JP2002242423A - Suspended scaffold - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a means for surely and easily assembling a scaffold for applying maintenance work to an outer wall of a building. SOLUTION: This suspended scaffold is composed of a plurality of guide members 20 suspended along the outer wall W by a parapet P of the building, a sill attachment 30 placed on a rooftop floor surface F of the building, and carrying the guide members 20 in a desired height position, a fixing jack 40 fixed to the sill attachment 30, and fixed to the parapet P by pressing the guide members 20 to the outer wall W, column frames 50 fixed to the desired height position of the guide members 20, carrying members 60 arranged on the guide members 20 for fixing the column frames 50 to the desired height position, a scaffold plate 70 installed between the adjacent column frames 50, and a reinforcing member 80 connected to adjacent guide rails 21 and the column frames 50, and resisting horizontal force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension scaffold that enables a scaffold for maintenance to be installed on a narrow land where a gap between adjacent buildings is narrow, and the installation work is simple.

[0002]

2. Description of the Related Art When performing maintenance such as cleaning, inspection, repair, and replacement of members on the outer wall of a building such as a house, a main scaffold such as a single pipe scaffold, a framed scaffold, or a scaffold, a single scaffold, or a bracket. The work was done by assembling one side scaffold such as side scaffold. In addition, when performing maintenance only on a part of the outer wall, the work is performed using an aerial work vehicle.

[0003]

However, since all scaffolds are assembled in order from the ground, a work space for assembling the scaffolds is required. However, in a narrow land where a gap between adjacent buildings is small. However, there is a problem that the working space cannot be sufficiently secured. In addition, to prevent the scaffold from collapsing, it is necessary to provide a pillar in the building of the scaffold, but since the gap between adjacent buildings is narrow, it is not possible to provide a pillar, and when assembling the scaffold, Alternatively, there has been a problem that the scaffold becomes unstable during maintenance and it is difficult to secure work safety.

[0004] On the other hand, when using an aerial work vehicle, the worker works while riding on a work table, and thus has a problem that the work range is limited. In addition, there is a problem in that aerial work vehicles are permanently stationed on the front road, causing trouble for the neighborhood.

The present invention has been made in view of the above problems, and provides a scaffold for maintenance on an outer wall of a building without requiring a working space on the ground, and for assembling the scaffold, performing maintenance work, and the like. It is an object of the present invention to ensure a worker's safety and to provide means for assembling surely and easily.

[0006]

According to a first aspect of the present invention, there is provided a suspension scaffold having a guide rail having a substantially C-shaped cross section, and an opening of the guide rail. A plurality of guide members suspended at predetermined intervals on the parapet; and a plurality of guide members suspended on the rooftop of the building at a predetermined interval. A base attachment that is placed and carries the guide member at a desired height position, a fixing jack fixed to the base attachment, pressing the guide member against the outer wall and fixing the guide member to the parapet, and the guide member A vertical rail slidably inserted into the guide member and a horizontal rail supported on the guide member by a support member provided on the guide member are combined in a rectangular shape, and the guide member has a desired height. And a scaffolding plate erected between the adjacent support frames, and a reinforcing member connected to the adjacent guide rail and the support frame to resist horizontal force. It is.

According to a second aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein a back surface opposite to the opening of the guide rail is orthogonal to the axial direction of the guide rail and abuts on the outer wall. The first contact plate is provided so as to be in contact with the first contact plate.

According to a third aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein the base attachment includes a base mounted on a rooftop floor, and a support standing upright on the base.
A frame inserted through and fixed to the column, a meshing member provided in the frame and inserted into the column to mesh with the column, and an urging member for urging the meshing member upward, It is characterized by comprising a clamp fixed to the frame, wherein the support is erected on the base so as to be tiltable.

According to a fourth aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein the fixing jack is provided with a horizontal bar slidably provided on the base attachment and a screw at both ends of the horizontal bar. And a jack bolt provided at one end thereof with a second abutment plate abutting on a rising surface of the parapet, and a handle screwed to each jack bolt. Is what you do.

According to a fifth aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein the support frame includes a plurality of support frames connected in series, and each of the support frames includes a vertical support. At the end of each, there is provided a convex portion or a concave portion in which an insertion hole is formed in a direction perpendicular to the axis, and at the end of each vertical rail of the other support frame, an insertion hole is formed in a direction orthogonal to the axis. The formed concave or convex portion is provided, and the fitted convex portion,
The stopper is inserted into the insertion hole of the recess, and the support frame is connected.

