Pillar fixing hardware, manufacturing method for pillar fixing hardware, and building

Abstract

To provide a column fixture with high strength, a manufacturing method of the same, and a building with high earthquake resistance.SOLUTION: A column fixture 10 comprises: a first plate 20 fixed to a base portion; a support portion 30 provided on the first plate 20; a second plate 40 provided on an upper part of the support portion 30; and a connection portion 50 extending from the second plate 40 and connected to the column. The support portion 30 has: a first end surface 34 in contact with an upper surface of the first plate 20; a side surface 35 intersecting the first end surface 34; and a first boundary line 36 that is a boundary between the first end surface 34 and the side surface 35. The first boundary line 36 has a first boundary portion 36A. The second plate 40 has a cutout portion 41 including a cutout edge 42. The cutout edge 42 has a first cutout portion 42A. The first cutout portion 42A is configured to extend along the first boundary portion 36A in a plan view. A portion including the first boundary portion 36A is fixed to the first plate 20 by welding.SELECTED DRAWING: Figure 2

Description

[Technical field]

[0001] The present disclosure relates to a pillar fixing hardware, a manufacturing method for a pillar fixing hardware, and a building. [Background technology]

[0002] In buildings, a column fixing hardware that fixes a column to a foundation is known (for example, Patent Document 1). In the example shown in Patent Document 1, the column fixing hardware (fixing hardware in Patent Document 1) includes a first plate (base plate in Patent Document 1), a second plate (support plate in Patent Document 1), and a support part (upright plate in Patent Document 1). The support part is welded to the first plate and the second plate so that the first plate and the second plate are parallel to each other. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2002-115339 A Summary of the Invention [Problem to be solved by the invention]

[0004] The support part is welded so as to be sandwiched between the first plate and the second plate. In the case of such a structure, it is difficult to apply a welding rod to the welded parts of the support part and the plate, and there is a risk that welding cannot be performed smoothly. If welding cannot be performed smoothly, there is a risk that welding cannot be performed properly and the strength of the column fixing hardware will decrease. There is room for improvement in terms of the strength of the column fixing hardware, the manufacturing method for the column fixing hardware, and the building. [Means for solving the problem]

[0005] (1) A column fixing hardware that solves the above-mentioned problems is a column fixing hardware that fixes a column to a foundation, comprising: a first plate fixed to the foundation, a support part provided on the first plate, a second plate provided on an upper part of the support part, and a joining part extending upward from the second plate to join to the column, wherein the support part has a first end face that contacts an upper surface of the first plate, a side face that intersects with the first end face, and a first boundary line that is a boundary between the first end face and the side face, the first boundary line has a first boundary portion, the second plate has a cutout part including a cutout edge, the cutout edge of the cutout part has a first cutout portion, the first cutout portion of the cutout part is configured to follow the first boundary portion of the support part in a planar view, and a portion of the support part including the first boundary portion is fixed to the first plate by welding.

[0006] According to this configuration, when the portion including the first boundary region of the support is welded to the first plate, the portion including the first boundary region is smoothly welded to the first plate by aligning the welding rod of the welding tool with the first notch region. In this way, since the column fixing hardware includes a structure that allows for smooth welding, the number of column fixing hardware with low strength welded portions can be reduced. In this way, a column fixing hardware with high strength can be provided.

[0007] (2) In the above-mentioned (1) pole fixing hardware, the notch edge of the notch is configured to follow the first boundary line of the support part in a plan view. With this configuration, the support part and the upper surface of the first plate are smoothly welded by placing a welding rod of a welding tool along the notch edge. This makes it possible to provide a pole fixing hardware with high strength.

[0008] (3) In the pole fixing hardware of (1) above, the support portion includes a first support member and a second support member, the first support member and the second support member are configured to have corners, and the first support member and the second support member are arranged on the first plate such that a convex portion at the corner of the first support member faces a convex portion at the corner of the second support member. With this configuration, the second plate can be supported by the first support member and the second support member.

[0009] (4) In the column fixing hardware of (3) above, the notch has a notched corner, and in a plan view, the bisector of the corner of the first support member extends in the same direction as the bisector of the notched corner of the notched portion. With this configuration, it is easy to align the tip of the welding rod of the welding tool with the corner of the support by aligning the welding rod of the welding tool with the notched corner. This allows the corner to be properly welded to the first plate. This improves the joint strength between the support and the first plate.

[0010] (5) In the column fixing hardware of (4) above, the first boundary line has a first arc portion constituting the corner portion, the notch portion has a second arc-shaped notch portion constituting the notch corner portion, and the first arc portion is configured to follow a concentric circle that is concentric with the second circle including the second notch portion in a plan view, or is an arc with a radius smaller than the radius of the second circle including the second notch portion. According to this configuration, by aligning the welding rod of a welding tool with the second notch portion, it is easy to align the tip of the welding rod of the welding tool with the first arc portion of the support portion. As a result, the part of the support portion including the first arc portion is appropriately welded to the first plate. This improves the joint strength between the support portion and the first plate.

[0011] (6) In the pole fixing hardware of (1) above, the outer periphery of the second plate is located inside the outer periphery of the first plate in a plan view. With this configuration, it is easy to check the state of the first plate when the pole fixing hardware is placed on the base.

[0012] (7) A building that solves the above problems includes a foundation, a column, and the column fixing hardware described in any one of (1) to (6), the first plate of the column fixing hardware is fixed to the foundation, and the column is connected to the connecting part of the column fixing hardware. With this configuration, the connecting strength of the column to the foundation can be improved in the building, and the earthquake resistance of the building is improved.

[0013] (8) In the building of (7) above, in plan view, the outer periphery of the column is located outside the second plate of the column fixing metal fitting. If the outer periphery of the column is located inside the second plate, there is a risk that water condensed on the column will accumulate on the second plate. In this regard, with the above configuration, the condensed water is easily able to drip down from the lower end of the column without being impeded by the second plate. This prevents water from accumulating on the second plate, thereby suppressing deterioration of the column over time due to water.

[0014] (9) A manufacturing method of a pole fixing hardware that solves the above problem is a manufacturing method of a pole fixing hardware, the pole fixing hardware comprises a first plate, a support part, a second plate, and a connecting part that connects to a pole, and includes a temporary fixing process of temporarily fixing the second plate and the support part, a first welding process of welding the support part and the first plate in a state in which the support part is temporarily fixed to the second plate, a second welding process of welding the second plate and the support part, and a third welding process of welding the connecting part to the second plate, and the support part has a first end surface that contacts an upper surface of the first plate and a second end surface that intersects with the first end surface. and a first boundary line which is a boundary between the first end face and the side face, the first boundary line having a first boundary portion, the second plate having a notch including a notch edge, the notch edge of the second plate having a first notch portion, in the temporary fixing step, the second plate is temporarily fixed to the support portion in a state in which the second plate is placed on the support portion such that the first notch portion of the notch portion is aligned with the first boundary portion of the first boundary line, and in the first welding step, a welding rod of a welding tool is aligned with the first notch portion to weld the portion of the support portion including the first boundary portion to the first plate. With this configuration, welding is performed while the welding rod of a welding tool is aligned with the first notch portion, so that the portion including the first boundary portion and the first plate can be properly welded.

