JP2018162564A - Vibration control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vibration control device in which workability of work for fixing an upper transmission member to an upper beam is improved.SOLUTION: An vibration damping device 11 includes an upper transmission member 18 to which horizontal vibration of an upper beam 1A is inputted, a lower transmission member 13 to which horizontal vibration of a lower beam 1B is input, a damper 28 which is provided between the upper transmission member 18 and the lower transmission member 13 and buffers a relative displacement between the upper transmission member 18 and the lower transmission member 13. An upper attachment member 22 is attached to a lower surface 1 A1 of the upper beam 1A. The upper transmission member 18 is fixed to the upper beam 1A via an upper attachment member 22 by a screw 24. A temporary attachment part 25 capable of fixing the upper transmission member 18 to the upper attachment member 22 is provided in the upper attachment member 22 and the upper transmission member 18 in a state before being fastened by a screw 24.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a vibration control device that absorbs vibration of a structure.

  In general, in a vibration control device used in a house, a damper is disposed between an upper transmission member provided on an upper beam of a structure and a lower transmission member provided on a lower beam of the structure. In this case, when the relative displacement between the upper transmission member and the lower transmission member occurs during the vibration of the structure, the damper performs an expansion / contraction operation by the relative displacement. Thereby, the damping device has absorbed the vibration of the structure (for example, refer to patent documents 1).

JP2013-133635A

  By the way, when the upper transmission member is fixed to the upper beam, the vibration control device according to Patent Document 1 must be screwed with the other hand while lifting the upper transmission member with one hand. There is a problem that it is difficult to fix to the beam.

  The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a vibration control device that improves workability when the upper transmission member is fixed to the upper beam. .

  In order to solve the above-described problems, the vibration control device according to the present invention is applied to a structure in which a left column and a right column separated in the left and right directions are provided between an upper beam and a lower beam, and the structure A vibration control device that absorbs vibration of an object, wherein an upper transmission member to which horizontal vibration of the upper beam is input, a lower transmission member to which horizontal vibration of the lower beam is input, and the upper transmission A damper provided between a member and the lower transmission member, for buffering relative displacement between the upper transmission member and the lower transmission member, and an upper mounting member for fixing an upper portion of the upper transmission member to the upper beam, A lower mounting member that fixes a lower portion of the lower transmission member to the lower beam; and a fastening member that fastens the upper mounting member and the upper transmission member. The upper mounting member and the upper transmission member include In a state before being fastened by the fastening member, Serial temporarily fixing unit fixable to the upper transmission member to the upper mounting member is characterized in that it is provided.

  According to the present invention, it is possible to improve workability of work when the upper transmission member is fixed to the upper beam.

1 is a perspective view showing a vibration control device according to an embodiment of the present invention. It is a perspective view which expands and shows the upper beam, the upper transmission member, and the upper attachment member of the damping device in FIG. It is sectional drawing of the principal part expansion which looked at the upper beam in FIG. 2, the upper transmission member, and the upper attachment member from the arrow III-III direction. It is a perspective view which shows an upper attachment member alone.

  Hereinafter, a vibration control device according to an embodiment of the present invention will be described in detail with reference to FIGS.

  In FIG. 1, the vibration control device 11 is applied to an upper beam 1A, a lower beam 1B, a left column 2A, and a right column 2B that constitute a structure. Here, the vibration control device 11 is attached to a structure such as a newly built or already constructed wooden building, a lightweight steel frame house, or the like. The upper beam 1A is horizontally mounted so as to support a ceiling plate (not shown) of the structure, and the lower beam 1B is fixed to the foundation of the structure. Further, between the upper beam 1A and the lower beam 1B, the left column 2A and the right column 2B stand up apart from each other in the left and right directions.

  The vibration control device 11 is provided in a space formed by the upper beam 1A, the lower beam 1B, the left column 2A, and the right column 2B. The seismic control device 11 includes a lower mounting member 12, a lower transmission member 13, an upper transmission member 18, an upper mounting member 22, a damper 28, and the like. The lower transmission member 13 is attached to the upper surface 1B1 of the lower beam 1B via the lower attachment member 12, and the upper transmission member 18 is attached to the lower surface 1A1 of the upper beam 1A via the upper attachment member 22. A damper 28 is provided between the upper end of the lower transmission member 13 and the lower end of the upper transmission member 18. The vibration control device 11 absorbs the vibration of the structure using the damper 28 when, for example, horizontal (left, right) vibration is input to the structure due to an earthquake.

