JP2005139663A - Baseboard for scaffold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a baseboard for a scaffold for sufficiently securing safety by eliminating clearance between a scaffold plate and the baseboard by directly installing the baseboard on the scaffold plate; and superior in storage performance by compactly stacking the scaffold by imparting versatility to a structure of the scaffold and the scaffold plate. <P>SOLUTION: Both end parts of a horizontally long baseboard body 2, are provided with a placing plate 3 for placing this baseboard body 2 on the scaffold plate in a rising state, and a bracket 4 for directly fixing the baseboard body 2 to the scaffold plate, by freely engaging with and disengaging from the under surface side of the scaffold plate in a state of rising the baseboard body 2 on the scaffold plate. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a scaffolding baseboard that is directly attached to a scaffolding plate that constitutes a work scaffold for construction or civil engineering work.

  For example, temporary work scaffolds for construction and civil engineering include building frame scaffolds, system scaffolds, scaffolds for support works, etc. In any case, a work board is constructed by laying a scaffold plate between horizontal horizontal members. It has a formed structure.

  By the way, for temporary work scaffolds such as those mentioned above, the relevant ministries and agencies have notified the fall prevention guidelines, and as a means to prevent the fall caused by sliding the foot on the scaffolding board, on the opposite side of the building from the top of the scaffolding board There is a need to provide a baseboard in an upright position at the position.

  Conventionally, baseboards in temporary work scaffolds are attached to the building at the top of the scaffolding plate by installing dedicated mounting brackets on both ends of the baseboard and fixing the ends with mounting brackets on both sides of the building frame and system scaffolding. A column mounting type in which skirting boards are arranged upright in the opposite position, and a horizontal member mounting in which the skirting boards are arranged upright in the same manner as a scaffolding plate between horizontal horizontal members on both sides of the building frame and system scaffolding A type has been proposed.

  By the way, in the case of the former column mounting type, a gap may be generated between the scaffold plate and the baseboard depending on the installation position of the scaffold plate, and the foot may fall into this gap. The fixing with the dedicated mounting bracket cannot be shared for various building frames and system scaffolds, and there is a problem that many types of baseboards must be prepared.

  In the case of the latter horizontal member mounting type, the gap between the scaffolding board and the baseboard can be reduced compared to the column mounting type, but the gripping bracket for the horizontal member becomes larger, and the mechanism for preventing falling However, there is a problem that the structure is complicated and expensive.

  Accordingly, an object of the present invention is to enable the baseboard to be directly attached to the scaffold board, to eliminate the occurrence of a gap between the scaffold board and the baseboard, and to sufficiently ensure safety as well as the scaffold and the scaffold board. An object of the present invention is to provide a baseboard for scaffolding that is versatile, can be stacked in a compact manner, and has excellent storability.

  In order to solve the above-described problems, the present invention is a mounting for projecting from the lower part of the baseboard body to one side at both ends of the baseboard body, and placing the baseboard body on the scaffolding board in an upright state. In this state, the base plate and the skirting board main body stand up on the scaffolding board, and can be freely attached to and detached from the lower surface side of the scaffolding board, and a structure is provided with a mounting bracket that directly fixes the baseboard body to the scaffolding board. .

  The mounting bracket can be rotated and moved in the axial direction on the rotating shaft attached to the skirting board main body so as to be rotatable around a vertical axis and the lower horizontal part of the rotating shaft protruding from the lower surface of the skirting board main body. An engagement fitting that is provided with an inclined surface on the side surface and can be brought into contact with the lower surface of the scaffolding plate in an upright state positioned on the lower surface side of the scaffolding plate; and On the other hand, it can be set as the structure by which the inclined surface of the side surface is formed with the elastic member which urges | biases the movement elasticity of the direction press-contacted to the lower surface inside corner of a scaffold board.

  Moreover, the obstruction board is provided in the both ends of the said baseboard main body in an extended form, and the obstruction board of both ends overlaps with the obstruction board of the baseboard main body attached to the adjacent scaffold board in the attachment state to a scaffold board. The structure arrange | positioned in the positional relationship which becomes can be employ | adopted.

