JP3439196B2 - Hanging scaffold - Google Patents

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 installation of a scaffold for maintenance and simplifies installation work in a narrow area where a gap between adjacent buildings is narrow.

[0002]

2. Description of the Prior Art When cleaning, inspecting, repairing, or replacing members on the outer wall of a building such as a house, a single scaffold, a main scaffold such as a frame scaffold, or a scaffold, one scaffold, a bracket scaffold, etc. I was working by assembling one side scaffolding such as side scaffolding. In addition, when performing maintenance on only a part of the outer wall, work was performed by a work platform for high places.

[0003]

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

On the other hand, when an aerial work vehicle is used, the worker carries out the work while riding on a workbench, which causes a problem that the work range is limited. In addition, there is a problem that an aerial work vehicle will be permanently stationed on the front road, which will be a nuisance to the neighborhood.

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

[0006]

The suspension scaffold according to claim 1 of the present invention made to achieve the above object has a guide rail which is a tubular body having a substantially C-shaped cross section, and an opening of the guide rail. A plurality of guide members, each of which has a substantially inverted L-shaped hanging member fixed near the upper end of the back surface on the opposite side, is hung on the parapet at predetermined intervals, and is mounted on the rooftop of the building. A base attachment that is placed and carries the guide member at a desired height position; a fixing jack that is fixed to the base attachment and presses the guide member against the outer wall to fix the guide member to the parapet; The vertical rail slidably inserted in the guide and the horizontal rail carried by the guide member by the carrying member provided on the guide member are combined in a rectangular shape, and the desired height of the guide member is set. And a scaffold plate installed between the adjacent support frames, and a reinforcing member that is connected to the adjacent guide rails and the support frame and that resists horizontal force. Is.

According to a second aspect of the present invention, in the hanging scaffold according to the first aspect, the back surface of the hanging rail opposite to the opening of the guide rail is orthogonal to the axial direction of the guide rail and is in contact with the outer wall. It is characterized in that a first pad plate is provided so as to be in contact therewith.

A suspension scaffold according to a third aspect is the suspension scaffold according to the first aspect, in which the base attachment is a base mounted on a rooftop floor, and a pillar erected on the base.
A frame body inserted into and fixed to the support column; a meshing member that is provided in the frame body and is inserted into the support column to mesh the support column; and a biasing member that biases the meshing member upward. It is characterized in that it comprises a clamp fixed to the frame body, and the pillar is erected upright with respect to the base.

According to a fourth aspect of the present invention, there is provided the suspension scaffolding according to the first aspect, wherein the fixing jack has a horizontal bar slidably provided on the base attachment and both ends of the horizontal bar are screwed. And a jack bolt having a second contact plate that abuts against the rising surface of the parapet at one end thereof, and a handle screwed to each jack bolt. To do.

A suspension scaffold according to a fifth aspect is the suspension scaffold according to the first aspect, in which the support frame is formed by connecting a plurality of support frames in series, and one of the support frames is a vertical rail. Is provided with a convex portion or a concave portion in which an insertion hole is formed in a direction orthogonal to the axis, and an insertion hole is provided in an end portion of each vertical bar of the other support frame in a direction orthogonal to the axis. The formed concave portion or convex portion is provided, and the fitted convex portion,
The stopper is inserted into the insertion hole of the recess to connect the support frame.

According to a sixth aspect of the present invention, there is provided the hanging scaffolding according to the first aspect, wherein the carrying member is provided in the vicinity of the opening of the guide rail such that the longitudinal direction of the guide rail and its axial direction are parallel to each other. It is characterized in that it comprises a rotating rod rotatably provided in the circumferential direction and a carrying piece projecting laterally of the rotating rod in a direction orthogonal to the axis.

A suspension scaffold according to a seventh aspect is the suspension scaffold according to the first aspect, wherein the reinforcing member is hooked on a hooking piece, and the hooking piece has a central portion. Is bent, and is composed of a sandwiching portion in which the guide rail and the vertical rail of the support frame are sandwiched, and a hook secured to both edges of the sandwiching piece.

