JP2500347Y2 - Brace handrail frame for temporary scaffolding - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention relates to a brace handrail frame used for assembling a frame temporary scaffold, and more specifically, connecting the upper part of a building frame with a safety handrail frame for upper floors on the upper part of the scaffold plate. The present invention relates to a brace handrail frame for temporary scaffolding that can be constructed.

[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 combining with the braces and installing scaffolding boards.

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 to secure safety on both sides of the scaffolding plate, and there is a problem that the risk of work increases as the scaffolding 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. The challenge is to provide brace handrail frames.

[0007]

In order to solve the above problems, the present invention has a width and a building which can be accommodated between opposing building frames.
The position of the lower end portion toward both sides of the brace handrail frame formed in a frame shape having one degree of the height of half the height of the frame, a clamp fitting for locking the rungs and longitudinal columns of Kenwaku, this Clamp metal
Lock plate that is located below the lock plate that locks to the brace pin provided on the vertical column of the building frame, and below this lock plate.
It is located in one direction and can be rotated freely to stand upright from the horizontal state.
It is pivotally attached so that it is horizontal, and the vertical pillar of the building frame is notched at the tip .
The structure employs a structure in which a building frame holder is circumscribed.

[0008]

[Function] A brace handrail frame is made to face between the opposing building frames, the clamp metal fittings are locked to the horizontal rails and the vertical columns of the building frame, and the lock plate is locked to the upper brace pins of the building frame, thereby building frame holders. By holding the vertical columns of the building frame with, the opposing building frames can be joined with the brace handrail frame, and the upper half of the brace handrail frame is located on the upper side of the scaffolding board installed between the horizontal rails of the building frame. It is possible to secure the worker's safety with the brace handrail frame at the time of projecting to stand up and adding the building frame on the upper scaffolding plate.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

First, as is well known, the building frame 1 is formed in a gate shape or a torii shape in which a pair of vertical columns 2 and 2 using pipes are connected by a horizontal rail 3, and the upper and lower ends of the vertical columns 2 and 2 are formed. Brace pin 4,
5, the scaffolding plate 6 is erected on the horizontal rail 3, and
The upper and lower building frames will be joined by a joint 7 and added upward.

Next, as shown in FIG. 2, the brace handrail frame 8 has a pair of columns 9 and 9 arranged in parallel on both sides, a lower cross rail 10 connecting the lower ends of both columns 9 and 9, and both. Prop 9,
An upper horizontal rail 11 for connecting the upper end of 9 and a reinforcing pipe 12 for connecting the middle of both columns 9, 9 are made of steel pipe or the like, and are provided between the building frames 1, 1 facing each other at a predetermined interval. It is formed with a width that fits in and a height that is slightly over half the height of the building frame 1. The pattern shape of the brace handrail frame 8 may be any design as long as it can be practically used in terms of strength.

Both columns 9 of the brace handrail frame 8,
In FIG. 9, the brace handrail frame 8 and the building frames 1 and 1 are connected to each other in order to improve the upright holding and strength of the building frame 1 and at the same time to fix the brace handrail frame 8 to the building frame 1. A clamp fitting 13 that is locked to the horizontal rail 3, a lock plate 14 and a building frame holder 15 that are locked to the vertical column 2 are attached.

The clamp metal fitting 13 is fixed at a position close to the lower end portions of both columns 9, and the clamp metal fitting 13 is locked to the upper horizontal rail 3 and the vertical pillar 2 of the building frame 1 so that the building frame 1
The reference of the mounting position of the brace handrail frame 8 with respect to is set.

As shown in FIGS. 4 and 5, the clamp metal fitting 13 includes a metal fitting body 16 fixed to the pillar 9 of the brace handrail frame 8 so as to project outward, and a hook 17 attached to the metal fitting body 16. The metal fitting body 16 is formed at the tip of the horizontal upper wall 18 at the outer peripheral surface of the vertical column 2 and is approximately a quarter on the horizontal rail 3 side.
One of the side walls 20 and 21 provided on both sides of the upper wall 18 is provided with a recessed portion 19 that comes into contact with the outer peripheral surface, and at the tip of the side wall 20 located on the side of the horizontal rail 3, the upper portion of the horizontal rail 3 is divided into approximately four quarters. 1 is provided with a recess 22 that abuts the outer peripheral surface, and mounting pieces 23 and 24 projecting from the rear ends of the side walls 20 and 21 are fixed to the column 9 by pins 25. Therefore, the metal fitting body 16 comes into contact with the horizontal rail 3 at the same time as the tip of the metal fitting 16 contacts the vertical column 2.

