JP3094065U - Attaching plate mounting bracket - Google Patents

Abstract

(57) [Summary] [Problem] To provide an inexpensive attachment plate mounting bracket for rotatably attaching an attachment plate to a bracket, a beam, or the like. According to the present invention, there is provided an attachment plate mounting bracket for attaching an attachment plate used when joining a bracket and a beam of a steel column of a building to the beam or the like so as to be rotatable. In the mounting bracket, a substantially linear pivot portion formed by bending a round bar, a pair of arm portions bent from both ends of the pivot portion, and a pair of the arm portions extending from the pair of arm portions, A shaft member having a pair of mounting shaft portions attached to the contact plate, and a substantially semi-cylindrical cross section having a substantially semicircular shape, which is welded to the beam or the like to rotatably support the pivot portion of the shaft member. Characterized by having a bearing member

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  INDUSTRIAL APPLICABILITY The present invention is applicable to brackets, beams, etc. of steel frame columns used in construction of construction steel frames on site. The present invention relates to a mounting plate mounting bracket for mounting a mounting plate to.

[0002]

[Prior art]

  The steel frame of the building is constructed by welding or the like at the factory, as shown in FIG. Are manufactured, and these are assembled at the construction site. This building site First, the steel frame column 13 is stood upright and fixed, and the attachment plates 17a, 17b, 1 The beam 15 to which 7c is temporarily fixed with a bolt is transported by a crane and the bracket of the steel column 13 is bracketed. The attachment plate 17a that is temporarily fixed to the 14 and the beam 15 from both sides against the abutting portions of the webs 16a and 16b of the beam 15 and the bolt. And the beam 15 is fixed to the bracket 14. After that, an attachment plate is attached to the beam 15. Remove the temporary fixing bolt that temporarily fixes 17b, and bracket this attachment plate 17b. When it is applied to the abutting portions of the flanges 18a and 18b of the girder 14 and the beam 15 from above. Attach the attachment plate 17c from below and fix it with bolts as shown in FIG. The beam 15 is fixed to the ket 14.

[0003]   Conventionally, the splicing plate 17a is used for the webs 16a, 16b of the bracket 14 and the beam 15. To apply it to the abutting part from both sides, attach the contact plate 17a temporarily fixed by the operator. Remove the bolt, move it into place, adjust the hole position and insert the bolt into the hole. It was complicated and fixed. However, this attachment plate 17a cannot be transported or attached. When the attachment plate 17a is heavy, it may weigh more than 10 kg. It was very dangerous because of the high working place.

[0004]   Therefore, the splicing plate 17a is attached to the web 16b of the beam 15 with a mounting tool as shown in FIG. Installed, rotate the attachment plate 17a around the bolt at the construction site. The beam 15 against the bracket 14 and then the attachment plate 17a is bolted. Rotate back about the center and return the webs 16a, 16b ( (See Fig. 1) Applying the attachment plates 17a from both sides to the butted part and fixing them with bolts It is constructed by the method. However, this fixture requires a lot of man-hours for mounting, and the welding length is It is determined to be 40 mm or more according to the Society Construction Standards (JASS6-1996), but especially It is difficult to secure it at the welding part of the attachment part to the splicing plate, There were drawbacks such as easy occurrence of welding defects (undercut, etc.).

[0005]   Therefore, the attachment plate mounting metal fitting which improved the mounting tool used in this method It was invented by the inventors and is disclosed in Japanese Patent Laid-Open No. 10-299102. The basic structure of this attachment plate mounting bracket 1m is as shown in FIG. A tubular body 2j having a lid on its part, a tubular body 2j having a lid on the other end, and It is composed of a rod-shaped body 3c which is inserted into a hole of a cylindrical body having a lid. this The splicing plate mounting metal fitting 1m is one which solves the drawbacks of the above-mentioned known methods, Although it can be put to practical use, since it is designed with a heavy splicing plate in mind, the weight is There was a problem that it was too expensive to use for a splicing plate of about 20 kg or less.