[0015] (10) A manufacturing method of a column fixing hardware that solves the above problem is a manufacturing method of a column fixing hardware, the column fixing hardware comprising a first plate, a support part, a second plate, and a connecting part that connects to a column, the manufacturing method including a first welding process of welding the support part to the second plate, a second welding process of welding the first plate to the support part, and a third welding process of welding the connecting part to the second plate, the support part having a first end face that contacts an upper surface of the first plate, a side face that intersects with the first end face, and a first boundary that is a boundary between the first end face and the side face. a first boundary line, the first boundary portion having a first boundary site, the second plate having a notch portion including a notch edge, the notch edge of the second plate having a first notch portion, and in the first welding step, the second plate is welded to the support portion in a state where the second plate is arranged on the support portion such that the first notch portion of the notch portion is aligned with the first boundary site of the first boundary line, and in the second welding step, a welding rod of a welding tool is aligned with the first notch portion to weld the portion of the support portion including the first boundary site to the first plate. According to this configuration, the support portion is welded to the first plate in a state where the first notch portion is aligned with the first boundary site in a plan view. At this time, the welding rod of a welding tool is aligned with the first notch portion to weld the portion including the first boundary site to the first plate. Therefore, the portion including the first boundary site and the first plate can be appropriately welded. Effect of the Invention

[0016] According to the pillar fixing hardware and the manufacturing method of the pillar fixing hardware of the present disclosure, a pillar fixing hardware with high strength can be provided, and the earthquake resistance of the building can be improved. [Brief description of the drawings]

[0017] [Figure 1] FIG. [Diagram 2] FIG. 2 is a perspective view of a pillar fixing hardware according to the first embodiment. [Diagram 3] 3 is a cross-sectional view of the column fixing hardware taken along line 3-3 in FIG. 2. [Figure 4]4 is a cross-sectional view of the column fixing hardware taken along line 4-4 in FIG. 2. [Diagram 5] A front view of the pillar fixing hardware. [Figure 6] FIG. [Figure 7] This is an exploded oblique view of the column fixing hardware and its surroundings in a building. [Figure 8] This is a plan view of the column fixing hardware, showing one step of the first welding process in the manufacturing method of the column fixing hardware. [Figure 9] 9 is a cross-sectional view of the column fixing hardware taken along line 9-9 in FIG. 8. [Figure 10] 13 is a plan view showing another process of the first welding step in the manufacturing method of the column fixing hardware. FIG. [Figure 11] 11 is a cross-sectional view of the column fixing hardware taken along line 11-11 in FIG. [Figure 12] FIG. 11 is a perspective view of a pillar fixing hardware according to the third embodiment. [Figure 13] FIG. 11 is a front view of the pillar fixing hardware according to the third embodiment. [Figure 14] FIG. 13 is a perspective view of a pillar fixing hardware according to the fourth embodiment. [Figure 15] FIG. 13 is a front view of the pillar fixing hardware according to the fourth embodiment. [Figure 16] FIG. 13 is a perspective view of a pillar fixing hardware according to the fifth embodiment. [Figure 17] FIG. 13 is a perspective view of the pillar fixing hardware for modified example (1). DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] First Embodiment 1 to 11, a building 1 and a pillar fixing hardware 10 for fixing a pillar 2 to a foundation 3 will be described.

[0019] 1, a pillar fixing hardware 10 fixes a pillar 2 of a building 1 to a foundation 3. Examples of the building 1 include a detached house, an apartment building, and a public facility. The building 1 in the first embodiment is a detached house.

[0020] <Column fixing hardware> 2, the pole fixing hardware 10 includes a first plate 20 fixed to a base part 3 (see FIG. 1), a support part 30 provided on the first plate 20, and a second plate 40 provided on the upper part of the support part 30. Furthermore, the pole fixing hardware 10 includes a connecting part 50 extending upward from the second plate 40 and connecting to the pole 2 (see FIG. 1).

[0021] As shown in FIG. 3, the first plate 20 is formed in a square shape in plan view. Insertion holes 21 for inserting anchor bolts 120 (see FIG. 7) are provided at the four corners of the first plate 20. The outer diameter of the insertion holes 21 is formed to be slightly larger than the outer diameter of the anchor bolts 120. Positioning portions 22 are provided at each of the outer edges of the first plate 20. In plan view of the first plate 20, the positioning portions 22 are provided at the center of each side of the first plate 20. An end of a support portion 30 (described later) is located near the positioning portion 22. The positioning portion 22 indicates the position of the end of the support portion 30 relative to the first plate 20. The positioning portion 22 is used as a mark for positioning the support portion 30 when the support portion 30 is welded to the first plate 20 in manufacturing the column fixing hardware 10.

[0022] The support portion 30 includes a first support member 31 and a second support member 32. The first support member 31 and the second support member 32 are provided on the first plate 20 so as to protrude from the upper surface of the first plate 20. In this embodiment, the first support member 31 and the second support member 32 are configured to have a corner portion 33. In one example, the first support member 31 and the second support member 32 are configured by bending a metal plate. The first support member 31 has a corner portion 33 formed by bending a metal plate. The second support member 32 has a corner portion 33 formed by bending a metal plate. The corner portion 33 of the first support member 31 forms an angle of 90 degrees in a plan view. The corner portion 33 of the second support member 32 forms an angle of 90 degrees in a plan view. The first support member 31 and the second support member 32 are arranged on the first plate 20 such that a convex portion at a corner 33 of the first support member 31 faces a convex portion at a corner 33 of the second support member 32. An end of the first support member 31 is arranged near the positioning portion 22 of the first plate 20. An end of the second support member 32 is arranged near the positioning portion 22 of the first plate 20.

[0023] As shown in FIG. 2 and FIG. 3, the support portion 30 has a first end surface 34 that contacts the upper surface of the first plate 20, a side surface 35 that intersects with the first end surface 34, and a first boundary line 36 that is a boundary between the first end surface 34 and the side surface 35. The support portion 30 further has a third boundary line 39 that is a boundary between the first end surface 34 and the side surface 35 and is a part different from the first boundary line 36. In this embodiment, the first support member 31 and the second support member 32 each have a first end surface 34, a side surface 35, a first boundary line 36, and a third boundary line 39. The side surface 35 has a surface including a concave curved surface and a surface opposite to the concave curved surface that includes a convex curved surface. The first boundary line 36 is a boundary between the surface including the concave curved surface in the side surface 35 and the first end surface 34. The third boundary line 39 is a boundary between the surface including the convex curved surface in the side surface 35 and the first end surface 34.

[0024] The first boundary line 36 has a first boundary region 36A. There may be a plurality of first boundary regions 36A. In one example, the first boundary line 36 includes two linear first boundary regions 36A. Extension lines of the two first boundary regions 36A are perpendicular to each other. The portion of the support portion 30 including the first boundary region 36A is fixed to the first plate 20 by welding. The first boundary line 36 has a first arc portion 36B that constitutes the corner portion 33. The first arc portion 36B is configured as an arc or a curved line similar to an arc in a plan view. In this embodiment, the first arc portion 36B is configured to be an arc in a plan view. The first arc portion 36B connects two first boundary regions 36A in a plan view. The first arc portion 36B connects to one of the first boundary regions 36A at a first arc point 100 that is one end of the first arc portion 36B. The first arc portion 36B is connected to the other first boundary site 36A at a second arc point 101 which is the other end of the first arc portion 36B.

