Positioning method and positioning jig

Abstract

To provide an inexpensive positioning method and positioning jig for reinforcing members that reinforce beams having through holes. [Solution] The positioning method involves positioning a plate-shaped reinforcing member 5, which has a member-side through-hole 55 corresponding to the beam-side through-hole 95, on a beam 9, which has a beam-side through-hole 95 formed therein. The method uses a plate-shaped positioning jig having a guide edge portion 11 that is shaped along a part of the outer circumference of the plate surface of the reinforcing member 5. Two or more beam-side marking lines 8 for positioning are drawn in the area outside the beam-side through-hole 95 on the beam 9. With the outer circumference of the plate surface of the reinforcing member 5 aligned with the guide edge portion 11, the reinforcing member 5 and the positioning jig 100 are moved together with respect to the beam-side through-hole 95 to determine the position of the positioning jig 100 with respect to the beam-side marking lines 8 and position the reinforcing member 5.

Description

Technical Field

[0001] The present disclosure relates to a positioning method and a positioning jig.

Background Art

[0002] Patent Document 1 discloses a beam through-hole reinforcing member having a substantially circular ring shape and provided with a through-hole in the central portion. Patent Document 1 describes that when attaching this beam through-hole reinforcing member to a through-hole provided in a beam, the scoring lines of the beam through-hole reinforcing member and the scoring lines of the through-hole provided in the beam are aligned and attached respectively.

[0003] Patent Document 2 discloses a steel frame beam reinforcing fitting and a steel frame beam reinforcing structure. This steel frame beam reinforcing fitting is for reinforcing a steel frame beam in which a through-hole penetrating in the thickness direction is formed in a web portion. This steel frame beam reinforcing fitting includes a main body portion formed in an annular shape having substantially the same central axis as the through-hole of the steel frame beam. On one end face in the axial direction of this main body portion, a contact end face substantially parallel to the side face of the web portion of the steel frame beam is formed, and its outer shape is formed larger than the cross-sectional shape of the through-hole of the steel frame beam, and a protruding portion protruding in the axial direction is formed on the contact end face. In this steel frame beam reinforcing fitting, by fitting the protruding portion into the through-hole of the steel frame beam, the central axis of the steel frame beam reinforcing fitting and the central axis of the through-hole of the steel frame beam can be accurately aligned, and the positioning of the steel frame beam reinforcing fitting can be performed.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Patent Document 2

Summary of the Invention

Problems to be Solved by the Invention

[0005] In conventional technology, as exemplified in Patent Documents 1 and 2, markings such as scribe lines were pre-marked on reinforcing members installed in through-holes of objects to be reinforced, such as beams, or a structure that fits into the through-holes of beams was provided to assist in positioning the through-holes of the object to be reinforced and the reinforcing members. However, when scribe lines are drawn after the manufacturing of the reinforcing member, the positional accuracy of the scribe lines is affected by the molding accuracy of the reinforcing member, and it may not be possible to guarantee the positional accuracy of the scribe lines. When scribe lines are drawn during the manufacturing process of the reinforcing member, for example, it becomes impossible to cut after drawing the scribe lines, thus reducing the flexibility of the manufacturing process. When a positioning structure is provided on the reinforcing member, high-precision molding or cutting is required, which increases manufacturing costs. For these reasons, there is a need for an inexpensive positioning method and positioning jig for reinforcing members that reinforce beams having through-holes.

[0006] This disclosure has been made in view of the above circumstances, and its purpose is to provide an inexpensive positioning method and positioning jig for reinforcing members that reinforce beams having through holes. [Means for solving the problem]

[0007] The positioning method relating to this disclosure for achieving the above objective is: A positioning method for positioning a plate-shaped reinforcing member having a member-side through-hole corresponding to the beam-side through-hole, using a plate-shaped positioning jig having a guide edge that is shaped along a part of the outer circumference of the plate surface of the reinforcing member, wherein the plate-shaped reinforcing member has a member-side through-hole that corresponds to the beam-side through-hole, Two or more positioning beam-side marking lines are displayed in the area outside the beam-side through-hole of the beam. With the outer periphery of the plate surface of the reinforcing member aligned with the guide edge, the reinforcing member and the positioning jig are moved together with respect to the beam-side through-hole to determine the position of the positioning jig with respect to the beam-side marking line and position the reinforcing member.