  Two lower mounting members 12 are provided on the upper surface 1B1 of the lower beam 1B so as to be spaced apart in the left and right directions. Each lower mounting member 12 is formed as a U-shaped (U-shaped) connecting bracket using a metal material such as iron, and is attached to the upper surface 1B1 of the lower beam 1B using screws (not shown) or the like. Yes. Each lower mounting member 12 fixes the lower transmission member 13 using a plurality of screws 14 with the wide portion 13A of the lower transmission member 13 sandwiched therebetween.

  The lower transmission member 13 is located between the left column 2A and the right column 2B, and extends upward from the lower beam 1B to the upper and lower intermediate portions of the left column 2A and the right column 2B. The lower transmission member 13 is formed in a rectangular shape or a trapezoidal shape using a structural plywood or the like, for example, with the lower portion serving as a wide portion 13A and the upper portion serving as a narrow portion 13B. The lower transmission member 13 receives horizontal vibration of the lower beam 1B through the left column 2A and the right column 2B.

  The wide portion 13 </ b> A of the lower transmission member 13 is attached to the lower attachment member 12 by a plurality of screws 14 while being sandwiched between the lower attachment member 12 in the front and rear directions. Thereby, the lower transmission member 13 is attached to the lower beam 1 </ b> B via the lower attachment member 12. On the other hand, one end side (bottom side) of a later-described damper 28 is attached to the narrow portion 13B of the lower transmission member 13 via a bottom side attachment member 15.

  The bottom side attachment member 15 is attached to the narrow portion 13B of the lower transmission member 13. The bottom side attachment member 15 is formed of a metal material such as iron, for example. And the bottom side attachment member 15 contains the lower transmission member attachment part 15A attached to the narrow part 13B of the lower transmission member 13, and the damper attachment part 15B provided in the upper surface side of the lower transmission member attachment part 15A. It is configured.

  The lower transmission member attachment portion 15A is formed, for example, in a U-shape, and is fixed to the lower transmission member 13 using a plurality of screws 16 with the narrow portion 13B of the lower transmission member 13 sandwiched therebetween. Yes. On the other hand, the damper mounting portion 15B has a lower end fixed to the upper surface of the lower transmission member mounting portion 15A by welding or the like. One end side (bottom side) of the damper 28 is attached to the upper end side of the damper attachment portion 15B via a pin 17.

  Next, the upper transmission member 18 provided between the upper beam 1A and the lower transmission member 13 will be described.

  The upper transmission member 18 is located between the left column 2A and the right column 2B, and extends downward from the upper beam 1A to the upper and lower intermediate portions of the left column 2A and the right column 2B. The upper transmission member 18 is formed in a rectangular shape or a trapezoidal shape using, for example, a structural plywood or the like, with the upper portion being a wide portion 18A and the lower portion being a narrow portion 18B. The upper transmission member 18 receives horizontal vibration of the upper beam 1A through the left column 2A and the right column 2B.

  The wide portion 18A of the upper transmission member 18 is attached to an upper attachment member 22 described later. Accordingly, the upper transmission member 18 is attached to the upper beam 1A via the upper attachment member 22. The wide portion 18A is formed with a concave portion 26 (described later) that is recessed in a concave shape from the front surface 18A1 toward the rear surface 18A2 and that extends in parallel with the upper beam 1A. The concave portion 26 formed in the wide portion 18A of the upper transmission member 18 constitutes a part of a temporary fixing portion 25 described later. On the other hand, the other end side (rod side) of a damper 28 described later is attached to the narrow portion 18B of the upper transmission member 18 via a rod side mounting member 19 described later.

  The rod side attachment member 19 is attached to the narrow portion 18B of the upper transmission member 18. The rod side mounting member 19 is formed of a metal material such as iron, for example. The rod side attachment member 19 includes an upper transmission member attachment portion 19A attached to the narrow portion 18B of the upper transmission member 18, and a damper attachment portion 19B provided on the lower surface side of the upper transmission member attachment portion 19A. It is configured.

  The upper transmission member mounting portion 19A is formed, for example, in a U shape (U shape), and is fixed to the upper transmission member 18 using a plurality of screws 20 with the narrow portion 18B of the upper transmission member 18 sandwiched therebetween. Yes. On the other hand, the damper mounting portion 19B has its upper end fixed to the lower surface of the upper transmission member mounting portion 19A by welding or the like. The other end side (rod side) of the damper 28 is attached to the lower end side of the damper attachment portion 19B via a pin 21. Thereby, the lower transmission member 13 and the upper transmission member 18 are connected via the damper 28 mentioned later.

