JPH08429Y2 - Sliding brace handrail frame for temporary scaffolding - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brace handrail frame used for assembling a frame temporary scaffold, and more specifically, a building frame can be joined and a handrail frame for the upper floor can be constructed on the upper part thereof. The present invention relates to a slide brace handrail frame for temporary scaffolding.

[0002]

2. Description of the Related Art Conventionally, in order to construct a framed temporary scaffolding using a building frame, the building frames arranged opposite to each other are connected by an X-shaped brace, and scaffolding boards are provided between the upper horizontal rails of both building frames. Erection of both building frames to make them stand-alone, which are continuously constructed in the lateral direction to build a first-floor floor, and then placed on scaffolding boards to add new building frames on each building frame, and the opposing building frames The second floor is constructed by connecting with the braces and installing the scaffolding frame.

In this way, by constructing a framed erection scaffold of a desired height by sequentially and repeatedly assembling each floor, the scaffolds are disassembled in order from the upper floors. To go.

[0004]

By the way, since the conventional brace has a structure in which two pipes are connected to each other in an X-shape, it is only necessary to connect the opposing building frames to each other, and After assembly, it will have the function of forming safety fences on both sides of the scaffolding board, but when assembling the upper floors, the opposite building frames are connected after the building frames are installed, so At the time of assembling work, there is no such thing as a handrail that secures safety on both sides of the scaffold plate, and there is a problem that the risk increases as the scaffold assembly becomes higher. The same applies when dismantling.

Further, in recent years, improvement of environmental beautification has become a major issue in urban areas and the like, and a temporary scaffold surrounding the outer periphery of a building is now required to have a beautiful appearance. There is a problem in that the building frame has an unsightly design and lacks aesthetics because it has the appearance of connecting building frames with X-shaped braces.

Therefore, in order to solve the above problems, the present invention can significantly improve the safety of the assembly and dismantling work of the temporary scaffold, and at the same time, improve the design of the temporary scaffold. It is an object to provide a sliding brace handrail frame.

[0007]

In order to solve the above problems, the present invention provides guide rails that can be vertically connected at positions on both sides of the outer surface of a brace in which two brace pipes are crossed. Its top is above the top of the brace
Mounting in arrangement of the parallel state so as to be located towards a movable said both guide <br/> Doreru vertically along the guide rail
Install the guide member and place it between the guide rails.
The handrail frame whose lower ends are fixed to the guide member
At the upper end of the guide rail where it crosses the brace pipe
At the pulling position where the
The guide member is formed so as to project upward, and
Stopper on the brace pipe at the above pulling position of the member
Stopping mechanism that engages and stops the handrail frame at the raised position
Is adopted.

[0008]

[Function] The opposing building frames are connected by braces, scaffolding boards are installed between the horizontal rails of the building frame, the handrail frames are pulled up along the guide rails attached to both sides of the brace, and stopped at the pulling position by the stop mechanism. Then, the handrail frame is erected on the side portion of the upper scaffolding plate, and the handrail frame can ensure the safety of the worker when the construction frame is added on the upper scaffolding plate.

When the upper building frame is connected by braces, the lower end of the guide rail is connected to the guide rail of the lower brace, and then the handrail frame is pulled up along the guide rail to the upper portion of the upper brace and stopped. , Only one handrail frame can handle scaffolding on the upper floor that is successively added.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in the drawings, a brace handrail frame A is arranged between a brace 1, a pair of guide rails 2 and 2 fixed on both sides of the front surface of the brace 1, and both guide rails 2 and 2. The handrail frame 3 and the lower end portions on both sides of the handrail frame 3 are supported by a guide member 4 which is movable along the guide rails 2 and 2. The guide member 4 is fixed to the raised position where the handrail frame 3 is pulled up. A stop mechanism 5 is provided for this purpose.

As is well known, the building frame 6 is formed in a gate shape or a torii shape in which a pair of vertical columns 7, 7 using pipes are connected by a horizontal rail 5, and brace is provided at the upper and lower ends of the vertical columns 7, 7. The connecting pin 8 is projectingly provided, the scaffolding plate 10 is erected on the horizontal rail 9, and the upper and lower building frames are joined by a joint to be joined upward.

