JP5232259B2 - Column base bracket - Google Patents

Description

  The present invention relates to a column base bracket for connecting a foundation and a column.

  In order to connect the foundation and the pillar, a metal fitting called a column base metal fitting has been used conventionally (see, for example, Patent Document 1).

  Briefly describing this column base bracket, an anchor bolt connecting portion that connects to an anchor bolt protruding on the foundation is provided at the lower portion, and a relief portion that is inserted into a relief hole formed at the bottom portion of the column that is erected on the foundation is provided. The insertion portion is provided with an insertion hole that communicates with a locking hole provided in the pillar when the relief portion is inserted into the relief hole of the column. The column can be connected to the ridge portion by driving and locking the drift pin into the locking hole and the insertion hole from the side of the column.

JP 2002-294875 A

  In this type of column base bracket, for the purpose of improving workability when driving the drift pin, the hole diameter of the insertion hole provided in the hoso is set to be slightly larger than the outer diameter of the drift pin. .

  However, the gap generated between the insertion hole and the drift pin due to this dimensional difference causes rattling, and there is a concern that this rattling may cause inaccuracy of the connecting position of the columns and decrease the structural strength.

  Therefore, in order to eliminate such a concern, a technique called “attraction” may be implemented.

  Briefly explaining this “pulling”, for example, the insertion hole is formed so as to be positioned more on the base side (lower side) than the insertion hole and the diameter difference difference portion of the drift pin. When the drift pin is driven into the hole and the locking hole of the column, the upper outer peripheral surface of the drift pin is just in contact with the upper hole edge of the insertion hole so that the column is pulled toward the foundation. According to this configuration, since the rattling does not occur between the insertion hole and the drift pin, the above-mentioned concern is solved.

  However, this “pulling” requires high accuracy in the position where the insertion hole is formed in the relief portion, and even if the positional accuracy of the insertion hole can be ensured, the connecting pillar (wood) shrinks due to drying. Since the positional relationship between the insertion hole and the locking hole is distorted, it is not easy to implement such as it is necessary to use quality wood that does not easily shrink.

  The present invention has been developed in view of such a current situation, and draws a column without requiring high accuracy in the formation position of the insertion hole of the relief portion or depending on the quality of the column. It provides an epoch-making column base bracket that can perform the same function as.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A horn part 5 that can be inserted into a boss hole 14 formed in the bottom of a pillar 13 standing on the foundation 1 or on a base installed on the foundation 1 in a metal fitting body 4 that can be connected and fixed to the foundation 1. And the insertion hole 6 that communicates with the engagement hole 15 provided in the column 13 when the insertion part 5 is inserted into the elevation hole 14. In the column base metal fitting configured to insert the locking body 16 into the insertion hole 6 from the side of the column 13 through the side 15 and the insertion hole 6 so as to connect the hoso part 5 and the column 13, the locking hole 15 and the When the locking member 16 is inserted into the insertion hole 6 and the tenon portion 5 and the column 13 are connected, the push-up mechanism portion 7 is provided to push the column 13 upward with respect to the tenon portion 5. It relates to a column base metal fitting.

  Further, the push-up mechanism section 7 is provided with a rotating body 8 that is screwed to the screw section 3 to be screwed up, and is rotated by rotating the rotating body 8 and screwing up the screw section 3. 2. The column base bracket according to claim 1, wherein the moving body is configured to push up the column.

  Further, the push-up mechanism section 7 is provided at the lower part of the metal fitting body 4 so that the push-up mechanism section 7 is disposed between the foundation 13 or the base installed on the foundation 1 and the pillar 13. The push-up mechanism section 7 includes a rotating body 8 that is screwed onto the screw section 3 and is screwed up, and a seat plate body 9 that supports the bottom of the column 13. The rotating body 8 is configured to push up the pillar 13 through the seat plate body 9 by being rotated and screwed up with respect to the screw portion 3. It relates to the column base metal fittings described in the section.

