JP4204605B2 - Assembly scaffold - Google Patents

Description

  The present invention relates to an assembly scaffold, and more particularly to an assembly scaffold that intersects at right angles.

  FIG. 20 shows a conventional assembly scaffold that is connected in a straight line. The assembly scaffold is composed of two vertical struts 1 and a horizontal rod 2 that connects the vertical struts 1 and is laterally separated from each other. A plurality of torii-shaped frames 3 arranged side by side, a cloth plate 4 serving as a scaffolding plate connected between the horizontal ridges 2 of each of the adjacent torii-shaped frames 3, and each of the adjacent torii-shaped frames 3 facing each other vertically It consists of a brace (X-shaped brace) 5 connected between the columns 1 (Patent Document 1).

JP-A-9-13656 (FIG. 2)

  However, it is easy to manufacture an assembly scaffold having the above-described structure that is connected in a straight line. However, as shown in FIG. 21, one assembly scaffold element 6 extending in one direction and a direction orthogonal to the assembly scaffold element 6 are provided. When the other assembly scaffolding element 7 extending in the direction of and the corner portion 8 that connects them together are assembled, the assembly scaffolding elements 6 and 7 in two different directions are simply connected by a clamp at the corner portion 8.

  Therefore, the corner portion has a weak structure and has a drawback that it cannot be used for a heavy-weight temporary building on which a roof or the like is formed.

  The present invention eliminates the above-mentioned drawbacks.

The assembly scaffold of the present invention comprises one assembly scaffold element (6) extending in one direction, the other assembly scaffold element (7) extending in a direction crossing the assembly scaffold element (6), and a corner portion (8) for connecting them together. Each of the assembly scaffold elements (6, 7) includes a plurality of vertical frames (14) arranged side by side apart from each other, horizontal reinforcing rods (11) provided in each vertical frame (14) , and the above-described adjacent to each other. vertical frame (14) scaffold plate connecting between the (15), the more become a brace (23) for connecting the vertical columns (9) of adjacent vertical frame (14) to each other, the corner portions (8) Are the other assembly scaffold elements ( 11, 11) of the vertical frames (14 , 14) adjacent to each other at one end of the one assembly scaffold element (6) and the horizontal reinforcing rods (11, 11) of the respective vertical frames (14). horizontal for a corner portion connecting between the ends of the side facing the 7) And (20), a horizontal reinforcing rod (11) connecting the allowed scaffold plate of the horizontal rod for the corner portion (20) and the other assembly scaffolding element (7) facing the corner portions (8) (19) And the vertical frame (14, 14) adjacent to each other at one end of the one assembly scaffold element (6) constituting the corner portion (8) on the side facing the other assembly scaffold element (7). It consists of auxiliary metal fittings attached to the vertical struts (9, 9), and the auxiliary metal fittings are provided at both ends of the corner horizontal ridges (20) , respectively, and vertically extending vertical plates (21b). The locking portion (21a) at the end of the corresponding horizontal reinforcing bar (11) provided on the plate (21b), the bracing fixing protruding pin (22) protruding in the opposite direction, and the fixing protruding pin (22 ) Provided at the free end of the pin (22 Characterized in that it comprises more captive device provided in the direction orthogonal to the axial direction (22a).

  According to the assembly scaffold of the present invention, two assembly scaffold elements extending in a direction crossing each other can be easily and easily connected, and the corner portion has a very high structural strength.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows one assembly scaffolding element 6 extending in one direction, the other assembly scaffolding element 7 crossing this, for example, extending in an orthogonal direction, the one assembly scaffolding element 6 and the other assembly scaffolding element 7. FIG. 2 shows details of the corner portion 8.

