JP4078173B2 - Work unit - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a work unit that is arranged outside a building when a building is constructed, and that allows an operator to work on the outer surface of the building or to cover the outer surface of the building with a safety net.
[0002]
[Prior art]
When building a middle- or high-rise building, it is difficult to assemble a scaffold from the ground, so there is a technology that moves work units arranged outside the building to the upper floor side. Has been developed. The worker performs various construction work such as exterior painting work on a scaffolding plate provided in the work unit, or attaches a safety net to the work unit. This work unit is arranged on the outside of the building at a height corresponding to a predetermined number of floors, for example, about the third or fourth floor, and when the predetermined work using the work unit is completed, As construction progresses, the work unit is moved upward by a hoist such as a crane or a hoist.
[0003]
[Problems to be solved by the invention]
It is preferable that such type of work unit can be transported by truck in a state where it is disassembled to the construction site, and can be easily assembled at the construction site. It is preferable that it can be quickly removed by a crane or the like after being removed from the part.
[0004]
However, the climbing type work unit developed so far has a problem in that it takes time for the replacement work to move up after a predetermined work is completed.
[0005]
An object of the present invention is to provide a work unit that can quickly perform an assembling / disassembling work and a lifting / moving work quickly.
[0006]
Another object of the present invention is to provide a work unit that can be refilled in a stable state without fear of being hit by a strong wind and colliding with the housing.
[0007]
[Means for Solving the Problems]
The work unit of the present invention has a plurality of vertical columns extending in the vertical direction and a plurality of horizontal beams extending in the horizontal direction and connecting the vertical columns, and a unit frame disposed outside the building; A guide member disposed between the unit frame and the building and connected to the unit frame so as to be movable up and down relative to the unit frame; and the guide member relative to the unit frame. A first driving means for detachably fastening the unit frame to the building, a second fastening means for detachably fastening the guide member to the building, A scaffolding plate support beam that protrudes horizontally toward the building on the unit frame, and a scaffolding plate that is detachably attached to both ends of the scaffolding plate support beam adjacent in the horizontal direction; Each of the vertical struts is formed by connecting a plurality of column members each having a connecting portion at an upper and lower end portion and having mounting holes formed at predetermined intervals along the longitudinal direction in the vertical direction. Each is formed by connecting a plurality of beam members having a connecting portion at the horizontal end portion in the horizontal direction, Under a state in which the guide member is moved to the upper floor along the unit frame under the state where the fastening of the guide member to the building is released, and the fastening of the unit frame to the building is released The unit frame is moved to the upper floor along the guide member.
[0008]
The work unit of the present invention has a plurality of vertical columns extending in the vertical direction and a plurality of horizontal beams extending in the horizontal direction and connecting the vertical columns, and a unit frame disposed outside the building; A guide member disposed between the unit frame and the building and connected to the unit frame so as to be movable up and down relative to the unit frame; and the guide member relative to the unit frame. A first driving means for detachably fastening the unit frame to the building, a second fastening means for detachably fastening the guide member to the building, A safety net attached to the unit frame, Each of the vertical struts is formed by connecting a plurality of column members each having a connecting portion at an upper and lower end portion and having mounting holes formed at predetermined intervals along the longitudinal direction in the vertical direction. Each is formed by connecting a plurality of beam members having a connecting portion at the horizontal end portion in the horizontal direction, Under a state in which the guide member is moved to the upper floor along the unit frame under the state where the fastening of the guide member to the building is released, and the fastening of the unit frame to the building is released The unit frame is moved to the upper floor along the guide member.
[0009]
In the work unit of the present invention, the drive mechanism includes a hoisting machine provided on the unit frame, and wires fixed at both ends to the hoisting machine and the guide member, and when the hoisting machine is operated, The guide member moves up and down with respect to the unit frame.
[0010]
The work unit according to the present invention is characterized in that the fastening means has a fastening beam that moves between a fastening position and a retracted position.
