JPH0649755Y2 - H-shaped frame handrail frame for scaffolding gable surface - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a handrail frame used for a frame scaffolding gable surface such as an H-shape used in construction and construction sites. It is intended to prevent people from accidentally crashing.

[Prior Art] Conventionally, as a handrail for frame scaffold gable surface such as this type H shape, it has been conventionally used for assembling an assembly scaffold frame between building sites at a height of about 800 to 100 mm from the upper surface of the cloth plate. Method of fixing a metal pipe using a flexible clamp, orthogonal clamp, etc., or attaching a clamp mechanism to both ends of the metal pipe in advance,
There is a method of operating the clamp mechanism to fix it between buildings, and a method of hooking a metal pipe with hooking metal fittings, which are manufactured to have predetermined lengths at both ends in advance, on a horizontal member of a building frame as a handrail. However, in the case of using the clamp mechanism, not only is the installation operation troublesome, but the protrusion of the member may be caught by the worker, and the clamp is not vertically tightened and is unstable. . On the other hand, when the hooking device is used, the mounting operation is easy and easy, but there is a risk that it may come off and drop due to a slight external force.

[Problems to be solved by the device]

As described in the prior art, the present invention replaces the conventional product, which has problems such as laborious attachment / detachment and poor safety, and the present invention is easy to handle and has high stability and safety. Another object of the present invention is to provide a handrail frame for a framed scaffolding gable surface having an H-shape or the like, which is excellent and easy to manufacture.

[Means for Solving the Problems]

The present invention that achieves the above-mentioned object is a handrail frame 1 to be mounted between a building above a horizontal land of a building frame forming an H shape with a horizontal land that is parallel to each other and a horizontal land that connects the central portions thereof. Between the vertical ends of the vertical timber 3 extending horizontally from the upper end of the vertical lumber to the other building, and between the lower end of the vertical lumber and the extended end of the horizontal lumber. And a diagonal member 4 which connects the vertical member 3 and the horizontal member 2 to each other and forms a substantially right-angled triangular frame. Groove-shaped mounting brackets (6, 6) that fit these corners around the inner half of the building surface facing each other and fix the movement of the handrail frame in the front-rear and left-right directions.
17,26) is provided, and in the corner portion C formed by the vertical member 3 and the diagonal member 4,
Fixing metal fitting 8 having a circular through hole that fits in the gravity lock 7 of the building and fixes the vertical movement of the handrail frame.
The gist is the "H-shaped framed scaffold gabled handrail frame".

In this case, the corner A formed by the vertical member 3 and the horizontal member 2 and the horizontal member 2
At the corner portion B formed by the slant member 4 and the diagonal member 4, the above-mentioned mounting brackets (6, 17, 2
Instead of 6), these corners are fitted to the gravity lock 7 protruding from the building where they face each other, and
Groove-type mounting brackets (6 ', 16) that fix the movement in the left and right
May be provided.

[Action]

Since the handrail frame having the above-mentioned configuration is formed in a substantially right triangle shape, not only as a handrail,
It has the same high rigidity as a brace.

Also, the H-shaped building frame can be attached by a simple fitting operation with the building site or the gravity lock of the building site, and the movement of the handrail frame in the front-rear, left-right, and up-down directions can be reliably fixed.

〔Example〕

An embodiment of the present invention will be described with reference to the accompanying drawings.

In the front view of FIG. 1, the handrail frame 1 has an apex angle bent in a right angle in an arc shape at a substantially central portion of a pipe rod member having a predetermined length, and one side end is also bent in an arc shape. To form a horizontal member 2 and the other side to a vertical member 3 to form an L-shaped member. A diagonal member 4 is fixed between the ends of the horizontal member 2 and the vertical member 3 by welding or the like to form a substantially equilateral triangle handrail. The frame 1 is formed. At the portion A where the horizontal member 2 and the vertical member 3 are bent in an arc shape, and at the tip arc-shaped bent end B portion of the horizontal member 2, mounting brackets 6, 6 are bolted, pinned, or welded outward, respectively. A fixing metal fitting 8 fitted to a gravity lock 7 protruding from the building 5 is fixed to the C portion at the lower end of the vertical member 3 by welding or the like. In the figure, reference numeral 9 is a horizontal member of the frame scaffold gable surface, the frame scaffold uses an H-shaped frame scaffold, and only the attachment state with the handrail frame 1 is shown.