[0006]

[Problems to be solved by the device]

  This invention is used to fix the abutting parts of steel column brackets, beams, etc. Inexpensive to attach the splicing plate to the bracket or beam so that it can rotate The purpose of the present invention is to provide a simple attachment plate fitting.

[0007]

[Means for Solving the Problems]

  The above-mentioned problem is solved by the splicing board according to any one of the following configurations (1) to (11) of the present invention. It can be solved by mounting metal fittings.     (1) Attachments used when joining steel frame brackets and beams of buildings Attaching plate for mounting the contact plate on the beam so that it can rotate. And a substantially linear pivot formed by bending a round bar and the two ends of this pivot. And a pair of arm portions formed by being bent and extending from the pair of arm portions. A shaft member provided with a pair of mounting shaft parts attached to the attachment plate, and a disconnection member. The surface has a substantially semi-circular shape and is welded to the beam, etc. Attachment plate having a bearing member for rotatably supporting the portion Mounting hardware.     (2) Attachments used to join steel frame brackets and beams of buildings The attachment plate mounting bracket for attaching the contact plate such as the beam so that it can rotate. And a plurality of substantially linear pivots formed by bending a round bar and the pivots. Arm parts formed by bending from both ends of the And a plurality of mounting shafts that are attached to the splicing plate and are adjacent to each other. A shaft member that is a series of both mounting shaft parts between the pivot parts, and a cross section is almost It is a semi-circular, almost semi-cylindrical shape that is welded to the beam, etc. and rotates the pivot part of the shaft member. Splicing plate removal, characterized in that it is provided with a plurality of bearing members for supporting it as much as possible Bracket.     (3) The length of the mounting shaft portion of the shaft member and the bearing member is 40 mm or less. The above-mentioned attachment plate mounting metal fitting of (1) or (2).     (4) The bearing member is formed by pressing a rectangular metal plate. The attachment plate mounting bracket according to any one of (1) to (3).     (5) Notches are formed on both ends of at least the side of the bearing member on the side of the attachment plate. The splicing plate attachment fitting according to any one of claims 1 to 4, which is provided with a groove.     (6) The length of the remaining portion left by the notch on the side of the bearing member is provided. , The splicing plate mounting metal fitting of (5) above, which is 40 mm or more.     (7) At least below the side of the bearing member on the side of the attachment plate Attaching the splicing plate according to any of (1) to (4) above, in which the end portion is provided with a roll. Metal fittings.     (8) When the thickness of the splicing plate is t, the diameter D of the shaft member is t-4 mm. The attachment plate mounting metal fitting according to any one of claims 1 to 7, wherein the attachment metal fitting is about tmm.     (9) The bearing member is prevented from rotating more than a predetermined angle with respect to the bearing member. Any one of the above (1) to (8), characterized in that an eyelid prevention member is provided. Attachment plate mounting bracket.     (10) At least the upper and lower ends of the side of the bearing member on the side of the contact plate are cut off. The splicing plate attachment fitting according to any one of the above (1) to (9), which is missing.     (11) At least the lower end of the side of the bearing member on the side of the contact plate is turned up. The attachment plate mounting metal fitting according to any one of (1) to (9) above.

[0008]

[Embodiment of device]

