JP2017227052A - Mold hanger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mold hanger capable of stably connecting a mold for placing concrete in a rising part.SOLUTION: A mold hanger 20 comprises a first hold rail 22 to be inserted between end surfaces of a first mold adjacently arranged in the horizontal direction, a second mold hold rail 24 to be inserted between end surfaces of a second mold adjacently arranged in the horizontal direction, a first angle 26 for connecting an upper part of the first mold hold rail 22 and the second mold hole rail 24 and height adjustment means 32 provided on the second mold hold rail 24. The first mold hold rail 22 and the second mold hold rail 24 respectively comprise joint holes 22a-22g and 24a-24d for fixing the first mold and the second mold. The height adjustment means 32 is also provided on the outside of a placing space.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a formwork hanger, and more particularly to a formwork hanger used when connecting a formwork for placing concrete on a rising portion of a foundation.

When building a building, the foundation is first formed on the ground. The foundation of the building is
(A) “Fabric foundation” made of reinforced concrete having an inverted T-shaped cross-sectional shape;
(B) Not only the rising part of the foundation, but also the entire surface of the base part is broadly divided into “solid foundations” made of reinforced concrete. The solid foundation has the disadvantage that the amount of reinforcing bars and concrete used is larger than that of the cloth foundation, but has the advantage that the process is simplified. Whether to use a fabric foundation or a solid foundation is selected in accordance with the ground strength.

In addition, as a method of forming the rising portion of the solid foundation,
(A) “Concrete” in which concrete is first placed in the base portion and then concrete is placed in the rising portion;
(B) There is “one-piece casting” in which concrete is simultaneously placed on the base portion and the rising portion. Since the single strike is seamless at the boundary between the base and the rising part,
(A) The strength of the foundation is high,
(B) Termite can be prevented from entering the inside of the foundation from the boundary line,
(C) High water blocking effect at the boundary line,
(D) Simplification of foundation work and shortening of construction period will be possible.
(E) A high precision foundation is obtained,
There are advantages such as. For this reason, solid foundations are often used for the foundation work of wooden houses.

  In the case of performing a solid foundation integrally, in order to form a rising portion on the outer periphery of the foundation, two molds having different vertical heights are opposed to each other, and an L-shaped placement space is formed. Need to form. In addition, in order to form the rising portion inside the foundation, two molds having the same vertical length are made to face each other, and the mold is suspended from the ground surface at a predetermined height. It is necessary to keep. However, in general, two molds with different vertical heights are stably supported, or the mold is supported in a suspended state from when the mold is installed to when concrete is placed. Is difficult.

In order to solve this problem, various proposals have heretofore been made.
For example, Patent Document 1 discloses that
(A) Two molds (plate-like members) made of a rigid foamed resin molded body for forming a space for placing concrete at the rising portion are arranged facing each other at a predetermined interval,
(B) By connecting the opposing surfaces of the two molds (plate-like members) with a separator, and adjusting the mold to the height of the base concrete with the support bracket,
(C) A technique for placing concrete integrally in a base concrete placing space and a concrete placing space at a rising portion thereof is disclosed.

  Further, Patent Document 2 is a spacer for installing a support tool provided with a formwork support portion for supporting a concrete foundation formwork at a predetermined height position from the bottom surface of the concrete foundation, and the support tool is placed thereon. A spacer including a placement portion and a leg portion that extends downward from the placement portion and supports the placement portion is disclosed.

As disclosed in Patent Documents 1 and 2, a member for supporting the formwork, referred to as a “support metal fitting” or “spacer” just below the formwork (hereinafter collectively referred to as “spacer”) ) Can stably support two molds with different vertical heights, or support the molds in a suspended state.
However, such spacers are embedded in the concrete and become part of the foundation. For this reason, a large number of new spacers are required each time construction is performed, and the construction cost increases. Furthermore, the spacer embedded in the concrete can cause a decrease in the strength of the concrete.

  Furthermore, if concrete is poured into the placement space after the mold is installed, the mold may be pressed by the flowing concrete, and the mold may be distorted. In order to prevent this, conventionally, a large number of reinforcing materials called “butter pipes” are installed in the vertical direction and the horizontal direction on the outer surface side of the formwork. However, the butterpipe installation work is generally a complicated work.