FIG. 2 shows the details of the mounting brackets 6, 6 on the A and B parts of the handrail frame 1. FIG. 2 shows the mounting bracket on the B part side, (a) is a plan view, (b) is a front view, (c) is a right side view, and the mounting bracket 6 is fixed to the handrail frame 1 One end of each of two strip-shaped plate members 6a, 6a having a length required to hold 5 is symmetrically fixed to the outer surface of the arc portion of the cross member 2 of the handrail frame 1
Is projected to the side, the tip portion corresponding to Kenchi 5 clamping portion, an inclined surface 6a ₁ extending outwardly truncated reverse V shape, formed in the plane portion 6a ₂ continuously to the tip of the inclined surface 6a ₁ The handrail 1 has a shape capable of holding the outer circumference of the building 5, and the corners of the base end and the tip of the flat surface 6a ₂ fixed to the arc of the cross member 2 of the handrail 1 are notched. Between the lower surfaces of the plate members 6a, 6a, a plate member 6b provided with a notched elongated hole facing the end face on the building side is stretched, excluding the horizontal member 2 abutting portion and the building 5 sandwiching portion, and the two members The plate members 6a and 6a are prevented from expanding. The notched long hole of the plate member 6b stretched on the lower surface is for preventing the tip of the plate member 6b from coming into contact with the arm lock between the upper and lower buildings. As a matter of course, this mounting bracket 6 is also symmetrically mounted on the A section side.

FIG. 3 shows details of the fixed metal 8 at the lower end C portion of the vertical member 3 of the handrail frame 1. 3 (a) is a front view and FIG. 3 (b) is a plan view. The strip-shaped plate material is provided with semi-circular arc-shaped notches that are fixed to the outer surface of the longitudinal member 3 at both ends of the short side, and is U-shaped. form songs, drilled the hole the web 8a gravure Tay lock 7 projecting from the Kenchi on _one side is inserted, the flange 8 of the U-shaped bracket
The semi-circular cutouts at the ends of a and 8a are welded and fixed to the vertical member 3 of the handrail frame 1, and by inserting the gravity lock 7 into the fixing metal fitting 8, the handrail frame 1 is divided into parts A and B. It is securely attached to the gable surface of the frame scaffold by cooperation with the mounting brackets 6, 6.

The one shown in FIG. 4 is formed only in a narrow width, and the constitution of the mounting metal fittings and the fixing metal fittings is shown in FIG. 1, FIG. 2, and FIG.
It is the same as the configuration of 6 and 8.

Further, the plan view of FIG. 5 (a), the front view of (b), and the right side view of (c) are other examples of the mounting brackets at the A and B portions of the handrail frame 1 of FIG. The handrail frame has almost the same shape as the handrail frames 1 and 1a shown in Figs. 1 and 4, except that the arcuate end of the B portion of the cross member 1 is slightly extended vertically. The fittings to be attached to the lower part of the arc portion corresponding to the section B and the section B, which is the fitting on the side B (FIG. 1). The mounting bracket 6'is provided with an arcuate upper cutout in the longitudinal central portion of the strip-shaped plate material, and an arcuate surface 6b 'is formed on the plate surface provided with the arcuate cutout.
Is formed and is bent in the longitudinal direction in a space allowing the gravity lock 7 to be fitted therein, and both flanges 6a 'have their open ends facing downward. It is welded to the lower part of the side arc part and welded and fixed to the outer surface of the B side arc end part. It is also symmetrically attached to the A part side of the horizontal member 2 and has a gravity lock from the opening of the mounting bracket 6 '. Fit in 7 and mount in a clamped state. Fig. 5 (b),
Reference numeral 6c 'appearing in (c) is a notch in the outer corner of the lower end of the mounting bracket to ensure safety during handling. The fixing metal fitting 8 used for the lower end C portion (FIG. 1) of the vertical member of the handrail frame using this mounting metal fitting 6'is the same as that shown in FIG. 3 related to FIG. Since the gravity lock 7 that is provided in a protruding manner is effectively used, the dimensions of the handrail frame are naturally designed in consideration of the distance between the gravity locks 7.

