JP4699775B2 - Opening curing device - Google Patents

Description

  The present invention relates to an opening curing device that is useful for an opening of a building.

  When an elevator or stairs is installed in a building, an opening is provided on the floor on the upper floor side. This opening may be used as a loading / unloading port for building materials and building equipment to different levels during building construction, and lifting / lowering means such as a crane and a winch are used for loading / unloading.

  As a safety measure for preventing such a fall from the opening, a curing frame as a handrail frame may be attached so as to surround the opening. As a prior art for attaching a curing frame, Patent Document 1 discloses a curing frame that is easily moved by providing a caster.

When carrying in / out work of building materials or the like or when building work in the vicinity of the opening, there is a case where a curing floor serving as a scaffold on which a field worker can get is temporarily installed in the opening. As a conventional technique for temporarily setting a curing floor, Patent Document 2 discloses that an opening is provided by lifting a work table provided with a telescopic support beam to a predetermined number of floors using lifting means such as a winch, and then extending the telescopic support beam outward. A technique is disclosed in which a work table is temporarily set as a curing floor in an opening having a predetermined number of floors by being hung around the edge of the floor. Further, in Patent Document 3, a plurality of locking part pieces are provided in a state of protruding from the inner peripheral surface of the opening part, and a curing bed in which a notch that engages with these locking part pieces is formed is used as the opening part. A technique for hanging is disclosed.
JP 09-158229 A Japanese Patent Application Laid-Open No. 06-129089 Japanese Patent Laid-Open No. 05-222844

  The installation and removal work of the curing frame and the curing floor is performed according to the construction plan and the progress of the construction work. If these operations can be carried out easily and quickly, the construction work can be made more efficient and the construction period can be shortened. In this regard, according to the technique disclosed in Patent Document 1, when removing the curing frame in order to attach the curing floor, the curing frame must be tilted sideways so that the caster is on the lower side, If it is large, it is difficult to remove it easily and quickly. In addition, when a curing frame is attached around the opening and the opening is used as a material inlet, according to the techniques disclosed in Patent Documents 2 and 3, a member that becomes a curing frame is newly prepared. After removing the curing floor from the opening, it is necessary to attach a new curing frame, which is not efficient.

  The objective of this invention is providing the opening part curing apparatus which can form a curing frame and a curing floor easily and rapidly.

The opening curing device of the present invention has a horizontal portion and a vertical portion, a pair of first beams arranged on the floor in parallel to each other, and the first beam connected to each other, and a horizontal portion and a vertical portion. the a mutual is constituted by a pair of second beams disposed on the floor surface parallel to a rectangular frame disposed so as to surround the opening of the building, the lower edge of the first beam It is attached to each side so that it can be inverted, and when it is tilted inside the rectangular frame, it becomes a curing bed that abuts the horizontal part of the second beam and covers the opening, and when it rises, A pair of first health-care units that are arranged alongside and serving as a curing frame, and a lower edge portion are attached to each of the second beams so that they can be inverted, and supported on the upper side of the first health-care product when tilted inside the rectangular frame. has been become a curing floor for covering the opening, each of said second beam when launched Have a pair of second cured body is disposed along a longitudinal direction becomes curing frame, inverted freely attached to the lower edge of the second curing body height adjusting member provided in the second beam Thus, the attachment position of the second nutrition is made higher than the attachment position of the first nutrition, and the entire opening is covered with the first nutrition and the second nutrition .

The opening curing device of the present invention has a horizontal portion and a vertical portion, a pair of first beams arranged on the floor in parallel to each other, and the first beam connected to each other, and a horizontal portion and a vertical portion. is constituted by a short pair of second beams than the first beam is positioned on the floor surface in parallel to each other has a rectangular frame disposed so as to surround the opening of the building, the lower edge portion Is attached to each of the first beams so that it can be inverted, and when it is tilted to the inside of the rectangular frame, it comes into contact with the horizontal portion of the second beam to cover the opening. A pair of first health-care objects arranged along the longitudinal direction on one beam and serving as a curing frame, and a lower edge portion are attached to each of the second beams so as to be able to be inverted, and the first frame when tilted inside the rectangular frame . is supported on the upper side of the curing body becomes curing floor covering the opening, it is raised up A second curing of the pair being disposed along a longitudinal direction becomes curing frame to the second beam Les, rotatably attached to the second curing body, said second curing on the upper side of the first curing body A third living body that is developed under a state where the body is supported and becomes a curing frame, and the lower edge of the second living body is inverted to a height position adjustment member provided on the second beam By attaching freely, the attachment position of said 2nd living body is made higher than the attachment position of said 1st living body, and the whole opening part is made by said 1st living body, said 2nd living body, and said 3rd living body. It is characterized by covering .

