JP2011089260A - Baseboard device for temporary scaffold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a baseboard device for a temporary scaffold, having a sufficient strength and mounted on a scaffold member. <P>SOLUTION: This baseboard device 10 for the temporary scaffold is mounted on the long scaffold member 15, mounted between horizontal members 11 and 12 arranged at a predetermined interval therebetween, having frame bodies 13, 13b on both sides in the width direction, and forming an opening part 14 in a stepping region in an upper part. This baseboard device 10 includes a baseboard body 16 erected at an end on one side in the width direction of the scaffold member 15 for use, a plurality of hooks 18 attached to the baseboard body 16 through a reinforcing fitting 17 protruding from a bottom part 27 of the baseboard body 16 onto the central part side of the scaffold member 15, inserted into the opening part 14 in the scaffold member 15 and hooked on the scaffold member 15, and bent into L-shape, and a baseboard body fixing means 19 tightening and fixing the erected baseboard body 16 by nipping and holding the frame body 13 of the scaffold member 15. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

TECHNICAL FIELD The present invention relates to a baseboard device for a temporary scaffold that is attached to a scaffold plate serving as a work scaffold for construction or civil engineering work and prevents an operator from stepping off.

In the field of construction and civil engineering work, a temporary scaffolding is provided in which scaffold members (scaffolding plates) are laid between horizontally arranged horizontal members to form a worker's work floor around the building in the middle of construction. In order to prevent the worker himself from dropping the foot from the scaffold member and dropping the tool, material, etc. from the scaffold member, the scaffold member on the opposite side of the building A baseboard is provided on the outer side in an upright manner.

As the baseboard provided in the temporary scaffold, for example, the baseboard for scaffolding of Patent Document 1 protrudes from the lower part of the baseboard body at both ends of the baseboard body and is placed on the scaffold member in an upright state. And a mounting bracket for fixing the skirting board body to the scaffolding member so as to be detachable from the lower surface side of the scaffolding member in a state where the skirting board body stands on the scaffolding member.

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 has an inclined surface on the side surface, and that can be brought into contact with the lower surface of the scaffold member in an upright state that is positioned on the lower surface side of the scaffold member. An inclined surface of the side surface is formed of an elastic member that urges the moving elasticity in a direction in which it is pressed against the lower inner corner of the scaffold member.

JP 2005-139663 A

However, the scaffolding skirting of Patent Document 1 is attached to the scaffold member mainly by press-contacting the inclined surface of the engagement fitting to the lower inner corner of the scaffold plate, and there is a problem that the attachment strength is not sufficient. It was.
This invention is made | formed in view of this situation, and it aims at providing the baseboard apparatus for temporary scaffolds attached to a scaffold member with sufficient intensity | strength.

The baseboard device for temporary scaffolding according to the present invention that meets the above-mentioned object is attached between horizontal members arranged at a predetermined interval, has frame portions on at least both sides in the width direction, and has an opening in the upper stepping region. A temporary scaffolding baseboard device to be attached to a long scaffolding member formed with a baseboard body that is used standing on one end in the width direction of the scaffolding member, and a bottom part of the baseboard body It is attached to the skirting board body through a reinforcing metal fitting protruding from the center side of the scaffold member, inserted into the opening of the scaffold member, and bent into an L shape that is hooked on the scaffold member And a baseboard body fixing means for clamping and fixing the baseboard body in an upright state by sandwiching a frame body portion of the scaffold member.

In the skirting board device for temporary scaffolding according to the present invention, the base board body is bent in one direction on both sides in the width direction of the long wide iron plate, and further bent inward on the tip side in a lip groove shape. preferable.

In the baseboard device for temporary scaffolding according to the present invention, the reinforcing metal fitting is fixed to the front plate portion of the baseboard body, and the lower part is at the same height as the bottom part of the baseboard body side of the center part of the scaffold member It is preferable that a lower plate portion is formed, which is bent to be fixed to the upper end of the hook.

In the baseboard device for temporary scaffolding according to the present invention, the baseboard body fixing means includes an L-shaped bolt that is formed by bending a tip portion and is hooked to one end portion of the scaffold member, and the L-shape. A nut that is screwed to the base of the bolt, and the upper portion of the reinforcing bracket is bent along the ceiling of the baseboard body, and a through-hole through which the L-shaped bolt is inserted is formed. Is preferred.

