JP2011080333A - Scaffold, method of installing scaffold, and method of renewing scaffold - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a scaffold which can be easily carried in and out of a site. <P>SOLUTION: This scaffold 1 used for the construction of a ceiling part 12 above an obstacle 15 installed in a room of a building includes a plurality of support members 2 which are installed on the outside of the obstacle 15 with the obstacle 15 interposed therebetween and each of which is formed of the combination of a plurality of block-shaped or box-shaped members 3 formed of lightweight members and a floor member 8 installed between the upper parts of the support members 2 while straddling the obstacle 15. Since the members 3 of the support members 2 and the floor member 8 which constitute the scaffold 1 are formed of the lightweight members, operations for carrying these members into site and installing the members and operations for removing the members and carrying out the members from the site can be easily and efficiently performed in a short time. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a scaffold, a scaffold installation method, and a renewal method, and in particular, installed without moving obstacles such as desks, chairs, and various office equipment installed in a building room, above the obstacles. The present invention relates to a scaffold that is effective for various types of work performed on a ceiling, a method for installing a scaffold, and a renewal method.

  Avoid various obstacles such as desks, chairs, and office equipment installed in the room when performing various types of work such as replacement of ceiling panels, replacement of piping and wiring, and expansion of ceilings in the building interior. By using this scaffold, various constructions are performed on the ceiling above the obstacle without moving the obstacle.

  For example, install a pair of stepladders avoiding obstacles on both sides of the obstacle, bridge the scaffolding board with the obstacle straddled between the upper parts of both stepladders, cover the upper part of the obstacle with a curing sheet, Various work is being done on the ceiling above the obstacles.

  However, in the scaffolding as described above, the weight of the stepladder and the scaffolding plate is very heavy, so that the worker carries it in and installs it on the site, and removes it from the site after the construction is completed and carries it out. It takes a lot of work.

  Other examples of scaffolds are described in Patent Documents 1 and 2. The scaffold described in Patent Document 1 is a movable scaffold, and is an upper side that is horizontally attached between the four columns provided vertically and the upper ends of two adjacent columns among the four columns. Material, pipe material attached to the upper part of the upper cross member, a plurality of rectangular plate-like scaffolding plates attached to the upper part of the pipe material via gripping metal fittings, and an oblique attachment between the upper cross member and each column It is equipped with reinforcement brace.

  The scaffold described in Patent Document 2 is a movable scaffold, and includes two work floors that can be folded, four legs that support the two work floors, and lower ends of the legs. Casters provided, slanters attached diagonally between each leg and each work floor, reeds attached between the two legs of each work floor, and two of the two work floors And a connecting rod attached between the legs.

Japanese Utility Model Publication No. 7-19488 No. 7-35998

  Since the scaffolds described in Patent Documents 1 and 2 are configured to be movable, it takes time for the operator to carry in and install the construction site, and to remove and remove the construction site after completion of the construction. There is nothing wrong.

  However, the scaffold described in Patent Document 1 is provided with a reinforcing bar crossing diagonally between two struts, and the scaffold described in Patent Document 2 is obliquely inclined between the work floor and the leg. It is attached and the horizontal and connecting rods are horizontally mounted between the two legs, so that they may be in the way and cannot be installed depending on the size and height of obstacles installed indoors. is there. In that case, the obstacles must be moved and installed, the scaffolding must be removed after the completion of the construction, and the obstacles must be returned to their original positions, which is very laborious.

  The present invention has been made in view of the conventional problems as described above, and can be easily carried in and installed in an indoor construction site, and can be easily disassembled and carried out after completion of the construction. The purpose of the present invention is to provide a scaffold that can be installed indoors without moving an obstacle installed in the building, a method for installing the scaffold, and a renewal method.