[0012]
In the work unit of the present invention, the column members are arranged to face each other in the opposite direction, and are constituted by a pair of channel members coupled via spacers, and the opposing surfaces of the channel members are arranged in the longitudinal direction. A mounting hole is formed at predetermined intervals along the line.
[0013]
In the work unit of the present invention, the beam member is configured by a pair of channel members that are arranged opposite to each other and coupled via a spacer, and a through hole corresponding to the mounting hole of the pillar member is formed. It is characterized by having a connected part.
[0014]
The work unit according to the present invention is characterized in that the fastening means attached to the vertical column has a connecting portion in which a through hole corresponding to the attachment hole of the column member is formed.
[0015]
The work unit according to the present invention includes a ladder support beam that protrudes horizontally on the side of the unit frame outward and parallel to the unit frame, and the ladder support beam adjacent in the vertical direction. And a ladder scaffolding plate rotatably mounted on the scaffolding plate support beam located on the side, and an operator can move up and down via the ladder and It is possible to move to work units adjacent to each other via a crossing scaffolding plate.
[0016]
According to such a working unit of the present invention, since the refilling operation is performed in a state where at least one of the unit frame or the guide member is fastened to the housing part, there is a concern that the working unit hit by the strong wind may collide with the housing part. Therefore, the refilling operation can be executed in a stable state at all times.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0018]
1 is a front view showing a state in which a work unit of the present invention is attached to the outside of a building, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is an arrow in a direction along line AA in FIG. FIG.
[0019]
FIGS. 1 and 3 show the housing parts 11a to 11e of the building 10 during construction, and the work unit 20 of the present invention is arranged outside the building 10. FIG. When constructing one building such as a condominium or an office building, a predetermined number of work units 20 are attached to the lower layer of the building 10 so as to cover the entire periphery of the building or at necessary places. . FIG. 1 and FIG. 2 show one work unit 20 and a part of another work unit 20 adjacent thereto, and the work unit 20 includes a unit frame 21 arranged outside the building 10. Have.
[0020]
The unit frame 21 includes a plurality of vertical columns 22 extending in the vertical direction and a plurality of horizontal beams 23 extending in the horizontal direction and connecting the vertical columns 22 at both upper and lower ends. The number of the vertical support columns 22 and the horizontal beams 23 constituting the unit frame 21 is not limited to the number shown in FIG. 1 and can be an arbitrary number. As shown in FIG. 1, a safety net 19 is attached to the outer surface of the unit frame body 21 to prevent the work tool from dropping, small parts from falling, and the resulting injury to workers. Although not shown, a plurality of handrail members extending in the horizontal direction are provided between the vertical support posts 22 of the unit frame 21 at a predetermined interval to prevent an operator from falling down.
[0021]
Each of the vertical columns 22 is formed by connecting a plurality of column members 24 having a predetermined length, and can be disassembled and assembled. Similarly, the horizontal beam 23 is also formed by connecting a plurality of beam members 25 having a predetermined length, and can be disassembled and assembled.
[0022]
4A is a side view showing the column member 24, FIG. 4B is a front view showing the column member 24, and FIG. 4C is a perspective view showing a part of the column member 24. . The column member 24 is formed by reversing two channel members 24a each having a U-shaped cross section having a predetermined length in opposite directions and fixed by spacers 26 welded to the channel members 24a.
[0023]
A joint member 26a having a U-shaped cross section is fixed to one end portion of one channel member 24a and the other end portion of the other channel member 24a, and an attachment hole 27a is formed in each joint member 26a. In addition, attachment holes 27b are formed in the other end portion of one channel member 24a and one end portion of the other channel member 24a corresponding to the attachment holes 27a, respectively. Thereby, the joint members 26a of the column member 24 can be connected to each other, and the vertical support 22 having a predetermined length can be configured. Attachment holes 27 are formed in the opposing surface of each channel member 24a at predetermined intervals in the longitudinal direction. By attaching the joint member 26a with a bolt that penetrates the attachment hole 27 and connecting the column member 24 via the joint member 26a, the vertical column 22 having a required length can be easily assembled at the construction site.
