JPH0678492U - Brace handrail frame for temporary scaffolding - Google Patents

Abstract

(57) [Summary] [Purpose] To improve the safety and design of temporary scaffold assembly and disassembly work. [Structure] On both sides of a brace handrail frame 8 arranged between facing building frames 1 and 1, clamp metal fittings 13 that are locked to upper horizontal rails 3 of the building frame and brace pins 4 and 5 of the building frame 1 are locked. A lock frame 14 for holding the vertical column 2 of the building frame 1 is provided, and the building frames 1 and 1 are coupled with the brace handrail frame 8 to secure the safety handrail to the side portion of the upper scaffolding plate 6. The frame can be arranged, the assembling and disassembling work of the scaffolding on the scaffolding plate 6 can be performed safely, and the design flexibility of the brace handrail frame 8 can improve the designability of the temporary scaffolding.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention is a brace handrail frame used for assembling a frame temporary scaffolding, and more specifically, a temporary handrail that can connect the upper part of the building frame and build a safety handrail frame for the upper floor on the upper part of the scaffold plate. Brace handrail frame for scaffolding.

[0002]

[Prior 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 a scaffolding board is installed between the upper cross rails of both building frames. The building frames are self-supporting, and they are continuously constructed in the lateral direction to construct a first floor, and then they are placed on scaffolding boards, new building frames are added to each building frame, and the opposing building frames are connected by braces. The second floor is constructed by assembling by scaffolding boards.

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

[0004]

[Problems to be solved by the device]

 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 construction frames to each other. Although it will have the function of forming a safety fence, at the time of assembling the upper floors, the opposing building frames are connected after the building frame is built, so both sides of the scaffolding plate are assembled at the time of assembling the upper floors. Since there is no such thing as a handrail to ensure safety, there is a problem that the risk of work increases as the scaffolding assembly becomes expensive. The same applies when dismantling.

In addition, in recent years, improvement of environmental beautification has become a major issue in urban areas and the like, and even a temporary scaffolding surrounding the outer periphery of a building is required to have a beautiful appearance. There is a problem in that it has a poor design and lacks aesthetics because it has an appearance in which the building frames are connected by X-shaped braces.

Therefore, the present invention solves the above-mentioned problems, so that the safety of assembling and disassembling the temporary scaffolding can be significantly improved, and at the same time, the temporary scaffolding can be improved in designability. It is an issue to provide a brace handrail frame for cars.

[0007]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the present invention proposes a clamp brace attached to a horizontal rail and a vertical column of a building frame on both sides of a brace handrail frame formed into a frame shape having a width that fits between the opposing building frames. The structure employs a structure in which a lock plate that locks to a brace pin provided on the vertical column of the frame is provided, and a building frame holder whose tip circumscribes the vertical column of the building frame.

[0008]

[Action]

 The brace handrail frame is faced between the opposing building frames, the clamp fittings are locked to the horizontal rails and vertical columns of the building frame, the lock plate is locked to the upper brace pins of the building frame, and the building frame holder is used. By holding the vertical columns of the frame, the opposing building frames can be joined by the brace handrail frame, and the upper half of the brace handrail frame protrudes to the upper side of the scaffolding board installed between the horizontal rails of the building frame. It is possible to secure the safety of the worker with the brace handrail frame during the work of adding the building frame on the upper scaffolding board.

[0009]

【Example】

 An embodiment 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. Brace pins 4 and 5 are projectingly provided on the section, a scaffolding plate 6 is erected on the horizontal rail 3, and upper and lower building frames are joined by a joint 7 to be joined upward.

Next, as shown in FIG. 2, the brace handrail frame 8 includes a pair of support columns 9 and 9 arranged in parallel on both sides, a lower cross rail 10 connecting the lower ends of the support columns 9 and 9, and a pair of support columns 9 and 9. An upper horizontal crosspiece 11 for connecting the upper ends of the columns 9, 9 and a reinforcing pipe 12 for connecting the middle of the columns 9, 9 with steel pipes or the like. It is formed with a width that fits in between 1 and a little more than half the height of the building frame 1. The pattern shape of the brace handrail frame 8 may be of any design as long as it can be practically used in terms of strength.

