JP2000336972A - Vibration control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To hold a transmission member for propagating vibrations to a damper device. SOLUTION: In the vibration control device 10, a damper device 11 is installed between a lower transmission member 16 and an upper transmission member 17. Control members 33, 34 extending in the horizontal direction (the C direction) are penetrated into the lower transmission member 16 and the upper transmission member 17. The control members 33, 34 control movement in the vertical direction and longitudinal direction of the lower transmission member 16 and the upper transmission member 17, sliding on the member 16 and the member 17 when vibrations in the horizontal direction (the C direction) by an earthquake are propagated to a lower beam 13 and an upper beam 14. Accordingly, oscillation in the longitudinal direction of the damper device 11 is prevented while the lower transmission member 16 and the upper transmission member 17 connected to the damper device 11 are vibrated in the horizontal direction (the C direction) in the case of the generation of the earthquake and can transmit vibration energy to the damper device 11.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping device, and more particularly to a vibration damping device configured to mount a damper device for absorbing vibration energy of a structure in a wall.

[0002]

2. Description of the Related Art As a means for improving the seismic resistance of structures such as buildings and houses, a vibration damping structure has been developed in which a hydraulic damper is attached to a brace which is mounted at a diagonal position of a frame and is arranged inside a wall. Is being promoted. In this vibration damping structure, a hydraulic damper absorbs the vibration energy of an earthquake that attempts to plastically deform the frame between columns, beams, and the like, thereby damping the frame of the structure.

As such a vibration damping device, for example, there is one having a configuration disclosed in Japanese Utility Model Laid-Open Publication No. Hei 7-23108. In this publication, a hydraulic damper is mounted as a brace, the end of a cylinder of the hydraulic damper is connected to a corner of a skeleton, and the end of a piston rod connected to a piston that reciprocates in the cylinder. Are connected to other corners formed at diagonal positions of the skeleton.

When the vibration energy due to the earthquake is transmitted to the frame of the structure, stress is applied to the structure to deform the rectangular frame into a parallelogram. The vibration energy at that time is absorbed by the hydraulic damper. As a result, the structure is prevented from being deformed by the earthquake.

[0005]

In the vibration damping device constructed as described above, for example, when used in a wooden general house,
When mounting a brace with a damper that generates a large force for expansion and contraction at the corners of columns and beams, it is necessary to provide metal brace mounting members on the columns and beams where they are installed, so that carpenters and other workers can easily install them. There was a problem that it was not suitable for wooden houses.

Therefore, a vibration damping device having a vibration damping wall panel structure in which an upper panel is attached to a beam, a lower panel is attached to a foundation, and a hydraulic damper is interposed therebetween is being developed. In this vibration damping device, a hydraulic damper is mounted between an upper transmission member fixed to a beam and a lower transmission member fixed to a foundation such as a floor, and a cylinder end and a piston rod end of the hydraulic damper are connected to each other. It is connected to an upper transmission member or a lower transmission member that transmits horizontal vibration.

Further, in the above-described vibration damping device, the width of the pillar is usually 105 mm in a general wooden house or the like, and the gap of the space formed between the wall plates is at most 105 m.
m. On the other hand, the hydraulic damper incorporated in the brace damper device has a metal cylinder formed in a cylindrical shape, and has an outer diameter sized to be accommodated between the wall plates. Therefore, the hydraulic damper is held in a state where the outer periphery of the cylinder is close to the wall plate.

However, in the vibration damping device configured as described above, the hydraulic damper is separated from the wall plate via a predetermined gap, but horizontal vibration orthogonal to the damping operation direction is input. Then, the hydraulic damper swings in that direction, and the outer periphery of the cylinder comes into contact with the wall plate to generate a contact sound. In addition, in general wooden houses, etc., it is mandatory to provide bearing walls with braces on some of the walls in order to secure the strength of the building, but if windows and doors are provided in addition to the bearing walls, However, there is a problem in that the space for installing the hydraulic damper is limited, or that the windows and doors are changed to another place.

Accordingly, an object of the present invention is to provide a vibration damping device that solves the above-mentioned problems.