The suspension scaffold according to claim 8 is the suspension scaffold according to claim 1, wherein a detachable portion removably fixed to the cross rail is provided on a cross rail near the lower end of the support frame. A swing preventing member is provided, which is fixed to the attaching / detaching portion and has a support rod provided with a third contact plate that is in contact with the outer wall at one end thereof.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the suspension scaffolding 10 according to the present embodiment has a schematic configuration in which a plurality of guide members 20 are suspended from a parapet P of a building along an outer wall W.
And the guide member 20 placed on the rooftop floor F of the building.
Base attachment 30 for supporting the workpiece 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, and the support frame A carrying member 60 provided on the guide member 20 for fixing the 50 at a desired height position, a scaffolding plate 70 installed between the adjacent column frames 50, the adjacent guide member 20 and the column. Frame 5
It comprises a reinforcing member 80 connected to 0 and a shake preventing member 90 which is detachably fixed near the lower end of the column frame 50 and comes into contact with the outer wall W. The details will be described below.

As shown in FIG. 2, the guide member 20 is in contact with an outer wall W on a guide rail 21 which is a tubular body having a substantially C-shaped cross section, and a rear surface 21b of the guide rail 21 opposite to the opening 21a. The backing plate 22 of No. 1 is the guide rail 21.
Is provided so as to be orthogonal to the axial direction of the guide rail 21, and an inverted L-shaped hanging member 23 is fixed near 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 is formed.

The first contact plate 22 is provided with an abutting portion 22b that abuts against the outer wall W at the tip of the support rod 22a, and there are two places on the back surface 21b of the guide rail 21 at the upper portion and the lower portion. It is provided in. The distance between the outer wall W of the building and the suspension scaffolding 10 is set by the length of the support bar 22a, and thus is set in consideration of the width of the gap between adjacent buildings and the protruding width of the window canopy.

The length of the horizontal portion 23a of the hanging device 23 is
As shown in FIG. 1, since the scaffolding plate 70 is installed between the horizontal portions 23a of the adjacent hanging members 23, the scaffolding plate 70
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 device 23, the length is set in consideration of the insertion length.

As shown in FIG. 3, the base attachment 30 includes a base 31 placed on a rooftop floor F, a support column 32 rotatably joined to the support base 31 and an upright support column 32. Frame body 3 having a substantially U-shaped cross section, which is inserted into and fixed to the frame 3
3 and an insertion hole 34a provided in the frame 33 for inserting the support column 32, and with the support column 32 inserted into the insertion hole 34a, the frame body 33 is inclined at a predetermined angle. Then, the periphery of the insertion hole 34a is provided between the meshing member 34 that meshes with the support column 32, and the lateral plate 34b of the meshing member 34 and the bottom plate 33a of the frame body 33 so that the support column 32 is inserted, and the meshing is performed. A spring 35 that is a biasing member that biases the member 34 upward, a clamp 36 that is fixed to the back plate 33b of the frame body 33 and that allows the horizontal bar 41 of the fixing jack 40 to pass therethrough, and an upper plate of the frame body 33. It is composed of a pair of sandwiching members 37 that are fixed to 33c and sandwich the lower end of the hanging device 23 to prevent the guide member 20 from wobbling. The base 31 and the columns 32
Is rotatably joined by a hinge or the like, so even if the rooftop 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 stand upright. The hanging tool 23 inserted in the support column 32 is the frame 3
The guide rail 21 is hung vertically in parallel with the outer wall W, and is hung vertically in parallel with the outer wall W.

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

With the base attachment 30 and the fixing jack 40 thus constructed, as shown in FIG. 3, first, the horizontal bar 41 is tightly connected to the clamp 36, and the horizontal plate 34a is pressed to engage the engaging member. The guide member 20 is attached to the upper plate 33c of the base attachment 30 in a state in which the meshing of the 34 with the support column 32 is released, and
Insert into the column 20 until the lower end of 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 support column 32, and the second contact plate 42 is brought into contact with the rising surface of the parapet P, so that the first contact plate 22 of the guide member 20 presses the outer wall W. Rotate the handle 44 of the 40 for the first
By sandwiching the parapet P between the pad plate 22 and the second pad plate 42, the guide member 20 is
Fixed to. At this time, since the horizontal bar 41 is slidably mounted on 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 pillar frame 50 is made up of small pillar frames 51 connected in series. As shown in FIG. 7, the small pillar frame 51 has vertical bars 52a and 52b and horizontal bars 53. And are combined in a rectangle. One of the vertical bars 52a has a rectangular cross-sectional shape that is substantially the same as the inner dimension of the guide rail 21, and a convex bar 54 is fixed to the side surface of the upper end facing the other vertical bar 52b and the lower end thereof. A first concave tube 55 is fixed to the side surface of the other vertical rail 52b facing the other. The other vertical bar 52b is a circular steel pipe, and an extension portion 56 is formed at the upper end of the vertical bar 52b by extending the vertical bar 52b upward by a predetermined length, and at the lower end of the vertical bar 52b,
The second concave tube 57 is fixed on the shaft of the vertical bar 52b.
In addition, the convex bar 54 of the one vertical bar 52a and the first concave tube 5
5, the extending portion 56 of the other vertical bar 52b and the second concave tube 57
A pin hole 58 is provided at each predetermined height position.