In order to solve the above problems, the present invention employs the following means.
That is, the present invention is a scaffold used in the construction of a ceiling portion above an obstacle installed in a room of a building, and is installed with the obstacle interposed therebetween, and a plurality of blocks each made of a lightweight material It comprises a plurality of support members formed by combining a box-like or box-like member, and a floor member spanning the obstacles between the upper portions of the plurality of support members.

  According to the scaffold of the present invention, the scaffold is composed of a plurality of support members and a floor member, each support member is composed of a plurality of members made of lightweight materials, and the floor member is composed of a lightweight material. It is possible to carry out the work to be carried in and installed in the indoor construction site, and the work to be removed from the indoor construction site and carried out after the construction is completed easily and in a short time.

  In the present invention, the member may be made of plastic, paper, wood, metal, or pumice.

  Furthermore, in the present invention, the floor member is composed of a plurality of beam members made of a lightweight material spanned in a state of straddling the obstacle between the upper portions of the plurality of support members, or the plurality of beam members. And at least one floor material made of a lightweight material provided on top of the plurality of beam members.

  According to the scaffold of this invention, a floor member can be comprised by spanning a some beam material between the upper part of a some support member. Moreover, a floor member can be comprised by spanning a some beam material between the upper part of a some support member, and providing at least 1 sheet of floor material on the upper part of a some beam member. In this case, since the beam material and the floor material are formed of a lightweight material, the work of bridging the plurality of beam materials between the upper portions of the plurality of support members, at least one floor material is the upper portion of the plurality of beam materials Can be performed easily, in a short time, and efficiently.

  Furthermore, in the present invention, the beam material may be made of a plastic, paper, wood, or metal pipe, and the floor material may be made of a plastic, paper, wood, or metal plate.

  Furthermore, the present invention is a method of installing a scaffold used for construction of a ceiling portion above an obstacle placed in a room of a building, and is formed by combining a plurality of block-like or box-like members made of lightweight materials. A plurality of support members are installed with the obstacle sandwiched therebetween, and a floor member made of a lightweight material is bridged across the obstacle between the upper portions of the both support members.

  Furthermore, the present invention is a renewal method for a ceiling portion above an obstacle arranged in a room of a building, and includes a plurality of support members formed by combining a plurality of block-like or box-like members made of lightweight materials. Installed in a state where an obstacle is sandwiched between them, a floor member made of a lightweight material is bridged across the obstacle between the upper parts of the both support members, and the floor member is used as a work floor, It is characterized by performing various constructions on the ceiling.

  As described above, according to the scaffold of the present invention, the installation method of the scaffold, and the renewal method, it is easy to carry in and install in the indoor construction site, and to remove and carry out the work after completion of the construction. It can be performed efficiently in a short time.

It is the top view which showed one Embodiment of the scaffold by this invention. It is A arrow directional view of FIG. It is a perspective view of the supporting member of the scaffold of FIG. It is a perspective view which shows the other example of the member of the supporting member of the scaffold of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 4 show an embodiment of a scaffold according to the present invention. This scaffold 1 is used for various constructions (for example, renewal construction such as replacement of ceiling boards, replacement of piping and wiring, expansion construction, etc.) performed on the ceiling 12 in the room of the building. It is effective for performing various constructions on the ceiling portion 12 above the obstacle 15 without moving the obstacle 15 such as a desk, chair, and various office equipment installed on the floor 13 of the floor. is there.

  That is, the scaffold 1 according to the present embodiment includes a pair of support members 2 and 2 installed on both sides of the obstacle 15 installed on the floor 13 in the room while avoiding the obstacle 15, and both the support members 2 and 2. The floor member 8 is laid across the obstacle 15 between the upper parts of the floor, and the operator sits on the upper part of the floor member 8 of the scaffold 1 on the ceiling portion 12 above the obstacle 15. On the other hand, various construction works are being done.

  In the present embodiment, six sets of desks and chairs (hereinafter referred to as “obstacles 15”) are installed on the floor 13 in the room so as to form a substantially rectangular shape in plan view. A pair of support members 2, 2 are installed outside the sides 16, 16 at a predetermined interval and along the long sides 16, 16.

