JP2006152752A - Temporary holder of anchor bolt - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a temporary holder of an anchor bolt capable of surely inserting the anchor bolt into an accurate position relative to placed concrete in a short time and maintaining the inserted anchor bolt in a vertical state. <P>SOLUTION: This temporary holder is characterized by being used by being installed in a horizontal tool 10 installed and prepared in a state of extending between form materials 41 so as to insert an anchor bolt holder 20 for holding the anchor bolt 30 into the concrete 60 with the anchor bolt 30 placed from a hole 12 of the horizontal tool 10. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to provision of a temporary holder for an anchor bolt in which an anchor bolt provided on a concrete foundation can be accurately and reliably provided in a predetermined position.

  In constructing concrete foundations in various buildings, anchor bolts planted on the foundation are effectively used as means for firmly and integrally assembling the foundation and the building provided on the foundation.

  Such an anchor bolt is used as a means for assembling a building such as a base accurately and surely to the concrete foundation, and has a predetermined position in both the longitudinal direction and the width direction of the foundation. Therefore, it is necessary to provide it in a vertical state.

  From this point, the anchor bolt positioning jig shown in Patent Document 1 has been proposed.

  The anchor bolt positioning jig shown in Patent Document 1 can adjust the implantation position of the anchor bolt so as to correspond to various fabric foundations.

  By using the anchor bolt positioning jig configured as described above, each anchor bolt is set at a position where the anchor bolt is accurately positioned. A concrete cloth foundation corresponding to each purpose was constructed by pouring and compacting concrete.

  However, after setting anchor bolts to the concrete foundation construction form in this way and then driving the concrete between the forms, the foundation is constructed. There is a problem in that the anchor bolt set in advance is displaced when the concrete is poured, or the anchor bolt set vertically is inclined.

  In addition, in this method, it has been necessary to push in the driven concrete and vibrate so that the driven concrete sufficiently wraps around the peripheral portion of each anchor bolt set in the mold.

  From this point, after concrete is driven into the mold, an anchor bolt is inserted into the cast concrete at each predetermined position, and a method is provided in which the anchor bolt is installed in the planted state.

  However, in the method of inserting the anchor bolts into the concrete after the foundation concrete is driven into the formwork, a predetermined number of the anchor bolts are attached to the predetermined concrete before the concrete is hardened. The position had to be inserted vertically and each of these operations had to be completed reliably and accurately within a relatively short working time.

  In inserting the anchor bolt, the anchor bolt is accurately positioned at a predetermined position both in the length direction and in the width direction of the foundation, and is held in a vertical state so as not to fall down. Therefore, the setting of the anchor bolt requires work by many skilled workers.

Moreover, in the setting method of the anchor bolt, each work corresponding to the hardening condition of the concrete that has been driven into the formwork is required, and it was difficult to determine the timing of inserting the anchor bolt. .
5-89529

  The main problem to be solved by the present invention is that the anchor bolts provided on each foundation in the building are inserted accurately and quickly in a short time with respect to the concrete driven into the formwork. The foundation is provided with an anchor bolt that can be held accurately and maintained in a vertical position.

In order to solve the above-described problems, the present invention provides an anchor bolt holder that can detachably attach an anchor bolt;
A hole that can be inserted into the anchor bolt, and a horizontal frame that can support the anchor bolt holder in a predetermined position when the anchor bolt is inserted into the hole.
This horizontal frame can be assembled in a bridged state between the formwork materials for placing the concrete foundations facing each other so as to be positioned at the set position of the anchor bolt in the longitudinal direction of the formwork. With
The anchor bolt holder can be assembled to the horizontal member assembled to the mold so that the anchor bolt is inserted into the concrete driven between the mold members from the hole of the horizontal member. As a temporary holder for anchor bolts,

The anchor bolt temporary holder constructed in this way is in a state where it is in an appropriate hardness after the concrete to be inserted into the anchor bolt is inserted, and the anchor bolt can be inserted at an accurate position in a short time. In addition, each anchor bolt inserted into the concrete is stably maintained in a vertical state.

  Further, in the anchor bolt temporary holder configured as described above, the top end of each anchor bolt inserted into the concrete of the mold can be provided so as to be positioned in the same virtual plane. The projecting dimension of the anchor bolt from the top end of the foundation can be easily and uniformly made uniform.

  Next, in the anchor bolt temporary holder according to the above configuration, the anchor bolt holder includes an anchor bolt insertion hole penetrating in the vertical direction, and an anchor bolt inserted through the hole so as to be vertically movable is provided. In the anchor bolt temporary holder having a stopper means for maintaining it in a stopped state at a predetermined position, the anchor bolt to be inserted into the anchor bolt holder can be smoothly inserted in addition to the above features. The anchor bolt holder can be clamped at a predetermined position.

