JP2789512B2 - Loading stage and handrail support fixture - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading stage and a handrail fixing device.

[0002]

2. Description of the Related Art In steel-frame construction, steel-frame construction takes precedence, and floor slab construction and the like are performed several floors below. At this time, the frame of the steel frame structure has no floor on the upper floor. However, materials lifted by a crane and construction machinery (main construction materials such as floor slabs, wall plates, temporary materials such as scaffolds, welding machines, etc.) It is necessary to provide a loading stage for stocking tools).

Conventionally, such a loading stage has no particular structure, and is constructed of a joist made of steel such as an H-shaped steel or the like, and a gantry is assembled with a large scale. The handrail is provided on the base, and the steel base and the floorboard made of iron plate are joined by welding or bolting,
Also, handrails are often assembled with clamps and short tubes.

[0004] Alternatively, a stage of a predetermined size is manufactured at a factory by welding or the like, and is carried into a construction site.

[0005]

As described above, the assembling is performed each time, so that the number of members for assembling is large, the number of assembling work steps is large, and labor, labor and time are required.
In addition, there is a risk of working at heights.

In addition, a large and heavy stage having an integrated welded structure requires time, effort, and time for transporting work, crane lifting work, and refilling work for use on the upper floor.
Even if you want to change the size of the stage at the time of changing, it can not be done.

An object of the present invention is to eliminate the disadvantages of the prior art, to reduce the number of members, to assemble and disassemble easily and easily, safely, and to obtain a desired size easily. It is an object of the present invention to provide a handrail support fixing device that can easily and quickly fix a handrail support to a loading stage and a cylindrical socket that have sufficient space in which the handrail can be fixed in an assembled state. .

[0008]

In order to achieve the above object, according to the present invention, as a loading stage, first, a plurality of horizontally long rectangular metal plate bodies provided with a cylindrical socket for inserting a handrail support at a side portion are provided. The peripheral long side portions abut each other, and the peripheral short side portions are detachably connected so as to be linearly continuous to form a stage, and the lower end of the handrail support is inserted into the cylindrical socket to surround the stage. The second is that the metal plate is made by laying a top plate on the frame material, the third is that the plate and the pipes that make up the handrail are made of aluminum alloy, the fourth is The printing plate is such that the C-type channel material having the outward opening surface is used as a frame material on the short side on the peripheral side, and a closing plate for closing one or both of the right and left sides is used as a connecting plate between the printing plates. Sixth, the plates must be fastened with bolts. A frame member having a flat surface facing outward is provided, and one of these flat surfaces which are in contact with each other is provided with a projection, and the other is provided with an engagement hole into which the projection is inserted. The upper end of the column is a U-shaped member that is continuous with a horizontal member therebetween, and the gist is to attach a baseboard between the lower portions of the handrail column.

Further, as the handrail support fixing device, a handrail is provided in which a hole penetrating inside and outside is provided in the peripheral wall at the lower end portion of the handrail support at upper, middle and lower stages, and a protrusion which can be inserted vertically into the lower and upper holes is provided on the upper and lower sides. It is arranged inside the lower end of the support, and the end of a bolt provided laterally at the center of the rod is projected from the middle hole to the outside of the handrail support, and a tightening nut is screwed to this bolt, and
The gist is that the cylindrical socket into which the lower end of the handrail post is inserted is provided with a hole through which a lower projection is inserted, corresponding to the lower hole.

[0010]

According to the first aspect of the present invention, the stage can be formed only by combining a plurality of horizontally long rectangular metal plate bodies, the number of members is only the number of the plate bodies, the number of lifting times is small, and the stage is further reduced. The assembly work can be performed simply and quickly even at a high place because only the connection of the peripheral short side portion of the plate is required. In addition, the stage is a metal plate body with a top plate laid on a frame material, and the frame materials are joined together and the strength is reliable.In addition, the lower end of the handrail support is inserted into the cylindrical socket. By easily erecting handrails around,
Security can be further improved.

According to the second aspect of the present invention, in addition to the above-mentioned functions, the metal plate is formed by laying the top plate on the frame material, so that the metal plate has many hollow portions and is light and strong in itself. Become.

According to the third aspect of the present invention, in addition to the above functions, the metal plate and the handrail are made of an aluminum alloy, so that the metal plate and the handrail are lighter and stronger, and are rust-resistant and durable. It can be.

According to the present invention, as an example of the connection between the plate members, the connecting plate can be simply provided without taking up space.

According to the fifth aspect of the present invention, in addition to the operation of the third aspect of the present invention, the connecting plates can be firmly connected by fastening them with bolts.
A working space for bolting can be secured in the C-shaped channel material.

According to the sixth aspect of the present invention, the joining of the long sides on the peripheral side is performed by a combination of the projections and the engagement holes, and thus, the positioning of the whole connection between the plate bodies can be performed.

