JP4732098B2 - Temporary scaffolding skirting boards - Google Patents

Description

  The present invention relates to a skirting board for temporary scaffolding that is attached to the edge of a cloth board of a temporary scaffolding along the cloth board, in order to prevent an accident of falling of an operator and a fall accident of tools and construction materials. Used.

  In construction sites and civil engineering sites, wedge-coupled scaffolds and framework scaffolds are widely used as scaffolds for walking and work, and as support works for supporting concrete molds.

  Here, the wedge binding type scaffolding is composed of a standardized building site, cloth materials (horizontal tie materials) and arms, which are connected to each other and assembled into a jungle gym shape, and then a cloth plate is placed between adjacent arms. In particular, the members are detachably connected by wedges.

On the other hand, the frame scaffolding is constructed by assembling a plurality of units formed in a fixed gate-shaped frame shape by inserting the upper and lower parts, and then laying a cloth board between the horizontal surfaces of adjacent building frames .

By the way, recently, due to the heightened safety awareness of workers in construction and civil engineering work, temporary scaffolds were also fitted with baseboards around the cloth board, and accidents caused by workers falling or tools placed on the cloth board, It is intended to prevent construction materials from being dropped. In particular, with regard to the above-mentioned skirting boards for frame scaffolds, there are no fundamental differences in the structure and dimensions of the frame scaffolds among the manufacturers, so various general-purpose skirting boards that can be used by all manufacturers have been developed.
JP-A-8-151786 JP 2003-166342 A JP 2004-60167 A Japanese Patent Laid-Open No. 2005-188023

  However, as for the baseboard of the wedge-tightened type scaffolding, there is no particular development of a temporary baseboard baseboard that can be used in common by each manufacturer because the size, structure, etc. are different among the manufacturers. For this reason, long scaffolding boards are attached to both sides of the cloth board instead of the baseboard to cope with accidental accidents of workers and falling accidents such as tools.

  However, as a metal fitting for fixing the installed long scaffold plate to a building site or the like, for example, using a metal fitting as described in Patent Document 1, the thickness, width, and length of the long scaffold plate are further increased. If there is unevenness, etc., rattling may occur and attachment may be very difficult, and in particular, it cannot be handled at all in the part where two long scaffolding plates overlap.

  In addition, since this type of baseboard is forced to be attached and detached at a high place and in a very small space in a work scaffold, a structure that is lightweight and can be easily attached and detached is desired.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a temporary scaffolding skirting board that is easy to handle such as attachment and detachment and can be securely and firmly attached.

  A temporary scaffolding skirting board according to claim 1 is a skirting board for temporary scaffolding that is attached to a temporary scaffolding having a building site installed at a predetermined interval and a cloth board installed between the building sites. A baseboard body that is attached to the edge of the cloth board along the cloth board, and a clamp that is attached to the end of the baseboard body and is fastened to a receiving metal that protrudes from the building. An end fitting having an engaging portion that engages with an upper end portion of the receiving metal fitting, and a locking metal fitting attached to the lower side of the end fitting so as to face the engaging portion. And a pulling member attached to an end of the baseboard body and pulling the locking metal fitting toward the engaging portion.

  In particular, the present invention is constructed by connecting a plurality of standardized construction sites, cloth materials and arm boards to each other by using a wedge-tightening method and then assembling them into a jungle gym shape, and then laying a cloth board between adjacent arm boards. It is used for Rusabi binding type scaffolding.

  In particular, the wedge-type scaffolding has a receiving bracket with a wedge insertion hole protruding from the building so that the building can be easily assembled and disassembled using wedges. It is possible to easily attach and detach the temporary scaffolding skirting board using the metal fittings.

  In this case, the shape of the metal fittings varies depending on the manufacturer, but the holding metal fittings are strongly clamped from the top and bottom by the end metal fittings and the locking metal fittings. It can also be used for metal brackets.

  The temporary scaffolding baseboard according to claim 2 is a baseboard for temporary scaffolding that is attached to a temporary scaffolding that includes a building frame that is installed at a predetermined interval and a cloth board that is installed between horizontal sides of the building frame. The base plate attached to the edge of the cloth board along the cloth board and the end of the base board body, and is composed of a clamping metal fitting fastened to the horizontal of the building frame, The clamping metal fitting includes an end fitting provided with an engaging portion that engages with the upper side of the horizontal ground, a locking fitting that is attached to the lower side of the end fitting so as to face the engaging portion, and the baseboard body. A pulling member attached to the end portion and pulling the locking fitting toward the engaging portion side is characterized in that it is characterized in that

In particular, the present invention is a frame scaffolding constructed by assembling a plurality of building frames formed in a certain gate-shaped frame shape by inserting up and down, etc., and then laying a cloth board between the horizontal grounds of adjacent building frames. (See FIG. 7).

