JP4711751B2 - Handrail frame for frame scaffolding - Google Patents

Description

  The present invention relates to a frame scaffolding handrail that is attached to a frame scaffolding that is installed along an outer wall of a building in a construction site such as civil engineering or construction, and more particularly to a frame scaffolding handrail frame that is attached to a passage end portion of the frame scaffolding.

  Conventionally, in a frame scaffold constructed by assembling a plurality of building frames, scaffolding plates, and the like, handrail frames in which steel pipes are formed in a frame shape are attached to both sides of the passage to prevent the operator from falling. In addition, skirting boards are attached to the lower ends of both sides of the passage of the frame scaffold to prevent the operator from falling down and the work tools and the like from falling.

  On the other hand, there exists what integrated the baseboard by attaching a baseboard to the lower end part of the above-mentioned handrail frame (patent document 1). With this handrail frame, it is possible to install a handrail frame at the same time simply by installing the handrail frame. Therefore, it is possible to efficiently and easily install the handrail frame and the baseboard, which have been separately installed conventionally. it can.

By the way, similarly, there is a danger that the operator falls or the work tool falls at the end of the passage of the framework scaffold. Therefore, if a handrail frame as in Patent Document 1 is also installed at this location, it is considered that work safety can be secured in the same manner.
JP-A-52-14034

  However, the handrail frame of Patent Document 1 is premised on being attached to the side of the passage of the frame scaffold, and is not assumed to be attached to the end of the passage. Even if it is changed to the building frame width and attached to the end of the passage, it does not fill the slight gap that exists between the end of the scaffolding plate and the horizontal frame of the building frame, and work tools etc. from the gap Unsafe such as falling is also expected.

  This invention makes it a subject to provide the handrail frame for frame scaffolds with high work safety installed in the channel | path terminal part of a frame scaffold in view of said point.

In order to solve the above problems, the frame scaffolding handrail frame of the present invention is a frame scaffolding handrail frame installed at the end of the passage of the frame scaffolding that is constructed by arranging a desired number of building frames in the upward and horizontal directions. The handrail frame is provided with fixing clamps that are fixed to the pedestals on both sides of the building frame, the lower end portion of the handrail frame is provided with a skirting board having a substantially building frame width, and a scaffolding is provided at the lower edge of the baseboard. A locking piece having a substantially L-shaped cross-section to be locked to the upper edge corner of the plate end is tilted in a direction away from the scaffolding plate at the upper part of the handrail frame to the pedestal of the building frame by the fixed clamp. When fixed, one side of the substantially L-shaped cross section is in contact with the horizontal surface of the upper edge corner of the scaffold plate, and the other side is attached so as to contact the side surface of the upper edge corner of the scaffold plate . .

A handrail frame for a frame scaffold according to the present invention is a handrail frame for a frame scaffold installed at a passage end portion of a frame scaffold that is assembled by arranging a desired number of building frames in an upward direction and a horizontal direction, on both sides of the handrail frame. Is equipped with fixed clamps that are fixed to the respective pedestals on both sides of the building frame, the lower end of the handrail frame is provided with a baseboard having a substantially building frame width, and the lower edge of the baseboard is the upper edge corner of the end of the scaffolding plate. When the locking piece having a substantially L-shaped cross section to be locked is fixed to the pedestal of the building frame with the fixing clamp in a state where the upper part of the handrail frame is tilted away from the scaffolding plate, the substantially L-shaped cross section Since one side of the shape is in contact with the horizontal surface of the upper edge corner of the scaffolding plate and the other side is in contact with the side surface of the upper edge corner of the scaffolding plate, the cross-section of the lower edge of the baseboard of the handrail frame is approximately L If a handrail frame is attached by locking the U-shaped locking piece to the upper edge corner of the edge of the scaffolding board, the baseboard is attached to the edge of the scaffolding board. Close contact with no gaps scaffolding plate end side, you are possible to secure a high operational safety without also dropping the like tool.

  According to the handrail frame for the frame scaffolding according to the present invention, the both sides of the handrail frame having a substantially building frame width are each provided with a fixing clamp for fixing to each pedestal on both sides of the building frame, and substantially at the lower end portion of the handrail frame. Secure the baseboard of the building frame width. Furthermore, the lower end edge of the base board is provided with a locking piece having a substantially L-shaped cross section that is locked to the upper edge corner of the end portion of the scaffold plate.

  Then, when installing the handrail frame for the frame scaffolding at the end of the passage of the frame scaffolding constructed by arranging a desired number of building frames and scaffolding plates in the upward and horizontal directions, first, the lower end of the handrail frame A locking piece having a substantially L-shaped cross section provided at the lower edge of the base plate is locked to the upper edge corner of the end portion of the scaffold plate. At this time, although there is a slight gap between the end part of the scaffolding board and the horizontal member of the building frame, since the baseboard is directly placed on the end part of the scaffolding board, There is no gap.

  Next, the clamps provided on both sides of the handrail frame are fixed to the pedestal while the handrail frame is slightly tilted toward the pedestal side of the building frame with the locking piece as a fulcrum, and the installation of the handrail frame is completed. At this time, the lower end of the handrail frame is only locked to the end of the scaffolding plate with a locking piece, but the upper side of the handrail frame is tilted away from the scaffolding plate with a fixed clamp. By being fixed to the pedestal, the locking piece and the scaffold plate end are firmly locked so as to be pressed down, and will not come off even if a slight impact is applied.

  In this way, it is possible to install a handrail frame with a baseboard with a very simple attachment work to the end of the passage of the frame scaffold, and when the installation is completed, the baseboard is arranged without a gap on the end side of the scaffolding board, which is high. Work safety can be ensured.

