Morning glory device

Abstract

To provide a morning glory device which can be easily lifted onto a temporary scaffold and assembled. [Solution] In a morning glory device having a main surface material 3 that is installed at an angle on temporary scaffolding, the main surface material 3 has a lower unit 16 that is connected to the temporary scaffolding and panel units 9, 10, and 11 that are connected to the lower unit 16.

Description

[Technical Field]

[0001] The present invention relates to a morning glory device installed on temporary scaffolding. [Background technology]

[0002] A soffit device is a safety device installed on temporary scaffolding to catch materials, tools, or other objects that unexpectedly fall from the top of the scaffolding, preventing them from falling to the ground. For example, as shown in Patent Document 1 or Patent Document 2, the soffit device includes a main surface member that catches the falling objects and a diagonal member that is positioned below the main surface member and supports the main surface member. The main surface member is composed of a plate-shaped member and a picture-frame-like frame that surrounds the periphery of the plate-shaped member. The main surface member is then assembled at the construction site, then lifted onto the temporary scaffolding and connected to it. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2023-71461 [Patent Document 2] Japanese Patent Publication No. 2022-119348 Summary of the Invention [Problem to be solved by the invention]

[0004] The main panel dimensions are as large as 1.8m square and weigh more than 50kg. Therefore, it is virtually impossible to manually lift the main panel assembled on the ground onto the temporary scaffolding. A hoist or crane is required to lift the main panel. This poses the problem of increased effort and cost.

[0005] Furthermore, the temporary scaffolding market is a mix of metric and inch-standard scaffolding, with the two having slightly different standard dimensions. For example, the basic spacing between posts in metric-standard temporary scaffolding is 1800 mm, while the basic spacing between posts in inch-standard temporary scaffolding is 1829 mm (= 6 ft). As a result, it was necessary to separately manufacture and supply dedicated metric-standard and inch-standard scaffolding to the market. This resulted in problems such as increased costs related to manufacturing and product management.

[0006] The present invention has been made in consideration of the above circumstances, and aims to provide a morning glory device that is easy to lift onto and assemble on temporary scaffolding. It also aims to provide a morning glory device that can be used on both metric and inch-standard temporary scaffolding. [Means for solving the problem]

[0007] In order to achieve the above object, the morning glory device of the present invention is a morning glory device having a main surface material that is installed at an angle on temporary scaffolding, and the main surface material is provided with a lower unit that is connected to the temporary scaffolding and a panel unit that is connected to the lower unit.

[0008] The main surface material may be provided with a single panel unit, and a lower fixing connecting means may be provided between the panel unit and the lower unit to fix the panel unit to the lower unit.

[0009] The main panel may include a plurality of panel units arranged in the width direction of the main panel, and an upper unit that contacts the upper edges of the plurality of panel units. The lower unit may include a slide connecting means that connects at least one of the plurality of panel units so that it can slide in the width direction of the main panel, and a stopper that is fixed to the slide connecting means and abuts against the panel unit slidably connected to the slide connecting means, thereby limiting the sliding range of the panel unit. Furthermore, the upper unit may include an upper connecting fixing means that connects at least one of the plurality of panel units to the upper unit. In addition, panel connecting means may be provided between adjacent panel units to connect the adjacent panel units to each other.

[0010] The main panel may include two panel units, one of which may be slidably connected to the lower unit via a slide connecting means, and the other of which may be fixed to the lower unit via a lower fixing connecting means that is located between the panel unit and the lower unit and fixes the panel unit to the lower unit.

[0011] The main panel may include a middle panel unit disposed at the center of the main panel in the width direction of the main panel, and a left panel unit and a right panel unit disposed on the left and right of the middle panel unit. The left panel unit and the right panel unit may be slidably connected to the lower unit via a slide connecting means and fixed to the upper unit via an upper fixing connecting means.

[0012] It may also be provided with a stopper position changing means for changing the mounting position of the stopper relative to the slide connecting means in the width direction of the main panel, and a fixed position changing means for changing the mounting position of the upper fixed connecting means relative to the upper unit in the width direction of the main panel.

[0013] The stopper position changing means and the fixed position changing means may be adapted to change the mounting position of the stopper and the mounting position of the upper fixed connecting means, respectively, between positions corresponding to metric-standard temporary scaffolding and positions corresponding to inch-standard temporary scaffolding.

[0014] A shielding member may be provided that is disposed below the base of the main panel and fixed to the temporary scaffolding to cover the gap between the temporary scaffolding and the main panel. The shielding member may include a front member that is fixed to the temporary scaffolding and a rear member that is connected to the front member via a hinge. [Effects of the Invention]

[0015] According to the present invention, the main surface material is composed of a lower unit and a panel unit. Therefore, the lower unit and the panel unit can be individually lifted onto the temporary scaffolding, and then joined together on the temporary scaffolding to assemble the main surface material. This makes it easy to attach the main surface material to the temporary scaffolding without using mechanical force. Furthermore, the spacing between the panel units can be changed to change the width of the main surface material. Therefore, the morning glory device can be used for both metric and inch-standard temporary scaffolding. [Brief explanation of the drawings]