According to the present invention, the baseboard can be set at the same time when the handrail is attached.

According to the present invention, when the lower end of the handrail support is inserted into the cylindrical socket and the tightening nut screwed to the bolt is rotated in the tightening direction, the bolt is pulled out and the rod is pulled out. Is also pressed against the inside of the peripheral wall at the lower end of the handrail support. As a result, the protrusions provided above and below the rod are also pushed outward, and the lower protrusions penetrate the lower hole of the lower wall of the handrail support and the hole of the cylindrical socket to lock the handrail support. The upper protrusion is also inserted into the upper hole of the peripheral wall at the lower end of the handrail support. This serves as a guide for vertically moving the rod so that the lower protrusion is pushed outward in a balanced manner.

Conversely, if the tightening nut is rotated in the loosening direction, the bolt is pushed into the lower peripheral wall of the handrail support,
The rod is also separated from the inside of the peripheral wall at the lower end of the handrail support, and the lower protrusion comes out of the hole of the cylindrical socket, and the engagement between the handrail support and the cylindrical socket is released.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view showing one embodiment of a loading stage of the present invention. The loading stage 1 of the present invention has a width of 50 cm,
It is formed by joining a plurality of (four in the drawing) metal plate bodies 2a and 2b, which are about 400 cm in length and about 12 cm in thickness.

First, the plate members 2a and 2b will be described. The plate member 2a is located at an end and the plate member 2b is located at an intermediate portion. The plate member 2a is made of an aluminum alloy as shown in FIGS. Extruded frame members 3a, 3b, made of C-shaped channel material
An aluminum alloy top plate 4 was laid on 3c and 3d. Of these frame members 3a, 3b, 3c, 3d, the frame member 3a is a part of the long side on the peripheral side that is not joined, and the opening surface is outward. In addition, the frame member 3b is one of the peripheral long side portions.
The opening surface was directed inward, and the flat surface 5 as the web of the C-type channel material was directed outward.

In another embodiment, the plates 2a and 2b may be formed by integrating a frame material and a top plate. In addition, if necessary, it may be constituted by an extruded member integrally formed with a plurality of reinforcing rib members protruding below the top plate and a C-shaped channel member joined to both ends in the longitudinal direction by welding or the like.

Further, the plate bodies 2a and 2b can be formed by joining hollow extruded sections or extruded sections having a U-shaped cross section to each other.

The frame member 3c forms a short portion on the peripheral side, and
The opening surface of the mold channel material is directed outward, and the frame material 3d is a middle connecting material between the frame materials 3a and 3b. In addition, a stripe plate (checker plate) having anti-slip irregularities 4a is used for the top plate 4.

In the plate 2a, cylindrical sockets 6 for inserting the handrail support are arranged at appropriate intervals in the frame material 3a including the end positions. The cylindrical socket 6 has an upper end as shown in FIG. Is opened on the surface of the top plate 4, and the lower end is closed by a lower flange. A drain hole 7 may be provided in the lower flange.

The joining point of the frame member 3c with the frame member 3b is such that the end of the frame member 3c protrudes, and the end portion of the frame member 3c aligned with the flat surface 5 of the frame member 3b is connected to the connecting plate of the plates. The closure plate 8 was closed by welding. The coupling plate 8 may be thicker than the web of the frame 3b forming the flat surface 5, and is provided with a bolt through hole 8a.

The plate 2b is substantially the same as the plate 2a, except that a frame 3b is provided instead of the frame 3a, and the long sides on both circumferential sides are abutting surfaces with the flat surface 5 facing outward. Things.
The flat surface 5 is provided with a through hole 5a or a larger diameter 5b.

The plate 2b has a frame plate 3c at both ends of the connecting plate 8
And the cylindrical socket 6 was arranged at the portion of the frame member 3c.

Further, as shown in FIG. 2, in the plate 2a, a U-shaped handle 9 which can be pulled out as shown in FIGS.

Next, the handrail will be described. An intermediate handrail 10 in the plate body longitudinal direction, an intermediate handrail 23 in the plate body width direction, and corner handrails 11 and 12 are provided, as shown in FIG. ,
The handrail 10 is an aluminum alloy pipe, and is a U-shaped member in which the upper end of the handrail support 10a is continuous via a cross member 10b, and a mounting piece 14 is integrally protruded below the handrail support 10a. A baseboard 13 of an aluminum alloy plate is attached to the end 14 by riveting. Also, the handrail 10 is provided with a cross member 10c connecting the middle part of the handrail support 10a in parallel with the cross member 10b.

The handrail 23 in the plate width direction is the same as the handrail 10 except that it is formed to have the width of the plate.