[0010]

In order to solve the above problems, the present invention has the following features. Claim 1
The described invention is provided in a vertical wall-shaped space formed from pillars and beams of a structure, and an upper transmission member that transmits horizontal vibration parallel to the wall-shaped space, and a base and a pillar of the structure. A lower transmission member that is provided in the formed vertical wall-shaped space and transmits horizontal vibration parallel to the wall-shaped space from the foundation, and is provided between the upper transmission member and the lower transmission member. And a damper device, one end of which is connected to the column on one side, and the other end of which is inserted into the upper transmission member or the lower transmission member, and a wall surface of the upper transmission member and the lower transmission member. And a regulating member for regulating a movement in a direction perpendicular to the moving direction.

Therefore, according to the first aspect of the present invention, one end is connected to the column on one side, and the other end is inserted into the upper transmission member or the lower transmission member, and the wall surfaces of the upper transmission member and the lower transmission member. The upper transmission member and the lower transmission member are supported so that they do not vibrate in the front-rear direction, so that horizontal vibration orthogonal to the damping operation direction of the damper device is propagated. Even so, the damper device is held so as not to swing in the direction close to the wall plate,
The contact noise due to vibration can be prevented.

[0012] The invention according to claim 2 provides a pillar of a structure,
An upper transmission member that is provided in a vertical wall-shaped space formed from beams and transmits horizontal vibration parallel to the wall-shaped space, and is provided in a vertical wall-shaped space formed from a foundation and a pillar of the structure. A lower transmission member that transmits horizontal vibrations parallel to the wall-shaped space from the foundation, and a damper device provided between the upper transmission member and the lower transmission member. A brace is inserted into the upper transmission member or the lower transmission member.

Therefore, according to the second aspect of the present invention, since the brace, which is a bearing member, is provided inside the upper transmission member or the lower transmission member, the damper device can be attached to the mounting space of the bearing wall. Thus, limited wall surfaces can be effectively used.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing an embodiment of the vibration damping device according to the present invention. FIG. 2 is II-
FIG. 2 is a cross-sectional view along the line II. As shown in FIG. 1, the vibration damping device 10 has a damper device 11 that is incorporated into a wall of, for example, a wooden general residential building to dampen vibration of a structure. The damper device 11 is configured to support a pillar 12 erected between the first floor and the second floor, a lower beam 13 suspended on the first floor, and a second floor. It is attached to a rectangular wall-shaped space 15 (indicated by a two-dot chain line in FIG. 1) formed by the upper beam 14 that is laid horizontally.

In the wall-shaped space 15, the damper device 1 is provided.
1, a lower transmission member 16 fixed to the lower beam 13 and an upper transmission member 17 fixed to the upper beam 14 are provided. It is attached so as to be interposed between them. The lower transmitting member 16 is a rectangular wooden frame 16a (FIG. 1).
Plate 1 fixed to the front and rear surfaces of the frame 16a.
6b, and a horizontal member 16c (shown by a broken line in FIG. 1) which is horizontally mounted to support the plate 16b from the inside.

Similarly to the lower transmission member 16, the upper transmission member 17 includes a rectangular wooden frame 17a (shown by a broken line in FIG. 1) and a plate 17b fixed to the front and rear surfaces of the frame 17a. And a horizontal member 17c (shown by a broken line in FIG. 1) which is horizontally mounted to support the plate 17b from the inside.
The frame 16a of the lower transmission member 16 is fixed to the lower beam 13 by a fastening member (not shown) such as a nail or a bolt. The frame 17a of the upper transmission member 17 is fixed to the upper beam 14 by a fastening member (not shown) such as a nail or a bolt. Further, since the lower transmission member 16 and the upper transmission member 17 are made of wood, they may be made by a carpenter on site, or may be made to have predetermined dimensions in a factory or the like in advance.

A wall plate (not shown) is attached before and after the lower transmission member 16 and the upper transmission member 17. The wall plate is fixed to the lower beam 13 and the upper beam 14 at a position facing the lower transmission member 16 and the upper transmission member 17 with a predetermined distance therebetween. As shown in FIG. 2, a regulating member 34 extending in the horizontal direction (C direction) is penetrated inside the upper transmission member 17. Although not shown in FIG. 2, a regulating member 33 extending in the horizontal direction (C direction) is penetrated inside the lower transmission member 16.

