JP4128308B2 - Mobile suspension scaffold device and suspension scaffold work method using the same - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mobile suspension scaffold device for performing maintenance work on a structure supported by a bridge pier, and more specifically, a movement that allows continuous work to pass through an opening of a bridge pier or a large column support leg. The present invention relates to a type suspension scaffold device.
[0002]
[Prior art]
Structures requiring maintenance work include elevated roads and viaducts.
For the maintenance work in these structures, a scaffold device is used, and as this scaffold device, a mobile suspended scaffold device has been generally known (for example, Japanese Patent Publication No. 5-54551).
[0003]
The mobile suspension scaffold device includes a plurality of (in general, a pair of left and right) hanger rails fixed to the lower surface side along the longitudinal direction of an elevated road or a railway viaduct, and longitudinally along these hanger rails. A plurality of movable suspension machines, a plurality of second suspension machines suspended by each suspension machine, and a plurality of guide rails suspended relative to each second suspension machine It is comprised with the scaffold deck etc. which can move to the left-right direction orthogonal to the said hanger rail. In this mobile suspension scaffold device, the scaffold deck suspended under the elevated road and the railway viaduct can be moved back and forth, and left and right, so that maintenance work such as the elevated road and the railway viaduct can be performed in the width and longitudinal directions. Can be done.
Here, the elevated road and the railway viaduct in which the mobile suspension scaffold is used are supported by a plurality of bridge piers arranged at predetermined intervals along the longitudinal direction, and each pier is generally an elevated road or railway. Although located within the width of the viaduct, each pier is provided with a relatively large opening.
[0004]
On the other hand, apart from the maintenance work, one of the structures is, for example, a dome-like playground. Such a structure is equipped with an arch-shaped large roof, and work may be performed on the lower surface of the roof, and the above-described mobile suspension scaffold device may be used for this work.
[0005]
In the case of large roofs, the work range is extremely wide compared to elevated roads and viaducts.
Therefore, when a mobile suspension field device for an elevated road, a viaduct, or the like is used, only the movement range along the guide rail of the structure is the work target range, so that work efficiency is poor.
In order to prevent such deterioration in work efficiency, a structure for turning the scaffold has also been proposed (for example, Japanese Patent Application Laid-Open No. 8-42133 related to the prior application of the present applicant).
[0006]
[Problems to be solved by the invention]
However, when working on a large roof using the scaffold apparatus having the structure shown in the above publication, there are the following problems.
That is, when the mobile suspension scaffold apparatus having the above-described structure is installed in a wide range of work places such as a large roof, it is necessary to lay a hanger rail for moving the mobile suspension scaffold apparatus. When the work is completed, the hanger rail is laid in the forward direction of the suspension scaffolding device. However, since such laying work is a separate work process from the work content on the large roof, the work time is reduced. It will become longer, which will be a factor that hinders work efficiency.
On the other hand, when working on a large roof, support legs are projected from the pedestal installed on the ground toward the inner surface of the roof, and the direction of the extension of the support legs is the mobile suspension. It may be set in a direction that traverses the moving direction of the scaffold device, that is, in a direction that traverses in the vertical direction when the suspended scaffold device moves in the horizontal direction and that interferes with the moving path of the suspended scaffold. .
FIG. 1 is a diagram of a structure for explaining an embodiment of the present invention. In FIG. 1, the support legs (indicated by reference numeral 1A for convenience) are attached to a pedestal portion 2 together with their base ends. The tip may protrude from the end in a direction along the ridgeline of the inverted triangular pyramid. Moreover, since the roof itself is also inclined, when the suspension scaffold device is swung between the support legs 1A, the scaffold deck interferes with the support legs and the roof and moves between the support legs 1A. I can't do that.
[0007]
The object of the present invention is to secure work areas in different directions without interfering with peripheral members in view of the problems in the above-mentioned conventional mobile scaffold device, particularly problems when trying to expand the work range. It is an object of the present invention to provide a mobile suspension scaffold device having a configuration capable of improving the efficiency and a suspension scaffold work method using the same.
[0008]
[Means for Solving the Problems]
In order to achieve this object, the invention according to claim 1 is bridged between a plurality of upper suspension machines suspended from suspension members suspended on the lower surface of the structure and the upper suspension machines. An upper stage scaffolding deck that is movable while meshing with the suspension machine is provided, and the upper stage scaffolding deck has a suspension machine that is movable along the longitudinal direction of the upper stage scaffolding deck separately from the upper stage suspension machine. The suspension machine is characterized in that a lower scaffold deck that is movable in a direction perpendicular to the longitudinal direction of the upper scaffold deck is suspended.