JP 2000-336659 A Japanese Patent Laid-Open No. 2006-075124

The problem to be solved by the present invention is that a formwork for placing concrete on a rising portion can be stably connected, is low cost, and is less likely to reduce the strength of concrete. To provide a hanger.
Further, another problem to be solved by the present invention is to simplify the installation work of the butter pipe for preventing the distortion of the formwork.

In order to solve the above problems, a form hanger according to the present invention has the following configuration.
(1) The mold hanger is
(A) Between adjacent first molds arranged horizontally along one surface of a placement space for placing concrete to form a rising portion; and (b) The other of the placement spaces. It is used for connecting between adjacent second molds arranged in the horizontal direction along the surface of.
(2) The formwork hanger is
A first formwork hold rail for insertion between the end faces of the adjacent first formwork,
A second formwork hold rail for insertion between the end faces of the adjacent second formwork,
A first angle connecting the upper part of the first formwork hold rail and the second formwork hold rail;
The height of the upper end of the first formwork and the height of the upper end of the second formwork provided at one or both of the first formwork holdrail and the second formwork holdrail are constant heights. And a height adjusting means for maintaining the height.
(3) The first formwork hold rail and the second formwork hold rail include formwork fixing means for fixing the first formwork and the second formwork, respectively.
(4) The height adjusting means is provided outside the placement space.

The formwork hanger according to the present invention is inserted between the end faces of the formwork arranged adjacent to each other in the horizontal direction, and the formwork is stably connected through the formwork fixing means. In that case, it is not necessary to install a disposable spacer directly under the formwork. Therefore, the construction cost of the foundation can be reduced, and there is little risk of reducing the strength of the concrete.
Furthermore, the mold hanger according to the present invention also functions as a reinforcement for the mold. For this reason, even when the number of butter pipes is less than that in the prior art, it is possible to suppress the distortion of the mold at the time of placing the concrete.

It is a figure which shows an example of the mold assembled using the mold hanger which concerns on this invention. It is the front view of the formwork hanger for outer periphery, a top view, and a left view. It is the front view, top view, and left view of a formwork hanger for inside. It is a top view of the formwork assembled using the formwork hanger for inside.

Hereinafter, an embodiment of the present invention will be described in detail.
[1. Formwork hanger]
[1.1. Application]
The formwork hanger according to the present invention is
(A) Between adjacent first molds arranged horizontally along one surface of a placement space for placing concrete to form a rising portion; and (b) The other of the placement spaces. It is used for connecting between adjacent second molds arranged in the horizontal direction along the surface of.

FIG. 1 shows an example of a mold assembled using the mold hanger according to the present invention. FIG. 1 shows an example of the layout of the molds for so-called “solid foundation integral strike”.
The first molds (A) 12a, 12b, and 12c are molds that are installed on the outer surface side of the rising portion formed on the outer peripheral part of the foundation. The 2nd formwork (A) 14a and 14b is a formwork installed in the inner surface side of the standup part formed in the perimeter part of a foundation, respectively. Furthermore, the 2nd formwork (A) 14c is a formwork installed in the connection point of the standup part formed in the outer peripheral part of a foundation, and the standup part formed in the inside of a foundation.
The first mold frame (B) 16, 16... And the second mold frame (B) 18, 18... Are respectively formed on one surface side of the rising portion formed inside the foundation and on the other side facing this. It is a formwork installed on the surface side.

  The lengths in the vertical direction (z direction) of the first molds (A) 12a to 12c installed on the outer periphery of the foundation are longer than those of the second molds (A) 14a to 14c, respectively. The vertical lengths of the first mold (B) 16 and the second mold (B) 18 installed inside the foundation are the same as those of the second molds (A) 14a to 14c, respectively. It has become.

