JP4195709B2 - Assembly scaffold and its frame - Google Patents

Description

  The present invention relates to an assembly scaffold and its frame, and more particularly, to an assembly scaffold and its frame that can safely form and disassemble the assembly scaffold.

  FIG. 13 shows a perspective view of the assembly scaffold in a state in which the first stage is formed. The assembly scaffold includes a plurality of torii-shaped frames 1 arranged in parallel to each other, and a cloth plate 2 connecting the torii-shaped frames 1 and As shown in FIG. 14 and FIG. 15, each torii-shaped frame 1 is provided with a vertical pipe column 4 on both sides, a lower end opening 5 provided at the lower end of each vertical pipe column 4, and an upper end. Further, a convex portion 6 that can be inserted into the lower end opening 5 of each vertical pipe column 4 of the other torii-shaped frame 1, extends in parallel along the inside from the upper end of each pipe column 4, A reinforcing rod 7 reaching a position approximately 50 cm above the lower end, a horizontal connecting rod 8 connecting the reinforcing rod 7 and the pipe strut 4 facing the reinforcing rod 7, and a horizontal rod connecting the upper end portions of the pipe struts 4. 9 (Patent Document 1).

Japanese Patent Laid-Open No. 9-13656 (FIG. 2)

  However, when the second-stage assembly scaffold is formed on the first-stage assembly scaffold, the operator places the second-stage assembly scaffold on the cloth plate 2 of the first-stage assembly scaffold without a handrail. There is a drawback that it is necessary to prepare and lacks safety, and also in the case of forming an assembly scaffold of the third stage or more, similarly, there is a drawback that safety in work at high places is lacking.

  Further, when the assembly scaffold is assembled, the lower ends of the vertical pipe struts 4 on both sides of the second-stage torii-shaped frame 1 are formed on the convex portions 6 of the vertical pipe struts 4 on both sides of the first-stage torii-shaped frame 1. Although it is necessary to insert the openings 5 at the same time, this operation is extremely difficult.

  Also, when disassembling the assembly scaffold, for example, when pulling out the second-stage vertical pipe strut 4 from the first-stage pipe strut 4, if the second-stage pipe strut suddenly comes off, the balance of the operator's body will be lost. There was a danger.

  The present invention eliminates the above-mentioned drawbacks.

  The assembly scaffolding frame according to the present invention comprises a plurality of frames connected to each other up and down, and connecting means for connecting the frames connected to each other up and down. The upper frame has one part at its lower end, and the lowermost frame and the upper frame are connected to the hole and the above part for receiving one part provided at the lower end of the other frame at the upper end. And a pin to be joined.

  The assembly scaffold according to the present invention includes a plurality of frames connected to each other up and down, and connecting means for connecting the frames connected up and down to each other. The upper frame has one part at its lower end, and the lowermost frame and the upper frame engage with the hole and the above part for receiving one part provided at the lower end of the other frame at the upper end. An assembly scaffolding frame having a pin, and an assembly scaffolding frame having a similar configuration arranged side by side laterally on the frame, and the adjacent frames are connected to each other by a scaffolding plate. It is characterized by being.

The assembly scaffold of the present invention comprises a plurality of frames connected to each other up and down, and a connection connecting the frames connected to each other up and down, each composed of two columns and a horizontal bar connecting the intermediate portions of the columns. Means , the upper frame has one part at its lower end, the lowermost frame and the upper frame have holes at the upper end and one part provided at the lower end of the other frame, and the above part An assembly scaffolding frame having an engaging pin , and an assembly scaffolding frame having a similar configuration arranged side by side in the frame so as to be spaced apart from each other; The frames are connected to each other by a plate, and the frames adjacent to each other are connected to each other by a brace.

  According to the assembly scaffold and its frame of the present invention, the assembly scaffold can be created and disassembled safely.