[0025] As shown in FIG. 4, the support portion 30 has a second end surface 130 that contacts the lower surface of the second plate 40, and a second boundary line 131 that is a boundary between the second end surface 130 and the side surface 35. The second boundary line 131 has a second boundary portion 131A. The support portion 30 further has a fourth boundary line 139 that is a boundary between the second end surface 130 and the side surface 35 and is a portion different from the second boundary line 131. In this embodiment, the first support member 31 and the second support member 32 each have a second end surface 130, a second boundary line 131, and a fourth boundary line 139. The second boundary line 131 is a boundary between a surface including a concave curved surface in the side surface 35 and the second end surface 130. The fourth boundary line 139 is a boundary between a surface including a convex curved surface in the side surface 35 and the second end surface 130.

[0026] The second boundary line 131 has a second boundary portion 131A. There may be a plurality of second boundary portions 131A. In one example, the second boundary line 131 includes two linear second boundary portions 131A. Extension lines of the two second boundary portions 131A are perpendicular to each other. The portion of the support portion 30 including the second boundary portion 131A is fixed to the second plate 40 by welding. The second boundary line 131 has a second arc portion 131B that constitutes the corner portion 33. The second arc portion 131B is configured to be an arc or a curved line similar to an arc in a plan view. In this embodiment, the second arc portion 131B is configured to be an arc in a plan view. The second arc portion 131B connects two second boundary portions 131A in a plan view. The second arc portion 131B is connected to one of the second boundary portions 131A at a third arc point 103 which is one end of the second arc portion 131B. The second arc portion 131B is connected to the other of the second boundary portions 131A at a fourth arc point 104 which is the other end of the second arc portion 131B. The third arc point 103 is located at a position overlapping with the first arc point 100 in a planar view. The fourth arc point 104 is located at a position overlapping with the second arc point 101 in a planar view.

[0027] As shown in Figs. 3 and 4, the second plate 40 is provided at a position opposite to the first plate 20 with respect to the support portion 30. That is, the support portion 30 is disposed between the first plate 20 and the second plate 40. The second plate 40 has a cutout portion 41 including a cutout edge 42. The cutout portion 41 includes a cutout corner portion 49. The cutout corner portion 49 of the cutout portion 41 forms an angle of 90 degrees in a plan view. The angle of the cutout corner portion 49 is defined as the angle formed by the extension lines of two first cutout portions 42A (see below) in a plan view.

[0028] In this embodiment, the second plate 40 has two cutout portions 41. The second plate 40 also has two protruding corner portions 48. The two cutout portions 41 are configured to be symmetrical with respect to a line connecting the two protruding corner portions 48. Each of the two cutout portions 41 is cut out so as to expose one insertion hole 21 in a plan view. For example, in this embodiment, the two cutout portions 41 expose two insertion holes 21 provided at diagonally opposite corners among the four corners of the first plate 20 in a plan view (see FIG. 6).

[0029] The notch edge 42 has a first cutout portion 42A. The first cutout portion 42A extends in a straight line. In this embodiment, the notch edge 42 has two first cutout portions 42A. Furthermore, the notch edge 42 has a second cutout portion 42B that constitutes a cutout corner portion 49 (see FIG. 6). That is, the notch edge 42 has two first cutout portions 42A and a second cutout portion 42B that connects the two first cutout portions 42A. Extension lines of the two first cutout portions 42A are perpendicular to each other. The second cutout portion 42B is configured in an arc shape in a plan view.

[0030] The cutout edge 42 is configured in relation to the first boundary region 36A as follows. The two first cutout portions 42A are each configured to extend along the first boundary portion 36A of the support portion 30. Specifically, in a plan view, an angle between an extension line of the first cutout portion 42A and an extension line of the first boundary portion 36A of the first boundary line 36 is equal to or greater than 0 degrees and equal to or less than 5 degrees. Preferably, in a plan view, the first cutout portion 42A is parallel to the first boundary portion 36A of the first boundary line 36 (see FIG. 6).

[0031] The notch edge 42 of the notch portion 41 may be configured to extend along the first boundary line 36 of the support portion 30 in a plan view as a whole. Specifically, the two first notch portions 42A are configured to extend along the first boundary portion 36A of the support portion 30, and the second notch portion 42B is configured to extend along the first arc portion 36B of the support portion 30.

[0032] In addition, in a plan view, the bisector 106 of the corner 33 of the first support member 31 may be configured to extend in the same direction as the bisector 107 of the notched corner 49 of the cutout portion 41 (see FIG. 6). Similarly, in a plan view, the bisector 106 of the corner 33 of the second support member 32 may be configured to extend in the same direction as the bisector 107 of the notched corner 49 of the other cutout portion 41 (see FIG. 6).

[0033] As shown in FIG. 5, the connecting portion 50 is provided on the second plate 40 so as to protrude from the upper surface of the second plate 40. The connecting portion 50 is provided at a position opposite to the support portion 30 with respect to the second plate 40. The connecting portion 50 is arranged along a straight line passing through two positioning portions 22 at opposite positions on the first plate 20 in a plan view. The connecting portion 50 is made of a metal plate. The connecting portion 50 is provided with a plurality of connecting holes 52 for passing draft pins 51 (see FIG. 7) for connecting the column 2 and the connecting portion 50. In this embodiment, the first connecting hole 52A, the second connecting hole 52B, and the third connecting hole 52C are provided in the connecting portion 50. The connecting portion 50 has a connecting end surface 53 that is a surface intersecting the main surface of the connecting portion 50 and extends in the vertical direction LB. The width of the connecting portion 50 along the horizontal direction LA is equal to or smaller than the width of the column 2.

[0034] In a front view of the joint portion 50, the multiple joint holes 52 are provided at predetermined positions of the joint portion 50. The multiple joint holes 52 are provided at predetermined intervals in the joint portion 50. In this embodiment, three joint holes 52 are provided in the joint portion 50. In order to provide the three joint holes 52 at predetermined intervals in the joint portion 50, two of the three joint holes 52 are arranged at a predetermined interval in the horizontal direction LA. The remaining one joint hole 52 is arranged at a position shifted from the two joint holes 52 in the horizontal direction LA and the vertical direction LB. Then, two joint holes 52 adjacent to each other in a diagonal direction (hereinafter, "diagonal direction") that diagonally intersects the vertical direction LB are provided at a predetermined interval. In this embodiment, the first joint hole 52A and the second joint hole 52B are adjacent to each other in the horizontal direction LA and provided at a predetermined interval. The third coupling hole 52C is provided at a position diagonally spaced apart from the first coupling hole 52A and the second coupling hole 52B.