The lengths of the vertical rails 52a and 52b of the small column frame 51 are arbitrarily determined, but it is preferable to set the length to the same level as that of the vertical rails generally used for frame scaffolding and the like, and the guide rail 2
In order to securely and slidably support the small column frame 51 inserted into the first column 1, the length of the guide rail 21 is the same as or longer than the length of the vertical bars 52a and 52b of the small column frame 51. Is preferred.

As shown in FIG. 8, the connection of the small strut frame 51 thus constructed is carried out by the carrying member 60 to the convex rod 54 of the vertical bar 52a of the small strut frame 51 temporarily fixed to the guide rail 21. The first concave tube 55 of the connecting vertical rail 52a is in contact with the upper end of the vertical rail 52a temporarily fixed to the guide rail 21, the lower end of the connecting vertical rail 52a is in contact, and the respective insertion holes 58 are substantially aligned. Inserted hole 5 in the fitted state until
This is performed by inserting the pin 59 into the pin 8.

In the present embodiment, the connection of the small column frame 51 is performed by fitting the first concave pipe 55 and the second concave pipe 57 into the convex rod 54 and the extending portion 56, respectively, and then inserting the pin. Although it is performed by inserting the pin 59 into the pin hole 58, the invention is not limited to this, and the small column frame 51 may be connected without hindering the sliding.

The pillar frame 50 provided along the outer wall
Among them, as shown in FIG. 6, the pillar frame 50, which is first hung and is hung on the outermost side, increases the number of the horizontal rails 53 and narrows the installation interval for the worker to move up and down. It is used as a ladder frame 50a. The installation interval of the horizontal rails 53 at this time is not particularly limited, but is preferably about 30 cm to 35 cm in consideration of workability and workability.

The carrying member 60, as shown in FIG.
It is provided at the side end of the guide rail 21 on the side of the opening 21a,
A rotary 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 are rotatable in the circumferential direction, and the rotary rod 61 is laterally orthogonal to the axis. A carrying piece 62 projects in the direction and is held by the guide rail 21 by a pipe portion 63 provided with the guide rail 21.

Since a handle 64 bent in a direction perpendicular to the axial direction is formed on the upper end of the rotating rod 61, an operator grips the handle 64 and holds the carrying piece 62.
The stopper 65 provided on the side edge of the guide rail 21
The rotating rod 61 is rotated until it is hooked on the guide rail 21. At this time, by hooking the stopper 65 on the guide rail 21,
The supporting piece 62 is prevented from being released from the temporary support of the small column frame 51 by rotating the supporting piece 62 back due to the blowing of wind.

As shown in FIG. 8, the vertical member 52a of the small column frame 51 is inserted into the guide rail 21 by the carrying member 60 thus constructed, and the handle 64 is gripped to rotate the rotary rod 61. After the supporting piece 62 is hooked on the guide rail 21 to close the opening 21a of the guide rail 21, the supporting piece 62 is caused to carry the horizontal rail 53 of the small column frame 51. Rail 21
Will be temporarily fastened to.

The scaffold plate 70 has the same structure as a commonly used steel scaffold plate. However, in the present embodiment, considering that the suspension scaffolding 10 is provided on a narrow land, the width of the scaffolding board 70 is shortened to be about 12 cm to 35 cm as compared with the width of a scaffolding board that is generally used. There is. Further, in order to cope with maintenance in various ranges, a plurality of types of scaffolding boards 70 having a length of about 50 cm to 200 cm are prepared, and the scaffolding board 70 is properly used depending on the range of maintenance. In that erection,
Similar to a commonly used scaffolding plate, this is performed by hooking a hook provided at an end portion of the scaffolding plate 70 in the longitudinal direction on the horizontal rail 53 of the column frame 50.