[0008] The positioning jig relating to this disclosure for achieving the above objective is, A positioning jig for positioning a plate-shaped reinforcing member having member-side through holes corresponding to the beam-side through holes, on a beam having beam-side through holes formed therein and two or more positioning beam-side marking lines marked in the area outside the beam-side through holes, The reinforcing member comprises a plate-shaped main body having a guide edge portion which is a side portion shaped to follow a part of the outer circumference of the reinforcing member. [Effects of the Invention]

[0009] According to this disclosure, it is possible to provide an inexpensive positioning method and positioning jig for reinforcing members that reinforce beams having through holes. [Brief explanation of the drawing]

[0010] [Figure 1] This is an explanatory diagram of the positioning jig in use according to the first embodiment. [Figure 2] This is a front view of the positioning jig according to the first embodiment. [Figure 3] This is a right side view of the positioning jig according to the first embodiment. [Figure 4] This is a left side view of the positioning jig according to the first embodiment. [Figure 5] This is a top view of the positioning jig according to the first embodiment. [Figure 6] This is a bottom view of the positioning jig according to the first embodiment. [Figure 7] This is an explanatory diagram of the reinforcing member. [Figure 8] This is an explanatory diagram of the reinforcement structure. [Figure 9] This is a cross-sectional view taken along the line IX-IX in Figure 8. [Figure 10] This is a front view of the beam. [Figure 11] This is a diagram illustrating the positioning method according to the first embodiment. [Figure 12] This is an explanatory diagram illustrating the usage state of a positioning jig according to a modified example 1 of the first embodiment. [Figure 13] This is an explanatory diagram illustrating the usage state of the positioning jig according to a modified example 2 of the first embodiment. [Figure 14] It is an explanatory drawing of the usage state of the positioning jig according to Modification 3 of the first embodiment. [Figure 15] It is an explanatory drawing of the usage state of the positioning jig according to the second embodiment. [Figure 16] It is a front view of the positioning jig according to the second embodiment. [Figure 17] It is an explanatory drawing of the usage state of the positioning jig according to the third embodiment. [Figure 18] It is a front view of the positioning jig according to the third embodiment.

Mode for Carrying Out the Invention

[0011] (First Embodiment) With reference to the drawings, a positioning method and a positioning jig according to an embodiment of the present disclosure will be described.

[0012] First, an outline of the positioning method according to the embodiment will be described.

[0013] The positioning method according to the present embodiment is a positioning method using a plate-shaped positioning jig having a guide side portion which is a side portion along a part of the outer peripheral portion of the plate surface of the reinforcing member when positioning a plate-shaped reinforcing member having a member-side through hole corresponding to the beam-side through hole on a beam in which the beam-side through hole is formed, displaying two or more beam-side scoring lines in a region outside the beam-side through hole in the beam, and moving the reinforcing member and the positioning jig integrally with respect to the beam-side through hole with the outer peripheral portion of the plate surface of the reinforcing member along the guide side portion, and positioning the reinforcing member by determining the position of the positioning jig with respect to the beam-side scoring line.

[0014] According to the positioning method according to the present embodiment, an inexpensive positioning method when positioning a plate-shaped reinforcing member having a member-side through hole corresponding to the beam-side through hole on a beam in which the beam-side through hole is formed can be provided.

[0015] The positioning method according to this embodiment is implemented, for example, by a plate-shaped jig 100, as shown in Figures 1 to 6. Figure 1 shows a diagram illustrating the positioning jig 100 (hereinafter referred to as jig 100) in use according to this embodiment. Figure 2 shows a front view of jig 100. Figures 3 to 6 are, in this order, the right side view, left side view, top view, and bottom view of jig 100.

[0016] The jig 100 is a positioning jig for positioning a plate-shaped reinforcing member 5, which has member-side through holes 55 corresponding to the beam-side through holes 95, on a beam 9, which has beam-side through holes 95 formed therein and two or more positioning beam-side marking lines 8 marked in the area outside the beam-side through holes 95. The jig 100 comprises a plate-shaped main body 1 having a guide edge portion 11 which is an edge portion shaped to follow a part of the outer circumference of the reinforcing member 5 (main body portion 50).

[0017] The positioning method and positioning jig according to the embodiment will be described in detail below. First, the positioning jig 100 and the beam 9 and reinforcing member 5 using it will be described in detail.

[0018] Figure 1 shows a diagram illustrating the use of the jig 100 to position the reinforcing member 5 on the beam 9 according to the positioning method of this embodiment. Figure 2 shows a front view of the jig 100. In this embodiment, the front view refers to a view taken along a direction perpendicular to the plate surface.