  Further, an anchor bolt connecting portion 10 that can be connected to an anchor bolt 2 protruding on the foundation 1 is provided at the lower part of the metal fitting body 4, and the anchor bolt connecting portion 10 and the anchor bolt 2 are connected to connect the metal fitting body. 4 is configured to be connected and fixed to the foundation 1, and the push-up mechanism portion 7 is provided with a rotating body 8 that is screwed to the screw portion 3 of the anchor bolt 2 that is connected to the anchor bolt connecting portion 10. The rotating body 8 is configured to be pushed up the pillar 13 by rotating the rotating body 8 to be screwed up with respect to the screw portion 3. This relates to the column base bracket described in 1.

  In addition, an anchor bolt connecting portion 10 that can be connected to an anchor bolt 2 protruding on the foundation 1 is provided in the lower portion of the metal fitting body 4, and this anchor bolt connecting portion 10 has a connecting hole through which the anchor bolt 2 is inserted. 11 is provided in the lower part of the metal fitting body 4 and the nut 12 is screwed into the anchor bolt 2 that is inserted through the connecting hole 11 and protrudes upward, so that it can be connected to the anchor bolt 2. Is provided with a rotating body 8 that is screwed to the screw portion 3 at the tip of the anchor bolt 2 that protrudes upward from the connecting hole 11 of the anchor bolt connecting portion 10 and supports the bottom portion of the column 13. 5. The rotating body 8 is configured to push up the pillar 13 by rotating the screw 8 and screwing up the screw part 3. 5. It relates to the column base bracket .

  In addition, an anchor bolt connecting portion 10 that can be connected to an anchor bolt 2 protruding on the foundation 1 is provided in the lower portion of the metal fitting body 4, and this anchor bolt connecting portion 10 has a connecting hole through which the anchor bolt 2 is inserted. 11 is provided in the lower part of the metal fitting body 4 so that the anchor bolt 2 can be inserted into each of the plurality of connecting holes 11, and is inserted into the plurality of connecting holes 11 and protrudes upward. The nut 12 is screwed to each of the plurality of anchor bolts 2 so that the anchor bolt connecting portion 10 can be connected to the anchor bolt 2, and the push-up mechanism portion 7 extends upward from each of the plurality of connecting holes 11. A rotating body 8 is provided which is screwed to the threaded portion 3 at the tip of the plurality of anchor bolts 2 to support the bottom of the column 13, and the plurality of rotating bodies 8 are rotated to be screwed onto the screwed portion 3. By moving up, Those number of the rotating body 8 of the pedestal bracket according to any one of claims 1 to 5, characterized by being configured so as to push up the pillar 13.

  Since the present invention is configured as described above, it is possible to push up the column connected to the ridge portion using the locking body upward with respect to the ridge portion by the push-up mechanism portion. In the configuration where the outer diameter of the locking body is set larger than the outer diameter of the locking body and a gap is formed between the insertion hole and the locking body, the outer peripheral surface of the locking body is lifted by pushing up the column with the push-up mechanism. It can be brought into contact with the hole edge of the insertion hole without fail, and this realizes a function that is equivalent to pulling the pillar and realizes a column connection structure that does not cause inaccuracy of the connection position of the column with respect to the foundation and does not lower the structural strength. It is an epoch-making column base metal fitting that is extremely practical.

  In the invention according to claim 2, the column base metal fitting having a structure excellent in practicality and operability that can push up the column only by rotating the rotating body with respect to the screw portion.

  In the invention according to claim 3, the bottom of the column can be stably supported by the seat plate and pushed up by the rotating body, and the bottom of the column can be reliably prevented from being damaged by the rotating body to be rotated. In addition, even if there is a gap between the bottom of the column and the seat plate due to the secular change of the column, it is possible to eliminate this gap by raising the seat plate. It becomes a column base metal fitting of composition.

  In the inventions according to claims 4, 5 and 6, the anchor bolt projecting on the foundation can be used to securely connect and fix the metal fitting body to the foundation, and the anchor bolt projecting from the foundation It is possible to provide a column base metal fitting having a more excellent practicality, such as making it possible to easily design a push-up mechanism that pushes up a column using a screw portion.