[0024]
5A is a partial sectional view of the beam member 25 as viewed from the side, FIG. 5B is a front view showing the beam member 25, and FIG. 5C shows a part of the beam member 25. FIG. 5D is a perspective view showing a part of the beam member 25.
[0025]
The beam member 25 shown in FIGS. 5 (A) to (D) has two channel members 25a each having a U-shaped cross section with a predetermined length reversed, and fixed by spacers 28 welded to each other. Is formed.
[0026]
A joint member 28a having a U-shaped cross section is fixed to one end of one channel member 25a and the other end of the other channel member 25a, and an attachment hole 29a is formed in each joint member 28a. . In addition, attachment holes 29b are formed in the other end portion of the one channel member 25a and one end portion of the other channel member 25a corresponding to the attachment holes 29a, respectively. Further, an attachment hole 29 is formed at the longitudinal end portion of each channel member 25a. The joint member 28a is attached by a bolt that penetrates the attachment hole 29, and the beam member 25 is connected via the joint member 28a. By doing so, it is possible to easily assemble the horizontal beam 23 having a required length at the construction site.
[0027]
A connecting member 31 in which a through hole 30 corresponding to the mounting hole 27 formed in the column member 24 is fixed between the opposing channel members 25a by a coupling means such as screwing or welding. In order to attach the horizontal beam 23 to the vertical column 22, the through hole 30 formed in the connecting member 31 and the mounting hole 27 formed in the column member 24 may be aligned and fastened with a fastener such as a bolt.
[0028]
FIG. 6 is a perspective view showing the scaffolding plate support beam 32. The scaffolding plate support beam 32 is also called a carrying frame or a bracket, and as shown in FIG. 6, the channel material is processed and a through hole 33 corresponding to the mounting hole 27 formed in the column member 24 is formed. The connecting member 34 is formed. A support beam main body 35 and a support beam auxiliary portion 36 made of a round pipe are fixed to each of both ends of the connecting member 34 by a connecting means such as welding in a direction perpendicular to the connecting member 34. Sliding pipes 35a and 36a are fitted inside the beam main body 35 and the support beam auxiliary portion 36, respectively. Thereby, the dimension of the longitudinal direction of the scaffold board support beam 32 can be freely adjusted according to the width dimension of the scaffold board with which it mounts | wears. The support beam main body 35 and the support beam auxiliary portion 36 shown in the figure are made of round pipes, but may be made of square pipes. A receiving portion 37 for mounting a handrail material is fixed to the ends of the sliding pipes 35a and 36a by a coupling means such as welding in a direction perpendicular to the sliding pipes 35a and 36a.
[0029]
FIG. 7 is an enlarged perspective view of a portion B in FIG. In the figure, the scaffold plate is omitted. In order to attach the scaffolding plate support beam 32 as shown in FIG. 6 to the vertical column 22, as shown in FIG. 7, a through hole 33 formed in the connecting member 34 and an attachment hole 27 formed in the vertical column 22 Fastening is performed using a fastening member 38 such as a stop pin or a bolt. Thereby, the attachment height with respect to the vertical support | pillar 22 of the scaffold board | substrate support beam 32 adjacent to each other can be equalized.
[0030]
As shown in FIG. 2, the scaffolding plate support beams 32 are attached to the respective vertical columns 22, and the scaffolding plate 40 is detachably mounted between the scaffolding plate support beams 32 adjacent in the horizontal direction. It is like that. However, only the safety net 19 may be attached to the unit frame 21 without attaching the scaffolding plate support beam 32 and the scaffolding plate 40, and the scaffolding via the scaffolding plate support beam 32 without attaching the safety net 19. Only the plate 40 may be attached.
