JP2005299280A - Mobile scaffolding system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mobile scaffold system for suspending a temporary scaffold device mainly used for maintenance / maintenance / repair work for a high-rise structure such as an elevated road or a bridge.
A beam member 30 having an H-shaped cross-section, which is arranged along the length direction of the structure, and a beam member 30 installed below a place where maintenance, maintenance, repair work, etc. of the structure is performed. Working floor 50, a rail member 40 that can be continuously attached and detached along the lower surface of the beam member 30 by a worker on the work floor 50, and a rectangular scaffold that is constructed on the beam member 30 and the rail member 40. The panel 10 is lifted through the wire 61, the winch device 60 movable along the beam member 30 and the rail member 40 through the work floor 50, and the scaffold panel 10 conveyed by the winch device 60 are clamped 71 And a means for suspending the beam member 30 via the suspension chain 70 and a connecting means for connecting the adjacent scaffold panels 10 to each other, and performing maintenance, maintenance, repair work, etc. of the structure of The scaffold panel 10 is suspended from the entire lower surface to perform the work.
[Selection] Figure 6

Description

  The present invention relates to a mobile scaffold system, and more specifically, a temporary scaffold device used mainly for maintenance / maintenance / repair work for a high-rise structure such as an elevated road or a bridge, is maintained / maintained / repaired. The present invention relates to a moving scaffold system that is hung on the entire lower surface of a place where work is performed.

  Conventionally, temporary scaffolding devices used mainly for maintenance, maintenance, repair work, etc. for high-rise structures such as elevated roads and bridges are used for maintenance, maintenance management, repair work, etc. of the high-rise structures. A moving scaffold system suspended below is well known. Among these types of systems, for scaffold panels, for example, in Patent Document 1, 1) a floor is attached to the entire frame, and a part of the floor is a lid mechanism that can be opened and closed. A storage space that is opened and closed by the lid is formed. 2) The storage spaces are provided at both ends in the longitudinal direction of the frame body, and two parallel ones extending in the longitudinal direction are provided in the storage spaces. 3) A plurality of hanging brackets are arranged and attached to the two opposite long sides of the frame body, respectively. 4) A part of the flooring material is translucent. An arrangement of materials is disclosed.

JP 2000-120263 A

  These improved scaffold panels form the main part as scaffolding equipment for temporary construction used for the maintenance and repair of elevated roads and bridges, but the scaffolding panels themselves are further improved and the scaffolding equipment is replaced with elevated roads and bridges. It is desired to construct a mobile scaffolding system that can be efficiently transported and erected to maintenance and repair work sites, etc., so that the work can be performed safely, and can be moved and removed quickly after the work is completed.

  The environment of the construction site is changing in various ways, and the construction technology is partly changing and changing in part. In particular, improvements in safety and work environment are accelerating in all construction. However, as for the work scaffold, the fixed type is still the mainstream, and although the mobile type has recently been adopted, only a few have been put into practical use. In addition, the scaffold panel has been improved as in the above prior art, but it needs to be further improved to be applied to a new mobile scaffold system.

  The present invention was made to solve the above problems, and as a multi-move system, provides an unprecedented new mobile scaffolding system for safety, work environment improvement, labor saving, shortening of construction period, etc. The purpose is to do. It is another object of the present invention to provide a scaffold panel applicable to such a mobile scaffold system.

In order to achieve the above object, the present invention is characterized by having the means and configuration described in claims 1 to 5.
A. Temporary scaffolding equipment used mainly for maintenance / maintenance / repair work on high-rise structures such as elevated roads and bridges is located below the place where maintenance / maintenance / repair work for such high-rise structures is performed. A mobile scaffolding system to hang,
A beam member having an H-shaped cross section that forms a pair disposed along the length direction of the structure below a place where maintenance, maintenance, repair work, etc. of the structure is performed, and a work floor installed on the beam member A rail member that can be continuously attached and detached along the lower surface of the beam member by an operator on the work floor, and the beam member and the rail member, and a rectangular scaffold panel is lifted via a wire. And a winch device movable along the beam member and the rail member via the work floor, and a suspension means for suspending the scaffold panel conveyed by the winch device to the beam member via a clamp and a suspension chain And a connecting means for connecting the adjacent scaffold panels to each other. The scaffold panel is suspended from the entire lower surface of the place where maintenance, maintenance, repair work, etc. of the structure is performed.