Next, another embodiment of FIG. 6 is shown, which is basically the first embodiment.
It is similar to that shown in the figure (including FIG. 4), but the shape of the handrail frame 1 and the mounting brackets 6 of the A part and the B part are changed.

The handrail frame 11 is an L-shaped member that bends a pipe rod material having a predetermined length in a right angle shape having an arc to form a cross member 2 and a building material 3.
The diagonal members 4 are welded and fixed to the inner ends of the horizontal members 2 and the vertical members 3, and the fittings 1 for the A and B parts of the handrail frame 11 are attached.
Details of 6,17 are shown in FIG. FIG. 7 (a) is a plan view of the mounting bracket 16 in the A section, and (b) is a front view of the mounting bracket 16. The mounting bracket 16 in the A section effectively utilizes the gravity lock 7 projecting from the building site 5. A strip-shaped plate material is bent in a U-shape at a position closer to the lower part of the bent arc portion of the horizontal member 2 and the vertical member 3, and a circle along the outer surface of the handrail vertical member 3 at the tip edge of the opposing flange 16b. An arc-shaped notch is provided, and a notch slot 16c is formed in the gravity lock 7 from approximately the central portion of the upper side flange 16b to approximately the central portion of the web 16a. It is configured such that the gravity lock 7 is fitted into the 16c and is pushed up along the building site 5 from below, and the mounting bracket 17 at the B portion is a plan view of FIG. As shown in the side view of D), the strip-shaped plate members are opposed to each other and are bent so as to have a space for fitting and sandwiching the building site 5. That the flange 17b at the clamping portion of Kenchi 5 to the flange 17b tip clearance portion passes refers caul plate 17c between 17b upper surface adhered, and lacks flanges 17b, and 17b front end corner cut. The U-shaped member is fixed to the tip of the cross member 2 of the handrail frame 11 at the center of the outer surface of the web 17a. This railing frame
The fixing metal fitting 8 attached to the lower end C portion of the vertical member 3 of 11 is shown in FIG.
It has the same structure as that shown in FIG.

To attach the handrail frame 11 to the frame scaffold gable surface, lift the B part side of the handrail frame 11 obliquely upward, and the A part side to the notch long hole 16c of the mounting bracket 16 in the building 5 Gravity lock 7 (upper) is pushed up to the building side while inserting the tip side of the building lock, and then the B part side is lowered along the building 5 from above to fit and clamp. The fixing member 8 at the lower part of the vertical member 3 is fitted and fixed to the gravity lock 7 below.

The handrail frame 11 may have a narrow structure as illustrated in FIG. 4 for the narrow framed scaffolding gable surface with the same structure as in FIGS. 6 and 7.

Still another embodiment will be described with reference to FIGS. 8 and 9.

A horizontal bar 2 is a tube rod having a constant length, and a vertical bar 3 having a predetermined length is connected to the inside of one end of the horizontal bar 2 at a substantially right angle to form an L-shaped member. The slant members 4 are fixed to the front ends of the members 2 and the lower ends of the vertical members 3, respectively, toward the inner side of the baffles to form a handrail frame 21 having a substantially right triangle shape.
Part and B part are attached to the building site 5 with the fittings 26, 26, respectively, and fixedly held by the fixing metal 8 on the lower end side C part of the vertical member 3.

FIG. 9 shows details (mounting section A side) of the mounting brackets 26, 26 for the cross member 2 and the building 5. 9 (a) is a plan view and FIG. 9 (b) is a front view. Each corner of the strip-shaped plate is notched in an arc shape to eliminate a catch, and the building site 5 is formed on both end surfaces of the plate. It is bent in a U shape with a gap that can be held, the outer surface of the web 26b is joined to the end surface of the cross member 2 of the handrail frame 21, and between the inner surfaces of the upper ends of the flanges 26a, 26a, the side surface of the building 5 on the tip side. An arcuate notch is provided along with a base-side corner notch and a substantially V-shaped metal plate 26c is stretched and fixed. The open end of the mounting bracket 26 is fitted to the building site 5. It is configured to be held together. The other side B portion of the horizontal member 2 is also symmetrically configured in the same manner, and the fixing metal fitting 8 on the lower end side C portion of the vertical member 3 is the same as that shown in FIGS. 1 and 3.