[0016] [Figure 1] FIG. 1 is a perspective view showing a state in which a morning glory device according to a first embodiment of the present invention is attached to temporary scaffolding. [Figure 2] 2 is a plan view of the main surface material provided in the morning glory device shown in FIG. 1, viewed from the temporary scaffolding side. [Figure 3] 3 is a plan view showing the configuration of a left panel unit provided on the main surface material shown in FIG. 2. FIG. [Figure 4] 3 is a plan view showing the configuration of an intermediate panel unit provided in the main surface material shown in FIG. 2. FIG. [Figure 5] 3 is a plan view showing the configuration of a right panel unit provided in the main surface material shown in FIG. 2. FIG. [Figure 6]3(A) is a plan view of a lower unit provided in the main panel shown in FIG. 2, and FIG. 3(B) is a vertical cross-sectional view of the lower unit. [Figure 7] 3(A) is a bottom view of an upper unit provided in the main panel shown in FIG. 2, and FIG. 3(B) is a vertical cross-sectional view of the upper unit. [Figure 8] 8(A) is a plan view showing the state in which the horizontal slider is supported by the horizontal slide guide rail, and (B) is a cross-sectional view showing the horizontal slider and the horizontal slide guide rail cut along the cross section indicated by line BB' in FIG. 8(A). [Figure 9] (A) is a plan view showing the state in which the vertical slider is supported by the vertical slide guide rail, and (B) is a cross-sectional view showing the vertical slider and the vertical slide guide rail in (A) cut along the cross section indicated by line BB'. [Figure 10] These figures show the structure and function of the upper unit fixing bracket and the support bracket, where (A) is an oblique view showing the state before the upper unit fixing bracket and the support bracket are joined together, and (B) is an oblique view showing the state after they are joined together. [Figure 11] This is a perspective view showing the structure of the joint between the support bracket and the upper unit, and explaining how to change the fixing position of the support bracket. Note that (A) and (B) have different fixing positions for the support bracket. [Figure 12] 10A and 10B are explanatory diagrams illustrating the function of the stopper, in which FIG. 10A shows the state before the horizontal slider abuts against the stopper, and FIG. 10B shows the state after the horizontal slider abuts against the stopper. [Figure 13] 10 is a plan view showing the configuration of the joint between the stopper and the horizontal slide guide rail. FIG. [Figure 14] 3A and 3B are diagrams for explaining the configuration and function of the shielding member provided in the main surface material shown in FIG. 2, in which (A) is a perspective view of the shielding member, and (B) is a view of the shielding member as seen from the direction indicated by arrow B in (A). [Figure 15] 3(A) to 3(D) are explanatory diagrams illustrating the procedure for assembling the main panel shown in FIG. 2 and attaching it to a temporary scaffolding in chronological order. [Figure 16]15(A) to 15(D) are explanatory diagrams illustrating the procedure for assembling the main panel shown in FIG. 2 and attaching it to a temporary scaffolding in chronological order. [Figure 17] 3A and 3B are diagrams explaining the function of the main surface material shown in FIG. 2, in which (A) shows the state in which the main surface material has been adjusted to a width corresponding to the meter size, and (B) shows the state in which the main surface material has been adjusted to a width corresponding to the inch size. [Figure 18] FIG. 10 is a plan view of a main surface material provided in a morning glory device according to a second embodiment of the present invention. [Figure 19] 19 is a plan view showing the configuration of a right panel unit provided in the main surface member shown in FIG. 18. FIG. [Figure 20] This is an oblique view explaining the structure and function of the clasp and the receiving plate, where (A) shows the state before the clasp is engaged with the receiving plate, and (B) shows the state after the clasp is engaged with the receiving plate. DETAILED DESCRIPTION OF THE INVENTION

[0017] The configuration and operation of the morning glory device according to the embodiment of the present invention will be described in detail below with reference to the drawings. Note that in each drawing, the same or equivalent parts are given the same reference numerals.

[0018] (First embodiment) FIG. 1 is a perspective view showing a morning glory device 1 according to a first embodiment of the present invention attached to temporary scaffolding 2. As shown in FIG. 1, the morning glory device 1 comprises a main surface member 3 that receives falling objects, a shielding member 4 that covers the gap between the temporary scaffolding 2 and the main surface member 3, and a diagonal member 5 that is arranged below the main surface member 3 and supports the main surface member 3 from below. Also, as shown in FIG. 1, an upper bracket 7 and a lower bracket 8 are fixed to each of a pair of supports 6 arranged in front of the temporary scaffolding 2. Note that the upper bracket 7 fixed to the support 6 on the right side in FIG. 1 is behind the main surface member 3 and cannot be seen.

[0019] The main panel member 3 is supported at its base end by the upper bracket 7 so as to be able to swing freely. The base end of the diagonal member 5 is supported by the lower bracket 8 so as to be able to swing freely, and the tip end of the diagonal member 5 is connected to the main panel member 3 so as to be able to swing freely. The diagonal member 5 is configured to be able to expand and contract freely. Because it is configured in this way, by changing the length of the diagonal member 5, the inclination of the main panel member 3 relative to the temporary scaffolding 2 can be freely changed.

[0020] (Overall composition of main surface material) 2 is a plan view of the main surface material 3 provided in the morning glory device 1 shown in FIG. 1, as seen from the temporary scaffolding 2 (not shown in FIG. 2). When the morning glory device 1 is installed on the temporary scaffolding 2, that is, in the state shown in FIG. 1, the main surface material 3 includes a left panel unit 9, a middle panel unit 10, and a right panel unit 11 that are arranged horizontally. Note that, hereinafter, these may be collectively referred to as "panel units 9-11."