B. The work floor can be moved manually or automatically with respect to the beam member and the rail member, and includes a monkey rack and an overhanging working section that can be overhanged from the monkey rack.
C. The scaffold panel is substantially predetermined so as to be orthogonal to the outer frame disposed on the outer periphery, the transverse middle bone disposed in the length direction in the outer frame, and the outer frame and the transverse middle bone in the length direction. A plurality of longitudinal central bones arranged at intervals, and a surface plate made of an aluminum checker plate stretched on the outer frame, the lateral central bone and the surface of the longitudinal central bone, at both ends in the longitudinal direction The storage was provided with an opening / closing lid that was narrower than the entire width of the scaffolding panel, and a part of the surface plate could be opened and closed, and suspension pipes were provided on both sides of the storage with gaps on both sides.

D. The scaffold panel is a translucent plate part of the surface plate, and can be moved up and down to each position where the outer frame and the longitudinal central bone are crossed and fixed to change the use position and the storage position. A U-shaped hanging metal fitting is provided, and a joint member to which the annular metal fitting is detachable is provided on the outer frame between the hanging metal fitting and the adjacent hanging metal fitting.
E. The said scaffold panel provided the connection member which can be connected and disconnected with respect to the adjacent scaffold panel in the long side part of the outer frame.

A. A pair of beam members is provided below the place where maintenance, maintenance management, repair work, etc. of the structure is performed, and a rail member is attached to the lower surface of the beam member by an operator who rides on the work floor laid on the beam member, Since the winch device is installed on the beam member and the rail member, the scaffold panel can be lifted by the winch device, and the winch device and the scaffold panel can be moved along the beam member and the rail member via the work floor. . Moreover, the scaffold panel conveyed by the winch device can be suspended on the beam member by a worker on the work floor via a clamp and a suspension chain. Furthermore, the scaffold panels that have been transported can be connected to each other adjacent to each other, and these scaffold panels can be suspended all over the area where maintenance, maintenance, repair work, etc. are performed. During the work, it is possible to prevent a falling object from falling downward and perform a safe work.

B. The work floor can be moved manually or automatically with respect to the beam member and the rail member, and can efficiently transport the scaffold panel. In addition, since the monkey rack and the projecting working portion that can be projected from the monkey rack are provided, the rail member can be easily attached to and detached from the beam member, and the scaffold panel is suspended from the beam member via the clamp and the suspension chain. Can have.
C. The scaffold panel includes an outer frame, a transverse middle bone arranged in the outer frame, and a plurality of longitudinal middle bones arranged at predetermined intervals so as to be orthogonal to the outer frame and the transverse middle bone in the length direction. The outer frame, the surface plate made of an aluminum checker plate stretched on the surface of the horizontal and vertical ribs, and the scaffold panel can be made lightweight while being large. In addition, a storage cabinet with an opening / closing lid that is narrower than the entire width of the scaffold panel and that can be opened and closed at a part of the surface plate is provided at both ends in the longitudinal direction of the scaffold panel. A buckle or the like can be stored and taken out when necessary. Furthermore, the suspension pipes provided on both sides of the storage can be used when the scaffold panel is suspended.

D. When a part of the surface plate of the scaffold panel is made of a translucent plate, the translucent plate is used even when the scaffold panel is suspended all over the place where maintenance, maintenance, repair work, etc. of the structure is performed. The body is lighted and work can be done safely on the scaffold panel. In addition, a lifting bracket that can be moved up and down is provided at each position where the outer frame and the longitudinal center cross and fix each other, and an annular bracket is detachably provided between the hanging bracket and the adjacent hanging bracket. Therefore, when suspending the scaffold panel with a wire or a suspension chain, it is possible to suspend the scaffold panel in a balanced manner by selecting the most suitable suspension bracket or annular bracket.
E. Since the scaffolding panel is provided on the long side of the outer frame with a connecting member that can be connected to and disconnected from the adjacent scaffolding panel, the scaffolding panels can be stably suspended by connecting the adjacent scaffolding panels together. In addition, no objects can fall from between the scaffold panels.

