JP2924649B2 - Assembly type scaffold for construction - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an assembling scaffold for construction, for example, for repairing, painting, etc., on the underside of a main girder of a bridge such as a highway, etc. However, the present invention relates to a safe assembling scaffold for construction that can be easily and simply assembled with one touch.

[0002]

2. Description of the Related Art As a conventional scaffold, a pipe serving as a main beam is separated from a lower surface of a main girder of a bridge and is suspended in parallel with a chain. Some pipes are crossed at predetermined intervals and fixed with a connector such as a clamp, and a scaffold plate is mounted horizontally on a cross beam using pipes. The scaffold is extended along the direction.

[0003]

However, in the case of the conventional scaffold, it is necessary to cross the pipe serving as the main beam and the pipe serving as the cross beam, fix them with the connecting tool, and assemble them in order. The work is very troublesome and requires a high degree of skill.

[0004] Therefore, the present invention is a safe construction assembly that requires no skill and can be easily and one-touch-assembled even by an unskilled person and can extend the scaffold vertically and horizontally freely. It is intended to provide a type of scaffolding.

[0005]

In order to achieve the above object, a receiving member having a regulating member for supporting an end portion of a panel member and for regulating a widthwise movement of the panel member is provided at predetermined intervals. A main beam provided on the side surface of the member; and a panel member which is disposed in parallel with the pair of main beams separated from each other so that the receiving members face each other, and is placed and fixed on the receiving member.

[0006] A receiving member which supports an end portion of the panel member and has a regulating member which regulates movement of the panel member in the width direction is fixed to the side surface of the beam member at predetermined intervals.
A stop member connected to a hanging strip or the like is provided with a main beam provided on the upper surface of the beam member at a predetermined interval; a pair of main beams are spaced apart and parallel so that the receiving members face each other; And a panel member to be mounted and fixed on the panel.

Further, it is preferable that the main beam is provided with connecting concavities and convexities on the end faces thereof.

[0008]

As described above, according to the prefabricated scaffold according to the first aspect of the present invention, a hanging strip such as a chain whose base end is fixed with eyebolts or the like is appropriately provided on the lower surface of the main girder of a bridge such as an expressway. And a pair of main beams can be hung with the hanging strips separated by the width of the panel member, and the end portions of the panel members can be hung on receiving members provided at predetermined intervals on the side surfaces of the main beam. And a regulating member provided on the receiving member can fix the panel member in a state where movement in the width direction of the panel member is regulated, and assemble the unit scaffold.

According to the second aspect of the present invention, when the main beam is hung on the lower surface of a main girder of a bridge such as a highway by a hanging strip such as a chain, the main beam is provided at predetermined intervals on the upper surface of the main beam. The tip of the hanging strip can be fixed using the retaining member.

[0010] Further, the assembled scaffold for construction is suspended in the width direction of the bridge, the connecting pipe is positioned in the width direction on the panel member, and fixed with a clamp or the like using a stopper member, and the scaffold is fixed. It can be fixed in the width direction.

According to the construction type scaffold according to the third aspect, when the main beam is extended in the longitudinal direction of the bridge, a pair of symmetrical main beams is similarly arranged in parallel in the same manner, and the main beam is supported by a support strip such as a chain. The main beam can be connected in the longitudinal direction by hanging and fitting the unevenness provided at the end of the adjacent main beam, and inserting and fixing a split pin or a connecting bolt. The scaffold can be extended in the length direction of the bridge by incorporating the.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. FIG. 1 is a longitudinal sectional view showing a use state of a construction type scaffold of a representative embodiment according to the present invention, and FIGS. 2 to 7 are explanatory views of respective members of the construction type scaffold similarly. . The assembling type scaffold A for construction is, for example, a bridge B such as a highway.
The main scaffold 3 is attached to the lower surface of the main girder for work such as repair, painting, and the like. Basically, as shown in FIG. And
The bridge is suspended from a main girder B of a bridge by a hanging strip 4 such as a chain, and the unit scaffolds 3 are sequentially connected.

As shown in FIGS. 2 to 4, the main beam 1 is provided on a side surface of a beam member 5 using a long square pipe at predetermined intervals.
While supporting the end of the panel member 2, the panel member 2
A pipe-shaped receiving member 7 having a plate-shaped restricting member 6 for restricting the movement in the width direction is welded, and on the upper surface of the beam member 5,
Stop members 8 are provided at predetermined intervals so as to be located between the receiving members 7. The receiving member 7 in the illustrated example
Then, in order to stop the outer beam 9 side of the panel member 2,
Although the pipe member is used for the receiving member 7, the panel member 2
Any member can be used as long as it can support the end of the panel member 2, and the regulating member 6 is not limited to a plate-shaped member as long as it can regulate the movement of the panel member 2 in the width direction. Various members can be used.

As shown in FIGS. 4 and 6, an opening 10 is formed in the upper surface of the beam member 5 and a support plate 12 or a nut having a screw hole 11 is welded to the inside of the beam member 5. Things.