  Further, in the inventions according to claims 5 and 6, the anchor bolt connecting portion that can be securely connected to the anchor bolt can be easily designed and realized by a simple configuration. It becomes a column base metal fitting having a structure more excellent in practicality, such as being able to support the bottom of the column very stably by the rotating body.

It is a description perspective view which shows the state which is going to connect and fix based on a present Example. It is explanatory perspective view which shows the state which is going to mount | wear with a rotation body and a seat board body, after connecting and fixing to a foundation in a present Example. FIG. 6 is an explanatory perspective view showing a state in which the column is lowered from above and the ridge portion is about to be inserted into the column hole of the column after the rotating body and the seat plate body are mounted and fixed to the foundation according to the present embodiment. It is a description perspective view which shows the state which connected the pillar to the relief part of a present Example. FIG. 5 is a partially enlarged explanatory front view of FIG. 4. It is a partial expanded explanation front view which shows a mode that a rotating body is rotated and a rotating body pushes up a pillar via a seat board body of a present Example.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  The bracket body 4 is connected and fixed to the foundation 1, and the pillar 13 is mounted on the foundation 1 or on the foundation installed on the foundation 1 by inserting the relief portion 5 of the bracket body 4 into the relief hole 14 at the bottom of the pillar 13. Is inserted, and the insertion hole 6 of the relief portion 5 and the locking hole 15 of the column 13 are communicated, and the locking body 16 is inserted from the side of the column 13 into the inserted insertion hole 6 and the locking hole 15. By doing so, when the hoso part 5 and the column 13 are connected, the column 13 is connected and fixed in an upright state on the foundation 1 or on the foundation installed on the foundation 1 via the main column bracket.

  Further, according to the present invention, the pillar 13 connected to the ridge portion 5 can be pushed upward with respect to the ridge portion 5 by the push-up mechanism portion 7.

  Then, as the pillar 13 is pushed upward, the locking body 16 inserted through the locking hole 15 also moves upward. For example, the upper outer peripheral surface of the locking body 16 is inserted through the ridge portion 5. When the pillar 13 is pushed up until it comes into contact with the upper edge of the hole 6, the rattling between the locking body 16 and the insertion hole 6 is eliminated.

  Therefore, for example, the hole diameter dimension of the insertion hole 6 is set to be larger than the outer diameter dimension of the locking body 16 as in the existing column base metal fitting, and a gap is generated between the insertion hole 6 and the locking body 16. However, by pushing up the column 13 by the push-up mechanism 7, the outer peripheral surface of the locking body 16 can be reliably brought into contact with the hole edge of the insertion hole 6, and the play at this portion can be eliminated.

  That is, according to the column base bracket of the present invention, the function equivalent to pulling the column 13 is exhibited, the column 13 can be connected to the foundation 1 with high positional accuracy, and the column 13 is connected to the foundation 1. On the other hand, a high-strength column connection structure that immediately exhibits a proof strength against a load that is pulled upward is realized.

  Further, for example, the push-up mechanism portion 7 is provided with a rotating body 8 that is screwed to the screw portion 3 to be screwed up, and the rotating body 8 is rotated to be screwed up with respect to the screw portion 3. If the rotating body 8 is configured to push up the column 13, the column 13 can be pushed up by a simple operation of rotating the rotating body 8.

  Further, for example, the push-up mechanism portion 7 is provided at the lower portion of the metal fitting body 4, and the push-up mechanism portion 7 is disposed between the foundation 1 or the base installed on the foundation 1 and the pillar 13. The push-up mechanism section 7 is provided with a rotating body 8 that is screwed onto the screw section 3 to be screwed up and a seat plate body 9 that supports the bottom of the column 13. If the rotating body 8 is configured to push up the column 13 via the seat plate body 9 by rotating the screw 8 to be screwed up with respect to the screw portion 3, the bottom portion of the column 13 is the seat plate body 9. Since the rotating body 8 pushes up the column 13 through the seat plate body 9, the bottom of the column 13 is prevented from being damaged by the rotating body 8 that is rotated. .