The first mold frame (A) 12a and the second mold frame (A) 14a that are opposed to each other across the placement space of the rising portion formed on the outer peripheral portion of the foundation have a flat plate shape, and are in a horizontal direction (x direction, Or the length in the y direction) is the same. Similarly, the first mold frame (B) 16 and the second mold frame (B) 18 that are opposed to each other across the space for placing the rising portion formed inside the foundation have a flat plate shape and are long in the horizontal direction. Are the same.
On the other hand, the first mold (A) 12c and the second molds (A) 14b and 14c are molds installed at the corners or connection points of the rising parts, both of which are in the vertical direction (z direction). The cross section seen from is L-shaped. Further, the first mold (A) 12c, the first mold (A) 12b disposed adjacent to the first mold (A) 12c, and the horizontal direction (x direction or y) of the second molds (A) 14b and 14c. The length of each direction is determined so that when the mold is assembled, the end faces of the molds facing each other across the placement space coincide with each other.

When installing the formwork, first, the first formwork (A) 12c having an L-shaped cross section is installed at the corner on the outer surface side of the placement space in the outer periphery of the foundation. Next, first molds (A) 12b and 12b are installed in the x and y directions of the first mold (A) 12c, respectively, and the end face of the first mold (A) 12c and the first mold ( A) It connects between one end surface of 12b.
Next, the first mold (A) 12a is installed on the other end face of the first mold (A) 12b, and the end faces of the mold are connected. Hereinafter, similarly, a predetermined number of first molds (A) 12a are installed in the horizontal direction (x direction and y direction), and the end surfaces of the adjacent first molds (A) 12a are connected.

The same applies when the formwork is installed inside the foundation. That is, first, the second mold (A) 14b having an L-shaped cross section is installed at the corner portion on the inner surface side of the placement space in the outer peripheral portion of the foundation. Next, the second mold frame (A) 14a is installed in the x direction and the y direction, respectively, and the end surface of the second mold frame (A) 14b and the end surface of the second mold frame (A) 14a are connected. . Thereafter, similarly, a predetermined number of second molds (A) 14a are installed in the horizontal direction, and the end faces of adjacent molds are connected.
When forming the rising portion inside the foundation, the end surface of the second formwork (A) 14a installed in the y direction and one end face of the second formwork (A) 14c having an L-shaped cross section Are connected. Next, the other end surface of the second mold (A) 14c extending in the x direction and the end surface of the first mold (B) 16 are connected. The installation method of the second mold (B) 18 is the same.

The formwork hangers 20 and 40 according to the present invention are inserted between the end faces of the formwork arranged adjacently along the x direction or the y direction.
The formwork hanger 20 is used when a formwork for forming a rising portion is connected to the outer peripheral part of the foundation (formwork hanger for the outer periphery). Specifically, the formwork hanger 20 is disposed in the horizontal direction along the placement space and is opposed to the placement space (a) between the first formwork (A) 12a-12a and the first. 2 formwork (A) 14a-14a,
(B) between the first formwork (A) 12b-12a and between the second formwork (A) 14b-14a, or
(C) Used to connect the first formwork (A) 12a-12a and the second formwork (A) 14a-14c.

Moreover, the mold hanger 40 is used when connecting a mold for forming a rising portion in the inside of the foundation (an internal mold hanger). Specifically, the formwork hanger 40 is disposed in the horizontal direction along the placement space and is opposed to the placement space (a) between the first formwork (B) 16-16 and the first. 2 formwork (B) 18-18, or
(B) Used to connect between the first mold (A) 14c and the first mold (B) 16, and between the first mold (A) 14c and the second mold (B) 18.

  The formwork hangers 20 and 40 according to the present invention are particularly suitable as a joining tool for formwork used for integrally punching a solid foundation. However, the mold hangers 20 and 40 according to the present invention are a jig for connecting a mold when forming a fabric foundation, a jig for connecting a mold when forming a rising portion by splicing, It can also be used for formwork connecting jigs when forming foundations and boundary retaining walls, and is extremely versatile.

[1.2. Configuration of mold hanger for outer periphery]
FIG. 2 shows a front view, a plan view, and a left side view of the outer formwork hanger. In FIG. 2, the formwork hanger 20 includes a first formwork hold rail 22, a second formwork hold rail 24, first angles 26 and 26, concrete top end adjusting means 28, a second angle 30, Height adjustment means 32.

