JP4306456B2 - Legal formwork and construction method of legal formwork - Google Patents

Description

The present invention relates to a method frame for forming a method frame having a trapezoidal cross-sectional shape and a construction method thereof . More specifically, as well as configured to be foldable formwork for legal frame forming trapezoidal relates improved legal frame for mold and its construction method in order to improve workability regarding assembly of the mold.

  As a technical means for making this type of trapezoidal frame forming formable to be foldable, an interval holding member composed of two X-shaped crossing wires is used, and the X-shaped crossing wire The upper end portion or the lower end portion is rotatably coupled to the horizontal wire constituting the mesh formwork plate, and the other end of the wire is configured to be detachable from the horizontal wire constituting the mesh formwork plate. In a state where the other end of the wire crossing the X shape is separated from the horizontal wire constituting the mesh mold plate, the mold is folded by deforming so as to crush the X-shaped spacing member. Is known (see Patent Document 1). In addition, an approximately cross-girder-shaped interval holding member is used, and the upper horizontal member constituting the interval holding member is set shorter than the lower horizontal member, and one end portion of these horizontal members is rotated to the mesh formwork plate. In a state where the other transverse member is detached from the transverse wire constituting the mesh formwork plate by movably joining and detachably joining the end of the other transverse member to the mesh formwork plate, There is also known a technique in which a mold is folded by shifting a net-like formwork plate in parallel (see Patent Document 2).

However, these conventional techniques have a problem in workability at the time of assembling the formwork. That is, at the time of assembling the former formwork according to the prior art, the hook portion as a detachable coupling means is hooked on the wire rod of the net formwork plate while the X-shaped gap holding member is sequentially expanded. In order to maintain the stop state, a work form such as bundling with a wire or the like is performed, but in general, a plurality of spacing members may be installed for one mold, The work was not so easy and it took a lot of work. In addition, when the formwork is folded, a plurality of wire rods having hook portions at the end portions protrude, and there is another problem that they are easily caught. Also in the latter prior art, since the hook is used as a means for detachably coupling the spacing member and the reticulated formwork plate, the hook portion of the spacing member is used when assembling the mold. Is required to be hooked from the inner side to the wire rod of the mesh formwork plate, and further, the hook portion is caulked from the inside between the mesh formwork plates. In this case as well, it is necessary not only to hook a plurality of hooks to one mesh form plate, but also to hook the hooks from the inside to the wire of the mesh form plate. Since the reticulated form plate is further tilted by gravity until it is securely joined, the wire is easily detached from the hook part, and the hook part must be caulked from the inside of the reticulated form plate. There was a problem that it was difficult to work.
Japanese Patent No. 3195774 Utility Model Registration No. 3092058

  The present invention has been developed in view of the above-described conventional technical situation, and is configured so that a trapezoidal formwork forming frame can be folded, and workability relating to the assembly work of the formwork is improved. An object is to provide an improved formwork frame.

In order to solve the above-mentioned problem, in the present invention of claim 1, at least one of the reticulated form plates opposed to both sides is inclined via the interval holding member, and the upper portion of the space between the reticulated form plates is separated. Is formed narrower than the lower portion so that the cross-sectional shape in the assembled state is a trapezoidal shape, and at least two of the spacing members and the net-like mold plates on both sides thereof are separated from each other in the vertical direction. together configured to form the method frame mold frame by binding at the point, the coupling portion of the at least one position of the spacing holding member side, substantially to the plate surface of the inclined mesh mold plate with a binding partner There along, separable therefrom configured for net-like mold board the length of the vertical direction by providing a slanted contact piece portion which is larger than the spacing between horizontal lines material constituting the mesh-type frame plate And the other spacing member and the mesh Binding portion of the mold plate is rotatably coupled to the at the contact piece is brought into contact with the inner surface of the inclined mesh mold plates and to hold the mesh-type frame plate in a predetermined inclined state conditions In this case, a technical means is adopted in which the abutting piece and the reticulated form plate are configured to be able to be combined . According to a second aspect of the present invention, there is provided an inclined contact piece substantially along the plate surface of the inclined reticulated form plate that becomes a connection partner to at least one connecting portion of the upper lateral member constituting the spacing member. A vertical portion is provided that is configured so as to be able to contact with and separate from the net formwork plate and is composed of two linear members arranged in parallel with the lower horizontal member, and between which the net formwork plate is formed. The technical means of inserting a wire or a horizontal wire movably was adopted. In the present invention described above, an inclined contact piece portion substantially along the plate surface of the inclined reticulated mold plate serving as a connecting partner is provided at at least one connecting portion on the side of the spacing member, and the reticulated formwork is provided. Since it is configured so as to be able to contact and separate from the plate, the mesh mold plate is separated from the abutting piece portion so that the mesh mold plates on both sides are in a parallel state, and then the mesh mold plate is placed on the plate surface. Can be folded easily if they are moved relative to each other so as to be shifted from each other. Further, at the time of assembling the formwork, since the contact piece comes into contact with the plate surface of the inclined mesh mold plate, along with the inclined state of the reticulated mold plate is easily maintained, even from the outside of the net-like mold board The contact piece can be simply and accurately coupled to the wire rod of the net-form frame plate using an appropriate bundling means .

