JP2003247347A - Support for form for wall body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide supports for a form for a wall body having a structure, the top end (front end) and the bottom end (rear end) of which can be respectively fixed easily and definitely to the form and floor surface. <P>SOLUTION: The support for supporting the form for the wall body comprises vertical batters and horizontal batters members arranged at the outer sides of a form panel and vertical end thick members for supporting arranged at their outer side. The support further comprises pipes for expandable supporting, a form linking portion equipped with a pipe linking device linking the pipe and a linking main body for linking the vertical end thick member, a base seat equipped with a pipe linking device for linking the rear end of the pipe and a base portion for fixing to the floor surface. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support member for supporting a formwork for constructing a wall of a concrete building,
In particular, the present invention relates to a support member that can be securely and firmly fixed to both the formwork and the floor surface and that is easy to install and remove.

[0002]

2. Description of the Related Art The inner wall of a concrete building is constructed by assembling a formwork, placing concrete in the formwork, and removing the formwork after the concrete has solidified. FIG. 4 shows a conventional support member for a formwork and its installation example. The formwork consists of formwork panels made of wood or veneer and must be kept vertically upright during the construction of concrete. The diagonally installed form supporting member 15 made of a pipe member is a member installed to prevent the entire form 50 from being displaced from a predetermined angle or a predetermined position or being collapsed. . The structure is such that a thin-diameter steel pipe is slidably fitted inside a large-diameter steel pipe, and two pipes are arranged so as to be expandable and contractable as a whole.
The length can be freely adjusted by appropriately taking in and out a steel pipe having a small diameter and fixing it with a pin or the like. This support member is firmly fixed to the mold and the installation surface, and the length is adjusted appropriately. In addition, a chain 1 that connects the formwork and the installation surface
Pull or loosen 7 as appropriate. By these,
Holds the vertical position of the entire formwork.

A conventional formwork 50 for building a wall is shown in FIG.
As shown in (2), the two mold frame panels 51 facing each other are arranged with a predetermined interval by the separator 52. Vertical edge thick 53 is fixed to the outside of the form panel 51 with an appropriate interval, and two lateral edge thick 54 for reinforcing the vertical edge thick 53 are set on the outer side of the vertical edge thick 53. The upper and lower parts are fixed at appropriate intervals. Vertical edge 53 and horizontal edge 54
Is fastened to the formwork panel 51 with a foam tie 55. On the outer side of the horizontal edge 54, there is a vertical edge 5 for support.
7 are aligned vertically and fixed at appropriate intervals. When concrete is cast into a formwork panel, it is necessary to withstand the load, and at the same time, it is necessary to secure a fixed and constant installation angle and predetermined position until the concrete solidifies.

The separator 52, which keeps two opposing formwork panels at a predetermined interval, is a member necessary to withstand the pressure of the cast concrete and to maintain a constant interval until the concrete solidifies. However, after the cast concrete is solidified, it remains in the concrete as metal pieces. This is not concrete and will cause problems of corrosion and deterioration. Further, in a state where both ends of the separator are exposed to air, the rate of corrosion and deterioration is so high that the inner wall surface is punched out to the extent that a dent is formed, and the dented dent portion is filled with mortar or the like to correct it. However, since this work is complicated, a method of forming a mold without using a separator has been developed.

A new construction method that does not use a separator is the support of the inner wall construction formwork disclosed in Japanese Patent Application No. 2001-233303 by the applicant. The conventional method shown in FIG. 4 is used as a method for firmly holding a new formwork panel. However, the support member 15 is installed with its upper end (tip) abutting on the supporting vertical end thick 57 and its lower end (rear end) abutting on the floor surface.
In addition to the above load, the load of the concrete to be driven is applied, so that there is a drawback that both the front end and the rear end lose the pressure of the load and easily slip off. Also, the support member 1
If 5 shifts or comes off, it will not only affect the accuracy of the completed wall body, but in the worst case, it will cause a formwork collapse accident, which was also very dangerous.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the upper end (front end) and the lower end (rear end) are securely and easily fixed to the form and the floor, respectively. It is an object of the present invention to provide a support for a wall formwork having a structure that can be formed.