[0035] In one example, for the first and second connecting holes 52A and 52B adjacent to each other in the lateral direction LA, the distance from the center of the first connecting hole 52A to the center of the second connecting hole 52B is 45 mm or more. For the first and third connecting holes 52A and 52C adjacent to each other in the diagonal direction, the distance from the center of the third connecting hole 52C to the center of the first connecting hole 52A is 25 mm or more. For the second and third connecting holes 52B and 52C adjacent to each other in the diagonal direction, the distance from the center of the third connecting hole 52C to the center of the second connecting hole 52B is 25 mm or more.

[0036] Such an arrangement of the three connecting holes 52 ensures the distance between the connecting holes 52, thereby ensuring the strength of the connecting portion 50. This allows the size of the connecting portion 50 to be reduced. Specifically, the area of ​​the connecting portion 50 in a front view can be reduced. With this structure, the column fixing hardware 10 can be provided with a narrow connecting portion 50 that is compatible with a column 2 having a smaller cross-sectional area than conventional ones. Even when the column fixing hardware 10 has a narrow connecting portion 50, the strength of the connecting portion 50 is ensured, so that it can be connected to a column 2 having a small cross-sectional area with appropriate strength.

[0037] Among the multiple connecting holes 52, the connecting hole 52 closest to the connecting end surface 53 in the lateral direction LA is provided in the connecting portion 50 so as to be spaced a predetermined distance from the connecting end surface 53. For example, in this embodiment, the center of the first connecting hole 52A is located at a position spaced 15 mm or more away from the connecting end surface 53 in the lateral direction LA.

[0038] 6, in a plan view, an outer periphery 47 of the second plate 40 is located inside an outer periphery 27 of the first plate 20. In addition, a joint end surface 53 of the joint portion 50 is located inside the outer periphery 47 of the second plate 40.

[0039] <Procedure for fixing the pillars to the foundation> With reference to Fig. 7, a procedure for fixing the pillar 2 to the foundation 3 by the pillar fixing hardware 10 will be described. The pillar 2 is made of wood. The pillar 2 has a slit 60 into which the connecting part 50 is inserted, and a number of pin insertion holes 61 through which the draft pins 51 are inserted. When the connecting part 50 is inserted into the slit 60, the pin insertion holes 61 overlap with the connecting holes 52 to form through holes through which the draft pins 51 are inserted. The outer diameter of the through holes is configured to be slightly larger than the outer diameter of the draft pins 51.

[0040] As shown in FIG. 7, first, the anchor bolt 120 installed in the foundation 3 is inserted into the insertion hole 21 of the first plate 20. Next, the column fixing hardware 10 is fastened to the foundation 3 by engaging the nut 122 with the anchor bolt 120. Then, the column 2 is placed on the column fixing hardware 10 so that the joint part 50 is inserted into the slit 60 of the column 2. The draft pin 51 is inserted into each of the through holes formed by the joint hole 52 and the pin insertion hole 61. This allows the column 2 to be joined to the column fixing hardware 10. At this time, a gap is provided between the lower surface of the column 2 and the second plate 40 of the column fixing hardware 10. The presence of the gap improves the ventilation between the lower surface of the column 2 and the second plate 40 of the column fixing hardware 10. This suppresses deterioration of the lower surface of the column 2.

[0041] <Manufacturing method for pillar fixing hardware> A manufacturing method of the column fixing hardware 10 in this embodiment will be described with reference to Figs. 8 to 11. In the manufacturing method of the column fixing hardware 10, before welding the first plate 20 and the second plate 40 to the support part 30, the support part 30 is temporarily fixed to the second plate 40. Methods of welding and temporary welding include arc welding, plasma arc welding, and gas welding. The welding tool 140 is a device that welds the target members. As an example, the welding tool 140 is a device that welds the target members by arc welding. In this embodiment, the welding tool 140 includes a welding rod 140A.

[0042] The manufacturing method of the column fixing hardware 10 includes a temporary fixing process, a first welding process, a second welding process, and a third welding process. Each process will be explained below. Figures 8 to 11 are diagrams to be referred to when explaining the method of welding the support part 30 to the first plate 20.

[0043] In the temporary fixing step, the second plate 40 and the support portion 30 are temporarily fixed. In a state where the second plate 40 is arranged on the support portion 30 so that the first cutout portion 42A of the cutout portion 41 is aligned with the first boundary portion 36A of the first boundary line 36, the second plate 40 is temporarily fixed to the support portion 30. In this embodiment, the cutout portion 41 has two first cutout portions 42A. The first support member 31 has two first boundary portions 36A. In this embodiment, the support portion 30 is temporarily fixed to the second plate 40 so that one first boundary portion 36A is parallel to one first cutout portion 42A, and the other first boundary portion 36A is parallel to the other first cutout portion 42A. Moreover, the first support member 31 is temporarily fixed so that, in a plan view, the bisector 106 of the corner 33 of the first support member 31 extends in the same direction as the bisector 107 of the notch corner 49 of the notch 41. The second support member 32 is also temporarily fixed to the other notch 41 of the second plate 40 by a method similar to that used for temporarily fixing the first support member 31.

[0044] Examples of the temporary fixing method include a method using a jig, a method using welding, etc. For example, only the end of the first support member 31 is welded to the second plate 40 by welding. Also, only the end of the second support member 32 is welded to the second plate 40 by welding.

[0045] In the first welding step, the support part 30 and the first plate 20 are welded together in a state in which the support part 30 is temporarily fixed to the second plate 40. Due to the temporary fixing of the second plate 40 and the support part 30 (the first support member 31 and the second support member 32) in the above-mentioned temporary fixing step, the first cutout portion 42A is positioned so as to be along the first boundary portion 36A of the first boundary line 36. In this state, the first support member 31 is placed on the first plate 20 so that the end of the first support member 31 and the end of the second support member 32 are positioned near the positioning portion 22 of the first plate 20. Thereafter, the welding rod 140A is placed along the first cutout portion 42A to weld the portion of the support part 30 including the first boundary portion 36A to the first plate 20.

[0046] 8 and 9, in welding the first support member 31 and the upper surface of the first plate 20, first, while aligning the welding rod 140A along one of the two first notched portions 42A, welding is performed with the tip of the welding rod 140A directed toward the first boundary portion 36A along one of the first notched portions 42A. Thereafter, when the welding rod 140A approaches the second notched portion 42B (see FIG. 10) of the notched edge 42, the welding rod 140A is oriented along the second notched portion 42B to perform welding.

[0047] 10 and 11, while welding rod 140A is aligned along second notch portion 42B, the tip of welding rod 140A is welded toward first arc portion 36B. Thereafter, when welding rod 140A advances to the other first notch portion 42A, welding rod 140A is aligned along the other first notch portion 42A. At this time, the tip of welding rod 140A is welded toward first boundary portion 36A aligned along the other first notch portion 42A.

[0048] In welding the first support member 31 to the upper surface of the first plate 20, after welding of a portion including the first boundary line 36 of the first support member 31 is completed, welding of the remaining portion is performed. Specifically, welding is performed between the upper surface of the first plate 20 and a portion including the third boundary line 39 of the first support member 31.