  As shown in FIG. 3, the one and the other assembly scaffold elements 6 and 7 of the assembly scaffold of the present invention include two vertical struts 9 spaced apart from each other in the lateral direction, and reinforcements arranged along the struts 9. A flange 10a, connecting brackets 10b and 10c for connecting the reinforcing rod 10a and the upper and lower ends of the column 9, a horizontal reinforcing rod 11 for connecting an intermediate portion of the vertical column 9, and an upper portion of each vertical column 9 A brace fixing projecting pin 12 provided in each of the intermediate part and the lower part and projecting in opposite directions, and a brace fixing projecting pin 13 projecting upward provided on both ends of the horizontal reinforcing bar 11 respectively. An H-shaped frame 14 provided at the free ends of the brace fixing projecting pins 12 and 13 and comprising brace fall-off prevention tools 12a and 13a which are rotatable in a direction parallel to the axis of the pin and in a direction perpendicular thereto. Fig. 1 As shown in the figure, the cloth plates 15 as scaffolding plates are connected between the horizontal reinforcing rods 11 of the H-frames 14 adjacent to each other so as to be spaced apart from each other in the horizontal direction and the vertical direction, and are adjacent to each other. A horizontal brace 16 and a brace 17 are connected between the vertical struts 9 of the H-shaped frame 14 via the brace fixing protruding pins 12 and 13.

  Further, as shown in FIG. 2, the corner portion 8 includes H-shaped frames 14 and 14 which are adjacent to each other at one end of one assembly scaffold element 6 and a horizontal reinforcement which forms the H-shaped frames 14 and 14. The horizontal heel 20 for corners shown in FIG. 4 in which the ends of the heel facing the other assembly scaffolding element 7 are connected via a lock portion 21a, the horizontal heel 20 for corners, and the corner 8 2 and the horizontal reinforcing bar 11 of the other assembly scaffold element 7 facing each other is constituted by a corner portion connecting cloth board 19 which is connected as shown in FIGS.

  Further, as shown in FIGS. 4 and 5, vertical plates 21b extending upward are provided at both ends of the corner portion horizontal rod 20, and the vertical plates 21b are used for fixing a brace protruding in opposite directions. A protruding pin 22 and a brace drop prevention tool 22a provided at the free end of the fixing protruding pin 22 and rotatable in a direction parallel to the axis of the pin 22 and in a direction perpendicular thereto are provided. A brace 17 is connected between the fixing protruding pin 22 and the brace fixing protruding pin 12 of the H-shaped frame 14 of the other assembly scaffold element 7 facing the corner portion 8.

  As shown in FIGS. 6 and 7, the vertical struts 9 of the upper H-shaped frame 14 adjacent to each other at one end of the one assembly scaffold element 6 that forms the corner portion 8 are separated from each other. In the upper part, a vertical plate 24, sleeve pieces 25 and 26 bent at right angles provided on both sides of the vertical plate 24, and a brace fixing protruding pin 12 of the vertical column 9 provided on the one sleeve piece 25, respectively. A notch portion 27, a breath fixing projection pin 28 provided at the lower portion of the vertical plate 24, and a direction parallel to the axis of the pin 28 provided at the free end of the breath fixing projection pin 28. An upper auxiliary metal fitting 30 is provided which includes a brace drop prevention tool 28a that is rotatable in a direction orthogonal to this and a bolt through hole 29 provided in the upper part of the vertical plate 24. As shown in FIG. 7, the upper auxiliary metal fitting 30 is fixed to the upper end connecting metal fitting 10b by a bolt 31, and the brace fixing protrusion pin 28 and the H-shape of the other assembly scaffold element 7 facing the corner portion 8 are used. The horizontal brace 32 and the brace 23 are connected between the fixing projecting pins 12 of the frame 14, respectively.