  Hereinafter, referring to FIG. 3 and subsequent figures, the attachment plate mounting bracket according to the embodiment of the present invention will be described. explain about.   First, referring to FIGS. 3 and 4, the splicing plate removal according to the first embodiment of the present invention will be described. The structure of the mounting bracket will be described.   The splicing plate mounting member 10 according to the first embodiment of the present invention is formed by bending a round bar. And a substantially linear pivot portion 11a, and both end portions of the pivot portion 11a are bent. A pair of arm portions 11b and 11c formed by bending and the pair of arm portions 1 It bends outward from 1b and 11c, extends substantially parallel to the pivot 11a, and A shaft portion including a pair of mounting shaft portions 11d and 11e mounted on the contact plate 17a. The material 11 and a substantially semi-cylindrical shape having a substantially semi-circular cross section are welded to the beam or the like, A bearing member 12 for rotatably supporting the pivot 11a of the shaft member 11 is provided. I am. The specific sectional shape of the bearing member 12 is as shown in FIG. In addition, it is desirable that the shape is half that of a land track, and The side wall portions 12a are straight and the top portion 12 straddling the side wall portions 12a is formed. It is preferable that b has a semicircular shape. And the space between the side wall portions 12a (A space between the inner sides of the both side wall portions 12a) has a predetermined gap a on both sides of the pivot 11a. And the distance between the top of the pivot 11a and the top 12b of the bearing member 12 is It is preferable that the gap is twice the gap a. Where each side wall The length of the minute portion 12a and the radius of the top portion 12 are both equal to the radius + a of the pivot portion 11a. To be Incidentally, it is preferable that the above-mentioned a is about 1.0 to 1.5 mm. Good

[0009]   The lengths of the mounting shaft portions 11d and 11e of the shaft member 11 and the bearing member 12 are , 40 mm or more is preferable. As a result, each of the above-mentioned parts and Easily secure a contact length of 40 mm or more, which is the standard of the Japan Institute of Architecture (JASS6-1996) can do. If not, to ensure a weld length of 40 mm or more However, turning welding or the like must be performed, which makes welding difficult. In addition, the shaft part The upper limits of the lengths of the mounting shafts 11d and 11e of the material 11 and the bearing member 12 are However, it is about 60 mm from the economical point of view.

[0010]   The diameter D of the shaft member 11 is t-4, where t is the thickness of the splicing plate 17a. It is preferably about mm to tmm or less. If this diameter D is less than the above range If so, there is a high possibility that welding will become difficult and there will be a problem in strength. On the other hand, if it exceeds the above range, the cost becomes high. Normally, the splicing plate has a thickness t of 9 mm Since 12 mm is used, D is 5 to 9 m when t is 9 mm. When m and t are 12 mm, it is preferable that D is 8 to 12 mm. Good

[0011]   Next, an example of how to use the attachment plate mounting bracket 10 will be described. Instead, the splicing plate 17a is fixed to the web 16b of the beam 15 with a plurality of temporary bolts B. In this state, the attachment of the shaft member 11 of the attachment plate attachment fitting 10 The shaft portions 11d and 11e are welded and fixed to the end edge of the splicing plate 17a, and then the shaft portions of FIG. 4 and FIG. 4, the pivot member 11a of the shaft member 11 is covered with the bearing member 12, and Both edges are fixed to the web 16b by welding. From the above, the attachment plate 17a , Is attached to the web 16b so as to be rotatable around the bearing member 12. Well Similarly, the attachment plate 17a is rotatably attached to the back surface as well.

[0012]   Then, after the steel column 13 (see FIG. 1) is erected, the temporary bolt B is removed, and the attachment plate 17 a is expanded as shown by the chain line in FIG. 4, the bracket 14 of the steel column 13 is The beam 15 is butted to the eve 16b. In this state of abutting, the splicing plate 1 7a is closed and fixed with bolts.

[0013]   Next, referring to FIG. 5, a splicing plate attachment metal according to a second embodiment of the present invention. To explain the structure of the tool, in this embodiment, one mounting shaft portion, in this example, One of the mounting shaft portions 11d is parallel to the pivot shaft portion 11a, and the first portion 11d-1 (adding plate 17a) extending at a right angle to the first portion, that is, the It has a second portion 11d-2 extending along the upper edge of the contact plate 17a, The 1st part 11d-1 and the 2nd part 11d-2 are the edge of the splicing board 17a, and the edge of the upper edge. Each is fixed by welding. In the case of this form, the first portion 11 The total length of d-1 and the second portion 11d-2 may be 40 mm or more.