It should be noted that the one used for the gable surface of the narrow frame scaffold is of course the same as that described above.

[Effect of device]

Since the present invention is configured as described above, the configuration is simple and easy to manufacture, and as the H-shaped framed scaffold gable surface handrail frame, any of the handrail frames shown in the respective embodiments is conventionally used. Compared to those in technology, it is easy to install and remove, it can be securely attached, and there is no danger that an operator working on the cloth plate of the frame scaffold will accidentally fall from the gable surface, and it is excellent in safety It has the effect of providing a handrail frame, which greatly contributes to the safety of work in high places.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of an H-shaped framed scaffold gabled handrail frame according to the present invention, FIG. 2 shows a B-part side mounting metal fitting of FIG. 1, and (a) is a plan view. , (B) is a front view,
(C) is a right side view, FIG. 3 shows the C part fixing metal fitting of FIG. 1, (a) is a front view, (b) is a plan view, and FIG. 4 is similar to the handrail frame shown in FIG. Fig. 5 is a front view showing a handrail frame having a shape, Fig. 5 shows a mounting bracket used for a handrail frame having a shape similar to that of the handrail frame shown in Fig. 1, (a) is a plan view, (b) is a front view, (c). Is a right side view, FIG. 6 is a front view of a handrail frame according to another embodiment, FIG. 7 is a mounting bracket of the handrail frame of FIG. 6, and (a) and (b) are parts A of FIG. Side, (a) is a plan view, (b) is a front view, (c), (d) is a FIG. 6 part B side, (c) is a plan view, (d) is a front view, FIG. Is a front view of a handrail frame showing still another embodiment, and FIG. 9 is FIG. 8A.
The part side fitting is shown, (a) is a plan view and (b) is a front view. In the drawing, 1,1a, 11,21: Handrail frame, 2: Horizontal material, 3: Vertical material, 4: Oblique material, 5: Building area, 6,6'16,17,26: Mounting bracket, 7: Gravure Taylok, 8: Fixing bracket.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Microfilm (JP, U), which is a photograph of the contents of the specifications and drawings attached to the application for Japanese Patent Application No. Sho 60-132743 (No. Sho 62-40141). A microfilm (JP, U) of the contents and drawings attached to the application for Japanese Utility Model Application No. 57-198377 (No. 59-98047).

Claims (2)

[Scope of utility model registration request] 1. A handrail frame (1) to be installed between a building above a horizontal land of an H-shaped building frame composed of left and right parallel building grounds and a horizontal land connecting the central portions thereof, wherein one building land Of the length of the important point along the vertical timber (3), the horizontal timber (2) horizontally extended from the upper end of the vertical timber toward the other building, and the lower end of the vertical lumber and the extended end of the horizontal timber. A diagonal member (4) connecting between the two forms a substantially right-angled triangular frame, and a corner portion (A) formed by the vertical member (3) and a horizontal member (2) and a horizontal member (2) and a diagonal member. The corner (B) formed by the material (4) is fitted with a groove-shaped groove that fixes the movement of the handrail frame in the front-rear and left-right directions by fitting to the inner half surface of the building where these corners face each other. Mounting brackets (6, 17, 26) are provided, and the handrail frame is fitted to the corner (C) formed by the vertical member (3) and the diagonal member (4) by fitting to the gravity lock (7) of the building. A circular through hole that fixes the vertical movement of the Metal fittings (8)
H-shaped frame railing for scaffolding gable surface. 2. The corner portion (A) formed by the vertical member (3) and the horizontal member (2) and the corner portion (B) formed by the horizontal member (2) and the diagonal member (4) have these corners. Groove-shaped fittings (6 ', 1) that fit in a gravity lock (7) protruding from the building where the parts face each other and fix the movement of the handrail frame in the front-back and left-right directions.
The handrail frame for an H-shaped framed scaffold gable surface according to claim 1, which is provided with 6).