  In any of the inventions, the locking metal fitting can be formed as compact as possible so as not to protrude larger than the skirting board main body, and this makes it easy to handle without being bulky during transportation and storage. be able to.

  In addition, as a pulling member that pulls the locking bracket toward the engaging portion, for example, a screw type that allows the locking bracket to be pulled toward the engaging portion by tightening a bolt or nut, or a wedge is inserted into the wedge hole Thus, a wedge type or the like in which the locking fitting is pulled toward the engaging portion side can be used.

  The temporary scaffolding skirting board according to claim 3 is the temporary scaffolding skirting board according to claim 1 or 2, wherein the locking metal fitting is slidably attached to the longitudinal direction of the baseboard body. It is what.

  In particular, according to the present invention, a fixed amount of slidable metal fittings are slidably attached in the longitudinal direction of the skirting board main body, so that the fitting and detachment of the receiving metal and the holding metal can be easily and reliably performed. Is.

  A temporary scaffolding skirting board according to a fourth aspect is characterized in that, in the temporary scaffolding skirting board according to any one of the first to third aspects, a handle is attached to the locking metal fitting.

  In particular, when attaching and removing the skirting board to and from the temporary scaffold, the present invention can be easily slid by holding the handle, and by simply observing the position of the handle, It is possible to securely fix the end of the baseboard to the building site by being able to confirm the positional relationship.

  The temporary scaffolding skirting board according to the present invention can be easily attached and detached, and the clamping bracket is a system that firmly clamps the horizontal surface of the receiving bracket or the building frame from above and below by the end bracket and the locking bracket. Can be attached to.

  Moreover, it can respond to any receiving metal fitting by adding some design changes to the holding metal fittings.

  1 to 6 show an example of a wedge-tightened temporary scaffold temporarily installed outside the building A. In the figure, a plurality of building sites 1 and 2 are arranged in two rows at predetermined intervals along the building A, respectively. A plurality of cloth materials 3 are installed at predetermined intervals in the vertical direction of the building 1 and 2 between the building 1 and 1 and the building 2 and 2 adjacent to each other. ing.

  Also, between the building (outside step) 1 outside the building A and the building (front step) 2 near the building A, a plurality of arms 4 are bridged at the same height as the cloth material 3, respectively. A cloth plate 5 is bridged between the arms 4 and 4 to be carried out. Further, a temporary scaffolding skirting board 6 is bridged between the respective construction sites 1 and 1 located outside the building A and located above the cloth material 3.

  The building sites 1 and 2, the cloth material 3, and the arm 4 are all formed from steel pipes, and receiving metal fittings 7 project from the connection portions between the building materials 1 and 2 of the building sites 1 and 2, respectively. Further, connecting metal fittings 8 connected to the receiving metal fittings 7 project from both ends of the arm 4 respectively.

  The metal fitting 7 is originally a metal fitting for connecting the cloth material 3 and the arm 4 to the buildings 1 and 2 with wedges, and the metal fitting 7 has four orthogonal directions including the directions on the cloth material 3 side and the arm 4 side. A plurality of connecting portions 7a projecting from each other are formed, and a wedge insertion hole 7b penetrating in the vertical direction is formed in each connecting portion 7a.

  On the other hand, flanges 8a and 8a projecting horizontally on both the upper and lower sides of the connecting portion 7a are provided so as to hold the connecting portion 7a of the receiving bracket 7 from above and below, and the receiving metal fitting 8 is provided on the flange 8a and 8a. The wedge holes 8b and 8b are formed corresponding to the wedge insert holes 7b. Then, by sequentially inserting the wedge 9 into the wedge holes 8b and 8b of the connecting metal fitting 8 and the wedge insertion hole 7b of the receiving metal fitting 7, the respective end portions of the cloth material 3 and the arm 4 are connected to the building sites 1 and 2. Each is detachably connected.

  Hooks 5a and 5a are provided at both ends of each fabric board 5, and both ends of each fabric board 5 are detachably connected to the arms 4 and 4 by hooking the hooks 5a and 5a to the arms 4 respectively. Has been.

  Each temporary scaffolding skirting board 6 is composed of a skirting board main body 6A and a holding metal fitting 10 attached to both ends of the baseboard main body 6A. The protruding connection portion 7c is sandwiched from above and below.

  The holding metal fitting 10 will be described in detail. The holding metal fitting 10 is attached to the end of the baseboard body 6A, and has an end fitting 11 provided with an engaging portion 11a engaged with the upper end of the connecting portion 7c at the lower end, A locking metal fitting 12 attached to the lower side of the end fitting 11 and formed so as to strongly sandwich the connecting portion 7c of the receiving fitting 7 from above and below by the engaging portion 11a of the end fitting 11, and the baseboard body 6A. The fastening bolts 13 are vertically attached to the end portions of the bolts, and tightening bolts 13 that strongly pull the locking fitting 12 toward the engaging portion 11a (connecting portion 7a).