  Further, in the anchor bolt temporary holder according to the above configuration, the anchor bolt holder includes a female screw hole for screwing the male screw portion of the anchor bolt up and down, and the anchor bolt is screwed back and forth to a predetermined position. In addition to the above features, the anchor bolt that is prepared to be screwed into the anchor bolt holder can be accurately The anchor bolt holder can be maintained in a stopped state at a predetermined position.

Furthermore, in the anchor bolt temporary holder according to the above configuration, the horizontal frame includes a plate portion, and positioning means are provided as concave notched portions on the side edges of the plate portion facing each other. ,
The anchor bolt holder is provided with positioning means including a plate-like portion straddling the plate portion and a hooking piece portion suspended from the plate-like portion and hooked to the concave notched portion. In the anchor bolt temporary holder, the anchor bolt can be accurately positioned at a predetermined position on the width side of the mold in addition to the above-described features.

  Further, in the anchor bolt temporary holder according to the above configuration, the anchor bolt holder has a plate-like portion provided in the anchor bolt holder as positioning means, and the positioning means is provided on the plate portion of the horizontal frame. The anchor bolt temporary holder is provided with a standing frame-shaped portion as a positioning means for receiving the plate-shaped portion forming the anchor-shaped portion. Can be accurately positioned.

  The temporary holder for an anchor bolt according to the present invention is capable of inserting the anchor bolt in an accurate position in a short time and in a state where the anchor bolt is in an appropriate hardness after the concrete is driven. it can. Moreover, each anchor bolt inserted into the concrete can be stably maintained in a vertical state. Further, the anchor bolts can be inserted into the concrete so that the top ends of the anchor bolts are located in the same virtual plane.

  Hereinafter, the best modes for carrying out the invention will be described with reference to FIGS.

  Here, FIGS. 1 to 10 show a typical first anchor bolt temporary holder A according to the best mode for carrying out the invention. In FIG. 1, each component which comprises the temporary holder A of the said anchor bolt is isolate | separated and shown from diagonally upward, In FIG. 2, the horizontal frame 10 which comprises the temporary holder A of the said anchor bolt is shown. FIG. 3 shows the main part in a state where it is assembled to the upper part of the formwork 40, and shows the main part in a state where the anchor bolt holder 20 having the anchor bolt 30 is assembled to the horizontal frame 10, as viewed from obliquely above. ing. In FIG. 4, a typical example of a typical concrete casting formwork 40 assembled with the horizontal frame 10 is viewed obliquely from above, and in FIG. FIG. 7 is a cross-sectional view of a state in which the concrete of the base portion is placed on the mold 40, and FIG. 7 is a cross-sectional view of the state of placing the concrete of the rising portion. In FIG. FIG. 9 is an enlarged cross-sectional view of the anchor bolt 30 inserted into the cast concrete 60, and FIG. 10 shows the state in which the anchor bolt 30 is inserted and fixed. The concrete foundation 70 provided with the anchor bolt 30 is shown as viewed from obliquely above using the anchor bolt temporary holder A.

  FIGS. 11 to 14 show a second typical anchor bolt temporary holder A according to the best mode for carrying out the invention. In FIG. 11, each component which comprises the temporary holder A of the said anchor bolt is isolate | separated and shown from diagonally upward, In FIG. 12, the horizontal frame 10 which comprises the temporary holder A of the said anchor bolt is shown. FIG. 13 shows the main part in a state where it is assembled to the upper part of the mold 40, as viewed from obliquely above the main part in the state where the anchor bolt holder 20 having the anchor bolt 30 is assembled to the horizontal frame 10. ing. In FIG. 14, the state in which the anchor bolt 30 is inserted and fixed to the cast concrete 60 is shown in an enlarged cross-sectional state.

  FIGS. 15 to 17 show typical anchor bolts 30 that can be prepared in a planting state on the concrete foundation 70 using the anchor bolt temporary holder A, as viewed obliquely from above.

A typical anchor bolt temporary holder A according to the best mode for carrying out the present invention includes an anchor bolt holder 20 to which the anchor bolt 30 can be detachably attached,
A hole 12 through which the anchor bolt 30 can be inserted, and a horizontal frame 10 that can support the anchor bolt holder 20 at a predetermined position when the anchor bolt 30 is inserted into the hole 12;
Concrete foundations 70 which are provided facing each other so that the horizontal frame 10 is positioned at a predetermined setting position of the anchor bolt 30 in the longitudinal direction of the mold 40.
And can be assembled in a state of being bridged between the formwork material 41 for driving,
The anchor bolt 30 is inserted into the horizontal frame 10 assembled in the mold 40 into the concrete 60 driven between the mold materials 41 through the holes 12 of the horizontal frame 10. The holder 20 can be assembled.