[0007]

In order to achieve the above object, a support for a wall formwork according to the present invention is provided with a vertical end thickness and a lateral end thickness on the outside of a formwork panel, and further on the outside thereof. A support for supporting a wall-construction formwork having a structure in which a vertical end for support is arranged is an extendable support pipe, a pipe engagement tool for engaging the tip of the pipe, and the pipe engagement tool. A pedestal including a formwork engaging portion having an engaging body that engages with the support vertical end thicker, a pipe engaging tool that engages the rear end of the pipe, and a base portion that is fixed to the floor surface. It is composed of. In addition, the pipe has openings for engagement at both ends, a projection that is fitted into the opening at the tip of the pipe is provided in the pipe engagement tool of the formwork engagement portion, and a pipe rear fitting is provided in the pipe engagement tool of the pedestal. This is a configuration in which a protrusion that can be fitted into the opening at the end is provided in a protruding manner.

Further, the engagement main body of the formwork engaging portion has a recess for fitting with the support vertical end thickness, and bolts for fixing the support vertical end thickness on both sides of the recess. A pipe engagement tool is pivotally mounted on the side opposite to the recess of the engagement body so as to be vertically swingable, and the base of the pedestal has a bolt hole through which a bolt for fixing the floor surface is inserted. It is a structure in which the tool is pivotally mounted on the base so as to be swingable back and forth. Also, the pedestal is
In this configuration, one or a plurality of pipe engaging members that swingably support the pipe are pivotally installed in parallel with the installation surface.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiments shown in the drawings. FIG. 1 is a perspective view showing a state in which a wall body construction mold 50 is held by using the wall body mold support 1 according to the present invention. FIG. 2A is a side view of the mold engaging portion, and FIG. 2B is a plan view of the mold engaging portion.
3A is a side view of the base, and FIG. 3B is a plan view of the base. The wall formwork support 1 according to the present invention includes a pipe 10, a formwork engaging portion 20, and a pedestal 30.

The pipe 10 is an adjustable traction holding device for holding the formwork in a vertical position, as shown in FIG. 2 (a).
As shown in the left end of (b) and the upper part of FIG. 3 (a),
The front end of the pipe is firmly attached to the mold by the mold engaging portion, and the rear end is firmly fixed to the floor surface by the pedestal.
The overall structure is the same as the conventional support 15 shown in FIG. That is, it is composed of two steel pipes having different diameters, and a steel pipe having a large diameter is slidably fitted inside a steel pipe having a large diameter. The length can be freely adjusted by taking in and out a steel pipe having a small diameter and fixing it by means such as a pin (not shown). An opening that fits with the protrusion 26 of the mold frame engaging portion 20 is provided at a tip end that engages with the mold frame engaging portion 20 that will be described later, and a pedestal is provided at a rear end that engages with a pedestal 30 that will be described later. An opening is provided for fitting with the protrusion 36 of 30.

In FIG. 4, in addition to the support 15, the chain 1
Although 7 is shown as an auxiliary tow, in this embodiment, a method of attaching a plurality of pipes instead of using the chain for auxiliary is adopted. As shown in FIG. 1, although two pipes are used in this embodiment, the number of pipes to be installed is not limited to two depending on the height of the wall to be constructed, and a plurality of pipes may be used. It is also possible to attach it to a single vertical edge for support. In addition, in order to prevent the risk of misalignment and collapse, it is conceivable to reduce the installation interval of the support log. The pipes 10 used in this embodiment have the same structure.

The formwork engaging portion 20 is an engaging member for attaching the tip of the pipe 10 to the vertical thick end for support, and is shown in FIG. 2A which is a side view and FIG. 2B which is a plan view. As shown, the engaging body 21 is a rectangular H-shaped body, and a pipe engaging tool 23 pivotally supported by the engaging body having a cylindrical projection. The engagement main body 21 is made of a member having an H-shaped horizontal cross-section as shown in FIG. 2B, and has a concave portion 22 that can be fitted to the support vertical end thick 57 of the mold 50. Bolts 27 for tightening and fixing the support vertical end thickness 57 are provided on both side surfaces of the recess 22.