  Here, the base board body is made of aluminum, a steel plate or the like, is a horizontally long shape having a predetermined height, and has a strong cross-sectional structure in which upper and lower ends are provided with folded walls toward the outer surface.

  The rotating shaft of the mounting bracket is formed in an L shape with a horizontal part bent at the lower end using a metal round shaft, and is attached to the upper and lower folding walls of the skirting board so that it can rotate freely and not move in the axial direction. The engagement fitting provided on the horizontal portion of the rotating shaft is formed by providing a T-shaped portion at the end of the tip of the fitting main body formed in a substantially pentagonal home base shape, Attach the horizontal part so that it can rotate and move in the axial direction.Furthermore, the elastic member uses a coil spring and is fitted around the horizontal part inside the metal fitting body, and one end is fixed to the horizontal part. The above-described moving elasticity is given to the engagement metal fitting.

  According to the present invention, on both ends of the skirting board main body, the mounting board for placing the skirting board main body on the scaffolding board in an upright state, and the lower surface side of the scaffolding board in a state where the skirting board main body stands on the scaffolding board Since the mounting bracket is provided to fix the skirting board body directly to the scaffolding board, a gap is generated between the skirting board and the scaffolding board by attaching and fixing the skirting board body directly to the scaffolding board. It can be installed in a state where there is no gap, and it can prevent accidents from falling on the scaffolding board by taking a foot in the gap, and can greatly improve the safety of the work floor in various scaffolds .

  Also, since the skirting board is directly fixed to the scaffolding board, the skirting board can be of a single structure regardless of whether the temporary scaffolding is a building scaffolding, a system scaffolding, a scaffolding for supporting work, etc. , Extremely versatile.

  In addition, the fittings of the mounting brackets are excellent in versatility with respect to the scaffolding plate, as the thickness of the scaffolding plate can be changed, and the top plate can cope with either the scaffolding plate or the expanded metal. By making the engagement fittings rotatable, it becomes possible to stack the baseboard main bodies by selecting the direction of the engagement fittings, and the stackability is excellent due to compact stacking.

  In addition, since a closing plate capable of adjusting the overlapping amount is provided at both ends of the baseboard body, the temporary scaffolding is either an inch size or a meter size in a building frame scaffolding, a system scaffolding, a scaffolding for supporting work, etc. However, the space between adjacent baseboard bodies can be closed, and the inch size and meter size can be used together, which is advantageous for the rental company in terms of operation.

  At both ends of the skirting board body, a mounting plate for placing the skirting board body on the scaffolding board in an upright state, and a lower surface side of the scaffolding board with the skirting board body standing on the scaffolding board can be freely engaged and disengaged. Thus, a mounting bracket for directly fixing the baseboard body to the scaffolding plate is provided.

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

  As shown in FIGS. 1 to 5, the scaffolding skirting board 1 is provided with a horizontally long skirting board body 2 and both ends of the skirting board body 2, and the skirting board body 2 is placed on the scaffolding board in an upright state. And a base plate 2 on the lower surface side of the scaffolding board A with the baseboard body 2 standing on the scaffolding board A. The base plate 2 is formed by a mounting bracket 4 that directly fixes the baseboard body 2 to the scaffolding plate A, and closing plates 5 and 6 provided in an extended shape at both ends of the baseboard body 2.

  The baseboard body 2 is made of aluminum, steel plate or the like, and has a strong cross-sectional structure in which folded walls 8 and 9 are provided on the upper and lower ends of the vertical surface plate 7 having a predetermined height and length. Yes.

  As shown in FIG. 2, the length of the baseboard body 2 in the horizontal direction is substantially the same as the length of the scaffolding plate A to be attached and used, and the height dimension is, for example, about 150 mm. Accordingly, the type of the skirting board 1 is the same as the type of the length of the scaffolding board A.