[0031]
FIG. 8A is a plan view showing the scaffold board 40, and FIG. 8B is a front view showing the scaffold board 40. What is called a cloth board is used as the scaffold board 40. As shown in FIGS. 8 (a) and 8 (b), the scaffold plate 40 is provided with a cloth plate portion 42 on the upper surface of the frame body portion 41, and spaced in the width direction on both end faces in the longitudinal direction of the frame body portion 41. A hook 43 is provided at a distance, and the hook 43 is detachably mounted on the scaffolding plate support beam 32 by hanging the hook 43 on the support beam main body 35 of the scaffolding plate support beam 32.
[0032]
The frame part 41 may be manufactured through bending, punching, or pressing of a thin metal plate such as iron, or may be configured by combining a square pipe or a round pipe. In this embodiment, a metal mesh such as an expanded metal is used for the cloth plate portion 42. However, a porous plate provided with a large number of holes on the surface of the metal plate, or a large number of minute meshes on the surface of the metal plate. You may use what attached the uneven | corrugated pattern.
[0033]
FIG. 9 is a perspective view showing the fastener 44, and FIG. 10 is an enlarged perspective view showing a portion C of FIG. As shown in FIG. 9, the fastener 44 includes a connection member 46 in which a channel material is processed and a through hole 45 corresponding to the attachment hole 27 formed in the column member 24 is formed. One end of a fastening beam 47 made of a square pipe is fixed to the connecting member 46 in a direction perpendicular to the connecting member 46. A fastening arm 50 is attached to the other end side of the fastening beam 47 so as to be rotatable in the vertical direction via a hinge portion 47a. A sleeve 48 is slidably fitted to the fastening arm 50, and a front end of a fastening screw 49 screwed to the sleeve 48 in parallel with the fastening arm 50 comes into contact with the inner surface of the housing portion 11. A fastening piece 49a is provided. A plurality of positioning holes 51 are formed in the fastening arm 50, and a position of the sleeve 48 with respect to the fastening arm 50 is driven by driving a fixing tool such as a stop pin (not shown) into one of the positioning holes in accordance with the thickness dimension of the housing portion. Can be set.
[0034]
In this embodiment, the reinforcing member 52 is slanted between the connecting member 46 and the fastening beam 47, and the mechanical strength of the fastener 44 is ensured. By rotating the fastening arm 50 in the direction of arrow a, the fastening arm 50 can be rotated between the fastening position and the retracted position. In the illustrated case, the fastening arm 50 is pivoted in the vertical direction between the fastening position and the retracted position by the hinge portion 47a, but may be pivoted in the horizontal direction.
[0035]
In order to attach the fastener 44 to the vertical column 22, as shown in FIG. 10, the through hole 45 formed in the connecting member 46 and the mounting hole 27 formed in the column member 24 are aligned, and a stop pin, a bolt or the like The connecting means 53 may be used for connection.
[0036]
FIG. 11 shows a modified example of the fastener 44. In this case, the fastening arm 50 is formed of two plates, and each plate is pivotally connected to the fastening beam 47 at the base end, The parts are connected to each other by a spacer. Also in this case, the sleeve 48 is attached to the fastening arm 50 made of a plate material.
[0037]
As shown in FIGS. 1 to 3, the work unit 20 of the present invention has a guide member 54, and this guide member 54 is disposed between the unit frame 21 and the building, with respect to the unit frame 21. It is connected to be relatively movable up and down. The guide member 54 has a frame body portion 57 in which longitudinal ends of the longitudinal members 55a and 55b arranged at intervals are joined by the transverse members 56a and 56b, and an intermediate portion between the longitudinal members 55a and 55b. 10 and a guide roller support portion 59 having one end connected to each of the longitudinal members 55a and 55b.
[0038]
12 is an enlarged view of a portion A in FIG. 3, FIG. 13 is a perspective view showing a part of the guide member 54 in an enlarged manner, and FIG. 14 is a sectional view showing the portion A in FIG. 12 in an enlarged manner. is there.
