JP7424694B1 - temporary stage - Google Patents

Abstract

[Problem] A temporary assembly stage that uses next-generation scaffolding supports, which are wedge-type scaffolding, as supports, which can be assembled without using jacks, pullers, or joists, and which can be assembled on top of stage members. To provide a temporary stage that is flat without protrusions such as plates or bolts, and does not interfere with the running of trolleys. [Solution] This is a temporary assembly stage that uses a next-generation scaffolding support, which is a wedge-type scaffold, as a support 1, in which a jack hardware 19 with a support flange 18 formed at the upper end and a metal plate are affixed to a framework made of a frame. The jack hardware 19 is attached to the upper end of the support 1, and the rectangular stage member 12 is placed on the support flange 18 of the jack hardware 19 with the corners of the rectangular stage member 12 densely packed. The lower side of the peripheral frame was bolted to the bearing flange 18. [Selection diagram] Figure 1

Description

The present invention relates to a temporary stage used as a work stage at a construction site or the like.

In recent years, wedge-type scaffolding is often used. Although this scaffolding is not shown, socket metal fittings (or flanges) are erected vertically at regular intervals between pillars, and the socket metal fittings of the two pillars lined up in front and back are suspended from both ends of the horizontal beam. A wedge-shaped insert metal fitting is inserted from above, thereby connecting both posts and the horizontal crosspiece, and hooks provided at the left and right ends of the tread are attached to the two horizontal crosspieces that are adjacent to each other on the left and right. is latched, thereby securing the treads to both horizontal beams.

A temporary stage using such a scaffold is also shown in the following patent documents.
Patent No. 2999958 Patent No. 6847616

Figures 17 to 19 show an example of a temporary stage using a wedge-type scaffold , and 1 in the figure is a scaffold support for the wedge-type scaffold, with an insertion hole for fastening formed as described above. Flanges 1a are provided at predetermined intervals in the vertical direction.

2 in the figure is a combination of handrails and braces called a leading handrail, and these handrails and braces 2 are erected in two rows in the front and back with intervals, and with intervals in the left and right direction for each row. Hang it between two pillars and secure it with a wedge-shaped insert or hook.

A large pull jack 3 (jack hardware) with a U-shaped large support hardware 4 attached is inserted and installed at the upper end of the pillar 1, a large pull jack 5 is passed to the large support hardware 4 of this large pull jack 3, and a joist is placed on top of it. 6 are laid down, and scaffolding boards 7 are arranged on top of the joists 6 to form a stage.

In this way, the conventional temporary stage structure uses a large pulling jack 3 to install a scaffolding board 7 via a large pulling jack 3 and a large joist 6, which is cumbersome to assemble, limits the load, and is heavy. Items could not be brought in.

Further, when a handrail is provided on the outer periphery, it is necessary to assemble the handrail with special members or construct it using a single tube and clamp, which also requires time and effort.

It should be noted that there is a way to assemble without using the above-mentioned pulling jack 3, pulling jack 5, and joists 6, but as shown in FIG. Become. A gap and a step are created in the hook 7a of the scaffold board 7.

Furthermore, as a method of assembling without using the above-mentioned large pulling jack 3, large pulling 5, and joists 6, a supporting flange for supporting the scaffold is formed on the pillar 1 as shown in FIGS. 21 to 23, and this is used as a strength member. A scaffolding board with a support frame (a configuration that supports a rectangular stage member is also considered. It's not a thing.

The support flange 8 is a horizontal rectangular flange provided on a jack metal fitting 9 to be inserted into the support column 1, and an angle 11 and a nut 10 are attached to the corners thereof.

The scaffold board is a rectangular stage member 12, and a rectangular metal plate body 13 is framed by a frame member 14 made of a hollow pipe.

Elongated holes 15 are formed in the corners of the metal plate body 13, and after the corner portions are placed on the support flange 8, the gathering portions of the corner portions of the scaffolding board 7 are pressed down from above with the holding plate 16, and fixed. The bolt 17 is screwed into the nut 10 through the long hole 16a of the holding plate 16 and the long hole 15 of the metal plate body 13.