According to the invention of claim 3 , at least one of the mesh form plates opposed to each other is inclined through the interval holding member, and the upper part interval between the mesh form plates is formed narrower than the lower part. Then, in the frame for the normal frame configured so that the cross-sectional shape in the assembled state is a trapezoidal shape, the interval holding member and the net-like mold plates on both sides thereof are joined at at least two points spaced apart from each other. The frame is configured so as to form the normal frame, and the length in the vertical direction is substantially along the plate surface of the slanted net form plate as a coupling partner at at least one coupling portion on the spacing member side. An inclined contact piece portion having a height set larger than the interval between the horizontal wire members constituting the mesh formwork plate is provided so as to be able to contact and separate from the mesh formwork plate. Contact the inner surface of the slanted mesh form plate A method for constructing a form frame for forming a form frame by forming the form frame for a form frame by holding the mesh form plate in a predetermined inclined state and then joining the abutting pieces and the form plate plate It was adopted.

According to the form frame for a legal frame according to the present invention, the following effects can be obtained.
(1) A normal frame in an assembled state with a simple configuration in which an inclined contact piece portion substantially along the plate surface of the inclined mesh-shaped frame plate serving as a coupling partner is provided at a part of the coupling portion of the spacing member. While the cross-sectional shape of the formwork can be formed in a trapezoidal shape, it can be configured to be foldable.
(2) Moreover, in the assembling work of the mold, it is possible to hold the mesh mold plate in a predetermined inclined state by contacting the abutting piece portion with the inclined plate surface of the mesh mold plate, and The mesh form plate and the interval holding member can be simply and accurately coupled to each other from the outside of the mesh form plate via the contact piece using an appropriate binding means, and the workability can be greatly improved .
(3) Further, even in the folded state of the mold, there is less entanglement with the reticulated form plate than in the case of the prior art employing a hook as a coupling means at the time of assembly, and it is easy to handle and easy to use.
(4) by the vertical length of this contact piece portion is set larger than the spacing between horizontal lines material constituting the reticulated formwork plate, the contact piece is prevented from entering between the horizontal member, reticulated The contact state with the plate surface of the formwork plate is further stabilized, and the entanglement with the reticulated formwork plate at the time of folding can be avoided more accurately.
(5) The horizontal member of the spacing member is composed of two linear members arranged in parallel, and the lower vertical wire or horizontal wire constituting the net-like formwork plate can be moved between the linear members. When configured to be inserted, move the vertical or horizontal wires constituting the mesh formwork plate to make the mesh form plates on both sides parallel, and in the direction along those plate surfaces. If they move relative to each other, they can be folded easily.