As shown in FIGS. 12 to 14, the handrails 11, 12 are also aluminum alloy pipes, and the upper ends of the handrail posts 11a, 12a are horizontal members.
It is a U-shaped member continuous through 11b, 12b, and a mounting piece 14 is integrally protruded from the lower part of the handrail support 11a, 12a.
An end portion is riveted to the mounting piece 12 to attach a baseboard 13 made of an aluminum alloy plate, and cross members 11b, 12 for connecting intermediate portions of the handrail posts 11a, 12a in parallel with the cross members 11b, 12b.
The point of providing b is the same as that of the handrail 10.

However, these handrails 11 and 12 are connected to each other by hinges 15 so that the handrail supports 11a and 12a are perpendicular to each other.
Of these handrail supports 11a and 12a to be connected, the handrail support 12
In the case of a, the lower end is shortened, and the whole is supported by the handrail support 11 a via the hinge 15.

Holes 16a, 16b, 16c penetrating inside and outside are provided in the upper, middle, and lower tiers on the peripheral walls at the lower ends of the handrail posts 10a, 11a. Then, as shown in FIG. 15, these lower and upper holes 16 are formed.
A rod 17 having protrusions 17b and 17a which can be inserted through c and 16a is provided in the upper and lower sides in the horizontal direction, and is disposed inside the lower ends of the handrail supports 10a and 11a.

Further, a bolt 17c is protruded laterally at the center of the rod 17, and the end of the bolt 17c is projected out of the handrail support from the hole 16b in the middle stage, and a wing nut 18 as a fastening nut is attached to the bolt 17c. Screwed.

On the other hand, the cylindrical socket 6 into which the lower ends of the handrail supports 10a and 11a are inserted is provided with a hole 19 through which a lower projection 17b is inserted corresponding to the lower hole 16c.

Next, assembling will be described. At the time of assembling, as shown in FIG. 17, a protruding metal piece 20 which is sharpened like a stone is provided on one of the flat surfaces 5 of the frame member 3b by using a through hole 5a. Keep it. Instead of the projection hardware 20, a projection may be provided by welding.

The stage assembling members are the metal plate bodies 2a and 2b and the intermediate handrail 10, the intermediate handrail 23 and the corner handrails 11 and 12 in the width direction of the plate body, and the handrails 11 and 12 are folded. Folds and overlaps. These are lifted by crane to the installation floor.

A support beam such as an H-beam is arranged on the main beam, and the metal plate 2a is arranged on the outer side of the support beam and the metal plate 2b is arranged in the middle on the support beam. The long side portions are in contact with each other, and the peripheral short side portions of the frame material 3c are arranged so as to be linearly continuous. In this case, the peripheral short sides of the frame member 3c are arranged such that the longitudinal ends of the support beams are supported.

At this time, the metal projection 20 is inserted into the through-hole 5b, and positioning of the long sides of the plate bodies 2a and 2b or 2b is determined.

With this positioning, as shown in FIG.
Since the connecting plates 8 at the ends also overlap with each other, if the bolts and nuts 21 are used for fastening through the bolt through holes 8a, the plates 2a and 2b,
Alternatively, 2b is mutually connected to form a stage.

Although not shown in the drawings as another embodiment, the connecting plates 8 can be fastened to each other by using U clips instead of fastening with bolts and nuts 21.

The handrail posts 10a, 11a, 12 are attached to the cylindrical socket 6.
By inserting the lower end of a, handrails 10, 11, 12 are erected around the stage, and at the same time, the baseboard 13 is arranged.

When the lower end of the handrail support is inserted into the cylindrical socket 6 and the wing nut 18 screwed to the bolt 17c is rotated in the tightening direction, the bolt 17c is pulled out.
The rod 17 is also pressed against the inside of the lower peripheral wall of the handrail support.

Thus, the projections 17 provided above and below the rod 17 are provided.
a and 17b are also pushed outward, and the lower projection 17b passes through the lower hole 16c of the lower peripheral wall of the handrail support and the hole 19 of the cylindrical socket 6 to lock the handrail support to the cylindrical socket 6. The upper projection 17a is also inserted into the upper hole 16a of the lower wall of the handrail support pillar, which serves as a guide for vertically moving the rod 17 so that the lower projection 17b is pushed outward in a balanced manner. Make

As still another embodiment, the cylindrical socket 6
It is also possible to adopt a fixing method in which a through hole is provided at the lower end of the handrail support and a screw or a pin is inserted into the through hole.

Between handrails 10 and between handrail 10 and handrails 11 and 12,
There is no equivalent to the baseboard 13 between the handrail posts, and there is a possibility that a slight gap may be formed.However, in order to prevent the handrail from falling from such a gap, as shown by a chain line in FIG. The protruding piece 22 protruding in the direction may be provided integrally.