  Each support member 2 is formed in a rectangular parallelepiped shape having a predetermined size by combining a plurality of block-shaped or box-shaped members 3. In the present embodiment, nine block-shaped members 3 are combined to form a rectangular parallelepiped having a width of 900 mm, a length of 5400 mm, and a height of 1350 mm.

  Each member 3 constituting each support member 2 is formed from a lightweight material having a size and weight (for example, 20 kg or less) that can be carried by an operator alone. Examples of the lightweight material include plastic, paper, wood, metal, and pumice.

  In the present embodiment, foamed polystyrene is used as a lightweight material, and each member 3 is formed in a solid rectangular parallelepiped shape having a width: 900 mm, a length: 1800 mm, a height: 450 mm, and a weight: about 20 kg. Then, a set of members 3 of this size stacked vertically in three stages is made into one set, and this set of members 3 is set in three sets along the long sides 16 on the outside of the long sides 16 of the obstacle 15. It installs and each support member 2 is formed in the rectangular parallelepiped shape of said magnitude | size.

  Each member 3 constituting each support member 2 spans a floor member 8 to be described later between the upper portions of the pair of support members 2, 2, and works materials and various equipment are placed on the upper portion of the floor member 8. Furthermore, when an operator rides on the upper part of the floor member 8 and performs various operations on the ceiling portion 12, the strength is set so that these loads can be supported by the pair of support members 2 and 2. Yes.

  The nine members 3 constituting each support member 2 may be merely placed on the floor 13 in the room, or adjacent to each other between the upper and lower members 3 and 3 and the long side 16 direction of the obstacle 15. The two sets of members 3 and 3 may be configured to be detachably joined with an adhesive tape or the like.

  As shown in FIG. 4, each member 3 is provided with a convex portion 5 on the upper surface 4, and a concave portion 7 that can be fitted to the convex portion 5 on the upper surface 4 on the lower surface 6. The upper and lower members 3 and 3 of each set are separably coupled to each other by fitting the convex portion 5 of the upper surface 4 and the concave portion 7 of the lower surface 6 of the upper member 3 to each other. Also good.

  By providing the convex part 5 on the upper surface 4 of the member 3 and providing the concave part 7 on the lower surface, between the upper surfaces of the uppermost members 3 and 3 of the two sets of members 3 and 3 adjacent to each other in the direction of the long side 16 of the obstacle 15 One member 3 may be bridged, and the concave portion 7 on the lower surface 6 of the member 3 and the convex portion 5 on the upper surface 4 of the uppermost member 3 of each set may be fitted to each other. By setting it as such a structure, two adjacent members 3 and 3 can be couple | bonded so that isolation | separation is possible.

  The floor member 8 is composed of a plurality of beam members 9 that are bridged across the obstacle 15 between the upper portions of the pair of support members 2 and 2, and a floor member 10 that is provided above the plurality of beam members 9. In addition, various works are performed on the ceiling portion 12 above the obstacle 15 in a state where an operator is on the floor 10.

  The beam material 9 has a pipe shape formed of a lightweight material having a size and weight (for example, 20 kg or less) that can be carried by an operator alone. Examples of the lightweight material include plastic, paper, Examples include wood and metal. In the present embodiment, a round pipe 9a made of fiber reinforced plastic is used, the beam 9 is formed to a predetermined length by the round pipe 9a, and the beam 9 is used as a pair of support members 2, A plurality of bridges are bridged between the upper portions of the two at predetermined intervals.

  The beam material 9 is provided with a floor material 10 on top of the plurality of beam materials 9, a construction material and various equipment are placed on the floor material 10, and an operator rides on the floor material 10 to the ceiling. When the work is performed on the portion 12, the number and strength of the support members 2 and 2 spanned between the upper portions of the pair of support members 2 and 2 are set so that their weights can be supported by the plurality of beam members 9. .