[0009]
According to a second aspect of the present invention, there is provided a suspension machine that suspends and holds the lower scaffold deck, a middle suspension machine that is movable along a longitudinal direction of the upper scaffold deck, and a direct attachment to the middle suspension machine . The lower stage suspension deck is provided with a lower stage suspension that is movable in a direction perpendicular to the longitudinal direction of the upper stage scaffolding deck while engaging with a rack provided on the upper surface of the lower stage scaffolding deck.
[0010]
According to a third aspect of the present invention, the upper stage scaffolding deck and the lower stage scaffolding deck are provided with stoppers respectively engageable with the upper stage suspension machine and the lower stage suspension machine at both longitudinal ends thereof. It is characterized by having a configuration that regulates the amount of movement.
[0011]
The invention according to claim 4 is a suspension scaffold work method using the mobile suspension scaffold device according to any one of claims 1 to 3, wherein an upper stage suspension machine is suspended and supported on a beam portion on the lower surface of the structure, and the upper stage suspension is supported. An upper stage scaffolding deck that is movable while meshing with the machine is provided, and an intermediate stage lifting machine that is movable in the longitudinal direction of the upper stage scaffolding deck on the lower surface of the upper stage scaffolding deck and a lower stage lifting machine that is directly attached thereto Provided is a lower scaffolding deck that can move in a direction perpendicular to the moving direction of the upper scaffolding deck, and the upper scaffolding deck is sequentially suspended and supported by the beam portion located in front of the moving direction. The lower stage scaffolding deck is supported so as to be movable in a direction perpendicular to the moving direction of the upper stage scaffolding deck at the moving position.
[0012]
According to a fifth aspect of the present invention, the upper scaffolding deck and the lower scaffolding deck are moved to a position where they do not interfere with the supporting part on the lower surface of the structure with respect to the supporting part located in the moving path of the upper scaffolding deck. Thus, it can move continuously toward the next work position.
[0013]
[Action]
The invention according to any one of claims 1 to 3 further includes a lower scaffolding deck movable in a longitudinal direction of the upper scaffolding deck and a direction perpendicular to the longitudinal direction on the lower surface of the upper scaffolding deck that is suspended and supported by the lower surface of the structure. Thus, a vertical and horizontal work range can be secured in plan view. Moreover, since the amount of movement is defined by a stopper that can be engaged with the suspension machine, it is possible to prevent a situation in which the suspension machine falls off and to provide a safe workplace.
[0014]
In the inventions according to claims 4 and 5, the upper stage scaffolding deck can be continuously suspended and supported by the beam part located on the lower surface of the structure to continuously move the upper stage scaffolding deck, Because the lower scaffold deck can be moved in the direction of the upper scaffold deck and the direction perpendicular to this direction with respect to the moved upper scaffold deck, it can be continuously vertically and horizontally in plan view without requiring additional work such as hanger rails. The range of work in the direction can be expanded.
[0015]
In the invention according to claim 5, even if there is a support portion interposed in the movement path of the upper scaffold deck in the structure, the upper scaffold deck is moved to a position where the interference with the support portion is broken and the upper work deck is moved to the next work position. Since the scaffold deck can be positioned, the same scaffold deck can be continuously positioned at the next work position without being divided in the middle.
[0016]
【Example】
The details of the present invention will be described below with reference to the illustrated embodiments.
FIG. 1 shows a part of a structure to which a mobile suspension scaffold according to an embodiment of the present invention is applied. The structure shown in FIG. 1 is a dome-like playground having an arch-shaped large roof.
In FIG. 1, a large roof 1 is constructed by inclining from the ground side, and a support leg 1 </ b> A whose base ends are collectively attached to a pedestal portion 2 installed on the ground side on the lower surface of the ground side. The tip is attached.
As described above, the support leg 1 </ b> A is arranged on the ridge line of the inverted triangular pyramid, and the tip thereof is fixed to the support beam 1 </ b> B of the large roof 1.
[0017]
At a plurality of locations in the laying direction of the support beam 1B, upper stage suspension machines 3 that are suspended and supported are provided.