  The opening curing device of the present invention is characterized in that each of the first cured body and the second cured body is torsionally deformed in the state of being the cured bed and is elastic with the torsional deformation in the state of being the cured frame. The other end of the torsion bar is attached to one end of the torsion bar so that the force is released.

  According to the present invention, a curing frame can be formed by starting up a curing body, a curing bed can be formed by tilting the curing body to the inside of a rectangular frame, and the curing frame and the curing bed can be easily formed. And can be formed quickly. In the case of forming either a curing frame or a curing floor, the rectangular frame that serves as a base for supporting these curing frames is still arranged so as to surround the opening of the building, and the work burden on the field worker is small.

  According to the present invention, the first and second caries are displaced in the height direction to form a substantially horizontal curing bed when the respective caries are brought down inside the rectangular frame. be able to. By attaching the torsion bar, it is possible to easily start up the living body. It can be transported to different levels using lifting means such as a crane.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a partial cross-sectional view showing a state in which an opening curing device according to an embodiment of the present invention is attached to an opening of a building under construction. FIG. 1 shows floors 10a to 10d of a building 10 under construction such as a condominium or an office building. For example, when the floor 10a corresponds to the third floor, the floor 10d corresponds to the sixth floor. Each floor 10a to 10d is formed of a floor slab 11 made of reinforced concrete. Among these, a formwork 12 for placing concrete is attached to the floor slab 11 of the floors 10c and 10d using a support member 13. It has been. The field worker performs various construction work on each floor 10a-10d.

  Each floor 10a to 10d is formed with, for example, an opening 14 for installing an elevator in the vertical direction, and these openings 14 are constructed to different levels during building construction. It can be used as a loading / unloading port for materials and building equipment. As a safety measure for preventing such a fall from the opening 14, an opening curing device 15 according to an embodiment of the present invention is attached to the opening 14 of the floor 10c. In addition, although not shown, it cannot be overemphasized that the opening part curing apparatus 15 can be attached also to the opening part 14 of other floor 10a, 10b, 10d.

  FIG. 2 is a perspective view showing an external configuration of an opening curing apparatus according to an embodiment of the present invention, and particularly shows a state where a curing frame is formed. The opening curing device 15 has a rectangular frame 16 arranged so as to surround the opening 14 of the building, and in the case shown in FIG. 1, the rectangular frame 16 does not interfere with the concrete placing work. Although 16 is arrange | positioned on the formwork 12, it can also arrange | position on the floor slab 11, for example, without being restricted to this.

  FIG. 3 is an enlarged perspective view showing a first beam and a second beam according to an embodiment. The rectangular frame 16 includes a pair of first beams 17 arranged in parallel to each other, and a pair of second beams 18 that connect the first beams 17 to each other and are arranged in parallel to each other. Yes. Each of the first beam 17 and the second beam 18 is formed of a steel material having an L-shaped cross section having vertical portions 17a and 18a and horizontal portions 17b and 18b. As shown in FIG. Each of the second beams 18 is arranged in a direction in which the horizontal portions 17b and 18b are arranged to face each other. A connecting member 19 having a fixing hole 19a is fixed to both ends of the first beam 17 and the second beam 18, and the connecting members 19 arranged adjacent to each other are fixed to each other. By attaching a fixing tool such as a bolt (not shown) to the hole 19a, the first beam 17 and the second beam 18 can be fixed at right angles at both ends. The length of the first beam 17 and the second beam 18 is set to a length that can surround the opening 14. Therefore, regardless of the form shown, the first beam 17 may be longer than the second beam 18, and a square frame having the same length may be formed. Note that each of the first beam 17 and the second beam 18 may be fixed by other fixing means such as welding.