[0014]   Next, referring to FIG. 6, a splicing plate attachment metal according to a third embodiment of the present invention. To explain the structure of the tool, in this embodiment, one mounting shaft portion, in this example, The mounting shaft portion 11d on one side is not bent from the arm portion 11b, On the other hand, it extends in a straight line. In this form, the attachment shaft portion 11d is attached Only the upper edge of the plate 17a is welded and fixed.   Therefore, in this example, in order to obtain a sufficient welding length, the welding is performed along the upper edge of the splicing plate 17a. It is preferable that the portion 11d is 40 mm or more.

[0015]   Next, referring to FIG. 7, a splicing plate attachment metal according to a fourth embodiment of the present invention. The structure of the tool 110 will be described. In this embodiment, the shaft member 111 bends the round bar. A plurality of (two in the illustrated example) pivot parts that are formed and are substantially linear 112, 113 and a plurality (( In the example of the figure, four arm portions 114, 115, 116, 117 and a plurality of these are provided. Of the steel pillars extending perpendicularly from the tips of the arm portions 114, 115, 116, 117 of the (Three in the illustrated example) of mounting shafts 118 that are mounted on the bracket of , 119, and 120. In this example, there are two pivots between them It has a structure in which the mounting shaft part of is a series. This is shown in Figure 7. If the attachment plate 17a is large (heavy), use two or more attachment plate fittings. It will be necessary to attach it, but if it is integrated as in this example, it will be handled It is convenient. In the case of this example, the length of the mounting shaft 119 between the two pivots is If the length is 4 mm or more, the length may be twice the length of the mounting shaft portion 118 or the like or less. Yes. Also in this example, the pivot portions 112 and 113 are provided with the web 16b as shown in the figure. It is rotatably supported by the bearing member 12 welded to the.

[0016]   FIG. 8 is a plan view of the deformed bearing member 200 and shows at least the attachment plate 1. The upper and lower ends of the side edge 202 on the 7a side are notched to provide a notch 204. It If there is no notch, weld this end to the arm 10b, etc. Because, as a result, the shaft member 11 may not be able to rotate. It

[0017]   FIG. 9 is a plan view of the bearing member 210 which is further deformed, and at least the splice The lower end of the side edge 212 on the plate 17a side is rolled up to provide a rolled up portion 214. Has been. If the rolled-up portion 214 is not provided, molten metal may drop during welding. It falls and welds the arm part 10b and the web 16b, etc., and as a result, the shaft part This is because the material 11 may not be able to rotate. That is, this winding The raised portion 214 is a member for preventing the molten metal from dropping.

[0018]   FIG. 10 is a perspective view of the bearing member 220 which is further modified. The material 220 is formed by cutting the upper and lower ends of the side edge 222 on the side of the attachment plate 17a at right angles as shown in the figure. A notch 224 is formed by cutting (conversely, a portion on the side opposite to the splicing plate 17a). Is projected upward and downward), whereby the stop portion 226 is provided. . The stop 226 rotates the shaft member 11 at a predetermined angle (not more than 45 degrees). Is preferable) to prevent the splicing plate from tilting. This meaning Then, the stop portion acts as a tilt preventing member. In this way, prevent tilt If not, the splicing plate may rotate more than necessary and the workability tends to be impaired. As shown in FIG. 11, the anti-rotation members are provided on both sides of the bearing member 220. If so, the directivity is lost and the usability of the bearing member 220 is improved.

[0019]   The above-mentioned attachment plate mounting bracket of the present invention can be manufactured at low cost, and the attachment plate is It can be easily attached to a racket, beam, etc. so that it can be rotated.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining a place for attaching a splicing plate and a method for attaching the splicing plate.

FIG. 2 is a perspective view showing a state in which a splicing plate is attached.

FIG. 3 is a front view for explaining a method of using the splicing plate mounting member according to the first embodiment of the present invention.