In the rectangular stage member 12, a gap is created between the ends of the frame member 14 at the corner portion where the corners gather, and the presser plate 16 also serves as a closing plate to close this gap.

The jack hardware 9 for the handrail stand has a pin socket protruding from the center of the support flange 8 for inserting the coupling pin of the handrail support 1'. Although not shown, the corresponding support plate 16 has a hole formed in the center through which a pin socket is inserted.

In this structure of fixing the rectangular stage member 12 with the holding plate 16, the thickness of the holding plate 16 and the head of the fixing bolt protrude from the floor surface, which has the disadvantage of hindering the running of the cart and causing workers to stumble.

The object of the present invention is to solve the above-mentioned disadvantages of the conventional example, and to provide a temporary assembly stage using scaffolding supports of wedge-type scaffolding as supports, which can be assembled without using jacks, pullers, or joists. In addition, to provide a temporary stage which does not cause the risk of tripping and does not interfere with the running of a cart since the upper surface of the stage member can be made flat without any protrusions such as plates or bolts.

In order to achieve the above object, the present invention as set forth in claim 1 provides a temporary assembly structure using scaffolding supports in which flanges formed with insertion holes for fastening wedge-type scaffolding are provided at predetermined intervals in the vertical direction as stage supports. The stage is made up of a jack hardware with a support flange formed at its upper end and a rectangular stage member in which a metal plate is attached to a metal frame. The gist is that a rectangular stage member is placed on the flange with its corners closely packed, and the lower side of the peripheral frame of the metal frame of the rectangular stage member is bolted to the support flange.

According to the invention as set forth in claim 1, the rectangular stage member is a metal plate attached to a metal frame, and the metal frame of the rectangular stage member acts as a strength member and a support member. Therefore, there is no need to use daihiki or joists. Further, by abutting the peripheral frame corner portions of the metal frame framework, which are the corner corners of the rectangular stage member, no gaps are generated at the corner corners of the rectangular stage member.

Furthermore, since the supporting flange of the jack hardware is bolted to the lower side of the surrounding frame of the metal frame of this rectangular stage member, the fixed part does not protrude above and the upper surface is flat with no protruding parts. Become.

The present invention as set forth in claim 2 provides that the supporting flange of the jack hardware is provided with protrusions that protrude and engage with the inner corners of the peripheral frame of the metal frame of the rectangular stage member in order to prevent the rectangular stage member from shifting. This is a summary.

According to the invention as set forth in claim 2, the protrusion is, for example, a pin, and the supporting flange of the jack hardware plays a role in positioning the lower side of the peripheral frame of the metal frame of the rectangular stage member until it is fixed with bolts. has.

The gist of the present invention as set forth in claim 3 is that a socket metal fitting is provided upright on the support flange of the jack metal fitting to the lower end of the support column, and the support that engages with this socket metal fitting is used as a handrail support post.

According to the third aspect of the present invention, a handrail can be provided around the stage by erecting a handrail support on a socket metal piece that stands on a supporting flange of the jack metal piece.

As described above, the temporary stage of the present invention can be assembled without using jacks, pullers, or joists when using wedge-type scaffolding supports as supports, and can be assembled without using stage members. Since the top surface of the cart is flat and has no protrusions such as plates or bolts, there is no risk of tripping, and it does not interfere with the running of the cart.

It is a side view showing one embodiment of the temporary stage of the present invention. FIG. 1 is a plan view showing one embodiment of a temporary stage of the present invention. FIG. 3 is a side view of a joint portion of the temporary stage of the present invention. FIG. 3 is a plan view of a joint portion of the temporary stage of the present invention. FIG. 3 is a side view of a corner joint portion of the temporary stage of the present invention. FIG. 3 is a plan view of a corner joint portion of the temporary stage of the present invention. It is a front view of the rectangular stage member of the temporary stage of this invention. It is a top view of the rectangular stage member of the temporary stage of this invention. It is a side view of the rectangular stage member of the temporary stage of this invention. It is a side view of the joint part of the handrail support post installation of the temporary stage of this invention. It is a top view of the joint part of the handrail support post installation of the temporary stage of this invention. FIG. 3 is a side view of the jack hardware for erecting the handrail support of the temporary stage of the present invention. FIG. 3 is a plan view of the jack hardware for erecting the handrail support of the temporary stage of the present invention. It is a top view which shows an example of the framework of the metal frame which comprises the rectangular stage member of the temporary stage of this invention. 15 is a cross-sectional view taken along the line AA in FIG. 14. FIG. 15 is a sectional view taken along the line BB in FIG. 14. FIG. FIG. 2 is a side view showing a conventional example. FIG. 2 is a plan view showing a conventional example. It is a front view showing a conventional example. FIG. 3 is a perspective view showing another conventional example. FIG. 3 is a perspective view of a joint part showing an idea that does not require large drawers or joists as a temporary stage. FIG. 2 is a plan view illustrating a plan for a temporary stage that does not require large drawers or floor joists. FIG. 2 is a side view showing an example of a temporary stage that does not require large drawers or joists.