The best mode for carrying out the present invention will be specifically described below with reference to the accompanying drawings.
FIG. 1A is a plan view in which the surface plate of the scaffold panel according to the present invention is partially omitted, FIG. 1B is a side view of the scaffold panel, and FIG. 2A is A in FIG. FIG. 3B is an enlarged sectional view taken along line BB in FIG. 1B, FIG. 3 is an overall perspective view of a scaffold panel according to the present invention, and FIG. FIG. 5A is a partial plan view of a state in which two scaffold panels according to the present invention are connected, and FIG. 5B is a partial plan view of FIG. 6 is a perspective view of a manual scaffold panel transport system according to the present invention, and FIG. 7 is a perspective view of an automatic scaffold panel transport system according to the present invention.

  FIG. 8 shows a state in which a monkey rack as a work floor is installed on one end side of a beam member, a rack member as a rail member is attached to the lower surface of the beam member, and this rack member is continuously attached to the entire length of the beam member. Side view, FIG. 9 is a side view of a state in which a winch device provided with a monkey rack and a moving device is installed close to a beam member to which a rack member is attached, and two scaffold panels connected by the winch device are lifted, FIG. 10 is a side view showing a state in which two connected scaffold panels lifted by the winch device are moved together with the winch device by the monkey rack and conveyed to the other end side of the beam member, and FIG. 11 is the other end side of the beam member. FIG. 12 is a side view showing a state in which the two-connected scaffold panel conveyed to the flange of the beam member is suspended through the suspension chain. FIG. FIG. 13 is a side view of a state in which the winch device is returned to one end side of the beam member by the monkey rack, and FIG. 13 is conveyed by the monkey rack and winch device following the scaffold panel suspended on the other end side of the beam member. FIG. 14 is a side view of a state in which the scaffolding panel is continuously suspended from the beam member, and FIG. 14 is a side view of the state in which the monkey rack and winch device are lowered from the beam member. It is.

1 to 3, reference numeral 10 denotes a rectangular scaffold panel according to the present invention. This scaffold panel 10 is mainly used for maintenance / maintenance / repair work for existing high-rise structures such as elevated roads and bridges. As a temporary scaffold device used when performing the above, it is suspended and used below a place where maintenance, maintenance, repair work, etc. of the high-rise structure is performed by a mobile scaffold system described later. The scaffold panel 10 is an integral molded product of a basic module (width 1 m × length 8 m × thickness 0.1 m) 8 m ² , an outer frame 11 disposed on the outer periphery, and a length within the outer frame 11. A transverse middle bone 12 arranged in the direction, a plurality of longitudinal middle bones 13 arranged at almost predetermined intervals so as to be orthogonal to the outer frame 11 and the transverse middle bone 12 in the length direction, and the outer frame 11, It is comprised by the surface plate 14 which consists of an aluminum checker plate stretched on the surface of the horizontal middle bone 12 and the vertical middle bone 13. The outer frame 11, the transverse middle bone 12, the longitudinal middle bone 13, etc. are made of galvanized steel square pipe and have a weight of 230 kg and are large and light.

  In addition, the scaffold panel 10 is provided with a U-shaped suspension bracket 15 that can move up and down and protrude into a use position and a storage position at each position where the outer frame 11 and the longitudinal center bone 13 cross and adhere to each other. The joint member 16 which consists of a nut which can attach and detach the cyclic | annular metal fitting 17 is provided in the outer frame 11 of the intermediate | middle between this hanging metal fitting 15 and the adjacent hanging metal fitting 15, and the outer frame 11 of a short side. Furthermore, at the both ends in the longitudinal direction of the scaffold panel 10, there is a bottomed bottom having an opening / closing lid 18 c that is narrower than the entire width of the scaffold panel 10 and pivotally supports a part of the surface plate 14 through a hinge 18 b so as to be opened and closed. A storage 18 having a size of 60 cm × 70 cm and having a storage portion 18a is provided. On both sides of the storage case 18, there are provided suspension pipes 19 made of steel pipes having a length of 70 cm and a diameter of 48.6 with a gap on both sides. Moreover, the short side part of the outer frame 11 is supported on the outer side of the storage 18 and the hanging pipes 19 and 19 via the short sides 12a and 12a of the lateral middle bones.