  Here, the anchor bolt holder 20 constituting the anchor bolt temporary holder A has a form in which the anchor bolt 30 can be removably assembled, and the anchor bolt 30 is positioned at a predetermined position with respect to the horizontal bracket 10. As long as it can be assembled in this way, it may have any form, and may be composed of any material.

  The anchor bolt 30 can be attached to and detached from the anchor bolt holder 20 by preparing the anchor bolt holder 20 in advance with respect to the anchor bolt 30, and the concrete 60 placed between the formwork members 41. The anchor bolt 30 is assembled to the horizontal frame 10 so that the anchor bolt 30 is inserted, and the anchor bolt holder 20 is implanted in the concrete foundation 70 after the setting concrete 60 is hardened. Any configuration may be used as long as it has a configuration that can be removed from the configuration.

  Here, the horizontal frame 10 constituting the anchor bolt temporary holder A can be assembled so as to be bridged between the formwork members 41 provided facing each other, and the hole 12 through which the anchor bolt 30 can be inserted. As long as the anchor bolt holder 20 can be positioned at a predetermined position when the anchor bolt holder 20 is assembled so that the anchor bolt 30 is inserted into the hole 12, any form can be used. Good.

  Further, here, the anchor bolt 30 provided in the planted state on the concrete foundation 70 using the anchor bolt holder 20 and the horizontal bracket 10 is planted on the concrete foundation 70 and provided on the concrete foundation 70. As long as a building can be connected to the concrete foundation 70, it may be of any form and may be made of any material.

The anchor bolt temporary holder A configured as described above is in a state where it is in an appropriate hardness after the concrete 60 into which the anchor bolt 30 is inserted, and can be quickly and accurately positioned in an accurate position. 30 can be inserted, and each anchor bolt 30 inserted into the concrete 60 is stably maintained in a vertical state.

  Further, in the anchor bolt temporary holder A configured as described above, the top ends of the anchor bolts 30 inserted into the concrete 60 of the formwork 40 may be provided so as to be located in the same virtual plane. In addition, the protruding dimensions of the anchor bolt 30 from the top end of the constructed concrete foundation 70 can be easily and uniformly aligned.

  Next, in the anchor bolt temporary holder A according to the above configuration, the anchor bolt holder 20 includes an insertion hole 22 for the anchor bolt 30 penetrating in the vertical direction, and is inserted through the hole 22 so as to be movable up and down. In the anchor bolt temporary holder A having the stopper means 24 for maintaining the anchor bolt 30 in a stopped state at a predetermined position, the anchor bolt 30 is prepared to be inserted into the anchor bolt holder 20 in addition to the above features. The anchor bolt 30 can be smoothly fastened to a predetermined position in the anchor bolt holder 20.

  The stopper means 24 for fastening the anchor bolt 30 to the anchor bolt holder 20 prevents the anchor bolt 30 inserted through the anchor bolt holder 20 from moving in the vertical direction, and the anchor bolt 30 anchors the anchor bolt 30 to the anchor bolt 30. Any structure may be used as long as the fastening can be easily released when the bolt holder 20 is removed.

  Further, in the anchor bolt temporary holder A according to the above configuration, the anchor bolt holder 20 includes a female screw hole 23 through which the male screw portion 32 of the anchor bolt 30 is advanced and retracted in the vertical direction. In the anchor bolt temporary holder A configured so as to be able to be maintained in a stopped state after being screwed back and forth to a predetermined position, it is prepared to be screwed into the anchor bolt holder 20 in addition to the above features. The anchor bolt 30 can be accurately maintained at a predetermined position in the anchor bolt holder 20 in a stopped state.

Furthermore, in the anchor bolt temporary holder A according to the above-described configuration, the horizontal bracket 10 includes a plate portion 11a, and the positioning means 13 is formed in a concave notched portion on the side edges of the plate portion 11a facing each other. 13a, and
The anchor bolt holder 20 is provided with positioning means 25 having a plate-like portion 25a straddling the plate portion 11a and a hooking piece portion 25b suspended from the plate-like portion 25a and hooked to the concave notched portion 13a. In the anchor bolt temporary holder A having a certain structure, the anchor bolt 30 can be accurately positioned at a predetermined position on the width side of the mold 40 in addition to the above-described features.