[0039]
As shown in FIG. 13, each of the fasteners 58 has a fastening arm 60 made of a square pipe, and one end thereof is vertically moved as indicated by an arrow b with respect to each of the vertical members 55 a and 55 b of the frame body portion 57. A shaft is rotatably supported between the fastening position and the retracted position in the direction. The fastening arm 60 is provided with a stopper 61 that comes into contact with the outer surface of the housing part 11 on one end side, and a sleeve 62 is slidably fitted on the other end side. A fastening screw 63 is screwed to the sleeve 62 in parallel with the fastening arm 60, and a fastening piece 64 that contacts the inner surface of the housing portion 11 is provided at the tip of the fastening screw 63. In the illustrated case, the fastening arm 60 is pivoted in the vertical direction between the fastening position and the retracted position, but may be pivoted in the horizontal direction.
[0040]
A plurality of positioning holes 65 are formed in the fastening arm 60, and a fixing tool such as a stop pin (not shown) is driven into any one of the positioning holes in accordance with the thickness dimension of the housing portion 11. The position can be set.
[0041]
A channel material is used for each of the vertical members 55a and 55b of the frame body portion 57, and a guide groove 66 is formed therein. The guide roller support portion 59 has a fastening beam 67 having a connecting portion at one end and a roller portion 69 connected to the fastening beam 67 via a support arm 68, and one end of the fastening beam 67 is as shown in FIG. The vertical support 22 is fixed horizontally.
[0042]
As shown in FIG. 14, the roller portion 69 has a rotating shaft 69b in which two rotating bodies 69a are coupled to both ends in the axial direction, and a support piece 69c that rotatably supports the rotating shaft 69b, and one end of the support piece 69c. Is coupled to the support arm 68 by a joint 68a, and the rotating body 69a is fitted in the guide groove 66 of the longitudinal members 55a and 55b. As a result, the guide member 54 and the unit frame 21 are connected to each other so as to be relatively movable up and down.
[0043]
As shown in FIGS. 1 to 3, the work unit 20 of the present invention is provided with a drive mechanism 70 for driving the guide member 54 and the unit frame 21 relatively in the vertical direction. The drive mechanism 70 includes a support arm 70a that protrudes horizontally on the unit frame 21, and a winder 70b such as a winch provided at the tip of the support arm 70a. A wire 71 of the winder 70b is connected to the drive mechanism 70. It is fixed to the guide member 54. Therefore, when the unit frame 21 is fastened to the building and the wire 71 is wound in a state where the fastening of the guide member 54 to the building is released, the guide member 54 moves upward relative to the unit frame 21, and the unit frame The body 21 descends relative to the guide member 54. On the other hand, when the fastening of the unit frame 21 to the building is released and the wire 71 is wound in a state where the guide member 54 is fastened to the building, the unit frame 21 moves upward relative to the guide member 54, and the guide member 54 descends relative to the unit frame 21.
[0044]
The upward movement of the unit frame 21 relative to the guide member 54 and the upward movement of the guide member 54 relative to the unit frame 21 may be performed by a crane or winch (not shown) attached to the building. The winch constitutes a drive mechanism.
[0045]
Next, a method for using the work unit 20 will be described.
[0046]
FIG. 15 is an explanatory view showing a use state of the work unit 20 of the present invention, FIG. 16 is an explanatory view showing a state in which the upward movement of the unit frame relative to the guide member is started, and FIG. 17 is an upward view of the unit frame. FIG. 18 is an explanatory view showing a state in which the movement is finished, FIG. 18 is an explanatory view showing a state in which the upward movement of the guide member to the unit frame is started, and FIG. 19 shows a state in which the upward movement of the guide member is finished. It is explanatory drawing.