The brace 1 is composed of two brace pipes 1a.
And 1b are crossed at the center and connected by a pin 11, and the flattened ends are provided with mounting holes 12 for the connecting pins 8. The structure is expanded in an X shape for connecting the building frame 6. The guide rails 2 and 2 are overlapped and fixed on both sides of the outer surface.

Both guide rails 2 and 2 are made of a metal pipe, and as shown in FIG. 6, the portions intersecting with the brace pipes 1a and 1b are joined by a removable pin 12 so that the brace pipes 1a and 1b are X-shaped. It has been fixed to the arrangement.
Therefore, by removing the pin 12, the brace 1 and the guide rail 2 are separated, and the brace 1 can be folded.

The guide rails 2 and 2 are arranged in parallel with each other while being fixed to the brace 1, and have a joint 13 at the upper end thereof for connecting the lower ends of the guide rails arranged above. It is provided.

The brace 1 is a building frame 6 which is connected to each other.
Is required, and when the upper building frames 6 are combined,
The lower end of the guide rail is connected to the upper end of the guide rail 2 in the lower brace 1 via a joint 13, and the upper and lower guide rails 2 are continuous and extended.

On the other hand, one handrail frame 3 is prepared between the building frames 6 which are vertically joined, and is pulled up along the guide rails 2 which are sequentially connected upward.

The handrail frame 3 is made of a metal pipe, and the upper ends and the middles of the vertical columns 14 and 14 on both sides are joined by handrail crosspieces 15 and 16, and the center spacing between the vertical columns 14 and 14 is set to the guide rails 2 and 2.
The structure matches the center interval of.

While supporting the handrail frame 3, the guide rails 2,
The guide member 4 mounted on both guide rails 2 and 2 so as to be able to move up and down along the guide rail 2 has a vertically long rectangular shape on the front side of the guide rail 2 as shown in FIGS. 3 to 5. The plate 21 is arranged, and the groove-shaped rollers 22 holding the guide rails 2 from both sides are pivotally fixed to the upper and lower four corners on the back side of the plate 21 so that the plate 21 can move up and down along the guide rails 2. Tightening fittings 23 for fixing the vertical columns 14 of the handrail frame 3 are attached at upper and lower positions on the front surface side of the plate 21.

The fastening member 23 has a horizontally long holding plate 24 circumscribing the vertical column 14 stacked on the front surface of the plate 21, and both ends of the holding plate 24 fixed to the plate 21.
It is formed by a tightening bolt 25 for holding the vertical column 14 between the plate 21 and the plate 21, and the handrail frame 3 is held in a vertical state on the front surfaces of the guide rails 2 and 2 by firmly holding the upper and lower ends of the vertical column 14. And by the guide members 4 on both sides,
The handrail frame 3 can move freely up and down along the guide rail 2.

The stop mechanism 5 provided on the guide member 4 has a vertically elongated hole 26 formed on a side portion of the plate 21, and an L-shaped stopper machine penetrating the elongated hole 26 is provided on the plate 2
The support wall 28 provided on the back surface of the unit 1 is pivotally fixed by a pin 29.

The stopper machine 27 can swing up and down with the pin 29 as a fulcrum, and the portion located on the rear side of the plate 21 with the pin 29 as a boundary is heavier in weight than the front side, and in a natural state, As indicated by the one-dot chain line in FIG. 5, the back side is in a suspended posture so that the vertical movement of the handrail frame 3 is not hindered.

Further, when the handrail frame 3 is pulled up to the positions of the upper ends of the guide rails 2 and 2, the stopper machine 27 is operated to bring the back side into a horizontal posture, and the handrail frame 3 is lowered in this state. As shown in FIG. 3, the stopper machine 27 abuts on the brace pipe 1a and holds the handrail frame 3 in the pulled-up state.

The brace handrail frame of the present invention is constructed as described above. The brace 1 is opened in an X-shape, and the guide rails 2 and 2 are attached to both sides of the brace 1 in parallel arrangement by the pins 12, and the brace pipe 1a, The guide member 4 fixed to both guide rails 2 and 2 while fixing the opened state of 1b
The lower ends of the vertical columns 14 on both sides of the handrail frame 3 are fixed to the brace 1 and the handrail frame 3 is assembled to the brace 1.