The hook 17 is formed on both side walls 20 of the metal fitting body 16,
The side wall 2 is formed into a substantially triangular shape so as to fit between the two 21
The midway is supported by a fulcrum pin 26 installed between 0 and 21 and is swingable. The hook 17 has a recessed portion 19 and 20 provided on the upper wall 18 and the side wall 20, which are turned upside down.
A semicircular concave cutout portion 27 that is circumscribed in a range of one-half is provided, and the upper edge of the tip of one side plate 28 serves as a contact portion 29 for the lower portion of the horizontal rail 3.

Vertical holes 30 are provided in the upper portions of both side walls 20 and 21 of the metal fitting body 16, and a lock pin 31 is vertically movably installed between the long holes 30.
Comes into contact with the upper surface of the hook 17 when it is in the lowered position to prevent the hook 17 from rotating clockwise in FIG. 4 (A),
While fixing the state in which the tip is in contact with the vertical pillar 2 and the horizontal rail 3, when the lock pin 31 is pulled up, the hook 17 rotates by its own weight in the clockwise direction in FIG. It is designed to release the contact with 3.

As described above, the clamp metal fitting 13 is circumscribed with respect to the vertical column 2 and the horizontal rail 3 and is prevented from moving in the vertical direction and in the horizontal direction along the axial direction of the horizontal rail 3, whereby the brace handrail is provided. The frame 8 is fixed to the building frame 1 in the above direction.

The above-mentioned lock plates 14 are attached to two positions of the brace handrail frame 8 on the pillar 9 in the vertical direction and below the clamp fittings 13, and the lower lock plate 14 is the upper part of the building frame 1. Corresponding to the brace pin 4, the upper lock plate 14 corresponds to the lower brace pin 5 of the upper building frame 1.

This lock plate 14 is shown in FIG.
As shown in (B), it is possible to swing up and down around the rear end pivotally fixed to the support column 9 by the pin 32, and the spring 33 assembled in the pin 32.
The brace handrail frame 8 is formed by the lock plate 14 which holds the posture and is provided with an engaging notch 34 for the brace pin 4 or 5 at the lower end of the tip.
Can be fixed to the building frame 1 in the parallel direction of the building frame 1.

Since the brace handrail frame 8 is locked to the horizontal rail 3 of the building frame 1 by the clamp metal fitting 13, the upper and lower positions are determined on the basis of the clamp metal fitting 13, whereby the brace pin 4 of the existing building frame is determined. 5 can be effectively used as it is.

The building frame holders 15 are attached to the upper and lower ends of the column 9, and as shown in FIGS. 6 (A) and 6 (B),
The rear end bifurcated portion is fitted onto the column 9 and pivotally fixed by a pin 35 so as to be vertically swingable, and a substantially semi-circular recessed portion which is circumscribed at the tip with respect to the vertical column 2 of the building frame 1. 36, the building frame holder 15 is provided with the brace handrail frame 1 as shown in FIG.
As shown by the alternate long and short dash line in (B), it is erected so as to be fitted onto the column 9, and when it is connected to the building frame 1, it is laid down to form a concave notch as shown by the solid line in FIG. The portion 36 is fitted on the vertical column 2.

As a result, the brace handrail frame 8 becomes the building frame 1.
On the other hand, it is fixed in both the width direction and the parallel direction.

1 and 2, a lowermost brace frame 41 is separately prepared in order to connect the lower parts of the lowermost building frame. This bottom brace frame 41 has substantially the same structure as the above-mentioned brace handrail frame 8 except that the vertical height is short. 44, and upper and lower horizontal bars 43,
While providing a reinforcing pipe 45 between 44, both columns 42,
The building frame holders 15 are provided at the upper and lower ends of 44, respectively, and the lock plates 14a for the lower brace pins 5 are provided at positions near the bottom.
It has a structure with attached.