  Next, the upper mounting member 22 that fixes the upper transmission member 18 to the upper beam 1A will be described.

  Two upper mounting members 22 are provided on the lower surface 1A1 of the upper beam 1A so as to be spaced apart in the left and right directions. Each upper mounting member 22 is formed as a U-shaped (U-shaped) connecting metal fitting by using a metal material such as iron. Each upper mounting member 22 includes a mounting plate portion 22A that is mounted on the lower surface 1A1 of the upper beam 1A, and a front plate that extends downward from both front and rear ends of the mounting plate portion 22A and faces frontward and rearward. The portion 22B, the rear plate portion 22C, and a convex portion 27 described later bent from the lower end side of the front plate portion 22B to the rear plate portion 22C or the mounting plate portion 22A side.

  As shown in FIG. 4, a plurality of screw insertion holes 22 </ b> A <b> 1 are formed in the mounting plate portion 22 </ b> A of each upper mounting member 22 so as to be separated in the left, right direction, front, and rear directions. As shown in FIG. 3, each upper mounting member 22 is fixed to the upper beam 1A by inserting a plurality of screws 23 into the respective screw insertion holes 22A1 and fastening them to the lower surface 1A1 side of the upper beam 1A.

  A wide portion 18A of the upper transmission member 18 is inserted between the front plate portion 22B and the rear plate portion 22C of each upper mounting member 22. For this reason, the dimension between the front plate part 22 </ b> B and the rear plate part 22 </ b> C is substantially the same as the thickness of the upper transmission member 18. That is, in a state where the wide portion 18A of the upper transmission member 18 is inserted into the upper mounting member 22, the front plate portion 22B contacts the front surface 18A1 of the upper transmission member 18, and the rear plate portion 22C is the rear surface of the upper transmission member 18. 18A2 abuts. Further, the front plate portion 22B and the rear plate portion 22C are configured such that the lower end side (free end side) is bent and deformed forward and rearward with the upper end side (mounting plate portion 22A side) as a fulcrum.

  As shown in FIG. 4, a plurality of screw insertion holes 22 </ b> B <b> 1 are formed in the front plate portion 22 </ b> B so as to be spaced apart upward, downward, leftward, and rightward. Similarly, a plurality of screw insertion holes 22C1 (only two are shown in FIG. 4) are formed in the rear plate portion 22C so as to be spaced apart in the upward, downward, leftward, and rightward directions. As shown in FIG. 3, the upper transmission member 18 is fixed to the upper beam 1 </ b> A by inserting a plurality of screws 24 into the screw insertion holes 22 </ b> B <b> 1 and 22 </ b> C <b> 1 of the upper mounting member 22 and fastening them to the upper transmission member 18. ing. Each screw 24 constitutes a fastening member of the present invention that fastens the upper mounting member 22 and the upper transmission member 18. And the convex-shaped part 27 which comprises some temporary fixing parts 25 mentioned later is provided in the lower end side of the front board part 22B.

  Next, the temporary fixing portion 25 provided on the upper transmission member 18 and the upper mounting member 22 will be described.

  The temporary fixing portion 25 is provided on the upper transmission member 18 and the upper mounting member 22. The temporary fixing portion 25 allows the upper transmission member 18 to be preliminarily fixed to the upper mounting member 22 in a state before the upper transmission member 18 and the upper mounting member 22 are fastened by the screw 24. The temporary fixing portion 25 includes a concave portion 26 provided on the upper transmission member 18 and extending in parallel with the upper beam 1 </ b> A, and a convex portion 27 provided on the upper mounting member 22 and fitted into the concave portion 26 of the upper transmission member 18. It is made up of.

  The concave portion 26 is located in the wide portion 18A of the upper transmission member 18, and is formed in a concave shape that is recessed from the front surface 18A1 to the rear surface 18A2 of the wide portion 18A. The concave portion 26 is formed in a size that allows the convex portion 27 of the upper mounting member 22 to be inserted (fitted), and extends from the left end to the right end of the upper transmission member 18. The concave portion 26 includes an upper surface 26A and a lower surface 26B that extend in parallel with the upper beam 1A and face each other in the upper and lower directions, and a bottom surface 26C that connects the bottom portions of the upper surface 26A and the lower surface 26B. The upper surface 26 </ b> A of the concave portion 26 is a support surface that supports the upper transmission member 18 by the contact of the tip 27 </ b> A of the convex portion 27 when the wide portion 18 </ b> A of the upper transmission member 18 is inserted into the upper mounting member 22. Contact surface).