  As described above, the rectangular frame 16 is disposed so as to surround the opening 14. However, in order to prevent the opening curing device 15 from shifting in the horizontal direction during use, as shown in FIG. An anti-slip member 20 can be provided on the inner side of the inner wall. In the case shown in the figure, two rod-shaped members are arranged on each of the first beam 17 and the second beam 18 as the anti-slipping member 20, and each of the anti-slipping members 20 includes the horizontal portions 17b and 18b. It is fixed so as to protrude downward from the bottom. By attaching the opening curing device 15 provided with the anti-slipping member 20 to the opening 14 so that the anti-slipping member 20 is inserted into the opening 14, any of the anti-slipping members 20 By contacting the inner peripheral surface of the opening 14, the opening curing device 15 can be prevented from shifting in the horizontal direction.

  A support arm 21 extending outward can be provided on the outer side of the rectangular frame 16, that is, on the outer peripheral surface of the vertical portions 17a and 18a. By providing the support arm 21, the rectangular frame 16 can be attached to the opening 14 in a more stable state, and can be prevented from falling into the opening 14. By forming a through hole in the support arm 21 and attaching an anchor bolt, the opening curing device 15 may be tightly coupled to the foundation such as the mold 12.

  As shown in FIG. 2, the first nutritional body 22 is arranged along the longitudinal direction of the first beam 17, and the second nutritional body 23 is arranged along the longitudinal direction of the second beam 18. Each of the first nourishing body 22 and the second nourishing body 23 includes an expanded metal 26, a frame 24, 25 formed by combining a plurality of vertical members 24a, 25a and cross members 24b, 25b in a lattice shape. 27 is attached. In addition, although not shown in figure, you may form the nourishing body attached to each of the 1st beam 17 and the 2nd beam 18 with a plate-shaped member.

  Hinge fittings 28 attached to the horizontal portion 17b of the first beam 17 are attached to the lower edge of the first living body 22 at predetermined intervals. It is rotatable, that is, it can be inverted. The first living body 22 is longer in the longitudinal direction than the first beam 17, and is set to such a length that the vertical members 24 a at both ends come into contact with the horizontal portion 18 b of the second beam 18 when tilted inside the rectangular frame 16. ing. On the other hand, a hinge fitting 30 attached to a height position adjusting member 29 provided on the horizontal portion 18b of the second beam 18 is attached to the lower edge portion of the second living body 23 at predetermined intervals. The body 23 is rotatable with respect to the second beam 18, that is, can be inverted. By attaching the second living body 23 to the height position adjusting member 29 so as to be inverted, the second living body 23 is attached at a position higher than the attachment position of the first living body 22. In the case shown in the drawing, the height position adjusting member 29 is a rectangular parallelepiped member having a predetermined height, but the mounting position of the second living body 23 is higher than the mounting position of the first living body 22. However, the present invention is not limited to this, and for example, it may be attached to a plate protruding at a predetermined height position of the vertical portion 18a.

  4 is a perspective view showing a state in which a curing bed is formed by the opening curing apparatus shown in FIG. 2, and FIG. 5 (A) is a cross-sectional view along the line AA shown in FIG. (B) is sectional drawing of the direction which follows the BB line shown in FIG. In such an opening curing device 15, when the first curing body 22 is tilted to the inside of the rectangular frame 16, the vertical members 24 a at both ends abut against the horizontal portion 18 b of the second beam 18 so as to be substantially horizontal. It becomes a curing bed that is disposed in the upper portion 14 and covers a part of the opening 14. Then, after depressing the first living body 22 inside the rectangular frame 16 and then tilting the second living body 23 inside the rectangular frame 16, as shown in FIG. By being brought into contact with the living body 22 and supported by the first living body 22, it is disposed substantially horizontally and becomes a curing bed that covers a part of the opening 14. On-site workers can get on the curing floor, and when building materials are not carried in or when building work is performed near the opening 14, the opening 14 is provided with a curing floor as a scaffold. It can be temporarily set up and can be safely operated.