The regulating members 33 and 34 are provided at one end with the lower transmission member 16 and the column 1 disposed on the left side of the upper transmission member 17.
2 having a U-shaped coupling portion 33a, 34a coupled to
The other ends of the lower transmission member 16 and the U-shaped coupling portions 33b and 34 coupled to the column 12 disposed on the right side of the upper transmission member 17 are provided.
b. Then, the connecting portions 33a and 34a and the connecting portion 3
3b, 34b extending in the horizontal direction between
c, 34c are holes 16 provided in frames 16a, 17a.
d, 17d and the horizontal direction (C
Direction), and the lower transmission member 1
6. Restrict the position of the upper transmission member 17 in the front-rear direction and the vertical direction. In addition, the regulating member 34 can receive the load of the upper transmission member 17 by defining the position in the vertical direction, and can enhance the attachment of the upper transmission member 17.

The restricting members 33, 34 are formed of a metal material such as iron, and are provided with connecting portions 33a, 34a at both ends.
In addition, since the coupling portions 33b and 34b are fixed to the column 12 via the fastening members 35 and 36, the movement of the lower transmission member 16 and the upper transmission member 17 is restricted, and at the same time, it also functions as a brace for reinforcing between the columns 12. are doing. Therefore, the regulating members 33 and 34 normally penetrate the lower transmission member 16 and the upper transmission member 17 and are vertically and longitudinally (D direction).
It is held so that it does not swing.

When the lateral vibration (direction C) due to the earthquake is transmitted to the lower beam 13 and the upper beam 14, the regulating members 33 and 34 slide on the lower transmission member 16 and the upper transmission member 17, respectively. While regulating the movement of the lower transmission member 16 and the upper transmission member 17 in the up-down direction and the front-back direction. Therefore, the lower transmission member 16 and the upper transmission member 17 connected to the damper device 11 can vibrate in the lateral direction (direction C) and transmit vibration energy due to the earthquake to the damper device 11 when an earthquake occurs.

Further, in the vibration damping device 10, the damper device 1
When vibration in the horizontal direction (D direction) orthogonal to the damping operation direction (C direction) is input, the lower transmission member 16 and the upper transmission member 17 pass through the inside of the regulating members 33 and 34.
As a result, the damper device 11 is prevented from swinging in the direction D because it is held without rattling in the front-rear direction. That is, in the vibration damping device 10, the damper device 1
1 is held so as not to come into contact with a wall plate (not shown) disposed before and after the lower transmission member 16 and the upper transmission member 17 so that a contact sound between the damper device 11 and the wall plate is not generated. It is configured.

FIG. 3 is an enlarged front view showing the damper device 11. As shown in FIG. 3, the damper device 11
A pair of lower damper mounting portions 19 assembled to the upper ends of the frame 16a of the lower transmission member 16 with fastening members 18 such as nails or mounting bolts, and a fastening member 20 such as nails or mounting bolts to the frame 17a of the upper transmission member 17. The upper damper mounting portion 21 and the upper damper mounting portion 21 are mounted between the upper damper mounting portion 21 and the lower damper mounting portion 19 so as to attenuate the relative displacement between the upper damper mounting portion 21 and the lower damper mounting portion 19. It is composed of a pair of hydraulic dampers 22 and 23.

A pair of lower damper attachment portions 19 are attached to an upper end of the frame 16a of the lower transmission member 16 by attachment portions 19a.
And a damper supporting portion 19b projecting above the mounting portion 19a.
And Further, the upper damper mounting portion 21 includes a mounting portion 21a fixed to a lower end of the frame 17a of the upper transmission member 17.
And a damper support 21b projecting below the center of the mounting portion 21a extending in the C direction.