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a side view showing one embodiment of the temporary stage of the present invention, and FIG. 2 is a plan view of the same, which shows an assembly temporary stage using a wedge-type scaffolding support as the support 1. As described above, flanges 1a having insertion holes for fastening are provided at predetermined intervals in the vertical direction.

Handrails and braces 2, called leading handrails, are spanned between pillars 1, which are erected in two rows, front and back, with intervals in the left and right directions for each row, and wedge-shaped insert fittings or hooks are installed. Lock it with etc.

The present invention consists of the above-mentioned support 1, a jack metal fitting 19 having a support flange 18 formed at its upper end, and a rectangular stage member 12 on which a metal plate 13 is attached.

An example of this metal frame framework 20 is shown in FIG. 14. Square pipes are used as the frame material as shown in FIGS. 15 and 16, and vertical and horizontal bars are installed inside the rectangular surrounding frame 20a. Arranged and assembled as a grid. In addition to square pipes, it is also possible to use channel materials, I-beam steel, etc. as the frame material.

A triangular plate 20b for fixing the support flange 18 of the jack hardware 19 and the rectangular stage member 12 was attached to the corners (four corners) of the lower surface of the rectangular surrounding frame 20a. The triangular plate 20b is provided with holes for inserting bolts and holes for inserting positioning pins.

Further, a metal holder 20c for locking the handle is provided at the center of the frame in the lateral direction constituting the rectangular surrounding frame 20a. The handle holder 20c is made of an angle material, one side of which is a horizontal flange with a handle through hole, and the other side of which is attached to the side surface of the rectangular surrounding frame 20a by welding.

The rectangular stage member 12 has the strength to support the load by itself, and may have a rectangular shape (about 900 x 1200) as shown in FIG. 8, a square (about 900 x 900), or a rectangle (about 600 There are several types of sizes such as 1200 x 1200) and rectangular (about 600 x 900), and the rectangular metal plate 13 is made of checkered steel plate.

The rectangular metal plate body 13 is attached to the metal frame framework 20 by welding, and has approximately the same size as the metal frame framework 20.

The rectangular stage member 12 is provided with a U-shaped handle 23 made of a round bar through the handle holder 20c, which can be inserted into the insertion hole of the handle holder 20c and pulled out. do. Two handles 23 are provided symmetrically. This handle 23 is used for transporting and placing the rectangular stage member 12.

In the present invention, the corners of the rectangular stage member 12 are placed on the support flange 18 of the jack hardware 19 in a dense manner, and the lower side of the peripheral frame 20a of the metal frame framework 20 of the rectangular stage member 12 is placed on the support flange 18. It is bolted to the

As shown in FIGS. 5 and 6, the jack hardware 19 is intended to be inserted into the end of the scaffold support 1, and is a bar jack with a nut collar 19a equipped with a handle on a threaded rod body. Horizontally, a support flange 18 made of a square plate is provided.

A bolt insertion hole 22 is formed in the support flange 18, and a positioning pin 21 is provided protrudingly.

The size of the support flange 18 is such that the corners of the rectangular stage member 12 can be placed on each quarter thereof, and the corners of four rectangular stage members 12 can be placed in a dense manner on one support flange 18.

The bolt insertion holes 22 and positioning pins 21 are formed in each quarter of the support flange 18.