  The mounting plate 3 is formed of a flat metal plate, welded and fixed to the lower folded wall 9 of the skirting board main body 2, and protrudes from the vertical surface plate 7 to the inner surface side by a predetermined length.

  The mounting bracket 4 rotates to a rotating shaft 10 that is rotatably attached to a baseboard body 2 around a vertical axis, and a lower end horizontal portion 11 of the rotating shaft 10 that protrudes downward from the lower surface of the baseboard body 2. And an inclined surface 12 is provided on the side surface, and the upper end is an inner corner of the lower bent portion D of the scaffold plate A in an upright state positioned on the lower surface side of the scaffold plate A. Engagement metal 13 that can be brought into contact with the edge, and movement elasticity in a direction in which the inclined surface 12 of the side surface of the engagement metal 13 is pressed against the inner corner edge of the lower bent portion D of the scaffold plate A is attached. It is formed with the elastic member 14 to urge.

  The rotating shaft 10 in the mounting bracket 4 is formed in an L shape with a horizontal portion 11 bent at the lower end using a metal round shaft, and the horizontal portion 11 is below the lower folding wall 9 of the baseboard body 2. The engagement metal fitting 13 provided on the horizontal portion 11 of the rotary shaft 10 is attached to the upper and lower folded walls 8 and 9 of the baseboard body 2 so as to be positioned at It is formed in a substantially pentagonal home base shape, and has an inclined surface 12 that abuts against the inner corner edge of the lower folding wall 9 of the scaffolding plate A on one surface side of the upper portion. A character-shaped portion 17 is provided, and both opposing walls of the engagement fitting 13 are fitted and attached to the horizontal portion 11 so as to be freely rotatable and movable in the axial direction, and a coil spring is attached to the elastic member 14. Use the horizontal part in the engagement fitting 13 Externally fitted to 1, one end thereof via a pin 18 fixed to the horizontal portion 11, by abutting the other end on one of the opposing walls, is imparted a movement elastic described above in engagement alloy tool 13.

  When the top plate of the scaffolding plate A is a steel plate or an aluminum plate, the top surface of the flat plate 16 of the engagement metal fitting 13 is brought into contact with the bottom surface of the top plate B as shown in FIG. 3, and as shown in FIG. In the case of expanded metal, a projection 19 is provided that fits into the mesh.

  The closing plates 5 and 6 provided at both ends of the baseboard body 2 overlap with the closing plates 5 or 6 of the baseboard 1 attached to the adjacent scaffolding plate A in a state where the baseboard 1 is attached to the scaffolding plate A. Thus, the position is shifted with respect to the thickness direction of the skirting board main body 2.

  The skirting board 1 of the present invention has the above-described configuration. As shown in FIG. 2, after the scaffolding plate A is installed with the hooks at both ends between the horizontal horizontal members C on both sides of the scaffolding, it is shown by a solid line in FIG. As described above, the rotating shaft 10 is rotated with respect to the skirting board body 2 so that the horizontal portion 11 protrudes outward, and the engagement fitting 13 attached to the horizontal portion 11 is set so that the flat plate 16 faces downward. Then, as shown in FIG. 4, the skirting board body 2 is faced to the end position on the opposite side of the building on the upper surface of the scaffolding board A, and the placing boards 3 provided at both ends thereof are placed on the scaffolding board A, The lower part of the rotating shaft 10 is brought into contact with the outer end surface of the scaffold plate A.

  Next, the rotating shaft 10 is rotated by 180 ° as shown by a one-dot chain line in FIG. 4 so that the horizontal portion 11 faces the lower part of the scaffolding plate A, and in this state, the engagement fitting 13 is placed inside the scaffolding plate A. When the elastic member 14 is moved toward the compression direction and rotated around the horizontal portion 11 to be in an upright posture, and the engagement metal member 13 is released in this state, the engagement metal member 13 is pressed by the elastic member 14. 3 and moves toward the outside of the scaffolding plate A, and the inclined surface 12 on the side surface is pressed against the lower inner corner edge of the lower bent portion D of the scaffolding plate A as shown in FIG.