Further, as shown in FIG. 5, the main beam 1 has a connecting short pipe 13 extending from one end of the beam member 5 using a square pipe of a size that can be inserted into the beam member 5 which is a square pipe. Then, through holes 14 penetrating through the upper and lower surfaces of the connecting short pipe 13 and the other end of the beam member 5, respectively, at positions matching when they are fitted.
And the split pin 15 can be inserted and fixed.
In addition, as a method of connecting the main beams 1 to each other, various fitting unevenness can be used.

When the main beam 1 and the main beam 1 are extended in the longitudinal direction, in addition to the above, as shown in FIG. A pipe 13 is inserted from the open end of the other beam member 5, and a connecting bolt 17 is inserted from the lateral direction into a fixing nut 16 fixed to the side surface of the other beam member 5 and screwed into the fixing nut 16. Is also good.

In addition, when this uniting method is applied to extend the unit scaffold 3 in the width direction of the bridge B, as shown in FIG. Fixing nuts 16 are alternately welded to the sides, and connecting bolts 17
Is inserted and screwed into the fixing nut 16, thereby connecting the main beam 1 in the longitudinal direction of the bridge B and also connecting the main beam 1 positioned in contact with the bridge B in the width direction. It is.

As shown in FIG. 1, the panel member 2 has outer beams 9 using square pipes spaced apart and arranged in parallel, and a reinforcing beam 18 is welded at predetermined intervals during this interval to assemble a frame. A panel plate 19 made of a cedar board or the like is supported by the outer beam 9 and the reinforcing beam 18 of the above, and a mounting plate extending laterally from the outer beam 9 is provided.
The screw 20 is fixedly screwed to the beam 20 with a tapping screw 20a. As shown in FIG. 7, the fixing member 21 provided on the upper surface of the beam member 5 is used, and the fixing plate 21 is interposed therebetween. The fixing bolt 22 is screwed into the screw hole 11 of the member 8 to be clamped and fixed.

Further, in the above-mentioned construction type scaffold A for construction,
Although the receiving members 7 are provided only on one side surface of the main beam 1 to support the panel member 2, the receiving members 7 can be provided on both sides of the main beam 1 as shown in FIG. In such a case, as shown in FIG. 10, when the panel member 2 is expanded in the width direction of the bridge, only one adjacent main beam 1 is required, which is economical.

Next, the procedure for assembling the construction type scaffold A will be described. First, an appropriate number of hanging strips 4 such as chains whose base ends are fixed with eyebolts or the like are hung on the lower surface of the main girder of a bridge B such as an expressway, and an eyebolt 23 provided at the tip of the hanging strip 4 is mainly attached. A pair of symmetrical main beams 1 are suspended by being screwed into screw holes 11 of a stopper member 8 provided at a predetermined interval on the upper surface of the beam 1 and separated by the width of the panel member 2 as shown in FIG. The outer beam 9 of the panel member 2 on the receiving member 7
While the movement of the panel member 2 in the width direction is regulated by the regulating member 6 provided at the distal end of the receiving member 7, and the remaining stopper member 8 on the upper surface of the beam member 5 is used.
With the fixing plate 21 interposed, the screw hole 11
Can be fixed by pinching the fixing bolt 22
The unit scaffold 3 can be assembled.

Further, when the main beam 1 is extended in the direction of the bridge B, a pair of symmetrical main beams 1 and 1 are similarly arranged in parallel and hung by a hanging strip 4 such as a chain. As shown, the connecting short pipe 13 provided at the end of the main beam 1 is inserted into the end of the main beam 1, the through holes 14 are aligned, and the split pin 15 is inserted. Can be connected in the length direction, and by incorporating the panel member 2 in the same manner,
The unit scaffold 3 can be extended.

As described above, the worker can work on the assembled unit scaffold 3 to assemble and extend the assembling type scaffolding A for construction in sequence, and depending on the work place, assembling the assembling type scaffolding A. After assembling scaffold A on the ground,
By hanging with a crane, it can be assembled in a similar manner.

As shown in FIG. 10, the assembled scaffold A for construction is suspended in parallel in the width direction of the bridge B, and the connecting pipe 24 is positioned in the width direction on the panel member 2 to stop the stopper member 8. The scaffold A can be fixed in the width direction by fixing with the clamp 25 or the like using the screw hole 11 of FIG.

In the assembly type scaffold A for construction shown in FIG. 10, a pair of left and right symmetrical main beams 1 and 1 is used. It is also possible that the tips are brought into contact with each other, butted, and connected by the clamp 25 or the like. In this case, the pair of main beams 1
1 is not completely symmetric.

As described above, according to the assembling type scaffold A for construction,
As shown in FIG. 8, a pair of symmetrical main beams 1 can be suspended only in the width direction of the panel member 2 so as to be suspended.
The outer beam 9 of the panel member 2 is supported above, and the movement of the panel member 2 in the width direction is regulated by the regulating member 6 provided at the tip of the receiving member 7, and the upper surface of the beam member 5 remains. With the use of the stopper member 8 and the fixing plate 21 interposed, the fixing bolt 22 can be screwed into the screw hole 11 of the stopper member 8 to be clamped and fixed, and the unit scaffold 3 can be assembled. Even if an amateur is not an amateur, the assembling can be performed easily and the structure is simple, so that the price of the assembling type scaffold A for construction can be reduced.