The hydraulic dampers 22 and 23 are mounted so as to attenuate vibrations in the direction C parallel to the plane of the wall-shaped space 15. That is, the hydraulic dampers 22 and 23
The cylinders 22b and 23b, in which the eye portions 22a and 23a provided at the ends are rotatably connected to the damper support portion 21b of the upper damper mounting portion 21 in the vertical direction, and the tip screw portions 22c and 23c are formed of the lower damper. It has piston rods 22 d and 23 d which penetrate through the damper support 19 b of the attachment 19 and are locked by the nut 26.

The distal ends of the piston rods 22d and 23d hold the damper supporting portions 19c and 19d via elastic rubber bushes 27 and 28, and the impact transmitted to the piston rods 22d and 23d is applied to the rubber bushes. 2
7 and 28 so as to be alleviated.
The hydraulic dampers 22, 23 are acted on by a force in the direction C parallel to the wall-shaped space 15, and the relative distance between the damper supporting portions 19 c, 19 d of the lower damper mounting portion 19 and the damper supporting portion 21 c of the upper damper mounting portion 21. Changes, the cylinder 22b,
The piston rods 22d and 23d slide with respect to 23b to generate a damping force. The eye portions 22a and 23a of the cylinders 22b and 23b are rotatably supported by bolts 29. Therefore, even if a force in the direction C parallel to the wall-shaped space 15 acts, no shearing force acts on the hydraulic dampers 22 and 23.

The vibration input to the building is damped by the damping operation of the hydraulic dampers 22 and 23. Thereby, the building is prevented from collapsing due to an earthquake or the like. Further, since the damper device 11 is separate from the lower transmission member 16 and the upper transmission member 17, the size and weight of the damper device 11 are reduced as compared with those combined with a panel. For example, one worker (carpenter) However, it is configured so that mounting work can be performed.

When an external force is input in the direction C (left-right direction) parallel to the wall-shaped space 15, the connecting portions 24, 2
With the elastic deformation of 5, the upper damper mounting portion 21 and the lower damper mounting portion 19 are relatively displaced in the C direction (left-right direction) and deformed from a rectangle to a parallelogram. This allows
The hydraulic dampers 22, 23 are provided with piston rods 22d, 23
The d slides on the cylinders 22b and 23b to generate a damping force, thereby damping the vibration of the building. Further, in the damper device 11 configured as described above, since the hydraulic dampers 22 and 23 are attached so as to extend in the C direction (the left-right direction), the lower transmission member 16 and the upper transmission member 17 , The relative displacement in the direction C is directly transmitted to obtain a good vibration damping effect.

FIG. 4 is a front view for explaining a first modification of the vibration damping device. FIG. 5 is a longitudinal sectional view taken along the line VV in FIG. 4 and 5, the same parts as those in the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted.
As shown in FIGS. 4 and 5, the vibration damping device 4 of the first modification
In FIG. 1, the upper part of both sides of the frame 16a of the lower transmission member 16 has C
Holes 16e and 16f extending in the direction are provided. Holes 17e and 17f extending in the C direction are also provided at lower portions on both sides of the frame 17a of the upper transmission member 17.

Holes 1 provided on both sides of lower transmission member 16
A pair of regulating members 42 and 43 are inserted into 6e and 16f. Also, a pair of regulating members 42 and 43 are inserted into holes 17e and 17f provided on both sides of the upper transmission member 17, respectively. One of the regulating members 42 is the lower transmission member 1.
6 and a coupling portion 42a coupled to the column 12 located on the left side of the upper transmission member 17 via a fastening member 44, and a hole 1 provided on the left side of the lower transmission member 16 and the upper transmission member 17.
6e and 17e. The other regulating member 43 includes a coupling portion 43 a coupled to the column 12 located on the right side of the lower transmission member 16 and the upper transmission member 17 via a fastening member 45, and a lower portion of the lower transmission member 16 and the upper transmission member 17. Holes 16f, 17 provided on right side
f, and a rod 43b to be inserted into f.