The pipe engaging member 23 is composed of a U-shaped member, and the tip ends of the legs are pivotably mounted on the side of the engaging body 21 facing the recess 22. Further, on the body portion of the pipe engaging member 23, on the side opposite to the leg, a projection 26 that fits into the opening at the tip of the pipe 10 is provided. In this embodiment, the projection is formed as a cylindrical projection slightly smaller than the inner diameter of the pipe. The wall formwork support 1 of the present embodiment uses two formwork engaging portions 20 above and below the vertical edge for support, but the two have the same structure.

The pedestal 30 is composed of a base 31 and two pipe engaging members 33, as shown in a side view of FIG. 3 (a) and a plan view of FIG. 3 (b). The base portion 31 has a hollow box shape, and is provided with protrusions 32 at both front and rear ends of a bottom portion which contacts the floor surface. Bolt holes 35 are formed in the protrusions 32, and bolts or screws or the like are formed. It is a structure that is firmly fixed to the floor surface with a coupling tool. The pipe engaging member 33 has the same structure as the pipe engaging member 23 of the formwork engaging portion 20 described above,
It is made of a U-shaped member, and the tips of the legs are pivotally mounted on the base 31 so as to be swingable. On the body of the pipe engaging member 35, the projection 3 that fits into the opening at the rear end of the pipe 10 in the direction opposite to the leg.
6 is provided. In this embodiment, the protrusion is formed as a cylindrical protrusion slightly smaller than the inner diameter of the pipe.

The method of installing the wall formwork support according to the present invention is as follows. First, the formwork for building the wall is assembled. Then, at the predetermined position of the support vertical end thicker 57 located on the outermost side of the formwork, the recess 22 of the formwork engaging portion 20 is formed.
And tighten the bolts 27 on both sides to
Fixed to. As shown in FIG. 1, since the wall body formwork support 1 of this embodiment has two formwork engaging portions 20, the formwork engaging portions 20 are located at two positions above and below the support vertical end thicker 57. Attach to. Next, the pedestal 30 is placed at a predetermined position on the floor. With a predetermined distance from the mold 50, the direction is adjusted so that the two pipe engaging members 33 are aligned in a straight line with respect to the mold 50, and the bolt holes 35 of the projecting portion 32 are used to remove concrete bolts or screws. Drive the fastener and fix it.

Subsequently, the pipes 10 are attached one by one. Pipe 1 adjusted to be slightly shorter than the specified length
The opening at the rear end of 0 is fitted into the protrusion 36 of the pipe engaging member 33 of the pedestal 30. Then, while the pipe 10 is being extended, the opening at the tip of the pipe 10 is fitted into the projection 26 of the formwork engaging portion 20. Furthermore, the pipe 10 as it is up to a predetermined length
Extend and screw in to fix the length of the pipe at the desired position. Similarly, another pipe 10 is attached. With the above work, the installation of the wall body formwork support 1 is completed. When removing the wall formwork support 1, the work procedure is almost the reverse of the above.

According to the embodiment of the present invention, as described above, the mold engaging portion is fixed to the mold, the pedestal is fixed to the floor surface, and the pipe is installed between the two, so that the mold can be easily operated. Supports can be installed at. Moreover, since the engagement of each member is strong, it is possible to prevent the form frame from shifting when pouring concrete,
The wall construction accuracy can be improved. Furthermore, it can prevent the formwork from collapsing and improve the safety of the work site.

The wall formwork support of the embodiment shown in the drawings has a structure in which the formwork is held by two pipes, but the height of the wallwork formwork to be used and the concrete to be cast are used. It is also possible to appropriately change the number of pipes according to the amount. That is, in the present embodiment, the number of the pipe engaging members on the pedestal is two, but this is changed to one or three or more, and the number of pipes and the number of formwork engaging portions used together are changed. . This can accommodate the construction of walls of various sizes.
As a pedestal when a plurality of pipes are installed, one or a plurality of pipe engaging members that pivotally support the pipes can be pivotally installed in parallel with the installation surface.