[0021] Each of the panel units 9 to 11 includes a panel 12 and a frame 13 surrounding the panel 12. The panel 12 is made of fiber reinforced plastic (FRP), and the frame 13 is made of aluminum alloy. Horizontal members 14 and diagonal braces 15 are attached to the frame 13. This configuration ensures the strength and rigidity required for the panel units 9 to 11. Furthermore, the panel units 9 to 11 can be made lightweight. The detailed configuration of the panel units 9 to 11 will be described later.

[0022] 2, the main surface material 3 includes a lower unit 16 that contacts the lower sides of the panel units 9 to 11, and an upper unit 17 that contacts the upper sides of the panel units 9 to 11. In other words, the main surface material 3 is configured with the panel units 9 to 11 sandwiched between the lower unit 16 and the upper unit 17. The detailed configurations of the lower unit 16 and the upper unit 17 will be described later.

[0023] For ease of explanation, the XYZ coordinate system shown in Fig. 2 will be used below. That is, the X axis is taken in the width direction of the main surface material 3, the Y axis is taken in the height direction of the main surface material 3, and the Z axis is taken in the thickness direction of the main surface material 3. The Z axis passes through the paper surface of the drawing, and the positive direction is the direction from the back to the front of the paper surface.

[0024] (Left panel unit) Fig. 3 is a plan view showing the configuration of the left panel unit 9. As shown in Fig. 3, a horizontal slider 18 is disposed on the lower side of the left panel unit 9, that is, on the side facing the lower unit 16 (not shown in Fig. 3), and is fixed to the frame 13. The function of the horizontal slider 18 will be described later.

[0025] On the right side of the left panel unit 9, that is, the side facing the middle panel unit 10 (not shown in FIG. 3), two vertical slide guide rails 19 are arranged at a distance from each other and fixed to the frame 13. The function of the vertical slide guide rails 19 will be described later. In addition, a gap closing plate 9a is fixed to the right side of the left panel unit 9. The gap closing plate 9a is a plate material that is placed on top of the middle panel unit 10 to close the gap between the left panel unit 9 and the middle panel unit 10.

[0026] An upper unit fixing bracket 20 is disposed on the top side of the left panel unit 9, i.e., the side facing the upper unit 17 (not shown in FIG. 3), and is fixed to the frame 13. The function of the upper unit fixing bracket 20 will be described later. In addition, a rope attachment bracket 21 is disposed on the left shoulder of the left panel unit 9 and is fixed to the frame 13.

[0027] (Middle panel unit) 4 is a plan view showing the configuration of the middle panel unit 10. As shown in FIG. 4, two vertical sliders 22 are arranged at a distance from each other on the right and left sides of the middle panel unit 10 and fixed to the frame 13. The vertical slider 22 arranged on the left side of the middle panel unit 10 slidably engages with a vertical slide guide rail 19 provided on the left panel unit 9 (not shown in FIG. 4). The vertical slider 22 arranged on the right side of the middle panel unit 10 slidably engages with a vertical slide guide rail 19 provided on the right panel unit 11 (not shown in FIG. 4), which will be described later.

[0028] 4, gap closing plates 10a are fixed to the right and left sides of the middle panel unit 10. The gap closing plates 10a are placed on the left panel unit 9 or the right panel unit 11 in the state shown in FIG. 2 to close the gap between the left panel unit 9 or the right panel unit 11 and the middle panel unit 10.

[0029] (Right panel unit) FIG. 5 is a plan view showing the configuration of the right panel unit 11. The right panel unit 11 has basically the same configuration as the left panel unit 9 (not shown in FIG. 5), but the components are arranged left and right reversely. That is, the vertical slide guide rail 19 is arranged on the left side of the right panel unit 11, and the rope attachment fitting 21 is arranged on the right shoulder of the right panel unit 11. In addition, a gap closing plate 11a is fixed to the left side of the right panel unit 11. The gap closing plate 11a is a plate material that is placed on the middle panel unit 10 (not shown in FIG. 5) to close the gap between the right panel unit 11 and the middle panel unit 10.

[0030] (Slide connection means) FIG. 6(A) is a plan view of the lower unit 16, and FIG. 6(B) is a longitudinal cross-sectional view of the lower unit 16. That is, FIG. 6(B) is a cross-sectional view of the lower unit 16 taken along the line BB′ in FIG. 6(A), and FIG. 6(A) is a view of the lower unit 16 as seen from the direction indicated by arrow A in FIG. 6(B). As shown in FIGS. 6(A) and 6(B), two horizontal slide guide rails 23 are fixed to the lower unit 16. The horizontal slide guide rail 23 located on the left side of the drawing slidably supports the horizontal slider 18 fixed to the left panel unit 9 (not shown in FIG. 6). The horizontal slide guide rail 23 located on the right side slidably supports the horizontal slider 18 fixed to the right panel unit 11 (not shown in FIG. 6). In this way, the horizontal slide guide rails 23 are fixed to the lower unit 16 and function as slide connecting means that slidably connects the left panel unit 9 or the right panel unit 11 to the main panel 3 in the width direction.