  Each beam 9 may be in a state of being bridged between the upper parts of the pair of support members 2 and 2, or in a state of being bridged between the upper parts of the pair of support members 2 and 2. You may comprise so that it may fix to the upper part of 2 so that isolation | separation is possible by fixing members, such as a band.

  The flooring 10 has a plate shape formed of a lightweight material having a size and weight (for example, 20 kg or less) that can be carried by an operator alone. Examples of the lightweight material include plastic, paper, Examples include wood and metal. In the present embodiment, a corrugated cardboard 10 a having a predetermined size and weight is used, and a plurality of cardboards 10 a are arranged on top of a plurality of beam members 9 to constitute a flooring 10.

  The plurality of cardboards 10a are arranged on top of the plurality of beam members 9 so that no gap is formed between the adjacent cardboards 10a and 10a, and the obstacle 15 is formed by the flooring 10 made of these plurality of cardboards 10a. The upper part of the flooring 10 is covered, and various works are performed on the ceiling part 12 above the obstacle 15 in a state where an operator is on the flooring 10.

  Each cardboard 10a has a full length so that both ends project a predetermined length outward from both ends of each beam member 9. The plurality of cardboards 10a may be in a state of being placed on top of the plurality of beam members 9, adjacent cardboards 10a and 10a may be joined to each other with an adhesive tape or the like, or both ends of each cardboard 10a may be joined. May be configured to be separably fixed to the beam member 9 by a fixing screw or the like.

  Each corrugated cardboard 10a has a strength so as not to be deformed due to the weight of construction materials and various kinds of equipment placed on the top of the cardboard 10a and the weight of a worker who works on the top of the corrugated board 10a. Is set.

  In order to perform various kinds of construction on the indoor ceiling portion 12 using the scaffold 1 according to the present embodiment configured as described above, the worker alone constitutes the structural member of the scaffold 1 from the entrance to the room to be constructed. Carry in.

  Then, nine members 3 are placed outside the long sides 16 and 16 of the obstacle 15 installed in the room at a predetermined interval, and the nine members 3 are moved along the long sides 16. A rectangular parallelepiped support member 2 is installed. In this case, if necessary, the upper and lower members 3 and 3 of each pair of the support members 2 are joined to each other by an adhesive tape or the like, and the two adjacent members 3 and 3 are separated by an adhesive tape or the like. Join as possible.

  Next, a plurality of beam members 9 are bridged at predetermined intervals between the upper portions of the pair of support members 2 and 2, and a plurality of cardboards 10 a are placed on the upper portions of the plurality of beam members 9. A flooring 10 composed of a plurality of cardboards 10a is formed on the top of the material 9.

  In this case, if necessary, both ends of each beam member 9 can be fixed to the support member 2 by a fixing member such as a fixing screw, and both ends of the cardboard 10a can be separated from the beam member 9 by a fixing member such as a fixing screw. The adjacent cardboards 10a and 10 are joined to each other by an adhesive tape or the like so as to be separable.

  In this way, the pair of support members 2, 2 are installed on both outer sides of the obstacle 15, and a plurality of beam members 9 are bridged between the upper portions of the pair of support members 2, 2. The scaffold 1 can be installed indoors by constructing the flooring 10 by placing a plurality of cardboards 10a on the top of the floor.

  Then, a construction material and various equipment are placed on the floor 10 of the scaffold 1 installed as described above, and an operator rides on the floor 10 to use the materials and equipment for the ceiling portion 12. By performing the operation on the above, various constructions such as replacement of the ceiling plate of the ceiling portion 12 above the obstacle 15, replacement of wiring and piping, and expansion can be performed without moving the obstacle 15. . And after the various construction with respect to the ceiling part 12 is complete | finished, the scaffold 1 is disassembled and it carries out from a room | chamber interior.