The brace handrail frame 8 and the building frames 1 and 1 are connected to both columns 9 and 9 of the brace handrail frame 8 to improve the standing retention and strength of the building frame 1, and at the same time, to braces the building frame 1. In order to fix the handrail frame 8, a clamp metal fitting 13 that is locked to the vertical column 2 and the horizontal rail 3, a lock plate 14 that is locked to the vertical column 2, and a building frame holder 15 are attached.

The clamp metal fitting 13 is fixed at a position close to the lower ends 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 The reference of the mounting position of the brace handrail frame 8 for 1 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 provided with a concave cutout portion 19 at the tip of the horizontal upper wall 18 that abuts on the outer peripheral surface of the vertical column 2 to the outer peripheral surface of the horizontal crosspiece 3 at about a quarter thereof. One of the side walls 20 and 21 provided on the side wall 20 is provided with a recess 22 that abuts the outer peripheral surface of the upper side of the horizontal bar 3 at the tip of the side wall 20 located on the side of the horizontal bar 3. It has a structure in which mounting pieces 23 and 24 projecting from the rear end of 21 are fixed to the column 9 by pins 25. Therefore, the end of the metal fitting body 16 contacts the vertical column 2 and simultaneously contacts the horizontal rail 3.

The hook 17 is formed into a substantially triangular side surface so as to fit between the both side walls 20 and 21 of the metal fitting body 16, and is halfway supported by a fulcrum pin 26 provided between the side walls 20 and 21 to be in a swinging state. There is. The hook 17 is just upside down with the recesses 19 and 20 provided in the upper wall 18 and the side wall 20, and the hook 17 has a half of the outer surface of the vertical column 2 on the side opposite to the horizontal rail 3 at the tip. A semicircular concave cutout portion 27 that circumscribes in a range is provided, and the upper edge of the tip portion of the 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 two long holes 30. At a certain time, it abuts on the upper surface of the hook 17, prevents the hook 17 from rotating clockwise in FIG. 4 (A), and fixes the state in which the tip abuts on the vertical column 2 and the horizontal rail 3, and When the lock pin 31 is pulled up, the hook 17 is rotated by its own weight in the clockwise direction in FIG. 4 (A) to release the contact with the vertical column 2 and the horizontal rail 3.

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

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

As shown in FIGS. 7A and 7B, the lock plate 14 can swing up and down around the rear end pivotally fixed to the support column 9 by the pin 32, and the spring 33 incorporated in the pin 32. The position of the brace handrail frame 8 with respect to the building frame 1 is formed by the lock plate 14 while the posture is maintained by the above, and the engaging notch 34 for the brace pin 4 or 5 is formed at the lower end of the building frame. 1 can be fixed in the parallel direction.

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 with reference to the clamp metal fitting 13, whereby the brace pin of the existing building frame is determined. 4 and 5 can be effectively used as they are.

The building frame holders 15 are attached to the upper and lower ends of the column 9, and as shown in FIGS. 6A and 6B, the bifurcated portion at the rear end is fitted onto the column 9 and the pin 35 is attached. It is pivotally stopped so that it can swing up and down, and is provided with a substantially semi-circular recessed portion 36 circumscribing the vertical column 2 of the building frame 1 at the tip. When the handrail frame 1 is attached or detached, the handrail frame 1 is erected so as to be externally fitted to the support column 9 as shown by the chain line in FIG. 6B, and when the handrail frame 1 is connected to the building frame 1, as shown by the solid line in FIG. Then, it is laid down and the recessed portion 36 at the tip is externally fitted to the vertical column 2.

As a result, the brace handrail frame 8 is fixed to the building frame 1 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. The lowermost brace frame 41 has substantially the same structure as the brace handrail frame 8 described above except that the vertical height is short. The upper and lower horizontal bars 43 and lower horizontal bars are provided above and below the columns 42, 42 on both sides. 44, the reinforcing pipes 45 are provided between the upper and lower horizontal bars 43, 44, and the frame holder 15 is provided at the upper and lower ends of each of the columns 42, 44, and the lock play for the lower brace pin 5 is provided at a position near the lower part. It has a structure in which the boot 14a is attached.

As shown in FIGS. 8 (A) and 8 (B), the lock plate 14 a protrudes outward from the column 42 at a position corresponding to the brace pin 5 fixed to the lower portion of the building frame 2. A hole 37 is fixed and is provided at the tip end thereof to be externally fitted and inserted into the brace pin 5.