The reinforcing member 80, as shown in FIG.
It consists of brace 81 and handrail 82, and has the same structure as a commonly used steel brace and handrail. As shown in FIGS. 9 and 10, the attachment is made by bending the central portion into a U-shape, and the guide rail 21 and the support frame 5
The vertical rails 52a, 5b of the support frame 50 are composed of a holding portion 83a for holding the vertical rails 52a, 52b of 0 and hooks 83b fixed to both side edges of the holding piece 83a.
Hooking piece 83 fixedly fixed to 2b by a suitable fixing means
It is performed by hooking both ends of the brace 81 and the handrail 82 on the hook 83b of the. Brace 81, handrail 82
In each case, a plurality of types of scaffolding boards 70 are prepared according to the type of length.

A hook 83 fixed to the guide rail 21.
As shown in FIG. 10, the holding portion 83 a of the guide rail 21 has a shape along the peripheral wall of the guide rail 21 so that the guide rail 21 is fitted thereinto.
Is prevented from opening due to the sliding of the vertical bar 52a of the column frame 50.

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

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

After suspending the guide member 20, the guide member 2
The scaffolding board 70 is installed between the horizontal portions 23a of the hooking tool 23 of 0. Then, as shown in FIGS. 2 and 8, the guide member 20
The vertical rail 52a of the small column frame 51 is inserted into the guide rail 21 of the above, and the carrying member 60 provided on the guide member 20 is rotated to move the carrying piece 62 of the carrying member 60 into the guide rail 2.
The horizontal strut 53 at a predetermined height position of the inserted column frame 50 is carried on the carrying piece 62, and the small column frame 51 is temporarily fixed to the guide member. As a result, the small support frame 51
However, since it is temporarily fixed to the guide member at a predetermined height position,
The small pillar frame 51 can be connected by one person.

The small supporting frame 51 is temporarily fastened to the guide member 20, and after connecting the other small supporting frames 51, the carrying member 60 is rotated again to release the hanging of the carrying piece 62 on the guide rail 21. , The small column frame 51 is lowered. Then, the supporting member 60 is rotated again to move the supporting piece 62 to the guide rail 2
1 and the horizontal bar 53 at a predetermined height position of the other small prop frame 51 is carried on the carrying piece 62, and the two connected small prop frames 51 are temporarily fastened to the guide member 20. . By repeating this operation, the small pillar frames 51 are connected to form the pillar frame 50 until the lowermost small pillar frame 51 reaches a predetermined height position. After that, the carrying member 60 is rotated again to hang the carrying piece 62 on the guide rail 21, and the guide members 20 and the column frames 50 are tightly connected with each other by a string or the like, so that the main fastening is performed.

At this time, the small column frame 51 to be lowered first
As shown in FIG. 11, the scaffolding plate 70 is previously installed on the horizontal rail 53 at the lower end of the two small column frames 51, and the reinforcing members 80 are attached to the vertical rails 52b. ,
After suspending the support frame 50, the guide rail 21 and the vertical rail 52a
By fixing the latching piece 83 to the guide rail 21, the vertical rail 5
The reinforcing member 80 is attached between the 2a.

The scaffolding plate 70 is first erected, and the scaffolding plate 70 is sequentially erected on the adjacent column frame 50, and the reinforcing member 80 is provided between the guide rail 21 and the vertical rails 52a and 52b.
Install. Finally, the shake prevention member 90 is attached to the horizontal rail 53 at the lower end of the outer support frame 50, and the third pad plate 92 is attached to the outer wall W.
And is fixed thereto, and the suspension scaffolding 10 is suspended along the outer wall W as shown in FIG.

Of course, 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. .

During maintenance where dust or the like is generated,
As shown in FIG. 13, the scattering prevention sheet 100 is attached to the support frame 5
It is installed outside 0 to prevent dust scattering.