  In addition, there is a possibility that the pillar 13 contracts due to secular change and a gap is generated between the bottom of the pillar 13 and the seat plate body 9. In such a case, the pivot body 8 is rotated to operate the seat plate body. By raising 9, the gap can be eliminated.

  Further, for example, an anchor bolt connecting portion 10 that can be connected to an anchor bolt 2 protruding on the foundation 1 is provided at the lower part of the metal fitting body 4, and the anchor bolt connecting portion 10 and the anchor bolt 2 are connected. The metal fitting body 4 is configured to be connected and fixed to the foundation 1, and the push-up mechanism portion 7 is provided with a rotating body 8 that is screwed to the screw portion 3 of the anchor bolt 2 connected to the anchor bolt connecting portion 10. Then, by rotating the rotating body 8 and screwing it upward with respect to the screw portion 3, if the rotating body 8 pushes up the column 13, the anchor bolt connecting portion 10 protrudes on the foundation 1. The metal fitting body 4 can be connected and fixed to the foundation 1 by being connected to the anchor bolt 2 to be operated, and the rotating body 8 screwed to the screw portion 3 of the anchor bolt 2 protruding from the foundation 1 is operated to rotate. The column 13 can be pushed up by.

  Specific embodiments of the present invention will be described with reference to the drawings.

  The present embodiment is a column base metal fitting for connecting a foundation 1 and a pillar 13, and an anchor bolt connecting portion 10 that can be connected to an anchor bolt 2 protruding on the foundation 1 is provided at the lower part of the metal fitting body 4. On the upper part of the main body 4, there is provided a relief portion 5 that can be inserted into a relief hole 14 formed at the bottom of a column 13 erected on the foundation 1.

  Specifically, the metal fitting body 4 of the present embodiment is placed on the upper surface of the rectangular plate-shaped mounting plate portion 17 that can be mounted and abutted directly on the upper surface of the foundation 1 or the upper surface of the base installed on the upper surface of the foundation 1. The rectangular plate 5 having a plate surface in a direction perpendicular to the plate surface of the mounting plate portion 17 and having a longitudinal direction as a longitudinal direction is configured to project in a standing state. .

  Further, the tenon portion 5 of the present embodiment is formed in a plate-like body having a thickness greater than that of the mounting plate portion 17, and the tenon portion 5 is provided at a plurality of locations (ten in the drawing) above the middle portion of the tenon portion 5. The insertion holes 6 that penetrate the portion 5 in the thickness direction are formed, and the plurality of insertion holes 6 are a plurality of holes provided in the pillar 13 when the relief portion 5 is inserted into the relief hole 14 of the pillar 13. It is formed at a position communicating with the locking hole 15.

  On the other hand, the pillar 13 shown in the figure has a square hole shape corresponding to the shape of the relief portion 5, and when the relief portion 5 is inserted into the relief hole 14, Both are configured so as to be prevented from rotating, and at this time, the formation position of the locking hole 15 with respect to the column 13 is set and configured so that the insertion hole 6 and the locking hole 15 can communicate with each other.

  The plurality of insertion holes 6 have a diameter slightly larger than an outer diameter of a drift pin (hereinafter referred to as a drift pin 16) as a locking body 16 inserted through the insertion hole 6. It is configured so that the drift pin 16 can be inserted through the insertion hole 6 without resistance.

  Accordingly, when the ridge portion 5 is inserted into the ridge hole 14, the locking hole 15 and the insertion hole 6 can be communicated with each other, and the side of the column 13 is connected to the communication between the engagement hole 15 and the insertion hole 6. By inserting the drift pin 16 from the top, the side portion 5 and the column 13 can be connected. In the drawing, the case where the drift pins 16 are inserted through all of the communicating locking holes 15 and the insertion holes 6 is shown. However, the minimum number of drift pins 16 that can ensure the required strength may be inserted. good.

  In addition to the plate-like body shown in the present embodiment, the tenon portion 5 may be constituted by a pipe-like body (hozo-pipe) as described in Patent Document 1, or may have another shape. good.