In the skirting board device for temporary scaffolding according to the present invention, it is preferable that a detent mechanism for restricting the rotation of the L-shaped bolt with respect to the skirting board main body is provided.

In the baseboard device for temporary scaffolding according to the present invention, the detent mechanism is preferably configured to include a spring material that is attached to the baseboard body and presses the L-shaped bolt from one side. .

A temporary scaffolding baseboard device according to any one of claims 1 to 6 is inserted into an opening of a scaffolding member, and a plurality of latching hooks bent in an L-shape and latched on the scaffolding member, and a width in a standing state Since it has baseboard main body fixing means that clamps and fixes the wooden body by sandwiching the frame body portion of the scaffold member, it can be attached to the scaffold member with sufficient strength by at least two different fixing methods.

In particular, in the baseboard device for temporary scaffolding according to claim 2, the baseboard body has a cross-sectional lip groove shape by bending both sides in the width direction of the long wide iron plate in one direction and further bending the tip side inward. Therefore, sufficient bending strength is secured to prevent the baseboard body from bending in the longitudinal direction when handling the baseboard device for temporary scaffolding such as transportation and attachment to the scaffolding member.

Since the lower part of the reinforcing bracket is bent to the center part side of the scaffold member at the same height position as the bottom part of the base board body to form the lower plate part, Along with the bottom of the wood body, the lower plate portion can abut against the scaffold member, and the baseboard body can be stably erected on the scaffold member.

In the baseboard device for temporary scaffolding according to claim 4, the baseboard body fixing means includes an L-shaped bolt that is formed by bending a tip portion and is hooked to one end portion of the scaffold member. The scaffold member can be latched without providing the structure and structure.
In addition, since the upper part of the reinforcing bracket is bent along the ceiling of the baseboard body, it is easy to align the reinforcing bracket with the baseboard body, and the mounting of the reinforcing bracket to the baseboard body can be performed in a short time. It can be carried out.

The temporary scaffolding baseboard device according to claim 5 is provided with a detent mechanism for restricting the rotational movement of the L-shaped bolt with respect to the baseboard body, so that the bent tip portion of the L-shaped bolt is rotated. Without being done, it is possible to maintain the state of being hooked to one end of the scaffold member.

In the temporary scaffolding baseboard device according to claim 6, since the detent mechanism is constituted by a spring material attached to the baseboard body and pressing the L-shaped bolt from one side, the repulsive force of the spring material The rotational operation of the L-shaped bolt can be stably limited.

It is a top view which shows the attachment state to the scaffold member of the baseboard device for temporary scaffolds which concerns on one embodiment of this invention. It is XX arrow sectional drawing of FIG. It is a front view of the baseboard device for temporary scaffolding. It is a rear view of the baseboard device for temporary scaffolding. It is a top view of the baseboard apparatus for temporary scaffolding. It is a bottom view of the baseboard device for temporary scaffolding. It is a side view of the baseboard device for temporary scaffolding. It is a YY arrow sectional drawing of FIG.

Next, embodiments of the present invention will be described with reference to the accompanying drawings for understanding of the present invention.
As shown in FIGS. 1 to 8, a temporary scaffolding baseboard device 10 according to an embodiment of the present invention is attached between pipe members 11 and 12, which are examples of horizontal members arranged at a predetermined interval. , Having frame portions 13, 13 a, 13 b, 13 c made of angle steel or grooved steel, the ends of which are connected to form a rectangular frame 22 b, and an opening 14 is formed in the upper stepping region. This is a device attached to the long scaffold member 15.

The temporary scaffolding baseboard device 10 includes a baseboard body 16 that is used by being erected at one end in the width direction of the scaffolding member 15, and a center part side of the scaffolding member 15 from the bottom 27 of the baseboard body 16. A plurality of latching hooks 18 that are attached to the skirting board body 16 through the reinforcing metal fittings 17 projecting to the base member 16, inserted into the openings 14 of the scaffold member 15, and bent in an L shape to be latched by the scaffold member 15; The baseboard main body 16 in the standing state has baseboard main body fixing means 19 for clamping and fixing the frame body portion 13 of the scaffold member 15. Hereinafter, these will be described in detail.