[0049] After completing the welding between the first support member 31 and the upper surface of the first plate 20, the second support member 32 is welded to the upper surface of the first plate 20 in a similar manner. Through the above-mentioned procedure, the support portion 30 is welded to the first plate 20.

[0050] The order of the steps of welding the first support member 31 and the second support member 32 to the upper surface of the first plate 20 may be arbitrarily changed. For example, the second support member 32 may be welded to the upper surface of the first plate 20, and then the first support member 31 may be welded to the upper surface of the first plate 20. Alternatively, the corner portion 33 including the first arc portion 36B may be welded to the upper surface of the first plate 20 first, and then the first boundary portion 36A may be welded to the upper surface of the first plate 20. Alternatively, in welding the support portion 30 and the upper surface of the first plate 20, welding of the first boundary portion 36 may be performed after welding of the portion other than the first boundary portion 36 has been completed.

[0051] In the second welding step, the support portion 30 and the second plate 40 are welded together. Specifically, the first support member 31 is welded to the lower surface of the second plate 40. The second support member 32 is welded to the lower surface of the second plate 40.

[0052] In welding the support portion 30 and the underside of the second plate 40, after welding of the second boundary line 131 portion is completed, the remaining portions are welded. Specifically, welding is performed between the underside of the second plate 40 and a portion including the fourth boundary line 139 of the first support member 31. Welding is performed between the underside of the second plate 40 and a portion including the fourth boundary line 139 of the second support member 32.

[0053] The order of steps for welding the support part 30 to the underside of the second plate 40 may be arbitrarily changed. For example, the corner part 33 including the second arc part 131B may be welded to the underside of the second plate 40 first, and then the second boundary part 131A may be welded to the underside of the second plate 40. In addition, when welding the support part 30 to the underside of the second plate 40, the second boundary part 131 may be welded after welding of the part other than the second boundary part 131 is completed.

[0054] In the third welding process, the joint portion 50 is welded to the second plate 40. The column fixing hardware 10 is manufactured by the above-mentioned manufacturing method.

[0055] <Buildings> As shown in FIG. 7, the building 1 includes a foundation portion 3, a column 2, and a column fixing hardware 10. The building 1 may also include cross members and slope members that form the roof. The foundation portion 3 includes a foundation. The foundation portion 3 may also include a foundation and a base provided on the foundation. The base is made of wood. In this embodiment, the foundation portion 3 does not include a base, but includes a reinforced concrete base.

[0056] The foundation 3 has an iron anchor bolt 120. The anchor bolt 120 is installed in the foundation 3 such that the head of the anchor bolt 120 protrudes from the upper surface 3A of the foundation 3. The anchor bolt 120 is provided at a predetermined location in the foundation 3. Two anchor bolts 120 are provided at predetermined locations in the foundation 3. The two anchor bolts 120 provided at the predetermined locations are arranged with a predetermined distance between them. In one example, the two anchor bolts 120 are arranged in a plan view such that a line passing through the two anchor bolts 120 intersects with the side surface 3B of the foundation 3 at an angle of 45 degrees (see FIG. 7).

[0057] The column fixing hardware 10 is fixed to the foundation 3 by nuts 122 via two anchor bolts 120. Specifically, the first plate 20 of the column fixing hardware 10 is fixed to the foundation 3 by nuts 122 via the anchor bolts 120.

[0058] The pillar 2 is connected to the joint 50 of the pillar fixing hardware 10 by a draft pin 51. A pillar 2 having the following configuration is used. A pillar whose vertical and horizontal widths in cross section are greater than the vertical and horizontal widths of the second plate 40 in plan view is used. The outer periphery 2A of the pillar 2 is located outside the second plate 40.

[0059] It is preferable that the connecting holes 52 of the column 2 and the column fixing hardware 10 have the following relationship: Of the multiple connecting holes 52 in the column fixing hardware 10, the connecting hole 52 closest to the side surface of the column 2 in the lateral direction LA is located at a predetermined distance from the side surface of the column 2. For example, the center of the first connecting hole 52A is located at a distance of 16 mm or more from the side surface of the column 2.

[0060] The cross members are connected to the columns 2 so as to span multiple columns 2. The columns 2 and the cross members form exterior walls, interior walls, etc. The gradient members are connected to the cross members or the columns 2. The gradient members form a roof.

[0061] The operation of this embodiment will now be described. In the pole fixing hardware 10, the second plate 40 is provided with two notches 41. Therefore, compared to a case where a hole is provided in the second plate 40, it is easier to insert the anchor bolt 120 into the insertion hole 21 of the first plate 20. Also, it is easier to check the position of the anchor bolt 120 in the insertion hole 21.

[0062] The support part 30 of the column fixing hardware 10 has a first end face 34 that contacts the upper surface of the first plate 20, and a side face 35 that intersects with the first end face 34. The support part 30 has a first boundary line 36 at the boundary between the first end face 34 and the side face 35. The first boundary line 36 has a first boundary region 36A. The second plate 40 of the column fixing hardware 10 has a notch portion 41 including a notch edge 42. The notch edge 42 has a first notch region 42A. The first notch region 42A is configured to be aligned along the first boundary region 36A in a plan view. The portion of the support part 30 including the first boundary region 36A is fixed to the first plate 20 by welding.

[0063] Conventionally, the column fixing hardware was not designed to smoothly weld the support part to the first plate. In this respect, according to the present embodiment, the second plate 40 is cut out so that the first cutout part 42A is aligned with the first boundary part 36A in a plan view as described above. As a result, by aligning the welding rod 140A of the welding tool 140 with the first cutout part 42A, the first boundary part 36A can be smoothly welded to the first plate 20. Therefore, the support part 30 is appropriately welded to the first plate 20. As a result, in the manufacture of the column fixing hardware 10, the number of column fixing hardware 10 with low strength is reduced. For example, the number of column fixing hardware 10 with welded parts deviated from the predetermined position is reduced. Therefore, according to such a structure of the column fixing hardware 10, the variation in the individual strength of the column fixing hardware 10 is reduced, and as a result, the average strength of the column fixing hardware 10 is increased.

[0064] The effects of this embodiment will be described. (1) The pillar fixing hardware 10 comprises a first plate 20, a support portion 30, and a second plate 40. The support portion 30 has a first boundary line 36. The first boundary line 36 has a first boundary portion 36A. The cutout edge 42 of the cutout portion 41 in the second plate 40 has a first cutout portion 42A. The first cutout portion 42A is configured to be aligned along the first boundary portion 36A of the support portion 30 in a plan view. The portion of the support portion 30 including the first boundary portion 36A is fixed to the first plate 20 by welding.

[0065] According to this configuration, when the portion including the first boundary portion 36A of the support portion 30 is welded to the first plate 20, the welding rod 140A of the welding tool 140 is aligned with the first cutout portion 42A, so that the portion including the first boundary portion 36A is smoothly welded to the first plate 20. In this way, since the column fixing hardware 10 includes a structure that allows for smooth welding, the number of column fixing hardware 10 with low strength at the welded portion can be reduced. Therefore, when the strengths of the column fixing hardware 10 are averaged, the average strength of the column fixing hardware 10 becomes high. In this way, a column fixing hardware 10 with high strength as the average strength can be provided. Furthermore, the yield of the column fixing hardware 10 can be increased during manufacturing.