  The storage 18 stores clamps, suspension chains, turnbuckles, and the like, which will be described later, and is used by opening and closing the opening / closing lid 18c when hanging the scaffold panel 10 on the beam member 30. The surface plate 14 may be a translucent plate such as a plastic plate. In this way, when a part of the surface plate 14 is made of a translucent plate, the light is removed when the scaffold panel 10 is laid down below the place where maintenance, maintenance, repair work, etc. of the high-rise structure is performed. Thus, the work can be performed safely without lighting.

  4 and 5, the scaffold panel 10 is provided with connecting members 20 to 22 that can be connected to and disconnected from the adjacent scaffold panel 10 on the long side portion of the outer frame 11. That is, the connecting members 20 to 22 are attached along the entire length of the long side portion of the outer frame 11, and have a lower connecting plate 20 to which fixing nuts are fixed at predetermined intervals, and an upper side of the lower connecting plate 20. The upper connecting plate 21 is attached to the long side portion of the outer frame 11 at a predetermined interval so as to be overlapped, and the upper connecting plate 21 having a long hole for inserting the fixing bolt is overlaid on the upper side of the lower connecting plate 20. In the state, it is composed of a fixing screw 22 that is inserted into the lower connecting plate 20 from the upper connecting plate 21 and screwed thereto, and the adjacent scaffold panels 10 and 10 can be connected and disconnected. When the scaffold panels 10 and 10 are connected, the scaffold panel 10 is fixed and stabilized in the horizontal direction, and the construction article does not fall from the connecting portion of the scaffold panels 10 and 10.

  As shown in FIG. 6 and FIG. 7, below the place where the maintenance / maintenance / repair work, etc. of the structure is performed, a beam member composed of a pair of left and right truss rails along the length direction of the structure. 30 is disposed. As the beam member 30, an existing one such as an iron bridge is used as it is, and when the structure is concrete, the beam member 30 is newly installed in accordance with the suspension load, the support interval, and the like. As shown in FIG. 8, first, the rail member 40 made of a rack member is continuously attached to the beam member 30 along the lower surface of the lower flange 31 of the beam member 30. A monkey rack 50 is installed. The monkey rack 50 can be moved along the lower flange 31 and the rack member 40 of the beam member 30 by a driving unit 51, and can be projected to the front side from the monkey rack 50, a generator 53, a control panel. 54 and the like, and the rack member 40 is attached to the lower surface of the lower flange 31 by an operator who rides on the monkey rack 50 and the overhanging working unit 52. Stopping prevention stoppers as safety devices are attached to both ends of the rack member 40 attached over the entire length of the beam member 30. Further, the monkey rack 50 may be either manual movement type I by manual operation as shown in FIG. 6 or automatic movement type II in which the drive unit 91 is driven and moved by the automatic controller 90 as shown in FIG. Is. Reference numeral 100 denotes a structure support.

  Here, the monkey rack 50 as a driving vehicle includes a motor having a capacity of 100 V × 200 W as a power source of the driving unit 51 and moves at a speed of 7 m / min. The traction force at that time is 200 kg in the vertical direction. The generator 53 is equipped with a 2.5 KVA generator. In addition, as a safety measure, the monkey rack 50 is equipped with a manual runaway prevention device, a drive vehicle gear brake, a centrifugal brake (optional), a driven vehicle manual fixing pin, and the like (not shown). Furthermore, the monkey rack 50 is provided with a driven vehicle (cart) that is connected as necessary.