[0031] (Stopper) In addition, a stopper 24 is fixed to the horizontal slide guide rail 23. The stopper 24 fixed to the horizontal slide guide rail 23 located on the left side in Fig. 6 prevents the left panel unit 9 from moving leftward beyond the stopper 24. The stopper 24 fixed to the horizontal slide guide rail 23 located on the right side in Fig. 6 prevents the right panel unit 11 from moving rightward beyond the stopper 24. The detailed configurations and functions of the horizontal slide guide rail 23 and the stopper 24 will be described later.

[0032] 6(B), two hinge brackets 25 are fixed to the lower unit 16. The hinge brackets 25 are pin-supported to the upper bracket 7 (not shown in FIG. 6) to form a hinge. The main panel 3 (not shown in FIG. 6) is supported by the upper bracket 7 so that it can swing freely.

[0033] (Upper unit) FIG. 7(A) is a bottom view of the upper unit 17, and FIG. 7(B) is a vertical cross-sectional view of the upper unit 17. That is, FIG. 7(B) is a cross-sectional view of the upper unit 17 taken along line BB' in FIG. 7(A), and FIG. 7(A) is a view of the upper unit 17 as seen from the direction indicated by arrow A in FIG. 7(B). As shown in FIGS. 7(A) and 7(B), two brackets 26 are fixed to the upper unit 17. The bracket 26 located on the left side of the figure engages with an upper unit fixing bracket 20 fixed to the left panel unit 9 (not shown in FIG. 7) to fix the left panel unit 9 to the upper unit 17. The bracket 26 located on the right side of the figure engages with an upper unit fixing bracket 20 fixed to the right panel unit 11 to fix the right panel unit 11 to the upper unit 17. The detailed configurations and functions of the upper unit fixing bracket 20 and the bracket 26 will be described later.

[0034] (Action of slide connecting means) Fig. 8(A) is a plan view showing the horizontal slider 18 supported by the horizontal slide guide rail 23, and Fig. 8(B) is a cross-sectional view showing the horizontal slider 18 and the horizontal slide guide rail 23 taken along the line BB' in Fig. 8(A). The horizontal slider 18 slides freely in the X-axis direction relative to the horizontal slide guide rail 23. In other words, the horizontal slider 18 slides freely in the width direction of the main surface material 3 (not shown in Fig. 8). On the other hand, movement of the horizontal slider 18 in the Y-axis and Z-axis directions relative to the horizontal slide guide rail 23 is restricted.

[0035] (Panel connection means) 9(A) is a plan view showing the vertical slider 22 fitted into the vertical slide guide rail 19, and FIG. 9(B) is a cross-sectional view showing the vertical slider 22 and the vertical slide guide rail 19 taken along the line BB' in FIG. 9(A). As is clear from FIG. 9(B), the vertical slider 22 can be displaced in the X-axis direction within the range of the depth d of the vertical slide guide rail 19, but any further displacement in the X-axis direction is limited. Therefore, the vertical slider 22 and the vertical slide guide rail 19 function as panel connecting means that connects adjacent panel units between the middle panel unit 10 and the left panel unit 9, or between the middle panel unit 10 and the right panel unit 11.

[0036] As will be described later, the widthwise dimension of the main panel material 3 can be changed as needed. In order to change the widthwise dimension of the main panel material 3, the distance between the middle panel unit 10 and the left panel unit 9 and the distance between the middle panel unit 10 and the right panel unit 11 are changed. Therefore, as described above, the vertical slider 22 can be displaced in the X-axis direction within the range of the depth d of the vertical slide guide rail 19, making it possible to change the distance between the panel units 9, 10, and 11.

[0037] (Top connection fixing means) 10A and 10B are perspective views showing the state before the upper unit fixing bracket 20 and the receiving bracket 26 are joined together, and Fig. 10B is a perspective view showing the state after the upper unit fixing bracket 20 and the receiving bracket 26 are joined together. As described above, the upper unit fixing bracket 20 is fixed to the upper edge of the left panel unit 9, and the receiving bracket 26 is fixed to the upper unit 17.

[0038] As shown in Figure 10(A), the upper unit fixing bracket 20 has a tab 20a, and a round hole is formed in the tab 20a. The receiving bracket 26 is a member formed by bending a metal plate into a U-shape, and a slit 26a is formed in the surface of the receiving bracket 26 that comes into contact with the upper unit 17. An opening (not shown) is formed in the surface that comes into contact with the upper unit 17. A pin 26b is attached to one end of the U-shaped receiving bracket 26 so that it can move forward and backward. A through-hole through which the pin 26b is inserted is formed in the other end of the receiving bracket 26. Figure 10(A) shows the state in which the pin 26b has been pulled out of the through-hole at the other end of the receiving bracket 26.

[0039] As shown in FIG. 10(B), when the upper unit 17 is placed over the top edge of the left panel unit 9 and attached to it, the tab 20a of the upper unit fixing bracket 20 passes through the slit 26a and protrudes above the receiving bracket 26. In this state, when the pin 26b is advanced, the pin 26b is inserted into the round hole formed in the tab 20a. When the pin 26b is advanced further, the pin 26b is inserted into the insertion hole formed in the other end of the receiving bracket 26. This results in the state shown in FIG. 10(B). As a result, the upper unit fixing bracket 20 cannot be separated from the receiving bracket 26. In other words, the upper unit fixing bracket 20 is coupled to the receiving bracket 26. As a result, the left panel unit 9 or the right panel unit 11 (not shown in FIG. 10) is connected and fixed to the upper unit 17. In this way, the receiving bracket 26 functions as an upper connecting and fixing means for connecting the left panel unit 9 or the right panel unit 11 to the upper unit 17.