The temporary stage of the present invention can be provided with a handrail around the stage, and a jack metal fitting 19 for installing a handrail support shown in FIGS. 12 and 13 is used.

The jack hardware 19 for installing the handrail support has a socket hardware 24 erected at one corner of the support flange 18 to connect to the lower end of the support, and the socket hardware 24 includes a support piece 24a that stands on the support flange 18 and a sheath welded to this support piece 24a It was composed of a tube 24b. The sheath tube 24b is a socket metal fitting to the lower end of the handrail support post 1'.

A bolt insertion hole 27 is provided in the lower part of the sheath tube 24b and the handrail support column 1' inserted into the sheath tube 24b.

In this way, the temporary stage of the present invention is constructed by attaching the jack hardware 19 to the upper ends of the columns 1 that are erected at intervals, and placing the rectangular stage members 12 on the support flanges 18 and laying them out.

In the inner part of the temporary stage, as shown in FIG. 2, the rectangular stage member 12 is connected to the supporting flange 18 of the jack hardware 19 by connecting the corners of the peripheral frame 20a of the metal frame framework 20 of the rectangular stage member 12 to each other. They are placed densely together so as to butt each other, and at the outer periphery, the corner portions of one or two rectangular stage members 12 are placed on the support flange 18 of the jack hardware 19 for installing the handrail support. .

Further, the positioning pin 21 on the support flange 18 is engaged with a triangular plate 20b at a corner of the lower surface of the peripheral frame 20a of the rectangular stage member 12 to prevent slippage.

The lower triangular plate 20b of the rectangular stage member 12 was bolted to the support flange 18 using bolts and nuts 25.

The bolts of the bolt/nuts 25 can be housed in the rectangular stage member 12 without protruding above the rectangular stage member 12 by inserting them from below through the bolt insertion holes 22 of the support flange 18 and the bolt insertion holes 2 of the triangular plate 20b and tightening them with nuts.

The rectangular stage members 12 laid out in this way are supported by the support flange 18 of the jack hardware 19 of the support column 1 to form a temporary stage. Using the socket metal fitting 24 of the jack metal fitting 19, insert the lower end of the support post 1' for the handrail structure into the sheath tube 24b, and insert the bolt into the bolt insertion hole 27 to fix the bolt.

The post 1' for constructing the handrail is a next-generation scaffolding post, and the handrail is assembled to this post to complete the construction.

1...Strut 1a...Flange 1'...Handrail support 2...Handrail/bracing combination member 3...Large jack 4...Large support hardware 5...Large pull 6...Joist 7...Scaffold board 7a...Hook 8...Support flange 9 ...Jack hardware 10...Nut 11...Angle 12...Rectangular stage member 13...Rectangular metal plate 14...Frame material 15...Long hole 16...Holding plate 16a...Long hole 17...Fixing bolt 18...Support flange 19 Jack hardware 19a... Nut collar with handle 20...Metal frame framework 20a...Surrounding frame 20b...Triangular plate 20c...Bracket for locking the handle 21...Positioning pin 22...Bolt insertion hole 23...Handle 24...Socket hardware 24a...Support piece 24b ...Sheath tube 25...Bolt/nut 27...Bolt insertion hole

Claims (3)

A temporary assembly stage that uses scaffolding supports that have flanges formed with insertion holes for fastening wedge-type scaffolding at predetermined intervals in the vertical direction as stage supports , and a jack hardware that has support flanges formed at the upper end. It consists of a rectangular stage member in which a metal plate is attached to a metal frame framework, the jack hardware is attached to the upper end of the support, and the corners of the rectangular stage member are placed on the support flange of the jack hardware with the corners densely packed. , A temporary stage characterized in that the lower side of the peripheral frame of the metal frame framework of the rectangular stage member is bolted to the support flange. 2. The temporary stage according to claim 1, wherein the supporting flange of the jack hardware is provided with protrusions projecting to engage with the inside corners of the peripheral frame of the metal frame of the rectangular stage member in order to prevent the rectangular stage member from shifting. 3. The temporary stage according to claim 1, wherein a socket hardware for the lower end of the support is erected on a support flange of the jack hardware, and the support that engages with the socket hardware is a handrail support.

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