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

  In the assembly scaffold of the present invention, instead of using the conventional torii-shaped frame 1, as shown in FIGS. 1 and 2, two steel circular or square pipe struts 10 having a length of about 2 m, and the above-mentioned The upper and lower horizontal anchors 12 and 13 having a length of about 1.2 m, connecting the intermediate portions of the pipe struts 10, the vertical connecting rods 14 and 14 connecting the upper and lower horizontal anchors 12 and 13, A connecting fitting 16 having a bolt insertion hole 15 provided at each of the upper ends of the pipe struts 10, a reinforcing rod 17 for connecting the free end of each of the connecting fittings 16 and the central portion of the upper horizontal flange 12, respectively, A connecting fitting 19 having a bolt insertion hole 18 provided at each of the lower ends of the pipe struts 10, a reinforcing rod 20 for connecting the free end of the connecting fitting 19 and the central portion of the lower lateral flange 13, respectively, Between the reinforcing rods 17 and 20 and the pipe struts 10 facing the reinforcing rods It becomes more horizontal connecting rod 21 which connects, using a plurality of H-frame 22 connected to the vertical.

  In addition, each frame located in the upper stage of the H-shaped frame 22 has a lower small diameter part 11 and one part 25 at the lower end, and at the upper end of each of these frames and the frame located at the lowermost stage, An opening 30 is provided through which the lower small diameter portion 11 and the lower end portion 25 of the other pipe strut 10 can be inserted.

  Moreover, as shown in FIGS. 1-3, the horizontal pin 23 parallel to the said reed 12 is provided in the pipe of a slightly lower part from the upper end of each pipe support | pillar 10 of the said H-shaped frame 22, and each said A curved recess 24 that can be engaged with the horizontal pin 23 is provided on a side surface of the lower portion 25 of the pipe support 10.

  Next, in order to form a second-stage assembly scaffold in the first-stage assembly scaffold, as shown in FIGS. 4 and 5, the upper end opening of each pipe support 10 of the first-stage H-shaped frame 22 On the edge of 30, the side surface of the curved recess 24 of the lower part 25 of each pipe support 10 of the second-stage H-shaped frame 22 tilted horizontally is placed, and as shown in FIG. 6 and FIG. With the edge of the upper end opening 30 of the first-stage pipe strut 10 as a fulcrum, the second-stage H-shaped frame 22 tilted horizontally is gradually raised vertically, and the upper edge of the curved recess 24 is As shown in FIGS. 8 and 9, when the second-stage H-shaped frame 22 is vertical as shown in FIGS. 8 and 9, the second-stage pipe strut 10 is placed on the edge of the upper end opening 30 of the pipe strut 10. The middle part of the curved concave part 24 of the two parts 25 is set to the position of the horizontal pin 23 of the first stage pipe strut 10, and then 10, the small-diameter portion 11 of the second-stage pipe strut 10 is inserted into the upper end opening 30 of the first-stage pipe strut 10, and at this time, the lower surface of the upper-stage pipe strut 10 The bolt 29 is inserted into the bolt insertion hole 15 of the first-stage coupling bracket 16 and the bolt insertion hole 18 of the second-stage coupling bracket 19 so as to be placed on the upper surface of the pipe strut 10. By screwing a nut (not shown) to 29, the first-stage H-shaped frame 22 and the second-stage H-shaped frame 22 are fixed together.

  In another embodiment of the present invention, as shown in FIG. 11, the H-shaped frames 22 are arranged side by side in the lateral direction so as to be adjacent to each other. A cloth plate 26 serving as a scaffolding plate is placed horizontally on the horizontal frame 12 of the H-shaped frame 22, and the left and right pipe columns 10 of one H-shaped frame 22 and the left and right pipe columns of the other H-shaped frame 22 are also adjacent to each other. 10 are connected by a horizontal brace 27 and a brace 28, respectively, to form a first-stage assembly scaffold.

  Further, as shown in FIG. 12, the second-stage H-shaped frame 22 is fixed to the first-stage H-shaped frame 22 adjacent to each other, and the horizontal ridge 12 of the second-stage H-shaped frame 22 adjacent to each other. The cloth plate 26 is placed horizontally between the horizontal rods 12 of the other H-shaped frame 22, and the left and right pipe columns 10 of one H-shaped frame 22 and the left and right pipe columns 10 of the other H-shaped frame 22 are also adjacent to each other. Are connected by a horizontal brace 27 and a brace 28, respectively, to form a second stage assembly scaffold, and in the same manner, a third stage and a fourth stage assembly scaffold are formed.