[0019] In Figure 1, the orientation of the beam 9 in the longitudinal direction (extension direction) is indicated as orientation X1 and X2. In this embodiment, for the sake of explanation, the side with orientation X1 is described as left, and the side with orientation X2 is described as right. Also, the upward direction in the vertical direction is indicated as upward Y1, and the downward direction is indicated as downward Y2, with the side with upward Y1 being described as up, and the side with downward Y2 being described as down.

[0020] An example of the beam 9 is an H-shaped steel having plate-shaped flange portions 91, 91 and plate-shaped web portions 92 perpendicular to the flange portions 91, 91. The beam-side through-hole 95 can be formed, for example, as a hole penetrating the web portion 92. The beam-side through-hole 95 may be circular in shape as illustrated in this embodiment, or it may be polygonal in shape instead of circular.

[0021] The reinforcing member 5 is a member that reinforces the vicinity of the beam-side through-hole 95 in the beam 9 when combined with the beam 9 which has the beam-side through-hole 95.

[0022] As shown in Figure 7, the reinforcing member 5 includes, for example, a plate-shaped main body portion 50. Figure 7 is a front view of the reinforcing member 5. The member-side through hole 55 is a hole that penetrates the main body portion 50 and is located in the central part of the main body portion 50 in a front view (viewpoint along the direction perpendicular to the plate surface). The member-side through hole 55 may be circular in shape as illustrated in this embodiment, or it may be polygonal instead of circular. As shown in Figures 1 and 7, in a front view, the reinforcing member 5 has a roughly annular shape, for example, with the outer circumference being polygonal (e.g., octagonal) or a shape combining straight edges and arc-shaped edges. The reinforcing member 5 may have a cylindrical portion 59 extending from the outer part of the circumference of the member-side through hole 55 in a direction perpendicular to the plate surface of the main body portion 50. In this embodiment, the case where the reinforcing member 5 is octagonal in a front view is illustrated, and each side of the octagon is a straight edge.

[0023] As shown in Figures 8 and 9, the reinforcing member 5 can be configured as a reinforcing structure 200 by having the member-side through-hole 55 overlap with the beam-side through-hole 95 of the beam 9, and by having the plate surface of the main body portion 50 abut against and along the web portion 92, and then fixing it to the web portion 92 by welding. Figure 9 is a cross-sectional view taken along the line IX-IX shown in Figure 8.

[0024] As shown in Figures 1 to 6, the jig 100 includes a plate-shaped main body 1.

[0025] As shown in Figures 1 and 2, the main body 1 may be formed in a shape that follows an arc, for example. In this embodiment, the case in which the main body 1 follows an arc of more than half the circumference of a circle (in Figures 1 and 2, half the circumference of a circle) when viewed from the front is illustrated. That is, in this embodiment, as shown in Figure 2, the plate surface of the main body 1 is formed in an arc shape that follows a continuous area of ​​more than half the circumference of the through hole 55 on the member side when viewed from above.

[0026] As shown in Figures 1 and 2, the main body 1 may, for example, have a guide edge 11 (see Figures 2 and 3) which is an edge shaped along a part of the outer circumference of the reinforcing member 5 (see Figure 1), a non-guide edge 12 (see Figures 2 and 4) which is an arc-shaped edge along the outer circumference of the beam-side through-hole 95 (see Figure 1), and a positioning edge 13 (Figures 2, 4, and 5) and a positioning edge 14 (Figures 2, 4, and 6) which are edges between the guide edge 11 and the non-guide edge 12. In this embodiment, the guide edge 11 is an edge that is positioned further away from the beam-side through-hole 95 than the non-guide edge 12.

[0027] Figures 3 and 4 are the right and left side views of the jig 100 in the state shown in Figures 1 and 2, respectively. Figures 5 and 6 are the top and bottom views of the jig 100 in the state shown in Figures 1 and 2, respectively. In Figures 3 to 6, the orientation of the main body 1 in the thickness direction is indicated by orientations Z1 and Z2. Orientations Z1 and Z2 correspond to the axial orientation of the beam-side through-hole 95 or member-side through-hole 55 (see Figure 1 for each), specifically the front side (front side in the illustration) and the back side (back side in the illustration).