  The convex portion 27 is located on the lower end side of the front plate portion 22B of the upper mounting member 22 and extends left and right. Specifically, the convex portion 27 is bent in a U shape from the lower end of the front plate portion 22B toward the rear side (rear plate portion 22C side) at a position corresponding to the concave portion 26 of the upper transmission member 18. It is formed as a pawl and extends from the left end of the upper mounting member 22 to the right end. The convex portion 27 is fitted into the concave portion 26 of the upper transmission member 18 in a state where the upper transmission member 18 is inserted into the upper mounting member 22.

  In this case, the tip 27A of the convex portion 27 is in contact with the upper surface 26A of the concave portion 26 to support the upper transmission member 18. That is, when the upper transmission member 18 is inserted into the upper mounting member 22, the concave portion 26 of the upper transmission member 18 and the convex portion 27 of the upper mounting member 22 are fitted to each other so that the upper transmission member 18 becomes the upper mounting member 22. It is designed not to fall out.

  Thus, the upper transmission member 18 is temporarily fixed to the upper mounting member 22 and positioned in the upward and downward directions. Therefore, when the upper transmission member 18 and the upper mounting member 22 are fastened by the screw 24, the operator does not need to press (lift) the upper transmission member 18 with one hand in order to position the upper transmission member 18. It is possible to improve the workability of the work of attaching the to the upper attachment member 22. Further, since the upper transmission member 18 is supported by the convex portion 27 of the upper mounting member 22, the mounting strength in the upper and lower directions (vertical direction) can be increased.

  The damper 28 is provided between the upper end of the lower transmission member 13 and the lower end of the upper transmission member 18. The damper 28 includes a cylinder 28A filled with hydraulic oil, a piston (not shown) that slides inside the cylinder 28A, and a piston rod 28B coupled to the piston. The end portion (one end side) of the cylinder 28 </ b> A is fixed to the narrow portion 13 </ b> B of the lower transmission member 13 via the bottom side attachment member 15. In addition, the end portion (the other end side) of the piston rod 28 </ b> B is fixed to the narrow portion 18 </ b> B of the upper transmission member 18 via the rod side mounting member 19. Thereby, the damper 28 attenuates the relative displacement due to vibration between the lower transmission member 13 and the upper transmission member 18 by a damping valve (not shown) provided in the piston.

  The vibration control device 11 according to the present embodiment has the above-described configuration, and the operation thereof will be described next.

  When horizontal vibration is input to the structure to which the vibration control device 11 is attached by an earthquake, the horizontal relative between the left column 2A and the right column 2B via the upper beam 1A and the lower beam 1B. Displacement occurs. The relative displacement generated between the left column 2A and the right column 2B is input to the damper 28 through the lower mounting member 12, the upper mounting member 22, the lower transmission member 13, and the upper transmission member 18. Accordingly, the damper 28 absorbs vibration energy by generating a damping force when the piston slides in the cylinder 28A.

  Next, a method for attaching the vibration control device 11 to the structure will be described.

  First, the bottom side attachment member 15 is attached to the narrow portion 13B of the lower transmission member 13 using a plurality of screws 16. Further, the rod side attachment member 19 is attached to the narrow portion 18B of the upper transmission member 18 using a plurality of screws 20. And the lower attachment member 12 is attached to the upper surface 1B1 of the lower beam 1B using a screw (not shown).

  Further, the upper mounting member 22 is attached to the lower surface 1A1 of the upper beam 1A using screws 23. Specifically, the screw 23 is fastened to the upper beam 1A from the screw insertion hole 22A1 formed in the mounting plate portion 22A with the mounting plate portion 22A of the upper mounting member 22 in contact with the lower surface 1A1 of the upper beam 1A. Let

  Next, the lower transmission member 13 is fixed to the lower beam 1B. Specifically, the wide portion 13 </ b> A of the lower transmission member 13 is inserted into the lower attachment member 12, and the lower transmission member 13 is attached to the lower attachment member 12 using a plurality of screws 14. Thereby, the lower part (wide part 13A) of the lower transmission member 13 is fixed to the lower beam 1B via the lower attachment member 12.

  Next, the upper transmission member 18 is fixed to the upper beam 1A. In this case, in the vibration damping device described in the prior art described above, when fixing the upper transmission member to the upper beam, the upper transmission member must be screwed with the other hand while lifting the upper transmission member with one hand, There is a problem that it is difficult to attach the upper transmission member to the upper beam. Further, the upper transmission member has a predetermined width dimension and weight, and it may be difficult to perform an operation of fixing the upper transmission member to the upper beam unless two or more workers are present.