The lock plate 14a is shown in FIG.
As shown in (A) and (B), the brace pin 5 is fixed at a position corresponding to the brace pin 5 fixed to the lower portion of the building frame 2 so as to project outward from the support column 42, and is fitted onto the brace pin 5 at the tip end portion. A hole 37 for inserting is provided.

With this lock plate 14a, the building frame 1
When mounting the brace frame 41 between the building frames 1 and 1, the vertical mounting position of the brace frame 41 with respect to the building frames 1 and 1 is determined, and the brace frame 41 is opposed to the building frames by the building frame holders 15 and the lock plates 14a on both sides. It will serve as a brace that joins the 1 and the 1 together.

The brace handrail frame of the present invention is constructed as described above, and in order to construct the temporary frame scaffold, the lowest building frames 1 and 1 for the first floor are opposed to each other on the opposite side of the building. The lower portions of the vertical columns 2 in the position are connected to each other by the lowermost brace frame 41.

This coupling work is performed by the lock plates 1 on both sides.
Insert 4a and 14a into the lower brace pin 5, and then
This is done by tilting the upper and lower building frame holders 15 outward.

Next, the brace handrail frame 8 is horizontally held by both hands, and is faced to the upper part between the vertical columns 2 and 2 on the opposite side of the building between the opposing building frames 1 and 1, and the both side clamp fittings 13 are attached. The vertical pillar 2 and the horizontal horizontal rail 3 of the building frame 1 are circumscribed.

The clamp fitting 13 has a lock pin 31 in advance.
And the hook 17 is in a posture in which the tip end faces downward, and first, the recessed portion 22 provided at the tip end of the metal fitting body 16 is brought into contact with the horizontal rail 3, and then the entire brace handrail frame 8 is moved outward. To push the recessed portion 19 into contact with the vertical column 2.

Thereafter, the hook 17 is rotated so that the tip end faces the building frame 1 side, the recessed portion 27 at the tip end is brought into contact with the vertical column 2, and the contact portion 29 is brought into contact with the lower surface of the horizontal rail 3. Then, as shown in FIG. 4, the lock pin 31 is placed on the upper surface of the hook 17, and the attitude of the hook 17 is automatically locked.

The brace handrail frame 8 is fixed to the building frame 1 in the up-down direction and the front-back direction by the clamp fitting 13, and at the same time, does not move in the direction between the building frames 1.

After that, the lower lock plates 14 are tilted outward to engage the upper brace pins 4 of the building frame 1, and the building frame holder 15 at the lower end is tilted outward to form the recessed portion 36 at the tip. Hold the column 2.

As a result, the brace handrail frame 8 is fixed to the upper part between the building frames 1 and 1, and the brace handrail frame 8 is located between the building frames 1 and 1 at the position opposite to the building. The brace handrail frame 8 is erected above the upper end, and after the brace handrail frame 8 is erected, the scaffolding plate 6 is installed between the upper horizontal rails 3 and 3 of the building frames 1 and 1.

By repeating the above work in the lateral direction, the first floor is assembled.

Next, when assembling the second floor, an operator is placed on the scaffolding plate 6 to add the building frame 1. At this time, since the brace handrail frame 8 is erected at a position on the scaffolding plate 6 on the side opposite to the building, it is possible to ensure work safety.

After the building frame 1 is replenished, the upper lock plate 14 is laid down to engage with the lower brace pin 5 of the rebuilt building frame 1 and the uppermost building frame holder 15 is also laid down as described above. By repeating the work in the horizontal direction, the second floor can be assembled. By repeating such work in the upward direction, the temporary frame scaffolding of the required height is constructed.

In the construction of the temporary frame scaffold, both side building frames 1 and 1 of each floor are connected by the brace handrail frame 8 at the upper and lower brace pins 4 and 5, and the clamp metal fitting 13 connects the horizontal rail 3 to each other. Since they are held and the building frame holders 15 and 15 hold the vertical columns 2 of the building frame 1, the building frames 1 and 1 facing each other can be firmly connected, and a highly safe temporary frame scaffolding can be constructed. it can.