  Also, as shown in FIGS. 8 and 9, the vertical struts of the H-shaped frame 14 connected to the upper and lower sides adjacent to each other at one end of the one assembly scaffolding element 6 that forms the corner portion 8. 9, similarly to the above, the vertical plate 33, the sleeve pieces 34 and 35 bent at right angles provided on both sides of the vertical plate 33, and the vertical strut provided on the one sleeve piece 34. 9, a notch portion 36 that avoids the breath fixing projection pin 12, a breath fixing projection pin 37 provided above and below the vertical plate 33, and the pin provided at the free end of the breath fixing projection pin 37. A joint auxiliary fitting 39 is provided which includes a brace drop prevention tool 37a rotatable in a direction parallel to the axis of 37 and a direction orthogonal thereto, and a bolt through hole 38 provided in an intermediate portion of the vertical plate 33. As shown in FIG. 9, the connecting portion auxiliary metal fitting 39 is fixed to the column 9 with bolts 40, and each brace fixing protruding pin 37 and the H-shaped frame of the other assembly scaffold element 7 facing the corner portion 8. The horizontal brace 32 and the brace 23 are connected between the 14 fixing projecting pins 12.

  Further, as shown in FIGS. 10 and 11, the lower part of the vertical column 9 of the H-frame 14 at the lowermost stage adjacent to each other at one end of one assembly scaffolding element 6 that forms the corner portion 8 is separated from each other. In addition, a vertical plate 41, sleeve pieces 42 and 43 bent at right angles provided on both sides of the vertical plate 41, and a brace fixing protruding pin 12 of the vertical column 9 provided on the one sleeve piece 42 are provided. The notch portion 44 to be avoided, the brace fixing projection pin 45 provided at the lower portion of the vertical plate 41, the direction parallel to the axis of the pin 45 provided at the free end of the projection pin 45, and the direction perpendicular thereto A lower auxiliary metal fitting 47 is provided which comprises a freely rotatable brace drop prevention tool 45a and a bolt through hole 46 provided in the upper part of the vertical plate 41. As shown in FIG. 11, the lower auxiliary metal fitting 47 is fixed to the lower part of the support column 9 with bolts 48, and is between the above-mentioned breath fixing projection pin 45 and the fixing projection pin 12 for fixing the H-shaped frame 14 of the other assembly scaffolding element 7. The braces 23 are connected to each other.

  In addition, the connection structure of the H-shaped frames 14 and 14 connected up and down is demonstrated below.

  In the present invention, as shown in FIG. 12, a small-diameter portion 18 and one portion 49 are provided in the lower portion of the vertical support column 9 of the upper H-shaped frame 14, and a bolt insertion hole 50 is provided in the lower end connecting bracket 10c. As shown in FIG. 13, the upper end of the vertical column 9 of the lower H-shaped frame 14 is provided with an opening 51 into which the small diameter portion 18 and the one portion 49 can be inserted, and the connection fitting 10b has a screw. A hole 52 is formed, a horizontal pin 53 is provided in the column 9 in the lower part from the upper end of the column 9 of the lower H-shaped frame 14, and on the side surface of the portion 49 at the lower end of the column 9, A curved recess 54 that can be engaged with the horizontal pin 53 is provided.

  Next, in order to connect the upper H-shaped frame 14 to the lower H-shaped frame 14, as shown in FIGS. 13 and 14, on the edge of the upper end opening 51 of the column 9 of the lower H-shaped frame 14. Next, the side surface of the curved recess 54 of the lower part 49 of the upper H-shaped frame 14 that is tilted horizontally is placed, and as shown in FIGS. 15 and 16, the edge of the upper end opening 51 of the lower column 9 is placed. The upper H-shaped frame 14 tilted horizontally is gradually raised in the vertical direction with the upper edge of the curved recess 54 placed on the edge of the upper end opening 51 of the support column 9 as shown in FIG. As shown in FIG. 18, when the upper H-shaped frame 14 is vertical, a position where an intermediate portion of the curved concave portion 54 of one portion 49 of the upper column 9 contacts the horizontal pin 53 of the upper column 9. Then, as shown in FIG. 19, the upper end opening 51 of the lower column 9 is The small-diameter portion 18 of the upper column 9 is inserted, and at this time, the lower surface of the large-diameter portion of the upper column 9 is placed on the upper surface of the lower column 9, and the lower end connecting bracket 10 c of the upper column 9 The bolt 55 is inserted into the bolt insertion hole 50 and the screw hole 52 of the lower upper end coupling fitting 10b is screwed together, so that the lower H-shaped frame 14 and the upper H-shaped frame 14 are integrated with each other vertically. Let it fix to.