  According to the assembly scaffold of the present invention, since the cloth plate 26 is laid across the middle part of the height of the H-shaped frame 22, if the first-stage assembly scaffold is formed, the second-stage assembly scaffold is used. In the case of forming, the operator can use the horizontal brace 27 and the brace 28 of the first stage assembly scaffold as handrails, so that the worker can work safely.

  When the lower small diameter portion 11 of each pipe support 10 of the second-stage H-shaped frame 22 is inserted into the upper end opening 30 of each pipe support 10 of the first-stage H-shaped frame 22, Since the side surface of the curved recess 24 of the one portion 25 of each pipe strut 10 of the second stage is placed on the edge of the upper opening 30 of each pipe strut 10 of the eye, and then tilted, It can be inserted.

  When disassembling the first-stage H-shaped frame 22 and the second-stage H-shaped frame 22, the bolts and nuts are removed, and the second-stage H-shaped frame 22 is replaced with the first-stage H-shaped frame 22. Even if the second stage H-shaped frame 22 is pulled out, the lower portion 25 of the second stage pipe post 10 is connected to the horizontal pin 23 of the first stage pipe post 10 even if the second stage H-shaped frame 22 is pulled out. Because of the contact, the second-stage H-shaped frame 22 does not come off suddenly, and thereafter, as shown in FIGS. 8, 6, and 4, the second-stage H-shaped frame 22 is reversed in the reverse order of assembly. If you remove the, you can work safely.

It is a front view of the H form frame in the assembly scaffold of this invention. It is a side view of the H form frame in the assembly scaffold of this invention. It is an expansion perspective view of the principal part of the H form frame of the assembly scaffold of this invention. It is a perspective view for description of assembly 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 a perspective view for description of assembly 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 a perspective view for description of assembly 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 principal part of the assembly of the assembly scaffold of the present invention. It is a perspective view of the 1st stage assembly scaffold in the assembly scaffold in the other Example of this invention. It is the perspective view which showed the assembly scaffold in the other Example of this invention except the cloth board. It is a perspective view of the conventional assembly scaffold. It is a front view of the torii form frame in the assembly scaffold shown in FIG. It is a perspective view for description of the assembly of the conventional assembly scaffold.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Torii form frame 2 Cloth board 3 Bracing 4 Pipe support | pillar 5 Lower end opening part 6 Convex part 7 Reinforcement rod 8 Horizontal connection rod 9 Horizontal rod 10 Pipe column 11 Small diameter part 12 Horizontal rod 13 Horizontal rod 14 Vertical connection rod 15 Bolt insertion hole 16 Connecting bracket 17 Reinforcing rod 18 Bolt insertion hole 19 Connecting bracket 20 Reinforcing rod 21 Horizontal connecting rod 22 H-shaped frame 23 Horizontal pin 24 Curved recess 25 Two portions 26 Fabric board 27 Horizontal brace 28 Bracing 29 Bolt 30 Upper end opening

Claims (3)

  A plurality of frames connected to each other up and down, and connecting means for connecting the frames connected up and down to each other. The lower frame and the upper frame each have a hole for receiving one portion provided at the lower end of the other frame and a pin that engages with the one portion. Frame for assembly scaffolding.   A plurality of frames connected to each other up and down, and connecting means for connecting the frames connected up and down to each other. An assembly scaffolding frame having one portion at its lower end, and having a bottom frame and an upper frame having a hole for receiving one portion provided at the lower end of the other frame at its upper end and a pin engaging with the one portion. And an assembly scaffolding frame having a similar configuration arranged side by side in the frame in the lateral direction, and the adjacent frames are connected to each other by a scaffolding plate. scaffold. A plurality of frames that are vertically connected to each other, and connecting means that connects the vertically connected frames to each other ; The frame has one portion at the lower end, and the lowermost frame and the upper frame have holes at the upper ends for receiving the two portions provided at the lower ends of the other frames and pins that engage with the above portions. An assembly scaffolding frame, and an assembly scaffolding frame having a similar configuration that is arranged side by side in the frame in a laterally spaced manner, and the horizontal ribs of the frames adjacent to each other are connected to each other by a scaffolding plate; An assembly scaffold, wherein the adjacent frames are connected to each other by a brace.

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