As shown in FIG. 2, the upper stage suspension machine 3 is suspended and supported by a suspension member 4 such as a wire or a chain that is hooked on a flange 1B1 that forms the lower piece of the support beam 1B. Is provided.
In FIG. 3, the upper stage suspension machine 3 has a lower end of a suspension member 4 attached to a connecting pin 3B horizontally mounted in a casing 3A, and the casing 3A has a front, rear, left, right 4 supported rotatably. One flanged wheel 3C is provided.
The flanged wheel 3C can move along a guide rail portion 5A provided on the upper surface of an upper scaffold deck 5 described later, and the flange portion 3C1 derails by holding the rail portion 5A1 of the guide rail 5A. Is prevented.
As shown in FIG. 3, at least one of the upper stage suspension machines 3 includes a pinion wheel 3D that meshes with rack teeth 5A2 that are formed in a corrugated shape in a side view in the guide rail portion 5A. The driven gear 3F is fixed to the central shaft 3E. The driven gear 3F is engaged with a pinion gear 3H that is attached to a support shaft 3G1 of a drive handle 3G that is rotatably supported by a casing 3A and forms a reduction mechanism. Therefore, the driven gear 3F is interlocked by rotating the drive handle 3G, and the pinion wheel 3D is rotated via the speed reduction mechanism, so that the upper stage suspension machine 3 can travel along the guide rail 5A. The upper suspension machine 3 is locked at the travel position by inserting a lock pin 6 from an insertion hole 3A1 formed facing the rack teeth 5A2 of the guide rail 5A and locking one of the rack teeth 5A2. Done in
[0018]
As shown in FIG. 2, the upper scaffold deck 5 is composed of a guide rail portion 5A having a longitudinal direction between the support beams 1B, an upper edge having a T-shaped cross section, and a lower edge made of a pipe material 5B. As shown in FIG. 4, a pair of left and right truss beams 5C, and a large number of scaffolding plates 5D spread along the longitudinal direction of the truss beams 5C by being hung between the pipe members 5B on the lower edge via hooks 5D1. It has.
[0019]
A lower frame 7 having a downward T-shape integrated with the lower peripheral surface of the pipe material 5 </ b> B is provided at the lower edge of the upper scaffold deck 5 in parallel with the longitudinal direction of the upper scaffold deck 5.
In FIG. 5, a lower guide rail 9 having an inverted T-shaped cross section is suspended and supported on the lower frame 7 via a C-type vise 8 fixed to the flange, and the middle frame is suspended along the lower guide rail 9. A portable machine 10 is provided to be movable.
The middle stage suspension machine 10 has substantially the same structure as the upper stage suspension machine 3, and includes a casing 10A corresponding to the casing 3A and the flanged wheel 3C, and a flanged wheel 10C.
Here, among the middle stage suspension machines 10, at least one middle stage suspension machine 10 includes the pinion wheel 3D, the central shaft 3E, the driven gear 3F, the pinion gear 3H, the drive handle 3G, and the insertion hole in the upper stage suspension machine 3. A pinion wheel, a center shaft, a driven gear, a pinion gear, a drive handle, and an insertion hole (all not shown) corresponding to 3A1 are provided, and the upper stage scaffold deck 5 along the lower guide rail 9 by rotating the drive handle It moves in parallel with the longitudinal direction of. The details of the rack teeth 9A2 provided on the rail portion 9A1 of the lower guide rail 9 are shown in FIG.
[0020]
The middle stage suspension machine 10 has nothing equivalent to the connecting pin in the upper stage suspension machine 3, and instead, the lower stage suspension machine 11 is directly attached via a bracket 10B integrated on the lower surface of the casing 10A. It has been.
The lower stage suspension machine 11 includes a casing 11A having a longitudinal direction in a direction perpendicular to the movement direction of the middle stage suspension machine 10, in other words, a direction perpendicular to the movement direction of the upper stage suspension machine 3. A bracket 11 </ b> B provided on the upper surface of 11 </ b> A is directly integrated with the bracket 10 </ b> B of the middle stage suspension machine 10.
Inside the casing 11A, four front and rear flange wheels 11C are rotatably supported along the longitudinal direction of the casing 11A.
The flanged wheel 11C can move along a guide rail portion 12A provided on the upper surface of the lower scaffolding deck 12, which will be described later, and the flange portion 11C1 is detached by sandwiching the rail portion 12A1 of the guide rail portion 12A. Rings are prevented.