[1.2.1. First formwork hold rail]
The 1st formwork hold rail 22 is for inserting between the end surfaces of the adjacent first formwork (one formwork that is opposed to the placement space). As long as it is possible to stably connect the molds, the shape and material of the first mold hold rail 22 are not particularly limited.
In FIG. 2, a steel material having a U-shaped cross section is used for the first formwork hold rail 22. The length in the vertical direction of the first mold holding rail 22 is slightly shorter than the length in the vertical direction of the first mold (the mold installed on the outermost periphery of the foundation) 12a. In this case, a gap is formed at the lower end of the first formwork 12a. However, since the thickness of the gap is substantially equal to the thickness of the first formwork hold rail 22, even if the concrete protrudes from the gap when the concrete is placed, The amount is negligible. The width of the groove (channel) of the U-shaped first mold hold rail 22 is such that the end of the first mold 12a can be easily inserted, and the first mold can be stably formed. The width is preferably a width that can be supported.

The first formwork hold rail 22 is a formwork fixing means for fixing the two first formwork 12a, 12a installed at both ends of the formwork hanger 20 (the front side and the back side in FIG. 2). I have. The structure of the mold fixing means is not particularly limited as long as the adjacent two first molds 12a and 12a can be reliably connected.
In FIG. 2, the formwork fixing means includes joint holes 22 a to 22 g provided at a plurality of locations on the first formwork hold rail 22. Adjacent molds are usually connected by overlapping the end faces of the molds and penetrating a plurality of (usually two) connecting pins from the end face of one form to the end face of the other form. Fixed. The joint holes 22a to 22g are through holes for inserting the connecting pins. In FIG. 2, a total of seven joint holes 22a to 22g are provided and the shape thereof is an oval shape, but the number and shape of the joint holes 22a to 22g are not limited to this. However, since the position and the number of connecting pins are different for each mold, if three or more oval joint holes 22a to 22g are formed, it is possible to reliably connect even molds with different standards. It becomes possible.

[1.2.2. Second formwork hold rail]
The 2nd formwork hold rail 24 is for inserting between the end surfaces of the adjacent 2nd formwork (the other formwork which is opposed across the placement space) 14a. In FIG. 2, the vertical length of the second mold holding rail 24 is shorter than the vertical length of the first mold holding rail 22 and slightly shorter than the vertical length of the second mold 14 a. ing. In addition, the second formwork hold rail 24 is provided with joint holes (formwork fixing means) 24a to 24d for inserting the connecting pins of the second formwork 14a and 14a.
Further, the second formwork hold rail 24 is provided with height adjusting means 32. Details of the height adjusting means 32 will be described later. Since the other points are the same as those of the first formwork hold rail 22, the description thereof is omitted.

[1.2.3. First angle]
The first angles 26, 26 are for connecting the upper portions of the first mold holding rail 22 and the second mold holding rail 24. As long as the first mold holding rail 22 and the second mold holding rail 24 can be securely fixed, the shape and material of the first angles 26 and 26 are not particularly limited. In FIG. 2, the first angles 26, 26 are made of steel material having an L-shaped cross section, and the first angle is formed on the front and back surfaces of the first mold holding rail 22 and the second mold holding rail 24, respectively. 26 and 26 are fixed. The first angles 26, 26 are fixed at a position above the placement space.

[1.2.4. Concrete top edge adjustment means]
Concrete top edge adjusting means 28 is provided at the first angles 26, 26. In general, after placing concrete 76 at the rising portion, leveling mortar 78 is poured into the top end of the rising portion in order to finish the top end of the rising portion horizontally. Conventionally, the top level is adjusted by, for example, attaching a disposable level marker to a vertical reinforcing bar installed inside the foundation and placing concrete 76, and then mortar 78 until the vicinity of the tip of the level marker is almost completely buried. The method of pouring is used. Therefore, the concrete top end adjusting means 28 is not always necessary.
However, when the concrete top end adjusting means 28 is installed at the first angles 26, 26, the level is adjusted based on the first angles 26, 26. Therefore, it is more accurate than the method of attaching level markers to unstable vertical bars. You can adjust the top level. Moreover, since the concrete top end adjusting means 28 can be used repeatedly, the cost is lower than the method using a disposable level marker.