[0066] (2) The notch edge 42 of the notch 41 is configured to be aligned along the first boundary line 36 of the support part 30 in a plan view. In other words, the entire notch edge 42 of the notch 41 is aligned along the first boundary line 36 of the support part 30 in a plan view. With this configuration, the upper surfaces of the support part 30 and the first plate 20 are smoothly welded by aligning the welding rod 140A of the welding tool 140 along the notch edge 42. This makes it possible to provide a column fixing hardware 10 with high strength.

[0067] (3) The support portion 30 includes a first support member 31 and a second support member 32. The first support member 31 and the second support member 32 are configured to have a corner portion 33. The support portion 30 is disposed on the first plate 20 so that the convex portion at the corner portion 33 of the first support member 31 faces the convex portion at the corner portion 33 of the second support member 32. According to this configuration, the second plate 40 can be supported by the first support member 31 and the second support member 32. According to the structure in which the second plate 40 is supported by the first support member 31 and the second support member 32, the manufacturing process of the column fixing hardware 10 can be simplified compared to the structure in which the second plate 40 is supported by four plate-shaped support members. Therefore, according to this structure, the column fixing hardware 10 can be easily manufactured.

[0068] (4) In a plan view, the bisector 106 of the corner 33 of the first support member 31 extends in the same direction as the bisector 107 of the notched corner 49 of the notch 41. With this configuration, by aligning the welding rod 140A of the welding tool 140 with the notched corner 49, it is easy to align the tip of the welding rod 140A of the welding tool 140 with the corner 33 of the support 30. This allows the corner 33 to be appropriately welded to the first plate 20. This improves the joint strength between the support 30 and the first plate 20.

[0069] (5) In a plan view, the outer periphery 47 of the second plate 40 is located inside the outer periphery 27 of the first plate 20. With this configuration, it is easy to check the state of the first plate 20 when the column fixing hardware 10 is placed on the foundation 3. For example, it is easy to check whether one side of the outer periphery 27 of the first plate 20 is parallel to the side surface 3B of the foundation 3.

[0070] (6) The building 1 comprises a foundation 3, a column 2, and the column fixing hardware 10 described in any one of (1) to (5) above. The first plate 20 of the column fixing hardware 10 is fixed to the foundation 3, and the column 2 is connected to the connecting part 50 of the column fixing hardware 10. With this configuration, the connecting strength of the column 2 to the foundation 3 in the building 1 can be improved, thereby improving the earthquake resistance of the building 1.

[0071] (7) In a plan view of the building 1, the outer periphery 2A of the column 2 is located outside the second plate 40 of the column fixing hardware 10. If the outer periphery 2A of the column 2 is located inside the second plate 40, there is a risk that water condensed on the column 2 will accumulate on the second plate 40. In this regard, with the above-mentioned configuration, the condensed water is easily able to drip downward from the lower end of the column 2 without being impeded by the second plate 40. This prevents water from accumulating on the second plate 40, thereby suppressing deterioration of the column 2 over time due to water.

[0072] (8) The manufacturing method of the column fixing hardware 10 includes a temporary fixing step of temporarily fixing the second plate 40 and the support portion 30, a first welding step of welding the support portion 30 and the first plate 20 in a state in which the support portion 30 is temporarily fixed to the second plate 40, a second welding step of welding the second plate 40 and the support portion 30, and a third welding step of welding the joint portion 50 to the second plate 40. The first boundary line 36 has a first boundary portion 36A. The second plate 40 has a notch portion 41 including a notch edge 42. The notch edge 42 of the second plate 40 has a first notch portion 42A. In the temporary fixing step, the second plate 40 is temporarily fixed to the support portion 30 in a state in which the second plate 40 is arranged on the support portion 30 so that the first notch portion 42A of the notch portion 41 is aligned with the first boundary portion 36A of the first boundary line 36. In the first welding step, the welding rod 140A of the welding tool 140 is aligned along the first cutout portion 42A to weld the portion of the support part 30 including the first boundary portion 36A to the first plate 20. According to this configuration, since welding is performed while the welding rod 140A of the welding tool 140 is aligned along the first cutout portion 42A, the portion including the first boundary portion 36A and the first plate 20 can be appropriately welded.

[0073] <Second embodiment> A manufacturing method of the pole fixing hardware 10 of the second embodiment will be described. In this embodiment, the same components as those of the first embodiment are given the same reference numerals, and the description of the overlapping components will be omitted.

[0074] The manufacturing method of the pole fixing hardware 10 of this embodiment includes a first welding step, a second welding step, and a third welding step. In this embodiment, the welding for temporary fixation in the first embodiment does not need to be performed.

[0075] In the first welding step, the second plate 40 is welded to the support portion 30. Specifically, in the first welding step, the second plate 40 is disposed on the support portion 30 such that the first cutout portion 42A of the cutout portion 41 is aligned with the first boundary portion 36A of the first boundary line 36, and then the second plate 40 is welded to the support portion 30.

[0076] In the second welding process, the support part 30 is welded to the first plate 20, which is fixed to the base part 3. Then, in the third welding process, the joining part 50, which joins the column 2, is welded to the second plate 40. The welding procedure is similar to that of the third welding process in the first embodiment. The column fixing hardware 10 is manufactured by the above manufacturing method.

[0077] According to the configuration of this embodiment, the support part 30 can be welded to the first plate 20 in a state in which the first cutout portion 42A is aligned along the first boundary portion 36A in a plan view. At this time, the portion including the first boundary portion 36A can be welded to the first plate 20 by aligning the welding rod 140A of the welding tool 140 along the first cutout portion 42A. Therefore, the portion including the first boundary portion 36A and the first plate 20 can be appropriately welded.

[0078] <Third embodiment> A third embodiment of the pole fixing hardware 10 will be described with reference to Fig. 12 and Fig. 13. In this embodiment, components common to the first embodiment are given the same reference numerals as those in the first embodiment, and descriptions of overlapping components will be omitted.

[0079] As shown in FIGS. 12 and 13, the coupling portion 50 of the present embodiment is provided with a fourth coupling hole 52D, a fifth coupling hole 52E, a sixth coupling hole 52F, and a seventh coupling hole 52G.

[0080] In a front view of the coupling portion 50, the multiple coupling holes 52 are provided at predetermined positions of the coupling portion 50. For example, in this embodiment, the multiple coupling holes 52 adjacent to each other in the lateral direction LA are provided at a predetermined interval. Specifically, the fourth coupling hole 52D and the fifth coupling hole 52E adjacent to each other along the lateral direction LA are arranged so that a distance of 35 mm or more is provided between the center of the fourth coupling hole 52D and the center of the fifth coupling hole 52E. In addition, the sixth coupling hole 52F and the seventh coupling hole 52G adjacent to each other along the lateral direction LA are arranged so that a distance of 35 mm or more is provided between the center of the sixth coupling hole 52F and the center of the seventh coupling hole 52G.