  In the scaffold 1 according to the present embodiment configured as described above, the support member 2, the beam member 9 of the floor member 8, and the floor member 10 constituting the scaffold 1 can be transported by an operator alone. Now, since it is made of lightweight material (for example, 20 kg or less), the work of carrying in and installing indoors and the work of disassembling and carrying out after completion of the construction can be easily and quickly performed. Can be done without.

  Further, the support member 2 constituting the scaffold 1 is made of foamed polystyrene, the beam material 9 is made of a round pipe 9a made of fiber reinforced plastic, and the floor material 10 is made of cardboard 10a having a honeycomb structure. Therefore, the price of the entire scaffold 1 can be reduced.

  In the above description, each support member 2 is formed in a rectangular parallelepiped shape by combining nine members 3, but depending on the size of the obstacle 15, no more than eight members 3 or ten or more members. By combining the members 3, the rectangular parallelepiped supporting members 2 may be configured, or the rectangular parallelepiped supporting members 2 may be configured by one member 3.

  In the above description, each member 3 of each support member 2 is formed in a solid rectangular parallelepiped shape, but is not limited to a rectangular parallelepiped, and is formed in other solid three-dimensional shapes (columnar shape, prismatic shape, etc.). Alternatively, each member 3 may be formed in a hollow (box shape), and a plurality of members 3 may be combined to form a three-dimensional support member 2 such as a hollow rectangular parallelepiped, a cylinder, or a prism.

  Furthermore, in the above description, the round pipe 9a is used for the beam member 9, but a square pipe may be used, and the beam member 9 may be formed by a member such as a round bar shape, a square bar shape, or a strip plate shape. It may be configured.

  Furthermore, in the above description, the floor member 8 is composed of the plurality of beam members 9 and the floor member 10, but may be composed of only the plurality of beam members 9. In that case, what is necessary is just to span between the upper part of a pair of support members 2 and 2 in the state which contact | adhered the some beam material 9, so that a clearance gap may not be formed between the adjacent beam materials 9 and 9. FIG.

DESCRIPTION OF SYMBOLS 1 Scaffolding 2 Support member 3 Member 4 Upper surface 5 Convex part 6 Lower surface 7 Concave part 8 Floor member 9 Beam material 9a Round pipe 10 Floor material 10a Corrugated cardboard 12 Ceiling part 13 Floor 15 Obstacle 16 Long side

Claims (6)

A scaffold used for the construction of the ceiling above the obstacle installed in the room of the building,
A plurality of support members, each of which is installed with a plurality of block-like or box-like members each made of a lightweight material, sandwiched between the obstacles, and straddles the obstacles between the plurality of support members. Scaffolding characterized by comprising a floor member that is suspended in a slender state.   The scaffold according to claim 1, wherein the member is made of plastic, paper, wood, metal, or pumice.   The floor member is composed of a plurality of beam members made of a lightweight material spanned in a state of straddling the obstacle between the upper portions of the plurality of support members, or the plurality of beam members and the plurality of beams. The scaffold according to claim 1 or 2, comprising at least one floor material made of a lightweight material provided on an upper part of the material.   4. The beam material is made of a plastic, paper, wood, or metal pipe, and the floor material is made of a plastic, paper, wood, or metal plate. Scaffolding as described in. A method of installing a scaffold used for the construction of a ceiling above an obstacle placed in a room of a building,
A plurality of support members formed by combining a plurality of block-shaped or box-shaped members made of lightweight materials with the obstacle sandwiched therebetween, and a floor member made of lightweight materials between the upper portions of the both support members A scaffolding installation method characterized in that the scaffold is bridged over the obstacle. A renewal method for the ceiling above the obstacle placed in the building,
A plurality of support members formed by combining a plurality of block-shaped or box-shaped members made of lightweight materials with the obstacle sandwiched therebetween, and a floor member made of lightweight materials between the upper portions of the both support members The renewal method is characterized in that it is bridged over the obstacle, and various constructions are performed on the ceiling using the floor member as a work floor.

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