  According to the assembly scaffold of the present invention, since the cloth plate 15 is laid across the middle part of the height of the H-shaped frame 14, if the lower assembly scaffold is formed, the upper assembly scaffold is formed, Since the worker can use the horizontal brace 16 and the brace 17 of the lower assembly scaffold as handrails, the worker can work safely.

  Further, when the lower small diameter portion 18 of the support 9 of the upper H-shaped frame 14 is inserted into the upper end opening 51 of the support 9 of the lower H-shaped frame 14, first, the upper opening 51 of the lower support 9 is Since the side surface of the curved concave portion 54 of the one portion 49 of the upper column 9 is placed on the edge and then inclined, it can be easily inserted.

  Further, when disassembling the lower H-shaped frame 14 and the upper H-shaped frame 14, even if the bolt 55 is removed and the upper H-shaped frame 14 is pulled upward with respect to the lower H-shaped frame 14, Since the lower portion 49 of the upper column 9 contacts the horizontal pin 53 of the lower column 9 before the upper H frame 14 is removed, the upper H frame 14 is not suddenly removed. Thereafter, as shown in FIGS. 17, 15, and 14, the work can be safely performed by removing the upper H-shaped frame 14 in the reverse order of the assembly.

  According to the assembly scaffold of the present invention, the vertical support 9 of one assembly scaffold element 6 and the vertical support for the corner 8 are formed in common, and the corner support 8 is formed between the vertical supports 9. Since the corner portion horizontal rod 20 is provided and the corner portion horizontal rod 20 and the horizontal reinforcing rod 11 of the other assembly scaffold element 7 facing the corner portion 8 are connected by the cloth plate 19, The structural strength of the portion 8 is extremely increased.

  Moreover, since the auxiliary metal fitting having the projecting pin is provided on the vertical column 9, a horizontal brace and brace can be easily connected between the vertical column 9 and the vertical column 9 of another assembly scaffold element.