[0081] In addition, in a front view, the multiple coupling holes 52 adjacent to each other in the vertical direction LB are provided at a predetermined interval in the coupling portion 50. Specifically, the fourth coupling hole 52D and the sixth coupling hole 52F adjacent to each other along the vertical direction LB are arranged so that a distance of 45 mm or more is provided between the center of the fourth coupling hole 52D and the center of the sixth coupling hole 52F. In addition, the fifth coupling hole 52E and the seventh coupling hole 52G adjacent to each other along the vertical direction LB are arranged so that a distance of 45 mm or more is provided between the center of the fifth coupling hole 52E and the center of the seventh coupling hole 52G.

[0082] In addition, in a front view, among the multiple connecting holes 52, the connecting hole 52 closest to the connecting end surface 53 in the lateral direction LA is provided in the connecting portion 50 at a predetermined distance from the connecting end surface 53. For example, in this embodiment, the center of the fourth connecting hole 52D is located at a position spaced 20 mm or more away from the connecting end surface 53 in the lateral direction LA.

[0083] According to the configuration of this embodiment, the column 2 and the joint portion 50 can be joined together by four draft pins 51. Furthermore, the column fixing hardware 10 of this embodiment achieves the same effect as that of (1) of the first embodiment.

[0084] <Fourth embodiment> A fourth embodiment of the pole fixing hardware 10 will be described with reference to Fig. 14 and Fig. 15. In this embodiment, the same components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, and the description of the overlapping components will be omitted.

[0085] As shown in FIGS. 14 and 15, the coupling portion 50 of the present embodiment is provided with an eighth coupling hole 52H, a ninth coupling hole 52I, a tenth coupling hole 52J, an eleventh coupling hole 52K, and a twelfth coupling hole 52L.

[0086] In a front view of the coupling portion 50, the multiple coupling holes 52 are provided at predetermined positions of the coupling portion 50. For example, in this embodiment, the multiple coupling holes 52 adjacent to each other in the lateral direction LA are provided at a predetermined interval. Specifically, the eighth coupling hole 52H and the ninth coupling hole 52I adjacent to each other along the lateral direction LA are arranged such that a distance of 35 mm or more is provided between the center of the eighth coupling hole 52H and the center of the ninth coupling hole 52I. In addition, the eleventh coupling hole 52K and the twelfth coupling hole 52L adjacent to each other along the lateral direction LA are arranged such that a distance of 35 mm or more is provided between the center of the eleventh coupling hole 52K and the center of the twelfth coupling hole 52L.

[0087] In addition, in a front view, the multiple connecting holes 52 adjacent to each other in the vertical direction LB are provided at a predetermined interval in the connecting portion 50. Specifically, the eighth connecting hole 52H and the eleventh connecting hole 52K adjacent to each other along the vertical direction LB are arranged so that a distance of 45 mm or more is provided between the center of the eighth connecting hole 52H and the center of the eleventh connecting hole 52K. In addition, the ninth connecting hole 52I and the twelfth connecting hole 52L adjacent to each other along the vertical direction LB are arranged so that a distance of 45 mm or more is provided between the center of the ninth connecting hole 52I and the center of the twelfth connecting hole 52L.

[0088] The tenth coupling hole 52J is provided at a predetermined interval from the other coupling holes 52. In this embodiment, the tenth coupling hole 52J is positioned so that the centers of the other coupling holes 52 are equally spaced from the center of the tenth coupling hole 52J.

[0089] In addition, in a front view, among the multiple connecting holes 52, the connecting hole 52 closest to the connecting end surface 53 in the lateral direction LA is provided in the connecting portion 50 at a predetermined distance from the connecting end surface 53. For example, in this embodiment, the center of the eighth connecting hole 52H is located at a position spaced 20 mm or more away from the connecting end surface 53 in the lateral direction LA.

[0090] According to the configuration of this embodiment, the column 2 and the joint portion 50 can be joined together by five draft pins 51. Furthermore, the column fixing hardware 10 of this embodiment achieves the same effect as that of (1) of the first embodiment.

[0091] <Fifth embodiment> A pole fixing hardware 10 according to a fifth embodiment will be described with reference to Fig. 16. In this embodiment, components common to the first embodiment are given the same reference numerals as those in the first embodiment, and descriptions of overlapping components will be omitted.

[0092] In this embodiment, the second plate 40 is provided with a plurality of connecting portions 50 that extend upward from the second plate 40 and connect to the columns 2. In this embodiment, two connecting portions 50 are provided. One connecting portion 50 is provided on the second plate 40 in parallel to the other connecting portion 50.

[0093] According to the configuration of this embodiment, the pole fixing hardware 10 is connected to the pole 2 by the two connecting portions 50. Therefore, the pole 2 and the connecting portions 50 can be connected firmly.

[0094] <Modification> The above-mentioned embodiments are examples of possible forms of the column fixing hardware 10, the manufacturing method of the column fixing hardware 10, and the building 1, and are not intended to limit the forms. The column fixing hardware 10, the manufacturing method of the column fixing hardware 10, and the building 1 may take forms different from those exemplified in the above-mentioned embodiments. One example is a form in which part of the configuration of the embodiment is replaced, changed, or omitted, or a form in which a new configuration is added to the embodiment. An example of a modified embodiment is shown below.

[0095] (1) As shown in Fig. 17, the first plate 20 may be provided with an insertion hole 21 for inserting an anchor bolt 120 near the positioning portion 22. In this case, the end of the support portion 30 is provided on the first plate 20 so as to extend toward a corner of the first plate 20. The first cutout portion 42A is cut out so as to follow the first boundary portion 36A in a plan view.

[0096] According to this configuration, the first cutout portion 42A is cut out along the first boundary portion 36A in a plan view. As a result, when the portion including the first boundary portion 36A of the support portion 30 is welded to the first plate 20, the portion including the first boundary portion 36A is smoothly welded to the first plate 20 by placing the welding rod 140A of the welding tool 140 along the first cutout portion 42A. In this way, since the column fixing hardware 10 includes a structure that allows smooth welding, the number of column fixing hardware 10 with low strength at the welded portion can be reduced. Therefore, when the strengths of the column fixing hardware 10 are averaged, the average strength of the column fixing hardware 10 is high. In this way, a column fixing hardware 10 with high strength can be provided as an average strength. In addition, the yield of the column fixing hardware 10 can be increased in manufacturing.

[0097] (2) The corner 33 of the first support member 31 or the corner 33 of the second support member 32 may be configured as follows. For example, the first arc portion 36B is configured to be along a concentric circle that is concentric with the second circle including the second cutout portion 42B in a plan view of the column fixing hardware 10. Also, the corner 33 of the first support member 31 or the corner 33 of the second support member 32 may be configured as follows. For example, the first arc portion 36B is configured so that the first circle including the first arc portion 36B is smaller than the second circle including the second cutout portion 42B. The first arc portion 36B is an arc with a smaller radius than the radius of the second circle including the second cutout portion 42B.