  Therefore, in the present embodiment, temporary fixing portions 25 are provided on the upper transmission member 18 and the upper mounting member 22. The temporary fixing portion 25 temporarily fixes the upper transmission member 18 to the upper mounting member 22 at a stage before the upper transmission member 18 and the upper mounting member 22 are fastened with the screws 24. The temporary fixing portion 25 includes a concave portion 26 provided on the upper transmission member 18 and a convex portion 27 provided on the upper mounting member 22 and fitted into the concave portion 26.

  That is, when the wide portion 18A of the upper transmission member 18 is inserted into the upper mounting member 22, the front surface 18A1 of the upper transmission member 18 comes into contact with the tip 27A side of the convex portion 27 and the front plate of the upper mounting member 22 The portion 22B is expanded (bends and deforms). When the concave portion 26 formed on the front surface 18A1 of the upper transmission member 18 reaches the convex portion 27 of the upper mounting member 22, the convex portion 27 is biased toward the rear plate portion 22C of the front plate portion 22B. Thus, it is fitted (fitted) into the concave portion 26.

  In this case, the tip 27 </ b> A of the convex portion 27 contacts the upper surface 26 </ b> A of the concave portion 26. Thereby, the convex portion 27 of the upper mounting member 22 supports the upper transmission member 18 so that it does not fall out of the upper mounting member 22. Further, the upper transmission member 18 is positioned by fitting the concave portion 26 and the convex portion 27 together.

  Then, with the upper transmission member 18 temporarily fixed to the upper mounting member 22, a plurality of screws 24 are fastened to the upper transmission member 18 from a plurality of screw insertion holes 22B1 formed in the front plate portion 22B of the upper mounting member 22, respectively. Can be made. Similarly, a plurality of screws 24 can be fastened to the upper transmission member 18 from screw insertion holes 22C1 formed in the rear plate portion 22C of the upper mounting member 22, respectively. Thereby, the upper part (wide part 18A) of the upper transmission member 18 is fixed to the upper beam 1A via the upper mounting member 22.

  Next, one end side (bottom side) of the damper 28 is attached to the damper attachment portion 15 </ b> B of the bottom side attachment member 15 provided on the upper end side of the lower transmission member 13 via the pin 17. Further, the other end side (rod side) of the damper 28 is attached to a damper attachment portion 19 </ b> B of the rod side attachment member 19 provided on the lower end side of the upper transmission member 18 via a pin 21. Thus, the damper 28 is attached between the narrow portion 13B of the lower transmission member 13 and the narrow portion 18B of the upper transmission member 18.

  Finally, a wall panel (not shown) is attached between the left column 2A and the right column 2B so as to cover the vibration control device 11 installed as described above. Thereby, the operation | work which attaches the damping device 11 to a structure is complete | finished.

  Thus, according to the present embodiment, the temporary fixing portion 25 that can temporarily fix the upper transmission member 18 to the upper mounting member 22 when the upper transmission member 18 is fixed to the upper beam 1A is provided. The temporary fixing portion 25 is configured by a concave portion 26 provided on the upper transmission member 18 and extending in parallel with the upper beam 1 </ b> A, and a convex portion 27 provided on the upper mounting member 22 and fitted into the concave portion 26. . Thereby, the positioning of the upper transmission member 18 can be easily performed, and the workability of the operation of attaching the upper transmission member 18 to the upper attachment member 22 can be improved. Further, since the upper transmission member 18 is supported by the convex portion 27 of the upper mounting member 22, the mounting strength in the upper and lower directions (vertical direction) can be increased.

  In the above-described embodiment, the case where the concave portion 26 is provided on the front surface 18A1 of the upper transmission member 18 and the convex portion 27 is provided on the lower end side of the front plate portion 22B of the upper mounting member 22 will be described as an example. did. However, the present invention is not limited to this. For example, the concave portion may be provided on the rear surface 18A2 of the upper transmission member 18, and the convex portion may be provided on the lower end side of the rear plate portion 22C of the upper mounting member 22. Further, the concave portion may be provided on the front surface 18A1 and the rear surface 18A2 of the upper transmission member 18, and the convex portion may be provided on both the front plate portion 22B and the rear plate portion 22C of the upper mounting member 22.