  Further, in the anchor bolt temporary holder A according to the above configuration, the anchor bolt holder 20 includes a plate-like portion 25a provided in the anchor bolt holder 20 as positioning means 25, and In the anchor bolt temporary holder A having the structure in which the standing frame-like portion 13b as the positioning means 13 for receiving the plate-like portion 25c constituting the positioning means 25 is provided in the plate portion 11a, The bolt 30 can be accurately positioned at a predetermined position on the width side of the mold 40.

  The anchor bolt holder 20 is provided with a female screw hole 23, and the anchor bolt 30 is fastened to the female screw hole 23 in a screwed state, and the plate-like portion 25 c is the anchor bolt holder 20. Are provided so that the plate-like portion 25c is rotatable in the upright frame-like portion 13b. In the anchor bolt holder 20 configured as described above, the anchor bolt holder 20 is rotated to adjust the movement of the anchor bolt 30 in the vertical direction even after being assembled once. Can do.

  First, the anchor bolt temporary holder A according to the typical first embodiment shown in FIGS. 1 to 10 will be described in detail.

The anchor bolt temporary holder A according to the illustrated example includes an anchor bolt holder 20 that can detachably mount the anchor bolt 30;
A hole 12 through which the anchor bolt 30 can be inserted, and a horizontal frame 10 that can support the anchor bolt holder 20 at a predetermined position when the anchor bolt 30 is inserted into the hole 12;
The horizontal frame 10 is assembled in a state of being bridged between the formwork materials 41 for driving the concrete foundation 70 provided facing each other so as to be positioned at a predetermined setting position of the anchor bolt 30 in the longitudinal direction of the formwork 40. As well as getting
The anchor bolt 30 is inserted into the horizontal frame 10 assembled in the mold 40 into the concrete 60 driven between the mold materials 41 through the holes 12 of the horizontal frame 10. The holder 20 can be assembled.

  An example of planting the anchor bolt 30 on the concrete foundation 70 using the anchor bolt temporary holder A according to the illustrated example will be described in detail. In the illustrated example, a footing foundation is shown as a typical example of the seed concrete foundation 70.

  In the construction of the concrete foundation 70, the footwork placement formwork is usually subjected to processing necessary for erection of the formwork 40, such as cutting the groundwork and discarding concrete appropriately. In addition to refilling the soil rooted in 44, the reinforcing bars 46 of the foundation footing part 71 are arranged through the plastic spacer 45, and further, the reinforcing bars 48 that form the main reinforcement in the foundation rising part 72 are arranged, An M-type rebar 47 for embedding the formwork is provided.

  On the M-type base rebar 47 prepared in this way, the width dimension of the concrete foundation 70 is separated so that a pair of formwork members 41, in this illustrated example, a steel plate panel 41 'is attached to each other. The part 41a is built up so as to face each other.

  The steel plate panel 41 ′ has an outward flange 41b on the upper edge of the plate 41a functioning as a barrier plate, an outward flange 41c on the lower edge, and the flange on both side edges. An outward flange 41d is integrally provided so as to extend between 41b and the flange 41c, and a reinforcing plate 41d 'is appropriately provided so as to extend between the flange 41b and the flange 41c.

  A connecting spacer 42 is used to assemble the lower end portion and the upper end portion of the steel plate panel 41 ′ constituting the formwork member 41. The mold members 41 are assembled and prepared at a plurality of locations by the connecting spacers 42 so as to withstand the placing pressure of the concrete 60 driven between the mold members 41.

  Further, the built-in formwork 40 is corrected, reinforced, or the like in the formwork 40 by a supporter 43 equipped with a turnbuckle or the like.

  The horizontal bracket 10 is set on the flange 41b of each mold member 41 so as to be bridged between the respective mold members 41 thus built.

  The horizontal frame 10 used here is a rectangular shape set so that the contact plate portions 11b of both ends are placed on the upper surfaces of the flange portions 41b and 41b of the respective formwork members 41 that are built facing each other. The latching piece 14 which is comprised by the plate-shaped body 11 and contact | abuts to the said board part 41a which comprises the said each formwork material 41 is protrudingly provided in the both sides.

  The pair of engaging pieces 14 are punched in a U-shape from the center side toward the end side so as to be continuous with the plate-like body 11 on each end side of the rectangular plate-like body 11. The surface of each hooking piece 14 projecting downward is closely contacted with the surface of the plate portion 41a of the mold member 41 facing each other so that it can be hooked. It is configured.

  In the rectangular plate-like body 11, a position where the anchor bolt 30 is assembled, in the illustrated example, a hole 12 is provided in the middle of the plate-like body 11. A plate portion on the width side of the plate-like body 11 on the side serves as a support surface of the anchor bolt holder 20. The hole 12 provided in the plate-like body 11 is provided when the anchor bolt 30 provided in the anchor bolt holder 20 is inserted into the concrete 60 to be driven between the formwork material 41 through the hole 12. It is assumed to have a size that allows 30 to be easily inserted.