[0028] As shown in Figure 2, the guide edge 11 is shaped to follow one of the two halves obtained by dividing the outer circumference of the octagonal reinforcing member 5 (see Figure 1) so that it is symmetrical. In this embodiment, the guide edge 11 follows the shape of the outer circumference of the reinforcing member 5, with four corners, from the upper end of edge 13 (the outer end of the arc in the arc shape of the main body 1 as seen from edge 13) to the lower end of edge 14 (the outer end of the arc in the arc shape of the main body 1 as seen from edge 14). The upper end of edge 13 and the adjacent corner and the edge between them, the edge between each corner, and the lower end of edge 14 and the adjacent corner and the edge between them are all formed in a straight line.

[0029] The non-guide edge 12 can have a shape that follows an arc of more than half the circumference of a circle (half the circumference in Figures 1 and 2), and Figures 1 and 2 illustrate the case where it follows half the circumference of a circle. It is not essential that the non-guide edge 12 be arc-shaped. It is also not essential that the non-guide edge 12 follow the outer circumference of the beam-side through-hole 95 (see Figure 1). However, if the non-guide edge 12 follows the outer circumference of the beam-side through-hole 95 or the member-side through-hole 55, the jig 100 may be easier for the user to use.

[0030] The positioning edges 13 and 14 are edges perpendicular to the non-guide edge 12. The positioning edges 13 and 14 are edges parallel to each other. The positioning edges 13 and 14 are edges that overlap on the same straight line.

[0031] The main body 1 may be made of a metal plate, such as a stainless steel plate or a plate of an iron alloy such as steel (steel plate). Alternatively, the main body 1 may be made of plastic or cardboard. The main body 1 may also be made of a magnet, such as a rubber magnet.

[0032] If the main body 1 is a metal plate, the main body 1 may be formed by cutting out the metal plate material using laser cutting. This allows for an inexpensive and accurate jig. If the main body 1 is a metal plate, the jig-side marking lines 2 may be drawn on the main body 1 with a laser during cutting. This allows for an inexpensive and accurate drawing of the jig-side marking lines 2.

[0033] The main body 1 may be, for example, a plate with a thickness of 2 mm to 9 mm. More preferably, a plate with a thickness of 2 mm to 5 mm (specifically 3.2 mm) is preferable because it allows for the provision of a less expensive positioning jig 100.

[0034] The dimensions of the main body 1, for example, the distance between the upper end of side 13 and the lower end of side 14, are, for example, between 140 mm and 550 mm. The lengths of sides 13 and 14 are, for example, between 8 mm and 30 mm.

[0035] In this way, an inexpensive positioning jig 100 can be provided for a reinforcing member 5 that reinforces a beam 9 having a beam-side through hole 95.

[0036] The positioning method according to this embodiment will be described in detail below.

[0037] Figure 10 shows a beam 9 which is an H-shaped steel beam with beam-side through-holes 95 formed in the web portion 92. Figure 10 is a view of the beam 9 with the web portion 92 viewed from the front. First, a beam-side scribe marking process is performed to mark two or more positioning beam-side scribe lines 81 to 84 in the area outside the beam-side through-holes 95 of the beam 9. The scribe lines 81 to 84 may be drawn with paint, ink, pigment or dye, or they may be drawn as scratches or markings. The scribe lines 81 to 84 may be drawn as straight lines, or as circles, triangles, or marks.

[0038] The marking lines 81 to 84 may be drawn in a straight line, for example, along the radial direction of the beam-side through-hole 95. In this embodiment, the case in which the marking lines 81 to 84 are arranged at equal intervals (90° intervals) along the circumference of the beam-side through-hole 95 is illustrated as an example.

[0039] The beam-side marking lines 82 and 84 (an example of the first beam-side marking lines) may be lines that run along the longitudinal direction of beam 9. The beam-side marking lines 81 and 83 (an example of the second beam-side marking lines) may be lines that run along the beam depth direction of beam 9 (a direction perpendicular to the longitudinal direction of beam 9).

[0040] Furthermore, as shown in Figure 2, a jig-side scribe line display step is performed on the plate surface of the main body 1 of the jig 100, displaying a jig-side scribe line 2 that corresponds to the position of at least one of the scribe lines 81 to 84. In this embodiment, the jig-side scribe line 2 is displayed at an intermediate position between the positioning edges 13 and 14 on the main body 1. In other words, the jig-side scribe line 2 is displayed at a position corresponding to the position that bisects the non-guide edge 12 on the main body 1. The jig-side scribe line 2 is displayed as a line extending in a direction perpendicular to the positioning edges 13 and 14. The jig-side scribe line 2 may be displayed on one side of the plate surface of the main body 1, or on both sides. Note that the beam-side scribe line display step and the jig-side scribe line display step may be performed one before the other, or both may be performed simultaneously.