  Moreover, as shown in FIG. 3, each of the 1st nourishing body 22 and the 2nd nourishing body 23 surrounds the opening part 14 by raising each of the 1st nourishing body 22 and the 2nd nourishing body 23 substantially perpendicularly. It becomes a curing frame as a handrail frame. A fastening hole (not shown) is formed in each of the first and second living bodies 22 and 23, and a fastening member such as a fastening pin or a fastening bolt is detachably attached to each fastening hole, thereby providing the living body 22 , 23 can be held in a state where they are raised substantially vertically.

  As described above, the opening curing device 15 can be used as a curing bed or a curing frame simply by bringing the first and second living bodies 22 and 23 to the inside of the rectangular frame 16 or starting up. it can. For example, as shown in FIG. 1, after attaching the opening curing device 15 to the opening 14 of the floor 10c, each of the first and second living bodies 22 and 23 is started up, A curing frame as a handrail frame can be formed so as to surround the floor, and it is possible to prevent a field worker working on the floor 10c from falling from the opening 14 and to construct between different levels through the opening 14 It can carry in and out materials. The opening curing device 15 can be transported to different levels by lifting means such as a crane. FIG. 1 also shows a state in which the opening curing device 15 is lifted by a wire 32 connected to an elevating means such as a crane. The opening curing device 15 does not collide with the floor slab 11 or the like. The first feeding body 22 and the second feeding body 23 are in a state of being tilted inside the rectangular frame 16.

  Each of the first living body 22 and the second living body 23 has a square frame at one end so that the elastic force accompanying the torsional deformation is released in a state in which it is torsionally deformed in a state where it is a curing bed. The other end of the torsion bar 33 attached to 16 can be attached. FIG. 5 shows a state in which the torsion bar 33 is attached to the second beam 18 and the second caring body 23, and torsional deformation is performed in a state where the second caring body 23 becomes a curing bed (FIG. 5 ( B)), the elastic force accompanying torsional deformation is released in the state of the curing frame (see FIG. 5A). As a result, when the upbringed living bodies 22 and 23 are started up, the elastic force of the torsion bar 33 acts in the direction of starting up the upbringing bodies 22 and 23, so that the on-site worker is in the downed state. 22 and 23 can be started up easily. On the other hand, it is safe because the torsion bar 33 is twisted when the nourishing organisms 22 and 23 are tilted, and the nourishment of the nourishing organisms 22 and 23 is suppressed.

  As described above, each of the first beam 17 and the second beam 18 is set to a length corresponding to the size of the opening 14 so as to surround the opening 14. At this time, the length of each of the nurturing bodies 22 and 23 in the longitudinal direction is set to a length corresponding to each of the first beam 17 and the second beam 18.

  FIG. 6 is an enlarged perspective view showing a living body according to an embodiment. 6 includes a main frame body 35 and a sub-frame body 36 that is assembled to the main frame body 35 so as to be reciprocally movable. The main frame 35 is formed by connecting a plurality of hollow cross members 35b arranged in parallel to each other and a plurality of vertical members 35a connecting these cross members 35b to each other in a lattice pattern. . On the other hand, the sub-frame body 36 has a plurality of cross members 36b each having one end inserted into the opening end of the cross member 35b and a plurality of cross members that connect the base end portion and the intermediate portion of the cross member 36b to each other. The vertical members 36a are connected in a grid pattern. Then, by adjusting the insertion amount of the cross member 36b of the sub-frame 36 with respect to the cross member 35b of the main frame 35, a living body 34 having a length corresponding to each of the first beam 17 and the second beam 18 is formed. can do. As the first nourishing body 22 and the second nourishing body 23, such a nourishing body 34 capable of adjusting the length in the longitudinal direction can be used. An expanded metal 37 is stretched over each of the main frame body 35 and the sub-frame body 36. The insertion amount of the cross member 36b with respect to the cross member 35b is between the vertical member 35a and the vertical member 36a. It will be stretched after adjusting.

  As described above, the length of each of the living bodies 22, 23 is set to a length corresponding to each of the first beam 17 and the second beam 18, but in general, the height of the curing frame is For example, since it may be set to a certain height such as 1200 mm, depending on the size of the opening 14, the opening 14 covers the first and second living bodies 22 and 23 that serve as a curing bed. Some parts cannot be done.