  As shown in FIG. 3, when the inclined surface 12 of the engagement fitting 13 is in pressure contact with the lower inner corner edge of the scaffold plate A, the attachment fitting 4 is attached to the lower portion of the scaffold plate A by the lower portion of the rotating shaft 10 and the engagement fitting 13. The bending part D is elastically sandwiched from inside and outside, and the top board B is sandwiched between the projection 19 of the flat plate 16 and the mounting board 3, whereby the skirting board 1 erected on the scaffolding board A has both ends at the scaffolding board A It will be firmly fixed to.

  FIG. 3 shows an example in which the top plate B of the scaffold plate A is a steel plate or an aluminum plate, and the engagement bracket 13 has a projection 19 in contact with the lower surface of the top plate B. As shown in FIG. When the plate B is an expanded metal, the projection 19 fits into the mesh, and the flat plate 16 comes into contact with the lower surface of the metal.

  As described above, by directly fixing the skirting board main body 2 to the upper surface of the scaffolding board A, there is no generation of a gap between the scaffolding board A and the skirting board main body 2, and safety is improved. become.

  Further, at both ends of the skirting board main body 2, the closing plates 5 and 6 of the adjacent skirting board main body 2 are arranged in an overlapping manner, so that no gap is generated between the adjacent skirting board main bodies 2 and safety is improved. ing.

  The skirting board 1 can be removed from the scaffolding board A by the reverse procedure and operation as described above, and when the skirting boards 1 are stacked, the engagement fitting 13 is shown by the solid line in FIG. If the horizontal portion 11 of the rotating shaft 10 is along the length direction of the skirting board main body 2 with the phase downward, the protruding portion in the thickness direction of the skirting board main body 2 is eliminated, and the bulky stacking can be performed. .

Perspective view of scaffolding skirting (A) is the front view which shows the attachment state to the scaffolding board of scaffolding, (b) is the top view Enlarged longitudinal sectional view along arrow III-III in FIG. Enlarged vertical side view showing the structure of the skirting board and mounting bracket Cutaway perspective view of the main part showing the state of attachment to the baseboard scaffolding board (A) is a top view which shows the attachment state of a baseboard in case the top plate of a scaffold board is an expanded metal, (b) is a longitudinal cross-sectional view which follows the arrow bb of (a).

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Baseboard 2 Scaffolding body 3 Mounting board 4 Mounting bracket 5 Closure board 6 Closure board 7 Vertical surface board 8 Folding wall 9 Folding wall 10 Rotating shaft 11 Horizontal part 12 Inclined surface 13 Engagement metal fitting 14 Elastic member 15 Pin 16 Flat plate 17 T-shaped part 18 Pin 19 Projection

Claims (3)

  At both ends of the skirting board body, it protrudes from the lower part of the skirting board body to one side, and a placing board for placing the skirting board body on the scaffolding board in an upright state, and the skirting board body stand up on the scaffolding board A baseboard for a scaffold provided with a mounting bracket that can be freely attached to and detached from the lower surface side of the scaffold board in a state and that directly fixes the baseboard body to the scaffold board.   The mounting bracket can be rotated and moved in the axial direction on the rotating shaft attached to the skirting board main body so as to be rotatable around a vertical axis and the lower horizontal part of the rotating shaft protruding from the lower surface of the skirting board main body. An engagement fitting that is provided with an inclined surface on the side surface and can be brought into contact with the lower surface of the scaffolding plate in an upright state positioned on the lower surface side of the scaffolding plate; and 2. The scaffolding baseboard according to claim 1, wherein the sloped surface of the side surface is formed of an elastic member that urges the moving elasticity in a direction in pressure contact with the lower surface inside corner of the scaffolding plate.   A closing plate is provided at both ends of the skirting board body, and the closing plates at both ends overlap with the closing board of the skirting board body attached to the adjacent scaffolding plate when attached to the scaffolding board. The baseboard for scaffolding according to claim 1 or 2, which is arranged in such a positional relationship.

Images