As shown in FIGS. 1 and 2, the scaffold member 15 is an existing one, and is welded and fixed to the inside of the frame body parts 13, 13 a, 13 b, 13 c and the frame body parts 13, 13 a, 13 b, 13 c. A rectangular expanded metal 20 (an example of a mesh iron plate, for example, XG21 in JIS standard), and frame parts 13a located on both sides in the longitudinal direction of the scaffold member 15, The base part is fixed to 13c, and the front part has a plurality of hook fittings 21 hooked to the pipe members 11 and 12. The expanded metal 20 is provided with a mesh-like cross member 22 that forms a rhomboid opening 14. The expanded metal 20 arranged horizontally forms a stepping area that is a stepping foot for an operator at the top, and a reinforcing bar 22a for reinforcing strength in the longitudinal direction is formed at the bottom center of the expanded metal 20. Is provided. In addition, the frame parts 13, 13 a, 13 b, and 13 c form a frame 22 b that surrounds the expanded metal 20.
And the frame part 13 (same also about 13a, 13b, 13c) is formed in the cross-sectional "U" shape, and the upper horizontal plane part 23 and the lower horizontal plane part 24 which faced up and down, the upper horizontal plane part 23, and And a side surface portion 25 perpendicular to the sewage flat surface portion 24.

As shown in FIGS. 3 to 7, the baseboard body 16 is provided on both sides in the width direction of a long wide iron plate having a thickness of 0.5 mm to 3.0 mm (1.0 mm in the present embodiment) for strength reinforcement. It has a cross-sectional lip groove shape that is bent at a right angle in one direction and further bent at the front side at a right angle inside, and in a state where it is erected on the scaffold member 15, a ceiling portion 26, A bottom portion 27 is formed in contact with the upper horizontal surface portion 23 of the frame body portion 13 and parallel to the ceiling portion 26. The baseboard body 16 has lengths of 100 mm to 200 mm (155 mm in the present embodiment) and 1000 mm to 3000 mm (1750 mm in the present embodiment) in the width direction (vertical) and the long direction (horizontal), respectively. It is.
In the present embodiment, a bent steel plate having a cross-sectional lip groove shape is used for the baseboard body, but a long, rectangular wood plate, plastic board, or the like may be used.

The baseboard body 16 is provided with a front plate portion 28 vertically disposed between the ceiling portion 26 and the bottom portion 27, and is fixed to the left and right sides of the front plate portion 28 by a screw mechanism 29 made of, for example, a bolt and a nut. Reinforcing metal fittings 17 to be paired are provided.
The reinforcing bracket 17 has a thickness 2 to 5 times the thickness of the skirting board body 16 (3.2 mm in the present embodiment), and is an upper plate that is bent along the ceiling portion 26 of the skirting board body 16 at the upper part. A lower plate portion 33 that is bent at the center side of the scaffold member 15 at the same height as the bottom portion 27 of the skirting board main body 16 is provided at the lower portion. The upper end portion of the latch hook 18 is fixed to the lower plate portion 33 by welding.
In addition, a through hole is provided in the lower plate portion of the reinforcing bracket, a thread forming region is provided in the upper end portion of the latching hook, and the upper end portion of the latching hook is fixed to the lower plate portion of the reinforcing bracket with a nut. May be.

The hook 18 is formed by bending a round steel having a diameter of 5 mm to 13 mm (9 mm in the present embodiment) into an L shape, and is fixed to the lower plate portion 33 of the reinforcing bracket 17 by welding. , And a horizontal bar portion 36 integrally formed continuously with the lower end of the vertical bar portion 35.
As shown in FIGS. 1 and 2, when the temporary scaffolding baseboard device 10 is attached to the scaffold member 15, the hook 18 is inserted into one of the openings 14 of the expanded metal 20. The hook 18 is inserted into the opening 14 so as to penetrate the vertical bar 35 through the opening 14, and the horizontal bar 36 has a slight gap below the cross member 22 of the expanded metal 20. Or in close contact with each other. When the temporary scaffolding baseboard device 10 is attached to the scaffolding member 15, the axial centers of the vertical bar portion 35 and the horizontal bar portion 36 are parallel and perpendicular to the front plate portion 28 of the baseboard body 16, respectively. The temporary boarding baseboard device 10 is fixed so that the front plate portion 28 of the baseboard body 16 is arranged and is perpendicular to the expanded metal 20 (a stepping region plane).