[0047]
In order to perform various building work such as exterior painting work on the building 10, first, a predetermined number of work units 20 are arranged around the entire lower part of the building 10 or at a necessary place. As shown in FIG. 15, the work unit 20 is fixed to the housing part 11 b and the housing part 11 c via the fasteners 58 and the fasteners 44 of the guide member 54, and at this time, the unit frame 21 is connected to the guide member 54. Is in the lower limit position.
[0048]
Each of the vertical columns 22 of the unit frame 21 is connected to the frame portion by a plurality of scaffold plate support beams 32, and a scaffold plate 40 is detachably laid on the support beam main body 35 of each scaffold plate support beam 32. The worker performs various building operations such as exterior coating on the scaffold board 40.
[0049]
In order to complete the work on the lower floor with the progress of the building work and further perform the construction work on the upper floor, first, as shown in FIG. 16, the fasteners 44 provided on the unit frame 21 are provided. The fastening to the housing part 11b and the housing part 11c is released, and the fastening arm 50 is rotated in the direction of the arrow a to repel it from the fastening position to the retracted position. One end of a wire 72 such as a crane or winch is fixed to the unit frame 21 and the wire 72 is lifted by a hoist such as a crane or a hoist. When the unit frame 21 reaches the height position shown in FIG. 17, the fastening arm 50 of the fastener 44 is rotated in the direction of the arrow b to be horizontal, and fastened to the housing 11b and the housing 11c. At this time, the unit frame 21 is at an upper limit position where it can move upward relative to the guide member 54.
[0050]
Further, in order to perform construction work on the upper floor, as shown in FIG. 18, the fastening arm 60 of the fastener 58 is removed from the housing part 11b and the housing part 11c, rotated in the direction of the arrow a, and retracted from the fastening position. Repel to the position. Thereafter, the winder 70b of the drive mechanism 70 is driven to wind the wire 71 and lift the guide member 54. FIG. 19 shows a state in which the guide member 54 is in the ascending limit position with respect to the unit frame 21. When the guide member 54 reaches this height position, the two fasteners 58 are rotated in the direction of the arrow b. It is made to be a horizontal fastening position, and it fastens to body part 11d and body part 11e, respectively.
[0051]
As described above, the work unit 20 according to the present invention merely releases the fastening of the unit frame 21 or the guide member 54 with respect to at least one of the housing portions during the refilling operation, and moves up quickly. be able to. In addition, since the work unit 20 of the present invention performs the replacement work in a state where at least one of the unit frame 21 or the guide member 54 is fastened to the housing part, the work unit 20 may be shaken by a strong wind and collide with the housing part. Therefore, the refilling operation can be executed in a stable state at all times.
[0052]
One work unit has a vertical dimension of a plurality of floors of a building and a predetermined width dimension, and a plurality of work units are used for one building. As shown in FIG. 1, one work unit 20 and another work unit 20 are arranged outside the building 10 at a predetermined interval. Accordingly, the scaffolding plate support beam 32 located on one side of the unit frame 21 is provided with a transit scaffolding plate so that an operator can move from one working unit 20 to another working unit 20 adjacent thereto. 73 is rotatably mounted.
[0053]
As shown in FIGS. 1, 8, and 10, a ladder 74 is attached to the vertical column 22 located on one side of the unit frame 21. Ladder support beams (not shown) are attached to the vertical columns 22 horizontally at predetermined intervals and outwardly of the unit frame 21 in parallel with the outer surface of the unit frame 21. The ladder 74 is a ladder. It is attached to the support beam. Therefore, when the worker moves the scaffold in the vertical direction, the ladder 74 is moved up and down.