According to a sixth aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein the supporting member is arranged near the opening of the guide rail so that a longitudinal direction of the guide rail and an axial direction thereof are parallel to each other. A rotating rod provided rotatably in the circumferential direction, and a carrier piece protruding from a side of the rotating rod in a direction perpendicular to the axis.

According to a seventh aspect of the present invention, there is provided the hanging scaffold according to the first aspect, wherein the reinforcing member is hooked on a hooking piece, and the hooking piece has a central portion. Are bent, and comprise a holding portion for holding the vertical rail of the guide rail and the support frame, and hooks fixed to both edges of the holding piece.

The suspension scaffold according to claim 8 is the suspension scaffold according to claim 1, wherein the horizontal rail near the lower end of the support frame is provided with a detachable portion detachably fixed to the horizontal rail. A swing prevention member fixed to the attachment / detachment portion and provided at one end thereof with a support rod provided with a third backing plate in contact with the outer wall is provided.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the schematic configuration of the hanging scaffold 10 according to the present embodiment includes a plurality of guide members 20 that are hung along a parapet P of a building along an outer wall W.
And the guide member 20 is placed on the rooftop floor F of the building.
Attachment 30 for supporting the object at a desired height position
A fixing jack 40 fixed to the base attachment 30 to fix the guide member 20 to the parapet P; a support frame 50 fixed to a desired height position of the guide member 20; A support member 60 provided on the guide member 20 to fix the support member 50 at a desired height position, a scaffold plate 70 provided between the adjacent support frame 50, the adjacent guide member 20 and the support column Frame 5
The reinforcing member 80 is connected to the support frame 50 and a swing prevention member 90 is detachably fixed near the lower end of the support frame 50 and is in contact with the outer wall W. Hereinafter, this will be described in more detail.

As shown in FIG. 2, the guide member 20 has a guide rail 21 having a substantially C-shaped cross section, and a guide rail 21 abutting against an outer wall W on a back surface 21b opposite to the opening 21a of the guide rail 21. The one supporting plate 22 is a guide rail 21
And an inverted L-shaped hook 23 is fixed to the vicinity of the upper end of the back surface 21b of the guide rail 21 so as to be orthogonal to the axial direction of the guide rail 21. , A space S in which the parapet P enters.

The first backing plate 22 is provided with a contact portion 22b at the tip of a support rod 22a for contacting the outer wall W. The first backing plate 22 has two portions, an upper portion and a lower portion of a back surface 21b of the guide rail 21. It is provided in. Since the distance between the outer wall W of the building and the suspension scaffold 10 is set by the length of the support rod 22a, it is set in consideration of the width of the gap between the adjacent buildings, the width of the window eaves, and the like.

The length of the horizontal portion 23a of the hook 23 is
As shown in FIG. 1, since the scaffold plate 70 is erected between the horizontal portions 23 a of the adjacent hanging members 23,
Set in consideration of the width of The scaffold plate 70 prevents the parapet P from being damaged or soiled during work. Since the base attachment 30 is inserted into the vertical portion 23b of the hanging member 23, the length is set in consideration of the insertion length.

As shown in FIG. 3, the base attachment 30 includes a base 31 mounted on a rooftop floor F, a column 32 rotatably joined to the base 31, and an upright column 32; Frame 3 having a substantially U-shaped cross-section that is inserted into and fixed to
3 and an insertion hole 34a provided in the frame 33 and through which the column 32 is inserted. When the column 32 is inserted through the insertion hole 34a, the frame 32 is inclined at a predetermined angle with the frame 33. The peripheral edge of the insertion hole 34a is provided between the engaging member 34 for engaging the column 32 and the horizontal plate 34b of the engaging member 34 and the bottom plate 33a of the frame 33 so that the column 32 is inserted therethrough. A spring 35 as an urging member for urging the member 34 upward, a clamp 36 fixed to the back plate 33b of the frame 33 and allowing the horizontal bar 41 of the fixing jack 40 to pass therethrough, and an upper plate of the frame 33 The guide member 20 includes a pair of holding members 37 that are fixed to the fixing member 33c and hold the lower end of the hanging member 23 to prevent the guide member 20 from wobbling. The base 31 and the support 32
Are rotatably joined by hinges or the like, so that even when the roof floor surface F on which the base 31 is placed is inclined with respect to the horizontal plane due to the drainage gradient, the support columns 32 are upright. The hanging tool 23 inserted into the support 32 is
3, the guide rail 21 is suspended substantially parallel to the outer wall W.