  Further, edges facing each other in the plate portion 11a of the plate-like body 11 provided with the hole 12 are formed as a concave notched edge portion 13a, and the concave notched edge portion 13a is provided in the anchor bolt holder 20. The engaging piece portion 25b is provided in a shape that can be conveniently accommodated, and together with the engaging piece portion 25b, the anchor bolt 30 is positioned as a positioning means 13 for positioning the anchor bolt 30 at a predetermined position.

  Using the clamp 50 to the horizontal fixture 10 having such a configuration, the formwork material at a position where the hole 12 in the horizontal fixture 10 can set the anchor bolt 30 provided in the anchor bolt holder 20 at a predetermined position. The abutting plate portions 11b at both ends are fastened to the flange portion 41b.

  The horizontal fixture 10 is attached to the mold member 41 by the clamp 50 in the horizontal fixture 10 at each predetermined position in the longitudinal direction of the mold 40 in which the horizontal fixture 10 is built. The engaging pieces 14 in the horizontal frame 10 face each other in the mold frame material 41 so as to be orthogonal to the longitudinal direction of the mold frame 40 in which the horizontal frame 10 is built so that the hole 12 is located. In this illustrated example, the surface of the plate portion 41a of the steel plate panel 41 'is in contact with the inner surface of the plate portion 41a so that the surface of the hooking piece 14 forming the plate shape comes into close contact, and in this state, the plate portion 11, the abutting plate portion 11 b and the flange portion 41 b of the steel plate panel 41 ′ are fastened and fixed using the clamp 50.

  The clamp 50 used here is placed between a U-shaped clamp body 51 having protruding arm portions 51a and 51b so as to form a pair in the vertical direction, and the U-shaped clamp body 51. And a screw rod 52 that holds the flange portion 41b and the contact plate portion 11b between the one protruding arm portion 51a. The screw rod 52 is provided on the other protruding arm portion 51b of the clamp body 51. The female screw portion 51b 'is screwed so as to be able to advance and retract, and the screw 52 is screwed using the handle 52a of the screw 52 so that the contact plate portion 52b of the screw 52 is moved to the contact plate. It can be pressed against the portion 11b.

  Next, the anchor bolt holder 20 used here includes an insertion hole 22 through which the anchor bolt 30 can be inserted in the vertical direction, and can be inserted into and removed from the holder body 21 and the anchor bolt holder 20. A stopper means 24 for maintaining the anchor bolt 30 inserted into the vertical position in a stopped state at a predetermined position, and the anchor bolt holder 20 is supported on the horizontal frame 10 and the anchor bolt. And a positioning means 25 for positioning 30 in a predetermined position with respect to the formwork 40 to be built.

  The anchor main body 21 provided in the anchor bolt holder 20 is configured in a block shape, more specifically, in a cylindrical shape in the illustrated example, and a lower end portion of the holder main body portion 21. Is provided with a plate-like portion 25a that has a length that covers the plate portion 11a of the horizontal fixture 10 in a substantially horizontal state and is assembled so as to straddle the plate portion 11a. The bolt holder 20 can be supported on the horizontal bracket 10. Then, both end portions of the plate-like portion 25a provided integrally with the holder main body portion 21 are hooking piece portions 25b bent downward substantially at a right angle, and the hooking piece portions 25b forming the pair are arranged in the horizontal direction. The anchor 10 is configured so as to be fitted to the concave notched edge 13a of the frame 10, and serves as a positioning means 25 for positioning the anchor bolt 30 together with the positioning means 13 composed of the concave notched edge 13a. And the insertion hole 22 is provided in the up-down direction so that it may communicate with this holder main-body part 21 and the plate-shaped part 25a in series.

  The positioning means 25 including the engaging piece portion 25b and the plate-like portion 25a is configured as a separate member from the holder main body portion 21, and the plate-like portion 25a of the positioning means 25 is connected to the holder main body portion 21. A hole that communicates with the insertion hole 22 provided in the above may be provided.

  The anchor bolt 30 to be used for the anchor bolt holder 20 is usually formed in any form as long as it is provided on the concrete foundation 70 and can fix the structure to the concrete foundation 70. In the illustrated example, a rod-shaped portion 31 having a straight rod shape whose upper end side is a male screw portion 32 corresponding to a predetermined length, and an arrowhead shape upward from the lower end portion of the rod-shaped portion 31. It is set as the structure provided with the anchor part 33 with which the folding state was prepared so that it might comprise.