When the brace frame 41 is mounted between the building frames 1 and 1, the lock plate 14a determines the vertical mounting position of the brace frame 41 with respect to the building frames 1 and 1, and the brace frame 41 is provided on both sides of the building frame holders. 15 and the lock plate 14a serve as a brace for connecting the building frames 1 and 1 facing each other on both sides.

The brace handrail frame of the present invention has the above-mentioned configuration, and in order to construct the temporary frame scaffold, the lowest floor 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 at the positions are connected to each other by the lowermost brace frame 41.

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

Next, the brace handrail frame 8 is horizontally held by both hands, and is placed between the opposing building frames 1 and 1 so as to face the upper part between the vertical columns 2 and 2 on the side opposite to the building, and the both side clamp fittings 13 Is circumscribed with respect to the vertical column 2 and the horizontal crosspiece 3 of the building frame 1.

In the clamp fitting 13, the lock pin 31 is pulled up in advance, and the hook 17 is placed in a posture in which the tip end faces downward. First, the recess 22 provided at the tip of the fitting body 16 is placed on the horizontal rail 3. Then, the entire brace handrail frame 8 is pushed outward to bring the recessed portion 19 into contact with the vertical column 2.

After that, the hook 17 is rotated so that the front end faces the building frame 1 side, the recessed portion 27 at the front 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 posture 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.

Thereafter, both lower lock plates 14 are tilted outward to engage with 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 a position opposite to the building. Since the brace handrail frame 8 is erected, the scaffolding plate 6 is erected between the upper horizontal rails 3 and 3 of the building frames 1 and 1.

By repeating such work in the horizontal 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 standing upright on the scaffolding plate 6 at a position 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, locked to the lower brace pin 5 of the rebuilt building frame 1, and the uppermost building frame holder 15 is also laid down. 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 with 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 is attached to the horizontal rail 3. Since the building frame holders 15 and 15 hug the vertical columns 2 of the building frame 1, the opposing building frames 1 and 1 can be firmly connected and a highly safe temporary frame scaffolding can be constructed. You 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 at the time of disassembling the temporary frame scaffolding, both side lock plates 14 and the building frame holder 15 of the brace handrail frame 8 are erected and the lock pin of the clamp metal fitting 13 is raised. 31 is pushed up with a fingertip, the hook 17 is rotated so that the tip end faces downward, and the brace handrail frame 8 is pulled to the front while the engagement with the vertical column 2 and the horizontal rail 3 is released, and the whole body is lifted. For example, the brace handrail frame 8 can be removed from between the building frames 1 and 1.

After that, by extracting the upper building frame 1 and repeating this downward, it is possible to dismantle the temporary frame scaffolding.

The dismantling of the temporary scaffolding is performed from the upper side, which is the reverse of the construction, and even during the dismantling work, the brace handrail frame 8 is located on the side of the scaffolding plate 6, which ensures safety. The temporary scaffold constructed can have a pattern shape with the brace handrail frame 8 positioned between the building frames 1, which is excellent in terms of design and can improve aesthetics.

[0042]

【effect】

 As described above, according to the present invention, on both sides of the brace handrail frame, the clamp metal fittings that engage with the horizontal rails of the building frame, the building frame holder that engages with the vertical column of the building frame, and the blurring of the building frame are provided. -Since a lock plate that engages with the spin is provided, a handrail frame can be provided above the upper scaffold plate by connecting the building frames with a brace frame, and the safety of scaffold assembly and disassembly work performed on the scaffold plate It is possible to significantly improve the safety and prevent a crash accident.

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, and the positional relationship of the building frame to the brace pins can be made constant, so that the existing building frame can be fixed. The brace handrail frame can be attached without any processing.

Further, since the building frames are connected by the brace handrail frames, the building frames can be firmly fixed and a 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 a usage state of a clamp metal fitting.

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 cross 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 2-15-2 Kishibe Minami Suita City Asahi Sangyo Co., Ltd. (72) Motoshi Satake 2-21-15 Kishibe Minami Suita City Asahi Sangyo Co., Ltd. Within

Claims (1)

[Scope of utility model registration request] 1. Clamp fittings to be attached to a horizontal rail and a vertical column of the building frame, and brace pins provided to the vertical column of the building frame, on both sides of a brace handrail frame formed into a frame shape having a width that can be accommodated between opposing building frames. A brace handrail frame for temporary scaffolding provided with a lock plate that is locked to the building frame and a building frame holder whose tip circumscribes the vertical column of the building frame.