As shown in FIG. 3, the fixing jack 40 has a horizontal bar 41 slidably provided on a clamp 36 fixed to a back plate 33b of the frame 33, and two ends of the horizontal bar 41. The jack bolt 43 is screwed and has a second backing plate 42 at one end thereof, and a handle 44 screwed to each jack bolt 43. When using, the horizontal bar 4
1 is fixed to the clamp 36 to fix the fixing jack 40 to the base attachment 30, and then the second backing plate 42 is brought into contact with the parapet P against the rising surface.

With the base attachment 30 and the fixing jack 40 configured as described above, as shown in FIG. 3, the horizontal bar 41 is first tightened to the clamp 36, and the horizontal plate 34a is pressed to form the engaging member. The guide member 20 is attached to the upper plate 33c of the base attachment 30 in a state where the engagement of the
3b is inserted into the column 20 until the lower end of the column 3b is reached. Next, as shown in FIG. 4, the pressing of the horizontal plate 34a is released,
The engaging member 34 is engaged with the column 32, the second contact plate 42 is brought into contact with the rising surface of the parapet P, and the fixing jack is pressed so that the first contact plate 22 of the guide member 20 presses the outer wall W. Turn the handle 44 of the first
By holding the parapet P between the backing plate 22 and the second backing plate 42, the guide member 20
Fixed to At this time, since the horizontal bar 41 is slidably mounted around the clamp 36, if the end of the horizontal bar 41 is tightly connected to the clamp 36, as shown in FIG. The guide member 20 can be attached.

As shown in FIG. 6, the support frame 50 is formed by connecting small support frames 51 in series, and the small support frame 51 has vertical bars 52a, 52b and horizontal bars 53, as shown in FIG. Are combined in a rectangle. One of the vertical rails 52a has a rectangular cross-sectional shape substantially equal to the inner width of the guide rail 21, and a convex bar 54 is fixed to the upper end of the side facing the other vertical rail 52b. A first concave tube 55 is fixed to a side surface facing the other vertical bar 52b. The other vertical bar 52b is a circular steel pipe, and at the upper end thereof, an extended portion 56 is formed by extending the vertical bar 52b upward by a predetermined length, and at the lower end of the vertical bar 52b,
The second concave pipe 57 is fixed on the shaft of the vertical bar 52b.
Further, the convex bar 54 of one of the vertical bars 52a and the first concave tube 5
5, the extension 56 of the other vertical rail 52b and the second concave pipe 57
A pin hole 58 is provided at a predetermined height position.

The length of the vertical rails 52a and 52b of the small support frame 51 is arbitrarily determined, but is preferably substantially the same as that of a vertical rail generally used for a framed scaffold or the like.
The length of the guide rail 21 is the same as or longer than the length of the vertical rails 52a and 52b of the small support frame 51 in order to securely support the small support frame 51 inserted into the small support frame 51 in a slidable manner. Is preferred.

As shown in FIG. 8, the small column frame 51 thus constructed is connected to the convex bar 54 of the vertical bar 52a of the small column frame 51 temporarily fixed to the guide rail 21 by the support member 60 as shown in FIG. The lower end of the connecting vertical rail 52a abuts on the upper end of the vertical rail 52a temporarily fixed to the guide rail 21 with the first concave pipe 55 of the connecting vertical rail 52a. With the insertion hole 5
This is carried out by inserting a pin 59 through 8.

In the present embodiment, the small support frame 51 is connected by fitting the first concave tube 55 and the second concave tube 57 to the convex bar 54 and the extension 56, respectively. Although this is performed by inserting 59 into the pin hole 58, the present invention is not limited to this, and it is sufficient that the small support frame 51 can be connected without hindering its sliding.

The support frame 50 provided along the outer wall
Among them, as shown in FIG. 6, the column frame 50 that is first suspended and hangs on the outermost side increases the number of the horizontal rails 53 and lowers the installation interval in order for the worker to go up and down. Used as a ladder frame 50a. The installation interval of the horizontal rail 53 at this time is not particularly limited, but is preferably about 30 cm to 35 cm in consideration of workability and workability.