At least one of the lower suspension machines 11 includes a pinion that meshes with the rack teeth 12A2 that are formed in a corrugated shape in a side view in the guide rail portion 12A, as in the upper suspension machine 3 shown in FIG. A ring (not shown) is rotatably supported on the casing 11A via a central axis (not shown), and a driven gear (not shown) is fixed to the central axis. The driven gear is engaged with a pinion gear (not shown) which is attached to a support shaft (not shown) of a drive handle (not shown) rotatably supported by the casing 11A and forms a speed reduction mechanism. . Therefore, the driven gear is interlocked by rotating the drive handle, and the pinion wheel is rotated through the speed reduction mechanism, so that the lower suspension machine 11 can travel along the guide rail 12A. As in the case of the upper suspension machine 3 shown in FIG. 3, the lower suspension machine 11 is locked at the travel position through an insertion hole (not shown) formed facing the rack teeth 12A2 of the guide rail 12A. ) Through a lock pin (not shown) to lock one of the rack teeth 12A2.
[0021]
The lower scaffold deck 12 is composed of a guide rail portion 12A having a longitudinal direction in a direction perpendicular to the upper scaffold deck having a longitudinal direction between the support beams 1B, and an upper edge having a T-shaped cross section. The pair of left and right truss beams 12C formed of the pipe material 12B and the pipe material 12B on the lower edge are spanned via hooks (not shown) in the same manner as the configuration shown in FIG. And a large number of scaffolding plates (not shown) laid along the longitudinal direction.
As shown in FIG. 7, the lower scaffolding deck 12 has a longitudinal direction and a direction intersecting with the upper scaffolding deck 5 by allowing the lower suspension machine 11 to move in a direction perpendicular to the moving direction of the middle suspension machine 10. As shown in FIG. 8, the amount of movement in the width direction, which is a direction perpendicular to the longitudinal direction, of the upper scaffold deck 5 can be secured.
In the upper stage scaffolding deck 5 and the lower stage scaffolding deck 12, the upper stage suspension machines 3 and strict talks are provided in order to define the amount of movement of the suspension machines 3, 10, and 11 at both longitudinal ends of the rack teeth 5A2 and 12A2. Locking pieces (members indicated by reference numerals 5P and 12P in FIG. 7) formed by protrusions protruding in the moving path of the suspension machine 11 are provided, and the suspension machine abuts on the engagement pieces. In this way, further movement is regulated.
In FIG. 8, reference numerals 5E and 12D indicate handrails that can be raised and lowered.
[0022]
Since the present embodiment is configured as described above, as shown in FIG. 2, the upper suspension machine 3 is directly suspended from the support beam 1 </ b> B of the large roof 1. Without using rails, vertical and horizontal work areas can be secured in plan view in the moving direction of the upper scaffolding deck 5 and the moving direction of the lower scaffolding deck 12. As a result, work man-hours and work time can be shortened as much as it is not necessary to equip the hanger rails, and the area of the work range can be expanded in the vertical and horizontal directions. The working efficiency can be improved.
[0023]
Next, a scaffold work method using the scaffold device having the above-described configuration will be described.
9 is installed at a plurality of locations (in FIG. 1, positions (A), (B), (C), and (D)) along the inclination direction of the large roof 1 shown in FIG. FIG. 9 is a plan view of the scaffold device, and shows the length of the lower scaffold deck 12 in the Y direction with respect to the length of the upper scaffold deck 5 in the X direction (each length is shown by a screen tone in FIG. 9). ) The synergistic area becomes the work range at the unit position, and this work range is continuously obtained by moving the upper scaffold deck 5 in the X direction.
[0024]
When the upper scaffold deck 5 moves in the X direction, the procedure shown in FIGS. 10 and 11 is executed. In addition, it demonstrates on the assumption that the position shown with the code | symbol (A), (B), (C), (D) in a figure respond | corresponds to the position shown with the code | symbol A, B, C, D in FIG. .
That is, as shown in FIG. 10A, the mobile suspension scaffold device suspended by the crane 13 is placed between the adjacent support beams 1B (support beams at positions indicated by reference signs A and B in FIG. 10A). The upper suspension machine 3 is connected by a suspension member 4 that is positioned so as to correspond to and suspended from the support beam 1B. Accordingly, the movable suspension scaffolding device suspended between the support beams 1B can move in the longitudinal direction of the upper scaffolding deck 5 and the lower scaffolding deck 12 moves in a direction perpendicular to the moving direction as shown in FIG. Work area can be obtained. The position of the upper scaffold deck 5 at this time corresponds to the position indicated by reference numeral (10-a) in FIG.