The skirting board main body fixing means 19 is formed by bending a tip portion, and an L-shaped bolt 38 hooked to the frame body portion 13 located at one end portion of the scaffold member 15, and a base portion of the L-shaped bolt 38 And a wing nut 39 that is an example of a nut that is screwed onto the wing.
The L-shaped bolt 38 can change the vertical position with respect to the skirting board main body 16 by rotating the wing nut 39 clockwise or counterclockwise, and is arranged in parallel with the front plate portion 28 of the skirting board main body 16. , A vertical bar portion 41 having a thread region for the wing nut 39 formed in the base portion, and a horizontal bar portion 42 that is continuous with the tip end of the vertical bar portion 41.
The L-shaped bolt 38 is formed by bending a round steel having a diameter of 5 mm to 13 mm (8 mm in the present embodiment) into an L shape.

The vertical bar portion 41 of the L-shaped bolt 38 is inserted into through holes formed in the upper plate portion 32 of the reinforcing bracket 17 and the ceiling portion 26 and the bottom portion 27 of the skirting board main body 16, and in a vertically arranged state. The position is fixed by a wing nut 39 screwed into the upper part (base part) so as not to fall out of the through holes.
The horizontal bar portion 42 is adjusted in distance from the bottom portion 27 of the skirting base body 16 by the rotation of the wing nut 39, and comes into contact with the lower horizontal plane portion 24 of the frame body portion 13 from below, The frame body part 13 can be sandwiched between the bottom part 27 of the skirting board main body 16 and the lower plate part 33 of the reinforcing bracket 17 that are in contact with each other from above the upper horizontal plane part 23 of the frame body part 13.
In addition, when using the base board body of a wooden board or a plastic board, the through-hole of the up-down direction in which the vertical rod part 41 of the L-shaped volt | bolt 38 is inserted can be provided in a base board body, Reinforcing metal fittings 17 are attached to the front portion of each of them by a screw mechanism.

When the temporary scaffolding baseboard device 10 is attached to the scaffolding member 15, first, the distance between the bottom 27 of the baseboard body 16 and the horizontal bar portion 42 of the L-shaped bolt 38 is the distance between the side portion 25 of the frame portion 13. The vertical position of the L-shaped bolt 38 is adjusted by the wing nut 39 so as to be wider than the height, and further, the tip of the horizontal bar portion 42 is disposed on the rear side (so as to move away from the latch hook 18 in plan view). The L-shaped bolt 38 is rotated about the axis of the vertical bar 41 as shown in FIG.
Next, the hook 18 is inserted into the opening 14 of the expanded metal 20 and hooked to the cross member 22, and the lower part of the vertical bar 41 of the L-shaped bolt 38 is connected to the side 25 of the frame body 13. At the same time, the bottom 27 of the baseboard body 16 and the lower plate portion 33 of the reinforcing bracket 17 are brought into contact with the upper horizontal surface portion 23 of the frame portion 13.
Then, after turning the L-shaped bolt 38 so that the front end portion of the horizontal bar portion 42 is disposed on the front side (center side of the expanded metal 20), the vertical position of the L-shaped bolt 38 is adjusted by the wing nut 39. Then, the horizontal bar portion 42 is brought into pressure contact with the sewage flat surface portion 24 of the frame body portion 13 so as to sandwich the frame body portion 13 from above and below, and the attachment of the temporary scaffolding baseboard device 10 to the scaffold member 15 is completed. To do.

As shown in FIGS. 4, 7, and 8, on the back side of the front plate portion 28 of the baseboard body 16, an example of a spring material that presses the vertical bar portion 41 of the L-shaped bolt 38 backward from the front side. A certain leaf spring material 43 is attached. The leaf spring material 43 constitutes an anti-rotation mechanism (free rotation prevention member) that restricts the L-shaped bolt 38 from freely rotating with respect to the skirting board body 16 about the axis of the vertical bar portion 41. The cross section is formed in a substantially “<” shape so that both end portions are in close contact with the back side of the front plate portion 28 and the vertical bar portion 41 is pressed at the center portion by a repulsive force. The rotational force of the L-shaped bolt 38 is limited by the frictional force when pressed.
In addition, the intermediate part of the baseboard main body 16 omitted in the drawing is an area of 280 mm in the longitudinal direction in FIG. 1, and is an area of 350 mm in the longitudinal direction in FIGS. 3 to 6 and 8. .