  Further, the anchor bolt connecting portion 10 of this embodiment is provided with connecting holes 11 through which the anchor bolts 2 are inserted in the four corners of the mounting plate portion 17 at the lower part of the metal fitting body 4 in a vertically penetrating manner. The anchor bolt 2 (foundation 1), the metal fitting body 4 and the anchor bolt 2 are screwed into the anchor bolts 2 inserted through the connecting holes 11 and protruded upward from above the mounting plate portion 17. Can be connected. Reference numeral 18 in the figure denotes a washer.

  On the other hand, in the illustrated foundation 1, a plurality of (four in the drawing) anchor bolts 2 project at the connecting positions of the pillars 13 corresponding to the connecting holes 11 at the four corners (four places) of the anchor bolt connecting portion 10. It is configured.

  Therefore, the anchor bolt connecting portion 10 is configured that can securely fix the metal fixture body 4 to a plurality of (four) anchor bolts 2 at a plurality of locations (four locations).

  In this embodiment, when the drift pin 16 is inserted into the locking hole 15 and the insertion hole 6 to connect the hoso part 5 and the pillar 13, the pillar 13 is moved upward with respect to the hoso part 5. A push-up mechanism section 7 that pushes up is provided.

  Specifically, the push-up mechanism portion 7 is provided in the lower part of the metal fitting body 4, and the push-up mechanism portion 7 is disposed between the foundation 13 or the base installed on the foundation 1 and the pillar 13. The push-up mechanism section 7 is provided with a rotating body 8 that is screwed onto the screw section 3 to be screwed up and a seat plate body 9 that supports the bottom of the column 13. The rotating body 8 is configured to push up the column 13 through the seat plate body 9 by rotating the screw 8 to be screwed up with respect to the screw portion 3.

  More specifically, the rotating body 8 is configured by adopting a hexagonal nut having a length (height) longer than the nut 12, and the rotating body 8 is located above the connecting hole 11 of the anchor bolt connecting portion 10. The plurality of anchor bolts 2 projecting to the end are screwed to the screw portions 3 on the tip side of the nut 12, and the height of the plurality of (four in the drawing) rotating bodies 8 is adjusted to match the seat plate. The lower portion of the body 9 can be stably supported with high load resistance.

  Further, the seat plate body 9 is formed of a rectangular flat plate having the same shape as the mounting plate portion 17 so that the bottom portion (bottom surface) of the column 13 can be stably placed and supported on the upper surface of the seat plate body 9. In addition, a plurality of locations (four corners) on the lower surface of the seat plate body 9 are supported by the rotating body 8, and the center portion of the seat plate body 9 has a shape in plan view of the ridge portion 5. A substantially matching rectangular guide hole 19 is formed so as to pass therethrough, and by inserting the ridge portion 5 into the guide hole 19, the ridge portion 5 can be moved up and down, and the seat plate 9 can be moved up and down in the ridge portion 5. It is configured so that it can be attached.

  Accordingly, when the plurality of rotating bodies 8 are rotated with respect to the screw portion 3 of the anchor bolt 2 and moved up and down, the seat plate body 9 is provided so as to move up and down. Then, each rotating body 8 is configured to push up the column 13 through the seat plate body 9. In addition, the pillar 13 may shrink due to secular change and create a gap between the bottom of the pillar 13 and the seat plate body 9. It is set as the structure which can eliminate the said clearance gap by raising the body 9. FIG.

  Further, in this embodiment, when the metal fitting body 4 is connected and fixed on the foundation 1, the lower portion of the seat plate body 9 is supported at a position higher than the tip of the anchor bolt 2 protruding upward from the connection hole 11. Thus, a seat plate support portion 20 that prevents the seat plate body 9 from moving downward is provided.

  Specifically, small plate pieces 21 are provided in an upright position at several locations (six locations in the drawing) on the top surface of the mounting plate portion 17 described above, and the seats are formed at the upper edge portions of the plurality of small plate pieces 21. The seat plate support portion 20 that can support the lower surface of the plate body 9 is configured.