In order to construct a framed temporary scaffold, the building frames 6 and 6 are arranged so as to face each other at a predetermined interval, and the handrail frame 3 is provided between the vertical columns 7, 7 of both building frames 6, 6 as described above. The brace 1 in which the two are combined is faced, and the mounting holes 12 formed at the ends of the brace pipes 1a, 1b are inserted into the corresponding connecting pins 8, thereby connecting the two building frames 6 and 6 via the brace 1. .

Further, by mounting the scaffolding plate 10 between the cross rails 9 and 9 of both the construction frames 6 and 6, the both construction frames 6 and 6 are connected to the braces 1 in an independent state. Both sides of the building frames 6 are joined by the brace 1.

Next, if the handrail frame 3 is pulled up along the guide rail 2 with respect to the brace 1 and the stopper machine 27 of the stop mechanism 5 is locked on the brace pipe 1a, as shown in FIGS. 1 and 2. The handrail frames 3 are erected on both sides of the upper part of the scaffold plate.

In this way, the building frames 6 are sequentially joined laterally in the lateral direction by the braces 1 and the scaffolding boards 10 to assemble the first floor, and thereafter, they are placed on the upper scaffolding board 10 and the upper building frames are placed on the lower building frames. The second floor is assembled by connecting the upper building frame with the brace 1 and the scaffolding board 10, and at this time, the lower end of the guide rail in the upper brace is connected to the upper end of the guide rail 2 in the lower brace, and the handrail frame 3 To the guide rail of the upper brace.

In this way, the erection scaffolding of a desired height can be constructed by repeating the addition and connection of the building frame 6 upwards, and the scaffolding board 10 of the scaffolding plate 10 can be connected at any floor. Since the handrail frames 3 are located on both sides, work safety can be ensured.

Further, the dismantling of the temporary scaffold is carried out from the upper side, which is the reverse of the construction, and the handrail frames 3 are located on both sides of the scaffolding plate 10 even during the dismantling work, so that safety can be ensured and The appearance of the constructed temporary scaffold has a shape in which the brace 1 and the handrail frame 3 are located between the building frames 6, which is excellent in terms of design and can improve aesthetics.

[0030]

[Effect] As described above, according to the present invention, since the handrail frame is attached to the brace so as to be vertically movable along the guide rail, the handrail frames are attached to both sides of the upper scaffold plate by connecting the building frames with the brace. It can be provided, the safety of scaffold assembly and dismantling work performed on the scaffold plate can be significantly improved, and a fall accident can be prevented.

Further, by the combination of the brace frame and the handrail frame,
The exterior shape can be diversified and the design can be improved, and the appearance of the temporary scaffolding can be improved to improve the beautification of the environment in urban areas.

Further, since the handrail frame is pulled up and used in sequence, only one handrail frame is required in the vertical direction, and the equipment cost can be reduced, which is economically advantageous.

[Brief description of drawings]

FIG. 1 is a front view showing a use state of a brace handrail frame according to the present invention.

FIG. 2 is a perspective view of a main part of the same as above.

FIG. 3 is a front view showing essential parts of the brace and the guide member.

FIG. 4 is a transverse plan view of the same as above.

FIG. 5 is a vertical side view of the above.

FIG. 6 is a side view showing the relationship of the brace guide rails.

[Explanation of symbols]

 1 brace 2 guide rail 3 handrail frame 4 guide member 5 stop mechanism 6 building frame

Claims (1)

[Scope of utility model registration request] 1. A guide rail connectable up and down is located at both sides of the outer surface of the brace where two brace pipes are crossed, and the upper end of the guide rail is located above the upper end of the brace.
Mounted in parallel so that both guide rails
Guide part that can move up and down along this guide rail
Place the material and place it between the guide rails,
The guide member guides the handrail frame whose end is fixed to the guide member.
Stop at the top of the rail, where it intersects the brace pipe.
At the pulling position, project above the upper end of the guide rail.
The guide member is formed so that
Engage the stopper on the brace pipe in the raised position.
The slide brace handrail frame for temporary scaffolding provided with a stop mechanism for stopping the handrail frame at the pulling up position .