As long as the level adjustment of the top end is possible, the structure of the concrete top end adjusting means 28 is not particularly limited. In FIG. 2, the concrete top end adjusting means 28 is
(A) a fixing nut 28a joined between the opposing first angles 26, 26;
(B) a long bolt 28b screwed into the fixing nut 28a;
(C) It has the front-end | tip part 28c attached to the front-end | tip of the volt | bolt 28b.
When pouring the leveling mortar 78, the bolt 28b is rotated to adjust the position so that the tip surface of the tip 28c is at a predetermined position. When the mortar 78 is poured into the top, the level of the mortar 78 is adjusted based on the tip 28c.

[1.2.5. Second angle]
In FIG. 2, the first formwork hold rail 22 and the second formwork hold rail 24 are further connected by a second angle 30 above the first angle 26. Further, the second angle 30 is provided with a horizontal portion 30a for hitting with a hammer from the bottom to the top when the frame is disassembled. Although the 2nd angle 30 is not necessarily required, when the 2nd angle 30 is provided, there exists an advantage that a frame demolition will become easy and the formwork hanger 20 will be further reinforced.

  The installation position and structure of the second angle 30 are not particularly limited as long as it does not become an obstacle when the mold is installed and the disassembly and disassembly is easy. In FIG. 2, the second angle 30 is made of a steel material having an inverted L-shaped cross section, and the first formwork hold rail 22 and the second formwork hold rail 24 so that the inverted L-shaped horizontal portion 30 a comes to the upper end. It is fixed at the top of the.

[1.2.6. Height adjustment means]
The height adjusting means 32 is for maintaining the height of the upper end of the first mold and the height of the upper end of the second mold at a constant height. Therefore, the height adjusting means 32 is provided on one or both of the first formwork hold rail 22 and the second formwork hold rail 24. In FIG. 2, the height adjusting means 32 is provided only on the second formwork hold rail 24. The height adjusting means 32 needs to be provided outside the placement space for forming the rising portion so as not to become an obstacle when placing the concrete 76 on the rising portion.

The structure of the height adjusting means 32 is not particularly limited as long as the heights of the upper ends of the first mold frame and the second mold frame can be kept constant. In FIG. 2, the height adjusting means 32 is
(A) a support member 32a having one end joined to the side surface of the second formwork hold rail 24 and a female thread portion formed at the other end;
(B) a shaft 32b provided with a male screw part screwed into the female screw part;
It has.
The male thread portion is formed at the upper end of the shaft 32b. Since the movable range of the shaft 32b is determined by the length of the male screw portion, the optimum length of the male screw portion is selected according to the purpose. When installing the mold, the shaft 32b is rotated to position the shaft 32b so that the heights of the upper ends of the first mold and the second mold match.

  Note that the mold hanger 20 is suitable as a jig for connecting the molds for performing the solid foundation integrally, but it can also be used for other purposes. For example, the mold hanger 20 can be used not only as the foundation of a house but also as a jig for connecting a mold for forming a foundation around the store, a boundary retaining wall, and the like. Moreover, the form hanger 20 or the internal form hanger 40 mentioned later can be used also, for example, in order to connect the form for forming a fabric foundation. In this case, since the height of the upper end of the mold is maintained constant only by placing the opposing mold on the ground, the height adjustment means (the shafts 32b and 52b) may be used in a removed state.

[1.3. Configuration of internal formwork hanger]
FIG. 3 shows a front view, a plan view, and a left side view of an internal formwork hanger. In FIG. 3, the formwork hanger 40 includes a first formwork hold rail 42, a second formwork hold rail 44, first angles 46 and 46, concrete top end adjusting means 48, a second angle 50, Height adjusting means 52 and 52 are provided.

[1.3.1. First formwork hold rail]
The first formwork hold rail 42 is for insertion between the end faces of the adjacent first formwork 16 and 16. The length in the vertical direction of the first formwork hold rail 42 is the same as that of the second formwork holdrail 44 and is slightly shorter than that of the first formwork 16. The first formwork hold rail 42 is provided with a plurality of joint holes (formwork fixing means) 42a to 42d. Further, the first formwork hold rail 42 is provided with a height adjusting means 52. Since the other points are the same as those of the outer form hanger 20, description thereof will be omitted.