[0040] (Means for changing fixed position) FIG. 11 is a perspective view showing the configuration of the interface between the receiving bracket 26 and the upper unit 17 and explaining a method for changing the fixing position of the receiving bracket 26. The fixing position of the receiving bracket 26 differs between FIGS. 11(A) and 11(B). Although only one bolt 26c is visible in FIGS. 11(A) and 11(B), the receiving bracket 26 is fixed to the upper unit 17 with two bolts 26c. Two pairs of bolt holes 26d, 26e are drilled spaced apart in the receiving bracket 26. In the state shown in FIG. 11(A), the bolt 26c is inserted through the bolt hole 26e, and the bolt hole 26d is open. In the state shown in FIG. 11(B), the bolt 26c is inserted through the bolt hole 26d, and the bolt hole 26e is open. On the other hand, only one pair of bolt holes (not shown) is drilled in the upper unit 17. Therefore, in the state shown in FIGS. 11(A) and 11(B), the bolts 26c are inserted through the same bolt holes drilled in the upper unit 17.

[0041] With this configuration, by selecting either bolt hole 26d or 26e and inserting bolt 26c therein, the fixed position of receiving bracket 26 can be changed by a distance corresponding to the distance between bolt holes 26d and 26e. In the state shown in FIG. 11(A), receiving bracket 26 is fixed in a position shifted to the right compared to the state shown in FIG. 11(B). In the state shown in FIG. 11(B), receiving bracket 26 is fixed in a position shifted to the left compared to the state shown in FIG. 11(A). In this way, receiving bracket 26 can be moved in the width direction of main panel 3 to change the fixed position of receiving bracket 26 on upper unit 17. In this way, bolt holes 26d and 26e function as a fixing position change means for changing the fixed position of receiving bracket 26.

[0042] (Stopper action) 12A and 12B are explanatory diagrams illustrating the function of the stopper 24. FIG. 12A shows the state before the horizontal slider 18 contacts the stopper 24, and FIG. 12B shows the state after the horizontal slider 18 contacts the stopper 24. As described above, the horizontal slider 18 is slidably supported by the horizontal slide guide rail 23. In the state shown in FIG. 12A, the left panel unit 9 slides freely relative to the lower unit 16. However, as described above, since the stopper 24 is fixed to the horizontal slide guide rail 23, when the left panel unit 9 is moved further to the left from the state shown in FIG. 12A, the horizontal slider 18 eventually contacts the stopper 24 as shown in FIG. 12B. As a result, the movement of the left panel unit 9 relative to the lower unit 16 is stopped. In this way, the stopper 24 limits the sliding range of the left panel unit 9.

[0043] (Stopper position changing means) FIG. 13 is a plan view showing the configuration of the interface between the stopper 24 and the horizontal slide guide rail 23. As shown in FIG. 13, the stopper 24 is fixed to the horizontal slide guide rail 23 with a bolt 24a. An elongated hole 23a is drilled in the horizontal slide guide rail 23, and the bolt 24a is inserted through the elongated hole 23a. Therefore, the fixed position of the stopper 24 relative to the horizontal slide guide rail 23 can be changed in the longitudinal direction of the elongated hole 23a, that is, in the width direction of the main panel member 3 (not shown in FIG. 13). Furthermore, the longitudinal axis of the elongated hole 23a extends in the width direction of the main panel member 3. With this configuration, the attachment position of the stopper 24 relative to the horizontal slide guide rail 23 can be changed by moving the stopper 24 in the width direction of the main panel member 3. In this way, the elongated hole 23a functions as a stopper position change means for changing the attachment position of the stopper 24 relative to the horizontal slide guide rail 23.

[0044] (Shielding member) FIG. 14 illustrates the structure and function of the shielding member 4. FIG. 14(A) is a perspective view of the shielding member 4, and FIG. 14(B) is a view of the shielding member 4 as seen from the direction indicated by arrow B in FIG. 14(A). As described above, the shielding member 4 is a member that covers the gap between the temporary scaffolding 2 (not shown in FIG. 14) and the main panel 3. As shown in FIGS. 14(A) and 14(B), the shielding member 4 has an overall "channel-shaped" or "gutter-shaped" external shape. The shielding member 4 is composed of a front member 4a and a rear member 4b, which are connected to each other via a hinge 4c. The hinge 4c between the front member 4a and the rear member 4b allows the shielding member 4 to be folded around the hinge 4c for transportation or storage, thereby reducing its external dimensions. When securing the shielding member 4 to the temporary scaffolding 2, the end of the front member 4a is connected to the upper bracket 7.

[0045] 14(B), the shielding member 4 is disposed below the base end of the main surface member 3. Therefore, when a fallen object (not shown) falls onto the main surface member 3 and slides down the main surface member 3, the fallen object is caught by the shielding member 4. In particular, the rear member 4b functions as a barrier to prevent the fallen object from flying out toward the temporary scaffolding 2.