[0041] Then, as shown in Figure 11, a jig positioning step is performed in which the outer periphery of the plate surface of the reinforcing member 5 and the guide edge 11 of the jig 100 are aligned.

[0042] In this embodiment, the jig placement process involves overlapping the jig 100 and the reinforcing member 5 in the thickness direction of the jig 100, with the outer periphery of the plate surface of the reinforcing member 5 aligned with the guide edge 11. Figures 1 and 11 show the case where the guide edge 11 is aligned with the outer periphery of the left side of the reinforcing member 5, from the inside of the plate surface area of ​​the reinforcing member 5 in a front view. In the jig overlapping placement process in this embodiment, with the outer periphery of the plate surface of the reinforcing member 5 aligned with the guide edge 11, in a front view (with the jig 100 and the reinforcing member 5 overlapping in the thickness direction of the jig 100), the contour of the guide edge 11 and a part of the contour of the outer periphery of the plate surface of the reinforcing member 5 overlap (coincide).

[0043] Furthermore, a through-hole overlap arrangement process is performed in which the reinforcing member 5 overlaps with the web portion 92 of the beam 9, and the through-holes 55 on the member side and the through-holes 95 on the beam side generally overlap.

[0044] Note that the jig placement process (jig overlapping placement process) and the through-hole overlapping placement process can be performed in any order. In addition, in the jig placement process (jig overlapping placement process) and the through-hole overlapping placement process, the jig 100, reinforcing member 5, and web portion 92 are overlapped in the order from the front side to the back side. Also, the jig 100 should face forward with the side on which the marking line 2 is drawn.

[0045] Then, with the outer periphery of the plate surface of the reinforcing member 5 aligned with the guide edge, the reinforcing member 5 and the jig 100 are moved together relative to the beam-side through-hole 95, and the positioning process is performed to determine the position of the positioning jig relative to the beam-side marking lines 81-84 and position the reinforcing member 5.

[0046] In the example shown in Figure 11, the positioning process involves moving the reinforcing member 5 and the jig 100 together so that the positioning edges 13 and 14 are aligned with beam-side marking lines 81 and 83, among the beam-side marking lines 81 to 84. In other words, in the edge positioning process, the position of the jig 100 relative to the beam-side marking lines 81 and 83 can be determined to position the reinforcing member 5.

[0047] In addition, in the example shown in Figure 11, a marking line positioning step is performed in which the reinforcing member 5 and the jig 100 are moved together so that, among the beam-side marking lines 81 to 84, either beam-side marking line 82 or beam-side marking line 84 and the jig-side marking line 2 are aligned in a straight line. That is, in the marking line positioning step, the reinforcing member 5 may be positioned by aligning the position of the jig-side marking line 2 with the beam-side marking line 84.

[0048] In the positioning process, the edge positioning process and the scribed line positioning process can be performed in any order; the order does not matter.

[0049] This positioning process guides the reinforcing member 5 to the jig 100 and the beam-side marking lines 81-84, positioning it at a desired location on the web portion 92 (for example, a position where the center of the member-side through-hole 55 and the center of the beam-side through-hole 95 overlap) (see Figure 1).

[0050] In the example shown in Figure 11, the reinforcing member 5 and the jig 100 are moved together in the upper right direction in the figure, and the positioning edges 13, 14 and the jig-side marking line 2 are positioned relative to the beam-side marking lines 81, 83 and beam-side marking line 82, thereby positioning the reinforcing member 5.

[0051] After the positioning process, the jig 100 is separated from the reinforcing member 5, and the outer periphery of the reinforcing member 5 is joined to the web portion 92 by welding or other means. Before or during this joining, the reinforcing member 5 may be temporarily fixed to the web portion 92 by clamping or other means.

[0052] In this way, an inexpensive method for positioning a reinforcing member 5 that reinforces a beam 9 having a beam-side through-hole 95 can be provided.

[0053] (Modification 1 of the first embodiment) In the above embodiment, as shown in Figures 1 and 11, the jig 100 was described as being used with the guide edge 11 aligned along the outer circumference of the left side of the reinforcing member 5. However, the jig 100 may also be used along the lower side of the outer circumference of the reinforcing member 5, as shown in Figure 12. Similarly, it may be used along the upper side of the outer circumference of the reinforcing member 5. Of course, it may also be used along the right side of the outer circumference of the reinforcing member 5.