It is a perspective view of the assembly scaffold of this invention. It is a perspective view for description of the corner part of the assembly scaffold shown in FIG. It is a front view of the H-shaped frame which comprises the assembly scaffold of this invention. It is an expansion perspective view for description of the horizontal bar for the corner part of the assembly scaffold of the present invention. It is an expansion perspective view for description of the principal part of the assembly scaffold shown in FIG. It is an expansion perspective view for description of the upper auxiliary metal fitting provided in the H form frame of the upper stage of the assembly scaffold of the present invention. It is an expansion perspective view for description of the upper part of the H form frame of the upper stage of the assembly scaffold shown in FIG. It is an expansion perspective view for description of the connection part auxiliary | assistant metal fitting used for the connection part of the H-shaped frame of the upper stage and lower stage of the assembly scaffold of this invention. It is an expansion perspective view for description of the connection part of the H form frame of the upper stage and lower stage of the assembly scaffold shown in FIG. It is an expansion perspective view for description of the lower auxiliary | assistant metal fitting provided in the H-shaped frame of the lower stage of the assembly scaffold of this invention. It is an expansion perspective view for description of the lower part of the H-shaped frame of the lower stage of the assembly scaffold shown in FIG. It is an expansion perspective view of the lower part of the H-shaped frame of the lower stage of the assembly scaffold of this invention. It is a perspective view for description of the upper part of the H form frame of the lower stage of the assembly scaffold of this invention. It is explanatory drawing of the connection method of the H form frame of the upper stage and lower stage of the assembly scaffold of this invention. It is explanatory drawing of the connection method of the H form frame of the upper stage and lower stage of the assembly scaffold of this invention. It is an expansion perspective view for description of the principal part of the assembly scaffold shown in FIG. It is explanatory drawing of the connection method of the H form frame of the upper stage and lower stage of the assembly scaffold of this invention. It is an expansion perspective view for description of the principal part of the assembly scaffold shown in FIG. It is an expansion perspective view for description of the principal part of the assembly scaffold shown in FIG. It is a perspective view of the conventional assembly scaffold extended in one direction. It is a perspective view of the assembly scaffold extended in the conventional orthogonal direction.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vertical support | pillar 2 Horizontal eaves 3 Torii form frame 4 Cloth board 5 Bracing 6 Assembling scaffold element 7 Assembling scaffold element 8 Corner part 9 Vertical support 10a Reinforcement eaves 10b Upper end connection metal fitting 10c Lower end connection metal fitting 11 Horizontal reinforcement eaves 12 For brace fixation Protruding pin 12a Breath falling prevention tool 13 Breath fixing protruding pin 13a Breath falling prevention tool 14 H-shaped frame 15 Fabric board 16 Horizontal brace 17 Bracing 18 Small diameter part 19 Corner cloth board 20 Horizontal bar 21a Locking part 21b Vertical board 22 Breath fixing Protruding pin 22a Breath fallout prevention tool 23 Bracing 24 Vertical plate 25 Sleeve piece 26 Sleeve piece 27 Notch 28 Breath fixing projection pin 28a Breath fallout prevention tool 29 Bolt through-hole 30 Upper auxiliary fitting 31 Bolt 32 Horizontal brace 33 Vertical plate 34 Sleeve piece 35 Sleeve piece 36 Notch 37 Breath fixing projection pin 37a Breath Drop prevention tool 38 Bolt through hole 39 Connection portion auxiliary metal fitting 40 Bolt 41 Vertical plate 42 Sleeve piece 43 Sleeve piece 44 Notch portion 45 Breath fixing projection pin 45a Breath drop prevention tool 46 Bolt through hole 47 Lower auxiliary metal fitting 48 Bolt 49 pieces Part 50 Bolt insertion hole 51 Opening 52 Screw hole 53 Horizontal pin 54 Curved recess 55 Bolt

Claims (1)

One assembly scaffolding element (6) extending in one direction, the other assembly scaffolding element (7) extending in a direction crossing the assembly scaffolding element (6), and a corner portion (8) for connecting them together,
Each of the assembly scaffold elements (6, 7) includes a plurality of vertical frames (14) arranged in parallel with each other, horizontal reinforcing rods (11) provided on each vertical frame (14) , and the vertical frames adjacent to each other. (14) scaffold plate connecting between the (15), the more become a brace (23) for connecting the vertical posts of the adjacent vertical frame (14) (9) to each other, the corner portions (8) of the The other assembly scaffold element (7) of the vertical frames (14, 14) adjacent to each other at one end of one assembly scaffold element (6) and the horizontal reinforcing rods (11, 11) of the respective vertical frames (14 ). connecting the ends of the side facing the horizontal rod for corner (20), the other assembly scaffolding element facing the horizontal rod for the corner portion (20) and the corner portion (8) (7) scaffold plate ligated between horizontal reinforcement rod (11) and (19), the corner portion (8) Vertical struts (9, 9) of the vertical frame (14, 14) adjacent to each other at one end of the one assembly scaffold element (6) constituting the side facing the other assembly scaffold element (7). ), And the auxiliary metal fittings are provided on each of the vertical plates (21b) extending upward and provided on both ends of the horizontal flange for corner portion (20). Further, the locking portion (21a) at the end of the corresponding horizontal reinforcing rod (11), the bracing fixing projecting pin (22) projecting in the opposite direction, and the free end of the fixing projecting pin (22) are provided. An assembly scaffold comprising: a drop prevention tool (22a) provided in a direction orthogonal to the axial direction of the pin (22) .

Images