  The engaging portion 11a is formed by notching the lower end portion of the end fitting 11, and a latching piece 11b that fits into the wedge insertion hole 7b of the connecting portion 7a protrudes directly downward in the engaging portion 11a. It is installed.

  The locking fitting 12 is formed with a substantially rectangular flat hole 12a that continues for a predetermined length in the longitudinal direction of the baseboard body 6A, and a plate nut 14 slides in a certain amount in the longitudinal direction of the baseboard body 6A in the flat hole 12a. Built-in freely.

    The tightening bolt 13 is attached to the end portion of the skirting board main body 6A by vertically penetrating the end portion downward from above, and the male screw portion 13a at the tip thereof penetrates the loose hole 12b of the locking fitting 12, Screwed onto the plate nut 14.

    The loose hole 12b is a long hole having a long axis in the longitudinal direction of the skirting board main body 6A. Therefore, the locking metal fitting 12 is slid freely to some extent in the longitudinal direction of the skirting board main body 6A. .

    Further, a handle 12c protruding right above is attached to the locking metal 12, and the locking metal 12 can be freely slid in the longitudinal direction of the skirting board main body 6A by pinching the handle 12c.

    In such a configuration, when the tightening bolt 13 is strongly tightened, the pin 12d with the distal end side of the locking member 12 abutting against the lower end of the baseboard body 6A is rotated upward about the rotation shaft, whereby the connecting portion of the receiving member 7 is connected. 7c can be firmly sandwiched between the engaging portion 11a of the end fitting 11 and the locking fitting 12, whereby both ends of the skirting board main body 6A are firmly and detachably connected to the building grounds 1 and 1.

  In this case, in particular, when the tightening bolt 13 is tightened, the pin 12d attached horizontally to one end side (the lower end portion of the handle 12c) of the engagement fitting 12 comes into contact with the lower end portion of the width main body 6A, and the rotation of the engagement fitting 12 is performed. Since it becomes a shaft (lever fulcrum), the connecting portion 7c of the receiving metal 7 can be sandwiched very strongly from above and below by the lever action of the engaging metal 12 by the engaging part 11a and the engaging metal 12 of the end metal part 11. .

  Moreover, the end of the baseboard body 6A does not detach from the building 1 by inserting the latching piece 11b formed in the engaging portion 11a into the wedge insertion hole 7b of the connecting portion 7a.

  FIG. 4 (c) shows another method of strongly pulling the locking metal fitting 12 toward the engaging portion 11a (connecting portion 7a), and the tightening rod 22 is replaced with the end of the width main body 6a instead of the tightening bolt 13 described above. It is attached to the part so as to be movable in the vertical direction.

  The lower end portion of the tightening rod 22 is connected to the locking fitting 12, the upper end portion protrudes from the upper end portion of the baseboard body 6a by a predetermined length, and a wedge hole 22a is formed horizontally in the protruding portion. Then, by inserting the wedge 23 into the wedge hole 22a, the locking fitting 12 can be strongly pulled toward the engaging portion 11a (connecting portion 7a).

  FIGS. 7 to 9 show an example of a temporary scaffolding baseboard used for a frame scaffolding. In the figure, a clamp 15 is provided at one end of the baseboard body 6A, and an end fitting is provided at the other end. 16 are respectively attached.

The clamp 15 is attached to the end of the baseboard body 6 </ b> A, and includes an end bracket 18 having an engagement portion 18 a that fits with the horizontal ground 17 a of the building frame 23 used for the frame scaffold 17 , and the end bracket 18. Attached to the lower side, and attached vertically to the end of the baseboard body 6A, with the locking metal 19 formed so as to strongly sandwich the horizontal ground 17a from above and below by the engaging part 18a of the end metal part 18; It comprises a fastening bolt 20 that strongly pulls the locking metal 19 toward the engaging portion 18a (horizontal ground 17a).

  In addition, the contact part with the horizontal part 17a of the engaging part 18a of the edge metal fitting 18 and the latching metal fitting 19 is formed in concave shape along the outer periphery of the horizontal ground 17a. Further, a handle 19 a is formed on the locking fitting 19.

The fastening bolt 20 is attached to the end portion of the baseboard body 6A by vertically penetrating the end portion downward from above, and the male screw portion 20a at the tip thereof passes through the long hole 19b of the locking bracket 19, It is screwed into a plate nut 21 attached to the back side of the locking metal piece 19. When the tightening bolt 20 is strongly tightened, the pin 19c with the front end side of the locking bracket 19 in contact with the lower end of the skirting board main body 6A is rotated upward with the rotation shaft as a rotation axis . The horizontal ground 17 a can be strongly sandwiched between the engaging portion 18 a of the end fitting 18 and the locking fitting 19.