The present invention can be widely applied as a method frame mold having a trapezoidal cross-sectional shape in an assembled state. As for the form relating to the cross-sectional shape in the assembled state, the mesh form plates on both sides are inclined at the same angle with respect to the installation surface, the mesh form plates on both sides are inclined at different angles, or only one of them. The other net-like formwork plate is inclined and the other net-like formwork plate is installed perpendicular to the installation surface. Moreover, as a form regarding a space | interval holding member, what was comprised from the horizontal member and the vertical member in the shape of a substantially parallel beam, the thing comprised from the two wire material which cross | intersected X shape, etc. are possible. Incidentally, in the case of the former configuration in the form of a substantially cross beam, it is possible to include a vertical member inclined in a letter C shape, and it is also possible to increase the number of installed horizontal members and vertical members. Furthermore, the contact piece provided in the coupling portion on the side of the interval holding member may be in a form substantially along the inclined plate surface of the mesh-like frame plate to be a coupling partner. Further, the number of the abutting piece portions is provided in at least one connecting portion depending on the case, and regarding the installing location, one end portion of the upper or lower lateral member constituting the interval holding member, or X It is possible to provide at the upper end part or the lower end part of one wire rod intersecting in a shape. In addition, the abutting piece is provided at both ends of the upper or lower transverse member constituting the spacing member, or is provided at the upper end or lower end of both wires crossing in the X shape. It is possible to adopt a form provided at one end of the horizontal member and the other end of the lower horizontal member, or at the upper end of one wire and the lower end of the other wire intersecting in the X shape. Further, when an intermediate lateral member is installed between the upper lateral member and the lower lateral member constituting the gap maintaining member, the intermediate lateral member is similarly brought into contact with the side on which the contact piece portion is provided. One part will be provided. In addition, the coupling portion that rotatably couples the spacing member and the mesh form plate forms a mesh form plate with a hook portion that is bent laterally at the end of the transverse member that constitutes the spacing member. It may be crimped in a state of being hooked on the vertical wire, or may be hooked by hooking a hook portion bent in the vertical direction on the horizontal wire constituting the net-like formwork plate. In addition, as the mesh formwork plate, in addition to appropriate types of wire mesh such as crimped wire mesh, welded wire mesh, and expanded metal, punching metal can also be used. It will be combined with the member side.

Further, by constituting the transverse member beneath the interval holding member from two parallel side-by-side linear member, when in the form to be movably inserted vertical wire or horizontal member constituting the reticulated formwork plate therebetween to the two linear members constituting the lateral members of the interval retaining member arranged in parallel in the horizontal direction, and forms for inserting the vertical wire mesh mold plate between them, the two linear A configuration is possible in which the members are arranged in parallel in the vertical direction, and the horizontal wire rods of the net-like formwork plate are inserted between them. In this connection, it is possible to increase the number of installed transverse members constituting the spacing member even in the above form, but in that case, a net-like shape that moves between the two linear members constituting the transverse member. It is configured so as not to restrain the movement of the formwork plate.

  Hereinafter, examples will be described. 1 to 5 show a first embodiment of the present invention, FIG. 1 is a perspective view showing a usage state of a form frame for a legal frame according to the present embodiment, and FIG. 2 is used in this embodiment. FIG. 3 is a front view showing the interval holding member. In the figure, reference numeral 1 denotes a frame for a frame according to the present embodiment, a spacing member 2 formed in a substantially cross-girder shape, and a crimp wire mesh, a weld wire mesh, and an expanded metal that are opposed to each other in a square shape on both sides thereof. It is comprised from the elongate net-like formwork plates 3 and 4 which consist of perforated members, such as appropriate | suitable types, such as a metal mesh, and punching metal. That is, a plurality of spacing members 2 are installed between a pair of net-like formwork plates 3 and 4 so that the spacing members 3 and 4 are opposed to each other in a C shape. The frame 1 for the legal frame is formed. Then, when the installation of the legal frame mold 1 on the installation surface is completed, the concrete is supplied between the mesh mold plates 3 and 4 and leaks outside through the mesh of the mesh mold plates 3 and 4. By finishing the concrete part, a frame 5 having a trapezoidal cross section is formed as shown.