As shown in FIG. 2, the supporting member 60 is
The guide rail 21 is provided at the side end on the opening 21a side,
A rotating rod 61 is provided so that the longitudinal direction of the guide rail 21 and the axial direction thereof are parallel to each other, and is rotatable in the circumferential direction. A side of the rotating rod 61 is orthogonal to the axis. A supporting piece 62 is projected in the direction, and is held on the guide rail 21 by a tube 63 provided with the guide rail 21.

At the upper end of the rotating rod 61, a handle 64 bent in a direction perpendicular to the axial direction is formed.
The stopper 65 provided on the side edge of the guide rail 21
By rotating the rotating rod 61 until the support piece 62 is hooked on the guide rail 21. At this time, by attaching the stopper 65 to the guide rail 21,
This prevents the supporting piece 62 from rotating and returning due to wind or the like, thereby preventing the temporary fixing of the small support frame 51 from being released.

As shown in FIG. 8, the vertical bar 52a of the small support frame 51 is inserted into the guide rail 21 by the support member 60 thus configured, and the rotating rod 61 is rotated by grasping the handle 64. After the supporting piece 62 is hooked on the guide rail 21 and the opening 21a of the guide rail 21 is closed, the horizontal beam 53 of the small support frame 51 is supported on the support piece 62, so that the small support frame 51 Rail 21
Will be temporarily fixed.

The scaffold plate 70 has the same structure as a commonly used steel scaffold plate. However, in the present embodiment, in consideration of the provision of the hanging scaffolding 10 in a narrow land, the width of the scaffolding plate 70 is reduced to about 12 cm to 35 cm as compared with the width of a commonly used scaffolding board. I have. Further, in order to cope with maintenance in various ranges, a plurality of types of scaffolding plates 70 having a length of about 50 cm to 200 cm are prepared and used depending on the maintenance range. In the erection,
As in the case of a commonly used scaffold plate, the hook is provided at the longitudinal end of the scaffold plate 70 so as to be hooked on the horizontal rail 53 of the support frame 50.

The reinforcing member 80 is, as shown in FIG.
It is composed of a brace 81 and a handrail 82, and has the same configuration as a commonly used steel brace and handrail. As shown in FIGS. 9 and 10, the mounting is performed by bending the central portion to form a U-shape, and the guide rail 21 and the support frame 5
And a hook 83b fixed to both side edges of the holding piece 83a. The guide rail 21, the vertical bars 52a, 5b of the support frame 50 are formed.
Hook 83 fixed to 2b by appropriate fixing means
This is performed by hooking both ends of the brace 81 and the handrail 82 on the hook 83b. Brace 81, handrail 82
In both cases, a plurality of types are prepared according to the type of length of the scaffold plate 70.

A hook 83 fixed to the guide rail 21
As shown in FIG. 10, the holding portion 83a is formed along the peripheral wall of the guide rail 21 so as to fit the guide rail 21, so that the opening 21a of the guide rail 21 is formed.
Is prevented from opening due to sliding of the vertical rail 52a of the support frame 50.

As shown in FIGS. 1 and 6, the anti-sway member 90 is provided on one side of a detachable portion 91 which is detachably provided on the horizontal rail 53 at the lower end of the support frame 50, and at one end thereof, a third abutment plate. 92
The support rod 93 provided with
The abutment plate 92 abuts the outer wall W to prevent the support frame 50 from swinging laterally during work due to a frictional force generated between the outer wall W surface and the abutment surface of the third abutment plate 92. Has become. The attachment / detachment portion 91 may be a generally used clamp, and is not particularly limited as long as it can be detachably provided on the horizontal rail 53.

Hereinafter, a method of using the suspension scaffold according to the present embodiment will be described. First, as shown in FIG. 1, the hook 23 of the guide member 20 is hooked on the parapet P of the building,
While the hanging attachment 23 is carried on the base attachment 30 on the roof, the handle 44 of the fixing jack 40 tied to the base attachment 30 is rotated,
By pressing the first backing plate 22 of the guide member 20 against the parapet P and sandwiching the parapet P between the second backing plate 42 of the fixing jack 40 and the first backing plate 22 of the guide member 20, The guide member 20 is suspended from the parapet P at a predetermined interval.

