FIG. 2 is a front view in which a handrail support is attached to a building frame.

FIG. 3 is a side view of a handrail.

FIG. 4 is a plan view of a lower bracket.

FIG. 5 is an enlarged plan view of an end portion of a handrail frame.

FIG. 6A is a plan view of a bracket of a handrail mounting device according to another embodiment. (B) Similarly, it is a longitudinal sectional view. (C) It is also a side view.

FIG. 7 is a front view in which a handrail support is attached to a building frame.

FIG. 8 is a side view of the handrail.

[Explanation of symbols]

1 vertical material 2 horizontal materials 5,24 support plate 6,25 locking piece 6a Vertical piece 6b Horizontal piece 8 long groove 9,10 Support surface 11 Reinforcement plate 14 handrail support 25a small diameter piece 25b large diameter piece 26 mounting holes 27 ribs A, B, C, D bracket L interval

Claims (4)

[Claims] 1. A handrail mounting device for mounting a handrail support via a bracket at a position where an end of a horizontal member is connected to a vertical member, wherein the bracket is a horizontal support plate in which a base end is connected to the handrail support. And a pair of locking pieces that stand upright at the outer end of the support plate while facing each other while keeping an arbitrary space therebetween. The holding plate communicates with the holding groove open to the outside on the support plate. A long groove is formed, each locking piece has a vertical piece, and a horizontal piece bent from the vertical piece to the holding groove side, and a curved support is provided at the bottom of each vertical piece and the end of the horizontal piece. Handrail mounting device that forms the surface. 2. The handrail mounting device according to claim 1, wherein a reinforcing plate is erected on the outer periphery of the support plate, and the reinforcing plate is provided continuously with the vertical piece of the locking piece. 3. A handrail mounting apparatus for mounting a handrail support via a bracket at a position where an end of a horizontal member is connected to a vertical member, wherein the bracket is a horizontal support plate having a base end connected to the handrail support. And a locking piece vertically extending from the outer end of the support plate, a mounting hole is formed in the support plate, and the locking piece includes a small-diameter piece and a large-diameter piece integrally provided below the small-diameter piece. A handrail mounting device in which a rib projecting toward the mounting hole is provided on the small-diameter piece, and a curved locking groove is formed on the lower portion of the large-diameter piece. 4. The handrail mounting device according to claim 3, wherein a reinforcing plate is vertically provided on the lower surface of the support plate.