[0040]

As described above, according to the first aspect of the present invention.
The suspension scaffold described in (1) comprises a guide rail that is a tubular body having a substantially C-shaped cross section, and a substantially inverted L-shaped hooking device that is fixed near the upper end of the back surface opposite to the opening of the guide rail. , A plurality of guide members that are hung at predetermined intervals on the parapet, a base attachment that is placed on the rooftop of the building and carries the guide members at a desired height position, and is fixed to the base attachment Then, the fixing jack for pressing the guide member against the outer wall to fix it to the parapet, the vertical rail slidably inserted into the guide member, and the carrying member provided on the guide member for guiding the guide member. The cross rails carried by the members are combined in a rectangular shape, and the support frame fixed to a desired height position of the guide member, the scaffold plate installed between the adjacent support frames, and the adjoining Guy It is connected to rails and support frames, and consists of a reinforcing member that resists horizontal force, and is suspended from the building's parapets along the outer wall, so maintenance is possible even in small areas where the space between adjacent buildings is narrow. There is an advantage that a scaffold can be surely and easily installed on the outer wall of a building to be built. Further, since the supporting frame is suspended along the outer wall to form the suspended scaffold, there is an advantage that it is not necessary to secure a space for assembling the scaffold on the 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 is not resident on the front road, which is an advantage that it does not bother the neighborhood. .

According to the suspending scaffold of the second aspect, the first pad plate is provided on the back surface of the guide rail opposite to the opening, so as to be orthogonal to the axial direction of the guide rail and contact the outer wall. Is provided, there is an advantage that the guide member can be suspended from the parapet along the outer wall without damaging or soiling the outer wall.

According to the suspending scaffold of the third aspect, the base attachment is fixed to the base mounted on the rooftop floor, the support erected on the support, and the support attached to the support. A frame body, a meshing member that is provided in the frame body and is inserted into the column to mesh the column, a biasing member that biases the meshing member upward, and a clamp fixed to the frame body. It is characterized in that the pillar is erected so as to be tiltable with respect to the base, so that the rooftop floor on which the base is placed is inclined with respect to the horizontal plane due to a drainage gradient or the like. Even if there is, the pillar can stand upright with respect to the horizontal plane, so that the hanging tool inserted in the pillar can be carried vertically by the frame body and the guide rail can be suspended substantially parallel to the outer wall. There are advantages.

According to the suspension scaffold of the present invention, the fixing jack is slidably provided on the base attachment so as to be slidable on the base attachment, and is screwed to both ends of the transverse bar, and the parapet is attached to one end thereof. Since the jack bolt is provided with a second contact plate that comes into contact with the rising surface of the and the handle screwed to each of the jack bolts, the guide member and the guide member are pressed so as to press the outer wall. Since the parapet is sandwiched between the second pad and the second pad plate, there is an advantage that the guide member can be securely fixed to the parapet.

According to the suspending scaffold of the fifth aspect, the support frame is formed by connecting a plurality of support frames in series,
A protrusion or a recess having an insertion hole formed in a direction orthogonal to the axis is provided at an end of each vertical bar of one of the support frames, and an end of each vertical bar of the other support frame is provided with an axis of each of the vertical bars. It is characterized in that a concave portion or a convex portion having an insertion hole formed in a direction orthogonal to is provided, and a stopper is inserted through the insertion hole of the fitted convex portion or concave portion to connect the support frame. Therefore, the length of the small strut frame can be set in a desired length unit, which is advantageous in that it is convenient to carry and easy to insert into the guide rail. In addition, by fitting the convex portion or the concave portion provided at the end of each vertical bar of the small column frame with the concave portion or the convex portion provided at the end of each vertical bar of the other column frame, the small column Since the frames are connected, there is an advantage that the small support frames can be easily connected.

According to the sixth aspect of the present invention, the supporting 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 are rotatable in the circumferential direction. It is characterized in that it comprises a rotating rod and a carrying piece protruding laterally from the rotating rod in a direction orthogonal to the axis, so that the small column frame can be temporarily fastened to the guide member. However, there is an advantage that the small column frames can be easily connected without requiring manpower.

According to a seventh aspect of the present invention, the reinforcing member is hooked on a hooking piece, and the hooking piece is bent at a central portion thereof to form the guide. Since the rail and the vertical frame of the support frame are sandwiched by the sandwiching portion and the hooks fixed to both edges of the sandwiching piece, even if the distance between the outer wall, the guide rail, and the vertical strip is extremely small, the hook is formed. Since it does not contact the outer wall, there is an advantage that the reinforcing member can be securely attached.