Next, in FIG. 10B, when the upper scaffolding deck 5 is transferred from the support beam 1B at the position indicated by reference character B to the support beam 1B at a further adjacent position (position indicated by reference character C), The suspension member 4 is re-engaged with respect to the beam member 1B1 provided at the intermediate position of the support beam 1B at the positions indicated by A and B, and the suspension member 4 is removed from the support beam 1B at the position indicated by the symbol A. As a result, the rear end portion in the moving direction of the upper scaffold deck 5 is changed from the position indicated by the reference symbol A to the position indicated by the reference symbol D (see FIG. 10C), so that the upper scaffold deck 5 is in the direction indicated by the arrow. Can be moved to. The position of the upper scaffold deck 5 at this time corresponds to the position indicated by reference numeral (10-b) in FIG.
Further, in FIG. 10C, when the upper scaffold deck 5 is moved in the direction of the arrow in a state where the suspension member 4 is hooked on the beam member 1B1 at the position indicated by the symbol D, the leading end of the moving direction is moved to the crane 13. And is moved toward the support beam 1B at the position indicated by the symbol C. The position of the upper scaffold deck 5 at this time corresponds to the position indicated by the reference numeral (10-c) in FIG.
On the other hand, when the upper scaffolding deck 5 reaches the position corresponding to the support beam 1B at the position indicated by the reference C in FIG. 10D, the suspension member 4 is hung on the support beam 1B at the position indicated by the reference C. Work at that position. The position of the upper scaffold deck 5 at this position corresponds to the position indicated by the reference numeral (10-d) in FIG.
In this way, by successively changing the suspension support of the upper suspension machine 3 between the adjacent support beams 1B, it becomes possible to move the scaffold deck continuously, and the work area at each position can be set to the upper and lower scaffolds. It can be enlarged by moving the decks 5 and 12.
[0025]
On the other hand, the mobile suspension scaffold device arranged in the vicinity of the support leg 1A in FIG. 2 interferes with the support leg 11A when the lower scaffold deck 12 moves in a direction perpendicular to the paper surface shown in FIG. May be located at. Accordingly, in this embodiment, the lower scaffold deck 12 that may interfere may be placed in a position that does not interfere by moving in a direction perpendicular to the direction of movement of the upper scaffold deck 5, and is therefore related to the presence of the support leg 1 </ b> A. The upper stage scaffolding deck 5 can be moved continuously.
[0026]
【The invention's effect】
As apparent from the above description, according to the inventions of claims 1 to 3, the longitudinal direction of the upper scaffolding deck is perpendicular to the longitudinal direction and the longitudinal direction of the upper scaffolding deck, which is suspended and supported on the lower surface of the structure. By providing the lower scaffolding deck that can move in the direction, it is possible to secure a vertical and horizontal work range in plan view. Moreover, since the amount of movement is defined by a stopper that can be engaged with the suspension machine, it is possible to prevent a situation in which the suspension machine falls off and to provide a safe workplace. As a result, the work area can be expanded by expanding the work area by simply using the upper and lower scaffold decks that are directly supported by the structure. It becomes possible to expand and improve work efficiency,
[0027]
According to the inventions of claims 4 and 5, the upper scaffolding deck can be continuously suspended from and supported by the beam part located on the lower surface of the structure, so that the working range can be expanded by continuously moving the upper scaffolding deck. The lower scaffolding deck can be moved in the direction of movement of the upper scaffolding deck and the direction perpendicular to this direction with respect to the moved upper scaffolding deck, so that it does not require additional work such as hanger rails in plan view. In addition, the working range in the vertical and horizontal directions can be expanded.
[0028]
According to the fifth aspect of the present invention, even if there is a support portion interposed in the moving path of the upper scaffold deck in the structure, the upper scaffold deck is moved to a position where the interference with the support portion is torn and the next work position is moved. The upper scaffolding deck can be positioned at the same position, so that the same scaffolding deck can be continuously positioned at the next work position without being divided in the middle, thereby improving work efficiency. It becomes.
[Brief description of the drawings]
FIG. 1 is a side view of a structure showing an overall schematic structure of a mobile suspension scaffold according to an embodiment of the present invention.