  Further, the small plate piece 21 constituting the seat plate support part 20 is formed in a shape in which the respective upper edges are parallel to the upper surface of the mounting plate part 17, while unifying the respective heights. When the lower surface of the seat plate body 9 is supported on the upper edge portion of each small plate piece 21, the seat plate body 9 is supported in a state parallel to the placement plate portion 17, and the connection between the placement plate portion 17 and the connection plate portion 17 is performed. A gap portion in which the screw portion 3 at the tip end portion of the anchor bolt 2 protruding upward from the hole 11 can be disposed is formed.

  Further, when the column 13 is supported on the seat plate body 9 supported by the seat plate support portion 20 and the boss portion 5 of the metal fitting body 4 is inserted into the horn hole 14 at the bottom of the column 13, the insertion hole of the horn portion 5 is inserted. The support height of the seat plate body 9 by the seat plate support portion 20 is set and configured so that 6 and the locking hole 15 of the column 13 are just in communication.

  Accordingly, the seat plate body 9 is mounted on the metal fitting body 4 and supported by the seat plate support portion 20, and the tenon portion 5 of the metal fitting body 4 is inserted into the tenon hole 14 at the bottom of the column 13 on the seat plate body 9. Just by placing and supporting the bottom of the column 13, the insertion hole 6 and the locking hole 15 are in communication and ready to drive the drift pin 16, and the insertion hole 6 and the locking hole 15 are aligned. Therefore, it has a construction excellent in workability that does not require the effort to communicate.

  Next, a method of using the column base bracket of the present embodiment configured as described above (a method of connecting the foundation 1 and the column 13) will be described. The drawing shows the case where the pillar 13 is erected directly on the foundation 1, but this embodiment can also be used when a foundation is installed on the foundation 1 and the pillar 13 is erected on this foundation. (When the column 13 is erected on the base, the anchor bolt 2 penetrates the base and protrudes upward, and the mounting plate portion 17 is directly mounted on the upper surface of the base to anchor the main column base bracket. Connect and fix to bolt 2).

  First, the four anchor bolts 2 projecting from the upper surface of the foundation 1 are inserted into the connection hole 11 to place the mounting plate portion 17 of the metal fitting body 4 on the upper surface of the foundation 1, and upward from the connection hole 11. The metal fitting body 4 is connected and fixed on the foundation 1 by screwing and tightening a nut 12 from above the mounting plate 17 to the protruding screw portion 3 of each anchor bolt 2.

  Next, after the rotating body 8 is screwed onto the screw portion 3 on the tip side of each anchor bolt 2, the seat plate body 9 is mounted above the rotating body 8 and the seat plate body 9 is supported by each rotating body 8. The tenon portion 5 of the metal fitting body 4 is inserted into the tenon hole 14 at the bottom portion of the column 13, and the bottom portion of the column 13 is supported on the seat plate 9 and the column 13 is erected on the foundation 1.

  Next, the drift pin 16 is driven from the side of the column 13 and inserted into the insertion hole 6 of the flange portion 5 and the locking hole 15 of the column 13 which are brought into communication by supporting the bottom of the column 13 in the insertion hole 6. By doing so, the side portion 5 and the pillar 13 are connected.

  Next, each rotating body 8 is rotated and screwed up with respect to the screw portion 3 of the anchor bolt 2 to push up the column 13 through the seat plate body 9, and the upper outer periphery of the drift pin 16 inserted through the column 13. When the surface is brought into contact with the upper hole edge of the insertion hole 6 of the relief portion 5, the play between the drift pin 16 and the insertion hole is eliminated.