[0046] (Assembly procedure for main surface materials) Figures 15(A) to (D) and Figures 16(A) to (D) are explanatory diagrams illustrating the procedure for assembling the main surface members 3 and attaching them to the temporary scaffolding 2. Below, the procedure for assembling the main surface members 3 and attaching them to the temporary scaffolding 2 will be explained with reference to Figures 15(A) to (D) and Figures 16(A) to (D) in order. First, as shown in Figure 15(A), the upper bracket 7 is fixed to the temporary scaffolding 2. Then, the shielding member 4 is pulled up onto the temporary scaffolding 2, and the shielding member 4 is connected to the upper bracket 7. Next, the lower unit 16 is pulled up onto the temporary scaffolding 2, and the lower unit 16 is connected to the upper bracket 7.

[0047] Once the lower unit 16 is joined to the upper bracket 7, as shown in FIG. 15(B), the left panel unit 9 is pulled up onto the lower unit 16 to attach the left panel unit 9 to the lower unit 16. At this time, the horizontal slider 18 (not shown) provided on the left panel unit 9 is inserted into the horizontal slide guide rail 23 (not shown) provided on the lower unit 16. Once the horizontal slider 18 is inserted into the horizontal slide guide rail 23, the left panel unit 9 is slid leftward in FIG. 15. When the left panel unit 9 is slid leftward, the horizontal slider 18 provided on the left panel unit 9 abuts against a stopper 24 (not shown) fixed to the horizontal slide guide rail 23, so that the left panel unit 9 is positioned at the position shown in FIG. 15(C).

[0048] Once the left panel unit 9 is positioned, as shown in Figure 15(D), the right panel unit 11 is pulled up onto the lower unit 16 and attached to the lower unit 16. At this time, as in the case of the left panel unit 9, the horizontal slider 18 (not shown) provided on the right panel unit 11 is inserted into the horizontal slide guide rail 23 (not shown) provided on the lower unit 16. Once the horizontal slider 18 is inserted into the horizontal slide guide rail 23, the right panel unit 11 is slid to the right in Figure 15.

[0049] When the right panel unit 11 is slid to the right, the horizontal slider 18 provided on the right panel unit 11 abuts against a stopper 24 (not shown) fixed to the horizontal slide guide rail 23, so that the right panel unit 11 is positioned at the position shown in Figure 16(A). Once the right panel unit 11 is positioned, the middle panel unit 10 is pulled up onto the lower unit 16, and as shown in Figure 16(B), the middle panel unit 10 is inserted between the left panel unit 9 and the right panel unit 11. At this time, the vertical slider 22 (not shown) provided on the middle panel unit 10 is inserted into the vertical slide guide rails 19 (not shown) provided on the left panel unit 9 and the right panel unit 11.

[0050] When the middle panel unit 10 is lowered to the same level as the left panel unit 9 and the right panel unit 11, the middle panel unit 10 is connected to the left panel unit 9 and the right panel unit 11, as shown in FIG. 16(C). After the middle panel unit 10 is connected to the left panel unit 9 and the right panel unit 11, the upper unit 17 is attached to the panel units 9, 10, and 11, as shown in FIG. 16(D). Then, the upper unit fixing brackets 20 (not shown) provided on the left panel unit 9 and the right panel unit 11 are connected to the support brackets 26 (not shown) provided on the upper unit 17. As a result, the upper unit 17 is connected to the panel units 9, 10, and 11. Through the above process, the assembly of the main panel member 3 is completed. Furthermore, the attachment of the main panel member 3 to the temporary scaffolding 2 is also completed. Then, a diagonal member 5 (not shown) is hung between the main panel 3 and the temporary scaffolding 2, and the length of the diagonal member 5 is adjusted, completing the installation of the morning glory device 1 (not shown) to the temporary scaffolding 2.

[0051] (Actions of stopper position change means and fixed position change means) As mentioned above, in Japan, metric-standard temporary scaffolding 2 and inch-standard temporary scaffolding 2 are mixed. Therefore, metric-standard temporary scaffolding 2 requires a main surface member 3 with a width of 1800 mm, while inch-standard temporary scaffolding 2 requires a main surface member 3 with a width of 1829 mm (=6 ft). Also, as mentioned above, in the main surface member 3 according to this embodiment, the attachment position of the stopper 24 in the lower unit 16 and the attachment position of the receiving bracket 26 in the upper unit 17 are each configured to be changeable. Therefore, by changing the stopper 24 and the receiving bracket 26, the mutual spacing between the left panel unit 9 and the right panel unit 11 can be changed.

[0052] Therefore, by narrowing the distance between the left panel unit 9 and the right panel unit 11, the width of the main panel member 3 can be adjusted to 1,800 mm, which corresponds to the metric size, as shown in Figure 17(A). By widening the distance between the left panel unit 9 and the right panel unit 11, the width of the main panel member 3 can be adjusted to 1,829 mm, which corresponds to the inch size, as shown in Figure 17(B). In this way, the width of the main panel member 3 in the morning glory device 1 can be adjusted to accommodate both metric and inch sizes. As mentioned above, the gap between the left panel unit 9 or the right panel unit 11 and the middle panel unit 10 is closed by gap closing plates 9a, 10a, and 11a (not shown in Figure 17). Please note that the difference in width of the main panel member 3 is exaggerated in Figures 17(A) and (B).