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

  In the figure, A is a frame scaffold installed at a construction site or the like, and a plurality of substantially H-shaped building frames B are erected in parallel at predetermined intervals, and braces E between the pillars C of the building frame B In addition, a scaffold plate F serving as a passage is installed between the horizontal members D of the building frame B to form a set of frame scaffolds A, and a desired number of them are connected vertically and horizontally. In this embodiment, the building frame B having a substantially H shape is used. However, the present invention is not particularly limited to this, and for example, a generally used torii shape may be used.

  A handrail frame 1 for a frame scaffold is installed at the opening of the end of the passage of the frame scaffold A to prevent the operator from falling down and the work tools and the like from falling. The handrail frame 1 is bent and welded to a plurality of steel pipes to form a frame shape having a width size of the building frame B and a height size from the horizontal member D to the top of the pedestal C. It is formed and has a size that just fits in the opening.

  On both sides of the handrail frame 1, there are provided fixing clamps 2 for fixing to the respective pillars C on both sides of the building frame B. The fixed clamp 2 includes a holding portion 2a having a substantially U-shaped cross section having a predetermined length for holding each pedestal C on both sides of the building frame B, and a fastening bolt 2b. The holding portion 2a and the pedestal C are fixed and released according to the tightening and loosening operation of the bolt 2b. As shown in FIGS. 2 and 4, the holding portion 2 a of the fixed clamp 2 is fixed in a slightly inclined state with respect to the longitudinal direction of the handrail frame 1, and the handrail frame 1 is attached to the building frame B. The holding part 2a is engaged with the leg pillar C of the building frame B when it is fixed in a tilted state.

  In order to prevent the operator from stepping down and dropping down or dropping work tools or the like at the lower end of the handrail frame 1, a baseboard 3 having a width size of the building frame B is integrally formed. It is stuck to. Further, as shown in FIG. 3, the lower edge of the base board 3 is provided with a locking piece 4 having a substantially L-shaped cross section that is locked to the upper edge corner portion Fa of the scaffold plate F. It is set as the structure by which the base board 3 is arrange | positioned at the scaffold board F edge part. At this time, as shown in FIGS. 2 and 3, although there is originally a slight gap between the end portion of the scaffold plate F and the horizontal member D of the building frame B, the baseboard is formed on the upper surface of the end portion of the scaffold plate F. Since 3 is placed directly, there is no gap in work at the end of the scaffolding plate F.

  As shown in FIG. 3, the locking piece 4 is also fixed while being slightly inclined with respect to the longitudinal direction of the handrail frame 1, and the handrail frame 1 is tilted with respect to the building frame B. When fixed, the inner surface of the substantially L-shaped locking piece 4 can be reliably locked to the upper edge corner portion Fa of the scaffold plate F.

  Thus, when the frame scaffolding handrail frame 1 is installed at the opening of the end of the passage of the frame scaffold A, first, the locking piece 4 provided on the lower edge of the baseboard 3 of the handrail frame 1 is attached to the end of the scaffold plate F. The skirting board 3 of the handrail frame 1 is disposed at the end portion of the scaffolding plate F. Next, while the handrail frame 1 is tilted to the pedestal C side of the building frame B with the locking piece 4 as a fulcrum, the fixing clamps 2 on both sides of the handrail frame 1 are fixed to the pedestal C, and the opening of the handrail frame 1 is opened. Complete the installation work.

  At this time, the handrail frame 1 merely locks the locking piece 4 at the lower end of the handrail frame 1 to the upper edge corner portion Fa of the scaffold plate F, but the direction in which the upper side of the handrail frame 1 is moved away from the scaffold plate F. Since it is fixed to the pedestal C with the fixed clamp 2 in a state of being tilted to the right, the locking piece 4 and the end of the scaffolding plate F are firmly locked in a pressed state. Even if a slight impact is applied to the handrail frame 1, it does not fall off.

  In this way, the handrail frame 1 can be quickly installed by a very simple attachment work to the end of the passage of the frame scaffold A, and the baseboard 3 of the handrail frame 1 is placed on the end of the scaffolding plate F when the installation is completed. Therefore, it is possible to prevent dangerous gaps in work and prevent the operator from falling down during work or dropping work tools and the like, and high work safety can be ensured.

It is a front view which shows the state which attached the handrail frame for frame scaffolds which concerns on this invention to the channel | path terminal part of the frame scaffold. It is a side view of FIG. FIG. 3 is an enlarged view of a main part in which a part of FIG. 2 is cut away. It is another principal part enlarged view of FIG. It is a perspective view which shows the state which attached the handrail frame for frame scaffolds which concerns on this invention to the channel | path terminal part of the frame scaffold.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Handrail frame 2 ... Fixed clamp 3 ... Skirting board 4 ... Locking piece A ... Frame frame scaffold B ... Building frame C ... Leg pillar D ... Horizontal member E ... Bracing F ... Scaffold board

Claims (1)

A frame scaffolding handrail frame that is installed at the end of a passage of a frame scaffolding that is assembled by arranging a desired number of building frames in the upward and horizontal directions, and is fixed to each pedestal on both sides of the building frame on both sides of the handrail frame. In addition to having a fixed clamp, the lower end portion of the handrail frame is provided with a baseboard having a substantially building frame width, and the lower end edge of the baseboard has a substantially L-shaped cross section to be engaged with the upper edge corner of the end portion of the scaffolding plate. When the stopper is fixed to the pedestal of the building frame with the fixing clamp in a state where the upper part of the handrail frame is tilted away from the scaffold plate, one side of the substantially L-shaped cross section is the upper edge corner of the scaffold plate A frame scaffolding handrail frame, which is attached so as to abut against a horizontal surface of the scaffolding plate, and the other side abuts against the side surface of the upper edge corner of the scaffold plate .

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