  Therefore, in the case of the present embodiment, since the hole diameter dimension of the insertion hole 6 is set larger than the outer diameter dimension of the drift pin 16, a gap is formed between the insertion hole 6 and the drift pin 16. The rattling can be eliminated by pushing up the column 13 by the push-up mechanism 7 so that the upper outer peripheral surface of the drift pin 16 is brought into contact with the upper hole edge of the insertion hole 6. Can be coupled with high positional accuracy, and even when a load is applied that causes the column 13 to be pulled upward with respect to the foundation 1, the load resistance against this load is immediately exhibited.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS 1 Foundation 2 Anchor bolt 3 Screw part 4 Metal fitting body 5 Side part 6 Insertion hole 7 Push-up mechanism part 8 Rotating body 9 Seat plate body
10 Anchor bolt connection
11 Connecting hole
12 Nut
13 pillars
14 Hose hole
15 Locking hole
16 Locking body

Claims (6)

  A bracket body that can be connected and fixed to the foundation is provided with a relief section that can be inserted into a relief hole formed on the bottom of a pillar that is erected on the foundation or on a foundation installed on the foundation. An insertion hole that communicates with the locking hole provided in the column when the horizontal portion is inserted into the horizontal hole is provided, and the communicating locking hole and the insertion hole are locked from the side of the column. In the column base metal fitting configured to connect the column part and the column by inserting the body, the locking unit is inserted into the locking hole and the insertion hole to connect the column part and the column. A column base bracket comprising a push-up mechanism portion that pushes the column upward with respect to the ridge portion.   The push-up mechanism portion is provided with a rotating body that is screwed to the screw portion and is screwed up, and the rotating body is pushed up with respect to the screw portion by rotating the rotating body so that the rotating body pushes up the column. The column base metal fitting according to claim 1, which is configured as follows.   The push-up mechanism is provided at a lower portion of the metal fitting body, and is configured such that the push-up mechanism is disposed between the foundation or a base installed on the foundation and the pillar. Is provided with a rotating body that is screwed and raised by screwing to the screw portion, and a seat plate that supports the bottom of the column, and the rotating body is rotated and screwed and raised to the screw portion. The column base bracket according to any one of claims 1 and 2, wherein the rotating body is configured to push up the column through the seat plate body.   An anchor bolt connecting portion that can be connected to an anchor bolt protruding on the foundation is provided at a lower portion of the metal fitting main body, and the metal fitting main body can be connected and fixed to the foundation by connecting the anchor bolt connecting portion and the anchor bolt. The push-up mechanism is provided with a rotating body that is screwed onto a screw portion of the anchor bolt that is connected to the anchor bolt connecting portion, and is rotated relative to the screw portion by rotating the rotating body. The column base metal fitting according to any one of claims 1 to 3, wherein the rotating body pushes up the column by being raised.   An anchor bolt connecting portion connectable to an anchor bolt protruding on the foundation is provided at a lower portion of the metal fitting body, and this anchor bolt connecting portion is provided with a connecting hole through which the anchor bolt is inserted, at the lower portion of the metal fitting body. The anchor bolt is inserted into the connecting hole and protruded upward, and a nut is screwed into the anchor bolt so that the anchor bolt can be connected. The push-up mechanism portion protrudes upward from the connecting hole of the anchor bolt connecting portion. A rotating body that is screwed to the screw portion at the tip of the anchor bolt and supports the bottom portion of the column is provided, and the rotating body is rotated and raised relative to the screw portion by rotating the rotating body. The column base metal fitting according to any one of claims 1 to 4, characterized in that the column is pushed up.   An anchor bolt connecting portion that can be connected to an anchor bolt protruding on the foundation is provided at a lower portion of the metal fitting body, and the anchor bolt connecting portion has a plurality of connecting holes through which the anchor bolt is inserted in the lower portion of the metal fitting body. Providing the anchor bolts so that the anchor bolts can be inserted through the plurality of connecting holes, and screwing nuts into the anchor bolts inserted through the connecting holes and projecting upward. The anchor bolt connecting portion can be connected to the anchor bolt, and the push-up mechanism portion is screwed onto the screw portions at the tip ends of the plurality of anchor bolts protruding upward from each of the plurality of connecting holes. A rotating body that supports the bottom portion is provided, and the plurality of rotating bodies are configured to rotate up to the screw portion so that the plurality of rotating bodies push up the column. Column base bracket according to any one of claims 1 to 5, wherein the door.

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