Therefore, in the vibration damping device 41, the regulating member 4
2, 43 are holes 16e, 17e and holes 16f, 1 from both sides.
7f and the lower transmission member 16 and the upper transmission member 1
7 is held so as not to swing in the front-rear direction (D direction). When the lateral vibration (direction C) due to the earthquake is transmitted to the lower beam 13 and the upper beam 14, the regulating members 42, 4
The third rods 42b and 43b regulate the vertical and longitudinal movements of the lower transmission member 16 and the upper transmission member 17 while sliding the lower transmission member 16 and the upper transmission member 17.

For this reason, the lower transmission member 16 and the upper transmission member 17 connected to the damper device 11
Vibration in the lateral direction (direction C) can transmit vibration energy due to the earthquake to the damper device 11. Further, in the vibration damping device 41, when vibration in the horizontal direction (D direction) orthogonal to the damping operation direction (C direction) of the damper device 11 is input, the lower transmission member 16 and the upper transmission member 17 are inserted inside. The damping device 1 is held in a state where there is no backlash in the front-rear direction by the restricted members 42 and 43 that have been set.
1 is prevented from swinging in the D direction. That is, in the vibration damping device 41, the damper device 11 is held so as not to abut against a wall plate (not shown) disposed before and after the lower transmission member 16 and the upper transmission member 17, and the damper device 11 and the wall It is configured such that no contact sound with the plate is generated.

FIG. 6 is a front view for explaining the structure of the second modification. FIG. 7 shows the lower transmission member 16 of the second modification.
FIG. 4 is a longitudinal sectional view showing the inside of an upper transmission member 17. FIG. 8 is a longitudinal sectional view taken along the line VIII-VIII in FIG. 6 to 8, the same parts as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. As shown in FIGS. 6 to 8, in the vibration damping device 51 of the second modification, the X-shaped braces 52 and 53 and the V-shaped braces 54 and 55 are provided inside the lower transmission member 16 and the upper transmission member 17. , Beams 56 and 57 extending in the horizontal direction are inserted. The left and right ends of the braces 52 to 55 and the beams 56 and 57 are fixed to the columns 12 on both sides, respectively.

In addition, spacers 61 to 66 formed so as not to interfere with the braces 52, 53 and the beam 56 are interposed between the plates 16b of the lower transmission member 16 instead of the frame 16a. Also, between the plates 17b of the upper transmission member 17,
Instead of the frame 17a, spacers 71 to 76 formed so as not to interfere with the braces 54, 55 and the beam 57 are interposed.

Then, the braces 52-55 and the beams 56,5
7 is a gap S for each of the spacers 61 to 66 and 71 to 76.
And are slidably inserted into the lower transmission member 16 and the upper transmission member 17 in the same manner as the regulating member. Accordingly, in the vibration damping device 51, the braces 52 to 55 and the beams 56, 57 as the regulating members hold the lower transmission member 16 and the upper transmission member 17 so as not to swing in the front-rear direction (D direction).

When the lateral vibration (direction C) due to the earthquake is transmitted to the lower beam 13 and the upper beam 14, the brace 5
2 to 55 and the beams 56 and 57 slide inside the lower transmission member 16 and the upper transmission member 17 while the lower transmission member 16
And the movement of the upper transmission member 17 in the up-down direction and the front-rear direction. Therefore, the lower transmission member 16 and the upper transmission member 17 connected to the damper device 11 can vibrate in the lateral direction (direction C) and transmit vibration energy due to the earthquake to the damper device 11 when an earthquake occurs.

Further, in the vibration damping device 51, the damper device 1
When vibration in the horizontal direction (D direction) orthogonal to the damping operation direction (C direction) is input, the lower transmission member 16 and the upper transmission member 17 have the braces 52 to 55 inserted therein.
And the beams 56 and 57 are held in a state in which there is no backlash in the front-rear direction, so that the damper device 11 is prevented from swinging in the D direction. That is, in the vibration damping device 51, the damper device 11 is held so as not to abut against a wall plate (not shown) disposed before and after the lower transmission member 16 and the upper transmission member 17, and the damper device 11 and the wall It is configured such that no contact sound with the plate is generated.