  In the above-described embodiment, the concave portion 26 is provided so as to extend from the left end of the upper transmission member 18 to the right end, and the convex portion 27 is extended from the left end of the front plate portion 22B of the upper mounting member 22 to the right end. The case where it is provided to extend has been described as an example. However, the present invention is not limited to this, and for example, a plurality of concave portions are provided in the left and right portions of the upper transmission member 18 or spaced apart in the left and right directions, and the convex portions correspond to the positions of the concave portions. May be provided.

  In the above-described embodiment, the case where two upper mounting members 22 are provided apart from each other in the left and right directions of the upper beam 1A has been described as an example. However, the present invention is not limited to this. For example, one upper mounting member 22 may be provided on the upper beam 1A, or three or more upper mounting members 22 may be provided.

  In the above-described embodiment, the upper mounting member 22 is coupled by the mounting plate portion 22A and the front plate portion 22B and the rear plate portion 22C that extend downward from both front and rear ends of the mounting plate portion 22A. The case where it was formed in a letter shape (U shape) has been described as an example. However, the present invention is not limited to this. For example, the upper mounting member may be formed in two L shapes so as to sandwich the upper transmission member 18.

  As described above, as the vibration control device based on the above-described embodiment, for example, the following modes can be considered.

  As a first aspect, the present invention is applied to a structure in which a left column and a right column separated in the left and right directions are provided between an upper beam and a lower beam and absorbs vibrations of the structure. The upper transmission member to which the horizontal vibration of the upper beam is input, the lower transmission member to which the horizontal vibration of the lower beam is input, and between the upper transmission member and the lower transmission member A damper for buffering relative displacement between the upper transmission member and the lower transmission member, an upper mounting member for fixing an upper part of the upper transmission member to the upper beam, and a lower part of the lower transmission member at the lower part A lower mounting member that is fixed to the beam, and a fastening member that fastens the upper mounting member and the upper transmission member, and the upper mounting member and the upper transmission member before being fastened by the fastening member. In the state, the upper transmission with respect to the upper mounting member. Damping apparatus characterized by temporarily fixing part fixable is provided a member.

  As a second aspect, in the first aspect, the temporary fixing portion is provided in the upper transmission member and extends in parallel with the upper beam; and the upper mounting member is provided in the upper transmission member. A vibration control device comprising a convex portion that fits into the concave portion.

  As a third aspect, in the second aspect, the upper mounting member includes a mounting plate portion to be mounted on the upper beam, and a front and a rear that extend downward from both front and rear ends of the mounting plate portion. The convex shape provided on at least one of the front plate portion and the rear plate portion at a position corresponding to the concave portion of the upper transmission member and the front plate portion, the rear plate portion facing each other in the direction Control device characterized by comprising a part.

1A Upper beam 1B Lower beam 2A Left column 2B Right column 11 Damping device 12 Lower mounting member 13 Lower transmission member 13A Wide portion (lower)
18 Upper transmission member 18A Wide part (upper)
22 Upper mounting member 22A Mounting member 22B Front plate portion 22C Rear plate portion 24 Screw (fastening member)
25 Temporary fixing part 26 Concave part 27 Convex part 28 Damper

Claims (3)

A damping device that is applied to a structure in which a left column and a right column that are spaced left and right are provided between an upper beam and a lower beam, and that absorbs vibrations of the structure,
An upper transmission member to which horizontal vibration of the upper beam is input;
A lower transmission member to which horizontal vibration of the lower beam is input;
A damper that is provided between the upper transmission member and the lower transmission member and cushions relative displacement between the upper transmission member and the lower transmission member;
An upper mounting member for fixing an upper portion of the upper transmission member to the upper beam;
A lower mounting member for fixing a lower portion of the lower transmission member to the lower beam;
A fastening member for fastening the upper mounting member and the upper transmission member;
Is provided,
The upper mounting member and the upper transmission member are provided with a temporary fixing portion capable of fixing the upper transmission member to the upper mounting member in a state before being fastened by the fastening member. apparatus.   The temporary fixing portion includes a concave portion provided in the upper transmission member and extending in parallel with the upper beam, and a convex portion provided in the upper mounting member and fitted into the concave portion of the upper transmission member. The vibration control device according to claim 1.   The upper mounting member includes a mounting plate portion attached to the upper beam, a front plate portion that extends downward from both front and rear ends of the mounting plate portion, and a front plate portion and a rear plate portion that face in the rear direction; 3. The convex portion provided on at least one of the front plate portion and the rear plate portion at a position corresponding to the concave portion of the upper transmission member. The listed vibration control device.

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