[0054]
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, the size of each unit frame body 21 and the number of steps of the scaffolding plate 40 attached to the unit frame body 21 can be arbitrarily set according to the construction site. In this embodiment, the drive mechanism 70 uses a winch as a hoisting machine, but other mechanisms such as a manual hoisting machine may be used, and a pulley other than the illustrated embodiment may be used. Various modes can be taken by providing or adjusting the mounting position. Instead of the wires 71 and 72, a chain or a rope may be used. Furthermore, in the said embodiment, although mentioned only about the case where the work unit 20 is moved to an upper floor, it is also possible to move it to a lower floor. Furthermore, in the illustrated case, the case where the scaffold plate 40 is attached to the unit frame 21 has been described. However, only the safety net 19 may be attached to the unit frame 21 without attaching the scaffold plate 40. In addition, the fastening arm 50 of the fastener 44 and the fastening arm 60 of the fastener 58 have been described with respect to the case where they rotate in the vertical direction and the case where they rotate in the horizontal direction, but they slide between the fastening position and the retracted position. You may make it do.
[0055]
【The invention's effect】
As described above, the work unit according to the present invention performs the replacement work in a state in which either the unit frame body or the guide member is fastened to the housing part, so that the work unit that is beaten by the strong wind collides with the housing part. There is no need to worry about refilling operations in a stable state.
[0056]
And since the unit frame body in which the vertical support | pillar and the cross member were integrally formed is used, it can move to an upper floor with the scaffolding board attached, and a replacement work can be implemented rapidly.
[Brief description of the drawings]
FIG. 1 is a front view showing a state in which a work unit of the present invention is attached to the outside of a building.
2 is a plan view of FIG. 1. FIG.
FIG. 3 is a view taken in the direction of the arrows along the line AA in FIG. 1;
4A is a side view showing a column member, FIG. 4B is a front view showing the column member, and FIG. 4C is a perspective view showing a part of the column member.
5A is a partial cross-sectional view showing a beam member, FIG. 5B is a front view showing the beam member, FIG. 5C is a perspective view showing a part of the beam member, and FIG. FIG. 3 is a perspective view showing a part of a beam member.
FIG. 6 is a perspective view showing a scaffolding plate support beam.
7 is an enlarged perspective view of a portion B in FIG. 1. FIG.
8A is a plan view showing a scaffold plate, and FIG. 8B is a front view showing the scaffold plate.
FIG. 9 is a perspective view showing a fastener.
10 is an enlarged perspective view of a portion C in FIG.
FIG. 11 is a perspective view showing a modified example of the fastener.
12 is an enlarged view of a portion A in FIG. 3;
FIG. 13 is an enlarged perspective view showing a part of the guide member.
14 is an enlarged cross-sectional view of a portion A in FIG.
FIG. 15 is an explanatory diagram showing a usage state of the work unit of the present invention.
FIG. 16 is an explanatory diagram showing a state in which the upward movement of the unit frame relative to the guide member is started.
FIG. 17 is an explanatory diagram illustrating a state in which the upward movement of the unit frame has been completed.
FIG. 18 is an explanatory diagram showing a state in which the upward movement of the guide member to the unit frame is started.
FIG. 19 is an explanatory view showing a state where the upward movement of the guide member is completed.