After the guide member 20 is suspended, the guide member 2
The scaffolding plate 70 is erected between the horizontal parts 23a of the hooking device 23 of No. 0. Then, as shown in FIGS.
The vertical bar 52a of the small support frame 51 is inserted into the guide rail 21 of the guide rail 21, and the supporting member 60 provided on the guide member 20 is rotated to carry the supporting piece 62 of the supporting member 60 to the guide rail 2.
The horizontal support 53 at a predetermined height of the inserted support frame 50 is supported by the support pieces 62, and the small support frame 51 is temporarily fixed to the guide member. Thereby, the small support frame 51
Is temporarily fixed to the guide member at a predetermined height position,
The connection of the small support frame 51 can be performed by one person.

After temporarily fixing the small support frame 51 to the guide member 20 and connecting the other small support frames 51, the support member 60 is rotated again to release the support piece 62 from being hooked on the guide rail 21. Then, the small support frame 51 is lowered. Then, the supporting member 60 is further rotated again to move the supporting piece 62 to the guide rail 2.
1, the crosspiece 53 at a predetermined height of the other small support frame 51 is supported on the support piece 62, and the two connected small support frames 51 are temporarily fixed to the guide member 20. . By repeating this operation, the small support frames 51 are connected to form the support frame 50 until the lowermost small support frame 51 reaches the predetermined height position. Thereafter, the support member 60 is rotated again to cause the support pieces 62 to be hooked on the guide rails 21, and the guide members 20 and the respective support frames 50 are tightly fastened by a string or the like, thereby performing the final fastening.

At this time, the small support frame 51 to be lowered first
As shown in FIG. 11, a scaffold plate 70 is previously erected on the horizontal beam 53 at the lower end of the two small strut frames 51, and the two beams are sequentially lowered simultaneously with the reinforcing member 80 attached to the vertical beam 52b. ,
After the support frame 50 is suspended, the guide rail 21, the vertical rail 52a
The guide piece 21 and the vertical rail 5
The reinforcing member 80 is attached between 2a.

The scaffolding plate 70 is sequentially erected on the adjacent support frame 50 from the scaffolding plate 70 erected first, and the reinforcing member 80 is interposed between the guide rail 21 and the vertical bars 52a, 52b.
Install. Finally, the anti-swing member 90 is attached to the horizontal rail 53 at the lower end of the outer support frame 50, and the third backing plate 92 is attached to the outer wall W.
Then, the suspension scaffold 10 is suspended along the outer wall W as shown in FIG.

Naturally, it is not necessary to provide the suspension scaffolding 10 on the entire outer wall W, and the suspension scaffolding 10 can be provided by adjusting the number of suspensions of the guide member 20 and the support frame 50 according to the maintenance range. .

At the time of maintenance that generates dust and the like,
As shown in FIG. 13, the scattering prevention sheet 100 is
It is installed outside the zero to prevent scattering of dust.

[0040]

As described above, according to the first aspect of the present invention,
Has a guide rail which is a tube having a substantially C-shaped cross section, and a substantially inverted L-shaped hook attached to a vicinity of an upper end of a back surface opposite to the opening of the guide rail. A plurality of guide members suspended from the parapet at predetermined intervals, a base attachment placed on a rooftop floor of a building and supporting the guide member at a desired height position, and fixed to the base attachment The guide member is pressed by the outer wall and fixed to the parapet, a fixing jack, a vertical rail slidably inserted into the guide member, and the guide member provided by the guide member. The support member fixed to a desired height position of the guide member, a scaffolding plate erected between the adjacent support frames, and Guy It is connected to rails and support frames and is made of reinforcing members that resist horizontal forces.It is hung from the building parapet along the outer wall, so maintenance can be performed even on narrow spaces with narrow gaps between adjacent buildings. There is an advantage that the scaffold can be reliably and simply installed on the outer wall of the building to be built. Further, since the support frame is hung along the outer wall to form a suspension scaffold, there is an advantage that it is not necessary to secure a space for assembling the scaffold on a front road or the like. Furthermore, unlike the case of using an aerial work vehicle, the work range is not limited, and the aerial work vehicle does not stay on the front road, so that there is an advantage that it does not disturb the neighborhood. .