The wall formwork support of the present invention can be preferably used when a wall body is constructed by a conventional method.
It can be particularly suitably used as a support for the inner wall construction formwork disclosed in Japanese Patent Application No. 2001-233303 by the same applicant. In the said application, the number of separators used to keep the space between the facing formwork panels is significantly reduced, and the load of concrete trying to spread the space between the formwork is more strongly applied to the support, so that it is more rigid. This is because various types of support are required.

In the wall formwork support of the present invention, the pipe support conventionally used as the pipe 10 can be used as it is. In addition, the mold frame engaging portion 20 and the pedestal 30 have a simple structure and can be mass-produced at low cost, so that they can be easily implemented.

[0021]

The wall formwork support according to the present invention described in detail above has the following features: 1. A member which can be fixed to the formwork side and the floor side, respectively, at both ends of the support which has been made up of only conventional pipes. By adding, it became possible to firmly hold the formwork. Further, since these members can be attached to and detached from the pipe, it is easy to install the entire support. 2. The members can be firmly connected by a simple operation of fitting the openings at the front and rear ends of the pipe into the mold engaging portion and the protrusion of the pedestal. Moreover, since many conventional pipe supports have openings at both ends, they can be used as they are as pipes.

3. By fitting the support vertical end thickness into the concave portion of the formwork engaging portion and tightening it with bolts, the support can be easily and firmly fixed. The pedestal can also be firmly fixed to the floor surface with bolts. In addition, by making the pipe engaging members of the form frame engaging portion and the pedestal movable,
The degree of freedom when installing the support increases. 4. Since a plurality of pipes can be attached to the pedestal, a plurality of pipes can be added when constructing a high wall in addition to the embodiment shown in the drawings. Also, a single pipe is possible.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a wall formwork is held using a wall formwork support according to the present invention.

FIG. 2A is a side view of a mold engaging portion. (B) A plan view of the mold engaging portion

FIG. 3 (a) Side view of pedestal (B) Plan view of the pedestal

FIG. 4 is a side view showing a conventional support and its installation example.

[Explanation of symbols]

1 Support for wall formwork 10 pipes 15 Support members 17 chains 20 Formwork engaging part 21 Engaging body 22 recess 23, 33 Pipe engagement tool 26, 36 protrusion 27 volts 30 pedestals 31 base 32 protrusion 35 bolt holes 50 formwork 51 formwork panel 52 separator 53 Vertical edge 54 wide edge 55 form tie 57 Vertical edge for support

Claims (4)

[Claims] 1. A support for supporting a wall-building formwork having a structure in which a vertical end thickness and a lateral end thickness are provided outside a formwork panel, and a support vertical end thickness is provided outside the formwork panel. A formwork engaging portion including a stretchable support pipe, a pipe engagement tool that engages a tip end of the pipe, and an engagement body that engages the pipe engagement tool with a vertical length for support. A support for a wall formwork, comprising: a pedestal having a pipe engaging member for engaging a rear end of the pipe and a base portion fixed to a floor surface. 2. The pipe has openings for engagement at both ends, and a projection engaged with the opening at the tip of the pipe is provided in the pipe engagement tool of the formwork engagement portion, and a pipe engagement tool of the pedestal. The wall body formwork support according to claim 1, wherein a projection that can be fitted into the opening at the rear end of the pipe is provided in the projection. 3. The form engaging part of the formwork engaging part has a recess for fitting with the support vertical end and a bolt for fixing the support vertical end on both sides of the recess. The pipe engaging tool is pivotally provided on the side opposite to the recess of the engaging body so as to be vertically swingable, and the base of the pedestal has a bolt hole through which a bolt for fixing the floor surface is inserted. The support for wall formwork according to claim 1 or 2, wherein the fitting is pivotally mounted on the base so as to be capable of swinging back and forth. 4. The pedestal is characterized in that one or a plurality of pipe engaging members for pivotably supporting a pipe are pivotally installed in parallel to an installation surface. Support for wall formwork described in.