[1.3.2. Second formwork hold rail]
The second formwork hold rail 44 is for insertion between the end faces of the adjacent second formwork 18 and 18. The second formwork hold rail 44 is provided with a plurality of joint holes (formwork fixing means) 44a to 44d. Further, a height adjusting means 52 is provided on the second formwork hold rail 44. Since the other points are the same as those of the outer form hanger 20, description thereof will be omitted.

[1.3.3. First angle]
The first angles 46 and 46 are for connecting the upper portions of the first mold holding rail 42 and the second mold holding rail 44. Since the other points regarding the first angles 46 and 46 are the same as those of the outer shape mold hanger 20, the description thereof will be omitted.

[1.3.4. Concrete top edge adjustment means]
Concrete top edge adjusting means 48 is provided at the first angles 46, 46. Since the other points regarding the concrete top end adjusting means 48 are the same as those of the mold hanger 20 for the outer periphery, the description thereof is omitted.

[1.3.5. Second angle]
In FIG. 3, the first mold holding rail 42 and the second mold holding rail 44 are further connected by a second angle 50 above the first angle 46. Further, the second angle 50 is provided with a horizontal portion 50a for hitting with a hammer from the bottom to the top when the frame is disassembled. The other points relating to the second angle 50 are the same as those of the outer form hanger 20, and thus the description thereof is omitted.

[1.3.6. Height adjustment means]
The height adjusting means 52, 52 is for maintaining the height of the upper end of the first mold 16 and the height of the upper end of the second mold 18 at a constant height. In the internal formwork hanger 40 shown in FIG. 3, the height adjusting means 52 and 52 are installed not only on the side face of the second formwork hold rail 44 but also on the side face of the first formwork hold rail 42. . This is for making the front end of the inner mold frame having a short vertical length coincide with the height of the front end of the outer mold frame. Each of the height adjusting means 52 and 52 includes a support member 52a and a shaft 52b. Since the other points are the same as those of the outer form hanger 20, description thereof will be omitted.

FIG. 4 shows a plan view of a mold assembled using the internal mold hanger 40. As shown in FIG. 4, the mold hanger 40 is configured such that the first mold hold rail 42 is inserted between the end surfaces of the adjacent first mold frames 16, 16 and the end surfaces of the adjacent second mold frames 18, 18. It is installed so that the second formwork hold rail 44 is inserted therebetween.
Further, the tip of the shaft 52b of the height adjusting means 52 is placed on runners 72, 72 fixed to the discarded concrete surface. The runners 72 and 72 are made of a steel material having a U-shaped cross section. The runner 72 is used to prevent the shaft 52b from moving due to flowing concrete when placing concrete.

[2. Concrete placement method]
A concrete placing method using the form hanger according to the present invention will be described with reference to FIGS.
(1) First, excavate the ground directly below the portion that forms the rising portion to form a root cut hole, and lay crushed stone (not shown) or the like in the root cut hole to correct the ground.
(2) Next, after covering the entire surface of the area where the concrete is to be placed with a waterproof sheet (not shown), the discarded concrete 70 is placed on the area where the quarrying is spread.

(3) A runner 72 for receiving the tips of the shafts 32b, 52b of the height adjusting means 32, 52 is installed on the discarded concrete 70, and the runner 72 is fixed with concrete nails (not shown). Next, the first mold frame and the second mold frame are sequentially installed. At that time, after adjusting the heights of the shafts 32b and 52b, the mold hangers 20 and 40 are inserted between the end faces of the adjacent first molds and between the end faces of the second molds, and these are connected and fixed. .
(4) Reinforcing bars (not shown) are installed in the concrete 76 placement space. After the installation of the mold and the reinforcing bar is completed, a predetermined number of vertical butter pipes (not shown) and horizontal butter pipes 74 are attached to the outer periphery of the mold to reinforce the mold.