According to the second aspect of the present invention, the first abutment plate is provided on the back surface opposite to the opening of the guide rail so as to be orthogonal to the axial direction of the guide rail and abut against the outer wall. Is provided, there is an advantage that the guide member can be hung from the parapet along the outer wall without damaging or soiling the outer wall.

According to the third aspect of the present invention, the base attachment is fixed to a base mounted on a rooftop floor, a support standing on the base, and inserted through the support. A frame, a meshing member provided in the frame and inserted into the column to mesh with the column, an urging member for urging the meshing member upward, and a clamp fixed to the frame. Since the strut is characterized by being erected so as to be tiltable with respect to the base, when the roof floor surface on which the base is mounted is inclined with respect to the horizontal plane due to drainage gradient or the like. Even so, since the support can be made upright with respect to the horizontal plane, the hanging tool inserted into the support can be supported vertically by the frame, and the guide rail can be suspended substantially parallel to the outer wall. There are advantages.

According to the hanging scaffold of the fourth aspect, the fixing jack is provided with a horizontal bar slidably provided on the base attachment, and screwed to both ends of the horizontal bar, and the parapet is connected to one end of the horizontal bar. A jack bolt having a second abutment plate abutting against the rising surface of the jack, and a handle screwed to each of the jack bolts, so that the guide member presses the outer wall so that the guide member presses the outer wall. Since the parapet is sandwiched between the second backing plate, there is an advantage that the guide member can be securely fixed to the parapet.

According to the fifth aspect of the present invention, the support frame is formed by connecting a plurality of support frames in series.
At the end of each vertical bar of one of the support frames, a convex or concave portion having an insertion hole formed in a direction perpendicular to the axis is provided, and at the end of each vertical bar of the other support frame, a shaft is provided. A concave portion or a convex portion having an insertion hole formed in a direction perpendicular to the direction in which the support frame is connected by inserting a stopper into the fitted convex portion and the insertion hole of the concave portion. Therefore, the length of the small support frame can be set to a desired length unit, so that there is an advantage that transportation is convenient and insertion into the guide rail is easy. In addition, by fitting a convex portion or a concave portion provided at the end of each vertical bar of the small column frame with a concave portion or a convex portion provided at the end of each vertical column of the other column frame, the small column is formed. Since the frames are connected, there is an advantage that the connection of the small support frames is easy.

According to a sixth aspect of the present invention, the support member is provided near the opening of the guide rail so that the longitudinal direction of the guide rail and the axial direction thereof are parallel to each other and rotatable in the circumferential direction. Since it is characterized by comprising a rotating rod provided and a supporting piece protruding in a direction perpendicular to the axis on the side of the rotating rod, the small support frame can be temporarily fixed to the guide member. There is an advantage that the small support frames can be easily connected without requiring any manpower.

According to the hanging scaffold of the present invention, the reinforcing member is hooked on a hook piece, and the hook piece is bent at a central portion thereof and is provided with the guide. Since the rail and the vertical frame of the support frame are sandwiched by the holding portion and the hooks fixed to both edges of the holding piece, even when the distance between the outer wall, the guide rail, and the vertical bar is extremely narrow, the hook Does not come into contact with the outer wall, so that there is an advantage that the reinforcing member can be securely attached.

According to the suspension scaffold of the eighth aspect, the horizontal rail near the lower end of the support frame is provided with a detachable portion which is detachably fixed to the horizontal rail, and one end of which is fixed to the detachable portion. Is provided with a support rod provided with a third backing plate that comes into contact with the outer wall, so that a frictional force is generated on the contact surface between the outer wall surface and the third backing plate. Further, there is an advantage that it is possible to prevent the support frame from swaying in the lateral direction during the operation, and to ensure the safety in the operation.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a schematic configuration of a hanging scaffold according to an embodiment of the present invention as viewed from the roof side.

FIG. 2 is a perspective view illustrating a schematic configuration of a guide member and a supporting member.

FIG. 3 is a perspective view showing a schematic configuration of a base attachment and a fixing jack.

FIG. 4 is a perspective view showing an example of the present embodiment.

FIG. 5 is a perspective view showing an example of the present embodiment.

FIG. 6 is a perspective view showing a schematic configuration of a small support frame.

FIG. 7 is a perspective view showing a schematic configuration of a support frame.

FIG. 8 is a view showing connection of a support frame.

FIG. 9 is a perspective view showing a hanging piece.

FIG. 10 is a perspective view showing a retaining piece.