As shown in FIG. 2, the spacing member 2 includes two longitudinal members 6 and 7 and two transverse members 8 and 9 arranged in a square shape in the present embodiment at their intersections. By welding, it was integrally formed in a substantially cross-beam shape. As shown in FIG. 1, the reticulated frame plates 3 and 4 are supported via joint portions formed at both ends of the upper and lower transverse members 8 and 9. In this embodiment, as shown in FIG. 2, an inclination formed by bending upward in a state substantially along the plate surface of the inclined reticulated form plate 4 serving as a coupling partner at one end of the upper lateral member 8. Jo of the contact piece 10 is provided, and detachably configured with respect to the net mold plate 4. Further, the other end portion of the upper horizontal member 8 and the both end portions of the lower horizontal member 9 constituting the other spacing members 2 and the joints between the net-like frame plates 3 and 4 are shown in FIG. The hook portions 11 to 13 bent in the horizontal direction as described above were provided, and the hook portions 11 to 13 were hooked to the vertical wires constituting the mesh-shaped mold plates 3 and 4 so as to be rotatably coupled. Incidentally, when these hook portions 11 to 13 are hooked on the vertical wire rods of the net-like formwork plates 3 and 4 and caulked, the hook portions 11 to 13 form the horizontal formwork plates 3 and 4. By positioning so as to be placed on top of the wire, the spacing member 2 can be supported by the horizontal wire. In the present embodiment, the hook portions 11 to 13 are bent in the horizontal direction, and these are hooked to the vertical wires constituting the net-like formwork plates 3 and 4 so as to be rotatably coupled. Although the case where the embodiment is adopted is shown, the hook portion is bent in the vertical direction, and is hooked to the horizontal wire constituting the mesh formwork plates 3 and 4 so as to be pivotally coupled. Forms are also possible. In the case of this embodiment, when the mold is folded, the hook portion and the vertical wire material constituting the net-like formwork plates 3 and 4 are likely to interfere with each other. It may be formed by being slightly inclined to the opposite side of the folding direction, or may be loosely coupled so that the crimped portion has a margin for folding. When the above hook part is bent in the vertical direction, the movement of the hook part along the horizontal wire is suppressed by the installation interval of the vertical wire of the mesh-like formwork plates 3 and 4.

  Next, folding and assembling of the method frame mold 1 will be described. FIG. 4 is a state explanatory view showing a state in which the method frame mold 1 according to the first embodiment can be folded, and FIG. 5 is a state explanatory view showing an assembled state. In the case of folding the frame 1 for the frame, as shown in FIG. 4, the reticulated mold plate 4 is rotated around the lower hook portion 13 to move from the contact piece 10 of the spacing member 2. In a state where the reticulated mold plate 3 and the reticulated mold plate 4 are parallel to each other, the reticulated mold plate 3 and the reticulated mold plate 4 are rotated with respect to each other through the hook portions 11 to 13. Folding is possible by shifting in parallel to the direction along the plate surface. In the case of the present embodiment, in the folded state, the reticulated form plate 3 and the reticulated form plate 4 are polymerized with the spacing member 2 sandwiched therebetween while being shifted in the vertical direction. It will be. Thus, as shown in FIG. 4, the method frame mold 1 is in a state in which the spacing member 2 and the mesh mold plates 3 and 4 are rotatably coupled via the hook portions 11 to 13. When this is stored in a warehouse or carried into the installation site, it is handled in the folded state as described above. And the frame 1 for legal frames carried in to the installation site will be assembled and used in the vicinity of the installation site. In this assembling operation, the reticulated form plates 3 and 4 are shifted in parallel to each other along the direction of the plate surface to expand to the state shown in FIG. 4, and the reticulated form plate 4 is centered on the lower hook portion 13. 5 and brought into contact with the contact piece 10 of the spacing member 2 as shown in FIG. 5, and using appropriate binding means such as a binding line from the outside of the net-like formwork plate 4 By connecting the net-like mold plate 4 and the contact piece 10, the method frame mold 1 having a trapezoidal cross section can be easily assembled.