[0098] According to this configuration, by aligning the welding rod 140A of the welding tool 140 with the second cutout portion 42B, it is easy to align the tip of the welding rod 140A of the welding tool 140 with the first arc portion 36B of the support part 30. This allows the corner portion 33 to be appropriately welded to the first plate 20. This improves the joint strength between the support part 30 and the first plate 20.

[0099] (3) The corner portion 48 of the second plate 40 may be provided with a notch portion similar to the first notch portion 42A or the second notch portion 42B. This configuration can provide an effect similar to that of the first embodiment. Specifically, the portions of the first support member 31 and the second support member 32 including the third boundary line 39 can be smoothly welded to the first plate 20.

[0100] (4) In a plan view of the column fixing hardware 10, the connecting end surface 53 of the connecting portion 50 may be located outside the outer periphery 47 of the second plate 40. With this configuration, when the column 2 and the connecting portion 50 are connected to each other, the connecting area between the column 2 and the connecting portion 50 can be increased. Therefore, the connecting strength between the column 2 and the connecting portion 50 can be increased.

[0101] (5) The first arc portion 36B may be configured to be curved in a plan view. The second cutout portion 42B is configured to be aligned along the first arc portion 36B in a plan view. With this configuration, the first arc portion 36B of the support portion 30 is smoothly welded to the upper surface of the first plate 20 by aligning the welding rod 140A of the welding tool 140 along the second cutout portion 42B.

[0102] (6) In the manufacturing method of the column fixing hardware 10 of the first embodiment, the second welding process may be performed after the temporary fixing process, and the first welding process may be performed after the second welding process. In the temporary fixing process, only the end of the first support member 31 is temporarily fixed to the second plate 40. Also, only the end of the second support member 32 is temporarily fixed to the second plate 40. In the second welding process, the support part 30, whose only the end has been temporarily fixed to the second plate 40 by the temporary fixing process, is welded to the second plate 40.

[0103] According to this configuration, the support part 30 can be welded to the first plate 20 in a state in which the first cutout portion 42A is aligned along the first boundary portion 36A in a plan view. At this time, the portion including the first boundary portion 36A can be welded to the first plate 20 by aligning the welding rod 140A of the welding tool 140 along the first cutout portion 42A. Therefore, the portion including the first boundary portion 36A and the first plate 20 can be appropriately welded. [Explanation of symbols]

[0104] 1...building, 2...column, 2A...outer periphery of column 2, 3...foundation, 10...column fixing hardware, 20...first plate, 27...outer periphery of first plate 20, 30...support portion, 31...first support member, 32...second support member, 33...corner, 34...first end face, 35...side, 36...first boundary line, 36A...first boundary portion, 36B...first arc portion, 40...second plate, 41...cutout portion, 42...cutout edge, 42A...first cutout portion, 42B...second cutout portion, 47...outer periphery of second plate 40, 49...cutout corner, 50...joint, 106...bisect line of corner 33 of first support member 31, 107...bisect line of corner 33 of second support member 32, 140...welding tool, 140A...welding rod.

Claims

1. A pillar fixing hardware for fixing a pillar to a foundation, a first plate fixed to the base, a support provided on the first plate, a second plate provided on an upper portion of the support, and a coupling portion extending upward from the second plate to couple with the column; the support portion has a first end surface in contact with an upper surface of the first plate, a side surface intersecting the first end surface, and a first boundary line which is a boundary between the first end surface and the side surface, the first boundary line has a first boundary portion; the second plate has a notch including a notch edge; The notch edge of the notch portion has a first notch portion, The first cutout portion of the cutout portion is configured to be aligned along the first boundary portion of the support portion in a plan view, A portion of the support portion including the first boundary portion is fixed to the first plate by welding. Pillar fixing hardware.

2. The notch edge of the notch portion is configured to be aligned along the first boundary line of the support portion in a plan view. A column fixing hardware as claimed in claim 1.

3. The support portion includes a first support member and a second support member, The first support member and the second support member are configured to have corners, the first support member and the second support member are disposed on the first plate such that a convex portion at the corner of the first support member faces a convex portion at the corner of the second support member; A column fixing hardware as claimed in claim 1.

4. The cutout portion has a cutout corner portion, In a plan view, a bisector of the corner portion of the first support member extends in the same direction as a bisector of the notch corner portion of the notch. A column fixing hardware as claimed in claim 3.

5. the first boundary line has a first arc portion that constitutes the corner portion, The cutout portion has a second cutout portion having an arc shape that constitutes the cutout corner portion, The first arc portion is The second cutout portion is configured to extend along a concentric circle that is concentric with a second circle including the second cutout portion in a plan view, Or, the second cutout portion is an arc having a radius smaller than the radius of the second circle including the second cutout portion. A column fixing hardware as claimed in claim 4.

6. In a plan view, an outer periphery of the second plate is located inside an outer periphery of the first plate. A column fixing hardware as claimed in claim 1.

7. A building, The present invention comprises a foundation, a column, and the column fixing hardware according to any one of claims 1 to 6, The first plate of the column fixing hardware is fixed to the base portion, and the column is connected to the connecting portion of the column fixing hardware. architecture.

8. In a plan view, the outer periphery of the column is located outside the second plate of the column fixing hardware. The building according to claim 7.

9. A manufacturing method for a column fixing hardware, comprising: The pole fixing hardware includes a first plate, a support portion, a second plate, and a connecting portion that connects to the pole, a temporary fixing process of temporarily fixing the second plate and the support portion; a first welding step of welding the support portion and the first plate together in a state in which the support portion is temporarily fixed to the second plate; a second welding step of welding the second plate and the support portion; a third welding step of welding the joint portion to the second plate; Including, the support portion has a first end surface in contact with an upper surface of the first plate, a side surface intersecting the first end surface, and a first boundary line which is a boundary between the first end surface and the side surface, the first boundary line has a first boundary portion; the second plate has a notch including a notch edge; the cutout edge of the second plate has a first cutout portion; In the temporary fixing step, the second plate is temporarily fixed to the support portion in a state in which the second plate is disposed on the support portion such that the first cutout portion of the cutout portion is aligned with the first boundary portion of the first boundary line; In the first welding step, a welding rod of a welding tool is aligned along the first cutout portion to weld a portion of the support portion including the first boundary portion to the first plate. A manufacturing method for column fixing hardware.

10. A manufacturing method for a column fixing hardware, comprising: The pole fixing hardware includes a first plate, a support portion, a second plate, and a connecting portion that connects to the pole, a first welding step of welding the support portion to the second plate; a second welding step of welding the first plate to the support portion; a third welding step of welding the joint portion to the second plate; Including, the support portion has a first end surface in contact with an upper surface of the first plate, a side surface intersecting the first end surface, and a first boundary line which is a boundary between the first end surface and the side surface, the first boundary line has a first boundary portion; the second plate has a notch including a notch edge; the cutout edge of the second plate has a first cutout portion; In the first welding step, the second plate is welded to the support portion in a state in which the second plate is disposed on the support portion such that the first cutout portion of the cutout portion is aligned with the first boundary portion of the first boundary line; In the second welding step, a welding rod of a welding tool is aligned along the first cutout portion to weld a portion of the support portion including the first boundary portion to the first plate. A manufacturing method for column fixing hardware.

Images