In the illustrated embodiment, the metal plate 2a,
2b shows the case of four sheets in total, but is not limited to this, and the number of metal plate bodies 2b can be increased or decreased.

The metal plates 2a and 2b can be connected to each other, and a stage having an arbitrary width can be formed by moving the widthwise intermediate handrail 23 back and forth with respect to the width of the plate.

[0049]

As described above, the loading stage and handrail fixing device of the present invention have a small number of members, can be easily and easily assembled and disassembled as a loading stage, and have a desired shape. A large-sized one can be obtained easily, and in an assembled state, a space that is stable in terms of strength and has a sufficient space can be obtained.

The handrail fixing device can be easily and quickly fixed when a handrail support is inserted into a cylindrical socket and installed upright.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a loading stage of the present invention.

FIG. 2 is a plan view of a printing plate located at an end.

FIG. 3 is a front view of a printing plate located at an end.

FIG. 4 is a side view of a printing plate located at an end.

FIG. 5 is a side view of the cylindrical socket.

FIG. 6 is a plan view of a printing plate located at an intermediate portion.

FIG. 7 is a front view of a printing plate located at an intermediate portion.

FIG. 8 is a side view of a plate located at an intermediate portion.

FIG. 9 is a plan view of a handle portion.

FIG. 10 is a vertical sectional side view of a handle portion.

FIG. 11 is a front view of an intermediate handrail.

FIG. 12 is a front view of a handrail for a corner.

FIG. 13 is a plan view of a corner handrail.

FIG. 14 is a side view of a corner handrail.

FIG. 15 is a vertical sectional side view showing one embodiment of the handrail fixing device of the present invention.

FIG. 16 is a front view showing the joining of the peripheral short sides of the plate bodies.

FIG. 17 is a longitudinal sectional front view showing the joining of the long sides on the peripheral side of the plate bodies.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Loading stage 2a, 2b ... Plate body 3a, 3b, 3c, 3d ... Frame material 4 ... Top plate 4a ... Unevenness 5 ... Flat surface 5a, 5b ... Through-hole 6 ... Cylindrical socket 7 ... Drain hole 8 ... Coupling plate 8a Bolt through hole 9 Handle 10,11,12,23 Handrail 10a, 11a, 12a
... Handrail support 10b, 11b, 12b, 10c, 11c, 12c ... Cross member 13 ... Baseboard 14 ... Mounting piece 15 ... Hinge 16a, 16b, 16c
... Hole 17 ... Rod 17a, 17b ... Protrusion 17c ... Bolt 18 ... Wing nut 19 ... Hole 20 ... Protrusion hardware 21 ... Bolt / Nut 22 ... Protrusion

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 64-7907 (JP, U) Japanese Utility Model Showa 53-96323 (JP, U) (58) Fields surveyed (Int. Cl. ⁶ , DB name) E04G 21/32 E04G 27/00

Claims (8)

(57) [Claims] 1. A plurality of horizontally long rectangular metal plate bodies provided with cylindrical sockets for inserting handrail struts on their side portions, the long sides on the circumferential side abut against each other, and the short sides on the circumferential side are linearly continuous. A loading stage characterized in that the stage is constituted by being detachably connected as described above, and the lower end of the handrail support is inserted into the cylindrical socket so that the handrail is erected around the stage. 2. The loading stage according to claim 1, wherein the metal plate has a top plate laid on a frame material. 3. The loading stage according to claim 1, wherein the pipes constituting the plate and the handrail are made of an aluminum alloy. 4. The printing plate is configured such that a short side portion on the peripheral side has a C-shaped channel material having an outwardly open surface as a frame material, and a closing plate for closing one or both of the left and right sides is a connecting plate between the printing plates. The loading stage according to claim 1 or claim 3. 5. The connecting plate is fastened with bolts.
A loading stage according to claim 4. 6. The printing plate is a frame member having a flat surface facing outward on a long side on a peripheral side on a side abutting each other, and a projection is provided on one of the flat surfaces abutting on each other and the frame is provided on the other. 6. The loading stage according to claim 1, further comprising an engagement hole into which the projection is inserted. 7. The loading stage according to claim 1, wherein the handrail is a U-shaped member whose upper end of the handrail support is continuous via a horizontal member, and a baseboard is attached between lower portions of the handrail support. 8. A lower end of a handrail support is provided with a hole penetrating the inside and outside of the lower end peripheral wall at an upper, middle, lower stage, and a rod having protrusions vertically insertable into the lower and upper holes is disposed inside the lower end of the handrail support. From the middle hole, the end of a bolt provided laterally at the center of the rod is projected out of the handrail support, a tightening nut is screwed into this bolt, and the lower end of the cylindrical socket into which the lower end of the handrail support is inserted is inserted. A handrail support fixing device, characterized in that holes corresponding to the holes are inserted through which lower projections are inserted.