FIG. 4 is a view for explaining the structure of the attachment plate mounting member shown in FIG. 3, in which (a) is a partial cross-section shown with the upper flange removed (hatching is added for clarity of the drawing. It is a plan view (not shown) (in this figure, a black dot shows a welded portion), and FIG.

FIG. 5 is a front view for explaining a method of using the splicing plate attachment fitting according to the second embodiment of the present invention.

FIG. 6 is a front view for explaining a method of using the splicing plate attachment fitting according to the third embodiment of the present invention.

FIG. 7 is a front view for explaining a method of using a splicing plate mounting member according to a fourth embodiment of the present invention.

FIG. 8 is a front view showing a modified example of the bearing member.

FIG. 9 is a front view showing another modification of the bearing member.

FIG. 10 is a perspective view showing still another modified example of the bearing member.

FIG. 11 is a perspective view showing still another modified example of the bearing member.

FIG. 12 is a front view for explaining a method of using a conventional splicing plate mounting member.

FIG. 13 is a front view for explaining how to use another conventional attachment plate mounting bracket.

[Explanation of symbols]

B Temporary bolt 10 Attachment plate mounting bracket 11 Shaft member 11a Axis part 11b Arm part 11c arm part 11d mounting shaft 11e Mounting shaft 12 Bearing member 17a Saddle plate

Claims (11)

[Scope of utility model registration request] 1. A splicing plate mounting fixture for rotatably mounting a splicing plate used for joining a bracket of a steel column of a building to a beam or the like, by bending a round bar. A substantially linear pivot portion formed, a pair of arm portions formed by bending from both ends of the pivot portion, and a pair of attachment shafts extending from the pair of arm portions and attached to the splicing plate. A shaft member having a section and a substantially semi-cylindrical shape whose cross section is substantially semi-circular,
A splicing plate attachment fitting, comprising a bearing member that is welded to the beam or the like and rotatably supports the pivot portion of the shaft member. 2. A splicing plate mounting bracket for rotatably mounting a splicing plate used for joining a bracket of a steel column of a building to a beam or the like,
A plurality of substantially linear pivot portions formed by bending a round bar, a plurality of arm portions formed by bending from both ends of these pivot portions, and extending from the plurality of arm portions,
With a plurality of mounting shafts attached to the splicing plate, a shaft member in which both mounting shafts between adjacent pivots are in a series, and a substantially semi-cylindrical shape having a substantially semicircular cross section, A splicing plate mounting fixture, comprising a plurality of bearing members welded to the beam or the like and rotatably supporting a pivot portion of the shaft member. 3. The splicing plate mounting member according to claim 1, wherein the mounting shaft portion of the shaft member and the bearing member have a length of 40 mm or more. 4. The splicing plate attachment fitting according to claim 1, wherein the bearing member is formed by press-molding a rectangular metal plate. 5. The attachment plate attachment fitting according to any one of claims 1 to 4, wherein notches are provided at both ends of a side of the bearing member on the side of the attachment plate. 6. The splicing plate attachment fitting according to claim 5, wherein a notch on a side of the bearing member is provided and a remaining portion has a length of 40 mm or more. 7. The attachment plate fitting according to claim 1, wherein at least an end portion of a lower side portion of the bearing member on a side closer to the attachment plate is provided with a roll. 8. The diameter D of the shaft member is about t-4 mm to tmm, where t is the thickness of the splicing plate.
The attachment plate mounting bracket of any of ~ 7. 9. The attachment plate attachment according to claim 1, wherein the bearing member is provided with a tilt preventing member for preventing the attachment plate from rotating more than a predetermined angle. Metal fittings. 10. The attachment plate fitting according to claim 1, wherein at least upper and lower edges of a side of the bearing member on the attachment plate side are cut out. 11. The attachment plate attachment fitting according to claim 1, wherein at least a lower end of a side of the bearing member on the attachment plate side is rolled up.