When the construction type scaffold A for construction is extended in the bridge direction, a pair of symmetrical main beams 1 are similarly arranged in parallel and hung by a hanging strip 4 such as a chain. As shown in (1), the connecting short pipe 13 provided at the end of the main beam 1 is inserted into the end of the main beam 1, the through holes 14 are aligned, and the split pin 15 is inserted. 1 can be connected in the longitudinal direction, and the unit scaffold 3 can be extended by incorporating the panel member 2 in the same manner. Therefore, even if an amateur is unskilled, the scaffold A can be easily and reliably connected to the bridge B. Can be lengthened.

Furthermore, when the construction type scaffold A for construction is extended in the width direction of the bridge, the assembled construction type scaffold A is suspended in the width direction of the bridge B as shown in FIG.
The connecting pipe 24 is positioned on the upper side in the width direction, and the scaffold A can be fixed in the width direction by using the screw hole 11 of the stopper member 8 and fixing it with the clamp 25 or the like. In addition, the scaffold A can be easily and reliably extended in the width direction of the bridge B.

[0028]

Since the present invention is configured as described above, the following effects can be obtained. According to the assembling scaffold for construction according to claim 1, an appropriate number of hanging strips such as chains whose base ends are fixed with eyebolts or the like are hung on the underside of the main girder of a bridge such as an expressway. The pair of main beams can be suspended by being separated by the width of the panel member, supporting the end portions of the panel members on receiving members provided at predetermined intervals on the side surfaces of the main beams, and provided on the receiving member. With a regulating member,
The assembly can be performed by fixing the panel members while restricting the movement in the width direction, so that even an unskilled person can easily assemble, and since the structure is simple, the assembly type scaffold for construction is provided. Can be made inexpensive.

According to the second aspect of the present invention, when the main beam is hung on the lower surface of a main girder of a bridge such as a highway by a hanging strip such as a chain, the main beam is provided at predetermined intervals on the upper surface of the main beam. Since the tip of the hanging strip can be fixed by using the stopping member, the workability is further improved.

The stop members provided on the upper surface of the main beam at predetermined intervals can be used for fixing a clamp or the like when the scaffold is extended in the width direction of the bridge.

According to the third aspect of the present invention, when the main beam is extended in the longitudinal direction of the bridge, a pair of symmetrical main beams are similarly arranged in parallel to suspend the suspension beam such as a chain. The main beam can be connected in the length direction by fitting the unevenness provided at the end of the adjacent main beam and inserting and fixing a split pin or a connecting bolt. By incorporating the panel member, the scaffold can be extended in the length direction of the bridge.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a use state of an assembling scaffold for construction according to a typical embodiment of the present invention.

FIG. 2 is a front view of a main beam.

FIG. 3 is a plan view of a main beam.

FIG. 4 is a perspective view showing a main part of a main beam.

FIG. 5 is an exploded perspective view showing a connected state of the main beams.

FIG. 6 is an enlarged sectional view taken along line AA of FIG. 3;

FIG. 7 is an explanatory sectional view showing a main part of a method of fixing the main beam and the panel member.

FIG. 8 is a plan view showing an assembling procedure of the assembling type scaffold for construction.

FIG. 9 is a plan view showing an assembling procedure of the assembling type scaffold for construction.

FIG. 10 is a plan view showing another use state of the assembling scaffold for construction.

FIG. 11 is a side view of another example of a main beam.

FIG. 12 is a longitudinal sectional view showing a connection state of main beams in another example.

FIG. 13 is a plan view showing a connection state of main beams in another example.

[Explanation of symbols]

 A Assembly type scaffold for construction B Bridge 1 Main beam 2 Panel member 3 Unit scaffold 4 Suspension strip 5 Beam member 6 Restriction member 7 Receiving member 8 Stopping member 9 Outer frame 10 Opening 11 Screw hole 12 Support plate 13 Connecting short pipe 14 Through hole 15 Split pin 16 Fixing nut 17 Connecting bolt 18 Reinforcement beam 19 Panel plate 20 Mounting plate 21 Fixing plate 22 Fixing bolt 23 Eye bolt 24 Connecting pipe 25 Clamp

Claims (3)

(57) [Claims] 1. An end portion of a panel member is supported.
A receiving member having a regulating member that regulates the widthwise movement of the panel member is separated from and parallel to a main beam provided on a side surface of the beam member at predetermined intervals so that the pair of main beams face each other. An assembling scaffold for construction, consisting of a panel member to be arranged, mounted on a receiving member and fixed. 2. Supporting the end of the panel member,
A receiving member having a regulating member for regulating the movement of the panel member in the width direction is fixed to the side surface of the beam member at predetermined intervals, and a stop member connected to the hanging strip or the like is provided on the upper surface of the beam member at predetermined intervals. An assembling scaffold for construction, comprising: a provided main beam; and a panel member which is disposed in parallel with a pair of main beams separated from each other so that the receiving members face each other, and mounted and fixed on the receiving member. 3. An assembling scaffold for construction according to claim 1, wherein the end faces of the main beam are provided with connection irregularities.