  6 to 12 illustrate an embodiment in which the first embodiment is partially modified. In the following, in these embodiments, the same reference numerals are given to portions common to the first embodiment, and the above description is used. FIG. 6 is a front view showing the second embodiment, in which vertical members 14 and 15 arranged in parallel to the vertical direction are adopted as the vertical members constituting the interval holding member. Incidentally, the modification in the present embodiment can be commonly applied to the following embodiments. FIG. 7 is a front view showing a third embodiment, in which a lateral member 18 having contact piece portions 16 and 17 at both ends is adopted as an upper lateral member constituting the interval holding member. Incidentally, the deformation | transformation to embodiment which equips the both ends of a lower horizontal member with an abutting piece part is also possible. FIG. 8 is a front view showing the fourth embodiment, in which a horizontal member 20 having an abutting piece 19 at the end is adopted as a lower horizontal member constituting the spacing member. FIG. 9 is a front view showing the fifth embodiment. The abutting piece 21 is the same as the abutting piece 10 between the upper transverse member 8 and the lower transverse member 9 constituting the interval holding member. An intermediate lateral member 22 provided on the side is added.

  FIG. 10 is a front view showing the sixth embodiment, in which a transverse member 24 having a contact piece 23 bent downward is adopted as a transverse member constituting the spacing member. FIG. 11 is a front view showing a seventh embodiment, in which a transverse member 26 having a contact piece 25 connected in a T-shape is adopted as a transverse member constituting the interval holding member. Incidentally, with respect to the lateral member provided with the contact piece portion 23 bent downward or the contact piece portion 25 connected in a T-shape, the same development as in each of the above embodiments is possible. FIG. 12 is a front view showing the eighth embodiment, and hook portions 29 to 31 bent in the vertical direction are employed as hook portions formed at the end portions of the transverse members 27 and 28 constituting the interval holding member. Is. Even in this case, in order to avoid interference with the vertical wire rods of the net-like formwork plates 3 and 4 at the time of folding, the hook parts 29 to 31 are slightly inclined to the opposite side in the folding direction, It may be loosely coupled so as to allow a margin for folding. As described above, when the hook portions 29 to 31 formed by bending in the vertical direction are employed, the hook portions 29 to 31 are coupled so as to be pivotable by being hooked on the horizontal wires constituting the net-like formwork plates 3 and 4. Will do. Incidentally, the hook portions 29 to 31 according to the present embodiment can be developed in the same manner as the above embodiments.

FIG. 13 is a front view showing the ninth embodiment, and FIG. 14 is a bottom view thereof. In the present embodiment, as shown in the bottom view of FIG. 14, a gap is formed as a lower horizontal member that constitutes the gap maintaining member so that the vertical wire rods of the net-like formwork plates 3 and 4 can be movably inserted. The linear members 32 and 33 are arranged side by side in a set of two pieces arranged in parallel. Hook portions 34 and 35 are formed at the end portions of these linear members 32 and 33, respectively, and a gap portion is formed between the hook portions 34 and 35 and the other linear member to form a mesh type. The vertical wires of the frame plates 3 and 4 were inserted. Incidentally, in the case of the present embodiment, the linear members 32 and 33 are positioned so as to be placed on top of the horizontal wires constituting the net-like formwork plates 3 and 4, and the spacing members are held by the horizontal wires. Can be supported. FIG. 15 is a front view showing the tenth embodiment. As a lower horizontal member constituting the interval holding member, a parallel gap is formed by forming a gap through which the horizontal wire rods of the mesh-shaped form plates 3 and 4 can be movably inserted. The linear members 36 and 37 that are arranged in the vertical direction and are arranged in pairs are used. Hook portions 38 and 39 are formed at the end portions of these linear members 36 and 37, respectively, and a gap portion is formed between the hook portions 38 and 39 and the other linear member to form a mesh type. The horizontal wires of the frame plates 3 and 4 were inserted. Further, in the present embodiment, as the upper horizontal member, a horizontal member 42 provided with a hook portion 40 bent in the vertical direction at one end and a contact piece 41 at the other end is employed. The hook portion 40 is configured to be pivotably coupled by being hooked on the horizontal wire constituting the mesh-shaped form plate 3 and caulked. Incidentally, the hook portions 38 to 40 are slightly inclined to the opposite side in the folding direction in order to avoid interference with the vertical wire rods of the mesh formwork plates 3 and 4 during folding, as in the eighth embodiment. It may be formed or may be loosely coupled so that the crimped portion has a margin when folded. The movement of these hook portions 38 to 40 along the horizontal wire is suppressed by the adjacent vertical wire .