FIG. 2 is a diagram showing an upper scaffolding deck and a lower scaffolding deck used in the mobile suspension scaffolding device installed in the structure shown in FIG.
FIG. 3 is a diagram for explaining a configuration of an upper stage lifting machine among the lifting machines used for moving the upper stage and lower stage scaffolding decks shown in FIG. 2;
4 is a perspective view showing a scaffold plate used for the upper scaffold deck shown in FIG. 2. FIG.
FIG. 5 is a diagram for explaining the configuration of a middle stage suspension machine and a lower stage suspension machine used for moving the lower stage scaffolding deck shown in FIG. 2;
6 is an arrow view in the direction indicated by reference numeral (6) in FIG.
7 is a plan view of the upper scaffolding deck and the lower scaffolding deck shown in FIG. 2. FIG.
8 is a side view for explaining the positional relationship between the upper and lower scaffolding decks and the lower surface of the structure shown in FIG. 2. FIG.
FIG. 9 is a plan view of a structure for explaining a moving state of the upper and lower scaffolding decks shown in FIG. 2;
FIG. 10 is a diagram for explaining a moving procedure of the upper and lower scaffolding decks shown in FIG. 2;
FIG. 11 is a plan view of a structure for explaining the positions of the upper and lower scaffolding decks for each movement procedure shown in FIG. 10;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Large roof which is one of the structures 1A Support leg 1B Support beam 1B1, 1B2 Beam member 3 Upper suspension machine 4 Suspension member 5 Upper stage scaffolding deck 5A Guide rail part 5A1 Rail part 5A2 Rack tooth 5C Truss beam 5D Scaffold board 7 Lower part Frame 9 Lower guide frame 10 Middle suspension machine 11 Lower suspension machine 12 Lower scaffolding deck 12A Guide rail part 12A1 Rail part 12A2 Rack teeth 13 Crane

Claims (5)

A plurality of upper stage suspension machines suspended on suspension members suspended on the lower surface of the structure;
An upper scaffolding deck that is bridged between the upper suspension machines and is movable while meshing with the suspension machines,
The upper scaffolding deck is provided with a suspension machine that is movable along the longitudinal direction of the upper scaffolding deck separately from the upper suspension machine on the lower surface, and the suspension machine has a longitudinal length of the upper scaffolding deck. A mobile suspension scaffold device, wherein a lower scaffolding deck that is movable in a direction perpendicular to the direction is suspended. Above the hung machine for having hanging lower scaffolding decks, a movable middle lifting machine in the longitudinal direction of the upper scaffold deck, directly provided et is the intermediate stage hung machine, the upper surface of the lower scaffold deck The mobile suspension scaffolding device according to claim 1, further comprising a lower suspension machine that is movable in a direction perpendicular to a longitudinal direction of the upper scaffolding deck while meshing with a rack provided on the suspension platform.   The upper stage scaffolding deck and the lower stage scaffolding deck are provided with stoppers that are respectively engageable with the upper stage lifting machine and the lower stage lifting machine at both ends in the longitudinal direction, and are configured to regulate the movement amount of each scaffolding deck. The mobile suspension scaffold according to claim 1 or 2, wherein A suspension scaffold work method using the mobile suspension scaffold device according to claim 1,
The upper suspension machine is suspended and supported on the beam part on the lower surface of the structure, and an upper scaffolding deck that can move while meshing with the upper suspension machine is provided,
It moves in the direction perpendicular to the moving direction of the upper scaffolding deck via the middle lifting machine that can move in the longitudinal direction of the upper scaffolding deck and the lower lifting machine that is directly attached to the lower scaffolding deck on the lower surface of the upper scaffolding deck A possible lower scaffolding deck,
The upper scaffolding deck is capable of moving forward with the upper suspension machine being suspended and supported sequentially by the beam portion located in front of the moving direction, and the upper scaffolding deck is moved to the upper stage at the moving position. Suspended scaffold work method using a mobile suspended scaffold device characterized by supporting the scaffold deck so as to be movable in a direction perpendicular to the moving direction of the scaffold deck.   The upper scaffolding deck and the lower scaffolding deck move continuously to the next work position after moving to a position where they do not interfere with the supporting part located in the moving path of the upper scaffolding deck on the lower surface of the structure. The suspension scaffold working method using the movable suspension scaffold device according to claim 4, wherein the suspension scaffold work method is characterized by being able to move.

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