  The steel plate panel 41 ′ having such a configuration is placed at a position where the concrete foundation 70, which is the purpose of the construction, is placed at a position where the width of the concrete foundation 70 is separated and the M-type base rebar is used using the spacer 42 and the like. 47. The horizontal frame 10 is set in a state of being bridged so as to cross between the built-in formwork 40.

  It should be noted that the horizontal frame 10 may be installed on the built-in formwork 40 efficiently when the built-in formwork 40 is built on the built-in formwork 40. The anchor bolt 30 is attached to the rising concrete 62 that is installed on the base 40 and placed on the mold 40 in a more stable state after the base concrete 61 is placed. May be inserted.

  The horizontal frame 10 in the anchor bolt temporary holder A having such a configuration, the hooking piece 14 in the horizontal frame 10 and the steel plate panels 41 ′ of the respective frame materials 41 constituting the mold 40 are mutually connected. The contact plate portion 11b of the horizontal frame 10 is placed on the flange portion 41b of the steel plate panel 41 ′ so as to contact the plate portions 41a facing each other, and the contact plate portion 11b is connected to the flange portion. It fixes to 41b using the said clamp 50. FIG.

  The horizontal frame 10 is installed in the longitudinal direction and the width direction of the built-in formwork 40, and the horizontal frame 10 is mounted at a predetermined position positioned using appropriate positioning means such as water thread. It is installed by the clamp 50 so that the hole 12 of the tool 10 is located. Specifically, the contact plate portion 11b of the plate-like body 11 in the horizontal frame 10 is positioned on the flange portion 41b of the steel plate panel 41 ′, and the flange portion 41b and the contact plate portion 11b are The handle portion 52a is turned in a state of being received between the protruding arm portions 51a and 51b of the clamp body 51, and is clamped between the contact plate portion 52b and the protruding arm portion 51a.

  In this way, the concrete 60 is placed between the molds 40 on which the horizontal frame 10 is provided. In the case where the concrete 60 is placed, when the base portion concrete 61 is already placed, the rising portion concrete 62 is placed so as to be handed over to the base portion concrete 61.

  The anchor bolt 30 is inserted into an upright state with respect to the rising portion concrete 62 placed in this way, and this is maintained in the vertical state by the horizontal frame 10 and the anchor bolt holder 20.

  Typically, the anchor bolt 30 is inserted in a state in which the anchor bolt 30 is assembled to the anchor bolt holder 20.

  The anchor bolt 30 is assembled to the anchor bolt holder 20 by moving the anchor bolt 30 from the male screw portion 31 side to the insertion hole 22 of the anchor bolt holder 20, more specifically from the lower side of the insertion hole 22. The stopper means 24 is inserted in a state in which the upper end of the anchor bolt 30 protruding upward from the insertion hole 22 has a predetermined dimension, and in this example, the anchor inserted in the insertion hole 22. The set screw 24a is screwed into the female screw hole 24b provided in the holder body 21 so as to be pressed against the side surface of the bolt 30.

The anchor bolt holder 20 provided with the anchor bolt 30 in this way is inserted into the hole 12 from the distal end side of the anchor bolt 30, and the anchor bolt 30 is inserted into the driven concrete 60. The positioning means 25 in the anchor bolt holder 20 provided with the anchor bolt 30, in the illustrated example, the engaging piece portion 25 b is connected to the concave notched edge portion 13 b which is the positioning means 13 of the horizontal frame 10. The anchor bolt holder 20 is supported on the horizontal frame 10 by fitting, and the anchor bolt 30 is installed in the placing concrete 60 in a standing state, that is, in a vertical state.

  In this state, the cast concrete 60 is cured, the fixed state to the anchor bolt 30 by the stopper means 24 is released, the anchor bolt holder 20 supported on the horizontal frame 10 is removed, and the horizontal frame 10 or By removing the formwork 40, a concrete foundation 70 as shown in FIG. 10 is formed. In this illustrated example, a configuration example of a so-called footing foundation including a footing portion 71 and a rising portion 72 is shown.

  In the concrete foundation 70 configured as described above, the anchor bolt 30 can be easily and accurately attached to the cast concrete 60 by using the horizontal frame 10 that has been positioned in advance. The provided anchor bolt holder 20 can be set, and the anchor bolt 30 can be inserted and set in a short time with respect to the cast concrete 60 that is in the most convenient condition for inserting the anchor bolt 30. In the finished concrete foundation 70, the anchor bolt 30 can be provided in a state perpendicular to a predetermined position and with a predetermined protruding dimension.

  Next, an anchor bolt temporary holder A according to a typical second embodiment shown in FIGS. 11 to 14 will be described in detail.