  As shown in FIG. 9, when the mounting of the rack member 40 to the lower surface of the lower flange 31 of the beam member 30 is completed, the monkey rack 50 is returned to the starting position of the beam member 30 and the rack member 40, and the A winch device 60 is installed on the beam member 30 and the rack member 40 on the front side. In this winch device 60, two rectangular scaffold panels 10 connected to each other are lifted one by one through wires 61 and pushed through the monkey rack 50. Is moved along the beam member 30 and the rack member 40 by the movable part 62 which can be moved by the above-described movement and transported. At this time, the scaffold panel 10 is lifted by locking the tip of the wire 61 to the suspension fitting 15 or the annular fitting 17 (only the annular fitting 17 is shown in the drawing).

  The scaffold panel 10 lifted by the winch device 60 and pushed by the monkey rack 50 and transported as shown in FIGS. 10, 6, and 7 is stored when it reaches the transport end position as shown in FIG. 11. It is suspended by the lower flange 31 of the beam member 30 through the clamp 71 and the suspension chain 70 taken out from the warehouse 18. At the same time, the adjacent scaffold panels 10 are connected to each other by the connecting members 20 to 22, and the rack member 40 at the portion where the scaffold panel 10 is suspended is removed. As shown in FIG. 12, the winch device 60 and the monkey rack 50 after the scaffold panel 10 is suspended from the lower flange 31 are turned back to the starting end side of the beam member 30 and the rack member 40, and the scaffold panel 10 is again pulled by the winch device 60. Is lifted and transported toward the end of conveyance. Then, by repeating such an operation as shown in FIG. 13, as shown in FIG. 14, the scaffold panel 10 is suspended over the entire area below the place where maintenance, maintenance, repair work, etc. of the structure is performed. To do. When the suspension of the scaffold panel 10 is finished, the monkey rack 50 and the winch device 60 are lowered from the beam member 30 and the rack member 40, and the worker performs maintenance, maintenance, repair work, etc. of the structure on the scaffold panel 10. . When the work is finished, the scaffold panel 10 is removed from the beam member 30, and the beam member 30 is also removed in some cases.

  When performing maintenance / maintenance / repair work on the structure as described above, in the present invention, the scaffold panel 10 is suspended over the entire area below the place where maintenance / maintenance / repair work on the structure is performed. Since the scaffold panel 10 is connected, it is possible to prevent a falling object from falling downward during the work and to perform a safe work. Further, as shown in FIGS. 6 and 7, a morning glory 80 is provided to be supported by a support arm 81 outward from the edge of the scaffold panel 10, and a curtain member is stretched on the morning glory 80. Therefore, it is possible to prevent falling objects during work from falling outside the scaffold panel 10. Furthermore, when a part of the surface plate 14 is made of a translucent plate, it becomes light when the scaffold panel 10 is laid down below the place where maintenance, maintenance management, repair work, etc. of the high-rise structure is performed, You can work safely.

  The temporary scaffold device mainly used for maintenance / maintenance / repair work for high-rise structures such as elevated roads and bridges is maintained / maintained / maintained / repaired by the mobile scaffold system of the present invention. It is possible to hang efficiently over the entire area below the place, and to perform the desired work safely and efficiently.