[0054] (Modification 2 of the first embodiment) In the above embodiment, as shown in Figures 1 and 2, the main body 1 of the jig 100 was described as having a shape that follows an arc of more than half a circle (half a circle in Figures 1 and 2) when viewed from the front. However, the main body 1 may also have a shape that follows an arc of one-quarter a circle, as shown in Figure 13. That is, the plate surface of the main body 1 may be formed into an arc shape that follows a continuous one-quarter region around the member-side through hole 55 (see Figure 1) when viewed from above.

[0055] In this case, the guide edge 11 is shaped to follow one of the four equal parts obtained by dividing the outer circumference of the octagonal reinforcing member 5 (see Figure 1) into four equal parts, each having the same shape.

[0056] In this modified example, the positioning edges 13 and 14 are edges that are perpendicular to each other. Figure 13 illustrates the case where edge 14 is an edge that is aligned with the longitudinal direction of the beam 9. In this modified example 2, the jig 100 does not require the jig-side marking line 2.

[0057] In this modified example 2, in the positioning process, only the edge positioning process may be performed, and the reinforcing member 5 and the jig 100 may be moved together so that the positioning edges 13 and 14 are aligned with adjacent beam-side marking lines 81 and 82 among the beam-side marking lines 81 to 84. That is, in the edge positioning process, the position of the jig 100 may be determined with respect to the beam-side marking lines 81 and 82 to position the reinforcing member 5.

[0058] (Modification 3 of the first embodiment) In the above embodiment, as shown in Figures 1 and 2, the reinforcing member 5 is exemplified as having a polygonal shape (octagonal shape) when viewed from the front, and the jig overlapping placement process and positioning process in this case were explained. However, the reinforcing member 5 is not limited to having a polygonal shape, and the outer periphery of the reinforcing member 5 may be curved, straight, or a combination of curved and straight. Figure 14 shows a case in which the outer periphery of the reinforcing member 5 is formed by a combination of an arc-shaped edge and a straight edge adjacent to this edge. Even in this case, if the guide edge 11 of the main body 1 of the jig 100 is shaped to follow one of the two halves obtained by dividing the outer periphery of the reinforcing member 5 so that it is symmetrical, the positioning method according to the embodiment can be realized using the jig 100. In this modified example 3, the case in which the jig 100 is used along the lower surface of the outer periphery of the reinforcing member 5 is illustrated and explained, similar to the example in modified example 1.

[0059] (Second embodiment) In the first embodiment described above, as shown in Figure 1, the reinforcing member 5 was described as having a polygonal (octagonal) shape on its outer periphery when viewed from the front. It was also described that the main body 1 has a guide edge 11 which is a side that follows a part of the outer periphery of the reinforcing member 5, and a non-guide edge 12 which is an arc-shaped side that follows the outer periphery of the beam-side through-hole 95, and that the guide edge 11 is positioned further away from the beam-side through-hole 95 than the non-guide edge 12. Furthermore, in the jig overlapping placement process, the case in which the guide edge 11 of the main body 1 of the jig 100 is aligned with the outer periphery of the left side of the reinforcing member 5 from the inside of the plate surface area of ​​the reinforcing member 5 when viewed from the front was described as an example. The second embodiment differs from the first embodiment in that, as shown in Figure 15, the reinforcing member 5 has a circular shape on its outer periphery when viewed from the front, and in the jig 100, the guide edge 11 is positioned closer to the beam-side through-hole 95 than the non-guide edge 12. Furthermore, the second embodiment differs from the first embodiment in that, in the jig placement process, the jig 100 and the reinforcing member 5 are not overlapped in the thickness direction. The second embodiment is otherwise generally the same as the first embodiment. The following will focus on explaining the differences from the first embodiment.

[0060] As shown in Figure 16, the main body 1 has a circular arc shape that is half the size of a circle when viewed from the front.

[0061] In this embodiment, the non-guide edge portion 12 does not necessarily have to be arc-shaped, but it may be arc-shaped as an example.

[0062] In this embodiment, the guide edge 11 is arc-shaped, following the shape of the outer circumference of the reinforcing member 5 (see Figure 15).

[0063] As shown in Figure 15, in the jig placement process, the outer surface of the outer periphery of the plate surface of the reinforcing member 5 is aligned with the guide edge 11. In the jig placement process in this embodiment, the guide edge 11 is aligned with the outer periphery of the left side of the reinforcing member 5, from the outside of the plate surface area of ​​the reinforcing member 5 in a front view, so that the entire guide edge 11 is in contact with the outer surface of the outer periphery of the plate surface of the reinforcing member 5.

[0064] In this embodiment as well, the jig placement process and the through-hole overlapping placement process may be performed in any order.