[Explanation of symbols]
10 Building
11a-11g Body part
19 Safety net
20 work units
21 Unit frame
22 Vertical support
23 Horizontal beams
24 Column members
25 Beam members
26 Spacer
27 Mounting hole
28 Spacer
29 Mounting hole
30 Through hole
31 Connecting member
32 Scaffolding support beams
33 Through hole
34 Connecting members
35 Support beam body
36 Support beam auxiliary part
35a, 36a Sliding pipe
37 Receiver
38 Fastening member
40 Scaffolding board
41 Frame
42 Fabric board
43 Hook
44 Fastener
45 Through hole
46 Connecting member
47 Fastening beam
47a Hinge part
48 sleeve
49 Fastening screw
50 Fastening arm
51 Positioning hole
52 Reinforcing material
53 Coupling means
54 Guide members
55a, 55b Longitudinal
56a, 56b
57 Frame
58 Fastener
59 Guide roller support
60 Fastening arm
61 Stopper
62 sleeve
63 Fastening screw
64 Fastening piece
65 Positioning hole
66 Guide groove
67 Fastening beam
68 Support arm
69 Roller part
70 Drive mechanism
71, 72 wires
73 Transition Scaffold Board
74 Ladder

Claims (8)

A unit frame having a plurality of vertical columns extending in the vertical direction and a plurality of horizontal beams extending in the horizontal direction and connecting the vertical columns, and disposed outside the building;
A guide member disposed between the unit frame and the building, and connected to the unit frame so as to be movable up and down relatively;
A drive mechanism for moving the guide member relatively up and down relative to the unit frame;
First fastening means for detachably fastening the unit frame to the building;
Second fastening means for detachably fastening the guide member to the building;
A scaffolding plate support beam projecting horizontally from the unit frame toward the building;
A scaffold plate having both ends detachably attached to the scaffold plate support beam adjacent in the horizontal direction;
Each of the vertical struts is formed by connecting a plurality of column members each having a connecting portion at the upper and lower end portions and having attachment holes formed at predetermined intervals along the longitudinal direction,
Each of the horizontal beams is formed by connecting a plurality of beam members having a connecting portion at a horizontal end portion in the horizontal direction, respectively.
Under a state in which the guide member is moved to the upper floor along the unit frame under the state where the fastening of the guide member to the building is released, and the fastening of the unit frame to the building is released And moving the unit frame to the upper floor along the guide member. A unit frame having a plurality of vertical columns extending in the vertical direction and a plurality of horizontal beams extending in the horizontal direction and connecting the vertical columns, and disposed outside the building;
A guide member disposed between the unit frame and the building, and connected to the unit frame so as to be movable up and down relatively;
A drive mechanism for moving the guide member relatively up and down relative to the unit frame;
First fastening means for detachably fastening the unit frame to the building;
Second fastening means for detachably fastening the guide member to the building;
Having a safety net attached to the unit frame,
Each of the vertical struts is formed by connecting a plurality of column members each having a connecting portion at the upper and lower end portions and having attachment holes formed at predetermined intervals along the longitudinal direction,
Each of the horizontal beams is formed by connecting a plurality of beam members having a connecting portion at a horizontal end portion in the horizontal direction, respectively.
Under a state in which the guide member is moved to the upper floor along the unit frame under the state where the fastening of the guide member to the building is released, and the fastening of the unit frame to the building is released And moving the unit frame to the upper floor along the guide member.   3. The work unit according to claim 1, wherein the drive mechanism includes a hoisting machine provided on the unit frame, and wires fixed at both ends to the hoisting machine and the guide member. The working unit, wherein when operated, the guide member moves up and down with respect to the unit frame.   The work unit according to claim 1, wherein the fastening means includes a fastening beam that moves between a fastening position and a retracted position. The work unit according to any one of claims 1 to 4 , wherein the column member is configured by a pair of channel members that are arranged to face each other in the opposite direction and are coupled via a spacer. The working unit is characterized in that mounting holes are formed at predetermined intervals along the longitudinal direction on each facing surface. The work unit according to any one of claims 1 to 5 , wherein the beam member is configured by a pair of channel members that are arranged to face each other in the opposite direction and are coupled via a spacer. A work unit comprising a connecting portion in which a through hole corresponding to the mounting hole is formed. The work unit according to any one of claims 1 to 6 , wherein the fastening means attached to the vertical column has a connecting portion in which a through hole corresponding to the attachment hole of the column member is formed. Work unit. The work unit according to any one of claims 1 to 7 , wherein a ladder support beam is provided to protrude laterally in parallel with the unit frame toward the outside on the side of the unit frame. A ladder attached between the ladder support beams adjacent to each other in the vertical direction, and a crossing scaffold plate rotatably mounted on the scaffold plate support beam located on the side, and an operator makes the ladder A working unit characterized in that it can move up and down via a crossing and can move to work units adjacent to each other via the crossing scaffolding plate.

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