It is the perspective view which showed the use condition of the form frame for legal frames based on 1st Example of this invention. It is the front view which showed the space | interval holding member used for the Example. It is a top view of the space | interval holding member. It is the state explanatory drawing which showed the state which can fold the formwork frame for the said 1st Example. It is a state explanatory view showing the assembly state of the form frame for the same frame. It is the front view which showed 2nd Example of this invention. It is the front view which showed 3rd Example of this invention. It is the front view which showed 4th Example of this invention. It is the front view which showed 5th Example of this invention. It is the front view which showed 6th Example of this invention. It is the front view which showed 7th Example of this invention. It is the front view which showed 8th Example of this invention. It is the front view which showed 9th Example of this invention. It is the bottom view which showed the same Example. It is the front view which showed 10th Example of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Formwork for frame, 2 ... Space | interval holding member, 3, 4 ... Reticulated form plate, 5 ... Method frame, 6, 7 ... Vertical member, 8, 9 ... Horizontal member, 10 ... Contact piece part, 11 ˜13: hook portion, 14, 15: vertical member, 16, 17: abutting piece portion, 18: lateral member, 19: abutting piece portion, 20: transverse member, 21 ... abutting piece portion, 22: intermediate lateral portion 23, contact piece, 24 ... transverse member, 25 ... contact piece, 26 ... transverse member, 27, 28 ... transverse member, 29-31 ... hook part, 32, 33 ... linear member, 34, 35 ... hook part, 36, 37 ... linear member, 38-40 ... hook part, 41 ... contact piece part, 42 ... lateral member

Claims (3)

By tilting at least one of the mesh form plates opposed to each other via the spacing member, the upper portion between the mesh form plates is formed to be narrower than the lower portion so that the cross-sectional shape in the assembled state is a table. In the method frame mold configured to have a shape, the space frame forming member is formed by joining the spacing member and the mesh mold plates on both sides thereof at at least two points spaced apart from each other. together configured to, at the junction of at least one position of the spacing members side, have substantially along the plate surface of the inclined mesh mold plate with a binding partner, the reticulated formwork plate length in the vertical direction An inclined contact piece set larger than the interval between the horizontal wire members to be configured is provided so as to be able to contact and separate from the mesh mold plate, and the other spacing member and the mesh mold plate the coupling portion is rotatably coupled to, the abutment In the state in which the mesh-shaped frame plate is held in a predetermined inclined state by bringing the portion into contact with the inner surface of the inclined mesh-shaped frame plate, the joining operation of the abutting piece portion and the mesh-shaped mold plate can be performed. A frame for a legal frame, characterized by being configured as described above . By tilting at least one of the mesh form plates opposed to each other via the spacing member, the upper portion between the mesh form plates is formed to be narrower than the lower portion so that the cross-sectional shape in the assembled state is a table. In the method frame mold configured to have a shape, the space frame forming member is formed by joining the spacing member and the mesh mold plates on both sides thereof at at least two points spaced apart from each other. And an inclined contact piece portion substantially along the plate surface of the inclined reticulated formwork plate serving as a coupling partner is provided in at least one coupling portion of the upper horizontal member constituting the spacing member. A vertical wire material or a horizontal wire that constitutes the mesh-shaped form plate between the wire-like frame plates and the lower horizontal member is composed of two linear members arranged in parallel. The wire rod is movably inserted. Legal frame for the mold to be. By tilting at least one of the mesh form plates opposed to each other via the spacing member, the upper portion between the mesh form plates is formed to be narrower than the lower portion so that the cross-sectional shape in the assembled state is a table. In the method frame mold configured to have a shape, the space frame forming member is formed by joining the spacing member and the mesh mold plates on both sides thereof at at least two points spaced apart from each other. And the length of the mesh form plate in the vertical direction is substantially the same as the plate of the inclined mesh form plate to be joined to at least one joint portion on the spacing member side. An inclined contact piece portion set larger than the interval between the horizontal wire rods is provided so as to be able to come into contact with and separate from the mesh mold plate, and the inner surface of the mesh mold plate inclined with the contact piece portion The mesh form plate is brought into contact with the On held in state, the construction method of the law frame mold frame and forming a legal frame mold frame by combining and their contact piece portion and the reticular mold plate.

Images