[0053] (Second embodiment) Although the example above shows that the main surface material 3 includes three panel units 9, 10, and 11, the main surface material 3 may include two panel units. Below, an example in which the main surface material 3 includes two panel units will be described.

[0054] FIG. 18 is a plan view showing the configuration of a main panel member 3 according to the second embodiment, and FIG. 19 is a plan view showing the configuration of a right panel unit 32 included in the main panel member 3 shown in FIG. 18. As shown in FIG. 18, the main panel member 3 according to the embodiment includes a left panel unit 31 and a right panel unit 32. The basic configuration of the left panel unit 31 is the same as that of the left panel unit 9 according to the first embodiment. That is, a horizontal slider 18 (not shown) is fixed to the lower edge of the left panel unit 31, and the horizontal slider 18 is slidably supported by a horizontal slide guide rail 23 (not shown) fixed to the lower unit. In addition, a stopper 24 is fixed to the horizontal slide guide rail 23 (not shown). The lower unit 16 differs from the lower unit 16 according to the first embodiment in that it includes a clasp 33. In addition, as shown in FIG. 19, a support 34 is fixed to the lower edge of the right panel unit 32. The support member 34 is a member formed by bending a metal plate, and a rectangular cavity 34a is formed between the right panel unit 32 and the support member 34 when viewed from above.

[0055] (lower fixed connection means) FIG. 20 is a perspective view illustrating the configuration and function of the clasp 33 and the receiving plate 34. FIG. 20(A) shows the clasp 33 before it is locked to the receiving plate 34, and FIG. 20(B) shows the clasp 33 locked to the receiving plate 34. As shown in FIG. 20(A), the clasp 33 has a main pin 33a and an auxiliary pin 33b. The main pin 33a moves toward or away from the receiving plate 34. The auxiliary pin 33b can move up and down. As shown in FIG. 20(B), when the right panel unit 32 is placed on the lower unit 16, the main pin 33a can be inserted into the cavity 34a of the receiving plate 34. When the main pin 33a is inserted into the receiving plate 34, the receiving plate 34 is sandwiched between the main pin 33a and the lower unit 16. 20(B), the main pin 33a cannot be pulled out from the cavity 34a of the support plate 34. As a result, the right panel unit 32 is fixed to the lower unit 16.

[0056] In this way, the clasp 33 and the receiving plate 34 are located between the right panel unit 32 and the lower unit 16 and function as a lower fixing connecting means for fixing the right panel unit 32 to the lower unit 16.

[0057] Furthermore, since the cavity 34a is larger than the main pin 33a, the clasp 33 can be locked to the support 34 even if the support 34 moves slightly relative to the main pin 33a. Therefore, the fixing position of the right panel unit 32 relative to the lower unit 16 can be changed in the width direction of the main panel material 3.

[0058] Because the main panel 3 according to the second embodiment is configured as described above, the constituent members can also be individually lifted onto the temporary scaffolding 2 and joined together on the temporary scaffolding 2. That is, first, the lower unit 16 can be lifted onto the temporary scaffolding 2 and attached to the temporary scaffolding 2, and then the left panel unit 31 can be joined to the lower unit 16. Thereafter, the right panel unit 32 can be lifted onto the temporary scaffolding 2 and joined to the left panel unit 31 and the lower unit 16. And finally, the upper unit 17 can be joined to the right panel unit 32 and the left panel unit 31.

[0059] Furthermore, in the main surface material 3 according to the second embodiment, the fixing positions of the left panel unit 31 and the right panel unit 32 relative to the lower unit 16 can be changed, so the distance between the left panel unit 31 and the right panel unit 32 can be changed. Therefore, the width dimension of the main surface material 3 can be changed between a dimension corresponding to the inch size and a dimension corresponding to the metric size.

[0060] (Third embodiment) In the first embodiment, an example was shown in which the main surface material 3 includes three panel units 9, 10, and 11. Furthermore, in the second embodiment, an example was shown in which the main surface material 3 includes two panel units 31 and 32. However, the main surface material 3 is not limited to having three or two panel units. The main surface material 3 may include a single panel unit, i.e., only one panel unit. In this case, the lower unit 16 may be provided with a fastener 33, and the panel unit may be provided with a support 34. In other words, a lower fixing connecting means may be provided between the lower unit 16 and the panel unit to fix the panel unit to the lower unit 16. In this case, the upper unit 17 is not necessary.

[0061] As described above, the main panel member 3 of the morning glory device 1 according to each of the above embodiments is composed of multiple panel units 9-11, 31, and 32, a lower unit 16, and an upper unit 17, or a single panel unit and the lower unit 16. Therefore, the dimensions and weight of each unit constituting the main panel member 3 can be kept within a range that can be transported manually. Therefore, each unit can be manually lifted onto the temporary scaffolding 2 without relying on mechanical power. Furthermore, since the main panel member 3 can be assembled on the temporary scaffolding 2 with the panel units 9-11, 31, and 32 facing vertically upward, there is almost no tipping moment acting on the panel units 9-11, 31, and 32 when assembling the main panel member 3. Therefore, workers do not need to prevent the panel units 9-11, 31, and 32 from tipping over, making assembly easy. In other words, according to the morning glory device 1 according to each of the above embodiments, the main panel member 3 can be easily attached to the temporary scaffolding 2 manually.