  In the example shown in FIG. 2, the horizontal butterfly pipe 74 is installed only on the first formwork hold rail 22 side, and the horizontal butterfly pipe is not installed on the second formwork hold rail 24 side. Further, in the example shown in FIG. 3, the installation of the horizontal butter pipe is omitted on both the first mold hold rail 42 side and the second mold hold rail 44 side. Conventionally, butterpipes are generally installed on the outer surface of all the molds, but the mold hangers 20 and 40 according to the present invention also function as a reinforcing material for the molds. Can be omitted.

(5) After the installation of the formwork and the reinforcing bar and the reinforcement of the formwork are completed, the concrete 76 is placed on the base part and the rising part. After the surface of the concrete 76 is leveled and the concrete 76 is stabilized, the shafts 32b and 52b are pulled out before the concrete 76 is completely solidified.
(6) After the concrete 76 is completely solidified, a mortar 78 for level adjustment is poured into the top end of the rising portion. At this time, the level adjustment of the mortar 78 is performed using the concrete top edge adjusting means 28 and 48.
(7) After the mortar 78 is completely solidified, the mold and the mold hangers 20 and 40 are sequentially removed. At this time, if necessary, if the horizontal portions 30a and 50a of the second angles 30 and 50 are struck with a hammer, even if the mold hangers 20 and 40 are in close contact with the concrete 76, the mold hangers 20 , 40 can be easily removed.

[3. Action]
The mold hangers 20 and 40 according to the present invention are inserted between the end faces of the molds arranged adjacent to each other in the horizontal direction, and the molds are stably connected via the mold fixing means (joint holes). In that case, it is not necessary to install a disposable spacer directly under the formwork. Therefore, the construction cost of the foundation can be reduced, and there is no possibility of reducing the strength of the concrete.
Furthermore, the mold hangers 20 and 40 according to the present invention also function as a reinforcement for the mold. For this reason, even when the number of butter pipes is less than that in the prior art, it is possible to suppress the distortion of the mold at the time of placing the concrete.

  Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the present invention.

  The formwork hanger which concerns on this invention can be used as a jig | tool for a formwork connection at the time of carrying out integral strike of a solid foundation.

20, 40 Formwork hangers 22, 42 First formwork hold rails 22a-22g, 42a-42d Joint holes (formwork fixing means)
24, 44 Second formwork hold rails 24a-24d, 44a-44d Joint holes (formwork fixing means)
26, 46 First angle 32, 52 Height adjustment means

Claims (6)

Formwork hanger with the following configuration.
(1) The mold hanger is
(A) Between adjacent first molds arranged horizontally along one surface of a placement space for placing concrete to form a rising portion; and (b) The other of the placement spaces. It is used for connecting between adjacent second molds arranged in the horizontal direction along the surface of.
(2) The formwork hanger is
A first formwork hold rail for insertion between the end faces of the adjacent first formwork,
A second formwork hold rail for insertion between the end faces of the adjacent second formwork,
A first angle connecting the upper part of the first formwork hold rail and the second formwork hold rail;
The height of the upper end of the first formwork and the height of the upper end of the second formwork provided at one or both of the first formwork holdrail and the second formwork holdrail are constant heights. And a height adjusting means for maintaining the height.
(3) The first formwork hold rail and the second formwork hold rail include formwork fixing means for fixing the first formwork and the second formwork, respectively.
(4) The height adjusting means is provided outside the placement space. The height adjusting means includes
A support member in which one end is joined to a side surface of the first formwork hold rail or the second formwork hold rail, and an internal thread portion is formed on the other end;
A shaft provided with a male screw portion that is screwed into the female screw portion;
The formwork hanger according to claim 1, comprising:   The said formwork fixing means is a joint hole for inserting a connecting pin penetrating between end faces of the adjacent first formwork or between end faces of the adjacent second formwork. Formwork hanger.   The formwork hanger according to any one of claims 1 to 3, further comprising a concrete top end adjusting means provided at the first angle and used for leveling the top end of the concrete. Above the first angle, further comprising a second angle connecting the first formwork hold rail and the second formwork hold rail,
The form hanger according to any one of claims 1 to 4, wherein the second angle is provided with a horizontal portion for striking with a hammer from the bottom to the top when the frame is disassembled.   The formwork hanger according to any one of claims 1 to 5, wherein the formwork hanger is used to connect the first formwork and the second formwork when the solid foundation is integrally punched.

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