FIG. 11 is a perspective view showing an example of the present embodiment.

FIG. 12 is a perspective view showing a schematic configuration as viewed from the outer wall side of the suspension scaffold according to the embodiment of the present invention.

FIG. 13 is a perspective view showing the suspension scaffold in a state where a scattering prevention sheet is stretched outside the suspension scaffold.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Suspension scaffolding 20 Guide member 21 Guide rail 22 First backing plate 23 Hanging tool 30 Base attachment 31 Base 32 Support post 33 Frame 34 Mesh member 35 Urging member 36 Clamp 40 Fixing jack 41 Horizontal bar 42 Second backing Plate 43 Jack bolt 44 Handle 50 Post frame 52a, 52b Vertical beam 53 Horizontal beam 60 Supporting member 70 Scaffolding plate 80 Reinforcement member 90 Sway prevention member F Roof floor P Parapet W Outer wall

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Tatsuo Muto 1-88, Oyodonaka, Kita-ku, Osaka-shi Inside Sekisui House Co., Ltd. (72) Yuichi Ariyoshi 1-1-88, Oyodonaka, Kita-ku, Osaka-shi No. Sekisui House Co., Ltd. (72) Inventor Eiji Fujimoto 1-19-10 Mizumachi-cho, Amagasaki F-term (reference) 2E003 EA02 EB02

Claims (8)

[Claims] 1. A hanging scaffold suspended from a parapet of a building along an outer wall, the guide rail being a tube having a substantially C-shaped cross section, and a guide rail near an upper end of a back surface opposite to an opening of the guide rail. A plurality of guide members suspended from the parapet at predetermined intervals, and a plurality of guide members suspended on a rooftop floor of a building; A base attachment carried at a height position, a fixing jack fixed to the base attachment, pressing the guide member against the outer wall and fixing the guide member to the parapet, and slidably inserted into the guide member. A vertical frame and a horizontal frame supported on the guide member by a support member provided on the guide member are combined in a rectangular shape, and a support frame fixed to a desired height position of the guide member And a scaffold plate erected between the adjacent support frames, and a reinforcing member connected to the adjacent guide rails and the support frames and resisting horizontal force. 2. A first backing plate is provided on a back surface opposite to the opening of the guide rail so as to be orthogonal to the axial direction of the guide rail and to contact the outer wall. Item 4. The hanging scaffold according to Item 1. 3. The base attachment is provided in a base placed on a rooftop floor, a support standing upright on the base, a frame inserted through and fixed to the support, and a base attached to the base. A meshing member inserted into the column and meshing with the column, a biasing member for biasing the meshing member upward, and a clamp fixed to the frame body, and the column is fixed to the base. The hanging scaffold according to claim 1, wherein the hanging scaffold is vertically erected. 4. The fixing jack comprises: a horizontal bar slidably provided on the base attachment; and a second abutment screwed to both ends of the horizontal bar, and one end of which is in contact with a rising surface of the parapet. The suspension scaffold according to claim 1, comprising a jack bolt having a plate and a handle screwed to each jack bolt. 5. The support frame is formed by connecting a plurality of support frames in series, and an insertion hole is formed at an end of each of the vertical bars of one of the support frames in a direction perpendicular to the axis. A convex portion or a concave portion is provided, and a concave portion or a convex portion in which an insertion hole is formed in a direction orthogonal to the axis is provided at an end of each vertical bar of the other support frame, and the fitted convex portion is provided. The suspension scaffold according to claim 1, wherein a stopper is inserted into the insertion hole of the recess, and the support frame is connected. 6. A rotating rod provided in the vicinity of an opening of the guide rail so that a longitudinal direction of the guide rail and an axial direction of the guide rail are parallel to each other and rotatable in a circumferential direction. The suspension scaffold according to claim 1, comprising a support piece protruding laterally in a direction orthogonal to the axis. 7. The reinforcing member is hung on a hook, and the center of the hook is bent,
The hanging scaffold according to claim 1, comprising a holding portion for holding the vertical rail of the guide rail and the support frame, and a hook fixed to both edges of the holding piece. 8. A horizontal rail near a lower end of the support frame, a detachable portion detachably fixed to the horizontal rail, and a third abutment fixed to the detachable portion and having one end contacting the outer wall. The suspension scaffold according to claim 1, further comprising a swing prevention member including a support rod provided with a plate.