[0065] Subsequently, by performing a positioning process with the outer surface of the reinforcing member 5 aligned with the guide edge 11, the reinforcing member 5 is guided by the jig 100 and the beam-side marking lines 81-84 and positioned at the desired location on the web portion 92.

[0066] (Third embodiment) In the first embodiment (excluding Modification 2) and the second embodiment described above, the case in which the main body 1 of the jig 100 follows a circular arc shape of 1 / 2 of a circle when viewed from the front was illustrated as shown in Figures 1 and 15. It was then explained that the positioning process includes a side positioning process and a scribed line positioning process. In Modification 2 of the first embodiment, the case in which the main body 1 follows a circular arc shape of 1 / 4 of a circle was illustrated as shown in Figure 13. It was then explained that the positioning process includes only a side positioning process. The third embodiment differs from the second embodiment in that the main body 1 of the jig 100 is annular, and the positioning process includes only a scribed line positioning process, as shown in Figure 17. Otherwise, it is generally the same as the second embodiment. The following will focus on explaining the differences from the second embodiment.

[0067] As shown in Figure 18, in this embodiment, the main body 1 is formed in an annular shape. Four jig-side marking lines 2 are arranged in an annular shape on the main body 1 at equal intervals (90° intervals).

[0068] In this embodiment, the guide edge 11 is circular in shape, following the shape of the outer circumference of the reinforcing member 5 (see Figure 17).

[0069] In this embodiment, the non-guide edge portion 12 does not necessarily have to be circular in shape, but it may be circular as an example.

[0070] As shown in Figure 17, in the jig placement process, the outer periphery of the plate surface of the reinforcing member 5 is aligned with the guide edge 11. In the jig placement process in this implementation, the reinforcing member 5 is fitted into the ring formed by the guide edge 11, and the guide edge 11 is aligned from the outside of the plate surface area of ​​the reinforcing member 5. This can improve the workability of the positioning process performed after the jig placement process, for example, when the thickness of the reinforcing member 5 is thick, compared to placing the jig 100 overlapping with the plate surface of the reinforcing member 5. Furthermore, even if the manufacturing accuracy of the reinforcing member 5 is poor, by aligning the guide edge 11 along the entire outer periphery of the reinforcing member 5, it may be possible to perform the positioning process accurately without centering the reinforcing member 5.

[0071] In the positioning process, only the marking line positioning process is performed as described above. In the marking line positioning process, the reinforcing member 5 and the jig 100 are moved together so that the beam-side marking lines 81 to 84 and each of the four jig-side marking lines 2 are aligned in a straight line, thereby positioning the reinforcing member 5 at the desired position on the web portion 92.

[0072] As described above, an inexpensive positioning method and positioning jig for reinforcing members that reinforce beams having through holes can be provided.

[0073] [Another embodiment] (1) In the above embodiment, the case in which the non-guide edge portion 12 is arc-shaped was described as an example, but the non-guide edge portion 12 is not limited to an arc shape. For example, the non-guide edge portion 12 may be a combination of a straight edge portion and a corner portion. To give a specific example, the non-guide edge portion 12 may be an angular U-shape (like the Japanese character "コ").

[0074] (2) In the above embodiment, when the main body 1 of the jig 100 is shaped to follow an arc of 1 / 2 or more of a circle when viewed from the front, a specific example was given in which the main body 1 is shaped to follow an arc of 1 / 2 of a circle when viewed from the front. Then, a case was described in which a jig-side marking line display step is performed in which a jig-side marking line 2 is displayed on the plate surface of the main body 1 of the jig 100 so that its position corresponds to at least one of the marking lines 81 to 84. Furthermore, as a positioning step, a case was described in which the reinforcing member 5 and the jig 100 are moved together so that the positioning edges 13 and 14 are aligned with the beam-side marking lines 81 and 83 among the beam-side marking lines 81 to 84.

[0075] In the above embodiment, if the main body 1 of the jig 100 is shaped to follow an arc exceeding half a circle when viewed from the front, it is preferable to perform a jig-side marking line display step in which jig-side marking lines 2 are displayed on the plate surface of the main body 1 of the jig 100, with their positions corresponding to at least two of the marking lines 81 to 84. In this case, the edge positioning step can be omitted in the positioning step. Then, in the marking line positioning step, the reinforcing member 5 may be positioned by aligning the positions of the two jig-side marking lines 2 with two of the beam-side marking lines 81 to 84.