  FIG. 7 is a perspective view showing an external configuration of an opening curing apparatus according to another embodiment of the present invention, and particularly shows a state where a curing frame is formed. FIG. 8 is a perspective view showing a state in which a curing bed is formed by the opening curing apparatus shown in FIG. 7 and 8, members that are the same as those shown in FIGS. 1 to 6 are given the same reference numerals, and redundant descriptions are omitted.

  In the opening curing apparatus 40 shown in FIGS. 7 and 8, the first beam 41 extends in the longitudinal direction as compared with the first beam 17, and the first beam 41 is attached to the first beam 41 correspondingly. The one nourishing body 42 extends in the longitudinal direction as compared with the first nourishing body 22. On the other hand, the longitudinal dimension of the second beam 18 and the second curing body 23 is the same as that of the opening curing device 15. In such an opening-curing device 40, even if the second living body 23 is tilted inside the rectangular frame 16a, all the portions that are not covered by the first living body 42 that has become the curing bed are second living body 23. In the case shown in the figure, a portion that is not covered by the nourishing bodies 23 and 42 is generated in the center of the opening.

  As a member for covering a portion that is not covered by such a living body 23, 42, the third living body 44 is rotatably attached to the uppermost horizontal member 25 b of the second living body 23 using a hinge fitting 43. It has been. As shown in FIG. 8, this third living body 44 has a length corresponding to the size of the portion of the opening 14 that is not covered by the first and second living bodies 42 and 23 that have become the curing bed. The portion of the opening 14 that is formed by pasting the expanded metal 46 on the frame 45 formed by connecting the vertical members 45a and the horizontal members 45b in a lattice shape is not covered by the nourishing bodies 23 and 42. It is attached at a position where it can be covered. Thereby, as shown in FIG. 8, the first living body 42 is brought down inside the rectangular frame 16 to form a curing bed that covers a part of the opening 14, and then the second living body 23 is placed inside the rectangular frame 16. In the direction shown by the arrow in the figure, that is, in the direction covering the portions not covered by the living bodies 23, 42, after being brought into contact with the first living body 42 from above and forming a curing bed that covers a part of the opening 14. By expanding the third living body 44, a curing bed that covers the entire opening 14 with the living bodies 23, 42, 44 can be formed.

  On the other hand, when the opening curing device 15 is used as a curing frame, the third biological body 44 is rotated in the direction opposite to the arrow in the drawing and brought into contact with the second biological body 23 from the upper side, and then the second biological body. 23 is started up together with the third living body 44, then the first feeding body 42 is started up, and the above-described fastening members are attached to fastening holes (not shown) formed in the first and second living bodies 42 and 23. By holding the first living body 42 and the second living body 23 in a raised state, a curing frame can be formed as shown in FIG. In the case shown in FIGS. 8 and 9, the opening curing device 15 has two third curing bodies 44 and is attached to each of the second curing organisms 23. 42 may be attached. Moreover, you may make it cover the part of the opening part 14 which is not covered with the living body 23 and 42 by one 3rd living body, In this case, either one of a pair of 1st living body 42, or a pair of It will be attached to either one of the second nodule 23. On the contrary, it may be covered with two or more third living bodies, and a torsion bar may be attached in order to facilitate the development work of the third living body. As a means for developing the third living body, it is possible to provide a guide rail and slide it in parallel with respect to the second living body 23, instead of using the hinge fitting 43 for rotation.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention.