(A) is the top view which abbreviate | omitted a part of surface plate of the scaffold panel by this invention, (b) is a side view of a scaffold panel. (A) is an AA line expanded sectional view of Drawing 1 (b), and (b) is an BB line expanded sectional view of Drawing 1 (b). 1 is a perspective view of a scaffold panel according to the present invention. FIG. It is a top view of the state which connected two scaffold panels by this invention. (A) is the fragmentary top view of the state which connected the two scaffold panels by this invention, (b) is the end elevation seen from the arrow C direction of FIG. 1 is a perspective view of a manual scaffold panel transport system according to the present invention. FIG. 1 is a perspective view of an automatic scaffold panel transport system according to the present invention. FIG. 6 is a side view of a state in which a monkey rack as a work floor is installed on one end side of a beam member, a rack member as a rail member is attached to the lower surface of the beam member, and the rack member is continuously attached to the entire length of the beam member. . FIG. 5 is a side view of a state in which a winch device including a monkey rack and a moving device is installed close to a beam member to which a rack member is attached, and two scaffold panels connected by the winch device are lifted. It is a side view of the state which moves the 2nd connection scaffold panel lifted with the winch apparatus by the monkey rack with the winch apparatus, and conveys it to the other end side of a beam member. It is a side view of the state which suspends to the flange of a beam member via the suspension chain the two-piece connection scaffold panel conveyed to the other end side of the beam member. FIG. 3 is a side view of a state in which a two-joint scaffold panel is suspended on a beam member via a suspension chain and the winch device is returned to one end side of the beam member by a monkey rack. It is a side view of the state which suspends the scaffold panel conveyed by the monkey rack and the winch apparatus one after another after the scaffold panel suspended on the other end side of the beam member. It is a side view of the state which suspended the scaffold panel in the full length of the beam member, and lowered the monkey rack and the winch device from the beam member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Scaffolding panel 11 Outer frame 12 Horizontal middle bone 13 Longitudinal middle bone 14 Surface plate 15 Hanging bracket 16 Joint member 17 Annular bracket 18 Storage 18a Storage portion 18b Hinge 18c Opening and closing lid 19 Lifting pipe 20 Lower coupling plate 21 Upper coupling plate 22 Fixing bolt 30 Beam member 31 Lower flange 40 Rack member (rail member)
DESCRIPTION OF SYMBOLS 50 Monkey rack (working floor) 51 Drive part 52 Overhanging work part 53 Generator 54 Control panel I Manual movement type II Automatic movement type 60 Winch device 61 Wire 62 Moving part 70 Hanging chain 71 Clamp 80 Morning glory 81 Support arm 90 Automatic control device 91 Drive unit 100 Structure prop

Claims (5)

Temporary scaffolding equipment used mainly for maintenance / maintenance / repair work on high-rise structures such as elevated roads and bridges is located below the place where maintenance / maintenance / repair work for such high-rise structures is performed. A mobile scaffolding system to hang,
A beam member having an H-shaped cross section that forms a pair disposed along the length direction of the structure below a place where maintenance, maintenance, repair work, etc. of the structure is performed, and a work floor installed on the beam member A rail member that can be continuously attached and detached along the lower surface of the beam member by an operator on the work floor, and the beam and the rail member, and lifting the rectangular scaffolding panel through the wire And a winch device movable along the beam member and the rail member via the work floor, and a suspension means for suspending the scaffold panel conveyed by the winch device to the beam member via a clamp and a suspension chain And a connecting means for connecting the adjacent scaffold panels to each other, characterized by suspending the scaffold panel over the entire area below the place where maintenance, maintenance, repair work, etc. of the structure is performed. Moving scaffolding system.   The work floor may be moved manually or automatically with respect to the beam member and the rail member, and includes a monkey rack and an overhanging working section that can be overhanged from the monkey rack. The mobile scaffold system according to claim 1.   The scaffold panel is substantially predetermined so as to be orthogonal to the outer frame disposed on the outer periphery, the transverse middle bone disposed in the length direction in the outer frame, and the outer frame and the transverse middle bone in the length direction. A plurality of longitudinal central bones arranged at intervals, and a surface plate made of an aluminum checker plate stretched on the outer frame, the lateral central bone and the surface of the longitudinal central bone, at both ends in the longitudinal direction The storage panel is smaller than the entire width of the scaffolding panel and is provided with an open / close lid that can open and close a part of the surface plate, and a suspension pipe is provided on both sides of the storage panel with a gap on both sides. The mobile scaffold system according to claim 1.   The scaffold panel is a translucent plate part of the surface plate, and can be moved up and down to each position where the outer frame and the longitudinal central bone are crossed and fixed to change the use position and the storage position. 4. A U-shaped hanging fitting is provided, and a joint member to which the annular fitting is detachable is provided on the outer frame between the hanging fitting and the adjacent hanging fitting. Mobile scaffolding system.   The mobile scaffold system according to claim 1, 3 or 4, wherein the scaffold panel is provided with a connecting member that can be connected to and disconnected from an adjacent scaffold panel on the long side portion of the outer frame.

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