The anchor bolt temporary holder A according to the illustrated example includes an anchor bolt holder 20 that can detachably mount the anchor bolt 30;
A hole 12 through which the anchor bolt 30 can be inserted, and a horizontal frame 10 that can support the anchor bolt holder 20 at a predetermined position when the anchor bolt 30 is inserted into the hole 12;
The horizontal frame 10 is assembled in a state of being bridged between the formwork materials 41 for driving the concrete foundation 70 provided facing each other so as to be positioned at a predetermined setting position of the anchor bolt 30 in the longitudinal direction of the formwork 40. As well as getting
The anchor bolt 30 is inserted into the horizontal frame 10 assembled in the mold 40 into the concrete 60 driven between the mold materials 41 through the holes 12 of the horizontal frame 10. As a structure that can be assembled with the holder 20,
The horizontal frame 10 has an upright frame-shaped portion 13b as a positioning means 13, and the anchor bolt holder 20 is supported on the horizontal frame 10 and a plate-shaped portion 25c constituting the other positioning means 25 is anchored. The bolt holder 20 is provided, and the structure other than the insertion hole 22 in the anchor bolt holder 20 as a female screw hole 23 instead of the stopper means 24 in the anchor bolt holder 20 is shown in FIGS. It has the same or substantially the same configuration as the anchor bolt temporary holder A shown in the figure, and is used by being attached to the mold 40 by the same method.

  Accordingly, the same or substantially the same components as those shown in FIGS. 1 to 10 are designated by the same reference numerals and the description thereof is omitted.

  The anchor bolt holder 20 according to the illustrated example is a holder main body portion 21 having a block shape, and in the illustrated example, the anchor bolt holder 20 is provided at the lower end portion of the holder main body portion 21 having a substantially columnar shape. Is integrally provided with a plate-like portion 25c having a diameter larger than that of the hole 12 so as to form the positioning means 25, and the holder main body portion 21 and the plate-like portion 25c are integrated. A female screw hole 23 into which the male screw portion 32 of the anchor bolt 30 can be screwed is provided so as to penetrate the anchor bolt holder 20 configured to be provided in the vertical direction. The positioning means 25 is fitted with the upright plate-like portion 13 b as the positioning means 13. In the illustrated example, the plate-like portion 25c is configured to have a disk shape centered on the center of the female screw hole 23 provided in the plate-like portion 25c.

  In addition, the horizontal frame 10 according to the illustrated example has a hole 12 in the middle of the longitudinal side of the plate-like portion 11, and the plate-like portion is left in the peripheral side portion of the hole 12. The positioning frame 13 is provided with an upright frame-shaped portion 13 b that surrounds the hole 12. In the horizontal frame 10 according to the illustrated example, the standing frame-like portion 13b is provided so as to be positioned on the virtual annular line, more specifically on the virtual circular line. Then, the upright frame-like portion 13b is provided on an arc centered on the axis of the anchor bolt 30 assembled to the anchor bolt holder 20 using the horizontal frame 10, and the upright frame-like portion 13b is provided. The configuration is arranged in an annular shape.

  A plate-like portion 25c constituting the positioning means 25 in the anchor bolt holder 20 is fitted into the upright frame-like portion 13b as the positioning means 13 of the horizontal fixture 10 configured as described above, and the anchor bolt holder 20 is attached. It is supported on the horizontal fixture 10 and can be positioned at a predetermined position of the mold 40 in which the anchor bolt 30 is built.

  Further, the plate-like portion 25c as the positioning means 25 provided in the anchor bolt holder 20 is configured in a disc shape, and the plate-like portions 25 forming the disc shape are arranged in an annular shape in the horizontal frame 10. In the configuration in which the anchor bolt holder 20 is rotated, the anchor bolt 30 provided in the anchor bolt holder 20 is moved and adjusted in the vertical direction. Moreover, after the anchor bolt 30 is implanted in the concrete foundation 70, the anchor bolt holder 20 can be rotated and removed from the anchor bolt 30.

In addition, a plate-like portion 25c configured with a diameter larger than the diameter of the hole 12 is prepared as a separate member from the holder main body portion 21, and the holder-like main body portion 21 is provided on the plate-like portion 25c. A hole communicating with the female screw hole 23 may be provided, and the plate-like portion 25c may have an arbitrary shape that fits in the standing frame-like portion 13b, that is, a planar shape surrounded by the standing frame-like portion 13b. Correspondingly, a shape that fits within the upright frame-like portion 13b, for example, a planar shape that is surrounded by the upright frame-like portion 13b is a polygonal shape, and the upright frame-like portion 13b is similar to the upright frame-like portion 13b. When it is configured to have a polygonal shape that fits within the frame-like portion 13b, the anchor supported by the horizontal frame 10 by the anchor bolt holder 20 by rotating only the holding body 21. It can be moved and adjusted the belt 30 in the vertical direction.
Moreover, the said anchor bolt holder 20 can be removed from the anchor bolt 30 planted by the concrete foundation 70 by rotating the said holder main-body part 21. FIG.