  On the other hand, the end fitting 16 is formed in a substantially U-shaped groove opening in the front end direction of the planar upper skirting body 6A, and is opened in a diagonally downward direction at the lower end of the end fitting 16, so that the cloth frame 17b. The engaging part 16a which can be fitted to is formed.

  In such a configuration, the engaging portion 16a of the end fitting 16 is fitted into the lateral ground 17b on one end side, and the lateral ground 17a on the other end side is strongly sandwiched by the end metallic fitting 18 and the locking fitting 19 of the holding metal fitting 15. Thereby, the base board 6 can be attached to the edge part of the cloth board of a frame scaffold along the said cloth board.

  In particular, the end fitting 16 is formed in a substantially U-shaped groove opening in the front end direction of the planer base body 6A on the plane, so that a plurality of baseboards 6 and 6 are continuous in the longitudinal direction. 9A and 9B, for example, as shown in FIGS. 9 (a) and 9 (b), the sandwiching metal fitting 15 of one adjacent baseboard 6 is placed within the end metal fitting 16 of the other adjacent baseboard 6 in the horizontal direction 17b. As a result, the plurality of skirting boards 6 can be continuously attached without causing a step or the like in the longitudinal direction thereof.

  The present invention can be easily attached along the cloth plate to the edge of the cloth plate of a temporary scaffold such as a wedge-tight temporary scaffold or a framed scaffold, and can be easily removed. It ’s big.

1 shows a wedge-tightened temporary scaffold to which a temporary scaffolding baseboard is attached, wherein (a) is a partial front view thereof, and (b) is a side view thereof. 1 shows a wedge-tightened temporary scaffold with a temporary scaffolding base plate attached thereto, wherein (a) is a partial perspective view seen from the outside of the scaffold, and (b) is a partial perspective view seen from the inside of the scaffold. A base plate attachment portion is shown, and (a) and (b) are partial perspective views thereof. An example of the baseboard for temporary scaffolding is shown, (a) is a perspective view thereof, and (b) is a front view with a part thereof omitted. It is a partial perspective view of a building land. It is a perspective view of a locking metal fitting. It is a partial perspective view of a frame scaffold. The edge part of the baseboard for temporary scaffolds used for a frame scaffold is shown, (a) is a front view showing a state in which the end part is fixed to a horizontal ground, (b) is a state in which the end part is fixed to the horizontal ground. FIG. The connection part of adjacent baseboards is shown, (a) is a top view, (b) is a front view.

Explanation of symbols

1 Building 2 Building 3 Fabric (Horizontal)
4 Arms 5 Cloth Board 6 Temporary Scaffolding Board 7 Receiving Bracket 8 Connecting Bracket 9 Wedge 10 Clamping Bracket 11 End Bracket 12 Locking Bracket 13 Tightening Bolt (Drawing Member)
14 Plate nut 15 Holding metal 16 End metal 17 Frame assembly scaffold 18 End metal 19 Locking metal 20 Tightening bolt (drawing member)
21 Plate nut 22 Pulling rod (Pulling member)

Claims (4)

  A skirting board for a temporary scaffold, which is attached to a temporary scaffolding having a building site installed at a predetermined interval and a fabric board installed between the construction sites, and the fabric board at an edge of the fabric board A base plate attached along the edge of the base plate, and a clamp fitting attached to an end of the base plate body, and fastened to a bracket projecting on the building, wherein the clamp bracket is an upper end of the bracket An end fitting provided with an engagement portion that engages with the engagement portion, a locking fitting attached to the lower side of the end fitting opposite to the engagement portion, and attached to an end portion of the baseboard body A baseboard for temporary scaffolding, comprising: a pulling member that pulls the locking metal fitting toward the engaging portion.   Temporary scaffolding baseboards attached to a temporary scaffolding comprising a building frame installed at a predetermined interval and a cloth board installed between the lateral sides of the building frame, The skirting board main body is attached along the cloth board, and is composed of a clamping member that is attached to an end portion of the skirting board main body and is tightly coupled to the horizontal ground of the building frame, and the clamping metal fitting engages with the upper side of the horizontal ground. An end fitting having an engagement portion, a locking fitting attached to the lower side of the end fitting opposite to the engagement portion, and an end fitting of the baseboard body, A skirting board for a temporary scaffold, comprising a pulling member that pulls toward the engaging portion.   3. The temporary scaffolding skirting board according to claim 1 or 2, wherein the locking metal fitting is slidably attached to the longitudinal direction of the skirting board main body by a predetermined amount. The baseboard for temporary scaffolding according to any one of claims 1 to 3, wherein a handle is attached to the locking metal fitting.

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