It is a partial cross section figure which shows the state which attached the opening part curing apparatus which is one embodiment of this invention to the opening part of the building under construction. It is a perspective view which shows the external appearance structure of the opening part curing apparatus which is one embodiment of this invention, and shows the state which formed the curing frame especially. It is an expansion perspective view which shows the 1st beam and 2nd beam which are one Embodiment. It is a perspective view which shows the state which formed the curing bed with the opening part curing apparatus shown in FIG. (A) is sectional drawing of the direction in alignment with the AA shown in FIG. 2, (B) is sectional drawing of the direction in alignment with the BB line shown in FIG. It is an expansion perspective view which shows the living body which is one Embodiment. It is a perspective view which shows the external appearance structure of the opening part curing apparatus which is other embodiment of this invention, and shows the state which formed the curing frame especially. It is a perspective view which shows the state which formed the curing bed with the opening part curing apparatus shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Building 10a-10d Floor 11 Floor slab 12 Formwork 13 Support member 14 Opening part 15 Opening part curing device 16 Rectangular frame 16a Rectangular frame 17 First beam 17a Vertical part 17b Horizontal part 18 Second beam 18a Vertical part 18b Horizontal part 19 Connecting member 19a Fixing hole 20 Anti-slipping member 21 Support arm 22 First nutrition 23 Second nutrition 24 Frame 24a Vertical member 24b Horizontal member 25 Frame 25a Vertical member 25b Horizontal member 26, 27 Expanded metal 28 Hinge fitting 29 Position adjusting member 30 Hinge fitting 32 Wire 33 Torsion bar 34 Curing 35 Main frame 35a Vertical member 35b Cross member 36 Sub frame 36a Vertical member 36b Cross member 37 Expanded metal 40 Opening curing device 41 First beam 42 First curing Body 43 Hinge bracket 44 Third living body 45 Frame 45a Vertical member 45b Horizontal member 46 Spanned metal

Claims (3)

A pair of first beams having a horizontal portion and a vertical portion and arranged on the floor in parallel to each other and the first beam are connected to each other, and the floor has a horizontal portion and a vertical portion in parallel to each other. A rectangular frame composed of a pair of second beams arranged on the surface and arranged so as to surround the opening of the building;
A lower edge portion is attached to each of the first beams so that it can be inverted, and when it is tilted to the inside of the rectangular frame, it comes into contact with the horizontal portion of the second beam to cover the opening, and when it rises, A pair of first living bodies disposed along the longitudinal direction of the first beam and serving as a curing frame;
A lower edge portion is attached to each of the second beams so as to be able to be inverted, and when it is tilted to the inside of the rectangular frame, it is supported on the upper side of the first living body and becomes a curing bed that covers the opening. have a pair of second curing body serving as the second beam to be arranged along the longitudinal direction curing frame,
By attaching the lower edge of the second living body to a height position adjusting member provided on the second beam so as to be inverted, the mounting position of the second living body is set higher than the mounting position of the first living body. And the opening part curing apparatus characterized by covering the whole opening part by said 1st biological body and said 2nd biological body . A pair of first beams having a horizontal portion and a vertical portion and arranged on the floor in parallel to each other and the first beam are connected to each other, and the floor has a horizontal portion and a vertical portion in parallel to each other. A rectangular frame arranged on a surface and configured by a pair of second beams shorter than the first beam , and arranged so as to surround the opening of the building;
A lower edge portion is attached to each of the first beams so that it can be inverted, and when it is tilted to the inside of the rectangular frame, it comes into contact with the horizontal portion of the second beam to cover the opening, and when it rises, A pair of first living bodies disposed along the longitudinal direction of the first beam and serving as a curing frame;
A lower edge portion is attached to each of the second beams so as to be able to be inverted, and when it is tilted to the inside of the rectangular frame, it is supported on the upper side of the first living body and becomes a curing bed that covers the opening. A pair of second living bodies arranged along the longitudinal direction on the second beam and serving as a curing frame ;
A third living body that is rotatably attached to the second living body and is deployed under a state where the second living body is supported on the upper side of the first living body, and becomes a curing frame,
By attaching the lower edge of the second living body to a height position adjusting member provided on the second beam so as to be inverted, the mounting position of the second living body is set higher than the mounting position of the first living body. The opening curing device is characterized in that the entire opening is covered with the first, second and third nutrients . 3. The opening curing device according to claim 1, wherein each of the first cured body and the second cured body is torsionally deformed in the state where the curing bed is formed, and the torsion is performed in a state where the curing frame is formed. An opening curing apparatus, wherein the other end of a torsion bar having one end attached to the rectangular frame is attached so that the elastic force accompanying the deformation is released.

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