  15 to 17 show still another typical anchor bolt 30. In FIG. 15, the rod-shaped portion 31 is bent upward from the lower end of the rod-shaped portion 31. In FIG. 16, the anchor bolt 30 provided with anchor portions 33 having a plurality of hook shapes upward from the lower end of the rod-like portion 31 in FIG. Further, in FIG. 17, an anchor bolt 30 provided with an anchor portion 33 having a disc-like portion and a hemispherical portion integrally provided on the lower side of the disc-like portion at the lower end of the rod-like portion 31. In any case, the anchor bolt holder 20 can be used by being assembled to the horizontal bracket 10.

The perspective view which shows the state which isolate | separated each component of the temporary holder of typical anchor bolts The principal part perspective view which shows one process which uses the temporary holder of the anchor bolt The principal part perspective view which shows the next one process using the temporary holder of the anchor bolt The perspective view which shows one process which makes the construction of the formwork which uses the temporary holder of the anchor bolt Sectional drawing which shows one process which makes erection of the formwork which uses the temporary holder of the anchor bolt Sectional drawing which shows one process of placing concrete in the formwork which uses the temporary holder of the anchor bolt Sectional drawing showing a process of casting concrete into a formwork that uses the anchor bolt temporary holder Sectional drawing which shows the state which inserted the anchor bolt into the placement concrete using the temporary holder of the anchor bolt Enlarged sectional view of the main part The perspective view which shows the concrete foundation in which the anchor bolt was provided using the temporary holder of the anchor bolt The perspective view which shows the state which isolate | separated each component of the temporary holder of another typical anchor bolt The principal part perspective view which shows one process which uses the temporary holder of the anchor bolt The principal part perspective view which shows the next one process using the temporary holder of the anchor bolt The principal part expanded sectional view which shows the state which inserted the anchor bolt into the placement concrete using the temporary holder of the anchor bolt The perspective view which shows the other anchor bolt inserted in concrete using the temporary holder of an anchor bolt The perspective view which shows the other anchor bolt inserted in concrete using the temporary holder of an anchor bolt. The perspective view which shows the other anchor bolt inserted in concrete using the temporary holder of an anchor bolt.

Explanation of symbols

A Temporary anchoring tool for anchor bolt 10 Horizontal frame 12 Hole 13 Positioning means 13a Concave notched edge 13b Standing frame-shaped part 20 Anchor bolt holder 22 Insertion hole 23 Female screw hole 24 Stopper means 25 Positioning means 25a Plate-like part 25b Engagement One part 25c Plate-shaped part 30 Anchor bolt 40 Formwork 41 Formwork material

Claims (5)

An anchor bolt holder that can detachably mount the anchor bolt; and
A hole that can be inserted into the anchor bolt, and a horizontal frame that can support the anchor bolt holder in a predetermined position when the anchor bolt is inserted into the hole.
This horizontal frame can be assembled in a bridged state between the formwork materials for placing the concrete foundation facing each other so as to be positioned at the predetermined position of the anchor bolt in the longitudinal direction of the formwork. With
The anchor bolt holder can be assembled to the horizontal member assembled to the mold so that the anchor bolt is inserted into the concrete driven between the mold members from the hole of the horizontal member. An anchor bolt temporary holder characterized by that.   The anchor bolt holder includes an anchor bolt insertion hole penetrating in the vertical direction, and stopper means for maintaining the anchor bolt inserted through the hole in a vertically movable manner in a stopped state. The temporary holder for an anchor bolt according to claim 1.   The anchor bolt holder is provided with a female screw hole for screwing the male screw portion of the anchor bolt up and down in the vertical direction so that the anchor bolt can be maintained in a stopped state while being screwed back and forth to a predetermined position. The temporary holder for an anchor bolt according to claim 1. The horizontal frame includes a plate portion, and positioning means are provided as concave notched portions on side edges of the plate portion facing each other.
The anchor bolt holder is provided with positioning means including a plate-like portion straddling the plate portion and a hooking piece portion suspended from the plate-like portion and hooked to the concave notched portion. The anchor bolt temporary holder according to claim 1, claim 2 or claim 3.   The anchor bolt holder has a plate-like portion provided in the anchor bolt holder as positioning means, and a standing frame shape as positioning means for receiving the plate-like portion forming the positioning means on the plate portion of the horizontal frame The temporary holding | maintenance tool of the anchor bolt of Claim 1, 2 or 3 characterized by the above-mentioned.

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