[0076] Furthermore, the configurations disclosed in the above embodiments (including other embodiments, the same applies hereinafter) can be applied in combination with configurations disclosed in other embodiments, as long as no inconsistencies arise. Also, the embodiments disclosed herein are illustrative, and the embodiments of this disclosure are not limited thereto and can be modified as appropriate without departing from the purpose of this disclosure. [Industrial applicability]

[0077] This disclosure is applicable to inexpensive positioning methods and positioning jigs. [Explanation of symbols]

[0078] 1: Main body 100: Jig (positioning jig) 11: Guide edge 12: Non-guide edges 13: Positioning edge 14: Positioning edge 2: Marking lines on the jig side 200: Reinforcement structure 5: Reinforcement member 50: Main body 55: Through hole on the member side 59:Cylinder part 8: Beam-side marking lines 81: Beam side marking line 82: Beam side marking line 83: Beam side marking line 84: Beam side marking line 9: Beam 91: Flange section 92: Web Department 95: Beam side through hole X1: Direction (left) X2: Direction (right) Y1:Upward Y2 :Downward Z1: Direction (towards the front) Z2: Direction (backward)

Claims

1. A positioning method for positioning a plate-shaped reinforcing member having a member-side through-hole corresponding to the beam-side through-hole, using a plate-shaped positioning jig having a guide edge that is shaped along a part of the outer circumference of the plate surface of the reinforcing member, wherein the plate-shaped reinforcing member has a member-side through-hole that corresponds to the beam-side through-hole, Two or more positioning beam-side marking lines are displayed in the area outside the beam-side through-hole of the beam. A positioning method for positioning the reinforcing member by aligning the outer periphery of the plate surface of the reinforcing member with the guide edge, moving the reinforcing member and the positioning jig together with respect to the beam-side through-hole, and determining the position of the positioning jig with respect to the beam-side marking line.

2. The positioning method according to claim 1, wherein the reinforcing member is positioned by aligning the position of the end of the guide edge with the beam side marking line.

3. A jig-side marking line corresponding to the beam-side marking line is displayed on the plate surface of the positioning jig. The positioning method according to claim 1, wherein the reinforcing member is positioned by aligning the position of the jig-side marking line with the beam-side marking line.

4. A jig-side marking line corresponding to the beam-side marking line is displayed on the plate surface of the positioning jig. The positioning method according to claim 2, wherein the reinforcing member is positioned by aligning the position of the jig-side marking line with the beam-side marking line.

5. The positioning method according to claim 1, wherein the beam-side marking line includes a marking line along the longitudinal direction of the beam or the beam depth direction of the beam.

6. The aforementioned beam-side marking line is, The first beam-side marking line along the longitudinal direction of the beam, This includes a second beam-side marking line along the beam depth direction of the aforementioned beam, The positioning method according to claim 2, wherein the reinforcing member is positioned by aligning the position of the end of the guide edge with the first beam-side marking line and the second beam-side marking line.

7. The positioning method according to any one of claims 1 to 6, wherein the positioning jig and the reinforcing member are placed so that they overlap in the thickness direction of the positioning jig, and the outer peripheral portion of the plate surface of the reinforcing member is aligned with the guide edge, thereby positioning the reinforcing member.

8. The positioning method according to any one of claims 1 to 6, wherein the reinforcing member is positioned with its outer peripheral surface aligned with the guide edge.

9. The positioning method according to any one of claims 1 to 6, wherein the plate surface of the positioning jig is formed in an arc shape that, when viewed from above, follows a continuous area of ​​1 / 2 or more of the periphery of the through hole on the member side.

10. The positioning method according to claim 6, wherein the plate surface of the positioning jig is formed in an arc shape that, when viewed from above, follows a continuous 1 / 4 region around the through hole on the member side.

11. A positioning jig for positioning a plate-shaped reinforcing member having member-side through holes corresponding to the beam-side through holes, on a beam having beam-side through holes formed therein and two or more positioning beam-side marking lines marked in the area outside the beam-side through holes, A positioning jig comprising a plate-shaped main body having a guide edge portion which is an edge portion shaped to follow a part of the outer circumference of the reinforcing member.

12. The positioning jig according to claim 11, wherein the main body is shaped to follow a quarter-circle arc when viewed from the front.

13. The positioning jig according to claim 11, wherein the main body portion has a jig-side marking line displayed on the plate surface at a position corresponding to the beam-side marking line.

14. The positioning jig according to claim 13, wherein the main body is shaped to follow an arc of more than half the circumference of a circle when viewed from the front.

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