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all changes in conditions and the like that do not depart from the gist are within the scope of the present invention.
For example, the frame body part may be provided only on both sides in the width direction of the scaffold member, and in this case, the hook fittings that are hooked on the horizontal member can be continuously provided on the frame body part.
Further, the portion other than the region where the wing nut of the L-shaped bolt is screwed and the hooking hook may be a bar having a polygonal cross section, for example, a square or a rectangle. The stop mechanism can be formed by a through-hole having the same shape as the cross section of the L-shaped bolt provided in the ceiling and bottom of the skirting board main body and the upper plate of the reinforcing bracket instead of the leaf spring material. Furthermore, the vertical bar part of the L-shaped bolt is in the state that the horizontal bar part is expanded metal while the hook is hooked to the opening part of the expanded metal when the baseboard device for temporary scaffolding is attached to the scaffold member. It is formed in a length that can be arranged with a sufficient gap in the sewage flat surface portion.

10: Temporary scaffolding baseboard device 11, 12: Pipe material, 13, 13a, 13b, 13c: Frame part, 14: Opening part, 15: Scaffolding member, 16: Baseboard body, 17: Reinforcing bracket, 18 : Latch hook, 19: baseboard fixing means, 20: expanded metal, 21: hook metal fitting, 22: crossing material, 22a: reinforcing bar, 22b: frame, 23: upper horizontal plane, 24: lower horizontal plane 25: side part, 26: ceiling part, 27: bottom part, 28: front plate part, 29: screw mechanism, 32: upper plate part, 33: lower plate part, 35: vertical bar part, 36: horizontal bar part, 38: L-shaped bolt, 39: Wing nut, 41: Vertical bar, 42: Horizontal bar, 43: Leaf spring material

Claims (6)

Temporary scaffolding baseboard attached to a long scaffold member attached between horizontal members arranged at a predetermined interval, having frame portions on at least both sides in the width direction, and having an opening in the upper stepping region. A device,
A skirting board main body used by being erected at one end in the width direction of the scaffold member;
It is attached to the skirting board main body through a reinforcing metal fitting protruding from the bottom of the skirting board main body toward the center side of the scaffold member, inserted into the opening of the scaffold member, and hooked to the scaffold member. A plurality of hooks bent in an L-shape;
A baseboard device for temporary scaffolding, comprising: baseboard body fixing means for clamping and fixing the baseboard body in a standing state by sandwiching a frame portion of the scaffold member. The temporary scaffolding baseboard device according to claim 1, wherein the baseboard body is bent in one direction on both sides in the width direction of the long wide iron plate, and further bent inward on the tip side in a lip groove shape. A baseboard device for a temporary scaffold characterized by the above. The temporary scaffolding baseboard device according to claim 1 or 2, wherein the reinforcing metal fitting is fixed to a front plate portion of the baseboard body, and a lower portion of the scaffold member is at the same height as a bottom portion of the baseboard body. A baseboard device for a temporary scaffold, wherein a lower plate portion is formed which is bent toward a central portion and to which an upper end of the hook is fixed. The temporary baseboard baseboard device according to claim 3, wherein the baseboard main body fixing means is formed by bending a tip portion and is hooked to one end portion of the scaffold member; A nut that is screwed to the base of the L-shaped bolt, and the upper portion of the reinforcing bracket is bent along the ceiling of the baseboard body, and a through-hole through which the L-shaped bolt is inserted is formed. A baseboard device for a temporary scaffold characterized by the above. 5. The temporary scaffolding baseboard device according to claim 4, further comprising a detent mechanism that restricts rotation of the L-shaped bolt with respect to the baseboard main body. 6. The temporary scaffolding baseboard device according to claim 5, wherein the detent mechanism is configured to include a spring material attached to the baseboard body and pressing the L-shaped bolt from one side. A baseboard device for a temporary scaffold characterized.

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