The building frames 1 and 1 may be connected to the building side by using a conventional X-shaped brace.

Next, in order to remove the brace handrail frame 8 when dismantling the temporary frame scaffold, both side lock plates 14 and the building frame holder 15 of the brace handrail frame 8 are erected, and the lock pins 31 of the clamp fitting 13 are fingertips. Push up and rotate the hook 17 so that the tip end faces downward, pull the brace handrail frame 8 toward you with the brace handrail frame 8 and the horizontal bar 3 disengaged, and lift the whole, the building frame The brace handrail frame 8 can be removed from between 1 and 1.

After that, the upper building frame 1 is extracted, and by repeating this downwardly, the temporary frame scaffolding can be disassembled.

The dismantling of the temporary scaffold is performed from the upper side, which is the reverse of the construction, and the brace handrail frame 8 is located on the side of the scaffolding plate 6 even during the dismantling work, so that safety can be ensured. Along with that, the appearance of the constructed temporary scaffold is the building frame 1
It has a pattern shape in which the brace handrail frame 8 is located between
It is also excellent in design and can improve aesthetics.

[0042]

[Effect] As described above, according to the present invention, the clamp metal fittings for locking the horizontal rails of the building frame are provided on both sides of the brace handrail frame.
Since the building frame holder that engages with the vertical pillars of the building frame and the lock plate that engages with the brace pins of the building frame are provided, by connecting the building frames with the brace frame, the upper rails of the upper scaffolding board can be handrailed. Since a frame can be provided, the safety of scaffold assembly and disassembly work performed on the scaffold plate can be significantly improved, and a fall accident can be prevented.

Further, the brace handrail frame can be mounted between the building frames based on the horizontal rail of the building frame by the clamp metal fittings.
Since the positional relationship between the building frame and the brace pin is constant, the brace handrail frame can be attached without performing any processing on the existing building frame.

Further, since the building frame is connected by the brace handrail frame, the building frame can be firmly fixed, and the temporary frame scaffolding excellent in strength can be constructed.

[Brief description of drawings]

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

FIG. 2 is a front view of the above.

FIG. 3 is an enlarged front view of the main part of the above.

FIG. 4A is a vertical sectional front view showing a usage state of the clamp fitting, and FIG.

FIG. 5 is an exploded perspective view showing the usage state of the clamp fittings.

6A is a cross-sectional plan view of a building frame holder, and FIG. 6B is a front view of the same.

7A is a cross-sectional plan view of the lock plate, FIG.
Is the same front view

FIG. 8A is a cross-sectional plan view of the lock plate for the bottom brace handrail frame, and FIG. 8B is a front view thereof.

[Explanation of symbols]

 1 Building frame 2 Vertical column 3 Horizontal rail 4, 5 Brace pin 6 Scaffolding plate 8 Brace handrail frame 9 Strut 13 Clamp metal fitting 14 Lock plate 15 Building frame holder

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tetsuo Toi 2-15 No. 2-15 Kishibe Minami Suita City Asahi Industrial Co., Ltd. (72) Motoshi Satake 2-2-15 Kishibe Minami Suita City Asahi Industry Co., Ltd. Incorporated (56) Reference JP-A-52-14034 (JP, A) Actual flat 4-120847 (JP, U) Actual flat 5-10640 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. The width and the height of the building frame that can be accommodated between the opposing building frames.
The position of the lower end portion toward both sides of the brace handrail frame formed in a frame shape having one as high as half of a clamp fitting for locking the rungs and longitudinal columns of Kenwaku, than the clamping bracket under
The lock plate that is located on the lower side of the lock plate that is locked to the brace pin provided on the vertical column of the building frame.
So that it can be freely rotated from the horizontal position to the upper position.
A brace handrail frame for temporary scaffolding in which a building frame holder that is pivotally attached and has a concave notch at the tip circumscribes the vertical column of the building frame in a horizontal state .