According to the suspending scaffold of the present invention, an attaching / detaching portion detachably fixed to the horizontal rail and a first end of the attaching / detaching portion are attached to the horizontal rail near the lower end of the column frame. Since the shaking prevention member including the support rod provided with the third contact plate that contacts the outer wall is provided on the outer wall, a frictional force is generated between the outer wall surface and the contact surface of the third contact plate. There is an advantage that it is possible to prevent the support frame from swaying in the lateral direction at the time of work and ensure work safety.

[Brief description of drawings]

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

FIG. 2 is a perspective view showing a schematic configuration of a guide member and a carrying 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 column frame.

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

FIG. 8 is a view showing the connection of the support frames.

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

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

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

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

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

[Explanation of symbols]

10 suspended scaffolding 20 Guide member 21 Guide rail 22 First patch 23 Hanging fittings 30 base attachment 31 foundation 32 props 33 frame 34 Mating member 35 biasing member 36 clamps 40 fixing jack 41 horizontal bar 42 Second patch 43 jack bolt 44 handle 50 prop frame 52a, 52b Vertical bar 53 horizontal rail 60 carrying member 70 scaffolding board 80 Reinforcement member 90 Anti-shake member F roof floor P parapet W outer wall

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yuichi Ariyoshi 1-1-88 Oyodochu, Kita-ku, Osaka Inside Sekisui House Co., Ltd. (72) Eiji Fujimoto 1-19-10 Suidocho, Amagasaki (56 ) References JP-A-5-106336 (JP, A) Jitsukai HEI 7-29193 (JP, U) JP-B 2-59901 (JP, B2) (58) Fields investigated (Int.Cl. ⁷ , DB) Name) E04G 3/04-3/10

Claims (8)

(57) [Claims] 1. A suspension scaffold suspended from a parapet of a building along an outer wall, the guide rail being a tubular body having a substantially C-shaped cross section, and the vicinity of the upper end of the back surface opposite to the opening of the guide rail. A plurality of guide members, which are fixed to each other, are attached to the parapet at predetermined intervals, and the guide members are placed on the rooftop of the building, and the guide members are desired. At a height position, a fixing jack fixed to the base attachment and fixed to the parapet by pressing the guide member against the outer wall, and slidably inserted into the guide member. A column frame in which a vertical crosspiece and a horizontal crosspiece carried by the guide member by a carrying member provided on the guide member are combined in a rectangular shape, and fixed at a desired height position of the guide member. And a scaffold plate installed between the adjacent support frames, and a reinforcing member that is connected to the adjacent guide rails and support frames and resists horizontal force. 2. A first backing plate is provided on a back surface of the guide rail opposite to the opening thereof so as to be orthogonal to the axial direction of the guide rail and to come into contact with the outer wall. The hanging scaffold according to Item 1. 3. The base attachment is provided in the frame, a base placed on a rooftop floor, a pillar standing on the base, a frame body inserted and fixed to the pillar, and fixed to the frame body. And a support member that is inserted into the support together with the support to engage the support, an urging member that urges the support upward, and a clamp fixed to the frame. The suspended scaffold according to claim 1, wherein the suspension scaffold is erected so as to be tiltable. 4. The fixing jack is provided with a horizontal bar slidably provided on the base attachment, and a second pad that is screwed to both ends of the horizontal bar and has one end abutting against 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 vertical bar of one support frame in a direction orthogonal to an 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 portion of each vertical rail 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 to connect the support frame. 6. The supporting member includes a rotating rod provided in the vicinity of an opening of the guide rail so that the longitudinal direction of the guide rail and an axial direction thereof are parallel to each other, and the rotating rod is rotatable in a circumferential direction. The suspension scaffold according to claim 1, comprising a supporting piece that is provided laterally so as to project in a direction orthogonal to the axis. 7. The reinforcing member is hooked to a hooking piece, and the hooking piece has a central portion bent,
The hanging scaffold according to claim 1, comprising a sandwiching portion in which the guide rail and the vertical rail of the support frame are sandwiched, and hooks secured to both edges of the sandwiching piece. 8. A horizontal rail near the lower end of the support frame, a detachable portion detachably fixed to the horizontal rail, and a third pad fixed to the detachable portion and having one end abutting the outer wall. The suspension scaffolding according to claim 1, further comprising: a shake prevention member including a support rod provided with a plate.