In the above embodiment, the hydraulic damper 2
Needless to say, both the ends of the cylinders 22b, 23b and the ends of the piston rods 22d, 23d may be eye portions. Further, in the above-described embodiment, a configuration in which the pair of hydraulic dampers 22 and 23 are arranged in a line is described as an example. However, the configuration is not limited to this, and the number of hydraulic dampers may be one, or three or more may be arranged in parallel. Needless to say, it may be arranged at

When the vibration damping device of the present invention is provided on two or more floors, the beam on the lower floor corresponds to the basis of the present invention.

[0039]

As described above, according to the first aspect of the present invention, one end is connected to one of the pillars, and the other end is inserted into the upper transmission member or the lower transmission member. Since the regulating member for regulating the movement in the direction perpendicular to the wall surface of the transmitting member is provided, the upper transmitting member and the lower transmitting member are supported so that they do not vibrate in the front-rear direction, and are supported in the horizontal direction orthogonal to the damping operation direction of the damper device. Even if the vibration is propagated, the damper device is held so as not to swing in the direction approaching the wall plate, and the contact noise due to the vibration can be prevented.

According to the second aspect of the present invention, since the brace as a bearing member is provided inside the upper transmission member or the lower transmission member, the damper device can be attached to the mounting space of the bearing wall. The limited wall surface can be used effectively.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a vibration damping device according to the present invention.

FIG. 2 is a transverse sectional view taken along the line II-II in FIG.

FIG. 3 is an enlarged front view of the damper device 11;

FIG. 4 is a front view for explaining a first modification of the vibration damping device.

FIG. 5 is a longitudinal sectional view taken along line VV in FIG. 4;

FIG. 6 is a front view for explaining a configuration of a second modification.

FIG. 7 is a longitudinal sectional view showing the inside of a lower transmission member 16 and an upper transmission member 17 of a second modification.

8 is a longitudinal sectional view taken along line VIII-VIII in FIG.

[Explanation of symbols]

10, 41, 51 11 Damper device 12 Column 13 Lower beam 14 Upper beam 15 Wall-shaped space 16 Lower transmission member 17 Upper transmission member 19 Lower damper mounting portion 21 Upper damper mounting portion 22, 23 Hydraulic damper 33, 34, 42, 43 Control members 33a, 34a, 33b, 34b, 42a, 43a Joint portions 33c, 34c, 42b, 43b Rods 52 to 55 Brace 56, 57 Beams 61 to 66, 71 to 76 Spacers

Continued on the front page (72) Inventor Ryo Matsuno 1116 Koizono, Ayase-shi, Kanagawa Prefecture Tokiko Co., Ltd. Sagami Plant (72) Inventor Yuki Takagi 1116 Koizono, Ayase-shi, Kanagawa Tokiko Co., Ltd. Sagami Plant, Co., Ltd. (72) Inventor Yukio Matsumoto 1116 Koizono, Ayase-shi, Kanagawa Tokiko Co., Ltd. Sagami Plant (72) Inventor Yasuo Inose 1116 Koizono, Ayase-shi, Kanagawa Tokiko Co., Ltd.

Claims (2)

[Claims] 1. An upper transmission member provided in a vertical wall-shaped space formed by columns and beams of a structure and transmitting horizontal vibrations parallel to the wall-shaped space; A lower transmission member that is provided in a vertical wall-shaped space formed and that transmits horizontal vibration from the foundation in parallel with the wall-shaped space; and a lower transmission member that is provided between the upper transmission member and the lower transmission member. A damper device, one end of which is connected to the column on one side, and the other end of which is inserted into the upper transmission member or the lower transmission member, and a wall surface of the upper transmission member and the lower transmission member. A damping device comprising a regulating member for regulating a movement in a direction perpendicular to the vibration control device. 2. An upper transmission member which is provided in a vertical wall-shaped space formed by columns and beams of a structure and transmits horizontal vibrations parallel to the wall-shaped space; A lower transmission member that is provided in a vertical wall-shaped space formed and that transmits horizontal vibration from the foundation in parallel with the wall-shaped space; and a lower transmission member that is provided between the upper transmission member and the lower transmission member. A damping device having a damper device, wherein a brace is inserted into the upper transmission member or the lower transmission member.