[0062] Furthermore, in the morning glory device 1 according to the first and second embodiments, the mounting positions of the stopper 24 and the receiving bracket 26 can be changed. By changing the mounting positions of the stopper 24 and the receiving bracket 26, the distance between the left panel unit 9 and the right panel unit 11, or the distance between the left panel unit 31 and the right panel unit, can be changed. Therefore, the width of the main surface material 3 can be changed to accommodate the temporary scaffolding 2 of metric or inch standards.

[0063] Furthermore, the morning glory device 1 according to each embodiment is provided with a shielding member 4 that covers the gap between the main surface material 3 and the temporary scaffolding 2, so even if a fallen object caught by the main surface material 3 slides on the main surface material 3, the fallen object will not fall through the gap between the main surface material 3 and the temporary scaffolding 2. Furthermore, the fallen object will not reach the temporary scaffolding 2.

[0064] The shielding member 4 is configured by connecting a front member 4a and a rear member 4b via a hinge 4c, so that the shielding member 4 can be folded to reduce the external dimensions when transporting or storing it.

[0065] However, the technical scope of the present invention is not limited to the above-described embodiments, and the present invention can be freely applied, modified, or improved within the scope of the technical concept described in the claims.

[0066] For example, the mechanical configurations, dimensions, shapes, and material selections shown in the above embodiments are merely examples, and the technical scope of the present invention is not limited by the above mechanical configurations, etc.

[0067] Furthermore, it is optional to add components that are not disclosed in the above embodiments. [Explanation of symbols]

[0068] 1 Morning glory device, 2 Temporary scaffolding, 3 Main surface material, 4 Shielding member, 4a Front member, 4b Rear member, 4c Hinge, 5 Diagonal member, 6 Support, 7 Upper bracket, 8 Lower bracket, 9 Left panel unit, 9a Gap closing plate, 10 Middle panel unit, 10a Gap closing plate, 11 Right panel unit, 11a Gap closing plate, 12 Panel, 13 Frame, 14 Horizontal member, 15 Brace, 16 Lower unit, 17 Upper unit, 18 Horizontal slider, 19 Vertical slide guide rail, 20 Upper unit fixing bracket, 20a Tab, 21 Rope mounting bracket, 22 Vertical slider, 23 Horizontal slide guide rail, 23a Long hole, 24 Stopper, 24a Bolt, 25 Hinge bracket, 26 Support bracket, 26a Slit, 26b Pin, 26c bolt, 26d, 26e bolt hole, 31 left panel unit, 32 right panel unit, 33 fastener, 33a main pin, 33b auxiliary pin, 34 support, 34a cavity,

Claims

1. In a morning glory device having a main surface material installed at an angle on a temporary scaffolding, The main surface material is A lower unit connected to the temporary scaffolding; A panel unit is provided which is connected to the lower unit. Morning glory device.

2. The main surface material includes a single panel unit, a lower fixing connection means for fixing the panel unit to the lower unit is provided between the panel unit and the lower unit; The morning glory device according to claim 1.

3. the main surface material includes a plurality of the panel units arranged in a width direction of the main surface material, and an upper unit in contact with the upper sides of the plurality of panel units; The lower unit includes a slide connecting means for connecting at least one of the plurality of panel units so that the panel units can slide in the width direction of the main surface material; a stopper fixed to the slide connecting means, which abuts against the panel unit slidably connected to the slide connecting means, thereby limiting the slide range of the panel unit; the upper unit includes an upper connecting and fixing means for connecting at least one of the plurality of panel units to the upper unit; Further, a panel connecting means is provided between adjacent panel units to connect the adjacent panel units to each other. The morning glory device according to claim 1.

4. The main surface material includes two of the panel units, One of the two panel units is slidably connected to the lower unit via the slide connecting means, the other of the two panel units is located between the panel unit and the lower unit and is fixed to the lower unit via a lower fixing connecting means that fixes the panel unit to the lower unit; The morning glory device according to claim 3.

5. The main surface material includes a middle panel unit disposed at the center of the main surface material in the width direction of the main surface material, and a left panel unit and a right panel unit disposed on the left and right of the middle panel unit, The left panel unit and the right panel unit are slidably connected to the lower unit via the slide connecting means, and are fixed to the upper unit via the upper fixing connecting means. The morning glory device according to claim 3.

6. a stopper position changing means for changing the attachment position of the stopper relative to the slide connecting means in the width direction of the main surface member; and a fixing position changing means for changing the attachment position of the upper fixing connection means relative to the upper unit in the width direction of the main surface material. The morning glory device according to claim 5.

7. The stopper position changing means and the fixed position changing means change the attachment position of the stopper and the attachment position of the upper fixed connection means between positions corresponding to the metric standard temporary scaffolding and positions corresponding to the inch standard temporary scaffolding, respectively. The morning glory device according to claim 6.

8. a shielding member that is disposed below the base of the main surface material, fixed to the temporary scaffolding, and covers the gap between the temporary scaffolding and the main surface material; The morning glory device according to any one of claims 1 to 5.

9. The shielding member includes a front member fixed to the temporary scaffolding and a rear member connected to the front member via a hinge. The morning glory device according to claim 8.

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